CN113955074B - Quick-release lock for installing equipment in cabin - Google Patents
Quick-release lock for installing equipment in cabin Download PDFInfo
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- CN113955074B CN113955074B CN202111469878.6A CN202111469878A CN113955074B CN 113955074 B CN113955074 B CN 113955074B CN 202111469878 A CN202111469878 A CN 202111469878A CN 113955074 B CN113955074 B CN 113955074B
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- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 27
- 238000009966 trimming Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000004584 weight gain Effects 0.000 description 3
- 235000019786 weight gain Nutrition 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/18—Floors
- B64C1/20—Floors specially adapted for freight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention provides a quick release lock for installing equipment in a cabin, which comprises the following components: the quick-release lock comprises a quick-release lock assembly and a lock seat, wherein two brackets in the quick-release lock assembly form an installation groove, a lock cylinder mechanism is arranged in the quick-release lock assembly, and the lock cylinder mechanism can slide in the installation groove; in the lock core mechanism, a double-end stop pin is sleeved on a connecting plate of a lock block through a downward opening of a pin shaft part of the double-end stop pin, a locking surface is formed by the lower end surfaces of the double-end stop pin and the connecting plate, a pin shaft penetrates through a first shaft hole on the pin shaft part, the front and rear positions of the double-end stop pin and the lock block are fixed, and the double-end stop pin can slide up and down along the axial direction of a spring; the lock core mechanism locks with its locking surface pass upper and lower two-layer combination hole of lock seat, limit the upper and lower position of lock core mechanism through the flange, and after sliding to one side, inject its locking surface in the slot hole of lower floor. The technical scheme provided by the invention solves the problems that the existing installation mode of the installation equipment on the aircraft cargo compartment floor is difficult to consider the convenience of installation, disassembly and maintenance and the performance of less weight increment of the air conditioner.
Description
Technical Field
The invention relates to the field of aviation technology, but not limited to a quick release lock for installing equipment in a cabin.
Background
At present, most of devices installed on the floor of an aircraft cargo hold are fastened and connected with the floor structure of the aircraft or are connected with the ground rail of the aircraft in a quick connection mode through bolts and the like.
The fastening connection mode is difficult to install, disassemble and maintain, and the quick connection with the ground rail of the aircraft can cause great weight increase of the aircraft. Obviously, the mode of installing equipment on the floor of the cargo compartment of the aircraft is difficult to achieve the performance of small weight gain of the air conditioner and the convenience of installation, disassembly and maintenance.
Disclosure of Invention
The purpose of the invention is that: the embodiment of the invention provides a quick-release lock for installing equipment in a cabin, which aims to solve the problems that the existing installation mode of the equipment on the floor of an aircraft cargo cabin is difficult to consider the convenience of installation, disassembly and maintenance and the small weight gain performance of an air conditioner.
The technical scheme of the invention is as follows: the embodiment of the invention provides a quick release lock for installing equipment in a cabin, which comprises the following steps: the quick-release lock assembly 1 and the lock seat 2 which is connected with the quick-release lock assembly 1 in a matching way; the quick release lock assembly 1 comprises: the lock cylinder mechanism 3, a first bracket 4 and a second bracket 5 which are arranged on the front end face and the rear end face of the lock cylinder mechanism 3, and a connecting component which is matched with the first bracket and the second bracket for use;
the lock cylinder mechanism 3 comprises a double-head stop pin 9, a lock block 10, 2 springs 11 and 2 pin shafts 12; the double-end stop pin 9 is provided with 2 pin shaft parts 9b which are symmetrically arranged and downwards opened, the lock block 10 is provided with a middle connecting plate 10e and two side supporting parts, 2 springs 11 which are symmetrically arranged and are arranged in parallel with the two side supporting parts are embedded in the middle connecting plate 10e, the lower end surface of the lock block 10 is in a step structure, the first lower end surface of one side supporting part and the part connecting plate connected with the first lower end surface of the other side supporting part are higher than the second lower end surface of the other side supporting part and the part connecting plate connected with the second lower end surface of the other side supporting part, and the front end surface and the rear end surface of each side supporting part are symmetrically provided with sliding blocks;
the double-end stop pin 9 is sleeved on the middle connecting plate 10e through downward openings of the two pin shaft parts 9b, the lower end face of the pin shaft part 9b is flush with the first lower end face of the locking block 10, so that a locking surface is formed through the double-end stop pin 9 and the lower end face of the locking block 10, the double-end stop pin 9 and the locking block 10 are fixed through the first shaft holes 9c which are symmetrically arranged on the 2 pin shaft parts 9b in a one-to-one correspondence manner through the 2 pin shafts 12, the front and rear positions of the double-end stop pin 9 and the locking block 10 are fixed, and the double-end stop pin 9 can slide up and down along the axial direction of the spring 11;
the two sides of the first bracket 4 and the second bracket 5 are fixedly connected through a connecting component, an installation slot is formed in the middle of the installation slot, rectangular holes are formed in corresponding positions of front and rear end faces of the installation slot, and front and rear sliding blocks which are used for being respectively embedded into the rectangular holes of the front and rear end faces of the installation slot through front and rear supporting parts of two sides of the locking block 10 are arranged, so that the lock cylinder mechanism 3 is installed in the installation slots of the first bracket 4 and the second bracket 5, and the lock cylinder mechanism 3 slides in the installation slot through sliding fit of the front and rear sliding blocks and the front and rear rectangular holes;
the lock seat 2 comprises an upper layer of combined holes and a lower layer of combined holes, the serial hole shape of the upper layer of combined holes is the same as the shape of the lower end face of the assembly structure of the double-end stop pin 9 and the lock block 10, the lower layer of long holes 2f are positioned on the lower surface of the upper layer of combined holes, the whole appearance is a waist-shaped long hole formed by the maximum diameter of the serial holes in the upper layer of combined holes, a flange 2e is formed on the upper surface of the lock seat 2 after the upper layer of combined holes and the lower layer of long holes 2f are combined, the lock cylinder mechanism 3 for completing assembly passes through the upper layer of combined holes and is placed in the lower layer of long holes 2f, the upper and lower positions of the lock cylinder mechanism 3 are limited by the flange 2e, and the locking surface of the lock cylinder mechanism 3 is limited in the lower layer of long holes 2f by sliding a sliding block of the lock cylinder mechanism 3 to the side of the second limiting member 10 j.
Optionally, in the quick release lock for installing equipment in a cabin as described above, the double-ended stop pin 9 specifically includes: a supporting portion 9a provided at the tip end and 2 columnar pin shaft portions 9b provided at the lower end face of the supporting portion 9 a;
wherein the supporting part 9a is provided in a square cover plate structure; the sections of the 2 pin shaft parts 9b parallel to the supporting parts 9a are all round, the top ends of the 2 pin shaft parts 9b are connected into an integral structure through the supporting parts 9a, the downward openings of the 2 pin shaft parts 9b divide the pin shaft parts into symmetrical structures along the opening surfaces, and the openings of the 2 pin shaft parts 9b are communicated to form square notches 9e; the whole double-head stop pin 9 is of a symmetrical structure along the transverse central surface and the longitudinal central surface of the square groove square notch 9e;
the central symmetry positions of the columnar surfaces of the 2 pin shaft parts 9b are respectively provided with 1 first shaft hole 9c, the diameters of the 2 shaft holes 9c and the sizes of the first shaft holes 9c from the lower end surface of the pin shaft part 9b on the same side are the same, square grooves 9d are formed between the columnar surfaces of the 2 pin shaft parts 9b, and the depth of the square grooves 9d is larger than the distance between the first shaft holes 9c and the lower end surface of the pin shaft part 9b.
Optionally, in the quick release lock for installing equipment in a cabin as described above, the locking block 10 specifically includes: the middle connecting plate 10e, and a first supporting part 10a and a second supporting part 10b fixedly connected to two sides of the middle connecting plate 10e, wherein the front and rear end surfaces of the first supporting part 10a are symmetrically provided with a first sliding block 10c, and the front and rear end surfaces of the second supporting part 10b are symmetrically provided with a second sliding block 10d;
the first supporting part 10a and a part of the connecting plate connected with the first supporting part form the first lower end face, the second supporting part 10b and a part of the connecting plate connected with the second supporting part form the second lower end face, one end, close to the first lower end face, of the second lower end face is provided with a first limiting piece 10h, the second lower end face is positioned on a second limiting piece 10j arranged at the bottom end of the second supporting part 10b, and the first limiting piece 10h is flush with the lower end face of the second limiting piece 10 j;
the thickness of the middle connecting plate 10e is in clearance fit with the square notch 9e of the double-end stop pin 9, the double-end stop pin 9 is specifically sleeved on the middle connecting plate 10e through the square notches 9e of the two pin shaft parts 9b, and the lower end face of the pin shaft parts 9b is flush with the lower end face of the first limiting piece 10h so as to form a locking face through the double-end stop pin 9 and the lower end face of the locking piece 10.
Alternatively, in the quick release lock for installing equipment in a cabin as described above, the lock block 10 is constructed in such a manner that,
the first stopper 10h is provided in a round shape with front and rear symmetrical trimming, the second stopper 10j is provided in a round shape with circumferential trimming along the bottom of the second supporting portion 10b, and the center distance and the round diameter between the first stopper 10h and the second stopper 10j are the same as those between the 2 pin shaft portions 9b of the double-ended stopper pin 9.
Alternatively, in a quick release lock for installing equipment in a cabin as described above,
two sides of the middle part of the middle connecting plate 10e are respectively provided with a group of communicated rectangular grooves 10f and second shaft holes 10g; the rectangular groove 10f is adapted in size to the dimensions of the embedded spring 11 in the free state; the second shaft holes 10g are consistent in size and spacing with the first shaft holes 9c on the double-head stop pin 9 and are in clearance fit with the pin shaft 12
The spring 11 is assembled in a rectangular groove 10f of the locking block 10, square notch 9e of the double-end stop pin 9 is nested on the front end face and the rear end face of a middle connecting plate 10e of the locking block 10, so that a first shaft hole 9c of the double-end stop pin 9 is coaxial with a second shaft hole 10g of the locking block 10, a pin shaft 12 sequentially penetrates through the first shaft hole 9 c-the second shaft hole 10 g-the first shaft hole 9c, two ends of the pin shaft 12 are leveled, the double-end stop pin 9 is guaranteed to flexibly slide up and down after assembly, the upper surface of the double-end stop pin 9 is guaranteed to be level with the upper surface of the locking block 10 after the double-end stop pin 9 falls freely, and the lower end face is level with the first lower end face of the locking block 10, so that the lock core mechanism 3 is formed.
Alternatively, in a quick release lock for installing equipment in a cabin as described above,
the first bracket 4 comprises a first connecting part 4a positioned at two sides and a first bracket part 4c positioned in the middle, the first connecting part 4a and the first bracket part 4c are of rectangular structures, the first connecting part 4a is provided with a first bolt hole 4b, the thickness dimension of the first bracket part 4c is larger than that of the first connecting part 4a, the middle part of the first bracket part 4c is transversely provided with a first rectangular hole 4d, and the height dimension of the first rectangular hole 4d is in clearance fit with the first slide block 10c and the second slide block 10d positioned at one side; the length dimension of the first rectangular hole 4d is larger than the distance between the outer end face of the first slider 10c and the outer end face of the second slider 10d + the center distance between the 2 pin shaft portions 9b in the double-headed stopper pin 9.
Alternatively, in a quick release lock for installing equipment in a cabin as described above,
the second bracket 5 comprises 2 second connecting parts 5a positioned at two sides and 1 second bracket part 5c positioned in the middle, the second connecting parts 5a are of U-shaped groove structures, the second connecting parts 5a at two sides and the second bracket part 5c form a concave installation space, the butt joint part of the second connecting parts 5a and the first connecting parts 4a is provided with second bolt holes 5b, and the size and the position size of the second bolt holes 5b are consistent with those of the first bolt holes 4b of the first bracket 4, so that the upper end face, the lower end face, the front end face and the rear end face of the first bracket 4 and the second bracket 5 are flush after assembly; the bottom of the U-shaped groove is provided with a plurality of third bolt holes 5d for connecting with equipment to be installed;
the second bracket part 5c is of a rectangular structure, the middle part of the second bracket part is provided with 1 second rectangular hole 5e, and the sizes of the second bracket part 5c and the second rectangular hole 5e are the same as those of the first bracket part 4c and the first rectangular hole 4d of the first bracket 4.
Optionally, in the quick release lock for installing an in-cabin device as described above, the connection assembly for connecting the first bracket 4 and the second bracket 5 includes: a bolt 6, a washer 7 and a nut 8;
the first slide block 10c and the second slide block 10d which are positioned at the front end of the lock cylinder mechanism 3 are assembled into the first rectangular hole 4d of the first bracket 4, the first slide block 10c and the second slide block 10d which are positioned at the rear end are assembled into the second rectangular hole 5e of the second bracket 5, and the first bracket 4 and the second bracket 5 are connected through a bolt 6, a gasket 7 and a nut 8;
the first sliding block 10c and the second sliding block 10d are in clearance fit with the assembled first rectangular hole 4d and second rectangular hole 5e, and the lubricant is coated in the groove to ensure that the lock cylinder mechanism 3 can slide flexibly, and the assembling structure of the first bracket 4, the second bracket 5 and the lock cylinder mechanism 3 forms the quick-release lock assembly 1.
Optionally, in the quick-release lock for installing equipment in a cabin as described above, the lock base 2 includes 2 lock base connecting portions 2a located at two sides and a base body portion 2b located at the middle, and a plurality of holes are formed in the 2 lock base connecting portions 2a for fixedly connecting the lock base 2 with the aircraft body; the seat body part 2b is connected with 2 lock seat connecting parts 2a positioned at two sides to form an integrated structure, and the seat body part 2b is arranged into an upper layer and lower layer combined hole structure;
the upper layer combination hole comprises 2 adjacent large round blind holes 2c and 1 small round blind hole 2d positioned at one side, the size of the large round blind holes 2c is slightly larger than the outer diameter of the pin shaft part 9b of the double-head stop pin 9, the center distance of the 2 large round blind holes 2c is the same as the center distance size of the 2 pin shaft parts 9b of the double-head stop pin 9, and the center distance size of the 2 large round blind holes is also the same as the center distance size of the first stop piece 10h and the second stop piece 10j of the locking block 10; the diameter of the small round blind hole 2d is slightly larger than the thickness of the second supporting part 10b of the locking block 10, and the center distance between the small round blind hole 2d and the adjacent large round blind hole 2c is 1/2 of the center distance between the 2 large round blind holes;
the lower layer long hole 2f is arranged at the bottoms of the large round blind hole 2c and the small round blind hole 2d in a combined way, one circular arc at one end of the lower layer long hole 2f is concentric with the large round blind hole 2c, the circular arc at the other end of the lower layer long hole is concentric with the small round blind hole 2d, and the diameter of the lower layer long hole is the same as that of the large round blind hole 2c, so that a flange 2e is formed on the upper surface of the lock seat 2; the height dimension of the lower long hole 2f is slightly larger than the thickness dimension of the first stopper 10h and the second stopper 10j of the lock block 10, so as to ensure that the lock block 10 can slide in the lower long hole 2 f.
The invention has the beneficial effects that: the invention provides a quick-release lock for installing equipment in a cabin, which is mainly formed by combining a lock cylinder mechanism, a lock seat, a first bracket, a second bracket, a double-end stop pin, a lock block, a spring, a pin shaft, a fastener and the like. When the quick-release lock works, the double-head stop pin is lifted, the first limiting piece and the second limiting piece of the lock block are placed into the circular blind hole of the lock seat and slide to one side of the second limiting piece, and the double-head stop pin is loosened and falls into the circular blind hole of the lock seat; and when the lock block is concentric with the round blind hole, the quick-release lock assembly is taken out from the lock seat. The quick-release lock for installing the equipment in the cargo compartment provided by the embodiment of the invention realizes quick assembly and quick release during installation of the equipment in the cargo compartment, overcomes the defects of poor bearing capacity, difficult maintenance, excessive attached weight and the like of the traditional quick-release lock, and provides a convenient, quick, economical and reliable quick-release lock for the equipment in the cargo compartment.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and do not limit the invention.
FIG. 1 is a schematic view of a quick release lock for installing equipment in a cabin according to an embodiment of the present invention;
FIG. 2 is a schematic view of a quick release lock assembly in a quick release lock for installing equipment in a cabin according to the embodiment of FIG. 1;
FIG. 3 is a schematic view of a lock cylinder mechanism in the quick release lock assembly according to the embodiment of FIG. 2;
FIG. 4 is a schematic view of a dual head stop pin of the lock cylinder mechanism provided by the embodiment of FIG. 3 of the present invention;
FIG. 5 is a schematic view of a lock block in the lock cylinder mechanism according to the embodiment of FIG. 3;
FIG. 6 is a schematic view of a lock base in a quick release lock for installing equipment in a cabin according to the embodiment of the present invention;
FIG. 7 is a schematic view of the construction of the first and second brackets of the quick release lock for installing equipment in a cabin according to the embodiment of the present invention;
FIG. 8 is a schematic view illustrating the structure of a first bracket in the quick release lock assembly according to the embodiment of FIG. 2;
FIG. 9 is a schematic view illustrating the construction of a second bracket in the quick release lock assembly according to the embodiment of FIG. 2;
fig. 10 is a schematic diagram of an application scenario of a quick release lock for installing equipment in a cabin according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.
For the existing installation mode of the installation equipment on the aircraft cargo compartment floor, which is proposed in the background technology, the convenience of installation, disassembly and maintenance and the problem of small weight gain performance of the air conditioner are difficult to be considered.
The embodiment of the invention provides a quick-release lock for installing equipment in a cabin, which can be used for quick-assembling and quick-releasing the equipment in a cargo cabin of an aircraft.
The following specific embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
Fig. 1 is a schematic structural view of a quick release lock for installing equipment in a cabin according to an embodiment of the present invention. The integral structure of the quick release lock for installing the equipment in the cabin provided by the embodiment of the invention comprises two parts: the quick-release lock assembly 1 and the lock seat 2 which is connected with the quick-release lock assembly 1 in a matching way.
Fig. 2 is a schematic structural diagram of a quick release lock assembly in a quick release lock for installing equipment in a cabin according to the embodiment of the present invention, and as shown in fig. 2, the quick release lock assembly 1 includes: the lock core mechanism 3, the first support 4 and the second support 5 that set up in lock core mechanism 3 front and back terminal surface to and supporting coupling assembling that uses.
Fig. 3 is a schematic structural view of a lock cylinder mechanism in a quick release lock assembly according to the embodiment of the present invention shown in fig. 2, fig. 4 is a schematic structural view of a double-ended stop pin in the lock cylinder mechanism according to the embodiment of fig. 3, and fig. 5 is a schematic structural view of a lock block in the lock cylinder mechanism according to the embodiment of fig. 3. In fig. 4 and 5, a plurality of views of the double-headed stopper pin 9 and the lock block 10 are included, respectively.
Referring to fig. 3 to 5, the lock cylinder mechanism 3 includes a double-headed stopper pin 9, a lock block 10, 2 springs 11, and 2 pins 12. Wherein the double-ended stop pin 9 is provided with 2 pin shaft parts 9b which are symmetrically arranged and are downwards opened; the lock block 10 is provided with a middle connecting plate 10e and two side supporting parts, 2 springs 11 which are symmetrically arranged and are arranged in parallel with the two side supporting parts are embedded in the middle connecting plate 10e, the lower end face of the lock block 10 is of a step structure, the first lower end face of one side supporting part and the part connecting plate connected with the one side supporting part is higher than the second lower end face of the other side supporting part and the part connecting plate connected with the other side supporting part, and sliding blocks are symmetrically arranged on the front end face and the rear end face of each side supporting part.
In the embodiment of the invention, the mounting structure of the lock cylinder mechanism 3 is as follows: the double-ended stop pins 9 are sleeved on the middle connecting plate 10e through downward openings of the two pin shaft portions 9b, the lower end faces of the pin shaft portions 9b are flush with the first lower end faces of the locking blocks 10, so that locking faces are formed through the double-ended stop pins 9 and the lower end faces of the locking blocks 10, the first shaft holes 9c which are symmetrically arranged through the 2 pin shaft portions 9b in a one-to-one correspondence mode are used for fixing the front and rear positions of the double-ended stop pins 9 and the locking blocks 10, and the double-ended stop pins 9 can slide up and down along the axial direction of the springs 11.
Referring to fig. 1 and 2, two sides of a first bracket 4 and a second bracket 5 in the embodiment of the invention are fixedly connected through a connecting component, an installation slot is formed in the middle, rectangular holes are formed at corresponding positions of front and rear end surfaces of the installation slot, and front and rear sliding blocks arranged front and rear of two side supporting parts of a locking block 10 are respectively embedded into the rectangular holes of the front and rear end surfaces of the installation slot, so that a lock cylinder mechanism 3 is installed in the installation slots of the first bracket 4 and the second bracket 5, and the lock cylinder mechanism 3 slides in the installation slot through sliding fit of the front and rear sliding blocks and the front and rear rectangular holes.
Fig. 6 is a schematic structural view of a lock base in a quick release lock for installing equipment in a cabin according to the embodiment of the present invention, and fig. 7 is a schematic structural view of a first bracket and a second bracket removed by the quick release lock for installing equipment in a cabin according to the embodiment of the present invention. Referring to fig. 1, 6 and 7, the lock base 2 in the embodiment of the present invention includes an upper layer of combined holes, the shape of the serial holes of the upper layer of combined holes is the same as the shape of the lower end face of the assembly structure of the double-ended stopper pin 9 and the lock block 10, the lower layer of long holes 2f are located on the lower surface of the upper layer of combined holes, the overall shape is a kidney-shaped elongated hole formed with the largest diameter of the serial holes in the upper layer of combined holes, and after the upper layer of combined holes are combined with the lower layer of long holes 2f, a flange 2e is formed on the upper surface of the lock base 2, the lock cylinder mechanism 3 for completing the assembly is placed in the lower layer of long holes 2f with its locking surface passing through the upper layer of combined holes, the upper and lower positions of the lock cylinder mechanism 3 are restricted by the flange 2e, and the locking surface is restricted in the lower layer of the long holes 2f by sliding the slider of the lock cylinder mechanism 3 to the second stopper 10j side.
In one implementation of the embodiment of the present invention, as shown in fig. 4, the double-ended stop pin 9 specifically includes: a supporting portion 9a provided at the tip end, and 2 columnar pin portions 9b provided at the lower end face of the supporting portion 9 a.
In the structure of the double-headed stopper pin 9 shown in fig. 4, the supporting portion 9a is provided in a square cover plate structure; the sections of the 2 pin shaft parts 9b parallel to the supporting part 9a are all round, the top ends of the 2 pin shaft parts 9b are connected into an integral structure through the supporting part 9a, the downward openings of the 2 pin shaft parts 9b divide the pin shaft parts into symmetrical structures along the opening surfaces, the openings of the 2 pin shaft parts 9b are communicated to form square notches 9e, and the upper end surfaces of the square notches 9e are level with the lower end surfaces of the supporting part 9 a; the whole double-head stop pin 9 is of a symmetrical structure along the transverse central plane and the longitudinal central plane of the square groove square notch 9 e.
In the implementation manner, 1 first shaft hole 9c is respectively arranged at the central symmetry position of the columnar surfaces of the 2 pin shaft parts 9b, the diameters of the 2 shaft holes 9c and the sizes of the first shaft holes 9c from the lower end surface of the pin shaft part 9b on the same side are the same, square grooves 9d are formed between the columnar surfaces of the 2 pin shaft parts 9b, and the depth of each square groove 9d is larger than the distance between the first shaft hole 9c and the lower end surface of the pin shaft part 9b.
In one implementation of the embodiment of the present invention, as shown in fig. 5, the lock block 10 specifically includes: the middle connecting plate 10e and the first supporting part 10a and the second supporting part 10b fixedly connected to two sides of the middle connecting plate 10e, wherein the front end face and the rear end face of the first supporting part 10a are symmetrically provided with the first sliding blocks 10c, and the front end face and the rear end face of the second supporting part 10b are symmetrically provided with the second sliding blocks 10d.
In this implementation manner, the first supporting portion 10a and the part of the connecting plate connected thereto form a first lower end face, the second supporting portion 10b and the part of the connecting plate connected thereto form a second lower end face, one end of the second lower end face, which is close to the first lower end face, is provided with a first stopper 10h, the second lower end face is located on a second stopper 10j provided at the bottom end of the second supporting portion 10b, and the first stopper 10h is flush with the lower end face of the second stopper 10 j.
Referring to fig. 3 to 5, the thickness of the middle connecting plate 10e is in clearance fit with the square notch 9e of the double-ended stopper pin 9, the double-ended stopper pin 9 is specifically sleeved on the middle connecting plate 10e through the square notches 9e of the two pin shaft portions 9b, and the lower end face of the pin shaft portion 9b is flush with the lower end face of the first stopper 10h to form a locking face through the double-ended stopper pin 9 and the lower end face of the locking piece 10.
In the structure of the lock block 10 shown in fig. 5, the first stopper 10h is provided in a round shape with front and rear symmetrically cut edges, the second stopper 10j is provided in a round shape with circumferential cut edges along the bottom of the second supporting portion 10b, and the center distance and the round diameter between the first stopper 10h and the second stopper 10j are the same as those between the 2 pin shaft portions 9b of the double-headed stopper pin 9.
As shown in fig. 5, two sides of the middle part of the middle connecting plate 10e are respectively provided with a group of rectangular grooves 10f and second shaft holes 10g which are communicated with each other; the rectangular groove 10f is adapted in size to the dimensions of the embedded spring 11 in the free state; the second shaft holes 10g are identical in size and spacing to the first shaft holes 9c on the double-ended stop pin 9 and are in clearance fit with the pin shafts 12.
In the embodiment of the invention, the spring 11 is assembled in the rectangular groove 10f of the locking block 10, the square notch 9e of the double-ended stop pin 9 is nested on the front end face and the rear end face of the middle connecting plate 10e of the locking block 10, so that the first shaft hole 9c of the double-ended stop pin 9 is coaxial with the second shaft hole 10g of the locking block 10, the pin shaft 12 sequentially passes through the first shaft hole 9c, the second shaft hole 10g and the first shaft hole 9c, the two ends of the pin shaft 12 are leveled, the double-ended stop pin 9 can slide flexibly up and down after assembly, the upper surface of the double-ended stop pin 9 is enabled to be level with the upper surface of the locking block 10 after free falling, and the lower end face is level with the first lower end face of the locking block 10, so that the lock core mechanism 3 is formed.
In one implementation manner of the embodiment of the present invention, as shown in fig. 8, a schematic structural diagram of a first bracket in a quick-release lock assembly provided in the embodiment of fig. 2 of the present invention is shown, where a first bracket 4 in the embodiment of the present invention includes: the first connecting parts 4a positioned at two sides and the first bracket part 4c positioned in the middle are of rectangular structures, the first connecting parts 4a and the first bracket part 4c are provided with first bolt holes 4b, the thickness dimension of the first bracket part 4c is larger than that of the first connecting parts 4a, the middle part of the first bracket part 4c is transversely provided with a first rectangular hole 4d, and the height dimension of the first rectangular hole 4d is in clearance fit with the first sliding block 10c and the second sliding block 10d positioned at one side; the length dimension of the first rectangular hole 4d is larger than the distance between the outer end face of the first slider 10c and the outer end face of the second slider 10d + the center distance between the 2 pin shaft portions 9b in the double-headed stopper pin 9.
In one implementation manner of the embodiment of the present invention, as shown in fig. 9, a schematic structural diagram of a second bracket in a quick-release lock assembly provided in the embodiment of fig. 2 of the present invention is shown, where the second bracket 5 in the embodiment of the present invention includes: the two second connecting parts 5a positioned at two sides and the 1 second bracket part 5c positioned in the middle are arranged, the second connecting parts 5a are of U-shaped groove structures, the second connecting parts 5a at two sides and the second bracket part 5c form a concave installation space, a second bolt hole 5b is arranged at the butt joint part of the second connecting parts 5a and the first connecting parts 4a, the size and the position size of the second bolt hole 5b are consistent with those of the first bolt hole 4b of the first bracket 4, and the upper end face, the lower end face, the front end face and the rear end face of the first bracket 4 and the second bracket 5 are flush after assembly; the bottom of the U-shaped groove is provided with a plurality of third bolt holes 5d for connecting with equipment to be installed.
In this implementation manner, the second bracket portion 5c has a rectangular structure, and has 1 second rectangular hole 5e in the middle, and the dimensions of the second bracket portion 5c and the second rectangular hole 5e are the same as those of the first bracket portion 4c and the first rectangular hole 4d of the first bracket 4.
As shown in fig. 2, the connection assembly for connecting the first bracket 4 and the second bracket 5 in the embodiment of the present invention includes: a bolt 6, a washer 7 and a nut 8.
In the embodiment of the invention, the assembling structure of the quick release lock assembly 1 is as follows: the first slider 10c and the second slider 10d positioned at the front end of the lock cylinder mechanism 3 are assembled into the first rectangular hole 4d of the first bracket 4, the first slider 10c and the second slider 10d at the rear end are assembled into the second rectangular hole 5e of the second bracket 5, and the first bracket 4 and the second bracket 5 are connected through the bolt 6, the washer 7 and the nut 8.
In addition, the first slider 10c and the second slider 10d are in clearance fit with the assembled first rectangular hole 4d and second rectangular hole 5e, and the lubricant is coated in the groove, so that the lock cylinder mechanism 3 can slide flexibly, and the assembling structure of the first bracket 4, the second bracket 5 and the lock cylinder mechanism 3 forms the quick-release lock assembly 1.
In one implementation manner of the embodiment of the present invention, as shown in fig. 6, the lock base 2 includes 2 lock base connection portions 2a located at two sides and a base body portion 2b located in the middle, and a plurality of holes are provided on the 2 lock base connection portions 2a for fixedly connecting the lock base 2 with an aircraft body; the seat body 2b and the 2 lock seat connecting parts 2a positioned on two sides are connected to form an integrated structure, and the seat body 2b is arranged into an upper layer and lower layer combined hole structure.
As shown in fig. 6, in the specific structure of the lock base 2, the upper layer assembly hole includes 2 adjacent large round blind holes 2c and 1 small round blind hole 2d located at one side, the size of the large round blind holes 2c is slightly larger than the outer diameter of the pin shaft portion 9b of the double-head stop pin 9, the center distance of the 2 large round blind holes 2c is the same as the center distance size of the 2 pin shaft portions 9b of the double-head stop pin 9, and the center distance size of the 2 large round blind holes is also the same as the center distance size of the first stop member 10h and the second stop member 10j of the lock block 10; the diameter of the small round blind hole 2d is slightly larger than the thickness of the second supporting part 10b of the locking piece 10, and the center distance between the small round blind hole 2d and the adjacent large round blind hole 2c is 1/2 of the center distance between the 2 large round blind holes.
In this embodiment, the lower layer long hole 2f is arranged at the bottoms of the large round blind hole 2c and the small round blind hole 2d in a combined manner, one circular arc of one end of the lower layer long hole 2f is concentric with the large round blind hole 2c, the circular arc of the other end is concentric with the small round blind hole 2d, and the diameter is the same as that of the large round blind hole 2c, so that a flange 2e is formed on the upper surface of the lock seat 2; the height dimension of the lower long hole 2f is slightly larger than the thickness dimension of the first stopper 10h and the second stopper 10j of the lock block 10, so as to ensure that the lock block 10 can slide in the lower long hole 2 f.
According to the quick release lock for installing the equipment in the cabin, provided by the embodiment of the invention, the first limiting piece 10h and the second limiting piece 10j of the locking piece 10 can be limited to move upwards through the flange 2e formed on the upper surface of the lock seat 2; the 2 pin shaft parts 9b of the double-head stop pin 9 can be limited to move forwards and backwards through the 2 large round blind holes 2c of the lock seat 2; the up-and-down movement of the double-ended stopper pin 9 is restricted by the spring 11, thereby achieving locking.
The quick-release lock for installing the equipment in the cabin is mainly formed by combining a lock cylinder mechanism, a lock seat, a first bracket, a second bracket, a double-end stop pin, a lock block, a spring, a pin shaft, a fastener and the like, is locked by utilizing the principle that the lock block stop piece is matched with the flange of the groove of the lock seat and the double-end stop pin is matched with a round hole, and is limited by adopting the spring, so that the quick-release lock is safe, reliable, convenient and quick and does not bring excessive additional weight to an airplane. When the quick-release lock works, the double-head stop pin is lifted, the first limiting piece and the second limiting piece of the lock block are placed into the circular blind hole of the lock seat and slide to one side of the second limiting piece, and the double-head stop pin is loosened and falls into the circular blind hole of the lock seat; and when the lock block is concentric with the round blind hole, the quick-release lock assembly is taken out from the lock seat. The quick-release lock for installing the equipment in the cargo compartment provided by the embodiment of the invention realizes quick assembly and quick release during installation of the equipment in the cargo compartment, overcomes the defects of poor bearing capacity, difficult maintenance, excessive attached weight and the like of the traditional quick-release lock, and provides a convenient, quick, economical and reliable quick-release lock for the equipment in the cargo compartment.
Fig. 10 is a schematic diagram of an application scenario of a quick release lock for installing equipment in a cabin according to an embodiment of the present invention.
The quick release lock assembly 1 is fastened to the mounting bracket of the equipment to be installed by means of a countersunk fastening standard 15 and the lock base 2 is connected to the aircraft floor 14 by means of a countersunk fastening standard 16.
When the locking is ready, the locking block 10 is slid to one end of the rectangular grooves of the first bracket 4 and the second bracket 5, such as the left end in the figure, after the double-end stop pin 9 is lifted upwards, the first limit piece 10h and the second limit piece 10j of the locking block 10 fall into the 2 large round blind holes 2c of the lock seat 2, the locking block 10 is slid to the other end of the rectangular groove, such as the right end in the figure, and the double-end stop pin 9 falls into the 2 large round blind holes 2c of the lock seat 2, so that the locking function is realized.
When the quick release lock is ready to be unlocked, the double-head stop pin 9 is lifted upwards, the lock block 10 is slid towards one end (the left end in the figure) of the rectangular groove to ensure that the first stop member 10h and the second stop member 10j are respectively concentric with the 2 large round blind holes 2c, thereby the quick release lock assembly 1 can be taken out from the lock seat 2 to realize the locking release function
Although the embodiments of the present invention are described above, the embodiments are only used for facilitating understanding of the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is to be determined by the appended claims.
Claims (9)
1. A quick release lock for installing equipment in a cabin, comprising: the quick-release lock assembly (1) and the lock seat (2) are connected with the quick-release lock assembly (1) in a matching way; the quick release lock assembly (1) comprises: the lock comprises a lock core mechanism (3), a first bracket (4) and a second bracket (5) which are arranged on the front end face and the rear end face of the lock core mechanism (3), and a connecting component which is matched with the first bracket for use;
the lock core mechanism (3) comprises a double-head stop pin (9), a lock block (10), 2 springs (11) and 2 pin shafts (12); the double-end stop pin (9) is provided with 2 pin shaft parts (9 b) which are symmetrically arranged and downwards open, the lock block (10) is provided with a middle connecting plate (10 e) and two side supporting parts, 2 springs (11) which are symmetrically arranged and are arranged in parallel with the two side supporting parts are embedded in the middle connecting plate (10 e), the lower end face of the lock block (10) is of a step structure, the first lower end face of one side supporting part and the part connecting plate connected with the first lower end face of the other side supporting part are higher than the second lower end face of the other side supporting part and the part connecting plate connected with the second lower end face, and the front end face and the rear end face of each side supporting part are symmetrically provided with sliding blocks;
the double-end stop pins (9) are sleeved on the middle connecting plate (10 e) through downward openings of the two pin shaft parts (9 b), the lower end faces of the pin shaft parts (9 b) are flush with the first lower end faces of the locking blocks (10) so as to form locking faces through the double-end stop pins (9) and the lower end faces of the locking blocks (10), the first shaft holes (9 c) which are symmetrically arranged on the 2 pin shaft parts (9 b) in a one-to-one correspondence manner are penetrated through the 2 pin shafts (12) so as to fix the front and rear positions of the double-end stop pins (9) and the locking blocks (10), and the double-end stop pins (9) can slide up and down along the axial directions of the springs (11);
the lock cylinder mechanism (3) is arranged in the mounting groove positions of the first bracket (4) and the second bracket (5) and is in sliding fit with the front and rear rectangular holes through the front and rear sliding blocks arranged on the front and rear supporting parts of the two sides of the lock block (10) so as to enable the lock cylinder mechanism (3) to slide in the mounting groove positions of the first bracket (4) and the second bracket (5);
the lock seat (2) comprises an upper layer of combined holes and a lower layer of combined holes, the serial hole shape of the upper layer of combined holes is the same as the shape of the lower end face of the assembly structure of the double-end stop pin (9) and the locking piece (10), the lower layer of long holes (2 f) are positioned on the lower surface of the upper layer of combined holes, the whole appearance is a waist-shaped long hole formed by the maximum diameter of the serial holes in the upper layer of combined holes, a flange (2 e) is formed on the upper surface of the lock seat (2) after the upper layer of combined holes and the lower layer of long holes (2 f) are combined, the lock cylinder mechanism (3) for completing assembly passes through the upper layer of combined holes and is arranged in the lower layer of long holes (2 f), the upper and lower positions of the lock cylinder mechanism (3) are limited through the flange (2 e), and the locking surface of the lock cylinder mechanism (3) is limited in the lower layer of long holes (2 f) by sliding a slide block of the lock cylinder mechanism (3) to the side of a second limiting piece (10 j).
2. Quick release lock for mounting equipment in cabins according to claim 1, characterized in that the double-ended stop pin (9) comprises in particular: a supporting part (9 a) arranged at the top end and 2 columnar pin shaft parts (9 b) arranged at the lower end surface of the supporting part (9 a);
wherein the supporting part (9 a) is of a square cover plate structure; the sections of the 2 pin shaft parts (9 b) parallel to the supporting part (9 a) are all round, the top ends of the 2 pin shaft parts (9 b) are connected into an integral structure through the supporting part (9 a), the downward openings of the 2 pin shaft parts (9 b) divide the pin shaft parts into symmetrical structures along the opening surfaces, and the openings of the 2 pin shaft parts (9 b) are communicated to form square notches (9 e); the whole double-head stop pin (9) is of a symmetrical structure along the transverse central surface and the longitudinal central surface of the square groove opening (9 e);
the central symmetry position of the columnar surfaces of the 2 pin shaft parts (9 b) is respectively provided with 1 first shaft hole (9 c), the diameters of the 2 shaft holes (9 c) and the sizes of the first shaft holes (9 c) from the lower end surfaces of the pin shaft parts (9 b) on the same side are the same, square grooves (9 d) are formed between the columnar surfaces of the 2 pin shaft parts (9 b), and the depth of each square groove (9 d) is larger than the distance between the first shaft hole (9 c) and the lower end surfaces of the pin shaft parts (9 b).
3. Quick release lock for mounting equipment in a cabin according to claim 2, characterized in that the locking piece (10) comprises in particular: the device comprises a middle connecting plate (10 e), a first supporting part (10 a) and a second supporting part (10 b) which are fixedly connected to two sides of the middle connecting plate (10 e), wherein the front end face and the rear end face of the first supporting part (10 a) are symmetrically provided with first sliding blocks (10 c), and the front end face and the rear end face of the second supporting part (10 b) are symmetrically provided with second sliding blocks (10 d);
the first supporting part (10 a) and a part of the connecting plate connected with the first supporting part form the first lower end face, the second supporting part (10 b) and a part of the connecting plate connected with the second supporting part form the second lower end face, one end, close to the first lower end face, of the second lower end face is provided with a first limiting piece (10 h), the second lower end face is positioned on a second limiting piece (10 j) arranged at the bottom end of the second supporting part (10 b), and the first limiting piece (10 h) is flush with the lower end face of the second limiting piece (10 j);
the thickness of the middle connecting plate (10 e) is in clearance fit with the square notch (9 e) of the double-end stop pin (9), the double-end stop pin (9) is specifically sleeved on the middle connecting plate (10 e) through the square notches (9 e) of the two pin shaft parts (9 b), and the lower end face of the pin shaft parts (9 b) is flush with the lower end face of the first limiting piece (10 h) so as to form a locking surface through the double-end stop pin (9) and the lower end face of the locking piece (10).
4. A quick release lock for installing equipment in a cabin according to claim 3, characterized in that, in the construction of the locking piece (10),
the first limiting piece (10 h) is arranged into a round shape with front and back symmetrical trimming, the second limiting piece (10 j) is arranged into a round shape with circumferential trimming along the bottom of the second supporting portion (10 b), and the center distance and the round diameter between the first limiting piece (10 h) and the second limiting piece (10 j) are the same as those between the 2 pin shaft portions (9 b) of the double-head stop pin (9).
5. A quick release lock for installing equipment in a compartment as claimed in claim 4,
two sides of the middle part of the middle connecting plate (10 e) are respectively provided with a group of rectangular grooves (10 f) and second shaft holes (10 g) which are communicated with each other; the size of the rectangular groove (10 f) is matched with the size of the embedded spring (11) in a free state; the size and the interval size of the second shaft holes (10 g) are consistent with those of the first shaft holes (9 c) on the double-head stop pin (9) and are in clearance fit with the pin shaft (12)
The spring (11) is assembled in a rectangular groove (10 f) of the locking block (10), square notch 9e of the double-end stop pin (9) is nested on front and rear end faces of a middle connecting plate 10e of the locking block (10), a first shaft hole (9 c) of the double-end stop pin (9) is coaxial with a second shaft hole (10 g) of the locking block (10), a pin shaft (12) sequentially penetrates through the first shaft hole (9 c) -the second shaft hole (10 g) -the first shaft hole (9 c), two ends of the pin shaft (12) are flat, the double-end stop pin (9) can slide flexibly up and down after being assembled, the upper surface of the double-end stop pin (9) is enabled to be flush with the upper surface of the locking block (10), and the lower end face of the double-end stop pin is flush with the first lower end face of the locking block (10), so that the lock cylinder mechanism (3) is formed.
6. A quick release lock for installing equipment in a compartment as claimed in claim 5, wherein,
the first bracket (4) comprises first connecting portions (4 a) positioned at two sides and first bracket portions (4 c) positioned in the middle, the first connecting portions (4 a) and the first bracket portions (4 c) are of rectangular structures, the first connecting portions (4 a) are provided with first bolt holes (4 b), the thickness dimension of the first bracket portions (4 c) is larger than that of the first connecting portions (4 a), the middle of the first bracket portions (4 c) is transversely provided with first rectangular holes (4 d), and the height dimension of the first rectangular holes (4 d) is in clearance fit with the first sliding blocks (10 c) and the second sliding blocks (10 d) positioned at one side; the length dimension of the first rectangular hole (4 d) is larger than the distance between the outer end face of the first sliding block (10 c) and the outer end face of the second sliding block (10 d) and the center distance between the 2 pin shaft parts (9 b) in the double-head stop pin (9).
7. A quick release lock for installing equipment in a compartment as claimed in claim 6,
the second bracket (5) comprises 2 second connecting parts (5 a) positioned at two sides and 1 second bracket part (5 c) positioned in the middle, the second connecting parts (5 a) are of U-shaped groove structures, the second connecting parts (5 a) at two sides and the second bracket part (5 c) form a concave installation space, a second bolt hole (5 b) is formed in the butt joint part of the second connecting parts (5 a) and the first connecting parts (4 a), the size and the position size of the second bolt hole (5 b) are consistent with those of the first bolt hole (4 b) of the first bracket (4), and the upper end face, the lower end face, the front end face and the rear end face of the first bracket (4) and the second bracket (5) are flush after assembly; the bottom of the U-shaped groove is provided with a plurality of third bolt holes (5 d) for connecting with equipment to be installed;
the second bracket part (5 c) is of a rectangular structure, the middle part of the second bracket part is provided with 1 second rectangular hole (5 e), and the sizes of the second bracket part (5 c) and the second rectangular hole (5 e) are the same as those of the first bracket part (4 c) and the first rectangular hole (4 d) of the first bracket (4).
8. Quick release lock for mounting an in-cabin device according to claim 7, characterized in that the connection assembly for connecting the first bracket (4) and the second bracket (5) comprises: a bolt (6), a washer (7) and a nut (8);
the first sliding block (10 c) and the second sliding block (10 d) which are positioned at the front end of the lock cylinder mechanism (3) are assembled into the first rectangular hole (4 d) of the first bracket (4), the first sliding block (10 c) and the second sliding block (10 d) which are positioned at the rear end are assembled into the second rectangular hole (5 e) of the second bracket (5), and the first bracket (4) and the second bracket (5) are connected through a bolt (6), a gasket (7) and a nut (8);
the first sliding block (10 c) and the second sliding block (10 d) are in clearance fit with the assembled first rectangular hole (4 d) and second rectangular hole (5 e), lubricant is coated in the groove, flexible sliding of the lock core mechanism (3) is guaranteed, and the assembling structure of the first bracket (4), the second bracket (5) and the lock core mechanism (3) forms a quick-release lock assembly (1).
9. The quick release lock for installing equipment in a cabin according to claim 8, wherein the lock base (2) comprises 2 lock base connecting parts (2 a) positioned at two sides and a base part (2 b) positioned at the middle part, and a plurality of holes are arranged on the 2 lock base connecting parts (2 a) for fixedly connecting the lock base (2) with an aircraft body; the seat body part (2 b) is connected with the 2 lock seat connecting parts (2 a) positioned at two sides to form an integrated structure, and the seat body part (2 b) is arranged into an upper layer and a lower layer of combined hole structure;
the upper layer combination hole comprises 2 adjacent large round blind holes (2 c) and 1 small round blind hole (2 d) positioned at one side, the size of the large round blind holes (2 c) is slightly larger than the outer diameter of a pin shaft part (9 b) of the double-head stop pin (9), the center distance of the 2 large round blind holes (2 c) is the same as the center distance of the 2 pin shaft parts (9 b) of the double-head stop pin (9), and the center distance of the 2 large round blind holes is the same as the center distance of a first stop piece (10 h) and a second stop piece (10 j) of the locking block (10); the diameter of the small round blind hole (2 d) is slightly larger than the thickness of the second supporting part (10 b) of the locking block (10), and the center distance between the small round blind hole (2 d) and the adjacent large round blind hole (2 c) is 1/2 of the center distance between the 2 large round blind holes;
the lower layer long hole (2 f) is arranged at the bottoms of the large round blind hole (2 c) and the small round blind hole (2 d) in a combined mode, one circular arc of one end of the lower layer long hole (2 f) is concentric with the large round blind hole (2 c), the circular arc of the other end of the lower layer long hole is concentric with the small round blind hole (2 d), the diameter of the lower layer long hole is the same as that of the large round blind hole (2 c), and therefore a flange (2 e) is formed on the upper surface of the lock seat (2); the height dimension of the lower long hole (2 f) is slightly larger than the thickness dimension of the first limit piece 10h and the second limit piece (10 j) of the lock block (10), so that the lock block (10) can slide in the lower long hole (2 f).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113062981A (en) * | 2021-03-26 | 2021-07-02 | 陕西飞机工业有限责任公司 | Special transmission rod movement limiting air-tight device for airplane high-lift system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212694C2 (en) * | 1992-04-16 | 1995-09-21 | Daimler Benz Aerospace Airbus | Locking device |
| FR2957331B1 (en) * | 2010-03-12 | 2012-07-13 | Attax | SYSTEM FOR FASTENING A SEAT IN AN AIRCRAFT RAIL |
| JP5102333B2 (en) * | 2010-06-22 | 2012-12-19 | タキゲン製造株式会社 | Equipment fixing device |
| CN102644836A (en) * | 2012-05-11 | 2012-08-22 | 河南科隆集团有限公司 | Suspension-type mechanism for disassembly, assembly and locking |
| US9944217B2 (en) * | 2013-02-11 | 2018-04-17 | Ferno-Washington, Inc. | Equipment mounting system |
| DE102015222233A1 (en) * | 2015-11-11 | 2017-05-11 | Lufthansa Technik Ag | Fastening device for a component to be fastened in rails of a floor structure of an aircraft interior |
| CN108313302B (en) * | 2018-01-22 | 2021-03-19 | 上海电力学院 | The quick-release cargo compartment of the box loaded on the drone |
| US11542005B2 (en) * | 2019-01-29 | 2023-01-03 | Goodrich Corporation | Quick-connect fittings for convertible cargo handling assemblies |
| CN110886757B (en) * | 2019-12-11 | 2024-07-05 | 北京首航科学技术开发有限公司 | Vibration-resistant quick-release lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113062981A (en) * | 2021-03-26 | 2021-07-02 | 陕西飞机工业有限责任公司 | Special transmission rod movement limiting air-tight device for airplane high-lift system |
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