CN205521163U - Automatic oil blanket mounting tool on derailleur lip ring limit for refabrication - Google Patents

Abstract

The utility model relates to the technical field of automatic transmission rebuilding. An oil seal installation tool with lips for automatic transmission remanufacturing, comprising a push rod, one end of the push rod is provided with a stud, a first protruding ring and a second protruding ring in turn, the diameter of the stud is smaller than that of the oil seal Inner diameter, the outer diameter of the first protruding ring is less than or equal to the outer diameter of the oil seal, the end surface of the first protruding ring is provided with an annular groove for accommodating the lip, the outer diameter of the second protruding ring Greater than the outer diameter of the oil seal, the distance between the first protruding ring and the second protruding ring is equal to the depth that the oil seal needs to be installed into the part of the transmission where the oil seal is installed. The utility model provides a lipped oil seal installation tool for remanufacturing an automatic transmission that can conveniently install the lipped oil seal, and solves the problem of inconvenience in installing the lipped oil seal in the automatic transmission remanufacturing process.

Description

Oil seal installation tool with lip for automatic transmission remanufacturing

technical field

The utility model relates to the technical field of remanufacturing of automatic transmissions, in particular to an oil seal installation tool with lips for remanufacturing of automatic transmissions.

Background technique

Oil seals with lips are installed in the transmission's oil pump, differential cover, left half shaft and other components. The above oil seals with lips need to be installed in the corresponding parts during the rebuilding process of the automatic transmission. The existing method of installing the above oil seal is to align the oil seal with the hole of the part where the oil seal is installed by hand, and then press or tap the oil seal with a hammer to install it. This method is very inconvenient to install and the oil seal is difficult to install. The required depth, and it is easy to cause local deformation of the oil seal and the shaft head in the hole of the parts where the oil seal is installed in the transmission when knocked.

Utility model content

The utility model provides a lipped oil seal installation tool for automatic transmission remanufacturing, which can conveniently install the lipped oil seal, and solves the problem of inconvenient installation of the lipped oil seal in the automatic transmission remanufacturing process.

The above technical problems are solved by the following technical solutions: an oil seal installation tool with lips for automatic transmission remanufacturing, including a push rod, one end of the push rod is provided with a column head, a first protruding ring and a second protruding ring in sequence , the diameter of the column head is smaller than the inner diameter of the oil seal, the outer diameter of the first protruding ring is less than or equal to the outer diameter of the oil seal, and the end surface of the first protruding ring is provided with an annular ring for accommodating the lip The outer diameter of the second protruding ring is larger than the outer diameter of the oil seal, and the distance between the first protruding ring and the second protruding ring is equal to the depth of the oil seal that needs to be installed in the parts of the transmission where the oil seal is installed. When in use, the oil seal is set on the column head to be supported on the first protruding ring and the lip is accommodated in the annular groove, and then the column head is aligned with the hole of the oil seal part of the transmission and then inserted, when inserted into the second When the protruding ring abuts against the end face of the hole of the part of the transmission where the oil seal is installed, it cannot be inserted further. At this moment, the oil seal with the lip is just installed to the required position.

Preferably, the end surface of the column head is provided with an avoidance hole for accommodating the shaft head in the hole of the part of the transmission where the oil seal is installed. It can prevent the shaft head copper stud in the hole of the oil seal part of the transmission from interfering, and the avoidance hole can also cooperate with the shaft head in the hole of the oil seal part of the transmission to play a guiding role.

Preferably, the other end of the push rod is provided with a handle bar, and the cover of the handle bar is provided with a handle cover. Convenience at the time of holding can be improved.

Preferably, the handle cover is a rubber cover. The comfort at the time of holding can be improved.

Preferably, the handle cover is elastically sleeved on the handle bar, and an elastic force adjustment mechanism for adjusting the elastic force between the handle cover and the handle bar is provided between the handle bar and the handle cover, and the elastic force adjustment mechanism It includes a base pipe sleeved outside the grip rod and passed through the handle glove, and a clamping layer surrounding the outside of the base tube, the clamping layer is composed of several friction strips distributed along the circumference of the base tube, The friction bar is provided with a number of slide bars extending radially along the base pipe, the slide bars slide through the base tube, and the inner ends of the slide bars are provided to drive the slide bar to move outwards to drive the friction bar at the same time. The third spring that abuts the glove together, the elastic force adjustment mechanism is also provided with a pre-tight force adjustment structure for adjusting the pre-tight force of the third spring. When in use, the grip on the grip bar is realized by holding the handle glove. The grip bar in the technical solution has elasticity, thereby improving the comfort during use, and the elastic effect in the technical solution can also be changed to meet different needs. The specific adjustment process of the grip rod elasticity is to drive the third spring to move radially along the base pipe through the pre-tightening force adjustment structure, so that the positive pressure of the friction strip and the handle glove changes, thereby realizing the change of the pre-tightening force, so that Different elastic effects are achieved by changing the size of the power of the handle glove relative to the grip rod.

Preferably, the pre-tightening force adjustment structure includes two tubular-shaped conical heads that support the base pipe outside the holding rod, and a driving structure that drives the conical heads to move axially and stops the conical heads at a set position and several ejector rods, the two conical heads are slidably connected in the two ends of the base pipe with the small-diameter ends facing each other, and the two ends of the ejector rod rest on the cones of the two conical heads. On the surface, all the sliding rods of the same friction strip are supported on the same push rod through the spring, and the sliding rods of each friction strip are supported by one of the push rods. During adjustment, the radial movement of the ejector rod along the substrate tube is realized by axially changing the position of the conical head, thereby realizing the change of the radial position of the ejector rod along the substrate pipe, thereby realizing the change of the third spring preload. The convenience of adjustment is good.

Preferably, the driving structure includes two jacking blocks screwed into both ends of the base pipe, and the two conical heads are located between the two jacking blocks. The conical head is driven by turning the top block to realize adjustment, and the adjustment is automatically positioned when it is in place, and the convenience in use is better.

The utility model has the following advantages: the lip oil seal can be quickly and accurately installed in the hole of the oil seal installation part of the transmission, and the oil seal is not easy to be damaged, and the remanufacturing cost of the automatic transmission is reduced.

Description of drawings

Fig. 1 is a schematic diagram of Embodiment 1 of the utility model.

Fig. 2 is a schematic diagram of the use state of the first embodiment.

Fig. 3 is a schematic diagram of the second embodiment of the utility model.

FIG. 4 is a schematic cross-sectional view of the grip bar in FIG. 3 .

FIG. 5 is a schematic axial sectional view of the grip rod in FIG. 3 .

In the figure: push rod 1, column head 11, first protruding ring 12, second protruding ring 13, annular groove 14, avoidance hole 15, oil seal 2, lip 21, parts for installing oil seal of transmission 3, parts for installing oil seal of transmission The shaft head 32 in the hole 31 of the part, the part of the oil seal of the transmission, the grip bar 6, the handle cover 61, the elastic force adjustment mechanism 8, the base pipe 81, the clamping layer 82, the friction strip 821, the slide bar 822, The distance L between the third spring 823 , the preload adjusting structure 83 , the conical head 831 , the ejector rod 832 , the driving structure 833 , the ejector block 8331 , the first protruding ring and the second protruding ring.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Embodiment 1, referring to FIG. 1 , is a lipped oil seal installation tool for automatic transmission remanufacturing, including a push rod 1 . The push rod 1 extends in the left-right direction. The left end of the push rod 1 is provided with a column head 11 , a first protruding ring 12 and a second protruding ring 13 in sequence. An escape hole 15 is provided on the end surface of the column head 11 . An annular groove 14 for accommodating the lip is formed on the end surface of the first protruding ring 12 . The right end of the push rod 1 is provided with a grip bar 6 .

Referring to FIG. 2 , the oil seal 2 is provided with a lip 21 . The diameter of the column head 11 is smaller than the inner diameter of the oil seal 2 . The outer diameter of the first protruding ring 12 is smaller than or equal to the outer diameter of the oil seal 2 (in this embodiment, it is equal to the outer diameter of the oil seal 2 ). The outer diameter of the second protruding ring 13 is larger than that of the oil seal 2 . The distance L between the first protruding ring and the second protruding ring is equal to the depth that the oil seal needs to be installed into the part 3 of the transmission where the oil seal is installed.

The method for installing the oil seal 2 through the utility model is as follows: the oil seal 2 is sleeved on the column head 11 to be supported on the first protruding ring 12 , and the lip 21 is accommodated in the annular groove 14 . Then make column head 11 align with the hole 31 of the parts of the oil seal installed in the transmission and then insert the hole 31 of the parts of the oil seal installed in the speed changer. Then can not continue to insert during, and this oil seal 2 just is installed to required position. During the insertion process, the shaft head 32 in the hole of the component for installing the oil seal of the transmission is penetrated in the avoidance hole 15 to play a guiding role and prevent interference.

Embodiment two, the difference with embodiment one is;

Referring to FIG. 3 , the handle bar 6 is provided with a handle cover 61 . The handle glove 61 is a rubber sheath.

Referring to FIG. 4 , an elastic force adjustment mechanism 8 is provided between the grip bar 6 and the handle cover 61 . The elastic force adjustment mechanism 8 includes a base pipe 81 , a clamping layer 82 and a preload adjustment structure 83 . The base pipe 81 is sheathed outside the handle bar 6 . The base pipe 81 is passed through the handle glove 61 . The clamping layer 82 is composed of several friction strips 821 . The friction strips 821 are distributed along the circumferential direction of the base pipe 81 . The friction strip 821 is provided with a plurality of slide bars 822 axially distributed along the radial extension of the base pipe. The sliding rod 822 slides through the base tube 81 . The inner end of the sliding rod 822 is provided with a third spring 823 . The third spring 823 drives the friction strip to abut against the handle glove 61 through the slide bar. The outwardly moving preload adjustment structure 83 includes two conical heads 831 and several push rods 832 . The conical head 831 is a tubular structure. The conical head 831 is sheathed on the holding rod 6 and passed through the base pipe 81 to connect the base pipe 81 with the holding rod 6 . The conical head 831 is only slidably connected within the base tube 81 . The ejector rods 832 extend axially along the circumferential distribution of the base pipe 81 . All the sliding rods 822 of the same friction strip 821 are supported on the same push rod 832 through the third spring 823, and the sliding rods of each friction strip are supported by a push rod.

Referring to FIG. 5 , two conical heads 831 are slidably connected to both ends of the base pipe 81 in such a manner that the small-diameter ends face each other. Both ends of the ejector rod 832 rest on the conical surfaces of the two conical heads 831 . The preload adjusting structure 83 also includes a driving structure 833 . The driving structure 833 includes two top blocks 8331 screwed into the two ends of the base pipe 81 . The top block 8331 is sleeved on the handle bar 6 . Two conical heads 831 are located between the two top blocks 8331 .

Referring to Fig. 4 and Fig. 5, the process of adjusting the elastic effect of the handle glove is as follows: by rotating the top block 8331, the conical head 831 is driven to move along the axial direction of the base pipe 81, and the conical head 831 drives the ejector rod 832 to move along the direction of the base pipe 81. For radial movement, the push rod 832 squeezes the third spring 823 to change the pretightening force.

Claims (7)

1. an automatic transmission remanufactures by the oil sealing installation tool of band lip, it is characterized in that, including push rod, one end of described push rod is sequentially provided with stigma, first bulge loop and the second bulge loop, the diameter of described stigma is less than the internal diameter of described oil sealing, the external diameter of described first bulge loop is less than or equal to the external diameter of described oil sealing, the end face of described first bulge loop is provided with the cannelure of accommodating described lip, the external diameter of described second bulge loop is more than the external diameter of described oil sealing, distance between described first bulge loop and the second bulge loop needs the degree of depth being installed in the parts installing oil sealing of variator equal to oil sealing.

Automatic transmission the most according to claim 1 remanufactures the oil sealing installation tool by band lip, it is characterised in that the spindle nose in the hole of the parts installing oil sealing that the end face of described stigma is provided with accommodating variator dodge hole.

Automatic transmission the most according to claim 1 and 2 remanufactures by the oil sealing installation tool of band lip, it is characterised in that the other end of described push rod is provided with holding rod, and described holding rod is arranged with handle sleeve.

Automatic transmission the most according to claim 3 remanufactures by the oil sealing installation tool of band lip, it is characterised in that described handle sleeve is rubber sleeve.

nullAutomatic transmission the most according to claim 3 remanufactures by the oil sealing installation tool of band lip，It is characterized in that，Described handle sleeve resilient sleeve is located at described holding rod，The elastic adjusting mechanism of the elastic force being provided with between described holding rod and handle sleeve between regulation handle sleeve and holding rod，Described elastic adjusting mechanism includes the base tube being set in outside holding rod and being located in handle sleeve and is looped around the holding sheet outside described base tube，Described holding sheet is constituted along the circumferentially distributed fricting strip of base tube by some pieces，Described fricting strip is provided with some slide bars radially extended along base tube，Described sliding bar is arranged in described base tube，The inner of described slide bar is provided with shift-in outside driving slide bar and drives fricting strip to be connected to the 3rd spring together with handle sleeve，Described elastic adjusting mechanism is additionally provided with the pretightning force adjustment structure of the pretightning force regulating described 3rd spring.

Automatic transmission the most according to claim 5 remanufactures by the oil sealing installation tool of band lip, it is characterized in that, described pretightning force adjustment structure includes the conical head of two tubular structures being supported on outside holding rod by base tube, conical head is driven to move axially and can make conical head to stop at the driving structure of setting position and some push rods, said two conical head is slidably connected in the two ends of described base tube in the way of miner diameter end is arranged oppositely, the two ends of described push rod are shelved on the conical surface of said two conical head, the all of described slide bar of same fricting strip passes through described spring supporting on same described push rod, the described slide bar of each piece of fricting strip is respectively supported by a described push rod.

Automatic transmission the most according to claim 6 remanufactures by the oil sealing installation tool of band lip, it is characterised in that described driving structure includes the jacking block in two two ends being threaded in described base tube, and said two conical head is between said two jacking block.