CN215154984U

CN215154984U - Input shaft of automobile steering device

Info

Publication number: CN215154984U
Application number: CN202121481678.8U
Authority: CN
Inventors: 蔡金成
Original assignee: Xiamen Zhonglida Machinery Co ltd
Current assignee: Xiamen Zhonglida Machinery Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-14
Anticipated expiration: 2031-06-30

Abstract

The application relates to an input shaft of an automobile steering gear, comprising a shaft body, the shaft body comprising a connecting shaft and a fixing shaft, the connecting shaft and the fixing shaft are fixed by a clamp, and the clamp is formed by enclosing two clamp sheets , which is characterized in that: one end of one of the tightening pieces is provided with a first connecting piece, and the other tightening piece is provided with a second connecting piece, and the first connecting piece and the second connecting piece are provided with a lock for locking A fixing mechanism for tightening the clamp, the fixing mechanism includes an insertion rod arranged on the first connecting piece and an insertion hole arranged on the second connecting piece, the insertion rod includes a plurality of elastic rods, and there is space between each elastic rod. There is a spacing, and each end of the elastic rod away from the first connecting piece is provided with a bump. When the bumps are closely attached to each other, the objects formed by the bumps can pass through the jack, and the bumps When there is no external force, the objects formed by each of the bumps cannot pass through the socket. The present application has the effect of being convenient for workers to disassemble.

Description

Input shaft of automobile steering device

Technical Field

The application relates to the field of shafts, in particular to an input shaft of an automobile steering gear.

Background

The level of mechanization of human beings is higher and higher due to the push of industrial revolution, and the use of shaft parts is more and more frequent. A shaft is a mechanical part that supports and rotates with a rotating part to transmit motion, torque, or bending moment.

The utility model discloses an input shaft of automobile steering gear is disclosed in the utility model patent of bulletin number CN206187091U, this input shaft has the axis body of power take off gear for the end, the power take off gear wants the meshing with the power take off end of steering gear, the axis body includes split type connecting axle and fixed axle, fixed axle one end and power take off gear fixed connection and structure as an organic whole, the other end is with the help of connecting piece and connecting axle one end fixed connection, the clamp that the connecting piece was adjusted for carrying out the elasticity with the help of bolted connection, the surface of connecting axle carries out anti rust treatment, the utility model discloses set up whole axis body into the split type structure that is connected, the part that links to each other with the power take off gear adopts the higher material of cost, and the part that does not connect with the power take off gear adopts low-cost material and carry out anti rust treatment on the surface, it is with low costs to have, long service life's effect.

In view of the above-mentioned technology, the inventor believes that, since the connecting member is fixed by the bolt, it is troublesome to detach the shaft body by loosening the connecting member and also to use a tool such as a wrench, and thus an improvement is required.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present application is to provide an input shaft of an automobile steering device, which has the advantages of easy detachment and convenient operation by bare hands.

The application provides an auto steering ware input shaft adopts following technical scheme:

an input shaft of an automobile steering device comprises a shaft body, wherein the shaft body is divided into a connecting shaft and a fixed shaft, the end part of the connecting shaft is abutted against the end part of the fixed shaft and is fixed through a clamp, the clamp is formed by two clamping pieces in a surrounding mode, one end of one clamping piece is provided with a first connecting piece, one end, close to the first connecting piece, of the other clamping piece is provided with a second connecting piece, a fixing mechanism used for locking the clamp is arranged on the first connecting piece and the second connecting piece, the fixing mechanism comprises an inserting rod arranged on the first connecting piece and a jack arranged on the second connecting piece, the inserting rod is in inserting connection with the jack and matched with the jack, the inserting rod comprises a plurality of elastic rods, a space is reserved between each elastic rod, one end, far away from the first connecting piece, of each elastic rod is provided with a convex block, and when the convex blocks are mutually attached, an object formed by each convex block can pass through the jack, when each lug is free from external force, an object formed by each lug cannot pass through the jack.

By adopting the technical scheme, when the hoop needs to be hooped, the lugs are mutually pinched and then inserted into the jacks, and after the lugs completely pass through the jacks, the lugs are elastically opened and clamped on one surface of the second connecting plate, which is far away from the first connecting plate; when the clamp needs to be disassembled, the convex block is pinched, so that the inserted bar is separated from the jack; the whole process can be completed by bare hands without the help of other tools, and the use is more convenient.

Preferably, a side of the projection remote from the first connecting piece is provided as a guide surface.

Through adopting above-mentioned technical scheme, when saying that the inserted bar inserts in the jack, need not to pinch the lug tight, with the spigot surface card on the jack, the lug is laminated each other naturally during the application of force, convenient to use.

Preferably, the length of the plug rod is the same as the thickness of the second connecting piece.

Through adopting above-mentioned technical scheme, can make first connection piece and the laminating of second connection piece inseparabler for the effect of cramping of clamp is better.

Preferably, the ends of the two tightening pieces far away from the fixing mechanism are hinged with each other.

By adopting the technical scheme, after the locking state of the fixing mechanism is released, the two tightening pieces are hinged, so that the two tightening pieces can be opened without consuming too much labor, and the use by an operator is facilitated.

Preferably, the inner wall of clamp is provided with a plurality of constant head tanks, all be provided with on the outer wall of fixed axle and connecting axle with constant head tank complex locating piece, the locating piece cooperatees with the constant head tank grafting.

Through adopting above-mentioned technical scheme, when the clamp with connecting axle and fixed axle hoop fastening timing, constant head tank and locating piece can prevent that connecting axle and fixed axle from keeping away from each other, avoid appearing great gap and lead to the during operation vibration between connecting axle and the fixed axle.

Preferably, a slot is formed in one end face, close to the connecting shaft, of the fixing shaft, the section of the slot is polygonal, an insertion block is arranged on one end face, close to the fixing shaft, of the connecting shaft, the section of the insertion block is identical to that of the slot, and the insertion block is matched with the slot in an inserting mode.

Through adopting above-mentioned technical scheme, through the cooperation of slot and inserted block for the transmission of moment of torsion is more abundant between connecting axle and the fixed axle, avoids the terminal surface of the mutual butt of during operation connecting axle and fixed axle to skid.

Preferably, the fixing mechanism comprises a fastening component and a knob arranged on the fastening component.

Through adopting above-mentioned technical scheme, need not through the knob also can bare-handed unscrew the bolt with the help of the spanner, convenient to use.

Preferably, the knob is provided with anti-skid grains.

Through adopting above-mentioned technical scheme, can increase the frictional force between hand and the knob, the operator of being convenient for unscrews the nut with bare-handed.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) when the connecting shaft and the fixed shaft are assembled or disassembled, tools such as a spanner and the like are not needed additionally, and the use is convenient;

(2) the rotating shaft is tightly attached to the connecting shaft, so that the rotating shaft is not easy to shake in use and has good structural stability;

(3) the torque transmission effect between the connecting shaft and the fixed shaft is good.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is an exploded view of the first embodiment;

FIG. 3 is a schematic view of a clip according to the present embodiment;

FIG. 4 is an exploded view of the first embodiment;

FIG. 5 is a schematic structural diagram of the second embodiment;

fig. 6 is a partially enlarged schematic view of a in the second embodiment.

Reference numerals: 1. a shaft body; 2. clamping a hoop; 11. a fixed shaft; 12. a connecting shaft; 13. a gear; 14. positioning blocks; 21. a grip tab; 22. a fixing mechanism; 23. positioning a groove; 111. a slot; 121. inserting a block; 211. a first connecting piece; 212. a second connecting sheet; 221. inserting a rod; 222. a jack; 223. an elastic rod; 224. a bump; 225. a guide surface; 226. a fastening assembly; 227. a knob; 2261. a bolt; 2262. a nut; 2263. and (4) a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an input shaft of an automobile steering device. In a first embodiment, referring to fig. 1 and 2, an input shaft of an automobile steering device includes a shaft body 1, the shaft body 1 is divided into a fixed shaft 11 and a connecting shaft 12, the shaft diameters of the fixed shaft 11 and the connecting shaft 12 are the same, a gear 13 for outputting power is fixedly disposed at one end of the fixed shaft 11, one end of the connecting shaft 12 is connected with a steering shaft (not shown) of an automobile, an end surface of the fixed shaft 11, which is far away from the gear 13, abuts against an end surface of the connecting shaft 12, which is far away from the steering shaft, and a portion of the fixed shaft 11, which abuts against the steering shaft, is clamped and fixed by a clamp 2.

Referring to fig. 1 and 2, the clamp 2 is formed by enclosing two clamping pieces 21, wherein the ends of the two clamping pieces 21 close to each other are hinged, the ends of the two clamping pieces 21 far away from the hinged position are respectively provided with a first connecting piece 211 and a second connecting piece 212, the ends of the two clamping pieces 21 far away from the hinged position are locked with each other through a fixing mechanism 22, and the fixing mechanism 22 is arranged on the first connecting piece 211 and the second connecting piece 212.

Referring to fig. 2 and 3, the fixing mechanism 22 includes an insertion rod 221 disposed on the first connecting piece 211 and an insertion hole 222 disposed on the second connecting piece 212, the insertion rod 221 is disposed on a side of the first connecting piece 211 close to the second connecting piece 212, the insertion rod 221 and the insertion hole 222 are in insertion fit, the insertion rod 221 is cut along the axial direction to divide the insertion rod 221 into two elastic rods 223, a space is left between the two elastic rods 223, one ends of the two elastic rods 223 far away from the first connecting piece 211 are both provided with a projection 224, both the projections 224 are semi-cylindrical, when the two elastic rods 223 are pinched, the two protrusions 224 are attached to each other, and the diameter of the object formed by the two protrusions 224 is smaller than that of the insertion hole 222, at this time, the two protrusions 224 can pass through the insertion hole 222, when the two elastic rods 223 are in a natural state without external force, the two protrusions 224 are separated and the diameter of the object formed by the two protrusions 224 is larger than that of the insertion hole 222, and at this time, the two protrusions 224 cannot pass through the insertion hole 222.

Referring to fig. 3, a side of the projection 224 away from the first connection piece 211 is provided with an inclined guide surface 225, and the guide surface 225 makes the projection 224 in a semi-conical shape.

In order to prevent the clip 2 from being loosened when it is fastened, the length of the insertion rod 221 is set to be the same as the thickness of the second connection piece 212.

The internal diameter of clamp 2 slightly is less than the diameter of axle of fixed axle 11, and when clamp 2 cramps, because the internal diameter of clamp 2 slightly is less than the diameter of axle of fixed axle 11, the inner wall of clamp 2 can be inseparabler the laminating at the outer wall of fixed axle 11 and connecting axle 12 for fixed axle 11 and connecting axle 12 are connected more stably.

Referring to fig. 2 and 4, a slot 111 is formed in the center of the end surface of the fixed shaft 11 close to the connecting shaft 12, the cross section of the slot 111 is polygonal such as a regular hexagon or a square, an insertion block 121 matched with the slot 111 in shape is arranged on the end surface of the connecting shaft 12 close to the fixed shaft 11, when the end surfaces of the fixed shaft 11 and the connecting shaft 12 are abutted against each other, the insertion block 121 is inserted into the slot 111, and the outer wall of the insertion block 121 is attached to the inner wall of the slot 111; the slot 111 and the insert block 121 play a role in transmitting torque, and prevent the end surface of the fixed shaft 11 abutting against the connecting shaft 12 from slipping in the working process.

Referring to fig. 2 and 4, a plurality of rows of positioning grooves 23 are formed in the inner wall of the hoop 2, each row of positioning grooves 23 is composed of two positioning grooves 23, the two positioning grooves 23 of each row of positioning grooves 23 are arranged along the axial direction of the hoop 2, positioning blocks 14 matched with the positioning grooves 23 are arranged on the outer walls of the fixed shaft 11 and the connecting shaft 12, the positioning block 14 of the fixed shaft 11 is arranged at one end, close to the connecting shaft 12, of the fixed shaft 11, the positioning block 14 of the connecting shaft 12 is arranged at one end, close to the fixed shaft 11, of the connecting shaft 12, and when the hoop 2 hoops the fixed shaft 11 and the connecting shaft 12, the positioning block 14 is located inside the hoop 2 and the positioning block 14 is inserted into the positioning groove 23; the positioning groove 23 and the positioning block 14 can prevent the hoop 2 from rotating or sliding relative to the shaft body 1, so as to improve the hooping effect of the hoop 2.

The implementation principle of the input shaft of the automobile steering device in the embodiment of the application is as follows: after the hoop 2 is enclosed on the outer walls of the fixed shaft 11 and the connecting shaft 12, the guide surface 225 of the projection 224 abuts against the inner wall of the insertion hole 222, force is applied in the direction that the insertion rod 221 is inserted into the insertion hole 222, the insertion hole 222 acts on the projection 224 to enable the two elastic rods 223 to approach each other, after the projection 224 completely passes through the insertion hole 222, the two elastic rods 223 rebound, the two projections 224 are elastically clamped on one surface of the second connecting piece 212 far away from the first connecting piece 211, and the hoop 2 is locked to clamp and fix the fixed shaft 11 and the connecting shaft 12; when the fixing shaft 11 and the connecting shaft 12 need to be detached, the two convex blocks 224 are pinched, and the two convex blocks 224 are pushed out from the insertion holes 222, so that the clamp 2 can be loosened, and the fixing shaft 11 and the connecting shaft 12 can be separated; therefore, the fixed shaft 11 and the connecting shaft 12 can be operated by bare hands without other tools in both installation and disassembly, and the use is convenient.

In the second embodiment, referring to fig. 5 and 6, the difference between the first embodiment and the second embodiment is the difference of the fixing mechanism 22, specifically, the fixing mechanism 22 is a fastening assembly 226 and a knob 227 arranged on the fastening assembly 226, the fastening assembly 226 includes a bolt 2261 and a nut 2262, the first connecting piece 211 and the second connecting piece 212 are both provided with through holes, the nut 2262 abuts against one surface of the second connecting piece 212 far away from the first connecting piece 211, the bolt 2261 is inserted into and screwed into the nut 2262 from the through hole of the surface of the first connecting piece 211 far away from the second connecting piece 212, a nut 2263 of the bolt 2261 abuts against one surface of the first connecting piece 211 far away from the second connecting piece 212, and the knob 227 is arranged on the nut 2263 of the bolt 2261.

The knob 227 is provided with anti-slip lines.

The implementation principle of the input shaft of the automobile steering device in the second embodiment of the application is as follows: through knob 227, the operator can bare-handed rotation bolt 2261, need not to open clamp 2 with the split of axis body 1 with the help of other instruments, and it is very convenient to use.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automobile steering ware input shaft, includes axis body (1), axis body (1) components of a whole that can function independently sets up to connecting axle (12) and fixed axle (11), the tip of connecting axle (12) and the tip butt of fixed axle (11) just are fixed through clamp (2), clamp (2) are enclosed by two hoop grip pieces (21) and close formation, its characterized in that: one end of one of the tightening pieces (21) is provided with a first connecting piece (211), one end of the other tightening piece (21) close to the first connecting piece (211) is provided with a second connecting piece (212), the first connecting piece (211) and the second connecting piece (212) are provided with fixing mechanisms (22) for locking the clamping hoop (2), each fixing mechanism (22) comprises an inserting rod (221) arranged on the first connecting piece (211) and a jack (222) arranged on the second connecting piece (212), the inserting rod (221) is matched with the jack (222) in an inserting mode, the inserting rod (221) comprises a plurality of elastic rods (223), a space is reserved between the elastic rods (223), one end of each elastic rod (223) far away from the first connecting piece (211) is provided with a convex block (224), and when the convex blocks (224) are tightly attached to each other, an object formed by the convex blocks (224) can pass through the jacks (222), when the bumps (224) are not subjected to external force, objects formed by the bumps (224) cannot pass through the insertion holes (222).

2. The input shaft of a steering gear for an automobile according to claim 1, wherein: the side of the projection (224) remote from the first connecting piece (211) is provided as a guide surface (225).

3. The input shaft of a steering gear for a vehicle according to claim 2, wherein: the length of the insert rod (221) is the same as the thickness of the second connecting piece (212).

4. The input shaft of a steering gear for a vehicle according to claim 3, wherein: the ends of the two tightening sheets (21) far away from the fixing mechanism (22) are hinged with each other.

5. The input shaft of a steering gear for an automobile according to claim 1, wherein: the inner wall of clamp (2) is provided with a plurality of constant head tanks (23), all be provided with on the outer wall of fixed axle (11) and connecting axle (12) with constant head tank (23) complex locating piece (14), locating piece (14) and constant head tank (23) cooperation of pegging graft.

6. The input shaft of a steering gear for an automobile according to claim 1, wherein: the fixing shaft (11) is close to and has seted up slot (111) on the terminal surface of connecting axle (12), slot (111) cross-section is the polygon, connecting axle (12) is close to a terminal surface of fixing shaft (11) and is provided with inserted block (121), the cross-section of inserted block (121) is the same with the cross-section of slot (111), inserted block (121) and slot (111) are pegged graft and are matchd.

7. The input shaft of a steering gear for an automobile according to claim 1, wherein: the securing mechanism (22) includes a fastening assembly (226) and a knob (227) disposed on the fastening assembly (226).

8. The input shaft of a steering gear for a vehicle according to claim 7, wherein: and anti-skid grains are arranged on the knob (227).