CN219911546U

CN219911546U - Automobile universal shaft assembly

Info

Publication number: CN219911546U
Application number: CN202320705793.1U
Authority: CN
Inventors: 阮思群; 林高峰; 田潇雅
Original assignee: WENLING DAZHONG PRECISION MACHINERY CO Ltd
Current assignee: WENLING DAZHONG PRECISION MACHINERY CO Ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-10-27
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses an automobile universal shaft assembly, which comprises a first bearing and a second bearing, wherein the inner end of the first bearing is mutually attached to the inner end of the second bearing; further comprises: the dust cover is provided with two sets of, and the inner sliding block of two sets of dust covers is in the outer end of first bearing and second bearing respectively to the dust cover inner is unanimous with outer end structure, and the dust cover outer end is fixed with the lasso moreover, the left inner of lasso slides the inner at the axle sleeve, and the draw-in groove has been seted up to the inner symmetry of axle sleeve, and the inside of draw-in groove stretches into the block has the fixture block, and the inner outside of fixture block is the arc setting, the outer end sliding block of fixture block is in the inside of lasso moreover. This new energy automobile cardan shaft assembly installs the fixture block, through pulling the stay cord, makes the stay cord remove then and drives the fixture block and remove to make the fixture block break away from the draw-in groove, make the dirt proof boot can dismantle fast then, thereby promote the efficiency of changing the dirt proof boot.

Description

Automobile universal shaft assembly

Technical Field

The utility model relates to the technical field of universal shafts of new energy automobiles, in particular to an automobile universal shaft assembly.

Background

In the running process of the new energy vehicle, the tire is driven to rotate by the motor, and the motor is required to drive the vehicle to rotate by the universal shaft, so that the new energy vehicle can normally run;

the constant velocity universal joint transmission shaft assembly of the new energy automobile with the reference publication number of CN206754208U is sealed through an intermediate shaft and a bell-shaped shell through an outer ball cage dust cover, the outer ball cage dust cover and the intermediate shaft are positioned through a single-lug stepless small clamp, and the outer ball cage dust cover and the bell-shaped shell are positioned through a single-lug stepless large clamp; the middle shaft and the inner ball cage cylindrical shell are sealed by an inner ball cage dust cover, the inner ball cage dust cover and the middle shaft are positioned by an ear-free stepless small clamp, the inner ball cage dust cover and the inner ball cage cylindrical shell are positioned through the stepless large hoops without ears, so that the structure is compact, the service performance of a product is further improved, the quality of the product is improved, and the following problems are solved:

in the device in-service use, although the aim of protection is achieved through the inner ball cage dust cover, the inner ball cage dust cover is fixed in a positioning way through the clamp, and the inner ball cage dust cover is made of rubber materials, so that the inner ball cage dust cover can be damaged after the service life is long, and when the inner ball cage dust cover is replaced, the clamp is required to be loosened for replacement, so that the replacement efficiency is low in the process.

Therefore, we provide an automobile universal shaft assembly which can well solve the problems.

Disclosure of Invention

The utility model aims to provide an automobile universal shaft assembly, which solves the problem that the efficiency of replacing an inner ball cage dust cover in the current market is low in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automobile universal shaft assembly comprises a first bearing and a second bearing, wherein the inner end of the first bearing is mutually attached to the inner end of the second bearing;

further comprises:

the dustproof sleeve is provided with two groups, the inner ends of the two groups of dustproof sleeves are respectively and slidably clamped at the outer ends of the first bearing and the second bearing, the inner ends of the dustproof sleeves are consistent with the outer end structure, the outer ends of the dustproof sleeves are fixedly provided with ferrules, and the left inner ends of the ferrules are slidably arranged at the inner ends of the shaft sleeves.

Preferably, the clamping grooves are symmetrically formed in the inner ends of the shaft sleeves, clamping blocks are clamped in the clamping grooves in a stretching mode, the outer sides of the inner ends of the clamping blocks are arc-shaped, and the outer ends of the clamping blocks are clamped in the ferrule in a sliding mode.

Through the structure, the clamping block can be clamped in the clamping groove.

Preferably, the outer end of the clamping block is connected with a first spring, the other end of the first spring is connected to the inside of the ferrule, and the outer end of the clamping block is connected with a pull rope.

Through the structure, the clamping block can be driven to move by pulling the pull rope.

Preferably, the other end of the pull rope penetrates through the inside of the ferrule in a sliding manner to be connected with the inner end of the pull ring, the pull ring is arranged in the ferrule in a sliding manner, and the outer end of the pull ring is parallel to the outer wall of the ferrule in height.

Through the structure, the pull rope can be pulled to move conveniently through the pull ring, and the stability of the pull ring in use is avoided.

Preferably, the left end of the second bearing is provided with a limiting sleeve in a sliding mode, the left end of the limiting sleeve stretches into the first bearing in a sliding mode, and the left end of the limiting sleeve is fixedly provided with a protruding block.

Through the structure, the first bearing and the second bearing can be connected through the limiting sleeve.

Preferably, the outer end of the lug is in sliding clamping with the right side of the first bearing, the right end of the limiting sleeve on the inner side of the lug is fixedly provided with a sliding block, and the outer end of the sliding block is in sliding clamping with the inner part of the second bearing.

Through the structure, the lug can play a limiting role.

Preferably, the right side of the sliding block is connected with a second spring, and the other end of the second spring is connected with the inside of the second bearing.

Through the structure, the second spring can play a limiting role on the limiting sleeve.

Compared with the prior art, the utility model has the beneficial effects that: this new energy automobile cardan shaft assembly is convenient for the dismantlement of dirt proof boot and can carry out quick replacement to the dirt proof boot, through the removal of fixture block for the fixture block can break away from the block of draw-in groove, reaches the purpose of quick dismantlement then, promotes the efficiency of changing then, and through the removal of stop collar, makes the stop collar remove and can let first bearing and second bearing separate each other, thereby makes the dirt proof boot can carry out quick replacement, and its concrete content is as follows:

(1) The anti-dust device is provided with the clamping block, and the pulling rope is pulled to enable the pulling rope to move so as to drive the clamping block to move, so that the clamping block can be separated from the clamping groove, and the anti-dust sleeve can be rapidly detached, and therefore the efficiency of replacing the anti-dust sleeve is improved;

(2) Be provided with the stop collar, through the removal of stop collar for first bearing and second bearing can break away from the laminating each other, and make the dirt proof boot change in the clearance of centre, thereby avoided the purpose that needs dismantle first bearing and second bearing, reached the purpose of quick replacement dirt proof boot then.

Drawings

FIG. 1 is a schematic view of the present utility model in a front cross-section;

FIG. 2 is a schematic illustration of a front cross-sectional structure of a ferrule of the present utility model;

FIG. 3 is a schematic view of the enlarged structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of a front cross-sectional structure of a stop collar of the present utility model;

fig. 5 is a schematic perspective view of a stop collar according to the present utility model.

In the figure: 1. a first bearing; 101. a second bearing; 2. a dust cover; 3. a ferrule; 4. a shaft sleeve; 5. a clamping groove; 6. a clamping block; 7. a first spring; 8. a pull rope; 9. a pull ring; 10. a limit sleeve; 11. a bump; 12. a slide block; 13. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: an automobile universal shaft assembly comprises a first bearing 1 and a second bearing 101, wherein the inner end of the first bearing 1 is mutually attached to the inner end of the second bearing 101; further comprises: the dustproof sleeve 2 is provided with two groups, the inner ends of the two groups of dustproof sleeves 2 are respectively and slidably clamped at the outer ends of the first bearing 1 and the second bearing 101, the inner ends of the dustproof sleeve 2 are consistent with the outer end structure, the outer end of the dustproof sleeve 2 is fixedly provided with the ring 3, the inner end at the left side of the ring 3 is slidably arranged at the inner end of the shaft sleeve 4, the inner end of the shaft sleeve 4 is symmetrically provided with the clamping groove 5, the inner part of the clamping groove 5 stretches into and is clamped with the clamping block 6, the outer side of the inner end of the clamping block 6 is in an arc shape, the outer end of the clamping block 6 is slidably clamped in the inner part of the ring 3, the outer end of the clamping block 6 is connected with the first spring 7, the other end of the first spring 7 is connected in the inner part of the ring 3, the outer end of the clamping block 6 is connected with the pull rope 8, the other end of the pull rope 8 slidably penetrates the inner part of the ring 3 and the inner end of the pull ring 9, the sliding part of the pull ring 9 is arranged in the inner part of the ring 3, and the outer end of the pull ring 9 is in parallel with the outer wall of the ring 3;

referring to fig. 1 to 3, when the dust cover 2 needs to be detached, by pulling the pull ring 9, then enabling the pull ring 9 to move to drive the pull rope 8 to move, so that the pull rope 8 moves to drive the clamping block 6 to move, and the clamping block 6 moves to press the first spring 7, so that the first spring 7 can be subjected to compression stress, then enabling the clamping block 6 to move towards the inside of the ferrule 3, then enabling the clamping block 6 to move, so that the shaft sleeve 4 is separated from the clamping engagement of the ferrule 3, then enabling the dust cover 2 to be separated from the shaft sleeve 4, then achieving the purpose of detaching the dust cover 2, when the dust cover 2 is installed, by inserting the ferrule 3 into the inside of the shaft sleeve 4, then enabling the clamping block 6 to move towards the inside of the ferrule 3, after the ferrule 3 moves to a position, the first spring 7 is stressed to push the clamping block 6, so that the clamping block 6 moves towards the inside of the clamping groove 5, and then enabling the dust cover 2 to be quickly installed on the shaft sleeve 4;

the left end of the second bearing 101 is slidably provided with a limit sleeve 10, the left end of the limit sleeve 10 is slidably extended into the first bearing 1, the left end of the limit sleeve 10 is fixedly provided with a lug 11, the outer end of the lug 11 is slidably clamped on the right side of the first bearing 1, the right end of the limit sleeve 10 on the inner side of the lug 11 is fixedly provided with a sliding block 12, the outer end of the sliding block 12 is slidably clamped in the second bearing 101, the right side of the sliding block 12 is connected with a second spring 13, and the other end of the second spring 13 is connected with the inner part of the second bearing 101;

referring to fig. 1, referring to fig. 4 and 5, when the dust cap 2 is replaced, the protrusion 11 is pulled, so that the protrusion 11 moves to drive the stop collar 10 to move, so that the stop collar 10 moves inside the second bearing 101, and the stop collar 10 moves to drive the slide block 12 to move, so that the slide block 12 moves to press the second spring 13, so that the second spring 13 can be compressed and stressed, when the stop collar 10 is separated from the first bearing 1, the first bearing 1 and the second bearing 101 are separated from each other, so that a gap is generated between the first bearing 1 and the second bearing 101, and then the dust cap 2 is separated from the gap, so that the purpose of quickly replacing the dust cap 2 is achieved.

Working principle: when the automobile universal shaft assembly is used, firstly, referring to fig. 1 to 3, when the dust cover 2 needs to be disassembled, the pull ring 9 is pulled, so that the pull rope 8 moves to drive the clamping block 6 to move, then the clamping block 6 moves towards the inside of the sleeve 3, then the clamping block 6 moves, then the dust cover 2 can be separated from the shaft sleeve 4, then the purpose of disassembling the dust cover 2 is achieved, when the dust cover 2 is installed, the sleeve 3 is inserted into the shaft sleeve 4, and after the sleeve 3 moves to a position, the clamping block 6 moves towards the inside of the clamping groove 5, and then the dust cover 2 can be quickly installed on the shaft sleeve 4;

referring to fig. 1, 4 and 5, when the dust cover 2 is replaced, the lug 11 is pulled, so that the lug 11 moves to drive the limit sleeve 10 to move, and the limit sleeve 10 moves to drive the slide block 12 to move, so that the second spring 13 can be compressed and stressed, when the limit sleeve 10 is separated from the first bearing 1, a gap can be generated between the first bearing 1 and the second bearing 101, then the dust cover 2 can be separated from the gap, and then the aim of quickly replacing the dust cover 2 is fulfilled.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An automobile universal shaft assembly comprises a first bearing (1) and a second bearing (101), wherein the inner end of the first bearing (1) is mutually attached to the inner end of the second bearing (101);

characterized by further comprising:

the dustproof sleeve (2) is provided with two groups, the inner ends of the two groups of dustproof sleeves (2) are respectively and slidably clamped at the outer ends of the first bearing (1) and the second bearing (101), the inner ends of the dustproof sleeves (2) are consistent with the outer end structure, the outer ends of the dustproof sleeves (2) are fixedly provided with ferrules (3), and the left inner ends of the ferrules (3) are slidably arranged at the inner ends of the shaft sleeves (4).

2. An automotive cardan shaft assembly according to claim 1, wherein: clamping grooves (5) are symmetrically formed in the inner ends of the shaft sleeves (4), clamping blocks (6) are clamped in the clamping grooves (5) in a stretching mode, the outer sides of the inner ends of the clamping blocks (6) are arc-shaped, and the outer ends of the clamping blocks (6) are clamped in the ferrule (3) in a sliding mode.

3. An automotive cardan shaft assembly according to claim 2, wherein: the outer end of the clamping block (6) is connected with a first spring (7), the other end of the first spring (7) is connected to the inside of the ferrule (3), and the outer end of the clamping block (6) is connected with a pull rope (8).

4. A car cardan shaft assembly according to claim 3, characterised in that: the other end of the pull rope (8) penetrates through the inside of the ferrule (3) in a sliding mode to be connected with the inner end of the pull ring (9), the pull ring (9) is arranged inside the ferrule (3) in a sliding mode, and the outer end of the pull ring (9) is parallel to the outer wall of the ferrule (3).

5. An automotive cardan shaft assembly according to claim 1, wherein: the left end of the second bearing (101) slides with a limiting sleeve (10), the left end of the limiting sleeve (10) slides into the first bearing (1), and the left end of the limiting sleeve (10) is fixed with a lug (11).

6. An automotive cardan shaft assembly according to claim 5, wherein: the outer end of the protruding block (11) is in sliding clamping with the right side of the first bearing (1), the right end of the protruding block (11) inner side limiting sleeve (10) is fixedly provided with a sliding block (12), and the outer end of the sliding block (12) is in sliding clamping with the inside of the second bearing (101).

7. The automotive cardan shaft assembly of claim 6, wherein: the right side of the sliding block (12) is connected with a second spring (13), and the other end of the second spring (13) is connected with the inside of the second bearing (101).