CN213017254U

CN213017254U - Ball joint assembly

Info

Publication number: CN213017254U
Application number: CN202021094392.XU
Authority: CN
Inventors: 胡全达; 徐言涛; 韦安忠
Original assignee: Zhejiang Ruitai Suspension System Technology Ltd
Current assignee: Zhejiang Ruitai Suspension System Technology Ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-04-20
Anticipated expiration: 2030-06-13

Abstract

The utility model relates to a ball joint subassembly belongs to vehicle suspension technical field. It includes dabber, dust cover, is used for restricting the ball seat of dabber and is used for installing the ball joint assembly of ball seat, the dust cover including integrative and set gradually with spindle connection's first connecting portion, first kink, second kink, third kink and with the second connecting portion that ball joint assembly connects, the convex part of first kink deviates from the dabber and forms first folding chamber, the convex part of second kink forms second folding chamber towards the dabber, the third kink deviates from the dabber and forms third folding chamber. The first bending part, the second bending part and the third bending part form a wavy dust cover, and the length of the circumferential side wall of the dust cover protruding out of the ball bearing seat assembly is shorter, so that the overall occupied space of the dust cover is reduced.

Description

Ball joint assembly

Technical Field

The utility model relates to a vehicle suspension technical field, in particular to ball joint subassembly.

Background

The ball joint assembly is positioned in a suspension system of the automobile and plays roles in connection and steering.

The patent of Chinese utility model with the publication number of CN205663747U discloses a stabilizer bar and a ball joint assembly thereof, which comprises a mandrel, a dust cover, a ball seat and a mounting seat for limiting the ball seat, wherein the ball seat comprises an external side wall, an upper flange which is vertically extended at the upper end of the external side wall and a lower flange which is formed by extending downwards from the external side wall, and the outer wall of the lower flange is provided with a first inclined plane; the mounting seat is provided with a through hole for accommodating the external side wall, a second inclined plane is formed at the upper port of the through hole through a chamfer, when the ball seat is mounted in the mounting seat, the first inclined plane and the second inclined plane on the ball seat are attached to each other, and the barb is buckled at the lower port of the mounting seat.

It can be seen from the drawings of the above technical solutions that the circumferential side wall of the dust cover radially protrudes from the mounting seat, so that the whole ball joint assembly occupies a large space, and the protruding dust cover may interfere with other parts in the automobile due to the limited space inside the automobile.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ball joint subassembly reduces the occupation space of dust cover.

The utility model aims at realizing through the following technical scheme:

the utility model provides a ball joint subassembly, includes dabber, dust cover, is used for restricting the ball seat of dabber and is used for installing the ball joint seat assembly of ball seat, the dust cover including an organic whole and set gradually with the first connecting portion of spindle connection, first kink, second kink, third kink and with the second connecting portion that ball joint seat assembly connects, the convex part of first kink deviates from the dabber and forms first folding chamber, the convex part of second kink forms the second folding chamber towards the dabber, the third kink deviates from the dabber and forms the third folding chamber.

By adopting the technical scheme, the first bending part, the second bending part and the third bending part form the wavy dust cover, and compared with the common dust cover, the length of the circumferential side wall of the dust cover protruding out of the ball bearing seat assembly is shorter, so that the overall occupied space of the dust cover is reduced; and, first kink forms first folding chamber, the second kink forms second folding chamber, the third kink forms third folding chamber, when the dabber atress rotates as the center pin along the dabber axle center, because first connecting portion are connected with the dabber, the dust cover rotates along with the dabber together, because second connecting portion are connected with ball seat assembly again, the circumference lateral wall is extrudeed when the dust cover rotates, the circumference lateral wall after the extrusion is folded to first folding chamber, second folding chamber and second folding intracavity respectively, avoid the circumference lateral wall of dust cover to receive the extrusion outwards to expand.

The utility model discloses further set up to: the dabber is seted up and is supplied first joint annular that first connecting portion card was gone into, first connecting portion card is gone into first joint annular is connected with the dabber through first jump ring.

By adopting the technical scheme, the first clamping part of the dust cover is clamped into the first clamping ring groove, and the first clamping part of the dust cover is prevented from moving on the mandrel along the axial direction of the dust cover by the limitation of the first clamping ring groove; in addition, through the effect of first jump ring, make first connecting portion be connected more firmly with the dabber, improve the stability of first connecting portion in first joint annular, further avoid the axial float of first joint portion edge dust cover on the dabber of dust cover.

The utility model discloses further set up to: the protruding first spacing ring and the second spacing ring of being equipped with of dabber lateral wall, first spacing ring with the second spacing ring forms first joint annular, first connecting portion include first butt section, card go into the joint section and the second butt section of first joint annular, the lateral wall looks butt of first butt section and first spacing ring, the lateral wall looks butt of second butt section and second spacing ring.

By adopting the technical scheme, when the clamping section of the first connecting part is clamped into the first clamping ring groove, the first abutting section abuts against the outer side wall of the first limiting ring, and the second abutting section abuts against the outer side wall of the second limiting ring, so that the first limiting ring and the second limiting ring are coated by the dust cover, and the service lives of the first limiting ring and the second limiting ring are prolonged; in addition, in order to reduce the friction between the mandrel and the ball joint assembly, lubricating oil is generally arranged in the ball joint assembly, and the first abutting section and the second abutting section improve the contact area between the dust cover and the mandrel, so that the dust cover is more tightly attached to the mandrel, and the sealing performance between the dust cover and the mandrel is improved; simultaneously, second spacing ring protrusion in the lateral wall of dabber, after the lateral wall looks butt of second butt section and second spacing ring, avoid ball joint seat assembly's lubricating oil to get into in the first joint annular.

The utility model discloses further set up to: the ball joint seat assembly is provided with a second clamping ring groove for clamping the second connecting part, and the second clamping ring is clamped into the second clamping ring groove and is connected with the ball joint seat assembly through a second clamping spring.

By adopting the technical scheme, when the dust cover is connected with the ball joint assembly, the second connecting part is clamped into the second clamping ring groove, and the second connecting part of the dust cover is prevented from moving on the ball joint assembly along the axial direction of the dust cover through the limitation of the second clamping ring groove; in addition, through the effect of second jump ring, make second connecting portion be connected more firmly with ball joint seat assembly, improve the stability of second connecting portion in second joint annular, further avoid the second joint portion of dust cover to follow the axial float of dust cover on ball joint seat assembly.

The utility model discloses further set up to: the inner side wall of the second connecting part is provided with a variable groove.

By adopting the technical scheme, when the second connecting part is clamped into the second clamping groove, the second connecting part is extruded into the deformation groove, so that the second connecting part is deformed, the volume of the outer contour of the second connecting part is reduced, and the second connecting part is easier to be clamped into the second clamping groove; after second connecting portion card income second joint inslot, the second connecting portion have and resume the deformability, make the outside inflation of second connecting portion and want to resume into the original state, but the second connecting portion this moment are located the second joint inslot, and second joint groove restriction second connecting portion resume original state for the lateral wall of second connecting portion and the inside wall butt in second joint groove and laminating are inseparabler, improve the leakproofness of dust cover and ball joint seat assembly.

The utility model discloses further set up to: the ball joint seat assembly comprises a mounting seat and a connecting flange seat, and the central axis of the mounting seat is arranged in an inclined mode relative to the end face of the connecting flange seat.

By adopting the technical scheme, the central axis of the mounting seat and the end face of the connecting flange seat are inclined, so that a certain included angle is formed between the mounting seat and the connecting flange, and compared with the condition that the central axis of the mounting seat is vertical to the connecting flange seat, the ball joint seat assembly occupies smaller space in an automobile; additionally, ball socket assemblies are typically connected to control arms, and the shape and configuration of the control arms are numerous, the ball socket assembly being connected to a particular control arm.

The utility model discloses further set up to: the connecting flange seat is provided with an arc-shaped connecting plate connected with the mounting seat.

Through adopting above-mentioned technical scheme, the flange seat passes through the arc connecting plate and is connected with the mount pad, because the arc connecting plate has certain radian, gives flange seat and certain deformation volume of mount pad, makes the difficult emergence fracture of the junction of flange seat and mount pad.

The utility model discloses further set up to: the connecting flange seat is provided with a plurality of connecting holes.

By adopting the technical scheme, the connecting flange seat is connected with other parts through the connecting hole, so that the ball joint seat assembly is fixed on the automobile.

To sum up, the utility model discloses a beneficial technological effect does:

1. the first bending part, the second bending part and the third bending part form a wavy dust cover, and compared with a common dust cover, the length of the circumferential side wall of the dust cover protruding out of the ball bearing assembly is shorter, so that the overall occupied space of the dust cover is reduced; after the dust cover is extruded, the circumferential side wall of the dust cover is respectively folded into the first folding cavity, the second folding cavity and the second folding cavity, so that the circumferential side wall of the dust cover is prevented from being extruded and expanding outwards;

2. the first abutting section and the second abutting section improve the contact area of the dust cover and the mandrel, so that the dust cover is tightly attached to the mandrel, and the sealing performance of the dust cover and the mandrel is improved;

3. after second connecting portion card income second joint inslot, second connecting portion have and resume the deformability, make the outside inflation of second connecting portion and want to resume into the original condition for the lateral wall of second connecting portion and the inside wall butt in second joint groove and laminating are inseparabler, improve the leakproofness of dust cover and ball joint seat assembly.

Drawings

FIG. 1 is a schematic view showing the overall structure of a ball joint assembly according to the embodiment;

FIG. 2 is a cross-sectional view of a ball joint assembly of an embodiment;

fig. 3 is an enlarged view of a in fig. 2.

In the figure, 1, a mandrel; 11. a rotating part; 12. a force receiving portion; 121. a first limit ring; 122. a second stop collar; 123. a first snap ring groove; 2. a dust cover; 21. a first connection portion; 211. a first abutment section; 212. a clamping section; 213. a second abutment section; 22. a first bent portion; 221. a first folding cavity; 23. a second bent portion; 231. a second folding cavity; 24. a third bent portion; 241. a third folding cavity; 25. a second connecting portion; 251. a deformation groove; 252. a clamping strip; 26. a first clamp spring; 27. a second clamp spring; 3. a ball seat; 31. an annular stop block; 32. a supporting seat; 321. an oil filler hole; 4. a ball joint assembly; 41. a mounting seat; 411. closing the plate; 412. a second clamping ring groove; 42. connecting a flange seat; 421. connecting holes; 422. an arc-shaped notch; 423. an arc-shaped connecting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a ball joint assembly comprises a mandrel 1, a dust cover 2, a ball seat 3 and a ball seat assembly 4, wherein the ball seat 3 has a movable inner cavity, one end of the mandrel 1 is embedded in the movable inner cavity of the ball seat 3, the ball seat assembly 4 is sleeved outside the ball seat 3, the mandrel 1 at one end of the dust cover 2 is connected, and the ball seat assembly 4 at the other end of the dust cover is connected.

Ball joint seat assembly 4 includes mount pad 41 and flange seat 42, and a plurality of connecting holes 421 have been seted up to flange seat 42, and connecting hole 421 are provided with threely in this embodiment, and the central point line of three connecting hole 421 constitutes isosceles triangle, all wears to be equipped with the screw in each connecting hole 421, fixes ball joint seat assembly 4 in the car through the screw, and three screw forms stable triangular structure with flange seat 42, makes ball joint seat assembly 4 more stable in the car.

Two arc breach 422 have been seted up to flange seat 42's lateral wall, and arc breach 422 is inwards sunken, and two arc breach 422 all are located between two adjacent connecting holes 421, and arc breach 422 alleviates flange seat 42's quality, and reduction in production cost, simultaneously, arc breach 422 reduces flange seat 42's occupation space.

Referring to fig. 2, the connecting flange seat 42 is provided with an arc connecting plate 423, one side of the arc connecting plate 423, which is far away from the connecting flange seat 42, is integrally connected with the mounting seat 41, and the arc connecting plate 423 has a section of arc bent, so that the central axis of the mounting seat 41 is inclined relative to the end surface of the connecting flange seat 42, and the inclination angle between the mounting seat 41 and the connecting flange seat 42 in this embodiment is smaller than 90 °, so that the ball joint seat assembly 4 occupies a smaller space.

The mounting base 41 is provided with a cavity for embedding the ball seat 3, the bottom of the mounting base 41 is provided with a sealing plate 411, and the bottom of the ball seat 3 is abutted to the sealing plate 411. The outer side wall of the mounting seat 41 is formed with a second snap ring groove 412.

The ball seat 3 includes an annular limiting block 31 and a supporting seat 32, the outer side wall of the annular limiting block 31 is abutted against the inner side wall of the cavity of the mounting seat 41, the outer side wall of the supporting seat 32 is abutted against the inner side wall of the annular limiting block 31, and an oil filling hole 321 is formed in the bottom of the supporting seat 32.

The mandrel 1 comprises a rotating portion 11 and a stressed portion 12 which are integrally arranged, the rotating portion 11 is embedded into a movable inner cavity of the ball seat 3, one end, away from the stressed portion 12, of the rotating portion 11 is abutted to the supporting seat 32, the stressed portion 12 protrudes out of the mounting seat 41, a first limiting ring 121 and a second limiting ring 122 are convexly arranged on the outer side wall of the stressed portion 12, the first limiting ring 121 and the second limiting ring 122 are coaxially arranged with the stressed portion 12, and the first limiting ring 121, the second limiting ring 122 and the outer side wall of the rotating portion 11 form a first clamping annular groove 123.

Referring to fig. 2 and 3, the dust cover 2 includes a first connecting portion 21, a first bent portion 22, a second bent portion 23, a third bent portion 24, and a second connecting portion 25, which are integrally and sequentially disposed, and the dust cover 2 is made of a flexible material such as rubber, silicon gel, and preferably rubber in this embodiment.

First connecting portion 21 includes first butt section 211, joint section 212 and second butt section 213, joint section 212 card is gone into in the first joint annular 123 of dabber 1, and simultaneously, first butt section 211 and the lateral wall looks butt of first spacing ring 121, second butt section 213 and the lateral wall looks butt of second spacing ring 122, through the effect of first butt section 211 with second butt section 213, improve the area of contact of dust cover 2 and dabber 1, increase the leakproofness of dust cover 2 and dabber 1.

The outer side wall of the first connecting portion 21 is connected with a first snap spring 26, and the first connecting portion 21 is tightly attached to the outer side wall of the mandrel 1 through the first snap spring 26, so that the first connecting portion 21 is connected with the mandrel 1 more firmly.

The convex part of the first bending part 22 deviates from the mandrel 1 to form a first folding cavity 221, the convex part of the second bending part 23 faces the mandrel 1 to form a second folding cavity 231, the third bending part 24 deviates from the mandrel 1 to form a third folding cavity 241, and the first bending part 22, the second bending part 23 and the third bending part 24 form a wave shape, so that the length of the circumferential side wall of the dust cover 2 protruding out of the ball joint seat assembly 4 is short, and the overall occupied space of the dust cover 2 is reduced.

The second connecting portion 25 is clamped in the second clamping ring groove 412 of the mounting seat 41, a second clamping spring 27 is connected to the outside of the second connecting portion 25, and the second connecting portion 25 is connected with the mounting seat 41 through the second clamping spring 27. The inner side wall of the second connecting portion 25 is provided with a deformation groove 251, and the deformation groove 251 is annular, so that the inner side wall of the second connecting portion 25 protrudes out of the two clamping strips 252 due to the deformation groove 251. When second connecting portion 25 card goes into in the second joint annular groove 412, two joint strips 252 extrude and make second connecting portion 25 take place deformation in to deformation groove 251, make second connecting portion 25 volume reduction, make things convenient for second connecting portion 25 card to go into in the second joint annular groove 412, back in second connecting portion 25 card goes into second joint annular groove 412, second connecting portion 25 has the deformation power of recovering original state and outside inflation, the inside wall butt that makes the lateral wall of second connecting portion 25 and deformation groove 251 is hugged closely, make second connecting portion 25 more stable in deformation groove 251, improve the leakproofness of dust cover 2 simultaneously.

The working principle of the embodiment is as follows: when the dust cover 2 is installed, the second connecting portion 25 is firstly clamped into the second clamping ring groove 412 of the installing base 41, the second clamping spring 27 is clamped on the outer side wall of the second connecting portion 25, the clamping section 212 of the first connecting portion 21 is clamped into the first clamping ring groove 123 of the mandrel 1, and the first clamping spring 26 is clamped on the outer side wall of the first connecting portion 21.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ball joint subassembly, includes dabber (1), dust cover (2), be used for restricting ball seat (3) of dabber (1) and be used for installing ball joint assembly (4) of ball seat (3), its characterized in that, dust cover (2) including an organic whole and set gradually with first connecting portion (21), first kink (22), second kink (23), third kink (24) that dabber (1) is connected and with second connecting portion (25) that ball joint assembly (4) are connected, the convex part of first kink (22) deviates from dabber (1) and forms first folding chamber (221), the convex part of second kink (23) forms second folding chamber (231) towards dabber (1), third kink (24) deviate from dabber (1) and form third folding chamber (241).

2. The ball joint assembly according to claim 1, wherein the mandrel (1) is provided with a first snap ring groove (123) for the first connecting portion (21) to be snapped in, and the first connecting portion (21) is snapped in the first snap ring groove (123) and connected with the mandrel (1) through a first snap spring (26).

3. The ball joint assembly according to claim 2, wherein a first limit ring (121) and a second limit ring (122) are convexly arranged on the outer side wall of the mandrel (1), the first limit ring (121) and the second limit ring (122) form the first clamping ring groove (123), the first connecting portion (21) comprises a first abutting section (211), a clamping section (212) clamped into the first clamping ring groove (123) and a second abutting section (213), the first abutting section (211) abuts against the outer side wall of the first limit ring (121), and the second abutting section (213) abuts against the outer side wall of the second limit ring (122).

4. A ball joint assembly according to claim 1, wherein the ball joint seat assembly (4) is provided with a second snap ring groove (412) for the second connecting portion (25) to snap into, and the second snap ring is snapped into the second snap ring groove (412) and connected with the ball joint seat assembly (4) by a second snap spring (27).

5. A ball joint assembly according to claim 4, wherein the inner side wall of the second connecting portion (25) is provided with a deformation groove (251).

6. A ball joint assembly according to claim 1, characterised in that the ball joint seat assembly (4) comprises a mounting seat (41) and a connection flange seat (42), the centre axis of the mounting seat (41) being arranged obliquely in relation to the end face of the connection flange seat (42).

7. A ball joint assembly according to claim 6, characterized in that the connection flange seat (42) is provided with an arc-shaped connection plate (423) connected with the mounting seat (41).

8. A ball joint assembly according to claim 6, wherein said attachment flange seat (42) is provided with a plurality of attachment holes (421).