CN214661484U

CN214661484U - Plane bearing for automobile shock absorber

Info

Publication number: CN214661484U
Application number: CN202121139116.5U
Authority: CN
Inventors: 苏进强; 苏进庆; 邓轩波; 陈涛; 连伟立
Original assignee: Yuhuan Meierlun Machinery Co ltd
Current assignee: Yuhuan Meierlun Machinery Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-09
Anticipated expiration: 2031-05-26

Abstract

The utility model provides a plane bearing for automobile shock absorber ware belongs to bearing technical field. The automobile shock absorber plane bearing solves the problems that an existing plane bearing for an automobile shock absorber is prone to abrasion and the like. The plane bearing for the automobile shock absorber comprises an upper cover and a lower cover which are mutually clamped, wherein an annular friction plate is arranged in a cavity between the upper cover and the lower cover, and an annular wear-resistant oil seal piece is arranged between the upper cover and the friction plate. The utility model has the advantages of small abrasion, long service life and the like.

Description

Plane bearing for automobile shock absorber

Technical Field

The utility model belongs to the technical field of the bearing, a planar bearing is related to, in particular to planar bearing for automobile shock absorber ware.

Background

The plane bearing for the automobile shock absorber not only bears up and down pressure, but also can rotate freely, and is an important part in an automobile suspension system.

For example, chinese patent literature discloses a shock absorber with a flat bearing [ application No.: 200720110324.6, respectively; authorization notice number: CN201045392Y ], which comprises a front shock absorber assembly, a spring cover sub-assembly, an antifriction bearing seat and an inner coupling sleeve are sequentially mounted at the front end of a connecting rod on the front shock absorber assembly and fixedly connected with a nut, a plane bearing is arranged between the antifriction bearing seat and the spring cover sub-assembly, the plane bearing comprises a bearing seat and a bearing cover which are mutually clamped and matched, a through hole is opened on the plane bearing, and a bearing roller is arranged at a cavity formed by matching the bearing seat and the bearing cover and filled with lubricating grease.

The shock absorber with the plane bearing can bear larger axial load, but the plane bearing rolls through the bearing roller, so that the rotation damping is larger, the rotation is not smooth enough, the transmission effect is influenced, the shock absorber is easy to wear, and the service life is not long.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a rotation damping is little, long service life's automobile shock absorber utensils flat bearing.

The purpose of the utility model can be realized by the following technical proposal: the plane bearing for the automobile shock absorber comprises an upper cover and a lower cover which are clamped with each other, and is characterized in that an annular friction plate is arranged in a cavity between the upper cover and the lower cover, and an annular wear-resistant oil seal plate is arranged between the upper cover and the friction plate.

In the above planar bearing for an automobile shock absorber, the top surface of the lower cover is provided with an inner retaining ring and an outer retaining ring which are both annular and axially protrude towards the upper cover side, the inner retaining ring is positioned at the inner side of the outer retaining ring and is arranged at the same height with the outer retaining ring, the friction plate is limited between the inner retaining ring and the outer retaining ring, and gaps are reserved between the inner retaining ring and the outer retaining ring and the upper cover.

In foretell automobile shock absorber utensils planar bearing, the inboard of upper cover have to the axial bulge of lower cover side and be the interior retaining ring of tube-shape, interior retaining ring be located between retaining ring and the outer retaining ring, the top of upper cover have to the axial bulge of lower cover side and be annular outer retaining ring, outer retaining ring be located the outside of outer retaining ring and have the clearance between outer retaining ring and the lower cover, wear-resisting oil packing piece spacing between interior retaining ring and outer retaining ring.

In the above plane bearing for a shock absorber, the top surface of the friction plate has a concave upper groove, and the bottom surface of the friction plate has a concave lower groove.

In the above planar bearing for an automobile shock absorber, the top surface of the friction plate has an annular upper convex ring located in the upper groove, the height of the upper convex ring is less than the depth of the upper groove, the bottom surface of the friction plate has an annular lower convex ring located in the lower groove, and the height of the lower convex ring is less than the depth of the lower groove.

In the above plane bearing for the automobile shock absorber, the bottom surface of the lower cover has a ring of annular grooves recessed in an annular shape.

In the above planar bearing for an automobile shock absorber, the outer wall of the upper cover has a cylindrical covered edge extending toward the lower cover, the inner wall of the covered edge has a fastening edge protruding inward and having a conical ring shape, the outer wall of the lower cover has a cylindrical clamping edge located in the covered edge, and the outer wall of the clamping edge has a radially protruding and conical ring-shaped clamping ring.

Compared with the prior art, the plane bearing for the automobile shock absorber has the advantages of good wear resistance, small damping, smooth rotation and long service life.

Drawings

Fig. 1 is a sectional view showing the structure of the plane bearing for the shock absorber of the present vehicle.

Fig. 2 is an enlarged view of the structure of fig. 1 at circle a.

In the figure, 1, an upper cover; 2. a lower cover; 3. a friction plate; 4. a wear-resistant oil seal sheet; 5. an inner baffle ring; 6. an outer retainer ring; 7. an inner retainer ring; 8. an outer retainer ring; 9. an upper groove; 10. a lower groove; 11. an upper convex ring; 12. a lower convex ring; 13. an annular groove; 14. edge covering; 15. buckling edges; 16. edge clamping; 17. and a collar.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the plane bearing for the automobile shock absorber comprises an upper cover 1 and a lower cover 2 which are clamped with each other, wherein the upper cover 1 and the lower cover 2 are both made of plastics, the buffering and shock-absorbing effects are good, an annular friction plate 3 is arranged in a cavity between the upper cover 1 and the lower cover 2, and an annular wear-resistant oil seal plate 4 is arranged between the upper cover 1 and the friction plate 3.

This plane bearing for automobile shock absorber passes through the setting of friction disc 3, and the wearability is good, long service life, and the damping is little, rotates smoothly, and wear-resisting oil packing 4 further reduces frictional resistance moreover, reduces the wearing and tearing of friction disc 3 and upper cover 1, has further prolonged life.

In more detail, the top surface of the lower cover 2 is provided with an inner baffle ring 5 and an outer baffle ring 6 which are both annular and axially convex towards the side of the upper cover 1, the inner baffle ring 5 is positioned at the inner side of the outer baffle ring 6 and are arranged at the same height, the friction plate 3 is limited between the inner baffle ring 5 and the outer baffle ring 6, a gap is formed between the inner baffle ring 5 and the outer baffle ring 6 and the upper cover 1, the inner baffle ring 5 and the outer baffle ring 6 limit the friction plate 3, the shaking of the friction plate 3 is reduced, the friction plate 3 is stable in work, and when the lower cover 2 is subjected to larger axial pressure, the inner baffle ring 5 and the outer baffle ring 6 can be pressed against the upper cover 1, the friction plate 3 is prevented from being excessively extruded and deformed, and the service life of the friction plate 3 is ensured; the inner side of the upper cover 1 is provided with a cylindrical inner retainer ring 7 which axially protrudes towards the lower cover 2 side, the inner retainer ring 5 is positioned between the inner retainer ring 7 and the outer retainer ring 6, the top of the upper cover 1 is provided with an annular outer retainer ring 8 which axially protrudes towards the lower cover 2 side, the outer retainer ring 8 is positioned at the outer side of the outer retainer ring 6, a gap is arranged between the outer retainer ring 8 and the lower cover 2, the wear-resistant oil seal piece 4 is limited between the inner retainer ring 7 and the outer retainer ring 8, the inner retainer ring 7 and the outer retainer ring 8 limit the wear-resistant oil seal piece 4, and the shaking of the wear-resistant oil seal piece 4 is reduced, the wear-resistant oil sealing sheet 4 works stably, the inner retainer ring 7 also plays a labyrinth sealing role, dirt such as muddy water and the like is prevented from entering between the upper cover 1 and the lower cover 2 from the inner retainer ring 7 side, and outer retaining ring 8 can contradict in the top surface of lower cover 2, avoids friction disc 3 to receive great axial pressure and excessive deformation, has guaranteed friction disc 3's life.

The top surface of the friction plate 3 is provided with a concave upper groove 9, the bottom surface of the friction plate 3 is provided with a concave lower groove 10, the upper groove 9 reduces the contact area between the friction plate 3 and the wear-resistant oil seal plate 4, the lower groove 10 reduces the contact area between the friction plate 3 and the top surface of the lower cover 2, the friction force of the friction plate 3 is reduced, the rotational damping is reduced, the lower cover 2 rotates smoothly relative to the lower cover 2, the work is stable, the upper groove 9 and the lower groove 10 contain lubricating grease, the lubricating effect is improved, the wear is reduced, and the service life is prolonged; the top surface of friction disc 3 has and is cyclic annular and is arranged in the last bulge loop 11 of upper groove 9, the groove depth that highly is less than upper groove 9 of last bulge loop 11, the bottom surface of friction disc 3 has and is cyclic annular and is arranged in the lower bulge loop 12 of lower groove 10, the highly groove depth that is less than lower groove 10 of lower bulge loop 12, the quantity of last bulge loop 11 and lower bulge loop 12 is two rings in this embodiment, last bulge loop 11 does not contact in wear-resisting oil seal 4, lower bulge loop 12 does not contact in 2 top surfaces of lower cover, can not increase frictional force, but increased the structural strength of friction disc 3, and service life is prolonged.

The bottom surface of the lower cover 2 is provided with a circle of annular concave groove 13, the annular groove 13 not only plays a role of reducing weight, but also the annular groove 13 is used for embedding an annular bulge at the end part of the shock absorber, the lower cover 2 is stably positioned, the lower cover does not shake in the working process, and the service life is long; the outer wall of the upper cover 1 is provided with an edge covering 14 which is cylindrical and extends towards the lower cover 2, the inner wall of the edge covering 14 is provided with a buckling edge 15 which protrudes inwards and is in a conical ring shape, the outer wall of the lower cover 2 is provided with a clamping edge 16 which is cylindrical and is positioned in the edge covering 14, the outer wall of the clamping edge 16 is provided with a clamping ring 17 which protrudes outwards in the radial direction and is in a conical ring shape, during assembly, the buckling edge 15 extends into the edge covering 14, and the clamping ring 17 is positioned at the inner side of the buckling edge 15, so that the upper cover 1 and the lower cover 2 are clamped with each other, the edge covering 14, the buckling edge 15, the clamping edge 16, the clamping ring 17, the outer retainer ring 8 and the outer retainer ring 6 form labyrinth seal, dirt such as muddy water is prevented from entering between the upper cover 1 and the lower cover 2, and the service life is prolonged.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a plane bearing for automobile shock absorber ware, includes upper cover (1) and lower cover (2) of mutual block, its characterized in that, upper cover (1) and cavity between lower cover (2) in be equipped with and be annular friction disc (3), upper cover (1) and friction disc (3) between be equipped with and be annular wear-resisting oil seal piece (4).

2. The flat bearing for the shock absorber of the automobile as claimed in claim 1, wherein the top surface of the lower cover (2) has an inner retainer ring (5) and an outer retainer ring (6) which are both annular and axially protruded toward the upper cover (1) side, the inner retainer ring (5) is located inside the outer retainer ring (6) and both are arranged at the same height, the friction plate (3) is limited between the inner retainer ring (5) and the outer retainer ring (6), and a gap is formed between the inner retainer ring (5) and the outer retainer ring (6) and the upper cover (1).

3. The flat bearing for the automobile shock absorber according to claim 2, wherein the inner side of the upper cover (1) is provided with an inner retainer ring (7) which axially protrudes towards the lower cover (2) and is cylindrical, the inner retainer ring (5) is positioned between the inner retainer ring (7) and the outer retainer ring (6), the top of the upper cover (1) is provided with an outer retainer ring (8) which axially protrudes towards the lower cover (2) and is annular, the outer retainer ring (8) is positioned at the outer side of the outer retainer ring (6) and a gap is formed between the outer retainer ring (8) and the lower cover (2), and the wear-resistant oil seal piece (4) is limited between the inner retainer ring (7) and the outer retainer ring (8).

4. The plane bearing for shock absorber of vehicle as claimed in claim 3, wherein the top surface of the friction plate (3) has a concave upper groove (9), and the bottom surface of the friction plate (3) has a concave lower groove (10).

5. The flat bearing for shock absorber of vehicle as claimed in claim 4, wherein the top surface of the friction plate (3) has an upper protruding ring (11) having a ring shape and located in the upper groove (9), the height of the upper protruding ring (11) is smaller than the groove depth of the upper groove (9), the bottom surface of the friction plate (3) has a lower protruding ring (12) having a ring shape and located in the lower groove (10), the height of the lower protruding ring (12) is smaller than the groove depth of the lower groove (10).

6. The flat bearing for shock absorber of vehicle as claimed in claim 5, wherein the bottom surface of the lower cover (2) has a ring-shaped recessed annular groove (13).

7. The flat bearing for the automobile shock absorber according to claim 6, wherein the outer wall of the upper cover (1) has a cylindrical covering edge (14) extending toward the lower cover (2), the inner wall of the covering edge (14) has a fastening edge (15) protruding inward and having a conical ring shape, the outer wall of the lower cover (2) has a clamping edge (16) having a cylindrical shape and located in the covering edge (14), and the outer wall of the clamping edge (16) has a collar (17) protruding radially outward and having a conical ring shape.