CN220910235U

CN220910235U - Shock absorber bearing

Info

Publication number: CN220910235U
Application number: CN202322841848.4U
Authority: CN
Inventors: 张阳; 陈德民; 卓晋明; 王轶伟; 刘立文
Original assignee: Bahuan Technology Group Co ltd
Current assignee: Bahuan Technology Group Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-07
Anticipated expiration: 2033-10-23

Abstract

The utility model relates to the field of bearings, and particularly discloses a shock absorber bearing. The shock absorber bearing comprises a first bearing cover, a second bearing cover, a raceway ring, rolling bodies and a retainer, wherein an installation interval is formed between the first bearing cover and the second bearing cover; the first bearing cover comprises a first inner limit part, a first bearing part and a first outer limit part from inside to outside in the radial direction, and the second bearing cover comprises a second inner limit part, a second bearing part and a second outer limit part from inside to outside in the radial direction; the outer end face of the first bearing part is provided with first reinforcing ribs, and the inner end face of the first bearing part is provided with first mounting grooves; the inner end surface of the second bearing part is provided with a second mounting groove, and the outer end surface is a plane; and second reinforcing ribs are distributed on the bottom surface of the second mounting groove. The shock absorber bearing has the advantages of increasing the bearing capacity, being well adapted to various vehicle types and having low processing difficulty.

Description

Shock absorber bearing

Technical Field

The utility model relates to the field of bearings, in particular to a shock absorber bearing.

Background

The shock absorber is an important part of an automobile, is mainly used for a vehicle suspension system, can slow down or weaken impact and vibration caused by uneven road surfaces during running of the vehicle, and can provide support for resisting roll when passing through a curve. The damper bearing is one of the component parts of the damper and can function to carry and assist in rotation.

With the advent of new energy automobiles, the weight of new energy automobiles was greatly increased due to the addition of power batteries, as compared with conventional fuel-oil automobiles. The increase of the vehicle weight clearly presents a greater challenge to the bearing capacity of the shock absorber bearing, and the existing shock absorber bearing structure cannot meet the requirement of high bearing, and creep is extremely easy to occur under long-term use, so that the normal operation of the shock absorber is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the shock absorber bearing, which has the advantages of increased bearing capacity, capability of being well adapted to various vehicle types and low processing difficulty.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the shock absorber bearing comprises a first bearing cover, a second bearing cover, a raceway ring, rolling bodies and a retainer, wherein an installation interval is formed between the first bearing cover and the second bearing cover, and the raceway ring, the rolling bodies and the retainer are positioned in the installation interval;

The first bearing cover comprises a first inner limit part, a first bearing part and a first outer limit part from inside to outside in the radial direction, the second bearing cover comprises a second inner limit part, a second bearing part and a second outer limit part from inside to outside in the radial direction, the first inner limit part corresponds to the second inner limit part, the first bearing part corresponds to the second bearing part, and the first outer limit part corresponds to the second outer limit part;

The outer end face of the first bearing part is provided with first reinforcing ribs, and the inner end face of the first bearing part is provided with first mounting grooves;

The inner end surface of the second bearing part is provided with a second mounting groove, and the outer end surface is a plane; and second reinforcing ribs are distributed on the bottom surface of the second mounting groove.

The setting of first strengthening rib and second strengthening rib can improve the whole bearing capacity of shock absorber bearing to compare with the strengthening form of whole increase thickness, the coverage area of big thickness can be reduced to the strengthening rib form, reduces the degree of difficulty of processing.

Preferably, the inner end surface of the first inner limiting part is provided with a first inner limiting arm, the inner end surface of the second inner limiting part is provided with a second inner limiting arm, and a limiting hook is arranged between the first inner limiting arm and the second inner limiting arm. The first inner limiting arm and the second inner limiting arm play roles of axial limiting and lateral protection.

Preferably, the inner end surface of the first outer limiting part is provided with an annular protruding part, the inner end surface of the second outer limiting part is provided with an annular limiting groove, and the annular protruding part is inserted into the annular limiting groove. The cooperation of annular protruding portion and annular spacing groove plays the effect of side direction protection.

Preferably, a plurality of third reinforcing ribs are annularly distributed in the annular limiting groove, the third reinforcing ribs extend along the radial direction, and the third reinforcing ribs play a role in lateral reinforcement.

Preferably, the inner end surface of the first outer limiting part is further provided with an annular outer flange, and the annular limiting groove and the annular protruding part are both positioned in the annular outer flange.

Preferably, the outer end surface of the first outer limiting part is provided with a concave area, and the concave area is lower than the first bearing part and extends to the outer edge of the first bearing cover. The arrangement of the concave area can reduce the volume of the first bearing cover, and simultaneously avoid contact interference between matched metal pieces and the outer edge of the first bearing cover, thereby reducing the influence on the integral bearing condition of the first bearing cover.

Preferably, the first reinforcing rib comprises circumferential sections and radial sections, and at least two circumferential sections are concentrically distributed; the radial segments connect each circumferential segment in a radial direction.

Preferably, the radial segment extends inwardly to the inner edge of the first bearing cap.

Preferably, the second reinforcing rib comprises a main section and a secondary section, wherein the main section is annularly arranged along the second mounting groove and is positioned in the middle of the second mounting groove in the radial direction; the main section is provided with a plurality of base points along the annular shape, and the auxiliary section extends in a radial shape from the base points to two side surfaces of the second mounting groove.

Preferably, at least four secondary segments are connected to each base point, at least two of which are located inside the primary segment and at least two of which are located outside the primary segment.

Drawings

Fig. 1 is a schematic structural view of a shock absorber bearing of the present embodiment;

Fig. 2 is a sectional view of the shock absorber bearing of the present embodiment;

Fig. 3 is a view showing a state of use of the shock absorber bearing of the present embodiment;

fig. 4 is a schematic structural view of a first bearing cap in the shock absorber bearing of the present embodiment;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partial cross-sectional view of a first bearing cap in the shock absorber bearing of the present embodiment;

fig. 7 is a schematic structural view of a second bearing cover in the shock absorber bearing of the present embodiment;

fig. 8 is a partial enlarged view of a second bearing cover in the shock absorber bearing of the present embodiment;

fig. 9 is a partial cross-sectional view of the second bearing cover in the shock absorber bearing of the present embodiment.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Examples

As shown in fig. 1 to 3, a shock absorber bearing includes a first bearing cap 1, a second bearing cap 2, a raceway ring 3, rolling elements, and a cage, an installation section is formed between the first bearing cap 1 and the second bearing cap 2, and the raceway ring 3, the rolling elements, and the cage are located in the installation section.

As shown in fig. 4 to 9, the first bearing cover 1 includes a first inner limit portion 13, a first bearing portion 12 and a first outer limit portion 11 from inside to outside in a radial direction, the second bearing cover 2 includes a second inner limit portion 23, a second bearing portion 22 and a second outer limit portion 21 from inside to outside in a radial direction, the first inner limit portion 13 corresponds to the second inner limit portion 23, the first bearing portion 12 corresponds to the second bearing portion 22, and the first outer limit portion 11 corresponds to the second outer limit portion 21.

The end surface of the first bearing cap 1 facing the installation section is defined as an inner end surface, the end surface facing away from the installation section is defined as an outer end surface, and the end surface of the second bearing cap 2 facing the installation section is defined as an inner end surface, and the end surface facing away from the installation section is defined as an outer end surface.

As shown in fig. 4-9, the inner end surface of the first inner limiting portion 13 is provided with a first inner limiting arm 14, the inner end surface of the second inner limiting portion 23 is provided with a second inner limiting arm 24, and a limiting hook is arranged between the first inner limiting arm 14 and the second inner limiting arm 24. The first inner limiting arm 14 and the second inner limiting arm 24 play roles of axial limiting and lateral protection.

As shown in fig. 4 to 9, the inner end surface of the first outer limit part 11 is provided with an annular protruding part 16, the inner end surface of the second outer limit part 21 is provided with an annular limit groove 26, and the annular protruding part 16 is inserted into the annular limit groove 26. The cooperation of the annular projection 16 and the annular limiting groove 26 serves as lateral protection. A plurality of third reinforcing ribs 28 are annularly distributed in the annular limiting groove 26, the third reinforcing ribs 28 extend along the radial direction, and the arrangement of the third reinforcing ribs 28 plays a role in lateral reinforcement. The inner end surface of the first outer limiting part 11 is also provided with an annular outer flange 17, and the annular limiting groove 26 and the annular protruding part 16 are both positioned in the annular outer flange 17.

As shown in fig. 4 and 5, the outer end surface of the first outer limiting portion 11 is provided with a recessed area 18, and the recessed area 18 is lower than the first bearing portion 12 and extends to the outer edge of the first bearing cover 1. The arrangement of the concave area 18 can reduce the volume of the first bearing cover 1, and meanwhile, the contact interference between matched metal pieces and the outer edge of the first bearing cover 1 is avoided, so that the influence on the whole bearing condition of the first bearing cover 1 is reduced.

As shown in fig. 4-6, the outer end surface of the first bearing portion 12 is distributed with first reinforcing ribs 19, and the inner end surface is provided with first mounting grooves 15, wherein the first mounting grooves 15 are used for mounting the raceway ring 3. Specifically, the first reinforcing rib 19 includes at least two circumferential segments 191 and radial segments 192, where the circumferential segments 191 are concentrically distributed, and the radial segments 192 radially connect the circumferential segments 191. The radial segments 192 extend inwardly to the inner edge of the first bearing cap 1.

As shown in fig. 7-9, the inner end surface of the second bearing portion 22 is provided with a second mounting groove 25, the outer end surface is a plane, and second reinforcing ribs 27 are distributed on the bottom surface of the second mounting groove 25, wherein the second mounting groove 25 is used for mounting the raceway ring 3. Specifically, the second reinforcing rib 27 includes a main segment 272 and a sub segment 271, where the main segment 272 is disposed annularly along the second mounting groove 25 and is located in the middle of the second mounting groove 25 in the radial direction; the main section 272 has a plurality of base points 273 distributed along a ring shape, and the auxiliary sections 271 extend radially from the base points 273 to both sides of the second mounting groove 25.

The provision of the first reinforcing bead 19 and the second reinforcing bead 27 can improve the overall bearing capacity of the shock absorber bearing, and the reinforcing bead form can reduce the coverage area of a large thickness and reduce the difficulty of processing as compared with the reinforcing form of an overall increased thickness.

In summary, the foregoing description is only of the preferred embodiments of the utility model, and is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. The shock absorber bearing comprises a first bearing cover, a second bearing cover, a raceway ring, rolling bodies and a retainer, wherein an installation interval is formed between the first bearing cover and the second bearing cover, and the raceway ring, the rolling bodies and the retainer are positioned in the installation interval;

The method is characterized in that: the first bearing cover comprises a first inner limit part, a first bearing part and a first outer limit part from inside to outside in the radial direction, the second bearing cover comprises a second inner limit part, a second bearing part and a second outer limit part from inside to outside in the radial direction, the first inner limit part corresponds to the second inner limit part, the first bearing part corresponds to the second bearing part, and the first outer limit part corresponds to the second outer limit part;

2. The shock absorber bearing of claim 1 wherein: the inner end face of the first inner limiting part is provided with a first inner limiting arm, the inner end face of the second inner limiting part is provided with a second inner limiting arm, and a limiting hook is arranged between the first inner limiting arm and the second inner limiting arm.

3. The shock absorber bearing of claim 1 wherein: the inner end face of the first outer limiting part is provided with an annular protruding part, the inner end face of the second outer limiting part is provided with an annular limiting groove, and the annular protruding part is inserted into the annular limiting groove.

4. A shock absorber bearing according to claim 3, wherein: and a plurality of third reinforcing ribs are annularly distributed in the annular limiting groove, and extend along the radial direction.

5. A shock absorber bearing according to claim 3, wherein: the inner end face of the first outer limiting part is also provided with an annular outer flange, and the annular limiting groove and the annular protruding part are both positioned in the annular outer flange.

6. The shock absorber bearing of claim 1 wherein: the outer terminal surface of first outer spacing portion is equipped with the sunk area, the sunk area is less than first carrier part setting to extend to first bearing cap outer fringe.

7. The shock absorber bearing according to any of claims 1-6, wherein: the first reinforcing rib comprises circumferential sections and radial sections, wherein at least two circumferential sections are arranged concentrically; the radial segments connect each circumferential segment in a radial direction.

8. The shock absorber bearing of claim 7 wherein: the radial segment extends inwardly to the first bearing cap inner edge.

9. The shock absorber bearing according to any of claims 1-6, 8, wherein: the second reinforcing rib comprises a main section and an auxiliary section, and the main section is annularly arranged along the second mounting groove and is positioned in the middle of the second mounting groove in the radial direction; the main section is provided with a plurality of base points along the annular shape, and the auxiliary section extends in a radial shape from the base points to two side surfaces of the second mounting groove.

10. The shock absorber bearing of claim 9 wherein: each base point is at least connected with four auxiliary sections, at least two of the auxiliary sections are positioned on the inner side of the main section, and at least two auxiliary sections are positioned on the outer side of the main section.