CN211525323U - Ball pin assembly of joint bearing with integral structure - Google Patents
Ball pin assembly of joint bearing with integral structure Download PDFInfo
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- CN211525323U CN211525323U CN201922450559.5U CN201922450559U CN211525323U CN 211525323 U CN211525323 U CN 211525323U CN 201922450559 U CN201922450559 U CN 201922450559U CN 211525323 U CN211525323 U CN 211525323U
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- pin assembly
- round pin
- ball pin
- elastomer
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Abstract
The utility model relates to an overall structure joint bearing ball round pin assembly, including the joint ball round pin, the through-hole has been seted up at the both ends of joint ball round pin, joint ball round pin overcoat is equipped with the bearing housing, the outer anchor ring cover of bearing housing is equipped with the elastomer, the outer anchor ring interference of elastomer is connected with the cylinder metal covering. The utility model discloses have the compression elastomer, improve elastomer stability, the effect of reinforcing ball round pin assembly impact resistance force.
Description
Technical Field
The utility model belongs to the technical field of automobile parts's technique and specifically relates to an overall structure joint bearing ball round pin assembly is related to.
Background
The thrust rod assembly of the current heavy truck balanced rear suspension is an important part of a suspension system, wherein the joint ball pin assembly is particularly important, the service life of the joint ball pin assembly directly influences the service life of the whole truck, and if the joint ball pin assembly fails, the service life of an axle and a transmission system can be influenced even if the joint ball pin assembly is replaced in time.
The existing polyurethane joint ball pin assembly with the publication number of CN205130851U comprises a ball pin, a bearing shell matched with the ball pin, two outer rings, a polyurethane elastomer fixed in advance in cavities between the two outer rings and the bearing shell and between a virtual circumference for connecting the two outer rings and the bearing shell through hot-pressing pouring, and dust rings arranged on the two outer rings and the two side end faces of the polyurethane elastomer in an interference fit mode.
The above prior art solutions have the following drawbacks: the elastic body has a certain elasticity, and generates outward tension in a self-recognition state, and the elastic body is easily deformed without compression of the metal jacket, and has poor stability.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a be not enough to prior art exists, one of the purposes of the utility model is to provide an overall structure joint bearing ball round pin assembly, have the compression elastomer, improve the elastomer stability, the effect of reinforcing ball round pin assembly impact resistance.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the spherical pin assembly of the joint bearing with the integral structure comprises a spherical pin, through holes are formed in two ends of the spherical pin, a bearing shell is sleeved outside the spherical pin, an elastic body is sleeved on the outer ring surface of the bearing shell, and a cylindrical metal sleeve is connected to the outer ring surface of the elastic body in an interference mode.
Through adopting above-mentioned technical scheme, add in the elastomer outside and establish the cylinder metal covering, can carry out the precompression to the elastomer, increase the resilience effect of elastomer, and then improve the stability of elastomer, improve ball round pin assembly shock resistance's intensity.
The present invention may be further configured in a preferred embodiment as: and end covers are respectively arranged at two ends of the metal sleeve and are in interference fit with the metal sleeve.
By adopting the technical scheme, on one hand, the end cover can improve the sealing performance of the ball pin assembly and prevent dust from entering the bearing shell; on the other hand, the metal sleeve can be fixed, and the metal sleeve and the elastic body are prevented from slipping axially.
The present invention may be further configured in a preferred embodiment as: annular oil groove I and oil groove II are seted up to the inboard of bearing housing.
Through adopting above-mentioned technical scheme, the staff precoats molybdenum disulfide between joint ball round pin and bearing housing, and molybdenum disulfide plays lubricated effect, and bearing housing and joint ball round pin rotate each other, reduce the frictional resistance between joint ball round pin and the bearing housing, have put molybdenum disulfide in oil groove I and the oil groove II, further improve molybdenum disulfide's live time, have the better effect of lubricity.
The present invention may be further configured in a preferred embodiment as: the oil grooves I and II are distributed in a crossed mode and are communicated with each other.
Through adopting above-mentioned technical scheme, oil groove I and oil groove II cross distribution can improve bearing housing internal surface molybdenum disulfide's homogeneity.
The present invention may be further configured in a preferred embodiment as: the bearing shell is characterized in that two wavy annular convex strips are integrally formed on the outer annular surface of the bearing shell, and wavy annular grooves matched with the convex strips are integrally formed on the inner surface of the elastic body.
By adopting the technical scheme, when the elastomer is sleeved on the outer annular surface of the bearing shell, the convex strip can be clamped in the groove, so that the elastomer and the bearing shell are firmly connected, the axial slippage between the elastomer and the bearing shell is avoided, and the stability of the elastomer sleeved on the bearing shell is improved.
The present invention may be further configured in a preferred embodiment as: and two ends of the elastic body are provided with annular grooves.
Through adopting above-mentioned technical scheme, the ring channel can be to contradicting with the end cover, increases the area of contact of elastomer and end cover, improves the leakproofness.
The present invention may be further configured in a preferred embodiment as: one end of the metal sleeve is provided with an annular chamfer I.
By adopting the technical scheme, when the ball pin assembly is installed in the thrust rod shell, the chamfer I faces the thrust rod, so that the ball pin assembly can conveniently enter the thrust rod shell, and the friction force and the collision force between the ball pin assembly and the thrust rod shell are reduced.
The present invention may be further configured in a preferred embodiment as: and two ends of the through hole are provided with chamfers II.
Through adopting above-mentioned technical scheme, when the staff inserted the bolt in the through-hole, chamfer II had the operator of being convenient for and inserted the inside effect of through-hole with the bolt.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the cylindrical metal sleeve is additionally arranged on the outer side of the elastic body, so that the elastic body can be pre-compressed, the resilience of the elastic body is enhanced, the stability of the elastic body is further improved, and the strength of the impact resistance of the ball pin assembly is improved;
2. molybdenum disulfide is precoated between the joint ball pin and the bearing shell by workers, the molybdenum disulfide plays a role in lubrication, the bearing shell and the joint ball pin rotate mutually to reduce the frictional resistance between the joint ball pin and the bearing shell, and the molybdenum disulfide is stored in the oil groove I and the oil groove II to further improve the service time of the molybdenum disulfide and have a good lubricating effect;
3. when the elastomer is sleeved on the outer ring surface of the bearing shell, the convex strips can be clamped in the grooves, so that the elastomer and the bearing shell are firmly connected, the axial slippage between the elastomer and the bearing shell is avoided, and the stability of the elastomer sleeved on the bearing shell is improved.
Drawings
FIG. 1 is a schematic view of the entire structure of the embodiment;
FIG. 2 is a schematic cross-sectional view of the overall structure;
FIG. 3 is a schematic cross-sectional view of a bearing shell;
FIG. 4 is a schematic cross-sectional view of a polyurethane elastomer;
FIG. 5 is a schematic cross-sectional view of a metal sleeve;
fig. 6 is a schematic view of an end cap configuration.
In the figure, 1, a joint ball pin; 11. a through hole; 111. chamfering II; 2. a bearing housing; 21. a convex strip; 22. an oil groove I; 23. an oil groove II; 3. an elastomer; 31. a groove; 32. an annular groove; 4. a metal sheath; 41. chamfering I; 5. and (4) end covers.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses an overall structure joint bearing ball round pin assembly, including joint ball round pin 1, joint ball round pin 1 is the polyurethane material, and joint ball round pin 1's middle part is spherical, and both ends are massive structure and both ends and set up the through-hole 11 that runs through joint ball round pin. Chamfer II111 has been seted up at the both ends of through-hole 11, and chamfer II111 has the effect that is convenient for the operator to insert the bolt inside through-hole 11.
Referring to fig. 2 and 3, a spherical bearing shell 2 is sleeved at the middle part of the joint ball pin 1, the outer annular surface of the bearing shell 2 is cylindrical, the inner annular surface of the bearing shell 2 is spherical, and the shape of the inner side of the bearing shell 2 corresponds to the shape of the middle part of the joint ball pin 1. The bearing shell 2 is provided with annular oil grooves I22 and II23 on the inner surface, and the oil grooves I22 and II23 are intersected with each other. Molybdenum disulfide is coated in advance between joint ball round pin 1 and bearing housing 2, prestores molybdenum disulfide emollient in oil groove I22 and oil groove I22I simultaneously, and molybdenum disulfide plays the lubrication action, and joint ball round pin 1 rotates in bearing housing 2, reduces the frictional resistance between joint ball round pin 1 and the bearing housing 2.
Referring to fig. 2 and 4, the spherical elastic body 3 is vulcanized on the outer circumferential surface of the bearing housing 2, and the elastic body 3 is made of polyurethane. The elastic body 3 can play a role of buffering and protecting the joint ball pin 1.
Referring to fig. 3 and 4, two wavy annular protruding strips 21 are integrally formed on the outer circumferential surface of the bearing shell 2, and a wavy annular groove 31 adapted to the protruding strips 21 is integrally formed on the inner surface of the elastic body 3. The convex strip 21 is clamped in the groove 31, so that the axial slippage between the elastic body 3 and the bearing shell 2 is avoided, and the stability is improved.
Referring to fig. 2 and 5, the outer annular surface of the elastic body 3 is fitted with a metal sleeve 4 by interference fit. The metal sleeve 4 functions to pre-compress and fix the elastic body. One end of the metal sleeve 4 is provided with an annular chamfer I41. Chamfer I41 serves to facilitate entry of the ball pin assembly into the thrust rod housing.
Referring to fig. 2 and 6, end caps 5 are respectively arranged at two ends of the metal sleeve 4, and the end caps 5 are in interference fit with the metal sleeve 4. The end cover 5 can improve the sealing performance of the ball pin assembly and prevent dust from entering the bearing shell 2; on the other hand, the metal sleeve 4 can be fixed, and the metal sleeve 4 and the elastic body 3 are prevented from slipping axially.
Referring to fig. 4 and 6, the two ends of the elastic body 3 are both provided with annular grooves 32 which are abutted against the end caps 5. The contact area between the elastic body 3 and the end cover 5 is increased, and the sealing performance is improved.
The implementation principle of the embodiment is as follows: the outer side surface of the knuckle ball pin 1 and the inner surface of the bearing shell 2 are precoated with molybdenum disulfide lubricant by workers, and part of molybdenum disulfide is stored in an oil groove I22 and an oil groove II 23; then the bearing shell 2 is sleeved in the middle of the joint ball pin 1, and the joint ball pin 1 is arranged in the bearing shell 2 to rotate. And then the elastic body is arranged on the outer side of the bearing shell 2, the metal sleeve 4 is sleeved on the elastic body 3, and the end covers 5 are embedded into two ends of the metal sleeve 4, so that the assembling process is completed.
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 (8)
1. The utility model provides an overall structure joint bearing ball round pin assembly, includes joint ball round pin (1), through-hole (11) have been seted up at the both ends of joint ball round pin (1), joint ball round pin (1) overcoat is equipped with bearing housing (2), the outer anchor ring cover of bearing housing (2) is equipped with elastomer (3), its characterized in that: the outer annular surface of the elastic body (3) is connected with a cylindrical metal sleeve (4) in an interference manner.
2. The ball pin assembly of a unitary construction spherical plain bearing according to claim 1, wherein: and end covers (5) are respectively arranged at two ends of the metal sleeve (4), and the end covers (5) are in interference fit with the metal sleeve (4).
3. The ball pin assembly of a unitary construction spherical plain bearing according to claim 1, wherein: annular oil grooves I (22) and II (23) are formed in the inner side of the bearing shell (2).
4. A unitary construction spherical plain bearing pin assembly according to claim 3, wherein: the oil grooves I (22) and the oil grooves II (23) are distributed in a cross way and are communicated with each other.
5. The ball pin assembly of a unitary construction spherical plain bearing according to claim 1, wherein: the bearing shell is characterized in that two wavy annular convex strips (21) are integrally formed on the outer annular surface of the bearing shell (2), and wavy annular grooves (31) matched with the convex strips (21) are integrally formed on the inner surface of the elastic body (3).
6. The ball pin assembly of a unitary construction spherical plain bearing according to claim 2, wherein: annular grooves (32) are formed in the two ends of the elastic body (3).
7. The ball pin assembly of a unitary construction spherical plain bearing according to claim 1, wherein: one end of the metal sleeve (4) is provided with an annular chamfer I (41).
8. The ball pin assembly of a unitary construction spherical plain bearing according to claim 1, wherein: and chamfers II (111) are arranged at two ends of the through hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450559.5U CN211525323U (en) | 2019-12-30 | 2019-12-30 | Ball pin assembly of joint bearing with integral structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450559.5U CN211525323U (en) | 2019-12-30 | 2019-12-30 | Ball pin assembly of joint bearing with integral structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211525323U true CN211525323U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922450559.5U Active CN211525323U (en) | 2019-12-30 | 2019-12-30 | Ball pin assembly of joint bearing with integral structure |
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| CN (1) | CN211525323U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682419A (en) * | 2021-03-16 | 2021-04-20 | 长岛高能聚氨酯有限公司 | Aluminum joint ball pin assembly and production process thereof |
| CN114922896A (en) * | 2022-05-24 | 2022-08-19 | 成都望锦汽车部件有限公司 | Car ball pivot structure of two ball seats |
-
2019
- 2019-12-30 CN CN201922450559.5U patent/CN211525323U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682419A (en) * | 2021-03-16 | 2021-04-20 | 长岛高能聚氨酯有限公司 | Aluminum joint ball pin assembly and production process thereof |
| CN112682419B (en) * | 2021-03-16 | 2021-05-18 | 长岛高能聚氨酯有限公司 | Aluminum joint ball pin assembly and production process thereof |
| CN114922896A (en) * | 2022-05-24 | 2022-08-19 | 成都望锦汽车部件有限公司 | Car ball pivot structure of two ball seats |
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