CN211082544U - Ball pin assembly for compensating clearance - Google Patents
Ball pin assembly for compensating clearance Download PDFInfo
- Publication number
- CN211082544U CN211082544U CN201921610273.2U CN201921610273U CN211082544U CN 211082544 U CN211082544 U CN 211082544U CN 201921610273 U CN201921610273 U CN 201921610273U CN 211082544 U CN211082544 U CN 211082544U
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- China
- Prior art keywords
- blind hole
- ball seat
- ball stud
- lash
- round pin
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Abstract
The utility model relates to a compensation clearance's bulb round pin assembly, including casing, bulb round pin main part and lower ball seat, the vertical installation blind hole that upwards has seted up in bottom of casing, the positioning hole who supplies connecting portion to wear out is seted up to the lateral wall of installation blind hole, bulb round pin main part includes bulb portion and connecting portion, the rotation of bulb round pin main part install in down between ball seat and the casing, the top of bulb portion and the inner wall of casing are laminated each other, the top circumference interval of lower ball seat is equipped with the elasticity recess. The utility model discloses have and to compensate the clearance automatically, reduced the displacement volume of bulb round pin at carrying out the pivoted in-process for the rotation more stable effect of bulb round pin.
Description
Technical Field
The utility model belongs to the technical field of the technique of bulb round pin and specifically relates to a bulb round pin assembly in compensation clearance is related to.
Background
The ball pin assembly is widely applied to key components of a steering pull rod of an automobile steering system, a control arm of an automobile suspension system and the like. Early wear loosening of the ball pin or socket is the primary failure mode of the ball pin assembly. At present, the ball seat of the known ball stud assembly is designed with two types of materials, namely non-metal and metal. The non-metal ball seat is made of nylon, polyurethane, polyester elastomer and other synthetic resin with elasticity and lubricating effect, and may be used in car and light vehicle to compensate some wear gap in small amount. The metal ball seat generally adopts case hardening steel, powder metallurgy etc to the cooperation adopts coil spring to carry out the precompression and compensates ball seat wearing and tearing, mainly used passenger train and truck, but this structure axial dimension is big, and when load is great, coil spring compressed, causes the ball round pin axial displacement big, and the operating stability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bulb round pin assembly in compensation clearance has can the automatic compensation clearance, has reduced the displacement volume of bulb round pin at carrying out the pivoted in-process for the more stable effect of rotation of bulb round pin.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a bulb round pin assembly in compensation clearance, includes casing, bulb round pin main part and lower ball seat, the vertical installation blind hole that upwards has seted up in bottom of casing, the positioning hole who supplies connecting portion to wear out is seted up to the lateral wall of installation blind hole, bulb round pin main part includes bulb portion and connecting portion, bulb round pin main part rotatory install in between ball seat and the casing down, the top of bulb portion and the inner wall of casing laminate each other, the top circumference interval of ball seat is equipped with the elastic groove down.
Through adopting above-mentioned technical scheme, lower ball seat adopts elastic material to make, and through seting up the elastic groove at lower ball seat top for lower ball seat can have stronger elasticity, and the elasticity automatic compensation bulb round pin main part that can have through lower ball seat when the bulb round pin carries out the pivoted in-process in the casing rotates the clearance that produces between in-process and the casing, thereby has reduced the displacement volume of bulb round pin at carrying out the pivoted in-process, makes the rotation of bulb round pin more stable, has promoted the stability of operation.
The utility model discloses further set up to: the top of the mounting blind hole is attached to the side wall of the ball head, the top of the lower ball seat is provided with a positioning groove, and the side wall of the positioning groove is attached to the side wall of the ball head.
Through adopting above-mentioned technical scheme, set up the installation blind hole in the bottom of casing, and set up positioning groove at the top of ball seat down to make the lateral wall of bulb round pin main part can laminate completely with the lateral wall of casing and the lateral wall of ball seat down, further promoted the stability of bulb round pin main part at the rotation in-process, and through and the casing between the rigid connection, make bulb round pin assembly can satisfy the torsion requirement.
The utility model discloses further set up to: the lateral wall of positioning hole is provided with the direction inclined plane, works as connecting portion rotate to when direction inclined plane department, to the direction inclined plane the lateral wall with the lateral wall of connecting portion laminates each other.
Through adopting above-mentioned technical scheme, increased connecting portion when rotatory to furthest and positioning hole between area of contact to reduced the pressure between connecting portion and the positioning hole, thereby reduced connecting portion and positioning hole and taken place the probability that warp and damage, promoted the life of bulb round pin assembly to a certain extent.
The utility model discloses further set up to: the outside cover of connecting portion is equipped with the cushion collar.
Through adopting above-mentioned technical scheme, establish the cushion collar at the outside cover of connecting portion to further reduced the impact that the bulb round pin main part produced between pivoted in-process and casing, thereby further promoted the life of bulb round pin assembly to a certain extent.
The utility model discloses further set up to: the installation blind hole is kept away from one side of positioning hole has seted up the locking blind hole, the aperture of locking blind hole is greater than the aperture of installation blind hole, the locking blind hole with form the locking plane between the installation blind hole, be provided with the shrouding on the locking plane, the shrouding is fixed in through riveting soon on the locking plane.
Through adopting above-mentioned technical scheme, fix a position simple structure, simple to operate through the shrouding between bulb round pin main part and the casing.
The utility model discloses further set up to: the bottom that the shrouding is located the bulb portion is provided with a kink.
Through adopting above-mentioned technical scheme for there is sufficient interval between the bulb portion can and the shrouding, has reduced the probability that bulb round pin main part takes place to interfere between pivoted in-process and the shrouding, and has reduced the volume of casing, has reduced the material consumption of casing, to a certain extent the cost is reduced, has promoted the performance of enterprises.
The utility model discloses further set up to: the bottom of ball seat down is provided with the location bulge loop, the bottom of location bulge loop with the shrouding is laminated each other.
Through adopting above-mentioned technical scheme, can further promote the elasticity that the ball seat had down through the location bulge loop to the compensation power that the ball seat had down has been promoted.
The utility model discloses further set up to: the positioning convex ring is coaxially provided with at least one positioning convex ring.
Through adopting above-mentioned technical scheme, further promoted the compensatory power of ball seat down.
The utility model discloses further set up to: the lower ball seat is fixedly connected with the sealing plate.
Through adopting above-mentioned technical scheme, set up through the vulcanization integral type between lower ball seat and the shrouding to make shrouding and lower ball seat can carry out the synchronous installation at the in-process of installation, simple structure, and it is more convenient to install.
To sum up, the utility model discloses a beneficial technological effect does:
1. the ball stud assembly for compensating the clearance has the advantages that the clearance can be automatically compensated by arranging the shell, the ball stud main body and the lower ball seat, the displacement of the ball stud in the rotating process is reduced, and the ball stud can rotate more stably;
2. the utility model has the advantages that the impact force between the connecting part and the shell is further reduced by arranging the buffer sleeve;
3. above-mentioned utility model through setting up the location bulge loop, have the effect that has further promoted the compensation power of ball seat down.
Drawings
FIG. 1 is a schematic sectional view of the structure of example 1.
Fig. 2 is a sectional view schematically showing the lower ball seat of example 1.
FIG. 3 is a schematic sectional view showing the structure of example 2.
In the figure, 1, a housing; 11. installing blind holes; 12. positioning the through hole; 13. a guide slope; 14. locking the blind hole; 141. a locking plane; 15. closing the plate; 151. a bending section; 2. a ball stud body; 21. a ball head portion; 22. a connecting portion; 221. a buffer sleeve; 3. a dust cover; 31. a ferrule; 4. a ball seat is arranged; 41. a positioning groove; 42. positioning the convex ring; 43. an elastic groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, a gap-compensating ball stud assembly includes a housing 1, a ball stud body 2, a dust cover 3, and a lower ball seat 4.
The bottom of the shell 1 is vertically upwards provided with a blind mounting hole 11, the side wall of the blind mounting hole 11 is provided with a positioning through hole 12, and the side wall of the positioning through hole 12 is provided with a guide inclined plane 13. The installation blind hole 11 is kept away from the one side of positioning through hole 12 and is seted up locking blind hole 14, and the aperture of locking blind hole 14 is greater than the aperture of installation blind hole 11, forms locking plane 141 between locking blind hole 14 and the installation blind hole 11, is provided with shrouding 15 on the locking plane 141, and shrouding 15 is fixed in on the locking plane 141 through riveting soon. The sealing plate 15 is provided with a bending portion 151 at the bottom of the ball head portion 21. In this embodiment, the material of the case 1 is 45 steel.
The bottom cover of the dust cover 3 is arranged at the top of the shell 1, the top cover of the dust cover 3 is arranged at the outer side of the ball stud main body 2, and a ferrule 31 for fixing the dust cover 3 with the shell 1 and the ball stud main body 2 is arranged at the outer side of the dust cover 3.
Referring to fig. 1 and 2, a positioning groove 41 is formed at the top of the lower ball seat 4, a positioning protruding ring 42 is arranged at the bottom of the lower ball seat 4, the bottom of the positioning protruding ring 42 is attached to the sealing plate 15, and at least one positioning protruding ring 42 is coaxially arranged. The surface of the positioning groove 41 is circumferentially provided with elastic grooves 43 at intervals. In this embodiment, the number of the elastic grooves 43 is six, and the distances between the adjacent elastic grooves 43 are the same, and the lower ball seat 4 is a non-foamed product made of polyurethane.
The ball stud body 2 comprises a ball head portion 21 and a connecting portion 22, the ball stud body 2 is rotatably installed between the lower ball seat 4 and the shell 1, the top of the installation blind hole 11 is mutually attached to the side wall of the ball head portion 21, the side wall of the positioning groove 41 is attached to the side wall of the ball head portion 21, the outer side of the connecting portion 22 is sleeved with a buffer sleeve 221, and when the connecting portion 22 rotates to the guide inclined plane 13, the side wall of the guide inclined plane 13 is mutually attached to the side wall of the connecting portion 22. In this embodiment, the ball stud body 2 is made of 40Cr steel, and the ball stud body 2 and the housing 1 are rigidly fitted to each other.
Example 2
In this embodiment, the structure between the lower ball seat 4 and the sealing plate 15 is the same as that of embodiment 1 except that the structure is different from that of embodiment 1. The lower ball seat 4 is fixedly connected with the closing plate 15. In this embodiment, set up through the vulcanization integral type between ball seat 4 and the shrouding 15 down to make shrouding 15 and lower ball seat 4 can carry out the synchronous installation at the in-process of installation, it is more convenient to install.
The use principle of the embodiment is as follows: lower ball seat 4 adopts elastic material to make, and through seting up the elastic groove 43 at 4 tops of ball seat down, make ball seat 4 can have stronger elasticity down, carry out the elasticity automatic compensation bulb round pin main part 2 that pivoted in-process can have through lower ball seat 4 in casing 1 and rotate the clearance that produces between in-process and casing 1 when the bulb round pin, thereby reduced the displacement volume of bulb round pin at the in-process that carries out the pivoted, make the rotation of bulb round pin more stable, the stability of operation has been promoted.
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 (9)
1. A clearance-compensating ball stud assembly includes a housing (1) and a ball stud body (2), the ball stud body (2) including a ball head portion (21) and a connecting portion (22), characterized in that: still include ball seat (4) down, installation blind hole (11) have been seted up to the vertical upwards in bottom of casing (1), positioning hole (12) that supply connecting portion (22) to wear out are seted up to the lateral wall of installation blind hole (11), bulb round pin main part (2) rotatory install in down between ball seat (4) and casing (1), the top of bulb portion (21) and the inner wall of casing (1) laminate each other, elastic groove (43) are seted up to the top circumference interval of ball seat (4) down.
2. A lash-compensating ball stud assembly, as claimed in claim 1, wherein: the top of installation blind hole (11) with the lateral wall of bulb portion (21) laminates each other, positioning groove (41) have been seted up at the top of lower ball seat (4), the lateral wall of positioning groove (41) with the lateral wall laminating of bulb portion (21).
3. A lash-compensating ball stud assembly, as claimed in claim 2, wherein: the lateral wall of positioning hole (12) is provided with direction inclined plane (13), works as connecting portion (22) rotate extremely when direction inclined plane (13) department, the lateral wall of direction inclined plane (13) with the lateral wall of connecting portion (22) is laminated each other.
4. A lash-compensating ball stud assembly according to claim 3 wherein: the outer side of the connecting part (22) is sleeved with a buffer sleeve (221).
5. A lash-compensating ball stud assembly, as claimed in claim 1, wherein: installation blind hole (11) are kept away from locking blind hole (14) have been seted up to one side of positioning hole (12), the aperture of locking blind hole (14) is greater than the aperture of installation blind hole (11), locking blind hole (14) with form locking plane (141) between installation blind hole (11), be provided with shrouding (15) on locking plane (141), shrouding (15) are fixed in through revolving the riveting on locking plane (141).
6. A lash-compensating ball stud assembly, as claimed in claim 5, wherein: the sealing plate (15) is provided with a bending part (151) at the bottom of the ball head part (21).
7. A lash-compensating ball stud assembly, as claimed in claim 5, wherein: the bottom of ball seat (4) is provided with location bulge loop (42), the bottom of location bulge loop (42) with shrouding (15) are laminated each other.
8. A lash-compensating ball stud assembly according to claim 7, wherein: the positioning convex ring (42) is coaxially provided with at least one.
9. A lash-compensating ball stud assembly, as claimed in claim 5, wherein: the lower ball seat (4) is fixedly connected with the closing plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610273.2U CN211082544U (en) | 2019-09-25 | 2019-09-25 | Ball pin assembly for compensating clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921610273.2U CN211082544U (en) | 2019-09-25 | 2019-09-25 | Ball pin assembly for compensating clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082544U true CN211082544U (en) | 2020-07-24 |
Family
ID=71623076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921610273.2U Active CN211082544U (en) | 2019-09-25 | 2019-09-25 | Ball pin assembly for compensating clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211082544U (en) |
-
2019
- 2019-09-25 CN CN201921610273.2U patent/CN211082544U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ball pin assembly for compensating clearance Effective date of registration: 20220720 Granted publication date: 20200724 Pledgee: Bank of Communications Co.,Ltd. Ningbo Fenghua sub branch Pledgor: Zhejiang Ruitai Suspension System Technology Ltd. Registration number: Y2022330001456 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230518 Granted publication date: 20200724 Pledgee: Bank of Communications Co.,Ltd. Ningbo Fenghua sub branch Pledgor: Zhejiang Ruitai Suspension System Technology Ltd. Registration number: Y2022330001456 |