CN209586942U - A kind of bulb pin assembly of automatic compensation gap - Google Patents
A kind of bulb pin assembly of automatic compensation gap Download PDFInfo
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- CN209586942U CN209586942U CN201920009378.6U CN201920009378U CN209586942U CN 209586942 U CN209586942 U CN 209586942U CN 201920009378 U CN201920009378 U CN 201920009378U CN 209586942 U CN209586942 U CN 209586942U
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- ball base
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- base
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Abstract
The utility model relates to a kind of bulb pin assemblies of automatic compensation gap, including ball pin, shell, upper ball base and lower ball base；The bulb of the ball pin is in the mounting groove of the shell；The upper ball base and the lower ball base are open annular structure, it is respectively in the mounting groove and is sleeved at the position of upper and lower part of ball pin bulb periphery, and the upper ball base and the lower ball base most start under the action of bulb axial force in the state of outside spreading so that gapless between the upper ball base and the lower ball base and the bulb of the ball pin；Gapless automatic compensating part between the upper ball base and the lower ball base and the bulb of the ball pin is demonstrate,proved when the bulb of the upper ball base, the lower ball base and the ball pin wears subsequent continuation of insurance being additionally provided in the mounting groove.The ball stud assembly structure solves the problems, such as the problems such as bulb pin assembly bulb or ball seat wear automatic-compensation and bulb pin assembly axial dimension are big, ball pin axial displacement is big, and control stability is poor.
Description
Technical field
The utility model relates to automotive steering structure fields, and in particular to a kind of bulb pin assembly of automatic compensation gap.
Background technique
Bulb pin assembly is widely used in the steering linkage of automobile steering system, the keys such as control arm of automobile suspension system
In component.Ball pin or ball seat premature wear loosen, and are the dominant failure modes of bulb pin assembly.Currently, well known ball stud is total
There is nonmetallic, metal two types material at ball seat design.Nonmetallic ball seat generally uses nylon, polyurethane, polyester elastomer
Deng the synthetic resin with elasticity and lubricating action, some wearing clearances of compensation that can be a small amount of are mainly used for car and light-duty
Vehicle.Metal ball seat generally uses case-hardened steel, powder metallurgy etc., and cooperates and carry out precommpression using helical spring to compensate ball
Seat abrasion, is mainly used for car and truck, but this structure axial dimension is big, and when load is larger, helical spring is compressed,
Cause ball pin axial displacement big, control stability is poor.
Utility model content
In conclusion in order to solve the bulb pin assembly wear-compensating of metal ball socket structure and bulb pin assembly axial dimension
Greatly, the problems such as ball pin axial displacement is big, and control stability is poor, the technical problem to be solved by the utility model is to provide one kind certainly
The bulb pin assembly in dynamic compensation gap, which has the function of wear automatic-compensation while structure size is small, ball
It is small to sell axial displacement.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of ball stud of automatic compensation gap is total
At, including ball pin, shell, upper ball base and lower ball base；The bulb of the ball pin is in the mounting groove of the shell, the other end
Project upwardly to the outside of the shell；The upper ball base and the lower ball base can spreading and effects outward when being stress effect
To the open annular structure of contract when power reduces or disappears, it is respectively in the mounting groove and is sleeved on the ball pin ball
At the position of the upper and lower part of head periphery, and the upper ball base and the lower ball base most start the effect in bulb axial force
Down in the state of outside spreading so that gapless between the upper ball base and the lower ball base and the bulb of the ball pin；Described
The upper ball described in axial compression after the bulb abrasion of the upper ball base, the lower ball base and the ball pin is additionally provided in mounting groove
Seat and the lower ball base, and then continue to guarantee gapless between the upper ball base and the lower ball base and the bulb of the ball pin
Automatic compensating part.
The beneficial effects of the utility model are: solving the problems, such as bulb pin assembly wear automatic-compensation and bulb pin assembly axis
The problems such as big, ball pin axial displacement is big, and control stability is poor to size.
Based on the above technical solution, the utility model can also do following improvement:
Further, the automatic compensating part is butterfly spring, is sleeved on described in the top of the ball pin bulb and correspondence
At position above upper ball base, and the butterfly spring most starts to resist the mounting groove up and down under assembly rivet force effect
The upper surface of the inner wall at top and the upper ball base is simultaneously driven plain, and then is realized and worked as the upper ball base, the lower ball base and institute
Upper ball base and the lower ball base described in axial compression are sprung back after stating the bulb abrasion of ball pin.
It further, further include cover board；The cover board riveted is on the housing and the position of the corresponding installation trench bottom
Place, and the cover board passes sequentially through the lower ball base, the ball pin and the upper ball base and flattens the butterfly spring.
Further, the automatic compensating part is butterfly spring, is sleeved on described in the lower part of the ball pin bulb and correspondence
At position below lower ball base, and the butterfly spring most starts to resist the mounting groove up and down under assembly rivet force effect
The lower end surface of the inner wall of bottom and the lower ball base is simultaneously driven plain, and then is realized and worked as the upper ball base, the lower ball base and institute
Upper ball base and the lower ball base described in axial compression are sprung back after stating the bulb abrasion of ball pin.
It further, further include cover board；The cover board riveted is on the housing and the position of the corresponding installation trench bottom
Place, and the cover board flattens the butterfly spring.
Further, the upper ball base and the lower ball base are the cyclic structure equipped with opening, logical in stress effect
Cross that the opening swells and when active force reduces or disappears is become smaller by the opening and realizes outside spreading or to contract.
Beneficial effect using above-mentioned further scheme is: replacing the spiral bullet in traditional bulb pin assembly with butterfly spring
Spring, while radially opening a sulculus in upper ball base and lower ball base and being open, the circular ring structure of ball upper ball base and lower ball base is become into c-type
Meeting radial contraction when structure, upper ball base and lower ball base can be radially expanded in axially loaded, axial force is reduced, to keep upper ball
The intimate contact of seat and lower ball base spherical surface and ball pin.
It further, further include lubricating cup；The lubricating cup is mounted on the side wall of the shell and for into the mounting groove
Inject lubricating oil.
Further, the inner wall of the upper ball base and the lower ball base is equipped with the oil for introducing the lubricating oil in the mounting groove
Slot.
Further, the oil groove is helical structure.
It further, further include dust cover；The lower end of the dust cover is fixed on the position of the shell upper end by clip
Place, the upper end are fixed in the ball pin corresponding after the periphery of the ball pin is along the extending axially a substantial distance of the ball pin
Position at, and then the bulb of the ball pin is enclosed in the mounting groove.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is the structure chart of upper ball base or lower ball base.
In attached drawing, parts list represented by the reference numerals are as follows:
1, ball pin, 2, shell, 3, upper ball base, 4, lower ball base, 5, butterfly spring, 6, cover board, 7, opening, 8, lubricating cup, 9, oil
Slot, 10, dust cover, 11, clip.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment one
As shown in Figure 1, a kind of bulb pin assembly of automatic compensation gap, including ball pin 1, shell 2, upper ball base 3 and lower ball
Seat 4.The bulb of the ball pin 1 is in the mounting groove of the shell 2, and the other end projects upwardly to the outside of the shell 2.
The upper ball base 3 and the lower ball base 4 are the cyclic structure equipped with opening 7, swollen by the opening 7 in stress effect
Become smaller when big and active force reduces or disappears by the opening 7 and realizes outside spreading or to contract.The upper ball base 3 and institute
Lower ball base 4 is stated to be respectively in the mounting groove and be sleeved at the position of upper and lower part of the 1 bulb periphery of ball pin, and
And the upper ball base 3 and the lower ball base 4 most start bulb it is axial you under the action of in the state of outside spreading so that described
Gapless between upper ball base 3 and the lower ball base 4 and the bulb of the ball pin 1.It is additionally provided in the mounting groove on described
Upper ball base 3 and the lower ball base 4 described in axial compression after the bulb abrasion of ball seat 3, the lower ball base 4 and the ball pin 1, into
And continue to guarantee gapless automatic compensating part between the upper ball base 3 and the lower ball base 4 and the bulb of the ball pin 1.Institute
Stating automatic compensating part is butterfly spring 5, is sleeved on the position on the top of 1 bulb of ball pin and corresponding 3 top of the upper ball base
Place is set, and the butterfly spring 5 most starts to resist the inner wall at the top of the mounting groove up and down under the action of assembling rivet force
With the upper surface of the upper ball base 3 and be driven plain, and then realize and work as the upper ball base 3, the lower ball base 4 and the ball pin 1
Bulb abrasion after spring back axial compression described in upper ball base 3 and the lower ball base 4.
The ball stud assembly structure further includes cover board 6, lubricating cup 8 and dust cover 10.6 riveted of cover board is in the shell 2
At the position of the upper and corresponding installation trench bottom, and the cover board 6 passes sequentially through the lower ball base 4, the ball pin 1 and institute
Upper ball base 3 is stated to flatten the butterfly spring 5.As shown in Fig. 2, the upper ball base 3 and the lower ball base 4 are to be equipped with opening 7
Cyclic structure (similar c-type structure), becoming larger or becoming smaller and realize outside spreading or to contract by the opening 7.Institute
Lubricating cup 8 is stated to be mounted on the side wall of the shell 2 and for injecting lubricating oil into the mounting groove.The upper ball base 3 and institute
The inner wall for stating lower ball base 4 is equipped with the oil groove 9 for introducing the lubricating oil in the mounting groove, and the oil groove 9 is helical structure.It is described
The lower end of dust cover 10 is fixed at the position of 2 upper end of shell by clip 11, outer periphery of the upper end in the ball pin 1
Be fixed in the ball pin 1 at corresponding position after extending axially a substantial distance for the ball pin 1, and then by the ball pin 1
Bulb be enclosed in the mounting groove.
When assembly, butterfly spring 5, upper ball base 2 are fitted into shell 2 first, are reloaded into ball pin 1, lower ball base 4, lid
Plate 6, and upper ball base 2,4 outer circle of lower ball base and 2 inner circle of shell have slightly gap.By the way that cover board 6 is assembled riveting in 2 bottom of shell
It closes, the power for being pressed in the riveting side of 2 bottom of shell on cover board 6 passes sequentially through lower ball base 4, ball pin 1, upper ball base 2 and is transmitted to butterfly bullet
Spring 5 flattens butterfly spring 5, while the radial slightly spreading of the opening 7 on the upper ball base 3 of c-type, lower ball base 4, by upper ball base 2,
The outer circle of lower ball base 4 and 2 inner circle gap of shell are eliminated.Even if ball pin 1 will not be generated larger by biggish load when use
Axially or radially displacement, ensure that the stability of manipulation.
After the contact surface (bulb) of upper ball base 3, lower ball base 4 and ball pin 1 is worn in use, upper ball base 3, lower ball
Axially and radially gap is generated between seat 4 and ball pin 1, and compressed butterfly spring 5 is sprung back at this time, by upper ball base 3, lower ball base
4 axially downwardly press to the bulb of ball pin 1, while 7 radial contraction of opening on the upper ball base 2 of c-type structure, lower ball base 4, make ball
The Internal Spherical Surface holding of seat 3, lower ball base 4 is contacted with the bulb of ball pin 1, is eliminated axial direction, radial clearance, be ensure that bulb pin assembly
The stability of manipulation.
Embodiment two
The butterfly spring 5 is arranged at the position between the cover board 6 and the lower ball base 4, it is specific as follows: described
Butterfly spring 5 is sleeved at the position of the lower part of 1 bulb of ball pin and corresponding 4 lower section of the lower ball base, and the butterfly
Spring 5 most starts the inner wall i.e. cover board 6 and the lower ball base 4 that resist the installation trench bottom up and down under assembly rivet force effect
Lower end surface and be driven plain, and then realize when the upper ball base 3, the lower ball base 4 and the ball pin 1 bulb abrasion after time
Play upper ball base 3 and the lower ball base 4 described in axial compression.6 riveted of cover board is on the shell 2 and corresponds to the mounting groove
At the position of bottom, and the cover board 6 flattens the butterfly spring 5.Other structures are the same as example 1.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of bulb pin assembly of automatic compensation gap, which is characterized in that including ball pin (1), shell (2), upper ball base (3) and
Lower ball base (4)；The bulb of the ball pin (1) is in the mounting groove of the shell (2), and the other end projects upwardly to the shell
The outside of body (2)；The upper ball base (3) and the lower ball base (4) can spreading and active force reductions outward when being stress effect
Or it is respectively in the mounting groove to the open annular structure of contract when disappearing and is sleeved on the ball pin (1) bulb
At the position of the upper and lower part of periphery, and the upper ball base (3) and the lower ball base (4) most start in bulb axial force
The lower state for being in outside spreading of effect is so that between the upper ball base (3) and the lower ball base (4) and the bulb of the ball pin (1)
Gapless；The bulb when the upper ball base (3), the lower ball base (4) and the ball pin (1) is additionally provided in the mounting groove
Upper ball base described in axial compression (3) and the lower ball base (4) after abrasion, so continue to guarantee the upper ball base (3) and it is described under
Gapless automatic compensating part between ball seat (4) and the bulb of the ball pin (1).
2. the bulb pin assembly of automatic compensation gap according to claim 1, which is characterized in that the automatic compensating part is butterfly
Shape spring (5) is sleeved at the position above the top of the ball pin (1) bulb and the corresponding upper ball base (3), and institute
Butterfly spring (5) is stated most to start to resist the inner wall and the upper ball base at the top of the mounting groove up and down under assembly rivet force effect
(3) upper surface is simultaneously driven plain, and then realizes the ball for working as the upper ball base (3), the lower ball base (4) and the ball pin (1)
Upper ball base (3) and the lower ball base (4) described in axial compression are sprung back after head abrasion.
3. the bulb pin assembly of automatic compensation gap according to claim 2, which is characterized in that further include cover board (6)；It is described
Cover board (6) riveted is on the shell (2) and at the position of the corresponding installation trench bottom, and the cover board (6) successively leads to
The lower ball base (4), the ball pin (1) and the upper ball base (3) is crossed to flatten the butterfly spring (5).
4. the bulb pin assembly of automatic compensation gap according to claim 1, which is characterized in that the automatic compensating part is butterfly
Shape spring (5) is sleeved at the position below the lower part of the ball pin (1) bulb and the corresponding lower ball base (4), and institute
It states butterfly spring (5) and most starts the inner wall and the lower ball base that resist the installation trench bottom up and down under assembly rivet force effect
(4) lower end surface is simultaneously driven plain, and then realizes the ball for working as the upper ball base (3), the lower ball base (4) and the ball pin (1)
Upper ball base (3) and the lower ball base (4) described in axial compression are sprung back after head abrasion.
5. the bulb pin assembly of automatic compensation gap according to claim 4, which is characterized in that further include cover board (6)；It is described
Cover board (6) riveted is on the shell (2) and at the position of the corresponding installation trench bottom, and the cover board (6) will be described
Butterfly spring (5) flattens.
6. the bulb pin assembly of automatic compensation gap according to claim 1, which is characterized in that the upper ball base (3) and institute
Stating lower ball base (4) is the cyclic structure equipped with opening (7), swells and acts on by the opening (7) in stress effect
Power, which reduces or become smaller when disappearing by the opening (7), realizes outside spreading or to contract.
7. the bulb pin assembly of automatic compensation gap according to claim 1, which is characterized in that further include lubricating cup (8)；It is described
Lubricating cup (8) is mounted on the side wall of the shell (2) and for injecting lubricating oil into the mounting groove.
8. the bulb pin assembly of automatic compensation gap according to claim 7, which is characterized in that the upper ball base (3) and institute
The inner wall for stating lower ball base (4) is equipped with the oil groove (9) for introducing the lubricating oil in the mounting groove.
9. the bulb pin assembly of automatic compensation gap according to claim 8, which is characterized in that the oil groove (9) is spiral
Structure.
10. according to claim 1 to the bulb pin assembly of any one of 9 automatic compensation gaps, which is characterized in that further include preventing
Dust hood (10)；The lower end of the dust cover (10) is fixed at the position of the shell (2) upper end by clip (11), the upper end
It is fixed on the ball pin (1) after the periphery of the ball pin (1) is along the extending axially a substantial distance of the ball pin (1) corresponding
Position at, and then the bulb of the ball pin (1) is enclosed in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009378.6U CN209586942U (en) | 2019-01-03 | 2019-01-03 | A kind of bulb pin assembly of automatic compensation gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009378.6U CN209586942U (en) | 2019-01-03 | 2019-01-03 | A kind of bulb pin assembly of automatic compensation gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586942U true CN209586942U (en) | 2019-11-05 |
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ID=68350939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920009378.6U Active CN209586942U (en) | 2019-01-03 | 2019-01-03 | A kind of bulb pin assembly of automatic compensation gap |
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| Country | Link |
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| CN (1) | CN209586942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630540A (en) * | 2019-01-03 | 2019-04-16 | 广西鸣新底盘部件有限公司 | A kind of bulb pin assembly of automatic compensation gap |
| CN113775639A (en) * | 2021-08-30 | 2021-12-10 | 岚图汽车科技有限公司 | Novel split ball pin |
| CN116753892A (en) * | 2023-08-24 | 2023-09-15 | 苏州托克斯冲压设备有限公司 | Detection device for axial clearance of ball pin |
-
2019
- 2019-01-03 CN CN201920009378.6U patent/CN209586942U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630540A (en) * | 2019-01-03 | 2019-04-16 | 广西鸣新底盘部件有限公司 | A kind of bulb pin assembly of automatic compensation gap |
| CN109630540B (en) * | 2019-01-03 | 2024-05-14 | 广西鸣新底盘部件有限公司 | Ball pin assembly capable of automatically compensating clearance |
| CN113775639A (en) * | 2021-08-30 | 2021-12-10 | 岚图汽车科技有限公司 | Novel split ball pin |
| CN113775639B (en) * | 2021-08-30 | 2023-01-31 | 岚图汽车科技有限公司 | Novel split ball pin |
| CN116753892A (en) * | 2023-08-24 | 2023-09-15 | 苏州托克斯冲压设备有限公司 | Detection device for axial clearance of ball pin |
| CN116753892B (en) * | 2023-08-24 | 2023-11-10 | 苏州托克斯冲压设备有限公司 | Detection device for axial clearance of ball pin |
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