CN201484486U - Automobile steering power-assisted cylinder ball joint assembly - Google Patents
Automobile steering power-assisted cylinder ball joint assembly Download PDFInfo
- Publication number
- CN201484486U CN201484486U CN2009201927635U CN200920192763U CN201484486U CN 201484486 U CN201484486 U CN 201484486U CN 2009201927635 U CN2009201927635 U CN 2009201927635U CN 200920192763 U CN200920192763 U CN 200920192763U CN 201484486 U CN201484486 U CN 201484486U
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- Prior art keywords
- ball
- bulb
- joint assembly
- ball head
- seat
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Abstract
The utility model discloses an automobile steering power-assisted cylinder ball joint assembly, which comprises a ball pin (1) with a ball head (3), a ball seat (2), a lower ball cup (4) and a bottom cover (5). The ball head (3) of the ball pin (1) is rotatably engaged with the inside of the ball seat (2); the bottom cover (5) tightly engaged with the inside of the ball seat (2) is positioned below the ball head (3); the lower ball cup (4) is positioned between the ball head (3) and the bottom cover (5); a hollow cavity body (32) is arranged inside the ball head (3); an oil hole (33) arranged at the bottom of the ball head (3) is communicated with the cavity body (32); and at least one lubricating hole (31) further arranged on the ball head (3) is communicated with the cavity body (32). By adopting the structure, the ball joint assembly greatly lightens the weight of the ball pin. In addition, lubricating oil is injected into the ball head cavity body through the oil hole in advance so as to strengthen wear resistance of a contact surface of the ball head, thereby prolonging the service life of the ball joint to a higher degree.
Description
Technical field
The utility model relates to the auto parts and components field, specifically is a kind of motor turning servo cylinder sphero-joint assembly that is used for rising when heavy motor vehicle second bridge turns to the push-and-pull reciprocating.
Background technology
The divert ball joint head assembly is the parts of a key in the automobile steering system, and especially in second bridge of heavy motor vehicle, the steering ball joint also plays the reciprocal effect of the push-and-pull of servo cylinder.At present, motor turning sphero-joint assembly commonly used mainly is made up of joint, ball end, dust boot, ball seat, following ball bowl, spring, bottom etc., the ball head of ball end is placed in the ball hole on the ball seat, bottom is a tight fit in the ball seat and is positioned at the below of bulb, one end of spring is against in the bottom, and the other end is against down on the ball bowl, makes down ball bowl and bulb form Elastic Contact, load onto dust boot at ball seat and bulb pin rod portion then, load onto joint at bulb pin rod afterbody.But there is following shortcoming in the sphero-joint assembly of this structure: because ball bowl, ball seat and ball end ball head all adopt rigid material to make down, there is Mismachining tolerance inevitably, thereby when bulb and ball seat or following ball bowl cooperation, there is tolerance clearance, abrasion differed when the contact surface inequality will cause using, enhance faster wear causes reduce the service life of whole sphero-joint assembly; Simultaneously, bulb is solid, Heavy Weight.
In addition, when automobile sport, the work-saving device of automobile is owing to the impulsive force that is subjected to from each side, the effect that makes the spring of holding ball end bulb part be subjected to opposite force easily makes spring breakage, perhaps make spring produce permanent deformation under the power effect for a long time, thereby make sphero-joint assembly generation abnormal sound and noise or cause early failure.
The utility model content
Technical problem to be solved in the utility model is, a kind of resistance to abrasion that strengthens bulb is provided, thus the motor turning servo cylinder sphero-joint assembly that can increase the service life.
For solving the problems of the technologies described above, the motor turning servo cylinder ball joint assembly that the utility model provides, comprise ball end, ball seat, following ball bowl and bottom with bulb, the bulb normal-running fit of described ball end is in ball seat, described bottom is a tight fit in the ball seat and is positioned at the below of bulb, and described the ball bowl is between bulb and bottom down, and described bulb inside is the cavity of hollow, the bulb bottom is provided with oilhole, and described oilhole communicates with cavity; Also be provided with at least one lubrication hole on the described bulb, described lubrication hole communicates with cavity.
After adopting above structure, the utility model compared with prior art has the following advantages: because bulb is a hollow, ball end weight is alleviated greatly; Lubricating oil is injected in the bulb cavity in advance by oilhole in addition, when bulb rotates in ball seat and following ball bowl, lubricating oil in the bulb cavity is thrown in the gap of bulb and ball seat or following ball bowl by lubrication hole, strengthen the resistance to abrasion of bulb contact surface, thereby prolonged the service life that ball connects more.
As improvement, described ball bowl down is that elastomeric material is made, and the upper inner surface and the bulb normal-running fit of following ball bowl, and the bottom of following ball bowl pushes against on bottom.After adopting this structure, because the following ball bowl that adopts elastomeric material to make makes ball end can not produce abnormal sound and noise after stressed, and can absorb the energy of stressed impact effectively, thereby increases the service life; Simultaneously, removed the spring in the original structure, overcome, alleviated the weight of whole ball joint assembly because fracture or the early failure that spring causes also reduced part.
As further improvement, described ball bowl down also has the following inside face symmetrical with upper inner surface.After adopting this structure, make down the ball bowl after upper inner surface uses wearing and tearing, change down inside face and install, thereby doubled service life for rotating contact surface.
Description of drawings
Fig. 1 is the structural representation of prior art motor turning servo cylinder sphero-joint assembly;
Fig. 2 is the structural representation of the utility model motor turning servo cylinder sphero-joint assembly.
Wherein: prior art: 1 ', ball end; 2 ', ball seat; 3 ', bulb; 4 ', following ball bowl; 5 ', bottom; 6 ', spring;
The utility model: 1, ball end; 2, ball seat; 3, bulb; 31, lubrication hole; 32, cavity; 33, oilhole; 4, following ball bowl; 5, bottom.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
By the structural representation of prior art motor turning servo cylinder ball joint assembly shown in Figure 1 as can be known, it comprises ball end 1 ', ball seat 2 ', following ball bowl 4 ', spring 6 ' and the bottom 5 ' with bulb 3 ', described bulb 3 ' normal-running fit is in ball seat 2 ', bottom 5 ' is a tight fit in the ball seat 2 ' and is positioned at the below of bulb 3 ', described spring 6 ' one end is against in the bottom 5 ', the other end is against down on the ball bowl 4 ', described ball bowl 4 ' and bulb 3 ' Elastic Contact down.
By the structural representation of the utility model motor turning servo cylinder ball joint assembly shown in Figure 2 as can be known, it comprises ball end 1, ball seat 2, following ball bowl 4 and the bottom 5 with bulb 3, bulb 3 normal-running fiies of described ball end 1 are in ball seat 2, described bottom 5 is a tight fit in the ball seat 2 and is positioned at the below of bulb 3, and described ball bowl 4 down is between bulb 3 and bottom 5.Described bulb 3 inside are the cavity 32 of hollow, and bulb 3 bottoms are provided with oilhole 33, and described oilhole 33 communicates with cavity 32; Also be provided with at least one lubrication hole 31 on the described bulb 3, described lubrication hole 31 communicates with cavity 32.
Described ball bowl 4 is down made for elastomeric material, as hydrogenated nitrile-butadiene rubber, and the upper inner surface and bulb 3 normal-running fiies of following ball bowl 4, the bottom of following ball bowl 4 pushes against on bottom 5.Described ball bowl 4 down also has the following inside face symmetrical with upper inner surface.
The motion process of the utility model ball joint assembly is such: the bulb 3 of ball end 1 cooperatively interacts and interconnects with play ball bowl 4 in ball seat 2, when bulb 3 take place with the sphere diameter during in work be the pendulum at center when rotating, expect rubbing with ball seat 2 and following ball bowl 4.Steering actuation cylinder is telescopically moving reciprocatingly when running car turns to, and sphero-joint is connected with pitman arm and the time does swing and rotate in motion, plays hinge effect, when preventing the push-and-pull of power-assisted cylinder body because angle variation face produces stuck.
Claims (3)
1. motor turning servo cylinder sphero-joint assembly, comprise the ball end (1), ball seat (2) of (3) that have bulb, ball bowl (4) and bottom (5) down, bulb (3) normal-running fit of described ball end (1) is in ball seat (2), described bottom (5) is a tight fit in the ball seat (2) and is positioned at the below of bulb (3), described ball bowl (4) down is positioned between bulb (3) and the bottom (5), it is characterized in that: described bulb (3) inside is the cavity of hollow (32), bulb (3) bottom is provided with oilhole (33), and described oilhole (33) communicates with cavity (32); Also be provided with at least one lubrication hole (31) on the described bulb (3), described lubrication hole (31) communicates with cavity (32).
2. motor turning servo cylinder sphero-joint assembly according to claim 1, it is characterized in that: described ball bowl (4) is down made for elastomeric material, and the upper inner surface of following ball bowl (4) and bulb (3) normal-running fit, the bottom of following ball bowl (4) pushes against on bottom (5).
3. motor turning servo cylinder sphero-joint assembly according to claim 2 is characterized in that: described ball bowl (4) down also has the following inside face symmetrical with upper inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201927635U CN201484486U (en) | 2009-08-20 | 2009-08-20 | Automobile steering power-assisted cylinder ball joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201927635U CN201484486U (en) | 2009-08-20 | 2009-08-20 | Automobile steering power-assisted cylinder ball joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201484486U true CN201484486U (en) | 2010-05-26 |
Family
ID=42423379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201927635U Expired - Fee Related CN201484486U (en) | 2009-08-20 | 2009-08-20 | Automobile steering power-assisted cylinder ball joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201484486U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507855A (en) * | 2013-09-29 | 2014-01-15 | 芜湖禾田汽车工业有限公司 | Automobile steering ball pin |
| CN109623280A (en) * | 2018-12-25 | 2019-04-16 | 绍兴金江机械有限公司 | A kind of motor turning drag link ball connector assembly production technology |
| CN117189772A (en) * | 2023-10-24 | 2023-12-08 | 索密克汽车配件有限公司 | Double-pendulum ball joint and service life real-time evaluation system |
-
2009
- 2009-08-20 CN CN2009201927635U patent/CN201484486U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507855A (en) * | 2013-09-29 | 2014-01-15 | 芜湖禾田汽车工业有限公司 | Automobile steering ball pin |
| CN109623280A (en) * | 2018-12-25 | 2019-04-16 | 绍兴金江机械有限公司 | A kind of motor turning drag link ball connector assembly production technology |
| CN117189772A (en) * | 2023-10-24 | 2023-12-08 | 索密克汽车配件有限公司 | Double-pendulum ball joint and service life real-time evaluation system |
| CN117189772B (en) * | 2023-10-24 | 2024-04-30 | 索密克汽车配件有限公司 | Double-pendulum ball joint and service life real-time evaluation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120820 |