CN210087821U - Automobile ball pin with lubricating structure - Google Patents
Automobile ball pin with lubricating structure Download PDFInfo
- Publication number
- CN210087821U CN210087821U CN201920922511.7U CN201920922511U CN210087821U CN 210087821 U CN210087821 U CN 210087821U CN 201920922511 U CN201920922511 U CN 201920922511U CN 210087821 U CN210087821 U CN 210087821U
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- ball pin
- pin body
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- shell seat
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Abstract
The utility model relates to a car ball round pin, concretely relates to car ball round pin with lubricating structure. The ball pin comprises a ball shell seat, a full-wrapping bush, a bottom end cover, a dust cover and a ball pin body; a ball pin body is movably arranged in the ball shell seat through a full-wrapping bush, and a plurality of cylindrical counter bores are uniformly distributed on the circumference of a ball body of the ball pin body; each cylindrical counter bore is embedded with a composite material column. A plurality of cylindrical counter bores are uniformly distributed on the circumference of a sphere pin body of the automobile sphere pin; each cylindrical counter bore is embedded with a composite material column; therefore, the torque fit between the ball pin body and the full-wrapping bush can be maintained, the friction loss between the ball pin body and the full-wrapping bush is reduced, and the wear resistance of the ball pin is improved. Therefore, the ball pin assembly can be kept to have lubricating performance and no abrasion in use for a long time, lubricating grease does not need to be refilled, and maintenance work is omitted.
Description
Technical Field
The utility model relates to a car ball round pin, concretely relates to car ball round pin with lubricating structure.
Background
The automobile ball pin is an important connecting part of an automobile chassis part and is distributed in a suspension system, a steering system and related movable components, wherein the suspension system of the automobile is used as a supporting guide and acting force transmission component through a control arm, the operation control purpose is acted on wheels, various acting forces are transmitted to a steering transmission system of a vehicle, and the vehicle can be ensured to move according to a fixed track in real time in operation. The vehicle control unit connects the steer drive and the suspension together through the ball and socket components of the vehicle. Therefore, the ball head connected with the control unit has enough strength, rigidity and service life, and the friction effect of the components is required to be reduced.
The existing automobile ball pin is composed of a metal ball pin and a bushing, the bushing is made of metal and nonmetal, and each of the metal ball pin and the bushing is a kinematic pair, wherein the metal ball pin and the bushing are combined in a mode of combining two components and are in contact with each other, the metal ball pin and the bushing are in a fit state, friction generated by action movement is generated due to continuous repeated swinging rotation and axial drawing action, so that certain part friction loss is generated, after long-term accumulation, a gap is generated between automobile ball pin assembly components, starting and rotating and swinging moments are reduced, so that the automobile ball pin is loosened or loses efficacy, and the service life of the automobile ball pin assembly is influenced.
Disclosure of Invention
The utility model aims to provide a: the automobile ball pin with the lubricating structure has the characteristics of high strength, high rigidity, high wear resistance, high lubricity, high and low temperature resistance, corrosion resistance and the like.
The technical scheme of the utility model is that:
an automobile ball pin with a lubricating structure is composed of a ball shell seat, a full-wrapping bush, a bottom end cover, a dust cover and a ball pin body; the method is characterized in that: the bottom of the ball shell seat is fixedly provided with a bottom end cover, a ball pin body is movably arranged in the ball shell seat through a full-wrapping bush and a base, the upper end of the ball pin body extends to the outer end of the ball shell seat, the ball pin body extending to the outer end of the ball shell seat is tightly provided with a dust cover through the ball shell seat and a C-shaped ring, and the circumference of a ball body of the ball pin body is uniformly provided with a plurality of cylindrical counter bores; each cylindrical counter bore is embedded with a composite material column.
And a compensation spring is arranged in the cylindrical counter bore, one end of the compensation spring is in contact connection with the bottom of the cylindrical counter bore, and the other end of the compensation spring is in contact connection with the composite material column.
The full-covered bushing is made of powder metallurgy materials.
Compared with the prior art, the utility model beneficial effect lie in:
the lining of the automobile ball pin with the lubricating structure is made of powder metallurgy materials through compression molding, is high in geometric dimension precision after being ground, is well matched with the ball pin, and greatly improves the service performance of products. A plurality of cylindrical counter bores are uniformly distributed on the circumference of the ball body of the ball pin body; each cylindrical counter bore is embedded with a composite material column; therefore, the moment fit between the ball pin body and the full-wrapping bush can be maintained, and the ball pin body and the full-wrapping bush can be kept for a long time; actuation force rejection (N.M): 1-3.5, rocking moment (N.M): 3-5, turning moment (N.M): 3-5, the automobile ball pin utilizes the self-lubricating property of the composite material column, so that the friction coefficient of the ball pin is reduced during the movement of the ball pin, the friction loss between the ball pin body and the bushing is reduced, and the wear resistance of the automobile ball pin is improved. Therefore, the ball pin assembly can be kept to have lubricating performance and no abrasion in use for a long time, lubricating grease does not need to be refilled, and maintenance work is omitted.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the ball pin body of the present invention;
fig. 3 is a schematic top view of the ball pin body of the present invention;
fig. 4 is a schematic structural diagram of the improved ball pin body of the present invention.
In the figure: 1. the ball pin comprises a ball shell seat, 2 a full-wrapping bush, 3 a bottom end cover, 4 a dust cover, 5 a ball pin body, 6 a top cover, 7 a composite material column, 8 a compensation spring, 9 and a base.
Detailed Description
The automobile ball pin with the lubricating structure consists of a ball shell seat 1, a full-wrapping bush 2, a bottom end cover 3, a dust cover 4 and a ball pin body 5; the bottom of the spherical shell seat 1 is provided with a bottom end cover 3 through threads, and the top of the spherical shell seat 1 is provided with a top cover 6 through threads; the ball shell seat 1 is internally and movably provided with a ball pin body 5 through a full-wrapping bush 2 and a base 9. The upper end of the ball pin body 5 penetrates through the top cover 6 and extends to the outer end of the spherical shell seat 1, and the ball pin body 5 extending to the outer end of the spherical shell seat 1 is tightly provided with the dust cover 4 through the spherical shell seat 1 and the C-shaped ring, so that the cleanness of the spherical shell seat 1 is guaranteed. A plurality of cylindrical counter bores are uniformly distributed on the circumference of a sphere of a ball pin body 5 of the automobile ball pin; each cylindrical counter bore is embedded with a composite material column 7. The composite material column 7 is made of organic composite materials, the composite materials are nano-grade powder prepared by mixing Polyformaldehyde (POM) main materials with trace amount of Thermoplastic Polyurethane (TPU), polytetrafluoroethylene (TPFE) and organic (inorganic) materials, and the nano-grade powder can be a special modified material formed by combining a melting or sintering mode, so that the defects of polyformaldehyde materials are overcome, the functionality of raw materials is improved, the abrasion of corresponding parts is not caused, and because the materials have very low friction coefficients of corresponding metals, the composite material column is briefly described as being under the conditions of dry friction and lubricating friction: all can be below static-dynamic friction value 0.08, and the friction coefficient value between the general traditional material and the metal is as follows: [ polyoxymethylene: 0.17 ]; [ polytetrafluoroethylene (TPFE): 0.04 ]; [ complex grease (e.g., containing molybdenum disulfide, etc.); 0.1-0.25 ]; [ graphite type: 0.1-0.12 ]; [ copper compound powder metallurgy 0.12-0.15 ]; [ nylon-based: 0.15-0.25 ]. The modified polyformaldehyde engineering plastic with excellent performance has good self-lubricating property, good fatigue resistance and high elasticity. The special modified polyformaldehyde multi-element composite material is adopted for manufacturing, and has the characteristics of self-lubricating function, good wear resistance, high mechanical strength and good oil resistance; and improve various excellent properties such as impact resistance, creep resistance, weather resistance and the like.
The full-wrapping bush 2 of the automobile ball pin is manufactured by compression molding of powder metallurgy materials, has high geometric dimension precision after grinding, is well matched with the ball pin body 5, and greatly improves the service performance of products. A plurality of cylindrical counter bores are uniformly distributed on the circumference of the ball body of the ball pin body 5; each cylindrical counter bore is embedded with a composite material column 6; thereby maintaining the moment fit between the ball pin body 5 and the full wrap bushing 2, keeping it in place for a long period of time; actuation force rejection (N.M): 1-3.5, rocking moment (N.M): 3-5, turning moment (N.M): 3-5, the automobile ball pin utilizes the self-lubricating property of the composite material column 7, so that the friction coefficient of the ball pin is reduced during the movement of the ball pin, the friction loss between the ball pin body 5 and the bushing full-wrapping 2 is reduced, and the wear resistance of the automobile ball pin is improved. Therefore, the ball pin assembly can be kept to have lubricating performance and no abrasion in use for a long time, lubricating grease does not need to be refilled, and maintenance work is omitted.
As a further improvement of the ball pin body 5, a compensation spring 8 can be arranged in the cylindrical counter bore, one end of the compensation spring 8 is in contact connection with the bottom of the cylindrical counter bore, and the other end of the compensation spring 8 is in contact connection with the composite material column 7; so that in operation a compensation of the wear of the composite material column 7 is provided, whereby the moment fit between the ball pin body 5 and the all-round bush 2 is maintained for a longer time at the starting force (N.M): 1-3.5, rocking moment (N.M): 3-5, turning moment (N.M): 3-5, further prolonging the service life of the automobile ball pin.
Claims (3)
1. An automobile ball pin with a lubricating structure is composed of a ball shell seat (1), a full-wrapping bush (2), a bottom end cover (3), a dust cover (4) and a ball pin body (5); the method is characterized in that: the bottom end cover (3) is fixedly arranged at the bottom of the ball shell seat (1), a ball pin body (5) is movably arranged in the ball shell seat (1) through a full-wrapping bush (2) and a base (9), the upper end of the ball pin body (5) extends to the outer end of the ball shell seat (1), a dust cover (4) is tightly arranged on the ball pin body (5) extending to the outer end of the ball shell seat (1) through the ball shell seat (1) and a C-shaped ring, and a plurality of cylindrical counter bores are uniformly distributed on the circumference of a ball body of the ball pin body (5); composite material columns (7) are respectively embedded in the counter bores of the cylinders.
2. The automotive ball pin with a lubricating structure according to claim 1, wherein: and a compensation spring (8) is arranged in the cylindrical counter bore, one end of the compensation spring (8) is in contact connection with the bottom of the cylindrical counter bore, and the other end of the compensation spring (8) is in contact connection with the composite material column (7).
3. The automotive ball pin with a lubricating structure according to claim 1, wherein: the full-covered bushing (2) is made of powder metallurgy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922511.7U CN210087821U (en) | 2019-06-19 | 2019-06-19 | Automobile ball pin with lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922511.7U CN210087821U (en) | 2019-06-19 | 2019-06-19 | Automobile ball pin with lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087821U true CN210087821U (en) | 2020-02-18 |
Family
ID=69483435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920922511.7U Active CN210087821U (en) | 2019-06-19 | 2019-06-19 | Automobile ball pin with lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087821U (en) |
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2019
- 2019-06-19 CN CN201920922511.7U patent/CN210087821U/en active Active
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