CN220118492U - Built-in multiport cold-formed ball pin - Google Patents
Built-in multiport cold-formed ball pin Download PDFInfo
- Publication number
- CN220118492U CN220118492U CN202320854770.7U CN202320854770U CN220118492U CN 220118492 U CN220118492 U CN 220118492U CN 202320854770 U CN202320854770 U CN 202320854770U CN 220118492 U CN220118492 U CN 220118492U
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- CN
- China
- Prior art keywords
- ball
- pin
- seat
- bulb
- fixing piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000428 dust Substances 0.000 claims abstract description 29
- 239000000314 lubricant Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 210000000225 synapse Anatomy 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The utility model discloses a built-in multi-end cold-formed ball pin, which comprises a ball pin and a ball seat, wherein one end of the ball pin is provided with an integrally formed ball, one surface of the ball seat, which is connected with the ball pin, is provided with a fixing piece, the fixing piece is connected with the ball seat through a bolt and a screw hole, the contact surface of the ball seat and the ball is provided with an oil cavity, the inner cavity of the ball is provided with a ball center, the ball center is fixedly connected with the ball through a connecting column, one surface of the fixing piece, which is far away from the ball seat, is provided with a dust cover, and the contact surface of the dust cover and the ball pin is provided with a sealing ring for isolating the inner cavity of the dust cover from the outer side. In order to improve the service life between the ball head seat and the ball head, the contact surface of the ball head seat and the ball head is provided with an oil cavity, and more lubricant is stored through the oil cavity, so that friction between the ball head seat and the ball head is reduced, and a cavity structure is arranged in the ball head pin, so that heat generated by friction between the ball head seat and the ball head is reduced.
Description
Technical Field
The utility model relates to the technical field of ball pins, in particular to a cold-formed ball pin with multiple built-in ends.
Background
The ball pin assembly is one key part of various automobile parts, is widely used in independent suspension systems, and is connected with other parts through a ball pin at the end part, wherein the main function of the ball pin is to realize up-and-down runout and steering movement of wheels. The ball pin assembly mainly comprises a ball seat, a ball pin and a dust cover, and because the ball of the ball pin is subjected to axial pulling risk under the conditions of frequent stress and swing limit, the dust cover can be pulled, and the ball pin assembly is used for a long time. As in application number CN202010942622.1, a connecting bolt or connecting pin, in particular a ball stud, is disclosed, having a connecting head, preferably a ball head, and a threaded shaft. The threaded shaft comprises a thread in a longitudinal portion of the threaded shaft, the thread extending parallel to a central longitudinal axis of the threaded shaft. In the longitudinal portion of the thread, a thread inhibitor is provided, by means of which the frictional connection between the thread of the threaded shaft and a counter thread engaged therein and present on the radially inner wall of the threaded opening can be increased. Furthermore, a disc-shaped radial support structure is provided between the connecting pin and the longitudinal portion of the thread, the radial extension of which radial support structure is adapted to the diameter of the threaded opening, so that the connecting pin can be supported within the threaded opening, in particular at the inner wall of the threaded opening, against a transverse load with respect to the central longitudinal axis of the connecting pin.
Similar to one of the above-described connecting bolts or connecting pins, the following disadvantages currently exist: the main function of the ball pin is to realize the up-and-down jumping and steering movement of the wheel, but the device can generate higher heat when in friction, thereby being unfavorable for the heat dissipation work of the ball pin.
Accordingly, in view of the above, research and improvement on the conventional structure and the conventional defects have been conducted, and a cold-formed ball stud with multiple ends is proposed to achieve the purpose of having a higher practical value.
Disclosure of Invention
The utility model aims to provide a built-in multi-end cold-formed ball pin, which aims to solve the problems of temperature generated by friction between the ball pin and a ball seat and service life between the ball pin and the ball seat in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a built-in multiport cold-formed ball head round pin, includes ball head round pin and bulb seat, the one end of ball head round pin is provided with integrated into one piece's bulb, the one side of bulb seat connection ball head round pin is provided with the mounting, and the mounting passes through the bolt and the screw is connected with the bulb seat, the contact surface of bulb seat and bulb is provided with the oil pocket, the inner chamber of bulb is provided with the sphere, and carries out fixed connection through the spliced pole between sphere and the bulb, the one side that the bulb seat was kept away from to the mounting sets up the dust cover, the contact surface of dust cover and bulb round pin is provided with the sealing ring that keeps apart dust cover inner chamber and outside.
Further, the diameter of the ball head is larger than the longest distance of the cross section area of the ball head pin, and the diameter of the opening of the fixing piece is smaller than the longest distance of the cross section area of the ball head pin.
Further, the shape and the surface area of the groove formed by the fixing piece and the ball seat are the same as those of the ball head, and the contact surface of the ball head, the fixing piece and the ball seat is provided with a lubricant.
Further, the dust cover arranged on the upper end face of the fixing piece is in an elastic alloy shape, and the dust cover and the fixing piece are in an integrated structure.
Further, the inner cavity side wall of the ball stud is provided with a plurality of synapses, the outer surface of the ball center is provided with a plurality of connecting columns, the number of the connecting columns is equal to that of the synapses, the connecting columns are perpendicular to the centers of the synapses, and the ball center is fixedly connected with the ball stud through the connecting columns and the synapses.
Further, a chamfer is arranged on one side of the ball seat away from the fixing piece, and one end of the ball pin is a cone.
Compared with the prior art, the utility model has the beneficial effects that: in order to improve the service life between the ball head seat and the ball head, the contact surface of the ball head seat and the ball head is provided with an oil cavity, and more lubricant is stored in the oil cavity, so that friction between the ball head seat and the ball head is reduced, and a cavity structure is arranged in the ball head pin, so that heat generated by friction between the ball head seat and the ball head is reduced;
the device is characterized in that the ball pin is fixedly connected with the ball seat through the fixing piece, and the contact surface of the ball pin and the ball seat can be isolated through the dust cover, so that dust is prevented from entering the connection part of the ball pin and the ball seat, and the service life of the device is prevented from being influenced;
the device is provided with the ball head, the ball center and the connecting column II through the inner cavity of the ball head pin to form a cavity, so that heat generated by friction between the ball head pin and the ball head seat is conveniently discharged, heat dissipation is facilitated, and supporting force between the ball head pin and the ball head seat cannot be influenced.
Drawings
FIG. 1 is a schematic elevational view of a cold formed ball stud incorporating multiple ends in accordance with the present utility model;
FIG. 2 is a schematic diagram of a front view of a ball stud with a built-in multi-end cold formed ball stud according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the center of a cold formed ball stud with multiple ends in the present utility model.
In the figure: 1. a ball pin; 101. ball head; 102. a center of sphere; 103. a connecting column; 2. a ball seat; 201. an oil chamber; 3. a fixing member; 4. a dust cover.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a built-in multiport cold-formed ball stud, including ball stud 1 and ball seat 2, the one end of ball stud 1 is provided with integrated into one piece's ball 101, the one side that ball seat 2 connects ball stud 1 is provided with mounting 3, and mounting 3 is connected with ball seat 2 through bolt and screw, the contact surface of ball seat 2 and ball 101 is provided with oil pocket 201, the inner chamber of ball 101 is provided with ball center 102, and fixedly connect through spliced pole 103 between ball center 102 and the ball 101, the one side that mounting 3 is kept away from ball seat 2 is provided with dust cover 4, dust cover 4 and ball stud 1's contact surface is provided with the sealing ring that keeps apart dust cover 4 inner chamber and outside, keep apart dust cover 4 inner chamber and outside through the sealing ring, thereby prevent that the dust from getting into the junction of ball stud 1 and ball seat 2, influence the life of this device, in order to improve the life between ball seat 2 and the ball 101, the contact surface of ball seat 2 and ball 101 is provided with oil pocket 201, thereby reduce friction between ball seat 2 and the ball 101, and the inside of pin 1 is provided with the heat of cavity structure, be favorable to reducing friction between ball seat 2 and ball seat 101;
the diameter of the ball 101 is larger than the longest distance of the cross section area of the ball pin 1, the diameter of the opening of the fixing piece 3 is smaller than the longest distance of the cross section area of the ball pin 1, the shape and the surface area of a groove formed by the fixing piece 3 and the ball seat 2 are the same as those of the ball 101, the contact surface of the ball 101, the fixing piece 3 and the ball seat 2 are provided with lubricant, the dust cover 4 arranged on the upper end surface of the fixing piece 3 is in an elastic alloy shape, the dust cover 4 and the fixing piece 3 are of an integrated structure, the inner cavity side wall of the ball pin 1 is provided with a plurality of synapses, the outer surface of the ball center 102 is provided with a plurality of connecting columns 103, the connecting columns 103 are equal to the synapses, the connecting columns 103 are perpendicular to the synapses, the ball center 102 is fixedly connected with the ball pin 1 through the connecting columns 103 and the synapses, one side of the ball seat 2 away from the fixing piece 3 is provided with a chamfer, one end of the ball pin 1 is a cone, the ball pin 1 is fixedly connected with the ball seat 2 through the fixing piece 3, the contact surface of the ball pin 1 and the ball seat 2 can be isolated through the dust cover 4, and dust can be prevented from entering the connecting part of the ball pin 1 and the ball seat 2, the service life of the device is influenced; the cavity is formed by the ball head 101, the ball center 102 and the connecting column 103 which are arranged in the inner cavity of the ball head pin 1, so that heat generated by friction between the ball head pin 1 and the ball head seat 2 is conveniently discharged, heat dissipation is facilitated, and supporting force between the ball head pin 1 and the ball head seat 2 is not influenced.
Working principle: when the cold-formed ball pin with multiple ends is used, firstly, the ball pin 1 and the ball seat 2 are fixedly connected through the fixing piece 3, and the contact surface of the ball pin 1 and the ball seat 2 can be isolated through the dust cover 4, so that dust is prevented from entering the connection part of the ball pin 1 and the ball seat 2, and the service life of the device is influenced; the ball head 101, the ball center 102 and the connecting column 103 are arranged in the inner cavity of the ball head pin 1 to form a cavity, so that heat generated by friction between the ball head pin 1 and the ball head seat 2 is discharged, heat dissipation is facilitated, supporting force between the ball head pin 1 and the ball head seat 2 cannot be influenced, the oil cavity 201 is formed in the contact surface between the ball head seat 2 and the ball head 101 in order to improve service life between the ball head seat 2 and the ball head 101, more lubricant is stored in the oil cavity 201, friction between the ball head seat 2 and the ball head 101 is reduced, and a cavity structure is arranged in the ball head pin 1, so that heat generated by friction between the ball head seat 2 and the ball head 101 is reduced.
Claims (6)
1. The cold-formed ball pin with the built-in multiple ends comprises a ball pin (1) and a ball seat (2), and is characterized in that; one end of bulb round pin (1) is provided with integrated into one piece's bulb (101), the one side of bulb round pin (1) is connected to bulb seat (2) is provided with mounting (3), and mounting (3) are connected with bulb seat (2) through bolt and screw, the contact surface of bulb seat (2) and bulb (101) is provided with oil pocket (201), the inner chamber of bulb (101) is provided with ball center (102), and carries out fixed connection through spliced pole (103) between ball center (102) and bulb (101), one side that bulb seat (2) were kept away from to mounting (3) sets up dust cover (4), the contact surface of dust cover (4) and bulb round pin (1) is provided with the sealing ring of isolation dust cover (4) inner chamber and outside.
2. A built-in multi-end cold formed ball stud according to claim 1, wherein; the diameter of the ball head (101) is larger than the longest distance of the cross section area of the ball head pin (1), and the diameter of the opening of the fixing piece (3) is smaller than the longest distance of the cross section area of the ball head pin (1).
3. A built-in multi-end cold formed ball stud according to claim 1, wherein; the groove formed by the fixing piece (3) and the ball seat (2) is the same as the ball head (101) in shape and surface area, and the contact surface of the ball head (101) with the fixing piece (3) and the ball seat (2) is provided with a lubricant.
4. A built-in multi-end cold formed ball stud according to claim 1, wherein; the dust cover (4) arranged on the upper end face of the fixing piece (3) is in an elastic alloy shape, and the dust cover (4) and the fixing piece (3) are of an integrated structure.
5. A built-in multi-end cold formed ball stud according to claim 1, wherein; the ball pin comprises a ball pin body and is characterized in that a plurality of synapses are arranged on the side wall of an inner cavity of the ball pin body (1), a plurality of connecting columns (103) are arranged on the outer surface of a ball center (102), the number of the connecting columns (103) is equal to that of the synapses, the connecting columns (103) are perpendicular to the centers of the synapses, and the ball center (102) is fixedly connected with the ball pin body (1) through the connecting columns (103) and the synapses.
6. A built-in multi-end cold formed ball stud according to claim 1, wherein; one side of the ball seat (2) far away from the fixing piece (3) is provided with a chamfer, and one end of the ball pin (1) is a cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320854770.7U CN220118492U (en) | 2023-04-18 | 2023-04-18 | Built-in multiport cold-formed ball pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320854770.7U CN220118492U (en) | 2023-04-18 | 2023-04-18 | Built-in multiport cold-formed ball pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118492U true CN220118492U (en) | 2023-12-01 |
Family
ID=88894447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320854770.7U Active CN220118492U (en) | 2023-04-18 | 2023-04-18 | Built-in multiport cold-formed ball pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118492U (en) |
-
2023
- 2023-04-18 CN CN202320854770.7U patent/CN220118492U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |