CN210371728U - Three-ball pin - Google Patents
Three-ball pin Download PDFInfo
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- CN210371728U CN210371728U CN201921444688.7U CN201921444688U CN210371728U CN 210371728 U CN210371728 U CN 210371728U CN 201921444688 U CN201921444688 U CN 201921444688U CN 210371728 U CN210371728 U CN 210371728U
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- tripod
- bearing
- pin
- wall
- ball
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Abstract
The utility model discloses a tripod, concretely relates to mechanical technical field, including the tripod, the fixed surface of tripod is connected with the round pin axle, the one end fixedly connected with bearing of tripod is kept away from to the round pin axle, the cover is equipped with the ball platform on the bearing, be equipped with the kingpin between the outer peripheral face of bearing and the inner wall of ball platform, be equipped with two jump rings on the inner wall of ball platform, two jump rings along the axial interval distribution of ball platform inner wall, and two jump rings can lean on with two terminal surfaces of bearing respectively, the quantity of round pin axle is three, and three round pin axle is annular fixed connection on the surface of tripod. The utility model discloses an one end that the tripod was kept away from to the round pin axle and the inner wall fixed connection of bearing to the one end that the tripod was kept away from to the round pin axle through two jump ring cooperation bearings is fixed in the inside of table, makes the top that highly need not to exceed the table of round pin axle, reduces the length of round pin axle, thereby makes the device structure compacter.
Description
Technical Field
The utility model belongs to the technical field of machinery, a universal joint, especially a tripod are related to.
Background
The cage is also called constant velocity universal joint, and is an important part in a car transmission system, and the function of the cage is to transmit the power of an engine from a transmission to a driving wheel to drive a car to run at a high speed. Constant velocity joints for cars are of many types, and among the most used are the rzeppa type and the tripod type, which mainly consist of main parts of a sliding sleeve, a three-way shaft, a transmission shaft, an inner race, a cage and an outer race. In the ball cage with the three-ball pin structure, the outer ring of the three-ball pin is rotatably connected to the pin shaft.
But its when in actual use, adopt usually to set up jump ring and retaining ring in the outside of outer lane, lead to the longer structure of the overall length of round pin axle not compact, lead to the volume great, it is less with bell shell cooperation back swing angle.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a there is above-mentioned problem to current technique, has proposed a major axis type ball cage, the utility model aims to solve the technical problem that: how to improve the compactness of the tripod ball structure.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a tripod ball, includes the tripod, the fixed surface of tripod is connected with the round pin axle, the one end fixedly connected with bearing that the tripod was kept away from to the round pin axle, the cover is equipped with the ball platform on the bearing, be equipped with the kingpin between the outer peripheral face of bearing and the inner wall of ball platform, be equipped with two jump rings on the inner wall of ball platform, two jump rings along the axial interval distribution of ball platform inner wall, and two jump rings can lean on with two terminal surfaces of bearing respectively.
The three-ball pin is used for connection between a transmission and a driving wheel on an automobile, one end of the three-pin frame is far away from the inner wall of the bearing through the pin shaft and is fixedly connected with the inner wall of the bearing, and one end of the pin shaft, far away from the three-pin frame, is fixed in the ball table through the matching of the two clamp springs and the bearing, so that the height of the pin shaft does not need to exceed the top of the ball table, the length of the pin shaft is reduced, and the structure of the device is.
In the above-mentioned tripod ball, the number of round pin axle is three, and three round pin axles are annular fixed connection on the surface of tripod rest, the distance between two adjacent round pin axles is equal.
In the tripod head, the surface of one end of the pin shaft, which is far away from the tripod head, is arc-shaped.
In the above three-ball pin, the bottom of the inner wall of the bearing is fixedly connected with a limiting step, and the inner diameter of the limiting step is larger than the maximum diameter of one end of the pin shaft, which is far away from the three-pin frame.
In the above-mentioned three ball round pin, the inner wall of table is seted up two annular spacing grooves, the jump ring inlays and locates the spacing inslot.
In the above three-ball pin, the inside diameter of the circlip is smaller than the diameter of the bearing.
In the above-mentioned three ball pin, the needle roller has the same height as the bearing, and is located between the two circlips.
In the above three-ball pin, the clamp spring is a manganese steel material member.
Compared with the prior art, the utility model discloses there is following advantage:
1. one end of the pin shaft, which is far away from the three-pin frame, is fixedly connected with the inner wall of the bearing, and one end of the pin shaft, which is far away from the three-pin frame, is fixed in the ball table through the matching of the two clamp springs and the bearing, so that the height of the pin shaft does not need to exceed the top of the ball table, and the length of the pin shaft is reduced, so that the device has a more compact structure, and compared with the prior art, the device has a more compact structure;
2. the bottom fixedly connected with limiting step through the inner wall of the bearing can prevent the bearing and the pin shaft from being disconnected, the pin shaft is caused to fall off from the inner wall of the bearing, two annular limiting grooves are formed in the inner wall of the ball table, the clamp spring on the inner wall of the ball table limiting groove can limit the bearing, and therefore the purpose of more stable connection is achieved, and compared with the prior art, stable connection can be achieved.
Drawings
Fig. 1 is a front sectional view of the overall structure of the present invention.
Fig. 2 is a side sectional view of the overall structure of the present invention.
Fig. 3 is a front sectional view of the triple-pin frame structure of the present invention.
Fig. 4 is a side sectional view of the tripod structure of the present invention.
Fig. 5 is a front sectional view of the bearing structure of the present invention.
Fig. 6 is a front sectional view of the table structure of the present invention.
Fig. 7 is a schematic view of the table structure of the present invention.
Fig. 8 is a top view of the circlip structure of the present invention.
The reference signs are: 1. a three-pin frame; 2. a pin shaft; 3. a bearing; 4. rolling needles; 5. a table; 6. and a clamp spring.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-8, the utility model provides a tripod ball, including tripod head 1, the fixed surface of tripod head 1 is connected with round pin axle 2, the one end fixedly connected with bearing 3 that round pin axle 2 kept away from tripod head 1, the cover is equipped with ball platform 5 on the bearing 3, be equipped with kingpin 4 between the outer peripheral face of bearing 3 and the inner wall of ball platform 5, be equipped with two jump rings 6 on the inner wall of ball platform 5, two jump rings 6 are along the axial interval distribution of the inner wall of ball platform 5, and two jump rings 6 can be supported with two terminal surfaces of bearing 3 respectively and lean on;
the number of the pin shafts 2 is three, the three pin shafts 2 are fixedly connected to the surface of the tripod 1 in an annular shape, and the distances between every two adjacent pin shafts 2 are equal;
the surface of one end of the pin shaft 2, which is far away from the three-pin frame 1, is arc-shaped;
the bottom of the inner wall of the bearing 3 is fixedly connected with a limiting step, and the inner diameter of the limiting step is larger than the maximum diameter of one end of the pin shaft 2 far away from the tripod 1, so that the limiting step can limit the pin shaft 2;
two annular limiting grooves are formed in the inner wall of the ball table 5, and the clamp spring 6 is embedded in the limiting grooves, so that the clamp spring 6 is convenient to fix;
the inner diameter of the clamp spring 6 is smaller than the diameter of the bearing 3, so that the clamp spring 6 can fix the bearing 3;
the height of the roller pin 4 is equal to that of the bearing 3, and the roller pin 4 is positioned between the two clamp springs 6;
the clamp spring 6 is a manganese steel material component, and the wear resistance of the equipment is enhanced.
The implementation mode is specifically as follows: one end of the pin shaft 2, which is far away from the tripod 1, is fixedly connected with the inner wall of the bearing 3, and the bearing 3 is limited in the ball table 5 through the two clamp springs 6, so that the pin shaft 2 is fixed in the ball table 5, the height of the pin shaft 2 can achieve the effect of stable connection without exceeding the top of the ball table 5, and the length of the pin shaft 2 can be reduced, and the embodiment specifically solves the problem of the prior art that the structure is not compact;
the bottom of the inner wall of the bearing 3 is fixedly connected with a limit step, the inner diameter of the limit step is larger than the maximum diameter of one end of the pin shaft 2 far away from the three-pin frame 1, so that the connection between the bearing 3 and the pin shaft 2 is more stable when the device is used, can prevent the pin shaft 2 from falling off from the inner wall of the bearing 3 caused by the disconnection between the bearing 3 and the pin shaft 2, two annular limiting grooves are arranged on the inner wall of the table 5, the clamp spring 6 is embedded in the limiting grooves, so that the bearing 3 can be limited by the clamp springs 6 on the inner wall of the limiting groove of the ball table 5, the bearing 3 is limited between the two clamp springs 6, thereby fixing the bearing 3 on the inner wall of the ball table 5, fixedly connecting a limit step through the bottom of the inner wall of the bearing 3, the connection disconnection between the bearing 3 and the pin shaft 2 can be prevented, so that the pin shaft 2 falls off from the inner wall of the bearing 3, and the embodiment specifically solves the problem of unstable connection in the prior art.
The utility model discloses the theory of operation:
referring to the attached drawings 1-8 of the specification, one end of the pin shaft 2, which is far away from the tripod 1, is fixedly connected with the inner wall of the bearing 3, and one end of the pin shaft 2, which is far away from the tripod 1, is fixed inside the ball table 5 by matching the two snap springs 6 with the bearing 3, so that the height of the pin shaft 2 does not need to exceed the top of the ball table 5, the length of the pin shaft 2 is reduced, and the structure of the device is more compact;
referring to the attached drawings 1-8 of the specification, two annular limiting grooves are formed in the inner wall of the ball table 5, and the clamp spring 6 on the inner wall of the limiting groove of the ball table 5 can limit the position of the bearing 3, so that the purpose of more stable connection is achieved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a tripod, includes tripod (1), the fixed surface of tripod (1) is connected with round pin axle (2), the one end fixedly connected with bearing (3) of tripod (1) are kept away from in round pin axle (2), the cover is equipped with ball platform (5) on bearing (3), be equipped with kingpin (4), its characterized in that between the outer peripheral face of bearing (3) and the inner wall of ball platform (5): be equipped with two jump rings (6) on the inner wall of ball platform (5), axial interval distribution along ball platform (5) inner wall is followed in two jump rings (6), and two jump rings (6) can support with two terminal surfaces of bearing (3) respectively and lean on.
2. A tripod ball according to claim 1, wherein: the number of the pin shafts (2) is three, the three pin shafts (2) are fixedly connected to the surface of the three-pin frame (1) in an annular mode, and the distance between every two adjacent pin shafts (2) is equal.
3. A tripod ball according to claim 1, wherein: the surface of one end, far away from the three-pin frame (1), of the pin shaft (2) is arranged in an arc shape.
4. A tripod ball according to claim 1, wherein: the bottom of the inner wall of the bearing (3) is fixedly connected with a limiting step, and the inner diameter of the limiting step is larger than the maximum diameter of one end, far away from the three-pin frame (1), of the pin shaft (2).
5. A tripod ball according to claim 1, wherein: two annular limiting grooves are formed in the inner wall of the ball table (5), and the clamp spring (6) is embedded in the limiting grooves.
6. A tripod ball according to claim 1, wherein: the inner diameter of the clamp spring (6) is smaller than the diameter of the bearing (3).
7. A tripod ball according to claim 1, wherein: the height of the roller pin (4) is equal to that of the bearing (3), and the roller pin (4) is located between the two clamp springs (6).
8. A tripod ball according to claim 1, wherein: the clamp spring (6) is a manganese steel material component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444688.7U CN210371728U (en) | 2019-09-02 | 2019-09-02 | Three-ball pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444688.7U CN210371728U (en) | 2019-09-02 | 2019-09-02 | Three-ball pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210371728U true CN210371728U (en) | 2020-04-21 |
Family
ID=70253709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921444688.7U Active CN210371728U (en) | 2019-09-02 | 2019-09-02 | Three-ball pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210371728U (en) |
-
2019
- 2019-09-02 CN CN201921444688.7U patent/CN210371728U/en active Active
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