CN210087850U - Tripod type universal joint assembly and vehicle - Google Patents
Tripod type universal joint assembly and vehicle Download PDFInfo
- Publication number
- CN210087850U CN210087850U CN201920641702.6U CN201920641702U CN210087850U CN 210087850 U CN210087850 U CN 210087850U CN 201920641702 U CN201920641702 U CN 201920641702U CN 210087850 U CN210087850 U CN 210087850U
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- China
- Prior art keywords
- tripod
- joint assembly
- universal joint
- pin
- ball ring
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- Rolling Contact Bearings (AREA)
Abstract
A tripod universal joint assembly comprises three pin joints and three pin shafts arranged in the circumferential direction of the three pin joints at intervals, wherein each pin shaft is sleeved with a ball ring, a first rolling way is arranged between each ball ring and the corresponding pin shaft, and spherical balls are arranged in the first rolling way. The utility model discloses a ball ring of tripod universal joint assembly and the angle that the tripod change are used for compensating the angle between tripod and the tripod shell, reach and reduce the friction, improve transmission efficiency, reduce the purpose of vibration noise. The utility model discloses still relate to a vehicle.
Description
Technical Field
The utility model relates to a universal joint technical field, in particular to tripod universal joint assembly and vehicle.
Background
Constant velocity joint mechanisms are key components of automotive drive axle shafts. The universal joint allows the included angle between the connected parts to be changed in a certain range, and variable-angle power transmission is realized. The universal joint meets the requirements of axial displacement and angle change caused by vertical jumping during the running of an automobile and simultaneously transmits torque.
The tripod type constant velocity universal joint which has been disclosed so far has the following problems: the tripod type constant velocity universal joint uses needle rollers, and the ball ring can only translate in the radial direction of the tripod joint and cannot form an angle with the radial direction of the tripod joint. When the three-pin joint and the three-pin shell form a large angle, the ball ring cannot compensate the angle deviation, so that the ball ring and the roller way in the three-pin shell are severely rubbed, the transmission efficiency is low, and simultaneously vibration noise is generated to influence the comfort of the automobile.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a tripod universal joint assembly, the angle that ball ring and tripod change is used for compensating the angle between tripod and the tripod shell, reaches the purpose that reduces the friction, improves transmission efficiency, reduces the vibration noise.
A tripod universal joint assembly comprises three pin joints and three pin shafts arranged in the circumferential direction of the three pin joints at intervals, wherein each pin shaft is sleeved with a ball ring, a first rolling way is arranged between each ball ring and the corresponding pin shaft, and spherical balls are arranged in the first rolling way.
The embodiment of the utility model provides an in, still be equipped with the holder in the above-mentioned first raceway, be equipped with the spacing hole of a plurality of installation balls on the holder.
In an embodiment of the present invention, the holder has a ring structure.
The embodiment of the utility model provides an in, be equipped with two spacing holes on the above-mentioned holder, two spacing holes along the axis direction of round pin axle sets up relatively.
The utility model discloses an in the embodiment, above-mentioned tripod universal joint assembly still includes the tripod shell, be equipped with the holding chamber on the tripod shell, be equipped with the second raceway that three intervals set up on the chamber wall in holding chamber, the tripod sets up the holding intracavity, each the ball ring corresponds respectively the second raceway sets up.
In the embodiment of the present invention, three of the pin shafts are spaced by 120 degrees; three of the second raceways are spaced 120 ° from each other.
The utility model discloses an in the embodiment, above-mentioned three round pin festivals are inside to be equipped with the internal spline who is connected with input spline shaft, the external connection of three round pin shells has the output spline shaft.
In an embodiment of the present invention, the inner wall and the outer wall of the ball ring have radians.
The utility model also provides a vehicle, including foretell tripod universal joint assembly.
The utility model discloses a ball ring of tripod universal joint assembly and the angle that the tripod change are used for compensating the angle between tripod and the tripod shell, reach and reduce the friction, improve transmission efficiency, reduce the purpose of vibration noise.
Drawings
Fig. 1 is a schematic cross-sectional view of a tripod joint assembly of the present invention.
Fig. 2 is a schematic view of a partial structure of a tripod type universal joint assembly of the present invention.
Fig. 3 is a schematic front view of the triple-pin housing of the present invention.
Detailed Description
Fig. 1 is the sectional view of the tripod universal joint assembly of the present invention, fig. 2 is the partial structure of the tripod universal joint assembly of the present invention, as shown in fig. 1 and fig. 2, the tripod universal joint assembly includes a tripod joint 11, three hinge pins 12 and a tripod shell 16. The three pin shafts 12 are arranged in the circumferential direction of the three pin joints 11 at intervals, each pin shaft 12 is sleeved with a ball ring 13, a first rolling way 101 is arranged between each ball ring 13 and the corresponding pin shaft 12, and spherical balls 14 are arranged in the first rolling way 101.
Furthermore, a retainer 15 is disposed in the first raceway 101, and a plurality of limiting holes (not shown) for mounting the balls 14 are disposed in the retainer 15. The retainer 15 is in a circular ring structure, two rows of limiting holes are formed in the retainer 15, and the two rows of limiting holes are arranged oppositely along the axis direction of the pin shaft 12.
Fig. 3 is a schematic diagram of a front view structure of the triple-pin shell of the present invention, as shown in fig. 1 and fig. 3, further, a containing cavity 103 is provided on the triple-pin shell 16, a cavity wall of the containing cavity 103 is provided with three second raceways 102 arranged at intervals, the triple-pin joint 11 is provided in the containing cavity 103, and each ball ring 13 is provided corresponding to each second raceway 102.
Further, the three pin joints 12 are spaced 120 ° apart from each other; the three second raceways 102 are spaced 120 ° from each other.
Further, an internal spline connected to the input spline shaft is provided inside the tripod joint 11, and an output spline shaft 161 is connected to the outside of the tripod shell 16.
Further, both the inner wall and the outer wall of the ball ring 13 have a curvature.
The utility model discloses a tripod universal joint assembly's tripod joint 11, round pin axle 12, ball 14, the ball 13 extrudes the transmission moment of torsion each other at tripod shell 16, tripod shell 16's second raceway 102 realizes universal joint axial motion and angle beat with the cooperation of ball 13, two are listed as ball 14 and make ball 13 and tripod joint 11 can change the angle, the angle that ball 13 and tripod joint 11 change is used for compensating the angle between tripod joint 11 and the tripod shell 16, reach and reduce the friction, improve transmission efficiency, reduce the purpose of vibration noise. The ball 14 is arranged between the pin shaft 12 and the ball ring 13 of the utility model, and the generated axial friction force is reduced by 69 percent compared with the tripod universal joint using the rolling needle under the same working condition; the vibration value decreased by 68%.
The utility model discloses still relate to a vehicle, the vehicle includes foretell tripod universal joint assembly, and please refer to prior art about the structure of vehicle, and here is no longer repeated.
The above embodiments are merely examples of the present invention, and are not intended to limit the scope of the present invention, and all equivalent changes and modifications made according to the content of the claims of the present invention should be included in the scope of the present invention.
Claims (9)
1. The tripod universal joint assembly is characterized by comprising three pin joints and three pin shafts arranged in the circumferential direction of the three pin joints at intervals, wherein each pin shaft is sleeved with a ball ring, a first raceway is arranged between the ball ring and the pin shaft, and spherical balls are arranged in the first raceway.
2. The tripod joint assembly of claim 1 further comprising a cage disposed within said first raceway, said cage having a plurality of ball retaining holes for receiving balls.
3. The tripod joint assembly of claim 2 wherein said cage is of annular configuration.
4. The tripod universal joint assembly of claim 2 wherein said retainer has two rows of said alignment holes, said two rows of said alignment holes being disposed opposite each other along said axis of said pin.
5. The tripod joint assembly of claim 1 further comprising a tripod housing having a receiving cavity, wherein the receiving cavity has three spaced second raceways formed in a wall thereof, the tripod housing being disposed in the receiving cavity, and wherein each of the ball rings is disposed in correspondence with each of the second raceways.
6. The tripod universal joint assembly of claim 5 wherein three of said pins are spaced 120 ° from one another; three of the second raceways are spaced 120 ° from each other.
7. The tripod universal joint assembly of claim 5 wherein the interior of said tripod is provided with internal splines for connection to an input spline shaft and the exterior of said tripod housing is connected to an output spline shaft.
8. The tripod joint assembly of claim 1 wherein the inner and outer walls of the ball ring each have a curvature.
9. A vehicle comprising a tripod joint assembly according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641702.6U CN210087850U (en) | 2019-05-06 | 2019-05-06 | Tripod type universal joint assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641702.6U CN210087850U (en) | 2019-05-06 | 2019-05-06 | Tripod type universal joint assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087850U true CN210087850U (en) | 2020-02-18 |
Family
ID=69477192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920641702.6U Active CN210087850U (en) | 2019-05-06 | 2019-05-06 | Tripod type universal joint assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087850U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623167A (en) * | 2022-03-11 | 2022-06-14 | 上海纳铁福传动***有限公司 | Three-pin-shaft type movable universal joint with double rolling ball structure |
| CN114623168A (en) * | 2022-03-11 | 2022-06-14 | 上海纳铁福传动***有限公司 | Three-pin shaft type movable universal joint with single rolling ball structure |
| CN115306829A (en) * | 2022-07-28 | 2022-11-08 | 东风汽车集团股份有限公司 | Fixed constant velocity universal joint and automobile driving shaft comprising same |
-
2019
- 2019-05-06 CN CN201920641702.6U patent/CN210087850U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623167A (en) * | 2022-03-11 | 2022-06-14 | 上海纳铁福传动***有限公司 | Three-pin-shaft type movable universal joint with double rolling ball structure |
| CN114623168A (en) * | 2022-03-11 | 2022-06-14 | 上海纳铁福传动***有限公司 | Three-pin shaft type movable universal joint with single rolling ball structure |
| CN115306829A (en) * | 2022-07-28 | 2022-11-08 | 东风汽车集团股份有限公司 | Fixed constant velocity universal joint and automobile driving shaft comprising same |
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