CN212928572U - Reinforced cross shaft universal joint assembly - Google Patents
Reinforced cross shaft universal joint assembly Download PDFInfo
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- CN212928572U CN212928572U CN202021651924.5U CN202021651924U CN212928572U CN 212928572 U CN212928572 U CN 212928572U CN 202021651924 U CN202021651924 U CN 202021651924U CN 212928572 U CN212928572 U CN 212928572U
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- step surface
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- universal joint
- assembly
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Abstract
The utility model discloses a strenghthened type cross universal joint assembly, including cross and axle sleeve assembly, axle sleeve assembly cover is located on each axle journal of cross, the axle sleeve assembly includes axle sleeve, bearing and oil blanket, its characterized in that: the oil seal comprises an outer lip extending towards the outer side in an inclined mode and an inner lip arranged in a splayed mode; a first step surface and a second step surface are arranged on a shaft neck of the cross shaft, the first step surface is higher than the second step surface, and the outer lip and the inner lip are arranged on the first step surface; the needle bearing is mounted on the second step surface. The utility model has the advantages that: through the optimization design of the structure and the material, the overall sealing performance and the mechanical strength of the universal joint cross-shaft assembly are improved, the anti-corrosion and anti-collision capacity of the universal joint cross-shaft assembly is improved, the assembly operation quality is obviously improved on the basis of not increasing the cost, the service life of a product is prolonged, and the universal joint cross-shaft assembly is suitable for high-load application.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to a strenghthened type cross universal joint assembly.
Background
The cross axle is also known as the cross byte, is "joint" part among the universal drive device of automobile driving system, and present cross axle adopts the diameter to cup joint in the junction with the universal joint more, can lead to the connectivity reduction of cross axle and universal joint under the long-term pivoted wearing and tearing of cross axle for the deviation in the cross axle emergence position, most cross axle is not stable enough when self rotates simultaneously, can lead to the rotational speed and unstable, can lead to the cracked problem of cross axle when serious.
Disclosure of Invention
The utility model aims at the not enough of above-mentioned prior art, the utility model aims at providing a strenghthened type cross universal joint assembly possesses advantages such as the wearability is good, the cross transmission is stable.
In order to achieve the above object, the utility model discloses a technical scheme be: the utility model provides a strenghthened type cross axle universal joint assembly, includes cross axle and axle sleeve assembly, axle sleeve assembly diameter cover is located on each axle journal of cross axle, the axle sleeve assembly includes axle sleeve, bearing and oil blanket, its characterized in that: the oil seal comprises an outer lip extending towards the outer side in an inclined mode and an inner lip arranged in a splayed mode; a first step surface and a second step surface are arranged on a shaft neck of the cross shaft, the first step surface is higher than the second step surface, and the outer lip and the inner lip are arranged on the first step surface; the needle bearing is arranged on the second step surface; the included angle between the outer lip and the axis of the shaft neck is 30-45 degrees, and the width of the outer lip is more than or equal to 0.5 mm.
Through the setting, outer lip is used for blockking outside silt and large granule impurity, and the inner lip is used for the grease seal, improves the whole sealing performance of oil blanket.
Further, a gasket is arranged between the needle bearing and the shaft sleeve, and the gasket is made of PA66+ (0.1-0.15%) MoS2The material is prepared.
Through the arrangement, the wear resistance inside the shaft sleeve is improved.
Further, the shaft sleeve comprises a shaft sleeve body and a wear-resistant layer arranged on the surface of the shaft sleeve body, the shaft sleeve body is made of 20CrMo material, the depth of the wear-resistant layer is 0.15-0.3 mm, and the hardness of the wear-resistant layer is 700-840 HV; the hardness of the shaft sleeve body is 300-500 HV.
Through the arrangement, the wear resistance of the outer surface of the shaft sleeve is improved.
Furthermore, a rotating gap is formed between the needle bearing and the journal of the cross shaft, a lubricating medium is arranged in the rotating gap, and the lubricating medium is sealed through the oil seal.
Through the arrangement, the rotation flexibility of the shaft sleeve is ensured.
Further, the surface of the cross shaft is provided with an antirust coating.
Through the arrangement, the anti-corrosion and anti-collision capacity of the surface of the cross shaft is improved.
Further, the oil blanket includes skeleton and sealing member, the sealing member is fixed in through the adhesive on the skeleton.
The utility model has the advantages that: through the optimization design of the structure and the material, the overall sealing performance and the mechanical strength of the universal joint cross-shaft assembly are improved, the anti-corrosion and anti-collision capacity of the universal joint cross-shaft assembly is improved, the assembly operation quality is obviously improved on the basis of not increasing the cost, the service life of a product is prolonged, and the universal joint cross-shaft assembly is suitable for high-load application.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of a bushing assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an oil seal in an embodiment of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 to 4, an embodiment of the present invention provides a reinforced cross axle universal joint assembly, including: the universal joint pin comprises a universal joint pin 1 and a shaft sleeve assembly 2, wherein the shaft sleeve assembly 2 is sleeved on four shaft necks of the universal joint pin 1 in diameter; the shaft sleeve assembly 2 comprises a shaft sleeve 5, a needle bearing 6 and an oil seal 8, wherein the oil seal 8 comprises a framework 8a and a sealing element, the sealing element is provided with an outer lip 8b extending towards the outer side in an inclined mode and an inner lip 8c arranged in a splayed mode, the sealing element is made of nitrile rubber, the framework 8a is made of 65Mn alloy, and the sealing element is fixed on the framework 8a in an adhesion mode through an adhesive; a first step surface 1a and a second step surface 1b are arranged on a shaft neck of the cross shaft 1, the first step surface 1a is higher than the second step surface 1b, an outer lip 8b and an inner lip 8c are arranged on the first step surface 1a, and a needle bearing 7 is arranged on the second step surface 1 b; the angle between the outer lip 8b and the axis of the journal is 39 deg., the width of the outer lip 8b being 0.5 mm.
A gasket 6 is arranged between the needle bearing 7 and the shaft sleeve 5, and the gasket 6 is made of PA66+ (0.1-0.15%) MoS2The material is made of, and the wear resistance of the inner ring of the shaft sleeve 5 is improved through the gasket 6.
The shaft sleeve 5 comprises a shaft sleeve body and a wear-resistant layer arranged on the surface of the shaft sleeve body, the shaft sleeve body is made of 20CrMo material, the depth of the wear-resistant layer is 0.15-0.3 mm, and the hardness of the wear-resistant layer is 700-840 HV; the hardness of the shaft sleeve body is 300-500HV, and the wear resistance of the outer surface of the shaft sleeve 5 is improved through the wear-resistant layer.
A rotating clearance is arranged between the needle bearing 7 and the shaft neck of the cross shaft 1, lubricating grease is arranged in the rotating clearance, the lubricating grease realizes sealing through the lip of the oil seal 8, and the flexible rotation of the shaft sleeve 5 is ensured through the arrangement.
The surface of the cross shaft 1 is provided with an antirust coating to improve the antirust and anti-collision capacity of the surface of the cross shaft.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a strenghthened type cross axle universal joint assembly, includes cross axle and axle sleeve assembly, axle sleeve assembly diameter cover is located on each axle journal of cross axle, the axle sleeve assembly includes axle sleeve, bearing and oil blanket, its characterized in that: the oil seal comprises an outer lip extending towards the outer side in an inclined mode and an inner lip arranged in a splayed mode; a first step surface and a second step surface are arranged on a shaft neck of the cross shaft, the first step surface is higher than the second step surface, and the outer lip and the inner lip are arranged on the first step surface; the needle bearing is arranged on the second step surface; the included angle between the outer lip and the axis of the shaft neck is 30-45 degrees, and the width of the outer lip is more than or equal to 0.5 mm.
2. The reinforced type cross-shaped shaft universal joint assembly as claimed in claim 1, wherein the shaft sleeve comprises a shaft sleeve body and a wear layer arranged on the surface of the shaft sleeve body, the shaft sleeve body is made of 20CrMo material, the depth of the wear layer is 0.15-0.3 mm, and the hardness of the wear layer is 700-840 HV; the hardness of the shaft sleeve body is 300-500 HV.
3. The reinforced cross-pin universal joint assembly as recited in claim 1, wherein a rotation gap is provided between said needle bearing and a journal of said cross-pin, a lubricating medium is provided in said rotation gap, and said lubricating medium is sealed by said oil seal.
4. The reinforced cross-pin joint assembly of claim 1, wherein the surface of the cross-pin is provided with an anti-rust coating.
5. The reinforced cross-pin universal joint assembly of claim 1, wherein the oil seal comprises a frame and a sealing element, and the sealing element is fixed on the frame by an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021651924.5U CN212928572U (en) | 2020-08-11 | 2020-08-11 | Reinforced cross shaft universal joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021651924.5U CN212928572U (en) | 2020-08-11 | 2020-08-11 | Reinforced cross shaft universal joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212928572U true CN212928572U (en) | 2021-04-09 |
Family
ID=75335974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021651924.5U Active CN212928572U (en) | 2020-08-11 | 2020-08-11 | Reinforced cross shaft universal joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212928572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607698A (en) * | 2022-03-31 | 2022-06-10 | 上海涟屹轴承科技有限公司 | Sliding bearing applied to cross joint coupler |
-
2020
- 2020-08-11 CN CN202021651924.5U patent/CN212928572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607698A (en) * | 2022-03-31 | 2022-06-10 | 上海涟屹轴承科技有限公司 | Sliding bearing applied to cross joint coupler |
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