CN202926905U - Heavy-duty truck transmission shaft universal joint assembly with iron-sheet bearing - Google Patents
Heavy-duty truck transmission shaft universal joint assembly with iron-sheet bearing Download PDFInfo
- Publication number
- CN202926905U CN202926905U CN 201220630564 CN201220630564U CN202926905U CN 202926905 U CN202926905 U CN 202926905U CN 201220630564 CN201220630564 CN 201220630564 CN 201220630564 U CN201220630564 U CN 201220630564U CN 202926905 U CN202926905 U CN 202926905U
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- universal joint
- joint assembly
- iron sheet
- iron
- heavy
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Abstract
The utility model relates to a universal joint assembly, in particular to a heavy-duty truck transmission shaft universal joint assembly with iron-sheet bearings, mainly aiming at solving the technical problems that the strength of the shaft sleeve of the universal joint is not high, the sealing performance is poor, needles are apt to be worn, the service life of the universal joint is short, the universal joint is not applicable to a transmission shaft of a heavy-duty truck and the like in the prior art. The heavy-duty truck transmission shaft universal joint assembly with the iron-sheet bearings comprises a cross shaft body (1) and is characterized in that iron-sheet shaft sleeves (2) are sheathed on the four shaft bodies of the cross shaft body (1), double-row needles (3) are arranged in the iron-sheet shaft sleeves, two steps are arranged at the root of the cross shaft body, and an outer sealing piece (4) and an inner sealing piece (5) are respectively arranged on the two steps.
Description
Technical field
The utility model relates to a kind of universal joint assembly, especially relates to a kind of heavy truck shaft universal-joint assembly with the iron sheet bearing.
Background technique
Universal-joint cross trunnion of the prior art general all forms by middle axis body and with arm that middle axis body links into an integrated entity.Chinese patent discloses a kind of high-strength universal joint (notice of authorization number: CN 2464984Y), it comprises cross axle and is arranged on the needle roller around the cross axle spindle nose and puts and outer ring that needle roller is outer, the end of outer ring is provided with packing holder, is provided with seal ring skeleton and seal placed on it on described packing holder; And the inboard of described seal is provided with tilting outer lip and inside middle lip and the inner lip of lip successively, and three lips contact with the axle journal of cross axle; Tiltedly be provided with the grinding undercut of annular between internal face and needle roller end face ring, and the needle roller end face ring is in the same plane with the cross axle spindle nose end face that is placed in the needle roller inboard, the inboard of needle roller end face ring is provided with the pad chamber, it is built-in with glass nylon Composition spacer, and the exterior edge face of Composition spacer flushes substantially with described needle roller end face ring; The center line of grinding undercut and bottom plane, outer ring are 35 °～55 ° angles, and its degree of depth is 0.25～0.6mm, and the end is the circular arc ring that radius is 0.3～5.Omm.But the axle sleeve intensity of this universal joint is not high, and sealability is relatively poor, and needle roller is more easy to wear, thereby causes the working life of universal joint shorter, can't be applicable in the transmission shaft of heavy truck.
The model utility content
The utility model is to provide a kind of heavy truck shaft universal-joint assembly with the iron sheet bearing, it is mainly that to solve the axle sleeve intensity of the existing universal joint of prior art not high, and sealability is relatively poor, needle roller is more easy to wear, thereby cause the working life of universal joint shorter, can't be applicable to the medium technical problem of transmission shaft of heavy truck.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
Heavy truck shaft universal-joint assembly with the iron sheet bearing of the present utility model, comprise the cross axle body, all be socketed with the iron sheet axle sleeve on four axis bodies of described cross axle body, be provided with double needle roller in the iron sheet axle sleeve, the root of cross axle body is provided with the twice step, is respectively equipped with outside seal may, inner seal liner on the twice step.On the twice step of cross axle body, outside seal may, inner seal liner are set respectively, make sealing effect better.And adopt the iron sheet axle sleeve, its intensity is stronger.
As preferably, the inner bottom surface of described iron sheet axle sleeve is provided with oil groove.Fluid can be marked with in oil groove, lubricated effect can be played.
As preferably, be provided with pad between the inner bottom surface of described needle roller and iron sheet axle sleeve.Pad can prevent that needle roller from directly contacting iron sheet axle sleeve bottom surface, has avoided the wearing and tearing of needle roller, has extended the working life of universal joint bearing.
As preferably, the center of described cross axle body is provided with oil nozzle.Can inject fluid in universal joint assembly by oil nozzle.
Therefore, axle sleeve intensity of the present utility model is stronger, adopts the two seals part to make sealability better, and needle roller is not easy to wear, and the working life of universal joint is longer, can use in the transmission shaft of heavy truck, and is simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Component, position and numbering in figure: cross axle body 1, iron sheet axle sleeve 2, needle roller 3, outside seal may 4, inner seal liner 5, oil groove 6, pad 7, oil nozzle 8.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the heavy truck shaft universal-joint assembly with the iron sheet bearing of this example, as Fig. 1, comprise cross axle body 1, all be socketed with iron sheet axle sleeve 2 on four axis bodies of cross axle body, be provided with double needle roller 3 in the iron sheet axle sleeve, as Fig. 2, the root of cross axle body is provided with the twice step, is respectively equipped with outside seal may 4, inner seal liner 5 on the twice step.The inner bottom surface of iron sheet axle sleeve is provided with oil groove 6.Be provided with pad 7 between the inner bottom surface of needle roller and iron sheet axle sleeve.The center of cross axle body is provided with oil nozzle 8.
During use, the utility model is packed into to be got final product in the heavy truck transmission shaft.
The above is only specific embodiment of the utility model, but structure characteristic of the present utility model is not limited to this, any those skilled in the art is in field of the present utility model, and the variation of doing or modification all are encompassed among the scope of the claims of the present utility model.
Claims (4)
1. heavy truck shaft universal-joint assembly with the iron sheet bearing, comprise cross axle body (1), it is characterized in that all being socketed with iron sheet axle sleeve (2) on four axis bodies of described cross axle body (1), be provided with double needle roller (3) in the iron sheet axle sleeve, the root of cross axle body is provided with the twice step, is respectively equipped with outside seal may (4), inner seal liner (5) on the twice step.
2. the heavy truck shaft universal-joint assembly with the iron sheet bearing according to claim 1, is characterized in that the inner bottom surface of described iron sheet axle sleeve (2) is provided with oil groove (6).
3. the heavy truck shaft universal-joint assembly with the iron sheet bearing according to claim 1 and 2 is characterized in that being provided with pad (7) between the inner bottom surface of described needle roller (3) and iron sheet axle sleeve (2).
4. the heavy truck shaft universal-joint assembly with the iron sheet bearing according to claim 1 and 2, is characterized in that the center of described cross axle body (1) is provided with oil nozzle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630564 CN202926905U (en) | 2012-11-26 | 2012-11-26 | Heavy-duty truck transmission shaft universal joint assembly with iron-sheet bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630564 CN202926905U (en) | 2012-11-26 | 2012-11-26 | Heavy-duty truck transmission shaft universal joint assembly with iron-sheet bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926905U true CN202926905U (en) | 2013-05-08 |
Family
ID=48216867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220630564 Expired - Fee Related CN202926905U (en) | 2012-11-26 | 2012-11-26 | Heavy-duty truck transmission shaft universal joint assembly with iron-sheet bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526271A (en) * | 2016-01-28 | 2016-04-27 | 杭州正强万向节有限公司 | Universal joint assembly provided with cold extrusion oil groove bearings |
-
2012
- 2012-11-26 CN CN 201220630564 patent/CN202926905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526271A (en) * | 2016-01-28 | 2016-04-27 | 杭州正强万向节有限公司 | Universal joint assembly provided with cold extrusion oil groove bearings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20181126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |