CN212318566U - Light wear-resisting cross universal joint - Google Patents
Light wear-resisting cross universal joint Download PDFInfo
- Publication number
- CN212318566U CN212318566U CN202020518751.3U CN202020518751U CN212318566U CN 212318566 U CN212318566 U CN 212318566U CN 202020518751 U CN202020518751 U CN 202020518751U CN 212318566 U CN212318566 U CN 212318566U
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- Prior art keywords
- fork
- wear
- hole
- resistant layer
- limiting
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- Expired - Fee Related
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Abstract
The utility model provides a light wear-resistant cross universal joint, which comprises a cross shaft and a transmission shaft fork, wherein the transmission shaft fork comprises a connecting hub and two fork lugs, the two fork lugs are respectively arranged at two sides of the connecting hub, and coaxial fork holes are arranged on the fork lugs; the inner side of each fork hole is provided with a wear-resistant layer, the inner side of each fork hole is connected with the outer side of the wear-resistant layer through threads, a limiting hole is formed at the connecting part of the inner wall of each fork hole and the wear-resistant layer, and a limiting column is arranged in each limiting hole; the utility model has the advantages that: the detachable wear-resistant layer is arranged on the inner side of the fork hole, so that the wear-resistant layer can be replaced after the wear-resistant layer is worn, the whole transmission shaft fork does not need to be replaced, the replacement difficulty and cost are saved, the fork hole is connected with the wear-resistant layer through threads, the limiting column is arranged for limiting, the wear-resistant layer can not fall off in long-time operation when being convenient to detach, and safety and reliability are guaranteed.
Description
Technical Field
The utility model relates to a universal joint technical field especially relates to a wear-resisting cross universal joint of light.
Background
The universal joint is a machine part for realizing variable-angle power transmission and is used for changing the position of a transmission axis direction.
The cross universal joint is a commonly used one in the universal joint, including parts such as cross axle and transmission shaft fork, at the rotation in-process, can produce the friction between transmission shaft fork hole inner wall and the cross axle, long-term use wearing and tearing seriously lead to needing to be changed, it is comparatively simple to dismantle between cross axle and the transmission shaft fork, but generally adopt integrated into one piece between transmission shaft fork and the fixed axle, logout, connected modes such as bolt, comparatively difficult dismantlement, and produce the gap in the junction easily after dismantling many times, influence the transmission, consequently, need prolong the life of transmission shaft fork, reduce the wearing and tearing that produce between fork hole and the cross axle.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a wear-resisting cross universal joint of light.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
a light wear-resistant cross universal joint comprises a cross shaft and a transmission shaft fork, wherein the transmission shaft fork comprises a connecting hub and two fork lugs, the two fork lugs are respectively arranged on two sides of the connecting hub, and coaxial fork holes are formed in the fork lugs; the wear-resistant layer is arranged on the inner side of the fork hole, the inner side of the fork hole is in threaded connection with the outer side of the wear-resistant layer, a limiting hole is formed in the connection position of the inner wall of the fork hole and the wear-resistant layer, and a limiting column is arranged in the limiting hole.
As an improvement of the technical scheme, the limiting column is a rubber column, and the rubber column is in interference fit with the limiting hole.
As an improvement of the technical scheme, the limiting column is a bolt.
As an improvement of the above technical solution, the bolt includes a head, a screw, and a nut; and two ends of the limiting hole are respectively provided with a first groove for accommodating the head and a second groove for accommodating the nut.
As an improvement of the technical scheme, a rubber sleeve is arranged between the screw and the limiting hole.
As an improvement of the technical scheme, a rubber pad is arranged between the head and the first groove, and a rubber pad is arranged between the nut and the second groove.
The utility model has the advantages that: the detachable wear-resistant layer is arranged on the inner side of the fork hole, so that the wear-resistant layer can be replaced after the wear-resistant layer is worn, the whole transmission shaft fork does not need to be replaced, the replacement difficulty and cost are saved, the fork hole is connected with the wear-resistant layer through threads, the limiting column is arranged for limiting, the wear-resistant layer can not fall off in long-time operation when being convenient to detach, and safety and reliability are guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a lightweight wear-resistant universal joint according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a fork ear according to an embodiment of the present invention;
the connecting hub 10, the fork lug 20, the fork hole 30, the wear-resistant layer 40, the limiting hole 50, the first groove 51, the second groove 52, the limiting column 60, the head 61, the screw 62 and the nut 63.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1, the lightweight wear-resistant universal joint according to the present embodiment includes a cross shaft and a transmission shaft fork, the transmission shaft fork includes a connecting hub 10 and two fork lugs 20, the two fork lugs 20 are respectively disposed on two sides of the connecting hub 10, and the fork lugs 20 are provided with coaxial fork holes 30; the method is characterized in that: the inner side of the fork hole 30 is provided with a wear-resistant layer 40, the inner side of the fork hole 30 is in threaded connection with the outer side of the wear-resistant layer 40, a plurality of limiting holes 50 are formed in the joints of the inner wall of the fork hole 30 and the wear-resistant layer 40, limiting columns 60 are arranged in the limiting holes 50, and the limiting holes 50 are preferably even in number and are symmetrically arranged, so that the stress of the wear-resistant layer 40 is balanced.
The detachable wearing layer 40 is arranged on the inner side of the fork hole 30, the wearing layer 40 can be replaced after the wearing layer is worn, the whole transmission shaft fork does not need to be replaced, the replacement difficulty and cost are saved, the fork hole 30 is in threaded connection with the wearing layer 40, the limiting column 60 is arranged for limiting, the wear-resistant transmission shaft fork is convenient to detach and cannot fall off in long-time operation, and safety and reliability are guaranteed.
The limiting column 60 is a rubber column, and the rubber column is in interference fit with the limiting hole 50; the rubber column is cheap and easy to install and disassemble, the rubber column is only required to be driven into the limiting hole 50, when the rubber column needs to be disassembled, the rubber column is driven out of the limiting hole 50, and the rubber column also needs to be replaced simultaneously when the wear-resistant layer 40 is replaced; the rubber column is in interference fit with the limiting hole 50, so that the wear-resistant layer 40 cannot rotate in the fork hole 30, and the structure is tighter.
The limiting column 60 is provided as a bolt; the bolt is the rigidity piece, and anti shear capacity is strong, and when wearing layer 40 produced the displacement with fork hole 30, spacing post 60 received great shearing force, sets up to the bolt can adapt to the heavy load environment, and the suitability of universal joint is wider.
As shown in fig. 2, the bolt includes a head 61, a screw 62, and a nut 63; the two ends of the limiting hole 50 are respectively provided with a first groove 51 for accommodating the head 61 and a second groove 52 for accommodating the nut 63.
A rubber sleeve is arranged between the screw 62 and the limiting hole 50; the wear of the screw 62 is reduced, so that only the rubber sleeve needs to be replaced at the same time when the wear-resistant layer 40 is replaced, and the shearing resistance of the screw 62 is not influenced.
A rubber pad is arranged between the head part 61 and the first groove 51, and a rubber pad is arranged between the nut 63 and the second groove 52; anti-slip and anti-loosening.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A light wear-resistant cross universal joint comprises a cross shaft and a transmission shaft fork, wherein the transmission shaft fork comprises a connecting hub (10) and two fork lugs (20), the two fork lugs (20) are respectively arranged at two sides of the connecting hub (10), and coaxial fork holes (30) are formed in the fork lugs (20); the method is characterized in that: the wear-resistant layer (40) is arranged on the inner side of the fork hole (30), the inner side of the fork hole (30) is connected with the outer side of the wear-resistant layer (40) through threads, a limiting hole (50) is formed in the joint of the inner wall of the fork hole (30) and the wear-resistant layer (40), and a limiting column (60) is arranged in the limiting hole (50).
2. A lightweight, wear-resistant cross joint as set forth in claim 1, wherein: the limiting column (60) is arranged to be a rubber column, and the rubber column is in interference fit with the limiting hole (50).
3. A lightweight, wear-resistant cross joint as set forth in claim 1, wherein: the limiting columns (60) are bolts.
4. A lightweight, wear-resistant cross joint as set forth in claim 3, wherein: the bolt comprises a head (61), a screw (62) and a nut (63); and a first groove (51) for accommodating the head (61) and a second groove (52) for accommodating the nut (63) are respectively arranged at two ends of the limiting hole (50).
5. A lightweight, wear-resistant cross joint as set forth in claim 4, wherein: and a rubber sleeve is arranged between the screw rod (62) and the limiting hole (50).
6. A lightweight, wear-resistant cross joint as set forth in claim 5, wherein: a rubber pad is arranged between the head part (61) and the first groove (51), and a rubber pad is arranged between the nut (63) and the second groove (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518751.3U CN212318566U (en) | 2020-04-09 | 2020-04-09 | Light wear-resisting cross universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518751.3U CN212318566U (en) | 2020-04-09 | 2020-04-09 | Light wear-resisting cross universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318566U true CN212318566U (en) | 2021-01-08 |
Family
ID=74020555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020518751.3U Expired - Fee Related CN212318566U (en) | 2020-04-09 | 2020-04-09 | Light wear-resisting cross universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318566U (en) |
-
2020
- 2020-04-09 CN CN202020518751.3U patent/CN212318566U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 |