CN201475188U - Connecting axle structure of cross-axle universal joint - Google Patents
Connecting axle structure of cross-axle universal joint Download PDFInfo
- Publication number
- CN201475188U CN201475188U CN2009202331018U CN200920233101U CN201475188U CN 201475188 U CN201475188 U CN 201475188U CN 2009202331018 U CN2009202331018 U CN 2009202331018U CN 200920233101 U CN200920233101 U CN 200920233101U CN 201475188 U CN201475188 U CN 201475188U
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- China
- Prior art keywords
- groove
- coupling shaft
- fin
- cross
- axle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a connecting axle structure of a cross-axle universal joint, which is characterized in that a connecting groove is respectively arranged at the two sides of a connecting axle, and at least one rib is arranged on the surface of the connecting groove; the two walls of the connecting groove are internally concave to form depressions, and simultaneously the two walls of the opening of the connecting groove form projections; a groove corresponding to the rib is arranged on one end surface of a connecting end, and the rib is exactly clamped in the groove, and pits corresponding to the projections are arranged on the two outer side walls of the connected end; the projections are exactly clamped in the pits, and shoulders are formed on the two outer side walls of one end of the connecting end; and gradual transitions are arranged between the shoulders and the two outer side walls of the connecting end. In the specific implementation, the shoulders are accommodated in depressed spaces, the pits are clamped on the projections, and the ribs are clamped in the grooves to play the positioning role, and thereby, the assembled connecting end is tightly matched and fixed with the connecting axle, the service wear of the cross axle is reduced, and the work life of the product is prolonged; and the connecting axle and the connecting end are integrally made by wire cut, and thereby, the process is simple, and the requirements of the processing precision of the product can be ensured.
Description
Technical field
The utility model relates to the universal joint field, especially a kind of coupling shaft structure of cross-axle universal shaft joint.
Background technique
The cross coupling shaft structure of existing universal joint mostly is greatly at the middle part of coupling shaft 1 offers through hole 11, the connecting rod 3 that one end riveted is fixed with a connecting end 2 wore through hole 11 backs and fixed with another connecting end 2 riveteds, coupling shaft 1 sidewall surfaces and two connecting ends 2 at through hole 11 two ends are formed with position structure commonly used near complementing one another on the end face of coupling shaft 1, above-mentioned existing cross coupling shaft structure is had relatively high expectations to the position and the aperture precision of through hole 11 on the one hand, manufacture difficulty is big and product rejection rate is high, the manufacture cost height, on the other hand in long-term using process, only depend on position structure restriction connecting rod 3 relatively rotating in through hole 11 commonly used to make the position structure wearing and tearing easily, influence the working life of cross coupling shaft.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of coupling shaft structure of cross-axle universal shaft joint, can significantly improve the product operating life, and fabricating cost is cheap.
The utility model for the technological scheme that solves its technical problem and adopt is:
A kind of coupling shaft structure of cross-axle universal shaft joint, form by coupling shaft and two connecting ends, these coupling shaft both sides offer connecting groove respectively, the groove face of described connecting groove is provided with at least one fin, inner concave shape is in depression on two cell walls of this connecting groove, on opening two cell walls of connecting groove, form projection simultaneously, offer and described fin corresponding groove on described connecting end one end face, described fin just can correspondence be fastened in the described groove, offer on two outer side walls of connecting end and the corresponding pit of described projection, described projection just can be fastened in the described pit, simultaneously on these connecting end one end two outer side walls, form shoulder, be gradual transition between the outer side wall of described shoulder and described connecting end, during concrete enforcement, the shoulder of connecting end just can be placed in the sinking space of connecting groove, the pit of connecting end just can be equipped on the projection of connecting groove, two connecting end location cards are formed in two connecting grooves of coupling shaft, the fin of connecting groove just can be fastened in the groove of connecting end and play positioning action again, thereby connecting end and coupling shaft after the assembling are tightly fixed, this structure that is tightly fixed has reduced the wearing and tearing of cross axle in long-term using process, has significantly improved the operating life of cross axle; Coupling shaft and connecting end can be the one line and cut making again, can guarantee relatively to reach required precision and reduce product rejection rate, and processing technology is simple and fabricating cost is comparatively cheap.
As further improvement of the utility model, middle part and relative coupling shaft shaft axis that the connecting groove of coupling shaft both sides is located at described coupling shaft are symmetry.
As further improvement of the utility model; fin is symmetrical in this groove face center line vertical with the coupling shaft shaft axis; if two above fins are for being symmetrically distributed in described center line both sides; if fin then fin just coincides with described center line; certainly fin can be symmetrical in the geometrical center of this groove face, is similarly this routine protection domain.
As further improvement of the utility model, the groove face of described connecting groove is provided with a fin that connects groove face, and this fin is located on this groove face center line vertical with the coupling shaft shaft axis, and corresponding described connecting end one end face offers a groove.
As further improvement of the utility model, described fin is the straight line type fin, and described groove is the straight line type groove.
As further improvement of the utility model, described depression is the straight line type depression, and described pit is the straight line type pit.
As further improvement of the utility model, the bottom pitted surface that described pit is connected with described shoulder offers the circular arc recess, destroys the drive fit of connecting end and coupling shaft to prevent using process protrusions friction pit.
The beneficial effects of the utility model are: the shoulder of connecting end just can be placed in the sinking space of connecting groove, the pit of connecting end just can be equipped on the projection of connecting groove, two connecting end location cards are formed in two connecting grooves of coupling shaft, the fin of connecting groove just can be fastened in the groove of connecting end and play positioning action again, thereby connecting end and coupling shaft after the assembling are tightly fixed, this structure that is tightly fixed has reduced the wearing and tearing of cross axle in long-term using process, has significantly improved the operating life of cross axle; Coupling shaft and connecting end can be the one line and cut making again, can guarantee relatively to reach required precision and reduce product rejection rate, and processing technology is simple and fabricating cost is comparatively cheap.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic representation of Fig. 1;
Fig. 3 is an another kind of structural representation of the present utility model;
Fig. 4 is the STRUCTURE DECOMPOSITION schematic representation of Fig. 3;
Fig. 5 is the prior art constructions decomposing schematic representation that the utility model contrasted;
Fig. 6 is the assembly structure schematic representation of Fig. 5.
Embodiment
Embodiment: a kind of coupling shaft structure of cross-axle universal shaft joint, form by coupling shaft 1 and two connecting ends 2, these coupling shaft 1 both sides offer connecting groove 10 respectively, the groove face of described connecting groove 10 is provided with at least one fin 101, inner concave shape is in depression 102 on two cell walls of this connecting groove 10, on opening two cell walls of connecting groove 10, form projection 103 simultaneously, offer on described connecting end 2 one end faces and described fin 101 corresponding groove 21, described fin 101 just can correspondence be fastened in the described groove 21, offer on two outer side walls of connecting end 2 and described protruding 103 corresponding pits 22, described protruding 103 just can be fastened in the described pit 22, on these connecting end 2 one ends two outer side walls, form shoulder 23 simultaneously, be gradual transition between the outer side wall of described shoulder 23 and described connecting end 2, during concrete enforcement, the shoulder 23 of connecting end 2 just can be placed in depression 102 spaces of connecting groove 10, the pit 22 of connecting end 2 just can be equipped on the projection 103 of connecting groove 10, two connecting ends, 2 location cards are formed in two connecting grooves 10 of coupling shaft 1, the fin 101 of connecting groove 10 just can be fastened in the groove 21 of connecting end 2 and play positioning action again, thereby the connecting end 2 after the assembling is tightly fixed with coupling shaft 1, this structure that is tightly fixed has reduced the wearing and tearing of cross axle in long-term using process, has significantly improved the operating life of cross axle; Coupling shaft 1 can be the one line with connecting end 2 and cuts making again, can guarantee relatively to reach required precision and reduces product rejection rate, and processing technology is simple and fabricating cost is comparatively cheap.
Middle part and relative coupling shaft shaft axis that the connecting groove 10 of coupling shaft 1 both sides is located at described coupling shaft 1 are symmetry.
The groove face of described connecting groove 10 is provided with a fin 101 that connects groove face, and this fin 101 is located on this groove face center line vertical with the coupling shaft shaft axis, and corresponding described connecting end 2 one end faces offer a groove 21.
Described fin 101 is the straight line type fin, and described groove 21 is the straight line type groove.
Described depression 102 is the straight line type depression, and described pit 22 is the straight line type pit.
Described pit 22 offers circular arc recess 220 with the bottom pitted surface that described shoulder 23 is connected, and destroys the drive fit of connecting end 2 and coupling shaft 1 to prevent using process protrusions 103 friction pits 22.
Claims (7)
1. the coupling shaft structure of a cross-axle universal shaft joint, it is characterized in that: form by coupling shaft (1) and two connecting ends (2), these coupling shaft both sides offer connecting groove (10) respectively, the groove face of described connecting groove is provided with at least one fin (101), inner concave shape be in depression (102) on two cell walls of this connecting groove, on opening two cell walls of connecting groove, form projection (103) simultaneously, offer and described fin (101) corresponding groove (21) on described connecting end one end face, described fin (101) just can correspondence be fastened in the described groove (21), offer the pit (22) corresponding on two outer side walls of connecting end with described projection (103), described projection (103) just can be fastened in the described pit (22), simultaneously on these connecting end one end two outer side walls, form shoulder (23), be gradual transition between the outer side wall of described shoulder (23) and described connecting end.
2. the coupling shaft structure of cross-axle universal shaft joint according to claim 1 is characterized in that: middle part and relative coupling shaft shaft axis that the connecting groove of coupling shaft both sides (10) is located at described coupling shaft are symmetry.
3. the coupling shaft structure of cross-axle universal shaft joint according to claim 1 is characterized in that: fin (101) is symmetrical in this groove face center line vertical with the coupling shaft shaft axis.
4. the coupling shaft structure of cross-axle universal shaft joint according to claim 3, it is characterized in that: the groove face of described connecting groove is provided with a fin (101) that connects groove face, this fin is located on this groove face center line vertical with the coupling shaft shaft axis, and corresponding described connecting end one end face offers a groove (21).
5. according to the coupling shaft structure of claim 1 or 3 described cross-axle universal shaft joints, it is characterized in that: described fin is the straight line type fin, and described groove is the straight line type groove.
6. the coupling shaft structure of cross-axle universal shaft joint according to claim 1 is characterized in that: described depression is the straight line type depression, and described pit is the straight line type pit.
7. according to the coupling shaft structure of claim 1 or 6 described cross-axle universal shaft joints, it is characterized in that: the bottom pitted surface that described pit (22) is connected with described shoulder (23) offers circular arc recess (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202331018U CN201475188U (en) | 2009-07-14 | 2009-07-14 | Connecting axle structure of cross-axle universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202331018U CN201475188U (en) | 2009-07-14 | 2009-07-14 | Connecting axle structure of cross-axle universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201475188U true CN201475188U (en) | 2010-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202331018U Expired - Fee Related CN201475188U (en) | 2009-07-14 | 2009-07-14 | Connecting axle structure of cross-axle universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201475188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900168B (en) * | 2009-07-14 | 2012-04-18 | 昆山威创精密机械有限公司 | Connecting shaft structure of cross shaft universal joint |
| CN102847483A (en) * | 2012-09-11 | 2013-01-02 | 姬志刚 | Pot-scraping and stirring mechanism |
-
2009
- 2009-07-14 CN CN2009202331018U patent/CN201475188U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900168B (en) * | 2009-07-14 | 2012-04-18 | 昆山威创精密机械有限公司 | Connecting shaft structure of cross shaft universal joint |
| CN102847483A (en) * | 2012-09-11 | 2013-01-02 | 姬志刚 | Pot-scraping and stirring mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20120714 |