CN203348362U - Cross-shaft universal joint without roller pin - Google Patents
Cross-shaft universal joint without roller pin Download PDFInfo
- Publication number
- CN203348362U CN203348362U CN2013203187133U CN201320318713U CN203348362U CN 203348362 U CN203348362 U CN 203348362U CN 2013203187133 U CN2013203187133 U CN 2013203187133U CN 201320318713 U CN201320318713 U CN 201320318713U CN 203348362 U CN203348362 U CN 203348362U
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- Prior art keywords
- spindle nose
- female connector
- wear
- outer female
- joint
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Abstract
The utility model relates to a cross-shaft universal joint without a roller pin. The cross-shaft universal joint without the roller pin comprises a shaft head of a cross-shaft and an external sleeve connected with the shaft head in a sleeved mode. A wear-resistant layer is arranged between the shaft head and the external sleeve. A sealing part is arranged on the root portion where the shaft head and the external sleeve are connected in a sleeved mode. The cross-shaft universal joint without the roller pin is characterized in that the wear-resistant layer is arranged on the surface of the shaft head, and a wear-resistant sleeve fixedly connected with the inner diameter of the external sleeve is arranged between the shaft head and the external sleeve. The wear-resistant sleeve is in clearance fit with the shaft head in a rotating mode, and at least one oil storing cavity is formed in the match face between the wear-resisting sleeve and the shaft head. The cross-shaft universal joint without the roller pin is long in service life, strong in strength, resistant to wear, and capable of adapting to high-strength operation for a long time.
Description
Technical field
The utility model relates to a kind of universal joint, particularly a kind of Hooke's joint without needle roller.
Background technique
Existing microminiature universal joint mainly adopts the needle roller Hooke's joint, and this product mainly exists working life short.Precision is low, noise is large and high rotating speed such as should not be used at shortcoming and the problem.The reason caused: adopting needle-type universal joint subject matter is that the needle roller diameter is little, with axle journal and cover internal diameter surface of contact little (just line contacts), the unit area load is large in use, cause Fast Wearing, because the powder after wearing and tearing has accelerated the wearing and tearing of axle journal needle bush internal diameter, finally cause working life extremely short simultaneously.Structure between axle journal and cover internal diameter is comparatively complicated simultaneously, and gap between the two is larger, and such structure is compact not, affects whole structural strength, and the assembling more complicated that its product is set of needle roller is arranged.
The shortcoming existed for the needle roller Hooke's joint, the patent No. is: relate to a kind of Hooke's joint without needle roller in 200410056135.6 mandate utility model patent, comprise cross axle and the overcoat of being located at its spindle nose, the port part of overcoat arranges oil sealing, and soft wear resisting layer circular or the cylinder cup-shaped is set between overcoat and cross axle.The relative prior art of this model utility the needle roller Hooke's joint arranged, it has simple in structure, characteristics easy to make, that structure is compacter; But there is following shortcoming:
1, wearing layer is arranged between spindle nose and overcoat, and through long working at high speed, outer casing internal diameter certainly will be for have wearing and tearing to a certain degree, can cause certain local pyrexia simultaneously;
2, this structure is high to the material requirements of overcoat;
Once 3, this wearing layer weares and teares fully, universal joint can't work.
The model utility content
For the deficiency existed in background technique, the purpose of this utility model is a kind of Hooke's joint without needle roller, has the advantages that long service life, intensity are high, wear-resistant, can adapt to for a long time the high strength running.
For achieving the above object, the utility model provides following technological scheme: a kind of Hooke's joint without needle roller, comprise cross axle spindle nose and with the outer female connector of its socket, between spindle nose and outer female connector, wearing layer is set, socket root in spindle nose and outer female connector arranges Sealing, its spy is: described wearing layer is arranged on the spindle nose surface, the wear-resistant sleeve be fixedly connected with outer female connector internal diameter is set between spindle nose and outer female connector, wear-resistant sleeve and spindle nose are rotatable Spielpassung, and at least one shoe cream room is set on the fitting surface between wear-resistant sleeve and spindle nose.
The utility model also further is set to: between described spindle nose end and outer female connector inner bottom surface, gap separation is set.
The utility model also further is set to: described shoe cream room is the oil storage hole be arranged on the wear-resistant sleeve aperture surface.
The utility model also further is set to: in the gap between described spindle nose end and outer female connector inner bottom surface, shoe cream room is set.
The utility model also further is set to: the shoe cream room between described spindle nose end and outer female connector inner bottom surface is the oil storage tank be separately positioned on spindle nose end and outer female connector inner bottom surface.
The utility model also further is set to: described wear-resistant sleeve is circular and is socketed on the spindle nose external diameter surface.
The utility model also further is set to: described outer female connector and wear-resistant sleeve be fixedly connected as interference fit.
The utility model also further is set to: described outer female connector and Sealing cooperative end part arrange chamfering.
The utility model beneficial effect compared to existing technology is:
1. the utility model is by the wear-resistant sleeve of setting and outer female connector interference fit between spindle nose and outer female connector, wearing layer is set on spindle nose, be equivalent to the relative fricting movement between wear-resistant sleeve and wearing layer in the working procedure of universal joint, oil storage hole is set on wear-resistant sleeve, store certain lubricant oil in oil storage hole, can reduce the frictional force between spindle nose and outer female connector, overall structure has improved the scurf resistance between spindle nose and outer female connector, the working life that has strengthened product greatly;
2. reserved certain gap separation between the bottom surface of the end face of spindle nose of the present utility model and extraneous cover, do not coordinate contact between the two, do not produce friction, maximum minimizing the overall friction between spindle nose and outer female connector, simultaneously on the bottom surface of the end face of spindle nose and extraneous cover, oil storage tank is set respectively, the lubricant oil in oil storage tank is lubricated oily supply because the effect of centrifugal force is transferred to spindle nose with the surface of contact of extraneous cover in the process of universal joint work;
3. outer female connector of the present utility model and Sealing cooperative end part arrange chamfering, are convenient to outside accessory assembling, play leading role.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
The partial enlarged drawing structural representation that Fig. 2 is A in Fig. 1.
The outer female connector of number in the figure implication: 1-; The 2-wear-resistant sleeve; The 3-spindle nose; The 4-Sealing; The 5-oil storage tank; The 6-oil storage hole; The 7-oil storage tank; The 8-chamfering; The 9-wearing layer.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for the utility model is described, but are not used for limiting scope of the present utility model.
Shown in Fig. 2, a kind of Hooke's joint without needle roller, comprise cross axle spindle nose (3) and with the outer female connector (1) of its socket, between spindle nose (3) and outer female connector (1), wearing layer (9) is set, at spindle nose (3) and the socket root of outer female connector (1), Sealing (4) is set, wearing layer (9) is arranged on spindle nose (3) surface, the wear-resistant sleeve (2) be fixedly connected with outer female connector (1) internal diameter is set between spindle nose (3) and outer female connector (1), wear-resistant sleeve (2) is rotatable Spielpassung with spindle nose (3), on the fitting surface between wear-resistant sleeve (2) and spindle nose (3), at least one shoe cream room is set.Between spindle nose (3) end and outer female connector (1) inner bottom surface, gap separation is set.Shoe cream room is for being arranged on the oil storage hole (6) on wear-resistant sleeve (2) aperture surface.In gap between spindle nose (3) end and outer female connector (1) inner bottom surface, shoe cream room is set.Shoe cream room between spindle nose (3) end and outer female connector (1) inner bottom surface is for being separately positioned on oil storage tank (5) and the oil storage tank (7) on spindle nose (3) end and outer female connector (1) inner bottom surface.Wear-resistant sleeve (2) is circular and is socketed on spindle nose (3) external diameter surface.Outer female connector (1) and wear-resistant sleeve (2) be fixedly connected as interference fit.Outer female connector (1) arranges chamfering (8) with Sealing (4) cooperative end part.
Working principle of the present utility model:
The utility model is the wear-resistant sleeve (2) with outer female connector (1) interference fit by setting between spindle nose (3) and outer female connector (1), wearing layer (9) is set on spindle nose (3), be equivalent to the relative movement between wear-resistant sleeve (2) and wearing layer (9) in the working procedure of universal joint, oil storage hole (6) is set on wear-resistant sleeve (2), store certain lubricant oil in oil storage hole (6), can reduce the frictional force between spindle nose (3) and outer female connector (1), overall structure has improved the scurf resistance between spindle nose (3) and outer female connector (1) greatly, strengthened the working life of product.
Reserved certain gap separation between the bottom surface of the end face of spindle nose of the present utility model (3) and extraneous cover, do not coordinate contact between the two, do not produce friction, maximum minimizing the overall friction between spindle nose (3) and outer female connector (1), simultaneously on the bottom surface of the end face of spindle nose (3) and extraneous cover, oil storage tank is set respectively, the lubricant oil in oil storage tank is lubricated oily supply because the effect of centrifugal force is transferred to spindle nose (3) with the surface of contact of extraneous cover in the process of universal joint work.
Outer female connector of the present utility model (1) arranges chamfering (8) with Sealing (4) cooperative end part, is convenient to outside accessory assembling, plays leading role.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these of above-mentioned hypothesis improve and modification also should be considered as protection domain of the present utility model.
Claims (8)
1. the Hooke's joint without needle roller, comprise cross axle spindle nose and with the outer female connector of its socket, between spindle nose and outer female connector, wearing layer is set, socket root in spindle nose and outer female connector arranges Sealing, its spy is: described wearing layer is arranged on the spindle nose surface, the wear-resistant sleeve be fixedly connected with outer female connector internal diameter is set between spindle nose and outer female connector, and wear-resistant sleeve and spindle nose are rotatable Spielpassung, and at least one shoe cream room is set on the fitting surface between wear-resistant sleeve and spindle nose.
2. a kind of Hooke's joint without needle roller according to claim 1, is characterized in that: between described spindle nose end and outer female connector inner bottom surface, gap separation is set.
3. a kind of Hooke's joint without needle roller according to claim 1, it is characterized in that: described shoe cream room is the oil storage hole be arranged on the wear-resistant sleeve aperture surface.
4. a kind of Hooke's joint without needle roller according to claim 2, is characterized in that: in the gap between described spindle nose end and outer female connector inner bottom surface, shoe cream room is set.
5. a kind of Hooke's joint without needle roller according to claim 4, it is characterized in that: the shoe cream room between described spindle nose end and outer female connector inner bottom surface is the oil storage tank be separately positioned on spindle nose end and outer female connector inner bottom surface.
6. according to the described a kind of Hooke's joint without needle roller of claim 1 or 3, it is characterized in that: described wear-resistant sleeve is circular and is socketed on the spindle nose external diameter surface.
7. a kind of Hooke's joint without needle roller according to claim 1 is characterized in that: described outer female connector and wear-resistant sleeve be fixedly connected as interference fit.
8. a kind of Hooke's joint without needle roller according to claim 1, it is characterized in that: described outer female connector and Sealing cooperative end part arrange chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203187133U CN203348362U (en) | 2013-06-04 | 2013-06-04 | Cross-shaft universal joint without roller pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203187133U CN203348362U (en) | 2013-06-04 | 2013-06-04 | Cross-shaft universal joint without roller pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348362U true CN203348362U (en) | 2013-12-18 |
Family
ID=49748268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203187133U Expired - Fee Related CN203348362U (en) | 2013-06-04 | 2013-06-04 | Cross-shaft universal joint without roller pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291770A (en) * | 2013-06-04 | 2013-09-11 | 杭州金易园汽车零部件有限公司 | Cross shaft universal joint without roller pin |
-
2013
- 2013-06-04 CN CN2013203187133U patent/CN203348362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291770A (en) * | 2013-06-04 | 2013-09-11 | 杭州金易园汽车零部件有限公司 | Cross shaft universal joint without roller pin |
| CN103291770B (en) * | 2013-06-04 | 2016-08-10 | 杭州金易园汽车零部件有限公司 | A kind of Hooke's joint without needle roller |
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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: 20131218 Termination date: 20150604 |
|
| EXPY | Termination of patent right or utility model |