CN205244292U - Heavy -duty car brake cam shaft's lubricating structure - Google Patents
Heavy -duty car brake cam shaft's lubricating structure Download PDFInfo
- Publication number
- CN205244292U CN205244292U CN201520991749.7U CN201520991749U CN205244292U CN 205244292 U CN205244292 U CN 205244292U CN 201520991749 U CN201520991749 U CN 201520991749U CN 205244292 U CN205244292 U CN 205244292U
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- hole
- butter
- oil groove
- heavy
- dust cover
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Abstract
The utility model discloses a heavy -duty car brake cam shaft's lubricating structure, its structure includes camshaft, bush, has the braking bottom plate in bush hole, dust cover, butter mouth, butter passageway, oil groove, through -hole I and grease nipple, and the one end and the butter mouth of grease nipple are connected, and the other end of grease nipple exposes outside the dust cover, communicates in proper order between butter mouth, butter passageway, through -hole I and the oil groove, inside the butter passageway was located the braking bottom plate, the oil groove was located the internal surface of bush, and through -hole I is located the periphery of bush, and the one end and the butter passageway of through -hole I communicate with each other, and the other end and the oil groove of through -hole I communicate with each other. The utility model discloses an useful technological effect does: simple structure, more butter can be stored in handling ease and assembly, long -term effectual lubricated camshaft, the rotation that enables the camshaft is more nimble, has reduced the wearing and tearing of camshaft, has lengthened the life of camshaft.
Description
Technical field
The utility model relates to a kind of heavy-duty automobile brake camshaft, relates in particular to a kind of lubrication system of heavy-duty automobile brake camshaft.
Background technology
In existing automotive engineering, cam shaft bush generally uses fine copper, or copper, steel are composited, on copper layer without oil groove, cam shaft bush can not be stored butter, camshaft lubrication that can not be permanently effective, and the rotation of camshaft is dumb, quick abrasion, service life are short.
Utility model content
For the problem in background technology, the utility model proposes a kind of lubrication system of heavy-duty automobile brake camshaft, its structure comprises camshaft, lining, be provided with back-plate and the dust cover of bush hole, lining is placed in the inner chamber of bush hole, one end of camshaft is placed in the inner chamber of lining, dust cover is connected with one end of back-plate, its improvement is: the lubricating system of heavy-duty automobile brake camshaft also comprises butter mouth, butter passage, oil groove, through hole I and grease nipple, one end of grease nipple is connected with butter mouth, it is also exposed outside dust cover that the other end of grease nipple passes the through hole II being arranged on dust cover, butter mouth, butter passage, between through hole I and oil groove, be communicated with successively,
Butter mouth is positioned on the end face of back-plate one side being connected with dust cover and is adjacent with bush hole, and the inner surface of butter mouth is provided with the internal thread being connected with grease nipple; The diameter of through hole II and grease nipple exposed outside dust cover the diameter of one end match, distributing position and the grease nipple of through hole II on dust cover matches at the distributing position of back-plate;
Butter passage is positioned at back-plate inside, and one end of butter passage communicates with butter mouth, and the other end of butter passage communicates with bush hole middle part;
Oil groove is positioned at the inner surface of lining, and through hole I is positioned in the periphery of lining, and one end of through hole I communicates with butter passage, and the other end of through hole I communicates with oil groove.
Further, in order to improve the wearability of lining and to reduce production costs, the utility model has also been done following improvement: lining comprises copper layer and steel backing, and steel backing is socketed in the periphery of copper layer, and oil groove is positioned at the inner surface of copper layer, and through hole I is positioned in the periphery of steel backing.
Further, in order to improve the butter storage capacity of lining, the utility model has also been done following improvement: in the periphery of steel backing, be also provided with a circle groove, through hole I is positioned at groove.
Further, for the lubricant effect of camshaft, the utility model has also been done following improvement: the quantity of through hole I is two, and two through hole I are symmetricly set in groove.
Further, in order to improve the butter storage capacity of lining and the lubricant effect of raising camshaft, the utility model has also been done following improvement: the quantity of oil groove is two groups or more, respectively organizes between oil groove and is interconnected.
Further, in order to improve the processing of being convenient to butter passage, the utility model has also been done following improvement: the cross section of butter passage becomes ├ shape.
Further, in order to improve the assembling of being convenient to grease nipple and dust cover, the utility model has also been done following improvement: the cross section of through hole II becomes the shape of a hoof.
Useful technique effect of the present utility model is: simple in structure, be convenient to processing and assembling, and can store more butter, permanently effective camshaft lubrication, can make the rotation of camshaft more flexible, has reduced the wearing and tearing of camshaft, has extended the service life of camshaft.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of back-plate;
Fig. 3 is the schematic diagram of lining;
Fig. 4 is the schematic diagram of dust cover;
In figure: camshaft 1, lining 2, back-plate 3, dust cover 4, bush hole 5, butter mouth 6, butter passage 7, oil groove 8, through hole I 9, grease nipple 10, through hole II 11, copper layer 21, steel backing 22, groove 23.
Below in conjunction with drawings and the specific embodiments, the utility model is further described.
Detailed description of the invention
Structure of the present utility model comprises: camshaft 1, lining 2, be provided with back-plate 3 and the dust cover 4 of bush hole 5, lining 2 is placed in the inner chamber of bush hole 5, one end of camshaft 1 is placed in the inner chamber of lining 3, dust cover 4 is connected with one end of back-plate 3, the utility model also comprises butter mouth 6, butter passage 7, oil groove 8, through hole I 9 and grease nipple 10, one end of grease nipple 10 is connected with butter mouth 6, it is also exposed outside dust cover 4 that the other end of grease nipple 10 passes the through hole II 11 being arranged on dust cover 4, butter mouth 6, butter passage 7, between through hole I 9 and oil groove 8, be communicated with successively,
Butter mouth 6 is positioned on the end face of back-plate 3 one sides that are connected with dust cover 4 and is adjacent with bush hole 5, and the inner surface of butter mouth 6 is provided with the internal thread being connected with grease nipple 10; The exposed diameter in dust cover 4 outer one end of the diameter of through hole II 11 and grease nipple 10 matches, and distributing position and the grease nipple 10 of through hole II 11 on dust cover 4 matches at the distributing position of back-plate 3;
Butter passage 7 is positioned at back-plate 3 inside, and one end of butter passage 7 communicates with butter mouth 6, and the other end of butter passage 7 communicates with bush hole 5 middle parts;
Oil groove 8 is positioned at the inner surface of lining 2, and through hole I 9 is positioned in the periphery of lining 2, and one end of through hole I 9 communicates with butter passage 7, and the other end of through hole I 9 communicates with oil groove 8.
Further, lining 2 comprises copper layer 21 and steel backing 22, and steel backing 22 is socketed in the periphery of copper layer 21, and oil groove 8 is positioned at the inner surface of copper layer 21, and through hole I 9 is positioned in the periphery of steel backing 22.
Further, be also provided with a circle groove 23 in the periphery of steel backing 22, through hole I 9 is positioned at groove 23.
Further, the quantity of through hole I 9 is two, and two through hole I 9 are symmetricly set in groove 23.
Further, the quantity of oil groove 8 is two groups or more, respectively organizes between oil groove 8 and is interconnected.
Further, the cross section of butter passage 7 becomes ├ shape.
Further, the cross section of through hole II 11 becomes the shape of a hoof.
Above-described embodiment is the preferred detailed description of the invention of the utility model, and the equivalent variations that those skilled in the art carries out within the scope of the technical solution of the utility model and replacement all should be included in protection domain of the present utility model.
Claims (7)
1. the lubrication system of a heavy-duty automobile brake camshaft, comprise camshaft (1), lining (2), be provided with back-plate (3) and the dust cover (4) of bush hole (5), lining (2) is placed in the inner chamber of bush hole (5), one end of camshaft (1) is placed in the inner chamber of lining (3), dust cover (4) is connected with one end of back-plate (3), it is characterized in that: the lubricating system of described heavy-duty automobile brake camshaft also comprises butter mouth (6), butter passage (7), oil groove (8), through hole I (9) and grease nipple (10), one end of grease nipple (10) is connected with butter mouth (6), it is also exposed outside dust cover (4) that the other end of grease nipple (10) passes the through hole II (11) being arranged on dust cover (4), butter mouth (6), butter passage (7), between through hole I (9) and oil groove (8), be communicated with successively,
Described butter mouth (6) is positioned on the end face of back-plate (3) one sides that are connected with dust cover (4) and is adjacent with bush hole (5), and the inner surface of butter mouth (6) is provided with the internal thread being connected with grease nipple (10); The diameter of described through hole II (11) and grease nipple (10) exposed outside dust cover (4) diameter of one end match, distributing position and the grease nipple (10) of through hole II (11) on dust cover (4) matches at the distributing position of back-plate (3);
Described butter passage (7) is positioned at back-plate (3) inside, and one end of butter passage (7) communicates with butter mouth (6), and the other end of butter passage (7) communicates with bush hole (5) middle part;
Described oil groove (8) is positioned at the inner surface of lining (2), and through hole I (9) is positioned in the periphery of lining (2), and one end of through hole I (9) communicates with butter passage (7), and the other end of through hole I (9) communicates with oil groove (8).
2. the lubrication system of heavy-duty automobile brake camshaft according to claim 1, it is characterized in that: described lining (2) comprises copper layer (21) and steel backing (22), steel backing (22) is socketed in the periphery of copper layer (21), oil groove (8) is positioned at the inner surface of copper layer (21), and through hole I (9) is positioned in the periphery of steel backing (22).
3. the lubrication system of heavy-duty automobile brake camshaft according to claim 2, is characterized in that: in the periphery of described steel backing (22), be also provided with a circle groove (23), through hole I (9) is positioned at groove (23).
4. the lubrication system of heavy-duty automobile brake camshaft according to claim 3, is characterized in that: the quantity of described through hole I (9) is two, and two through hole I (9) are symmetricly set in groove (23).
5. the lubrication system of heavy-duty automobile brake camshaft according to claim 1, is characterized in that: the quantity of described oil groove (8) is two groups or more, respectively organizes between oil groove (8) and is interconnected.
6. the lubrication system of heavy-duty automobile brake camshaft according to claim 1, is characterized in that: the cross section of described butter passage (7) becomes ├ shape.
7. the lubrication system of heavy-duty automobile brake camshaft according to claim 1, is characterized in that: the cross section of described through hole II (11) becomes the shape of a hoof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991749.7U CN205244292U (en) | 2015-12-04 | 2015-12-04 | Heavy -duty car brake cam shaft's lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991749.7U CN205244292U (en) | 2015-12-04 | 2015-12-04 | Heavy -duty car brake cam shaft's lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205244292U true CN205244292U (en) | 2016-05-18 |
Family
ID=55943371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520991749.7U Active CN205244292U (en) | 2015-12-04 | 2015-12-04 | Heavy -duty car brake cam shaft's lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205244292U (en) |
-
2015
- 2015-12-04 CN CN201520991749.7U patent/CN205244292U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401122 No.1, huanghuan North Road, Jinshan Avenue, northern New District, Yubei District, Chongqing Patentee after: SAIC Hongyan Automobile Co.,Ltd. Address before: 401122 No.1, huanghuan North Road, Jinshan Avenue, northern New District, Yubei District, Chongqing Patentee before: SAIC-IVECO HONGYAN commercial Vehicle Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |