CN214499831U - Two-end DOJ self-positioning type constant velocity universal joint driving shaft assembly - Google Patents
Two-end DOJ self-positioning type constant velocity universal joint driving shaft assembly Download PDFInfo
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- CN214499831U CN214499831U CN202120057069.3U CN202120057069U CN214499831U CN 214499831 U CN214499831 U CN 214499831U CN 202120057069 U CN202120057069 U CN 202120057069U CN 214499831 U CN214499831 U CN 214499831U
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Abstract
A two-end DOJ self-positioning constant velocity universal joint drive shaft assembly. The problem that the current universal joint assembly slippage is not very big, can not satisfy the demand has mainly been solved. The method is characterized in that: the first slip end universal joint comprises a first outer bell shell, and the second slip end universal joint comprises a second outer bell shell; the intermediate shaft comprises a first shaft and a second shaft, a sliding groove is axially arranged on the first shaft, one end of the second shaft extends into the sliding groove to be in sliding fit with the sliding groove, a first elastic piece is arranged between the second shaft and the inner wall of the bottom of the sliding groove, one end of the second shaft extends into the second bell-shaped shell, a second elastic piece is arranged on the outer axial end face of the second shaft and the inner wall of the second bell-shaped shell, and one end of the first shaft extends into the first bell-shaped shell, and a third elastic piece is arranged on the outer axial end face of the first shaft and the inner wall of the first bell-shaped shell. The utility model provides a both ends DOJ is from line location formula constant velocity cardan joint drive shaft assembly can slide relatively between primary shaft and the secondary shaft, and the primary shaft all is equipped with the elastic component with the second shaft ten thousand ends moreover, and the volume of sliding is great, and application scope is wide.
Description
Technical Field
The utility model relates to an automobile parts field, concretely relates to both ends DOJ is from line location formula constant velocity cardan joint drive shaft assembly.
Background
With the continuous development of the automobile industry, people have higher and higher requirements on the performance of the whole automobile. In an automobile transmission system, in order to make an output shaft and an input shaft in the same plane rotate at a constant speed, a constant-speed universal joint drive shaft assembly adopting double-universal joint transmission is often adopted. The constant velocity universal joint driving shaft assembly is a power transmission device between an automobile engine and a driving wheel, and is used for providing the traction force and the speed required by an automobile under various working conditions, simultaneously enabling the traction force and the speed to be coordinated and changed and having enough change range, and ensuring that left and right driving wheels of the automobile can meet the requirement of differential speed.
The slippage of the existing universal joint assembly is not very large, and the requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a both ends DOJ is from line location formula constant velocity cardan joint drive shaft assembly has mainly solved present cardan joint assembly slippage and is not very big, can not satisfy the problem of demand.
The utility model discloses a concrete implementation scheme does:
a two-end DOJ self-positioning type constant velocity universal joint driving shaft assembly comprises an intermediate shaft, wherein one end of the intermediate shaft is provided with a first sliding end universal joint, the other end of the intermediate shaft is provided with a second sliding end universal joint, the first sliding end universal joint comprises a first bell-shaped shell, and the second sliding end universal joint comprises a second bell-shaped shell; the middle shaft comprises a first shaft and a second shaft, a sliding groove is axially arranged on the first shaft, one end of the second shaft extends into the sliding groove to be in sliding fit with the sliding groove, a first elastic piece is arranged between the second shaft and the inner wall of the bottom of the sliding groove, one end of the second shaft extends into the second bell-shaped shell, a second elastic piece is arranged on the outer axial end face of the second shaft and the inner wall of the second bell-shaped shell, and one end of the first shaft extends into the first bell-shaped shell, a third elastic piece is arranged on the outer axial end face of the first shaft and the inner wall of the first bell-shaped shell.
The first elastic piece is a spring.
The second elastic piece and the third elastic piece are springs.
The first shaft and the second shaft are in transmission through a flat key.
The first shaft is axially provided with a truncated cone-shaped boss, and one end of the third elastic piece is sleeved outside the boss.
Still include the dust cover, dust cover one end through first clamp with intermediate shaft is connected, the other end through the second clamp with first bell shell circumference outer wall connection.
The outer wall of the first bell-shaped shell is provided with an annular groove, and the inner wall of the dust cover is provided with a convex ring in clamping fit with the annular groove.
The dust cover back is equipped with the constant head tank, second clamp inner wall be equipped with constant head tank joint complex location arch.
The utility model has the advantages that: the utility model provides a both ends DOJ is from positioning type constant velocity cardan joint drive shaft assembly can slide relatively between primary shaft and the secondary shaft, and primary shaft and secondary shaft outer end all are equipped with the elastic component moreover, and the volume of sliding is great, and application scope is wide.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 2 is a schematic partial sectional view of an embodiment of the present invention.
Fig. 3 is a schematic partial sectional view of an embodiment of the present invention.
Fig. 4 is an enlarged schematic view of a portion a of fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: the utility model provides a both ends DOJ is from line location formula constant velocity cardan joint drive shaft assembly, includes jackshaft 1, jackshaft one end is equipped with first end universal joint 2 that slides, and the other end is equipped with second end universal joint 3 that slides, its characterized in that: the first slip end joint comprises a first outer race 21 and the second slip end joint comprises a second outer race 31; the intermediate shaft comprises a first shaft 11 and a second shaft 12, a sliding groove 111 is axially arranged on the first shaft, one end of the second shaft extends into the sliding groove to be in sliding fit with the sliding groove, a first elastic piece 41 is arranged between the second shaft and the inner wall of the bottom of the sliding groove, one end of the second shaft extends into the second bell-shaped shell, a second elastic piece 42 is arranged on the outer axial end face of the second shaft and the inner wall of the second bell-shaped shell, one end of the first shaft extends into the first bell-shaped shell, and a third elastic piece 43 is arranged on the outer axial end face of the first shaft and the inner wall of the first bell-shaped shell. The utility model provides a both ends DOJ is from positioning type constant velocity cardan joint drive shaft assembly can slide relatively between primary shaft and the secondary shaft, and primary shaft and secondary shaft outer end all are equipped with the elastic component moreover, and the volume of sliding is great, and application scope is wide. The first and second shafts may transmit torque through the splines. Compared with the traditional constant velocity universal joint driving shaft assembly, the sliding quantity area of the product with the structure is enlarged and can reach (75-100) mm. This product compares for traditional constant velocity universal joint drive shaft assembly, and inside is provided with return spring, and return spring both ends support the jackshaft respectively and remove the inside spring that is equipped with of end rzeppa casing and jackshaft, guarantee that the jackshaft is in the intermediate position at the end, realize self-align, and drive shaft assembly normal during operation, return spring in the movable joint is in compression state, leans on two movable joints top on derailleur and wheel hub bearing, eliminates axial clearance. For three pin type movable joint six channel type movable joints for the cooperation of little clearance, reduce drive shaft assembly circumference clearance, strengthened power transmission's stationarity, promote whole car travelling comfort and NVH performance.
In this embodiment, as shown in the figure, the first elastic member is a spring.
In this embodiment, as shown in the figure, the second elastic member and the third elastic member are springs.
In the present embodiment, as shown, the first shaft and the second shaft are in flat key transmission.
In this embodiment, as shown in the figure, the first shaft is axially provided with a truncated cone shaped boss 231, and one end of the third elastic element is sleeved outside the boss.
In this embodiment, as shown in the figure, a dust cover 5 is further included, one end of the dust cover is connected with the intermediate shaft through a first clamp, and the other end of the dust cover is connected with the circumferential outer wall of the first outer bell housing through a second clamp 52.
In this embodiment, as shown in the figure, the outer wall of the first bell housing is provided with an annular groove 211, and the inner wall of the dust cover is provided with a convex ring 53 which is in snap fit with the annular groove.
In this embodiment, as shown in the figure, the back of the dust cover is provided with a positioning groove 54, and the inner wall of the second clamp is provided with a positioning protrusion 521 for snap-fit engagement with the positioning groove.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (8)
1. The utility model provides a both ends DOJ is from line location formula constant velocity cardan joint drive shaft assembly, includes jackshaft (1), jackshaft one end is equipped with first end universal joint (2) that slides, and the other end is equipped with second end universal joint (3) that slides, its characterized in that: the first slip end joint comprises a first outer bell (21) and the second slip end joint comprises a second outer bell (31);
the intermediate shaft comprises a first shaft (11) and a second shaft (12), the first shaft is axially provided with a sliding groove (111), one end of the second shaft extends into the sliding groove to be in sliding fit with the sliding groove, a first elastic piece (41) is arranged between the second shaft and the inner wall of the bottom of the sliding groove, one end of the second shaft extends into the second bell-shaped shell, and a second elastic piece (42) is arranged between the outer axial end face and the inner wall of the second bell-shaped shell,
one end of the first shaft extends into the first bell-shaped shell, and a third elastic piece (43) is arranged on the outer axial end face and the inner wall of the first bell-shaped shell.
2. A two-end DOJ self-locating constant velocity joint driveshaft assembly according to claim 1, wherein: the first elastic piece is a spring.
3. A two-end DOJ self-locating constant velocity joint driveshaft assembly according to claim 2, wherein: the second elastic piece and the third elastic piece are springs.
4. A two-end DOJ self-locating constant velocity joint driveshaft assembly according to claim 3, wherein: the first shaft and the second shaft are in transmission through a flat key.
5. A two-end DOJ self-locating constant velocity joint driveshaft assembly according to claim 4, wherein: the first shaft is axially provided with a truncated cone-shaped boss (231), and one end of the third elastic element is sleeved outside the boss.
6. A two-end DOJ self-locating constant velocity joint driveshaft assembly according to claim 5, wherein: still include dust cover (5), dust cover one end through first clamp with the intermediate shaft is connected, the other end through second clamp (52) with first bell housing circumference outer wall is connected.
7. A two-end DOJ self-locating constant velocity joint driveshaft assembly according to claim 6, wherein: the outer wall of the first bell-shaped shell is provided with an annular groove (211), and the inner wall of the dust cover is provided with a convex ring (53) in clamping fit with the annular groove.
8. A two-end DOJ self-locating constant velocity joint driveshaft assembly according to claim 7, wherein: the dust cover back is equipped with constant head tank (54), the second clamp inner wall be equipped with constant head tank joint complex location arch (521).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057069.3U CN214499831U (en) | 2021-01-11 | 2021-01-11 | Two-end DOJ self-positioning type constant velocity universal joint driving shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057069.3U CN214499831U (en) | 2021-01-11 | 2021-01-11 | Two-end DOJ self-positioning type constant velocity universal joint driving shaft assembly |
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| Publication Number | Publication Date |
|---|---|
| CN214499831U true CN214499831U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120057069.3U Active CN214499831U (en) | 2021-01-11 | 2021-01-11 | Two-end DOJ self-positioning type constant velocity universal joint driving shaft assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673736A (en) * | 2022-01-27 | 2022-06-28 | 安徽英克尔汽车零部件有限公司 | Assembled transmission shaft assembly with large swing angle and large slippage and manufacturing method thereof |
-
2021
- 2021-01-11 CN CN202120057069.3U patent/CN214499831U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673736A (en) * | 2022-01-27 | 2022-06-28 | 安徽英克尔汽车零部件有限公司 | Assembled transmission shaft assembly with large swing angle and large slippage and manufacturing method thereof |
| CN114673736B (en) * | 2022-01-27 | 2024-04-30 | 安徽英克尔汽车零部件有限公司 | Large-swing-angle large-slippage assembled transmission shaft assembly and manufacturing method thereof |
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