CN218367391U - Transmission shaft for independent suspension - Google Patents
Transmission shaft for independent suspension Download PDFInfo
- Publication number
- CN218367391U CN218367391U CN202222387096.4U CN202222387096U CN218367391U CN 218367391 U CN218367391 U CN 218367391U CN 202222387096 U CN202222387096 U CN 202222387096U CN 218367391 U CN218367391 U CN 218367391U
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- shaft
- half shaft
- joint
- independent suspension
- transmission shaft
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Abstract
The utility model discloses a transmission shaft for an independent suspension, which comprises a transmission shaft tube, wherein one end of the transmission shaft tube is articulated with an inner half shaft through an inner cross shaft type universal joint, and the other end of the transmission shaft tube is articulated with an outer half shaft through an outer cross shaft type universal joint; a joint fork of the outer cross shaft type universal joint is hinged with an outer half shaft in a sliding mode, and the outer half shaft can rotate synchronously along the circumferential direction along with the joint fork and can slide along the axial direction. The joint fork of the outer cross shaft type universal joint and the outer half shaft are arranged in a sliding hinged mode, on one hand, the wheel hub assembly can synchronously rotate along the axial direction along with the transmission shaft, so that the wheel is driven to rotate, force transmission is achieved, on the other hand, when the wheel is overturned to cause axial extrusion or stretching, the joint fork of the outer cross shaft type universal joint can generate displacement relative to the outer half shaft connected with the wheel hub assembly, and therefore stress is eliminated. Compared with the prior art, the transmission shaft for the independent suspension has a certain telescopic space in the axial direction, so that the influence of axial stress can be eliminated, and the transmission shaft is prevented from being damaged.
Description
Technical Field
The utility model mainly relates to an axle technical field especially relates to a transmission shaft for independent suspension.
Background
Influenced by the road surface flatness, the wheels of the automobile can jump along with the fluctuation of the road surface while rolling in the running process, at the moment, the wheels turn over along one point on the central axis of the wheels at a certain angle, the turning causes the axial traction or extrusion between the hub assembly and the transmission shaft, and the connection part of the transmission shaft and the hub assembly in the prior art does not have an axial telescopic space, so that the transmission shaft is damaged due to the traction or extrusion. Therefore, there is a need for a propeller shaft for an independent suspension that has an axial expansion space at the hub assembly connection to relieve stress.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current technique not enough, provide a transmission shaft for independent suspension.
In order to solve the technical problem, the utility model discloses adopt following technical scheme:
a transmission shaft for an independent suspension comprises a transmission shaft tube, wherein one end of the transmission shaft tube is hinged with an inner half shaft through an inner cross shaft type universal joint, and the other end of the transmission shaft tube is hinged with an outer half shaft through an outer cross shaft type universal joint; the joint yoke of the outer cross shaft type universal joint is hinged with the outer half shaft in a sliding mode, and the outer half shaft can rotate synchronously along the circumferential direction along with the joint yoke and can slide along the axial direction.
As a further improvement of the above technical solution:
the section fork is in spline fit with the outer half shaft.
The joint fork and the outer half shaft are rotatably sleeved with a half shaft sleeve, and the half shaft sleeve is fixedly connected with the wheel edge support.
Gaps are formed between the half shaft sleeve and the joint fork and between the half shaft sleeve and the outer half shaft, a horn mouth is formed at the end, close to the joint fork, of the half shaft sleeve, and a sliding bushing is arranged in the horn mouth.
And an oil injection channel communicated with the joint fork and the binding surface of the outer half shaft from the outer side is formed on the outer half shaft.
And a grease nipple is arranged at the outer side end of the oil injection channel.
The external half shaft is arranged into a T-shaped structure formed by connecting an end plate and a shaft rod, the end plate is connected with an external hub, and the shaft rod is hinged with the joint fork in a sliding mode.
And the inner half shaft is fixedly connected with an outer speed reducer shell through a double-angle bearing and a bearing gland.
Compared with the prior art, the utility model has the advantages of:
under the influence of road surface flatness, when a vehicle rolls, wheels of the vehicle can jump along with the fluctuation of a road surface, at the moment, the wheels turn over along a point on the central axis of the wheels at a certain angle, the turning causes the hub assembly and a transmission shaft to generate traction or extrusion along the axial direction, through arranging a joint fork of an outer cross shaft type universal joint and an outer half shaft into a sliding hinge mode, on one hand, the hub assembly can synchronously rotate along the axial direction along with the transmission shaft so as to drive the wheels to rotate and realize force transmission, on the other hand, when the wheels turn over to cause axial extrusion, the joint fork of the outer cross shaft type universal joint can be contracted relative to the outer half shaft connected with the hub assembly so as to eliminate stress, and when the wheels turn to cause axial stretching, the joint fork of the outer cross shaft type universal joint can be extended relative to the outer half shaft so as to eliminate the stress. Compared with the prior art, the transmission shaft for the independent suspension has a certain telescopic space in the axial direction, so that the influence of axial stress can be eliminated, and the transmission shaft is prevented from being damaged.
Drawings
FIG. 1 is a schematic view of a propeller shaft for an independent suspension;
fig. 2 is a schematic sectional view (one side) of a propeller shaft for an independent suspension;
fig. 3 is a partially enlarged schematic view of a propeller shaft for an independent suspension.
The reference numerals in the figures denote: 1. a driveshaft tube; 2. an inner cross-axle type universal joint; 3. an inner half shaft; 4. an outer cross-pin universal joint; 41. a joint fork; 5. an outer half shaft; 51. an oil injection channel; 52. a grease nipple; 53. an end plate; 54. a shaft lever; 6. a half-shaft sleeve; 61. a bell mouth; 7. a wheel-side support; 8. a sliding bushing; 9. double angle bearings and bearing glands.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
As shown in fig. 1 to fig. 3, the transmission shaft for the independent suspension of the present embodiment includes a transmission shaft tube 1, one end of the transmission shaft tube 1 is hinged to an inner half shaft 3 through an inner cross-axle type universal joint 2, and the other end is hinged to an outer half shaft 5 through an outer cross-axle type universal joint 4; the joint yoke 41 of the outer cross-shaft type universal joint 4 is slidably hinged with the outer half shaft 5, and the outer half shaft 5 can synchronously rotate along the circumferential direction along with the joint yoke 41 and can also slide along the axial direction. Under the influence of road surface flatness, when a vehicle rolls, wheels of the vehicle can jump along with the fluctuation of a road surface, at the moment, the wheels turn over along a point on the central axis of the wheels at a certain angle, the turning causes the axial traction or extrusion between a wheel hub assembly and a transmission shaft, through arranging a joint fork 41 of an outer cross shaft type universal joint 4 and an outer half shaft 5 into a sliding hinged form, on one hand, the wheel hub assembly can synchronously rotate along the axial direction along with the transmission shaft so as to drive the wheels to rotate and realize the force transmission, on the other hand, when the wheels turn over to cause the axial extrusion, the joint fork 41 of the outer cross shaft type universal joint 4 can be contracted relative to an outer half shaft 5 connected with the wheel hub assembly so as to eliminate stress, and when the wheels turn to cause the axial stretching, the joint fork 41 of the outer cross shaft type universal joint 4 can also extend relative to the outer half shaft 5 so as to eliminate the stress. Compared with the prior art, the transmission shaft for the independent suspension has a certain telescopic space in the axial direction, so that the influence of axial stress can be eliminated, and the transmission shaft is prevented from being damaged.
In the present embodiment, the yoke 41 is spline-fitted to the outer half shaft 5. Through setting the yoke 41 and the outer half shaft 5 to be in spline fit, the yoke 41 and the outer half shaft 5 can rotate synchronously on one hand, so as to drive the wheel to rotate and realize force transmission, and on the other hand, the wheel has a sliding space along the axial direction, so as to eliminate axial stress.
In this embodiment, a half shaft sleeve 6 is rotatably sleeved outside the joint fork 41 and the outer half shaft 5, and the half shaft sleeve 6 is fixedly connected with the wheel-side bracket 7. Gaps are formed between the half shaft sleeve 6 and the joint fork 41 and between the half shaft sleeve 6 and the outer half shaft 5, a horn mouth 61 is formed at the end, close to the joint fork 41, of the half shaft sleeve 6, and a sliding bush 8 is arranged in the horn mouth 61. By arranging the half shaft sleeve 6 near the yoke 41 in a bell mouth shape, a space is provided for installing the sliding bush 8; by providing the clearances between the half shaft sleeve 6 and the yoke 41 and between the half shaft sleeve 6 and the outer axle shaft 5 and by providing the slide bush 8, the half shaft sleeve 6 and the rotating outer axle shaft 5 can be prevented from coming into direct contact, thereby reducing friction.
In this embodiment, the outer half shaft 5 is formed with an oil filling passage 51 communicating the joint surface of the yoke 41 and the outer half shaft 5 from the outside. The outer end of the oil filling channel 51 is provided with a grease nipple 52. The outer half-shaft 5 is arranged in a T-shaped configuration formed by the connection of an end plate 53 and a shaft 54, the end plate 53 being connected to the outer hub, the shaft 54 being slidingly articulated with the yoke 41. The oil injection channel 51 is arranged along the length direction of the shaft rod 54, the inner end of the oil injection channel is communicated with the joint surface of the outer side communication yoke 41 and the outer half shaft 5, the opening is positioned on the outer end surface of the outer side communication yoke 41, and lubricating oil is injected into the lubricating oil nozzle 52, enters the joint surface of the outer side communication yoke 41 and the outer half shaft 5 along the oil injection channel 51 under the action of pressure, so that lubrication is realized. Lie in the vehicle bottom for its slip hinge structure of prior art, this application sets up slip hinge portion in the car limit, and the grease nipple 52 is located the outside of wheel hub assembly, so homoenergetic when oiling or overhaul can be accomplished at the wheel limit, need not to climb into the vehicle bottom, has both improved the convenience, has also promoted the security.
In this embodiment, the inner half shaft 3 is fixedly connected to the outer reducer casing via a double-angle bearing and a bearing gland 9. The double-angle bearing and the bearing gland 9 are utilized to fixedly connect the inner half shaft 3 with the outer reducer shell, so that the inner half shaft 3 can be effectively prevented from generating axial movement.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. A kind of independent suspension uses the drive shaft, characterized by that: the transmission shaft tube comprises a transmission shaft tube (1), wherein one end of the transmission shaft tube (1) is hinged with an inner half shaft (3) through an inner cross shaft type universal joint (2), and the other end of the transmission shaft tube (1) is hinged with an outer half shaft (5) through an outer cross shaft type universal joint (4); a joint fork (41) of the outer cross shaft type universal joint (4) is hinged with an outer half shaft (5) in a sliding mode, and the outer half shaft (5) can rotate synchronously along the circumferential direction along with the joint fork (41) and can slide along the axial direction.
2. The propeller shaft for an independent suspension according to claim 1, wherein: the joint fork (41) is in spline fit with the outer half shaft (5).
3. The propeller shaft for an independent suspension according to claim 1, wherein: the joint fork (41) and the outer half shaft (5) are rotatably sleeved with a half shaft sleeve (6), and the half shaft sleeve (6) is fixedly connected with the wheel-side support (7).
4. The propeller shaft for an independent suspension according to claim 3, wherein: between semi-axis sleeve pipe (6) and festival fork (41) and between semi-axis sleeve pipe (6) and external half axle (5) all form the space, just the shaping of semi-axis sleeve pipe (6) nearly festival fork (41) end has horn mouth (61), be equipped with sliding bush (8) in horn mouth (61).
5. The propeller shaft for independent suspension according to claim 1, wherein: and an oil filling channel (51) which is communicated with the joint surface of the joint fork (41) and the outer half shaft (5) from the outer side is formed on the outer half shaft (5).
6. The propeller shaft for independent suspension according to claim 5, wherein: the outer side end of the oiling channel (51) is provided with a grease nipple (52).
7. The propeller shaft for an independent suspension according to claim 6, wherein: the external half shaft (5) is arranged into a T-shaped structure formed by connecting an end plate (53) and a shaft rod (54), the end plate (53) is connected with an external hub, and the shaft rod (54) is in sliding hinge joint with the joint fork (41).
8. The propeller shaft for independent suspension according to any one of claims 1 to 7, wherein: the inner half shaft (3) is fixedly connected with an outer speed reducer shell through a double-angle bearing and a bearing gland (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222387096.4U CN218367391U (en) | 2022-09-05 | 2022-09-05 | Transmission shaft for independent suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222387096.4U CN218367391U (en) | 2022-09-05 | 2022-09-05 | Transmission shaft for independent suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218367391U true CN218367391U (en) | 2023-01-24 |
Family
ID=84974014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222387096.4U Active CN218367391U (en) | 2022-09-05 | 2022-09-05 | Transmission shaft for independent suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218367391U (en) |
-
2022
- 2022-09-05 CN CN202222387096.4U patent/CN218367391U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |