Transmission shaft assembly and transmission shaft device of vehicle

Abstract

The utility model provides a transmission shaft assembly and a transmission shaft device of a vehicle. The transmission shaft assembly comprises a first connecting fork, a sliding fork, a sliding shaft, an elastic piece, a damping block and a flange fork. The first connecting fork is used for connecting a first external component; the sliding fork is movably connected to the first connecting fork; the sliding shaft is arranged on one side of the sliding fork and connected to the sliding fork. A second connecting fork is arranged at the tail end of the sliding shaft; the elastic piece is arranged between the sliding fork and the sliding shaft and sleeves the sliding shaft; two ends of the elastic piece elastically contact with the sliding fork and the sliding shaft respectively; the damping block is arranged on the peripheral side of the sliding shaft, sleeves the sliding shaft and is statically arranged relative to the sliding shaft; according to the transmission shaft assembly, the flange fork is arranged on one side of the sliding shaft and movably connected with the second connecting fork, the elastic piece and the damping block are integrated to achieve damping in multiple directions, noise caused by the sliding shaft and the sliding fork is eliminated, and the use comfort of the transmission shaft assembly is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of drive shaft assemblies, and more particularly to a drive shaft assembly and a drive shaft device for a vehicle. Background Technology

[0002] The driveshaft assembly is a crucial component for transmitting power in a vehicle's transmission system, and the driveshaft assembly is part of this system. In existing technology, the driveshaft assembly includes a connecting fork, a sliding fork, and a sliding shaft. The sliding fork is movably connected to the connecting fork; the sliding shaft is connected to the sliding fork; an external workpiece drives the first connecting fork to rotate at high speed. However, this design suffers from the technical problem of generating significant noise between the sliding shaft and the sliding fork. Utility Model Content

[0003] The purpose of this utility model is to provide a driveshaft assembly and a driveshaft device for a vehicle. A first connecting fork is used to connect a first external component; a sliding fork is movably connected to the first connecting fork; a sliding shaft is disposed on one side of the sliding fork and connected to the sliding fork; a second connecting fork is provided at the end of the sliding shaft; an elastic element is disposed between the sliding fork and the sliding shaft and is sleeved on the sliding shaft; both ends of the elastic element elastically contact the sliding fork and the sliding shaft respectively; a shock-absorbing block is disposed on the outer periphery of the sliding shaft, is sleeved on the sliding shaft, and is stationary relative to the sliding shaft; a flange fork is disposed on one side of the sliding shaft and is movably connected to the second connecting fork. The integration of the elastic element and the shock-absorbing block achieves shock absorption in multiple directions, eliminates noise caused by the sliding shaft and the sliding fork, and improves the user comfort of the driveshaft assembly.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a transmission shaft assembly, comprising:

[0005] A first connecting fork is used to connect to a first external component;

[0006] A sliding fork is movably connected to the first connecting fork;

[0007] A sliding shaft is disposed on one side of the sliding fork and connected to the sliding fork; a second connecting fork is provided at the end of the sliding shaft;

[0008] An elastic element is disposed between the sliding fork and the sliding shaft, and sleeved on the sliding shaft; the two ends of the elastic element elastically contact the sliding fork and the sliding shaft respectively;

[0009] A shock-absorbing block is disposed on the outer periphery of the sliding shaft. The shock-absorbing block is sleeved on the sliding shaft and is stationary relative to the sliding shaft.

[0010] A flange fork is disposed on one side of the sliding shaft and is movably connected to the second connecting fork.

[0011] Optionally, the sliding fork is connected to the first connecting fork via a first bearing member; the sliding fork and the first connecting fork are in a swing connection structure, and the sliding fork swings relative to the first connecting fork along the axis of the first bearing member.

[0012] Optionally, the sliding fork is provided with a connecting groove;

[0013] The sliding shaft is provided with a connecting shaft, which is inserted into and connected to the connecting groove.

[0014] The elastic element is sleeved on the outer periphery of the connecting shaft and elastically contacts the sliding fork and the sliding shaft to dampen the vibration of the sliding fork and the sliding shaft.

[0015] Optionally, the elastic element is a spring;

[0016] The elastic element is located in the part of the connecting shaft that extends beyond the connecting groove. The part of the connecting shaft that extends beyond the connecting groove is provided with an arc-shaped outer wall. One end of the elastic element contacts the arc-shaped outer wall and is limited by the arc-shaped outer wall.

[0017] The other end of the elastic element contacts the flat sidewall of the sliding fork.

[0018] Optionally, the sliding shaft is welded with a third connecting fork, which is located between the sliding shaft and the flange fork and is connected to the flange fork via a second bearing component.

[0019] Optionally, the connecting shaft, the sliding shaft, and the third connecting fork are arranged sequentially;

[0020] The sliding shaft is located between the connecting shaft and the third connecting fork, and connects the connecting shaft and the third connecting fork.

[0021] Optionally, the shock absorber is a flexible component and is located on the outer periphery of the sliding shaft;

[0022] The inner wall of the damping block is attached to the peripheral wall of the sliding shaft.

[0023] Optionally, the damping block has an outward protrusion that is arranged along the circumferential direction of the damping block and away from the sliding shaft.

[0024] Optionally, the shock absorber block is connected to the sliding shaft via a clamp.

[0025] To achieve the above objectives, the present invention provides the following technical solution: a drive shaft device for a vehicle, comprising the aforementioned drive shaft assembly.

[0026] Compared with the prior art, the beneficial effects of this utility model are:

[0027] This utility model provides a driveshaft assembly and a driveshaft device for a vehicle. A first connecting fork is used to connect a first external component; a sliding fork is movably connected to the first connecting fork; a sliding shaft is disposed on one side of the sliding fork and connected to the sliding fork; a second connecting fork is provided at the end of the sliding shaft; an elastic element is disposed between the sliding fork and the sliding shaft and is sleeved on the sliding shaft; both ends of the elastic element elastically contact the sliding fork and the sliding shaft respectively; a shock-absorbing block is disposed on the outer periphery of the sliding shaft, is sleeved on the sliding shaft, and is stationary relative to the sliding shaft; a flange fork is disposed on one side of the sliding shaft and is movably connected to the second connecting fork. The integration of the elastic element and the shock-absorbing block achieves shock absorption in multiple directions, eliminates noise caused by the sliding shaft and the sliding fork, and improves the user comfort of the driveshaft assembly. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0030] Figure 1 A cross-sectional view of a drive shaft assembly according to an embodiment of this application is shown.

[0031] Figure 2 It shows Figure 1 A magnified view of a portion of point A in the middle.

[0032] Figure 3 A cross-sectional view of the connection between the first connecting fork and the sliding fork of a driveshaft assembly according to an embodiment of this application is shown.

[0033] Figure 4 A cross-sectional view of the connection between the sliding shaft and the flange fork of a drive shaft assembly according to an embodiment of this application is shown.

[0034] Figure 5 It shows Figure 4 A magnified view of a section at point B.

[0035] Figure Labels

[0036] 100. Drive shaft assembly;

[0037] 10. First connecting fork;

[0038] 20. Sliding fork; 20a. Connecting groove; 21. First bearing component;

[0039] 30. Sliding shaft; 31. Second connecting fork; 32. Connecting shaft; 321. Arc-shaped outer wall; 33. Third connecting fork; 331. Second bearing component;

[0040] 40. Elastic components;

[0041] 50. Shock absorber block; 51. Outward protrusion;

[0042] 60. Flange fork;

[0043] 70. Clamps. Detailed Implementation

[0044] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0045] Please refer to the attached document. Figures 1-5 This application provides a driveshaft assembly 100, which is applied to the driveshaft device of a vehicle and is used to reduce noise between the sliding shaft 30 and the sliding fork 20.

[0046] Please refer to the attached document. Figures 1-5 In this embodiment, the drive shaft assembly 100 includes a first connecting fork 10, a sliding fork 20, a sliding shaft 30, an elastic element 40, a shock absorber 50, and a flange fork 60. The first connecting fork 10 is used to connect a first external component; the sliding fork 20 is movably connected to the first connecting fork 10; the sliding shaft 30 is disposed on one side of the sliding fork 20 and connected to the sliding fork 20; a second connecting fork 31 is provided at the end of the sliding shaft 30; the elastic element 40 is disposed between the sliding fork 20 and the sliding shaft 30 and sleeved on the sliding fork 20. The drive shaft 30 has two ends of the elastic element 40 that elastically contact the sliding fork 20 and the sliding shaft 30 respectively. The damping block 50 is disposed on the outer periphery of the sliding shaft 30, and is sleeved on the sliding shaft 30 and is stationary relative to the sliding shaft 30. The flange fork 60 is disposed on one side of the sliding shaft 30 and is movably connected to the second connecting fork 31. The elastic element 40 and the damping block 50 are integrated to achieve multi-directional damping, eliminate noise caused between the sliding shaft 30 and the sliding fork 20, and improve the user comfort of the drive shaft assembly 100.

[0047] Please refer to the attached document. Figures 1-5In this embodiment of the application, the first connecting fork 10 is used to connect the first external component; so that the drive shaft assembly 100 can be connected to the first external component through the first connecting fork 10, thereby facilitating the first external component to drive the drive shaft assembly 100 to rotate.

[0048] The sliding fork 20 is disposed on the side of the first connecting fork 10 facing away from the first external component, and the sliding fork 20 is movably connected to the first connecting fork 10 so as to adjust the position of the sliding fork 20 relative to the first connecting fork 10.

[0049] A sliding shaft 30 is located on the right side of a sliding fork 20 and is connected to the sliding fork 20. A second connecting fork 31 is provided at the end of the sliding shaft 30. An elastic element 40 is located between the sliding fork 20 and the sliding shaft 30 and is sleeved on the sliding shaft 30. The two ends of the elastic element 40 elastically contact the sliding fork 20 and the sliding shaft 30 respectively. A shock-absorbing block 50 is located on the outer periphery of the sliding shaft 30 and is sleeved on the sliding shaft 30. It is stationary relative to the sliding shaft 30. The integration of the elastic element 40 and the shock-absorbing block 50 achieves shock absorption in multiple directions, eliminates noise caused between the sliding shaft 30 and the sliding fork 20, and improves the user comfort of the drive shaft assembly 100.

[0050] The flange fork 60 is located on the right side of the sliding shaft 30 and is movably connected to the second connecting fork 31 so as to adjust the position of the flange fork 60 relative to the second connecting fork 31.

[0051] Please refer to the attached document. Figure 1 and 3 In this embodiment, the first bearing member 21 is located between the sliding fork 20 and the first connecting fork 10. The sliding fork 20 is connected to the first connecting fork 10 through the first bearing member 21. The sliding fork 20 and the first connecting fork 10 have a swing connection structure. The sliding fork 20 swings relative to the first connecting fork 10 along the axis of the first bearing member 21 so that the sliding fork 20 can move relative to the first connecting fork 10 under the action of the first bearing member 21. Optionally, the first bearing member 21 is a cross bearing.

[0052] Please refer to the attached document. Figures 1-4 In this embodiment, the sliding fork 20 is provided with a connecting groove 20a; the sliding shaft 30 is provided with a connecting shaft 32, which is inserted into and connected to the connecting groove 20a, so that the sliding shaft 30 can be connected to the sliding fork 20 through the cooperation of the connecting shaft 32 and the connecting groove 20a. The elastic member 40 is sleeved on the outer periphery of the connecting shaft 32 and elastically contacts the sliding fork 20 and the sliding shaft 30 to dampen the vibration of the sliding fork 20 and the sliding shaft 30, ensuring the vibration damping effect between the sliding fork 20 and the sliding shaft 30, thereby facilitating the reduction of noise between the sliding fork 20 and the sliding shaft 30.

[0053] Please refer to the attached document. Figures 1-4 In this embodiment, the elastic element 40 is a spring. The elastic element 40 is located in the part of the connecting shaft 32 that extends beyond the connecting groove 20a. The part of the connecting shaft 32 that extends beyond the connecting groove 20a is provided with an arc-shaped outer wall 321. One end of the elastic element 40 contacts the arc-shaped outer wall 321 and is limited by the arc-shaped outer wall 321 to prevent the elastic element 40 from shifting position or deforming excessively during operation. The other end of the elastic element 40 contacts the flat side wall of the sliding fork 20. The elastic element 40 provides elastic support and buffering to ensure the stability and reliability of the sliding fork 20 and the sliding shaft 30.

[0054] Please refer to the attached document. Figure 1 and 4 In this embodiment, the sliding shaft 30 is welded with a third connecting fork 33, which is located between the sliding shaft 30 and the flange fork 60 and is connected to the flange fork 60 through the second bearing 331, so as to adjust the position of the third connecting fork 33 relative to the flange fork 60, thereby facilitating the sliding shaft 30 to move relative to the flange fork 60 through the third connecting fork 33.

[0055] Please refer to the attached document. Figures 1-4 In this embodiment of the application, the connecting shaft 32, the sliding shaft 30 and the third connecting fork 33 are arranged in sequence; the sliding shaft 30 is located between the connecting shaft 32 and the third connecting fork 33 and connects the connecting shaft 32 and the third connecting fork 33, so that the sliding shaft 30 can connect the sliding fork 20 and the flange fork 60 through the connecting shaft 32 and the third connecting fork 33 respectively.

[0056] Please refer to the attached document. Figure 1 and 4 ~5. In this embodiment of the application, the damping block 50 is a flexible part and is located on the outer periphery of the sliding shaft 30; the inner sidewall of the damping block 50 is attached to the periphery of the sliding shaft 30 so that the damping block 50 can activate the damping effect of the sliding shaft 30, thereby reducing the noise of the sliding shaft 30 during operation.

[0057] Please refer to the attached document. Figure 1 and 4 ~5. In this embodiment of the application, the shock absorber 50 is provided with an outward protrusion 51. The outward protrusion 51 is arranged along the annular direction of the shock absorber 50 and away from the sliding shaft 30. The shock absorber 50 increases the distance between the sliding shaft 30 and the external component through the outward protrusion 51, so as to prevent the external component from directly impacting the sliding shaft 30.

[0058] Please refer to the attached document. Figure 1 and 4~5. In this embodiment of the application, the damping block 50 is connected to the sliding shaft 30 by the clamp 70 so that the clamp 70 can restrict the position of the damping block 50, ensuring the positional accuracy of the damping block 50 relative to the sliding shaft 30 and avoiding the damping block 50 from shifting its position relative to the sliding shaft 30.

[0059] In a second embodiment, a vehicle driveshaft device includes a driveshaft assembly 100, which is part of the vehicle's driveshaft device. The vehicle's driveshaft device is used together with the gearbox and drive axle to transmit the engine's power to the wheels, thereby generating driving force for the vehicle.

[0060] At this time, the drive shaft assembly 100 includes a first connecting fork 10, a sliding fork 20, a sliding shaft 30, an elastic element 40, a shock absorber 50, and a flange fork 60. The first connecting fork 10 is used to connect the first external component; the sliding fork 20 is movably connected to the first connecting fork 10; the sliding shaft 30 is disposed on one side of the sliding fork 20 and connected to the sliding fork 20; a second connecting fork 31 is provided at the end of the sliding shaft 30; the elastic element 40 is disposed between the sliding fork 20 and the sliding shaft 30 and is sleeved on the sliding shaft 30. The two ends of the elastic element 40 elastically contact the sliding fork 20 and the sliding shaft 30 respectively; the shock absorber 50 is disposed on the outer periphery of the sliding shaft 30, the shock absorber 50 is sleeved on the sliding shaft 30, and is stationary relative to the sliding shaft 30; the flange fork 60 is disposed on one side of the sliding shaft 30 and is movably connected to the second connecting fork 31. The elastic element 40 and the shock absorber 50 are integrated to achieve shock absorption in multiple directions, eliminate noise caused between the sliding shaft 30 and the sliding fork 20, and improve the comfort of using the drive shaft assembly 100.

[0061] Compared with the prior art, the beneficial effects of this utility model are:

[0062] This utility model provides a driveshaft assembly 100 and a vehicle driveshaft device. A first connecting fork 10 is used to connect a first external component; a sliding fork 20 is movably connected to the first connecting fork 10; a sliding shaft 30 is disposed on one side of the sliding fork 20 and connected to the sliding fork 20; a second connecting fork 31 is provided at the end of the sliding shaft 30; an elastic member 40 is disposed between the sliding fork 20 and the sliding shaft 30 and is sleeved on the sliding shaft 30; both ends of the elastic member 40 elastically contact the sliding fork 20 and the sliding shaft 30 respectively; a shock absorber 50 is disposed on the outer periphery of the sliding shaft 30, is sleeved on the sliding shaft 30, and is stationary relative to the sliding shaft 30; a flange fork 60 is disposed on one side of the sliding shaft 30 and is movably connected to the second connecting fork 31. The integration of the elastic member 40 and the shock absorber 50 achieves shock absorption in multiple directions, eliminates noise caused by the sliding shaft 30 and the sliding fork 20, and improves the user comfort of the driveshaft assembly 100.

[0063] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A propeller shaft assembly characterized by, include: A first connecting fork is used to connect to a first external component; A sliding fork is movably connected to the first connecting fork; A sliding shaft is disposed on one side of the sliding fork and connected to the sliding fork; a second connecting fork is provided at the end of the sliding shaft; An elastic element is disposed between the sliding fork and the sliding shaft, and sleeved on the sliding shaft; the two ends of the elastic element elastically contact the sliding fork and the sliding shaft respectively; A shock-absorbing block is disposed on the outer periphery of the sliding shaft. The shock-absorbing block is sleeved on the sliding shaft and is stationary relative to the sliding shaft. A flange fork is disposed on one side of the sliding shaft and is movably connected to the second connecting fork.

2. The propeller shaft assembly of claim 1, wherein, The sliding fork is connected to the first connecting fork via a first bearing member; the sliding fork and the first connecting fork are in a swing connection structure, and the sliding fork swings relative to the first connecting fork along the axis of the first bearing member.

3. The propeller shaft assembly of claim 2, wherein, The sliding fork is provided with a connecting groove; The sliding shaft is provided with a connecting shaft, which is inserted into and connected to the connecting groove. The elastic element is sleeved on the outer periphery of the connecting shaft and elastically contacts the sliding fork and the sliding shaft to dampen the vibration of the sliding fork and the sliding shaft.

4. The propeller shaft assembly of claim 3, wherein, The elastic element is a spring; The elastic element is located in the part of the connecting shaft that extends beyond the connecting groove. The part of the connecting shaft that extends beyond the connecting groove is provided with an arc-shaped outer wall. One end of the elastic element contacts the arc-shaped outer wall and is limited by the arc-shaped outer wall. The other end of the elastic element contacts the flat sidewall of the sliding fork.

5. The propeller shaft assembly of claim 3 wherein, The sliding shaft is welded with a third connecting fork, which is located between the sliding shaft and the flange fork and is connected to the flange fork via a second bearing component.

6. The propeller shaft assembly of claim 5, wherein, The connecting shaft, the sliding shaft, and the third connecting fork are arranged in sequence; The sliding shaft is located between the connecting shaft and the third connecting fork, and connects the connecting shaft and the third connecting fork.

7. The propeller shaft assembly of claim 6, wherein, The shock-absorbing block is a flexible component and is located on the outer periphery of the sliding shaft; The inner wall of the damping block is attached to the peripheral wall of the sliding shaft.

8. The propeller shaft assembly of claim 7, wherein, The shock absorber has an outward protrusion, which is arranged along the annular direction of the shock absorber and away from the sliding shaft.

9. The propeller shaft assembly of claim 8, wherein, The shock-absorbing block is connected to the sliding shaft by a clamp.

10. A propeller shaft arrangement for a vehicle, characterized in that Includes the drive shaft assembly as described in any one of claims 1 to 9.

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