Positioning device of half shaft for vehicle

Abstract

The invention relates to the technical field of half axle positioning, in particular to a vehicle half axle positioning device which comprises a first fixing component, the first fixing component comprises an axle, and a first external thread is formed in the surface of the axle; and a second fixing part is installed on one side of the first fixing part and comprises a base, a first internal thread is formed in the right side of the inner wall of the base, a second internal thread is formed in the left side of the inner wall of the base, and the first internal thread is matched with the first external thread. According to the invention, through the arrangement of a third one-way meshing gear ring and a fourth one-way meshing gear ring, the limiting sleeve can only rotate forwards and reversely, so that the locking phenomenon can be caused, and the limiting sleeve cannot be loosened after being vibrated, so that the overall assembly is completed, and the second fixing part and the limiting part after assembly are convenient to disassemble and assemble. Loosening caused by vibration is avoided, and potential safety hazards are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of half-axle positioning, in particular to a half-axle positioning device for a vehicle. Background Art

[0002] The half shaft is an important part of the vehicle transmission system. The design of its positioning device directly affects the stability and safety of the vehicle. In order to improve the positioning accuracy and stability of the half shaft, several commonly used technical means include: Bolt fixing: The half shaft is fixed to the axle by high-strength bolts. This method is simple and reliable, but the bolts are easy to loosen after long-term operation and need to be checked and tightened regularly; Spring compression: Use the elastic pressure of the spring to fix the half shaft. This method can adapt to a certain degree of vibration, but after long-term use, spring fatigue will cause the compression force to decrease, and frequent maintenance is also required; Locking pin: Positioning is achieved by inserting the locking pin into the half-shaft hole. This method has high rigidity and stability, but it is more troublesome to install and remove, and is not convenient for quick replacement.

[0003] The common problems of existing half-axle positioning devices are that they are inconvenient to install and maintain, and they are easy to loosen under complex road conditions, affecting the stability and safety of the vehicle. Especially when driving at high speeds or on bumpy roads, traditional positioning devices are difficult to maintain sufficient tightening force, which may cause the half-axle to move and increase the risk of accidents. Summary of the invention

[0004] To this end, the present invention provides a positioning device for a half-axle of a vehicle to solve the above-mentioned problem.

[0005] The present invention provides the following technical solution: a positioning device for a half-axle of a vehicle, comprising a first fixing component, wherein the first fixing component comprises a vehicle axle, and a first external thread is provided on the surface of the vehicle axle; A second fixing component is installed on one side of the first fixing component, the second fixing component includes a base, a first internal thread is opened on the right side of the inner wall of the base, a second internal thread is opened on the left side of the inner wall of the base, and the first internal thread matches the first external thread; A positioning component is installed on one side of the second fixing component, and the positioning component includes a positioning sleeve, and a second external thread is provided on the surface of the positioning sleeve, and the second external thread matches the second internal thread. A fixing sleeve is fixedly connected to the left side of the positioning sleeve, and a third external thread is provided on the surface of the fixing sleeve; A limiting component is installed on one side of the positioning component. The limiting component includes a limiting sleeve. The inner wall of the limiting sleeve is provided with a third internal thread, and the third internal thread matches the third external thread.

[0006] As a preferred solution of the present invention, the inner wall of the base is threadedly connected to the surface of the axle via a first internal thread and a first external thread, the surface of the positioning sleeve is threadedly connected to the inner wall of the base via a second external thread and a second internal thread, and the surface of the fixing sleeve is threadedly connected to the inner wall of the limiting sleeve via a third internal thread and a third external thread.

[0007] As a preferred solution of the present invention, the surface of the axle is fixedly sleeved with a first connecting ring, the left side of the first connecting ring is fixedly connected to a first spring, the surface of the axle is slidably connected to a first one-way meshing gear ring, the first spring is located between the first one-way meshing gear ring and the first connecting ring, the surface on the right side of the base is fixedly connected to a second one-way meshing gear ring, and the second one-way meshing gear ring is meshed with the first one-way meshing gear ring.

[0008] As a preferred solution of the present invention, a second spring is fixedly connected to the left side of the fixed sleeve, a third one-way meshing gear ring is slidably connected to the surface of the fixed sleeve, the second spring is located between the fixed sleeve and the third one-way meshing gear ring, and a fourth one-way meshing gear ring is fixedly connected to the right side of the limiting sleeve, and the third one-way meshing gear ring and the fourth one-way meshing gear ring are meshed with each other.

[0009] As a preferred solution of the present invention, the front and rear sides of the left side of the positioning sleeve are fixedly connected to support columns, the inner wall of the support column is rotatably connected to a first rotating rod, a worm gear is fixedly sleeved on the surface of the first rotating rod, a gear is fixedly connected to the left end of the first rotating rod, and the front and rear sides of the surface of the limiting sleeve are fixedly connected to L-shaped plates.

[0010] As a preferred solution of the present invention, the left surface of the L-shaped plate is fixedly connected to a limiting frame, the inner wall of the limiting frame is slidably connected to a movable plate, the adjacent ends of the front and rear movable plates are fixedly connected to a locking ring plate, the left side of the locking ring plate is fixedly connected to a tooth plate, and the surface of the tooth plate meshes with the surface of the gear.

[0011] As a preferred solution of the present invention, the front and rear sides of the left side of the positioning sleeve are fixedly connected to support plates, the inner wall of the support plate is rotatably connected to a second rotating rod, and the front and rear sides of the surface of the second rotating rod are fixedly sleeved with worms, the worms are meshed with the worm wheel, and the spiral patterns on the two worm surfaces are opposite.

[0012] As a preferred solution of the present invention, the inner diameters of the fixing sleeve and the positioning sleeve are the same, and the inner diameters of the fixing sleeve and the positioning sleeve match the half shaft.

[0013] As a preferred solution of the present invention, the locking ring plate is made of stainless steel, and the locking ring plate cooperates with a locking groove provided on the half shaft.

[0014] As a preferred solution of the present invention, the base is made of high-strength steel, and the positioning sleeve is made of aluminum alloy.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the first internal thread on the base is aligned with the first external thread, and then the base is rotated so that the base is fixed on the first external thread. The second one-way meshing gear ring and the first one-way meshing gear ring are provided, so that the base can only rotate forward, and will get stuck when reversed, so that the base will not loosen after being vibrated. Then, the second external thread on the positioning sleeve is aligned with the second internal thread, and the positioning sleeve is rotated so that the positioning sleeve is fixed in the base. Then, the third internal thread on the limiting sleeve is aligned with the third external thread, and then the limiting sleeve is rotated so that the limiting sleeve is fixed on the fixing sleeve. The third one-way meshing gear ring and the fourth one-way meshing gear ring are provided, so that the limiting sleeve can only rotate forward, and will get stuck when reversed, so that the limiting sleeve will not loosen after being vibrated, thereby completing the overall assembly. The assembled second fixing component and the limiting component will not loosen due to vibration, thereby reducing safety hazards.

[0016] 2. In the present invention, after the half shaft is installed inside the positioning sleeve and the fixing sleeve, the second rotating rod is rotated to rotate the worm. Since the spiral patterns on the surfaces of the two worms are opposite, when the front and rear worms rotate, the front worm drives the front worm wheel to rotate forward, and the rear worm drives the rear worm wheel to rotate reversely, so that the first rotating rod on the front drives the front gear to rotate forward, and the first rotating rod on the rear drives the rear gear to rotate reversely, so that the front tooth plate moves backward and the rear tooth plate moves forward, and the front movement is limited by the support of the limit frame. The movable plate drives the locking ring plate to move backward, and the movable plate on the rear side drives the locking ring plate to move forward. The half-shaft is clamped by the two locking ring plates. A locking groove cooperating with the locking ring plate is opened on the half-shaft. The two cooperate to achieve axial limitation of the half-shaft. Due to the self-locking effect between the worm and the worm wheel, when the locking ring plate is loose, the worm wheel cannot rotate, so that the locking ring plate cannot be loosened before the worm and the worm wheel are damaged. When driving at high speed or on bumpy roads, sufficient fastening force can be maintained, and the half-shaft will not be displaced due to bumps, thereby reducing the risk of accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic structural diagram of the first fixing component in the present invention; Figure 3 It is a schematic structural diagram of the second fixing component in the present invention; Figure 4 It is a schematic diagram of the structure of the positioning component in the present invention; Figure 5 It is a schematic diagram of the structure of the limiting component in the present invention; Figure 6 For the present invention Figure 4 A magnified view of the structure at A; Figure 7 For the present invention Figure 4 Enlarged view of the structure at B in the figure.

[0018] In the figure: 1, first fixing member; 2, second fixing member; 3, positioning member; 4, limiting member; 101, first connecting ring; 102, axle; 103, first spring; 104, first one-way meshing gear ring; 105, first external thread; 201, base; 202, second one-way meshing gear ring; 203, second internal thread; 204, first internal thread; 301, positioning sleeve; 302, second external thread; 303, support column; 304, Fixed sleeve; 305, third external thread; 306, second spring; 307, third one-way meshing gear ring; 308, gear; 309, support plate; 310, second rotating rod; 311, worm; 312, first rotating rod; 313, worm wheel; 401, limiting sleeve; 402, fourth one-way meshing gear ring; 403, locking ring plate; 404, movable plate; 405, limiting frame; 406, L-shaped plate; 407, third internal thread; 408, gear plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-7 The technical solution provided by the present invention specifically includes the following embodiments: Embodiment 1: A positioning device for a half-axle of a vehicle, comprising a first fixing component 1, wherein the first fixing component 1 comprises a vehicle axle 102, and a first external thread 105 is provided on the surface of the vehicle axle 102; A second fixing component 2 is installed on one side of the first fixing component 1. The second fixing component 2 includes a base 201. A first internal thread 204 is provided on the right side of the inner wall of the base 201. A second internal thread 203 is provided on the left side of the inner wall of the base 201. The first internal thread 204 matches the first external thread 105. A first connecting ring 101 is fixedly sleeved on the surface of the axle 102. A first spring 103 is fixedly connected to the left side of the first connecting ring 101. A first one-way meshing toothed ring 104 is slidably connected to the surface of the axle 102. The first spring 103 is located between the first one-way meshing toothed ring 104 and the first connecting ring 101. A second one-way meshing toothed ring 202 is fixedly connected to the surface on the right side of the base 201. The second one-way meshing toothed ring 202 meshes with the first one-way meshing toothed ring 104. A positioning component 3 is installed on one side of the second fixing component 2. The positioning component 3 includes a positioning sleeve 301. A second external thread 302 is provided on the surface of the positioning sleeve 301. The second external thread 302 matches the second internal thread 203. A fixing sleeve 304 is fixedly connected to the left side of the positioning sleeve 301. A third external thread 305 is provided on the surface of the fixing sleeve 304. A limiting component 4 is installed on one side of the positioning component 3. The limiting component 4 includes a limiting sleeve 401. The inner wall of the limiting sleeve 401 is provided with a third internal thread 407. The third internal thread 407 matches the third external thread 305. The left side of the fixed sleeve 304 is fixedly connected with a second spring 306. The surface of the fixed sleeve 304 is slidably connected with a third one-way meshing toothed ring 307. The second spring 306 is located between the fixed sleeve 304 and the third one-way meshing toothed ring 307. The right side of the limiting sleeve 401 is fixedly connected with a fourth one-way meshing toothed ring 402. The third one-way meshing toothed ring 307 is meshed with the fourth one-way meshing toothed ring 402. The first internal thread 204 on the base 201 is aligned with the first external thread 105, and then the base 201 is rotated so that the base 201 is fixed on the first external thread 105. The second one-way meshing gear ring 202 and the first one-way meshing gear ring 104 are arranged so that the base 201 can only rotate forward, and the reverse rotation will be stuck, so that the base 201 will not be loosened after being vibrated. Then, the second external thread 302 on the positioning sleeve 301 is aligned with the second internal thread 203, and the positioning sleeve 301 is rotated so that the positioning sleeve 301 is fixed on the base 2 01, and then align the third internal thread 407 on the limiting sleeve 401 with the third external thread 305, and then start to rotate the limiting sleeve 401, so that the limiting sleeve 401 is fixed on the fixed sleeve 304, and the third one-way meshing gear ring 307 and the fourth one-way meshing gear ring 402 are set, so that the limiting sleeve 401 can only rotate forward, and it will get stuck when reversed, so that the limiting sleeve 401 will not get loose after being vibrated, thereby completing the overall assembly, and the assembled second fixing component 2 and the limiting component 4 will not get loose due to vibration, thereby reducing safety hazards.

[0021] The inner wall of the base 201 is threadedly connected to the surface of the axle 102 via the first internal thread 204 and the first external thread 105, the surface of the positioning sleeve 301 is threadedly connected to the inner wall of the base 201 via the second external thread 302 and the second internal thread 203, and the surface of the fixing sleeve 304 is threadedly connected to the inner wall of the limiting sleeve 401 via the third internal thread 407 and the third external thread 305.

[0022] The inner diameters of the fixing sleeve 304 and the positioning sleeve 301 are the same, and the inner diameters of the fixing sleeve 304 and the positioning sleeve 301 match the half shaft.

[0023] The locking ring plate 403 is made of stainless steel, and the locking ring plate matches the locking groove provided on the half shaft; The locking ring plate 403 is made of stainless steel, which has excellent corrosion resistance and high hardness, ensuring the firmness of the connection. The half-shaft is clamped by two locking ring plates 403, and a locking groove that cooperates with the locking ring plate 403 is opened on the half-shaft. The two cooperate to achieve axial limitation of the half-shaft.

[0024] The base 201 is made of high-strength steel, and the positioning sleeve 301 is made of aluminum alloy; The base 201 is made of high-strength steel with a thickness of not less than 5mm to ensure sufficient strength and durability; the positioning sleeve 301 is made of aluminum alloy material, which is light and has good corrosion resistance. The inner and outer surfaces are precisely processed to ensure a good fit with the half-shaft and the base 201.

[0025] Embodiment 2: The front and rear sides of the left side of the positioning sleeve 301 are fixedly connected with a support column 303, the inner wall of the support column 303 is rotatably connected with a first rotating rod 312, the surface of the first rotating rod 312 is fixedly sleeved with a worm gear 313, the left end of the first rotating rod 312 is fixedly connected with a gear 308, the front and rear sides of the surface of the limiting sleeve 401 are fixedly connected with an L-shaped plate 406, the surface on the left side of the L-shaped plate 406 is fixedly connected with a limiting frame 405, the inner wall of the limiting frame 405 is slidably connected with a moving plate 404, and the front and rear sides are fixedly connected with an L-shaped plate 406. A locking ring plate 403 is fixedly connected to one end adjacent to the moving plate 404, a tooth plate 408 is fixedly connected to the left side of the locking ring plate 403, the surface of the tooth plate 408 meshes with the surface of the gear 308, and a support plate 309 is fixedly connected to the front and rear sides of the left side of the positioning sleeve 301, and a second rotating rod 310 is rotatably connected to the inner wall of the support plate 309, and a worm 311 is fixedly sleeved on the front and rear sides of the surface of the second rotating rod 310, and the worm 311 meshes with the worm wheel 313, and the spiral patterns on the surfaces of the two worms 311 are opposite; After the half shaft is installed inside the positioning sleeve 301 and the fixing sleeve 304, the second rotating rod 310 is rotated at this time to rotate the worm 311. Since the spiral patterns on the surfaces of the two worms 311 are opposite, when the front and rear worms 311 rotate, the front worm 311 will drive the front worm wheel 313 to rotate forward, and the rear worm 311 will drive the rear worm wheel 313 to rotate reversely, so that the front first rotating rod 312 drives the front gear 308 to rotate forward, and the rear first rotating rod 312 drives the rear gear 308 to rotate reversely, so that the front tooth plate 408 moves backward and the rear tooth plate 408 moves forward, and the front tooth plate 408 is supported and limited by the limit frame 405. The movable plate 404 drives the locking ring plate 403 to move backward, and the movable plate 404 on the rear side drives the locking ring plate 403 to move forward, and the half-shaft is clamped by the two locking ring plates 403. A locking groove cooperating with the locking ring plate 403 is opened on the half-shaft, and the two cooperate to realize the axial limitation of the half-shaft. Due to the self-locking effect between the worm 311 and the worm wheel 313, when the locking ring plate 403 is loose, the worm wheel 313 cannot rotate, so that the locking ring plate 403 cannot be loosened before the worm 311 and the worm wheel 313 are damaged. When driving at high speed or on bumpy roads, sufficient fastening force can be maintained, and the half-shaft will not be displaced due to bumps, thereby reducing the risk of accidents.

[0026] In the present invention, when the positioning device for a half-axle of a vehicle is working, the first internal thread 204 on the base 201 is first aligned with the first external thread 105, and then the base 201 is rotated so that the base 201 is fixed on the first external thread 105. The second one-way meshing gear ring 202 and the first one-way meshing gear ring 104 are arranged so that the base 201 can only rotate forward, and the reverse rotation will cause a jam, so that the base 201 will not loosen after being vibrated. Then, the second external thread 302 on the positioning sleeve 301 is aligned with the second internal thread 203, and the positioning sleeve 301 is rotated so that the positioning sleeve The sleeve 301 is fixed in the base 201, and then the third internal thread 407 on the limiting sleeve 401 is aligned with the third external thread 305, and then the limiting sleeve 401 is rotated to fix the limiting sleeve 401 on the fixed sleeve 304. The third one-way meshing gear ring 307 and the fourth one-way meshing gear ring 402 are provided, so that the limiting sleeve 401 can only rotate forward, and the reverse rotation will be stuck, so that the limiting sleeve 401 will not be loose after being vibrated, thereby completing the overall assembly. The assembled second fixing component 2 and the limiting component 4 will not be loose due to vibration, reducing safety hazards; After the half shaft is installed inside the positioning sleeve 301 and the fixing sleeve 304, the second rotating rod 310 is rotated at this time to rotate the worm 311. Since the spiral patterns on the surfaces of the two worms 311 are opposite, when the front and rear worms 311 rotate, the front worm 311 will drive the front worm wheel 313 to rotate forward, and the rear worm 311 will drive the rear worm wheel 313 to rotate reversely, so that the front first rotating rod 312 drives the front gear 308 to rotate forward, and the rear first rotating rod 312 drives the rear gear 308 to rotate reversely, so that the front tooth plate 408 moves backward and the rear tooth plate 408 moves forward, and the front tooth plate 408 is supported and limited by the limit frame 405. The movable plate 404 drives the locking ring plate 403 to move backward, and the movable plate 404 on the rear side drives the locking ring plate 403 to move forward, and the half-shaft is clamped by the two locking ring plates 403. A locking groove cooperating with the locking ring plate 403 is opened on the half-shaft, and the two cooperate to realize the axial limitation of the half-shaft. Due to the self-locking effect between the worm 311 and the worm wheel 313, when the locking ring plate 403 is loose, the worm wheel 313 cannot rotate, so that the locking ring plate 403 cannot be loosened before the worm 311 and the worm wheel 313 are damaged. When driving at high speed or on bumpy roads, sufficient fastening force can be maintained, and the half-shaft will not be displaced due to bumps, thereby reducing the risk of accidents.

[0027] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A positioning device for a half-axle of a vehicle, characterized in that: It comprises a first fixing component (1), the first fixing component (1) comprises a vehicle axle (102), and a first external thread (105) is formed on the surface of the vehicle axle (102); A second fixing component (2) is installed on one side of the first fixing component (1), the second fixing component (2) comprises a base (201), a first internal thread (204) is provided on the right side of the inner wall of the base (201), a second internal thread (203) is provided on the left side of the inner wall of the base (201), and the first internal thread (204) matches the first external thread (105); A positioning component (3) is installed on one side of the second fixing component (2), the positioning component (3) comprising a positioning sleeve (301), a second external thread (302) being provided on the surface of the positioning sleeve (301), the second external thread (302) matching the second internal thread (203), a fixing sleeve (304) being fixedly connected to the left side of the positioning sleeve (301), and a third external thread (305) being provided on the surface of the fixing sleeve (304); A limiting component (4) is installed on one side of the positioning component (3), the limiting component (4) comprising a limiting sleeve (401), the inner wall of the limiting sleeve (401) being provided with a third internal thread (407), the third internal thread (407) matching the third external thread (305).

2. A vehicle half-axle positioning device according to claim 1, characterized in that: The inner wall of the base (201) is threadedly connected to the surface of the axle (102) via a first internal thread (204) and a first external thread (105); the surface of the positioning sleeve (301) is threadedly connected to the inner wall of the base (201) via a second external thread (302) and a second internal thread (203); and the surface of the fixing sleeve (304) is threadedly connected to the inner wall of the limiting sleeve (401) via a third internal thread (407) and a third external thread (305).

3. A vehicle half-axle positioning device according to claim 1, characterized in that: The surface of the axle (102) is fixedly sleeved with a first connecting ring (101), the left side of the first connecting ring (101) is fixedly connected to a first spring (103), the surface of the axle (102) is slidably connected to a first one-way meshing gear ring (104), the first spring (103) is located between the first one-way meshing gear ring (104) and the first connecting ring (101), the right side surface of the base (201) is fixedly connected to a second one-way meshing gear ring (202), and the second one-way meshing gear ring (202) is meshed with the first one-way meshing gear ring (104).

4. A vehicle half-axle positioning device according to claim 1, characterized in that: A second spring (306) is fixedly connected to the left side of the fixed sleeve (304), a third one-way meshing toothed ring (307) is slidably connected to the surface of the fixed sleeve (304), the second spring (306) is located between the fixed sleeve (304) and the third one-way meshing toothed ring (307), a fourth one-way meshing toothed ring (402) is fixedly connected to the right side of the limiting sleeve (401), and the third one-way meshing toothed ring (307) and the fourth one-way meshing toothed ring (402) are meshed with each other.

5. The vehicle half-axle positioning device according to claim 1, characterized in that: The front and rear sides of the left side of the positioning sleeve (301) are fixedly connected to support columns (303), the inner wall of the support column (303) is rotatably connected to a first rotating rod (312), a worm gear (313) is fixedly sleeved on the surface of the first rotating rod (312), a gear (308) is fixedly connected to the left end of the first rotating rod (312), and the front and rear sides of the surface of the limiting sleeve (401) are fixedly connected to an L-shaped plate (406).

6. A vehicle half-axle positioning device according to claim 5, characterized in that: The left surface of the L-shaped plate (406) is fixedly connected to a limit frame (405), the inner wall of the limit frame (405) is slidably connected to a movable plate (404), the adjacent ends of the front and rear movable plates (404) are fixedly connected to a locking ring plate (403), the left side of the locking ring plate (403) is fixedly connected to a tooth plate (408), and the surface of the tooth plate (408) is meshed with the surface of the gear (308).

7. The vehicle half-axle positioning device according to claim 5, characterized in that: The front and rear sides of the left side of the positioning sleeve (301) are fixedly connected to a support plate (309), the inner wall of the support plate (309) is rotatably connected to a second rotating rod (310), the front and rear sides of the surface of the second rotating rod (310) are fixedly sleeved with a worm (311), the worm (311) is meshed with a worm wheel (313), and the spiral patterns on the surfaces of the two worms (311) are opposite.

8. The vehicle half-axle positioning device according to claim 1, characterized in that: The inner diameters of the fixing sleeve (304) and the positioning sleeve (301) are the same, and the inner diameters of the fixing sleeve (304) and the positioning sleeve (301) match the half shaft.

9. The vehicle half-axle positioning device according to claim 6, characterized in that: The locking ring plate (403) is made of stainless steel, and the locking ring plate (403) matches a locking groove provided on the half shaft.

10. The vehicle half-axle positioning device according to claim 1, characterized in that: The base (201) is made of high-strength steel, and the positioning sleeve (301) is made of aluminum alloy.

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