Split rear axle of vehicle body
By adopting a combined structure of threaded sleeves and anti-loose parts in the split rear axle of the vehicle body, the problems of inconvenient installation and disassembly, insufficient load capacity and loose bolts are solved, resulting in oil leakage, and a firmer connection and higher load capacity are achieved.
Patent Information
- Application Number
- CN202421871422.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-02
AI Technical Summary
The existing split rear axle is inconvenient when installed and disassembled, has insufficient load capacity, and the bolt connection is prone to loosening, resulting in oil leakage.
A split rear axle of the vehicle body is designed, adopting a combined structure of threaded sleeves and anti-loosening parts. The threaded sleeve is connected to the box. The anti-loosening parts are composed of helical gears, rings, fixing blocks and springs to ensure that the threaded sleeve does not loosen when the vehicle is traveling.
It improves the connection between the rear bridge body and the box, simplifies the installation and disassembly process, enhances the bearing capacity, and avoids oil leakage caused by loosening.
Smart Images

Figure CN222905217U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of split rear axles, in particular to a vehicle body split rear axle. Background Art
[0002] The rear axle refers to the rear drive shaft component of the vehicle's power transmission. It consists of two half-bridges and can implement half-bridge differential movement. At the same time, it is also a device used to support the wheels and connect the rear wheels. The rear axle is divided into an integrated rear axle and a split rear axle, each with its own advantages. The existing split rear axle is generally connected and fixed with multiple bolts when connected, which is inconvenient to disassemble the rear axle later. The bearing capacity of the rear axle connected by bolts is insufficient, and the bolts will loosen during the movement of the vehicle, causing the gear oil inside the rear axle to leak, affecting the use effect. Utility Model Content
[0003] 1. Technical issues to be solved
[0004] In view of the deficiencies in the prior art, the utility model provides a vehicle body split rear axle, which solves the problems in the above background technology that the vehicle body split rear axle is inconvenient to install and disassemble, has insufficient bearing capacity, and the connecting bolts are prone to loosening and cause oil leakage.
[0005] (II) Technical solution
[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0007] A vehicle body split rear axle comprises a box body, a rear axle body, a transmission wheel, a threaded sleeve and an anti-loosening piece, both ends of the box body are cooperatively connected to the rear axle body, one end of the rear axle body is cooperatively connected to the transmission wheel, the rear axle body is cooperatively connected to the threaded sleeve, the threaded sleeve is rotatably connected to the box body, the threaded sleeve is cooperatively connected to the anti-loosening piece, and the anti-loosening piece is slidably connected to the box body.
[0008] Furthermore, both ends of the box body are provided with connecting ports, a sliding groove and a limiting groove are respectively provided on the connecting ports, and a plug-in groove is provided at one end of the connecting port.
[0009] Furthermore, a thread line is provided at one end of the rear axle body, a limit rod is fixedly connected to the rear axle body at the same end of the thread line, and the limit rod is plugged in cooperation with the plug-in slot.
[0010] Furthermore, the transmission wheel is cooperatively connected with the transmission shaft, the transmission shaft is rotatably connected in the cavity of the rear axle body, and the transmission shaft is cooperatively connected with the output shaft inside the box.
[0011] Furthermore, an anti-slip seat is integrally formed at the center of the threaded sleeve, a rotating ring is provided in the cavity at one end of the threaded sleeve, the rotating ring is rotatably connected in the limiting groove, and anti-slip teeth are fixedly connected to the threaded sleeve at the same end of the rotating ring.
[0012] Furthermore, the anti-loosening component is composed of a bevel gear, a shift ring, a fixed block and a spring. The bevel gear is meshed with the anti-slip teeth. The outer ring of the bevel gear is fixedly connected to the shift ring. The inside of the shift ring is fixedly connected to the fixed block. The fixed block is slidably connected in the sliding groove. The fixed block is fixedly connected to the spring, and the other end of the spring is fixedly connected to the sliding groove.
[0013] (III) Beneficial effects
[0014] Compared with the prior art, the utility model provides a vehicle body split rear axle, which has the following beneficial effects:
[0015] The vehicle body split rear axle designed by the utility model can make the connection between the rear axle body and the box body more firmly through the design of the threaded sleeve. Compared with the traditional bolt connection method, the connection of this scheme improves the convenience of installation and disassembly of the rear axle body, and at the same time improves the bearing capacity of the connection between the rear axle body and the box body to meet the use requirements. Through the design of the anti-loosening part, the threaded sleeve will not rotate and loosen due to the vibration of the vehicle when the vehicle is moving, ensuring the firm connection between the rear axle body and the box body, and there will be no gaps due to looseness and oil leakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the box structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the rear axle structure of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the threaded sleeve of the utility model;
[0020] Figure 5 This is a schematic diagram of the structure of the anti-loosening component of the utility model.
[0021] In the figure: 1. box body; 101. connection port; 102. sliding slot; 103. limiting slot; 104. plug-in slot; 2. rear axle body; 201. threaded line; 202. limiting rod; 3. transmission wheel; 301. transmission shaft; 4. threaded sleeve; 401. anti-skid seat; 402. rotating ring; 403. anti-skid teeth; 5. anti-loosening part; 501. bevel gear; 502. dial ring; 503. fixing block; 504. spring. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Example
[0024] like Figure 1-5As shown, a vehicle body split rear axle proposed in an embodiment of the utility model comprises a box body 1, a rear axle body 2, a transmission wheel 3, a threaded sleeve 4 and an anti-loosening member 5. The vehicle body split rear axle designed in this scheme improves the convenience of installation and disassembly through a coordinated design compared with a traditional split rear axle. By improving the bearing capacity of the connection, the design of the anti-loosening member 5 can ensure that the threaded sleeve 4 will not be loosened due to vibration during the movement of the vehicle, thereby meeting the use requirements. Both ends of the box body 1 are connected with the rear axle body 2, and one end of the rear axle body 2 is connected with the transmission wheel 3. The design of the box body 1 The use requirements are met to ensure that the split rear axle can be connected and used normally. The design of the rear axle body 2 and the transmission wheel 3 meets the design requirements of the scheme to ensure the normal use of the rear axle. The rear axle body 2 is connected with the threaded sleeve 4 in a coordinated manner. The threaded sleeve 4 is rotatably connected to the box body 1. The threaded sleeve 4 is connected with the anti-loosening member 5 in a coordinated manner. The anti-loosening member 5 is slidably connected to the box body 1. When the rear axle body 2 needs to be installed on the box body 1, the rear axle body 2 at one end of the threaded line 201 is connected to the threaded sleeve 4, and the threaded sleeve 4 is threadedly connected to the threaded line 201 by rotating the threaded sleeve 4. During the connection process , ensuring that the rear axle body 2 maintains horizontal movement and will not flip, so that the limit rod 202 is inserted into the insertion groove 104. When the threaded sleeve 4 is rotated, the bevel gear 501 disengages from the anti-skid tooth 403 and rotates in mesh. Through the matching design of the bevel gear 501 and the anti-skid tooth 403, the threaded sleeve 4 can only maintain forward rotation and thread connection with the thread line 201, and cannot be reversed. The design of the threaded sleeve 4 replaces the traditional bolt connection method and can improve the bearing capacity of the connection. The design of the anti-loosening member 5 can ensure that the threaded sleeve 4 will not loosen due to vibration during the movement of the vehicle. When the rear axle body 2 needs to be disassembled, the bevel gear 501 is disengaged from the anti-skid tooth 403 by toggling the toggle ring 502, so that the threaded sleeve 4 can be rotated to disassemble the rear axle body 2. When the toggle ring 502 is toggled, the spring 504 will contract and maintain the rebound force. When the toggle ring 502 is released, the spring 504 will reset and re-engage the bevel gear 501 on the anti-skid tooth 403 to meet the use requirements. The entire design structure of the device is simple and easy to use, which improves the connection convenience and load-bearing effect of the split rear axle, and at the same time can avoid the problem of oil leakage caused by loosening of the threaded sleeve 4 due to vibration.
[0025] like Figure 2 As shown, in some embodiments, connection ports 101 are provided at both ends of the box body 1, sliding grooves 102 and limiting grooves 103 are respectively provided on the connection ports 101, and a plug-in groove 104 is provided at one end of the connection port 101. The design of the box body 1 meets the use requirements and ensures the overall connection and use.
[0026] like Figure 3As shown, in some embodiments, a threaded line 201 is provided at one end of the rear axle body 2, and a limiting rod 202 is fixedly connected to the rear axle body 2 at the same end of the threaded line 201, the limiting rod 202 is plugged into the plug-in slot 104, the transmission wheel 3 is connected to the transmission shaft 301, the transmission shaft 301 is rotatably connected in the cavity of the rear axle body 2, the transmission shaft 301 is connected to the output shaft inside the box body 1, and the design of the rear axle body 2 and the transmission wheel 3 meets the use requirements, ensuring that the split rear axle can be used normally.
[0027] like Figure 4 As shown, in some embodiments, an anti-slip seat 401 is integrally formed at the center of the threaded sleeve 4, a rotating ring 402 is provided in a cavity at one end of the threaded sleeve 4, the rotating ring 402 is rotatably connected in the limiting groove 103, and an anti-slip tooth 403 is fixedly connected to the threaded sleeve 4 at the same end of the rotating ring 402. The design of the threaded sleeve 4 meets the use requirements, improves the convenience of installation and disassembly of the box body 1 and the rear axle body 2, improves the bearing capacity of the connection, meets the use requirements, and improves the use effect.
[0028] like Figure 5 As shown, in some embodiments, the anti-loosening component 5 is composed of a bevel gear 501, a dial ring 502, a fixed block 503 and a spring 504. The bevel gear 501 is meshed with the anti-slip tooth 403. The outer ring of the bevel gear 501 is fixedly connected to the dial ring 502, and the interior of the dial ring 502 is fixedly connected to the fixed block 503. The fixed block 503 is slidably connected in the sliding groove 102, and a spring 504 is fixedly connected to the fixed block 503. The other end of the spring 504 is fixedly connected to the sliding groove 102. The anti-loosening component 5 can ensure that the threaded sleeve 4 will not loosen due to vibration, thereby ensuring that the connection effect between the rear axle body 2 and the box body 1 is firm.
[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A vehicle body split rear axle, comprising a box body (1), a rear axle body (2), a transmission wheel (3), a threaded sleeve (4) and a locking member (5), characterized in that: Both ends of the box body (1) are cooperatively connected to a rear axle body (2), one end of the rear axle body (2) is cooperatively connected to a transmission wheel (3), the rear axle body (2) is cooperatively connected to a threaded sleeve (4), the threaded sleeve (4) is rotatably connected to the box body (1), the threaded sleeve (4) is cooperatively connected to an anti-loosening member (5), and the anti-loosening member (5) is slidably connected to the box body (1).
2. The split rear axle according to claim 1, characterized in that: Both ends of the box body (1) are provided with connection ports (101), a sliding groove (102) and a limiting groove (103) are respectively provided on the connection port (101), and a plug-in groove (104) is provided at one end of the connection port (101).
3. The split rear axle according to claim 1, characterized in that: A threaded line (201) is provided at one end of the rear axle body (2), a limit rod (202) is fixedly connected to the rear axle body (2) at the same end of the threaded line (201), and the limit rod (202) is plugged in cooperation with the plug-in slot (104).
4. The split rear axle according to claim 1, characterized in that: The transmission wheel (3) is connected to the transmission shaft (301) in a cooperative manner; the transmission shaft (301) is rotatably connected in the cavity of the rear axle body (2); and the transmission shaft (301) is connected to the output shaft inside the box (1) in a cooperative manner.
5. The split rear axle according to claim 1, characterized in that: An anti-slip seat (401) is integrally formed at the center of the threaded sleeve (4), a rotating ring (402) is provided in a cavity at one end of the threaded sleeve (4), the rotating ring (402) is rotatably connected in the limiting groove (103), and an anti-slip tooth (403) is fixedly connected to the threaded sleeve (4) at the same end of the rotating ring (402).
6. The split rear axle according to claim 1, characterized in that: The anti-loosening component (5) is composed of a bevel gear (501), a dial ring (502), a fixed block (503) and a spring (504); the bevel gear (501) is arranged in meshing engagement with the anti-slip teeth (403); the outer ring of the bevel gear (501) is fixedly connected to the dial ring (502); the interior of the dial ring (502) is fixedly connected to the fixed block (503); the fixed block (503) is slidably connected in the sliding groove (102); the fixed block (503) is fixedly connected to the spring (504); the other end of the spring (504) is fixedly connected to the sliding groove (102).