Dismounting device for motor vehicle maintenance

By designing the coordination of wheels, bearing housings, and adjustment mechanisms, the problem that existing disassembly devices cannot adapt to different sized wheel hubs has been solved, thus improving the stability and practicality of the disassembly device.

CN224074282UActive Publication Date: 2026-04-03YIBIN YIZHONG AUTOMOBILE SERVICE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-14
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing disassembly devices are usually fixed in one piece, which cannot adapt to wheel hubs of different sizes, resulting in mismatched positioning holes and affecting the stability and practicality of the disassembly rod rotation.

Method used

A disassembly device for motor vehicle repair was designed, comprising a wheel, bearing housing, positioning plate, and adjustment mechanism. The position of the disassembly rod can be adjusted by the cooperation of the inclined block and guide plate of the adjustment mechanism to accommodate wheel hubs of different sizes.

Benefits of technology

This improves the stability and practicality of the disassembly device when dealing with wheel hubs of different sizes, and ensures the stability and efficiency of the disassembly rod rotation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of dismounting devices, and particularly relates to a dismounting device for motor vehicle maintenance, which comprises a wheel and a bearing seat, the inner cavity of the wheel is arranged on the surface of the bearing seat, and the inner cavity of the bearing seat is provided with a connecting hole; by arranging the adjusting mechanism, the positioning ring is held to rotate, position fixation of the movable plate is cancelled, then the movable plate can be pushed to move, the first inclined block is driven to move through movement of the movable plate, and the second inclined block is pushed to move in the moving process of the first inclined block; a second inclined block moves to drive an adjusting plate to move, the position of the adjusting plate can be adjusted according to requirements, and the problems that the dismounting device is generally fixed into a whole, when the dismounting device meets hubs of different sizes, the positions of positioning holes do not correspond, the dismounting device can not be installed on the surfaces of the hubs, and therefore the stability of a dismounting rod in the rotating process is reduced; and the practicability of the dismounting device is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of disassembly devices, specifically a disassembly device for motor vehicle repair. Background Technology

[0002] In the process of motor vehicle repair, disassembling various parts is a common and crucial step. Appropriate disassembly devices can improve repair efficiency, ensure operational safety, and reduce damage to parts.

[0003] During the removal of truck tires, the wheel hub and bearing housing are tightly fixed, making manual removal very time-consuming and labor-intensive. Usually, a removal device is needed to achieve a quick removal effect.

[0004] However, existing disassembly devices are usually fixed in one piece. When encountering wheel hubs of different sizes, the positions of the positioning holes do not correspond, and it may not be possible to install them on the wheel hub surface. This reduces the stability of the disassembly rod during rotation, thus reducing the practicality of the disassembly device. Utility Model Content

[0005] To overcome the shortcomings of existing technologies, disassembly devices are usually fixed as one unit. When encountering wheel hubs of different sizes, the positions of the positioning holes do not correspond, which may prevent the device from being installed on the wheel hub surface. This reduces the stability of the disassembly rod during rotation and reduces the practicality of the disassembly device. This utility model proposes a disassembly device for motor vehicle repair.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a disassembly device for motor vehicle repair, including a wheel and a bearing seat. The inner cavity of the wheel is installed on the surface of the bearing seat. A connecting hole is opened in the inner cavity of the bearing seat. A bolt is installed in the inner cavity of the bearing seat. The wheel and the bearing seat are fixedly connected by the bolt. A positioning plate is installed on the front side of the bearing seat. A disassembly rod is threadedly connected to the inner cavity of the positioning plate. A disassembly head is fixedly installed on the back side of the disassembly rod. The surface of the disassembly head is inserted into the inner cavity of the bolt. Connecting rods are slidably connected to both sides of the inner cavity of the positioning plate. The surface of the connecting rod is threadedly connected to the inner cavity of the connecting hole. An adjustment mechanism is installed in the inner cavity of the positioning plate.

[0007] The adjustment mechanism includes a movable plate and an adjustment plate. The movable plate is respectively disposed on both sides of the positioning plate. The surface of the adjustment plate is slidably connected to the inner cavity of the positioning plate. A first inclined block is fixedly connected to one side of the movable plate. The surface of the first inclined block is movably connected to the inner cavity of the positioning plate. A second inclined block is movably connected to both the top and bottom of the first inclined block. The inclined surfaces of the first and second inclined blocks cooperate. One side of the second inclined block is fixedly connected to the surface of the adjustment plate.

[0008] Preferably, positioning rods are fixedly connected to both sides of the positioning plate, and the surfaces of the positioning rods are slidably connected to the inner cavity of the moving plate.

[0009] Preferably, positioning rings are movably connected to both sides of the movable plate, and the inner cavity of the positioning ring is threadedly connected to the surface of the positioning rod.

[0010] Preferably, a second inclined block is provided on both the front and back sides of the inner cavity of the positioning plate, and a guide plate is slidably connected to the inner cavity of the second inclined block. One side of the guide plate is fixedly connected to the surface of the adjusting plate.

[0011] Preferably, a limiting rod is slidably connected to the inner cavity of the guide plate, and the surface of the limiting rod is fixedly connected to the inner cavity of the second inclined block.

[0012] Preferably, a spring is fixedly connected to the bottom of the guide plate, and one end of the spring is fixedly connected to the inner cavity of the second inclined block.

[0013] Preferably, a connecting seat is fixedly connected to the surface of the disassembly rod, a handle is fixedly connected to the surface of the connecting seat, and an anti-slip sleeve is fixedly connected to the surface of the handle.

[0014] The advantages of this utility model are:

[0015] This invention, by setting up an adjustment mechanism, eliminates the need to fix the position of the moving plate by gripping and rotating the positioning ring. The moving plate can then be moved by pushing it, which in turn moves the first inclined block. During the movement of the first inclined block, the second inclined block is moved, which in turn moves the adjustment plate. This allows the position of the adjustment plate to be adjusted as needed. This solves the problem that disassembly devices are usually fixed in one piece, and when encountering different sized wheel hubs, the positioning holes may not correspond, potentially preventing installation on the wheel hub surface and reducing the stability of the disassembly rod during rotation, thus reducing the practicality of the disassembly device. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the positioning plate of this utility model;

[0019] Figure 3 This is a schematic diagram of the disassembly rod of this utility model;

[0020] Figure 4 This is a cross-sectional view of the positioning plate of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the adjustment plate of this utility model.

[0022] In the diagram: 1. Wheel; 2. Bearing seat; 3. Connecting hole; 4. Bolt; 5. Positioning plate; 6. Adjusting mechanism; 601. Moving plate; 602. Adjusting plate; 603. Positioning ring; 604. Positioning rod; 605. First inclined block; 606. Second inclined block; 607. Guide plate; 608. Limiting rod; 609. Spring; 7. Connecting rod; 8. Anti-slip sleeve; 9. Disassembly rod; 10. Handle; 11. Disassembly head; 12. Connecting seat. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0024] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0025] This application discloses a disassembly device for motor vehicle repair. (Refer to...) Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A disassembly device for motor vehicle repair includes a wheel 1 and a bearing seat 2. The inner cavity of the wheel 1 is mounted on the surface of the bearing seat 2. The inner cavity of the bearing seat 2 has a connecting hole 3. A bolt 4 is installed in the inner cavity of the bearing seat 2. The wheel 1 and the bearing seat 2 are fixedly connected by the bolt 4. A positioning plate 5 is installed on the front side of the bearing seat 2. A disassembly rod 9 is threadedly connected to the inner cavity of the positioning plate 5. A disassembly head 11 is fixedly installed on the back side of the disassembly rod 9. The surface of the disassembly head 11 is inserted into the inner cavity of the bolt 4. Connecting rods 7 are slidably connected to both sides of the inner cavity of the positioning plate 5. The surface of the connecting rods 7 is threadedly connected to the inner cavity of the connecting hole 3. An adjustment mechanism 6 is installed in the inner cavity of the positioning plate 5.

[0026] The adjustment mechanism 6 includes a movable plate 601 and an adjustment plate 602. The movable plate 601 is respectively disposed on both sides of the positioning plate 5. The surface of the adjustment plate 602 is slidably connected to the inner cavity of the positioning plate 5. A first inclined block 605 is fixedly connected to one side of the movable plate 601. The surface of the first inclined block 605 is movably connected to the inner cavity of the positioning plate 5. A second inclined block 606 is movably connected to both the top and bottom of the first inclined block 605. The inclined surfaces of the first inclined block 605 and the second inclined block 606 cooperate with each other. One side of the second inclined block 606 is fixedly connected to the surface of the adjustment plate 602.

[0027] Reference Figure 4 Positioning rods 604 are fixedly connected to both sides of the positioning plate 5. The surface of the positioning rods 604 is slidably connected to the inner cavity of the moving plate 601. The positioning rods 604 support the position of the moving plate 601, keeping the moving plate 601 moving horizontally and preventing the position of the moving plate 601 from shifting during the movement.

[0028] Reference Figure 4 Positioning rings 603 are movably connected to both sides of the movable plate 601. The inner cavity of the positioning ring 603 is threadedly connected to the surface of the positioning rod 604. The positioning rings 603 fix the position of the movable plate 601 and prevent the movable plate 601 from moving again after the position adjustment is completed, thereby affecting the normal positioning of the adjusting plate 602.

[0029] Reference Figure 4 and Figure 5 The positioning plate 5 has a second inclined block 606 on both the front and back sides of the inner cavity. The inner cavity of the second inclined block 606 is slidably connected to a guide plate 607. One side of the guide plate 607 is fixedly connected to the surface of the adjusting plate 602. The guide plate 607 guides the movement of the adjusting plate 602, which can improve the stability of the adjusting plate 602 during the movement and facilitate the sliding of the adjusting plate 602 inside the positioning plate 5.

[0030] Reference Figure 5 The inner cavity of the guide plate 607 is slidably connected to the limiting rod 608. The surface of the limiting rod 608 is fixedly connected to the inner cavity of the second inclined block 606. The limiting rod 608 limits the guide plate 607, preventing it from detaching from the inside of the second inclined block 606 during movement. At the same time, it can keep the adjusting plate 602 moving vertically, preventing the adjusting plate 602 from shifting position during movement.

[0031] Reference Figure 5A spring 609 is fixedly connected to the bottom of the guide plate 607. One end of the spring 609 is fixedly connected to the inner cavity of the second inclined block 606. The position of the adjusting plate 602 is positioned by the spring 609. When the adjusting plate 602 is not under force, the guide plate 607 moves by restoring its deformation through the spring 609. The movement of the guide plate 607 can drive the adjusting plate 602 to quickly reset, which is convenient for the adjusting plate 602 to be used again later.

[0032] Reference Figure 3 A connecting seat 12 is fixedly connected to the surface of the disassembly rod 9, and a handle 10 is fixedly connected to the surface of the connecting seat 12. An anti-slip sleeve 8 is fixedly connected to the surface of the handle 10. The connecting seat 12 fixes the position of the handle 10 so that it can rotate synchronously with the disassembly rod 9, thereby increasing the contact area between the operator's hand and the disassembly rod 9, making it easier to grip and rotate the disassembly rod 9. The anti-slip sleeve 8 increases the friction force during contact with the handle 10, thereby preventing the hand from slipping during rotation.

[0033] Working Principle: When it is necessary to disassemble and repair wheel 1 from the surface of bearing housing 2, first remove the dust cover from the surface of bearing housing 2 and remove the screws connecting the dust cover to the connecting hole 3. Then, the operator moves the positioning plate 5 to the front of the bolt 4, passes the two connecting rods 7 through the inside of the positioning plate 5, and inserts them into the inside of the connecting hole 3, so that the positioning plate 5 and the bolt 4 are at the same horizontal position. Then, the operator can grasp the handle 10 and rotate it. The rotation of the handle 10 drives the connecting seat 12 to rotate, and the rotation of the connecting seat 12 drives the disassembly rod 9 to rotate. During the rotation of the disassembly rod 9, it connects with the inside of the positioning plate 5 through the screw sleeve, so that it can move simultaneously during the rotation of the disassembly rod 9. The rotation of the disassembly rod 9 drives the disassembly head 11 to rotate until the surface of the disassembly head 11 is inserted into the inside of the bolt 4. Then, the operator can rotate the handle 10 in the opposite direction. The rotation of the handle 10 drives the disassembly head 11 to rotate, thus removing the bolt. 4. Remove the wheel 1 from the bearing seat 2 and cancel the fixed connection between the wheel 1 and the bearing seat 2. The wheel 1 can then be detached from the surface of the bearing seat 2. If the wheel 1 is too large and the connecting rod 7 inside the positioning plate 5 is not at the same horizontal position as the connecting hole 3, the positioning ring 603 can be rotated by holding it. During the rotation of the positioning ring 603, it moves away from the surface of the moving plate 601, thus canceling the position fixation of the moving plate 601. Then, the moving plate 601 can be pushed inward. The movement of the moving plate 601 drives the first inclined block 605 to move. During the movement of the first inclined block 605, it will push the two second inclined blocks 606 to move up and down respectively. The movement of the second inclined blocks 606 drives the adjusting plate 602 to move. The adjusting plate 602 can then be unfolded from the inside of the positioning plate 5. After the adjusting plate 602 is moved to the same horizontal position as the connecting hole 3, the connecting rod 7 can be re-passed through the inside of the adjusting plate 602 and inserted into the connecting hole 3, thereby improving the overall practicality.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A motor vehicle repair demounting device comprising a wheel (1) and a bearing seat (2), characterized in that: The inner cavity of the wheel (1) is mounted on the surface of the bearing seat (2), the inner cavity of the bearing seat (2) is provided with a connecting hole (3), the inner cavity of the bearing seat (2) is mounted with a bolt (4), the wheel (1) and the bearing seat (2) are fixedly connected through the bolt (4), the front side of the bearing seat (2) is mounted with a positioning plate (5), the inner cavity of the positioning plate (5) is threadedly connected with a dismounting rod (9), the back side of the dismounting rod (9) is fixedly mounted with a dismounting head (11), the surface of the dismounting head (11) is inserted into the inner cavity of the bolt (4), the two sides of the inner cavity of the positioning plate (5) are slidably connected with a connecting rod (7), the surface of the connecting rod (7) is threadedly connected with the inner cavity of the connecting hole (3), and the inner cavity of the positioning plate (5) is mounted with an adjusting mechanism (6). The adjusting mechanism (6) comprises a moving plate (601) and an adjusting plate (602), the moving plate (601) is arranged on the two sides of the positioning plate (5), the surface of the adjusting plate (602) is slidably connected with the inner cavity of the positioning plate (5), one side of the moving plate (601) is fixedly connected with a first inclined block (605), the surface of the first inclined block (605) is movably connected with the inner cavity of the positioning plate (5), the top and bottom of the first inclined block (605) are movably connected with a second inclined block (606), and the inclined surfaces of the first inclined block (605) and the second inclined block (606) are used in cooperation.

2. A motor vehicle service dismounting device according to claim 1, characterized in that: The two sides of the positioning plate (5) are fixedly connected with a positioning rod (604), and the surface of the positioning rod (604) is slidably connected with the inner cavity of the moving plate (601).

3. A motor vehicle service dismounting device according to claim 1, characterized in that: The two sides of the moving plate (601) are movably connected with a positioning ring (603), and the inner cavity of the positioning ring (603) is threadedly connected with the surface of the positioning rod (604).

4. A motor vehicle service dismounting device according to claim 1, characterized in that: The front side and the back side of the inner cavity of the positioning plate (5) are provided with a second inclined block (606), the inner cavity of the second inclined block (606) is slidably connected with a guide plate (607), and one side of the guide plate (607) is fixedly connected with the surface of the adjusting plate (602).

5. A motor vehicle service demounting device according to claim 4, characterized in that: The inner cavity of the guide plate (607) is slidably connected with a limiting rod (608), and the surface of the limiting rod (608) is fixedly connected with the inner cavity of the second inclined block (606).

6. A motor vehicle service dismounting device according to claim 4, characterized in that: The bottom of the guide plate (607) is fixedly connected with a spring (609), and one end of the spring (609) is fixedly connected with the inner cavity of the second inclined block (606).

7. A motor vehicle service dismounting device according to claim 1, characterized in that: The surface of the dismounting rod (9) is fixedly connected with a connecting seat (12), the surface of the connecting seat (12) is fixedly connected with a handle (10), and the surface of the handle (10) is fixedly connected with an anti-skid sleeve (8).