Tire expanding device for automobile maintenance

Abstract

The tire expanding device for automobile maintenance comprises a workbench and a height adjusting assembly, a first fixing rod is fixedly connected to the upper surface of the workbench, a first groove is formed in the first fixing rod, a first sliding block is slidably connected to the inner surface of the first groove, and a second sliding block is arranged in the first sliding block. The height adjusting assembly comprises a second fixing rod, a second sliding block, a threaded rod, a rotating handle, a pull rod and a tire expanding plate, the upper surface of the first sliding block is fixedly connected with the second fixing rod, and a second groove is formed in the second fixing rod. The tire expanding plate can better adapt to tires of different sizes and can be accurately attached to the inner wall of the tire, it is ensured that the tire can be effectively expanded, maintenance personnel can conveniently inspect and maintain the interior of the tire, the tires of different sizes can be limited, and the tire can be effectively prevented from rolling in the inspection or maintenance process.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile maintenance, in particular to a tire expanding device for automobile maintenance. Background Art

[0002] At present, with the continuous improvement of people's living standards, the number of vehicles of various styles and specifications is also increasing. However, in life, the tires of vehicles may be punctured. Usually, new tires are replaced or the punctured tires are repaired. In the process of repairing the tires, a tire repair device is needed to expand the inner tire skin to complete the repair work.

[0003] After searching, it was found that the technical solution provided by the utility model with application number CN202223043993.X includes a bracket and a workbench. A tire expanding mechanism for expanding automobile tires and a positioning mechanism for positioning the tires are respectively provided above the workbench. L-shaped support plates are fixedly installed on both sides above the workbench, and a bearing is fixedly installed on the side of the L-shaped support plate on one side. The solution is provided with an L-shaped support plate, a bearing, a threaded sleeve, a threaded rod, an inverted J-shaped tire expanding plate A, an electric hydraulic rod, an inverted J-shaped tire expanding plate B and a ball A. When the device is in use, the above structure is used to expand the inner edge of the tire, but the use height of the inverted J-shaped tire expanding plate A and the inverted J-shaped tire expanding plate B cannot be adjusted. The positions where tires of different sizes need to be expanded are different, and it is not suitable for tires of all sizes. Utility Model Content

[0004] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and to provide a tire expansion device for automobile maintenance, in which the height of the tire expansion plate can be adjusted so that the tire expansion plate can better adapt to tires of different sizes, accurately fit the inner wall of the tire, and ensure that the tire can be effectively expanded, thereby facilitating maintenance personnel to inspect and repair various components inside the tire.

[0005] To achieve the above-mentioned object, the utility model also provides the above-mentioned tire expanding device for automobile maintenance, comprising: a workbench and a height adjustment assembly, the upper surface of the workbench is fixedly connected to a first fixing rod, a first groove is provided inside the first fixing rod, and a first slider is slidably connected to the inner surface of the first groove, the height adjustment assembly comprises a second fixing rod, a second slider, a threaded rod, a rotating handle, a pull rod and a tire expanding plate, the upper surface of the first slider is fixedly connected to the second fixing rod, a second groove is provided inside the second fixing rod, the inner surface of the second groove is slidably connected to the second slider, the inner surface of the second slider is threadedly connected to the threaded rod, the upper end of the threaded rod is fixedly connected to the rotating handle, an electric slide is provided inside the workbench, a third slider is slidably connected to the inner surface of the electric slide, the upper surface of the third slider is fixedly connected to a support block, the end of the support block away from the third slider is fixedly connected to the first limit plate, the upper surface of the workbench is fixedly connected to a support column, the upper surface of the support column is fixedly connected to a top plate, the upper surface of the top plate is fixedly connected to a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected to the second limit plate.

[0006] According to the tire expanding device for automobile maintenance, the front surface of the second slider is fixedly connected to the pull rod, and the front surface of the pull rod is fixedly connected to the tire expanding plate. By rotating the handle to drive the threaded rod to rotate, the second slider, pull rod and tire expanding plate on the threaded rod move, and the use height of the tire expanding plate can be adjusted, so that the tire expanding plate can better adapt to tires of different sizes, and the use flexibility of the tire expanding plate is higher.

[0007] According to the tire expanding device for automobile maintenance, the rear surface of the first fixing rod is fixedly connected to a forward and reverse driving motor, and the output of the forward and reverse driving motor is fixedly connected to a bidirectional threaded screw. By starting the forward and reverse driving motor to drive the bidirectional threaded screw to rotate, the first slider and the second fixing rod on the bidirectional threaded screw move in opposite directions, and the tire expanding plate on the second fixing rod expands the tire.

[0008] According to the tire expansion device for automobile maintenance, the side surface of the bidirectional threaded screw is threadedly connected to the first slider, and the number of the first slider and the second fixing rod are both two and distributed front to back.

[0009] According to the tire expansion device for automobile maintenance, the forward and reverse drive motors, electric slide, and hydraulic cylinder are all electrically connected to an external power supply, and the number of the electric slide, third slider, support block, and first limit plate are all two and distributed on the left and right.

[0010] According to the tire expanding device for automobile maintenance, the surface of the tire expanding plate is provided with a corrosion-resistant coating, and the surface of the tire expanding plate is provided with a wear-resistant coating. The corrosion-resistant coating can form a protective film on the surface of the tire expanding plate to prevent chemical substances from directly contacting the tire expanding plate material, thereby extending the service life of the tire expanding plate. The wear-resistant coating can effectively reduce the wear of the tire expanding plate during frequent contact with the tire.

[0011] According to the tire expansion device for automobile maintenance, the surfaces of the first limiting plate and the second limiting plate are both provided with an anti-slip coating, and the inner surface of the second limiting plate is movably connected to the automobile tire. The anti-slip coating can increase the friction between the first limiting plate, the second limiting plate and the tire, so that the first limiting plate and the second limiting plate can limit the tire more firmly, preventing the tire from shifting in position.

[0012] According to the tire expanding device for automobile maintenance, the inner surface of the first limiting plate is movably connected to the automobile tire.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] By providing a second fixing rod, a second groove, a second slider, a threaded rod, a turning handle, a pull rod and a tire expansion plate, the height of the tire expansion plate can be adjusted, so that the tire expansion plate can better adapt to tires of different sizes, so that it can accurately fit the inner wall of the tire, ensuring that the tire can be effectively expanded, thereby facilitating maintenance personnel to inspect and repair various components inside the tire. By providing an electric slide, a third slider, a support block, a first limiting plate, a support column, a top plate, a hydraulic cylinder and a second limiting plate, tires of different sizes can be limited, which can effectively prevent the tire from rolling during inspection or maintenance, avoiding the possibility of the tire hitting the maintenance personnel due to the rolling tire, and providing a safe working environment for the maintenance personnel. Additional aspects and advantages of the present invention will be partially given in the following description, and partially will become apparent from the following description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the overall structure of a tire expansion device for automobile maintenance according to the present invention;

[0017] Figure 2 This is a schematic structural diagram of a first fixing rod of a tire expansion device for automobile maintenance according to the present invention;

[0018] Figure 3 This is a schematic diagram of the structure of a height adjustment component of a tire expansion device for automobile maintenance according to the present utility model;

[0019] Figure 4 The utility model is a partial structural schematic diagram of a tire expanding device for automobile maintenance.

[0020] Legend:

[0021] 1. Workbench; 2. First fixed rod; 3. First groove; 4. First slider; 5. Second fixed rod; 6. Second groove; 7. Second slider; 8. Threaded rod; 9. Turning handle; 10. Pull rod; 11. Tire expansion plate; 12. Forward and reverse drive motor; 13. Bidirectional threaded screw; 14. Electric slide; 15. Third slider; 16. Support block; 17. First limit plate; 18. Support column; 19. Top plate; 20. Hydraulic cylinder; 21. Second limit plate; 22. Height adjustment assembly; 23. Automobile tire. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0023] Reference Figure 1-4The tire expanding device for automobile maintenance of the present invention comprises: a workbench 1 and a height adjustment assembly 22, the upper surface of the workbench 1 is fixedly connected with a first fixing rod 2, the interior of the first fixing rod 2 is provided with a first groove 3, the inner surface of the first groove 3 is slidably connected with a first slider 4, the height adjustment assembly 22 comprises a second fixing rod 5, a second slider 7, a threaded rod 8, a rotating handle 9, a pull rod 10 and a tire expanding plate 11, the upper surface of the first slider 4 is fixedly connected with the second fixing rod 5, the number of the first slider 4 and the second fixing rod 5 is two and distributed front and back, the interior of the second fixing rod 5 is provided with a second groove 6, the inner surface of the second groove 6 is slidably connected with the second slider 7, the inner surface of the second slider 7 is threadedly connected with the threaded rod 8, the upper end of the threaded rod 8 is fixedly connected with the rotating handle 9, and the threaded rod 8 is driven by rotating the rotating handle 9 to rotate the threaded rod 8, the second slider 7 on the threaded rod 8, the pull rod 10 and the tire expanding plate 11 can be adjusted to the height of the tire expanding plate 11, so that the tire expanding plate 11 can better adapt to tires of different sizes, so that it can The tire expanding plate 11 is provided with a corrosion-resistant coating, and the corrosion-resistant coating can form a protective film on the surface of the tire expanding plate 11 to prevent chemicals from directly contacting the tire expanding plate 11 material, thereby extending the service life of the tire expanding plate 11; the surface of the tire expanding plate 11 is provided with a wear-resistant coating, and the wear-resistant coating can effectively reduce the wear of the tire expanding plate 11 during frequent contact with the tire; the rear surface of the first fixed rod 2 is fixedly connected to the forward and reverse drive motor 12, and the output of the forward and reverse drive motor 12 is fixedly connected to the bidirectional threaded screw 13, and the side surface of the bidirectional threaded screw 13 is threadedly connected to the first slider 4. By starting the forward and reverse drive motor 12, the bidirectional threaded screw 13 is driven to rotate, and the first slider 4 and the second fixed rod 5 on the bidirectional threaded screw 13 move in opposite directions, and the tire expanding plate 11 on the second fixed rod 5 expands the tire, which is convenient for the operator to repair and inspect the tire.

[0024] An electric slide 14 is provided inside the workbench 1, and the inner surface of the electric slide 14 is slidably connected to the third slider 15, and the upper surface of the third slider 15 is fixedly connected to the support block 16, and the end of the support block 16 away from the third slider 15 is fixedly connected to the first limit plate 17. The number of the electric slide 14, the third slider 15, the support block 16 and the first limit plate 17 are all two and distributed on the left and right. By starting the electric slide 14 to drive the third slider 15, the support block 16 and the first limit plate 17 to move, the distance between the two first limit plates 17 can be adjusted, and thus tires of different sizes can be supported. The upper surface of the workbench 1 is fixedly connected to a support column 18, the upper surface of the support column 18 is fixedly connected to a top plate 19, and the upper surface of the top plate 19 is fixedly connected to a hydraulic cylinder 2 0, the forward and reverse drive motors 12, the electric slide 14, and the hydraulic cylinder 20 are all electrically connected to an external power supply. The output end of the hydraulic cylinder 20 is fixedly connected to the second limit plate 21. By starting the hydraulic cylinder 20, the second limit plate 21 is driven to move. The first limit plate 17 and the second limit plate 21 work together to limit tires of different sizes. The surfaces of the first limit plate 17 and the second limit plate 21 are both provided with an anti-slip coating. The anti-slip coating can increase the friction between the first limit plate 17, the second limit plate 21 and the tire, so that the first limit plate 17 and the second limit plate 21 limit the tire more firmly and prevent the tire from shifting in position. The inner surface of the second limit plate 21 is movably connected to the automobile tire 23, and the inner surface of the first limit plate 17 is movably connected to the automobile tire 23.

[0025] Working principle: When in use, start the electric slide 14, and the third slider 15 in the electric slide 14 drives the support block 16 and the first limit plate 17 to move, and adjusts the two first limit plates 17 to a suitable position, and places the tire that needs to be repaired or inspected on the two first limit plates 17, and drives the second limit plate 21 to move downward by starting the hydraulic cylinder 20, so that the second limit plate 21 limits the tires on the two first limit plates 17, and first uses the height of the tire expansion plate 11 according to the position where the tire needs to be expanded on one side of the tire, and drives the threaded rod 8 to rotate by rotating the handle 9, and the second slider 7, the pull rod 10 and the tire expansion plate 11 on the threaded rod 8 move to a suitable position so that the tire expansion plate 11 can fit the inner wall of the tire, and drives the bidirectional threaded screw 13 to rotate by starting the forward and reverse drive motor 12, and the bidirectional threaded screw The first slider 4 and the second fixing rod 5 on 13 move in opposite directions, and the tire expanding plate 11 on the second fixing rod 5 expands the tire, which is convenient for the operator to repair and inspect the tire. During the tire expansion process, the two first limiting plates 17 and the second limiting plates 21 limit the tire, which can prevent the tire from rolling during the tire expansion process. The device can adjust the use height of the tire expanding plate 11 so that the tire expanding plate 11 can better adapt to tires of different sizes, so that it can accurately fit the inner wall of the tire, ensuring that the tire can be effectively expanded, thereby facilitating the maintenance personnel to inspect and repair various components inside the tire, and can limit tires of different sizes, which can effectively prevent the tire from rolling during inspection or maintenance, avoid the possibility of the tire hitting the maintenance personnel due to tire rolling, and provide a safe working environment for the maintenance personnel.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A tire expansion device for automobile maintenance, characterized in that: include: A workbench (1) and a height adjustment assembly (22), wherein the upper surface of the workbench (1) is fixedly connected to a first fixing rod (2), a first groove (3) is provided inside the first fixing rod (2), and a first slider (4) is slidably connected to the inner surface of the first groove (3), and the height adjustment assembly (22) comprises a second fixing rod (5), a second slider (7), a threaded rod (8), a turning handle (9), a pull rod (10) and a tire expansion plate (11), the upper surface of the first slider (4) is fixedly connected to the second fixing rod (5), a second groove (6) is provided inside the second fixing rod (5), the inner surface of the second groove (6) is slidably connected to the second slider (7), the inner surface of the second slider (7) is threadedly connected to the threaded rod (8), and the upper end of the threaded rod (8) is fixedly connected to the turning handle (9); An electric slide (14) is provided inside the workbench (1), the inner surface of the electric slide (14) is slidably connected to a third slider (15), the upper surface of the third slider (15) is fixedly connected to a support block (16), the end of the support block (16) away from the third slider (15) is fixedly connected to a first limit plate (17), the upper surface of the workbench (1) is fixedly connected to a support column (18), the upper surface of the support column (18) is fixedly connected to a top plate (19), the upper surface of the top plate (19) is fixedly connected to a hydraulic cylinder (20), and the output end of the hydraulic cylinder (20) is fixedly connected to a second limit plate (21).

2. A tire expansion device for automobile maintenance according to claim 1, characterized in that: The front surface of the second sliding block (7) is fixedly connected to the pull rod (10), and the front surface of the pull rod (10) is fixedly connected to the tire expansion plate (11).

3. The tire expansion device for automobile maintenance according to claim 1, characterized in that: The rear surface of the first fixing rod (2) is fixedly connected to a forward and reverse driving motor (12), and the output of the forward and reverse driving motor (12) is fixedly connected to a bidirectional threaded lead screw (13).

4. The tire expansion device for automobile maintenance according to claim 3, characterized in that: The side surface of the bidirectional threaded screw (13) is threadedly connected to the first slider (4), and the number of the first slider (4) and the second fixing rod (5) are both two and distributed front to back.

5. The tire expansion device for automobile maintenance according to claim 3, characterized in that: The forward and reverse driving motor (12), the electric slide (14), and the hydraulic cylinder (20) are all electrically connected to an external power supply. The number of the electric slide (14), the third slider (15), the support block (16), and the first limit plate (17) are all two and are distributed on the left and right.

6. The tire expansion device for automobile maintenance according to claim 1, characterized in that: The surface of the tire expansion plate (11) is provided with a corrosion-resistant coating, and the surface of the tire expansion plate (11) is provided with a wear-resistant coating.

7. The tire expansion device for automobile maintenance according to claim 1, characterized in that: The surfaces of the first limiting plate (17) and the second limiting plate (21) are both provided with an anti-slip coating, and the inner surface of the second limiting plate (21) is movably connected to a car tire (23).

8. The tire expansion device for automobile maintenance according to claim 7, characterized in that: The inner surface of the first limiting plate (17) is movably connected to the automobile tire (23).

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