Jacking device for automobile maintenance
By designing a car maintenance hoisting device including a motor, threaded rod, sliding frame, rotary plate, airbag and sleeve, the problem of difficulty in adjusting the hoisting position of traditional devices is solved, stable support and protection of car bodies of different lengths is achieved, and the stability and flexibility of the use of the device are improved.
Patent Information
- Application Number
- CN202422335075.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-09-25
AI Technical Summary
Traditional car maintenance hoisting devices are difficult to adjust the hoisting position according to the length of the vehicle body, which leads to the inability to stably hoist the vehicle body during use, affecting the stable use of the device.
A hoisting device including a bottom frame, a sliding frame, a fixed frame, a threaded rod, a rotary rod, a sleeve, a sleeve rod, an air pump and an airbag is designed. The threaded rod is driven to rotate through a motor, the sliding frame slides on the inner wall of the bottom frame, and the rotary plate rotates. The airbag assists the car's support, and the position of the bottom frame is adjusted to adapt to the vehicle body of different lengths through the use of the sleeve and the sleeve rod.
The lifting device can achieve stable support and protection for different lengths of vehicle bodies, avoiding damage to the bottom of the vehicle body due to stress support, and at the same time improves the stability and flexibility of the device.
Smart Images
Figure CN222989681U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile maintenance, and specifically relates to a jacking device for automobile maintenance. Background Art
[0002] Automobile maintenance is a general term for automobile maintenance and repair. It means to troubleshoot a malfunctioning automobile through technical means, find out the cause of the malfunction, and take certain measures to eliminate the malfunction and restore it to a certain performance and safety standard.
[0003] Traditional automobile maintenance jacking devices are equipment specially designed for automobile maintenance, aiming to help maintenance personnel complete maintenance work more safely and efficiently. These devices usually include components such as a bottom plate, a driving motor, a left-right threaded rod, a slider, and a sliding rod. Through the interaction of these components, the function of jacking the automobile is realized. By rotating the driving motor, the rotation of the left-right threaded rod is driven, and then the slider is pushed to slide along the bottom plate. Through the sliding of the sliding rod and the movable block, the up and down movement of the support platform is realized. This movement can not only help maintenance personnel jack the automobile to an appropriate height for maintenance work, but during the use of traditional automobile maintenance jacking devices, it is difficult to adjust the jacking position according to the length of the vehicle body, resulting in difficulty in keeping the vehicle body stable during jacking by the jacking device, and further affecting the stable use of the device. Content of the Utility Model
[0004] In view of the deficiencies of the prior art, the utility model provides a jacking device for automobile maintenance to solve the problems raised in the above background art.
[0005] The utility model provides the following technical solution: A jacking device for automobile maintenance, including a bottom frame, the inner wall of the bottom frame is slidably connected with a sliding frame, the inner wall of the bottom frame is fixedly assembled with a fixed frame, the inner wall of the bottom frame is rotatably connected with a threaded rod, and the outer edge of the threaded rod is slidably sleeved with the inner wall of the sliding frame. A rotating rod is fixedly assembled on the side of the threaded rod, and the outer edge of the rotating rod is rotatably sleeved with the inner wall of the fixed frame. A sleeve is fixedly assembled on the side of the rotating rod, a sleeve rod is slidably sleeved with the inner wall of the sleeve, an air pump is fixedly assembled on the top of the fixed frame, a first chute is opened on the top of the sleeve, a second chute is opened on the top of the sleeve rod, and a roller is rotatably connected to the bottom of the bottom frame.
[0006] As a preferred technical solution of the utility model, an auxiliary cylinder is fixedly assembled at the bottom of the sleeve, a spring is fixedly connected to the bottom of the inner wall of the auxiliary cylinder, a circular plate is fixedly connected to the top of the spring, and the outer edge of the circular plate is slidably sleeved with the inner wall of the auxiliary cylinder.
[0007] As a preferred technical solution of the present utility model, a sliding plate is slidably sleeved on the inner wall of the first chute, an adjusting rod is fixedly assembled on the top of the sliding plate, and the shape and size of the outer edge of the sliding plate are adapted to the inner walls of the first chute and the second chute.
[0008] As a preferred technical solution of the present utility model, the inner diameter of the auxiliary cylinder is a, the inner diameter of the first chute is b, and b < a.
[0009] As a preferred technical solution of the present utility model, a motor is fixedly assembled on the side of the bottom frame, and the output shaft of the motor is fixedly sleeved on the inner wall of the threaded rod. The air outlet of the air pump is fixedly sleeved with a connecting pipe. The top of the connecting pipe is fixedly assembled with a solenoid valve pipe. The top of the solenoid valve pipe is fixedly sleeved with a top plate. The top of the top plate is fixedly assembled with an airbag, and the inner cavity of the airbag passes through the inner wall of the top plate and is connected to the inner wall of the connecting pipe and the air outlet of the air pump.
[0010] As a preferred technical solution of the present utility model, a first rotating plate is rotatably connected to the inner wall of the top of the sliding frame, and the top of the first rotating plate is rotatably connected to the side of the top plate. A second rotating plate is rotatably connected to the inner wall of the top of the fixed frame, and round rods are rotatably sleeved on the inner walls of the second rotating plate and the first rotating plate. The connection structure at the top of the second rotating plate is exactly the same as the connection mechanism at the top of the first rotating plate.
[0011] As a preferred technical solution of the present utility model, an auxiliary plate is slidably sleeved on the inner wall of the bottom frame. The number of the bottom frames is two, and the inner walls of the two bottom frames are both slidably connected to the side of the auxiliary plate. The connection structures at the tops of the two bottom frames are exactly the same, and the side of the threaded rod on the inner wall of the bottom frame far from the motor is fixedly assembled with the side of the sleeve rod.
[0012] Compared with the prior art, the present utility model has the following beneficial effects:
[0013] 1. For the jacking device for vehicle maintenance, through the combined use of the motor and the threaded rod, the motor drives the threaded rod to rotate, thereby driving the sliding frame to slide in the inner wall of the bottom frame by the threaded rod, and then driving the first rotating plate and the second rotating plate to rotate by the sliding frame, so as to assist in adjusting the rotation angle of the top plate. Then, the air pump sends air into the airbag through the connecting pipe, and then the air pump and the solenoid valve pipe are closed. Furthermore, the airbag is used to assist in supporting the vehicle and protecting the vehicle body, avoiding damage to the bottom of the vehicle body caused by stress support.
[0014] 2. The jacking device for vehicle maintenance adjusts the position of the sleeve rod in the inner wall of the sleeve through the cooperation of the sleeve and the sleeve rod. Then, the adjusting rod drives the sliding plate to pass through the inner walls of the first chute and the second chute until the outer edge of the sliding plate moves into the inner wall of the auxiliary cylinder. Then, the adjusting rod is rotated, and the outer edge of the adjusting rod is used to assist in limiting the bottom of the sleeve. The spring is used to push the circular plate upward, and then the circular plate is used to assist in pushing the sliding plate to be stably limited, so as to facilitate the position adjustment of the two bottom frames and assist in limiting the bottom frames. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0016] Figure 2 is a front sectional structural schematic diagram of the present utility model;
[0017] Figure 3 is of the present utility model Figure 2 is an enlarged structural schematic diagram at A in;
[0018] Figure 4 is a partial disassembled structural schematic diagram of the present utility model.
[0019] In the figure: 1, bottom frame; 2, sliding frame; 3, fixed frame; 4, threaded rod; 5, rotating rod; 6, sleeve; 7, roller; 8, first chute; 9, second chute; 10, auxiliary cylinder; 11, circular plate; 12, spring; 13, adjusting rod; 14, sliding plate; 15, motor; 16, air pump; 17, connecting pipe; 18, solenoid valve pipe; 19, top plate; 20, airbag; 21, first rotating plate; 22, second rotating plate; 23, round rod; 24, auxiliary plate; 25, sleeve rod. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0021] Please refer to Figures 1 - 4, A jacking device for vehicle maintenance, including a bottom frame 1. A sliding frame 2 is slidably connected to the inner wall of the bottom frame 1. A fixed frame 3 is fixedly assembled on the inner wall of the bottom frame 1. A threaded rod 4 is rotatably connected to the inner wall of the bottom frame 1, and the outer edge of the threaded rod 4 is slidably sleeved with the inner wall of the sliding frame 2. A rotating rod 5 is fixedly assembled on the side of the threaded rod 4, and the outer edge of the rotating rod 5 is rotatably sleeved with the inner wall of the fixed frame 3. A sleeve 6 is fixedly assembled on the side of the rotating rod 5. A sleeve rod 25 is slidably sleeved with the inner wall of the sleeve 6. An air pump 16 is fixedly assembled on the top of the fixed frame 3. A first chute 8 is opened on the top of the sleeve 6. A second chute 9 is opened on the top of the sleeve rod 25. A roller 7 is rotatably connected to the bottom of the bottom frame 1. By the combined use of the threaded rod 4 and the rotating rod 5, the threaded rod 4 rotates in the inner wall of the bottom frame 1, so as to drive the sliding frame 2 to slide in the inner wall of the bottom frame 1 by means of the threaded rod 4. By the combined use of the sleeve 6 and the sleeve rod 25, the side of the sleeve rod 25 is limited by the inner wall of the sleeve 6, and then the threaded rod 4 is stably transmitted through the sleeve 6 and the sleeve rod 25.
[0022] In a preferred embodiment, an auxiliary cylinder 10 is fixedly assembled at the bottom of the sleeve 6. A spring 12 is fixedly connected to the bottom of the inner wall of the auxiliary cylinder 10. A round plate 11 is fixedly connected to the top of the spring 12, and the outer edge of the round plate 11 is slidably sleeved with the inner wall of the auxiliary cylinder 10. By the combined use of the spring 12 and the round plate 11, the spring 12 pushes the round plate 11 in the inner wall of the auxiliary cylinder 10, and then the round plate 11 pushes the sliding plate 14 to move upward.
[0023] In a preferred embodiment, a sliding plate 14 is slidably sleeved with the inner wall of the first chute 8. An adjusting rod 13 is fixedly assembled on the top of the sliding plate 14. The shape and size of the outer edge of the sliding plate 14 are adapted to the inner wall of the first chute 8 and the inner wall of the second chute 9. By the combined use of the sliding plate 14 and the first chute 8, the outer edge of the sliding plate 14 moves through the inner wall of the first chute 8 until the sliding plate 14 moves into the inner cavity of the auxiliary cylinder 10, and then the sliding plate 14 is assisted in being limited.
[0024] In a preferred embodiment, the diameter of the inner wall of the auxiliary cylinder 10 is a, and the diameter of the inner wall of the first chute 8 is b, and b < a. By the combined use of the auxiliary cylinder 10 and the first chute 8, the inner wall of the auxiliary cylinder 10 is larger than the inner wall of the first chute 8, so as to assist the sliding plate 14 to move into the inner wall of the auxiliary cylinder 10 and rotate the sliding plate 14, thereby assisting the sliding plate 14 to be stably limited.
[0025] In a preferred embodiment, a motor 15 is fixedly assembled on the side of the bottom frame 1, and the output shaft of the motor 15 is fixedly sleeved with the inner wall of the threaded rod 4. The air outlet of the air pump 16 is fixedly sleeved with a connecting pipe 17. The top of the connecting pipe 17 is fixedly assembled with a solenoid valve pipe 18. The top of the solenoid valve pipe 18 is fixedly sleeved with a top plate 19. The top of the top plate 19 is fixedly assembled with an airbag 20. The inner cavity of the airbag 20 passes through the inner wall of the top plate 19 and is connected to the inner wall of the connecting pipe 17 and the air outlet of the air pump 16. By the combined use of the motor 15 and the connecting pipe 17, the motor 15 drives the threaded rod 4 to rotate, thereby assisting the sliding frame 2 to move. The air pump 16 sends air into the connecting pipe 17, and then the connecting pipe 17 sends air into the airbag 20 through the solenoid valve pipe 18. By closing the air pump 16 and the solenoid valve pipe 18, the airbag 20 is assisted to stably support the vehicle body.
[0026] In a preferred embodiment, a first rotating plate 21 is rotatably connected to the inner wall of the top of the sliding frame 2, and the top of the first rotating plate 21 is rotatably connected to the side of the top plate 19. A second rotating plate 22 is rotatably connected to the inner wall of the top of the fixed frame 3, and round rods 23 are rotatably sleeved on the inner walls of the second rotating plate 22 and the first rotating plate 21. The connecting structure at the top of the second rotating plate 22 is completely the same as the connecting mechanism at the top of the first rotating plate 21. By the combined use of the first rotating plate 21 and the second rotating plate 22, the first rotating plate 21 and the second rotating plate 22 rotate, thereby assisting the top plate 19 to stably support and adjust the height. By adding the round rods 23, the round rods 23 are further used to assist the first rotating plate 21 and the second rotating plate 22 to stably limit the rotation.
[0027] In a preferred embodiment, an auxiliary plate 24 is slidably sleeved on the inner wall of the bottom frame 1. The number of the bottom frames 1 is two, and the inner walls of the two bottom frames 1 are both slidably connected to the side of the auxiliary plate 24. The connecting structures at the tops of the two bottom frames 1 are completely the same. The side of the threaded rod 4 on the inner wall of the bottom frame 1 at the end far from the motor 15 is fixedly assembled with the side of the sleeve rod 25. By adding the two bottom frames 1, the auxiliary plate 24 is used to assist the two bottom frames 1 to move towards each other, and further assist the device to stably support vehicle bodies of different lengths.
[0028] Working principle: When the device is in use, the motor 15 drives the threaded rod 4 to rotate, thereby driving the sliding frame 2 to slide inside the inner wall of the bottom frame 1 by means of the threaded rod 4. Then, the rotating plate one 21 and the rotating plate two 22 are driven to rotate by the sliding frame 2, so as to assist in adjusting the rotation angle of the top plate 19. The air pump 16 sends air into the airbag 20 through the connecting pipe 17. After that, the air pump 16 and the solenoid valve pipe 18 are closed. Furthermore, the airbag 20 is used to assist in supporting the vehicle and provide auxiliary protection for the vehicle body to avoid damage to the bottom of the vehicle body caused by stress support. The position of the sleeve rod 25 is adjusted inside the inner wall of the sleeve 6. Then, the adjusting rod 13 drives the sliding plate 14 to pass through the inner walls of the first chute 8 and the second chute 9 until the outer edge of the sliding plate 14 moves into the inner wall of the auxiliary cylinder 10. Then, the adjusting rod 13 is rotated. Furthermore, the outer edge of the adjusting rod 13 is used to assist in limiting the bottom of the sleeve 6, and the spring 12 is used to push the round plate 11 upward. Then, the round plate 11 is used to assist in stably limiting the sliding plate 14, so as to facilitate the position adjustment of the two bottom frames 1 and assist in limiting the bottom frame 1.
[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A lifting device for automobile maintenance, comprising a bottom frame (1), characterized in that: The inner wall of the bottom frame (1) is slidably connected to a sliding frame (2), the inner wall of the bottom frame (1) is fixedly equipped with a fixed frame (3), the inner wall of the bottom frame (1) is rotatably connected to a threaded rod (4), and the outer edge of the threaded rod (4) is slidably sleeved with the inner wall of the sliding frame (2), the side of the threaded rod (4) is fixedly equipped with a rotating rod (5), and the outer edge of the rotating rod (5) is rotatably sleeved with the inner wall of the fixed frame (3), the side of the rotating rod (5) is fixedly equipped with a sleeve (6), the inner wall of the sleeve (6) is slidably sleeved with a sleeve rod (25), the top of the fixed frame (3) is fixedly equipped with an air pump (16), the top of the sleeve (6) is provided with a first slide groove (8), the top of the sleeve rod (25) is provided with a second slide groove (9), and the bottom of the bottom frame (1) is rotatably connected to a roller (7).
2. A lifting device for automobile maintenance according to claim 1, characterized in that: The bottom of the sleeve (6) is fixedly equipped with an auxiliary cylinder (10), the bottom of the inner wall of the auxiliary cylinder (10) is fixedly connected to a spring (12), the top of the spring (12) is fixedly connected to a circular plate (11), and the outer edge of the circular plate (11) is slidably sleeved with the inner wall of the auxiliary cylinder (10).
3. A lifting device for automobile maintenance according to claim 1, characterized in that: The inner wall of the slide groove (8) is slidably sleeved with a slide plate (14), and the top of the slide plate (14) is fixedly equipped with an adjustment rod (13), and the shape and size of the outer edge of the slide plate (14) are compatible with the inner wall of the slide groove (8) and the inner wall of the slide groove (9).
4. A lifting device for automobile maintenance according to claim 2, characterized in that: The diameter of the inner wall of the auxiliary tube (10) is a, the diameter of the inner wall of the slide groove (8) is b, and b<a.
5. The lifting device for automobile maintenance according to claim 1, characterized in that: A motor (15) is fixedly mounted on the side of the bottom frame (1), and the output shaft of the motor (15) is fixedly sleeved with the inner wall of the threaded rod (4); a connecting pipe (17) is fixedly sleeved with the air outlet of the air pump (16); a solenoid valve pipe (18) is fixedly mounted on the top of the connecting pipe (17); a top plate (19) is fixedly sleeved on the top of the solenoid valve pipe (18); an air bag (20) is fixedly mounted on the top of the top plate (19); and an inner cavity of the air bag (20) passes through the inner wall of the top plate (19) and the inner wall of the connecting pipe (17) and is connected to the air outlet of the air pump (16).
6. The lifting device for automobile maintenance according to claim 1, characterized in that: The inner wall of the top of the sliding frame (2) is rotatably connected to a rotating plate 1 (21), and the top of the rotating plate 1 (21) is rotatably connected to the side of the top plate (19). The inner wall of the top of the fixed frame (3) is rotatably connected to a rotating plate 2 (22), and the inner wall of the rotating plate 2 (22) and the inner wall of the rotating plate 1 (21) are both rotatably sleeved with a round rod (23), and the connection structure of the top of the rotating plate 2 (22) is completely consistent with the connection mechanism of the top of the rotating plate 1 (21).
7. The lifting device for automobile maintenance according to claim 1, characterized in that: The inner wall of the bottom frame (1) is slidably sleeved with an auxiliary plate (24), the number of the bottom frames (1) is two, and the inner walls of the two bottom frames (1) are both slidably connected to the side of the auxiliary plate (24), the connection structure at the top of the two bottom frames (1) is completely consistent, and the side of the threaded rod (4) on the inner wall of the bottom frame (1) away from the end of the motor (15) is fixedly assembled with the side of the sleeve rod (25).