Device for testing overturning durability of automobile spare tire cover plate
By introducing a positioning and rotation mechanism into the automobile spare tire cover rollover test device and using a servo motor to drive the threaded rod and worm gear structure, the problem of unstable positioning of the cover during the rollover test was solved, achieving more stable test results and higher practicality.
Patent Information
- Application Number
- CN202422905471.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-27
AI Technical Summary
In the prior art, the spare tire cover of a car is not easy to position during a rollover test, resulting in unstable testing and easy sliding, which affects the test results.
The combination design of positioning mechanism and rotating mechanism is adopted, and the servo motor is used to drive the threaded rod and worm gear structure to achieve stable positioning and flipping of the cover. The coordination of the mounting frame, pressure plate, threaded sleeve, limit groove and guide groove ensures the stability of the cover during the flipping process.
The stability and accuracy of the cover flip test are improved, the reliability of the test results is ensured, and the practicability of the device is enhanced.
Smart Images

Figure CN223389427U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts processing, in particular to a device for testing the flip durability of an automobile spare tire cover. Background Art
[0002] The spare tire cover is installed inside the trunk, covering the spare tire and providing both decoration and coverage. Typically, the spare tire cover is connected to other structures via plastic hinges, buckles, and other components to enable it to be flipped and raised. During production, spare tire covers must undergo flip durability testing.
[0003] For example, application number CN212674424U discloses "a kind of automobile spare tire cover flip durability test" and specifically discloses: a base plate for placing and fixing the spare tire cover; a support arm, which is arranged on the base plate and is located on one side of the spare tire cover; a rotating arm, which is driven by a motor on the support arm and rotates in a vertical plane of the spare tire cover; a cantilever, which is fixed on the rotating arm, swings above the spare tire cover, and is parallel to the rotating axis of the spare tire cover, and the flipping part of the spare tire cover is linked to the cantilever; however, in the above technology, when performing a flip test on the automobile spare tire cover, it is inconvenient to position the automobile spare tire cover, which makes the automobile spare tire cover not stable enough during the flip test and is easy to slide, affecting the test results, thereby reducing the stability of the device when in use. Therefore, the utility model proposes a device for a automobile spare tire cover flip durability test to solve the above problems. Utility Model Content
[0004] In response to the above problems, the present utility model proposes a device for testing the flip durability of automobile spare tire cover, which solves the problem in the prior art that it is inconvenient to position the automobile spare tire cover, resulting in the automobile spare tire cover being unstable and prone to sliding during the flip test, affecting the test results, thereby reducing the stability of the device during use.
[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a device for testing the rollover durability of a spare tire cover of an automobile, comprising a bottom plate, a cover body being mounted on the top of the bottom plate, a mounting post being mounted on one side of the top of the bottom plate, a connecting rod being mounted above one side of the mounting post, a mounting cavity being mounted on one side of the connecting rod, a rotating mechanism being disposed inside the mounting cavity, a winding roller being mounted on one side of the mounting cavity, a connecting rope being disposed on the outer side wall of the winding roller, one end of the connecting rope being connected to one end of the cover body, and a positioning mechanism being disposed at the rear end of the top of the bottom plate;
[0006] The positioning mechanism includes a mounting frame, a pressure plate, a fixed cavity and a transmission structure. The mounting frame is installed on both sides of the rear end of the top of the base plate. The top of the mounting frame is installed with a fixed cavity. The interior of the fixed cavity is provided with a transmission structure. The pressure plate is installed on the inner side of the mounting frame.
[0007] Further improvements are: the transmission structure includes a first servo motor, a threaded rod, a threaded sleeve, a movable cavity and a limiting structure, the first servo motor is installed at the top of the fixed cavity, a threaded rod is installed inside the fixed cavity, the output end of the first servo motor is connected to one end of the threaded rod, the outer wall of the threaded rod is provided with a threaded sleeve, the outer wall of the threaded sleeve is fixedly installed with a movable cavity, the bottom end of the movable cavity extends to the inner side of the mounting frame, and the bottom end of the movable cavity is connected to the top of the pressure plate.
[0008] A further improvement is that the limiting structure includes a limiting groove and a limiting block, the limiting groove is opened on both sides of the fixed cavity, the limiting block is arranged inside the limiting groove, and one end of the limiting block is connected to the outer side of the movable cavity.
[0009] A further improvement is that the cross section of the limiting groove is larger than the cross section of the limiting block, and a sliding structure is formed between the limiting groove and the limiting block.
[0010] Further improvements are: the rotating mechanism includes a second servo motor, a worm, a worm wheel and a guide structure, the second servo motor is installed at one end of the mounting cavity, the worm is installed inside the mounting cavity, the output end of the second servo motor is connected to one end of the worm, a worm wheel is engaged below the worm, and one end of the worm wheel is connected to one side of the winding roller.
[0011] A further improvement is that the guide structure includes a guide groove and a guide block, the guide groove is opened inside the installation cavity, a guide block is provided inside the guide groove, and one end of the guide block is connected to one side of the winding roller.
[0012] The beneficial effects of the present invention are as follows: by arranging a positioning mechanism above the base plate, and utilizing the mutual cooperation among the mounting frame, pressure plate, fixed cavity, first servo motor, threaded rod, threaded sleeve, movable cavity, limit groove and limit block of the positioning mechanism, the cover body can be positioned when performing a flip durability test, so that the cover body is more stable and not easy to slide during the flip test, so the test result of the cover body is more accurate, thereby improving the stability of the device during use; by arranging a rotating mechanism inside the mounting cavity, and utilizing the mutual cooperation among the second servo motor, worm, worm wheel, guide groove and guide block of the rotating mechanism, the winding roller can be driven to rotate, and then the connecting rope can be driven to be reeled, and the cover body can be subjected to a flip test, thereby greatly improving the practicality of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the overall structure of the rotating mechanism of the present utility model;
[0015] Figure 3 It is a schematic diagram of the overall structure of the positioning mechanism of the present utility model.
[0016] Among them: 1. Base plate; 2. Cover body; 3. Mounting column; 4. Connecting rod; 5. Mounting cavity; 6. Winding roller; 7. Connecting rope; 8. Mounting frame; 9. Pressing plate; 10. Fixed cavity; 11. First servo motor; 12. Threaded rod; 13. Threaded sleeve; 14. Movable cavity; 15. Limiting groove; 16. Limiting block; 17. Second servo motor; 18. Worm; 19. Worm wheel; 20. Guide groove; 21. Guide block. DETAILED DESCRIPTION
[0017] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments. The embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.
[0018] according to Figure 1 、 2 As shown in Figure 3, this embodiment proposes a flip durability test device for a spare tire cover of an automobile, comprising a base plate 1, a cover body 2 is installed on the top of the base plate 1, a mounting column 3 is installed on one side of the top of the base plate 1, a connecting rod 4 is installed above one side of the mounting column 3, a mounting cavity 5 is installed on one side of the connecting rod 4, a rotating mechanism is provided inside the mounting cavity 5, a winding roller 6 is installed on one side of the mounting cavity 5, a connecting rope 7 is provided on the outer side wall of the winding roller 6, one end of the connecting rope 7 is connected to one end of the cover body 2, and a positioning mechanism is provided at the rear end of the top of the base plate 1.
[0019] The positioning mechanism includes a mounting frame 8, a pressure plate 9, a fixed cavity 10 and a transmission structure. The mounting frame 8 is installed on both sides of the top rear end of the base plate 1. The top of the mounting frame 8 is provided with a fixed cavity 10. The interior of the fixed cavity 10 is provided with a transmission structure. The inner side of the mounting frame 8 is provided with a pressure plate 9. The transmission structure includes a first servo motor 11, a threaded rod 12, a threaded sleeve 13, a movable cavity 14 and a limiting structure. The first servo motor 11 is installed at the top of the fixed cavity 10. The interior of the fixed cavity 10 is provided with a threaded rod 12. The output end of the first servo motor 11 is connected to one end of the threaded rod 12. The outer side wall of the threaded rod 12 is provided with a threaded sleeve 13. The threaded sleeve 13 The outer wall is fixedly installed with an active cavity 14, the bottom end of the active cavity 14 extends to the inner side of the mounting frame 8, and the bottom end of the active cavity 14 is connected to the top of the pressure plate 9. When in use, the cover body 2 is placed on the top of the base plate 1, and then the first servo motor 11 is started to drive the threaded rod 12 to rotate, thereby driving the threaded sleeve 13 to move, and then under the limit of the limit groove 15 and the limit block 16, the threaded sleeve 13 is used to drive the active cavity 14 to move, and then drive the pressure plate 9 to move, and the pressure plate 9 is used to press and position the cover body 2, so that the cover body 2 is not easy to slide during testing, so that the test result of the cover body 2 is more accurate, thereby improving the stability of the device during use.
[0020] The limiting structure includes a limiting groove 15 and a limiting block 16. The limiting groove 15 is opened on both sides of the fixed cavity 10. The limiting block 16 is arranged inside the limiting groove 15. One end of the limiting block 16 is connected to the outer side of the movable cavity 14. The cross section of the limiting groove 15 is larger than the cross section of the limiting block 16. A sliding structure is formed between the limiting groove 15 and the limiting block 16. When in use, the limiting groove 15 and the limiting block 16 cooperate with each other to limit the movable cavity 14 when moving, so that the movable cavity 14 is more stable when moving.
[0021] The rotating mechanism includes a second servo motor 17, a worm 18, a worm gear 19 and a guide structure. The second servo motor 17 is installed at one end of the installation cavity 5, and the worm 18 is installed inside the installation cavity 5. The output end of the second servo motor 17 is connected to one end of the worm 18, and a worm gear 19 is engaged below the worm 18. One end of the worm gear 19 is connected to one side of the winding roller 6. When in use, the second servo motor 17 is started to drive the worm 18 to rotate, thereby driving the worm gear 19 to rotate, and then under the limit of the guide groove 20 and the guide block 21, the worm gear 19 is used to drive the winding roller 6 to rotate, reeling the connecting rope 7 and driving the cover body 2 to flip over, which can drive the winding roller 6 to rotate, thereby driving the connecting rope 7 to reel, and performing a flip test on the cover body 2, thereby greatly improving the practicality of the device when in use.
[0022] The guide structure includes a guide groove 20 and a guide block 21. The guide groove 20 is opened inside the installation cavity 5. The guide block 21 is provided inside the guide groove 20. One end of the guide block 21 is connected to one side of the winding roller 6. When in use, the winding roller 6 can be guided during rotation by utilizing the mutual cooperation between the guide groove 20 and the guide block 21, so that the winding roller 6 is more stable during rotation.
[0023] Working principle: The staff first places the cover body 2 on the top of the base plate 1, and then starts the first servo motor 11 to drive the threaded rod 12 to rotate, thereby driving the threaded sleeve 13 to move, and then under the limit of the limit groove 15 and the limit block 16, the threaded sleeve 13 drives the movable cavity 14 to move, and then drives the pressure plate 9 to move, and uses the pressure plate 9 to press and position the cover body 2 so that the cover body 2 is not easy to slide during the test, and then connects one end of the connecting rope 7 to one end of the cover body 2. At this time, start the second servo motor 17 to drive the worm 18 to rotate, thereby driving the worm gear 19 to rotate, and then under the limit of the guide groove 20 and the guide block 21, use the worm gear 19 to drive the winding roller 6 to rotate, rewind the connecting rope 7, and drive the cover body 2 to flip over. After flipping into place, start the second servo motor 17 to reverse it, drive the cover body 2 to return to its original position, repeat the above steps, test the cover body 2, and record the number of times the cover body 2 flips through the counting sensor above the base plate 1.
[0024] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A device for testing the durability of a spare tire cover of an automobile, comprising a bottom plate (1), characterized in that: The top of the base plate (1) is provided with a cover plate body (2), a side of the top of the base plate (1) is provided with a mounting column (3), a connecting rod (4) is provided above one side of the mounting column (3), a side of the connecting rod (4) is provided with a mounting cavity (5), a rotating mechanism is provided inside the mounting cavity (5), a side of the mounting cavity (5) is provided with a winding roller (6), an outer side wall of the winding roller (6) is provided with a connecting rope (7), one end of the connecting rope (7) is connected to one end of the cover plate body (2), and a positioning mechanism is provided at the rear end of the top of the base plate (1); The positioning mechanism comprises a mounting frame (8), a pressure plate (9), a fixed cavity (10) and a transmission structure. The mounting frame (8) is mounted on both sides of the rear end of the top of the base plate (1). The top of the mounting frame (8) is provided with a fixed cavity (10). The interior of the fixed cavity (10) is provided with a transmission structure. The pressure plate (9) is mounted on the inner side of the mounting frame (8).
2. The device for testing the durability of a spare tire cover according to claim 1, characterized in that: The transmission structure comprises a first servo motor (11), a threaded rod (12), a threaded sleeve (13), a movable cavity (14) and a limiting structure, wherein the first servo motor (11) is installed at the top of the fixed cavity (10), the threaded rod (12) is installed inside the fixed cavity (10), the output end of the first servo motor (11) is connected to one end of the threaded rod (12), the outer wall of the threaded rod (12) is provided with a threaded sleeve (13), the outer wall of the threaded sleeve (13) is fixedly installed with the movable cavity (14), the bottom end of the movable cavity (14) extends to the inner side of the mounting frame (8), and the bottom end of the movable cavity (14) is connected to the top of the pressure plate (9).
3. The device for testing the durability of a spare tire cover according to claim 2, characterized in that: The limiting structure comprises a limiting groove (15) and a limiting block (16); the limiting groove (15) is opened on both sides of the interior of the fixed cavity (10); a limiting block (16) is arranged inside the limiting groove (15); and one end of the limiting block (16) is connected to the outer side of the movable cavity (14).
4. The device for testing the durability of a spare tire cover according to claim 3, characterized in that: The cross section of the limiting groove (15) is larger than the cross section of the limiting block (16), and a sliding structure is formed between the limiting groove (15) and the limiting block (16).
5. The device for testing the durability of a spare tire cover according to claim 1, characterized in that: The rotating mechanism includes a second servo motor (17), a worm (18), a worm wheel (19) and a guide structure, wherein the second servo motor (17) is installed at one end of the installation cavity (5), and the worm (18) is installed inside the installation cavity (5). The output end of the second servo motor (17) is connected to one end of the worm (18), and a worm wheel (19) is engaged below the worm (18), and one end of the worm wheel (19) is connected to one side of the winding roller (6).
6. The device for testing the durability of a spare tire cover according to claim 5, characterized in that: The guide structure comprises a guide groove (20) and a guide block (21); the guide groove (20) is opened inside the installation cavity (5); a guide block (21) is provided inside the guide groove (20); one end of the guide block (21) is connected to one side of the winding roller (6).
Citation Information
Patent Citations
Automobile spare tire cover plate overturning durability testing device
CN212674424U