Automobile seat backrest fatigue detection equipment

Abstract

The utility model relates to the technical field of automobile seat backrests, and discloses an automobile seat backrest fatigue detection device, one side of a connecting plate far away from a fixed plate is fixedly connected with a fixed block, the middle parts of the connecting plate and the fixed block are slidably connected with moving columns, one side of each moving column is fixedly connected with a push block, and the push block is fixedly connected with a push rod. And a connecting disc is fixedly connected to the other side of the moving column, a spring is fixedly connected to the inner side of the connecting disc, and the side, away from the connecting disc, of the spring is fixedly connected to the connecting plate. According to the device, the first driving motor is arranged, so that the first transmission shaft rotates to drive the cam to rotate, the cam rotates to push the connecting disc in a reciprocating mode, the connecting disc pushes the moving column, and the connecting disc extrudes the spring; and the movable column drives the pushing block to push the backrest of the seat along the fixed block and the connecting plate so as to simulate fatigue detection, so that the fatigue detection of the seat is more convenient, and the fatigue of the seat can be effectively determined.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seat backrests, in particular to an automobile seat backrest fatigue detection device. Background Art

[0002] With the rapid development of the automobile industry and consumers' increasing attention to automobile ride comfort and safety, the performance testing of automobile seats, as an important component that directly affects the driving experience and safety, has become particularly important. Among the multiple components of automobile seats, the fatigue durability of the backrest is directly related to the overall service life and safety of the seat.

[0003] The existing technology has the following deficiencies: it is not convenient to detect fatigue of the car seat back during production, so it is not convenient to judge the fatigue of the car seat back; traditional car seat back fatigue detection equipment is not convenient to clamp and adjust the car seat back, making the car seat back fatigue detection very unstable. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a vehicle seat back fatigue detection device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a car seat back fatigue detection device, comprising a base plate, a support plate is fixedly connected to the base plate, a side of the support plate away from the base plate is fixedly connected to a fixing plate, one side of the fixing plate is fixedly connected to an extension plate, a driving motor 1 is fixedly connected to the extension plate, an output end of the driving motor 1 is fixedly connected to a transmission shaft 1, a middle part of the transmission shaft 1 is fixedly connected to a cam, the transmission shaft 1 passes through and is rotatably connected to the fixing plate, one side of the fixing plate is fixedly connected to a connecting plate, a side of the connecting plate away from the fixing plate is fixedly connected to a fixing block, a moving column is slidably connected to the middle parts of the connecting plate and the fixed block, one side of the moving column is fixedly connected to a pushing block, the other side of the moving column is fixedly connected to a connecting disk, a spring is fixedly connected to the inner side of the connecting disk, and a side of the spring away from the connecting disk is fixedly connected to the connecting plate.

[0006] As a further description of the above technical solution:

[0007] The supporting plates and the fixing plates are each provided with two groups and are symmetrically arranged, and the movable column passes through the middle of the fixing block and the connecting plate.

[0008] As a further description of the above technical solution:

[0009] The bottom plate is provided with a slide groove 1, in which a sliding block 1 is slidably connected, and one side of the sliding block 1 arranged in the slide groove 1 is threadedly connected with a threaded column.

[0010] As a further description of the above technical solution:

[0011] The threaded column penetrates through and is rotatably connected in the bottom plate, the threaded column is arranged in a first slide groove, and one side of the threaded column is fixedly connected with a rocker.

[0012] As a further description of the above technical solution:

[0013] The sliding block is fixedly connected with a connecting block, and the connecting block is fittedly connected with a seat.

[0014] As a further description of the above technical solution:

[0015] A slide groove 2 is provided in the connecting block, and a sliding block 2 is slidably connected in the slide groove 2, a screw rod is threadedly connected to one side of the sliding block 2, and a clamping plate is fixedly connected to the other side of the sliding block 2, a driving motor 2 is fixedly connected to one side of the connecting block, a transmission shaft 2 is fixedly connected to the output end of the driving motor 2, a bevel gear 1 is fixedly connected to the side of the transmission shaft 2 away from the driving motor 2, the bevel gear 1 is meshedly connected to the bevel gear 2, and a connecting column is fixedly connected to the middle part of the bevel gear 2.

[0016] As a further description of the above technical solution:

[0017] One side of the screw rod is fixedly connected to the connecting column, and the other side of the screw rod passes through and is rotatably connected to the connecting block. The second sliding block and the clamping plate are each provided with two groups and are symmetrically arranged, and the second transmission shaft passes through and is rotatably connected to the connecting block.

[0018] As a further description of the above technical solution:

[0019] The bevel gear 1, bevel gear 2, connecting column and screw rod are all arranged in the second slide groove.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, a driving motor is provided to rotate a transmission shaft and drive a cam, the cam rotates and pushes the connecting plate back and forth, the connecting plate pushes the moving column, the connecting plate squeezes the spring, the moving column drives the pushing block along the fixed block and the connecting plate to push the seat backrest and simulate fatigue detection, so that the seat is more convenient for fatigue detection and can effectively determine the fatigue of the seat.

[0022] 2. In the utility model, by driving motor 2, two groups of screw rods are rotated, and then two groups of sliding blocks 2 are moved inward along slide groove 2 and screw rods through the limit of connecting block. Both groups of sliding blocks 2 move inward with clamping plates to clamp the seat, so that the car seat back fatigue detection equipment is more convenient to position the seat, which can effectively improve the stability of the seat during fatigue detection.

[0023] 3. In the utility model, by rotating the rocker, the sliding block 1 moves with the connecting block, the connecting block moves with the two sets of sliding blocks 2 and the clamping plate, and the two sets of clamping plates move with the seat, so that the car seat back fatigue detection equipment is easier to adjust and can effectively improve the convenience of seat fatigue detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional structural schematic diagram of a vehicle seat back fatigue detection device proposed by the utility model;

[0025] Figure 2 This is a schematic cross-sectional structure diagram of a vehicle seat back fatigue detection device proposed by the utility model;

[0026] Figure 3 This is a partial structural schematic diagram of a vehicle seat back fatigue detection device proposed by the utility model;

[0027] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0028] Legend:

[0029] 1. Base plate; 2. Support plate; 3. Fixed plate; 4. Extension plate; 5. Drive motor 1; 6. Transmission shaft 1; 7. Cam; 8. Connecting plate; 9. Fixed block; 10. Moving column; 11. Spring; 12. Connecting plate; 13. Pushing block; 14. Slide slot 1; 15. Sliding block 1; 16. Threaded column; 17. Rocker; 18. Connecting block; 19. Seat; 20. Slide slot 2; 21. Sliding block 2; 22. Clamping plate; 23. Drive motor 2; 24. Transmission shaft 2; 25. Bevel gear 1; 26. Bevel gear 2; 27. Connecting column; 28. Screw. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1-Figure 4 , an embodiment of the utility model: a vehicle seat back fatigue detection device, comprising a base plate 1, a support plate 2 is fixedly connected to the base plate 1, a fixed plate 3 is fixedly connected to the side of the support plate 2 away from the base plate 1, an extension plate 4 is fixedly connected to the side of the fixed plate 3, a drive motor 5 is fixedly connected to the extension plate 4, an output end of the drive motor 5 is fixedly connected to a transmission shaft 6, a cam 7 is fixedly connected to the middle of the transmission shaft 6, the transmission shaft 6 penetrates and is rotatably connected to the fixed plate 3, a connecting plate 8 is fixedly connected to one side of the fixing plate 3, a fixing block 9 is fixedly connected to the side of the connecting plate 8 away from the fixing plate 3, a moving column 10 is slidably connected to the middle of the connecting plate 8 and the fixing block 9, a pushing block 13 is fixedly connected to one side of the moving column 10, a connecting disk 12 is fixedly connected to the other side of the moving column 10, a spring 11 is fixedly connected to the inner side of the connecting disk 12, and a side of the spring 11 away from the connecting disk 12 is fixedly connected to the connecting plate 8, the support plate 2, The fixed plates 3 are each provided with two groups and are symmetrically arranged. The moving column 10 passes through the middle of the fixed block 9 and the connecting plate 8. A slide groove 14 is provided on the bottom plate 1. A sliding block 15 is slidably connected in the slide groove 14. The sliding block 15 is arranged in the slide groove 14 and is threadedly connected to a threaded column 16 on one side thereof. The threaded column 16 passes through and is rotatably connected to the bottom plate 1. The threaded column 16 is arranged in the slide groove 14. A rocker 17 is fixedly connected to one side of the threaded column 16. A driving motor 5 is arranged. The output end of the driving motor 5 rotates with the transmission shaft 6. The rotation of the transmission shaft 6 rotates with the cam 7. The rotation of the cam 7 reciprocates and pushes the connecting plate 12. The connecting plate 12 pushes the moving column 10. The connecting plate 12 squeezes the spring 11. The moving column 10 pushes the push block 13 along the fixed block 9 and the connecting plate 8 to push the backrest of the seat 19 to simulate fatigue detection, so that the seat 19 is more convenient for fatigue detection and can effectively determine the fatigue of the seat 19.

[0032] A connecting block 18 is fixedly connected to the sliding block 15, and a seat 19 is fittedly connected to the connecting block 18. A slide groove 20 is provided in the connecting block 18, and a sliding block 21 is slidably connected in the slide groove 20. A screw rod 28 is threadedly connected to one side of the sliding block 21, and a clamping plate 22 is fixedly connected to the other side of the sliding block 21. A driving motor 23 is fixedly connected to one side of the connecting block 18, and a transmission shaft 24 is fixedly connected to the output end of the driving motor 23. A bevel gear 1 25 is fixedly connected to the side of the transmission shaft 24 away from the driving motor 23. The bevel gear 1 25 is meshedly connected to the bevel gear 26, and a connecting column 27 is fixedly connected to the middle part of the bevel gear 26. One side of the screw rod 28 is fixedly connected to the connecting column 27, and the other side of the screw rod 28 penetrates and is rotatably connected to the connecting block 18. The sliding block 21 and the clamping plate 22 are both provided with two groups and are symmetrically arranged The transmission shaft 24 passes through and is rotatably connected to the connecting block 18. The bevel gear 1 25, the bevel gear 26, the connecting column 27, and the screw rod 28 are all arranged in the slide groove 20. A driving motor 23 is arranged. The output end of the driving motor 23 drives the transmission shaft 24 to rotate. The transmission shaft 24 drives the bevel gear 1 25 to rotate. The bevel gear 1 25 drives the bevel gear 26 to rotate. The bevel gear 26 drives the connecting column 27 to rotate. The connecting column 27 drives the two sets of screw rods 28 to rotate. The two sets of screw rods 28 rotate to make the two sets of sliding blocks 21 move inward along the slide groove 20 and the screw rod 28 through the limit of the connecting block 18. The two sets of sliding blocks 21 both move inward with the clamping plate 22 to clamp the seat 19, so that the automobile seat 19 backrest fatigue detection equipment is more convenient to position the seat 19, which can effectively improve the stability of the seat 19 during fatigue detection.

[0033] Working principle: first, place the seat 19 in the middle of the connecting block 18, set the driving motor 23, the output end of the driving motor 23 drives the transmission shaft 24 to rotate, the transmission shaft 24 drives the bevel gear 1 25 to rotate, the bevel gear 1 25 drives the bevel gear 26 to rotate, the bevel gear 26 drives the connecting column 27 to rotate, the connecting column 27 drives the two sets of screw rods 28 to rotate, the two sets of screw rods 28 rotate to make the two sets of sliding blocks 21 move inward along the slide groove 20 and the screw rod 28 through the limit of the connecting block 18, the two sets of sliding blocks 21 move inward with the clamping plate 22 to clamp the seat 19, so that the automobile seat 19 backrest fatigue detection equipment is more convenient to position the seat 19, which can effectively improve the stability of the seat 19 during fatigue detection, turn the rocker 17, the rotation of the rocker 17 drives the threaded column 16 to rotate, the rotation of the threaded column 16 makes the sliding block 15 pass through the bottom The limit of plate 1 moves along slide groove 14 and threaded column 16, sliding block 15 moves with connecting block 18, connecting block 18 moves with two groups of sliding blocks 21 and clamping plate 22, and two groups of clamping plates 22 move with seat 19, so that the fatigue detection equipment of automobile seat 19 backrest is easier to adjust, which can effectively improve the convenience of fatigue detection of seat 19, and set driving motor 15, the output end of driving motor 15 rotates with transmission shaft 16, the rotation of transmission shaft 6 rotates with cam 7, the rotation of cam 7 pushes connecting disk 12 back and forth, connecting disk 12 pushes moving column 10, connecting disk 12 squeezes spring 11, moving column 10 pushes the pushing block 13 along fixed block 9 and connecting plate 8 to push the backrest of seat 19, so as to simulate fatigue detection, so that seat 19 is easier to detect fatigue degree, and the fatigue degree of seat 19 can be effectively determined.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle seat back fatigue detection device, comprising a base plate (1), characterized in that: The bottom plate (1) is fixedly connected to a support plate (2), a side of the support plate (2) away from the bottom plate (1) is fixedly connected to a fixed plate (3), one side of the fixed plate (3) is fixedly connected to an extension plate (4), a drive motor (5) is fixedly connected to the extension plate (4), an output end of the drive motor (5) is fixedly connected to a transmission shaft (6), a middle part of the transmission shaft (6) is fixedly connected to a cam (7), the transmission shaft (6) passes through and is rotatably connected to the fixed plate (3), one side of the fixed plate (3) A connecting plate (8) is fixedly connected, and a fixed block (9) is fixedly connected to the side of the connecting plate (8) away from the fixed plate (3). A moving column (10) is slidably connected to the middle of the connecting plate (8) and the fixed block (9). A pushing block (13) is fixedly connected to one side of the moving column (10), and a connecting disk (12) is fixedly connected to the other side of the moving column (10). A spring (11) is fixedly connected to the inner side of the connecting disk (12), and the side of the spring (11) away from the connecting disk (12) is fixedly connected to the connecting plate (8).

2. The vehicle seat back fatigue detection device according to claim 1, characterized in that: The support plate (2) and the fixed plate (3) are each provided with two groups and are symmetrically arranged, and the movable column (10) passes through the middle of the fixed block (9) and the connecting plate (8).

3. The vehicle seat back fatigue detection device according to claim 1, characterized in that: The bottom plate (1) is provided with a slide groove (14), a slide block (15) is slidably connected in the slide groove (14), and one side of the slide block (15) arranged in the slide groove (14) is threadedly connected with a threaded column (16).

4. The vehicle seat back fatigue detection device according to claim 3, characterized in that: The threaded column (16) penetrates through and is rotatably connected to the bottom plate (1); the threaded column (16) is arranged in the first slide groove (14); and a rocker (17) is fixedly connected to one side of the threaded column (16).

5. The vehicle seat back fatigue detection device according to claim 3, characterized in that: The sliding block (15) is fixedly connected to a connecting block (18), and the connecting block (18) is fittedly connected to a seat (19).

6. The vehicle seat back fatigue detection device according to claim 5, characterized in that: The connecting block (18) is provided with a second slide groove (20), and a second slide block (21) is slidably connected in the second slide groove (20), a screw rod (28) is threadedly connected to one side of the second slide block (21), and a clamping plate (22) is fixedly connected to the other side of the second slide block (21), a second drive motor (23) is fixedly connected to one side of the connecting block (18), a second transmission shaft (24) is fixedly connected to the output end of the second drive motor (23), a first bevel gear (25) is fixedly connected to the side of the second transmission shaft (24) away from the second drive motor (23), the first bevel gear (25) is meshedly connected to the second bevel gear (26), and a connecting column (27) is fixedly connected to the middle of the second bevel gear (26).

7. The vehicle seat back fatigue detection device according to claim 6, characterized in that: One side of the screw rod (28) is fixedly connected to the connecting column (27), and the other side of the screw rod (28) passes through and is rotatably connected to the connecting block (18). The second sliding block (21) and the clamping plate (22) are both provided with two groups and are symmetrically arranged. The second transmission shaft (24) passes through and is rotatably connected to the connecting block (18).

8. The vehicle seat back fatigue detection device according to claim 7, characterized in that: The bevel gear 1 (25), bevel gear 2 (26), connecting column (27) and screw rod (28) are all arranged in the slide groove 2 (20).

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