Fatigue detection machine for seat backrest adjustment

Abstract

The utility model relates to a seat backrest adjustment fatigue detection machine table, which comprises a base, two vertical support columns and a lifting module, the two vertical support columns are symmetrically arranged at the rear part of the upper end surface of the base, the lifting module is arranged at the rear sides of the vertical support columns in an up-down moving manner, a servo motor is arranged in the lifting module, and the servo motor is connected with the lifting module. A speed reducer is installed at the output end of the servo motor, an output shaft is installed on a main shaft of the speed reducer, the output shaft forwards penetrates through the lifting module, a sensor support in butt joint with the lifting module is installed on the upper side of the output shaft, and a circle of sensor positioning frame is arranged on the outer ring of the sensor support; an arc-shaped positioning through hole is formed in the sensor positioning frame, a plurality of sensors are installed in the arc-shaped positioning through hole, and a swing arm is installed at the front end of the output shaft. The device has the characteristics of prolonging the service life of equipment, reducing the detection cost, improving the detection efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile backrest detection, in particular to a fatigue detection machine for seat back adjustment. Background Art

[0002] After the production of car seats is completed, the seat backrest needs to be tested for fatigue. During the test, the equipment is usually required to rotate the backrest back and forth to calculate the fatigue limit of the seat. Conventional testing equipment usually uses a cylinder structure to drive it back and forth. This driving method will increase the friction of the cylinder main shaft and easily cause damage to the docking position. In order to solve the above problems, the equipment needs to be modified. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a seat back adjustment fatigue detection machine, which has the characteristics of increasing the service life of the equipment, reducing the detection cost, and improving the detection efficiency.

[0004] The utility model solves the technical problem by adopting the following technical scheme: providing a seat back adjustment fatigue detection machine, comprising a base, a vertical support and a lifting module, wherein two vertical supports are symmetrically mounted on the rear portion of the upper end surface of the base, a lifting module is mounted on the rear side of the vertical support for up and down movement, a servo motor is mounted inside the lifting module, a reducer is mounted on the output end of the servo motor, an output shaft is mounted on the main shaft of the reducer, the output shaft passes through the lifting module forward, a sensor bracket docking with the lifting module is mounted on the upper side of the output shaft, a circle of sensor positioning frames are arranged on the outer ring of the sensor bracket, an arc-shaped positioning through hole is arranged on the sensor positioning frame, a plurality of sensors are mounted in the arc-shaped positioning through hole, and a swing arm is mounted on the front end of the output shaft.

[0005] In the technical solution, a base is provided to facilitate the installation of a car seat, a vertical pillar is installed to facilitate the installation of a lifting module, the lifting module is used to control the rotation of an output shaft, the output shaft is used to drive a swing arm, the swing arm is installed to push the seat to rotate, a sensor bracket is installed to facilitate the installation of a sensor, and a sensor is set to control the rotation angle of a backrest.

[0006] As a supplement to the present technical solution, the upper and lower ends of the vertical pillar are respectively installed with an upper platform and a lower platform, a vertical transmission screw is installed in the middle of the upper platform, an adjusting handwheel is installed at the upper end of the vertical transmission screw, the lower end of the vertical transmission screw is docked on the lower platform, a transmission seat docked with the vertical transmission screw is installed in the middle of the front side of the lifting module, and a threaded constraint is formed between the vertical transmission screw and the transmission seat.

[0007] In the technical solution, a vertical transmission screw is installed to control the lifting module to move up and down, and an adjusting hand wheel is provided to drive the vertical transmission screw to rotate.

[0008] As a supplement to the present technical solution, a slide rail structure is vertically installed on the rear side of each of the vertical pillars. The slide rail structure is provided in the present technical solution to facilitate the up and down movement of the lifting module.

[0009] As a supplement to the present technical solution, the front side of the sensor bracket is provided with angle scale marks, and the angle scale marks are provided to facilitate the user to adjust the position of the sensor.

[0010] As a supplement to the present technical solution, a guide wheel is rotatably mounted on the front end of the swing arm. By setting a knife wheel, the backrest can be driven to rotate conveniently, so that when the guide wheel drives the backrest to rotate, the surface of the seat will not be worn.

[0011] As a supplement to the present technical solution, side fixing brackets are installed between the two sides of the rear end of the base and the lower ends of the vertical pillars. The side fixing brackets are provided to improve the connection firmness between the vertical pillars and the base.

[0012] Beneficial effects: The utility model relates to a seat back adjustment fatigue detection machine, which is used to facilitate the installation of car seats by arranging a base, and to facilitate the installation of a lifting module by installing a vertical pillar. The lifting module is used to control the rotation of an output shaft, and the output shaft is used to drive a swing arm. The swing arm is installed to push the seat to rotate, and a sensor bracket is installed to facilitate the installation of a sensor. The sensor is used to control the rotation angle of the backrest. The utility model has the characteristics of increasing the service life of the equipment, reducing the detection cost, and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is a left view of the utility model;

[0015] Figure 3 This utility model Figure 1 Enlarged view of point A in the middle.

[0016] Illustration: 1. Base, 2. Vertical support, 3. Lower platform, 4. Side fixing bracket, 5. Lifting module, 6. Slide rail structure, 7. Vertical transmission screw, 8. Adjustment hand wheel, 9. Upper platform, 10. Swing arm, 11. Output shaft, 12. Guide wheel, 13. Sensor bracket, 14. Angle scale mark, 15. Sensor positioning bracket, 16. Arc-shaped positioning through hole, 17. Sensor. DETAILED DESCRIPTION

[0017] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

[0018] The embodiment of the utility model relates to a seat back adjustment fatigue detection machine, such as Figure 1 As shown in FIG. 3 , the base 1 comprises a base 1, a vertical support 2 and a lifting module 5. Two vertical supports 2 are symmetrically mounted on the rear part of the upper end surface of the base 1. The lifting module 5 is mounted on the rear side of the vertical support 2 for up and down movement. A servo motor is mounted inside the lifting module 5. A reducer is mounted on the output end of the servo motor. An output shaft 11 is mounted on the main shaft of the reducer. The output shaft 11 passes through the lifting module 5 forward. A sensor bracket 13 docking with the lifting module 5 is mounted on the upper side of the output shaft 11. A circle of sensor positioning frames 15 are arranged on the outer circle of the sensor bracket 13. An arc-shaped positioning through hole 16 is arranged on the sensor positioning frame 15. A number of sensors 17 are mounted in the arc-shaped positioning through hole 16. A swing arm 10 is mounted on the front end of the output shaft 11.

[0019] In the present technical solution, a base 1 is provided to facilitate the installation of a car seat, a vertical pillar 2 is installed to facilitate the installation of a lifting module 5, the lifting module 5 is used to control the rotation of an output shaft 11, the output shaft 11 is used to drive a swing arm 10, the swing arm 10 is installed to push the seat to rotate, a sensor bracket 13 is installed to facilitate the installation of a sensor 17, and the sensor 17 is provided to control the rotation angle of the backrest.

[0020] As a supplement to the present technical solution, the upper and lower ends of the vertical pillar 2 are respectively installed with an upper platform 9 and a lower platform 3, a vertical transmission screw 7 is installed in the middle of the upper platform 9, an adjusting handwheel 8 is installed at the upper end of the vertical transmission screw 7, the lower end of the vertical transmission screw 7 is docked on the lower platform 3, and a transmission seat docked with the vertical transmission screw 7 is installed in the middle of the front side of the lifting module 5, and a threaded constraint is formed between the vertical transmission screw 7 and the transmission seat.

[0021] In the present technical solution, a vertical transmission screw rod 7 is installed to control the lifting module 5 to move up and down, and an adjusting hand wheel 8 is provided to drive the vertical transmission screw rod 7 to rotate.

[0022] As a supplement to the present technical solution, a slide rail structure 6 is vertically installed on the rear side of each of the vertical pillars 2. In the present technical solution, the slide rail structure 6 is provided to facilitate the up and down movement of the lifting module 5.

[0023] As a supplement to the present technical solution, the front side of the sensor bracket 13 is provided with an angle scale mark 14 , and the angle scale mark 14 is provided to facilitate the user to adjust the position of the sensor 17 .

[0024] As a supplement to the present technical solution, a guide wheel 12 is rotatably mounted on the front end of the swing arm 10. By setting the knife wheel 12, it is convenient to drive the backrest to rotate, so that when the guide wheel 12 drives the backrest to rotate, the seat surface will not be worn.

[0025] As a supplement to the present technical solution, side fixing brackets 4 are installed between the two sides of the rear end of the base 1 and the lower ends of the vertical pillars 2. The side fixing brackets 4 are provided to improve the connection firmness between the vertical pillars 2 and the base 1.

[0026] Example

[0027] When the device is working, the car seat is first installed on the base 1, and the backrest of the car seat needs to be arranged near the guide wheel 12. Then, the adjusting hand wheel 8 is rotated to rotate the vertical transmission screw 7. The vertical transmission screw 7 can control the height of the lifting module 5 so that the guide wheel 12 can be close to the back of the car seat back. Then, the position of the sensor 17 is adjusted, and the rotation angle of the backrest is determined by the angle scale mark 14. After completing the preparation work, the servo motor in the lifting module 5 is started, and the servo motor drives the rotation of the output shaft 11, and the output shaft 11 drives the swing arm 10 to rotate, and then the guide wheel 12 on the swing arm 10 pushes the backrest to rotate. When the backrest rotates to correspond to the sensor 17, the servo motor is stopped, and then the seat reset key is started to reset the backrest. After resetting, the servo motor is started again. This back and forth operation mode can detect the fatigue limit value of the backrest rotation. The device is easy to operate and is controlled by the PLC control system, which can effectively improve the detection efficiency. At the same time, the device has good versatility and is suitable for car seats of different specifications.

[0028] The above is a detailed introduction to a seat back adjustment fatigue detection machine provided by the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea; at the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A seat back adjustment fatigue detection machine, characterized in that: The invention comprises a base (1), a vertical support (2) and a lifting module (5), wherein two vertical supports (2) are symmetrically mounted on the rear part of the upper end surface of the base (1), and a lifting module (5) is mounted on the rear side of the vertical support (2) so as to move up and down, a servo motor is mounted inside the lifting module (5), a reducer is mounted on the output end of the servo motor, an output shaft (11) is mounted on the main shaft of the reducer, the output shaft (11) passes through the lifting module (5) forward, a sensor bracket (13) docking with the lifting module (5) is mounted on the upper side of the output shaft (11), a circle of sensor positioning brackets (15) is arranged on the outer ring of the sensor bracket (13), an arc-shaped positioning through hole (16) is arranged on the sensor positioning bracket (15), a plurality of sensors (17) are mounted in the arc-shaped positioning through hole (16), and a swing arm (10) is mounted on the front end of the output shaft (11).

2. A seat back adjustment fatigue detection machine according to claim 1, characterized in that: The upper and lower ends of the vertical pillar (2) are respectively installed with an upper platform (9) and a lower platform (3); a vertical transmission screw (7) is installed in the middle of the upper platform (9); an adjusting hand wheel (8) is installed at the upper end of the vertical transmission screw (7); the lower end of the vertical transmission screw (7) is docked on the lower platform (3); a transmission seat docked with the vertical transmission screw (7) is installed in the middle of the front side of the lifting module (5); a threaded constraint is formed between the vertical transmission screw (7) and the transmission seat.

3. The seat back adjustment fatigue detection machine according to claim 1, characterized in that: A slide rail structure (6) is vertically installed on the rear side of each of the vertical pillars (2).

4. The seat back adjustment fatigue detection machine according to claim 1, characterized in that: The front side of the sensor bracket (13) is provided with an angle scale mark (14).

5. The seat back adjustment fatigue detection machine according to claim 1, characterized in that: A guide wheel (12) is rotatably mounted on the front end of the swing arm (10).

6. The seat back adjustment fatigue detection machine according to claim 1, characterized in that: Side fixing brackets (4) are installed between the two sides of the rear end of the base (1) and the lower ends of the vertical pillars (2).

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