JPS60140137A - Apparatus for testing getting-on-and-off durability of seat - Google Patents

Abstract

PURPOSE:To three-dimensionally reproduce such a state that a crew separates from a seat, by sliding a testing seat to right and left while performing the up- and-down movement and revolution of a buttocks model. CONSTITUTION:A seat 17 to be tested is placed on a seat placement stand 16 which is, in turn, slid to right and left on a surface plate 15 by the operation of an air cylinder 14 for a slider. A buttocks model 9 is arranged on the seat placement stand 16 and connected to a shaft 5 which is, in turn, moved up and down by the operation of an air cylinder 1 for up-and-down movement through the pressure contact of an engaging piece 1B and a shaft support plate 3. Further, a spline 5A inlaid with a lever 8 is provided to the upper part of the shaft 5. Therefore, the shaft 5 is revolved through the lever 8 by the operation of an air cylinder 11 gor revolution. When these three cylinders 1, 11, 14 are operated at proper timing, a state, such that a crew separates from a seat, can be reproduced three-dimensionally and the durability of the seat can be tested with ease.

Description

DETAILED DESCRIPTION OF THE INVENTION In the present invention, a seat durability test that reproduces the situation in which a passenger gets on and off the seat of a car is carried out in a factory using a model C of a human buttock and part of the thigh, referred to as a buttock model. )
It can be done continuously using . This relates to a seat getting on/off durability test device.

In the past, various sheet durability testing devices have been invented.9
There was no test equipment available to test the durability of the seat edges as passengers get on and off the vehicle. therefore.

It was not possible to reproduce the usage conditions of the sheets in the market within the factory.

This invention was made in view of the above-mentioned problems, and its purpose is to provide a device that can reproduce the situation in which the buttocks and thighs of a passenger leave the seat when the passenger gets out of the car. .

In order to achieve these objectives, the present invention creates a model that combines the buttocks and thighs, and uses fluid pressure to move this buttock model up and down to reproduce the situation where the passenger's weight presses against the seat. A hydraulic cylinder that rotates the buttock model left and right to reproduce the situation in which the cylinder and the occupant rotate their bodies when leaving the notebook, and the seat mounting base that rotates left and right to reproduce the situation in which the buttocks and thighs leave the seat. To provide a boarding and alighting durability test device, which can reproduce in three dimensions a situation in which a single passenger goes from sorting to Iff by providing a fluid pressure cylinder to move the vehicle and controlling these fluid pressure cylinders by a control device. .

In short, the seat getting on/off durability test device of the present invention is supported by a vertical air cylinder, moves up and down by the operation of the vertical air cylinder, and is slidably fitted to the upper part by the operation of the rotating air cylinder. The buttock model is fixed to the lower end of the shaft that rotates through the hinges,
Slide left and right by the operation of the sliding air cylinder.
-S and place the /-t mounting table on which the test sheet is placed under the buttock model.

The control means controls the vertical movement and rotation of the buttock model and the left and right slide of the sheet mounting table through the operation of each of the air cylinders.

The present invention will be explained below based on the drawings.

FIG. 1 and FIG. 2 are diagrams showing one embodiment of the present invention.

First, the configuration will be described. Reference numeral 1 denotes a double-acting vertical air cylinder, which is fixed vertically to the front surface of the support bracket 2. The piston rod l-”IA of the vertical air cylinder 1 is
It passes through an arcuate groove 3A formed in the shaft support plate 6, and a locking piece 1B is fixed to the tip of the 11 pistons and the upper surface of the shaft support plate 6. The support bracket 2 protrudes from the frame 4.

Reference numeral 5 denotes a shaft, which passes through upper and lower guide rods 7 provided on the front surface of the support bracket 2 and the shaft support plate 6, and is fixed to the shaft support plate B.

Shaft support plate 6, locking piece 1B and piston rod)S
It is supported by the vertical air cylinder 1 via IA. The shaft 5 moves up and down through the pressure contact between the locking piece 1B and the shaft support plate 6 by the operation of the up-and-down air cylinder 1. A spline 5A is provided on the upper part of the shaft 5, and a lever 8 is slidably engaged with the spline 5A. Axis 5
A yoke 5B is attached to the lower end of the yoke 5B.
B, the lower end of the shaft 5 is connected to the buttock model 9 via a link 9A and a pin 10 protruding from the upper surface of the buttock model 9.

11 is a double-acting rotating air cylinder, and support bracket 1
2 is fixed horizontally. Rotating air cylinder 11
The tip of the piston rod F''11At7) is connected to one end of the lever 8 by a pin 16.The support bracket 12 protrudes from the frame 4 by a distance shorter than the support bracket 2.The shaft 5 is connected to the one-turn air The cylinder 11 is rotated via the lever 8 by the operation of the cylinder 11 .

Reference numeral 14 denotes a double-acting sliding air cylinder, which is fixed horizontally to a surface plate 15. The tip of the piston rod 14A of the sliding air cylinder 14 is fixed to a seven-piece mounting base 16 that slides within two grooves 15A provided in the surface plate 15. /- The test sheet 17 is placed on the table 16.
is placed under the buttock model 9, and the sheet mounting table 16 slides left and right on the surface plate 15 by the operation of the finishing cylinder t1A for the placement point Resly P.

To each air cylinder 1, 11.14 (lSl:, 2nd
As shown in the figure, an air pipe 19 is connected from the air tank 18 via two three-bottom solenoid valves MV. A throttle valve 20 is attached to the exhaust port of the three-point solenoid valve MV, and the movement speed of the piston rod is controlled by controlling the throttle valve 2o. The throttle valve 20 may be attached to the outlet of the 3-port solenoid valve.

Reference numeral 21 denotes a control means that controls each of the three-point solenoid valves MY sequentially or simultaneously, and as shown in FIG.・
It is composed of ...X6.

The motor M of the cam timer 22 is connected to AC power supplies R and S through a test switch SW, and each timer contact of the cam timer 22 is connected to an AC power supply IT and S through the electromagnetic coil of each electromagnetic relay. Each electromagnetic relay is connected to a DC power source E through each three-point electromagnetic valve MV.

In addition, the air tank has a 18.3-point solenoid valve MV.

The throttle valve 20 and the control means 21 are attached to the frame 4.

Next, the effect will be explained.

When the test switch SW is turned on, the motor M of the cam timer 22 rotates, turning each timer contact on and off, and energizing and energizing each electromagnetic relay and three-panel electromagnetic valve MVO. The decline is repeated. First, when the piston rod F:'IA of the vertical air cylinder 1 descends, the buttock model 9 descends via the shaft 5 and comes into contact with the test sheet 17. Simultaneously with this contact, the piston rod 11A of the rotating air cylinder 11 moves to the right, and the buttock model 9 moves about 90 degrees in the opening direction via the lever 8 and shaft 5.
° Rotate. When this rotation stops, the piston rod 14A of the sliding air cylinder 14 moves to the right.

The test sheet 17 is moved to the right via the sheet mounting table 16. During this time, the piston of the vertical air cylinder 1 (S1) is descending, and the side of the buttocks model 9 falls off the side P of the test sort 17. If it slides down, the vertical air cylinder 1 and the sliding air cylinder 14
, the lowering of the buttock model 9 and the rightward sliding of the seat platform 16 are stopped.

After this stop, the piston rod of the vertical air cylinder 1
IA rises, and the buttock model 9 rises via the axis 5.

When the lower surface of the buttock model 9 is higher than the upper surface of the test sheet 17, the piston rod 11A of the one-turn air cylinder 11
moves to the left, and the buttock model 9 is rotated counterclockwise via the lever 8 and shaft 5 to return to its original position. This is the piston rod 14A of the slide air cylinder 14.
moves to the left, and the test sheet 17 moves to the left via the sheet mounting table 16 and returns to its original position. By repeating the same operation thereafter, the durability of the sheet can be easily and continuously tested.

Note that the operation return process can be easily changed by adjusting the control means 21, and its speed can be easily changed by adjusting the throttle valve 20. Further, in the above embodiment, the actuator was described as an air cylinder, but it is of course possible to change the air cylinder to a hydraulic cylinder, and it is also possible to control the cam type timer of the control device by a computer.

As described above, the present invention is supported by a vertical air cylinder, moves up and down by the operation of the vertical air cylinder, and is slidably fitted to the upper part by the operation of the rotating air cylinder. The buttock model is fixed to the lower end of the shaft that rotates through the attached levers, and the seat mounting table on which the test sheet is placed is moved from side to side by the operation of the sliding air cylinder. By controlling the left and right slides of the air cylinders by means of the control means, the durability of the seat can be easily and continuously tested.

[Brief explanation of drawings]

FIG. 1 is a perspective view of essential parts showing an embodiment of the invention, and FIG. 2 is a control system diagram showing an embodiment of the invention. DESCRIPTION OF SYMBOLS 1...Upper and lower air cylinder, 5...Axis, 8...Reno ζ-19...Buttock model, 11...Rotation air cylinder. 14... Air cylinder for slide, 15... Surface plate. 16... Sheet mounting table, 17... Test sheet Patent applicant Hino Motors Co., Ltd.

Claims (1)

[Claims] 1. The lower end of a shaft that is supported by a vertical air cylinder, moves up and down by the operation of the vertical air cylinder, and rotates via a lever slidably fitted to the upper part by the operation of the rotation air cylinder. A buttock model is fixed to the buttock model, and a sheet mounting table that slides left and right by the operation of sliding air cylinders and on which a test sheet is placed is placed under the buttock model. A seat getting on/off durability test device that controls the vertical movement and rotation of the buttock model and the left/right slide 1:' of the buttock model through motion.