Automobile safety belt toughness performance detection device

Abstract

The utility model discloses an automobile safety belt toughness performance detection device, which relates to the technical field of automobile part detection devices and comprises a workbench, auxiliary grooves are formed in the front side and the rear side of the surface of the workbench, and a guide groove is formed in the middle of the upper portion of the surface of the workbench. Supporting plates are fixedly arranged at the positions, located at the two ends of the guide groove, above the surface of the workbench, and fixing mechanisms are arranged above the opposite sides of the surfaces of the supporting plates. Compared with an existing common automobile safety belt toughness performance detection device, the automobile safety belt toughness performance detection device can conveniently and effectively fix a safety belt, the safety belt is tensioned and stretched along with toughness detection, the safety belt can rotate towards one side of the middle through the clamping teeth, and the safety belt cannot rotate due to limiting of the rear end of the pressing plate and the bottom plate; therefore, even in the tensioning and stretching detection process of the safety belt, the fixing firmness is kept, the safety belt is prevented from loosening, and the stability of the safety belt in the testing process is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories detection devices, in particular to a vehicle safety belt toughness performance detection device. Background Art

[0002] Car seat belts are one of the indispensable accessories of cars. They are safety devices designed to restrain passengers in the event of a collision and to prevent passengers from having a secondary collision with the steering wheel and dashboard, or from being thrown out of the car and causing death or injury. Car seat belts, also known as seat belts, are a type of passenger restraint device. Seat belts need to be tested for toughness before they are manufactured to prevent them from breaking due to the pulling force of a large impact after they are put into use.

[0003] For example, the public document with application number 202310654347.7 discloses a speed-adjustable simulated automobile seat belt buffering performance testing device. In this document, during the process of the moving block moving back and forth along the moving groove, the moving block drives the seat belt to move back and forth. Since the gravity block is provided with an arc surface on the side away from the impact cavity, and a velvet surface is provided on the arc surface (i.e., simulating the state of the occupants in the car during the riding process, and the velvet surface simulates the clothes on the occupants in the car), when the moving block drives the seat belt to move, the surface of the seat belt continuously rubs against the arc surface, and the moving block reciprocates and cooperates with the arc surface, thereby realizing the detection of the wear resistance of the seat belt surface. , thereby improving the safety performance of the seat belt. However, the automobile seat belt detection device detects the cushioning of the seat belt, that is, detects the toughness of the seat belt to determine how much impact it can withstand without breaking. However, when the device is detecting, the two ends of the seat belt are connected by buckles and fixed rods. The fixed rod and the buckle have a large range of motion. During the detection process, the buckles at both ends of the seat belt may slide on the surface of the fixed rod, thereby affecting the stability of the seat belt detection. In addition, when there is an instantaneous impact or the seat belt is under excessive pressure and the tension is too strong, the seat belt may also bounce out of the fixed rod through the buckle, which not only poses a certain risk but also affects the stability of the detection.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a vehicle safety belt toughness performance testing device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a vehicle safety belt toughness performance testing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle seat belt toughness performance testing device, comprising a workbench, the front and rear sides of the workbench surface are provided with auxiliary grooves, a guide groove is provided in the middle above the surface of the workbench, support plates are fixedly arranged above the surface of the workbench at both ends of the guide groove, and a fixing mechanism is arranged above the opposite side of the surface of the support plate.

[0007] Preferably, the fixing mechanism comprises a bottom plate fixedly mounted on the opposite side above the surface of the support plate, and a hole groove is formed on one end above the surface of the bottom plate close to the middle of the workbench.

[0008] Preferably, the fixing mechanism also includes a rotating rod rotatably arranged in the middle above the bottom plate surface, a pressure plate is fixedly installed on the surface of the rotating rod, the shape of the pressure plate is set to be "L" shape, and a latch tooth is fixedly installed on the lower end of the short plate of the pressure plate, and when the latch tooth is in a vertical state, the tip is opposite to the hole groove.

[0009] Preferably, a screw rod is rotatably arranged in the middle of the inner surface of the guide groove, and a drive motor is installed on the right end of the screw rod passing through the workbench, and the drive motor is fixedly connected to the right side of the outer surface of the workbench.

[0010] Preferably, a moving block is threadedly connected to the surface of the screw rod, the moving block is located on the inner surface of the guide groove and slides in contact with it, and an assembly frame is fixedly arranged above the surface of the moving block.

[0011] Preferably, electric telescopic rods are fixedly provided at the front and rear ends of the assembly frame, and a top frame is fixedly installed at the upper end of the electric telescopic rod.

[0012] Preferably, a same pressing roller is rotatably provided at the middle of one side opposite to the top frame surface, and the position of the pressing roller is higher than the fixing mechanism.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model can conveniently and effectively fix the safety belt through the arrangement of the fixing mechanism, the bottom plate, the hole groove, the rotating rod, the pressure plate and the clamping teeth. Even if the safety belt is stretched during the toughness test, the safety belt can be firmly fixed at both ends to prevent the safety belt from loosening and improve the stability of the safety belt during the test;

[0015] 2. The utility model can perform toughness test on each point of the seat belt through the arrangement of guide grooves, screw rods, drive motors, moving blocks, assembly frames, electric telescopic rods, top frames and compression rollers, thereby improving the comprehensiveness of the test. It can also change the compression force on the seat belt according to different test requirements and test the toughness performance of the seat belt under different tensioning degrees. The test range is adjustable, and the use is more flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the split structure of the fixing mechanism of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the workbench of the utility model.

[0019] In the figure: 1. workbench; 2. auxiliary groove; 3. guide groove; 4. support plate; 5. fixing mechanism; 501. bottom plate; 502. hole groove; 503. rotating rod; 504. pressing plate; 505. latching gear; 6. screw rod; 7. driving motor; 8. moving block; 9. assembly frame; 10. electric telescopic rod; 11. top frame; 12. pressing roller. DETAILED DESCRIPTION

[0020] 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.

[0021] like Figure 1-Figure 2 As shown, a vehicle seat belt toughness performance testing device includes a workbench 1, auxiliary grooves 2 are opened on the front and rear sides of the surface of the workbench 1, a guide groove 3 is opened in the middle above the surface of the workbench 1, support plates 4 are fixedly arranged at both ends of the guide groove 3 above the surface of the workbench 1, and a fixing mechanism 5 is arranged above the opposite side of the surface of the support plate 4.

[0022] By adopting the above technical solution, the fixing mechanism 5 can quickly fix and assemble the two ends of the safety belt.

[0023] Furthermore, the fixing mechanism 5 includes a base plate 501 fixedly installed on the opposite side above the surface of the support plate 4, and a hole groove 502 is opened above the surface of the base plate 501 near one end of the middle of the workbench 1. The fixing mechanism 5 also includes a rotating rod 503 rotatably arranged in the middle above the surface of the base plate 501, and a pressure plate 504 is fixedly installed on the surface of the rotating rod 503. The shape of the pressure plate 504 is set to be "L" shape, and a tooth 505 is fixedly installed at the lower end of the short plate of the pressure plate 504. When the tooth 505 is in a vertical state, the tip is opposite to the hole groove 502.

[0024] By adopting the above technical solution, the thickness of the safety belt occupies a certain gap between the bottom plate 501 and the pressure plate 504. When the latch 505 is turned downward, the tip of the latch 505 is inserted into the woven gap of the safety belt to compress the safety belt, and the protrusion below the surface of the safety belt is pressed and inserted into the hole groove 502, so that the safety belt can be fixed conveniently and effectively.

[0025] As the toughness testing safety belt is tensioned and stretched, it will rotate toward the middle side through the latching teeth 505, but will be limited by the rear end of the pressure plate 504 and the bottom plate 501 and cannot rotate, so that the safety belt remains fixed and firm even during the tensioning and stretching testing process.

[0026] like Figure 1 and Figure 3 As shown, a screw rod 6 is rotatably arranged in the middle of the inner surface of the guide groove 3 , and the right end of the screw rod 6 passes through the workbench 1 and is installed with a drive motor 7 , which is fixedly connected to the right side of the outer surface of the workbench 1 .

[0027] By adopting the above technical solution, the driving motor 7 provides rotational power for the screw rod 6, which can be adjusted in forward and reverse rotation.

[0028] Furthermore, a moving block 8 is threadedly connected to the surface of the screw rod 6 , and the moving block 8 is located on the inner surface of the guide groove 3 to slide in contact therewith, and an assembly frame 9 is fixedly arranged above the surface of the moving block 8 .

[0029] By adopting the above technical solution, the moving block 8 is limited by the guide groove 3, and can move when the screw rod 6 rotates due to the pushing of the thread. The moving direction of the moving block 8 is different according to the rotation direction of the screw rod 6.

[0030] The assembly frame 9 can move synchronously with the moving block 8 .

[0031] Furthermore, the front and rear ends of the assembly frame 9 are fixedly provided with electric telescopic rods 10, and the upper ends of the electric telescopic rods 10 are fixedly installed with top frames 11. The same compression roller 12 is rotatably provided in the middle of the opposite side of the surface of the top frame 11, and the position of the compression roller 12 is higher than the fixing mechanism 5.

[0032] By adopting the above technical solution, the compression roller 12 above the assembly frame 9 rolls along the surface of the safety belt as the assembly frame 9 and the moving block 8 move, and the toughness of each point of the safety belt can be tested;

[0033] The electric telescopic rod 10 is used to pull the compression roller 12 downward or upward, and the pressure of the compression roller 12 on the safety belt is adjusted to make the safety belt present different tensile tensions. The safety belt can be adjusted and used according to different toughness testing requirements.

[0034] Working principle: When using the automobile seat belt toughness performance testing device, first, flip the pressure plate 504 upward along the rotating rod 503, insert the two ends of the seat belt into the gaps between the bottom plates 501 on both sides and the pressure plate 504, then, rotate the pressure plate 504 downward to drive the latch 505 to move downward. Since the thickness of the seat belt itself occupies a certain gap between the bottom plate 501 and the pressure plate 504, when the latch 505 is flipped downward, the tip of the latch 505 will be inserted into the woven gap of the seat belt, compressing the seat belt, and inserting the compression protrusion below the surface of the seat belt into the hole groove 502, so that the seat belt can be fixed conveniently and effectively, and then, according to the position of the seat belt, start the electric telescopic rod 10 to move downward, pull the compression roller 12 downward, and fit it. The surface of the seat belt, at the same time, according to different test pressure requirements, the compression roller 12 is controlled to squeeze and stretch the tension of the seat belt to test the toughness, and as the toughness test is carried out, the seat belt is tensioned and stretched, it will rotate to the middle side through the latch tooth 505, and is limited by the rear end of the pressure plate 504 and the bottom plate 501, and cannot rotate, so that the seat belt remains fixed and firm even during the tension and stretching test. During the test, the drive motor 7 drives the screw rod 6 to rotate, so that under the limitation of the guide groove 3, the moving block 8 is moved by threaded pushing, and the entire compression roller 12 is driven by the assembly frame 9 to roll along the surface of the seat belt, and the toughness test can be carried out on each point of the seat belt. This is the working principle of the automotive seat belt toughness performance testing device.

Claims

1. A vehicle safety belt toughness performance testing device, comprising a workbench (1), characterized in that: Auxiliary grooves (2) are provided on the front and rear sides of the surface of the workbench (1); a guide groove (3) is provided in the middle of the upper part of the surface of the workbench (1); support plates (4) are fixedly provided at both ends of the guide groove (3) above the surface of the workbench (1); and fixing mechanisms (5) are provided above the opposite side of the surface of the support plate (4).

2. The vehicle safety belt toughness performance testing device according to claim 1, characterized in that: The fixing mechanism (5) comprises a bottom plate (501) fixedly mounted on the opposite side above the surface of the support plate (4), and a hole groove (502) is provided on one end above the surface of the bottom plate (501) close to the middle of the workbench (1).

3. The vehicle safety belt toughness performance testing device according to claim 1, characterized in that: The fixing mechanism (5) further comprises a rotating rod (503) rotatably arranged in the middle part above the surface of the bottom plate (501); a pressing plate (504) is fixedly installed on the surface of the rotating rod (503); the shape of the pressing plate (504) is set to be "L"-shaped; a latching tooth (505) is fixedly installed at the lower end of the short plate of the pressing plate (504); when the latching tooth (505) is in a vertical state, the tip end is opposite to the hole groove (502).

4. The vehicle safety belt toughness performance testing device according to claim 1, characterized in that: A screw rod (6) is rotatably arranged in the middle of the inner surface of the guide groove (3); the right end of the screw rod (6) passes through the workbench (1) and is equipped with a drive motor (7); the drive motor (7) is fixedly connected to the right side of the outer surface of the workbench (1).

5. The vehicle safety belt toughness performance testing device according to claim 4, characterized in that: The surface of the screw rod (6) is threadedly connected with a moving block (8), the moving block (8) is located on the inner surface of the guide groove (3) and slides in contact with it, and an assembly frame (9) is fixedly arranged above the surface of the moving block (8).

6. The vehicle safety belt toughness performance testing device according to claim 5, characterized in that: The front and rear ends of the assembly frame (9) are fixedly provided with electric telescopic rods (10), and the upper ends of the electric telescopic rods (10) are fixedly installed with top frames (11).

7. The vehicle safety belt toughness performance testing device according to claim 6, characterized in that: A same pressing roller (12) is rotatably arranged in the middle of one side opposite to the surface of the top frame (11), and the position of the pressing roller (12) is higher than the fixing mechanism (5).

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