Device for testing opening and closing durability of hasp

Abstract

The utility model discloses a hasp opening and closing durability test device which comprises a test board, a first cylinder, a linear slide rail, a slide plate, a spring, a first clamp, a fixed plate, a second clamp, a second cylinder, a third cylinder and an electric cabinet. Piston rods of the second air cylinder and the third air cylinder are on the same straight line, move reversely and are used for bouncing off the hasp sample; the fixed plate is positioned on the left of the second cylinder and the third cylinder; the first clamp is arranged on the fixing plate, and the sliding plate is arranged on the linear sliding rail and located on the right side of the second air cylinder and the third air cylinder. The linear sliding rail is perpendicular to piston rods of the second cylinder and the third cylinder. A piston rod of the first cylinder is connected with the sliding plate. One end of the spring is connected with the sliding plate; the second clamp is arranged on the sliding plate, and the electric cabinet is used for controlling the first cylinder, the second cylinder and the third cylinder. The device is simple in structure and easy and convenient to operate, can accurately evaluate the durability of products, and provides guarantee for the quality of hasps entering the market.

Description

Technical Field

[0001] The utility model relates to the technical field of buckle quality testing devices. Background Art

[0002] Buckles are widely used in bag products. When a backpack is actually in use, it is generally filled with luggage. If the buckle cannot be opened or closed at this time, it will not only cause economic losses, but also bring great trouble to consumers. Therefore, the durability of the buckle on a backpack product is very important. The number of times the buckle is opened and closed is one of the key indicators for testing the quality of the buckle product, and it reflects whether the product has excellent quality.

[0003] It is necessary for both consumers and manufacturers to simulate the actual use situation of the buckle, test its performance, or inspect and evaluate the quality grade of the product. Content of the Utility Model

[0004] The purpose of the utility model is to provide a buckle opening and closing durability testing device to verify the normal service life of the buckle.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A buckle opening and closing durability testing device includes a test bench, a first cylinder, a linear slide rail, a slide plate, a spring, a first clamp, a fixing plate, a second clamp, a second cylinder, a third cylinder and an electric control box; the second cylinder and the third cylinder are arranged in the middle of the test bench, and the piston rods of the second cylinder and the third cylinder are on a straight line and move in opposite directions to pop open the buckle sample; the fixing plate is arranged on the test bench and is located on the left side of the second cylinder and the third cylinder; the first clamp is arranged on the fixing plate and is used for clamping the fixed buckle of the test sample; the slide plate is arranged on the linear slide rail and is located on the right side of the second cylinder and the third cylinder; the linear slide rail is arranged on the test bench and is perpendicular to the piston rods of the second cylinder and the third cylinder; the first cylinder is arranged at the right end of the test bench, and the piston rod of the first cylinder is connected to the slide plate; one end of the spring is connected to the slide plate, and the other end is fixed on the test bench; the second clamp is arranged on the slide plate and is used for clamping the moving buckle of the test sample; the electric control box is used to control the first cylinder, the second cylinder and the third cylinder.

[0007] Furthermore, the first clamp includes a bidirectional lead screw, a first slider, a second slider and a guide rod. The bidirectional lead screw and the guide rod are arranged in parallel on the fixing plate, and the guide rod is located on both sides of the bidirectional lead screw; the first slider and the second slider are respectively fixed on the two nuts of the bidirectional lead screw.

[0008] Furthermore, the second clamp has the same structure as the first clamp.

[0009] Furthermore, an adjusting screw rod is also provided on the test bench. The end of the adjusting screw rod is connected to the left side of the fixed plate, and is used to adjust the distance between the first fixture and the second fixture, that is, to adjust the opening and closing distance of the test sample.

[0010] Furthermore, a first sample pressing block and a second sample pressing block are also provided. The first sample pressing block is arranged on the fixed plate, and the second sample pressing block is arranged on the sliding plate. During the test, the first sample pressing block and the second sample pressing block are respectively placed above the fixed buckle and the moving buckle of the test sample.

[0011] Furthermore, a shock-absorbing head is also included, which is arranged between the piston rod of the first cylinder and the sliding plate.

[0012] Furthermore, two horizontal sliding tables are also included, which are arranged on the test bench. The second cylinder and the third cylinder are respectively arranged on the two horizontal sliding tables, and the distance between the two piston rods can be adjusted.

[0013] The directional descriptions such as left, right, front, and back appearing in this patent are described according to the examples shown in the drawings, and do not limit the structure of the device of this patent.

[0014] Advantages of the present utility model:

[0015] The buckle opening and closing durability test device provided by the present utility model accurately evaluates the durability of the product by simulating the opening and closing state of the buckle during daily use, and provides guarantee for the quality of the buckle entering the market.

[0016] At the same time, the test device of the present utility model has a simple structure, is safe and reliable, and is also very simple to operate, and can realize the repeatability and reproducibility of the test. It can also set the corresponding number of test cycles according to different definitions of the product quality grade to effectively identify the quality grade of the buckle.

[0017] The technical solution of the present utility model will be illustrated below with reference to the drawings and embodiments. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of the buckle opening and closing durability test device provided by the embodiment of the present utility model.

[0019] Figure 2 is a schematic structural diagram of the first fixture and the second fixture of the buckle opening and closing durability test device provided by the embodiment of the present utility model.

[0020] Description of the Reference Numerals:

[0021] 1 Test bench, 2 First cylinder, 3 Linear slide rail, 4 Sliding plate, 5 Spring

[0022] 6 First fixture, 601 Bidirectional screw rod, 602 First slider, 603 Second slider, 604 Guide rod

[0023] 7 Fixed plate, 8 Second fixture, 9 Second cylinder, 10 Third cylinder, 11 Electric control box

[0024] 12 Adjusting screw rod, 13 First sample pressing block, 14 Second sample pressing block, 15 Shock absorber head

[0025] 16 Horizontal sliding table Detailed implementation manners

[0026] The specific embodiments described herein are only used to explain the technical solutions of this patent, rather than limiting the disclosed technical solutions. Additionally, it should be noted that for the sake of description, only the parts related to the technical solutions of this application rather than all the structures are shown in the drawings.

[0027] Before discussing the exemplary embodiments in more detail, it should be mentioned that if the structures of the device components and / or modules mentioned in the embodiments are not described in detail, they can be understood by those skilled in the art according to the existing disclosed technologies or are commercially available products.

[0028] Reference Figure 1 , the buckle opening and closing durability test device provided in this embodiment includes a test bench 1, a first cylinder 2, a linear slide rail 3, a slide plate 4, a spring 5, a first fixture 6, a fixed plate 7, a second fixture 8, a second cylinder 9, a third cylinder 10, and an electric control box 11; the second cylinder 9 and the third cylinder 10 are arranged in the middle of the test bench 1, the piston rods of the second cylinder 9 and the third cylinder 10 are on a straight line and move in opposite directions, and are used to bounce open the buckle sample; the fixed plate 7 is arranged on the test bench 1 and is located on the left side of the second cylinder 9 and the third cylinder 10; the first fixture 6 is arranged on the fixed plate 7 and is used to clamp the fixed buckle of the test sample; the slide plate 4 is arranged on the linear slide rail 3 and is located on the right side of the second cylinder 9 and the third cylinder 10; the linear slide rail 3 is arranged on the test bench 1 and is perpendicular to the piston rods of the second cylinder 9 and the third cylinder 10; the first cylinder 2 is arranged at the right end of the test bench 1, and the piston rod of the first cylinder 2 is connected to the slide plate 4; one end of the spring 5 is connected to the slide plate 4, and the other end is fixed on the test bench 1; the second fixture 8 is arranged on the slide plate 4 and is used to clamp the moving buckle of the test sample; the electric control box 11 is used to control the first cylinder 2, the second cylinder 9, and the third cylinder 10.

[0029] Reference Figure 2 , this embodiment provides a fixture. The first fixture 6 includes a bidirectional screw rod 601, a first slider 602, a second slider 603, and a guide rod 604. The bidirectional screw rod 601 and the guide rod 604 are arranged in parallel on the fixed plate 7, and the guide rod 604 is located on both sides of the bidirectional screw rod 601; the first slider 602 and the second slider 603 are respectively fixed on the two nuts of the bidirectional screw rod 601.

[0030] The described second fixture 8 may have the same structure as the first fixture 6.

[0031] In one of the preferred embodiments, an adjusting lead screw 12 is provided on the test bench 1. The end of the adjusting lead screw 12 is connected to the left side of the fixed plate 7, which is used to adjust the distance between the first fixture 6 and the second fixture 8, that is, to adjust the opening and closing distance of the test sample, and at the same time, it can also adapt to testing buckles of various sizes.

[0032] In the second preferred embodiment, a first sample pressing block 13 and a second sample pressing block 14 are additionally provided. The first sample pressing block 13 is arranged on the fixed plate 7, and the second sample pressing block 14 is arranged on the sliding plate 4. During the test, the first sample pressing block 13 and the second sample pressing block 14 are respectively placed above the fixed buckle and the moving buckle of the test sample.

[0033] In a further preferred solution, a shock-absorbing head 15 is provided between the piston rod of the first cylinder 2 and the sliding plate 4.

[0034] The preferred solution also includes providing two horizontal sliding tables 16 on the test bench 1. The second cylinder 9 and the third cylinder 10 are respectively arranged on the two horizontal sliding tables 16 to adjust the distance between the two piston rods.

[0035] When using the buckle opening and closing durability test device of the above embodiment for testing,

[0036] First, use two fingers to press both sides of the buckle sample to bounce it open, place the fixed buckle of the buckle on the first fixture (left side), place the moving buckle of the buckle on the second fixture (right side), rotate the lead screws of the two fixtures to clamp the buckle, and then adjust the positions of the two pressing blocks and place them on the buckle to press it tightly.

[0037] Adjust the positions of the second cylinder and the third cylinder through the horizontal sliding table to determine the opening and closing distance between the two cylinders for opening and closing the buckle. Set the number of tests and the running speed required for each cylinder on the electric control cabinet, and then start the cylinders. When the piston rods of the second cylinder and the third cylinder extend, they press the buckle to open it; after the spring bounces the fixture of the buckle open (simulating actual use), the first cylinder starts to push the moving end of the buckle back and snap it into the fixed end of the buckle, thereby simulating the opening and closing of the buckle.

[0038] Repeat the test like this until the set number of times is reached to stop, so as to test the durability of the buckle. If the sample is found to be damaged during the test, it is a non-conforming product, and the experiment is stopped.

Claims

1. A buckle opening and closing durability testing device, characterized in that: The invention comprises a test bench (1), a first air cylinder (2), a linear slide rail (3), a slide plate (4), a spring (5), a first clamp (6), a fixing plate (7), a second clamp (8), a second air cylinder (9), a third air cylinder (10) and an electric control box (11); the second air cylinder (9) and the third air cylinder (10) are arranged in the middle of the test bench (1); the piston rods of the second air cylinder (9) and the third air cylinder (10) are in a straight line and move in opposite directions to pop open the buckle sample; The fixing plate (7) is arranged on the test bench (1) and is located on the left side of the second cylinder (9) and the third cylinder (10); the first clamp (6) is arranged on the fixing plate (7) and is used to clamp the fixing buckle of the test sample; the slide plate (4) is arranged on the linear slide rail (3) and is located on the right side of the second cylinder (9) and the third cylinder (10); the linear slide rail (3) is arranged on the test bench (1) and is perpendicular to the piston rods of the second cylinder (9) and the third cylinder (10); The first cylinder (2) is arranged at the right end of the test bench (1), and the piston rod of the first cylinder (2) is connected to the slide plate (4); one end of the spring (5) is connected to the slide plate (4), and the other end is fixed to the test bench (1); the second clamp (8) is arranged on the slide plate (4) and is used to clamp the moving buckle of the test sample; the electric control box (11) is used to control the first cylinder (2), the second cylinder (9) and the third cylinder (10).

2. The buckle opening and closing durability testing device according to claim 1, characterized in that: The first clamp (6) comprises a bidirectional screw rod (601), a first slider (602), a second slider (603) and a guide rod (604); the bidirectional screw rod (601) and the guide rod (604) are arranged in parallel on the fixing plate (7), and the guide rod (604) is located on both sides of the bidirectional screw rod (601); the first slider (602) and the second slider (603) are respectively fixed on two nuts of the bidirectional screw rod (601).

3. The buckle opening and closing durability testing device according to claim 2, characterized in that: The second clamp (8) has the same structure as the first clamp (6).

4. The buckle opening and closing durability testing device according to any one of claims 1 to 3, characterized in that: An adjusting screw rod (12) is provided on the test bench (1), the end of the adjusting screw rod (12) being connected to the left side of the fixing plate (7) for adjusting the distance between the first clamp (6) and the second clamp (8).

5. The buckle opening and closing durability testing device according to any one of claims 1 to 3, characterized in that: A first sample pressing block (13) and a second sample pressing block (14) are provided. The first sample pressing block (13) is arranged on a fixed plate (7), and the second sample pressing block (14) is arranged on a slide plate (4). During testing, the first sample pressing block (13) and the second sample pressing block (14) are respectively placed above the fixed buckle and the movable buckle of the test sample.

6. The buckle opening and closing durability testing device according to any one of claims 1 to 3, characterized in that: A shock absorbing head (15) is provided between the piston rod of the first cylinder (2) and the slide plate (4).

7. The buckle opening and closing durability testing device according to any one of claims 1 to 3, characterized in that: It also comprises two horizontal slides (16) which are arranged on the test bench (1); the second cylinder (9) and the third cylinder (10) are respectively arranged on the two horizontal slides (16).

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