Tensile strength tester

Abstract

The utility model relates to the field of test equipment, in particular to a tensile strength tester which comprises a base and a sliding rod vertically connected to the upper end of the base, a mounting block is mounted at the upper end of the base, the sliding rod is slidably connected with a sliding block in the vertical direction, and the sliding block is located over the mounting block. Clamps are mounted at the ends, facing each other, of the mounting block and the sliding block, each clamp comprises a clamp base, a fixed block fixedly connected to the clamp base and a movable block slidably connected to the clamp base, an abutting hole is formed in the face, facing the movable block, of the fixed block, and the movable block is in threaded connection with an abutting rod; the abutting rod penetrates through the movable block, and one end of the abutting rod is inserted into the abutting hole when the fixed block and the movable block clamp the cloth. The tensile strength tester has the effect that the tensile strength tester can carry out a tensile test on a fabric with a large area.

Description

Technical Field

[0001] The present application relates to the field of testing equipment, and in particular to a tensile strength tester. Background Art

[0002] The tensile strength tester is used to test the tensile resistance of fabrics. During the test, the operator uses two clamps to clamp the upper and lower ends of the fabric respectively, and then the two clamps stretch the fabric in the vertical direction to obtain the tensile resistance data of the fabric.

[0003] Traditional tensile strength testers have multiple guide rails on the fixture to support the clamping block, and the clamping block is slidably connected to the guide rails. Due to the presence of the guide rails, the area of ​​the fabric that can be clamped by the clamping block is reduced, making it difficult to clamp a larger area of ​​fabric for tensile testing. Utility Model Content

[0004] In order to enable a tensile strength tester to perform tensile tests on fabrics of a larger area, the present application provides a tensile strength tester.

[0005] The tensile strength tester provided in this application adopts the following technical solution:

[0006] The cam is fixedly mounted on a support frame, and the cam is secured to a position detachable from the support frame by means of a pin. The cam is secured to a position detachable from the support frame by means of a pin. The cam is secured to a position detachable from the support frame by means of a pin.

[0007] By adopting the above technical solution, the operator moves the moving block to a position relatively close to the fixed block, rotates the clamping rod, and the clamping rod moves toward the clamping hole when it rotates and pushes the cloth into the clamping hole. After the clamping rod hits the bottom of the clamping hole, the operator rotates the clamping rod slightly in the opposite direction so that there is a small gap between the clamping rod and the bottom of the clamping hole, and moves the moving block toward the fixed block. When the moving block moves, it drives the clamping rod to move toward the clamping hole. When the clamping rod hits the bottom of the clamping hole, if the moving block If the movable block and the fixed block do not clamp the fabric, continue to rotate the clamping rod in the opposite direction to separate the clamping rod and the clamping hole, driving the movable block to move toward the fixed block. The movable block drives the clamping rod to move toward the clamping hole and abuts against the bottom of the clamping hole. The above operation is continued until the movable block and the fixed block clamp the fabric, and the clamping rod and the bottom of the clamping hole are tightly set, thereby completing the fixation of the fabric. Compared with the traditional tensile strength tester, this clamping method reduces the position of the guide rail on the fabric, so that the area of ​​the fabric that can be clamped is increased.

[0008] Optionally, the inner diameter of the abutment hole is larger than the diameter of the abutment rod.

[0009] By adopting the above technical solution, the inner diameter of the pressing hole is larger than the diameter of the pressing rod so that when the pressing rod pushes the cloth into the pressing hole, the gap between the pressing rod and the pressing hole provides a space for accommodating the cloth.

[0010] Optionally, the clamp seat includes a horizontal bottom plate and two vertical side plates, the two side plates are fixedly connected to two ends of the bottom plate respectively, and the fixed block and the movable block are both located between the two side plates.

[0011] When conducting a tensile test, the moving block is located between the two side plates, and the side plates limit the moving block to prevent it from sliding out.

[0012] Optionally, one end of the clamping rod is coaxially connected to a guide rail, the guide rail is arranged to pass through the side plate in a horizontal direction, and the guide rail is slidably connected to the side plate.

[0013] By adopting the above technical solution, the guide rail plays a supporting role for the moving block.

[0014] Optionally, a hexagonal hole is provided at the end of the guide rail.

[0015] By adopting the above technical solution, the provision of the hexagonal hole facilitates the rotation of the guide rail.

[0016] Optionally, the diameter of the abutting rod is smaller than the diameter of the guide rail.

[0017] By adopting the above technical solution, the diameter of the clamping rod is smaller than the diameter of the guide rail, so that when the clamping rod is installed, the clamping rod can smoothly pass through the side plate.

[0018] Optionally, the plurality of abutting rods are evenly distributed along the circumference of the moving block.

[0019] By adopting the above technical solution, multiple tightening rods are distributed circumferentially, so that the force is more uniform and the fixing effect on the cloth is better.

[0020] Optionally, the side panel is threadedly connected to a horizontal driving rod, one end of the driving rod is rotatably connected to the moving block, and the other end of the driving rod is equipped with a handle, and the handle and the moving block are respectively located at both ends of the side panel.

[0021] By adopting the above technical solution, the operator turns the handle, and the handle drives the driving rod to rotate. The driving rod cooperates with the side plate thread so that when the driving rod turns, it drives the moving block to move and press against the fixed block, thereby clamping the fabric. The setting of the handle saves effort.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The end of the clamping rod pushes the fabric into the clamping hole to fix the fabric. Compared with the traditional tensile strength tester, this clamping method reduces the position of the guide rail on the fabric, which increases the area of ​​the fabric that can be clamped;

[0024] 2. The inner diameter of the pressing hole is larger than the diameter of the pressing rod so that when the pressing rod pushes the cloth into the pressing hole, the gap between the pressing rod and the pressing hole provides space for accommodating the cloth. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of a tensile strength tester according to an embodiment of the present application.

[0026] Figure 2 yes Figure 1 A magnified view of the structure at A.

[0027] Figure 3 This is a cross-sectional view of a clamp of a tensile strength tester according to an embodiment of the present application.

[0028] Explanation of the accompanying drawings: 1. Base; 11. Sliding rod; 111. Mounting block; 112. Sliding block; 2. Clamp; 21. Clamp seat; 211. Bottom plate; 212. Side plate; 22. Fixed block; 221. Tightening hole; 23. Moving block; 231. Tightening rod; 232. Guide rail; 233. Hexagonal socket; 234. Driving rod; 235. Handle. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-3 This application is described in further detail.

[0030] The present application embodiment discloses a tensile strength tester. Figure 1 、 Figure 2 as well as Figure 3 A tensile strength tester includes a base 1 and a sliding rod 11 vertically connected to the upper end of the base 1. The sliding rod 11 is connected to a sliding block 112 for sliding movement in the vertical direction. A mounting block 111 is fixed to the upper end of the base 1. The mounting block 111 is located directly below the sliding block 112. A clamp 2 is installed on the side facing each other of the mounting block 111 and the sliding block 112. The two clamps 2 are respectively used to clamp the upper and lower ends of the fabric. When the sliding block 112 moves up and down, it drives one of the clamps 2 to move up and down. When the clamp 2 moves up and down, the fabric is subjected to a tensile test.

[0031] Reference Figure 1 、 Figure 2 as well as Figure 3 The clamp 2 includes a clamp seat 21, a fixed block 22 and a movable block 23. The clamp seat 21 includes a horizontal bottom plate 211 and two vertical side plates 212. The two side plates 212 are fixedly connected to the two ends of the bottom plate 211 respectively, and the fixed block 22 is fixedly connected to the bottom plate 211. The movable block 23 is slidably connected to the bottom plate 211. The movable block 23 and the fixed block 22 are both located between the two side plates 212. The space between the movable block 23 and the fixed block 22 is used to place cloth. When the movable block 23 is pressed against the fixed block 22, the cloth is clamped. The side plate 212 is slidably connected to four guide rails 232 in the horizontal direction. The four guide rails 232 are respectively arranged at the four corners of the side plate 212. One end of the guide rail 232 is coaxially connected to a tightening rod 231. The other end of the guide rail 232 is provided with an inner hexagonal hole 233. The four tightening rods 231 are all threadedly connected to the movable block 23 and are arranged to pass through the movable block 23 in the horizontal direction. The diameter of the clamping rod 231 is smaller than the diameter of the guide rail 232, so that the clamping rod 231 can smoothly pass through the side plate 212 and be threadedly connected to the moving block 23. The four clamping rods 231 all support the moving block 23, and the supporting effect is more stable. The fixed block 22 is provided with four clamping holes 221 on the side facing the moving block 23. The positions of the four clamping holes 221 correspond one-to-one to the four clamping rods 231. The inner diameter of the clamping hole 221 is larger than the diameter of the clamping rod 231. The gap between the clamping hole 221 and the clamping rod 231 forms a space for accommodating cloth. The setting of the four clamping rods 231 plays a role in enhancing the effect of clamping the cloth. The side plate 212 is threadedly connected with a horizontal driving rod 234. One end of the driving rod 234 is tightly set to the moving block 23, and the other end of the driving rod 234 is installed with a handle 235. The handle 235 and the moving block 23 are respectively located at both ends of the side plate 212.

[0032] Reference Figure 1 、 Figure 2 as well as Figure 3When conducting a tensile test, one end of the fabric is located in the gap between the movable block 23 and the fixed block 22. The operator moves the movable block 23 to a position closer to the fixed block 22 and rotates the guide rail 232. The guide rail 232 drives the tightening rod 231 to rotate. When the tightening rod 231 rotates, it moves toward the tightening hole 221 and pushes the fabric into the tightening hole 221. After the tightening rod 231 hits the bottom of the tightening hole 221, the operator rotates the tightening rod 231 in the opposite direction with a small amplitude, so that there is a small gap between the tightening rod 231 and the bottom of the tightening hole 221, and turns the handle 235. When the handle 235 rotates, it drives the driving rod 234 to move toward the movable block 23. When the driving rod 234 hits the movable block 23, it drives the movable block 23 to move toward the fixed block 22. When the movable block 23 moves, it drives the tightening rod 231 moves toward the tightening hole 221. When the tightening rod 231 contacts the bottom of the tightening hole 221, if the moving block 23 and the fixed block 22 do not clamp the fabric, continue to rotate the guide rail 232 in the opposite direction to separate the tightening rod 231 and the tightening hole 221. Turn the handle 235 to make the driving rod 234 drive the moving block 23 to move toward the fixed block 22. The moving block 23 drives the tightening rod 231 to move toward the tightening hole 221 and contact the bottom of the tightening hole 221. Continue the above operation until the moving block 23 and the fixed block 22 clamp the fabric. The tightening rod 231 and the bottom of the tightening hole 221 are tightly set, thereby completing the fixation of the fabric. Compared with the traditional tensile strength tester, this fixing method reduces the positioning of the guide rail 232 on the fabric when fixing the fabric, so that the area where the moving block 23 can fix the fabric is increased.

[0033] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A tensile strength tester, characterized in that: The invention comprises a base (1) and a sliding rod (11) vertically connected to the upper end of the base (1); a mounting block (111) is installed on the upper end of the base (1); the sliding rod (11) is connected to a sliding block (112) in a vertical sliding direction; the sliding block (112) is located directly above the mounting block (111); a clamp (2) is installed at one end of the mounting block (111) and the sliding block (112) facing each other; the clamp (2) comprises a clamp seat (21), a clamp fixedly connected to the clamp, and a clamp (21) disposed on the upper end of the base (1). A fixed block (22) of the seat (21) and a moving block (23) slidably connected to the clamp seat (21) are provided with a tightening hole (221) on a side of the fixed block (22) facing the moving block (23); the moving block (23) is threadedly connected with a plurality of tightening rods (231); the plurality of tightening rods (231) are all arranged through the moving block (23); when the fixed block (22) and the moving block (23) clamp the fabric, one end of the tightening rod (231) is inserted into the tightening hole (221).

2. A tensile strength tester according to claim 1, characterized in that: The inner diameter of the abutting hole (221) is greater than the diameter of the abutting rod (231).

3. A tensile strength tester according to claim 1, characterized in that: The clamp seat (21) comprises a horizontal bottom plate (211) and two vertical side plates (212), the two side plates (212) are respectively fixedly connected to the two ends of the bottom plate (211), and the fixed block (22) and the movable block (23) are both located between the two side plates (212).

4. A tensile strength tester according to claim 3, characterized in that: One end of the pressing rod (231) is coaxially connected to a guide rail (232), and the guide rail (232) is arranged to pass through the side plate (212) in a horizontal direction. The guide rail (232) is slidably connected to the side plate (212).

5. A tensile strength tester according to claim 4, characterized in that: The end of the guide rail (232) is provided with a hexagonal hole (233).

6. A tensile strength tester according to claim 4, characterized in that: The diameter of the abutting rod (231) is smaller than the diameter of the guide rail (232).

7. A tensile strength tester according to claim 1, characterized in that: The plurality of abutting rods (231) are evenly distributed along the circumference of the moving block (23).

8. The tensile strength tester according to claim 3, characterized in that: The side plate (212) is threadedly connected to a horizontal driving rod (234), one end of the driving rod (234) is tightly arranged with the moving block (23), and the other end of the driving rod (234) is installed with a handle (235), and the handle (235) and the moving block (23) are respectively located at two ends of the side plate (212).

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