Fluororubber strip tensile strength measuring device

Abstract

The utility model provides a fluororubber strip tensile strength measuring device, relates to the technical field of rubber strip stretching, and solves the problems that when two ends of a rubber strip are clamped to be pulled and stretched, the rubber strip is easy to deviate and incline due to overlarge pulling force, so that the stress of the rubber strip is non-uniform, and stretching measurement data is influenced. A clamping plate is connected to the middle of the body, a lifting block is connected to one side of the clamping plate through a screw, a contraction groove is formed in the side, facing the lifting block, of the clamping plate, an abutting block is connected to the middle of the contraction groove, clamps are connected to the two sides of an opening of the contraction groove, and telescopic spring rods are connected to one ends of the clamps. And the abutting blocks arranged in the device are matched with the shrinkage grooves, so that the rubber strips with various diameters and volumes can be limited, and the rubber strips cannot deviate and incline in the stretching process.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber strip stretching, in particular to a fluororubber strip tensile strength measuring device. Background Art

[0002] Rubber strip stretching refers to clamping the two ends of a long rubber strip and then displacing one end to pull and stretch the rubber strip, thereby measuring the strength of the rubber strip and other data.

[0003] However, the existing rubber strips are stretched and clamped at both ends by simply applying pressure, and there are no restrictions on the two sides of the rubber strip. As a result, during the pulling and stretching process, it is easy for the rubber strip to deviate and tilt due to excessive pulling force, thereby affecting the stretching data of the rubber strip. Utility Model Content

[0004] The purpose of the utility model is to provide a fluororubber strip tensile strength measuring device to solve the problem that when the two ends of the rubber strip are clamped and stretched, it is easy for the rubber strip to deviate and tilt due to excessive pulling force, resulting in uneven force on the rubber strip and affecting the tensile measurement data.

[0005] The embodiments of the present invention are achieved through the following technical solutions:

[0006] The utility model provides a fluororubber strip tensile strength measuring device, comprising a main body, a splint connected to the middle of the main body, a lifting block connected to one side of the splint via a screw, a contraction groove provided on the side of the splint facing the lifting block, a resisting block connected to the middle of the contraction groove, clamps connected to both sides of the contraction groove opening, and a telescopic spring rod connected to one end of the clamp.

[0007] Preferably, the shrinkage groove further includes an engaging groove, and the engaging groove is arranged on both sides of the middle portion of the shrinkage groove.

[0008] Preferably, the stop block further includes a chimeric block, and the chimeric blocks are arranged on both sides of the stop block.

[0009] Preferably, the engaging block cooperates with the engaging groove.

[0010] Preferably, the clamping plate further includes a transmission gear connected to the interior of the clamping plate.

[0011] Preferably, one side of the transmission gear is connected to the fitting groove and fits into the fitting block, and the transmission gear is meshed with one side of the fitting block.

[0012] Preferably, a certain gap is left between the clamping block and the abutting block, and one side of the clamping block is engaged with the tooth marks of the transmission gear.

[0013] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0014] 1. The cooperation between the stop block and the shrinkage groove in the device enables rubber strips of various diameters and volumes to be limited so that they will not deviate or tilt during the stretching process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

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

[0017] Figure 2 It is a partial side cross-sectional structural diagram of the plywood of the utility model;

[0018] Figure 3 This is a schematic diagram of a partial top-view cross-sectional structure of the plywood of the present invention;

[0019] Icons: main body 1, clamping plate 2, lifting block 201, contraction groove 202, fitting groove 2021, stop block 203, fitting block 2031, clamping block 204, telescopic spring rod 2041, transmission gear 205. DETAILED DESCRIPTION

[0020] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0021] The following combination Figures 1 to 3 The utility model is described in detail.

[0022] A device for measuring the tensile strength of a fluororubber strip comprises a main body 1, a splint 2 being connected to the middle of the main body 1, a lifting block 201 being connected to one side of the splint 2 via screws, a contraction groove 202 being provided on the side of the splint 2 facing the lifting block 201, a stop block 203 being connected to the middle of the contraction groove 202, clamps 204 being connected to both sides of the opening of the contraction groove 202, and a telescopic spring rod 2041 being connected to one end of the clamp 204.

[0023] First, clamp the two ends of the rubber strip that needs to be tensile tested on the two clamps 2 in the middle of the main body 1 respectively, and then control the lifting block 201 from above to lift and lower, so as to drive the upper clamp 2 to rise, and apply force to stretch the rubber strip in the middle, so as to test the strength of the rubber strip.

[0024] Furthermore, the shrinkage groove 202 also includes an interlocking groove 2021, which is arranged on both sides of the middle part of the shrinkage groove 202, and the retaining block 203 also includes an interlocking block 2031, which is arranged on both sides of the retaining block 203, and the interlocking block 2031 cooperates with the interlocking groove 2021. The splint 2 also includes a transmission gear 205, which is connected to the inside of the splint 2, and one side of the transmission gear 205 is connected to the interlocking groove 2021 and fits with the interlocking block 2031. The transmission gear 205 is meshed with one side of the interlocking block 2031, and a certain gap is left between the clamping block 204 and the retaining block 203, and one side of the clamping block 204 is meshed with the tooth mark of the transmission gear 205.

[0025] At the same time, when the splint 2 is adjusted by the screw to move closer to the lifting block 201 to clamp the rubber strip, the rubber strip will rest against the block 203 in the middle of the contraction groove 202 on one side of the splint 2, and then through continuous pressure and closing, the block 203 will be forced to shrink and move toward the contraction groove 202, so that part of the rubber strip will be embedded in the contraction groove 202, thereby limiting the two sides of the rubber strip to a certain extent, so that during the process of applying force and stretching, the rubber strip will not be offset due to pressure.

[0026] At the same time, when the block 203 shrinks toward the shrinkage groove 202, the engaging blocks 2031 on both sides thereof will move along the engaging groove 2021. In the process of the engaging block 2031 moving along the engaging groove 2021, one side of the transmission gear 205 will connect the engaging groove 2021 and engage with the engaging block 2031, so that the engaging block 2031 will drive the transmission gear 205 to start rotating when it moves. When the transmission gear 205 rotates, one side will engage with the clamping block 204, so that the clamping block 204 will move closer to the center to apply pressure and clamp the rubber strip in the shrinkage groove 202, so that some rubber strips with a diameter smaller than the engaging groove 2021 can also be clamped on both sides, so that they will not be offset or tilted during the stretching process.

[0027] The following is a specific implementation process of the present invention. First, the two ends of the rubber strip that needs to be stretched are clamped on the two plywood 2 in the middle of the body 1 respectively, and then the lifting block 201 is controlled to rise and lower, so as to drive the upper plywood 2 to rise, so as to apply force to the rubber strip in the middle to stretch it, thereby testing the strength of the rubber strip. At the same time, when the plywood 2 is adjusted to move closer to the lifting block 201 by the screw to clamp the rubber strip, the rubber strip will rest against the block 203 in the middle of the contraction groove 202 on one side of the plywood 2, and then through continuous pressure and closing, the block 203 will be forced to shrink and move towards the contraction groove 202, so that part of the rubber strip will be embedded in the contraction groove 202, to limit the two sides of the rubber strip to a certain extent, so that the rubber strip can be stretched during the force application process. It will not deviate due to pressure. At the same time, when the block 203 shrinks toward the shrinkage groove 202, the engaging blocks 2031 on both sides thereof will move along the engaging groove 2021. In the process of the engaging block 2031 moving along the engaging groove 2021, one side of the transmission gear 205 will connect the engaging groove 2021 and mesh with the engaging block 2031, so that the engaging block 2031 will drive the transmission gear 205 to start rotating when it moves. When the transmission gear 205 rotates, one side will mesh with the clamping block 204, so that the clamping block 204 will move closer to the center to apply pressure and clamp the rubber strip in the shrinkage groove 202, so that some rubber strips with a diameter smaller than the engaging groove 2021 can also be clamped on both sides, so that they will not deviate or tilt during the stretching process.

[0028] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A fluororubber strip tensile strength measuring device, comprising a body (1), a clamping plate (2) connected to the middle of the body (1), and a lifting block (201) connected to one side of the clamping plate (2) via screws, characterized in that: A contraction groove (202) is provided on the side of the clamping plate (2) facing the lifting block (201), a stop block (203) is connected to the middle of the contraction groove (202), clamping blocks (204) are connected to both sides of the opening of the contraction groove (202), and one end of the clamping block (204) is connected to a telescopic spring rod (2041).

2. A fluororubber strip tensile strength measuring device according to claim 1, characterized in that: The shrinkage groove (202) further comprises an engaging groove (2021), and the engaging groove (2021) is arranged on both sides of the middle portion of the shrinkage groove (202).

3. The fluororubber strip tensile strength measuring device according to claim 1, characterized in that: The stop block (203) further comprises a chimeric block (2031), and the chimeric block (2031) is arranged on both sides of the stop block (203).

4. A fluororubber strip tensile strength measuring device according to claim 3, characterized in that: The engaging block (2031) cooperates with the engaging groove (2021).

5. The fluororubber strip tensile strength measuring device according to claim 1, characterized in that: The splint (2) further comprises a transmission gear (205), and the transmission gear (205) is connected inside the splint (2).

6. A fluororubber strip tensile strength measuring device according to claim 5, characterized in that: One side of the transmission gear (205) is connected to the interlocking groove (2021) and is fitted with the interlocking block (2031), and the transmission gear (205) is meshed with one side of the interlocking block (2031).

7. The fluororubber strip tensile strength measuring device according to claim 1, characterized in that: A certain gap is left between the clamping block (204) and the abutting block (203), and one side of the clamping block (204) is meshed with the tooth marks of the transmission gear (205).

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