Elastic piece elasticity testing device and testing system

By designing a spring force testing device that includes a base, a U-shaped fixing block, a limiting sliding seat, and a sliding block, the accuracy and efficiency of spring force testing have been improved, and the problems of instability and high cost of manual measurement have been solved.

CN224202693UActive Publication Date: 2026-05-05TSP ELECTRONICS TECH(SHANGHAI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TSP ELECTRONICS TECH(SHANGHAI) CO LTD
Filing Date
2025-05-23
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

In existing technologies, the elasticity test of shrapnel relies on manual measurement, which leads to unstable data, large errors, affects measurement accuracy and efficiency, and is costly.

Method used

Design a spring force testing device including a base, a U-shaped fixing block, a limiting sliding seat, and a sliding block. The sliding block moves along the sliding hole to press down the raised end of the spring. Combined with a force measuring machine, the spring force is accurately measured. Limiting posts and shims are set to conveniently fix the spring. The scale lines on the sliding block are used to accurately control the pressing distance.

Benefits of technology

It improves the accuracy and efficiency of shrapnel force testing, reduces human error, simplifies the testing process, and lowers costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of elastic force testing, and discloses an elastic sheet elastic force testing device and a testing system. The testing device comprises a base, an n-shaped fixing block, a limiting sliding seat and a sliding block, a transverse plate of the n-shaped fixing block and one end of the base are matched with the fixing end of the clamping elastic piece, the limiting sliding seat is fixedly arranged at the top of the transverse plate, a sliding hole is formed in the limiting sliding seat, one end of the sliding block is connected with an external force measuring machine, and the other end of the sliding block is connected with a clamping device. The other end of the sliding block penetrates out of the sliding hole in a matched mode to press the tilting end of the elastic piece, so that the force measuring machine can accurately measure the elastic force of the elastic piece by moving and pressing the sliding block along the sliding hole by a proper distance, the product quality is determined, the testing efficiency and reliability are improved, and meanwhile the testing device is simple in structure and convenient to disassemble.
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Description

Technical Field

[0001] This utility model relates to the field of elasticity testing, specifically to a spring elasticity testing device and testing system. Background Technology

[0002] In existing technologies, the elasticity of spring clips affects the user experience and lifespan of products. Therefore, it is necessary to accurately test and control the elasticity of spring clips to ensure that they meet design specifications and quality standards. Currently, factories often use manual methods to measure the elasticity of spring clips by holding the product by hand. However, manual testing is prone to unstable data and large errors during the testing process, affecting the accuracy of the measurement data and making it easy to misjudge the quality of the product, thus affecting the production process. At the same time, manual testing is inefficient and costly. Utility Model Content

[0003] To overcome the above-mentioned technical problems, this utility model provides a spring force testing device. The testing device includes a base, a U-shaped fixing block, a limiting sliding seat, and a sliding block. The horizontal plate of the U-shaped fixing block matches one end of the base to clamp the fixed end of the spring. The limiting sliding seat is fixedly set on the top of the horizontal plate, and a sliding hole is opened on the limiting sliding seat. One end of the sliding block is connected to an external force measuring machine, and the other end of the sliding block matches the raised end of the spring that passes through the sliding hole and presses down. This allows the force measuring machine to accurately measure the spring force by moving the sliding block along the sliding hole and pressing down a suitable distance, thereby determining the quality of the product, improving testing efficiency and reliability. At the same time, the testing device has a simple structure and is easy to disassemble.

[0004] To achieve the above objectives, this utility model provides a spring force testing device, the spring force testing device comprising:

[0005] Base;

[0006] A U-shaped fixing block is fixedly installed on the top of the base, and the horizontal plate of the U-shaped fixing block matches one end of the base to clamp the fixing end of the spring piece;

[0007] A limiting sliding seat is fixedly disposed on the top of the horizontal plate, and a sliding hole is provided on the limiting sliding seat;

[0008] A sliding block, one end of which is connected to an external force measuring machine, and the other end of which matches the raised end of the spring piece that passes through the sliding hole and presses down.

[0009] Preferably, the base includes two limiting posts, which are respectively disposed on both sides of one end of the base;

[0010] Two limiting holes are provided on both sides of the horizontal plate, and the two limiting holes are connected to the two limiting posts one by one to limit and fix the U-shaped fixing block.

[0011] Preferably, the elasticity testing device includes a pad disposed on the base, and a first hole is provided on one side of the pad, the first hole matching a limiting post to limit and fix the pad.

[0012] The other side of the gasket is provided with two sets of circular protrusions of different diameters. The circular protrusions cooperate with the through holes at the fixing end of the spring sheet to fix the spring sheet.

[0013] Preferably, the top of the limiting post is chamfered.

[0014] Preferably, the sliding block is provided with multiple sets of scale lines.

[0015] On the other hand, this utility model provides a testing system, which includes an elasticity testing device and a force measuring machine, wherein the elasticity testing device includes:

[0016] Base;

[0017] A U-shaped fixing block is fixedly installed on the top of the base, and the horizontal plate of the U-shaped fixing block matches one end of the base to clamp the fixing end of the spring piece;

[0018] A limiting sliding seat is fixedly disposed on the top of the horizontal plate, and a sliding hole is provided on the limiting sliding seat;

[0019] A sliding block, one end of which is connected to the force measuring machine, and the other end of which matches the raised end of the spring piece that passes through the sliding hole and presses down.

[0020] Preferably, the base includes two limiting posts, which are respectively disposed on both sides of one end of the base;

[0021] Two limiting holes are provided on both sides of the horizontal plate, and the two limiting holes are connected to the two limiting posts one by one to limit and fix the U-shaped fixing block.

[0022] Preferably, the elasticity testing device includes a pad disposed on the base, and a first hole is provided on one side of the pad, the first hole matching the limiting post to limit and fix the pad;

[0023] The other side of the gasket is provided with two sets of circular protrusions of different diameters. The circular protrusions cooperate with the through holes at the fixing end of the spring sheet to fix the spring sheet.

[0024] Preferably, the top of the limiting post is chamfered.

[0025] Preferably, the sliding block is provided with multiple sets of scale lines.

[0026] Through the above technical solution, the testing device includes a base, a U-shaped fixing block, a limiting sliding seat, and a sliding block. The horizontal plate of the U-shaped fixing block matches one end of the base to clamp the fixed end of the spring sheet. The limiting sliding seat is fixedly set on the top of the horizontal plate, and a sliding hole is opened on the limiting sliding seat. One end of the sliding block is connected to an external force measuring machine, and the other end of the sliding block matches the raised end of the spring sheet that passes through the sliding hole and presses down. This allows the force measuring machine to accurately measure the elastic force of the spring sheet by moving the sliding block along the sliding hole and pressing down a suitable distance, thereby determining the quality of the product and improving testing efficiency and reliability. At the same time, the limiting posts of the base and the limiting holes of the horizontal plate are connected one-to-one to fix the base and the U-shaped fixing block. A gasket is set on the base and fixed thereon. The through hole of the spring sheet is set on the protrusion of the gasket to achieve rapid positioning and placement of the spring sheet. Two sets of circular protrusions with different diameters are set to meet the needs of different sized spring pieces; at the same time, multiple sets of scale lines are set on the sliding block to correspond to different pressing distances of the spring pieces, so as to accurately test the spring force of the spring pieces at different pressing distances; the testing device has a simple structure and is easy to disassemble. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a spring force testing device according to one embodiment of the present invention;

[0028] Figure 2 This is a structural schematic diagram of the base, spring, and gasket of a spring force testing device according to one embodiment of the present invention.

[0029] Explanation of reference numerals in the attached figures

[0030] 1. Base 2. U-shaped fixing block

[0031] 3. Limiting sliding seat 4. Sliding block

[0032] 5. Shrapnel 6. Washer

[0033] 11. Limiting post; 21. Horizontal plate

[0034] 31. Sliding hole; 41. Scale line

[0035] 51. Fixed end 52. Tilted end

[0036] 61. First hole 62. Circular protrusion

[0037] 111, chamfer 211, limiting hole

[0038] 511. Through hole Detailed Implementation

[0039] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of the present invention.

[0040] like Figure 1 The diagram shown is a structural schematic of a spring force testing device according to one embodiment of the present invention; as follows: Figure 2 The diagram shown is a structural schematic of the base, spring, and gasket of a spring force testing device according to one embodiment of the present invention. Figure 1 The spring force testing device includes a base 1, a U-shaped fixing block 2, a limiting sliding seat 3, and a sliding block 4. Specifically, the U-shaped fixing block 2 is fixedly installed on the top of the base 1, and the horizontal plate 21 of the U-shaped fixing block 2 matches one end of the base 1 to clamp the fixed end 51 of the spring 5. The limiting sliding seat 3 is fixedly installed on the top of the horizontal plate 21, and a sliding hole 31 is provided on the limiting sliding seat 3. One end of the sliding block 4 is connected to an external force measuring machine, and the other end of the sliding block 4 matches the raised end 52 of the spring 5 that passes through the sliding hole 31 and presses down. The spring 5 is clamped between the base 1 and the U-shaped fixing block 2, and the sliding block 4 presses down the raised end 52 of the spring 5 along the sliding hole 31. The force measuring machine accurately tests the spring force of the spring 5 at the corresponding pressing distance.

[0041] exist Figure 1 , 2 In order to facilitate the clamping of the spring piece 5 and reduce the installation and fixing steps, in one embodiment of this utility model, two limiting posts 11 are respectively set on both sides of one end of the base 1, and two limiting holes 211 are provided on both sides of the horizontal plate 21. The two limiting holes 211 are connected to the two limiting posts 11 one by one to limit and fix the U-shaped fixing block 2.

[0042] exist Figure 1 , 2 In this invention, considering the placement of the spring piece 5 and to prevent its displacement, in one embodiment, the elasticity testing device includes a pad 6. One side of the pad 6 has a first hole 61 that matches a limiting post 11 to limit and fix the pad 6. Simultaneously, the other side of the pad 6 has two sets of circular protrusions 62 of different diameters. These protrusions 62 engage with the through holes 511 of the fixing end 51 of the spring piece 5 to fix it. The pad 5 is fixed to the base 1 through the first hole 61 and the limiting post 11. Furthermore, the engagement of the circular protrusions 62 of the pad 6 and the through holes 511 of the fixing end 51 of the spring piece 5 facilitates quick positioning and placement of the spring piece 5, improving work efficiency.

[0043] exist Figure 1 , 2In order to improve the efficiency of the installation and connection of the base 1 and the U-shaped fixing block 2, in one embodiment of this utility model, the top end of the limiting post 11 is provided with a chamfer 111. The chamfer 111 facilitates the guiding of the limiting post 11 into the limiting hole 211 of the horizontal plate 21 of the U-shaped fixing block 2, thereby improving the working efficiency.

[0044] exist Figure 1 , 2 In order to meet the testing of different pressing distances of the spring piece 5 and improve the testing efficiency, in one embodiment of this utility model, the sliding block 4 is provided with multiple sets of scale lines 41. During the pressing process of the sliding block 4, when a certain scale line 411 coincides with the upper boundary line of the sliding hole 31 of the raised end 52 away from the spring piece 5, it can be determined that the corresponding pressing distance has been reached, and the force measuring machine can then measure the elastic force of the spring piece 5 at the corresponding pressing distance.

[0045] On the other hand, this utility model provides a testing system, which includes an elasticity testing device and a force measuring machine. The elasticity testing device includes a base 1, a U-shaped fixing block 2, a limiting sliding seat 3, and a sliding block 4. Specifically, the U-shaped fixing block 2 is fixedly disposed on the top of the base 1, and the horizontal plate 21 of the U-shaped fixing block 2 matches and clamps the fixed end 51 of the elastic piece 5 at one end of the base 1. The limiting sliding seat 3 is fixedly disposed on the top of the horizontal plate 21, and a sliding hole 31 is provided on the limiting sliding seat 3. One end of the sliding block 4 is connected to the force measuring machine, and the other end of the sliding block 4 matches and passes through the sliding hole 31 to press down the raised end 52 of the elastic piece 5. The elastic piece 5 is clamped between the base 1 and the U-shaped fixing block 2, and the sliding block 4 presses down the raised end 52 of the elastic piece 5 along the sliding hole 31. The force measuring machine accurately tests the elasticity of the elastic piece 5 at the corresponding pressing distance.

[0046] exist Figure 1 , 2 In order to facilitate the clamping of the spring piece 5 and reduce the installation and fixing steps, in one embodiment of this utility model, two limiting posts 11 are respectively set on both sides of one end of the base 1, and two limiting holes 211 are provided on both sides of the horizontal plate 21. The two limiting holes 211 are connected to the two limiting posts 11 one by one to limit and fix the U-shaped fixing block 2.

[0047] exist Figure 1 , 2In this invention, considering the placement of the spring piece 5 and to prevent its displacement, in one embodiment, the elasticity testing device includes a pad 6. One side of the pad 6 has a first hole 61 that matches a limiting post 11 to limit and fix the pad 6. Simultaneously, the other side of the pad 6 has two sets of circular protrusions 62 of different diameters. These protrusions 62 engage with the through holes 511 of the fixing end 51 of the spring piece 5 to fix it. The pad 5 is fixed to the base 1 through the first hole 61 and the limiting post 11. Furthermore, the engagement of the circular protrusions 62 of the pad 6 and the through holes 511 of the fixing end 51 of the spring piece 5 facilitates quick positioning and placement of the spring piece 5, improving work efficiency.

[0048] exist Figure 1 , 2 In order to improve the efficiency of the installation and connection of the base 1 and the U-shaped fixing block 2, in one embodiment of this utility model, the top end of the limiting post 11 is provided with a chamfer 111. The chamfer 111 facilitates the guiding of the limiting post 11 into the limiting hole 211 of the horizontal plate 21 of the U-shaped fixing block 2, thereby improving the working efficiency.

[0049] exist Figure 1 , 2 In order to meet the testing of different pressing distances of the spring piece 5 and improve the testing efficiency, in one embodiment of this utility model, the sliding block 4 is provided with multiple sets of scale lines 41. During the pressing process of the sliding block 4, when a certain scale line 411 coincides with the upper boundary line of the sliding hole 31 of the raised end 52 away from the spring piece 5, it can be determined that the corresponding pressing distance has been reached, and the force measuring machine can then measure the elastic force of the spring piece 5 at the corresponding pressing distance.

[0050] Through the above technical solution, the testing device includes a base, a U-shaped fixing block, a limiting sliding seat, and a sliding block. The horizontal plate of the U-shaped fixing block matches one end of the base to clamp the fixed end of the spring sheet. The limiting sliding seat is fixedly set on the top of the horizontal plate, and a sliding hole is opened on the limiting sliding seat. One end of the sliding block is connected to an external force measuring machine, and the other end of the sliding block matches the raised end of the spring sheet that passes through the sliding hole and presses down. This allows the force measuring machine to accurately measure the elastic force of the spring sheet by moving the sliding block along the sliding hole and pressing down a suitable distance, thereby determining the quality of the product and improving testing efficiency and reliability. At the same time, the limiting posts of the base and the limiting holes of the horizontal plate are connected one-to-one to fix the base and the U-shaped fixing block. A shim is set and fixed on the base. The through hole of the spring sheet is set on the protrusion of the shim to achieve rapid positioning and placement of the spring sheet. Two sets of circular protrusions with different diameters are set to meet the needs of different sized spring pieces; at the same time, multiple sets of scale lines are set on the sliding block to correspond to different pressing distances of the spring pieces, so as to accurately test the spring force of the spring pieces at different pressing distances; the testing device has a simple structure and is easy to disassemble.

[0051] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention. It should also be noted that the various specific technical features described in the above embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the present invention will not further describe the various possible combinations.

[0052] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A device for testing the elasticity of a shrapnel, characterized in that, The elasticity testing device includes: Base; A U-shaped fixing block is fixedly installed on the top of the base, and the horizontal plate of the U-shaped fixing block matches one end of the base to clamp the fixing end of the spring piece; A limiting sliding seat is fixedly disposed on the top of the horizontal plate, and a sliding hole is provided on the limiting sliding seat; A sliding block, one end of which is connected to an external force measuring machine, and the other end of which matches the raised end of the spring piece that passes through the sliding hole and presses down.

2. The elasticity testing device according to claim 1, characterized in that, The base includes two limiting posts, which are respectively disposed on both sides of one end of the base; Two limiting holes are provided on both sides of the horizontal plate, and the two limiting holes are connected to the two limiting posts one by one to limit and fix the U-shaped fixing block.

3. The elasticity testing device according to claim 2, characterized in that, The elasticity testing device includes a pad disposed on the base, and a first hole is provided on one side of the pad. The first hole matches a limiting post to limit and fix the pad. The other side of the gasket is provided with two sets of circular protrusions of different diameters. The circular protrusions cooperate with the through holes at the fixing end of the spring sheet to fix the spring sheet.

4. The elasticity testing device according to claim 2, characterized in that, The top of the limiting post is chamfered.

5. The elasticity testing device according to claim 1, characterized in that, The sliding block is provided with multiple sets of scale lines.

6. A testing system, characterized in that, The testing system includes an elasticity testing device and a force measuring machine. The elasticity testing device includes: Base; A U-shaped fixing block is fixedly installed on the top of the base, and the horizontal plate of the U-shaped fixing block matches one end of the base to clamp the fixing end of the spring piece; A limiting sliding seat is fixedly disposed on the top of the horizontal plate, and a sliding hole is provided on the limiting sliding seat; A sliding block, one end of which is connected to the force measuring machine, and the other end of which matches the raised end of the spring piece that passes through the sliding hole and presses down.

7. The testing system according to claim 6, characterized in that, The base includes two limiting posts, which are respectively disposed on both sides of one end of the base; Two limiting holes are provided on both sides of the horizontal plate, and the two limiting holes are connected to the two limiting posts one by one to limit and fix the U-shaped fixing block.

8. The testing system according to claim 7, characterized in that, The elasticity testing device includes a pad, which is disposed on the base, and a first hole is provided on one side of the pad. The first hole matches the limiting post to limit and fix the pad. The other side of the gasket is provided with two sets of circular protrusions of different diameters. The circular protrusions cooperate with the through holes at the fixing end of the spring sheet to fix the spring sheet.

9. The testing system according to claim 7, characterized in that, The top of the limiting post is chamfered.

10. The testing system according to claim 6, characterized in that, The sliding block is provided with multiple sets of scale lines.