Torsion spring testing fixture

By designing a torsion spring inspection fixture, the process of torsion spring arm angle detection is simplified, the detection efficiency is improved, the problem of cumbersome detection by image measuring instruments in the existing technology is solved, and the rapid judgment of torsion spring arm angle is realized.

CN223710520UActive Publication Date: 2025-12-23CHONGQING XIANGYUE MASCH CO LTD
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Patent Information

Application Number
CN202520017113.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-12-23
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Among existing testing technologies, existing torsion spring gauges have low testing efficiency when detecting the angle of the torsion spring arm.

Method used

A torsion spring inspection tool was designed, including a tool body, a circular groove, a placement groove, a first inspection groove, and a second inspection groove. The tool simplifies the inspection process by placing the two torsion spring arms into the corresponding inspection grooves to determine whether the spring is qualified or not.

Benefits of technology

It improves the efficiency of torsion spring arm angle detection, avoids the cumbersome operation of the image measuring instrument detection process, and reduces the risk of hand injury and equipment damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of torsional spring detection, in particular to a torsional spring detection tool, which comprises a detection tool main body, a circular groove, a placing groove, a first detection groove and a second detection groove, the circular groove, the placing groove, the first detection groove and the second detection groove are all arranged on the detection tool main body, the placing groove is communicated with the circular groove, and the first detection groove is communicated with the second detection groove. The first detection groove and the second detection groove are also communicated with the circular groove; during specific use, the detection tool body is fixed at a designated position, then a torsion spring to be detected is placed in the circular groove and the placement groove, if two torsion spring arms of the torsion spring can be placed in the first detection groove and the second detection groove, the torsion spring is qualified, and if the two torsion spring arms of the torsion spring cannot be placed in the first detection groove and the second detection groove, the torsion spring is qualified. In this way, the technical problem that in the prior art, an image measuring instrument is usually used for detecting the angle of the torsion spring arm, the process is tedious, and the detection efficiency is low is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to torsion spring detection technical field especially relates to a torsion spring testing fixture. BACKGROUND

[0002] The automobile throttle torsion spring is a cylindrical spiral spring that bears torque, which utilizes the lever principle to store or release energy when the throttle is opened or closed, and ensures that the throttle can accurately return to its initial position.

[0003] The existing mode usually uses the image measuring instrument to detect the torsion spring arm angle, which is relatively cumbersome and leads to low detection efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a torsion spring testing fixture, which aims to solve the technical problem of low detection efficiency caused by the cumbersome process of using the image measuring instrument to detect the torsion spring arm angle in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts a kind of torsion spring testing fixture, including testing fixture main body, circular groove, placement slot, first detection slot and second detection slot, the circular groove, the placement slot, the first detection slot and the second detection slot are all set on the testing fixture main body, the placement slot is communicated with the circular groove, the first detection slot and the second detection slot are also communicated with the circular groove;

[0006] The length L1 of the testing fixture main body is 65mm, and the width L2 of the testing fixture main body is 85mm.

[0007] The diameter D1 of the circular groove is 36.9mm.

[0008] The first chamfer structure is provided between the first detection slot and the circular groove, and the radius R1 of the first chamfer structure is 3.4mm.

[0009] The second chamfer structure is provided between the second detection slot and the circular groove, and the radius R2 of the second chamfer structure is 5.4mm.

[0010] The rectangular slot is also communicated with the circular groove, and the width L3 of the rectangular slot is 11mm.

[0011] The distance from the center of the circular groove to the two widths is 28.2mm and 36.8mm respectively.

[0012] The distance L4 from the end of the placement groove to the vertical line of the center of the circular groove is 27.4 mm.

[0013] The main body of the inspection tool also has several fourth rounded corner structures.

[0014] This utility model discloses a torsion spring inspection tool. In practical use, the main body of the tool is first fixed in a designated position, and then the torsion spring to be inspected is placed in the circular groove and the placement groove. If the two torsion spring arms can be placed in the first inspection groove and the second inspection groove, the torsion spring is qualified. If the two torsion spring arms cannot be placed in the first inspection groove and the second inspection groove, the torsion spring is unqualified. This method solves the technical problem that the existing technology usually uses an image measuring instrument to detect the angle of the torsion spring arms, which is a cumbersome process and results in low detection efficiency. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the torsion spring gauge of this utility model.

[0017] Figure 2 This is a side view of the torsion spring gauge of this utility model.

[0018] 101-Inspection fixture body, 102-Circular groove, 103-Placement groove, 104-First inspection groove, 105-Second inspection groove, 106-First rounded corner structure, 107-Second rounded corner structure, 108-Third rounded corner structure, 109-Fourth rounded corner structure. Detailed Implementation

[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0020] Please see Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the torsion spring gauge of this utility model. Figure 2 This is a side view of the torsion spring gauge of this utility model.

[0021] This utility model provides a torsion spring gauge, including a gauge body 101, a circular groove 102, a placement groove 103, a first detection groove 104, and a second detection groove 105. The circular groove 102, the placement groove 103, the first detection groove 104, and the second detection groove 105 are all disposed on the gauge body 101. The placement groove 103 communicates with the circular groove 102, and the first detection groove 104 and the second detection groove 105 are also communicated with the circular groove 102.

[0022] The length L1 of the inspection fixture body 101 is 65mm, and the width L2 of the inspection fixture body 101 is 85mm.

[0023] The diameter D1 of the circular groove 102 is 36.9 mm.

[0024] A first rounded corner structure 106 is provided between the first detection groove 104 and the circular groove 102, and the radius R1 of the first rounded corner structure 106 is 3.4mm.

[0025] A second rounded corner structure 107 is provided between the second detection groove 105 and the circular groove 102, and the radius R2 of the second rounded corner structure 107 is 5.4mm.

[0026] The main body 101 of the inspection tool is also provided with a rectangular groove, which is also connected to the circular groove 102. The width L3 of the rectangular groove is 11mm.

[0027] The distances from the center of the circular groove 102 to the two widths are 28.2 mm and 36.8 mm, respectively.

[0028] The distance L4 from the end of the placement groove 103 to the vertical line from the center of the circular groove 102 is 27.4 mm;

[0029] The width L5 of the placement slot 103 is 1.8 mm.

[0030] The placement groove 103 and the circular groove 102 have a third rounded corner structure 108, and the radius R3 of the third rounded corner structure 108 is 6.7mm.

[0031] In this specific embodiment, during actual use, the main body 101 of the inspection tool is first fixed in a designated position. Then, the torsion spring to be inspected is placed in the circular groove 102 and the placement groove 103. If the two torsion spring arms can be placed in the first detection groove 104 and the second detection groove 105, the torsion spring is qualified. If the two torsion spring arms cannot be placed in the first detection groove 104 and the second detection groove 105, the torsion spring is unqualified. This method solves the technical problem that in the prior art, the process of using an image measuring instrument to detect the angle of the torsion spring arms is cumbersome and results in low detection efficiency.

[0032] The inspection fixture body 101 also has several fourth rounded corner structures 109. By setting the fourth rounded corner structures 109, it is possible to avoid hand injury or equipment damage when picking up the inspection fixture body 101, which may be caused by contact with the hand or other objects.

[0033] In the specific use of the torsion spring inspection tool of this utility model, the main body 101 of the inspection tool is first fixed in a designated position, and then the torsion spring to be inspected is placed in the circular groove 102 and the placement groove 103. If the two torsion spring arms of the torsion spring can be placed in the first detection groove 104 and the second detection groove 105, the torsion spring is qualified. If the two torsion spring arms of the torsion spring cannot be placed in the first detection groove 104 and the second detection groove 105, the torsion spring is unqualified. This method solves the technical problem that the existing technology usually uses an image measuring instrument to detect the angle of the torsion spring arms, which is a cumbersome process and results in low detection efficiency.

[0034] By setting the fourth rounded corner structure 109, it is possible to avoid hand injury or equipment damage when picking up the inspection tool body 101, due to contact with the hand or other objects.

[0035] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A torsion spring gauge, characterized in that, The fixture includes a main body, a circular groove, a placement groove, a first detection groove, and a second detection groove. The circular groove, the placement groove, the first detection groove, and the second detection groove are all disposed on the main body of the fixture. The placement groove is connected to the circular groove, and the first detection groove and the second detection groove are also connected to the circular groove. The length L1 of the main body of the inspection fixture is 65mm, and the width L2 of the main body of the inspection fixture is 85mm.

2. The torsion spring gauge as described in claim 1, characterized in that, The diameter D1 of the circular groove is 36.9 mm.

3. The torsion spring gauge as described in claim 2, characterized in that, A first rounded corner structure is provided between the first detection groove and the circular groove, and the radius R1 of the first rounded corner structure is 3.4mm.

4. The torsion spring gauge as described in claim 3, characterized in that, A second rounded corner structure is provided between the second detection groove and the circular groove, and the radius R2 of the second rounded corner structure is 5.4mm.

5. The torsion spring gauge as described in claim 4, characterized in that, The main body of the inspection tool is also provided with a rectangular groove, which is also connected to the circular groove. The width L3 of the rectangular groove is 11mm.

6. The torsion spring gauge as described in claim 5, characterized in that, The distances from the center of the circular groove to the two widths are 28.2 mm and 36.8 mm, respectively.

7. The torsion spring gauge as described in claim 6, characterized in that, The distance L4 from the end of the placement groove to the vertical line of the center of the circular groove is 27.4 mm.

8. The torsion spring gauge as described in claim 7, characterized in that, The main body of the inspection tool also has several fourth rounded corner structures.