A turnover spring positioning mechanism for a testing fixture

CN224927831UActive Publication Date: 2026-11-03CHANGCHUN ZHONGTUO MOLDING TECH
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Patent Information

Application Number
CN202522426531.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-17
Publication Date
2026-11-03
Estimated Expiration
2035-11-17

AI Technical Summary

Technical Problem

The positioning mechanism of common inspection fixtures uses a sliding structure to squeeze the edge of the product, causing product deformation and reducing the accuracy of positioning.

Method used

The device employs a flip-spring positioning mechanism, which combines a compression structure and a pulling structure. A hydraulic cylinder drives a piston rod to push a push block, causing the compression block to rotate upwards. The stop block and the compression block are used to compress and position the inner and outer edges of the product, reducing deformation.

Benefits of technology

It achieves precise product positioning, reduces deformation, and improves positioning accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of turnover spring positioning mechanisms for testing fixture, it is related to detection tooling technical field, including fixed base, extrusion structure and pull structure, extrusion structure is set to the top of fixed base, extrusion structure is used to extrude positioning to product, extrusion structure includes extrusion block, extrusion block is set to the top of fixed base, extrusion block is set in L shape;Pull structure is set on extrusion structure, and pull structure is used to push extrusion structure;The utility model places product above limit block, limit block supports product, and product positioning point is between baffle and extrusion block, with the operation of piston rod driven by hydraulic cylinder, drive push block horizontal to one side, the top of push block extrudes and drives fixed block, so that extrusion block rotates upwards, one end of extrusion block extrudes product, product edge is extruded using baffle and extrusion block, and product is accurately positioned and installed.
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Description

Technical Field

[0001] This utility model relates to the field of testing tooling, and in particular to a flip spring positioning mechanism for inspection tools. Background Technology

[0002] Inspection fixtures, also known as testing tools or test fixtures, are auxiliary tools, devices, or equipment specially designed and manufactured to quickly, accurately, and efficiently inspect the size, function, performance, or specific state of products during production and quality control processes, simplifying complex measurement or testing processes into simple judgments.

[0003] When using common inspection fixtures, the product to be inspected is placed on the fixture, and the positioning mechanism on the fixture is used to position and fix the product. Common positioning mechanisms often use a sliding structure, which moves the fixture inward to clamp and fix the product. However, sliding positioning structures often squeeze the outer edge of the product, causing the edge of the product to deform inward. This deformation reduces the accuracy of product positioning. Utility Model Content

[0004] The purpose of this invention is to provide a flip spring positioning mechanism for inspection fixtures to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a flip spring positioning mechanism for a gauge, comprising: Fixed base; An extrusion structure is disposed at the top of a fixed base and is used to extrude and position the product. A pulling structure is disposed on an extrusion structure, and the pulling structure is used to push the extrusion structure.

[0006] Preferably, the extrusion structure includes: An extrusion block, which is disposed at the top of the fixed base and is L-shaped; A fixed shaft is rotatably connected to the top of the extrusion block, and both ends of the fixed shaft are rotatably connected to the top of the fixed base; A torsion spring is movably sleeved on a fixed shaft, and the other end of the torsion spring is in contact with the top of the fixed seat.

[0007] Preferably, the extrusion structure further includes: A fixing block, one end of which is fixedly connected to the lower surface of one end of the extrusion block, the fixing block being L-shaped; A protrusion, which is fixedly connected to the upper surface of one end of a fixed block; A limiting block is disposed at one end of a fixed block, and the top of the limiting block is L-shaped.

[0008] Preferably, the extrusion structure further includes: A stop block, which is fixedly connected to the front of the top of the limiting block and is positioned above the fixed block; A groove is provided at the bottom of the extrusion block, and a torsion spring is provided inside the groove, with one end of the torsion spring fixedly connected to the inner wall of the groove.

[0009] Preferably, the pulling structure includes: A hydraulic cylinder, which is fixedly installed on the back of the limiting block; The piston rod is connected to the output end of the hydraulic cylinder in a transmission manner; A through groove is provided on the top of the limiting block, and the through groove is slidably intersected with the piston rod.

[0010] Preferably, the pulling structure further includes: Mounting block, the mounting block being fixedly connected to one end of the piston rod; A pushing block is fixedly connected to the upper surface of the mounting block, and the top end of the pushing block is in contact with the lower surface of the mounting block; A sleeve is fixedly installed in a through groove, and the sleeve and the piston rod are slidably interlocked.

[0011] The technical effects and advantages of this utility model are as follows: By placing the product above the limiting block, which supports the product, and positioning the product between the stop block and the extrusion block, the hydraulic cylinder drives the piston rod to move, causing the push block to move horizontally to one side. The top of the push block presses against the fixed block, causing the extrusion block to rotate upward. One end of the extrusion block presses against the product. By using the stop block and the extrusion block to press against the inner and outer edges of the product, the deformation and extrusion of the product are reduced, and the product is accurately positioned and installed. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0013] Figure 2 This is a side cross-sectional view of the extrusion block of this utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the push block of this utility model.

[0015] In the diagram: 1. Fixed seat; 2. Extrusion structure; 21. Extrusion block; 22. Fixed shaft; 23. Torsion spring; 24. Fixed block; 25. Protrusion; 26. Limiting block; 27. Stop block; 3. Pulling structure; 31. Hydraulic cylinder; 32. Piston rod; 33. Through groove; 34. Mounting block; 35. Pushing block; 36. Sleeve. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] This invention provides, for example Figures 1-3 The flip spring positioning mechanism for a gauge shown includes a fixed base 1, a pressing structure 2, and a pulling structure 3. The pressing structure 2 is disposed at the top of the fixed base 1, and the bottom end of the fixed base 1 is fixedly connected to the mounting plate. The pressing structure 2 is used to press and position the positioning point of the product. The pulling structure 3 is disposed on the pressing structure 2 and is used to push the pressing structure 2 to press and position the product.

[0018] Example 1: The extrusion structure 2 includes an extrusion block 21, a fixed shaft 22, a torsion spring 23, a fixed block 24, a protrusion 25, a limiting block 26, a stop block 27, and a groove. The extrusion block 21 is disposed at the top of the fixed base 1 and is L-shaped. One end of the extrusion block 21 is used to extrude and fix the positioning point of the product. The fixed shaft 22 is rotatably connected to the top of the extrusion block 21, and both ends of the fixed shaft 22 are rotatably connected to the top of the fixed base 1. The bottom of the extrusion block 21 is rotatably connected to the top of the fixed base 1 through the fixed shaft 22, so that the extrusion block 21 rotates around the fixed shaft. 22 rotates; torsion spring 23 is movably sleeved on fixed shaft 22, and the other end of torsion spring 23 is in contact with the top of fixed seat 1. When extrusion block 21 rotates upward, it compresses and deforms torsion spring 23, and uses the elasticity of torsion spring 23 to push extrusion block 21 to rotate; one end of fixed block 24 is fixedly connected to the lower surface of one end of extrusion block 21, and fixed block 24 is L-shaped. Fixed block 24 rotates together with extrusion block 21; protrusion 25 is fixedly connected to the upper surface of one end of fixed block 24. Protrusion 25 rotates together with extrusion block 21 and fixed block 24 to the limit position. The limiting block 26 is located below block 26; it is positioned at one end of the fixing block 24 and is located on the back of the fixing base 1. The limiting block 26 and the fixing base 1 are fixedly mounted on the same mounting plate. The top of the limiting block 26 is L-shaped. When the extrusion block 21 drives the fixing block 24 and the protrusion 25 to rotate upwards, the top of the protrusion 25 fits against the top of the inner wall of the limiting block 26, thus limiting the extrusion block 21. A stop block 27 is fixedly connected to the front of the top of the limiting block 26. The stop block 27 is positioned above the fixing block 24, allowing the product's positioning point to be set... The product is positioned between the stop block 27 and the extrusion block 21. A groove is set at the bottom of the extrusion block 21, and a torsion spring 23 is set in the groove. One end of the torsion spring 23 is fixedly connected to the inner wall of the groove. The groove is used to install and accommodate the torsion spring 23. By placing the product above the limiting block 26, the limiting block 26 supports the product, and the product positioning point is located between the stop block 27 and the extrusion block 21. When the extrusion block 21 rotates upward, one end of the extrusion block 21 presses against the product. The product is positioned and installed by pressing the edge of the product with the stop block 27 and the extrusion block 21.

[0019] Example 2: Based on Example 1, the pulling structure 3 includes a hydraulic cylinder 31, a piston rod 32, a through groove 33, a mounting block 34, a pushing block 35, and a sleeve 36. The hydraulic cylinder 31 is fixedly mounted on the back of the limiting block 26. The hydraulic cylinder 31 is electrically connected to an external power supply via an external switch, and the hydraulic cylinder 31 drives the piston rod 32 to move. The piston rod 32 is drively connected to the output end of the hydraulic cylinder 31, and the piston rod 32 drives the mounting block 34 and the pushing block 35 to move horizontally. The through groove 33 is provided on the top of the limiting block 26, and the through groove 33 is slidably inserted into the piston rod 32. The through groove 33 is used to install and accommodate the sleeve 36. The mounting block 34 is fixedly connected to one end of the piston rod 32. Mounting block 34 is used to fix pushing block 35; pushing block 35 is fixedly connected to the upper surface of mounting block 34, and the top of pushing block 35 is in contact with the lower surface of fixed block 24. By moving pushing block 35 horizontally, the top of pushing block 35 presses against fixed block 24, pushing fixed block 24 and pressing block 21 to rotate upward; sleeve 36 is fixedly installed in through groove 33. Sleeve 36 and piston rod 32 are slidably interlocked. Sleeve 36 is used to install and support piston rod 32 to ensure stable movement of piston rod 32. The piston rod 32 is driven to run by hydraulic cylinder 31, which drives pushing block 35 to move horizontally to one side. The top of pushing block 35 presses against fixed block 24, causing pressing block 21 to rotate upward.

[0020] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flip-spring positioning mechanism for a gauge, characterized in that, include: Fixed base (1); The extrusion structure (2) is disposed at the top of the fixed base (1) and is used to extrude and position the product. A pulling structure (3) is disposed on the extrusion structure (2) and the pulling structure (3) is used to push the extrusion structure (2).

2. The flip spring positioning mechanism for a gauge according to claim 1, characterized in that, The extrusion structure (2) includes: The extrusion block (21) is disposed at the top of the fixed base (1) and is L-shaped. A fixed shaft (22) is rotatably connected to the top of the extrusion block (21), and both ends of the fixed shaft (22) are rotatably connected to the top of the fixed seat (1); Torsion spring (23), which is movably sleeved on fixed shaft (22), and the other end of the torsion spring (23) is in contact with the top of fixed seat (1).

3. The flip-spring positioning mechanism for a gauge according to claim 2, characterized in that, The extrusion structure (2) further includes: A fixing block (24) is fixedly connected at one end to the lower surface of one end of the extrusion block (21), and the fixing block (24) is arranged in an L-shape. A protrusion (25) is fixedly connected to the upper surface of one end of a fixed block (24); Limiting block (26), the limiting block (26) is disposed at one end of the fixing block (24), and the top of the limiting block (26) is L-shaped.

4. The flip-spring positioning mechanism for a gauge according to claim 3, characterized in that, The extrusion structure (2) further includes: The stop block (27) is fixedly connected to the front of the top of the limiting block (26) and is positioned above the fixing block (24); The groove is located at the bottom of the extrusion block (21), and the torsion spring (23) is located inside the groove. One end of the torsion spring (23) is fixedly connected to the inner wall of the groove.

5. A flip-spring positioning mechanism for a gauge according to claim 4, characterized in that, The pulling structure (3) includes: Hydraulic cylinder (31), which is fixedly installed on the back of the limiting block (26); Piston rod (32), which is connected to the output end of hydraulic cylinder (31) in a transmission manner; The through groove (33) is located on the top of the limiting block (26), and the through groove (33) and the piston rod (32) are slidably intersected.

6. A flip-spring positioning mechanism for a gauge according to claim 5, characterized in that, The pulling structure (3) also includes: Mounting block (34), which is fixedly connected to one end of piston rod (32); Push block (35), the push block (35) is fixedly connected to the upper surface of mounting block (34), and the top end of the push block (35) is in contact with the lower surface of fixing block (24); Sleeve (36) is fixedly installed in through groove (33), and sleeve (36) and piston rod (32) are slidably interlocked.