A comprehensive position degree detection jig

By designing a comprehensive positional measurement fixture and utilizing a component structure that allows for quick insertion and disassembly, the problems of incomplete measurement and poor flexibility of existing measurement fixtures are solved, achieving more comprehensive measurement results and convenient mobile use.

CN224593864UActive Publication Date: 2026-08-04JIANGSU XINBODA PRECISION AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU XINBODA PRECISION AUTO PARTS CO LTD
Filing Date
2025-09-23
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing position measurement fixtures have incomplete detection effects, poor measurement flexibility, are inconvenient to move and disassemble, and have poor usage results.

Method used

A comprehensive position measurement fixture was designed, comprising components such as a base plate, legs, a reference V-seat, a reference seat, a bracket, a support, and a measuring pin. It enables multi-angle hole position measurement through quick insertion and disassembly, and combines a hole gauge and a coaxial measuring pin for comprehensive inspection.

Benefits of technology

It achieves more comprehensive detection results, improves detection flexibility and convenience, and is easy to use on mobile devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of comprehensive position degree detection fixture, including bottom plate, locking lug and locking buckle slot insert and connect, the mounting buckle and the mounting buckle slot insert and connect, the side surface of the piece to be detected is provided with through-hole, 0 ° measuring pin and through-hole insert and connect.This kind of comprehensive position degree detection fixture can be inserted and disassembled by support and splicing bolt 77 ° support, 70.5 ° support and 90 ° support are quickly, and can be moved disassembled and used by mounting bolt and support leg quickly, convenient to use, and can be inserted respectively by angle measuring pin 77 ° support, 70.5 ° support and 90 ° support, and by 0 ° measuring pin inserts 0 ° support in different angle hole position detection, and can be carried out by hole through stop gauge opening precision detection, and can be carried out by second coaxial measuring pin and first coaxial measuring pin end hole detection, more comprehensive detection, and can be detected more flexible, use effect is good.
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Description

Technical Field

[0001] This utility model relates to the field of positional accuracy detection technology, specifically to a comprehensive positional accuracy detection fixture. Background Technology

[0002] All workpieces after processing and production need to be inspected. Only when all the test data meet the standards can they be considered qualified products. Among them, the positional accuracy test of a certain type of workpiece is more complicated. The workpiece has multiple three-dimensionally distributed holes, making it very difficult to test its positional accuracy.

[0003] A position measurement fixture (CN201320345693.9) is available that can perform position measurement on workpieces with multiple three-dimensionally distributed holes. It is simple to operate, quick to measure, effectively improves the detection speed, ensures the detection accuracy of the workpiece, and reduces the labor intensity of workers. However, it has shortcomings. The detection effect of the existing equipment is not comprehensive, and the measurement flexibility is not good. It is inconvenient to move and disassemble, and the use effect is not good. Therefore, a comprehensive position measurement fixture is needed to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a comprehensive positional measurement fixture to solve the problems mentioned in the background art, such as incomplete detection effect, poor measurement flexibility, inconvenient movement and disassembly, and poor use effect of the positional measurement fixture.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a comprehensive positional measurement fixture, comprising a base plate, with legs fixedly connected to the lower corner of the base plate, and reference V-shaped seats bolted to both sides of the upper end of the base plate, with the workpiece to be measured placed on the inner wall of the reference V-shaped seats. A reference seat is bolted to one edge of the upper end of the base plate, and a total length support is bolted to the other edge of the upper end of the base plate. A total length go / no-go gauge is inserted and connected to the left front side of the total length support. A splicing pin is vertically fixed to the front side of the end, and a bracket is fitted onto the outer side of the splicing pin. A 77° support, a 70.5° support, and a 90° support are fixedly connected to the upper end of the bracket, and angle bushings are inserted into the upper ends of the 77°, 70.5°, and 90° supports. Angle measuring pins are inserted into the inner walls of the angle bushings. A 0° support is fixedly fixed parallel to the front edge of the upper end of the base plate, and a 0° bushing is inserted into the front side of the 0° support. The inner wall is fitted with a 0° measuring pin. A go / no-go gauge is fitted to the middle of the front side of the upper end of the base plate. The inner walls of the total length support and the reference base are fitted with end face bushings. The inner wall of the total length support is fitted with a second coaxial measuring pin. The inner wall of the reference base is fitted with a first coaxial measuring pin. The inner wall of the support leg is fitted with a mounting pin. The lower end of the mounting pin is fixedly connected to a mounting base. One side edge of the upper end of the reference V-base is rotatably connected to a spring shaft. The other side of the spring shaft is fixedly connected to a cover plate. The lower end of the cover plate is fixedly connected to a pressing block. One side edge of the upper end of the reference V-base is protruding and fixedly connected to a mounting buckle. One side of the mounting buckle is elastically connected to a locking protrusion. One side edge of the lower end of the cover plate is provided with a mounting buckle groove. One side of the inner wall of the mounting buckle groove is provided with a locking buckle groove. The locking protrusion is fitted with the locking buckle groove. The mounting buckle is fitted with the mounting buckle groove. The side of the part to be tested is provided with a through hole. The 0° measuring pin is fitted with the through hole.

[0006] Preferably, the base plate is connected to the mounting seat in a limiting engagement manner via mounting pins and support legs, and the bracket is connected to the base plate in a positioning engagement manner via mounting pins.

[0007] Preferably, the test piece is positioned relative to the base plate via a reference V-shaped seat, and the test piece is fixedly connected to the reference V-shaped seat via a cover plate and a pressing block. The cover plate is elastically flipped to the reference V-shaped seat via a spring shaft, and the cover plate is locked to the reference V-shaped seat via a locking protrusion and a locking groove.

[0008] Preferably, the part to be tested is clamped to the base plate by means of a reference base and a total length support, and the second coaxial measuring pin and the first coaxial measuring pin are connected to the part to be tested by means of end face insertion by means of the reference base and the total length support.

[0009] Preferably, the 77° support, 70.5° support and 90° support are distributed in three sets of angle support on the outer wall of the part to be tested, and the angle measuring pin is connected to the 77° support, 70.5° support and 90° support in a limiting insertion connection through the angle bushing.

[0010] Preferably, the 0° supports are distributed in six groups on the base plate, and the 0° supports are connected to the test piece in the through hole through the 0° measuring pin. The through hole gauge is connected to the through hole in a limiting insertion connection.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This comprehensive position detection fixture can quickly assemble and disassemble the 77° support, 70.5° support, and 90° support through the bracket and splicing pins. It can also be quickly moved and disassembled for use by installing pins and legs, making it convenient to use. Moreover, angle measuring pins can be inserted into the 77° support, 70.5° support, and 90° support respectively, and the 0° measuring pin can be inserted into the 0° support to detect the hole position at different angles. Furthermore, the hole opening accuracy can be detected by using a hole go / no-go gauge, and the end hole can be detected by using the second coaxial measuring pin and the first coaxial measuring pin. The detection is more comprehensive and flexible, and the use effect is better. Attached Figure Description

[0012] Figure 1 This is a top view of a comprehensive position detection fixture according to the present invention;

[0013] Figure 2 This is a side view of the internal structure of a comprehensive position detection fixture according to this utility model;

[0014] Figure 3 This is a side view of the internal structure of the reference V-shaped seat of the integrated position detection fixture of this utility model;

[0015] Figure 4 This utility model provides a comprehensive positional detection fixture. Figure 2 Enlarged view of point A in the middle;

[0016] Figure 5 This utility model provides a comprehensive positional detection fixture. Figure 3 Enlarged view of section B in the middle.

[0017] In the diagram: 1. Base plate, 2. Reference V-shaped seat, 3. Part to be tested, 4. Angle bushing, 5. Angle measuring pin, 6. Overall length support, 7. Second coaxial measuring pin, 8. Overall length go / no-go gauge, 9. 77° support, 10. 0° measuring pin, 11. 0° bushing, 12. 70.5° support, 13. Hole go / no-go gauge, 14. 0° support, 15. 90° support, 16. End face bushing, 17. First coaxial measuring pin, 18. Reference seat, 19. Bracket, 20. Mounting pin, 21. Mounting seat, 22. Splicing pin, 23. Support leg, 24. Spring shaft, 25. Cover plate, 26. Extrusion block, 27. Through hole, 28. Locking protrusion, 29. Locking groove, 30. Mounting groove, 31. Mounting block. Detailed Implementation

[0018] 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.

[0019] Please see Figure 1-5This utility model provides a technical solution: a comprehensive positional measurement fixture, comprising a base plate 1, a reference V-shaped seat 2, a workpiece to be tested 3, an angle bushing 4, an angle measuring pin 5, a total length support 6, a second coaxial measuring pin 7, a total length go / no-go gauge 8, a 77° support 9, a 0° measuring pin 10, a 0° bushing 11, a 70.5° support 12, a hole go / no-go gauge 13, a 0° support 14, a 90° support 15, an end face bushing 16, a first coaxial measuring pin 17, a reference seat 18, a bracket 19, a mounting pin 20, a mounting seat 21, a splicing pin 22, a support leg 23, a spring shaft 24, a cover plate 25, a pressing block 26, a through hole 27, a locking protrusion 28, a locking groove 29, a mounting groove 30, and a mounting block 3. 1. A support leg 23 is fixedly connected to the lower corner of the base plate 1. A reference V-shaped seat 2 is bolted to both sides of the upper end of the base plate 1. The part to be tested 3 is placed on the inner wall of the reference V-shaped seat 2. The base plate 1 is connected to the mounting base 21 by the mounting pin 20 and the support leg 23 in a limiting insertion splicing connection. The bracket 19 is connected to the base plate 1 by the mounting pin 20 in a positioning insertion splicing connection. This makes it easy and quick to install and disassemble the base plate 1 and the bracket 19, and the installation is more flexible. The part to be tested 3 is placed in a limiting position with the base plate 1 by the reference V-shaped seat 2. The part to be tested 3 is fixedly connected to the reference V-shaped seat 2 by the cover plate 25 and the pressing block 26. The cover plate 25 is elastically flipped to the reference V-shaped seat 2 by the spring shaft 24. The cover plate 25 is also connected by the locking protrusion. 28. The locking groove 29 is locked to the reference V seat 2, allowing the test piece 3 to be stably and securely installed. The cover plate 25 is easy to open and close. The test piece 3 is clamped to the base plate 1 via the reference seat 18 and the total length support 6. The second coaxial measuring pin 7 and the first coaxial measuring pin 17 are connected to the test piece 3 via the reference seat 18 and the total length support 6, allowing the test piece 3 to be supported by the total length support 6 and limited by the base plate 1. It can also be inspected through the end holes of the second coaxial measuring pin 7 and the first coaxial measuring pin 17. The reference seat 18 is bolted to one side of the upper edge of the base plate 1, and the total length support 6 is bolted to the other side of the upper edge of the base plate 1. A total length go / no-go gauge 8 is inserted and connected to the front left side. A splicing pin 22 is vertically fixed to the front upper end of the base plate 1, and a bracket 19 is sleeved and connected to the outside of the splicing pin 22. A 77° support 9, a 70.5° support 12, and a 90° support 15 are fixedly connected to the upper end of the bracket 19, and angle bushings 4 are inserted and connected to the upper ends of the 77° support 9, 70.5° support 12, and 90° support 15. The 77° support 9, 70.5° support 12, and 90° support 15 are distributed in three sets of angle support on the outer wall of the part to be tested 3. Angle measuring pin 5 is connected to the 77° support 9, 70.5° support 12, and 90° support 15 through the angle bushing 4 in a limiting insertion connection, so that the 77° support 9, 70.5° support 12, and 90° support 15 are fixedly connected.The 5° support 12 and 90° support 15 can be used to detect three different angle hole positions through the angle measuring pin 5. The angle bushing 4 is inserted and connected to the inner wall of the angle measuring pin 5. The upper front edge of the base plate 1 is fixedly connected to the 0° support 14, and the front side of the 0° support 14 is inserted and connected to the 0° bushing 11. The 0° supports 14 are distributed in six groups on the base plate 1, and the 0° supports 14 are inserted into the through hole 27 through the 0° measuring pin 10 and are inserted into the workpiece 3 to be tested. The connection is such that the through-hole gauge 13 and the through-hole 27 are in a limiting engagement connection, allowing the 0° support 14 to be inspected in six groups, and the through-hole 27 can be accurately inspected through the through-hole gauge 13, making operation flexible. The inner wall of the 0° bushing 11 is fitted with a 0° measuring pin 10. The through-hole gauge 13 is placed against the middle of the front side of the upper end of the base plate 1. The inner walls of the total length support 6 and the reference base 18 are fitted with an end face bushing 16, and the inner wall of the total length support 6 is also fitted with a 0° measuring pin 10. A second coaxial measuring pin 7 is connected to the wall via an insertion joint. A first coaxial measuring pin 17 is connected to the inner wall of the reference base 18 via an insertion joint. A mounting pin 20 is connected to the inner wall of the support leg 23 via an insertion joint, and a mounting base 21 is fixedly connected to the lower end of the mounting pin 20. A spring shaft 24 is rotatably connected to one side of the upper end of the reference V-base 2, and a cover plate 25 is fixedly connected to the other side of the spring shaft 24. A pressing block 26 is fixedly connected to the lower end of the cover plate 25. A mounting buckle 31 is protruding and fixedly connected to one side of the upper end of the reference V-base 2, and a locking protrusion 28 is elastically connected to one side of the mounting buckle 31. A mounting buckle groove 30 is opened on one side of the lower end of the cover plate 25, and a locking buckle groove 29 is opened through one side of the inner wall of the mounting buckle groove 30. The locking protrusion 28 and the locking buckle groove 29 are inserted and connected. The mounting buckle 31 and the mounting buckle groove 30 are inserted and connected. A through hole 27 is opened on the side of the part to be tested 3, and a 0° measuring pin 10 is inserted and connected to the through hole 27.

[0020] Working principle: When using this comprehensive position measurement fixture, firstly, insert the part 19 into the nine through holes 27 of the product. If the through end passes through and the stop end does not, the hole size is qualified. Next, place the part 3 to be tested into the reference V seat 2, close to the reference seat 18. Then, insert six 0° measuring pins 10 into the 0° support 14. If the measuring pins pass through, the position of the six through holes 27 is qualified. Next, insert the first coaxial measuring pin 17 into the reference seat 18. If the measuring pin passes through, the side hole coaxiality is qualified. Insert the second coaxial measuring pin 7 into the total length support 6. If the measuring pin passes through, the side hole coaxiality is qualified. Then, proceed according to... Next, insert angle measuring pins 5 into the 77° support 9, 70.5° support 12, and 90° support 15. If the measuring pins pass through, the positions of the three 3.2° angle holes are qualified. Then, insert the overall length go / no-go gauge 8. If the go end passes through and the no-go end does not pass through, the overall length dimension is qualified. When the 77° support 9, 70.5° support 12, and 90° support 15 are damaged, they can be quickly disassembled and replaced by splicing pins 22. When it needs to be moved for use, it can be quickly disassembled and used by installing pins 20 and legs 23. It is convenient to use. This is the usage process of this comprehensive position measurement fixture.

[0021] It should be noted that this utility model is a comprehensive position detection fixture. All components are standard parts or parts known to those skilled in the art. Its structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Furthermore, all electrical components mentioned above refer to power elements, electrical components, and the matching monitoring computer and power supply connected by wires. The specific connection method should refer to the working principle described above, and the electrical connection between each electrical component should be completed in the order of operation. The detailed connection method is a well-known technology in the field.

[0022] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] Although the present invention 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 invention should be included within the protection scope of the present invention.

Claims

1. A comprehensive positional measurement fixture, comprising a base plate (1), wherein a support leg (23) is fixedly connected to the lower corner of the base plate (1), and a reference V-shaped seat (2) is bolted to both sides of the upper end of the base plate (1), and a part to be measured (3) is placed on the inner wall of the reference V-shaped seat (2), characterized in that: A reference seat (18) is bolted to one side of the upper end of the base plate (1), and a total length support (6) is bolted to the other side of the upper end of the base plate (1). A total length go / no-go gauge (8) is inserted into the left front side of the total length support (6). A splicing pin (22) is vertically fixed to the front side of the upper end of the base plate (1), and a bracket (19) is sleeved on the outside of the splicing pin (22). A 77° support (9), a 70.5° support (12), and a 90° support (15) are fixedly connected to the upper end of the bracket (19). The 77° support (9), 70.5° support (12), and 90° support (15) are respectively fixed to the upper end of the bracket (19). Angle bushings (4) are inserted and connected to the upper ends of the 0.5° support (12) and the 90° support (15). Angle measuring pins (5) are inserted and connected to the inner wall of the angle bushings (4). A 0° support (14) is fixedly connected parallel to the front edge of the upper end of the base plate (1), and a 0° bushing (11) is inserted and connected to the front side of the 0° support (14). A 0° measuring pin (10) is inserted and connected to the inner wall of the 0° bushing (11). A hole go-no-go gauge (13) is placed in close contact with the middle position of the front side of the upper end of the base plate (1). The inner walls of the total length support (6) and the reference base (18) are inserted and connected. The end face bushing (16) and the inner wall of the total length support (6) are connected to the second coaxial measuring pin (7), the inner wall of the reference seat (18) is connected to the first coaxial measuring pin (17), the inner wall of the support leg (23) is connected to the mounting pin (20), and the lower end of the mounting pin (20) is fixedly connected to the mounting seat (21), the upper edge of the reference V seat (2) is rotatably connected to the spring shaft (24), and the other side of the spring shaft (24) is fixedly connected to the cover plate (25), the lower end of the cover plate (25) is fixedly connected to the pressing block (26), the reference V seat ( 2) A mounting buckle (31) is fixedly connected to the upper edge of one side, and a locking protrusion (28) is elastically connected to one side of the mounting buckle (31). A mounting buckle groove (30) is opened on one side of the lower edge of the cover plate (25), and a locking buckle groove (29) is opened through one side of the inner wall of the mounting buckle groove (30). The locking protrusion (28) is inserted into the locking buckle groove (29), the mounting buckle (31) is inserted into the mounting buckle groove (30), and a through hole (27) is opened on the side of the test piece (3). The 0° measuring pin (10) is inserted into the through hole (27).

2. The integrated position and tolerance measurement tool of claim 1, wherein: The base plate (1) is connected to the mounting base (21) by means of mounting pin (20) and support leg (23) in a limiting engagement splicing connection, and the bracket (19) is connected to the base plate (1) by means of mounting pin (20) in a positioning engagement splicing connection.

3. The integrated position and tolerance measurement tool of claim 2, wherein: The test piece (3) is positioned relative to the base plate (1) via the reference V seat (2), and the test piece (3) is fixedly connected to the reference V seat (2) via the cover plate (25) and the extrusion block (26). The cover plate (25) is elastically flipped to the reference V seat (2) via the spring shaft (24), and the cover plate (25) is locked to the reference V seat (2) via the locking protrusion (28) and the locking groove (29).

4. The integrated position and angle measurement tool of claim 3, wherein: The test piece (3) is clamped to the base plate (1) by the reference base (18) and the total length support (6), and the second coaxial measuring pin (7) and the first coaxial measuring pin (17) are connected to the test piece (3) by the reference base (18) and the total length support (6) in an end face insertion connection.

5. The integrated position and angle measurement tool of claim 4, wherein: The 77° support (9), 70.5° support (12) and 90° support (15) are distributed in three sets of angle support on the outer wall of the part to be tested (3). The angle measuring pin (5) is connected to the 77° support (9), 70.5° support (12) and 90° support (15) through the angle bushing (4) in a limiting insertion connection.

6. The integrated position and angle measurement tool of claim 5, wherein: The 0° support (14) is distributed in six groups on the base plate (1), and the 0° support (14) is connected to the test piece (3) in the through hole (27) by the 0° measuring pin (10). The hole go-no-go gauge (13) is connected to the through hole (27) in a limiting insertion connection.