Novel special gauge for bottom guard plate bracket

By designing a new type of special inspection tool for bottom guard brackets, using reference modules and pins for fixing and testing, the problem of low measurement and inspection efficiency in the prior art is solved, and fast and accurate form and position tolerance dimensional detection is achieved.

CN222849932UActive Publication Date: 2025-05-09SHANGHAI JIYI AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421493381.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-05-09
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The prior art is difficult to quickly and accurately measure and verify the shape and position tolerance dimensions of the bottom guard bracket, and it is impossible to achieve batch inspection and timely feedback results.

Method used

A new type of special inspection tool for bottom guard bracket is designed, including inspection tool base, reference module and latch. The bottom guard bracket is fixed through reference module and locking pin, and the pin is used to check whether the dimensions meet the requirements.

Benefits of technology

It realizes rapid and accurate detection of the shape and position tolerance dimensions of the bottom guard bracket, can batch inspection and timely feedback results, and improves detection efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222849932U_ABST
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Abstract

The utility model relates to the technical field of bottom guard plate support testing fixtures, and discloses a novel special testing fixture for a bottom guard plate support, which comprises a testing fixture base, the upper end of the testing fixture base is fixedly connected with a testing fixture benchmark, and the upper end of the testing fixture base is fixedly connected with a B benchmark module, a C benchmark module and an A benchmark module. According to the novel special gauge for the bottom guard plate support, when the first size is detected, after the bottom guard plate support is assembled and fixed, the third plug pin is used for insertion detection, if the third plug pin is smoothly inserted, it is proved that the position degree of the first size is qualified, and in order to meet the production inspection requirement, the second size is divided into two detection states, namely before nut assembling and after nut assembling. The second bolt is used for insertion detection before the nut is assembled, the nut is assembled after the second bolt is smoothly inserted, the first bolt is used for insertion detection after the nut is assembled, the position degree of the second size is qualified if the first bolt is smoothly inserted, and whether the form and location tolerance size of a product is qualified or not can be conveniently and quickly detected.
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Description

Technical Field

[0001] The utility model relates to the technical field of bottom guard plate bracket inspection tools, in particular to a novel special inspection tool for bottom guard plate brackets. Background Art

[0002] At present, the market mostly uses conventional measuring instruments such as vernier calipers and three-coordinate measuring instruments to measure and inspect the dimensions of the bottom guard plate bracket. Vernier calipers cannot measure the geometric tolerance dimensions, and three-coordinate measurement is widely used but time-consuming and labor-intensive, and cannot be used for batch inspection and timely feedback of results.

[0003] The special inspection fixture for the bottom guard plate bracket can easily and quickly check whether the shape and position tolerance dimensions of the bottom guard plate bracket are qualified, such as position accuracy, contour accuracy, etc., so as to verify the assembly performance of the bottom guard plate bracket. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a novel special inspection tool for bottom guard plate bracket, which can effectively solve the problems in the prior art.

[0005] The technical solution adopted by the utility model is: a new type of special gauge for bottom guard plate bracket, including a gauge base, the upper end of the gauge base is fixedly connected with a gauge base, the upper end of the gauge base is fixedly connected with a B reference module, a C reference module and an A reference module, the upper end of the A reference module is adapted to plug-in pin one, the upper end of the A reference module is adapted to plug-in pin two, the upper end of the A reference module is adapted to plug-in pin three, the upper end of the A reference module is adapted to plug-in pin four, the upper end of the B reference module is adapted to plug-in reference locking pin one, and the upper end of the C reference module is adapted to plug-in reference locking pin two.

[0006] Preferably, ten identical A reference modules are provided, the A reference modules represent the A reference positioning required by the drawings, and three identical gauge references are provided.

[0007] Through the above technical solution, a gauge benchmark is set to measure the accuracy of the calibration gauge.

[0008] Preferably, the B reference module represents the B reference positioning required by the drawing, and the C reference module represents the C reference positioning required by the drawing.

[0009] Through the above technical scheme, A reference module, B reference module and C reference module are set up, and the bottom guard plate bracket is positioned, fixed and limited by three reference modules: A reference module, B reference module and C reference module. The bottom guard plate bracket is pressed and fixed using reference locking pin one and reference locking pin two, which is convenient for detecting the shape and position tolerance dimensions that need to be measured.

[0010] Preferably, the size of the latch pin 1 is φ3.92 mm, and seven identical latch pins are provided.

[0011] Through the above technical scheme, pin 1 is set, and there are four dimensions to be tested. In order to facilitate production inspection needs, size 2 is divided into two testing states, one is before assembling the nut, and the other is after assembling the nut. After assembling the nut, pin 1 is used for insertion testing. If pin 1 is successfully inserted, it proves that the position of size 2 is qualified.

[0012] Preferably, the size of the second latch is φ7.9 mm, and seven identical latches are provided.

[0013] Through the above technical solution, the second latch is used for insertion detection before assembling the nut, and the nut is assembled after the second latch is successfully inserted.

[0014] Preferably, the size of the latch pin three is φ10.9 mm, and two identical latch pins are provided.

[0015] Through the above technical solution, when testing dimension one, after the bottom guard plate bracket is assembled and fixed, use pin three to insert the test. If pin three is successfully inserted, it proves that the position of dimension one is qualified.

[0016] Preferably, the size of the latch pin 4 is φ10.4 mm.

[0017] Through the above technical solution, the detection of dimension three is combined with the C reference module. The vertical direction is C reference positioning, and the horizontal direction is the position detection of dimension three. The bottom guard plate bracket can be equipped with the inspection fixture and fixed, which means that the position of dimension three is qualified. When detecting dimension four, after the bottom guard plate bracket is assembled and fixed, use pin four to insert the test. If the pin four is inserted smoothly, it proves that the position of dimension four is qualified.

[0018] Compared with the prior art, the utility model provides a new type of special inspection tool for the bottom guard plate bracket, which has the following beneficial effects:

[0019] 1. The new type of special inspection fixture for the bottom guard plate bracket is equipped with an inspection fixture benchmark to measure the accuracy of the calibration inspection fixture. The A benchmark module, the B benchmark module and the C benchmark module are set. The bottom guard plate bracket is positioned, fixed and limited by the three benchmark modules of the A benchmark module, the B benchmark module and the C benchmark module. The bottom guard plate bracket is pressed and fixed by the benchmark locking pin 1 and the benchmark locking pin 2, which is convenient for detecting the required measurement of the shape and position tolerance size;

[0020] 2. This new type of special inspection fixture for the bottom guard plate bracket has a total of four dimensions that need to be inspected. When inspecting dimension one, after the bottom guard plate bracket is assembled and fixed, use pin three to insert the inspection. If the pin three is successfully inserted, it proves that the position of dimension one is qualified. In order to facilitate production inspection needs, dimension two is divided into two inspection states, one is before assembling the nut, and the other is after assembling the nut. Before assembling the nut, use pin two for insertion inspection, and after the pin two is successfully inserted, the nut is assembled. After assembling the nut, use pin one for insertion inspection. If the pin one is successfully inserted, it proves that the position of dimension two is qualified. The inspection of dimension three is combined with the C reference module, the vertical direction is C reference positioning, and the horizontal direction is the position inspection of dimension three. The bottom guard plate bracket can be equipped with the inspection fixture and fixed, which shows that the position of dimension three is qualified. When inspecting dimension four, after the bottom guard plate bracket is assembled and fixed, use pin four for insertion inspection. If the pin four is successfully inserted, it proves that the position of dimension four is qualified. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the inspection fixture base, B reference module and latch of the utility model;

[0022] Figure 2 This is a schematic diagram of the disassembled structure of the inspection fixture base, B reference module and C reference module of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the bottom guard plate bracket after assembly of the utility model;

[0024] Figure 4 This is an enlarged structural diagram of the first and second latches of the utility model;

[0025] Figure 5 It is a top view of the structure of the bottom guard plate bracket of the utility model before assembly;

[0026] Figure 6 This is a schematic diagram of the top view of the bottom guard plate bracket after assembly of the utility model;

[0027] Figure 7 This is a schematic diagram of the top view of the structure of the bottom guard plate bracket of the utility model after the nut is assembled.

[0028] Among them: 1. Gauge base; 2. Gauge reference; 3. B reference module; 4. C reference module; 5. A reference module; 6. Pin 1; 7. Pin 2; 8. Pin 3; 9. Pin 4; 10. Reference locking pin 1; 11. Reference locking pin 2. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1: Figure 1-7 As shown, the utility model provides a new type of special inspection fixture for the bottom guard plate bracket, including a inspection fixture base 1, a inspection fixture base 2 is fixedly connected to the upper end of the inspection fixture base 1, a B reference module 3, a C reference module 4 and an A reference module 5 are fixedly connected to the upper end of the inspection fixture base 1, the upper end of the A reference module 5 is adapted to plug-in pin 1 6, the upper end of the A reference module 5 is adapted to plug-in pin 2 7, the upper end of the A reference module 5 is adapted to plug-in pin 3 8, the upper end of the A reference module 5 is adapted to plug-in pin 4 9, the upper end of the B reference module 3 is adapted to plug-in reference locking pin 10, and the upper end of the C reference module 4 is adapted to plug-in reference locking pin 2 11.

[0031] Specifically, ten identical A reference modules 5 are provided, and the A reference modules 5 represent the A reference positioning required by the drawing, and three identical gauge references 2 are provided. The advantage is that the gauge reference 2 is provided to measure the accuracy of the calibration gauge.

[0032] Specifically, the B reference module 3 represents the B reference positioning required by the drawing, and the C reference module 4 represents the C reference positioning required by the drawing. The advantage is that the A reference module 5, the B reference module 3 and the C reference module 4 are set, and the bottom guard plate bracket is positioned, fixed and limited by the three reference modules of the A reference module 5, the B reference module 3 and the C reference module 4, and the bottom guard plate bracket is pressed and fixed by the reference locking pin 10 and the reference locking pin 2 11, which is convenient for detecting the required measurement of the shape and position tolerance size.

[0033] Specifically, the size of the pin 1 6 is φ3.92 mm, and there are seven identical pins 1 6. The advantage is that with the pin 1 6, there are four sizes to be tested. In order to facilitate production inspection, the size 2 is divided into two testing states, one before assembling the nut and the other after assembling the nut. After assembling the nut, the pin 1 6 is used for insertion testing. If the pin 1 6 is successfully inserted, it proves that the position of the size 2 is qualified.

[0034] Embodiment 2: Figure 2-7 As shown, as an improvement to the previous embodiment.

[0035] Specifically, the size of the second plug 7 is φ7.9 mm, and seven identical second plugs 7 are provided. The advantage is that the second plug 7 is used for insertion detection before assembling the nut, and the nut is assembled after the second plug 7 is successfully inserted.

[0036] Specifically, the size of the latch 3 8 is φ10.9 mm, and two identical latches 3 8 are provided. The advantage is that when the size 1 is detected, after the bottom guard plate bracket is assembled and fixed, the latch 3 8 is inserted for detection. If the latch 3 8 is inserted smoothly, it proves that the size 1 position is qualified.

[0037] Specifically, the size of the pin 4 9 is φ10.4mm. The advantage is that the detection of dimension 3 is combined with the C reference module 4, the vertical direction is C reference positioning, and the horizontal direction is the position detection of dimension 3. The bottom guard plate bracket can be equipped with a check fixture and fixed, which has shown that the position of dimension 3 is qualified. When detecting dimension 4, after the bottom guard plate bracket is assembled and fixed, the pin 4 9 is used for insertion detection. If the pin 4 9 is successfully inserted, it proves that the position of dimension 4 is qualified.

[0038] Working principle: When in use, the bottom guard plate bracket is positioned and fixed by three reference modules: A reference module 5, B reference module 3 and C reference module 4. The bottom guard plate bracket is pressed and fixed using reference locking pin 10 and reference locking pin 2 11. The shape and position tolerance dimensions to be measured are tested. There are four dimensions to be tested. When testing dimension 1, after the bottom guard plate bracket is assembled and fixed, use pin 3 8 to insert the test. If the pin 3 8 is successfully inserted, it proves that the position of dimension 1 is qualified. In order to facilitate production inspection needs, dimension 2 is divided into two testing states, one is before assembling the nut, and the other is after assembling the nut. Afterwards, before assembling the nut, use pin 2 7 to perform insertion detection. After pin 2 7 is successfully inserted, the nut is assembled. After assembling the nut, use pin 1 6 to perform insertion detection. If pin 1 6 is successfully inserted, it proves that the position of dimension 2 is qualified. The detection of dimension 3 is combined with C reference module 4, the vertical direction is C reference positioning, and the horizontal direction is the position detection of dimension 3. The bottom guard plate bracket can be equipped with the inspection fixture and fixed, which means that the position of dimension 3 is qualified. When detecting dimension 4, after the bottom guard plate bracket is assembled and fixed, use pin 4 9 for insertion detection. If pin 4 9 is successfully inserted, it proves that the position of dimension 4 is qualified.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of special inspection fixture for bottom guard plate support, comprising an inspection fixture base (1), characterized in that: The upper end of the gauge base (1) is fixedly connected with a gauge reference (2), and the upper end of the gauge base (1) is fixedly connected with a B reference module (3), a C reference module (4) and an A reference module (5); the upper end of the A reference module (5) is adapted to be plugged with a first plug pin (6), the upper end of the A reference module (5) is adapted to be plugged with a second plug pin (7), the upper end of the A reference module (5) is adapted to be plugged with a third plug pin (8), the upper end of the A reference module (5) is adapted to be plugged with a fourth plug pin (9), the upper end of the B reference module (3) is adapted to be plugged with a reference locking pin (10), and the upper end of the C reference module (4) is adapted to be plugged with a reference locking pin (11).

2. The new bottom guard plate bracket special inspection tool according to claim 1 is characterized in that: The A reference modules (5) are provided in ten identical numbers, the A reference modules (5) represent the A reference positioning required by the drawing, and the inspection fixture references (2) are provided in three identical numbers.

3. The new bottom guard plate bracket special inspection tool according to claim 1 is characterized in that: The B reference module (3) represents the B reference positioning required by the drawing, and the C reference module (4) represents the C reference positioning required by the drawing.

4. The new bottom guard plate bracket special inspection tool according to claim 1 is characterized in that: The size of the latch pin 1 (6) is φ3.92 mm, and seven identical latch pins 1 (6) are provided.

5. The new bottom guard plate bracket special inspection tool according to claim 1 is characterized in that: The size of the second latch (7) is φ7.9 mm, and seven identical latches (7) are provided.

6. The new bottom guard plate bracket special inspection tool according to claim 1 is characterized by: The size of the latch pin three (8) is φ10.9 mm, and two identical latch pins (8) are provided.

7. The new bottom guard plate bracket special inspection tool according to claim 1 is characterized by: The size of the latch pin 4 (9) is φ10.4 mm.