Clamp for testing temperature bending performance of diaphragm capsule

By designing a C-frame and pallet structure suitable for flat threadless interfaces, the problem that the prior art cannot test the temperature bending performance of multiple superimposed membrane boxes is solved, and effective testing of multiple membrane boxes is achieved.

CN119246223APending Publication Date: 2025-01-03HEFEI JIANGHANG AIRCRAFT EQUIP CORP LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411174382.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-01-03

AI Technical Summary

Technical Problem

Existing test fixtures cannot test diaphragm boxes with flat, non-threaded interfaces on the outside, and cannot test the temperature bending performance of three stacked diaphragm boxes at once.

Method used

A fixture consisting of a C-frame, a tray, a locking nut and a dial meter is designed. There are studs at the bottom of the tray to be fixed to the C-frame. There are cylindrical grooves in the tray to place multiple diaphragm boxes, and they are locked through through holes and locked. Nuts enable rapid drainage, suitable for testing the temperature bending performance of multiple superimposed diaphragm boxes.

Benefits of technology

Effective testing of the temperature bending performance of the diaphragm box with a flat, non-threaded interface on the outside and multiple superimposed diaphragm boxes is achieved, and the testing needs that cannot be achieved in the prior art are met.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119246223A_ABST
    Figure CN119246223A_ABST
Patent Text Reader

Abstract

The invention provides a clamp for testing the temperature bending performance of a diaphragm capsule. The clamp is characterized by comprising a C-shaped frame, a tray, a locking nut and a dial indicator, a fixed through hole is formed in an upper cantilever of the C-shaped frame, the through hole is matched with the dial indicator, the detection end of the dial indicator can penetrate through the through hole to extend downwards, the locking nut is transversely arranged in the through hole and is in threaded fit with the through hole, and the dial indicator can be pressed and fixed by rotating the locking nut; a mounting threaded connector is formed in the lower portion of the C-shaped frame, a stud is downwards formed in the center of the bottom of the tray, and the stud is in threaded fit with the threaded connector and fixed to the C-shaped frame through the threaded connector. A plurality of stacked diaphragm capsules can be placed in the depth of the tray, and a plurality of through holes are formed in the bottom of the tray. According to the invention, the temperature bending performance of a plurality of stacked diaphragm capsules can be tested at one time, wherein the external part is a planar non-threaded interface.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of pressure instrument / equipment testing, and in particular provides a fixture for testing the temperature bending performance of a membrane box. Background Art

[0002] The temperature bending performance of the membrane box (refer to the Elastic Component Process of Aviation Manufacturing Engineering Manual (2nd Edition), Chapter 7, Aviation Industry Press, General Editorial Committee of Aviation Manufacturing Engineering Manual, December 2021) is to assess the change in the size of the membrane box itself when it is transferred from -50°C alcohol to 70°C hot water. The current test fixture can only test the temperature bending performance of the membrane box with a threaded interface on the outside, and cannot test the temperature bending performance of three superimposed membrane boxes with a flat surface and no threaded interface on the outside at one time. Summary of the invention

[0003] The purpose of the present invention is to realize the test of the temperature bending performance of the stacked membrane box group.

[0004] The technical solution of the present invention is:

[0005] Provided is a fixture for testing the temperature bending performance of a membrane box, comprising: a C-shaped frame 1, a tray 3, a locking nut 4 and a dial indicator 5;

[0006] The upper cantilever of the C-shaped frame 1 is provided with a fixed through hole, the through hole is adapted to the dial gauge 5, the detection end of the dial gauge can extend downward through the through hole, the locking nut 4 is transversely arranged in the through hole and matched with the through hole thread, and the dial gauge can be pressed and fixed by rotating the locking nut;

[0007] The lower part of the C-shaped frame is provided with a mounting threaded interface 2, and a stud is formed downwardly at the bottom center of the tray 3, and the stud is threadably matched with the threaded interface and fixed to the C-shaped frame through the threaded interface;

[0008] The depth of the tray is capable of accommodating a plurality of stacked film boxes, and a plurality of through holes are opened at the bottom of the tray;

[0009] Furthermore, a cylindrical groove is formed in the tray, and the cylindrical groove is used to place three stacked membrane boxes.

[0010] Furthermore, four through holes are symmetrically arranged on the bottom of the tray for rapid drainage.

[0011] Furthermore, the C-shaped frame 1 is also provided with a handle.

[0012] Furthermore, the tray is made of metal.

[0013] Furthermore, the tray is a circular groove structure.

[0014] The advantages of the present invention are as follows: the present invention can realize the test of the temperature bending performance of a plurality of superimposed membrane boxes with a flat surface and a non-threaded interface on the outside and at one time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 It is a schematic diagram of the use of the present invention;

[0017] Figure 3 It is a schematic diagram of the use and operation of the present invention;

[0018] Figure 4 It is a schematic diagram of multiple stacked membrane boxes.

[0019] Including: C-type frame 1, threaded interface 2, tray 3, locking nut 4, dial indicator 5. DETAILED DESCRIPTION

[0020] The disclosed examples will be more fully described with reference to the accompanying drawings, in which some (but not all) of the disclosed examples are shown. In fact, many different examples may be described and these examples should not be construed as limited to the examples set forth herein. Instead, these examples are described so that the present disclosure will be thorough and complete and will fully convey the scope of the present disclosure to those skilled in the art.

[0021] Provided is a fixture for testing the temperature bending performance of a membrane box, comprising: a C-shaped frame 1, a tray 3, a locking nut 4 and a dial indicator 5;

[0022] The upper cantilever of the C-shaped frame 1 is provided with a fixed through hole, the through hole is adapted to the dial gauge 5, the detection end of the dial gauge can extend downward through the through hole, the locking nut 4 is transversely arranged in the through hole and matched with the through hole thread, and the dial gauge can be pressed and fixed by rotating the locking nut;

[0023] The lower part of the C-shaped frame is provided with a mounting threaded interface 2, and a stud is formed downwardly at the bottom center of the tray 3, and the stud is threadably matched with the threaded interface and fixed to the C-shaped frame through the threaded interface;

[0024] The depth of the tray is capable of accommodating a plurality of stacked film boxes, and a plurality of through holes are opened at the bottom of the tray;

[0025] A cylindrical groove is formed in the tray, and the cylindrical groove is used for placing three stacked membrane boxes.

[0026] The four through holes are symmetrically arranged on the bottom of the tray for rapid drainage.

[0027] The C-shaped frame 1 is also provided with a handle.

[0028] The description of different advantageous arrangements has been presented for purposes of illustration and description, but the description is not intended to be exclusive or limited to examples of the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. Additionally, different advantageous examples may describe different advantages over other advantageous examples. The selected example or examples are chosen and described in order to best illustrate the principles of the examples, the practical application, and to enable those of ordinary skill in the art to understand the disclosure with various examples with various modifications suitable for the particular use contemplated.

Claims

1. A fixture for testing the temperature bending performance of a membrane box, characterized in that: include: C-frame, tray, locking nut and dial indicator; The upper cantilever of the C-shaped frame is provided with a fixed through hole, the through hole is adapted to the dial gauge 5, the detection end of the dial gauge can extend downward through the through hole, the locking nut is transversely arranged in the through hole and cooperates with the through hole thread, and the locking nut can be rotated to tighten and fix the dial gauge; A mounting threaded interface is provided at the bottom of the C-shaped frame, and a stud is formed downwardly at the bottom center of the tray, and the stud is threadably matched with the threaded interface and fixed to the C-shaped frame through the threaded interface; The depth of the tray can accommodate a plurality of stacked film boxes, and a plurality of through holes are opened at the bottom of the tray.

2. A fixture for testing the temperature bending performance of a membrane box as claimed in claim 1, characterized in that: A cylindrical groove is formed in the tray, and the cylindrical groove is used for placing three stacked membrane boxes.

3. A fixture for testing the temperature bending performance of a membrane box as claimed in claim 1, characterized in that: The four through holes are symmetrically arranged on the bottom of the tray for rapid drainage.

4. A fixture for testing the temperature bending performance of a membrane box as claimed in claim 1, characterized in that: The C-shaped frame 1 is also provided with a handle.

5. A fixture for testing the temperature bending performance of a membrane box as claimed in claim 1, characterized in that: The tray is made of metal.

6. A fixture for testing the temperature bending performance of a membrane box as claimed in claim 1, characterized in that: The tray is a circular groove structure.