Clamp for testing temperature bending performance of diaphragm capsule

Abstract

The utility model 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 utility model, 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.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure instrument / equipment testing, and specifically provides a clamp for testing the temperature bending performance of a membrane box. Background Art

[0002] The thermal deflection performance of a membrane cartridge (see Chapter 7, "Elastic Component Processing," Aviation Manufacturing Engineering Handbook (2nd Edition), Aviation Industry Press, Editorial Board of Aviation Manufacturing Engineering Handbook, December 2021) assesses the dimensional change of the membrane cartridge when transferred from -50°C alcohol to 70°C hot water. Current test fixtures can only test the thermal deflection performance of membrane cartridges with threaded external interfaces. Testing three stacked membrane cartridges simultaneously with flat, unthreaded external interfaces is not possible. Utility Model Content

[0003] The purpose of the utility model is to realize the test of the temperature bending performance of a stacked membrane box group.

[0004] The technical solution of the utility model 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, which is adapted to the dial indicator 5. The detection end of the dial indicator can extend downward through the through-hole. The locking nut 4 is transversely arranged in the through-hole and is threadedly engaged with the through-hole. Rotating the locking nut can tighten and fix the dial indicator.

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

[0008] The depth of the tray is sufficient to accommodate a plurality of stacked film boxes, and a plurality of through holes are formed on 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 film 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 utility model has the advantages that: the utility model 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 at one time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the use of the utility model;

[0017] Figure 3 This is a schematic diagram of the operation of the utility model;

[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 described more fully with reference to the accompanying drawings, in which some (but not all) of the disclosed examples are shown. In fact, many different examples can be described and these examples should not be construed as limited to the examples set forth herein. Instead, these examples are described so that this disclosure will be thorough and complete and will fully convey the scope of the 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, which is adapted to the dial indicator 5. The detection end of the dial indicator can extend downward through the through-hole. The locking nut 4 is transversely arranged in the through-hole and is threadedly engaged with the through-hole. Rotating the locking nut can tighten and fix the dial indicator.

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

[0024] The depth of the tray is sufficient to accommodate a plurality of stacked film boxes, and a plurality of through holes are formed on 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 various advantageous arrangements has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the examples disclosed. Many modifications and variations will be apparent to those skilled in the art. In addition, different advantageous examples may describe different advantages compared to other advantageous examples. The selected example or examples are chosen and described to best illustrate the principles of the examples, their practical application, and to enable those skilled 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 by: include: C-frame, tray, lock 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 indicator, the detection end of the dial indicator can extend downward through the through hole, the locking nut is transversely arranged in the through hole and is threadedly engaged with the through hole, and rotating the locking nut can compress and fix the dial indicator; The lower part of the C-shaped frame is provided with a mounting threaded interface, and a stud is formed downwardly from the bottom center of the tray. The stud is threadedly engaged with the threaded interface and is 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 on the bottom of the tray.

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

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

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

Images