Leakage testing device for spring body
By designing a leak test device including air cylinder, stainless steel air pipe and pressure gauge, the problem of simple and low efficiency of spring body leak test methods in the prior art is solved, and a more accurate and efficient leak test operation is achieved.
Patent Information
- Application Number
- CN202323578306.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-27
AI Technical Summary
The existing spring body leak test method is simple, difficult and inefficient, making it difficult to accurately check for fine leakage.
A leak test device including an air cylinder, a stainless steel air pipe, an internal thread ball valve, a pressure gauge, an O-ring and a plug is designed. The sealing property of the spring body is detected by filling the air cylinder with compressed air and observing the pressure gauge value.
The device saves auxiliary time, reduces labor intensity, and improves the accuracy of leak test results.
Smart Images

Figure CN222144432U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a leakage testing device, in particular to a spring body leakage testing device. Background Art
[0002] The existing spring body leak test method is simple, which is to directly connect the joint with a leather tube, block the upper air outlet, apply soapy water around the joint for observation, etc. This leak test operation is difficult, and it is difficult to check for minor leaks and has low efficiency. Utility Model Content
[0003] The utility model aims to solve the above defects and provides a spring body leakage testing device.
[0004] In order to overcome the defects existing in the background technology, the technical solution adopted by the utility model to solve its technical problems is: this spring body leakage testing device includes a workbench and a spring body to be tested, an air cylinder is provided on the workbench, the lower end of the air cylinder is connected to a stainless steel air pipe, an internal threaded ball valve is provided on the air pipe, a pressure gauge is connected to the stainless steel air pipe through a spherical tee, the spring body to be tested is connected to the air cylinder, and a plug is connected to the air cylinder.
[0005] According to another embodiment of the utility model, an O-ring is further provided at the connection between the spring body to be tested and the air cylinder.
[0006] According to another embodiment of the utility model, an O-ring is further provided at the connecting plug on the gas cylinder.
[0007] According to another embodiment of the utility model, the stainless steel air pipe is further connected to the lower end of the workbench.
[0008] The beneficial effects of the utility model are as follows: the spring body leakage testing device saves auxiliary time, reduces labor intensity, and the leakage testing result is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0010] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0011] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. The embodiments in the basic utility model and all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0012] like Figure 1 As shown, the spring body leakage test device includes an internal thread ball valve 1, a pressure gauge 3, a spherical tee 2, a stainless steel air pipe 8, a workbench 4, an O-ring 5, a plug 6, and an air cylinder 7. The workbench 4 and the spring body to be tested, the workbench 4 is provided with an air cylinder 7, the lower end of the air cylinder 7 is connected to the stainless steel air pipe 8, the air pipe 8 is provided with an internal thread ball valve 1, the stainless steel air pipe 8 is connected to a pressure gauge 3 through the spherical tee 2, the spring body to be tested is connected to the air cylinder 7, and the air cylinder 7 is connected to the plug 6.
[0013] An O-ring 5 is provided at the connection between the spring body to be tested and the air cylinder 7 .
[0014] An O-ring is provided on the gas cylinder 7 at the connection plug 6 .
[0015] The stainless steel air pipe 8 is connected to the lower end of the workbench 4 .
[0016] During operation, first insert the O-ring 5 into the groove of the air cylinder 7, insert the bottom of the spring body into the air cylinder 7, insert the plug 6 and the other O-ring into the upper mounting hole of the spring body, connect the compressed air to the stainless steel air pipe 8, open the internal threaded ball valve 1, fill the air cylinder 7 with compressed air, and then close the internal threaded ball valve 1, observe the value of the pressure gauge 3, and it is qualified if the pressure gauge pointer does not change within the specified time. After removing the plug 6, replace other spring bodies and test them.
[0017] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A spring body leak test device, comprising a workbench (4) and a spring body to be tested, characterized in that: The workbench (4) is provided with an air cylinder (7), the lower end of the air cylinder (7) is connected to a stainless steel air pipe (8), the air pipe (8) is provided with an internal thread ball valve (1), the stainless steel air pipe (8) is connected to a pressure gauge (3) via a spherical tee (2), the spring body to be tested is connected to the air cylinder (7), and the air cylinder (7) is connected to a plug (6).
2. A spring body leak testing device as claimed in claim 1, characterized in that: An O-ring (5) is provided at the connection between the spring body to be tested and the air cylinder (7).
3. A spring body leak testing device as claimed in claim 1, characterized in that: An O-ring is provided on the gas cylinder (7) at the connection plug (6).
4. A spring body leak testing device as claimed in claim 1, characterized in that: The stainless steel air pipe (8) is connected to the lower end of the workbench (4).
