Test tool for measuring and calculating positive pressure drop
By designing a test tool that includes components such as fixed plates, digital display precision pressure gauge, filter pressure reducing valve and ball valve, the problem that existing test tooling cannot calculate the leakage or pressure drop rate of parts products is solved, achieving higher practicality, a wider range of use and faster test rates.
Patent Information
- Application Number
- CN202422214225.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-10
AI Technical Summary
Existing test tooling cannot calculate whether the parts product has leakage or pressure drop rate, resulting in a decrease in its utility and usage range, and it also takes up a large space and is cost-effective. It is impossible to test multiple parts products at the same time, reducing the test rate.
A positive pressure drop test tool for measuring positive pressure drop is designed, including fixed plates, digital precision pressure gauge, filter pressure reducing valve, inlet ball valve, outlet ball valve and four-way joint. Through the combination of these components, it can be used for positive pressure drop test of various parts products.
The test tooling can be tested after the product or part is completed, and calculates whether the part product has leakage or pressure drop rate, which improves the practicality and scope of use of the test tooling, and is small in size and low in cost. It can test multiple parts products at the same time, improving the test rate.
Smart Images
Figure CN223005687U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machining testing, in particular to a test tool for calculating the positive pressure drop. Background Technique
[0002] After a product or part is completed, a test tool is required to test the product or part. However, there are still certain deficiencies in the existing test tools during use. The existing test tools cannot calculate whether there is leakage or the pressure drop rate of the part product, thereby reducing the practicability and scope of use of the test tool during use. Moreover, the tool occupies a large space, has a high use cost, and cannot test multiple part products simultaneously, reducing the test rate of the test tool during use. Content of the Utility Model
[0003] The purpose of the utility model is to provide a test tool for calculating the positive pressure drop, so as to solve the problems in the above background technique that the existing test tools cannot calculate whether there is leakage or the pressure drop rate of the part product, thereby reducing the practicability and scope of use of the test tool during use, and the tool occupies a large space, has a high use cost, and cannot test multiple part products simultaneously, reducing the test rate of the test tool during use.
[0004] To achieve the above purpose, the utility model provides the following technical solutions:
[0005] A test tool for calculating the positive pressure drop, including a fixed plate, on the surface of the fixed plate is fixedly connected with a first support seat, on the outer surface of the first support seat is fixedly connected with a fixed cover plate, on the top of the first support seat is fixedly connected with a digital precision pressure gauge, at one end of the first support seat is fixedly connected with a filter pressure reducing valve, on the side of the filter pressure reducing valve is rotatably connected with an inlet ball valve, on the side of the filter pressure reducing valve is fixedly connected with a gas source input port, the gas source input port is communicated with the filter pressure reducing valve, and at the other end of the first support seat is rotatably connected with an outlet ball valve.
[0006] As a preferred scheme of the utility model, on the side of the first support seat is fixedly connected with a second support seat, on the outer surface of the second support seat is fixedly connected with a four-way joint, and on the top of the four-way joint is fixedly connected with a first measured interface.
[0007] As a preferred scheme of the utility model, at the bottom of the four-way joint is fixedly connected with a third measured interface, and at the side end of the four-way joint is fixedly connected with a second measured interface.
[0008] As a preferred scheme of the utility model, the shapes of the fixed cover plate and the first support seat are both rectangular, and the sizes of the fixed cover plate and the first support seat are the same.
[0009] As a preferred solution of the present utility model, the digital display precision pressure gauge is arranged on the top of the first support seat, and the digital display precision pressure gauge is circular in shape.
[0010] As a preferred solution of the present utility model, the first measured interface, the second measured interface and the third measured interface are all communicated with the four-way joint, and the side end of the four-way joint is communicated with the first support seat.
[0011] As a preferred solution of the present utility model, the air source input port is L-shaped, and the material of the air source input port is plastic.
[0012] As a preferred solution of the present utility model, the inlet ball valve and the outlet ball valve have the same model and the same size.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] 1. In the present utility model, by setting the air source input port, the inlet ball valve, the filter pressure reducing valve, the fixed cover plate, the digital display precision pressure gauge, the outlet ball valve, the measured joint and the four-way joint to be used in cooperation, it can be applicable to the positive pressure drop test of various part products. The test can be carried out after the product or part is completed, and it can be calculated whether there is leakage or the pressure drop rate of the part product. Before the test, it can be confirmed whether the test tooling body leaks first, making the test tooling more practical when in use.
[0015] 2. In the present utility model, the test tooling is small in volume, occupies little space, has low cost, and can test multiple part products at the same time, improving the rate of testing part products, making the application range of the test tooling wider when in use and improving the applicability of the test work. Description of the Drawings
[0016] Figure 1 is the overall structural schematic diagram of the present utility model;
[0017] Figure 2 is the structural schematic diagram of the inlet ball valve and the air source input port of the present utility model;
[0018] Figure 3 is the structural schematic diagram of the digital display precision pressure gauge and the first support seat of the present utility model;
[0019] Figure 4 is the structural schematic diagram of the four-way joint and the second support seat of the present utility model.
[0020] In the figure: 1. Air source input port; 2. Inlet ball valve; 3. Filter pressure reducing valve; 4. Fixed cover plate; 5. Digital display precision pressure gauge; 6. Outlet ball valve; 7. First support seat; 8. First measured interface; 9. Second measured interface; 10. Second support seat; 11. Third measured interface; 12. Four-way joint; 13. Fixed plate. Detailed implementation manners
[0021] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0022] For the embodiments, please refer to Figures 1 - 4 , the present utility model provides a technical solution:
[0023] A positive pressure drop measurement test tooling, including a fixed plate 13, a first support seat 7 is fixedly connected to the surface of the fixed plate 13, a fixed cover plate 4 is fixedly connected to the outer surface of the first support seat 7, a digital display precision pressure gauge 5 is fixedly connected to the top of the first support seat 7, a filter pressure reducing valve 3 is fixedly connected to one end of the first support seat 7, an inlet ball valve 2 is rotatably connected to the side of the filter pressure reducing valve 3, an air source input port 1 is fixedly connected to the side of the filter pressure reducing valve 3, the air source input port 1 is communicated with the filter pressure reducing valve 3, and an outlet ball valve 6 is rotatably connected to the other end of the first support seat 7.
[0024] In this embodiment, as shown in Figure 1 and Figure 2 , a second support seat 10 is fixedly connected to the side of the first support seat 7, a four-way joint 12 is fixedly connected to the outer surface of the second support seat 10, a first measured interface 8 is fixedly connected to the top of the four-way joint 12. Close the outlet ball valve 6, open the inlet ball valve 2, connect the air source input port 1, observe that the pressure display of the digital display precision pressure gauge 5 is normal, close the inlet ball valve 2, observe the change of the pressure value of the digital display precision pressure gauge 5 to confirm that the test tooling body does not leak and the pressure drop does not decrease. After the test tooling body is tested and does not leak, connect the part to be tested to the measured interface. If multiple interfaces are not required, the redundant interfaces can be blocked with plugs. Open the outlet ball valve 6 and the inlet ball valve 2 to make the gas communicate with the part. Close the inlet ball valve 2 and observe the change of the value of the digital display precision pressure gauge 5. A third measured interface 11 is fixedly connected to the bottom of the four-way joint 12, a second measured interface 9 is fixedly connected to the side end of the four-way joint 12. The shapes of the fixed cover plate 4 and the first support seat 7 are both rectangular, and the sizes of the fixed cover plate 4 and the first support seat 7 are the same.
[0025] Among them, it can be applied to the positive pressure drop test of various parts and products. The test can be carried out after the product or part is completed to calculate whether there is leakage or the pressure drop rate of the part product. Before the test, it can be confirmed whether the test fixture body leaks, making the test fixture more practical when in use.
[0026] In this embodiment, as Figure 3 and Figure 4 shown, the digital display precision pressure gauge 5 is arranged on the top of the first support seat 7. The digital display precision pressure gauge 5 is circular in shape. The first measured interface 8, the second measured interface 9 and the third measured interface 11 are all communicated with the four-way joint 12. The side end of the four-way joint 12 is communicated with the first support seat 7. The air source input port 1 is L-shaped, and the material of the air source input port 1 is plastic. The inlet ball valve 2 and the outlet ball valve 6 have the same model and the same size.
[0027] Among them, the test fixture is small in volume, occupies little space, has low cost, and can test multiple part products at the same time, improving the rate when testing part products, making the test fixture more widely used when in use, and improving the applicability of the test work.
[0028] The working process of the present utility model: When using the positive pressure drop test fixture designed by this solution to work, close the outlet ball valve 6, open the inlet ball valve 2, connect the air source input port 1, observe that the pressure display of the digital display precision pressure gauge 5 is normal, close the inlet ball valve 2, observe the change of the pressure value of the digital display precision pressure gauge 5 to confirm that the test fixture body does not leak and the pressure drop does not decrease. After the test fixture body is tested and does not leak, connect the part product to be tested at the measured interface. If multiple interfaces are not needed, the redundant interfaces can be blocked with plugs. Open the outlet ball valve 6 and the inlet ball valve 2 to make the gas communicate with the part. Close the inlet ball valve 2 and observe the change of the value of the digital display precision pressure gauge 5. It can be applied to the positive pressure drop test of various part products. The test can be carried out after the product or part is completed to calculate whether there is leakage or the pressure drop rate of the part product. Before the test, it can be confirmed whether the test fixture body leaks, making the test fixture more practical when in use.
[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A positive pressure drop test tool, comprising a fixing plate (13), characterized in that: The surface of the fixed plate (13) is fixedly connected to a first support seat (7), the outer surface of the first support seat (7) is fixedly connected to a fixed cover plate (4), the top of the first support seat (7) is fixedly connected to a digital precision pressure gauge (5), one end of the first support seat (7) is fixedly connected to a filter pressure reducing valve (3), the side of the filter pressure reducing valve (3) is rotatably connected to an inlet ball valve (2), the side of the filter pressure reducing valve (3) is fixedly connected to an air source input port (1), the air source input port (1) is communicated with the filter pressure reducing valve (3), and the other end of the first support seat (7) is rotatably connected to an outlet ball valve (6).
2. A positive pressure drop test tool according to claim 1, characterized in that: The side surface of the first support seat (7) is fixedly connected to a second support seat (10), the outer surface of the second support seat (10) is fixedly connected to a four-way joint (12), and the top of the four-way joint (12) is fixedly connected to a first measured interface (8).
3. A positive pressure drop test tool according to claim 2, characterized in that: The bottom of the four-way joint (12) is fixedly connected to a third measured interface (11), and the side end of the four-way joint (12) is fixedly connected to a second measured interface (9).
4. A positive pressure drop test tool according to claim 1, characterized in that: The fixed cover plate (4) and the first support seat (7) are both rectangular in shape, and the fixed cover plate (4) and the first support seat (7) are of the same size.
5. The positive pressure drop test tool according to claim 1, characterized in that: The digital display precision pressure gauge (5) is arranged on the top of the first support seat (7), and the shape of the digital display precision pressure gauge (5) is circular.
6. A positive pressure drop test tool according to claim 2, characterized in that: The first measured interface (8), the second measured interface (9) and the third measured interface (11) are all connected to a four-way joint (12), and the side end of the four-way joint (12) is connected to the first support seat (7).
7. The positive pressure drop test tool according to claim 1, characterized in that: The shape of the gas source input port (1) is L-shaped, and the material of the gas source input port (1) is plastic.
8. The positive pressure drop test tool according to claim 1, characterized in that: The inlet ball valve (2) and the outlet ball valve (6) are of the same model, and the inlet ball valve (2) and the outlet ball valve (6) are of the same size.