Airtight performance detection device
By designing a slidable movable frame and power mechanism, the problem of inconvenient maintenance of existing air tightness detection devices is solved, and convenient maintenance and efficient air tightness detection are achieved.
Patent Information
- Application Number
- CN202422811910.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-19
AI Technical Summary
The existing air tightness detection device cannot be opened quickly during maintenance, resulting in inconvenience in use.
An airtightness testing device was designed. After the fixing bolts were removed, the movable frame slid in the slide groove, opening the space between the fixed plate and the support plate, which facilitated the maintenance of the internal valve island seat equipment. The piston seat was pushed to move by the power mechanism to discharge gas to achieve airtightness testing.
It realizes convenient maintenance and air tightness testing of the device, ensuring the accuracy and efficiency of the testing.
Smart Images

Figure CN223389386U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of air tightness detection equipment, in particular to an air tightness performance detection device. Background Art
[0002] During the production process of the product, professional equipment is needed to test whether the product is dustproof or waterproof, that is, to check the sealing of the product. At this time, an airtightness tester will be used to test its airtightness. The airtightness tester is a new type of non-destructive airtightness and sealing tester that can be used to test pressure decay leak detection, vacuum decay leak detection, mass flow test, waterproof test and other airtightness leak detection.
[0003] According to the patent document disclosed in the existing publication number CN220472904U, an air tightness detection device is disclosed, which includes a shell and a valve island assembly, the shell is configured to have a bottom plate, a first panel and a second panel relative to each other, the first panel, the bottom plate and the second panel are connected in sequence to form a frame structure, the frame structure has an accommodating space, the valve island assembly is accommodated in the accommodating space, the first panel is provided with a detection air supply port, and the second panel is provided with a detection air outlet. When in use, this technical solution can isolate the air intake channel and the pressure stabilization test channel by controlling the first solenoid valve, so that during the test, the air channel connected to the detection target is not affected by the air tightness and air pressure stability of other components in the air source and the air intake channel, thereby improving the accuracy of the air tightness test of the detection target. Regarding the above technical solution, although this solution improves the accuracy of the test, the interior of the equipment cannot be quickly opened during later maintenance, which is inconvenient when used. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide an airtight performance detection device to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. When in use, after the fixing bolts are removed, the movable frame slides inside the slide groove through the slider, and the sliding opens the space between the fixed plate and the support plate. After the space is opened, it is convenient to realize the maintenance and inspection of the internal valve island seat equipment.
[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: an airtight performance detection device, including a base, a fixed plate is fixed on the base, a movable frame is movably installed on the fixed plate, a fixing bolt is rotatably installed on the movable frame, a threaded hole is opened on the fixed plate, one end of the fixing bolt is movably installed inside the threaded hole, a valve island seat is installed between the fixed plates, the valve island seat is fixedly installed on the base, a first sensor and a second sensor are fixedly installed on the valve island seat, and an electromagnetic valve is installed between the first sensor and the second sensor.
[0006] Furthermore, an air intake pipe is fixedly mounted on the fixed plate, an air intake duct is opened on the valve island seat, and one end of the air intake pipe is mounted on the air intake duct.
[0007] Furthermore, a button is installed on the fixing plate, a display mechanism is fixedly installed on one side of the button, a support plate is fixed on the base, and an exhaust pipe is fixed on the support plate.
[0008] Furthermore, one end of the exhaust pipe is fixedly mounted on the valve island seat, a connecting pipe is fixedly mounted on one end of the exhaust pipe, and a detection device is movably mounted on one end of the connecting pipe.
[0009] Furthermore, a slide groove is provided on the base, a slider is movably installed inside the slide groove, and the slider is fixed to the bottom of the movable frame.
[0010] Furthermore, a supporting pipe is installed at one end of the air intake pipe, a branch pipe is installed on the side of the supporting pipe, and the supporting pipe is connected to the first sensor and the second sensor respectively.
[0011] Furthermore, a cavity is installed at one end of the branch pipe, the cavity is opened on the valve island seat, and a piston seat is movably installed inside the cavity.
[0012] Furthermore, a fixing bracket is fixed on the piston seat, a threaded seat is installed on the fixing bracket, a threaded column is rotatably installed on the threaded seat, a power mechanism is fixedly installed on the valve island seat, and one end of the threaded column is installed on the power mechanism.
[0013] Beneficial effects of the utility model:
[0014] 1. This airtightness testing device, when in use, after the fixing bolts are removed, the movable frame slides inside the slide groove through the slider, and the sliding opens the space between the fixed plate and the support plate. After the space is opened, it is convenient to realize the maintenance and repair of the internal valve island seat equipment.
[0015] 2. This airtightness performance testing device, when the air pressure cannot meet the testing requirements in the later stage, the power mechanism drives the piston seat to move, and the movement drives the gas inside the cavity to be discharged to compensate for the gas. The compensated gas realizes the airtightness test of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a structural diagram of an airtightness testing device of the utility model;
[0017] Figure 2 This is a structural schematic diagram of a valve island seat of an airtightness performance detection device of the utility model;
[0018] Figure 3This is a schematic structural diagram of an airtightness testing device according to the present invention after the movable frame is opened;
[0019] Figure 4 This is a schematic diagram of a cross-sectional structure of a valve island seat in a gas-tightness testing device according to the present invention;
[0020] In the figure: 1. Base; 2. Fixing plate; 3. Button; 4. Display mechanism; 5. Intake pipe; 6. Movable frame; 7. Exhaust pipe; 8. Connecting pipe; 9. Detection equipment; 10. Slide; 11. Valve island seat; 12. First sensor; 13. Second sensor; 14. Solenoid valve; 15. Power mechanism; 16. Fixing bolt; 17. Intake pipe; 18. Support pipe; 19. Branch pipe; 20. Cavity; 21. Piston seat; 22. Fixing frame; 23. Threaded seat; 24. Threaded column. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] See also Figures 1 to 4 The utility model provides a technical solution: an airtight performance detection device, comprising a base 1, a fixed plate 2 is fixed on the base 1, a movable frame 6 is movably installed on the fixed plate 2, a fixing bolt 16 is rotatably installed on the movable frame 6, a threaded hole is opened on the fixed plate 2, one end of the fixing bolt 16 is movably installed inside the threaded hole, a valve island seat 11 is installed between the fixed plates 2, the valve island seat 11 is fixedly installed on the base 1, a first sensor 12 and a second sensor 13 are fixedly installed on the valve island seat 11, an electromagnetic valve 14 is installed between the first sensor 12 and the second sensor 13, an intake pipe 5 is fixedly installed on the fixed plate 2, an intake pipe 17 is opened on the valve island seat 11, one end of the intake pipe 5 is installed on the intake pipe 17, the first sensor 12 and the second sensor 13 are both existing gas pressure sensors, which monitor the pressure of the gas.
[0023] In this embodiment, a button 3 is installed on the fixed plate 2, and a display mechanism 4 is fixedly installed on one side of the button 3. A support plate is fixed on the base 1, and an exhaust pipe 7 is fixed on the support plate. One end of the exhaust pipe 7 is fixedly installed on the valve island seat 11, and a connecting pipe 8 is fixed on one end of the exhaust pipe 7. A detection device 9 is movably installed on one end of the connecting pipe 8. A slide groove 10 is opened on the base 1, and a slider is movably installed inside the slide groove 10. The slider is fixed to the bottom of the movable frame 6. The detection device 9 is a device for detecting air tightness. The detection device 9 cooperates with the connecting pipe 8 to facilitate the entry of gas in the later stage.
[0024] In this embodiment, a support pipe 18 is installed at one end of the air intake pipe 17, and a branch pipe 19 is installed on the side of the support pipe 18. The support pipe 18 is connected to the first sensor 12 and the second sensor 13 respectively. A cavity 20 is installed at one end of the branch pipe 19. The cavity 20 is opened on the valve island seat 11, and a piston seat 21 is movably installed inside the cavity 20. A fixing frame 22 is fixed on the piston seat 21, and a threaded seat 23 is installed on the fixing frame 22. A threaded column 24 is rotatably installed on the threaded seat 23. A power mechanism 15 is fixedly installed on the valve island seat 11, and one end of the threaded column 24 is installed on the power mechanism 15. The power mechanism 15 is a DC motor. The DC motor drives the threaded column 24 to rotate, and the rotation of the threaded column 24 drives the movement of the piston seat 21.
[0025] When in use, the detection device 9 is fixedly installed on one end of the connecting pipe 8, and the gas enters from one end of the intake pipe 5. The gas enters the interior of the intake pipe 17 from the intake pipe 5, and the gas flows inside the intake pipe 17. The flow monitors the gas pressure, and the opening or closing of the intake pipe 17 is controlled by the solenoid valve 14. When the pressure of the incoming gas is weakened, the support pipe 18 is closed by the solenoid valve 14, so that the gas cannot enter the interior of the intake pipe 17, and the power mechanism 15 is started to drive the threaded column 24 to rotate. The rotation of the threaded column 24 cooperates with the threaded seat 23 to push the piston seat 21 to move, and the movement of the piston seat 21 will reserve the internal The gas is pushed from the branch pipe 19 to the inside of the support pipe 18 and discharged from the exhaust pipe 7, thereby ensuring the stability of the gas pressure delivery. Later, the piston seat 21 is returned to its position to replenish the gas source inside the cavity 20. When the valve island seat 11 needs to be repaired, the fixing bolts 16 are removed and the movable frame 6 is moved on the fixed plate 2. After the movement, the internal valve island seat 11 is exposed for easy maintenance. In addition, the movement of the movable frame 6 can block and protect the display mechanism 4, and the display mechanism 4 automatically records the data. In addition, the button 3 and the display mechanism 4 ensure the correction of the internal temperature. The display mechanism 4 is a touch screen that controls the working status of the internal equipment.
[0026] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and range of equivalents of the claims are included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.
[0027] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. An airtightness testing device, comprising a base (1), characterized in that: A fixed plate (2) is fixed on the base (1), a movable frame (6) is movably installed on the fixed plate (2), a fixing bolt (16) is rotatably installed on the movable frame (6), a threaded hole is opened on the fixed plate (2), one end of the fixing bolt (16) is movably installed inside the threaded hole, a valve island seat (11) is installed between the fixed plates (2), the valve island seat (11) is fixedly installed on the base (1), a first sensor (12) and a second sensor (13) are fixedly installed on the valve island seat (11), and an electromagnetic valve (14) is installed between the first sensor (12) and the second sensor (13).
2. The airtightness testing device according to claim 1, characterized in that: An air intake pipe (5) is fixedly mounted on the fixed plate (2), an air intake duct (17) is opened on the valve island seat (11), and one end of the air intake pipe (5) is mounted on the air intake duct (17).
3. The airtightness testing device according to claim 1, characterized in that: A button (3) is mounted on the fixing plate (2), a display mechanism (4) is fixedly mounted on one side of the button (3), a support plate is fixed on the base (1), and an exhaust pipe (7) is fixed on the support plate.
4. The airtightness testing device according to claim 3, characterized in that: One end of the exhaust pipe (7) is fixedly mounted on the valve island seat (11), a connecting pipe (8) is fixedly mounted on one end of the exhaust pipe (7), and a detection device (9) is movably mounted on one end of the connecting pipe (8).
5. The airtightness testing device according to claim 1, characterized in that: A slide groove (10) is provided on the base (1), a slider is movably installed inside the slide groove (10), and the slider is fixed to the bottom of the movable frame (6).
6. The airtightness testing device according to claim 2, characterized in that: A support pipe (18) is installed at one end of the air intake pipe (17), a branch pipe (19) is installed on the side of the support pipe (18), and the support pipe (18) is connected to the first sensor (12) and the second sensor (13) respectively.
7. The airtightness testing device according to claim 6, characterized in that: A cavity (20) is installed at one end of the branch pipe (19), the cavity (20) is opened on the valve island seat (11), and a piston seat (21) is movably installed inside the cavity (20).
8. The airtightness testing device according to claim 7, characterized in that: A fixing frame (22) is fixed on the piston seat (21), a threaded seat (23) is installed on the fixing frame (22), a threaded column (24) is rotatably installed on the threaded seat (23), a power mechanism (15) is fixedly installed on the valve island seat (11), and one end of the threaded column (24) is installed on the power mechanism (15).
Citation Information
Patent Citations
Air tightness detection device
CN220472904U