Portable air tightness leak detector calibration device

Abstract

The utility model discloses a portable air tightness leak detector calibration device, and relates to the technical field of leak detectors. The detection device comprises a detection device body, a display screen is arranged at the top of the detection device body, a fixing device is arranged in the detection device body, a standard volume tank is arranged in the detection device body, and the fixing device is matched with the standard volume tank; the fixing device comprises two fixing plates, and the two fixing plates are arranged at the bottom of the inner wall of the detection equipment body. The standard volume tank is pressed by a worker, so that the standard volume tank is in contact with the pressing rod, the pressing rod can drive the inclined rod to be separated from the fixing column, limiting on the fixing column is relieved, under the action of the spring, the fixing column moves downwards to drive the fixing rope to move, and therefore the fixing column can be fixed; the stability of the fixed column in the equipment is improved, and a worker can conveniently carry the detector during working, so that the requirement of the worker on the detector can be met.

Description

Technical Field

[0001] The utility model belongs to the field of leak detectors, and in particular relates to a portable airtight leak detector calibration device. Background Art

[0002] With the acceleration of industrial modernization and the development of the country's pillar heavy industry, different types of airtight leak detectors have been widely used. my country's national standards and industry standards also have qualitative regulations and requirements for the airtightness of products. Under the general trend of international integration, it is inevitable to formulate the allowable leakage standards of products. Therefore, quantitative detection of airtight leakage is particularly important. At present, many companies' equipment needs to be disassembled and sent to the laboratory when detecting airtight leakage, which seriously affects the production and detection efficiency of the company. Or they mainly use portable airtight leak detector devices composed of standard gas cylinders-pressure reducers, standard volume tanks and standard leakage holes for detection, and use fixed differential pressure detection for detection. There is no special calibration device. At the same time, in order to better serve enterprises and provide them with efficient services, on-site detection is very necessary, but the current detection equipment is either too large or carries too many accessories, and the assembly is complicated, which is not conducive to carrying. Therefore, the development of calibration devices for portable airtight leak detectors is particularly important.

[0003] In actual use, the existing detector requires a standard volume tank for detection. When operating, the staff also needs to carry a standard volume tank. The detection equipment does not have a corresponding standard volume tank fixing device, which is inconvenient for the staff to carry while working, and thus cannot meet the staff's needs for the detector.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a portable airtight leak detector calibration device, which solves the technical problem in the prior art that in actual use, a standard volume tank needs to be brought for detection, which is inconvenient for workers to carry while working.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A portable airtightness leak detector calibration device comprises: a detection device body, a display screen is arranged on the top of the detection device body, a fixing device is arranged inside the detection device body, a standard volume tank is arranged inside the detection device body, and the fixing device is adapted to the standard volume tank;

[0008] The fixing device includes two fixing plates, which are installed at the bottom of the inner wall of the main body of the detection equipment. The standard volume tank is arranged between the two fixing plates. The internal sliding cooperation of the fixing plate is equipped with two fixing columns. A sliding groove is opened on one side of the fixing plate. The internal sliding cooperation of the sliding groove is equipped with a sliding rod. The sliding rod is fixedly connected with the fixing column. The internal sliding cooperation of the fixing plate is equipped with two pressure rods. The internal rotation cooperation of the fixing plate is equipped with an inclined rod. One end of the inclined rod is in contact with the pressure rod, and the other end of the inclined rod is clamped with the fixing column. A spring is installed inside the fixing plate. One end of the spring close to the fixing column is fixedly connected with the fixing column. A fixing rope is installed between the opposite sides of the two fixing columns.

[0009] Optionally, two connecting tubes are installed on one side of the standard volume tank, one end of the surface of one of the connecting tubes is provided with a valve, the other end of the surface of the connecting tube is provided with a standard air leakage hole, and a digital pressure gauge is installed on the surface of the connecting tube that passes through the valve and one end of the standard air leakage hole.

[0010] Optionally, a valve is installed on the surface of another connecting pipe 1, a digital pressure gauge 2 is installed at one end of the surface of the connecting pipe 1, output wires are installed on one side of the digital pressure gauge 1 and the digital pressure gauge 2, a support frame is installed at the bottom of the inner wall of the main body of the detection equipment, the digital pressure gauge 1 and the digital pressure gauge 2 are installed on the top of the support frame, the inner cavity of the support frame is installed with a processing device, and the output wire is connected to the processing device.

[0011] Optionally, a transmission device is installed at the bottom of the inner wall of the detection device body, a connecting wire is provided between the transmission device and the processing device, wires are installed on both sides of the transmission device, the wires are connected to the display screen, and a button is provided on the top of the detection device body.

[0012] Optionally, a fixing groove is opened on one side of the detection device body, an air inlet is installed inside the fixing groove, and one end of the air inlet is located inside the detection device body and is fixedly connected to the standard volume tank.

[0013] Optionally, a switch block is provided on one side of the detection device body, hanging rings are installed on both sides of the detection device body, and a limit block is installed inside the fixed plate, and the limit block is slidably matched with the pressure rod.

[0014] Optionally, an arc groove is provided on one side of the fixing column, and the oblique rod is clamped with the fixing column through the arc groove.

[0015] Optionally, connection blocks are provided at the bottom and right side of the standard volume tank, and the connecting pipe 1 and the connecting pipe 2 are connected to the standard volume tank via the connecting blocks, and a connecting device is provided inside the connecting blocks.

[0016] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0017] The staff presses the standard volume tank so that the standard volume tank contacts the pressure rod, which can drive the inclined rod to detach from the fixed column and release the limit on the fixed column. Under the action of the spring, the fixed column moves downward to drive the fixing rope to move, thereby fixing the fixed column, improving the stability of the fixed column inside the equipment, making it convenient for the staff to carry it when working, thereby meeting the staff's needs for the detector.

[0018] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0020] Figure 1 This is a schematic diagram of the main structure of the detection equipment of the portable airtightness leak detector calibration device of the utility model;

[0021] Figure 2 It is a schematic diagram of the internal side structure of the detection device body of the portable airtightness leak detector calibration device of the utility model;

[0022] Figure 3 It is a schematic diagram of the internal side structure of the detection device body of the portable airtightness leak detector calibration device of the utility model;

[0023] Figure 4 It is a schematic diagram of the internal side structure of the detection device body of the portable airtightness leak detector calibration device of the utility model;

[0024] Figure 5 It is a schematic diagram of the side section structure of the fixing plate of the portable airtightness leak detector calibration device of the utility model;

[0025] Figure 6 for Figure 5 Schematic diagram of the structure at point A in the middle.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Detection equipment body; 2. Display screen; 3. Air inlet; 4. Button; 5. Standard volume tank; 6. Fixed column; 7. Fixed slot; 8. Fixed rope; 9. Fixed plate; 10. Connecting block; 11. Valve; 12. Standard air leakage hole; 13. Connecting pipe 1; 14. Digital pressure gauge 1; 15. Output wire; 16. Processing equipment; 17. Transmission equipment; 18. Wire; 19. Spring; 20. Digital pressure gauge 2; 21. Connecting wire; 22. Connecting pipe 2; 23. Sliding slot; 24. Sliding rod; 25. Oblique rod; 26. Pressure rod; 27. Arc slot; 28. Limit block; 29. ​​Support frame; 30. Switch block.

[0028] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0029] The utility model will now be further described in detail with reference to the accompanying drawings.

[0030] See also Figure 1-6 As shown, in this embodiment, a portable airtight leak detector calibration device is provided, including a detection device body 1, a display screen 2 is arranged on the top of the detection device body 1, a fixing device is installed inside the detection device body 1, a standard volume tank 5 is arranged inside the detection device body 1, and the fixing device is adapted to the standard volume tank 5;

[0031] The fixing device includes two fixing plates 9, which are installed at the bottom of the inner wall of the detection equipment body 1. The standard volume tank 5 is arranged between the two fixing plates 9. The fixing plate 9 is internally slidably matched with two fixing columns 6. A sliding groove 23 is opened on one side of the fixing plate 9. The sliding groove 23 is internally slidably matched with a sliding rod 24. The sliding rod 24 is fixedly connected to the fixing column 6. The fixing plate 9 is internally slidably matched with two pressure rods 26. The fixing plate 9 is internally rotatably matched with an inclined rod 25. One end of the inclined rod 25 is in contact with the pressure rod 26, and the other end of the inclined rod 25 is clamped with the fixing column 6. A spring 19 is installed inside the fixing plate 9. One end of the spring 19 close to the fixing column 6 is fixedly connected to the fixing column 6. A fixing rope 8 is installed between the opposite sides of the two fixing columns 6.

[0032] The application of one aspect of this embodiment is as follows: when in use, the staff turns on the switch block 30 to place the standard volume tank 5 on the top of the two fixed plates 9, so that the standard volume tank 5 contacts the pressure rod 26, and the staff presses the standard volume tank 5 to move the pressure rod 26 downward, and the movement of the pressure rod 26 drives the inclined rod 25 to rotate, and the rotation of the inclined rod 25 causes the inclined rod 25 to disengage from the inside of the arc groove 27, so that the inclined rod 25 releases the limit on the fixed column 6, and the fixed column 6 moves downward under the action of the spring 19, and the movement of the fixed column 6 drives the fixed rope 8 to move, and when the fixed rope 8 contacts the standard volume tank 5, the standard volume tank 5 can be completed. The storage tank 5 is fixed. If it is necessary to release the fixation of the standard volume tank 5, the staff moves the sliding rod 24 upwards, and the movement of the sliding rod 24 drives the fixing column 6 to move, and the movement of the fixing column 6 drives the fixing rope 8 to move. When the fixing column 6 drives the arc groove 27 to move to engage with the inclined rod 25, the limiting of the fixing column 6 can be completed, so that the fixation of the standard volume tank 5 can be completely released. The staff connects the air outlet of the equipment to be tested with the testing equipment through the air inlet 3, and the staff connects the connecting pipe 22 and the connecting pipe 13 to the standard volume tank 5 through the connecting block 10. At this time, open the corresponding valve 11 to carry out the test.

[0033] One side of the standard volume tank 5 of this embodiment is equipped with two connecting tubes 13, one end of the surface of one of the connecting tubes 13 is provided with a valve 11, the other end of the surface of the connecting tube 13 is provided with a standard leakage hole 12, and the surface of the connecting tube 13 that passes through the valve 11 and one end of the standard leakage hole 12 is provided with a digital pressure gauge 14; the surface of the other connecting tube 13 is provided with a valve 11, and one end of the surface of the connecting tube 13 is provided with a digital pressure gauge 20, one side of the digital pressure gauge 14 and the digital pressure gauge 20 are both provided with an output wire 15, a support frame 29 is installed at the bottom of the inner wall of the detection equipment body 1, the digital pressure gauge 14 and the digital pressure gauge 20 are both installed on the top of the support frame 29, the inner cavity of the support frame 29 is provided with a processing device 16, and the output wire 15 is connected to the processing device 16. The corresponding valve 11 can be opened to conduct the detection. Through the cooperation of the transmission device 17 and the processing device 16, the detected values ​​are sorted and analyzed, and transmitted to the display screen 2 through the connecting wires 21 and 18.

[0034] The bottom of the inner wall of the detection device body 1 of this embodiment is equipped with a transmission device 17, a connecting wire 21 is arranged between the transmission device 17 and the processing device 16, wires 18 are arranged on both sides of the transmission device 17, and the wires 18 are connected to the display screen 2, and a button 4 is arranged on the top of the detection device body 1. Through the cooperation of the transmission device 17 and the processing device 16, the detected values ​​are sorted and analyzed, and transmitted to the display screen 2 through the connecting wires 21 and the wires 18.

[0035] A fixing groove 7 is provided on one side of the main body 1 of the detection device of this embodiment, and an air inlet 3 is installed inside the fixing groove 7. One end of the air inlet 3 located inside the main body 1 of the detection device is fixedly connected to the standard volume tank 5. The staff connects the air outlet of the device to be detected to the detection device through the air inlet 3.

[0036] A switch block 30 is provided on one side of the detection device body 1 of this embodiment, hanging rings are provided on both sides of the detection device body 1, and a limit block 28 is provided inside the fixing plate 9, and the limit block 28 is slidably matched with the pressure rod 26. The provided hanging ring makes it convenient for the staff to carry, and the provided limit block 28 can limit the pressure rod 26 to maintain the stability of the pressure rod 26 during operation.

[0037] The standard volume tank 5 of this embodiment is provided with a connection block 10 at the bottom and right side, and the connection pipe 1 13 and the connection pipe 2 22 are connected to the standard volume tank 5 through the connection block 10, and a connection device is provided inside the connection block 10. The staff connects the connection pipe 22 and the connection pipe 13 to the standard volume tank 5 through the connection block 10.

[0038] The present invention is not limited to the above-mentioned implementation modes. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the protection scope of the present invention. The technology, shape, and structure that are not described in detail in the present invention are all known technologies.

Claims

1. A portable airtightness leak detector calibration device, characterized in that: include: A detection device body (1), a display screen (2) is arranged on the top of the detection device body (1), a fixing device is installed inside the detection device body (1), a standard volume tank (5) is arranged inside the detection device body (1), and the fixing device is adapted to the standard volume tank (5); The fixing device comprises two fixing plates (9), the two fixing plates (9) are installed at the bottom of the inner wall of the detection device body (1), the standard volume tank (5) is arranged between the two fixing plates (9), the fixing plate (9) is internally slidably matched with two fixing columns (6), one side of the fixing plate (9) is provided with a sliding groove (23), the sliding groove (23) is internally slidably matched with a sliding rod (24), the sliding rod (24) is fixedly connected with the fixing column (6), the fixing plate (9) is internally slidably matched with two pressing rods (26), the fixing plate (9) is internally rotatably matched with an inclined rod (25), one end of the inclined rod (25) is in contact with the pressing rod (26), and the other end of the inclined rod (25) is clamped with the fixing column (6), a spring (19) is installed inside the fixing plate (9), one end of the spring (19) close to the fixing column (6) is fixedly connected with the fixing column (6), and a fixing rope (8) is installed between opposite sides of the two fixing columns (6).

2. A portable airtightness leak detector calibration device according to claim 1, characterized in that: Two connecting pipes (13) are installed on one side of the standard volume tank (5), one end of the surface of one of the connecting pipes (13) is provided with a valve (11), the other end of the surface of the connecting pipe (13) is provided with a standard air leakage hole (12), and a digital pressure gauge (14) is installed on the surface of the connecting pipe (13) that passes through the valve (11) and one end of the standard air leakage hole (12).

3. A portable airtightness leak detector calibration device according to claim 1, characterized in that: A valve (11) is installed on the surface of another connecting pipe (13), a digital pressure gauge (20) is installed at one end of the surface of the connecting pipe (13), an output wire (15) is installed on one side of the digital pressure gauge (14) and the digital pressure gauge (20), a support frame (29) is installed at the bottom of the inner wall of the detection device body (1), the digital pressure gauge (14) and the digital pressure gauge (20) are installed on the top of the support frame (29), a processing device (16) is installed in the inner cavity of the support frame (29), and the output wire (15) is connected to the processing device (16).

4. A portable airtightness leak detector calibration device according to claim 1, characterized in that: A transmission device (17) is installed at the bottom of the inner wall of the detection device body (1), a connecting wire (21) is arranged between the transmission device (17) and the processing device (16), wires (18) are installed on both sides of the transmission device (17), and the wires (18) are connected to the display screen (2), and a button (4) is arranged on the top of the detection device body (1).

5. The portable airtightness leak detector calibration device according to claim 1, characterized in that: A fixing groove (7) is provided on one side of the detection device body (1), an air inlet (3) is provided inside the fixing groove (7), and one end of the air inlet (3) located inside the detection device body (1) is fixedly connected to the standard volume tank (5).

6. A portable airtightness leak detector calibration device according to claim 1, characterized in that: A switch block (30) is arranged on one side of the detection device body (1), hanging rings are arranged on both sides of the detection device body (1), a limit block (28) is arranged inside the fixing plate (9), and the limit block (28) is slidably matched with the pressure rod (26).

7. A portable airtightness leak detector calibration device according to claim 1, characterized in that: An arc groove (27) is provided on one side of the fixing column (6), and the inclined rod (25) is clamped with the fixing column (6) through the arc groove (27).

8. The portable airtightness leak detector calibration device according to claim 1, characterized in that: The bottom and right side of the standard volume tank (5) are both provided with connection blocks (10), and the connection pipe 1 (13) and the connection pipe 2 (22) are connected to the standard volume tank (5) through the connection block (10), and a connection device is provided inside the connection block (10).

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