A complete equipment airtightness detection device

By designing a combination of components such as tooling table, positioning holes, rotary cylinders and air supply devices, the problem of unstable air tightness testing of complete sets of equipment was solved, and more accurate test results were achieved.

CN223611044UActive Publication Date: 2025-11-28SHANGHAI LIK MECHANICAL & ELECTRICAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422495865.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-11-28
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

The airtightness testing of complete sets of equipment in the existing technology lacks stability, resulting in inaccurate test results.

Method used

A complete set of equipment airtightness testing devices was designed, including a tooling table, positioning holes, a positioning platform, a rotary cylinder, a pressure rod, an air supply device, and an elastic bracket. The equipment is fixed by the positioning holes and the positioning platform, the rotary cylinder presses the equipment, the air supply device fills and measures the gas pressure, and the elastic bracket adjusts the position to ensure the stability and airtightness of the equipment.

Benefits of technology

This improved the stability and accuracy of airtightness testing for complete sets of equipment, ensuring the reliability of the test results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223611044U_ABST
    Figure CN223611044U_ABST
Patent Text Reader

Abstract

The application relates to a complete equipment airtightness detection device and relates to the technical field of airtightness detection. The device comprises a tooling table. The tooling table is provided with a positioning hole for placing the complete equipment. A plurality of positioning tables are circumferentially arranged around the positioning hole. A plurality of positioning seats are arranged on the positioning tables. The complete equipment is provided with an external connecting pipe connected with a hollow cylinder. An air inlet pipe and a pressure measuring pipe are arranged on the hollow cylinder. The hollow cylinder is used for air tightness detection of the complete equipment. The fixation of the tooling table makes the detection more stable and accurate.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air tightness detection, in particular to a complete equipment air tightness detection device. BACKGROUND

[0002] A complete equipment needs to be detected for air tightness, and a pressure decay method is usually used. The pressure decay method is an air tightness detection method of applying a certain pressure to a product or system to be tested, recording the initial pressure value, then closing the gas or liquid source, observing the pressure change in a period of time, and judging the air tightness by observing the size of the pressure change. When the pressure decay method is used to detect air tightness, a relatively stable environment is required.

[0003] For the related technology in the above, there is no suitable tool for detecting a complete equipment at present, and simple placement of the equipment for detection is not stable enough, and the detection result obtained is not accurate, which needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a complete equipment air tightness detection device to improve the problem of unstable detection of air tightness of a complete equipment.

[0005] The complete equipment air tightness detection device provided by the present application adopts the following technical solution:

[0006] A complete equipment air tightness detection device, characterized in that: it comprises a tooling table, the tooling table is provided with a positioning hole for placing a complete equipment, and a plurality of positioning tables are arranged around the positioning hole.

[0007] By adopting the above technical solution, when the complete equipment is placed on the tooling table, the bottom of the complete equipment is placed into the positioning hole corresponding to the positioning table, so that the complete equipment is fixed on the tooling table; the positioning tables corresponding to the bottom of the complete equipment are arranged around the positioning hole, which can reduce the shaking of the complete equipment placed in the positioning hole.

[0008] Preferably, a plurality of positioning seats are arranged on the positioning table.

[0009] By adopting the above technical solution, there are multiple positioning seats on the positioning table, and the positioning seats correspond to each side surface of the complete equipment, so that the complete equipment can be placed more stably.

[0010] Preferably, two rotary air cylinders are arranged on the tooling table, the cylinder bodies of the two rotary air cylinders are fixed on the surface of the tooling table, and the driving shafts of the rotary air cylinders are provided with pressure rods capable of abutting against the complete equipment.

[0011] By adopting the technical scheme, the pressure rod is used to press the complete equipment, and the installation of the complete equipment is further stabilized; the pressure rod is arranged on the rotary cylinder, the pressure rod is pressed against the complete equipment by the force of the rotary cylinder, and the position of the pressure rod can be adjusted by the rotary cylinder, so that the use of the pressure rod is facilitated.

[0012] Preferably, one end of the pressure rod away from the rotary cylinder is provided with a pressing rod, and the pressing rod is connected with the pressure rod by threads.

[0013] By adopting the technical scheme, the pressing rod on the pressure rod can be adjusted according to the position to be pressed, and the applicability of the pressure rod is improved.

[0014] Preferably, a fixing frame is arranged on the tooling table, one side of the fixing frame is provided with a sliding cylinder connected with the fixing frame by threads, and a gas supply device is arranged between the sliding cylinder and the complete equipment.

[0015] By adopting the technical scheme, the gas supply device is used to fill gas and check gas pressure in the process of detecting air tightness; the sliding cylinder is arranged to push the gas supply device to be close to or away from the complete equipment, so that the position of the gas supply device can be fixed, and the complete equipment can be conveniently installed.

[0016] Preferably, the gas supply device comprises a hollow cylinder, an air inlet pipe and a pressure measuring pipe, one end face of the hollow cylinder is provided with a sealing hole, a sealing ring is embedded on the inner side wall of the sealing hole, and the sealing hole is connected with an external connecting pipe on the complete equipment; one end face of the hollow cylinder away from the sealing hole is provided with the air inlet pipe and the pressure measuring pipe.

[0017] By adopting the technical scheme, the sealing hole is connected with the external connecting pipe of the complete equipment, and the sealing ring is used to ensure the sealing effect, so that the internal space of the hollow cylinder is communicated with the inside of the complete equipment; the other end of the hollow cylinder is provided with the air inlet pipe and the pressure measuring pipe, the air inlet pipe is used to fill air in the hollow cylinder so that the air pressure in the hollow cylinder and the complete equipment reaches a set value, and the pressure measuring pipe is used to measure the air pressure value in the hollow cylinder and the complete equipment.

[0018] Preferably, a transmission frame is arranged on the outer side wall of the sliding cylinder, one side of the transmission frame is connected and fixed with the sliding cylinder, and the other side is provided with an elastic support; one end face of the elastic support is provided with a connecting table; one end of the hollow cylinder provided with the air inlet pipe is provided with a connecting base, a plurality of connecting rods are arranged between the connecting base and the connecting table, one end of the connecting rod is connected with the connecting base, and the other end is connected with the connecting table.

[0019] By adopting the technical scheme, the elastic support is arranged between the sliding cylinder and the hollow cylinder, and the hollow cylinder can be fixed at a more suitable position by the elastic support.

[0020] Preferably, the elastic support comprises an elastic piece, a transmission screw rod, a spring base, a transmission table, the transmission table is provided with the transmission screw rod on the side facing the spring base, and the spring base is in threaded connection with the transmission screw rod; the elastic piece is sleeved on the outer wall of the transmission screw rod, one end of the elastic piece abuts against the spring base, and the other end abuts against the transmission table.

[0021] By adopting the technical scheme, the extension length of the elastic support can be adjusted by adjusting the transmission screw rod, so that the hollow cylinder is positioned more accurately; and the elastic piece is arranged to fasten the transmission screw rod, so that loosening of the transmission screw rod is avoided.

[0022] 1. A positioning hole is arranged on the tooling table, a plurality of positioning tables are arranged circumferentially around the positioning hole, and a plurality of positioning seats are arranged on the positioning tables, so that the complete equipment can be stably placed on the tooling table; a pressure rod arranged on a rotary air cylinder is arranged on the tooling table, and the pressure rod has a pressing rod, so that the complete equipment can be better stabilized, and the stability during the air tightness test is ensured.

[0023] 2. A fixing frame is arranged, and a sliding air cylinder is arranged on the fixing frame and used for adjusting the position of the hollow cylinder; an elastic support is arranged between the sliding air cylinder and the hollow cylinder, and the transmission screw rod on the elastic support can be used to realize more accurate positioning of the hollow cylinder, thereby facilitating installation. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic view of the overall structure of the complete equipment air tightness detection device.

[0025] Figure 2 is a top view of the complete equipment air tightness detection device.

[0026] Figure 3 is Figure 2 is an enlarged view of part A.

[0027] In the figure, 1 is a tooling table; 2 is a complete equipment; 21 is an external connecting pipe; 3 is a positioning hole; 31 is a positioning table; 311 is a positioning seat; 4 is a rotary air cylinder; 41 is a pressure rod; 411 is a pressing rod; 5 is a fixing frame; 6 is a sliding air cylinder; 61 is a transmission frame; 7 is a gas supply device; 71 is a hollow cylinder; 711 is a sealing hole; 7111 is a sealing ring; 72 is an air inlet pipe; 73 is a pressure measuring pipe; 74 is a connecting base; 8 is an elastic support; 81 is an elastic piece; 82 is a transmission screw rod; 83 is a spring base; 84 is a transmission table; 85 is a connecting table; and 851 is a connecting rod. DETAILED DESCRIPTION

[0028] The following will be described in detail with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 3 The present application will be further described in detail.

[0029] A complete equipment airtightness detection device, refer to Figure 1 , including tooling table 1, tooling table 1 is opened with positioning hole 3 can let complete equipment 2 put into, corresponding complete equipment 2 bottom step is installed positioning table 31 around positioning hole 3, and set positioning seat 311 on positioning table 31, make complete equipment 2 place more stable;Tooling table 1 is also provided with two rotary air cylinders 4, one end of rotary air cylinder 4 is fixed on tooling table 1, the other end is connected with pressure rod 41 through screw thread, the other end of pressure rod 41 is connected with pressure stick 411 through screw thread, pressure stick 411 can adjust length through screw thread, when compacting complete equipment 2 different position, can be adjusted conveniently.

[0030] Refer to Figure 1 With Figure 2 , the airtightness detection of complete equipment 2 needs to rely on gas supply device 7, first, let the hollow cylinder 71 of gas supply device 7 communicate with the internal space of complete equipment 2, set sealing hole 711 on one end of hollow cylinder 71 and connect with external connecting pipe 21 on complete equipment 2, sealing ring 7111 is installed on the inner wall of sealing hole 71, sealing ring 7111 is made of rubber, which ensures the sealing of the connection between complete equipment 2 and hollow cylinder 71;Fill gas into hollow cylinder 71 by using the air inlet pipe 72 provided on the gas supply device 7, the gas can enter complete equipment 2 from external connecting pipe 21, then observe the pressure gauge (not shown in the figure) connected to pressure measuring tube 73, stop inflating when reaching the target pressure value, observe the pressure gauge again after standing for a period of time, if the pressure value decreases more, it proves that the airtightness of complete equipment 2 is poor.

[0031] Reference Figure 2 With Figure 3 , in order to make gas supply device 7 stable and convenient during filling gas, set fixed frame 5 on tooling table 1, sliding air cylinder 6 is installed on fixed frame 5, which is mainly used for pushing gas supply device 7 to move;Elastic support 8 is provided on one side of sliding air cylinder 6, elastic support 8 includes elastic member 81, transmission screw 82, spring base 83 and transmission table 84, elastic member 81 is spring, rotating transmission screw 82 can control the extension and contraction of elastic support 8;Elastic support 8 and gas supply device 7 are respectively provided with connecting table 85 and connecting base 74, connecting rod 851 is respectively screwed with connecting table 85 and connecting base 74 at both ends, connecting rod 851 is arranged between connecting table 85 and connecting base 74 in order to leave space for air inlet pipe 72 and pressure measuring tube 73;After connecting elastic support 8 and gas supply device 7, accurate positioning of hollow cylinder 7 can be realized by rotating transmission screw 82.

[0032] The implementation principle of the embodiment of the application is:

[0033] The complete equipment 2 is placed on the jig table 1 by setting the positioning hole 3, and meanwhile, a plurality of positioning tables 31 and positioning seats 311 are attached to the bottom of the complete equipment 2 around the positioning hole 3, so that the complete equipment 2 is stably placed on the jig table 1 and is not easy to shake; the rotary cylinder 4 on the jig table 1 is used to rotate the pressure rod 41, so that the pressure rod 41 moves above the complete equipment 2, and then the pressure bar 411 installed on the pressure rod 41 is used to press the complete equipment 2, so that the fixation of the complete equipment 2 is more firm, and the inaccurate test caused by instability is avoided; the air inlet pipe 72 and the pressure measuring pipe 73 on the air supply device 7 are needed for the air tightness test, so the hollow cylinder 71 and the complete equipment 2 are sealed and connected through the external connecting pipe 21, after the connection is completed, the air inlet pipe 72 is inflated, and the pressure gauge on the pressure measuring pipe 73 is observed, so that the air tightness is judged; the fixing frame 5 on the jig table 1 is provided with the sliding cylinder 6 for moving the air supply device 7, and the elastic support 8 is further arranged between the sliding cylinder 6 and the air supply device 7, so that the air supply device 7 can be further accurately positioned and fixed by adjusting the transmission screw 82 on the elastic support 8.

[0034] The embodiments of the specific implementation are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, wherein the same parts are indicated by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A packaged equipment air tightness testing apparatus, characterized by: Including tooling platform (1), the tooling platform (1) is provided with the positioning hole (3) of placing complete equipment (2), the positioning hole (3) is peripherally provided with a plurality of positioning table (31).

2. The leak detection apparatus of claim 1, wherein: The positioning table (31) is provided with a plurality of positioning seats (311).

3. The leak detection apparatus of claim 1, wherein: The tooling platform (1) is provided with two rotary air cylinders (4), the cylinder body of two rotary air cylinders (4) is fixed on the surface of tooling platform (1), and the drive shaft of rotary air cylinder (4) is provided with pressure rod (41) that can be opposite complete equipment (2).

4. The leak detection apparatus of claim 3, wherein: The pressure rod (41) is provided with a pressure bar (411) away from the rotary air cylinder (4), and the pressure bar (411) is connected with the pressure rod (41) using a threaded connection.

5. The leak detection apparatus of claim 1, wherein: The tooling platform (1) is provided with a fixing frame (5), one side of the fixing frame (5) is provided with a sliding air cylinder (6) connected with the fixing frame (5);The sliding air cylinder (6) and complete equipment (2) are provided with a gas supply device (7).

6. The leak detection apparatus of claim 5, wherein: The gas supply device (7) comprises: a hollow cylinder (71), an air inlet pipe (72), a pressure measuring pipe (73), one end of the hollow cylinder (71) is provided with a sealing hole (711), the inner side wall of the sealing hole (711) is embedded with a sealing ring (7111), the sealing hole (711) is connected with the external tube (21) on the complete equipment (2);The end face of the hollow cylinder (71) away from the sealing hole (711) is provided with an air inlet pipe (72) and a pressure measuring pipe (73).

7. The leak detection apparatus of claim 6, wherein: The sliding air cylinder (6) is provided with a transmission frame (61) on the outer side wall, one side of the transmission frame (61) is connected and fixed with the sliding air cylinder (6), and the other side is provided with an elastic support (8);One end of the elastic support (8) is provided with a connecting table (85);One end of the hollow cylinder (71) with the air inlet pipe (72) is provided with a connecting base (74), a plurality of connecting rods (851) are arranged between the connecting base (74) and the connecting table (85), one end of the connecting rod (851) is connected with the connecting base (74), and the other end is connected with the connecting table (85).

8. The leak detection apparatus of claim 7, wherein: The elastic support (8) comprises an elastic member (81), a transmission screw (82), a spring base (83) and a transmission table (84), one side of the transmission table (84) towards the spring base (83) is provided with a transmission screw (82), and the spring base (83) is threadedly connected with the transmission screw (82);The elastic member (81) is sleeved on the outer side wall of the transmission screw (82), one end of the elastic member (81) abuts against the spring base (83), and the other end abuts against the transmission table (84).