A structure for testing the airtightness of explosion-proof enclosures for explosion-proof products

By designing an explosion-proof enclosure airtightness testing structure for explosion-proof products, and utilizing airtight mechanisms and sealing gaskets to test the airtightness of the explosion-proof enclosure, the problem of the inability to effectively test the moisture protection of explosion-proof enclosures in existing technologies is solved, ensuring high sealing performance and a leak-proof user experience.

CN224518039UActive Publication Date: 2026-07-17TONGXIN INTELLIGENT TECHNOLOGY (TIANJIN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TONGXIN INTELLIGENT TECHNOLOGY (TIANJIN) CO LTD
Filing Date
2025-09-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies are insufficient to effectively test the protection capability of explosion-proof enclosures against long-term moisture, especially in offshore platform equipment, where traditional water pressure spray tests cannot meet high waterproof requirements.

Method used

A detection structure including an outer shell, a pagoda connector, a limiting block, an air pipe, and an airtight mechanism was designed. The airtightness of the explosion-proof box is detected by components such as pressure rods, baffles, bolts, and springs in the airtight mechanism. Sealing is ensured by using sealing gaskets and guide rods, and leakage is detected by observing bubbles when filling with compressed air and water.

Benefits of technology

It achieves high sealing performance testing of the explosion-proof enclosure, prevents leakage risks caused by disassembly, and provides a better user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application provides a structure for testing the airtightness of explosion-proof enclosures for explosion-proof products, belonging to the technical field of airtightness testing structures. This structure includes an enclosure, a pagoda connector, a limiting block, an air pipe, and an airtight mechanism. The enclosure is threaded into the explosion-proof enclosure, the limiting block is inserted into the enclosure, the pagoda connector is threaded into the enclosure, the air pipe is sleeved on the pagoda connector, and the airtight mechanism is installed inside the enclosure. The airtight mechanism is used to test the airtightness of the explosion-proof enclosure. The airtight mechanism includes a pressure rod, a baffle, bolts, and a spring. This structure is simple in design, easy to manufacture, and can detect the high sealing performance of the explosion-proof enclosure while preventing leakage risks from device disassembly, providing a better user experience.
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Description

Technical Field

[0001] This utility model relates to the field of airtightness testing structure technology, specifically to an airtightness testing structure for explosion-proof enclosures of explosion-proof products. Background Technology

[0002] Offshore platform equipment, especially equipment above the sea surface, has very high requirements for waterproofing, particularly in meeting explosion-proof requirements while also having high requirements for moisture protection. However, the general factory water pressure spray test is difficult to test the equipment's long-term moisture protection. Therefore, a structure for testing the airtightness of the explosion-proof enclosure of explosion-proof products is provided. Utility Model Content

[0003] In view of this, the problem to be solved by this utility model is to provide a structure for detecting the airtightness of the explosion-proof enclosure of explosion-proof products.

[0004] To solve the above technical problems, the technical solution adopted by this utility model is: a structure for detecting the airtightness of an explosion-proof enclosure for explosion-proof products, including an enclosure, a pagoda connector, a limiting block, an air pipe, and an airtight mechanism. The enclosure is threadedly inserted into the explosion-proof box, the limiting block is inserted into the enclosure, the pagoda connector is threadedly inserted into the enclosure, and the air pipe is sleeved on the pagoda connector.

[0005] The airtight mechanism is installed inside the outer casing, and is used to test the airtightness of the explosion-proof box.

[0006] In one embodiment of this application, the airtight mechanism includes a pressure rod, a baffle, a bolt, and a spring. The pressure rod is inserted into the outer casing, the bolt slides through the baffle, and the bolt is also threaded onto the pressure rod. One end of the spring is fixed to the upper surface of the baffle, and the other end of the spring is attached to the pressure rod. The spring is also sleeved on the pressure rod.

[0007] In one embodiment of this application, a first sealing gasket is further included, which is sleeved on the pressure rod.

[0008] In one embodiment of this application, a guide rod is further included, the upper end of which is fixed inside the housing, and the guide rod slides through the baffle.

[0009] In one embodiment of this application, a second sealing gasket is further included, which is sleeved on the pagoda connector and disposed between the pagoda connector and the outer shell.

[0010] In one embodiment of this application, a third sealing gasket is further included, which is sleeved on the housing and disposed between the housing and the connector.

[0011] In one embodiment of this application, a connector is further included, which is disposed on the explosion-proof box, and the outer shell is threadedly inserted into the connector.

[0012] In one embodiment of this application, the limiting block has a through hole, and the bolt is inserted into the through hole.

[0013] The advantages and positive effects of this utility model are:

[0014] With its simple structure and easy manufacturing, it can detect the high sealing performance of the explosion-proof box and prevent the risk of leakage caused by disassembly of the device, thus providing users with a better user experience. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a three-dimensional structural diagram of a structure for detecting the airtightness of an explosion-proof enclosure for explosion-proof products according to this utility model;

[0017] Figure 2 This is a schematic diagram of a structure for detecting the airtightness of an explosion-proof enclosure for explosion-proof products according to this utility model;

[0018] Figure 3 This is a cross-sectional view of a structure for testing the airtightness of an explosion-proof enclosure for explosion-proof products according to this utility model;

[0019] Figure 4 This is a cross-sectional view of the explosion-proof box of this utility model;

[0020] Figure 5 This is a diagram showing the relationship between the air tube, pagoda connector, outer shell, and airtight mechanism of this utility model.

[0021] Figure 6 This is a diagram showing the relationship between the outer shell and the airtight mechanism of this utility model;

[0022] Figure 7 This is a diagram showing the relationship between the trachea, the pagoda connector, and the limiting block of this utility model;

[0023] Figure 8 This is a three-dimensional structural diagram of this practical explosion-proof box;

[0024] Figure 9 This is a three-dimensional structural diagram of the pagoda connector of this utility model.

[0025] In the diagram: 110, outer casing; 120, pagoda connector; 130, airtight mechanism; 131, pressure rod; 132, first sealing gasket; 133, baffle; 134, guide rod; 135, bolt; 136, spring; 140, limit block; 150, second sealing gasket; 160, air pipe; 170, third sealing gasket; 180, explosion-proof box; 190, connector; 191, through hole. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] Please see Figures 1-9This application provides a technical solution: a structure for testing the airtightness of an explosion-proof enclosure for explosion-proof products, including an enclosure 110, a pagoda connector 120, a limiting block 140, an air pipe 160, and an airtight mechanism 130. The enclosure 110 is threaded into an explosion-proof box 180, the limiting block 140 is inserted into the enclosure 110, the pagoda connector 120 is threaded into the enclosure 110, and the air pipe 160 is sleeved on the pagoda connector 120. It also includes a second sealing gasket 150, which is sleeved on the pagoda connector 120 and positioned between the pagoda connector 120 and the enclosure 110. The device ensures the sealing between the outer shell 110 and the pagoda connector 120, and also includes a third sealing gasket 170. The third sealing gasket 170 is sleeved on the outer shell 110 and is located between the outer shell 110 and the connector 190. The third sealing gasket 170 ensures the sealing between the outer shell 110 and the connector 190. The device also includes a connector 190, which is located on the explosion-proof box 180. The outer shell 110 is threaded into the connector 190. The limiting block 140 has a through hole 191, and the bolt 135 is inserted into the through hole 191. The through hole 191 supports the bolt 135.

[0030] An airtight mechanism 130 is installed inside the housing 110. The airtight mechanism 130 is used to test the airtightness of the explosion-proof enclosure 180. The airtight mechanism 130 includes a pressure rod 131, a baffle 133, a bolt 135, and a spring 136. The pressure rod 131 is inserted into the housing 110. The bolt 135 slides through the baffle 133 and is also threaded onto the pressure rod 131. One end of the spring 136 is fixed to the upper surface of the baffle 133, and the other end of the spring 136 is attached to the pressure rod 131. On the force rod 131, the spring 136 is also sleeved on the pressure rod 131, and a first sealing gasket 132 is also included. The first sealing gasket 132 is sleeved on the pressure rod 131, and the setting of the first sealing gasket 132 can achieve the sealing between the pressure rod 131 and the outer shell 110. It also includes a guide rod 134, the upper end of the guide rod 134 is fixed inside the outer shell 110, and the guide rod 134 slides through the baffle 133. The setting of the guide rod 134, the baffle 133 and the bolt 135 can realize the straight up and down movement of the pressure rod 131.

[0031] The working principle and process of this utility model are as follows: In use, the first sealing gasket 132 is fitted onto the pressure rod 131, then the pressure rod 131 is inserted into the outer casing 110, then the baffle 133 is fitted onto the guide rod 134, and the spring 136 is fitted onto the pressure rod 131. Then, the bolt 135 is threaded onto the pressure rod 131, and the bolt 135 slides on the baffle 133. Next, the third sealing gasket 170 is fitted onto the outer casing 110, and then the outer casing 110 is threaded into the connector 190. Next, the limiting block 140 is inserted into the outer casing 110. Then, the second sealing gasket 150 is fitted onto the pagoda connector 120. The pagoda connector 120 is then threaded into the outer casing 110, with its upper end supporting the limiting block 140. Finally, the air pipe 160 is fitted onto the pagoda connector 120. The initial spring 136, by compressing the pressure rod 131, exposes the gap between the pressure rod 131 and the outer casing 110, allowing compressed air to be pumped into the explosion-proof box 180 through the air pipe 160. When the internal pressure of the explosion-proof box 180 is high... When input pressure is applied, spring 136 compresses pressure rod 131, causing the first sealing gasket 132 to adhere to the outer casing 110, sealing the gap between pressure rod 131 and outer casing 110. This closes the vent hole, shutting off the input pressure. The explosion-proof box 180 maintains a certain pressure, achieving a seal on its internal cavity. The entire device is then submerged in water, and the presence of air bubbles around the explosion-proof box 180 is observed. The absence of air bubbles indicates no leakage, signifying high sealing performance of the explosion-proof box 180. After a specified observation period, the explosion-proof box 180 is... The explosion-proof enclosure 180 is removed from the water. Finally, the outer shell 110 is unscrewed from the connector 190 following the reverse steps described above. Finally, sealant is poured into the connector 190. After the sealant dries, the explosion-proof enclosure 180 is sealed, which not only meets the explosion-proof requirements but also prevents the risk of leakage caused by device disassembly. This explosion-proof enclosure airtightness testing structure for explosion-proof products has a simple structure and is easy to manufacture. It can detect the high sealing performance of the explosion-proof enclosure 180 and prevent the risk of leakage caused by device disassembly, providing users with a better user experience.

[0032] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made within the scope of this utility model should still fall within the scope of this patent.

Claims

1. An explosion-proof housing airtightness detection structure for an explosion-proof product, characterized by, The device includes an outer shell (110), a pagoda connector (120), a limiting block (140), an air pipe (160), and an airtight mechanism (130). The outer shell (110) is threaded into an explosion-proof box (180), the limiting block (140) is inserted into the outer shell (110), the pagoda connector (120) is threaded into the outer shell (110), and the air pipe (160) is sleeved on the pagoda connector (120). The airtight mechanism (130) is installed inside the outer casing (110), and the airtight mechanism (130) is used to test the airtightness of the explosion-proof box (180).

2. The gas-tightness detection structure for the explosion-proof enclosure of the explosion-proof product according to claim 1, characterized in that, The airtight mechanism (130) includes a pressure rod (131), a baffle (133), a bolt (135), and a spring (136). The pressure rod (131) is inserted into the outer casing (110). The bolt (135) slides through the baffle (133) and is also threaded onto the pressure rod (131). One end of the spring (136) is fixed to the upper surface of the baffle (133), and the other end of the spring (136) is attached to the pressure rod (131). The spring (136) is also sleeved on the pressure rod (131).

3. The gas-tightness detection structure for the explosion-proof enclosure of the explosion-proof product according to claim 2, characterized in that, It also includes a first sealing gasket (132), which is fitted onto the pressure rod (131).

4. The gas-tightness detection structure for the explosion-proof enclosure of the explosion-proof product according to claim 2, characterized in that, It also includes a guide rod (134), the upper end of which is fixed inside the housing (110), and the guide rod (134) slides through the baffle (133).

5. The gas-tightness detection structure for the explosion-proof enclosure of the explosion-proof product according to claim 1, characterized in that, It also includes a second sealing gasket (150), which is fitted onto the pagoda connector (120) and disposed between the pagoda connector (120) and the outer shell (110).

6. The gas-tightness detection structure for the explosion-proof enclosure of the explosion-proof product according to claim 1, characterized in that, It also includes a third sealing gasket (170), which is sleeved on the housing (110) and disposed between the housing (110) and the connector (190).

7. The gas-tightness detection structure for the explosion-proof enclosure of the explosion-proof product according to claim 1, characterized in that, It also includes a connector (190), which is disposed on the explosion-proof box (180), and the outer shell (110) is threaded into the connector (190).

8. The gas-tightness detection structure for the explosion-proof enclosure of the explosion-proof product according to claim 2, characterized in that, The limiting block (140) has a through hole (191), and the bolt (135) is inserted into the through hole (191).