Anti-explosion air valve

By introducing a triangle mount and a detachable filter air plate structure into the explosion-proof air valve, the problems of vulnerability and unstable connection of the air valve under high temperature are solved, stable connection and safe filtration are achieved, and explosion risk is reduced.

CN223203837UActive Publication Date: 2025-08-08NANJING CHUANGGUDE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422632824.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-08-08
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

The existing explosion-proof air valves are prone to damage in high temperature environments, unstable connections and the filter device cannot be disassembled, which can easily lead to safety accidents and explosion risks.

Method used

An explosion-proof air valve is designed, using a triangular mounting frame to provide internal support, and the slide rail and snap structure are easy to adjust the fan position. The built-in removable filter air plate forms an explosion-proof mechanism, which is connected by the insert rod and the buckle bar to achieve the filtering of dust and fleece.

Benefits of technology

It improves the heat resistance of the air valve, enhances the stability of the connection, facilitates the installation and maintenance of the device, and reduces the risk of explosion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-explosion air valve, which relates to the technical field of air valves and comprises an air duct, two ends of the air duct are fixedly connected with mounting ends, the outer wall of the air duct is fixedly connected with a connecting assembly, the top of the connecting assembly is movably connected with a mounting box, the inside of the mounting box is movably connected with a controller, and the controller is fixedly connected with the air duct. A sensor is arranged in the middle of the inner wall of the air duct, and the rear end of the sensor is connected with an anti-explosion mechanism. The installation frame is in a triangular shape, is installed in the air duct and plays a role in supporting the internal structure of the air duct, one end of the supporting plate is connected with the connecting base plate, the connecting base plate is a long groove type base plate made of rubber and provided with lines, and the end, connected with a long groove, of the connecting base plate is connected with the connecting rail. The filtering air plates are fixed to the inner wall of the air duct through the inserting rods, the two filtering air plates are connected through the hasp strips, the middle of the two filtering air plates is connected and fixed through the connecting nuts, and disassembly and replacement are convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of air valves, in particular to an explosion-proof air valve. Background Art

[0002] Explosion-proof air dampers are air volume regulating valves used in flammable and explosive systems and places. The materials used to make explosion-proof air dampers must meet the design requirements. Improper use of materials may cause fires during system operation due to static electricity, friction, spontaneous combustion, or chemical reactions, resulting in adverse consequences. The flame-retardant and explosion-proof air dampers commonly used today are mostly driven by a valve stem, which rotates 90° to complete a single opening and closing to achieve flame retardancy and explosion protection. However, in the smelting industry, due to the high temperature in the furnace, the flame-retardant and explosion-proof air dampers are easily damaged in the closed state, reducing their service life. Therefore, there is an urgent need for a new type of flame-retardant and explosion-proof air damper that can improve the disadvantage of the flame-retardant and explosion-proof air damper being easily damaged due to excessive temperature, extend its service life, reduce the equipment maintenance cycle, reduce costs, and improve the heat resistance of the flame-retardant and explosion-proof air damper.

[0003] The existing technology has the following problems:

[0004] 1. Existing explosion-proof air valves achieve explosion-proof effects through materials, but they do not stabilize the supporting connections of the device, making the device connections prone to collapse and damage, which can easily lead to safety accidents;

[0005] 2. The existing explosion-proof air valve and the internal connection of the air duct are equipped with a filter device to prevent dust from connecting and causing explosion. However, this filter device cannot be disassembled and replaced, which is more likely to cause explosion. Summary of the Invention

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] An explosion-proof wind valve comprises a wind tube, both ends of the wind tube are fixedly connected with mounting ends, the outer wall of the wind tube is fixedly connected with a connecting component, the top of the connecting component is movably connected with a mounting box, the interior of the mounting box is movably connected with a controller, the outer wall of the controller is sleeved with a connecting cover, a sensor is provided in the middle of the inner wall of the wind tube, the rear end of the sensor is connected to an explosion-proof mechanism, the front end of the sensor is fixedly connected with a mounting bracket, the front end of the mounting bracket is movably connected with a fan, and the inner wall of the wind tube is provided with a connecting rail.

[0008] A further improvement of the technical solution of the present utility model is that: the mounting bracket includes a connecting sleeve, the rear end of the connecting sleeve is fixedly connected to one end of the sensor, the outer wall of the connecting sleeve is fixedly connected to three groups of support plates, the front end of the support plate is fixedly connected to a slide rail, one end of the support plate is fixedly connected to a connecting pad, the front end of the slide rail is provided with a card slot, and the middle part of the front end of the slide rail is movably connected with a fixed buckle.

[0009] A further improvement of the technical solution of the present invention is that the mounting frame is installed above the connecting rail through a connecting pad and connected to the inner wall of the wind tube, and the slide rail is fixed to the front end of the support plate through a fixing buckle.

[0010] A further improvement of the technical solution of the present utility model is that: the fan includes a mounting strip, the bottom middle part of the mounting strip is clamped on the top of the slide rail, the middle part of the mounting strip is fixedly connected to the connecting end, the top of the connecting end is fixedly connected to the mounting tube, the bottom of the outer wall of the mounting tube is fixedly connected to the fixing strip, the top of the mounting tube is fixedly connected to the fixing bracket, and the middle bottom of the fixing bracket is fixedly connected to the fan.

[0011] A further improvement of the technical solution of the present utility model is that the installation cylinder is movably connected to the upper part of the slide rail, and the clamping groove plays a limiting role.

[0012] A further improvement of the technical solution of the present utility model is that: the explosion-proof mechanism includes a connecting box, the outer wall of the connecting box is movably connected to the filter air plate, a buckle strip is provided on one side of the filter sealing plate, the periphery of the filter air plate is fixedly connected to the plug rod, and a socket is provided on one side of the connecting box, and a connecting nut is plugged into the inside of the socket.

[0013] A further improvement of the technical solution of the present utility model is that the connecting nut penetrates the interior of the connecting box to connect multiple groups of filter air plates together, and is connected to the rear end of the sensor, and the two groups of filter air plates are buckled together by a buckle strip.

[0014] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0015] The utility model provides an explosion-proof wind valve, the mounting frame is in the shape of a triangle, which is installed inside the wind tube to support the internal structure of the wind tube. A slide rail is provided at the front end of the support plate, which is convenient for connecting the fan above it and can adjust the position at will, making the device more convenient to use. One end of the support plate is connected to a connecting pad, which is made of rubber material and has a long groove-shaped pad with patterns. The end connected to the long groove is connected to the connecting rail, so that it can be installed and connected at the same time, and the installation position of the device can be adjusted conveniently, making the device more convenient to use.

[0016] The utility model provides an explosion-proof wind valve. The interior of the wind duct is the main exhaust duct. The wind contains lint and dust. During the exhaust period, if it encounters high temperature, it is easy to cause an explosion. Therefore, an explosion-proof mechanism is installed inside the wind duct. The explosion-proof mechanism is connected by multiple groups of filter air plates, which are pieced together to form a plate-shaped barrier and filter inside, which can filter dust and lint to prevent the risk of explosion later. The filter air plates are fixed to the inner wall of the wind duct by an insertion rod. The two groups are connected by a buckle strip and are fixed in the middle by a connecting nut, which is convenient for disassembly and replacement, making the device more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the explosion-proof air valve of the present utility model;

[0018] Figure 2 This is a schematic structural diagram of the mounting bracket of the present utility model;

[0019] Figure 3 This is a schematic structural diagram of the fan of the present utility model;

[0020] Figure 4 It is a structural diagram of the explosion-proof mechanism of the utility model.

[0021] In the figure: 1. Air duct; 2. Mounting end; 3. Connecting assembly; 4. Mounting box; 5. Sensor; 6. Mounting bracket; 7. Fan; 8. Explosion-proof mechanism; 9. Connecting cover; 10. Controller; 11. Connecting rail; 61. Connecting sleeve; 62. Support plate; 63. Slide rail; 64. Connecting pad; 65. Slot; 66. Fixing buckle; 71. Mounting strip; 72. Connecting end; 73. Mounting tube; 74. Fixing strip; 75. Fixing bracket; 76. Fan; 81. Connecting box; 82. Air filter plate; 83. Buckle strip; 84. Insert rod; 85. Socket; 86. Connecting nut. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below with reference to the embodiments: Example

[0023] like Figure 1-4 As shown, the utility model provides an explosion-proof wind valve, including a wind tube 1, both ends of the wind tube 1 are fixedly connected with mounting ends 2, the outer wall of the wind tube 1 is fixedly connected with a connecting component 3, the top of the connecting component 3 is movably connected with a mounting box 4, the interior of the mounting box 4 is movably connected with a controller 10, the outer wall of the controller 10 is sleeved with a connecting cover 9, a sensor 5 is provided in the middle of the inner wall of the wind tube 1, the rear end of the sensor 5 is connected with an explosion-proof mechanism 8, the front end of the sensor 5 is fixedly connected with a mounting bracket 6, the front end of the mounting bracket 6 is movably connected with a fan 7, and the inner wall of the wind tube 1 is provided with a connecting rail 11.

[0024] In this embodiment, the device can be made more convenient to use through the joint action of the air duct 1, the mounting end 2, the connecting component 3, the sensor 5 and the controller 10. The two ends of the air duct 1 are fixedly connected to the mounting end 2. The mounting end 2 is an elongated cylindrical shape with many connecting holes, which makes the connection more stable. The sensor 5 is connected to the external controller 10 and can issue an alarm when the temperature rises, giving advance notice and making the device safer to use. Example

[0025] like Figure 1-4 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the mounting bracket 6 includes a connecting sleeve 61, the rear end of the connecting sleeve 61 is fixedly connected to one end of the sensor 5, the outer wall of the connecting sleeve 61 is fixedly connected to three groups of support plates 62, the front end of the support plate 62 is fixedly connected to a slide rail 63, one end of the support plate 62 is fixedly connected to a connecting pad 64, the front end of the slide rail 63 is provided with a card slot 65, and the middle part of the front end of the slide rail 63 is movably connected to a fixed buckle 66.

[0026] The mounting frame 6 is mounted above the connecting rail 11 and connected to the inner wall of the air duct 1 through a connecting pad 64 , and the slide rail 63 is fixed to the front end of the support plate 62 through a fixing buckle 66 .

[0027] In this embodiment, the device can be made more convenient to use through the joint action of the air duct 1 and the mounting bracket 6. The mounting bracket 6 is triangular in shape and is installed inside the air duct 1 to support the internal structure of the air duct 1. A slide rail 63 is provided at the front end of the support plate 62 to facilitate the connection of the fan 7 above it so that the position can be adjusted at will, making the device more convenient to use. One end of the support plate 62 is connected to a connecting pad 64, which is made of rubber and is a long groove-shaped pad with texture. The end connected to the long groove is connected to the connecting rail 11, so that it can be installed and connected at the same time, and the installation position of the device can be adjusted, making the device more convenient to use. Example

[0028] like Figure 1-4 As shown, based on Example 1, the utility model provides a technical solution: preferably, the fan 7 includes a mounting clip 71, the bottom middle part of the mounting clip 71 is clamped on the top of the slide rail 63, the middle part of the mounting clip 71 is fixedly connected to the connecting end 72, the top of the connecting end 72 is fixedly connected to the mounting tube 73, the bottom of the outer wall of the mounting tube 73 is fixedly connected to the fixing clip 74, the top of the mounting tube 73 is fixedly connected to the fixing frame 75, and the middle bottom of the fixing frame 75 is fixedly connected to the fan 76.

[0029] The mounting tube 73 is movably connected to the upper portion of the slide rail 63 , and the clamping groove 65 plays a limiting role.

[0030] In this embodiment, the joint action of the mounting frame 6 and the fan 7 can make the device more convenient to use. The mounting clip 71 of the fan 7 is slidably connected to the top of the slide rail 63, so that the mounting cylinder 73 is installed and fixed above it. Then, in order to make the mounting cylinder 73 stable, the fixed clip 74 is connected in the cross direction. The fixed clip 74 also slides above the slide rail 63, which is convenient for movement while maintaining stability. The fan 76 is installed on the inner wall of the mounting cylinder 73. The position of the mounting cylinder 73 is moved, so that the exhaust effect of the fan 7 is changed. The exhaust can be changed from being gathered together to being dispersed, or vice versa. By changing the operating position of the air valve, the exhaust effect of the air valve is changed, so as to achieve an explosion-proof effect, making the device more convenient to use. Example

[0031] like Figure 1-4 As shown, based on Example 1, the utility model provides a technical solution: preferably, the explosion-proof mechanism 8 includes a connecting box 81, the outer wall of the connecting box 81 is movably connected to the filter air plate 82, a buckle strip 83 is provided on one side of the filter sealing plate, the periphery of the filter air plate 82 is fixedly connected to the plug rod 84, and a socket 85 is provided on one side of the connecting box 81, and a nut 86 is inserted into the inside of the socket 85.

[0032] The connecting nut 86 passes through the interior of the connecting box 81 to connect the multiple groups of filter air plates 82 together, and is connected to the rear end of the sensor 5. The two groups of filter air plates 82 are connected and buckled together by the buckle strip 83.

[0033] In this embodiment, the combined effect of the air duct 1 and the explosion-proof mechanism 8 can make the device more convenient to use. The interior of the air duct 1 is the main exhaust duct, and the wind contains lint and dust. During the discharge period, if it encounters high temperature, it is easy to cause an explosion. Therefore, an explosion-proof mechanism 8 is installed inside the air duct 1. The explosion-proof mechanism 8 is connected by multiple groups of filter air plates 82, which are pieced together to form a plate-shaped barrier and filter inside. It can filter dust and lint to prevent the risk of explosion later. The filter air plates 82 are fixed to the inner wall of the air duct 1 by an insertion rod 84. The two groups are connected by a buckle strip 83, and then connected and fixed in the middle by a connecting nut 86, which is convenient for disassembly and replacement, making the device more convenient to use.

[0034] The following is a detailed description of the working principle of the explosion-proof air valve.

[0035] like Figure 1-4As shown, when this explosion-proof wind valve is in use, both ends of the wind tube 1 are fixedly connected to the mounting end 2. The mounting end 2 is an extended cylindrical shape with many connecting holes, which makes the connection more stable. The sensor 5 is connected to the external controller 10 and can sound an alarm when the temperature rises, giving advance notice, making the device safer to use. The mounting frame 6 is in a triangular shape and is installed inside the wind tube 1 to support the internal structure of the wind tube 1. A slide rail 63 is provided at the front end of the support plate 62 to facilitate the connection of the fan 7 above it so that the position can be adjusted at will, making the device more convenient to use. One end of the support plate 62 is connected to a connecting pad 64. The connecting pad 64 is made of rubber and has a long groove-shaped pad with texture. The end connected to the long groove is connected to the connecting rail 11, so that it can be installed and connected at the same time, and the installation position of the device can be adjusted, making the device more convenient to use. The mounting clip 71 of the fan 7 is slidably connected to the top of the slide rail 63, so that the mounting tube 73 is installed and fixed above it, and then in order to make the mounting tube 73 stable The filter plates 82 are fixed to the inner wall of the duct 1 by the plug rod 84, and the two groups are connected by the buckle strip 83, and the middle is fixed by the connecting nut 86, which is convenient for disassembly and replacement, making the device more convenient to use.

[0036] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An explosion-proof air valve, comprising an air duct (1), characterized in that: The two ends of the wind tube (1) are fixedly connected to mounting ends (2), the outer wall of the wind tube (1) is fixedly connected to a connecting assembly (3), the top of the connecting assembly (3) is movably connected to a mounting box (4), the interior of the mounting box (4) is movably connected to a controller (10), the outer wall of the controller (10) is sleeved with a connecting cover (9), a sensor (5) is provided in the middle of the inner wall of the wind tube (1), the rear end of the sensor (5) is connected to an explosion-proof mechanism (8), the front end of the sensor (5) is fixedly connected to a mounting frame (6), the front end of the mounting frame (6) is movably connected to a fan (7), and the inner wall of the wind tube (1) is provided with a connecting rail (11).

2. The explosion-proof air valve according to claim 1, characterized in that: The mounting frame (6) includes a connecting sleeve (61), the rear end of the connecting sleeve (61) is fixedly connected to one end of the sensor (5), the outer wall of the connecting sleeve (61) is fixedly connected to three groups of support plates (62), the front end of the support plate (62) is fixedly connected to a slide rail (63), one end of the support plate (62) is fixedly connected to a connecting pad (64), the front end of the slide rail (63) is provided with a card slot (65), and the middle part of the front end of the slide rail (63) is movably connected to a fixed buckle (66).

3. The explosion-proof air valve according to claim 2, characterized in that: The mounting frame (6) is mounted above the connecting rail (11) and connected to the inner wall of the wind tube (1) via a connecting pad (64), and the sliding rail (63) is fixed to the front end of the support plate (62) via a fixing buckle (66).

4. The explosion-proof air valve according to claim 1, characterized in that: The fan (7) includes a mounting clip (71), the bottom middle portion of the mounting clip (71) is clamped on the top of the slide rail (63), the middle portion of the mounting clip (71) is fixedly connected to a connecting end (72), the top of the connecting end (72) is fixedly connected to a mounting tube (73), the bottom of the outer wall of the mounting tube (73) is fixedly connected to a fixing clip (74), the top of the mounting tube (73) is fixedly connected to a fixing frame (75), and the middle bottom of the fixing frame (75) is fixedly connected to a fan (76).

5. The explosion-proof air valve according to claim 4, characterized in that: The mounting cylinder (73) is movably connected to the upper side of the slide rail (63), and the clamping groove (65) plays a limiting role.

6. The explosion-proof air valve according to claim 1, characterized in that: The explosion-proof mechanism (8) includes a connection box (81), the outer wall of the connection box (81) is movably connected to a filter air plate (82), a buckle strip (83) is provided on one side of the filter sealing plate, the periphery of the filter air plate (82) is fixedly connected to an insertion rod (84), and a socket (85) is provided on one side of the connection box (81), and a connection nut (86) is inserted into the interior of the socket (85).

7. The explosion-proof air valve according to claim 6, characterized in that: The connecting nut (86) penetrates the interior of the connecting box (81) to connect multiple groups of filter air plates (82) together, and is connected to the rear end of the sensor (5). The two groups of filter air plates (82) are connected and buckled together by a buckle strip (83).