Underground civil air defense smoke exhaust valve structure

Abstract

The utility model discloses an underground civil air defense smoke exhaust valve structure, which belongs to the technical field of smoke exhaust valves and comprises an outer shell, a mounting seat is fixedly mounted on the outer surface of the outer shell, a mounting bolt is mounted on the mounting seat in a threaded manner, and two baffles are rotatably mounted in the outer shell. A motor with an output shaft connected with the rotating axis of the baffle is fixedly installed on the surface of the outer shell, a smoke exhaust fan is fixedly installed on the inner wall of the outer shell, a dust filtering net is detachably installed in the outer shell, an upper fixing plate and a lower fixing plate are movably arranged in the outer shell, and fixing bolts are installed on the fixing plates in a threaded mode. The dust filtering net is arranged to be used in cooperation with the outer shell, the dust filtering net is arranged in the outer shell, inlet and outlet flue gas can be filtered, dust particulate matter in the flue gas is prevented from being discharged, the good limiting effect is achieved, the fixing screw is used in cooperation with the nut and the limiting block, the dust filtering net is convenient to disassemble and assemble, and the structure is simple.

Description

Technical Field

[0001] The utility model belongs to the technical field of smoke exhaust valves, and in particular relates to an underground civil air defense smoke exhaust valve structure. Background Art

[0002] The smoke exhaust valve is installed at the end of each branch pipe of the mechanical smoke exhaust system. It is usually closed and meets the air leakage requirements. It is opened when there is a fire or smoke exhaust is needed. The installation and use of smoke exhaust valves in underground civil air defense projects is of top priority.

[0003] The existing smoke exhaust valve only has the function of conveying and discharging the inlet and outlet smoke when in use, but cannot effectively filter the inlet and outlet smoke. Dust particles mixed in the smoke will be conveyed simultaneously, which will have a certain impact on the environment. Utility Model Content

[0004] The purpose of the utility model is to provide an underground civil air defense smoke exhaust valve structure to solve the problem that the existing smoke exhaust valve proposed in the above background technology only has the function of conveying and discharging the incoming and outgoing smoke when in use, but cannot effectively filter the incoming and outgoing smoke, and the dust particles mixed in the smoke will be conveyed simultaneously, which will have a certain impact on the environment.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an underground civil air defense smoke exhaust valve structure, comprising an outer shell, a mounting seat is fixedly installed on the outer surface of the outer shell, a mounting bolt is threadedly installed on the mounting seat, two baffles are rotatably installed in the outer shell, an output shaft is fixedly installed on the surface of the outer shell and is connected to the rotating axis of the baffle plate, a smoke exhaust fan is fixedly installed on the inner wall of the outer shell, a dust filter is detachably installed in the outer shell, and two upper and lower fixing plates are movably arranged in the outer shell, fixing bolts are threadedly installed on the fixing plates, the tail ends of the fixing bolts pass through the fixing plates and are threadedly connected to the outer shell, a lead screw is rotatably installed between the two fixing plates, a motor is fixedly installed on the surface of one of the fixing plates, the output shaft of the motor is fixedly connected to one end of the lead screw, a threaded plate is threadedly installed on the outer surface of the lead screw, and a cleaning brush is detachably installed on the side of the threaded plate, and the bristles of the cleaning brush are arranged in fit with the side of the dust filter.

[0006] By adopting the above scheme, a dust filter is set to be used in conjunction with the outer shell. The dust filter set in the outer shell can filter the incoming and outgoing flue gas to prevent dust particles in the flue gas from being discharged, which has a good limiting effect. The fixing screws are used in conjunction with nuts and limiting blocks to facilitate the disassembly and assembly of the dust filter. The structure is simple. A cleaning brush is set to be used in conjunction with the dust filter. The cleaning brush is detachably installed on the side of the threaded plate. The lead screw and the threaded plate are used to drive the cleaning brush up and down to clean the dust filter, prevent the mesh from being blocked, ensure the smooth penetration of the gas, and facilitate the subsequent disassembly and maintenance of the cleaning brush.

[0007] In the above solution, it should be noted that the motor, the electric machine and the smoke exhaust fan are all electrically connected to an external power supply.

[0008] As a preferred implementation, a mounting groove is provided on the outer surface of the outer shell, and a sealing ring is embedded in the inner wall of the mounting groove.

[0009] By adopting the above scheme, the setting of the sealing ring can ensure that the outer shell has a good sealing effect when it is inserted into the civil air defense installation hole below, so that gas and smoke can only penetrate from the inside of the outer shell.

[0010] As a preferred embodiment, a plurality of limit blocks are fixedly installed on the side of the dust filter, a plurality of limit grooves for inserting the limit blocks are opened on the inner wall of the outer shell, and fixing screws are fixedly installed in the limit grooves, a through hole is opened on the limit block, the fixing screw passes through the through hole and a nut is threadedly installed, and the nut is fit-fittingly arranged on the side of the limit block.

[0011] By adopting the above scheme, the limit block is inserted into the limit groove, and the fixing screw is passed through the through hole and then screwed on the nut for use, thereby realizing convenient installation operation of the dust filter, which has a simple structure and is easy to disassemble and assemble.

[0012] As a preferred embodiment, a plurality of trapezoidal blocks are fixedly mounted on the surface of the fixing plate, and a plurality of trapezoidal grooves for inserting the trapezoidal blocks are formed on the inner wall of the outer shell.

[0013] By adopting the above solution, the trapezoidal block is used in conjunction with the trapezoidal groove to limit the fixing plate, thereby preventing the fixing plate from loosening and shaking.

[0014] As a preferred implementation, a plurality of guide rods are fixedly mounted between the two fixing plates, and the threaded plates are slidably mounted on the outer surfaces of the guide rods.

[0015] By adopting the above solution, the setting of the guide rod can support and guide the up and down movement of the threaded plate, improve the movement stability and prevent shaking.

[0016] As a preferred embodiment, an insert plate is fixedly installed on the side of the cleaning brush, a plate groove is opened on the threaded plate for the insert plate to be inserted, an insert rod is slidably installed on the side of the threaded plate, an operating plate is fixedly installed on one end of the insert rod, a spring is fixedly installed between the operating plate and the threaded plate, and the other end of the insert rod extends into the plate groove and is used in conjunction with the rod groove opened on the side of the insert plate.

[0017] By adopting the above scheme, when the plug plate is inserted into the plate slot, the elasticity of the spring is used to drive the plug rod to be inserted into the rod slot, so that the plug plate can be locked, and then the installation operation of the cleaning brush is completed. The installation structure is simple and convenient for subsequent disassembly and assembly.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The underground civil air defense smoke exhaust valve structure is used by setting a dust filter net in conjunction with the outer shell. The dust filter net is set in the outer shell to filter the inlet and outlet smoke gas to prevent dust particles in the smoke from being discharged, which has a good limiting effect. The fixing screw is used in conjunction with the nut and the limiting block, which is convenient for disassembly and assembly of the dust filter net and has a simple structure.

[0020] The underground civil air defense smoke exhaust valve structure is used in conjunction with a dust filter by arranging a cleaning brush. The cleaning brush is detachably mounted on the side of a threaded plate. The lead screw and the threaded plate are used to drive the cleaning brush to move up and down, thereby cleaning the dust filter and preventing clogging of the mesh. This ensures smooth penetration of gas and facilitates subsequent disassembly and maintenance of the cleaning brush. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the cross section of the outer shell of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the outer shell of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the dust filter of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the fixing plate of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the threaded plate and the plug plate of the utility model.

[0027] In the figure: 1. outer shell; 2. mounting base; 3. mounting bolts; 4. baffle plate; 5. motor; 6. exhaust fan; 7. dust filter; 8. fixing plate; 9. lead screw; 10. motor; 11. threaded plate; 12. fixing bolts; 13. cleaning brush; 14. sealing ring; 15. limit block; 16. fixing screws; 17. nut; 18. trapezoidal block; 19. guide rod; 20. plug plate; 21. plug rod; 22. operating panel; 23. spring. DETAILED DESCRIPTION

[0028] See also Figure 1-6 The utility model provides an underground civil air defense smoke exhaust valve structure, including an outer shell 1, a mounting seat 2 is fixedly installed on the outer surface of the outer shell 1, and a mounting bolt 3 is threadedly installed on the mounting seat 2, two baffle plates 4 are rotatably installed in the outer shell 1, a motor 5 whose output shaft is connected to the rotating axis of the baffle plate 4 is fixedly installed on the surface of the outer shell 1, a smoke exhaust fan 6 is fixedly installed on the inner wall of the outer shell 1, and a dust filter 7 is detachably installed in the outer shell 1, and two upper and lower fixing plates 8 are movably arranged in the outer shell 1, and fixing bolts 12 are threadedly installed on the fixing plates 8. The tail end of the fixing bolt 12 passes through the fixing plates 8 and is threadedly connected to the outer shell 1, and a lead screw 9 is rotatably installed between the two fixing plates 8, and a motor 10 is fixedly installed on the surface of one of the fixing plates 8, and the output shaft of the motor 10 is fixedly connected to one end of the lead screw 9, and a threaded plate 11 is threadedly installed on the outer surface of the lead screw 9, and a cleaning brush 13 is detachably installed on the side of the threaded plate 11, and the bristles of the cleaning brush 13 are arranged in contact with the side of the dust filter 7.

[0029] An installation groove is provided on the outer surface of the outer shell 1, and a sealing ring 14 is embedded in the inner wall of the installation groove. The setting of the sealing ring 14 can ensure that the outer shell 1 has a good sealing effect when inserted into the civil air defense installation hole below, so that gas and smoke can only penetrate from the inside of the outer shell 1.

[0030] A plurality of limit blocks 15 are fixedly installed on the side of the dust filter 7, and a plurality of limit grooves for inserting the limit blocks 15 are provided on the inner wall of the outer shell 1, and fixing screws 16 are fixedly installed in the limit grooves. A through hole is provided on the limit block 15, and the fixing screws 16 pass through the through hole and are threadedly installed with nuts 17, which are fitted on the side of the limit block 15. The limit block 15 is inserted into the limit groove, and the nuts 17 are screwed on after the fixing screws 16 pass through the through hole, thereby realizing convenient installation and operation of the dust filter 7, with a simple structure and convenient disassembly and assembly.

[0031] A plurality of trapezoidal blocks 18 are fixedly mounted on the surface of the fixing plate 8, and a plurality of trapezoidal grooves for the trapezoidal blocks 18 to be inserted are provided on the inner wall of the outer shell 1. The trapezoidal blocks 18 are used in conjunction with the trapezoidal grooves to limit the fixing plate 8, thereby preventing the fixing plate 8 from loosening and shaking.

[0032] A plurality of guide rods 19 are fixedly installed between the two fixing plates 8, and the threaded plate 11 is slidably installed on the outer surface of the guide rods 19. The setting of the guide rods 19 can support and guide the up and down movement of the threaded plate 11, improve the movement stability, and prevent shaking.

[0033] A plug plate 20 is fixedly installed on the side of the cleaning brush 13, and a plate groove for inserting the plug plate 20 is opened on the threaded plate 11. A plug rod 21 is slidably installed on the side of the threaded plate 11, and an operating plate 22 is fixedly installed on one end of the plug rod 21. A spring 23 is fixedly installed between the operating plate 22 and the threaded plate 11, and the other end of the plug rod 21 extends into the plate groove and is used in conjunction with the rod groove opened on the side of the plug plate 20. When the plug plate 20 is inserted into the plate groove, the elasticity of the spring 23 is used to drive the plug rod 21 to be inserted into the rod groove, so that the plug plate 20 can be locked, and then the installation operation of the cleaning brush 13 is completed. The installation structure is simple and convenient for subsequent disassembly and assembly.

[0034] When in use, the outer shell 1 is inserted into the exhaust installation hole of the underground civil air defense project, and the installation and fixing are carried out with the installation bolts 3 and the mounting seat 2, and the sealing ring 14 is used to ensure a good seal. When exhausting smoke, the motor 5 and the smoke exhaust fan 6 are started, and the motor 5 drives the baffle plate 4 to rotate and expand, so that the smoke extracted by the smoke exhaust fan 6 can penetrate and be discharged from the inside of the outer shell 1. At the same time, the dust filter 7 filters the smoke gas to prevent dust particles from being discharged. At the same time, the motor 10 drives the screw 9 to rotate, and then drives the threaded plate 11 to move up and down, and then drives the cleaning brush 13 to move up and down to clean the dust filter 7 and prevent the filter from being blocked. When the dust filter 7 and the cleaning brush 13 need to be cleaned later, unscrew the fixing bolts 12 to release the lock of the fixing plate 8, slide and take out the fixing plate 8, and then take out the cleaning brush 13, pull the operating panel 22 to drive the plug rod 21 out of the rod groove, unlock the plug plate 20, remove the cleaning brush 13, unscrew the nut 17 to unlock the dust filter 7 and slide it out.

Claims

1. An underground civil air defense smoke exhaust valve structure, characterized in that: The invention comprises an outer shell (1), a mounting seat (2) is fixedly mounted on the outer surface of the outer shell (1), a mounting bolt (3) is threadedly mounted on the mounting seat (2), two baffle plates (4) are rotatably mounted inside the outer shell (1), a motor (5) whose output shaft is connected to the rotating axis of the baffle plates (4) is fixedly mounted on the surface of the outer shell (1), a smoke exhaust fan (6) is fixedly mounted on the inner wall of the outer shell (1), a dust filter (7) is detachably mounted inside the outer shell (1), and two fixing plates (8) are movably arranged one above the other inside the outer shell (1), and the fixing plates (8) are threadedly mounted on the fixing plates (8). A fixing bolt (12) is installed, the tail end of the fixing bolt (12) passes through the fixing plate (8) and is threadedly connected to the outer shell (1), a lead screw (9) is rotatably installed between the two fixing plates (8), a motor (10) is fixedly installed on the surface of one of the fixing plates (8), the output shaft of the motor (10) is fixedly connected to one end of the lead screw (9), a threaded plate (11) is threadedly installed on the outer surface of the lead screw (9), a cleaning brush (13) is detachably installed on the side of the threaded plate (11), and the bristles of the cleaning brush (13) are arranged to fit the side of the dust filter (7).

2. The underground civil air defense smoke exhaust valve structure according to claim 1 is characterized in that: The outer surface of the outer shell (1) is provided with a mounting groove, and the inner wall of the mounting groove is embedded with a sealing ring (14).

3. The underground civil air defense smoke exhaust valve structure according to claim 1 is characterized in that: A plurality of limit blocks (15) are fixedly installed on the side of the dust filter (7); a plurality of limit grooves for inserting the limit blocks (15) are provided on the inner wall of the outer shell (1); and fixing screws (16) are fixedly installed in the limit grooves; a through hole is provided on the limit block (15); the fixing screw (16) passes through the through hole and is threadedly installed with a nut (17); and the nut (17) is arranged in close contact with the side of the limit block (15).

4. The underground civil air defense smoke exhaust valve structure according to claim 1 is characterized in that: A plurality of trapezoidal blocks (18) are fixedly mounted on the surface of the fixing plate (8), and a plurality of trapezoidal grooves for inserting the trapezoidal blocks (18) are provided on the inner wall of the outer shell (1).

5. The underground civil air defense smoke exhaust valve structure according to claim 1 is characterized by: A plurality of guide rods (19) are fixedly installed between the two fixed plates (8), and the threaded plates (11) are slidably installed on the outer surfaces of the guide rods (19).

6. The underground civil air defense smoke exhaust valve structure according to claim 1 is characterized by: A plug plate (20) is fixedly mounted on the side of the cleaning brush (13); a plate groove for inserting the plug plate (20) is provided on the threaded plate (11); a plug rod (21) is slidably mounted on the side of the threaded plate (11); an operating plate (22) is fixedly mounted on one end of the plug rod (21); a spring (23) is fixedly mounted between the operating plate (22) and the threaded plate (11); the other end of the plug rod (21) extends into the plate groove and is used in conjunction with the rod groove provided on the side of the plug plate (20).

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