Fire-fighting smoke exhaust valve structure with simple structure

Abstract

The utility model relates to the field of fire protection and smoke exhaust, and discloses a simple fire protection and smoke exhaust valve structure which comprises a valve body, an installation mechanism is arranged in the rear end of the valve body and comprises an installation groove formed in the rear end of the upper surface of the valve body, and limiting grooves are formed in the middles of the two sides of the inner wall of the rear end of the installation groove. And a limiting rod is slidably connected into the limiting groove, sliding blocks are fixedly connected to the outer walls of the two sides of the limiting rod, and spring grooves are formed in the two sides of the inner wall of the limiting groove. According to the mounting mechanism, the handle is pulled to drive the limiting rod to move, so that the sliding blocks on the two sides move on the sliding rod, the spring is compressed, the limiting rod can be moved out from the interior of the mounting plate, limitation to the mounting plate is relieved, and therefore the mounting plate can be quickly disassembled; and the mounting plate can be quickly mounted through directional operation, so that the efficiency of cleaning, replacing and mounting the filter screen is improved.

Description

Technical Field

[0001] The utility model relates to the field of fire smoke exhaust, in particular to a fire smoke exhaust valve structure with a simple structure. Background Art

[0002] A fire smoke exhaust valve is a device used to control the flow of smoke in a building. It is usually installed on the pipes of the smoke exhaust system. When a fire occurs, it can promptly discharge smoke and toxic gases through the pipes of the smoke exhaust system, thereby guiding the smoke to a safe area or outdoors, maintaining air circulation in the building and ensuring the safety of personnel.

[0003] Some existing fire smoke exhaust valves are opened and closed by belts. When used in this way, the belts may slip due to the high temperature of the smoke, which may result in the movable blades not being opened in time, resulting in the smoke not being discharged in time. In addition, there are a large amount of impurities and toxic gases in the smoke, and direct discharge will cause air pollution. Therefore, the smoke needs to be filtered before being discharged. The filter nets set for some fire smoke exhaust valves cannot be quickly disassembled after use, which makes it inconvenient for staff to clean and replace the filter nets.

[0004] Therefore, those skilled in the art provide a fire smoke exhaust valve structure with a simple structure to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the present utility model is to solve the shortcomings of the prior art and propose a fire smoke exhaust valve structure with a simple structure. The device drives the transmission rod to rotate through the provided opening and closing mechanism and the provided execution transmission, so that the first bevel gear on the transmission rod rotates, and then the second bevel gear is driven to rotate through the engagement of the teeth, so that the movable rod can be rotated, and then the movable blade can be rotated to open and close, so that the automatic opening and closing of the movable blade can be quickly realized with a simple structure, and the smoke can be discharged in time.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A fire smoke exhaust valve structure with a simple structure includes a valve body, a mounting mechanism is provided inside the rear end of the valve body, the mounting mechanism includes a mounting groove opened at the rear end of the upper surface of the valve body, a limiting groove is opened in the middle of both sides of the inner wall at the rear end of the mounting groove, a limiting rod is slidably connected to the inner part of the limiting groove, and sliders are fixedly connected to the outer walls on both sides of the limiting rod, spring grooves are opened on both sides of the inner wall of the limiting groove, and a sliding rod is fixedly connected to the inner wall at the rear end of the spring groove;

[0008] The front end of the valve body is provided with an opening and closing mechanism, and the opening and closing mechanism includes a protective shell fixedly connected to the front end of the outer wall of one side of the valve body, the upper surface of the protective shell is fixedly connected to an actuator, the output end of the actuator is fixedly connected to a transmission rod, the outer walls of the transmission rods are each sleeved with a first bevel gear, and the front end inner wall of the valve body is fixedly connected to a fixed frame, the opening and closing mechanism also includes a plurality of movable rods rotatably connected to the inner wall of one side of the fixed frame, the rod body of the movable rod is fixedly connected to a movable blade, and the outer wall of the movable rod on the side close to the first bevel gear is fixedly connected to a second bevel gear.

[0009] Through the above technical solution, the device can quickly open and close the movable blades through the opening and closing mechanism, discharge the smoke in time, and can quickly clean, replace and install the filter.

[0010] Furthermore, a mounting plate is provided on the inner wall of the mounting groove, a spring is sleeved on the rod body of the slide rod, and the inner wall of the slider is slidably connected to the rod body of the slide rod.

[0011] Through the above technical solution, the slider and the limit rod can be driven to move by the spring, so as to facilitate fixing the mounting plate.

[0012] Furthermore, the outer wall of the transmission rod is rotatably connected to the inner wall of the protective shell, and the first bevel gear is meshed with the second bevel gear.

[0013] With the above technical solution, the first bevel gear can drive the second bevel gear to rotate through meshing transmission.

[0014] Furthermore, a hand turntable is fixedly connected to the lower surface of the transmission rod, and a sealing plate is fixedly connected to the inner top surface and the inner bottom surface of the fixed frame.

[0015] With the above technical solution, the movable blades can be opened by rotating the hand turntable in an emergency.

[0016] Furthermore, the inner wall of the mounting plate is sequentially provided with an iron filter, a fiber filter, and an activated carbon filter.

[0017] Through the above technical solution, impurities and toxic gases in the smoke can be filtered through the iron filter, fiber filter and activated carbon filter to prevent air pollution when discharged outdoors.

[0018] Furthermore, movable handles are fixedly connected to the middle portions of the outer walls on both sides of the mounting plate.

[0019] With the above technical solution, the mounting plate can be easily removed by moving the handle.

[0020] Furthermore, a first sealing gasket is provided on the front end outer wall of the movable blade, and a second sealing gasket is provided on the rear end outer wall of the movable blade.

[0021] Through the above technical solution, the airtightness of the movable blade when closed can be improved by the first sealing gasket and the second sealing gasket.

[0022] Furthermore, a handle is fixedly connected to the rear end outer wall of the limiting rod.

[0023] Through the above technical solution, the limiting rod can be easily pulled out by the handle.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a fire smoke exhaust valve structure with a simple structure. The device drives the transmission rod to rotate through the provided opening and closing mechanism and the provided execution transmission, thereby rotating the first bevel gear on the transmission rod, and then driving the second bevel gear to rotate through the engagement of the teeth, so that the movable rod can be rotated, and then the movable blade can be rotated to open and close, so that the automatic opening and closing of the movable blade can be quickly realized with a simple structure, and the smoke can be discharged in time.

[0026] 2. The utility model proposes a fire smoke exhaust valve structure with a simple structure. The device uses a mounting mechanism to pull the handle to drive the limit rod to move, so that the sliders on both sides move on the slide rod, thereby compressing the spring, and then the limit rod can be moved out from the inside of the mounting plate, releasing the restriction on the mounting plate, so that the mounting plate can be quickly disassembled, and the directional operation can also quickly install the mounting plate, thereby improving the efficiency of cleaning, replacing and installing the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an axonometric diagram of a simple fire smoke exhaust valve structure proposed by the utility model;

[0028] Figure 2 This is an axonometric drawing of the transmission rod and other components of a simple fire smoke exhaust valve structure proposed by the utility model;

[0029] Figure 3 This is a cross-sectional view of a fire smoke exhaust valve structure with a simple structure proposed by the utility model;

[0030] Figure 4 This is a structural diagram of the opening and closing mechanism and other components of a simple fire smoke exhaust valve structure proposed by the utility model;

[0031] Figure 5 for Figure 3 Enlarged view of point A in the middle.

[0032] Legend:

[0033] 1. Valve body;

[0034] 2. Opening and closing mechanism; 201. Actuator; 202. Protective housing; 203. Transmission rod; 204. First bevel gear; 205. Second bevel gear; 206. Movable rod; 207. Movable blade;

[0035] 3. Mounting mechanism; 301. Mounting slot; 302. Mounting plate; 303. Limiting slot; 304. Spring slot; 305. Limiting rod; 306. Slider; 307. Sliding rod; 308. Spring;

[0036] 4. Moving handle; 5. Fixed frame; 6. Iron filter; 7. Fiber filter; 8. Activated carbon filter; 9. First sealing gasket; 10. Second sealing gasket; 11. Hand turntable; 12. Sealing plate; 13. Handle. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] Reference Figure 1-5 , an embodiment provided by the utility model:

[0039] A fire smoke exhaust valve structure with a simple structure includes a valve body 1. A mounting mechanism 3 is provided inside the rear end of the valve body 1. The mounting mechanism 3 includes a mounting groove 301 formed at the rear end of the upper surface of the valve body 1. A limit groove 303 is formed in the middle of both sides of the inner wall of the rear end of the mounting groove 301. A limit rod 305 is slidably connected to the inner part of the limit groove 303. Slide blocks 306 are fixedly connected to the outer walls of both sides of the limit rod 305. Spring grooves 304 are formed on both sides of the inner wall of the limit groove 303. A slide rod 307 is fixedly connected to the inner wall of the rear end of the spring groove 304.

[0040] An opening and closing mechanism 2 is provided at the front end of the valve body 1. The opening and closing mechanism 2 includes a protective shell 202 fixedly connected to the front end of the outer wall of one side of the valve body 1. The upper surface of the protective shell 202 is fixedly connected to the actuator 201. The output end of the actuator 201 is fixedly connected to the transmission rod 203. The outer walls of the transmission rods 203 are all sleeved with first bevel gears 204. The inner wall of the front end of the valve body 1 is fixedly connected to the fixed frame 5. The opening and closing mechanism 2 also includes a plurality of movable rods 206 rotatably connected to the inner wall of one side of the fixed frame 5. The rod body of the movable rod 206 is fixedly connected to a movable blade 207. The outer wall of the movable rod 206 on the side close to the first bevel gear 204 is fixedly connected to the second bevel gear 205.

[0041] The device can quickly open and close the movable blade 207 through the opening and closing mechanism 2, discharge the smoke in time, and can quickly clean, replace and install the filter.

[0042] The inner wall of the mounting groove 301 is provided with a mounting plate 302, and the rod body of the slide rod 307 is sleeved with a spring 308. The inner wall of the slider 306 is slidably connected to the rod body of the slide rod 307, so that the slider 306 and the limit rod 305 can be driven to move by the spring 308, which is convenient for fixing the mounting plate 302. The outer wall of the transmission rod 203 is rotatably connected to the inner wall of the protective shell 202, and the first bevel gear 204 is meshed with the second bevel gear 205, so that the first bevel gear 204 can drive the second bevel gear 205 to rotate through meshing transmission. The lower surface of the transmission rod 203 is fixedly connected to the hand turntable 11, and the inner top surface and the inner bottom surface of the fixed frame 5 are fixedly connected to the sealing plate 12, so that the movable blade 207 can be opened by rotating the hand turntable 11 in an emergency, and the inner wall of the mounting plate 302 The wall is provided with an iron filter 6, a fiber filter 7, and an activated carbon filter 8 in sequence, so that impurities and toxic gases in the smoke can be filtered through the iron filter 6, the fiber filter 7, and the activated carbon filter 8 to prevent air pollution when discharged outdoors. The middle part of the outer wall on both sides of the mounting plate 302 is fixedly connected with a movable handle 4, so that the mounting plate 302 can be easily moved out by the movable handle 4. The front end outer wall of the movable blade 207 is provided with a first sealing gasket 9, and the rear end outer wall of the movable blade 207 is provided with a second sealing gasket 10, so that the airtightness of the movable blade 207 when closed can be improved by the first sealing gasket 9 and the second sealing gasket 10. The rear end outer wall of the limit rod 305 is fixedly connected with a handle 13, so that the limit rod 305 can be conveniently pulled out by the handle 13.

[0043] Working principle: When in use, the fire smoke exhaust valve is installed on the pipeline. When a fire occurs inside and smoke needs to be exhausted, the opening and closing mechanism 2 is provided, and the transmission rod 203 is driven to rotate by the provided execution transmission 201, so that the first bevel gear 204 on the transmission rod 203 rotates, and then the second bevel gear 205 is driven to rotate through the tooth meshing, so that the movable rod 206 can be rotated, and then the movable blade 207 can be rotated to open and close, so that the smoke can be discharged. At the same time, the impurities and toxic gases in the smoke can be filtered through the provided iron filter 6, fiber filter 7 and activated carbon filter 8 to prevent the discharged smoke from polluting the air. When the filter needs to be removed and replaced, the provided installation mechanism 3 is used to pull the handle 13 to drive the limit rod 305 to move, so that the sliders 306 on both sides move on the slide rod 307, thereby compressing the spring 308, and then the limit rod 305 can be moved out from the inside of the mounting plate 302, releasing the restriction on the mounting plate 302, so that the mounting plate 302 and the filter can be disassembled.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fire smoke exhaust valve structure with a simple structure, comprising a valve body (1), characterized in that: A mounting mechanism (3) is provided inside the rear end of the valve body (1), and the mounting mechanism (3) includes a mounting groove (301) provided at the rear end of the upper surface of the valve body (1), and limiting grooves (303) are provided in the middle of both sides of the inner wall at the rear end of the mounting groove (301), and the limiting groove (303) is slidably connected to the inner portion of the limiting groove (303) with a limiting rod (305), and both outer walls of the limiting rod (305) are fixedly connected with a slider (306), and both sides of the inner wall of the limiting groove (303) are provided with a spring groove (304), and the inner wall at the rear end of the spring groove (304) is fixedly connected with a slide rod (307); The front end of the valve body (1) is provided with an opening and closing mechanism (2), the opening and closing mechanism (2) comprising a protective shell (202) fixedly connected to the front end of the outer wall of one side of the valve body (1), the upper surface of the protective shell (202) being fixedly connected to an actuator (201), the output end of the actuator (201) being fixedly connected to a transmission rod (203), the outer wall of each transmission rod (203) being sleeved with a first bevel gear (204), the front inner wall of the valve body (1) being fixedly connected to a fixed frame (5), the opening and closing mechanism (2) further comprising a plurality of movable rods (206) rotatably connected to the inner wall of one side of the fixed frame (5), the rod body of the movable rod (206) being fixedly connected to a movable blade (207), and the outer wall of the movable rod (206) on the side close to the first bevel gear (204) being fixedly connected to a second bevel gear (205).

2. A fire smoke exhaust valve structure with a simple structure according to claim 1, characterized in that: The inner wall of the mounting groove (301) is provided with a mounting plate (302), the rod body of the slide rod (307) is sleeved with a spring (308), and the inner wall of the slider (306) is slidably connected to the rod body of the slide rod (307).

3. A fire smoke exhaust valve structure with a simple structure according to claim 1, characterized in that: The outer wall of the transmission rod (203) is rotatably connected to the inner wall of the protective shell (202), and the first bevel gear (204) is meshedly connected to the second bevel gear (205).

4. A fire smoke exhaust valve structure with a simple structure according to claim 1, characterized in that: The lower surface of the transmission rod (203) is fixedly connected to a hand turntable (11), and the inner top surface and inner bottom surface of the fixed frame (5) are both fixedly connected to a sealing plate (12).

5. A fire smoke exhaust valve structure with a simple structure according to claim 2, characterized in that: The inner wall of the mounting plate (302) is provided with an iron filter (6), a fiber filter (7), and an activated carbon filter (8) in sequence.

6. A fire smoke exhaust valve structure with a simple structure according to claim 2, characterized in that: The middle portions of the outer walls on both sides of the mounting plate (302) are fixedly connected with movable handles (4).

7. A fire smoke exhaust valve structure with a simple structure according to claim 1, characterized in that: A first sealing gasket (9) is provided on the front outer wall of the movable blade (207), and a second sealing gasket (10) is provided on the rear outer wall of the movable blade (207).

8. The fire smoke exhaust valve structure with a simple structure according to claim 1 is characterized by: A handle (13) is fixedly connected to the rear end outer wall of the limiting rod (305).

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