Resettable smoke exhaust fireproof valve

Abstract

The utility model relates to the technical field of smoke exhaust valves, in particular to a resettable smoke exhaust fireproof valve which comprises a valve seat, an indicating lamp and an alarm are fixedly installed on the left side of the valve seat, an electric push rod and a control module are fixedly arranged at the top of the valve seat, and a rack plate is fixedly installed at the telescopic end of the electric push rod through a connecting block. A rotating shaft, a smoke and fire sensor, a temperature sensor and a smoke exhaust fan are arranged in the valve seat, valve blades are arranged on the outer side of the rotating shaft, and the top end of the rotating shaft rotationally penetrates through the inner wall of the top end of the valve seat through a bearing and is fixedly provided with a gear. By means of the structural design of the temperature sensor, the control module, the electric push rod, the rack plate and the gear, the electric push rod can be driven through combination of the temperature sensor and the control module, the purpose of opening and closing the valve blades is achieved under meshing connection of the rack plate and the gear, and the requirement for resetting of the fireproof valve is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of smoke exhaust valve, concretely is a resettable smoke exhaust fire damper. BACKGROUND

[0002] The smoke exhaust fire damper is the key safety equipment, is used for discharging smoke and preventing the spread of fire when the fire, is generally installed on the pipeline of mechanical smoke exhaust system, is in the open state usually, opens when the fire and exhausts, closes when the smoke exhaust pipeline smoke temperature reaches 280 degrees, and meets the smoke leakage amount and fire resistance integrity requirement in a certain time, plays the role of smoke isolation and fire prevention.

[0003] At present, the resettable smoke exhaust fire damper does not have the reset function when closing, so when using, it needs to be reset manually, and the installation position of the fire damper is too high, which brings trouble to the subsequent reset operation, is not favorable for subsequent maintenance, and the fire damper does not have a reminding function, so that the user cannot know the working state of the fire damper, which is not conducive to subsequent measures.

[0004] In summary, the utility model discloses a resettable smoke exhaust fire damper to solve the problems in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model discloses a resettable smoke exhaust fire damper to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A resettable smoke exhaust fire damper, including the valve seat, the outer side front end of valve seat is fixedly installed with the mounting plate, the left side of valve seat is fixedly installed with indicator lamp and siren respectively, the top of valve seat is fixedly provided with electric push rod and control module respectively, the telescopic end of electric push rod is fixedly installed with rack plate through connecting block, the inside of valve seat is provided with pivot, smoke fire sensor, temperature sensor and smoke exhaust fan respectively, the outer side of pivot is provided with valve leaf, the top of pivot is rotatably penetrated to the top inner wall of valve seat through bearing and is fixedly installed with gear.

[0008] As the preferred scheme of the utility model, the rear surface of the mounting plate is provided with a plurality of mounting holes.

[0009] As the preferred scheme of the utility model, the pivot has a plurality of, and the plurality of pivots are equidistantly distributed about the inner wall of the valve seat, and the tooth surface of the rack plate is connected with the gear.

[0010] As the preferred scheme of the utility model, the cross section shape of the valve leaf is L-shaped structure, and it is rotation equidistance setting about the internal central axis of the rotating shaft, the outside of the valve leaf is sealed contact with the inner wall of the valve seat through the elastic sealing piece.

[0011] As the preferred scheme of the utility model, the smoke fire sensor and temperature sensor are located on the same straight line.

[0012] As the preferred scheme of the utility model, the smoke fire sensor, smoke exhaust fan, indicator lamp and alarm are respectively electrically connected with the control module through the wire.

[0013] As the preferred scheme of the utility model, the temperature sensor and electric push rod are respectively electrically connected with the control module through the wire, the fixed end of the electric push rod is fixed with the top surface of the valve seat, the telescopic end of the electric push rod is fixedly connected with the rear side surface of the rack plate through the connecting block, and the electric push rod and the rack plate are parallelly arranged.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. In the utility model, a resettable smoke exhaust fire valve is set up, so that the structure design of temperature sensor, control module, electric push rod, rack plate and gear is used, the electric push rod is driven through the combination of temperature sensor and control module, the purpose of opening and closing between valve leaves is realized under the meshing connection of rack plate and gear, and the requirement of resetting the fire valve is met.

[0016] 2. In the utility model, a resettable smoke exhaust fire valve is set up, so that the structure design of smoke fire sensor, control module, indicator lamp and alarm is used, the indicator lamp and alarm can be started under the combination of smoke fire sensor and control module, and the purpose of reminding the user is realized, and it is convenient to take corresponding measures subsequently. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the whole structure schematic diagram of the utility model; Figure 1 It is the enlarged structure schematic diagram of point A;

[0019] Figure 3 It is the structure schematic diagram when the valve leaf of the utility model is closed;

[0020] Figure 4 It is the system block diagram of the utility model device.

[0021] In the figure: 1, valve seat; 2, mounting plate; 3, indicator light; 4, alarm; 5, electric push rod; 501, rack plate; 6, control module; 7, rotating shaft; 701, valve leaf; 702, gear; 8, smoke sensor; 9, temperature sensor; 10, smoke exhaust fan. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right", and the like are merely used for the purpose of illustration.

[0025] 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 application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] Embodiments, please see Figures 1-4 The present application provides a technical solution:

[0027] The utility model provides a kind of resettable smoke exhaust fire damper, including valve seat 1, the outer side front end of valve seat 1 is fixedly installed with mounting plate 2, the left side of valve seat 1 is fixedly installed with indicator 3 and siren 4 respectively, the top of valve seat 1 is fixedly provided with electric push rod 5 and control module 6 respectively, the telescopic end of electric push rod 5 is fixedly installed with rack plate 501 by connecting block, the inside of valve seat 1 is provided with shaft 7, smoke fire sensor 8, temperature sensor 9 and smoke exhaust fan 10 respectively, the outside of shaft 7 is provided with valve leaf 701, the top of shaft 7 is rotatably penetrated to the top inner wall of valve seat 1 and is fixedly installed with gear 702 by bearing;

[0028] Need to explain, the rear surface of mounting plate 2 is provided with a plurality of mounting holes;

[0029] Specifically, shaft 7 has multiple, multiple shaft 7 about the inner wall of valve seat 1 is left-right equidistant distribution, the tooth surface of rack plate 501 is engaged with gear 702, the cross section shape of valve leaf 701 is L-shaped structure, and it is about the internal central axis of shaft 7 and is rotationally equidistantly arranged, the outside of valve leaf 701 is sealed contact with the inner wall of valve seat 1 by elastic sealing element;

[0030] In the embodiment, by the multiple point distribution of shaft 7 and the L-shaped structure of valve leaf 701, the sealing property and stability between valve leaf 701 and valve seat 1 can be ensured, and the fireproof performance is improved.

[0031] Specifically, smoke fire sensor 8 and temperature sensor 9 are located on the same straight line, smoke fire sensor 8, smoke exhaust fan 10, indicator 3 and siren 4 are electrically connected with control module 6 by wire respectively;

[0032] In the embodiment, the setting of smoke fire sensor 8 mainly monitors smoke and flame, and starts smoke exhaust fan 10 through control module 6 to accelerate the discharge of smoke and effectively control the spread of fire.

[0033] Specifically, temperature sensor 9 and electric push rod 5 are electrically connected with control module 6 by wire respectively, the fixed end of electric push rod 5 is fixed with the top surface of valve seat 1, the telescopic end of electric push rod 5 is fixedly connected with the rear surface of rack plate 501 through connecting block, and electric push rod 5 and rack plate 501 are arranged in parallel;

[0034] In the embodiment, the setting of temperature sensor 9 is mainly used for detecting temperature, and control module 6 can start electric push rod 5 when the temperature exceeds the threshold value, so that rack plate 501 and gear 702 are engaged through the setting of electric push rod 5, the rotation of shaft 7 is realized, and the opening and closing of valve leaf 701 are achieved, so that the reset requirement of fire damper is met.

[0035] The utility model discloses a work flow: when using a kind of resettable smoke exhaust fire damper, by the setting of mounting hole and mounting plate 2, make valve seat 1 install in the position required, when fire occurs, smoke fire sensor 8 will pass signal to control module 6, control module 6 will control smoke fan 10 to run, thus it is convenient for the rapid discharge of flue gas, and control module 6 will start indicating lamp 3 and siren 4, it is convenient to remind and make corresponding processing in time to user, at the same time, once the value measured by temperature sensor 9 exceeds threshold value, control module 6 can start electric push rod 5, and then electric push rod 5 starts to contract and drives rack plate 501 and gear 702 to mesh transmission, and gear 702 drives rotating shaft 7 and valve leaf 701 to rotate, so that valve leaf 701 can contact each other, thereby realize the closing of fire damper, when the value measured is below threshold value, electric push rod 5 will control valve leaf 701 to unfold, and then achieve the effect of reset operation to fire damper, meet the demand of user.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A resettable smoke control damper comprising a valve seat (1), characterised in that: The outer front end of the valve seat (1) is fixedly installed with a mounting plate (2), the left side of the valve seat (1) is fixedly installed with an indicator lamp (3) and an alarm (4) respectively, the top of the valve seat (1) is fixedly provided with an electric push rod (5) and a control module (6) respectively, the telescopic end of the electric push rod (5) is fixedly installed with a rack plate (501) through a connecting block, the inner part of the valve seat (1) is provided with a rotating shaft (7), a smoke sensor (8), a temperature sensor (9) and an exhaust fan (10) respectively, the outer side of the rotating shaft (7) is provided with a valve leaf (701), the top end of the rotating shaft (7) is rotatably penetrated into the inner wall of the top end of the valve seat (1) through a bearing and fixedly installed with a gear (702).

2. The resettable smoke control damper of claim 1, wherein: The rear surface of the mounting plate (2) is provided with a plurality of mounting holes.

3. The resettable smoke control damper of claim 1, wherein: There are a plurality of rotating shafts (7), and the plurality of rotating shafts (7) are distributed equidistantly about the inner wall of the valve seat (1), and the tooth surface of the rack plate (501) is engagedly connected with the gear (702).

4. The resettable smoke control damper of claim 1, wherein: The valve leaf (701) has an L-shaped structure in cross section, and is rotationally equidistantly arranged about the inner central axis of the rotating shaft (7), and the outer side of the valve leaf (701) is in sealing contact with the inner wall of the valve seat (1) through an elastic sealing element.

5. The resettable smoke control damper of claim 1, wherein: The smoke sensor (8) and the temperature sensor (9) are located on the same straight line.

6. The resettable smoke control fire damper of claim 1, wherein: The smoke sensor (8), the exhaust fan (10), the indicator lamp (3) and the alarm (4) are electrically connected with the control module (6) through wires respectively.

7. The resettable smoke control damper of claim 1, wherein: The temperature sensor (9) and the electric push rod (5) are electrically connected with the control module (6) through wires respectively, the fixed end of the electric push rod (5) is fixed with the top surface of the valve seat (1), the telescopic end of the electric push rod (5) is fixedly connected with the rear surface of the rack plate (501) through a connecting block, and the electric push rod (5) and the rack plate (501) are arranged in parallel.

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