Fireproof closed valve

Abstract

The utility model relates to the field of fireproof valves, in particular to a fireproof closed valve which comprises a valve body and an adjusting mechanism. According to the fireproof closed valve, when the fireproof plate is installed, the clamping groove of the fireproof plate is aligned with the buckle fixedly installed on the outer side of the revolving door, the buckle is smoothly clamped into the clamping groove through pressing, installation is completed, the fireproof plate is tightly attached to the revolving door, additional fireproof protection is provided, and when a fire occurs, smoke is generated firstly, and a smoke alarm transmits a signal to the adjusting mechanism after detecting abnormity; the motor is started to drive the connected belt to rotate, the belt drives the movable rod to rotate along with the belt, the first gear fixed to the outer ring of the movable rod rotates along with the movable rod, the second gear connected with the first gear in a meshed mode rotates synchronously, and the connecting rod fixed in the second gear transmits the rotating motion downwards to drive the rotating door to rotate to achieve the closing action. And the sealing strip arranged at the top of the revolving door and the sealing strip fixedly bonded to the outer side can guarantee good sealing performance when the revolving door is closed, and corresponding media are effectively prevented from passing through.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fireproof valve, especially to a fireproof sealing valve. BACKGROUND

[0002] The fireproof valve is a valve form that is closed by using the gravity and the spring mechanism, and the new product also uses the memory alloy to make the valve closed. Its function is that when the smoke temperature reaches 280 DEG C, the people have basically evacuated, and the smoke exhaust has no practical significance, but the smoke has fire at this time, and the valve is automatically closed to avoid the spread of the fire.

[0003] According to the patent with the publication number CN218236182U, a sealing fireproof valve is disclosed, which comprises a valve frame, a connecting shaft rotatably connected to the center of the inner wall of the valve frame, a sealing flap fixedly connected to the center of the connecting shaft, sealing gaskets fixedly connected to the edges of the two sides of the sealing flap, and connecting pipes fixedly connected to the middle of the two sides of the valve frame. The utility model has the advantages that the single sealing flap can completely close the valve frame by turning over, the valve control is realized, the gap is reduced, and only the gap at the edge of the sealing flap exists. At the same time, the edge of the sealing flap is pressed by the sealing frame plate, which can improve the structural strength, and the sealing flap edge is sealed by the sealing side plate and the sealing gasket. The width of the sealing side plate and the sealing gasket can be adjusted according to the needs to improve the sealing effect, increase the tortuosity of the sealing surface, reduce the airflow passing effect, and improve the edge sealing performance.

[0004] However, the existing fireproof sealing valve usually needs to be manually closed by people, which is troublesome, and relies on manual inspection, which cannot realize real-time monitoring of the fire situation, resulting in that the fire cannot be responded in time in the early stage of the fire, the best prevention and control opportunity is missed, and the fire may spread rapidly through the air duct without being detected. In the above-mentioned case of a sealing fireproof valve, the sealing flap also needs to be manually turned over, which is troublesome.

[0005] Therefore, it is necessary to invent a fireproof sealing valve to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a fireproof sealing valve, and particularly relates to the problem that the existing fireproof sealing valve usually needs to be manually closed by people, which is troublesome and cannot realize real-time monitoring of the fire situation.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a fireproof airtight valve, including valve body and adjusting mechanism, the top of valve body is fixedly arranged with smoke alarm, the top of valve body is fixedly installed temperature sensor, the inside of valve body is provided with adjusting mechanism, the outside of adjusting mechanism is fixedly arranged with auxiliary mechanism.

[0008] Preferably, the smoke alarm is electrically connected with the adjusting mechanism, and the material of the valve body is galvanized steel plate.

[0009] Preferably, the adjusting mechanism includes a mounting box, the mounting box is fixedly installed on the top of the inside of the valve body, the inside of the mounting box is rotatably connected with a movable rod, the outer ring of the movable rod is movably connected with a belt, the rear end of the belt is fixedly provided with a motor, the output end of the motor is rotatably connected with the belt, the outer ring of the movable rod is fixedly connected with a first gear, the outer ring of the first gear is meshedly connected with a second gear, the inside of the second gear is fixedly connected with a connecting rod, the bottom end of the connecting rod is fixedly connected with a rotating door, the top of the rotating door is fixedly provided with a first sealing strip, the outside of the rotating door is fixedly bonded with a second sealing strip.

[0010] Preferably, the rotating door is provided with two groups, and is symmetrically distributed, the first sealing strip is closely attached to the top of the inside of the valve body.

[0011] Preferably, the auxiliary mechanism includes a buckle, the buckle is fixedly installed on the outside of the rotating door, the outside of the rotating door is detachably connected with a fireproof plate, the inside of the fireproof plate is uniformly provided with a clamping groove.

[0012] Preferably, the fireproof plate is provided with two groups, and the buckle is used in cooperation with the clamping groove.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The fireproof airtight valve is provided with a mounting box, a movable rod, a belt, a motor, a first gear, a second gear, a connecting rod, a rotating door, a first sealing strip and a second sealing strip, when a fire occurs, an abnormality is detected by a smoke alarm, a signal is rapidly transmitted to a regulating mechanism, the motor and other components are automatically started, the rotating door is driven to rotate to realize closing action through the belt, the first gear and a series of transmission components, the whole process does not need manual intervention, the response speed is extremely fast, the valve can rapidly act when a fire appears, the fire spreading path is timely blocked, the fireproof efficiency is greatly improved, compared with a traditional fire valve relying on manual operation, the valve can play a role at a critical moment and strive for valuable fire extinguishing and personnel evacuation time, the first sealing strip arranged at the top of the rotating door and the second sealing strip fixedly bonded on the outside can jointly act when the rotating door is closed, a strict sealing defense line is formed, the corresponding medium such as a flame and smoke is effectively blocked, the air duct is effectively blocked, the fire is prevented from spreading to other areas by means of a ventilation duct, the overall fireproof and smokeproof effect is greatly enhanced, and a good fire safety environment is maintained.

[0015] 2. The fireproof airtight valve is provided with a fireproof plate and a clamping groove, the clamping buckle is matched with the clamping groove, the fireproof plate is stably fixed on the outside of the rotating door, reliable fireproof protection is additionally provided for the rotating door, the fireproof plate can withstand high temperature when a fire occurs, the erosion of the rotating door itself by the flame is delayed, the structure integrity of the rotating door is better protected, the fireproof airtight valve can still reliably maintain the fireproof function in a high-temperature environment for a long time, and the overall fireproof performance and durability are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an outside appearance structure schematic view of the fireproof airtight valve.

[0017] Figure 2 It is a regulating mechanism structure schematic view.

[0018] Figure 3 It is an auxiliary mechanism structure schematic view.

[0019] Figure 4 It is a connecting rod and rotating door structure schematic view.

[0020] Figure 5 It is a fireproof airtight valve. Figure 2 It is an enlarged structure schematic view of position A.

[0021] In the figure: 1, valve body; 2, smoke alarm; 3, temperature sensor; 4, adjusting mechanism; 401, mounting box; 402, movable rod; 403, belt; 404, motor; 405, first gear; 406, second gear; 407, connecting rod; 408, rotating door; 409, first sealing strip; 410, second sealing strip; 5, auxiliary mechanism; 501, buckle; 502, fireproof plate; 503, clamping groove. DETAILED DESCRIPTION

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

[0023] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a fireproof sealed valve, including valve body 1 and adjusting mechanism 4, the upper portion of valve body 1 is fixedly provided with smoke alarm 2, the top of valve body 1 is fixedly installed temperature sensor 3, the inside of valve body 1 is provided with adjusting mechanism 4, the outside of adjusting mechanism 4 is fixedly provided with auxiliary mechanism 5.

[0024] Further, smoke alarm 2 is electrically connected with adjusting mechanism 4, the material of valve body 1 is: galvanized steel sheet, by the setting of smoke alarm 2, the smoke concentration change in surrounding environment can be monitored in real time, in the initial stage of fire, smoke will be produced first, at this time, smoke alarm acutely captures this signal, and it is converted into electric signal and is transmitted to adjusting mechanism 4, after adjusting mechanism 4 receives the signal, relevant equipment is driven to make corresponding action.

[0025] Further, the adjusting mechanism 4 comprises a mounting box 401 fixedly installed at the upper portion inside the valve body 1, the inside of the mounting box 401 is rotationally connected with an activity rod 402, the outer ring of the activity rod 402 is movably connected with a belt 403, the rear end of the belt 403 is fixedly provided with a motor 404, the output end of the motor 404 is rotationally connected with the belt 403, the outer ring of the activity rod 402 is fixedly connected with a first gear 405, the outer ring of the first gear 405 is meshingly connected with a second gear 406, the inside of the second gear 406 is fixedly connected with a connecting rod 407, the bottom end of the connecting rod 407 is fixedly connected with a rotating door 408, the top portion of the rotating door 408 is fixedly provided with a first sealing strip 409, the outer side of the rotating door 408 is fixedly bonded with a second sealing strip 410, when the smoke alarm 2 detects the abnormality, the signal is transmitted to the adjusting mechanism 4, at this time, the motor 404 is started, drives the belt 403 connected therewith to rotate, the rotation of the belt 403 promotes the activity rod 402 to rotate, the first gear 405 fixedly connected with the outer ring of the activity rod 402 rotates, the second gear 406 meshingly connected with the first gear 405 synchronously rotates, and the connecting rod 407 fixedly connected with the inside of the second gear 406 transmits the rotating motion to the rotating door 408 to drive the rotating door 408 to rotate, so that the closing action of the rotating door 408 is realized, and the first sealing strip 409 provided at the top portion of the rotating door 408 and the second sealing strip 410 fixedly bonded with the outer side of the rotating door 408 can guarantee good sealing when the rotating door 408 is closed, effectively blocking the corresponding medium from passing through.

[0026] Further, the rotating door 408 is provided in two groups and symmetrically distributed, the first sealing strip 409 is closely attached to the upper portion inside the valve body 1, through the arrangement of the rotating door 408, in the normal state, the rotating door 408 is kept open to realize the functions of ventilation and air flow regulation, and when facing the emergency situation such as fire, the rotating door 408 is closed under the driving of the adjusting mechanism 4, the two groups of symmetrically distributed rotating doors 408 can work cooperatively to close from both sides to the middle, completely block the flow path of the air flow, smoke and flame medium in the air duct, prevent the fire from spreading to other areas through the air duct, effectively play the isolation role of fire prevention and smoke prevention, and guarantee the safety of different fire prevention partitions.

[0027] Further, the auxiliary mechanism 5 comprises buckles 501 fixedly installed on the outer side of the rotating door 408, the outer side of the rotating door 408 is detachably connected with fireproof plates 502, the inner sides of the fireproof plates 502 are all provided with clamping grooves 503, when installing, the clamping grooves 503 on the fireproof plates 502 are aligned with the buckles 501 fixedly installed on the outer side of the rotating door 408, then the buckles 501 are smoothly clamped into the clamping grooves 503 by pressing, so that the fireproof plates 502 are stably fixed on the rotating door 408, the installation process is completed, the fireproof plates 502 can be tightly attached to the rotating door 408, and additional fireproof protection is provided for the rotating door 408; when it is necessary to replace, maintain or inspect the fireproof plates 502, only by exerting appropriate external force, the buckles 501 are detached from the clamping grooves 503, and the fireproof plates 502 can be easily detached from the rotating door 408.

[0028] Further, the fireproof plates 502 are provided in two groups, the buckles 501 are used in cooperation with the clamping grooves 503, by the provision of the fireproof plates 502, the outer side of the rotating door 408 is covered, when a fire occurs, it can provide an additional effective fireproof barrier for the rotating door 408 by virtue of the good fireproof performance, can block the flame and high-temperature heat from directly acting on the rotating door 408, delays the time for the rotating door 408 to be damaged by the flame, greatly enhances the fireproof ability of the rotating door 408 and even the entire valve body 1, and helps to more effectively prevent the fire from spreading through the air duct where the valve body 1 is located, plays an important role in guaranteeing the fire safety of the building.

[0029] Working principle: The smoke alarm 2 is fixedly arranged above the valve body 1, and the temperature sensor 3 is installed on the top of the valve body 1, both of which are in the state of monitoring the surrounding environment at all times, in daily use, the valve body 1 is in the normal working state, guaranteeing the normal operation of the functions such as ventilation, in the installation, the clamping groove 503 on the fireproof plate 502 is aligned with the buckle 501 fixedly installed outside the rotating door 408, then the buckle 501 is smoothly clamped into the clamping groove 503 through the pressing mode, so that the fireproof plate 502 is stably fixed on the rotating door 408, the installation process is completed, and the fireproof plate 502 can be closely attached to the rotating door 408, providing additional fire protection for the rotating door 408, when the fire occurs, smoke is often produced first, at this time, the smoke alarm 2 detects the abnormality and transmits the signal to the adjusting mechanism 4, at this time, the motor 404 starts to drive the belt 403 to rotate, the rotation of the belt 403 promotes the rotating rod 402 to rotate, the first gear 405 fixed on the outer circle of the rotating rod 402 rotates, the second gear 406 connected with the first gear 405 rotates synchronously, and the connecting rod 407 fixed in the second gear 406 transmits the rotating motion to drive the rotating door 408 to rotate, so that the closing action of the rotating door 408 is realized, and the first sealing strip 409 arranged on the top of the rotating door 408 and the second sealing strip 410 fixedly bonded outside can guarantee good sealing when the rotating door 408 is closed, effectively blocking the corresponding medium from passing through.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fireproof airtight valve, comprising a valve body (1) and an adjusting mechanism (4), characterized in that: A smoke alarm (2) is fixedly installed on the top of the valve body (1), a temperature sensor (3) is fixedly installed on the top of the valve body (1), an adjustment mechanism (4) is provided inside the valve body (1), and an auxiliary mechanism (5) is fixedly installed on the outside of the adjustment mechanism (4).

2. The fireproof and airtight valve according to claim 1, characterized in that: The smoke alarm (2) is electrically connected to the regulating mechanism (4), and the valve body (1) is made of galvanized steel plate.

3. A fireproof and airtight valve according to claim 1, characterized in that: The adjusting mechanism (4) includes a mounting box (401), which is fixedly installed on the upper part of the valve body (1). A movable rod (402) is rotatably connected inside the mounting box (401). A belt (403) is movably connected to the outer ring of the movable rod (402). A motor (404) is fixedly installed at the rear end of the belt (403). The output end of the motor (404) is rotatably connected to the belt (403). A first gear (405) is fixedly connected to the outer ring of the movable rod (402). A second gear (406) is meshed with the outer ring of the first gear (405). A connecting rod (407) is fixedly connected inside the second gear (406). A rotating door (408) is fixedly connected to the bottom end of the connecting rod (407). A first sealing strip (409) is fixedly installed on the top of the rotating door (408). A second sealing strip (410) is fixedly adhered to the outer side of the rotating door (408).

4. A fireproof and airtight valve according to claim 3, characterized in that: The rotating door (408) is provided in two sets and is symmetrically distributed. The first sealing strip (409) is tightly fitted to the upper part of the valve body (1).

5. A fireproof and airtight valve according to claim 1, characterized in that: The auxiliary mechanism (5) includes a buckle (501), which is fixedly installed on the outside of the revolving door (408). A fire-resistant plate (502) is detachably connected to the outside of the revolving door (408), and the fire-resistant plate (502) has a slot (503) inside.

6. A fireproof and airtight valve according to claim 5, characterized in that: The fire-resistant plate (502) is provided in two sets, and the buckle (501) and the slot (503) are used together.

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