CN216382724U

CN216382724U - Fireproof regulating valve

Info

Publication number: CN216382724U
Application number: CN202123045461.5U
Authority: CN
Inventors: 李海涛; 赵广阳; 赵言杰; 李海波; 李欢迎
Original assignee: Zhejiang Tianqi Ventilation Equipment Co ltd
Current assignee: Zhejiang Tianqi Ventilation Equipment Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-26
Anticipated expiration: 2031-12-06

Abstract

The application discloses fire prevention governing valve relates to governing valve technical field, including the valve body, the inner wall of valve body rotates and is connected with two blades, two the blade passes through chain drive and connects, the top surface fixedly connected with motor of valve body, the axis of rotation and the upside of motor the blade passes through chain drive and connects. This application is fusible pole fusing by oneself when device external temperature sharply risees, and then make the shutoff post move down and separate with the wash port, drive the fire prevention roll curtain through the shutoff post and expand and block flame, make the water droplet in the water storage box drop on the fire prevention roll curtain through the wash port simultaneously, thereby increase the fire prevention effect of fire prevention roll curtain, therefore the device fire prevention effect is better, drive two blades through the motor and together deflect, conflict with the seal block through the blade deflection and increase the leakproofness between blade and the valve body, increase the leakproofness after two blades are closed through the cooperation of two closing plates, therefore the leakproofness of device is better.

Description

Fireproof regulating valve

Technical Field

The application relates to the technical field of adjusting valves, in particular to a fireproof adjusting valve.

Background

In modern buildings, air ducts are an important component of building ventilation equipment and are connected with all rooms of the building; a fireproof regulating valve is arranged in the air duct for safety; the fire-proof regulating valve is installed on the air supply and return pipelines of the ventilation and air conditioning system.

In the process of implementing the present application, the inventor finds that at least the following problems exist in the prior art, the existing partial fire-protection regulating valve blocks the flame by deflecting the blades through the motor, and when the external temperature is too high, the motor is easy to generate faults and causes the blades to be difficult to deflect rapidly and block the flame, so that the fire-protection effect of the device is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the above-mentioned problem that the motor easily breaks down and leads to the blade to be difficult to deflect fast and block flame when the outside temperature is too high, therefore the fire prevention effect of device is not good, this application provides a fire prevention governing valve.

The application provides a fire prevention governing valve adopts following technical scheme: a fireproof regulating valve comprises a valve body, wherein two blades are rotatably connected to the inner wall of the valve body and are in transmission connection through a chain, a motor is fixedly connected to the top surface of the valve body, a rotating shaft of the motor is in transmission connection with the blades on the upper side through the chain, a water storage box is fixedly connected to the top surface of the valve body, a water drainage hole is formed in the side surface of the water storage box, and a fireproof mechanism is movably inserted into the inner wall of the water drainage hole in the side surface of the water storage box;

the fireproof mechanism comprises a plugging column, the plugging column is movably inserted into the inner wall of the drain hole, an fusible rod is fixedly inserted into the upper end of the plugging column, the bottom surface of the fusible rod is abutted to the outer top surface of the water storage box, the melting point of the fusible rod is 80 ℃, a fireproof roller shutter is arranged on the bottom surface of the water storage box, and the movable end of the fireproof roller shutter is fixedly connected with the lower end of the plugging column.

Through above-mentioned technical scheme, the motor is through driving two blades and deflecting and closed, and then blocks flame through the blade. When the external temperature is too high, the fusible rod is fused to further enable the blocking column to move downwards, the fireproof rolling curtain is driven to be unfolded to block flame, meanwhile, water drops in the water storage box are enabled to fall on the fireproof rolling curtain through separation of the blocking column and the water drainage hole, and the fireproof effect of the fireproof rolling curtain is further improved.

Optionally, in the above-mentioned fire prevention governing valve, the top surface and the equal fixedly connected with of bottom surface of valve body inner wall seal the piece, the side of seal the piece with the side of blade is contradicted.

Through above-mentioned technical scheme, be convenient for increase the leakproofness between blade and the valve body to reduce the flue gas and permeate the possibility of going out from the gap between blade and the valve body.

Optionally, in the above-mentioned fire prevention governing valve, the top surface fixedly connected with fire prevention cover of valve body, the inner wall of fire prevention cover with the side fixed connection of motor, and the side of fire prevention cover with the side fixed connection of water storage box.

Through above-mentioned technical scheme, be convenient for protect the motor, reduce the motor and receive the possibility that damage after the flame toasts.

Optionally, in the fire-proof regulating valve, the side surfaces of the blades are attached to the inner wall of the valve body, two sealing plates are fixedly connected to opposite ends of the blades, and the sealing plates are attached to the side surfaces of the sealing plates after deflecting.

Through above-mentioned technical scheme, be convenient for increase the leakproofness that two blades are connected, and then reduce the possibility that the gap department of smoke and dust from two blades permeates away.

Optionally, in the fire-proof regulating valve, the number of the blocking columns is five, and the five blocking columns are equidistantly and linearly distributed on the side face of the water storage box.

Through the technical scheme, the drain hole is conveniently plugged through the plugging column.

In summary, the present application includes at least one of the following benefits:

1. when the external temperature of the device rises sharply, the fusible rod is fused automatically, so that the blocking column is driven to move downwards and is separated from the drainage hole, the fire-proof rolling curtain is driven to be unfolded through the blocking column and flame is blocked, and meanwhile, water in the water storage box is driven to fall on the fire-proof rolling curtain through the drainage hole, so that the fire-proof effect of the fire-proof rolling curtain is improved, and the fire-proof effect of the device is better;

2. drive the upside blade through the motor and deflect and impel downside blade together to deflect through the chain, deflect through the blade and conflict with sealed piece and increase the leakproofness between blade and the valve body to increase the leakproofness after two blades are closed through the cooperation of two closing plates, therefore the leakproofness of device is better.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic partial perspective view of the present application;

fig. 3 is a sectional view of the fire protection mechanism of the present application.

Description of reference numerals:

1-valve body, 2-blade, 3-chain, 4-motor, 5-water storage box, 6-drain hole, 7-fire prevention mechanism, 71-blocking column, 72-fusible rod, 73-fire prevention rolling curtain, 8-sealing block, 9-fire prevention cover and 10-sealing plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, fig. 2 and fig. 3, an embodiment of the present application: the utility model provides a fire prevention governing valve, including valve body 1, the inner wall of valve body 1 rotates and is connected with two blades 2, the tip of two blades 2 is through fixed independent sprocket, it establishes the transmission and connects to overlap jointly to establish chain 3, the top surface fixedly connected with motor 4 of valve body 1, the axis of rotation of motor 4 also is through fixed independent sprocket with the tip of upside blade 2, overlap jointly and establish the transmission and connect chain 3, the top surface fixedly connected with water storage box 5 of valve body 1, wash port 6 has been seted up to the side of water storage box 5, the inner wall activity of 5 side wash ports of water storage box 6 is pegged graft and is had fire prevention mechanism 7, it deflects to drive upside blade 2 through motor 4, and make downside blade 2 together rotatory thereupon through chain 3, block flame through two blade 2 closures.

Referring to fig. 1, 2 and 3, the fire prevention mechanism 7 includes a blocking column 71, the blocking column 71 is movably inserted into the inner wall of the drainage hole 6, the upper end of the blocking column 71 penetrates through the water storage box 5 and is fixedly inserted with a fusible rod 72, the bottom surface of the fusible rod 72 is abutted against the outer top surface of the water storage box 5, the melting point of the fusible rod 72 is 80 ℃, the blocking column 71 is fixed by the fusible rod 72, and when the external temperature is too high, the fusible rod 72 is fused to further enable the blocking column 71 to move downward along with the gravity.

The bottom surface of water storage box 5 is provided with fire prevention roll of curtain 73, the upper end of fire prevention roll of curtain 73 is fixed with water storage box 5, the lower extreme of fire prevention roll of curtain 73 is the expansion end, this expansion end is fixed with shutoff post 71, be convenient for block up wash port 6 through shutoff post 71, thereby easy fusible rod 72 melts when the device meets flame and impels shutoff post 71 to move down, move down through shutoff post 71 and drive fire prevention roll of curtain 73 and expand and block flame, make the water droplet in the water storage box 5 fall on fire prevention roll of curtain 73 through shutoff post 71 and wash port 6 separation simultaneously, and then increase the fire prevention effect of fire prevention roll of curtain 73.

Referring to fig. 1, the top surface of the valve body 1 is fixedly connected with the fireproof cover 9, the inner wall of the fireproof cover 9 is fixedly connected with the side surface of the motor 4, the side surface of the fireproof cover 9 is fixedly connected with the side surface of the water storage box 5, the motor 4 is protected by the fireproof cover 9, and the possibility that the motor 4 is damaged after being baked by flame and is difficult to drive the blade 2 to deflect is reduced.

Referring to fig. 1 and 2, the top surface and the bottom surface of the inner wall of the valve body 1 are fixedly connected with the sealing block 8, the side surface of the sealing block 8 is abutted against the side surface of the blade 2, and the blade 2 is abutted against the sealing block 8 to increase the sealing performance between the blade 2 and the valve body 1, so that the possibility that smoke gas permeates out from the gap between the blade 2 and the valve body 1 is reduced.

Referring to fig. 1 and 2, the side surfaces of the blades 2 are attached to the inner wall of the valve body 1, the opposite ends of the two blades 2 are fixedly connected with the sealing plates 10, the upper side sealing plate 10 is attached to the side surface of the lower side sealing plate 10 after deflecting, the sealing performance of the connection of the two blades 2 is improved by the cooperation of the two sealing plates 10, and the possibility that smoke dust permeates out from the gap between the two blades 2 is reduced.

Referring to fig. 2 and 3, the number of the blocking columns 71 is five, the five blocking columns 71 are equidistantly and linearly distributed on the side surface of the water storage box 5, the blocking columns 71 are used for conveniently blocking the water drainage holes 6, and the fusible rod 72 is fused when encountering flames, so that the blocking columns 71 are enabled to move downwards and are separated from the water drainage holes 6, and water in the water storage box 5 is enabled to fall on the fireproof roller shutter 73.

The working principle is as follows: when using this fire prevention governing valve, drive upside blade 2 through motor 4 and deflect to impel downside blade 2 to rotate along with it through chain 3, block flame through two blade 2 closures. Fusible rod 72 fuses by itself when device external temperature sharply rises, and then makes shutoff post 71 move down and separate with wash port 6, drives fire prevention roll screen 73 through shutoff post 71 and expandes and block flame, makes the water droplet in the water storage box 5 fall on fire prevention roll screen 73 through wash port 6 simultaneously to increase fire prevention effect of fire prevention roll screen 73, above be this application's whole theory of operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fire prevention governing valve, includes valve body (1), its characterized in that: the inner wall of the valve body (1) is rotatably connected with two blades (2), the two blades (2) are in transmission connection through a chain (3), the top surface of the valve body (1) is fixedly connected with a motor (4), a rotating shaft of the motor (4) is in transmission connection with the upper blades (2) through the chain (3), the top surface of the valve body (1) is fixedly connected with a water storage box (5), a water drainage hole (6) is formed in the side surface of the water storage box (5), and a fireproof mechanism (7) is movably inserted into the inner wall of the water drainage hole (6) in the side surface of the water storage box (5);

the fireproof mechanism (7) comprises a blocking column (71), the blocking column (71) is movably inserted into the inner wall of the drain hole (6), an fusible rod (72) is fixedly inserted into the upper end of the blocking column (71), the bottom surface of the fusible rod (72) is abutted to the outer top surface of the water storage box (5), the melting point of the fusible rod (72) is 80 ℃, a fireproof roller shutter (73) is arranged on the bottom surface of the water storage box (5), and the movable end of the fireproof roller shutter (73) is fixedly connected with the lower end of the blocking column (71).

2. A fire protection regulating valve in accordance with claim 1, wherein: the top surface and the equal fixedly connected with sealing block (8) in bottom surface of valve body (1) inner wall, the side of sealing block (8) with the side of blade (2) is contradicted.

3. A fire protection regulating valve in accordance with claim 1, wherein: the top surface fixedly connected with fire prevention cover (9) of valve body (1), the inner wall of fire prevention cover (9) with the side fixed connection of motor (4), and the side of fire prevention cover (9) with the side fixed connection of water storage box (5).

4. A fire protection regulating valve in accordance with claim 1, wherein: the side of blade (2) with the inner wall of valve body (1) is laminated mutually, and two the equal fixedly connected with closing plate (10) of the relative one end of blade (2), and the upside closing plate (10) deflect the back and the downside the side of closing plate (10) is laminated mutually.

5. A fire protection regulating valve in accordance with claim 1, wherein: the number of the plugging columns (71) is five, and the five plugging columns (71) are equidistantly and linearly distributed on the side face of the water storage box (5).