CN215981021U

CN215981021U - High security fire prevention valve

Info

Publication number: CN215981021U
Application number: CN202122406334.7U
Authority: CN
Inventors: 付雪锋
Original assignee: Jiangxi Xinshenyao Mechanical Equipment Co ltd
Current assignee: Jiangxi Xinshenyao Mechanical Equipment Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-08
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a high-safety fire damper, which comprises a valve body, wherein the left side of the top inside a heat insulation box is fixedly connected to the top of a motor, the middle front part of the top inside the heat insulation box is fixedly connected to the top of a controller, the bottom of the controller is fixedly connected to the top of a fixed plate, the middle part of the bottom of the fixed plate is fixedly connected to the top end of a spring, and the bottom end of the spring is fixedly connected to the middle part of the top of a metal connecting block. According to the utility model, when the temperature of the flue gas reaches 280 ℃, the magnetism of the temperature sensing magnet disappears, the first spring reset conductor is connected with the second conductor, the controller enables the motor to work, after the temperature is recovered, the spring contracts, the first conductor is not connected with the second conductor, the first rotating plate and the second rotating plate reset, and the interior of the valve body is normally opened.

Description

High security fire prevention valve

Technical Field

The utility model relates to the technical field of fire safety, in particular to a high-safety fire damper.

Background

The fire valve is a temperature control of memory alloy, utilizes the valve form of gravity action and spring mechanism's effect closure, also has in the novel product to produce deformation and make the valve close with memory alloy, and its effect is: when the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the actual meaning of the flue gas discharge is not realized, and the valve is automatically closed when the fire is brought in the flue gas, so that the fire is prevented from spreading.

Chinese patent document CN212730817U discloses a high-safety fire damper, which solves the defects of poor sealing performance and deformation risk of blades caused by high temperature in the prior art, and comprises a box body, wherein flanges are welded on the front and back surfaces of the box body, fixing bases are welded on the upper and lower inner walls of the box body, the box body is movably connected with the blades through the fixing bases, an executing machine is fixed on the upper surface of the box body, an opening at the lower end of the executing machine penetrates through the box body and is provided with a fuse, a handle is arranged on the upper surface of the executing machine, a round hole is formed in the side surface of the box body, a limiting buckle penetrating through the round hole is welded on the side surface of the box body, a fire-proof box is clamped at one side port of the box body, a wire netting group is vertically welded on the inner wall of the fire-proof box, fire-proof foaming adhesive is clamped inside the wire netting group, a groove matched with the limiting buckle is formed in the side wall of the fire-proof box, the equipment has good sealing performance, and can better block smoke, the heat insulation performance is good, the risk of blade deformation is reduced, the incombustible gas is released, and the function of local fire extinguishing is achieved. However, after the work is finished, the fuse link needs to be replaced, so that the workload is increased, and the sealing performance is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a high-safety fire-proof valve.

In order to achieve the purpose, the utility model adopts the following technical scheme: a high-safety fire valve comprises a valve body, wherein the top of the valve body is fixedly connected to the bottom of a heat insulation box, the bottom inside the valve body is fixedly connected to the top of a fixed base, the left side of the middle of the top of the fixed base is rotatably connected to the bottom of a first rotating plate, the right side of the middle of the top of the fixed base is rotatably connected to the bottom of a second rotating plate, a first rotating shaft is arranged inside the middle of the first rotating plate, a second rotating shaft is arranged inside the middle of the second rotating plate, the left side of the top inside the heat insulation box is fixedly connected to the top of a motor, a driving end of the motor is fixedly connected to the top end of the first rotating shaft, the outer diameter of the top of the first rotating shaft is fixedly connected to the inner wall of a first belt wheel, the outer diameter of the first belt wheel is meshed to the inside of the left side of a belt, the front part of the top inside the heat insulation box is fixedly connected to the top of a controller, the bottom fixed connection of controller is at the top of fixed plate, the bottom middle part fixed connection of fixed plate is on the top of spring, the bottom fixed connection of spring is in the top middle part of metal connecting block.

As a further description of the above technical solution:

the front portion and the rear portion of the two sides of the valve body are fixedly connected to the inner sides of the angle steel, and mounting holes are formed in the top portion of the front portion of the angle steel and the inner portion of the bottom portion of the angle steel.

As a further description of the above technical solution:

the top setting of first pivot is on the inside left side of heat insulation box, the top setting of second pivot is on the inside right side of heat insulation box.

As a further description of the above technical solution:

the middle rear part on the left side in the valve body is provided with a first stop block, and the middle rear part on the right side in the valve body is provided with a second stop block.

As a further description of the above technical solution:

the right side of the first rotating plate is provided with a first clamping block, and the left side of the second rotating plate is provided with a second clamping block.

As a further description of the above technical solution:

the front part of the top inside the valve body is fixedly connected to the top of the temperature sensing magnet.

As a further description of the above technical solution:

a second belt wheel is meshed inside the right side of the belt.

As a further description of the above technical solution:

the right side fixed connection of metal connecting block is in the left side of first conductor, the middle part right side fixed connection of the inside bottom of heat-insulating box is in the bottom of second conductor.

The utility model has the following beneficial effects:

1. according to the utility model, firstly, when the temperature of flue gas reaches 280 ℃, the magnetism of the temperature sensing magnet disappears, the spring is reset to connect the first conductor with the second conductor, the controller receives a signal to enable the motor to work, after the temperature is recovered, the repulsive force of the temperature sensing magnet to the bottom of the metal connecting block enables the spring to contract, at the moment, the first conductor is not connected with the second conductor, the first rotating plate and the second rotating plate reset, the interior of the valve body is in a normally open state, and the problem that the fuse link needs to be replaced after the conventional fire valve works is solved through the mode, and the workload of workers is reduced.

2. According to the smoke exhaust fire prevention valve, the first rotating plate and the second rotating plate are rotated through the rotation of the first rotating shaft and the second rotating shaft, the first rotating plate and the second rotating plate are limited through the first stop block and the second stop block to keep the same level, the first rotating plate and the second rotating plate are clamped through the first clamping block and the second clamping block to enable the middle of the valve body to be closed, the mode enables the sealing performance to be high during closing, the smoke leakage amount of the smoke exhaust fire prevention valve is small, and the smoke exhaust fire prevention valve is worthy of great popularization.

Drawings

Fig. 1 is a perspective front view of a high safety fire damper according to the present invention;

FIG. 2 is a front cross-sectional view of a high safety fire damper in accordance with the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a top cross-sectional view of the valve body of the present invention;

fig. 5 is a top sectional view of the heat insulating box according to the present invention.

Illustration of the drawings:

1. a valve body; 2. angle steel; 3. mounting holes; 4. a heat insulation box; 5. a fixed base; 6. a first rotating plate; 7. a second rotating plate; 8. a first rotating shaft; 9. a second rotating shaft; 10. a first stopper; 11. a second stopper; 12. a first clamping block; 13. a second fixture block; 14. a temperature sensing magnet; 15. a motor; 16. a first pulley; 17. a belt; 18. a second pulley; 19. a controller; 20. a fixing plate; 21. a spring; 22. a metal connecting block; 23. a first conductor; 24. a second conductor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, one embodiment of the present invention is provided: a high-safety fire valve comprises a valve body 1, wherein the top of the valve body 1 is fixedly connected to the bottom of a heat insulation box 4, the heat insulation box 4 is made of heat insulation materials and can protect the internal structure of the heat insulation box, the bottom of the interior of the valve body 1 is fixedly connected to the top of a fixed base 5, the left side of the middle of the top of the fixed base 5 is rotatably connected to the bottom of a first rotating plate 6, the right side of the middle of the top of the fixed base 5 is rotatably connected to the bottom of a second rotating plate 7, a first rotating shaft 8 is arranged in the middle of the first rotating plate 6, a second rotating shaft 9 is arranged in the middle of the second rotating plate 7, the first rotating plate 6 and the second rotating plate 7 are rotated through the rotation of the first rotating shaft 8 and the second rotating shaft 9, the left side of the top of the interior of the heat insulation box 4 is fixedly connected to the top of a motor 15, a driving end of the motor 15 is fixedly connected to the top end of the first rotating shaft 8, the first rotating shaft 8 is rotated through the motor 15, the top external diameter fixed connection of first pivot 8 is at the inner wall of first band pulley 16, it rotates to drive first band pulley 16 through first pivot 8 and rotates, the external diameter meshing of first band pulley 16 is inside the left side of belt 17, it makes belt 17 rotate to rotate through first band pulley 16, anterior fixed connection is at the top of controller 19 in the inside top of heat-insulating box 4, controller 19 receives the signal and makes motor 15 work, the bottom fixed connection of controller 19 is at the top of fixed plate 20, the bottom middle part fixed connection of fixed plate 20 is on the top of spring 21, the bottom fixed connection of spring 21 is in the top middle part of metal connecting block 22, spring 21 resets and moves down first conductor 23 through metal connecting block 22 and links to each other with second conductor 24, after the temperature resumes, the repulsion force of temperature sensing magnet 14 to metal connecting block 22 bottom makes spring 21 shrink.

The front and the back of two sides of the valve body 1 are fixedly connected to the inner side of the angle steel 2, mounting holes 3 are arranged in the top and the bottom of the front part of the angle steel 2, the angle steel 2 is aligned with the opening of the ventilating duct, the valve body 1 is mounted with the ventilating duct through the mounting holes 3, the top of the first rotating shaft 8 is arranged on the left side in the heat insulation box 4, the top of the second rotating shaft 9 is arranged on the right side in the heat insulation box 4, the middle and the back of the left side in the valve body 1 is provided with a first stop 10, the middle and the back of the right side in the valve body 1 are provided with a second stop 11, the first rotating plate 6 and the second rotating plate 7 are limited by the first stop 10 and the second stop 11 to keep horizontal consistency, the right side of the first rotating plate 6 is provided with a first clamping block 12, the left side of the second rotating plate 7 is provided with a second clamping block 13, the first rotating plate 6 is clamped with the second rotating plate 7 through the first clamping block 12 and the second clamping block 13, so that the middle part of the valve body 1 is closed, this kind of mode is sealed when making closed high, make fire prevention valve leak the cigarette volume little, the anterior fixed connection in the top of valve body 1 inside is at the top of temperature sensing magnet 14, when the flue gas temperature reaches 280, the magnetism of temperature sensing magnet 14 disappears, the right side inside meshing of belt 17 has second band pulley 18, first band pulley 16 rotates and drives second band pulley 18 through belt 17 and rotate, second band pulley 18 rotates and to make second pivot 9 rotate, the right side fixed connection of metal connecting block 22 is in the left side of first conductor 23, the middle part right side fixed connection of the inside bottom of heat-insulating box 4 is in the bottom of second conductor 24, when first conductor 23 does not connect second conductor 24, first rotor 6 resets with second rotor 7, the inside normally open state that is of valve body 1, the problem that needs to change the fuse-link after having solved the fire prevention valve work in the past through this kind of mode.

The working principle is as follows: firstly, the angle steel 2 is aligned with the opening of the ventilation pipeline, the valve body 1 is installed with the ventilation pipeline through the installation hole 3, when the temperature of smoke reaches 280 ℃, the magnetism of the temperature sensing magnet 14 disappears, the spring 21 resets and moves downwards through the metal connecting block 22 to connect the first conductor 23 with the second conductor 24, at the moment, the controller 19 receives a signal to enable the motor 15 to work, after the temperature recovers, the repulsive force of the temperature sensing magnet 14 to the bottom of the metal connecting block 22 enables the spring 21 to contract, at the moment, the first conductor 23 is not connected with the second conductor 24, the first rotating plate 6 and the second rotating plate 7 reset, the interior of the valve body 1 is in a normally open state, the problem that the fuse link needs to be replaced after the work of the conventional fire valve is solved through the mode, the workload of workers is reduced, the first rotating shaft 8 rotates through the motor 15, the first rotating shaft 8 rotates to drive the first belt wheel 16 to rotate, the first belt wheel 16 rotates to drive the second belt wheel 18 to rotate through the belt 17, second band pulley 18 rotates and to make second pivot 9 rotate, rotate through first pivot 8 and second pivot 9 and make first rotor plate 6 and second rotor plate 7 rotate, it is unanimous to carry out spacing keeping level to first rotor plate 6 and second rotor plate 7 through first dog 10 and second dog 11, it can make the middle part of valve body 1 carry out the closure to make first rotor plate 6 and second rotor plate 7 block through first fixture block 12 and second fixture block 13, leakproofness is high when this kind of mode makes the closure, make fire prevention valve smoke leakage volume little, be worth wideling popularize.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a high security fire prevention valve, includes valve body (1), its characterized in that: the top of the valve body (1) is fixedly connected to the bottom of the heat insulation box (4), the bottom of the interior of the valve body (1) is fixedly connected to the top of the fixing base (5), the middle left side of the top of the fixing base (5) is rotatably connected to the bottom of the first rotating plate (6), the middle right side of the top of the fixing base (5) is rotatably connected to the bottom of the second rotating plate (7), a first rotating shaft (8) is arranged in the middle of the first rotating plate (6), a second rotating shaft (9) is arranged in the middle of the second rotating plate (7), the top left side of the interior of the heat insulation box (4) is fixedly connected to the top of the motor (15), the driving end of the motor (15) is fixedly connected to the top end of the first rotating shaft (8), the top outer diameter of the first rotating shaft (8) is fixedly connected to the inner wall of the first belt wheel (16), the outer diameter of the first belt wheel (16) is meshed to the left side of the belt (17), anterior fixed connection is at the top of controller (19) in the inside top of hot box (4), the bottom fixed connection of controller (19) is at the top of fixed plate (20), the bottom middle part fixed connection of fixed plate (20) is on the top of spring (21), the bottom fixed connection of spring (21) is in the top middle part of metal connecting block (22).

2. A high safety fire damper as claimed in claim 1, wherein: the front portion and the rear portion of the two sides of the valve body (1) are fixedly connected to the inner sides of the angle steels (2), and mounting holes (3) are formed in the top portions and the bottom portions of the front portions of the angle steels (2).

3. A high safety fire damper as claimed in claim 1, wherein: the top of the first rotating shaft (8) is arranged on the left side of the inside of the heat insulation box (4), and the top of the second rotating shaft (9) is arranged on the right side of the inside of the heat insulation box (4).

4. A high safety fire damper as claimed in claim 1, wherein: the middle rear part of the left side in the valve body (1) is provided with a first stop block (10), and the middle rear part of the right side in the valve body (1) is provided with a second stop block (11).

5. A high safety fire damper as claimed in claim 1, wherein: the right side of the first rotating plate (6) is provided with a first clamping block (12), and the left side of the second rotating plate (7) is provided with a second clamping block (13).

6. A high safety fire damper as claimed in claim 1, wherein: the front part of the top inside the valve body (1) is fixedly connected with the top of the temperature sensing magnet (14).

7. A high safety fire damper as claimed in claim 1, wherein: a second belt wheel (18) is meshed inside the right side of the belt (17).

8. A high safety fire damper as claimed in claim 1, wherein: the right side fixed connection of metal connecting block (22) is in the left side of first conductor (23), the middle part right side fixed connection of the inside bottom of hot box (4) is in the bottom of second conductor (24).