High-strength smoke exhaust fireproof valve

By designing a smoke exhaust fire damper with a spray assembly on the fire damper panel, the problem of fire damper panels being burned through in a fire is solved, achieving efficient fire and smoke prevention effects and improving safety.

CN223690431UActive Publication Date: 2025-12-19JIANGXI GENERAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520205844.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-19
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing high-strength smoke exhaust fire dampers are easily burned through when exposed to high temperatures for extended periods during a fire, causing the damper plate to fail and resulting in the failure of their smoke and fire blocking functions, thus reducing their safety.

Method used

A smoke exhaust fire damper with a spray assembly was designed. Water is drawn from an external water tank by a water pump, and the fire damper plate is cooled by the water supply pipe and spray holes. The fire damper plate is rotated by a motor to close the valve body and block the propagation path of smoke and flame.

Benefits of technology

It effectively prevents the fire damper plate from being burned through, improves the effectiveness and safety of the fire damper, and ensures that fire and smoke do not spread.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223690431U_ABST
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Abstract

The utility model relates to the technical field of smoke exhaust fireproof valves, and discloses a high-strength smoke exhaust fireproof valve which comprises a fireproof valve body, a high-temperature fuse is fixedly connected to the inner wall of the fireproof valve body, a fireproof valve plate is arranged in the fireproof valve body, and baffles are fixedly connected to the top and the bottom of the inner wall of the fireproof valve body. A spraying assembly is arranged at one end of the fireproof valve body, a fixing sleeve is fixedly connected to the rear end of the fireproof valve plate, a fixing shaft rod is fixedly connected to the inner wall of the fixing sleeve, a motor is fixedly connected to one end of the fixing shaft rod, and mounting holes are formed in the four corners of the fireproof valve body. A water source in the external water storage tank is pumped by the water pumping pipe through the water pump and conveyed into the fixed pipe through the water conveying pipe, water is sprayed to the surface of the fireproof valve plate through the spraying holes, the fireproof valve plate is cooled and prevented from being burnt through, fire and smoke are effectively prevented from spreading, and the fireproof valve plate is prevented from being burnt through. And the use effect and the safety are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of smoke exhaust fire damper, especially to a high-strength smoke exhaust fire damper. BACKGROUND

[0002] The smoke exhaust fire damper is a fire-fighting component, which is usually installed on the pipeline of a mechanical smoke exhaust system. Under normal circumstances, it is in an open state to facilitate smoke exhaust, and when a fire occurs, the smoke exhaust fire damper will automatically close when the temperature of the smoke in the smoke exhaust pipeline reaches 280 degrees, and meet the requirements of smoke leakage and fire resistance integrity within a certain time, thereby playing a role in smoke isolation and fire resistance.

[0003] The high-strength smoke exhaust fire damper disclosed in the publication No. CN222011055U is used, the user first holds the handle to pick up the fire damper body, and installs and fixes the smoke exhaust fire damper through the mounting plate and the connecting hole. During use, the valve plate is in an open and closed state. When the fire damper body passes through more high-temperature smoke, the temperature inside the fire damper body is too high, the high-temperature fuse is heated and fused, the actuator is driven to rotate the fire damper plate, the fire damper plate is closed, and the effective smoke sealing and plugging of the fire damper body are realized through the cooperation of the baffle and the fire-resistant sealing pad. The galvanized layer, stainless steel plate, fire-resistant coating, and aluminum oxide plate are used to increase the fire resistance, high-temperature resistance, and corrosion resistance of the fire damper plate, thereby realizing the effective fireproof use of the smoke exhaust fire damper.

[0004] The high-strength smoke exhaust fire damper realizes the effective smoke sealing and plugging of the fire damper body through the cooperation of the baffle and the fire-resistant sealing pad, and uses the galvanized layer, stainless steel plate, fire-resistant coating, and aluminum oxide plate to increase the fire resistance, high-temperature resistance, and corrosion resistance of the fire damper plate, thereby realizing the effective fireproof use of the smoke exhaust fire damper. However, when a fire occurs, the fire damper plate is exposed to flames for a long time, and the fire damper plate will be burned through, resulting in the loss of the smoke resistance and fire resistance functions of the fire damper, thereby causing the spread of fire and smoke, and reducing the safety during use. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a high-strength smoke exhaust fire damper.

[0006] The utility model adopts the following technical scheme: a high-strength smoke exhaust fire damper, which comprises a fire damper body, the inner wall of the fire damper body is fixedly connected with a high-temperature fuse, the inside of the fire damper body is provided with a fire damper plate, the inner wall top and inner wall bottom of the fire damper body are fixedly connected with baffles, one end of the fire damper body is provided with a spraying assembly, the rear end of the fire damper plate is fixedly connected with a fixed sleeve, the inner wall of the fixed sleeve is fixedly connected with a fixed shaft, one end of the fixed shaft is fixedly connected with a motor, the four corners of the fire damper body are provided with mounting holes, and the right end of the fire damper body is fixedly connected with an extension plate.

[0007] Through the technical scheme, the fireproof valve body is installed and fixed through the mounting hole, the fireproof valve plate is in an open state in a normal state, air circulation is allowed, when a fire occurs, the high-temperature fuse is melted by heat, the motor is started, the motor drives the fixed shaft rod to rotate, the fixed sleeve drives the fireproof valve plate to rotate, the two ends of the fireproof valve plate contact the baffle, the fireproof valve body is closed, and the propagation path of smoke and fire is blocked.

[0008] As a further improvement of the above scheme, the spraying assembly comprises a water pump, the right end of the water pump is fixedly connected with a water suction pipe, the left end of the water suction pipe is fixedly connected with a water delivery pipe, the end of the water delivery pipe away from the water pump is fixedly connected with a fixed pipe, and the inner wall of the fixed pipe is provided with a spraying hole.

[0009] Through the technical scheme, the water suction pipe is placed in the externally arranged water storage tank, when a fire occurs, the water pump draws the water source in the external water storage tank through the water suction pipe, the water is delivered to the inside of the fixed pipe through the water delivery pipe, and the water is sprayed on the surface of the fireproof valve plate through the spraying holes, so that the fireproof valve plate is cooled, the fireproof valve plate is prevented from being burned through, the spread of fire and smoke is effectively prevented, and the use effect and safety are improved.

[0010] As a further improvement of the above scheme, the bottom plate of the water pump is fixedly connected with the top of the extension plate, and the two ends of the fixed pipe are fixedly connected with the inner wall of the fireproof valve body.

[0011] Through the technical scheme, the water pump is installed through the extension plate, or the water pump is installed at a position far away from the fireproof valve body, so that the water pump is prevented from being burned out when a fire occurs.

[0012] As a further improvement of the above scheme, the number of the fixed pipes is two, the two fixed pipes are located at the two ends of the fireproof valve plate, and the number of the spraying holes is several.

[0013] Through the technical scheme, the two ends of the fireproof valve plate are cooled through the spraying holes formed in the two fixed pipes, and the cooling effect of the fireproof valve plate is improved.

[0014] As a further improvement of the above scheme, the surface of the fixed shaft rod is rotatably connected with the inner wall of the fireproof valve body.

[0015] As a further improvement of the above scheme, the surface of the fireproof valve body is fixedly connected with a fireproof box.

[0016] As a further improvement of the above scheme, the inner wall of the fireproof box is fixedly connected with one end of the motor.

[0017] Through the technical scheme, the motor is installed and fixed through the fireproof box, and the motor is protected.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses a spray assembly is set up, specifically is through the water pump and makes the water pipe to extract the water source in the outside water storage tank, is transported to the inside of fixed pipe through the water pipe, and the water is sprayed on the surface of the fire damper plate through a plurality of spray holes, and the fire damper plate is cooled, prevents the fire damper plate from being burnt through, effectively prevents the spread of fire and smoke, improves use effect and safety. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic diagram of the utility model;

[0021] Figure 2 It is side view structure schematic diagram of the utility model;

[0022] Figure 3 It is cross section structure schematic diagram of the utility model;

[0023] Figure 4 It is spray assembly structure schematic diagram of the utility model;

[0024] Figure 5 It is cross section structure schematic diagram of the utility model.

[0025] Main symbol explanation:

[0026] 1, fire damper body;2, high temperature fuse;3, fire damper plate;4, baffle;5, spray assembly;501, water pump;502, water pipe;503, water pipe;504, fixed pipe;505, spray hole;6, fixed sleeve;7, fixed shaft;8, motor;9, fireproof box;10, mounting hole;11, extension plate. DETAILED DESCRIPTION

[0027] Below, combining the drawings and specific embodiment, the utility model is further described, need explanation is, under the premise of not conflict, the following described each embodiment or each technical feature between between can be arbitrary combination and form new embodiment.

[0028] Embodiment:

[0029] Please combine Figures 1-5The embodiment of the application discloses a high-strength smoke exhaust fireproof valve which comprises a fireproof valve body 1, a high-temperature fuse 2 fixedly connected to the inner wall of the fireproof valve body 1, a fireproof valve plate 3 arranged in the fireproof valve body 1, baffles 4 fixedly connected to the top and bottom inner walls of the fireproof valve body 1, a spraying assembly 5 arranged at one end of the fireproof valve body 1, a fixed sleeve 6 fixedly connected to the rear end of the fireproof valve plate 3, a fixed shaft 7 fixedly connected to the inner wall of the fixed sleeve 6, a motor 8 fixedly connected to one end of the fixed shaft 7, mounting holes 10 formed at the four corners of the fireproof valve body 1, and an extension plate 11 fixedly connected to the right end of the fireproof valve body 1, wherein the fireproof valve body 1 is installed and fixed through the mounting holes 10, the fireproof valve plate 3 is in an open state in a normal state and allows air circulation, when a fire occurs, the high-temperature fuse 2 is heated and fused, the motor 8 is started, the motor 8 drives the fixed shaft 7 to rotate, the fixed sleeve 6 drives the fireproof valve plate 3 to rotate, and the fireproof valve body 1 is closed to block the propagation path of smoke and flame.

[0030] The spraying assembly 5 comprises a water pump 501, a water suction pipe 502 fixedly connected to the right end of the water pump 501, a water delivery pipe 503 fixedly connected to the left end of the water suction pipe 502, a fixed pipe 504 fixedly connected to the end, away from the water pump 501, of the water delivery pipe 503, a plurality of spraying holes 505 formed in the inner wall of the fixed pipe 504, and a water storage tank 9 fixedly connected to the surface of the fireproof valve body 1, wherein the water pump 501 is started, the water pump 501 draws water in the water storage tank 9 through the water suction pipe 502, the water is delivered to the inside of the fixed pipe 504 through the water delivery pipe 503, and the water is sprayed on the surface of the fireproof valve plate 3 through the spraying holes 505, so that the fireproof valve plate 3 is cooled to prevent the fireproof valve plate 3 from being burnt through, the spread of fire and smoke is effectively prevented, and the use effect and safety are improved.

[0031] The bottom plate of the water pump 501 is fixedly connected to the top of the extension plate 11, and the two ends of the fixed pipe 504 are fixedly connected to the inner wall of the fireproof valve body 1.

[0032] The number of the fixed pipes 504 is two, the two fixed pipes 504 are located at the two ends of the fireproof valve plate 3, and the number of the spraying holes 505 is a plurality.

[0033] The surface of the fixed shaft 7 is rotationally connected to the inner wall of the fireproof valve body 1.

[0034] The surface of the fireproof valve body 1 is fixedly connected with a fireproof tank 9.

[0035] The inner wall of the fireproof tank 9 is fixedly connected to one end of the motor 8, and the fireproof tank 9 protects the motor 8.

[0036] The implementation principle of the high-strength smoke exhaust fire damper in the embodiment of the application is as follows: the fire damper body 1 is installed and fixed through the installation hole 10 in use, the water suction pipe 502 is placed inside the external water storage tank, the fire damper plate 3 is in an open state in a normal state, air circulation is allowed, when a fire occurs, the high-temperature fuse 2 is melted by heat, the motor 8 is started, the motor 8 drives the fixed shaft rod 7 to rotate, the fixed sleeve pipe 6 drives the fire damper plate 3 to rotate, the fire damper body 1 is closed, the propagation path of smoke and flame is blocked, the water pump 501 is started, the water pump 501 sucks the water source inside the external water storage tank through the water suction pipe 502, the water is transported to the inside of the fixed pipe 504 through the water delivery pipe 503, the water is sprayed on the surface of the fire damper plate 3 through the plurality of spray holes 505, the fire damper plate 3 is cooled, the fire damper plate 3 is prevented from being burnt through, the spread of fire and smoke is effectively prevented, and the use effect and safety are improved.

[0037] The above embodiment is only a preferred embodiment of the application, and cannot be used to limit the range of protection of the application, and any non-substantial change and replacement made by a person skilled in the art on the basis of the application belongs to the range of protection of the application.

Claims

1. A high-strength smoke exhaust fire damper, characterized in that, The utility model relates to a fireproof valve body (1), the inner wall fixed connection of fireproof valve body (1) has high temperature fuse (2), the inside of fireproof valve body (1) is provided with fireproof valve plate (3), the inner wall top and inner wall bottom of fireproof valve body (1) are all fixedly connected with baffle (4), one end of fireproof valve body (1) is provided with spray subassembly (5), the rear end of fireproof valve plate (3) is fixedly connected with fixed sleeve (6), the inner wall fixed connection of fixed sleeve (6) has fixed axle rod (7), one end of fixed axle rod (7) is fixedly connected with motor (8), the four corners of fireproof valve body (1) are seted up with mounting hole (10), the right end of fireproof valve body (1) is fixedly connected with extension plate (11).

2. A high strength smoke control fire damper as defined in claim 1, wherein: The spray subassembly (5) includes a water pump (501), the right end of the water pump (501) is fixedly connected with a water suction pipe (502), the left end of the water suction pipe (502) is fixedly connected with a water delivery pipe (503), the end of the water delivery pipe (503) away from the water pump (501) is fixedly connected with a fixed pipe (504), the inner wall of the fixed pipe (504) is provided with a spray hole (505).

3. A high strength smoke control fire damper according to claim 2, wherein: The bottom plate of the water pump (501) is fixedly connected with the top of the extension plate (11), and the two ends of the fixed pipe (504) are fixedly connected with the inner wall of the fireproof valve body (1).

4. A high strength smoke control fire damper as defined in claim 2 wherein: The number of the fixed pipe (504) is two, and the two fixed pipes (504) are located at the two ends of the fireproof valve plate (3).

5. A high strength smoke control fire damper as defined in claim 1 wherein: The surface of the fixed axle rod (7) is rotatably connected with the inner wall of the fireproof valve body (1).

6. A high strength smoke control fire damper according to claim 5, wherein: The surface of the fireproof valve body (1) is fixedly connected with a fireproof box (9).

7. A high strength smoke control fire damper according to claim 6, wherein: The inner wall of the fireproof box (9) is fixedly connected with one end of the motor (8).

Citation Information

Patent Citations

  • High-strength smoke exhaust fireproof valve

    CN222011055U