CN219119819U

CN219119819U - Smoke-discharging fireproof valve

Info

Publication number: CN219119819U
Application number: CN202320270839.1U
Authority: CN
Inventors: 李泳昌; 蒋吹成; 郑伟基
Original assignee: Guangzhou Taichang Industrial Co ltd
Current assignee: Guangzhou Taichang Industrial Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-02
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to a smoke exhaust fire-proof valve, which has the technical scheme that: comprising the following steps: a valve frame; a smoke discharging cavity is arranged on one side of the valve frame; a plurality of fireproof assemblies capable of sealing the openings of the smoke discharging cavities and a plurality of barrier strips matched with the fireproof assemblies are arranged in the smoke discharging cavities; a control assembly for driving the fireproof assembly is arranged on the outer side of the valve door frame; the movable end of the control component is connected with the fireproof component; the application has the advantage that the sealing performance is better so as to improve the smoke insulation and fire resistance performance.

Description

Smoke-discharging fireproof valve

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to a smoke-discharging fireproof valve.

Background

The smoke discharging fire-proof valve is a fire-proof component, which is generally installed on the pipeline of the mechanical smoke discharging system, is in an open state at ordinary times, is opened for discharging smoke when a fire disaster occurs, is closed when the temperature of the smoke in the smoke discharging pipeline reaches 280 ℃, meets the requirements of smoke leakage and fire-proof integrity in a certain time, and plays a role of smoke isolation and fire resistance.

At present, when the smoke exhaust fireproof valve is used, two use states are respectively a normally closed state and a normally open state, along with the improvement of living standard of people, the requirements on the smoke exhaust valve are higher and higher, the existing smoke exhaust fireproof valve has the problems of poor sealing performance in the normally closed state, poor smoke isolation and fire resistance effects, and therefore, the smoke exhaust fireproof valve needs to be improved.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the smoke exhaust fireproof valve which has the advantages of being good in sealing performance and improving smoke and fire resistance.

The technical aim of the utility model is realized by the following technical scheme: a smoke evacuation fire damper comprising: a valve frame; a smoke discharging cavity is arranged on one side of the valve frame; a plurality of fireproof assemblies capable of sealing the openings of the smoke discharging cavities and a plurality of barrier strips matched with the fireproof assemblies are arranged in the smoke discharging cavities; a control assembly for driving the fireproof assembly is arranged on the outer side of the valve door frame; the movable end of the control component is connected with the fireproof component.

Optionally, the fire protection assembly includes: a first blade and a second blade capable of closing the opening of the smoke discharging cavity, and a rotating shaft for driving the first blade and the second blade; the first blade and the second blade are both arranged on the rotating shaft and are both abutted with the barrier strip; one end of the rotating shaft is movably arranged on the valve frame, and the other end of the rotating shaft is connected with the movable end of the control assembly.

Optionally, a bearing is disposed at the junction of the rotating shaft and the valve frame.

Optionally, the first blade is any one of a galvanized blade, a carbon steel blade and a stainless steel blade.

Optionally, the second blade is any one of a galvanized blade, a carbon steel blade and a stainless steel blade.

Optionally, the control assembly includes: the control box, a plurality of transmission rods used for driving the rotating shafts, connecting rods used for driving the transmission rods to move and drivers used for driving the connecting rods; a temperature sensor is arranged in the control box; the control box is arranged on the outer side of the valve frame; one end of the transmission rod is connected with the rotating shaft, and the other end of the transmission rod is movably arranged on the connecting rod; the connecting rod is arranged on the movable end of the driver; the temperature sensor is electrically connected with the driver.

Optionally, the valve frame is a square frame.

Optionally, a plurality of sprinkler heads capable of spraying water mist are further arranged in the smoke discharging cavity.

Optionally, the barrier strip adopts any one of a galvanized barrier strip, a carbon steel barrier strip and a stainless steel barrier strip.

In summary, the utility model has the following beneficial effects:

1. the utility model provides a be provided with the fire prevention subassembly and the blend stop of multiunit looks adaptation in the valve portal in this application, when the valve is in normally closed state, multiunit fire prevention subassembly and blend stop butt each other and form a plane that can seal the valve frame chamber of discharging fume, because fire prevention subassembly and blend stop butt back have certain interference coverage distance to can guarantee the smoke isolation fire-retardant effect of valve body.

2. The plurality of groups of fireproof assemblies are synchronously controlled through the control assembly, so that the sealing performance is more reliable; the valve frame smoke discharging cavity is internally provided with a plurality of sprinkler heads, so that the damage of external fire to the valve body can be reduced to a certain extent, the valve frame smoke discharging cavity can be used for assisting fire protection, and the safety performance is better.

Drawings

FIG. 1 is a first schematic construction of the present utility model;

fig. 2 is a schematic view of the fire protection assembly of the present utility model;

fig. 3 is a second schematic structural view of the present utility model (concealing the fire protection assembly).

In the figure: 1. a valve frame; 2. a fire protection assembly; 21. a first blade; 22. a second blade; 23. a rotating shaft; 3. a barrier strip; 4. a control assembly; 41. a control box; 42. a transmission rod; 43. and (5) connecting a rod.

Detailed Description

In order that the objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not to indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, the present utility model provides a smoke exhaust fire damper comprising: a valve frame 1; a smoke discharging cavity is arranged on one side of the valve frame 1; a plurality of fireproof assemblies 2 capable of sealing the openings of the smoke discharging cavities and a plurality of barrier strips 3 matched with the fireproof assemblies 2 are arranged in the smoke discharging cavities; a control assembly 4 for driving the fire prevention assembly 2 is arranged on the outer side of the valve door frame 1; the movable end of the control assembly 4 is connected with the fire-proof assembly 2.

In this embodiment, the smoke discharging cavity of the valve frame 1 is a hollow part, a plurality of fireproof assemblies 2 and barrier strips 3 are arranged in the smoke discharging cavity, and a plurality of fireproof assemblies 2 and barrier strips 3 are arranged at intervals, when the valve is in a normally closed state as a whole, the fireproof assemblies 2 and the barrier strips 3 are mutually abutted to form a plane capable of sealing the smoke discharging cavity, and as the fireproof assemblies 2 are abutted to the barrier strips 3, a certain interference coverage distance is provided (namely, a part of each two adjacent fireproof assemblies 2 covers the two side surfaces of the barrier strips 3), so that smoke and fire cannot pass through the smoke discharging cavity, and the smoke isolation and fire resistance effects of the valve body can be ensured; when the valve is in a normally open state as a whole, the fireproof assembly 2 and the barrier 3 are separated from each other, and gas can normally pass through; the operating state of the fire protection assembly 2 is controlled by the control assembly 4.

Further, the fire protection assembly 2 includes: a first vane 21 and a second vane 22 closing the smoke discharging chamber opening, and a rotation shaft 23 for driving the first vane 21 and the second vane 22; the first blade 21 and the second blade 22 are both installed on the rotating shaft 23, and the first blade 21 and the second blade 22 are both abutted with the barrier strip 3; one end of the rotating shaft 23 is movably arranged on the valve frame 1, and the other end of the rotating shaft 23 is connected with the movable end of the control assembly 4.

In this embodiment, the first blade 21 and the second blade 22 are symmetrically disposed on two sides of the rotating shaft 23 (see fig. 2), and the plurality of fireproof assemblies 2 form a movable plane capable of closing the opening of the smoke discharging cavity side by side, when the valve is in a normally closed state as a whole, the upper and lower ends of the first blade 21 and the second blade 22 are respectively abutted with the two barrier strips 3 located at the upper and lower positions thereof, so that smoke and fire cannot pass through the smoke discharging cavity, and the smoke and fire blocking effect of the valve body can be ensured; when the valve is in a normally open state, the first blade 21 and the second blade 22 form an included angle with the smoke discharging cavity, so that air can normally pass through the smoke discharging cavity.

Further, a bearing is provided at the junction of the rotating shaft 23 and the valve housing 1.

In this embodiment, a bearing is disposed at the connection between the rotating shaft 23 and the valve frame 1, and the bearing can convert sliding friction between the rotating shaft 23 and the valve frame 1 into rolling friction, so as to reduce friction between the rotating shaft 23 and the valve frame, and make the motion of the rotating shaft 23 smoother.

Further, the first blade 21 is any one of a galvanized blade, a carbon steel blade, and a stainless steel blade.

In the present embodiment, the first blade 21 may be a galvanized blade, a carbon steel blade, or a stainless steel blade, and the above three materials have a better fireproof effect.

Further, the second blade 22 is any one of a galvanized blade, a carbon steel blade, and a stainless steel blade.

In the present embodiment, the second blade 22 may be a galvanized blade, a carbon steel blade, or a stainless steel blade, and the above three materials have a better fireproof effect.

Further, the control assembly 4 comprises: the control box 41, a plurality of transmission rods 42 for driving the rotating shaft 23, a connecting rod 43 for driving the transmission rods 42 to move, and a driver for driving the connecting rod 43; a temperature sensor is provided in the control box 41; the control box 41 is arranged on the outer side of the valve frame 1; one end of the transmission rod 42 is connected with the rotating shaft 23, and the other end of the transmission rod 42 is movably arranged on the connecting rod 43; the connecting rod 43 is mounted on the movable end of the driver; the temperature sensor is electrically connected with the driver.

In this embodiment, the control box 41 is installed on the outer side of the valve frame 1, the driver is installed inside the control box 41, the driver is connected with a plurality of transmission rods 42 through connecting rods 43, the plurality of transmission rods 42 are equidistantly arranged on the valve frame 1 and are connected with the rotating shaft 23 (see fig. 1, the driver and the temperature sensor are not shown), and the driver can control the rotating shaft to synchronously rotate through the connecting rods 43 and the transmission rods 42 when working, so that the plurality of fireproof assemblies 2 rotate at the same frequency when working, and the working reliability of the device is improved; the control box 41 is also internally provided with a temperature sensor, the temperature sensor is electrically connected with the driver, and when the external temperature changes, the temperature sensor can automatically sense and send different work sensing signals to the driver.

Further, the valve frame 1 is a square frame.

In this embodiment, the valve door frame 1 is a square frame, and the valve door frame 1 is installed on a smoke exhaust pipeline of a ventilation system and is adapted to the shape of the pipeline.

Further, a plurality of sprinkler heads capable of spraying water mist are arranged in the smoke discharging cavity.

In this embodiment, the edge in chamber of discharging fume evenly is provided with a plurality of watering shower nozzles, and this watering shower nozzle is connected with outside water supply system, and the watering shower nozzle can spray the water smoke when needs, still can assist the fire control when protecting the valve body surface fire prevention.

Further, the barrier strip 3 is any one of a galvanized barrier strip, a carbon steel barrier strip and a stainless steel barrier strip.

In this embodiment, the barrier strip 3 may be a galvanized barrier strip, a carbon steel barrier strip or a stainless steel barrier strip, and the fireproof effect of the above three materials is better.

The smoke exhaust fireproof valve has the advantages of being good in sealing performance and capable of improving smoke and fire resistance.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A smoke evacuation fire damper comprising: a valve frame; a smoke discharging cavity is arranged on one side of the valve frame; a plurality of fireproof assemblies capable of sealing the openings of the smoke discharging cavities and a plurality of barrier strips matched with the fireproof assemblies are arranged in the smoke discharging cavities; a control assembly for driving the fireproof assembly is arranged on the outer side of the valve door frame; the movable end of the control component is connected with the fireproof component.

2. The smoke and fire damper of claim 1 wherein said fire protection assembly comprises: a first blade and a second blade capable of closing the opening of the smoke discharging cavity, and a rotating shaft for driving the first blade and the second blade;

the first blade and the second blade are both arranged on the rotating shaft and are both abutted with the barrier strip; one end of the rotating shaft is movably arranged on the valve frame, and the other end of the rotating shaft is connected with the movable end of the control assembly.

3. The smoke and fire damper of claim 2 wherein a bearing is provided at the junction of said shaft and said valve housing.

4. The smoke and fire damper of claim 3 wherein said first blade is any one of galvanized blade, carbon steel blade and stainless steel blade.

5. The smoke and fire damper of claim 4 wherein said second blade is any one of galvanized blade, carbon steel blade and stainless steel blade.

6. The smoke and fire damper of any one of claims 2-5 wherein said control assembly comprises: the control box, a plurality of transmission rods used for driving the rotating shafts, connecting rods used for driving the transmission rods to move and drivers used for driving the connecting rods; a temperature sensor is arranged in the control box;

the control box is arranged on the outer side of the valve frame; one end of the transmission rod is connected with the rotating shaft, and the other end of the transmission rod is movably arranged on the connecting rod; the connecting rod is arranged on the movable end of the driver; the temperature sensor is electrically connected with the driver.

7. The smoke-venting fire-protection valve of claim 6 wherein said valve door frame is a square frame.

8. The smoke and fire damper of claim 7 wherein a plurality of sprayers are also provided in said smoke evacuation chamber for spraying water mist.

9. The smoke and fire barrier of claim 8 wherein said barrier is any one of a galvanized barrier, a carbon steel barrier and a stainless steel barrier.