CN218913764U - Fire prevention valve with water conservancy diversion exhaust structure - Google Patents

Abstract

The utility model relates to the technical field of fire protection valves and discloses a fire protection valve with a diversion exhaust structure, which comprises a fire protection valve shell, wherein two rotating shafts are rotationally connected to the fire protection valve shell, valve plates are welded on the rotating shafts, the same side of the two rotating shafts is fixedly connected with belt wheels, a synchronous belt is connected between the two belt wheels, one end of one rotating shaft is fixedly connected with a motor, the outer wall of the fire protection valve shell is fixedly connected with a fixing frame, the motor is fixedly connected to the fixing frame, one side of the valve plates is welded with a baffle plate, two diversion air holes are formed in the side wall of the valve body, an air guide box is arranged outside the diversion air holes, a support frame is fixedly connected to the inside of the air guide box, and an air guide fan is arranged on the support frame.

Description

Fire prevention valve with water conservancy diversion exhaust structure

Technical Field

The utility model belongs to the technical field of fire valves, and particularly relates to a fire valve with a diversion exhaust structure.

Background

In current commercial building, can adopt the air pipe to ventilate in many times, because air pipe communicates a plurality of rooms, when the conflagration takes place, fire and smog can enter into another room through air pipe to enlarge the fire, consequently can add the fire prevention valve in air pipe generally, utilize the fire prevention valve to prevent fire and smog to spread, current fire prevention valve is in order to reduce indoor smog, design a fire prevention valve with water conservancy diversion exhaust structure, thereby with indoor smog discharge to the external world rapidly, and then reduce indoor smog concentration, the convenience is rescued and is reduced the injury of thick fog to the people.

The utility model discloses a rolling slats fire damper with water conservancy diversion exhaust structure just can realize the function of water conservancy diversion exhaust to reduce indoor smog content, but adopt linkage structure to drive two rolling slats in this application and open and close, overall structure is more complicated, and whole cost is high, and the practicality remains to improve, in order to solve the above-mentioned problem that proposes, provides a fire damper with water conservancy diversion exhaust structure.

Disclosure of Invention

The utility model aims at: in order to solve the above-mentioned problem, a fire protection valve with a diversion exhaust structure is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a fire prevention valve with water conservancy diversion exhaust structure, includes fire prevention valve housing, the last rotation of fire prevention valve housing is connected with two pivots, the welding has the valve block in the pivot, two the same side of pivot is all fixedly connected with band pulley, two be connected with the hold-in range between the band pulley, one of them one end fixedly connected with motor of pivot, the outer wall fixedly connected with mount of fire prevention valve housing, the motor fixedly connected with is on the mount;

by the above: the motor drives the rotating shafts to rotate, and the two rotating shafts are connected with the synchronous belt through the belt wheels, so that valve plates of the two rotating shafts are driven to rotate, and the fireproof valve is opened and closed.

One side welding of valve block has the baffle, and two water conservancy diversion gas pockets have been seted up to the lateral wall of fire prevention valve housing, the outside of water conservancy diversion gas pocket is provided with the air guide case, the inside fixedly connected with support frame of air guide case, be provided with the air guide fan on the support frame.

By the above: when the valve plate is closed in place, the baffle plate can not cover the air guide holes, smoke generated in the room can enter the air guide box through the air guide holes, the smoke is guided outwards and discharged by the air guide box, and smoke can be exhausted forcibly by the air guide fan, so that the efficiency is high.

In a preferred embodiment, the baffle plate has a right-angle fan-shaped structure, the air guide holes have a circular structure, and the baffle plate can completely cover the air guide holes.

By the above: therefore, when the valve plate is opened, air flow cannot return to the outside from the air guide hole during ventilation.

In a preferred embodiment, the first connecting ring plates are welded on two sides of the fireproof valve housing, and the first connecting holes are formed in four end corners of the first connecting ring plate 1.

By the above: the first connecting ring plate is matched with the first connecting hole, so that the fireproof valve shell is conveniently connected with the ventilating duct.

In a preferred embodiment, a second connecting ring plate is welded on one side of the air guide box, and second connecting holes are formed in four end corners of the second connecting ring plate.

By the above: the second connecting ring plate is matched with the second connecting hole, so that the air guide box is conveniently connected with a pipeline leading to the outside.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, when the fireproof valve is closed, the valve plate can drive the baffle plate to rotate, so that the flow guide air hole is opened, then smoke can be discharged into the air guide box from the flow guide air hole, and the air guide box is connected with the pipeline which is connected with the same direction and the outside, so that the smoke is rapidly discharged into the outside, the indoor smoke content is reduced, the whole structure is simple, the manufacturing cost is low, and the practicability is good.

2. In the utility model, the air guide fan is arranged in the air guide box, and the air guide fan is started to form active smoke exhaust, so that the smoke exhaust efficiency is high.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic diagram of a three-dimensional structure of a diversion air hole in the utility model;

FIG. 4 is a schematic diagram of a baffle plate in a three-dimensional structure in the utility model.

The marks in the figure: 1-fireproof valve shell, 2-rotating shaft, 3-valve plate, 4-belt wheel, 5-synchronous belt, 6-motor, 7-fixing frame, 8-baffle, 9-diversion air hole, 10-air guide box, 11-supporting frame, 12-air guide fan, 13-connection annular plate I, 14-connection hole I, 15-connection annular plate II and 16-connection hole II.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A fire damper having a flow guiding exhaust structure according to an embodiment of the present utility model will be described in detail with reference to fig. 1 to 4.

Examples:

the embodiment of the utility model provides a fire protection valve with a diversion exhaust structure, which is shown by referring to fig. 1 and 2, and comprises a fire protection valve shell 1, wherein the fire protection valve shell 1 is connected with a ventilation pipeline, two rotating shafts 2 are rotatably connected to the fire protection valve shell 1, valve plates 3 are welded on the rotating shafts 2, belt wheels 4 are fixedly connected to the same sides of the two rotating shafts 2, a synchronous belt 5 is connected between the two belt wheels 4, one end of one rotating shaft 2 is fixedly connected with a motor 6, the outer wall of the fire protection valve shell 1 is fixedly connected with a fixing frame 7, the motor 6 is fixedly connected to the fixing frame 7, the structure drives the rotating shafts 2 to rotate through the motor 6, and the two rotating shafts 2 are connected with the synchronous belt 5 through the belt wheels 4, so that the valve plates 3 of the two rotating shafts 2 are driven to rotate, thereby realizing the opening and closing of the fire protection valve, and further, when a fire disaster is encountered, the fire protection valve can be closed, and the fire spread is prevented.

Referring to fig. 2-4, a baffle 8 is welded on one side of a valve plate 3, the baffle 8 is in a right-angle fan-shaped structure, two air guide holes 9 are formed in the side wall of a fireproof valve shell 1, the air guide holes 9 are in a circular structure, an air guide box 10 is arranged outside the air guide holes 9, the air guide box 10 is connected with a pipeline leading to the outside, when the structure encounters a fire, the valve plate 3 can be rotated to be closed, the valve plate can drive the baffle 8 to rotate 90 degrees, after the valve plate 3 is closed in place, the baffle 8 can not cover the air guide holes 9, smoke generated in a room can enter the air guide box 10 through the air guide holes 9, the smoke is discharged outwards by utilizing the air guide box 10, so that indoor smoke is reduced, the smoke concentration is reduced, and therefore, later firefighters can rescue the smoke and avoid harm to a human body at the same time.

Referring to fig. 2, a supporting frame 11 is fixedly connected to the inside of the air guide box 10, an air guide fan 12 is arranged on the supporting frame 11, the structure uses the suction force generated by the air guide fan 12 on the supporting frame 11 to forcibly discharge outwards, actively guide and discharge, and the guide and discharge speed is high, so that the indoor smoke content can be rapidly reduced.

As shown in fig. 3 and 4, the baffle plate 8 may completely cover the air guide hole 9, so that the air flow does not return to the outside from the air guide hole 9 when the valve plate 3 is opened and ventilated.

Referring to fig. 1, two sides of the fireproof valve housing 1 are welded with a first connecting ring plate 13, and four end corners of the first connecting ring plate 13 are provided with a first connecting hole 14, and the first connecting ring plate 13 is matched with the first connecting hole 14 so as to facilitate connection of the fireproof valve housing 1 with a ventilating duct.

Referring to fig. 1, a second connection ring plate 15 is welded on one side of the air guide box 10, and second connection holes 16 are formed in four end corners of the second connection ring plate 15, and the second connection ring plate 15 is matched with the second connection holes 16, so that the air guide box 10 can be conveniently connected with a pipeline leading to the outside.

The implementation principle of the fire prevention valve with the diversion exhaust structure in the embodiment of the application is as follows: when the fire disaster happens, the motor 6 drives the rotating shafts 2 to rotate at the moment, the two rotating shafts 2 are connected with the synchronous belt 5 through the belt wheels 4, so that the valve plates 3 of the two rotating shafts 2 are driven to rotate, the whole fireproof valve is closed, after the valve plates 3 are closed in place, the baffle plate 8 can not cover the flow guide air holes 9, smoke generated in a room can enter the air guide box 10 through the flow guide air holes 9, the smoke can be forcedly discharged outwards in the air guide box 10 by the aid of the air guide fan 12, indoor smoke is reduced rapidly, smoke concentration is reduced, and accordingly later firefighters can rescue conveniently, and meanwhile harm to a human body caused by thick smoke is avoided.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (5)

1. Fire prevention valve with water conservancy diversion exhaust structure, including fire prevention valve housing (1), its characterized in that: two rotating shafts (2) are rotatably connected to the fireproof valve housing (1), valve plates (3) are welded to the rotating shafts (2), belt wheels (4) are fixedly connected to the same side of the two rotating shafts (2), a synchronous belt (5) is connected between the two belt wheels (4), one end of one rotating shaft (2) is fixedly connected with a motor (6), a fixing frame (7) is fixedly connected to the outer wall of the fireproof valve housing (1), and the motor (6) is fixedly connected to the fixing frame (7);

one side welding of valve block (3) has baffle (8), two water conservancy diversion gas pocket (9) have been seted up to the lateral wall of fire prevention valve casing (1), the outside of water conservancy diversion gas pocket (9) is provided with air guide box (10), the inside fixedly connected with support frame (11) of air guide box (10), be provided with air guide fan (12) on support frame (11).

2. A fire protection valve having a flow directing exhaust structure as defined in claim 1, wherein: the baffle (8) is of a right-angle fan-shaped structure, and the flow guide air holes (9) are of a circular structure.

3. A fire protection valve having a flow directing exhaust structure as defined in claim 1, wherein: the baffle plate (8) can completely cover the diversion air hole (9).

4. A fire protection valve having a flow directing exhaust structure as defined in claim 1, wherein: the two sides of the fireproof valve housing (1) are welded with a first connecting ring plate (13), and the four end corners of the first connecting ring plate (13) are provided with a first connecting hole (14).

5. A fire protection valve having a flow directing exhaust structure as defined in claim 1, wherein: one side of the air guide box (10) is welded with a second connecting ring plate (15), and four end corners of the second connecting ring plate (15) are provided with second connecting holes (16).

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