阅读说明：本技术 一种具有灭火功能的防火门 (Prevent fire door with function of putting out a fire ) 是由 赵应国 于 2021-01-12 设计创作，主要内容包括：本发明公开了一种具有灭火功能的防火门,所述防火门包括有门框、铰接在门框内部并设置有空腔的门体、设置在门框上的储水箱、设置在门体空腔内的抽气组件、用于泄压加水的自动阀门单元；所述门体的空腔内填充物为水,所述门体空腔内的进气口通过抽气组件与门体外部空间连通,所述门体空腔内的出气口通过自动阀门单元与门体外部空间连通,所述门体空腔内的进水口通过自动阀门单元与储水箱的出水口连通,所述门体空腔内的出水口通过喷头与门体外部空间连通。(The invention discloses a fire-proof door with a fire extinguishing function, which comprises a door frame, a door body, a water storage tank, an air exhaust assembly and an automatic valve unit, wherein the door body is hinged inside the door frame and is provided with a cavity; the water storage tank is characterized in that the filler in the cavity of the door body is water, the air inlet in the cavity of the door body is communicated with the external space of the door body through an air exhaust assembly, the air outlet in the cavity of the door body is communicated with the external space of the door body through an automatic valve unit, the water inlet in the cavity of the door body is communicated with the water outlet of the water storage tank through the automatic valve unit, and the water outlet in the cavity of the door body is communicated with the external space of the door body through.)

1. A fire door with a fire extinguishing function is characterized by comprising a door frame (1), a door body (2) hinged inside the door frame (1) and provided with a cavity, a water storage tank (3) arranged on the door frame (1), an air exhaust assembly arranged in the cavity of the door body (2), and an automatic valve unit for releasing pressure and adding water;

the filler is water in the cavity of the door body (2), the air inlet in the cavity of the door body (2) is communicated with the external space of the door body (2) through an air exhaust assembly, the air outlet in the cavity of the door body (2) is communicated with the external space of the door body (2) through an automatic valve unit, the water inlet in the cavity of the door body (2) is communicated with the water outlet of the water storage tank (3) through the automatic valve unit, and the water outlet in the cavity of the door body (2) is communicated with the external space of the door body (2) through a spray head (4).

2. The fire door with a fire extinguishing function according to claim 1, wherein the automatic valve unit comprises a connecting pipe (5), a water inlet pipe (6), a pressure relief pipe (7), a first sealing block (8), a second sealing block (9), a third sealing block (10), a limiting block (11), a first spring (12), a second spring (13), an expansion link (14), a mounting block (15), a groove (16) and a hose (17);

one end of the connecting pipe (5) is communicated with a water outlet of the water storage tank (3) through a hose (17), the other end of the connecting pipe is communicated with the top of a cavity of the door body (2), one ends of the water inlet pipe (6) and the pressure relief pipe (7) are both vertical to and communicated with the connecting pipe (5), a communication port of the pressure relief pipe (7) is higher than a communication port of the water inlet pipe (6), the other end of the water inlet pipe (6) is communicated with the bottom of the cavity of the door body (2), the other end of the pressure relief pipe (7) is communicated with the inner side of the door body (2), the first sealing block (8) is movably arranged in the connecting pipe (5), the lower end face of the first sealing block (8) is fixed with one end of the telescopic rod (14), the other end of the telescopic rod (14) is arranged on the mounting block (15) in a sliding manner, the telescopic rod (14) is further sleeved with a first spring (12), one end of the first spring (12, the other end is connected with installation piece (15) up end, installation piece (15) are fixed at connecting pipe (5) inner wall, still set up on connecting pipe (5) inner wall fluted (16), stopper (11) articulate the inner wall in recess (16), second spring (13) one end is connected with stopper (11) lateral wall, and the other end and recess (16) inner wall connection, first sealed piece (8) up end is fixed with and presses pipe (7) intercommunication mouth matched with second sealed piece (9) through a connecting rod, the terminal surface is fixed with and advances water pipe (6) intercommunication mouth matched with third sealed piece (10) through a connecting rod under first sealed piece (8).

3. The fire door with fire extinguishing function according to claim 2, characterized in that it further comprises a fixed cylinder (18), a float (19), a water inlet hole (20), a water spray pipe (21), a water outlet pipe (22);

the water spraying device is characterized in that the fixed cylinder (18) is fixed at the bottom of a cavity of the door body (2), one end of the water outlet pipe (22) is communicated with the fixed cylinder (18), the other end of the water outlet pipe is communicated with a water inlet of the water spraying pipe (21), a plurality of groups of spray heads (4) are arranged at a water outlet of the water spraying pipe (21), a water inlet hole (20) is further formed in the lower end of one side wall of the fixed cylinder (18), and the buoy (19) is movably arranged in the fixed cylinder (18).

4. The fire door with fire extinguishing function according to claim 3, wherein the air extracting assembly comprises a piston plate (23), an extracting box (24), a cylinder (25), an air outlet pipe (26) and an air inlet pipe (27);

the utility model discloses a pneumatic air pumping unit, including pump chamber (24), piston plate (23), outlet duct (26), other end and the interior cavity bottom intercommunication of door body (2), sealed piston plate (23) and pump chamber (24) intercommunication are passed through to sealed end, and the pump chamber (24) is fixed on the cavity lateral wall in the door body (2), piston plate (23) activity sets up in pump chamber (24), cylinder (25) are fixed on the cavity lateral wall in the door body (2) through the seal box, the flexible end of cylinder (25) is sealed to be worn out the seal box and is fixed with piston plate (23), outlet duct (26) one end and pump chamber (24) intercommunication, the other end and the interior cavity bottom intercommunication of the door body (2), intake pipe (27) one end is passed sealed piston.

5. The fire door with the fire extinguishing function according to claim 3, wherein the air outlet pipe (26) and the air inlet pipe (27) are both provided with one-way valves, the air inlet pipe (27) is a flexible pipe, and an air inlet of the air inlet pipe (27) is provided with a detachable filter screen.

6. The fire door with fire extinguishing function according to claim 5, wherein the stopper (11) is in a horizontal state, the lower end surface thereof is fitted to the upper end surface of the first sealing block (8), and the first spring (12) and the second spring (13) are in a natural state.

Technical Field

The invention relates to a fireproof door, in particular to a fireproof door with a fire extinguishing function.

Background

The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, is an important component in fire-fighting equipment, and is an important part in social fire prevention. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like.

The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.

When a fire disaster occurs, people need to be driven to evacuate, and the fire door needs to extinguish the fire by self, so that the safety passing performance of the fire door is kept.

The utility model discloses in the utility model with publication number CN210396560U, named "prevent fire door" rise to produce pressure through the temperature in the door body and will promote the pressure release pole and open the pressure release hole simultaneously and open the outlet through the water release pole, the drainage is carminative, its weak point lies in: 1. the water temperature in the door body rises to generate steam so as to generate pressure, the damage to the door body due to overhigh temperature of the door body is great, the service life of the door body is shortened, and workers are inconvenient to approach the door for operation; 2. the automatic water inlet valve adds water into the door body through the connected floating block, the floating block is easy to lose control under the influence of the water level, the automatic water inlet valve is led to open the water inlet pipe, water with low temperature is added into the door body, the pressure in the door body is insufficient, pressure cannot be timely discharged, and the door body is deformed.

Disclosure of Invention

Based on the defects in the prior art mentioned in the background art, the invention provides the fireproof door with the fire extinguishing function, and the automatic valve unit is used for controlling the water level and the pressure in the door body to release pressure and add water in the door body, so that the fire outside the door body is extinguished, the door body is cooled, and dense smoke outside the door body is blocked.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps: a fire door with a fire extinguishing function comprises a door frame, a door body, a water storage tank, an air exhaust assembly and an automatic valve unit, wherein the door body is hinged inside the door frame and provided with a cavity;

the water storage tank is characterized in that the filler in the cavity of the door body is water, the air inlet in the cavity of the door body is communicated with the external space of the door body through an air exhaust assembly, the air outlet in the cavity of the door body is communicated with the external space of the door body through an automatic valve unit, the water inlet in the cavity of the door body is communicated with the water outlet of the water storage tank through the automatic valve unit, and the water outlet in the cavity of the door body is communicated with the external space of the door body through.

As a further scheme of the invention, the automatic valve unit comprises a connecting pipe, a water inlet pipe, a pressure relief pipe, a first sealing block, a second sealing block, a third sealing block, a limiting block, a first spring, a second spring, a telescopic rod, an installation block, a groove and a hose;

one end of the connecting pipe is communicated with a water outlet of the water storage tank through a hose, the other end of the connecting pipe is communicated with the top of a cavity of the door body, one ends of the water inlet pipe and the pressure relief pipe are both vertical to and communicated with the connecting pipe, a communication port of the pressure relief pipe is higher than a communication port of the water inlet pipe, the other end of the water inlet pipe is communicated with the bottom of the cavity of the door body, the other end of the pressure relief pipe is communicated with the inner side of the door body, the first sealing block is movably arranged in the connecting pipe, the lower end face of the first sealing block is fixed with one end of the telescopic rod, the other end of the telescopic rod is slidably arranged on the mounting block, the telescopic rod is further sleeved with a first spring, one end of the first spring is connected with the lower end face of the first sealing block, the other end of the first spring is connected with the, one end of the second spring is connected with the side wall of the limiting block, the other end of the second spring is connected with the inner wall of the groove, a second sealing block matched with the communicating port of the pressure relief pipe is fixed on the upper end face of the first sealing block through a connecting rod, and a third sealing block matched with the communicating port of the water inlet pipe is fixed on the lower end face of the first sealing block through a connecting rod.

As a further scheme of the invention, the fireproof door also comprises a fixed cylinder, a buoy, a water inlet hole, a water spray pipe and a water outlet pipe;

the fixed cylinder is fixed at the bottom of the cavity of the door body, one end of the water outlet pipe is communicated with the fixed cylinder, the other end of the water outlet pipe is communicated with the water inlet of the water spraying pipe, a plurality of groups of spray heads are arranged at the water outlet of the water spraying pipe, the lower end of one side wall of the fixed cylinder is further provided with a water inlet hole, and the buoy is movably arranged in the fixed cylinder.

As a further scheme of the invention, the air exhaust assembly comprises a piston plate, an air exhaust box, an air cylinder, an air outlet pipe and an air inlet pipe;

the air exhaust box is fixed on the side wall of the cavity in the door body, the piston plate is movably arranged in the air exhaust box, the air cylinder is fixed on the side wall of the cavity in the door body through the sealing box, the telescopic end of the air cylinder penetrates out of the sealing box in a sealing mode to be fixed with the piston plate, one end of the air outlet pipe is communicated with the air exhaust box, the other end of the air outlet pipe is communicated with the bottom of the cavity in the door body, one end of the air inlet pipe penetrates through the sealing piston plate to be communicated with the air exhaust box, and the other.

As a further scheme of the invention, the air outlet pipe and the air inlet pipe are both provided with one-way valves, the air inlet pipe is a flexible pipe, and the air inlet of the air inlet pipe is provided with a detachable filter screen.

As a further scheme of the invention, when the limiting block is in a horizontal state, the lower end face of the limiting block is attached to the upper end face of the first sealing block, and the first spring and the second spring are in a natural state.

After adopting the structure, compared with the prior art, the invention has the advantages that:

1. the water level in the cavity of the door body descends, the float descends along with the descending of the water level, thereby plugging the water inlet hole on the fixed cylinder, at the moment, the pressure in the door body continues to increase under the action of the air exhaust assembly, the pressure increase pushes the first sealing block to move upwards in the connecting pipe, the limiting block is pushed to compress the second spring, the hinged limiting block is clamped with the groove, at the moment, the first sealing block drives the second sealing block and the third sealing block to move upwards synchronously, the pressure relief pipe channel is opened, the gas filtered by the water entering the door body is discharged from the pressure relief pipe, when the pressure is lower, the water in the water storage tank enters the connecting pipe, the first sealing block drives the second sealing block and the third sealing block to move downwards synchronously under the action of the gravity of the water to compress the first spring, the water is opened, the water is introduced to the bottom of the cavity in the door body, when the pressure in the cavity of the door body pipe channel reaches a certain value, the first sealing block overcomes the action of, The third sealing block seals the water inlet pipe and the pressure relief pipe again, and the pressure is changed through the change of the water level in the cavity, so that the pressure relief and the water addition are automatically carried out in the cavity of the door body, the fire outside the problem can be extinguished by the spray head, the floating amount of smoke is reduced, meanwhile, the problem is cooled, the service life of the door body is prolonged, the cost is reduced, the environment is protected, the energy is saved, the synchronism is good, and the door body is green and healthy;

2. drive the piston board through the cylinder and remove in the exhaust chamber, take the pressure differential just in the exhaust chamber to inhale the exhaust chamber with the outside smog of the door body and filter the aquatic of smog pumping to the cavity bottom under the effect of outlet duct, filter the harmful substance in the smog, increase the pressure in the door body cavity simultaneously, thereby put out the water through the shower nozzle blowout to the external intensity of a fire of door, reduce the showy volume of smog, the synchronism is good, simple structure, convenient operation.

Drawings

Fig. 1 is a schematic structural view of a cavity of the door body of the present invention.

FIG. 2 is a schematic view of the automatic valve unit of the present invention.

Fig. 3 is a schematic structural diagram of the pumping assembly of the present invention.

Fig. 4 is a schematic structural view of the fixed cylinder of the present invention.

Fig. 5 is a schematic structural diagram of the present invention.

In the figure: 1-a door frame; 2-a door body; 3, a water storage tank; 4-a spray head; 5-connecting pipe; 6-water inlet pipe; 7-pressure relief pipe; 8-a first sealing block; 9-a second sealing block; 10-a third sealing block; 11-a limiting block; 12-a first spring; 13-a second spring; 14-a telescopic rod; 15-mounting a block; 16-a groove; 17-a hose; 18-a stationary cylinder; 19-floating; 20-water inlet holes; 21-a water spray pipe; 22-water outlet pipe; 23-a piston plate; 24-a suction box; 25-cylinder; 26-an air outlet pipe; 27-air inlet pipe.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

As shown in fig. 1-5, in the embodiment of the present invention, a fire-proof door with fire extinguishing function includes a door frame 1, a door body 2 hinged inside the door frame 1 and provided with a cavity, a water storage tank 3 arranged on the door frame 1, an air extraction assembly arranged in the cavity of the door body 2, and an automatic valve unit for releasing pressure and adding water;

the filler in the cavity of the door body 2 is water, the air inlet in the cavity of the door body 2 is communicated with the space outside the door body 2 through an air exhaust assembly, the air outlet in the cavity of the door body 2 is communicated with the space outside the door body 2 through an automatic valve unit, the water inlet in the cavity of the door body 2 is communicated with the water outlet of the water storage tank 3 through the automatic valve unit, and the water outlet in the cavity of the door body 2 is communicated with the space outside the door body 2 through a spray head 4;

edible water is filled in the cavity of the door body 2, and when a fire disaster occurs, the pressure in the cavity is increased through the air exhaust assembly, so that the water in the cavity is sprayed out of the door body 2 through the spray head to extinguish the fire and reduce the floating amount of smoke, and the automatic valve unit is controlled to release pressure and add water in the cavity of the door body 2 under the action of the pressure after the water level is reduced.

In the embodiment of the invention, the automatic valve unit comprises a connecting pipe 5, a water inlet pipe 6, a pressure relief pipe 7, a first sealing block 8, a second sealing block 9, a third sealing block 10, a limiting block 11, a first spring 12, a second spring 13, an expansion link 14, an installation block 15, a groove 16 and a hose 17;

one end of the connecting pipe 5 is communicated with a water outlet of the water storage tank 3 through a hose 17, the other end of the connecting pipe is communicated with the top of a cavity of the door body 2, one ends of the water inlet pipe 6 and the pressure relief pipe 7 are both vertically communicated with the connecting pipe 5, the communicating port of the pressure relief pipe 7 is higher than the communicating port of the water inlet pipe 6, the other end of the water inlet pipe 6 is communicated with the bottom of the cavity of the door body 2, the other end of the pressure relief pipe 7 is communicated with the inner side of the door body 2, the first sealing block 8 is movably arranged in the connecting pipe 5, the lower end face of the first sealing block 8 is fixed with one end of the telescopic rod 14, the other end of the telescopic rod 14 is slidably arranged on the mounting block 15, the telescopic rod 14 is further sleeved with a first spring 12, one end of the first spring 12 is connected with the lower end face of the first sealing block 8, a groove 16 is further formed in the inner wall of the connecting pipe 5, the limiting block 11 is hinged to the inner wall of the groove 16, one end of the second spring 13 is connected with the side wall of the limiting block 11, the other end of the second spring is connected with the inner wall of the groove 16, a second sealing block 9 matched with a communication port of the pressure relief pipe 7 is fixed on the upper end face of the first sealing block 8 through a connecting rod, and a third sealing block 10 matched with a communication port of the water inlet pipe 6 is fixed on the lower end face of the first sealing block 8 through a connecting rod;

when a fire disaster occurs, the pressure in the cavity of the door body 2 is increased, the first sealing block 8 drives the second sealing block 9 and the third sealing block 10 to move upwards synchronously under the action of the pressure, the hinged limiting block 11 is pushed to overcome the elastic force of the second spring 13 to compress the second spring 13, so that the limiting block 11 is pushed into the groove 16, the first sealing block 8 is abutted against the side wall of the limiting block 11 to clamp the limiting block 11 with the groove 16, at the moment, the second sealing block 9 is separated from the pressure relief pipe 7 to communicate the pressure relief pipe 7 with the cavity of the door body 2, filtered gas is discharged, after the pressure in the cavity of the door body 2 is reduced, the first sealing block 8 drives the second sealing block 9 and the third sealing block 10 to move downwards under the action of the gravity of water and compresses the first spring 12, the first sealing block 8 is not contacted with the limiting block 11, the limiting block 11 is reset under the action of the second spring 13, so that the third sealing block 10 is separated from the water inlet pipe 6, the water inlet pipe 6 is communicated with the bottom of the cavity of the door body 2, water in the water storage tank 3 is introduced into the cavity of the door body 2, and after the pressure in the cavity of the door body 2 is increased, the first sealing block 8 drives the second sealing block 9 and the third sealing block 10 to seal the water inlet pipe 6 and the pressure relief pipe 7 again under the action of the pressure, the first spring 12 and the limiting block 11.

In the embodiment of the invention, the fireproof door further comprises a fixed cylinder 18, a float 19, a water inlet hole 20, a water spray pipe 21 and a water outlet pipe 22;

the fixed cylinder 18 is fixed at the bottom of the cavity of the door body 2, one end of the water outlet pipe 22 is communicated with the fixed cylinder 18, the other end of the water outlet pipe is communicated with the water inlet of the water spraying pipe 21, a plurality of groups of spray heads 4 are arranged at the water outlet of the water spraying pipe 21, a water inlet hole 20 is further formed in the lower end of one side wall of the fixed cylinder 18, and the float 19 is movably arranged in the fixed cylinder 18;

when the water level in the fixed cylinder 18 falls, the float 19 falls along with the fall of the water level to block the water inlet hole 20, so that the water spraying of the water spraying pipe 21 is suspended, the pressure in the cavity of the door body 2 is increased under the action of the air exhaust assembly, and the first sealing block 8 is triggered to move in the connecting pipe 5.

In the embodiment of the present invention, the air pumping assembly includes a piston plate 23, an air pumping box 24, an air cylinder 25, an air outlet pipe 26, and an air inlet pipe 27;

the air exhaust box 24 is fixed on the side wall of the cavity in the door body 2, the piston plate 23 is movably arranged in the air exhaust box 24, the air cylinder 25 is fixed on the side wall of the cavity in the door body 2 through the sealing box, the telescopic end of the air cylinder 25 penetrates out of the sealing box in a sealing manner to be fixed with the piston plate 23, one end of the air outlet pipe 26 is communicated with the air exhaust box 24, the other end of the air outlet pipe is communicated with the bottom of the cavity in the door body 2, one end of the air inlet pipe 27 penetrates through the sealing piston plate 23 to be communicated with the air exhaust box 24, and the other end of the.

In the embodiment of the invention, the air outlet pipe 26 and the air inlet pipe 27 are both provided with one-way valves, the air inlet pipe 27 is a flexible pipe, and an air inlet of the air inlet pipe 27 is provided with a detachable filter screen;

the cylinder 25 drives the piston plate 23 to move in the air exhaust box 24, so that the pressure difference in the air exhaust box 24 is changed, the smoke in the outer space of the door body 2 is sucked into the air exhaust box 24 and pumped to the bottom of the cavity in the door body 2 through the air outlet pipe 26, water is filtered, the pressure of the cavity in the door body 2 is increased, the water spraying effect is realized, the check valves are respectively arranged on the air outlet pipe 26 and the air inlet pipe 27, so that the air outlet pipe 26 only can admit air, and the air inlet pipe 27 only can give out air.

In the embodiment of the invention, when the limiting block 11 is in the horizontal state, the lower end surface of the limiting block is attached to the upper end surface of the first sealing block 8, and the first spring 12 and the second spring 13 are in the natural state.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.