CN213869569U

CN213869569U - Automatic fireproof door

Info

Publication number: CN213869569U
Application number: CN202021458946.XU
Authority: CN
Inventors: 郑晨光
Original assignee: Tianjin Senao Door & Window Co ltd
Current assignee: Tianjin Senao Door & Window Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-08-03
Anticipated expiration: 2030-07-22

Abstract

The utility model provides an automatic fireproof door, which comprises a door body and a door frame; the door body is of a hollow structure, a fireproof core plate and 2 flame-retardant asbestos plates are filled in the door body, a water pipe is arranged at the top of the fireproof core plate, and a plurality of first water seepage holes and a plurality of second water seepage holes are formed in the water pipe; the inside of door frame is inlayed and is had first pipe, install the ball valve on the first pipe, the gear housing is in the outside of the valve rod of ball valve and with valve rod fixed connection, the spring is fixed respectively at the both ends of rack with the wax stone. The utility model discloses an automatic fireproof door, which utilizes the water in the water tank to soak the fireproof core plate and the flame-retardant asbestos plate; and the pipeline is provided with a ball valve, the wax block is used for propping against the rack compression spring, and the wax block absorbs the heat of the door body to melt when a fire disaster occurs, so that the rack drives the valve rod of the ball valve to rotate under the elastic force action of the spring to connect the ball valve.

Description

Automatic fireproof door

Technical Field

The utility model belongs to fire prevention door and window makes the field, especially relates to an automatic prevent fire door.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. 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 existing fire door for the staircase only meets the requirement of fire prevention by filling a fire-resistant material in the hollow door body, and the fire door cannot timely cool the door body when a fire disaster occurs, so that the fire time is short, and the fire-proof effect is poor.

Disclosure of Invention

In view of this, the utility model aims at providing an automatic prevent fire door to when the conflagration breaing out, in time to the door body water spray, soak the door body and cool down, and extension door body fire-resistant time.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an automatic fireproof door comprises a door body and a door frame, wherein the door body is connected with the door frame through a hinge, and a fireproof expansion sealing strip matched with the door body is arranged on the inner side of the door frame;

the door body is of a hollow structure, a fireproof core plate and 2 flame-retardant asbestos plates are filled in the door body, the flame-retardant asbestos plates are respectively fixed on two sides of the fireproof core plate, a water pipe is arranged at the top of the fireproof core plate, a plurality of first water seepage holes and a plurality of second water seepage holes are formed in the water pipe, the first water seepage holes are matched with the fireproof core plate, and the second water seepage holes are matched with the flame-retardant asbestos plates;

the utility model discloses a valve, including door frame, water pipe, ball valve, rack and wax stone, the inside of door frame is inlayed and is had first pipe, the one end of first pipe with the water pipe is linked together through the pipeline, and the other end of first pipe links to each other with the water source, install the ball valve on the first pipe, one side of ball valve is equipped with the drive the valve rod pivoted drive assembly of ball valve, drive assembly includes gear, rack, spring and wax stone, the gear housing the outside of the valve rod of ball valve and with valve rod fixed connection, rack and gear engagement, the both ends at the rack are fixed respectively to spring and wax stone, the other end of spring and the inner wall fixed connection of door frame.

Furthermore, a heat conducting fin is arranged on the wax block and penetrates through the center of the wax block, and two ends of the heat conducting fin are respectively abutted to the outer walls of two sides of the door body.

Furthermore, the heat conducting fins are made of copper.

Furthermore, the fireproof core board is made of foam concrete.

Furthermore, a plurality of fireproof through holes arranged along the height direction of the fireproof core plate are formed in the fireproof core plate, and the fireproof through holes are matched with the first water seepage holes.

Furthermore, prevent fire door still is equipped with the water tank, the water tank inlay with in the wall body that the door frame links to each other, first pipe with the water tank is linked together.

Further, an air bag is arranged in the water tank.

Furthermore, a second guide pipe is embedded in the door body, one end of the second guide pipe is communicated with the water pipe, and the other end of the second guide pipe is communicated with the first guide pipe.

Further, the inner diameter of the end of the second conduit connected with the first conduit is larger than that of the first conduit.

Compared with the prior art, an automatic prevent fire door have following advantage:

(1) the utility model discloses an automatic fireproof door, connect fire-proof core with the water tank through the pipeline, when the conflagration breaks out, utilize the water in the water tank to soak fire-proof core and fire-retardant asbestos board, play the effect of cooling on the one hand, on the other hand prolongs the fire-resistant time of the door body; the ball valve is arranged on the pipeline, the wax block is used for propping against the rack compression spring, the wax block absorbs heat of the door body and is melted when a fire disaster occurs, so that the rack drives the valve rod of the ball valve to rotate under the elastic action of the spring, the ball valve is switched on, water in the water tank enters the hollow door body through the pipeline, and the ball valve is driven by a pure mechanical structure, has a simple structure and is stable and reliable in action.

(2) An automatic prevent fire door, set up the gasbag in the water tank, utilize compression gasbag's resilience force effect to the water supply power in the water tank, log off the water tank with higher speed promotes the conflagration response speed of fire prevention soundproof door.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a fire door according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the interior of the fire door according to the embodiment of the present invention;

fig. 3 is an enlarged view of a portion a of the fire door according to an embodiment of the present invention;

fig. 4 is an enlarged view of a portion B of the fire door according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a water pipe according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a door body according to an embodiment of the present invention.

Description of reference numerals:

1. a door body; 11. a fire-proof core board; 111. a fire-proof through hole; 12. a flame retardant asbestos sheet; 13. a water pipe; 131. a first water seepage hole; 132. a second water seepage hole; 14. a second conduit; 2. a door frame; 21. a first conduit; 211. a ball valve; 212. a gear; 213. a rack; 214. a spring; 215. a wax block; 2151. a heat conductive sheet; 3. a water tank; 31. an air bag.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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 defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-6, an automatic fireproof door comprises a door body 1 and a door frame 2, wherein the door body 1 is connected with the door frame 2 through a hinge, and a fireproof expansion sealing strip matched with the door body 1 is arranged on the inner side of the door frame 2; a door closer is arranged between the door body 1 and the door frame 2 to ensure that the door body 1 is in a normally closed state.

The door body 1 is of a hollow structure, a

fireproof core plate

11 and 2 flame-retardant asbestos plates 12 are filled in the door body 1, the flame-retardant asbestos plates 12 are respectively fixed on two sides of the fireproof core plate 11, a water pipe 13 is arranged at the top of the fireproof core plate 11, a plurality of first water seepage holes 131 and a plurality of second water seepage holes 132 are formed in the water pipe 13, the first water seepage holes 131 are matched with the fireproof core plate 11, and the second water seepage holes 132 are matched with the flame-retardant asbestos plates 12; connect fire prevention core 11 and water tank 3 through the pipeline, when the conflagration breaing out, utilize the water in the water tank 3 to soak fire prevention core 11 and fire-retardant asbestos board 12, play the effect of cooling on the one hand, on the other hand prolongs the fire-resistant time of the door body 1.

Door frame 2's inside is inlayed and is had first pipe 21, first pipe 21 one end with water pipe 13 is linked together through the pipeline, and first pipe 21's the other end links to each other with the water source, install ball valve 211 on the first pipe 21, one side of ball valve 211 is equipped with the drive the valve rod pivoted drive assembly of ball valve 211, drive assembly includes gear 212, rack 213, spring 214 and wax stone 215, gear 212 cover the outside of ball valve 211's valve rod and with valve rod fixed connection, rack 213 and gear 212 meshing, the both ends at rack 213 are fixed respectively to spring 214 and wax stone 215, the other end of spring 214 and door frame 2's inner wall fixed connection. When the wax 215 is unmelted, the spring 214 is in a compressed state. The ball valve 211 is arranged on the first guide pipe 21, the wax block 215 is used for propping against the rack 213 to compress the spring 214, the wax block 215 absorbs heat of the door body 1 to melt when a fire disaster occurs, so that the rack 213 drives the valve rod of the ball valve 211 to rotate under the elastic force action of the spring 214, the ball valve 211 is connected, water in the water tank 3 enters the hollow door body 1 through a pipeline, the ball valve 211 is driven by a pure mechanical structure, the structure is simple, and the action is stable and reliable.

The inside recess that is equipped with of door frame 2, spring 214, rack 213 and wax stone 215 all install in the recess, and then guarantee the smooth and easy slip of rack 213 along the recess to it is stable with gear 212 meshing.

The wax block 215 is provided with a heat conducting fin 2151, the heat conducting fin 2151 penetrates through the center of the wax block 215, and two ends of the heat conducting fin 2151 respectively abut against the outer walls of two sides of the door body 1. The heat conducting sheet 2151 is used for transferring the temperature of the outer surface of the door body 1 to the wax block 215, so that the wax block 215 can be melted in time.

The heat conducting sheet 2151 is made of copper. The heat conduction efficiency of the copper heat conduction sheet 2151 is high, and the fire response speed of the fire door is further improved.

The fireproof core board 11 is made of foam concrete. The fireproof core board 11 is made of foam concrete and has the function of moisture absorption.

A plurality of fire-proof through holes 111 arranged along the height direction of the fire-proof core plate 11 are arranged on the fire-proof core plate, and the fire-proof through holes 111 are matched with the first water seepage holes 131. Water is poured into the fireproof through holes 111 of the fireproof core board 11, so that the fireproof core board 11 absorbs water more uniformly and has better fireproof effect.

The fireproof door is further provided with a water tank 3, the water tank 3 is embedded in a wall body connected with the door frame 2, and the first conduit 21 is communicated with the water tank 3. An air bag 31 is arranged in the water tank 3. The air bag 31 is arranged in the water tank 3, power is provided for water in the water tank 3 by utilizing the resilience force of the compressed air bag 31, the water is discharged out of the water tank 3 in an accelerating mode, and the fire response speed of the fire door is improved.

A second guide pipe 14 is embedded in the door body 1, one end of the second guide pipe 14 is communicated with the water pipe 13, and the other end of the second guide pipe 14 is communicated with the first guide pipe 21.

The end of the second conduit 14 connected to the first conduit 21 has an inner diameter larger than that of the first conduit 21. The arrangement of the structure enables water to smoothly enter the second guide pipe 14 from the first guide pipe 21, and prevents water from leaking and being incapable of wetting the fireproof core plate 11.

The working principle is as follows:

when a fire disaster happens, the door body 1 is heated, the outer surface temperature of the door body 1 is timely transmitted to the wax block 215 by the heat conducting sheet 2151, the wax block 215 is heated and melted, one end of the rack 213, which is in contact with the wax block 215, is not stressed any more, so that the rack 213 moves under the elastic force of the spring 214, the gear 212 meshed with the rack is further pushed to rotate, the gear 212 drives the ball body of the ball valve 211 to rotate through the valve rod of the ball valve 211, the ball valve 211 is switched on and opened, water in the water tank 3 is rapidly discharged out of the water tank 3 under the resilience force of the air bag 31, the water enters the water pipe 13 through the first guide pipe 21 and the second guide pipe 14, and finally enters the fireproof through hole 111 of the fireproof core plate 11 through the first water seepage hole 131 of the water pipe 13, and the fireproof core plate 11 is gradually soaked to form a fireproof layer; the water is soaked into the flame-retardant asbestos board 12 through the second water seepage hole 132, so that the flame-retardant asbestos board 12 is soaked, and the fire-resistant time of the door body 1 is further prolonged.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic prevent fire door, its characterized in that: the fireproof door comprises a door body and a door frame, wherein the door body is connected with the door frame through a hinge, and a fireproof expansion sealing strip matched with the door body is arranged on the inner side of the door frame;

2. An automatic fire rated door as claimed in claim 1, wherein: the door body is characterized in that the wax block is provided with a heat conducting sheet, the heat conducting sheet is arranged in the center of the wax block in a penetrating mode, and two ends of the heat conducting sheet are respectively abutted to the outer walls of two sides of the door body.

3. An automatic fire rated door as claimed in claim 2, wherein: the heat conducting fins are made of copper.

4. An automatic fire rated door as claimed in claim 1, wherein: the fireproof core board is made of foam concrete.

5. An automatic fire rated door as claimed in claim 4, wherein: the fireproof core plate is provided with a plurality of fireproof through holes arranged along the height direction of the fireproof core plate, and the fireproof through holes are matched with the first water seepage holes.

6. An automatic fire rated door as claimed in claim 1, wherein: the fireproof door is further provided with a water tank, the water tank is embedded in a wall body connected with the door frame, and the first conduit is communicated with the water tank.

7. An automatic fire rated door as claimed in claim 6, wherein: an air bag is arranged in the water tank.

8. An automatic fire rated door as claimed in claim 1, wherein: the door body is internally embedded with a second guide pipe, one end of the second guide pipe is communicated with the water pipe, and the other end of the second guide pipe is communicated with the first guide pipe.

9. An automatic fire rated door as claimed in claim 8, wherein: the inner diameter of the end of the second conduit connected to the first conduit is larger than the inner diameter of the first conduit.