CN216588361U

CN216588361U - Normally closed smoke-proof steel fireproof door

Info

Publication number: CN216588361U
Application number: CN202123129468.5U
Authority: CN
Inventors: 王加顺
Original assignee: Yunnan Lushun Fireproof Glass Door And Window Co ltd
Current assignee: Yunnan Lushun Fireproof Glass Door And Window Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-24
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a normally closed smoke-isolating steel fireproof door, belongs to the field of fireproof facilities, and aims to solve the problems that the fireproof door is poor in sealing effect, cannot isolate dense smoke, is lack of a fire sensing warning device and a water spraying device, cannot remind people in time when a fire occurs, is easy to cause high temperature of a door body and a handle due to the fire, and is inconvenient for people to open the door body quickly for evacuation. Through the matching arrangement of the first sealing strip, the stop strip, the second sealing strip, the first limiting groove, the connecting sheet, the third sealing strip and the second limiting groove, triple sealing can be formed when the steel door leaf is closed, the sealing performance of the fireproof door is improved, and toxic dense smoke is effectively prevented from being emitted; through the setting of water jet equipment and response lamp, the response lamp can light the warning people sparse when the conflagration takes place the very first time, and water jet equipment in time sprays water downwards simultaneously, cools down the heat dissipation to steel door leaf and door handle to make things convenient for personnel to open the steel door leaf fast and escape.

Description

Normally closed smoke-proof steel fireproof door

Technical Field

The utility model relates to the field of fireproof facilities, in particular to a normally closed smoke-proof steel fireproof 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 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. The fireproof door can be divided into a wooden fireproof door, a steel-wood fireproof door, other fireproof doors and the like according to materials. The fire door is divided into a normally closed fire door and a normally open fire door according to the opening state. The most commonly used is the normally closed fire door, which generally consists of a fire door leaf, a door frame, a door closer, a sealing strip and the like, and a sequencer is also installed on the double-leaf or multi-leaf normally closed fire door. The door leaf of the normally closed fireproof door is always in a closed state, and a person can manually open the normally closed fireproof door when passing through the normally closed fireproof door and automatically close the normally closed fireproof door after passing through the normally closed fireproof door; if the push bolt hardware is installed, the evacuation speed is accelerated.

Present normal close formula steel prevents that fire door exists certain drawback when using, prevents that fire door whole sealing effect is relatively poor, unable separation dense smoke, and when the conflagration breaing out, poisonous dense smoke passes prevents that fire door effluvium easily, prevents that fire door lacks fire sensing warning device and water jet equipment in addition, can't in time remind personnel when the conflagration breaing out, and the conflagration also makes the door body and handle form high temperature easily, and inconvenient personnel open a body fast and evacuate.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a normally closed smoke-insulating steel fireproof door, which adopts the technical scheme that the normally closed smoke-insulating steel fireproof door comprises a steel door frame, a steel door leaf, a door closer and a microprocessor, wherein two steel door leaves are movably connected inside the steel door frame, the door closer is arranged between the top of each steel door leaf and the steel door frame, the microprocessor is arranged inside the steel door frame, a first sealing strip is fixedly connected to the outer surface of each steel door leaf, sealing can be formed between the steel door leaf and the steel door frame when the steel door leaf is closed through the arrangement of the first sealing strip, the sealing performance is improved, blocking strips are arranged at the top and the bottom of the back of the steel door leaf inside the steel door frame, the front of each blocking strip is fixedly connected with a second sealing strip, and first limiting grooves matched with the second sealing strips are formed at the top and the bottom of the back of the steel door leaf, through the arrangement of the blocking strip, the second sealing strip and the first limiting groove, the second sealing strip can be embedded into the first limiting groove in the blocking strip when the steel door leaf is closed, the sealing performance is further improved, the connecting sheets are fixedly connected to the front side of the left steel door leaf and the back side of the right steel door leaf, the third sealing strip is fixedly connected to the inner side of the connecting sheet, the second limiting grooves matched with the third sealing strip are formed in the back side of the left steel door leaf and the front side of the right steel door leaf, the third sealing strip and the second limiting groove are arranged, the third sealing strip on the inner side of the connecting sheet can be embedded into the second limiting groove when the steel door leaf is closed, the sealing performance between the steel door leaves is improved, toxic dense smoke is prevented from being scattered, the mounting plate is embedded in the top of the front side of the steel door frame, and the water spraying device is arranged on the front side of the mounting plate, through the setting of water jet equipment, can be when the response lamp is lighted, water jet equipment in time sprays water downwards, cools down the heat dissipation to steel door leaf and door handle to make things convenient for personnel to open the steel door leaf fast, water jet equipment's both ends are through fixed knot structure and mounting panel fixed connection, through the setting of fixed knot structure, can conveniently dismantle and change water jet equipment, the front and the back of steel door frame all are provided with the response lamp, the response lamp is connected with microprocessor, through the setting of response lamp, can light when the conflagration takes place, the very first time reminds people to evacuate.

As a preferred technical scheme, the steel door leaf is movably connected with the steel door frame through the hinge, the observation window is arranged inside the steel door leaf and made of fireproof glass, and through the arrangement of the observation window, people can conveniently check the fire condition through the observation window.

As a preferred technical solution of the present invention, door handles are disposed below the observation window, and a lock hole is disposed above one of the door handles, so that the steel door leaf can be conveniently locked or unlocked by the arrangement of the door handles and the lock hole.

According to a preferable technical scheme of the utility model, the water spraying device comprises a water inlet pipe, a water collecting pipe and water spraying heads, the front surface of the mounting plate is connected with the water collecting pipe through the water inlet pipe, the outer surface of the water collecting pipe is provided with a plurality of water spraying heads at equal intervals, the water inlet pipe is communicated with a resident water supply source through a micro water pump, the micro water pump is connected with a microprocessor, and through the arrangement of the water inlet pipe, the water collecting pipe and the water spraying heads, resident water supply can be led in and sprayed out, so that cooling and heat dissipation can be carried out on the steel door leaf and the door handle, and a person can conveniently and quickly open the steel door leaf.

According to a preferable technical scheme, the fixing structure comprises a clamping rod, a threaded head, a movable block, a clamping groove and a nut, the clamping rod is fixedly connected to two ends of the water collecting pipe, the threaded head is arranged at one end of the clamping rod, the movable block is slidably connected to the inner portion of the mounting plate, the clamping groove matched with the clamping rod is formed in the movable block, the nut is connected to the outer surface of the threaded head in a threaded mode, and the water collecting pipe and the water spraying head can be conveniently detached and replaced through the clamping rod, the threaded head, the movable block, the clamping groove and the nut.

As a preferable technical scheme of the utility model, the mounting plate is internally provided with a sliding groove, the movable block is in sliding connection with the mounting plate through the sliding groove, and the movable block can be prevented from blocking when the water collecting pipe and the water spraying head are detached through the arrangement of the sliding groove.

The utility model has the beneficial effects that: according to the utility model, through the matched arrangement of the first sealing strip, the stop strip, the second sealing strip, the first limiting groove, the connecting sheet, the third sealing strip and the second limiting groove, when the steel door leaf is closed, the first sealing strip is extruded, so that sealing is formed between the steel door leaf and the steel door frame, the second sealing strip is embedded into the first limiting groove in the stop strip, the sealing property is further improved, the third sealing strip on the inner side of the connecting sheet is embedded into the second limiting groove, triple sealing is realized, the sealing property of the fireproof door is improved, and toxic dense smoke is effectively prevented from being emitted; through the setting of water jet equipment and response lamp, the response lamp can light the warning people sparse when the conflagration takes place the very first time, and water jet equipment in time sprays water downwards simultaneously, cools down the heat dissipation to steel door leaf and door handle to make things convenient for personnel to open the steel door leaf fast and escape.

Drawings

FIG. 1 is a front view of the steel door leaf of the present invention;

FIG. 2 is a front view of the steel door leaf of the present invention;

FIG. 3 is a schematic rear view of the steel door leaf according to the present invention;

FIG. 4 is a schematic perspective view of the water spraying device of the present invention;

FIG. 5 is a schematic top view of the joint of the steel door leaf of the present invention when closed;

FIG. 6 is an enlarged view of the structure of the present invention at A.

In the figure: 1. a steel door frame; 2. a steel door leaf; 3. a door closer; 4. a first seal strip; 5. a stop bar; 6. a second seal strip; 7. a first limit groove; 8. connecting sheets; 9. a third seal strip; 10. a second limit groove; 11. mounting a plate; 12. a water spraying device; 1201. a water inlet pipe; 1202. a water collection pipe; 1203. a sprinkler head; 13. a fixed structure; 1301. a clamping and connecting rod; 1302. a screw head; 1303. a movable block; 1304. a card slot; 1305. a nut; 14. an induction lamp; 15. a hinge; 16. an observation window; 17. a door handle; 18. a lock hole; 19. a chute.

Detailed Description

Example 1

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, the utility model discloses a normally closed smoke-proof steel fireproof door, which adopts the technical scheme that the smoke-proof steel fireproof door comprises a steel door frame 1, steel door leaves 2, a door closer 3 and a microprocessor, wherein the steel door frame 1 is movably connected with two steel door leaves 2, the door closer 3 is arranged between the top of each steel door leaf 2 and the steel door frame 1, the microprocessor is arranged inside the steel door frame 1, the outer surface of each steel door leaf 2 is fixedly connected with a first sealing strip 4, when the door closer 3 closes the steel door leaves 2, the first sealing strips 4 are extruded to form sealing between the steel door leaves 2 and the steel door frame 1, the top and the bottom of the steel door frame 1, which are positioned at the back of the steel door leaves 2, are respectively provided with a baffle bar 5, the front of each steel baffle bar 5 is fixedly connected with a second sealing strip 6, the top and the bottom of the back of each door leaf 2 are respectively provided with a first limiting groove 7 matched with the second sealing strip 6, when the steel door leaf 2 is closed, the second sealing strip 6 is embedded into the first limiting groove 7 in the blocking strip 5 for further sealing, the connecting sheet 8 is fixedly connected to the front of the left steel door leaf 2 and the back of the right steel door leaf 2, the third sealing strip 9 is fixedly connected to the inner side of the connecting sheet 8, the second limiting grooves 10 matched with the third sealing strip 9 are formed in the back of the left steel door leaf 2 and the front of the right steel door leaf 2, when the steel door leaf 2 is closed, the third sealing strip 9 inside the connecting sheet 8 is embedded into the second limiting groove 10, the sealing performance between the steel door leaves 2 is improved, toxic dense smoke is prevented from being scattered, the mounting plate 11 is embedded in the top of the front of the steel door frame 1, the water spraying device 12 is arranged on the front of the mounting plate 11, when the induction lamp 14 is on, the water spraying device 12 on the front of the mounting plate 11 timely sprays water downwards to cool the steel door leaf 2 and the door handle 17, the steel door leaf 2 is convenient for people to open and escape quickly, the two ends of the water spraying device 12 are fixedly connected with the mounting plate 11 through the fixing structures 13, the water spraying device 12 can be conveniently detached and replaced by the fixing structures 13, the induction lamps 14 are arranged on the front side and the back side of the steel door frame 1, the induction lamps 14 are connected with the microprocessor, and when a fire disaster happens, the induction lamps 14 are turned on for the first time to remind people to evacuate.

As a preferred technical scheme of the utility model, the steel door leaf 2 is movably connected with the steel door frame 1 through a hinge 15, an observation window 16 is arranged inside the steel door leaf 2, the observation window 16 is made of fireproof glass, and the observation window 16 made of fireproof glass is convenient for people to check the fire scene situation through a fireproof door.

In a preferred embodiment of the present invention, the door handles 17 are provided below the observation window 16, and the lock hole 18 is provided above one of the door handles 17, so that the steel door 2 can be opened or locked by the door handles 17 and the lock hole 18.

As a preferred technical solution of the present invention, the water spraying device 12 includes a water inlet pipe 1201, a water collecting pipe 1202 and water spraying heads 1203, the front surface of the mounting plate 11 is connected to the water collecting pipe 1202 through the water inlet pipe 1201, the outer surface of the water collecting pipe 1202 is equidistantly provided with a plurality of water spraying heads 1203, the water inlet pipe 1201 is communicated with a resident water supply source through a micro water pump, the micro water pump is connected to a microprocessor, when a fire occurs, the micro water pump introduces the resident water into the water inlet pipe 1201 and the water collecting pipe 1202 and sprays out downwards from the water spraying heads 1203 to cool and dissipate heat of the steel door leaf 2 and the door handle 17, so that a person can conveniently and quickly open the steel door leaf 2 to escape.

As a preferred technical solution of the present invention, the fixing structure 13 includes a clamping rod 1301, a screw head 1302, a movable block 1303, a clamping groove 1304, and a nut 1305, both ends of the water collecting pipe 1202 are fixedly connected with the clamping rods 1301, one end of the clamping rod 1301 is provided with the screw head 1302, the movable block 1303 is slidably connected inside the mounting plate 11, the movable block 1303 is provided with the clamping groove 1304 adapted to the clamping rod 1301 inside, the nut 1305 is connected to an outer surface of the screw head 1302 in a threaded manner, and the clamping rod 1301 and the clamping groove 1304 can clamp and limit the water collecting pipe 1202 to prevent the water collecting pipe 1202 from rotating, and the movable block 1303 and the water collecting pipe 1202 can be separated by using the screw head 1302 and the nut 1305.

As a preferred technical solution of the present invention, a sliding groove 19 is formed in the mounting plate 11, the movable block 1303 is slidably connected to the mounting plate 11 through the sliding groove 19, and when the movable block 1303 is separated from the water collecting pipe 1202, the movable block 1303 slides in the sliding groove 19.

The working principle of the utility model is as follows: when the steel door leaf 2 is closed, the first sealing strip 4 is extruded to form sealing between the steel door leaf 2 and the steel door frame 1, the second sealing strip 6 is embedded into the first limiting groove 7 inside the blocking strip 5 to further form sealing, the third sealing strip 9 inside the connecting sheet 8 is embedded into the second limiting groove 10 to form triple sealing, the sealing performance of the fireproof door is improved, toxic and dense smoke is effectively avoided being emitted, when a fire occurs, the induction lamp 14 is lighted for reminding people to evacuate at the first time, meanwhile, the miniature water pump introduces water for residents into the water inlet pipe 1201 and the water collecting pipe 1202 and sprays out downwards from the water spray head 1203 to cool the steel door leaf 2 and the door handle 17 for heat dissipation, the steel door leaf 2 is convenient for the personnel to rapidly open the steel door leaf 2 to escape, the clamping rod 1301 and the clamping groove 1304 clamp and limit the water collecting pipe 1202, the water collecting pipe 1202 is avoided rotating, the observation window 16 made of fireproof glass can be convenient for the personnel to check the fire scene situation through the fireproof door, further, the steel door 2 can be opened or locked by the door closer 3, the hinge 15, the door handle 17, and the lock hole 18, and the movable block 1303 can be slid in the slide groove 19 by the screw head 1302 and the nut 1305, so that the water collecting pipe 1202 can be detached.

The microprocessor adopts an Altermer 89C51 type singlechip for switching on and off the miniature water pump and the induction lamp, and technical staff in the field can refer to textbooks or technical manuals published by manufacturers for technical enlightenment by pins and connection modes of 89C 51; the electrical circuits and mechanical connections involved in the present invention are conventional means employed by those skilled in the art and may be suggested by limited experimentation and are within the ordinary skill of the art.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides a normal close formula separates cigarette steel and prevents fire door, includes steel door frame (1), steel door leaf (2), door closer (3) and microprocessor, the inside swing joint of steel door frame (1) has two steel door leaves (2), be provided with door closer (3) between the top of steel door leaf (2) and steel door frame (1), the inside of steel door frame (1) is provided with microprocessor, its characterized in that: the outer surface of the steel door leaf (2) is fixedly connected with a first sealing strip (4), the top and the bottom of the inner part of the steel door frame (1) which are positioned at the back of the steel door leaf (2) are respectively provided with a blocking strip (5), the front of the blocking strip (5) is fixedly connected with a second sealing strip (6), the top and the bottom of the back of the steel door leaf (2) are respectively provided with a first limiting groove (7) matched with the second sealing strip (6), the front of the left steel door leaf (2) and the back of the right steel door leaf (2) are respectively fixedly connected with a connecting sheet (8), the inner side of the connecting sheet (8) is fixedly connected with a third sealing strip (9), the back of the left steel door leaf (2) and the front of the right steel door leaf (2) are respectively provided with a second limiting groove (10) matched with the third sealing strip (9), and a mounting plate (11) is embedded in the front top of the steel door frame (1), the front of mounting panel (11) is provided with water jet equipment (12), fixed knot constructs (13) and mounting panel (11) fixed connection is passed through at the both ends of water jet equipment (12), the front and the back of steel door frame (1) all are provided with response lamp (14), response lamp (14) are connected with microprocessor.

2. The normally closed smoke-insulating steel fire door as claimed in claim 1, wherein: the steel door leaf (2) is movably connected with the steel door frame (1) through a hinge (15), an observation window (16) is arranged inside the steel door leaf (2), and the observation window (16) is made of fireproof glass.

3. The normally closed smoke barrier steel fire rated door of claim 2, further comprising: the door handles (17) are arranged below the observation window (16), and the lock hole (18) is arranged above one door handle (17).

4. The normally closed smoke-insulating steel fire door as claimed in claim 1, wherein: the water spraying device (12) comprises a water inlet pipe (1201), a water collecting pipe (1202) and water spraying heads (1203), the front face of the mounting plate (11) is connected with the water collecting pipe (1202) through the water inlet pipe (1201), the outer surface of the water collecting pipe (1202) is equidistantly provided with the water spraying heads (1203), the water inlet pipe (1201) is communicated with a resident water supply source through a micro water pump, and the micro water pump is connected with the microprocessor.

5. The normally closed smoke-insulating steel fire door as claimed in claim 4, wherein: fixed knot constructs (13) including joint pole (1301), thread head (1302), movable block (1303), draw-in groove (1304) and nut (1305), the equal fixedly connected with joint pole (1301) in both ends of collector pipe (1202), the one end of joint pole (1301) is provided with thread head (1302), the inside sliding connection of mounting panel (11) has movable block (1303), draw-in groove (1304) with joint pole (1301) looks adaptation are seted up to the inside of movable block (1303), the surface threaded connection of thread head (1302) has nut (1305).

6. The normally closed smoke barrier steel fire rated door of claim 5, wherein: the inside of mounting panel (11) has seted up spout (19), movable block (1303) pass through spout (19) and mounting panel (11) sliding connection.