CN217176404U

CN217176404U - Prevent fire door that flue gas passes through

Info

Publication number: CN217176404U
Application number: CN202220758494.XU
Authority: CN
Inventors: 周学中; 马洋洋; 卢书强; 马利涛
Original assignee: Handan Jinsui Door Industry Co ltd
Current assignee: Handan Jinsui Door Industry Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-12
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a prevent fire door that prevents flue gas and pass through, including preventing fire door body, prevent fire door body upper end and install smoke alarm, prevent that the crack position of fire door body installs the sealing strip, be equipped with escape mechanism on preventing fire door body, escape mechanism is including being located the mouth of fleing that is convenient for people to pass through on preventing fire door body, the department of fleing installs the emergency exits with smog separation and automatic switching, be equipped with absorption mechanism on preventing fire door body, absorption mechanism is including installing in mouth of fleing one side and can be with the absorptive smoking ware of smog. The beneficial effects of the utility model are that, through a less emergency exits, can make people flee from the escape orifice to can prevent that a large amount of smog from passing through when preventing that the door body from opening, reduce the injury that smog caused people, install the smoking ware in escape orifice one side, can absorb the smog from escape orifice process, can prevent that smog from stretching, and then guarantee people's safety.

Description

Prevent fire door that flue gas passes through

Technical Field

The utility model relates to a prevent fire door technical field, more specifically say, relate to a prevent fire door that flue gas passes through.

Background

The fireproof door is a door which can isolate flame and smoke and reduce the loss caused by fire, and is closed when encountering fire, so that the smoke can be isolated, but the fireproof door has a gap, the smoke can penetrate through the gap, and the harm to people can be caused.

In the prior art, for example, patent No. CN201820065653.1, the patent name is a fire door capable of preventing smoke from overflowing, which mainly includes that a sponge strip and a water spray pipe are arranged between a door leaf and a door frame, so that the moist sponge strip absorbs smoke overflowing through the fire door, the sealing effect of the existing fire door is enhanced, and the problem that the existing fire door is not good in sealing performance is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a fireproof door capable of preventing smoke from passing through is designed.

The technical scheme of the utility model is that the fireproof door for preventing smoke from passing comprises a fireproof door body, a smoke alarm is arranged at the upper end of the fireproof door body, a sealing strip is arranged at the door gap position of the fireproof door body, the fireproof door body is provided with a smoke alarm,

the escape mechanism comprises an escape opening which is positioned on the fireproof door body and is convenient for people to pass through, the escape opening is provided with an escape door which can block smoke and can be automatically opened and closed,

the absorbing mechanism comprises a smoke absorber which is arranged on one side of the escape opening and can absorb smoke.

Further, the emergency exits is including being located the lifter plate of the exit both sides of fleing, lifter plate one side is equipped with the direction slide, direction slide fixed mounting is on preventing the fire door body, the guide block is installed to lifter plate one side, guide block one end is stretched in the direction slide, prevent installing the live-rollers that both ends stretched and prevent the fire door body outside on the fire door body, the live-rollers is located exit one side, first gear is installed at the live-rollers both ends, lifter plate one side surface mounting has the lifting rack, first gear and lifting rack meshing, prevent installing servo motor on the fire door body, servo motor rotatory end passes through the shaft coupling and is connected with live-rollers one end, prevent that fire door body both sides are subaerial to install the pedal, weighing sensor is installed to the pedal lower extreme.

Furthermore, the two sides of the escape opening are provided with annular sealing gaskets, and the annular sealing gaskets are fixedly arranged on the fireproof door body.

Furthermore, be equipped with the protection door curtain in the escape orifice, the protection door curtain is located the rotor plate inboard, upper end and both sides surface are connected with the interior upper end and the both sides surface of escape orifice in protection door curtain upper end and the both sides surface, protection door curtain intermediate position is opened there is the through opening.

Further, a plurality of first permanent magnets are installed to protection door curtain lower extreme, the metal block is installed to the lower extreme in the escape opening, a plurality of second permanent magnets are installed to the protection door curtain position that is located the passway through mouth, the second permanent magnet position of passway through mouth both sides corresponds.

Further, the smoking device is including being located the mouth one side of fleing and the suction pump of fixed mounting on preventing fire door body, the multi-ported pipe is installed to the suction pump entrance point, multi-ported pipe entrance point fixed mounting is in the mouth one side of fleing, the multi-ported pipe is located the one side of being close to the live-rollers, prevent fire door body one side and install the purifying box, the suction pump exit end passes through blast pipe and purifying box entrance connection.

Further, suction pump one side electric connection has the start button, start button fixed mounting prevents on the fire door body, the lifter plate can press the start button after upwards moving.

The utility model has the advantages that: the escape door with the smaller size is convenient for people to escape from the escape opening, can prevent a large amount of smoke from passing through when the fireproof door body is opened, reduces the damage of the smoke to people, is provided with the smoke absorber on one side of the escape opening, can absorb the smoke passing through the escape opening, can prevent the smoke from spreading, and further ensures the safety of people,

the pedal can detect whether a person is present through the weighing sensor, and when the person comes, the lifting plate can be automatically opened through the rotation of the servo motor, so that the person can conveniently pass through the lifting plate, and the lifting plate can be automatically closed when the person does not pass through the lifting plate, so as to prevent smoke from passing through the lifting plate,

when the lifting plate is opened and people still do not walk to the escape opening, the protective door curtain can prevent smoke from passing through, when people pass through, the protective door curtain can be opened from the middle to be convenient for people to pass through, after people pass through, the protective door curtain can be closed under the action of gravity and the suction force of the magnet, thereby reducing the smoke passing through,

after the lifting plate is opened, the suction pump can be opened through the starting button, and then a small amount of smoke leaked from the escape opening can be absorbed through the suction pump, and the smoke is purified through the purifying box, so that the smoke is prevented from spreading, the safety of people is further guaranteed, after the lifting plate is closed, the suction pump can be automatically closed, and then electric energy is saved.

Drawings

Fig. 1 is a schematic structural view of a fire door for preventing smoke from passing through according to the present invention;

fig. 2 is a schematic sectional view of the fire door of the present invention for preventing smoke from passing therethrough;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is an enlarged view of a portion of FIG. 2 at D;

in the figure, 1, a fireproof door body; 2. a smoke alarm; 3. a sealing strip; 4. an escape opening; 5. an escape door; 6. a smoking device; 7. a lifting plate; 8. a guide slide way; 9. a guide block; 10. a rotating roller; 11. a first gear; 12. a lifting rack; 13. a servo motor; 14. treading a pedal; 15. a weighing sensor; 16. an annular seal; 17. a protective door curtain; 18. a through port; 19. a first permanent magnet; 20. a metal block; 21. a second permanent magnet; 22. a suction pump; 23. a multi-pass tube; 24. a purification box; 25. an exhaust pipe; 26. the button is actuated.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a fireproof door capable of preventing smoke from passing through as shown in figures 1-6, which comprises a fireproof door body 1, a smoke alarm 2 is arranged at the upper end of the fireproof door body 1, a sealing strip 3 is arranged at the position of the door gap of the fireproof door body 1, an escape mechanism is arranged on the fireproof door body 1, the escape mechanism comprises an escape opening 4 which is positioned on the fireproof door body 1 and is convenient for people to pass through, an escape door 5 which can separate smoke and can be automatically opened and closed is arranged at the escape opening 4, an absorption mechanism is arranged on the fireproof door body 1, the absorption mechanism comprises a smoke absorber 6 which is arranged at one side of the escape opening 4 and can absorb smoke,

the device prevents the smoke from passing through the process as follows: under normal state, the fireproof door body 1 is in a closed state, when a fire disaster occurs, the smoke alarm 2 gives an alarm, the fireproof door body 1 is closed and cannot be opened, the sealing strip 3 can prevent smoke from passing through a door gap, the escape door 5 is in a closed state, the smoke cannot pass through, when a person comes, the escape door 5 is opened and leaves the fireproof door body 1 through the escape opening 4, after the escape door 5 is opened, the smoke absorber 6 is started to absorb a small amount of smoke leaked from the escape opening 4, the smoke can be prevented from spreading, after the person passes through, the escape door 5 is closed, the smoke can be prevented from spreading,

referring to the attached drawings 1, the attached drawings 2, the attached drawings 3 and the attached drawings 4 of the specification of the specification,

the automatic opening and closing process of the escape door 5 is as follows: after the smoke alarm 2 gives an alarm, the servo motor 13 and the weighing sensor 15 can be started under the control of the external controller, when people walk onto the pedal 14, the arrival of people can be detected through the weighing sensor 15, the servo motor 13 is further started to rotate forwards, the servo motor 13 can drive the rotating roller 10 to rotate through the coupler, the first gear 11 is enabled to rotate, the first gear 11 is meshed with the lifting rack 12 and can drive the lifting rack 12 to move upwards and drive the lifting plate 7 to move upwards, the guide block 9 and the guide slideway 8 can ensure the moving direction of the lifting plate 7, after the lifting plate 7 moves above the escape opening 4, the escape opening 4 can be opened, the servo motor 13 is closed, the people can pass through the escape opening, when the weighing sensor 15 detects that no people are on the pedal 14 after the people pass through the escape opening, the servo motor 13 is started to rotate backwards, the servo motor 13 can drive the rotating roller 10 to rotate through the coupler, and the first gear 11 is rotated, the first gear 11 is meshed with the lifting rack 12, the lifting rack 12 is driven to move downwards, the lifting plate 7 is driven to move downwards, the escape opening 4 is blocked, then the servo motor 13 is turned off, the smoke is prevented from spreading,

referring to the attached figure 1, the attached figure 2, the attached figure 3 and the attached figure 4 in the specification, the annular sealing gaskets 16 are arranged on two sides of the escape opening 4, the annular sealing gaskets 16 are fixedly arranged on the fireproof door body 1,

the process of sealing the escape opening 4 by the annular sealing gasket 16 is as follows: after the lifting plate 7 moves to the lowest part, one side surface of the lifting plate 7 can be contacted with the annular sealing gasket 16, so that the escape opening 4 can be covered, smoke can be prevented from passing through a gap between the lifting plate 7 and the escape opening 4,

referring to the attached figure 1 of the specification, a protective door curtain 17 is arranged in the escape opening 4, the protective door curtain 17 is positioned at the inner side of the rotating plate 10, the upper end and two side surfaces of the protective door curtain 17 are connected with the inner upper end and two side surfaces of the escape opening 4, a through opening 18 is arranged in the middle of the protective door curtain 17,

the process of the protective door curtain 17 for facilitating the passage of people is as follows: when the lifting plate 7 is opened and people do not pass by, the protective door curtain 17 can prevent smoke from passing through, when people need to pass through, the protective door curtain can pass through the passing opening 18, so that people can pass through the protective door curtain conveniently, the spread of the smoke is reduced,

referring to the attached

drawings

1, 2 and 5 in the specification, the lower end of the protective door curtain 17 is provided with a plurality of first permanent magnets 19, the lower end in the escape opening 4 is provided with a metal block 20, the protective door curtain 17 is provided with a plurality of second permanent magnets 21 at the position of the through opening 18, the positions of the second permanent magnets 21 at the two sides of the through opening 18 correspond,

the automatic closing process of the protective door curtain 17 is as follows: when people pass by, the first permanent magnet 19 and the metal block 20 can be disconnected, the second permanent magnets 21 at the two sides of the passing opening 18 can be disconnected, so that people can pass through the passing opening 18 conveniently, after the people pass by, the protective door curtain 17 can return to the original position under the action of gravity, and is attracted together by the magnetic force of the first permanent magnet 19 and the metal block 20, the second permanent magnets 21 at the two sides of the passing opening 18 can also be attracted together, so that the passing opening 18 can be sealed to prevent smoke from spreading,

referring to the attached drawings 1, 2 and 3 of the specification, the smoke sucker 6 comprises a suction pump 22 which is positioned at one side of the escape opening 4 and is fixedly arranged on the fireproof door body 1, a multi-way pipe 23 is arranged at the inlet end of the suction pump 22, the inlet end of the multi-way pipe 23 is fixedly arranged at one side of the escape opening 4, the multi-way pipe 23 is positioned at one side close to the rotating roller 10, a purifying box 24 is arranged at one side of the fireproof door body 1, the outlet end of the suction pump 22 is connected with the inlet end of the purifying box 24 through an exhaust pipe 25,

the process of the smoking device 6 absorbing the smoke is as follows: after the lifting plate 7 is lifted, the suction pump 22 is turned on, the suction pump 22 can suck the smoke leaked from the escape opening 4 through the multi-way pipe 23 and discharge the smoke into the purification box 24 through the exhaust pipe 25, and purify the smoke,

referring to fig. 1 of the specification, a start button 26 is electrically connected to one side of the suction pump 22, the start button 26 is fixedly installed on the fire door body 1, the start button 26 can be pressed down after the lifting plate 7 moves upward,

the process of the lifting plate 7 for opening and closing the suction pump 22 is as follows: after the lifting plate 7 moves to the uppermost end, the lifting plate 7 can be enabled to press the start button 26, the start button 26 can start the suction pump 26 to operate and suck air, and when the lifting plate 7 moves downwards, the start button 26 can automatically return to the original position and turn off the suction pump 22.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A fireproof door capable of preventing smoke from passing comprises a fireproof door body (1), wherein a smoke alarm (2) is installed at the upper end of the fireproof door body (1), a sealing strip (3) is installed at the position of a door gap of the fireproof door body (1), and the fireproof door is characterized in that the fireproof door body (1) is provided with a smoke alarm,

the escape mechanism comprises an escape opening (4) which is positioned on the fireproof door body (1) and is convenient for people to pass through, an escape door (5) which can block smoke and can be automatically opened and closed is arranged at the escape opening (4),

the absorbing mechanism comprises a smoking device (6) which is arranged on one side of the escape opening (4) and can absorb smoke.

2. The fire door capable of preventing smoke from passing through according to claim 1, wherein the escape door (5) comprises lifting plates (7) positioned at two sides of an escape opening (4), a guide slideway (8) is arranged at one side of each lifting plate (7), the guide slideway (8) is fixedly installed on the fire door body (1), a guide block (9) is installed at one side of each lifting plate (7), one end of each guide block (9) extends into the guide slideway (8), a rotating roller (10) with two ends extending to the outer side of the fire door body (1) is installed on the fire door body (1), the rotating roller (10) is positioned at one side of the escape opening (4), first gears (11) are installed at two ends of each rotating roller (10), a lifting rack (12) is installed on the surface of one side of each lifting plate (7), the first gears (11) are meshed with the lifting racks (12), install servo motor (13) on preventing fire door body (1), servo motor (13) rotation end passes through the shaft coupling and is connected with live-rollers (10) one end, prevent fire door body (1) both sides subaerial pedal (14) of installing, weighing sensor (15) are installed to pedal (14) lower extreme.

3. The fire door for preventing the passage of smoke according to claim 2, characterised in that the escape opening (4) is provided with annular gaskets (16) on both sides, said annular gaskets (16) being fixedly mounted on the fire door body (1).

4. The fire door for preventing smoke from passing through as claimed in claim 3, wherein a protective curtain (17) is provided in said escape opening (4), said protective curtain (17) is located inside said rotating roller (10), the upper end and both side surfaces of said protective curtain (17) are connected to the inner upper end and both side surfaces of said escape opening (4), and a passing opening (18) is opened at the middle position of said protective curtain (17).

5. The fire door capable of preventing smoke from passing through as claimed in claim 4, wherein a plurality of first permanent magnets (19) are installed at the lower end of the protective door curtain (17), a metal block (20) is installed at the inner lower end of the escape opening (4), a plurality of second permanent magnets (21) are installed at the positions of the protective door curtain (17) at the passing opening (18), and the positions of the second permanent magnets (21) at the two sides of the passing opening (18) correspond to each other.

6. The fire door capable of preventing smoke from passing through as claimed in claim 2, wherein the smoke sucker (6) comprises a suction pump (22) which is located on one side of the escape opening (4) and is fixedly installed on the fire door body (1), a multi-way pipe (23) is installed at the inlet end of the suction pump (22), the inlet end of the multi-way pipe (23) is fixedly installed on one side of the escape opening (4), the multi-way pipe (23) is located on one side close to the rotating roller (10), a purifying box (24) is installed on one side of the fire door body (1), and the outlet end of the suction pump (22) is connected with the inlet end of the purifying box (24) through an exhaust pipe (25).

7. The fire door of claim 6, wherein the suction pump (22) is electrically connected to an activation button (26), the activation button (26) is fixedly mounted on the fire door body (1), and the lifting plate (7) can press the activation button (26) after moving upward.