CN213838420U

CN213838420U - Prevent fire door that smog got into

Info

Publication number: CN213838420U
Application number: CN202022216384.4U
Authority: CN
Inventors: 骆浙兵; 骆柯羽; 吕玉雅; 黄财云
Original assignee: Hangzhou Huabo Fire Fighting Equipment Co ltd
Current assignee: Hangzhou Huabo Fire Fighting Equipment Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-30
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a prevent fire door that smog got into, it includes the door frame, rotate the door body of connection on the door frame, be provided with the holding chamber in the door body, door body upside, the downside all opens the opening that feeds through in the holding chamber on keeping away from a body axis of rotation side end face, be equipped with actuating mechanism in the holding chamber, actuating mechanism is connected with two first sealed units, two first sealed units sliding connection respectively is in the opening of door body top and the opening of door body below, actuating mechanism is connected with a second sealed unit, second sealed unit sliding connection is in the opening that a body axis of rotation one side was kept away from to the door body. During operation, two first sealed units of actuating mechanism drive are supported tight door frame upside and downside respectively, and actuating mechanism drive second sealed unit supports tight door frame simultaneously and keeps away from a body axis of rotation one side, carries out the shutoff to the gap between door frame and the door, and poisonous dense smoke when effectively keeping apart the conflagration guarantees indoor personnel's safety before the fire fighter comes to the greatest extent.

Description

Prevent fire door that smog got into

Technical Field

The application relates to the field of household building materials, in particular to a fireproof door.

Background

The poisonous dense smoke generated by fire can suffocate when a mouth is inhaled, and data shows that people in fire disaster with over eight ingredients are choked by smoke (poisonous gas), and when the high molecular polymer, the foam decorative material and the plastic product are burnt, a large amount of highly toxic substances such as carbon monoxide, carbon dioxide, sulfur dioxide, cyanide and the like can be generated.

Now, for the installation pleasing to the eye and the ground of being convenient for is cleaned, in the current domestic suit door, the door frame only wraps up the upper end in gate usually and controls both ends, and can leave certain distance between door and door frame and the door and the ground usually, both can avoid contacting with door frame and ground around the door and hinder the switch of door like this, again accessible this distance gives indoor certain circulation air.

In view of the above-mentioned related art, the inventor believes that when an accidental fire accident occurs outdoors, the burnt smoke rapidly enters the room from the distant location, and poses a threat to the life safety of residents in a very short time.

SUMMERY OF THE UTILITY MODEL

In order to effectively keep apart poisonous dense cigarette when conflagration, this application provides a prevent fire door of smog entering.

The application provides a prevent fire door that smog got into adopts following technical scheme:

the utility model provides a prevent fire door that smog got into, includes the door frame, rotates the door body of connection on the door frame, be provided with the holding chamber in the door body, all open the opening that communicates in the holding chamber on door body upside, downside and the right side terminal surface, the door body includes two respectively sliding connection in the first sealed unit of door body top opening and door body below opening, sliding connection in the second sealed unit of door body right opening, be equipped with in the holding chamber and be used for driving the gliding actuating mechanism of first sealed unit and second sealed unit.

Through adopting above-mentioned technical scheme, actuating mechanism drives two first sealed units and supports tight door frame upside and downside respectively, and actuating mechanism drives the right side that the second sealed unit supported tight door frame simultaneously, carries out the shutoff to the gap between door frame and the door, and poisonous dense smoke when effectively keeping apart the conflagration guarantees indoor personnel's safety before the fire fighter comes to the greatest extent.

Optionally, the first sealing unit includes a sealing plate main body, a sealing compensation plate slidably connected to one end of the sealing plate main body, which is far away from the rotating axis of the door body, and a spring connected between the sealing compensation plate and the sealing plate main body, and after the first sealing unit slides out of the opening, the sealing compensation plate is abutted against the door frame under the action of the spring.

Through adopting above-mentioned technical scheme, after first sealed unit followed the opening roll-off, under the elastic force effect of spring, the closing plate main part was kept away from to sealed compensating plate, carries out the shutoff to the clearance between closing plate main part and the door frame, prevents that poisonous dense smoke from getting into.

Optionally, a section of cavity is formed in the upper end of one side, away from the rotating axis of the door body, of the sealing plate main body, a protruding sliding rail is arranged on the bottom surface in the cavity, a sliding groove matched with the sliding rail is arranged on the lower bottom surface of the sealing compensation plate, and the sealing compensation plate is connected to the sliding rail in the cavity of the sealing plate main body in a sliding mode through the sliding groove.

Through adopting above-mentioned technical scheme, through the cooperation of spout and slide rail for the gliding more smooth and easy in the cavity of closing plate main part of sealed compensation version.

Optionally, the door frame includes sealing members fixedly installed at upper and lower ends of one side far away from the rotation axis of the door body, and the sealing compensation plate is slidably connected in the sealing members.

Through adopting above-mentioned technical scheme, because sealed compensating plate sliding connection is in closing plate main part, so sealed compensating plate height is less than closing plate main part height, will cause to seal to form the clearance between compensating plate and the door frame certainly, so will seal the compensating plate cover and locate in the sealing member, avoid smog to get into from the clearance.

Optionally, an avoiding groove penetrating in the length direction of the sealing element is formed in one side, close to the indoor, of the sealing element, and a groove is formed in the side, close to the indoor, of the sealing compensation plate.

Through adopting above-mentioned technical scheme, through sealed compensation plate upper groove pulling sealed compensation plate return to in the closing plate main part, start drive arrangement withdraws first sealed unit.

Optionally, the second sealing unit includes a baffle plate, and the baffle plate abuts against the sealing member and the door frame after sliding out of the opening.

Through adopting above-mentioned technical scheme, the baffle completely cuts off dense cigarette, prevents that dense cigarette from getting into from the gap on door frame and door body right side.

Optionally, the driving mechanism includes a central gear, three driven gears externally engaged with the central gear, and a connecting rod eccentrically and rotatably connected to the driven gears, the connecting rod is rotatably connected to the sealing plate main body and the baffle plate respectively, the central gear is rotatably connected to the accommodating cavity, a rotating shaft is fixedly connected to the center of the central gear, and the rotating shaft penetrates through the door body close to one indoor side.

Through adopting above-mentioned technical scheme, rotate the pivot, sun gear drives three driven gear and rotates, and driven gear drives the connecting rod motion, and the connecting rod promotes closing plate main part and baffle and slides in the opening, and after the connecting rod moved extreme position, closing plate main part and baffle roll-off opening supported tightly in the door frame.

The central gear center fixedly connected with pivot, the pivot passes and is close to indoor door body, be connected with the carousel in the pivot.

Through adopting above-mentioned technical scheme, through opening and sealing of the first sealed unit of rotation carousel control and second sealed unit, it is simple and convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two first sealing units are respectively abutted against the upper side and the lower side of the door frame, the second sealing unit is abutted against the right side of the door frame, and a gap between the door frame and the door is plugged, so that toxic and dense smoke in a fire disaster is effectively isolated, and the safety of indoor personnel is ensured as far as possible before a fireman comes;

2. after first sealing unit followed the opening roll-off, under the elasticity effect of spring, the closing plate main part was kept away from to sealed compensating plate, carries out the shutoff to the clearance between closing plate main part and the door frame, prevents that poisonous dense smoke from getting into.

Drawings

Figure 1 is a schematic front view of a fire rated door configured to prevent the ingress of smoke in accordance with an embodiment of the present application.

Figure 2 is a cross-sectional view of a fire rated door that prevents the ingress of smoke.

Fig. 3 is a schematic structural view of the door frame.

Fig. 4 is a schematic view of the driving mechanism.

Figure 5 is a rear view of a fire rated door configured to prevent the ingress of smoke.

Fig. 6 is an enlarged view of a in fig. 4.

Description of reference numerals: 1. a door frame; 11. a hinge; 12. a seal member; 121. an avoidance groove; 122. a telescopic groove; 2. a door body; 21. a first sealing unit; 211. a sealing plate main body; 2111. a cavity; 2112. a slide rail; 212. sealing the compensation plate; 2121. a groove; 2122. a chute; 213. a spring; 22. a baffle plate; 23. an accommodating cavity; 24. an opening; 3. a drive mechanism; 31. a connecting rod; 32. a driven gear; 33. a sun gear; 4. a turntable.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses prevent fire door of smog entering. Referring to fig. 1 and 2, a fire door for preventing smoke from entering includes a door frame 1, and a door body 2 is rotatably connected to the door frame 1 by a hinge 11. The door body 2 is internally provided with an accommodating cavity 23, the upper side and the lower side of the door body 2 and the end surface far away from the rotating axis of the door body 2 are respectively provided with an opening 24 communicated with the accommodating cavity 23, and the accommodating cavity 23 is fixedly connected with a driving mechanism 3. The driving mechanism 3 is respectively connected with two first sealing units 21 and a second sealing unit, the two first sealing units 21 respectively slide in the openings 24 on the upper side and the lower side of the door body 2, the second sealing unit comprises a baffle plate 22, and the baffle plate 22 is slidably connected in the opening 24 on one side of the door body 2 far away from the rotating axis of the door body 2.

The during operation, the clearance between the first sealing unit 21 of actuating mechanism 3 drive one of them is sealed the door body 2 and the clearance between 1 upside of door frame, and another first sealing unit 21 is sealed the clearance between the door body 2 and the 1 downside of door frame, and the second sealing unit is sealed the clearance between 2 axis of rotation one side of keeping away from the door body and the door frame 1 to the door body 2, effectively keeps apart the poisonous dense smoke when conflagration, guarantees indoor personnel's safety before the fire fighter comes to the greatest extent.

Referring to fig. 4 and 6, the first sealing unit 21 includes a sealing compensation plate 211, a cavity 2111 is formed at one end of the sealing plate main body 211 away from the rotation axis of the door body 2, a raised sliding rail 2112 is arranged at the bottom of the cavity 2111, a sliding groove 2122 matched with the sliding rail 2112 is arranged on the lower bottom surface of the sealing compensation plate 212, and the sealing compensation plate 211 is slidably connected to the sliding rail 2112 in the sealing plate main body 211 through the sliding groove 2122. One end of the seal compensation plate 212 close to the rotation axis of the door body 2 is fixedly connected with a spring 213, and the other end of the spring 213 is fixedly connected with one end of the cavity 2111 close to the rotation axis of the door body 2.

Referring to fig. 1 and 3, the door frame 1 includes a sealing member 12 fixedly installed at an upper end and a lower end of a side far from a rotation axis of the door body 2, the sealing member 12 is made of a fireproof rubber material, an end of the sealing member 12 facing the seal compensation plate 212 is provided with a telescopic groove 122, and when the first sealing unit 21 slides out of the opening 24, the sealing member slides into the telescopic groove 122 of the sealing member 12.

When the door frame works, the driving mechanism 3 is started, the first sealing unit 21 slides in the upper end opening 24 and the lower end opening 24 of the door body 2, when the first sealing unit 21 moves to the limit position, the first sealing unit is separated from the opening 24, the sealing compensation plate 212 is far away from the sealing plate main body 211 and slides out of the cavity 2111 under the action of the elastic force of the spring 213, and the sealing compensation plate 212 is inserted into the telescopic groove 122 of the sealing piece 12 to prevent toxic dense smoke from entering from the upper right corner and the lower right corner of the door frame 1.

Referring to fig. 1 and 2, an evacuation groove 121 penetrating through the sealing member 12 in the longitudinal direction is formed on the indoor side surface of the sealing member 12, a groove 2121 is formed on the indoor side surface of the seal compensation plate 212, and the groove 2121 coincides with the evacuation groove 121. After the fire is over, because of the through-type escape groove 121, the sealing compensation plate 212 is pushed by the groove 2121 of the sealing compensation plate 212 to be returned to the sealing plate main body 211 against the elastic force of the spring 213, and then the driving mechanism 3 is activated to retract the first sealing unit 21.

Referring to fig. 2 and 4, the driving mechanism 3 includes a central gear 33, two sides of the center of the central gear are provided with rotating shafts, one side of the accommodating cavity 23 close to the outdoor is provided with a non-through round hole, one side of the accommodating cavity 23 close to the indoor is provided with a through round hole, the central gear 33 is rotatably connected in the two round holes, the rotating shafts penetrate through the side wall of the accommodating cavity 23 close to the indoor side, the rotating shafts are connected with a rotating disc 4, and the rotating disc 4 is located on the outer side of the door body 2. Three driven gears 32 are meshed outside the central gear 33, the driven gears 32 are rotatably connected in the accommodating cavity 23, rotating shafts are fixedly connected to two sides of the circle center of each driven gear 32, non-penetrating circular holes are formed in two sides of the accommodating cavity 23, the driven gears 32 are rotatably connected in the circular holes, connecting rods 31 are rotatably connected to eccentric positions of the driven gears 32, and the connecting rods 31 are respectively rotatably connected to the sealing plate main body 211 and the baffle 22.

During operation, after a fire disaster occurs, the turntable 4 rotates indoors, the central gear 33 drives the three driven gears 32 to rotate, the driven gears 32 drive the connecting rods 31 to move, and the connecting rods 31 push the sealing plate main body 211 and the baffle plate 22 to slide out of the opening 24, so that gaps between the door body 2 and the door frame 1 are sealed.

The whole working process is as follows: when a fire occurs, the rotation disk 4 is immediately rotated, the sealing plate body 211 and the barrier slide out of the opening 24, and when the sealing plate body 211 slides out of the opening 24, the seal compensating plate 212 is rapidly ejected from the cavity 2112 of the sealing plate body 211 and inserted into the sealing member 12. The first closing unit 21 and the shutter 22 seal a gap between the doorframe 1 and the door body 2.

When the fire is completed, the sealing compensation plate 212 is pulled back into the sealing plate body 211 by applying a force to the groove 2121 of the sealing compensation plate 212, and the driving mechanism 3 is actuated to retract the first and

second sealing units

21 and 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a prevent fire door of smog entering, includes door frame (1), the door body (2) of rotation connection on door frame (1), its characterized in that: the door body (2) is internally provided with a containing cavity (23), openings (24) communicated with the containing cavity (23) are formed in the upper side, the lower side and the right side end face of the door body (2), the door body (2) comprises a first sealing unit (21) and a second sealing unit, the first sealing unit and the second sealing unit are connected with the first sealing unit and the second sealing unit in the openings (24) in the upper side and the lower side of the door body (2) respectively in a sliding mode, and a driving mechanism (3) used for driving the first sealing unit (21) and the second sealing unit to slide is arranged in the containing cavity (23).

2. A smoke ingress protection fire rated door as claimed in claim 1, wherein: the first sealing unit (21) comprises a sealing plate main body (211), a sealing compensation plate (212) which is connected to one end, far away from the rotating axis of the door body (2), of the sealing plate main body (211) and a spring (213) which is connected between the sealing compensation plate (212) and the sealing plate main body (211), and after the first sealing unit (21) slides out of the opening (24), the sealing compensation plate (212) is abutted to the door frame (1) under the action of the spring (213).

3. A smoke ingress protected fire rated door as claimed in claim 2, wherein: the sealing plate is characterized in that a section of cavity (2111) is formed in the upper end of one side, away from the rotating axis of the door body (2), of the sealing plate main body (211), a raised sliding rail (2112) is arranged on the inner bottom surface of the cavity (2111), a sliding groove (2122) matched with the sliding rail (2112) is formed in the lower bottom surface of the sealing compensation plate (212), and the sealing compensation plate (212) is connected to the sliding rail (2112) in the cavity (2111) of the sealing plate main body (211) in a sliding mode through the sliding groove (2122).

4. A smoke ingress protected fire rated door as claimed in claim 2, wherein: the door frame (1) comprises sealing parts (12) fixedly installed at the upper end and the lower end of one side far away from the rotating axis of the door body (2), and the sealing compensation plate (212) is connected in the sealing parts (12) in a sliding mode.

5. A fire rated door as claimed in claim 4, wherein: one side of the sealing element (12) close to the indoor is provided with an avoiding groove (121) which penetrates through the length direction of the sealing element (12), and the side of the sealing compensation plate (212) close to the indoor is provided with a groove (2121).

6. A smoke ingress protection fire rated door as claimed in claim 1, wherein: the second sealing unit comprises a baffle plate (22), and the baffle plate (22) abuts against the sealing element (12) and the door frame (1) after sliding out of the opening (24).

7. A smoke ingress protection fire rated door as claimed in claim 1, wherein: the driving mechanism (3) comprises a central gear (33), three driven gears (32) externally meshed with the central gear (33), and a connecting rod (31) eccentrically and rotatably connected to the driven gears (32), the connecting rod (31) is respectively and rotatably connected to the sealing plate main body (211) and the baffle (22), the central gear (33) is rotatably connected to the accommodating cavity (23), a rotating shaft is fixedly connected to the center of the central gear (33), and the rotating shaft penetrates through the door body (2) close to one side of the indoor space.

8. A fire rated door as claimed in claim 7, wherein: the rotating shaft is fixedly connected with a rotating disc (4) used for driving the rotating shaft to rotate.