CN215332502U

CN215332502U - Fire-proof door

Info

Publication number: CN215332502U
Application number: CN202121827139.5U
Authority: CN
Inventors: 杨宜林; 盛井军; 王伟
Original assignee: Zhengzhou Shenyu Fireproof Products Co ltd
Current assignee: Zhengzhou Shenyu Fireproof Products Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-28
Anticipated expiration: 2031-08-05

Abstract

The application relates to the technical field of fire-fighting engineering, in particular to a fireproof door, which comprises a door frame and a door body connected with the door frame; the door body comprises a heat insulation plate; the heat insulation plate is provided with a storage groove, and a flame-retardant sealing plate is arranged in the storage groove; the heat insulation plate is provided with a pushing assembly, and the pushing assembly pushes the flame-retardant sealing plate to slide towards the outside of the storage groove and then to be abutted against the door frame or the ground. This application has and produces the effect that the flue gas effectively blockked in the conflagration.

Description

Fire-proof door

Technical Field

The application relates to the technical field of fire engineering, in particular to a fireproof door.

Background

A fire door, which is the most effective weapon for dealing with a fire in a building except a hydrant, is often used as a fire passage door for a mall, an office floor, and the like. Along with the improvement of people's fire protection consciousness, more and more places can choose to use fire door.

The utility model discloses a grant publication number is CN 207999198U's utility model discloses a prevent fire door, should prevent fire door and include that door frame and cooperation set up the fire door that fills of door frame, through being equipped with two appearance chambeies that are used for filling water at least in filling the fire door, utilize the water that holds in the chamber to come for preventing the fire door cooling, increase the fire-resistant time who prevents fire door.

In view of the above-mentioned related technologies, the inventor believes that there is a certain gap between the fireproof door and the door frame in the related technologies, and the gap cannot effectively block the diffusion of smoke generated by a fire.

SUMMERY OF THE UTILITY MODEL

In order to promote the effect that effectively blocks the flue gas that produces in the conflagration, this application provides a prevent fire door.

The application provides a prevent fire door adopts following technical scheme:

a fireproof door comprises a door frame and a door body connected with the door frame; the door body comprises a heat insulation plate; the heat insulation plate is provided with a storage groove, and a flame-retardant sealing plate is arranged in the storage groove; the heat insulation plate is provided with a pushing assembly, and the pushing assembly pushes the flame-retardant sealing plate to slide towards the outside of the storage groove and then to be abutted against the door frame or the ground.

Through adopting above-mentioned technical scheme, can outwards push the one end of the fire-retardant closing plate in the storage tank through promoting the subassembly, when fire-retardant closing plate one end offseted with the door frame, accomplish the filling to the gap between the door frame and the door body, when fire-retardant closing plate one end offseted with ground, accomplish the filling to the gap between the ground and the door body, produced the flue gas in the conflagration and blockked effectively.

Optionally, the pushing assembly comprises a gear, a rack engaged with the gear and a driving rod, a gear cavity and a rack cavity communicated with the gear cavity are formed in the heat insulation plate, the gear is installed in the gear cavity, the rack is installed in the rack cavity, one end, far away from the gear, of the rack is fixed to the flame-retardant sealing plate, the driving rod is fixedly connected with the gear and penetrates through the storage groove to extend out of the door body, and the driving rod is rotatably connected with the heat insulation plate.

Through adopting above-mentioned technical scheme, through rotating the actuating lever, pivoted actuating lever drives gear revolve, and the rotation of gear drives the rack and removes, and the rack that removes promotes fire-retardant closing plate and removes, and the one end of the fire-retardant closing plate that removes can be close to door frame or ground, can fill the gap between the door body and door frame, the door body and ground, has realized the adjustment to fire-retardant closing plate position, accomplishes blockking to producing the flue gas in the conflagration.

Optionally, a sliding block is integrally arranged on one side of the rack, which is deviated from the side meshed with the gear; the side wall of the rack cavity matched with the sliding block is provided with a sliding groove, the sliding block is arranged in the sliding groove, and the sliding block slides along the sliding groove.

Through adopting above-mentioned technical scheme, through setting up and rack integrated into one piece's slider, seted up the spout on rack chamber and slider complex lateral wall, realized rack gliding stability and smoothness nature in the rack chamber, when the rack promoted fire-retardant closing plate, fire-retardant closing plate can be pushed out and withdraw from the storage tank steadily to the stability of device has been improved.

Optionally, one end of the driving rod extending out of the door body is fixedly connected with a wheel disc.

Through adopting above-mentioned technical scheme, be provided with the rim plate through the one end of keeping away from the gear at the actuating lever, utilize the rim plate to rotate the actuating lever, increased the power arm when rotating the actuating lever, utilize the lever theorem, can save user's physical power, provide the convenience for the work of fleing.

Optionally, the storage grooves are formed in the upper end, the lower end, the left side and the right side of the heat insulation plate, and the flame-retardant sealing plates are mounted in the storage grooves.

Through adopting above-mentioned technical scheme, through the fire-retardant closing plate one end with heat insulating board upper end and left and right sides respectively with the upper end and the left and right sides counterbalance of door frame, can fill the gap between door frame and the door body, through promoting the fire-retardant closing plate of heat insulating board lower extreme, can fill the gap between ground and the door body, realized stopping to the flue gas is diversified.

Optionally, the door frame and the door body are matched with each other, and an inserting plate groove is formed in the surface, where the door frame and the door body are matched with each other, and the inserting plate groove and the storage groove are correspondingly arranged.

Through adopting above-mentioned technical scheme, through offering the picture peg groove of mutually supporting with the storage tank at the door frame, after the fire-retardant closing plate of storage tank was released, the one end of fire-retardant closing plate can enter into the picture peg inslot of door frame, has improved the leakproofness of being connected between door frame and the door body, further improves blockking to producing the flue gas in the conflagration.

Optionally, the pushing assemblies are provided with multiple groups, and the pushing assemblies correspond to the flame-retardant sealing plates one to one.

Through adopting above-mentioned technical scheme, through setting up the multiunit and promoting the subassembly, can promote respectively to the fire-retardant closing plate rather than corresponding, can adjust the distance that promotes the displacement of fire-retardant closing plate more accurately, and then make the fire-retardant closing plate ability and the door body counterbalance of both ends about the heat insulating board upper end for the fire-retardant closing plate of heat insulating board lower extreme can counterbalance with ground.

Optionally, the pushing assembly comprises a gear, a driving rod for driving the gear to rotate, and a plurality of racks, a gear cavity and a plurality of rack cavities are formed in the heat insulation plate, the gear is installed in the gear cavity, the racks are installed in the rack cavities, the driving rod extends out of the door body, and the racks are all meshed with the gear.

Through adopting above-mentioned technical scheme, through setting up a plurality of racks, after rotating the actuating lever, pivoted gear drives a plurality of racks and removes simultaneously for the fire-retardant closing plate corresponding with a plurality of racks is released simultaneously, accomplishes blockking of production flue gas in the conflagration, and has improved the convenience of operation, has saved the time of user's operation.

The beneficial effect that this application realized: 1. the fire-retardant sealing plate is pushed to a storage groove (the fire-retardant sealing plate is abutted to a door frame or the ground after sliding outwards, so that smoke generated in a fire disaster is blocked, 2, a gear is driven by rotating a driving rod and drives a rack to push the fire-retardant sealing plate in the heat insulation plate out, so that the position of the fire-retardant sealing plate is adjusted, 3, the stability and the flow property of pushing the fire-retardant sealing plate out are improved by arranging a sliding block which is integrally formed with the rack, 4, the physical force of a user can be saved by arranging a wheel disc at one end of the driving rod, which is far away from the gear, and convenience is provided for escape work.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Fig. 3 is a schematic structural view of the thermal insulation plate in embodiment 1 of the present application.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic view of the overall structure of embodiment 2 of the present application.

FIG. 6 is a schematic view showing the structure of the connection between the pusher assembly and the flame-retardant sealing plate according to example 2 of the present application.

Fig. 7 is an enlarged schematic view of a portion B in fig. 6.

Description of reference numerals: 1. a door frame; 11. a board inserting groove; 2. a door body; 21. a fire-proof plate; 211. a first glass tank; 22. a heat insulation plate; 221. a gear cavity; 222. a rack cavity 2221 and a sliding chute; 223. a drive rod bore; 224. a storage tank; 225. a second glass tank; 23. transparent fire-proof glass; 3. a pushing assembly; 31. a drive rod; 32. a gear; 33. a rack; 34. a slider; 35. a wheel disc; 4. a flame retardant seal plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Example 1

The embodiment of the application discloses a fireproof door, refer to fig. 1, this fireproof door includes door frame 1 and the door body 2 of installing the realization on door frame 1 and opening and shutting, and in this embodiment, door frame 1 sets up to steel material, during the installation with door frame 1 embedding in corridor wall body, the emergent passageway of fire control has just been constituteed with stair to the door body 2 that can open and shut.

Referring to fig. 1 and 2, the door body 2 includes a fireproof plate 21 and an insulation board 22, the fireproof plate 21 and the insulation board 22 have the same width and height, and the fireproof plate 21 and the insulation board 22 are closely attached to each other, in this embodiment, the fireproof plate 21 is a cold-rolled steel plate, and the insulation board 22 is an aluminized polyimide plate; the PLASTIC LAMINATED 21 installs in the one side of easily taking place the conflagration, and the PLASTIC LAMINATED 21 can be isolated to the flame source in a certain time to prevent stretching of intensity of a fire, insulating board 22 can carry out isolated to a certain extent to the high temperature of conflagration department.

Referring to fig. 1 and 2, a first glass groove 211 is formed in the fireproof plate 21, a second glass groove 225 is formed in the heat insulation plate 22, the first glass groove 211 and the second glass groove 225 have the same height from the ground, the first glass groove 211 and the second glass groove 225 are matched with each other to form an observation window, and the transparent fireproof glass 23 is tightly embedded in the observation window. After a fire occurs, the fire condition can be observed through the transparent fireproof glass 23 without opening a door, so that corresponding countermeasures can be taken.

Referring to fig. 1 and 2, the left and right sides and the upper end of the door frame 1 are provided with the inserting plate grooves 11, the upper and lower ends and the left and right sides of the heat insulation plate 22 are provided with the storage grooves 223, and the inserting plate grooves 11 at each position on the door frame 1 correspond to the storage grooves 224 at each position on the heat insulation plate 22. The storage groove 224 stores the flame-retardant sealing plate 4, and in this embodiment, the flame-retardant sealing plate 4 may be made of expanded graphite material. Referring to fig. 3 and 4, the heat insulation board 22 is provided with pushing assemblies 3, and in the embodiment, in combination with fig. 1, four pushing assemblies 3 are provided, and are respectively located at the upper end, the lower end, the left end and the right end of the heat insulation board 22; when actually installing door body 2 and door frame 1, there is the clearance between door body 2 and the ground, simultaneously, there is the clearance equally between door body 2 and the door frame 1, promotion subassembly 3 through heat insulating board 22 upper end and left and right sides can push away the 4 one ends of fire-retardant closing plate that are in storage tank 224 to picture peg groove 11, the packing of interval between the door body 2 and the crack has been realized, promote fire-retardant closing plate 4 of heat insulating board 22 lower extreme through promoting subassembly 3, the realization is to the spaced packing between door body 2 and the ground, and then, can block the flue gas that the conflagration produced effectively.

In order to improve the sealing performance, the width of the inserting plate groove 11, the width of the flame-retardant sealing plate 4 and the width of the storage groove 224 are the same, one end of the flame-retardant sealing plate 4 can be moved into the inserting plate groove 11 from the storage groove 224, and at the moment, the flame-retardant sealing plate 4 is tightly attached to the storage groove 224 and the inserting plate groove 11, so that the sealing performance of connection between the door frame 1 and the door body 2 is improved.

Similarly, the fireproof plate 21 may be provided with a storage groove 224 and the door frame may be provided with a panel groove 11 corresponding to the storage groove 224, depending on the actual circumstances.

Referring to fig. 3 and 4, a gear chamber 221, a rack chamber 222 communicating with the gear chamber 221, and a driving rod hole 223 communicating with the gear chamber 221 are formed on the heat insulation plate 22, and the rack chamber 222 communicates with the storage groove 224; the pushing assembly 3 comprises a driving rod 31 with one end passing through a driving rod hole 223, a gear 32 welded to one end of the driving rod 31 and a rack 33 engaged with the gear 32, wherein the gear 32 is installed in the gear cavity 221, the rack 33 is installed in the rack cavity 222, the diameter of the driving rod hole 223 is slightly larger than that of the driving rod 31, and the driving rod 31 can stably fit and pass through the storage groove 223 and can freely rotate; one end of the rack 33 is bonded with the flame-retardant sealing plate 4 stored in the storage groove 224, when the driving rod 31 is rotated, the rotating driving rod 31 drives the gear 32 to rotate, the rotating gear 32 drives the rack 33 to move, and the moving rack 33 pushes the upper end of the storage groove 224 and one ends of the flame-retardant sealing plates 4 on the left side and the right side to enter the inserting plate groove 11, so that the gap between the door body 2 and the door frame 1 is filled to a certain extent; the moving gear 32 pushes one end of the flame-retardant sealing plate 4 at the lower end of the storage groove 224 to contact with the ground, so that the gap between the door body 2 and the ground is filled to a certain extent, and the smoke generated by a fire is blocked.

Referring to fig. 4, a sliding block 34 is disposed below the rack 33, the rack 33 and the sliding block 34 are integrally formed, a sliding groove 2221 is formed in a side wall of the rack cavity 222, the sliding block 34 is disposed in the sliding groove 2221, and the sliding block 34 can freely and smoothly slide in the sliding groove 2221, so that the rack 33 can freely and smoothly slide in the rack cavity 222, and further, the flame-retardant sealing plate 4 can smoothly move along the length direction of the rack 33.

Referring to fig. 1 and 4, a wheel disc 35 is further installed at one end of the driving rod 31 far away from the gear 32, the driving rod 31 can be rotated by rotating the wheel disc 35, the flame-retardant sealing plate 4 can be rapidly pushed by rotating the upper end of the heat insulation plate 22 and the wheel discs 35 at the left side and the right side, the gap between the door body 2 and the door frame 1 is filled by the flame-retardant sealing plate 4, and the gap between the door body 2 and the ground is filled by rotating the wheel disc 35 at the lower end of the heat insulation plate 22.

Example 2

Referring to fig. 5 and 6, another embodiment of the fire door of the present application is shown, which is different from the previous embodiment in that the pushing assembly 3 is installed on the heat insulation board 22 in number of one, and the pushing assembly 3 is installed in the middle of the heat insulation board 22; referring to fig. 7, the gear 32 is provided with four racks 33 along the tangential direction of the circumference, and two adjacent racks 33 are perpendicular to each other, after the driving rod 31 is rotated, the rotating driving rod 31 drives the gear 32 to rotate, the rotating gear 32 simultaneously pushes the four racks 33 to move, and further, the flame-retardant sealing plates 4 in the storage groove 224 are pushed out, the gap between the door frame 1 and the door body 2 can be filled up by the flame-retardant sealing plates 4 at the upper end and the left and right sides of the heat insulation plate 22, the gap between the door body 2 and the ground can be filled up by the lower end of the heat insulation plate 22, and the blocking of smoke generated by a fire disaster is realized.

Similarly, according to the actual size of the gap between the door body 2 and the ground and between the door frame 1 and the door body 2, the driving rod 32 can be welded to a plurality of sets of gears 32 with the same axis and different tooth pitches, the driving rod 31 is rotated for a circle, and the gears 32 with different tooth pitches respectively control the corresponding racks 33 to move different distances, so that the problem that the gaps between the door frame 1 and the door body 2 and between the door frame 2 and the ground are not equal is solved.

The implementation principle is as follows: the door plate is formed by sequentially attaching a fireproof plate 21 and a heat insulation plate 22, so that the fireproof and heat insulation functions of the fireproof door are realized; the rotating driving rod 31 drives the gear 32 to rotate, the rotating gear 32 drives the rack 33 to move in the gear cavity 221, and the moving rack 33 pushes a part of the flame-retardant sealing plate 4 in the storage groove 224 to enter the inserting plate groove 11, so that the door body 2 and the door frame 1 are relatively sealed, and the blocking of smoke generated by a fire disaster is completed.

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. A fireproof door comprises a door frame (1) and a door body (2) connected with the door frame (1); the method is characterized in that: the door body (2) comprises a heat insulation plate (22); a storage groove (224) is formed in the heat insulation plate (22), and a flame-retardant sealing plate (4) is arranged in the storage groove (224); the heat insulation plate (22) is provided with a pushing assembly (3), and the pushing assembly (3) pushes the flame-retardant sealing plate (4) to slide outwards from the storage groove (224) and then abut against the door frame (1) or the ground.

2. A fire rated door as claimed in claim 1, further comprising: promote subassembly (3) including gear (32), rack (33) and actuating lever (31) with gear (32) meshing, set up gear chamber (221) on heat insulating board (22) and with rack chamber (222) of gear chamber (221) intercommunication, install in gear chamber (221) gear (32), install in rack chamber (222) rack (33), the one end that gear (32) were kept away from in rack (33) is fixed with fire-retardant closing plate (4), actuating lever (31) and gear (32) fixed connection just extend door body (2), actuating lever (31) rotate with heat insulating board (22) and are connected.

3. A fire rated door as claimed in claim 2, further comprising: a sliding block (34) is integrally arranged on one side of the rack (33) departing from the side meshed with the gear (32); a sliding groove (2221) is formed in the side wall, matched with the sliding block (34), of the rack cavity (222), the sliding block (34) is arranged in the sliding groove (2221), and the sliding block (34) slides along the sliding groove (2221).

4. A fire rated door as claimed in claim 2, further comprising: and one end of the driving rod (31) extending out of the door body (2) is fixedly connected with a wheel disc (35).

5. A fire rated door as claimed in claim 1, further comprising: storage slots (224) are formed in the upper end, the lower end, the left side and the right side of the heat insulation plate (22), and flame-retardant sealing plates (4) are installed in the storage slots (224).

6. A fire rated door as claimed in claim 1, further comprising: the door frame (1) and the door body (2) are mutually matched, the surface is provided with an inserting plate groove (11), and the inserting plate groove (11) and the storage groove (224) are correspondingly arranged.

7. A fire rated door as claimed in claim 5, further comprising: the pushing assemblies (3) are provided with a plurality of groups, and the pushing assemblies (3) correspond to the flame-retardant sealing plates (4) one by one.

8. A fire rated door as claimed in claim 5, further comprising: promote subassembly (3) including gear (32), drive gear (32) pivoted actuating lever (31) and a plurality of rack (33), gear chamber (221) and a plurality of rack chamber (222) have been seted up on heat insulating board (22), install in gear chamber (221) gear (32), rack (33) are installed in rack chamber (222), actuating lever (31) extend door body (2) setting, and are a plurality of rack (33) all with gear (32) meshing.