CN218912711U - Fireproof door with good sealing and smoke isolation performance - Google Patents

Abstract

The utility model provides a fireproof door with good sealing and smoke-isolation performance, which comprises a sealing groove, sealing gaskets, movable plates, supporting frames, sliding grooves, sliding blocks, racks, gears and a switch lock assembly, wherein the gears are fixed on the rear end face of a rotary handle, the racks are meshed with the left end face and the right end face of the gears, the supporting frames are fixed on the upper end face and the lower end face of the racks, the movable plates are fixed on the upper end face and the lower end face of the supporting frames, the sliding blocks are fixed on the left side and the right side of a fireproof door body, the sliding grooves are formed in the left side and the right side of the fireproof door body, the sealing gaskets are fixed on the upper end face and the lower end face of the movable plates, the sealing grooves are formed in the upper side and the lower side of the inside of the door frame, and the switch lock assembly is arranged on the rear end face of the gears.

Description

Fireproof door with good sealing and smoke isolation performance

Technical Field

The utility model relates to a fireproof door with good sealing and smoke isolation performance, and belongs to the technical field of fireproof doors.

Background

Fire doors generally refer to fireproof doors, and fireproof doors refer to doors capable of meeting the requirements of fire resistance stability, integrity and heat insulation in a certain time, and are fireproof partitions with certain fire resistance, such as fireproof partitions, evacuation stairways, vertical shafts and the like, and besides the function of a common door, the fireproof doors have the function of preventing fire spreading and smoke spreading, and can prevent the spread of fire in a certain time and ensure personnel evacuation.

The application document of the prior Chinese utility model patent No. CN214835885U discloses a metal product fireproof door with good smoke isolation performance, which comprises a pre-positioning door frame, wherein a left fireproof door is arranged at one side position inside the pre-positioning door frame, and a right fireproof door is arranged at the other side position inside the pre-positioning door frame.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the fireproof door with good sealing and smoke isolation performance, so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a fire door that sealed smoke barrier performance is good, includes door frame, fire door body, rotatory handle, hinge structure and self-sealing mechanism, fire door body front end face is provided with rotatory handle, fire door body anchor ring outside is provided with the door frame, be provided with hinge structure between door frame and the fire door body, fire door body inside society free self-sealing mechanism, self-sealing mechanism includes seal groove, sealed pad, fly leaf, support frame, sliding tray, sliding block, rack, gear and switch lock subassembly, the gear is fixed at rotatory handle rear end face, both ends face all meshes with the rack about the gear, both ends face is fixed with the support frame about the rack, both ends face is fixed with the fly leaf about the support frame, both ends face left and right sides are fixed with the sliding block about the fly leaf, both ends face is fixed with sealed pad about the fly leaf, both ends face is provided with switch lock subassembly about the inside door frame about the sealing groove, the gear rear end face is provided with switch lock subassembly.

Further, the switch lock assembly comprises a fixed block, a first transmission rod and a limiting buckle, wherein the fixed block is fixed on the rear end face of the gear, the first transmission rod is arranged on the rear end face of the fixed block, and the first transmission rod is connected with the limiting buckle.

Further, a limit clamping groove is formed in the left side of the inside of the door frame, the specification of the limit clamping groove is matched with that of the limit buckle, and bearings are arranged between the first transmission rod and the fixing block as well as between the first transmission rod and the limit buckle.

Further, a sealing ring is arranged between the rotary handle and the fireproof door body, and a sealing strip is arranged between the fireproof door body and the door frame.

Further, the racks are meshed with the gears for transmission, two groups of racks are arranged, and the movement directions of the two groups of racks are opposite.

Further, the specification of the sliding block is matched with the specification of the sliding groove.

Further, the size of the sealing gasket is equal to that of the sealing groove, and the sealing gasket and the sealing groove are attached to each other.

The utility model has the beneficial effects that: according to the fireproof door with good sealing and smoke-isolating performances, the sealing grooves, the sealing gaskets, the movable plates, the supporting frames, the sliding grooves, the sliding blocks, the racks, the gears, the fixed blocks, the first transmission rods and the limiting buckles are added, so that gaps between the fireproof door and the door frame can be reduced, the sealing performance of the fireproof door is improved, the smoke-isolating effect can be achieved, and the problems that gaps between the original fireproof door and the door frame cannot be reduced, the sealing performance is poor, the smoke-isolating effect cannot be achieved, and people are not benefited to escape when a fire disaster occurs are solved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a front cross-sectional view of a fire door with good sealing and smoke-insulating properties according to the present utility model;

fig. 2 is a front view structural diagram of a fire door with good sealing and smoke insulation performance;

FIG. 3 is a block diagram of a switch lock assembly of the fire door with good sealing and smoke-insulating properties of the utility model;

in the figure: 1-door frame, 2-fire door body, 3-rotary handle, 4-hinge structure, 5-automatic sealing mechanism, 51-seal recess, 52-sealing pad, 53-fly leaf, 54-support frame, 55-sliding groove, 56-sliding block, 57-rack, 58-gear, 59-switch lock subassembly, 591-fixed block, 592-first transfer line, 593-spacing buckle.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a fire door that sealed smoke barrier performance is good, including door frame 1, fire door body 2, rotatory handle 3, hinge structure 4 and self-sealing mechanism 5, fire door body 2 front end face is provided with rotatory handle 3, fire door body 2 anchor ring outside is provided with door frame 1, be provided with hinge structure 4 between door frame 1 and fire door body 2, fire door body 2 inside society free self-sealing mechanism 5, self-sealing mechanism 5 includes seal groove 51, sealing gasket 52, fly leaf 53, support frame 54, sliding tray 55, sliding block 56, rack 57, gear 58 and switch lock assembly 59, gear 58 fixes at rotatory handle 3 rear end face, both ends face all meshes with rack 57 about gear 58, rack 57 upper and lower both ends face is fixed with support frame 54, support frame 54 upper and lower both ends face is fixed with fly leaf 53, both ends face left and right sides are fixed with sliding block 56 about fly leaf 53, the sliding tray 55 is seted up in fire door body 2 left and right sides, both ends face is fixed with sealing gasket 52 about the inside door frame 1, the end face sets up in both sides about the door frame 1, the gear 58 rear end face is provided with the switch lock assembly, the gap that can reduce with fire door 1, the effect of sealing the fire door can be improved to the fire door.

The switch lock assembly 59 includes a fixed block 591, a first transmission rod 592 and a limit catch 593, the fixed block 591 is fixed on the rear end face of the gear 58, the first transmission rod 592 is disposed on the rear end face of the fixed block 591, and the first transmission rod 592 is connected with the limit catch 593.

The inside left side of door frame 1 has seted up spacing draw-in groove, and spacing draw-in groove's specification and spacing buckle 593 specification assorted, this design makes spacing buckle 593 can cooperate the use with spacing draw-in groove for prevent fire door body 2 can be spacing in door frame 1, all be provided with the bearing between first transfer lever 592 and fixed block 591 and spacing buckle 593, and when this design made gear 58 rotate, first transfer lever 592 can pull out spacing buckle 593, makes prevent fire door body 2 can be opened, is convenient for people escape.

Be provided with the sealing washer between rotatory handle 3 and the fire door body 2, be provided with the sealing strip between fire door body 2 and door frame 1, this design can increase the leakproofness of fire door body 2, prevents that there is smog leakage to leak and damages people healthy.

The rack 57 is meshed with the gear 58 for transmission, the rack 57 is provided with two groups, the movement directions of the two groups of racks 57 are opposite, the specification of the sliding block 56 is matched with that of the sliding groove 55, the size of the sealing gasket 52 is equal to that of the sealing groove 51, and the two groups of racks are attached to each other.

As an embodiment of the present utility model: in daily life, unmanned rotation rotary handle 3, sealed pad 52 and sealed recess 51 combine together promptly, increase the leakproofness between fire door body 2 and the door frame 1, when the conflagration breaks out, people escape from the fire control export, need rotate rotary handle 3 for gear 58 rotates and rack 57 meshing cooperation motion, go up fly leaf 53 downward movement this moment, lower fly leaf 53 upward movement, make sealed pad 52 leave sealed recess 51, and when gear 58 rotates, first transfer line 592 can pull out spacing buckle 593, prevent that the spacing effect between fire door body 2 and door frame 1 loses, make prevent fire door body 2 can be opened, people can escape from here.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a prevent fire door that sealed smoke barrier performance is good, includes door frame, prevents fire door body, rotatory handle, hinge structure and self-sealing mechanism, its characterized in that: the novel fireproof door comprises a fireproof door body and is characterized in that a rotary handle is arranged on the front end face of the fireproof door body, a door frame is arranged on the outer side of the annular face of the fireproof door body, a hinge structure is arranged between the door frame and the fireproof door body, and a free automatic sealing mechanism of the inner society of the fireproof door body is arranged;

the automatic sealing mechanism comprises a sealing groove, a sealing gasket, a movable plate, a supporting frame, a sliding groove, sliding blocks, racks, gears and a switch lock assembly, wherein the gears are fixed on the rear end face of a rotary handle, the left end face and the right end face of each gear are meshed with the racks, the supporting frame is fixed on the upper end face and the lower end face of each rack, the movable plate is fixed on the upper end face and the lower end face of each supporting frame, the sliding blocks are fixed on the left side and the right side of the upper end face and the lower end face of each movable plate, the sliding groove is formed in the left side and the right side of a fireproof door body, the sealing gasket is fixed on the upper end face and the lower end face of each movable plate, the sealing groove is formed in the upper side and the lower side of the inside of a door frame, and the switch lock assembly is arranged on the rear end face of each gear.

2. The fire door with good sealing and smoke-insulating performance according to claim 1, wherein: the switch lock assembly comprises a fixed block, a first transmission rod and a limiting buckle, wherein the fixed block is fixed on the rear end face of the gear, the first transmission rod is arranged on the rear end face of the fixed block, and the first transmission rod is connected with the limiting buckle.

3. The fire door with good sealing and smoke-insulating performance according to claim 2, wherein: the door frame is characterized in that a limit clamping groove is formed in the left side of the inside of the door frame, the specification of the limit clamping groove is matched with that of the limit buckle, and bearings are arranged between the first transmission rod and the fixing block as well as between the first transmission rod and the limit buckle.

4. The fire door with good sealing and smoke-insulating performance according to claim 1, wherein: the rotary handle with be provided with the sealing washer between the fire door body, fire door body with be provided with the sealing strip between the door frame.

5. The fire door with good sealing and smoke-insulating performance according to claim 1, wherein: the racks are meshed with the gears for transmission, two groups of racks are arranged, and the movement directions of the two groups of racks are opposite.

6. The fire door with good sealing and smoke-insulating performance according to claim 1, wherein: the specification of the sliding block is matched with the specification of the sliding groove.

7. The fire door with good sealing and smoke-insulating performance according to claim 1, wherein: the size of the sealing gasket is equal to that of the sealing groove, and the sealing gasket and the sealing groove are attached to each other.

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