CN218598107U

CN218598107U - Steel fireproof door with good smoke insulation performance

Info

Publication number: CN218598107U
Application number: CN202222066240.4U
Authority: CN
Inventors: 王来水; 严庆喜; 党建勇
Original assignee: Jinan Ping'an Doors And Windows Co ltd
Current assignee: Jinan Ping'an Doors And Windows Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-03-10
Anticipated expiration: 2032-08-08

Abstract

The utility model relates to a fire door technical field is prevented to the steel, and has disclosed a fire door is prevented to steel that smoke insulation can be good, has solved general fire door is prevented to steel and has existed great clearance between its door body in the in-process of using, therefore separates the problem that the smoke insulation can relatively poor, and it includes the door frame, and the door frame is interior symmetry rotation connection has a door body, mounting groove has all been seted up to door frame top and bottom, has seted up logical groove in the mounting groove, and the mounting groove is interior symmetry to be provided with drive assembly, and drive assembly includes first sprocket and second sprocket, and first sprocket is connected with the pivot axis of the door body, and the second sprocket rotates with the mounting groove to be connected, and first sprocket passes through chain drive with the second sprocket and is connected with the gear on the second sprocket; the utility model discloses, the cooperation through eccentric wheel, sloping block and first rubber slab etc. that set up is used, can make first rubber slab closely laminate with the door body when the door body is closed to improve the cigarette performance that separates of preventing fire door.

Description

Steel fireproof door with good smoke insulation performance

Technical Field

The utility model belongs to the technical field of fire door is prevented to the steel, specifically is a fire door is prevented to steel that separates cigarette performance is good.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation for a certain period of time. The fireproof partition is arranged in fireproof subareas, evacuation staircases, vertical shafts and the like, has certain fireproof performance and is generally made of steel.

In the use process of a common steel fireproof door, a larger gap exists between door bodies, so that the smoke insulation performance is poorer.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a fire door is prevented to steel that separates cigarette performance is good, the effectual in-process of preventing fire door is used to general steel of having solved, has great clearance between its door body, consequently separates the relatively poor problem of cigarette performance.

In order to achieve the above purpose, the utility model provides a following technical scheme: a steel fireproof door with good smoke isolation performance comprises a door frame, wherein a door body is symmetrically and rotatably connected in the door frame, mounting grooves are formed in the top end and the bottom end of the door frame, through grooves are formed in the mounting grooves, transmission assemblies are symmetrically arranged in the mounting grooves, each transmission assembly comprises a first chain wheel and a second chain wheel, the first chain wheels are connected with a rotating shaft of the door body, the second chain wheels are rotatably connected with the mounting grooves, the first chain wheels are connected with the second chain wheels through chain transmission, gears are connected to the second chain wheels, and the gears in the two transmission assemblies are meshed; an upper sealing component is also arranged in the mounting groove.

Preferably, go up sealing assembly and include the eccentric wheel of being connected with the axis of rotation of the door body, the equal symmetric connection in mounting groove both ends has the body of rod, has cup jointed spring and strip shaped plate on the body of rod, and the spring uses the strip shaped plate to set up as central symmetry, and the strip shaped plate symmetry sets up and is connected with the roof, and symmetric connection has first telescopic link on the roof, and first telescopic link is connected with first rubber slab.

Preferably, the strip-shaped plate is further connected with an integrated inclined block, and the side wall of the inclined block forms an inclined plane.

Preferably, the number of the first telescopic rods is four, the number of the springs is eight, and the number of the eccentric wheels, the number of the strip-shaped plates and the number of the inclined blocks are two.

Preferably, a groove is formed in one side wall of the door body, second telescopic rods are symmetrically connected in the groove, and the second telescopic rods are connected with the second rubber plate.

Preferably, the other side wall of the door body is symmetrically provided with a rubber pad, and the rubber pad is connected with the door frame.

Preferably, the inner side of the rubber pad forms an arc-shaped surface, and the shape of the arc-shaped surface is adapted to the edge shape of the door body.

Compared with the prior art, the beneficial effects of the utility model are that:

1) In the working process, the eccentric wheel, the inclined block, the first rubber plate and the like are matched for use, so that when the door body is closed, the inclined block is extruded by the eccentric wheel, the first rubber plate is tightly attached to the door body, and the smoke insulation performance of the fireproof door is improved;

2) The second rubber slab and the rubber pad that set up are used in the cooperation to and the second telescopic link of setting, can still keep the laminating between the two sealed after the second rubber slab takes place wearing and tearing, cooperate the sealed of rubber pad, thereby improve the sealing performance between door body lateral wall and the door frame, further improve and separate the cigarette performance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

FIG. 4 is a schematic view of the door structure of the present invention;

fig. 5 is an enlarged schematic structural view of the utility model at the position B in fig. 4;

in the figure: 1. a door frame; 2. a door body; 201. a groove; 202. a second telescopic rod; 203. a second rubber sheet; 204. a rubber pad; 3. mounting grooves; 301. a through groove; 4. a first sprocket; 5. a second sprocket; 6. a chain; 7. a gear; 8. an eccentric wheel; 9. a rod body; 10. a spring; 11. a strip-shaped plate; 12. a top plate; 13. a first telescopic rod; 14. a first rubber sheet; 15. and (5) sloping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 5, the door frame of the present invention comprises a door frame 1, a door body 2 is symmetrically and rotatably connected in the door frame 1, both the top end and the bottom end of the door frame 1 are provided with mounting grooves 3, through grooves 301 are formed in the mounting grooves 3, transmission assemblies are symmetrically arranged in the mounting grooves 3, each transmission assembly comprises a first chain wheel 4 and a second chain wheel 5, the first chain wheel 4 is connected with a rotating shaft of the door body 2, the second chain wheel 5 is rotatably connected with the mounting grooves 3, the first chain wheel 4 is in transmission connection with the second chain wheel 5 through a chain 6, a gear 7 is connected to the second chain wheel 5, and gears 7 in the two transmission assemblies are in meshing connection;

when one of the door bodies 2 is opened or closed, the rotating shaft of the door body 2 drives the first chain wheel 4 to rotate, the first chain wheel 4 drives the second chain wheel 5 to rotate through the driving chain 6, the second chain wheel 5 drives the coaxial gear 7 to rotate, and the gear 7 drives the gear 7 in the other transmission assembly to rotate in a meshing mode, so that the other door body 2 is driven to synchronously rotate.

An upper sealing assembly is further arranged in the mounting groove 3 and comprises eccentric wheels 8 connected with a rotating shaft of the door body 2, two ends of the mounting groove 3 are symmetrically connected with rod bodies 9, springs 10 and strip-shaped plates 11 are sleeved on the rod bodies 9, the springs 10 are symmetrically arranged by taking the strip-shaped plates 11 as centers, the strip-shaped plates 11 are symmetrically arranged and connected with a top plate 12, the top plate 12 is symmetrically connected with first telescopic rods 13, the first telescopic rods 13 are connected with first rubber plates 14, the strip-shaped plates 11 are further connected with integrated oblique blocks 15, the side walls of the oblique blocks 15 form oblique planes, the number of the first telescopic rods 13 is four, the number of the springs 10 is eight, and the number of the eccentric wheels 8, the number of the strip-shaped plates 11 and the number of the oblique blocks 15 are two;

when closing a body 2, its epaxial eccentric wheel 8 of rotation takes place to rotate, eccentric wheel 8 produces the extrusion to sloping block 15, sloping block 15 is through driving the strip shaped plate 11 along the motion of the body of rod 9, strip shaped plate 11 drives roof 12 motion, roof 12 drives first rubber slab 14 motion through driving first telescopic link 13, makes the top in close contact with of first rubber slab 14 and a body 2 to improve the sealing performance between 2 tops of a body and the door frame 1, play the effect that separates the cigarette.

In the second embodiment, on the basis of the first embodiment, a groove 201 is formed in one side wall of the door body 2, a second telescopic rod 202 is symmetrically connected in the groove 201, the second telescopic rod 202 is connected with a second rubber plate 203, a rubber pad 204 is symmetrically arranged on the other side wall of the door body 2, the rubber pad 204 is connected with the door frame 1, an arc-shaped surface is formed on the inner side of the rubber pad 204, and the shape of the arc-shaped surface is adapted to the edge shape of the door body 2;

usually the second rubber slab 203 can partly stretch out the recess 201 outside, and when the door body 2 closed, the second rubber slab 203 on two door bodies 2 extrudees each other like this, and through the second telescopic link 202 that sets up, can still keep the laminating between the two sealed after second rubber slab 203 takes place wearing and tearing, cooperation rubber pad 204 carries out the shutoff to the door body 2 of opposite side to improve the sealing performance between the lateral wall of door body 2 and the door frame 1, further improve smoke barrier performance.

Claims

1. The utility model provides a fire door is prevented to steel that smoke barrier performance is good, includes door frame (1), and door frame (1) interior symmetry is rotated and is connected with a body (2), its characterized in that: the door frame is characterized in that mounting grooves (3) are formed in the top end and the bottom end of the door frame (1), through grooves (301) are formed in the mounting grooves (3), transmission assemblies are symmetrically arranged in the mounting grooves (3), each transmission assembly comprises a first chain wheel (4) and a second chain wheel (5), the first chain wheels (4) are connected with a rotating shaft of the door body (2), the second chain wheels (5) are rotatably connected with the mounting grooves (3), the first chain wheels (4) are in transmission connection with the second chain wheels (5) through chains (6), gears (7) are connected to the second chain wheels (5), and the gears (7) in the two transmission assemblies are in meshing connection; an upper sealing component is also arranged in the mounting groove (3).

2. The steel fireproof door with good smoke insulation performance according to claim 1, characterized in that: go up seal assembly and include eccentric wheel (8) of being connected with the rotation axis of the door body (2), the equal symmetric connection in mounting groove (3) both ends has the body of rod (9), has cup jointed spring (10) and strip shaped plate (11) on the body of rod (9), and spring (10) use strip shaped plate (11) to set up as central symmetry, and strip shaped plate (11) symmetry sets up and is connected with roof (12), and the symmetric connection has first telescopic link (13) on roof (12), and first telescopic link (13) are connected with first rubber slab (14).

3. The steel fire door with good smoke insulation performance according to claim 2, characterized in that: the strip-shaped plate (11) is further connected with an integrated inclined block (15), and the side wall of the inclined block (15) forms an inclined plane.

4. The steel fire door with good smoke insulation performance according to claim 3, characterized in that: the number of the first telescopic rods (13) is four, the number of the springs (10) is eight, and the number of the eccentric wheels (8), the number of the strip-shaped plates (11) and the number of the inclined blocks (15) are two.

5. The steel fireproof door with good smoke insulation performance according to claim 1, characterized in that: a groove (201) is formed in one side wall of the door body (2), second telescopic rods (202) are symmetrically connected into the groove (201), and the second telescopic rods (202) are connected with a second rubber plate (203).

6. The steel fireproof door with good smoke insulation performance according to claim 5, wherein: the other side wall of the door body (2) is symmetrically provided with a rubber pad (204), and the rubber pad (204) is connected with the door frame (1).

7. The steel fire door with good smoke insulation performance according to claim 6, characterized in that: the inner side of the rubber pad (204) forms an arc-shaped surface, and the shape of the arc-shaped surface is adapted to the shape of the edge of the door body (2).