CN215213215U

CN215213215U - Art fireproof door with sealing frame

Info

Publication number: CN215213215U
Application number: CN202121015017.6U
Authority: CN
Inventors: 季峰; 高建强
Original assignee: JIANGSU JINXIN SECURITY EQUIPMENT CO Ltd
Current assignee: JIANGSU JINXIN SECURITY EQUIPMENT CO Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-12-17
Anticipated expiration: 2031-05-12

Abstract

The technical fireproof door with the sealing frame. Relates to the field of fireproof doors. The structure is reliable, and the fireproof effect can be improved. The fireproof door comprises a fireproof door body, wherein a cavity is arranged in the fireproof door body, the top and the bottom of the cavity are both communicated with the outside, a first push plate is arranged at the upper part of the cavity, a second push plate is arranged at the lower part of the cavity, a first rack is arranged on one side, facing the second push plate, of the first push plate, a second rack is arranged on one side, facing the first push plate, of the second push plate, a first gear is further arranged in the cavity, the first rack and the second rack are respectively meshed with the bottom and the top of the first gear in a one-to-one correspondence manner, a rotating handle and a rotating shaft are arranged outside the fireproof door body, one end of the rotating shaft is fixedly connected with the rotating handle, and the other end of the rotating shaft is fixedly connected with the first gear; and fireproof expansion sealing strips are arranged on the other side of the first push plate and the other side of the second push plate.

Description

Art fireproof door with sealing frame

Technical Field

The utility model relates to a prevent fire door field, concretely relates to prevent fire door from area frame technology.

Background

The fireproof door is a door which can meet the requirements of fire-resistant stability and integrity within a certain time, and is a fireproof partition with certain fire resistance, which is arranged between fireproof partitions, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people.

In order to guarantee that the fireproof door can be smoothly opened and closed, a gap is reserved between the fireproof door and the ground and between the fireproof door and the top of the doorframe, but when a fire disaster occurs, flame and smoke can permeate the other side of the fireproof door through the gap, the fireproof effect is reduced, and the safety of personnel is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a structure is reliable, can promote the fire prevention effect from taking a frame technology to prevent fire door.

The utility model discloses a following technical scheme realizes: the technical fireproof door with the sealing frame comprises a fireproof door body, wherein a cavity is arranged in the fireproof door body, the top and the bottom of the cavity are communicated with the outside, a first push plate is arranged at the upper part of the cavity, a second push plate is arranged at the lower part of the cavity, a first rack is arranged on one side, facing the second push plate, of the first push plate, a second rack is arranged on one side, facing the first push plate, of the second push plate, a first gear is further arranged in the cavity, the first rack and the second rack are respectively meshed with the bottom and the top of the first gear in a one-to-one correspondence manner, a rotating handle and a rotating shaft are arranged on the outside of the fireproof door body, one end of the rotating shaft is fixedly connected with the rotating handle, and the other end of the rotating shaft is fixedly connected with the first gear;

and fireproof expansion sealing strips are arranged on the other side of the first push plate and the other side of the second push plate.

The fireproof door body is provided with a through hole, and the rotating shaft penetrates through the through hole.

The fireproof door is characterized in that a second gear is arranged outside the fireproof door body in the rotating shaft, a containing box with an opening facing the second gear is arranged on the outer wall of the fireproof door body, a spring and a pressing rod are arranged in the containing box, one end of the pressing rod is fixedly connected with the spring, the other end of the pressing rod is provided with an inner concave surface, and teeth meshed with the second gear are arranged in the inner concave surface.

There is the clearance between second gear and the fire door body.

The outer wall of the containing box is provided with a limiting pin in a penetrating mode, the pressure rod is provided with a limiting hole, and the limiting pin is inserted into the limiting hole.

Compared with the prior art, the utility model discloses at work, the handle is rotated in the rotation, when keeping away from each other with the second rack to the first rack of drive, can promote first push pedal and second push pedal and remove to the outside of cavity to make fire prevention inflation sealing strip closely laminate with ground and door frame top, improve the seal of preventing fire door, effectively prevent flame or smoke and dust infiltration, the structure is reliable, has promoted the fire prevention effect.

Drawings

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

FIG. 2 is a schematic structural view of the strut;

in the figure: 1. a fire door body; 11. a cavity; 12. perforating; 13. a containing box; 14. a spring; 15. a pressure lever; 151. an inner concave surface; 152. teeth; 16. a spacing pin; 17. a limiting hole; 2. a first push plate; 20. a first rack; 3. a second push plate; 30. a second rack; 4. a first gear; 5. rotating the handle; 6. a rotating shaft; 7. a fire-resistant intumescent sealing strip; 8. a second gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-2, the self-sealing frame art fire door comprises a fire door body 1, a cavity 11 is arranged in the fire door body 1, the top and the bottom of the cavity 11 are both communicated with the outside, the upper part of the cavity 11 is provided with a first push plate 2, the lower part of the cavity 11 is provided with a second push plate 3, one side of the first push plate 2 facing the second push plate 3 is provided with a first rack 20, a second rack 30 is arranged on one side of the second push plate 3 facing the first push plate 2, a first gear 4 is also arranged in the cavity 11, the first and second racks 20 and 30 are respectively engaged with the bottom and top of the first gear 4 in one-to-one correspondence, a rotating handle 5 and a rotating shaft 6 are arranged outside the fireproof door body 1, one end of the rotating shaft 6 is fixedly connected with the rotating handle 5, and the other end of the rotating shaft 6 is fixedly connected with the first gear 4;

and fireproof expansion sealing strips 7 are arranged on the other sides of the first push plate 2 and the second push plate 3. The handle 5 is rotated, so that the first gear 4 is driven to rotate through the rotating shaft 6, and the first rack 20 and the second rack 30 are respectively meshed with the bottom and the top of the gear, so that the first gear 4 rotates and can drive the first rack 20 and the second rack 30 to approach or separate from each other, and thus when the first rack 20 and the second rack 30 separate from each other, the first push plate 2 and the second push plate 3 can be pushed to move towards the outside of the cavity 11, so that the fireproof expansion sealing strip 7 is tightly attached to the ground and the top of a doorframe, the leakproofness of a fireproof door is improved, flame or smoke penetration is effectively prevented, the structure is reliable, and the fireproof effect is improved; when the first rack 20 and the second rack 30 are close to each other, the first push plate 2 and the second push plate 3 are recovered, so that the fire door body 1 can be conveniently opened after fire extinguishment; the fireproof expansion sealing strip 7 can expand after being heated, and further blocks the gap between the fireproof door body 1 and the ground and the top of the door frame.

Be equipped with perforation 12 on the fireproof door body 1, pivot 6 wears to establish in perforation 12. Therefore, the rotating shaft 6 can reliably rotate, a bearing can be arranged in the through hole 12, the rotating shaft 6 is inserted into the inner ring of the bearing, the rotating shaft 6 is convenient to rotate, meanwhile, the supporting for the rotating shaft 6 is provided, and the rotating shaft 6 is prevented from being bent and damaged.

The utility model discloses a fireproof door, including pivot 6, be located prevent that fire door body 1's outside is equipped with second gear 8 prevent that fire door body 1's outer wall is last, be equipped with the holding box 13 of opening towards second gear 8, be equipped with spring 14 and depression bar 15 in the holding box 13, the one end of depression bar 15 with spring 14 fixed connection, the other end is equipped with interior concave surface 151, be equipped with in the interior concave surface 151 with tooth 152 of second gear 8 meshing. After the rotating handle 5 rotates in place, the other end of the pressure rod 15 is in contact with and meshed with the second gear 8, the spring 14 is in a compressed state, and enough pressure is applied to press the pressure rod 15, so that the second gear 8 is locked by the pressure rod 15, the first gear 4 is effectively prevented from resetting, and the first push plate 2 and the second push plate 3 are ensured to have enough pressure to press the fireproof expansion sealing strip 7; the compression bar 15 can only generate linear motion in the vertical direction in the accommodating box 13, so that the locking effect is reliable.

A gap exists between the second gear 8 and the fire door body 1. Thus, the rotation of the second gear 8 does not interfere with the fire door body 1, and the rotation handle 5 and the rotation shaft 6 can be reliably rotated.

A limiting pin 16 penetrates through the outer wall of the accommodating box 13, a limiting hole 17 is formed in the pressing rod 15, and the limiting pin 16 is inserted in the limiting hole 17. The containing box 13 is provided with a through hole, the limiting pin 16 is arranged in the through hole, the pressing rod 15 is pushed into the containing box 13, the through hole is in butt joint with the limiting hole 17, the limiting pin 16 is inserted into the limiting hole 17, the pressing rod 15 is not meshed with the second gear 8 and is convenient to rotate when the handle 5 is rotated, the limiting pin 16 is pulled out after the rotation is finished, the spring 14 extends and pushes the pressing rod 15, the pressing rod 15 is meshed with the second gear 8, and the locking of the rotating shaft 6 and the first gear 4 is realized.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. From area frame technology prevents fire door, including preventing fire door body, its characterized in that: the fireproof door is characterized in that a cavity is arranged in the fireproof door body, the top and the bottom of the cavity are communicated with the outside, a first push plate is arranged at the upper part of the cavity, a second push plate is arranged at the lower part of the cavity, a first rack is arranged on one side, facing the second push plate, of the first push plate, a second rack is arranged on one side, facing the first push plate, of the second push plate, a first gear is further arranged in the cavity, the first rack and the second rack are respectively meshed with the bottom and the top of the first gear in a one-to-one correspondence manner, a rotating handle and a rotating shaft are arranged outside the fireproof door body, one end of the rotating shaft is fixedly connected with the rotating handle, and the other end of the rotating shaft is fixedly connected with the first gear;

2. The craft fireproof door with sealing frame of claim 1, wherein: the fireproof door body is provided with a through hole, and the rotating shaft penetrates through the through hole.

3. The craft fire door with sealing frame of claim 2, wherein: the fireproof door is characterized in that a second gear is arranged outside the fireproof door body in the rotating shaft, a containing box with an opening facing the second gear is arranged on the outer wall of the fireproof door body, a spring and a pressing rod are arranged in the containing box, one end of the pressing rod is fixedly connected with the spring, the other end of the pressing rod is provided with an inner concave surface, and teeth meshed with the second gear are arranged in the inner concave surface.

4. The craft fireproof door with sealing frame of claim 3, wherein: there is the clearance between second gear and the fire door body.

5. The craft fireproof door with sealing frame of claim 3, wherein: the outer wall of the containing box is provided with a limiting pin in a penetrating mode, the pressure rod is provided with a limiting hole, and the limiting pin is inserted into the limiting hole.