CN216866476U

CN216866476U - Shock-resistant steel fireproof door

Info

Publication number: CN216866476U
Application number: CN202122687513.2U
Authority: CN
Inventors: 黄维令
Original assignee: Shenzhen Rixin Door Technology Co ltd
Current assignee: Shenzhen Rixin Door Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-07-01
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an impact-resistant steel fireproof door which comprises a wall body, wherein a door body is arranged inside the wall body, a telescopic plate is arranged inside the door body, one end of the telescopic plate is fixedly connected with a fixed block, a spring is arranged on the fixed block, a sliding groove is arranged below the telescopic plate, a sliding block is connected onto the sliding groove in a sliding mode and is arranged on the outer side of the door body, and a connecting block is arranged at the other end of the spring and is connected with the spring through the lower fixed block. The other end of spring is connected on the connecting block of slider, through the slider downstream in the door body outside, under the effect of spout, the expansion plate is driven under the effect of spring and moves downwards to make the expansion plate carry out isolated effect to the door body inside, can effectively block stretching of intensity of a fire, increase the fire behavior of the whole door body.

Description

Shock-resistant steel fireproof door

Technical Field

The utility model relates to the field of steel fireproof doors, in particular to an impact-resistant steel fireproof door.

Background

The fire door is an important component in fire-fighting equipment and is an important part in social fire prevention, so the quality and the use problem of the fire door are the key of fire prevention success and failure, the steel fire door refers to a door frame, a door leaf framework and a door leaf panel which are made of steel materials, if a filling material is filled in the door leaf, the fire-proof heat-insulating material which is nontoxic and harmless to a human body is filled, a door which is formed by matching fire-proof hardware fittings and has the appointed fire resistance is provided, and the national standard has clear requirements on the size of gaps at the lap joints of the fire door: for the steel fireproof door, the lap joint of the leaf and the door frame is required to be not less than 10mm, and the gaps on the two sides between the leaf and the door frame are required to be not more than 4 mm. The gap after the fireproof door is installed cannot be too large, otherwise the sealing performance of the fireproof door is difficult to guarantee, and the effect of inhibiting fire and smoke from spreading under the fire condition is difficult to embody;

present fire door is prevented to steel still has the defect when using, and fire door is prevented to steel on the present market mainly focuses on in the aspect of preventing fires, and impact resistance to the door does not have fine structure embodiment for the inside structure of whole door body is comparatively simple and easy, does not possess stronger security, and present fire door is prevented to steel and is only set up a sealing strip in its periphery very much, makes the fire behavior and the leakproofness of whole door body relatively poor, so need the shock-resistant steel of preventing that can solve above problem now to prevent fire door.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an impact-resistant steel fireproof door.

In order to achieve the purpose, the utility model adopts the following technical scheme: an impact-resistant steel fireproof door comprises a wall body, wherein a door body is arranged inside the wall body, a telescopic plate is arranged inside the door body, one end of the telescopic plate is fixedly connected with a fixed block, a spring is arranged on the fixed block, a sliding groove is arranged below the telescopic plate, and a sliding block is connected to the sliding groove in a sliding mode;

the slider sets up the outside at the door body, the other end of spring is provided with the connecting block.

As a further description of the above technical solution:

connecting block fixed connection is in the inboard of slider, one side of the door body articulates there is first fire prevention hinge.

As a further description of the above technical solution:

one side of the door body is provided with a fireproof door lock, and the fireproof door lock is provided with a rotating block.

As a further description of the above technical solution:

the turning block penetrates through the fireproof door lock and is internally provided with a gear, and two ends of the gear are meshed with racks.

As a further description of the above technical solution:

the top fixedly connected with connecting rod of rack, the one side that the connecting rod runs through a body sets up inside the wall body, the junction of connecting rod and a body is provided with the sealing washer.

As a further description of the above technical solution:

the other end of connecting rod is provided with the spacing groove, and the one end in spacing groove runs through the fire door lock and inwards sets up.

As a further description of the above technical solution:

one side of the door body is provided with a connecting shell, a fire extinguishing agent is arranged inside the connecting shell, a guide pipe is arranged above the fire extinguishing agent, and the other end of the guide pipe is provided with a clamping groove.

As a further description of the above technical solution:

one side of the connecting shell is hinged with a second fireproof hinge, the bottom of the door body penetrates through the wall body and is provided with a sealing layer downwards, and the two sides of the door body are provided with interlayers.

The utility model has the following beneficial effects:

1. compared with the prior art, the impact-resistant steel fireproof door is characterized in that the expansion plate is arranged inside the door body and is connected with the spring through the fixing block below the expansion plate. The other end of the spring is connected to the connecting block of the sliding block, the sliding block on the outer side of the door body moves downwards, and the expansion plate is driven to move downwards under the action of the spring under the action of the sliding groove, so that the expansion plate can isolate the inner part of the door body, the spread of fire can be effectively blocked, and the fire resistance of the whole door body is realized;

2. compared with the prior art, the fireproof door lock is arranged on the outer side of the impact-resistant steel fireproof door, the rotation of the internal gear can be controlled through the rotating block, the connecting rod above the rack enters the wall under the meshing action of the rack, so that the door body is closed, the connecting rod is of a steel bar structure, the sealing ring is arranged at the connecting part, and the impact resistance of the whole door body during closing can be greatly improved;

3. compared with the prior art, this one side of fire door is prevented to shock-resistant steel is provided with the connection shell, and the inside of connection shell is provided with fire extinguishing agent, can spray the fire extinguishing agent of inside through the pipe to come to face comparatively critical condition, and can place the pipe through inside draw-in groove, realize adorning the security of a body.

Drawings

Figure 1 is a cross-sectional view of an impact resistant fire rated door in accordance with the present invention;

FIG. 2 is a schematic view of the structure A in FIG. 1;

FIG. 3 is a schematic view of the structure B in FIG. 1;

fig. 4 is a perspective view of an impact-resistant steel fire door according to the present invention.

Illustration of the drawings:

1. a wall body; 2. a door body; 3. a first fireproof hinge; 4. a chute; 5. an interlayer; 6. a sealing layer; 7. a fire extinguishing agent; 8. a conduit; 9. a card slot; 10. a seal ring; 11. a fixed block; 12. a gear; 13. a limiting groove; 14. a fireproof door lock; 15. a connecting rod; 16. a rack; 17. a spring; 18. a slider; 19. connecting blocks; 20. rotating the block; 21. a second fireproof hinge; 22. a connecting shell; 23. a retractable plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: an impact-resistant steel fireproof door comprises a wall body 1, wherein a door body 2 is arranged inside the wall body 1, an expansion plate 23 is arranged inside the door body 2, the expansion plate 23 can expand and contract to isolate the inside of the whole door body 2, one end of the expansion plate 23 is fixedly connected with a fixed block 11, a spring 17 is arranged on the fixed block 11, the expansion plate 23 can be driven to move downwards through the pulling of the spring 17, a sliding groove 4 is arranged below the expansion plate 23, a sliding block 18 is connected onto the sliding groove 4 in a sliding manner, the sliding block 18 can slide up and down through the sliding groove 4, the sliding block 18 is arranged on the outer side of the door body 2, and a connecting block 19 is arranged at the other end of the spring 17;

the connecting block 19 is fixedly connected to the inner side of the sliding block 18, the sliding block 18 can drive the spring 17 to move, so that the expansion of the expansion plate 23 is realized, one side of the door body 2 is hinged with the first fireproof hinge 3, the first fireproof hinge 3 is an existing device on the market, and the fireproof performance is good;

a fireproof door lock 14 is arranged on one side of the door body 2, a rotating block 20 is arranged on the fireproof door lock 14, the rotating block 20 penetrates through the fireproof door lock 14 and is internally provided with a gear 12, the gear 12 inside the fireproof door lock 12 can rotate through the rotating block 20, racks 16 are meshed at two ends of the gear 12, a connecting rod 15 is fixedly connected above the racks 16, under the action of the racks 16, the gear 12 drives the connecting rod 15 above the connecting rod 15 to perform clamping movement towards the inner side of the wall body 1, so that the door body 2 is locked, one side of the connecting rod 15 penetrating through the door body 2 is arranged inside the wall body 1, a sealing ring 10 is arranged at the connecting part of the connecting rod 15 and the door body 2, the inside of the connecting rod 15 is of a steel bar structure, and the sealing ring 10 is also arranged at the connecting part, so that the impact resistance of the whole door body 2 when closed can be greatly increased;

the other end of the connecting rod 15 is provided with a limiting groove 13, one end of the limiting groove 13 penetrates through the fireproof door lock 14 and is arranged inwards, and the connecting rod 15 can perform normal contraction movement through the limiting groove 13;

a connecting shell 22 is arranged on one side of the door body 2, a fire extinguishing agent 7 is arranged inside the connecting shell 22, a guide pipe 8 is arranged above the fire extinguishing agent 7, a clamping groove 9 is formed in the other end of the guide pipe 8, the fire extinguishing agent 7 inside the guide pipe 8 can be sprayed, so that a relatively critical situation can be met, the guide pipe 8 can be placed through the clamping groove 9 inside the guide pipe, and the safety of installing the door body 2 is realized;

one side of the connecting shell 22 is hinged with a second fireproof hinge 21, the bottom of the door body 2 penetrates through the wall body 1 and is downwards provided with a sealing layer 6, the two sides of the door body 2 are provided with interlayers 5, and the hardness degree of the whole door body 2 is realized through the sealing layer 6.

The working principle is as follows: the door body 2 is internally provided with a telescopic plate 23 which is connected with a spring 17 through a fixed block 11 at the lower part. Spring 17's the other end is connected on slider 18's connecting block 19, slider 18 downstream through the door body 2 outside, under spout 4's effect, expansion plate 23 is driven under spring 17's effect and is moved downwards, thereby make expansion plate 23 to door body 2 inside isolated effect, can effectively block stretching of intensity of a fire, realize the fire behavior of whole door body, and can control the rotation of inside gear 12 through turning block 20 on the rotation fire door lock 14, under the effect of 16 meshing of rack, make connecting rod 15 of 16 tops of rack enter into wall body 1, thereby realize the closure to the door body, and connecting rod 15 is inside to the steel bar structure, still be provided with sealing washer 10 in the junction, can greatly increased whole door body 2 impact resistance when the closure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an impact-resistant steel prevents fire door, includes wall body (1), its characterized in that: a door body (2) is arranged inside the wall body (1), an expansion plate (23) is arranged inside the door body (2), one end of the expansion plate (23) is fixedly connected with a fixed block (11), a spring (17) is arranged on the fixed block (11), a sliding groove (4) is arranged below the expansion plate (23), and a sliding block (18) is connected to the sliding groove (4) in a sliding manner;

the sliding block (18) is arranged on the outer side of the door body (2), and the other end of the spring (17) is provided with a connecting block (19).

2. An impact resistant fire rated door as claimed in claim 1 wherein: the connecting block (19) is fixedly connected to the inner side of the sliding block (18), and one side of the door body (2) is hinged to a first fireproof hinge (3).

3. An impact resistant fire rated door as claimed in claim 1 wherein: one side of the door body (2) is provided with a fireproof door lock (14), and the fireproof door lock (14) is provided with a rotating block (20).

4. An impact resistant fire rated door as claimed in claim 3 wherein: the rotating block (20) penetrates through the fireproof door lock (14) and is internally provided with a gear (12), and two ends of the gear (12) are meshed with racks (16).

5. An impact resistant fire rated door as claimed in claim 4 wherein: the upper portion of rack (16) fixedly connected with connecting rod (15), one side that connecting rod (15) run through the door body (2) sets up inside wall body (1), the junction of connecting rod (15) and door body (2) is provided with sealing washer (10).

6. An impact resistant fire rated door as claimed in claim 5 wherein: the other end of connecting rod (15) is provided with spacing groove (13), and the one end of spacing groove (13) runs through fireproof door lock (14) and inwards sets up.

7. An impact resistant fire rated door as claimed in claim 1 wherein: one side of the door body (2) is provided with a connecting shell (22), the inside of the connecting shell (22) is provided with a fire extinguishing agent (7), a guide pipe (8) is arranged above the fire extinguishing agent (7), and the other end of the guide pipe (8) is provided with a clamping groove (9).

8. An impact resistant fire rated door as claimed in claim 7 wherein: one side of the connecting shell (22) is hinged with a second fireproof hinge (21), the bottom of the door body (2) penetrates through the wall body (1) and is provided with a sealing layer (6) downwards, and the two sides of the door body (2) are provided with interlayers (5).