CN211874319U

CN211874319U - High-performance anti-closing steel fireproof door

Info

Publication number: CN211874319U
Application number: CN201922129701.6U
Authority: CN
Inventors: 刘静; 刘粉林
Original assignee: Jiangsu Shengyang Fire Door Industry Co ltd
Current assignee: Jiangsu Shengyang Fire Door Industry Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-11-06
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a closed steel fire door is prevented to high performance relates to and prevents fire door technical field. The utility model discloses a door frame, the inside of door frame is connected with a body through the hinge rotation, connect through preventing closing device between door frame and the door body, prevent that closing device includes a curved tube and a U-shaped plate, the one end of curved tube and the one end fixed connection of U-shaped plate, the curved tube is the cambered surface with the junction of U-shaped plate, the curved tube is kept away from a terminal surface of U-shaped plate and is connected with the rear surface fixed connection of door frame, the front surface of U-shaped plate is connected with the rear surface fixed connection of door frame, the inside fixed mounting of one end that the curved tube was kept away from to the U-shaped plate has a fixed plate, the inside of fixed plate runs. The utility model discloses a door body will be perpendicular with the door frame after opening, even suffer the collision of personnel of fleing, also only can take place small vibration, and the fire door of having avoided opening is closed again, has striven for the valuable time for personnel of fleing.

Description

High-performance anti-closing steel fireproof door

Technical Field

The utility model belongs to the technical field of prevent fire door, especially relate to a fire door is prevented to steel.

Background

The fire department economic department designates an approved laboratory, the fire door fire resistance test method is tested to be qualified according to the national standard GB _12955 once 2008 of the new fire door, which is implemented from 1 month and 1 day in 2009, and the fire door is called as a fire door by obtaining the certification and login certificate and the authorized identifier of the ministry of economy standard inspection bureau. Fire rated doors, as defined by the NFPA and IBC specifications in the united states, are "any combination of fire rated door leaves, jambs, hardware and other fittings that together provide some degree of fire protection to an opening.

At present, the fire door is prevented to steel on the market after opening, is in and unstable state, and the personnel of fleing have the in-process of fleing to probably collide with the fire door is prevented to the steel, makes the fire door of opening close again, has hindered the personnel of fleing's fleing, and extravagant personnel of fleing's time makes personnel of fleing's life receive the threat, for this reason, the utility model designs a fire door is prevented to steel, and this fire door body is prevented to steel will be perpendicular with the doorframe after opening, even suffer personnel of fleing's collision, also can only take place small vibration, has avoided the fire door of opening to close again, has strived for the valuable time for personnel of fleing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed type steel is prevented to high performance prevents closing device, prevents closing device through the setting, has solved the door body of present preventing fire door after opening, is in and unstable state, and the personnel of fleing have the in-process of fleing to probably collide with preventing fire door, and the fire door that makes to open is closed again, hinders the problem that the personnel of fleing flees.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a high-performance anti-closing steel fireproof door, which comprises a door frame, wherein the inside of the door frame is rotationally connected with a door body through a hinge, and the door frame is connected with the door body through an anti-closing device;

the anti-closing device comprises an arc-shaped pipe, an arc-shaped groove and a U-shaped plate, one end of the arc-shaped pipe is fixedly connected with one end of the U-shaped plate, the joint of the arc-shaped pipe and the U-shaped plate is a cambered surface, one end face of the arc-shaped pipe, far away from the U-shaped plate, is fixedly connected with the rear surface of a door frame, the front surface of the U-shaped plate is fixedly connected with the rear surface of the door frame, a fixed plate is fixedly mounted inside one end of the U-shaped plate, far away from the arc-shaped pipe, a sliding column penetrates through the inside of the fixed plate, one end face of the sliding column, located inside the U-shaped plate, is fixedly mounted with a circular baffle, a spring is sleeved on the circumferential side of the sliding column and located between the fixed plate and the circular baffle, a sphere is arranged on one surface of the circular baffle, far away from the sliding column, one end face, far away from the sphere, of the connecting column is fixedly connected with the rear surface of the door body.

Furthermore, a handle is arranged on the door body, an anti-skid ring is sleeved on the handle, and the anti-skid ring is a component made of rubber.

Furthermore, the circle centers of the arc-shaped pipe and the arc-shaped groove are both positioned on the rotating central line of the door body.

Further, the U-shaped plate is composed of a semi-annular pipe and two side plates, and the width of each side plate is the same as the inner diameter of the semi-annular pipe.

Further, the width of the arc-shaped groove is smaller than the diameter of the sphere, and the difference value is between 3 and 4 cm.

Furthermore, the connecting column is L-shaped and is a component made of steel alloy.

The utility model discloses following beneficial effect has:

the utility model discloses a door body will be perpendicular with the door frame after opening, even suffer the collision of personnel of fleing, also only can take place small vibration, and the fire door of having avoided opening is closed again, has striven for the valuable time for personnel of fleing.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of the high performance anti-closing steel fire door of the present invention;

FIG. 2 is a rear view of the high performance anti-closing steel fireproof door of the present invention;

fig. 3 is a top view of the door frame of the present invention;

fig. 4 is a schematic structural view of the anti-closing device of the present invention;

fig. 5 is a front view of the anti-closure device of the present invention;

fig. 6 is a cross-sectional view of the anti-closure device of the present invention;

FIG. 7 is a schematic structural view of the arc-shaped groove of the present invention;

FIG. 8 is a side view of the U-shaped plate of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-door frame, 2-door body, 201-handle, 3-anti-closing device, 301-arc tube, 302-U-shaped plate, 303-arc groove, 304-fixing plate, 305-sliding column, 306-circular baffle, 307-spring, 308-sphere and 309-connecting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention relates to a high performance anti-closing steel fire door, which comprises a door frame 1, wherein the door frame 1 is rotatably connected with a door body 2 through a hinge, and the door frame 1 is connected with the door body 2 through an anti-closing device 3;

the anti-closing device 3 comprises an arc pipe 301, an arc groove 303 and a U-shaped plate 302, one end of the arc pipe 301 is fixedly connected with one end of the U-shaped plate 302, the joint of the arc pipe 301 and the U-shaped plate 302 is an arc surface, one end surface of the arc pipe 301 far away from the U-shaped plate 302 is fixedly connected with the rear surface of the door frame 1, the front surface of the U-shaped plate 302 is fixedly connected with the rear surface of the door frame 1, a fixing plate 304 is fixedly installed inside one end of the U-shaped plate 302 far away from the arc pipe 301, a sliding column 305 penetrates through the fixing plate 304, one end surface of the sliding column 305 located inside the U-shaped plate 302 is fixedly installed with a circular baffle 306, a spring 307 is sleeved on the peripheral side surface of the sliding column 305 and located between the fixing plate 304 and the circular baffle 306, a sphere 308 is arranged on one surface of the circular baffle 306 far away from the sliding column and inside the arc pipe 301, a connecting column 309 is fixedly installed, one end face of the connecting column 309 far from the sphere 308 is fixedly connected with the rear surface of the door body 2.

As shown in fig. 1-8, a handle 201 is disposed on the door body 2, and an anti-slip ring is sleeved on the handle 201, and the anti-slip ring is a rubber member.

The centers of the arc-shaped pipe 301 and the arc-shaped groove 303 are both on the rotating central line of the door body 2.

The U-shaped plate 302 is composed of a semi-annular tube and two side plates, and the width of each side plate is the same as the inner diameter of the semi-annular tube.

Wherein the width of the arc-shaped groove 303 is smaller than the diameter of the sphere 308, and the difference is between 3 and 4 cm.

The connecting column 309 is L-shaped, and the connecting column 309 is made of steel alloy.

One specific application of this embodiment is: when the door body 2 needs to be opened, the handle 201 is pressed downwards, at the moment, the circular baffle 306 is extruded due to the action of the spring 307, the circular baffle 306 extrudes the ball 308 to move in the arc tube 301 until the door body 2 is perpendicular to the doorframe 1, even if the door body 2 suffers from collision of escape personnel, only small vibration can be generated, the situation that the opened fireproof door is closed again is avoided, and precious time is strived for the escape personnel.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a closed steel prevents fire door is prevented to high performance, includes door frame (1), the inside of door frame (1) is connected with a body (2), its characterized in that through the hinge rotation: the door frame (1) is connected with the door body (2) through an anti-closing device (3);

the anti-closing device (3) comprises an arc-shaped pipe (301), an arc-shaped groove (303) and a U-shaped plate (302), one end of the arc-shaped pipe (301) is fixedly connected with one end of the U-shaped plate (302), the joint of the arc-shaped pipe (301) and the U-shaped plate (302) is an arc surface, one end face of the U-shaped plate (302) far away from the arc-shaped pipe (301) is fixedly connected with the rear surface of a door frame (1), the front surface of the U-shaped plate (302) is fixedly connected with the rear surface of the door frame (1), a fixing plate (304) is fixedly arranged inside one end of the U-shaped plate (302) far away from the arc-shaped pipe (301), a sliding column (305) penetrates through the inside of the fixing plate (304), a circular baffle (306) is fixedly arranged on one end face of the sliding column (305) which is located inside the U-shaped plate (302), a spring (307) is sleeved on the side of the sliding column (305) and located between the fixing, the inside of U-shaped board (302) is located circular baffle (306) and keeps away from a surface of slip post (305) and the inside of arc pipe (301) and all is equipped with spheroid (308), is located leftmost the bottom fixed mounting of spheroid (308) has a spliced pole (309), a terminal surface that spheroid (308) were kept away from in spliced pole (309) is connected with the rear surface fixed connection of door body (2).

2. The high-performance anti-closing steel fireproof door according to claim 1, wherein the door body (2) is provided with a handle (201), the handle (201) is sleeved with an anti-sliding ring, and the anti-sliding ring is a rubber member.

3. The high-performance anti-closing steel fireproof door according to claim 1, wherein the centers of the arc-shaped pipe (301) and the arc-shaped groove (303) are both on the center line of rotation of the door body (2).

4. The high performance anti-closing steel fire rated door as recited in claim 1, wherein said U-shaped panel (302) is comprised of a semi-circular tube and two side panels, said side panels having the same width as the inner diameter of the semi-circular tube.

5. The high performance anti-closing steel fire door of claim 1, characterized in that the width of the arc-shaped slot (303) is smaller than the diameter of the sphere (308) and the difference is between 3-4 cm.

6. The high performance anti-closing steel fire rated door as claimed in claim 1 wherein the attachment post (309) is L-shaped and the attachment post (309) is a member of steel alloy.