CN217841425U

CN217841425U - Improved steel fireproof door

Info

Publication number: CN217841425U
Application number: CN202221916250.6U
Authority: CN
Inventors: 张枭峰; 张涛
Original assignee: Shanghai Daosheng Door Industry Co ltd
Current assignee: Shanghai Daosheng Door Industry Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-18
Anticipated expiration: 2032-07-21

Abstract

The utility model provides a fire door is prevented to modified steel relates to and prevents fire door technical field, including the door frame, a pair of hinge is installed to door frame one side, the door frame articulates through the hinge has a body, sliding connection has the cardboard respectively, two in the inside both sides of door body the one end of cardboard runs through the door body respectively to extend to the outside, door frame inner wall both sides are provided with the draw-in groove with the mutual block of cardboard respectively, door body internally mounted has the PLASTIC LAMINATED, the PLASTIC LAMINATED both sides are connected with a plurality of compression spring respectively, compression spring's one end is connected with one side of cardboard, the PLASTIC LAMINATED both sides are provided with the V-arrangement groove respectively in the both sides that are close to the cardboard, the inside one side of PLASTIC LAMINATED is provided with the cavity, inside one side of cavity is rotated and is connected with the reel, be provided with the wire casing between cavity and the V-arrangement groove. The utility model discloses a, rational in infrastructure, convenient operation effectively reduces the diffusion of smog.

Description

Improved steel fireproof door

Technical Field

The utility model relates to a building field especially relates to prevent fire door, especially a fire door is prevented to modified steel.

Background

The fireproof door can meet the requirements of fire resistance stability, integrity and heat insulation within a certain time and is arranged in positions of fire prevention partitions, evacuation staircases, vertical shafts and the like.

In the prior art, the sealing performance of a part of fireproof doors is not perfect, and smoke easily permeates from door seams when a fire disaster occurs, so that the life safety of escape personnel is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a fire door is prevented to modified steel to solve present fire door leakproofness not perfect enough problem.

The utility model discloses purpose and efficiency that fire door was prevented to modified steel are reached by following specific technological means:

the improved steel fireproof door comprises a door frame, wherein a pair of hinges is installed on one side of the door frame, the door frame is hinged to a door body through the hinges, the upper side and the lower side of the inner portion of the door body are respectively connected with clamping plates in a sliding mode, the clamping plates respectively penetrate through the door body and extend to the outside, the upper side and the lower side of the inner wall of the door frame are respectively provided with clamping grooves which are mutually clamped with the clamping plates, a fireproof plate is installed inside the door body, the upper side and the lower side of the fireproof plate are respectively connected with a plurality of compression springs, one end of each compression spring is connected with one side of each clamping plate, V-shaped grooves are respectively formed in the side, close to the clamping plates, of the upper side and the lower side of the fireproof plate, a cavity is formed in one middle of the fireproof plate, a rolling wheel is rotatably connected to one side inside the cavity, a wire groove is formed between the cavity and the V-shaped grooves, two adjacent sides of the clamping plates are respectively connected with pull ropes, and one end of each pull rope respectively penetrates through the wire groove and is connected with one side of the outer wall of the rolling wheel.

Furthermore, buckle plates are respectively installed on two sides of the outer wall of the door body, the outer wall of each buckle plate is respectively connected with a handle in a rotating mode, and one end of each handle extends into the cavity and is connected with the axis of the winding wheel.

Furthermore, a door closer is installed at the top end of the outer wall of the door frame, and one end of the door closer is connected with one side of the door body.

Furthermore, a second pulley is rotated on one side of the inner wall of the V-shaped groove, a first pulley is rotatably connected inside the cavity, and the first pulley and the second pulley are in transmission connection through a pull rope.

Furthermore, a door lock is installed on the side of the outer wall of the door body, and a lock hole is formed in one side of the inner wall of the door frame.

Furthermore, a perspective window is installed on one side of the outer wall of the door body, and the perspective window is made of refractory glass.

Compared with the prior art, the utility model discloses following beneficial effect has:

this kind of fire door is prevented to modified steel, through the cardboard, the PLASTIC LAMINATED, compression spring, the rolling wheel, the mutual cooperation of stay cord and draw-in groove, make this fire door possess more perfect leakproofness, and then play the effect that reduces smog diffusion, promote the cardboard respectively through compression spring one end, make cardboard one end extend to the inside of draw-in groove, and then make and keep good leakproofness between door frame and the door body, the rethread rotates the rolling wheel, make it convolute the stay cord, make the one end of two stay cords drag the action to the cardboard respectively, thereby make cardboard and draw-in groove break away from each other, be convenient for open this fire door, and through the inside packing PLASTIC LAMINATED at the door body, not only effectively avoid stretching of intensity of a fire, the effect of isolated uniform temperature has also been played, the utility model discloses, it is rational in infrastructure, high convenience in operation, effectively reduce the diffusion of smog.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an expanded view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a door frame; 2. a door body; 3. buckling the plate; 4. a handle; 5. a door closer; 6. a perspective window; 7. clamping a plate; 8. a door lock; 9. a card slot; 10. a winding wheel; 11. a first pulley; 12. a compression spring; 13. pulling a rope; 14. a fire-proof plate; 15. a V-shaped groove; 16. a second pulley.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model relates to a fire door is prevented to modified steel, including door frame 1, a pair of hinge is installed to 1 one side of door frame, door frame 1 articulates through the hinge has a body 2, sliding connection has cardboard 7 respectively about the door body 2 is inside, two cardboard 7 run through a body 2 respectively, and extend to the outside, door frame 1 inner wall upper and lower sides are provided with the draw-in groove 9 with the mutual block of cardboard 7 respectively, door body 2 internally mounted has PLASTIC LAMINATED 14, the side is connected with a plurality of compression spring 12 respectively about the PLASTIC LAMINATED 14, compression spring 12's one end is connected with one side of cardboard 7, the downside is provided with V-arrangement groove 15 respectively in the side that is close to cardboard 7 on the PLASTIC LAMINATED 14, setting through V-arrangement groove 15, sufficient activity space has been provided for stay cord 13, avoid appearing the situation of connecing, PLASTIC LAMINATED 14 middle part one side is provided with the cavity, inside one side of cavity is rotated and is connected with reel 10, be provided with the wire casing between cavity and the V-arrangement groove 15, two adjacent one side of cardboard 7 are connected with stay cord 13 respectively, the one end of two stay cord 13 runs through the wire casing respectively, and be connected with one side of reel 10 outer wall.

Wherein, buckle 3 is installed respectively to door body 2 outer wall both sides, and the outer wall of two buckle 3 rotates respectively to be connected with handle 4, and the one end of handle 4 extends to the inside of cavity to be connected with the axle center of rolling wheel 10, use through buckle 3 and the cooperation of handle 4, be convenient for pressfitting handle 4, make its rotation of control rolling wheel 10.

The top end of the outer wall of the door frame 1 is provided with a door closer 5, one end of the door closer 5 is connected with one side of the door body 2, and the fireproof door is installed and used through the door closer 5, so that the fireproof door can be automatically closed.

Wherein, V-arrangement groove 15 inner wall one side is rotated and is had second pulley 16, and the inside rotation of cavity is connected with first pulley 11, and is connected through stay cord 13 transmission between first pulley 11 and the second pulley 16, uses through the cooperation of first pulley 11 with second pulley 16, is convenient for reduce the wearing and tearing of stay cord 13 in the department of buckling.

Wherein, door lock 8 is installed to door body 2 outer wall avris, and 1 inner wall one side of door frame is provided with the lockhole, uses through the cooperation of door lock 8 with the lockhole, is convenient for play the effect of lock door fire prevention, avoids the hot gas flow to push away this fire door.

Wherein, the perspective window 6 is installed to 2 outer wall one sides of the door body, and the material of perspective window 6 is fire-resistant glass, and installation through perspective window 6 is used, is convenient for see through this fire door and observes the intensity of a fire situation.

The specific use mode and function of the embodiment are as follows:

when using this kind of modified steel to prevent fire door, firstly, whether detect this junction of preventing fire door and fasten, after guaranteeing intact again this prevent fire door and install at the building area, wherein, through the elastic action of multiunit compression spring 12 to cardboard 7, make cardboard 7 one end extend to the inside of draw-in groove 9, thereby make and keep good leakproofness between door frame 1 and the door body 2, rethread closing handle 4, make reel 10 rotate, be convenient for convolute two stay cords 13, make the one end of two stay cords 13 pull the action respectively to cardboard 7, thereby make cardboard 7 and draw-in groove 9 break away from each other, help opening this prevent fire door, and simultaneously, use through the cooperation of first pulley 11 with second pulley 16, be convenient for reduce the wearing and tearing of stay cord 13 in the department of buckling, and fill PLASTIC LAMINATED 14 through the inside at the door body 2, not only effectively avoid stretching of intensity of a fire, the effect of isolated certain temperature has also been played, rethread door closer 5's installation is used, make this prevent fire door realize automatic closed function.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a fire door is prevented to modified steel, its characterized in that, includes door frame (1), a pair of hinge is installed to door frame (1) one side, door frame (1) articulates through the hinge has a body (2), the inside upper and lower side of door body (2) is sliding connection respectively has cardboard (7), two cardboard (7) run through a body (2) respectively to extend to the outside, door frame (1) inner wall upper and lower side is provided with draw-in groove (9) with cardboard (7) mutual block respectively, door body (2) internally mounted has PLASTIC LAMINATED (14), the side is connected with a plurality of compression spring (12) respectively about PLASTIC LAMINATED (14), the one end of compression spring (12) is connected with one side of cardboard (7), the downside is provided with V-arrangement groove (15) respectively in the side that is close to cardboard (7) on PLASTIC LAMINATED (14), PLASTIC LAMINATED (14) middle part one side is provided with the cavity, inside one side of cavity is rotated and is connected with reel (10), be provided with the wire casing between cavity and V-arrangement groove (15), two adjacent one side of cardboard (7) is connected with stay cord (13) respectively and the reel (10).

2. The improved fire door made of steel as recited in claim 1, further comprising: buckle (3) are installed respectively to door body (2) outer wall both sides, two the outer wall of buckle (3) rotates respectively and is connected with handle (4), the one end of handle (4) extends to the inside of cavity to be connected with the axle center of rolling wheel (10).

3. The improved fire door made of steel as recited in claim 1, further comprising: door closer (5) are installed on door frame (1) outer wall top, door closer (5) one end is connected with one side of the door body (2).

4. The improved fire door made of steel as recited in claim 1, further comprising: v-arrangement groove (15) inner wall one side rotates there is second pulley (16), the inside rotation of cavity is connected with first pulley (11), just through stay cord (13) transmission connection between first pulley (11) and second pulley (16).

5. The improved fire door made of steel as recited in claim 1, further comprising: the door lock is characterized in that a door lock (8) is installed on the lateral side of the outer wall of the door body (2), and a lock hole is formed in one side of the inner wall of the door frame (1).

6. The improved fire door made of steel as recited in claim 1, further comprising: a perspective window (6) is installed on one side of the outer wall of the door body (2), and the perspective window (6) is made of refractory glass.