CN212296137U

CN212296137U - Fireproof door leaf

Info

Publication number: CN212296137U
Application number: CN202021372915.2U
Authority: CN
Inventors: 张李忠
Original assignee: Nanjing Fengyu New Material Technology Co ltd
Current assignee: Nanjing Fengyu New Material Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-01-05
Anticipated expiration: 2030-07-14

Abstract

A fireproof door leaf. The fireproof door leaf comprises a door plate, a frame and a corner connector; the utility model discloses the effect: the adopted door plate is a non-combustible material, the combustion grade can reach A grade, the requirement of a fireproof door can be completely met, the thickness is thicker than that of a steel plate, and the heat insulation effect is good. Inorganic heat insulating materials are placed in the middle, so that the heat insulating effect of the fireproof door leaf can be further improved, and the fireproof effect is better. The visible surface of the door plate is decorated by the film, the decoration effect reaches the decoration effect of home decoration level, and the requirements of various indoor fireproof doors can be met. The main structure of the fireproof door adopts an aluminum alloy structure, the door plate is connected in a mode of fixing the metal structure to form a door leaf, the bonded adhesive layer only plays an auxiliary role, and under the condition of fire, the adhesive layer can completely lose effect, but the door plate fixed by the metal structure still can be firmly fixed to block flame.

Description

Fireproof door leaf

Technical Field

The utility model belongs to the technical field of architectural decoration, especially, relate to a fire prevention door leaf.

Background

The fireproof door has wide application requirements, and in recent years, the requirement of the market on the fireproof door is higher and higher along with the higher and higher requirement of relevant standards on high-rise fire protection. But the variety of the fireproof door supplied in the market is quite single, and the fireproof door mainly comprises a steel fireproof door and a wooden fireproof door. The steel fireproof door is mainly used for an entrance door and has the function of a burglarproof door, and the wooden fireproof door is made by brushing fireproof paint on common wood. The two kinds of fireproof doors have very poor decorative effect and cannot be used indoors. There is a need in the market for a fire door that can be used indoors and has a good decorative effect.

Disclosure of Invention

In order to solve the above problem, an object of the present invention is to provide a fireproof door leaf.

In order to achieve the purpose, the fireproof door leaf provided by the utility model comprises a door plate, a frame and a corner connector; the frame is a rectangular frame formed by connecting two long frame strips arranged in parallel along the vertical direction and two short frame strips arranged along the horizontal direction end to end in sequence by utilizing four corner connectors, the outer edges of the front end surface and the rear end surface of the frame respectively protrude outwards to form a circle of inserting edges with inverted L-shaped sections, and the middle part of the frame is a cavity; the middle parts of the four side surfaces of the door plate are inwards sunken to form a circle of inserting grooves, so that an outer boss and an inner boss are formed at the position, and the height of the outer boss is greater than that of the inner boss; the two door plates are respectively fixed on the front end surface and the rear end surface of the frame, and the vertical edges on the splicing edges at the front end and the rear end of the frame are respectively inserted into the corresponding splicing grooves on the two door plates.

And an adhesive layer is arranged at the contact part of the door panel and the frame.

The door plate is made of any one of a calcium silicate board, a glass magnesium board, a cement fiber board and an inorganic board, and the outer surface of the door plate is stuck with a door plate decorative layer.

The fireproof door leaf further comprises a decorative strip adhered to the outer side face of the frame, a frame decorative layer is arranged on the visible face of the decorative strip, and the frame decorative layer and the door plate decorative layer are made of the same material.

The fireproof door leaf further comprises a plurality of transverse partition strips, the transverse partition strips are arranged in a space enclosed by the two door plates and the frames at intervals and are made of metal materials, the cross section of each transverse partition strip is square or rectangular and is in a hollow tubular shape, two ends of each transverse partition strip are respectively inserted into a connecting piece, the connecting pieces are connected with the frames in a screwed mode, and an adhesive layer is arranged at the contact position of each transverse partition strip and the door plate.

The fireproof door leaf further comprises inorganic heat insulation materials filled between the transverse partition strips and the frame, and the inorganic heat insulation materials are rock wool or glass wool.

The utility model provides a fire prevention door leaf has following beneficial effect:

the utility model discloses a door plant panel be incombustible material, and the burning grade can reach A level, can satisfy the requirement of preventing fire door completely, and thickness is thicker than the steel sheet moreover, and is thermal-insulated effectual. Inorganic heat insulating materials are placed in the middle, so that the heat insulating effect of the fireproof door leaf can be further improved, and the fireproof effect is better. The visible surface of the door plate is decorated by the film, the decoration effect reaches the decoration effect of home decoration level, and the requirements of various indoor fireproof doors can be met. The main structure of the fireproof door adopts an aluminum alloy structure, the door plate is connected in a mode of fixing the metal structure to form a door leaf, the bonded adhesive layer only plays an auxiliary role, and under the condition of fire, the adhesive layer can completely lose effect, but the door plate fixed by the metal structure still can be firmly fixed to block flame. Therefore, the utility model discloses the fire prevention door leaf safe and reliable of preparation, decorative effect is good, can satisfy the demand of house ornamentation, frock.

Drawings

Fig. 1 is a front view of the fire door leaf of the present invention.

Fig. 2 is a side view of the fire door leaf of the present invention.

Fig. 3 is the utility model provides a prevent door plant superstructure side view in fire door fan.

Figure 4 the utility model provides a prevent in fire door fan door plant frame superstructure side view.

Fig. 5 is a side view of the decoration strip structure in the fireproof door leaf.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, the fireproof door leaf of the present invention includes a door panel 1, a frame 2 and a corner brace 3; the frame 2 is a rectangular frame formed by connecting two long frame strips arranged in parallel in the vertical direction and two short frame strips arranged in the horizontal direction end to end in sequence by utilizing four corner connectors 3, the outer edges of the front end surface and the rear end surface of the frame 2 respectively protrude outwards to form a circle of inserting edges 4 with inverted L-shaped sections, and the middle part of the frame is a cavity 9 for inserting the corner connectors 3 and installing a door lock; the middle parts of four side surfaces of the door plate 1 are inwards sunken to form a circle of inserting grooves 5, so that an outer boss 7 and an inner boss 8 are formed at the position, and the height of the outer boss 7 is greater than that of the inner boss 8; the two door plates 1 are respectively fixed on the front and rear end surfaces of the frame 2, and the vertical edges on the splicing edges 4 at the front and rear ends of the frame 2 are respectively inserted into the corresponding splicing grooves 5 on the two door plates 1.

The contact part of the door panel 1 and the frame 2 is provided with an adhesive layer for strengthening the connection between the door panel and the frame.

The door plate 1 adopts any one of a calcium silicate board, a glass magnesium board, a cement fiber board and an inorganic board as a door plate board, and the outer surface is stuck with a door plate decorative layer 6.

The fireproof door leaf further comprises a decorative strip 11 adhered to the outer side face of the frame 2, a frame decorative layer 12 is arranged on the visible face of the decorative strip 11, and the frame decorative layer 12 and the door panel decorative layer 6 are made of the same material.

The fireproof door leaf further comprises a plurality of transverse division bars 13, the transverse division bars 13 are arranged in a space enclosed by the two door panels 1 and the frame 2 at intervals, made of metal materials, shaped like a hollow tube with a square or rectangular cross section, two ends of each transverse division bar 13 are respectively inserted into a connecting piece 14, the connecting pieces 14 are in threaded connection with the frame 2, and adhesive layers are arranged at contact positions of the transverse division bars 13 and the door panels 1 and used for strengthening connection between the transverse division bars and the door panels.

The fireproof door leaf further comprises inorganic heat insulation materials filled between the transverse partition strips 13 and the frame 2, and the inorganic heat insulation materials are rock wool or glass wool.

Now will the utility model provides a manufacturing method of fire door leaf explains as follows:

1) coating a layer of paint or adhesive on the back of the door panel plate to seal the surface; then, performing paint permeation treatment on the front surface to enable the paint to permeate into the door panel and be cured, and then coating a layer of paint on the surface of a permeation paint layer and curing to enable the surface of the paint layer to be flat and smooth and to be suitable for film coating;

2) processing inserting grooves 5 on four side surfaces of the door plate, thereby forming an outer boss 7 and an inner boss 8;

3) paint is replenished on the outer boss 7 and the inner boss 8 by using penetrating paint, and the paint is partially penetrated into the door panel and is solidified;

4) coating a film on the front surface of the door panel plate 1 with the paint layer and coating the film on the outer surfaces of the outer bosses 7 positioned on the two sides, and then manually coating the upper end surface and the lower end surface to coat the film on the outer surfaces of the outer bosses 7 positioned on the two ends, thereby forming a door panel decorative layer 6 and finally manufacturing the door panel 1;

5) milling door lock mounting holes in the middle of the two door panels 1 and one long frame strip, and symmetrically fixing a plurality of connecting pieces 14 on the inner sides of the two long frame strips at intervals by screws;

6) inserting the four corner connectors 3 into the cavities 9 at the adjacent ends of the two long frame strips and the two short frame strips, sequentially inserting a transverse division bar 13 into the two corresponding connecting pieces 14, and preliminarily assembling the frame 2 and the transverse division bar 13;

7) putting a door plate 1 on a workbench with the back surface facing upwards, coating adhesive on the contact part of the back surfaces of the preliminarily assembled frame 2 and transverse parting strip 13 and the door plate 1, putting the door plate 1 on the adhesive, aligning the vertical edge on the inserting edge 4 at the back end of the frame 2 with the inserting groove 5 on the door plate 1, then filling inorganic heat-insulating material between the transverse parting strips 13 and the frame 2, coating adhesive on the contact part of the front surfaces of the frame 2 and the transverse parting strip 3 and the other door plate 1, putting the back surface of the other door plate 1 downwards on the frame 2 and the transverse parting strip 3, aligning the vertical edge on the inserting edge 4 at the front end of the frame 2 with the inserting groove 5 on the door plate 1, knocking and inwards squeezing four frame strips on the frame 2 by a rubber hammer, respectively inserting the vertical edges on the inserting edge 4 at the front and back end surfaces of the frame 2 into the inserting grooves 5 on the two door plates 1, the splicing parts of the four corner connectors 3 have no gap, and then the four corner connectors 3 are fixed by a corner connector;

8) and finally, adhering decorative strips 11 on the periphery of the frame 2 by using an adhesive, and installing a hinge and a door lock after the adhesive is completely cured, thereby manufacturing the fireproof door leaf.

Claims

1. A fireproof door leaf is characterized in that: the fireproof door leaf comprises a door panel (1), a frame (2) and a corner connector (3); the frame (2) is a rectangular frame formed by connecting two long frame strips arranged in parallel along the vertical direction and two short frame strips arranged along the horizontal direction end to end in sequence by utilizing four corner connectors (3), the outer edges of the front end surface and the rear end surface of the frame (2) respectively protrude outwards to form a circle of inserting edges (4) with inverted L-shaped cross sections, and the middle part of the frame is a cavity (9); the middle parts of four side surfaces of the door panel (1) are inwards sunken to form a circle of inserting grooves (5), so that an outer boss (7) and an inner boss (8) are formed at the position, and the height of the outer boss (7) is greater than that of the inner boss (8); the two door plates (1) are respectively fixed on the front end surface and the rear end surface of the frame (2), and the vertical edges on the splicing edges (4) at the front end and the rear end of the frame (2) are respectively inserted into the corresponding splicing grooves (5) on the two door plates (1).

2. Fire door leaf according to claim 1, characterised in that: and an adhesive layer is arranged at the contact part of the door panel (1) and the frame (2).

3. Fire door leaf according to claim 1, characterised in that: the door plate (1) adopts any one of a calcium silicate board, a glass magnesium board, a cement fiber board and an inorganic board as a door plate board, and a door plate decorative layer (6) is stuck on the outer surface.

4. Fire door leaf according to claim 3, characterised in that: the fireproof door leaf further comprises a decorative strip (11) adhered to the outer side face of the frame (2), a frame decorative layer (12) is arranged on the visible face of the decorative strip (11), and the frame decorative layer (12) and the door panel decorative layer (6) are made of the same material.

5. Fire door leaf according to claim 1, characterised in that: fireproof door leaf still include many horizontal parting bead (13), horizontal parting bead (13) interval sets up in the space that encloses by two door plant (1) and frame (2), adopts metal material to make, the shape is square or rectangular cavity tubulose for the cross-section, peg graft respectively on a connecting piece (14) at the both ends of every horizontal parting bead (13), connecting piece (14) and frame (2) spiro union are in the same place to the contact site of horizontal parting bead (13) and door plant (1) is equipped with the adhesive layer.

6. Fire door leaf according to claim 1, characterised in that: the fireproof door leaf also comprises inorganic heat insulation materials filled between the transverse parting strips (13) and the frame (2), wherein the inorganic heat insulation materials are rock wool or glass wool.