CN209855614U - Composite material fireproof door leaf - Google Patents

Abstract

The utility model belongs to the technical field of the fire safety equipment, especially, relate to a combined material prevent fire door leaf. Prevent fire door leaf includes skeleton and two panels, the skeleton is by left side stand, right side stand and about between the stand from top to bottom arranged in proper order entablature, middle cross beam, day font frame that the bottom end rail is constituteed, the front and the back of entablature, middle cross beam and bottom end rail are provided with the dovetail of at least three vertical direction of edge side by side uniformly, the panel include with the plate body and the setting of skeleton equidimension are in the back of plate body with dovetail one-to-one complex dovetail is protruding. Prevent fire door leaf simple structure, skeleton and panel are produced by factory's assembly line integration, and the cost of manufacture is low, and the equipment is convenient, is convenient for install and dismantle, is convenient for retrieve and reutilization.

Description

Composite material fireproof door leaf

Technical Field

The utility model belongs to the technical field of the fire safety equipment, especially, relate to a combined material prevent fire door leaf.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, 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.

Fire doors are typically installed at closed evacuation stairways, closed elevator cabs, cable headings, pipe headings, smoke evacuation vents, codes (e.g. GB50016-2014 "architectural design fire codes") or partition wall door divisions where fire and smoke protection is specifically required. Along with the improvement of resident's fire safety consciousness, the demand of using the indoor fire door of resident user increases gradually. However, the existing fire door is inconvenient to frequently open and close due to the heavy weight of the existing fire door, and meanwhile, the fire performance of the fire door is damaged when the existing fire door is frequently opened and closed; the door plates of the existing fireproof doors are mostly covered by steel plates, so that the decoration performance is poor.

Among the prior art, the utility model patent that the grant bulletin number is CN207568448U discloses an wood-based plate veneer steel skeleton high strength fire door leaf, which comprises a body, the body includes panel, support chassis and banding, the panel is provided with two-layer, support chassis sets up in two-layer between the panel, the panel comprises decorative board and PLASTIC LAMINATED veneer, support chassis is U type groove frame, U type groove frame intussuseption is filled with inorganic fire prevention and is packed two-layerly it has fire-proof material to fill between the panel, the banding is U type banding, and is two-layer the both ends of panel set up in the U type banding, the U type banding outside is provided with the recess, be provided with the strip of paper used for sealing in the recess. The utility model discloses a fire behavior that has high strength reduces timber and uses, reduces the pollution that the production of preventing fire door brought for the production process is more green. However, the utility model has poor strength, complex manufacturing process and high cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems existing in the prior art, the utility model provides a composite material prevents fire door leaf.

The fireproof door leaf comprises a framework and two panels, wherein the framework is a herringbone frame consisting of an upper cross beam, a middle cross beam and a lower cross beam which are sequentially arranged between a left upright post, a right upright post and a left upright post from top to bottom, the front surfaces and the back surfaces of the upper cross beam, the middle cross beam and the lower cross beam are uniformly provided with at least three dovetail grooves in the vertical direction side by side, the dovetail grooves of the upper cross beam and the middle cross beam penetrate through the upper cross beam and the middle cross beam in the vertical direction, and the dovetail grooves of the lower cross beam are continued to the middle part of the lower cross beam from the top of the lower cross beam in the vertical direction; the panel comprises a plate body with the same size as the framework and dovetail-shaped protrusions which are arranged on the back surface of the plate body and are matched with the dovetail grooves one by one.

Further, the fireproof door leaf further comprises a fireproof filling layer arranged in the closed space formed by the panel and the framework.

Furthermore, the fireproof filling layer is a perlite layer or a polyurethane foaming layer.

Furthermore, a decorative layer is arranged on the front surface of the panel, and the decorative layer is fixedly bonded with the panel through hot melt adhesive.

Further, the fireproof door leaf further comprises a U-shaped sealing edge, and the U-shaped sealing edge is sleeved on a frame of the fireproof door leaf.

Further, the outer side of the U-shaped sealing edge is wrapped with a fireproof rubber strip.

Further, a steel lining is arranged inside the framework.

Further, the panel is made of calcium silicate board.

The utility model has the advantages that:

1. prevent fire door leaf and make by light fire prevention combined material, light in weight, intensity is high, is suitable for to use at resident user indoor.

2. Prevent fire door leaf simple structure, skeleton and panel are produced by factory's assembly line integration, and the cost of manufacture is low, and the equipment is convenient, is convenient for install and dismantle, is convenient for retrieve and reutilization.

Drawings

Fig. 1 is a schematic view of the appearance of a door leaf of the fireproof door of the present invention;

fig. 2 is a schematic structural view of a frame of a door leaf of the fireproof door of the present invention;

fig. 3 is a schematic structural view of a panel of a door leaf of the fire door of the present invention;

fig. 4 is a schematic top view of a panel of a door leaf of the fireproof door of the present invention;

fig. 5 is a schematic side structure view of the U-shaped sealing edge of the door leaf of the fire door of the present invention.

In the figure: 1-framework, 11-left upright post, 12-right upright post, 13-upper beam, 14-middle beam, 15-lower beam, 16-dovetail groove, 2-panel, 21-plate body, 22-dovetail protrusion, 23-decorative layer and 3-U-shaped edge sealing.

Detailed Description

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

As shown in fig. 1-3, the fire door leaf includes a framework 1 and two panels 2, the framework is a zigzag frame formed by a left upright post 11, a right upright post 12, and an upper cross beam 13, a middle cross beam 14 and a lower cross beam 15 arranged in sequence from top to bottom between the left upright post 11 and the right upright post 12, the front and back of the upper cross beam 13, the middle cross beam 14 and the lower cross beam 15 are uniformly provided with three dovetail grooves 16 along the vertical direction side by side, the dovetail grooves 16 of the upper cross beam 13 and the middle cross beam 14 penetrate through the upper cross beam 13 and the middle cross beam 14 along the vertical direction, and the dovetail grooves 16 of the lower cross beam 15 continue from the top of the lower cross beam 15 to the middle of the lower cross beam 15 along the vertical direction; as shown in fig. 4, the panel 2 includes a plate body 21 having the same size as the frame 1 and a dovetail protrusion 22 provided on the rear surface of the plate body 21 to be fitted into the dovetail groove 16.

Further, the fire door leaf further comprises a fire-proof filling layer (not shown) disposed in the sealed space formed by the panel 2 and the frame 1.

Furthermore, the fireproof filling layer is a perlite layer or a polyurethane foaming layer.

Further, as shown in fig. 3, a decoration layer 23 is disposed on the front surface of the panel 2, and the decoration layer 23 is fixedly bonded to the panel 2 by hot melt adhesive.

Further, as shown in fig. 1 and 5, the fireproof door leaf further includes U-shaped sealing edges 3, and the U-shaped sealing edges 3 are respectively sleeved on the frames of the fireproof door leaf.

Further, the outer side of the U-shaped sealing edge 3 is wrapped with a fireproof rubber strip (not shown in the figure).

Further, a steel lining (not shown) is arranged inside the framework 1.

Further, the panel 2 is made of calcium silicate board.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (8)

1. The composite fireproof door leaf comprises a framework and two panels, and is characterized in that the framework is a herringbone frame consisting of an upper cross beam, a middle cross beam and a lower cross beam which are sequentially arranged between a left upright post, a right upright post and a left upright post from top to bottom, the front surfaces and the back surfaces of the upper cross beam, the middle cross beam and the lower cross beam are uniformly provided with at least three dovetail grooves in the vertical direction side by side, the dovetail grooves of the upper cross beam and the middle cross beam penetrate through the upper cross beam and the middle cross beam in the vertical direction, and the dovetail grooves of the lower cross beam extend from the top of the lower cross beam to the middle of the lower cross beam in the vertical direction; the panel comprises a plate body with the same size as the framework and dovetail-shaped protrusions which are arranged on the back surface of the plate body and are matched with the dovetail grooves one by one.

2. The fire door leaf as recited in claim 1, further comprising a fire-resistant filler layer disposed in the enclosed space formed by the panel and the frame.

3. The fire rated door leaf as claimed in claim 2, wherein the fire rated infill layer is a perlite layer or a polyurethane foam layer.

4. The fire rated door leaf as recited in claim 1, wherein the front face of the panel is provided with a decorative layer, and the decorative layer is fixedly bonded to the panel by hot melt adhesive.

5. The fire rated door leaf as recited in claim 1, further comprising a U-shaped hem seal disposed about a perimeter of the fire rated door leaf.

6. The fire door leaf as recited in claim 5, wherein an outer side of the U-shaped hem seal is wrapped with a strip of fire-resistant rubber.

7. The fire door leaf as recited in claim 1, wherein a steel lining is disposed within the frame.

8. The fire door leaf as recited in claim 1, wherein the panel is made of calcium silicate board.