CN217439875U

CN217439875U - Prefabricated steel-aluminum composite armored fireproof door

Info

Publication number: CN217439875U
Application number: CN202220960440.1U
Authority: CN
Inventors: 刘霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-16
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to a prefabricated steel-aluminum composite armored fireproof door, which comprises a door leaf and a door frame, wherein the door leaf is hinged with the door frame, the door leaf comprises a prefabricated armored fireproof door core, the rear side of the prefabricated armored fireproof door core is provided with a flame-retardant layer, and the flame-retardant layer is used for molding and filling of a stainless steel decoration panel; aluminum alloy door leaf blank pressing closing strips are also included; the aluminum alloy door leaf edge pressing and closing strip is connected with the side edge of the door leaf, and the outer side of the aluminum alloy door leaf edge pressing and closing strip is matched with the corresponding position of the door frame. The utility model discloses sturdy structure, its fire prevention flame retardant efficiency increases, and heat preservation sound insulation function is stronger. And an aluminum alloy door leaf blank pressing closing strip is adopted, and the installation is rapid. And the rear-mounted door frame closing line is adopted, so that the surface of the door frame closing line is prevented from being damaged by other workers for decoration.

Description

Prefabricated steel-aluminum composite armored fireproof door

Technical Field

The utility model relates to an armored door field, concretely relates to fire door is prevented to compound armor of prefabricated formula steel aluminium.

Background

With the development of society, the appearance requirements of the entrance doors of the building community are unified, and the entrance doors selected by developers usually use steel heat-insulation fireproof doors to play a role in fire resistance and heat insulation.

The armored door is a door which is universally adopted and can be used for decoration matching, the anti-theft performance is achieved by adopting a middle steel plate, the armored door is in a structure of steel wood, the periphery of a door leaf is buckled by steel plates or wooden products (some of the door leaf are welded), the door frame is generally a steel frame, the decorative surface of the steel frame sleeve or the steel frame is a steel frame, the surface of the door is free of paint treatment or is subjected to paint treatment, the interior of the armored door is hollow, most of the door in the current market is filled with perlite rock wool in the middle, corrugated aluminum and the like so as to prevent fire and insulate sound, but the rock wool plate is easy to drop when absorbing water, and the processed crushed slag falls on the body and is easy to itch, the ductility of the corrugated aluminum is not high, and the panel is easy to break when the thickness is too thin and the bent angle is easy to cause.

The door leaf blank pressing and closing strip generally adopted in daily life is made of steel, wood strips or PVC materials, the process is complicated, the manufacturing efficiency is low, and the door leaf blank pressing and closing strip is generally integrally installed with a door leaf. Because of its single shape, it is installed on the door leaf and then gives sound insulation, seals and decorative poor.

Meanwhile, the existing door frame closing line is generally wooden and is installed together with the door frame, so that the surface of the door frame is often damaged due to collision in the decoration process, the appearance is attractive, and the replacement cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a fire door is prevented to compound armor of prefabricated formula steel aluminium.

The technical means adopted by the utility model are as follows.

A prefabricated steel-aluminum composite armored fireproof door comprises a door leaf and a door frame, wherein the door leaf is hinged with the door frame and also comprises an aluminum alloy door leaf edge pressing closing strip; the aluminum alloy door leaf blank-pressing closing strip and the door leaf are arranged in a split mode and are matched with four sides of the door leaf, and the outer side of the aluminum alloy door leaf blank-pressing closing strip is matched with the corresponding position of a door frame.

Wherein, the door leaf contains prefabricated armoured fire door core, and this prefabricated armoured fire door core front side sets up fire-retardant layer.

Wherein, fire-proof flame-retardant heat preservation acoustic material is filled to prefabricated formula armoured fire door core inside.

The door frame is provided with a rear-loading type door frame decorative closing line, the rear-loading type door frame decorative closing line is provided with a bulge, a concave part is arranged at a position, corresponding to the bulge, on the door frame, and the concave part is clamped with the bulge.

The inner side of the aluminum alloy door leaf edge pressing and closing strip is buckled on the four sides of the door leaf, two grooves are formed in the outer side of the aluminum alloy door leaf edge pressing and closing strip, and the aluminum alloy door leaf edge pressing and closing strip is fixed in the grooves through screws and connected with the door leaf; still contain the fire prevention sealing strip that gives sound insulation, this fire prevention sealing strip that gives sound insulation insert and arrange in the recess.

Wherein, fire-retardant layer outside sets up outer stainless steel decoration panel, stainless steel decoration panel in prefabricated formula armoured fire door core inboard sets up.

And the door frame is also provided with a shockproof adhesive tape, and the inner side of the door frame is also provided with a door frame reinforcing steel plate.

Wherein, the material of the rear-loading type door frame closing line is aluminum alloy or stainless steel.

The utility model discloses produced technological effect:

1. the utility model provides a pair of fire door is prevented to compound armor of prefabricated formula steel aluminium, sturdy structure, its fire prevention flame retardant efficiency increases simultaneously, and the heat preservation sound insulation function is stronger.

2. The utility model provides a pair of fire door is prevented to compound armor of prefabricated formula steel aluminium adopts the aluminum alloy material as door leaf blank pressing closing strip, can match with various door frames, and the installation is quick, and simple process, and production preparation efficiency is high.

3. The utility model provides a pair of fire door is prevented to compound armor of prefabricated formula steel aluminium adopts the back-loading door frame of aluminum alloy or stainless steel to decorate the line of closing up, and it is convenient to install, has avoided having reduced economic loss because of other workers classes of fitment have damaged the surface of door frame line of closing up.

Drawings

Fig. 1 is an elevation view of the present invention.

Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.

Fig. 3 is the structure diagram of the aluminum alloy door leaf blank-pressing closing strip of the utility model.

Fig. 4 is a structural view of the closing line of the rear-loading door frame of the present invention.

Description of the figure numbers:

1: door leaf

2: door frame

3: aluminum alloy door leaf blank pressing closing strip

4: back-loading type door frame decorative closing line

6: stainless steel hinge

11: prefabricated armored fireproof door core

12: flame retardant layer

13: external stainless steel decorative panel

14: inner stainless steel decorative panel

21: concave part

22: shockproof adhesive tape

23: door frame reinforced steel plate

31: groove

32: fireproof sound-insulation sealing strip

41: projection

111: a fireproof flame-retardant heat-insulating sound-insulating material.

Detailed Description

Referring to fig. 1 and 2, the prefabricated steel-aluminum composite armored fire door of the present invention comprises a door leaf 1 and a door frame 2, wherein the door leaf 1 is hinged to the door frame 2 via a stainless steel hinge 6.

The door leaf 1 comprises a prefabricated armored fireproof door core 11, and a fireproof flame-retardant heat-preservation sound-insulation material 111 is filled in the prefabricated armored fireproof door core 11. In this embodiment, the prefabricated armored fireproof door core 11 uses a galvanized pipe material with a thickness of 40mm and 80mm as a framework, the framework is filled with a fireproof, flame-retardant, heat-insulating and sound-insulating material 111 with a thickness of 80mm, and the upper and lower surfaces of the framework are welded and sealed by steel plates with a thickness of 0.8mm or more.

The front side of the prefabricated armored fireproof door core 11 is provided with a flame-retardant layer 12, and the flame-retardant layer 12 is used for molding and filling of a stainless steel decorative panel. In the embodiment of the scheme, the flame-retardant layer 12 is adhered to the prefabricated armored fireproof door core 11, so that the surface flatness of the prefabricated armored fireproof door core can be increased.

An outer stainless steel decoration panel 13 is arranged on the outer side of the flame-retardant layer 12, and an inner stainless steel decoration panel 14 is arranged on the inner side of the prefabricated armored fireproof door core 11. The outer stainless steel decorative panel 13 and the inner decorative panel 14 may be arbitrarily selected according to customer's needs.

The door frame 2 is also provided with a shockproof adhesive tape 22, and the inner side of the door frame 2 is provided with a door frame reinforcing steel plate 23.

Also comprises an aluminium alloy door leaf blank holder strip 3. This aluminum alloy door leaf blank pressing closing strip 3 with 1 side components of a whole that can function independently setting of door leaf can with 1 side phase-match of door leaf, can prefabricate the connection, also can follow-up built-up connection, and this aluminum alloy door leaf blank pressing closing strip 3 outside cooperatees with 2 relevant position departments of door frame. In the embodiment of the present disclosure, the inner side of the aluminum alloy door leaf blank-pressing closing strip 3 is fastened on the side of the door leaf 1, and the outer side of the aluminum alloy door leaf blank-pressing closing strip 3 is matched with the corresponding position of the door frame 2. Two grooves 31 are arranged on the outer side of the aluminum alloy door leaf blank-pressing closing strip 3, and the aluminum alloy door leaf blank-pressing closing strip 3 is fastened with the door leaf 1 in the grooves 31 through screws. Still contain fire prevention sound insulation sealing strip 32, fire prevention sound insulation sealing strip 32 is inserted and is arranged in the recess 31, both can hide the screw wherein increase pleasing to the eye degree like this, can fill aluminum alloy door leaf blank pressing closing strip 3 again and door frame 2's accommodation space to the cushioning effect has been played.

In this case embodiment, aluminum alloy door leaf blank pressing closing strip 3 structure is as shown in fig. 3, and this aluminum alloy door leaf blank pressing closing strip 3 can satisfy with various door frame phase-matchs, and it has still realized simultaneously that it can carry out split type with current door leaf and installs additional, and it is convenient to install, has changed the current situation that current door leaf blank pressing closing strip must adorn with the door leaf is whole. Meanwhile, the aluminum alloy door leaf edge pressing closing strip 3 is simple in manufacturing process, capable of being industrially produced in batches and high in production efficiency.

The door frame further comprises a rear-mounted door frame decorative closing line 4, and the rear-mounted door frame decorative closing line 4 is made of aluminum alloy or stainless steel. The rear-loading doorframe closing line 4 is provided with a projection 41, and the doorframe 2 is provided with a concave part 21 at a position corresponding to the projection 41, and the concave part 21 is engaged with the projection 41.

In the present embodiment, the structure of the rear-loading doorframe closing line 4 is shown in fig. 4. In actual use, the appearance of the rear-mounted door frame closing line 4 can be changed at will as long as the requirements of the rear-mounted door frame closing line on the locking of the door frame are met, and the using function of the armored fireproof door is not influenced.

During installation, the aluminum alloy door leaf edge pressing closing strip 3 is buckled and pressed on the door leaf 1, then the door frame 2 is installed on a wall body, and whether the door frame reinforcing steel plate 23 is added or not can be adjusted according to engineering requirements. The door leaf 1 is then mounted to the doorframe 2 and finally the rear-mount doorframe trim closeout 4 is installed.

The utility model provides a pair of fire door structure is prevented to compound armor of prefabricated formula steel aluminium, sturdy structure, its fire prevention flame retardant efficiency increases simultaneously, and the function that gives sound insulation keeps warm is stronger. The aluminum alloy material is adopted as the door leaf edge pressing closing strip, can be matched with various door frames, and has the advantages of quick installation, simple process and high production and manufacturing efficiency. Furthermore, by adopting the rear-mounted door frame closing line made of aluminum alloy or stainless steel, the surface of the door frame closing line is prevented from being damaged by other decoration workers, and the economic loss is reduced.

Claims

1. A prefabricated steel-aluminum composite armored fireproof door comprises a door leaf (1) and a door frame (2), wherein the door leaf (1) is hinged with the door frame (2),

also comprises an aluminum alloy door leaf edge-pressing closing strip (3); the aluminum alloy door leaf blank pressing closing strip (3) and the door leaf (1) are arranged in a split mode and are matched with the four sides of the door leaf (1), and the outer side of the aluminum alloy door leaf blank pressing closing strip (3) is matched with the corresponding position of the door frame (2).

2. The prefabricated steel-aluminum composite armored fire door of claim 1, characterized in that, the door leaf (1) comprises a prefabricated armored fire door core (11), and a fire retardant layer (12) is arranged on the front side of the prefabricated armored fire door core (11).

3. The prefabricated steel-aluminum composite armored fire door of claim 2, wherein the prefabricated armored fire door core (11) is filled with fire-proof, flame-retardant, heat-insulating and sound-insulating materials (111).

4. A prefabricated steel-aluminium composite armored fire door as claimed in claim 1, further comprising a rear-mounted door frame decorative closing line (4), wherein the rear-mounted door frame decorative closing line (4) is provided with a protrusion (41), the door frame (2) is provided with a concave portion (21) at a position corresponding to the protrusion (41), and the concave portion (21) is engaged with the protrusion (41).

5. The prefabricated steel-aluminum composite armored fire door as claimed in claim 1, wherein the inner side of the aluminum alloy door leaf blank-pressing closing strip (3) is fastened on the four sides of the door leaf (1), two grooves (31) are arranged on the outer side of the aluminum alloy door leaf blank-pressing closing strip (3), and the aluminum alloy door leaf blank-pressing closing strip (3) is connected with the door leaf (1) through screws in the grooves (31); still contain fire prevention sound insulation sealing strip (32), fire prevention sound insulation sealing strip (32) insert in recess (31).

6. A prefabricated steel-aluminium composite armored fire door as claimed in claim 2, characterized in that an outer stainless steel decorative panel (13) is arranged outside the fire-retardant layer (12) and an inner stainless steel decorative panel (14) is arranged inside the prefabricated armored fire door core (11).

7. A prefabricated steel-aluminum composite armored fire door as claimed in claim 1, characterized in that said door frame (2) is further provided with a shockproof adhesive tape (22), and the inner side of the door frame (2) is further provided with a door frame reinforcing steel plate (23).

8. A prefabricated steel-aluminium composite armored fire door as claimed in claim 3, characterized in that the rear-loading door frame decorative closing line (4) is made of aluminium alloy or stainless steel.