CN217001518U

CN217001518U - Fire prevention sound insulation airtight steel door

Info

Publication number: CN217001518U
Application number: CN202123216890.4U
Authority: CN
Inventors: 王川川; 倪晓波; 林建阳; 刘长平; 旷杰刚; 官友兴
Original assignee: Zhejiang Xingzhu Technology Co ltd
Current assignee: Zhejiang Xingzhu Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-19
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a fireproof sound-insulation airtight steel door, and aims to provide a steel door which is reasonable in structure, high in door body strength, good in sound insulation and air tightness, energy-saving and environment-friendly.

Description

Fire prevention sound insulation airtight steel door

Technical Field

The utility model relates to the technical field of entrance doors, in particular to a fireproof sound-insulation airtight steel door.

Background

The door is a common article in daily life and production. With the development of society and the advancement of science and technology, people have higher and higher requirements on doors. A common entrance door is composed of a door leaf and a door frame, and the door leaf and the door frame are made of metal materials. People pay more and more attention to the energy-saving effect of buildings, the energy-saving of buildings not only requires wall materials to achieve the specified heat preservation effect, but also puts higher requirements on doors and windows which need to be opened and closed frequently, for example, a small-area side-hung system is adopted for door and window sashes, and a heat insulation section structure is adopted, but for an entrance door, the passing area of the entrance door cannot be reduced, and only the sealing effect between the door leaf and the door frame is enhanced to prevent the energy from being dissipated, the traditional double-open type steel door is usually greatly reduced in the airtight, fireproof and sound insulation effects in order to ensure the strength of the door body, and therefore the improvement is further needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides the steel door which is reasonable in structure, high in door body strength, good in sound insulation and air tightness, more energy-saving and environment-friendly.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a fire prevention sound insulation airtight steel door, includes steel door frame, fire prevention hinge and through fire prevention hinge and door frame articulated door leaf panel, the door leaf panel comprises two at least door leaf units, is provided with the amortization subassembly between two adjacent door leaf units, the amortization subassembly includes the cooperation at the elastic buffer pad at door leaf unit upper and lower both ends, inlays amortization piece and the airtight piece of setting between the elastic buffer pad of establishing on the door leaf unit, the even bloop that is provided with a plurality of on the amortization piece.

Preferably, the elastic buffer pad comprises an elastic sealing edge used for being clamped on the door leaf unit and elastic buffer rings arranged at two ends of the elastic sealing edge, and the elastic buffer rings are semicircular.

Preferably, the airtight piece includes a hook portion clamped on the door leaf unit and a V-shaped sealing portion connected to the hook portion, and the airtight piece is in sealing fit with the V-shaped sealing portion.

Preferably, the periphery of the steel door frame is provided with a fixing assembly, the fixing assembly comprises an inclined guide sleeve embedded in the steel door frame, a connecting screw rod matched in the inclined guide sleeve and a fastening piece arranged on the connecting screw rod and embedded in the wall body, and a clamping jaw is arranged at the end part of the fastening piece.

Preferably, the door leaf unit is sequentially provided with a first galvanized steel plate, a heat insulation layer, a door core plate and a second galvanized steel plate from top to bottom, the first galvanized steel plate and the second galvanized steel plate are the same in thickness, and the door core plate is formed by compounding heat insulation mortar and glass wool.

Preferably, a door lock and a door closer are arranged on the door panel.

Preferably, a fireproof sealing piece is arranged between the steel door frame and the door leaf panel, and the fireproof sealing piece is made of an expandable graphite material.

Compared with the prior art, the utility model has the beneficial effects that:

1. the structural design of steel plates and steel frame steel profiles is adopted, the strength of the door body is improved, meanwhile, the coefficient of heat conduction is reduced, and the energy-saving effect is good.

2. The structural design of amortization subassembly in the door leaf panel through elastic buffer pad by a wide margin reduction the buffering effect when closing the door hard, falls the sound, falls and makes an uproar, strengthens the sound insulation of door leaf panel through the bloop on the amortization piece, ensures airtight effect between the door leaf unit through airtight piece.

3. The door core plate on the door leaf panel is made of heat-insulating composite paper, so that the door has good heat-insulating performance and fireproof effect, simple structure, reasonability and low cost.

Drawings

FIG. 1 is a schematic structural view of a fireproof, soundproof and airtight steel door according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the airtight member;

fig. 4 is a schematic structural view of the elastic cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, a fireproof, soundproof and airtight steel door includes a steel door frame 1, a fireproof hinge 2, and a door leaf panel 3 hinged to the door frame 1 through the fireproof hinge 2, the door leaf panel 3 is composed of at least two door leaf units 31, a silencing assembly 4 is disposed between two adjacent door leaf units 31, the silencing assembly 4 includes elastic cushions 41 fitted to upper and lower ends of the door leaf unit 31, a silencing piece 42 embedded on the door leaf unit 31, and an airtight piece 43 disposed between the elastic cushions 41, a plurality of silencing holes 421 are uniformly disposed on the silencing piece 42, silencing assemblies are disposed in the door leaf panels of a multi-door in the door leaf units 31, the elastic buffer cushion 41 greatly reduces the buffer effect when the door is closed forcibly, reduces the noise, the sound insulating property of the door panel 3 is enhanced by the sound insulating holes 421 in the sound insulating material 42, and the airtight sealing effect between the door units is ensured by the airtight material 43.

The elastic buffer pad 41 comprises an elastic sealing edge 411 used for being connected to the door leaf unit 31 in a clamping mode and elastic buffer rings 412 arranged at two ends of the elastic sealing edge 411, each elastic buffer ring 412 is in a semicircular shape, the elastic buffer pad 41 ensures the assembly and disassembly on the door leaf unit 31 through the elastic sealing edge 41, the assembly and disassembly are convenient, and the buffer effect between two adjacent door leaf units 31 is ensured through the elastic buffer rings 412 so as to further strengthen the buffer effect when the door is closed forcibly.

The airtight member 43 comprises a hook portion 431 clamped on the door leaf unit 31 and a V-shaped sealing portion 432 connected to the hook portion 431, the airtight member 43 is in sealing fit through the V-shaped sealing portion 432, and two adjacent door leaf units 31 are oppositely arranged in the V-shaped sealing portion 432 in a crossed clamping manner, so that the stability is good, and the air tightness is excellent.

The periphery of the steel door frame 1 is provided with a fixing component 5, the fixing component 5 comprises an inclined guide sleeve 51 embedded in the steel door frame 1, a connecting screw 52 matched in the inclined guide sleeve 51 and a fastener 53 arranged on the connecting screw 52 and embedded in a wall body, a clamping jaw 531 is arranged at the end part of the fastener 53, one end of the fixing component 5 is matched with the steel door frame 1 through the inclined guide sleeve 51, the other end of the fixing component is matched with the clamping jaw 531 through the fastener 53 in the wall body, stable matching of the steel door frame and the wall body is ensured, and the strength of the door body is further enhanced.

The door leaf unit 31 is sequentially provided with a first galvanized steel sheet 311, a heat insulation layer 312, a door core plate 313 and a second galvanized steel sheet 314 from top to bottom, the thicknesses of the first galvanized steel sheet 311 and the second galvanized steel sheet 314 are the same, the door core plate 313 is formed by compounding heat insulation mortar and glass wool materials, the heat insulation layer 312 and the door core plate 313 are made of novel materials, and the door leaf unit is good in heat insulation performance and fireproof effect, reasonable in structure and low in cost.

The door panel 3 is provided with a door lock 6 and a door closer 7.

Be provided with fire prevention sealing member 8 between steel door frame 1 and the door leaf panel 3, fire prevention sealing member 8 adopts the expansible graphite material to constitute, and fire prevention sealing member 8 sets up the fire resistance intensity of door body by a wide margin.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire prevention sound insulation airtight steel door, includes steel door frame, fire prevention hinge and through fire prevention hinge and steel door frame articulated door leaf panel, its characterized in that: the door leaf panel is composed of at least two door leaf units, a silencing assembly is arranged between every two adjacent door leaf units, the silencing assembly comprises elastic buffering cushions matched with the upper end and the lower end of each door leaf unit, silencing pieces embedded on the door leaf units and airtight pieces arranged between the elastic buffering cushions, and a plurality of silencing holes are uniformly formed in the silencing pieces.

2. The fire-proof, sound-proof, and airtight steel door as claimed in claim 1, wherein: the elastic buffer cushion comprises an elastic sealing edge used for being clamped on the door leaf unit and elastic buffer rings arranged at two ends of the elastic sealing edge, and the elastic buffer rings are semicircular.

3. The fire-proof, sound-proof and airtight steel door as claimed in claim 1, wherein: the airtight piece comprises a clamping hook part clamped on the door leaf unit and a V-shaped sealing part connected to the clamping hook part, and the airtight piece is in airtight fit with the V-shaped sealing part.

4. The fire-proof, sound-proof, and airtight steel door as claimed in claim 1, wherein: the fixing assembly is arranged on the periphery of the door frame and comprises an inclined guide sleeve embedded in the steel door frame, a connecting screw rod matched in the inclined guide sleeve and a fastener arranged on the connecting screw rod and embedded in a wall body, and a clamping jaw is arranged at the end of the fastener.

5. A fire-proof, sound-proof and airtight steel door as defined in any one of claims 1 to 4, wherein: the door leaf unit is sequentially provided with a first galvanized steel plate, a heat insulation layer, a door core plate and a second galvanized steel plate from top to bottom, the first galvanized steel plate and the second galvanized steel plate are the same in thickness, and the door core plate is formed by compounding heat insulation mortar and glass wool.

6. A fire-proof, sound-proof and airtight steel door as defined in any one of claims 1 to 4, wherein: and a door lock and a door closer are arranged on the door leaf panel.

7. The steel door as claimed in any one of claims 1 to 4, wherein: and a fireproof sealing piece is arranged between the steel door frame and the door leaf panel and is made of an expandable graphite material.