CN209976374U

CN209976374U - Light indoor fireproof door

Info

Publication number: CN209976374U
Application number: CN201822233696.9U
Authority: CN
Inventors: 吕新印; 袁俊杰; 李晶; 马程
Original assignee: CHUNTIAN GROUP Co Ltd
Current assignee: CHUNTIAN GROUP Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-01-21
Anticipated expiration: 2028-12-28

Abstract

The utility model discloses a light indoor fireproof door, which comprises a door frame and a door leaf arranged in the door frame, and is characterized in that the door leaf comprises a framework, and a first fireproof plate and a first flame-retardant plate which are sequentially connected from inside to outside and are arranged on two side surfaces of the framework, the framework is in a grid shape, and an air layer is formed between the first fireproof plates on two sides in the framework; the first fireproof plate is made of a magnesium oxysulfate flat plate, and the first flame-retardant plate is made of a flame-retardant medium-density fiberboard. The structure is simple and easy to process, the opening and closing are easy, the door is suitable for indoor use, and the door can be matched with a common indoor door; by adopting a hollow design, the problem of short service life caused by easy corrosion of the original filling fireproof material can be avoided as much as possible.

Description

Light indoor fireproof door

Technical Field

The utility model relates to a prevent fire door, in particular to light-duty indoor fire door.

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 fire-proof door has the functions of a common door, preventing the fire from spreading and the smoke from diffusing, and preventing the fire from spreading within a certain time to ensure the evacuation of people, thereby becoming an important component of fire-fighting equipment and being an important part in social fire prevention.

Along with the improvement of people's consciousness on fire prevention, the building industry design rule needs to have indoor refuge room in the commercial house, but current ordinary fire door simple structure, and with general indoor door not supporting to the quality is heavy, difficult opening and closing, still has to fill the material in the fire door and corrodes easily and have the short-lived scheduling problem, awaits further improvement and satisfies the market demand.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve one of the above-mentioned problem, provide one kind light-duty be indoor fire door.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a light indoor fireproof door comprises a door frame and a door leaf arranged in the door frame, and is characterized in that the door leaf comprises a framework, and a first fireproof plate and a first flame-retardant plate which are arranged on two side faces of the framework and are sequentially connected from inside to outside, the framework is in a grid shape, and an air layer is formed between the first fireproof plates on two sides in the framework; the first fireproof plate is made of a magnesium oxysulfate flat plate, and the first flame-retardant plate is made of a flame-retardant medium-density fiberboard.

As an improvement of the utility model, the skeleton is made by the concatenation of fire-retardant timber.

As an improvement of the present invention, the frame is made of pine.

As an improvement of the utility model, the whole L font that is of cross section of door frame, the whole outsourcing section that is the L font and the whole rectangular lateral wall section that is of cross section including the cross section, the lateral wall section sets firmly in the medial surface of outsourcing the section.

As an improvement of the utility model, the outsourcing section includes two PLASTIC LAMINATED and the fire-retardant board two that connect gradually from interior to exterior, the cross section of two PLASTIC LAMINATED and fire-retardant board two all is the L font, two PLASTIC LAMINATED are made by the sulphur oxygen magnesium flat board, fire-retardant board two is made by fire-retardant medium density fiberboard.

By adopting the scheme, the outer packing section is simple in structure, convenient to process and good in fireproof and flame-retardant effects.

As an improvement of the utility model, the lateral wall section includes the mainboard and locates the fire-retardant board three of mainboard both sides face, the mainboard is made by fire-retardant timber, fire-retardant board three is made by fire-retardant medium density fiberboard.

By adopting the scheme, the side wall section is simple in structure, convenient to process and good in fireproof and flame-retardant effects.

As an improvement of the present invention, the main board is made of pine.

As an improvement of the utility model, a fireproof expansion sealing element with a cross-section L-shaped shape is arranged on the inner side surface of the door frame.

As an improvement of the utility model, the flame-retardant soundproof cotton connected with the framework is arranged in the air layer.

As an improvement of the utility model, the fire-retardant soundproof cotton is located air bed central position department.

To sum up, the utility model discloses following beneficial effect has:

1. compared with the fire door in the prior art, the light indoor fire door of the utility model has the advantages of light weight, simple structure, easy processing, easy opening and closing, being suitable for indoor use and being matched with a common indoor door; the hollow design is adopted, so that the problem of short service life caused by easy corrosion of the original filling fireproof material can be avoided as much as possible;

2. under the prerequisite of guaranteeing to prevent fire door light weight, add fire-retardant soundproof cotton in the air bed is inside, improved the syllable-dividing effect who prevents fire door, satisfy the user at indoor privacy demand.

Drawings

Figure 1 is a schematic view of a lightweight fire rated door of one embodiment;

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

FIG. 3 is an enlarged view of B in FIG. 2;

figure 4 is a cross-sectional view of a lightweight fire rated door of the second embodiment;

fig. 5 is an enlarged view of C in fig. 4.

In the figure, 100, door leaf; 101. a framework; 102. a first fireproof plate; 103. a first flame-retardant plate; 104. an air layer; 105. flame-retardant soundproof cotton; 200. a door frame; 210. an outer wrapping section; 211. a second fireproof plate; 212. a second flame-retardant plate; 220. a sidewall section; 221. a main board; 222. a third flame-retardant plate; 300. a fire resistant intumescent seal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, a lightweight fire door for an indoor includes a frame 200 and a door leaf 100 installed in the frame 200 by hinges.

Referring to fig. 2 and 3, the door leaf 100 includes a frame 101, and a first fireproof plate 102 and a first fireproof plate 103 which are sequentially adhered from inside to outside from two side surfaces of the frame 101, wherein the frame 101 is made of flame-retardant wood, is spliced and fixed in a grid shape, and is made of pine wood, an air layer 104 is formed between the first fireproof plates 102 at two sides in the frame 101, the first fireproof plates 102 are made of magnesium oxysulfate flat plates, and the first fireproof plates 103 are made of flame-retardant medium-density fiberboard.

The door frame 200 has an L-shaped overall cross section, and comprises an outer wrapping section 210 with an L-shaped overall cross section and a side wall section 220 with a rectangular overall cross section, wherein the outer wrapping section 210 comprises a fire-proof plate II 211 and a flame-retardant plate II 212 which are sequentially bonded from inside to outside, the cross sections of the fire-proof plate II 211 and the flame-retardant plate II 212 are both L-shaped, the fire-proof plate II 211 is made of a magnesium oxysulfate flat plate, the flame-retardant plate II 212 is made of a flame-retardant medium-density fiberboard, the side wall section 220 comprises a main plate 221 and flame-retardant plates III 222 bonded on two side surfaces of the main plate 221, the main plate 221 is made of flame-retardant wood and is specifically made of pine wood, the flame-retardant plates III 222 are made of a flame-retardant medium-density fiberboard, the side wall section 220 is bonded in the inner side area of the outer wrapping section 210, one end of the side wall section 220 is bonded on the inner side surface of the outer, the outer side surface of the other side fire retardant panel three 222 of the side wall section 220 is flush with the corresponding end side surface of the outer covering section 210.

A fire-proof expansion sealing member 300 having an L-shaped cross-section is further bonded to the inner side surface of the door frame 200.

The fireproof door has the advantages of light weight, simple structure, easy processing, easy opening and closing, suitability for indoor use and capability of being matched with a common indoor door; by adopting a hollow design, the problem of short service life caused by easy corrosion of the original filling fireproof material can be avoided as much as possible.

Example two:

referring to fig. 4 and 5, the present embodiment is different from the first embodiment in that flame retardant soundproof cotton 105 is disposed at a central position of an air layer 104, and the flame retardant soundproof cotton 105 is bonded to a frame 101 to improve a soundproof effect of the door and meet a privacy requirement of a user in a room.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A light indoor fireproof door comprises a door frame (200) and a door leaf (100) arranged in the door frame (200), and is characterized in that the door leaf (100) comprises a framework (101), and a first fireproof plate (102) and a first flame-retardant plate (103) which are arranged on two side faces of the framework (101) and are sequentially connected from inside to outside, the framework (101) is in a grid shape, and an air layer (104) is formed between the first fireproof plates (102) on the two sides in the framework (101); the first fireproof plate (102) is made of a magnesium oxysulfate flat plate, and the first flame-retardant plate (103) is made of a flame-retardant medium-density fiberboard.

2. A light weight indoor fire door according to claim 1, characterized in that said skeleton (101) is made of fire retardant wood by splicing.

3. A light weight indoor fire door according to claim 2, characterised in that said skeleton (101) is made of pine.

4. A light weight room fire door as recited in claim 1, 2 or 3, wherein said door frame (200) is generally L-shaped in cross section, and comprises an outer covering section (210) generally L-shaped in cross section and a side wall section (220) generally rectangular in cross section, said side wall section (220) being fixedly attached to an inner side of said outer covering section (210).

5. A light-weight indoor fireproof door according to claim 4, wherein the outer wrapping section (210) comprises a second fireproof plate (211) and a second flame-retardant plate (212) which are sequentially connected from inside to outside, the second fireproof plate (211) and the second flame-retardant plate (212) are both L-shaped in cross section, the second fireproof plate (211) is made of a magnesium oxysulfate flat plate, and the second flame-retardant plate (212) is made of a flame-retardant medium-density fiberboard.

6. A light weight room fire door as recited in claim 4, characterized in that said side wall section (220) comprises a main panel (221) and fire retardant panels three (222) provided on both sides of said main panel (221), said main panel (221) is made of fire retardant wood, and said fire retardant panels three (222) are made of fire retardant medium density fiberboard.

7. A light weight indoor fire door according to claim 6, characterized in that the main panel (221) is made of pine.

8. A light weight indoor fire door according to claim 4, characterized in that said door frame (200) is provided on its inner side with a fire expansion seal (300) having an L-shaped cross-section.

9. A light-weight indoor fire door according to claim 1, wherein a fire-retardant soundproof cotton (105) connected to the frame (101) is provided in the air layer (104).

10. A light weight indoor fire door as claimed in claim 9, wherein said fire retardant soundproof cotton (105) is provided at a central position of said air layer (104).