CN210422389U

CN210422389U - Improved double-opening fireproof door

Info

Publication number: CN210422389U
Application number: CN201921052812.5U
Authority: CN
Inventors: 肖粉芹; 李荣华; 高子平; 李荣贵
Original assignee: Huize Xinneng Technology Co Ltd
Current assignee: Huize Xinneng Technology Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-28
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to a fire-fighting equipment technical field specifically is a two divisions of fire doors of improved generation, including the door frame, be equipped with two door plants in the door frame relatively, regular on the door plant is equipped with the semi-ring recess, preceding recess and the side recess that pack has intumescent flame retardant, is equipped with observation window and lower observation window on the door plant from last to down in proper order. The utility model discloses a set up the two door leafs that open that constitute by two door plants of area extension board in the door frame, the lateral wall of door plant and the equal rule set up the intumescent fire retardant on the extension board, and all set up the observation window of taking double-deck fire prevention glass from top to bottom at the door plant, when the condition of a fire appears, people can directly look over intensity of a fire and dense cigarette situation so that judge whether can flee through observation window from top to bottom, do not need to open and prevent that fire door looks over, avoid appearing danger, the intumescent fire retardant is heated simultaneously and takes place the inflation and can effectively seal up each gap of preventing fire door, the air circulation of preventing fire door both sides in the separation, and then effectively prevent the intensity of a fire.

Description

Improved double-opening fireproof door

Technical Field

The utility model relates to a fire-fighting equipment technical field specifically is a fire door is prevented to two divisions of improved generation.

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.

Among the prior art, the type of preventing fire door is diversified, and the material also has the difference, and its fire prevention effect is also good to vary. However, the existing fireproof door still has many defects, such as a gap is left between the fireproof door and a door frame, and air circulation at two sides of the door plate cannot be blocked, so that fire or dense smoke continues to spread; meanwhile, if the width of some fireproof channels is large, a double-opening fireproof door needs to be installed, and a large gap also exists between two door plates of the double-opening fireproof door; in addition, most of existing fireproof doors are solid door plates, so that the fire can not be observed in time when the fire occurs, and the fire can be observed very dangerously by opening the fireproof doors at will. In view of this, we propose an improved double-open fire door.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation is two to be opened and is prevented fire door to there is the problem of the unable direct observation intensity of a fire of gap and entity door plant between the door plant of the present fire door that proposes in solving above-mentioned background art and the door frame.

In order to achieve the above object, the utility model provides a following technical scheme:

an improved double-open fireproof door comprises a door frame, wherein the rear end of the inner side of the door frame is provided with a limiting frame, a double-opening door leaf is arranged in the door frame, the left end and the right end of the double-opening door leaf are hinged on the door frame through hinges, two groups of door handles are oppositely arranged in the middle of the double-opening door leaf, the double-opening door leaf consists of two door panels which are oppositely arranged, the door plate comprises a main plate, a semi-ring groove is arranged on the outer side wall of the main plate, an extension plate is arranged at one end of the main plate far away from the semi-ring groove, a front groove is arranged on the surface of the extension plate which is not flush with the main plate, a side groove is arranged at one end of the extension plate away from the main plate, the semi-ring recess preceding recess and all be equipped with intumescent fire retardant in the side recess, on the mainboard from last observation window and lower observation window of being equipped with down in proper order, go up the observation window with all be equipped with two-layer fire prevention glass side by side in the observation window down.

Preferably, the door frame is right-angled inverted U-shaped, the limit frame and the door frame are of an integrally formed structure, and the double-opening door leaf is opened and closed in the direction away from the limit frame.

Preferably, one end of the door panel, which is far away from the extension plate, is hinged to the door frame through the hinge, and the door handle is fixed to the front side wall and the rear side wall of one end of the door panel, which is near to the extension plate, through screws.

Preferably, the extension plate and the main plate are of an integrally formed structure, and the thickness of the extension plate is half of that of the main plate.

Preferably, the intumescent flame retardant is fixedly filled in the semi-ring groove, and the thickness of the intumescent flame retardant is smaller than or equal to the depth of the semi-ring groove.

Preferably, when the double-opening door leaf is in a closed state, the extending plates of the two door panels for forming the double-opening door leaf are in clamping fit.

Preferably, the upper observation window is in a vertical direction, the lower observation window is in a horizontal direction, and the upper observation window and the lower observation window have the same structure.

Preferably, the fireproof glass is fixedly embedded in the upper observation window, and a gap is reserved between two layers of the fireproof glass in the upper observation window.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the two door leafs that open that constitute by two door plants of area extension board in the door frame, the lateral wall of door plant and the equal rule set up the intumescent fire retardant on the extension board, and all set up the observation window of taking double-deck fire prevention glass from top to bottom at the door plant, when the condition of a fire appears, people can directly look over intensity of a fire and dense cigarette situation so that judge whether can flee through observation window from top to bottom, do not need to open and prevent that fire door looks over, avoid appearing danger, the intumescent fire retardant is heated simultaneously and takes place the inflation and can effectively seal up each gap of preventing fire door, the air circulation of preventing fire door both sides in the separation, and then effectively prevent the intensity of a fire.

Drawings

Fig. 1 is a schematic view of the overall structure of the improved double-open fireproof door of the present invention;

fig. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic view of a half-section structure of the door frame of the present invention;

fig. 4 is an overall schematic view of the door panel of the present invention;

FIG. 5 is a schematic structural view of a door panel (not filled with intumescent flame retardant) according to the present invention;

fig. 6 is a schematic view of a half-section structure of the door panel of the present invention.

In the figure: 1. a door frame; 11. a limiting frame; 2. double door leaves are opened; 21. a hinge; 22. a door handle; 3. a door panel; 31. a main board; 311. a semi-ring groove; 32. an extension plate; 321. a front groove; 322. a side groove; 33. an intumescent flame retardant; 34. an upper observation window; 35. a lower observation window; 36. fire-resistant glass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "middle", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

an improved double-open fireproof door comprises a door frame 1, wherein a limiting frame 11 is arranged at the rear end of the inner side of the door frame 1, a double-open door leaf 2 is arranged in the door frame 1, the left end and the right end of the double-open door leaf 2 are hinged on the door frame 1 through hinges 21, two groups of door handles 22 are oppositely arranged in the middle of the double-open door leaf 2, the double-open door leaf 2 consists of two door panels 3 which are oppositely arranged, each door panel 3 comprises a main board 31, a semi-ring groove 311 is arranged on the outer side wall of the main board 31, an extending board 32 is arranged at one end of the main board 31, which is far away from the semi-ring groove 311, a front groove 321 is arranged at one side of the extending board 32, which is, all be equipped with intumescent fire retardant 33 in preceding recess 321 and the side recess 322, be equipped with observation window 34 and lower observation window 35 from last to down in proper order on the mainboard 31, all be equipped with two-layer fire prevention glass 36 in observation window 34 and the lower observation window 35 side by side.

In this embodiment, door frame 1 is the right angle font of falling U, and spacing frame 11 and door frame 1 are integrated into one piece structure, and spacing frame 11 and door frame 1's shape phase-match.

Further, two door leafs 2 use the direction of keeping away from spacing frame 11 as the direction of opening and shutting, avoid spacing frame 11 to influence opening and shutting of two door leafs 2, spacing frame 11 can increase the area of contact between the edge of two door leafs 2 and the door frame 1 simultaneously, improve the leakproofness between two door leafs 2 outer margins of opening and the door frame 1.

In this embodiment, the end of the door panel 3 away from the extension plate 32 is hinged to the door frame 1 via the hinge 21, so that the two door panels 3 are both convenient to open and close.

Further, the door handle 22 is fixed to the front and rear side walls of the door panel 3 near one end of the extension plate 32 by screws, so that the door handle 22 can apply force to open and close the door panel 3.

In addition, it should be noted that two handles are oppositely arranged at the front end and the rear end of each set of door handles 22, and the two handles of each set of door handles 22 are respectively fixed on two side surfaces of the door panel 3, so that the door panel 3 can be opened and closed from the front side and the rear side.

In this embodiment, the extension board 32 and the main board 31 are integrally formed, so that the overall structure of the door panel 3 is firm and stable.

Further, the thickness of extension board 32 is half of the thickness of mainboard 31, when two door leaves 2 are in the closed condition for constitute this two door plant 3's of two door leaves 2 extension board 32 joint cooperation, make the middle seam crossing of two door leaves 2 closely level and smooth, effectively increased the area of contact between two door plants 3 simultaneously, a large amount of smoke and dust or mars spill over from the seam crossing when avoiding on fire.

In this embodiment, the intumescent flame retardant 33 is fixed and filled in the semi-ring groove 311, and the intumescent flame retardant 33 is filled in both the front groove 321 and the side grooves 322.

Further, the thickness of the intumescent flame retardant 33 is less than or equal to the depth of the half-ring groove 311, and in this embodiment, the thickness of the intumescent flame retardant 33 is preferably equal to the depth of the half-ring groove 311, so that the side edges of the door panel 3 are smooth and flat, and the possibility that the opening, closing and flatness of the door panel 3 are affected by the excessive thickness of the intumescent flame retardant 33 is avoided.

Specifically, when the condition of a fire appears, close two door leafs 2, the intumescent fire retardant 33 when 3 sides of door plant is heated or receives the fire and can take place the inflation, can closely all extrude 1 inboard four sides of door frame closely, the intumescent fire retardant 33 in preceding recess 321 and the side recess 322 is also heated the inflation simultaneously, it is inseparable to extrude the more closely reality with the seam crossing between two door plant 3, reduce the circulation of air of preventing fire door both sides, avoid the intensity of a fire to stretch, and then can effectively avoid the condition of a fire to aggravate.

In this embodiment, go up observation window 34 and be the vertical direction, lower observation window 35 is the horizontal direction, it is the same with lower observation window 35's structure to go up observation window 34, people can stand and observe the intensity of a fire of preventing fire door opposite side through last observation window 34, and the people homoenergetic of different heights can observe, people can squat down simultaneously through observation window 35 down observe the intensity of a fire and the flue gas condition of preventing fire door opposite side so that judge the condition of a fire, and then judge whether to open and prevent fire door and flee.

Further, the fireproof glass 36 is fixedly embedded in the upper observation window 34, the door panel 3 is generally made of a plurality of materials through mould pressing after being mixed, the fireproof glass 36 is fixedly embedded in the side wall of the door panel 3 in the mould pressing process, and heat-resistant sealant is used for sealing.

Further, leave the space between the two-layer fire prevention glass 36 in the last observation window 34, can further improve the fire prevention effect of going up observation window 34 through double-deck fire prevention glass 36, the space between the two-layer fire prevention glass 36 can avoid the heat to conduct fast simultaneously and come, probably is scalded when avoiding people to observe the condition of a fire.

When the improved double-open fireproof door of the embodiment is used, firstly, the door frame 1 is installed in the fireproof channel, secondly, the half-ring groove 311, the front groove 321 and the side groove 322 of the door panel 3 are filled with the intumescent flame retardant 3 and are cut flat, then, the door panel 3 is installed on the door frame 1 through the hinge 21, and the door handle 22 is installed on the door panel 3; when the condition of a fire appears, people can stand far away and observe the intensity of a fire or dense smoke situation through observation window 35 down, be close to again and prevent that fire door observes the intensity of a fire through last observation window 34 and in order to judge whether can open the door and flee, when flame or high temperature spread on door plant 3, the inflation fire retardant 33 on its each side is heated and takes place the inflation and all tightly fills up each gap of whole preventing fire door, it is tightly sealed to make to prevent fire door, the air circulation of the fire door both sides is prevented in the separation, also can effectively avoid intensity of a fire or dense smoke to stretch fast, provide more sufficient time for rescuing.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improved generation is two to open and is prevented fire door, includes door frame (1), its characterized in that: the inboard rear end of door frame (1) is equipped with spacing frame (11), be equipped with two door leafs (2) in door frame (1), both ends all articulate through hinge (21) about two door leafs (2) on door frame (1), the centre of two door leafs (2) of opening is mutually opposed and is equipped with two sets of door handles (22), two door leafs (2) of opening are constituteed by two door plant (3) that mutually opposed set up, door plant (3) are equipped with semi-ring recess (311) including mainboard (31) on the lateral wall of mainboard (31), mainboard (31) are kept away from the one end of semi-ring recess (311) is equipped with extension board (32), extension board (32) with mainboard (31) do not be equipped with preceding recess (321) on the one side that flushes mutually, extension board (32) are kept away from the one end of mainboard (31) is equipped with side recess (322), semi-ring recess (311) have been opened, Preceding recess (321) and all be equipped with intumescent flame retardant (33) in side recess (322), mainboard (31) are gone up from last observation window (34) and lower observation window (35) of being equipped with down in proper order, go up observation window (34) with all be equipped with two-layer fire prevention glass (36) side by side in observation window (35) down.

2. The improved double-open fire door of claim 1, further comprising: the door frame (1) is in a right-angled inverted U shape, the limiting frame (11) and the door frame (1) are of an integrally formed structure, and the double-opening door leaf (2) is opened and closed in the direction away from the limiting frame (11).

3. The improved double-open fire door of claim 1, further comprising: one end, far away from the extension plate (32), of the door plate (3) is hinged to the door frame (1) through the hinge (21), and the door handle (22) is fixed to the front side wall and the rear side wall, close to one end of the extension plate (32), of the door plate (3) through screws.

4. The improved double-open fire door of claim 1, further comprising: the extension plate (32) and the main plate (31) are of an integrally formed structure, and the thickness of the extension plate (32) is half of that of the main plate (31).

5. The improved double-open fire door of claim 1, further comprising: the intumescent flame retardant (33) is fixedly filled in the semi-ring groove (311), and the thickness of the intumescent flame retardant (33) is smaller than or equal to the depth of the semi-ring groove (311).

6. The improved double-open fire door of claim 1, further comprising: when the double-opening door leaf (2) is in a closed state, the extending plates (32) of the two door panels (3) for forming the double-opening door leaf (2) are in clamping fit.

7. The improved double-open fire door of claim 1, further comprising: the upper observation window (34) is in the vertical direction, the lower observation window (35) is in the horizontal direction, and the upper observation window (34) and the lower observation window (35) are identical in structure.

8. The improved double-open fire door of claim 1, further comprising: the fireproof glass (36) is fixedly embedded in the upper observation window (34), and a gap is reserved between two layers of the fireproof glass (36) in the upper observation window (34).