CN220979284U - Fireproof door with good heat insulation performance - Google Patents

Abstract

The utility model discloses a fireproof door with good heat insulation, which relates to the technical field of fireproof doors.

Description

Fireproof door with good heat insulation performance

Technical Field

The utility model relates to the technical field of fireproof doors, in particular to a fireproof door with good heat insulation.

Background

The fireproof door is a door which can meet the requirements of fire resistance stability, integrity and heat insulation in a certain time, is a fireproof partition with certain fire resistance and is arranged among fireproof partitions, evacuation stairways, vertical shafts and the like, is specially used for isolating fire sources in houses and buildings, has a great effect on fire-fighting work, and can obtain escape opportunities through the fireproof door once a fire disaster occurs, so that personnel evacuation is ensured;

But the sealing performance of the existing most fireproof doors is poor, dense smoke still can be diffused through door gaps in fire, the smoke resistance performance is poor, and most fireproof doors are not provided with cooling mechanisms, so that the fire resistance time of the fireproof doors is still not ideal enough, the rescue time is shortened, the risk is increased, and therefore, the fireproof door with good heat insulation performance is provided.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide the fireproof door with good heat insulation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire door that thermal-insulated nature is good, includes the door frame, the door frame articulates through the hinge has the door leaf, the inside cavity of door leaf, the coating has fire-retardant layer on the lateral wall of door leaf, the inside fixedly connected with first insulating layer and the second insulating layer of door leaf, the one end fixedly connected with sideboard of door frame, fixedly connected with silica gel sealing strip on the lateral wall that the sideboard is close to the door leaf.

Preferably, the upper end fixedly connected with top box of door frame, the inside fixedly connected with first water pipe of top box, fixedly connected with second water pipe on the lateral wall of first water pipe, the one end that first water pipe was kept away from to the second water pipe runs through the lateral wall of top box, the lower extreme fixedly connected with a plurality of shower nozzles of first water pipe, and the diapire of top box is all run through to the lower extreme of a plurality of shower nozzles.

Preferably, a window frame is embedded in the side wall of the door leaf, and fireproof glass is fixedly connected to two ends of the window frame.

Preferably, the inside fixedly connected with support frame of door leaf, the support frame is assembled fixedly by a plurality of rectangle frames and a plurality of stiffener and forms.

Preferably, the flame retardant layer is a flame retardant.

Preferably, the first heat insulation layer is an asbestos board.

Preferably, the second heat insulation layer is an extruded sheet.

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

1. When the door leaf is closed, the silica gel sealing strip can seal the gap between the side rail and the door leaf, so that dense smoke can be prevented from diffusing through the gap between the door leaf and the door frame, the smoke resistance is effectively enhanced, and the silica gel sealing strip has excellent high temperature resistance;

2. When a fire disaster occurs, water can be injected into the second water pipe, water in the second water pipe reaches a plurality of spray heads through the first water pipe, and the heating surface of the door leaf is sprayed, so that the door leaf is effectively cooled, and the fire retarding time is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a window frame and fire resistant glass according to an embodiment of the utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with an embodiment of the present utility model;

Fig. 4 is a cross-sectional view of a top box according to an embodiment of the present utility model;

fig. 5 is a cross-sectional view of a support frame according to an embodiment of the present utility model.

In the figure: 1. a door frame; 2. a door leaf; 3. a flame retardant layer; 4. a first insulating layer; 5. a second insulating layer; 6. a sidebar; 7. a silica gel sealing strip; 8. a top box; 9. a first water pipe; 10. a second water pipe; 11. a spray head; 12. a window frame; 13. fireproof glass; 14. a support frame; 1401. a rectangular frame; 1402. and a reinforcing rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a fire door that thermal-insulated nature is good, includes door frame 1, door frame 1 articulates through the hinge has door leaf 2, the inside cavity of door leaf 2, the coating has fire-retardant layer 3 on the lateral wall of door leaf 2, fire-retardant layer 3 is the fire retardant, possesses better flame retardant efficiency, the inside fixedly connected with first insulating layer 4 of door leaf 2 and second insulating layer 5, first insulating layer 4 is the asbestos board, second insulating layer 5 is the extruded sheet, and asbestos board and extruded sheet all have more outstanding adiabatic, heat preservation, anti high pressure capacity for door leaf 2 has better heat blocking ability, the one end fixedly connected with side rail 6 of door frame 1, fixedly connected with silica gel sealing strip 7 on the lateral wall that side rail 6 is close to door leaf 2, like fig. 3, after door leaf 2 is closed, silica gel sealing strip 7 can block the gap between side rail 6 and the door leaf 2 to can avoid the cigarette to diffuse through the gap between door leaf 2 and the door frame 1, effectively strengthen the high temperature resistant ability that the silica gel possesses.

Specifically, the upper end fixedly connected with top box 8 of door frame 1, the inside fixedly connected with first water pipe 9 of top box 8, fixedly connected with second water pipe 10 on the lateral wall of first water pipe 9, first water pipe 9 and second water pipe 10 intercommunication each other, the one end that second water pipe 10 kept away from first water pipe 9 runs through the lateral wall of top box 8, like fig. 4, can be connected with second water pipe 10 and external water supply line, the lower extreme fixedly connected with a plurality of shower nozzles 11 of first water pipe 9, and the diapire of top box 8 is all run through to the lower extreme of a plurality of shower nozzles 11, like fig. 1, fig. 4, can be to the water injection in the second water pipe 10 when the conflagration takes place, and the water in the second water pipe 10 reachs a plurality of shower nozzles 11 department through first water pipe 9 to spray the heated face of door leaf 2, effectively cool down to door leaf 2, thereby lengthen the fire-stopping time.

Specifically, the side wall of the door leaf 2 is embedded with a window frame 12, and two ends of the window frame 12 are fixedly connected with fireproof glass 13, as shown in fig. 1 and 2, fire can be observed through the fireproof glass 13, and serious consequences caused by the fact that a door is opened in a trade is avoided.

Specifically, the support frame 14 is fixedly connected to the inside of the door leaf 2, and the support frame 14 is formed by assembling and fixing a plurality of rectangular frames 1401 and a plurality of reinforcing rods 1402, as shown in fig. 5, the support frame 14 can enhance the overall structural strength of the door leaf 2.

Working principle: the flame retardant layer 3 is a flame retardant, has a good flame retardant effect, the first heat insulation layer 4 is an asbestos board, the second heat insulation layer 5 is an extruded sheet, and the asbestos board and the extruded sheet have excellent heat insulation, heat preservation and high pressure resistance, so that the door leaf 2 has good heat resistance, as shown in fig. 3, after the door leaf 2 is closed, the silica gel sealing strip 7 can seal the gap between the side rail 6 and the door leaf 2, so that dense smoke can be prevented from diffusing through the gap between the door leaf 2 and the door frame 1, the smoke resistance is effectively enhanced, and the silica gel sealing strip 7 has excellent high temperature resistance;

As shown in fig. 1 and 4, when a fire disaster occurs, water can be injected into the second water pipe 10, and the water in the second water pipe 10 reaches the plurality of spray heads 11 through the first water pipe 9 and sprays the heating surface of the door leaf 2 to effectively cool the door leaf 2, so that the fire retarding time is prolonged.

It should be noted that: standard parts used in the document of the application can be purchased from the market, the specific connection modes of the parts are connected by adopting conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment are of conventional types in the prior art, so that specific description is not made here.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (7)

1. The utility model provides a fire door that thermal-insulated nature is good, includes door frame (1), characterized by: door frame (1) are articulated through the hinge have door leaf (2), the inside cavity of door leaf (2), the coating has fire-retardant layer (3) on the lateral wall of door leaf (2), the inside fixedly connected with first insulating layer (4) and second insulating layer (5) of door leaf (2), the one end fixedly connected with siderail (6) of door frame (1), fixedly connected with silica gel sealing strip (7) on the lateral wall that siderail (6) are close to door leaf (2).

2. The fire door with good heat insulation as set forth in claim 1, wherein: the top of door frame (1) fixedly connected with top box (8), the inside fixedly connected with first water pipe (9) of top box (8), fixedly connected with second water pipe (10) on the lateral wall of first water pipe (9), the lateral wall of top box (8) is run through to the one end that first water pipe (9) was kept away from to second water pipe (10), the lower extreme fixedly connected with of first water pipe (9) a plurality of shower nozzles (11), and the diapire of top box (8) is all run through to the lower extreme of a plurality of shower nozzles (11).

3. The fire door with good heat insulation as set forth in claim 1, wherein: the side wall of the door leaf (2) is embedded with a window frame (12), and two ends of the window frame (12) are fixedly connected with fireproof glass (13).

4. The fire door with good heat insulation as set forth in claim 1, wherein: the inside fixedly connected with support frame (14) of door leaf (2), support frame (14) are assembled fixedly by a plurality of rectangle frames (1401) and a plurality of stiffener (1402).

5. The fire door with good heat insulation as set forth in claim 1, wherein: the flame retardant layer (3) is a flame retardant.

6. The fire door with good heat insulation as set forth in claim 1, wherein: the first heat insulation layer (4) is an asbestos board.

7. The fire door with good heat insulation as set forth in claim 1, wherein: the second heat insulation layer (5) is an extruded sheet.