CN217735325U - Multi-layer composite fireproof door - Google Patents

Abstract

The utility model provides a multilayer composite fire door belongs to and prevents fire door technical field for solve the current relatively poor technical problem of fire door thermal-insulated effect of preventing. The door comprises a door frame, wherein the inner side of the door frame is hinged with a door body through a hinge, the door body is provided with a door lock, the door body comprises two door plates, a frame is fixed between the two door plates, a closed space is formed between the frame and the two door plates, the closed space is set to be in a vacuum state, one side of the frame is provided with a mounting box, and the other side of the frame is provided with a plurality of hinge grooves; the multilayer composite fireproof door can prevent flame from spreading to the other side of the safety door, and can isolate the temperature of the two sides of the safety door to prevent high-temperature burn; the sealed space can be pumped at any time, and the sealed space is ensured to be in a vacuum state; the two door plates are prevented from sinking towards the inner side of the closed space, so that the strength of the fireproof door is improved; the air pressure value of the closed space can be detected at any time, the closed space is ensured to be in a vacuum state, and the attractiveness of the fireproof door is not affected.

Description

Multi-layer composite fireproof door

Technical Field

The utility model belongs to the technical field of prevent fire door, a multilayer composite fire door is related to.

Background

The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fireproof partition with certain fire resistance arranged in a fireproof partition room, an evacuation staircase, a vertical shaft and the like.

The existing fireproof door is generally made of high-temperature-resistant materials, the fire is prevented from spreading, but the heat insulation effect is poor, the other side of the fireproof door still can feel high temperature, and the influence on a precise electric appliance on the other side of the fireproof door or a crowd avoiding a fire disaster can be caused, so that the safety performance of the fireproof door is reduced.

Based on this, we have designed a thermal-insulated effectual multilayer composite fire door.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, having proposed a multilayer composite fire door, the technical problem that the device will solve is: how to improve the heat insulation effect of the fireproof door.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a multilayer composite fireproof door, includes the door frame, the door frame inboard has a body through hinge joint, and installs the lock on the door body, and the door body includes two door plants, and the door plant adopts tantalum carbide alloy steel material, is fixed with the frame between two door plants, forms airtight space between frame and two door plants, and airtight space sets to vacuum state, and one side of frame is provided with the mounting box, and the lock is installed on the mounting box, and a plurality of hinge slots have been seted up to the frame opposite side.

The side end of the frame, which is close to the hinge groove, is provided with a groove, an air valve is arranged in the groove, and the end part of the air valve is communicated with the closed space.

Structure more than adopting, the inflating valve setting just is located the recess at the side, can not influence pleasing to the eye in the normal use of preventing fire door, and when catching fire, prevent that fire door from closing moreover, the door frame can stop the recess opening, prevents that the intensity of a fire from stretching to the inflating valve in, leads to airtight space to get into gas, loses thermal-insulated effect.

The groove is internally provided with a sliding groove, the sliding groove is internally provided with a cover plate in a sliding manner, and the cover plate is fixedly provided with a shifting piece.

By adopting the structure, when air needs to be pumped, the cover plate can slide upwards to expose the inflating valve, and when the air does not need to be used, the cover plate is covered, so that dust can be prevented from entering the inflating valve to cause corrosion, and the service life of the inflating valve is prolonged.

The inboard integrated into one piece of door plant has a plurality of strengthening ribs, and a plurality of strengthening ribs are equidistant to be distributed, has seted up a plurality of round holes on the strengthening rib, and the strengthening rib on two door plants aligns each other, and is fixed with heat insulating strip between two strengthening ribs, and heat insulating strip adopts the thermal-insulated cotton material of compound damping to make.

Structure more than adopting, the strengthening rib can increase the intensity of door plant, prevents that two door plants are sunken to airtight space inboard, still is provided with the heat insulating strip between two strengthening ribs, can further improve the support dynamics of strengthening rib, can not conduct the heat of two door plants moreover, when bleeding, the gas of each position can both be taken out from the inflating valve through the round hole between two door plants.

The side end of the frame close to the hinge groove is provided with a circular groove, and a vacuum barometer is arranged in the circular groove.

By adopting the structure, the vacuum barometer is arranged at the side end, the attractiveness of the fireproof door cannot be influenced, whether the airtight space inside the fireproof door leaks air or not can be conveniently checked, and the fireproof effect of the fireproof door is ensured.

Compared with the prior art, this multilayer composite fireproof door has following advantage:

1. through door plant, airtight space and frame, can enough prevent that flame from stretching to the emergency exit opposite side, can completely cut off the temperature of emergency exit both sides again, prevent the high temperature burn, improve the security performance of preventing fire door.

2. Through recess and inflating valve, can bleed to airtight space at any time, guarantee that airtight space is in the vacuum state, protect inflating valve through the apron, prevent inflating valve deposition.

3. Through strengthening rib and heat insulating strip, prevent that two door plants from sunken to airtight space inboard, can also improve thermal-insulated effect when improving fire door's intensity.

4. The vacuum barometer can detect the air pressure value of the closed space at any time, so that the closed space is ensured to be in a vacuum state, and the attractiveness of the fireproof door is not influenced.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the split structure of the middle door body of the present invention;

FIG. 3 is a schematic structural view of the interior of the groove of the present invention;

fig. 4 is a schematic structural diagram of the vacuum barometer of the present invention.

In the figure: 1. a door frame; 2. a door lock; 3. a door panel; 4. a frame; 5. mounting a box; 6. a hinge slot; 7. a groove; 8. an air valve; 9. a cover plate; 10. a shifting sheet; 11. a circular groove; 12. a vacuum barometer; 13. reinforcing ribs; 14. a circular hole; 15. and (4) a heat insulation strip.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, the present embodiment provides a multi-layer composite fire door, which includes a door frame 1, a door body is hinged to the inner side of the door frame 1 through a hinge, a door lock 2 is installed on the door body, the door body includes two door panels 3, the door panels 3 are made of tantalum carbide alloy steel, a frame 4 is fixed between the two door panels 3, a closed space is formed between the frame 4 and the two door panels 3, the closed space is set to be in a vacuum state, a mounting box 5 is installed on one side of the frame 4, the door lock 2 is installed on the mounting box 5, and a plurality of hinge slots 6 are formed in the other side of the frame 4.

A groove 7 is formed in the side end, close to the hinge groove 6, of the frame 4, an inflating valve 8 is arranged in the groove 7, and the end of the inflating valve 8 is communicated with the closed space; the setting of inflating valve 8 is in the side and is located recess 7, can not influence pleasing to the eye in the normal use of preventing fire door, and when catching fire, prevent that fire door from closing moreover, and door frame 1 can stop recess 7 openings, prevents that the intensity of a fire from stretching into inflating valve 8, leads to airtight space to get into gas, loses thermal-insulated effect.

A sliding groove is formed in the inner side of the groove 7, a cover plate 9 is arranged in the sliding groove in a sliding mode, and a shifting piece 10 is fixed on the cover plate 9; when needing to bleed, can upwards slide apron 9, expose inflating valve 8, when not needing to use, close apron 9 lid, can prevent that the dust from getting into inflating valve 8 and causing the corruption, increase inflating valve 8's life.

A plurality of reinforcing ribs 13 are integrally formed on the inner side of the door panel 3, the reinforcing ribs 13 are distributed at equal intervals, a plurality of round holes 14 are formed in the reinforcing ribs 13, the reinforcing ribs 13 on the two door panels 3 are aligned with each other, a heat insulation strip 15 is fixed between the two reinforcing ribs 13, and the heat insulation strip 15 is made of composite damping heat insulation cotton; the strengthening rib 13 can increase door plant 3's intensity, prevents that two door plants 3 are sunken to airtight space inboard, still is provided with heat insulating strip 15 between two strengthening ribs 13, can further improve the support dynamics of strengthening rib 13, can not conduct the heat of two door plants 3 moreover, and when bleeding, the gas of each position can both be taken out from inflating valve 8 through round hole 14 between two door plants 3.

A circular groove 11 is formed in the side end, close to the hinge groove 6, of the frame 4, and a vacuum barometer 12 is arranged in the circular groove 11; the vacuum barometer 12 is arranged at the side end, so that the attractiveness of the fireproof door is not affected, whether the airtight space inside the fireproof door leaks air or not is conveniently checked, and the fireproof effect of the fireproof door is ensured.

In the present embodiment, the fixing means are all the most commonly used fixing connection means in the field, such as welding, bolt connection, etc.

The utility model discloses a theory of operation:

when the conflagration breaing out, prevent fire door one side and catch fire, this side door board 3 can prevent that flame from stretching to prevent fire door opposite side, and the temperature of flame is when transmitting to airtight space, airtight space inner space is in the vacuum state, reduce the heat transfer, can improve thermal-insulated effect, further increase prevents fire door's performance, and strengthening rib 13 and heat insulating strip 15 can effectively increase door board 3's intensity, prevent that door board 3 is sunken to airtight space inboard, in daily use, can pass through vacuum barometer 12, judge whether airtight space is in the vacuum state, ensure fire door's fire prevention effect, when airtight space is gaseous for a long time infiltration, accessible inflating valve 8 is bled, and inflating valve 8 receives the protection of apron 9, and long service life, in addition, vacuum barometer 12 and inflating valve 8 all set up the side at frame 4, do not influence fire door's pleasing to the eye degree.

In conclusion, the door plate 3, the closed space and the frame 4 can prevent flame from spreading to the other side of the safety door, isolate the temperatures of the two sides of the safety door, prevent high-temperature burn and improve the safety performance of the fire door; the air can be exhausted at any time through the groove 7 and the inflating valve 8, the airtight space is ensured to be in a vacuum state, and the inflating valve 8 is protected through the cover plate 9, so that the dust accumulation of the inflating valve 8 is prevented; the two door panels 3 are prevented from sinking towards the inner side of the closed space through the reinforcing ribs 13 and the heat insulation strips 15, so that the strength of the fireproof door is improved, and the heat insulation effect can be improved; the vacuum barometer 12 can detect the air pressure value of the closed space at any time, so as to ensure that the closed space is in a vacuum state and the attractiveness of the fireproof door is not affected.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (5)

1. The utility model provides a compound fire door that prevents of multilayer, includes door frame (1), a serial communication port, door frame (1) inboard has the door body through hinge joint, and install lock (2) on the door body, the door body includes two door plant (3), door plant (3) adopt tantalum carbide alloy steel material, be fixed with between two door plant (3) frame (4), form airtight space between frame (4) and two door plant (3), and airtight space sets to vacuum state, one side of frame (4) is provided with mounting box (5), install on mounting box (5) lock (2), a plurality of hinge slot (6) have been seted up to frame (4) opposite side.

2. The multi-layer composite fire door according to claim 1, wherein a groove (7) is formed in a side end, close to the hinge groove (6), of the frame (4), an air valve (8) is arranged in the groove (7), and an end portion of the air valve (8) is communicated with the closed space.

3. The fire door as claimed in claim 2, wherein a sliding groove is formed inside the groove (7), a cover plate (9) is slidably disposed in the sliding groove, and a shifting piece (10) is fixed on the cover plate (9).

4. The multi-layer composite fire door as claimed in claim 1, wherein a plurality of reinforcing ribs (13) are integrally formed on the inner side of the door panels (3), the reinforcing ribs (13) are distributed at equal intervals, a plurality of round holes (14) are formed in the reinforcing ribs (13), the reinforcing ribs (13) on the two door panels (3) are aligned with each other, a heat insulating strip (15) is fixed between the two reinforcing ribs (13), and the heat insulating strip (15) is made of composite damping heat insulating cotton material.

5. The fire door as claimed in claim 1, wherein a circular groove (11) is formed in the side end of the frame (4) close to the hinge groove (6), and a vacuum pressure gauge (12) is arranged in the circular groove (11).

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