CN205477244U - Biparting steel fireproof wooden door - Google Patents

Abstract

The utility model provides a biparting steel fireproof wooden door belongs to and prevents the fire door field, including two door leafs, the door leaf includes inlayer and skin, outer parcel is in outside the inlayer, the outer liu an three -ply board that is, the inlayer includes fireproof door core board and inorganic PLASTIC LAMINATED, inorganic PLASTIC LAMINATED with fireproof door core board fixed connection. The utility model provides a biparting steel fireproof wooden door is outer just to use the liu an three -ply board, and the inlayer comprises inorganic PLASTIC LAMINATED and fireproof door core board jointly, and inorganic PLASTIC LAMINATED aerated concrete is the inorganic matter, can not burn, also can not produce harmful gas in addition under high temperature, and simultaneously, aerated concrete coefficient of heat conductivity is very little, and this makes the thermophoresis slow, can effectively resist the conflagration to protect its structure not influenced by the conflagration, fireproof door core board has good heat stability, and both material complement each other can effectively avoid stretching of the intensity of a fire.

Description

Double leaf steel wood fire door

technical field

The utility model relates to the field of fire doors, in particular to a double steel and wood fire door.

Background technique

Generally, fire doors are widely used in many fields such as residential houses, ships, buildings, chemicals, and mechanical engineering. Fire doors refer to doors with fire-resistant properties, which buy time for people to escape from the fire in the event of a fire, prevent the spread of fire, delay the spread of fire, and be fire-resistant for a certain period of time. Therefore, fire doors play a vital role in the event of a fire. The fire performance of metal doors is one of the concerns of people. The existing metal door has single function and poor fire performance.

Utility model content

The purpose of the utility model is to provide a double-leaf steel and wood fireproof door to improve the problem of poor fireproof performance of the existing fireproof door.

The utility model is achieved in that:

Based on the above purpose, the utility model provides a double-leaf steel and wood fireproof door, which includes two door leaves, the door leaf includes an inner layer and an outer layer, the outer layer is wrapped outside the inner layer, and the outer layer is For the Eucalyptus plywood, the inner layer includes a fireproof door core board and an inorganic fireproof board, and the inorganic fireproof board is fixedly connected with the fireproof door core board.

The outer layer of the double-leaf steel and wooden fireproof door provided by the utility model uses eucalyptus three-plywood, and the inner layer is composed of an inorganic fireproof board and a fireproof door core board. The inorganic fireproof board aerated concrete is inorganic and will not burn. No harmful gas will be produced at high temperature. At the same time, the thermal conductivity of aerated concrete is very small, which makes the heat migration slow, can effectively resist fire, and protect its structure from fire; the fire door core board has excellent thermal stability, The two materials complement each other and can effectively prevent the spread of fire.

Further, the door leaf also includes a protective layer wrapped around the outer surface of the outer layer.

Fire doors are generally not used, and only when a fire breaks out can it reflect its excellent performance. In normal times, fire doors are always exposed to the air, and they are easy to be corroded for a long time. Set a layer on the surface of the fire door After the protective layer, it can effectively increase the service life of the fire door.

Further, the protective layer is a PVC film.

PVC material has a wide range of uses, good processing performance, low manufacturing cost, corrosion resistance, insulation and other good characteristics. The protective layer uses PVC film to save costs on the basis of protecting the fire door from attachment.

Further, the double-leaf steel and wood fire door also includes a movable lock, and the movable lock includes two slats, one end of one slat is hinged on the door frame, and the other end of the slat is connected to the other. One end of the lath is connected by a bolt, and the other end of the other lath is hinged to the door leaf.

Sometimes the fire door needs to be fixed when it is opened at a certain angle or fully opened. Therefore, a movable lock can also be installed on the double-leaf steel fire door. Turn the door leaf. When the door leaf turns to a suitable angle, tighten the bolts. The relative position of the slats is then fixed, thereby also fixing the position of the door leaf. The movable lock can fix the door leaf at various angles, so that the opening degree of the door leaf can meet various situations.

Further, the inner layer includes two parts, namely an outer ring and an inner ring, the inner ring is embedded in the outer ring, the inner ring is a fire door core board, and the outer ring is the inorganic fireproof board .

After the inner layer is divided into an inner ring and an outer ring, the heat insulation effect of the door leaf is more prominent, and the fire is further restricted.

Further, the inner layer also includes a flame-retardant fir skeleton, and the flame-retardant fir skeleton is arranged in the fire-resistant inorganic door panel.

The flame-retardant fir skeleton has good environmental protection performance, good heat insulation effect, and can also isolate noise. After setting the flame-retardant fir skeleton in the fire-resistant inorganic door panel, it can further prevent the spread of fire.

Further, the inner layer also includes a fireproof expansion seal, the fireproof expansion seal is arranged on both sides of the length direction of the fire door core plate, and the fireproof expansion seal is located between the fire door core plate and the fire door core plate. Between the three plywoods of the meranti.

When encountering a sudden fire, the inner fire door core board may expand due to high temperature, causing a gap in the fire door, and the fire may spread from this gap to the outside. The fireproof expansion seal can expand when the fire door core board expands. The fire door is still in a closed state, which can effectively prevent the spread of fire.

Further, the two sides of the fire door core board in the length direction are respectively provided with grooves, the grooves are recessed from the side of the fire door core board toward the interior of the fire door core board, and the grooves are along the The fireproof door core board extends in the length direction, and the fireproof expansion seal is arranged in the groove.

The groove can fix the fireproof expansion seal more stably, preventing the fireproof expansion seal from shifting when the fire door core board expands.

Further, the door leaf also includes fireproof glue, and the fireproof glue is evenly applied on the surface of the inner layer, so that the fireproof glue is located between the inner layer and the outer layer, and the inner layer and the outer layer The outer layer is fixedly connected by the fireproof glue.

Ordinary glue will burn together after being exposed to fire, but fireproof glue will not burn after encountering fire, and can tightly glue the inner and outer layers of the fire door together to prevent the spread of fire.

Further, the door leaf is also provided with a fireproof lock.

The fire door does not need to be locked or opened, it can prevent theft and can be freely entered and exited, providing 24-hour security protection every day.

Compared with the prior art, the beneficial effects realized by the utility model are:

The outer layer of the double-leaf steel and wooden fireproof door provided by the utility model uses eucalyptus three-plywood, and the inner layer is composed of an inorganic fireproof board and a fireproof door core board. The inorganic fireproof board aerated concrete is inorganic and will not burn. No harmful gas will be produced at high temperature. At the same time, the thermal conductivity of aerated concrete is very small, which makes the heat migration slow, can effectively resist fire, and protect its structure from fire; the fire door core board has excellent thermal stability, The two materials complement each other and can effectively prevent the spread of fire.

Description of drawings

Fig. 1 shows the schematic diagram of the double-leaf steel wood fire door provided by the utility model;

Fig. 2 shows the top sectional view of the double-leaf steel wood fire door provided by the utility model;

Fig. 3 shows the side sectional view of the double-leaf steel wood fire door provided by the utility model;

Fig. 4 shows the schematic diagram of the fireproof lock of the double-leaf steel wooden fireproof door provided by the utility model;

Fig. 5 shows the top view when the double-leaf steel and wood fire door provided by the utility model is closed;

Fig. 6 shows a top view of the double-leaf steel and wood fire door provided by the present invention when it is opened.

In the picture:

Door frame 101; door leaf 102; outer layer 103; inner layer 104; movable lock 105; fixed lock 106; fireproof lock 107;

detailed description

Generally, fire doors are widely used in many fields such as residential houses, ships, buildings, chemicals, and mechanical engineering. Fire doors refer to doors with fire-resistant properties, which buy time for people to escape from the fire in the event of a fire, prevent the spread of fire, delay the spread of fire, and be fire-resistant for a certain period of time. Therefore, fire doors play a vital role in the event of a fire. The fire performance of metal doors is one of the concerns of people. The existing metal door has single function and poor fire performance.

In order to improve the above problems, the utility model provides a double-leaf steel wood fire door, which includes two door leaves, the door leaves include an inner layer and an outer layer, and the outer layer is wrapped in the inner layer. Outside the layer, the outer layer is eucalyptus plywood, the inner layer includes a fire door core board and an inorganic fire board, and the inorganic fire board is fixedly connected to the fire door core board. The outer layer of the double-leaf steel and wooden fireproof door provided by the utility model uses eucalyptus three-plywood, and the inner layer is composed of an inorganic fireproof board and a fireproof door core board. The inorganic fireproof board aerated concrete is inorganic and will not burn. No harmful gas will be produced at high temperature. At the same time, the thermal conductivity of aerated concrete is very small, which makes the heat migration slow, can effectively resist fire, and protect its structure from fire; the fire door core board has excellent thermal stability, The two materials complement each other and can effectively prevent the spread of fire.

The utility model will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model have been clearly and completely described above in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the utility model is used. It is only for the convenience of describing the utility model and simplifying the description, rather than Any indication or implication that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Referring to Fig. 1 to Fig. 4, the outer layer 103 of the double-leaf steel and wooden fireproof door provided by the utility model is made of eucalyptus three-plywood, and the inner layer 104 is composed of an inorganic fireproof board 109 and a fireproof door core board. The inner layer of the door leaf 102 is It can be divided into two layers, namely the inner ring and the outer ring, the outer ring is wrapped outside the inner ring, the inner ring can be made of fire door core board, the outer ring can be made of inorganic fireproof board 109, and the inner layer is made of inorganic The fireproof board 109 and the core board of the fireproof door are composed together. The inorganic fireproof board 109 aerated concrete is inorganic and will not burn, and will not produce harmful gas at high temperature. At the same time, the thermal conductivity of aerated concrete is very small, which makes the heat It migrates slowly, can effectively resist fire, and protect its structure from fire; the fire door core board has excellent thermal stability, and the two materials complement each other, which can effectively prevent the spread of fire.

The inner layer 104 and the outer layer 103 can be bonded together with fireproof glue. Ordinary glue will burn together after being exposed to fire, but fireproof glue will not burn after encountering fire, and can bind the inner layer 104 and the outer layer of the fireproof door together. Layers 103 are tightly glued together to prevent the spread of fire.

The outer ring of the inner layer can be divided into three layers from one side of the door leaf to the other. The outer two layers are inorganic fireproof boards 109, and the middle layer can use flame-retardant fir bone 110. The flame-retardant fir frame has good environmental performance , the heat insulation effect is good, and it can also isolate the noise at the same time. After setting the flame-retardant fir skeleton in the fire-proof inorganic door panel, it can further prevent the spread of the fire.

Due to the principle of thermal expansion and contraction, in the event of a fire, the fire door core board will expand after being heated. If the fire door core board expands, it is likely to destroy the existing structure of the door leaf 102, causing gaps in the double-leaf steel and wood fire door, causing fire Leakage may even have serious consequences. Therefore, the inner layer 104 of the door leaf 102 can also be provided with a groove, and the groove is recessed from the side of the inner layer 104 to the inside of the inner layer 104, and the groove can extend along the length direction of the inner layer 104, or multiple The grooves, a plurality of grooves respectively extend along the thickness direction of the inner layer 104 , of course, the grooves may be arranged at other positions of the inner layer 104 . A fireproof expansion seal 108 can be arranged in the groove. The fireproof expansion seal 108 is made of a special material, basically not deformed after being heated, and will be compressed and deformed when subjected to pressure. Therefore, after the fireproof door core board is heated and expanded, it will seal the fireproof expansion Part 108 is compressed, so that it is guaranteed that the fire door core board will not destroy the basic structure of the door leaf when heated and expanded, and the double-leaf steel fire door is still in a closed state, which can effectively prevent the spread of the fire.

The door leaf 102 can be directly installed on the body of wall, but the installation cost is higher like this, and the effect is not good, so a door frame 101 can be set again, the door leaf 102 is installed in the door frame 101, and the door frame 101 is installed on the body of wall again, like this It can not only save the cost, but also significantly improve the fire prevention effect of the double-leaf steel wood fire door.

A fireproof expansion seal 108 may also be provided between the door leaf 102 and the door frame 101 to prevent the fire door from being opened due to deformation of the door leaf 102 .

Fire doors are generally not used, and only when a fire breaks out can it reflect its excellent performance. In normal times, fire doors are always exposed to the air, and they are easy to be corroded for a long time. Set a layer on the surface of the fire door After the protective layer, it can effectively increase the service life of the fire door.

The protective layer can be made of PVC film. PVC material has a wide range of uses, good processing performance, low manufacturing cost, corrosion resistance, insulation and other good characteristics. The protective layer uses PVC film to save costs on the basis of protecting the fire door from attachment.

The fire door is open most of the time, but sometimes it is also closed. Therefore, a fireproof lock 107 can also be installed on the door leaf 102. The fireproof lock 107 is provided with an organic fireproof blocking material 111, so that when a fire occurs and the fireproof When the door is in a closed state, the fire will not destroy the fire lock 107. If the fire lock 107 can work normally, the people in the house can open the fire door through the fire lock 107 in time, then rush out, and then close the fire door , Evacuate the fire scene in time. After the fire is under control, the ambulance personnel can open the fire door through the fire lock 107 to handle the fire scene.

A fixed lock 106 can also be installed on the double-leaf steel wood fire door. The fixed lock 106 includes a lock head provided with a dead bolt and a lock chamber for accommodating the dead bolt. The lock head is fixedly installed on the door leaf 102, and the lock chamber is fixedly installed At the position corresponding to it on the door frame 101, the lock head can be installed on the top of the door leaf 102. After the dead bolt stretches out, it can stretch out from the top surface of the door leaf 102 and stretch into the lock cavity, and the door leaf 102 is locked. Can not rotate, after dead bolt got back in the lock end, door leaf 102 just can rotate freely. Door leaf 102 needs to open one sometimes, closes one, just can realize this state after this fixed lock 106 is installed. A fixed lock 106 can also be set at the bottom of the door leaf 102, and of course, it is also possible to set more fixed locks 106 on the door leaf 102.

Sometimes the fire door needs to be fixed when it is opened at a certain angle or fully opened, so a movable lock 105 can also be installed on the double-leaf steel and wood fireproof door. , the other slat is hinged on the door leaf 102, and the two slats are connected by bolts. When the door leaf 102 rotates, the two slats also rotate accordingly. When the two slats are fixed to each other and maintain the relative position , the two door leaves 102 are also fixed and cannot be rotated, so this movable lock 105 can be used to control the opening angle of the fire door. Rotate door leaf 102, after door leaf 102 rotates to suitable angle, bolt is tightened, at this moment the relative position of two with lath just is fixed, thereby also the position of door leaf 102 is fixed.

To sum up, the outer layer of the double-leaf steel and wood fireproof door provided by the utility model uses eucalyptus three-plywood, and the inner layer is composed of an inorganic fireproof board and a fireproof door core board. The inorganic fireproof board aerated concrete is an inorganic substance. It will burn, and it will not produce harmful gases at high temperatures. At the same time, the thermal conductivity of aerated concrete is very small, which makes the heat transfer slow, can effectively resist fire, and protect its structure from fire; the fire door core board has excellent Excellent thermal stability, the two materials complement each other, which can effectively prevent the spread of fire.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a biparting steel fire-proof wooden door, it is characterised in that include two door leafs, institute Stating door leaf and include internal layer and outer layer, described outer layer covers is outside described internal layer, and described outer layer is Liu An three-ply board, described internal layer includes anti-fire door core board and inorganic fire-proof plate, described inorganic anti- Fire plate is fixing with described anti-fire door core board to be connected.

Biparting steel fire-proof wooden door the most according to claim 1, it is characterised in that Described door leaf also includes that protective layer, described protective layer are wrapped in the outer surface of described outer layer.

Biparting steel fire-proof wooden door the most according to claim 2, it is characterised in that Described protective layer is PVC film.

Biparting steel fire-proof wooden door the most according to claim 3, it is characterised in that Described biparting steel fire-proof wooden door also includes that active lock, described active lock include two laths, One end of a piece described lath is hinged on doorframe, the other end of described lath with another with institute The one end stating lath is bolted, the other end of lath described in another root and described door leaf Hinged.

Biparting steel fire-proof wooden door the most according to claim 4, it is characterised in that Described internal layer includes two parts, respectively outer ring and inner ring, and described inner ring embeds described outer ring In, described inner ring is anti-fire door core board, and described outer ring is described inorganic fire-proof plate.

Biparting steel fire-proof wooden door the most according to claim 5, it is characterised in that Described internal layer also includes that fire-retardant Lignum seu Ramulus Cunninghamiae Lanceolatae skeleton, described fire-retardant Lignum seu Ramulus Cunninghamiae Lanceolatae skeleton are arranged on described fire prevention In inorganic door-plate.

7. according to the biparting steel fire-proof wooden door described in any one of claim 1 to 6, its Being characterised by, described internal layer also includes fireproof expansion seal part, described fireproof expansion seal part It is arranged on the both sides of the length direction of described anti-fire door core board, described fireproof expansion seal part position Between described anti-fire door core board and described Liu An three-ply board.

Biparting steel fire-proof wooden door the most according to claim 7, it is characterised in that The both sides of the length direction of described anti-fire door core board are respectively provided with fluted, and described groove is by institute The side stating anti-fire door core board is prevented along described to described anti-fire door core board sunken inside, described groove The length direction of vent central layer extends, and described fireproof expansion seal part is arranged in described groove.

Biparting steel fire-proof wooden door the most according to claim 8, it is characterised in that Described door leaf also includes glue of preventing fires, and described fire prevention glue spreads upon described internal layer uniformly Surface, make described Waterproof gum water level between described internal layer and described outer layer, described internal layer and Described outer layer is connected by described Waterproof gum hydropexis.

Biparting steel fire-proof wooden door the most according to claim 9, it is characterised in that It is additionally provided with Fire-proof lock on described door leaf.