CN211950216U

CN211950216U - Plastic-steel fire-resistant window

Info

Publication number: CN211950216U
Application number: CN202020086732.8U
Authority: CN
Inventors: 王兴虎
Original assignee: Chongqing Ming And De Doors And Windows Co ltd
Current assignee: Chongqing Ming And De Doors And Windows Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-17
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to a plastic steel fireproof window, which comprises a window frame, a sash frame and double-layer fireproof glass, wherein the sash frame is arranged in the window frame, the double-layer fireproof glass is arranged in the sash frame, the sash frame comprises a first fixing frame and a clamping frame for clamping the double-layer fireproof glass, the first fixing frame comprises a first middle frame, the window frame is internally provided with a first window frame heat insulation cavity, the middle frame heat insulation cavity in the middle is internally provided with a second support plate attached to the wall of the middle frame heat insulation cavity, the middle frame heat insulation cavity without the first support plate is internally provided with a fire-resistant expansion strip, the window frame is internally provided with a first window frame heat insulation cavity, and the first window frame heat insulation cavity is internally provided with a first support piece in a square tubular structure. The utility model discloses the relative preferred of fire resistance to can play certain separation effect to smog.

Description

Plastic-steel fire-resistant window

Technical Field

The utility model belongs to the technical field of building door and window's technique and specifically relates to a plastic steel fire resisting window is related to.

Background

At present, aluminum-wood composite doors and windows and pure wood doors and windows are commonly adopted for high-grade doors and windows in the building industry. Namely, the appearance is attractive, the sealing performance is better, the installation is convenient, and the building is favored by most builders. However, with the shortage of energy, the price of the energy is high, and the production cost of the door and window is greatly increased. Meanwhile, in the use process of pure wood doors and windows on the market, the outer sides of the doors and windows are often irradiated by sunlight, so that the doors and windows are easy to age and deform, the integral attractiveness is damaged, and the service life is shortened.

In the prior art, chinese patent with publication number CN203201389U discloses a high-performance plastic-steel thin wood composite door and window, which has the technical key points that: the glass window frame comprises a frame material, a sash material, a pressing line and glass, wherein the frame material and the sash material are respectively made of PVC (polyvinyl chloride) profiles; the inner side surface of the frame material chamber is covered with the frame veneer, two ends of the inner side of the aluminum frame material chamber are respectively provided with a first L-shaped convex strip, and two ends of the frame veneer are respectively covered on the outer surface of the first L-shaped convex strip; the indoor side surface of fan material covers to close and is equipped with fan veneer to the one end at the indoor side of fan material is provided with frame fan in the adhesive tape installing port, an end of fan veneer extends to cover closes the outside limit of frame fan in the adhesive tape installing port, frame fan in be provided with in the adhesive tape installing port frame fan the adhesive tape with a section of fan veneer hidden, the other end of the indoor side of fan material is provided with the line ball installing port, another end of fan veneer extends to cover and closes the line ball installing port, the line ball sets up in the profile installing port through the installation lug installation that sets up, and will fan another section of veneer hidden.

The above prior art solutions have the following drawbacks: the fire resistance of commonly used plastic steel is relatively poor, and when encountering a fire disaster, high temperature can make the plastic steel section bar soften, can lead to the plastic steel section bar to warp to frame material and fan material are softened in can making this technical scheme, lead to door and window can be by comparatively quick destruction, can not play the separation effect to flame and smog when encountering a fire disaster, and the result of use is not good relatively.

SUMMERY OF THE UTILITY MODEL

To overcome the disadvantages of the prior art, one of the objectives of the present invention is to provide a plastic-steel fire-resistant window with relatively better fire-resistant performance.

The above object of the present invention is achieved by the following technical solutions:

a plastic-steel fireproof window comprises a window frame, a sash frame and double-layer fireproof glass, wherein the sash frame is arranged in the window frame, the double-layer fireproof glass is arranged in the sash frame, the sash frame comprises a first fixing frame and a clamping frame used for clamping the double-layer fireproof glass, the first fixing frame comprises a first middle frame, a first connecting frame and a second connecting frame, the first connecting frame and the second connecting frame are respectively and integrally formed at two sides of one side edge of the first middle frame facing the outdoor, the clamping frame is clamped at one side edge of the first middle frame facing the indoor, the first clamping frame and the second connecting frame are positioned at one side of the first middle frame facing the center of the first middle frame, a first supporting plate with a U-shaped cross section is arranged between the first clamping frame and the first connecting frame, the edge of the double-layer fireproof glass is clamped in a U-shaped opening of the first supporting plate, a plurality of middle frame heat insulation cavities distributed along the indoor and outdoor directions are formed in the first middle frame, a second supporting plate attached to the, and a first fireproof expansion strip is arranged in the middle frame heat insulation cavity which is not provided with the second support plate, a first window frame heat insulation cavity is formed in the window frame, and a first support piece which is of a square tubular structure is arranged in the first window frame heat insulation cavity.

By adopting the technical scheme, when a fire disaster or a high temperature occurs, the fireproof performance of the support plate II is relatively better, and the middle frame I can be supported at the high temperature, so that the fireproof performance of the middle frame I can be effectively improved, and the support plate I can be still clamped between the clamping frame I and the connecting frame I; the first support plate can limit the double-layer refractory glass at high temperature so as to reduce the probability of separation of the double-layer refractory glass relative to the first middle frame due to high temperature; meanwhile, the fireproof expansion strip is arranged in the middle frame heat insulation cavity without the support plate II, when the fireproof expansion strip encounters high temperature, the fireproof expansion strip can be rapidly expanded to form a compact fireproof protection layer, a relatively good fireproof and smoke-proof effect can be achieved, the fireproof expansion strip has relatively good polymerization degree after being expanded and cannot be incinerated, a certain supporting effect can be further achieved on the middle frame I, and the fireproof performance of the fan frame is further improved; the first support piece arranged in the first window frame heat insulation cavity can support the window frame at high temperature, and the first support piece is of a square tubular structure, so that the strength of the first support piece is relatively better, the integrity of the window frame can be better kept, the fire resistance of the window frame is increased, the fire resistance of the double-layer fire-resistant glass is relatively better, and the heat transmitted by the double-layer fire-resistant glass can be relatively better reduced.

The present invention may be further configured in a preferred embodiment as: the first support plate and the second support plate are fixedly connected through a plurality of screws which are arranged along a non-straight line, and the cavity wall of the middle frame heat insulation cavity where the second support plate is located is clamped between the first support plate and the second support plate.

By adopting the technical scheme, the probability that the first support plate and the second support plate are separated from the first middle frame when high temperature or fire disasters happen can be reduced, and the first support plate and the second support plate can be used for better supporting the first middle frame, so that the fire resistance of the fan frame is further improved.

The present invention may be further configured in a preferred embodiment as: an inner cavity I, an inner cavity II and two inner cavities III are formed in the clamping frame, the connecting frame I and the connecting frame II respectively, fire-resistant expansion strips are also arranged in the inner cavity II and the inner cavity III, and a fire-resistant layer formed by fire-resistant pouring materials is filled in the inner cavity I.

By adopting the technical scheme, when a fire disaster or high temperature occurs, the fire-resistant layer can be relatively rapidly solidified, the clamping frame is supported in time, and the fire resistance of the clamping frame is improved; the fireproof expansion strips arranged in the second inner cavity and the third inner cavity can be rapidly expanded to form a compact fireproof protective layer, so that the fireproof performance of the first fixing frame is improved, the heat conductivity of the first fixing frame is reduced, and the effects of high temperature separation, fire prevention and smoke prevention are achieved.

The present invention may be further configured in a preferred embodiment as: a fireproof pad is arranged between the edge of the double-layer fireproof glass and the U-shaped bottom wall of the supporting plate, fireproof cotton slivers are arranged on the indoor side and the outdoor side of the double-layer fireproof glass respectively, and the fireproof cotton slivers are clamped between the supporting plate I and the double-layer fireproof glass.

By adopting the technical scheme, the fire-resistant pad can buffer the space between the edge of the double-layer fire-resistant glass and the first support plate under the condition of high temperature, can block the high temperature, and can reduce the heat conductivity coefficient of the gap between the edge of the double-layer fire-resistant glass and the first support plate so as to increase the fire resistance between the edge of the double-layer fire-resistant glass and the first support plate; simultaneously, the fireproof cotton sliver can buffer the double-layer fireproof glass towards the indoor side and the outdoor side and the supporting plate I, and can be sealed to a certain degree, so that high-temperature smoke passing through the double-layer fireproof glass edge and the supporting plate I is reduced, and the fireproof and smoke-proof effects are relatively better

The present invention may be further configured in a preferred embodiment as: the clamping frame and the first connecting frame are respectively provided with a first bayonet and a second bayonet, wherein the first bayonet and the second bayonet are C-shaped, the first bayonet and the second bayonet are respectively provided with a graphite expansion sealing strip, and the graphite expansion sealing strips are respectively abutted to one side of the opposite sides of the indoor and outdoor side of the double-layer fire-resistant glass.

Through adopting above-mentioned technical scheme, when meeting with conflagration or high temperature, graphite expansion sealing strip can be comparatively rapid inflation to block up double-deck fire-resistant glass and joint frame and the clearance between the connection frame one, in order to be used for separating fire and separate the cigarette, thereby further increase the fire prevention smoke protection performance between double-deck fire-resistant glass and joint frame and the connection frame one

The present invention may be further configured in a preferred embodiment as: the window frame includes frame and interior joint frame, interior joint frame is located the frame and moves towards indoor and its central one side, the thermal-insulated chamber of window frame sets up in the frame, the shaping has the inner chamber four that extends along its length direction in the interior joint frame, be provided with the fire-resistant expansion strip that extends along its extending direction in the inner chamber four equally.

Through adopting above-mentioned technical scheme, the fan frame passes through interior joint frame and connects in the window frame, and fire-resistant protection can be done to interior joint frame to fire-resistant expansion strip simultaneously to increase the refractiveness of interior joint frame.

The present invention may be further configured in a preferred embodiment as: the inner clamping frame and the two opposite sides of the connecting frame are respectively provided with a third bayonet and a fourth bayonet which are C-shaped, the three bayonet and the four bayonet are also clamped with graphite expansion sealing strips, and the two opposite sides of the two graphite expansion sealing strips in the three bayonet and the four bayonet are respectively abutted against the first middle frame and the frame.

Through adopting above-mentioned technical scheme, when meeting with conflagration or high temperature, graphite inflation sealing strip can expand, with the clearance between interior joint frame and the center and the clearance shutoff between connecting frame two and the frame, with reduce the flue gas and the flame that pass through from the clearance between interior joint frame and the center and the clearance between connecting frame two and the frame, with the fire prevention smoke protection performance that increases the clearance between interior joint frame and the center and the clearance between connecting frame two and the frame, can reduce the heat conductivity coefficient of the clearance between interior joint frame and the center and the clearance between connecting frame two and the frame simultaneously, make fire behavior better relatively.

The present invention may be further configured in a preferred embodiment as: frame and center one side in opposite directions are shaped respectively has bayonet socket five and bayonet socket six that are C form, be provided with the refractory alloy strip between frame and the center one, the cross-section of refractory alloy strip is I column structure and the both ends of its I joint respectively in bayonet socket five and bayonet socket six, the both ends of refractory alloy strip I are a plurality of metal post buckles that adopt refractory metal to make of fixedly connected with respectively, and are a plurality of metal post buckle wears to establish and the joint is located support piece one and backup pad two respectively.

Through adopting above-mentioned technical scheme, when using, the metal column buckle that adopts refractory metal to make and refractory alloy strip can do the connection to support piece one and backup pad two, and can make when lieing in high temperature and conflagration, can effectually reduce the probability that window frame and fan frame break away from mutually through metal column buckle and refractory alloy strip, make the fire prevention smoke protection effect that sets up the clearance between interior joint frame and center one and the graphite expansion sealing strip between joint frame two and the frame better, make the graphite expansion sealing strip of this department can be the shutoff to center frame and center one of preferred relatively, with the fire behavior between increase frame and center one.

The present invention may be further configured in a preferred embodiment as: and the inner walls of the first supporting piece and the second supporting piece are also provided with fireproof expansion strips.

Through adopting above-mentioned technical scheme, set up in the fire-resistant expansion strip of the inner wall of support piece one and backup pad two, can expand under high temperature and form fine and close high temperature inoxidizing coating to do certain high temperature protection to support piece one and backup pad two, increase the fire resistance of support piece one and backup pad two, the effectual support effect of optimizing support piece one and backup pad two under the high temperature.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when a fire disaster or a high temperature occurs, the fireproof performance of the second support plate is relatively better, and the first middle frame can be supported at the high temperature, so that the fireproof performance of the first middle frame can be effectively improved, and the first support plate can be still clamped between the clamping frame and the first connecting frame; the first support plate can limit the double-layer refractory glass at high temperature so as to reduce the probability of separation of the double-layer refractory glass relative to the first middle frame due to high temperature; meanwhile, the fireproof expansion strip is arranged in the middle frame heat insulation cavity without the support plate II, when the fireproof expansion strip encounters high temperature, the fireproof expansion strip can be rapidly expanded to form a compact fireproof protection layer, a relatively good fireproof and smoke-proof effect can be achieved, the fireproof expansion strip has relatively good polymerization degree after being expanded and cannot be incinerated, a certain supporting effect can be further achieved on the middle frame I, and the fireproof performance of the fan frame is further improved; the first support piece arranged in the first window frame heat insulation cavity can support the window frame at high temperature, and the first support piece is of a square tubular structure, so that the strength of the first support piece is relatively better, the integrity of the window frame can be better kept, the fire resistance of the window frame is increased, the fire resistance of the double-layer fire-resistant glass is relatively better, and the heat transmitted from the double-layer fire-resistant glass can be relatively better reduced;

2. the probability that the first support plate and the second support plate are separated from the first middle frame when high temperature or fire occurs can be effectively reduced through the first support plate and the second support plate which are connected through the plurality of non-linearly arranged screws, and the first support plate and the second support plate can be used for better supporting the first middle frame, so that the fire resistance of the fan frame is further improved;

3. when using, the metal column buckle that adopts refractory metal to make and refractory alloy strip can do the connection to support piece one and backup pad two, and can make when lieing in high temperature and conflagration, can effectually reduce the probability that window frame and fan frame break away from mutually through metal column buckle and refractory alloy strip, make the fire prevention smoke protection effect that sets up the clearance between interior joint frame and center one and the graphite expansion sealing strip between joint frame two and the frame better, make the graphite expansion sealing strip of this department can be the shutoff to frame and center one of preferred relatively, in order to increase the fire behavior between frame and the center one.

Drawings

Fig. 1 is a schematic overall structure diagram of the first embodiment.

Fig. 2 is a sectional view a-a of fig. 1, primarily for illustrating the structure of the window and sash frame profiles.

Fig. 3 is a cross-sectional view of a snap frame of an embodiment, which is mainly used for showing a profile structure of the snap frame.

Fig. 4 is a sectional structural view of the profile of the second embodiment, which is mainly used for showing the installation structure of the refractory alloy strip.

In the figure, 1, a window frame; 11. a first window frame heat insulation cavity; 111. a first support part; 12. a frame; 121. a fifth bayonet; 13. an inner clamping frame; 131. an inner cavity IV; 132. a third bayonet; 14. a refractory alloy strip; 141. a metal column buckle; 15. a second window frame heat insulation cavity; 2. a fan frame; 21. a first fixing frame; 211. a middle frame I; 2111. a sixth bayonet; 2112. the first connecting bayonet; 212. a first connecting frame; 2121. a second inner cavity; 2122. a second bayonet; 213. a second connecting frame; 2131. a third inner cavity; 2132. a bayonet IV; 214. a second support plate; 215. a refractory intumescent strip; 216. a first support plate; 217. a middle frame heat insulation cavity; 22. clamping the frame; 221. a first inner cavity; 2211. a refractory layer; 222. a first bayonet; 223. a graphite expansion seal strip; 224. connecting the clamping strips; 3. double-layer fire-resistant glass; 31. a refractory pad; 32. a fireproof cotton strip.

Detailed Description

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

Example one

Referring to fig. 1 and 2, for the utility model discloses a plastic steel fire resistant window, including window frame 1, fan frame 2 and double-deck fire resistant glass 3, double-deck fire resistant glass 3 sets up in fan frame 2, and fan frame 2 sets up in window frame 1. Wherein, the window frame 1 and the fan frame 2 are plastic steel frames.

The sash frame 2 comprises a first fixing frame 21 and a clamping frame 22 for clamping the double-layer fireproof glass 3, the first fixing frame 21 comprises a first middle frame 211, a first connecting frame 212 and a second connecting frame 213, the first connecting frame 212 and the second connecting frame 213 are integrally formed on the edge of the outdoor side of the first middle frame 211 respectively, and the first connecting frame 212 and the second connecting frame 213 are located on the side, facing the center of the first middle frame 211 and the side, facing away from the center of the first middle frame 211 respectively. The clamping frame 22 is positioned at the edge of the indoor side of the first middle frame 211, and the clamping frame 22 is positioned at the side of the first middle frame 211 facing the center of the fan frame 2.

So that the probability that the double-layer fire-resistant glass 3 falls off towards the outdoor side is reduced when high temperature or fire is encountered, thereby reducing the possibility of secondary damage to outdoor pedestrians.

Referring to fig. 2 and 3, a connection clip strip 224 is integrally formed on one side of the clip frame 22 away from the center thereof, a first connection clip 2112 with a C-shaped cross section is formed on one side edge of the middle frame 211 facing the clip frame 22, and the connection clip strip 224 is clipped in the first connection clip 2112.

The section of the connecting clamping strip 224 is L-shaped, the L-shaped horizontal portion of the connecting clamping strip 224 is clamped in the chamber wall of the outdoor side of the first connecting bayonet 2112, and the wall surface of the first clamping frame 22 facing the middle frame 211 abuts against the edge of the indoor side and the outdoor side of the first connecting bayonet 2112, so that the clamping frame 22 is clamped in the first middle frame 211.

A first support plate 216 with a U-shaped cross section is clamped between the clamping frame 22 and the first connecting frame 212, the U-shaped opening of the first support plate 216 faces one side of the center of the clamping frame 22, and the edge of the double-layer fire-resistant glass 3 is clamped in the U-shaped opening of the first support plate 216. The first support plate 216 is also clamped between the bayonet edge of the first connecting bayonet 2112 and the first connecting frame 212, and the first support plate 216 is a refractory alloy plate.

Referring to fig. 2 and 3, a plurality of middle frame heat insulation cavities 217 are formed in the middle frame one 211, and the plurality of middle frame heat insulation cavities 217 are arranged along the indoor and outdoor directions; meanwhile, a second support plate 214 is arranged in the middle of the first middle frame 211 in the middle of the heat insulation chamber 217. The second supporting plate 214 is a square tube structure and has an opening structure, and the second supporting plate 214 is opened towards the side away from the center of the first middle frame 211.

Wherein, a fireproof expansion strip 215 is arranged in the middle frame heat insulation cavity 217 without the support plate II 214, and the fireproof expansion strip 215 can be an expanded graphite strip.

A first window frame heat insulation cavity 11 is formed in the window frame 1, a first support piece 111 in a square tubular structure is arranged in the first window frame heat insulation cavity 11, and the first support piece 111 is a square tubular alloy pipe made of refractory alloy.

The inner walls of the first supporting piece 111 and the second supporting piece 214 are also provided with fireproof expansion strips 215 for performing certain high-temperature protection on the first supporting piece 111 and the second supporting piece 214, so that the fireproof performance of the first supporting piece 111 and the second supporting piece 214 is improved, and the supporting effect of the first supporting piece 111 and the second supporting piece 214 at high temperature is optimized.

When a fire or a high temperature occurs, the second support plate 214 has relatively better fire resistance, and can support the first middle frame 211 at the high temperature, so that the fire resistance of the first middle frame 211 can be effectively increased, and the first support plate 216 can still be clamped between the clamping frame 22 and the first connecting frame 212; the first support plate 216 can limit the double-layer refractory glass 3 at high temperature so as to reduce the probability of separation of the double-layer refractory glass 3 relative to the first middle frame 211 due to high temperature; meanwhile, the fireproof expansion strips 215 are arranged in the middle frame heat insulation cavity 217 without the support plate II 214, when the fireproof expansion strips 215 encounter high temperature, the fireproof expansion strips can be rapidly expanded to form a compact fireproof protection layer, so that a relatively good fireproof and smoke-proof effect can be achieved, the fireproof expansion strips 215 have relatively good polymerization degree after expansion and cannot be incinerated, a certain support effect can be further performed on the middle frame I211, and the fireproof performance of the fan frame 2 is further improved; the first support member 111 disposed in the first insulating cavity 11 of the window frame can support the window frame 1 at a high temperature, so as to maintain the integrity of the window frame 1, thereby increasing the fire resistance of the window frame 1, and the double-layer fire-resistant glass 3 has relatively better fire resistance, and can relatively better reduce the heat transferred from the double-layer fire-resistant glass 3.

Referring to fig. 2 and 3, the first support plate 216 and the second support plate 214 are fixedly connected by a plurality of screws arranged in a non-linear manner, so that the cavity wall of the middle frame insulating cavity 217 where the second support plate 214 is located is clamped between the first support plate 216 and the second support plate 214. So as to reduce the probability of the first support plate 216 and the second support plate 214 being separated from the first middle frame 211 when high temperature is encountered, and to make relatively better support for the first middle frame 211 through the first support plate 216 and the second support plate 214, so as to further increase the fire resistance of the fan frame 2.

The clamping frame 22, the first connecting frame 212 and the second connecting frame 213 are respectively provided with a first inner cavity 221, a second inner cavity 2121 and two third inner cavities 2131, and the second inner cavity 2121 and the third inner cavities 2131 are also internally provided with a fireproof expansion strip 215; the first inner cavity 221 is filled with a refractory layer 2211 formed by refractory pouring materials, wherein the refractory pouring materials of the refractory layer 2211 are inorganic nonmetallic compounds solidified in fire, and low-temperature refractory solidifying materials can be selected, for example, the patent number is ZL 201110157198. 0 low temperature curing of the potting compound.

When a fire disaster or high temperature occurs, the refractory layer 2211 can be relatively rapidly solidified, and the clamping frame 22 is supported in time, so that the refractory performance of the clamping frame 22 is improved; meanwhile, the fire-resistant expansion strips 215 arranged in the second inner cavity 2121 and the third inner cavity 2131 can be rapidly expanded to form a compact fire-resistant protection layer, so that the fire resistance of the first fixing frame 21 is improved, and high temperature, fire prevention and smoke prevention are realized.

Referring to fig. 2 and 3, a fire-resistant pad 31 is arranged between the edge of the double-layer fire-resistant glass 3 and the U-shaped bottom wall of the first support plate 216, fire-resistant tampons 32 are respectively arranged on two sides of the edge of the double-layer fire-resistant glass 3 facing the indoor and outdoor sides, and the fire-resistant tampons 32 are clamped between the inner wall of the first support plate 216 and the edge of the double-layer fire-resistant glass 3.

When a fire or high temperature occurs, the fire-resistant pad 31 can buffer the space between the edge of the double-layer fire-resistant glass 3 and the first support plate 216 under the condition of high temperature, and can block the high temperature, so that the heat conductivity coefficient of the gap between the edge of the double-layer fire-resistant glass 3 and the first support plate 216 is reduced, and the fire resistance between the edge of the double-layer fire-resistant glass 3 and the first support plate 216 is increased; meanwhile, the fireproof cotton strip 32 can buffer the double-layer fireproof glass 3 towards the indoor side and the outdoor side and the first supporting plate 216, and can be sealed to a certain extent, so that high-temperature smoke passing through the double-layer fireproof glass 3 between the edge and the first supporting plate 216 is reduced, and the fireproof and smoke-proof effects are relatively better.

Referring to fig. 2 and 3, in order to further increase the fire and smoke protection performance between the double-layer fire-resistant glass 3 and the clamping frame 22 and the first connecting frame 212, a first bayonet 222 and a second bayonet 2122 are respectively formed on the opposite sides of the clamping frame 22 and the first connecting frame 212, the first bayonet 222 and the second bayonet 2122 are oppositely opened, and the first bayonet 222 and the second bayonet 2122 respectively extend along the length of the clamping frame 22 and the first connecting frame 212. The first bayonet 222 and the second bayonet 2122 are respectively clamped with a graphite expansion sealing strip 223, and one opposite sides of the two graphite expansion sealing strips 223 are respectively abutted to the indoor and outdoor side plate surfaces of the double-layer fire-resistant glass 3.

So that when meeting with conflagration or high temperature, graphite expansion sealing strip 223 can be comparatively rapid inflation to block up the clearance between double-deck fire-resistant glass 3 and joint frame 22 and the connection frame 212, with being used for separating fire and separating the cigarette, the fire prevention smoke protection performance between effectual increase double-deck fire-resistant glass 3 and joint frame 22 and the connection frame 212.

Referring to fig. 2 and 3, the window frame 1 includes a side frame 12 and an inner fastening frame 13 integrally formed on the side frame 12, the inner fastening frame 13 is located at a side of the side frame 12 facing the indoor space and a center thereof, the first window frame heat insulation cavity 11 is disposed in the side frame 12, an inner cavity four 131 extending along a length direction of the inner fastening frame 13 is formed in the inner fastening frame 13, and a fire-resistant expansion strip 215 extending along an extending direction of the inner cavity four 131 is also disposed in the inner cavity four 131. To increase the fire resistance of the inner snap frame 13.

Two window frame heat-insulating cavities 15 are formed in the frame 12, the two window frame heat-insulating cavities 15 are respectively located on the indoor side and the outdoor side of the window frame heat-insulating cavity 11, and the fire-resistant expansion strips 215 are also arranged in the window frame heat-insulating cavities 15 so as to increase the fire resistance of the frame 12.

The opposite sides of the inner clamping frame 13 and the second connecting frame 213 are respectively formed with a C-shaped bayonet third 132 and a bayonet fourth 2132, the bayonet third 132 and the bayonet fourth 2132 are also clamped with a graphite expansion sealing strip 223, and the opposite sides of the two graphite expansion sealing strips 223 in the bayonet third 132 and the bayonet fourth 2132 are respectively abutted against the first middle frame 211 and the frame 12.

When a fire or a high temperature is encountered, the graphite expansion sealing strip 223 can expand to seal the gap between the inner clamping frame 13 and the first middle frame 211 and the gap between the second connecting frame 213 and the side frame 12, so as to reduce smoke and flame passing through the gap between the inner clamping frame 13 and the first middle frame 211 and the gap between the second connecting frame 213 and the side frame 12, and to increase the fireproof and smoke-proof performance of the gap between the inner clamping frame 13 and the first middle frame 211 and the gap between the second connecting frame 213 and the side frame 12.

Example two

Referring to fig. 4, the difference from the first embodiment is that a bayonet five 121 and a bayonet six 2111 with C-shaped cross sections are respectively formed on opposite sides of the frame 12 and the middle frame one 211, a refractory alloy strip 14 is arranged between the frame 12 and the middle frame one 211, the refractory alloy strip 14 extends along the length direction of the frame 12, the cross section of the refractory alloy strip 14 perpendicular to the length direction is i-shaped, and two ends of the i-shaped refractory alloy strip 14 are respectively clamped in the bayonet five 121 and the bayonet six 2111; the both ends of 14I-shaped of refractory alloy strip are a plurality of metal post buckles 141 that adopt refractory metal to make of fixedly connected with respectively, and a plurality of metal post buckles 141 distribute along the length direction of refractory alloy strip 14, and the joint end of a plurality of metal post buckles 141 wears to establish respectively and the joint in the face of support piece one 111 and the backup pad two 214 back of the body one side from.

When the fireproof window frame is used, the metal column buckle 141 and the fireproof alloy strip 14 which are made of fireproof metal can be used for connecting the first supporting piece 111 and the second supporting piece 214, the probability that the window frame 1 and the fan frame 2 are separated can be effectively reduced through the metal column buckle 141 and the fireproof alloy strip 14 when the fireproof window frame is in a high temperature state and in a fire disaster state, the fireproof and smoke-proof effects of the gap between the inner clamping frame 13 and the first middle frame 211 and the fireproof and smoke-proof effects of the graphite expansion sealing strip 223 between the second connecting frame 213 and the side frame 12 are better, and the graphite expansion sealing strip 223 at the position can better plug the side frame 12 and the first middle frame 211 relatively, so that the fireproof performance between the side frame 12 and the first middle frame 211 is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a fire-resistant window of plastic steel, includes window frame (1), fan frame (2) and double-deck fire resisting glass (3), fan frame (2) set up in window frame (1), double-deck fire resisting glass (3) set up in fan frame (2), its characterized in that: the fan frame (2) comprises a first fixing frame (21) and a clamping frame (22) used for clamping and connecting double-layer fire-resistant glass (3), the first fixing frame (21) comprises a first middle frame (211), a first connecting frame (212) and a second connecting frame (213), the first connecting frame (212) and the second connecting frame (213) are respectively integrally formed on two sides of the first middle frame (211) facing to an outdoor side edge, the clamping frame (22) is clamped on the first middle frame (211) facing to an indoor side edge, the clamping frame (22) and the first connecting frame (212) are located on one side of the first middle frame (211) facing to the center, a first supporting plate (216) with a U-shaped cross section is arranged between the clamping frame (22) and the first connecting frame (212), the edge of the double-layer fire-resistant glass (3) is clamped in a U-shaped opening of the first supporting plate (216), and a plurality of heat insulation cavities (217) of the middle frame are formed in the first middle frame (211) and distributed along the indoor direction of the middle frame, a second support plate (214) attached to the wall of the middle frame heat insulation cavity (217) is arranged in the middle heat insulation cavity (217), a fireproof expansion strip (215) is arranged in the middle frame heat insulation cavity (217) without the second support plate (214), a first window frame heat insulation cavity (11) is formed in the window frame (1), and a first support piece (111) in a square tubular structure is arranged in the first window frame heat insulation cavity (11).

2. The plastic-steel fire resistant window according to claim 1, wherein: the first support plate (216) and the second support plate (214) are fixedly connected through a plurality of screws which are arranged along a non-straight line, and the cavity wall of the middle frame heat insulation cavity (217) where the second support plate (214) is located is clamped between the first support plate (216) and the second support plate (214).

3. The plastic-steel fire resistant window according to claim 2, wherein: an inner cavity I (221), an inner cavity II (2121) and two inner cavities III (2131) are formed in the clamping frame (22), the connecting frame I (212) and the connecting frame II (213) respectively, a fireproof expansion strip (215) is also arranged in the inner cavity II (2121) and the inner cavity III (2131), and a fireproof layer (2211) formed by fireproof pouring materials is filled in the inner cavity I (221).

4. A fire resistant window made of plastic steel according to claim 3, wherein: a fireproof pad (31) is arranged between the edge of the double-layer fireproof glass (3) and the U-shaped bottom wall of the first support plate (216), fireproof cotton slivers (32) are respectively arranged on the indoor side and the outdoor side of the double-layer fireproof glass (3), and the fireproof cotton slivers (32) are clamped between the first support plate (216) and the double-layer fireproof glass (3).

5. The plastic-steel fire resistant window according to claim 4, wherein: one side in opposite directions of the clamping frame (22) and the connecting frame (212) is respectively provided with a first bayonet (222) and a second bayonet (2122) which are C-shaped, the first bayonet (222) and the second bayonet (2122) are respectively connected with a graphite expansion sealing strip (223), and the graphite expansion sealing strip (223) is respectively abutted against one side of the indoor and outdoor plate surfaces of the double-layer fire-resistant glass (3) in opposite directions.

6. The plastic-steel fire resistant window according to claim 5, wherein: the window frame (1) includes frame (12) and interior joint frame (13), interior joint frame (13) are located frame (12) and are towards indoor and its central one side, the window frame is thermal-insulated chamber one (11) and sets up in frame (12), the shaping has along the inner chamber four (131) of its length direction extension in interior joint frame (13), be provided with in the inner chamber four (131) refractory expansion strip (215) that extend along its extending direction equally.

7. The plastic-steel fire resistant window according to claim 6, wherein: the opposite sides of the inner clamping frame (13) and the second connecting frame (213) are respectively provided with a C-shaped bayonet third (132) and a C-shaped bayonet fourth (2132), the bayonet third (132) and the bayonet fourth (2132) are also clamped with graphite expansion sealing strips (223), and the opposite sides of the two graphite expansion sealing strips (223) in the bayonet third (132) and the bayonet fourth (2132) are respectively abutted against the first middle frame (211) and the frame (12).

8. The plastic-steel fire resistant window according to claim 7, wherein: frame (12) and middle frame one (211) one side in opposite directions are formed with five (121) of bayonet socket and six (2111) bayonet socket that are the C form respectively, be provided with refractory alloy strip (14) between frame (12) and middle frame one (211), the cross-section of refractory alloy strip (14) is I-shaped structure and the both ends of its I joint respectively in five (121) bayonet socket and six (2111) bayonet socket, the both ends of refractory alloy strip (14) I fixedly connected with a plurality of metal post buckles (141) that adopt refractory metal to make respectively, and is a plurality of metal post buckle (141) are worn to establish respectively and are connected in support piece one (111) and backup pad two (214).

9. The plastic-steel fire resistant window according to claim 7, wherein: the inner walls of the first supporting piece (111) and the second supporting piece (214) are also provided with fireproof expansion strips (215).