CN112112535A

CN112112535A - Plastic steel heat insulation fireproof window

Info

Publication number: CN112112535A
Application number: CN202011074165.5A
Authority: CN
Inventors: 褚飞飞; 付天佑
Original assignee: Anhui Zhongnan Fire Protection Technology Co ltd
Current assignee: Anhui Zhongnan Fire Protection Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2020-12-22

Abstract

The application relates to a plastic steel heat-insulation fireproof window, which comprises a window frame, a window sash and a window glass, wherein the window sash and the window glass are installed in the window frame, the window frame and the window sash are formed by splicing section material bodies, the section material body in the window frame is a first section material, the section material body in the window sash is a second section material, fireproof through grooves are formed in the end surfaces of the section material bodies, metal rod pieces penetrate through the fireproof through grooves, filling through grooves are formed in the end surfaces of the metal rod pieces, and thermal expansion materials are filled in the filling through grooves; the metal rod piece in the first section bar is a first rod piece, the metal rod piece in the second section bar is a second rod piece, gaps are arranged between the filling through groove in the first rod piece and the side edge of the first rod piece at intervals, the side surface of one side of the filling through groove in the second rod piece is superposed with the side surface of one side of the second rod piece, and the superposed side surface is the side surface of the second rod piece close to the adjacent first rod piece. The window glass has the advantages that the window glass installed in the window sash is not prone to toppling, and the effect of long fire-proof performance of the whole fire-proof window is guaranteed.

Description

Plastic steel heat insulation fireproof window

Technical Field

The application relates to the field of building door and window fire-resistant windows, in particular to a plastic steel heat-insulation fireproof window.

Background

A fire window is a window that provides access to a frame that meets fire resistance and integrity requirements over a period of time. Fire protection windows are often installed on two building exterior walls with insufficient fire protection spacing, and are also installed when lighting and ventilation are required between spaces separated by a fire protection wall. At present, the requirements on fire prevention and fire fighting of buildings are more and more strict, and the burning time of doors and windows is an important evaluation standard when the performance of fire-resistant windows of buildings is evaluated.

Current fire protection windows typically include a sash having a frame mounted within the frame, the sash typically being hingedly mounted within the frame. Due to the limitation of door and window materials, when a fire happens near a door or a window, the door and window materials are easy to deform and damage due to high temperature, so that the window sashes hinged and installed in the window frames are not stable enough. The window glass on the window sash is heavy, and if the window glass which has the main fire insulation effect falls off from the window sash, the fire resistance of the whole fire-proof window is seriously affected.

In view of the above-mentioned related art, the inventors believe that the current door and window materials are easily deformed after burning, resulting in a phenomenon in which the window glass installed in the window sash falls, and the fire-proof performance thereof is poor.

Disclosure of Invention

In order to solve the problems that the phenomenon that window glass installed in a window sash is inclined due to the fact that door and window materials are easy to deform after combustion and the fireproof performance of the window glass is poor, the plastic steel heat-insulation fireproof window is provided.

The application provides a thermal-insulated fire prevention window of plastic steel adopts following technical scheme:

a plastic steel heat insulation fireproof window comprises a window frame, window sashes and window glass, wherein the window sashes and the window glass are installed in the window frame, the window frame and the window sashes are formed by splicing section material bodies, the section material bodies in the window frame are first section materials, the section material bodies in the window sashes are second section materials, fireproof through grooves are formed in the end faces of the section material bodies, metal rod pieces penetrate through the fireproof through grooves, filling through grooves are formed in the end faces of the metal rod pieces, and thermal expansion materials are filled in the filling through grooves; the metal rod piece in the first section bar is a first rod piece, the metal rod piece in the second section bar is a second rod piece, gaps are arranged between the filling through groove in the first rod piece and the side edge of the first rod piece at intervals, the side surface of one side of the filling through groove in the second rod piece is superposed with the side surface of one side of the second rod piece, and the superposed side surface is the side surface of the second rod piece close to the adjacent first rod piece.

Through adopting above-mentioned technical scheme, all wear to be equipped with metal rod in the logical inslot of preventing fires of first section bar and second section bar. The metal rod in the first section bar is tubular, and the thermal expansion material filled in the metal rod is made of a mixture of perlite particles and polysilicone gel. When a fire disaster occurs, the thermal expansion material filled in the metal rod piece can be expanded by heating and tightly extrude the metal rod piece, so that the strength of the metal rod piece is increased, and the metal rod piece is not easy to bend and damage. The first section bar is effectively supported, so that the first section bar is stable in structure, the integrity of a window frame structure is protected, and the window frame structure arranged on a wall body is kept stable. And the metal member in the second section bar is the spout form, after meeting thermal expansion material thermal expansion, the volume increase preheat the expansion material and spill over from the opening that fills logical groove on the second member bar, because the lateral wall of second section bar is being heated the back, the phenomenon that softens can appear, consequently preheat the lateral wall that the expansion material can promote the second section bar, until with adjacent first section bar butt, fill the space between first section bar and the second section bar, space between window frame and the casement promptly, and preheat the expansion material and also promote the second section bar, thereby extrude the window glass in the second section bar, carry out the centre gripping to window glass, make window glass be difficult to empty, the fire behavior of whole fire window has effectively been improved.

Optionally, each lateral surface of the first rod piece is abutted against the inner side wall of the first section bar, each lateral surface of the second rod piece is abutted against the inner side wall of the second section bar, the side, close to the adjacent first section bar, of the second section bar is sunken to form a deformation groove, the central line of the deformation groove is parallel to the central line of the second rod piece, one side, far away from the first rod piece, of the deformation groove is embedded in the filling through groove of the second rod piece, and the deformation groove is abutted against the thermal expansion material in the second rod piece.

Through adopting above-mentioned technical scheme, sunken formation deformation groove on the second section bar, deformation groove is used for meeting thermal expansion material butt in with the second member, restricts the position of meeting thermal expansion material, makes and meets the thermal expansion material difficult follow and drop in the second member. And when meeting thermal expansion material inflation and jack-up second section bar lateral wall, the second section bar lateral wall is bigger because of being provided with the deformation groove, when being preheated expansion material jack-up, is difficult for appearing the phenomenon of rupture damage on the contrary, can be fine with first section bar butt.

Optionally, the side that first section bar and second section bar are close to each other on all fixed being provided with the overlap edge, overlap edge on the first section bar sets up along being close to outdoor side, overlap edge on the second section bar sets up along being close to indoor side, and the casement inlays when establishing in the window frame, overlap edge on the first section bar is close to outdoor side butt with the casement, overlap edge on the second section bar is close to indoor side butt with the window frame, the first PLASTIC LAMINATED of fixedly connected with on the side of overlap edge on the second section bar and the window frame butt.

Through adopting above-mentioned technical scheme, all be provided with the overlap edge on first section bar and second section bar, when closing the casement, overlap edge on the window frame is close to outdoor side butt with the casement, and overlap edge on the casement is close to indoor side butt with the casement. The sealing structure can seal the gap between the window frame and the window sash more simply and effectively, and the sealing effect between the window frame and the window sash is good. And fixed being provided with first PLASTIC LAMINATED on the second section bar, can making outdoor heat on fire difficult to ooze to indoor through the gap between first section bar and the second section bar when catching fire, slowed down the speed that indoor temperature risees, the fire prevention is respond well.

Optionally, a gap is formed between the window frame and the window sash, a first fireproof plate is installed in the gap, the first fireproof plate in the gap is fixedly installed on the second section bar, and one side of the first fireproof plate is abutted to the overlapping edge on the first section bar.

By adopting the technical scheme, the gap is formed between the window frame and the window sash, so that the window sash is easier to rotate and embed into the window frame. And through the first PLASTIC LAMINATED of installation in the space, the gap between overlap edge and the second section bar on the first section bar has been blockked to first PLASTIC LAMINATED, has further slowed down the speed that indoor temperature risees, and the fire prevention is respond well.

Optionally, the end face of the profile body is provided with a sealing through groove, the sealing through groove comprises a first through groove and a second through groove, the first through groove is formed in one side of the fireproof through groove, which is close to the outdoor side, and the second through groove is formed in one side of the fireproof through groove, which is close to the indoor side; fireproof expansion sealing elements are arranged in the first through groove and the second through groove; a second fireproof plate is further arranged in the second through groove in a penetrating mode, and the second fireproof plate is located in the second through groove and close to one side of the indoor space.

Through adopting above-mentioned technical scheme, seted up sealed logical groove on the section bar body, sealed logical groove has alleviateed the weight of section bar body, and wears to establish this internal fire prevention inflation sealing member of section bar and can play the auxiliary stay effect when the section bar body is heated. The fire-proof expansion sealing element can be selected from a fire-expansion rubber strip or a silicone fire-proof rubber strip, and is lighter in weight compared with an expansion material made of a mixture of perlite particles and polymerized silicon gel. It is when guaranteeing the intensity after whole section bar body meets the heat, has lightened the weight of section bar body as far as, and the workman of being convenient for installs this fire window on the wall body.

Optionally, window glass is installed in the window frame and the window sash, the profile bodies adjacent to the window glass in the window frame and the window sash are window profiles, a circle of embedded grooves are formed in the inner side surfaces of the window profiles, and the edges of the window glass are embedded in the embedded grooves; the fireproof cotton strip and the fireproof expansion sealing piece are embedded in the embedding groove, the fireproof cotton strip and the fireproof expansion sealing piece are arranged along the bottom surface of the embedding groove, and the fireproof cotton strip and the fireproof expansion sealing piece are located between the window glass and the bottom surface of the embedding groove.

Through adopting above-mentioned technical scheme, window glass installs and establishes the groove in inlaying, inlays and establishes the position that the groove can be fine restriction window glass. When a fire occurs, the volume of the fireproof expansion sealing piece is increased, and the fireproof expansion sealing piece and the fireproof cotton tightly clamp the window glass together, so that the window glass is clamped, the window glass is not easy to topple, and the fireproof performance of the whole fireproof window is effectively improved

Optionally, the side that the groove is close to outdoors is inlayed and is established the groove and be close to indoor side for outer clamping plate, inlay and establish the groove and be close to indoor side for interior clamping plate, outer clamping plate is close to outdoor side fixed the setting along the window section bar, has seted up interior clamping groove on the side that the window section bar is close to window glass, interior clamping groove is close to indoor side along the window section bar and has seted up, centre gripping inslot including one side detachable of interior clamping plate installs.

Through adopting above-mentioned technical scheme, the interior splint can be dismantled and install to dismantlement and installation window glass that can be convenient, its simple structure, the people of being convenient for assemble. And because one side of the inner clamping plate is embedded in the inner clamping groove, the inner clamping plate is not completely tightly attached to the window profile, and after the temperature of the window profile rises, the temperature of the inner clamping plate is lower than that of the window profile, so that the inner clamping plate is not easy to deform, and the inner clamping plate can stably clamp the window glass.

Optionally, the window glass comprises at least two layers of toughened glass, and fire-proof glue is filled between every two adjacent layers of toughened glass.

By adopting the technical scheme, the window glass comprises multiple layers of toughened glass, and the two adjacent layers of toughened glass are bonded through the fireproof glue. When the fireproof plate catches fire, the glass facing the fire surface is quickly burst when meeting high temperature, the fireproof glue in the middle is exposed, and the fireproof glue can be foamed and expanded after being heated to form a hard opaque bubble-shaped fireproof rubber plate, so that flame is effectively blocked, and high temperature and harmful gas are isolated. The flame is prevented from spreading and the high temperature conduction is also prevented. When a fire happens, indoor people are well protected.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the window glass arranged in the window sash is not easy to topple, and the long fire-proof performance of the whole window is ensured; 2. the strength of the whole profile body after being heated is ensured, the weight of the profile body is reduced as much as possible, and the profile body is easy to install.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a cross-sectional view a-a of fig. 1.

FIG. 3 is a cross-section of B-B in FIG. 1.

Description of reference numerals: 1. a window frame; 11. a first frame; 12. a second frame; 2. a window sash; 3. a profile body; 31. a fireproof through groove; 32. a metal rod member; 321. filling the through grooves; 33. a first profile; 34. a second profile; 341. a deformation groove; 35. a material that expands upon heating; 4. a window glass; 41. tempering the glass; 42. fireproof glue; 5. overlapping edges; 51. a first fire retardant panel; 52. a second fire retardant panel; 6. sealing the through groove; 61. a first through groove; 62. a second through groove; 63. a fire resistant intumescent seal; 7. a window profile; 71. an outer clamping plate; 72. an inner clamping plate; 73. an inner clamping groove; 74. embedding a groove; 75. a fireproof cotton strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a plastic steel heat insulation fireproof window. Referring to fig. 1 and 2, the plastic-steel heat-insulation fireproof window includes a window frame 1 and a window sash 2 installed in the window frame 1. The window frame 1 is divided into a first frame 11 and a second frame 12, the window sash 2 is hinged on the window frame 1, and the window sash 2 can be rotated and embedded in the first frame 11. The window frame 1 and the window sash 2 are formed by splicing the section bar bodies 3, the fireproof through grooves 31 are formed in the end faces of the section bar bodies 3, and the metal rod pieces 32 are arranged in the fireproof through grooves 31 in a penetrating mode. A window glass 4 is installed in each of the window sash 2 and the first frame 11.

Referring to fig. 1 and 2, the profile body 3 in the window frame 1 is a first profile 33, and the metal bar 32 in the first profile 33 is a first bar. The end surface of the first rod piece is provided with a filling through groove 321, and a gap is formed between the filling through groove 321 and the outer side surface of the first rod piece. The profile body 3 in the sash 2 is a second profile 34 and the metal bar 32 in the second profile 34 is a second bar. The end face of the second rod piece is also provided with a filling through groove 321, one side face of the filling through groove 321 is overlapped with the outer side face of the second rod piece, and the side face of the second rod piece, which is overlapped with the filling through groove 321, is an overlapped face. When the window sash 2 is embedded in the window frame 1, the overlapping surface is the side surface of the second rod piece close to the adjacent first rod piece. A deformed groove 341 is concavely formed on the surface of the second profile 34, the center line of the deformed groove 341 is parallel to the center line of the second bar, and the deformed groove 341 is provided on the side surface of the second profile 34 close to the overlapping surface. The filling through groove 321 is filled with a thermal expansion material 35 made of a mixture of perlite particles and silicone gel, and the bottom surface of the deformation groove 341 abuts against the thermal expansion material 35 in the second bar member.

Referring to fig. 1 and 2, the size of the window sash 2 is slightly smaller than that of the first frame 11. The overlapping sides 5 are integrally formed on the first profile 33 and the second profile 34 in the first frame 11, and the overlapping sides 5 are located on the sides of the first profile 33 and the second profile 34 that are close to each other. The overlapping edge 5 on the first section bar 33 is arranged along the side close to the outside and the overlapping edge 5 on the second section bar 34 is arranged along the side close to the inside. When the window sash 2 is embedded in the first frame 11, a gap is formed between the window sash 2 and the side wall of the first frame 11, the overlapping edge 5 on the first section bar 33 is abutted against the side face, close to the outdoor, of the window sash 2, and the overlapping edge 5 on the second section bar 34 is abutted against the side face, close to the indoor, of the first frame 11. Two first fireproof plates 51 are fixedly arranged on the second section bar 34, wherein one first fireproof plate 51 is fixedly arranged on the overlapping edge 5 on the second section bar 34 and is positioned on the side surface of the overlapping edge 5 abutting against the window frame 1; another first fire-resistant plate 51 is fixedly mounted on the side of the second profile 34 close to the first profile 33, and one side of the first fire-resistant plate 51 abuts against the overlapping edge 5 on the first profile 33. Because the size of the window sash 2 is smaller than that of the first frame 11, when the window sash 2 is embedded in the first frame 11, a gap is formed between the window sash 2 and the first frame 11, so that the window sash 2 is easier to rotate and be embedded in the first frame 11. And through installing two first PLASTIC LAMINATED 51 in the space, make the heat of outdoor fire difficult to ooze to indoor through the gap between first section bar 33 and the second section bar 34, slowed down the speed that indoor temperature rose, the fire prevention is respond well.

Referring to fig. 2 and 3, a sealed through groove 6 has been provided on the end face of the profile body 3, the sealed through groove 6 includes a first through groove 61 and a second through groove 62, the first through groove 61 is provided on one side of the fireproof through groove 31 close to the outdoor, and the second through groove 62 is provided on one side of the fireproof through groove 31 close to the indoor. The cross section of the second through groove 62 is larger than that of the first through groove 61, the fireproof expansion sealing element 63 penetrates through the first through groove 61, the fireproof expansion sealing element 63 and the second fireproof plate 52 penetrate through the second through groove 62, and the second fireproof plate 52 in the second through groove 62 is located on one side, away from the first through groove 61, of the fireproof expansion sealing element 63. The fire-proof expansion sealing element 63 is made of a fire-proof expansion adhesive tape or a silicone fire-proof adhesive 42 strip. Through set up sealed logical groove 6 on section bar body 3, effectively alleviateed section bar body 3's weight, and wear to establish the fire prevention inflation sealing member 63 in section bar body 3 and can play the auxiliary stay effect when section bar body 3 is heated. The fire prevention inflation sealing member 63's weight is lighter, can be when guaranteeing the intensity after whole section bar body 3 meets heat, alleviates section bar body 3's weight, and the workman of being convenient for installs this fire window on the wall body.

With reference to fig. 2 and 3, in both the second frame 12 and the sash 2, a window pane 4 is mounted, the profile body 3 adjacent to the window pane 4 being referred to as window profile 7. An outer clamping plate 71 and an inner clamping plate 72 are arranged on the side of the window profile 7 adjacent to the pane 4. The outer clamping plate 71 is integrally formed on the window profile 7 and is arranged along the side of the window profile 7 close to the outside. An inner clamping groove 73 is formed in the side face, close to the window glass 4, of the window section bar 7, the inner clamping groove 73 is arranged along the side edge, close to the indoor, of the window section bar 7, the inner clamping groove 73 is a dovetail groove, one edge of the inner clamping plate 72 is embedded in the inner clamping groove 73, and the width of the side edge is larger than the opening width of the dovetail groove. The outer clamping plate 71, the inner side surface of the window frame 1 and the inner clamping plate 72 enclose an embedding groove 74, a circle of fireproof cotton strip 75 is pasted on the bottom surface of the inner side of the embedding groove 74, and the fireproof expansion sealing piece 63 is pasted on the side surface of the fireproof cotton strip 75 far away from the bottom surface of the embedding groove 74. The edge of the window glass 4 is fitted in the fitting groove 74. The window glass 4 comprises four layers of toughened glass 41, and fire-proof glue 42 is filled between two adjacent layers of toughened glass 41. The window glass 4 comprises four layers of toughened glass 41, and two adjacent layers of toughened glass 41 are bonded through fireproof glue 42. By fitting the window glass 4 in the fitting groove 74, the inner clip 72 can be detached and attached, so that the window glass 4 can be easily detached and attached. When the fire breaks, the tempered glass 41 facing the fire surface is quickly burst after meeting high temperature, the middle fire-proof glue 42 is exposed, and the fire-proof glue 42 can be foamed and expanded after being heated to form a hard opaque bubble-shaped fire-proof glue 42 plate, so that the fire is effectively blocked, and high temperature and harmful gas are isolated. The flame is prevented from spreading and the high temperature conduction is also prevented. When a fire happens, indoor people are well protected.

The implementation principle of the embodiment of the application is as follows: when a fire occurs, the thermal expansion material 35 filled in the first rod member expands by heat to tightly press the first rod member, thereby increasing the strength of the first rod member and making the metal rod member 32 less prone to bending damage. The structural integrity of the window frame 1 is ensured, and the structure of the window frame 1 arranged on a wall body is kept stable. The thermally expandable material 35 filled in the second rod member expands by heating, and the preheated expansion material increased in volume overflows from the opening of the filling through-groove 321 in the second rod member. Because the lateral wall of second section bar 34 is heated the back, the phenomenon that can appear softening, consequently preheat the expanded material and can promote the lateral wall of second section bar 34, until with adjacent first section bar 33 butt, fill the space between first section bar 33 and the second section bar 34, the space between window frame 1 and casement 2 promptly, and preheat the expanded material and also promote second section bar 34, thereby extrude window glass 4 in the second section bar 34, carry out the centre gripping to window glass 4, make window glass 4 be difficult to empty, the fire behavior of whole fire window has effectively been improved. When the thermal expansion material 35 expands and jacks up the side wall of the second section bar 34, the side wall of the second section bar 34 is provided with the deformation groove 341, so that the surface area is larger, and when the second section bar is jacked up by the preheated expansion material, the phenomenon of breakage and damage is not easy to occur, and the second section bar can be well abutted against the first section bar 33. So that the thermally expandable material 35 is not easily released from the second pin.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a thermal-insulated fire window of plastic steel, includes window frame (1), installs casement (2) and window glass (4) in window frame (1), and window frame (1) and casement (2) are formed by section bar body (3) concatenation, and section bar body (3) in window frame (1) are first section bar (33), and section bar body (3) in casement (2) are second section bar (34), its characterized in that: the end face of the profile body (3) is provided with fireproof through grooves (31), metal rod pieces (32) penetrate through the fireproof through grooves (31), the end face of each metal rod piece (32) is provided with a filling through groove (321), and the filling through grooves (321) are filled with thermal expansion materials (35); the metal rod piece (32) in the first section bar (33) is a first rod piece, the metal rod piece (32) in the second section bar (34) is a second rod piece, gaps are formed between the filling through grooves (321) in the first rod piece and the side edge of the first rod piece at intervals, the side surface of one side of each filling through groove (321) in the second rod piece is overlapped with the side surface of one side of the second rod piece, and the overlapped side surface is the side surface of the second rod piece close to the adjacent first rod piece.

2. The plastic-steel heat-insulation fireproof window according to claim 1, wherein: each outer side face of the first rod piece is abutted against the inner side wall of the first section bar (33), each outer side face of the second rod piece is abutted against the inner side wall of the second section bar (34), the side face, close to the adjacent first section bar (33), of the second section bar (34) is sunken to form a deformation groove (341), the center line of the deformation groove (341) is parallel to the center line of the second rod piece, one side, far away from the first rod piece, of the deformation groove (341) is embedded in the filling through groove (321) of the second rod piece, and the deformation groove (341) is abutted against the thermal expansion material (35) in the second rod piece.

3. The plastic-steel heat-insulation fireproof window according to claim 2, wherein: first section bar (33) and second section bar (34) all fixed being provided with overlap edge (5) on the side that is close to each other, overlap edge (5) on first section bar (33) set up along being close to outdoor side, overlap edge (5) on second section bar (34) set up along being close to indoor side, and casement (2) inlay when establishing in window frame (1), overlap edge (5) on first section bar (33) are close to outdoor side butt with casement (2), overlap edge (5) on second section bar (34) are close to indoor side butt with window frame (1), fixedly connected with first PLASTIC LAMINATED (51) on the side of overlap edge (5) on second section bar (34) and window frame (1) butt.

4. The plastic-steel heat-insulation fireproof window according to claim 3, wherein: a gap is formed between the window frame (1) and the window sash (2), a first fireproof plate (51) is installed in the gap, the first fireproof plate (51) in the gap is fixedly installed on the second section bar (34), and one side of the first fireproof plate (51) is abutted to the overlapping edge (5) on the first section bar (33).

5. The plastic-steel heat-insulation fireproof window according to claim 1, wherein: the end face of the profile body (3) is provided with a sealing through groove (6), the sealing through groove (6) comprises a first through groove (61) and a second through groove (62), the first through groove (61) is formed in one side, close to the outdoor, of the fireproof through groove (31), and the second through groove (62) is formed in one side, close to the indoor, of the fireproof through groove (31); fireproof expansion sealing elements (63) are arranged in the first through groove (61) and the second through groove (62); a second fireproof plate (52) is arranged in the second through groove (62) in a penetrating mode, and the second fireproof plate (52) is located on one side, close to the indoor side, of the second through groove (62).

6. The plastic-steel heat-insulation fireproof window according to claim 1, wherein: the window frame (1) and the window sash (2) are internally provided with window glass (4), the profile body (3) adjacent to the window glass (4) in the window frame (1) and the window sash (2) is a window profile (7), the inner side surface of the window profile (7) is provided with a circle of embedded groove (74), and the edge of the window glass (4) is embedded in the embedded groove (74); the fireproof cotton strip (75) and the fireproof expansion sealing piece (63) are embedded in the embedding groove (74), the fireproof cotton strip (75) and the fireproof expansion sealing piece (63) are arranged along the bottom surface of the embedding groove (74), and the fireproof cotton strip (75) and the fireproof expansion sealing piece (63) are located between the window glass (4) and the bottom surface of the embedding groove (74).

7. The plastic-steel heat-insulation fireproof window according to claim 6, wherein: inlay and establish groove (74) and be close to outdoor side for outer clamping plate (71), inlay and establish groove (74) and be close to indoor side and be interior clamping plate (72), outer clamping plate (71) are close to outdoor side fixed the setting along window section bar (7), interior clamping groove (73) have been seted up on window section bar (7) are close to the side of window glass (4), interior clamping groove (73) are close to indoor side along window section bar (7) and are seted up, one side detachable of interior clamping plate (72) is installed in interior clamping groove (73).

8. The plastic-steel heat-insulation fireproof window according to claim 1, wherein: the window glass (4) comprises at least two layers of toughened glass (41), and fire-proof glue (42) is filled between every two adjacent layers of toughened glass (41).