CN112761491A - Turn to club outward opening steel section bar fire resisting window in - Google Patents

Turn to club outward opening steel section bar fire resisting window in Download PDF

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Publication number
CN112761491A
CN112761491A CN202011612149.7A CN202011612149A CN112761491A CN 112761491 A CN112761491 A CN 112761491A CN 202011612149 A CN202011612149 A CN 202011612149A CN 112761491 A CN112761491 A CN 112761491A
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CN
China
Prior art keywords
mullion
steering
frame
outward
section bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011612149.7A
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Chinese (zh)
Inventor
罗玉志
蒋建兵
付荣兵
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011612149.7A priority Critical patent/CN112761491A/en
Publication of CN112761491A publication Critical patent/CN112761491A/en
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/165—Fireproof windows
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/26—Compound frames, i.e. one frame within or behind another
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
    • E06B3/62—Fixing of glass panes or like plates by means of borders, cleats, or the like of rubber-like elastic cleats
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • E06B7/23—Plastic, sponge rubber, or like strips or tubes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Abstract

The invention discloses a through turning to the club outward open steel section bar fire resisting window, including: a glazing comprising a first glazing and a second glazing; the window frame comprises a first frame profile, a second frame profile and a steering mullion profile; the window sash comprises a first outward opening sash section bar and a second outward opening sash section bar; the fire-resistant window made of the steel section and opened outwards through the steering mullion is simple in structure and convenient to use, and excellent fire resistance of the steel outward-opening window is achieved through the matched arrangement of the double-layer fire-resistant glass, the window frame and the window sash and the adoption of steel as a material according to the characteristic that the steel can resist heat at 1200 ℃. The fireproof performance is ensured, and the air tightness, the water tightness and the displacement resistance are good.

Description

Turn to club outward opening steel section bar fire resisting window in
Technical Field
The invention relates to the technical field of doors and windows, in particular to a fire-resistant window with a mullion opened outwards through steering.
Background
In the last decade, 3.1 million high-rise building fires occur all over the country, 474 people are killed, and the direct property loss is 15.6 million yuan. Among them, the situation is severe, especially, 3 major fires, 4 major fires, and 24 major fires. 34.7 ten thousand of high-rise buildings (more than 8 floors and more than 24 meters) in China, and nearly 6000 super-high floors more than one hundred meters are all in the first place in the world. Wherein 1.9 million Chongqing, more than 2 million Beijing and up to 3 million Shanghai are provided.
The high-rise building has large volume, complex functions, dense personnel, many hazard sources and large fire load, and brings serious challenges to fire prevention and control. Many fires in China are caused by indoor electrical appliances or fire sources and then spread outdoors through doors and windows, so that larger fires are caused, and larger economic losses are caused.
Based on the situation, the invention provides the fire-resistant window with the steering mullion and the outward-opening steel section, and the problems can be effectively solved.
Disclosure of Invention
The invention aims to provide a steel section fire-resistant window opened outwards through a steering mullion. The fire-resistant window made of the steel section bars and opened outwards through the steering mullion is simple in structure and convenient to use, and excellent fire resistance of the steel outward-opening window is achieved through the matching arrangement of the double-layer fire-resistant glass, the window frame and the window sash and the adoption of steel as a material according to the characteristic that the steel can resist heat at 1200 ℃. The fireproof performance is ensured, and the air tightness, the water tightness and the displacement resistance are good.
The invention is realized by the following technical scheme:
through turning to club outward opening steel section bar refractory window includes:
a glazing comprising a first glazing and a second glazing;
the window frame comprises a first frame profile, a second frame profile and a steering mullion profile;
the window sash comprises a first outward opening sash section bar and a second outward opening sash section bar;
the first outward-opening sash section bar and the second outward-opening sash section bar are both provided with glass beads, the left side of the first window glass is clamped between the first outward-opening sash section bar and the glass beads, and the right side of the first window glass is clamped between the second outward-opening sash section bar and the glass beads which are symmetrically arranged with the first outward-opening sash section bar;
the right side of the first frame section bar is connected with the left side of the first outward-opening sash section bar through a hinge, the right side of the second outward-opening sash section bar is connected with the left side of the steering mullion section bar through a hinge, a glass bead is arranged on the right side of the steering mullion section bar, the left side of the second window glass is clamped between the steering mullion section bar and the glass bead, the second frame section bar and the first frame section bar are arranged on the right side of the second window glass in a central symmetry manner, the glass bead is arranged on the second frame section bar, and the right side of the second window glass is clamped between the second frame section bar and the glass bead.
The invention aims to provide a steel section fire-resistant window opened outwards through a steering mullion. The fire-resistant window made of the steel section bars and opened outwards through the steering mullion is simple in structure and convenient to use, and excellent fire resistance of the steel outward-opening window is achieved through the matching arrangement of the double-layer fire-resistant glass, the window frame and the window sash and the adoption of steel as a material according to the characteristic that the steel can resist heat at 1200 ℃. The fireproof performance is ensured, and the air tightness, the water tightness and the displacement resistance are good.
Preferably, the first glazing and the second glazing are both double-glazing fire resistant glass.
Preferably, the first frame section bar and the second frame section bar both comprise frame hollow cavities, and the end face of each frame hollow cavity is integrally L-shaped;
a frame sealing strip portion extends towards the left side of the upper end of the frame hollow cavity, and a frame dovetail groove is arranged below the frame sealing strip portion;
a frame first flange extending towards the right side is arranged at the middle end of the frame hollow cavity, and a frame first mounting groove is formed between the frame first flange and the frame sealing strip portion;
a frame second flange extending towards the right side is arranged at the lower end of the frame hollow cavity, and a frame second mounting groove is formed between the frame first flange and the frame second flange; the frame section is a closed integrated structure formed by continuously cold-rolling a steel plate; the closed parts of the frame section bars are connected through welding, and a welding point is positioned on the left side of the middle part of the hollow cavity of the frame;
a frame third flange extending towards the left side is arranged at the upper end of the frame hollow cavity, a frame fourth flange extending towards the left side is arranged at the lower end of the frame hollow cavity, and a frame third mounting groove is formed between the frame third flange and the frame fourth flange;
the length of the first flange of the frame is equal to that of the second flange of the frame, the length of the third flange of the frame is equal to that of the fourth flange of the frame, and the length of the first flange of the frame is greater than that of the third flange of the frame.
Preferably, the steering mullion section bar comprises a steering mullion first sealing part, a steering mullion second sealing part and a steering mullion mounting part connected between the steering mullion first sealing part and the steering mullion second sealing part; the top end of the steering mullion installation part is connected to the left end of the first sealing part of the steering mullion, and the bottom end of the steering mullion installation part is connected to the right end of the second sealing part of the steering mullion; a steering mullion first dovetail groove is formed in the right end of one side, close to the steering mullion installation part, of the steering mullion first sealing part; a steering mullion second dovetail groove is formed in the left end of one side, close to the steering mullion installation part, of the steering mullion second sealing part; a steering mullion first bulge is arranged in the middle of the left side of the steering mullion installation part, a steering mullion second bulge is arranged at the top of the left side of the steering mullion installation part, a steering mullion third bulge is arranged in the middle of the right side of the steering mullion installation part, and a steering mullion fourth bulge is arranged at the bottom of the right side of the steering mullion installation part; the steel fire-resistant window steering mullion section is of an integrated cold roll forming structure;
the first steering mullion sealing part comprises a first steering mullion transverse plate, the right end of the first steering mullion transverse plate is connected with a first steering mullion vertical plate, the bottom end of the inner side of the first steering mullion vertical plate is connected with a second steering mullion transverse plate, and the left end of the second steering mullion transverse plate is connected with the mounting part of the steering mullion; the first steering mullion dovetail groove is formed by bending the second steering mullion transverse plate;
the steering mullion second sealing part comprises a steering mullion third transverse plate, the left end of the steering mullion third transverse plate is connected with a steering mullion second vertical plate, the top end of the inner side of the steering mullion second vertical plate is connected with a steering mullion fourth transverse plate, and the right end of the steering mullion fourth transverse plate is connected with the steering mullion mounting part; the second dovetail groove of the steering mullion is formed by bending a fourth transverse plate of the steering mullion;
the steering mullion installation part comprises a steering mullion third vertical plate and a steering mullion fourth vertical plate which are parallel to each other; the top end of the third vertical plate of the steering mullion is connected with the left end of the first transverse plate of the steering mullion, and the bottom end of the third vertical plate of the steering mullion is connected with the right end of the third transverse plate of the steering mullion; the steering mullion first bulge and the steering mullion second bulge are formed by bending the steering mullion third vertical plate; the top end of a fourth vertical plate of the steering mullion is connected with the right end of a second transverse plate of the steering mullion, and the bottom end of the fourth vertical plate of the steering mullion is connected with the left end of the fourth transverse plate of the steering mullion; the third projection of the steering mullion and the fourth projection of the steering mullion are formed by bending the fourth vertical plate of the steering mullion;
the two bent ends of the steel fire-resistant window steering mullion section are connected through welding, and a welding spot is arranged on a fourth vertical plate of the steering mullion; the first steering mullion dovetail groove and the second steering mullion dovetail groove are both of concave structures; and the opening width of the first dovetail groove of the steering mullion is smaller than the width of the bottom of the first dovetail groove of the steering mullion, and the opening width of the second dovetail groove of the steering mullion is smaller than the width of the bottom of the second dovetail groove of the steering mullion.
Preferably, first outer fan-shaped section bar of opening and second are outer to be opened fan-shaped section bar and are all including opening fan cavity, its characterized in that outward: the end surface of the hollow cavity of the outward opening fan is in a T shape as a whole;
an outward-opened fan first sealing strip portion extends towards the left side of the upper portion of the outward-opened fan hollow cavity, and an outward-opened fan first dovetail groove is formed below the outward-opened fan first sealing strip portion;
an outward-opened fan second sealing strip portion extends towards the right side from the upper portion of the outward-opened fan hollow cavity, an outward-opened fan second dovetail groove is arranged below the outward-opened fan second sealing strip portion, and the position of the outward-opened fan second dovetail groove is lower than that of the outward-opened fan first dovetail groove;
a steel plate above the middle part of the left side of the hollow cavity of the outward-opening fan is bent inwards to form a first U-shaped groove of the outward-opening fan, and the steel plate below the first U-shaped groove of the outward-opening fan is bent inwards to form steps of the outward-opening fan; a second U-shaped groove of the outward opening fan is formed in the steel plate on the right side of the lower portion of the hollow cavity of the outward opening fan in a bending mode;
the outward opening fan section is a closed integrated structure formed by continuously cold-rolling a steel plate; the closed parts of the sectional materials of the outward opening fans are connected through welding, and a welding point is positioned on the right side of the middle part of the hollow cavity of the outward opening fan;
the outward opening sash step comprises a step first transverse plate, a step first vertical plate, a step second transverse plate and a step second vertical plate which are sequentially arranged; the length of the first transverse plate of the step is a, and a is less than b; and the right upper part of the second sealing strip part of the outward opening fan is provided with an inclined plate.
Preferably, the glass bead is formed by integrally cold-bending a steel plate and has a top wall, a vertical connecting wall and an inclined connecting wall; the top wall comprises an upper layer top wall and a lower layer top wall which are formed after being folded, and a sealing strip pressing wall is formed at one end of the top wall, which is correspondingly bent; the first end of the vertical connecting wall is formed at one end of the upper-layer top wall, which is back to the sealing strip pressing wall, and the second end of the vertical connecting wall is bent to form a first clamping part; the first end of the inclined connecting wall is formed at one end, back to the sealing strip pressing wall, of the lower-layer top wall, and the second end of the inclined connecting wall extends towards one side far away from the vertical connecting wall and forms a second clamping part; the sealing strip pressing wall is arranged in an elongated manner; the first clamping part comprises a supporting wall, a first clamping wall and a guide wall which are sequentially connected, and the supporting wall, the first clamping wall and the guide wall are mutually bent; the second clamping part comprises a second clamping wall which is bent upwards relative to the inclined connecting wall; the first end of the inclined connecting wall is supported on the side surface of the vertical connecting wall.
Preferably, a first C-shaped groove is arranged on a first frame installation groove of the first frame profile, a central sealing strip is clamped on the first C-shaped groove, a second C-shaped groove for installing a hinge is arranged on a second frame installation groove of the first frame profile, and a first sealing strip is clamped on a frame dovetail groove of the first frame profile;
the first U-shaped groove of the outward opening sash is provided with a third C-shaped groove for mounting a hinge, a first sealing strip and a second sealing strip are respectively clamped on the first dovetail groove of the outward opening sash and the second dovetail groove of the outward opening sash, a fourth C-shaped groove is arranged on the second U-shaped groove of the outward opening sash, a glazing bead of the outward opening sash is clamped on the fourth C-shaped groove, and a sealing strip pressing wall of the glazing bead of the outward opening sash is fixedly connected with a third sealing strip;
a first sealing strip is clamped on the second dovetail groove of the steering mullion, and a second sealing strip is clamped on the first dovetail groove of the steering mullion;
a fifth C-shaped groove for mounting a hinge is arranged above the first bulge of the steering mullion and clings to a third vertical plate of the steering mullion; a sixth C-shaped groove is formed below the first protrusion of the steering mullion and clings to a third vertical plate of the steering mullion, and a central sealing strip is clamped on the sixth C-shaped groove; a seventh C-shaped groove is formed in the position, close to a fourth vertical plate of the steering mullion, below a third protrusion of the steering mullion, a glass pressing strip of the steering mullion is clamped on the seventh C-shaped groove, and a third sealing strip is fixedly connected to a sealing strip pressing wall of the glass pressing strip of the steering mullion;
and an eighth C-shaped groove is formed in a second frame mounting groove of the second frame section, a glass pressing strip of the frame is arranged on the eighth C-shaped groove, a third sealing strip is fixedly connected to a sealing strip pressing wall of the glass pressing strip of the frame, and a second sealing strip is clamped on a frame dovetail groove of the second frame section.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the fire-resistant window made of the steel section bars and opened outwards through the steering mullion is simple in structure and convenient to use, and excellent fire resistance of the steel outward-opening window is achieved through the matching arrangement of the double-layer fire-resistant glass, the window frame and the window sash and the adoption of steel as a material according to the characteristic that the steel can resist heat at 1200 ℃. The fireproof performance is ensured, and the air tightness, the water tightness and the displacement resistance are good.
1. The steel is adopted as the main material of the window, and the steel can resist the heat of 1200 ℃, so that excellent fireproof performance can be realized;
2. good air tightness and water tightness can be realized through reasonable arrangement of a plurality of sealing strips;
3. due to the matching arrangement of various sectional materials, the invention has good displacement resistance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the frame profile of the present invention;
FIG. 3 is a schematic structural view of a mullion profile of the present invention;
FIG. 4 is a schematic structural view of the outward opening sash profile of the present invention;
FIG. 5 is a schematic view of the structure of the glazing bead of the present invention.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 5, the present invention provides a fire resistant window of steel section outwardly opened through a center turn stile, comprising:
a glazing comprising a first glazing 1 and a second glazing 2;
a window frame comprising a first jamb profile 3, a second jamb profile 4 and a steering mullion profile 5; the width of the top of the frame profile was 51cm and the width of the bottom was 30cm, with the width of the fourth flange being 6.5 cm. This width data allows for increased structural strength while using minimal steel stock.
The window sash comprises a first outward opening sash profile 6 and a second outward opening sash profile 7;
the first outward-opening fan section bar 6 and the second outward-opening fan section bar 7 are both provided with glass beads 70, the left side of the first window glass 1 is clamped between the first outward-opening fan section bar 6 and the glass beads 70, and the right side of the first window glass 1 is clamped between the second outward-opening fan section bar 7 and the glass beads 70 which are symmetrically arranged with the first outward-opening fan section bar 6;
the right side of the first frame section bar 3 is connected with the left side of the first outward-opening sash section bar 6 through a hinge, the right side of the second outward-opening sash section bar 7 is connected with the left side of the steering mullion section bar 5 through a hinge, the right side of the steering mullion section bar 5 is provided with a glass bead 70, the left side of the second window glass 2 is clamped between the steering mullion section bar 5 and the glass bead 70, the second frame section bar 4 and the first frame section bar 3 are arranged on the right side of the second window glass 2 in a central symmetry manner, the second frame section bar 4 is provided with a glass bead 70, and the right side of the second window glass 2 is clamped between the second frame section bar 4 and the glass bead 70.
Example 2:
as shown in fig. 1 to 5, the present invention provides a fire resistant window of steel section outwardly opened through a center turn stile, comprising:
a glazing comprising a first glazing 1 and a second glazing 2;
a window frame comprising a first jamb profile 3, a second jamb profile 4 and a steering mullion profile 5; the width of the top of the frame profile was 51cm and the width of the bottom was 30cm, with the width of the fourth flange being 6.5 cm. This width data allows for increased structural strength while using minimal steel stock.
The window sash comprises a first outward opening sash profile 6 and a second outward opening sash profile 7;
the first outward-opening fan section bar 6 and the second outward-opening fan section bar 7 are both provided with glass beads 70, the left side of the first window glass 1 is clamped between the first outward-opening fan section bar 6 and the glass beads 70, and the right side of the first window glass 1 is clamped between the second outward-opening fan section bar 7 and the glass beads 70 which are symmetrically arranged with the first outward-opening fan section bar 6;
the right side of the first frame section bar 3 is connected with the left side of the first outward-opening sash section bar 6 through a hinge, the right side of the second outward-opening sash section bar 7 is connected with the left side of the steering mullion section bar 5 through a hinge, the right side of the steering mullion section bar 5 is provided with a glass bead 70, the left side of the second window glass 2 is clamped between the steering mullion section bar 5 and the glass bead 70, the second frame section bar 4 and the first frame section bar 3 are arranged on the right side of the second window glass 2 in a central symmetry manner, the second frame section bar 4 is provided with a glass bead 70, and the right side of the second window glass 2 is clamped between the second frame section bar 4 and the glass bead 70.
Further, in another embodiment, the first pane 1 and the second pane 2 are both double-pane fire resistant glass.
The fire resistance of the window can be greatly improved by adopting the double-layer fire-resistant glass.
Further, in another embodiment, the first frame profile 3 and the second frame profile 4 both include a frame hollow cavity 11, and an end-face-shaped main body of the frame hollow cavity 11 is L-shaped as a whole;
a frame sealing strip portion 12 extends towards the left side of the upper end of the frame hollow cavity 11, and a frame dovetail groove 121 is arranged below the frame sealing strip portion 12;
a frame first flange 111 extending towards the right side is arranged at the middle end of the frame hollow cavity 11, and a frame first mounting groove 13 is formed between the frame first flange 111 and the frame sealing strip portion 12;
a frame second flange 112 extending towards the right side is arranged at the lower end of the frame hollow cavity 11, and a frame second mounting groove 14 is formed between the frame first flange 111 and the frame second flange 112; the frame section is a closed integrated structure formed by continuously cold-rolling a steel plate; through above structure, can realize that structural strength is stable, the convenient effect of production shaping, adopt steel can be fire-resistant 1200 ℃ simultaneously. The closed parts of the frame section bars are connected through welding, and a welding point 15 is positioned on the left side of the middle part of the hollow cavity 11 of the frame; the welded connection can enhance the stability of the section bar and provide higher mechanical strength.
A frame third flange 113 extending to the left side is arranged at the upper end of the frame hollow cavity 11, a frame fourth flange 114 extending to the left side is arranged at the lower end of the frame hollow cavity 11, and a frame third mounting groove 16 is formed between the frame third flange 113 and the frame fourth flange 114;
the lengths of the first frame flange 111 and the second frame flange 112 are equal, the lengths of the third frame flange 113 and the fourth frame flange 114 are equal, and the length of the first frame flange is greater than that of the third frame flange.
Further, in another embodiment, the steering mullion profile 5 includes a steering mullion first sealing portion 61, a steering mullion second sealing portion 62, and a steering mullion mounting portion 63 connected between the steering mullion first sealing portion 61 and the steering mullion second sealing portion 62; the top end of the steering mullion installation part 63 is connected to the left end of the steering mullion first sealing part 61, and the bottom end of the steering mullion installation part 63 is connected to the right end of the steering mullion second sealing part 62; a steering mullion first dovetail groove 611 is arranged at the right end of one side, close to the steering mullion installation part 63, of the steering mullion first sealing part 61; a steering mullion second dovetail groove 621 is arranged at the left end of one side of the steering mullion second sealing part 62 close to the steering mullion installation part 63; a steering mullion first bulge 631 is arranged in the middle of the left side of the steering mullion installation part 63, a steering mullion second bulge 632 is arranged at the top of the left side of the steering mullion installation part 63, a steering mullion third bulge 633 is arranged in the middle of the right side of the steering mullion installation part 63, and a steering mullion fourth bulge 634 is arranged at the bottom of the right side of the steering mullion installation part 63;
according to the invention, the sealing strip can be embedded in the steering mullion first dovetail groove 611 and the steering mullion second dovetail groove 621 better, so that a sufficient sealing effect is ensured in use; the first steering mullion projection 631, the second steering mullion projection 632 and the second steering mullion sealing part 62 form a plurality of U-shaped mounting grooves in the steering mullion mounting part 63, and the U-shaped mounting grooves are used for fixing C-shaped grooves, so that sealing strips and glass pressing strips can be conveniently mounted, and a good mounting effect is ensured when the glass pressing strip mounting device is used; the steering mullion third bump 633, the steering mullion fourth bump 634 and the steering mullion first sealing part 61 form a plurality of U-shaped mounting grooves in the steering mullion mounting part 63, the U-shaped mounting grooves are used for fixing C-shaped grooves, so that sealing strips and glass pressing strips can be conveniently mounted, and a good mounting effect is ensured when the glass pressing strip mounting structure is used.
The steel fire-resistant window steering mullion section is of an integrated cold roll forming structure; the first steering mullion sealing part 61 comprises a first steering mullion transverse plate 612, the right end of the first steering mullion transverse plate 612 is connected with a first steering mullion vertical plate 613, the bottom end of the inner side of the first steering mullion vertical plate 613 is connected with a second steering mullion transverse plate 614, and the left end of the second steering mullion transverse plate 614 is connected with the steering mullion mounting part 63; the steering mullion first dovetail groove 611 is formed by bending the steering mullion second transverse plate 614;
the steering mullion second sealing part 62 comprises a steering mullion third transverse plate 622, the left end of the steering mullion third transverse plate 622 is connected with a steering mullion second vertical plate 623, the top end of the inner side of the steering mullion second vertical plate 623 is connected with a steering mullion fourth transverse plate 624, and the right end of the steering mullion fourth transverse plate 624 is connected with the steering mullion mounting part 63; the steering mullion second dovetail groove 621 is formed by bending the steering mullion fourth transverse plate 624;
the steering mullion mounting part 63 comprises a steering mullion third riser 635 and a steering mullion fourth riser 636 which are parallel to each other; the top end of the third vertical plate 635 of the steering mullion is connected with the left end of the first transverse plate 612 of the steering mullion, and the bottom end of the third vertical plate 635 of the steering mullion is connected with the right end of the third transverse plate 622 of the steering mullion; the first steering mullion projection 631 and the second steering mullion projection 632 are formed by bending the third steering mullion riser 635; the top end of the fourth vertical plate 636 of the steering mullion is connected with the right end of the second transverse plate 614 of the steering mullion, and the bottom end of the fourth vertical plate 636 of the steering mullion is connected with the left end of the fourth transverse plate 624 of the steering mullion; the steering mullion third bump 633 and the steering mullion fourth bump 634 are formed by bending the steering mullion fourth vertical plate 636;
the two bent ends of the steel fire-resistant window steering mullion section are connected through welding, and a welding spot is arranged on a fourth vertical plate 636 of the steering mullion; the first steering mullion dovetail groove 611 and the second steering mullion dovetail groove 621 are both of concave structures; and the opening width of the first dovetail groove 611 of the steering mullion is smaller than the bottom width of the first dovetail groove 611 of the steering mullion, and the opening width of the second dovetail groove 621 of the steering mullion is smaller than the bottom width of the second dovetail groove 621 of the steering mullion.
The concave structure can ensure the stability of the whole structure of the invention and improve the structural strength of assembly; the opening width of the first dovetail groove 611 of the steering mullion is smaller than the bottom width of the first dovetail groove 611 of the steering mullion, so that the sealing strip can be better fixed, and a better sealing effect is ensured; the width of the opening of the second dovetail groove 621 of the steering mullion is smaller than the width of the bottom of the second dovetail groove 621 of the steering mullion, so that the sealing strip can be better fixed, and a better sealing effect is ensured.
Further, in another embodiment, the first outward-opening fan profile 6 and the second outward-opening fan profile 7 each include an outward-opening fan hollow cavity 21, which is characterized in that: the end surface of the hollow cavity 21 of the outward opening fan is in a T shape as a whole;
an outward-opening fan first sealing strip portion 22 extends leftwards from the upper portion of the outward-opening fan hollow cavity 21, and an outward-opening fan first dovetail groove 221 is arranged below the outward-opening fan first sealing strip portion 22;
an outward-opened fan second sealing strip portion 23 extends towards the right side from the upper portion of the outward-opened fan hollow cavity 21, an outward-opened fan second dovetail groove 231 is arranged below the outward-opened fan second sealing strip portion 23, and the position of the outward-opened fan second dovetail groove 231 is lower than that of the outward-opened fan first dovetail groove 221;
a steel plate above the middle part of the left side of the outward-opening fan hollow cavity 21 is bent inwards to form an outward-opening fan first U-shaped groove 24 with the depth of b, and a steel plate below the outward-opening fan first U-shaped groove 24 is bent inwards to form an outward-opening fan step 25; a second U-shaped groove 26 of the outward opening fan is formed in the steel plate on the right side of the lower portion of the hollow cavity 21 of the outward opening fan in a bending mode;
the outward opening fan section is a closed integrated structure formed by continuously cold-rolling a steel plate; the closed parts of the outer opening fan section bars are connected through welding, and a welding point 27 is positioned on the right side of the middle part of the hollow cavity 21 of the outer opening fan;
the outward opening sash step 25 comprises a step first transverse plate 251, a step first vertical plate 252, a step second transverse plate 253 and a step second vertical plate 254 which are sequentially arranged; the length of the step first transverse plate 251 is a, and a < b; through the structure, the central sealing strip in the fire-resistant window can abut against the first transverse plate 251 of the step to form a seal, and the sealing strip can abut against the second transverse plate 253 of the step to form a seal.
The right upper part of the second sealing strip portion 23 of the outward opening fan is provided with a sloping plate 232. The inclined plate 232 is arranged, so that the height of the second dovetail groove 231 of the outward-opening fan can be reduced, the position of glass is adapted, meanwhile, steel is saved, and cost is saved.
Further, in another embodiment, the glazing beads 70 are formed from sheet steel by integral cold bending and have a top wall 71, vertical connecting walls 74 and inclined connecting walls 73; the top wall 71 includes an upper top wall 711 and a lower top wall 712 formed after being folded, and the top wall 71 forms a sealing strip pressing wall on one end corresponding to the bending; a first end of the vertical connecting wall 74 is formed at one end of the upper-layer top wall 711, which is opposite to the sealing strip pressing wall 72, and a second end of the vertical connecting wall is bent to form a first clamping part 741; the inclined connecting wall 73 has a first end formed on an end of the lower top wall 712 facing away from the seal strip pressing wall 72, and a second end extending toward a side away from the vertical connecting wall 74, and forms a second catching portion 731; the sealing strip pressing wall 72 is arranged in an elongated manner; the first clamping part 741 comprises a supporting wall 7411, a first clamping wall 7412 and a guide wall 7413 which are connected in sequence, and the supporting wall 7411, the first clamping wall 7412 and the guide wall 7413 are mutually bent; the second catching portion 731 includes a second catching wall bent upward with respect to the inclined connecting wall 73; the first end of the inclined connecting wall 73 is supported on the side of the vertical connecting wall 74.
The first clamping portion 741 and the second clamping portion 731 of the glass pressing strip 70 are clamped into the C-shaped groove in a matched mode, and the stability of glass pressing can be improved.
Further, in another embodiment, a first C-shaped groove 101 is arranged on the first frame mounting groove 13 of the first frame profile 3, a central sealing strip 201 is clamped on the first C-shaped groove 101, a second C-shaped groove 102 for mounting a hinge is arranged on the second frame mounting groove 14 of the first frame profile 3, and a first sealing strip 202 is clamped on the frame dovetail groove 121 of the first frame profile 3;
the first outward-opening-fan U-shaped groove 24 is provided with a third C-shaped groove 103 for mounting a hinge, a first sealing strip 202 and a second sealing strip 203 are respectively clamped on the first outward-opening-fan dovetail groove 221 and the second outward-opening-fan dovetail groove 231, a fourth C-shaped groove 104 is arranged on the second outward-opening-fan U-shaped groove 26, a glass pressing strip 70 of an outward-opening fan is clamped on the fourth C-shaped groove 104, and a sealing strip pressing wall 72 of the glass pressing strip 70 of the outward-opening fan is fixedly connected with a third sealing strip 204;
a first sealing strip 202 is clamped on the second dovetail groove 621 of the steering mullion, and a second sealing strip 203 is clamped on the first dovetail groove 611 of the steering mullion;
a fifth C-shaped groove 105 for mounting a hinge is arranged above the first projection 631 of the steering mullion and clings to the third vertical plate 635 of the steering mullion; a sixth C-shaped groove 106 is formed in the position, close to the third vertical plate 635 of the steering mullion, below the first projection 631 of the steering mullion, and a central sealing strip 201 is clamped on the sixth C-shaped groove 106; a seventh C-shaped groove 107 is formed below the third bump 633 of the steering mullion and clings to a fourth vertical plate 636 of the steering mullion, a glass bead 70 of the steering mullion is clamped on the seventh C-shaped groove 107, and a third sealing strip 204 is fixedly connected to a sealing strip pressing wall 72 of the glass bead 70 of the steering mullion;
an eighth C-shaped groove 108 is formed in the frame second installation groove 14 of the second frame section bar 4, a glass bead 70 of the frame is arranged on the eighth C-shaped groove 108, a third sealing strip 204 is fixedly connected to a sealing strip pressing wall 72 of the glass bead 70 of the frame, and a second sealing strip 203 is clamped on the frame dovetail groove 121 of the second frame section bar 4.
According to the description of the invention and the attached drawings, the person skilled in the art can easily make or use the fire-resistant window made of the steel section which is opened outwards through the steering mullion, and can produce the positive effects recorded by the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims (7)

1. Through turning to club outward opening steel section bar fire resisting window, its characterized in that: the method comprises the following steps:
a glazing comprising a first glazing (1) and a second glazing (2);
the window frame comprises a first frame section bar (3), a second frame section bar (4) and a steering mullion section bar (5);
the window sash comprises a first outward opening sash section bar (6) and a second outward opening sash section bar (7);
the first outward-opening fan section bar (6) and the second outward-opening fan section bar (7) are respectively provided with a glass bead (70), the left side of the first window glass (1) is clamped between the first outward-opening fan section bar (6) and the glass beads (70), and the right side of the first window glass (1) is clamped between the second outward-opening fan section bar (7) and the glass beads (70) which are symmetrically arranged with the first outward-opening fan section bar (6);
the right side of the first frame section bar (3) is connected with the left side of the first outward-opening sash section bar (6) through a hinge, the right side of the second outward-opening sash section bar (7) is connected with the left side of the turning mullion section bar (5) through a hinge, a glass bead (70) is arranged on the right side of the turning mullion section bar (5), the left side of the second window glass (2) is clamped between the turning mullion section bar (5) and the glass bead (70), the second frame section bar (4) and the first frame section bar (3) are arranged on the right side of the second window glass (2) in a central symmetry manner, the glass bead (70) is arranged on the second frame section bar (4), and the right side of the second window glass (2) is clamped between the second frame section bar (4) and the glass bead (70).
2. The fire resistant window of steel section that opens outward through a steering mullion of claim 1, wherein: the first window glass (1) and the second window glass (2) are both double-layer fire-resistant glass.
3. The fire resistant window of steel section that opens outward through a steering mullion of claim 1, wherein: the first frame section bar (3) and the second frame section bar (4) both comprise frame hollow cavities (11), and the end surface shape of each frame hollow cavity (11) is L-shaped as a whole;
a frame sealing strip portion (12) extends towards the left side of the upper end of the frame hollow cavity (11), and a frame dovetail groove (121) is arranged below the frame sealing strip portion (12);
a first frame flange (111) extending towards the right side is arranged at the middle end of the frame hollow cavity (11), and a first frame mounting groove (13) is formed between the first frame flange (111) and the frame sealing strip portion (12);
a frame second flange (112) extending towards the right side is arranged at the lower end of the frame hollow cavity (11), and a frame second mounting groove (14) is formed between the frame first flange (111) and the frame second flange (112); the frame section is a closed integrated structure formed by continuously cold-rolling a steel plate; the closed parts of the frame section bars are connected through welding, and a welding point (15) is positioned on the left side of the middle part of the frame hollow cavity (11);
a third frame flange (113) extending to the left side is arranged at the upper end of the frame hollow cavity (11), a fourth frame flange (114) extending to the left side is arranged at the lower end of the frame hollow cavity (11), and a third frame mounting groove (16) is formed between the third frame flange (113) and the fourth frame flange (114);
the lengths of the first frame flange (111) and the second frame flange (112) are equal, the lengths of the third frame flange (113) and the fourth frame flange (114) are equal, and the length of the first frame flange is greater than that of the third frame flange.
4. The fire resistant window of steel section that opens outward through a steering mullion of claim 3, wherein: the steering mullion section bar (5) comprises a steering mullion first sealing part (61), a steering mullion second sealing part (62) and a steering mullion installation part (63) connected between the steering mullion first sealing part (61) and the steering mullion second sealing part (62); the top end of the steering mullion installation part (63) is connected to the left end of the steering mullion first sealing part (61), and the bottom end of the steering mullion installation part (63) is connected to the right end of the steering mullion second sealing part (62); a steering mullion first dovetail groove (611) is arranged at the right end of one side, close to the steering mullion installation part (63), of the steering mullion first sealing part (61); a steering mullion second dovetail groove (621) is arranged at the left end of one side, close to the steering mullion installation part (63), of the steering mullion second sealing part (62); the middle part of the left side of the steering mullion installation part (63) is provided with a steering mullion first bulge (631), the top of the left side of the steering mullion installation part (63) is provided with a steering mullion second bulge (632), the middle part of the right side of the steering mullion installation part (63) is provided with a steering mullion third bulge (633), and the bottom of the right side of the steering mullion installation part (63) is provided with a steering mullion fourth bulge (634); the steel fire-resistant window steering mullion section is of an integrated cold roll forming structure;
the first steering mullion sealing part (61) comprises a first steering mullion transverse plate (612), the right end of the first steering mullion transverse plate (612) is connected with a first steering mullion vertical plate (613), the bottom end of the inner side of the first steering mullion vertical plate (613) is connected with a second steering mullion transverse plate (614), and the left end of the second steering mullion transverse plate (614) is connected with the steering mullion mounting part (63); the steering mullion first dovetail groove (611) is formed by bending the steering mullion second transverse plate (614);
the steering mullion second sealing part (62) comprises a steering mullion third transverse plate (622), the left end of the steering mullion third transverse plate (622) is connected with a steering mullion second vertical plate (623), the top end of the inner side of the steering mullion second vertical plate (623) is connected with a steering mullion fourth transverse plate (624), and the right end of the steering mullion fourth transverse plate (624) is connected with the steering mullion mounting part (63); the steering mullion second dovetail groove (621) is formed by bending a steering mullion fourth transverse plate (624);
the steering mullion mounting part (63) comprises a steering mullion third vertical plate (635) and a steering mullion fourth vertical plate (636) which are parallel to each other; the top end of the third vertical plate (635) of the steering mullion is connected with the left end of the first transverse plate (612) of the steering mullion, and the bottom end of the third vertical plate (635) of the steering mullion is connected with the right end of the third transverse plate (622) of the steering mullion; the first steering mullion protrusion (631) and the second steering mullion protrusion (632) are formed by bending a third steering mullion vertical plate (635); the top end of a fourth vertical plate (636) of the steering mullion is connected with the right end of a second transverse plate (614) of the steering mullion, and the bottom end of the fourth vertical plate (636) of the steering mullion is connected with the left end of a fourth transverse plate (624) of the steering mullion; the steering mullion third bulge (633) and the steering mullion fourth bulge (634) are formed by bending the steering mullion fourth vertical plate (636);
the two bent ends of the steel fire-resistant window mullion section are connected through welding, and a welding spot is arranged on a fourth vertical plate (636) of the steering mullion; the first steering mullion dovetail groove (611) and the second steering mullion dovetail groove (621) are both of an inward concave structure; and the opening width of the first dovetail groove (611) of the steering mullion is smaller than the bottom width of the first dovetail groove (611) of the steering mullion, and the opening width of the second dovetail groove (621) of the steering mullion is smaller than the bottom width of the second dovetail groove (621) of the steering mullion.
5. The fire resistant window of steel section that opens outward through a steering mullion of claim 4, wherein: first outer fan section bar (6) of opening and second outer fan section bar (7) of opening all include outer fan cavity (21) of opening, its characterized in that: the end surface shape of the outer opening fan hollow cavity (21) is T-shaped as a whole;
an outward-opening fan first sealing strip portion (22) extends towards the left side of the upper portion of the outward-opening fan hollow cavity (21), and an outward-opening fan first dovetail groove (221) is arranged below the outward-opening fan first sealing strip portion (22);
an outward-opened fan second sealing strip portion (23) extends towards the right side from the upper portion of the outward-opened fan hollow cavity (21), an outward-opened fan second dovetail groove (231) is arranged below the outward-opened fan second sealing strip portion (23), and the position of the outward-opened fan second dovetail groove (231) is lower than the outward-opened fan first dovetail groove (221);
a steel plate above the middle part of the left side of the outward-opening fan hollow cavity (21) is bent inwards to form a first outward-opening fan U-shaped groove (24) with the depth of b, and a steel plate below the first outward-opening fan U-shaped groove (24) is bent inwards to form an outward-opening fan step (25); a second U-shaped groove (26) of the outward opening fan is formed in the steel plate on the right side of the lower portion of the hollow cavity (21) of the outward opening fan in an inward bending mode;
the outward opening fan section is a closed integrated structure formed by continuously cold-rolling a steel plate; the closed parts of the outer opening fan section bars are connected through welding, and a welding point (27) is positioned on the right side of the middle part of the outer opening fan hollow cavity (21);
the outward opening sash step (25) comprises a step first transverse plate (251), a step first vertical plate (252), a step second transverse plate (253) and a step second vertical plate (254) which are sequentially arranged; the length of the first horizontal plate (251) of the step is a, and a < b; and an inclined plate (232) is arranged at the upper right part of the second sealing strip part (23) of the outward opening fan.
6. The fire resistant window of steel section that opens outward through a steering mullion of claim 5, wherein: the glazing bead (70) is formed by integrally cold-bending a steel plate and has a top wall (71), a vertical connecting wall (74) and an inclined connecting wall (73); the top wall (71) comprises an upper layer top wall (711) and a lower layer top wall (712) formed after being folded, and the top wall (71) forms a sealing strip pressing wall on one end corresponding to the bending; the first end of the vertical connecting wall (74) is formed at one end, back to the sealing strip pressing wall (72), of the upper-layer top wall (711), and the second end is bent to form a first clamping portion (741); the first end of the inclined connecting wall (73) is formed on one end, facing away from the sealing strip pressing wall (72), of the lower-layer top wall (712), and the second end of the inclined connecting wall extends towards one side far away from the vertical connecting wall (74) and forms a second clamping part (731); the sealing strip pressing wall (72) is arranged in an elongated manner; the first clamping part (741) comprises a supporting wall (7411), a first clamping wall (7412) and a guide wall (7413) which are sequentially connected, and the supporting wall (7411), the first clamping wall (7412) and the guide wall (7413) are mutually bent; the second clamping part (731) comprises a second clamping wall bent upwards relative to the inclined connecting wall (73); the first end of the inclined connecting wall (73) is supported on the side of the vertical connecting wall (74).
7. The fire resistant window of steel section that opens outward through a steering mullion of claim 6, wherein: a first C-shaped groove (101) is formed in a first frame mounting groove (13) of the first frame section (3), a central sealing strip (201) is clamped on the first C-shaped groove (101), a second frame mounting groove (14) of the first frame section (3) is provided with a second C-shaped groove (102) for mounting a hinge, and a first sealing strip (202) is clamped on a frame dovetail groove (121) of the first frame section (3);
the first U-shaped groove (24) of the outward opening fan is provided with a third C-shaped groove (103) for installing a hinge, the first dovetail groove (221) of the outward opening fan and the second dovetail groove (231) of the outward opening fan are respectively clamped with a first sealing strip (202) and a second sealing strip (203), the second U-shaped groove (26) of the outward opening fan is provided with a fourth C-shaped groove (104), the fourth C-shaped groove (104) is clamped with a glass pressing strip (70) of the outward opening fan, and a sealing strip pressing wall (72) of the glass pressing strip (70) of the outward opening fan is fixedly connected with a third sealing strip (204);
a first sealing strip (202) is clamped on the second dovetail groove (621) of the steering mullion, and a second sealing strip (203) is clamped on the first dovetail groove (611) of the steering mullion;
a fifth C-shaped groove (105) for mounting a hinge is formed in the position, close to the third vertical plate (635) of the steering mullion, above the first protrusion (631) of the steering mullion, a sixth C-shaped groove (106) is formed in the position, close to the third vertical plate (635) of the steering mullion, below the first protrusion (631) of the steering mullion, and a central sealing strip (201) is clamped on the sixth C-shaped groove (106); a seventh C-shaped groove (107) is formed in the position, close to a fourth vertical plate (636) of the steering mullion, below the third protrusion (633) of the steering mullion, a glass bead (70) of the steering mullion is clamped on the seventh C-shaped groove (107), and a third sealing strip (204) is fixedly connected to a sealing strip pressing wall (72) of the glass bead (70) of the steering mullion;
be equipped with eighth C type groove (108) on frame second mounting groove (14) of second frame section bar (4), be equipped with glass bead (70) of frame on eighth C type groove (108), the frame the sealing strip of glass bead (70) compresses tightly and has linked firmly third sealing strip (204) on wall (72), the joint has second sealing strip (203) on frame dovetail (121) of second frame section bar (4).
CN202011612149.7A 2020-12-30 2020-12-30 Turn to club outward opening steel section bar fire resisting window in Withdrawn CN112761491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011612149.7A CN112761491A (en) 2020-12-30 2020-12-30 Turn to club outward opening steel section bar fire resisting window in

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011612149.7A CN112761491A (en) 2020-12-30 2020-12-30 Turn to club outward opening steel section bar fire resisting window in

Publications (1)

Publication Number Publication Date
CN112761491A true CN112761491A (en) 2021-05-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011612149.7A Withdrawn CN112761491A (en) 2020-12-30 2020-12-30 Turn to club outward opening steel section bar fire resisting window in

Country Status (1)

Country Link
CN (1) CN112761491A (en)

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