CN215565428U - Inward-opening steel section fire-resistant window - Google Patents

Inward-opening steel section fire-resistant window Download PDF

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CN215565428U
CN215565428U CN202023282896.7U CN202023282896U CN215565428U CN 215565428 U CN215565428 U CN 215565428U CN 202023282896 U CN202023282896 U CN 202023282896U CN 215565428 U CN215565428 U CN 215565428U
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mullion
frame
section bar
window
inward opening
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罗玉志
蒋建兵
付荣兵
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Abstract

The utility model discloses an inward opening steel section fireproof window, which comprises: a glazing comprising a first glazing and a second glazing; the window frame comprises a first frame section bar, a second frame section bar and a mullion section bar; the window sash comprises a first inward opening sash section bar and a second inward opening sash section bar. The inward opening steel section fireproof window is simple in structure and convenient to use, and excellent fire resistance of the window is achieved by matching the double-layer fireproof glass, the window frame and the window sash and adopting 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

Inward-opening steel section fire-resistant window
Technical Field
The utility model relates to the technical field of doors and windows, in particular to an inward opening type steel section fireproof window.
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 utility model provides the inward opening type steel section fireproof window, which can effectively solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an inward opening steel section fireproof window. The inward opening steel section fireproof window is simple in structure and convenient to use, and excellent fire resistance of the steel inward opening window is achieved through the matching arrangement of the double-layer fireproof 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 utility model is realized by the following technical scheme:
interior open steel section bar fire-resistant window includes:
a glazing comprising a first glazing and a second glazing;
the window frame comprises a first frame section bar, a second frame section bar and a mullion section bar;
the window sash comprises a first inward opening sash section bar and a second inward opening sash section bar;
the first window glass left side is clamped between the first inward opening sash section and the glass bead, and the first window glass right side is clamped between the second inward opening sash section and the glass bead which are symmetrically arranged with the first inward opening sash section;
the right side of the first frame section is connected with the left side of the first inward opening section through a hinge, the right side of the second inward opening section is connected with the left side of the mullion section through a hinge, a glass bead is arranged on the right side of the mullion section, the left side of the second window glass is clamped between the mullion section and the glass bead, the second frame section and the first frame section are symmetrically arranged on the right side of the second window glass, the glass bead is arranged on the second frame section, and the right side of the second window glass is clamped between the second frame section and the glass bead.
The utility model aims to provide an inward opening steel section fireproof window. The inward opening steel section fireproof window is simple in structure and convenient to use, and excellent fire resistance of the steel inward opening window is achieved through the matching arrangement of the double-layer fireproof 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 mullion section bar comprises a mullion sealing part and a mullion mounting part; one end of the mullion installation part is vertically arranged in the middle of the mullion sealing part; both ends of the connecting surface of the mullion sealing part and the mullion mounting part are provided with mullion dovetail grooves; the middle parts of two sides of the mullion installation part are respectively provided with a mullion first bulge, and two sides of one end of the mullion installation part, which is far away from the mullion sealing part, are respectively provided with a mullion second bulge; the mullion section for the steel fire-resistant window is of an integrated cold roll forming structure;
the mullion sealing part comprises a mullion top plate, two sides of the mullion top plate are respectively connected with a mullion first side plate, the bottoms of the inner sides of the two mullion first side plates are respectively connected with a mullion first bottom plate, and the opposite ends of the two mullion first bottom plates are connected to the top of the mullion mounting part; the mullion dovetail groove is formed by bending the mullion first bottom plate; the mullion mounting part comprises a mullion second bottom plate, two ends of the mullion second bottom plate are connected with mullion second side plates, and the tops of the two mullion second side plates are connected with the end parts of the mullion first bottom plates in the corresponding mullion sealing parts; the mullion second bulge is formed by bending the mullion second bottom plate; the first protrusion of the mullion is formed by bending the second side plate of the mullion;
two bent ends of the mullion section for the steel fire-resistant window are connected through welding, and a welding spot is arranged on a second side plate of the mullion; the mullion section bar for the steel fire-resistant window is of a bilateral symmetry structure;
the muntin dovetail groove is of an inwards concave structure, and the width of an opening of the muntin dovetail groove is smaller than the width of the bottom of the muntin dovetail groove.
Preferably, the first inward opening sash section bar and the second inward opening sash section bar both comprise inward opening sash hollow cavities,
an inward opening sash first sealing strip portion is arranged at the lower part of the inward opening sash hollow cavity in an extending mode towards the left side, and an inward opening sash first dovetail groove is formed above the inward opening sash first sealing strip portion;
an inward opening sash second sealing strip portion extends towards the right side of the upper portion of the inward opening sash hollow cavity, and an inward opening sash second dovetail groove is formed below the inward opening sash second sealing strip portion;
the steel plate below the middle part of the left side of the internally opened fan hollow cavity is inwards bent and provided with an internally opened fan first U-shaped groove with the depth of b, and the steel plate above the internally opened fan first U-shaped groove is inwards bent and provided with an internally opened fan step;
the steel plate on the right side of the lower part of the internally opened fan hollow cavity is inwards bent and provided with an internally opened fan second U-shaped groove; the inward-opening sash section is a closed integrated structure formed by continuously cold-rolling a steel plate; the closed parts of the inner opening sash profiles are connected through welding, and a welding point is positioned on the right side of the middle part of the hollow cavity of the inner opening sash;
the inward 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 inward opening sash 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 embedded in 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;
a third C-shaped groove for installing a hinge is embedded in the first internally opened sash U-shaped groove, a first sealing strip and a second sealing strip are respectively clamped on the first internally opened sash dovetail groove and the second internally opened sash dovetail groove, a fourth C-shaped groove is arranged on the second internally opened sash U-shaped groove, a glazing bead of the internally opened sash is clamped on the fourth C-shaped groove, and a third sealing strip is fixedly connected to a sealing strip pressing wall of the glazing bead of the internally opened sash; a first sealing strip is clamped on the left muntin dovetail groove, and a second sealing strip is clamped on the right muntin dovetail groove;
a fifth C-shaped groove is formed in the position, close to the second side plate of the left muntin, above the first bulge of the left muntin, and a central sealing strip is clamped on the fifth C-shaped groove;
a sixth C-shaped groove for mounting a hinge is formed in the position, close to the second side plate of the left mullion, below the first protrusion of the left mullion, a seventh C-shaped groove is formed in the position, close to the second side plate of the right mullion, below the first protrusion of the right mullion, a glass pressing strip of the 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 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 utility model has the following advantages and beneficial effects:
the inward opening steel section fireproof window is simple in structure and convenient to use, and excellent fire resistance of the steel inward opening window is achieved through the matching arrangement of the double-layer fireproof 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 utility model 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 inwardly opened 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 an inwardly opened steel-profile fire resistant window, comprising:
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 mullion section bar 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 inward opening sash section bar 6 and a second inward opening sash section bar 7;
the first inward opening sash section bar 6 and the second inward opening sash 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 inward opening sash section bar 6 and the glass beads 70, and the right side of the first window glass 1 is clamped between the second inward opening sash section bar 7 which is symmetrically arranged with the first inward opening sash section bar 6 and the glass beads 70;
the right side of the first frame section bar 3 is connected with the left side of the first inward opening sash section bar 6 through a hinge, the right side of the second inward opening sash section bar 7 is connected with the left side of the mullion section bar 5 through a hinge, the right side of the mullion section bar 5 is provided with a glass bead 70, the left side of the second window glass 2 is clamped between the mullion section bar 5 and the glass bead 70, the second frame section bar 4 and the first frame section bar 3 are symmetrically arranged on the right side of the second window glass 2, 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 an inwardly opened steel-profile fire resistant window, comprising:
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 mullion section bar 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 inward opening sash section bar 6 and a second inward opening sash section bar 7;
the first inward opening sash section bar 6 and the second inward opening sash 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 inward opening sash section bar 6 and the glass beads 70, and the right side of the first window glass 1 is clamped between the second inward opening sash section bar 7 which is symmetrically arranged with the first inward opening sash section bar 6 and the glass beads 70;
the right side of the first frame section bar 3 is connected with the left side of the first inward opening sash section bar 6 through a hinge, the right side of the second inward opening sash section bar 7 is connected with the left side of the mullion section bar 5 through a hinge, the right side of the mullion section bar 5 is provided with a glass bead 70, the left side of the second window glass 2 is clamped between the mullion section bar 5 and the glass bead 70, the second frame section bar 4 and the first frame section bar 3 are symmetrically arranged on the right side of the second window glass 2, 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 mullion profile 5 includes a mullion sealing portion 41 and a mullion mounting portion 42; one end of the mullion installation part 42 is vertically arranged in the middle of the mullion sealing part 41; both ends of the connecting surface of the mullion sealing part 41 and the mullion mounting part 42 are provided with mullion dovetail grooves 411; the middle parts of two sides of the mullion installation part 42 are respectively provided with a mullion first bulge 421, and two sides of one end of the mullion installation part 42 departing from the mullion sealing part 41 are respectively provided with a mullion second bulge 422;
the sealing strip can be embedded in the sealing device through the mullion dovetail groove 411, so that a sufficient sealing effect is ensured during use; the mullion first bulge 421, the mullion second bulge 422 and the mullion sealing part 41 form a plurality of U-shaped mounting grooves in the mullion mounting part 42, and the U-shaped mounting grooves are used for fixing the C-shaped grooves, so that the sealing strips and the glass pressing strips can be conveniently mounted, and a good mounting effect is ensured when the glass pressing strip mounting structure is used.
The mullion section for the steel fire-resistant window is of an integrated cold roll forming structure;
the integral cold-bending forming structure enhances the structural strength of the utility model, and the production and the forming are more convenient; the material selected by the utility model is a steel section, and a cold-bending forming mode is adopted, so that the volume of the cavity in the utility model is increased to the maximum extent on the basis of ensuring enough structural strength, and the weight of the utility model is reduced; the steel section is adopted as the material of the utility model, the fire-resistant temperature of the utility model can reach 1200 ℃, and the better fire-resistant performance is ensured.
The mullion sealing part 41 comprises a mullion top plate 412, mullion first side plates 413 are connected to two sides of the mullion top plate 412, mullion first bottom plates 414 are connected to the bottoms of the inner sides of the two mullion first side plates 413, and the opposite ends of the two mullion first bottom plates 414 are connected to the tops of the mullion installation parts 42; the mullion dovetail groove 411 is formed by bending the mullion first bottom plate 414; the mullion installation part 42 comprises a mullion second bottom plate 423, two ends of the mullion second bottom plate 423 are connected with mullion second side plates 424, and the tops of the two mullion second side plates 424 are connected with the ends of the mullion first bottom plates 414 in the corresponding mullion sealing parts 41; the mullion second projection 422 is formed by bending the mullion second bottom plate 423; the mullion first projection 421 is formed by bending the mullion second side plate 424;
the two bent ends of the mullion section for the steel fire-resistant window are connected through welding, and the welding point is arranged on one second side plate 424 of the mullion; the mullion section bar for the steel fire-resistant window is of a bilateral symmetry structure; the utility model is connected by welding, so that enough structural strength is ensured at the joint, and the integral durability is enhanced; the welding points are arranged on the second side plate 424 of the mullion, which is not a main stress part and does not influence the overall structural strength of the utility model. The utility model adopts a bilateral symmetry structure, so that the stress of the utility model is relatively uniform, and the structural strength is stable.
The mullion dovetail groove 411 is of a concave structure, and the opening width of the mullion dovetail groove 411 is smaller than the bottom width of the mullion dovetail groove 411. The concave structure can ensure the stability of the whole structure of the utility model and improve the structural strength of assembly; the opening width of the mullion dovetail groove 411 is smaller than the bottom width of the mullion dovetail groove 411, so that the sealing strip can be better fixed, and a better sealing effect is ensured.
Further, in another embodiment, the first inward opening sash section bar 6 and the second inward opening sash section bar 7 both comprise an inward opening sash hollow cavity 31,
an inward opening first sealing strip portion 32 extends leftwards from the lower portion of the inward opening hollow cavity 31, and an inward opening first dovetail groove 321 is formed above the inward opening first sealing strip portion 32;
an inward opening second sealing strip portion 33 extends towards the right side from the upper portion of the inward opening hollow cavity 31, and an inward opening second dovetail groove 331 is formed below the inward opening second sealing strip portion 33;
a steel plate below the middle part of the left side of the internally opened fan hollow cavity 31 is bent inwards to form an internally opened fan first U-shaped groove 34 with the depth of b, and the steel plate above the internally opened fan first U-shaped groove 34 is bent inwards to form an internally opened fan step 35;
an inward opening sash second U-shaped groove 36 is formed in the steel plate on the right side of the lower portion of the inward opening sash hollow cavity 31 in a bending mode; the inward-opening sash section is a closed integrated structure formed by continuously cold-rolling a steel plate; the closed parts of the inner opening sash profiles are connected through welding, and a welding point 37 is positioned on the right side of the middle part of the hollow cavity 31 of the inner opening sash;
the inward opening sash step 35 comprises a step first transverse plate 351, a step first vertical plate 352, a step second transverse plate 353 and a step second vertical plate 354 which are sequentially arranged; the length of the step first horizontal plate 351 is a, and a < b; through the structure, the central sealing strip in the fire-resistant window can abut against the first horizontal plate 351 of the step to form a seal, and the sealing strip can abut against the second horizontal plate 353 of the step to form a seal.
The upper right of the second sealing strip portion 33 of the inward opening sash is a sloping plate 332. The inclined plate 332 is arranged, so that the height of the outward-opening second dovetail groove 331 is reduced, the outward-opening second dovetail groove is suitable for the position of glass, 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, the central sealing strip 201 can further enhance the water tightness and air tightness of the window, a second C-shaped groove 102 for mounting a hinge is embedded in 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 sealing strip 202 can contact with the inward opening sash step 35 of the first inward opening sash section bar 6 to form a seal.
The third C-shaped groove 103 for installing a hinge is embedded in the first inward opening sash U-shaped groove 34, the first sealing strip 202 and the second sealing strip 203 are respectively clamped on the first inward opening sash dovetail groove 321 and the second inward opening sash dovetail groove 331, and the first sealing strip 202 of the first inward opening sash section bar 6 can be contacted with the bottom of the first frame section bar 3 to form sealing; the first sealing strip 202 of the second inwardly opened sash profile 7 can be in contact with the bottom of the mullion profile 5, forming a seal. A fourth C-shaped groove 104 is formed in the second inward-opening-sash U-shaped groove 36, an inward-opening-sash glazing bead 70 is clamped on the fourth C-shaped groove 104, and a third sealing strip 204 is fixedly connected to a sealing strip pressing wall 72 of the inward-opening-sash glazing bead 70; the third sealing strip 204 and the second sealing strip 203 of the second dovetail groove 331 of the inward opening sash jointly clamp the first window glass 1 to form a seal.
A first sealing strip 202 is clamped on the mullion dovetail groove 411 on the left side, and a second sealing strip 203 is clamped on the mullion dovetail groove 411 on the right side; the first sealing strip 202 is contacted with the inward opening sash step 35 of the second inward opening sash section bar 7 to form sealing; the second sealing strip 203 is in contact with the second pane 2 to form a seal.
A fifth C-shaped groove 105 is formed in the position, close to the second side plate 424 of the mullion on the left side, above the first protrusion 421 of the mullion on the left side, and a central sealing strip 201 is clamped on the fifth C-shaped groove 105;
a sixth C-shaped groove 106 for mounting a hinge is formed in the position, close to the second side plate 424 of the left mullion, below the first protrusion 421 of the left mullion, a seventh C-shaped groove 107 is formed in the position, close to the second side plate 424 of the right mullion, below the first protrusion 421 of the right mullion, a glass pressing strip 70 of the 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 pressing strip 70 of the 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 utility model and the attached drawings, the person skilled in the art can easily make or use the inwardly-opened steel-section fireproof window of the utility model and can produce the positive effects described in the utility model.
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 (3)

1. Interior open steel section bar fire-resistant window, its characterized in that includes:
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 mullion section bar (5);
the window sash comprises a first inward opening sash section bar (6) and a second inward opening sash section bar (7);
the first inward opening sash section bar (6) and the second inward opening sash 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 inward opening sash section bar (6) and the glass beads (70), and the right side of the first window glass (1) is clamped between the second inward opening sash section bar (7) and the glass beads (70) which are symmetrically arranged with the first inward opening sash section bar (6);
the right side of the first frame section (3) is connected with the left side of the first inward opening sash section (6) through a hinge, the right side of the second inward opening sash section (7) is connected with the left side of the mullion section (5) through a hinge, a glass bead (70) is arranged on the right side of the mullion section (5), the left side of the second window glass (2) is clamped between the mullion section (5) and the glass bead (70), the second frame section (4) and the first frame section (3) are symmetrically arranged on the right side of the second window glass (2), the second frame section (4) is provided with the glass bead (70), and the right side of the second window glass (2) is clamped between the second frame section (4) and the glass bead (70);
the mullion section (5) comprises a mullion sealing part (41) and a mullion installation part (42); one end of the mullion mounting part (42) is vertically arranged in the middle of the mullion sealing part (41); both ends of the connecting surface of the mullion sealing part (41) and the mullion mounting part (42) are provided with mullion dovetail grooves (411); the middle parts of two sides of the mullion installation part (42) are respectively provided with a mullion first bulge (421), and two sides of one end of the mullion installation part (42) departing from the mullion sealing part (41) are respectively provided with a mullion second bulge (422); the mullion section for the steel fire-resistant window is of an integrated cold roll forming structure;
the mullion sealing part (41) comprises a mullion top plate (412), two sides of the mullion top plate (412) are respectively connected with a mullion first side plate (413), the bottoms of the inner sides of the two mullion first side plates (413) are respectively connected with a mullion first bottom plate (414), and the opposite ends of the two mullion first bottom plates (414) are connected to the top of the mullion installation part (42); the mullion dovetail groove (411) is formed by bending the mullion first bottom plate (414); the mullion mounting part (42) comprises a mullion second bottom plate (423), two ends of the mullion second bottom plate (423) are connected with mullion second side plates (424), and the tops of the two mullion second side plates (424) are connected with the end parts of the mullion first bottom plates (414) in the corresponding mullion sealing parts (41); the mullion second bulge (422) is formed by bending the mullion second bottom plate (423); the mullion first bulge (421) is formed by bending the mullion second side plate (424);
the two bent ends of the mullion profile for the steel fire-resistant window are connected through welding, and a welding spot is arranged on a second side plate (424) of the mullion; the mullion section bar for the steel fire-resistant window is of a bilateral symmetry structure;
well club dovetail (411) are indent formula structure, just the opening width of well club dovetail (411) is less than the bottom width of well club dovetail (411).
2. The inwardly open steel profile fire resistant window according to claim 1, wherein: the first window glass (1) and the second window glass (2) are both double-layer fire-resistant glass.
3. The inwardly open steel profile fire resistant window according to 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.
CN202023282896.7U 2020-12-30 2020-12-30 Inward-opening steel section fire-resistant window Active CN215565428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023282896.7U CN215565428U (en) 2020-12-30 2020-12-30 Inward-opening steel section fire-resistant window

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023282896.7U CN215565428U (en) 2020-12-30 2020-12-30 Inward-opening steel section fire-resistant window

Publications (1)

Publication Number Publication Date
CN215565428U true CN215565428U (en) 2022-01-18

Family

ID=79815858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023282896.7U Active CN215565428U (en) 2020-12-30 2020-12-30 Inward-opening steel section fire-resistant window

Country Status (1)

Country Link
CN (1) CN215565428U (en)

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