CN111827540A

CN111827540A - Glass curtain wall

Info

Publication number: CN111827540A
Application number: CN202010684317.7A
Authority: CN
Inventors: 彭鄂锋; 罗璇; 陈静
Original assignee: Shanghai Fengsi Chengjie Architectural Design And Research Institute Co ltd
Current assignee: Shanghai Fengsi Chengjie Architectural Design And Research Institute Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-10-27

Abstract

The utility model relates to a glass curtain wall, it includes main body frame and glass, main body frame includes stand and crossbeam, glass sets up on the crossbeam, the stand includes stand and lower stand, the junction of stand and lower stand is provided with electrically conductive, one side that the lower stand is close to building major structure is provided with the first connecting elements who is used for being connected with building major structure, the crossbeam includes entablature and bottom end rail, one side that the entablature is close to building major structure is provided with first fire prevention shutoff subassembly, one side that the bottom end rail is close to building major structure is provided with second fire prevention shutoff subassembly, be provided with third fire prevention shutoff subassembly between entablature and the bottom end rail, one side that building major structure was kept away from to entablature and bottom end rail is provided with second coupling assembling respectively, glass fixes on second coupling assembling, third fire prevention shutoff subassembly is located one side that glass is close to building major structure. This application has lightning protection and fire behavior good effect.

Description

Glass curtain wall

Technical Field

The application relates to the field of exterior wall enclosing structures of buildings, in particular to a glass curtain wall.

Background

The glass curtain wall is a building external protective structure or a decorative structure which has a certain displacement capacity relative to the main structure by a supporting structure system and does not bear the action of the main structure. The glass curtain wall is a beautiful and novel building wall decoration method and is a remarkable characteristic of modern high-rise building times.

The current glass curtain wall generally comprises a main body frame fixed on the outer surface of a building main body structure and glass installed on the main body frame, wherein the main body frame comprises a stand column and a cross beam, a first connecting piece used for being connected with the building main body structure is arranged on one side surface, close to the building main body structure, of the stand column, one side surface, far away from the building main body structure, of the stand column is fixed with the cross beam, a second connecting piece used for being connected with the glass is arranged on one side surface, far away from the building main body structure, of the cross beam, the glass is fixed on the second connecting piece, the main body frame is fixed on the.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that, because the glass curtain wall covers the outer surface of the building main body structure, and the material of the main body frame is mainly aluminum alloy section, when lightning strike occurs, the lightning protection device of the building main body structure itself cannot directly play a lightning protection role due to the shielding effect of the glass curtain wall, and the lightning strike often becomes a side strike to the glass curtain wall; or when a fire disaster happens, the glass is easy to crack due to the thermal expansion of the glass, and great potential safety hazard exists.

Disclosure of Invention

Guarantee to have good fire behavior in order to improve the lightning protection performance, this application provides a glass curtain wall.

The application provides a glass curtain wall adopts following technical scheme:

a glass curtain wall comprises a main body frame fixed on the outer surface of a building main body structure and glass arranged on the main body frame, wherein the main body frame comprises a stand column and a cross beam, the glass is arranged on the cross beam, the stand column comprises an upper stand column and a lower stand column which are coaxially arranged, a conductive piece is arranged at the joint of the upper stand column and the lower stand column, a first connecting component used for being connected with the building main body structure is arranged on one side of the lower stand column close to the building main body structure, the cross beam comprises an upper cross beam fixed on one side of the upper stand column far away from the building main body structure and a lower cross beam fixed on one side of the lower stand column far away from the building main body structure, a first fireproof plugging component is arranged on one side of the upper cross beam close to the building main body structure, a second fireproof plugging component is arranged on one side of the lower cross beam close to, the building main structure's that keeps away from one side of entablature and bottom end rail is provided with the second coupling assembling that is used for being connected with glass respectively, glass's both ends are fixed respectively on the second coupling assembling that corresponds, third fire prevention shutoff subassembly is located one side that glass is close to building main structure.

By adopting the technical scheme, the current generated by lightning stroke on the frame main body can be dispersed by utilizing the conductive piece, so that the lightning protection performance is improved; through setting up first fire prevention shutoff subassembly, second fire prevention shutoff subassembly and third fire prevention shutoff subassembly, very big improvement fire behavior, make glass more heat-resisting, improve glass curtain wall's overall stability.

Preferably, the number of the first connecting assemblies is two, the two first connecting assemblies are arranged at intervals along the axial direction of the lower upright post, one of the first connecting assemblies is positioned at a position close to the conductive piece, and a lightning protection equalizing ring used for being connected with a lightning protection device of the building main body structure is arranged on one side of the first connecting assembly close to the upper upright post.

Through adopting above-mentioned technical scheme, adopt two first connecting elements, promote overall structure's joint strength and support intensity, and lightning protection equalizer ring can form whole lightning protection system with building major structure's lightning protection device, further improves lightning protection performance.

Preferably, the first connecting component comprises an angle iron connecting plate, the angle iron connecting plate comprises a first connecting edge and a second connecting edge, the first connecting edge is used for being fixedly connected with an embedded part embedded in the main structure of the building, the second connecting edge is used for being fixedly connected with the lower stand column, and the lightning protection equalizing ring is fixed at the joint of the first connecting edge and the second connecting edge.

Through adopting above-mentioned technical scheme, realize down the stand and construct major structure's fixed, and connect firmly, use safe and reliable.

Preferably, the upper upright column is connected with the lower upright column through an upright column inserting core, one end of the upright column inserting core extends into the lower upright column and is fixedly connected with the lower upright column and the second connecting edge through a first fastener, the other end of the upright column inserting core is inserted and fixed in the upper upright column, and a gap is reserved between the upper upright column and the lower upright column to form an expansion joint.

Through adopting above-mentioned technical scheme, realize the connection of stand and lower stand, and through setting up the expansion joint, avoid upper and lower stand rigid contact, make glass curtain wall can adapt to the building because of the flexible deformation that reasons such as temperature and humidity caused.

Preferably, first fire prevention shutoff subassembly includes last shrouding, first shrouding and sets up the first fire prevention rock wool between last shrouding and first shrouding down, on going up shrouding one end and being fixed in the boss portion that building subject structure was equipped with, go up the shrouding other end and be fixed in entablature top surface, first shrouding one end is supported and is leaned on the boss portion that is equipped with in building subject structure, and the first shrouding other end is fixed in entablature bottom surface, go up and enclose jointly between shrouding, first shrouding, boss portion and the entablature and form first filling cavity, first fire prevention rock wool is filled in first filling cavity.

Through adopting above-mentioned technical scheme, realize the fire prevention shutoff function between entablature and the building major structure, improve glass curtain wall's fire behavior.

Preferably, the second fire prevention shutoff subassembly includes the shrouding under the second and fixes the second fire prevention rock wool on the shrouding under the second, the shrouding both ends are fixed respectively on building major structure and bottom end rail under the second, and the second fire prevention rock wool is located between building major structure and the third fire prevention shutoff subassembly.

Through adopting above-mentioned technical scheme, realize the fire prevention shutoff function between bottom end rail and the building major structure, improve glass curtain wall's fire behavior.

Preferably, the third fire prevention shutoff subassembly includes notch towards glass's cell type shutoff board, sets up in the closing cap board of cell type shutoff board notch and fills the third fire prevention rock wool that the intracavity was filled to the second that cell type shutoff board and closing cap board formed, the both ends of closing cap board are respectively through the both sides pterygoid lamina fixed connection of external corner board with cell type shutoff board, one side pterygoid lamina of cell type shutoff board is fixed in the entablature bottom surface, and the opposite side pterygoid lamina of cell type shutoff board is fixed in the bottom end rail top surface.

Through adopting above-mentioned technical scheme, realize separating completely through fire prevention shutoff subassembly between glass and the building major structure to make glass more heat-resisting, improve glass curtain wall's overall stability.

Preferably, the second coupling assembling includes the connection frame, one side that the connection frame is close to building major structure compresses tightly through briquetting and second fastener and is fixed in entablature or bottom end rail side, and one side that building major structure was kept away from to the connection frame is with glass seal fixed connection.

Through adopting above-mentioned technical scheme, realize glass respectively with the fixed connection of entablature and bottom end rail, and sealed effectual, connect firmly.

Preferably, a sealing rubber strip is arranged between the connecting frame and the upper cross beam or the lower cross beam.

Through adopting above-mentioned technical scheme, guarantee the sealed effect between connecting frame and entablature or the bottom end rail.

Preferably, the side of the upper cross beam and the side of the lower cross beam, which are far away from the building main body structure, are provided with glass holders for supporting glass.

Through adopting above-mentioned technical scheme, realize carrying out the auxiliary stay to glass to improve holistic support intensity.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of part B of fig. 1.

Description of reference numerals: 1. glass; 21. an upper upright post; 22. a lower upright post; 23. an upper cross beam; 24. a lower cross beam; 25. inserting a column into a core; 26. an expansion joint; 3. a conductive member; 4. a building body structure; 41; embedding parts; 42. a boss portion; 5. a first connection assembly; 51. a lightning protection grading ring; 52. angle steel connecting plates; 53. a first fastener; 6. a first fire blocking assembly; 61. an upper sealing plate; 62. a first lower sealing plate; 63. first fireproof rock wool; 7. a second fire blocking assembly; 71. a second lower sealing plate; 72. second fireproof rock wool; 8. a third fire prevention plugging component; 81. a groove-shaped plugging plate; 82. sealing the cover plate; 83. third fire prevention rock wool; 84. a male corner panel; 9. a second connection assembly; 91. a connecting frame; 92. briquetting; 93. a second fastener; 94. sealing rubber strips; 10. and (4) a glass support.

Detailed Description

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

The embodiment of the application discloses a glass curtain wall. Referring to fig. 1, the glass curtain wall comprises a main body frame fixed on the outer surface of a building main body structure 4 and glass 1 arranged on the main body frame, the main body frame comprises a vertical column and a cross beam, the glass 1 is arranged on the cross beam, the vertical column comprises an upper vertical column 21 and a lower vertical column 22 which are coaxially arranged, a conductive piece 3 is arranged at the joint of the upper vertical column 21 and the lower vertical column 22, a first connecting component 5 used for being connected with the building main body structure 4 is arranged at one side of the lower vertical column 22 close to the building main body structure 4, the cross beam comprises an upper cross beam 23 fixed at one side of the upper vertical column 21 far away from the building main body structure 4 and a lower cross beam 24 fixed at one side of the lower vertical column 22 far away from the building main body structure 4, a first fireproof sealing component 6 is arranged at one side of the upper cross beam 23 close to the building main body structure 4, a second fireproof sealing component 7 is arranged, one side of the upper beam 23 and the lower beam 24 far away from the building main body structure 4 is respectively provided with a second connecting component 9 used for being connected with the glass 1, two ends of the glass 1 are respectively fixed on the corresponding second connecting components 9, and the third fire-proof sealing component 8 is positioned on one side of the glass 1 close to the building main body structure 4. The conductive piece 3 is arranged to dissipate the current generated by lightning stroke on the frame main body, so that the lightning protection performance is improved; through setting up first fire prevention shutoff subassembly 6, second fire prevention shutoff subassembly 7 and third fire prevention shutoff subassembly 8, very big improvement fire behavior, make glass 1 more heat-resisting, improve glass curtain wall's overall stability. In the embodiment, the upper upright post 21, the lower upright post 22, the upper cross beam 23 and the lower cross beam 24 are all aluminum alloy sections, and the upper cross beam 23 and the upper upright post 22, and the lower cross beam 24 and the lower upright post 22 are fixed by welding; the conductive piece 3 is a copper braided belt, and two ends of the conductive piece 3 are respectively fixed on the upper upright post 21 and the lower upright post 22 through locking screws; the glass 1 is made of hollow toughened glass, and two adjacent pieces of glass are connected in a sealing mode through silicone weather-resistant sealing glue and a foam rod.

Referring to fig. 1, there are two first connection assemblies 5, two first connection assemblies 5 are axially spaced along the lower vertical column 22, one of the first connection assemblies 5 is located near the conductive member 3, and one side of the first connection assembly 5 near the upper vertical column 21 is provided with a lightning protection grading ring 51 for connecting with a lightning protection device of the building main body structure 4. In this embodiment, two first connecting assemblies 5 are located the homonymy, one of them first connecting assembly 5 is located and is close to lower column 22 upper end department, another first connecting assembly 5 is located and is close to lower column 22 lower extreme department, through adopting two first connecting assemblies 5, promote overall structure's joint strength and support strength, and lightning protection equalizer ring 51 adopts the annular steel ring of the ring of diameter 12mm, be connected with the lightning protection device electricity of building main structure 4 through lightning protection equalizer ring 51, can form whole lightning protection system, further improve lightning protection performance.

Referring to fig. 1, the first connection assembly 5 includes an angle connection plate 52, the angle connection plate 52 includes a first connection edge for fixedly connecting with an embedded part 41 embedded in the building main body structure 4 and a second connection edge for fixedly connecting with the lower column 22, and the lightning protection grading ring 51 is fixed at a combination position of the first connection edge and the second connection edge. In this embodiment, the first connecting edge is welded and fixed to the embedded part 41, the second connecting edge is welded and fixed to the outer surface of the lower column 22, and the lightning protection grading ring 51 is welded and fixed to the joint of the first connecting edge and the second connecting edge.

Referring to fig. 1 and 2, the upper column 21 is connected with the lower column 22 through a column ferrule 25, one end of the column ferrule 25 extends into the lower column 22 and is fixedly connected with the lower column 22 and a second connecting edge through a first fastener 53, the first fastener 53 of the embodiment is a stainless steel bolt, a kidney-shaped hole through which the first fastener 53 passes is formed in the second connecting edge, a through hole through which the first fastener 53 passes is correspondingly formed in the side wall of the lower column 22, the first fastener 53 sequentially passes through the kidney-shaped hole in the second connecting edge and the through hole in the lower column 22 to lock and fix the column ferrule 25, a gasket for positioning the first fastener 53 is welded and fixed on the second connecting edge, and the gasket is fixed on the second connecting edge through spot welding after the position of the first fastener 53 is adjusted; the other end of the column insert core 25 is inserted and fixed in the upper column 11, a gap is left between the upper column 11 and the lower column 22 to form an expansion joint 26, and the length of the expansion joint 26 in this embodiment is 15 mm-20 mm.

Referring to fig. 2, first fire prevention shutoff subassembly 6 includes last shrouding 61, first shrouding 62 and set up the first fire prevention rock wool 63 between last shrouding 61 and first shrouding 62, go up shrouding 61 one end and be fixed in on the boss portion 42 that building major structure 4 was equipped with through penetrating the nail, go up the shrouding 61 other end through bolted fixation in entablature 23 top surface, first shrouding 62 one end is supported and is leaned on the boss portion 42 that is equipped with in building major structure 4, first shrouding 62 other end is through fix with rivet in entablature 23 bottom surface, go up shrouding 61, first shrouding 62, form first filling cavity jointly enclosed between boss portion 42 and the entablature 23, first fire prevention rock wool 63 fills in first filling cavity, realize the fire prevention shutoff function between entablature 23 and the building major structure 4, improve glass curtain's. In this embodiment, the upper sealing plate 61 and the first lower sealing plate 62 are made of galvanized steel plates with a thickness of 1.5mm, and the first fireproof rock wool 63 is 100mm thick.

Referring to fig. 3, the second fire-proof sealing assembly 7 includes a second lower sealing plate 71 and a second fire-proof rock wool 72 fixed on the second lower sealing plate 71, two ends of the second lower sealing plate 71 are respectively fixed on the building main structure 4 and the lower beam 24, and the second fire-proof rock wool 72 is located between the building main structure 4 and the third fire-proof sealing assembly 8. In this embodiment, one end of the second lower sealing plate 71 is fixed to the building main body structure 4 by a nail, and the other end of the second lower sealing plate 71 is fixed to the side surface of the lower cross beam 24 by a bolt, so that the fireproof sealing function between the lower cross beam 24 and the building main body structure 4 is realized, and the fireproof performance of the glass curtain wall is improved; the second lower sealing plate 71 is made of galvanized steel plate with the thickness of 1.5mm, and the second fireproof rock wool 72 is 100mm thick.

Referring to fig. 2 and 3, the third fire prevention blocking assembly 8 includes a groove-shaped blocking plate 81 with a notch facing the glass 1, a cover plate 82 disposed at the notch of the groove-shaped blocking plate 81, and third fire prevention rock wool 83 filled in a second filling cavity formed by the groove-shaped blocking plate 81 and the cover plate 82, two ends of the cover plate 82 are respectively fixedly connected with two side wing plates of the groove-shaped blocking plate 81 through an external corner plate 84, one side wing plate of the groove-shaped blocking plate 81 is fixed to the bottom surface of the upper beam 23 through a rivet, and the other side wing plate of the groove-shaped blocking plate 81 is fixed to the top surface of the lower beam 24 through a rivet. In the embodiment, one edge of the external corner plate 84 and the wing plate of the groove-shaped plugging plate 81 are fixed on the upper cross beam 23 or the lower cross beam 24 together through rivets, and the other edge of the external corner plate 84 is fixedly connected with the plugging plate 82 through bolts, so that the glass 1 is completely separated from the building main body structure 4 through the fireproof plugging assembly, the glass 1 is more heat-resistant, and the integral stability of the glass curtain wall is improved; the slot type shutoff board 81 adopts the spraying iron plate that thickness is 1.2mm, and the thickness of third fire prevention rock wool 83 is 50 mm.

Referring to fig. 2 and 3, the second connecting assembly 9 includes a connecting frame 91, one side of the connecting frame 91 close to the building main body structure 4 is fixed on the side of the upper cross beam 23 or the lower cross beam 24 by pressing through a pressing block 92 and a second fastener 93, and one side of the connecting frame 91 far from the building main body structure 4 is fixedly connected with the glass 1 in a sealing manner. In this embodiment, the second fastening member is a bolt, the connection frame 91 is fixedly connected to the glass seal by a silicone structural sealant and a double-sided tape, and both the connection frame 91 and the pressing block 92 are made of an aluminum alloy material.

Referring to fig. 2 and 3, a sealing rubber strip 94 is arranged between the connecting frame 91 and the upper cross beam 23 or the lower cross beam 24, one side surface of the sealing rubber strip 94 is bonded and fixed on the upper cross beam 23 or the lower cross beam 24, and the other side surface of the sealing rubber strip 94 is embedded into a clamping groove formed in the side wall of the connecting frame 91, so that the sealing effect between the connecting frame 91 and the upper cross beam 23 or the lower cross beam 24 is ensured.

Referring to fig. 2 and 3, a glass support 10 for supporting the glass 1 is arranged on one side of the upper beam 23 and the lower beam 24 away from the building main body structure 4, one end of the glass support 10 is fixed on the side of the upper beam 23 or the lower beam 24 through a bolt, and the other end of the glass support 10 abuts against one side of the glass 1 facing the building main body structure 4, so that the glass 1 is supported in an auxiliary manner.

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

Claims

1. The utility model provides a glass curtain wall, is including being fixed in the main body frame of building major structure (4) surface and glass (1) of setting on main body frame, main body frame includes stand and crossbeam, glass (1) sets up on the crossbeam, its characterized in that: the upright post comprises an upper upright post (21) and a lower upright post (22) which are coaxially arranged, a conductive piece (3) is arranged at the joint of the upper upright post (21) and the lower upright post (22), a first connecting component (5) used for being connected with the main building structure (4) is arranged on one side, close to the main building structure (4), of the lower upright post (22), the beam comprises an upper beam (23) fixed on one side, far away from the main building structure (4), of the upper upright post (21) and a lower beam (24) fixed on one side, far away from the main building structure (4), of the lower upright post (22), a first fireproof blocking component (6) is arranged on one side, close to the main building structure (4), of the upper beam (23), a second fireproof blocking component (7) is arranged on one side, close to the main building structure (4), of the lower beam (24), and a third fireproof blocking component (8) is arranged between the upper beam (23) and the lower, one side that building major structure (4) were kept away from in entablature (23) and bottom end rail (24) is provided with second coupling assembling (9) that are used for being connected with glass (1) respectively, the both ends of glass (1) are fixed respectively on second coupling assembling (9) that correspond, third fire prevention shutoff subassembly (8) are located one side that glass (1) are close to building major structure (4).

2. The glass curtain wall of claim 1, wherein: first connecting elements (5) are two, and two first connecting elements (5) set up along stand (22) axial interval down, and one of them first connecting element (5) are located and are close to electrically conductive (3) department, and this first connecting element (5) are close to one side of last stand (21) and are provided with lightning protection equalizer ring (51) that are used for being connected with the lightning protection device of building major structure (4).

3. The glass curtain wall of claim 2, wherein: first connecting elements (5) include angle-bar connection board (52), angle-bar connection board (52) including be used for with building major structure (4) pre-buried built-in fitting (41) fixed connection's first connection limit and be used for with lower stand (22) fixed connection's second connection limit, lightning protection equalizer ring (51) are fixed in the combination department on first connection limit and second connection limit.

4. The glass curtain wall of claim 3, wherein: go up and be connected through stand lock pin (25) between stand (21) and the lower stand (22), stand lock pin (25) one end stretches into down in stand (22) to through first fastener (53) and stand (22) and second connection limit fixed connection down, in stand lock pin (25) other end is pegged graft and is fixed in last stand (21), it forms expansion joint (26) to leave the clearance between last stand (21) and the lower stand (22).

5. The glass curtain wall of claim 1, wherein: first fire prevention shutoff subassembly (6) are including last shrouding (61), first shrouding (62) and set up first fire prevention rock wool (63) between last shrouding (61) and first shrouding (62) down, on last shrouding (61) one end is fixed in boss portion (42) that building major structure (4) were equipped with, go up shrouding (61) other end and be fixed in entablature (23) top surface, first shrouding (62) one end supports and leans on boss portion (42) that are equipped with in building major structure (4), and first shrouding (62) other end is fixed in entablature (23) bottom surface down, go up shrouding (61), first shrouding (62) down, boss portion (42) and entablature (23) between enclose jointly and close and form first filling cavity, first fire prevention rock wool (63) are filled in first filling cavity.

6. The glass curtain wall of claim 1, wherein: the second fire prevention shutoff subassembly (7) include shrouding (71) under the second and fix second fire prevention rock wool (72) on shrouding (71) under the second, shrouding (71) both ends are fixed respectively on building major structure (4) and bottom end rail (24) under the second, and second fire prevention rock wool (72) are located between building major structure (4) and third fire prevention shutoff subassembly (8).

7. The glass curtain wall of claim 6, wherein: third fire prevention shutoff subassembly (8) include notch towards glass's cell type shutoff board (81), set up in shutoff board (82) of cell type shutoff board (81) notch and fill third fire prevention rock wool (83) of intracavity in the second that cell type shutoff board (81) and shutoff board (82) formed, the both ends of shutoff board (82) are respectively through the both sides pterygoid lamina fixed connection of external corner board (84) and cell type shutoff board (81), one side pterygoid lamina of cell type shutoff board (81) is fixed in entablature (23) bottom surface, and the opposite side pterygoid lamina of cell type shutoff board (81) is fixed in bottom end rail (24) top surface.

8. The glass curtain wall of claim 1, wherein: second coupling assembling (9) are including connection frame (91), one side that connection frame (91) are close to building major structure (4) compresses tightly through briquetting (92) and second fastener (93) and is fixed in entablature (23) or bottom end rail (24) side, and one side that building major structure (4) were kept away from in connection frame (91) is sealed fixed connection with glass (1).

9. The glass curtain wall of claim 8, wherein: and a sealing rubber strip (94) is arranged between the connecting frame (91) and the upper cross beam (23) or the lower cross beam (24).

10. The glass curtain wall of claim 1, wherein: and a glass support (10) for supporting the glass (1) is arranged on one side of the upper cross beam (23) and the lower cross beam (24) far away from the building main body structure (4).