Outer wall window structure node in fabricated building

Abstract

The utility model provides an outer wall window structure node in a fabricated building, which is characterized in that between two vertically adjacent outer window frames at the node, one side, facing the outdoor, of a floor is vertically bent upwards to form a vertical plate section, a first joint is formed between the top end of the vertical plate section and the bottom end of an outer wall, and a weather-proof silicone sealant is filled in a gap reserved facing the outdoor side; a second joint is formed at the joint of the outer window frame and the adjacent component, and weather-proof silicone sealant is filled in gaps at the two ends; the bent part of the floor slab is supported by an I-shaped steel beam below, an inner cavity of the I-shaped steel beam is filled and blocked by an autoclaved aerated block, a third joint is formed at the joint of a lower flange and a component below, weather-proof silicone sealant is embedded in gaps at the two ends, and a fireproof coating is arranged at the remaining exposed part of a beam body; alkali-resistant glass fiber gridding cloth is laid and hung on the indoor The structure is easy to construct, good in reliability, good in construction effect and capable of solving the quality problems of water seepage, cracking and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building, more specifically to an outer wall window structure node in fabricated building. BACKGROUND

[0002] Fabricated building refers to the part and component produced in factory, which is assembled and connected in construction site, and has the characteristics of light weight, short construction period, excellent engineering economy, excellent seismic performance and the like. The outer envelope system as a part of the fabricated building system is composed of building outer wall, roof, outer door and window and other parts and components, and is used to separate the indoor and outdoor environment, and has the functions of heat preservation, heat insulation, sound insulation, waterproof, moisture-proof, fire resistance and durability, and also has the effect of building artistic decoration.

[0003] In the fabricated building, the connection node of the prefabricated outer wall and the outer window still has the quality problems of complex construction, poor construction effect, easy water seepage, easy cracking and poor heat preservation and insulation, which hinders the promotion and application of the fabricated building. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides an outer wall window structure node in fabricated building, which is easy to construct, has good reliability and good construction effect, and can improve the quality problems of water seepage and cracking.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An outer wall window structure node in fabricated building, at the node, between two vertically adjacent outer window frames:

[0007] The floor is vertically upwardly bent on the side facing the outdoor to form a vertical plate segment, the plate surfaces on the indoor side and the outdoor side of the vertical plate segment are flush with the outer wall, and the gap between the top end and the bottom end of the outer wall is filled with 1:3 cement mortar to form a first joint, and the gap left on the outdoor side of the first joint is filled with weather-resistant silicone sealant;

[0008] The gap at the intersection of the outer window frame and the adjacent component is filled with 1:3 cement mortar to form a second joint, and the gaps at both ends of the second joint are filled with weather-resistant silicone sealant;

[0009] The floor is supported by the I-beam from below at the bending position, the inner cavity of the I-beam is filled and plugged with autoclaved aerated concrete, the side facing the outdoor is flush with the outer wall surface, the upper flange is attached to the bottom end of the floor, the gap at the intersection of the lower flange and the lower component is filled with polyurethane foaming agent to form a third joint, the gaps at both ends of the third joint are filled with weather-resistant silicone sealant, and a fireproof coating is arranged on the remaining exposed part of the beam body;

[0010] The indoor side is paved with the alkali-resistant glass fiber mesh cloth, the bottom end of the alkali-resistant glass fiber mesh cloth is connected to the second joint at the top end of the lower outer window frame, extends along the corner part between the outer window frame and the floor, and forms a horizontal lap joint part at the top end.

[0011] The structural features of the utility model also lie in that:

[0012] The adjacent component of the outer window frame which forms the second joint together with the outer window frame comprises an outer wall and a window head lintel.

[0013] The lower component which forms the third joint together with the lower flange of the I-beam comprises a window head lintel.

[0014] The window head lintel is a rectangular pipe with an internal cavity, a specification of 200*130*10mm, and is arranged between the I-beam and the lower outer window frame.

[0015] The horizontal lap joint part is 150mm long.

[0016] The fireproof coating is coated with an intumescent fireproof paint.

[0017] The building outer wall is a prefabricated outer wall plate, and the floor is a reinforced concrete floor.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model fills the gap between the floor and the outer wall, the gap between the outer window frame and the adjacent component with 1:3 cement mortar, fills the gap between the I-beam and the lower component with a polyurethane foaming agent, and embeds weather-resistant silicone sealant in each joint, so that each joint has good sealing, waterproof and anti-permeability, effectively prevents dust, moisture and water from entering the connecting node, and the indoor side of the node is hung with alkali-resistant glass fiber mesh cloth, the length of the floor lap joint is 150mm, the alkali-resistant glass fiber mesh cloth is used as an efficient anti-cracking protective reinforcement material, can effectively improve the anti-cracking, anti-permeability and corrosion resistance of the node, the internal cavity of the I-beam is filled and blocked with autoclaved aerated concrete, and the remaining exposed part of the beam body is coated with a fireproof coating, so that the sound insulation, heat preservation and fire resistance of the node are improved, the above structural design solves the problems of easy cracking, easy bulging and poor integrity of the outer wall and window structure node in the current prefabricated building, has the advantages of high reliability, good construction effect, high applicability, etc., solves the existing problems, improves the construction efficiency due to easy construction, and is beneficial to the development and popularization of prefabricated steel structure buildings. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] In the figure, 1, outer wall; 2, outer window frame; 3, floor; 31, vertical plate section; 4, I-beam; 5, autoclaved aerated concrete block; 61, first joint; 62, second joint; 7, third joint; 8, weather-resistant silicone sealant; 9, fireproof coating; 10, alkali-resistant glass fiber mesh; 101, horizontal lap section; 11, window lintel. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figure 1 The outer wall window structure node structure of the prefabricated building in the embodiments is provided with the following structure:

[0024] The side of the floor 3 facing the outdoor is vertically upwardly bent to form a vertical plate section 31, the plate surface of the indoor side and the outdoor side of the vertical plate section 31 is flush with the outer wall 1, the gap between the top end and the bottom end of the outer wall 1 is filled with 1:3 cement mortar to form a first joint 61, and the gap left on the outdoor side of the first joint 61 is embedded with weather-resistant silicone sealant 8;

[0025] The gap at the joint of the outer window frame 2 and the adjacent component is filled with 1:3 cement mortar to form a second joint 62, and the gaps at both ends of the second joint 62 are embedded with weather-resistant silicone sealant 8;

[0026] The floor 3 is supported by the I-beam 4 from below at the bending position, the cavity in the I-beam 4 is filled and blocked by the autoclaved aerated concrete block 5, the side facing the outdoor is flush with the wall surface of the outer wall 1, the upper flange is attached to the bottom end of the floor 3, the gap at the joint of the lower flange and the lower component is filled with polyurethane foaming agent to form a third joint 7, the gaps at both ends of the third joint 7 are embedded with weather-resistant silicone sealant 8, and the remaining exposed part of the beam body is provided with a fireproof coating 9;

[0027] The indoor side is paved with alkali-resistant glass fiber mesh 10, the bottom end of the alkali-resistant glass fiber mesh 10 is connected to the second joint 62 at the top end of the lower outer window frame 2, extends along the corner part between the outer window frame 2 and the floor 3, forms a horizontal lap section 101 at the top end, and is lapped on the bottom end of the floor 3 through the horizontal lap section 101; the alkali-resistant glass fiber mesh 10, as a kind of efficient anti-cracking protective reinforcing material, can effectively improve the anti-cracking, anti-permeability and corrosion resistance of the node, has good construction effect and low cost.

[0028] In the specific implementation, the structure of the window node of the prefabricated building also includes the following:

[0029] The adjacent component of the outer window frame 2 that forms the second joint 62 with the outer window frame 2 includes the outer wall 1 and the window lintel 11, which is a rectangular tube with an internal cavity and a size of 200x130x10mm, and is arranged between the I-beam 4 and the lower outer window frame 2.

[0030] The lower component that forms the third joint 7 with the lower flange of the I-beam 4 includes the window lintel 11.

[0031] The horizontal overlap section 101 is 150mm long.

[0032] The fireproof coating 9 is made of intumescent fireproof paint, which is used for fireproof treatment of the exposed part after the I-beam 4 is sealed. The intumescent fireproof paint has excellent fire resistance and high expansion performance, which can improve the fire resistance of the exposed part of the beam and play a certain degree of caulking role.

[0033] The building outer wall 1 is made of prefabricated outer wall 1 panels, which can be standardized in the processing plant, have good construction effect and high applicability. The floor 3 is a reinforced concrete floor 3, which has high strength, high bearing capacity and high durability, making the construction more convenient and fast.

[0034] The outer wall 1 window is an aluminum alloy outer window, which uses heat-insulating profiles and hollow glass, and has good heat insulation, sound insulation and energy-saving effects.

[0035] The I-beam 4 is a load-bearing component, which has high strength, high stiffness, corrosion resistance and easy processing. The internal cavity of the beam is filled and sealed by autoclaved aerated concrete blocks 5. The autoclaved aerated concrete blocks 5 have the characteristics of light weight, good thermal insulation performance, strong anti-seismic ability and good processing performance. By cutting the autoclaved aerated concrete blocks 5 to fill the cavity of the I-beam 4, the sound insulation and thermal insulation performance of the node can be effectively improved.

[0036] 1:3 cement mortar is used for caulking, which can improve the flatness and density of the connection between different materials. Polyurethane foaming agent is used for caulking, which can tightly and reliably fill the gap by using its good expansion performance, waterproof performance and stable chemical properties. Silicone weather-resistant sealant is used for caulking, which can effectively prevent dust, moisture and water from entering the internal connection node by using its good sealing performance, excellent waterproof and anti-permeability performance and long-lasting durability, thereby further improving the construction quality of the window node of the outer wall 1.

[0037] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A node of a wall window construction in a fabricated building, characterized in that, At the node, between two vertically adjacent outer window frames: The floor bends vertically upwards towards the outdoor side to form a vertical plate segment, the plate surface on the indoor side and the outdoor side are flush with the outer wall, the gap between the top end and the bottom end of the outer wall is filled with 1:3 cement mortar to form a first joint, and the gap left towards the outdoor side is filled with weather-resistant silicone sealant; The gap at the intersection of the outer window frame and the adjacent component is filled with 1:3 cement mortar to form a second joint, and the gaps at both ends of the second joint are filled with weather-resistant silicone sealant; The floor at the bending position is supported by the I-beam from below, the cavity of the I-beam is filled and sealed with autoclaved aerated concrete, the side towards the outdoor side is flush with the outer wall surface, the upper flange is attached to the bottom end of the floor, the gap at the intersection of the lower flange and the lower component is filled with polyurethane foaming agent to form a third joint, the gaps at both ends of the third joint are filled with weather-resistant silicone sealant, and the remaining exposed part of the beam body is provided with a fireproof coating; The indoor side is paved with alkali-resistant glass fiber mesh, which is connected to the second joint at the top end of the lower outer window frame, extends along the corner between the outer window frame and the floor, and forms a horizontal lap joint at the top end.

2. The exterior wall window construction joint node in the fabricated building according to claim 1, characterized in that: The adjacent component of the outer window frame that forms the second joint with the outer window frame includes the outer wall and the window header.

3. The exterior wall window construction joint node in the fabricated building according to claim 1, characterized in that: The lower component that forms the third joint with the lower flange of the I-beam includes the window header.

4. The exterior wall window construction joint node in the fabricated building according to claim 2 or 3, characterized in that: The window header is a rectangular tube with an internal cavity and a specification of 200x130x10mm, which is arranged between the I-beam and the lower outer window frame.

5. The exterior wall window construction node in a fabricated building of claim 1, characterized by: The horizontal lap joint is 150mm long.

6. The exterior wall window construction node in a fabricated building of claim 1, characterized by: The fireproof coating is coated with intumescent fireproof coating.

7. The exterior wall window construction node in a fabricated building of claim 1, characterized by: The outer wall uses prefabricated outer wall panels, and the floor is a reinforced concrete floor.

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