CN110629885A - A prefabricated light steel structure house - Google Patents

Abstract

A prefabricated light steel structure house. The light steel structure house includes a foundation, wall panels, floor slabs, roof frames and connecting members connecting the main structure of the house. The connecting members include strip-shaped pull-out parts, stiffeners, guide beams and Purlins; guide beams are set on the foundation, and a layer of wall panels are fixed on the foundation through the guide beams; strip-shaped pullout parts are arranged at the ends of the wall panels, and the two vertically intersecting wall panels are connected by stiffeners. Purlins are erected on the top of the slabs, and floor slabs are laid on the purlins; the wall panels and floor slabs are spliced with each other to form the main body of the house, and roof frames are erected on the top wall panels to form the house structure. The present invention forms a complete connection structure system of light steel structure houses by standardizing the form of connecting components between the foundation and wall panels, wall panels and floor panels, wall panels and roof frames, and wall panels, improving the installation efficiency of on-site construction, and improving The overall quality of the building.

Description

A prefabricated light steel structure house

technical field

The invention relates to the technical field of building structure engineering, in particular to an assembled light steel structure house.

Background technique

Light steel structure is a building form with thin-walled steel components as the main structure. Due to its advantages of high assembly degree, superior strength to weight ratio, and environmental protection, it has been strongly supported by national policies and widely recognized and accepted by the construction industry. The main structure of the light steel structure, such as roof purlins, beams, doors and windows, wall panels, and floor slabs, is made of thin-walled steel. Due to the uniform specifications, the general main structure is prefabricated in the factory, and then assembled into various forms of buildings on site according to design requirements. . It is a new type of prefabricated building system that reduces environmental pollution and improves construction efficiency. It is widely used in low-rise or multi-storey buildings with relatively small loads such as villas, warehouses, and entertainment venues.

Prefabricated wall panels, floor slabs, beams, columns and other structures in light steel structure houses usually require connecting components to connect, but various connecting components not only have various forms and sizes, but also are numerous, which can easily cause difficulties for on-site construction. At the same time, there is no unified and scientific construction specification for the thin-walled steel building system. Each building and production unit often formulates its own construction specification according to its own characteristics, which may easily lead to a situation of strong randomness in construction and inconsistent construction quality, which restricts the further development of the industry.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the existing technology and provide a prefabricated light steel structure building. By establishing a complete set of scientific connection component system and construction process, the installation efficiency of on-site construction can be improved, and the construction efficiency can be improved. overall quality.

Technical problem described in the present invention is realized with following technical scheme:

A prefabricated light steel structure house. The light steel structure house includes a foundation, wall panels, floor slabs, roof trusses and connecting members connecting the main structure of the house. The wall panels are composite prefabricated panels, and frames are set on the top and bottom of the wall panels. A number of keels are distributed at the end of the wall panel and inside the wall panel. The keels are two oppositely arranged C-shaped steels. The wall formed by the frame and the keels at the end is filled with thermal insulation materials to form an insulation layer; the connecting members include strip-shaped pull-out parts , stiffeners, guide beams and purlins; guide beams are set on the foundation, and a layer of wall panels are fixed on the foundation through guide beams; The boards are connected by stiffeners, purlins are erected on the top of the wall boards, and floor slabs are laid on the purlins; the wall boards and floor boards are spliced to form the main body of the house, and the roof frame is erected on the top wall board to form the house structure.

In the above prefabricated light steel structure house, the guide beam includes a bottom guide beam and an H-shaped guide beam, and the bottom guide beam is laid on the foundation foundation, and the bottom guide beam is U-shaped channel steel; In the bottom guide beam, an H-shaped guide beam is arranged on the top of a layer of wallboards, the shape of the cross-section of the H-shaped guide beam is H-shaped, and the upper wallboard is arranged in the groove on the upper part of the H-shaped guide beam.

In the above-mentioned prefabricated light steel structure house, the strip-shaped pull-out parts include gussets and lining plates arranged inside the gussets, and the gussets are U-shaped; the lower part of the strip-shaped pull-out parts on the first floor is fixed in the foundation, The upper part is fastened to the end of the wallboard; the strip-shaped anti-pullout parts of the upper layer are respectively fastened to the upper end of the lower wallboard and the lower end of the upper wallboard; the lining board is fastened to the outside of the end keel, and the lining board abuts Between the two C-shaped steels of the keel.

In the above-mentioned prefabricated light steel structure house, the stiffeners include L-shaped stiffeners, and the joints of vertically intersecting wall panels are composed of multiple sets of keels to form keel columns; L-shaped stiffeners are arranged on the inside or/and outside of the keel columns; L-shaped stiffeners The piece is made of angle steel, and the L-shaped stiffener is fixedly connected with two vertically intersecting wall panels.

In the above prefabricated light steel structure house, the stiffener is a U-shaped stiffener, the U-shaped stiffener is fixed outside the keel of the wall panel, and the end keel of the vertical intersecting wall panel is fixed in the U-shaped groove of the U-shaped stiffener; The U-shaped stiffener is channel steel, and the width of the channel steel web is greater than the width of the keel.

In the above prefabricated light steel structure house, the end of the wall panel facade is provided with a snap-in mechanism, and the snap-in mechanism includes a buckle and a slot that cooperate with each other, and the buckle and the slot are respectively arranged at both ends of the wall panel ;The middle of the buckle is filled with an insulation layer, and the height of the buckle is 100-200mm.

In the above-mentioned prefabricated light steel structure house, the buckle includes a convex part and an extension part, the extension part connects the convex part and the outer side of the wing plate of the keel at the end of the wall panel, the shape of the cross section of the convex part is fan-shaped, and the central angle of the fan shape is 110° °-140°; the convex parts are set opposite to each other, and the opposite side of the convex part is provided with a hook; the shape of the groove of the card slot matches the shape of the convex part.

The present invention forms a complete connection structure system of light steel structure houses by standardizing the form of connecting components between the foundation and wall panels, wall panels and floor slabs, wall panels and roof frames, and wall panels, and ends the current extensive construction , There is no history of workmanship standards, which simplifies the installation process and improves the construction quality of the house.

The foundation and the wall panels are connected by strip-shaped pull-out parts; the vertically intersecting wall panels are fixed by stiffeners, and the wall panels and purlins are fixed by H-shaped guide beams and hangers. Various forms of connecting components provide quick connection nodes for the construction site, and only use a nail gun for assembly, which is simple and convenient, and meets the industrial requirements for the development of prefabricated buildings.

The snaps and slots in the clipping mechanism between the wall panels cooperate with each other, and the connection is firm and reliable, which enhances the integrity and connection strength of the wall while ensuring the smoothness of the wall surface, so that the wall can effectively transmit the received plane. Shear force, which improves the ability of the house to cope with deformation. At the same time, the installation time is shortened, the construction strength is reduced, the number of bolts and self-tapping screws is reduced, and the installation cost is reduced.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the schematic diagram of the connection between the foundation of the present invention and the wallboard and the wallboard;

Fig. 3 is a partial enlarged view of the connection between the bar-shaped pullout member and the wallboard of the present invention;

Fig. 4 is the connection structure schematic diagram of corner wall panel and T-shaped wall panel of the present invention;

Fig. 5 is a schematic structural view of another embodiment of a T-shaped wallboard of the present invention;

Fig. 6 is the structural representation of corner wall panel and purlin connection of the present invention;

Fig. 7 is a schematic structural view of the wallboard clamping mechanism of the present invention;

Fig. 8 is an A-A sectional view of the clamping mechanism of the present invention;

Fig. 9 is a partially enlarged view of the inter-floor structure of the present invention.

The list of labels in the figure is: 1. Foundation, 2. Wall panel, 3. Floor slab, 4. Roof frame, 5. Purlin, 6. Thermal insulation and sound insulation layer, 7. Suspended ceiling, 8. H-shaped guide beam, 9. Bottom Guide beam, 10, strip-shaped pull-out parts, 101, gusset plate, 102, lining plate, 11, frame, 12, keel, 13, concrete layer, 14, profiled steel plate, 15, hanging plate, 16, clamping mechanism , 161, buckle, 162, card slot, 17, insulation layer, 18, decorative panel, 19, L-shaped stiffener, 20, U-shaped stiffener.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

As shown in Fig. 1, the present invention comprises foundation foundation 1, wall board 2, floor slab 3, roof frame 4 and the connection member that connects house main structure, and described connection member comprises bar-shaped pull-out member 10, stiffener, guide beam, Hanging boards and purlins5. The light steel structure can be used to build multi-storey buildings. The foundation 1 is provided with guide beams, and the wall panels 2 are fixed on the guide beams and the foundation; the vertically intersecting wall panels are connected by stiffeners, and purlins 5 are erected on the top of the wall panels, and the purlins The floor slab 3 is laid on top; the wall panels 2 and the floor slabs 3 are spliced together to form the main body of the house, and a roof frame 4 is erected on the top wall panel to complete the construction of the house.

The wall panel 2 is a composite prefabricated board, including a frame 11 , a keel 12 and an insulation layer 17 . The top and bottom of the wall panel are frames 11, the ends of the left and right sides of the wall panel are provided with keels 12, and several keels are evenly distributed in the wall panel, and the wall formed by the frame and the keels at the ends is filled with polystyrene foam or polyurethane as an insulation layer 17. The frame is an angle steel or a steel plate, and the keel is two oppositely arranged C-shaped steels. The specification of the C-shaped steels is H=80-100, and there is a plate connection between the two C-shaped steels to form a columnar keel. The frame 11 and the keel 12 are welded and connected as a whole, which reduces the slenderness ratio of the keel column and at the same time enhances the stability of the wall. Decorative panels 18 are laid outside the wall panels to form the wall structure of the house.

As shown in FIG. 2 , the bottom end and the top end of the wall panel 2 are fixed by guide beams, and the guide beams include bottom guide beams 9 and H-shaped guide beams 8 . The bottom guide beam is U-shaped channel steel, and the cross section of the H-shaped guide beam 8 is H-shaped; the web width of the bottom guide beam and the H-shaped guide beam is equal to or slightly greater than the thickness of the wallboard. A bottom guide beam 9 is laid on the foundation 1, and the bottom end of one layer of wall panels is fixed in the bottom guide beam 9 by self-tapping screws. As a multi-storey building, an H-shaped guide beam 8 is set on the top of a layer of wall panels, and the upper wall panel is fixed in the groove on the top of the H-shaped guide beam.

In order to further enhance the stability of the wall, a bar-shaped pull-out member 10 is provided at the end of the shear wall panel to enhance the shear performance of the wall panel; the shear wall panel is a wall panel that bears horizontal force in a house . The foundation 1 and the shear wall panels are anchored by strip-shaped pullout pieces 10 ; the ends of the upper and lower shear wallboards are fixedly connected by strip-shaped pullout pieces 10 .

As shown in Figure 3, the strip-shaped pullout member 10 includes a buckle plate 101 and a lining plate 102 arranged on the inside of the buckle plate, the buckle plate 101 is a U-shaped channel steel, and the bottom plate and side plate of the channel steel are provided with screw holes , the liner 102 is a flat steel, set on the inner side of the web; the width of the liner is the distance between two C-shaped steels in the keel, and the thickness is 10-20mm. The height of the strip anti-pull piece is 300-500mm. The lower end of the strip-shaped pull-out parts on the first floor is fixed in the foundation, and the upper end is fastened to the end of the shear wall panel; the lower end of the wall. Among them, the gusset 101 is buckled on the outside of the end keel, the bottom plate of the gusset is fixed on the wing plates of two C-shaped steels by screws, and the two side plates are respectively fixed on the webs of the two C-shaped steels, and the lining boards are in contact with each other. Between two C-shaped steels, it is used to fix the position of two C-shaped steels. The strip anti-pull piece is connected with the keel of the wall panel as a whole, which plays a two-way role of tensile and compressive resistance, and enhances the firmness of the wall and building; at the same time, since the strip anti-pull piece is directly buried in the foundation, it is avoided to use The existing pull-out parts need pull-out anchor bolts to be anchored, reducing the construction workload. The gusset plate of the strip anti-pull piece can also be "L" shape, which is applied to the fixed connection of vertically intersecting wall panels.

As shown in FIG. 4 and FIG. 6 , when two wallboards intersect perpendicularly, they are fixedly connected by stiffeners, and the stiffeners include L-shaped stiffeners 19 and U-shaped stiffeners 20 . Depending on the position where the wall panels intersect, they can be divided into corner wall panels, T-shaped wall panels or cross-shaped wall panels (same as T-shaped wall panels), and multiple sets of keels at the junction of the corner wall panels and T-shaped wall panels form keel columns. The keel column is formed by dense arrangement of two juxtaposed keels and one vertically arranged keel; the wing plate of the vertically arranged keel fits on the web of the two juxtaposed keels. L-shaped stiffeners 19 are arranged on the inner and outer sides of the keel columns of the corner wall panels, and L-shaped stiffeners 19 are arranged on the inner sides of the keel columns of the T-shaped wall panels. The L-shaped stiffener connects the keel column into a whole through self-tapping screws, which greatly enhances the firmness of the connection between adjacent walls. The L-shaped stiffener is made of angle steel, and the length of both sides of the angle steel is determined by the thickness of the wall panel and the length of the web of the keel; the long side of the L-shaped stiffener on the outside of the angle wall panel needs to be fixedly connected to the juxtaposed keel of the two wall panels and vertical keel. The intersection of wall panels formed by three sets of keels is suitable for the joints of exterior walls or load-bearing walls.

As shown in Figure 5, another embodiment of the T-shaped wall panel is a keel column composed of two keels, the two keels are respectively arranged in the horizontal wall panel and the vertical wall panel, and the outside of the keel of the horizontal wall panel is self-tapped. Nails fix the U-shaped stiffener 20, and the ends of the vertical wall panels are fixed in the U-shaped grooves of the U-shaped stiffener. The U-shaped stiffener 20 is channel steel, and the width of the web of the channel steel is greater than the width of the keel. T-shaped wall panels formed by two sets of keels are suitable for interior walls or joints of non-load-bearing walls.

The height of the stiffener is 200-300mm. During installation, two stiffeners are installed at the three equal parts of the wall panels. For multi-storey buildings, stiffeners need to be installed at the connection between the upper and lower walls. A decorative panel 18 is laid on the surface of the wallboard, and stiffeners and self-tapping screws are wrapped in the decorative panel. The decorative panels can be decorative panels such as calcium silicate boards or wood-plastic boards.

As shown in Figure 7 and Figure 8, the end of the facade of the wall panel 2 is provided with a snap-in mechanism 16, and the snap-in mechanism 16 includes a buckle 161 and a slot 162 that cooperate with each other, and the buckle and the slot are respectively provided At the left and right ends of the wallboard. There are two buckles, which are oppositely arranged on the outer side of the wing plate of the end keel, and the middle of the two buckles is filled with an insulating layer 17 . The height of the buckle is 100-200mm, and the length of the buckle is slightly longer than the length of the slot. The buckle and the slot of the adjacent wall panels are tightly connected by snap fit to form a whole wall, so that the insulation layer between the wall panels It is in close contact, without gaps, and will not be deformed due to excessive extrusion. The buckle 161 includes a convex part and an extension part, the extension part connects the convex part and the outer side of the flange of the keel at the end of the wallboard, the cross section of the convex part is fan-shaped, and the central angle of the fan shape is 110°-140°. The convex parts are arranged opposite to each other, and a curved hook is provided on the opposite side of the convex part, and the curved hook extends inward, which is beneficial to the effective bonding of the buckle and the insulation layer. The groove shape of the card slot 162 matches the arc shape of the convex part, so that the buckle can smoothly enter the card slot and closely fit with it.

In the prior art, the wallboards are fixed by the top guide beam and the bottom guide beam, and the soft contact between the adjacent wallboards is the insulation material, resulting in large deformation of the wall body after lateral force, making the wall surface easy to crack and affecting the stability of the house; Or in order to make the wall firm, use welding or screw fixing at the junction of the two walls. The clamping mechanism realizes the rigid connection of adjacent walls from top to bottom, with small deformation, greatly enhanced shear resistance and firmness of the wall, and at the same time, the construction operation is simple and convenient, reducing the workload on the construction site.

As shown in Figure 6 and Figure 9, an H-shaped guide beam 8 and a hanging plate 15 are arranged between the upper and lower wall panels of a multi-storey building, and the lower end opening groove of the H-shaped guide beam is fastened to the top of the lower wall panel, and the upper end opening groove Install the upper wallboard, set hanging boards 15 at intervals at positions with keels on the H-shaped guide beam, the hanging boards are connected with the purlins 5, and the floor slabs 3 are laid on the purlins; It is seamlessly and firmly connected with the floor. The hanging plate is arranged on the wing plate of the H-shaped guide beam, and the height of the hanging plate is less than the length of the purlin web. The purlin 5 is C-shaped steel with a specification of 200.

The profiled steel plate 14 is laid on the purlin 5, the concrete layer 13 is poured on the profiled steel plate, and the profiled steel plate and the concrete layer form the floor slab. Toilets and balconies use sunken hanging panels. The sunken hanging slab is lower than the H-shaped guide beam, and the purlin is connected with the sunken pendant. The surface of the floor slab laid on the purlin is lower than the floor slabs of other rooms, so as to adapt to the use of toilets and balconies.

The working process of the present invention is further described below:

1. Foundation construction: light steel structure houses customize prefabricated components such as wall panels, floor slabs and roof frames according to the drawings. During construction, the foundation 1 is laid below the ground, and the strip-shaped uplifting parts 10 are pre-embedded in the foundation. A 10mm thick anti-corrosion layer is made on the upper surface of the foundation, and a bottom guide beam 9 is laid on the anti-corrosion layer. The bottom guide beam is anchored on the foundation through pre-embedded anchor bolts, and the shape of the connection of multiple bottom guide beams is consistent with the foundation. The positions of the bottom guide beam and strip-shaped pull-out parts are determined according to the positions of the wallboards in the drawing,

2. Fixing of a layer of wall panels: the end of the shear wall panels is fixedly connected to the strip-shaped pullout member 10, and the wall panels are arranged in the bottom guide beam. The side plate of the buckle plate of the strip anti-pullout part is attached to the web of the keel and tapped with self-tapping screws, and the bottom plate of the strip-shaped anti-pullout part is attached to the wing plate of the keel and tapped with self-tapping screws. For the bottom guide beam, two self-tapping nails are punched at the keel of the wall panel, and one self-tapping nail is punched between the two keels. Therefore, the wall panel is fixed on the foundation by the strip-shaped anti-pull piece and the bottom guide beam, which improves the shear resistance and seismic performance of the wall panel, and enhances the integrity and firmness of the wall body.

3. Wall panel connection: put a plurality of side-by-side wall panels into the bottom guide beam 9, the starting end of the shear wall panel is fixed in the bottom guide beam through a strip-shaped anti-pull piece, and the other end of the wall panel is connected to the clip of the clamping mechanism. The buckle 161 corresponds to the draw-in groove 162 of the adjacent wallboard, and the wallboard is pushed along the guide beam until the buckle is embedded in the draw-in groove, and the insulation layers of the two wallboards abut against each other, completing the installation of side-by-side wallboards. Stiffeners are fixed at the joints of vertically intersecting wallboards, and the stiffeners are respectively located at one-third of the height of the wallboards and between the upper and lower wallboards.

4. Connection between wall panels and purlins: the top surface of the wall is connected with H-shaped guide beams by self-tapping screws. According to the design requirements, the hanging board 15 is set on the position where the purlin needs to be lapped on the guide beam, and the hanging board is generally arranged at the position of the keel. The web of the H-shaped guide beam 8 is longitudinally driven into two rows of self-tapping screws at the position of the wall panel frame, and the H-shaped guide beam is fixed on the top of the wall. The two ends of the purlin 5 in the middle of the room are fixed on the wall board through the hanging board, and the ends of the two purlins on both sides of the room are not only fixed on the wall board through the hanging board, but also the purlin web is attached to the adjacent wall board, and the Self-tapping screws are driven into the position of the keel of the wall panel, and the self-tapping screws on the web are arranged in a "zigzag" shape to enhance the firmness of the connection between the corner wall panel and the purlin. The purlins are evenly distributed on the wall of the house, and the distance between the purlins is 350-550mm. A suspended ceiling 7 is erected below the purlins.

5. Erection of floor slabs: lay profiled steel plates 14 on the purlins 5; the reinforcing bars on the profiled steel plates are vertically arranged with the purlins; The casing for laying out water and electricity pipelines is arranged in the layer. The reinforcing ribs on the surface of the profiled steel plate in the floor slab increase the bonding force with the concrete, making the two form a whole, in which the steel has tensile properties, and the concrete has compressive properties, thus greatly improving the bearing capacity of the floor deck force.

6. Erection of the upper wall panel: the upper wall panel is hoisted in the H-shaped guide beam, the ends of the upper and lower shear walls are fixed by strip-shaped anti-pull pieces, and the bottom of the vertically intersecting wall panels on the upper layer is connected to the lower wall by stiffeners plate.

7. Erection of the roof frame: set sinking hooks on the top wall, connect the purlins with the sinking hooks, and lay the Ozon board and insulation board on the purlins to form the insulation and sound insulation layer 6. The insulation board is polystyrene board or extruded plastic board, the upper surface of the thermal insulation and sound insulation layer 6 is flat with the top of the wallboard, and the thermal insulation and sound insulation effects are good. The integrally prefabricated roof frame is placed directly on the wall panels, and the joints are welded.

Claims (7)

1. A prefabricated light-steel structure house, the light-steel structure house comprises a foundation (1), a wall panel (2), a floor slab (3), a roof frame (4) and a connecting member connecting the main structure of the house, the wall The board (2) is a composite prefabricated board, the top and bottom of the wall board are provided with a frame (11), and a number of keels are distributed at the end of the wall board and inside the wall board. Insulation material is filled in the wall to form an insulation layer (17); it is characterized in that, the connecting member includes strip-shaped pull-out parts (10), stiffeners, guide beams and purlins (5); guide beams are set on the foundation , a layer of wall panels is fixed on the foundation through guide beams; strip-shaped anti-pull pieces (10) are arranged at the ends of the wall panels, two vertically intersecting wall panels are connected by stiffeners, and purlins (5) are erected on the top of the wall panels , the floor (3) is laid on the purlin; the wallboard (2) and the floorboard (3) are spliced with each other to form the main body of the house, and the roof frame (4) is erected on the top wallboard to form the house structure. 2. The prefabricated light steel structure house according to claim 1, characterized in that, the guide beam comprises a bottom guide beam (9) and an H-shaped guide beam (8), and the bottom guide beam ( 9), the bottom guide beam is a U-shaped channel steel; the bottom end of a layer of wallboard is fixed in the bottom guide beam, and the top of a layer of wallboard is provided with an H-shaped guide beam, and the cross-section of the H-shaped guide beam (8) The shape is H-shaped, and the upper wallboard is arranged in the groove on the upper part of the H-shaped guide beam. 3. The prefabricated light-steel structure house according to claim 2, characterized in that, the strip-shaped pull-out element (10) comprises a gusset plate (101) and a lining plate (102) arranged inside the gusset plate, and the buckle plate The board (101) is U-shaped; the lower part of the strip-shaped pull-out parts of the first floor is fixed in the foundation, and the upper part is fastened to the end of the wall board; the strip-shaped pull-out parts of the upper layer are respectively fastened to the upper end of the lower wall board and the lower end of the upper wallboard; the liner is fastened on the outside of the end keel, and the liner is abutted between the two C-shaped steels of the keel. 4. The prefabricated light steel structure house according to claim 3, characterized in that, the stiffener is an L-shaped stiffener (19), and the joints of vertically intersecting wallboards are composed of multiple groups of keels to form a keel column; the keel column L-shaped stiffeners (19) are arranged on the inner side or/and the outer side; the L-shaped stiffeners are made of angle steel, and the L-shaped stiffeners are fixedly connected with two vertically intersecting wall panels. 5. The prefabricated light steel structure house according to claim 3, characterized in that, the stiffener is a U-shaped stiffener (20), and the U-shaped stiffener (20) is fixed outside the keel of the wall panel, and the U-shaped stiffener The end keel of the vertical intersecting wall panel is fixed in the U-shaped groove of the piece; the U-shaped stiffener is channel steel, and the width of the channel steel web is greater than the width of the keel. 6. The prefabricated light steel structure house according to claim 4 or 5, characterized in that, the end of the facade of the wall panel is provided with a clamping mechanism (16), and the clamping mechanism (16) includes Buckle (161) and draw-in groove (162), buckle and draw-in groove are arranged on the two ends of wallboard respectively; The middle of buckle is filled with insulation layer (17), and the height of buckle is 100-200mm. 7. The prefabricated light steel structure house according to claim 6, characterized in that, the buckle (161) includes a convex part and an extension part, and the extension part connects the convex part and the outer side of the wing plate of the keel at the end of the wallboard, The shape of the cross-section of the protrusion is fan-shaped, and the central angle of the fan is 110°-140°; the protrusions are arranged opposite to each other, and the opposite side of the protrusion is provided with a hook; the groove shape of the card slot (162) and the protrusion shape matches.