Prefabricated villa small board structure

Abstract

The present invention belongs to the field of construction, and in particular, relates to a prefabricated small-board structure for a villa. It comprises: a main frame structure; a keel layer is arranged in the main frame structure; the keel layer is a support system formed by a combined keel and a reinforced keel, or a three-dimensional keel; the combined keel is composed of a horizontal bar, a vertical bar and an oblique support bar, and the reinforced keel is arranged on the outside of the vertical bar; the three-dimensional keel comprises a plurality of keel units, and the keel unit comprises an outer support bar, a bottom support bar and an oblique support bar; two adjacent oblique support bars of the same keel unit form a trapezoidal structure with the outer support bar or the bottom support bar; a bottom plate is arranged on the inner side of the keel layer, and a sealing plate is arranged on the outer side; the bottom plate and the sealing plate are both fixedly connected to the main frame structure and / or the keel layer. The present invention has two optional small-board structure forms, wherein the combination of the combined keel and the reinforced keel can make the small-board structure have excellent longitudinal support capacity, and the three-dimensional keel form can make the small-board structure have excellent panel support capacity.

Description

Technical Field

[0001] The invention belongs to the field of construction, and in particular relates to an assembled villa small board structure. Background Art

[0002] Prefabricated villas are a new type of building structure that is fast and efficient in construction and assembly. They are usually assembled from several prefabricated structural components through a specific connection method. Due to its stable structure and high construction and assembly efficiency, it is deeply loved by the general public.

[0003] Small board structures are commonly used in prefabricated villas. They are used for longitudinal support and panel support. They are usually used as partition walls, curtain wall back panels and other structures as longitudinal support structures. Sometimes, they are also used to build structures such as pedestals that require panel support, and even to cooperate with or assist in building balconies on the outer edge. Although the existing small board structure has good longitudinal support capacity, its panel support capacity is very weak. Usually, the safety threshold of panel support weight is less than 300kg / m 2 , so its use is subject to greater limitations. Summary of the invention

[0004] In order to solve the problem that the existing small-board structure usually does not have a good panel supporting ability and is limited in use in the construction of prefabricated villas, the present invention provides a prefabricated villa small-board structure.

[0005] The objects of the present invention are:

[0006] 1. Ensure the compatibility of small-plate structures and prefabricated villas;

[0007] 2. Improve the panel support capacity of the small board structure;

[0008] 3. Improve the mechanical properties of small plate structures.

[0009] To achieve the above objectives, the present invention adopts the following technical solutions.

[0010] An assembled villa small board structure, comprising:

[0011] The main frame structure is formed by alternately closing the frame frame and the edge sealing frame;

[0012] A keel layer is provided in the main frame structure;

[0013] The keel layer is a support system formed by a combined keel and a reinforced keel, or is a three-dimensional keel;

[0014] The combined keel is composed of a horizontal bar and a vertical bar arranged orthogonally, and an oblique support rod is provided to connect the horizontal bar and the vertical bar. The reinforced keel is fixedly connected with the combined keel and arranged on the outside of the vertical bar of the combined keel.

[0015] The three-dimensional keel includes a plurality of continuously fixed keel units, wherein the keel units include an outer support rod for supporting the outer sealing plate, a bottom support rod for abutting the inner bottom plate, and an oblique support rod connecting the outer support rod and the bottom support rod;

[0016] Any two adjacent diagonal braces of the same keel unit and the outer brace or bottom brace therebetween form a trapezoidal structure with an open bottom edge;

[0017] The inner side of the keel layer is provided with a bottom plate, and the outer side is provided with a sealing plate;

[0018] The bottom plate and the cover plate are both fixedly connected to the main frame structure and / or the keel layer.

[0019] As a preference,

[0020] The sealing plate is a polyurethane sealing plate;

[0021] The bottom plate is a calcium silicate board.

[0022] As a preference,

[0023] The polyurethane sealing plate is prepared in situ on the outer side of the keel layer by spraying and curing.

[0024] As a preference,

[0025] When the three-dimensional keel is viewed from the closing plate direction, the outer support rods and bottom support rods of adjacent keel units are fixedly connected correspondingly.

[0026] As a preference,

[0027] The adjacent keel units are fixedly connected to the rear outer support rods and the diagonal support rods to form a honeycomb support structure, and the bottom support rods and the diagonal support rods to form a hexagonal support structure.

[0028] As a preference,

[0029] The bottom plate is also provided with a recessed groove adapted to fit the bottom support rod of the keel unit;

[0030] The bottom support rod of the keel unit is installed in the recessed groove.

[0031] As a preference,

[0032] The three-dimensional keel is also provided with a buffer unit in cooperation with the keel unit, and the buffer unit is parallel to the keel unit and is arranged in cooperation with it;

[0033] The buffer unit includes an outer rod, an inner rod and an oblique rod. The inner rod abuts against the surface of the bottom plate, the outer rod is arranged between the bottom plate and the sealing plate and does not contact the bottom plate and the sealing plate. The oblique rod is used to connect the inner rod and the outer rod, and the oblique rod is arranged under the oblique support rod to form support for the oblique support rod.

[0034] As a preference,

[0035] The outer rod is arranged correspondingly to the outer support rod of the keel unit, and the inner rod is arranged correspondingly to the bottom support rod of the keel unit;

[0036] The diagonal rod is fixedly connected to the diagonal support rod.

[0037] As a preference,

[0038] The outer rods of adjacent buffer units are fixedly connected to each other, and the inner rods are separated from each other.

[0039] The beneficial effects of the present invention are:

[0040] 1) It has good structural stability and two optional small panel structure forms. The combination of combined keel and reinforced keel can make the small panel structure have excellent longitudinal support capacity, while the three-dimensional keel form can make the small panel structure have excellent panel support capacity;

[0041] 2) The structure has high stability, the assembly process is simple and efficient, and it can flexibly adjust the area and shape of the small board structure according to actual use requirements, and has good adaptability to prefabricated villas. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 A structural schematic diagram of the present invention;

[0043] Figure 2 for Figure 1 Schematic diagram of the half-section structure from the middle AA perspective;

[0044] Figure 3 This is a half-section layered schematic diagram of the improved small plate structure;

[0045] Figure 4 for Figure 3 Schematic diagram of the three-dimensional keel in the middle BB section;

[0046] Figure 5 for Figure 3 Schematic diagram of the three-dimensional keel in the middle CC section;

[0047] Figure 6 It is a schematic diagram of the coordination between the improved bottom plate structure and the keel unit;

[0048] Figure 7 This is a schematic diagram of the structure of the improved three-dimensional keel, bottom plate and cover plate;

[0049] Figure 8 The diagram is a schematic diagram of the flat-laying structure of the improved three-dimensional keel;

[0050] In the figure: 100 frame frame, 200 edge banding frame, 300 combined keel, 301 horizontal rod, 302 vertical rod, 303 oblique support rod, 400 reinforced keel, 500 three-dimensional keel, 501 keel unit, 501a honeycomb support structure, 501b hexagonal support structure, 5011 outer support rod, 5012 bottom support rod, 5013 oblique support rod, 502 buffer unit, 5021 outer rod, 5022 inner rod, 5023 oblique rod, 600 bottom plate, 601 groove, 700 sealing plate. DETAILED DESCRIPTION

[0051] The present invention is further described in detail below in conjunction with specific embodiments and the accompanying drawings. A person of ordinary skill in the art will be able to implement the present invention based on these descriptions. In addition, the embodiments of the present invention involved in the following description are generally only embodiments of a part of the present invention, rather than all embodiments. Therefore, based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making creative work should fall within the scope of protection of the present invention.

[0052] In the description of the present invention, it should be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined, and "several" means one or more.

[0053] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] Unless otherwise specified, the raw materials used in the examples of the present invention are all commercially available or available to those skilled in the art; unless otherwise specified, the methods used in the examples of the present invention are all methods known to those skilled in the art.

[0055] Example

[0056] A kind of Figure 1 The assembled villa small board structure shown in the figure specifically includes:

[0057] Frame frames 100 arranged in pairs and in parallel, and edge sealing frames 200 arranged in pairs and in parallel at both ends of the frame frames 100 and perpendicular to the frame frames 100;

[0058] The frame frame 100 and the edge sealing frame 200 form a closed main frame structure. Figure 2 The thickness of the frame frame 100 is greater than the thickness of the edge sealing frame 200;

[0059] The main frame structure formed by the frame frame 100 and the edge sealing frame 200 is provided with a combined keel 300, and a reinforced keel 400 is provided outside the vertical rod 302 of the combined keel 300. The combined keel 300 and the reinforced keel 400 form a support system;

[0060] like Figure 2 As shown, the stacking thickness of the combined keel 300 and the reinforced keel 400 is equal to the thickness of the edge-sealing frame 200, the inner side of the combined keel 300 is flush with the inner side of the edge-sealing frame 200, and the outer side of the reinforced frame is flush with the outer side of the edge-sealing frame 200;

[0061] A bottom plate 600 is provided on the inner side of the support system. In this embodiment, the bottom plate 600 is a calcium silicate board.

[0062] The outer side of the support system is filled with sprayed polyurethane and hardened to form a sealing plate 700. After the polyurethane is sprayed and hardened, appropriate trimming treatment should be performed to improve its aesthetics.

[0063] Specifically, the support system

[0064] The combined keel 300 is composed of a frame formed by connecting a cross bar 301 and a vertical bar 302 arranged orthogonally to a metal rod body, and a diagonal support rod 303 used to connect the cross bar 301 and the vertical bar 302 to form an in-plane diagonal support. Figure 1 The oblique support rod 303 is shown to be disposed between part of the horizontal rod 301 and the vertical rod 302;

[0065] The small plate structure formed by the above structure has a good longitudinal support effect. Figure 1 It has good longitudinal support performance when placed vertically as shown. However, after a lot of tests, it was found that when it was laid flat as a base plate, its panel support effect was very limited. After testing, its safe support weight per unit area was only about 320kg / m 2 , that is, its shear resistance is weak, and there are problems such as uneven distribution of shear resistance, which limits its use in prefabricated villas.

[0066] Therefore, the present invention further conducts secondary research and development on the support system formed by the combined keel 300 and the reinforced keel 400;

[0067] Specifically,

[0068] like Figure 3 , Figure 4 and Figure 5 The three-dimensional keel 500 shown replaces the support system formed by the combined keel 300 and the reinforced keel 400 and is introduced into the small plate structure as a new support system;

[0069] The three-dimensional keel 500 is composed of a plurality of continuous keel units 501 which are welded or fixed with weather-resistant adhesive. The cross-sectional structure of the keel unit 501 along the thickness direction of the small plate structure is as follows: Figure 4 As shown, it is composed of a continuous positive and negative alternating trapezoidal frame, which includes an outer support rod 5011 for supporting the outer sealing plate 700, a bottom support rod 5012 for abutting the inner bottom plate 600, and an oblique support rod 5013 connecting the outer support rod 5011 and the bottom support rod 5012. In the thickness direction section of the overall small plate structure, any two adjacent oblique support rods 5013 and the outer support rod 5011 or the bottom support rod 5012 therebetween form a trapezoidal structure with an open bottom edge;

[0070] In addition, looking down from the outside of the small plate structure, the three-dimensional keel 500 structure is as follows Figure 5 As shown:

[0071] The outer support rods 5011 of adjacent keel units 501 are butted against each other, and the bottom support rods 5012 are butted against each other, and are fixedly connected. In this embodiment, diffusion welding is used for the fixing. Through this matching method, the outer support rods 5011 and the diagonal support rods 5013 of adjacent keel units 501 form a honeycomb support structure 501a, and the bottom support rods 5012 and the diagonal support rods 5013 of adjacent keel units 501 form a hexagonal support structure 501b.

[0072] The honeycomb support structure 501a and the hexagonal support structure 501b are alternately arranged along the direction of a single keel unit 501, and the honeycomb support structure 501a and the hexagonal support structure 501b are respectively and continuously arranged in a direction perpendicular to the keel unit 501;

[0073] The above-mentioned three-dimensional keel 500 forms a composite double-stage support structure in which continuous and alternating states coexist through the honeycomb support structure 501a and the hexagonal support structure 501b, that is, the outer honeycomb support hook and the inner hexagonal support structure 501b form a double-stage support, and the honeycomb support structure 501a continuously arranged perpendicular to the direction of the keel unit 501 can replace the vertical rod 302 of the combined keel 300 and strengthen the supporting function of the skeleton, while the bottom hexagonal support structure 501b is formed alternately and continuously through the honeycomb support structure 501a, and can replace the original cross bar 301 of the combined keel 300;

[0074] But the difference from the combined keel 300 and the reinforced keel 400 is:

[0075] Through the dispersed and three-dimensional structure, the actual three-dimensional keel 500 can increase the force-bearing surface and the effect of dispersing force, which has the effect of strengthening and homogenizing the force of the small plate structure panel and reducing the force concentration. In addition, the hexagonal and honeycomb structures themselves have good dispersed force-conducting effects, which have a significant effect on improving the support weight threshold.

[0076] After testing, the three-dimensional keel 500 is prepared in the same manner as the combined keel 300 and the reinforced keel 400. The spacing between the bottom support rods 5012 and the outer support rods 5011 of the adjacent keel units 501 in the three-dimensional keel 500 is 1.45 times the spacing between the original vertical rods 302. It is assembled with the frame frame 100 and the edge sealing frame 200, and the calcium silicate bottom plate 600 is fixedly installed on the inside and the preformed polyurethane sealing plate 700 is fixedly installed on the outside to form an assembled villa small board structure, which can reduce the original safe support weight threshold after paving from 320kg / m 2 Increased to 355kg / m 2 , which has a very significant improvement effect, and this improvement effect is mainly due to the effective equalization of its support capacity, because the original small plate structure using the combined keel 300 and the reinforced keel 400 structure has an actual detection safety support weight threshold of about 320-365kg / m 2 The improved three-dimensional keel 500 is about 355-365kg / m 2, the upper limit of the threshold value has not been significantly optimized, but the lower limit has been significantly improved. The safe support weight threshold of the panel considered in actual use should be the lower limit of the safe support weight threshold. Therefore, the support effect is actually very effectively improved, and the actual structural density is reduced. It can also effectively reduce the material usage and reduce the proportion of the small panel structure. The original small panel structure needs to be sealed by spraying polyurethane because the combined keel 300 and the reinforced keel 400 can be structurally strengthened to a certain extent during the curing process of the polyurethane spraying. After the three-dimensional keel 500 is adopted, there is no need for secondary reinforcement, and the prefabricated polyurethane board can be directly used, which has higher assembly efficiency.

[0077] Furthermore,

[0078] The calcium silicate base plate 600 is also as Figure 6 The bottom support rod 5012 of the keel unit 501 is provided with a groove 601, and the bottom support rod 5012 of the keel unit 501 is inserted or clamped in the groove 601. The groove 601 improves the connection stability between the bottom plate 600 and the three-dimensional keel 500, and the shear resistance of the three-dimensional keel 500 can be further enhanced by the calcium silicate bottom plate 600, so that the load threshold of the panel can be further increased to about 358kg / m 2 .

[0079] Furthermore,

[0080] The three-dimensional keel 500 is also provided with a buffer unit 502 in cooperation with the keel unit 501. The buffer unit 502 is parallel to the keel unit 501 and is provided in cooperation with it.

[0081] The buffer unit 502 is as follows Figure 7 As shown, it includes an outer rod 5021, an inner rod 5022 and an oblique rod 5023. The outer rod 5021 is lower than the outer support rod 5011 of the keel unit 501 in the cross-sectional view of the small plate structure. The inner rod 5022 abuts against the surface of the calcium silicate bottom plate 600. The oblique rod 5023 is used to connect the inner rod 5022 and the outer rod 5021.

[0082] The outer rod 5021 is arranged correspondingly to the outer support rod 5011 of the keel unit 501, the inner rod 5022 is arranged correspondingly to the bottom support rod 5012 of the keel unit 501, the oblique rod 5023 is fixedly connected to the oblique support rod 5013 and arranged below the oblique support rod 5013 to support the oblique support rod 5013, the outer rods 5021 of adjacent buffer units 502 abut against each other and are fixedly matched by diffusion welding or the like, and the inner rods 5022 are separated from each other;

[0083] like Figure 8As shown in the top view, the outer rod 5021 of the buffer unit 502 and the bottom support rod 5012 of the keel unit 501 are on the same straight line, and the inner rod 5022 of the buffer unit 502 and the outer support rod 5011 of the keel unit 501 are on the same straight line, that is, a cross structure is actually formed;

[0084] The setting of the above-mentioned buffer unit 502 can form a secondary support for the keel unit 501. The keel unit 501, as the main supporting structure, still maintains its main supporting function, and the set buffer unit 502 can enhance its supporting capacity and form a third-level buffer support structure. According to tests, it can enhance its panel support weight threshold by more than 30%, and has a more obvious improvement in improving its earthquake resistance.

[0085] Specific tests:

[0086] After the buffer unit 502 is provided, the panel support weight threshold of the small plate structure can reach about 470 kg / m 2 If the inner rods 5022 of the buffer unit 502 are abutted against each other, the panel support weight threshold of the small plate structure is only about 380kg / m 2 This is because the separated inner rod 5022 is set up separately, so that the buffer unit 502 has a very excellent deformation buffering effect. After being subjected to extreme pressure, it can release external force by oblique deformation, thereby significantly improving the panel support weight threshold of the small plate structure. The abutment of the inner rod 5022 will produce stress concentration, and the external force cannot be released by effective deformation, resulting in that it actually only increases the panel support weight threshold of the small plate structure by increasing the structural density without significantly improving it.

[0087] In summary, the prefabricated villa small panel structure of the present invention can meet actual needs, can be freely assembled and coordinated, is suitable for the production of small panel structures of different sizes, and is convenient for on-site assembly. The simple combined keel 300 and the reinforced keel 400 can play a good longitudinal support effect and have good structural stability. The use of the three-dimensional keel 500 can significantly improve its panel support capacity, and it has a very good use effect when used as a substrate for paving the ground or tabletops.

Claims

1. A prefabricated villa small board structure, characterized in that: include: The main frame structure is formed by alternately closing the frame frame and the edge sealing frame; A keel layer is provided in the main frame structure; The keel layer is a support system formed by a combined keel and a reinforced keel, or is a three-dimensional keel; The combined keel is composed of a horizontal bar and a vertical bar arranged orthogonally, and an oblique support rod is provided to connect the horizontal bar and the vertical bar. The reinforced keel is fixedly connected with the combined keel and arranged on the outside of the vertical bar of the combined keel. The three-dimensional keel includes a plurality of continuously fixed keel units, wherein the keel units include an outer support rod for supporting the outer sealing plate, a bottom support rod for abutting the inner bottom plate, and an oblique support rod connecting the outer support rod and the bottom support rod; Any two adjacent diagonal braces of the same keel unit and the outer brace or bottom brace therebetween form a trapezoidal structure with an open bottom edge; The inner side of the keel layer is provided with a bottom plate, and the outer side is provided with a sealing plate; The bottom plate and the cover plate are both fixedly connected to the main frame structure and / or the keel layer; The bottom plate is also provided with a groove adapted to fit the bottom support rod of the keel unit; The bottom support rod of the keel unit is installed in the recessed groove; The three-dimensional keel is also provided with a buffer unit in cooperation with the keel unit, and the buffer unit is parallel to the keel unit and is arranged in cooperation with the keel unit; The buffer unit includes an outer rod, an inner rod and an oblique rod. The inner rod abuts against the surface of the bottom plate, the outer rod is arranged between the bottom plate and the sealing plate and does not contact the bottom plate and the sealing plate. The oblique rod is used to connect the inner rod and the outer rod, and the oblique rod is arranged under the oblique support rod to form support for the oblique support rod.

2. The assembled villa small board structure according to claim 1 is characterized in that: The sealing plate is a polyurethane sealing plate; The bottom plate is a calcium silicate board.

3. The assembled villa small board structure according to claim 2 is characterized in that: The polyurethane sealing plate is prepared in situ on the outer side of the keel layer by spraying and curing.

4. The assembled villa small board structure according to claim 1 is characterized in that: When the three-dimensional keel is viewed from the closing plate direction, the outer support rods and bottom support rods of adjacent keel units are fixedly connected correspondingly.

5. The assembled villa small board structure according to claim 4 is characterized in that: The adjacent keel units are fixedly connected to the rear outer support rods and the diagonal support rods to form a honeycomb support structure, and the bottom support rods and the diagonal support rods to form a hexagonal support structure.

6. The assembled villa small board structure according to claim 1 is characterized in that: The outer rod is arranged correspondingly to the outer support rod of the keel unit, and the inner rod is arranged correspondingly to the bottom support rod of the keel unit; The diagonal rod is fixedly connected to the diagonal support rod.

7. The assembled villa small board structure according to claim 1 or 6, characterized in that: The outer rods of adjacent buffer units are fixedly connected to each other, and the inner rods are separated from each other.

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