Fabricated house capable of reducing cold and hot bridges

Abstract

The utility model discloses an assembly type house capable of reducing cold and hot bridges, which comprises a ground beam, a plurality of first connecting members, a plurality of upright posts, a second connecting member, a third connecting member, a house beam, a wall body unit, a fourth connecting member, a top beam and a roof unit, the first connecting members are respectively fixed with the ground beam, and the upright posts are fixed with the first connecting members. The stand columns are fixed to the second connecting components, the second connecting components are further fixed to the third connecting components, the two ends of the house beam are fixed to the third connecting components respectively, the wall units are matched with the ground beam, the stand columns and the house beam respectively, the wall units are fixed to the stand columns and the house beam, the fourth connecting components are fixed to the second connecting components, and the top beam is fixed to the fourth connecting components. The roof units are fixed to the top beams, and the stand columns, the roof beams and the top beams are all made of glass fiber reinforced plastics. The heat transfer performance of the house can be reduced, and the heat preservation performance of the house can be guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated housing technology, and in particular to a prefabricated house that reduces thermal bridging. Background Technology

[0002] Prefabricated construction refers to the transfer of a large amount of on-site work from traditional construction methods to factories. Building components and accessories are prefabricated in factories, transported to the construction site, and assembled on-site using reliable connection methods. Most existing prefabricated houses use steel plates or other sheet metal spliced ​​together as the side walls, connected by connectors to form the structure.

[0003] CN106088340A discloses a prefabricated house comprising an exterior wall unit, a roof unit connected to the opposite upper part of the exterior wall unit, and an assembly unit for assembling the exterior wall unit and the roof unit. The exterior wall unit includes a plurality of panels and a plurality of corner posts for constructing corners. Each corner post has two mutually perpendicularly connected side panels, two mutually perpendicularly connected connecting plates respectively connected to opposite ends of the side panels, and two fittings respectively connected to the connecting plates and capable of connecting to the connecting members of any of the panels. Each fitting has two spaced-apart extensions extending outward from the connecting plates on the same side, and a middle portion located between the extensions and extending outward from the connecting plates on the same side. The middle portion extends into a connecting groove of one of the connecting members of any of the panels, so that the fitting and the connecting member fit tightly together, thereby connecting the panels to the corner post to construct a corner-like shape resembling that of a building.

[0004] Based on the above, the corner post is fixed to the base, typically by welding, and both the corner post and the base are usually made of steel. This structure has the following drawbacks:

[0005] First, the corner column is fixed to the base by welding, which involves a large amount of work and is costly. In order to ensure the welding quality, experienced welders are required to carry out the operation.

[0006] Secondly, the aforementioned buildings utilize a significant amount of steel, whose heat transfer coefficient is higher than that of other wall panels. This leads to a concentrated and rapid heat transfer from these areas. Under the influence of indoor and outdoor temperature differences, these areas form regions with relatively dense heat flow and lower inner surface temperatures, becoming major bridges for heat loss. Cold and thermal bridges increase the building's air conditioning and heating loads, thereby increasing energy consumption. Because the inner surface temperatures of cold and thermal bridge areas are low, condensation is prone to occur, which not only affects the building's aesthetics and lifespan but may also damage the building structure. Utility Model Content

[0007] This invention provides a prefabricated house that reduces thermal bridging. This invention can reduce the heat transfer performance of the house and ensure its thermal insulation performance.

[0008] The technical solutions to the above technical problems are as follows:

[0009] A prefabricated house with reduced thermal bridging includes a ground beam, a first connecting member, columns, a second connecting member, a third connecting member, a roof beam, wall units, a fourth connecting member, a top beam, and a roof unit. Multiple first connecting members are fixed to the ground beam. Columns are fixed to the first connecting members and the second connecting members. The second connecting members are also fixed to the third connecting members. Both ends of the roof beam are fixed to the third connecting members. Wall units are connected to the ground beam, columns, and roof beam, and are fixed to the columns and roof beam. The fourth connecting member is fixed to the second connecting member. The top beam is fixed to the fourth connecting member. The roof unit is fixed to the top beam. The columns, roof beam, and top beam are all made of glass fiber reinforced plastic.

[0010] In this invention, the columns, beams, and roof beams are all made of glass fiber reinforced plastic (GFRP). Since the base material of GFRP is synthetic resin, glass fiber, or its products (such as glass cloth, tape, felt, etc.), GFRP has high strength and high rigidity. Its tensile strength is comparable to that of steel, therefore it can completely replace steel as a column, beam, and roof beam. Furthermore, the heat transfer coefficient of GFRP is as low as 0.13 W / mK, while the heat transfer coefficient of steel is approximately 45 W / mK. The heat transfer coefficient of steel is much greater than that of GFRP. Therefore, using GFRP as a column, beam, and roof beam avoids the rapid and concentrated transfer of heat from these parts, thus preventing heat loss and reducing thermal bridging, thereby improving indoor insulation. Attached Figure Description

[0011] Figure 1 This is a perspective view of the prefabricated house with reduced thermal bridging according to this utility model.

[0012] Figure 2 In order to be in Figure 1 This is a diagram showing the parts that have been partially hidden.

[0013] Figure 3 In order to be in Figure 2 This is a diagram showing the parts that have been partially hidden.

[0014] Figure 4 for Figure 3 A magnified view of the K-chart.

[0015] Figure 5 This is a three-dimensional view of the first bolt.

[0016] Figure 6 This is a schematic diagram of the first bolt after it has been deformed by compression.

[0017] Figure 7 This is a three-dimensional view of the first connecting component.

[0018] Figure 8 This is a schematic diagram showing the first connecting component with some parts hidden.

[0019] Figure 9 This is the front view of a column or beam.

[0020] Figure 10 This is a structural diagram showing the connection between the column, the first connecting member, and the wall unit.

[0021] Figure 11 This is a perspective view of the second connecting member.

[0022] Figure 12 This is a three-dimensional view of the second inner connecting member.

[0023] Figure 13 This is a three-dimensional view of the third connecting component.

[0024] Figure 14 This is a schematic diagram showing the third connecting member with some parts hidden.

[0025] Figure 15 This is a three-dimensional view of the fourth connecting component.

[0026] Figure 16 for Figure 3 Enlarged view of the Q part in the image.

[0027] Labels in the attached diagram:

[0028] Ground beam A, first connecting member B, column C, second connecting member D, third connecting member E, roof beam F, wall unit G, fourth connecting member H, top beam I, roof unit J, first bolt L, second bolt P, third bolt M, fourth bolt N, fifth bolt O.

[0029] First screw 1, first nut 2, sleeve 3, washer 4, spring 5, positioning protrusion 6, first reinforcing plate 16.

[0030] First mounting hole 11, first corner bracket 12, first outer connecting plate 13, first inner connecting plate 14, second inner connecting plate 15.

[0031] First sleeve 21, connecting side plate 22, groove 23, protrusion 24, first clearance groove 25, second clearance groove 26.

[0032] Second mounting hole 31, second corner bracket 32, second outer connecting plate 33, third inner connecting plate 34, fourth inner connecting plate 35, second reinforcing plate 36.

[0033] Third mounting hole 41, third corner bracket 42, third outer connecting plate 43, fifth inner connecting plate 44, sixth inner connecting plate 45, third reinforcing plate 46.

[0034] Fourth mounting hole 51, fourth corner bracket 52, fourth external connecting plate 53. Detailed Implementation

[0035] like Figures 1 to 16 The prefabricated house of this utility model with reduced thermal bridging includes a ground beam A, a first connecting member B, a column C, a second connecting member D, a third connecting member E, a roof beam F, a wall unit G, a fourth connecting member H, a top beam I, a roof unit J, and a first bolt L. The following is a detailed description of each part and the relationship between them.

[0036] Multiple first connecting members B are respectively fixed to the ground beam A. The first connecting members B and the ground beam A are fixed by first bolts L. In this embodiment, the first bolt L includes a first screw 1, a first nut 2, a sleeve 3, a washer 4, and a spring plate 5 that deforms under axial compressive force. The first screw 1 passes through the washer 4 and the sleeve 3 and is threadedly connected to the first nut 2. The sleeve 3 is fixed to the washer 4. One end of the spring plate 5 is fixed to the sleeve 3, and the other end of the spring plate 5 is fixed to the first nut 2. The first bolt L also includes a positioning protrusion 6 for limiting the rotation of the washer 4, and the positioning protrusion 6 is fixed to the washer 4.

[0037] Since ground beam A is generally made of hollow steel pipe, i.e. square steel pipe, and the wall thickness of the steel pipe is generally 2-4.5mm, if screw holes are made on ground beam A, the hole depth is at most 4.5mm. After the screw is connected to the screw hole with a hole depth of 4.5mm, the strength cannot meet the building strength requirements. In this invention, the first bolt L of the aforementioned structure is used to fasten the first connecting member B and the ground beam A. The process involves passing the first bolt L, in its original state, through the through holes in the first connecting member B and the ground beam A. The positioning protrusion 6 abuts against the first connecting member B, thus forming a screw mechanism between the first screw 1, the first nut 2, the sleeve 3, the washer 4, the spring plate 5, and the positioning protrusion 6. When torque is applied to the first screw 1, the washer 4 and the positioning protrusion 6 remain stationary, while the washer 4 is fixed to the sleeve 3, which in turn is fixed to the first nut 2 via the spring plate 5. Therefore, the first nut 2 moves linearly, generating an axial compressive force on the spring plate 5, causing the spring plate 5 to... The deformation causes the spring plate 5 to protrude radially along the first screw 1, thus making the spring plate 5 a clamping component. Ultimately, the first connecting member B and the ground beam A are clamped between the spring plate 5 and the washer 4. This structure, due to the long threaded engagement length of the first screw 1 and the first nut 2, increases the reliability of the fastening. Furthermore, using this type of first bolt L eliminates the need for a pre-set nut inside the ground beam A. During installation, the first bolt L is simply passed through the ground beam A and the first connecting member B, and then torque is applied to the first bolt L to fasten the ground beam A and the first connecting member B. For the fastening of the thinnest wall of the ground beam A and the first connecting member B, using the first bolt L achieves both the fastening effect and facilitates installation.

[0038] In this embodiment, the first connecting member B includes a first outer connecting member, a first inner connecting member, and a third bolt M. The first outer connecting member forms a first mounting hole 11, and the first inner connecting member is located inside the first mounting hole 11. Both the first outer connecting member and the first inner connecting member are provided with first through holes. After the third bolt M passes through the first through holes on the first outer connecting member and the first inner connecting member, it fixes the first inner connecting member and the first outer connecting member into one piece.

[0039] The first external connecting component includes a first corner bracket 12 and a first external connecting plate 13. Multiple first corner brackets 12 are arranged at intervals to form the first mounting hole 11. After two adjacent first corner brackets 12 mate with the first external connecting plate 13, a third bolt M passes through the first corner bracket 12, the first external connecting plate 13, and the first internal connecting component to fasten the first external connecting component and the first internal connecting component into a single unit. In this invention, the first external connecting plate 13 mates with the outer side wall of the first corner bracket 12.

[0040] The number of first corner brackets 12 is preferably four, and the spacing between the four first corner brackets 12 can be adjusted as needed. Therefore, this structure allows the length and width of the first outer connecting member to be adjusted as required. With the dimensions of the first corner bracket 12 remaining constant, when the spacing between two adjacent first corner brackets 12 is increased or decreased as needed, first outer connecting plates 13 of different widths can be selected to mate with the two first corner brackets 12. For example, when the spacing between two adjacent first corner brackets 12 is 20mm, a first outer connecting plate 13 with a width of 70mm is selected to mate with the two first corner brackets 12. When the spacing between two adjacent first corner brackets 12 is 30mm, a first outer connecting plate 13 with a width of 90mm is selected to mate with the two first corner brackets 12. Thus, the first corner bracket 12 in this utility model has versatility.

[0041] The first inner connecting component includes a first inner connecting plate 14 and a second inner connecting plate 15. The first inner connecting plate 14 and the second inner connecting plate 15 are fixed together, and the first inner connecting plate 14 is perpendicular to the second inner connecting plate 15. In this utility model, a third bolt M passes through the first outer connecting plate 13, the first angle bracket 12, and the first inner connecting plate 14, fastening the first outer connecting component and the first inner connecting component into one unit. A first bolt L passes through the second inner connecting plate 15 and the through hole on the ground beam A, fastening the second inner connecting plate 15 to the ground beam A into one unit.

[0042] The first inner connecting member further includes a first reinforcing plate 16, which is fixed to the first inner connecting plate 14 and the second inner connecting plate 15 respectively. In this utility model, the first reinforcing plate 16 is integrally formed with the first inner connecting plate 14 and the second inner connecting plate 15, and the first reinforcing plate 16 increases the strength of the first inner connecting member.

[0043] The column C is fixed to the first connecting member B and the second connecting member D. One end of the column C is fixed to the first connecting member B by a first bolt L, and the other end of the column C is fixed to the second connecting member D by a first bolt L. The column C includes a first sleeve 21 and two connecting side plates 22. After one end of each connecting side plate 22 is fixed to the first sleeve 21, the two connecting side plates 22 are parallel to each other or perpendicular to each other. For example, the two connecting side plates 22 on the column C used at the corner of the ground beam A are perpendicular to each other, while the two connecting side plates 22 on the column C used in the middle of the ground beam A are parallel to each other. The side plates 22 and the first sleeve 21 can be integrally formed, for example, by pultrusion; or the side plates 22 and the first sleeve 21 can be separately formed and fastened together by screws.

[0044] Since the wall thickness of the first sleeve 21 is only a few millimeters, after one end of the first sleeve 21 is fitted onto the first connecting member B, the first bolt L of the aforementioned structure passes through the first sleeve 21 and the first angle bracket 12 to fasten the column C to the first connecting member B as a whole. Similarly, after the other end of the first sleeve 21 is fitted onto the second connecting member D, the first bolt L of the aforementioned structure passes through the first sleeve 21 and the second connecting member D to fasten the column C to the second connecting member D as a whole. The side plate 22 is used to cooperate with the wall unit G. The wall unit G can preferably be a wall panel, and the side plate 22 is fixed to the wall unit G with bolts.

[0045] The inner wall of the first sleeve 21 is provided with a groove 23 for engaging with the first connecting member B. In this utility model, since the first outer connecting plate 13 engages with the outer wall of the first corner bracket 12, the first outer connecting plate 13 protrudes from the outer wall of the first corner bracket 12. When the first sleeve 21 is fitted onto the first connecting member B, after the first outer connecting plate 13 and the groove 23 form an insertion engagement, the inner wall of the first sleeve 21 is in contact with the outer wall of the first corner bracket 12.

[0046] The outer wall of the first sleeve 21 is provided with a protrusion 24. In this utility model, for example, a first bolt L is used to pass through the first sleeve 21 and the first angle bracket 12 to fasten the column C and the first connecting member B together. Therefore, the head of the first bolt L is exposed outside the column C. In order to prevent the head of the first bolt L from protruding outside the outer wall of the column C, after the protrusion 24 is provided on the first sleeve 21, a first clearance groove 25 is formed between one end of the protrusion 24 and the outer wall of the first sleeve 21, and a second clearance groove 26 is formed between the other end of the protrusion 24 and the outer wall of the first sleeve 21. After the first bolt L is installed, the head of the first bolt L remains in the first clearance groove 25 and the second clearance groove 26, so that the end face of the head of the first bolt L and the outer wall of the protrusion 24 are basically on the same plane, which looks more aesthetically pleasing.

[0047] The second connecting member D includes a second outer connecting member, a second inner connecting member, and a fourth bolt N. The second outer connecting member forms a second mounting hole 31. A part of the second inner connecting member is located inside the second mounting hole 31. Both the second outer connecting member and the second inner connecting member are provided with second through holes. After the fourth bolt N passes through the second through holes on the second outer connecting member and the second inner connecting member, it fixes the second inner connecting member and the second outer connecting member into one unit. The other part of the second inner connecting member is located outside the second mounting hole 31 and is fixed to the fourth connecting member H.

[0048] The second external connecting component includes a second corner bracket 32 ​​and a second external connecting plate 33. Multiple second corner brackets 32 are arranged at intervals to form the second mounting hole 31. Two adjacent second corner brackets 32 cooperate with the second external connecting plate 33. The fourth bolt N fastens the second corner brackets 32, the second external connecting plate 33 and the second internal connecting component into one unit.

[0049] The number of second corner brackets 32 is preferably four. The spacing between the four second corner brackets 32 can be adjusted as needed. Therefore, this structure allows the length and width of the second outer connecting member to be adjusted as required. With the dimensions of the second corner bracket 32 ​​remaining constant, when the spacing between two adjacent second corner brackets 32 is increased or decreased as needed, second outer connecting plates 33 of different widths can be selected to mate with the two second corner brackets 32. For example, when the spacing between two adjacent second corner brackets 32 is 20mm, a second outer connecting plate 33 with a width of 70mm is selected. When the spacing between two adjacent second corner brackets 32 is 30mm, a second outer connecting plate 33 with a width of 90mm is selected. Thus, the second corner bracket 32 ​​in this invention has versatility.

[0050] The second inner connecting member includes a third inner connecting plate 34 and a fourth inner connecting plate 35. After the third inner connecting plate 34 and the fourth inner connecting plate 35 are fixed, an obtuse angle is formed between the third inner connecting plate 34 and the fourth inner connecting plate 35. The third inner connecting plate 34 is fixed to the second outer connecting member. The fourth bolt N passes through the second outer connecting plate 33, the second angle bracket 32, and the third inner connecting plate 34, and fastens the second outer connecting plate 33, the second angle bracket 32, and the third inner connecting plate 34 into one unit. The structure of the fourth bolt N is the same as the structure of the third bolt M. A portion of the third inner connecting plate 34 is located outside the second mounting hole 31, and the fourth inner connecting plate 35 is located outside the second mounting hole 31 and is used to connect the fourth connecting member H.

[0051] The second inner connecting member further includes a second reinforcing plate 36, which is fixed to the third inner connecting plate 34 and the fourth inner connecting plate 35 respectively. In this invention, the second reinforcing plate 36 is integrally formed with the third inner connecting plate 34 and the fourth inner connecting plate 35, thereby increasing the strength of the second inner connecting member.

[0052] The second connecting member D is also fixed to the third connecting member E. The second connecting member D and the third connecting member E are fixed by the first bolt L. The third connecting member E includes a third outer connecting member, a third inner connecting member, and a fifth bolt O. The third outer connecting member forms a third mounting hole 41. The third inner connecting member is located in the third mounting hole 41. Both the third outer connecting member and the third inner connecting member are provided with a third through hole. After the fifth bolt O passes through the third through hole on the third outer connecting member and the third inner connecting member, it fixes the third inner connecting member and the third outer connecting member into one piece.

[0053] The third external connecting component includes a third corner bracket 42 and a third external connecting plate 43. Multiple third corner brackets 42 are arranged at intervals to form the third mounting hole 41. After two adjacent third corner brackets 42 are engaged with the third external connecting plate 43, the fifth bolt O passes through the third corner bracket 42, the third external connecting plate 43, and the third internal connecting component to fasten the third external connecting component and the third internal connecting component into one unit.

[0054] The number of third corner brackets 42 is preferably four, and the spacing between the four third corner brackets 42 can be adjusted as needed. Therefore, this structure allows the length and width of the third outer connecting member to be adjusted as required. With the size of the third corner bracket 42 itself remaining constant, when the spacing between two adjacent third corner brackets 42 is increased or decreased as needed, third outer connecting plates 43 of different widths can be selected to cooperate with the two third corner brackets 42. For example, when the spacing between two adjacent third corner brackets 42 is 20mm, a third outer connecting plate 43 with a width of 70mm is selected to cooperate with the two third corner brackets 42. When the spacing between two adjacent third corner brackets 42 is 30mm, a third outer connecting plate 43 with a width of 90mm is selected to cooperate with the two third corner brackets 42. Thus, the third corner bracket 42 in this utility model has versatility.

[0055] The third inner connecting member includes a fifth inner connecting plate 44 and a sixth inner connecting plate 45. The fifth inner connecting plate 44 is fixed to the sixth inner connecting plate 45 and is perpendicular to the sixth inner connecting plate 45. The fifth inner connecting plate 44 is used to connect with the third outer connecting member. The fifth inner connecting plate 44, the third angle bracket 42, and the third outer connecting plate 43 are fastened together by a fifth bolt O. The sixth inner connecting plate 45 is used to connect with the second connecting member D. The sixth inner connecting plate 45 and the second angle bracket 32 ​​are fastened together by bolts. The bolts used to fasten the sixth inner connecting plate 45 and the second angle bracket 32 ​​are preferably the first bolt L (see...). Figure 4 and Figure 14 ).

[0056] The third inner connecting member further includes a third reinforcing plate 46, which is fixed to the fifth inner connecting plate 44 and the sixth inner connecting plate 45 respectively. In this utility model, the third reinforcing plate 46 is integrally formed with the fifth inner connecting plate 44 and the sixth inner connecting plate 45, and the third reinforcing plate 46 increases the strength of the third inner connecting member.

[0057] Both ends of the beam F are fixed to the third connecting member E respectively. The two ends of the beam F are fixed to the third connecting member E respectively by the first bolt L. The structure of the beam F is the same as that of the column C, and will not be described in detail here.

[0058] The wall unit G is respectively connected to the ground beam A, column C, and room beam F. The wall unit G is fixed to the column C and room beam F. The wall unit G is made of wall panel. The wall unit G is fixed to the column C and room beam F with bolts. In this utility model, the wall unit G is preferably fixed to the column C and room beam F with the first bolt L.

[0059] The fourth connecting member H is fixed to the second connecting member D. The fourth connecting member H and the second connecting member D are fixed by the first bolt L. The fourth connecting member H includes a fourth outer connecting member, which forms a fourth mounting hole 51 that mates with the second connecting member D.

[0060] The fourth external connecting component includes a fourth corner bracket 52, a fourth external connecting plate 53, and a second bolt P. Multiple fourth corner brackets 52 are arranged at intervals to form the fourth mounting hole 51. Two adjacent fourth corner brackets 52 cooperate with the fourth external connecting plate 53. The second bolt P fastens the fourth corner bracket 52, the fourth external connecting plate 53, and the second internal connecting component into one unit.

[0061] The number of fourth corner brackets 52 is preferably four, and the spacing between the four fourth corner brackets 52 can be adjusted as needed. Therefore, this structure allows the length and width of the fourth outer connecting member to be adjusted as needed.

[0062] Because the third inner connecting plate 34 and the fourth inner connecting plate 35 form an obtuse angle, after the fourth connecting member H is fitted onto the fourth inner connecting plate 35 and fixed to it, the included angle between the fourth corner bracket 52 and the second corner bracket 32 ​​is an obtuse angle. When the top beam is connected to the fourth connecting member H of I, the top beam and I are inclined towards the column C.

[0063] The top beam I is fixed to the fourth connecting member H. The top beam I is typically triangular. In this embodiment, the top beam I is assembled from multiple roof beams F and multiple first connecting members B. Some of the roof beams F in the top beam I are arranged at an angle, while some of the roof beams F are arranged horizontally. The roof unit J is fixed to the top beam I, and the top beam I is fixed to the fourth connecting member H by the first bolt L.

[0064] The columns C, beam F, and roof beam I are all made of glass fiber reinforced plastic (GFRP). The base material of GFRP is synthetic resin, glass fiber, or their products (such as glass cloth, tape, felt, etc.). GFRP has high strength and rigidity, and its tensile strength is comparable to that of steel. Therefore, it can completely replace steel in the use of columns C, beam F, and roof beam I. Furthermore, the thermal conductivity of GFRP is as low as 0.13 W / mK, while that of steel is approximately 45 W / mK. The thermal conductivity of steel is much greater than that of GFRP. Therefore, using GFRP in columns C, beam F, and roof beam I avoids the rapid and concentrated transfer of heat from these areas, thus preventing heat loss and reducing thermal bridging, thereby improving indoor insulation.

Claims

1. A prefabricated house with reduced thermal bridging, comprising a ground beam (A), a first connecting member (B), a column (C), a second connecting member (D), a third connecting member (E), a roof beam (F), a wall unit (G), a fourth connecting member (H), a top beam (I), and a roof unit (J), wherein there are multiple first connecting members (B) and each is fixed to the ground beam (A), and the column (C) is fixed to the first connecting member (B), characterized in that, The column (C) is fixed to the second connecting member (D), which is also fixed to the third connecting member (E). Both ends of the roof beam (F) are fixed to the third connecting member (E). The wall unit (G) is connected to the ground beam (A), the column (C), and the roof beam (F). The wall unit (G) is fixed to the column (C) and the roof beam (F). The fourth connecting member (H) is fixed to the second connecting member (D). The top beam (I) is fixed to the fourth connecting member (H). The roof unit (J) is fixed to the top beam (I). The column (C), the roof beam (F), and the top beam (I) are all made of glass fiber reinforced plastic.

2. The prefabricated house with reduced thermal bridging according to claim 1, characterized in that, It also includes a first bolt (L), a first connecting member (B) and a ground beam (A) fixed by the first bolt (L), one end of a column (C) fixed to the first connecting member (B) by the first bolt (L), the other end of a column (C) fixed to a second connecting member (D) by the first bolt (L), the second connecting member (D) and a third connecting member (E) fixed by the first bolt (L), both ends of a roof beam (F) fixed to the third connecting member (E) by the first bolt (L), a fourth connecting member (H) fixed to the second connecting member (D) by the first bolt (L), and the top beam (I) fixed to the fourth connecting member (H) by the first bolt (L).

3. The prefabricated house with reduced thermal bridging according to claim 2, characterized in that, The first bolt (L) includes a first screw (1), a first nut (2), a sleeve (3), a washer (4), and a spring plate (5) that deforms under axial compressive force. The first screw (1) passes through the washer (4) and the sleeve (3) and is threaded to the first nut (2). The sleeve (3) is fixed to the washer (4). One end of the spring plate (5) is fixed to the sleeve (3), and the other end of the spring plate (5) is fixed to the first nut (2).

4. The prefabricated house with reduced thermal bridging according to claim 1, characterized in that, The first connecting member (B) includes a first outer connecting member, a first inner connecting member, and a third bolt (M). The first outer connecting member forms a first mounting hole (11). The first inner connecting member is located inside the first mounting hole (11). Both the first outer connecting member and the first inner connecting member are provided with a first through hole. The third bolt (M) passes through the first through hole on the first outer connecting member and the first inner connecting member and fixes the first inner connecting member and the first outer connecting member into one piece.

5. The prefabricated house with reduced thermal bridging according to claim 4, characterized in that, The first external connecting component includes a first corner bracket (12) and a first external connecting plate (13). Multiple first corner brackets (12) are arranged at intervals to form the first mounting hole (11). After two adjacent first corner brackets (12) are engaged with the first external connecting plate (13), a third bolt (M) passes through the first corner bracket (12), the first external connecting plate (13), and the first internal connecting component to fasten the first external connecting component and the first internal connecting component into one piece.

6. The prefabricated house with reduced thermal bridging according to claim 1, characterized in that, The column (C) and the beam (F) both include a first sleeve (21) and two connecting side plates (22). After one end of the two connecting side plates (22) is fixed to the first sleeve (21), the two connecting side plates (22) are parallel to each other or perpendicular to each other.

7. The prefabricated house with reduced thermal bridging according to claim 6, characterized in that, The inner wall of the first sleeve (21) is provided with a groove (23) that mates with the first connecting member (B), the second connecting member (D), the third connecting member (E), or the fourth connecting member (H).

8. The prefabricated house with reduced thermal bridging according to claim 6, characterized in that, The outer wall of the first sleeve (21) is provided with a protrusion (24), a first clearance groove (25) is formed between one end of the protrusion (24) and the outer wall of the first sleeve (21), and a second clearance groove (26) is formed between the other end of the protrusion (24) and the outer wall of the first sleeve (21).

9. The prefabricated house with reduced thermal bridging according to claim 1, characterized in that, The second connecting member (D) includes a second outer connecting member, a second inner connecting member, and a fourth bolt (N). The second outer connecting member forms a second mounting hole (31). A part of the second inner connecting member is located inside the second mounting hole (31). Both the second outer connecting member and the second inner connecting member are provided with second through holes. The fourth bolt (N) passes through the second through holes on the second outer connecting member and the second inner connecting member and fixes the second inner connecting member and the second outer connecting member into one unit. The other part of the second inner connecting member is located outside the second mounting hole (31) and is fixed to the fourth connecting member (H).

10. The prefabricated house with reduced thermal bridging according to claim 1, characterized in that, The third connecting member (E) includes a third outer connecting member, a third inner connecting member, and a fifth bolt (O). The third outer connecting member forms a third mounting hole (41), and the third inner connecting member is located inside the third mounting hole (41). Both the third outer connecting member and the third inner connecting member are provided with a third through hole. The fifth bolt (O) passes through the third through hole on the third outer connecting member and the third inner connecting member and fixes the third inner connecting member and the third outer connecting member into one piece.

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