Fabricated frame and fabricated wallboard structure

Abstract

The invention relates to the technical field of building structures, and discloses an assembly type frame and an assembly type wallboard structure.The assembly type frame comprises two first keel pieces, two second keel pieces, a third keel piece and a fourth keel piece, the two ends of the first keel piece extend outwards along the U-shaped side wall to form a first convex edge and a second convex edge respectively; the sections of the fourth keel pieces are U-shaped, and openings of the fourth keel pieces are opposite; the two ends of the first keel piece extend into the two opposite ends of the two fourth keel pieces correspondingly. The first convex edge and the second convex edge are attached to the two inner side walls of the U-shaped section of the fourth keel piece respectively. The first keel pieces and the fourth keel pieces are connected through rivets, and the two first keel pieces and the two fourth keel pieces form a rectangular assembly type frame. The first keel piece and the fourth keel piece are connected through the rivets, the rivet holes can be prefabricated in advance, all the structures are integrally spliced, mounted and prefabricated, the structure is simple, machining is easy, the structure is reliable, the prefabrication rate of a factory is increased, and the overall assembly precision is ensured.

Description

Technical Field

[0001] This invention relates to the field of building structure technology, specifically to a prefabricated frame and prefabricated wall panel structure. Background Technology

[0002] Prefabricated wall panels are categorized into interior and exterior wall panels based on building function. Interior wall panels primarily serve as load-bearing components and are made from a single material; exterior wall panels are generally non-load-bearing, combining insulation, heat insulation, and waterproofing functions, and their construction is more complex, sometimes using composite materials. The prefabricated wall panel structure itself and its connection to the external steel structure are crucial to ensuring the building's strength, necessary rigidity, and overall spatial performance. Currently, prefabricated wall panel structures on the market primarily use welding or screw fixing, resulting in a complex assembly process and significant challenges in precision control. Summary of the Invention

[0003] In view of this, the present invention provides a prefabricated frame to solve the problem that the assembly process of prefabricated wall panel structures, which are mainly fixed by welding or screws, is relatively complex and difficult to control in terms of precision.

[0004] In a first aspect, the present invention provides a prefabricated frame, comprising: Two first keel members are arranged parallel to each other in the transverse direction. The cross-section of the first keel member is U-shaped, and the U-shaped openings of the two first keel members are arranged opposite each other. The two ends of the first keel members extend outward along the U-shaped sidewall to form a first convex edge and a second convex edge, respectively. Two fourth keel members are arranged parallel to each other longitudinally. The cross-section of each fourth keel member is U-shaped, and the U-shaped openings of the two fourth keel members are positioned opposite each other. The two ends of the first keel member extend into the interior of the two opposite ends of the two fourth keel members. The first and second convex edges of the first keel member respectively fit against the two inner sidewalls of the U-shaped cross-section of the fourth keel member. First rivet holes are provided on both the first and second convex edges, and second rivet holes corresponding to the first rivet holes are provided on the two sidewalls of the U-shaped cross-section of the fourth keel member. The ends of the first and fourth keel members are connected by rivets within the first and corresponding second rivet holes, forming a rectangular assembled frame with the two first and two fourth keel members. Beneficial effects: This application adopts the above technical solution, connecting the first and fourth keel members with rivets. The rivet holes can be prefabricated, and all structures can be prefabricated and assembled as a whole. The structure is simple, easy to process, and reliable, improving the prefabrication rate of the factory and ensuring overall assembly accuracy. The prefabricated frame described in this application is easy to process and manufacture, and can be mass-produced; it is simple to assemble in the workshop without welding, which improves assembly efficiency, and can be completed by robots.

[0005] Optionally, the inner ends of both the first and second protruding edges taper towards the center line of the U-shaped opening, and both the first and second protruding edges are parallel to the U-shaped sidewall of the first keel member. When the first and second protruding edges are respectively fitted to the two sidewalls of the U-shaped section of the fourth keel member, the outer surface of the U-shaped sidewall of the first keel member is flush with the outer surface of the U-shaped sidewall of the fourth keel member. Beneficial effects: This application adopts the above technical solution to ensure a flat outer surface of the prefabricated frame and that the structure is easy to process, which is beneficial for subsequent construction.

[0006] Optionally, the first keel member and the fourth keel member are connected at the four apex corners of the rectangular prefabricated frame by a first fastener and / or a second fastener. Beneficial effect: This application adopts the above technical solution to ensure the reliability and strength of the prefabricated frame connection.

[0007] Optionally, the first fastener includes: The first flat plate structure is provided with a first bolt hole. The first flat plate structure is fitted with the U-shaped bottom wall of the fourth keel member. The U-shaped bottom wall of the fourth keel member is provided with a second bolt hole corresponding to the first bolt hole. The first flat plate structure is connected to the U-shaped bottom wall of the fourth keel member by the first bolt passing through the first bolt hole and the second bolt hole. The first flange structure is perpendicularly connected to the side of the U-shaped sidewall of the first flat plate structure near the fourth keel member. The inner end of the second flange structure is perpendicularly connected to the side of the first flange structure near the end of the fourth keel piece. The third flange structure is parallel to the first flange structure and is perpendicularly connected to the outer end of the second flange structure. A third bolt hole is provided on the first convex edge of the first keel member, and a fourth bolt hole corresponding to the third bolt hole is provided on the U-shaped sidewall of the fourth keel member. The first convex edge of the first keel member is connected to the first and fourth keel members by passing through the third and fourth bolt holes with an external hexagonal bolt. The top surface of the bolt head of the external hexagonal bolt abuts against the outer side surface of the first flange structure, the side plane of the bolt head abuts against the inner side surface of the second flange structure, and the bolt shank of the external hexagonal bolt contacts the concave arc surface provided on the third flange structure. The end of the external hexagonal bolt protruding from the fourth keel member is suitable for connection to an external steel structure. Beneficial effects: This application adopts the above technical solution, and the specially designed first fixing member ensures that the external hexagonal bolt will not rotate or shift, achieving double-limit self-locking. Furthermore, the assembled frame can be easily installed on the steel structure.

[0008] Optionally, the second fastener includes: The second flat plate structure is provided with a fifth bolt hole. The second flat plate structure is fitted to the U-shaped bottom wall of the fourth keel member. The U-shaped bottom wall of the fourth keel member is provided with a second bolt hole corresponding to the fifth bolt hole. The second flat plate structure is connected to the U-shaped bottom wall of the fourth keel member by passing through the fifth bolt hole and the second bolt hole with a second bolt. The end of the second bolt protruding from the fourth keel member is suitable for connection with an external steel structure. A third flat plate structure is perpendicularly connected to the inner end of the second flat plate structure, and a sixth bolt hole is provided on the third flat plate structure. The third flat plate structure fits against the U-shaped bottom wall of the first keel component, and the third flat plate structure is connected to the U-shaped bottom wall of the first keel component by a third bolt passing through the sixth bolt hole. Beneficial effects: This application adopts the above technical solution, which, through bolt connection, is more secure and improves the accuracy and reliability of installation.

[0009] Optionally, the two sides of the second plate structure are respectively located close to the two side walls of the U-shaped section of the fourth keel member; and reinforcing ribs are provided on both sides of the third plate structure. Beneficial effects: This application adopts the above technical solution to prevent the second plate structure from rotating and to ensure the strength of the third plate structure.

[0010] Optionally, it also includes: The second keel component has a U-shaped cross-section, with its two ends extending outward along the U-shaped sidewalls as a third and fourth convex edge, respectively. Both ends of the second keel component extend into the U-shaped openings of the two fourth keel components. The third and fourth convex edges of the second keel component respectively abut against the two inner sidewalls of the U-shaped cross-section of the fourth keel component. Each of the third and fourth convex edges has a third rivet hole, and each of the two sidewalls of the U-shaped cross-section of the fourth keel component has a fourth rivet hole corresponding to the third rivet hole. The ends of the second keel component are connected to the fourth keel component via rivets in the third and corresponding fourth rivet holes. Beneficial effect: This application adopts the above technical solution, using the second keel component to provide lateral reinforcement, thereby stabilizing the entire prefabricated frame.

[0011] Optionally, it also includes: Two third keel members are respectively connected between the first and second keel members on one side and between the first and second keel members on the other side; the cross-section of each third keel member is U-shaped, and the two ends of each third keel member extend outward along the U-shaped sidewalls to form a fifth and a sixth convex edge, respectively; the first end of each third keel member extends into the U-shaped opening of the first keel member; the fifth and sixth convex edges of the third keel member respectively fit against the two inner sidewalls of the U-shaped cross-section of the first keel member; each of the fifth and sixth convex edges is provided with a fifth rivet hole, and the U-shaped cross-section of the first keel member... The two side walls of the U-shaped cross section are respectively provided with a sixth rivet hole corresponding to the fifth rivet hole; the first end of the third keel member is connected to the first keel member by rivets in the fifth rivet hole and the corresponding sixth rivet hole, as a first connection form; the end of the third keel member opposite to the U-shaped opening of the second keel member is the second end. After replacing the first end with the second end and replacing the first keel member with the second keel member, the two side walls of the U-shaped cross section of the second keel member are respectively provided with a ninth rivet hole corresponding to the fifth rivet hole, and the second end is connected to the second keel member by the first connection form. The fifth keel component is a U-shaped component, the bottom wall of which is fitted against the side of the U-shaped opening of the second keel component facing away from it; a seventh rivet hole is provided on the bottom wall of the U-shaped component, and an eighth rivet hole corresponding to the seventh rivet hole is provided on the bottom wall of the U-shaped section of the second keel component; the fifth keel component and the second keel component are connected by rivets in the seventh rivet hole and the corresponding eighth rivet hole; the fifth and sixth protruding edges of the third end of another third keel component are respectively fitted against the two inner sidewalls of the U-shaped component; in the U-shaped component... The two side walls are respectively provided with ninth rivet holes corresponding to the fifth rivet holes at the third end of another third keel member; the third end of the other third keel member is connected to the fifth keel member by rivets in the fifth rivet holes and the corresponding ninth rivet holes at the third end of the other third keel member; after replacing the fourth end of the other third keel member with the second end, and replacing the first keel member with the first keel member on the other side, the fourth end of the other third keel member is connected to the first keel member on the other side by a first connection method. Beneficial effects: The present application adopts the above technical solution, and the fourth keel member plays a role in longitudinal reinforcement to stabilize the entire prefabricated frame; and by specially setting the fifth keel member, it not only facilitates connection, but also reduces material usage and connection hole positions, and enhances the bending resistance of the second keel member.

[0012] Optionally, the rivets are blind rivets, the second keel members are multiple parallel members spaced apart, the third keel members are multiple parallel members spaced apart, and the fifth keel members are multiple members corresponding to the third keel members; a lifting hole is provided on the bottom wall of the U-shaped cross-section of the first keel member. Beneficial effects: This application adopts the above technical solution, which allows for the change of the number of transverse or longitudinal reinforcing members according to actual requirements, achieving overall structural stability; the lifting hole facilitates lifting.

[0013] Secondly, the present invention provides a prefabricated wall panel structure, comprising: The aforementioned prefabricated frame; Rock wool is installed within the prefabricated frame; A vapor barrier membrane is disposed on the inner side of the assembled frame; Fiberglass panels are installed on the outside of the assembled frame; A waterproof and breathable membrane is installed on the outside of the fiberglass board. Beneficial effects: This application adopts the above technical solution, allowing different types of surface materials to be laminated onto the inner and outer surfaces of the prefabricated frame to meet the needs of different functional wall panels. Specifically, the fiberglass board increases rigidity, reduces thermal bridging, and has good thermal insulation properties, with micropores on its surface allowing gas to pass through; the rock wool provides sufficient thermal insulation; the waterproof and breathable membrane allows for air circulation and ensures internal dryness; and the vapor barrier prevents moisture ingress and internal corrosion. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a three-dimensional structural diagram of the assembled frame provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of a partial three-dimensional structure at the first fastener of the prefabricated frame provided in an embodiment of the present invention. Figure 1 ; Figure 3 This is a schematic diagram of a partial three-dimensional structure at the first fastener of the prefabricated frame provided in an embodiment of the present invention. Figure 2 ; Figure 4 This is a partial three-dimensional structural diagram of the prefabricated frame provided in an embodiment of the present invention, where the second fastener is used. Figure 5This is a three-dimensional structural diagram of the first keel member provided in an embodiment of the present invention; Figure 6 This is a three-dimensional structural diagram of the second keel member provided in an embodiment of the present invention; Figure 7 This is a three-dimensional structural diagram of the third keel member provided in an embodiment of the present invention; Figure 8 This is a three-dimensional structural diagram of the fourth keel member provided in an embodiment of the present invention; Figure 9 This is a three-dimensional structural diagram of the fifth keel member provided in an embodiment of the present invention; Figure 10 This is a three-dimensional structural diagram of the first fastener provided in an embodiment of the present invention. Figure 1 ; Figure 11 This is a three-dimensional structural diagram of the first fastener provided in an embodiment of the present invention. Figure 2 ; Figure 12 This is a three-dimensional structural diagram of the second fastener provided in an embodiment of the present invention. Figure 1 ; Figure 13 This is a three-dimensional structural diagram of the second fastener provided in an embodiment of the present invention. Figure 2 ; Figure 14 This is a cross-sectional structural diagram of the prefabricated wall panel structure provided in an embodiment of the present invention.

[0016] Explanation of reference numerals in the attached figures: 1. First keel component; 2. Second keel component; 3. Third keel component; 4. Fourth keel component; 5. Fifth keel component; 6. First protruding edge; 7. Second protruding edge; 8. First rivet hole; 9. Second rivet hole; 10. First fastener; 11. Second fastener; 12. First flat plate structure; 13. First bolt hole; 14. Second bolt hole; 15. First bolt; 16. First flange structure; 17. Second flange structure; 18. Third flange structure; 19. Third bolt hole; 20. Fourth bolt hole; 21. External hexagonal bolt; 22. Concave arc Surface; 23. Second flat plate structure; 24. Fifth bolt hole; 25. Second bolt; 26. Third flat plate structure; 27. Sixth bolt hole; 28. Reinforcing rib; 29. ​​Third protruding edge; 30. Fourth protruding edge; 31. Third rivet hole; 32. Fourth rivet hole; 33. Fifth protruding edge; 34. Sixth protruding edge; 35. Fifth rivet hole; 36. Sixth rivet hole; 37. Seventh rivet hole; 38. Eighth rivet hole; 39. Rock wool; 40. Vapor barrier membrane; 41. Fiberglass board; 42. Waterproof and breathable membrane; 43. Lifting hole; 44. Ninth rivet hole. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] like Figures 1 to 13 One specific embodiment of the prefabricated frame shown includes: two first keel members 1, two fourth keel members 4, a second keel member 2, two third keel members 3, and a fifth keel member 5.

[0019] like Figure 1 , Figure 5 and Figure 8 As shown, two first keel members 1 are arranged parallel to each other in the transverse direction. The cross-section of the first keel member 1 is U-shaped, and the U-shaped openings of the two first keel members 1 are arranged opposite each other. The two ends of the first keel member 1 extend outward along the U-shaped sidewall to form a first convex edge 6 and a second convex edge 7, respectively. Two fourth keel members 4 are arranged parallel to each other longitudinally. The cross-section of the fourth keel member 4 is U-shaped, and the U-shaped openings of the two fourth keel members 4 are arranged opposite each other. The two ends of the first keel member 1 extend into the interior of the two opposite ends of the two fourth keel members 4. The first protruding edge 6 and the second protruding edge 7 of the first keel member 1 are respectively attached to the two inner sidewalls of the U-shaped cross-section of the fourth keel member 4. First rivet holes 8 are provided on the first protruding edge 6 and the second protruding edge 7. Second rivet holes 9 corresponding to the first rivet holes 8 are provided on the two sidewalls of the U-shaped cross-section of the fourth keel member 4. The ends of the first keel member 1 and the ends of the fourth keel member 4 are connected by rivets in the first rivet holes 8 and the corresponding second rivet holes 9. The two first keel members 1 and the two fourth keel members 4 form a rectangular assembled frame. Figure 1 The arrow at the bottom indicates the longitudinal direction. Furthermore, the inner ends of the first convex edge 6 and the second convex edge 7 both contract towards the center line of the U-shaped opening, and the first convex edge 6 and the second convex edge 7 are parallel to the U-shaped sidewall of the first keel member 1. When the first convex edge 6 and the second convex edge 7 are respectively attached to the two sidewalls of the U-shaped section of the fourth keel member 4, the outer surface of the U-shaped sidewall of the first keel member 1 is flush with the outer surface of the U-shaped sidewall of the fourth keel member 4.

[0020] like Figures 2 to 4 , Figure 8 as well as Figures 10 to 13 As shown, the first keel member 1 and the fourth keel member 4 are connected at the four apex corners of the rectangular prefabricated frame by the first fastener 10 and / or the second fastener 11.

[0021] Specifically, the first fastener 10 includes: a first flat plate structure 12, a first flange structure 16, a second flange structure 17, and a third flange structure 18. The first flat plate structure 12 has a first bolt hole 13 and fits against the U-shaped bottom wall of the fourth keel member 4. The U-shaped bottom wall of the fourth keel member 4 has a second bolt hole 14 corresponding to the first bolt hole 13. The first flat plate structure 12 is connected to the U-shaped bottom wall of the fourth keel member 4 by a first bolt 15 passing through the first bolt hole 13 and the second bolt hole 14. The first flange structure 16 is perpendicularly connected to the side of the first flat plate structure 12 near the U-shaped side wall of the fourth keel member 4. The inner end of the second flange structure 17 is perpendicularly connected to the side of the first flange structure 16 near the end of the fourth keel member 4. The third flange structure 18 is parallel to the first flange structure 16, and the outer end of the third flange structure 18 is perpendicularly connected to the outer end of the second flange structure 17. A third bolt hole 19 is provided on the first protruding edge 6 of the first keel member 1, and a fourth bolt hole 20 corresponding to the third bolt hole 19 is provided on the U-shaped side wall of the fourth keel member 4. The first protruding edge 6 of the first keel member 1 is connected to the first keel member 1 and the fourth keel member 4 by passing through the third bolt hole 19 and the fourth bolt hole 20 with an external hexagonal bolt 21. The top surface of the bolt head of the external hexagonal bolt 21 abuts against the outer side surface of the first flange structure 16, the side plane of the bolt head of the external hexagonal bolt 21 abuts against the inner side surface of the second flange structure 17, and the bolt shank of the external hexagonal bolt 21 contacts the concave arc surface 22 provided on the third flange structure 18. The concave arc surface 22 can be a quarter-circle hole. The end of the external hexagonal bolt 21 protruding from the fourth keel member 4 is suitable for connection with the external steel structure. The first flat plate structure 12, the first flange structure 16, the second flange structure 17 and the third flange structure 18 can be an integral structure.

[0022] Specifically, the second fastener 11 includes a second flat plate structure 23 and a third flat plate structure 26. The second flat plate structure 23 has a fifth bolt hole 24 and is fitted to the U-shaped bottom wall of the fourth keel member 4. The U-shaped bottom wall of the fourth keel member 4 has a second bolt hole 14 corresponding to the fifth bolt hole 24. The second flat plate structure 23 is connected to the U-shaped bottom wall of the fourth keel member 4 by a second bolt 25 passing through the fifth bolt hole 24 and the second bolt hole 14. One end of the second bolt 25 protruding from the fourth keel member 4 is suitable for connection to an external steel structure. The third flat plate structure 26 is perpendicularly connected to the inner end of the second flat plate structure 23 and has a sixth bolt hole 27. The third flat plate structure 26 is fitted to the U-shaped bottom wall of the first keel member 1 and is connected to the U-shaped bottom wall of the first keel member 1 by a third bolt passing through the sixth bolt hole 27. The second flat plate structure 23 and the third flat plate structure 26 can be an integral structure. Furthermore, the two sides of the second flat plate structure 23 are respectively located close to the two side walls of the U-shaped section of the fourth keel member 4; and the two sides of the third flat plate structure 26 are provided with reinforcing ribs 28.

[0023] like Figure 1 , Figure 6 and Figure 8 As shown, the second keel member 2 has a U-shaped cross-section. The two ends of the second keel member 2 extend outwards along the U-shaped sidewalls, with a third protruding edge 29 and a fourth protruding edge 30, respectively. The two ends of the second keel member 2 extend into the U-shaped openings of the two fourth keel members 4. The third protruding edge 29 and the fourth protruding edge 30 of the second keel member 2 respectively fit against the two inner sidewalls of the U-shaped cross-section of the fourth keel member 4. The third protruding edge 29 and the fourth protruding edge 30 can also be tapered towards the centerline of the U-shaped opening, making the outer surface of the U-shaped sidewall of the first keel member 1 flush with the outer surface of the U-shaped sidewall of the second keel member 2. The two ends of the second keel member 2 can be connected to the middle of the two fourth keel members 4, respectively. Third rivet holes 31 are provided on both the third protruding edge 29 and the fourth protruding edge 30. Fourth rivet holes 32 corresponding to the third rivet holes 31 are provided on both sides of the U-shaped section of the fourth keel member 4. The end of the second keel member 2 and the fourth keel member 4 are connected by rivets in the third rivet holes 31 and the corresponding fourth rivet holes 32.

[0024] like Figure 1 , Figures 5 to 7 ,as well as Figure 9As shown, two third keel members 3 are respectively connected between the first keel member 1 and the second keel member 2 on one side, and between the first keel member 1 and the second keel member 2 on the other side; the two third keel members 3 can be located on the same straight line, and connected in the middle of the first keel member 1 and in the middle of the second keel member 2. The cross-section of the third keel member 3 is U-shaped, and the two ends of the third keel member 3 extend outward along the U-shaped sidewall to form a fifth protruding edge 33 and a sixth protruding edge 34, respectively; the first end of the third keel member 3 extends into the U-shaped opening of the first keel member 1; the fifth protruding edge 33 and the sixth protruding edge 34 of the third keel member 3 are respectively attached to the two inner sidewalls of the U-shaped cross-section of the first keel member 1; the fifth protruding edge 33 and the sixth protruding edge 34 can also be in the form of contracting towards the center line of the U-shaped opening, so that the outer surface of the U-shaped sidewall of the first keel member 1 is flush with the outer surface of the U-shaped sidewall of the third keel member 3. Fifth rivet holes 35 are provided on both the fifth protruding edge 33 and the sixth protruding edge 34. Sixth rivet holes 36 corresponding to the fifth rivet holes 35 are provided on both sides of the U-shaped cross-section of the first keel member 1. The first end of the third keel member 3 is connected to the first keel member 1 by rivets in the fifth rivet holes 35 and the corresponding sixth rivet holes 36, which is the first connection form. The end of the third keel member 3 opposite to the U-shaped opening of the second keel member 2 is the second end. After replacing the first end with the second end and replacing the first keel member 1 with the second keel member 2, ninth rivet holes 44 corresponding to the fifth rivet holes 35 are provided on both sides of the U-shaped cross-section of the second keel member 2. The second end is connected to the second keel member 2 by the first connection form. The fifth keel member 5 is a U-shaped member, and the bottom wall of the U-shaped member is fitted against the side of the U-shaped opening of the second keel member 2 that is opposite to it. A seventh rivet hole 37 is provided on the bottom wall of the U-shaped member, and an eighth rivet hole 38 corresponding to the seventh rivet hole 37 is provided on the bottom wall of the U-shaped section of the second keel member 2. The fifth keel member 5 and the second keel member 2 are connected by rivets in the seventh rivet hole 37 and the corresponding eighth rivet hole 38. The fifth protruding edge 33 and the sixth protruding edge 34 at the third end of another third keel member 3 are respectively fitted against the two inner sidewalls of the U-shaped member. The two side walls of the shaped component are respectively provided with a ninth rivet hole 44 corresponding to the fifth rivet hole 35 at the third end of another third keel component 3; the third end of the other third keel component 3 and the fifth keel component 5 are connected by rivets in the fifth rivet hole 35 and the corresponding ninth rivet hole 44 at the third end of the other third keel component 3; after replacing the fourth end of the other third keel component 3 with the second end, and replacing the first keel component 1 with the first keel component 1 on the other side, the fourth end of the other third keel component 3 and the first keel component 1 on the other side are connected by a first connection form.

[0025] Furthermore, all the rivets mentioned above are blind rivets; the second keel component 2 consists of multiple parallel rivets spaced apart; the third keel component 3 consists of multiple parallel rivets spaced apart; and the fifth keel component 5 consists of multiple rivets corresponding to the third keel components 3. A lifting hole 43 is provided on the bottom wall of the U-shaped cross-section of the first keel component 1. The lifting hole 43 can be a threaded hole.

[0026] like Figure 14 One specific embodiment of the prefabricated wall panel structure shown includes: the prefabricated frame, rock wool 39, vapor barrier 40, fiberglass board 41, and waterproof and breathable membrane 42.

[0027] The rock wool 39 is disposed within the prefabricated frame; the vapor barrier 40 is disposed on the inner side of the prefabricated frame; the fiberglass board 41 is disposed on the outer side of the prefabricated frame; and the waterproof and breathable membrane 42 is disposed on the outer side of the fiberglass board 41.

[0028] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A prefabricated frame, characterized in that, include: Two first keel members (1) are arranged parallel to each other in the transverse direction. The cross section of the first keel member (1) is U-shaped, and the U-shaped openings of the two first keel members (1) are arranged opposite to each other. The two ends of the first keel member (1) extend outward along the U-shaped sidewall to form a first protruding edge (6) and a second protruding edge (7). Two fourth keel members (4) are arranged parallel to each other in the longitudinal direction. The cross-section of the fourth keel member (4) is U-shaped, and the U-shaped openings of the two fourth keel members (4) are arranged opposite each other. The two ends of the first keel member (1) extend into the interior of the two opposite ends of the two fourth keel members (4). The first convex edge (6) and the second convex edge (7) of the first keel member (1) are respectively attached to the two inner side walls of the U-shaped cross-section of the fourth keel member (4). The first rivet hole (8) is provided on the first convex edge (6) and the second convex edge (7). The two side walls of the U-shaped cross-section of the fourth keel member (4) are respectively provided with second rivet holes (9) corresponding to the first rivet holes (8). The ends of the first keel member (1) and the ends of the fourth keel member (4) are connected by rivets in the first rivet hole (8) and the corresponding second rivet hole (9). The two first keel members (1) and the two fourth keel members (4) form a rectangular assembled frame.

2. The prefabricated frame according to claim 1, characterized in that, The inner ends of the first convex edge (6) and the second convex edge (7) both contract toward the center line of the U-shaped opening, and the first convex edge (6) and the second convex edge (7) are parallel to the U-shaped sidewall of the first keel member (1). When the first convex edge (6) and the second convex edge (7) respectively fit against the two sidewalls of the U-shaped section of the fourth keel member (4), the outer surface of the U-shaped sidewall of the first keel member (1) is flush with the outer surface of the U-shaped sidewall of the fourth keel member (4).

3. The prefabricated frame according to claim 1, characterized in that, The first keel (1) and the fourth keel (4) are connected at the four corners of the rectangular assembled frame by a first fastener (10) and / or a second fastener (11).

4. The prefabricated frame according to claim 3, characterized in that, The first fastener (10) includes: The first flat plate structure (12) is provided with a first bolt hole (13). The first flat plate structure (12) is attached to the U-shaped bottom wall of the fourth keel member (4). The U-shaped bottom wall of the fourth keel member (4) is provided with a second bolt hole (14) corresponding to the first bolt hole (13). The first flat plate structure (12) is connected to the U-shaped bottom wall of the fourth keel member (4) by the first bolt (15) passing through the first bolt hole (13) and the second bolt hole (14). The first flange structure (16) is perpendicularly connected to one side of the U-shaped sidewall of the first flat plate structure (12) near the fourth keel member (4); The inner end of the second flange structure (17) is perpendicularly connected to the side of the first flange structure (16) near the end of the fourth keel piece (4); The third flange structure (18) is parallel to the first flange structure (16), and the third flange structure (18) is perpendicularly connected to the outer end of the second flange structure (17); a third bolt hole (19) is provided on the first protruding edge (6) of the first keel member (1), and a fourth bolt hole (20) corresponding to the third bolt hole (19) is provided on the U-shaped sidewall of the fourth keel member (4); the first protruding edge (6) of the first keel member (1) passes through the third bolt hole (19) and the fourth bolt hole (20) through an external hexagonal bolt (21). Bolt hole (20) for connecting the first keel member (1) and the fourth keel member (4); and the top surface of the bolt head of the external hexagonal bolt (21) abuts against the outer side surface of the first flange structure (16), the side plane of the bolt head of the external hexagonal bolt (21) abuts against the inner side surface of the second flange structure (17), and the bolt shank of the external hexagonal bolt (21) contacts the concave arc surface (22) provided on the third flange structure (18); the end of the external hexagonal bolt (21) protruding from the fourth keel member (4) is suitable for connection with the external steel structure.

5. The prefabricated frame according to claim 3, characterized in that, The second fastener (11) includes: The second flat plate structure (23) is provided with a fifth bolt hole (24). The second flat plate structure (23) is fitted to the U-shaped bottom wall of the fourth keel member (4). The U-shaped bottom wall of the fourth keel member (4) is provided with a second bolt hole (14) corresponding to the fifth bolt hole (24). The second flat plate structure (23) is connected to the U-shaped bottom wall of the fourth keel member (4) by passing through the fifth bolt hole (24) and the second bolt hole (14) with a second bolt (25). The end of the second bolt (25) protruding from the fourth keel member (4) is suitable for connection with the external steel structure. The third plate structure (26) is perpendicularly connected to the inner end of the second plate structure (23), and a sixth bolt hole (27) is provided on the third plate structure (26); the third plate structure (26) is attached to the U-shaped bottom wall of the first keel member (1), and the third plate structure (26) is connected to the U-shaped bottom wall of the first keel member (1) by the third bolt passing through the sixth bolt hole (27).

6. The prefabricated frame according to claim 5, characterized in that, The two sides of the second flat plate structure (23) are respectively located close to the two side walls of the U-shaped section of the fourth keel member (4); the two sides of the third flat plate structure (26) are provided with reinforcing ribs (28).

7. The prefabricated frame according to any one of claims 1-6, characterized in that, Also includes: The second keel component (2) has a U-shaped cross section. The two ends of the second keel component (2) extend outward along the U-shaped sidewalls to form a third protruding edge (29) and a fourth protruding edge (30), respectively. The two ends of the second keel component (2) extend into the U-shaped openings of the two fourth keel components (4), respectively. The third protruding edge (29) and the fourth protruding edge (30) of the second keel component (2) are respectively attached to the two inner sidewalls of the U-shaped cross section of the fourth keel component (4). The third rivet hole (31) is provided on the third protruding edge (29) and the fourth protruding edge (30). The two sidewalls of the U-shaped cross section of the fourth keel component (4) are respectively provided with a fourth rivet hole (32) corresponding to the third rivet hole (31). The end of the second keel component (2) and the fourth keel component (4) are connected by rivets in the third rivet hole (31) and the corresponding fourth rivet hole (32).

8. The prefabricated frame according to claim 7, characterized in that, Also includes: Two third keel members (3) are respectively connected between the first keel member (1) and the second keel member (2) on one side, and between the first keel member (1) and the second keel member (2) on the other side; the cross section of the third keel member (3) is U-shaped, and the two ends of the third keel member (3) extend outward along the U-shaped sidewall to form a fifth protruding edge (33) and a sixth protruding edge (34); the first end of the third keel member (3) extends into the U-shaped opening of the first keel member (1); the fifth protruding edge (33) and the sixth protruding edge (34) of the third keel member (3) are respectively attached to the two inner sidewalls of the U-shaped cross section of the first keel member (1); a fifth rivet hole (35) is provided on the fifth protruding edge (33) and the sixth protruding edge (34), in the first The two side walls of the U-shaped section of the keel member (1) are respectively provided with a sixth rivet hole (36) corresponding to the fifth rivet hole (35); the first end of the third keel member (3) and the first keel member (1) are connected by rivets in the fifth rivet hole (35) and the corresponding sixth rivet hole (36) as a first connection form; the end of the third keel member (3) opposite to the U-shaped opening of the second keel member (2) is the second end. After replacing the first end with the second end and replacing the first keel member (1) with the second keel member (2), the two side walls of the U-shaped section of the second keel member (2) are respectively provided with a ninth rivet hole (44) corresponding to the fifth rivet hole (35). The second end is connected to the second keel member (2) through the first connection form. The fifth keel component (5) is a U-shaped component, the bottom wall of which is attached to the side opposite to the U-shaped opening of the second keel component (2); a seventh rivet hole (37) is provided on the bottom wall of the U-shaped component, and an eighth rivet hole (38) corresponding to the seventh rivet hole (37) is provided on the bottom wall of the U-shaped section of the second keel component (2); the fifth keel component (5) and the second keel component (2) are connected by rivets in the seventh rivet hole (37) and the corresponding eighth rivet hole (38); the fifth protruding edge (33) and the sixth protruding edge (34) of the third end of another third keel component (3) are respectively attached to the two inner side walls of the U-shaped component; in the U-shaped The two side walls of the component are respectively provided with a ninth rivet hole (44) corresponding to the fifth rivet hole (35) at the third end of another third keel component (3); the third end of the other third keel component (3) and the fifth keel component (5) are connected by rivets in the fifth rivet hole (35) and the corresponding ninth rivet hole (44) at the third end of the other third keel component (3); after replacing the fourth end of the other third keel component (3) with the second end, and replacing the first keel component (1) with the first keel component (1) on the other side, the fourth end of the other third keel component (3) and the first keel component (1) on the other side are connected by a first connection form.

9. The prefabricated frame according to claim 8, characterized in that, The rivet is a blind rivet, the second keel (2) consists of multiple parallel keel members spaced apart, the third keel (3) consists of multiple parallel keel members spaced apart, and the fifth keel (5) consists of multiple keel members corresponding to the third keel (3); a lifting hole (43) is provided on the bottom wall of the U-shaped section of the first keel member (1).

10. A prefabricated wall panel structure, characterized in that, include: The prefabricated frame according to any one of claims 1-9; Rock wool (39) is installed within the prefabricated frame; A vapor barrier membrane (40) is disposed on the inner side of the assembled frame; Fiberglass board (41) is disposed on the outside of the assembled frame; A waterproof and breathable membrane (42) is disposed on the outside of the fiberglass plate (41).

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