Fabricated building corner joint device and fabricated building

Abstract

The application discloses an assembled building corner piece device and an assembled building, and belongs to the technical field of building construction.The assembled building corner piece device comprises a first connecting piece, a first connecting surface at one end of the first connecting piece, a first limiting protrusion and a first limiting sliding groove arranged on the first connecting surface, a second connecting piece, a second connecting surface at one end of the second connecting piece, a second limiting sliding groove matched with the first limiting protrusion and a second limiting protrusion matched with the first limiting sliding groove arranged on the inclined surface of the second connecting surface, wherein the first connecting surface and the second connecting surface are in contact connection after assembly, a limiting adjusting unit is arranged in the first connecting piece, and the limiting adjusting unit passes through the inclined surface of the first connecting piece and enters the limiting groove arranged in the inclined surface of the second connecting piece. The application utilizes the structure of mutual staggered cooperation to improve the connecting force of the first connecting piece and the second connecting piece, enhances the structural strength of the whole corner piece device, and provides better assembly precision, so that the structural stability of the assembled building is improved.

Description

Technical Field

[0001] This invention relates to a prefabricated building technology, and more particularly to a prefabricated building corner fitting device and a prefabricated building. 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 (such as floor slabs, wall panels, stairs, balconies, etc.) are prefabricated in factories, transported to the construction site, and assembled on-site using reliable connection methods. Corner fittings are used in prefabricated construction to connect components and form the overall prefabricated building structure. Corner fittings in prefabricated buildings are usually connected by mutual cooperation. Corner fittings located on different building structures are connected together by mutual cooperation. However, in the existing technology, the mutual cooperation of corner fittings mostly adopts a single sliding groove limiting method. This structure has insufficient connection strength and does not meet the assembly accuracy requirements of the connection process in prefabricated buildings. Summary of the Invention

[0003] The purpose of this invention is to provide a prefabricated building corner fitting device and a prefabricated building to solve the technical problems in the prior art. It can enhance the overall structural strength of the corner fitting device, provide better assembly accuracy, and enhance the overall structural connection stability of the prefabricated building corner fitting device from other axes, thereby improving the structural stability of the prefabricated building using the prefabricated building corner fitting device. This invention provides a prefabricated building corner fitting device and a prefabricated building, comprising: A first connector, one end of which is a first connecting surface, and the first connecting surface is provided with a first limiting protrusion and a first limiting groove; The second connector has a second connecting surface at one end. The inclined surface of the second connecting surface is provided with a second limiting groove that matches the first limiting protrusion and a second limiting protrusion that matches the first limiting protrusion. The first connecting surface and the second connecting surface are connected in contact after assembly. The first connecting component and the second connecting component form a right-angle structure. The first connecting component is provided with a limiting adjustment unit inside. The limiting adjustment unit passes through the inclined surface of the first connecting component and enters the limiting groove provided on the inclined surface of the second connecting component. In the technical solution of this application embodiment, during the assembly process of the first connector and the second connector, the first limiting groove first passes through the limiting groove on the second connector, and simultaneously the second limiting groove passes through the limiting adjustment unit on the first connector. When the first limiting groove slides and engages with the second limiting protrusion, the first limiting protrusion also slides into the interior of the second limiting groove. The positions of the second limiting groove and the second limiting protrusion cooperate with the first limiting protrusion and the first limiting groove to complete the connection action between the first connector and the second connector. The limiting adjustment unit can be adjusted to enter the interior of the second connector from the first connector to complete the locking between the first connector and the second connector. Preferably, both the first connecting surface and the second connecting surface are inclined structures.

[0004] Preferably, the first limiting protrusion and the first limiting groove are staggered, and the positions of the second limiting groove and the second limiting protrusion correspond to the positions of the first limiting protrusion and the first limiting groove.

[0005] Preferably, the limiting adjustment unit is located inside the limiting chamber provided inside the first connecting member. The limiting chamber has an opening near the side wall of the first connecting surface that communicates with the outside. The limiting adjustment unit enters the limiting groove through the opening.

[0006] Preferably, the limit adjustment unit includes: A limiting slider, which slides within the opening; An annular seat, one end of which is connected to the end face of the limiting slider away from the first connecting surface; A spring, which is nested and fixed inside a ring-shaped seat; Back plate, which is elastically connected to an annular seat by a spring; An adjusting stud is fitted into a screw hole on the side wall of the first connector. The adjusting stud passes through the side wall, back plate, and spring of the first connector in sequence and contacts the inside of the annular seat.

[0007] Preferably, the structure of the limiting groove is adapted to that of the limiting slider.

[0008] Preferably, the first connector and the second connector are fixed to the wall or floor slab by expansion bolts.

[0009] Compared with the prior art, the present invention utilizes a structure with mutual misalignment to enhance the connection force between the first connector and the second connector, thereby strengthening the overall structural strength of the corner fitting device and providing better assembly accuracy. The limiting adjustment unit further locks the first connector and the second connector to prevent slippage, and enhances the overall structural connection stability of the prefabricated building corner fitting device by adding limiting in other axes, thereby improving the structural stability of the prefabricated building using the prefabricated building corner fitting device. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the first connector and the second connector of the present invention; Figure 3 This is a schematic diagram of the structure of the second connector of the present invention; Figure 4 This is a schematic diagram of the structure of the first connector of the present invention; Figure 5 This is a schematic diagram of the limit adjustment unit of the present invention; Figure 6 This is a schematic diagram of the structure of the annular seat, the first slide rail, and the second slide rail of the present invention.

[0011] Figure 7 This is a schematic diagram of the internal structure of the limit adjustment unit of the present invention in the first connecting member.

[0012] Figure 8 This is a schematic diagram of the structure of the first connector, the second connector, and the connecting rod of the present invention.

[0013] Explanation of reference numerals in the attached drawings: 10, first connecting piece; 11, first limiting protrusion; 12, first limiting groove; 13, opening; 20, second connecting piece; 21, second limiting protrusion; 22, second limiting groove; 23, limiting groove; 30, limiting adjustment unit; 31, limiting slider; 32, annular seat; 33, spring; 34, back plate; 35, adjusting stud; 50, slot. Detailed Implementation

[0014] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0015] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0016] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0017] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0018] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0019] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0020] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0021] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0022] like Figures 1-8 As shown, an embodiment of the present invention provides a prefabricated building corner fitting device, comprising: The first connector 10 has a beveled structure at one end, and a first limiting protrusion 11 and a first limiting groove 12 are provided on the beveled surface of the first connector 10. The second connector 20 has a beveled structure at one end. The beveled surface of the second connector 20 is provided with a second limiting groove 22 that is adapted to the first limiting protrusion 11 and a second limiting protrusion 21 that is adapted to the first limiting groove 12. Wherein, the inclined surfaces of the first connector 10 and the second connector 20 are connected in contact after assembly, the first connector 10 and the second connector 20 form a right angle structure, the first connector 10 is provided with a limit adjustment unit 30 inside, the limit adjustment unit 30 passes through the inclined surface of the first connector 10 and enters the limit groove 23 provided on the inclined surface of the second connector 20 to complete the limit. In the technical solution of this application embodiment, the number of the first limiting protrusion 11 and the first limiting groove 12 is at least three sets, and the first limiting protrusion 11 and the first limiting groove 12 are staggered. The number of the second limiting groove 22 is equal to the number of the second limiting protrusion 21. The position of the second limiting groove 22 corresponds to the position of the first limiting protrusion 11, and the position of the second limiting protrusion 21 corresponds to the position of the first limiting groove 12. During the assembly process of the first connecting member 10 and the second connecting member 20, the first limiting... The first limiting groove 12 first passes through the limiting groove 23 on the second connector 20, and simultaneously the second limiting groove 22 passes through the limiting adjustment unit 30 on the first connector 10. When the first limiting groove 12 slides and engages with the second limiting protrusion 21, the first limiting protrusion 11 also slides into the interior of the second limiting groove 22. The positions of the second limiting groove 22 and the second limiting protrusion 21 cooperate with the first limiting protrusion 11 and the first limiting groove 12 to complete the connection action between the first connector 10 and the second connector 20. In the technical solution of this application embodiment, the limiting adjustment unit 30 is disposed inside the first connecting member 10. The limiting adjustment unit 30 can be adjusted to enter the second connecting member 20 from the first connecting member 10 to complete the locking between the first connecting member 10 and the second connecting member 20. The first limiting protrusion 11, the first limiting groove 12, the second limiting protrusion 21 and the second limiting groove 22 are misaligned to complete the connection between the first connecting member 10 and the second connecting member 20. The connection force between the first connecting member 10 and the second connecting member 20 is improved by the mutually cooperating structure. The limiting adjustment unit 30 further locks the first connecting member 10 and the second connecting member 20 to prevent them from sliding, thus avoiding the situation where the first limiting protrusion 11, the first limiting groove 12, the second limiting protrusion 21 and the second limiting groove 22 slip. In the embodiments provided in this application, the limiting adjustment unit 30 is disposed within a limiting chamber provided inside the first connecting member 10, and the limiting adjustment unit 30 includes: Limiting slider 31, the limiting slider 31 slides on the opening 13 provided on the inclined surface of the first connecting member 10; The annular seat 32 has one end connected to the inclined end of the limiting slider 31 away from the first connecting member 10, and the other end of the annular seat 32 has an open structure. Spring 33, which is nested and fixed inside the annular seat 32; Back plate 34, the spring 33 elastically connects back plate 34 to annular seat 32; Adjusting stud 35 is fitted into a screw hole provided on the side wall of the first connector 10. The adjusting stud 35 passes through the side wall of the first connector 10, the back plate 34 and the spring 33 in sequence and contacts the inside of the annular seat 32. When the adjusting stud 35 rotates inward toward the first connector 10, the annular seat 32 slides and pushes the limiting slider 31 to protrude out of the inclined surface of the first connector 10. When the first connector 10 and the second connector 20 are assembled, the limiting slider 31 will enter the limiting groove 23 on the second connector 20. When the adjusting stud 35 rotates outward toward the first connector 10, the adjusting stud 35 reduces the feed displacement of the annular seat 32. The annular seat 32 will return to its original position under the action of the spring, and the limiting slider 31 protruding out of the inclined surface of the first connector 10 will retract into the first connector 10. In the technical solution of this application embodiment, the annular seat 32 is a circular ring structure, the spring 33 is nested inside the annular seat 32, and the diameter of the adjusting stud 35 is smaller than the inner diameter of the spring 33. The adjusting stud 35 is also nested inside the spring 33. The spring 33 elastically connects the back plate 34 and the annular seat 32 together. Under the push of the adjusting stud 35, the annular seat 32 will move along the screwing direction of the adjusting stud 35. When the adjusting stud 35 retracts, the back plate 34 and the spring 33 cooperate to pull the annular seat 32 back to its original position. In the embodiments provided in this application, the number of the limiting sliders 31 is at least one set, the limiting sliders 31, the first limiting protrusions 11 and the first limiting grooves 12 are staggered, the number of the limiting adjustment units 30 is equal to the number of the limiting grooves 23, and the positions of the limiting grooves 23 and the limiting sliders 31 correspond one-to-one. In the technical solution of this application embodiment, the limiting slider 31 includes, but is not limited to, a cross or a straight structure, and the limiting groove 23 is adapted to the structure of the limiting slider 31; the technical principle of the limiting groove 23 and the limiting slider 31 is implemented by existing technical means; In the embodiments provided in this application, different prefabricated building corner fittings are connected by connecting rods. The first connecting member and the second connecting member have slots 50 on their side walls. The connecting rods are used to connect different prefabricated building corner fittings by plugging them in. When different prefabricated building corner fittings are installed on walls or floors, the connecting rods share the weight of different prefabricated building corner fittings. In the technical solution of this application embodiment, the connection method between the connecting rod and the first connecting member and the second connecting member can be achieved by existing technical means; An embodiment of the present invention also provides a prefabricated building including a prefabricated building corner fitting device, the prefabricated building including walls and floors, the walls and floors being connected by the prefabricated building corner fitting device; In the technical solution of this application embodiment, the first connector 10 and the second connector 20 are provided with multiple sets of mounting holes. Through the mounting holes and expansion bolts, the first connector 10 and the second connector 20 are respectively fixed to the wall or floor slab. The prefabricated building corner fitting device completes the connection between walls or between walls and floors. The prefabricated building corner fitting device with high strength connection improves the connection between walls or between walls and floors. In the technical solution of this application embodiment, the expansion bolt is the prior art, and the mounting hole penetrates the first connector 10 or the second connector 20. The mounting hole is used to adapt the installation of the expansion bolt. The above description is only a preferred embodiment of the present invention. However, the present invention is not limited to the scope of implementation shown in the drawings. Any changes made in accordance with the concept of the present invention, or equivalent embodiments modified to have equivalent changes, shall be within the protection scope of the present invention as long as they do not exceed the spirit covered by the specification and drawings.

Claims

1. A prefabricated building corner fitting device, characterized in that, include: A first connector, one end of which is a first connecting surface, and the first connecting surface is provided with a first limiting protrusion and a first limiting groove; The second connector has a second connecting surface at one end. The inclined surface of the second connecting surface is provided with a second limiting groove that matches the first limiting protrusion and a second limiting protrusion that matches the first limiting protrusion. Wherein, the first connecting surface and the second connecting surface are connected in contact after assembly, the first connecting piece and the second connecting piece form a right angle structure, the first connecting piece is provided with a limit adjustment unit inside, and the limit adjustment unit passes through the inclined surface of the first connecting piece and enters the limit groove provided on the inclined surface of the second connecting piece; The limiting adjustment unit is located in the limiting chamber inside the first connector. The limiting chamber has an opening on the side wall near the first connecting surface that communicates with the outside. The limiting adjustment unit enters the limiting groove through the opening. The limit adjustment unit includes: A limiting slider, which slides within the opening; An annular seat, one end of which is connected to the end face of the limiting slider away from the first connecting surface; A spring, which is nested and fixed inside a ring-shaped seat; Back plate, which is elastically connected to an annular seat by a spring; An adjusting stud is fitted into a screw hole on the side wall of the first connector. The adjusting stud passes through the side wall, back plate, and spring of the first connector in sequence and contacts the inside of the annular seat.

2. The prefabricated building corner fitting device according to claim 1, characterized in that, Both the first connecting surface and the second connecting surface are inclined planes.

3. A prefabricated building corner fitting device according to claim 2, characterized in that, The first limiting protrusion and the first limiting groove are staggered, and the positions of the second limiting groove and the second limiting protrusion correspond to the positions of the first limiting protrusion and the first limiting groove.

4. A prefabricated building corner fitting device according to claim 3, characterized in that, The limiting groove and the limiting slider are structurally compatible.

5. A prefabricated building including the prefabricated building corner fitting device as described in claim 4, the prefabricated building including walls and floors, characterized in that, The walls and floors are connected by prefabricated building corner fittings.

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