Connecting structure for modular building

Abstract

The utility model relates to the technical field of fabricated buildings, in particular to a connecting structure for a modular building. The connecting structure comprises a first connector, a second connector and a connecting unit, the first end of the first connector can be connected to the end of a first connecting column, and the first end of the second connector can be connected to the end of a second connecting column; the second end of the first connector and the second end of the second connector are connected in an inserted mode and detachably connected through the connecting unit, then detachable connection between the first connecting column and the second connecting column is achieved, and remote reconstruction is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled buildings, in particular to a connection structure used for modular buildings. Background Art

[0002] The construction industry is transforming and upgrading towards a new type of building industrialization, and modular buildings with the highest degree of integration of prefabricated buildings are receiving more and more attention. With the increasing number of steel structure modular construction projects in my country, the existing high-rise modular building assembly method is to use grouting, welding and other connection methods between modules after the module units are installed. This assembly method has more on-site processes and is more difficult to construct. In addition, the assembled buildings cannot be disassembled and cannot be rebuilt in a different location. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a connection structure for modular buildings, which solves the technical problem that the connection structure cannot be disassembled after assembly and cannot be rebuilt in a different location.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0007] An embodiment of the utility model provides a connection structure for modular buildings, comprising a first connection head, a second connection head and a connection unit; the first end of the first connection head can be connected to the end of a first connection column, and the first end of the second connection head can be connected to the end of a second connection column; the second end of the first connection head and the second end of the second connection head are plugged into each other and are detachably connected through the connection unit.

[0008] Preferably, the second end of the first connector is provided with a through positioning hole, the second connector is a stepped structure, and the second end of the second connector is retracted to form a protrusion; the protrusion is plugged into the positioning hole and is detachably connected through the connecting unit.

[0009] Preferably, the connecting unit includes a connecting rod, an abutment, a first nut and a second nut; a connecting hole is vertically oriented and penetrated on the protrusion of the second connecting head, the first nut is fixedly connected to the second end of the second connecting head, and the first nut is coaxially arranged with the connecting hole; the connecting rod passes through the connecting hole, one end of the connecting rod is threadedly connected to the first nut, and the other end of the connecting rod is threadedly connected to the second nut located in the first connecting head; the abutment is sleeved on the connecting rod and is located between the second nut and the protrusion, and at least part of the abutment abuts against the inner bottom wall of the first connecting head.

[0010] Preferably, the abutment member is an inverted "concave" structure; the bottom end of the abutment member abuts against the inner bottom wall of the first connector.

[0011] Preferably, the connection unit further comprises a locking nut; the locking nut is threadedly connected to the connection rod, and one end of the locking nut abuts against the protrusion.

[0012] Preferably, the connecting rod includes a first threaded rod segment, a first polished rod segment, a second threaded rod segment, a second polished rod segment and a third threaded rod segment; the first nut is threadedly connected to the first threaded rod segment, the protrusion is sleeved on the first polished rod segment, the anti-loosening nut is threadedly connected to the second threaded rod segment, the abutment is sleeved on the second polished rod segment, and the second nut is threadedly connected to the third threaded rod segment.

[0013] Preferably, the first connector is a rectangular structure and an operating space is provided inside the first connector; a first through hole communicating with the operating space is provided on a side wall of the first connector.

[0014] Preferably, a second through hole communicating with the operating space is formed at the first end of the first connector.

[0015] Preferably, the first through hole is circular or rectangular.

[0016] Preferably, the first connecting column and the second connecting column have the same structure and are both square tubes.

[0017] (III) Beneficial effects

[0018] The beneficial effects of the utility model are:

[0019] The utility model discloses a connection structure for modular buildings, comprising a first connection head, a second connection head and a connection unit. Since the first end of the first connection head can be connected to the end of a first connection column, and the first end of the second connection head can be connected to the end of a second connection column; the second end of the first connection head and the second end of the second connection head are plugged into each other and detachably connected through the connection unit, thereby realizing a detachable connection between the first connection column and the second connection column, which is convenient for off-site reconstruction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A longitudinal cross-sectional view of the connecting structure in a first direction;

[0021] Figure 2 is a longitudinal cross-sectional view of the connecting structure in a second direction;

[0022] Figure 3 It is a structural schematic diagram of the connection structure being respectively arranged on the first connection rod and the second connection rod (the connection unit is not shown);

[0023] Figure 4 It is a schematic diagram of the structure of two sets of connecting columns.

[0024] [Description of Reference Numerals]

[0025] 1: first connector; 11: positioning hole; 12: first through hole; 13: second through hole;

[0026] 2: Second connector;

[0027] 3: connecting unit; 31: connecting rod; 32: abutment member; 33: first nut; 34: second nut; 35: anti-loosening nut;

[0028] 4: Connecting plate;

[0029] A: first connecting column;

[0030] B: Second connecting column. DETAILED DESCRIPTION

[0031] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0032] like Figure 1-Figure 3 As shown, this embodiment provides a connection structure for modular buildings, the connection structure includes a first connection head 1, a second connection head 2 and a connection unit 3, the first end of the first connection head 1 can be connected to the end of the first connection column A, the first end of the second connection head 2 can be connected to the end of the second connection column B, the second end of the first connection head 1 and the second end of the second connection head 2 are plugged into each other and detachably connected through the connection unit 3. In this way, a detachable connection between the first connection column A and the second connection column B is achieved, which is convenient for reconstruction in a different location. Among them, the first connection column A and the second connection column B have the same structure and are both square tubes. The first connection head 1 and the first connection column A, and the second connection head 2 and the second connection column B are all connected by welding.

[0033] like Figure 2As shown, the second end of the first connector 1 is provided with a through positioning hole 11, the second connector 2 is a stepped structure, the second end of the second connector 2 is retracted to form a protrusion, and the protrusion is plugged into the positioning hole 11 and can be detachably connected through the connecting unit 3. Specifically, the connecting unit 3 includes a connecting rod 31, an abutment 32, a first nut 33, a second nut 34 and a locking nut 35. The protrusion of the second connector 2 is vertically oriented to open a through connecting hole, the first nut 33 is fixedly connected to the second end of the second connector 2, and the first nut 33 is coaxially arranged with the connecting hole. The connecting rod 31 passes through the connecting hole, one end of the connecting rod 31 is threadedly connected to the first nut 33, and the other end of the connecting rod 31 is threadedly connected to the second nut 34 located in the first connector 1, the abutment 32 is sleeved on the connecting rod 31 and is located between the second nut 34 and the protrusion, and at least part of the abutment 32 abuts against the inner bottom wall of the first connector 1. The anti-loosening nut 35 is threadedly connected to the connecting rod 31, and one end of the anti-loosening nut 35 abuts against the protrusion to prevent the connecting rod 31 from falling when the abutment member 32 is installed, thereby improving the installation efficiency.

[0034] The abutment member 32 is an inverted "concave" structure, and the bottom end of the abutment member 32 abuts against the inner bottom wall of the first connector 1. The connecting rod 31 includes a first threaded rod segment, a first polished rod segment, a second threaded rod segment, a second polished rod segment, and a third threaded rod segment. The first nut 33 is threadedly connected to the first threaded rod segment, the protrusion is sleeved on the first polished rod segment, the anti-loosening nut 35 is threadedly connected to the second threaded rod segment, the abutment member 32 is sleeved on the second polished rod segment, and the second nut 34 is threadedly connected to the third threaded rod segment.

[0035] To facilitate the installation of the connection unit 3, the first connector 1 is a rectangular structure and an operation space is provided inside the first connector 1. A first through hole 12 communicating with the operation space is provided on the side wall of the first connector 1. According to actual needs, at least one of the four side walls may be provided with the first through hole 12, and the first through hole 12 may be circular or rectangular. To save the material of the first connector 1, a second through hole 13 communicating with the operation space is provided at the first end of the first connector 1.

[0036] like Figure 4 As shown, in order to facilitate the connection of two adjacent groups of connecting columns, a connecting plate 4 is provided between the second end of the first connecting head 1 and the second end of the second connecting head 2, wherein the connecting plate 4 transversely connects the two groups of connecting columns.

[0037] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0038] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0040] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0041] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A connection structure for modular buildings, characterized in that: It comprises a first connector (1), a second connector (2) and a connecting unit (3); The first end of the first connector (1) can be connected to the end of the first connecting column (A), and the first end of the second connector (2) can be connected to the end of the second connecting column (B); The second end of the first connector (1) and the second end of the second connector (2) are plugged into each other and are detachably connected via the connecting unit (3).

2. The connection structure for modular buildings according to claim 1, characterized in that: The second end of the first connector (1) is provided with a penetrating positioning hole (11); the second connector (2) is a stepped structure; the second end of the second connector (2) is retracted to form a protrusion; After the protrusion is plugged into the positioning hole (11), the protrusion is detachably connected via the connecting unit (3).

3. The connection structure for modular buildings according to claim 2, characterized in that: The connecting unit (3) comprises a connecting rod (31), an abutment member (32), a first nut (33) and a second nut (34); A connecting hole is vertically oriented and penetrated on the protrusion of the second connecting head (2); the first nut (33) is fixedly connected to the second end of the second connecting head (2); the first nut (33) is coaxially arranged with the connecting hole; The connecting rod (31) passes through the connecting hole, one end of the connecting rod (31) is threadedly connected to the first nut (33), and the other end of the connecting rod (31) is threadedly connected to the second nut (34) located in the first connecting head (1); The abutment member (32) is sleeved on the connecting rod (31) and is located between the second nut (34) and the protrusion, and at least a portion of the abutment member (32) abuts against the inner bottom wall of the first connecting head (1).

4. The connection structure for modular buildings according to claim 3, characterized in that: The abutment member (32) is an inverted "concave" structure; The bottom end of the abutment member (32) abuts against the inner bottom wall of the first connector (1).

5. The connection structure for modular buildings according to claim 3, characterized in that: The connecting unit (3) further comprises a locking nut (35); The anti-loosening nut (35) is threadedly connected to the connecting rod (31), and one end of the anti-loosening nut (35) abuts against the protrusion.

6. The connection structure for modular buildings according to claim 5, characterized in that: The connecting rod (31) comprises a first threaded rod segment, a first polished rod segment, a second threaded rod segment, a second polished rod segment and a third threaded rod segment; The first nut (33) is threadedly connected to the first threaded rod segment, the protrusion is sleeved on the first polished rod segment, the anti-loosening nut (35) is threadedly connected to the second threaded rod segment, the abutment (32) is sleeved on the second polished rod segment, and the second nut (34) is threadedly connected to the third threaded rod segment.

7. The connection structure for modular buildings according to claim 1, characterized in that: The first connector (1) is a rectangular structure and an operating space is provided inside the first connector (1); The side wall of the first connector (1) is provided with a first through hole (12) which is in communication with the operating space.

8. The connection structure for modular buildings according to claim 7, characterized in that: The first end of the first connector (1) is provided with a second through hole (13) communicating with the operating space.

9. The connection structure for modular buildings according to claim 7, characterized in that: The first through hole (12) is circular or rectangular.

10. The connection structure for modular buildings according to claim 1, characterized in that: The first connecting column (A) and the second connecting column (B) have the same structure and are both square tubes.

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