A connecting structure and cold-formed steel modular building

Abstract

The utility model provides a kind of connecting structure and cold bending section steel module building, the connecting structure includes long beam and middle column, further include: positioning piece, one end is arranged in foundation, the other end is placed in the connecting space on long beam;Connecting piece, one end is connected with positioning piece;First fixed part, after passing through the fixed hole of middle column bottom, it is connected with connecting piece;And middle column and long beam are fixed by first fixed part;The cold bending section steel module building includes connecting structure;The connecting structure and cold bending section steel module building proposed in the utility model avoid the problem that middle column is pulled when being subjected to lateral force to long beam, so as to solve the deformation, shaking or even collapse risk of cold bending section steel module building due to weak connection between middle column and long beam, significantly enhance the stability and safety of the overall structure of cold bending section steel module building.

Description

Technical Field

[0001] This utility model relates to the field of cold-formed steel modular building technology, and in particular to a connection structure and a cold-formed steel modular building. Background Technology

[0002] In the process of industrialized building development, cold-formed steel modular construction, as a new construction method, has achieved high efficiency, standardization, and green construction by leveraging the advantages of factory prefabrication and on-site assembly. Cold-formed steel modular construction involves prefabricating functional units (such as residential and office modules) in a factory, integrating structural, decorative, and equipment systems, and then transporting them to the site for reliable assembly into a complete building. This construction mode places extremely high demands on the precision, reliability, and construction efficiency of component connections.

[0003] In cold-formed steel modular buildings, the connection between the central column and the foundation is one of the key aspects ensuring the overall structural stability of the building. In existing technologies, the central column is typically directly connected to the long beams on the foundation, providing support through the central column. However, in actual use, the central column needs to bear lateral forces. Because it is only connected to the long beams, these forces are transmitted to the long beams, causing them to be pulled by the central column. This can lead to deformation or swaying of the cold-formed steel modular building, and even collapse. Utility Model Content

[0004] The purpose of this utility model is to provide a connection structure and a cold-formed steel modular building, which can solve the above-mentioned technical problems.

[0005] This utility model provides a connection structure, including a long beam and a central column, and further including:

[0006] The positioning component has one end inserted into the foundation and the other end placed in the connection space on the long beam;

[0007] The connector, one end of which is connected to the positioning component;

[0008] The first fastener passes through the fixing hole at the bottom of the central column and connects to the connector; the central column is then fixed to the long beam via the first fastener.

[0009] As a further technical solution, it also includes:

[0010] Several second fasteners are installed on the long beam and pass through the bottom of the central column before connecting to the locking element.

[0011] As a further technical solution, there are two second fasteners, which are arranged opposite each other on the long beam. In the fixed state, they are respectively placed on both sides of the first fastener.

[0012] As a further technical solution, the long beam includes a first connecting plate and a second connecting plate, with a connecting space formed between the first connecting plate and the second connecting plate; one end of the positioning member passes through the first connecting plate and is placed in the foundation.

[0013] As a further technical solution, the connector is placed in the connection space after one end is connected to the positioning component.

[0014] As a further technical solution, one end of the connector is connected to the positioning component, and the other end has an operating gap with the second connecting plate.

[0015] Preferably, the positioning element is a chemical bolt.

[0016] As a further technical solution, the first fixing member is a fixing bolt. When the first fixing member is connected to the connecting member, the nut of the first fixing member contacts the long beam.

[0017] As a further technical solution, the connector is a joint nut.

[0018] This utility model also proposes a cold-formed steel modular building, including a connection structure.

[0019] The technical solution of this utility model, through the synergistic action of positioning components, connecting components, and the first fixing component, forms a reliable multi-node connection system between the central column, the foundation, and the long beam. Compared with the existing technology where the central column is only connected to the long beam, this structure significantly improves the lateral force resistance of the central column, effectively avoiding the problem of the central column transmitting tensile force to the long beam when bearing lateral force, thus preventing the long beam from being pulled. This solves the risk of deformation, swaying, and even collapse in cold-formed steel modular buildings caused by weak connections between the central column and the long beam, and significantly enhances the overall structural stability and safety of cold-formed steel modular buildings.

[0020] In addition, the design of one end of the positioning component passing through the foundation utilizes the strong load-bearing characteristics of the foundation to provide a stable force support point for the central column. This allows the lateral force on the central column to be effectively transferred to the foundation through the positioning component, further dispersing the force and ensuring the stability of the mechanical performance of the connection structure during long-term use. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of this utility model 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 this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of one embodiment of a connection structure according to the present invention;

[0023] Figure 2 This is a schematic diagram of another embodiment of the connection structure of this utility model;

[0024] Figure 3 This is a schematic diagram of another embodiment of the connection structure of this utility model.

[0025] Explanation of reference numerals in the attached figures:

[0026] 101-Long beam; 111-First connecting plate; 112-Second connecting plate; 102-Central column; 103-Foundation; 200-Positioning component; 300-Operating clearance; 400-Connecting component; 500-First fixing component; 601-Second fixing component; 602-Locking component; 700-Gasket. Detailed Implementation

[0027] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation of this utility model.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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 connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] like Figure 1 As shown, the present invention proposes a connection structure including a long beam 101 and a central column 102, wherein the long beam 101 is connected to the foundation 103 and supports the central column 102; it also includes:

[0031] One end of the positioning component 200 is inserted into the foundation 103 (e.g., concrete), and the other end is placed in the connection space on the long beam 101. Specifically, one end of the positioning component 200 is pre-embedded in the foundation 103, and the other end passes through the long beam 101 and is placed in the connection space in the middle of the long beam 101. One end of the connecting component 400 is connected to the positioning component 200. After the connecting component 400 is fixed to the positioning component 200, it is also placed in the connection space, thereby reducing the probability of external impact to the positioning component 200 and the connecting component 400. The first fixing component 500 passes through the central column 1. The bottom fixing hole 02 is connected to the connector 400; and the middle column 102 and the long beam 101 are fixed by the first fixing member 500. When the middle column 102 is installed, the installation position of the middle column 102 and the long beam 101 can be quickly determined by the alignment of the connector 400 and the fixing hole. After the installation position is determined, the first fixing member 500 passes through the fixing hole and the long beam 101 in sequence and is connected to the connector 400. When the first fixing member 500 is locked to the connector, the installation of the middle column 102 and the long beam 101 is completed.

[0032] In this invention, the positioning component 200 is a chemical bolt (M20×260, grade 8.8, with an embedment depth ≥100mm); one end of the chemical bolt is pre-embedded in the foundation 103; the first fixing component 500 is a fixing bolt, and when the first fixing component 500 is connected to the connecting component 400, the nut of the first fixing component 500 contacts the long beam 101; the connecting component 400 is a connector nut; specifically, one end of the chemical bolt is threadedly connected to the connector nut, and the other end of the bolt is threadedly connected to the connector nut; after connection, the middle column 102 and the long beam 101 are installed through the cooperation of the chemical bolt, connector nut, and fixing bolt; and during use, the force on the middle column 102 can be transmitted to the foundation 103 through the fixing bolt, connector nut, and chemical bolt, thereby improving the stability of the middle column 102.

[0033] The technical solution of this utility model, through the synergistic action of the positioning component 200, the connecting component 400, and the first fixing component 500, forms a reliable multi-node connection system between the central column 102, the foundation 103, and the long beam 101. Compared with the prior art where the central column 102 is only connected to the long beam 101, this structure significantly improves the lateral force resistance of the central column 102 (e.g., under a lateral load of 5kN, the central column 102 will displace), effectively avoiding the problem of the central column 102 transmitting tensile force to the long beam 101 when bearing lateral force, thus preventing the long beam 101 from being pulled. This solves the risk of deformation, swaying, or even collapse in cold-formed steel modular buildings caused by the weak connection between the central column 102 and the long beam 101, and significantly enhances the overall stability and safety of the cold-formed steel modular building structure.

[0034] In addition, the design of one end of the positioning component 200 passing through the foundation 103 utilizes the strong load-bearing characteristics of the foundation 103 to provide a stable force support point for the central column 102, so that the lateral force on the central column 102 can be effectively transferred to the foundation 103 through the positioning component 200, further dispersing the force and ensuring the mechanical performance stability of the connection structure in long-term use.

[0035] like Figure 2 As shown, in another embodiment of this utility model, a plurality of second fixing members 601 are also provided. These second fixing members 601 are disposed on the long beam 101 and pass through the bottom of the middle column 102 before connecting with the locking member 602. By providing a plurality of second fixing members 601 between the bottom of the long beam 101 and the middle column 102, the stability of the connection between the middle column 102 and the long beam 101 can be increased, preventing the middle column 102 from rotating on the long beam 101. Of course, the number of second fixing members 601 is selected according to the actual situation. In this utility model, the preferred second fixing members 601 are: Two second fixing members 601 are respectively positioned on both sides of the first fixing member 500, and are fixed in the same state. The position of the middle column 102 can be indicated by the two second fixing members 601, which increases the connection strength between the middle column 102 and the long beam 101 and prevents the middle column 102 from rotating. It should be noted that there are two second fixing members 601, and two locking members 602 need to be set to cooperate with the first fixing member 500. Preferably, the second fixing members 601 and the locking members 602 are threadedly connected, with the second fixing members 601 being bolts and the locking members 602 being nuts.

[0036] like Figure 3As shown, in another embodiment of the present invention, to increase the clamping force of the second fixing member 601 on the bottom of the central column 102, a gasket 700 is preferably provided. One end of the second fixing member 601 passes through the long beam 101, the bottom of the central column 102 and the gasket 700 in sequence and is then connected to the locking member 602. When two second fixing members 601 are used, the locking force between the second fixing member 601 and the locking member 602 can be applied to the gasket 700, thereby improving the connection strength between the central column 102 and the long beam 101. It should be noted that when the gasket 700 is used, the first fixing member 500 also needs to pass through the gasket 700, the bottom of the central column 102 and the long beam 101 in sequence and be connected to the connecting member 400.

[0037] like Figure 1-3 As shown, the long beam 101 includes a first connecting plate 111 and a second connecting plate 112, forming a connection space between the first connecting plate 111 and the second connecting plate 112; one end of the positioning member 200 passes through the first connecting plate 111 and is placed inside the foundation 103; due to the existence of the connection space, it is convenient to operate the components; wherein, the connector 400 is placed inside the connection space after being connected to one end of the positioning member 200; specifically, after the connector 400 and the positioning member 200 come into contact, they can be connected by operating within the connection space using tools (wrench, etc.);

[0038] Furthermore, one end of the connector 400 is connected to the positioning member 200, and the other end has an operating gap 300 with the second connecting plate 112. Specifically, when connecting the first fixing member 500 and the connector 400, the operating gap 300 allows observation of the first fixing member 500, the connector 400, and the positioning member 200, providing a clear understanding of the status of each component during installation. On the other hand, when the connector 400 is connected to the first fixing member 500, the first fixing member 500, the connector 400, and the positioning member 200 will undergo slight deformation. Due to the existence of the operating gap 300, this deformation is prevented from being completely deformed. After deformation, it contacts the long beam 101, and the operating gap 300 can avoid deformation interference and improve the connection strength between the first fixing member 500 and the connecting member 400. The operating gap 300 is between 3-8mm. On the one hand, the minimum gap of 3mm can meet the operating space requirements of a 19mm wrench and ensure the tightening operation of the connecting member 400 and the positioning member 200. On the other hand, the maximum gap of 8mm can prevent the first fixing member 500 from colliding with the second connecting plate 112 when it is deformed by lateral force. At the same time, the air buffer in the gap reduces vibration transmission and further improves the structural stability.

[0039] This utility model also proposes a cold-formed steel modular building, including a connection structure. The prefabricated unit modules (using existing technology) in the cold-formed steel modular building include several central columns 102 and long beams 101. The central columns 102 and long beams 101 are connected by a connection structure to ensure the stability of the connection between the central columns 102 and long beams 101, and to transfer the force on the central columns 102 to the foundation 103, thereby improving the overall stability of the cold-formed steel modular building.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A connecting structure comprising a long beam (101) and a central column (102), characterized in that, Also includes: The positioning component (200) has one end inserted into the foundation (103) and the other end placed in the connection space on the long beam (101); A connector (400) is connected at one end to the positioning member (200); The first fixing member (500) passes through the fixing hole at the bottom of the central column (102) and is connected to the connector (400); the central column (102) and the long beam (101) are fixed by the first fixing member (500).

2. The connection structure according to claim 1, characterized in that, Also includes: Several second fasteners (601) are disposed on the long beam (101); It passes through the bottom of the central column (102) and connects to the locking member (602).

3. The connection structure according to claim 2, characterized in that, There are two second fasteners (601), which are arranged opposite to each other on the long beam (101). In the fixed state, they are respectively placed on both sides of the first fastener (500).

4. The connection structure according to claim 1, characterized in that, The long beam (101) includes a first connecting plate (111) and a second connecting plate (112), and a connecting space is formed between the first connecting plate (111) and the second connecting plate (112); one end of the positioning member (200) passes through the first connecting plate (111) and is placed in the foundation (103).

5. The connection structure according to claim 4, characterized in that, The connector (400) is placed in the connection space after being connected to one end of the positioning member (200).

6. The connection structure according to claim 5, characterized in that, One end of the connector (400) is connected to the positioning member (200), and the other end has an operating gap (300) with the second connecting plate (112).

7. The connection structure according to claim 1, characterized in that, The positioning element (200) is a chemical bolt.

8. The connection structure according to claim 1, characterized in that, The first fixing member (500) is a fixing bolt. When the first fixing member (500) is connected to the connecting member (400), the nut of the first fixing member (500) contacts the long beam (101).

9. The connection structure according to claim 1, characterized in that, The connector (400) is a joint nut.

10. A cold-formed steel modular building, characterized in that, Includes the connection structure as described in any one of claims 1-9.

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