Light steel building connecting structure
Through the combined connection of tenon-shaped steel components and mortise-shaped steel components, combined with welding and bolt connections, the problems of complex construction and poor modular combination performance in existing prefabricated steel structures are solved, and the convenient disassembly and assembly and waterproof and airtightness of lightweight modular buildings are achieved.
Patent Information
- Application Number
- CN202423002868.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-05
AI Technical Summary
The existing prefabricated steel structure connection method mainly relies on welding, which is complex to construct, the quality is greatly affected by human factors, the seismic performance is limited, and the mortise and tenon connection is inconvenient to disassemble. The modular combination performance is poor, which makes it difficult to meet the needs of lightweight modular buildings.
It adopts matching connection of tenon-shaped steel components and mortise-shaped steel components, combined with welding and bolt connection, uses polyurethane foam waterproof strips to enhance airtightness, and allows reversible disassembly and assembly of components, which is suitable for the connection of wall and roof panels.
It realizes the convenient disassembly and assembly and waterproof and airtightness of modular buildings, improves construction efficiency, enhances the reversibility and seismic performance of buildings, and meets the requirements of lightweight modular buildings.
Smart Images

Figure CN223446388U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to building engineering technical field relates to a light steel building connecting structure. BACKGROUND
[0002] Steel structure beam column mortise and tenon type connection refers to the mortise and tenon connection installation can quickly together with the structure of steel structure beam column assembly. Prefabricated building has the advantages such as environmental protection, construction speed is fast, becomes one of important directions of future building development, and the more reasonable steel structure beam column connecting form is studied, and it is a key point of current prefabricated steel structure technology research.
[0003] However, the prior art only considers how to connect the steel member more tightly, and rarely considers the disassembly and recombination of the building component modularization. In the prefabricated steel structure of the prior art, the beam-column joint is mainly connected by welding, and the torque or shear force between the beam and column is transmitted by the weld. This kind of joint welding quality requirement is high, construction is complex, welding quality is greatly influenced by human factors, residual stress of weld and surrounding of weld is large, seismic performance is greatly influenced by weld, and at the same time, because the beam does not penetrate the column, the size of the auxiliary node force transmission reinforcing ring is large. Other mortise and tenon connection methods have mortise and tenon connection between wallboards, and some only consider the firmness of the connection between the load-bearing column components. When disassembled, other components also need to be removed, or the overall structure has poor changeability and is inconvenient.
[0004] Therefore, a modular combination performance good, disassembly convenient connecting structure is needed to solve the above technical problems. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical scheme that the technical problem is adopted: a light steel building connecting structure, it includes: tenon steel member, mortise steel member, tenon steel member, mortise steel member are all square tubular, the one side pipe lateral wall of tenon steel member is equipped with the tenon that protrudes to the pipe outside along the pipe length direction, the one side pipe lateral wall of mortise steel member is equipped with the mortise groove that recesses towards the pipe along the pipe length direction is arranged, tenon and mortise groove shape match, same position;
[0006] The steel structure mortise and tenon connecting structure system further includes: a wall steel structure connecting subsystem, a roof joint steel structure connecting subsystem;
[0007] The wall steel structure subsystem is formed by splicing double-layer vertically arranged tenon-shaped steel members and or mortise-shaped steel members arranged along the width direction of the wall body, the wall steel structure subsystem is formed by welding a first mortise-shaped steel and a second mortise-shaped steel side by side so that the mortise grooves of the two mortise-shaped steels face the same side, the opposite pipe side walls of the mortise grooves of the first mortise-shaped steel and the second mortise-shaped steel are welded and connected with a stand or a wall body, the two mortise grooves of the first mortise-shaped steel and the second mortise-shaped steel are tenon-and-mortise connected with two tenon heads of a first tenon-shaped steel and a second tenon-shaped steel, the first tenon-shaped steel and the second tenon-shaped steel are welded and connected, the opposite pipe side walls of the tenon heads of the first tenon-shaped steel and the second tenon-shaped steel are welded and connected with a third mortise-shaped steel and a third tenon-shaped steel, the third mortise-shaped steel and the third tenon-shaped steel are tenon-and-mortise connected with each other, and the pipe side walls, away from the first mortise-shaped steel, of the third mortise-shaped steel and the third tenon-shaped steel are welded and connected with the wall body; or the two opposite side walls of the third mortise-shaped steel, the third tenon-shaped steel, the first tenon-shaped steel and the second tenon-shaped steel are welded and connected with the wall body.
[0008] The roof joint steel structure connecting subsystem comprises a roof panel and connecting pieces, the roof panel is formed by butt joint of C-shaped steels arranged back to back, the connecting pieces are made of angle steels, the connecting pieces are provided with two pieces, the connecting pieces are arranged on the upper surfaces of the two sides of the butt joint of the C-shaped steels of the roof panel, the bottom edges of the angle steels of the connecting pieces are bolted with the upper surfaces of the two sides of the roof panel respectively, the side edges of the angle steels of the connecting pieces are bolted or air-nail connected with each other, the two sides of the connecting pieces are respectively provided with a fourth mortise-shaped steel and a fourth tenon-shaped steel tenon-and-mortise connected in the vertical direction and a fifth mortise-shaped steel and a fifth tenon-shaped steel tenon-and-mortise connected in the vertical direction, the bottom surfaces of the fourth mortise-shaped steel and the fourth tenon-shaped steel tenon-and-mortise connected with the connecting pieces and the bottom surfaces of the fifth mortise-shaped steel and the fifth tenon-shaped steel tenon-and-mortise connected with the connecting pieces are welded and connected with the upper surfaces of the roof panel respectively, the side surfaces of the fourth mortise-shaped steel and the fourth tenon-shaped steel tenon-and-mortise connected with the connecting pieces and the side surfaces of the fifth mortise-shaped steel and the fifth tenon-shaped steel tenon-and-mortise connected with the connecting pieces are welded and connected with the two sides of the rectangular pipe respectively, and the bottom surface of the rectangular pipe is welded and connected with the top surface of the connecting piece.
[0009] Preferably, the tenon-shaped steel member and the mortise-shaped steel member are square tubes.
[0010] More preferably, the tenon-shaped steel member and the mortise-shaped steel member are provided with a reserved through hole on the adjacent pipe side wall of one side of the tenon head or the mortise groove.
[0011] More preferably, the reserved through holes are uniformly arranged along the pipe length direction.
[0012] Preferably, the rectangular pipe is filled with polyurethane thermal insulation material.
[0013] Preferably, a polyurethane foaming waterproof adhesive strip is arranged between the tenon head and the mortise groove of the tenon-and-mortise connection of the tenon-shaped steel member and the mortise-shaped steel member.
[0014] Preferably, the shapes of the tenon head and the mortise groove include square, triangle and trapezoid.
[0015] The beneficial effects of the utility model are as follows:
[0016] The utility model satisfies the requirement of modularization building in building construction, the utility model building is strong in integrity, can be disassembled reversibly, convenient to use, the utility model adds foamed waterproof rubber strip in the mouth between connecting component, to solve the problem of the existing technology mortise and tenon type connection airtightness, waterproof air tightness effect is good, construction is convenient, reversibility is good, convenient for later functional replacement, structure changes, more fit the requirement of light modularization building. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a wall steel structure connecting exploded view of a light steel building connecting structure of the utility model;
[0018] Figure 2 It is a wall steel structure connecting combination view of the utility model;
[0019] Figure 3 It is a roof joint connecting structure view of the utility model;
[0020] Figure 4 It is a wall module exploded view of the utility model;
[0021] Figure 5 It is a wall module combination view of the utility model;
[0022] Figure 6 It is a standard module frame view of the utility model;
[0023] Figure 7 It is a corner connecting node view of the utility model.
[0024] Wherein, 1, the tenon-shaped steel component;2, the mortise-shaped steel component;3, the first mortise-shaped steel;4, the second mortise-shaped steel;5, the first tenon-shaped steel;6, the second tenon-shaped steel;7, the third mortise-shaped steel;8, the third tenon-shaped steel;9, the roof panel;10, the connecting piece;11, the fourth mortise-shaped steel;12, the fourth tenon-shaped steel;13, the fifth mortise-shaped steel;14, the fifth tenon-shaped steel;15, the rectangle pipe;16, the reserved through hole. DETAILED DESCRIPTION
[0025] The related technologies in the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0026] As Figures 1-7 The utility model discloses a light steel building connecting structure, and the specific implementation is that the steel column is mortise and tenon jointed, as Figure 1In the middle, the first mortise steel 3, the second mortise steel 4 are welded, the third mortise steel 7, the third tenon steel 8 are mortise and tenon jointed.The first tenon steel 5, the second tenon steel 6 are welded, the first tenon steel 5, the first mortise steel 3 are mortise and tenon jointed, the second tenon steel 6, the second mortise steel 4 are mortise and tenon jointed.
[0027] Figure 3 In the middle, the long rectangular tube 15 is filled with polyurethane heat preservation material, the fourth mortise steel 11 and the fourth tenon steel 12 are mortise and tenon jointed to form a steel member, and the fifth mortise steel 13 and the fifth tenon steel 14 are mortise and tenon jointed to form a steel member.The connecting piece 10 is an angle steel, and the connecting piece 10 connects two roof panels 9 by using bolts, and the joint of the roof panels 9 is a C-shaped steel connected back to back.In use, the fourth mortise steel 11 and the fourth tenon steel 12 and the fifth mortise steel 13 and the fifth tenon steel 14 of the mortise and tenon part are spliced respectively, and the gas nail is used at the reserved through hole 16, and the polyurethane foaming waterproof rubber strip is used in the joint groove to solve the waterproof and airtightness problem between the modular steel structure members.
[0028] The beam-column mortise and tenon joint mode of the fabricated steel structure, the surface of the steel structure column is provided with a joint mortise and tenon structure, the connection mode of the joint mortise and tenon structure is different, the existing technology uses a wing plate, a fastening screw is screwed in the recessed groove, and the waterproof and airtightness is insufficient by the fastening screw in the recessed groove.The foaming waterproof rubber strip is used in the embodiment, and the gas nail is fixed, so that the waterproof and airtightness effect is enhanced.Meanwhile, the structure support is separated from the wallboard, the wallboard can be replaced in the future, and new space is formed by rearrangement, including the connection mode of the fabricated wall and the wall, the connection mode of the column and the beam in the wall, the connection mode of the roof panel, and the connection mode of the closed structure.
[0029] In summary, the utility model satisfies the requirement of modular building in building construction, the building has high integrity, is reversibly disassembled and assembled, is convenient, and the foaming waterproof rubber strip is added in the joint between the connecting members to solve the waterproof and airtightness problem between the modules, so that the utility model has better waterproof and airtightness effect, is convenient for construction, has good reversibility, is convenient for functional replacement in the later period, structure change, and is more suitable for the requirement of light modular building.
[0030] It should be emphasized that: the above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the scope of the technical scheme of the utility model.
Claims
1. A light steel building connection structure, characterized in that: include: A tenon-shaped steel component (1) and a mortise-shaped steel component (2), wherein the tenon-shaped steel component (1) and the mortise-shaped steel component (2) are both square tube-shaped, a tenon protruding outwardly from the tube is provided on one side wall of the tube along the tube length direction, and a mortise recessed inwardly from the tube is provided on one side wall of the tube along the tube length direction, the tenon and the mortise matching in shape and having the same position; The steel structure mortise and tenon connection structure system also includes: a wall steel structure connection subsystem and a roof seam steel structure connection subsystem; The wall steel structure subsystem is formed by splicing double-layer vertically arranged tenon steel members (1) and / or mortise steel members (2) arranged along the width direction of the wall. The wall steel structure subsystem adopts a first mortise steel (3) and a second mortise steel (4) welded side by side so that the two mortises face the same side. The opposite tube side walls of the mortises of the first mortise steel (3) and the second mortise steel (4) are welded to connect the column or the wall. The two mortises of the first mortise steel (3) and the second mortise steel (4) are connected by mortise and tenon to the two tenons of the first mortise steel (5) and the second mortise steel (6). The first mortise steel (5) and the second tenon steel (6) are welded and connected, the opposite tube side walls of the tenons of the first tenon steel (5) and the second tenon steel (6) are welded and connected to the third tenon steel (7) and the third tenon steel (8), the third tenon steel (7) and the third tenon steel (8) are mortise-tenon connected to each other, and the tube side walls of the third tenon steel (7) and the third tenon steel (8) away from the first tenon steel (3) are welded and connected to the wall; or the two opposite side walls of the third tenon steel (7), the third tenon steel (8), the first tenon steel (5) and the second tenon steel (6) are welded and connected to the wall; The roof seam steel structure connection subsystem includes a roof panel (9) and a connector (10), wherein the roof panel (9) is formed by butting C-shaped steels arranged back to back, and the connector (10) is made of angle steel. The connector (10) is provided with two pieces, and the connectors (10) are respectively provided on the upper surfaces of both sides of the butt joint of the C-shaped steel of the roof panel (9). The bottom edges of the angle steel of the connector (10) are respectively bolted to the upper surfaces of the roof panels (9) on both sides, and the angle steel sides of the connector (10) are bolted or air nailed to each other, and the two sides of the connector (10) are respectively provided with fourth mortise-and-tenon steels (11) connected along the vertical direction. The fourth mortise steel (12), the fifth mortise steel (13) and the fifth mortise steel (14) connected by mortise and tenon in the vertical direction, the bottom surface of the mortise and tenon connection parts of the fourth mortise steel (11) and the fourth mortise steel (12), and the bottom surface of the mortise and tenon connection parts of the fifth mortise steel (13) and the fifth mortise steel (14) are respectively welded to the upper surface of the roof panel (9), the side surfaces of the mortise and tenon connection parts of the fourth mortise steel (11) and the fourth mortise steel (12), and the side surfaces of the mortise and tenon connection parts of the fifth mortise steel (13) and the fifth mortise steel (14) are respectively welded to both sides of the rectangular tube (15), and the bottom surface of the rectangular tube (15) is welded to the top surface of the connection part (10).
2. A light steel building connection structure according to claim 1, characterized in that: The tenon-shaped steel component (1) and the mortise-shaped steel component (2) are both in a square tubular shape.
3. A light steel building connection structure according to claim 2, characterized in that: The tenon-shaped steel component (1) and the mortise-shaped steel component (2) are provided with a reserved through hole (16) on the adjacent tube side wall on one side where the tenon or mortise is provided.
4. A light steel building connection structure according to claim 3, characterized in that: The reserved through holes (16) are evenly distributed along the length of the tube.
5. The light steel building connection structure according to claim 1, characterized in that: The rectangular tube (15) is filled with polyurethane heat-insulating material.
6. The light steel building connection structure according to claim 1, characterized in that: A polyurethane foam waterproof adhesive strip is provided between the tenon and mortise at the tenon-tenon connection between the tenon-shaped steel component (1) and the mortise-shaped steel component (2).
7. The light steel building connection structure according to claim 1, characterized in that: The shapes of the tenon and mortise include: square, triangle, and trapezoid.