Connecting and reinforcing device for butt joint of square pipes

Abstract

The utility model relates to a connection reinforcing device for square tube butt joint, which belongs to the field of building structures and comprises an inner core component, an outer protective component and a connecting component, the inner core component is positioned at the butt joint of two adjacent butt-joint square tubes, one end of the inner core component is arranged inside one square tube, and the other end of the inner core component is arranged inside the other square tube. The outer protection assembly is installed on the periphery of the butt joint position of the two square pipes, corresponds to the inner core assembly and surrounds the inner core assembly. The outer protection assembly, the inner core assembly and the two square pipes which are in butt joint are connected together through the connecting assembly. The connecting strength and the stability of the square tube structure are improved, the installation process is simplified, and the durability and the safety of the structure are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of connecting reinforcement devices for square tube butt joint, belong to building structure field. BACKGROUND

[0002] In modern construction field, square tube structure becomes the preferred material of support and frame system due to its excellent physical properties and processing convenience. Square tube is widely used in high-rise buildings, bridges, industrial plants and other engineering projects due to its high strength, light weight and easy processing characteristics. They not only can withstand large load, but also can reduce the amount of material used while ensuring structural stability, thereby reducing construction cost.

[0003] However, despite the many advantages of square tube structure in construction, traditional connection methods have some defects. In the butt joint of square tube, if only bolt fastening is used, the stability of the entire structure may be damaged due to the deformation of the clamping piece. Clamping piece deformation is usually due to uneven or excessive fastening force, causing the clamping piece at the connection to bend or twist, which not only affects the appearance of the structure, but more importantly, weakens the overall load-carrying capacity of the structure, increasing the safety risk. SUMMARY

[0004] To overcome the defects of the prior art, the utility model provides a kind of connecting reinforcement devices for square tube butt joint, the technical scheme of the utility model is:

[0005] A connecting reinforcement device for square tube butt joint, comprising an inner core assembly, an outer protective assembly and a connecting assembly. The inner core assembly is located at the butt joint of two adjacent square tubes. One end of the inner core assembly is inserted into the interior of one square tube, and the other end is inserted into the interior of the other square tube. An outer protective assembly is installed around the butt joint of the two square tubes. The outer protective assembly corresponds to the inner core assembly and surrounds the inner core assembly. The outer protective assembly, the inner core assembly and the two butt jointed square tubes are connected together by the connecting assembly.

[0006] The inner core assembly includes an inner sleeve with a C-shaped cross section. Corresponding inner sleeve threaded holes are provided on the two opposite side plates of the inner sleeve.

[0007] The outer protective assembly includes an outer sleeve with a C-shaped cross section. Corresponding outer sleeve threaded holes are provided on the two opposite side plates of the outer sleeve. Square tube threaded holes corresponding to the inner sleeve threaded holes and the outer sleeve threaded holes are provided on the square tube.

[0008] The connecting assembly includes a connecting screw and a nut, when the corresponding inner sleeve threaded hole, outer sleeve threaded hole and square tube threaded hole are aligned, the connecting screw is installed with the nut after penetrating the outer sleeve, square tube and inner sleeve, the connecting screw penetrates the inner sleeve threaded hole, outer sleeve threaded hole and square tube threaded hole.

[0009] A plurality of clamping screws are also installed on the side plate of the outer sleeve, all the clamping screws are evenly arranged on the side plate, and the clamping screws are arranged perpendicularly to the connecting screw.

[0010] A track is installed on one side of the square tube, the track is arranged along the vertical direction of the square tube, and the notches of the inner sleeve and the outer sleeve face the track.

[0011] A curled edge is arranged on the side plate close to the notch of the inner sleeve.

[0012] The utility model discloses the advantages are:

[0013] Enhance the connecting strength: through the combination of inner core assembly and outer protection assembly, the connecting strength of square tube butt joint is significantly improved.

[0014] Structural stability: the use of connecting assembly, especially the cooperation of connecting screw and nut, ensures the stability of square tube butt joint. This threaded connection mode can evenly distribute the fastening force, reduce local stress concentration, and improve the stability of the overall structure.

[0015] Easy to install: simplify the installation process, once the square tube is in place, the connecting screw and the nut can be quickly installed, improving the construction efficiency.

[0016] Adjustability: the design of the clamping screw can fine-tune the tightness of the connection after installation, ensuring the sealing and stability of the connection.

[0017] The utility model not only improves the connecting strength and stability of the square tube structure, but also simplifies the installation process, increases the durability and safety of the structure. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Is the main structure schematic diagram of the square tube, inner core assembly and outer protection assembly of the first embodiment of the utility model before assembly.

[0019] Figure 2 Is Figure 1 The structure schematic diagram after assembly.

[0020] Figure 3 Is Figure 1 The sectional view of

[0021] Figure 4 Is Figure 1Structure diagram of the inner sleeve of the present application.

[0022] Figure 5 Structure diagram of the outer sleeve of the present application. Figure 1 Structure diagram of the outer sleeve of the present application.

[0023] Figure 6 Structure diagram of the second embodiment of the present application.

[0024] Figure 7 Structure diagram of the second embodiment of the present application. Figure 6 Structure diagram of the second embodiment of the present application. DETAILED DESCRIPTION

[0025] The advantages and features of the present application will become more apparent with the description of specific embodiments. However, these embodiments are only exemplary and do not constitute any limitation on the scope of the present application. Those skilled in the art should understand that the details and forms of the technical solutions of the present application can be modified or replaced without departing from the spirit and scope of the present application, and such modifications and replacements all fall within the protection scope of the present application.

[0026] Referring to Figures 1 to 7 The present application relates to a connecting and reinforcing device for square pipe butt joint, comprising an inner core assembly 2, an outer protective assembly 1 and a connecting assembly. The inner core assembly 2 is located at the butt joint of two adjacent square pipes 3. One end of the inner core assembly 2 is inserted into the interior of one square pipe 3, and the other end is inserted into the interior of the other square pipe 3. The outer protective assembly 1 is installed around the butt joint of the two square pipes 3. The outer protective assembly 1 corresponds to the inner core assembly 2 and encloses the inner core assembly 2. The outer protective assembly 1, the inner core assembly 2 and the two butt jointed square pipes 3 are connected together through the connecting assembly.

[0027] Based on the above-mentioned arrangement, the following advantages are achieved:

[0028] Enhanced structural strength: The double C-shaped design of the inner core assembly and the outer protective assembly provides additional support, significantly enhancing the structural strength and stability of the square pipe butt joint.

[0029] Improved connection reliability: The use of connecting screws and nuts in the connecting assembly ensures a secure connection between the square pipes, reducing the safety hazards caused by unstable connections.

[0030] The inner core assembly comprises an inner sleeve 21, which is C-shaped in cross-section. Two side plates are arranged on opposite sides of the inner sleeve 21, and the side plates are provided with inner sleeve 21 threaded holes corresponding to each other.

[0031] The outer protection assembly 1 includes an outer sleeve 12, which is C-shaped in cross section as a whole, and has corresponding outer sleeve threaded holes 11 on the two opposite side plates (first side plate and second side plate).

[0032] The connecting assembly includes a connecting screw 5 and a nut 6, which are installed after the corresponding inner sleeve threaded hole, outer sleeve threaded hole 11 and square tube threaded hole are aligned.

[0033] By ensuring the accurate alignment of the inner sleeve threaded hole, outer sleeve threaded hole and square tube threaded hole, the smooth installation of the connecting screw can be ensured, thereby realizing stable connection.

[0034] The use of connecting screw and nut provides a reliable fastening method, which can uniformly distribute the force, reduce local stress concentration and enhance the stability of the whole structure.

[0035] The design of threaded connection makes the installation and disassembly of connecting screw and nut simple and fast, facilitating construction and later maintenance.

[0036] The setting of threaded connection realizes the fine adjustment of the tightness of the connection after installation to adapt to different installation conditions or make necessary adjustments.

[0037] A plurality of tightening screws 7 are also installed on the side plate (third side plate 13) of the outer sleeve 12, and all the tightening screws are evenly arranged on the side plate, and the tightening screws are arranged perpendicularly to the connecting screw.

[0038] A track 4 is installed on one side of the square tube, which is arranged along the vertical direction of the square tube, and the gap of the inner sleeve 21 and the outer sleeve 12 faces the track 4.

[0039] A curled edge 22 is arranged on the side plate near the gap of the inner sleeve 21.

[0040] Working principle of the utility model:

[0041] The utility model realizes firm and stable connection between square tubes through the synergistic effect of the inner core assembly, outer protection assembly and connecting assembly, and the following is a detailed working principle description:

[0042] The function of the inner core assembly: the inner core assembly 2 is composed of an inner sleeve 21, which has a C-shaped cross section, and is inserted into the two butt-jointed square tubes 3. The inner sleeve 21 has inner sleeve threaded holes on its two opposite side plates, which are used to cooperate with the connecting assembly to fix the inner core assembly and the square tubes.

[0043] The function of the outer protective assembly: the outer protective assembly 1 is composed of an outer sleeve 12, which also has a C-shaped cross section. The outer sleeve 12 has outer sleeve threaded holes 11 on its two opposite side plates (the first side plate and the second side plate). The outer sleeve 12 surrounds the inner core assembly 2 and is installed peripherally at the butt-jointed position. The outer sleeve threaded holes 11 correspond to the square tube threaded holes and are used to install the connecting assembly.

[0044] The installation and function of the connecting assembly: the connecting assembly includes connecting screws and nuts. When the inner sleeve threaded holes, the outer sleeve threaded holes 11, and the square tube threaded holes are aligned, the connecting screws pass through the outer sleeve 12, the square tubes 3, and the inner sleeve 21, and nuts are installed at both ends of the connecting screws. This design tightly connects the inner core assembly 2, the outer protective assembly 1, and the square tubes 3, enhancing the stability of the overall structure.

[0045] The setting of the tightening screws: several tightening screws are evenly set on the third side plate 13 of the outer sleeve 12. These screws are perpendicular to the connecting screws and are used to further tighten the connection between the outer sleeve 12 and the square tubes 3, ensuring the tightness and stability of the connection.

[0046] The setting of the flanges: flanges 22 are set on the side plates near the cutouts of the inner sleeve 21. The flanges 22 increase the strength of the inner sleeve and provide additional support during installation, ensuring the tight fit between the inner core assembly 2 and the square tubes 3.

[0047] The utility model satisfies the use performance requirement and avoids deformation at the butt-jointed joint, achieving the use performance and safety performance required by the design.

[0048] The above is only the preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A connection reinforcing device for butt joining of square pipes, characterized by The utility model relates to a connecting device for two square pipes, comprising an inner core assembly, an outer protection assembly and a connecting assembly, the inner core assembly is located at the butt joint of two adjacent square pipes, one end of the inner core assembly is placed into the interior of one square pipe, the other end is placed into the interior of the other square pipe, the outer protection assembly is installed at the periphery of the butt joint of the two square pipes, the outer protection assembly corresponds to the inner core assembly and surrounds the inner core assembly, the outer protection assembly, the inner core assembly and the two butt-jointed square pipes are connected together through the connecting assembly.

2. The joining reinforcement device for butt joining of square tubes according to claim 1, characterized by, The inner core assembly comprises an inner sleeve, the cross section of the inner sleeve is C-shaped as a whole, and inner sleeve threaded holes are arranged on the two opposite side plates of the inner sleeve.

3. The joining reinforcement device for butt joining of square tubes according to claim 2, characterized by, The outer protection assembly comprises an outer sleeve, the cross section of the outer sleeve is C-shaped as a whole, and outer sleeve threaded holes are arranged on the two opposite side plates of the outer sleeve; square pipe threaded holes corresponding to the inner sleeve threaded holes and the outer sleeve threaded holes are arranged on the square pipe.

4. The joining reinforcement device for butt joining of square tubes according to claim 3, characterized by, The connecting assembly comprises a connecting screw rod and a nut, when the corresponding inner sleeve threaded holes, outer sleeve threaded holes and square pipe threaded holes are aligned, the connecting screw rod penetrates the outer sleeve, the square pipe and the inner sleeve and is provided with the nut, and the connecting screw rod penetrates the inner sleeve threaded holes, the outer sleeve threaded holes and the square pipe threaded holes.

5. The joining reinforcement device for butt joining of square tubes according to claim 4, characterized by, A plurality of jacking screws are arranged on the side plates of the outer sleeve, and the jacking screws are evenly arranged on the side plates and are arranged perpendicularly to the connecting screw rod.

6. A connection reinforcement device for butt joining of square tubes according to claim 4 or 5, characterized in that A rail is arranged on one side of the square pipe, the rail is arranged along the vertical direction of the square pipe, and the notches of the inner sleeve and the outer sleeve face the rail.

7. The joining reinforcement device for butt joining of square tubes according to claim 6, characterized by, The side plates near the notches of the inner sleeve are provided with curled edges.

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