Square steel tube fixing device

By designing a square steel pipe fixing device, the elasticity of the through holes and cylindrical plugs combined with the spring is achieved, simple fixation between the square steel pipes is solved, the quality and efficiency problems of traditional welding connections are improved, and the installation efficiency is improved.

CN222541751UActive Publication Date: 2025-02-28CHINA CONSTR EIGHT ENG DIV CORP LTD
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Patent Information

Application Number
CN202420361777.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-27
Publication Date
2025-02-28
Estimated Expiration
2034-02-27

AI Technical Summary

Technical Problem

Traditional square steel pipe connections have welding quality and anti-rust problems through welding, which cannot guarantee welding quality, and cannot be directly installed after material processing, which affects work efficiency.

Method used

A square steel pipe fixing device is designed. By setting through holes and cylindrical plugs on the inner side of the square steel pipe, and using the elasticity of the spring, the cylindrical plugs are snapped into the through holes, so as to achieve the fixing between the two square steel pipes and avoid welding.

Benefits of technology

It realizes simple fixation between square steel pipes, avoids welding quality problems, and can be installed directly after the factory is processed, greatly improving work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fixing device, belongs to the technical field of square steel tube connection, and particularly relates to a square steel tube fixing device which comprises a first square steel tube and a plurality of through holes, a second square steel tube is arranged on the inner side of the first square steel tube, and the through holes are formed in the inner side of the first square steel tube and the inner side of the second square steel tube at equal intervals respectively. Cylindrical plugs matched with the through holes are symmetrically arranged on the inner side of the second square steel pipe at equal intervals, and a spring is fixedly connected between every two adjacent cylindrical plugs. The fixing device is easy and convenient to operate, the cylindrical plug is clamped into the through hole by pressing the cylindrical plug and utilizing the elasticity of the spring, fixing between the two square steel pipes is achieved, welding is not needed, the poor welding quality is avoided, materials can be directly installed after being machined in a factory, and the working efficiency is greatly improved; the problem that the welding quality cannot be guaranteed due to the fact that the existing welding quality and rust prevention change along with the change of external parameters is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of square steel pipe connection, in particular to a square steel pipe fixing device. Background Art

[0002] With the rapid development of the construction and manufacturing industries, it is usually necessary to connect two steel pipes at the installation site of curtain wall keels.

[0003] Traditional square steel pipe connections are mostly welded, but welding has certain defects:

[0004] The welding quality and rust prevention will change with the change of external parameters, so the welding quality cannot be guaranteed. Therefore, it is particularly important to invent an efficient, simple and convenient fixing method. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a square steel pipe fixing device, which is easy to operate. By pressing the cylindrical plug and utilizing the elasticity of the spring, the cylindrical plug is inserted into the through hole to achieve fixation between two square steel pipes. No welding is required to avoid poor welding quality. Moreover, the material has been processed in the factory and can be directly installed, which greatly improves work efficiency.

[0006] The technical solution for achieving the purpose of the utility model is: a square steel pipe fixing device, comprising square steel pipe one, square steel pipe two is arranged on the inner side of square steel pipe one, and also comprising: a plurality of through holes, the plurality of through holes are respectively and evenly spacedly arranged on the inner sides of square steel pipe one and square steel pipe two; cylindrical plugs matching the plurality of through holes are symmetrically and evenly spaced on the inner side of square steel pipe two, and a spring is fixedly connected between two adjacent cylindrical plugs.

[0007] In some embodiments, the diameter of the square steel tube 2 is slightly smaller than the diameter of the square steel tube 1.

[0008] In some embodiments, the plurality of cylindrical plugs and the spring are made of stainless steel.

[0009] In some embodiments, both wings of the plurality of cylindrical plugs are provided with protrusions for limiting the plurality of springs.

[0010] In some embodiments, diameters of the plurality of through holes are slightly larger than diameters of the plurality of cylindrical plugs.

[0011] Compared with the prior art, the present invention has the following significant advantages:

[0012] The utility model is easy to operate. By pressing the cylindrical plug and utilizing the elasticity of the spring, the cylindrical plug is inserted into the through hole to achieve fixation between two square steel pipes. No welding is required to avoid poor welding quality. Moreover, the material has been processed in the factory and can be directly installed, which greatly improves work efficiency.

[0013] The invention solves the problem that the existing welding quality and rust prevention will change with the change of external parameters, thus the welding quality cannot be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a schematic diagram of the overall connection state structure provided in one embodiment of the utility model;

[0016] Figure 2 It is a schematic cross-sectional structural diagram of a square steel tube provided in one embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a square steel tube provided in one embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of a top view of a square steel tube provided in one embodiment of the utility model.

[0019] Description of reference numerals:

[0020] 1. Square steel tube one; 2. Square steel tube two; 3. Through hole; 4. Cylindrical plug; 5. Spring. DETAILED DESCRIPTION

[0021] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides a square steel pipe fixing device through improvement. The technical solution of the utility model is:

[0023] like Figure 1-Figure 4As shown, a square steel pipe fixing device comprises a square steel pipe 1, a square steel pipe 2 is arranged on the inner side of the square steel pipe 1, and further comprises: a plurality of through holes 3, the plurality of through holes 3 are respectively and evenly arranged on the inner sides of the square steel pipe 1 and the square steel pipe 2; cylindrical plugs 4 adapted to the plurality of through holes 3 are symmetrically arranged on the inner side of the square steel pipe 2 at equal intervals, and springs 5 ​​are fixedly connected between two adjacent cylindrical plugs 4, the springs 5 ​​are made of high-strength elastic material to ensure the elastic effect, and the plurality of cylindrical plugs 4 are respectively pressed to utilize the elastic potential energy of the plurality of springs 5. The cylindrical plugs 4 move relatively to each other so that they can be inserted into the square steel tube 1 respectively, and the square steel tube 2 is slowly pushed until the cylindrical plug 4 at the front end moves to the inside of the square steel tube 1. When the cylindrical plug 4 at the front end moves to the side of one of the through holes 3, the cylindrical plug 4 is pushed into the inside of one of the through holes 3 by the elastic potential energy of multiple springs 5 ​​to complete the fixation. At the same time, it can be adjusted according to the required position, and the square steel tube 2 is continued to be pushed to drive multiple cylindrical plugs 4 to be pushed into the inside of multiple through holes 3 respectively to complete the adjustment operation.

[0024] like Figure 1 As shown, in one embodiment, in order to ensure the fixing effect between the square steel tube 1 and the square steel tube 2, the diameter of the square steel tube 2 is slightly smaller than the diameter of the square steel tube 1.

[0025] like Figure 1 As shown, in one embodiment, the plurality of cylindrical plugs 4 and the spring 5 are all made of stainless steel, which improves durability.

[0026] like Figure 3 and Figure 4 As shown, in one embodiment, in order to ensure the fixed connection effect of the multiple springs 5 ​​, both wings of the multiple cylindrical plugs 4 are provided with protrusions for limiting the multiple springs 5 ​​.

[0027] like Figure 1 As shown, in one embodiment, the diameter of the plurality of through holes 3 is slightly larger than the diameter of the plurality of cylindrical plugs 4, thereby ensuring the feasibility of the device.

[0028] The specific working method is: when in use, fix the square steel pipe 1 and the square steel pipe 2 to the buried plate respectively through chemical anchor bolts, press the multiple cylindrical plugs 4 respectively, and use the elastic potential energy of the multiple springs 5 ​​to make the multiple cylindrical plugs 4 move relatively so that they can be inserted into the square steel pipe 1 respectively, and slowly push the square steel pipe 2 2 until the cylindrical plug 4 at the front end moves to the inside of the square steel pipe 1. When the cylindrical plug 4 at the front end moves to one side of one of the through holes 3, the cylindrical plug 4 is pushed into the inside of one of the through holes 3 by the elastic potential energy of the multiple springs 5 ​​to complete the fixation. At the same time, it can be adjusted according to the required position, and the square steel pipe 2 2 is continued to be pushed to drive the multiple cylindrical plugs 4 to be pushed into the inside of the multiple through holes 3 respectively to complete the adjustment operation.

[0029] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A square steel pipe fixing device, comprising a square steel pipe (1), wherein a square steel pipe (2) is arranged inside the square steel pipe (1), characterized in that: Also includes: A plurality of through holes (3), wherein the plurality of through holes (3) are respectively and evenly spaced apart and arranged inside the first square steel tube (1) and the second square steel tube (2); Cylindrical plugs (4) adapted to the plurality of through holes (3) are symmetrically arranged at equal intervals on the inner side of the second square steel tube (2), and a spring (5) is fixedly connected between two adjacent cylindrical plugs (4).

2. A square steel pipe fixing device according to claim 1, characterized in that: The diameter of the square steel pipe 2 (2) is slightly smaller than the diameter of the square steel pipe 1 (1).

3. A square steel pipe fixing device according to claim 1, characterized in that: The plurality of cylindrical plugs (4) and springs (5) are all made of stainless steel.

4. A square steel pipe fixing device according to claim 1, characterized in that: Both wings of the plurality of cylindrical plugs (4) are provided with protrusions for limiting the positions of the plurality of springs (5).

5. A square steel pipe fixing device according to claim 1, characterized in that: The diameters of the plurality of through holes (3) are slightly larger than the diameters of the plurality of cylindrical plugs (4).