A square tube splicing structure

Abstract

The utility model relates to rectangle pipe splicing technical field, and disclose a rectangle pipe splicing structure, including rectangle pipe A and install rectangle pipe B in rectangle pipe A one end, the outer surface of pipe body A and at the one side of slot are equipped with inner push groove, the outer surface of pipe body A and at the one side of inner push groove are equipped with locating groove, one end of pipe body B is equipped with inner interposition board, one end of pipe body B and the side away from inner interposition board are equipped with locating strip and inclined bracing strip, push in the inner side of pipe body A to inner push strip, place the electrode between the inner wall of pipe body A and inner push strip and carry out welding, insert into the inside of slot to inner interposition board, move into the inside of pipe body A to inclined bracing strip through inner push groove, insert into the inside of locating groove to locating strip, it is convenient for to carry out splicing between rectangle pipe A and rectangle pipe B, after connecting hole B and connecting hole A align, carry out the thread fixing between inner push strip and inner interposition board with the help of bolt, avoid rectangle pipe after splicing to receive the vibration, rectangle pipe A and rectangle pipe B between the butt joint misplacement.

Description

Technical Field

[0001] This utility model relates to the field of rectangular tube splicing technology, specifically a rectangular tube splicing structure. Background Technology

[0002] Rectangular tube splicing structures are a type of structure composed of connected and assembled rectangular tubes, widely used in industries such as construction, machinery, and automobiles. Its characteristic is the use of welding, bolting, or other methods to connect multiple rectangular tubes together, forming a frame structure with high strength and stability.

[0003] For example, a fire-resistant window rectangular tube integral splicing structure disclosed in CN217950175U includes a rectangular tube body; the rectangular tube body includes a first splicing part, a second splicing part, and a bendable connecting part, the first splicing part and the second splicing part are connected as one unit through the connecting part; the docking ends of the first splicing part and the second splicing part are provided with oblique cuts that can be joined together; the first splicing part is provided with a first oblique cut, and the second splicing part is provided with a second oblique cut; when the first splicing part and the second splicing part are joined, the connecting part is bent at 90 degrees, and the end face of the first oblique cut and the end face of the second oblique cut completely coincide; the fire-resistant window rectangular tube integral splicing structure adopts an integrated structure, and by reserving a connecting part between the first splicing part and the second splicing part, the splicing misalignment problem is improved, the difficulty of manual alignment is reduced, and the operation is more convenient; by reserving a connecting part, the structural strength of the fire-resistant window is increased, and the service life of the fire-resistant window is extended.

[0004] The aforementioned patent proposes that by reserving a connecting part between the first splicing part and the second splicing part, the splicing process can be achieved simply by bending the connecting part. However, in actual use, although the rectangular tubes can withstand a certain load when they are inserted together, there is a risk that the rectangular tubes will misalign or fall off when they are subjected to vibration, which affects the stability of the structure and makes it inconvenient to use. Utility Model Content

[0005] The purpose of this invention is to provide a rectangular tube splicing structure to solve the problem of the risk of misalignment or detachment between rectangular tubes mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a rectangular tube splicing structure, including a rectangular tube A and a rectangular tube B installed at one end of the rectangular tube A. The rectangular tube A includes a tube body A and a slot opened on one side of the tube body A. An inner push groove is opened on the outer surface of the tube body A and on one side of the slot. A positioning groove is opened on the outer surface of the tube body A and on one side of the inner push groove.

[0007] The rectangular tube B includes a tube body B and a cutting groove opened on one side of the tube body B. One end of the tube body B is provided with an inner insert plate, and one end of the tube body B and the side away from the inner insert plate is provided with a positioning strip and a diagonal brace.

[0008] Preferably, one end of the tube body A is provided with a fine groove, and one end of the tube body A is provided with an inner push bar inside the fine groove.

[0009] Preferably, a welding rod is provided between one end of the inner push bar and the inner wall of the tube body A, and a connecting hole A is provided through the middle end of the inner push bar.

[0010] Preferably, the inner insert plate has a through-hole B at its middle end.

[0011] Preferably, a U-shaped groove A is provided on the outer surface of the tube body A and on one side of the positioning groove, and a slanted strip A is provided on the inner side of the U-shaped groove A.

[0012] Preferably, the outer surface of the tube body B is provided with a U-shaped groove B, and the inner side of the U-shaped groove B is provided with a beveled strip B.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. The present invention discloses a rectangular tube splicing structure, wherein an inner pusher is pushed into the inner side of tube body A, and one end of tube body A with a fine groove is cut. A welding rod is placed between the inner wall of tube body A and the inner pusher for welding. An inner insert plate is inserted into the inside of the slot. An inclined support bar is moved into the inside of tube body A through the inner push groove. A positioning strip is inserted into the inside of the positioning groove to facilitate the splicing between rectangular tube A and rectangular tube B. After the connecting hole B is aligned with the connecting hole A, the inner pusher and the inner insert plate are threadedly fixed with bolts to prevent misalignment between rectangular tube A and rectangular tube B when they are subjected to vibration.

[0015] 2. The present invention discloses a rectangular tube splicing structure. After rectangular tube A and rectangular tube B are spliced, the miter joint B is located at the bottom end of the miter joint A. The operator welds the miter joint A and the miter joint B together. When rectangular tube A and rectangular tube B are in use, the miter joint A and the miter joint B provide support between rectangular tube A and rectangular tube B. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of the rectangular tube A of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the rectangular tube B of this utility model;

[0019] Figure 4 For the present utility model Figure 1 Enlarged view of point A in the middle.

[0020] In the diagram: 1. Rectangular tube A; 11. Tube body A; 111. Misaligned joint A; 112. Inner push bar; 12. Fine cut groove; 13. Slot; 14. Positioning groove; 15. Inner push groove; 16. U-shaped cut groove A; 17. Connecting hole A; 2. Rectangular tube B; 21. Tube body B; 211. Inner insert plate; 212. Diagonal brace; 213. Positioning bar; 214. Misaligned joint B; 215. Connecting hole B; 22. Cutting groove; 23. U-shaped cut groove B; 3. Welding rod. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: Please refer to Figures 1-4 A rectangular tube splicing structure includes a rectangular tube A1 and a rectangular tube B2 installed at one end of the rectangular tube A1. The rectangular tube A1 includes a tube body A11 and a slot 13 opened on one side of the tube body A11. An inner push groove 15 is opened on the outer surface of the tube body A11 and on one side of the slot 13. A positioning groove 14 is opened on the outer surface of the tube body A11 and on one side of the inner push groove 15.

[0023] The rectangular tube B2 includes a tube body B21 and a cutting groove 22 opened on one side of the tube body B21. One end of the tube body B21 is provided with an inner insert plate 211. One end of the tube body B21 and the side away from the inner insert plate 211 are provided with a positioning strip 213 and a diagonal brace 212. The height of the inner insert plate 211 is the same as the height of the slot 13, the height of the diagonal brace 212 is the same as the height of the inner push groove 15, and the positioning strip 213 is adapted to the positioning groove 14.

[0024] One end of the tube body A11 is provided with a fine groove 12, and one end of the tube body A11 is provided with an inner push bar 112 inside the fine groove 12. The tube body A11 with the fine groove 12 can be bent into the inside of the tube body A11 to form the inner push bar 112, and the inner push bar 112 is at a 90° angle to the tube body A11.

[0025] A welding rod 3 is provided between one end of the inner pusher 112 and the inner wall of the tube body A11. A connecting hole A17 is provided through the middle end of the inner pusher 112. The welding rod 3 is used to weld the inner pusher 112 and the tube body A11.

[0026] A connecting hole B215 is provided through the middle of the inner insert plate 211, and the connecting hole B215 is aligned with the connecting hole A17.

[0027] In this embodiment: Both the upper and lower sides of the tube body A11 are cut. The inner pusher 112 is pushed into the inner side of the tube body A11. One end of the tube body A11 with the fine groove 12 is cut. Welding rod 3 is placed between the inner wall of the tube body A11 and the inner pusher 112 for welding. After one end of the tube body B21 is cut, the inner insert plate 211 is flush with the tube body B21. The diagonal brace 212 and the positioning strip 213 are cut. The diagonal brace 212 is bent to the inner side of the inner insert plate 211. The diagonal brace 212 and the inner insert plate 211 are welded together to support the inner insert plate 211. Plate 211 is inserted into the interior of slot 13, diagonal brace 212 moves into the interior of tube A11 through inner push groove 15, and positioning strip 213 is inserted into positioning groove 14. This facilitates the splicing of tube A11, which has slot 13, positioning groove 14 and inner push groove 15, and tube B21, which has inner insert plate 211, diagonal brace 212 and positioning strip 213. After connecting hole B215 is aligned with connecting hole A17, the inner push strip 112 and inner insert plate 211 are threadedly fixed with bolts to prevent misalignment between rectangular tube A1 and rectangular tube B2 when they are subjected to vibration.

[0028] Example 2: This example is an improvement upon Example 1. For details, please refer to [link / reference]. Figure 2 and Figure 3 A U-shaped groove A16 is provided on the outer surface of the tube body A11 and on one side of the positioning groove 14. A diagonal strip A111 is provided on the inner side of the U-shaped groove A16. The tube body A11 with the U-shaped groove A16 can be bent into a diagonal strip A111 after bending. The diagonal strip A111 and the tube body A11 are at a 45° angle.

[0029] The outer surface of the tube body B21 is provided with a U-shaped groove B23, and the inner side of the U-shaped groove B23 is provided with a diagonal strip B214. After the tube body B21 with the U-shaped groove B23 is bent, it can form a diagonal strip B214, and the diagonal strip B214 is at a 45° angle to the tube body B21.

[0030] In this embodiment: A U-shaped groove A16 is provided on the outer surface of the tube body A11. The oblique joint strip A111 inside the U-shaped groove A16 is broken away from one side of the tube body A11. A U-shaped groove B23 is provided on the outer surface of the tube body B21. The oblique joint strip B214 inside the U-shaped groove B23 is broken away from one side of the tube body B21. After the rectangular tube A1 and the rectangular tube B2 are spliced, the oblique joint strip B214 is located at the bottom end of the oblique joint strip A111. The operator welds the oblique joint strip A111 and the oblique joint strip B214. When the rectangular tube A1 and the rectangular tube B2 are in use, the oblique joint strip A111 and the oblique joint strip B214 provide support between the rectangular tube A1 and the rectangular tube B2.

[0031] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A rectangular tube splicing structure, comprising a rectangular tube A (1) and a rectangular tube B (2) installed at one end of the rectangular tube A (1), characterized in that: The rectangular tube A (1) includes a tube body A (11) and a slot (13) opened on one side of the tube body A (11). An inner push groove (15) is opened on the outer surface of the tube body A (11) and on one side of the slot (13). A positioning groove (14) is opened on the outer surface of the tube body A (11) and on one side of the inner push groove (15). The rectangular tube B (2) includes a tube body B (21) and a cutting groove (22) opened on one side of the tube body B (21). One end of the tube body B (21) is provided with an inner insert plate (211), and one end of the tube body B (21) away from the inner insert plate (211) is provided with a positioning strip (213) and a diagonal brace (212).

2. The rectangular tube splicing structure according to claim 1, characterized in that: One end of the tube body A (11) is provided with a fine groove (12), and an inner push bar (112) is provided on the inner side of the fine groove (12) at one end of the tube body A (11).

3. The rectangular tube splicing structure according to claim 2, characterized in that: Welding rod (3) is provided between one end of the inner push bar (112) and the inner wall of the tube body A (11), and a connecting hole A (17) is provided through the middle end of the inner push bar (112).

4. The rectangular tube splicing structure according to claim 1, characterized in that: The inner insert plate (211) has a through-hole B (215) at its middle end.

5. The rectangular tube splicing structure according to claim 3, characterized in that: The outer surface of the tube body A (11) and one side of the positioning groove (14) are provided with a U-shaped groove A (16), and the inner side of the U-shaped groove A (16) is provided with a slanted strip A (111).

6. The rectangular tube splicing structure according to claim 1, characterized in that: The outer surface of the tube body B (21) is provided with a U-shaped groove B (23), and the inner side of the U-shaped groove B (23) is provided with a diagonal strip B (214).

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