Staggered welding combined steel pipe

Abstract

The utility model relates to the technical field of steel pipes, in particular to a staggered welding combined steel pipe. According to the technical scheme, a cylindrical main body matching connection steel pipe is included, and a cylindrical center matching installation hole penetrating through the whole length direction is formed in the center axis position of the main body matching connection steel pipe. The connecting structure is characterized in that main body connecting combined grooves which are evenly distributed in the circumferential direction are formed in the middle of the outer cylindrical face of the main body matched connecting steel pipe, each main body connecting combined groove is of a rectangular structure, and the main body connecting combined grooves are communicated with the center matched mounting hole. The utility model has the advantages that various fastening and matching connection of fastening positions can be realized, the convenience during combination is stronger, the matching application range during connection is wider, the fastening device can be matched with mechanical products of various specifications for use, the overall matching bearing capacity during later use is stronger, and the durability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipes, in particular to a staggered welded combined steel pipe. Background Art

[0002] When steel pipes are used as protective products in mechanical components, mechanical products are usually inserted inside for protection. When existing steel pipes are assembled for protection installation, they are connected by clamping components at the end positions. The tightness and stability of the mating positions cannot be guaranteed, and the bearing capacity during use is relatively poor. It is impossible to fully reinforce the products at the protection position, and it can only play the role of wrapping protection. Utility Model Content

[0003] The purpose of the utility model is to provide a staggered welded combined steel pipe, which can be wrapped with a matching protective product during use and then be staggered and fastened together through combination grooves in different positions. The welding method can achieve a more secure connection, and through the provision of a combination stable matching groove and a welding stable connection groove, a variety of fastening matching connections can be achieved at the fastening positions. The convenience during combination is greater, the application range of the matching during connection is wider, and the pipe can be used in conjunction with mechanical products of various specifications. The overall matching bearing capacity during later use is stronger and the durability is better. When installed after the later combination, the pipe can be installed and matched as an integral structure, and the operation during combination is more convenient.

[0004] The technical solution of the utility model is as follows:

[0005] A staggered welded combined steel pipe comprises a cylindrical main body matching connecting steel pipe, the central axis position of the main body matching connecting steel pipe is provided with a cylindrical center matching mounting hole that penetrates the entire length direction, characterized in that: the middle position of the outer cylindrical surface of the main body matching connecting steel pipe is provided with a main body connection combination groove that is evenly distributed and circumferentially evenly distributed, the main body connection combination groove is a rectangular structure, the main body connection combination groove is communicated with the center matching mounting hole, the outer cylindrical surface of the main body matching connecting steel pipe is located at the upper and lower side areas of the main body connection combination groove and is respectively provided with a group of symmetrical second combination connection grooves, the second combination connection groove and the main body connection combination groove are staggered in upper and lower distribution, the main body connection combination groove and the second combination connection groove have the same number in the circumferential direction, the inner edge position of the second combination connection groove is provided with a cylindrical combination stable matching groove, the central axis of the combination stable matching groove is located at the inner edge position of the second combination connection groove, and the middle position of the width direction of the second combination connection groove is provided with a welding stable connection matching groove with a V-shaped cross-section.

[0006] Furthermore, the main body connection combination groove is located at the center position of the main body in the length direction of the connecting steel pipe.

[0007] Further, the size of the second combination connecting groove is the same as the size of the main body connecting combination groove.

[0008] Further, the projection of the main body connecting combination groove and the second combination connecting groove in the up-down direction intersects.

[0009] The utility model discloses beneficial effect:

[0010] The utility model discloses when using can be wrapped with the product of cooperation protection through the combination groove of different position, can realize staggered fastening combination, cooperation welding mode can realize more firm connection cooperation, and through the combination stable cooperation groove and welding stable connecting groove that set up, can realize fastening position multiple fastening cooperation and connection, the convenience of combination is stronger, and the application range of cooperation when connecting is wider, can cooperate with multiple specifications mechanical product and use, the overall cooperation bearing capacity when using in later period is stronger, and the durability is better, can be installed cooperation as the overall structure when installing after combination in later period, and the operation when combining is more convenient. DRAWINGS

[0011] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is the front schematic diagram of the utility model;

[0013] Figure 3 It is the left side schematic diagram of the utility model;

[0014] Figure 4 It is the right side schematic diagram of the utility model;

[0015] Figure 5 It is the overhead schematic diagram of the utility model;

[0016] Figure 6 It is the bottom view schematic diagram of the utility model;

[0017] Figure 7 It is the three-dimensional structure schematic diagram of the second direction of the utility model;

[0018] In the drawing: 1, main body cooperation connecting steel pipe, 2, center cooperation installation hole, 3, main body connecting combination groove, 4, second combination connecting groove, 5, combination stable cooperation groove, 6, welding stable connection cooperation groove. SPECIFIC IMPLEMENTATION

[0019] As Figures 1 to 7As shown, an interleaved welding combined steel pipe, which comprises a cylindrical main body fitting connection steel pipe 1, a cylindrical center fitting installation hole 2 is arranged at the center axis position of the main body fitting connection steel pipe 1 and penetrates the overall length direction, a main body connection combined groove 3 is arranged at the middle position of the outer cylindrical surface of the main body fitting connection steel pipe 1 and is uniformly distributed in the circumferential direction, which can be combined and connected with the internally fitted structure in use and can be used in cooperation with the welding groove. The main body connection combined groove 3 is of a rectangular structure, which can ensure more convenient processing and larger space during cooperation. The main body connection combined groove 3 is communicated with the center fitting installation hole 2. The outer cylindrical surface of the main body fitting connection steel pipe 1 is respectively provided with a group of symmetrical second combined connection grooves 4 at the upper and lower side regions of the main body connection combined groove 3, which can be comprehensively fastened and connected with the main body connection combined groove 3. The second combined connection groove 4 and the main body connection combined groove 3 are staggered in the up-down direction, which can ensure more reliable overall combined stability during connection. The number of the main body connection combined groove 3 and the second combined connection groove 4 in the circumferential direction is the same, which can ensure better stability of the main body structure. The inner side edge position of the second combined connection groove 4 is provided with a cylindrical combined stable fitting groove 5, the center axis of the combined stable fitting groove 5 is located at the inner side edge position of the second combined connection groove 4, and the middle position of the width direction of the second combined connection groove 4 is provided with a welding stable connection fitting groove 6 with a V-shaped cross section, which can ensure better accuracy of the welding position, better material fusion fluency during welding and more reliable welding connection firmness. The steel pipe product can be processed by using a seamed steel pipe, which can conveniently and efficiently process the corresponding structure in the early stage and ensure lower overall production and processing cost. In use, it can be wrapped with a matched protection product and can realize interleaved fastening combination through different combined grooves, can realize more firm connection and cooperation through the welding method, and through the arranged combined stable fitting groove and welding stable connection groove, can realize various fastening and cooperation connection of the fastening position, has stronger convenience during combination, wider cooperation application range during connection, can be used in cooperation with various specifications of mechanical products, has stronger overall cooperation bearing capacity during use and better durability, can be installed and cooperated as a whole structure after combination and has more convenient operation during combination.

[0020] As preferred, the main body connection combined groove 3 is located at the center position of the length direction of the main body fitting connection steel pipe 1, which can ensure that the structural strength of the overall combined position reaches the maximum and the cooperation safety is better during connection at this position, and the bearing capacity during use can be further improved.

[0021] As preferred, the size of the second combined connection groove 4 is the same as that of the main body connection combined groove 3, which is more convenient during production and processing.

[0022] As preferred, the projections of the main connecting combination groove 3 and the second connecting combination groove 4 in the up-down direction intersect, so that the overall stability when fastening is more reliable, the combination fitting area is larger, and the fitting stability is more reliable.

[0023] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the ordinary technical personnel in the art, without departing from the principles described in the present application, can make a number of improvements or replacement, these improvements or replacement should also be considered as the protection scope of the present application.

Claims

1. An interlocking welded combination steel pipe comprising a cylindrical main body fitting connection steel pipe (1) provided with a cylindrical center fitting installation hole (2) penetrating the entire length direction at the center axis position of the main body fitting connection steel pipe (1), characterized in that: The outer cylindrical surface of the main body connecting steel pipe (1) is provided with a plurality of main body connecting combination grooves (3) which are uniformly distributed in the circumferential direction and are uniformly distributed in the circumferential direction, the main body connecting combination grooves (3) are rectangular structures, the main body connecting combination grooves (3) are communicated with the center matching mounting hole (2), the outer cylindrical surface of the main body connecting steel pipe (1) is provided with a group of symmetrical second combination connecting grooves (4) on the upper and lower sides of the main body connecting combination grooves (3), the second combination connecting grooves (4) and the main body connecting combination grooves (3) are staggered in the up-down direction, the number of the main body connecting combination grooves (3) and the second combination connecting grooves (4) in the circumferential direction is the same, the inner side edge of the second combination connecting groove (4) is provided with a cylindrical combination stable matching groove (5), the center axis of the combination stable matching groove (5) is located on the inner side edge of the second combination connecting groove (4), the width direction of the second combination connecting groove (4) is provided with a welding stable connecting matching groove (6) with a V-shaped cross section.

2. A staggered welded composite steel pipe according to claim 1, characterized in that: The main body connecting combination groove (3) is located at the center position of the length direction of the main body connecting steel pipe (1).

3. The staggered welded composite steel pipe according to claim 1, characterized in that: The size of the second combination connecting groove (4) is the same as the size of the main body connecting combination groove (3).

4. The staggered welded composite steel pipe according to claim 1, characterized in that: The projection of the main body connecting combination groove (3) and the second combination connecting groove (4) in the up-down direction intersects.

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