CN-224209307-U - Connection structure of steel pipe

Abstract

The utility model relates to the technical field of connecting steel pipes, in particular to a steel pipe connecting structure, which comprises two steel pipes, wherein the two steel pipes are respectively a longitudinal steel pipe and a transverse steel pipe, the left end of the transverse steel pipe is welded on the right side surface of the longitudinal steel pipe, the steel pipe connecting structure also comprises a steel pipe section, the periphery of the steel pipe section is matched with the inner periphery of the transverse steel pipe, the upper surface and the lower surface of the left end of the steel pipe section are provided with left extending pieces, the two inserting holes are respectively an upper inserting hole and a lower inserting hole, and the free end of the upper bending structure is welded with the longitudinal steel pipe. The steel pipe has the advantages of strong bearing capacity, and the transverse steel pipe is not easy to break or deform from the connecting part of the longitudinal steel pipe.

Inventors

• TIAN YIFEI
• Yue Yangjie
• Meng Limeixue
• ZHAO MINGXUAN
• WANG HAOLIANG
• Zhang Daihan

Assignees

• 许昌市隽福钢结构工程有限公司

Dates

Publication Date

20260508

Application Date

20250611

Claims (4)

1. 1. The connecting structure of the steel pipe comprises two steel pipes, wherein the two steel pipes are a longitudinal steel pipe and a transverse steel pipe respectively, the left end of the transverse steel pipe is welded on the right side surface of the longitudinal steel pipe, and the connecting structure is characterized by further comprising a steel pipe section, the periphery of the steel pipe section is matched with the inner periphery of the transverse steel pipe, the upper surface and the lower surface of the left end of the steel pipe section are provided with left extending pieces, the two extending pieces are respectively an upper extending piece and a lower extending piece, the upper surface and the lower surface of the longitudinal steel pipe are respectively provided with an insertion hole penetrating left and right, and the two insertion holes are respectively an upper insertion hole and a lower insertion hole; the upper extending piece is inserted into the upper inserting hole, the left end of the upper inserting hole is provided with an upward bending structure, the bending structure is an upper bending structure, the free end of the upper bending structure is welded with the longitudinal steel pipe, the lower extending piece is inserted into the lower inserting hole, the left end of the lower extending piece is provided with a downward bending structure, the bending structure is a lower bending structure, the free end of the lower bending structure is welded with the longitudinal steel pipe, the right end of the longitudinal steel pipe is provided with a free section, and the left end of the transverse steel pipe is also inserted into the free section for connection.
2. 2. The steel pipe connecting structure according to claim 1, wherein the length of the free section is not less than 5 times the height of the transverse steel pipe.
3. 3. The steel pipe connecting structure according to claim 1, wherein the protruding piece is welded to the left end of the insertion hole.
4. 4. The steel pipe connecting structure according to claim 1, wherein the left end of the transverse steel pipe is also connected with the free section in an interference fit manner.

Description

Connection structure of steel pipe Technical Field The utility model relates to the technical field of connecting steel pipes, in particular to a connecting structure of steel pipes. Background The connecting structure of the steel pipes, also called connecting steel pipes, comprises two steel pipes, namely a longitudinal steel pipe and a transverse steel pipe, wherein the left ends of the transverse steel pipes are welded on the right side surface of the longitudinal steel pipe, in the prior art, the transverse steel pipes of the connecting structure of the steel pipes are not provided with other reinforcing parts and are only welded on the right side surface of the longitudinal steel pipe by virtue of the left ends of the transverse steel pipes, and the connecting structure has the defect that the transverse steel pipes are easy to break at welding positions, so that the bearing strength of the connecting steel pipes is influenced, for example, the transverse steel pipes are easy to break from the connecting positions. Disclosure of Invention The utility model aims to overcome the defects and provide a steel pipe connecting structure which has strong bearing capacity and is difficult to break or deform from the connecting position of the longitudinal steel pipes. The technical scheme of the utility model is that the steel pipe connecting structure comprises two steel pipes, wherein the two steel pipes are a longitudinal steel pipe and a transverse steel pipe respectively, the left end of the transverse steel pipe is welded on the right side surface of the longitudinal steel pipe, the steel pipe connecting structure is characterized by further comprising a steel pipe joint, the periphery of the steel pipe joint is matched with the inner periphery of the transverse steel pipe, the upper surface and the lower surface of the left end of the steel pipe joint are provided with left extending pieces, the upper surface and the lower surface of the longitudinal steel pipe are respectively provided with an upper extending piece and a lower extending piece, the upper surface and the lower surface of the longitudinal steel pipe are respectively provided with an insertion hole penetrating left and right, the upper extending piece is inserted into the upper insertion hole, the upper extending piece is provided with an upward bending structure at the left end of the upper insertion hole, the free end of the upper bending structure is welded with the longitudinal steel pipe, the lower extending piece is inserted into the lower insertion hole, the lower extending piece is provided with a left bending structure at the left end of the lower insertion hole, the lower extending piece is provided with a left bending structure, the free end of the lower bending structure is welded at the left end of the lower steel pipe is welded at the left end of the lower steel pipe, and the free end of the lower steel pipe is welded at the left end of the free end of the lower steel pipe. Further, the length of the free section is not less than 5 times of the height of the transverse steel pipe. Further, the protruding piece is welded at the left end of the insertion hole. The connecting structure of the steel pipes has the advantages that the bearing capacity is high, and the transverse steel pipes are not easy to break or deform from the connecting positions of the longitudinal steel pipes. Drawings Fig. 1 is a schematic view of the longitudinal sectional structure of the present utility model. Fig. 2 is a schematic view of the direction a-a in fig. 1. FIG. 3 is a schematic view of the sectional structure in the direction B-B in FIG. 1. FIG. 4 is a schematic view of the sectional structure in the direction C-C in FIG. 1. Wherein 1, a longitudinal steel tube 11, an insertion hole 111, an upper insertion hole 112, a lower insertion hole 2, a transverse steel tube 3, a steel tube joint 31, an extension piece 311, an upper extension piece 3111, an upper bending structure 31111, a free end 312 at the upper bending structure, a lower extension piece 3121, a lower bending structure 31211, a free end 32 at the lower bending structure, a free section 41, a first welding material 42, a second welding material 43, and a third welding material. Detailed Description The utility model is further described below with reference to the accompanying drawings. As shown in fig. 1, 2 and 3, a steel pipe connecting structure comprises two steel pipes, namely a longitudinal steel pipe 1 and a transverse steel pipe 2, wherein the left end of the transverse steel pipe is welded on the right side surface of the longitudinal steel pipe, and a welding material formed by welding is a first welding material, as shown by 41, and is characterized by further comprising a steel pipe section 3, the periphery of the steel pipe section is matched with the inner periphery of the transverse steel pipe, the upper surface and the lower surface of the left end of the steel pipe s