A steel framed construction connector

Abstract

The application relates to the field of connecting pieces, in particular to a steel frame structure connecting piece which comprises a sleeve shell, the sleeve shell is in the shape of a rectangular body, an auxiliary metal pipe is in surface contact with the sleeve shell, the two ends of the sleeve shell are provided with round openings for penetrating a main metal pipe; an extrusion assembly is arranged at the four top corner positions inside the sleeve shell, the extrusion assembly is provided with an extrusion body for extruding the main metal pipe; a supporting arm assembly is arranged on the surface of the sleeve shell, the end of the supporting arm assembly is connected with a clamping assembly, the clamping assembly fixes the auxiliary metal pipe, so that the supporting arm assembly supports the auxiliary metal pipe to be in non-vertical contact with the surface of the sleeve shell, the sleeve shell is fixed outside the main metal pipe, a plane basis is constructed for the connection of the auxiliary metal pipe, the end of the auxiliary metal pipe is subjected to flat cutting treatment, special arc machining is not needed, the construction difficulty is reduced, and the connection precision is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of connecting pieces, in particular to a steel frame structure connecting piece. BACKGROUND

[0002] The steel structure framework is composed of several metal pipes welded together, and the circular metal pipe is the most common one. Based on the large-sized main metal pipe, auxiliary metal pipes are welded on the surface of the main metal pipe according to the design requirements to form a stable framework structure.

[0003] Before connecting the main metal pipe with the auxiliary metal pipe, the end of the auxiliary metal pipe needs to be cut into an arc-shaped hole that matches the main metal pipe. The cutting and matching of the arc-shaped hole is difficult and cannot meet the high-precision connection requirements of the steel structure framework. SUMMARY

[0004] The purpose of the present application is to solve the problem in the prior art that before connecting the main metal pipe with the auxiliary metal pipe, the end of the auxiliary metal pipe needs to be cut into an arc-shaped hole that matches the main metal pipe. The cutting and matching of the arc-shaped hole is difficult and cannot meet the high-precision connection requirements of the steel structure framework.

[0005] To solve the problem in the prior art, the present application provides a steel frame structure connecting piece, which comprises a sleeve shell. The sleeve shell is in the shape of a rectangular body, the auxiliary metal pipe is in surface contact with the sleeve shell, and the sleeve shell has circular holes at both ends for inserting the main metal pipe.

[0006] An extrusion assembly is arranged at each of the four corners of the inside of the sleeve shell. The extrusion assembly has an extrusion body for extruding the main metal pipe.

[0007] A support arm assembly is arranged on the surface of the sleeve shell. The end of the support arm assembly is connected with a clamping assembly. The clamping assembly fixes the auxiliary metal pipe so that the support arm assembly supports the auxiliary metal pipe in non-perpendicular contact with the surface of the sleeve shell.

[0008] Preferably, the extrusion assembly comprises a first rotating arm. One end of the first rotating arm is rotatably connected with the inner wall of the sleeve shell, and the other end of the first rotating arm is rotatably connected with the extrusion body. The other end of the extrusion body is rotatably connected with a second rotating arm. The second rotating arm is rotatably connected with a rotating cylinder. The rotating cylinder is rotatably connected with a screw rod. The screw rod is threaded through the end of the sleeve shell.

[0009] Preferably, the surface of the extrusion body is an arc-shaped surface that matches the main metal pipe. The arc-shaped surface of the extrusion body has rough lines.

[0010] Preferably, the support arm assembly comprises an arm rod. A rotating seat is fixed on the surface of the sleeve shell. The arm rod is rotatably connected with the rotating seat. An arc-shaped toothed plate is arranged on the surface of the rotating seat. A telescopic rod is slidably threaded through the bottom end of the arm rod. The end of the telescopic rod has a tooth pattern that clamps the arc-shaped toothed plate. An ear block is fixed on the telescopic rod. A screw is rotatably connected with the surface of the arm rod. The screw is threaded through the ear block.

[0011] Preferably, the clamping assembly comprises a carrier, the carrier surface symmetrically rotates two arc-shaped clamping plates, the rotating end of the arc-shaped clamping plate is fixed with tail plates distributed on the same side, a push column is slidably arranged in the carrier, the push column is located between the two tail plates, a threaded stud penetrates through the carrier and is rotationally connected with the push column, and the carrier is fixedly connected with the arm rod.

[0012] Preferably, the sleeve shell comprises an upper shell and a lower shell, the edge top of the lower shell is fixed with an insertion plate, the edge bottom of the upper shell is provided with an insertion slot, the insertion plate is adapted to be inserted into the insertion slot, and the side edge of the upper shell is screwedly connected with the insertion plate through a screw.

[0013] Preferably, the round port part at the two ends of the sleeve shell is provided with a chamfer.

[0014] Compared with the related art, the steel frame structure connecting piece provided by the application has the following beneficial effects:

[0015] 1. The sleeve shell is fixed outside the main metal pipe, a planar basis is constructed for the connection of the auxiliary metal pipe, the end part of the auxiliary metal pipe is subjected to planar cutting, special arc-shaped machining is not needed, construction difficulty is reduced, and connection precision is improved.

[0016] 2. Four groups of evenly distributed extrusion assemblies are adopted to clamp the main metal pipe, the setting position of the sleeve shell is adjusted in advance, the subsequent welding position of the sleeve shell is accurate, the auxiliary metal pipe in non-vertical connection is fixed through the support arm assembly and the extrusion assembly, the fixing accuracy of the auxiliary metal pipe is improved, and the connection firmness of the auxiliary metal pipe is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the application;

[0018] Figure 2 It is a schematic diagram of the sleeve shell structure of the application;

[0019] Figure 3 It is a schematic diagram of the sleeve shell structure of the application;

[0020] Figure 4 It is a schematic diagram of the extrusion assembly distribution structure of the application;

[0021] Figure 5 It is a schematic diagram of the extrusion assembly structure of the application;

[0022] Figure 6 It is a schematic diagram of the clamping assembly connection support arm assembly structure of the application;

[0023] Figure 7 It is a schematic diagram of the clamping assembly structure of the application;

[0024] Figure 8 It is a schematic diagram of the support arm assembly structure of the application.

[0025] The figure label: 1, the shell; 11, the upper shell; 12, the lower shell; 13, the plugboard; 14, the slot; 2, the clamping assembly; 21, the arc-shaped clamping plate; 22, the tail plate; 23, the push column; 24, the stud; 25, the carrier; 3, the support arm assembly; 31, the arm rod; 32, the telescopic rod; 33, the ear block; 34, the rotating seat; 35, the arc-shaped tooth plate; 4, the extrusion assembly; 41, the first rotating arm; 42, the second rotating arm; 43, the extrusion body; 44, the rotating cylinder; 45, the screw rod; 5, the main metal pipe; 6, the auxiliary metal pipe. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0027] The specific implementation of the present application is described in detail below in combination with specific examples.

[0028] Example one

[0029] As shown in Figure 1 , Figure 2 , Figure 3 A steel frame structure connecting piece, including a shell 1, the whole of the shell 1 is rectangular body shape, the shell 1 both ends have round mouth that inserts the main metal pipe 5, the shell 1 includes the upper shell 11 and the lower shell 12, the lower shell 12 both sides edge top fixed plugboard 13, the upper shell 11 both sides edge bottom is provided with slot 14, the upper shell 11 and the lower shell 12 are pasted on the outside of the main metal pipe 5, the plugboard 13 is adapted to be inserted into the slot 14, the upper shell 11 side is screwed and threadedly connected with the plugboard 13, so that the upper shell 11 and the lower shell 12 are fixedly connected;

[0030] As shown in Figure 4 , Figure 5 The shell 1 inside four top corner edge positions are provided with extrusion assembly 4, the extrusion assembly 4 includes the first rotating arm 41, one end of the first rotating arm 41 is rotatably connected with the inner wall of the shell 1, the other end of the first rotating arm 41 is rotatably connected with the extrusion body 43, the other end of the extrusion body 43 is rotatably connected with the second rotating arm 42, the second rotating arm 42 is rotatably connected with the rotating cylinder 44, the rotating cylinder 44 is rotatably connected with the screw rod 45, and the screw rod 45 is screwed through the end of the shell 1;

[0031] After the sleeve shell 1 is sleeved outside the main metal pipe 5, the screw rod 45 is rotated by using a wrench, the rotating drum 44 is moved inwards by thread pushing, the first rotating arm 41 and the second rotating arm 42 are gradually rotated and closed, the extrusion body 43 extrudes the outer wall of the main metal pipe 5, the sleeve shell 1 is kept fixed relative to the main metal pipe 5, the round mouth part is welded to the main metal pipe 5, and the round mouth part at both ends of the sleeve shell 1 is chamfered to increase the welding contact area of the sleeve shell 1 and the main metal pipe 5.

[0032] As shown in Figure 5 , the surface of the extrusion body 43 is an arc surface matched with the main metal pipe 5, and the arc surface of the extrusion body 43 has rough lines, so that the extrusion body 43 stably extrudes the main metal pipe 5.

[0033] As shown in Figure 1 , Figure 6 , the auxiliary metal pipe 6 arranged vertically is directly welded to the surface of the sleeve shell 1, and the auxiliary metal pipe 6 arranged non-perpendicularly is pre-fixed by using the supporting arm assembly 3 and the extrusion assembly 4;

[0034] As shown in Figure 8 , the supporting arm assembly 3 comprises an arm rod 31, a rotating seat 34 fixed to the surface of the sleeve shell 1, the arm rod 31 is rotationally connected to the rotating seat 34, the surface of the rotating seat 34 is provided with an arc-shaped toothed plate 35, the bottom end of the arm rod 31 is slidably penetrated by a telescopic rod 32, the end of the telescopic rod 32 is provided with tooth patterns for clamping the arc-shaped toothed plate 35, the telescopic rod 32 is fixed with an ear block 33, the surface of the arm rod 31 is rotationally connected with a screw, and the screw is threadedly penetrated through the ear block 33;

[0035] As shown in Figure 7 , the clamping assembly 2 comprises a carrier 25, two arc-shaped clamping plates 21 rotationally arranged on the surface of the carrier 25 in a symmetrical and coaxial manner, tail plates 22 distributed on the same side are fixed to the rotating end of the arc-shaped clamping plates 21, a push column 23 is slidably arranged in the carrier 25 and located between the two tail plates 22, a stud 24 is threadedly penetrated through the carrier 25 and rotationally connected with the push column 23, and the carrier 25 is fixedly connected with the arm rod 31;

[0036] When the auxiliary metal pipe 6 arranged non-perpendicularly is installed, the two arc-shaped clamping plates 21 are first covered outside the auxiliary metal pipe 6, the push column 23 is moved by rotating the stud 24 and pushing, the arc-shaped clamping plates 21 are clamped and fixed to the auxiliary metal pipe 6 by gradually expanding the arc-shaped clamping plates 21 by extruding the tail plates 22, then the flat cutting surface of the auxiliary metal pipe 6 is attached to the surface of the sleeve shell 1, the telescopic rod 32 is moved by rotating the screw and pushing the ear block 33, the telescopic rod 32 is clamped and contacted with the arc-shaped toothed plate 35, the arm rod 31 is kept at a fixed angle, the auxiliary metal pipe 6 is pre-supported, and then the auxiliary metal pipe 6 is welded and fixed.

Claims

1. A steel frame structure connector, characterized in that, include: Shell (1), which is rectangular in shape, with auxiliary metal tube (6) in contact with the surface plane of shell (1), and the shell (1) has round openings at both ends for inserting the main metal tube (5); The extrusion assembly (4) is provided at each of the four top corners inside the casing (1). The extrusion assembly (4) has an extrusion body (43) for extruding the main metal tube (5). Support arm assembly (3) is disposed on the surface of the housing (1). A clamping assembly (2) is connected to the end of the support arm assembly (3). The clamping assembly (2) fixes the auxiliary metal tube (6) so that the support arm assembly (3) supports the auxiliary metal tube (6) in non-perpendicular contact with the surface of the housing (1). The extrusion assembly (4) includes a first rotating arm (41), one end of which is rotatably connected to the inner wall of the housing (1), the other end of which is rotatably connected to the extrusion body (43), the other end of which is rotatably connected to a second rotating arm (42), the second rotating arm (42) is rotatably connected to a rotating drum (44), and the rotating drum (44) is rotatably connected to a screw (45), the screw (45) being threaded through the end of the housing (1); The surface of the extrusion body (43) is an arc-shaped surface adapted to the main metal tube (5), and the arc-shaped surface of the extrusion body (43) has a rough texture.

2. The steel frame structure connector according to claim 1, characterized in that, The support arm assembly (3) includes an arm (31), a rotating seat (34) is fixed on the surface of the housing (1), the arm (31) is rotatably connected to the rotating seat (34), an arc-shaped toothed plate (35) is provided on the surface of the rotating seat (34), a telescopic rod (32) slides through the bottom end of the arm (31), the end of the telescopic rod (32) has teeth that engage with the arc-shaped toothed plate (35), an ear block (33) is fixed to the telescopic rod (32), and a screw is rotatably connected to the surface of the arm (31), the screw thread passes through the ear block (33).

3. The steel frame structure connector according to claim 2, characterized in that, The clamping assembly (2) includes a frame (25), with two arc-shaped clamps (21) rotating symmetrically and coaxially on the surface of the frame (25). The rotating ends of the arc-shaped clamps (21) are fixed with tail plates (22) distributed on the same side. A push column (23) is slidably arranged inside the frame (25). The push column (23) is located between the two tail plates (22). A stud (24) is threaded through the frame (25) and rotatably connected to the push column (23). The frame (25) is fixedly connected to the arm (31).

4. The steel frame structure connector according to claim 1, characterized in that, The casing (1) includes an upper casing (11) and a lower casing (12). A plug plate (13) is fixed to the top edge of the lower casing (12), and a slot (14) is opened at the bottom edge of the upper casing (11). The plug plate (13) is adapted to the plug slot (14), and the plug plate (13) is threadedly connected to the side of the upper casing (11) by a through screw.

5. The steel frame structure connector according to claim 1, characterized in that, The round openings at both ends of the casing (1) are chamfered.

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