CN211572018U - Connecting device for building steel structure - Google Patents

Abstract

The utility model belongs to the technical field of the connecting device technique and specifically relates to a connecting device for building steel construction, including two shell and tubes of mirror image complex, the shell and tube includes a plurality of semicircular centre gripping pipes, the one end of centre gripping pipe links together jointly, two connect through coupling mechanism between the centre gripping pipe of shell and tube, two the both sides of steel pipe are held respectively to the centre gripping pipe of shell and tube, coupling mechanism includes a screw thread section of thick bamboo and sleeve, a screw thread section of thick bamboo and sleeve cartridge are in the jack of seting up respectively on the both sides wall of steel pipe, a screw thread section of thick bamboo and telescopic one end respectively with the inner wall fixed connection of two centre gripping pipes of mutually supporting, the utility model discloses can realize stable connection, the security is high.

Description

Connecting device for building steel structure

Technical Field

The utility model relates to a connecting device field especially relates to a connecting device for building steel construction.

Background

Need connect the steel construction in the construction often, common steel pipe joint's among the prior art shape includes a plurality of slots, cartridge bolt on the lateral wall of slot, insert the bolt again after the tip of steel pipe inserts the slot of joint and prescribe a limit to the tip position of steel pipe and realize connecting, this kind of joint is though the structure is comparatively simple, but joint strength is relatively poor, in case the bolt takes place to break or the pine takes off then the junction scatters very easily, consequently need improve to obtain more reliable connection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art that the connection is not firm, and providing a connecting device for a building steel structure.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a connecting device for a building steel structure comprises two shell pipes matched with each other in a mirror image mode, each shell pipe comprises a plurality of semicircular clamping pipes, one ends of the clamping pipes are connected together, the clamping pipes of the two shell pipes are connected with each other through a connecting mechanism, the clamping pipes of the two shell pipes respectively clamp two sides of a steel pipe, each connecting mechanism comprises a threaded cylinder and a sleeve, the threaded cylinders and the sleeves are respectively inserted into insertion holes formed in two side walls of the steel pipe, one ends of the threaded cylinders and the sleeves are respectively fixedly connected with the inner walls of the two clamping pipes matched with each other, the threaded cylinders are inserted into the sleeves, through holes coaxial with the sleeves are formed in the clamping pipes at the joints of the sleeves and the clamping pipes, screw rods are inserted into the through holes and are in threaded fit with the threaded cylinders, one ends of the screw rods penetrate through the through holes, and are connected with limiting ends at the ends, the middle part of spacing end is equipped with the instrument groove, be equipped with the boss with the coaxial setting of through-hole on the outer wall of centre gripping pipe, the middle part of boss is equipped with the mounting groove, the screw rod passes the round hole that the boss bottom set up, spacing end clamps in the mounting groove.

Preferably, the clamping pipes are provided with three and three central axes which are mutually perpendicular.

Preferably, a limiting plate is vertically fixed on the inner wall of the clamping pipe, and the end part of the steel pipe props against the end face of the limiting plate.

Preferably, the tool groove is hexagonal, the mounting groove is cylindrical, the limiting end is cylindrical, and the outer wall of the limiting end is in sliding fit with the inner wall of the mounting groove.

Preferably, the boss upper cover is equipped with locking cap, locking cap and the outer wall threaded connection of boss, locking cap covers the upper portion of mounting groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the steel pipe is clamped and connected by matching the two shell pipes, so the utility model has the characteristic of convenient assembly;

2. the shell tube comprises a plurality of mutually connected clamping tubes, and the angles of the connected steel tubes can be conveniently controlled by arranging the clamping tubes at different angles;

3. the two clamping pipes are matched in advance through the threaded cylinder and the sleeve, so that the characteristic of strengthening a connecting structure can be achieved, and then the positions of the two clamping pipes are locked through the screw rod, so that the risk of screw rod fracture can be reduced, even if the screw rod is loosened, a certain degree of connection matching can be guaranteed through the matching of the threaded cylinder and the sleeve, and the safety is improved;

4. through setting up the boss to set up the mounting groove and can protect the spacing end of screw rod tip in the boss, thereby reach the not hard up effect of screw rod that prevents.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram at a in fig. 2.

In the figure: the clamping device comprises a clamping pipe 1, a steel pipe 2, a locking cap 3, a limiting plate 4, a threaded cylinder 5, a screw rod 6, a sleeve 7, a through hole 8, a boss 9, a limiting end 10, a mounting groove 11 and a jack 12.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The connecting device for the building steel structure shown in fig. 1-3 comprises two shell tubes matched with each other in a mirror image mode, each shell tube comprises a plurality of semicircular clamping tubes 1, one ends of the clamping tubes 1 are connected together, and the clamping tubes 1 are provided with three clamping tubes 1 in total, wherein the central axes of the three clamping tubes 1 are perpendicular to each other. Two shell tubes are adopted to clamp from two sides, and the shell tube clamp has the advantage of convenience in assembly and disassembly. Can connect a plurality of steel pipes 2 through a plurality of centre gripping pipes 1 that mutually support, can conveniently control the contained angle between a plurality of steel pipes 2 through setting up the angle between each centre gripping pipe 1.

The clamping pipes 1 of the two shell pipes are connected through a connecting mechanism, the clamping pipes 1 of the two shell pipes respectively clamp two sides of the steel pipe 2, a limiting plate 4 is vertically fixed on the inner wall of each clamping pipe 1, and the end part of each steel pipe 2 abuts against the end face of the limiting plate 4. Through setting up limiting plate 4 can conveniently support the tip of steel pipe 2 when the installation to be convenient for fix a position steel pipe 2.

The connecting mechanism comprises a threaded cylinder 5 and a sleeve 7, the threaded cylinder 5 and the sleeve 7 are respectively inserted into insertion holes 12 formed in two side walls of the steel pipe 2, one end of the threaded cylinder 5 and one end of the sleeve 7 are respectively fixedly connected with the inner walls of two clamping pipes 1 which are matched with each other, the threaded cylinder 5 is inserted into the sleeve 7, a through hole 8 which is coaxially arranged with the sleeve 7 is formed in the clamping pipe 1 at the joint of the sleeve 7 and the clamping pipe 1, a screw rod 6 is inserted into the through hole 8, and the screw rod 6 is in threaded fit with the threaded cylinder 5. The cooperation of a thread section of thick bamboo 5 and sleeve 7 can play the effect of fastening connection structure to protect screw rod 6, reduced the risk of screw rod rupture, and even screw rod 6 is not hard up, rely on the cooperation of thread bush 5 and sleeve 7 also can realize comparatively stable connection cooperation, realize spacing between two centre gripping pipes 1 through screw rod 6.

The one end of screw rod 6 passes through-hole 8 and end connection has spacing end 10, and the middle part of spacing end 10 is equipped with the tool groove, is equipped with the boss 9 with the coaxial setting of through-hole 8 on the outer wall of centre gripping pipe 1, and the middle part of boss 9 is equipped with mounting groove 11, and screw rod 6 passes the round hole that the boss 9 bottom set up, and spacing end 10 clamps in mounting groove 11. The tool groove is hexagonal, and mounting groove 11 is cylindrical, and spacing end 10 is cylindrical, and the outer wall of spacing end 10 and the inner wall sliding fit of mounting groove 11. The boss 9 upper cover is equipped with locking cap 3, and locking cap 3 and the outer wall threaded connection of boss 9, locking cap 3 cover the upper portion of mounting groove 11. Can conveniently carry out the dismouting to screw rod 6 through the instrument groove, mounting groove 11 is used for protecting spacing end 10, prevents not hard up of screw rod 6, can further protect spacing end 10 through installation locking cap 3, prevents not hard up of screw rod 6, improves connecting device's stability.

The working principle is as follows: carry out the centre gripping to steel pipe 2 from both sides through two shell and tube, have the advantage of making things convenient for the dismouting to set up a screw thread section of thick bamboo 5 and sleeve 7 and realized connection structure's enhancement, set up mounting groove 11 and protected locking, can realize stable connection, improve the security.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A connecting device for a building steel structure comprises two shell pipes matched in a mirror image mode, and is characterized in that the shell pipes comprise a plurality of semicircular clamping pipes (1), one ends of the clamping pipes (1) are connected together, the clamping pipes (1) of the two shell pipes are connected through a connecting mechanism, the clamping pipes (1) of the two shell pipes respectively clamp two sides of a steel pipe (2), the connecting mechanism comprises a threaded cylinder (5) and a sleeve (7), the threaded cylinder (5) and the sleeve (7) are respectively inserted into insertion holes (12) formed in two side walls of the steel pipe (2), one ends of the threaded cylinder (5) and the sleeve (7) are respectively fixedly connected with the inner walls of the two clamping pipes (1) matched with each other, the threaded cylinder (5) is inserted into the sleeve (7), a through hole (8) arranged coaxially with the sleeve (7) is formed in the clamping pipe (1) at the joint of the sleeve (7) and the clamping pipes (1), screw rod (6) are inserted into through hole (8), screw rod (6) and screw thread section of thick bamboo (5) screw-thread fit, through hole (8) and end connection have spacing end (10) are passed to the one end of screw rod (6), the middle part of spacing end (10) is equipped with the instrument groove, be equipped with boss (9) with the coaxial setting of through hole (8) on the outer wall of centre gripping pipe (1), the middle part of boss (9) is equipped with mounting groove (11), screw rod (6) pass the round hole that boss (9) bottom set up, spacing end (10) clamp in mounting groove (11).

2. The connecting device for the construction steel structure according to claim 1, characterized in that the central axes of the clamping pipes (1) are three and three mutually perpendicular.

3. The connecting device for the building steel structure according to claim 1, wherein the inner wall of the clamping pipe (1) is vertically fixed with a limiting plate (4), and the end of the steel pipe (2) is abutted against the end face of the limiting plate (4).

4. The connecting device for the building steel structure according to claim 1, wherein the tool groove is hexagonal, the mounting groove (11) is cylindrical, the limiting end (10) is cylindrical, and the outer wall of the limiting end (10) is in sliding fit with the inner wall of the mounting groove (11).

5. The connecting device for the building steel structure according to claim 1, characterized in that the boss (9) is covered with a locking cap (3), the locking cap (3) is in threaded connection with the outer wall of the boss (9), and the locking cap (3) covers the upper part of the mounting groove (11).

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