CN212742942U

CN212742942U - Connecting device for building steel structure

Info

Publication number: CN212742942U
Application number: CN202020206481.2U
Authority: CN
Inventors: 安国庆; 董淼淼; 刘晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2021-03-19
Anticipated expiration: 2030-02-25

Abstract

The utility model provides a connecting device for a building steel structure, which relates to the field of connecting devices and solves the problems that firstly, the sealing of the connecting part at two ends can not be ensured without a protective structure, and the rainwater is easy to cause rust and necrosis after seeping; second, organic bonding of the protective seal to the joint strength cannot be achieved; thirdly, the screw hole is difficult to align at one time without a limit structure when the screw is screwed down; fourth, the problem of self-locking cannot be achieved with locking bolts. A connecting device for a construction steel structure comprises a rectangular steel pipe; and the rectangular steel pipe is sleeved with a connecting structure. The connecting structure is in a cover-shaped structure, so that the sealing property of the two connecting blocks during connection can be improved, and the tensile strength is enhanced; because the gear and the end of the elastic bolt are mutually clamped, and the gear and the elastic bolt jointly form an elastic locking structure of the fastening bolt B, the fastening bolt B can be prevented from loosening.

Description

Connecting device for building steel structure

Technical Field

The utility model belongs to the technical field of connecting device, more specifically say, in particular to connecting device for building steel construction.

Background

Along with the development of society, the development trend of green building in the building industry is more and more receiving attention, and the structure of modelling steel is a green building, has satisfied that bearing capacity is big, and numerous advantages such as material light and toughness are strong, and along with the development of the structure of modelling steel technique, the connected mode of structure of modelling steel is also diversified, generally divide into four kinds such as welding seam connection, rivet connection, bolted connection and pin joint.

Based on the above, bolt connection is the most common when connecting just before, but the following defects exist in the connection process:

at present, two sections are just connected through a plurality of bolts during connection, firstly, the sealing of the connection part at two ends can not be ensured without a protection structure, and the rainwater is easy to cause rust and necrosis after permeating; second, organic bonding of the protective seal to the joint strength cannot be achieved; thirdly, the screw hole is difficult to align at one time without a limit structure when the screw is screwed down; fourth, the locking bolt cannot achieve self-locking.

In view of the above, the present invention is to provide a connecting device for a building steel structure, which is improved in view of the conventional structure and defects, and is expected to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a connecting device for a building steel structure, which aims to solve the problems that the sealing of the connecting part at two ends can not be ensured without a protective structure, and the rainwater is easy to cause rust and necrosis after seeping; second, organic bonding of the protective seal to the joint strength cannot be achieved; thirdly, the screw hole is difficult to align at one time without a limit structure when the screw is screwed down; fourth, the problem of self-locking cannot be achieved with locking bolts.

The utility model relates to a connecting device for building steel construction's purpose and efficiency are reached by following concrete technical means:

a connecting device for a construction steel structure comprises a rectangular steel pipe; the rectangular steel pipe is sleeved with a connecting structure, and the rectangular steel pipe and the connecting structure are fixedly connected through a fastening bolt B.

Furthermore, the rectangular steel pipes comprise connecting blocks, bolt holes A and bolt holes B, the number of the rectangular steel pipes is two, the head ends of the two rectangular steel pipes are welded with the connecting blocks of a rectangular structure, and each connecting block is provided with four bolt holes A; the top end faces of the two rectangular steel pipes are respectively provided with a bolt hole B, and the connecting structure is actually connected with the two connecting blocks in an inserting manner; the connecting structure is a cover-shaped structure.

Further, connection structure includes bolt hole C, four bolt hole C have been seted up on the connection structure, and the last symmetrical welding of connection structure has the elasticity bolt of two double-heads to when closely pegging graft connection structure on two connecting blocks four bolt hole C and four bolt hole A align each other.

Further, connection structure still includes circular port and fastening bolt A, two circular ports have been seted up to connection structure top end face symmetry, and two all peg graft in the circular port and have a fastening bolt A, and when with connection structure closely pegs graft on two connecting blocks two the circular port is adjusted well with two bolt hole B each other.

Furthermore, the connecting structure further comprises a clamping groove, the connecting structure is of a concave clamping sleeve structure, the clamping groove is formed in the bottom end face of the connecting structure, and the clamping groove is of a conical structure.

Furthermore, the fastening bolts B comprise gears, the number of the fastening bolts B is four, and the gears are welded on the four fastening bolts B; the gear and the end of the elastic bolt are clamped with each other, and the gear and the elastic bolt jointly form an elastic locking structure of the fastening bolt B.

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

this device is connected fastening nature strong, sealed effectual, simple to operate and has self-locking function, specifically as follows:

firstly, the connecting structure is in a cover-shaped structure, so that the sealing property of the two connecting blocks during connection can be improved, and the tensile strength is enhanced;

secondly, the bottom end face of the connecting structure is provided with a clamping groove which is of a conical structure, so that the convenience of splicing the connecting structure and the two connecting blocks can be improved;

thirdly, when the connecting structure is tightly inserted into the two connecting blocks, the four bolt holes C and the four bolt holes A are aligned with each other, so that the fastening performance of the fastening bolt B during inserting and fixing can be improved;

fourthly, when the connecting structure is tightly inserted into the two connecting blocks, the two circular holes are aligned with the two bolt holes B, so that the convenience of aligning and screwing the fastening bolt A can be improved, and the tensile resistance of the connection of the two connecting blocks can be improved due to the threaded connection of the fastening bolt A and the bolt holes B;

fifthly, the gear and the end of the elastic bolt are mutually clamped, and the gear and the elastic bolt jointly form an elastic locking structure of the fastening bolt B, so that the fastening bolt B can be prevented from loosening.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present invention.

Fig. 3 is a schematic view of the axial split structure of the present invention.

Fig. 4 is an enlarged schematic view of the structure of fig. 3B according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a rectangular steel pipe; 101. connecting blocks; 10101. a bolt hole A; 102. a bolt hole B; 2. a connecting structure; 201. a bolt hole C; 202. an elastic bolt; 203. a circular hole; 204. fastening the bolt A; 205. a card slot; 3. fastening a bolt B; 301. a gear.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a connecting device for a building steel structure, which comprises a rectangular steel pipe 1; the rectangular steel pipe 1 is sleeved with a connecting structure 2, and the rectangular steel pipe 1 and the connecting structure 2 are fixedly connected through a fastening bolt B3.

Referring to fig. 3, the rectangular steel pipe 1 includes two connecting blocks 101, bolt holes a10101 and bolt holes B102, the two rectangular steel pipes 1 are welded to the head ends of the two rectangular steel pipes 1 respectively, and each connecting block 101 is provided with four bolt holes a 10101; the top end surfaces of the two rectangular steel pipes 1 are respectively provided with a bolt hole B102, and the connecting structure 2 is actually connected with the two connecting blocks 101 in an inserting manner; the connecting structure 2 is a cover-shaped structure, so that the sealing property and the stretching resistance when the two connecting blocks 101 are connected can be improved.

Referring to fig. 1 and 3, the connection structure 2 includes a bolt hole C201, four bolt holes C201 are opened on the connection structure 2, and two double-headed elastic bolts 202 are symmetrically welded on the connection structure 2, and when the connection structure 2 is tightly inserted into two connection blocks 101, the four bolt holes C201 and the four bolt holes a10101 are aligned with each other, so that the fastening property when the fastening bolt B3 is inserted and fixed can be improved.

Referring to fig. 1 and 3, the connection structure 2 further includes a circular hole 203 and a fastening bolt a204, two circular holes 203 are symmetrically formed on the top end surface of the connection structure 2, and one fastening bolt a204 is inserted into each of the two circular holes 203, and when the connection structure 2 is tightly inserted into the two connection blocks 101, the two circular holes 203 and the two bolt holes B102 are aligned with each other, so that convenience of the fastening bolt a204 in aligning and tightening can be improved.

Referring to fig. 3, the connection structure 2 further includes a clamping groove 205, the connection structure 2 is a concave ferrule structure, the clamping groove 205 is formed on the bottom end surface of the connection structure 2, and the clamping groove 205 is a tapered structure, so that convenience in inserting between the connection structure 2 and the two connection blocks 101 can be improved.

Referring to fig. 1 and 2, the fastening bolt B3 includes gears 301, four fastening bolts B3 are provided, and each of the four fastening bolts B3 is welded with one gear 301; the gear 301 and the elastic bolt 202 are clamped with each other at the head end, and the gear 301 and the elastic bolt 202 together form an elastic locking structure of the fastening bolt B3, so that the fastening bolt B3 can be prevented from loosening.

The specific use mode and function of the embodiment are as follows:

when the connecting structure is used, the two rectangular steel pipes 1 are aligned firstly, and then the connecting structure 2 is tightly inserted into the connecting blocks 101 of the two rectangular steel pipes 1, at the moment, the first connecting structure 2 is in a cover-shaped structure, so that the sealing property of the two connecting blocks 101 during connection can be improved; secondly, the bottom end face of the connecting structure 2 is provided with the clamping groove 205, and the clamping groove 205 is of a conical structure, so that the convenience of splicing the connecting structure 2 and the two connecting blocks 101 can be improved; thirdly, when the connecting structure 2 is tightly inserted into two connecting blocks 101, the four bolt holes C201 and the four bolt holes a10101 are aligned with each other, so that the fastening performance of the fastening bolt B3 during insertion and fixation can be improved; fourthly, when the connecting structure 2 is tightly inserted into the two connecting blocks 101, the two circular holes 203 are aligned with the two bolt holes B102, so that the convenience of aligning and screwing the fastening bolts a204 can be improved, and the tensile resistance of the connection of the two connecting blocks 101 can be improved due to the threaded connection of the fastening bolts a204 and the bolt holes B102; fifthly, the gear 301 and the end of the elastic bolt 202 are clamped with each other, and the gear 301 and the elastic bolt 202 together form an elastic locking structure of the fastening bolt B3, so that the fastening bolt B3 can be prevented from loosening.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a connecting device for building steel construction which characterized in that: comprises a rectangular steel pipe (1); the rectangular steel pipe (1) is sleeved with a connecting structure (2), and the rectangular steel pipe (1) and the connecting structure (2) are fixedly connected through a fastening bolt B (3); the rectangular steel pipes (1) comprise connecting blocks (101), bolt holes A (10101) and bolt holes B (102), the number of the rectangular steel pipes (1) is two, the connecting blocks (101) of a rectangular structure are welded at the head ends of the two rectangular steel pipes (1), and four bolt holes A (10101) are formed in each connecting block (101); the top end faces of the two rectangular steel pipes (1) are respectively provided with a bolt hole B (102), and the connecting structure (2) is actually connected with the two connecting blocks (101) in an inserting manner; the connecting structure (2) is of a cover-shaped structure.

2. The connecting device for the construction steel structure as set forth in claim 1, wherein: connection structure (2) include bolt hole C (201), four bolt hole C (201) have been seted up on connection structure (2), and the symmetrical welding has two double-ended elasticity bolt (202) on connection structure (2) to when closely pegging graft connection structure (2) on two connecting blocks (101) four bolt hole C (201) and four bolt hole A (10101) are adjusted well each other.

3. The connecting device for the construction steel structure as set forth in claim 1, wherein: the connecting structure (2) further comprises a circular hole (203) and a fastening bolt A (204), two circular holes (203) are symmetrically formed in the top end face of the connecting structure (2), one fastening bolt A (204) is inserted into each circular hole (203), and the two circular holes (203) and the two bolt holes B (102) are aligned with each other when the connecting structure (2) is tightly inserted into the two connecting blocks (101).

4. The connecting device for the construction steel structure as set forth in claim 1, wherein: the connecting structure (2) further comprises a clamping groove (205), the connecting structure (2) is of a concave clamping sleeve structure, the clamping groove (205) is formed in the bottom end face of the connecting structure (2), and the clamping groove (205) is of a conical structure.

5. The connecting device for the construction steel structure as set forth in claim 1, wherein: the fastening bolts B (3) comprise gears (301), four fastening bolts B (3) are arranged, and one gear (301) is welded on each of the four fastening bolts B (3); gear (301) and elasticity bolt (202) head end joint each other, and gear (301) and elasticity bolt (202) have constituteed the elasticity shutting structure of fastening bolt B (3) jointly.