CN210887785U

CN210887785U - Self-locking and self-tightening type deviation steel bar connector

Info

Publication number: CN210887785U
Application number: CN201920911499.XU
Authority: CN
Inventors: 郭卓明
Original assignee: Shanghai Yipin Lilian Construction Technology Co ltd
Current assignee: Shanghai Yipin Lilian Construction Technology Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-06-30
Anticipated expiration: 2029-06-18

Abstract

A self-locking and self-tightening type deviation steel bar connector is provided, wherein a first steel bar and a second steel bar with deviation are connected, and the first steel bar and the second steel bar comprise sawtooth clamping pieces, spring hoops, balls, connecting sleeves, first end anchor plates, second end anchor plates and inhaul cables; the connecting sleeve is connected with the first end anchor plate and the second end anchor plate, and the second end anchor plate is connected with the first reinforcing steel bar; the sawtooth clamping piece, the spring hoop and the ball are arranged in the connecting sleeve, the spring hoop restrains the sawtooth fine piece to form an anchoring ring, the ball is arranged between the sawtooth clamping piece and the second end anchor plate, and the anchoring ring surrounded by the sawtooth clamping piece anchors two end parts of the reinforcing steel bar; the connecting sleeve is provided with a guy cable, the guy cable is pulled outside, the connecting sleeve and the rotary motion are carried out, and the connector is gradually compressed to achieve complete connection. The utility model discloses a quick connection of pre-buried deviation reinforcing bar, the overall dimension is little, and application scope is wide.

Description

Self-locking and self-tightening type deviation steel bar connector

Technical Field

The utility model relates to a connection technical field of reinforcing bar, in particular to auto-lock self-tightening formula deviation connector for reinforcement.

Background

Prefabricated assembly building and reinforcing bar modularization construction are more and more common in the current engineering construction field, and the component prefabrication of separation and reinforcing bar modularization make the processing preparation of reinforcing bar have certain error certainly, and how safe and reliable will have the effective butt joint of reinforcing bar of construction deviation to be the key place of assembly type building always.

In order to solve the problem of connecting the steel bars of the concrete structure assembly building, two modes of wet connection and dry connection are generally used at present; in the wet connection scheme, except for cast-in-place joints of steel bars adopting an overlapping method, the most extensive forms are grouting sleeves, slurry anchor overlapping and the like, and the connection modes generally have the defects of strong construction concealment, difficult quality control, lack of reliable detection methods and detection standards and the like; the other dry connection mode mainly refers to bolt connection, and the bolt connection requires an operation space for installing and fastening a bolt, so that the operation space not only greatly reduces the concrete connection area at the joint position and weakens the connection strength, but also ensures that the bolt connection is only suitable for the connection of surface steel bars of a member, and the application range is quite narrow.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model provides a self-locking self-tightening formula deviation connector for reinforcement realizes the high-speed joint of deviation embedded bar among prefabricated component or the construction of modularization reinforcing bar, has especially realized burying the mechanical connection at the inside deviation reinforcing bar of component deeply.

In order to realize the purpose, the utility model discloses a self-locking and self-tightening type deviation steel bar connector, which realizes the quick connection of pre-buried deviation steel bars; comprises at least a multi-petal sawtooth clamping piece, an elastic restraint piece, a connecting sleeve, a first end anchor plate and a second end anchor plate.

One end of the connecting sleeve is connected with the end anchor plate, and the other end of the connecting sleeve is connected with the end anchor plate; the connecting sleeve is internally provided with the multi-petal type sawtooth clamping piece and the radial elastic constraining piece, the multi-petal type sawtooth clamping piece forms a sawtooth anchoring sleeve in the annular direction, and the radial elastic constraining piece radially constrains the multi-petal type sawtooth clamping piece; the sawtooth anchoring ring and the radial elastic restraint piece which are surrounded by the multi-petal sawtooth clamping pieces are arranged between the first end anchor plate and the second end anchor plate in the axis direction.

A hole channel is arranged in the middle of the first end anchor plate, the diameter of the hole channel is larger than that of the second reinforcing steel bar, the second reinforcing steel bar penetrates through the hole channel, the inner side of the multi-petal sawtooth clamping piece is provided with annular grains or threads, the end part of the second reinforcing steel bar is provided with the annular grains or the threads matched with the multi-petal sawtooth clamping piece, and a sawtooth anchoring sleeve pipe surrounded by the multi-petal sawtooth clamping piece is tightly connected with the second reinforcing steel bar; and the second end anchor plate is connected with the first reinforcing steel bar.

Preferably, a spherical base plate is arranged between the first end anchor plate and the multi-petal type sawtooth clamping piece, a base plate pore passage is arranged in the middle of the spherical base plate, and the diameter of the base plate pore passage is larger than the diameter of the two reinforcing steel bars.

Preferably, the connecting sleeve is connected with the first end anchor plate through a thread pair, and the connecting sleeve is connected with the second end anchor plate through a thread pair; the second end anchor plate is connected with the first reinforcing steel bar through a thread pair; a first annular groove is formed in the side face of the multi-petal type sawtooth clamping piece, and the radial elastic restraint piece is arranged in the first annular groove; the radial elastic restraint is an annular spring band.

Preferably, a plurality of first lower concave holes are formed in the end surface of the multi-petal type sawtooth clamping piece, which is close to one side of the second end anchor plate, and a ball is arranged in each first lower concave hole; the ball increases the lubricity of the transverse movement of the multi-petal type sawtooth clamping piece, so that the transverse movement of the multi-petal type sawtooth clamping piece is smoother.

Preferably, a second lower concave hole is formed in the end part of the connecting sleeve, and a second annular groove is formed in the outer wall of the connecting sleeve; a tension piece is arranged in the second annular groove in a surrounding mode, a tension piece fixer is arranged on the tension piece, the shape of the tension piece fixer is matched with that of the first lower concave hole at the end part of the connecting sleeve, and the tension piece fixer is arranged in the first lower concave hole; after the connector is butted, the inhaul cable is pulled in any area outside, the connecting sleeve rotates gradually, and the whole connector is tensioned.

Preferably, the tension member is a steel wire rope; the tension piece fixer is formed by metal casting or pressing a metal sleeve on the tension piece.

The utility model discloses effectively solved the connection difficult problem of embedded bar in the structure of assembling, and overall size is little, and connection efficiency is high, has reduced the material quantity for construction speed, applicable occasion is more extensive.

Drawings

FIG. 1: and splicing the self-locking and self-tightening deviation steel bar connector.

FIG. 2 is a drawing: and splicing the back picture of the self-locking and self-tightening deviation steel bar connector.

FIG. 3: semi-assembled drawing of self-locking self-tightening deviation steel bar connector.

Detailed Description

Example 1.

As shown in fig. 1-3, the utility model discloses a concrete embodiment, connecting reinforcement 9 and two 10 of reinforcing bar, its characterized in that: contains multi-section formula sawtooth clamping piece 1, spring band 2, ball 3, adapter sleeve 4, first end anchor slab 5, second end anchor slab 6, sphere backing plate 7 and cable 8.

One end of the connecting sleeve 4 is connected with the end anchor plate 5, and the other end of the connecting sleeve 4 is connected with the end anchor plate 6; a multi-petal type sawtooth clamping piece 1 and a spring hoop 2 are arranged in the connecting sleeve 4, the multi-petal type sawtooth clamping piece 1 forms a sawtooth anchoring sleeve in the annular direction, and the spring hoop 2 radially restrains the multi-petal type sawtooth clamping piece 1; the sawtooth anchoring ring and the radial elastic restraint piece 1 which are enclosed by the multi-petal sawtooth clamping pieces 1 are arranged between the first end anchor plate 5 and the second end anchor plate 6 in the axis direction.

A first annular groove 102 is formed in the side face of the multi-petal type sawtooth clamping piece 1, and a spring band 2 is arranged in the first annular groove 102; the multi-petal sawtooth clamping piece 1 is provided with a plurality of first lower concave holes 101 close to the end surface of one side of the second end anchor plate 6, and a ball 3 is arranged in each first lower concave hole 101.

The middle of the first end anchor plate 5 is provided with a hole 501, the diameter of the hole 501 is larger than that of the second reinforcing steel bar 10, the second reinforcing steel bar 10 penetrates through the hole 501, the inner side of the multi-petal type sawtooth clamping piece 1 is provided with annular grains or threads, the end part of the second reinforcing steel bar 10 is provided with the annular grains or the threads matched with the multi-petal type sawtooth clamping piece 1, and a sawtooth anchoring sleeve surrounded by the multi-petal type sawtooth clamping piece 1 is tightly connected with the second reinforcing steel bar 10; the second end anchor plate 6 is connected with a first reinforcing steel bar 9.

A spherical base plate 7 is arranged between the first end anchor plate 5 and the multi-petal type sawtooth clamping piece 1, a base plate pore passage 701 is arranged in the middle of the spherical base plate 7, and the diameter of the base plate pore passage 701 is larger than that of the second reinforcing steel bar 10; the second reinforcement bar 10 passes through the pad plate hole 701.

A second lower concave hole 401 is formed at the end part of the connecting sleeve 4, and a second annular groove 402 is formed in the outer wall of the connecting sleeve 4; the tension piece 8 is arranged in the second circumferential groove 402 in a surrounding mode, the tension piece 8 is provided with a tension piece fixer 801, the shape of the tension piece fixer 801 is matched with that of a first lower concave hole 401 at the end portion of the connecting sleeve 4, and the tension piece fixer 801 is arranged in the first lower concave hole 401.

When the connector is completely butted, the inhaul cable 8 is pulled in any area outside, the connecting sleeve 4 rotates gradually, and the whole connector is tensioned.

Preferred embodiments of the present invention have been described above in detail; it is understood that numerous modifications and variations can be made by those skilled in the art in light of the teaching of the present invention, which can be varied in combination to produce a number of preferred embodiments; therefore, the technical solutions available to a person skilled in the art through logical analysis, reasoning or limited experimentation on the basis of the prior art according to the inventive concepts are intended to be within the scope of protection defined by the claims.

Claims

1. The utility model provides a self-locking self-clinching formula deviation connector, connecting reinforcement one (9) and two (10) of reinforcing bar, its characterized in that: comprises at least a multi-petal type sawtooth clamping piece (1), an elastic restraint piece (2), a connecting sleeve (4), a first end anchor plate (5) and a second end anchor plate (6);

one end of the connecting sleeve (4) is connected with the end anchor plate (5), and the other end of the connecting sleeve (4) is connected with the end anchor plate (6); the multi-petal type sawtooth clamping pieces (1) and the elastic constraining pieces (2) are arranged in the connecting sleeve (4), the multi-petal type sawtooth clamping pieces (1) form a sawtooth anchoring sleeve in the annular direction, and the elastic constraining pieces (2) radially constrain the multi-petal type sawtooth clamping pieces (1); a sawtooth anchoring ring and the elastic restraint piece (2) which are surrounded by the multi-petal sawtooth clamping pieces (1) are arranged between the first end anchor plate (5) and the second end anchor plate (6) in the axis direction;

a hole (501) is formed in the middle of the first end anchor plate (5), the diameter of the hole (501) is larger than that of the second steel bar (10), the second steel bar (10) penetrates through the hole (501), annular grains or threads are arranged on the inner side of the multi-petal sawtooth clamping piece (1), the end part of the second steel bar (10) is provided with the annular grains or threads matched with the multi-petal sawtooth clamping piece (1), and a sawtooth anchoring sleeve surrounded by the multi-petal sawtooth clamping piece (1) is clamped and connected with the second steel bar (10); and the second end anchor plate (6) is connected with the first reinforcing steel bar (9).

2. The self-locking and self-tightening type deviation steel bar connector according to claim 1, wherein a spherical base plate (7) is arranged between the first end anchor plate (5) and the multi-petal type sawtooth clamping piece (1), a base plate hole passage (701) is arranged in the middle of the spherical base plate (7), and the diameter of the base plate hole passage (701) is larger than that of the second steel bar (10).

3. The self-locking and self-tightening type deviation reinforcing steel bar connector according to claim 1, wherein the connecting sleeve (4) is connected with the first end anchor plate (5) in a thread pair, and the connecting sleeve (4) is connected with the second end anchor plate (6) in a thread pair; the second end anchor plate (6) is connected with the first reinforcing steel bar (9) through a thread pair; a first annular groove (102) is formed in the side face of the multi-petal type sawtooth clamping piece (1), and the elastic restraint piece (2) is arranged in the first annular groove (102); the elastic restraint part (2) is an annular spring band.