KR101423922B1 - Coupler - Google Patents

Coupler Download PDF

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Publication number
KR101423922B1
KR101423922B1 KR1020110114436A KR20110114436A KR101423922B1 KR 101423922 B1 KR101423922 B1 KR 101423922B1 KR 1020110114436 A KR1020110114436 A KR 1020110114436A KR 20110114436 A KR20110114436 A KR 20110114436A KR 101423922 B1 KR101423922 B1 KR 101423922B1
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KR
South Korea
Prior art keywords
reinforcing
nut
reinforcing bar
coupler
reinforcing bars
Prior art date
Application number
KR1020110114436A
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Korean (ko)
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KR20110134352A (en
Inventor
김성태
이재혁
명재석
Original Assignee
주식회사 대흥미래기술
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Priority to KR1020110114436A priority Critical patent/KR101423922B1/en
Publication of KR20110134352A publication Critical patent/KR20110134352A/en
Application granted granted Critical
Publication of KR101423922B1 publication Critical patent/KR101423922B1/en

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Abstract

The present invention relates to a coupler for connecting a pair of reinforcing bars to each other. More particularly, the present invention relates to a coupler for connecting a pair of reinforcing bars to each other. More specifically, Thereby assembling the blocks elastically and stably.
The present invention relates to a coupler for connecting a pair of reinforcing bars formed with threaded ends to each other, the reinforcing bars having an accommodating space portion having upper and lower openings, wherein the reinforcing bars are inserted into the accommodating / A body having a ball; A first nut disposed in the accommodation space and screwed to the reinforcing bar inserted through the reinforcing bar insertion hole to prevent the reinforcing bar from being released to the outside; A second nut disposed so as to face the outside of the body and screwed to the threaded portion of the reinforcing bar to prevent movement; And a plate-like reinforcing member disposed between the one side of the first nut and the inner surface of the body, wherein the reinforcing member is provided with an extension portion having a predetermined length extending to one side of the upper end and the lower end, And both side ends are in contact with the inner surface of the body.

Description

Coupler {Coupler}
The present invention relates to a coupler for connecting a pair of reinforcing bars to each other. More particularly, the present invention relates to a coupler for connecting a pair of reinforcing bars to each other. More specifically, Thereby assembling the blocks elastically and stably.
Generally, when reinforcing bars are used in civil engineering works, reinforcing bars and reinforcing bars must be inevitably caused due to the limitation of the length of reinforcing bars. The joining method of such reinforcing bars and reinforcing bars is a lap joint, a welded joint, a gas welded joint, or a mechanical joining method.
In the double joint method, as the diameter of the reinforcing bars increases, the joints of the reinforcing bars become unstable and mechanical properties for the joints can not be guaranteed. When the reinforcing bars are raised to the upper portion after assembly, The number of use is gradually decreasing in recent years due to a number of problems such as varying according to skill of a worker.
In addition, gas pressure-up joints and welded joints also require a longer working time compared to other operations such as gas safety, industrial safety management, fire risk and non-destructive inspection after work, The frequency of use is gradually decreasing.
Therefore, recently, a mechanical joint method of connecting two reinforcing bars by a coupler is widely used. This is because the jointing operation is relatively simple and the special equipment required for jointing is not needed, Because.
However, in the concrete structure produced by the precast method, since one side of the reinforcing bar is embedded and fixed in the inside, when the beam is connected to the beam, or when the beam disposed on both sides is connected to the beam, It is often impossible to assemble it due to errors that occur and errors that occur during construction.
In addition, there is a problem that the production cost is increased because it is required to precisely adjust the position of the reinforcing bar to prevent this.
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for adjusting a length of a reinforcing bar inserted into a receiving space by adjusting a first nut and a second nut during mechanical joining of a reinforcing bar, And to provide a coupler capable of assembling the blocks elastically and stably by increasing the strength of the coupler.
In order to accomplish the above object, the present invention provides a coupler for connecting a pair of reinforcing bars formed with threaded portions on an end side thereof, wherein the reinforcing bars are inserted into the accommodation space portion with upper and lower openings, A body having a reinforcing bar insertion hole to be protruded by a predetermined length; A first nut disposed in the accommodation space and screwed to the reinforcing bar inserted through the reinforcing bar insertion hole to prevent the reinforcing bar from being released to the outside; A second nut disposed so as to face the outside of the body and screwed to the threaded portion of the reinforcing bar to prevent movement; And a plate-like reinforcing member disposed between the one side of the first nut and the inner surface of the body, wherein the reinforcing member is provided with an extension portion having a predetermined length extending to one side of the upper end and the lower end, And both side ends are in contact with the inner surface of the body.
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According to the present invention, by adjusting the first nut and the second nut during the mechanical joining of the reinforcing bars, the length of the reinforcing bars inserted into the accommodation space can be adjusted to reduce the construction error and increase the mechanical strength by arranging the reinforcing members So that the blocks can be assembled flexibly and stably.
1 is an exploded perspective view of a coupler according to the present invention;
Figure 2 is an exploded perspective view of Figure 1;
Figure 3 is an incision in Figure 1;
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
In order to facilitate understanding of the present invention, the same reference numerals will be used to denote the same constituent elements even if they are shown in different drawings.
The coupler 100 according to the preferred embodiment of the present invention connects a pair of reinforcing bars 10 protruding from blocks and includes a body 110, a first nut 120, a second nut 130, And includes a reinforcing member 140.
1 to 3, a coupler 100 according to the present invention includes a reinforcing bar 10 inserted into a receiving space 112 of a body 110, The reinforcing bars 10 fixed to the block are connected to each other at regular intervals by adjusting the interval between the first nut 120 and the second nut 130 through the first nut 120 and the second nut 130, .
The body 110 is formed in a substantially rectangular shape and includes an accommodation space 112 having upper and lower openings for the first nut 120 and the reinforcing member 140 to be disposed therein.
The first nut 120 and the reinforcing member 140 are received from the upper portion through the accommodation space 112 when the coupler 100 is installed so that the upper and lower portions of the accommodation space 112 are opened. And is inserted into the space portion 112 side so as to be assembled with the reinforcing bars 10 inserted therein.
A reinforcing bar insertion hole 114 is formed at both sides of the body 110 so that the reinforcing bar 10 can be inserted into the block 110 so that the reinforcing bar 10 is inserted through the reinforcing bar insertion hole 114 And can be protruded by a certain length toward the accommodation space 112 side.
The first nut 120 and the second nut 130 are screwed to the screw portion 10a formed on the end side of the reinforcing bar 10 to fix the reinforcing bar 10 protruded toward the accommodation space portion 112 And is disposed on the left and right sides of the body 110 on which the reinforcing bar insertion holes 114 are formed. That is, the first nut 120 is disposed on the accommodation space 112 side and the second nut 130 is disposed on the outer side of the body 110. The first nut 120 and the second nut 130 are disposed to face the inner side surface and the outer side surface of the body respectively and are screwed to the reinforcing bar 10 to prevent the reinforcing bar 10 from flowing, The length of the reinforcing bars 10 projecting toward the side of the portion 112 is adjusted.
That is, after the second nut 130 is fastened, the first nut 120 is fastened to an end of the reinforcing bar 10 which protrudes through the reinforcing bar insertion hole 114, The length of the reinforcing bar 10 protruding toward the accommodation space 112 can be adjusted by screwing the second nut 130 screwed along the longitudinal direction of the reinforcing bar 10.
At this time, a washer is provided between the second nut 130 and the body 110 to increase the coupling force.
It is preferable that a separate reinforcing member 140 having a predetermined thickness is additionally provided between the first nut 120 and the inner surface of the body 110. The reinforcement members 140 are provided in a plate shape having a predetermined area and are arranged so as to be respectively in contact with one side of the first nut 120 and the inner side face of the body 110. Accordingly, even if a large load is applied to the reinforcing bar 10, the reinforcing member 140 is held on the inner surface of the body 110 to support the body 110, thereby preventing the body from being damaged or deformed by a strong load .
In addition, the reinforcing member 140 is preferably provided with an extended portion 142 extending inwardly at an upper end and a lower end side to increase the structural rigidity of the reinforcing member 140 itself. In addition, the extended portion 142 covers the upper and lower portions of the first nut 120 to prevent the first nut 120 from being exposed to the outside, thereby preventing the first nut 120 from being damaged by rainwater or the like.
Here, a coupling hole 143 is formed in a central region of the reinforcing member 140 so that the reinforcing bar 10 can pass through. In addition, the extension portion 142 may be formed to be in contact with the inner surface of the body 110, thereby enlarging the overall support area.
1 to 3, the pair of reinforcing bars 10 are respectively connected to a second nut 130, a reinforcing bar insertion hole (not shown) formed through the body 110, The reinforcing member 140 and the first nut 120 are sequentially connected to each other so that a pair of reinforcing bars 10 to be connected to each other are inserted into the first and second nuts 120 and 130, And are interconnected through position adjustment.
At this time, even if a pair of reinforcing bars 10 to be connected to each other are not aligned with each other due to a length, a position, or the like, the first nut 120 and the second nut 130 are rotated to adjust the position and length Thereby facilitating assembly.
The length of the reinforcing bars 10 protruding into the accommodation space 112 is adjusted by adjusting the positions of the first nut 120 and the second nut 130 coupled to the threaded portion 10a of the reinforcing bar 10, It is possible to adjust the distance even if the positions or the intervals of the reinforcing bars 10 fixed to the block do not match with each other, thereby correcting the errors generated in the manufacturing process and assembling them easily.
Even if the load is transmitted from the outside through the reinforcing bar 10 after the installation, the support member is prevented from being deformed or damaged by increasing the supporting force by the reinforcing member 140, It is possible to maintain the fastening force without loosening by the in-load.
Moreover, since all the assembling processes are connected through the simple screw connection, the process is simple, and the work can be performed in a short period of time, and a constant bonding force can be provided irrespective of the skill of the operator.
The coupler 100 according to the present invention as described above is used for interconnecting a pair of reinforcing bars, and in particular, can be used for connecting a pair of reinforcing bars projected to a block manufactured by a precast method .
While specific embodiments of the present invention have been described in detail above with reference to the drawings, it is to be understood that the invention is not to be limited to those precise embodiments. Those skilled in the art will readily appreciate that those skilled in the art can easily modify or modify the invention without departing from the spirit of the following claims. It is to be noted, however, that such simple design variations or modifications are expressly included within the scope of the present invention.
10: Rebar 10a: Screw
100: Coupler 110: Body
112: accommodation space part 114: reinforcing bar insertion hole
120: first nut 130: second nut
140: reinforcing member 141: close plate
142: extension part 143: engaging hole

Claims (3)

  1. A coupler for connecting a pair of reinforcing bars formed with threaded portions on the end side,
    A body having a housing space with upper and lower openings and a reinforcing rod insertion hole for allowing the reinforcing bars to be inserted into the accommodation space and protruding by a predetermined length;
    A first nut disposed in the accommodation space and screwed to the reinforcing bar inserted through the reinforcing bar insertion hole to prevent the reinforcing bar from being released to the outside;
    A second nut disposed so as to face the outside of the body and screwed to the threaded portion of the reinforcing bar to prevent movement; And
    And a plate-like reinforcing member disposed between the one side of the first nut and the inner side of the body,
    Wherein the reinforcing member is provided with an extension extending to one side of the reinforcing member at an upper end and a lower end of the reinforcing member, wherein both ends of the extending portion are engaged with the inner surface of the body.
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KR1020110114436A 2011-11-04 2011-11-04 Coupler KR101423922B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110114436A KR101423922B1 (en) 2011-11-04 2011-11-04 Coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110114436A KR101423922B1 (en) 2011-11-04 2011-11-04 Coupler

Publications (2)

Publication Number Publication Date
KR20110134352A KR20110134352A (en) 2011-12-14
KR101423922B1 true KR101423922B1 (en) 2014-07-29

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132656B (en) * 2013-02-19 2015-05-06 东南大学 Connecting structure for vertical reinforcement bars of prefabricated wall parts
CN105155781A (en) * 2015-09-09 2015-12-16 北京建筑大学 Reinforced connecting structure and method between precast reinforced concrete components
CN107366390A (en) * 2017-07-11 2017-11-21 应义淼 A kind of conversion connection method of reinforcing bar
CN107254912A (en) * 2017-07-11 2017-10-17 应义淼 A kind of prefabricated concrete structure connection method
CN110984478A (en) * 2019-06-28 2020-04-10 王海崴 Straight groove-shaped component connected by assembly type construction steel bars
CN111206723A (en) * 2020-03-11 2020-05-29 尉巧珍 Prefabricated component steel bar connecting structure of prefabricated building and connecting method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09268887A (en) * 1996-04-03 1997-10-14 P C Kk Connecting and fixing device for pre-fabricated concrete member
KR100996906B1 (en) * 2010-06-28 2010-11-26 (주)대흥이엔지 Coupler
KR20110096273A (en) * 2010-02-22 2011-08-30 아이에스동서 주식회사 Connector for concrete rebar

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09268887A (en) * 1996-04-03 1997-10-14 P C Kk Connecting and fixing device for pre-fabricated concrete member
KR20110096273A (en) * 2010-02-22 2011-08-30 아이에스동서 주식회사 Connector for concrete rebar
KR100996906B1 (en) * 2010-06-28 2010-11-26 (주)대흥이엔지 Coupler

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