WO2018079941A1 - Rebar connecting coupler and method for manufacturing same - Google Patents
Rebar connecting coupler and method for manufacturing same Download PDFInfo
- Publication number
- WO2018079941A1 WO2018079941A1 PCT/KR2017/000063 KR2017000063W WO2018079941A1 WO 2018079941 A1 WO2018079941 A1 WO 2018079941A1 KR 2017000063 W KR2017000063 W KR 2017000063W WO 2018079941 A1 WO2018079941 A1 WO 2018079941A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coupler
- sleeve
- fastener
- hollow
- guide
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 8
- 239000000057 synthetic resin Substances 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 37
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 5
- 241000282472 Canis lupus familiaris Species 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 239000000945 filler Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000037237 body shape Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
Definitions
- the present invention relates to a coupler for reinforcing bars used to join a pair of reinforcing bars in civil engineering or construction sites, and a method of manufacturing the same.
- couplers are used to connect round bar-shaped members such as reinforcing bars or pipes in civil engineering or construction sites.
- This prior art includes a sleeve having both ends formed in Patent Registration Publication No. 1519471, the hollow having a tapered portion gradually increasing inwardly in the axial direction toward the inlet portion into which the rebar is inserted;
- a base member installed inside the hollow part of the sleeve; Is installed inside the hollow portion of the sleeve, the outer surface is inclined at an angle corresponding to the tapered portion of the sleeve is connected to the tapered portion, a plurality of locking projections are formed on the inner surface is supported while the bar of the bar is caught A locking piece;
- An elastic member installed between the locking piece and the base member to impart an elastic force to the locking piece in the axial direction with respect to the base member;
- the high strength one-touch rebar coupler is fixedly installed on the base member and is disposed between each side of the locking piece and includes a plurality of variable guides that are elastically deformed in response to a change in distance between the locking pieces. It is open.
- Another prior art is a rebar coupler that can accommodate a deformed rebar from the side to connect the connecting ends of the two deformed bars in a linear direction in Korean Patent No. 0973437, wherein the rebar coupler is inserted into the deformed rebar
- a coupler body for forming two bond bars A plurality of coupler locks slidingly coupled to the coupler body to hold the bar of the deformed rebar to prevent the deformed rebar from falling out;
- a spring of the same quantity as the coupler lock having one side inserted into the coupler body and the other side inserted into the coupler lock to elastically couple the coupler lock to the coupler body;
- the deformed reinforcement is inserted into the coupler body is inserted into the coupler lock to prevent the deformed reinforcement shakes from side to side when it does not fall out of the coupler housing is composed of a
- the coupler lock is provided with a tooth that is inclined in one direction so that it can be easily inserted when the node of the deformed bar is inserted in the longitudinal direction and can be caught when it is pulled out, a second insertion hole of the spring into which the spring is inserted, and the lock installation jaw.
- a lock installation protrusion is formed, and the coupler housing is separated into a mail housing and a female housing in which the coupler body and the coupler lock are inserted therein, and the mail housing and the female housing are inserted into a socket type to be coupled or
- the same shape is separated and welded to each other externally coupled to each other, the same hollow as the outer shape of the coupler body so that the coupler body can be inserted into the mail housing, the reinforcing bar insertion portion is inserted into the deformed reinforcement, and A female insert portion into which a female housing is inserted, the coupler body and the retainer Drop prevention jaw is formed to prevent the fall from the outside,
- the female housing is the same hollow as the outer shape of the coupler body so that the coupler body can be inserted therein, and the reinforcement insertion portion is inserted into the deformed reinforcement
- a one-touch rebar coupler having a structure in which a socket part into which the mail housing is inserted, and a drop prevention jaw for preventing the coupler body and
- the conventional coupler has a disadvantage in that the structure is not easy to manufacture due to the complicated structure, the manufacturing time and the manufacturing cost are high, and the fastening work time is long.
- the present invention has been made to solve the above-mentioned problems, it is to provide a coupler for reinforcing bar joints that can be simple to manufacture, easy to manufacture, low manufacturing cost, shortening the fastening work connecting the reinforcing bars.
- the coupler for reinforcing bar joint is fastened to both ends of the hollow body-shaped body in which the thread is formed on the outer circumference, respectively, and the fastening nut of the hollow body having the thread is formed on the inner circumference, and the inside of the tightening nut is both ends.
- hollow fastening holes corresponding to the inner diameter of the fastening nuts are inserted into the two fastening nuts of the body, and the hollows of the fastening nuts and the fastening holes are formed by screwing the body and the fastening nuts. It is characterized by tightening reinforcing bars inserted alone.
- a coupler for reinforcing bar joints in which a hollow fastener is inserted into the inside of the screwed tightening nut
- the fastener has a plurality of guide grooves formed along the circumferential direction of the sleeve is formed in the sleeve of the hollow body shape that the outer diameter becomes smaller toward both ends in the circumferential direction of the sleeve, the guide groove has a smaller diameter of both ends of the sleeve
- the side is opened, and the locking member is inserted into the guide groove
- the locking member is composed of a plate of metal material having a tooth-shaped locking jaw formed on one surface thereof, and a guide part of synthetic resin material integrally formed on both sides of the plate, wherein the locking member is manufactured by insert injection. .
- Rebar coupler of the present invention has a remarkable effect, such as simple structure, easy production, low manufacturing cost, shortening the fastening work connecting the reinforcing bars.
- FIG. 1 is an exploded perspective view of the present invention reinforcing bar coupler.
- Figure 2 is a state diagram using the present invention reinforcing bar coupler.
- Figure 3 is a cross-sectional view of the present invention reinforcing bar coupler.
- Figure 4 is a perspective view of the fastener coupling of the present invention reinforced coupler.
- Figure 5 is an exploded perspective view of the fastener opening of the present invention reinforcing bar coupler.
- Figure 6 is an exemplary view showing various embodiments of the sawtooth shape formed in the engaging member of the coupler for reinforcing bars of the present invention.
- FIG. 7 is a cross-sectional view according to another embodiment of the present invention reinforced coupler.
- Figure 8 is a state of use according to another embodiment of the present invention reinforced coupler.
- the coupler for reinforcing bar joint 100 is fastened to the both ends of the hollow body-shaped body 110, the thread is formed on the outer periphery of the hollow body-shaped tightening nut 120, the thread is formed on the inner periphery, respectively.
- the inner diameter of the tightening nut 120 becomes smaller toward both ends, and the hollow body shape corresponding to the inner diameter of the tightening nut 120 is formed inside both tightening nuts 120 of the body 110.
- the fastener 130 is inserted to tighten the reinforcement 200 inserted into the hollow hole of the fastener nut 120 and the fastener 130 by screwing the body 110 and the fastener nut 120.
- the fastener 130 has a guide groove 132 formed along the longitudinal direction of the sleeve 131 in the hollow body-shaped sleeve 131, the outer diameter is reduced toward both ends is the circumferential direction of the sleeve 131 A plurality of the guide grooves 132 are formed in the guide grooves 132.
- the guide grooves 132 have smaller diameters at both ends of the sleeve 131, and the locking member 133 is inserted into the guide grooves 132.
- the inside of the 133 is characterized in that the sawtooth engaging jaw 133 is formed along the longitudinal direction of the guide 133.
- the hollow body-shaped body 110 the thread is formed on the outer circumference of the present invention, and screwed to both ends of the body 110, the inner circumference is a hollow body-shaped tightening nut formed to become smaller inner diameter toward both ends ( In the 120 and the method of manufacturing a coupler for reinforcing bars in which a hollow fastener 130 is inserted into the fastening nut 120 screwed to both ends of the body 110,
- the fastener 130 has a guide groove 132 formed along a lengthwise direction of the sleeve 131 in a hollow body-shaped sleeve 131 having a smaller outer diameter toward both ends along the circumferential direction of the sleeve 131.
- a plurality of dogs are formed, and the guide groove 132 has a small diameter of the both ends of the sleeve 131 is opened, the locking member 133 is inserted into the guide groove 132,
- the locking member 133 is a guide plate made of a synthetic resin material integrally formed on both surfaces of the plate material 133-1 of the metal material having the sawtooth-shaped locking jaw 134 formed on one surface thereof. It is made of (133-2), characterized in that the locking member 133 is produced by insert injection.
- the sleeve 131 may be manufactured by an injection process.
- FIG. 1 is an exploded perspective view of the present invention reinforcing bar coupler
- FIG. 2 is a state diagram of the present invention using a coupler for reinforcing bar connections
- FIG. 1 is an exploded perspective view of the present invention reinforcing bar coupler
- FIG. 2 is a state diagram of the present invention using a coupler for reinforcing bar connections
- FIG. 1 is an exploded perspective view of the present invention reinforcing bar coupler
- FIG. 2 is a state diagram of the present invention using a coupler for reinforcing bar connections
- the present invention reinforcing bar coupler (100) is used to connect a pair of reinforcing bars to each other in civil engineering or construction sites, etc., the hollow body-shaped body 110 is formed on the outer periphery, and the body 110 Fastening nut 120 of the hollow shape having a thread formed on the inner circumference to be coupled to both ends of the) and the fastener 130 is inserted into the inner side of the fastening nut 120 of both sides of the body 110 It is characterized by.
- the inside of the tightening nut 120 is formed to decrease the inner diameter toward both ends
- the tightening hole 130 is formed so that the outer diameter is smaller toward both ends so as to correspond to the inner diameter of the tightening nut 120 is have.
- the fastener 130 is a guide groove 132 formed along the longitudinal direction of the sleeve 131 in the sleeve 131 of the hollow body shape that the outer diameter is reduced toward both ends is the circumferential direction of the sleeve 131
- the plurality of guide grooves 132 are formed along the side of the sleeve 131, and the guide groove 132 has a smaller diameter side opening.
- the locking member 133 is inserted into the guide groove 132.
- a toothed locking jaw 133-3 is formed inside the locking member 133 along the longitudinal direction of the locking member 133.
- the serrated engaging jaw 133-3 protrudes to the outside of the guide groove 132 to firmly hold the ribs protruding from the outer periphery of the rebar 200 inserted through the hollow hole of the fastener 130. It becomes possible.
- the locking member 133 is formed of a metal plate member 133-1 having a sawtooth engaging jaw 133-3 formed on one surface thereof, and a synthetic resin material integrally formed on both sides of the plate member 133-2. It consists of a guide portion 133-2, characterized in that the locking member 133 is produced by insert injection.
- the sleeve 131 may be manufactured by an injection process.
- a spring 140 is mounted between the body 110 and the fastener 130.
- the tightening nut 120 After inserting the reinforcement 200 into the hollow hole of the tightening nut 120 and the fastener 130, and rotating the tightening nut 120 screwed to the body 110, the tightening nut 120
- the inner portion of the inner diameter is formed to be smaller toward both ends
- the tightening hole 130 is the diameter of the outer diameter is smaller toward both ends so as to correspond to the inner diameter of the tightening nut 120
- the tightening hole 130 is The inner diameter of the is to be tightened to the outer surface of the reinforcement 200 is inserted into the hollow hole.
- the inner surface of the locking member 133 of the fastener 130 is formed with a saw-shaped locking jaw 133-3, to firmly hold the rib formed in the outer periphery of the reinforcement 200. .
- the reinforcement 200 can be more firmly fixed by the restoring force of the spring 140 is mounted between the body 110 and the fastener 130.
- the spring 140 may be mounted between the body 110 and the fastener 130, and a plurality of springs 140 may be mounted to correspond to the plurality of locking members 133, respectively.
- one end of the locking member 133 is formed with a protrusion (not shown) toward the spring 140, the protrusion is inserted into the hollow hole of the spring 140, the spring 140 and the locking member 133 It is possible to prevent departure from the liver.
- a plurality of protrusions are formed at the end of the body 110 toward the spring 140 so that the spring 140 is not separated between the body 110 and the fastener 130.
- Figure 4 is a perspective view of the coupler coupling of the present invention reinforcing bar coupler
- Figure 5 is an exploded perspective view of the coupler of the present invention reinforcing bar coupler.
- the guide groove 132 of the fastener 130 is formed in a circular shape when viewed from both sides in the longitudinal direction, the locking member 133 is inserted into the guide groove 132 ) Is formed in the shape of a round bar.
- the locking member 133 is a metal plate member 133-1 having a toothed locking jaw 133-3 formed on one surface thereof, and a guide made of synthetic resin material on both sides of the plate member 133-2. It consists of a part 133-2.
- the locking member 133 is made of a metal material by insert injection, press-process the metal plate 133-1 of the metal material to form a sawtooth engaging jaw (133-3) on one side. .
- the locking step (133-3) to use the SKD is preferably the locking step (133-3) to use the SKD.
- the plate 133-1 on which the catching jaw 133-3 is formed, is injected into a mold for forming the catching member 133, the guide portions 133 of the synthetic resin material are formed on both sides of the plate 133-1. -2) is formed.
- the engaging member 133 inserted into the guide groove 132 is formed in the shape of a round bar.
- the locking step (133-3) is made to form a saw tooth on one surface of a metal plate by a pressing process, and then to be manufactured by insert injection into the locking member 133.
- the sleeve 131 is to be manufactured by an injection process.
- Figure 6 is an exemplary view showing various embodiments of the sawtooth shape formed on the engaging member of the coupler for reinforcing bars of the present invention.
- the sawtooth shape formed on the engaging member 133 may be formed in various shapes as shown in FIG. 6.
- Figure 7 is a cross-sectional view according to another embodiment of the present invention reinforcing bar coupler
- Figure 8 is a state diagram used in accordance with another embodiment of the present invention reinforcing bar coupler.
- an inlet 111 is formed at the bottom surface of the body 110, and an outlet 112 is formed at an outer circumference thereof, and between the inlet 111 and the outlet 112. As a space communicating with each other, a communication hole 113 is formed.
- the communication hole 113 is filled with the filler 300 of the elastic material as described above, the filler 300 protrudes more than the inlet 111 on the inlet 111 formed on the bottom surface of the body 110. It is filled to make sure.
- the filler 300 is inserted into the communication hole 113 and a part of the filler 300 is exit 112. By protruding to the outside through the worker can check whether the rebar 200 is inserted completely.
- the filling material of the elastic material may be used a soft synthetic resin or synthetic rubber, it may also use a gel type material.
- the filler 300 is made of a fluorescent material it is possible to easily check the filler 300 protruding through the outlet 112 of the body 110 in the dark.
- the inlet 111 formed on the bottom surface of the body 110, the inclined surface is formed so that the diameter becomes smaller toward the depth direction, the filling material 300 is pressed by the end of the rebar 200 through the outlet 111 It was to be easily inserted into the communication hole (113).
- Rebar coupler of the present invention has a remarkable effect, such as simple structure, easy production, low manufacturing cost, shortening the fastening work connecting the reinforcing bars.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The present invention relates to a rebar connecting coupler and a method for manufacturing the same, the rebar connecting coupler comprising: a body having the shape of a hollow body having a thread formed on the outer peripheral edge thereof so as to connect a pair of rebars to each other at a construction site; and fastening nuts having the shape of hollow bodies, which are screw-coupled to both ends of the body, respectively, and which have inner peripheral edges formed such that the inner diameters thereof decrease toward both ends thereof, wherein fasteners having the shape of hollow bodies are inserted into the fastening nuts that are screw-coupled to both ends of the body, respectively. More particularly, the present invention relates to a rebar connecting coupler and a method for manufacturing the same, characterized in that the fasteners are sleeves having the shape of hollow bodies, the outer diameters of which decrease toward both ends thereof, and which have a plurality of guide grooves formed along the circumferential direction of the sleeves and elongated in the longitudinal direction of the sleeves; the guide grooves have openings near one of both ends of the sleeves, which has a smaller diameter; engaging members are inserted into the guide grooves, respectively; each engaging member comprises a plate member which is made of a metal material, and which has engaging ledges formed on a surface thereof in the shape of sawteeth, and guide portions made of a synthetic resin material and integrally formed on both surfaces of the plate member; and the engaging members are manufactured through insert injection. The rebar connecting coupler according to the present invention is noticeably advantageous in that the same has a simple structure and thus is easy to manufacture, the same requires little manufacturing costs, and the fastening work time needed to connect rebars can be shortened.
Description
본 발명은 토목 또는 건설현장에서 한 쌍의 철근을 잇기 위해 사용되는 철근 이음용 커플러 및 그 제작방법에 관한 것이다.The present invention relates to a coupler for reinforcing bars used to join a pair of reinforcing bars in civil engineering or construction sites, and a method of manufacturing the same.
일반적으로 커플러는 토목 또는 건설현장에서 철근 또는 파이프와 같이 환봉 형상의 부재를 잇기 위해 사용되는 것이다.In general, couplers are used to connect round bar-shaped members such as reinforcing bars or pipes in civil engineering or construction sites.
이러한 종래기술로는 특허등록공보 제1519471호에 양단부가 개방되게 형성되되, 철근이 삽입되는 입구 부분에 축방향 내측으로 갈수록 점진적으로 내경이 커지는 테이퍼부를 갖는 중공부가 형성된 슬리브와; 상기 슬리브의 중공부 내측에 설치되는 베이스부재와; 상기 슬리브의 중공부 내측에 설치되며, 외면이 상기 슬리브의 테이퍼부와 대응하는 각도로 경사지게 형성되어 테이퍼부와 연접하고, 내면에 철근의 마디가 걸리면서 지지되는 복수개의 록킹돌기가 형성되어 있는 복수개의 록킹편체와; 상기 록킹편체와 베이스부재 사이에 설치되어 베이스부재에 대해 록킹편체에 축방향 외측으로 탄성력을 부여하는 탄성부재와; 상기 베이스부재에 고정되게 설치되며, 상기 록킹편체의 각 측면의 사이사이에 배치되어 록킹편체 간의 간격 변화에 대응하여 탄성 변형되는 복수개의 가변형 가이드를 포함하는 것을 특징으로 하는 고강도 원터치식 철근 커플러가 등록공개되어 있다.This prior art includes a sleeve having both ends formed in Patent Registration Publication No. 1519471, the hollow having a tapered portion gradually increasing inwardly in the axial direction toward the inlet portion into which the rebar is inserted; A base member installed inside the hollow part of the sleeve; Is installed inside the hollow portion of the sleeve, the outer surface is inclined at an angle corresponding to the tapered portion of the sleeve is connected to the tapered portion, a plurality of locking projections are formed on the inner surface is supported while the bar of the bar is caught A locking piece; An elastic member installed between the locking piece and the base member to impart an elastic force to the locking piece in the axial direction with respect to the base member; The high strength one-touch rebar coupler is fixedly installed on the base member and is disposed between each side of the locking piece and includes a plurality of variable guides that are elastically deformed in response to a change in distance between the locking pieces. It is open.
또 다른 종래기술로는 등록특허공보 제0973437호에 2개의 이형철근의 연결단부를 직선 방향으로 연결하기 위해 측방에서 이형철근을 수용할 수 있는 철근 커플러에 있어서, 상기 철근 커플러는 상기 이형철근이 삽입되어 2개의 철근이 결합 형태를 이루게 하는 커플러 바디와; 상기 커플러 바디에 슬라이딩 결합되어 상기 이형철근의 마디를 잡아주어 상기 이형철근이 빠지는 것을 방지하는 다수 개의 커플러 락과; 상기 커플러 바디에 일측이 삽입되고 타측이 상기 커플러 락에 삽입되어 상기 커플러 락이 상기 커플러 바디에서 슬라이딩되게 탄성을 주는 상기 커플러 락과 같은 수량의 스프링과; 상기 커플러 바디와 상기 커플러 락이 내부에 삽입되어 상기 커플러 락이 이탈되지 않도록 상기 커플러 바디를 완전히 감싸는 커플러 하우징과; 상기 이형철근이 상기 커플러 바디에 삽입되어 상기 커플러 락에 걸려 빠지지 않을 때 상기 이형철근이 좌우로 흔들리는 것을 방지하는 역할을 하기 위해 상기 커플러 하우징의 내부에 설치되는 리테이너로 구성되며, 상기 커플러 바디는 원추기둥 형상이고, 상기 커플러 바디에는 중앙에 상기 이형철근이 삽입되는 철근삽입중공과, 원주에서 길이 방향으로 상기 커플러 락이 삽입되고 상기 커플러 락의 수량과 동일한 수량의 락 삽입오프닝과, 상기 스프링의 일측 단부가 삽입되는 스프링 제1삽입홀이 형성되며, 상기 락 삽입오프닝에는 길이 방향으로 상기 커플러 락이 얹히고 슬라이딩되는 락 설치턱이 형성되고, 상기 커플러 락은 직육면체를 대각선상으로 잘라놓은 형상으로 잘린 경사각도는 상기 커플러 바디의 원추기둥 경사각도와 동일하며, 상기 커플러 락에는 길이 방향으로 상기 이형철근의 마디가 삽입될 때는 쉽게 삽입되고 빠질 때는 걸릴 수 있게 한 방향으로 경사진 톱니와, 상기 스프링이 삽입되는 스프링 제2삽입홀과, 상기 락 설치턱에 걸리게 되는 락 설치돌기가 형성되고, 상기 커플러 하우징은 상기 커플러 바디와 상기 커플러 락이 내부에 삽입되는 메일하우징과 피메일하우징으로 분리 구성되며, 상기 메일하우징과 상기 피메일하우징은 소켓 타입으로 삽입되어 결합되거나, 동일한 형상으로 분리되어 서로 맞대어 외부 용접되어 결합되고, 상기 메일하우징에는 내부에 상기 커플러 바디가 삽입될 수 있도록 상기 커플러 바디의 외부 형상과 동일한 중공과, 상기 이형철근이 삽입되는 철근삽입부와, 상기 피메일하우징이 삽입되는 피메일삽입부와, 상기 커플러 바디와 상기 리테이너가 외부로 탈락되는 것을 방지하기 위한 탈락방지턱이 형성되며, 상기 피메일하우징에는 내부에 상기 커플러 바디가 삽입될 수 있도록 상기 커플러 바디의 외부 형상과 동일한 중공과, 상기 이형철근이 삽입되는 철근삽입부와, 상기 메일하우징이 삽입되는 소켓부와, 상기 커플러 바디와 상기 리테이너가 외부로 탈락되는 것을 방지하기 위한 탈락방지턱이 형성되는 구조인 원터치 철근 커플러가 등록공개되어 있다.Another prior art is a rebar coupler that can accommodate a deformed rebar from the side to connect the connecting ends of the two deformed bars in a linear direction in Korean Patent No. 0973437, wherein the rebar coupler is inserted into the deformed rebar A coupler body for forming two bond bars; A plurality of coupler locks slidingly coupled to the coupler body to hold the bar of the deformed rebar to prevent the deformed rebar from falling out; A spring of the same quantity as the coupler lock having one side inserted into the coupler body and the other side inserted into the coupler lock to elastically couple the coupler lock to the coupler body; A coupler housing in which the coupler body and the coupler lock are inserted therein to completely surround the coupler body to prevent the coupler lock from being separated; The deformed reinforcement is inserted into the coupler body is inserted into the coupler lock to prevent the deformed reinforcement shakes from side to side when it does not fall out of the coupler housing is composed of a retainer is installed, the coupler body is a cone A columnar shape, a reinforcing bar insertion hole in which the deformed steel is inserted in the center of the coupler body, the coupler lock being inserted in the longitudinal direction from the circumference, and the lock insertion opening of the same quantity as the amount of the coupler lock; and one end of the spring Spring is inserted into the first insertion hole is formed, the lock insertion opening is formed in the longitudinal direction of the coupler lock and the lock installation jaw is formed, the coupler lock is inclined angle cut in the shape of cutting the rectangular parallelepiped diagonally. Is the same as the tilt angle of the cone of the coupler body, The coupler lock is provided with a tooth that is inclined in one direction so that it can be easily inserted when the node of the deformed bar is inserted in the longitudinal direction and can be caught when it is pulled out, a second insertion hole of the spring into which the spring is inserted, and the lock installation jaw. A lock installation protrusion is formed, and the coupler housing is separated into a mail housing and a female housing in which the coupler body and the coupler lock are inserted therein, and the mail housing and the female housing are inserted into a socket type to be coupled or The same shape is separated and welded to each other externally coupled to each other, the same hollow as the outer shape of the coupler body so that the coupler body can be inserted into the mail housing, the reinforcing bar insertion portion is inserted into the deformed reinforcement, and A female insert portion into which a female housing is inserted, the coupler body and the retainer Drop prevention jaw is formed to prevent the fall from the outside, the female housing is the same hollow as the outer shape of the coupler body so that the coupler body can be inserted therein, and the reinforcement insertion portion is inserted into the deformed reinforcement And a one-touch rebar coupler having a structure in which a socket part into which the mail housing is inserted, and a drop prevention jaw for preventing the coupler body and the retainer from falling out are formed.
그러나 종래의 커플러는 구조가 복잡하여 제조하기가 용이하지 못하고, 또한 제조시간과 제조비용이 많이 들며, 체결작업 시간이 길다는 단점이 있었다.However, the conventional coupler has a disadvantage in that the structure is not easy to manufacture due to the complicated structure, the manufacturing time and the manufacturing cost are high, and the fastening work time is long.
본 발명은 상술한 문제점을 해결하기 위하여 안출된 것으로, 구조가 간단하여 제작이 용이하고, 제작단가가 적데 들며, 철근을 잇는 체결작업 시간을 단축시킬 수 있는 철근 이음용 커플러를 제공하고자 하는 것이다The present invention has been made to solve the above-mentioned problems, it is to provide a coupler for reinforcing bar joints that can be simple to manufacture, easy to manufacture, low manufacturing cost, shortening the fastening work connecting the reinforcing bars.
본 발명 철근 이음용 커플러는 외주연에 나사산이 형성되어 있는 중공체 형상의 몸체의 양단으로 각각 내주연에 나사산이 형성되어 있는 중공체 형상의 조임너트가 체결되되, 상기 조임너트의 내부는 양단으로 갈수록 내경이 작아지게 형성되고, 상기 몸체의 양측 조임너트의 내부에는 조임너트의 내경에 대응하는 중공체 형상의 조임구가 삽입되어 있어, 몸체와 조임너트의 나사결합에 의해 조임너트와 조임구의 중공홀로 삽입된 철근을 조이는 것이 특징이다.In the present invention, the coupler for reinforcing bar joint is fastened to both ends of the hollow body-shaped body in which the thread is formed on the outer circumference, respectively, and the fastening nut of the hollow body having the thread is formed on the inner circumference, and the inside of the tightening nut is both ends. As the inner diameter decreases gradually, hollow fastening holes corresponding to the inner diameter of the fastening nuts are inserted into the two fastening nuts of the body, and the hollows of the fastening nuts and the fastening holes are formed by screwing the body and the fastening nuts. It is characterized by tightening reinforcing bars inserted alone.
본 발명 외주연에 나사산이 형성되어 있는 중공체 형상의 몸체와, 상기 몸체의 양단에 나사결합되되, 내주연은 양단으로 갈수록 내경이 작아지게 형성된 중공체 형상의 조임너트와, 상기 몸체의 양단에 나사결합된 조임너트의 내부에는 중공체 형상의 조임구가 삽입되어 있는 철근 이음용 커플러의 제작방법에 있어서,Hollow body-shaped body with a screw thread formed on the outer circumference of the present invention, screwed to both ends of the body, the inner circumference is a hollow body-shaped tightening nut formed to decrease the inner diameter toward both ends, and both ends of the body In the method of manufacturing a coupler for reinforcing bar joints in which a hollow fastener is inserted into the inside of the screwed tightening nut,
상기 조임구는 양단으로 갈수록 외부 직경이 작아지는 중공체 형상의 슬리브에 슬리브의 길이방향을 따라 길게 형성된 가이드홈이 슬리브의 원주방향을 따라 복수 개가 형성되고, 상기 가이드홈은 슬리브의 양단 중 직경이 작은 측이 개구되어 있으며, 상기 가이드홈에는 걸림부재가 삽입되는 것으로,The fastener has a plurality of guide grooves formed along the circumferential direction of the sleeve is formed in the sleeve of the hollow body shape that the outer diameter becomes smaller toward both ends in the circumferential direction of the sleeve, the guide groove has a smaller diameter of both ends of the sleeve The side is opened, and the locking member is inserted into the guide groove,
상기 걸림부재는 일면에 톱니형상의 걸림턱이 형성되어 있는 금속재질의 판재와, 상기 판재의 양면에 일체로 형성된 합성수지 재질의 가이드부로 이루어지는 것으로, 상기 걸림부재는 인서트 사출에 의해 제작되는 것이 특징이다.The locking member is composed of a plate of metal material having a tooth-shaped locking jaw formed on one surface thereof, and a guide part of synthetic resin material integrally formed on both sides of the plate, wherein the locking member is manufactured by insert injection. .
본 발명 철근 이음용 커플러는 구조가 간단하여 제작이 용이하고, 제작단가가 적게 들며, 철근을 잇는 체결작업 시간을 단축시킬 수 있다는 등의 현저한 효과가 있다.Rebar coupler of the present invention has a remarkable effect, such as simple structure, easy production, low manufacturing cost, shortening the fastening work connecting the reinforcing bars.
도 1은 본 발명 철근 이음용 커플러 분해 사시도.1 is an exploded perspective view of the present invention reinforcing bar coupler.
도 2는 본 발명 철근 이음용 커플러 사용 상태도.Figure 2 is a state diagram using the present invention reinforcing bar coupler.
도 3은 본 발명 철근 이음용 커플러 절개 단면도.Figure 3 is a cross-sectional view of the present invention reinforcing bar coupler.
도 4는 본 발명 철근 이음용 커플러의 조임구 결합 사시도.Figure 4 is a perspective view of the fastener coupling of the present invention reinforced coupler.
도 5는 본 발명 철근 이음용 커플러의 조임구 분해 사시도.Figure 5 is an exploded perspective view of the fastener opening of the present invention reinforcing bar coupler.
도 6은 본 발명 철근 이음용 커플러의 걸림부재에 형성되는 톱니형상의 다양한 실시 예를 나타낸 예시도.Figure 6 is an exemplary view showing various embodiments of the sawtooth shape formed in the engaging member of the coupler for reinforcing bars of the present invention.
도 7은 본 발명 철근 이음용 커플러의 또 다른 실시에 따른 단면도.7 is a cross-sectional view according to another embodiment of the present invention reinforced coupler.
도 8은 본 발명 철근 이음용 커플러의 또 다른 실시에 따른 사용 상태도.Figure 8 is a state of use according to another embodiment of the present invention reinforced coupler.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
100. 커플러100. Coupler
110. 몸체110. Body
120. 조임너트120. Tightening Nut
130. 조임구 131. 슬리브 132. 가이드홈130. Fasteners 131. Sleeve 132. Guide groove
133. 걸림부재 133-1. 판재 133-2. 가이드부133. Locking member 133-1. Plate 133-2. Guide part
133-3. 걸림턱133-3. Jam
140. 스프링140. Spring
200. 철근200. Rebar
300. 충진물300. Filling
본 발명 철근 이음용 커플러는(100)는 외주연에 나사산이 형성되어 있는 중공체 형상의 몸체(110)의 양단으로 각각 내주연에 나사산이 형성되어 있는 중공체 형상의 조임너트(120)가 체결되되, 상기 조임너트(120)의 내부는 양단으로 갈수록 내경이 작아지게 형성되고, 상기 몸체(110)의 양측 조임너트(120)의 내부에는 조임너트(120)의 내경에 대응하는 중공체 형상의 조임구(130)가 삽입되어 있어, 몸체(110)와 조임너트(120)의 나사결합에 의해 조임너트(120)와 조임구(130)의 중공홀로 삽입된 철근(200)을 조이는 것이 특징이다.In the present invention, the coupler for reinforcing bar joint 100 is fastened to the both ends of the hollow body-shaped body 110, the thread is formed on the outer periphery of the hollow body-shaped tightening nut 120, the thread is formed on the inner periphery, respectively. The inner diameter of the tightening nut 120 becomes smaller toward both ends, and the hollow body shape corresponding to the inner diameter of the tightening nut 120 is formed inside both tightening nuts 120 of the body 110. The fastener 130 is inserted to tighten the reinforcement 200 inserted into the hollow hole of the fastener nut 120 and the fastener 130 by screwing the body 110 and the fastener nut 120. .
상기 몸체(110)와 조임구(130) 사이에는 스프링(140)이 장착되는 것을 특징으로 한다.Between the body 110 and the fastener 130 is characterized in that the spring 140 is mounted.
또한, 상기 조임구(130)는 양단으로 갈수록 외부 직경이 작아지는 중공체 형상의 슬리브(131)에 슬리브(131)의 길이방향을 따라 길게 형성된 가이드홈(132)이 슬리브(131)의 원주방향을 따라 복수 개가 형성되고, 상기 가이드홈(132)은 슬리브(131)의 양단 중 직경이 작은 측이 개구되어 있는 것으로, 상기 가이드홈(132)에는 걸림부재(133)가 삽입되어 있되, 상기 가이드(133)의 내측에는 가이드(133)의 길이방향을 따라 톱니형상의 걸림턱(133)이 형성되어 있는 것이 특징이다.In addition, the fastener 130 has a guide groove 132 formed along the longitudinal direction of the sleeve 131 in the hollow body-shaped sleeve 131, the outer diameter is reduced toward both ends is the circumferential direction of the sleeve 131 A plurality of the guide grooves 132 are formed in the guide grooves 132. The guide grooves 132 have smaller diameters at both ends of the sleeve 131, and the locking member 133 is inserted into the guide grooves 132. The inside of the 133 is characterized in that the sawtooth engaging jaw 133 is formed along the longitudinal direction of the guide 133.
본 발명 외주연에 나사산이 형성되어 있는 중공체 형상의 몸체(110)와, 상기 몸체(110)의 양단에 나사결합되되, 내주연은 양단으로 갈수록 내경이 작아지게 형성된 중공체 형상의 조임너트(120)와, 상기 몸체(110)의 양단에 나사결합된 조임너트(120)의 내부에는 중공체 형상의 조임구(130)가 삽입되어 있는 철근 이음용 커플러의 제작방법에 있어서,The hollow body-shaped body 110, the thread is formed on the outer circumference of the present invention, and screwed to both ends of the body 110, the inner circumference is a hollow body-shaped tightening nut formed to become smaller inner diameter toward both ends ( In the 120 and the method of manufacturing a coupler for reinforcing bars in which a hollow fastener 130 is inserted into the fastening nut 120 screwed to both ends of the body 110,
상기 조임구(130)는 양단으로 갈수록 외부 직경이 작아지는 중공체 형상의 슬리브(131)에 슬리브(131)의 길이방향을 따라 길게 형성된 가이드홈(132)이 슬리브(131)의 원주방향을 따라 복수 개가 형성되고, 상기 가이드홈(132)은 슬리브(131)의 양단 중 직경이 작은 측이 개구되어 있으며, 상기 가이드홈(132)에는 걸림부재(133)가 삽입되는 것으로,The fastener 130 has a guide groove 132 formed along a lengthwise direction of the sleeve 131 in a hollow body-shaped sleeve 131 having a smaller outer diameter toward both ends along the circumferential direction of the sleeve 131. A plurality of dogs are formed, and the guide groove 132 has a small diameter of the both ends of the sleeve 131 is opened, the locking member 133 is inserted into the guide groove 132,
상기 걸림부재(133)는 일면에 톱니형상의 걸림턱(134)이 형성되어 있는 금속재질의 판재(133-1)와, 상기 판재(133-2)의 양면에 일체로 형성된 합성수지 재질의 가이드부(133-2)로 이루어지는 것으로, 상기 걸림부재(133)는 인서트 사출에 의해 제작되는 것이 특징이다.The locking member 133 is a guide plate made of a synthetic resin material integrally formed on both surfaces of the plate material 133-1 of the metal material having the sawtooth-shaped locking jaw 134 formed on one surface thereof. It is made of (133-2), characterized in that the locking member 133 is produced by insert injection.
상기 슬리브(131)는 사출공정으로 제조하는 것을 특징으로 한다.The sleeve 131 may be manufactured by an injection process.
상기 몸체(110)와 조임구(130) 사이에는 스프링(140)이 장착되는 것을 특징으로 한다.Between the body 110 and the fastener 130 is characterized in that the spring 140 is mounted.
이하, 본 발명 철근 이음용 커플러 제조방법을 첨부한 도면에 의해 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings a method for manufacturing a coupler for reinforcing bar joints of the present invention will be described.
도 1은 본 발명 철근 이음용 커플러 분해 사시도, 도 2는 본 발명 철근 이음용 커플러 사용 상태도, 도 3은 본 발명 철근 이음용 커플러 절개 단면도이다.1 is an exploded perspective view of the present invention reinforcing bar coupler, FIG. 2 is a state diagram of the present invention using a coupler for reinforcing bar connections, FIG.
본 발명 철근 이음용 커플러는(100)는 토목 또는 건설현장 등에서 한 쌍의 철근을 서로 잇기 위해 사용되는 것으로, 외주연에 나사산이 형성되어 있는 중공체 형상의 몸체(110)와, 상기 몸체(110)의 양단에 각각 결합하도록 내주연에 나사산이 형성되어 있는 중공체 형상의 조임너트(120)와, 상기 몸체(110)의 양측 조임너트(120)의 내부에 조임구(130)가 삽입되어 있는 것을 특징으로 한다.The present invention reinforcing bar coupler (100) is used to connect a pair of reinforcing bars to each other in civil engineering or construction sites, etc., the hollow body-shaped body 110 is formed on the outer periphery, and the body 110 Fastening nut 120 of the hollow shape having a thread formed on the inner circumference to be coupled to both ends of the) and the fastener 130 is inserted into the inner side of the fastening nut 120 of both sides of the body 110 It is characterized by.
특히, 상기 조임너트(120)의 내부는 양단으로 갈수록 내경이 작아지게 형성되어 있고, 상기 조임구(130)는 조임너트(120)의 내경에 대응하도록 외경이 양단으로 갈수록 직경이 작아지게 형성되어 있다.In particular, the inside of the tightening nut 120 is formed to decrease the inner diameter toward both ends, the tightening hole 130 is formed so that the outer diameter is smaller toward both ends so as to correspond to the inner diameter of the tightening nut 120 is have.
한편, 상기 조임구(130)는 양단으로 갈수록 외부 직경이 작아지는 중공체 형상의 슬리브(131)에 슬리브(131)의 길이방향을 따라 길게 형성된 가이드홈(132)이 슬리브(131)의 원주방향을 따라 복수 개가 형성되어 있고, 상기 가이드홈(132)은 슬리브(131)의 양단 중 직경이 작은 측이 개구되어 있는 것으로, 상기 가이드홈(132)에는 걸림부재(133)가 삽입되어 있되, 상기 걸림부재(133)의 내측에는 걸림부재(133)의 길이방향을 따라 톱니형상의 걸림턱(133-3)이 형성되어 있는 것이다.On the other hand, the fastener 130 is a guide groove 132 formed along the longitudinal direction of the sleeve 131 in the sleeve 131 of the hollow body shape that the outer diameter is reduced toward both ends is the circumferential direction of the sleeve 131 The plurality of guide grooves 132 are formed along the side of the sleeve 131, and the guide groove 132 has a smaller diameter side opening. The locking member 133 is inserted into the guide groove 132. A toothed locking jaw 133-3 is formed inside the locking member 133 along the longitudinal direction of the locking member 133.
상기 톱니형상의 걸림턱(133-3)은 가이드홈(132)의 외부로 돌출되어 조임구(130)의 중공홀을 통해 삽입되는 철근(200)의 외주연에 돌출형성된 리브를 견고하게 잡아줄 수 있게 된다.The serrated engaging jaw 133-3 protrudes to the outside of the guide groove 132 to firmly hold the ribs protruding from the outer periphery of the rebar 200 inserted through the hollow hole of the fastener 130. It becomes possible.
상기 걸림부재(133)는 일면에 톱니형상의 걸림턱(133-3)이 형성되어 있는 금속재질의 판재(133-1)와, 상기 판재(133-2)의 양면에 일체로 형성된 합성수지 재질의 가이드부(133-2)로 이루어지는 것으로, 상기 걸림부재(133)는 인서트 사출에 의해 제작되는 것이 특징이다.The locking member 133 is formed of a metal plate member 133-1 having a sawtooth engaging jaw 133-3 formed on one surface thereof, and a synthetic resin material integrally formed on both sides of the plate member 133-2. It consists of a guide portion 133-2, characterized in that the locking member 133 is produced by insert injection.
상기 슬리브(131)는 사출공정으로 제조하는 것을 특징으로 한다.The sleeve 131 may be manufactured by an injection process.
또한, 몸체(110)와 조임구(130) 사이에는 스프링(140)이 장착되어 있다.In addition, a spring 140 is mounted between the body 110 and the fastener 130.
이에, 조임너트(120)와 조임구(130)의 중공홀로 철근(200)을 삽입시킨 후, 몸체(110)와 나사결합되어 있는 조임너트(120)를 회전시키게 되면, 상기 조임너트(120)의 내부는 양단으로 갈수록 내경이 작아지게 형성되어 있고, 상기 조임구(130)는 조임너트(120)의 내경에 대응하도록 외경이 양단으로 갈수록 직경이 작아지게 형성되어 있는 관계로 조임구(130)의 내경이 작아지게 되어 중공홀로 삽입되는 철근(200)의 외측면을 조여주게 되는 것이다.Thus, after inserting the reinforcement 200 into the hollow hole of the tightening nut 120 and the fastener 130, and rotating the tightening nut 120 screwed to the body 110, the tightening nut 120 The inner portion of the inner diameter is formed to be smaller toward both ends, the tightening hole 130 is the diameter of the outer diameter is smaller toward both ends so as to correspond to the inner diameter of the tightening nut 120, the tightening hole 130 is The inner diameter of the is to be tightened to the outer surface of the reinforcement 200 is inserted into the hollow hole.
특히, 상기 조임구(130)의 걸림부재(133)의 내측면에는 톱니형상의 걸림턱(133-3)이 형성되어 있어, 철근(200)의 외주연에 돌출형성된 리브를 견고하게 잡아주게 된다.In particular, the inner surface of the locking member 133 of the fastener 130 is formed with a saw-shaped locking jaw 133-3, to firmly hold the rib formed in the outer periphery of the reinforcement 200. .
그리고 몸체(110)와 조임구(130) 사이에 장착되어 있는 스프링(140)의 복원력에 의해 더욱 견고하게 철근(200)을 고정할 수 있게 된다.And the reinforcement 200 can be more firmly fixed by the restoring force of the spring 140 is mounted between the body 110 and the fastener 130.
한편, 상기 스프링(140)은 몸체(110)와 조임구(130) 사이에 장착되되, 복수 개의 걸림부재(133)에 각각 대응하도록 복수 개가 장착될 수도 있다.Meanwhile, the spring 140 may be mounted between the body 110 and the fastener 130, and a plurality of springs 140 may be mounted to correspond to the plurality of locking members 133, respectively.
이때, 상기 걸림부재(133)의 일단에는 스프링(140)의 향해 돌기(도면 미도시) 돌출형성되어 있어, 상기 돌기가 스프링(140)의 중공홀로 삽입됨으로써 스프링(140)과 걸림부재(133) 간에 이탈을 방지할 수 있게 된다.At this time, one end of the locking member 133 is formed with a protrusion (not shown) toward the spring 140, the protrusion is inserted into the hollow hole of the spring 140, the spring 140 and the locking member 133 It is possible to prevent departure from the liver.
그리고 몸체(110)의 단부에도 스프링(140)을 향해 복수의 돌기(도면 미도시)가 돌출형성됨으로써 스프링(140)은 몸체(110)와 조임구(130) 사이에서 이탈되지 않게 된다.In addition, a plurality of protrusions (not shown) are formed at the end of the body 110 toward the spring 140 so that the spring 140 is not separated between the body 110 and the fastener 130.
도 4는 본 발명 철근 이음용 커플러의 조임구 결합 사시도, 도 5는 본 발명 철근 이음용 커플러의 조임구 분해 사시도이다.Figure 4 is a perspective view of the coupler coupling of the present invention reinforcing bar coupler, Figure 5 is an exploded perspective view of the coupler of the present invention reinforcing bar coupler.
도 4 내지 도 5에 도시된 바와 같이 조임구(130)의 가이드홈(132)은 길이방향의 양측에서 보았을 때, 원형 형상으로 형성되어 있어, 상기 가이드홈(132)에 삽입되는 걸림부재(133)는 환봉형상으로 형성되어 있다.4 to 5, the guide groove 132 of the fastener 130 is formed in a circular shape when viewed from both sides in the longitudinal direction, the locking member 133 is inserted into the guide groove 132 ) Is formed in the shape of a round bar.
특히, 상기 걸림부재(133)는 일면에 톱니형상의 걸림턱(133-3)이 형성되어 있는 금속재질의 판재(133-1)와, 상기 판재(133-2)의 양면에 합성수지 재질의 가이드부(133-2)로 이루어지는 것이다.In particular, the locking member 133 is a metal plate member 133-1 having a toothed locking jaw 133-3 formed on one surface thereof, and a guide made of synthetic resin material on both sides of the plate member 133-2. It consists of a part 133-2.
이에, 상기 걸림부재(133)는 인서트 사출에 의해 금속재질의 제작되는 것으로, 금속재질의 판재(133-1)를 프레스 가공하여 일측면에 톱니형상의 걸림턱(133-3)이 형성되도록 한다.Thus, the locking member 133 is made of a metal material by insert injection, press-process the metal plate 133-1 of the metal material to form a sawtooth engaging jaw (133-3) on one side. .
바람직하게는 상기 걸림턱(133-3)은 SKD를 사용하도록 한다.Preferably the locking step (133-3) to use the SKD.
그리고 상기 걸림턱(133-3)이 형성되어 있는 판재(133-1)를 걸림부재(133)를 형성하기 위한 금형에 안치시켜 사출함으로써 판재(133-1)의 양측면에는 합성수지재의 가이드부(133-2)가 형성되는 것이다.Then, by placing the plate 133-1, on which the catching jaw 133-3 is formed, is injected into a mold for forming the catching member 133, the guide portions 133 of the synthetic resin material are formed on both sides of the plate 133-1. -2) is formed.
한편, 상기 가이드홈(132)에 삽입되는 걸림부재(133)는 환봉형상으로 형성되어 있다.On the other hand, the engaging member 133 inserted into the guide groove 132 is formed in the shape of a round bar.
따라서, 걸림부재(133)가 가이드홈(132)을 따라 이동하더라도 걸림부재(133)는 가이드홈(132)에서 이탈되지 않게 된다.Therefore, even if the locking member 133 moves along the guide groove 132, the locking member 133 is not separated from the guide groove 132.
그리고 조임너트(120)의 외주연에 철근처럼 리브를 돌출형성함으로써 철근의 느낌을 줄 수 있다.And by forming a rib like a reinforcing bar on the outer periphery of the tightening nut 120 can give a feeling of reinforcing bar.
한편, 상기 걸림턱(133-3)은 금속재질의 판재를 프레스 공정으로 일면에 톱니형상 형성되도록 제조한 후, 걸림부재(133)에 인서트 사출에 의해 제조되도록 한다.On the other hand, the locking step (133-3) is made to form a saw tooth on one surface of a metal plate by a pressing process, and then to be manufactured by insert injection into the locking member 133.
또한, 상기 슬리브(131)도 사출공정으로 제조하도록 한다.In addition, the sleeve 131 is to be manufactured by an injection process.
도 6은 본 발명 철근 이음용 커플러의 걸림부재에 형성되는 톱니형상의 다양한 실시 예를 나타낸 예시도이다.Figure 6 is an exemplary view showing various embodiments of the sawtooth shape formed on the engaging member of the coupler for reinforcing bars of the present invention.
본 발명의 커플러(100)에서 걸림부재(133)에 형성되는 톱니형상은 도 6에 도시된 바와 같이 다양한 형상으로 형성될 수 있다.In the coupler 100 of the present invention, the sawtooth shape formed on the engaging member 133 may be formed in various shapes as shown in FIG. 6.
도 7은 본 발명 철근 이음용 커플러의 또 다른 실시에 따른 단면도, 도 8은 본 발명 철근 이음용 커플러의 또 다른 실시에 따른 사용 상태도이다.Figure 7 is a cross-sectional view according to another embodiment of the present invention reinforcing bar coupler, Figure 8 is a state diagram used in accordance with another embodiment of the present invention reinforcing bar coupler.
도 7 내지 도 8에 도시된 바와 같이, 상기 몸체(110)의 바닥면에는 입구(111)가 형성되어 있고 외주연에는 출구(112)가 형성되며, 상기 입구(111)와 출구(112) 간에는 서로 연통되는 공간으로서 연통홀(113)이 형성되어 있다,As illustrated in FIGS. 7 to 8, an inlet 111 is formed at the bottom surface of the body 110, and an outlet 112 is formed at an outer circumference thereof, and between the inlet 111 and the outlet 112. As a space communicating with each other, a communication hole 113 is formed.
그리고 상기 연통홀(113) 상술한 바와 같이 탄성재질의 충진물(300)이 충진되어 있되, 상기 충진물(300)은 몸체(110)의 바닥면에 형성된 입구(111) 측에는 입구(111)보다 더 돌출되어 있도록 충진되어 있다.In addition, the communication hole 113 is filled with the filler 300 of the elastic material as described above, the filler 300 protrudes more than the inlet 111 on the inlet 111 formed on the bottom surface of the body 110. It is filled to make sure.
따라서, 철근(200)이 삽입되어 입구(111) 측보다 돌출되어 있는 충진물(300)을 압박하게 되면 충진물(300)은 연통홀(113)로 삽입되면서 충진물(300)의 일부는 출구(112)를 통해 외부로 돌출됨으로써 작업자는 철근(200)이 완벽하게 삽입되었는지를 확인할 수 있게 된다.Therefore, when the reinforcement 200 is inserted to press the filler 300 protruding from the inlet 111 side, the filler 300 is inserted into the communication hole 113 and a part of the filler 300 is exit 112. By protruding to the outside through the worker can check whether the rebar 200 is inserted completely.
이때, 상기 탄성재질의 충진물은 연성의 합성수지 또는 합성고무를 사용할 수 있으며, 또한 젤 타입의 물질도 사용할 수 있다.In this case, the filling material of the elastic material may be used a soft synthetic resin or synthetic rubber, it may also use a gel type material.
특히, 상기 충진물(300)은 형광물질로 제작함으로써 어두운 곳에서도 몸체(110)의 출구(112)를 통해 돌출되는 충진물(300)을 쉽게 확인할 수 있게 된다.In particular, the filler 300 is made of a fluorescent material it is possible to easily check the filler 300 protruding through the outlet 112 of the body 110 in the dark.
또한, 상기 몸체(110)의 바닥면에 형성된 입구(111)는 깊이방향으로 갈수록 직경이 작아지도록 경사면이 형성함으로써 철근(200)의 단부에 의해 압박되는 충진물(300)이 출구(111)를 통해 쉽게 연통홀(113)로 내입될 수 있도록 하였다.In addition, the inlet 111 formed on the bottom surface of the body 110, the inclined surface is formed so that the diameter becomes smaller toward the depth direction, the filling material 300 is pressed by the end of the rebar 200 through the outlet 111 It was to be easily inserted into the communication hole (113).
본 발명 철근 이음용 커플러는 구조가 간단하여 제작이 용이하고, 제작단가가 적게 들며, 철근을 잇는 체결작업 시간을 단축시킬 수 있다는 등의 현저한 효과가 있다.Rebar coupler of the present invention has a remarkable effect, such as simple structure, easy production, low manufacturing cost, shortening the fastening work connecting the reinforcing bars.
Claims (6)
- 건설현장에서 한 쌍의 철근을 서로 잇기 위해 사용되는 커플러에 있어서,In the coupler used to connect a pair of rebars to each other at the construction site,상기 커플러(100)는 외주연에 나사산이 형성되어 있는 중공체 형상의 몸체(110)의 양단으로 각각 내주연에 나사산이 형성되어 있는 중공체 형상의 조임너트(120)가 체결되되, 상기 조임너트(120)의 내부는 양단으로 갈수록 내경이 작아지게 형성되고, 상기 몸체(110)의 양측 조임너트(120)의 내부에는 조임너트(120)의 내경에 대응하는 중공체 형상의 조임구(130)가 삽입되어 있어, 몸체(110)와 조임너트(120)의 나사결합에 의해 조임너트(120)와 조임구(130)의 중공홀로 삽입된 철근(200)을 조이는 것이 특징인 철근 이음용 커플러.The coupler 100 is fastened to the both ends of the hollow body-shaped body 110, the thread is formed on the outer circumference, respectively, the fastening nut 120 of the hollow shape having the thread formed on the inner circumference is fastened, the tightening nut The inside of the 120 is formed to be smaller in the inner diameter toward both ends, the inside of both of the tightening nut 120 of the body 110, the hollow body-shaped fastener 130 corresponding to the inner diameter of the tightening nut 120 Is inserted, the coupler for reinforcing bars, characterized in that the tightening of the reinforcement 200 inserted into the hollow hole of the tightening nut 120 and the fastener 130 by screwing the body 110 and the tightening nut 120.
- 제1항에 있어서,The method of claim 1,상기 몸체(110)와 조임구(130) 사이에는 스프링(140)이 장착되는 것이 특징인 철근 이음용 커플러.Reinforcing bar coupler, characterized in that the spring 140 is mounted between the body 110 and the fastener 130.
- 제1항에 있어서,The method of claim 1,상기 조임구(130)는 양단으로 갈수록 외부 직경이 작아지는 중공체 형상의 슬리브(131)에 슬리브(131)의 길이방향을 따라 길게 형성된 가이드홈(132)이 슬리브(131)의 원주방향을 따라 복수 개가 형성되고, 상기 가이드홈(132)은 슬리브(131)의 양단 중 직경이 작은 측이 개구되어 있는 것으로, 상기 가이드홈(132)에는 가이드(133)가 삽입되어 있되, 상기 가이드(133)의 내측에는 가이드(133)의 길이방향을 따라 톱니형상의 걸림턱(133)이 형성되어 있는 것이 특징인 철근 이음용 커플러.The fastener 130 has a guide groove 132 formed along a lengthwise direction of the sleeve 131 in a hollow body-shaped sleeve 131 having a smaller outer diameter toward both ends along the circumferential direction of the sleeve 131. A plurality of guide grooves 132 are formed, and the guide groove 132 has a smaller diameter in both ends of the sleeve 131, and the guide 133 is inserted into the guide groove 132, but the guide 133 Reinforcing bar couplers, characterized in that the sawtooth engaging jaw 133 is formed along the longitudinal direction of the guide (133).
- 외주연에 나사산이 형성되어 있는 중공체 형상의 몸체(110)와, 상기 몸체(110)의 양단에 나사결합되되, 내주연은 양단으로 갈수록 내경이 작아지게 형성된 중공체 형상의 조임너트(120)와, 상기 몸체(110)의 양단에 나사결합된 조임너트(120)의 내부에는 중공체 형상의 조임구(130)가 삽입되어 있는 철근 이음용 커플러의 제작방법에 있어서,Hollow body-shaped body 110, the thread is formed on the outer circumference, and screwed to both ends of the body 110, the inner circumference is a hollow body-shaped tightening nut 120 formed in the inner diameter becomes smaller toward both ends And, in the manufacturing method of the coupler for reinforcing bars is inserted into the hollow nut-shaped fastener 130 is inserted in the interior of the fastening nut 120 screwed to both ends of the body 110,상기 조임구(130)는 양단으로 갈수록 외부 직경이 작아지는 중공체 형상의 슬리브(131)에 슬리브(131)의 길이방향을 따라 길게 형성된 가이드홈(132)이 슬리브(131)의 원주방향을 따라 복수 개가 형성되고, 상기 가이드홈(132)은 슬리브(131)의 양단 중 직경이 작은 측이 개구되어 있으며, 상기 가이드홈(132)에는 걸림부재(133)가 삽입되는 것으로,The fastener 130 has a guide groove 132 formed along a lengthwise direction of the sleeve 131 in a hollow body-shaped sleeve 131 having a smaller outer diameter toward both ends along the circumferential direction of the sleeve 131. A plurality of dogs are formed, and the guide groove 132 has a small diameter of the both ends of the sleeve 131 is opened, the locking member 133 is inserted into the guide groove 132,상기 걸림부재(133)는 일면에 톱니형상의 걸림턱(133-3)이 형성되어 있는 금속재질의 판재(133-1)와, 상기 판재(133-2)의 양면에 일체로 형성된 합성수지 재질의 가이드부(133-2)로 이루어지는 것으로, 상기 걸림부재(133)는 인서트 사출에 의해 제작되는 것이 특징인 철근 이음용 커플러 제작방법.The locking member 133 is formed of a metal plate member 133-1 having a sawtooth engaging jaw 133-3 formed on one surface thereof, and a synthetic resin material integrally formed on both sides of the plate member 133-2. It consists of a guide portion (133-2), the engaging member 133 is a method of manufacturing a coupler for reinforcing bars, characterized in that is produced by insert injection.
- 제4항에 있어서,The method of claim 4, wherein상기 슬리브(131)는 사출공정으로 제조하는 것이 특징인 철근 이음용 커플러 제작방법.The sleeve 131 is a method of manufacturing a coupler for reinforcing bars, characterized in that the manufacturing process by injection.
- 제4항에 있어서,The method of claim 4, wherein상기 몸체(110)와 조임구(130) 사이에는 스프링(140)이 장착되는 것이 특징인 철근 이음용 커플러 제작방법.Reinforced coupler manufacturing method characterized in that the spring 140 is mounted between the body 110 and the fastener 130.
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KR10-2016-0139552 | 2016-10-25 | ||
KR10-2016-0139553 | 2016-10-25 | ||
KR1020160139553A KR101827163B1 (en) | 2016-10-25 | 2016-10-25 | Manufacturing method of coupler for connecting reinforcing rod |
KR1020160139552A KR101827162B1 (en) | 2016-10-25 | 2016-10-25 | Coupler for connecting reinforcing rod |
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