KR101213456B1 - a bolt assembly - Google Patents

a bolt assembly Download PDF

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Publication number
KR101213456B1
KR101213456B1 KR1020110050994A KR20110050994A KR101213456B1 KR 101213456 B1 KR101213456 B1 KR 101213456B1 KR 1020110050994 A KR1020110050994 A KR 1020110050994A KR 20110050994 A KR20110050994 A KR 20110050994A KR 101213456 B1 KR101213456 B1 KR 101213456B1
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South Korea
Prior art keywords
nut
fastening
fastening bolt
fastener assembly
elastic
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KR1020110050994A
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Korean (ko)
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KR20120132659A (en
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윤용수
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주식회사 장평건설
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/02—Foundation pits
    • E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
    • 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/14—Geometrical or physical properties resilient or elastic
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2220/00—Temporary installations or constructions
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements
    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • 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
    • F16B37/00—Nuts or like thread-engaging members

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

제2부재와 중공형의 제1부재를 체결볼트와 분할너트로 수월하게 체결 가능하게 한 체결구 조립체에 관한 것이다.
분할너트(130)를 파지하지 않고도 체결볼트(140)의 회전 조작만으로 분할너트(130)의 확장이 가능해지므로 중공형 부재(100; 제1부재)에도 너트의 채용을 가능하게 하여 안정된 체결을 할 수 있게 한다.It relates to a fastener assembly enabling the second member and the hollow first member to be easily fastened with a fastening bolt and a split nut.
Since the split nut 130 can be expanded only by the rotation of the fastening bolt 140 without holding the split nut 130, the hollow member 100 (first member) can be adopted with a nut to provide stable fastening. To be able.

Description

체결구 조립체{a bolt assembly}Fastener Assembly {a bolt assembly}

본 발명은 체결구 조립체에 관한 것으로써, 특히 제2부재와 중공형의 제1부재를 체결볼트와 분할너트로 수월하게 체결 가능하게 한 체결구 조립체에 관한 것이다.The present invention relates to a fastener assembly, and more particularly, to a fastener assembly which enables the second member and the hollow first member to be easily fastened with a fastening bolt and a split nut.

일반적으로 제1부재와 제2부재를 볼트와 너트로 체결시킬때, 제1부재와 제2부재를 관통하여 볼트를 결합시키고, 제1부재 측에 돌출된 볼트머리를 파지한 상태에서 제2부재 측에서 너트를 볼트의 수나사부에 나사결합하여 체결하게 된다.Generally, when the first member and the second member are fastened with bolts and nuts, the second member is coupled to the bolt through the first member and the second member, and the bolt head protruding from the first member side is held. At the side, the nut is screwed into the male threaded portion of the bolt.

그런데, 제1부재가 판상이고 제2부재가 통형인 경우에는 제2부재를 통하여 너트를 결합하는데 어려움이 있다.However, when the first member is plate-shaped and the second member is cylindrical, there is a difficulty in coupling the nut through the second member.

예컨대, 한국공개특허공보 10-2010-1516호에 개시되고 도 1 및 도 2를 참조하면, 이는 가설 흙막이 공사에 사용되는 버팀보(30)를 사각 강관 형태로 구성하고, 띠장(20)과 버팀보(30)의 연결부에는 경사 형태로 위치하는 경사버팀재(40)가 체결볼트(50)로 체결되도록 한 것이다.For example, disclosed in Korean Patent Laid-Open Publication No. 10-2010-1516 and referring to FIGS. 1 and 2, this constitutes a brace 30 used in a temporary earthquake construction in the form of a square steel pipe, and a strip 20 and a brace ( The connection portion of 30) is to be fastened to the fastening bolt 50, the inclined brace material 40 is located in the inclined form.

그런데, 버팀보(30)가 사각 강관 형태(통형)로 형성됨으로써 너트의 채용이 불가능하다. 이에 따라서 버팀보(30)에는 경사버팀재(40)의 체결공(41)(41')과 대응하는 체결나사공(31)(31')을 형성하여 체결볼트(50)로 나사 체결하여야 한다.By the way, since the brace 30 is formed in square steel pipe form (cylindrical shape), it is impossible to employ | adopt a nut. Accordingly, the brace 30 has to be fastened to the fastening holes 41 and 41 ′ of the inclined brace material 40 to form the fastening screw holes 31 and 31 ′ to be screwed with the fastening bolt 50.

그러나 이 경우 공사중 버팀보(30)등의 충격 및 진동 등으로 나사풀림이 발생할 수 있어 안전사고가 염려된다.However, in this case, the screw loosening may occur due to the impact and vibration of the brace 30, etc. during construction is a safety accident.

한국공개특허 10-2010-0001516Korea Patent Publication 10-2010-0001516

본 발명은 상기와 같은 문제점을 해결하기 위하여 창출된 것으로써, 체결하고자 하는 어느 한 부재가 중공형이더라도 너트의 채용을 가능하게 하여 안정된 체결을 가능하게 한 체결구 조립체를 제공하는 데 그 목적이 있다.The present invention has been made to solve the above problems, and an object of the present invention is to provide a fastener assembly which enables stable fastening by enabling the adoption of a nut even when any member to be fastened is hollow. .

상기 목적을 달성하는 본 발명은 각각 체결공이 형성된 제1부재와 제2부재를 체결볼트와 너트로 체결시키는 체결구 조립체에 있어서,In the present invention to achieve the above object in the fastener assembly for fastening the first member and the second member each formed with a fastening hole with a fastening bolt and a nut,

일단부 외주면에 제1수나사가 형성되고 타단부에 복수의 탄성바가 형성되며 상기 각 체결공에 결합되는 중공관과;A hollow tube having a first male screw formed on an outer circumferential surface of one end thereof, a plurality of elastic bars formed on the other end thereof, and coupled to the respective fastening holes;

상기 제1수나사에 나사결합되는 암나사가 형성되며 상기 제2부재에 밀착되는 너트체와;A nut body screwed to the first male screw and in close contact with the second member;

상기 복수의 탄성바의 내측에 위치하며 내면에 제1암나사가 형성된 반원형의 제1너트와, 상기 복수의 탄성바의 내측에 위치하며 내면에 제2암나사가 형성되고 상기 제1너트와 마주하는 반원형의 제2너트를 구비하는 분할너트와;A semicircular first nut located inside the plurality of elastic bars and having a first female thread formed therein, and a semicircular shape formed with an inner surface of the plurality of elastic bars and having a second female thread formed inside the plurality of elastic bars facing the first nut. A split nut having a second nut of the split nut;

상기 복수의 탄성바 내측에서 상기 분할너트의 회전을 방지시키는 회전방지수단과;Rotation preventing means for preventing rotation of the split nut inside the plurality of elastic bars;

상기 복수의 탄성바로부터 상기 분할너트의 이탈을 방지시키는 이탈방지수단과;Separation preventing means for preventing separation of the split nuts from the plurality of elastic bars;

상기 분할너트의 내경보다 직경이 크며 그 외주면에 상기 제1,2암나사에 나사결합되는 제2수나사가 형성된 체결볼트;를 구비하여 된 것을 특징으로 한다.And a fastening bolt having a diameter larger than an inner diameter of the split nut and having a second male thread screwed to the first and second female threads on an outer circumferential surface thereof.

상기 회전방지수단은 상기 제1너트와 제2너트의 외주면에 각각 상기 탄성바가 결합되는 제1결합홈과 제2결합홈이 형성되고,The rotation preventing means is formed on the outer circumferential surface of the first nut and the second nut is formed with a first coupling groove and a second coupling groove, respectively,

상기 이탈방지수단은 상기 각 탄성바의 자유단부에 상기 제1너트와 제2너트를 지지하는 걸림턱이 형성된 것을 특징으로 한다.The separation preventing means is characterized in that the locking step of supporting the first nut and the second nut at the free end of each elastic bar is formed.

또한, 상기 체결볼트의 선단부는 직경이 감소하는 경사면이 형성된 것을 특징으로 한다.In addition, the front end of the fastening bolt is characterized in that the inclined surface is formed to reduce the diameter.

첫째, 체결볼트(140)가 분할너트(130)에 나사조립됨에 따라 분할너트(130)의 제1,2너트(131)(132)가 벌어지게 되고, 이에따라 탄성바(112)가 외측으로 탄성변형되어 제1부재(100)의 체결공(101)으로부터 이탈이 방지되게 된다. 따라서 분할너트(130)를 파지하지 않고도 체결볼트(140)의 회전 조작만으로 분할너트(130)의 확장이 가능해지므로 중공형 부재(100; 제1부재)에도 너트의 채용을 가능하게 하여 안정된 체결을 할 수 있게 한다.First, as the fastening bolt 140 is assembled to the split nut 130, the first and second nuts 131 and 132 of the split nut 130 are opened, and thus the elastic bar 112 is elastically outward. The deformation is prevented from being separated from the fastening hole 101 of the first member 100. Therefore, since the split nut 130 can be expanded by only rotating the fastening bolt 140 without holding the split nut 130, the hollow member 100 (first member) can be adopted with a nut to provide stable fastening. To do it.

둘째, 체결볼트(140)의 선단부에 경사면(142)을 형성시킴으로써 분할너트(130)와의 나사결합을 수월하게 한다.Second, the inclined surface 142 is formed at the tip of the fastening bolt 140 to facilitate screwing with the split nut 130.

도 1 및 도 2는 중공형의 부재를 통상의 체결볼트로 체결한 상태를 나타낸 개략도,
도 3은 본 발명 실시예의 체결구 조립체를 나타낸 분리 사시도,
도 4 및 도 5는 본 발명 실시예의 체결구 조립체로 체결동작을 설명하는 개략도이다.1 and 2 is a schematic view showing a state in which the hollow member is fastened with a conventional fastening bolt,
Figure 3 is an exploded perspective view showing a fastener assembly of the embodiment of the present invention,
4 and 5 is a schematic diagram illustrating a fastening operation with the fastener assembly of the embodiment of the present invention.

본 발명 체결구 조립체는 중공형 부재에도 너트의 채용을 가능하게 하여 안정된 체결을 할 수 있게 한다.The fastener assembly of the present invention enables the adoption of a nut even in the hollow member to enable a stable fastening.

도 3 내지 도 5를 참조하면, 본 발명 실시예의 체결구 조립체는 각각 체결공(101)(201)이 형성된 제1부재(100)와 제2부재(200)를 체결볼트(140)와 너트(분할너트; 130)로 체결시킬 수 있도록 한 구조를 가진다.3 to 5, the fastener assembly according to the embodiment of the present invention, the fastening bolt 140 and the nut (1) and the second member 200, the fastening holes 101 and 201 are formed, respectively. It has a structure to be fastened to the split nut 130.

이 체결구 조립체는 일단부 외주면에 제1수나사(111)가 형성되고 타단부에 복수의 탄성바(112)가 형성되며 상기 각 체결공(101)(201)에 결합되는 중공관(110)과; 상기 제1수나사(111)에 나사결합되는 암나사(121)가 형성되며 상기 제2부재(200)에 밀착되는 너트체(120)와; 상기 복수의 탄성바(112)의 내측에 위치하며 내면에 제1암나사(131a)가 형성된 반원형의 제1너트(131)와, 상기 복수의 탄성바(112)의 내측에 위치하며 내면에 제2암나사(132a)가 형성되고 상기 제1너트(131)와 마주하는 반원형의 제2너트(132)를 구비하는 분할너트(130)와; 상기 복수의 탄성바(112) 내측에서 상기 분할너트(130)의 회전을 방지시키는 회전방지수단과; 상기 복수의 탄성바(112)로부터 상기 분할너트(130)의 이탈을 방지시키는 이탈방지수단과; 상기 분할너트(130)의 내경보다 직경이 크며 그 외주면에 상기 제1,2암나사(131a)(132a)에 나사결합되는 제2수나사(141)가 형성된 체결볼트(140);를 구비한다.The fastener assembly includes a hollow tube 110 having a first male thread 111 formed at an outer circumferential surface of one end thereof and a plurality of elastic bars 112 formed at the other end thereof and coupled to the respective fastening holes 101 and 201. ; A nut body 120 which is screwed to the first male thread 111 and is in close contact with the second member 200; A semi-circular first nut 131 located inside the plurality of elastic bars 112 and having a first female screw 131a formed therein, and a second inside of the plurality of elastic bars 112 located inside the plurality of elastic bars 112. A split nut (130) having a female thread (132a) and having a semi-circular second nut (132) facing the first nut (131); Anti-rotation means for preventing rotation of the split nut 130 inside the plurality of elastic bars 112; Separation preventing means for preventing separation of the split nut 130 from the plurality of elastic bars 112; And a fastening bolt 140 having a diameter larger than an inner diameter of the split nut 130 and having a second male thread 141 screwed to the first and second female screws 131a and 132a on an outer circumferential surface thereof.

상기 회전방지수단은 상기 제1너트(131)와 제2너트(132)의 외주면에 각각 상기 탄성바(112)가 결합되는 제1결합홈(131b)과 제2결합홈(132b)이 형성된 구조를 가진다. 이 경우 상기 체결볼트(140)가 분할너트(130)와 나사결합될때 분할너트(130)의 회전을 방지하여 체결볼트(140)와의 나사결합을 수월하게 한다.The anti-rotation means has a structure in which first coupling grooves 131b and second coupling grooves 132b to which the elastic bars 112 are coupled to outer peripheral surfaces of the first nut 131 and the second nut 132, respectively. Has In this case, when the fastening bolt 140 is screwed with the split nut 130, it prevents the rotation of the split nut 130 to facilitate screwing with the fastening bolt 140.

또한, 상기 이탈방지수단은 상기 각 탄성바(112)의 자유단부에 상기 제1너트(131)와 제2너트(132)를 지지하는 걸림턱(112a)이 형성된 구조를 가진다. 이 경우 체결볼트(140)가 분할너트(130)와의 나사결합되는 초기에 분할너트(130)가 체결볼트(140)의 진행방향으로 이동하려는 것을 정지시켜 나사결합을 용이하게 한다. In addition, the separation preventing means has a structure in which a locking step (112a) for supporting the first nut 131 and the second nut 132 is formed at the free end of each elastic bar (112). In this case, when the fastening bolt 140 is screwed with the split nut 130, the split nut 130 stops moving in the direction of the fastening bolt 140 to facilitate screwing.

한편, 본 발명 실시예에서 상기 제1부재(100)는 중공형으로 형성되고, 상기 제2부재(200)는 판상으로 형성되며, 분할너트(130)가 제1부재(100)의 내측에 위치되게 한다.Meanwhile, in the exemplary embodiment of the present invention, the first member 100 is formed in a hollow shape, the second member 200 is formed in a plate shape, and the split nut 130 is located inside the first member 100. To be.

상기와 같은 구성의 체결구 조립체는 다음과 같이 사용되어 진다.The fastener assembly of the above configuration is used as follows.

먼저, 도 4에 도시된 바와 같이, 체결하고자 하는 제1부재(100)와 제2부재(200)를 각 체결공(101)(201)이 일치하도록 하여 접하여 놓고, 중공관(110)의 탄성바(112) 내측에 분할너트(130)를 결합시킨 상태에서 중공관(110)을 체결공(101)(201)에 결합시킨다.First, as shown in FIG. 4, the first member 100 and the second member 200 to be fastened are brought into contact with each other so that the fastening holes 101 and 201 coincide with each other, and the elasticity of the hollow tube 110 is increased. The hollow tube 110 is coupled to the fastening holes 101 and 201 in a state in which the split nut 130 is coupled to the inside of the bar 112.

이때 분할너트(130)가 중공의 제1부재(100) 내측에 위치하도록 한다.At this time, the split nut 130 is positioned inside the hollow first member 100.

이어서 제2부재(200)측으로 돌출된 중공관(110)의 제1수나사(111)에 너트체(120)를 나사결합시키고, 체결볼트(140)를 중공관(110)을 통하여 분할너트(130)와 나사결합시킨다.Subsequently, the nut body 120 is screwed to the first male thread 111 of the hollow tube 110 protruding toward the second member 200, and the fastening bolt 140 is divided into the nut through the hollow tube 110. Screw)

이때 상기 분할너트(130)의 제1너트(131)와 제2너트(132)는 상기 회전방지수단과 이탈방지수단에 의해서 회전과 직선이동이 방지되어서, 체결볼트(140)와의 나사결합이 수월해진다.At this time, the first nut 131 and the second nut 132 of the split nut 130 are prevented from rotation and linear movement by the rotation preventing means and the separation preventing means, so that screwing with the fastening bolt 140 is easy. Lose.

한편, 회전과 직선이동이 방지된 상기 제1너트(131)와 제2너트(132)는 도 5에 도시된 바와 같이 체결볼트(140)와 나사결합되어지면서 방사방향으로 이동되게 되어 각 탄성바(112)를 탄성변형시키게 된다. Meanwhile, the first nut 131 and the second nut 132 which are prevented from rotating and linearly moving are radially moved while being screwed with the fastening bolt 140 as shown in FIG. Elastic deformation of the 112.

이때 체결볼트(140)의 직경이 분할너트(130)의 내경보다 크므로 상호 나사결합시 분할너트(130)의 제1너트(131)와 제2너트(132)가 탄성바(112)를 탄성변형시키면서 방사방향으로 이동되게 되는 것이다.At this time, since the diameter of the fastening bolt 140 is larger than the inner diameter of the split nut 130, the first nut 131 and the second nut 132 of the split nut 130 is elastic to the elastic bar 112 when mutually screwed together It is to be moved radially while deforming.

한편, 탄성변형된 탄성바(112)는 체결공(101)의 가장자리와 분할너트(130) 사이에 끼이게 되어 제2부재(200)측으로 빠지는 것이 방지된다.On the other hand, the elastically deformed elastic bar 112 is sandwiched between the edge of the fastening hole 101 and the split nut 130 is prevented from falling to the second member 200 side.

따라서, 본 발명 실시예의 체결구 조립체는 제1부재(100)가 중공형으로 형성됨에도 불구하고 그 내부에 확장이동되는 분할너트(130)의 채용을 가능하게 하여, 제1부재(100)와 제2부재(200)를 너트체(120)와 분할너트(130)에 의해서 안정적으로 체결시킬 수 있게 한다.Therefore, the fastener assembly according to the embodiment of the present invention enables the adoption of the split nut 130 that is extended and moved therein, even though the first member 100 is hollow. The two members 200 can be stably fastened by the nut body 120 and the split nut 130.

100...제1부재 200...제2부재
110...중공관 112...탄성바
120...너트체 130...분할너트
140...체결볼트100 ... First member 200 ... Second member
110 Hollow pipe 112 Elastic bar
120 Nut Type 130 Split Nut
140 ... Tightening Bolt

Claims (3)

각각 체결공이 형성된 제1부재와 제2부재를 체결볼트와 너트로 체결시키는 체결구 조립체에 있어서,
일단부 외주면에 제1수나사(111)가 형성되고 타단부에 복수의 탄성바(112)가 형성되며 상기 각 체결공(101)(201)에 결합되는 중공관(110)과;
상기 제1수나사(111)에 나사결합되는 암나사(121)가 형성되며 상기 제2부재(200)에 밀착되는 너트체(120)와;
상기 복수의 탄성바(112)의 내측에 위치하며 내면에 제1암나사(131a)가 형성된 반원형의 제1너트(131)와, 상기 복수의 탄성바(112)의 내측에 위치하며 내면에 제2암나사(132a)가 형성되고 상기 제1너트(131)와 마주하는 반원형의 제2너트(132)를 구비하는 분할너트(130)와;
상기 복수의 탄성바(112) 내측에서 상기 분할너트(130)의 회전을 방지시키는 회전방지수단과;
상기 복수의 탄성바(112)로부터 상기 분할너트(130)의 이탈을 방지시키는 이탈방지수단과;
상기 분할너트(130)의 내경보다 직경이 크며 그 외주면에 상기 제1,2암나사(131a)(132a)에 나사결합되는 제2수나사(141)가 형성된 체결볼트(140);를 구비하여 된 것을 특징으로 하는 체결구 조립체.In the fastener assembly for fastening the first member and the second member each formed with a fastening hole with a fastening bolt and a nut,
A hollow tube 110 formed at one end of the outer circumferential surface of the first male thread 111 and a plurality of elastic bars 112 formed at the other end thereof and coupled to the respective fastening holes 101 and 201;
A nut body 120 which is screwed to the first male thread 111 and is in close contact with the second member 200;
A semi-circular first nut 131 located inside the plurality of elastic bars 112 and having a first female screw 131a formed therein, and a second inside of the plurality of elastic bars 112 located inside the plurality of elastic bars 112. A split nut (130) having a female thread (132a) and having a semi-circular second nut (132) facing the first nut (131);
Anti-rotation means for preventing rotation of the split nut 130 inside the plurality of elastic bars 112;
Separation preventing means for preventing separation of the split nut 130 from the plurality of elastic bars 112;
And a fastening bolt 140 having a diameter larger than an inner diameter of the split nut 130 and having a second male thread 141 screwed to the first and second female screws 131a and 132a on an outer circumferential surface thereof. Fastener assembly characterized in. 제 1 항에 있어서, 상기 회전방지수단은 상기 제1너트(131)와 제2너트(132)의 외주면에 각각 상기 탄성바(112)가 결합되는 제1결합홈(131b)과 제2결합홈(132b)이 형성되고,
상기 이탈방지수단은 상기 각 탄성바(112)의 자유단부에 상기 제1너트(131)와 제2너트(132)를 지지하는 걸림턱(112a)이 형성된 것을 특징으로 하는 체결구 조립체.The method of claim 1, wherein the anti-rotation means is the first coupling groove 131b and the second coupling groove to which the elastic bar 112 is coupled to the outer circumferential surfaces of the first nut 131 and the second nut 132, respectively. 132b is formed,
The release preventing means is a fastener assembly, characterized in that the locking step (112a) for supporting the first nut (131) and the second nut (132) is formed at the free end of each elastic bar (112). 제 1 항 또는 제 2 항에 있어서, 상기 체결볼트(140)의 선단부는 직경이 감소하는 경사면(142)이 형성된 것을 특징으로 하는 체결구 조립체.The fastener assembly according to claim 1 or 2, wherein the distal end of the fastening bolt (140) has an inclined surface (142) having a reduced diameter.
KR1020110050994A 2011-05-29 2011-05-29 a bolt assembly KR101213456B1 (en)

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KR101892209B1 (en) * 2018-03-05 2018-08-27 이원기 One way bolting device
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Publication number Priority date Publication date Assignee Title
JP2002121781A (en) 2000-10-13 2002-04-26 Hokushin Kogyo Kk Water-saving piece, and water-saving device

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Publication number Priority date Publication date Assignee Title
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