KR20100010843U - Joint bolt and nut for scaffolding clamp - Google Patents

Joint bolt and nut for scaffolding clamp Download PDF

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Publication number
KR20100010843U
KR20100010843U KR2020090005041U KR20090005041U KR20100010843U KR 20100010843 U KR20100010843 U KR 20100010843U KR 2020090005041 U KR2020090005041 U KR 2020090005041U KR 20090005041 U KR20090005041 U KR 20090005041U KR 20100010843 U KR20100010843 U KR 20100010843U
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KR
South Korea
Prior art keywords
nut
tightening
trumpet
outer diameter
fastening bolt
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Application number
KR2020090005041U
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Korean (ko)
Inventor
김규배
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주식회사 금호
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Priority to KR2020090005041U priority Critical patent/KR20100010843U/en
Publication of KR20100010843U publication Critical patent/KR20100010843U/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/02—Connections between parts of the scaffold with separate coupling elements
    • E04G7/06—Stiff scaffolding clamps for connecting scaffold members of common shape
    • 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
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/065—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using screw-thread 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
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/10—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using pivoting jaws

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

본 고안은 건축공사장에서 비계부재를 결속하거나 각종 가설자재를 연결할 때 사용하는 비계크램프용 체결볼트 및 조임너트의 구조를 개량하여 조임너트가 체결 볼트에서 풀려도 체결볼트 끝에서 이탈되지 않게 구성한 것이다.The present invention is to improve the structure of the fastening bolts and tightening nuts for the scaffolding clamp used when binding the scaffold member or connecting various temporary materials at the construction site, so that the tightening nut is not released from the end of the fastening bolt even if the tightening nut is released from the fastening bolt.

즉, 본 고안은 크램프본체(1)의 일측단(1a)에 조임덮개(2)의 연결부(2a)를 힌지축(3)으로 연결하고 크램프본체의 타측단(1b)에 체결볼트(4)의 연결부(4a)를 힌지축(5)으로 연결하여 체결볼트(4)의 나사부(4b)를 조임덮개(2)의 연결홈(2b)에 끼워 연결홈 외측에서 조임너트(6)를 조여 조임덮개를 긴장시키고 조임너트를 풀어 조임덮개를 이완시키는 구성의 크램프에 있어서,That is, the present invention connects the connecting portion (2a) of the tightening cover (2) to the hinge shaft (3) to one side end (1a) of the clamp body (1) and fastening bolt (4) to the other end (1b) of the clamp body (1) Connect the connecting portion 4a of the hinge shaft 5 to the threaded portion 4b of the fastening bolt 4 to the connecting groove 2b of the tightening cover 2, and tighten the tightening nut 6 from the outside of the connecting groove. In a clamp configured to relax the captive cover by tensioning the cover and loosening the captive nut,

체결볼트(4)의 나사부(4b) 끝에 길이 방향을 따라 조임너트를 수용할 길이 만큼 연장되고 외경이 나사부 외경보다 적은 나사가 없는 공회전축부(401)를 형성하여 그 외측단부에 볼트의 나사부 외경보다는 크고 너트의 외경보다는 적은 외경을 가지는 환상의 나팔형 지지축부(402)를 형성하고 조임너트(6)의 암나사 나사공외측부에 볼트의 나팔형지지축부에 결합하는 나팔형 결합공(6a)을 형성하여 공회전축부에 이동된 조임너트의 나팔형 결합공이 공회전축부 끝에 형성된 나팔형 지지축부에 결합하여 안정된 상태로 공회전됨에 체결볼트에서 풀린 조림너트가 외부로 이탈되지 않도록 한 것이다.At the end of the threaded portion 4b of the fastening bolt 4, an idle shaft 401 is formed which extends the length of the tightening nut along the lengthwise direction and has an outer diameter of less than the threaded outer diameter so that the outer end thereof has a screw thread outer diameter. An annular trumpet-shaped support shaft portion 402 having an outer diameter larger and smaller than the outer diameter of the nut is formed, and a trumpet-shaped coupling hole 6a is formed at the outer side of the female threaded screw hole of the tightening nut 6 to engage the trumpet-shaped support shaft portion of the bolt. Trumpet-shaped coupling hole of the tightening nut moved to the idling shaft portion is coupled to the trumpet-shaped support shaft formed at the end of the idling shaft portion is idling in a stable state so that the squeezing nut loosened from the fastening bolt is not separated to the outside.

크램프본체, 조임덮개, 연결부, 연결홈, 힌지축 Clamp body, captive cover, connecting part, connecting groove, hinge shaft

Description

비계 크램프용 체결볼트 및 조임 너트{joint bolt and nut for scaffolding clamp}Joint bolt and nut for scaffolding clamp

본 고안은 건축공사장에서 비계부재를 결속하거나 각종 가설 자재를 연결할 때 사용하는 비계크램프용 체결볼트 및 조임너트 구조를 개량하여 조임너트가 체결볼트끝에서 이탈되지 않게 구성한 것이다.The present invention is designed so that the fastening nut does not escape from the end of the fastening bolt by improving the structure of the fastening bolt and the fastening nut for the scaffolding clamp used when binding the scaffold member or connecting various temporary materials at the construction site.

종래의 크램프는 크램프 본체의 일단에 조임덮개의 연결부를 힌지축으로 연결하고 본체의 타측단에 볼트의 연결부를 힌지축으로 연결하여 볼트의 나사부가 조임덮개의 연결홈에 끼워 조임너트로 긴장시켜서 조임덮개를 고정시키고 볼트의 나사부에 결합된 조임너트를 풀어서 이완시키는 수단으로 비계부재를 결속하고 있으나 크램프의 볼트에서 조임너트가 풀릴 때 외부로 이탈되는 일이 잦아 너트를 잃어버리는 일이 많으므로 이탈방지용 턱을 만들어 사용하고 있다.Conventional clamps are connected to one end of the clamp body by hinge shafts, and the other end of the body is connected to the bolt shafts by hinge shafts. The scaffolding member is fixed as a means of fixing the cover and releasing the tightening nut coupled to the threaded part of the bolt.However, when the tightening nut is loosened from the clamp bolt, the nut is frequently released to the outside, so the nut is lost. I make a chin and use it.

그러나 조임너트를 조이고 푸는데 사용되는 공구가 전동공구인 임펙트랜치를 사용하므로 조임너트가 풀릴 때 고속회전하여 풀린너트가 나사부에서 빠르게 이동 하면서 나사부 끝으로 이동하기 때문에 볼트의 나사부에 형성시킨 이탈방지턱에 부딪치게 되어 나사부에 손상이 발생하는 결점이 있어 쉽게 파손되므로 수명이 짧아지는 결점이 있었다.However, since the tool used to tighten and loosen the tightening nut uses the impact wrench, which is a power tool, it rotates at high speed when the tightening nut is released, and the loosened nut moves quickly from the threaded portion to the end of the threaded portion. As a result, there is a defect that damage occurs in the screw part, so it is easily broken, so there is a defect that the life is shortened.

본 고안은 위와 같은 종래의 결점을 시정하기 위하여 개발한 것이다.The present invention has been developed to correct the above conventional drawbacks.

본 고안은 크램프의 볼트 끝에 조임너트를 수용할 길이를 유지하고 직경이 나사부 외경보다 적은 외경으로 되는 공회전축부를 연장되게 형성하고 그 끝에 볼트의 나사부 외경보다는 크고 너트의 외경보다는 적은 외경을 가지고 환상으로 되는 나팔형 지지축부를 형성하고 조임은 너트의 암나사 외측에는 공회전축부에 형성된 나팔형 지지축부에 결합하는 나팔형 결합공을 형성하여 체결볼트에 결합된 조임너트가 나사부에서 풀려 공회전축부로 이동되면 나팔형 지지축부에 나팔형 결합공이 결합하여 안정된 상태로 공회전하여 이탈을 방지하면서 조임너트의 손상을 방지하고 다음 체결작업이 편리하도록 구성한 것이다.The present invention maintains a length to accommodate the tightening nut at the end of the bolt of the clamp, and forms an extended shaft portion whose diameter is smaller than the outer diameter of the thread, and at the end has an outer diameter larger than the outer diameter of the bolt and smaller than the outer diameter of the nut. Forming a trumpet-shaped support shaft and tightening the nut to form a trumpet-type coupling hole coupled to the trumpet-shaped support shaft formed on the idle shaft, and the tightening nut coupled to the fastening bolt is released from the screw and moved to the idle shaft. The trumpet-shaped coupling hole is coupled to the support shaft to prevent idling by idling in a stable state, preventing damage to the tightening nut and configuring the next fastening operation.

이와 같이 된 본 고안은 크램프의 체결볼트(4) 나사부(4b)끝에서 외측으로 조임너트를 수용할 수 있는 길이를 가지는 공회전축부(401)가 형성되어 그 외측단에 나팔형상으로 된 지지축부(402)가 형성되고 그 외경이 볼트의 나사부 외경보다는 크고 너트의 외경보다는 작은 조건을 가지면서 환상으로 구성되어 있고, 체결볼트의 나사부에 나사결합된 조임너트는 암나사가 형성된 나사공 외측에 나팔형상의 결합공(6a)이 형성되어 체결볼트의 나사부에서 풀린 조임너트가 공회전축부로 이동되면 나팔형 결합공이 나팔형 지지축부에 결합하여 안정된 상태로 공회전하므로 체결볼트의 나사부에서 완전히 이완된 위치에서 제자리회전을 하므로 볼트나 너트의 나사부가 손상을 입지않게 되면서 공회전축부에서 머물게 되어 이탈이 방지되는 효과가 있다.Thus, the present invention has an idle shaft portion 401 having a length that can accommodate the tightening nut from the end of the fastening bolt (4) screw portion (4b) of the clamp clamp is formed in the trumpet shape at the outer end ( 402) is formed and its outer diameter is larger than the outer diameter of the bolt and smaller than the outer diameter of the nut and has an annular shape, and the tightening nut screwed to the threaded portion of the fastening bolt has a trumpet shape on the outside of the threaded hole in which the female thread is formed. When the fastening nut loosened from the screw part of the fastening bolt is moved to the idle shaft part when the coupling hole 6a is formed, the trumpet-shaped coupling hole engages with the trumpet support shaft to idle in a stable state and rotates in place at the fully relaxed position at the screw part of the fastening bolt. Since it does not damage the threaded portion of the bolt or nut, it stays in the idle shaft portion has the effect of preventing the departure.

따라서 전동공구인 임펙트렌치로 조임너트를 풀고 조인다 해도 전동공구의 강한 회전에 구애됨이 없이 조임너트의 나사손상을 방지하여 크램프의 수명을 내구성 있게 하는 효과를 얻을 수 있는 장점이 있다.Therefore, even if the tightening nut is loosened and tightened with the impact wrench, which is a power tool, the screw nut of the tightening nut can be prevented without affecting the strong rotation of the power tool, thereby obtaining the effect of making the clamp life durable.

한편, 본 고안은 체결볼트(4)의 나사부(4b)에 조임너트(6)의 나사공외측에 나팔형상의 결합공을 형성시켜서 체결볼트에 나사 결합하고 공회전축부(401)끝을 나팔형상으로 확대시켜서 나팔형지지축부(402)를 형성시키는 수단으로 제작이 이루어지며 이를 통해 본 고안이 추구하는 조임너트의 이탈방지목적이 달성되게 된다.Meanwhile, the present invention forms a trumpet-shaped coupling hole on the screw hole 4b of the fastening bolt 4 on the outer side of the screw hole of the tightening nut 6 so that the screw is screwed to the fastening bolt and the end of the idle shaft portion 401 is in a trumpet shape. Production is made by means of forming the trumpet-shaped support shaft portion 402 by expanding, thereby achieving the purpose of preventing separation of the tightening nut pursued by the present invention.

본 고안은 크램프본체(1)의 일측단(1a)에 조임덮개(2)의 연결부(2a)를 힌지축(3)으로 연결하고 크램프본체의 타측단(1b)에 체결볼트(4)의 연결부(4a)를 힌지 축(5)으로 연결하여 체결볼트(4)의 나사부(4b)를 조임덮개(2)의 연결홈(2b)에 끼워 연결홈 외측에서 조임너트(6)를 조여 조임덮개를 긴장시키고 조임너트를 풀어서 조임덮개를 이완시키는 것에 있어서,The present invention connects the connecting portion (2a) of the tightening cover (2) to the hinge shaft (3) to one side end (1a) of the clamp body (1) and the connecting portion of the fastening bolt (4) to the other end (1b) of the clamp body (1) (4a) to the hinge shaft (5) to insert the screw part (4b) of the fastening bolt (4) into the connecting groove (2b) of the tightening cover (2) and tighten the tightening nut (6) from the outside of the connecting groove to tighten the tightening cover To relax the captive cover by tensioning and releasing the captive nut,

체결볼트(4)의 나사부(4b) 끝에 길이 방향을 따라 조임너트를 수용할 수 있는 길이 만큼 연장되고 외경이 나사부 외경보다 적으며 나사가 없는 공회전축부(401)를 형성하여 그 외측단부에 볼트의 나사부 외경보다는 크고 조임너트의 외경보다는 적은 외경을 가지는 환상의 나팔형 지지축부(402)를 형성하고 조임너트(6)는 암나사가 형성된 나사공 외측부에 볼트의 나팔형지지축부에 대응하는 나팔형 결합공(6a)를 형성하여 공회전축부에 조임너트가 이동되면 조임너트의 나팔형 결합공이 공회전축부의 나팔형 지지축부에 결합하여 공회전되게 함으로써 조임너트가 체결볼트에서 이탈되지 않게 한 구성이다.At the end of the threaded portion 4b of the fastening bolt 4, a length of the fastening nut is extended along the lengthwise direction to accommodate the tightening nut, the outer diameter of which is smaller than the outer diameter of the screw portion, and a screwless idle shaft portion 401 is formed. The annular trumpet-shaped support shaft portion 402 having an outer diameter larger than the outer diameter of the threaded portion and smaller than the outer diameter of the tightening nut is formed, and the tightening nut 6 is a trumpet-type coupling corresponding to the trumpet-shaped support shaft portion of the bolt at the outer side of the threaded hole in which the female thread is formed. When the tightening nut is moved to the idle shaft by forming the ball 6a, the trumpet coupling hole of the tightening nut is coupled to the trumpet-shaped support shaft of the idle shaft so that the tightening nut is not released from the fastening bolt.

미설명부호 10은 두개의 크램프본체(1)를 회동가능케 결합하는 연결축이다.Reference numeral 10 is a connecting shaft for rotatably coupling the two clamp body (1).

도 1은 본 고안이 실시된 사시도1 is a perspective view of the present invention

도 2는 본 고안의 요부 파절 다면도Figure 2 is a side view of the main fracture fracture of the present invention

도 3은 본 고안의 작동상태를 보이는 예시단면도이다.Figure 3 is an exemplary cross-sectional view showing an operating state of the present invention.

* 도면의 주요부분에 대한 부호설명* Explanation of symbols on the main parts of the drawings

1 : 크램프본체 1a : 일측단1: Clamp Body 1a: One End

1b : 타측단 2 : 조임덮개1b: other end 2: captive cover

2a : 연결부 2b : 연결홈2a: Connecting part 2b: Connecting groove

4 : 체결볼트 4a : 연결부4: Fastening bolt 4a: Connecting part

5 : 힌지축 6 : 조임너트5 hinge shaft 6 tightening nut

6a : 결합공 401 : 공회전축부6a: coupling hole 401: idle shaft

402 : 나팔형지지축부 10 : 연결축402: trumpet support shaft portion 10: connecting shaft

Claims (1)

크램프본체(1)의 일측단(1a)에 조임덮개(2)의 연결부(2a)를 힌지축(3)으로 연결하고 크램프본체의 타측단(1b)에 체결볼트(4)의 연결부(4a)를 힌지축(5)으로 연결하여 체결볼트(4)의 나사부(4b)를 조임덮개(2)의 연결홈(2b)에 끼워 연결홈 외측에서 조임너트(6)를 조여 조임덮개를 긴장시키고 조임너트를 풀어서 조임덮개를 이완시키는 것에 있어서,The connecting portion 2a of the tightening cover 2 is connected to the hinge shaft 3 at one end 1a of the clamp body 1, and the connecting portion 4a of the fastening bolt 4 is connected to the other end 1b of the clamp body. To the hinge shaft (5) and insert the screw part (4b) of the fastening bolt (4) into the connecting groove (2b) of the tightening cover (2) to tighten the tightening nut (6) from the outside of the connecting groove to tighten and tighten the tightening cover In loosening the nut to relax the captive cover, 체결볼트(4)의 나사부(4b) 끝에 길이 방향을 따라 조임너트를 수용할 수 있는 길이 만큼 연장되고 외경이 나사부 외경보다 적으며 나사가 없는 공회전축부(401)를 형성하여 그 외측단부에 볼트의 나사부 외경보다는 크고 조임너트의 외경보다는 적은 외경을 가지는 환상의 나팔형 지지축부(402)를 형성하고 조임너트(6)는 암나사가 형성된 나사공 외측부에 볼트의 나팔형지지축부에 대응하는 나팔형 결합공(6a)를 형성하여 공회전축부에 조임너트가 이동되면 조임너트의 나팔형 결합공이 공회전축부의 나팔형 지지축부에 결합하여 공회전되게 한 비계크램프용 체결볼트 및 조임 너트구조At the end of the threaded portion 4b of the fastening bolt 4, a length of the fastening nut is extended along the lengthwise direction to accommodate the tightening nut, the outer diameter of which is smaller than the outer diameter of the screw portion, and a screwless idle shaft portion 401 is formed. The annular trumpet-shaped support shaft portion 402 having an outer diameter larger than the outer diameter of the threaded portion and smaller than the outer diameter of the tightening nut is formed, and the tightening nut 6 is a trumpet-type coupling corresponding to the trumpet-shaped support shaft portion of the bolt at the outer side of the threaded hole in which the female thread is formed. Fastening nut and fastening nut structure for the scaffolding clamp, which makes a ball (6a) to move the tightening nut to the idle shaft, the trumpet coupling hole of the tightening nut is coupled to the trumpet support shaft of the idle shaft
KR2020090005041U 2009-04-27 2009-04-27 Joint bolt and nut for scaffolding clamp KR20100010843U (en)

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KR2020090005041U KR20100010843U (en) 2009-04-27 2009-04-27 Joint bolt and nut for scaffolding clamp

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113819117A (en) * 2021-09-14 2021-12-21 江苏翔飞建筑机械有限公司 Light special-shaped fastener with adjustable spacing and adjusting method thereof
JP2022182982A (en) * 2021-05-28 2022-12-08 大洋ナット工業株式会社 Single pipe clamp including screw rod with nut

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022182982A (en) * 2021-05-28 2022-12-08 大洋ナット工業株式会社 Single pipe clamp including screw rod with nut
CN113819117A (en) * 2021-09-14 2021-12-21 江苏翔飞建筑机械有限公司 Light special-shaped fastener with adjustable spacing and adjusting method thereof

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