WO2019039627A1 - Structure de filetage et boulon et écrou ayant une structure de filetage formée sur ceux-ci - Google Patents

Structure de filetage et boulon et écrou ayant une structure de filetage formée sur ceux-ci Download PDF

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Publication number
WO2019039627A1
WO2019039627A1 PCT/KR2017/009249 KR2017009249W WO2019039627A1 WO 2019039627 A1 WO2019039627 A1 WO 2019039627A1 KR 2017009249 W KR2017009249 W KR 2017009249W WO 2019039627 A1 WO2019039627 A1 WO 2019039627A1
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WO
WIPO (PCT)
Prior art keywords
thread
groove
nut
bolt
threaded structure
Prior art date
Application number
PCT/KR2017/009249
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English (en)
Korean (ko)
Inventor
한동렬
Original Assignee
한동렬
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한동렬 filed Critical 한동렬
Publication of WO2019039627A1 publication Critical patent/WO2019039627A1/fr

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Classifications

    • 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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/30—Locking exclusively by special shape of the screw-thread

Definitions

  • the present invention relates to a threaded structure and a bolt and a nut formed with a threaded structure and more particularly to a threaded structure for preventing a threaded joint from being loosened due to an external force, To a bolt and a nut in which a threaded structure is formed.
  • Screw joint means that the groove is made out of the cylinder by bolt and bolt and the nut is screwed in the inside of the cylinder to distinguish it from welding or flange.
  • the screw threads are formed continuously with the horizontal line at a certain angle (?). Then, the bolts or nuts having male and female threads are rotated together with the rotations applied in the vertical direction so that both are engaged.
  • FIG. 1 is a view of a threaded structure for performing a conventional unlocking function
  • FIG. 2 is a view for explaining a concept of preventing loosening through the structure of FIG.
  • a continuous groove 1a is formed at the end of the thread 1.
  • the first thread 1b and the second thread 1c are formed at the end of the thread 1 according to the formation of the groove 1a.
  • the angle? 2 formed by the first screw thread 1b and the second screw thread is larger than the angle? 1 formed by the thread.
  • the present invention has been devised in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a threaded structure and a threaded structure capable of reducing disadvantages while maintaining the advantages of a thread- Bolts or nuts.
  • the threaded structure of the present invention includes a threaded portion formed on a body and a body and having a first groove along a rotating direction at a tip thereof and a second groove formed in a direction transverse to the first groove.
  • the second grooves may be formed to cross the plurality of first grooves.
  • the second grooves may be formed to form a predetermined angle in the vertical direction.
  • the thread is divided into a coupling region to be engaged with a thread groove to be engaged and a non-coupling region to be exposed, and the second groove can be formed in the non-coupling region.
  • the above-described threaded structure may be formed.
  • the present invention provides a bolt or a nut having a threaded structure and a threaded structure, which has the following effects.
  • FIG. 1 is a view of a threaded structure for performing a conventional unlocking function
  • FIG. 2 is a view for explaining a concept of preventing loosening through the structure of FIG. 1;
  • FIG. 3 is a perspective view of a bolt formed with a threaded structure according to an embodiment of the present invention
  • FIG. 4 is a perspective view showing a state where a nut is coupled to a bolt formed with a threaded structure according to an embodiment of the present invention
  • FIG. 5 and FIG. 6 are diagrams for explaining a step effect by the second groove
  • FIGS. 7 to 11 are perspective views showing bolts of another embodiment of the present invention.
  • FIGS. 12 to 17 are perspective views showing a bolt according to another embodiment of the present invention.
  • FIG. 3 is a perspective view of a bolt having a threaded structure according to an embodiment of the present invention.
  • the threaded structure of the present invention may be formed on the outer circumferential surface of the bolt or on the inner circumferential surface of the nut.
  • FIG. 3 for the sake of convenience, the description will be made on the basis of a case where it is formed on the outer peripheral surface of the bolt 10.
  • a bolt having a threaded structure is formed with a thread 11 on an outer circumferential surface of a body 10 of a cylindrical body.
  • a first groove 11a for forming a first screw thread 11b and a second screw thread 11c is formed at an end of the screw thread 11a.
  • the second groove 12 is formed in a direction crossing the first groove 11a.
  • the first grooves 11a are not continuously connected, but are short-circuited by the second grooves 12.
  • the second groove 12 in this embodiment is formed only at a depth of a part of the thread 11, there is no limitation on the depth of the recess 11 of the thread 11 as long as the first groove 11a is short-circuited , Preferably less than half the thread height.
  • the second groove 12 may be formed to cross the plurality of first grooves 11a of the thread 11. Since a plurality of threads 11 are formed on the circumferential surface of the body 10, when the second grooves 12 are formed in the upward and downward directions as shown in FIG. 3, the plurality of first grooves 11, As shown in FIG.
  • FIG. 4 is a perspective view showing a state in which a nut is coupled to a bolt formed with a threaded structure according to an embodiment of the present invention
  • FIG. 5 is a view for explaining a step effect by the second groove.
  • first screw thread 11b 'and the second screw thread 11c' on both sides of the first groove 11a which are not engaged with the nut 20 are formed at an angle 2) larger than the angle? 1 (see Fig. 6). Therefore, it functions to form a barrier that can not directly enter the threaded boss 22 of the nut 20.
  • the second groove 12 is formed so as to cross the plurality of first grooves 11 located in the upward and downward directions, so that the effect of forming a plurality of steps is obtained.
  • FIG. 7 and 8 are perspective views showing a bolt according to another embodiment of the present invention.
  • the second groove 12A may be formed at one point of the thread 11.
  • the second groove 12B in this embodiment is arranged to be inclined in a specific direction in the vertical direction.
  • the two threads 11a and 11b come into contact with the thread grooves of the nut sequentially. Therefore, in order to unscrew the nut 20, the effect of exceeding the first screw thread 11b 'and the second screw thread 11c', that is, the step of two passes, is obtained, and the force required for tightening the nut is relatively small have.
  • the second groove 12C is formed so as to penetrate the plurality of threads 11 only in a part of the body 10 other than the whole.
  • the body 10 is generally divided into a coupling region in which a thread groove engaging with the thread 11 is engaged and a non-coupling region in which the thread groove is exposed.
  • the second groove 12C is formed only in the non-engagement area where no thread groove is formed.
  • the second groove 12C is formed only in the non-coupling region that is not engaged with the thread 11.
  • the second groove 12D in this embodiment shows that it can be formed in various shapes without a specific pattern.
  • the threaded structure of the present invention may be formed on the bolt or the nut as described above. And may also be applied to various fastening structures that are fastened by threads and threaded grooves.
  • Fig. 12 is a perspective view of a threaded structure according to another embodiment of the present invention
  • Fig. 13 is a sectional view of one end of Fig.
  • the threaded structure in this embodiment has one projection 111a formed on the entire surface of the thread, unlike the above embodiment.
  • the thread 111 in this embodiment is formed to protrude from the body 110 and is spaced apart from the end of the thread groove by a predetermined distance so that a space is formed between the end of the threaded groove.
  • a projection 111 continuously protruding along the thread is formed at the front center of the thread so as to contact the end of the thread groove.
  • the end of the thread is formed to be shorter than the depth of the thread groove so that a certain space is formed between the front of the thread and the end of the thread groove.
  • the projections to be described later are deformed without interference while being in contact with the ends of the screw grooves.
  • FIG. 14 is a view for explaining a process of deformation by external force according to another embodiment of the present invention.
  • FIG. 1 when an external force is applied in a specific direction, opposing surfaces of threads and thread grooves that are spaced apart from each other come into contact with external force applied in either direction.
  • the end of the projection is in a state of being in contact with the end of the thread groove and deformed.
  • the projections undergo elastic deformation in the state of being in contact with the thread groove due to the continuous external force through the deformation within the elastic region of the material.
  • part of the applied external force is exhausted when the projection is deformed, not by the movement of the thread, and consequently, the threshold value for the external force for releasing the fastening structure is increased.
  • the second groove across the thread may be formed at various angles as in the above-described embodiment.
  • the projections are formed continuously with the threads, and the external force necessary for fastening increases by a certain amount as compared with a general screw fastening structure in which no projections are formed because the projections are in continuous contact with the screw grooves.
  • the projection can be prevented from being partially engaged with the screw groove, and the effect of adjusting the force required for fastening can be derived.
  • the threaded structure of the present invention may be formed on the bolt or the nut as described above. And may also be applied to various fastening structures that are fastened by threads and threaded grooves.
  • FIG. 17 is a view for explaining the process of forming the projections of this embodiment.
  • an external force due to the shape of the mold is applied to the upper and the rear of the thread during the process of forming the thread.
  • protrusions are formed while pressing the material according to application of an external force to the upper and the rear of the thread, and the protrusions are formed to be higher than the height at which the actual thread is formed by a certain distance d.
  • the protrusions 111a are formed at the ends of the threaded threads in Figs. 13 to 14, since the height of the protrusions is formed to be higher than the original height of the threads Contact.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

Structure de filetage comprenant, selon la présente invention : un corps ; et un filetage formé pour faire saillie à partir du corps, une extrémité du filetage ayant une première rainure formée sur celle-ci le long d'une direction de rotation et ayant une seconde rainure formée sur celle-ci dans une direction telle que celle-ci s'étend à travers la première rainure.
PCT/KR2017/009249 2017-08-23 2017-08-24 Structure de filetage et boulon et écrou ayant une structure de filetage formée sur ceux-ci WO2019039627A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20170106851 2017-08-23
KR10-2017-0106851 2017-08-23

Publications (1)

Publication Number Publication Date
WO2019039627A1 true WO2019039627A1 (fr) 2019-02-28

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PCT/KR2017/009249 WO2019039627A1 (fr) 2017-08-23 2017-08-24 Structure de filetage et boulon et écrou ayant une structure de filetage formée sur ceux-ci

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KR (1) KR102009665B1 (fr)
WO (1) WO2019039627A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000028292A1 (it) * 2020-11-25 2022-05-25 A Agrati S P A Elemento di serraggio con filettatura interna rullata, a profilo pieno

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6885621B2 (ja) * 2019-06-06 2021-06-16 木構造技研有限会社 ラグスクリューボルト及びその木質材への埋設方法

Citations (6)

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JP3002824U (ja) * 1994-04-06 1994-10-04 株式会社サンエー メガネ
JPH0783224A (ja) * 1993-07-23 1995-03-28 Justy:Kk ロックボルトおよびロックナット
JPH07139536A (ja) * 1993-11-19 1995-05-30 Tomimura Noriko 締結部材およびその製造方法
KR20020055224A (ko) * 2000-12-28 2002-07-08 박홍순 풀림방지 구조를 갖는 보울트 체결수단
KR20100055463A (ko) * 2007-08-13 2010-05-26 리써치 엔지니어링 앤 매뉴팩쳐링, 인크. 나사산 로킹/프리베일링 토크 패스너 및 패스너 조립체
JP2013142471A (ja) * 2012-01-06 2013-07-22 Meidoh Co Ltd ボルトおよびボルトの製造ダイス

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KR820000413B1 (ko) * 1978-11-04 1982-03-29 요시오끼 도모야스 셀프록크(Self-lock)나사 부재
JPH0297709A (ja) * 1988-09-30 1990-04-10 Takuya Mikajiri ゆるみ止めねじ
JPH0283224A (ja) * 1988-09-19 1990-03-23 Chisso Corp 合成石英ガラス粉末の製造方法
JPH0438099Y2 (fr) * 1989-01-27 1992-09-07
JPH0558931U (ja) * 1992-01-21 1993-08-03 株式会社サンノハシ 緩み止めボルト
US5340254A (en) * 1992-01-31 1994-08-23 Textron Inc. Thread forming screw for forming an internal thread in a low ductility material
JP3002824B1 (ja) 1998-08-06 2000-01-24 株式会社京都第一科学 試験片洗除装置
KR20000072765A (ko) * 2000-09-20 2000-12-05 윤진용 진동 볼트 및 너트
JP4276775B2 (ja) 2000-10-02 2009-06-10 石森 悠索 ねじ部材
JP2007100858A (ja) 2005-10-05 2007-04-19 Nagoya Industrial Science Research Inst マルチピッチボルト、マルチピッチボルト及びナット
CN101614307B (zh) 2008-06-27 2012-10-24 上海泛华紧固系统有限公司 密封管道外螺纹的制造方法、装置及其产品
US9404524B2 (en) 2013-07-19 2016-08-02 Conti Fasteners High performance thread rolling screw/bolt for use in an unthreaded nut anchor
JP2015187492A (ja) 2014-03-11 2015-10-29 辻坂 宏 緩み止め機能を備えるボルトのねじ山の構造およびその製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0783224A (ja) * 1993-07-23 1995-03-28 Justy:Kk ロックボルトおよびロックナット
JPH07139536A (ja) * 1993-11-19 1995-05-30 Tomimura Noriko 締結部材およびその製造方法
JP3002824U (ja) * 1994-04-06 1994-10-04 株式会社サンエー メガネ
KR20020055224A (ko) * 2000-12-28 2002-07-08 박홍순 풀림방지 구조를 갖는 보울트 체결수단
KR20100055463A (ko) * 2007-08-13 2010-05-26 리써치 엔지니어링 앤 매뉴팩쳐링, 인크. 나사산 로킹/프리베일링 토크 패스너 및 패스너 조립체
JP2013142471A (ja) * 2012-01-06 2013-07-22 Meidoh Co Ltd ボルトおよびボルトの製造ダイス

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000028292A1 (it) * 2020-11-25 2022-05-25 A Agrati S P A Elemento di serraggio con filettatura interna rullata, a profilo pieno
EP4006365A1 (fr) 2020-11-25 2022-06-01 A. AGRATI S.p.A. Un élément de transmission de couple à filetage roulé interne, à profil plein

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KR102009665B1 (ko) 2019-08-13
KR20190022328A (ko) 2019-03-06

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