[go: up one dir, main page]

WO2016039578A1 - Ensemble d'écrou - Google Patents

Ensemble d'écrou Download PDF

Info

Publication number
WO2016039578A1
WO2016039578A1 PCT/KR2015/009569 KR2015009569W WO2016039578A1 WO 2016039578 A1 WO2016039578 A1 WO 2016039578A1 KR 2015009569 W KR2015009569 W KR 2015009569W WO 2016039578 A1 WO2016039578 A1 WO 2016039578A1
Authority
WO
WIPO (PCT)
Prior art keywords
nut
main
wall
main nut
bolt
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2015/009569
Other languages
English (en)
Korean (ko)
Inventor
이재형
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from KR1020150091183A external-priority patent/KR20160031398A/ko
Application filed by Individual filed Critical Individual
Publication of WO2016039578A1 publication Critical patent/WO2016039578A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
    • 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
    • F16B39/284—Locking by means of elastic deformation
    • 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
    • F16B39/284—Locking by means of elastic deformation
    • F16B39/286—Locking by means of elastic deformation caused by saw cuts

Definitions

  • the present invention relates to a nut assembly.
  • nuts are coupled to bolts fastened to a specific fastening object, and general nuts and anti-loosening nuts are used for these nuts.
  • the anti-loosening nuts currently used include U nut, nylon nut, Teflon nut, spring washer nut, T-lock nut, node lock nut, ERM nut, double nut and OT nut. It is used in various ways.
  • Korean Unexamined Patent Publication No. 10-2013-0073175 discloses a double nut for preventing loosening
  • Korean Unexamined Patent Publication No. 10-2001-0021476 discloses a nut body having a loosening prevention spring.
  • the present invention is to provide a nut assembly that is prevented from loosening after fastening to the bolt.
  • the cut-out portion is formed in the vertical direction cut at one point in the circumferential direction, the main nut formed with one or more ridges protruding to the outer surface; And an outer wall nut accommodating the main nut therein and having an accommodating part having a shape corresponding to the ridge portion around an inner surface thereof.
  • a lower part of the inner surface of the outer wall nut may be provided with a support for supporting the lower surface of the main nut.
  • the lower surface of the main nut is formed to be inclined
  • the locking jaw is formed in a portion of the lower surface is discontinuous
  • the outer wall nut is the support portion is formed in a ring shape
  • the upper surface of the support portion is the lower surface of the main nut It may be inclined to correspond to.
  • the inclination of the lower surface of the main nut may be formed opposite to the inclination direction of the screw thread formed on the inner surface of the main nut.
  • main nut may further include an extension extending downward from the bottom surface.
  • a nut assembly may be provided to prevent loosening after fastening to a bolt.
  • FIG. 1 is a perspective view of a nut assembly according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the nut assembly of FIG. 1.
  • FIG 3 is a plan view of the nut assembly showing the state when in the process of being rotated with respect to the bolt.
  • FIG. 4 is a plan view of the nut assembly with the fastening to the bolt completed.
  • FIG. 5 is an exploded perspective view of a nut assembly according to another embodiment.
  • FIG. 6 is a bottom perspective view of the main nut of FIG. 5.
  • FIG. 7 is a cutaway perspective view of the outer wall nut of FIG. 5.
  • FIG. 10 is an exploded perspective view of a nut assembly according to another embodiment.
  • FIG. 11 is a cross-sectional view of the nut assembly of FIG. 10.
  • FIG. 12 is an exploded perspective view of a nut assembly according to a fourth embodiment.
  • FIG. 13 is a cross-sectional view of the nut assembly of FIG. 12.
  • FIG 14 is a cross-sectional view of the nut assembly according to the fifth embodiment.
  • FIG. 15 is a partially enlarged view of FIG. 14.
  • FIG. 1 is a perspective view of a nut assembly according to an embodiment of the present invention
  • Figure 2 is an exploded perspective view of the nut assembly of FIG.
  • the nut assembly 10 includes a main nut 100 and an outer wall nut 200.
  • the main nut 100 is provided to be fastened with the bolt.
  • Arrow (D) shows the fastening direction of the bolt.
  • the main nut 100 is provided in a ring shape having a set width in the vertical direction.
  • the main nut 100 has an incision 110 cut in an up and down direction at one point in the circumferential direction.
  • the inner surface of the main nut 100 is formed with a thread 111 is fastened to the bolt.
  • the inner circumference of the main nut 100 may be provided in a circular shape.
  • One or more ridges 112 protrude from the outer surface of the main nut 100.
  • the ridge 112 may be formed in the vertical direction of the main nut 100.
  • the thickness between the inner surface and the outer surface is formed to be thicker than the surroundings.
  • the outer surface of the main nut 100 when viewed from above may have a substantially hexagonal shape.
  • the cutout 110 may be formed at the ridge 112 or at a point adjacent to the ridge 112.
  • the outer wall nut 200 is provided to receive the main nut 100 inside.
  • the outer wall nut 200 is provided in a ring shape having a set width up and down.
  • the inner surface of the outer wall nut 200 has a shape corresponding to the outer surface of the main nut 100.
  • the receiving portion 210 in which the ridge 112 is located is formed around the inner surface of the outer wall nut 200. Therefore, the main nut 100 may be coupled to the outer wall nut 200 in such a manner that the ridge 112 and the receiving portion 210 are inserted into the outer wall nut 200 in a vertically aligned state.
  • the support part 211 protrudes in the inner surface direction of the inner surface lower part of the outer wall nut 200.
  • the support part 211 may protrude in a ring shape or protrude one or more in a protrusion shape along the inner circumference of the outer wall nut 200.
  • the support part 211 supports the lower surface of the main nut 100 inserted into the outer wall nut 200.
  • Figure 3 is a plan view of the nut assembly showing the state when in the process of being rotated with respect to the bolt
  • Figure 4 is a plan view of the nut assembly in the state that the fastening is completed for the bolt.
  • the nut assembly 10 is fastened to the bolt with the ridge 112 of the main nut 100 positioned at the receiving portion 210 of the outer wall nut 200.
  • the main nut 100 is rotated with the outer wall nut 200 and is fastened to the bolt while being rotated with respect to the bolt.
  • the inner surface of the outer wall nut 200 is not formed in the receiving portion 210, since the distance from the center of rotation is formed shorter than the receiving portion 210, the force is applied to the raised portion 112 in the inward direction.
  • the main nut 100 having the cutout 110 formed therein is more closely attached to the bolt while the length of the circumference decreases due to the force acting on the ridge 112. Therefore, the nut assembly 10 can be fastened to be in close contact with the bolt, so that the loosening can be prevented even when a force due to vibration or the like is applied.
  • FIG. 5 is an exploded perspective view of a nut assembly according to another embodiment, and FIG. 6 is a bottom perspective view of the main nut of FIG. 5.
  • the nut assembly 11 includes a main nut 101 and an outer wall nut 201.
  • the main nut 101 is provided in a ring shape having a set width in a vertical direction.
  • the cutout 120, the thread 121, and the ridge 122 formed in the main nut 101 are the same as or similar to the main nut 100 of FIG. 1, and thus repeated descriptions thereof will be omitted.
  • the lower surface of the main nut 101 is formed to be inclined. Therefore, the locking jaw 123 is formed at the lower portion of the main nut 101 at the discontinuous height.
  • the drawing jaw 123 is shown as being located at a portion where the cutout 120 is formed, the position of the blacking jaw 123 is not limited thereto and may be formed at any position among the lower surfaces of the main nut 101. Can be.
  • the inclination direction of the lower surface of the main nut 101 is formed in a direction opposite to the inclination direction of the thread 121 of the inner surface of the main nut 101.
  • the outer wall nut 201 is provided to receive the main nut 101 inside.
  • the outer wall nut 201 is provided in a ring shape having a set width up and down. Since the receiving portion 220 formed on the inner surface of the outer wall nut 201 is the same as or similar to the outer wall nut 200 of FIG. 1, repeated descriptions thereof will be omitted.
  • a release groove 223 is formed in one of an outer surface of the main nut 101 and an inner surface of the outer wall nut 201, and a release protrusion 124 is formed in the other.
  • 5 and 6 illustrate a case where the release protrusion 124 is formed on the outer surface of the main nut 101 and the release groove 223 is formed on the inner surface of the outer wall nut 201 for convenience.
  • the release protrusion 124 is formed such that the direction in which the outer wall nut 201 is rotated to the main nut 101 is jaw when the nut assembly 11 is fastened to the bolt.
  • the release protrusion 124 may be formed to have a set width in the vertical direction.
  • the release groove 223 may be provided in a shape corresponding to the release protrusion 124.
  • FIG. 7 is a cutaway perspective view of the outer wall nut of FIG. 5.
  • the support part 221 protrudes in the inner surface direction of the lower inner surface of the outer wall nut 201.
  • the support part 221 protrudes in a ring shape.
  • the upper surface of the support part 221 is formed to be inclined to correspond to the lower surface of the main nut 101.
  • a locking groove 222 having a shape corresponding to the locking step 123 is formed at a portion of the support 221 that is discontinuous in height.
  • the top surface of the inclined support portion 221 exerts a force on the inclined bottom surface of the main nut 101.
  • the force acting on the main nut 101 acts in the direction in which the main nut 101 is fastened to the bolt. Contains ingredients. Therefore, even if a force due to vibration or the like acts on the main nut 101, the main nut 101 can be prevented from being unscrewed from the bolt.
  • FIG. 8 is a view showing a state in which the nut assembly is fastened to the bolt.
  • the main nut 101 is in close contact with the outer surface of the bolt in a state where the width of the cutout 120 is narrowed.
  • the outer wall nut 201 is rotated relative to the main nut 101.
  • the outer wall nut 201 by the locking step 123 and the locking groove 222 can be prevented from being rotated with respect to the main nut 101 more than a set angle.
  • the main nut 101 does not rotate together with the outer wall nut 201. If the outer wall nut 201 continues to rotate, the release groove 223 meets the release protrusion 124. Then, if the outer wall nut 201 continues to rotate, the main nut 101 is rotated with the outer wall nut 201 is released from the bolt.
  • FIG. 10 is an exploded perspective view of a nut assembly according to another embodiment, and FIG. 11 is a cross-sectional view of the nut assembly of FIG. 10.
  • the nut assembly 12 includes a main nut 102 and an outer wall nut 202.
  • the main nut 102 is schematically provided in a ring shape having a set width up and down.
  • the cutout 130, the thread 131, and the ridge 132 formed on the main nut 102 are the same as or similar to the main nut 100 of FIG. 1, and thus repeated descriptions thereof will be omitted.
  • An extension 134 extends downward on the bottom surface of the main nut 102.
  • the extension 134 is provided to be thinner than the top of the main nut 102.
  • the outer wall nut 202 is provided to receive the main nut 102 inside.
  • the outer wall nut 202 is provided in a ring shape having a set width up and down. Since the receiving portion 230 formed on the inner surface of the outer wall nut 202 is the same as or similar to the outer wall nut 200 of FIG. 1, repeated descriptions thereof will be omitted.
  • the support part 231 protrudes in the inner surface direction below the inner surface of the outer wall nut 202.
  • the support part 231 protrudes in a ring shape.
  • the upper surface of the support 231 supports the lower surface of the main nut 102 located at the upper end of the extension 134 in the main nut 102.
  • the inner surface of the support 231 is provided in contact with the outer surface of the extension 134.
  • the main nut 102 In the process of fastening the nut assembly 12 to the bolt, the main nut 102 is in close contact with the bolt while the width of the cutout 130 is narrowed, similar to FIGS. 3 and 4.
  • the extension portion 134 is provided with a thickness thinner than the upper portion of the main nut 102, the deformation can be easily started by the force applied by the outer wall nut 202. And, the upper portion of the main nut 102 can be deformed together with the extension 134, so that the force required to rotate the outer wall nut 202 relative to the main nut 102 can be reduced.
  • FIG. 12 is an exploded perspective view of a nut assembly according to a fourth embodiment
  • FIG. 13 is a cross-sectional view of the nut assembly of FIG. 12.
  • the nut assembly 13 includes a main nut 103 and an outer wall nut 203.
  • the outer wall nut 203 is provided to receive the main nut 103 inside.
  • the outer wall nut 203 is provided in a ring shape having a set width up and down. Since the receiving part 240 formed on the inner surface of the outer wall nut 203 is the same as or similar to the outer wall nut 200 of FIG. 1, repeated descriptions thereof will be omitted.
  • the support part 241 protrudes in an inner surface direction below the inner surface of the outer wall nut 203.
  • the upper surface shape of the support part 241 and the locking groove 242 are the same as or similar to the outer wall nut 201 of FIG. 5, and the function between the support part 241 and the extension part 144 is the outer wall nut 202 of FIG. 10. Repeated description is omitted since it is the same as or similar to.
  • FIG. 14 is a sectional view of a nut assembly according to a fifth embodiment, and FIG. 15 is a partially enlarged view of FIG. 14.
  • the nut assembly 14 includes a main nut 104 and an outer wall nut 204.
  • the main nut 104 may be provided the same as or similar to the embodiment of FIG. 1, 5, or 10.
  • the outer wall nut 204 is provided to receive the main nut 104 inside.
  • the support part 252 protrudes in the inner surface direction below the inner surface of the outer wall nut 204.
  • the support 252 is formed to be inclined downward toward the inside.
  • the inclination ⁇ 2 of the support 252 may be formed in the same manner as the inclination ⁇ 1 of the thread of the main nut 104.
  • the main nut 104 may be in close contact with the bolt while being moved along the inclination of the support 252 during the contraction process.
  • the outer wall nut 204 may be provided in the same or similar manner as the embodiment of FIG. 1, 5, or 10 to correspond to the main nut 104 except for the inclination formed in the support part 252.

Landscapes

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

Abstract

La présente invention porte sur un ensemble d'écrou. L'ensemble d'écrou selon un mode de réalisation de l'invention comprend : un écrou principal dans lequel une partie entaillée, entaillée dans la direction verticale de ce dernier, est formée en un point dans le centre de la direction périphérique, et au moins une partie surélevée est formée de façon à faire saillie sur la surface externe de ce dernier ; et un écrou de paroi externe pour recevoir l'écrou principal à l'intérieur de ce dernier, et ayant une partie de réception sous une forme correspondant à la partie surélevée sur une périphérie interne de ce dernier.
PCT/KR2015/009569 2014-09-12 2015-09-11 Ensemble d'écrou Ceased WO2016039578A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20140120734 2014-09-12
KR10-2014-0120734 2014-09-12
KR10-2015-0091183 2015-06-26
KR1020150091183A KR20160031398A (ko) 2014-09-12 2015-06-26 너트 어셈블리

Publications (1)

Publication Number Publication Date
WO2016039578A1 true WO2016039578A1 (fr) 2016-03-17

Family

ID=55459279

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/009569 Ceased WO2016039578A1 (fr) 2014-09-12 2015-09-11 Ensemble d'écrou

Country Status (1)

Country Link
WO (1) WO2016039578A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11247824A (ja) * 1998-03-05 1999-09-14 Tadashi Oota 緩み止めナット
JP2005069349A (ja) * 2003-08-25 2005-03-17 Fuji Seimitsu:Kk ロックナット
KR20050115213A (ko) * 2005-11-21 2005-12-07 박병건 풀림방지용 너트
JP3881889B2 (ja) * 1999-06-14 2007-02-14 正記 山崎 ねじ機構
JP3147424U (ja) * 2008-10-16 2008-12-25 毅 大小田 複合ナット

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11247824A (ja) * 1998-03-05 1999-09-14 Tadashi Oota 緩み止めナット
JP3881889B2 (ja) * 1999-06-14 2007-02-14 正記 山崎 ねじ機構
JP2005069349A (ja) * 2003-08-25 2005-03-17 Fuji Seimitsu:Kk ロックナット
KR20050115213A (ko) * 2005-11-21 2005-12-07 박병건 풀림방지용 너트
JP3147424U (ja) * 2008-10-16 2008-12-25 毅 大小田 複合ナット

Similar Documents

Publication Publication Date Title
US4738636A (en) Strain relief connectors for flexible cord and cable
WO2010095772A1 (fr) Ecrou de servo-embrayage
WO2016093417A1 (fr) Ensemble boulon anti-desserrage
US4250348A (en) Clamping device for cables and the like
US6174118B1 (en) Movable retention device for a threaded fastener
US5071300A (en) Shrouded jam locknut
US5536102A (en) Locking mechanism for bicycle head tube
EP0982814A2 (fr) Connecteur d'appareil
US3151652A (en) Fastening devices
WO2014025187A1 (fr) Ensemble outil de coupe
WO2014171671A1 (fr) Dispositif de fixation automatique pour conteneur de véhicule
WO2016039578A1 (fr) Ensemble d'écrou
CA2016312A1 (fr) Attache a ouverture et fermeture rapides
JPH02502238A (ja) ケーブルにおける歪の解除装置
WO2018097592A1 (fr) Écrou de prévention de desserrage
WO2025095341A1 (fr) Ensemble boulon d'ancrage
WO2024029955A1 (fr) Ensemble vis
WO2019039627A1 (fr) Structure de filetage et boulon et écrou ayant une structure de filetage formée sur ceux-ci
EP0120541A1 (fr) Un manchon pour la protection de jonctions de câbles
WO2018143636A1 (fr) Couvercle de sécurité de tête de boulon
WO2022065698A1 (fr) Ensemble implant
WO2016093665A1 (fr) Couvercle d'entrée d'alimentation en carburant d'un véhicule
KR20180069343A (ko) 플라스틱 너트
EP0384554A1 (fr) Connecteurs segmentaires pour tuyaux
CN113745878A (zh) 集束连接器组件和用于安装集束连接器组件的方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15840459

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 21.07.2017)

122 Ep: pct application non-entry in european phase

Ref document number: 15840459

Country of ref document: EP

Kind code of ref document: A1