WO2019157821A1 - Mécanisme de liaison anti-desserrage - Google Patents

Mécanisme de liaison anti-desserrage Download PDF

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Publication number
WO2019157821A1
WO2019157821A1 PCT/CN2018/106710 CN2018106710W WO2019157821A1 WO 2019157821 A1 WO2019157821 A1 WO 2019157821A1 CN 2018106710 W CN2018106710 W CN 2018106710W WO 2019157821 A1 WO2019157821 A1 WO 2019157821A1
Authority
WO
WIPO (PCT)
Prior art keywords
loosening
nut
preventing
mechanism according
slip
Prior art date
Application number
PCT/CN2018/106710
Other languages
English (en)
Chinese (zh)
Inventor
陈中会
卢迪
马晓轩
徐骏
郑静露
林锋
熊益波
Original Assignee
宁波速普电子有限公司
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 宁波速普电子有限公司 filed Critical 宁波速普电子有限公司
Publication of WO2019157821A1 publication Critical patent/WO2019157821A1/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
    • 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
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0061—Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction
    • 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
    • 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
    • F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
    • 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
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/005—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts engaging the bolt laterally to allow a quick mounting or dismounting of the washer, i.e. without the need to engage over the end of the bolt
    • F16B43/007—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts engaging the bolt laterally to allow a quick mounting or dismounting of the washer, i.e. without the need to engage over the end of the bolt in two or more parts

Definitions

  • the present invention relates to the field of preventing loosening of a fixing member, and in particular to a connecting mechanism for preventing looseness.
  • the prior art usually passes these component products through fastening nuts. Install and tighten in a single hole in the mounting holes preset in the control panel.
  • the fastening nut of the push button switch or the indicator light is loosened under vibration, and the function of the button switch or the indicator light is disabled or has other safety hazards.
  • the component products fixed by a single hole using the fastening nut may also be loosened under the operation of the user multiple times. Therefore, in order to solve the problem that the component such as the push button switch or the indicator lamp fixed by the fastening nut is easy to loosen, it is necessary to provide an effective connection mechanism for preventing looseness.
  • the present invention provides a connection mechanism for preventing looseness, which can effectively prevent the loosening of component products fixed by the fastening nut and avoid the safety hazard caused by looseness.
  • the equipment maintenance cost is significantly reduced, and the structure is simple and easy to promote.
  • a connecting mechanism for preventing looseness comprising a connecting body provided with a thread at one end, the connecting body being able to pass through and being fixed in a mounting hole provided on the panel; wherein the connecting mechanism further comprises: preventing loosening a nut, the anti-loose nut is disposed at a threaded end of the connecting body; preventing loosening of the gasket, the loosening preventing gasket is sleeved on the connecting body, and interposed between the loosening nut and the Between the panels; the anti-loose gasket is provided with a fixing hole for accommodating the connecting body, and the edge of the fixing hole is provided with a positioning protrusion, and the threaded end of the connecting body is provided with The positioning protrusion is matched with the positioning groove; the four peripheral corners of the loosening preventing pad are provided with a raised corner portion abutting against the panel surface.
  • the anti-slip tooth is uniformly distributed on the end surface of the anti-loose nut and the anti-slip tooth, and the anti-slip is disposed at a corresponding position of the anti-slip pad and the anti-slip tooth.
  • Non-slip ribs with matching teeth are provided.
  • one side surface of the anti-slip tooth toward the mounting direction is a rounded surface.
  • the anti-slip embossing is provided on the outer sidewall surface of the loosening nut.
  • the bottom of the loosening nut is provided with a fixed bayonet.
  • the anti-loose spacer includes a first portion and a second portion that are detachably separated, and the first portion and the second portion are correspondingly provided with an outwardly extending splice and a direction Recessed splicing groove.
  • the splice is in the shape of a circle, and the splice groove is complementary to the shape of the splice.
  • the loosening preventing spacer is an elastic metal sheet.
  • the sharp corners of the chamfered portion at the four peripheral corners of the anti-loosening spacer abut against the surface of the panel.
  • the chamfered portion is elastically deformed by the mounting force.
  • the invention has the following beneficial effects:
  • the loosening preventing washer is made of elastic metal, and the sharp corner of the corner portion is elastically deformed under the action of the mounting force, and the generated elastic force increases the frictional force between the connecting body and the loosening nut, thereby preventing the nut from coming back.
  • the role of rotation The increased friction makes the nut less prone to loosening in a vibrating environment.
  • the anti-slip nut is prevented from having anti-slip teeth, and the surface of the anti-slip tooth facing the mounting direction is a rounded surface, and the anti-slip rib is matched to prevent the loose nut from stopping.
  • the anti-slip embossing is convenient for the user to turn to prevent the loose nut from being installed, and the fixing bayonet can be fixedly mounted with the installation wrench.
  • FIG. 1 is a schematic view showing the components of a joint mechanism for preventing looseness in the present invention.
  • FIG. 2 is a schematic view showing the structure of the loosening preventing gasket of FIG. 1.
  • FIG. 3 is a schematic view showing the anti-slip state of the anti-slip tooth and the anti-slip rib of FIG.
  • FIG. 4 is a schematic view showing the detachable structure of the anti-loose gasket of FIG. 1.
  • the present invention provides a connection mechanism for preventing looseness for fixing a component product such as a push button switch and an indicator lamp in a mounting hole 2 of the panel 1;
  • the connecting mechanism includes a connecting body 3 fixed to the panel 1 by a screw connection, a loosening preventing spacer 5 and a loosening preventing nut 6, wherein one end of the connecting body 3 is provided with a thread, and the other end can be provided with a component product; the connecting body 3
  • the threaded end 4 can pass through the mounting hole 2 and be screwed by the loosening nut 6, preventing the loose washer 5 from being provided with a fixing hole 7 for receiving the threaded end 4 of the connecting body 3, and fixing
  • the edge of the hole 7 is provided with a positioning protrusion 8
  • the threaded end 4 of the connecting body 3 is provided with a positioning groove 9 adapted to the positioning protrusion 8; the four corners of the loose pad 5 are prevented from being lifted.
  • Abutting against the angled portion 10 of the surface of the panel 1 prevents the loose nut 6 from uniformly distributing the anti-slip teeth 11 on the end surface contacting the loose washer 5, preventing the corresponding position of the loose washer 5 and the anti-slip tooth 11 Fitted with anti-slip teeth 11 12 sliding ribs.
  • one side surface of the non-slip tooth 11 facing the mounting direction is a rounded surface 13.
  • anti-slip rib 14 is provided on the outer side wall surface of the loose nut 6.
  • the loose spacer 5 is prevented from being an elastic metal piece.
  • the loosening nut 6 is prevented from being clamped between the loosening preventing spacer 5 and the connecting body 3 by a threaded connection with the threaded end 4 of the connecting body 3 to prevent loosening of the peripheral corner of the spacer 5
  • the corner portion 10 has a pointed sharp corner that abuts against the surface of the panel 1 to increase the frictional force.
  • the loosening preventing spacer 5 is made of elastic metal, and the sharp corner of the folded corner portion 10 is elastically deformed by the mounting force, and the generated elastic force increases the threaded end 4 of the connecting body 3 and prevents the loosening nut 6 from being The frictional force of the meshing prevents the nut from rotating back. The increased friction prevents the loosening nut 6 from being loosened even in a vibrating environment.
  • the loose nut 6 is prevented from having the non-slip teeth 11 , and the distance between the adjacent anti-slip teeth 11 is greater than the distance between the two sides of the anti-slip rib 12 , and the surface of the anti-slip tooth 11 facing the mounting direction is a rounded surface 13 to prevent
  • the anti-slip rib 12 will slide directly or tightly against the rounded surface 13 and then slide into the interstitial space between the adjacent anti-slip teeth 11 due to the left side of the anti-slip tooth 11 (see Fig. 3). It is not rounded, and the frictional force with the anti-slip rib 12 is large.
  • a larger force is required than when the nut 6 is removed. Therefore, by engaging with the anti-slip rib 12, the loose nut 6 is prevented from rotating. effect.
  • the anti-slip rib 14 is convenient for the user to rotate to prevent the loose nut 6.
  • the fixed bayonet 15 can be fixedly mounted with a mounting wrench (not shown), which is convenient and labor-saving.
  • the right inclined surface of the anti-slip tooth 11 is a rounded surface 13, and the smooth curved surface can facilitate the sliding of the anti-slip rib 12 It enters into the interstitial space between adjacent anti-slip teeth 11.
  • the thread is designed to be reversed, that is, to prevent the mounting direction of the loose nut 6 from being rotated in the leftward direction (counterclockwise) in FIG. 2, the left inclined surface of the non-slip tooth 11 may be the rounded surface 13. In other words, it is only necessary to reverse the side of the anti-slip tooth 11 toward the mounting direction.
  • the present invention also has a second embodiment.
  • the anti-loose spacer 5 of the present invention includes a detachably separated first portion 16 and a second portion 17, and the splicing portions of the first portion 16 and the second portion 17 correspond to each other.
  • An outwardly extending splice 18 and an inwardly recessed splice slot 19 are provided; the splice slot 19 is complementarily complementary to the shape of the splice 18 such that the first portion 16 and the second portion 17 can be integrally assembled.
  • the loosening preventing spacer 5 can be integrally formed, and can also be used as two parts of the disassembled assembly, and any part after the disassembly, which still has two chamfered portions 10 and an elastic metal sheet material, and the whole is weakened. With a little elasticity, it is still possible to provide partial elasticity and sharp corner friction of the partial corner portion 10, and it is not necessary to remove the loosening nut 6, and it is only necessary to prevent rapid installation and replacement of the loose gasket 5 by splicing.
  • the splicing of the first portion 16 and the second portion 17 is two places at the beginning and the end, and the tail portion of the first portion 16 and the second portion 17 are provided with a circular splice 18, and the tail portion and the second portion 17 of the first portion 16 are 17
  • the first portion is provided with a hollow circular splicing groove 19 for accommodating the circular splicing head 18.
  • the first portion 16 and the second portion 17 are spliced into one body through the splicing of the splicing head 18 and the splicing groove 19, so as to prevent the loose nut 6 from being prevented. Quickly prevent the loose gasket 5 from being replaced without removing it, saving maintenance time.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un mécanisme de liaison permettant d'empêcher le desserrage, comprenant un corps de liaison (3) possédant une extrémité (4) pourvue d'un filetage, le corps de liaison (3) pouvant traverser un trou de montage (2) et étant fixé dans celui-ci, le trou de montage (2) étant disposé sur un panneau (1) ; le mécanisme de liaison comprenant en outre : un écrou anti-desserrage (6), l'écrou anti-desserrage (6) étant situé à l'extrémité (4) du corps de liaison (3), laquelle extrémité étant pourvue d'un filetage ; un patin anti-desserrage (5), le patin anti-desserrage (5) étant emmanché sur le corps de liaison (3), et étant disposée entre l'écrou anti-desserrage (6) et le panneau (1) ; le patin anti-desserrage (5) étant pourvue d'un trou de fixation (7) pour recevoir le corps de liaison (3) de sorte à traverser celui-ci, une bosse de positionnement (8) étant disposée sur le bord du trou de fixation (7), et l'extrémité (4), du corps de liaison (3), qui est pourvue d'un filetage comportant une rainure de positionnement (9) adaptée à la bosse de positionnement (8 ) ; et les quatre coins périphériques du patin anti-desserrage (5) étant chacun pourvu d'une partie de repli (10) qui est en revers et qui vient en butée contre la surface du panneau (1). Le mécanisme de liaison peut empêcher efficacement le desserrage d'un produit constitutif qui est fixé au moyen d'un écrou de serrage, évitant l'apparition de risques de sécurité provoqués par le desserrage, et réduisant considérablement le coût de maintenance du dispositif à un stade ultérieur.
PCT/CN2018/106710 2018-02-14 2018-09-20 Mécanisme de liaison anti-desserrage WO2019157821A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810160978.2 2018-02-14
CN201810160978.2A CN108286560A (zh) 2018-02-14 2018-02-14 一种防松连接机构

Publications (1)

Publication Number Publication Date
WO2019157821A1 true WO2019157821A1 (fr) 2019-08-22

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PCT/CN2018/106710 WO2019157821A1 (fr) 2018-02-14 2018-09-20 Mécanisme de liaison anti-desserrage

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WO (1) WO2019157821A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108286560A (zh) * 2018-02-14 2018-07-17 宁波速普电子有限公司 一种防松连接机构
CN110397662A (zh) * 2019-07-25 2019-11-01 中航光电科技股份有限公司 一种螺母防松复合垫圈
US20230057997A1 (en) * 2021-08-18 2023-02-23 Corey L. Schaub Threaded fastening system

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CN2564789Y (zh) * 2002-08-01 2003-08-06 燿宏工业股份有限公司 结构改良的防盗螺栓
CN2733064Y (zh) * 2004-11-02 2005-10-12 孙建军 防松螺纹连接组件
WO2006064122A1 (fr) * 2004-12-14 2006-06-22 Valeo Systemes Thermiques Dispositif de fixation d'un element sur un support
CN203081978U (zh) * 2013-01-31 2013-07-24 陈文浩 锁式防松螺母
CN203685827U (zh) * 2013-11-22 2014-07-02 丽水市驱创机电有限公司 一种垫片结构
CN204175768U (zh) * 2014-10-20 2015-02-25 浙江荣得利航空部件有限公司 双重防松脱螺栓套件
CN108286560A (zh) * 2018-02-14 2018-07-17 宁波速普电子有限公司 一种防松连接机构
CN208123223U (zh) * 2018-02-14 2018-11-20 宁波速普电子有限公司 一种防松连接机构

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JP2001303664A (ja) * 2000-04-21 2001-10-31 Ikeya Kogyo Kk 建築用ナット
KR100964902B1 (ko) * 2003-07-10 2010-06-23 주식회사 포스코 압연소재의 스키드부 두께편차 제어 방법
CN2813975Y (zh) * 2005-08-08 2006-09-06 李勤惠 防松动螺纹联接紧固件
CN202579597U (zh) * 2012-04-25 2012-12-05 寿光蔡伦申兴精细化工有限公司 一种用于石粉斗提机的皮带螺栓垫片
CN203463462U (zh) * 2013-07-22 2014-03-05 宝钢新日铁汽车板有限公司 一种防松垫片
CN206864367U (zh) * 2017-07-19 2018-01-09 贵州航天电子科技有限公司 一种微调开关安装结构
CN107327466A (zh) * 2017-09-10 2017-11-07 刘淑敏 一种防松螺栓组

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2564789Y (zh) * 2002-08-01 2003-08-06 燿宏工业股份有限公司 结构改良的防盗螺栓
CN2733064Y (zh) * 2004-11-02 2005-10-12 孙建军 防松螺纹连接组件
WO2006064122A1 (fr) * 2004-12-14 2006-06-22 Valeo Systemes Thermiques Dispositif de fixation d'un element sur un support
CN203081978U (zh) * 2013-01-31 2013-07-24 陈文浩 锁式防松螺母
CN203685827U (zh) * 2013-11-22 2014-07-02 丽水市驱创机电有限公司 一种垫片结构
CN204175768U (zh) * 2014-10-20 2015-02-25 浙江荣得利航空部件有限公司 双重防松脱螺栓套件
CN108286560A (zh) * 2018-02-14 2018-07-17 宁波速普电子有限公司 一种防松连接机构
CN208123223U (zh) * 2018-02-14 2018-11-20 宁波速普电子有限公司 一种防松连接机构

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