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WO2015111231A1 - Élément de retenue - Google Patents

Élément de retenue Download PDF

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Publication number
WO2015111231A1
WO2015111231A1 PCT/JP2014/058048 JP2014058048W WO2015111231A1 WO 2015111231 A1 WO2015111231 A1 WO 2015111231A1 JP 2014058048 W JP2014058048 W JP 2014058048W WO 2015111231 A1 WO2015111231 A1 WO 2015111231A1
Authority
WO
WIPO (PCT)
Prior art keywords
male
female
female body
shaft
diameter
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/JP2014/058048
Other languages
English (en)
Japanese (ja)
Inventor
勇輝 村井
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.)
Nax Co Ltd
Original Assignee
Nax Co Ltd
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 Nax Co Ltd filed Critical Nax Co Ltd
Priority to JP2015558718A priority Critical patent/JP5966096B2/ja
Priority to PCT/JP2014/063620 priority patent/WO2015111234A1/fr
Priority to CN201480073539.8A priority patent/CN105917125B/zh
Publication of WO2015111231A1 publication Critical patent/WO2015111231A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/07—Releasable fastening devices with snap-action in which the socket has a resilient part
    • F16B21/073—Releasable fastening devices with snap-action in which the socket has a resilient part the socket having a resilient part on its inside
    • 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
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
    • F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
    • F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
    • F16B5/0642—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship the plates being arranged one on top of the other and in full close contact with each other

Definitions

  • the present invention relates to a fastener that is fixed by inserting the male body side into the female body side, and more particularly to a fastener that is difficult to remove once fixed.
  • Screws, nuts, snaps, hooks made of synthetic resin as fixing fasteners (stoppers) when fixing a plurality of sheet members by stacking or fixing one member to the other member, A bag etc. are used conventionally. Many fasteners are detachable so that they can be repeatedly attached and removed, but some fasteners are used for applications where it is desirable that once attached they cannot be removed again.
  • a band-like permit is attached to the wrist with a fastener, and the fastener of the band is to be removed.
  • a fastener having a structure that prevents unauthorized use by allowing the band itself to be cut off (Patent Document 1).
  • FIG. 7 is a cross-sectional view showing the structure of the fastener described in the above-mentioned patent document.
  • This stopper consists of a first member 110 (male body) and a second member 120 (female body) that make a pair.
  • the first member 110 is an engagement having a base 111 attached to the first attachment object 102, a tapered protrusion 116 protruding from the surface of the base 111, and a flange 114 provided at the tip of the protrusion 116.
  • the projection 113 includes a hole 112 that is formed from the back surface of the base 111 to the inside of the engagement projection 113 and that thins the outer peripheral surface and the inner peripheral surface of the protrusion 116.
  • the second member 120 includes a base 121 attached to the second article 103, a circular recess 122 opened on the surface of the base 121, a through hole 123 opened on the back surface of the base 121 and the upper surface of the recess 122, and the through hole. 123, and an engaging claw 124 that is vertically arranged on the periphery of the ring.
  • the engaging claw 124 is formed in a taper shape, and the tip opening portion 124 a is formed smaller than the outer diameter of the flange portion 114 and larger than the outer diameter of the small diameter portion of the protruding portion 116.
  • the engagement protrusion 113 of the first member 110 is inserted into the through hole 123 and the engagement claw 124 of the second member 120. Then, the collar portion 114 is brought into contact with the inner peripheral surface of the engagement claw 124, and the engagement claw 124 is penetrated while being elastically deformed so that the inner diameter thereof is temporarily expanded.
  • the engagement claw 124 returns to its original shape and engages with the flange 114, and the tapered surface of the protrusion 116 and the inner peripheral surface of the through hole 123. And abut. As a result, the movement of the engagement protrusion 113 in the front-rear direction is restricted, and it becomes difficult to remove the first member 110 from the second member 120.
  • the fastener described in the above-mentioned Patent Document 1 is provided with a thin area for easily breaking the first member from the viewpoint of preventing unauthorized use, and is easily broken with a small force.
  • it is firmly fixed, and even when a strong force that separates the first member and the second member is applied, the fixed state is maintained stably without breaking.
  • a fastener For example, when assembling a corrugated cardboard box, when assembling, part of the side of the corrugated paper is folded at the corners so that adjacent side parts overlap, and the overlapped corrugated paper is fixed with a fastener. It is like that.
  • a pair of male and female fasteners are used as “corner fasteners” for fixing the corners. In this case, it is necessary that the fasteners are never detached or broken after being temporarily fixed. Become.
  • the present invention is able to be engaged with a small pressing force when engaging, even though the size is similar to that of a conventional fastener, and after fixing, a much larger pulling force is applied than before
  • the fastener of the present invention is a fastener made of a synthetic resin comprising a male body and a female body, and the male body is erected from a plate-like male base portion and an inner surface of the male base portion.
  • a shaft hole that is open on the surface and into which the engagement protrusion is inserted is formed.
  • the shaft hole has an inner diameter smaller than the diameter of the flange portion and engages with the constricted portion, and the flange portion
  • a fitting space having a diameter into which the female body is fitted, and a portion extending from the female base through the step surface to a part of the female body shaft is formed in the axial direction of the shaft hole.
  • a dividing groove that is divided into at least two is formed along the engaging projection, and the stepped surface divided by the dividing groove is temporarily expanded when the engaging protrusion is inserted into the shaft hole of the female body.
  • the constricted portion is engaged with the stepped surface and the flange portion is engaged with the fitting space, and the constricted portion is engaged with the stepped surface, and then the engaging protrusion.
  • the vicinity of the step surface in the shaft hole of the female body is obtained by dividing the outer base surface of the female body from the outer surface of the female body through the step surface to a part of the female body shaft portion into a plurality of divided grooves.
  • the step surface greatly elastically deformed returns to the original inner diameter, so that the step of the constricted portion and the step surface come into contact with each other.
  • the width (area) of the portion where the step portion of the constricted portion engages with the step surface can be made sufficiently large. Can be combined. Simultaneously with the engagement, the side surface of the buttock is brought into a fitted state with the inner wall surface of the female body in the fitting space, and is held so that the side surface of the buttock is sandwiched by the female body.
  • the step on the lower surface of the buttock not only presses the step surface at the engaging portion, but also the moment of force (the step with the bottom of the dividing groove as the axis) Moment) with the surface acting as a force point, the inner wall of the mating space of the divided female body strongly presses the side surface of the buttocks of the male body, and resists the pulling force due to the pressing action of both of them.
  • the stepped surface having a larger area than the conventional one and the moment of the force acting on the side surface of the buttock. Can be realized.
  • the outer diameter of the male body shaft portion on the male body base side and the outer diameter of the collar portion are substantially the same diameter, and a taper taper is formed in the vicinity of the boundary between the male body shaft portion and the collar portion.
  • the constricted portion is formed by forming a circular outer peripheral surface, and a tapered inner peripheral surface corresponding to the tapered outer peripheral surface of the male shaft portion is formed in the shaft hole of the female body. May be. As a result, it is guided by the tapered surface while feeling resistance when the engaging protrusion is inserted, and can be stably inserted, and the male body can be inserted into the shaft hole of the female body with almost no gap. .
  • the dividing groove is formed from the outer surface of the female body base to a depth exceeding the region of the tapered inner peripheral surface.
  • the perspective view which shows an example of the use condition of the fastener which concerns on this invention The perspective view which shows the male part of the fastener of FIG.
  • Sectional drawing of the fastener shown in FIG. The perspective view which shows the deformation
  • FIG. 1 is a perspective view showing a fastener 1 according to an embodiment of the present invention, and shows a state (used state) in which a male body 10 and a female body 20 constituting the fastener 1 are engaged with each other. It is a perspective view. 2 is a perspective view of the male body 10 in FIG. 1, and FIG. 3 is a perspective view (a) of the female body 20 in FIG. 1 and a front view (b) viewed from the direction in which the dividing grooves 28 are formed.
  • FIG. 4 is a sectional view of the fastener 1 of FIG. 1 in use.
  • the fastener 1 is composed of a pair of members composed of a male body 10 and a female body 20 made of synthetic resin (polyethylene or the like).
  • the male body 10 includes a disk-shaped male base 13 having a flat inner surface 11 and a convex outer surface 12, and an engaging protrusion 14 erected from the inner surface 11.
  • the engagement protrusion 14 includes a male shaft portion 15 that forms a columnar shaft on the side close to the male base portion 13, and a flange portion 16 provided at the tip of the male shaft portion 15.
  • a constricted portion 17 having an outer diameter smaller than that of the flange portion 16 is formed at a boundary portion between the flange portion 16 and the male body shaft portion 15.
  • the constricted portion 17 is formed such that the distal end side of the male shaft portion 15 is a tapered outer peripheral surface, and the outer diameter of the flange portion 16 and the outer diameter of the base portion side of the male body shaft portion 15 are substantially the same. It is.
  • a step which becomes the lower surface of the flange portion 16 is formed. This step portion becomes an engaging surface when engaging with a step surface 26 of a female body described later.
  • the peripheral edge of the upper surface of the collar portion 16 is rounded and chamfered.
  • the female body 20 includes a disk-shaped female base 23 having a flat inner surface 21 and a convex outer surface 22, and a female shaft 24 erected from the inner surface 21.
  • the shaft diameter of the female body shaft portion 24 is larger than the outer diameter of the flange portion 16 of the male body 10, and a shaft hole 25 that penetrates the female body shaft portion 24 in the axial direction and opens to the outer surface 22 is formed. It is formed.
  • the shaft hole 25 has an inner diameter that matches the shape of the engagement protrusion 14 so that the engagement protrusion 14 of the male body 10 can be inserted with almost no gap, and a tapered outer peripheral surface on the distal end side of the male body shaft portion 15.
  • a tapered inner peripheral surface 25 a is formed at a portion corresponding to the constricted portion 17, and a fitting space 27 into which the flange portion 16 is fitted is formed at a portion corresponding to the flange portion 16. That is, the shaft hole 25 is formed with a fitting space 27 that fits with the flange portion 16 at a portion that opens toward the outer surface 22, and a hole having a smaller diameter than the outer diameter of the flange portion 16 at the back of the fitting space 27.
  • a step surface 26 that engages with the step on the lower surface of the flange 16 is formed, and a tapered inner peripheral surface 25a is formed from the step surface 26.
  • a male body is provided at the tip of the tapered inner peripheral surface 25a.
  • a cylindrical inner peripheral surface 25b into which the columnar portion on the base portion side of the shaft portion 15 is inserted is formed.
  • the female body 20 has a part of the female body shaft portion 24 (preferably a taper of the female body shaft portion 24 shown by the line SS ′ in FIG. 4) through the step surface 26 from the outer surface 22 of the female body base portion 23.
  • a dividing groove 28 that divides the female body 20 is formed along the axial direction of the shaft hole 25, and the female base 23 side is divided into four by the dividing groove 28. .
  • the female body base 23 can be elastically deformed and can greatly expand in the radial direction.
  • the tapered inner peripheral surface 25a of the shaft hole 25 is expanded by elastic deformation of the female body 20.
  • the collar portion 16 can be inserted without resistance.
  • the hole diameter at the position of the stepped surface 26 can be changed greatly, so that the area of the stepped surface 26 in contact with the stepped portion of the flange portion 16 can be made sufficiently large. It has become.
  • the male body 10 and the female body 20 are engaged and used will be described with reference to FIG.
  • the case where plate-shaped 1st member A and 2nd member B, such as corrugated paper, are fixed is demonstrated as a specific example.
  • the male body 10 is attached so that the engagement protrusion 14 passes through the through-hole formed in the first member A, and the inner surface 11 of the male base portion 13 is in contact with the first member A.
  • the female body 20 is attached so that the female body shaft portion 24 penetrates through the through hole formed in the second member B, and the inner surface 21 of the female body base portion 23 contacts the second member B. .
  • the flange 16 of the engaging protrusion 14 eventually reaches the position of the tapered inner peripheral surface 25a. And reaches the inner peripheral surface and receives a light resistance.
  • the female body 20 is elastically deformed so that the tapered inner peripheral surface 25a is pushed and spread.
  • the flange portion 16 exceeds the step surface 26, the step surface 26 and the stepped portion 17 come into contact with each other by returning from the elastically deformed state. Then, the side surface of the flange portion 16 is fitted with the inner surface of the fitting space 27, and the male body 10 is completely fixed to the female body 20.
  • each divided piece of the female body 20 that is divided by the dividing groove 28 on the female base 23 side has the bottom of the dividing groove 28 (the position of the SS ′ line in FIG.
  • the example in which the female body 20 is divided into four by the dividing groove 28 is shown.
  • the female body 30 that is divided into three as shown in FIG. 5 may be used, or the female body 30 is divided into two as shown in FIG.
  • the female body 40 may be used.
  • the effect of the present invention can be obtained as long as it is at least divided into two.
  • the example in which the outer diameters of the flange portion 16 of the male body 10 and the base side of the male body shaft portion 15 are made the same diameter is shown, but the diameter may be different. Similarly, the diameter of the corresponding portion may be different from that of the male body 10.
  • the present invention can be used as a fastener that is fixed by inserting the male body side into the female body side.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Insertion Pins And Rivets (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)

Abstract

　L'invention concerne un élément de retenue solide qui peut être amené en prise avec une petite force de pression, et qui peut maintenir un état en prise sans rompre après être fixé, même lorsqu'une force est exercée pour extraire l'élément de retenue. L'élément de retenue comprend un corps mâle (10) et un corps femelle (20) ; le corps mâle (10) comporte une protubérance de mise en prise (14) séparée par une partie de tige de corps mâle (15) se tenant dressée à partir d'une partie de base de corps mâle (13), une partie de bride (16) sur l'extrémité de la partie de tige de corps mâle (15), et une partie étroite (17) de diamètre inférieur à la partie de bride (16) ; le corps femelle (20) comporte une partie de tige de corps femelle (24) se tenant dressée à partir d'une partie de base de corps femelle (23), la partie de tige de corps femelle (24) ayant un diamètre supérieur à la partie de bride (16) du corps mâle (10) ; un trou de tige (25) qui s'ouvre dans une surface extérieure (22) et accueille l'insertion de la protubérance de mise en prise (14) est formé dans la partie de tige de corps femelle (24) ; une surface étagée (26) dont le diamètre est plus petit que celui de la partie de bride (16) et qui vient en prise avec la partie étroite (17), et un espace d'insertion (27) dans lequel est insérée la partie de bride (16), sont formés dans le trou de tige (25) ; une rainure de division (28) est formée de telle sorte que la partie s'étendant de la partie de base de corps femelle (23) à travers la surface étagée (26) jusqu'à une partie de la partie de tige de corps femelle (24) est divisée en au moins deux parties le long du trou de tige (25) ; et le corps mâle (10) et le corps femelle (20) sont amenés en prise au moyen de la déformation élastique de la surface étagée divisée (26).
PCT/JP2014/058048 2014-01-22 2014-03-24 Élément de retenue Ceased WO2015111231A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2015558718A JP5966096B2 (ja) 2014-01-22 2014-05-22 留め具
PCT/JP2014/063620 WO2015111234A1 (fr) 2014-01-22 2014-05-22 Élément de retenue
CN201480073539.8A CN105917125B (zh) 2014-01-22 2014-05-22 固定件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-009558 2014-01-22
JP2014009558 2014-01-22

Publications (1)

Publication Number Publication Date
WO2015111231A1 true WO2015111231A1 (fr) 2015-07-30

Family

ID=53681056

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/JP2014/058048 Ceased WO2015111231A1 (fr) 2014-01-22 2014-03-24 Élément de retenue
PCT/JP2014/063620 Ceased WO2015111234A1 (fr) 2014-01-22 2014-05-22 Élément de retenue

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/063620 Ceased WO2015111234A1 (fr) 2014-01-22 2014-05-22 Élément de retenue

Country Status (3)

Country Link
JP (1) JP5966096B2 (fr)
CN (1) CN105917125B (fr)
WO (2) WO2015111231A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107339308A (zh) * 2016-12-28 2017-11-10 安徽江淮汽车集团股份有限公司 一种双螺纹连接可预装卡扣
CN114353983A (zh) * 2022-02-14 2022-04-15 重庆川仪十七厂有限公司 氨合成塔测温装置及氨合成塔

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6116640B1 (ja) * 2015-10-16 2017-04-19 ナックス株式会社 留め具
JP2019019971A (ja) * 2017-07-20 2019-02-07 三志 濱田 ボール紙式接合材
IT201700103682A1 (it) 2017-09-15 2019-03-15 Alpinestars Res Srl Casco protettivo
CN112460113B (zh) * 2019-09-09 2024-09-17 宾科精密部件(中国)有限公司 用于多个板材连接用的连接机构及方法
CN112503065B (zh) * 2020-11-10 2022-04-08 北京城创新智科技有限公司 一种固定组件
US20240384742A1 (en) * 2021-04-30 2024-11-21 Japan Aerospace Exploration Agency Fitting structure and coupling member

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157114U (ja) * 1983-04-08 1984-10-22 小島プレス工業株式会社 回動支点の留め具
JPS6340610U (fr) * 1986-08-29 1988-03-16
JPH01177509U (fr) * 1988-05-27 1989-12-19
JPH07208424A (ja) * 1994-01-27 1995-08-11 Nifco Inc 板材の連結具
JP2005315335A (ja) * 2004-04-28 2005-11-10 Nippon Pop Rivets & Fasteners Ltd クリップ
JP2011093409A (ja) * 2009-10-29 2011-05-12 Yachiyo Industry Co Ltd 燃料タンクの付属部品の取付構造

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036423A (en) * 1961-10-13 1966-07-20 Ft Products Ltd An improved fastener
US5143500A (en) * 1991-02-28 1992-09-01 Itw Plastiglide Snap engaging fastener system for providing rotary motion
JPH06285570A (ja) * 1993-04-02 1994-10-11 Hagiwara Kogyo Kk シ−ト用鳩目の成形方法
JP2005127390A (ja) * 2003-10-22 2005-05-19 Nax Co Ltd ボード連結用鋲
JP2009019735A (ja) * 2007-07-13 2009-01-29 Takigen Mfg Co Ltd 物品の固定構造及びヒンジ装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157114U (ja) * 1983-04-08 1984-10-22 小島プレス工業株式会社 回動支点の留め具
JPS6340610U (fr) * 1986-08-29 1988-03-16
JPH01177509U (fr) * 1988-05-27 1989-12-19
JPH07208424A (ja) * 1994-01-27 1995-08-11 Nifco Inc 板材の連結具
JP2005315335A (ja) * 2004-04-28 2005-11-10 Nippon Pop Rivets & Fasteners Ltd クリップ
JP2011093409A (ja) * 2009-10-29 2011-05-12 Yachiyo Industry Co Ltd 燃料タンクの付属部品の取付構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107339308A (zh) * 2016-12-28 2017-11-10 安徽江淮汽车集团股份有限公司 一种双螺纹连接可预装卡扣
CN114353983A (zh) * 2022-02-14 2022-04-15 重庆川仪十七厂有限公司 氨合成塔测温装置及氨合成塔

Also Published As

Publication number Publication date
WO2015111234A1 (fr) 2015-07-30
CN105917125B (zh) 2018-01-30
JP5966096B2 (ja) 2016-08-10
CN105917125A (zh) 2016-08-31
JPWO2015111234A1 (ja) 2017-03-23

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