WO2019172510A1 - Dispositif de fixation de boulon unidirectionnel - Google Patents

Dispositif de fixation de boulon unidirectionnel Download PDF

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Publication number
WO2019172510A1
WO2019172510A1 PCT/KR2018/016281 KR2018016281W WO2019172510A1 WO 2019172510 A1 WO2019172510 A1 WO 2019172510A1 KR 2018016281 W KR2018016281 W KR 2018016281W WO 2019172510 A1 WO2019172510 A1 WO 2019172510A1
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WO
WIPO (PCT)
Prior art keywords
bolt
fastening
fastened
head
expansion
Prior art date
Application number
PCT/KR2018/016281
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English (en)
Korean (ko)
Inventor
이원기
Original Assignee
이원기
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 이원기 filed Critical 이원기
Publication of WO2019172510A1 publication Critical patent/WO2019172510A1/fr

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    • 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
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • 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
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04—Rivets; Spigots or the like fastened by riveting
    • F16B19/08—Hollow rivets; Multi-part rivets
    • F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
    • F16B19/1027—Multi-part rivets
    • F16B19/1036—Blind rivets
    • F16B19/1081—Blind rivets fastened by a drive-pin
    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting

Definitions

  • the present invention relates to a one-way bolt fastening device, and more particularly, when the back surface of the fastening member is closed so that a hand or a tool cannot be inserted, the bolt and nut can be easily fastened by only working on one side of the front surface, and in particular, The present invention relates to a one-way bolt fastening device that allows the bolt and nut to be simply fastened on the front side of the member to be fastened without using a one-way bolting fastening tool.
  • the bolt fastening structure is typically made of a structure in which the bolt is inserted into the fastening hole on one surface of the fastened member, and the female screw of the nut is fastened to the male screw of the bolt projecting outward through the fastening hole on the other surface of the fastened member.
  • both sides of the fastening member should be opened to facilitate the access of the operator's hand or tool.
  • the back surface of the member to be fastened is closed and a hand or a tool cannot enter, that is, when the bolt and nut cannot be fastened on both sides of the member to be fastened, the above-described conventional bolt and nut fastening structure is avoided. There was a structural problem that cannot fasten the fastening member.
  • Korean Patent Publication No. 90-000221 which is the following patent document, can insert and insert a bolt having a split washer only in one direction, that is, on the outer surface, into a fastening hole such as a plate, and then connect and fasten it by external operation. Also described is a bolt fastening method and apparatus using a split washer that exhibits excellent ease of assembly from the outside with respect to the inner split washer and its work stability.
  • the prior art is to pull the split washer with a tension line to be combined into a single washer form, it is to be placed in place while integrating each separate washer completely separated from each other by only pulling the tension line in the state that the split washer is not visible. It is not a skilled worker is not easy in reality as well as a problem that takes a lot of time for fixing the partition washer.
  • the one-way bolt fastening assembly is composed of a one-way fastening bolt unit fastened to the fastened member and an entry rod for fixing the one-way fastening bolt unit to the fastened member, a structurally separate one-way bolt-only fastening tool
  • a structurally separate one-way bolt-only fastening tool There is an uncomfortable problem of using a phosphorus entry rod, and also due to the use of the entry rod, which is a separate one-way bolt-only fastening tool, there is a problem in that time and cost increase in an uneconomical manner, and at the same time, the workability is reduced due to a complicated fastening process. .
  • Patent Document 1 Korean Patent Publication (B1) Publication No. 90-000221 (Notification Date: 1990.01.23)
  • Patent Document 2 Republic of Korea Patent Registration (B1) Registration No. 10-1743074 (Registration Date: May 29, 2017)
  • An object of the present invention is to invent the above-mentioned conventional drawbacks, and if the back surface of the member to be closed is not able to enter the hand or tool, that is, to fasten the bolt and nut on both sides of the member to be fastened. If it is not possible to provide a one-way bolt fastening device that can be easily tightened bolts and nuts by working only on one side of the front.
  • the present invention allows the bolt and nut to be simply fastened on the front side of the member to be fastened without using a separate one-way bolt-only fastening tool, thereby economically reducing time and cost and improving workability. It is to provide a one-way bolted fastening device.
  • the present invention provides a bolt that includes a head that is fitted in the front of the fastening hole formed in the member to be fastened, and a male screw that protrudes toward the front in the state of being fitted in the fastening hole. It is formed with the same diameter and expands when tightened, and expands and assembles an expansion member that is in close contact between the head and the back surface of the member to be fastened.
  • the bolt is screwed into the inner circumferential surface (inner diameter) of the expansion member when tightened. Assembling by inserting the wedge member to expand, the bolt is fastened to the male screw of the bolt while moving the wedge member to the expansion member side when tightening the screw.
  • end of the male screw in the present invention is to form a square protrusion integrally.
  • the inner circumferential surface (inner diameter) of the expansion member and the outer circumferential surface (outer diameter) of the wedge member are formed with inclined portions corresponding to each other.
  • the center of the expansion member in the present invention is to form an incision to facilitate expansion.
  • the expansion member is separated into two parts to form a ring groove on the outer peripheral surface, the ring groove is assembled by inserting a rubber ring.
  • the inner circumferential surface of the wedge member is formed with a female screw fastened to a male screw of the bolt, and the wedge member and the nut are formed with concave and convex portions that are coupled to each other.
  • the wedge member is separated into a head and a body, and the head is formed with the same diameter as the head of the bolt.
  • the expansion member is expanded by the wedge member and the bolt and the nut Since the fastening is made, when the back surface of the member to be fastened structurally cannot be inserted into the hand or the tool, only the front side has an effect of easily fastening the bolt and the nut.
  • the bolt and nut can be simply fastened on the front side of the member to be fastened without the use of a special one-way bolting tool, which can economically reduce time and cost and improve workability. have.
  • FIG. 1 is an exploded perspective view of the present invention.
  • Figure 2 is a perspective view showing a coupled state of FIG.
  • FIG. 3 is a cross-sectional view of FIG.
  • Figure 7 is an exploded perspective view showing another embodiment of the expansion member according to the present invention.
  • FIG. 8 is a cross-sectional view showing a coupled state of FIG.
  • Figure 9 is an exploded perspective view showing another embodiment of the wedge member and the nut according to the present invention.
  • FIG. 10 is a cross-sectional view of FIG. 9;
  • FIG. 11 is a sectional view showing another embodiment of the wedge member according to the present invention.
  • FIG. 12 is a cross-sectional view showing a state of use of FIG.
  • Figure 13 is an exploded perspective view showing another embodiment of the wedge member according to the present invention.
  • FIG. 14 is a cross-sectional view of FIG.
  • FIG. 15 is a cross-sectional view showing a state of use of FIG.
  • the one-way bolt fastening device of the present invention the head 110 is inserted from the front surface 12 of the fastening hole 11 formed in the fastened member 10 and protrudes to the rear surface (13). And a bolt 100 having a male screw 120 projecting to the front surface 12 in a state of being fitted into the fastening hole 11.
  • the back surface of the head 110 and the fastening member 10 of the bolt 100 is expanded while being fastened in the state of being formed with the same diameter as the head 110 of the bolt 100 so as to be expandably fitted to the male screw 120 ( 13, an expansion member 200 in close contact therebetween;
  • a wedge member 300 which expands the expansion member 200 while being fitted into the inner circumferential surface of the expansion member 200 when fastened in the state of being fitted to the male screw 120 of the bolt 100; It is provided with a female screw 410 is fastened to the male screw 120 of the bolt 100 is in close contact with the front surface 12 of the fastening member 10 while moving the wedge member 300 to the expansion member 200 side when tightening
  • the configuration including the nut 400 is a basic feature of the technical configuration.
  • the one-way bolt fastening device of the present invention is to be able to work by fastening only one side of the front surface 12 when the back surface 13 of the member to be fastened 10 is not able to enter the hand or tool, in particular a separate one direction It is to be able to simply fasten without using a bolt-only fastening tool, the one-way bolt fastening device of the present invention is composed of a bolt 100, expansion member 200, wedge member 300 and nut 400.
  • the bolt 100 is fitted into the fastening hole 11 at the front surface of the fastening member 10, and the bolt 100 is mounted on the front surface 12 of the fastening hole 11 formed at the fastening member 10.
  • the head 110 is inserted and protrudes to the rear surface 13, and the male screw 120 protrudes to the front surface 12 in a state of being fitted into the fastening hole 11 of the fastened member 10.
  • the head 110 of the bolt 100 is formed to be smaller than the inner diameter of the fastening hole 11 so that the head 110 can be easily fitted into the fastening hole 11 of the fastening member 10.
  • the head 110 of the present invention is formed in a circular shape rather than a hexagon, unlike a conventional bolt head.
  • the square protrusion 121 is formed at the end of the male screw 120.
  • the square protrusion 121 is integrally formed at the end of the male screw 120, the square protrusion 121 of the male screw 120 protruding to the front surface 12 of the fastening member 10 is plied at the time of fastening. It can be easily fixed with (minus) or the like.
  • the expansion member 200 is to be fitted to the male screw 120 of the bolt 100 so that the expansion, the outer diameter of the expansion member 200 is formed to the same diameter as the outer diameter of the head 110, expansion member 200 ) Is fitted in the front surface 12 of the fastening hole 11 formed in the fastening member 10, such as the head 110 of the bolt 100 is protruded to the rear surface (13).
  • the expansion member 200 is to be in close contact between the head 110 of the bolt 100 and the back surface 13 of the fastening member 10 while expanding as fastened as shown in Figure 6, this expansion of the present invention
  • the member 200 extends larger than the fastening hole 11 during fastening and serves to be caught by the rear surface 13 of the fastening member 10.
  • the wedge member 300 is fitted to the male screw 120 of the bolt 100, such a wedge member 300 is fitted to the inner peripheral surface of the expansion member 200 when fastening as shown in Figure 6 expansion member 200 It serves to extend the. At this time, the wedge member 300 is fitted into the inner circumferential surface of the expansion member 200 at the time of fastening as shown in FIG. 6, whereby the expansion member 200 is expanded by the thickness of the wedge member 300 while being joined ( It is in close contact with the rear surface 13 of 10, the tip of the wedge member 300 is in close contact with the front of the head (110).
  • the inclined portions 210 and 310 corresponding to each other are formed at the tip of the inner circumferential surface of the expansion member 200 and the outer circumferential surface of the wedge member 300.
  • the inclined portion 210 is formed at the front end of the inner circumferential surface of the expansion member 200
  • the inclined portion 310 is formed at the front end of the outer circumferential surface of the wedge member 300, and the inclined portions 210 and 310 are illustrated in FIG.
  • the wedge member 300 serves to guide the fitting easily into the inner circumferential surface of the expansion member 200.
  • a cutout 220 is formed at the center of the expansion member 200.
  • the cutout 220 is formed in the center of the expansion member 200 as shown in Figures 1 and 2, the cutout 220 is such that the expansion member 200 is easily expanded when fastened as shown in FIG. It serves as a guide. At this time, the cutout 220 is cut off from both sides of the center of the expansion member 200 as shown in FIGS. 1 and 2, and is cut off when fastened to both ends of the center of the expansion member 200 by the cutout 220. Or the elastically extending connection portion 200a is formed. Therefore, normally, the expansion member 200 maintains a circular shape by the connection part 200a, but when the wedge member 300 is fitted into the inner circumferential surface of the expansion member 200, the connection part 200a is broken or elastically stretched. Therefore, the expansion member 200 is expanded to an oval while being extended to the top and bottom to be in close contact with the back surface 13 of the fastening member 10.
  • the expansion member 200 is divided into two parts, a ring groove 230 is formed on the outer peripheral surface, the ring groove 230
  • the rubber ring 240 is characterized in that it is fitted.
  • the rubber ring 240 serves to maintain the circular member so that the expansion member 200 is divided into two halves in a state that is normally fitted in the ring groove 230, and the rubber ring 240 is an expansion member when fastening
  • the rubber ring 240 is a bolt ( 100) and restores to its original state so that the expanded expansion member 200 can be reused when the nut 400 is separated.
  • the nut 400 is fastened to the bolt 100, the female inner thread 410 is formed on the central inner circumferential surface of the nut 400 by screwing to the male screw 120 of the bolt 100, the nut 400 ) Is formed in a hexagon larger than the fastening hole 11 of the fastening member 10 is in close contact with the front surface 12 when fastening as shown in FIG. At this time, the nut 400 is in close contact with the front surface 12 of the fastening member 10 while moving the wedge member 300 toward the expansion member 200 when fastening as shown in FIG.
  • the female screw fastened to the male screw 120 of the bolt 100 to the inner peripheral surface of the wedge member 300 320 is formed
  • the wedge member 300 and the nut 400 is characterized in that the concave, convex portion 330, 420 are formed to be coupled to each other.
  • the female thread 320 is fastened to the male screw 120 of the bolt 100 on the inner circumferential surface of the wedge member 300, the wedge member 300 and the nut 400, the concave, convex portion ( Since the 330 and 420 are formed, the wedge member 300 is fitted into the inner circumferential surface of the expansion member 200 while rotating together with the nut 400 when fastening.
  • the outer circumferential surface of the wedge member 300 is provided with a water-expandable index 340 to give a waterproof function do.
  • the water-expandable index 340 is to be expanded by itself when in contact with water, the water-expandable index 340 is when the moisture is introduced into the fastening hole 11 of the fastening member 10 Figure 12 Since the expansion function as in close to the fastening hole 11 performs a role of a waterproof function, structurally fastening hole 11 and bolt 100 and nut 400 fastening portion of the member 10 to be fastened structurally. It is possible to prevent water leakage.
  • the wedge member 300 is separated into a head portion 300a and a body portion 300b head ( 300a is characterized in that formed in the same diameter as the head 110 of the bolt (100).
  • the wedge member 300 is separated into a head portion 300a and a body portion 300b, and the head portion 300a is formed with the same diameter as the head 110 of the bolt 100,
  • the head part 300a is in close contact with the inner circumferential surface of the fastening hole 11 to block the inflow of moisture.
  • the expansion member 200 and the wedge member 300 are assembled to the external thread 120 of the bolt 100, and the nut 400 is screwed to the external thread 120 of the bolt 100.
  • the head 110 and the expansion member 200 of the bolt 100 is inserted in the front surface 12 of the fastening hole 11 formed in the fastened member 10 as shown in FIG. ) Is projected to the rear surface 13 of the fastened member 10.
  • the head 110 and the expansion member 200 of the bolt 100 maintain the protruding state to the rear surface 13 of the fastened member 10, and the male screw 120 of the bolt 100 is fixed.
  • the wedge member 300 is The fitted state in the fastening hole 11 of the fastening member 10 is maintained, and the nut 400 is maintained in the state protruding to the front surface 12 of the fastened member 10.
  • the head 110 of the bolt 100 expands the extended member 200 to the back surface of the fastened member 10 as shown in FIG. 6 by the tightening force of the nut 400. 13) firmly in contact with, the front end of the wedge member 300 is in close contact with the front of the head 110, at the same time the nut 400 is firmly in close contact with the front surface 12 of the fastening member (10).
  • the fastening of the bolt 100 and the nut 400 the two fastened members 10 are firmly fastened while being in close contact with each other.
  • the present invention in the state in which the head 110 and the expansion member 200 of the bolt 100 is fitted in the front surface 12 of the fastening hole 11 formed in the fastening member 10 exposed to the rear surface 13.
  • the expansion member 200 is expanded by the wedge member 300, so that the bolt 100 and the nut 400 are fastened, so that the back surface 13 of the member 10 to be fastened structurally. If the closed or hand can not enter the tool 12 has an advantage that can be easily fastened to the bolt 100 and the nut 400 by working only on one side.
  • the present invention does not use a separate one-way bolt-only fastening tool, unlike the prior art, using a tool such as a pliers and spanners that are usually used when fastening the bolt bolts on one side of the front surface 12 of the fastening member 10 Since the nut 100 and the nut 400 can be simply fastened, there is an advantage in that the workability can be improved while reducing the time and cost.
  • 300a head 300b: body
  • main part 340 water expansion index
  • the present invention can be used to easily fasten the bolts and nuts by working only on one side of the front surface without using a separate one-way bolt-only fastening tool when the back surface of the member to be fastened structurally closed hand or tool.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)

Abstract

La présente invention concerne un dispositif de fixation de boulon unidirectionnel, lequel dispositif permet à un utilisateur de fixer facilement un boulon et un écrou en travaillant d'un seul côté d'un côté avant quand un côté arrière d'un élément à fixer est fermé et qu'une main ou un outil ne peuvent pas être insérés, et lequel permet à l'utilisateur de fixer de façon simple le boulon et l'écrou à partir d'un côté du côté avant de l'élément à fixer sans utiliser d'outil de fixation de boulon unidirectionnel séparé et dédié. Le dispositif de fixation de boulon unidirectionnel selon la présente invention comprend : un boulon (100) ayant une tête (110) insérée dans un côté avant (12) d'un trou de fixation (11) formé dans un élément (10) à fixer et faisant saillie vers un côté arrière (13) et un filetage mâle (120) faisant saillie vers le côté avant (12) dans un état d'insertion dans le trou de fixation (11) ; un élément d'extension (200) formé de façon à avoir le même diamètre que celui de la tête (110) du boulon (100) et amené en contact étroit entre la tête (110) du boulon (100) et le côté arrière (13) de l'élément (10) à fixer tout en s'étendant pendant la fixation dans un état d'insertion extensible dans le filetage mâle (120) ; un élément de coin (300) étendant l'élément d'extension (200) tandis qu'il est inséré dans une périphérie interne de l'élément d'extension (200) pendant la fixation dans un état d'insertion dans le filetage mâle (120) du boulon (100) ; et un écrou (400) comportant un filetage femelle (410) fixé au filetage mâle (120) du boulon (100) et amené en contact étroit avec le côté avant (12) de l'élément fixé (10) tandis que l'élément de coin (300) est déplacé vers l'élément d'extension (200) pendant la fixation.
PCT/KR2018/016281 2018-03-05 2018-12-20 Dispositif de fixation de boulon unidirectionnel WO2019172510A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0025878 2018-03-05
KR1020180025878A KR101892209B1 (ko) 2018-03-05 2018-03-05 일방향 볼트 체결장치

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WO2019172510A1 true WO2019172510A1 (fr) 2019-09-12

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Publication number Priority date Publication date Assignee Title
KR20220161886A (ko) 2021-05-31 2022-12-07 이원기 일방향 볼트 체결장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990024963U (ko) * 1997-12-16 1999-07-05 정몽규 한방향 체결 볼트 구조
KR20040057118A (ko) * 2002-12-24 2004-07-02 재단법인 포항산업과학연구원 철골접합부의 일방향 체결장치
KR20070024959A (ko) * 2005-08-31 2007-03-08 황요안 수팽창고무 지수링을 사용한 지수관과 맨홀의 접합 공법
KR20120132659A (ko) * 2011-05-29 2012-12-07 주식회사 장평건설 체결구 조립체
JP2017082845A (ja) * 2015-10-26 2017-05-18 株式会社ＮｅｊｉＬａｗ 締結装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990024963U (ko) * 1997-12-16 1999-07-05 정몽규 한방향 체결 볼트 구조
KR20040057118A (ko) * 2002-12-24 2004-07-02 재단법인 포항산업과학연구원 철골접합부의 일방향 체결장치
KR20070024959A (ko) * 2005-08-31 2007-03-08 황요안 수팽창고무 지수링을 사용한 지수관과 맨홀의 접합 공법
KR20120132659A (ko) * 2011-05-29 2012-12-07 주식회사 장평건설 체결구 조립체
JP2017082845A (ja) * 2015-10-26 2017-05-18 株式会社ＮｅｊｉＬａｗ 締結装置

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