WO2020166462A1 - Élément de fixation - Google Patents

Élément de fixation Download PDF

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Publication number
WO2020166462A1
WO2020166462A1 PCT/JP2020/004441 JP2020004441W WO2020166462A1 WO 2020166462 A1 WO2020166462 A1 WO 2020166462A1 JP 2020004441 W JP2020004441 W JP 2020004441W WO 2020166462 A1 WO2020166462 A1 WO 2020166462A1
Authority
WO
WIPO (PCT)
Prior art keywords
spring washer
nut
bolt
engagement
washer
Prior art date
Application number
PCT/JP2020/004441
Other languages
English (en)
Japanese (ja)
Inventor
孝一 松永
Original Assignee
孝一 松永
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 孝一 松永 filed Critical 孝一 松永
Publication of WO2020166462A1 publication Critical patent/WO2020166462A1/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
    • 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
    • F16B39/26—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 with spring washers fastened to the nut or bolt-head

Definitions

  • the present invention relates to a fastening member having a locking structure.
  • An object of the present invention is to realize locking of bolts and nuts at a tightened position without requiring special processing of a member to be fastened.
  • one form of the present invention is a fastening member, the bolt 1 having a head 11 and a screw shaft 12, and the screw shaft 12 can be inserted, and the head 11 is A spring washer 2 that cannot be inserted is provided. Then, the head portion 11 and the spring washer 2 are engageable with or fixed to each other.
  • Another aspect of the present invention is a fastening member, which includes a nut 3 and a spring washer 2 into which the screw shaft 12 with which the nut 3 is screwed can be inserted and in which the nut 3 cannot be inserted. ing. Then, the nut 3 and the spring washer 2 are engageable with or fixed to each other.
  • FIG. 4 is a perspective view of a partial configuration of a spring washer and a nut of the spring washer integrated bolt nut of the present invention. It is a perspective view of a bolt provided with a fitting engagement part. It is a side view of a bolt provided with a fitting engagement part. It is a top view from the screw shaft side of a bolt provided with a fitting engagement part. It is a perspective view of a spring washer provided with a fitting engagement part.
  • FIG. 6 is a plan view from below of a spring washer provided with a fitting engagement portion.
  • FIG. 6 is a plan view from below of a spring washer provided with an insertion engaging portion. It is a perspective view of the nut provided with the insertion engaging part. It is a perspective view from below of the spring washer provided with the embedded engagement hole. It is a perspective view of an embedded engagement rod.
  • FIG. 7 is a perspective view of a nut having a recessed engagement hole. It is a perspective view of a flat washer provided with a plurality of locking notches. It is a side view of a spring washer fixing bolt. It is a side view of a spring washer fixation nut. It is a perspective view which screwed another nut other than the spring washer and nut of the present invention.
  • the bolt washer integrated with the spring washer of the present invention has a repulsive force of the spring washer 2 generated when the female threaded portion 311 of the bolt insertion portion 31 of the nut 3 is screwed into the male threaded portion 121 of the screw shaft 12 of the bolt 1 and tightened.
  • the ratchet effect that acts on the engaging portion 111 of the spring washer 2 and the engaging portion 22 of the nut 3 and the engaging portion 22 of the spring washer 2 is utilized.
  • FIG. 1 is a side view of the overall structure of a bolt/nut integrated with a spring washer of the present invention. It is a side view at the time of fastening the to-be-fastened member A81 and the to-be-fastened member B82 of the fastened member 8 using the bolt 1, the spring washer 2, the flat washer 4, and the flat washer 4, the spring washer 2, and the nut 3.
  • the fitting engagement portion 221 of the engagement portion 22 of the spring washer 2 engages with the engagement engagement portion 1111 of the engagement portion 111 provided on the screw shaft side of the head portion 11 of the bolt 1 and the spring washer 2
  • One end of the flat washer 4 is engaged with one of the engaging cut grooves 421 provided in the engaging portion 42 of the flat washer 4.
  • the engagement engagement portion 321 of the spring washer 2 is engaged with the engagement engagement portion 321 of the engagement portion 32 provided in the nut 3, and the other end of the spring washer 2 is provided with a plurality of flat washers 4.
  • the stop cut groove 421 is engaged with the locking cut groove 421 at one place.
  • the fastened member A81 and fastened member B82 are tightened, and the engaged bolt 1, spring washer 2, and flat washer 4, and the engaged flat washer 4, spring washer 2, and nut 3 are provided with spring washers.
  • the repulsive force of the spring washer 2 generated by tightening, the fitting engagement portion 1111 of the bolt 1 and the fitting engagement portion 221 of the spring washer 2, and the fitting engagement portion 321 of the nut 3 and the fitting of the spring washer 2
  • the ratchet effect acts on the engaging portion 221, and the loosening of the bolt 1 and the nut 3 is prevented.
  • the tip end of the spring washer 2 that contacts the flat washer 4 engages with the locking cut groove 421 at one position of the locking cut groove 421 of the flat washer 4, and regulates the movement of the spring washer 2 in the anti-tightening direction. To do.
  • FIG. 2 is a perspective view of a partial configuration of the bolt 1 and the spring washer 2 of the bolt nut integrated with the spring washer of the present invention.
  • the engagement engagement portion 221 of the engagement portion 22 of the spring washer 2 is engaged with the engagement engagement portion 1111 of the engagement portion 111 provided on the screw shaft side of the head portion 11 of the bolt 1. Since the fitting engagement portion 1111 of the bolt 1 and the fitting engagement portion 221 of the spring washer 2 are engaged with each other, the bolt 1 and the spring washer 2 operate integrally, and no matter where the tightening is stopped, The ratchet effect acting between the bolt 1 and the spring washer 2 prevents loosening.
  • FIG. 3 is a perspective view of a partial configuration of the spring washer 2 and the nut 3 of the bolt/nut integrated with the spring washer of the present invention.
  • the nut 3 in which the engagement engagement portion 321 of the engagement portion 32 of the nut 3 is engaged with the engagement engagement portion 221 of the engagement portion 22 of the spring washer 2, is screwed into the bolt 1, and becomes integral with the spring washer 2.
  • the bolt 1, the spring washer 2, and the nut 3 may be engaged with each other in a fitting engagement form, an insertion engagement form, an embedded engagement form via an intermediary member, and the respective forms will be described. 4 to 9 describe a telescoping engagement configuration.
  • FIG. 4 is a perspective view of the bolt 1 including the fitting engagement portion 1111.
  • the bolt 1 has a fitting engagement portion 1111 of the engagement portion 111 that engages a fitting engagement portion 221 of the engagement portion 22 provided at one end of the spring washer 2 at one position on the screw shaft side of the head 11.
  • Prepare The engagement engagement portion 1111 of the bolt 1 is a concave recess, and the depth of the engagement engagement portion 1111 of the bolt 1 is such that the engagement engagement portion 221 of the engagement portion 22 of the spring washer 2 can be secured.
  • the width of the fitting engagement portion 1111 of the bolt 1 is the width from the outer circumference of the bolt 1 to the screw shaft.
  • the screw shaft 12 of the bolt 1 has an angle at right angles to the head 11 of the bolt 1, and the length of the screw shaft 12 of the bolt 1 is as follows: the fastened member A81, the fastened member B82, and the fastened member 8. It is longer than the total thickness of the flat washer 4, the spring washer 2, the nut 3, and the like that are screwed together.
  • FIG. 5 is a side view of the bolt 1 including the fitting engagement portion 1111.
  • FIG. 6 is a plan view from the screw shaft side of the bolt 1 having the fitting engagement portion 1111.
  • FIG. 7 is a perspective view of the spring washer 2 including the fitting engagement portion 221.
  • the fitting engagement portion 221 of the engagement portion 22 of the spring washer 2 is provided at one end of the spring washer 2 with the width of the spring washer 2 by a convex protrusion provided outward, and the head portion 11 of the bolt 1 is engaged.
  • the engaging engagement portion 1111 of the portion 111 and the engaging engagement portion 321 of the engagement portion 32 of the nut 3 are engaged with each other.
  • FIG. 8 is a plan view from below of the spring washer 2 having the fitting engagement portion 221.
  • the fitting engagement portion 221 of the engagement portion 22 of the spring washer 2 is provided at one end of the spring washer 2 with the width of the spring washer 2.
  • FIG. 9 is a perspective view of the nut 3 including the fitting engagement portion 321.
  • the female screw portion 311 of the bolt insertion portion 31 of the nut 3 is screwed into the male screw portion 121 of the screw shaft 12 of the bolt 1.
  • the nut 3 engages with the fitting engagement portion 221 of the convex protruding engagement portion 22 provided outward at one end of the spring washer 2 at one place of the seat surface in contact with the spring washer 2.
  • the depth of the fitting engagement portion 321 of the nut 3 is such that the fitting engagement portion 221 of the spring washer 2 can be secured, and the width of the fitting engagement portion 321 of the nut 3 is from the outer circumference to the inner circumference of the nut 3.
  • the angle, pitch, inner diameter, and root diameter of the female screw portion 311 of the bolt insertion portion 31 of the nut 3 are adapted to the angle, pitch, root diameter, and outer diameter of the male screw portion 121 of the screw shaft 12 of
  • FIG. 10 and FIG. 11 describe the insertion engagement form.
  • FIG. 10 is a plan view from below of the spring washer 2 including the insertion engaging portion 222 that engages with the bolt and the nut.
  • the insertion engagement portion 222 of the engagement portion 22 provided in the spring washer 2 is provided with a wedge-shaped columnar protrusion vertically outward on the inner periphery of one end of the spring washer 2, and the engagement portion 111 of the head 11 of the bolt 1 is provided. It engages with the insertion engaging portion 1112 and the insertion engaging portion 322 of the engaging portion 32 of the nut 3.
  • FIG. 11 is a perspective view of the nut 3 including the insertion engaging portion 322 that engages with the spring washer.
  • the nut 3 is provided with a wedge-shaped columnar protrusion vertically outward on the inner surface of one end of the spring washer 2 at one position on the inside of the bearing surface of the engaging portion 32 that contacts the spring washer 2.
  • the insertion engaging part 322 which engages is provided.
  • the insertion engaging portion 322 of the nut 3 has a depth that ensures the insertion engaging portion 222 of the spring washer 2.
  • FIG. 12 is a perspective view of the spring washer 2 including the embedded engagement hole 223 that engages with the nut 3 via the embedded engagement rod 7 serving as an intermediate member.
  • the embedded engaging hole 223 of the engaging portion 22 of the spring washer 2 does not penetrate the spring washer 2.
  • the embedded engagement hole 223 of the spring washer 2 is paired with the embedded engagement hole 323 of the engagement portion 32 provided in the nut 3, and functions as a hole for accommodating and engaging the embedded engagement rod 7.
  • FIG. 13 is a perspective view of the embedded engagement rod 7 that engages with the embedded engagement hole 323 provided in the nut 3 and the embedded engagement hole 223 provided in the spring washer 2.
  • the thickness of the embedded engaging rod 7 is set so as to fit within the embedded engaging hole 323 provided in the engaging portion 32 of the nut 3 and the embedded engaging hole 223 provided in the engaging portion 22 of the spring washer 2.
  • the length of the dowel 7 is the sum of the lengths of the embedded engagement hole 323 provided in the nut 3 and the embedded engagement hole 223 provided in the spring washer 2.
  • FIG. 14 is a perspective view of the nut 3 including the embedded engagement hole 323 that engages with the embedded engagement rod 7.
  • the embedded engaging hole 323 of the engaging portion 32 of the nut 3 does not penetrate the nut 3.
  • the embedded engagement hole 323 of the nut 3 is paired with the embedded engagement hole 223 of the engagement portion 22 of the spring washer 2 and functions as a hole for accommodating and engaging the embedded engagement rod 7.
  • FIG. 15 is a perspective view of the flat washer 4 having a plurality of locking cut grooves 421 that can be engaged with the spring washer.
  • the engaging cutout grooves 421 provided in plural in the engaging portion 42 of the flat washer 4 are provided with an incline having a gentle angle with respect to the loosening direction of the spring washer 2 and a cutout groove in which one end of the spring washer 2 is caught and stopped. ..
  • the plurality of locking cut grooves 421 provided in the flat washer 4 engage with the spring washer 2 and regulate the rotation in the loosening direction.
  • FIG. 16 is a side view of the spring washer fixing bolt 5 in which the spring washer is fixed to the bolt.
  • the spring washer fixing bolt 5 is a member in which the bolt and the spring washer are fixed and integrated.
  • the spring washer fixing bolt 5 has the same effect as that obtained when the spring washer 2 is engaged with the bolt 1.
  • FIG. 17 is a side view of the spring washer fixing nut 6 in which the spring washer is fixed to the nut.
  • the spring washer fixing nut 6 is a member in which the nut and the spring washer are fixed and integrated.
  • the spring washer fixing nut 6 has the same effect as that obtained when the spring washer 2 is engaged with the nut 3.
  • FIG. 18 is a perspective view in which, in addition to the engaged spring washer 2 and nut 3, another nut is screwed onto the screw shaft 12 near the head of the bolt 1.
  • another nut is screwed onto the screw shaft 12 near the head of the bolt 1.

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

Abstract

La présente invention empêche le desserrage par: un élément de fixation comprenant un boulon, qui a une tête et une tige de vis, et une rondelle à ressort à travers laquelle la tige de vis peut être insérée et à travers laquelle la tête ne peut pas être insérée, la tête et la rondelle à ressort étant aptes à venir en prise l'une avec l'autre; et un élément de fixation comprenant un écrou et une rondelle à ressort dans laquelle la tige de vis vissée dans l'écrou peut être insérée et à travers laquelle l'écrou ne peut pas être inséré, l'écrou et la rondelle à ressort étant aptes à venir en prise l'un avec l'autre.
PCT/JP2020/004441 2019-02-13 2020-02-06 Élément de fixation WO2020166462A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019038017A JP6653492B1 (ja) 2019-02-13 2019-02-13 スプリングワッシャ一体型ボルトナット
JP2019-038017 2019-02-13

Publications (1)

Publication Number Publication Date
WO2020166462A1 true WO2020166462A1 (fr) 2020-08-20

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ID=69624517

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/004441 WO2020166462A1 (fr) 2019-02-13 2020-02-06 Élément de fixation

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JP (1) JP6653492B1 (fr)
WO (1) WO2020166462A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113389798B (zh) * 2021-07-21 2022-11-18 三马紧固件(浙江)股份有限公司 一种铁路专用新型防松螺母组件
JP7230264B1 (ja) * 2022-06-29 2023-02-28 オーエヌ工業株式会社 鋼管と継手の接続機構
JP7445339B1 (ja) 2023-01-30 2024-03-07 オーエヌ工業株式会社 鋼管と継手の接続機構

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5493663U (fr) * 1977-12-15 1979-07-03
JPS55147522U (fr) * 1979-04-12 1980-10-23
JPH0718018U (ja) * 1992-10-02 1995-03-31 浩 泓本 ボルト緊締具
CN208106948U (zh) * 2018-04-25 2018-11-16 何长青 一种双螺母与弹簧垫圈组合式防松动紧固装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5667416U (fr) * 1979-10-31 1981-06-04
JPS5930257Y2 (ja) * 1980-03-25 1984-08-29 東北金属工業株式会社 ばね座金付ねじまたはナット
JPH04296212A (ja) * 1991-03-22 1992-10-20 Hiroshi Fuchimoto ボルト緊締具
JPH06249220A (ja) * 1993-02-26 1994-09-06 Asahi Chem Ind Co Ltd 回転ロック付締結具、パネル取付金具及びそのパネルの取付構造
AUPQ611800A0 (en) * 2000-03-09 2000-03-30 Smolarek, Hanna Maria Washer and threaded fastener assembly incorporating same
JP2008267492A (ja) * 2007-04-20 2008-11-06 D & M Holdings Inc 部材のネジ固定構成
JP2012102783A (ja) * 2010-11-09 2012-05-31 Yoshiro Takiguchi 締付固定具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5493663U (fr) * 1977-12-15 1979-07-03
JPS55147522U (fr) * 1979-04-12 1980-10-23
JPH0718018U (ja) * 1992-10-02 1995-03-31 浩 泓本 ボルト緊締具
CN208106948U (zh) * 2018-04-25 2018-11-16 何长青 一种双螺母与弹簧垫圈组合式防松动紧固装置

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Publication number Publication date
JP6653492B1 (ja) 2020-02-26
JP2020133890A (ja) 2020-08-31

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