JPH06229412A - Loosening preventing structure of screw - Google Patents

Loosening preventing structure of screw

Info

Publication number
JPH06229412A
JPH06229412A JP35708292A JP35708292A JPH06229412A JP H06229412 A JPH06229412 A JP H06229412A JP 35708292 A JP35708292 A JP 35708292A JP 35708292 A JP35708292 A JP 35708292A JP H06229412 A JPH06229412 A JP H06229412A
Authority
JP
Japan
Prior art keywords
screw
concave
structure
elastic member
characterized
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.)
Pending
Application number
JP35708292A
Other languages
Japanese (ja)
Inventor
Shigeru Fujita
茂 藤田
Original Assignee
Shigeru Kogyo:Kk
株式会社シゲル工業
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 to JP34346792 priority Critical
Priority to JP4-343467 priority
Application filed by Shigeru Kogyo:Kk, 株式会社シゲル工業 filed Critical Shigeru Kogyo:Kk
Priority to JP35708292A priority patent/JPH06229412A/en
Publication of JPH06229412A publication Critical patent/JPH06229412A/en
Application status is Pending legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking 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
    • F16B39/32Locking by means of a pawl or pawl-like tongue
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/02Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/04Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
    • F16B39/06Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw with a pin or staple parallel to the bolt axis

Abstract

PURPOSE: To provide a loosening prevention means of which screwing is not loosened even if a male screw and a female screw are in tightly fastened state or loosely screwed state.
CONSTITUTION: A recessed streak 23 which almost accords with a screwing direction is formed in one side screw face of a screw part (b) for screwing, an elastic member 15 projecting from the screw face opposed to the recessed streak 23 is mounted on the other screw face (a), and fitting of the elastic member 15 into the recessed streak 23 becomes a resistance against screw turning movement and provides its action to prevent loosening.
COPYRIGHT: (C)1994,JPO&Japio

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、緩締状態を維持する必要がある個所に使用される捻子の緩み止め構造に関するものである。 The present invention relates to relates to a locking structure of a screw that is used in a location where there is a need to maintain gentle clamped.

【0002】 [0002]

【従来の技術】ボルトナットのように予め雄捻子と雌捻子が形成されており、その捻子の螺合で部材間の連結或は挟持を行う構造に於いて、螺合の緩み止めを実現する従来手段としては、ナット部材をダブル螺合したり、スプリング座金を介在させたり、捻子部材の回動を阻止する差しピンやワイヤー掛け等の阻止部材を装着する他、 And previously male thread and the female screw is formed as the Related Art bolts and nuts, in the structure for the coupling or clamping between the members in threaded engagement of the screw, to realize the screwing locking as a conventional means, other mounting or engaged double threaded nut member, or by interposing a spring washer, a blocking member such as a pointing pin or wire hanging to prevent rotation of the screw member,
ボルト自体のテーパー軸部を縦分割して螺合時の圧縮力に対する反発力を具備した割りピンタイプのボルトの使用等が知られている。 Bolt use of split pin type of bolt provided with the repulsive force or the like to compression forces during screwing the tapered shaft portion by vertical dividing itself is known.

【0003】 [0003]

【発明が解決しようとする課題】捻子は、捻子をしっかりと緊締した状態で、捻子山部分の互いの摩擦力を増加させた状態で捻子の螺合が緩まないようになっており、 Spiral coil The object of the invention is to solve the above-in a state of being firmly tightening the screws, and so as not to loosen the screwing of the screw in a state of increasing the mutual friction force of the threaded portion,
前記した緩み止め手段も捻子をしっかりと緊締した状態での緩み止め手段である。 Self-locking means described above is also a self-locking means in a state in which firmly tightening the screws.

【0004】ところで、捻子を使用する個所によっては、捻子をしっかりと強く緊締せずに、緩く締めた状態で使用される場合がある。 [0004] By the way, depending on the point of using a screw, without firmly strongly tightening the screw, there is a case to be used in a state of loosely tighten. 例えば捻子部分が枢結軸となる鋏の枢結軸、蝶番心棒等は所定の弱い挟持状態を維持していたり、単なる抜け止め状態を維持していたりするために捻子螺合が採用されている。 For example pivotal joints axis of scissors threaded portion is pivotal joints axis, the hinge axle etc. is threaded screwing is employed to or maintains or maintains a predetermined weak clamping state, the mere retaining state . このような緩い螺合の際の緩み止めは、前記した従来の緩み止め構造を採用しようとした場合、カプリング座金及び捻子の回動阻止部材は採用でず、ダブルナット並びに溝付きナットと穴明ボルトの組み合わせは、ナットの使用に限定されてしまう。 Loosening during such loose screwing, when attempting to adopt the conventional locking structure described above, rotation preventing member coupling washer and screw sidelines employed, double nut and slotted nut and AnaAkira the combination of bolts, is limited to the use of the nut. 従って緩やかな締付けの場合の汎用性を具備した捻子螺合の緩み止め手段は、テーパー軸部を縦分割した割りピンタイプボルトに限定される。 Accordingly locking means of the screw screwed provided with the versatility of the case of gradual tightening is limited tapered shaft portion vertically divided split pin type bolt.

【0004】然し前記ボルトは軸部がテーパー条であるため螺合位置によつて緩み止め効果が相違し、而も捻子山の螺合が完全で無いため軸方向の抜け抗力が弱いという問題点が在る。 [0004] However the bolt shaft portion are different is by go-between self-locking effect in screwing position because of the taper Article, screwed in the axial direction of the exit problem that drag is weak for not full of Thus also the threads It is there. そこで本発明は新規な捻子の緩み止め構造を提案したものである。 Accordingly, the present invention has proposed a loosening structure of the novel screw.

【0005】 [0005]

【課題を解決するための手段】本発明に係る捻子の緩み止め構造は、螺合する捻子部の一方の捻子面に、捻子進行方向と約一致する凹条を形成し、他方の捻子面に前記凹条と対応して捻子面より突出する弾性部材を付設してなることを特徴とするものである。 Screws locking according to the present invention SUMMARY OF THE INVENTION The structure, one of the threaded surface of the threaded screw portion to form a concave for approximately coincident with the screw advancing direction, on the other thread surface and it is characterized in that formed by attaching a resilient member protruding from the threaded surface corresponding to the concave.

【0006】 [0006]

【作用】捻子を螺合させると、弾性部材が凹条に位置している個所から凹条の存在しない個所まで移動(螺合部の回動)する場合、弾性部材が押し込まれることになるので、弾性部材の反発力が捻子の螺合回動の抵抗力となり、この抵抗力が緩み止めとして作用する。 [Action] When screwing the screws, to move from the point where the elastic member is positioned concave to nonexistent location of concave (rotation engagement portion), it means that the elastic member is pressed , the repulsive force of the elastic member is a resistance of the screwing rotation of the screw, which acts as a stop this resistance force loose.

【0007】 [0007]

【実施例】次に本発明の実施例について説明する。 Example will be described for the embodiment of the present invention. <第一実施例>図1乃至図3には本発明の第一実施例を示したもので、この実施例はボルト1とナット2の例を示したもので、ボルト1は一般のものと同様に頭部11 The <First Embodiment> FIGS shows a first embodiment of the present invention, this embodiment shows an example of the bolt 1 and the nut 2, the bolt 1 and those of the general Similarly, the head 11
と軸部12を具備し、頭部11はその回動を加えるべく形状例えばアレンレンチ用の六角穴部13を備え、軸部12は当然捻子aを刻設してなり、軸部12に弾性部材15を付設したものである。 Comprises a shank 12 and a head 11 is provided with a hexagonal hole 13 of the shape example for Allen wrench to add the rotation, will be engraved the shaft 12 is naturally spiral coil a, elastic shank 12 it is obtained by attaching a member 15. 弾性部材15の取付手段は、軸部12の一部を縦に分割し、この分割縦溝14の上方部分の軸部12に弾性部材15の先端を差し込み部材15の全体を軸部12の外方に突出させると共に、部材12が軸部12内に没入可能とし、且つ没入時に突出方向付勢するようにしてなるものである。 Attachment means of the elastic member 15 divides the portion of the shaft portion 12 vertically, the outer shaft portion 12 of the entire member 15 insert the end of the elastic member 15 to the shaft portion 12 of the upper portion of the segmental longitudinal grooves 14 together to protrude toward, member 12 is capable retracted into the shaft portion 12, in which and made so as to urge the projecting direction during immersion.

【0008】ナット2は通常通り本体21に透孔22を穿設し、透孔22の周壁に捻子bを刻設したもので、特に捻子bの面にボルト1の進出方向に凹条23を適当数形成したものである。 [0008] nut 2 a through hole 22 drilled in the usual body 21, which was engraved screw b on the peripheral wall of the through hole 22, in particular the concave 23 in the advancing direction of the bolt 1 the surface of the screw b it is obtained by forming appropriate number.

【0009】従って前記ボルト1とナット2を螺合せしめると、弾性部材15が凹条23にはまり込み、このはまり込みがボルト1のクリック感となり、クリツク間移動((螺合部の回動)は、弾性部材15が分割縦溝14 [0009] Thus, when allowed to screwing the bolt 1 and the nut 2, the elastic member 15 fitted into the concave 23, the fitted becomes the click feeling of the bolt 1, mobile between clicked ((rotation engagement portion) the elastic members 15 divided longitudinal grooves 14
内に押し込まれることになり、この押し込みの力即ち弾性部材15の反発力が捻子の螺合回動の抵抗力となるので、抵抗力が緩み止めとして作用するものである。 Becomes pushed by it within, the repulsive force of the force or the elastic member 15 of the push is the resistance of screwing rotation of the screw, the resistance force is to act as a stop loosening.

【0010】<第二実施例>図4及び図5には本発明の第二実施例を示したもので、この実施例は前記した第一実施例とは弾性部材15aの装着手段が相違するもので、その装着は、ボルト1aの軸部12の中心に下方から差し込み孔を穿設し、軸部12の下方部分を分割縦溝14とし、弾性線材で形成した弾性部材15aの先端を差し込み、軸部12の外方に張り出す様に設けたもので、前記第一実施例の弾性部材12の装着手段に比して第二実施例のものは強い弾力を得易いものである。 [0010] shows a second embodiment of a <Second Embodiment> The present invention in FIGS. 4 and 5, this embodiment is different is mounting means of the elastic member 15a and the first embodiment described above but, its mounting is bored the insertion hole from below the center of the shaft portion 12 of the bolt 1a, the lower portion of the shaft portion 12 and segmental longitudinal grooves 14, insert the end of the elastic member 15a formed of an elastic wire material , which was provided as to project outward of the shaft portion 12, that of the second embodiment in comparison with the mounting means of the elastic member 12 of the first embodiment are those likely to give a strong elasticity.

【0011】またナット2aは孔部22aを多角形状とし、単にタップで捻子切りを行なったもので、簡単に凹条23aを備えた雌捻子部cを形成できる利点がある。 [0011] Nut 2a is a hole 22a and the polygonal simply those conducted a threaded tap, can be advantageously formed easily female screw portion c having a concave 23a.

【0012】<第三実施例>図6及び図7は本考案の第三実施例を示すもので、この実施例は第二実施例と同様にボルト1bに分割縦溝14を設けると共に、分割縦溝14の頂面に差し込み孔141を穿設し、この分割縦溝14に弾性部材15bを装着するものである。 [0012] <Third Embodiment> FIGS. 6 and 7 show a third embodiment of the present invention, with this embodiment providing the segmental longitudinal grooves 14 on the bolt 1b similarly to the second embodiment, divided drilled the insertion hole 141 on the top surface of the longitudinal groove 14, is intended for mounting an elastic member 15b in the divided longitudinal groove 14. 弾性部材15は弾性線材を折り曲げて形成したもので、上方部分は前記差し込み孔141に挿着し、下方部分はボルト軸の両側方から張り出すようにしたものである。 Elastic member 15 is formed by bending a resilient wire, the upper part is inserted into the insertion hole 141, the lower part is obtained by so protrude from both sides of the bolt shaft.

【0013】而して凹条を具備した雌捻子に螺合すると、弾性部材15bの貼り出し部分の分割縦溝14からの出没で、ボルト1bの回転クリック感並びに緩み止めの作用がなされるものである。 [0013] Thus was screwed into the female screw provided with the concave and those in infested from segmental longitudinal grooves 14 of the stick out portion of the elastic member 15b, the action of the rotary click feeling and locking bolt 1b is made it is.

【0014】尚本発明は前記各実施例に限定されるものではなく、凹条と弾性部材は、前記実施例と逆に雄捻子側に凹条を形成し、雌捻子側に弾性部材を設けるようにしても良いし、また弾性部材も適宜な反発力を生ずるものであれば、その材質並びに装着構造は任意に定めることができるものである。 [0014] Note that the present invention is not limited to the respective embodiments, concave and the elastic member, said forming a concave in Example opposite the male threaded end, an elastic member to the female screw side it may be so and, if the elastic member is also intended to produce an appropriate repulsive force, the material and mounting structure are those that can be arbitrarily determined.

【0015】 [0015]

【発明の効果】以上のように本発明は、螺合する捻子部の一方の捻子面に凹条を形成し、他方の捻子面に前記凹条と対応して捻子面より突出する弾性部材を付設した捻子の緩み止め構造で、螺合回動時の弾性部材の凹条へのはまり込みが、捻子螺合回動の抵抗力となり、緩み止め作用をなすようにしたもので、緊締状態は勿論のこと緩やかな緊締状態での螺合であっても効果的に緩み止めを実現できたものである。 The present invention as described above, according to the present invention forms a concave on one of the screw surface of the screwed threaded portion, the elastic member protruding from the threaded surface corresponding to the concave to the other thread surface in loosening of screw was attached, but fits into the concave of the elastic member at the time of screwing rotation becomes a resistance force of the screw screwed pivot, which was to form an anti-loosening effect, tightening state of course things are those that can be realized effectively loosening even in the screwing of a moderate tightening state.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の第一実施例のボルト及びナットの斜視図。 1 is a perspective view of a bolt and a nut of a first embodiment of the present invention.

【図2】同ボルトの断面図。 FIG. 2 is a cross-sectional view of the bolt.

【図3】同ナットの平面図。 FIG. 3 is a plan view of the nut.

【図4】本発明の第二実施例のボルトの断面図。 Sectional view of the bolt of the second embodiment of the present invention; FIG.

【図5】同ナットの平面図。 FIG. 5 is a plan view of the nut.

【図6】本発明の第二実施例のボルトの正面図。 Figure 6 is a front view of the bolt of a second embodiment of the present invention.

【図7】本発明の第二実施例のボルトの断面図。 7 is a cross-sectional view of the bolt of a second embodiment of the present invention.

【符号の説明】 DESCRIPTION OF SYMBOLS

1,1a,1b ボルト 11 頭部 12 軸部 15,15a,15b 弾性部材 2,2a ナツト 21 本体 22 孔部 23,23a 凹条 1, 1a, 1b bolt 11 the head 12 the shaft portion 15, 15a, 15b elastic members 2,2a nut 21 body 22 holes 23,23a concave

Claims (5)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 螺合する捻子部の一方の捻子面に、捻子進行方向と約一致する凹条を形成し、他方の捻子面に前記凹条と対応して捻子面より突出する弾性部材を付設してなることを特徴とする捻子の緩み止め構造。 One of the threaded surface of 1. A threaded screw portion to form a concave for approximately coincident with the screw advancing direction, the elastic member protruding from the threaded surface corresponding to the concave to the other thread surface loosening the structure of the screw, characterized in that it is formed by attached.
  2. 【請求項2】 請求項第1項記載の捻子の緩み止め構造に於いて、雌捻子に凹条を形成したことを特徴とする捻子の緩み止め構造。 2. A method according to claim at the locking structure of the screw of Claim 1 wherein, the locking structure of the screw, characterized in that the formation of the concave in the female screw.
  3. 【請求項3】 請求項第1項記載の捻子の緩み止め構造に於いて、所望個所に穿設した多角形孔部に捻子立てを施して雌捻子を形成してなることを特徴とする捻子の緩み止め構造。 3. In locking structures of the screw as in claim 1 wherein, characterized in that by forming a female screw is subjected to tapping into a polygonal hole bored in the desired place spiral coil loosening structure of.
  4. 【請求項4】 請求項第1項記載の捻子の緩み止め構造に於いて、雄捻子に凹条を形成したことを特徴とする捻子の緩み止め構造。 4. The method of claim In loosening prevention structure of the screw of Claim 1 wherein, the locking structure of the screw, characterized in that the formation of the concave male screw.
  5. 【請求項5】 請求項第2項記載の捻子の緩み止め構造に於いて、雄捻子の下方部分に捻子を二分割する縦溝を形成し、縦溝内頂面に差し込み孔を縦穿し、弾性線材を折曲して下方部を張り出し形状した弾性部材の上端部分を、前記差し込み孔に挿着して弾性部材を縦溝内に装着してなることを特徴とする捻子の緩み止め構造。 5. In loosening prevention structure of screw according second claims, to form a longitudinal groove that bisects the screw in the lower portion of the male screw, and Tate穿 holes merge into longitudinal groove top surface the upper end portion of the elastic member in the shape protruding to the lower portion by bending an elastic wire, the insertion holes and inserting the resilient member characterized by being mounted in the longitudinal groove screws locking structure .
JP35708292A 1992-11-30 1992-12-22 Loosening preventing structure of screw Pending JPH06229412A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP34346792 1992-11-30
JP4-343467 1992-11-30
JP35708292A JPH06229412A (en) 1992-11-30 1992-12-22 Loosening preventing structure of screw

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP35708292A JPH06229412A (en) 1992-11-30 1992-12-22 Loosening preventing structure of screw
CA 2103183 CA2103183A1 (en) 1992-11-30 1993-11-16 Structure for preventing the loosening of a tightened screw assembly
GB9323957A GB2272951A (en) 1992-11-30 1993-11-22 Preventing loosening of screwthreaded fasteners
DE19934340504 DE4340504A1 (en) 1992-11-30 1993-11-27 Device for preventing loosening of a screw arrangement

Publications (1)

Publication Number Publication Date
JPH06229412A true JPH06229412A (en) 1994-08-16

Family

ID=26577538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP35708292A Pending JPH06229412A (en) 1992-11-30 1992-12-22 Loosening preventing structure of screw

Country Status (4)

Country Link
JP (1) JPH06229412A (en)
CA (1) CA2103183A1 (en)
DE (1) DE4340504A1 (en)
GB (1) GB2272951A (en)

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DE454918C (en) * 1926-06-06 1928-01-19 Roman Von Krenski threadlocking
GB328167A (en) * 1929-03-07 1930-04-24 Primo Brunelli Improved device for preventing unscrewing of nuts
GB350192A (en) * 1930-05-13 1931-06-11 George Harrington Improvements in or relating to screw-threaded bolts and nuts
GB377076A (en) * 1931-12-08 1932-07-21 William Matthew Kennedy Improvements in nut locks
DE603584C (en) * 1932-07-14 1934-10-03 Achille Frederic Boitel threadlocking
BE489285A (en) * 1948-06-07
GB1473822A (en) * 1975-05-30 1977-05-18 Towmotor Corp Method and device for locking a threaded connection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100801778B1 (en) * 2006-12-18 2008-02-11 윤종현 Subject matter contracting system
JP2015051267A (en) * 2013-09-05 2015-03-19 ビーダーマン・テクノロジーズ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディートゲゼルシャフトBiedermann Technologies Gmbh & Co. Kg Bone anchor and bone anchor assembly including the same

Also Published As

Publication number Publication date
CA2103183A1 (en) 1994-05-31
GB2272951A (en) 1994-06-01
DE4340504A1 (en) 1994-06-01
GB9323957D0 (en) 1994-01-12

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