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JPH10238518A - Friction fastening device - Google Patents

Friction fastening device

Info

Publication number
JPH10238518A
JPH10238518A JP5691297A JP5691297A JPH10238518A JP H10238518 A JPH10238518 A JP H10238518A JP 5691297 A JP5691297 A JP 5691297A JP 5691297 A JP5691297 A JP 5691297A JP H10238518 A JPH10238518 A JP H10238518A
Authority
JP
Japan
Prior art keywords
sleeve
flange
tube
clamping bolt
insertion hole
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
JP5691297A
Other languages
Japanese (ja)
Inventor
Katsuhiro Onuki
勝弘 大貫
Susumu Tomioka
進 冨岡
Kazumitsu Suzuki
一光 鈴木
Jiichi Miki
治一 三木
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.)
MIKI PUURII KK
Miki Pulley Co Ltd
Original Assignee
MIKI PUURII KK
Miki Pulley 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 MIKI PUURII KK, Miki Pulley Co Ltd filed Critical MIKI PUURII KK
Priority to JP5691297A priority Critical patent/JPH10238518A/en
Publication of JPH10238518A publication Critical patent/JPH10238518A/en
Pending legal-status Critical Current

Links

Landscapes

  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

PROBLEM TO BE SOLVED: To compact a friction fastening mechanism part and to perform fastening of a large shaft diameter. SOLUTION: A sleeve 18 is inserted in the peripheral groove 16 of a pipe body 14 with a flange 14a, and a flange 18b is formed at the sleeve 19. A clamping bolt insertion hole 20 is formed in the flange 18b of the sleeve 18. A screw hole 22 for a clamping bolt is in the flange 14a of a pipe body 14 and in a place corresponding to the clamping bolt insertion hole 20. By screwing a clamping bolt 24, inserted in the clamping bolt insertion hole 20, in the screw hole 22 of the pipe body 14, the sleeve 18 is pressed in the peripheral groove 16, the inside diameter part of the pipe body 14 is contracted, and the pipe body 14 is fixed on the shaft body inserted in a fit-in state therein.

Description

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

【0001】[0001]

【発明の属する技術分野】本発明は、板ばねカップリン
グなどに用いられる管体を軸体に密着固定するための摩
擦締結装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a friction fastening device for tightly fixing a tube used for a leaf spring coupling or the like to a shaft.

【0002】[0002]

【従来の技術】従来の、此種の摩擦締結装置は、図
(4)に示すように、テーパー面(2a)を有するリン
グ状のスリーブ(2)に軸方向にボルト挿入穴(4)が
複数等間隔で形成され、このボルト挿入穴(4)に対応
して、フランジ(6a)付きの管体(6)にねじ穴
(8)が軸方向に穿設されている。スリーブ(2)は、
予め、管体(6)の、テーパー面が形成された円周溝
(10)にゆるく挿入されている。更に、クランピング
ボルト(12)がスリーブ(2)のボルト挿入穴(4)
にスライド自在に挿入され、該クランピングボルト(1
2)がねじ穴(8)にゆるく捩じ込まれて、スリーブ
(2)は、円周溝(10)に仮止めされている。管体
(6)を軸体(図示省略)に固定する場合には、管体
(6)の軸穴に軸体を挿入した後、クランピングボルト
(12)をねじ穴(8)にきつく捩じ込む。これによ
り、スリーブ(2)が円周溝(10)に噛み込まれ、そ
の圧力によって、管体(6)の内径部の薄肉部(6b)
が圧縮され、管体(6)は軸体に摩擦力で締結される。
2. Description of the Related Art As shown in FIG. 4 (4), a conventional friction fastening device of this type has a bolt-shaped insertion hole (4) formed in a ring-shaped sleeve (2) having a tapered surface (2a) in the axial direction. A plurality of holes are formed at equal intervals, and screw holes (8) are formed in the pipe body (6) with the flange (6a) in the axial direction corresponding to the bolt insertion holes (4). The sleeve (2)
The pipe (6) is loosely inserted in advance into a circumferential groove (10) having a tapered surface. Further, the clamping bolt (12) is inserted into the bolt insertion hole (4) of the sleeve (2).
Slidably inserted into the clamping bolt (1
2) is loosely screwed into the screw hole (8), and the sleeve (2) is temporarily fixed to the circumferential groove (10). When the tube (6) is fixed to a shaft (not shown), after inserting the shaft into the shaft hole of the tube (6), the clamping bolt (12) is screwed tightly into the screw hole (8). Get into it. As a result, the sleeve (2) is bitten into the circumferential groove (10), and the pressure of the sleeve (2) causes the thin portion (6b) of the inner diameter portion of the tube (6) to enter.
Is compressed, and the tube (6) is fastened to the shaft by frictional force.

【0003】[0003]

【発明が解決しようとする課題】従来のフランジ付き管
体、スリーブ及びクランピングボルトとから成る摩擦締
結機構は、その機構上、スリーブ内にクランピングボル
トを配置しているので、管体の外径に比し、締結できる
軸体の軸径が小さいという問題点があった。本発明は上
記問題点を解決することを目的とするものである。
In a conventional friction fastening mechanism comprising a tube with a flange, a sleeve and a clamping bolt, the clamping bolt is arranged in the sleeve, so that the tube is outside the tube. There is a problem that the shaft diameter of the shaft body that can be fastened is smaller than the diameter. An object of the present invention is to solve the above problems.

【0004】[0004]

【課題を解決するための手段】上記目的を達成するた
め、本発明は、フランジ(14a)付き管体(14)の
円周溝(16)にスリーブ(18)を圧入し、前記管体
(14)の内径部を縮径して、該管体(14)を、これ
に嵌挿された軸体に固定するようにした摩擦締結装置に
おいて、前記スリーブ(18)にフランジ(18b)を
設け、該フランジ(18b)にボルト挿入穴(20)を
設け、該ボルト挿入穴(20)に対応して前記管体(1
4)のフランジ(14a)にボルト用のねじ穴(22)
を設け、前記ボルト挿入穴(20)に挿入され前記ねじ
穴(22)に捩じ込まれたボルト(24)の締め付け力
によって前記スリーブ(18)を前記円周溝(16)に
圧入するようにしたものである。
According to the present invention, a sleeve (18) is press-fitted into a circumferential groove (16) of a tube (14) having a flange (14a). In the friction fastening device in which the inner diameter of the tube (14) is reduced by fixing the inner diameter of the tube (14) to the shaft inserted therein, a flange (18b) is provided on the sleeve (18). A bolt insertion hole (20) is provided in the flange (18b), and the pipe (1) is formed corresponding to the bolt insertion hole (20).
4) Screw holes (22) for bolts in the flange (14a)
The sleeve (18) is pressed into the circumferential groove (16) by a tightening force of a bolt (24) inserted into the bolt insertion hole (20) and screwed into the screw hole (22). It was made.

【0005】[0005]

【発明の実施の形態】以下に本発明の実施の形態を、添
付した図面を参照して詳細に説明する。(14)は板ば
ねカップリングに使用される管体であり、フランジ(1
4a)が一体的に形成されている。前記管体(14)に
は円周方向に円周溝(16)が形成され、該溝(16)
の深さは軸方向に所定長さ延び、該溝(16)の底面と
対向する側は管体(14)の一方の端面に開口してい
る。前記溝(16)の円周壁面にはテーパー面(16
a)が形成され、管体(14)の内径部に変形可能な薄
肉部(14b)を形成している。(18)は、前記溝
(16)に挿入されるのに適した径と厚さを有するリン
グ状のスリーブであり、内周面にテーパー面(18a)
が形成され、該スリーブ(18)の一方側にはフランジ
(18b)が形成されている。前記フランジ(18b)
には等間隔にU字状のボルト挿入穴(20)が穿設され
ている。
Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. (14) is a tube used for a leaf spring coupling, and has a flange (1).
4a) is formed integrally. A circumferential groove (16) is formed in the pipe body (14) in a circumferential direction, and the circumferential groove (16) is formed.
Has a predetermined length extending in the axial direction, and a side of the groove (16) facing the bottom surface is open at one end face of the tube (14). The circumferential wall surface of the groove (16) has a tapered surface (16).
a) is formed, and a deformable thin portion (14b) is formed in the inner diameter portion of the tube (14). (18) is a ring-shaped sleeve having a diameter and a thickness suitable for being inserted into the groove (16), and a tapered surface (18a) on the inner peripheral surface.
Is formed, and a flange (18b) is formed on one side of the sleeve (18). The flange (18b)
Are provided with U-shaped bolt insertion holes (20) at equal intervals.

【0006】前記フランジ(14a)には、前記ボルト
挿入穴(20)に対応して、ボルト用のねじ穴(22)
が厚み方向に貫通して穿設されている。(24)はクラ
ンピングボルトであり、その無ねじ状軸部には、頭部
(24a)に対して、略、前記フランジ(18b)の肉
厚程の間隔を存して、つば(24b)が形成されてい
る。次に、管体(14)を、軸体に固定する操作につい
て説明する。
The flange (14a) has a screw hole (22) for a bolt corresponding to the bolt insertion hole (20).
Are penetrated in the thickness direction. Reference numeral (24) denotes a clamping bolt, and its non-threaded shaft portion has a flange (24b) at an interval substantially equal to the thickness of the flange (18b) with respect to the head (24a). Are formed. Next, an operation of fixing the tube (14) to the shaft will be described.

【0007】先ず、管体(14)の溝(16)に、スリ
ーブ(18)を緩く挿入し、クランピングボルト(2
4)をボルト挿入穴(20)に挿入し、該ボルト(2
4)を緩くねじ穴(22)に螺合した状態で、軸体(図
示省略)を管体(14)の軸穴に挿入する。次に、クラ
ンピングボルト(24)をねじ穴(22)にきつく捩じ
込む。これにより、スリーブ(18)はボルト(24)
の頭部(24a)の圧力によって溝(16)に圧入噛み
込まれる。これにより管体(14)の薄肉部(14b)
が縮径して、管体(14)は、軸体に摩擦締結される。
クランピングボルト(24)を逆回転させると、クラン
ピングボルト(24)は図(1)中、左方向に移動し、
つば(24b)の圧力によってスリーブ(18)の溝
(16)に対する噛み込みが解除される。なお、本発明
の実施に際して、ボルト挿入穴(20)の形状は特にU
字状に限定されるものでなく、丸型その他の形状として
も良い。また、つば(24b)は、Eリングを用いても
良い。
First, the sleeve (18) is loosely inserted into the groove (16) of the tube (14), and the clamping bolt (2) is inserted.
4) is inserted into the bolt insertion hole (20), and the bolt (2) is inserted.
In a state where 4) is loosely screwed into the screw hole (22), a shaft (not shown) is inserted into the shaft hole of the tube (14). Next, the clamping bolt (24) is screwed tightly into the screw hole (22). Thereby, the sleeve (18) is connected to the bolt (24).
Is press-fitted into the groove (16) by the pressure of the head (24a). Thereby, the thin portion (14b) of the tube (14)
Is reduced in diameter, and the tube (14) is frictionally fastened to the shaft.
When the clamping bolt (24) is rotated in the reverse direction, the clamping bolt (24) moves to the left in FIG.
The engagement of the sleeve (18) into the groove (16) is released by the pressure of the collar (24b). In carrying out the present invention, the shape of the bolt insertion hole (20) is particularly U-shaped.
The shape is not limited to the letter shape, and may be a round shape or another shape. The collar (24b) may use an E-ring.

【0008】[0008]

【発明の効果】本発明は上述の如く、締付固定用のボル
トをスリーブ外に配置したので、摩擦締結機構部がコン
パクトとなり、大軸径の締結が可能となるという効果が
存する。
As described above, according to the present invention, since the bolts for fastening and fixing are arranged outside the sleeve, the frictional fastening mechanism is compact, and the fastening with a large shaft diameter is possible.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明のA−A線断面図である。FIG. 1 is a sectional view taken along line AA of the present invention.

【図2】本発明の側面図である。FIG. 2 is a side view of the present invention.

【図3】本発明のB−B線断面図である。FIG. 3 is a sectional view taken along line BB of the present invention.

【図4】従来技術の断面図である。FIG. 4 is a sectional view of the prior art.

【符号の説明】[Explanation of symbols]

2 スリーブ 2a テーパー面 4 ボルト挿入穴 6 管体 6a フランジ 6b 肉薄部 8 ねじ穴 10 円周溝 12 クランピングボルト 14 管体 14a フランジ 14b 肉薄部 16 円周溝 16a テーパー面 18 スリーブ 18a テーパー面 18b フランジ 20 ボルト挿入穴 22 ねじ穴 24 クランピングボルト 24a 頭部 24b つば 2 Sleeve 2a Tapered surface 4 Bolt insertion hole 6 Tube 6a Flange 6b Thin portion 8 Screw hole 10 Circular groove 12 Clamping bolt 14 Tube 14a Flange 14b Thin portion 16 Circular groove 16a Tapered surface 18 Sleeve 18a Tapered surface 18b Flange Reference Signs List 20 bolt insertion hole 22 screw hole 24 clamping bolt 24a head 24b collar

───────────────────────────────────────────────────── フロントページの続き (72)発明者 三木 治一 神奈川県川崎市中原区今井南町461 三木 プ−リ株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Jiichi Miki 461 Imai Minami-cho, Nakahara-ku, Kawasaki-shi, Kanagawa Pref.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 フランジ(14a)付き管体(14)の
円周溝(16)にスリーブ(18)を圧入し、前記管体
(14)の内径部を縮径して、該管体(14)を、これ
に嵌挿された軸体に固定するようにした摩擦締結装置に
おいて、前記スリーブ(18)にフランジ(18b)を
設け、該フランジ(18b)にボルト挿入穴(20)を
設け、該ボルト挿入穴(20)に対応して前記管体(1
4)のフランジ(14a)にボルト用のねじ穴(22)
を設け、前記ボルト挿入穴(20)に挿入され前記ねじ
穴(22)に捩じ込まれたボルト(24)の締め付け力
によって前記スリーブ(18)を前記円周溝(16)に
圧入するようにしたことを特徴とする摩擦締結装置。
1. A sleeve (18) is press-fitted into a circumferential groove (16) of a tube (14) with a flange (14a) to reduce the inner diameter of the tube (14). 14), a flange (18b) is provided on the sleeve (18), and a bolt insertion hole (20) is provided on the flange (18b). , The pipe (1) corresponding to the bolt insertion hole (20).
4) Screw holes (22) for bolts in the flange (14a)
The sleeve (18) is pressed into the circumferential groove (16) by a tightening force of a bolt (24) inserted into the bolt insertion hole (20) and screwed into the screw hole (22). A friction fastening device characterized in that:
JP5691297A 1997-02-25 1997-02-25 Friction fastening device Pending JPH10238518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5691297A JPH10238518A (en) 1997-02-25 1997-02-25 Friction fastening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5691297A JPH10238518A (en) 1997-02-25 1997-02-25 Friction fastening device

Publications (1)

Publication Number Publication Date
JPH10238518A true JPH10238518A (en) 1998-09-08

Family

ID=13040686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5691297A Pending JPH10238518A (en) 1997-02-25 1997-02-25 Friction fastening device

Country Status (1)

Country Link
JP (1) JPH10238518A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012200616A (en) * 2011-03-23 2012-10-22 Kurimoto Ltd Planetary ball mill
RU2709333C1 (en) * 2019-05-29 2019-12-17 Станислав Александрович Архипов Detachable tight connection of "dovetail" type

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012200616A (en) * 2011-03-23 2012-10-22 Kurimoto Ltd Planetary ball mill
RU2709333C1 (en) * 2019-05-29 2019-12-17 Станислав Александрович Архипов Detachable tight connection of "dovetail" type

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