JP2016121759A - Detent mechanism - Google Patents

Detent mechanism Download PDF

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JP2016121759A
JP2016121759A JP2014262212A JP2014262212A JP2016121759A JP 2016121759 A JP2016121759 A JP 2016121759A JP 2014262212 A JP2014262212 A JP 2014262212A JP 2014262212 A JP2014262212 A JP 2014262212A JP 2016121759 A JP2016121759 A JP 2016121759A
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friction plates
fixed
stepped
detent mechanism
movable friction
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JP6439198B2 (en
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俊光 市瀬
Toshimitsu Ichise
俊光 市瀬
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Tamagawa Seiki Co Ltd
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Tamagawa Seiki Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a small-sized and thin detent mechanism made only of a plate member, without using conventional cam plate, detent ball and the like.SOLUTION: In a detent mechanism, by inserting movable friction plates 10, 11 with a step into gaps 8, 9 among a plurality of stationary friction plates 2, 6, 7, and rotating the movable friction plates 10, 11 with a step through a lever 30, a step part 25 of the movable friction plates 10, 11 with a step is engaged with the respective stationary friction plates 2, 6, 7, and the movable friction plates 10, 11 with a step can be positioned.SELECTED DRAWING: Figure 1

Description

本発明は、ディテント機構に関し、特に、板で構成される固定摩擦部と段付可動摩擦板の組合せによる小型で薄型の構成とするための新規な改良に関する。   The present invention relates to a detent mechanism, and more particularly, to a novel improvement for making a small and thin structure by combining a fixed friction portion made of a plate and a stepped movable friction plate.

従来、用いられていたこの種のディテント機構としては、例えば、特許文献1、特許文献2及び特許文献3に示される構成を挙げることができる。
前述の特許文献1に開示されたディテント機構及び自動変速機においては、図示していないが、凹凸が形成されたプレートに対してディテントスプリングが係合している構成である。
また、特許文献2に開示されたディテント機構においては、左右に回動するレバーの凹部にボールを出没させて、レバーの位置決めを行う構成であった。
また、特許文献3に開示されたディテント機構としての自動変速機のシフトレバー装置においては、ディテント板の凹凸部にシフトレバーからのロッドの先端が係合することによって、ディテント機構が構成されている。
Conventionally used detent mechanisms of this type include, for example, configurations shown in Patent Document 1, Patent Document 2, and Patent Document 3.
In the detent mechanism and the automatic transmission disclosed in the above-mentioned Patent Document 1, although not shown, the detent spring is engaged with the plate on which the unevenness is formed.
Further, the detent mechanism disclosed in Patent Document 2 is configured to position the lever by causing the ball to appear in and out of the concave portion of the lever that rotates to the left and right.
Further, in the shift lever device of the automatic transmission as the detent mechanism disclosed in Patent Document 3, the detent mechanism is configured by engaging the tip of the rod from the shift lever with the uneven portion of the detent plate. .

特開2009−162346号公報JP 2009-162346 A 特開2005−235001号公報JP 2005-235001 A 特開2007−8381号公報JP 2007-8381 A

従来のディテント機構は、以上のように構成されていたため、次のような課題が存在していた。
すなわち、特許文献1のディテント機構の場合、凹凸部を有する回転板とバネ板及びスプリング等を必要とするため、全体構成が大型となり、小型化及び薄型の要望に応えることは困難であった。
また、特許文献2のディテント機構の場合、レバーに設けたカム板の凹凸部に対してボールを保持する機構が必要であるため、特許文献1と同様の課題が存在していた。
また、特許文献3のディテント機構の場合、ディテント部を形成するための凹凸部を有するカム板の形状が大形となり、省スペースに沿う構成とすることは困難であった。
Since the conventional detent mechanism is configured as described above, the following problems exist.
That is, in the case of the detent mechanism of Patent Document 1, since a rotating plate having a concavo-convex portion, a spring plate, a spring, and the like are required, the overall configuration becomes large, and it is difficult to meet the demand for downsizing and thinning.
Further, in the case of the detent mechanism of Patent Document 2, a mechanism for holding the ball with respect to the concave and convex portions of the cam plate provided on the lever is necessary, and thus there is a problem similar to that of Patent Document 1.
In the case of the detent mechanism of Patent Document 3, the shape of the cam plate having the concavo-convex portion for forming the detent portion is large, and it is difficult to achieve a configuration that saves space.

本発明は、以上のような課題を解決するためになされたもので、特に、板で構成される固定板部と段付可動摩擦板の組合せによる小型で薄型の構成からなるディテント機構を提供することを目的とする。   The present invention has been made to solve the above-described problems, and in particular, provides a detent mechanism having a small and thin configuration by combining a fixed plate portion made of a plate and a stepped movable friction plate. For the purpose.

本発明によるディテント機構は、本体に固定された固定摩擦部と、前記固定摩擦部に設けられ互いに隙間をあけて並列配置された複数の固定摩擦板と、前記各固定摩擦板をカラーを介して挟持するためのねじ及びナットと、前記固定摩擦板の前記隙間内に回動自在に介挿された段付可動摩擦板と、前記段付可動摩擦板の一端側に形成され他の部分より高い段部と、を備え、前記段部が前記隙間内に挿入されることにより、前記段付可動摩擦板の位置決めが行われ、かつ、前記段付可動摩擦板の回動角度範囲は有限角である構成であり、また、前記固定摩擦板は、3枚よりなり、前記段付可動摩擦板は2枚よりなり、前記固定摩擦板と段付可動摩擦板により形成される摩擦面は4面である構成であり、また、前記固定摩擦板はアルミ青銅からなり、前記段付可動摩擦板はステンレスからなる構成である。   A detent mechanism according to the present invention includes a fixed friction portion fixed to a main body, a plurality of fixed friction plates provided in the fixed friction portion and arranged in parallel with a gap therebetween, and the fixed friction plates via a collar. Screws and nuts for clamping, a stepped movable friction plate rotatably inserted in the gap of the fixed friction plate, and higher than other portions formed on one end side of the stepped movable friction plate The stepped movable friction plate is positioned by inserting the stepped portion into the gap, and the rotational angle range of the stepped movable friction plate is a finite angle. The fixed friction plate is composed of three sheets, the stepped movable friction plate is composed of two sheets, and the friction surfaces formed by the fixed friction plate and the stepped movable friction plate are four surfaces. The fixed friction plate is made of aluminum bronze. The stepped movable friction plate is a structure made of stainless steel.

本発明によるディテント機構は、以上のように構成されているため、次のような効果を得ることができる。
すなわち、本体に固定された固定摩擦部と、前記固定摩擦部に設けられ互いに隙間をあけて並列配置された複数の固定摩擦板と、前記各固定摩擦板をカラーを介して挟持するためのねじ及びナットと、前記固定摩擦板の前記隙間内に回動自在に介挿された段付可動摩擦板と、前記段付可動摩擦板の一端側に形成され他の部分より高い段部と、を備え、前記段部が前記隙間内に挿入されることにより、前記段付可動摩擦板の位置決めが行われ、かつ、前記段付可動摩擦板の回動角度範囲は有限角であることにより、1段階のみの操作で、かつ、2段階操作を必要としない、小型でかつ薄型のディテント機構を得ることができる。
また、前記固定摩擦板は、3枚よりなり、前記段付可動摩擦板は2枚よりなり、前記固定摩擦板と段付可動摩擦板により形成される摩擦面は4面であることにより、強力なディテント動作を小型でかつ薄型であるにも拘わらず、得ることができ、航空機等のレバー機構用として好適である。
また、前記固定摩擦板はアルミ青銅からなり、前記段付可動摩擦板はステンレスからなることにより、機構全体を軽量化することができる。
Since the detent mechanism according to the present invention is configured as described above, the following effects can be obtained.
That is, a fixed friction portion fixed to the main body, a plurality of fixed friction plates provided in the fixed friction portion and arranged in parallel with a gap between each other, and a screw for clamping each of the fixed friction plates via a collar And a nut, a stepped movable friction plate rotatably inserted in the gap of the fixed friction plate, and a stepped portion formed on one end side of the stepped movable friction plate and higher than the other portions. The stepped movable friction plate is positioned by inserting the stepped portion into the gap, and the rotation angle range of the stepped movable friction plate is a finite angle. It is possible to obtain a small and thin detent mechanism that is operated only in stages and does not require a two-stage operation.
Further, the fixed friction plate is composed of three sheets, the stepped movable friction plate is composed of two sheets, and there are four friction surfaces formed by the fixed friction plate and the stepped movable friction plate. In spite of being small and thin, it is possible to obtain a detent operation, which is suitable for a lever mechanism such as an aircraft.
Further, the fixed friction plate is made of aluminum bronze, and the stepped movable friction plate is made of stainless steel, so that the entire mechanism can be reduced in weight.

本発明によるディテント機構を示す構成図である。It is a block diagram which shows the detent mechanism by this invention. 図1の側面図である。It is a side view of FIG. 図1の構成の斜視概略図である。FIG. 2 is a schematic perspective view of the configuration of FIG. 1. 図1のディテント機構を一対とした断面図である。It is sectional drawing which made the detent mechanism of FIG. 1 a pair.

本発明によるディテント機構は、板で構成される固定摩擦部と段付可動摩擦板の組合せによる小型で薄型の構成とすることである。   The detent mechanism according to the present invention is to have a small and thin configuration by combining a fixed friction portion made of a plate and a stepped movable friction plate.

以下、図面と共に本発明によるディテント機構の好適な実施の形態について説明する。
図1において、符号1で示されるものは、航空機等の本体であり、前記本体1の下面1aには、図2に示されるように全体形状がT字型をなす第1固定摩擦板2が取付ねじ3によって斜め下方に延設され傾斜した状態で固定摩擦部1Aをなすように固定されている。
前記第1固定摩擦板2の両側には、一対のカラー4,5を介して一対の固定摩擦板6,7が設けられている。
Hereinafter, preferred embodiments of a detent mechanism according to the present invention will be described with reference to the drawings.
In FIG. 1, what is indicated by reference numeral 1 is a main body of an aircraft or the like. On the lower surface 1a of the main body 1, there is a first fixed friction plate 2 whose overall shape is T-shaped as shown in FIG. The mounting screw 3 extends obliquely downward and is fixed so as to form the fixed friction portion 1A in an inclined state.
A pair of fixed friction plates 6 and 7 are provided on both sides of the first fixed friction plate 2 via a pair of collars 4 and 5.

前記各カラー4,5によって形成された一対の隙間8,9には、全体形状が弧状をなす一対の段付可動摩擦板10,11が摩擦を伴って摺動できるように構成され、前記各固定摩擦板2,6.7は、各固定摩擦板2,6,7及び前記各カラー4,5を貫通する一対のねじ12,13及びナット14,15及び皿ばね20によって挟持されると共に矢印A,Bで示される押圧力によって締結されている。   The pair of gaps 8 and 9 formed by the collars 4 and 5 are configured such that a pair of stepped movable friction plates 10 and 11 having an arc shape as a whole can slide with friction. The fixed friction plates 2, 6.7 are sandwiched between a pair of screws 12, 13, nuts 14, 15, and disc springs 20 that pass through the fixed friction plates 2, 6, 7 and the collars 4, 5. It is fastened by the pressing force indicated by A and B.

前記各隙間8,9内に介挿された一対の段付可動摩擦板10,11により、前記各固定摩擦板2,6,7と各段付可動摩擦板10,11との間には、合計で4ケ所の摩擦面21が形成されている。
前記各段付可動摩擦板10は、図1のレバー30に一体状に接続されており、このレバー30を矢印Cの方向に回動することにより、このレバー30に設けられた各段付可動摩擦板10,11は図1の実線で示す位置から一点鎖線で示される位置に有限角の回動角度範囲で回動できるように構成されている。
尚、各固定摩擦板2,6,7と段付可動摩擦板10の枚数は、図示の枚数に限らず、任意の数とすることができる。
By means of a pair of stepped movable friction plates 10, 11 inserted in the gaps 8, 9, the fixed friction plates 2, 6, 7 and the stepped movable friction plates 10, 11 are A total of four friction surfaces 21 are formed.
Each stepped movable friction plate 10 is integrally connected to the lever 30 of FIG. 1, and each step provided on the lever 30 can be provided by rotating the lever 30 in the direction of arrow C. The dynamic friction plates 10 and 11 are configured so as to be able to rotate from a position indicated by a solid line in FIG.
The number of the fixed friction plates 2, 6, 7 and the stepped movable friction plate 10 is not limited to the illustrated number, and can be an arbitrary number.

前記各段付可動摩擦板10,11には、図1で示されるように、その一端側22において、外側部23と内側部24を接続する状態で段部25が形成されている。
前記段部25は、他の部分26よりも1段と高くなるように構成され、この段部25は各段付可動摩擦板10,11の肉厚を厚くするか、又は、プレス加工によって曲折加工して段状とするかの何れかによって形成されている。
As shown in FIG. 1, each of the stepped movable friction plates 10 and 11 is formed with a step portion 25 at one end side 22 in a state where the outer portion 23 and the inner portion 24 are connected.
The step portion 25 is configured to be one step higher than the other portion 26, and the step portion 25 is thickened by the stepped movable friction plates 10, 11 or bent by press working. It is formed by either processing to form a stepped shape.

従って、前述の構成において、前記レバー30を矢印Aの方向に回動させると、前記各固定摩擦板6,7に対して前記各段付可動摩擦板10,11が各摩擦面21を介して摩擦摺動して回動し前記段部25が、図1の実線から一点鎖線で示されるように回動すると、前記段部25が各固定摩擦板6,7と係合し、1段階のみのレバー30の操作によってレバー30のディテント動作を達成できる。   Therefore, in the above-described configuration, when the lever 30 is rotated in the direction of the arrow A, the stepped movable friction plates 10 and 11 pass through the friction surfaces 21 with respect to the fixed friction plates 6 and 7. When the step portion 25 is rotated by friction sliding and the step portion 25 is rotated as indicated by a one-dot chain line from the solid line in FIG. 1, the step portion 25 is engaged with each of the fixed friction plates 6 and 7, and only one step is performed. By operating the lever 30, the detent operation of the lever 30 can be achieved.

前記レバー30を矢印Cの方向とは逆方向に回動させることにより、前記段部25と各固定摩擦板2,6,7とのディテント状態は解除される。
尚、前記レバー30には、例えば、フラップ駆動部等の航空機の各種機構を接続し、小型で薄型の本発明のディテント機構によって確実な動作を行うことができる。
また、図4は、本発明によるディテント機構を一対として構成した場合を示している。尚、前記各固定摩擦板2,6,7はアルミ青銅よりなり、各段付可動摩擦板10,11はステンレスが好適である。
By rotating the lever 30 in the direction opposite to the direction of the arrow C, the detent state between the step portion 25 and the fixed friction plates 2, 6, 7 is released.
For example, various mechanisms of an aircraft such as a flap driving unit can be connected to the lever 30, and a reliable operation can be performed by a small and thin detent mechanism of the present invention.
FIG. 4 shows a case where the detent mechanism according to the present invention is configured as a pair. The fixed friction plates 2, 6, 7 are preferably made of aluminum bronze, and the stepped movable friction plates 10, 11 are preferably made of stainless steel.

尚、本発明によるディテント機構の要旨とするところは、次の通りである。
すなわち、本体1に固定された固定摩擦部1Aと、前記固定摩擦部1Aに設けられ互いに隙間8,9をあけて並列配置された複数の固定摩擦板2,6,7と、前記各固定摩擦板2,6,7をカラー4,5を介して挟持するためのねじ12,13及びナット14,15と、前記固定摩擦板2,6,7の前記隙間8,9内に回動自在に介挿された段付可動摩擦板10,11と、前記段付可動摩擦板10,11の一端側22に形成され他の部分26より高い段部25と、を備え、前記段部25が前記隙間8,9内に挿入されることにより、前記段付可動摩擦板10,11の位置決めが行われ、かつ、前記段付可動摩擦板10,11の回動角度範囲は有限角である構成であり、また、前記固定摩擦板2,6,7は、3枚よりなり、前記段付可動摩擦板10,11は2枚よりなり、前記固定摩擦板2,6,7と段付可動摩擦板10,11により形成される摩擦面21は4面である構成であり、また、前記固定摩擦板2,6,7はアルミ青銅からなり、前記段付可動摩擦板10,11はステンレスからなる構成である。
The gist of the detent mechanism according to the present invention is as follows.
That is, a fixed friction portion 1A fixed to the main body 1, a plurality of fixed friction plates 2, 6, and 7 provided in the fixed friction portion 1A and arranged in parallel with gaps 8 and 9 therebetween, and the fixed friction portions. Screws 12, 13 and nuts 14, 15 for clamping the plates 2, 6, 7 through the collars 4, 5, and the gaps 8, 9 between the fixed friction plates 2, 6, 7 are rotatable. The stepped movable friction plates 10 and 11 inserted, and the step portion 25 formed on one end side 22 of the stepped movable friction plates 10 and 11 and higher than the other portion 26, the step portion 25 being the above-mentioned The stepped movable friction plates 10 and 11 are positioned by being inserted into the gaps 8 and 9, and the rotation angle range of the stepped movable friction plates 10 and 11 is a finite angle. Further, the fixed friction plates 2, 6 and 7 are composed of three pieces, and the stepped movable friction plate 1 , 11 is composed of two pieces, and the friction surfaces 21 formed by the fixed friction plates 2, 6, 7 and the stepped movable friction plates 10, 11 are four, and the fixed friction plates 2, 6 and 7 are made of aluminum bronze, and the stepped movable friction plates 10 and 11 are made of stainless steel.

本発明によるディテント機構は、固定摩擦板に対して段付可動摩擦板を摩擦摺動させ、段部を介して段付可動摩擦板の位置決めを行う構成であるため、全体構成が小型で薄型であり、航空機等に搭載する場合に好適である。   The detent mechanism according to the present invention has a configuration in which the stepped movable friction plate is frictionally slid with respect to the fixed friction plate and the stepped movable friction plate is positioned via the stepped portion, so that the overall configuration is small and thin. Yes, it is suitable for mounting on an aircraft or the like.

1 本体
1A 固定摩擦部
1a 下面
2 第1固定摩擦板
4,5 カラー
6,7 固定摩擦板
8,9 隙間
10,11 段付可動摩擦板
12,13 ねじ
14,15 ナット
20 皿ばね
21 摩擦面
22 一端面
23 外側部
24 内側部
25 段部
26 他の部分
30 レバー
DESCRIPTION OF SYMBOLS 1 Main body 1A Fixed friction part 1a Lower surface 2 First fixed friction plate 4,5 Collar 6,7 Fixed friction plate 8,9 Gap 10,11 Stepped movable friction plate 12,13 Screw 14,15 Nut 20 Disc spring 21 Friction surface 22 One end face 23 Outer part 24 Inner part 25 Step part 26 Other parts 30 Lever

Claims (3)

本体(1)に固定された固定摩擦部(1A)と、前記固定摩擦部(1A)に設けられ互いに隙間(8,9)をあけて並列配置された複数の固定摩擦板(2,6,7)と、前記各固定摩擦板(2,6,7)をカラー(4,5)を介して挟持するためのねじ(12,13)及びナット(14,15)と、前記固定摩擦板(2,6,7)の前記隙間(8,9)内に回動自在に介挿された段付可動摩擦板(10,11)と、前記段付可動摩擦板(10,11)の一端側(22)に形成され他の部分(26)より高い段部(25)と、を備え、
前記段部(25)が前記隙間(8,9)内に挿入されることにより、前記段付可動摩擦板(10,11)の位置決めが行われ、かつ、前記段付可動摩擦板(10,11)の回動角度範囲は有限角であることを特徴とするディテント機構。
A fixed friction portion (1A) fixed to the main body (1), and a plurality of fixed friction plates (2, 6, and 2) provided in the fixed friction portion (1A) and arranged in parallel with a gap (8, 9) therebetween. 7), screws (12, 13) and nuts (14, 15) for clamping each of the fixed friction plates (2, 6, 7) via the collar (4, 5), and the fixed friction plates ( 2, 6, 7) stepped movable friction plates (10, 11) rotatably inserted in the gaps (8, 9), and one end side of the stepped movable friction plates (10, 11) (22) formed with a step (25) higher than the other part (26),
The stepped portion (25) is inserted into the gap (8, 9), thereby positioning the stepped movable friction plate (10, 11) and the stepped movable friction plate (10, A detent mechanism characterized in that the rotation angle range of 11) is a finite angle.
前記固定摩擦板(2,6,7)は、3枚よりなり、前記段付可動摩擦板(10,11)は2枚よりなり、前記固定摩擦板(2,6,7)と段付可動摩擦板(10,11)により形成される摩擦面(21)は4面であることを特徴とする請求項1記載のディテント機構。   The fixed friction plates (2, 6, 7) consist of three pieces, and the stepped movable friction plates (10, 11) consist of two pieces and can be stepped with the fixed friction plates (2, 6, 7). 2. A detent mechanism according to claim 1, wherein the friction surfaces (21) formed by the dynamic friction plates (10, 11) are four surfaces. 前記固定摩擦板(2,6,7)はアルミ青銅からなり、前記段付可動摩擦板(10,11)はステンレスからなることを特徴とする請求項1又は2記載のディテント機構。   The detent mechanism according to claim 1 or 2, wherein the fixed friction plates (2, 6, 7) are made of aluminum bronze, and the stepped movable friction plates (10, 11) are made of stainless steel.
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JPH0725270A (en) * 1993-07-12 1995-01-27 Iseki & Co Ltd Shift control device for traveling transmission gear
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Publication number Priority date Publication date Assignee Title
JP2019197330A (en) * 2018-05-08 2019-11-14 多摩川精機株式会社 Lever type detent mechanism

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