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JP4060487B2 - Plunger type solenoid device - Google Patents
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JP4060487B2 - Plunger type solenoid device - Google Patents

Plunger type solenoid device Download PDF

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Publication number
JP4060487B2
JP4060487B2 JP10681799A JP10681799A JP4060487B2 JP 4060487 B2 JP4060487 B2 JP 4060487B2 JP 10681799 A JP10681799 A JP 10681799A JP 10681799 A JP10681799 A JP 10681799A JP 4060487 B2 JP4060487 B2 JP 4060487B2
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Japan
Prior art keywords
plunger
solenoid device
film
type solenoid
groove
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JP10681799A
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Japanese (ja)
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JP2000299219A (en
Inventor
賢司 平谷
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Ricoh Co Ltd
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Ricoh Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、ソレノイドの磁気力による吸引作用により装置本体に対して出入可能に設けられたプランジャを有する構造のプランジャ型ソレノイド装置に関する。
【0002】
【従来の技術】
プランジャ型ソレノイド装置は、ソレノイドコイルに電流を流し、その起磁力によりプランジャを吸引する構成のものである。その特性は、通常、用途に応じて設定されて使用されているが、ある質量を持って静止しているプランジャを吸引する動作上、プランジャが動き始める前(ある程度の加速度を得る前)の吸引特性は、立ち上がり途中にあってソレノイドがもつ最大値には至っていない。
【0003】
立ち上がり途中に最大負荷が加わってしまう機構部分において、前記のような吸引力特性を有するプランジャ型ソレノイド装置を使用することは、そのソレノイド装置の特性を十分使用しているとはいえない。
【0004】
そこで、従来より、比較的大型のプランジャ型ソレノイド装置を使用する場合には、プランジャがある程度の質量を持っているため、プランジャの自重に関する考慮がなされており、吸引時の慣性力の問題、衝突による異音の発生の問題に対応するため、あるいは立ち上がり途中に最大負荷が加わらないようにするために、構造上わずかな遊びを設けたり、スプリング,スポンジを介在する等の考慮がなされている。
【0005】
【発明が解決しようとする課題】
しかしながら、比較的小型のプランジャ型ソレノイド装置を用いる場合には、前記のような考慮は、ほとんどなされていないのが現状である。その理由としては、プランジャの質量が小さいため注目されていなかったこと、装置全体のコストが安価であるため、大型のプランジャ型ソレノイド装置を使用する場合と同様の対応を行うことは、かなりのコストアップの原因になること、使用される対象も小型であって、必要な吸引力が小さいか、十分に吸引力マージンがあること等が考えられる。
【0006】
そこで本発明は、前記従来の技術に鑑み、比較的小型な構造であっても、コストがかからずに、吸引力特性を最大限に引き出し、安定した動作が行われるようにしたプランジャ型ソレノイド装置を提供することを目的とする。
【0007】
【課題を解決するための手段】
前記目的を達成するため、本発明は、ソレノイドの作用によってソレノイド装置本体に対して出入可能に設けられたプランジャを有し、このプランジャの先端部分に設けられた凹溝に被吸引部材の一部を移動可能に係止し、前記凹溝における前記被吸引部材の当接部と前記被吸引部材間に、バネ性を有するフィルム状部材を介在させた構成のプランジャ型ソレノイド装置であって、前記フィルム状部材が、側面視V字状をなし、かつ略対称形状である相対向する面にそれぞれ前記凹溝の径よりも径の大きい通孔が設けられ、さらに前記両通孔間に前記凹溝へ取り付けるためのスリット部が設けられたものであり、この構成によって、フィルム状部材が、プランジャ動作時の衝撃音を防ぐ緩衝材となり、また吸引力のロスを抑制する作用をなすなど、従来の問題を解消し、ソレノイドが持つ性能を十分活用することができ、しかも、フィルム状部材のV形状を変え、仕様に合わせて曲げ部分位置,幅、あるいは曲げ角度を適宜設定することにより、被吸引部材との設置関係などを適正にすることができる。
【0010】
また本発明は、前記フィルム状部材をPET樹脂製シートから形成したものであり、この構成によって、フィルム状部材が適当な強度と摺動性を持ち、しかもフィルム状部材を安価に成型することができる。
【0011】
【発明の実施の形態】
以下、本発明の好適な実施形態について図面を参照しながら説明する。
【0012】
図1は本発明の実施形態を説明するためのプランジャ型ソレノイド装置を用いたクラッチ機構の構成図であり、1はプランジャ型ソレノイド装置、2はこのソレノイド装置1に内蔵されているソレノイドコイル(図示せず)の起磁力により吸引されるプランジャ、3はソレノイド装置1などが取り付けられる取付基板、4は取付基板3に支軸5により回動可能に設けられた被吸引部材である解除爪部材、6は、解除爪部材4の突出部4aと係合する係合部7aが設けられたカム体7と、このカム体7と同軸に設けられた押圧レバー8とを備え、かつ一部に欠歯部6aを有するクラッチギヤ、9は押圧レバー8,カム体7,クラッチギヤ6を支持する回転軸、10はクラッチギヤ6と噛合可能な駆動ギヤである。
【0013】
さらに11は、カム体7の係合部7aと、解除爪部材4の突出部4aとの係合状態を維持させる方向の付勢力を解除爪部材4に付与している付勢バネ、12は、押圧レバー8に弾接して、押圧レバー8およびカム体7を含むクラッチギヤ6を時計方向に回転するように付勢している押圧バネである。
【0014】
プランジャ2の先端部には凹溝15が設けられ、この凹溝15に解除爪部材4の側部に一体に設けられた係合爪部16が挿入されている。この係合爪部16の構成としては、図2(a)に示すように、プランジャ2の凹溝15部分における径よりも多少大きい幅の長孔17aを有する二股部17を有するもの、また図2(b)に示すように、プランジャ2の凹溝15部分が挿入される横孔18aと、これに連続する縦孔18bとからなるC字状部18を有するもの、また図2(c)に示すように、プランジャ2の凹溝15部分が挿入されるT字状の通孔19aが形成された箱状体19を有するもの等が考えられる。
【0015】
また、プランジャ2の凹溝15における先端側の壁部15aと、解除爪部材4の係合爪部16内側面との間の凹溝15には、フィルム状部材からなるスライダ20が摺動可能に嵌挿されている。このスライダ20の構成としては、図3に示すように、対向面21a,21bが略対称形状である側面視V字状をなし、かつ相対向する面21a,21bにそれぞれプランジャ2の凹溝15における径よりも径の大きい通孔22と、両通孔22間に凹溝15へ取り付けるためにスライダ20に可撓性を持たせるためのスリット部23とが設けられたものを使用することできる。
【0016】
ソレノイド装置1は取付基板3に略平行に取り付けられ、またプランジャ2が水平あるいは上を向くように設けられている。プランジャ2の凹溝15にはスライダ20が、自体のバネ性によって壁部15aと解除爪部材4とにそれぞれ弾接するように設けられている。
【0017】
図1および図4(a)〜(c)を参照して前記構成の本実施形態の動作などを説明する。
【0018】
図4(a)の状態は、ソレノイド装置1がオフ状態であって、解除爪部材4の突出部4aとカム体7の係合部7aとが付勢バネ11および押圧バネ12の押圧力を受けて係合し、さらにクラッチギヤ6の欠歯部6a部分に駆動ギヤ10が位置しており、駆動ギヤ10からの駆動力が伝達されず、停止状態にある。
【0019】
ここでソレノイド装置1がオンになると、プランジャ2がソレノイド装置1側に吸引され、スライダ20を介して解除爪部材4の係合爪部16がソレノイド装置1側に引き寄せられ、解除爪部材4が付勢バネ11の付勢力に抗して支軸5を中心に反時計方向へ回動する。すると、図4(b)に示すように、解除爪部材4の突出部4aとカム体7の係合部7aとの係合が解除され、押圧バネ12の付勢力を押圧レバー8が受けてカム体7とクラッチギヤ6が時計方向に回転する。このため、クラッチギヤ6の欠歯部6aが移動して、クラッチギヤ6と駆動ギヤ10とが噛合し、駆動ギヤ10の駆動力がクラッチギヤ6に伝達されることになる。
【0020】
駆動ギヤ10の駆動力を受けてクラッチギヤ6が回転することによって、カム体7も回転するため、1回転後には、図4(c)に示すように、クラッチギヤ6の欠歯部6a部分が駆動ギヤ10の対向位置に達して駆動力の伝達が遮断される。駆動力の遮断状態になっても、押圧バネ12の付勢力を押圧レバー8が受け、カム体7とクラッチギヤ6が時計方向に回転するため、再び、解除爪部材4の突出部4aとカム体7の係合部7aとが係合し、図4(a)に示す停止状態になる。
【0021】
このように前記構成のクラッチ機構では、ソレノイド装置1によってクラッチギヤ6が回転と停止を間欠的に繰り返して行われる。
【0022】
前記クラッチ機構において、ソレノイド装置1と解除爪部材4とにおける取付上の規制、あるいは取付精度、または各種抵抗による所定の待機位置への戻り不良などが原因して、プランジャ2の吸引力にロス(解除爪部材4の動作軌跡とソレノイド装置1の吸引方向の誤差)が生じることがある。例えば前記構成において、図5(a)に示すように、バネ性を持たない平板30を介在させた場合には、プランジャ2と解除爪部材4との隙間(プランジャ2の凹溝15における壁部15aと、解除爪部材4の係合爪部16内壁との間の隙間)Aに、図5(a)に示すように所定の距離が確保される場合のほか、時として図5(b)に示すように、平板30が隙間なく介在して実質的に隙間Aがゼロになる場合が生じるときがある。この図5(b)に示す状態では、ソレノイド装置1の吸引立ち上がり時に即座に最大負荷が加わってしまうことになり、したがって、適正な動作が行われないおそれがある。この場合には、ソレノイド装置1の特性を十分に利用することができず、また吸引力,作動力が不安定になることから、動作時に衝突状態を生じて異音などを発生させてしまうなどの不具合を発生する。
【0023】
そこで、本実施形態では、図6にも示すように、プランジャ2の凹溝15にバネ性を有するV字状のスライダ20を介在させ、スライダ20が凹溝15における先端側の壁部15aと解除爪部材4の係合爪部16とにそれぞれ弾接するように設け、ソレノイド装置1の吸引動作ごとのプランジャ2と解除爪部材4との隙間(プランジャ2の凹溝15における壁部15aと、解除爪部材4の係合爪部16内壁との間の隙間)Aが一定に確保されるようにし、プランジャ2などにおける当初の設定を維持して安定して摺動するようにしている。
【0024】
本実施形態の効果を確認するため試験を行った。
【0025】
すなわち、同一構成のプランジャ型ソレノイド装置に、異なるスライダ(図5に示す平板状のもの30と、図6に示す本実施形態のV字状のもの20)を採用し、さらに解除爪部材4として異なる材質のもの(材質1,材質2)を採用したときの動作状態をみた。具体的には、ソレノイド装置の吸引時における電流波形による吸引時間を測定した。
【0026】
・試験モード
▲1▼ 戻しスプリング(図1に示す付勢バネ11)の負荷のみの場合:待機位置から解除爪部材4を戻しスプリングのみの負荷により吸引したときの吸引時間、
▲2▼ 通常動作時:通常動作時の吸引時間、
▲3▼ 最大負荷時:図5(b)に示すような隙間Aがゼロの場合の吸引時間、
を測定した。
【0027】
・具体的方法としては、
(1) 図1における解除爪部材4の突出部4aとカム体7の係合部7aとの係合部分に最大負荷を加え、
(2) 前記隙間Aを最小にしてからプランジャを吸引したときの時間を測定する。
【0028】
【表1】

Figure 0004060487
【0029】
その結果を(表1)にまとめた。(表1)に示すように、平板状スライダを用いた場合よりも、V字状スライダを用いた場合の方が、通常動作時▲2▼と最大負荷時▲3▼の差の開きが小さく、よって、前記のような作用効果を実証することができた。
【0030】
このように、本実施形態におけるスライダは、プランジャ型ソレノイド装置における吸引力マージンを向上させるための対策の1つとして有効である。
【0031】
本実施形態におけるスライダの構成として、図3に示すような側面視V字状のスライダ20では、設置される構造の仕様に合わせて曲げ部分位置,幅、あるいは曲げ角度を変更することが容易であるため、これらを適宜変更,設定することによって、解除爪部材4などの被吸引部材との設置関係を適正にすることができる。
【0032】
なお、スライダの材料として、PET樹脂製シートから形成したフィルム体を用いれば、スライダが適当な強度と摺動性を持ち、しかもスライダを安価に成型することができる。
【0033】
【発明の効果】
以上説明したように、本発明によれば、プランジャにおける被吸引部材の当接部と被吸引部材間に、バネ性を有するフィルム状部材を介在させたことにより、フィルム状部材が、プランジャ動作時の衝撃を防ぐ緩衝材となり、また吸引力のロスを抑制する作用をなすなど、従来の問題を解消し、ソレノイドが持つ性能を十分活用することができ、しかも、フィルム状部材を略側面視V字状とすることによって、フィルム状部材のV形状を変え、設置される構造の仕様に合わせて曲げ部分位置,幅、あるいは曲げ角度を適宜設定することにより、被吸引部材との設置関係などを適正にすることができる。
【0036】
また前記フィルム状部材をPET樹脂製シートから形成することによって、フィルム状部材が適当な強度と摺動性を持ち、しかもフィルム状部材を安価に成型することができる。
【図面の簡単な説明】
【図1】本発明の実施形態を説明するためのプランジャ型ソレノイド装置を用いたクラッチ機構の構成図
【図2】本実施形態に使用可能な解除爪部材の係合爪部の例を示す斜視図
【図3】本実施形態に使用可能なスライダの例を示す斜視図
【図4】図1のクラッチ機構における要部の説明図
【図5】従来のプランジャ型ソレノイド装置における問題点の説明図
【図6】本実施形態における要部の説明図
【符号の説明】
1 プランジャ型ソレノイド装置
2 プランジャ
4 解除爪部材
4a 突出部
6 クラッチギヤ
6a 欠歯部
7 カム体
7a 係合部
8 押圧レバー
10 駆動ギヤ
11 付勢バネ
12 押圧バネ
15 凹溝
20 スライダ[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a plunger-type solenoid device having a structure having a plunger that can be moved in and out of the apparatus main body by a suction action by a magnetic force of a solenoid.
[0002]
[Prior art]
The plunger type solenoid device has a configuration in which a current is passed through a solenoid coil and the plunger is attracted by its magnetomotive force. Its characteristics are usually set and used according to the application, but due to the action of sucking a stationary plunger with a certain mass, suction before the plunger starts to move (before obtaining some acceleration) The characteristic does not reach the maximum value that the solenoid has during the rise.
[0003]
The use of the plunger type solenoid device having the above-described attractive force characteristics in the mechanism portion where the maximum load is applied during the start-up does not sufficiently use the characteristics of the solenoid device.
[0004]
Therefore, conventionally, when using a relatively large plunger type solenoid device, since the plunger has a certain amount of mass, consideration has been given to the weight of the plunger. In order to cope with the problem of abnormal noise caused by the above, or in order to prevent the maximum load from being applied during the rise, consideration is given to providing a slight play in the structure, interposing a spring and a sponge, and the like.
[0005]
[Problems to be solved by the invention]
However, when a relatively small plunger-type solenoid device is used, the above-mentioned consideration has hardly been made at present. The reason for this is that the mass of the plunger was small, so it was not noticed, and the overall cost of the device was low, so it was quite costly to do the same as when using a large plunger type solenoid device. It can be considered that the object to be used is small, the object to be used is small, and the necessary suction force is small or there is a sufficient suction force margin.
[0006]
Therefore, in view of the above-described conventional technology, the present invention is a plunger-type solenoid that draws out the attractive force characteristics to the maximum and performs stable operation without cost, even with a relatively small structure. An object is to provide an apparatus.
[0007]
[Means for Solving the Problems]
To achieve the above object, the present invention has a plunger provided to be in and out with respect to the solenoid device body by the action of the solenoid, a part of the suction member into the groove provided on the tip portion of the plunger the movable and engagement, the contact part of the object to be sucked member in said groove between the suction member, a plunger-type solenoid device having a structure obtained by interposing a film-like member having a spring property, wherein The film-like member has a V-shape in a side view and is provided with through-holes each having a diameter larger than the diameter of the concave grooves on opposing surfaces that are substantially symmetrical, and the concave portions are further interposed between the two through-holes. are those slit portion for attachment to the grooved, this configuration, the film-like member becomes a cushioning material to prevent impact sound of plunger operation, also an action of suppressing the loss of suction force Etc., to solve the conventional problems, the performance possessed by the solenoid can be fully utilized, moreover, changing the V shape of the film member, set together bent portion located in the specification, the width, or bend angle appropriate that Accordingly, Ru can be proper and installing relationship between the suction member.
[0010]
In the present invention, the film-like member is formed from a PET resin sheet. With this configuration, the film-like member has appropriate strength and slidability, and the film-like member can be molded at low cost. it can.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Preferred embodiments of the present invention will be described below with reference to the drawings.
[0012]
FIG. 1 is a configuration diagram of a clutch mechanism using a plunger-type solenoid device for explaining an embodiment of the present invention. 1 is a plunger-type solenoid device, and 2 is a solenoid coil (see FIG. A plunger that is attracted by a magnetomotive force (not shown), 3 is a mounting substrate to which the solenoid device 1 or the like is attached, 4 is a release claw member that is a member to be attracted provided on the mounting substrate 3 by a support shaft 5, 6 includes a cam body 7 provided with an engaging portion 7a that engages with the protruding portion 4a of the release claw member 4, and a pressing lever 8 provided coaxially with the cam body 7, and is partially missing. A clutch gear having a tooth portion 6a, 9 is a pressing lever 8, a cam body 7, a rotating shaft that supports the clutch gear 6, and 10 is a drive gear that can mesh with the clutch gear 6.
[0013]
Further, 11 is an urging spring that applies an urging force to the release claw member 4 in a direction to maintain the engagement state between the engagement portion 7a of the cam body 7 and the protruding portion 4a of the release claw member 4. A pressing spring that is elastically contacted with the pressing lever 8 and urges the clutch gear 6 including the pressing lever 8 and the cam body 7 to rotate clockwise.
[0014]
A concave groove 15 is provided at the distal end portion of the plunger 2, and an engaging claw portion 16 provided integrally with a side portion of the release claw member 4 is inserted into the concave groove 15. As shown in FIG. 2 (a), the engagement claw portion 16 has a bifurcated portion 17 having a long hole 17a having a width slightly larger than the diameter of the concave groove 15 portion of the plunger 2. As shown in FIG. 2 (b), one having a C-shaped portion 18 comprising a horizontal hole 18a into which the concave groove 15 portion of the plunger 2 is inserted and a vertical hole 18b continuous therewith, and FIG. 2 (c) As shown in FIG. 4, there may be considered one having a box-like body 19 formed with a T-shaped through hole 19a into which the concave groove 15 portion of the plunger 2 is inserted.
[0015]
A slider 20 made of a film-like member is slidable in the groove 15 between the wall 15a on the distal end side of the groove 15 of the plunger 2 and the inner surface of the engagement claw 16 of the release claw member 4. Is inserted. As shown in FIG. 3, the slider 20 has a V-shape as viewed from the side, in which the opposing surfaces 21a and 21b are substantially symmetrical, and the concave grooves 15 of the plunger 2 on the opposing surfaces 21a and 21b. It is possible to use one provided with a through hole 22 having a diameter larger than the diameter of the hole and a slit portion 23 for making the slider 20 flexible so as to be attached to the concave groove 15 between the two through holes 22. it can.
[0016]
The solenoid device 1 is attached to the attachment substrate 3 substantially in parallel, and the plunger 2 is provided so as to face horizontally or upward. A slider 20 is provided in the concave groove 15 of the plunger 2 so as to elastically contact the wall portion 15a and the release claw member 4 by its own spring property.
[0017]
With reference to FIG. 1 and FIGS. 4A to 4C, the operation of the present embodiment having the above-described configuration will be described.
[0018]
4A shows a state in which the solenoid device 1 is in an off state, and the protruding portion 4a of the release claw member 4 and the engaging portion 7a of the cam body 7 reduce the pressing force of the urging spring 11 and the pressing spring 12. The driving gear 10 is positioned at the part of the toothless portion 6a of the clutch gear 6, and the driving force from the driving gear 10 is not transmitted and is in a stopped state.
[0019]
When the solenoid device 1 is turned on, the plunger 2 is attracted to the solenoid device 1 side, the engaging claw portion 16 of the release claw member 4 is drawn toward the solenoid device 1 side via the slider 20, and the release claw member 4 is It rotates counterclockwise about the support shaft 5 against the urging force of the urging spring 11. Then, as shown in FIG. 4B, the engagement between the protruding portion 4 a of the release claw member 4 and the engaging portion 7 a of the cam body 7 is released, and the pressing lever 8 receives the urging force of the pressing spring 12. The cam body 7 and the clutch gear 6 rotate in the clockwise direction. For this reason, the toothless portion 6 a of the clutch gear 6 moves, the clutch gear 6 and the drive gear 10 mesh, and the driving force of the drive gear 10 is transmitted to the clutch gear 6.
[0020]
When the clutch gear 6 is rotated by receiving the driving force of the drive gear 10, the cam body 7 is also rotated. Therefore, after one rotation, as shown in FIG. Reaches the opposite position of the driving gear 10 and the transmission of the driving force is interrupted. Even when the driving force is cut off, the pressing lever 8 receives the urging force of the pressing spring 12, and the cam body 7 and the clutch gear 6 rotate in the clockwise direction. Therefore, the protrusion 4a of the release claw member 4 and the cam again. The engaging portion 7a of the body 7 is engaged, and the stop state shown in FIG.
[0021]
Thus, in the clutch mechanism having the above-described configuration, the clutch gear 6 is rotated and stopped intermittently by the solenoid device 1.
[0022]
In the clutch mechanism, the suction force of the plunger 2 is lost due to the restriction on the attachment of the solenoid device 1 and the release claw member 4, the attachment accuracy, or the return failure to the predetermined standby position due to various resistances. An error between the movement trajectory of the release claw member 4 and the suction direction of the solenoid device 1 may occur. For example, in the above configuration, when a flat plate 30 having no spring property is interposed as shown in FIG. 5A, the gap between the plunger 2 and the release claw member 4 (the wall portion in the concave groove 15 of the plunger 2). 15a and a clearance between the engagement claw portion 16 inner wall of the release claw member 4) A and a predetermined distance as shown in FIG. In some cases, the flat plate 30 is interposed without a gap and the gap A becomes substantially zero. In the state shown in FIG. 5 (b), the maximum load is immediately applied when the solenoid device 1 is sucked up, and therefore there is a possibility that an appropriate operation is not performed. In this case, the characteristics of the solenoid device 1 cannot be fully utilized, and since the attractive force and the operating force become unstable, a collision state occurs during the operation and an abnormal noise is generated. This causes a bug.
[0023]
Therefore, in the present embodiment, as shown in FIG. 6, a spring-like V-shaped slider 20 is interposed in the concave groove 15 of the plunger 2, and the slider 20 has a wall portion 15 a on the front end side in the concave groove 15. It is provided so as to be elastically contacted with the engaging claw portion 16 of the release claw member 4, and the clearance between the plunger 2 and the release claw member 4 for each suction operation of the solenoid device 1 (the wall portion 15a in the concave groove 15 of the plunger 2; A clearance (A) between the inner wall of the engaging claw portion 16 of the release claw member 4) is ensured to be constant, and the initial setting of the plunger 2 or the like is maintained, and the sliding is stably performed.
[0024]
A test was conducted to confirm the effect of this embodiment.
[0025]
That is, different sliders (the flat plate-shaped member 30 shown in FIG. 5 and the V-shaped member 20 of the present embodiment shown in FIG. 6) are adopted for the plunger type solenoid device having the same configuration, and the release claw member 4 is further used. The operating conditions when different materials (material 1, material 2) were used were observed. Specifically, the suction time by the current waveform at the time of suction of the solenoid device was measured.
[0026]
Test mode (1) In the case of only the load of the return spring (the biasing spring 11 shown in FIG. 1): the suction time when the release claw member 4 is sucked from the standby position by the load of only the return spring,
(2) Normal operation: Suction time during normal operation
(3) At maximum load: suction time when gap A is zero as shown in FIG.
Was measured.
[0027]
・ As a specific method,
(1) A maximum load is applied to the engaging portion between the protruding portion 4a of the release claw member 4 and the engaging portion 7a of the cam body 7 in FIG.
(2) Measure the time when the plunger is sucked after the gap A is minimized.
[0028]
[Table 1]
Figure 0004060487
[0029]
The results are summarized in (Table 1). As shown in Table 1, the difference between the normal operation (2) and the maximum load (3) is smaller when the V-shaped slider is used than when the flat slider is used. Therefore, it was possible to demonstrate the effects as described above.
[0030]
Thus, the slider in this embodiment is effective as one of the measures for improving the attractive force margin in the plunger type solenoid device.
[0031]
As construction of the slider in the present embodiment, in side view a V-shaped slider 2 0 as shown in FIG. 3, the combined bending portion located on the specifications of the installed the structure, to change the width or bend angle, Since it is easy, the installation relationship with the sucked member such as the release claw member 4 can be made appropriate by appropriately changing and setting these.
[0032]
In addition, if the film body formed from the sheet | seat made from PET resin is used as a material of a slider, a slider has appropriate intensity | strength and slidability, and also a slider can be shape | molded cheaply.
[0033]
【The invention's effect】
As described above, according to the present invention, a film-like member having a spring property is interposed between the contact portion of the sucked member in the plunger and the sucked member, so that the film-like member is in operation during the plunger operation. of preventing shock becomes cushioning material, also such an action to suppress the loss of suction force to overcome the conventional problems, the performance possessed by the solenoid can be fully utilized, moreover, the film-like member substantially side view V By changing the V shape of the film-like member by setting it in the shape of a letter and setting the bending part position, width, or bending angle appropriately according to the specifications of the structure to be installed, the installation relationship with the sucked member etc. Ru can be appropriate.
[0036]
Moreover, by forming the film-like member from a sheet made of PET resin, the film-like member has appropriate strength and slidability, and the film-like member can be molded at a low cost.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of a clutch mechanism using a plunger type solenoid device for explaining an embodiment of the present invention. FIG. 2 is a perspective view showing an example of an engaging claw portion of a release claw member usable in the present embodiment. FIG. 3 is a perspective view showing an example of a slider that can be used in the present embodiment. FIG. 4 is an explanatory diagram of a main part of the clutch mechanism of FIG. 1. FIG. 5 is an explanatory diagram of problems in a conventional plunger type solenoid device. FIG. 6 is an explanatory diagram of the main part in this embodiment.
DESCRIPTION OF SYMBOLS 1 Plunger type solenoid apparatus 2 Plunger 4 Release claw member 4a Projection part 6 Clutch gear 6a Tooth part 7 Cam body 7a Engagement part 8 Press lever 10 Drive gear 11 Energizing spring 12 Press spring 15 Groove 20 Slider

Claims (2)

ソレノイドの作用によってソレノイド装置本体に対して出入可能に設けられたプランジャを有し、このプランジャの先端部分に設けられた凹溝に被吸引部材の一部を移動可能に係止し、前記凹溝における前記被吸引部材の当接部と前記被吸引部材間に、バネ性を有するフィルム状部材を介在させた構成のプランジャ型ソレノイド装置であって、前記フィルム状部材が、側面視V字状をなし、かつ略対称形状である相対向する面にそれぞれ前記凹溝の径よりも径の大きい通孔が設けられ、さらに前記両通孔間に前記凹溝へ取り付けるためのスリット部が設けられたものであることを特徴とするプランジャ型ソレノイド装置。A plunger provided to be in and out with respect to the solenoid device body by the action of the solenoid, and locking the movable portion of the suction member into the groove provided on the tip portion of the plunger, said groove A plunger-type solenoid device having a spring-like film-like member interposed between the abutting portion of the sucked member and the sucked member , wherein the film-like member has a V-shape in a side view. None, and through-holes each having a diameter larger than the diameter of the groove are provided on opposing surfaces that are substantially symmetrical, and a slit portion is provided between the two holes to be attached to the groove. Plunger-type solenoid device characterized by being a thing. 前記フィルム状部材をPET樹脂製シートから形成したことを特徴とする請求項1記載のプランジャ型ソレノイド装置。The plunger-type solenoid device according to claim 1, wherein the film-like member is formed of a PET resin sheet .
JP10681799A 1999-04-14 1999-04-14 Plunger type solenoid device Expired - Fee Related JP4060487B2 (en)

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Application Number Priority Date Filing Date Title
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