JP3039176B2 - Three-stage switching seesaw switch and three-stage switching seesaw switch device using the same - Google Patents

Three-stage switching seesaw switch and three-stage switching seesaw switch device using the same

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Publication number
JP3039176B2
JP3039176B2 JP5005554A JP555493A JP3039176B2 JP 3039176 B2 JP3039176 B2 JP 3039176B2 JP 5005554 A JP5005554 A JP 5005554A JP 555493 A JP555493 A JP 555493A JP 3039176 B2 JP3039176 B2 JP 3039176B2
Authority
JP
Japan
Prior art keywords
switch
bowl
stage
seesaw switch
operation key
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.)
Expired - Fee Related
Application number
JP5005554A
Other languages
Japanese (ja)
Other versions
JPH06215665A (en
Inventor
博 松井
英樹 重本
保 山本
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP5005554A priority Critical patent/JP3039176B2/en
Publication of JPH06215665A publication Critical patent/JPH06215665A/en
Application granted granted Critical
Publication of JP3039176B2 publication Critical patent/JP3039176B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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、主にビデオカメラのズ
ーム速度調整用等に使用される三段切換シーソースイッ
チおよびこれを用いた三段切換シーソースイッチ装置に
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-stage seesaw switch mainly used for adjusting a zoom speed of a video camera, and a three-stage seesaw switch device using the same.

【0002】[0002]

【従来の技術】多段切換シーソースイッチの構成として
は、揺動可能な操作キー下面に二個の揺動部材を装着
し、この揺動部材の各々が二組のスイッチ接点を開閉す
る図8に示される二段切換シーソースイッチが一般的に
知られている。
2. Description of the Related Art FIG. 8 shows a structure of a multi-stage changeover seesaw switch in which two rocking members are mounted on the lower surface of a rockable operation key, and each of the rocking members opens and closes two sets of switch contacts. The two-stage see-saw switch shown is generally known.

【0003】それは、基板1と一体に設けられた基台2
に、ボス3を中心にして揺動可能に取付けられた操作キ
ー4の両端下面に軸支持部5a,5bが設けられ、この
軸支持部5a,5bに逆T字形の揺動部材6a,6b
が、軸7a,7bを中心に揺動可能に取付けられてい
る。
A base 2 provided integrally with a substrate 1
In addition, shaft support portions 5a and 5b are provided on the lower surfaces of both ends of the operation key 4 which is swingably mounted on the boss 3 as a center. The shaft support portions 5a and 5b are provided with inverted T-shaped swing members 6a and 6b.
Are mounted to be swingable about the shafts 7a and 7b.

【0004】そして、揺動部材6a,6bの左右両端下
面には、ゴム板9から膨出形成された椀状弾性体8a〜
8dが各々当該して設けられ、椀状弾性体8a,8dは
厚さが薄く、8b,8cは厚く構成されている。
[0006] On the lower surfaces of the left and right ends of the oscillating members 6a and 6b, bowl-shaped elastic bodies 8a to 8b bulging from a rubber plate 9 are formed.
8d are provided respectively, the bowl-shaped elastic bodies 8a and 8d are configured to be thin, and the bowl-shaped elastic bodies 8b and 8c are configured to be thick.

【0005】また、総ての椀状弾性体8a〜8dの中央
部は肉厚の円板部10a〜10dで、その下面には導電
性の可動接点11a〜11dが固着されており、この可
動接点11a〜11dの下方に対向する基板1上には、
各々一対の固定接点12a〜12dが印刷形成されてい
る。
The center portions of all the bowl-shaped elastic members 8a to 8d are thick disk portions 10a to 10d, and conductive movable contacts 11a to 11d are fixed to the lower surfaces thereof. On the substrate 1 facing below the contacts 11a to 11d,
Each of the fixed contacts 12a to 12d is formed by printing.

【0006】次に、図9(a)〜(c)の模式図に従っ
てその動作を説明すると、図9(a)の状態から操作キ
ー4の右側上面を押すと、図9(b)に示すように、操
作キー4は軸3を中心に右方向へ回転して軸7aを下方
に押し下げ、これに伴って揺動部材6aが押し下げられ
て椀状弾性体8a,8bを下方へ押圧するが、まず薄膜
の椀状弾性体8aだけが凹状に窪んで変形し、可動接点
11aが下降して固定接点12a間を短絡する。
Next, the operation will be described with reference to the schematic diagrams of FIGS. 9A to 9C. When the upper right side of the operation key 4 is pressed from the state of FIG. 9A, the operation is shown in FIG. 9B. As described above, the operation key 4 rotates to the right around the shaft 3 to push down the shaft 7a, and accordingly, the swing member 6a is pushed down to push the bowl-shaped elastic bodies 8a, 8b downward. First, only the thin bowl-shaped elastic body 8a is concavely deformed and deformed, and the movable contact 11a is lowered to short-circuit the fixed contacts 12a.

【0007】更に操作キー4を強く押圧すると、厚膜の
椀状弾性体8bも図9(c)に示すように窪んで変形
し、固定接点12b間を短絡するものである。
When the operation key 4 is further pressed strongly, the thick-walled bowl-shaped elastic body 8b is also depressed and deformed as shown in FIG. 9C, and short-circuits between the fixed contacts 12b.

【0008】この後、操作キー4への押圧を除くと、椀
状弾性体8a,8bの弾性復元力により操作キー4は押
し返され、再び図9に示す状態となる。
Thereafter, when the pressing of the operation key 4 is removed, the operation key 4 is pushed back by the elastic restoring force of the bowl-shaped elastic bodies 8a and 8b, and returns to the state shown in FIG.

【0009】また、操作キー4の左側上面を押す場合
も、同様の動作となる。この二段切換シーソースイッチ
の構成を改良した三段切換シーソースイッチを図10に
示し説明すると、ボス13を中心にして揺動可能な操作
キー14下面に、軸15a,15bを中心にして揺動可
能に取付けられた一段目の逆T字形揺動部材16a,1
6b各々の内側の端部17a,17bの下面に、更に二
段目の逆T字形の揺動部材18a,18bを軸19a,
19bを中心にして揺動可能に取付け、各揺動部材16
a,18a,16b,18bの17a,17b以外の端
部である20a,20b,21a,21b,22a,2
2bの下面に当接して各々三個ずつの椀状弾性体23
a,23b,23cおよび23d,23e,23fを一
組として操作キー14の左右に配し、その中央円板部2
4a〜24fの下面に各々可動接点25a〜25fを固
着し、更に対向する基板26上に各々一対の固定接点2
7a〜27fを配することによって、三段切換シーソー
スイッチとすることができる。
The same operation is performed when the left upper surface of the operation key 4 is pressed. FIG. 10 shows a three-stage changeover seesaw switch in which the structure of the two-stage changeover seesaw switch is improved. The operation switch 14 can be swung about a boss 13 and pivoted about shafts 15a and 15b. First stage inverted T-shaped rocking member 16a, 1
6b, a second-stage inverted T-shaped swinging member 18a, 18b is further provided on the lower surface of the inner end portion 17a, 17b.
19b so as to be pivotable about
20a, 20b, 21a, 21b, 22a, 2 which are end portions other than 17a, 17b of a, 18a, 16b, 18b
Three bowl-shaped elastic bodies 23 each in contact with the lower surface of 2b
a, 23b, 23c and 23d, 23e, 23f are arranged as a set on the left and right sides of the operation key 14, and the central disc 2
The movable contacts 25a to 25f are respectively fixed to the lower surfaces of 4a to 24f, and a pair of fixed contacts
By arranging 7a to 27f, a three-stage seesaw switch can be obtained.

【0010】なお、各椀状弾性体23a,23b,23
cおよび23d,23e,23fに加わる押し力を一定
にするために、一段目のT字形揺動部材16aおよび1
6bの〔軸15a〜内側端部17a〕:〔軸15a〜外
側端部20a〕および〔軸15b〜内側端部17b〕:
〔軸15b〜外側端部20b〕の寸法比率は〔1:2〕
になるように設定されると共に、三個ずつ一組となった
椀状弾性体の膜厚は、外側の23aおよび23fが最も
薄く、内側の23cおよび23dが最も厚く設定され、
各三個の間の弾性力に差を設けている。
Incidentally, each of the bowl-shaped elastic bodies 23a, 23b, 23
c and 23d, 23e, 23f, the first-stage T-shaped rocking members 16a and 16
6b [shaft 15a to inner end 17a]: [shaft 15a to outer end 20a] and [shaft 15b to inner end 17b]:
The dimensional ratio of [the shaft 15b to the outer end 20b] is [1: 2].
And the thickness of the bowl-shaped elastic body formed as a set of three is set such that the outer 23a and 23f are the thinnest and the inner 23c and 23d are the thickest.
There is a difference in the elastic force between each three.

【0011】次に、この三段切換シーソースイッチの動
作について説明すると、図10の状態から、操作キー1
4の右側上面を押すことによって一段目の揺動部材16
aの外側端部20aが押し下げられて、まず図11aの
ように、最も薄膜の椀状弾性体23aが窪んで変形して
可動接点25aが第一の接点である固定接点27aを短
絡し、更に操作キー14を強く押すことによって、一段
目の揺動部材16aの内側の端部17aと共に二段目の
揺動部材も押し下げられ、図11(b)に示すように、
中間膜厚の椀状弾性体23bが変形して可動接点25b
が第二の接点である固定接点27bを短絡し、最後に、
図11(c)に示すように厚膜の椀状弾性体23cが変
形して、可動接点25cが第三の接点である固定接点2
7cを短絡することによって、三段のスイッチング操作
ができる。
Next, the operation of the three-stage seesaw switch will be described.
4 by pressing the upper surface on the right side.
11a, the outermost end 20a is pushed down, and as shown in FIG. 11a, the thinnest bowl-shaped elastic body 23a is depressed and deformed, and the movable contact 25a short-circuits the fixed contact 27a as the first contact. By strongly pressing the operation key 14, the second-stage rocking member is pushed down together with the inner end 17a of the first-stage rocking member 16a, as shown in FIG.
The bowl-shaped elastic body 23b having an intermediate film thickness is deformed to move the movable contact 25b.
Short-circuits the fixed contact 27b, which is the second contact, and finally,
As shown in FIG. 11C, the thick film bowl-shaped elastic body 23c is deformed, and the movable contact 25c is fixed to the fixed contact 2 serving as the third contact.
By short-circuiting 7c, a three-stage switching operation can be performed.

【0012】そして、操作キー14への押し力を除く
と、椀状弾性体23a〜23cの弾性復元力によって再
び図10の中立状態に復帰することは、図8の二段切換
シーソースイッチの場合と同様である。
When the pressing force on the operation key 14 is removed, the neutral state shown in FIG. 10 is restored again by the elastic restoring force of the bowl-shaped elastic bodies 23a to 23c. Is the same as

【0013】[0013]

【発明が解決しようとする課題】しかしながら、上記の
構成の三段切換シーソースイッチでは、構成部品として
四個の揺動部材16a,16b,18a,18bおよび
六個の椀状弾性体23a〜23fおよびその下面に設け
られた六個のスイッチ接点25a,27a〜25f,2
7fと多数の部品が必要であり、これらを組み立てる工
数がかかるためコスト高であると共に、一段目の揺動部
材16a,16bに二段目の揺動部材18a,18bを
重ねるためスイッチの高さが大きくなり、また六組の椀
状弾性体23a〜23fおよびスイッチ接点25a〜2
5f,26a〜26fを直線状に並べるため横方向に長
くなり、スイッチの小形化の面でも不利であった。
However, in the three-stage changeover seesaw switch having the above-mentioned structure, the four swing members 16a, 16b, 18a, 18b and the six bowl-shaped elastic members 23a to 23f and Six switch contacts 25a, 27a to 25f, 2 provided on the lower surface thereof
7f, a large number of parts are required, and the man-hours required to assemble these parts are high. Therefore, the cost is high. And six sets of bowl-shaped elastic bodies 23a to 23f and switch contacts 25a to 2
5f and 26a to 26f are arranged in a straight line, so that they become longer in the horizontal direction, which is disadvantageous in terms of downsizing of the switch.

【0014】本発明はこのような従来の課題を解決する
ものであり、構成部品が少なく、小形化の容易な三段切
換シーソースイッチおよびこれを用いた三段切換シーソ
ースイッチ装置を提供しようとするものである。
SUMMARY OF THE INVENTION The present invention has been made to solve such a conventional problem, and provides a three-stage switching seesaw switch having a small number of components and easily miniaturized, and a three-stage switching seesaw switch device using the same. Things.

【0015】[0015]

【課題を解決するための手段】本発明上記課題を解決す
るために、シーソースイッチの操作キー下面の二個の揺
動部材と中央の二組のスイッチ接点の間に一枚の上下動
が可能な駆動板を設けることによって、操作キーのシー
ソー方向により二組のスイッチ接点のスイッチング順序
を変え、各々の方向で二段切換動作を行わせて三段切換
シーソースイッチおよびこれを用いた三段切換シーソー
スイッチ装置を実現するものである。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a single sheet can be vertically moved between two swing members on the lower surface of an operation key of a seesaw switch and two sets of switch contacts at the center. By providing a simple drive plate, the switching order of the two sets of switch contacts is changed according to the direction of the operation key seesaw, the two-stage switching operation is performed in each direction, and the three-stage switching seesaw switch and the three-stage switching using the same This implements a seesaw switch device.

【0016】[0016]

【作用】したがって本発明によれば、駆動板によって二
組のスイッチ接点のスイッチング順序を変えて二段切換
動作を行うので構成部品点数が少ない三段切換シーソー
スイッチおよびこれを用いた三段切換シーソースイッチ
装置を提供できるものである。
Therefore, according to the present invention, the two-stage switching operation is performed by changing the switching order of the two sets of switch contacts by the driving plate, so that the three-stage switching seesaw switch having a small number of components and the three-stage switching seesaw using the same are provided. A switch device can be provided.

【0017】[0017]

【実施例】本発明の三段切換シーソースイッチの一実施
例を図1〜図6により説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the three-stage changeover seesaw switch of the present invention will be described with reference to FIGS.

【0018】同図において、21は成形樹脂から成る中
空の操作キーで、上面の左右対称位置に押圧操作部22
a,22bがあり、その下面の中心から左右等距離の二
点に軸支持孔23aおよび23bが設けられていると共
に、中央前後面の同心の支持孔24a,24bで揺動可
能に保持されている。
In FIG. 1, reference numeral 21 denotes a hollow operation key made of a molding resin.
The shaft support holes 23a and 23b are provided at two points equidistant from the center of the lower surface in the left and right directions, and are pivotally held by concentric support holes 24a and 24b in the front and rear surfaces of the center. I have.

【0019】そして、軸支持孔23aおよび23bに
は、二個の揺動部材25a,25bが各々の支軸26a
および26bを嵌合することにより揺動可能に取付けら
れている。
Two pivoting members 25a, 25b are provided in the shaft support holes 23a and 23b, respectively.
And 26b are swingably attached by fitting them.

【0020】27は成形樹脂から成る基体で、上面中央
前後の同心の支軸28a,28bが上記操作キー21の
支持孔24a,24bに嵌合して、操作キー21を揺動
可能に支持すると共に、基体27上面の中心から左右等
距離で、上記操作キー21の二ヶ所の軸支持孔23aお
よび23bよりも外方の二点およびその内側の二点に、
各々一対の固定接点29a,29bおよび30a,30
bが、従来例と同様に印刷形成されている。
Reference numeral 27 denotes a base made of molding resin. Concentric support shafts 28a and 28b around the center of the upper surface are fitted into support holes 24a and 24b of the operation key 21 to support the operation key 21 in a swingable manner. At the same time, two points outside the two shaft support holes 23a and 23b of the operation key 21 and two points inside thereof at the same distance from the center of the upper surface of the base 27,
A pair of fixed contacts 29a, 29b and 30a, 30 respectively
b is formed by printing in the same manner as in the conventional example.

【0021】そして、外側の二個と内側の二個が各々等
しい弾性力を有するように、ゴム板33から膨出形成さ
れた四個の椀状弾性体31a,31bおよび32a,3
2bが、上記の固定接点29a,29bおよび30a,
30bの各々に対向して配され、その中央円板部34
a,34bおよび35a,35bの下面に可動接点36
a,36bおよび37a,37bが各々配されているこ
とも従来例と同様である。
Four bowl-shaped elastic bodies 31a, 31b and 32a, 3 bulged from the rubber plate 33 so that the outer two pieces and the inner two pieces have the same elastic force.
2b are fixed contacts 29a, 29b and 30a,
30b, the central disk portion 34
a, 34b and movable contacts 36 on the lower surfaces of 35a, 35b.
a, 36b and 37a, 37b are arranged similarly to the conventional example.

【0022】また、上記二個の揺動部材25a,25b
は、その外側の下面突部38a,38bが外側の椀状弾
性体31a,31b各々の中央円板部34a,34bの
上面に接すると共に、内側の端部は各々内側の椀状弾性
体32a,32bよりも内側まで延ばされて、互いに一
定の間隔を保つように左右対称に配されており、その下
端面39a,39bは、揺動支軸26aおよび26bと
平行な直線状となっていて、平板状の駆動板40上面に
当接している。
The two rocking members 25a, 25b
The outer lower surface protruding portions 38a and 38b are in contact with the upper surfaces of the center disk portions 34a and 34b of the outer bowl-shaped elastic bodies 31a and 31b, respectively, and the inner end portions are respectively inner bowl-shaped elastic bodies 32a and 32b. It extends to the inner side than 32b and is arranged symmetrically so as to keep a certain distance from each other, and its lower end surfaces 39a and 39b are linearly parallel to the swing support shafts 26a and 26b. , Is in contact with the upper surface of the flat driving plate 40.

【0023】この平板状の駆動板40は、基体27に設
けられた二本のボス41a.41bによって上下動可能
に位置決めされ、上記二個の内側の椀状弾性体32a,
32bの中央円板部35a,35b上にその両端下部4
2a,42bが載せられており、上記揺動部材25a,
25bの内側下端面39a,39bはその上面中央寄り
に当接している。
The flat driving plate 40 has two bosses 41a. The two inner bowl-like elastic bodies 32a,
32b on both sides of the central disk portions 35a and 35b.
2a and 42b are placed on the rocking member 25a,
The inner lower end surfaces 39a and 39b of the 25b are in contact with the upper surface near the center.

【0024】次に、上記三段切換シーソースイッチの操
作キー21をシーソー操作する場合の動作を説明する。
Next, the operation of the seesaw operation of the operation key 21 of the three-stage seesaw switch will be described.

【0025】まず図1に示す中立状態において操作キー
21の右および左の軸支持孔23aおよび23bには、
二個の揺動部材25a,25bおよび駆動板40を介し
て、右側および左側から二個ずつの椀状弾性体31a,
32aおよび31b,32bが弾接しているので、操作
キー21はガタツキが生じず確実に中立状態を維持して
いる。
First, in the neutral state shown in FIG. 1, the right and left shaft support holes 23a and 23b of the operation key 21 are
Two bowl-shaped elastic bodies 31a, two from the right side and the left side via the two swing members 25a, 25b and the drive plate 40.
Since the keys 32a and 31b, 32b are in elastic contact, the operation key 21 is reliably maintained in a neutral state without rattling.

【0026】次に、操作キー21の右押圧操作部22a
を押すと、操作キー21は支軸28a,28bを中心と
して回転揺動し、図4に示すように、揺動部材25aを
介して椀状弾性体31aおよび駆動板40を下方に押し
下げようとする。
Next, a right pressing operation section 22a of the operation key 21
When the key is pressed, the operation key 21 rotates and swings around the support shafts 28a and 28b, and as shown in FIG. 4, attempts to push down the bowl-shaped elastic body 31a and the driving plate 40 via the swinging member 25a. I do.

【0027】ここで、図4に示すように、操作キー21
の軸支持孔23a(すなわち揺動部材25aの支軸26
a)と揺動部材25aの外側の下面突部38aとの間お
よび内側の下端面39aとの間の距離を (支軸26a〜外側下面突部38a)間=B (支軸26a〜内側下端面39a)間=C とし、軸支持孔23a(すなわち支軸26a)部による
押し下げ力をWとすると、揺動部材25aを介して椀状
弾性体31aに加わる力Faと駆動板40に対して加わ
る力Fbは次のように表わされる。
Here, as shown in FIG.
Shaft support hole 23a (that is, support shaft 26 of swing member 25a).
a) and the distance between the outer lower surface protruding portion 38a of the swinging member 25a and the inner lower end surface 39a are defined as: (support shaft 26a to outer lower surface protruding portion 38a) = B (support shaft 26a to inner lower surface) Assuming that the distance between the end surfaces 39a) = C and the pressing force by the shaft support hole 23a (that is, the support shaft 26a) is W, the force Fa applied to the bowl-shaped elastic body 31a via the swinging member 25a and the drive plate 40 The applied force Fb is expressed as follows.

【0028】[0028]

【数1】 (Equation 1)

【0029】[0029]

【数2】 (Equation 2)

【0030】すなわち、Fa,Fbの大きさの割合は、
支軸26aからの距離に反比例する。
That is, the ratio of the sizes of Fa and Fb is
It is inversely proportional to the distance from the support shaft 26a.

【0031】従って、B寸法に比べてC寸法を大きく設
定することにより、駆動板40が下方に動くよりも先
に、椀状弾性体31aが凹状に窪んで変形し、図4に示
すように、可動接点36aが下降して第一の接点である
固定接点29aを短絡することができる。
Therefore, by setting the dimension C larger than the dimension B, the bowl-shaped elastic body 31a is dented and deformed before the driving plate 40 moves downward, as shown in FIG. As a result, the movable contact 36a descends and the fixed contact 29a as the first contact can be short-circuited.

【0032】この時、揺動部材25aは支軸26aを中
心として回転し、内側の下端面39aは動かない。
At this time, the swing member 25a rotates about the support shaft 26a, and the inner lower end surface 39a does not move.

【0033】次に、駆動板40に加わる力Fbは二個の
椀状弾性体32a,32bに加わることになるが、図5
に示すように、揺動部材25bの内側の下端面39bと
内側の椀状弾性体32a(および揺動部材25aの内側
の下端面39aと内側の椀状弾性体32b)との間の距
離および二個の揺動部材25a,25bの内側の下端部
39a,39b相互間の距離を (内側下端面39a〜内側椀状弾性体32a)間 =(内側下端面39b〜内側椀状弾性体32b)間=D (内側下端面39a〜39b)間=E とすると、内側の二個の椀状弾性体32aおよび32b
に加わる各々の力FcおよびFdは
Next, the force Fb applied to the drive plate 40 is applied to the two bowl-shaped elastic bodies 32a and 32b.
As shown in FIG. 5, the distance between the lower end surface 39b inside the swing member 25b and the inner bowl-shaped elastic body 32a (and the lower end surface 39a inside the swing member 25a and the inner bowl-shaped elastic body 32b) and The distance between the inner lower ends 39a and 39b of the two rocking members 25a and 25b is set between (the inner lower surface 39a and the inner bowl-shaped elastic body 32a) = (the inner lower surface 39b and the inner bowl-shaped elastic body 32b). If the distance = D (the inner lower end surfaces 39a to 39b) = E, the two inner bowl-shaped elastic bodies 32a and 32b
The forces Fc and Fd applied to

【0034】[0034]

【数3】 (Equation 3)

【0035】[0035]

【数4】 (Equation 4)

【0036】となり、椀状弾性体32bよりも椀状弾性
体32aに対してより大きな力が加わる。
Thus, a greater force is applied to the bowl-shaped elastic body 32a than to the bowl-shaped elastic body 32b.

【0037】そして、椀状弾性体32aと32bは等し
い弾性力を有しているので、図4の状態から操作キー2
1の右押圧操作部22aに加える力を増して、駆動板4
0に加わる力が大きくなると、椀状弾性体32bよりも
先に椀状弾性体32aが凹状に窪んで変形し、図5に示
すように、可動接点37aが下降して第二の接点である
固定接点30aを短絡する。
Since the bowl-shaped elastic bodies 32a and 32b have the same elastic force, the operation key 2 is moved from the state shown in FIG.
1 increases the force applied to the right pressing operation part 22a,
When the force applied to zero increases, the bowl-shaped elastic body 32a is dented and deformed before the bowl-shaped elastic body 32b, and as shown in FIG. 5, the movable contact 37a descends to become the second contact. The fixed contact 30a is short-circuited.

【0038】この時、駆動板40は椀状弾性体32bの
中央円板部35b上面を中心として傾き、椀状弾性体3
1aは窪んだまま、すなわち、固定接点29aが短絡し
たままで動かない。
At this time, the driving plate 40 tilts around the upper surface of the central disk portion 35b of the bowl-shaped elastic body 32b,
1a remains depressed, that is, does not move while the fixed contact 29a is short-circuited.

【0039】この後、更に操作キー21の右押圧操作部
22aに加える力を増すと、図6に示すように、椀状弾
性体31aおよび32aは窪んだまま動かず、すなわ
ち、固定接点29aおよび30aが短絡したままで動か
ず、椀状弾性体32bに加わる力が増大して椀状弾性体
32bの弾性力を越えると、今度は椀状弾性体32bが
凹状に窪んで変形して可動接点37bが下降し、第三の
接点である固定接点30bを短絡する。
Thereafter, when the force applied to the right pressing operation portion 22a of the operation key 21 is further increased, as shown in FIG. 6, the bowl-shaped elastic bodies 31a and 32a remain in a recessed state and do not move, that is, the fixed contacts 29a and When the force applied to the bowl-shaped elastic body 32b increases and exceeds the elastic force of the bowl-shaped elastic body 32b, the bowl-shaped elastic body 32b is depressed and deformed into a concave shape. 37b descends and short-circuits the fixed contact 30b as the third contact.

【0040】この時、駆動板40は椀状弾性体32aの
中央円板部35aを中心として傾き、下に下がった位置
で水平となる。
At this time, the driving plate 40 is tilted about the center disk portion 35a of the bowl-shaped elastic body 32a, and becomes horizontal at a position lowered.

【0041】この後、操作キー21の右押圧操作部22
aに加えていた力を除くと、凹状に窪んでいた椀状弾性
体31a,32aおよび32bが元の椀状に復帰しよう
とする弾性力によって各々の円板部34a,35aおよ
び35bが揺動部材25aおよび駆動板40を押し上げ
ようとして操作キー21の軸支持孔23a,23a′部
を押し、操作キー21を元の図1の中立状態まで押し戻
すと共に、短絡していた固定接点29a,30aおよび
30bは元の開放状態となる。
Thereafter, the right pressing operation section 22 of the operation key 21
When the force applied to a is removed, each of the disk portions 34a, 35a, and 35b swings due to the elastic force of the bowl-shaped elastic bodies 31a, 32a, and 32b, which have been concavely recessed, returning to the original bowl shape. In order to push up the member 25a and the drive plate 40, the shaft support holes 23a and 23a 'of the operation key 21 are pushed, and the operation key 21 is pushed back to the original neutral state in FIG. 1, and the short-circuited fixed contacts 29a and 30a and 30b returns to the original open state.

【0042】また、操作キー21の左押圧操作部22b
を押して操作キー21を揺動操作する場合にも、左端の
椀状弾性体31bと中間の二個の椀状弾性体32b,3
2aの弾性力と各椀状弾性体に加わる力との関係を上記
の場合と同様に認定することによって、まず椀状弾性体
31bが窪んで変形して固定接点29bが第一の接点と
して短絡し、次いで椀状弾性体32bが窪んで固定接点
30bが第二の接点として短絡し、最後に椀状弾性体3
2aが窪んで固定接点30aが短絡することができるも
のである。
Further, a left pressing operation portion 22b of the operation key 21 is provided.
Is pressed to swing the operation key 21, the left end bowl-shaped elastic body 31b and the middle two bowl-shaped elastic bodies 32b, 3
By recognizing the relationship between the elastic force of 2a and the force applied to each bowl-shaped elastic body in the same manner as described above, the bowl-shaped elastic body 31b is first depressed and deformed, and the fixed contact 29b is short-circuited as the first contact. Then, the bowl-shaped elastic body 32b is depressed, and the fixed contact 30b is short-circuited as a second contact.
2a is depressed and the fixed contact 30a can be short-circuited.

【0043】以上の例では、シーソーボタンの右押圧操
作部22aおよび左押圧操作部22bを押して操作する
場合に、三個ずつの椀状弾性体31a,32a,32b
および31b,32b,32aが外側から順に凹状に窪
んで変形し、それに対応する三個の固定接点29a,3
0a,30bおよび29a,30b,30aが外側から
順に短絡する例を示したが、この短絡順序は、各椀状弾
性体31a,31b,32a,32bの肉厚や直径を変
えて弾性力を調整したり、前記図4および図5に示した
距離B〜Eの関係を変えることによって、外側の接点3
/aおよび3/bが二番目または最後に短絡するように
もできるものである。
In the above example, when the right and left push operation portions 22a and 22b of the seesaw button are pushed and operated, three bowl-shaped elastic bodies 31a, 32a and 32b are provided.
And 31b, 32b, 32a are concavely deformed in order from the outside and deformed, and the three fixed contacts 29a, 3 corresponding thereto are deformed.
Although the example in which 0a, 30b and 29a, 30b, 30a are short-circuited in order from the outside is shown, this short-circuiting order adjusts the elastic force by changing the thickness and diameter of each bowl-shaped elastic body 31a, 31b, 32a, 32b. 4 or changing the relationship between the distances B to E shown in FIGS.
/ A and 3 / b can be shorted second or last.

【0044】図7は本発明の三段切換シーソースイッチ
を用いたビデオカメラのズーム調整用に使用される三段
切換シーソースイッチ装置の概念図であり、43は可動
接点36aと固定接点29aで構成される第一スイッチ
部、44は可動接点37aと固定接点30aで構成され
る第二スイッチ部、45は可動接点37bと固定接点3
0bで構成される第三スイッチ部、46は可動接点36
bと固定接点29bで構成される第四スイッチ部であ
り、47はこの第一スイッチ部43〜第四スイッチ部4
6で構成される図1で説明した三段切換シーソースイッ
チである。
FIG. 7 is a conceptual diagram of a three-stage seesaw switch device used for adjusting the zoom of a video camera using the three-stage seesaw switch of the present invention. Reference numeral 43 denotes a movable contact 36a and a fixed contact 29a. The first switch unit 44 is a second switch unit comprising a movable contact 37a and a fixed contact 30a, and the reference numeral 45 is a movable switch 37b and a fixed contact 3
0b, a movable contact 36
and a fourth switch unit 47 comprising the first switch unit 43 to the fourth switch unit 4.
6 is a three-stage changeover seesaw switch described in FIG.

【0045】48はこの二段切換シーソースイッチ47
を操作した時、例えば、第一スイッチ部43または第四
スイッチ部46のいずれかがオンしたかを検知するとと
もに、ひき続いて第二および第三のスイッチ部の44お
よび45をオンさせた時、そのオン状態を検知し、それ
ぞれを機器本体49に電気信号として出力する検知・出
力手段である。
Reference numeral 48 denotes this two-stage changeover seesaw switch 47
Is operated, for example, while detecting whether the first switch section 43 or the fourth switch section 46 is turned on, and subsequently turning on the second and third switch sections 44 and 45. And detection means for detecting the ON state and outputting each of them as an electric signal to the device main body 49.

【0046】次に、この三段切換シーソースイッチ装置
の動作について説明すると、予め機器本体49のマイク
ロコンピュータにおいて、先に第一スイッチ部43がオ
ンした時は「TELE(望遠)」側にズーミングが微速
度で行われ、先に第四スイッチ部46がオンした時は
「WIDE(広角)」側にズーミングが微速度で行わ
れ、次に第二および第三のスイッチ部の44および45
がオンした時、中速度および高速度でズーミングが行わ
れるように設定されている。
Next, the operation of the three-stage switching seesaw switch device will be described. In the microcomputer of the main body 49, when the first switch unit 43 is turned on first, zooming to the "TELE (telephoto)" side is performed. When the fourth switch section 46 is turned on first, zooming is performed at the "WIDE (wide angle)" side at a slow speed, and then the second and third switch sections 44 and 45 are zoomed.
When is turned on, zooming is performed at medium speed and high speed.

【0047】すなわち、図1の三段切換シーソースイッ
チ47のシーソーボタン21の右押圧操作部22aを押
して第一スイッチ部43をオンすると、これを検知手段
48が検知して機器本体49のマイクロコンピュータに
第一信号として出力する。
That is, when the right switch 22a of the seesaw button 21 of the three-stage changeover seesaw switch 47 of FIG. 1 is pressed to turn on the first switch 43, the detecting means 48 detects this and the microcomputer of the device body 49 As a first signal.

【0048】この後、右押圧操作部22aに更に力を加
えて第二スイッチ部44および第三スイッチ部45をオ
ンすると、検知手段48が検知して機器本体49のマイ
クロコンピュータに第二信号および第三信号として出力
する。
Thereafter, when the second switch 44 and the third switch 45 are turned on by further applying a force to the right pressing operation section 22a, the detecting means 48 detects the second signal and sends the second signal and the signal to the microcomputer of the apparatus body 49. Output as the third signal.

【0049】そして、この信号を受けた機器本体49の
マイクロコンピュータがまず「TELE」側へ微速度ズ
ーミングを開始し、次の信号によって中速度および高速
度でズーミングを行う命令を出力するものである。
Then, the microcomputer of the device main body 49 which has received this signal starts slow speed zooming to the "TELE" side, and outputs a command for performing middle speed and high speed zooming by the next signal. .

【0050】なお、上記実施例では、検知手段48を機
器本体49のマイクロコンピュータと別個に設けたが、
機器本体49のマイクロコンピュータと一体に設けても
よいものである。
In the above embodiment, the detecting means 48 is provided separately from the microcomputer of the device main body 49.
It may be provided integrally with the microcomputer of the device body 49.

【0051】[0051]

【発明の効果】本発明の三段切換シーソースイッチは、
従来の二段切換シーソースイッチに対して駆動板を一点
追加するだけで、構成部品点数の少なく、材料費および
組立て費が安価となるとともに、シーソースイッチ全体
の高さおよび長さ寸法を大巾に小さくできて小形化に有
利である三段切換シーソースイッチを提供できるもので
ある。
The three-stage changeover seesaw switch according to the present invention comprises:
By simply adding one drive plate to the conventional two-stage changeover seesaw switch, the number of component parts is reduced, material and assembly costs are reduced, and the height and length of the entire seesaw switch are greatly increased. It is possible to provide a three-stage changeover seesaw switch that can be made small and advantageous for miniaturization.

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

【図1】本発明の三段切換シーソースイッチの一実施例
の正面断面図
FIG. 1 is a front sectional view of an embodiment of a three-stage changeover seesaw switch of the present invention.

【図2】同側断面図FIG. 2 is a side sectional view of the same.

【図3】同図1のA−A′線における断面図FIG. 3 is a sectional view taken along the line AA ′ in FIG. 1;

【図4】同第一の接点のみを短絡した状態の正面断面図FIG. 4 is a front sectional view showing a state where only the first contact is short-circuited;

【図5】同第一および第二の接点を短絡した状態の正面
断面図
FIG. 5 is a front sectional view showing a state where the first and second contacts are short-circuited;

【図6】同第一、第二および第三の接点を短絡した状態
の正面断面図
FIG. 6 is a front sectional view showing a state where the first, second and third contacts are short-circuited;

【図7】同ビデオカメラのズーム調整用に用いた応用例
の装置の概念図
FIG. 7 is a conceptual view of an apparatus of an application example used for zoom adjustment of the video camera.

【図8】従来の二段切換シーソースイッチの正面断面図FIG. 8 is a front sectional view of a conventional two-stage changeover seesaw switch.

【図9】(a)〜(c)同操作状態を説明する模式図FIGS. 9A to 9C are schematic diagrams illustrating the same operation state.

【図10】従来の三段切換シーソースイッチの構成を示
す模式図
FIG. 10 is a schematic diagram showing a configuration of a conventional three-stage changeover seesaw switch.

【図11】(a)同第一の接点のみ短絡した状態の模式
図 (b)同第一および第二の接点を短絡した状態の模式図 (c)同第一、第二および第三の接点を短絡した状態の
模式図
FIG. 11A is a schematic diagram showing a state in which only the first contact is short-circuited. FIG. 11B is a schematic diagram showing a state in which the first and second contacts are short-circuited. Schematic diagram with contacts shorted

【符号の説明】[Explanation of symbols]

21 操作キー 23a,23b 軸支持部 25a.25b 揺動部材 26a.26b 支軸 27 基体 29a,29b,30a,30b 固定接点 36a,36b,37a,37b 可動接点 39b,39b 内側下端部 40 駆動板 43 第一スイッチ部 46 第四スイッチ部 48 検知・出力手段 21 Operation keys 23a, 23b Shaft support 25a. 25b swing member 26a. 26b Support shaft 27 Base 29a, 29b, 30a, 30b Fixed contact 36a, 36b, 37a, 37b Movable contact 39b, 39b Inner lower end 40 Drive plate 43 First switch unit 46 Fourth switch unit 48 Detection / output means

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭57−199115(JP,A) 実開 昭60−78542(JP,U) 実開 昭62−5533(JP,U) 実開 昭63−114460(JP,U) (58)調査した分野(Int.Cl.7,DB名) H01H 23/00 H01H 23/30 ──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-57-199115 (JP, A) JP-A-60-78542 (JP, U) JP-A-65-2553 (JP, U) JP-A-63 114460 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) H01H 23/00 H01H 23/30

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】中点で揺動可能に基体に支持されると共
に、下面の中心から左右等距離の二点に軸支持部を有す
る操作キーと、基体上の中心から左右等距離で、上記操
作キーの軸支持部よりも外方に配された二点およびその
内側に配された他の二点の固定接点と、各固定接点の上
部に対向して配され、内側と外側の二個ずつが同程度の
弾力性を有し、押圧により弾性変形する四個の可動弾性
接点と、上記操作キーの二点の軸支持部により各々中間
部を揺動可能に支持され、各々の外側下面が外側の二個
の可動弾性接点の上端に接し、内側の端部が内側の二個
の可動弾性接点よりも内側まで延ばされて互いに一定の
間隔を保つように左右対称に配された二個の揺動部材
と、基体により上下動可能に保持され、上面が上記二個
の揺動部材の内側下端に、下面が内側の二個の可動弾性
接点の上端に各々当接するように配された駆動板から成
る三段切換シーソースイッチ。
1. An operation key which is swingably supported at a midpoint and has a shaft support at two points equidistant from the center of the lower surface to the left and right. Two fixed points located outside the shaft support portion of the operation key and the other two points located inside the two points, and two inside and outside fixed contacts arranged opposite to the top of each fixed contact Each of the four movable elastic contacts, each having the same elasticity and being elastically deformed by pressing, and two intermediate shaft supports of the operation key are swingably supported at their respective intermediate portions. Are in contact with the upper ends of the two outer movable elastic contacts, and the inner end is extended to the inner side than the two inner movable elastic contacts, and is arranged symmetrically so as to keep a certain distance from each other. The two swinging members and the base are held movably up and down, and the upper surface is the lower inner end of the two swinging members. , A three-step switching seesaw switch comprising a drive plate lower surface is arranged to respectively abut against the two of the upper end of the movable elastic contacts inside.
【請求項2】二個の揺動部材の内側下端面が揺動部材の
支軸と平行な直線状である請求項1記載の三段切換シー
ソースイッチ。
2. The three-stage changeover seesaw switch according to claim 1, wherein the inner lower end surfaces of the two rocking members are linear in parallel with the support shaft of the rocking members.
【請求項3】四組のスイッチ部の中の特定の二組のスイ
ッチ部のいずれかをオンした時、いずれのスイッチ部が
オンしたかを検知すると共に機器本体側に出力し、次に
他の二組のスイッチ部がオンした時、このスイッチのオ
ン状態を検知し、上記機器本体側に出力する検知・出力
手段を有する請求項1または2記載の三段切換シーソー
スイッチを用いた三段切換シーソースイッチ装置。
3. When one of two specific switch units among the four switch units is turned on, which one of the switch units is turned on is detected and output to the apparatus main body side. 3. A three-stage switch using a three-stage seesaw switch according to claim 1 or 2, further comprising detection / output means for detecting an on-state of said switch when said two sets of switch units are turned on, and outputting said detection result to said device main body side. Switching seesaw switch device.
JP5005554A 1993-01-18 1993-01-18 Three-stage switching seesaw switch and three-stage switching seesaw switch device using the same Expired - Fee Related JP3039176B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5005554A JP3039176B2 (en) 1993-01-18 1993-01-18 Three-stage switching seesaw switch and three-stage switching seesaw switch device using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5005554A JP3039176B2 (en) 1993-01-18 1993-01-18 Three-stage switching seesaw switch and three-stage switching seesaw switch device using the same

Publications (2)

Publication Number Publication Date
JPH06215665A JPH06215665A (en) 1994-08-05
JP3039176B2 true JP3039176B2 (en) 2000-05-08

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ID=11614420

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JP4456012B2 (en) 2005-01-24 2010-04-28 株式会社東海理化電機製作所 Switch device
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