JP3296610B2 - Push-button operation part of electronic device - Google Patents
Push-button operation part of electronic deviceInfo
- Publication number
- JP3296610B2 JP3296610B2 JP1343693A JP1343693A JP3296610B2 JP 3296610 B2 JP3296610 B2 JP 3296610B2 JP 1343693 A JP1343693 A JP 1343693A JP 1343693 A JP1343693 A JP 1343693A JP 3296610 B2 JP3296610 B2 JP 3296610B2
- Authority
- JP
- Japan
- Prior art keywords
- push
- plate
- raised portion
- push button
- vertical
- 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
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
- Telephone Set Structure (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、携帯電話機等の電子装
置に於て、押しボタン操作部の改良に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a push button operation section of an electronic device such as a portable telephone.
【０００２】[0002]
【従来の技術】携帯電話機の押しボタン操作部は、図１
に示す如く、表面はシリコンゴムの如く乳白色の柔軟な
材料によって形成された覆板(2)が被せられ、防水構造
となっている。覆板(2)は、図８に示す如く電源ボタ
ン、テンキーボタン、機能ボタン等の回路に対応して隆
起部を形成し、***部表面に押釦板(4)を接着剤層(46)
によって夫々接着してなるものである。2. Description of the Related Art FIG.
As shown in (1), the surface is covered with a cover plate (2) formed of a milky white flexible material such as silicone rubber, and has a waterproof structure. As shown in FIG. 8, the cover plate (2) forms a raised portion corresponding to a circuit such as a power button, a numeric keypad button, and a function button, and a push button plate (4) is provided on the surface of the raised portion with an adhesive layer (46).
Are bonded to each other.
【０００３】[0003]
【発明が解決しようとする課題】覆板(2)の***部(31)
表面に押釦板(4)を配備するには、***部表面への接着
剤を塗布し、押釦板を位置決めして載せ、接着剤層が硬
化するまで押釦板(4)の位置がずれないように、治具を
使った保持等手間のかかる面倒な操作が必要であった。
特に、接着剤層が硬化するまで、所定時間位置決め保持
の状態を持続せねばならないため、作業能率向上を阻害
していた。The raised portion (31) of the cover plate (2)
To deploy the push button plate (4) on the surface, apply an adhesive to the surface of the raised portion, position the push button plate and place it, so that the position of the push button plate (4) does not shift until the adhesive layer is hardened In addition, a troublesome operation such as holding with a jig is required.
In particular, the positioning and holding state must be maintained for a predetermined time until the adhesive layer is hardened, which hinders improvement in work efficiency.
【０００４】更に、従来の押ボタン操作部は、基板(1)
上に形成した回路のスイッチ部に金属板を材料とするド
ーム状の弾性導体(7)を配置し、押釦板(4)を押圧するこ
とによって弾性導体(7)を変形させ、回路のスイッチ部
を導通させる構成であるが、押釦板(4)を押える力が入
り過ぎると、弾性導体(7)の押付力が過大となって、塑
性変形させてしまい、スイッチ機能を損なう問題があっ
た。[0004] Further, the conventional push-button operation section includes a board (1)
A dome-shaped elastic conductor (7) made of a metal plate is arranged in the switch portion of the circuit formed above, and the elastic conductor (7) is deformed by pressing the push button plate (4), and the switch portion of the circuit is formed. However, if the force for pressing the push button plate (4) is excessively applied, the pressing force of the elastic conductor (7) becomes excessively large, causing plastic deformation, and causing a problem of impairing the switch function.
【０００５】本発明の電子装置の押しボタン操作部は、
蓋板(２)の***部(31)に開口縁に抜止片(35)を突出した
垂直孔(33)(34)を凹設し、押釦板(4)の下面に脚(41)を
突設して、***部(31)の垂直孔(33)(34)へ脚(41)を嵌合
させ、抜止片(35)によって押釦板(4)を***部(31)表面
へ保持するとともに、前記***部(31)の前記垂直孔(33)
(34)は覆板(2)を貫通しており、押釦板(4)の脚(41)は、
先端が垂直孔(34)を貫通して、前記電気導体(7)から外
れた側方にて***部(31)下面の空間(32)へ所定長さ突出
している。[0005] The push-button operation unit of the electronic device of the present invention includes:
Vertical holes (33) and (34) are formed in the raised portion (31) of the lid plate (2) at the opening edge, with protrusions (35) protruding therefrom, and legs (41) project from the lower surface of the push button plate (4). The leg (41) is fitted into the vertical hole (33) (34) of the raised portion (31), and the push button plate (4) is held on the surface of the raised portion (31) by the retaining piece (35). The vertical hole (33) of the ridge (31)
(34) penetrates the cover plate (2), and the leg (41) of the push button plate (4)
The tip penetrates the vertical hole (34) and projects a predetermined length into the space (32) below the raised portion (31) on the side deviating from the electric conductor (7).
【０００６】[0006]
【作用及び効果】押釦板(4)を***部(31)の表面に置
き、強く押えるだけで、脚(41)は垂直孔(33)に嵌合し、
覆板(2)の***部(31)と一体化するから、従来の押しボ
タン操作部の如く接着剤の塗布、治具による固定、接着
剤硬化までの長時間の保持は不要となって、押しボタン
操作部のキー部(3)は、迅速に且つ容易に製作できる。
脚(41)を延長して覆板(2)の裏側空間へ突出させた場
合、押しボタン操作によって弾性導体が回路に接触する
と同時に、脚先端が基板(1)に支えるから、弾性導体へ
の過大な押圧を防止できる。[Operation and effect] The push button plate (4) is placed on the surface of the raised portion (31), and only by pressing strongly, the leg (41) fits in the vertical hole (33),
Since it is integrated with the raised portion (31) of the cover plate (2), it is unnecessary to apply adhesive, fix with a jig, and hold the adhesive for a long time as in the conventional push button operation part, The key part (3) of the push button operation part can be manufactured quickly and easily.
When the leg (41) is extended and protrudes into the space behind the cover plate (2), the elastic conductor comes into contact with the circuit by operating the push button, and at the same time, the leg tip is supported by the board (1). Excessive pressing can be prevented.
【０００７】[0007]
【実施例】図面は、携帯電話機の押しボタン操作部に本
発明を実施した状況を示しているが、本発明はその他の
電子装置の押しボタン操作部にも実施できることは勿論
である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Although the drawings show a situation in which the present invention is applied to a push-button operation section of a portable telephone, it goes without saying that the present invention can be applied to push-button operation sections of other electronic devices.
【０００８】基板(1)にはプリント配線が施され、キー
部(3)に対応する基板(1)上の位置にはスイッチの一対の
端子となる回路(8)が形成されている。キー部(3)の回路
(8)上に、弾性を有する金属板をドーム状に湾曲した電
気導体(7)を配置する。覆板(2)は、シリコンゴムの如く
柔軟な白色材料を成形したものであって、基板(1)に被
せて防水構造を構成している。キー部(3)の位置に対応
して、覆板(2)は肉厚の***部(31)を構成すると共に、
回路(8)及び導体(7)を収容する空間(32)を形成してい
る。基板(1)には発光ダイオード(6)を配備し、覆板(2)
は裏面に発光ダイオード(6)の外側を取り囲む隔壁(5)を
突出し、発光ダイオード(6)の光は、覆板(2)を透かして
外側から点灯を識別可能とすると共に、覆板(2)の裏側
空間に於て、発光ダイオード(6)の光が側方へ漏れるこ
とは、隔壁(5)によって防いでいる。Printed wiring is provided on the substrate (1), and a circuit (8) serving as a pair of terminals of a switch is formed at a position on the substrate (1) corresponding to the key portion (3). Circuit of key part (3)
(8) An electric conductor (7) obtained by bending a metal plate having elasticity into a dome shape is arranged on (8). The cover plate (2) is formed by molding a flexible white material such as silicone rubber, and covers the substrate (1) to form a waterproof structure. According to the position of the key portion (3), the cover plate (2) forms a thick raised portion (31),
A space (32) for accommodating the circuit (8) and the conductor (7) is formed. A light emitting diode (6) is provided on the substrate (1), and a cover plate (2)
Protrudes a partition wall (5) surrounding the outside of the light-emitting diode (6) on the back surface, so that the light of the light-emitting diode (6) can be distinguished from the outside through the cover plate (2), and the cover plate (2) In the space on the back side of (), the light of the light emitting diode (6) is prevented from leaking to the side by the partition (5).
【０００９】以上は、公知の押しボタン操作部に共通し
た構造であるが、本発明は覆板(2)の***部(31)へ接着
剤層を設けることなく、押釦板(4)を取り付けた構成を
特徴とするものである。押釦板(4)は、硬質合成樹脂を
射出成形したものであって、覆板(2)の***部(31)と同
一の輪郭形状を有し、裏面には複数本の脚(41)を第４図
に示す如く、等間隔に突設している。図３に示す如く、
覆板(4)の脚(41)は、基端の垂直部を下向きに短く突出
し、外方へ伸びる屈曲部(42)を形成した後、先端を下向
きに延長して垂直部(43)を形成している。Although the above is the structure common to the known push button operation section, the present invention attaches the push button plate (4) to the raised portion (31) of the cover plate (2) without providing an adhesive layer. It is characterized by the following configuration. The push button plate (4) is formed by injection molding a hard synthetic resin, has the same contour shape as the raised portion (31) of the cover plate (2), and has a plurality of legs (41) on the back surface. As shown in FIG. 4, they are provided at equal intervals. As shown in FIG.
The leg (41) of the cover plate (4) protrudes shortly downward at the vertical portion of the base end, forms a bent portion (42) extending outward, and then extends the distal end downward to form the vertical portion (43). Has formed.
【００１０】覆板(2)の***部(31)には、押釦板(4)の脚
(41)の基端部及び垂直部(43)に夫々対向して、垂直孔(3
3)(34)を半径方向に僅かずらして、***部(31)の上面及
び下面から夫々凹設し、***部(31)の内部にて２つの垂
直孔(33)(34)を一部重ならせてＬ字状の貫通孔を形成し
ている。垂直孔(34)の上部には、***部(31)の上面が伸
びて、抜止片(35)を構成している。The raised portion (31) of the cover plate (2) has a leg of the push button plate (4).
A vertical hole (3) faces the base end of (41) and the vertical portion (43), respectively.
3) (34) is slightly displaced in the radial direction to be recessed from the upper surface and the lower surface of the raised portion (31), respectively, and two vertical holes (33) and (34) are partially formed inside the raised portion (31). L-shaped through holes are formed so as to overlap. The upper surface of the raised portion (31) extends above the vertical hole (34) to form a retaining piece (35).
【００１１】***部(31)の上面に押釦板(4)を置き、脚
(41)と垂直孔(33)を位置決めして強く押し下げると、脚
の垂直部(43)は、抜止片(35)を弾性変形させて垂直孔(3
4)に嵌まり込む。脚(41)が垂直孔(33)へ嵌合すると、抜
止片(35)は屈曲部(42)と押釦板(4)の間へ嵌まって屈曲
部(42)及び垂直部(43)の抜止めとなり、押釦板(4)を隆
起部(31)上面へ接着剤を設けることなく係止できるので
ある。抜止片(35)は、端面を上向きに傾斜しておくと、
垂直部(43)は容易に垂直孔(34)へ嵌合することができ
る。The push button plate (4) is placed on the upper surface of the raised portion (31),
When the (41) and the vertical hole (33) are positioned and pushed down firmly, the vertical part (43) of the leg elastically deforms the retaining piece (35) and the vertical hole (3).
4). When the leg (41) fits into the vertical hole (33), the retaining piece (35) fits between the bent portion (42) and the push button plate (4) to form the bent portion (42) and the vertical portion (43). As a result, the push button plate (4) can be locked on the upper surface of the raised portion (31) without providing an adhesive. The retaining piece (35), if the end face is inclined upward,
The vertical part (43) can be easily fitted into the vertical hole (34).
【００１２】図５及び図６は、本発明の他の実施例であ
って、上記した図２、図３の押しボタン操作部の構造に
於て、押釦板(4)の裏面に突出した脚(41)の垂直部(43)
を空間(32)の中間まで長く突設したものである。垂直部
(43)は、***部(31)の裏面から所定長さ下方へ突出して
いるから、キー部(31)を押圧操作した時、導体(7)を変
形させ、スイッチ回路の接点(8)を導通させると同時
に、脚(41)の垂直部(43)先端は、基板(1)に当って、そ
れ以上の押釦板(4)の押し下げを阻止する。従って、導
体(7)は、スイッチ回路(8)との接触はするが、それ以上
の過度の変形はせず、寿命を長く保つことができる。FIGS. 5 and 6 show another embodiment of the present invention. In the structure of the push-button operating section shown in FIGS. 2 and 3, the legs protruding from the back surface of the push-button plate (4) are shown. Vertical part of (41) (43)
Is protruded long to the middle of the space (32). Vertical part
(43) protrudes downward from the back surface of the raised portion (31) by a predetermined length, so that when the key portion (31) is pressed, the conductor (7) is deformed, and the contact (8) of the switch circuit is changed. At the same time as the conduction, the tip of the vertical portion (43) of the leg (41) hits the substrate (1) and prevents the push button plate (4) from being further pushed down. Therefore, the conductor (7) makes contact with the switch circuit (8), but does not undergo any further excessive deformation, and the life can be maintained long.
【００１３】図７は、本発明の更に他の実施例であっ
て、押釦板(4)の裏面には短い筒状の突出部(44)を形成
し、先端に外向きフランジ(45)を突設している。***部
(31)は、突出部(44)に対応して環溝(36)を形成し、溝底
には側方へ伸びる横溝(37)を形成すると共に、抜止片(3
5)を横溝(37)の上方へ一周して形成したものである。押
釦板(4)を***部(31)の上へ当て、強く押し下げること
によって、フランジ(45)が抜止片(35)を変形させ横溝(3
7)に嵌合し、抜止片(35)はフランジ(45)を押えて、押釦
板(4)を***部(31)上へ係止し、防水構造を構成してい
る。FIG. 7 shows still another embodiment of the present invention, in which a short cylindrical projection (44) is formed on the back surface of the push button plate (4), and an outward flange (45) is provided at the tip. It is protruding. Ridge
(31) forms an annular groove (36) corresponding to the protruding portion (44), forms a lateral groove (37) extending laterally at the groove bottom, and has a retaining piece (3
5) is formed by making one round above the lateral groove (37). The flange (45) deforms the retaining piece (35) by pressing the push button plate (4) onto the raised portion (31) and pressing it down firmly.
7), the retaining piece (35) presses the flange (45), and locks the push button plate (4) on the raised portion (31), thereby forming a waterproof structure.
【００１４】上記の説明及び図面は、本発明の理解を容
易とするために説明したものであるから、特許請求の範
囲を狭く解釈する様に用いるべきではない。当業者であ
れば、特許請求の範囲の記載から離れることなく、多く
の設計変更ができることは勿論である。The above description and drawings are provided to facilitate understanding of the present invention, and should not be used to narrow the scope of the claims. One skilled in the art can, of course, make many design changes without departing from the scope of the claims.
【図１】押しボタン操作部の平面図である。FIG. 1 is a plan view of a push button operation unit.
【図２】図１のＡ−Ａ線に沿って破断した拡大断面図で
ある。FIG. 2 is an enlarged sectional view taken along the line AA of FIG.
【図３】図２の１つのキー部の拡大図である。FIG. 3 is an enlarged view of one key unit of FIG. 2;
【図４】押釦板裏面の拡大図である。FIG. 4 is an enlarged view of the back surface of the push button plate.
【図５】図１のＡ−Ａ線に沿って断面した他の実施例の
拡大断面図である。FIG. 5 is an enlarged sectional view of another embodiment taken along the line AA of FIG. 1;
【図６】図５のキー部の拡大図である。FIG. 6 is an enlarged view of a key part of FIG. 5;
【図７】更に他の実施例のキー部の断面図である。FIG. 7 is a cross-sectional view of a key portion of still another embodiment.
【図８】図１のＡ−Ａ線に沿って断面した従来の押しボ
タン操作部の拡大断面図である。FIG. 8 is an enlarged cross-sectional view of a conventional push-button operation section taken along the line AA of FIG. 1;
(１) 基板 (２) 覆板 (３) キー部 (３１) ***部 (４) 押釦板 (４１) 脚 (７) 導体 (８) スイッチ回路 (1) Substrate (2) Cover (3) Key (31) Ridge (4) Pushbutton (41) Leg (7) Conductor (8) Switch circuit
Claims (2)
チ部へ金属板を材料とするドーム状の弾性導体(7)を配
置した基板(1)上へ、弾性材料の覆板(2)を被せ、キー部
(3)に対応して覆板(2)に***部(31)を形成し、該***部
(31)上へ押釦板(4)を配置した押しボタン操作部に於
て、 ***部(31)には、開口縁に抜止片(35)を突出した垂直孔
(33)(34)を凹設し、押釦板(4)の下面に脚(41)を突設し
て、***部(31)の垂直孔(33)(34)へ脚(41)を嵌合させ、
抜止片(35)によって押釦板(4)を***部(31)表面へ保持
するとともに、 前記***部(31)の前記垂直孔(33)(34)は覆板(2)を貫通
して開設され、押釦板(4)の脚(41)は、先端が垂直孔(3
4)を貫通して、前記電気導体(7)から外れた側方にて隆
起部(31)下面の空間(32)へ所定長さ突出しており、押し
ボタン操作時に前記電気導体(7)に加えられる押圧力を
制限している電子装置の押しボタン操作部。 Switch according to claim 1] Yes to the circuit of the circuit (8) to the surface (8)
Dome-shaped elastic conductor (7) made of a metal plate
Put the elastic material cover plate (2) on the substrate (1)
A ridge (31) is formed on the cover plate (2) corresponding to (3), and the ridge is formed.
(31) In the push-button operation part where the push-button plate (4) is arranged upward, the protrusion (31) has a vertical hole with a retaining piece (35) protruding from the opening edge.
(33) (34) are recessed, legs (41) are projected from the lower surface of the push button plate (4), and the legs (41) are fitted into the vertical holes (33) (34) of the raised portion (31). And
The push button plate (4) is held on the surface of the raised portion (31) by the retaining piece (35), and the vertical holes (33) and (34) of the raised portion (31) are opened through the cover plate (2). The leg (41) of the push button plate (4) has a vertical hole (3
4), projecting a predetermined length to the space (32) on the lower surface of the raised portion (31) at the side deviating from the electric conductor (7) ,
The pressing force applied to the electric conductor (7) at the time of button operation is
Push-button controls for electronic devices that are restricted .
び下面から夫々半径方向に僅かずらして凹設し、***部
(31)の内部にて２つの垂直孔(33)(34)を一部重ならせて
断面がＬ字状の貫通孔を形成しており、 押釦板(4)の脚(41)は、基端の垂直部を下向きに短く突
出し、外方へ伸びる屈曲部(42)を形成した後、先端を下
向きに延長して垂直部(43)を形成している請求項１の電
子装置の押しボタン操作部。 The vertical holes (33) and (34) are formed on the upper surface of the raised portion (31).
And slightly deviated from the lower surface in the radial direction,
Two vertical holes (33) and (34) partially overlap inside (31)
The cross section forms an L-shaped through-hole, and the leg (41) of the push button plate (4) projects a short vertical downward portion of the base end.
After forming the bent part (42) extending outward, lower the tip
2. The electric device according to claim 1, wherein said vertical portion extends in the direction.
Push button operation unit of child device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1343693A JP3296610B2 (en) | 1993-01-29 | 1993-01-29 | Push-button operation part of electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1343693A JP3296610B2 (en) | 1993-01-29 | 1993-01-29 | Push-button operation part of electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06232954A JPH06232954A (en) | 1994-08-19 |
| JP3296610B2 true JP3296610B2 (en) | 2002-07-02 |
Family
ID=11833084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1343693A Expired - Fee Related JP3296610B2 (en) | 1993-01-29 | 1993-01-29 | Push-button operation part of electronic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3296610B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100950886B1 (en) * | 2005-08-05 | 2010-04-01 | 신에츠 폴리머 가부시키가이샤 | Key frame and cover member for push button switch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5056451B2 (en) * | 2008-02-13 | 2012-10-24 | 住友電装株式会社 | Operating device and switch device provided with the same |
-
1993
- 1993-01-29 JP JP1343693A patent/JP3296610B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100950886B1 (en) * | 2005-08-05 | 2010-04-01 | 신에츠 폴리머 가부시키가이샤 | Key frame and cover member for push button switch |
| US7999204B2 (en) | 2005-08-05 | 2011-08-16 | Shin-Etsu Polymer Co., Ltd. | Key frame and cover member for push button switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06232954A (en) | 1994-08-19 |
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