JPS62157622A - Leaf switch - Google Patents
Leaf switchInfo
- Publication number
- JPS62157622A JPS62157622A JP29800985A JP29800985A JPS62157622A JP S62157622 A JPS62157622 A JP S62157622A JP 29800985 A JP29800985 A JP 29800985A JP 29800985 A JP29800985 A JP 29800985A JP S62157622 A JPS62157622 A JP S62157622A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- leaf switch
- contact
- contact piece
- base
- 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.)
- Granted
Links
Landscapes
- Contacts (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は、例えばビデオ装置、オーディオ機器、その他
の諸種の弱電用電気機器に使用されるリーフスイッチに
関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a leaf switch used in, for example, video equipment, audio equipment, and other various types of low-power electrical equipment.
[従来の技術]
従来から通常のリーフスイッチは、合成樹脂製の基体に
少なくとも2枚の細条・状導電接片をほぼ平行に固定し
、一方の可動接片を駆動して他方の固定接片との接触又
は切離しにより電気的な開閉を行うものであるが、この
接点部は電圧による集塵作用を持っているため塵埃が晴
着し易く、このため接触不良や抵抗増大等の弊害をもた
らしている。[Prior Art] Conventionally, a conventional leaf switch has at least two thin conductive contact pieces fixed almost parallel to a synthetic resin base, and one movable contact piece is driven to connect the other fixed contact piece. Electrical opening/closing is performed by contacting or disconnecting the contact piece, but since this contact part has a dust collection effect based on voltage, dust easily settles, which can cause problems such as poor contact and increased resistance. ing.
このような弊害を防止するため、最近は例えば実開昭6
0−39517号公報、#開開60−65410号公報
等に見られるように、接点部の保護と防塵、更には可動
接片を動作させる駆動片を兼ねたケース状の硬質のカバ
ーで被覆することが提案されている。In order to prevent such harmful effects, recently, for example,
As seen in Publication No. 0-39517, Publication No. 60-65410, etc., the contact portion is covered with a hard case-like cover that protects and dustproofs the contact portion, and also serves as a drive piece for operating the movable contact piece. It is proposed that.
しかし、このような硬質のカバーにより被覆する場合に
は、カバーを細条状接片のahきに応じて速やかに回動
できるように支持しなければならないために、構造的に
やや複雑でコストも割高になり、小型化にも不利である
。また、完全密封が難しいことから、防塵作用も不完全
であり、防水構造には不向きである。However, when covering with such a hard cover, the cover must be supported so that it can be rotated quickly according to the movement of the strip contact piece, which makes the structure somewhat complicated and costly. It is also expensive and disadvantageous for downsizing. In addition, since it is difficult to completely seal, the dust-proofing effect is also incomplete, making it unsuitable for waterproof structures.
[発明の目的]
本発明の目的は、軟質のカバーより接点部を密封可能と
し、かつ密封のまま内部の細条状接片を外部から容易に
駆動できるようにすると共に、カバーに補助的な弾発性
を与えて細条状接片の復元に容易に追従し得るようにし
たリーフスイッチを提供することにある。[Object of the Invention] An object of the present invention is to enable the contact portion to be sealed using a soft cover, and to easily drive the internal strip-shaped contact piece from the outside while the contact portion is sealed. It is an object of the present invention to provide a leaf switch which has elasticity and can easily follow the restoration of a strip-like contact piece.
[発明の概要]
上述の目的を達成するための本発明の要旨は、絶縁材料
から成る基体に少なくとも2枚の細条状接片をほぼ平行
に取り付けたリーフスイッチにおいて、前記基体から前
記細条状接片の接点部に互って弾性変形の容易な軟質の
絶縁材料から成るカバーを被覆して、該カバーを弾性部
材により該カバーの駆動方向に支持したことを特徴とす
るリーフスイッチである。[Summary of the Invention] The gist of the present invention to achieve the above-mentioned object is to provide a leaf switch in which at least two strip contact pieces are attached substantially parallel to a base made of an insulating material, in which the strip contact pieces are attached from the base to the base. A leaf switch characterized in that the contact portions of the shaped contact pieces are covered with a cover made of a soft insulating material that is easily elastically deformed, and the cover is supported in the drive direction of the cover by an elastic member. .
[発明の実施例] 本発明を図示の実施例に基づいて詳細に説明する。[Embodiments of the invention] The present invention will be explained in detail based on illustrated embodiments.
第1図、第2図は本発明の第1の実施例を示し、第1図
は通常の状態、第2図は作動状態を表している。合成樹
脂等の絶縁材料で造られた基体1に、それぞれ接点2a
、3aを有する少なくとも2枚の細条状接片、つまり可
動接片2、固定接片3がほぼ平行に固定されている構造
であることは従来通りである。そして、各接片2.3は
基体1から延在された支持片4.5によって支持されて
いる。各接片2.3の外部接続端部2b、3bを除くそ
の他の部分、即ち基体1から接片2.3の接点部にかけ
ては、弾性変形の容易な軟質のカバー6が被覆されてい
る。このカバー6は電気絶縁性を有する合成樹脂やゴム
から形成されており、好ましくは透明体である。カバー
6の底部には舌片状に形成したばね部材7が一体的に形
成され、基体1の底部から接片2.3に平行に延在され
た腕部8にこのばね部材7が当接されている。1 and 2 show a first embodiment of the present invention, with FIG. 1 showing the normal state and FIG. 2 showing the operating state. A contact point 2a is provided on a base 1 made of an insulating material such as a synthetic resin.
, 3a, that is, the movable contact piece 2 and the fixed contact piece 3 are fixed substantially parallel to each other, as is conventional. Each contact piece 2.3 is supported by a support piece 4.5 extending from the base body 1. A soft cover 6 that is easily elastically deformable covers the other portions of each contact piece 2.3 except for the external connection ends 2b and 3b, that is, from the base body 1 to the contact portion of the contact piece 2.3. This cover 6 is made of electrically insulating synthetic resin or rubber, and is preferably transparent. A tongue-shaped spring member 7 is integrally formed at the bottom of the cover 6, and this spring member 7 comes into contact with an arm 8 extending from the bottom of the base 1 in parallel to the contact piece 2.3. has been done.
従って、カバー6の押圧部9を駆動力Fにより外部から
押圧して内部の可動接片2を駆動すると、接片2.3の
接点2a、3a同志が閉成する。また駆動力Fを解除す
れば、接片2.3及びカバ−6自体の弾性力によって、
第1図の状態の原状に復帰することができる。この場合
に、特に駆動力Fを加えた状態において、カバー6はば
ね部材7により支えられているために、過度に屈曲され
ることがなく、また原状復帰も容易である。Therefore, when the pressing portion 9 of the cover 6 is pressed from the outside by the driving force F to drive the movable contact piece 2 inside, the contacts 2a and 3a of the contact pieces 2.3 are closed. Moreover, if the driving force F is released, the elastic force of the contact piece 2.3 and the cover 6 itself will cause
It is possible to return to the original state as shown in FIG. In this case, especially when the driving force F is applied, since the cover 6 is supported by the spring member 7, it is not bent excessively and can be easily returned to its original state.
カバー6を基体1に固定するには、その弾性力を利用し
てそそまま被着してもよいが、基体1への接着或いは超
音波加工、高周波加工、加熱等による融着等の種々の方
法も可能である。In order to fix the cover 6 to the base body 1, it is possible to attach it directly using its elastic force, but various methods such as adhesion to the base body 1, fusion by ultrasonic processing, high frequency processing, heating, etc. method is also possible.
また、第1図、第2図の場合はカバー6の抑圧部9を肉
厚にした場合を示したが、第3図に示すように駆動片1
0を可動接片2に取り付ければ、合の弾性部材としては
コイルばね11が用いられ、腕部、8との間に介在され
ている。In addition, in the case of FIGS. 1 and 2, the suppressing portion 9 of the cover 6 is made thick, but as shown in FIG.
0 is attached to the movable contact piece 2, a coil spring 11 is used as the mating elastic member, and is interposed between the arm part and the arm part 8.
第4図の場合は、可動接片2、固定接片3は共にカバー
6の内面に密着されており、コイルばね11は腕部8と
の間に介在するのではなく、他の固定の部材12に当接
させるようになっている。In the case of FIG. 4, both the movable contact piece 2 and the fixed contact piece 3 are in close contact with the inner surface of the cover 6, and the coil spring 11 is not interposed between it and the arm part 8, but is attached to another fixed member. 12.
また上述の実施例は、防塵及び防水を目的として接点2
a、3aをカバー6により完全に密封する場合を示した
が、接点2a、3aの防塵だけが目的であれば必ずしも
完全密封の必要はなく、第5図に例示するように基体1
の近くに適当な形状の開口部13を設けて、カバー6が
弾性変形し易いようにしてもよい、そして、カバー6の
先端部6aは、弾性変形を容易にするため円弧状とされ
ている。また、第5図においてはカバー6の支持は基部
から延出した腕部8にばね性を持たせて、カバー6を弾
性的に支持させている。Further, in the above embodiment, the contact 2 is used for the purpose of dustproofing and waterproofing.
Although the case where the contacts 2a and 3a are completely sealed with the cover 6 is shown, it is not necessarily necessary to completely seal the contacts 2a and 3a if the only purpose is to prevent dust, and as illustrated in FIG.
An opening 13 of an appropriate shape may be provided near the opening 13 so that the cover 6 can be easily elastically deformed, and the tip 6a of the cover 6 has an arcuate shape to facilitate elastic deformation. . Further, in FIG. 5, the cover 6 is supported by elastically supporting the cover 6 by giving spring properties to the arm portion 8 extending from the base.
前述の実施例は接片が2枚だけの場合を示した一ACに
自 lご か タ、1打 Lデ 1 苧−μl ン5
1唯 ム +xx 1日 か 議 1)1噂 キること
は勿論である。The above embodiment shows the case where there are only two contact pieces.
1 only +xx 1 day or discussion 1) 1 Rumor Of course, it will get worse.
[発明の効果]
以上説明したように本発明に係るリーフスイッチは、接
点部を被覆するカバーが弾性変形自在な軟質材料から成
るため、内部の細条状接片をカバーの外部から駆動する
ことができ、接点部を密封して防塵は勿論のこと防水機
能を持たせることも可能であり、更には従来のようにカ
バーを基体に対し回動自在に取り付ける必要もないため
に構造的に簡易となり、その結果としてコストも安価と
なり小型化にも有利である。特に、カバーは弾性部材に
より支持しているために、カバーの過度な屈曲は防止さ
れ、復元も容易である。[Effects of the Invention] As explained above, in the leaf switch according to the present invention, since the cover that covers the contact portion is made of an elastically deformable soft material, the inner strip-shaped contact piece cannot be driven from the outside of the cover. It is possible to seal the contact area to make it not only dustproof but also waterproof, and it is also structurally simple because there is no need to attach the cover rotatably to the base as in the past. As a result, the cost becomes low and it is advantageous for downsizing. In particular, since the cover is supported by an elastic member, excessive bending of the cover is prevented and restoration is easy.
図面は本発明に係るリーフスイッチの実施例を示し、第
1図は通常の状態の断面図、第2+rgJは作動状態の
断面図、第3図〜第5図は他の実施例の断面図又は部分
断面図である。
符号1は基体、2は可動接片、3は固定接片、2a、3
bは接点、6はカバー、7はばね部材、8は腕部、11
はコイルばねである。
特許出願人 飯塚電気工業株式会社図面
第1図
第2図
第4図The drawings show embodiments of the leaf switch according to the present invention; FIG. 1 is a sectional view in a normal state, 2+rgJ is a sectional view in an operating state, and FIGS. 3 to 5 are sectional views of other embodiments. FIG. 1 is a base body, 2 is a movable contact piece, 3 is a fixed contact piece, 2a, 3
b is a contact point, 6 is a cover, 7 is a spring member, 8 is an arm portion, 11
is a coil spring. Patent applicant: Iizuka Electric Industry Co., Ltd.DrawingsFigure 1Figure 2Figure 4
Claims (1)
片をほぼ平行に取り付けたリーフスイッチにおいて、前
記基体から前記細条状接片の接点部に亙って弾性変形の
容易な軟質の絶縁材料から成るカバーを被覆して、該カ
バーを弾性部材により該カバーの駆動方向に支持したこ
とを特徴とするリーフスイッチ。 2、前記基体から腕部を延在し、該腕部と前記カバーと
の間に前記弾性部材を介在した特許請求の範囲第1項に
記載のリーフスイッチ。 3、前記基体から弾性を有する腕部を延在し、該腕部に
より前記カバーを支持するよにした特許請求の範囲第1
項に記載のリーフスイッチ。[Scope of Claims] 1. A leaf switch in which at least two strip contact pieces are attached substantially parallel to a base made of an insulating material, wherein elasticity extends from the base body to the contact portions of the strip contact pieces. A leaf switch comprising a cover made of a soft insulating material that is easily deformable and supported in the drive direction of the cover by an elastic member. 2. The leaf switch according to claim 1, wherein an arm extends from the base, and the elastic member is interposed between the arm and the cover. 3. Claim 1, wherein an elastic arm extends from the base body, and the cover is supported by the arm.
Leaf switch as described in section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29800985A JPS62157622A (en) | 1985-12-30 | 1985-12-30 | Leaf switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29800985A JPS62157622A (en) | 1985-12-30 | 1985-12-30 | Leaf switch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62157622A true JPS62157622A (en) | 1987-07-13 |
JPH0151843B2 JPH0151843B2 (en) | 1989-11-07 |
Family
ID=17853942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29800985A Granted JPS62157622A (en) | 1985-12-30 | 1985-12-30 | Leaf switch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62157622A (en) |
-
1985
- 1985-12-30 JP JP29800985A patent/JPS62157622A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0151843B2 (en) | 1989-11-07 |
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