JPS63166115A - Push switch - Google Patents

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 本発明はカーラジオ、カーステレオ等に使用されるブツ
シュスイッチに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a bushing switch used in car radios, car stereos, and the like.

従来の技術 本発明の先行技術となるブツシュスイッチを第３図、第
４図により説明する。第３図、第４図において、１は固
定接点２，３およびその外部接続用端子４，６を保持し
た箱形の合成樹脂製の第１のケースである。2. Description of the Related Art A bushing switch which is a prior art of the present invention will be explained with reference to FIGS. 3 and 4. In FIGS. 3 and 4, reference numeral 1 denotes a box-shaped first case made of synthetic resin that holds fixed contacts 2, 3 and their external connection terminals 4, 6.

２１は合成樹脂製の回転体で、中央のラチェット部２２
の両側にカム部２３．２４を設けており、さらにその両
側に第１のケース１の溝部６，７と第２のケース３１に
て一定中心に回転可能に保持される支持部２５．２６を
設けている。21 is a rotating body made of synthetic resin, and a ratchet part 22 in the center
Cam parts 23, 24 are provided on both sides of the cam part 23, 24, and support parts 25, 26 are provided on both sides of the cam parts 23, 24, which are rotatably held at a constant center by the grooves 6, 7 of the first case 1 and the second case 31. It is set up.

合成樹脂製の箱形の第２のケース３１の内部には、外部
接続用端子３２．３３と各々導通しており、固定接点２
，３と各々弾接するように一部ケース３１より突出して
いる可動接点３４．３５が保持されている。また第１の
ケース１の係合穴８゜９と各々係合しブツシュスイッチ
の筐体を形成するための突起部３８．３７を設けている
。The inside of the box-shaped second case 31 made of synthetic resin is electrically connected to external connection terminals 32 and 33, and the fixed contact 2
, 3, movable contacts 34, 35 which partially protrude from the case 31 are held so as to come into elastic contact with each of them. Further, protrusions 38 and 37 are provided for engaging with the engagement holes 8.9 of the first case 1, respectively, to form the housing of the bushing switch.

５１は合成樹脂製の駆動体で、直線移動が可能なように
ケース３１の溝部３Ｂ　、３９．４０に各各嵌合するガ
イド部５２．５３．５４を設けており、回転体２１のラ
チェット部２２と上部から係合する送シヅメ６６と下部
から係合する戻しヅノ６６が設けられている。Reference numeral 51 denotes a driving body made of synthetic resin, which is provided with guide parts 52, 53, and 54 that fit into the grooves 3B and 39.40 of the case 31, respectively, so as to be able to move in a straight line, and a ratchet part of the rotating body 21. 22 from above, and a return fitting 66 which engages from the bottom.

６１は両端６２．６３がケース１のスプリング保持穴１
０．１１に挿入され、コイル部６４　、６５の後部をケ
ース１のコイル当接部１２，１３に当接し、中央　　字
形部６６の前部を駆動体５１のスプリング受は部６７に
当接する捩りコイルスプリングである。61 has both ends 62, and 63 has spring holding hole 1 of case 1.
0.11, the rear parts of the coil parts 64 and 65 are brought into contact with the coil contact parts 12 and 13 of the case 1, and the front part of the central part 66 is torsioned so that the spring receiver of the driver 51 is brought into contact with the part 67. It is a coil spring.

以上５点の構成部品をケース１（外部接続端子及び固定
接点保持源）−回転体２１−ケース３１（外部接続端子
及び可動接点保持源）−捩りコイルスプリング６１→駆
動体６１の順に積み重ねることにより構成される。By stacking the above five components in the order of case 1 (external connection terminal and fixed contact holding source) - rotating body 21 - case 31 (external connection terminal and movable contact holding source) - torsion coil spring 61 → drive body 61 configured.

発明が解決しようとする問題点 しかしながら、このブツシュスイッチにおいて、第２の
ケース３１を組み合わせる際、第２のケース３１の側面
を指または治具にて保持するのであるが、保持状態が著
しく不安定な場合は可動接点３４．３５が変形し、固定
接点２，３との接触不良が発生する等の問題があった。Problems to be Solved by the Invention However, in this bush switch, when assembling the second case 31, the side surface of the second case 31 is held with fingers or a jig, but the holding condition is extremely poor. In the case of stability, the movable contacts 34 and 35 are deformed, causing problems such as poor contact with the fixed contacts 2 and 3.

問題点を解決するための手段 本発明は上記問題点を解決するために、第２のケースの
側面に可動接点の突出された高さ以上に突出した係合部
を設けたものである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides an engaging portion on the side surface of the second case that protrudes beyond the protruding height of the movable contact.

作用 上記のように第２のケースより突出された可動接点の高
さ以上に第２のケースの側面から係合部を突出して設け
たため、組合せの際の可動接点変形要素が、先に前記係
合部に当たることにより、可動接点を保護し、接点形状
の安定化を図ることが出来る。Effect As described above, since the engaging portion is provided so as to protrude from the side surface of the second case at a height higher than the height of the movable contact that protrudes from the second case, the movable contact deforming element when assembled is first By hitting the joint, the movable contact can be protected and the shape of the contact can be stabilized.

実施例 以下本発明の一実施例を第１図、第２図にて説明する。Example An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

なお従来の技術と同一個所には同一番号を付与し、説明
は省略する。Note that the same numbers are given to the same parts as in the conventional technology, and explanations are omitted.

回転体２１と捩りコイルバネ６１と駆動体５１は従来と
同じである。The rotating body 21, the torsion coil spring 61, and the driving body 51 are the same as the conventional one.

第２のケース３１は両側面より可動接点３４゜３６のケ
ース３１より突出された長さ４４以上の長さで係合部４
１．４２を突出して設けており、かつこの係合部４１．
４２には第１のケース１に設けられた係合部１４．１５
の止め部１６．１７から前面までの長さ１２以上の長さ
１３で引っかけ部４３．４４を設けている。The second case 31 has a length of 44 or more that protrudes from the case 31 of the movable contacts 34 and 36 from both sides, and the engaging portion 4
1.42 is provided protrudingly, and this engaging portion 41.
42 includes engaging portions 14 and 15 provided in the first case 1.
A hook portion 43.44 is provided with a length 13 of 12 or more from the stop portion 16.17 to the front surface.

したがって第１のケース１に第２のケース３１を係合す
る際、始めに第１のケース１の係合部１４．１５に第２
のケース３１の係合部４１，４２が挿入され、次に第１
のケース１の係合穴８，９に第２のケース３１の突起部
３６．３７が挿入され、両ケースの位置決めが完了し、
さらに第２のケース３１の引っかけ部４３．４４が第１
のケース１の止め部１６，１了に引っかかり、保合を完
了する。Therefore, when engaging the second case 31 with the first case 1, first the second case 31 is connected to the engaging part 14.15 of the first case 1.
The engaging parts 41 and 42 of the case 31 are inserted, and then the first
The projections 36 and 37 of the second case 31 are inserted into the engagement holes 8 and 9 of the case 1, and the positioning of both cases is completed.
Furthermore, the hook portions 43 and 44 of the second case 31
It is caught on the stopper part 16, 1 of case 1, and the attachment is completed.

発明の効果 以上のように本発明に係るブツシュスイッチは第２のケ
ースの両側面に可動接点保護用の係合部を設けたため、
組み合わせ時における横方向からの可動接点変形要因が
除かれ、接点形状安定化を図ることが出来、かつ組立自
動化の信頼性も大巾に向上する。Effects of the Invention As described above, the bushing switch according to the present invention has engaging parts for protecting the movable contacts on both sides of the second case.
The cause of deformation of the movable contact from the lateral direction during assembly is eliminated, the shape of the contact can be stabilized, and the reliability of assembly automation is greatly improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明一実施例のブツシュスイッチの分解斜視
図、第２図は同ブツシュスイッチの第１のケースと第２
のケースの係合部を示す一部切欠正面図、第３図は従来
のブツシュスイッチの分解斜視図、第４図は同ブツシュ
スイッチの第１のケースと第２のケースの分解斜視図で
ある。 １・・・・・・第１のケース、３１・・・・・・第２の
ケース、４１．４２・・・・・・係合部。 代理人の氏名　弁理士　中　尾　敏　男　ほか１名第１
図 Ｉ４ 第２図 ？ｓ　３　図Fig. 1 is an exploded perspective view of a bushing switch according to an embodiment of the present invention, and Fig. 2 shows a first case and a second case of the bushing switch.
Fig. 3 is an exploded perspective view of a conventional bushing switch, and Fig. 4 is an exploded perspective view of the first case and second case of the bushing switch. It is. 1...First case, 31...Second case, 41.42...Engaging portion. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure I4 Figure 2? s 3 diagram

Claims (1)

【特許請求の範囲】[Claims] 固定接点及びその外部接続用端子を保持した箱形の合成
樹脂製の第１のケースと、ケース外より突出し、前記固
定接点と弾接する可動接点及びその外部接続用端子部を
保持し前記第１のケースと係合する係合部を有する合成
樹脂製の第２のケースと、前記第１のケースと第２のケ
ースを係合させた筐体内に収納され、前記固定接点と前
記可動接点を接離する駆動体とを備え、前記第２のケー
スの両側より前記可動接点の突出された高さ以上に突出
した係合部を設けたプッシュスイッチ。a box-shaped first case made of synthetic resin that holds a fixed contact and its external connection terminal; a second case made of synthetic resin having an engaging part that engages with the case; and a housing in which the first case and the second case are engaged, and the fixed contact and the movable contact are connected to each other. What is claimed is: 1. A push switch, comprising: a driving body that moves toward and away from the movable contact;