JP5958976B2 - Push switch - Google Patents
Push switch Download PDFInfo
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- JP5958976B2 JP5958976B2 JP2014062692A JP2014062692A JP5958976B2 JP 5958976 B2 JP5958976 B2 JP 5958976B2 JP 2014062692 A JP2014062692 A JP 2014062692A JP 2014062692 A JP2014062692 A JP 2014062692A JP 5958976 B2 JP5958976 B2 JP 5958976B2
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- contact portion
- fixed contact
- case
- push switch
- movable contact
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/044—Elastic part on actuator or casing
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
本発明は、プッシュスイッチに関し、特に、押圧操作方向に固定接点部が配置されたプッシュスイッチに関するものである。 The present invention relates to a push switch, and more particularly to a push switch in which a fixed contact portion is disposed in a pressing operation direction.
携帯機器の操作部としてプッシュスイッチが用いられることがある。このように携帯機器の操作部として用いられるプッシュスイッチとしては、下記の特許文献１に記載のプッシュスイッチが知られている。 A push switch may be used as an operation unit of a portable device. As such a push switch used as an operation unit of a portable device, a push switch described in Patent Document 1 below is known.
以下、図１９を用いて、特許文献１に記載のプッシュスイッチについて説明する。図１９は特許文献１に記載のプッシュスイッチ９００の構造を示す断面図である。 Hereinafter, the push switch described in Patent Document 1 will be described with reference to FIG. FIG. 19 is a cross-sectional view showing the structure of the push switch 900 described in Patent Document 1.
特許文献１に記載のプッシュスイッチ９００は、図１９に示すように、本体となるケース９３０を側面視すると、略Ｌ字形状に形成されている。ケース９３０の上記Ｌ字の一方側には、スイッチ接点部を内蔵して下方に伸びる前方部位９６０が形成され、上記Ｌ字の他方側には、前方部位９６０と一体化された後方部位９６５が形成されている。プッシュスイッチ９００は、配線基板９７０上に配されて端子９５３および端子９５６が半田付けされて実装され、配線基板９７０に対し水平方向に前方部位９６０への押圧操作を行って動作するプッシュスイッチである。なお、スイッチ接点部は、水平方向に離間して配置された可動接点９４５と中央接点９４１とを有し、押圧部材９４８を介して可動接点９４５を押圧することで、可動接点９４５を撓ませて中央接点９４１に接触させることができる。このように、可動接点９４５と中央接点９４１とを接離させることでスイッチとして機能する。 As shown in FIG. 19, the push switch 900 described in Patent Document 1 is formed in a substantially L shape when a case 930 serving as a main body is viewed from the side. A front portion 960 is formed on one side of the L-shape of the case 930 so as to incorporate a switch contact portion and extends downward, and a rear portion 965 integrated with the front portion 960 is formed on the other side of the L-shape. Is formed. The push switch 900 is a push switch that is arranged on the wiring board 970 and is mounted by soldering the terminals 953 and 956, and operates by performing a pressing operation on the front portion 960 in the horizontal direction with respect to the wiring board 970. . Note that the switch contact portion has a movable contact 945 and a center contact 941 that are spaced apart in the horizontal direction, and the movable contact 945 is bent by pressing the movable contact 945 via the pressing member 948. The central contact 941 can be contacted. In this manner, the movable contact 945 and the center contact 941 are moved toward and away from each other to function as a switch.
しかしながら、プッシュスイッチ９００においては、Ｌ字形状の屈曲している箇所に可動接点９４５および中央接点９４１が配置されており、中央接点９４１を挟んで可動接点９４５に対向する側には、ケース９３０の肉厚が薄い部分がある。そのため、強い押し込み荷重で操作されたときに、可動接点９４５が、中央接点９４１の、ケースの肉厚が薄い部分に対応した箇所を押圧すると、中央接点９４１が撓んでしまい、可動接点９４５と中央接点９４１との接触に不具合が発生する恐れがある。 However, in the push switch 900, the movable contact 945 and the central contact 941 are disposed at the bent portion of the L shape, and the side of the case 930 is disposed on the side facing the movable contact 945 across the central contact 941. There is a thin part. For this reason, when the movable contact 945 presses a portion of the center contact 941 corresponding to the thin part of the case when operated with a strong pushing load, the center contact 941 is bent, and the movable contact 945 and the center There is a possibility that a failure occurs in contact with the contact 941.
本発明は、上述した課題を解決して、押し込み耐性の高いプッシュスイッチを提供するものである。 This invention solves the subject mentioned above and provides a push switch with high pushing tolerance.
請求項１に記載のプッシュスイッチにおいては、固定接点部材を有し、操作部材及び可動接点部材を収容する空間部を備えるケースと、前記空間部を覆うカバー部材と、を備えたプッシュスイッチにおいて、前記固定接点部材は前記空間部の一面である最奥面に露出して形成されており、前記ケースは前記最奥面の後方側に突出するように形成された本体部を有し、前記本体部には、後方側の端部から前方へ向かって一部切り欠かれた切り欠き部を有し、前記固定接点部材は、前記可動接点部材と接離する中央接点部と、前記可動接点部材と常時接触する周辺接点部と、からなり、前記中央接点部は、前記可動接点部材と接触する中央接触部と、前記中央接触部に連続して前記最奥面から露出するとともに、前記中央接触部の周囲へ延出された延出部と、を有し、前記中央接触部は、前記最奥面の前記本体部に対応した箇所に配置されており、前記第２固定接点部の前記可動接点部材と接触する周辺接触部は、前記最奥面の前記切り欠き部に対応した箇所に配置されており、前記最奥面は、前記第１固定接点部を挟んで前記第２固定接点部に対向する位置となる部分に前記周辺接触部と同じ高さに突出した突部を有する、という特徴を有する。 In the push switch according to claim 1, in the push switch having a fixed contact member, a case including a space portion that accommodates the operation member and the movable contact member, and a cover member that covers the space portion. The fixed contact member is formed so as to be exposed at the innermost surface that is one surface of the space portion, and the case includes a main body portion that is formed so as to protrude to the rear side of the innermost surface. The part has a notch partly cut away from the rear end part toward the front, and the fixed contact member is a central contact part that contacts and separates from the movable contact member, and the movable contact member A peripheral contact portion that is always in contact with the central contact portion, the central contact portion that is in contact with the movable contact member, and the central contact portion that is exposed from the innermost surface continuously to the central contact portion. Extended around the part Has a extending portion, and the central contact portion, said main body portion of the innermost surface is disposed at a position corresponding to the peripheral contact portion in contact with the movable contact member of the second fixed contact portion Is disposed at a position corresponding to the notch portion of the innermost surface, and the innermost surface is located at a portion facing the second fixed contact portion across the first fixed contact portion. It has a feature of having a protrusion protruding at the same height as the peripheral contact portion .
請求項２に記載のプッシュスイッチにおいては、金属板からなり一部が前記ケースから露出して設けられた回路部材は、一端に前記固定接点部を有するとともに、他端には、前記ケースの後方側から露出して外部と電気的に接続可能な外部接続部を有し、前記回路部材の前記固定接点部と前記外部接続部との間には、上方からの平面視で、前記回路部材が延出する方向に対して交差する方向へ延出する許容部が形成され、前記許容部の幅寸法は、前記許容部を間に挟んだ箇所の幅寸法よりも小さい、という特徴を有する。 3. The push switch according to claim 2 , wherein the circuit member made of a metal plate and partially exposed from the case has the fixed contact portion at one end and the rear of the case at the other end. An external connection portion that is exposed from the side and can be electrically connected to the outside, and the circuit member is disposed between the fixed contact portion and the external connection portion of the circuit member in a plan view from above. An allowable portion extending in a direction intersecting with the extending direction is formed, and the width dimension of the allowable portion is smaller than the width dimension of the portion sandwiching the allowable portion therebetween.
請求項１の発明によれば、最奥面の後方側で厚みのある本体部に対応した箇所に中央接触部を配置するとともに、中央接触部の周囲に延出する延出部を設けることで、押し込み操作されたときに、ケースに厚みのある部分で受け止めるとともに、受け止める面積を広げることができる。したがって、単位面積当たりで受け止める荷重を小さくするとともに、荷重に対して強い部分で受けることができる。よって、押し込み耐性の高いプッシュスイッチを提供することができる、という効果を奏する。 According to the first aspect of the present invention, the central contact portion is disposed at a position corresponding to the thick main body portion on the rear side of the innermost surface, and the extending portion extending around the central contact portion is provided. When the push-in operation is performed, the case can be received at a thick portion and the area to be received can be increased. Therefore, the load received per unit area can be reduced and received at a portion strong against the load. Therefore, it is possible to provide a push switch with high push resistance.
また、請求項１の発明によれば、周辺接触部を切り欠き部に対応した箇所に配置することで、本体部に対応した箇所を、押し込み操作時に最も負荷がかかる中央接触部および延出部に、より大きな面積を確実に割り当てることが可能となる。したがって、より押し込み耐性の高いプッシュスイッチを提供することができる、という効果を奏する。 According to the invention of claim 1 , by arranging the peripheral contact portion at a location corresponding to the cutout portion, the central contact portion and the extension portion that are most loaded during the pushing operation are placed at the location corresponding to the main body portion. In addition, it is possible to reliably allocate a larger area. Therefore, it is possible to provide a push switch having higher push-in resistance.
請求項２の発明によれば、例えば、電子機器に搭載された状態で押し込み操作をされたとき、外部接続部は電子機器に半田付けなどにより固定されているため、押し込み荷重は外部接続部に加わることになる。外部接続部と固定接点部との間に、前後の箇所より幅寸法が小さい許容部を設けることで、押し込み操作をされたときに、押し込みされた方向へ微少量ではあるが許容部が撓むことで、外部接続部にかかる負荷を吸収し軽減することができる。したがって、押し込み操作により半田付けされた外部接続部が外れるような不具合が発生し難くなる。よって、さらに押し込み耐性の高いプッシュスイッチを提供することができる、という効果を奏する。
According to the second aspect of the present invention, for example, when the push-in operation is performed in a state of being mounted on the electronic device, the push-in load is applied to the external connection portion because the external connection portion is fixed to the electronic device by soldering or the like. Will join. By providing a permissible portion having a smaller width than the front and rear portions between the external connection portion and the fixed contact portion, the permissible portion bends in a small amount in the pushed direction when a push operation is performed. Thus, it is possible to absorb and reduce the load applied to the external connection portion. Therefore, it is difficult to cause a problem that the external connection portion soldered by the pushing operation is disconnected. Therefore, it is possible to provide a push switch with higher push resistance.
以上より、本発明によれば、押し込み耐性の高いプッシュスイッチを提供することができる。 As described above, according to the present invention, it is possible to provide a push switch with high push-in resistance.
［第１実施形態］
以下に第１実施形態におけるプッシュスイッチ１００について説明する。
[First Embodiment]
The push switch 100 in the first embodiment will be described below.
まず始めに第１実施形態におけるプッシュスイッチ１００の構成について図１ないし図１４を用いて説明する。図１は第１実施形態におけるプッシュスイッチ１００の構成を示す分解斜視図である。図２は第１実施形態におけるプッシュスイッチ１００の外観を示す図であり、図２（ａ）はプッシュスイッチ１００の外観を示す斜視図であり、図２（ｂ）は図２（ａ）におけるＺ２方向から見た状態のプッシュスイッチ１００を示す平面図である。図３は第１実施形態におけるプッシュスイッチ１００を基板にマウントした状態の例を示す図であり、図３（ａ）はプッシュスイッチ１００の基板へのマウント例を図２に示すＺ１方向側から見た状態を示す平面図であり、図３（ｂ）は図３（ａ）に示すＹ２方向側からプッシュスイッチ１００の基板へのマウント例を見た状態を示す側面図である。なお、図３（ｂ）においては、説明を容易にするために、基板ＣＢ１は断面で示している。図４は第１実施形態におけるケース３の外観を示す図であり、図４（ａ）はケース３の外観を示す斜視図であり、図４（ｂ）は図４（ａ）に示すＹ２方向側から見た状態のケース３を示す側面図である。図５は第１実施形態におけるケース３を第２ケース部材４と第１ケース部材５とに分解した状態を示す分解斜視図である。図６は第１実施形態における第２ケース部材４の外観を示す図であり、図６（ａ）は図５に示すＸ１方向側から見た状態の第２ケース部材４を示す正面図であり、図６（ｂ）は図５に示すＹ２方向側から見た状態の第２ケース部材４を示す側面図である。図７は第１実施形態における回路部材３０の形状を示す図であり、図７（ａ）は回路部材３０の形状を示す斜視図であり、図７（ｂ）は図７（ａ）に示すＺ１方向側から見た状態の回路部材３０を示す平面図である。図８は第１実施形態における第１ケース部材５の形状を示す図であり、図８（ａ）は図５に示すＸ２方向側から見た状態の第２ケース部材４を示す斜視図であり、図８（ｂ）は図５に示すＸ２方向側から見た状態の第２ケース部材４を示す背面図である。図９は図４に記載の断面線Ｂ−Ｂで切断した断面を示す断面図である。図１０は第１実施形態における可動接点部材２の外観を示す図であり、図１０（ａ）は可動接点部材２の外観を示す斜視図であり、図１０（ｂ）は図１０（ａ）に示すＺ２方向側から見た状態の可動接点部材２を示す側面図である。図１１は第１実施形態における操作部材１の外観を示す図であり、図１１（ａ）は操作部材１の外観を示す斜視図であり、図１１（ｂ）は図１１（ａ）に示すＸ２方向側から見た状態の操作部材１を示す斜視図であり、図１１（ｃ）は図１１（ａ）に示すＸ１方向側から見た状態の操作部材１を示す正面図である。図１２は第１実施形態におけるカバー部材６の外観を示す図であり、図１２（ａ）はカバー部材６の外観を示す斜視図であり、図１２（ｂ）はカバー部材６を前方カバー部材７と後方カバー部材８とに分解した状態を示す分解斜視図である。図１３は第１実施形態における前方カバー部材７の外観を示す図であり、図１３（ａ）は前方カバー部材７の外観を示す斜視図であり、図１３（ｂ）は図１３（ａ）に示すＤ部を図１３（ａ）に示すＸ１方向側から見た状態を拡大して示す拡大図である。図１４は第１実施形態における後方カバー部材８の外観を示す図であり、図１４（ａ）は後方カバー部材８の外観を示す斜視図であり、図１４（ｂ）は図１４（ａ）に示すＸ２方向側から見た状態の後方カバー部材８を示す斜視図である。なお、腕部８ｂの先端部８ｃは内方側へ折り曲げられた状態で図示されているが、前方カバー部材７との一体化前には腕部８ｂの突出する方向へ延びるように形成されている。 First, the configuration of the push switch 100 according to the first embodiment will be described with reference to FIGS. FIG. 1 is an exploded perspective view showing the configuration of the push switch 100 in the first embodiment. FIG. 2 is a view showing the appearance of the push switch 100 in the first embodiment, FIG. 2A is a perspective view showing the appearance of the push switch 100, and FIG. 2B is Z2 in FIG. It is a top view which shows the push switch 100 of the state seen from the direction. FIG. 3 is a diagram showing an example of a state in which the push switch 100 according to the first embodiment is mounted on a substrate, and FIG. 3A shows an example of mounting the push switch 100 on the substrate from the Z1 direction side shown in FIG. FIG. 3B is a side view showing a state in which the push switch 100 is mounted on the substrate from the Y2 direction side shown in FIG. 3A. In FIG. 3B, the substrate CB1 is shown in cross section for easy explanation. FIG. 4 is a view showing an appearance of the case 3 in the first embodiment, FIG. 4A is a perspective view showing an appearance of the case 3, and FIG. 4B is a Y2 direction shown in FIG. It is a side view which shows case 3 of the state seen from the side. FIG. 5 is an exploded perspective view showing a state in which the case 3 in the first embodiment is disassembled into the second case member 4 and the first case member 5. FIG. 6 is a view showing the appearance of the second case member 4 in the first embodiment, and FIG. 6A is a front view showing the second case member 4 in a state viewed from the X1 direction side shown in FIG. FIG. 6B is a side view showing the second case member 4 as seen from the Y2 direction side shown in FIG. FIG. 7 is a view showing the shape of the circuit member 30 in the first embodiment, FIG. 7A is a perspective view showing the shape of the circuit member 30, and FIG. 7B is shown in FIG. It is a top view which shows the circuit member 30 of the state seen from the Z1 direction side. FIG. 8 is a view showing the shape of the first case member 5 in the first embodiment, and FIG. 8A is a perspective view showing the second case member 4 as viewed from the X2 direction side shown in FIG. FIG. 8B is a rear view showing the second case member 4 as viewed from the X2 direction side shown in FIG. 9 is a cross-sectional view showing a cross section taken along the cross-sectional line BB shown in FIG. FIG. 10 is a view showing the appearance of the movable contact member 2 in the first embodiment, FIG. 10 (a) is a perspective view showing the appearance of the movable contact member 2, and FIG. 10 (b) is FIG. 10 (a). It is a side view which shows the movable contact member 2 of the state seen from the Z2 direction side shown. FIG. 11 is a view showing the appearance of the operation member 1 according to the first embodiment, FIG. 11 (a) is a perspective view showing the appearance of the operation member 1, and FIG. 11 (b) is shown in FIG. 11 (a). It is a perspective view which shows the operation member 1 in the state seen from the X2 direction side, FIG.11 (c) is a front view which shows the operation member 1 in the state seen from the X1 direction side shown to Fig.11 (a). FIG. 12 is a view showing the appearance of the cover member 6 in the first embodiment, FIG. 12 (a) is a perspective view showing the appearance of the cover member 6, and FIG. 12 (b) is a view showing the cover member 6 as a front cover member. 7 is an exploded perspective view showing a state in which the cover 7 and the rear cover member 8 are disassembled. FIG. 13 is a view showing the appearance of the front cover member 7 in the first embodiment, FIG. 13 (a) is a perspective view showing the appearance of the front cover member 7, and FIG. 13 (b) is a view in FIG. It is an enlarged view which expands and shows the state which looked at D part shown to X1 direction side shown to Fig.13 (a). FIG. 14 is a view showing the appearance of the rear cover member 8 in the first embodiment, FIG. 14 (a) is a perspective view showing the appearance of the rear cover member 8, and FIG. 14 (b) is FIG. 14 (a). It is a perspective view which shows the back cover member 8 of the state seen from the X2 direction side shown. Although the tip 8c of the arm 8b is shown in a state where it is bent inward, it is formed so as to extend in the protruding direction of the arm 8b before being integrated with the front cover member 7. Yes.
プッシュスイッチ１００は、図１に示すように、操作部材１と、可動接点部材２と、固定接点部４ａを有し第２ケース部材４と第１ケース部材５とからなるケース３と、前方カバー部材７と後方カバー部材８とからなるカバー部材６と、シート部材９とを備え、図２および図３に示すように、前方カバー部材７から突出した操作部材１を押圧操作することで、可動接点部材２と固定接点部４ａとの電気的な導通状態を切り替えることが可能となる。 As shown in FIG. 1, the push switch 100 includes an operation member 1, a movable contact member 2, a case 3 that includes a fixed contact portion 4 a and includes a second case member 4 and a first case member 5, and a front cover. A cover member 6 including a member 7 and a rear cover member 8 and a seat member 9 are provided. As shown in FIGS. 2 and 3, the operation member 1 protruding from the front cover member 7 is pressed and operated. It is possible to switch the electrical continuity between the contact member 2 and the fixed contact portion 4a.
ケース３は合成樹脂材からなり、図４に示すように、直方体状に形成されている。ケース３は、中空に形成されるとともに、固定接点部４ａを有する空間部３ａを内部に備えている。空間部３ａは前方側（Ｘ１方向側）が開放された開口部５ｅを備えている。ケース３は開口部５ｅが設けられた側の反対側に突出するように形成された本体部４ｋを有し、本体部４ｋには、後方側の端部から前方へ向かって一部切り欠かれた切り欠き部４ｍを有している。なお、第１実施形態においては、ケース３は図５に示すように、第２ケース部材４と第１ケース部材５との２つの部品からなる。 The case 3 is made of a synthetic resin material and is formed in a rectangular parallelepiped shape as shown in FIG. The case 3 is formed hollow and includes a space 3a having a fixed contact 4a therein. The space 3a is provided with an opening 5e whose front side (X1 direction side) is open. The case 3 has a main body part 4k formed so as to protrude to the opposite side of the side where the opening 5e is provided. The main body part 4k is partially cut away from the rear end part toward the front. It has a notch 4m. In the first embodiment, the case 3 includes two parts, a second case member 4 and a first case member 5, as shown in FIG.
第２ケース部材４は合成樹脂材からなり、図６に示すような、直方体状に形成され、本体部４ｋを形成している。本体部４ｋの一方側（Ｘ２方向側）の下方側（Ｚ２方向側）には、一部切り欠かれた切り欠き部４ｍが形成されている。また、第２ケース部材４には、金属板からなる回路部材３０がインサート成型されており、一部が第２ケース部材４から露出して設けられている。第２ケース部材４は、空間部３ａの一部である第２空間部４ｂを備えている。第２空間部４ｂは他方側（Ｘ１方向側）に開口した第２開口４ｃを有するとともに、第２開口４ｃのある第２対向面４ｄを有している。なお、第２対向面４ｄは平坦な面状に形成されている。また、第２開口４ｃの外形形状は、長手辺が直線形状で、短手辺が円弧形状の長方形状に形成されている。また、第２空間部４ｂの第２開口４ｃに対向する側（Ｘ２方向側）の一面である最奥面４ｅには、金属板からなる固定接点部４ａが形成されている。固定接点部４ａは、最奥面４ｅの中央部分に形成される第１固定接点部４ｆと、最奥面４ｅにおいて第２空間部４ｂの長手側の壁の近くに形成される第２固定接点部４ｇと、からなる。なお、第１実施形態においては、第２固定接点部４ｇはＺ２方向側の長手側の壁の近くに露出して形成されている。第１固定接点部４ｆおよび第２固定接点部４ｇは、第２開口４ｃがある方向へ突出するとともに、突出方向の先端が平坦な面に形成された接触部４ｈを有している。第１固定接点部４ｆは、接触部４ｈのひとつである中央接触部４ｎと、中央接触部４ｎに連続して最奥面４ｅから露出するとともに、中央接触部４ｎの周囲へ延出された延出部４ｐと、を有し、第２固定接点部４ｇは、接触部４ｈのひとつである周辺接触部４ｑを、中央接触部４ｎの両側となる位置に１つずつ有している。なお、本体部４ｋは、最奥面４ｅの後方側に突出するように形成されており、中央接触部４ｎは、最奥面４ｅの本体部４ｋに対応した箇所に配置されているとともに、周辺接触部４ｑは、最奥面４ｅの切り欠き部４ｍに対応した箇所に配置されている。また、最奥面４ｅの第１固定接点部４ｆを挟んで第２固定接点部４ｇに対向する位置となる部分は、周辺接触部４ｑと同じ高さとなるように突出している。また、第２ケース部材４は、ケース３の後方側（Ｘ２方向側）である本体部４ｋの後方側の端部に、金属材からなり本体部４ｋから露出した２つの外部接続端子４ｒを有している。なお、第１固定接点部４ｆおよび第２固定接点部４ｇから固定接点部４ａと、外部接続端子４ｒと、は、第２ケース部材４にインサート成型された回路部材３０の一部が露出したものである。回路部材３０は、図７に示すように、２つの金属板を板金加工して形成されている。回路部材３０は、一端に固定接点部４ａを有するとともに、他端には外部接続端子４ｒを有している。すなわち、回路部材３０は、一端に第１固定接点部４ｆを有するとともに、他端に一方の外部接続端子４ｒを有するものと、一端に第２固定接点部４ｇを有するとともに、他端に他方の外部接続端子４ｒを有するものと、の２つからなり、第１固定接点部４ｆと第２固定接点部４ｇとは、電気的に絶縁されている。また、回路部材３０の固定接点部４ａと外部接続端子４ｒとの間には、上方（Ｚ１方向）からの平面視で、回路部材３０が延出する方向（Ｘ１−Ｘ２方向）に対して交差する方向へ延出する許容部４ｓが形成されている。許容部４ｓの幅寸法（ｗ１）は、回路部材３０の許容部４ｓを間に挟んだ箇所の幅寸法（ｗ２およびｗ３）よりも小さい。 The second case member 4 is made of a synthetic resin material, is formed in a rectangular parallelepiped shape as shown in FIG. 6, and forms a main body portion 4k. On the lower side (Z2 direction side) on one side (X2 direction side) of the main body portion 4k, a notch portion 4m that is partially cut is formed. The second case member 4 is insert-molded with a circuit member 30 made of a metal plate, and a part of the circuit member 30 is exposed from the second case member 4. The second case member 4 includes a second space portion 4b that is a part of the space portion 3a. The second space 4b has a second opening 4c that opens to the other side (X1 direction side) and a second facing surface 4d that has the second opening 4c. The second facing surface 4d is formed in a flat surface shape. Further, the outer shape of the second opening 4c is formed in a rectangular shape having a long side having a linear shape and a short side having an arc shape. A fixed contact portion 4a made of a metal plate is formed on the innermost surface 4e that is one surface (X2 direction side) of the second space 4b that faces the second opening 4c. The fixed contact portion 4a includes a first fixed contact portion 4f formed at the center of the innermost surface 4e and a second fixed contact formed near the longitudinal wall of the second space portion 4b on the innermost surface 4e. Part 4g. In the first embodiment, the second fixed contact portion 4g is formed so as to be exposed near the longitudinal wall on the Z2 direction side. The first fixed contact portion 4f and the second fixed contact portion 4g have a contact portion 4h that protrudes in a direction in which the second opening 4c is present and that has a flat end at the protruding direction. The first fixed contact portion 4f is exposed from the innermost contact surface 4n, which is one of the contact portions 4h, and the innermost contact surface 4n, and is extended to the periphery of the central contact portion 4n. The second fixed contact portion 4g has one peripheral contact portion 4q, which is one of the contact portions 4h, at a position on both sides of the central contact portion 4n. The main body 4k is formed so as to protrude to the rear side of the innermost surface 4e, and the central contact portion 4n is disposed at a position corresponding to the main body 4k of the innermost surface 4e, The contact portion 4q is disposed at a location corresponding to the cutout portion 4m of the innermost surface 4e. Further, the portion of the innermost surface 4e that faces the second fixed contact portion 4g across the first fixed contact portion 4f protrudes so as to have the same height as the peripheral contact portion 4q. The second case member 4 has two external connection terminals 4r made of a metal material and exposed from the main body portion 4k at the rear end portion of the main body portion 4k, which is the rear side (X2 direction side) of the case 3. doing. Note that the fixed contact portion 4a and the external connection terminal 4r from the first fixed contact portion 4f and the second fixed contact portion 4g and a part of the circuit member 30 insert-molded in the second case member 4 are exposed. It is. As shown in FIG. 7, the circuit member 30 is formed by processing two metal plates. The circuit member 30 has a fixed contact portion 4a at one end and an external connection terminal 4r at the other end. That is, the circuit member 30 has a first fixed contact portion 4f at one end and one external connection terminal 4r at the other end, a second fixed contact portion 4g at one end, and the other at the other end. The first fixed contact portion 4f and the second fixed contact portion 4g are electrically insulated from each other. Further, between the fixed contact portion 4a of the circuit member 30 and the external connection terminal 4r, it intersects the direction (X1-X2 direction) in which the circuit member 30 extends in a plan view from above (Z1 direction). An allowable portion 4s extending in the direction to be formed is formed. The width dimension (w1) of the allowance part 4s is smaller than the width dimension (w2 and w3) of the location where the allowance part 4s of the circuit member 30 is sandwiched therebetween.
第１ケース部材５は合成樹脂材からなり、図８に示すように、直方体状に形成されており、内部には空間部３ａの一部である第１空間部５ａを備えている。また、第１ケース部材５は、一方側（Ｘ２方向側）に第１空間部５ａが開口した第１開口５ｂのある第１対向面５ｃを有し、他方側（Ｘ１方向側）には第１空間部５ａに貫通するとともに、長方形状の開口形状に形成された開口部５ｅを有する。なお、第１対向面５ｃは平坦な面状に形成されている。また、第１開口５ｂの外形形状は長方形状に形成され、長方形の四隅の部分には、上下方向（Ｚ１−Ｚ２方向）へ突出するように突出形状部５ｄを有している。 The first case member 5 is made of a synthetic resin material and is formed in a rectangular parallelepiped shape as shown in FIG. 8, and includes a first space portion 5a that is a part of the space portion 3a. The first case member 5 has a first facing surface 5c having a first opening 5b in which the first space 5a is opened on one side (X2 direction side), and the first case member 5 on the other side (X1 direction side). It has the opening part 5e formed in the rectangular opening shape while penetrating 1 space part 5a. The first facing surface 5c is formed in a flat surface shape. Further, the outer shape of the first opening 5b is formed in a rectangular shape, and protruding portions 5d are formed at the four corners of the rectangle so as to protrude in the vertical direction (Z1-Z2 direction).
このように形成された第２ケース部材４と第１ケース部材５とは、第２対向面４ｄと第１対向面５ｃとを対向させて係合され、図４に示すように、ケース３を形成する。また、第２ケース部材４と第１ケース部材５とが係合することで、第２空間部４ｂと第１空間部５ａとが連結され、空間部３ａが形成される。なお、第２空間部４ｂと第１空間部５ａとが連結され、第１開口５ｂの外形形状を第２開口４ｃの外形形状に重ねたとき、図９に示すように、第１開口５ｂの外形形状は第２開口４ｃの外形形状から突出形状部５ｄがはみ出している。すなわち、第１開口５ｂの一部と第２対向面４ｄの一部とが対向するように配置されている。 The second case member 4 and the first case member 5 formed in this way are engaged with the second facing surface 4d and the first facing surface 5c facing each other, and as shown in FIG. Form. Moreover, the 2nd space part 4b and the 1st space part 5a are connected by the 2nd case member 4 and the 1st case member 5 engaging, and the space part 3a is formed. In addition, when the 2nd space part 4b and the 1st space part 5a are connected and the external shape of the 1st opening 5b is piled up on the external shape of the 2nd opening 4c, as shown in FIG. 9, as shown in FIG. As for the outer shape, the protruding shape portion 5d protrudes from the outer shape of the second opening 4c. That is, it arrange | positions so that a part of 1st opening 5b and a part of 2d opposing surface 4d may oppose.
可動接点部材２は、ばね性を有する金属薄板からなり、図１０に示すように、平面視で長方形状に形成されている。可動接点部材２は、アーチ状に湾曲し、押圧操作により反転動作可能な可動接点部２ａを有している。また、可動接点部２ａの両側（Ｚ１方向側とＺ２方向側）には、スリット２ｂを介して、載置された面に常時接触するための常接接点部２ｃが配置されている。また、可動接点部材２は、可動接点部２ａと常接接点部２ｃとの両端を一体に連結する連結部２ｄを備えている。このように形成された可動接点部材２は、ばね性を有し、可動接点部２ａをアーチ形状の頂部２ｅ側から押圧されると、押圧された方向へ撓み、押圧を解除されると押圧前の状態に戻る。また、可動接点部２ａ、常接接点部２ｃおよび連結部２ｄにより形成される可動接点部材２は、頂部２ｅ側から平面視したときに、外形形状が第２ケース部材４の第２開口４ｃの外形形状に沿うように形成されている。なお、第１実施形態においては、１枚の可動接点部材２を用いている。 The movable contact member 2 is made of a thin metal plate having spring properties, and is formed in a rectangular shape in plan view as shown in FIG. The movable contact member 2 has a movable contact portion 2a that is curved in an arch shape and can be reversed by a pressing operation. Further, on both sides (Z1 direction side and Z2 direction side) of the movable contact portion 2a, a regular contact portion 2c for always contacting the placed surface is disposed via the slit 2b. The movable contact member 2 includes a connecting portion 2d that integrally connects both ends of the movable contact portion 2a and the regular contact portion 2c. The movable contact member 2 formed in this manner has a spring property, and when the movable contact portion 2a is pressed from the arch-shaped top portion 2e side, the movable contact member 2 bends in the pressed direction, and when the pressure is released, before the press. Return to the state. Further, the movable contact member 2 formed by the movable contact portion 2a, the regular contact portion 2c and the connecting portion 2d has an outer shape of the second opening 4c of the second case member 4 when viewed from the top 2e side. It is formed along the outer shape. In the first embodiment, one movable contact member 2 is used.
操作部材１は合成樹脂材からなり、図１１に示すように、直方体状に形成されている。操作部材１は直方体状に形成されたボタン部１ｃを有しており、ボタン部１ｃは第１ケース部材５の開口部５ｅに挿通可能な大きさに形成されている。また、操作部材１はボタン部１ｃの一方端側（Ｘ２方向側）の側面に、側方（Ｙ１−Ｙ２方向）へ突出し、板状に形成された鍔部１ｄを有する。操作部材１をボタン部１ｃの他方端側（Ｘ１方向側）から平面視したときに、鍔部１ｄは長方形状に形成され、四隅に上下方向（Ｚ１−Ｚ２方向）へ突出するように形成された、突出部１ａを有している。また、鍔部１ｄの外形形状は、第１ケース部材５の第１開口５ｂの外形形状に沿うように形成されており、突出部１ａの外形形状は、第１ケース部材５の突出形状部５ｄの外形形状に沿うように形成されている。また、操作部材１は、ボタン部１ｃの一方端側の端面に、一方へ突出して形成されたアクチュエータ部１ｂを有する。アクチュエータ部１ｂは、可動接点部材２を撓ませることが可能で、かつ第２ケース部材４を破損させない所定の荷重が加わったときに、潰れる（塑性変形する）程度の強度を備えている。 The operation member 1 is made of a synthetic resin material, and is formed in a rectangular parallelepiped shape as shown in FIG. The operation member 1 has a button portion 1 c formed in a rectangular parallelepiped shape, and the button portion 1 c is formed in a size that can be inserted into the opening 5 e of the first case member 5. Further, the operation member 1 has a flange portion 1d that protrudes laterally (Y1-Y2 direction) on the side surface on one end side (X2 direction side) of the button portion 1c and is formed in a plate shape. When the operation member 1 is viewed in plan from the other end side (X1 direction side) of the button portion 1c, the flange portion 1d is formed in a rectangular shape, and is formed so as to protrude in the vertical direction (Z1-Z2 direction) at the four corners. Moreover, it has the protrusion part 1a. Further, the outer shape of the flange portion 1 d is formed so as to follow the outer shape of the first opening 5 b of the first case member 5, and the outer shape of the protruding portion 1 a is the protruding shape portion 5 d of the first case member 5. It is formed so as to follow the outer shape of the. Further, the operation member 1 has an actuator portion 1b formed to protrude to one side on the end face on one end side of the button portion 1c. The actuator portion 1b has such a strength that it can be bent (plastically deformed) when a predetermined load that can bend the movable contact member 2 and does not damage the second case member 4 is applied.
カバー部材６は金属板からなり、図１２に示すように、開口形状が長方形の筒状に形成されている。カバー部材６は、前方カバー部材７と後方カバー部材８とが係合され、一体化することで形成されている。 The cover member 6 is made of a metal plate, and has an opening shape of a rectangular tube as shown in FIG. The cover member 6 is formed by engaging and integrating the front cover member 7 and the rear cover member 8.
前方カバー部材７は金属板からなり、図１３に示すように、平板状に形成されている。前方カバー部材７は、図４に示すＸ１方向側からケース３を平面視したときに、空間部３ａを覆うことができる大きさの平板状に形成された板状部７ｄを有している。前方カバー部材７は、板状部７ｄの中央部に貫通穴７ａと、板状部７ｄの両端側（Ｙ１方向側およびＹ２方向側）に後方カバー部材８と係合される係合部７ｂとが設けられている。貫通穴７ａは操作部材１のボタン部１ｃが挿通可能な大きさに形成された貫通孔である。また、第１実施形態においては、係合部７ｂは貫通孔からなる係合穴部７ｃである。なお、係合穴部７ｃの開口形状は幅方向（Ｙ１−Ｙ２方向）における外方側が円弧形状となっている。すなわち、板状部７ｄのＹ１方向側に設けられた係合穴部７ｃにおいては、係合穴部７ｃの開口形状はＹ１方向側が円弧形状となっており、板状部７ｄのＹ２方向側に設けられた係合穴部７ｃにおいては、係合穴部７ｃの開口形状はＹ２方向側が円弧形状となっている。 The front cover member 7 is made of a metal plate and is formed in a flat plate shape as shown in FIG. The front cover member 7 has a plate-like portion 7d formed in a flat plate shape having a size capable of covering the space portion 3a when the case 3 is viewed in plan from the X1 direction side shown in FIG. The front cover member 7 includes a through hole 7a at the center of the plate-like portion 7d, and an engaging portion 7b that engages with the rear cover member 8 at both ends (Y1 direction side and Y2 direction side) of the plate-like portion 7d. Is provided. The through hole 7a is a through hole formed in a size that allows the button portion 1c of the operation member 1 to be inserted. Moreover, in 1st Embodiment, the engaging part 7b is the engaging hole part 7c which consists of a through-hole. In addition, the opening shape of the engagement hole 7c has an arc shape on the outer side in the width direction (Y1-Y2 direction). That is, in the engagement hole portion 7c provided on the Y1 direction side of the plate-like portion 7d, the opening shape of the engagement hole portion 7c is an arc shape on the Y1 direction side, and on the Y2 direction side of the plate-like portion 7d. In the provided engagement hole 7c, the opening shape of the engagement hole 7c has an arc shape on the Y2 direction side.
後方カバー部材８は金属板からなり、図１４に示すように、Ｕ字形状に形成されている。後方カバー部材８は平板状に形成された基部８ａと、基部８ａの両端から前方側（Ｘ１方向側）にそれぞれ延出している腕部８ｂとを備えている。なお、腕部８ｂの先端部８ｃは、前方カバー部材７の係合穴部７ｃに挿入可能に形成されている。また、後方カバー部材８は、それぞれの腕部８ｂの下端部から幅方向（Ｙ１−Ｙ２方向）の外側へ突出した取付板部８ｄを有している。取付板部８ｄは、平板状に形成され、取付板部８ｄの突出方向端部の、前方側（Ｘ１方向側）には、下方へ突出するように形成された取付突起８ｅが形成されている。 The rear cover member 8 is made of a metal plate and is formed in a U shape as shown in FIG. The rear cover member 8 includes a base portion 8a formed in a flat plate shape, and arm portions 8b extending from the both ends of the base portion 8a to the front side (X1 direction side). In addition, the front-end | tip part 8c of the arm part 8b is formed so that insertion to the engagement hole part 7c of the front cover member 7 is possible. Further, the rear cover member 8 has a mounting plate portion 8d that protrudes outward in the width direction (Y1-Y2 direction) from the lower end portion of each arm portion 8b. The mounting plate portion 8d is formed in a flat plate shape, and a mounting protrusion 8e formed so as to protrude downward is formed on the front side (X1 direction side) of the end portion in the protruding direction of the mounting plate portion 8d. .
このように形成された前方カバー部材７と後方カバー部材８とは、図１２に示すように、前方カバー部材７の係合部７ｂに後方カバー部材８の腕部８ｂがそれぞれ係合されて前方カバー部材７と後方カバー部材８とが一体化され、カバー部材６を形成している。すなわち、後方カバー部材８の腕部８ｂの先端部８ｃが、前方カバー部材７の係合部７ｂである係合穴部７ｃに挿入されて、内方側に折り曲げられて係合されることで、カバー部材６が形成される。 As shown in FIG. 12, the front cover member 7 and the rear cover member 8 formed in this way are engaged with the engagement portion 7b of the front cover member 7 and the arm portion 8b of the rear cover member 8 respectively. The cover member 7 and the rear cover member 8 are integrated to form the cover member 6. That is, the distal end portion 8c of the arm portion 8b of the rear cover member 8 is inserted into the engagement hole portion 7c which is the engagement portion 7b of the front cover member 7, and is bent and engaged inward. The cover member 6 is formed.
シート部材９は合成樹脂材のシート材からなり、図１に示すように、長方形状のシート状に形成され、屈曲性を有している。なお、シート部材９は、第２ケース部材４の第２空間部４ｂを覆うことができる大きさに形成されている。また、シート部材９は、一方の面（Ｘ２方向側の面）に粘着剤が全面に塗布された粘着面９ａを有する。 The sheet member 9 is made of a synthetic resin sheet material, and is formed in a rectangular sheet shape and has flexibility as shown in FIG. The sheet member 9 is formed in a size that can cover the second space 4b of the second case member 4. Further, the sheet member 9 has an adhesive surface 9a on one surface (surface on the X2 direction side) in which an adhesive is applied over the entire surface.
次にプッシュスイッチ１００の構造について図９および図１５を用いて説明する。図１５は図４（ｂ）に記載の断面線Ｃ−Ｃで切断した断面を示す模式断面図である。なお、説明を容易にするため、第２固定接点部４ｇの位置は実際の位置とは異なる。 Next, the structure of the push switch 100 will be described with reference to FIGS. FIG. 15 is a schematic cross-sectional view showing a cross section taken along the cross-sectional line CC shown in FIG. For ease of explanation, the position of the second fixed contact portion 4g is different from the actual position.
図１５に示すように、可動接点部材２は第２ケース部材４の第２空間部４ｂ内に収容される。可動接点部材２は可動接点部２ａが前方（Ｘ１方向）へ突出する向きに配置され、一方（図１０に示すＺ２方向側）の常接接点部２ｃは第２空間部４ｂの最奥面４ｅに露出する第２固定接点部４ｇの接触部４ｈ（図６参照）と接触し、他方の常接接点部２ｃは、最奥面４ｅの第１固定接点部４ｆを挟んで第２固定接点部４ｇに対向する位置に周辺接触部４ｑと同じ高さとなるように突出している箇所（図６参照）に接触している。なお、可動接点部２ａは第１固定接点部４ｆとは離間している。シート部材９は、粘着面９ａが第２空間部４ｂに対向する向きで、可動接点部材２が配置された第２空間部４ｂを覆うように配置される。シート部材９は粘着面９ａの粘着力により第２ケース部材４の第２対向面４ｄに保持されるとともに、可動接点部材２を第２空間部４ｂ内に保持して、可動接点部材２と第２固定接点部４ｇとは常時接触される。シート部材９は屈曲性を有しているため、シート部材９を介して押圧された場合には、可動接点部材２の可動接点部２ａは第２空間部４ｂ内でも可動可能で、かつ中央接触部４ｎ（図６参照）と接触可能な位置に保持されている。操作部材１は、ボタン部１ｃを第１空間部５ａ側から開口部５ｅに挿通した状態で、第１ケース部材５の第１空間部５ａ内に保持される。なお、操作部材１は、その一部（突出部１ａ（図１１参照））が突出形状部５ｄ（図８参照）に配置されるとともに案内され、第１空間部５ａ内をスライド移動可能に保持されている。第１空間部５ａ内に操作部材１を保持した第１ケース部材５は、操作部材１のアクチュエータ部１ｂがシート部材９と対向する向きで、第２ケース部材４と係合する。すなわち、第１対向面５ｃと第２対向面４ｄとでシート部材９を挟み込み、第１空間部５ａと第２空間部４ｂとが、操作部材１及び可動接点部材２を収容する空間部３ａを形成するように係合する。このように第１ケース部材５と第２ケース部材４とを係合することで、操作部材１のアクチュエータ部１ｂと可動接点部材２の可動接点部２ａとはシート部材９を介して接触する。また、前方カバー部材７は、操作部材１のボタン部１ｃが貫通穴７ａから突出した状態で、空間部３ａを覆うように第１ケース部材５と係合している。また、後方カバー部材８は、基部８ａでケース３（第２ケース部材４）の後方側を覆うとともに、腕部８ｂを前方に延出させた状態で第２ケース部材４と係合している。また前方へ延出した腕部８ｂが、前方カバー部材７の係合部７ｂにそれぞれ係合されて前方カバー部材７と後方カバー部材８とが一体化され、カバー部材６が形成されている。なお、第１実施形態においては、係合部７ｂと腕部８ｂとの係合は、後方カバー部材８の腕部８ｂの先端部８ｃが、前方カバー部材７の係合穴部７ｃに挿入され、前方カバー部材７の前方側にて内方側に折り曲げられて係合することで行われている。このように、カバー部材６（図１２参照）が形成されることで、第１ケース部材５と第２ケース部材４とは、シート部材９を圧接挟持する。このようにして第１実施形態におけるプッシュスイッチ１００は構成される。プッシュスイッチ１００が形成されると、図９に示すように、突出形状部５ｄの一部と第２対向面４ｄの一部とが対向するように配置されている。したがって、突出形状部５ｄに沿って移動可能に配置される操作部材１の突出部１ａは、第２対向面４ｄに接触可能な位置に配置されている。ただし、操作部材１を介して可動接点部材２を押圧し、可動接点部２ａを固定接点部４ａ（第１固定接点部４ｆ）に接触させたときに、突出部１ａは第２対向面４ｄから離間している。また、第２開口４ｃの外形形状の長手辺と短手辺とが交差する箇所が突出形状部５ｄに対応した箇所に配置されているため、操作部材１の突出部１ａは、第２開口４ｃの外形形状の長手辺と短手辺とが交差する箇所で、第２対向面４ｄに接触可能な位置に配置されている。また、第２ケース部材４の第２対向面４ｄにおいて、操作部材１の突出部１ａが当接可能な位置は、横方向における第２固定接点部４ｇの接触部４ｈの外方側に位置している。なお、図９においては、シート部材９を図示していないが、実際には、第１ケース部材５の第１対向面５ｃと第２ケース部材４の第２対向面４ｄとの間にはシート部材９が挟まれている。 As shown in FIG. 15, the movable contact member 2 is accommodated in the second space 4 b of the second case member 4. The movable contact member 2 is arranged in such a direction that the movable contact portion 2a protrudes forward (X1 direction), and one (the Z2 direction side shown in FIG. 10) normal contact portion 2c is the innermost surface 4e of the second space portion 4b. The contact portion 4h (see FIG. 6) of the second fixed contact portion 4g exposed to the second contact point contact portion 4h (see FIG. 6), and the other permanent contact portion 2c sandwiches the first fixed contact portion 4f on the innermost surface 4e. It is in contact with a location (see FIG. 6) that protrudes to the same height as the peripheral contact portion 4q at a position facing 4g. The movable contact portion 2a is separated from the first fixed contact portion 4f. The sheet member 9 is disposed so as to cover the second space portion 4b in which the movable contact member 2 is disposed, with the adhesive surface 9a facing the second space portion 4b. The sheet member 9 is held on the second facing surface 4d of the second case member 4 by the adhesive force of the adhesive surface 9a, and the movable contact member 2 is held in the second space portion 4b so that the movable contact member 2 and the second contact surface 2 2 is always in contact with the fixed contact 4g. Since the sheet member 9 is flexible, when the sheet member 9 is pressed through the sheet member 9, the movable contact part 2a of the movable contact member 2 is movable in the second space 4b and is in the center contact. It is held at a position where it can come into contact with the portion 4n (see FIG. 6). The operation member 1 is held in the first space portion 5a of the first case member 5 in a state where the button portion 1c is inserted through the opening portion 5e from the first space portion 5a side. Note that a part of the operation member 1 (protruding portion 1a (see FIG. 11)) is arranged and guided in the protruding shape portion 5d (see FIG. 8), and is slidably held in the first space portion 5a. Has been. The first case member 5 holding the operation member 1 in the first space 5 a engages with the second case member 4 in a direction in which the actuator portion 1 b of the operation member 1 faces the sheet member 9. That is, the sheet member 9 is sandwiched between the first facing surface 5c and the second facing surface 4d, and the first space portion 5a and the second space portion 4b define the space portion 3a that houses the operation member 1 and the movable contact member 2. Engage to form. By engaging the first case member 5 and the second case member 4 in this manner, the actuator portion 1b of the operation member 1 and the movable contact portion 2a of the movable contact member 2 are brought into contact via the sheet member 9. The front cover member 7 is engaged with the first case member 5 so as to cover the space portion 3a in a state where the button portion 1c of the operation member 1 protrudes from the through hole 7a. The rear cover member 8 covers the rear side of the case 3 (second case member 4) with the base portion 8a, and engages with the second case member 4 with the arm portion 8b extending forward. . Further, the arm portion 8 b extending forward is engaged with the engaging portion 7 b of the front cover member 7, and the front cover member 7 and the rear cover member 8 are integrated to form the cover member 6. In the first embodiment, the engagement between the engagement portion 7 b and the arm portion 8 b is such that the tip end portion 8 c of the arm portion 8 b of the rear cover member 8 is inserted into the engagement hole portion 7 c of the front cover member 7. The front cover member 7 is bent and engaged inward on the front side. Thus, the cover member 6 (refer FIG. 12) is formed, and the 1st case member 5 and the 2nd case member 4 press-clamp the sheet | seat member 9 between them. In this way, the push switch 100 in the first embodiment is configured. When the push switch 100 is formed, as shown in FIG. 9, a part of the projecting shape part 5d and a part of the second facing surface 4d are arranged to face each other. Therefore, the protruding portion 1a of the operating member 1 that is movably disposed along the protruding shape portion 5d is disposed at a position that can contact the second facing surface 4d. However, when the movable contact member 2 is pressed via the operation member 1 and the movable contact portion 2a is brought into contact with the fixed contact portion 4a (first fixed contact portion 4f), the protruding portion 1a is separated from the second facing surface 4d. It is separated. In addition, since the portion where the long side and the short side of the outer shape of the second opening 4c intersect is disposed at a position corresponding to the protruding shape portion 5d, the protruding portion 1a of the operation member 1 is provided with the second opening 4c. The outer shape is disposed at a position where the long side and the short side intersect with each other so as to be in contact with the second facing surface 4d. Further, on the second facing surface 4d of the second case member 4, the position where the protruding portion 1a of the operation member 1 can contact is located on the outer side of the contact portion 4h of the second fixed contact portion 4g in the lateral direction. ing. Although the sheet member 9 is not shown in FIG. 9, the sheet is actually between the first facing surface 5 c of the first case member 5 and the second facing surface 4 d of the second case member 4. The member 9 is sandwiched.
次にプッシュスイッチ１００の動作について図１５ないし図１７を用いて説明する。図１６は図１５に示す状態から押圧操作された後の状態を示す模式断面図である。図１７は第１実施形態におけるプッシュスイッチ１００がオーバーストロークになった状態を示す模式断面図である。 Next, the operation of the push switch 100 will be described with reference to FIGS. 16 is a schematic cross-sectional view showing a state after a pressing operation is performed from the state shown in FIG. FIG. 17 is a schematic cross-sectional view showing a state where the push switch 100 according to the first embodiment has an overstroke.
図１５に示す状態は、プッシュスイッチ１００が操作されていない初期状態を示している。図１５に示す状態においては、常接接点部２ｃは第２固定接点部４ｇと接触しているが、可動接点部２ａは第１固定接点部４ｆとは離間している。つまり、図１５に示す状態は、第１固定接点部４ｆと第２固定接点部４ｇとの電気的な導通は無い状態である。図１５に示す状態から、図１６に示すように、操作部材１を後方側（Ｘ２方向）へ押圧すると、シート部材９を介して可動接点部２ａに接触するアクチュエータ部１ｂは可動接点部２ａを後方側へ押圧する。押圧された可動接点部２ａは後方側へ撓んだ後に反転し、第１固定接点部４ｆに接触する。可動接点部２ａと第１固定接点部４ｆとが接触することで、第１固定接点部４ｆと第２固定接点部４ｇとは、可動接点部材２を介して電気的に導通される。また、操作部材１への押圧を解除すると、可動接点部２ａの弾性力により、図１５に示す初期状態に復帰し、第１固定接点部４ｆと第２固定接点部４ｇとの電気的な導通は無い状態となる。このように、可動接点部材２と第１固定接点部４ｆとが接離し、第１固定接点部４ｆと第２固定接点部４ｇとの電気的な導通状態を切り替えることで入力を行なうことができ、外部と電気的に接続可能な外部接続端子４ｒを介して入力信号として出力され、プッシュスイッチとして機能する。また、可動接点部２ａと第１固定接点部４ｆとが接触するとき、操作部材１の鍔部１ｄ（突出部１ａ（図１１参照））と第２ケース部材４の第２対向面４ｄとは離間している。しかし、操作者により操作部材１を必要以上の力で押し込み操作された場合や、プッシュスイッチ１００が取り付けられた電子機器などを誤って落下させ、操作部材１を押圧する方向に衝撃が加わった場合など、可動接点部２ａと第１固定接点部４ｆとが接触したあとにオーバーストロークになる場合もある。このようなオーバーストロークとなった場合には、図１７に示すように、操作部材１のアクチュエータ部１ｂが潰れるとともに、突出部１ａ（図１１参照）が第２ケース部材４の第２対向面４ｄに接触し、操作部材１がさらに後方へ押し込まれるのを阻止する。なお、図１７においては、アクチュエータ部１ｂがほとんどなくなるまで潰れるように図示しているが、実際には、アクチュエータ部１ｂの先端部が潰れる程度であり、アクチュエータ部１ｂの先端部が潰れた後であっても、プッシュスイッチ１００への入力操作は可能である。 The state shown in FIG. 15 shows an initial state where the push switch 100 is not operated. In the state shown in FIG. 15, the normal contact portion 2 c is in contact with the second fixed contact portion 4 g, but the movable contact portion 2 a is separated from the first fixed contact portion 4 f. That is, the state shown in FIG. 15 is a state where there is no electrical continuity between the first fixed contact portion 4f and the second fixed contact portion 4g. When the operating member 1 is pressed backward (X2 direction) from the state shown in FIG. 15, the actuator portion 1 b that contacts the movable contact portion 2 a via the sheet member 9 moves the movable contact portion 2 a. Press backwards. The pressed movable contact portion 2a bends backward and then reverses to contact the first fixed contact portion 4f. When the movable contact portion 2a and the first fixed contact portion 4f come into contact with each other, the first fixed contact portion 4f and the second fixed contact portion 4g are electrically connected via the movable contact member 2. Further, when the pressure on the operating member 1 is released, the initial state shown in FIG. 15 is restored by the elastic force of the movable contact portion 2a, and electrical conduction between the first fixed contact portion 4f and the second fixed contact portion 4g. There will be no state. As described above, the movable contact member 2 and the first fixed contact portion 4f are brought into contact with and separated from each other, and the input can be performed by switching the electrical conduction state between the first fixed contact portion 4f and the second fixed contact portion 4g. It is output as an input signal via the external connection terminal 4r that can be electrically connected to the outside, and functions as a push switch. Further, when the movable contact portion 2a and the first fixed contact portion 4f come into contact with each other, the flange portion 1d (protruding portion 1a (see FIG. 11)) of the operation member 1 and the second facing surface 4d of the second case member 4 are It is separated. However, when the operation member 1 is pushed in with an excessive force by the operator, or when an electronic device or the like to which the push switch 100 is attached is accidentally dropped and an impact is applied in the direction in which the operation member 1 is pressed. For example, an overstroke may occur after the movable contact portion 2a and the first fixed contact portion 4f come into contact with each other. In such an overstroke, as shown in FIG. 17, the actuator portion 1 b of the operation member 1 is crushed and the protruding portion 1 a (see FIG. 11) is the second facing surface 4 d of the second case member 4. The operation member 1 is prevented from being pushed further backward. In FIG. 17, the actuator portion 1b is shown to be crushed until it almost disappears, but in reality, the tip portion of the actuator portion 1b is crushed, and after the tip portion of the actuator portion 1b is crushed. Even if it exists, the input operation to the push switch 100 is possible.
以下、本実施形態としたことによる効果について説明する。なお、一部の効果の説明には図３または図１８を用いて説明する。図１８は図２に記載のＡ部を拡大して示す拡大図である。 Hereinafter, the effect by having set it as this embodiment is demonstrated. A part of the effects will be described with reference to FIG. 3 or FIG. 18 is an enlarged view showing a portion A shown in FIG.
本実施形態のプッシュスイッチ１００では、固定接点部４ａを有し、操作部材１及び可動接点部材２を収容する空間部３ａを備えるケース３と、空間部３ａを覆うカバー部材６と、を備えたプッシュスイッチにおいて、固定接点部４ａは空間部３ａの一面である最奥面４ｅに露出して形成されており、ケース３は最奥面４ｅの後方側に突出するように形成された本体部４ｋを有し、本体部４ｋには、後方側の端部から前方へ向かって一部切り欠かれた切り欠き部４ｍを有し、固定接点部４ａは、可動接点部材２と接離する第１固定接点部４ｆと、可動接点部材２と常時接触する第２固定接点部４ｇと、からなり、第１固定接点部４ｆは、可動接点部材２と接触する中央接触部４ｎと、中央接触部４ｎに連続して最奥面４ｅから露出するとともに、中央接触部４ｎの周囲へ延出された延出部４ｐと、を有し、中央接触部４ｎは、最奥面４ｅの本体部４ｋに対応した箇所に配置されている、構成とした。 The push switch 100 according to the present embodiment includes a case 3 having a fixed contact portion 4a and including a space portion 3a that houses the operation member 1 and the movable contact member 2, and a cover member 6 that covers the space portion 3a. In the push switch, the fixed contact portion 4a is formed so as to be exposed at the innermost surface 4e which is one surface of the space portion 3a, and the case 3 is formed so as to protrude to the rear side of the innermost surface 4e. The main body portion 4k has a cutout portion 4m that is partially cut out from the rear end portion toward the front, and the fixed contact portion 4a is a first that contacts and separates from the movable contact member 2. The fixed contact portion 4f includes a second fixed contact portion 4g that is always in contact with the movable contact member 2, and the first fixed contact portion 4f includes a central contact portion 4n that contacts the movable contact member 2 and a central contact portion 4n. Exposed continuously from the backmost surface 4e Has a extending portion 4p that extends to the periphery of the central contact element 4n, the central contact portion 4n is disposed at a position corresponding to the body portion 4k of the innermost surface 4e, has a structure.
これにより、最奥面４ｅの後方側で厚みのある本体部４ｋに対応した箇所に中央接触部４ｎを配置するとともに、中央接触部４ｎの周囲に延出する延出部４ｐを設けることで、押し込み操作されたときに、ケース３に厚みのある部分で受け止めるとともに、受け止める面積を広げることができる。したがって、単位面積当たりで受け止める荷重を小さくするとともに、荷重に対して強い部分で受けることができる。よって、押し込み耐性の高いプッシュスイッチを提供することができる、という効果を奏する。 Thereby, while arrange | positioning the center contact part 4n in the location corresponding to the thick main-body part 4k on the back side of the innermost surface 4e, providing the extension part 4p extended around the center contact part 4n, When the push-in operation is performed, the case 3 can be received at a thick portion and the area to be received can be increased. Therefore, the load received per unit area can be reduced and received at a portion strong against the load. Therefore, it is possible to provide a push switch with high push resistance.
また、本実施形態のプッシュスイッチ１００では、第２固定接点部４ｇの可動接点部材２と接触する周辺接触部４ｑは、最奥面４ｅの切り欠き部４ｍに対応した箇所に配置されている、構成とした。 Moreover, in the push switch 100 of this embodiment, the peripheral contact part 4q which contacts the movable contact member 2 of the 2nd fixed contact part 4g is arrange | positioned in the location corresponding to the notch part 4m of the innermost surface 4e. The configuration.
これにより、周辺接触部４ｑを切り欠き部４ｍに対応した箇所に配置することで、本体部４ｋに対応した箇所を、押し込み操作時に最も負荷がかかる中央接触部４ｎおよび延出部４ｐに、より大きな面積を確実に割り当てることが可能となる。したがって、より押し込み耐性の高いプッシュスイッチを提供することができる、という効果を奏する。 Thereby, by arranging the peripheral contact portion 4q at a location corresponding to the cutout portion 4m, the location corresponding to the main body portion 4k can be more concentrated on the central contact portion 4n and the extension portion 4p that are most loaded during the pushing operation. A large area can be reliably allocated. Therefore, it is possible to provide a push switch having higher push-in resistance.
また、本実施形態のプッシュスイッチ１００では、金属板からなりケース３にインサート成型された回路部材３０は、一端に固定接点部４ａを有するとともに、他端には、ケース３の後方側から露出して外部と電気的に接続可能な外部接続端子４ｒを有し、回路部材３０の固定接点部４ａと外部接続端子４ｒとの間には、上方からの平面視で、回路部材３０が延出する方向に対して交差する方向へ延出する許容部４ｓが形成され、許容部４ｓの幅寸法は、許容部４ｓを間に挟んだ箇所の幅寸法よりも小さい、構成とした。 In the push switch 100 of the present embodiment, the circuit member 30 made of a metal plate and insert-molded in the case 3 has a fixed contact portion 4a at one end and is exposed from the rear side of the case 3 at the other end. The external connection terminal 4r that can be electrically connected to the outside is provided, and the circuit member 30 extends between the fixed contact portion 4a of the circuit member 30 and the external connection terminal 4r in a plan view from above. An allowable portion 4s extending in a direction intersecting the direction is formed, and the width dimension of the allowable portion 4s is smaller than the width dimension of a portion sandwiching the allowable portion 4s therebetween.
プッシュスイッチ１００が電子機器などに取り付けられる場合には、プッシュスイッチ１００は、図３に示すような、切り欠きが設けられた基板ＣＢ１に取り付けられる。プッシュスイッチ１００は、基板ＣＢ１の切り欠き部分の端部と切り欠き部４ｍとが係合するとともに、外部接続端子４ｒおよびケース３の複数個所を基板ＣＢ１の上面に設けられたランドＬＮ１上に配置され、半田付けなどにより固定される。これにより、例えば、電子機器に搭載された状態で押し込み操作をされたとき、外部接続端子４ｒは電子機器に半田付けなどにより固定されているため、押し込み荷重は外部接続端子４ｒに加わることになる。外部接続端子４ｒと固定接点部４ａとの間に、前後の箇所より幅寸法が小さい許容部４ｓを設けることで、押し込み操作をされたときに、押し込みされた方向へ微少量ではあるが許容部４ｓが撓むことで、外部接続端子４ｒにかかる負荷を吸収し軽減することができる。したがって、押し込み操作により半田付けされた外部接続端子４ｒが外れるような不具合が発生し難くなる。よって、さらに押し込み耐性の高いプッシュスイッチを提供することができる、という効果を奏する。 When the push switch 100 is attached to an electronic device or the like, the push switch 100 is attached to a substrate CB1 provided with a notch as shown in FIG. In the push switch 100, the end of the cutout portion of the substrate CB1 and the cutout portion 4m are engaged, and the external connection terminal 4r and a plurality of cases 3 are arranged on the land LN1 provided on the upper surface of the substrate CB1. And fixed by soldering or the like. Thereby, for example, when a push-in operation is performed in a state of being mounted on an electronic device, the external connection terminal 4r is fixed to the electronic device by soldering or the like, so that the push-in load is applied to the external connection terminal 4r. . By providing an allowance 4s between the external connection terminal 4r and the fixed contact 4a that is smaller in width than the front and rear portions, when the push operation is performed, the allowance is slightly small in the pushed-in direction. By bending 4s, the load applied to the external connection terminal 4r can be absorbed and reduced. Therefore, it is difficult to cause a problem that the external connection terminal 4r soldered by the pushing operation is detached. Therefore, it is possible to provide a push switch with higher push resistance.
また、本実施形態のプッシュスイッチ１００では、固定接点部４ａを有し、可動接点部材２を収容する第２空間部４ｂを備える第２ケース部材４と、第２ケース部材４と係合して、操作部材１を案内するようにその一部を収容する第１空間部５ａを備える第１ケース部材５と、からなるプッシュスイッチにおいて、第２ケース部材４は第２空間部４ｂが開口した第２開口４ｃのある第２対向面４ｄを有し、第１ケース部材５は第１空間部５ａが開口した第１開口５ｂのある第１対向面５ｃを有し、第２ケース部材４と第１ケース部材５とは、第２対向面４ｄと第１対向面５ｃとを対向させて係合され、第１開口５ｂの外形形状を第２開口４ｃの外形形状に重ねたとき、第１開口５ｂの外形形状は第２開口４ｃの外形形状からはみ出す突出形状部５ｄを有し、操作部材１は第１開口５ｂの外形形状に沿うように形成されて、突出形状部５ｄに配置される突出部１ａを有し、操作部材１を介して可動接点部材２を固定接点部４ａに接触させたときに、突出部１ａは第２対向面４ｄから離間している、構成とした。 Further, in the push switch 100 of the present embodiment, the second case member 4 having the fixed contact portion 4 a and including the second space portion 4 b for accommodating the movable contact member 2 is engaged with the second case member 4. In the push switch comprising the first case member 5 including the first space portion 5a for accommodating a part of the operation member 1 so as to guide the operation member 1, the second case member 4 has the second space portion 4b opened. The first case member 5 has a first facing surface 5c having a first opening 5b in which the first space portion 5a is opened, and the second case member 4 and the second case member 4 have a second facing surface 4d having two openings 4c. The first case member 5 is engaged with the second facing surface 4d and the first facing surface 5c facing each other. When the outer shape of the first opening 5b is overlapped with the outer shape of the second opening 4c, the first opening is formed. The outer shape of 5b is a protruding shape that protrudes from the outer shape of the second opening 4c. 5d, the operation member 1 is formed so as to follow the outer shape of the first opening 5b, has a protruding portion 1a disposed on the protruding shape portion 5d, and the movable contact member 2 is provided via the operating member 1. The projecting portion 1a is separated from the second facing surface 4d when brought into contact with the fixed contact portion 4a.
これにより、第１開口５ｂの外形形状を第２開口４ｃの外形形状に重ねたとき、第１開口５ｂの外形形状は第２開口４ｃの外形形状からはみ出すように形成された突出形状部５ｄを有し、操作部材１は第１開口５ｂの外形形状に沿うように形成されており、突出形状部５ｄに配置される突出部１ａを有する構成とした。したがって、誤って操作部材１が無理押しされるなど、オーバーストロークとなったときに、操作部材１の突出部１ａを第２対向面４ｄに当接させることでストッパを構成して、過剰な押し込み時の耐性を向上させることができる。このような構造であれば、押圧操作された方向に可動接点部材２が配置された構造であっても、過剰なオーバーストロークを止めることができる。したがって、押圧操作された方向に可動接点部材２が配置され、過剰な押し込みに対応可能なプッシュスイッチを提供することができる、という効果を奏する。 Thereby, when the outer shape of the first opening 5b is overlapped with the outer shape of the second opening 4c, the outer shape of the first opening 5b is the protruding shape portion 5d formed so as to protrude from the outer shape of the second opening 4c. The operation member 1 is formed so as to follow the outer shape of the first opening 5b, and has a protruding portion 1a disposed on the protruding shape portion 5d. Therefore, when the operation member 1 is accidentally pushed by force, for example, when the overstroke occurs, a stopper is formed by bringing the protruding portion 1a of the operation member 1 into contact with the second facing surface 4d, and excessive push-in is performed. Time tolerance can be improved. With such a structure, an excessive overstroke can be stopped even if the movable contact member 2 is arranged in the direction in which the pressing operation is performed. Therefore, there is an effect that the movable contact member 2 is arranged in the direction in which the pressing operation is performed, and a push switch that can cope with excessive pressing can be provided.
また、本実施形態のプッシュスイッチ１００では、第２開口４ｃの外形形状は、長手辺が直線形状で、短手辺が円弧形状の長方形状であり、可動接点部材２は第２開口４ｃの外形形状に沿うように形成され、操作部材１の突出部１ａは、第２開口４ｃの外形形状の長手辺と短手辺とが交差する箇所で、第２対向面４ｄに接触可能に形成されている、構成とした。 Further, in the push switch 100 of the present embodiment, the outer shape of the second opening 4c is a rectangular shape having a long side of a straight line and a short side of an arc, and the movable contact member 2 has an outer shape of the second opening 4c. The protruding portion 1a of the operation member 1 is formed so as to be in contact with the second facing surface 4d at a location where the long side and the short side of the outer shape of the second opening 4c intersect. It was configured.
これにより、第２開口４ｃの外形形状を、長手辺が直線形状で、短手辺が円弧形状の長方形状とし、短手辺と長手辺とが交差する位置で突出部１ａが第２対向面４ｄに接触可能とすることで、仮にオーバーストロークになった場合に、突出部１ａと第２対向面４ｄとの接触面積を大きくすることができる。すなわち、より大きな荷重が加わった場合にも、破損することなく操作部材１の移動を止めることができる。したがって、押圧操作された方向に可動接点部材２が配置され、過剰な押し込みに対応可能なプッシュスイッチを提供することができる、という効果を奏する。 As a result, the external shape of the second opening 4c is a rectangular shape having a long side having a linear shape and a short side having an arc shape, and the protruding portion 1a has a second opposing surface at a position where the short side and the long side intersect. By making the contact with 4d possible, it is possible to increase the contact area between the projecting portion 1a and the second facing surface 4d if an overstroke occurs. That is, even when a larger load is applied, the movement of the operation member 1 can be stopped without being damaged. Therefore, there is an effect that the movable contact member 2 is arranged in the direction in which the pressing operation is performed, and a push switch that can cope with excessive pressing can be provided.
また、本実施形態のプッシュスイッチ１００では、可動接点部材２は、ばね性を有する金属板から形成されており、操作部材１は、可動接点部材２を押圧するための合成樹脂材からなるアクチュエータ部１ｂを有し、アクチュエータ部１ｂは、可動接点部材２を撓ませることが可能で、かつ第２ケース部材４を破損させない所定の荷重が加わったときに、潰れる、構成とした。 Further, in the push switch 100 of the present embodiment, the movable contact member 2 is formed from a metal plate having a spring property, and the operation member 1 is an actuator portion made of a synthetic resin material for pressing the movable contact member 2. The actuator portion 1b has a configuration in which the movable contact member 2 can be bent and is collapsed when a predetermined load that does not damage the second case member 4 is applied.
これにより、可動接点部材２を撓ませることが可能で、かつ第２ケース部材４を破損させない所定の荷重が加わったときに、アクチュエータ部１ｂが潰れる構成としたことで、仮にオーバーストロークになった場合には、先ず、アクチュエータ部１ｂが潰れ、そのあとに突出部１ａと第２対向面４ｄが当接することになるため、第２ケース部材４に過剰な押圧付加が加わることによる、固定接点部４ａの周辺の破損を軽減することができる。また、アクチュエータ部１ｂは、オーバーストロークの移動量分であるわずかな量しか潰れないので、スイッチ機能が完全に喪失することは無い。したがって、押圧操作された方向に可動接点部材２が配置され、過剰な押し込みに対応可能なプッシュスイッチを提供することができる、という効果を奏する。 Thereby, it is possible to bend the movable contact member 2, and when the predetermined load that does not damage the second case member 4 is applied, the actuator portion 1b is crushed. In this case, first, the actuator portion 1b is crushed, and then the projecting portion 1a and the second facing surface 4d come into contact with each other. Therefore, the fixed contact portion due to excessive pressing applied to the second case member 4 is applied. The damage around 4a can be reduced. Further, since the actuator portion 1b is crushed only by a small amount corresponding to the movement amount of the overstroke, the switch function is not completely lost. Therefore, there is an effect that the movable contact member 2 is arranged in the direction in which the pressing operation is performed, and a push switch that can cope with excessive pressing can be provided.
また、本実施形態のプッシュスイッチ１００では、固定接点部４ａは、第２空間部４ｂの第２開口４ｃに対向する側の面である最奥面４ｅに形成され、最奥面４ｅの中央部分に形成される第１固定接点部４ｆと、最奥面４ｅにおいて第２空間部４ｂの長手側の壁の近くに形成される第２固定接点部４ｇと、からなり、第１固定接点部４ｆおよび第２固定接点部４ｇは、可動接点部材２が接触する接触部４ｈを有しており、第２ケース部材４の第２対向面４ｄにおいて、操作部材１の突出部１ａが当接可能な位置は、横方向における第２固定接点部４ｇの接触部４ｈの外方側に位置している、構成とした。 Further, in the push switch 100 of the present embodiment, the fixed contact portion 4a is formed on the innermost surface 4e that is a surface on the side facing the second opening 4c of the second space portion 4b, and a central portion of the innermost surface 4e. The first fixed contact portion 4f formed on the innermost surface 4e and the second fixed contact portion 4g formed near the longitudinal wall of the second space portion 4b. The second fixed contact portion 4g has a contact portion 4h with which the movable contact member 2 comes into contact, and the protruding portion 1a of the operation member 1 can come into contact with the second facing surface 4d of the second case member 4. The position is set to be located on the outer side of the contact portion 4h of the second fixed contact portion 4g in the lateral direction.
これにより、横方向における第２固定接点部４ｇの接触部４ｈの外方側であれば、第２空間部４ｂの最奥面４ｅから固定接点部４ａが露出する箇所がなくなるので、第２空間部４ｂを設ける必要がなくなり、第２ケース部材４の側壁を厚くすることができる。したがって、第２ケース部材４の第２対向面４ｄにおいて、操作部材１の突出部１ａが当接可能な位置を、横方向における第２固定接点部４ｇの接触部４ｈの外方側とすることで、突出部１ａと第２対向面４ｄとの接触面積を大きくすることができる。よって、より大きな荷重が加わった場合にも、破損することなく操作部材１の移動を止めることができる、という効果を奏する。 Thereby, if it is the outer side of the contact part 4h of the 2nd fixed contact part 4g in a horizontal direction, since the location where the fixed contact part 4a is exposed from the innermost surface 4e of the 2nd space part 4b is lose | eliminated, 2nd space It is not necessary to provide the portion 4b, and the side wall of the second case member 4 can be thickened. Therefore, on the second facing surface 4d of the second case member 4, the position where the projecting portion 1a of the operation member 1 can abut is the outer side of the contact portion 4h of the second fixed contact portion 4g in the lateral direction. Thus, the contact area between the protruding portion 1a and the second facing surface 4d can be increased. Therefore, even when a larger load is applied, there is an effect that the movement of the operation member 1 can be stopped without being damaged.
本実施形態のプッシュスイッチ１００では、操作部材１と、可動接点部材２と、固定接点部４ａを有し、操作部材１および可動接点部材２を収容可能で前方側が開放された空間部３ａを備えるケース３と、空間部３ａを覆う前方カバー部材７と、ケース３の後方側を覆う基部８ａと、基部８ａの両端から前方側にそれぞれ延出している腕部８ｂとを備える後方カバー部材８と、を有するプッシュスイッチにおいて、前方カバー部材７には、操作部材１が突出する貫通穴７ａと、両端側に後方カバー部材８の腕部８ｂと係合される係合部７ｂとが設けられており、前方カバー部材７の係合部７ｂに後方カバー部材８の腕部８ｂがそれぞれ係合されて前方カバー部材７と後方カバー部材８とが一体化されている、構成とした。 The push switch 100 according to the present embodiment includes an operation member 1, a movable contact member 2, and a fixed contact portion 4a. The push switch 100 includes a space portion 3a that can accommodate the operation member 1 and the movable contact member 2 and that is open on the front side. A rear cover member 8 including a case 3, a front cover member 7 covering the space 3a, a base 8a covering the rear side of the case 3, and arm portions 8b extending from both ends of the base 8a to the front side, respectively. In the push switch having the above, the front cover member 7 is provided with a through hole 7a from which the operation member 1 protrudes, and an engagement portion 7b to be engaged with the arm portion 8b of the rear cover member 8 at both ends. The arm portion 8b of the rear cover member 8 is engaged with the engaging portion 7b of the front cover member 7 so that the front cover member 7 and the rear cover member 8 are integrated.
これにより、後方カバー部材８の基部８ａがケース３の後方側を覆う、すなわちケース３の後方側には後方カバー部材８が分断された箇所が無いとともに、２つの腕部８ｂを前方カバー部材７と係合させて一体化させる構成とした。これにより、押圧されて後方カバー部材８の分断された箇所が広がることはないので、先行技術に比べて前方側からの押し込み強度を向上させることができる。よって、基板取り付け後に前方側からの押圧操作に対する耐性のある横押しタイプのプッシュスイッチを提供することができる、という効果を奏する。 Thereby, the base 8a of the rear cover member 8 covers the rear side of the case 3, that is, the rear side of the case 3 has no part where the rear cover member 8 is divided, and the two arm portions 8b are connected to the front cover member 7. To be integrated with each other. Thereby, since the part where the rear cover member 8 is cut by being pressed does not spread, the pushing strength from the front side can be improved as compared with the prior art. Therefore, there is an effect that it is possible to provide a lateral push type push switch that is resistant to a pressing operation from the front side after the substrate is attached.
また、本実施形態のプッシュスイッチ１００では、係合部７ｂが貫通孔からなる係合穴部７ｃであり、後方カバー部材８の腕部８ｂが係合穴部７ｃに挿入され、前方カバー部材７の前方側にて内方側に折り曲げられて係合している、構成とした。 Further, in the push switch 100 of the present embodiment, the engaging portion 7b is an engaging hole portion 7c formed of a through hole, and the arm portion 8b of the rear cover member 8 is inserted into the engaging hole portion 7c, so that the front cover member 7 It is set as the structure which is bend | folded and engaged in the inward side in the front side.
これにより、係合部７ｂを貫通孔からなる係合穴部７ｃとすることで、係合部７ｂを簡易に構成することができる。また、後方カバー部材８の腕部８ｂが係合穴部７ｃに挿入され、折り曲げることで係合する構成とすることで、前方カバー部材７と後方カバー部材８とを十分な保持力で係合することができる。したがって、簡易な構成で、前方カバー部材７と後方カバー部材８とを十分な保持力で係合することができる、という効果を奏する。 Thereby, the engaging part 7b can be simply comprised by making the engaging part 7b into the engaging hole part 7c which consists of a through-hole. Further, the front cover member 7 and the rear cover member 8 are engaged with each other with a sufficient holding force by the arm portion 8b of the rear cover member 8 being inserted into the engagement hole portion 7c and engaged by bending. can do. Therefore, the front cover member 7 and the rear cover member 8 can be engaged with each other with a sufficient holding force with a simple configuration.
また、本実施形態のプッシュスイッチ１００では、前方カバー部材７の係合穴部７ｃの開口形状は幅方向における外方側が円弧形状となっており、後方カバー部材８の腕部８ｂの先端部８ｃは係合穴部７ｃに挿入可能に形成されており、係合穴部７ｃに挿入されて、内方側に折り曲げられて係合されている、構成とした。 Further, in the push switch 100 of the present embodiment, the opening shape of the engagement hole portion 7 c of the front cover member 7 is an arc shape on the outer side in the width direction, and the distal end portion 8 c of the arm portion 8 b of the rear cover member 8. Is formed so that it can be inserted into the engaging hole 7c, inserted into the engaging hole 7c, bent inward and engaged.
これにより、係合穴部７ｃの開口形状を、幅方向における外方側が円弧形状とすることで、幅方向における外方側においては上下方向の寸法が内方側よりも小さくなる。係合穴部７ｃと腕部８ｂとを係合するために、腕部８ｂの先端部８ｃを内方側に折り曲げたときに、腕部８ｂが係合穴部７ｃの幅方向における外方側へ広がりやすい。仮に広がったとしても、図１８に破線で示すように、腕部８ｂが係合穴部７ｃの幅方向における外方側（図１８においてはＹ１方向側）の円弧形状の面に接触し、外方側へ広がることなく、腕部８ｂは内方側へ寄せられる。したがって、前方カバー部材７と後方カバー部材８とをガタのない状態で固定することができ、外れにくい強固な係合とすることができる、という効果を奏する。 Thereby, the dimension of the up-down direction is smaller on the outer side in the width direction than on the inner side by setting the opening shape of the engagement hole 7c to an arc shape on the outer side in the width direction. When the distal end portion 8c of the arm portion 8b is bent inward to engage the engagement hole portion 7c and the arm portion 8b, the arm portion 8b is located outward in the width direction of the engagement hole portion 7c. Easy to spread. Even if it spreads, as shown by a broken line in FIG. 18, the arm portion 8b comes into contact with the arc-shaped surface on the outer side in the width direction of the engagement hole portion 7c (Y1 direction side in FIG. 18). The arm portion 8b is moved toward the inner side without spreading toward the inner side. Therefore, it is possible to fix the front cover member 7 and the rear cover member 8 without any backlash and to achieve a strong engagement that is difficult to come off.
以上のように、本発明の実施形態に係るプッシュスイッチを具体的に説明したが、本発明は上記の実施形態に限定されるものではなく、要旨を逸脱しない範囲で種々変更して実施することが可能である。例えば次のように変形して実施することができ、これらの実施形態も本発明の技術的範囲に属する。 As described above, the push switch according to the embodiment of the present invention has been specifically described. However, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the invention. Is possible. For example, the present invention can be modified as follows, and these embodiments also belong to the technical scope of the present invention.
第１実施形態においては、可動接点部材２を１枚用いる構成としたが、収納可能な範囲で仕様に合わせて用いる枚数を変更しても良い。例えば、可動接点部材２の使用枚数を１枚から２枚に増やすことで、操作感触の変更を行うことができるとともに、プッシュスイッチ１００の動作寿命を向上させることができる。 In the first embodiment, one movable contact member 2 is used. However, the number of movable contact members 2 may be changed in accordance with the specifications within a range that can be stored. For example, by increasing the number of movable contact members 2 to be used from one to two, it is possible to change the operation feeling and improve the operating life of the push switch 100.
第１実施形態において、第１実施形態においては、係合部７ｂ（係合穴部７ｃ）は幅方向の外方側が円弧状の長方形状に形成されているが、係合部７ｂの形状が、凹形状や、幅方向の外方側が短辺である台形形状の穴などであっても良い。 In the first embodiment, in the first embodiment, the engaging portion 7b (engaging hole portion 7c) is formed in an arcuate rectangular shape on the outer side in the width direction, but the shape of the engaging portion 7b is the same. Further, it may be a concave shape or a trapezoidal hole having a short side on the outer side in the width direction.
第１実施形態において、係合部７ｂと腕部８ｂとの係合箇所を幅方向の両側に設けたが、上下方向の両側に設けても良い。また、可能であれば、その際に上側の係合箇所を２箇所にするなど係合箇所を増やしても良い。 In the first embodiment, the engaging portion between the engaging portion 7b and the arm portion 8b is provided on both sides in the width direction, but may be provided on both sides in the vertical direction. In addition, if possible, the number of engaging locations may be increased, for example, the number of upper engaging locations may be two.
本実施形態において、係合部７ｂと腕部８ｂとの係合箇所を幅方向の両側に設けたが、幅方向の両側だけでなく、同時に上下方向の両側にも係合箇所を設けるなどして係合箇所を増やしても良い。 In this embodiment, the engaging portion between the engaging portion 7b and the arm portion 8b is provided on both sides in the width direction. However, the engaging portion is provided not only on both sides in the width direction but also on both sides in the vertical direction at the same time. The number of engagement points may be increased.
１ 操作部材
１ａ 突出部
１ｂ アクチュエータ部
１ｃ ボタン部
１ｄ 鍔部
２ 可動接点部材
２ａ 可動接点部
２ｂ スリット
２ｃ 常接接点部
２ｄ 連結部
２ｅ 頂部
３ ケース
３ａ 空間部
４ 第２ケース部材
４ａ 固定接点部
４ｂ 第２空間部
４ｃ 第２開口
４ｄ 第２対向面
４ｅ 最奥面
４ｆ 第１固定接点部
４ｇ 第２固定接点部
４ｈ 接触部
４ｋ 本体部
４ｍ 切り欠き部
４ｎ 中央接触部
４ｐ 延出部
４ｑ 周辺接触部
４ｒ 外部接続端子
４ｓ 許容部
５ 第１ケース部材
５ａ 第１空間部
５ｂ 第１開口
５ｃ 第１対向面
５ｄ 突出形状部
５ｅ 開口部
６ カバー部材
７ 前方カバー部材
７ａ 貫通穴
７ｂ 係合部
７ｃ 係合穴部
７ｄ 板状部
８ 後方カバー部材
８ａ 基部
８ｂ 腕部
８ｃ 先端部
８ｄ 取付板部
８ｅ 取付突起
９ シート部材
９ａ 粘着面
３０ 回路部材
１００ プッシュスイッチ
ＣＢ１ 基板
ＬＮ１ ランド
DESCRIPTION OF SYMBOLS 1 Operation member 1a Protrusion part 1b Actuator part 1c Button part 1d ridge part 2 Movable contact member 2a Movable contact part 2b Slit 2c Constant contact part 2d Connection part 2e Top part 3 Case 3a Space part 4 2nd case member 4a Fixed contact part 4b 2nd space part 4c 2nd opening 4d 2nd opposing surface 4e innermost surface 4f 1st fixed contact part 4g 2nd fixed contact part 4h contact part 4k main-body part 4m notch part 4n center contact part 4p extension part 4q peripheral contact Part 4r External connection terminal 4s Permissible part 5 First case member 5a First space part 5b First opening 5c First opposing surface 5d Projecting shape part 5e Opening part 6 Cover member 7 Front cover member 7a Through hole 7b Engaging part 7c Engagement Joint hole portion 7d Plate-like portion 8 Back cover member 8a Base portion 8b Arm portion 8c Tip portion 8d Mounting plate portion 8e Mounting protrusion 9 Sheet member 9a Adhesive surface 30 circuit member 100 push switch CB1 substrate LN1 land
Claims (2)
前記空間部を覆うカバー部材と、
を備えたプッシュスイッチにおいて、
前記固定接点部は前記空間部の一面である最奥面に露出して形成されており、
前記ケースは前記最奥面の後方側に突出するように形成された本体部を有し、
前記本体部には、後方側の端部から前方へ向かって一部切り欠かれた切り欠き部を有し、
前記固定接点部は、前記可動接点部材と接離する第１固定接点部と、前記可動接点部材と常時接触する第２固定接点部と、からなり、
前記第１固定接点部は、前記可動接点部材と接触する中央接触部と、前記中央接触部に連続して前記最奥面から露出するとともに、前記中央接触部の周囲へ延出された延出部と、を有し、
前記中央接触部は、前記最奥面の前記本体部に対応した箇所に配置されており、
前記第２固定接点部の前記可動接点部材と接触する周辺接触部は、前記最奥面の前記切り欠き部に対応した箇所に配置されており、
前記最奥面は、前記第１固定接点部を挟んで前記第２固定接点部に対向する位置となる部分に前記周辺接触部と同じ高さに突出した突部を有する、
ことを特徴とするプッシュスイッチ。 A case having a fixed contact portion and having a space for accommodating the operation member and the movable contact member;
A cover member covering the space portion;
In push switch with
The fixed contact portion is exposed and formed on the innermost surface that is one surface of the space portion,
The case has a main body formed to protrude to the rear side of the innermost surface,
The main body has a cutout part that is partially cut away from the rear end to the front,
The fixed contact portion includes a first fixed contact portion that contacts and separates from the movable contact member, and a second fixed contact portion that constantly contacts the movable contact member,
The first fixed contact portion is a central contact portion that contacts the movable contact member, and is exposed from the innermost surface continuously to the central contact portion, and extends to the periphery of the central contact portion. And
The central contact portion is disposed at a location corresponding to the main body portion of the innermost surface ,
The peripheral contact portion that contacts the movable contact member of the second fixed contact portion is disposed at a location corresponding to the notch portion of the innermost surface,
The innermost surface has a protrusion protruding at the same height as the peripheral contact portion at a portion facing the second fixed contact portion across the first fixed contact portion.
Push switch characterized by that.
前記回路部材の前記固定接点部と前記外部接続端子との間には、上方からの平面視で、前記回路部材が延出する方向に対して交差する方向へ延出する許容部が形成され、
前記許容部の幅寸法は、前記許容部を間に挟んだ箇所の幅寸法よりも小さい、
ことを特徴とする請求項１に記載のプッシュスイッチ。 A circuit member made of a metal plate and partially exposed from the case has the fixed contact portion at one end and is exposed from the rear side of the case to the other end and electrically connected to the outside. With possible external connection terminals,
Between the fixed contact portion of the circuit member and the external connection terminal, an allowance portion extending in a direction intersecting the direction in which the circuit member extends is formed in a plan view from above,
The width dimension of the permissible portion is smaller than the width dimension of the portion sandwiching the permissible portion therebetween,
The push switch according to claim 1 .
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014062692A JP5958976B2 (en) | 2014-03-25 | 2014-03-25 | Push switch |
| CN201510005373.2A CN104952656B (en) | 2014-03-25 | 2015-01-06 | By compressing switch |
| KR1020150008690A KR101637395B1 (en) | 2014-03-25 | 2015-01-19 | Push switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014062692A JP5958976B2 (en) | 2014-03-25 | 2014-03-25 | Push switch |
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| Publication Number | Publication Date |
|---|---|
| JP2015185475A JP2015185475A (en) | 2015-10-22 |
| JP5958976B2 true JP5958976B2 (en) | 2016-08-02 |
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| JP2014062692A Active JP5958976B2 (en) | 2014-03-25 | 2014-03-25 | Push switch |
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| JP (1) | JP5958976B2 (en) |
| KR (1) | KR101637395B1 (en) |
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| JPH0537388Y2 (en) * | 1984-10-08 | 1993-09-21 | ||
| JP3959916B2 (en) * | 2000-01-25 | 2007-08-15 | 松下電器産業株式会社 | Push-on switch, electronic device equipped with the same, and method of attaching the same |
| CN2678092Y (en) * | 2003-11-19 | 2005-02-09 | 广州市番禺宝联实业有限公司 | Welding and plug microswitch |
| JP2007324090A (en) * | 2006-06-05 | 2007-12-13 | Smk Corp | Push button switch and its mounting method |
| CN201689810U (en) * | 2010-03-19 | 2010-12-29 | 褚锦雄 | Upright soft touch switch with lamp |
| JP5911049B2 (en) * | 2011-09-29 | 2016-04-27 | アルプス電気株式会社 | Push switch |
| JP2013149351A (en) | 2012-01-17 | 2013-08-01 | Panasonic Corp | Push switch |
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| Publication number | Publication date |
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| KR20150111272A (en) | 2015-10-05 |
| CN104952656A (en) | 2015-09-30 |
| KR101637395B1 (en) | 2016-07-07 |
| JP2015185475A (en) | 2015-10-22 |
| CN104952656B (en) | 2017-09-29 |
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