WO2013114744A1 - Contact member - Google Patents

Contact member Download PDF

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Publication number
WO2013114744A1
WO2013114744A1 PCT/JP2012/082597 JP2012082597W WO2013114744A1 WO 2013114744 A1 WO2013114744 A1 WO 2013114744A1 JP 2012082597 W JP2012082597 W JP 2012082597W WO 2013114744 A1 WO2013114744 A1 WO 2013114744A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
pressing member
contact member
bottom plate
side wall
Prior art date
Application number
PCT/JP2012/082597
Other languages
French (fr)
Japanese (ja)
Inventor
敬亮 江刺
加藤　裕一
Original Assignee
Smk株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smk株式会社 filed Critical Smk株式会社
Publication of WO2013114744A1 publication Critical patent/WO2013114744A1/en

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Classifications

    • 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
    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/036—Form of contacts to solve particular problems
    • H01H2203/038—Form of contacts to solve particular problems to be bridged by a dome shaped contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/002—Movable contacts fixed to operating part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/012—Positioning of individual dome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/008—Casings metallic

Definitions

  • the present invention relates to a contact member that constitutes a switch by being mounted on an electric circuit board, and includes a case and an elastically deformable pressing member.
  • the switch 100 includes a housing 001 made of a molding material integrally formed with a conductive terminal 002 whose contact surface is exposed at an opening, and a central tongue piece when the outer peripheral portion is placed on the terminal 002.
  • a contact piece 003 formed so as to be separated from the contact piece 003, a mortar-shaped elastic body 004 having a hollow inside and formed with a pedestal portion mounted on the contact piece 003 and receiving a pressing force on the upper portion, and a housing 001
  • the key stem 005 is slidably fitted in the vertical direction.
  • a pressing force is applied to the top surface of the key stem 005 to displace the action portion of the elastic body 004 with a large stroke in the downward direction.
  • a terminal having an outer contact on the outside of the central contact is what switch electrically shorted is turned ON.
  • the switch 100 can be distributed as a single switch that performs an ON-OFF operation, when the switch 100 is incorporated into an electrical device, an electric circuit board for mounting the switch 100 is provided. (Not shown) and a key top (not shown) for pressing the key stem 005 are indispensable. Further, the switch 100 is composed of five parts such as a housing 001 in which a terminal 002 is integrally formed, a contact piece 003, an elastic body 004, and a key stem 005, which causes a large part cost and assembly cost. Further, since the operation stroke is large, the sliding distance between the housing 001 and the key stem 005 is increased, and this sliding operation is easily hindered by dust or the like.
  • the present invention is configured with a small number of parts and can operate smoothly even with a large operation stroke. Also, there is no problem in physical distribution, and even when it is incorporated into an electrical device, As with the switch 100, the object is to provide a contact member that can constitute a switch that can be turned on and off by requiring only an electric circuit board and a key top for mounting.
  • the contact member according to claim 1 is a contact member including a case in which a housing portion is formed by a bottom plate and a side wall, and an elastically deformable pressing member. Is formed with an opening, and the pressing member extends from the pedestal, a pedestal that is placed on the bottom plate, an operating part in which a conductive contact is formed at a position facing the opening. A deformable portion that continues to the operating portion, the deformable portion is deformed by applying a pressing force to the operating portion, and the contact portion can project outside the accommodating portion through the opening. It is characterized by.
  • the contact member has a fitting portion that is open on the side wall, a convex portion is formed on the pedestal portion, and the pressing member has the convex portion that is By being fitted into the fitting portion, it is incorporated into the housing portion.
  • the side wall is formed with a folded portion whose upper end portion is folded back inside the accommodating portion, and the pressing member has the pedestal portion folded back. It is characterized in that it is incorporated into the housing part by getting over the part.
  • the case is made of a metal material, and the bottom plate is formed with a mounting soldering portion that protrudes to the outside of the housing portion. It is what.
  • the surface of the bottom plate opposite to the surface on which the pressing member is placed is subjected to insulation treatment.
  • the pressing member is a rubber, and the contact portion is made of a material containing carbon.
  • the contact member is constituted by only two parts, that is, the case in which the housing portion is formed and the pressing member that can be elastically deformed, it is possible to reduce the component cost and the assembly cost.
  • the conductive contact portion formed in the operation portion assumes an electrical function, the selection range of the material of the portion excluding the contact portion of the pressing member is increased, thereby setting the operation characteristics and the like. The degree of freedom increases, and higher performance in terms of durability can be obtained. Further, since the stroke of the pressing member can be easily increased, the operation stroke can be easily increased, and the operation stroke can be set freely.
  • the height of the side wall can be made lower, and a greater degree of freedom of incorporation when incorporating this article into an electrical device Can be obtained.
  • the pedestal portion of the pressing member since the upper end portion of the side wall is folded inward, the pedestal portion of the pressing member cannot go beyond the folded portion to the outside of the accommodating portion, thereby pressing in the physical distribution etc. It becomes possible to prevent accidents such as the member dropping off from the accommodating portion.
  • the soldering portion for mounting protruding outward on the bottom plate, it is possible to prevent the flux generated during soldering and mounting from entering the housing portion in which the pressing member is housed.
  • the solder fillet can be reliably formed, and a large mounting strength can be obtained.
  • the insulation treatment is performed on the surface of the bottom plate opposite to the housing portion, that is, the surface of the bottom plate on the electric circuit board side, it is necessary to perform the insulation treatment on the electric circuit pattern of the electric circuit board. Therefore, it is possible to route an electric circuit pattern with a high degree of freedom.
  • the contact portion an elastic material containing carbon, more stable electrical and mechanical contact is possible.
  • FIG. 1 is a front perspective view of a contact member according to the present invention.
  • FIG. 2 is an exploded front perspective view of a contact member according to the present invention.
  • FIG. 3 is an exploded front perspective view of a contact member and an electric circuit board according to the present invention.
  • FIG. 5 is a cross-sectional view taken along the line aa of FIG. 4.
  • FIG. 6 is a view of the contact member according to the present invention operated by a pressing force.
  • FIG. 7 is an exploded front perspective view of an embodiment of another contact member according to the present invention.
  • FIG. 8 is an exploded perspective view of a conventional switch.
  • FIG. 1 is a front perspective view of a contact member according to the present invention.
  • FIG. 2 is an exploded front perspective view of the contact member according to the present invention. Is an exploded front perspective view of the contact member and the electric circuit board according to the present invention
  • FIG. 4 is a front perspective view of the contact member according to the present invention mounted on the electric circuit board
  • FIG. 5 is a line aa in FIG. 6 is a cross-sectional view taken along the line aa of FIG. 4 in a state where the contact member according to the present invention is operated by a pressing force
  • FIG. 1 is a front perspective view of a contact member according to the present invention.
  • FIG. 2 is an exploded front perspective view of the contact member according to the present invention. Is an exploded front perspective view of the contact member and the electric circuit board according to the present invention
  • FIG. 4 is a front perspective view of the contact member according to the present invention mounted on the electric circuit board
  • FIG. 5 is a line aa in FIG. 6 is
  • the contact member 01 includes a case 10 and a pressing member 30.
  • the case 10 is obtained by processing a metal plate.
  • a substantially square bottom plate 11 is formed with a circular opening 12 and a side wall 20 rising from the outer periphery of the bottom plate 11 in a substantially vertical direction.
  • the side wall 20 and the above-described bottom plate 11 form an accommodating portion 18 having a substantially cubic space.
  • a substantially rectangular fitting portion 23 is provided which is provided with a beam having a constant width from the upper side of the side wall 20 and opens downward to the bottom surface.
  • the side wall 20 is formed with a notch 22 cut out from the bottom plate 11.
  • the notch 22 is formed in the same plane as the bottom plate 11 from the bottom plate 11 and extends outside the accommodating portion 18.
  • the soldering part 21 for a machine is formed.
  • an annular positioning convex portion 16 is formed around the opening 12 of the bottom plate 11 and is convex upward so as to maintain the position of a pressing member 30 described later.
  • the pressing member 30 is made of an elastic material such as rubber, has a constant thickness, has a base portion 31 formed in a substantially cubic shape having an outer shape slightly smaller than the outer shape of the bottom plate 11 of the case 10, and a flat surface on the upper surface.
  • the substantially cylindrical operating part 32 having the pressing surface 36 is connected by a deformed part 33 formed of a thin wall, and as a whole, a space in which the mortar-like space is turned upside down is formed inside. .
  • a pressing portion 34 facing the inner mortar-shaped space 37 protrudes from the surface opposite to the operating portion 32 pressing surface 36, and carbon having a plane substantially parallel to the pressing surface 36 is formed at the tip thereof.
  • a conductive contact portion 38 made of an elastic material is formed by adhesion or integral molding. Further, a substantially rectangular convex portion protruding in the horizontal direction is formed from the side wall of the substantially cubic base portion 31.
  • the contact member 01 is completed by incorporating the pressing member 30 into the case 10.
  • the pressing member 30 can no longer come out of the accommodating portion 18, and in assembling and transportation during distribution, etc. It is possible to prevent accidents such as the pressing member 30 falling out of the accommodating portion 18.
  • the height of the side wall 20 is set low.
  • the assembled contact member 01 is mounted on the electric circuit board 40 and incorporated in the electric device as will be described later, the interference between the side wall 20 and the components provided in the electric device is further reduced. It can be easily avoided.
  • the contact member 01 thus completed is mounted on the electric circuit board 40 provided in the electric device as shown in FIGS. 3 to 6 when incorporated in the electric device, and thereby the switch is included in the state including the electric circuit board. Will function as.
  • a mounting pattern 43 that can be soldered is formed on the electric circuit board 40 at a position corresponding to the mounting soldering portion 21 of the contact member 01, and the mounting pattern is positioned at a position corresponding to the contact portion 38 when viewed from above.
  • a central contact pattern 41 which is an electric circuit pattern that can come into contact with the contact portion 38 independent of 43, is formed, and the mounting soldering portion 21 of the contact member 01 is soldered to the mounting pattern 43. Is mounted on the electric circuit board, whereby the contact portion 38 is positioned substantially directly above the central contact pattern 41.
  • the central contact pattern 41 is a pattern in which two independent contact patterns are arranged concentrically or in a comb shape at a predetermined interval. At this time, since the electric circuit pattern extending from the central contact pattern 41 is arranged below the bottom plate 11 and may contact the bottom plate 11, is the surface of the corresponding electric circuit pattern subjected to insulation treatment?
  • the electrical circuit pattern extending from the central contact pattern 41 is subjected to a resist process and insulated from the bottom plate 11.
  • the contact member 01 thus completed and mounted is operated as follows. As shown in FIGS. 5 and 6, first, a pressing force is applied to the pressing surface of the operating portion 32 of the pressing member 30 through a key top (not shown) provided in the electric device. As a result, the operating portion 32 is displaced downward while the deforming portion 33 is elastically deformed, and the contact portion 38 at the tip of the pressing portion 34 comes into contact with the central contact 41. As a result, two independent contact patterns forming the central contact pattern 41 of the electric circuit board 40 are electrically short-circuited via the contact portions 38, and the switch constituted by the contact member 01 and the electric circuit board 41.
  • the contact member 01 according to the present invention is configured only by the case 01 and the pressing member 30, and functions as a part of the configuration of the switch only by being mounted on the electric circuit board. Further, a large operation stroke can be obtained by using the pressing member 30.
  • the portion of the pressing member 30 excluding the contact portion 38 is particularly special. Performance related to electrical performance such as conductivity is no longer necessary, which increases the degree of freedom in selecting the material of the portion excluding the contact portion 38, thereby freely setting the load characteristics including the operation stroke and operation load. It will be possible.
  • the switch is electrically opened / closed only by the contact portion 38 of the pressing member 30 and the central contact pattern 41 of the electric circuit board 40, only the central contact pattern 41 is required for the electric circuit board 40.
  • the case 10 used for the contact member 01 is configured such that the accommodating portion 18 forms a substantially cubic space.
  • the present invention is not limited to this, and FIG. 7A and FIG. ) As shown, it is possible to use a case in which the accommodating portion has a substantially cylindrical shape, and if the pressing member has a shape corresponding to the various cases described above, it can be used for the contact member according to the present invention. is there.
  • the material of the case 10 can be formed not only of a metal plate but also of a plastic material or the like.
  • the locking piece can be locked to the electric circuit board 40. That is, the contact member can be mounted on the electric circuit board without performing solder connection.
  • the contact member according to the present invention is folded back so that the upper end portion of the side wall of the case 10 is folded back toward the inside of the housing portion and the angle with the side wall is less than 90 degrees.
  • the portion 19 is formed, the foldable portion 19 is moved over while bending the pedestal portion 31 of the pressing member 30, the pedestal bottom surface 35 of the pedestal portion 31 is placed on the bottom plate 11, and the pressing member 30 is accommodated in the accommodating portion 18. It becomes.
  • the upper surface of the pedestal portion 31 is positioned at the same height as or slightly below the lower end of the folded portion 19, and the folded portion 19 prevents the pedestal portion 31 from exceeding the folded portion 19.
  • the pressing member 30 can no longer come out of the housing portion 18 and can have a shape and structure that can prevent an accident such as the pressing member 30 dropping out of the housing portion 18 during assembly and transportation during distribution. is there.

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  • Push-Button Switches (AREA)

Abstract

Provided is a contact member for mounting onto an electrical circuit board to function as a part of a switch, and for constituting a switch having a large operating stroke and a stable contact state. The member is constituted by: a base portion comprising a case in which a housing portion is formed by a bottom panel and a side wall, and an elastically deformable pressing member, the bottom panel having an opening, and the pressing member being positioned in the housing portion; an operating portion on which outside pressing force acts, and in which a contact point portion having conductivity is formed at a position facing the opening; and a deforming portion for linking the base portion and the operating portion, whereby the deforming portion deforms through application of outside pressing force to the operating portion, inducing downward displacement of the operating portion, so that a large operating stroke is obtained.

Description

接触部材Contact member
　本発明は、電気回路基板に実装されることによってスイッチが構成されることとなる接触部材に関するものであり、ケースと弾性変形可能な押圧部材とからなるものである。 The present invention relates to a contact member that constitutes a switch by being mounted on an electric circuit board, and includes a case and an elastically deformable pressing member.
　大きな動作ストロークを必要とする操作部に用いられるスイッチには図８に示すようなスイッチ１００がある。スイッチ１００は、開口部に接触面が露出した導電性を有するターミナル００２を一体成形したモールド材料からなるハウジング００１と、ターミナル００２に外周部が載置された際に中央部の舌片がターミナル００２から離間するように形成された接触片００３と、接触片００３に台座部が載置され上部に押圧力を受ける作用部が形成された内側が中空のすり鉢状の弾性体００４と、ハウジング００１に上下方向に摺動可能に嵌合されたキーステム００５とからなり、操作時には、キーステム００５の天面に押圧力が加わることにより弾性体００４の作用部が下方向に大きなストロークで変位し、接触片００３の舌片を押すこととなり、これによって接触片００３を介してハウジング００１に一体成形された中央接点を有するターミナルと中央接点の外側に外側接点を有するターミナルとが電気的に短絡しスイッチがＯＮ状態となるものである。 There is a switch 100 as shown in FIG. 8 as a switch used for an operation unit that requires a large operation stroke. The switch 100 includes a housing 001 made of a molding material integrally formed with a conductive terminal 002 whose contact surface is exposed at an opening, and a central tongue piece when the outer peripheral portion is placed on the terminal 002. A contact piece 003 formed so as to be separated from the contact piece 003, a mortar-shaped elastic body 004 having a hollow inside and formed with a pedestal portion mounted on the contact piece 003 and receiving a pressing force on the upper portion, and a housing 001 The key stem 005 is slidably fitted in the vertical direction. During operation, a pressing force is applied to the top surface of the key stem 005 to displace the action portion of the elastic body 004 with a large stroke in the downward direction. A terminal having a central contact formed integrally with the housing 001 via the contact piece 003. A terminal having an outer contact on the outside of the central contact is what switch electrically shorted is turned ON.
特許４２０９２２２号公報Japanese Patent No. 4209222
　しかしながら、このような従来のスイッチ１００においては、ＯＮ−ＯＦＦ動作を成すスイッチ単品としての物流が可能であるものの、スイッチ１００を電気機器に組み込む際には、スイッチ１００を実装するための電気回路基板（図示せず）およびキーステム００５を押すためのキートップ（図示せず）は必ず必要となる。またスイッチ１００はターミナル００２を一体成形したハウジング００１、接触片００３、弾性体００４、キーステム００５といった５点もの部品からなり、大きな部品コスト、組み立てコストが生じるものである。また動作ストロークが大きいが故にハウジング００１とキーステム００５との摺動距離も大きくなり、塵埃等によりこの摺動動作が妨げられ易いという問題点を有するものであった。
　そこで本発明は上述の問題を鑑み、少ない部品点数で構成され、且つ大きな動作ストロークをもってしてもスムーズな動作が可能であり、また物流においても問題なく、さらに電気機器に組み入れる際においても従来のスイッチ１００同様、実装するための電気回路基板およびキートップのみを必要とすることでＯＮ−ＯＦＦ動作が可能となるスイッチを構成することが出来る接触部材を提供することを目的としたものである。 However, although such a conventional switch 100 can be distributed as a single switch that performs an ON-OFF operation, when the switch 100 is incorporated into an electrical device, an electric circuit board for mounting the switch 100 is provided. (Not shown) and a key top (not shown) for pressing the key stem 005 are indispensable. Further, the switch 100 is composed of five parts such as a housing 001 in which a terminal 002 is integrally formed, a contact piece 003, an elastic body 004, and a key stem 005, which causes a large part cost and assembly cost. Further, since the operation stroke is large, the sliding distance between the housing 001 and the key stem 005 is increased, and this sliding operation is easily hindered by dust or the like.
In view of the above problems, the present invention is configured with a small number of parts and can operate smoothly even with a large operation stroke. Also, there is no problem in physical distribution, and even when it is incorporated into an electrical device, As with the switch 100, the object is to provide a contact member that can constitute a switch that can be turned on and off by requiring only an electric circuit board and a key top for mounting.
　この従来の問題を解決するために、請求項１記載の接触部材は、底板と側壁とによって収容部が形成されたケースと、弾性変形可能な押圧部材と、からなる接触部材において、前記底板には開口部が形成され、前記押圧部材は、前記底板に載置される台座部と、前記開口部に臨む位置に導電性を有する接点部が形成された動作部と、前記台座部から延出し前記動作部へと連続する変形部とを有し、前記動作部に押圧力が加わることにより前記変形部が変形し、前記接点部が開口部を経て前記収容部の外側に突出可能となることを特徴とするものである。
　請求項２記載の接触部材は、請求項１の構成に加え、前記側壁には開口する嵌合部が形成され前記台座部には凸部が形成され、前記押圧部材は、前記凸部が前記嵌合部に嵌合されることによって前記収容部へ組み入れられることを特徴とするものである。
　請求項３記載の接触部材は、請求項１の構成に加え、前記側壁には上端部が前記収容部の内側に折り返された折り返し部が形成され、前記押圧部材は、前記台座部が前記折り返し部を乗り越えることによって前記収容部へ組み入れられることを特徴とするものである。
　請求項４記載の接触部材は、請求項１の構成に加え、前記ケースは金属材料からなり、前記底板には前記収容部の外側へ突出した実装用はんだ付け部が形成されていることを特徴とするものである。
　請求項５記載の接触部材は、請求項１の構成に加え、前記底板において、前記押圧部材が載置される面とは反対側の面には絶縁処理が施されていることを特徴とするものである。
　請求項６記載の接触部材は、請求項１の構成に加え、前記押圧部材はラバーであり、前記接点部はカーボンを含む材料からなることを特徴とするものである。 In order to solve this conventional problem, the contact member according to claim 1 is a contact member including a case in which a housing portion is formed by a bottom plate and a side wall, and an elastically deformable pressing member. Is formed with an opening, and the pressing member extends from the pedestal, a pedestal that is placed on the bottom plate, an operating part in which a conductive contact is formed at a position facing the opening. A deformable portion that continues to the operating portion, the deformable portion is deformed by applying a pressing force to the operating portion, and the contact portion can project outside the accommodating portion through the opening. It is characterized by.
According to a second aspect of the present invention, in addition to the configuration of the first aspect, the contact member has a fitting portion that is open on the side wall, a convex portion is formed on the pedestal portion, and the pressing member has the convex portion that is By being fitted into the fitting portion, it is incorporated into the housing portion.
According to a third aspect of the present invention, in addition to the structure of the first aspect, the side wall is formed with a folded portion whose upper end portion is folded back inside the accommodating portion, and the pressing member has the pedestal portion folded back. It is characterized in that it is incorporated into the housing part by getting over the part.
According to a fourth aspect of the present invention, in addition to the structure of the first aspect, the case is made of a metal material, and the bottom plate is formed with a mounting soldering portion that protrudes to the outside of the housing portion. It is what.
According to a fifth aspect of the present invention, in addition to the configuration of the first aspect, the surface of the bottom plate opposite to the surface on which the pressing member is placed is subjected to insulation treatment. Is.
According to a sixth aspect of the present invention, in addition to the structure of the first aspect, the pressing member is a rubber, and the contact portion is made of a material containing carbon.
　請求項１の発明によると、収容部が形成されたケースと弾性変形可能な押圧部材との２点のみの部品によって接触部材が構成されるため、部品コスト、組立コストを小さくすることが可能であり、且つ動作部に形成された導電性を有する接点部が電気的機能を負うこととなるため、押圧部材の接点部を除く部分の材質の選択範囲は大きくなり、これによって動作特性等の設定の自由度も大きくなり、耐久性においてもより高い性能を得ることができる。また押圧部材のストロークが容易に大きくできることにより動作ストロークを大きくすることが容易に可能で、動作ストロークの設定も自在に出来る。そして、本接触部材を実装するための電気回路基板および押圧するためのキートップを電気機器に備えることのみで、ＯＮ−ＯＦＦ動作が行なえるスイッチを構成することが容易に可能であり、更には電気回路基板において２つの独立した回路パターンからなる中央接点部を、押圧部材の接点部に対向させた位置に設けることのみで、スイッチを構成することが可能であるため、電気回路基板の引き廻しが容易にでき、これによって回路を引き廻す際の制約を大きく減少させることが可能となる。
　請求項２の発明によると、ケースの側壁に開口された嵌合部に、台座部に形成された凸部が嵌合されることによって物流等において押圧部材が収容部から脱落する等の事故を防ぐことが可能となり、また側壁に嵌合部を開口するだけの構造であるため、側壁の高さをより低くすることが可能となり、本物品を電気機器に組み込む際において、より大きな組み込み自由度を得ることが可能となる。
　請求項３の発明によると、側壁の上端部が内側に折り返されていることにより、押圧部材の台座部が折り返し部分を越えて収容部の外側に出ることが出来なくなり、これによって物流等において押圧部材が収容部から脱落する等の事故を防ぐことが可能となる。
　請求項４の発明によると、底板に外側へ突出した実装用はんだ付け部を形成することにより、押圧部材が収容された収容部へはんだ付け実装時に発生するフラックスが侵入することを防ぐことができ、また実装用はんだ付け部へはんだ付けする際においてはんだフィレット形成が確実にでき、大きな実装強度を得ることが可能となる。
　請求項５の発明によると、底板の収容部とは反対側の面、つまり底板の電気回路基板側の面に絶縁処理が施されているため電気回路基板の電気回路パターンに絶縁処理を施す必要がなくなり、自由度の大きな電気回路パターンの引き廻しが可能となる。
　請求項６の発明によると、接点部をカーボンを含む弾性材料とすることにより、より安定した電気的、機械的接触が可能となる。 According to the first aspect of the present invention, since the contact member is constituted by only two parts, that is, the case in which the housing portion is formed and the pressing member that can be elastically deformed, it is possible to reduce the component cost and the assembly cost. In addition, since the conductive contact portion formed in the operation portion assumes an electrical function, the selection range of the material of the portion excluding the contact portion of the pressing member is increased, thereby setting the operation characteristics and the like. The degree of freedom increases, and higher performance in terms of durability can be obtained. Further, since the stroke of the pressing member can be easily increased, the operation stroke can be easily increased, and the operation stroke can be set freely. It is possible to easily configure a switch that can perform an ON-OFF operation only by providing an electric device with an electric circuit board for mounting the contact member and a key top for pressing. Since a switch can be configured only by providing a central contact point composed of two independent circuit patterns on the electric circuit board at a position facing the contact part of the pressing member, the electric circuit board can be routed. This makes it possible to greatly reduce the restrictions on circuit routing.
According to the invention of claim 2, there is an accident such as a pressing member falling off from the accommodating part in physical distribution or the like by fitting a convex part formed on the pedestal part into the fitting part opened in the side wall of the case. It is possible to prevent this, and since it is a structure that only opens the fitting portion on the side wall, the height of the side wall can be made lower, and a greater degree of freedom of incorporation when incorporating this article into an electrical device Can be obtained.
According to the invention of claim 3, since the upper end portion of the side wall is folded inward, the pedestal portion of the pressing member cannot go beyond the folded portion to the outside of the accommodating portion, thereby pressing in the physical distribution etc. It becomes possible to prevent accidents such as the member dropping off from the accommodating portion.
According to the invention of claim 4, by forming the soldering portion for mounting protruding outward on the bottom plate, it is possible to prevent the flux generated during soldering and mounting from entering the housing portion in which the pressing member is housed. Also, when soldering to the mounting soldering portion, the solder fillet can be reliably formed, and a large mounting strength can be obtained.
According to the invention of claim 5, since the insulation treatment is performed on the surface of the bottom plate opposite to the housing portion, that is, the surface of the bottom plate on the electric circuit board side, it is necessary to perform the insulation treatment on the electric circuit pattern of the electric circuit board. Therefore, it is possible to route an electric circuit pattern with a high degree of freedom.
According to the invention of claim 6, by making the contact portion an elastic material containing carbon, more stable electrical and mechanical contact is possible.
　図１は本発明に係る接触部材の正面斜視図
　図２は本発明に係る接触部材の分解正面斜視図
　図３は本発明に係る接触部材と電気回路基板の分解正面斜視図
　図４は本発明に係る接触部材を電気回路基板に実装した状態の正面斜視図
　図５は図４のａ−ａ線における断面図
　図６は本発明に係る接触部材が押圧力により動作された状態での図４のａ−ａ線における断面図
　図７は本発明に係るその他の接触部材の実施例についての分解正面斜視図
　図８は従来のスイッチの分解斜視図 1 is a front perspective view of a contact member according to the present invention. FIG. 2 is an exploded front perspective view of a contact member according to the present invention. FIG. 3 is an exploded front perspective view of a contact member and an electric circuit board according to the present invention. FIG. 5 is a cross-sectional view taken along the line aa of FIG. 4. FIG. 6 is a view of the contact member according to the present invention operated by a pressing force. FIG. 7 is an exploded front perspective view of an embodiment of another contact member according to the present invention. FIG. 8 is an exploded perspective view of a conventional switch.
　以下、本発明の実施の形態を図面を参照して詳細に説明する。図１乃至図７は本発明の実施の形態を示したものであり、図１は本発明に係る接触部材の正面斜視図、図２は本発明に係る接触部材の分解正面斜視図、図３は本発明に係る接触部材と電気回路基板の分解正面斜視図、図４は本発明に係る接触部材を電気回路基板に実装した状態の正面斜視図、図５は図４のａ−ａ線における断面図、図６は本発明に係る接触部材が押圧力により動作された状態での図４のａ−ａ線における断面図、図７は本発明に係るその他の接触部材の実施例についての分解正面斜視図である。接触部材０１は、ケース１０、押圧部材３０とからなる。
　ケース１０は、金属板を加工したものであり、略正方形状の底板１１には、円状に空いた開口部１２が形成され、底板１１の外周からはほぼ垂直方向に立ち上がる側壁２０が形成され、この側壁２０と前述の底板１１とによって略立方形状の空間を有する収容部１８が形成される。ここで側壁２０の上辺より一定幅の梁を設けて下方に底面まで開口する略長方形状の嵌合部２３が穿設される。さらに側壁２０には、底板１１から上方が切り欠かれた切り欠き部２２が形成され、切り欠き部２２においては底板１１から底板１１と同一平面で形成され収容部１８の外側へ延出する実装用はんだ付け部２１が形成される。また、底板１１の開口部１２の周囲には、後述の押圧部材３０の位置を維持するために上方に凸状に形成された環状位置決め凸部１６が形成される。
　押圧部材３０はラバー等の弾性材料からなり、一定肉厚を有しケース１０の底板１１の外形よりも僅かに小さな外形を有する略立方形状に形成された台座部３１と、上面に平面状の押圧面３６を有する略円筒状の動作部３２と、が薄肉で形成された変形部３３によって連結されており、全体の形状として、すり鉢状の空間を上下反対にした空間が内側に形成される。そして動作部３２押圧面３６の反対側の面には前述の内側のすり鉢状の空間３７に臨む押圧部３４が突出しており、その先端部には押圧面３６にほぼ平行な平面を有するカーボンを含む弾性材料からなる導電性を有する接点部３８が接着または一体成形により形成されている。また、略立方形状の台座部３１の側壁からは水平方向に突出する略長方形状の凸部が形成されている。
　次に以上の構成部品による接触部材０１の組み立ておよび電気回路基板４０への実装について説明する。接触部材０１はケース１０に押圧部材３０を組み入れることによって完成する。押圧部材３０の台座部３１を撓ませながら凸部３９をケース０１の嵌合部２３に嵌合することによって収容部１８から押圧部材３０が抜け出ることが出来なくなり、組み立ておよび物流時の運搬等において押圧部材３０が収容部１８から抜け落ちる等の事故を防止できることとなる。また、このような組み立てはケース１０の側壁２０に押圧部材３０の凸部３９が嵌合する嵌合部２３が形成されるスペースさえあれば可能であることから側壁２０の高さを低く設定することが可能となり、これによって、組み立てられた接触部材０１が後に述べるように電気回路基板４０に実装され電気機器に組み入れられる場合において、側壁２０と電気機器に備えられた諸部品との干渉をより容易に回避できることが可能となる。
　このように完成した接触部材０１は電気機器に組み入れられる際には図３乃至図６に示すように電気機器に備えられる電気回路基板４０に実装され、これによって電気回路基板を含んだ状態でスイッチとして機能することとなる。
　電気回路基板４０には、接触部材０１の実装用はんだ付け部２１に対応する位置にはんだ付け可能な実装パターン４３が形成され、上方向からの矢視において接点部３８に対応する位置に実装パターン４３とは独立した接点部３８と接触可能な電気回路パターンである中央接点パターン４１が形成され、接触部材０１の実装用はんだ付け部２１が実装パターン４３にはんだ付けされることにより、接触部材０１の電気回路基板への実装が完了し、これによって接点部３８は中央接点パターン４１のほぼ真上に離間して位置することとなる。ここで中央接点パターン４１は図３に示すように独立した２つの接点パターンが一定の間隔を隔てて同心円状または櫛歯状に配置されたものである。またこの際、中央接点パターン４１から延出する電気回路パターンは底板１１の下に配置され底板１１に接触する可能性が有るため、相当する電気回路パターンの表面には絶縁処理が施されるか、または中央接点パターン４１から延出する電気回路パターンにはレジスト処理が施され底板１１とは絶縁されることとなる。
　このように完成および実装された接触部材０１は以下のように動作される。図５、図６に示すように、まず、押圧部材３０の動作部３２の押圧面に電気機器に備えられたキートップ（図示せず）を介して押圧力が加わる。これによって変形部３３が弾性変形しながら動作部３２が下方向へ変位し、押圧部３４の先端にある接点部３８が中央接点４１に接触することとなる。
　これによって電気回路基板４０の中央接点パターン４１を形成する２つの独立した接点パターンが接点部３８を介して電気的に短絡することになり、接触部材０１と電気回路基板４１とによって構成されたスイッチがＯＮ状態となる。
　このように本発明における接触部材０１はケース０１と押圧部材３０のみによって構成されるにもかかわらず、電気回路基板に実装するのみでスイッチの構成の一部として機能する。また、押圧部材３０の使用により大きな動作ストロークを得ることが可能となる。
　また、押圧部材３０の接点部３８のみが電気回路基板４０の中央接点パターン４１に接触することによりスイッチの電気的動作をすることとなるため、押圧部材３０の接点部３８を除く部分には特に導電性を有する等の電気的性能に係る性能が必要ではなくなり、これによって接点部３８を除く部分の材質の選択自由度が広がり、これによって動作ストローク、動作荷重を含む荷重特性の設定が自由にできることとなる。
　更には、押圧部材３０の接点部３８と電気回路基板４０の中央接点パターン４１のみによってスイッチの電気的開閉が行なわれるため、電気回路基板４０に必要とされる接点パターンは中央接点パターン４１のみとなり、これによって電気回路基板４０に回路を引き廻す際の制約を大きく減少させることが可能となる。
　なお、以上の実施例において本接触部材０１に用いるケース１０は、収容部１８が略立方形状の空間を成すものとしたが、これに限るものではなく、図７（ａ）および図７（ｃ）示すように収容部が略円筒形状を成すケースを用いることも可能であり、押圧部材も前述の各種ケースに対応する形状のものであれば、本発明に係る接触部材に用いることは可能である。また、ケース１０の材質においても金属板のみならずプラスチック材料等により形成することが可能であり、この場合、ケース１０において底板１１に対して垂直方向に弾性を有する係止片を形成することにより、該係止片を電気回路基板４０に係止することが可能となる。すなわち、はんだ接続を行なうことなく接触部材を電気回路基板に実装することが可能となる。
　さらに本発明に係る接触部材は、図７（ｂ）、（ｃ）に示すようにケース１０の側壁の上端部は収容部の内側方向へ折り返され、側壁との角度を９０度未満とする折り返し部１９が形成され、押圧部材３０の台座部３１を撓ませながら折り返し部１９を乗り越えさせ台座部３１の台座底面３５を底板１１に載置し、押圧部材３０が収容部１８に収容されることとなる。これによって台座部３１の上面が折り返し部１９の下端部と同じ高さあるいは僅かに下側に位置することとなり、折り返し部１９によって台座部３１が折り返し部１９を超えることができなくなる。つまり、収容部１８から押圧部材３０が抜け出ることが出来なくなり、組み立ておよび物流時の運搬等において押圧部材３０が収容部１８から抜け落ちる等の事故を防止できることとなる形状および構造とすることも可能である。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 7 show an embodiment of the present invention. FIG. 1 is a front perspective view of a contact member according to the present invention. FIG. 2 is an exploded front perspective view of the contact member according to the present invention. Is an exploded front perspective view of the contact member and the electric circuit board according to the present invention, FIG. 4 is a front perspective view of the contact member according to the present invention mounted on the electric circuit board, and FIG. 5 is a line aa in FIG. 6 is a cross-sectional view taken along the line aa of FIG. 4 in a state where the contact member according to the present invention is operated by a pressing force, and FIG. 7 is an exploded view of another embodiment of the contact member according to the present invention. It is a front perspective view. The contact member 01 includes a case 10 and a pressing member 30.
The case 10 is obtained by processing a metal plate. A substantially square bottom plate 11 is formed with a circular opening 12 and a side wall 20 rising from the outer periphery of the bottom plate 11 in a substantially vertical direction. The side wall 20 and the above-described bottom plate 11 form an accommodating portion 18 having a substantially cubic space. Here, a substantially rectangular fitting portion 23 is provided which is provided with a beam having a constant width from the upper side of the side wall 20 and opens downward to the bottom surface. Further, the side wall 20 is formed with a notch 22 cut out from the bottom plate 11. The notch 22 is formed in the same plane as the bottom plate 11 from the bottom plate 11 and extends outside the accommodating portion 18. The soldering part 21 for a machine is formed. In addition, an annular positioning convex portion 16 is formed around the opening 12 of the bottom plate 11 and is convex upward so as to maintain the position of a pressing member 30 described later.
The pressing member 30 is made of an elastic material such as rubber, has a constant thickness, has a base portion 31 formed in a substantially cubic shape having an outer shape slightly smaller than the outer shape of the bottom plate 11 of the case 10, and a flat surface on the upper surface. The substantially cylindrical operating part 32 having the pressing surface 36 is connected by a deformed part 33 formed of a thin wall, and as a whole, a space in which the mortar-like space is turned upside down is formed inside. . A pressing portion 34 facing the inner mortar-shaped space 37 protrudes from the surface opposite to the operating portion 32 pressing surface 36, and carbon having a plane substantially parallel to the pressing surface 36 is formed at the tip thereof. A conductive contact portion 38 made of an elastic material is formed by adhesion or integral molding. Further, a substantially rectangular convex portion protruding in the horizontal direction is formed from the side wall of the substantially cubic base portion 31.
Next, assembly of the contact member 01 using the above-described components and mounting on the electric circuit board 40 will be described. The contact member 01 is completed by incorporating the pressing member 30 into the case 10. By fitting the convex portion 39 to the fitting portion 23 of the case 01 while bending the pedestal portion 31 of the pressing member 30, the pressing member 30 can no longer come out of the accommodating portion 18, and in assembling and transportation during distribution, etc. It is possible to prevent accidents such as the pressing member 30 falling out of the accommodating portion 18. In addition, since such an assembly is possible as long as there is a space in which the fitting portion 23 into which the convex portion 39 of the pressing member 30 is fitted is formed on the side wall 20 of the case 10, the height of the side wall 20 is set low. As a result, when the assembled contact member 01 is mounted on the electric circuit board 40 and incorporated in the electric device as will be described later, the interference between the side wall 20 and the components provided in the electric device is further reduced. It can be easily avoided.
The contact member 01 thus completed is mounted on the electric circuit board 40 provided in the electric device as shown in FIGS. 3 to 6 when incorporated in the electric device, and thereby the switch is included in the state including the electric circuit board. Will function as.
A mounting pattern 43 that can be soldered is formed on the electric circuit board 40 at a position corresponding to the mounting soldering portion 21 of the contact member 01, and the mounting pattern is positioned at a position corresponding to the contact portion 38 when viewed from above. A central contact pattern 41, which is an electric circuit pattern that can come into contact with the contact portion 38 independent of 43, is formed, and the mounting soldering portion 21 of the contact member 01 is soldered to the mounting pattern 43. Is mounted on the electric circuit board, whereby the contact portion 38 is positioned substantially directly above the central contact pattern 41. Here, as shown in FIG. 3, the central contact pattern 41 is a pattern in which two independent contact patterns are arranged concentrically or in a comb shape at a predetermined interval. At this time, since the electric circuit pattern extending from the central contact pattern 41 is arranged below the bottom plate 11 and may contact the bottom plate 11, is the surface of the corresponding electric circuit pattern subjected to insulation treatment? Alternatively, the electrical circuit pattern extending from the central contact pattern 41 is subjected to a resist process and insulated from the bottom plate 11.
The contact member 01 thus completed and mounted is operated as follows. As shown in FIGS. 5 and 6, first, a pressing force is applied to the pressing surface of the operating portion 32 of the pressing member 30 through a key top (not shown) provided in the electric device. As a result, the operating portion 32 is displaced downward while the deforming portion 33 is elastically deformed, and the contact portion 38 at the tip of the pressing portion 34 comes into contact with the central contact 41.
As a result, two independent contact patterns forming the central contact pattern 41 of the electric circuit board 40 are electrically short-circuited via the contact portions 38, and the switch constituted by the contact member 01 and the electric circuit board 41. Is turned on.
As described above, the contact member 01 according to the present invention is configured only by the case 01 and the pressing member 30, and functions as a part of the configuration of the switch only by being mounted on the electric circuit board. Further, a large operation stroke can be obtained by using the pressing member 30.
In addition, since only the contact portion 38 of the pressing member 30 contacts the central contact pattern 41 of the electric circuit board 40 to perform the electrical operation of the switch, the portion of the pressing member 30 excluding the contact portion 38 is particularly special. Performance related to electrical performance such as conductivity is no longer necessary, which increases the degree of freedom in selecting the material of the portion excluding the contact portion 38, thereby freely setting the load characteristics including the operation stroke and operation load. It will be possible.
Further, since the switch is electrically opened / closed only by the contact portion 38 of the pressing member 30 and the central contact pattern 41 of the electric circuit board 40, only the central contact pattern 41 is required for the electric circuit board 40. As a result, it is possible to greatly reduce the restrictions on routing the circuit on the electric circuit board 40.
In the above embodiment, the case 10 used for the contact member 01 is configured such that the accommodating portion 18 forms a substantially cubic space. However, the present invention is not limited to this, and FIG. 7A and FIG. ) As shown, it is possible to use a case in which the accommodating portion has a substantially cylindrical shape, and if the pressing member has a shape corresponding to the various cases described above, it can be used for the contact member according to the present invention. is there. Further, the material of the case 10 can be formed not only of a metal plate but also of a plastic material or the like. In this case, by forming a locking piece having elasticity in the vertical direction with respect to the bottom plate 11 in the case 10. The locking piece can be locked to the electric circuit board 40. That is, the contact member can be mounted on the electric circuit board without performing solder connection.
Furthermore, as shown in FIGS. 7B and 7C, the contact member according to the present invention is folded back so that the upper end portion of the side wall of the case 10 is folded back toward the inside of the housing portion and the angle with the side wall is less than 90 degrees. The portion 19 is formed, the foldable portion 19 is moved over while bending the pedestal portion 31 of the pressing member 30, the pedestal bottom surface 35 of the pedestal portion 31 is placed on the bottom plate 11, and the pressing member 30 is accommodated in the accommodating portion 18. It becomes. As a result, the upper surface of the pedestal portion 31 is positioned at the same height as or slightly below the lower end of the folded portion 19, and the folded portion 19 prevents the pedestal portion 31 from exceeding the folded portion 19. In other words, the pressing member 30 can no longer come out of the housing portion 18 and can have a shape and structure that can prevent an accident such as the pressing member 30 dropping out of the housing portion 18 during assembly and transportation during distribution. is there.
　０１　接触部材
　１０　ケース
　１１　底板
　１２　開口部
　１６　環状位置決め凸部
　１８　収容部
　１９　折り返し部
　２０　側壁
　２１　実装用はんだ付け部
　２２　切り欠き部
　２３　嵌合部
　３０　押圧部材
　３１　台座部
　３２　動作部
　３３　変形部
　３４　押圧部
　３５　台座底面
　３６　押圧面
　３７　内側の空間
　３８　接点部
　３９　凸部
　４０　電気回路基板
　４１　中央接点パターン
　４３　実装パターン
　１００　スイッチ
　００１　ハウジング
　００２　ターミナル
　００３　接触片
　００４　弾性体
　００５　キーステム 01 contact member 10 case 11 bottom plate 12 opening 16 annular positioning convex portion 18 accommodating portion 19 folded portion 20 side wall 21 mounting soldering portion 22 notch portion 23 fitting portion 30 pressing member 31 pedestal portion 32 operating portion 33 deforming portion 34 Pressing portion 35 Base bottom surface 36 Pressing surface 37 Inner space 38 Contact portion 39 Protruding portion 40 Electric circuit board 41 Central contact pattern 43 Mounting pattern 100 Switch 001 Housing 002 Terminal 003 Contact piece 004 Elastic body 005 Key stem

Claims (6)

  1. 　底板と側壁とによって収容部が形成されたケースと、弾性変形可能な押圧部材と、からなる接触部材において、前記底板には開口部が形成され、前記押圧部材は、前記底板に載置される台座部と、前記開口部に臨む位置に導電性を有する接点部が形成された動作部と、前記台座部から延出し前記動作部へと連続する変形部とを有し、前記動作部に押圧力が加わることにより前記変形部が変形し、前記接点部が開口部を経て前記収容部の外側に突出可能となることを特徴とする接触部材。 An opening is formed in the bottom plate, and the pressing member is placed on the bottom plate. The contact member includes a case in which a housing portion is formed by a bottom plate and a side wall and an elastically deformable pressing member. A pedestal portion; an operating portion having a conductive contact portion formed at a position facing the opening; and a deforming portion extending from the pedestal portion and continuing to the operating portion. The contact member is characterized in that when the pressure is applied, the deformable portion is deformed, and the contact portion can project to the outside of the accommodating portion through an opening.
  2. 　前記側壁には開口する嵌合部が形成され前記台座部には凸部が形成され、前記押圧部材は、前記凸部が前記嵌合部に嵌合されることによって前記収容部へ組み入れられることを特徴とする請求項１記載の接触部材。 The side wall has a fitting portion that is open, the pedestal portion has a convex portion, and the pressing member is incorporated into the receiving portion by fitting the convex portion to the fitting portion. The contact member according to claim 1.
  3. 　前記側壁には上端部が前記収容部の内側に折り返された折り返し部が形成され、前記押圧部材は、前記台座部が前記折り返し部を乗り越えることによって前記収容部へ組み入れられることを特徴とする請求項１記載の接触部材。 The side wall is formed with a folded portion whose upper end portion is folded back inside the housing portion, and the pressing member is incorporated into the housing portion when the pedestal portion gets over the folded portion. Item 1. The contact member according to Item 1.
  4. 　前記ケースは金属材料からなり、前記底板には前記収容部の外側へ突出した実装用はんだ付け部が形成されていることを特徴とする請求項１記載の接触部材。 The contact member according to claim 1, wherein the case is made of a metal material, and a soldering portion for mounting is formed on the bottom plate so as to protrude to the outside of the housing portion.
  5. 　前記底板において、前記押圧部材が載置される面とは反対側の面には絶縁処理が施されていることを特徴とする請求項１記載の接触部材。 The contact member according to claim 1, wherein a surface of the bottom plate opposite to a surface on which the pressing member is placed is subjected to insulation treatment.
  6. 　前記押圧部材はラバーであり、前記接点部はカーボンを含む材料からなることを特徴とする請求項１記載の接触部材。 The contact member according to claim 1, wherein the pressing member is a rubber, and the contact portion is made of a material containing carbon.
PCT/JP2012/082597 2012-02-03 2012-12-11 Contact member WO2013114744A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012035603A JP5429315B2 (en) 2012-02-03 2012-02-03 Contact member
JP2012-35603 2012-02-03

Publications (1)

Publication Number Publication Date
WO2013114744A1 true WO2013114744A1 (en) 2013-08-08

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ID=48904802

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Application Number Title Priority Date Filing Date
PCT/JP2012/082597 WO2013114744A1 (en) 2012-02-03 2012-12-11 Contact member

Country Status (2)

Country Link
JP (1) JP5429315B2 (en)
WO (1) WO2013114744A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7152000B2 (en) * 2018-07-27 2022-10-12 積水ポリマテック株式会社 Rubber switch member, frame member and switch device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240734U (en) * 1985-08-30 1987-03-11
JPH05325710A (en) * 1992-03-16 1993-12-10 Alps Electric Co Ltd Push button switch
JP2003109453A (en) * 2001-09-27 2003-04-11 Alps Electric Co Ltd Push-button switch
JP2011119043A (en) * 2009-12-01 2011-06-16 Smk Corp Contact rubber

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001184984A (en) * 1999-12-28 2001-07-06 Alps Electric Co Ltd Push button switch
JP4034574B2 (en) * 2002-02-15 2008-01-16 アルプス電気株式会社 Movable contact body for pushbutton switch and switch device using the same
JP4084066B2 (en) * 2002-03-25 2008-04-30 アルプス電気株式会社 Movable contact body for pushbutton switch and switch device using the same
JP4054213B2 (en) * 2002-04-26 2008-02-27 アルプス電気株式会社 Movable contact assembly and switch device using the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240734U (en) * 1985-08-30 1987-03-11
JPH05325710A (en) * 1992-03-16 1993-12-10 Alps Electric Co Ltd Push button switch
JP2003109453A (en) * 2001-09-27 2003-04-11 Alps Electric Co Ltd Push-button switch
JP2011119043A (en) * 2009-12-01 2011-06-16 Smk Corp Contact rubber

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JP5429315B2 (en) 2014-02-26

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