WO2022166790A1 - Commutateur à clé de branchement à répétition - Google Patents

Commutateur à clé de branchement à répétition Download PDF

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Publication number
WO2022166790A1
WO2022166790A1 PCT/CN2022/074476 CN2022074476W WO2022166790A1 WO 2022166790 A1 WO2022166790 A1 WO 2022166790A1 CN 2022074476 W CN2022074476 W CN 2022074476W WO 2022166790 A1 WO2022166790 A1 WO 2022166790A1
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WO
WIPO (PCT)
Prior art keywords
static
piece
moving piece
electrical connection
connection area
Prior art date
Application number
PCT/CN2022/074476
Other languages
English (en)
Chinese (zh)
Inventor
吴福喜
胡海鑫
Original Assignee
东莞市凯华电子有限公司
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 东莞市凯华电子有限公司 filed Critical 东莞市凯华电子有限公司
Publication of WO2022166790A1 publication Critical patent/WO2022166790A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • 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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
    • H01H13/7073—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards characterised by springs, e.g. Euler springs

Definitions

  • the utility model relates to the field of key switches, in particular to a key switch that is repeatedly inserted and pulled out.
  • the mechanical switch of the existing mechanical keyboard is directly welded on the PCB board, and its defects are very obvious: once the mechanical switch is defective or damaged, it is difficult to replace the mechanical switch, and the maintenance cost is high. It wastes a long time, and there are hidden dangers of welding; in addition, this structural design also prevents end users from choosing different types of mechanical switches for different keys of the keyboard according to their own preferences.
  • the purpose of the present invention is to provide a repeatedly plugging and unplugging key switch, which has the function of switching electrical conduction and also has the ability to repeatedly plug and unplug.
  • the switch body When the switch body is defective or damaged, the whole switch body can be removed. It can be directly pulled out for repair or replacement, which is convenient and quick to repair and replace; moreover, there is no need to add additional connectors, and the product structure and cost will not be increased.
  • a push button switch for repeated plugging and unplugging includes a PCB board and a switch body disposed on the PCB board, the switch body includes a conduction component, and the conduction component includes a moving piece and a static piece, and is characterized in that: The moving piece is formed with a bending portion of the moving piece that is electrically connected to the PCB, and a bending portion of the static piece that is electrically connected to the PCB is formed on the static piece; the PCB is provided with a lower end plug of the moving piece.
  • a first plug hole for unplugging, and a second plug hole for plugging and unplugging the lower end of the static piece is opened on the PCB board.
  • both the moving piece bending part and the static piece bending part are elastic bodies.
  • the bending portion of the moving piece and the bending portion of the static piece are both arc-shaped.
  • a first electrical connection area and a second electrical connection area are arranged on the PCB board, the bending portion of the moving piece is in contact with the first electrical connection area, and the static piece is bent The folded portion is in contact with the second electrical connection area.
  • the first electrical connection area is one of the solder paste coating and the copper layer
  • the second electrical connection area is one of the solder paste coating and the copper layer kind.
  • the first electrical connection area is disposed on the periphery of the upper end face of the first plugging hole
  • the second electrical connection area is disposed on the periphery of the upper end face of the second plugging hole.
  • the moving piece is mainly composed of a moving piece main body and a moving piece pin connected to the moving piece main body, the moving piece bending part is formed on the upper end of the moving piece pin and is connected with the moving piece main body, The lower end of the pin of the moving piece is movably inserted into the first insertion hole, and the lower end surface of the bent portion of the moving piece is in contact with the first electrical connection area.
  • the static plate is mainly composed of a static plate main body and a static plate pin connected to the static plate main body, and the static plate bent portion is formed on the upper end of the static plate pin and connected with the static plate main body, The lower end of the pin of the static piece is movably inserted into the second insertion hole, and the lower end surface of the bent portion of the static piece is in contact with the second electrical connection area.
  • the bending part of the moving piece of the moving piece and the bending part of the static piece of the static piece have elastic and arc-shaped structural characteristics, the bending part of the moving piece and the bending part of the static piece will not be too large.
  • the force can withstand the first electrical connection area and the second electrical connection area, and it is also easy to pull out the moving piece and the static piece from the PCB board. It can still stick to the first electrical connection area and the second electrical connection area, thereby improving the ability of repeated insertion and extraction, and the multiple insertion and extraction will not affect the conduction performance of the switch.
  • Fig. 1 is a sectional view of the utility model
  • Fig. 2 is another sectional view of the utility model
  • Fig. 3 is the structural schematic diagram that the moving piece and the static piece are arranged on the PCB board in the utility model;
  • Fig. 4 is the structural representation of the middle moving plate of the utility model
  • Fig. 5 is the structural representation of the static film in the utility model
  • FIG. 7 is a schematic structural diagram of the conduction component and the guide core in an unpressed state of the present invention.
  • FIG. 8 is a schematic structural diagram of the conduction assembly and the guide core in a pressed state of the present invention.
  • FIG. 10 is a schematic diagram of the rear structure of the switch body disposed on the PCB board in the present invention.
  • an embodiment of the present invention provides a push-button switch that repeatedly plugs and pulls, including a PCB board 1 and a switch body 2 disposed on the PCB board 1 , and the switch body 2 includes a conduction component 21.
  • the conduction component 21 includes a moving piece 211 and a static piece 212.
  • a moving piece bending portion 2110 is formed on the moving piece 211 and is electrically connected to the PCB board.
  • the static piece 212 is formed with a PCB board.
  • the moving piece bending portion 2110 of the moving piece 211 and the static piece bending portion 2120 of the static piece 212 By using the moving piece bending portion 2110 of the moving piece 211 and the static piece bending portion 2120 of the static piece 212 to be directly electrically connected to the PCB board, and adding a first plugging hole 13 and a second plugging hole on the PCB board 1 14.
  • the lower end of the moving piece 211 and the lower end of the static piece 212 are respectively inserted and removed, so that the moving piece 211 and the static piece 212 have the function of switching electrical conduction and also have the capability of repeated insertion and removal.
  • the moving piece bending portion 2110 and the static piece bending portion 2120 are both elastic bodies, that is, the moving piece bending portion 2110 and the static piece bending portion 2120 both have elasticity.
  • both the moving piece bending portion 2110 and the static piece bending portion 2120 are arc-shaped, as shown in FIG. 4 and FIG. 5 .
  • a first electrical connection area 11 and a second electrical connection area 12 are provided on the PCB board 1 , and the moving piece bending portion 2110 is in contact with the first electrical connection area 11 to achieve electrical connection.
  • the bent portion 2120 of the static sheet is in contact with the second electrical connection region 12 for electrical connection.
  • the bent portion 2110 of the moving piece When the lower end of the moving piece 211 is inserted into the first insertion hole 13 , the bent portion 2110 of the moving piece is in direct contact with the first electrical connection area 11 and exerts a small downward force on the first electrical connection area 11 . That is, the bending portion 2110 of the moving piece is pressed on the first electrical connection region 11 to realize electrical connection. Since the moving piece bending portion 2110 has an elastic and arc-shaped structure, the moving piece bending portion 2110 will not bear the first electrical connection area 11 with excessive force, and it is also convenient to remove the moving piece 211 from the PCB.
  • the bent portion 2110 of the moving piece can still stick to the first electrical connection area 11, thereby improving the ability of repeated plugging and unplugging, and multiple plugging and unplugging will not affect the conduction performance of the switch.
  • the static sheet bending portion 2120 will not bear the second electrical connection area 12 with excessive force, and it is also convenient for the static sheet to be bent. 212 is pulled out from the PCB board.
  • the bent portion 2120 of the static sheet can still stick to the second electrical connection area 12, thereby improving the ability of repeated plugging and unplugging, and multiple plugging and unplugging will not affect the conduction performance of the switch .
  • the first electrical connection region 11 is one of the solder paste coating and the copper layer
  • the second electrical connection region 12 is the solder paste coating and the copper layer. one of them.
  • the first electrical connection area 11 can be disposed on the periphery of the upper end face of the first plug-in hole 13
  • the second electrical connection area 12 can be disposed on the top of the second plug-in hole 14 . End face periphery.
  • bent portion 2110 of the moving piece can always be in easy contact with the first electrical connection region 11
  • bent portion 2120 of the static piece can always be in easy contact with the second electrical connection region 12 .
  • the moving piece 211 is mainly composed of a moving piece main body 2111 and a moving piece pin 2112 connected to the moving piece main body 2111 , and the moving piece bending portion 2110 is formed on the moving piece
  • the upper end of the pin 2112 is connected to the moving piece body 2111
  • the lower end of the moving piece pin 2112 is movably inserted into the first insertion hole 13
  • the lower end surface of the moving piece bending portion 2110 is in contact with the first electrical connection area 11 .
  • the bent portion 2110 of the rotor When the lower end of the rotor pin 2112 is inserted into the first insertion hole 13, the bent portion 2110 of the rotor is just stuck above the first insertion hole 13, and will not fall into the first insertion hole 13, and will be bent sideways.
  • the bent portion 2110 of the folded moving piece is in direct contact with the first electrical connection area 11 , so as to realize the electrical connection between the moving piece 211 and the PCB board 1 , as shown in FIG. 3 .
  • the static plate 212 is mainly composed of a static plate main body 2121 and a static plate pin 2122 connected to the static plate main body 2121 , and the static plate bending portion 2120 is formed on the static plate
  • the upper end of the pin 2122 is connected to the stationary plate body 2121
  • the lower end of the stationary plate pin 2122 is movably inserted into the second insertion hole 14
  • the lower end surface of the stationary plate bending portion 2120 is in contact with the second electrical connection area 12 .
  • the bent portion 2120 of the static plate is just stuck above the second insertion hole 14, and will not fall into the second insertion hole 14, and is bent to the side.
  • the bent portion 2120 of the folded static sheet is in direct contact with the second electrical connection area 12 , so as to realize the electrical connection between the static sheet 212 and the PCB board 1 , as shown in FIG. 3 .
  • the switch body 2 When the plugging operation is performed, the switch body 2 as a whole performs the plugging operation on the PCB board 1 .
  • the switch body 2 When the switch body 2 is inserted into the PCB board 1, the moving piece pins 2112 of the moving piece 211 are inserted into the first insertion holes 13, and the moving piece bending portion 2110 is in contact with the first electrical connection area 11 to achieve electrical connection;
  • the static plate pins 2122 of the static plate 212 are inserted into the second insertion holes 14 , and the static plate bent portion 2120 is in contact with the second electrical connection area 12 to achieve electrical connection.
  • the switch body 2 When the switch body 2 is pulled out from the PCB board 1 , the switch body 2 is separated from the PCB board 1 as a whole.
  • the switch main body 2 includes a base 10 , an upper cover 20 disposed on the base 10 , and an upper cover 20 disposed in the base 10 and the upper cover 20 .
  • the pressing block 301 on the side of the guide core 30 pushes the moving piece body 2111 outward, so that the moving contact 2113 on the moving piece 211 is separated from the static contact 2123 on the static piece 212, That is, the switch is in the off state, as shown in Figure 7.
  • the moving piece main body 2111 is elastically reset along with the inclined surface, and finally the moving contact 2113 on the moving piece 211 is reset.
  • the positioning post 101 is pulled out from the positioning insertion hole 15 .

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)
  • Switches With Compound Operations (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

L'invention concerne un commutateur à clé de branchement à répétition, comprenant une carte de circuit imprimé (1), et un corps principal de commutateur (2) disposé sur la carte de circuit imprimé, le corps principal de commutateur comprenant un ensemble de conduction (21), l'ensemble de conduction comprenant une pièce mobile (211) et une pièce statique (212), une partie de courbure de pièce mobile (2110) connectée électriquement à la carte de circuit imprimé est formée sur la pièce mobile, et une partie de flexion de pièce statique (2120) connectée électriquement à la carte de circuit imprimé est formée sur la pièce statique ; et un premier trou de branchement (13) pour brancher une extrémité inférieure de la pièce mobile à l'intérieur de celle-ci est ménagé sur la carte de circuit imprimé, et un second trou de branchement (14) pour brancher une extrémité inférieure de la pièce statique à l'intérieur de celle-ci est ménagé sur la carte de circuit imprimé. Le commutateur à clé de branchement à répétition possède une fonction de conduction électrique de commutation, et a également une capacité de branchement à répétition ; lorsqu'un corps principal de commutateur est mauvais ou endommagé, le corps principal de commutateur entier peut être directement retiré pour la maintenance ou le remplacement, de telle sorte que l'entretien et le remplacement sont pratiques et rapides ; de plus, il n'est pas nécessaire de fournir en plus un connecteur, de telle sorte que les structures de produit et les coûts ne sont pas augmentés.
PCT/CN2022/074476 2021-02-04 2022-01-28 Commutateur à clé de branchement à répétition WO2022166790A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120349692.6U CN214898194U (zh) 2021-02-04 2021-02-04 一种反复插拔按键开关
CN202120349692.6 2021-02-04

Publications (1)

Publication Number Publication Date
WO2022166790A1 true WO2022166790A1 (fr) 2022-08-11

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Application Number Title Priority Date Filing Date
PCT/CN2022/074476 WO2022166790A1 (fr) 2021-02-04 2022-01-28 Commutateur à clé de branchement à répétition

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CN (1) CN214898194U (fr)
TW (1) TWM629440U (fr)
WO (1) WO2022166790A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214898194U (zh) * 2021-02-04 2021-11-26 东莞市凯华电子有限公司 一种反复插拔按键开关
CN114883135A (zh) * 2021-02-05 2022-08-09 东莞市凯华电子有限公司 一种快速插拔开关

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012113852A (ja) * 2010-11-22 2012-06-14 Sumitomo Electric Printed Circuit Inc スイッチ部品及びスイッチモジュール
CN105024205A (zh) * 2015-08-05 2015-11-04 欧普照明股份有限公司 一种用于灯具的电气连接装置及灯具
CN205376362U (zh) * 2016-01-19 2016-07-06 周飞跃 电子元器件可在线路板上自由插拔的结构
CN107369580A (zh) * 2017-08-23 2017-11-21 李婵 一种防水的新型机械键盘
CN207993734U (zh) * 2018-02-28 2018-10-19 东莞市凯华电子有限公司 一种插板式超薄型按键开关
CN214898194U (zh) * 2021-02-04 2021-11-26 东莞市凯华电子有限公司 一种反复插拔按键开关

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012113852A (ja) * 2010-11-22 2012-06-14 Sumitomo Electric Printed Circuit Inc スイッチ部品及びスイッチモジュール
CN105024205A (zh) * 2015-08-05 2015-11-04 欧普照明股份有限公司 一种用于灯具的电气连接装置及灯具
CN205376362U (zh) * 2016-01-19 2016-07-06 周飞跃 电子元器件可在线路板上自由插拔的结构
CN107369580A (zh) * 2017-08-23 2017-11-21 李婵 一种防水的新型机械键盘
CN207993734U (zh) * 2018-02-28 2018-10-19 东莞市凯华电子有限公司 一种插板式超薄型按键开关
CN214898194U (zh) * 2021-02-04 2021-11-26 东莞市凯华电子有限公司 一种反复插拔按键开关

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TWM629440U (zh) 2022-07-11
CN214898194U (zh) 2021-11-26

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