TWI620217B - Terminal pin set, key switch module and keyboard - Google Patents
Terminal pin set, key switch module and keyboard Download PDFInfo
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Abstract
一種導電片組件，適用於按鍵模組，且包含固定導電片、彈性導電片及不同高度的接觸結構。固定導電片插設於電路板且具固定片接觸部位。彈性導電片具彈性片接觸部位、組裝段與活動段。組裝段插設於電路板。活動段可擺動於組裝段一端而可活動於固定導電片與組裝段間。接觸結構介於固定導電片與活動段間。當活動段與固定導電片電性導通時，若接觸結構設於固定片接觸部位，接觸結構最高者與彈性導電片接觸，若接觸結構設於彈性片接觸部位，接觸結構最高者與固定片接觸部位接觸。一種包含該導電片組件的按鍵模組及用該按鍵模組的鍵盤也公開於此。A conductive sheet assembly suitable for a button module and comprising a fixed conductive sheet, an elastic conductive sheet and a contact structure of different heights. The fixed conductive piece is inserted into the circuit board and has a contact portion of the fixed piece. The elastic conductive sheet has an elastic sheet contact portion, an assembly section and an active section. The assembly section is inserted into the circuit board. The movable section can swing to one end of the assembly section and can move between the fixed conductive piece and the assembled section. The contact structure is between the fixed conductive strip and the active segment. When the active segment is electrically connected to the fixed conductive piece, if the contact structure is disposed at the contact portion of the fixed piece, the highest contact structure is in contact with the elastic conductive piece. If the contact structure is disposed at the contact portion of the elastic piece, the contact structure is the highest contact with the fixed piece. Contact with parts. A button module including the conductive sheet assembly and a keyboard using the same are also disclosed herein.
Description
本發明係關於按鍵模組，特別是一種適用於操作電子產品的導電片組件、包含其之按鍵模組及鍵盤。The invention relates to a button module, in particular to a conductive sheet assembly suitable for operating an electronic product, a button module comprising the same and a keyboard.
隨著科技的進步，各式各樣的電子產品，例如桌上型電腦、筆記型電腦等已成為人們生活及工作上必備的工具之一。其中，鍵盤為上述電子產品的主要操作裝置之一。市面上常見的鍵盤主要分為機械式鍵盤及薄膜式鍵盤兩種。機械式鍵盤因其具有的較佳觸擊手感與較長使用壽命，受到廣大消費者的喜愛。With the advancement of technology, a variety of electronic products, such as desktop computers, notebook computers, etc., have become one of the essential tools for people to live and work. Among them, the keyboard is one of the main operating devices of the above electronic products. Common keyboards on the market are mainly divided into mechanical keyboards and membrane keyboards. The mechanical keyboard is popular among consumers because of its better touch and long service life.
但隨著市場競爭越來越激烈，為了增加其競爭力，有必要針對目前機械式鍵盤的問題進行改善。舉例來說，傳統的機械式鍵盤中，每個按鍵內通常有插設於一位於按鍵下方的電路板的兩個導電片，其在每次按壓鍵帽時經由彼此的撞擊接觸而電性導通，以觸發按鍵所預設的訊號。但隨著使用次數的累積，導電片之間的接觸點被磨損，使得按鍵在被按壓時產生感應不良甚至失效的問題，進而影響按鍵的使用壽命。However, as the market competition becomes more and more fierce, in order to increase its competitiveness, it is necessary to improve the problem of the current mechanical keyboard. For example, in a conventional mechanical keyboard, each of the buttons usually has two conductive sheets inserted in a circuit board under the button, which are electrically connected through each other's impact contact each time the key cap is pressed. To trigger the signal preset by the button. However, as the number of uses increases, the contact points between the conductive sheets are worn, causing problems such as poor induction or even failure when the keys are pressed, thereby affecting the service life of the keys.
本發明在於提供一種導電片組件與包含其之按鍵模組，藉以延長機械式鍵盤的使用壽命。The invention provides a conductive sheet assembly and a button module including the same, thereby prolonging the service life of the mechanical keyboard.
本發明所揭露的導電片組件，適用於觸發一按鍵模組。導電片組件包含一固定導電片、一彈性導電片及具不同高度的至少兩個接觸結構。固定導電片用以插設於一位於該按鍵模組下方的電路板，且固定導電片具有一固定片接觸部位。彈性導電片具有一彈性片接觸部位、一組裝段與一活動段。彈性片接觸部位與固定片接觸部位相對。組裝段之一端用以插設於電路板。活動段可擺動地連接於組裝段之另一端而可活動地位於固定導電片與組裝段之間。接觸結構設置在固定片接觸部位或者彈性片接觸部位，並介於固定導電片與活動段之間。當活動段相對靠近固定導電片而與固定導電片電性導通時，若接觸結構設於固定片接觸部位，接觸結構中具最高高度者與彈性導電片相接觸，若接觸結構設於彈性片接觸部位，接觸結構中具最高高度者與固定片接觸部位相接觸。The conductive sheet assembly disclosed in the invention is suitable for triggering a button module. The conductive sheet assembly comprises a fixed conductive sheet, an elastic conductive sheet and at least two contact structures having different heights. The fixed conductive piece is inserted into a circuit board located under the button module, and the fixed conductive piece has a fixed piece contact portion. The elastic conductive sheet has an elastic sheet contact portion, an assembly section and a movable section. The contact portion of the elastic piece is opposed to the contact portion of the fixed piece. One end of the assembly section is inserted into the circuit board. The movable section is swingably coupled to the other end of the assembly section and is movable between the fixed conductive sheet and the assembled section. The contact structure is disposed at the contact portion of the fixing piece or the contact portion of the elastic piece, and is between the fixed conductive piece and the movable section. When the active segment is electrically connected to the fixed conductive piece relatively close to the fixed conductive piece, if the contact structure is disposed at the contact portion of the fixed piece, the highest height of the contact structure is in contact with the elastic conductive piece, and if the contact structure is disposed in the elastic piece contact The part with the highest height in the contact structure is in contact with the contact portion of the fixed piece.
本發明所揭露的按鍵模組，包含一按鍵開關、一鍵帽及一如前所述之導電片組件。按鍵開關包含一具有空腔的底座、一鍵軸、一如前所述之導電片組件及一彈性件。鍵軸、導電片組件及彈性件設置於底座內，且鍵軸相對底座可活動。鍵帽套設於鍵軸上，並隨該鍵軸一起朝向或遠離底座的底部移動。The button module disclosed in the present invention comprises a button switch, a keycap and a conductive sheet assembly as described above. The push button switch includes a base having a cavity, a key shaft, a conductive sheet assembly as described above, and an elastic member. The key shaft, the conductive sheet assembly and the elastic member are disposed in the base, and the key shaft is movable relative to the base. The key cap is sleeved on the key shaft and moves toward or away from the bottom of the base together with the key shaft.
本發明所揭露的鍵盤，包含一鍵盤殼體、多個如前所述的按鍵模組及一電路板。按鍵模組與電路板皆位於鍵盤殼體中，且這些按鍵模組電性連接於電路板。The keyboard disclosed in the present invention comprises a keyboard housing, a plurality of button modules as described above, and a circuit board. The button module and the circuit board are all located in the keyboard housing, and the button modules are electrically connected to the circuit board.
本發明所揭露的導電片組件與包含其之按鍵中，由於在固定片接觸部位或者彈性片接觸部位上設置多個不同高度的接觸結構，因而在使用一段時間後，具最高高度的接觸結構被磨損後，具次高高度的接觸結構將被使用，以此為延長按鍵壽命提供了可能。據此，本發明所提出的導電片組件的使用壽命可至少為傳統中僅有單一個接觸凸點的設計的數倍以上。In the conductive sheet assembly and the button including the same, since a plurality of contact structures of different heights are disposed on the contact portion of the fixed sheet or the contact portion of the elastic sheet, the contact structure having the highest height is used after being used for a period of time. After wear, the second highest height contact structure will be used, which will make it possible to extend the life of the button. Accordingly, the life of the conductive sheet assembly proposed by the present invention can be at least several times that of the conventional design with only one contact bump.
以上之關於本揭露內容之說明及以下之實施方式之說明係用以示範與解釋本發明之精神與原理，並且提供本發明之專利申請範圍更進一步之解釋。The above description of the disclosure and the following description of the embodiments of the present invention are intended to illustrate and explain the spirit and principles of the invention, and to provide further explanation of the scope of the invention.
本發明實施方式提供了一種適於延長按鍵使用壽命的按鍵模組及使用該按鍵模組的鍵盤。按鍵模組包括按鍵開關和可拆卸地或者固定地套設於按鍵開關上方的鍵帽，鍵帽跟隨按鍵開關朝向或遠離位於按鍵開關下方的電路板位移，以將鍵帽上的按壓力轉換為開關信號。按鍵開關包括底座、鍵軸、導電片組件與彈性件。鍵軸、導電片組件和彈性件均設置于底座的容腔內。鍵軸可拆卸地或固定地連接鍵帽，且隨鍵帽的按壓而壓縮彈性件，並迫使導電片組件電性連接位於底座下方的電路板，鍵軸還在鍵帽被撤銷按壓後隨彈性件的彈性作用而復位。導電片組件包含相對設置的固定導電片和彈性導電片。在鍵帽被按壓時，固定導電片上設有的固定片接觸部位與彈性導電片上設有的彈性片接觸部位相互接觸，使得導電片組件連接前述的電路板。由於固定片接觸部位和彈性片接觸部位在鍵帽被按壓時相互接觸，使用一段時間後，二者將有一定程度的磨損，為此，本發明實施方式中對導電片組件予以改進。Embodiments of the present invention provide a button module suitable for extending the life of a button and a keyboard using the button module. The button module includes a button switch and a key cap detachably or fixedly disposed above the button switch, and the key cap follows the button switch toward or away from the circuit board displacement under the button switch to convert the pressing force on the key cap into Switching signal. The push button switch includes a base, a key shaft, a conductive sheet assembly and an elastic member. The key shaft, the conductive sheet assembly and the elastic member are all disposed in the cavity of the base. The key shaft detachably or fixedly connects the key cap, and compresses the elastic member with the pressing of the key cap, and forces the conductive sheet assembly to be electrically connected to the circuit board located under the base, and the key shaft is elastic after the key cap is deactivated The elasticity of the piece is reset. The conductive sheet assembly includes oppositely disposed fixed conductive sheets and elastic conductive sheets. When the keycap is pressed, the contact portion of the fixing piece provided on the fixed conductive sheet contacts the contact portion of the elastic piece provided on the elastic conductive sheet, so that the conductive sheet assembly is connected to the circuit board. Since the contact portion of the fixing piece and the contact portion of the elastic piece contact each other when the key cap is pressed, the two will have a certain degree of wear after a period of use. For this reason, the conductive sheet assembly is improved in the embodiment of the present invention.
一種改進中，在固定片接觸部位或者彈性片接觸部位上設置多個不同高度的接觸結構。例如在固定片接觸部位上設置若干不同高度的接觸結構，使得在鍵帽被按壓後，固定導電片上具最高高度的接觸結構與彈性導電片的彈性片接觸部位相接觸；或者，在彈性片接觸部位上設置若干不同高度的接觸結構，使得在鍵帽被按壓後，彈性導電片上具最高高度的接觸結構與固定導電片的固定片接觸部位相接觸。從而，在一段時間後，具最高高度的接觸結構被磨損後，具次高高度的接觸結構將被使用，以此為延長按鍵壽命提供了可能。In a refinement, a plurality of contact structures of different heights are disposed on the contact portion of the fixing piece or the contact portion of the elastic piece. For example, a contact structure of a plurality of different heights is disposed on the contact portion of the fixing piece, so that after the key cap is pressed, the contact structure having the highest height on the fixed conductive piece contacts the contact portion of the elastic piece of the elastic conductive piece; or, in contact with the elastic piece A plurality of contact structures of different heights are disposed on the portion such that after the key cap is pressed, the contact structure having the highest height on the elastic conductive sheet contacts the contact portion of the fixed piece of the fixed conductive sheet. Therefore, after a period of time, after the contact structure with the highest height is worn, the contact structure with the second highest height will be used, thereby providing a possibility for extending the life of the button.
在另一種改進中，在固定導電片或彈性導電片上增加緩衝結構。例如緩衝結構設置在固定導電片上，且與固定片接觸部位處於同一側，使得在鍵帽被按壓後，彈性導電片首先接觸固定導電片上的緩衝結構，然後再透過彈性片接觸部位與固定導電片上的固定片接觸部位相接觸；或者緩衝結構設置在彈性導電片上，且與彈性片接觸部位處於同一側，使得在鍵帽被按壓後，彈性導電片首先透過緩衝結構接觸固定導電片，然後再透過彈性片接觸部位與固定片接觸部位相接觸。從而，透過緩衝結構先承受鍵帽按壓之後傳遞來的壓力，因緩衝結構中和了過大的壓力，由此減緩固定片接觸部位和彈性片接觸部位之間的磨損，進而為延長按鍵壽命提供了可能。In another refinement, a cushioning structure is added to the fixed conductive sheet or the elastic conductive sheet. For example, the buffer structure is disposed on the fixed conductive sheet and is on the same side as the contact portion of the fixed sheet, so that after the key cap is pressed, the elastic conductive sheet first contacts the buffer structure on the fixed conductive sheet, and then passes through the contact portion of the elastic sheet and the fixed conductive sheet. The contact portion of the fixing piece is in contact with each other; or the buffer structure is disposed on the elastic conductive sheet and is on the same side as the contact portion of the elastic piece, so that after the key cap is pressed, the elastic conductive piece first contacts the fixed conductive piece through the buffer structure, and then passes through The contact portion of the elastic piece is in contact with the contact portion of the fixing piece. Therefore, the buffering structure first receives the pressure transmitted after the keycap is pressed, and the buffer structure neutralizes the excessive pressure, thereby slowing the wear between the contact portion of the fixing piece and the contact portion of the elastic piece, thereby providing a long life for the button. may.
在又一種改進中，對固定片接觸部位和/或彈性片接觸部位的表面進行鍍層，例如鍍銀，使鍍在固定片接觸部位和/或彈性片接觸部位表面上的一層是耐磨且導電性強的材質，從而使得固定片接觸部位與彈性片接觸部位之間的接觸電阻變小，按鍵反應越靈敏。In still another refinement, the surface of the contact portion of the fixing piece and/or the contact portion of the elastic piece is plated, for example, silver plated, so that a layer plated on the contact portion of the fixing piece and/or the surface of the contact portion of the elastic piece is wear-resistant and electrically conductive. The strong material makes the contact resistance between the contact portion of the fixing piece and the contact portion of the elastic piece smaller, and the button reaction is more sensitive.
以下透過具體實施例詳細敘述本發明之詳細特徵以及優點，其內容足以使任何熟習相關技藝者了解本發明之技術內容並據以實施，且根據本說明書所揭露之內容、申請專利範圍及圖式，任何熟習相關技藝者可輕易地理解本發明相關之目的及優點。以下之實施例係進一步詳細說明本發明之觀點，但非以任何觀點限制本發明之範疇。此外，為達說明方便之目的，本發明所附圖式中均附有參考座標軸。The detailed features and advantages of the present invention are described in detail below with reference to the detailed description of the embodiments of the present invention. The objects and advantages associated with the present invention can be readily understood by those skilled in the art. The following examples are intended to describe the present invention in further detail, but are not intended to limit the scope of the invention. Moreover, for the purpose of convenience of description, the reference coordinate axes are attached to the drawings of the present invention.
首先，請參照圖1~3，圖1係為根據本發明之一實施例所繪示之按鍵模組的立體圖，圖2係為根據本發明之圖1之按鍵模組的***圖，而圖3係為根據本發明之圖2之按鍵模組的導電片組件的放大圖。本實施例提出一種按鍵模組1，可應用於如筆記型電腦或桌上型電腦等電子產品的鍵盤，以作為該鍵盤上觸發特定訊號之用。如圖1所示，於本實施例中，按鍵模組1包含一按鍵開關10與鍵帽20。按鍵開關10設置於該鍵盤內的一電路板30上。鍵帽20設置於按鍵開關10上。電路板30可經由走線(未繪示) 或無線傳輸方式與前述電子產品內的系統信號連接，但本發明並非以此為限。且可理解的是，電路板30上還可以設置更多的按鍵模組，以用來觸發其他按鍵所預定的訊號，但本發明亦非以此為限。First, please refer to FIG. 1 to FIG. 3 , which are perspective views of a button module according to an embodiment of the invention, and FIG. 2 is an exploded view of the button module of FIG. 1 according to the present invention. 3 is an enlarged view of the conductive sheet assembly of the key module of FIG. 2 in accordance with the present invention. This embodiment provides a button module 1 that can be applied to a keyboard of an electronic product such as a notebook computer or a desktop computer to trigger a specific signal on the keyboard. As shown in FIG. 1 , in the embodiment, the button module 1 includes a button switch 10 and a key cap 20 . The push button switch 10 is disposed on a circuit board 30 in the keyboard. The keycap 20 is disposed on the key switch 10. The circuit board 30 can be connected to the system signal in the foregoing electronic product via a wire (not shown) or wireless transmission, but the invention is not limited thereto. It can be understood that more button modules can be disposed on the circuit board 30 for triggering signals predetermined by other buttons, but the invention is not limited thereto.
接著，如圖2所示，按鍵開關10包含一底座11、一鍵軸12、一導電片組件13與一彈性件14。Next, as shown in FIG. 2, the push button switch 10 includes a base 11, a key shaft 12, a conductive sheet assembly 13 and an elastic member 14.
底座11包含一上殼體111與一下殼體113。上殼體111可與下殼體113相組裝而共同圍繞出一空腔S1(即前述的容腔，如圖4A所示)。鍵軸12可上下移動地設置在空腔S1內，且可拆卸連接或固定連接底座11。鍵帽20可拆卸式連接或者固定連接鍵軸12的頂部。The base 11 includes an upper housing 111 and a lower housing 113. The upper casing 111 can be assembled with the lower casing 113 to collectively surround a cavity S1 (i.e., the aforementioned cavity, as shown in Fig. 4A). The key shaft 12 is disposed in the cavity S1 so as to be movable up and down, and is detachably connected or fixedly coupled to the base 11. The keycap 20 is detachably connected or fixedly coupled to the top of the key shaft 12.
導電片組件13包含一固定導電片131、一彈性導電片133。且由圖3可清楚看到，導電片組件13還包含一主接觸凸點134、一第一備用接觸凸點135、一第二備用接觸凸點136、一突出結構137與二緩衝結構139。這裡所述的主接觸凸點134、第一備用接觸凸點135、第二備用接觸凸點136即為前述的接觸結構。The conductive sheet assembly 13 includes a fixed conductive sheet 131 and an elastic conductive sheet 133. As can be clearly seen from FIG. 3, the conductive sheet assembly 13 further includes a main contact bump 134, a first backup contact bump 135, a second backup contact bump 136, a protruding structure 137 and a second buffer structure 139. The main contact bumps 134, the first spare contact bumps 135, and the second spare contact bumps 136 described herein are the aforementioned contact structures.
詳細來說，固定導電片131是以具有導電特性的金屬材質所構成，其插設於下殼體113，以在鍵帽20被按壓後與下殼體113下方的電路板30電性連接。此外，固定導電片131具有一固定片接觸部位1311。In detail, the fixed conductive sheet 131 is made of a metal material having conductive properties, and is inserted into the lower case 113 to be electrically connected to the circuit board 30 under the lower case 113 after the key cap 20 is pressed. Further, the fixed conductive piece 131 has a fixed piece contact portion 1311.
彈性導電片133是以具有彈性與導電特性的金屬材質所構成，其具有一彈性片接觸部位1331、一組裝段133a、一彎曲段133b與一活動段133c。彈性片接觸部位1331與固定片接觸部位1311相對。組裝段133a之一端插設於下殼體113，以在鍵帽20被按壓後與下殼體113下方的電路板30電性連接。彎曲段133b銜接於組裝段133a與活動段133c之間。活動段133c經由彎曲段133b可擺動地連接於組裝段133a之另一端，使得活動段133c可活動地位於固定導電片131與組裝段133a之間(如圖4A與圖5A所示)。藉此，活動段133c可經由彎曲段133b而相對靠近或相對遠離固定導電片131。The elastic conductive sheet 133 is made of a metal material having elastic and conductive properties, and has an elastic sheet contact portion 1331, an assembly portion 133a, a curved portion 133b, and a movable portion 133c. The elastic piece contact portion 1331 is opposed to the fixed piece contact portion 1311. One end of the assembly section 133a is inserted into the lower casing 113 to be electrically connected to the circuit board 30 below the lower casing 113 after the keycap 20 is pressed. The curved section 133b is engaged between the assembly section 133a and the movable section 133c. The movable section 133c is swingably coupled to the other end of the assembly section 133a via the curved section 133b such that the movable section 133c is movably located between the fixed conductive piece 131 and the assembled section 133a (as shown in FIGS. 4A and 5A). Thereby, the movable section 133c can be relatively close to or relatively away from the fixed conductive sheet 131 via the curved section 133b.
主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136設置於固定導電片131的朝向活動段133c的一側。且表面鍍有一層耐磨且具有高導電特性的材質所構成，例如銀。但本發明並非以主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136的設計或形成方法為限。顯然，這裡的主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136為前述的固定片接觸部位1311上設置的具不同高度的接觸結構。The main contact bumps 134, the first backup contact bumps 135, and the second backup contact bumps 136 are disposed on a side of the fixed conductive sheet 131 that faces the movable section 133c. The surface is plated with a layer of a material that is resistant to abrasion and has high electrical conductivity, such as silver. However, the present invention is not limited to the design or formation method of the main contact bump 134, the first backup contact bump 135, and the second backup contact bump 136. Obviously, the main contact bumps 134, the first backup contact bumps 135 and the second backup contact bumps 136 herein are contact structures of different heights disposed on the aforementioned fixed piece contact portions 1311.
突出結構137也是由具有高導電特性的材質所構成，其設置於活動段133c朝向固定導電片131的一側，且對應於主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136。也可以說，主接觸凸點134、第一備用接觸凸點135、第二備用接觸凸點136與突出結構137是位於固定導電片131與活動段133c之間。突出結構137也可以是由與前述接觸凸點相同的材質與加工方法所製成，或是以一沖壓加工自活動段133c上形成，本發明並非以此為限。顯然，這裡的突出結構137為前述的彈性片接觸部位1331。The protruding structure 137 is also composed of a material having high conductive property, and is disposed on a side of the movable segment 133c facing the fixed conductive sheet 131, and corresponds to the main contact bump 134, the first backup contact bump 135, and the second standby contact. Bump 136. It can also be said that the main contact bump 134, the first spare contact bump 135, the second spare contact bump 136 and the protruding structure 137 are located between the fixed conductive sheet 131 and the movable segment 133c. The protruding structure 137 may also be made of the same material and processing method as the above-mentioned contact bumps, or formed by a stamping process from the movable section 133c, and the invention is not limited thereto. Obviously, the protruding structure 137 here is the aforementioned elastic piece contact portion 1331.
此外，需聲明的是，本發明並非以前述主接觸凸點134、第一備用接觸凸點135、第二備用接觸凸點136與突出結構137的位置為限。例如於其他實施例中，主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136也可以設置於活動段133c的朝向固定導電片131的一側，而突出結構137也可以設置於固定導電片131朝向活動段133c的一側。也即是說，主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136設置於彈性片接觸部位1331，而突出結構137設置於固定片接觸部位1311。In addition, it should be noted that the present invention is not limited to the positions of the aforementioned main contact bumps 134, the first spare contact bumps 135, the second spare contact bumps 136, and the protruding structures 137. For example, in other embodiments, the main contact bump 134, the first backup contact bump 135, and the second backup contact bump 136 may also be disposed on a side of the movable segment 133c facing the fixed conductive sheet 131, and the protruding structure 137 is also It may be disposed on a side of the fixed conductive sheet 131 facing the movable section 133c. That is, the main contact bumps 134, the first spare contact bumps 135 and the second spare contact bumps 136 are disposed on the elastic sheet contact portion 1331, and the protruding structure 137 is disposed on the fixed sheet contact portion 1311.
二緩衝結構139也是位於固定導電片131與活動段133c之間。具體來說，於本實施例中，二緩衝結構139設置於固定導電片131朝向活動段133c的一側，但本發明並非以此為限。例如於其他實施例中，緩衝結構139也可以設置於彈性導電片133的活動段133c朝向固定導電片131的一側。此外，緩衝結構139是由具可壓縮特性且電性絕緣的材質所構成，例如橡膠或塑膠，但本發明並非以此為限。例如於其他實施例中，緩衝結構139也可以是一個由電性絕緣材質所構成的壓縮彈簧。另外，本發明也非以緩衝結構139的數量為限，例如於其他實施例中，緩衝結構139的數量可以為二個以上或僅為一個。The second buffer structure 139 is also located between the fixed conductive sheet 131 and the movable section 133c. Specifically, in the embodiment, the two buffer structures 139 are disposed on the side of the fixed conductive piece 131 facing the movable section 133c, but the invention is not limited thereto. For example, in other embodiments, the buffer structure 139 may also be disposed on a side of the movable segment 133c of the elastic conductive sheet 133 facing the fixed conductive sheet 131. In addition, the buffer structure 139 is made of a material having compressible characteristics and being electrically insulated, such as rubber or plastic, but the invention is not limited thereto. For example, in other embodiments, the buffer structure 139 may also be a compression spring composed of an electrically insulating material. In addition, the present invention is not limited to the number of the buffer structures 139. For example, in other embodiments, the number of the buffer structures 139 may be two or more or only one.
接著，請復參圖2，彈性件14位於空腔S1中，且連接於鍵軸12與下殼體113之間。於本實施例中，彈性件14為一壓縮彈簧，其一端設置於下殼體113，而另一端設置於鍵軸12，可提供彈性推力給鍵軸12以作為壓縮或復位鍵軸12之用。Next, referring to FIG. 2, the elastic member 14 is located in the cavity S1 and is connected between the key shaft 12 and the lower casing 113. In the present embodiment, the elastic member 14 is a compression spring, one end of which is disposed on the lower casing 113 and the other end of which is disposed on the key shaft 12 to provide elastic thrust to the key shaft 12 for use as a compression or reset key shaft 12. .
接著，請參閱圖4A~4B，圖4A係為根據本發明之圖1之按鍵模組的鍵帽未被按壓時的側剖圖，而圖4B係為根據本發明之圖1之按鍵模組的鍵帽未被按壓時導電片組件的俯視圖。4A-4B, FIG. 4A is a side cross-sectional view of the key module of the button module of FIG. 1 according to the present invention, and FIG. 4B is a button module of FIG. 1 according to the present invention. Top view of the conductive sheet assembly when the key cap is not pressed.
如圖4A~4B所示，此時鍵帽20與按鍵開關10已組裝完成，當鍵帽20未被敲擊時，鍵軸12受彈性件14的彈性推力而保持在相對遠離底座11之下殼體113的位置。在此情況下，鍵軸12推抵彈性導電片133之活動段133c，使得活動段133c相對遠離固定導電片131而驅使彎曲段133b彎曲並累積彈性位能。藉此，彈性導電片133之活動段133c上的突出結構137與固定導電片131上的接觸凸點134~136均為相分離，而使固定導電片131與彈性導電片133不相導通。此外，固定導電片131上的二緩衝結構139與活動段133c亦為相分離。As shown in FIGS. 4A-4B, at this time, the keycap 20 and the key switch 10 have been assembled. When the keycap 20 is not tapped, the key shaft 12 is held relatively far from the base 11 by the elastic thrust of the elastic member 14. The position of the housing 113. In this case, the key shaft 12 is pushed against the movable section 133c of the elastic conductive sheet 133 such that the movable section 133c relatively moves away from the fixed conductive sheet 131 to drive the curved section 133b to bend and accumulate elastic potential energy. Thereby, the protruding structure 137 on the movable portion 133c of the elastic conductive sheet 133 is separated from the contact bumps 134-136 on the fixed conductive sheet 131, and the fixed conductive sheet 131 and the elastic conductive sheet 133 are not in conduction. In addition, the two buffer structures 139 on the fixed conductive sheet 131 are also separated from the movable portion 133c.
另外，由圖4B可看到，主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136的高度為依序遞減的設計，使得主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136分別與突出結構137的間距相異。In addition, as can be seen from FIG. 4B, the heights of the main contact bumps 134, the first spare contact bumps 135, and the second spare contact bumps 136 are sequentially decreasing, such that the main contact bumps 134, the first spare contacts The bumps 135 and the second spare contact bumps 136 are different from the pitch of the protruding structures 137, respectively.
於本實施例中，突出結構137於其延伸線上的高度一致，且其高度為H1，主接觸凸點134的高度為H2，而主接觸凸點134至突出結構137的間距為D1，第一備用接觸凸點135的高度為H3，而第一備用接觸凸點135至突出結構137的間距為D2，第二備用接觸凸點136的高度為H4，而第二備用接觸凸點136至突出結構137的間距為D3，而各緩衝結構139的高度為H5。於本實施例中，主接觸凸點134的高度H2大於第一備用接觸凸點135的高度H3，而第一備用接觸凸點135的高度H3大於第二備用接觸凸點136的高度H4，即滿足條件：H2＞H3＞H4。也可以說，在主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136三個接觸結構中，主接觸凸點134為具有最高高度者。因此，可推知，主接觸凸點134至突出結構137的間距D1小於第一備用接觸凸點135至突出結構137的間距D2，而第一備用接觸凸點135至突出結構137的間距D2小於第二備用接觸凸點136至突出結構137的間距D3，即滿足條件：D1＜D2＜D3。也可以說，主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136分別與突出結構137的間距依序遞增。此外，於本實施例中，各緩衝結構139的高度H5至少大於突出結構137的高度H1與主接觸凸點134的高度H2的總合，即滿足條件：H5＞(H1+H2)。該條件也可以改變，前提是滿足：在按壓狀態下，固定導電片與彈性導電片之間首先是透過緩衝結構相接觸，然後才是固定片接觸部位與彈性片接觸部位相接觸。In this embodiment, the height of the protruding structure 137 on the extension line thereof is uniform, and the height thereof is H1, the height of the main contact bump 134 is H2, and the pitch of the main contact bump 134 to the protruding structure 137 is D1, first The height of the spare contact bump 135 is H3, and the pitch of the first spare contact bump 135 to the protruding structure 137 is D2, the height of the second spare contact bump 136 is H4, and the second spare contact bump 136 to the protruding structure The pitch of 137 is D3, and the height of each buffer structure 139 is H5. In this embodiment, the height H2 of the main contact bump 134 is greater than the height H3 of the first backup contact bump 135, and the height H3 of the first backup contact bump 135 is greater than the height H4 of the second backup contact bump 136, that is, Meet the conditions: H2>H3>H4. It can also be said that in the three contact structures of the main contact bump 134, the first backup contact bump 135 and the second backup contact bump 136, the main contact bump 134 has the highest height. Therefore, it can be inferred that the pitch D1 of the main contact bump 134 to the protruding structure 137 is smaller than the pitch D2 of the first backup contact bump 135 to the protruding structure 137, and the pitch D2 of the first spare contact bump 135 to the protruding structure 137 is smaller than the first The spacing D3 of the second contact bumps 136 to the protruding structures 137 satisfies the condition: D1 < D2 < D3. It can also be said that the distance between the main contact bump 134, the first backup contact bump 135 and the second backup contact bump 136 and the protruding structure 137 are sequentially increased. In addition, in the present embodiment, the height H5 of each buffer structure 139 is at least greater than the sum of the height H1 of the protruding structure 137 and the height H2 of the main contact bump 134, that is, the condition is satisfied: H5>(H1+H2). The condition may also be changed, provided that, in the pressed state, the fixed conductive sheet and the elastic conductive sheet are first contacted through the buffer structure, and then the contact portion of the fixed sheet is in contact with the contact portion of the elastic sheet.
請接續參閱圖5A~5B，圖5A係為根據本發明之圖1之按鍵模組的鍵帽被觸擊時的側剖圖，而圖5B係為根據本發明之圖1之按鍵模組的鍵帽被觸擊時導電片組件的俯視圖。5A-5B, FIG. 5A is a side cross-sectional view of the button cap of the button module of FIG. 1 according to the present invention, and FIG. 5B is a button module of FIG. 1 according to the present invention. A top view of the conductive sheet assembly when the keycap is struck.
如圖5A~5B所示，當鍵帽20被敲擊而下壓時，鍵帽20會帶動鍵軸12一併朝底座11之下殼體113的方向活動而使鍵軸12不再推抵彈性導電片133的活動段133c。在此情況下，彎曲段133b釋放彈性位能而驅使活動段133c彈向固定導電片131。As shown in FIGS. 5A-5B, when the keycap 20 is pressed and pressed down, the keycap 20 will move the key shaft 12 toward the lower housing 113 of the base 11 so that the key shaft 12 is no longer pushed. The movable section 133c of the elastic conductive sheet 133. In this case, the curved section 133b releases the elastic potential energy to urge the movable section 133c to project toward the fixed conductive sheet 131.
對照圖4B與圖5B可看到，相較於另外兩個備用接觸凸點135~136，由於主接觸凸點134至突出結構137的間距D1最小(即D1＜D2＜D3)，因而在活動段133c彈向固定導電片131的過程中，活動段133c上的突出結構137會先撞擊接觸固定導電片131上的主接觸凸點134，使得固定導電片131與彈性導電片133可經由主接觸凸點134與突出結構137的接觸而電性導通，藉以觸發按鍵模組1所預設的訊號。4B and FIG. 5B, it can be seen that the distance D1 between the main contact bump 134 and the protruding structure 137 is the smallest (ie, D1<D2<D3) compared to the other two alternate contact bumps 135-136. During the process of the segment 133c being elastically fixed to the conductive sheet 131, the protruding structure 137 on the movable portion 133c first hits the main contact bump 134 on the fixed conductive sheet 131, so that the fixed conductive sheet 131 and the elastic conductive sheet 133 can be in contact with each other via the main contact. The bump 134 is electrically connected to the protruding structure 137 to trigger the signal preset by the button module 1.
也就是說，在主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136中，主接觸凸點134會優先於其他兩個接觸凸點承受活動段133c上的突出結構137的撞擊。當主接觸凸點134因撞擊次數的累積而逐漸磨損時，可接著以次高的第一備用接觸凸點135來承受突出結構137的撞擊。同理，當第一備用接觸凸點135因多次撞擊而逐漸磨損時，則會輪到第二備用接觸凸點136來承受突出結構137的撞擊。因此，由於本發明之按鍵模組1除了有主接觸凸點134可用來電性導通之外，還額外有第一備用接觸凸點135與第二備用接觸凸點136的設計，至少可使得導電片組件13的使用壽命延長為傳統按鍵中僅具有單一個接觸凸點的設計的三倍。That is, in the main contact bump 134, the first backup contact bump 135 and the second backup contact bump 136, the main contact bump 134 takes precedence over the other two contact bumps to the protruding structure on the active segment 133c. 137 impact. When the main contact bump 134 gradually wears due to the accumulation of the number of impacts, the impact of the protruding structure 137 can be withstood by the second highest first contact bump 135. Similarly, when the first alternate contact bump 135 gradually wears due to multiple impacts, the second alternate contact bump 136 is rotated to withstand the impact of the protruding structure 137. Therefore, since the button module 1 of the present invention can be electrically conductively connected in addition to the main contact bumps 134, an additional design of the first spare contact bumps 135 and the second spare contact bumps 136 is provided, at least the conductive sheets can be made. The life of the assembly 13 is extended by three times that of a conventional button having only a single contact bump.
除此之外，由於緩衝結構139為彈性材質構成，因而在活動段133c彈向固定導電片131的過程中，設置於固定導電片131上的緩衝結構139會比主接觸凸點134優先受到活動段133c的撞擊而被擠壓變形。在此情況下，緩衝結構139可吸收活動段133c所帶來的衝擊力，以降低觸擊時對前述接觸凸點134~136與突出結構137所造成的磨損，進而延長導電片組件13的使用壽命。In addition, since the buffer structure 139 is made of an elastic material, the buffer structure 139 disposed on the fixed conductive sheet 131 is preferentially active over the main contact bumps 134 during the process of moving the movable portion 133c toward the fixed conductive sheet 131. The impact of the segment 133c is squeezed and deformed. In this case, the buffer structure 139 can absorb the impact force caused by the movable segment 133c to reduce the abrasion caused by the contact bumps 134-136 and the protruding structure 137 during the strike, thereby prolonging the use of the conductive sheet assembly 13. life.
但需要注意的是，本發明並非以前述主接觸凸點134、第一備用接觸凸點135、第二備用接觸凸點136與突出結構137的高度大小為限，只要是滿足主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136至突出結構137的間距為依序遞增的實施例，均屬於本發明之範疇，使用者可依據實際需求在此範疇內調整上述元件的高度大小。當然，本發明也非以前述主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136的數量為限，使用可也可依據實際需求增減具有不同高度的接觸凸點的數量，以適度地調整導電片組件的使用壽命。例如於其他實施例中，主接觸凸點134、第一備用接觸凸點135與第二備用接觸凸點136的數量可分別為多個。或者於其他實施例中，可增加更多與突出結構間距相異的備用接觸凸點。It should be noted that the present invention is not limited to the height of the main contact bump 134, the first backup contact bump 135, the second backup contact bump 136, and the protruding structure 137, as long as the main contact bump 134 is satisfied. The embodiment in which the distance between the first alternate contact bump 135 and the second spare contact bump 136 to the protruding structure 137 is sequentially increasing is within the scope of the present invention, and the user can adjust the above component in this category according to actual needs. The height of the size. Of course, the present invention is not limited to the number of the foregoing main contact bumps 134, the first spare contact bumps 135, and the second spare contact bumps 136. The use of the contact bumps having different heights may be increased or decreased according to actual needs. The amount to moderately adjust the life of the conductive sheet assembly. For example, in other embodiments, the number of main contact bumps 134, first spare contact bumps 135, and second spare contact bumps 136 may be multiple. Or in other embodiments, more alternate contact bumps may be added that differ from the protruding structure spacing.
另外，本發明的彈性片接觸部位和固定片接觸部位的形狀不限，固定片接觸部位可以是凸點或凸塊，彈性片接觸部位也可以是凸點或凸塊，甚至彈性片接觸部位與活動段處於同一平面。例如於其他實施例中，突出結構137也可以由多個突出點所組成，每個突出點分別對應於固定導電片131上的接觸凸點。甚至，本發明更非以突出結構137為限。例如於其他實施例中，導電片組件13可省略突出結構137，在此情況下，固定導電片131上的接觸凸點可直接接受活動段133c的撞擊而與活動段133c電性導通，而緩衝結構139的高度H5僅需略高於主接觸凸點134的高度H2即可。In addition, the shape of the elastic piece contact portion and the fixing piece contact portion of the present invention is not limited, the contact portion of the fixing piece may be a bump or a bump, and the contact portion of the elastic piece may also be a bump or a bump, or even a contact portion of the elastic piece and The active segments are in the same plane. For example, in other embodiments, the protruding structure 137 may also be composed of a plurality of protruding points, each of which corresponds to a contact bump on the fixed conductive sheet 131. Even the present invention is not limited to the protruding structure 137. For example, in other embodiments, the conductive sheet assembly 13 can omit the protruding structure 137. In this case, the contact bumps on the fixed conductive sheet 131 can directly receive the impact of the movable portion 133c to be electrically connected to the movable portion 133c, and buffer. The height H5 of the structure 139 only needs to be slightly higher than the height H2 of the main contact bump 134.
再者，本發明也非以緩衝結構139為限。例如於其他實施例中，導電片組件13也可省略緩衝結構139。Furthermore, the present invention is also not limited to the buffer structure 139. For example, in other embodiments, the conductive sheet assembly 13 may also omit the buffer structure 139.
接著，請參閱圖6，圖6為根據本發明之一實施例所繪示之鍵盤的立體圖。如圖所示，提供了一種鍵盤9，其包含了一鍵盤殼體91、多個如前所述的按鍵模組1與一如前所述的電路板30。這些按鍵模組1與電路板30均設置於鍵盤殼體91中。而這些按鍵模組1電性連接於電路板30上，以可用來觸發各自所預定的訊號。Next, please refer to FIG. 6. FIG. 6 is a perspective view of a keyboard according to an embodiment of the invention. As shown, a keyboard 9 is provided that includes a keyboard housing 91, a plurality of button modules 1 as previously described, and a circuit board 30 as previously described. The button module 1 and the circuit board 30 are both disposed in the keyboard housing 91. The button modules 1 are electrically connected to the circuit board 30 to be used to trigger respective predetermined signals.
由上述可知，在本發明所揭露的導電片組件與包含其之按鍵模組中，除了有主接觸凸點以供固定導電片與彈性導電片撞擊而電性導通之外，還額外設置有備用的接觸凸點，因而當主接觸凸點長期承受活動段復位彈向固定導電片所帶來的撞擊而逐漸磨損時，可接著以備用的接觸凸點作為替換，藉以延長導電片組件的使用壽命。據此，本發明所提出的導電片組件的使用壽命可至少為傳統中僅有單一個接觸凸點的設計的數倍以上。It can be seen from the above that in the conductive sheet assembly and the button module including the same, in addition to the main contact bump for electrically connecting the fixed conductive sheet and the elastic conductive sheet, an additional spare is provided. The contact bumps, so that when the main contact bumps are subjected to the impact of the movable segment returning elastic to the fixed conductive sheet for a long time, the spare contact bumps can be replaced by the spare contact bumps, thereby prolonging the service life of the conductive sheet assembly. . Accordingly, the life of the conductive sheet assembly proposed by the present invention can be at least several times that of the conventional design with only one contact bump.
此外，在活動段彈向固定導電片的過程中，介於固定導電片與活動段之間的二緩衝結構可減緩活動段所帶來的衝擊力，以降低每次觸擊時對接觸凸點所造成的磨損，進而提升導電片組件的使用壽命。In addition, during the process of moving the movable segment to the fixed conductive sheet, the two-buffer structure between the fixed conductive piece and the movable segment can slow down the impact force brought by the movable segment to reduce the contact bump at each touch. The resulting wear increases the life of the conductive sheet assembly.
雖然本發明以前述之實施例揭露如上，然其並非用以限定本發明。在不脫離本發明之精神和範圍內，所為之更動與潤飾，均屬本發明之專利保護範圍。關於本發明所界定之保護範圍請參考所附之申請專利範圍。Although the present invention has been disclosed above in the foregoing embodiments, it is not intended to limit the invention. It is within the scope of the invention to be modified and modified without departing from the spirit and scope of the invention. Please refer to the attached patent application for the scope of protection defined by the present invention.
1‧‧‧按鍵模組1‧‧‧ button module
9‧‧‧鍵盤9‧‧‧ keyboard
10‧‧‧按鍵開關10‧‧‧Key switch
11‧‧‧底座11‧‧‧Base
12‧‧‧鍵軸12‧‧‧Key shaft
13‧‧‧導電片組件13‧‧‧Conductor assembly
14‧‧‧彈性件14‧‧‧Flexible parts
20‧‧‧鍵帽20‧‧‧Key Cap
30‧‧‧電路板30‧‧‧ boards
91‧‧‧鍵盤殼體91‧‧‧ Keyboard housing
131‧‧‧固定導電片131‧‧‧Fixed conductive sheet
133‧‧‧彈性導電片133‧‧‧elastic conductive sheet
133a‧‧‧組裝段133a‧‧‧ Assembly section
133b‧‧‧彎曲段133b‧‧‧bend section
133c‧‧‧活動段133c‧‧‧ active section
134‧‧‧主接觸凸點134‧‧‧Main contact bump
135‧‧‧第一備用接觸凸點135‧‧‧First alternate contact bump
136‧‧‧第二備用接觸凸點136‧‧‧Second alternate contact bump
137‧‧‧突出結構137‧‧‧Outstanding structure
139‧‧‧緩衝結構139‧‧‧buffer structure
1311‧‧‧固定片接觸部位1311‧‧‧Fixed parts contact
1331‧‧‧彈性片接觸部位1331‧‧‧Electronic sheet contact
D1‧‧‧主接觸凸點至突出結構的間距D1‧‧‧The distance between the main contact bump and the protruding structure
D2‧‧‧第一備用接觸凸點至突出結構的間距D2‧‧‧The distance between the first alternate contact bump and the protruding structure
D3‧‧‧第二備用接觸凸點至突出結構的間距D3‧‧‧Separate contact bump to pitch of protruding structure
H1‧‧‧突出結構的高度H1‧‧‧ height of protruding structure
H2‧‧‧主接觸凸點的高度H2‧‧‧ height of main contact bump
H3‧‧‧第一備用接觸凸點的高度H3‧‧‧ Height of the first alternate contact bump
H4‧‧‧第二備用接觸凸點的高度H4‧‧‧ Height of the second alternate contact bump
H5‧‧‧緩衝結構的高度Height of H5‧‧‧ cushioning structure
S1‧‧‧空腔S1‧‧‧ cavity
圖1係為根據本發明之一實施例所繪示之按鍵模組的立體圖。 圖2係為根據本發明之圖1之按鍵模組的***圖。 圖3係為根據本發明之圖2之按鍵模組的導電片組件的放大圖。 圖4A係為根據本發明之圖1之按鍵模組的鍵帽未被按壓時的側剖圖。 圖4B係為根據本發明之圖1之按鍵模組的鍵帽未被按壓時導電片組件的俯視圖。 圖5A係為根據本發明之圖1之按鍵模組的鍵帽被按壓時的側剖圖。 圖5B係為根據本發明之圖1之按鍵模組的鍵帽被按壓時導電片組件的俯視圖。 圖6係為根據本發明之一實施例所繪示之鍵盤的立體圖。FIG. 1 is a perspective view of a button module according to an embodiment of the invention. 2 is an exploded view of the button module of FIG. 1 in accordance with the present invention. 3 is an enlarged view of a conductive sheet assembly of the key module of FIG. 2 in accordance with the present invention. 4A is a side cross-sectional view showing the keycap of the button module of FIG. 1 according to the present invention when it is not pressed. 4B is a top plan view of the conductive sheet assembly when the key cap of the button module of FIG. 1 is not pressed according to the present invention. Figure 5A is a side cross-sectional view showing the keycap of the button module of Figure 1 in accordance with the present invention being pressed. 5B is a top plan view of the conductive sheet assembly when the key cap of the button module of FIG. 1 is pressed according to the present invention. 6 is a perspective view of a keyboard according to an embodiment of the invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105117386A TWI620217B (en) | 2016-06-02 | 2016-06-02 | Terminal pin set, key switch module and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105117386A TWI620217B (en) | 2016-06-02 | 2016-06-02 | Terminal pin set, key switch module and keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201743355A TW201743355A (en) | 2017-12-16 |
| TWI620217B true TWI620217B (en) | 2018-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW105117386A TWI620217B (en) | 2016-06-02 | 2016-06-02 | Terminal pin set, key switch module and keyboard |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI620217B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834329U (en) * | 1981-08-31 | 1983-03-05 | 松下電工株式会社 | contact switching device |
| JP4046643B2 (en) * | 2003-05-13 | 2008-02-13 | 三菱自動車工業株式会社 | Steering wheel horn switch device |
| TWM443928U (en) * | 2011-01-06 | 2012-12-21 | Tai-Her Yang | Sequential switching device with surrounding heterogeneous joint points structure |
| TWM491936U (en) * | 2014-05-22 | 2014-12-11 | Yi-Sheng Wang | Pressing type electrical switch |
| CN204242820U (en) * | 2014-12-18 | 2015-04-01 | 瑞安市永明电工合金厂 | Silver metal alloyed oxide electrical contact |
| CN204537912U (en) * | 2015-01-19 | 2015-08-05 | 黄俭安 | Cap-sensor switch and adopt the keyboard of described key switch |
-
2016
- 2016-06-02 TW TW105117386A patent/TWI620217B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834329U (en) * | 1981-08-31 | 1983-03-05 | 松下電工株式会社 | contact switching device |
| JP4046643B2 (en) * | 2003-05-13 | 2008-02-13 | 三菱自動車工業株式会社 | Steering wheel horn switch device |
| TWM443928U (en) * | 2011-01-06 | 2012-12-21 | Tai-Her Yang | Sequential switching device with surrounding heterogeneous joint points structure |
| TWM491936U (en) * | 2014-05-22 | 2014-12-11 | Yi-Sheng Wang | Pressing type electrical switch |
| CN204242820U (en) * | 2014-12-18 | 2015-04-01 | 瑞安市永明电工合金厂 | Silver metal alloyed oxide electrical contact |
| CN204537912U (en) * | 2015-01-19 | 2015-08-05 | 黄俭安 | Cap-sensor switch and adopt the keyboard of described key switch |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201743355A (en) | 2017-12-16 |
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