WO2016004755A1 - 超薄型键盘开关 - Google Patents

超薄型键盘开关 Download PDF

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Publication number
WO2016004755A1
WO2016004755A1 PCT/CN2015/071178 CN2015071178W WO2016004755A1 WO 2016004755 A1 WO2016004755 A1 WO 2016004755A1 CN 2015071178 W CN2015071178 W CN 2015071178W WO 2016004755 A1 WO2016004755 A1 WO 2016004755A1
Authority
WO
WIPO (PCT)
Prior art keywords
pivoting
movable contact
lower frame
ultra
keyboard switch
Prior art date
Application number
PCT/CN2015/071178
Other languages
English (en)
French (fr)
Inventor
吴福喜
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
Priority to KR1020177001071A priority Critical patent/KR101870587B1/ko
Publication of WO2016004755A1 publication Critical patent/WO2016004755A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
    • H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/036—Minimise height

Definitions

  • the invention relates to the field of keyboard switch technology, in particular to an ultra-thin keyboard switch.
  • the keyboard switch is a switch applied and mounted on a keyboard.
  • the main structure of the switch includes a base, an upper cover, a static contact piece, a movable contact piece and a button member, and the upper cover and the base are enclosed.
  • the accommodating cavity, the static contact piece, the movable contact piece and the button member are disposed in the accommodating cavity, and one end of the button member is exposed outside the accommodating cavity, and the button member is moved up and down by pressing the manipulation button member, and then the button is passed through the button
  • the piece acts on the movable contact piece such that the movable contact piece is in contact with or disconnected from the static contact piece.
  • the above-mentioned existing keyboard switch structure can provide the user with the effect of disconnecting or conducting the connection between the static contact piece and the movable contact piece, and is indeed progressive, but finds its own structure and use in actual use. There are still many shortcomings in performance, which cause the existing keyboard switch to fail to achieve the best use effect and work efficiency in practical applications. :
  • the button member of the switch of the existing keyboard is in the form of a guide post, so that the whole product is thicker, and the button member is mounted on the bottom center of the key cap.
  • the button member cannot be smoothly The pressure, and thus the conduction between the static contact piece and the movable contact piece, cannot be achieved, and the use is relatively inconvenient.
  • the present invention is directed to the absence of the prior art, and its main object is to provide an ultra-thin keyboard switch, which can effectively solve the problem that the existing keyboard switch is thick and inconvenient to use.
  • An ultra-thin keyboard switch includes a seat body, a static contact piece, a support piece, a movable contact piece, a lower frame, an upper frame and a key cap; the static contact piece and the support piece are separately disposed on the base body, and the static touch
  • the sheet has a first soldering leg and a static contact
  • the supporting piece has a second soldering leg, and the second soldering leg and the first soldering leg respectively extend outside the body
  • the movable contact piece is in contact with the supporting piece and is electrically connected
  • the other end of the contact has a movable contact, and the movable contact is located above the static contact
  • the upper frame and the lower frame cross each other and can be pivotally connected together, and the lower end of the upper frame and the lower end of the lower frame respectively
  • the two ends of the base body are pivotally connected, and the upper end of the upper frame and the upper end of the lower frame are respectively pivotally connected with the bottom ends of the key cap, and the upper frame and the lower frame
  • the lower frame and the upper frame are both U-shaped, and the lower frame includes a first cross bar and two first links, and both ends of the first cross bar extend outwardly to have a first shape.
  • a pivoting shaft the first pivoting shaft is pivotally connected to the keycap, and the two first connecting rods are parallel to each other and respectively integrally connected with the two ends of the first crossbar, and the inner ends of the tail ends of the two first connecting rods are extended a second pivoting shaft, the second pivoting shaft is pivotally connected to the base;
  • the upper frame includes a second crossbar and two second links, and both ends of the second crossbar extend outwardly to have a third pivot
  • the second pivoting shaft is pivotally connected to the keycap, and the two second connecting rods are parallel to each other and integrally connected with the two ends of the second crossbar, and the inner ends of the second connecting rods are extended a fourth pivoting shaft, the fourth pivoting shaft is pivotally connected to the seat body, and the two second links are respectively located on the inner sides of
  • the first end surface of the first connecting rod is concavely provided with a first embedding groove
  • the inner side of the front end of the first connecting rod is concavely provided with a second embedding groove, and in the overlapping state, the second connecting rod
  • the front half is embedded in the first embedding groove
  • the rear half of the second link is embedded in the second embedding groove.
  • a sixth pivoting shaft extends outwardly from a central portion of the second connecting rod, and correspondingly, the first connecting rod is provided with a pivoting hole, and the sixth pivoting shaft is inserted into the pivoting hole. The center is connected.
  • first pivoting slot and the second pivoting slot are recessed on the base body, and the second pivoting shaft and the fourth pivoting axle are respectively engaged with the first pivoting slot and the first pivoting slot
  • the second pivoting slot is disposed in the first pivoting slot and the second pivoting slot.
  • the upper cover is respectively disposed in the first pivoting slot and the second pivoting slot. The contact is located below the upper cover.
  • the bottom of the keycap is provided with a third pivoting slot and a fourth pivoting slot, and the first pivoting shaft and the third pivoting axle respectively are respectively engaged with the third pivoting slot and the first pivoting slot
  • the four pivoting slots are pivotally connected.
  • the elastic member is a tension spring, and one end of the tension spring is hooked with the upper frame, and the other end of the tension spring is hooked with the movable contact piece.
  • the elastic member is a spring piece integrally formed on the touch piece, and the movable contact piece is mounted and connected to the lower frame.
  • the seat body is embedded in the X-shaped structure.
  • the seat body is located below the X-shaped structure.
  • the present invention has obvious advantages and advantageous effects compared with the prior art. Specifically, it can be known from the above technical solutions:
  • the product is made.
  • the overall thickness is thinned, and regardless of any position of the finger on the keycap, the upper frame and the lower frame can be linked to move the movable contact to achieve stable pressing, so that the static contact and the movable contact are connected. More sensitive, the product is more convenient to use.
  • FIG. 1 is a perspective view showing the assembly of a first preferred embodiment of the present invention
  • Figure 2 is an exploded view of the first preferred embodiment of the present invention
  • Figure 3 is an exploded perspective view of another angle of the first preferred embodiment of the present invention.
  • Figure 4 is a further exploded perspective view of the first preferred embodiment of the present invention.
  • Figure 5 is a partial assembled view of a first preferred embodiment of the present invention.
  • Figure 6 is a schematic view showing the state in which the upper frame and the lower frame are opened in Figure 5;
  • Figure 7 is a schematic view showing the state of use of the first preferred embodiment of the present invention.
  • Figure 8 is an enlarged schematic view showing the upper frame and the lower frame in the first preferred embodiment of the present invention.
  • Figure 9 is a cross-sectional view showing a first preferred embodiment of the present invention.
  • Figure 10 is a partially assembled perspective view of a second preferred embodiment of the present invention.
  • Figure 11 is a partially assembled perspective view of a third preferred embodiment of the present invention.
  • FIG. 1 to FIG. 9 show a specific structure of the first preferred embodiment of the present invention, including a PCB board 10 , a base 20 , a static contact piece 30 , a support piece 40 , and a movable contact piece 50 .
  • the LED board 11 is disposed on the PCB board 10.
  • the base body 20 is disposed on the PCB board 10.
  • the base body 20 is provided with a notch 21, and the LED lamp 11 is located in the notch 21.
  • the static contact piece 30 and the support piece 40 are separately disposed on the base body 20, and the static contact piece 30 has a first welding leg 31 and a static contact 32.
  • the support piece 40 has a second welding leg 41, and the second welding leg 41 and the first soldering leg 31 both extend outside the base 20 to be soldered to the PCB board 10 for electrical connection.
  • One end of the movable contact piece 50 is in electrical contact with the support piece 40.
  • the other end of the movable contact piece 50 has a movable contact 51, and the movable contact 51 is located above the static contact 32.
  • the upper frame 70 and the lower frame 60 cross each other and can be pivotally connected together.
  • the lower end of the upper frame 70 and the lower end of the lower frame 60 are respectively pivotally connected to the two ends of the base 20, and the upper and lower frames of the upper frame 70 are respectively
  • the upper end of the 60 is pivotally connected to the bottom ends of the key cap 80, and the upper frame 70 and the lower frame 60 form an X-shaped structure to move the movable contact 50.
  • the contact 51 is in electrical contact with the stationary contact 32, and the movable contact 50 is disposed on the elastic member 90 that causes the movable contact 50 to be reset such that the movable contact 51 leaves the stationary contact 32.
  • the lower frame 60 and the upper frame 70 are both U-shaped, and the lower frame 60 includes a first cross bar 61 and two first links 62, two of the first cross bars 61
  • the first pivoting shaft 63 is pivotally connected to the keycap 80.
  • the two first connecting rods 62 are parallel to each other and integrally connected with the two ends of the first crossbar 61.
  • the second pivot shaft 64 extends from the inner side of the tail end of the two first links 62, and the second pivot shaft 64 is pivotally connected to the base 20;
  • the upper frame 70 includes a second crossbar 71 and two second The connecting rod 72, the two ends of the second crossbar 71 extend outwardly from the third pivoting shaft 73, and the third pivoting shaft 73 is pivotally connected to the keycap 80.
  • the two second connecting rods 72 are parallel to each other and respectively The two ends of the second link 72 are integrally formed with the fourth pivot shaft 74.
  • the fourth pivot shaft 74 is pivotally connected to the base 20, and two The second link 72 is respectively located on the inner side of the two first links 62.
  • the middle portions of the two second links 72 are respectively pivotally connected to the middle portions of the two first links 62.
  • the second link is connected.
  • the middle of the central part of the 72 extends outward with a sixth
  • the pivoting shaft 75 is correspondingly disposed with a pivoting hole 65.
  • the sixth pivoting shaft 75 is pivotally inserted into the pivoting hole 65.
  • a first insertion groove 601 is recessed in a front end surface of the first link 62, and a second insertion groove 602 is recessed in a front end of the first link 62.
  • the first half of the second link 72 is overlapped. Partially embedded in the first embedding groove 601, the second half of the second link 72 is embedded in the second embedding groove 602 to make the product thinner.
  • the base body 20 is recessed with a cavity 22, two first pivoting slots 23 and two second pivoting slots 24, and the two first pivoting slots 23 and the two second pivoting slots 24 are distributed on the surface of the base 20.
  • the second pivoting shaft 64 and the fourth pivoting shaft 74 are respectively engaged in the first pivoting slot 23 and the second pivoting slot 24, and the base 20 is disposed on the four corners.
  • the cover 10 ′ is disposed in the first pivoting slot 23 and the second pivoting slot 24 respectively corresponding to the second pivoting shaft 64 and the fourth pivoting axle 74 , and the movable contact 50 is embedded in the concave
  • the cavity 22 is located below the upper cover 10'.
  • the two opposite side plates of the upper cover 10 ′ are respectively provided with a buckle hole 11 ′.
  • the base body 20 is provided with a buckle portion 25 , and the buckle portion 25 and the buckle hole 11 ′ are fastened to each other, so that the upper portion is realized.
  • the cover 10' is mounted on the base 20, and the top end of the support piece 40 has a positioning portion 42.
  • the upper cover 10' is provided with a positioning hole 12', the positioning portion 42 is inserted into the positioning hole 12', and the upper portion
  • the two side plates of the cover 10' also extend with pins 13' which are inserted into the PCB board 10 for soldering.
  • the bottom of the key cap 80 is provided with a third pivoting slot 81 and a fourth pivoting slot 82.
  • the first pivoting shaft 63 and the third pivoting shaft 73 respectively engage with the third pivoting slot 81 and The fourth pivoting slot 82 is pivotally connected.
  • the elastic member 90 is a tension spring, and the tension spring exposes the upper cover 10'.
  • the two ends of the tension spring have a first hook portion 91 and a second hook portion 92, and the second frame portion
  • the crossbar 71 is provided with a first hanging hole 701.
  • the first hook portion 91 is fastened with the first hanging hole 701.
  • the movable contact piece 50 is provided with a second hanging hole 52.
  • the second hook portion 92 is connected to the second hook portion 92. Hole 52 is buckled.
  • the seat body 20 is embedded in the aforementioned X-shaped structure to make the product smaller in size.
  • the static contact piece 30 and the support piece 40 are respectively placed from the top to the bottom of the socket 20 at corresponding positions. Then, the movable contact piece 50 is placed in the cavity 22, and the movable contact piece 50 is supported by the support.
  • the upper frame 70 and the lower frame 60 are pivotally connected to each other, and the second pivoting shaft 64 and the fourth pivoting shaft 74 are respectively engaged with the first pivoting slot 23 and the second pivoting shaft.
  • the first hook portion 91 of the tension spring is hooked with the first hanging hole 701
  • the second hook portion 92 of the tension spring is hooked with the second hanging hole 52
  • the upper cover 10' is fastened to the base 20 from the top, and then the keycap 80 is assembled, so that the first pivoting shaft 63 and the third pivoting shaft 73 are respectively engaged with the third pivoting slot 81 and the fourth.
  • the pivoting groove 82 can be pivoted.
  • the upper frame 70 and the lower frame 60 are moved downward to be stacked together, and at the same time, the elastic member 90 is stretched, and the movable contact 50 is moved downward to make the movable contact 51 is in electrical contact with the stationary contact 32; when the keycap 80 is released, the elastic member 90 is restored to deformation, and under the action of the elastic member 90, the upper frame 70 and the lower frame 60 are opened upward, and the key cap 80 is upwardly reset.
  • the movable contact piece 50 is also reset upward so that the movable contact 51 leaves the stationary contact 32.
  • FIG. 10 shows a specific structure of the second preferred embodiment of the present invention.
  • the specific structure of the present embodiment is basically the same as the specific structure of the foregoing first preferred embodiment, and the difference is:
  • the elastic member 90 is a spring piece, and is integrally formed on the movable contact piece 50.
  • the movable contact piece 50 is mounted and connected to the lower frame 60.
  • the assembly process and the use method of the present embodiment are the same as those of the foregoing first preferred embodiment.
  • the assembly process and the use method of the present embodiment are not described in detail herein.
  • the specific structure of the third preferred embodiment of the present invention is shown.
  • the specific structure of this embodiment is basically the same as the specific structure of the foregoing first preferred embodiment, and the difference is:
  • the base 20 is located below the X-shaped structure, and both the upper frame 70 and the lower frame 60 extend upwardly beyond the upper cover 10'.
  • the assembly process and the use method of the present embodiment are substantially the same as those of the foregoing first preferred embodiment.
  • the assembly process and the use method of the present embodiment are not described in detail herein.
  • the design focus of the present invention is to replace the traditional guide by using the upper frame and the lower frame to cross each other and being pivotally connected together, and the X-shaped structure is combined with the upper frame and the lower frame to drive the movable contact activity.
  • the form of the column makes the overall thickness of the product thinner, and the upper frame and the lower frame can be linked to move the movable contact piece regardless of the position of the finger on any position of the keycap, thereby achieving stable pressing, so that the static contact piece and the static contact piece
  • the conductive connection of the movable contact is more sensitive and the product is more convenient to use.

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  • Push-Button Switches (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

本发明公开一种超薄型键盘开关，包括有座体、静触片、支撑片、动触片、下框、上框及键帽；该静触片和支撑片彼此分开设在座体上，该静触片具有第一焊接脚和静触点，该支撑片具有第二焊接脚，该第二焊接脚和第一焊接脚均伸出座体外；该动触片一端与支撑片保持接触电连接，动触片的另一端具有动触点，该动触点位于静触点的上方；通过利用上框与下框彼此交叉并可叠合地枢接在一起，并配合上框与下框组成X型结构而带动动触片活动，取代了传统之采用导柱的形式，使得产品的整体厚度减薄，并且，无论手指作用于键帽的任何位置，上框和下框均可实现联动而带动动触片活动，实现稳定下压，使得静触片与动触片的导通连接更加灵敏，产品使用更加方便。

Description

超薄型键盘开关 技术领域
本发明涉及键盘开关领域技术，尤其是指一种超薄型键盘开关。
背景技术
键盘开关，顾名思义是一种应用并安装于键盘上的开关，这种开关的主要结构包括有基座、上盖、静触片、动触片和按钮件，该上盖和基座围合形成容置腔，该静触片、动触片和按钮件设置于该容置腔中，且该按钮件的一端露出容置腔外，通过按压操控按钮件，使得按钮件上下活动，进而通过按钮件作用于动触片上，使得动触片与静触片接触连接或脱离分开。
上述现有的键盘开关结构，虽可提供给使用者断开或导通静触片与动触片之间的连接的功效，确实具有进步性，但是在实际使用时却发现其自身结构和使用性能上仍存在有诸多不足，造成现有的键盘开关在实际应用上，未能达到最佳的使用效果和工作效能，现将其缺点归纳如下 ：
现有键盘的开关的按钮件为导柱形式，使得整个产品厚度较厚，并且按钮件是安装于键帽的底部中心，当手指仅作用于键帽的一侧边缘时，按钮件无法平稳下压，进而也无法实现静触片与动触片的导通，使用较为不便。
发明内容
有鉴于此，本发明针对现有技术存在之缺失，其主要目的是提供一种超薄型键盘开关，其能有效解决现有之键盘开关厚度厚且使用不便的问题。
为实现上述目的，本发明采用如下之技术方案：
一种超薄型键盘开关，包括有座体、静触片、支撑片、动触片、下框、上框以及键帽；该静触片和支撑片彼此分开设置在座体上，该静触片具有第一焊接脚和静触点，该支撑片具有第二焊接脚，该第二焊接脚和第一焊接脚均伸出座体外；该动触片一端与支撑片保持接触电连接，动触片的另一端具有动触点，该动触点位于静触点的上方；该上框与下框彼此交叉并可叠合地枢接在一起，上框的下端和下框的下端分别与座体的两端枢接，上框的上端和下框的上端分别与键帽的底部两端枢接，上框与下框组成X型结构而带动动触片活动，当上框与下框处于叠合状态时，该动触点与静触点接触电连接，针对该动触片设置于促使动触片复位使得动触点离开静触点的弹性件。
作为一种优选方案，所述下框和上框均呈U型，该下框包括有第一横杆和两第一连杆，该第一横杆的两端均向外延伸出有第一枢接轴，第一枢接轴与键帽枢接，该两第一连杆彼此平行并分别与第一横杆的两端一体成型连接，两第一连杆的尾端内侧均延伸出有第二枢接轴，第二枢接轴与座体枢接；该上框包括有第二横杆和两第二连杆，该第二横杆的两端均向外延伸出有第三枢接轴，第三枢接轴与键帽枢接，该两第二连杆彼此平行并分别与第二横杆的两端一体成型连接，两第二连杆的尾端内侧均延伸出有第四枢接轴，第四枢接轴与座体枢接，且，两第二连杆分别对应位于两第一连杆的内侧，两第二连杆的中部分别对应与两第一连杆的中部枢接。
作为一种优选方案，所述第一连杆的尾端表面凹设有第一嵌置槽，第一连杆的前端内侧凹设有第二嵌置槽，叠合状态下，第二连杆的前半部分嵌于第一嵌置槽中，第二连杆的后半部分嵌于第二嵌置槽中。
作为一种优选方案，所述第二连杆的中部外侧向外延伸出有第六枢接轴，对应地该第一连杆上设置有枢接孔，该第六枢接轴***枢接孔中枢接。
作为一种优选方案，所述座体上凹设有第一枢接槽和第二枢接槽，该第二枢接轴和第四枢接轴分别对应卡嵌于第一枢接槽和第二枢接槽中，且该座体上设置有上盖，该上盖将第二枢接轴和第四枢接轴分别对应限位于第一枢接槽和第二枢接槽中，该动触片位于上盖的下方。
作为一种优选方案，所述键帽的底部设置有第三枢接槽和第四枢接槽，该第一枢接轴和第三枢接轴分别对应卡扣于第三枢接槽和第四枢接槽中枢接。
作为一种优选方案，所述弹性件为拉簧，该拉簧的一端与上框挂扣，拉簧的另一端与动触片挂扣。
作为一种优选方案，所述弹性件为弹片，其一体成型设置于触动片上，该动触片与下框安装连接。
作为一种优选方案，所述座体嵌于X型结构内。
作为一种优选方案，所述座***于X型结构的下方。
本发明与现有技术相比具有明显的优点和有益效果，具体而言，由上述技术方案可知：
通过利用上框与下框彼此交叉并可叠合地枢接在一起，并配合上框与下框组成X型结构而带动动触片活动，取代了传统之采用导柱的形式，使得产品的整体厚度减薄，并且，无论手指作用于键帽的任何位置，上框和下框均可实现联动而带动动触片活动，实现稳定下压，使得静触片与动触片的导通连接更加灵敏，产品使用更加方便。
附图说明
图1是本发明之第一较佳实施例的组装立体示意图；
图2是本发明之第一较佳实施例的分解图；
图3是本发明之第一较佳实施例另一角度的分解图；
图4是本发明之第一较佳实施例再一角度分解图；
图5是本发明之第一较佳实施例的局部组装图；
图6是图5中上框和下框张开的状态示意图；
图7是本发明之第一较佳实施例的使用状态示意图；
图8是本发明之第一较佳实施例中上框和下框的放大示意图；
图9是本发明之第一较佳实施例的截面图；
图10是本发明之第二较佳实施例的局部组装立体示意图；
图11是本发明之第三较佳实施例的局部组装立体示意图。
附图标识说明：
10、PCB板 11、LED灯
20、座体 21、缺口
22、凹腔 23、第一枢接槽
24、第二枢接槽 25、扣部
30、静触片 31、第一焊接脚
32、静触点 40、支撑片
41、第二焊接脚 42、定位部
50、动触片 51、动触点
52、第二挂孔 60、下框
61、第一横杆 62、第一连杆
63、第一枢接轴 64、第二枢接轴
65、枢接孔 601、第一嵌置槽
602、第二嵌置槽 70、上框
71、第二横杆 72、第二连杆
73、第三枢接轴 74、第四枢接轴
75、第六枢接轴 701、第一挂孔
80、键帽 81、第三枢接槽
82、第四枢接槽 90、弹性件
91、第一勾部 92、第二勾部
10′、上盖 11′、扣孔
12′、定位孔 13′、插脚。
具体实施方式
请参照图1至图9所示，其显示出了本发明之第一较佳实施例的具体结构，包括有PCB板10、座体20、静触片30、支撑片40、动触片50、下框60、上框70以及键帽80。
该PCB板10上设置有LED灯11，该座体20设置于PCB板10上，该座体20上设置有一缺口21，该LED灯11位于该缺口21内。
该静触片30和支撑片40彼此分开设置在座体20上，该静触片30具有第一焊接脚31和静触点32，该支撑片40具有第二焊接脚41，该第二焊接脚41和第一焊接脚31均伸出座体20外而与PCB板10焊接电连接。
该动触片50一端与支撑片40保持接触电连接，动触片50的另一端具有动触点51，该动触点51位于静触点32的上方。
该上框70与下框60彼此交叉并可叠合地枢接在一起，上框70的下端和下框60的下端分别与座体20的两端枢接，上框70的上端和下框60的上端分别与键帽80的底部两端枢接，上框70与下框60组成X型结构而带动动触片50活动，当上框70与下框60处于叠合状态时，该动触点51与静触点32接触电连接，针对该动触片50设置于促使动触片50复位使得动触点51离开静触点32的弹性件90。
具体而言，在本实施例中，该下框60和上框70均呈U型，该下框60包括有第一横杆61和两第一连杆62，该第一横杆61的两端均向外延伸出有第一枢接轴63，第一枢接轴63与键帽80枢接，该两第一连杆62彼此平行并分别与第一横杆61的两端一体成型连接，两第一连杆62的尾端内侧均延伸出有第二枢接轴64，第二枢接轴64与座体20枢接；该上框70包括有第二横杆71和两第二连杆72，该第二横杆71的两端均向外延伸出有第三枢接轴73，第三枢接轴73与键帽80枢接，该两第二连杆72彼此平行并分别与第二横杆71的两端一体成型连接，两第二连杆72的尾端内侧均延伸出有第四枢接轴74，第四枢接轴74与座体20枢接，且，两第二连杆72分别对应位于两第一连杆62的内侧，两第二连杆72的中部分别对应与两第一连杆62的中部枢接，在本实施例中，该第二连杆72的中部外侧向外延伸出有第六枢接轴75，对应地该第一连杆62上设置有枢接孔65，该第六枢接轴75***枢接孔65中枢接。
该第一连杆62的尾端表面凹设有第一嵌置槽601，第一连杆62的前端内侧凹设有第二嵌置槽602，叠合状态下，第二连杆72的前半部分嵌于第一嵌置槽601中，第二连杆72的后半部分嵌于第二嵌置槽602中，以使得产品更薄。
该座体20上凹设有凹腔22、两第一枢接槽23和两第二枢接槽24，该两第一枢接槽23和两第二枢接槽24分布于座体20表面的四个边角处，前述第二枢接轴64和第四枢接轴74分别对应卡嵌于第一枢接槽23和第二枢接槽24中，且该座体20上设置有上盖10′，该上盖10′将第二枢接轴64和第四枢接轴74分别对应限位于第一枢接槽23和第二枢接槽24中，该动触片50嵌于凹腔22中并位于上盖10′的下方。该上盖10′的两相对侧板均设置有扣孔11′，对应地该座体20上设置有扣部25，该扣部25与扣孔11′彼此扣合连接，使得实现了将上盖10′安装于座体20上，且该支撑片40的顶端具有定位部42，该上盖10′上设置有定位孔12′，该定位部42***定位孔12′中定位，以及该上盖10′的两侧板还延伸出有插脚13′，该插脚13′***PCB板10中焊接固定。
以及，该键帽80的底部设置有第三枢接槽81和第四枢接槽82，该第一枢接轴63和第三枢接轴73分别对应卡扣于第三枢接槽81和第四枢接槽82中枢接。
在本实施例中，该弹性件90为拉簧，该拉簧露出上盖10′，该拉簧的两端分别具有第一勾部91和第二勾部92，该上框70的第二横杆71设置有第一挂孔701，该第一勾部91与第一挂孔701挂扣，该动触片50上设置有第二挂孔52，该第二勾部92与第二挂孔52挂扣。
另外，该座体20嵌于前述X型结构内，以使得本产品的体积更小。
组装时，将静触片30和支撑片40分别由上往下插座于座体20对应的位置上，接着，将动触片50置于凹腔22中，并使得动触片50抵于支撑片40上保持接触，然后，将上框70和下框60彼此交叉枢接一起，并使得第二枢接轴64和第四枢接轴74分别对应卡嵌于第一枢接槽23和第二枢接槽24中，接着，将拉簧的第一勾部91与第一挂孔701挂扣，以及，将拉簧的第二勾部92与第二挂孔52挂扣，然后，将上盖10′由上往下扣装在座体20上，接着，组装键帽80，使得第一枢接轴63和第三枢接轴73分别对应卡扣于第三枢接槽81和第四枢接槽82中枢接即可。
使用时，当按压键帽80时，该上框70和下框60向下活动而叠合在一起，同时，该弹性件90被拉伸，该动触片50向下活动，使得动触点51与静触点32接触电连接；当松开键帽80时，弹性件90恢复形变，在弹性件90的作用下，上框70和下框60向上张开，键帽80向上复位，同时，动触片50也向上复位，使得动触点51离开静触点32。
请参照图10所示，其显示出了本发明之第二较佳实施例的具体结构，本实施例的具体结构与前述第一较佳实施例的具体结构基本相同，其所不同的是：
在本实施例中，该弹性件90为弹片，其一体成型设置于动触片50上，该动触片50与下框60安装连接。
本实施例的组装过程和使用方法均与前述第一较佳实施例的相同在此对本实施例的组装过程和使用方法不作详细叙述。
请参照图11所示，其显示出了本发明之第三较佳实施例的具体结构，本实施例的具体结构与前述第一较佳实施例的具体结构基本相同，其所不同的是：
该座体20位于X型结构的下方，该上框70和下框60均向上伸出上盖10′外。
本实施例的组装过程和使用方法均与前述第一较佳实施例的基本相同在此对本实施例的组装过程和使用方法不作详细叙述。
本发明的设计重点在于：通过利用上框与下框彼此交叉并可叠合地枢接在一起，并配合上框与下框组成X型结构而带动动触片活动，取代了传统之采用导柱的形式，使得产品的整体厚度减薄，并且，无论手指作用于键帽的任何位置，上框和下框均可实现联动而带动动触片活动，实现稳定下压，使得静触片与动触片的导通连接更加灵敏，产品使用更加方便。
以上所述，仅是本发明的较佳实施例而已，并非对本发明的技术范围作任何限制，故凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (10)

  1. 一种超薄型键盘开关，其特征在于：包括有座体、静触片、支撑片、动触片、下框、上框以及键帽；该静触片和支撑片彼此分开设置在座体上，该静触片具有第一焊接脚和静触点，该支撑片具有第二焊接脚，该第二焊接脚和第一焊接脚均伸出座体外；该动触片一端与支撑片保持接触电连接，动触片的另一端具有动触点，该动触点位于静触点的上方；该上框与下框彼此交叉并可叠合地枢接在一起，上框的下端和下框的下端分别与座体的两端枢接，上框的上端和下框的上端分别与键帽的底部两端枢接，上框与下框组成X型结构而带动动触片活动，当上框与下框处于叠合状态时，该动触点与静触点接触电连接，针对该动触片设置于促使动触片复位使得动触点离开静触点的弹性件。
  2. 根据权利要求1所述的超薄型键盘开关，其特征在于：所述下框和上框均呈U型，该下框包括有第一横杆和两第一连杆，该第一横杆的两端均向外延伸出有第一枢接轴，第一枢接轴与键帽枢接，该两第一连杆彼此平行并分别与第一横杆的两端一体成型连接，两第一连杆的尾端内侧均延伸出有第二枢接轴，第二枢接轴与座体枢接；该上框包括有第二横杆和两第二连杆，该第二横杆的两端均向外延伸出有第三枢接轴，第三枢接轴与键帽枢接，该两第二连杆彼此平行并分别与第二横杆的两端一体成型连接，两第二连杆的尾端内侧均延伸出有第四枢接轴，第四枢接轴与座体枢接，且，两第二连杆分别对应位于两第一连杆的内侧，两第二连杆的中部分别对应与两第一连杆的中部枢接。
  3. 根据权利要求2所述的超薄型键盘开关，其特征在于：所述第一连杆的尾端表面凹设有第一嵌置槽，第一连杆的前端内侧凹设有第二嵌置槽，叠合状态下，第二连杆的前半部分嵌于第一嵌置槽中，第二连杆的后半部分嵌于第二嵌置槽中。
  4. 根据权利要求2所述的超薄型键盘开关，其特征在于：所述第二连杆的中部外侧向外延伸出有第六枢接轴，对应地该第一连杆上设置有枢接孔，该第六枢接轴***枢接孔中枢接。
  5. 根据权利要求2所述的超薄型键盘开关，其特征在于：所述座体上凹设有第一枢接槽和第二枢接槽，该第二枢接轴和第四枢接轴分别对应卡嵌于第一枢接槽和第二枢接槽中，且该座体上设置有上盖，该上盖将第二枢接轴和第四枢接轴分别对应限位于第一枢接槽和第二枢接槽中，该动触片位于上盖的下方。
  6. 根据权利要求2所述的超薄型键盘开关，其特征在于：所述键帽的底部设置有第三枢接槽和第四枢接槽，该第一枢接轴和第三枢接轴分别对应卡扣于第三枢接槽和第四枢接槽中枢接。
  7. 根据权利要求1所述的超薄型键盘开关，其特征在于：所述弹性件为拉簧，该拉簧的一端与上框挂扣，拉簧的另一端与动触片挂扣。
  8. 根据权利要求1所述的超薄型键盘开关，其特征在于：所述弹性件为弹片，其一体成型设置于触动片上，该动触片与下框安装连接。
  9. 根据权利要求1所述的超薄型键盘开关，其特征在于：所述座体嵌于X型结构内。
  10. 根据权利要求1所述的超薄型键盘开关，其特征在于：所述座***于X型结构的下方。
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CN104299827B (zh) 2017-02-15
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