CN103000417A - Key switch - Google Patents

Key switch Download PDF

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Publication number
CN103000417A
CN103000417A CN201110270956XA CN201110270956A CN103000417A CN 103000417 A CN103000417 A CN 103000417A CN 201110270956X A CN201110270956X A CN 201110270956XA CN 201110270956 A CN201110270956 A CN 201110270956A CN 103000417 A CN103000417 A CN 103000417A
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CN
China
Prior art keywords
terminal
housing
fixed
portion
fixed terminal
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CN201110270956XA
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Chinese (zh)
Inventor
郭泳甲
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株式会社Magma
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Priority to CN201110270956XA priority Critical patent/CN103000417A/en
Publication of CN103000417A publication Critical patent/CN103000417A/en

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Abstract

The invention relates to a key switch which comprises a shell, a cover board, a first fixed terminal, a second fixed terminal, and a domed moving terminal. The top of the shell provided with an inner space is provided with an opening. The cover board covers the top opening of the shell. Each of the first fixed terminal and the second fixed terminal is provided with a connecting sheet disposed at the inner bottom of the shell. The domed moving terminal is disposed in the shell. The top of the domed moving terminal can elastically deform and restore under the action of pressure so as to allow the connecting sheet of the first fixed terminal and the connecting sheet of the second terminal to mutually connect or disconnect. The cover board is made of a metal board capable of elastically deforming and restoring, and the edge of the cover board is fixed on the shell. The center of the cover board bulges down to form a key protrusion which can contact with an apex of the moving terminal. The cover board covering the opening of the shell of the key switch is capable of pressing the apex of the moving terminal so as to serve as a switch key, the number of parts is reduced, the longitudinal thickness of the switch is reduced, and the shell and the cover board can be assembled by single process.

Description

按键式开关装置 Key switch device

技术领域 FIELD

[0001] 本发明是关于一种按键式开关装置,具体说明为,关于一种按键式开关装置,该按键式开关装置利用覆盖开关外壳开放部的盖板对穹顶状可动端子的顶点部向下加压,兼起开关按键的作用,不仅减少了部件数量,还能进一步减小纵向厚度。 [0001] The present invention relates to a push-button switch device, as described in detail, relates to a push-button switch device, the key switch device using a cover to cover the apex portion of the switch housing portion to open the dome-shaped movable terminal under pressure, and acts as a switch button, not only reduces the number of parts can be further reduced longitudinal thickness.

背景技术 Background technique

[0002] 一般来说,按键式开关装置多用于手机、游戏机、各种电子仪器等,现有技术的按键式开关装置的组成结构如图5所示,其组成包括:一侧开放且由绝缘树脂制成的外壳I ;外壳I内设置的穹顶状可动端子2及多个固定端子3 ;可按压地设置在上述外壳I上,并激活可动端子的按键4 ;以及覆盖上述外壳I开放部的盖板5。 [0002] In general, the key switch device used in mobile phones, game machines, electronic equipment and the like, the key switch structure composed of a prior art apparatus shown in Figure 5, the composition comprising: from the open side and I housing made of an insulating resin; dome-shaped housing provided in the movable terminal I 2 and 3 a plurality of fixed terminals; may be provided on the press housing I, and activates the movable terminal keys 4; and a housing covering the I cover 5 open portion. [0003] 通过对按键4的按压操作,对可动端子2的顶点部施加压力,顶点部就会向下方发生弹性变形并复原,使多个固定端子3接通或断开,实现开关功能。 [0003] By pressing operation button 4 is applied to the vertex portion of the movable terminal 2 pressure, will be arisen apex portion is elastically deformed downward and restored, so that a plurality of fixed terminals 3 on or off switching function.

[0004] 上述外壳I和盖板5的组装通过合成树脂制成的外壳I上形成的结合凸起Ia和金属材质制成的盖板5上形成的结合孔5a实现。 Coupling hole formed on the coupling projection is made of metal material and Ia is formed on the housing cover 5 I [0004] I and the cover plate of the housing assembly 5 by a synthetic resin 5a achieved. S卩,将外壳I的结合凸起Ia插入到盖板5的结合孔5a后(图5中虚线所示状态),使其贯通结合孔5a,并对凸出的结合凸起Ia的末端进行热熔融处理,扩大截面面积,从而将盖板5固定在外壳I上。 After S Jie, I bound housing Ia is inserted into the protrusion coupling hole 5 of the cover 5a (state shown in FIG. 5 in broken lines), so that in conjunction with the through holes 5a, and the projecting end of the projection binding Ia is hot melt process, enlarged cross-sectional area, so that the cover plate 5 is fixed to the housing I.

[0005] 但是,上述现有技术的按键装置,由于设置了对可动端子2顶点部加压的按键4,其纵向厚度较厚,而且按键4上部通过盖板5的通孔露出,容易通过盖板5和按键4之间的缝隙进入灰尘。 [0005] However, the above prior art button devices, since the movable terminal of the second apex portion pressing button 4, thicker longitudinally and keys 4 exposed through the upper cover plate 5 through hole easily by the gap between the button 4 and the cover 5 into the dust.

[0006] 另外,为完成组装,需要依次进行将外壳I的结合凸起Ia插入到盖板5的结合孔5a的工序以及对从结合孔5a凸出的结合凸起Ia进行热熔融以扩大其截面面积的工序,因此,组装工序增加,降低了生产效率,实行自动组装时,增加了成本。 [0006] Further, to complete the assembly, the housing needs to be incorporated in turn I Ia is inserted into the protrusion coupling hole 5a of the cover plate Step 5 and projecting from the engaging hole of the engaging protrusion 5a Ia to expand its heat-melt step cross-sectional area, thus increasing the assembling process, reducing production efficiency, when the implementation of automatic assembly, cost is increased.

发明内容 SUMMARY

[0007] 本发明为解决上述问题而提出,其目的是提供一种按键式开关装置,该按键式开关装置利用覆盖开关外壳开放部的盖板能够对可动端子的顶点部加压,兼起开关按键的作用,无需另外设置按键,不仅减少了部件数量,而且大幅减小了纵向厚度。 [0007] The present invention is to solve the above problems, and an object thereof is to provide a push-button switch device, the key switch device using the cover plate of the switch housing can be open to the movable portion of the apex portion of the terminal pressing, and from functions as a switch button, provided no additional buttons, reduces the number of components, and greatly reduced the longitudinal thickness.

[0008] 本发明的目的还在于提供一种按键式开关装置,该按键式开关装置的外壳和盖板的组装通过单一工序即可完成,简化了工序,能够简便、迅速地完成作业,从而提高了生产效率。 [0008] The object of the present invention is to provide a push-button switch device, the housing and the cover of the push-button switch assembly can be completed by means of a single step, simplifying the process, can be easily, quickly finish the job, thereby improving production efficiency.

[0009] 为达到上述目的,本发明的按键式开关装置包括:外壳,该外壳上部开放且具有内部空间;盖板,该盖板覆盖所述外壳的上部开放部;第一固定端子和第二固定端子,该第一固定端子和第二固定端子包括设置在所述外壳内部底面的连接片;以及穹顶状可动端子,该穹顶状可动端子设置在所述外壳内部,该穹顶状可动端子的顶部在压力作用下能够发生弹性变形并能够复原,从而使所述第一固定端子的连接片和所述第二固定端子的连接片相互接通或断开;其中,所述盖板由能够发生弹性变形并能够复原的金属板材制成,所述盖板的边缘部固定在所述外壳上,所述盖板的中央部分向下凸出形成有能够与所述可动端子的顶点部接触的按键凸起。 [0009] To achieve the above object, the key switch device of the present invention comprises: a housing, an upper portion of the housing and having an internal space open; cover plate covering the upper open portion of the housing; a first and a second fixed terminal a fixed terminal fixed to the first terminal and the second fixed terminal disposed in the housing comprising inner bottom surface of the connection piece; and a dome-shaped movable terminal, the dome-shaped movable terminal disposed in the interior of the housing, the dome-shaped movable top terminal capable of elastic deformation under pressure and can be restored, so that said first fixed terminal connected to the second plate and the connecting plate fixed terminal on or off each other; wherein the cover plate by a a central portion of a metal plate material can be elastically deformed and can be restored, the edge portion of the cover is fixed on the housing, the cover plate can be formed to protrude downward from the apex portion of the movable terminal button contact protrusion.

[0010] 本发明特征还在于,所述盖板的边缘部分形成有多个U形弹性固定片,所述外壳的开放部上表面形成有多个插入并固定所述多个弹性固定片的固定槽。 [0010] The present invention is further characterized in that the cover plate edge portion is formed with a plurality of U-shaped resilient retainer piece, the surface is formed with a plurality of the insertion opening portion of the housing and fixing the plurality of elastic fixing piece fixed groove.

[0011] 本发明特征还在于,在所述外壳的开放部上表面和所述盖板的上表面附着有合成树脂制成的保护膜,盖板的边缘部分和按键凸起之间形成有多个贯通孔,以便发生弹性变·形。 [0011] The present invention is further characterized in that on the open portion of the housing is attached protective film made of synthetic resin surface and the upper surface of the cover plate, the cover plate is formed between the plurality of keys and a protrusion edge portion through-holes, in order to elastically variable-shape.

[0012] 根据本发明的上述特殊结构,只要按压覆盖外壳开放部的盖板的中央部,由能够发生弹性变形并能够复原的金属材质制成的盖板就会沿按压方向发生弹性变形,使中央部分的按键凸起向下方移动,穹顶状可动端子的顶点部在按键凸起的压力作用下向下方发生弹性变形,使外壳内设置的第一固定端子的接触片和第二固定端子的接触片接通,从而实现开关功能。 [0012] According to the specific structure of the present invention, as long as the central portion of the pressing plate covering the open portion of the housing, the cover made of an elastic deformation can occur and can be recovered metal material will be elastically deformed in the pressing direction, so that the central portion of the key is moved downward convex, dome-shaped apex portion of the movable terminal under pressure arisen key protrusion is elastically deformed downward, so that the first contact piece fixed terminal disposed within the housing and a second fixed terminal contact piece turned on, thereby switching function.

[0013] 如上所述,本发明的按键式开关装置通过覆盖外壳开放部的盖板实现对可动端子加压的开关功能,无需另外设置现有技术中使用的按键,减少了部件数量,提高了生产效率,并且降低了制造成本,特别是,大幅减小了纵向厚度,使按键式开关装置可以做得更薄。 [0013] As described above, the key switch device of the invention covered by the cover plate of the housing opening portion of the movable terminal pressurized achieve switching function, no additional keys provided in the prior art to reduce the number of parts, to improve production efficiency, and reduced manufacturing costs, in particular, the longitudinal thickness greatly reduced, so that the key switch device can be made thinner.

[0014]另外,本发明通过将盖板的弹性固定片插入到外壳固定槽的简单操作即可固定盖板,因此,能够简便、迅速地完成外壳和盖板的组装作业。 [0014] Further, the present invention is by a simple operation of the cover to the housing elastic tabs into the fixing groove of the cover plate can be fixed, and therefore, can be easily, to complete the assembling work of the housing and the cover plate quickly. 因此,减少了产品组装时的工序,提高了生产效率,实行自动化组装工序时,能够降低费用。 Therefore, reducing the process time of product assembly, improve production efficiency, while the implementation of automated assembly processes to reduce costs.

附图说明 BRIEF DESCRIPTION

[0015] 图1是本发明的按键式开关装置的分解示意图。 [0015] FIG. 1 is an exploded view of the key switch device of the present invention.

[0016] 图2a及图2b是本发明的按键式开关装置的工作状态纵截面图。 [0016] Figures 2a and 2b is a longitudinal sectional view of the operating state of the key switch device of the present invention.

[0017] 图3是显示本发明的按键式开关装置的第一固定端子及第二固定端子设置状态的外壳横截面图。 [0017] FIG. 3 is a cross-sectional view of a first housing fixed terminal of the key switch device of the present invention, the second fixed terminal and the setting state.

[0018] 图4是本发明的按键式开关装置的盖板的变形实例的平面示意图。 [0018] FIG. 4 is a plan view of the modified example of the cover of the push-button switch device according to the present invention.

[0019] 图5是现有技术的按键式开关装置的纵向剖视图。 [0019] FIG. 5 is a longitudinal sectional view of the key switch device of the prior art.

[0020] 附图标记说明 [0020] REFERENCE NUMERALS

[0021] 10 :外壳 11 :固定槽 [0021] 10: housing 11: fixing groove

[0022] 12、13:第一固定端子、第二固定端子14 :可动端子 [0022] 12, 13: first fixed terminal, the second fixed terminal 14: movable terminal

[0023] 20 :盖板 21 :按键凸起 [0023] 20: cover plate 21: projection button

[0024] 22 :弹性固定片 23 :贯通孔 [0024] 22: elastic fixing piece 23: through-hole

[0025] 30 :保护膜 [0025] 30: protective film

具体实施方式 Detailed ways

[0026] 下面参照附图对本发明的优选实施方式进行详细说明。 [0026] Referring to the drawings a preferred embodiment of the present invention will be described in detail.

[0027] 图1及图2a是本发明的按键式开关装置的分解示意图及剖视图,本发明的按键式开关装置包括具有内部空间的六面体外壳10。 [0027] FIG. 1 and FIG. 2a is an exploded view of the key switch device of the present invention and a cross-sectional view, the key switch device of the present invention comprises a housing 10 having a hexahedral inner space. 外壳10由绝缘树脂通过注塑成型方法制成,上部开放以能够在内部设置部件,设置完部件后,利用金属材质制成的盖板20覆盖其开放部。 A housing 10 made of an insulating resin by injection molding, after the upper opening so as to be disposed within the member, after setting member, made of a metal material using the cover plate 20 covering the open portion. [0028] 外壳10内设置了起开关作用的第一固定端子12及第二固定端子13和通过连接或断开上述第一固定端子12及第二固定端子13以实现开关功能的可动端子14。 [0028] 10 is provided within the housing acting as a switch and the first fixed terminal 12 and the second fixed terminal 13 by connecting or disconnecting the first fixed terminal 12 and second fixed terminals 13 to achieve a switch function 14 of the movable terminal .

[0029] 第一固定端子12及第二固定端子13由导电金属制成,如图1及图3所示,在对外壳10进行注塑成型时一起成型,并埋设在外壳10内。 [0029] The first fixed terminal 12 and 13 made of conductive metal, as shown in FIG. 1 and FIG. 3, the molding of the casing 10 together during injection molding, and embedded in the second fixed terminal 10 within the housing. 第一固定端子12及第二固定端子13分别包括外部端子12a、13a,以与外部电源连接,所述外部端子12a、13a露出并设置在外壳10两侧壁的下方;还分别包括连接片12b、13b,以与上述可动端子14连接,所述连接片12b、13b露出并设置在外壳10内部底面。 The first fixed terminal 12 and second fixed terminals 13 respectively include outer terminals 12a, 13a, to be connected to an external power source, the external terminal 12a, 13a is exposed and side walls 10 disposed at the bottom of the housing; further comprising a connecting plate 12b, respectively, , 13b, to be connected to the movable terminal 14, a connecting piece 12b, 13b are exposed and arranged in the inner bottom surface 10 of the housing. 其中,第一固定端子12的连接片12b设置在外壳10底面中央位置,第二固定端子13的连接片13b共设置2个,分别设置在外壳10底面两侧边缘部。 Wherein the connecting piece 12b of the first fixed terminal 12 is disposed at the center of the bottom surface of the housing 10, the second fixed terminal 13 of the connecting piece 13b is provided a total of 2, 10 are provided on the bottom surface of the housing on both sides of the edge portion.

[0030] 可动端子14由具有导电性及弹性的不锈钢制成,呈穹顶状并设置在外壳10底面。 [0030] The movable terminal 14 is made of stainless steel having conductivity and elasticity, domed and the bottom surface of the housing 10 is provided. 向上拱起的可动端子14的顶点部14a位于第一固定端子12的连接片12b上,可动端子14的边缘部与第二固定端子13的连接片13b接触。 Apex portion 14 of the movable terminal 14a upwardly arched connecting plate 12b positioned on the first fixed terminal 12, the movable terminal 14 and the edge portion 13b of the second fixed terminal connected to a contact sheet 13. 因此,只要对可动端子14的顶点部14a加压使其向下方发生弹性变形,就会如图2b所示,通过可动端子14的顶点部14a与第一固定端子12的连接片12b接触,使第一固定端子12及第二固定端子13相互接通;解除压力, 就会如图2a所示,顶点部14a在弹性复原力作用下复归原位,使第一固定端子12及第二固定端子13相互断开。 Thus, as long as the vertex portion 14a of the movable terminal 14 is elastically deformed downward pressure it has arisen, will be shown in Figure 2b, the movable terminal 14 of the apex portion 14a into contact with the first fixed terminal of the connecting piece 12b 12 the first fixed terminal 12 and the second fixed terminal 13 is turned to each other; the pressure was released, will be as shown in Figure 2a, the apex portion 14a back into position under an elastic restoring force of the first and second fixed terminals 12 fixed terminal 13 are disconnected.

[0031] 对上述可动端子14顶点部14a的加压操作通过覆盖外壳10开放部的盖板20实现。 [0031] 20 to achieve the apex 14 of the movable terminal portion 14a of the pressing operation by the cover plate 10 covering the open portion of the housing.

[0032] 盖板20由能够通过自身弹性发生变形并复原的薄金属板材,例如不锈钢等制成。 Deformed sheet metal material [0032] from the cap plate 20 and capable of elastically restoring itself by, for example, made of stainless steel. 盖板20的边缘固定设置在外壳10上,盖板20的中央向下凸出形成有与可动端子14的顶点部14a接触的按键凸起21。 Edge cover 20 is fixed to the housing 10, the center cover 20 and the key projection 14a is formed downward from the apex portion of the contact protrusion 14 of the movable terminal 21.

[0033] 只要按压盖板20,使其向下发生弹性变形,中央部分就会向下发生弹性变形,按键凸起21向下方移动,最终使按键凸起21按压可动端子14的顶点部14a。 [0033] As long as the pressing plate 20 is elastically deformed downwardly, the central portion will be deformed elastically downward, the key projection 21 moves downward, and finally to the key projection 21 presses the movable terminal 14 of the apex portion 14a . 按键凸起21按压可动端子14时,会集中按压力,使可动端子14的顶点部14a向下发生充分的弹性变形。 When the key projection 21 presses the movable terminal 14, it will focus on the pressing force, so that the apex portion 14a of the movable terminal 14 is sufficiently elastically deformed downwardly.

[0034] 另外,外壳10和盖板20的固定结构如下。 [0034] Further, the housing fixing structure 10 and the cover 20 is as follows. 盖板20的边缘部分形成有多个U形弹性固定片22,外壳10的开放部上表面形成有多个能够插入并固定上述弹性固定片22的固定槽11。 An edge portion of the cover plate 20 is formed with a plurality of U-shaped resilient surface formed with a plurality of fixing pieces can be inserted and fixed to the elastic fixing piece 22 of the fixing groove portion 11 on the opening 22, the housing 10.

[0035] 其中,上述弹性固定片22和固定槽11均以90度间隔等间距形成4个,上述U形弹性固定片22的末端开放间隔要大于与其对应的外壳10的固定槽22的宽度。 Pitch [0035] wherein the elastic fixing piece 22 and the fixing grooves 11 are spaced 90 degrees like 4, said U-shaped elastic fixing piece 22 of the open end of the spacer is greater than its width corresponding to the fixing groove 22 of the housing 10. 弹性固定片22的末端开放间隔越大,将弹性固定片22插入到固定槽22时,其弹性复原力也就越大,从而提高与固定槽22侧壁之间的固定状态。 End of the elastic fixing piece 22 of the larger open interval, the elastic fixing piece 22 is inserted into the fixing groove 22, the greater the elastic restoring force, thereby improving the fixed state between the side walls 22 and the fixing groove.

[0036] 另外,本发明在外壳10的开放部上表面和盖板20的上表面通过粘结剂附着了一层薄薄的合成树脂制成的保护膜30,防止灰尘等异物或湿气进入外壳10内部。 [0036] Further, the present invention is in the open portion of the housing 10 and the upper surface of the cap plate 20 by surface adhesion of the adhesive protective film 30 made of a thin layer of synthetic resin, preventing foreign matter such as dust or moisture from entering 10 inside the housing.

[0037] 另外,作为上述盖板20的一个变形实例,如图4所示,最好在其边缘部和按键凸起21之间形成多个贯通孔23,以便发生弹性变形。 [0037] Further, as a modification example of the cover plate 20, as shown, preferably at an edge portion and a plurality of buttons 21 through holes 23 are formed between the projections 4 to elastically deformed. 上述多个贯通孔23等间隔设置在以中央的按键凸起21为中心的圆周上,最好是沿半径方向相互交错地设置在多个圆周上,贯通孔23的形状最好是沿圆周方向的长孔。 The plurality of through holes 23 arranged at equal intervals on the circumference of the central projection 21 of the key as the center, preferably in a radial direction are alternately provided on a plurality of circumferentially arranged, preferably is the shape of the through hole 23 in the circumferential direction the long hole.

[0038] 下面,对具有上述结构的本发明的工作原理进行说明。 [0038] Next, the operation principle of the present invention having the above structure will be described.

[0039] 如图2a及图2b所示,为进行按键操作,按压盖板20的中央,由于盖板20的边缘固定,中央部分将向下发生弹性变形,按键凸起21向可动端子14侧移动,与可动端子14的顶点部14a接触并对其按压。 [0039] As shown in Figures 2a and 2b, to perform a key operation, the center of the pressing plate 20, since the edge of the fixed cover 20, the central portion will be deformed elastically downward, button 21 to the projection 14 of the movable terminal side movement, the movable contact terminal 14 and the apex portion 14a thereof presses.

[0040] 由于盖板20由能够在自身弹性作用下发生变形并复原的薄金属板材制成,所以能够很顺利地发生弹性变形。 [0040] Since the deformation of the cover plate 20 can occur by the action of the elastic in itself and formed into a thin sheet metal recovery, it is possible to very smoothly elastically deformed.

[0041] 如上所述,盖板20的按键凸起21对可动端子14的顶点部14a加压,如图2b所示,可动端子14的顶点部14a向下方发生弹性变形,与外壳10上设置的第一固定端子12的连接片12b接触,使第一固定端子12和第二固定端子13相互接通。 Vertex [0041] As described above, the cover button 20 of vertex projections 21 of the movable terminal 14a of the pressure shown in Figure 2b, 14a of the movable terminal 14 is elastically deformed downwardly arisen, the housing 10 the first fixed terminal 12 of the connecting piece 12b provided on the contacts, the first fixed terminal 12 and the second fixed terminal 13 is turned to each other.

[0042] 此时,盖板20的加压凸起36将使压力集中在可动端子14的顶点部14a,因此能够确保可动端子14的顶点部14a向下方发生充分的弹性变形。 [0042] At this time, the pressing projection 36 of the cover 20 will cause the movable pressure is concentrated on the apex portion 14a of the terminal 14, it is possible to ensure that the apex portion 14a of the movable terminal 14 is sufficiently elastically deformed downwardly arisen.

[0043] 接着,解除对盖板20的压力,可动端子14和盖板20分别在自身弹性复原力作用下复归原位。 [0043] Next, the lifting of the pressure plate 20, the movable terminal 14 and the cap plate 20 are reset under its own elastic restoring force in situ. 这样,可动端子14的顶点部14a将与第一固定端子12的连接片12b分离,使第一固定端子12和第二固定端子13之间断开。 Thus the apex portion, the movable terminal 14a of the connecting plate 12b is separated from the first fixed terminal 12, the off between the first fixed terminal 13 and the second fixed terminal 12.

[0044] 如上所述,本发明的按键式开关装置通过对盖板20的按压操作实现对可动端子14的顶点部14a加压的开关功能,能够反复进行开关操作。 [0044] As described above, push-button switch device according to the present invention on the vertex portion 14 of the movable terminal 14a of the pressure switch function, switching operation can be achieved by the cover 20 of the pressing operation repeatedly.

[0045] 另外,本发明可以非常简单、方便地完成外壳10和盖板20的组装作业。 [0045] Further, the present invention can be very simple, easily complete the assembling work of the housing 10 and the cover plate 20. S卩,只要将盖板20的U形弹性固定片22插入到外壳10的固定槽11中,弹性固定片22就会在收缩时产生弹性复原力,通过上述弹性复原力使弹性固定片22紧贴于固定槽11的侧壁,保持盖板20与外壳10的固定状态。 S Jie, as long as the U-shaped cover 20 of the elastic fixing piece 22 is inserted into the fixing grooves 10 of the housing 11, the elastic fixing piece 22 will produce an elastic restoring force in the contraction, the elastic restoring force by the elastic fixing piece 22 tightly affixed to the side walls of the fixing grooves 11, 20 being fixed with the housing 10 of the cap plate.

[0046] 以上对本发明优选实施方式进行了详细说明,但本发明并不局限于上述实施方式,在不脱离本发明技术思想和权利要求范围的前提下,相关领域从业人员可以进行多种变更、变形或置换,这些实施方式均应属于本发明权利要求的范围。 [0046] The preferred embodiment of the above embodiment of the present invention has been described in detail, but the present invention is not limited to the above embodiments, without departing from the spirit and scope of the claimed invention, the relevant art that various changes may be employed, modification or substitution of the embodiments within the scope of claims of the present invention should claims.

Claims (4)

1. 一种按键式开关装置,其特征在于,该按键式开关装置包括:外壳,该外壳上部开放且具有内部空间;盖板,该盖板覆盖所述外壳的上部开放部;第一固定端子和第二固定端子,该第一固定端子和第二固定端子包括设置在所述外壳内部底面的连接片;以及穹顶状可动端子,该穹顶状可动端子设置在所述外壳内部,该穹顶状可动端子的顶部在压力作用下能够发生弹性变形并能够复原,从而使所述第一固定端子的连接片和所述第二固定端子的连接片相互接通或断开;其中,所述盖板由能够发生弹性变形并能够复原的金属板材制成,所述盖板的边缘部固定在所述外壳上,所述盖板的中央部分向下凸出形成有能够与所述可动端子的顶点部接触的按键凸起。 A push-button switch device, wherein the key switch device comprising: a housing, an upper portion of the housing and having an internal space open; cover plate covering the upper open portion of the housing; a first fixed terminal and a second fixed terminal, the first fixed terminal and the second fixed terminal disposed in the housing comprising inner bottom surface of the connection piece; and a dome-shaped dome of the movable terminal, the dome-shaped movable terminal disposed inside the housing, shaped movable top terminal capable of elastically deformable under pressure and can be restored, so that said first fixed terminal connected to the second plate and the connecting plate fixed terminal on or off each other; wherein said the central portion is made capable of an elastic deformation of the cover plate can be restored and the sheet metal, the cover plate edge portion fixed to the housing, the cover plate can be formed to protrude downward from the movable terminal button contact protrusion apex portion.
2.根据权利要求1所述的按键式开关装置,其特征在于,所述盖板的边缘部形成有多个U形弹性固定片,所述外壳的开放部上表面形成有多个能够插入并固定所述多个U形弹性固定片的固定槽。 The key switch device according to claim 1, characterized in that the cover plate edge portion is formed with a plurality of U-shaped resilient retainer piece is formed on the open surface of the housing portion can be inserted and a plurality of securing the plurality of U-shaped resilient fixing piece fixing groove.
3.根据权利要求1或2所述的按键式开关装置,其特征在于,在所述外壳的开放部上表面和所述盖板的上表面附着有合成树脂制成的保护膜。 The key switch device according to claim 1, wherein, in the open portion of the housing is attached a protective film made of synthetic resin surface and the upper surface of the cap plate.
4.根据权利要求3所述的按键式开关装置,其特征在于,在所述盖板的边缘部和所述按键凸起之间形成有多个贯通孔,以便发生弹性变形。 The key switch device according to claim 3, wherein a plurality of through holes are formed in an edge portion between said cover and said projection key, so that the elastic deformation.
CN201110270956XA 2011-09-14 2011-09-14 Key switch CN103000417A (en)

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US9449772B2 (en) 2012-10-30 2016-09-20 Apple Inc. Low-travel key mechanisms using butterfly hinges
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US9710069B2 (en) 2012-10-30 2017-07-18 Apple Inc. Flexible printed circuit having flex tails upon which keyboard keycaps are coupled
US10211008B2 (en) 2012-10-30 2019-02-19 Apple Inc. Low-travel key mechanisms using butterfly hinges
US9761389B2 (en) 2012-10-30 2017-09-12 Apple Inc. Low-travel key mechanisms with butterfly hinges
US10114489B2 (en) 2013-02-06 2018-10-30 Apple Inc. Input/output device with a dynamically adjustable appearance and function
US9927895B2 (en) 2013-02-06 2018-03-27 Apple Inc. Input/output device with a dynamically adjustable appearance and function
US10262814B2 (en) 2013-05-27 2019-04-16 Apple Inc. Low travel switch assembly
US9908310B2 (en) 2013-07-10 2018-03-06 Apple Inc. Electronic device with a reduced friction surface
US10224157B2 (en) 2013-09-30 2019-03-05 Apple Inc. Keycaps having reduced thickness
US10002727B2 (en) 2013-09-30 2018-06-19 Apple Inc. Keycaps with reduced thickness
US9640347B2 (en) 2013-09-30 2017-05-02 Apple Inc. Keycaps with reduced thickness
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US9793066B1 (en) 2014-01-31 2017-10-17 Apple Inc. Keyboard hinge mechanism
US9779889B2 (en) 2014-03-24 2017-10-03 Apple Inc. Scissor mechanism features for a keyboard
US9704665B2 (en) 2014-05-19 2017-07-11 Apple Inc. Backlit keyboard including reflective component
US9715978B2 (en) 2014-05-27 2017-07-25 Apple Inc. Low travel switch assembly
US10082880B1 (en) 2014-08-28 2018-09-25 Apple Inc. System level features of a keyboard
US10192696B2 (en) 2014-09-30 2019-01-29 Apple Inc. Light-emitting assembly for keyboard
US10128061B2 (en) 2014-09-30 2018-11-13 Apple Inc. Key and switch housing for keyboard assembly
US9870880B2 (en) 2014-09-30 2018-01-16 Apple Inc. Dome switch and switch housing for keyboard assembly
US10134539B2 (en) 2014-09-30 2018-11-20 Apple Inc. Venting system and shield for keyboard
US10083805B2 (en) 2015-05-13 2018-09-25 Apple Inc. Keyboard for electronic device
US10128064B2 (en) 2015-05-13 2018-11-13 Apple Inc. Keyboard assemblies having reduced thicknesses and method of forming keyboard assemblies
US9997308B2 (en) 2015-05-13 2018-06-12 Apple Inc. Low-travel key mechanism for an input device
US10083806B2 (en) 2015-05-13 2018-09-25 Apple Inc. Keyboard for electronic device
US9997304B2 (en) 2015-05-13 2018-06-12 Apple Inc. Uniform illumination of keys
US9934915B2 (en) 2015-06-10 2018-04-03 Apple Inc. Reduced layer keyboard stack-up
US9971084B2 (en) 2015-09-28 2018-05-15 Apple Inc. Illumination structure for uniform illumination of keys
US10310167B2 (en) 2015-09-28 2019-06-04 Apple Inc. Illumination structure for uniform illumination of keys
US10353485B1 (en) 2016-07-27 2019-07-16 Apple Inc. Multifunction input device with an embedded capacitive sensing layer
US10115544B2 (en) 2016-08-08 2018-10-30 Apple Inc. Singulated keyboard assemblies and methods for assembling a keyboard

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