CN101572195B - Key module and portable electronic device therewith - Google Patents

Key module and portable electronic device therewith Download PDF

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Publication number
CN101572195B
CN101572195B CN 200810301374 CN200810301374A CN101572195B CN 101572195 B CN101572195 B CN 101572195B CN 200810301374 CN200810301374 CN 200810301374 CN 200810301374 A CN200810301374 A CN 200810301374A CN 101572195 B CN101572195 B CN 101572195B
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China
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key
portion
pressure
receiving portion
base
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CN 200810301374
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Chinese (zh)
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CN101572195A (en
Inventor
曹美足
蔡清森
彭敬钦
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深圳富泰宏精密工业有限公司
奇美通讯股份有限公司
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Priority to CN 200810301374 priority Critical patent/CN101572195B/en
Publication of CN101572195A publication Critical patent/CN101572195A/en
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Publication of CN101572195B publication Critical patent/CN101572195B/en

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Abstract

本发明提供一种按键模组,该按键模组至少包括一按键,该按键包含一键帽、一底座、一支撑件、一抵持件及一弹片。 The present invention provides a key module, the key module comprises at least one key, the key comprises a keycap, a base, a support member, a resisting member, and an elastic piece. 该底座包含一受压部和一与该受压部相连的承载部,其中该键帽是设置在该受压部上。 The base includes a pressure-receiving portion and a carrier portion connected to the pressure-receiving portion, wherein the key cap is disposed on the pressure receiving portion. 该支撑件设置在该底座的承载部朝向键帽的一侧,以便于该键帽受压时用以支撑该键帽。 The support member is provided at a side portion of the carrier base toward the key cap, for supporting the key top so as to pressure when the keycap. 该抵持件设置在该受压部与弹片间以使该弹片电连接至一电路板。 The resisting member is provided between the pressure-receiving portion and the elastic piece so that the elastic piece is electrically connected to a circuit board. 本发明利用底座的受压部和承载部的高度差异,将支撑件设置在该承载部上,充分利用按键间本来就需要的空隙来配置该等组件,有效降低该按键模组和应用该按键模组的电子装置的整体厚度。 The present invention utilizes the difference in height of the pressure receiving portion and the bearing portion of the base, the support member is disposed on the carrier portion would take advantage of the gaps between the keys need to configure those components, reduce the key module and the application key the overall thickness of the electronic device module.

Description

按键模组和具该按键模组的便携式电子装置技术领域[0001] 本发明涉及一种按键模组和应用该按键模组的电子装置。 Key module and a portable electronic device having the keypad module Technical Field [0001] The present invention relates to a key module and an electronic apparatus applying the key module. 背景技术[0002] 请参阅图I,现有的按键模组包括多个按键结构10,其中每一按键结构10包含一按键12、一凸字型底座14、一支撑件16、一抵持件20和一弹片22。 [0002] Referring to FIG I, a plurality of conventional key structure comprises a key module 10, wherein each key structure 10 includes a button 12, a convex-shaped base 14, a support member 16, a resisting member 20 and an elastic piece 22. 该凸字型底座14上具有一凸部。 The base 14 has a convex-shaped protrusion. 该抵持件20设置在该弹片22与该底座14间,该底座14是用以承载配置于其上的按键12,当使用者按压该按键12时,该抵持件20用以集中使用者施加于该底座14的力量,并进一步下压该弹片22。 The resisting member 20 of the elastic piece 22 is provided with the base 14, the base 14 is configured for carrying thereon the key 12, when the user presses the button 12, the resisting member 20 for centralized user force applied to the chassis 14, and further depression of the resilient piece 22. [0003] 当该按键结构10应用于电子装置(图未示)如移动电话、个人数位助理时,该按键结构10是固定于该电子装置的一电路板上,并使所述弹片22与该电路板上的开关单元对应设置。 [0003] When the button structure 10 is applied to an electronic device (not shown) such as mobile phones, personal digital assistants, the key structure 10 is secured to a circuit board of the electronic device, and the leaf spring 22 and the switching means provided corresponding to the circuit board. [0004] 然而,为了提供该按键结构10更佳的操作,现有的按键结构10于该底座14的两端各设置硬度较该底座14强的支撑件16,当使用者施加力量于该底座14而导致该底座14 产生形变时,该支撑件16此时则会发挥支撑该按键12的功能,而该支撑件16到该按键12 的垂直距离则为该按键12的作动空间18。 [0004] However, the key structure in order to provide better operation 10, the conventional key structure 10 is provided at both ends of each of stronger hardness than the base 14 of the support member 16 of the chassis 14, when the user applies force to the base 14 and causes the base 14 is deformed, the support member 16 at this time will support the function key 12, while the support member 16 to the vertical distance of the keys 12 of the key actuation, compared with 12 of space 18. 该作动空间18需要一定的高度,以实现对弹片22的操作。 The actuation space 18 requires a certain height, so as to realize the operation of the elastic piece 22. 由上可知,为了提供该按键12的作动空间18,现有的按键结构10必须采用该凸型底座14,然而为了使按键12具有更好的操作又需于该凸型底座14的两侧配置支撑件16,由于支撑件的存在,其占用了作动空间18的一定空间,为了提供所需的作动空间,凸型底座14的凸部需再增加一定高度,该按键结构10的整体厚度也因此无法缩小。 From the above, in order to provide the actuation button 18 of the space 12, the conventional key structure necessary to combine the convex 10 of the chassis 14, but in order to make the operation key 12 and the need for better to the convex sides of the chassis 14 configuration support 16, due to the presence of the support member, the actuating space which occupies a certain space 18, to provide the desired actuation space, the convex portion 14 of the male base should be subject to a certain height increases, the integral key structure 10 The thickness and therefore can not be reduced. 从而,采用该按键结构10的电子装置也无法满足现今对电子装置轻和薄的要求。 Therefore, the key structure using the electronic device 10 can not meet today's requirements for light and thin electronic device. 发明内容[0005] 鉴于以上缺点,有必要提供一种可降低厚度的按键模组。 SUMMARY [0005] In view of the above disadvantages, it is necessary to provide a reduced thickness of the key module. [0006] 另,还有必要提供一种应用上述按键模组的电子装置。 [0006] Also, there is a need to provide an electronic key device according to the application module. [0007] 一种按键模组,该按键模组至少包括一按键,该按键包含一键帽、一底座、一支撑件、一抵持件及一弹片,该底座包含一受压部和一与该受压部相连的承载部,其中该键帽是设置在该受压部上,该支撑件设置在该底座的承载部朝向键帽的一侧,以便于该键帽受压时用以支撑该键帽,该抵持件设置在该受压部与弹片间以使该弹片电连接至一电路板,所述底座还包括一连接部,所述承载部通过所述连接部以一倾斜角度与所述受压部相连,进而在所述键帽与支撑件之间形成一作动空间,以供该键帽于受压时于该作动空间内向下移动,通过调整所述连接部与所述受压部和所述承载部之间的夹角,进而调整所述作动空间的大小。 [0007] A key module, the key module comprises at least one key, the key comprises a keycap, a base, a support member, a resisting member and a elastic piece, which comprises a base and a pressure-receiving portion and carrier portion connected to the pressure-receiving portion, wherein the key cap is disposed on the pressure receiving portion, the support member is provided at a side portion of the carrier base toward the key cap, in order to support the key top when pressed the keycap, the resisting member is provided so that the elastic piece is electrically connected between the pressure-receiving portion and the elastic piece to a circuit board, said base further comprising a connecting portion, said bearing portion through said connecting portion at an inclination angle and the pressure receiving portion is connected, thereby forming a space between the actuator and the key top support member, for moving at the keycap within that space at the time of actuation pressure, the connecting portion by adjusting the said angle between the pressure-receiving portion and the bearing portion, so as to adjust for the size of the movable space. [0008] 一种电子装置,其包括一电路板和一按键模组,该电路板上设置有多个开关单元, 该按键模组至少包括一按键,该按键包含一键帽、一底座、一支撑件、一抵持件及一弹片,其特征在于:该底座包含一受压部和一与该受压部相连的承载部,其中该键帽是设置在该受压部上,该支撑件设置在该底座的承载部朝向键帽的一侧,以便于该键帽受压时用以支撑该键帽,该抵持件设置在该受压部与弹片间以使该弹片开启该电路板上对应的开关单元, 所述底座还包括一连接部,所述承载部通过所述连接部以一倾斜角度与所述受压部相连, 进而在所述键帽与支撑件之间形成一作动空间,以供该键帽于受压时于该作动空间内向下移动,通过调整所述连接部与所述受压部和所述承载部之间的夹角,进而调整所述作动空间的大小。 [0008] An electronic device comprising a key and a circuit board module, the circuit board is provided with a plurality of switching units, the key module comprises at least one key, the key comprises a keycap, a base, a a support member, a resisting member, and an elastic piece, wherein: the base comprises a pressure receiving portion and a carrier portion connected to the pressure-receiving portion, wherein the key cap is disposed on the pressure receiving portion, the support member bearing portion provided on the side facing the key top of the base in order to support the key top at the time of the pressed key top, the resisting member is provided so that the dome opening between the circuit board and the pressure receiving portion shrapnel the corresponding switching unit, said base further comprising a connecting portion, said bearing portion through said connecting portion is connected to the pressure receiving portion is inclined at an angle, thereby forming an actuator between the keycap and the support member space for movement within the key cap at the actuation pressure space at the time, by adjusting the angle between the connecting portion and the pressed portion and the carrier portion, so as to adjust the actuation space the size of. [0009] 本发明利用底座的受压部和承载部的高度差异,将支撑件设置在该承载部上,充分利用按键间本来就需要的空隙来配置该等组件,有效降低该按键模组和应用该按键模组的电子装置的整体厚度。 [0009] The height difference between the pressure receiving portion and the carrier portion of the present invention using the base, the support member is disposed on the carrier portion would take advantage of the gaps between the keys need to configure those components, and reduce the key module application of the key module of the overall thickness of the electronic device. 附图说明[0010] 图I是现有的按键模组的示意图;[0011] 图2是本发明较佳实施方式的按键模组的示意图。 BRIEF DESCRIPTION [0010] FIG. I is a schematic view of a conventional keypad module; [0011] FIG. 2 is a schematic diagram of the key module of the preferred embodiment of the present invention. 具体实施方式[0012] 本发明较佳实施方式的按键模组以应用在移动电话为例加以说明。 DETAILED DESCRIPTION key module [0012] preferred embodiment of the present invention is applied to a mobile phone will be described as an example. 该按键模组包括多个按键30,请参阅图2所示,每一按键30包含:一键帽32、一底座34、一支撑件36、一抵持件40和一弹片42。 The key module includes a plurality of keys 30, see FIG. 2, each key 30 comprises: a keycap 32, a base 34, a support member 36, a resisting member 40 and an elastic piece 42. [0013] 该键帽32包括一第一表面32a和一与其相对的第二表面32b,其中该第一表面32a是使用该按键时的按压面,而该第二表面32b是朝向该底座34的表面。 [0013] The key cap 32 includes a first surface 32a and a second surface 32b opposite thereto, wherein the first pressing surface 32a is used when the button surface, and the second surface 32b of the base 34 toward the surface. 在本实施方式中,该键帽32的表面大致呈矩形,但在其它实施方式中,则可有不同的形状。 In the present embodiment, the surface of the key top 32 is substantially rectangular, in other embodiments, may have different shapes. [0014] 该底座34包含一受压部341、一承载部342和一连接部343。 [0014] The base 34 comprises a pressure receiving portion 341, a carrying portion 342 and a connecting portion 343. 该承载部342是通过该连接部343以一定倾斜角度与该受压部341相连,其中该受压部341用以承载该键帽32,而该承载部342设置在一电路板44上。 The bearing portion 342 via the connecting portion 343 at an angle of inclination 341 is connected to the pressure-receiving portion, wherein the pressure receiving portion 341 for supporting the key top 32, while the supporting portion 342 is provided on a circuit board 44. [0015] 该受压部341包括一第一表面341a和一与该第一表面341a相对的第二表面341b,其中该第一表面341a与该键帽32的第二表面32b相邻。 [0015] The pressure receiving portion 341 includes a first surface 341a and a second surface opposite the first surface 341a 341b, wherein the first surface 341a adjacent to the second surface 32b of the key top 32. 在本实施方式中,该第一表面341a是通过一胶层46与该键帽32的第二表面32b接合。 In the present embodiment, the first surface 341a is engaged with the second surface 32b of the key cap 32 by an adhesive layer 46. 而该受压部341的第二表面341b与该抵持件40接合。 And 341b engage with the resisting member 40 of the second pressure receiving surface portion 341. [0016] 该承载部342包含一第一表面342a和一第二表面342b,其中该第二表面342b是直接与该电路板44接合。 [0016] The bearing portion 342 comprises a first surface 342a and a second surface 342b, wherein the second surface 342b is directly engaged with the circuit board 44. [0017] 该连接部343与该承载部342和该受压部341之间的夹角大约为120度。 [0017] The connecting portion 343 and the angle between the supporting portion 342 and the pressure receiving portion 341 is about 120 degrees. 可以理解的是,该连接部343与该受压部341和该承载部342的夹角可依所需要的作动空间38而调整。 It will be appreciated that the connecting portion 343 to adjust the pressure receiving portion 341 and the carrying portion 342 may vary depending on the angle required actuation space 38. [0018] 该支撑件36设置在该底座34的承载部342的第一表面342a,其中一作动空间38 形成于该支撑件36与该键帽32之间,以供该键帽32在受压时,该键帽32可在该作动空间38内向下移动。 [0018] The support member 36 is provided on a first surface 342a of the base portion 34 of the carrier 342, wherein the actuating a space 38 is formed between the support member 36 and the key cap 32, for the keycap 32 is pressed when the keycap 32 can be moved within the case 38 in the actuation space. [0019] 该抵持件40设置在该底座34的受压部341与该弹片42之间,其中该抵持件40的上表面与该受压部341的第二表面341b是通过如粘胶粘接或双面胶粘接的方式接合。 [0019] The resisting member 40 disposed between the pressure receiving portion 341 of the base 34 and the elastic piece 42, wherein the second surface of the resisting member 40 and the upper surface of the pressure receiving portion 341 by such as viscose 341b an adhesive or double-sided adhesive joining contact manner. 在其它实施方式中,该抵持件40可设计为与底座34—体成形。 In other embodiments, the resisting member 40 and the base may be designed as a shaped body 34-. 此外,在本实施方式中,该抵持件40是由一大致矩形的塑料件制成,但在其它实施方式中,则可有不同的形状。 In the present embodiment, the abutting member 40 is made from a generally rectangular piece of plastic, but in other embodiments, may have different shapes. [0020] 该抵持件40的尺寸是小于该键帽32,因此,当键帽32受外力向下按压时,该抵持件40可将所受外力集中,以进一步向下推压设置在其下方的弹片42。 [0020] The resisting member 40 is smaller than the size of the key cap 32, Thus, when the keycap 32 is pressed down by an external force, the resisting member 40 may concentrate the external force to press down further provided 42 shrapnel below it. [0021] 该弹片42是具有一定弹性的金属弹片,其如不锈钢,铜等金属制成,其对应于该电路板44上的开关单元而配置,当该键帽32受压时,该底座的受压部34和该抵持件40进一步压迫该弹片42以开启该电路板44上对应的开关单元。 [0021] The elastic piece 42 is a metal spring having a certain elasticity, which is made of such as stainless steel, copper and other metals, which corresponds to the switch unit on the circuit board 44 is disposed, when the pressed key top 32, the base pressure receiving portion 34 and the resisting member 40 further compression of the resilient piece 42 to turn on the switching unit 44 corresponding to the circuit board. [0022] 当该按键模组应用于电子装置(图未示)如移动电话、个人数位助理时,将该按键模组固定在该电子装置的电路板44上,并使所述金属弹片42与该电路板44上的开关单元(图未示)对应设置。 [0022] The keypad module when applied to an electronic device (not shown) such as mobile phones, personal digital assistants, the key module is fixed on the circuit board of the electronic device 44, and the metal dome 42 and the switching unit 44 on the circuit board (not shown) provided corresponding. [0023] 使用该按键模组时,按图2箭头所示方向按压该按键30的键帽32,该键帽32进一步带动其对应的受压部341推顶该抵持件40,从而使该抵持件40按压对应的所述金属弹片42,最终实现该电路板44上的开关单元开启或关闭。 [0023] When using the keypad module, as shown in Figure 2 the direction of the arrow 30 presses the keycap of the key 32, the key top 32 is further driven by the corresponding pressure-receiving portions 341 push against the holding member 40, so that the resisting the pressing member 40 corresponding to the metal dome 42, and ultimately the switch unit on the circuit board 44 on or off. 也就是说,当依图2箭头所示方向按压该按键30时,与该按键30相对应的所述弹片42将按如图2箭头所示方向发生弹性变形。 That is, the elastic deformation when the key is pressed in the direction shown by arrow 30 in FIG. 2, with the key 30 corresponding to the leaf spring 42 will occur as shown in the direction of arrow 2. [0024] 根据本发明的按键模组和应用本发明的按键模组的电子装置,具有以下优点,SP, 利用底座34的受压部341和承载部342的高度差异,将支撑件36设置在该承载部342上, 不仅可提供所需的作动空间,同时又可避免该支撑件36占用该作动空间,充分利用按键30 间本来就需要的空隙来配置该等组件,如此一来就可实现降低该按键模组和应用该按键模组的电子装置的整体厚度。 [0024] The key module of the electronic device module of the present invention and the key application of the present invention, has the advantage, SP, using the difference in height of the pressure receiving portion 34 of the base portion 341 and the carrier 342, the support member 36 is provided the upper bearing portion 342, not only provides the required actuation space, while avoiding the support member 36 occupies the actuation space, full use of the key 30 would need to void configure such components, would result the key module can be reduced and the overall thickness of the application key module of the electronic device.

Claims (8)

1. 一种按键模组,该按键模组至少包括一按键,该按键包含一键帽、一底座、一支撑件、一抵持件及一弹片,其特征在于:该底座包含一受压部和一与该受压部相连的承载部,其中该键帽是设置在该受压部上;该支撑件设置在该底座的承载部朝向键帽的一侧,以便于该键帽受压时用以支撑该键帽;该抵持件设置在该受压部与弹片间以使该弹片电连接至一电路板,所述底座还包括一连接部,所述承载部通过所述连接部以一倾斜角度与所述受压部相连,进而在所述键帽与支撑件之间形成一作动空间,以供该键帽于受压时于该作动空间内向下移动,通过调整所述连接部与所述受压部和所述承载部之间的夹角,进而调整所述作动空间的大小。 A key module, the key module comprises at least one key, the key comprises a keycap, a base, a support member, a resisting member, and an elastic piece, wherein: the base comprises a pressure receiving portion and a carrier portion connected to the pressure-receiving portion, wherein the key cap is disposed on the pressure receiving portion; a support member disposed at one side of the carrier facing the base portion of the key cap, so that when the pressure keycap for supporting the key top; the resisting member is provided between the pressure-receiving portion and the elastic piece so that the elastic piece is electrically connected to a circuit board, said base further comprising a connecting portion, said bearing portion through said connecting portion a tilt angle of the pressure receiving portion is connected to, thereby forming a space between the actuator and the key cap support member for the key top to move up when the pressure in the space within the actuator, by adjusting the connection the angle between the pressure-receiving portion and a portion of the carrier portion, so as to adjust for the size of the movable space.
2.如权利要求I所述的按键模组,其特征在于:该承载部设置在该电路板上。 I key module according to claim 2, wherein: the supporting portion is provided on the circuit board.
3.如权利要求I所述的按键模组,其特征在于:该受压部包括一第一表面和一与该第一表面相对的第二表面,该第一表面与该键帽是通过一胶层接合,而该第二表面与该抵持件接合。 3. The key module as claimed in claim I, wherein: the pressure receiving portion comprises a first surface and a second surface to the first surface opposite the first surface and the key top by a glue joining, and the second contact surface and the engaging member holder.
4.如权利要求I所述的按键模组,其特征在于:该抵持件与该底座的接合方式为粘胶粘接、双面胶粘接或一体成型中的任一种。 4. The key module as claimed in claim I, wherein: the contact holding member is any one of an adhesive glue, double-sided adhesive integrally formed with engagement of the base or in connection.
5.如权利要求I所述的按键模组,其特征在于:该支撑件与该底座的接合方式为粘胶粘接或双面胶粘接。 The key module as claimed in claim I, wherein: the support member and engagement of the base contact adhesive is an adhesive or a double-sided adhesive.
6. 一种电子装置,其包括一电路板和一按键模组,该电路板上设置有多个开关单元,该按键模组至少包括一按键,该按键包含一键帽、一底座、一支撑件、一抵持件及一弹片,其特征在于:该底座包含一受压部和一与该受压部相连的承载部,其中该键帽是设置在该受压部上;该支撑件设置在该底座的承载部朝向键帽的一侧,以便于该键帽受压时用以支撑该键帽;该抵持件设置在该受压部与弹片间以使该弹片开启该电路板上对应的开关单元;所述底座还包括一连接部,所述承载部通过所述连接部以一倾斜角度与所述受压部相连,进而在所述键帽与支撑件之间形成一作动空间,以供该键帽于受压时于该作动空间内向下移动,通过调整所述连接部与所述受压部和所述承载部之间的夹角,进而调整所述作动空间的大小。 An electronic device, which includes a circuit board and a key module, the circuit board is provided with a plurality of switching units, the key module comprises at least one key, the key comprises a keycap, a base, a support member, a resisting member, and an elastic piece, wherein: the base comprises a pressure receiving portion and a carrier portion connected to the pressure-receiving portion, wherein the key cap is disposed on the pressure receiving portion; the support member is provided in the carrier toward one side of the base portion of the key cap, in order to support the key top at the time of the pressed key top; the resisting member is provided between the pressure-receiving portion of the dome with the dome opening such that the circuit board corresponding switching means; said base further includes a connecting portion, the carrier portion through the connecting portion is connected to the pressure receiving portion is inclined at an angle, thereby forming a space between the actuator and the support member keycap , for the pressed key top at the time of actuation to move up within the space, the connecting portion and the angle between the pressure-receiving portion and by adjusting the carrier portion, so as to adjust the actuation space size.
7.如权利要求6所述的电子装置,其特征在于:该承载部是设置在该电路板上。 The electronic device according to claim 6, wherein: the supporting portion is provided on the circuit board.
8.如权利要求6所述的电子装置,其特征在于:该受压部包括一第一表面和一与该第一表面相对的第二表面,该第一表面与该键帽是通过一胶层接合,而该第二表面与该抵持件接合。 The electronic device according to claim 6, wherein: the pressure receiving portion comprises a first surface and a second surface opposite the first surface, the first surface and the key top by a rubber layer is bonded, and the second contact surface and the engaging member holder.
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