WO2013044586A1 - 电子设备的按钮 - Google Patents

电子设备的按钮 Download PDF

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Publication number
WO2013044586A1
WO2013044586A1 PCT/CN2012/001209 CN2012001209W WO2013044586A1 WO 2013044586 A1 WO2013044586 A1 WO 2013044586A1 CN 2012001209 W CN2012001209 W CN 2012001209W WO 2013044586 A1 WO2013044586 A1 WO 2013044586A1
Authority
WO
WIPO (PCT)
Prior art keywords
button
hole
electronic device
shaft portion
outer casing
Prior art date
Application number
PCT/CN2012/001209
Other languages
English (en)
French (fr)
Inventor
张楠
水江孝仁
Original Assignee
欧姆龙株式会社
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 欧姆龙株式会社 filed Critical 欧姆龙株式会社
Priority to KR1020137020406A priority Critical patent/KR20130121145A/ko
Priority to CN201290000286.8U priority patent/CN203617181U/zh
Publication of WO2013044586A1 publication Critical patent/WO2013044586A1/zh

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Classifications

    • 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
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings

Definitions

  • the invention relates to a button for an electronic device. Background technique
  • buttons of existing electronic devices were mainly divided into two categories, namely a film button and a rubber button.
  • the film button is integrally formed, the shape is not variable, the parts of the button cannot be shared, and the film must be matched with the film to be waterproof, so the production cost is high.
  • the rubber button the operator has no sound feedback and no feel when operating. Summary of the invention
  • the present invention has been made in view of the above problems, and an object thereof is to provide a button for an electronic device which can be waterproofed by a simple structure and which improves an operator's operation feeling and component commonality.
  • a button of an electronic device includes: a housing having a first through hole formed in a sidewall of the housing; and a button switch disposed in the same manner as the first through hole a first button having: a base portion formed with a hollow portion bonded to an outer surface of a side wall of the outer casing; and a receiving portion protruding outward from the base portion and protruding in a center direction of the hollow portion,
  • the receiving portion is elastically deformable in an inner and outer direction, and has a second through hole corresponding to the first through hole at a center of the receiving portion;
  • a second button is engaged with the receiving portion, and the second button has a head And a shaft portion extending inward from the head, the shaft portion being inserted into the first through hole, the second through hole, and a top end of the shaft portion being in contact with or separated from the push button switch, second When the button is not pressed, the inner side surface of the head of the second button is away from the outer surface of the
  • a groove portion surrounding the shaft portion is formed near the shaft portion in the inner side surface of the head portion, and the outer side of the receiving portion The end portion is compressively embedded in the groove portion.
  • the technical solution of the present invention is the button of the electronic device according to claim 2, when the second button is not pressed,
  • the distance from the inner side surface of the head to the outer side surface of the base is greater than or equal to the sum of the distance from the top end of the shaft portion to the push button switch and the stroke of the push button switch.
  • the inner surface of the hole wall of the receiving portion is formed around the shaft portion and protrudes into the second through hole.
  • the protruding portion is compressed to abut against the circumferential surface of the shaft portion.
  • the base portion is bonded and fixed to the base portion by a double-sided tape sandwiched between the side wall of the outer casing and the outer side of the outer casing. On the outer surface of the side wall of the outer casing.
  • the invention of claim 6 is the button of the electronic device of claim 5, wherein the first button is made of an elastic material.
  • the elastic material is rubber.
  • the invention of claim 8 is the button of the electronic device according to claim 5, wherein the second button is made of a resin.
  • the invention of claim 9 is the button of the electronic device according to claim 1, wherein the electronic device is a temperature controller.
  • the present invention adopts the above-described technical solution, it is possible to waterproof by a simple structure, improve the commonality of parts, reduce the cost of production, achieve a good hand feeling during operation, and accurately and stably press a button.
  • the switch is opened and closed.
  • FIG. 1 is an exploded perspective view of a button and a panel of an electronic device according to an embodiment of the present invention.
  • FIG. 2 is an external view of a button of an electronic device according to the embodiment of the present invention assembled on a panel.
  • FIG 3 is a cross-sectional view showing a button of an electronic device according to the embodiment of the present invention assembled on a panel.
  • FIG. 1 is an exploded perspective view of a button and a panel of an electronic device.
  • Fig. 2 is an external view of the button of the electronic device assembled on the panel.
  • Figure 3 is a cross-sectional view of the button of the electronic device assembled on the panel.
  • the electronic device in the present embodiment is a temperature controller.
  • “inside” refers to the upper right in Figs. 1, 2, and the right in Fig. 3, and “outside” refers to the lower left in Figs. 1, 2, and the left in Fig. 3.
  • the button 1 of the temperature controller includes: a casing 2; a button switch 3 mounted on the inner side of the casing 2; a first button 4 mounted on the outer side of the casing 2; mounted on the outer side of the first button 4
  • the second button 5 is.
  • the panel 10 is located outside the second button 5.
  • a first through hole 21 is formed in the side wall of the outer casing 2.
  • the hole wall of the first through hole 21 protrudes toward the inner side of the outer casing 2 to form a guide portion 22.
  • the thickness of the guide portion 22 is larger than the thickness of other portions of the side wall of the outer casing 2.
  • the push button switch 3 is disposed inside the outer casing 2 corresponding to the first through hole 21.
  • the first button 4 has a base portion 41 formed with a hollow portion 42 having a circular hollow square therein.
  • a double-sided tape 6 is disposed between the inner surface of the base portion 41 and the outer surface of the side wall of the outer casing 2, and the double-sided tape 6 has the same shape and size as the inner surface of the base portion 41, and has a circular hollow inside. Square.
  • the base 41 is bonded and fixed to the outer surface of the side wall of the outer casing 2 by the double-sided tape 6.
  • the first button 4 further has a receiving portion 43, which receives the outer side of the base portion 41 and protrudes from the center of the hollow portion 42.
  • the receiving portion 43 has a circular shape as viewed from the outside, and has a second through hole 44 corresponding to the first through hole 21 at the center of the receiving portion 43. That is, the first through hole 21 is in communication with the second through hole 44.
  • the receiving portion 43 is elastically deformable in the inner and outer directions.
  • a protruding portion 45 that protrudes into the second through hole 44 is formed in the hole wall of the receiving portion 43.
  • the projections 45 are disposed along the entire circumference of the wall of the hole and extend a certain distance in the inner and outer directions.
  • the first button 4 as a whole may be made of an elastic material such as rubber.
  • the second button 5 is fitted to the receiving portion 43 of the first button 4.
  • the second button 5 has a head 51 that passes through a through hole in the panel 10 and protrudes to the outside of the panel 10 for the operator to press. Further, a flange portion 55 extending to the periphery is formed on the inner peripheral surface of the head portion 51.
  • the second button 5 further has a shaft portion 52 extending inwardly from the head portion 51. The shaft portion 52 is inserted into the first through hole 21 and the second through hole 44 and the top end of the shaft portion 52 can be in contact with the button switch 3 or Separation.
  • the second button 5 is made of resin. When the second button 5 is not pressed, the inner side surface of the head 51 of the second button 5 is separated from the outer side surface of the base portion 41 of the first button 4 by a certain distance.
  • An annular groove portion 53 is formed in the inner side surface of the head portion 51 near the shaft portion 52.
  • the outer end portion of the receiving portion 43 is compression-fitted into the groove portion 53 to engage the second button 5 with the receiving portion 43 of the first button 4.
  • an inner surface of the hole wall of the receiving portion 43 is formed around the shaft portion 52 with a protruding portion 45 that protrudes into the second through hole 44, that is, the entire circumference of the protruding portion 45 in the hole of the second through hole 44.
  • the protruding portion 45 is in compression contact with the circumferential surface of the shaft portion 52.
  • the tip end of the shaft portion 52 is separated from the key switch 3 by a certain distance, and the distance from the inner side surface of the head portion 51 to the outer side surface of the base portion 41 is greater than or equal to the top end of the shaft portion 52.
  • the head portion 51 drives the shaft portion 52 to move in the direction of the push button switch 3 against the elastic force of the receiving portion 43.
  • the shaft portion 52 is guided by the guide portion 22, accurately moved to the push button switch 3, and contacts and pushes the push button switch 3.
  • the head 51 is moved by a certain distance in the direction of the push switch 3 to reach the base 41, the head 51 abuts against the base 41, and the base 41 restricts the head 51 from moving further in the direction of the push switch 3.
  • the receiving portion 43 elastically returns to the state before the pressing, and the head portion 51 and the shaft portion 52 are also moved to the outside.
  • the flange portion 55 of the head portion 51 is moved to the inner side surface of the panel 10, the flange portion 55 abuts against the inner side surface of the panel 10, and the inner side surface of the panel 10 restricts the head portion 51 from moving further outward.
  • the button 1 is applied to the temperature controller, but the present invention is not limited thereto, and may be applied to other types of electronic devices such as controllers and detectors.
  • the base portion 41 has a circular hollow square shape
  • the receiving portion 43 and the groove portion 53 have a circular shape
  • the present invention is not limited thereto, and the base portion 41, the receiving portion 43, and the groove portion 53 may have other shapes, for example, the base portion 41 is a circular ring shape, and the receiving portion 43, the groove portion 53 is a hollow square shape, a hollow triangle shape, or the like.
  • the groove portion 53 may be formed in a shape that can be formed around the shaft portion 52.
  • a double-sided tape 6 is disposed between the inner surface of the base portion 41 and the outer surface of the side wall of the outer casing 2, and the double-sided tape 6 is completely identical in shape and size to the inner surface of the base portion 41.
  • the present invention is not limited thereto, and any shape and size may be employed as long as the double-sided tape 6 is formed to surround the hollow portion 42 to prevent moisture from entering between the base portion 41 and the side wall of the outer casing 2 into the first through hole 21.
  • the inner surface of the base portion 41 and the outer surface of the side wall of the outer casing 2 may be fixed together without using the double-sided tape 6, and may be fixed by another bonding method such as an adhesive.
  • the tip end of the receiving portion 43 is compression-fitted into the groove portion 53, and the inner surface of the hole wall of the receiving portion 43 surrounds the shaft portion 52.
  • a protruding portion 45 that protrudes into the second through hole 44 is formed, and the protruding portion 45 is compressed to abut against the circumferential surface of the shaft portion 52.
  • the present invention is not limited thereto, and the groove portion 53 may be formed only on the inner side surface of the head portion 51, and the top end of the receiving portion 43 may be press-fitted into the groove portion 53 to realize the receiving of the second button 5 and the first button 4.
  • a projection 45 that protrudes into the second through hole 44 is formed around the shaft portion 52, and the projection 45 is compressedly abutted against the circumferential surface of the shaft portion 52.
  • the fitting of the second button 5 and the receiving portion 43 of the first button 4 may be achieved by other means.
  • the flange portion 55 that protrudes to the periphery is not formed on the inner circumferential surface of the head portion 51.
  • a concave portion around the entire circumference of the head portion 51 is formed, and a projection for fitting the concave portion is formed correspondingly on the receiving portion 43, that is, by making the projection on the receiving portion 43 and the inner side of the head portion 51
  • the upper recess is fitted to engage the second button 5 and the receiving portion 43 of the first button 4.
  • the function of the flange portion 55 is also achieved by the portion of the projection that is not embedded in the recess, that is, when the head portion 51 is no longer subjected to the pressing force of the operator, the portion of the projection is brought into contact with the inner side surface of the panel 10. , restricting the movement of the head 51 further to the outside.
  • the hole wall of the first through hole 21 of the outer casing 2 protrudes toward the inner side of the outer casing 2, and a guide portion 22 for guiding the shaft portion 52 is formed.
  • a guide portion for guiding the shaft portion 52 may be formed by projecting the hole wall of the first through hole 21 of the outer casing 2 toward the outer side of the outer casing 2.
  • the base portion 41 of the first button 4 is adhesively fixed to the outer surface of the side wall of the outer casing 2, and the second button 5 is fitted into the receiving portion 43 of the first button 4, so that moisture enters the inside of the button 1 At the time, whether the flow from the head portion 51 of the second button 5 to the inside along the shaft portion 52 or the flow from the base portion 41 of the second button 4 to the side wall of the base portion 41 and the outer casing 2 can be prevented. Therefore, it is possible to achieve waterproofing with a relatively simple structure.
  • the key switch 3 is opened and closed by the second button 5 pressed by the operator and the first button 4 which is elastically deformable in the inner and outer directions, as shown in FIG. 4, when the shape of the button 1 is to be changed
  • the first button 4 it is not necessary to change the first button 4, as long as the shape and size of the second button 5 are changed. Therefore, the first button 4 can be shared, thereby reducing the manufacturing cost.
  • a groove portion 53 surrounding the shaft portion 52 is formed near the shaft portion 52 in the inner side surface of the head portion 51, and the outer end portion of the receiving portion 43 is compression-fitted into the groove portion 53 to realize The second button 5 is fitted to the receiving portion 43 of the first button 4. Thereby, it is possible to better prevent moisture from entering the inside of the casing 2 from the head portion 51 of the second button 5 along the shaft portion 52.
  • the inner surface of the hole wall of the receiving portion 43 is formed with a protruding portion 45 projecting into the second through hole 44 around the shaft portion 52, and the protruding portion 45 is compressed to abut against the circumferential surface of the shaft portion 52. Pick up. Thereby, it is possible to better prevent moisture from entering the inside of the outer casing 2 from between the base portion 41 of the first button 4 and the side wall of the outer casing 2.
  • the distance from the inner side surface of the head portion 51 to the outer side surface of the base portion 41 is greater than or equal to the sum of the distance from the top end of the shaft portion 52 to the push button switch 3 and the stroke of the push button switch 3. .
  • the inner side surface of the head portion 51 of the second button 5 is separated from the outer side surface of the base portion 41 of the first button 4 by a certain distance, and the first through hole 21 of the outer casing 2 is The hole wall protrudes toward the inner side of the outer casing 2, and a guide portion 22 that guides the shaft portion 52 is formed.
  • the tip end of the shaft portion 52 can be more accurately brought into contact with the push button switch 3, the button switch 3 can be more stably opened and closed, and the operator's operation feeling can be improved.
  • the base 41 is adhesively fixed to the outer surface of the side wall of the outer casing 2 by a double-sided tape 6 sandwiched between the side walls of the outer casing 2 and the hollow portion 42. Thereby, moisture can be prevented from entering the inside of the outer casing 2 from between the base portion 41 of the first button 4 and the side wall of the outer casing 2 by a simple structure.
  • the second button 5 is made of resin, whereby the feeling of the operator can be improved.

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  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

一种电子设备的按钮（1），包括：外壳（2），在外壳侧壁上形成有第一通孔（21）；按键开关（3），与第一通孔对应地设置在外壳的内侧；第一按键（4），具有：形成有中空部（42）的基部（41），粘接固定在外壳的侧壁的外表面上；和承接部（43），从该基部向外侧且中空部的中心方向突出，该承接部可在内外方向上弹性变形，在该承接部的中心具有与第一通孔对应的第二通孔（44）；以及第二按键（5），与承接部嵌合，该第二按键具有头部和从该头部向内侧延伸的轴部（52），该轴部插入第一通孔、第二通孔内并且轴部的顶端可与按键开关接触或分离。该按钮能够通过简单的结构进行防水，且提高了操作者的操作手感和零件的共用性。

Description

说 明 书
电子设备的按钮 技术领域
本发明涉及一种电子设备的按钮。 背景技术
以往， 现有的电子设备的按钮主要分为两大类， 分别为薄膜按钮和橡胶按钮。 其中， 薄膜按钮为一体形成， 形状不可变， 按钮的各零件不能进行共用， 并且必须与薄膜配套才 能进行防水， 所以生产成本高。 而关于橡胶按钮， 操作人员在操作时， 没有声音的反馈， 也没有手感。 发明内容
本发明鉴于上述问题， 目的在于提供一种电子设备的按钮， 能够通过简单的结构进行 防水， 且提高了操作者的操作手感和零件的共用性。
本发明的技术方案 1为， 一种电子设备的按钮， 包括： 外壳， 在所述外壳的侧壁上形 成有第一通孔； 按键开关， 与所述第一通孔对应地设置在所述外壳的内侧； 第一按键， 具 有： 形成有中空部的基部， 粘接固定在所述外壳的侧壁的外表面上； 以及承接部， 从该基 部向外侧且中空部的中心方向突出， 该承接部可在内外方向上弹性变形， 在该承接部的中 心具有与所述第一通孔对应的第二通孔； 第二按键， 与所述承接部嵌合， 该第二按键具有 头部、 以及从该头部向内侧延伸的轴部， 该轴部插入所述第一通孔、 所述第二通孔内并且 所述轴部的顶端可与所述按键开关接触或分离， 第二按键未被按下时， 所述第二按键的头 部的内侧表面离开所述第一按键的基部的外侧表面一定的距离， 所述外壳的第一通孔的孔 壁向所述外壳的内侧突出， 形成对所述轴部进行导向的导向部。
本发明的技术方案 2为， 如技术方案 1所述的电子设备的按钮， 在所述头部的内侧表 面中的靠近轴部处形成有围绕轴部的凹槽部， 所述承接部的外侧端部被压缩地嵌入所述凹 槽部内。
本发明的技术方案 3为，如技术方案 2所述的电子设备的按钮，第二按键未被按下时， 所述头部的内侧表面到所述基部的外侧表面的距离大于等于所述轴部的顶端到所述按键 开关的距离和所述按键开关的行程之和。
本发明的技术方案 4为， 如技术方案 1-3所述的电子设备的按钮， 所述承接部的孔壁 的内表面上围绕所述轴部地形成有向所述第二通孔内突出的突出部， 该突出部被压缩地与 所述轴部的周面抵接。
本发明的技术方案 5为， 如技术方案 4所述的电子设备的按钮， 所述基部通过夹在其 与外壳的侧壁之间的、 围绕所述中空部的双面胶粘接固定在所述外壳的侧壁的外表面上。
本发明的技术方案 6为， 如技术方案 5所述的电子设备的按钮， 所述第一按键由弹性 材料制成。
本发明的技术方案 7为，如技术方案 6所述的电子设备的按钮，所述弹性材料为橡胶。 本发明的技术方案 8为， 如技术方案 5所述的电子设备的按钮， 所述第二按键由树脂 制成。
本发明的技术方案 9为， 如技术方案 1所述的电子设备的按钮， 所述电子设备为温度 控制器。
由于本发明采用了上述的技术方案， 所以能够通过简单的结构进行防水， 且提高了零 件的共用性， 降低了生产的成本， 实现了操作时良好的手感， 并且能够精确地、 稳定地对 按键开关进行开闭。 附图说明
图 1是本发明的一实施方式的电子设备的按钮和面板的分解立体图。
图 2是本发明的同实施方式的电子设备的按钮组装在面板上的外观图。
图 3是本发明的同实施方式的电子设备的按钮组装在面板上的剖面图。
图 4是使用本发明的同实施方式的电子设备的按钮的不同电子设备的外观图。 具体实施方式
参照附图， 对本发明的一实施形态进行说明。
图 1是电子设备的按钮和面板的分解立体图。 图 2是该电子设备的按钮组装在面板上 的外观图。 图 3是该电子设备的按钮组装在面板上的剖面图。
本实施方式中的电子设备为温度控制器。 在本发明的说明中， "内侧"是指图 1、 图 2 中的右上方、 图 3中的右方， "外侧"是指图 1、 图 2中的左下方、 图 3中的左方。 如图 1-3所示， 温度控制器的按钮 1包括： 外壳 2; 安装在外壳 2的内侧的按键开关 3； 安装在外壳 2的外侧的第一按键 4; 安装在第一按键 4的外侧的第二按键 5。 面板 10 位于第二按键 5的外侧。
在外壳 2的侧壁上形成有第一通孔 21。 第一通孔 21的孔壁向外壳 2的内侧突出， 形 成导向部 22。 导向部 22的厚度比外壳 2的侧壁的其他部分的厚度大。 按键开关 3与第一 通孔 21对应地设置在外壳 2的内侧。
第一按键 4具有形成有中空部 42的基部 41， 该基部 41呈内有圆形中空的方形。在该 基部 41的内侧表面和外壳 2的侧壁的外表面之间设置有双面胶 6， 该双面胶 6与基部 41 的内侧表面的形状、 大小完全一致， 也呈内有圆形中空的方形。 通过该双面胶 6， 基部 41 粘接固定在外壳 2的侧壁的外表面上.
第一按键 4还具有承接部 43， 该承接部 43从该基部 41向外侧且中空部 42的中心方 向突出。 从外侧看， 承接部 43呈圆环形， 在该承接部 43的中心具有与第一通孔 21对应 的第二通孔 44。 即， 第一通孔 21与第二通孔 44连通。 该承接部 43可在内外方向上弹性 变形。 在承接部 43的孔壁形成有向第二通孔 44内突出的突出部 45。 突出部 45沿孔壁的 整个周向设置， 且沿内外方向延伸一定的距离。 第一按键 4整体可以由弹性材料制成， 例 如橡胶。
第二按键 5与第一按键 4的承接部 43嵌合。该第二按键 5具有头部 51， 该头部 51穿 过面板 10上的通孔、 突出到面板 10的外面， 供操作者按压。 并且， 在头部 51的靠内侧 的周面形成有向四周延伸的凸缘部 55。 该第二按键 5还具有从该头部 51向内侧延伸的轴 部 52， 该轴部 52插入第一通孔 21、 第二通孔 44内并且轴部 52的顶端可与按键开关 3接 触或分离。 第二按键 5由树脂制成。 第二按键 5未被按下时， 第二按键 5的头部 51的内 侧表面离开第一按键 4的基部 41的外侧表面一定的距离。
在头部 51的内侧表面中的靠近轴部 52处形成有圆环形的凹槽部 53。 承接部 43的外 侧端部被压缩地嵌入凹槽部 53内， 以实现第二按键 5与第一按键 4的承接部 43的嵌合。 并且， 承接部 43的孔壁的内表面上围绕轴部 52地形成有向第二通孔 44内突出的突出部 45， 即该突出部 45遍布第二通孔 44的孔内的整个周长， 该突出部 45被压缩地与轴部 52 的周面抵接。
下面， 对按钮 1的动作过程进行说明。
当操作人员没有按压突出在面板 10外的头部 51时， 轴部 52的顶端离开按键开关 3 一定的距离， 头部 51的内侧表面到基部 41的外侧表面的距离大于等于轴部 52的顶端到 按键开关 3的这一距离和按键开关 3的行程之和。
当操作人员按压突出在面板 10外的头部 51时， 头部 51带动轴部 52—起克服承接部 43的弹力， 向按键开关 3的方向移动。 在移动的过程中， 轴部 52被导向部 22导向， 准确 地移动到按键开关 3， 并接触、 推压按键开关 3。 当头部 51向按键开关 3的方向移动了一 定的距离、 到达基部 41时， 头部 51与基部 41抵接， 基部 41限制了头部 51进一步向按 键开关 3的方向移动。
当头部 51不再受到操作人员的按压力时， 承接部 43向按压前的状态弹性回复， 并带 动头部 51和轴部 52也向外侧移动。 当头部 51的凸缘部 55移动到面板 10的内侧表面时， 凸缘部 55与面板 10的内侧表面抵接， 面板 10的内侧表面限制了头部 51进一步向外侧移 动。
上面， 对本发明的最佳实施形态进行了说明， 但本发明不限于所述实施形态。 关于具 体的结构， 在不脱离本发明的宗旨的范围内， 可进行适当的改变。
下面， 对本发明的变化例进行说明。
在上述实施方式中， 按钮 1应用在温度控制器中， 但本发明不限于此， 也可以应用在 其他的各类控制器、 检测器等电子设备中。
在上述实施方式中，基部 41呈内有圆形中空的方形，承接部 43、凹槽部 53呈圆环形。 但本发明不限于此， 基部 41、 承接部 43、 凹槽部 53也可以是其他形状， 例如基部 41为 圆环形， 承接部 43、 凹槽部 53为中空方形、 中空三角形等。 对于凹槽部 53， 只要是能够 形成为围绕轴部 52的形状即可。
在上述实施方式中， 在该基部 41的内侧表面和外壳 2的侧壁的外表面之间设置有双 面胶 6， 该双面胶 6与基部 41的内侧表面的形状、大小完全一致， 也呈内有圆形中空的方 形。 但本发明不限于此， 只要双面胶 6形成为围绕中空部 42、 防止水分从基部 41和外壳 2的侧壁之间进入第一通孔 21内， 任何形状、 大小都可以。 并且， 基部 41的内侧表面和 外壳 2的侧壁的外表面也可以不用双面胶 6固定在一起， 而利用粘接剂等其他的粘接方法 进行固定。
在上述实施方式中， 通过在头部 51的内侧表面形成凹槽部 53， 使承接部 43的顶端压 缩地嵌入凹槽部 53内， 承接部 43的孔壁的内表面上围绕轴部 52地形成有向第二通孔 44 内突出的突出部 45， 该突出部 45被压缩地与轴部 52的周面抵接。但本发明不限于此， 也 可以只在头部 51的内侧表面形成凹槽部 53， 使承接部 43的顶端压缩地嵌入凹槽部 53内 从而实现第二按键 5与第一按键 4的承接部 43的嵌合， 或者只在承接部 43的孔壁的内表 面上围绕轴部 52地形成向第二通孔 44内突出的突出部 45， 该突出部 45被压缩地与轴部 52的周面抵接。 当然， 也可以通过其他的方式来实现第二按键 5与第一按键 4的承接部 43的嵌合， 例如， 在头部 51的靠内侧的周面不形成向四周突出的凸缘部 55， 取而代之形 成绕头部 51的全周的凹部， 并且在承接部 43上相应地形成有用于嵌入该凹部的突部， 即 通过使承接部 43上的突部与头部 51的靠内侧的周面上的凹部嵌合， 来实现第二按键 5与 第一按键 4的承接部 43的嵌合。 同时也利用突部的未嵌入凹部的部分来实现凸缘部 55的 功能， 即在头部 51不再受到操作人员的按压力时， 通过使突部的该部分与面板 10的内侧 表面抵接， 限制头部 51进一步向外侧的移动。
在上述实施方式中， 外壳 2的第一通孔 21的孔壁向外壳 2的内侧突出， 形成对轴部 52进行导向的导向部 22。 但本发明不限于此， 也可以通过使外壳 2的第一通孔 21的孔壁 向外壳 2的外侧突出， 形成对轴部 52进行导向的导向部。
下面， 对本发明的效果进行说明。
在本发明中， 第一按键 4的基部 41粘接固定在外壳 2的侧壁的外表面上， 并且第二 按键 5与第一按键 4的承接部 43嵌合， 所以当水分进入按钮 1内部时， 不管是从第二按 键 5的头部 51沿着轴部 52向内侧的流动， 还是从第二按键 4的基部 41向基部 41和外壳 2的侧壁之间的流动， 都能被阻止， 因而能够以较为简单的结构实现防水。
在本发明中， 通过供操作者按压的第二按键 5和可在内外方向上弹性变形的第一按键 4来对按键开关 3进行开闭， 如图 4所示， 当要改变按钮 1的形状和大小时， 不需要改变 第一按键 4， 只要改变第二按键 5的形状、 大小即可。 所以可以共用第一按键 4， 从而削 减制造成本。
在本发明中， 在头部 51的内侧表面中的靠近轴部 52处形成有围绕轴部 52的凹槽部 53， 承接部 43的外侧端部被压缩地嵌入凹槽部 53内， 以实现第二按键 5与第一按键 4的 承接部 43的嵌合。 由此， 可以更好地防止水分从第二按键 5的头部 51沿着轴部 52进入 外壳 2的内部。
在本发明中， 承接部 43的孔壁的内表面上围绕轴部 52地形成有向第二通孔 44内突 出的突出部 45， 该突出部 45被压缩地与轴部 52的周面抵接。 由此， 可以更好地防止水分 从第一按键 4的基部 41和外壳 2的侧壁之间进入外壳 2的内部。
在本发明中， 第二按键 5未被按下时， 头部 51的内侧表面到基部 41的外侧表面的距 离大于等于轴部 52的顶端到按键开关 3的距离和按键开关 3的行程之和。 由此， 可以确 保第二按键 5在被按压时能对按键开关 3进行可靠地开闭。 在本发明中， 第二按键 5未被按下时， 第二按键 5的头部 51 的内侧表面离开第一按 键 4的基部 41的外侧表面一定的距离，外壳 2的第一通孔 21的孔壁向外壳 2的内侧突出， 形成对轴部 52进行导向的导向部 22。 由此， 可以使轴部 52的顶端更为准确地与按键开关 3接触， 可以对按键开关 3进行更为稳定地开闭， 并可以提高操作者的操作手感。
在本发明中， 基部 41通过夹在其与外壳 2的侧壁之间的、 围绕中空部 42的双面胶 6 粘接固定在外壳 2的侧壁的外表面上。 由此， 可以通过简单的结构防止水分从第一按键 4 的基部 41和外壳 2的侧壁之间进入外壳 2的内部。
在本发明中， 第二按键 5由树脂制成， 由此可以提高操作人员的手感。

Claims

权利要 求 书
1. 一种电子设备的按钮， 其特征在于， 包括：
外壳， 在所述外壳的侧壁上形成有第一通孔；
按键开关， 与所述第一通孔对应地设置在所述外壳的内侧；
第一按键， 具有： 形成有中空部的基部， 粘接固定在所述外壳的侧壁的外表面上； 以 及承接部，从该基部向外侧且中空部的中心方向突出，该承接部可在内外方向上弹性变形， 在该承接部的中心具有与所述第一通孔对应的第二通孔；
第二按键， 与所述承接部嵌合， 该第二按键具有头部、 以及从该头部向内侧延伸的轴 部， 该轴部插入所述第一通孔、 所述第二通孔内并且所述轴部的顶端可与所述按键开关接 触或分离，
所述第二按键未被按下时， 所述第二按键的头部的内侧表面离开所述第一按键的基部 的外侧表面一定的距离，
所述外壳的第一通孔的孔壁向所述外壳的内侧突出， 形成对所述轴部进行导向的导向 部。
2. 如权利要求 1 所述的电子设备的按钮， 其特征在于， 在所述头部的内侧表面中的 靠近轴部处形成有围绕轴部的凹槽部， 所述承接部的外侧端部被压缩地嵌入所述凹槽部 内。
3. 如权利要求 2 所述的电子设备的按钮， 其特征在于， 第二按键未被按下时， 所述 头部的内侧表面到所述基部的外侧表面的距离大于等于所述轴部的顶端到所述按键开关 的距离和所述按键开关的行程之和。
4. 如权利要求 1-3 所述的电子设备的按钮， 其特征在于， 所述承接部的孔壁的内表 面上围绕所述轴部地形成有向所述第二通孔内突出的突出部， 该突出部被压缩地与所述轴 部的周面抵接。
5. 如权利要求 4所述的电子设备的按钮， 其特征在于， 所述基部通过夹在其与所述 外壳的侧壁之间的、 围绕所述中空部的双面胶粘接固定在所述外壳的侧壁的外表面上。
6. 如权利要求 5所述的电子设备的按钮， 其特征在于， 所述第一按键由弹性材料制 成。
7. 如权利要求 6所述的电子设备的按钮， 其特征在于， 所述弹性材料为橡胶。
8. 如权利要求 5所述的电子设备的按钮， 其特征在于， 所述第二按键由树脂制成。
9. 如权利要求 1所述的电子设备的按钮， 其特征在于， 所述电子设备为温度控制器。
PCT/CN2012/001209 2011-09-30 2012-08-30 电子设备的按钮 WO2013044586A1 (zh)

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