JP2017174724A - Button structure and electronic apparatus including the same - Google Patents

Button structure and electronic apparatus including the same Download PDF

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Publication number
JP2017174724A
JP2017174724A JP2016061770A JP2016061770A JP2017174724A JP 2017174724 A JP2017174724 A JP 2017174724A JP 2016061770 A JP2016061770 A JP 2016061770A JP 2016061770 A JP2016061770 A JP 2016061770A JP 2017174724 A JP2017174724 A JP 2017174724A
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button
tip
panel
leaf spring
hinge
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慶宏 小野
Yoshihiro Ono
慶宏 小野
淳也 池内
Junya Ikeuchi
淳也 池内
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a button structure capable of suppressing the rattling of a button part assembled to a panel, and an electronic apparatus including the same.SOLUTION: A button part 5a has a pusher 6 on one end side, and is assembled to an opening 2a of a panel 2, so as to pivot by pressing operation, with the other end side as a fulcrum. A hinge 8 has a tip 8a coming into contact with an inner wall 2c of the opening 2a of the panel 2, and a leaf spring 8b bifurcated from the tip 8a. The leaf spring 8b spreads to both sides from a portion 8c, where the width including the leaf springs 8b on both sides bifurcated from the tip 8a is narrower than a length L1 of the tip 8a in the width direction, and is connected to the other end side of the button part 5a.SELECTED DRAWING: Figure 2

Description

この発明は、ヒンジ部を有する押しボタンのボタン構造およびこれを備えた電子機器に関する。   The present invention relates to a button structure of a push button having a hinge portion and an electronic apparatus including the same.

従来の押しボタンの中には、押圧操作を受け付けるボタン部と、ボタン部と一体に形成されて弾性を有したヒンジ部とを備えるものがある。
例えば、特許文献１に記載された操作ボタン装置は、操作ボタンと、操作ボタンと一体に形成された折れ曲がり部を有する戻りスプリング部とを備えている。この操作ボタンがボタン部に相当し、戻りスプリング部がヒンジ部に相当する。
また、ボタン部をパネルの開口部に組み付けるときに、ヒンジ部の先端部が、パネルの開口部の内壁に設けられた係合凸部に掛かり止めされることで、ボタン部がパネルの開口部に抜け止めされる押しボタンもある。 Some conventional push buttons include a button portion that receives a pressing operation and a hinge portion that is formed integrally with the button portion and has elasticity.
For example, the operation button device described in Patent Document 1 includes an operation button and a return spring portion having a bent portion formed integrally with the operation button. This operation button corresponds to a button portion, and the return spring portion corresponds to a hinge portion.
Further, when the button part is assembled to the panel opening part, the tip part of the hinge part is engaged with the engaging convex part provided on the inner wall of the panel opening part, so that the button part is opened to the panel opening part. There is also a push button that keeps it from falling off.

実開平３−９７９７７号公報Japanese Utility Model Publication No. 3-97977

従来の押しボタンにおいて、ヒンジ部の先端部は、ボタン部がパネルに組み付けられた状態で、パネルの開口部の内壁に弾性接触している。
また、ボタン部の外周とパネルの開口部の内周との間には、ボタン部あるいはパネルにおける寸法公差を吸収するために、クリアランスが形成されている。
先端部の弾性接触でヒンジ部がボタン部をパネル側に強く付勢している部分では、このクリアランスでのボタン部の動きが規制されるが、ヒンジ部の付勢力が及ばない部分ではクリアランスでボタン部が動いてガタツキが発生する。
そこで、先端部を大きくしてヒンジ部の付勢力が及ぶ範囲を拡げれてやれば、ボタン部のガタツキを抑制することができる。 In the conventional push button, the tip of the hinge part is in elastic contact with the inner wall of the opening of the panel in a state where the button part is assembled to the panel.
In addition, a clearance is formed between the outer periphery of the button portion and the inner periphery of the opening portion of the panel in order to absorb a dimensional tolerance in the button portion or the panel.
In the part where the hinge part strongly biases the button part toward the panel side due to the elastic contact of the tip part, the movement of the button part in this clearance is restricted, but in the part where the biasing force of the hinge part does not reach, the clearance is The button moves and rattling occurs.
Therefore, if the tip end part is enlarged and the range to which the urging force of the hinge part reaches is expanded, the backlash of the button part can be suppressed.

一方、押しボタンには、ボタン部をパネルの開口部に前面側から挿入して、ヒンジ部の先端部をパネルの開口部の内壁に設けられた係合凸部に掛かり止めしてボタン部をパネルに組み付けるものがある。このような構造の押しボタンでは、ボタン部をパネルの開口部に挿入した際に、ヒンジ部の先端部が係合凸部を乗り越えて掛かり止めされる。
しかしながら、前述したようにヒンジ部の先端部を大きくすると、その分だけ、先端部が係合凸部を乗り越えるときのヒンジ部の弾性変形で生じた応力が、ヒンジ部の根元部分に掛かり続けることになる。これによって、ヒンジ部の根元部分が塑性変形してヒンジ部が折れてしまう可能性があった。 On the other hand, for the push button, the button part is inserted into the opening of the panel from the front side, and the tip of the hinge part is hooked on the engaging convex part provided on the inner wall of the opening of the panel, and the button part is There is something to assemble to the panel. In the push button having such a structure, when the button portion is inserted into the opening portion of the panel, the distal end portion of the hinge portion gets over the engaging convex portion and is locked.
However, as described above, when the tip of the hinge part is enlarged, the stress generated by the elastic deformation of the hinge part when the tip part gets over the engaging convex part continues to be applied to the root part of the hinge part. become. As a result, the base portion of the hinge portion may be plastically deformed and the hinge portion may be broken.

この発明は上記課題を解決するもので、パネルに組み付けられたボタン部のガタツキを抑制することができるボタン構造およびこれを備えた電子機器を得ることを目的とする。   This invention solves the said subject, and it aims at obtaining the button structure which can suppress the rattle of the button part assembled | attached to the panel, and an electronic device provided with the same.

この発明に係るボタン構造は、ボタン部およびヒンジ部を備える。ボタン部は、一方の端部側に押し子を有し、パネルの開口部に組み付けられて、押圧操作により他方の端部側を支点として回動する。ヒンジ部は、パネルの開口部の内壁に接触する先端部と、先端部から二股に延びた板ばね部とを有する。板ばね部は、先端部から二股に延びた両側の板ばね部を含む幅が先端部の上記幅の方向の長さよりも狭い部分から両側に広がってボタン部の他方の端部側に連結されている。   The button structure according to the present invention includes a button portion and a hinge portion. The button portion has a pusher on one end side, is assembled to the opening of the panel, and is rotated about the other end side by a pressing operation. The hinge portion has a tip portion that contacts the inner wall of the opening of the panel, and a leaf spring portion that extends from the tip portion into a fork. The width of the leaf spring portion including the leaf spring portions on both sides extending from the tip portion to the fork extends from the portion narrower than the length of the tip portion in the width direction to both sides and is connected to the other end portion side of the button portion. ing.

この発明によれば、ヒンジ部を構成する板ばね部が、先端部から延びた両側の板ばね部を含む幅が先端部の長さよりも狭い部分から両側に広がってボタン部に連結されている。
このように構成することで、ヒンジ部の弾性変形で生じた応力が、板ばね部における幅狭の部分に分散される。これによって、先端部を大きくしてヒンジ部の付勢力が及ぶ範囲を拡げることができ、パネルに組み付けられたボタン部のガタツキを抑制することができる。 According to this invention, the leaf spring portion constituting the hinge portion is connected to the button portion so that the width including the leaf spring portions on both sides extending from the tip portion extends from the portion narrower than the length of the tip portion to both sides. .
With this configuration, the stress generated by the elastic deformation of the hinge portion is distributed to the narrow portion of the leaf spring portion. As a result, it is possible to enlarge the tip portion and extend the range that the urging force of the hinge portion reaches, and to suppress the backlash of the button portion assembled to the panel.

この発明の実施の形態１に係るボタン構造を備えた電子機器を示す斜視図である。It is a perspective view which shows the electronic device provided with the button structure which concerns on Embodiment 1 of this invention. 実施の形態１におけるボタン部のパネルへの組み付けの概要を示す斜視図である。FIG. 3 is a perspective view showing an outline of the assembly of the button part to the panel in the first embodiment. 実施の形態１におけるボタン部を示す斜視図である。FIG. 3 is a perspective view showing a button part in the first embodiment. 図１の符号Ａを付した部分の拡大斜視図である。It is an expansion perspective view of the part which attached | subjected the code | symbol A of FIG. 実施の形態１に係るボタン構造を図４のＢ−Ｂ線で切った様子を示す断面矢示図である。It is a cross-sectional arrow figure which shows a mode that the button structure which concerns on Embodiment 1 was cut | disconnected by the BB line of FIG. 実施の形態１に係るボタン構造を図４のＣ−Ｃ線で切った様子を示す断面矢示図である。It is a cross-sectional arrow figure which shows a mode that the button structure which concerns on Embodiment 1 was cut | disconnected by CC line of FIG. 実施の形態１に係るボタン構造をパネルの裏面側からみた様子を示す平面図である。It is a top view which shows a mode that the button structure which concerns on Embodiment 1 was seen from the back surface side of the panel.

実施の形態１．
図１は、この発明の実施の形態１に係るボタン構造を備えた電子機器１を示す斜視図である。図２は、実施の形態１におけるボタン部５ａのパネル２への組み付けを示す斜視図である。電子機器１は、パネル２と本体筐体３とを備えており、例えば、車載用のナビゲーション装置、オーディオ機器によって実現される。パネル２には、表示部４および操作ボタン５が設けられている。また、操作ボタン５は、図２の矢印方向にパネル２の前面側から開口部２ａへ挿入されて組み付けられる。 Embodiment 1 FIG.
FIG. 1 is a perspective view showing an electronic device 1 having a button structure according to Embodiment 1 of the present invention. FIG. 2 is a perspective view showing assembly of the button portion 5a to the panel 2 in the first embodiment. The electronic device 1 includes a panel 2 and a main body housing 3 and is realized by, for example, an in-vehicle navigation device or an audio device. The panel 2 is provided with a display unit 4 and operation buttons 5. Further, the operation button 5 is inserted and assembled into the opening 2a from the front side of the panel 2 in the direction of the arrow in FIG.

図３は、ボタン部５ａを示す斜視図であり、ボタン部５ａをヒンジ部８側からみた様子を示している。ボタン部５ａの表側の面はボタン面５ｂになっており、ボタン面５ｂは、ボタン部５ａがパネル２の開口部２ａに組み付けられた状態で外部に露出する。ボタン面５ｂの一方の端部側には、ボタン面５ｂから突出した押圧部５ｂ−１が形成されている。
ボタン部５ａの裏側の面には、押し子６、位置決め凸部７およびヒンジ部８が形成されている。ここで、押し子６は、ボタン部５ａにおける一方の端部側から下方に長く延びた部材である。位置決め凸部７は、図３に示すように、ボタン部５ａにおける他方の端部の両側に形成された凸部である。 FIG. 3 is a perspective view showing the button portion 5a, and shows a state where the button portion 5a is viewed from the hinge portion 8 side. The front surface of the button portion 5a is a button surface 5b, and the button surface 5b is exposed to the outside with the button portion 5a assembled to the opening 2a of the panel 2. A pressing portion 5b-1 protruding from the button surface 5b is formed on one end side of the button surface 5b.
A pusher 6, a positioning convex portion 7, and a hinge portion 8 are formed on the back surface of the button portion 5a. Here, the pusher 6 is a member extending long downward from one end side of the button portion 5a. The positioning convex part 7 is a convex part formed in the both sides of the other edge part in the button part 5a, as shown in FIG.

ヒンジ部８は、先端部８ａと先端部８ａから延びた板ばね部８ｂとを有しており、板ばね部８ｂの弾性力でボタン部５ａを回動位置から元の位置に復帰させる。先端部８ａは、図３に示すように、ボタン部５ａの幅方向に長い板状の部材である。
板ばね部８ｂは、先端部８ａから二股に延びた両側の板ばね部８ｂを含む幅が、先端部８ａの上記幅の方向の長さＬ１よりも狭い部分８ｃから両側に広がってボタン部５ａに連結されている。すなわち、先端部８ａから二股に延びた両側の板ばね部８ｂにおける部分８ｃの幅Ｗ１はＬ１よりも狭い。そして、両側の板ばね部８ｂは、この部分８ｃから互いに離れるように両側に広がって、幅がＷ１よりも広いＷ２になった状態でボタン部５ａに連結される。 The hinge portion 8 has a tip portion 8a and a leaf spring portion 8b extending from the tip portion 8a, and the button portion 5a is returned from the rotational position to the original position by the elastic force of the leaf spring portion 8b. As shown in FIG. 3, the tip 8a is a plate-like member that is long in the width direction of the button 5a.
The leaf spring portion 8b has a width including the leaf spring portions 8b on both sides extending bifurcated from the distal end portion 8a, and extends from the portion 8c narrower than the length L1 in the width direction of the distal end portion 8a to the both sides. It is connected to. That is, the width W1 of the portion 8c in the leaf spring portions 8b on both sides extending from the tip portion 8a to the fork is smaller than L1. The leaf spring portions 8b on both sides expand to both sides away from the portion 8c and are connected to the button portion 5a in a state where the width is W2 wider than W1.

次に、実施の形態１に係るボタン構造の詳細について説明する。
図４は、図１の符号Ａを付した部分の拡大斜視図である。また、図５は、実施の形態１に係るボタン構造を図４のＢ−Ｂ線で切った様子を示す断面矢示図である。図６は、実施の形態１に係るボタン構造を図４のＣ−Ｃ線で切った様子を示す断面矢示図である。さらに、図７は、実施の形態１に係るボタン構造をパネル２の裏面側からみた様子を示す平面図である。 Next, the details of the button structure according to the first embodiment will be described.
FIG. 4 is an enlarged perspective view of a portion denoted by reference symbol A in FIG. FIG. 5 is a cross-sectional arrow view showing a state in which the button structure according to Embodiment 1 is cut along line BB in FIG. 6 is a cross-sectional arrow view showing a state in which the button structure according to Embodiment 1 is cut along line CC in FIG. Further, FIG. 7 is a plan view showing the button structure according to Embodiment 1 as seen from the back side of the panel 2.

パネル２の開口部２ａには、図５に示すように、内壁２ｂから突出した係合凸部２ｃが形成されている。また、開口部２ａの内部には基板９が配置されており、基板９にはスイッチ１０が実装されている。さらに、開口部２ａの周縁部には、図６に示すように、位置決め凸部７と係合する係合凹部２ｄが形成されている。   As shown in FIG. 5, an engagement convex portion 2 c that protrudes from the inner wall 2 b is formed in the opening 2 a of the panel 2. A substrate 9 is arranged inside the opening 2a, and a switch 10 is mounted on the substrate 9. Further, as shown in FIG. 6, an engagement recess 2 d that engages with the positioning protrusion 7 is formed at the peripheral edge of the opening 2 a.

ボタン部５ａをパネル２の開口部２ａに挿入したときに、ヒンジ部８は、先端部８ａが開口部２ａの内壁２ｂに接触して板ばね部８ｂを撓ませた状態で挿入される。
先端部８ａが係合凸部２ｃに達すると、ヒンジ部８は、板ばね部８ｂをさらに撓ませながら先端部８ａが係合凸部２ｃを上るように挿入される。そして、先端部８ａが係合凸部２ｃを乗り越えると、図５および図６に示すように、係合凸部２ｃが両側の板ばね部８ｂの間に嵌合してボタン部５ａが開口部２ａから抜ける方向の動きを規制する。このとき、ヒンジ部８の板ばね部８ｂは内壁２ｂに接触しておらず、先端部８ａの端面８ａ−１のみが内壁２ｂに接触している。 When the button portion 5a is inserted into the opening portion 2a of the panel 2, the hinge portion 8 is inserted in a state where the distal end portion 8a contacts the inner wall 2b of the opening portion 2a and the leaf spring portion 8b is bent.
When the distal end portion 8a reaches the engaging convex portion 2c, the hinge portion 8 is inserted so that the distal end portion 8a rises above the engaging convex portion 2c while further bending the leaf spring portion 8b. When the distal end portion 8a gets over the engaging convex portion 2c, the engaging convex portion 2c is fitted between the leaf spring portions 8b on both sides as shown in FIGS. 5 and 6, and the button portion 5a is opened. The movement in the direction from 2a is regulated. At this time, the leaf spring portion 8b of the hinge portion 8 is not in contact with the inner wall 2b, and only the end surface 8a-1 of the tip portion 8a is in contact with the inner wall 2b.

また、位置決め凸部７は、図６に示すように、開口部２ａの周縁部に形成された係合凹部２ｄに落ち込む。ボタン部５ａは、押圧部５ｂ−１が押圧操作されると、係合凹部２ｄに落ち込んだ位置決め凸部７を支点として回動する。これにより、押し子６が押圧方向に移動してスイッチ１０を押圧する。このとき、板ばね部８ｂは、押圧方向と直行する内壁２ｂの方向に撓んでいる。このため、押圧部５ｂ−１の押圧操作が解除されると、ボタン部５ａは、板ばね部８ｂの撓みを戻す弾性力によって回動位置から元の位置に復帰する。   Moreover, the positioning convex part 7 falls into the engaging recessed part 2d formed in the peripheral part of the opening part 2a, as shown in FIG. When the pressing portion 5b-1 is pressed, the button portion 5a rotates around the positioning convex portion 7 that has fallen into the engaging concave portion 2d. As a result, the pusher 6 moves in the pressing direction and presses the switch 10. At this time, the leaf spring portion 8b is bent in the direction of the inner wall 2b perpendicular to the pressing direction. For this reason, when the pressing operation of the pressing portion 5b-1 is released, the button portion 5a is returned from the rotation position to the original position by the elastic force for returning the bending of the leaf spring portion 8b.

なお、実施の形態１に係るボタン構造において、先端部８ａが係合凸部２ｃを乗り越えるときのヒンジ部８の弾性変形で生じた応力は、板ばね部８ｂにおける幅狭の部分８ｃが弾性変形することによって分散される。このように、ヒンジ部８の根元部分への応力集中が軽減される構造になっている。   In the button structure according to the first embodiment, the stress generated by the elastic deformation of the hinge portion 8 when the distal end portion 8a gets over the engaging convex portion 2c is caused by the elastic deformation of the narrow portion 8c in the leaf spring portion 8b. To be distributed. Thus, the stress concentration on the root portion of the hinge portion 8 is reduced.

そこで、実施の形態１に係るボタン構造では、先端部８ａを大きくして内壁２ｂと弾性接触する範囲を拡げている。図５に示す例では、先端部８ａが、ボタン部５ａの幅方向に長い板状の部材であり、図７の符号Ｄで示すように、先端部８ａの端面８ａ−１の全面が内壁２ｂに弾性接触している。これによって、ヒンジ部８の付勢力がボタン部５ａに及ぶ範囲が拡がるので、ボタン部５ａとパネル２の開口部２ａとの間のクリアランスにおけるボタン部５ａの動きが規制されて、ボタン部５ａのガタツキが抑制される。   Therefore, in the button structure according to the first embodiment, the distal end portion 8a is enlarged to expand the range of elastic contact with the inner wall 2b. In the example shown in FIG. 5, the tip 8a is a plate-like member that is long in the width direction of the button 5a, and the entire end surface 8a-1 of the tip 8a is the inner wall 2b, as indicated by the symbol D in FIG. In elastic contact. As a result, the range in which the urging force of the hinge portion 8 reaches the button portion 5a is expanded, so that the movement of the button portion 5a in the clearance between the button portion 5a and the opening portion 2a of the panel 2 is restricted, and the button portion 5a Backlash is suppressed.

以上のように、実施の形態１に係るボタン構造において、ボタン部５ａは、一方の端部側に押し子６を有し、パネル２の開口部２ａに組み付けられて、押圧操作によって他方の端部側を支点として回動する。ヒンジ部８は、パネル２の開口部２ａの内壁２ｂに接触する先端部８ａと先端部８ａから二股に延びた板ばね部８ｂとを有する。板ばね部８ｂは、先端部８ａから二股に延びた両側の板ばね部８ｂを含む幅が先端部８ａの幅の方向の長さよりも狭い部分８ｃから外側に広がってボタン部５ａの他方の端部側に連結されている。
このように構成することで、ヒンジ部８の弾性変形により生じた応力が、板ばね部８ｂにおける幅狭の部分８ｃに分散される。これにより、先端部８ａを大きくしてヒンジ部８の付勢力が及ぶ範囲を拡げることができ、パネル２に組み付けられたボタン部５ａのガタツキを抑制することができる。 As described above, in the button structure according to the first embodiment, the button portion 5a has the pusher 6 on one end side, is assembled to the opening 2a of the panel 2, and is pressed to the other end. It turns with the part side as a fulcrum. The hinge 8 has a tip 8a that contacts the inner wall 2b of the opening 2a of the panel 2 and a leaf spring 8b that extends from the tip 8a. The leaf spring portion 8b includes a leaf spring portion 8b on both sides extending from the tip end portion 8a. The width of the leaf spring portion 8b extends outward from the portion 8c narrower than the length in the width direction of the tip end portion 8a, and the other end of the button portion 5a. It is connected to the part side.
With this configuration, the stress generated by the elastic deformation of the hinge portion 8 is distributed to the narrow portion 8c in the leaf spring portion 8b. Thereby, the range which the urging | biasing force of the hinge part 8 reaches can be expanded by enlarging the front-end | tip part 8a, and the play of the button part 5a assembled | attached to the panel 2 can be suppressed.

また、実施の形態１に係るボタン構造を電子機器１が備えるので、上記と同様の効果が得られる電子機器１を提供することができる。   Moreover, since the electronic device 1 includes the button structure according to the first embodiment, it is possible to provide the electronic device 1 that can obtain the same effect as described above.

なお、本発明はその発明の範囲内において、実施の形態の任意の構成要素の変形、もしくは実施の形態の任意の構成要素の省略が可能である。   In the present invention, any component of the embodiment can be modified or any component of the embodiment can be omitted within the scope of the invention.

１ 電子機器、２ パネル、２ａ 開口部、２ｂ 内壁、２ｃ 係合凸部、２ｄ 係合凹部、３ 本体筐体、４ 表示部、５ 操作ボタン、５ａ ボタン部、５ｂ ボタン面、５ｂ−１ 押圧部、６ 押し子、７ 位置決め凸部、８ ヒンジ部、８ａ 先端部、８ａ−１ 端面、８ｂ 板ばね部、８ｃ 幅狭の部分、９ 基板、１０ スイッチ。   1 Electronic device, 2 panel, 2a opening, 2b inner wall, 2c engagement convex part, 2d engagement concave part, 3 body housing, 4 display part, 5 operation button, 5a button part, 5b button surface, 5b-1 press Part, 6 pusher, 7 positioning convex part, 8 hinge part, 8a tip part, 8a-1 end face, 8b leaf spring part, 8c narrow part, 9 substrate, 10 switch.

Claims (2)

一方の端部側に押し子を有し、パネルの開口部に組み付けられて、押圧操作により他方の端部側を支点として回動するボタン部と、
前記パネルの開口部の内壁に接触する先端部と、前記先端部から二股に延びた板ばね部とを有し、前記板ばね部が、前記先端部から二股に延びた両側の前記板ばね部を含む幅が前記先端部における前記幅の方向の長さよりも狭い部分から両側に広がって前記ボタン部の他方の端部側に連結されているヒンジ部と
を備えたことを特徴とするボタン構造。 A button portion having a pusher on one end side, assembled to the opening of the panel, and rotated around the other end side by a pressing operation;
The leaf spring portion on both sides extending from the tip portion to the fork portion, and a leaf spring portion extending from the tip portion to the fork. And a hinge portion that extends to both sides from a portion narrower than the length in the width direction at the tip portion and is connected to the other end portion side of the button portion. . 請求項１記載のボタン構造を備えた電子機器。   An electronic device comprising the button structure according to claim 1.
JP2016061770A 2016-03-25 2016-03-25 Button structure and electronic apparatus including the same Pending JP2017174724A (en)

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JP2012230860A (en) * 2011-04-27 2012-11-22 Mitsubishi Electric Corp Operation button structure

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US20090178912A1 (en) * 2008-01-11 2009-07-16 Hon Hai Precision Industry Co., Ltd. Multi-directional key and key assembly
WO2012131774A1 (en) * 2011-03-30 2012-10-04 三菱電機株式会社 Push-button structure
JP2012230860A (en) * 2011-04-27 2012-11-22 Mitsubishi Electric Corp Operation button structure

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Publication number Priority date Publication date Assignee Title
WO2020194811A1 (en) * 2019-03-25 2020-10-01 株式会社Ｊｖｃケンウッド Hinge structure for button, and electronic device
JP2020161252A (en) * 2019-03-25 2020-10-01 株式会社Ｊｖｃケンウッド Hinge structure of button and electronic apparatus
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