TWI478569B - Key mechanism and portable electronic device using the same - Google Patents
Key mechanism and portable electronic device using the same Download PDFInfo
- Publication number
- TWI478569B TWI478569B TW097125430A TW97125430A TWI478569B TW I478569 B TWI478569 B TW I478569B TW 097125430 A TW097125430 A TW 097125430A TW 97125430 A TW97125430 A TW 97125430A TW I478569 B TWI478569 B TW I478569B
- Authority
- TW
- Taiwan
- Prior art keywords
- engaging portion
- circuit board
- main body
- portable electronic
- electronic device
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 33
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims 2
- 230000003068 static effect Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Push-Button Switches (AREA)
- Telephone Set Structure (AREA)
Description
本發明涉及一種按鍵結構及應用該按鍵結構之可攜式電子裝置。 The invention relates to a button structure and a portable electronic device using the button structure.
習知之行動電話，常採用側按鍵裝置實現接聽電話、打開背景燈、聲音大小調節以及滾動螢幕等功能，該側按鍵裝置通常設置於行動電話外殼體之側壁上，使得使用者可方便地單手操作。 The conventional mobile phone often adopts a side button device to realize functions such as answering a call, turning on a backlight, adjusting the sound size, and scrolling the screen. The side button device is usually disposed on the side wall of the outer casing of the mobile phone, so that the user can conveniently use one hand. operating.
請參照圖1，所示為習知之可攜式電子裝置50。該可攜式電子裝置50包括一按鍵體52、一金屬彈片54、一電路板56及一主板57。該金屬彈片54藉由一黏膠58黏結於該電路板56上，該電路板56與該主板57藉由一軟板59連接，該電路板56上設置一第一開關元件562及一第二開關元件564。當使用該可攜式電子裝置50時，按圖1箭頭所示方向按壓該按鍵體52以使該金屬彈片54按圖1箭頭所示方向發生彎曲，從而藉由彎曲變形之金屬彈片54將該電路板56之第一開關元件562及第二開關元件564導通，進而實現對該主板57之控制。 Referring to FIG. 1, a conventional portable electronic device 50 is shown. The portable electronic device 50 includes a button body 52, a metal dome 54, a circuit board 56, and a motherboard 57. The metal foil 54 is bonded to the circuit board 56 by an adhesive 58. The circuit board 56 is connected to the main board 57 by a flexible board 59. The circuit board 56 is provided with a first switching element 562 and a second board. Switching element 564. When the portable electronic device 50 is used, the button body 52 is pressed in the direction indicated by the arrow in FIG. 1 to bend the metal dome 54 in the direction indicated by the arrow in FIG. 1, so that the metal dome 54 is bent and deformed. The first switching element 562 and the second switching element 564 of the circuit board 56 are turned on, thereby implementing control of the main board 57.
該按鍵體52一般由金屬材質製成，於使用過程中，容易產生靜電。因而一般將該金屬彈片54與該主板57之接地點(圖未示)連接，從而藉由該金屬彈片54將該按鍵體52上之靜電安全導出。 The button body 52 is generally made of a metal material, and is easy to generate static electricity during use. Therefore, the metal dome 54 is generally connected to a grounding point (not shown) of the main board 57, so that the static electricity on the button body 52 is safely led out by the metal dome 54.
然而，當該可攜式電子裝置50多次使用後，該黏膠58之黏結效果將下降，而使該金屬彈片54與該電路板56分開。如此，該按鍵體52上之靜電將由該金屬彈片54與該電路板56之間之縫隙直接排放到該電路板56上。而該電路板56又與該主板57連接，因而該靜電最終將傳導到該主板57上，進而對該主板57上之電子元件造成損害。 However, when the portable electronic device 50 is used multiple times, the bonding effect of the adhesive 58 will be lowered, and the metal dome 54 is separated from the circuit board 56. Thus, the static electricity on the button body 52 is directly discharged to the circuit board 56 by the gap between the metal dome 54 and the circuit board 56. The circuit board 56 is in turn connected to the main board 57, so that the static electricity will eventually be transmitted to the main board 57, thereby causing damage to the electronic components on the main board 57.
有鑒於此，有必要提供一種可提高抗靜電放電功能之按鍵結構。 In view of this, it is necessary to provide a button structure that can improve the antistatic discharge function.
另外，還有必要提供一種應用上述按鍵結構之可攜式電子裝置。 In addition, it is also necessary to provide a portable electronic device using the above button structure.
一種按鍵結構，其包括一按鍵體、一電路板及一金屬彈片，該金屬彈片包括一主體，該主體置於該按鍵體與該電路板之間，該金屬彈片還包括由主體延伸之一第一卡合部及一第二卡合部，該金屬彈片藉由該第一卡合部及該第二卡合部與該電路板緊密地貼合於一起。 A button structure includes a button body, a circuit board and a metal dome. The metal dome includes a body, the body is disposed between the button body and the circuit board, and the metal dome further comprises a body extending from the body. The first elastic portion and the second engaging portion are closely attached to the circuit board by the first engaging portion and the second engaging portion.
一種可攜式電子裝置，其包括一軟板、一主板及一按鍵結構，該按鍵結構包括一按鍵體、一電路板及一金屬彈片，該金屬彈片包括一主體，該主體置於該按鍵體與該電路板之間，該電路板藉由該軟板與該主板電連接，該金屬彈片還包括由主體延伸之一第一卡合部及一第二卡合部，該金屬彈片藉由該第一卡合部及該第二卡合部與該電路板緊密地貼合於一起。 A portable electronic device includes a flexible board, a main board and a button structure. The button structure includes a button body, a circuit board and a metal dome. The metal dome includes a main body, and the main body is disposed on the button body. And the circuit board is electrically connected to the main board by the flexible board, the metal dome further includes a first engaging portion and a second engaging portion extending from the main body, wherein the metal elastic piece is The first engaging portion and the second engaging portion are closely attached to the circuit board.
相較于習知技術，所述金屬彈片之第一卡合部及第二卡合部卡合該電路板於其內，並藉由該黏膠牢固地黏結於一起，從而避免該金屬彈片與該電路板之間產生間隙，進而避免靜電排放到該電路 板上。 Compared with the prior art, the first engaging portion and the second engaging portion of the metal elastic piece are engaged with the circuit board, and are firmly bonded together by the adhesive, thereby avoiding the metal elastic piece and the a gap is created between the boards to prevent static discharge to the circuit On the board.
(習知) (known)
50‧‧‧可攜式電子裝置 50‧‧‧Portable electronic devices
564‧‧‧第二開關元件 564‧‧‧Second switching element
52‧‧‧按鍵體 52‧‧‧Key body
57‧‧‧主板 57‧‧‧ motherboard
54‧‧‧金屬彈片 54‧‧‧Metal shrapnel
58‧‧‧黏膠 58‧‧‧Viscos
56‧‧‧電路板 56‧‧‧Circuit board
59‧‧‧軟板 59‧‧‧Soft board
562‧‧‧第一開關元件 562‧‧‧First switching element
(本發明) (this invention)
100‧‧‧行動電話 100‧‧‧Mobile Phone
1426‧‧‧第一開關單元 1426‧‧‧First switch unit
10‧‧‧按鍵結構 10‧‧‧Key structure
1428‧‧‧第二開關單元 1428‧‧‧Second switch unit
12‧‧‧按鍵體 12‧‧‧Key body
16‧‧‧金屬彈片 16‧‧‧Metal shrapnel
122‧‧‧按壓面 122‧‧‧ pressing surface
162‧‧‧主體 162‧‧‧ Subject
1222‧‧‧按壓部 1222‧‧‧ Pressing Department
164‧‧‧卡合部 164‧‧‧Care Department
124‧‧‧抵持面 124‧‧‧Resistance
166‧‧‧第二卡合部 166‧‧‧Second engagement department
1242‧‧‧抵持部 1242‧‧‧Resistance Department
1662‧‧‧缺口 1662‧‧‧ gap
14‧‧‧電路板 14‧‧‧ boards
168‧‧‧容腔 168‧‧‧ cavity
142‧‧‧第一表面 142‧‧‧ first surface
20‧‧‧主板 20‧‧‧ motherboard
1422‧‧‧凹槽 1422‧‧‧ Groove
30‧‧‧軟板 30‧‧‧soft board
1424‧‧‧槽底壁 1424‧‧‧ bottom wall
40‧‧‧黏膠 40‧‧‧Viscos
圖1係習知之可攜式電子裝置之組裝示意圖；圖2係本發明較佳實施方式之可攜式電子裝置之分解示意圖；圖3係圖2所示之可攜式電子裝置另一視角之示意圖；圖4係圖2所示之可攜式電子裝置之組裝示意圖；圖5係圖4所示可攜式電子裝置之剖視圖。 1 is a schematic view showing the assembly of a portable electronic device; FIG. 2 is an exploded perspective view of the portable electronic device according to the preferred embodiment of the present invention; FIG. 3 is another view of the portable electronic device shown in FIG. FIG. 4 is a schematic view showing the assembly of the portable electronic device shown in FIG. 2; FIG. 5 is a cross-sectional view of the portable electronic device shown in FIG.
本發明按鍵結構適用於行動電話、個人數碼助理(Personal Digital Assistant，PDA)等可攜式電子裝置，在本實施方式中，以應用於行動電話之按鍵結構為例加以說明。 The button structure of the present invention is applicable to a portable electronic device such as a mobile phone or a personal digital assistant (PDA). In the present embodiment, a button structure applied to a mobile phone will be described as an example.
請參閱圖2及圖3，該行動電話100包括一按鍵結構10及一主板20，該按鍵結構10與該主板20藉由一軟板30實現電連接。該按鍵結構10包括一按鍵體12、一電路板14及一金屬彈片16。 Referring to FIG. 2 and FIG. 3 , the mobile phone 100 includes a button structure 10 and a motherboard 20 . The button structure 10 and the motherboard 20 are electrically connected by a soft board 30 . The button structure 10 includes a button body 12, a circuit board 14 and a metal dome 16.
請一併參閱圖4，該按鍵體12對應於該電路板14設置，其包括一按壓面122及一與該按壓面122相背之抵持面124。該按壓面122上凸設二按壓部1222。該抵持面124朝向該電路板14，其上對應於所述按壓部1222凸設二抵持部1242。 Referring to FIG. 4 , the button body 12 is disposed corresponding to the circuit board 14 and includes a pressing surface 122 and a resisting surface 124 opposite to the pressing surface 122 . Two pressing portions 1222 are protruded from the pressing surface 122. The resisting surface 124 faces the circuit board 14 , and the two resisting portions 1242 are protruded corresponding to the pressing portion 1222 .
該電路板14大致為一方形板狀體，其包括一朝向該按鍵體12之第一表面142。該第一表面142上開設二凹槽1422，從而於該電路板14上形成二槽底壁1424。每一槽底壁1424上間隔設置一第一開關單元1426及一第二開關單元1428，且該第一開關單元1426及該第 二開關單元1428與所述抵持部1242對應設置(如圖5)。 The circuit board 14 is generally a square plate-like body including a first surface 142 facing the button body 12. Two grooves 1422 are defined in the first surface 142 to form a two-slot bottom wall 1424 on the circuit board 14. A first switch unit 1426 and a second switch unit 1428 are disposed on each of the bottom walls 1424 of the slot, and the first switch unit 1426 and the first The two switch units 1428 are disposed corresponding to the abutting portion 1242 (as shown in FIG. 5).
請一併參閱圖5，該金屬彈片16包括一主體162、一第一卡合部164及一與該第一卡合部164相對設置之第二卡合部166。該第一卡合部164及該第二卡合部166分別由該主體162之二相對邊緣垂直延伸後再沿與主體162平行之表面相向垂直延伸形成，如此使該第一卡合部164及該第二卡合部166之橫截面均成“L”形。該主體162、該第一卡合部164及該第二卡合部166圍成一容腔168，該容腔168用於容納該電路板14於其內，且當該電路板14容納于該容腔168內時，該電路板14上設置有一黏膠40(如圖5)以使該金屬彈片16牢固地設置於其上。該第二卡合部166之中部對應於該軟板30開設一缺口1662，該缺口1662用於使該軟板30伸入該容腔168而與該電路板14連接。 As shown in FIG. 5 , the metal elastic piece 16 includes a main body 162 , a first engaging portion 164 , and a second engaging portion 166 disposed opposite to the first engaging portion 164 . The first engaging portion 164 and the second engaging portion 166 respectively extend perpendicularly from opposite edges of the main body 162 and then extend perpendicularly along a surface parallel to the main body 162, so that the first engaging portion 164 and The second engaging portion 166 has an "L" shape in cross section. The main body 162, the first engaging portion 164 and the second engaging portion 166 define a cavity 168 for receiving the circuit board 14 therein, and when the circuit board 14 is accommodated therein When the cavity 168 is inside, the circuit board 14 is provided with an adhesive 40 (as shown in FIG. 5) to firmly fix the metal dome 16 thereon. The middle portion of the second engaging portion 166 defines a notch 1662 corresponding to the flexible board 30. The notch 1662 is configured to extend the flexible board 30 into the cavity 168 to be connected to the circuit board 14.
所述金屬彈片16藉由該第一卡合部164及該第二卡合部166與該電路板14緊密地貼合於一起，該第一卡合部164及該第二卡合部166並藉由該黏膠40牢固地與該電路板14黏結於一起，從而避免該金屬彈片16與該電路板14之間產生間隙，進而有效地避免靜電排放到該電路板14上。 The metal elastic piece 16 is closely attached to the circuit board 14 by the first engaging portion 164 and the second engaging portion 166. The first engaging portion 164 and the second engaging portion 166 are The adhesive 40 is firmly bonded to the circuit board 14 to avoid a gap between the metal dome 16 and the circuit board 14, thereby effectively preventing static electricity from being discharged onto the circuit board 14.
可以理解，該第一卡合部164及該第二卡合部166可不藉由該黏膠40與該電路板14黏合，而僅藉由該第一卡合部164及該第二卡合部166本身之卡合力與電路板14緊緊地卡合於一起。 It can be understood that the first engaging portion 164 and the second engaging portion 166 can be bonded to the circuit board 14 without the adhesive 40, but only by the first engaging portion 164 and the second engaging portion. The clamping force of the 166 itself is tightly engaged with the circuit board 14.
綜上所述，本發明符合發明專利要件，爰依法提出專利申請。惟，以上所述者僅為本發明之較佳實施例，本發明之範圍並不以上述實施例為限，舉凡熟悉本案技藝之人士援依本發明之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍內。 In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.
100‧‧‧行動電話 100‧‧‧Mobile Phone
1424‧‧‧槽底壁 1424‧‧‧ bottom wall
10‧‧‧按鍵結構 10‧‧‧Key structure
1426‧‧‧第一開關單元 1426‧‧‧First switch unit
12‧‧‧按鍵體 12‧‧‧Key body
1428‧‧‧第二開關單元 1428‧‧‧Second switch unit
122‧‧‧按壓面 122‧‧‧ pressing surface
16‧‧‧金屬彈片 16‧‧‧Metal shrapnel
1222‧‧‧按壓部 1222‧‧‧ Pressing Department
14‧‧‧電路板 14‧‧‧ boards
20‧‧‧主板 20‧‧‧ motherboard
142‧‧‧第一表面 142‧‧‧ first surface
30‧‧‧軟板 30‧‧‧soft board
1422‧‧‧凹槽 1422‧‧‧ Groove
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW097125430A TWI478569B (en) | 2008-07-04 | 2008-07-04 | Key mechanism and portable electronic device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW097125430A TWI478569B (en) | 2008-07-04 | 2008-07-04 | Key mechanism and portable electronic device using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201004289A TW201004289A (en) | 2010-01-16 |
| TWI478569B true TWI478569B (en) | 2015-03-21 |
Family
ID=44825831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097125430A TWI478569B (en) | 2008-07-04 | 2008-07-04 | Key mechanism and portable electronic device using the same |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI478569B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6812424B2 (en) * | 2002-01-11 | 2004-11-02 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Elastic sheet structure having an improved electrical continuity function, and printed circuit board structure |
| US20040240162A1 (en) * | 2003-03-21 | 2004-12-02 | Chih-Neng Hsu | Housing of electronic device with a side key assembly |
| CN1707713A (en) * | 2004-06-07 | 2005-12-14 | 全培京 | Switch module for cellular phone |
| CN1956116A (en) * | 2005-10-25 | 2007-05-02 | 华硕电脑股份有限公司 | Low noise push-button structure |
-
2008
- 2008-07-04 TW TW097125430A patent/TWI478569B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6812424B2 (en) * | 2002-01-11 | 2004-11-02 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Elastic sheet structure having an improved electrical continuity function, and printed circuit board structure |
| US20040240162A1 (en) * | 2003-03-21 | 2004-12-02 | Chih-Neng Hsu | Housing of electronic device with a side key assembly |
| CN1707713A (en) * | 2004-06-07 | 2005-12-14 | 全培京 | Switch module for cellular phone |
| CN1956116A (en) * | 2005-10-25 | 2007-05-02 | 华硕电脑股份有限公司 | Low noise push-button structure |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201004289A (en) | 2010-01-16 |
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| Date | Code | Title | Description |
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| MM4A | Annulment or lapse of patent due to non-payment of fees |