KR101755959B1 - Mobile Terminal Key Component and Mobile Terminal - Google Patents

Mobile Terminal Key Component and Mobile Terminal Download PDF

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Publication number
KR101755959B1
KR101755959B1 KR1020157013015A KR20157013015A KR101755959B1 KR 101755959 B1 KR101755959 B1 KR 101755959B1 KR 1020157013015 A KR1020157013015 A KR 1020157013015A KR 20157013015 A KR20157013015 A KR 20157013015A KR 101755959 B1 KR101755959 B1 KR 101755959B1
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KR
South Korea
Prior art keywords
mobile terminal
keycap
pcb
key part
key
Prior art date
Application number
KR1020157013015A
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Korean (ko)
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KR20150070373A (en
Inventor
샤오펑 웨이
Original Assignee
지티이 코포레이션
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Publication of KR20150070373A publication Critical patent/KR20150070373A/en
Application granted granted Critical
Publication of KR101755959B1 publication Critical patent/KR101755959B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Switches With Compound Operations (AREA)
  • Telephone Set Structure (AREA)
  • Push-Button Switches (AREA)

Abstract

According to an embodiment of the present invention, a mobile terminal key part and a mobile terminal are disclosed, wherein the key part includes an adjusting rotating disk, a rotating shaft, a lever, and a micro switch provided on a back surface of the mobile terminal; The adjusting rotating disk is fixed on the rotating shaft, and rotates by driving the rotating shaft and the lever when the adjusting rotating disk is rotated, and the projection on the lever triggers the micro switch.

Description

[0001] The present invention relates to a mobile terminal and a mobile terminal,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a field of designing a mobile terminal structure, and more particularly to a mobile terminal key part and a mobile terminal.

Currently, the power key and the volume control key of a mobile terminal (e.g., a mobile phone, etc.) generally use a method of directly pressing the microswitch, preventing unwanted opening / closing due to abnormal operation during use, The design height of the power key is lowered as much as possible in order to reduce the impact of the microswitch when the micro switch is damaged. However, the negative impact of the power switch is weakened or unclear, and in some situations, .

In addition, in the application demand where the screen of the mobile terminal is increasing day by day, the operation by one hand is inconvenient when the key is located on the side (for example, the key on the right side is difficult for the user holding the mobile phone with the left hand have).

As described above, the key of the mobile terminal in the related art occupies a relatively large space because the volume control key and the power key are located at the top or side, respectively; Further, there is a problem in that the key is located on the side surface and the key operation is inconvenient for a mobile terminal having a large screen.
For example, in Chinese patent application 200810085632.7, a mobile terminal equipped with a rotation input facility is provided, and the mobile terminal includes an input device provided on the rear surface of the terminal and equipped with a rotatable ruler. A user using the terminal can rotate the ruler with the index finger of the hand grasping the terminal while simultaneously holding the terminal, thereby selectively increasing or decreasing the volume. However, the ruler realizes the volume control by acting on the switch using the electronic pulse signal generated by the hall sensor. Since the Hall element is used in the patent application, the pulse generation mechanism of the rotation operation is controlled by the number of times and time of change of the Hall element and the magnetic body relative shift, so that the structure is complex and the coupling is high in cost.

Embodiments of the present invention provide mobile terminal parts and mobile terminals to improve the convenience of operation and environmental reliability.

The mobile terminal key part provided in the embodiment of the present invention includes an adjusting rotating disk, a rotating shaft, a lever, and a micro switch provided on the back surface of the mobile terminal;

The adjustment rotary disk is fixed on the rotary shaft and drives rotation of the rotary shaft and the lever when the adjustment rotary disk is rotated, and the projection on the lever triggers the micro switch.

Preferably, the number of microswitches is two.

Preferably, the micro switch is connected to a main board of the mobile terminal.

Preferably, the key part also includes an intermediate keycap and a metal dome array (DOME) piece, a printed circuit board (PCB) and a contact elastic piece sequentially disposed under the intermediate keycap;

Wherein the intermediate keycap and the adjustable rotary disk are independently fixed on the rotary shaft;

When the intermediate keycap is depressed, the DOME piece is deformed and then contacts the PCB to turn on the printed circuit on the PCB to conduct the contact elastic piece.

Preferably, the intermediate keycap is fixed on the silica gel, and when the intermediate keycap is pressed, pressure is transmitted to the DOME piece through the silica gel.

Preferably, the contact elastic piece is connected to the PCB through a flexible printed circuit board (FPC).

Preferably, the contact elastic piece is connected to the main board of the mobile terminal.

Preferably, the key part further includes a fixing ring for fixing the rotation shaft.

The embodiment of the present invention also provides a mobile terminal, which includes the mobile terminal key part.

In the embodiment of the present invention, a mobile terminal key part is provided. By integrating a power key and a volume key into a group of keys and also at the center position of the back of the mobile phone terminal, some major keys of the large screen mobile terminal The problem of inconvenience caused by the operation of one hand caused when the vehicle is located on the side is solved and at the same time, the reliability defect that the micro switch can easily be damaged during the erroneous operation or the fall environment test is prevented.

The key part provided in the embodiment of the present invention provides convenience in operating a key of a mobile terminal having a large screen with one hand, so that the erroneous operation rate is lowered and the reliability is improved.

1 is a structural exploded view of a key part of an embodiment of the present invention;
2 is a front view of a key part of an embodiment of the present invention;
3 is a rear view of a key part of an embodiment of the present invention.
4 is an axial side view of a key part of an embodiment of the present invention.

In this embodiment, a mobile terminal key part is provided, and the following technique is used.

Wherein the key part includes an adjustable rotating disk, a rotating shaft, a lever, and a micro switch provided on a back surface of the mobile terminal;

The adjusting rotating disk is fixed on the rotating shaft, and rotates by driving the rotating shaft and the lever when the adjusting rotating disk is rotated, and the projection on the lever triggers the micro switch.

Preferably, the key part further includes an intermediate keycap and a metal dome array (DOME) piece, a printed circuit board (PCB), and a contact elastic piece sequentially disposed under the keycap;

Wherein the intermediate keycap and the adjustable rotary disk are independently fixed on the rotary shaft;

When the intermediate keycap is depressed, the DOME piece is deformed and then contacts the PCB to turn on the printed circuit on the PCB to conduct the contact elastic piece.

Preferably, the key part further includes a fixing ring for fixing the rotation shaft.

Preferably, the intermediate keycap is fixed on the silica gel, and when the intermediate keycap is pressed, pressure is transmitted to the DOME piece through the silica gel.

Preferably, the contact elastic piece is connected to the PCB via a flexible printed circuit (FPC).

The present embodiment also provides a mobile terminal, which includes the mobile terminal key part.

In the mobile terminal key part of this embodiment, both the power key and the volume control key are provided at the central position of the rear of the terminal, the power key uses the DOME format, and the volume control is performed using a rotary disk rotation control system, The purpose of the volume control is achieved by pressing the micro switch during the rotation process using the handle on the handle.

The mobile terminal key part of the present embodiment is advantageous for protecting the microswitch because the pressure perpendicular to the surface of the rotating disk is not directly applied to the microswitch since the mobile terminal key part uses the rotary pressing method instead of the conventional direct pressing method. The operation of the power key is the same as that of the general DOME type key, but since the keycap is hidden under the volume key rotating disk plane, the power key can not be easily operated by a general erroneous operation, Reliability is improved.

1, the specific configuration of the mobile terminal key part includes the adjusting rotary disk 1, the intermediate keycap 2, the silica gel 3, the DOME piece 4, the PCB 5, A rotary shaft 6, a lever 7 and a stationary ring 8 (but not limited to, an E-shaped ring), a micro switch 9 (two A and B), an FPC 10, 11 (two) and a case 12 are included.

Among them, the PCB 5 is fixed to the lumen of the rotary shaft 6, and the DOME piece 4 is adhered and fixed on the PCB 5 by a thin film (not shown) thereon. The intermediate keycap 2 is adhered and fixed on the silica gel 3 and the intermediate keycap 2 and the adjusting and rotating disc 1 are fixed together. Can operate relatively independently. The E-shaped ring 8 in the figure is used to fix the rotary shaft 6. The micro switch 9 and the contact elastic piece 11 are welded on the main board PCB (not shown) through an SMT (Surface Mounted Technology) process. One end of the FPC 10 is adhered and fixed on the case 12 and the other end of the FPC 10 is connected to the PCB 5 through the PCB 10. The contact elastic piece 11 is connected to the PCB 5 through the FPC 10, (5).

Detailed operation of the mobile terminal key part of the present invention will be described as follows.

The lever 7 is rotated in a clockwise / anticlockwise direction with a small angle under the driving of the rotating shaft 6 to control the volume magnitude by controlling the operation of the two micro switches A and B, respectively. The driving force of the rotating shaft 6 is obtained by a user applying a force to the adjusting rotating disk 1 by hand.

Conductivity of the two contact elastic pieces 11 is achieved by turning on the circuit on the PCB 5 after the DOME piece 4 is pressed so that the human hand is able to press the intermediate keycap 2, The DOME piece 4 is deformed and approaches the PCB 5 until the printed circuit on the PCB 5 is turned on so that the contact elastic piece 11 is electrically connected Lt; / RTI >

The detailed description of the drawings and specific embodiments is intended to further clarify the features and spirit of the present invention, which are merely illustrative of preferred embodiments of the present invention and are not intended to limit the present invention. Among them, the so-called "power key "," volume control key "and the like are named as such, but the function thereof is not limited to the function of the power switch or the volume control switch. Therefore, it is intended that all modifications and variations of the present invention under the same inventive concept be within the scope of the present invention.

Industrial applicability

The key part of the mobile terminal provided in the embodiment of the present invention provides convenience for operating the key of the mobile terminal having the large screen with one hand, so that the erroneous operation rate is lowered and the reliability is improved.

Claims (9)

In a mobile terminal key component,
Wherein the key part includes an adjustable rotating disk, a rotating shaft, a lever, and a micro switch provided on a back surface of the mobile terminal;
The adjustment rotary disk is fixed on the rotary shaft and drives rotation of the rotary shaft and the lever when the adjustment rotary disk is rotated. The projection on the lever triggers the micro switch to be used for adjusting the volume of the mobile terminal. ;
The key part further includes an intermediate keycap and a metal dome array (DOME) piece, a printed circuit board (PCB), and a contact elastic piece sequentially disposed under the intermediate keycap, and is used for a power switch of a mobile terminal;
Wherein the intermediate keycap is positioned below the adjusting and rotating disc and is fixed on the rotating shaft independently of the adjusting rotating disc; The contact elastic piece is connected to the PCB through a flexible printed circuit board (FPC);
Wherein when the intermediate keycap is depressed, the metal dome array piece is deformed and then contacts the PCB to turn on the printed circuit on the PCB to conduct the contact elastic piece. The method according to claim 1,
Wherein the number of the micro switches is two. The method according to claim 1,
Wherein the micro switch is connected to a main board of the mobile terminal. The method according to claim 1,
Wherein the intermediate keycap is fixed on the silica gel, and when the intermediate keycap is pressed, pressure is transmitted to the metal dome array piece through the silica gel. The method according to claim 1 or 4,
Wherein the contact elastic piece is also connected to a main board of the mobile terminal. The method according to claim 1 or 4,
Wherein the key part further includes a fixing ring for fixing the rotation shaft. A mobile terminal comprising a mobile terminal key part according to any one of claims 1 to 4.
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KR1020157013015A 2012-10-18 2013-07-22 Mobile Terminal Key Component and Mobile Terminal KR101755959B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN 201220535506 CN203118837U (en) 2012-10-18 2012-10-18 Mobile terminal button assembly
CN201220535506.9 2012-10-18
PCT/CN2013/079819 WO2013182158A1 (en) 2012-10-18 2013-07-22 Mobile terminal key component and mobile terminal

Publications (2)

Publication Number Publication Date
KR20150070373A KR20150070373A (en) 2015-06-24
KR101755959B1 true KR101755959B1 (en) 2017-07-10

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JP (1) JP5961765B2 (en)
KR (1) KR101755959B1 (en)
CN (1) CN203118837U (en)
WO (1) WO2013182158A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6998644B2 (en) 2015-05-12 2022-01-18 株式会社アイホー Dishwashing equipment and dishwashing method
CN107395843A (en) * 2016-05-17 2017-11-24 中兴通讯股份有限公司 Mobile terminal
CN107395807B (en) * 2017-08-11 2019-11-19 维沃移动通信有限公司 A kind of mobile terminal
CN108615634A (en) * 2018-06-23 2018-10-02 深圳市沃特沃德股份有限公司 Start button component and intelligent terminal

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JP2005173740A (en) 2003-12-08 2005-06-30 Sony Ericsson Mobilecommunications Japan Inc Input device and portable terminal device

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JPH077617B2 (en) * 1989-10-12 1995-01-30 三洋電機株式会社 Switch switching device
JPH11305861A (en) * 1998-04-27 1999-11-05 Sony Corp Information inputting device
JP2000236376A (en) * 1999-02-16 2000-08-29 Denso Corp Portable telephone device
JP2004032548A (en) * 2002-06-27 2004-01-29 Alps Electric Co Ltd Mobile terminal
KR101113477B1 (en) * 2004-11-02 2012-06-27 엘지전자 주식회사 key input system of telematics and method thereof
KR100896055B1 (en) * 2007-01-15 2009-05-07 엘지전자 주식회사 Mobile terminal having a rotating input device and display method thereof
JP5133763B2 (en) * 2008-04-14 2013-01-30 大光電機株式会社 Switch device
CN201780908U (en) * 2010-06-24 2011-03-30 青岛海信移动通信技术股份有限公司 Key structure and portable mobile terminal

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Publication number Priority date Publication date Assignee Title
JP2005173740A (en) 2003-12-08 2005-06-30 Sony Ericsson Mobilecommunications Japan Inc Input device and portable terminal device

Also Published As

Publication number Publication date
WO2013182158A1 (en) 2013-12-12
KR20150070373A (en) 2015-06-24
JP5961765B2 (en) 2016-08-02
CN203118837U (en) 2013-08-07
JP2015532515A (en) 2015-11-09

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