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Switch device

A switch device and contact technology, which is applied in the direction of electric switch, measuring device, adopting electric device, etc., can solve the problems of unsteady movement of the roller and large volume of the switch device, etc.

Inactive Publication Date: 2007-08-29
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, a switch device is provided to solve the problem of unsteady movement of the roller when the roller is pressed down
[0004] In addition, a switch device is provided to solve the problem of excessive volume of the switch device

Method used

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Embodiment Construction

[0011] Referring to FIG. 1 , a portable electronic device 10 includes a display screen 11 and a switch device 12 . The switch device 12 has a roller 13 and a button 14, the roller 13 can be rotated and pressed, and the button 14 can be pressed.

[0012] 2 to 4, the switch device 12 includes a decoder 15, a base 16, a housing 17, a soft board 20, and two contacts 18 on the soft board 20 in addition to the roller 13, 19. The roller 13 is installed in the roller cavity 25 on the base 16 through a first rotating member (a roller shaft in this embodiment) 31 . The base 16 is installed in the housing 17 through a second rotating member, the second rotating member is a short shaft 21 , the short shaft 21 cooperates with the shaft hole 34 to form a shaft hinge and the base 16 can rotate around the short shaft 21 . The shaft hinge can be replaced by other rotating structures such as bearings. The base 16 is also connected to the housing 17 through a sliding pair. The sliding pair in...

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PUM

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Abstract

This invention discloses a switch device including a trolley mounted on a base by a first rotating piece, the base is installed on a shell by a second rotation piece, said switch includes a contact point pressing the trolley, said base rotates with the second rotation piece as the pivot and the contact point is started up extruded by the base and the shell, when the trolley is pressed, the trolley and the base rotate smoothly at the same time without swashing.

Description

【Technical field】 [0001] The invention relates to a switch device, in particular to a switch device with rollers. 【Background technique】 [0002] Portable devices, such as mobile phones, PDAs, and e-books, usually use a scroll wheel module to select and execute function items. The wheel module can be rotated and pressed, and when rotated, different function items are selected, and when pressed, the selected function item is executed. Sometimes additional push buttons are added to the scroll wheel module to make the scroll wheel more functional. Generally speaking, these scroll wheel modules have the problems of large size and unstable movement when pressed. Such as U.S. Patent No. 6,862,459, which was announced on March 1, 2005, and its name is Switching Device (switching device). The switching device includes a roller, which is mounted on a base through a pair of bearings and can be Rolling and pressing, there are circuits and contacts in the base, which is mounted in a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H3/02H01H21/00H01H21/22G01B7/30G06F3/02
CPCH01H25/008G06F3/0362H01H2019/146
Inventor 叶得尧李模良
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD