Push-button structure and electronic machine and clock with the push-button structure

A button and structure technology, applied in the fields of button structures, electronic machines and timepieces, can solve problems such as difficulty in forming a good design, inability to reduce distance, etc., and achieve the effect of ensuring waterproofness, soft operating force, and slight operating force

Inactive Publication Date: 2003-10-01
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, since it is necessary to make the tube 2 and the button 3 sufficiently long, the problem is that the distance from the inner end to the outer end of the button 3, that is, the thickness of the button structure, cannot be redu

Method used

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  • Push-button structure and electronic machine and clock with the push-button structure
  • Push-button structure and electronic machine and clock with the push-button structure
  • Push-button structure and electronic machine and clock with the push-button structure

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0036] Figure 8 It is a schematic vertical cross-sectional view schematically showing the timepiece body 10 of the portable timepiece having the button structure of the present embodiment. Here, the left part of the dashed-dotted line in the center shows the cross section of the watch body at 12 o'clock and 6 o'clock, and the right part of the dashed-dotted line shows the cross section of the watch body at 3 o'clock. The timepiece body 10 has a case 11 ; a display window 12 mounted on the front side of the case 11 ; a back cover 13 mounted on the back side of the case 11 ; and a mechanism 14 accommodated inside the case 11 . The mechanism 14 includes: a display body 141 composed of a pointer, a liquid crystal panel, etc., a circuit board 142, and a power source 143 composed of a general battery, a chemical battery, a large-capacity capacitor, and the like.

[0037] The material of the shell 11 can be metal materials such as stainless steel, titanium alloy, gold alloy, and pl...

no. 2 example

[0054] Refer to the following image 3 , the second embodiment according to the present invention will be described. In the present embodiment, since the operating body 22 and the adapter ring 23 have the same structures as those in the first embodiment, corresponding parts are assigned the same symbols and their descriptions are omitted.

[0055] The tube 21 of the first embodiment is not installed in the casing 11', and the operating body 22 is directly inserted through the through hole 11a'. In the housing 11' itself, formed in the above-mentioned enlarged diameter recess 11A' are: a first surface 11b' composed of an annular plane facing the axial direction; and a second surface 11c' composed of a circular plane facing the radial direction. The inner surface of the cylinder is formed.

[0056] The elastic member 24' is composed of an outer end contact portion 24a', an intermediate portion 24b', and a sealing portion 24c'. Like the first embodiment, the outer end contact ...

no. 3 example

[0061] Refer to the following Figure 4 , to describe the button structure according to the third embodiment of the present invention. Since this button structure has substantially the same structure as the button structure of the above-mentioned second embodiment, the same parts are assigned the same symbols, and description thereof will be omitted.

[0062] This embodiment differs from the second embodiment described above in that the accommodating recessed portion 22c' of the operating body 22' having the shaft portion 22a' and the head portion 22b' faces inward and is formed with a larger width, and as a result, the elastic member 24' The outer end contact portion 24a' is separated from both the inner inner peripheral surface and the outer inner peripheral surface in the accommodation recessed portion 22c'. In this way, by making the outer end contact portion 24a' of the elastic member 24' contact the accommodating recessed portion 22c' with a margin on the inside and out...

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PUM

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Abstract

The invention provides a button structure, which can reduce the manufacturing cost by improving the composition of the functional parts of the button structure, and can also reduce the thickness at the same time. A pipe is fixed in the through hole of the casing, and the shaft portion of the operating body is slidably inserted through the pipe. A cylindrical elastic member is held between the head of the operating body and the pipe.

Description

technical field [0001] The present invention relates to a pushbutton structure and an electronic device and a timepiece having the pushbutton structure, in particular to a pushbutton structure suitable for use in portable clocks and watches and portable electronic devices requiring a waterproof structure. Background technique [0002] Conventionally, an electronic device such as a timepiece has a button structure in which an operation button is provided on a side surface of a housing (casing). This button structure is configured to move the operating body (button) in the direction of moving in and out relative to the housing. In the past, such as Figure 9 As shown, in order to ensure the waterproofness of the case, the button structure adopts the following mounting structure. [0003] Such as Figure 9 As shown, a cylindrical tube 2 is welded in a through hole 1a formed in the case 1, and a shaft portion 3a at the bottom of a button 3 as an operating body is slidably inser...

Claims

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Application Information

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IPC IPC(8): G04B37/10G04C3/00
CPCG04B37/106G04C3/001
Inventor 有川康夫平贺今夫大盐匠
Owner SEIKO EPSON CORP
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