JPS596475Y2 - Waterproof structure of watch switch part - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a waterproof structure for the switch section of a digital wristwatch that has a built-in memory circuit for a calculator, world time, numbers, letters, etc.

Wristwatches with multipurpose functions generally have a large number of buttons installed on the face of the watch, and various functions of the watch can be operated by operating each button.

Conventional watches of this type typically have a large number of buttons, button springs, button packings, and other parts of various types, which has the drawback of increasing costs.

The present invention eliminates such drawbacks by providing a switch frame on a switch base, further mounting a switch terminal frame made of conductive elastic material such as conductive rubber on the switch frame, and connecting the switch base and the switch terminal frame. The switch structure is made up of two parts, and the elasticity of the material in the switch terminal frame is used to operate the switch, and the elasticity of the material is used to compress and fix it to keep it waterproof.Buttons, button springs, button packings, etc. The present invention relates to a waterproof structure for a switch section of a wristwatch that reduces costs without using a large number of different types of parts.

The present invention will be explained below with reference to the drawings.

FIG. 1 shows a partially assembled cross-sectional view of a switch section of a watch showing an embodiment of the present invention.

A switch frame 3 is provided on the upper surface of a switch base 2 that is separate and independent from the module main body 1, and a switch frame/L-shaped stepped part 3-a is provided on the outer periphery of the switch frame 3, and a switch frame L-shaped switch frame is provided on the glass part. It has a shape with stepped parts 3-b, and switch frame holes 3-C are provided in the upper part.

Further, a switch terminal frame 4 made of a conductive elastic member is mounted on the upper surface of the switch frame 3, and switch terminal frame L-shaped stepped portions 4 to a are provided on the outer periphery of the switch terminal frame 4. The shape of the switch terminal frame type stepped portions 4-b is provided in the section, and switch terminal frame protrusions 4-C protrude from the positions of the switch frame holes 3-C and are brought close to the switch base 2.

When the switch frame L-shaped stepped portions 3-b and the switch terminal frame/L-shaped stepped portions 4-b are engaged, the glass 5 is press-fitted to connect the outer diameter of the glass 5 with the switch frame/L-shaped stepped portion. Switch frame 1 type stepped portion 4~ of the conductive elastic member sandwiched between 3~b
b is compressed and fixed by the frictional force, and is kept waterproof.

On the other hand, the switch terminal frame L-shaped stepped part 4 - a installed on the outer periphery of the switch frame L-shaped stepped part 3 - a is a glass edge installed on the upper outer periphery of the switch board 2 and the outer periphery of the switch terminal frame 4 . The lower surface of the glass edge 6 is compressed to maintain waterproofing, and the outer circumferential portion of the glass edge 6 and the inner circumferential portion of the body 7 are engaged and fixed.

Printed wiring is applied to the top surface of the switch board 2.
Wiring is converged from the lower surface of the switch terminal frame L-shaped stepped portion 4 to a and from the lower surface of the switch terminal frame/L-shaped stepped portion 4 to C to the connector 8 attached to the switch board 2, respectively, and is connected to the module main body. 1.

By pressing the switch terminal frame protrusions 4 to C with a finger from above, the switch terminal frame protrusions 4 to C, which are conductive and elastic members, are deformed and come into contact with the switch board and are connected. .

Moreover, when the pressing force with a finger is removed, the switch terminal frame protrusions 4 to C are restored by the elastic force, and the switch base 2
means that the power is cut off.

However, by installing the switch frame 3 and the switch terminal frame 4, a large number of various parts such as buttons, button springs, button packings, etc. that were conventionally used are no longer required, which not only reduces costs but also facilitates assembly and disassembly. The effect is tremendous.

[Brief explanation of drawings]

FIG. 1 is an assembled partial sectional view of a switch section of a wristwatch showing an embodiment of the present invention. 1...Module body, 2...Switch base, 3...Switch frame, 4...Switch terminal frame, 5...Glass, 6...
Glass edge, 7...Body, 8...Connector, 9...Battery, 10...Battery cover, 1
1... Battery cover gasket, 12... Middle frame, 13... Bottom cover gasket, 14...
... Urabuta, 15... Closeout frame.

Claims (1)

[Scope of utility model registration request] In a watch switch structure arranged adjacent to a watch glass, a switch frame having an L-shaped stepped part on the lower edge and at least one or more holes in the upper direction is installed on the switch base. and on the switch frame,
Equipped with a switch terminal frame made of a conductive elastic member, which has an L-shaped stepped part on the lower edge of the watch body side, a 1-shaped stepped part on the glass side, and a protruding part in the hole provided on the switch frame. At the same time, the 1-type stepped portion of the switch terminal frame is engaged with the L-shaped stepped portion of the switch frame to press-fit and fix the glass and maintain it waterproof;
and the L-shaped part provided on the outer periphery of the switch terminal frame is compressed by the upper surface of the outer periphery of the switch base and the lower surface of the glass edge disposed on the outer periphery of the switch terminal frame, and the glass edge and the body are fixed and waterproofed. A waterproof structure for a wristwatch switch section, which is characterized by: