JPS5833512B2 - Waterproofing device for the glass part of mobile watches - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a waterproofing device for the glass portion of a portable timepiece such as a wristwatch, and more particularly to a waterproofing device for the glass portion of a high-pressure waterproof timepiece such as a diving wristwatch.

The purpose of the present invention is to provide a portable watch such as a diving watch.
To obtain a portable timepiece device which ensures functional quality such as waterproofness without any problem even when subjected to external shocks and has high reliability over a long period of time.

Various types of waterproofing devices have been considered for the glass parts of mobile watches, but functional qualities such as high-pressure waterproofing, dynamic waterproofing, long-term waterproofing, and shock resistance can be ensured over a long period of time, such as in diving watches. There is no highly reliable waterproofing device for waterproof watches, and there has been a desire for a waterproofing device with excellent overall quality, including not only waterproofness but also shock resistance and durability.

The present invention comprehensively ensures the above-mentioned functional quality as a glass part waterproofing device for waterproof watches such as diving watches, and provides an extremely reliable waterproof watch that maintains high quality over a long period of time. be.

In the present invention, the glass is firmly fixed to the body with a screw ring through an L-shaped gasket made of synthetic rubber or soft synthetic resin, and the L-shaped gasket is tightened in both the radial and axial directions. By configuring the watch so as to have a high pressure resistance, a waterproof watch with excellent overall quality such as high-pressure waterproofness, dynamic waterproofness, and long-term waterproofness, shock resistance, and durability can be obtained.

The present invention will be explained in detail with reference to the drawings.
' is a body made of a highly corrosion-resistant metal material such as stainless steel or titanium that houses the movement 2, and a glass part seal made of synthetic rubber or soft synthetic resin that has an L-shaped cross section as a glass part waterproofing device. 3 is attached to the upper step 1a of the body 1.

After placing a glass 4 made of reinforced inorganic glass and having a step 4a on the outer periphery on the glass part packing 3, a ring-shaped glass protection ring 5 made of synthetic resin is placed on the glass step 4a, Threaded portion 1b provided above the prison unit
The glass fixing ring 6, which is a threaded ring made of a material with good corrosion resistance such as titanium or stainless steel, firmly tightens and fixes the glass 4 in the axial direction through the glass protection ring 5. is pressed in the axial direction between the lower surface of the glass 4 and the upper surface of the stepped portion of the body 10, so that the horizontal portion has a tightening margin, and the lower surface of the glass fixing ring 6 presses the vertical portion of the parasol 2 in the axial direction, so that the vertical portion The glass part gasket 2 is fixed with a radial interference between the outer circumferential part of the glass 4 and the inner circumferential wall of the shell 1 in the radial direction. .

7 is a dial ring (packing box component) made of synthetic resin or metal, and the glass part packing 3
When the glass fixing ring 6 is tightened, the glass 4 comes into contact with the upper surface of the dial ring, so that there is no gap in the vertical direction.

8 is a mechanical fixing gasket, 9 is a dial plate holder ring, 10 is a dial plate, and 11 is a rotating bezel.

With the above configuration, the packing box of the glass part is formed firmly in both the radial and axial directions, ensuring waterproofness against external impacts even when pressurized at tens of atmospheres or at high pressure, and can be used for short periods of time. It is possible to maintain high quality not only for the target but also for a long period of time.

Further, it is possible to sufficiently ensure not only dynamic waterproofing properties such as impact resistance but also long-term waterproofing properties and He gas resistance.

The present invention provides high-pressure waterproofing for waterproof watches such as diving watches by having a structure in which the glass part gasket having an L cross section is strongly tightened and fixed in the radial and axial directions by the screw engagement of the fixing ring. This product has comprehensively improved qualities such as durability, dynamic waterproofing, long-term waterproofing, impact resistance, and durability, resulting in an extremely safe and reliable waterproofing device, which is truly useful and has great practical effects. It is something.

[Brief explanation of drawings]

FIG. 1 is a partial vertical sectional view showing one embodiment of the present invention. 1... Body, 3... Glass part packing,
4...Glass, 5...Glass protection ring, 6...Glass fixing ring.

Claims (1)

[Claims] 1. A packing having an L-shaped cross section is placed on the side step, a packing box component is placed on the side step on the inner end side of the horizontal portion of the packing, and a glass is placed on the packing and the packing box component. The packing box component positions the glass in a downward direction, and a glass fixing ring that screws into the upper part of the side step tightens the glass in the axial direction to press the horizontal part of the packing in the axial direction. The glass fixing ring presses the vertical part of the packing in the axial direction, and the vertical part of the packing has a tightening allowance between the glass and the shell in the radial direction. Waterproofing device for the glass part of mobile watches.