JP2593757Y2 - Mobile watch case structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case structure of a portable watch such as a diver watch.

[0002]

2. Description of the Related Art As a case structure of a conventional portable timepiece of this type, there is a structure as shown in FIG. In FIG. 3, reference numeral 50 denotes a case main body, 51 denotes a register ring, and 52 denotes an elastic seal member.
And has a function of preventing entry of dust, dust, moisture, and the like, and a function of applying an appropriate rotational torque to the register ring 51.

The register ring 51 has a biting portion 53.
Is formed, and the biting portion 53 is connected to the case body 50.
And the register ring 51 is attached to the case main body 50 so as to be rotatably engaged with the engagement concave portion 54 thereof. A windshield 55 is incorporated in the register ring 51 via a packing 63, and a display unit 56 is formed on the surface of the windshield 55 by printing or the like.

A movement 57 is fixed to the case main body 50 by a middle frame 58. A dial 59 is provided on the movement 57, and a substantially character 60 is formed on the dial 59. . Reference numeral 61 denotes a back cover. The back cover 61 presses a packing 62 and is hermetically fixed to the case body 50.

[0005]

However, in the case structure of the above-mentioned conventional portable timepiece, the windshield 55
Since the display unit 56 is formed on the surface of the display unit by printing or the like, the display unit 56 may be soiled and may be worn. Further, there is a problem that it is impossible to form a logarithmic scale only with the display unit 56 on the surface of the windshield 55, and it is not possible to provide functions such as logarithmic calculation.

The biting portion 53 of the register ring 51 is press-fitted into the case main body 50, rotatably engaged with the engaging concave portion 54, and attached to the case main body 51.
Taking this press-fitting means imposes an excessive effort on the assembly of the parts, which imposes an unacceptable assemblability, and there has been a problem that the register ring 51 cannot be reliably prevented from coming off.

Further, the biting portion 53 of the register ring 51 is rotatably engaged with the engaging recess 54 of the case body 50 and is attached to the case body 50, and a vertical sealing is provided between the case body 50 and the register ring 51. There is a problem that the register ring 51 rattles and cannot be stably waterproofed and dust-proof because the elastic ring member 52 is interposed therebetween.

The present invention solves the above-mentioned problems, and a first object of the present invention is to provide a register ring.
It is an object of the present invention to provide a case structure of a portable timepiece that can surely assemble and prevent falling off .

A second object of the present invention is to provide a state in which the display unit is housed inside the windshield, so that not only the display unit is not stained but also there is no danger of wear and the like. Also, by rotating the register ring, the rotating dial ring can be rotated in the windshield,
By forming a logarithmic scale between the display units, not only can functions such as logarithmic calculation be provided, but also the register ring can be securely assembled and retained, and the dial and movement can be fixed. It is an object of the present invention to provide a case structure of a mobile watch that ensures the above.

[0010] A third object of the present invention is that the display unit is housed inside the windshield, so that not only the display unit is not stained but also there is no danger of wear and the like. In addition, by rotating the register ring, the rotating dial ring can be rotated within the windshield, not only can the register ring be securely assembled and prevented from coming off, but also the rattling of the register ring is prevented. It is an object of the present invention to provide a case structure of a portable timepiece that can perform stable waterproofing and dustproofing.

[0011]

Means for Solving the Problems In order to achieve the first object, the structure of the present invention has the following features as described in the claims for utility model registration. (1) That is, the feature of the configuration of the present invention is pulled out as described in claim 1 of the scope of claims, the fixed dial ring that is fixed to the "case body, registering is vertically The register ring is engaged so as not to do so. " ( 2 ) Further, in order to achieve the first object, the case structure of the present invention is characterized in that, as described in claim 2, the outer periphery of the fixed dial ring fixed to the case body and the inner periphery of the register ring are provided. Part is engaged ". Claim
According to any of the configurations described in 1 and 2, in the case structure of the portable timepiece of the present invention, the register ring is securely attached to the case body and securely prevented from falling off. ( 3 ) The case structure in the present invention is described in the claims.
As described in 3 , it is preferable that "provided with a rotary dial ring fixed to the register ring and rotated with the register ring". With such a configuration, a function such as logarithmic calculation can be provided by forming a logarithmic scale between the display portion of the rotating dial ring and the display portion of the fixed dial ring. ( 4 ) The case structure in the present invention is described in claim 4.
As described in above, it is preferable that "the flange contact portion of the register ring is slidably pressed from above and engaged with the flange portion of the fixed dial ring". With this configuration, the register ring is securely prevented from coming off from the case body. ( 5 ) The case structure in the present invention is described in claim 5
It is preferable that "the engagement means of the register ring and the fixed dial ring is shielded from the outside by the rotary dial ring" as described in (1). With such a configuration, the engagement means of the register ring and the fixed dial ring is not visible from the outside, so that the appearance of the case of the mobile watch can be beautiful. In addition, since the external force applied to the case of the mobile watch is unlikely to reach the engagement means between the register ring and the fixed dial, the register ring and the fixed dial are reliably prevented from coming off. ( 6 ) The case structure in the present invention is described in claim 6
Preferably, the register ring is engaged with the fixed dial ring below the rotary dial ring. With this configuration, the engagement means between the register ring and the fixed dial ring can be reliably shielded from the outside. ( 7 ) The case structure in the present invention is described in claim 7
As described in above, it is preferable that "the fixing means for fixing the fixed dial ring and the case body is shielded by the rotary dial ring". With this configuration, the engaging means between the fixed dial ring and the case main body is not visible from the outside, so that the appearance of the case of the mobile watch can be beautiful. And the external force applied to the case of the mobile watch,
Since it is difficult to reach the engagement means between the fixed dial ring and the case main body, the fixed dial ring and the case main body are securely fixed. ( 8 ) The case structure in the present invention is described in claim 8
As described in above, it is preferable that "the fixed dial ring is fixed to the case body below the rotary dial ring". With this configuration, the engagement means between the fixed dial ring and the case main body can be reliably shielded from the outside.

In order to achieve the second object, the constitution of the present invention is characterized in that, as described in claim 9 , the register ring includes a step portion of the register ring and a windshield. Fix the rotating dial ring provided with the display unit by sandwiching it, place this rotating dial ring inside the windshield, fix the fixed dial ring to the case body,
The display part of the rotating dial ring and the display part of the fixed dial ring are placed next to each other, and the flange part of the fixed dial ring slidably presses the flange abutment part of the register ring from above, and the fixed dial ring surrounds the periphery of the dial. And the periphery of the movement.

[0013] In order to achieve the third object, a structural feature of the present invention is that the register ring includes a step portion of the register ring and a windshield as described in claim 10. Fix the rotating dial ring provided with the display unit by sandwiching it, place this rotating dial ring inside the windshield, fix the fixed dial ring provided with the display unit on the case body, and the flange of the fixed dial ring The flange ring contact part of the register ring is slidably pressed from above, and an elastic seal member for radial sealing and an elastic seal member for vertical sealing are interposed between the case body and the register ring. is there.

[0014]

According to one of the first and second aspects of the present invention, even when an external force is applied to the case body, the external force is unlikely to reach the fixed dial, so that the fixed dial is hardly deformed. Therefore, even if an unintended external force is applied to the case main body, it is possible to provide a register ring that is unlikely to come off from the case main body and always rotates stably.

According to the ninth aspect of the present invention, the display unit is housed inside the windshield, so that the display unit is not only dirty and there is no fear of wear or the like. By rotating, the rotating dial can be rotated in the windshield, and by forming a logarithmic scale between both display portions, it is possible to have functions such as logarithmic calculation and the like, as well as press-fitting means. Since no steps are taken, the assembling is simplified, the register ring can be securely prevented from coming off, and the dial and the movement are securely fixed.

According to the tenth aspect of the present invention, the display unit is housed inside the windshield, so that not only the display unit is not stained but also there is no fear of wear and the like, and the register ring is rotated. By doing so, the rotating dial ring can be rotated in the windshield, so that assembling is simplified because no means such as press fitting is taken, and the register ring can be reliably prevented from coming off. Also,
Waterproofing and dustproofing in the radial direction and vertical direction are ensured, and the flange portion slidably presses the flange contact portion from above, and the register ring is pressed through the presser of the flange portion and the elastic seal member. With this support, rattling of the register ring is prevented, and stable waterproofing and dustproofing can be performed.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a portable timepiece having a case structure according to the present invention, and FIG. 2 is a sectional view taken along the line AA of FIG. In the drawings, reference numeral 1 denotes a case body having a flat annular shape. On the upper surface of the case body 1, a ring mounting surface portion 2 is located inside and a seal receiving surface portion 3 for radial sealing is located in the middle. However, a seal receiving surface portion 4 for vertical sealing is formed on the outer side thereof, and a seal receiving surface portion 3 for radial sealing is a flat annular convex portion formed on an upper surface portion of the case main body 1. The seal receiving surface 4 for sealing in the vertical direction is formed on the upper surface of the projection 5. A screw hole 6 is formed in the ring mounting surface 2.

Further, a side pipe member mounting portion 7 is formed on the outer peripheral portion of the case main body 1, and a pipe insertion hole 8 is formed at the bottom of the side pipe member mounting portion 7 so as to pass through the inner peripheral side. . A packing receiving portion 9 is formed inside the lower surface portion of the case main body 1, and a screw portion 10 is formed below the inner peripheral portion of the case main body 1.

In the drawings, reference numeral 11 denotes a register ring.
In the outer peripheral portion of the ring main body 12, a number of grooves 13 extending in the vertical direction are formed at predetermined intervals in the circumferential direction. Also, the upper and lower two
A step portion of the step is formed, and the upper step portion is the ring receiving portion 14.
The lower step portion is formed as the flange contact portion 15.
The upper part of the ring receiving part 14 is a packing receiving part 14a. A seal groove 16 for radial sealing and a seal groove 17 for vertical sealing are formed in the lower surface of the ring body 12. In the drawing, reference numeral 18 denotes a rotating dial ring, and the rotating dial ring 18 is a flat annular ring main body 18.
a display unit 20 having a scale 19 formed along the circumferential direction is formed on the ring main body 18a.
A mounting portion 21 is formed on the outer peripheral portion of the ring main body 18a, and the display portion 20 has an inclined surface inclined downward with respect to the mounting portion 21.

In the drawings, reference numeral 22 denotes a fixed dial ring. The fixed dial ring 22 is a flat annular ring main body 22.
a display unit 24 having a scale 23 formed along the circumferential direction on the inner peripheral side of the upper surface of the ring main body 22a.
A flange 25 is formed on the outer peripheral side of the upper surface of the ring main body 22a.
A groove 26 is formed between the two. A mounting portion 27 is formed on the lower surface of the ring main body 22a, and two upper and lower steps are formed on the inner peripheral side of the mounting portion 27.
The upper step is a dial holding part 28, and the lower step is a movement contact part 29. A groove 43 is formed on the upper surface of the ring main body 22a along the radial direction, avoiding the display section 24, and the screw insertion hole 30 is formed at the bottom of the groove 43.

An elastic seal member 31 for radial sealing is interposed between the seal receiving surface 3 of the case body 1 and the seal groove 16 of the register ring 11, and
Seal receiving surface 4 and seal groove 1 of register ring 11
The register ring 11 extends along the case body 1 with an elastic sealing member 32 for vertical sealing between the case body 7 and the fixing dial ring 22 along the upper surface of the case body 1 and the mounting portion 27 of Is applied to the ring mounting surface 2 of the case body 1, the flange 25 is applied to the flange contact portion 15 of the register ring 11, a screw 33 is inserted into the screw insertion hole 30, and the screw 33 is attached to the case body 1. Screw hole 6
The fixed dial ring 22 is fixed to the case body 1 by tightening the screw 33, and the flange 2
5 slidably presses the flange contact portion 15 from above, and the register ring 11 is rotated by the case body 1 by the pressing of the flange portion 25 and the support of the convex portion 5 via the elastic seal members 31 and 32. Mounted as possible. Thus, the case
Register on fixed dial ring 22 fixed to body 1
When the ring 11 is engaged, the case body 1 is
A Stirling 11 is rotatably mounted. Regis
The tarring 11 is raised by a fixed dial ring 22.
From the case body 1
It is attached so that it does not come off. That is, fixed look back
The collar 25 that is the outer periphery of the ring 22 is
The flange contact portion 15 which is the inner peripheral portion of the bracket 11 can be slid from above.
It is engaged so as to press. At this time, FIG.
As shown, the flange 25 of the fixed dial ring 22 and the register
The collar contact portion 15 of the Stirling 11 is
18 below. Therefore, register ring 1
1 and a flange contact portion 1 as an engagement means of the fixed dial ring 22
5 and the flange 25 are rotated outward by the rotating dial ring 18.
From the upper surface side of the case body 1
It is shielded from being seen through. In addition, fixed return
The screw 33 for fixing the ring 22 to the case body 1 is
It is arranged below the return ring 18. Therefore, fixed return
Screw 3 which is a means for fixing the ring 22 to the case body 1
3 from the outside, in particular by a rotating dial ring 18,
Visible through the windshield 35 from the top side of the case body 1
Not shielded.

A movement 4 is provided in the case body 1.
4 and a dial 45 are accommodated, and a back cover 47 is fixed to the back side of the case body 1 via a packing 46 by screwing in. A dial holding portion 28 of the fixed dial ring 22 is provided. The peripheral portion of the dial 45 is pressed, and the movement pressing portion 29 presses the peripheral portion of the movement 44.

Also, the mounting portion 21 of the rotary dial ring 18 is brought into contact with the ring receiving portion 14 of the register ring 11, and the packing 36 is arranged along the packing receiving portion 14a above the ring receiving portion 14 to incorporate the windshield 35. As a result, the peripheral surface 35a of the windshield 35 is
6, the rotary dial ring 18 is fixed to the register ring 11, and the rotary dial ring 1
8 is a display unit 2 of the fixed dial ring 22.
4, the surface of the display unit 24 is located on the extension of the surface of the display unit 20.

The side pipe member mounting portion 7 of the case body 1
A side pipe member 37 is inserted into the pipe insertion hole 8 of this embodiment, and a push button 38 is inserted into the side pipe member 37 via an elastic seal member 39. A stop ring 40 is attached to the inner end of the push button 38, and the stop ring 40 is in contact with the inner end of the side pipe member 37. A recess 41 is formed on the outside of the side pipe member 37 so as to press the head 38a of the push button 38, and a washer contact surface 41 is formed at the bottom of the recess 41.
a is formed, and a washer 42a is brought into contact with the washer abutting surface portion 41a.
Rubber 4 between the head and the head 38a of the push button 38
2 are provided.

Next, the operation of the above embodiment will be described.

As described above, the register ring 11
Attachment part 21 of rotation dial ring 18 to ring receiving part 14 of
, And the packing receiving portion 1 above the ring receiving portion 14.
The packing 36 is arranged along 4a, and the windshield 35 is incorporated. By pressing the peripheral surface 35a of the windshield 35 against the packing 36, and the rotating dial ring 18 is fixed to the register ring 11, By rotating the register ring 11, the rotating dial ring 18 can be rotated together with the windshield 35.

The display unit 2 of the rotary dial ring 18
0 is arranged on the display section 24 of the fixed dial ring 22 with a slight gap, and extends over the extension of the surface of the display section 20.
Since the surface is located at a position, a function such as logarithmic calculation can be provided by forming a logarithmic scale on both display units 20 and 24.

Also, a return ring 2 fixed to the case body 1 is provided.
2 is fixed, so that the flange contact portion 15
Is slidably pressed from above, so that no means such as press-fitting is required, so that assembly is simplified, and the register ring 1
1 can be reliably prevented, and at the same time, the dial 4
5 can be held down, and the movement holding portion 29 can hold down the periphery of the movement 44.

The seal receiving surface 3 of the case body 1
An elastic seal member 31 for radial sealing is interposed between the seal ring 16 and the seal groove 16 of the register ring 11, and the seal receiving surface 4 and the seal groove 17 of the register ring 11 are provided.
Since the register ring 11 is incorporated in the case main body 1 with an elastic sealing member 32 for vertical sealing therebetween, waterproof and dustproof in the radial and vertical directions are ensured. Further, the flange 25 is formed of the flange contact portion 15.
The register ring 11 is slidably pressed from above so that the register ring 11 presses the flange 25 and the elastic seal members 31, 3 of the projection 5.
Since the register ring 11 is rotatably attached to the case main body 1 by the support via 2, the rattling of the register ring 11 is prevented, and stable waterproofing and dustproofing can be performed.

[0030]

[Effects of the Invention] As described above , according to the present invention,
Register ring is securely assembled to the case body
And it is securely stopped.

According to the present invention, a rotating dial ring provided with a display portion is fixed to the register ring by being sandwiched between the step portion of the register ring and the windshield, and the rotary dial ring is arranged inside the windshield. Then, fix the fixed dial ring provided with the display unit on the case body, the display unit of the rotating dial ring and the display unit of the fixed dial ring are next to each other, and the collar contact portion of the register ring is fixed with the flange of the fixed dial ring. As it slidably pressed from the top and the fixed dial ring pressed the periphery of the dial and the periphery of the movement,
The display unit is housed inside the windshield, and the display unit is not contaminated, and there is no danger of wear and tear.
By rotating the register ring, the rotating dial ring can be rotated in the windshield, and by forming a logarithmic scale between both display units, it is possible not only to have functions such as logarithmic calculation, but also to press-fit etc. Because it does not take the means of the above, the assembly becomes easy, the retaining of the register ring can be reliably performed, and at the same time,
The dial and movement are secured securely.

In addition, the present invention incorporates a rotating dial ring provided with a display portion into a register ring, arranges the rotary dial ring inside the windshield, and forms a fixed dial ring provided with a display portion on the case body. It is fixed, and the flange contact portion of the register ring is slidably pressed from above by the flange portion of the fixed dial ring, and an elastic sealing member for radial sealing and a vertical sealing between the case body and the register ring. The display unit is housed inside the windshield, so that the display unit is not only dirty, there is no risk of wear and the like, and the register ring is rotated. This allows the rotating dial ring to be rotated in the windshield, simplifies assembly without taking measures such as press fitting, and removes the register ring. It is possible to perform the stop reliably. In addition, the waterproof and dustproof in the radial direction and the vertical direction are ensured, and the flange portion presses the flange contact portion slidably from above, and the register ring presses the presser of the flange portion and the elastic seal member. With the support through, the backlash of the register ring is prevented, and stable waterproofing and dustproofing can be performed.

[Brief description of the drawings]

FIG. 1 is a plan view of a portable timepiece having a case structure according to the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG. 1;

FIG. 3 is a partially omitted cross-sectional view of a case structure of a conventional portable timepiece.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case main body 2 Ring attachment surface part 11 Register ring 15 Flange contact part 18 Rotating dial ring 20 Display part 22 Fixed dial ring 24 Display part 25 Flange part 35 Windshield

Claims (10)

(57) [Scope of request for utility model registration] 1. The method according to claim 1, wherein the register ring is engaged with a fixed dial ring fixed to the case body so that the register ring does not come off in the vertical direction, and the register ring is rotatably attached to the case body. The case structure of a mobile watch. 2. An outer peripheral portion of a fixed dial ring fixed to a case main body and an inner peripheral portion of a register ring are engaged with each other, so that the register ring is rotatably attached to the case main body. Mobile watch case structure. 3. A fixed to the registering, the watch case structure according to claim 1 or 2, provided with a rotary dial ring which rotates together with the registering. 4. The case structure of a portable timepiece according to claim 1, wherein the collar portion of the register ring is slidably pressed from above and engaged with the collar contact portion of the register ring by the collar portion of the fixed dial ring. . 5. The case structure of a portable timepiece according to claim 3 , wherein the engagement means between the register ring and the fixed dial ring is shielded from being viewed from the outside by the rotary dial ring. 6. Below the rotating dial ring,
The case structure of the portable timepiece according to claim 5 , wherein the register ring is engaged with the fixed dial ring. 7. The case structure of a portable timepiece according to claim 3 , wherein the fixing means for fixing the fixed dial ring and the case body is shielded from being viewed from the outside by the rotary dial ring. 8. Below the rotary dial,
The case structure of the portable timepiece according to claim 7 , wherein the fixed dial is fixed to the case body. 9. A case body is fixed to a register ring, a rotating dial ring provided with a display portion sandwiched between a step portion of the register ring and a windshield, and the rotary dial ring is disposed inside the windshield. The fixed dial ring with the display section is fixed, the display section of the rotating dial ring and the display section of the fixed dial ring are next to each other, and the flange of the fixed dial ring slides the flange contact portion of the register ring from above. The case structure of a portable watch, wherein the case is held down as much as possible and the periphery of the dial and the periphery of the movement are held down by a fixed dial ring. 10. A rotating ring having a display portion sandwiched between a step portion of the register ring and a windshield is fixed to the register ring, and the rotating dial is disposed inside the windshield, and a case body is provided. The fixed dial ring provided with a display section is fixed, and the flange contact portion of the register ring is slidably pressed from above by the flange of the fixed dial ring, and a radial seal is provided between the case body and the register ring. A case structure of a portable timepiece, wherein an elastic seal member for use in the vertical direction and an elastic seal member for vertical sealing are interposed.