JPH09187310A - Fastening structure for accessory - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a cover body from being suspended from a wrist by interlock with motion of an arm to freely oscillate by providing a push type fastening mechanism with a cover body locking mechanism which is detachably locked to a fastener main body in the condition where the cover body is turned to the other direction for exposing a pushbutton. SOLUTION: On inner side parts in the middle parts of both end wall parts 32 of a rotary cover 13, button containing recessed parts 34 are respectively formed. A lock pin 35 as an engagement/detachment side protrusion is fixed to the tip side on an inner surface of each end wall part 32. A cover body lock mechanism is composed of the lock pins 35, and a first and a second lock recesses 16, 17 provided on a surface plate 11. The rotary cover 13 is rotatably installed on the surface plate 11. In the condition where the rotary cover 13 is rotated to the side of a band connection part 9 of the surface plate 11, the lock pin 35 is detachably engaged with the second lock recess 17 on the surface plate 11. In the condition where the rotary cover 13 is turned to the side of a middle plate connection part 18, the lock pin 35 is detachably engaged with the first lock recess 17 on the surface plate 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clasp structure for accessories such as watch bands, bracelets and necklaces for wrist watches.

[0002]

2. Description of the Related Art By pushing a push button,
The push clasp mechanism that can release the engagement between the engaging part of the push button and the engaging part of the engaging member is rotatably supported on the outer side of the clasp main body, and the push button The clasp structure of an accessory having a rotating cover body capable of covering the inside is already known. As an example, the actual exploitation 59-
The Nakadome structure disclosed in Japanese Patent No. 16413 can be mentioned.

In this clasp structure, a frame body (rotating cover) having a recess on the inner side of the lower side is rotatably provided on the outer side of the clasp body with a spring rod as a rotation axis, and the frame body is pushed. When rotated toward the button, the push button can be housed in the recess of the frame. At this time, the convex portion provided inside the lower side of the frame body is pressed against the side surface of the clasp body, and thus the frame body is non-rotatably locked to the clasp body while covering the push button. .

[0004] The frame of the clasp structure prevents the push clasp mechanism from being disengaged by the push button being pressed by an unintended external force when the accessory is carried.
Therefore, it is possible to avoid a risk that the accessory is accidentally dropped from the wrist and the accessory is lost.

In particular, when the above clasp structure is used for a diver's wristwatch, the loss or loss of the wristwatch while the diver is diving threatens the life of the diver.
The Nakadome structure has a great effect.

[0006]

However, it is very inconvenient if the push button is always covered with the frame (rotating cover). This is because, in order to press the push button, it is necessary to first release the lock between the frame body and the clasp body and then rotate the frame body to expose the push button.
The push clasp mechanism has a technical value in that the engagement can be easily released by simply pressing the push button.
On the other hand, if the push button is always covered with the frame and cannot be pressed, the original technical value of the push clasp mechanism is lost.

That is, there is no need to cover the push button with the frame at all times. Normally, it is desired that the push button be exposed and can be pressed, and that the push button be covered and cannot be pressed only when the wearer considers it necessary. According to the previous example, it is desirable to cover the push button so that it cannot be pressed only when the diver is diving.

In view of the clasp structure disclosed in Japanese Utility Model Laid-Open No. 59-16413, the frame body can be locked to the clasp body when the push button is covered. However, when the push button is exposed, the frame body
The lock with the Nakadome main body is released, and it freely rotates around the spring rod.

Therefore, when the accessory is attached to the wrist and the push button is exposed, it is linked to the movement of the arm,
The frame hanging from the wrist freely swings, which not only makes it uncomfortable to wear, but also greatly damages the appearance of the jewelry, and also swings freely when the wearer tries to press the push button. The frame body that happens to cover the push button happens to cause a problem that the wearer cannot press the push button.

The present invention has been made by paying attention to the above problems, and an object of the present invention is to provide a cover body,
Not only does it hang from the wrist freely swinging in conjunction with the movement of the arm to improve the feeling of wearing, but it also does not spoil the appearance, and when the wearer tries to press the push button, It is an object of the present invention to provide a clasp structure for an accessory that can eliminate the problem that the freely swingable cover body happens to cover the push button and the wearer cannot press the push button.

[0011]

In order to achieve the above object, in the clasp structure of the accessory according to the invention of claim 1, the push button is pushed by a push operation of a push button protruding from the lateral side surface of the accessory. The clasp main body is provided with a push clasp mechanism capable of releasing the engagement between the engaging portion of the engaging member and the engaging portion of the engaging member, and the push clasp mechanism covers the push button by rotating in one direction. Providing a cover body that exposes the push button by rotating in the other direction,
A cover body locking mechanism for releasably locking the cover body to the push clasp mechanism to the clasp body of the push clasp mechanism in a state of pivoting in the other direction exposing at least the push button. It is characterized by being provided.

With this construction, after the accessory is fitted to the wrist and the engaging portion of the engaging member is engaged with the button side engaging portion to attach the accessory to the wrist, the cover body is pinched with the fingertips to cover the cover. Rotate the body in one direction to cover the push button with the cover to prevent unintended external force from acting on the push button.When removing the accessory from the wrist, grasp the cover with your fingertips. Then, the push button is turned to the other side by rotating in the other direction, and the push button is pushed to release the engagement of the engagement portion of the engagement member with the engagement portion of the push button.

Then, when the cover body is rotated in the other direction exposing the push button, the cover body is engaged and disengaged with the clasp body of the push clasp mechanism by the cover body locking mechanism. Since it is stopped, the cover body does not hang freely from the wrist in conjunction with the movement of the arm, and the wearing feeling is not only good, but also the appearance as accessory is not spoiled. . Also,
When the wearer tries to press the push button, the cover body that freely swings happens to cover the push button, and the problem that the wearer cannot press the push button can be solved.

In order to achieve the above object, the clasp structure of the accessory according to the invention of claim 2 is the clasp structure of the accessory according to claim 1, wherein the cover locking mechanism is provided.
The engaging / disengaging side projection is provided on either the inner surface of the cover body or the clasp main body, and the engaging recess provided on the other side is engaged with the engaging / disengaging side projection in a disengageable manner.

With this structure, when the cover body is rotated in the other direction in which the push button is exposed, the engagement / disengagement side projection is releasably engaged with the engagement recess, and the cover body is reciprocally engaged. Since the push clasp mechanism is detachably locked to the clasp body, the cover body does not hang from the wrist and freely swing in conjunction with the movement of the arm. Not only does it not damage the appearance of the accessory. Also, when the wearer tries to press the push button, the cover body that freely swings
It is possible to solve the problem that the push button is accidentally covered and the wearer cannot press the push button.

In order to achieve the above object, the clasp structure of the accessory according to the invention of claim 3 is the clasp structure of the accessory according to claim 2, wherein the engagement / disengagement side projection is a lock pin.

With this structure, when the cover body is rotated in the other direction in which the push button is exposed, the lock pin is releasably locked in the locking recess and the cover body is being pushed. Since it is detachably locked to the main clasp body of the clasp mechanism, this cover body does not hang freely from the wrist in conjunction with the movement of the arm, and the wearing feeling is improved. In addition, it does not spoil the appearance of the accessory. Also, when the wearer tries to press the push button, the cover body that freely swings
It is possible to solve the problem that the push button is accidentally covered and the wearer cannot press the push button.

Further, in order to achieve the above object, the clasp structure of the accessory according to the invention of claim 4 is the clasp structure of the accessory according to claim 2, wherein the engagement / disengagement side projection is of the cover body. A spring cylinder is inserted into a recess provided on either the inner surface or the clasp body, the spring and the ball are housed in the spring cylinder, and a part of the ball is opened by the spring. It is a ball click projecting outward from.

With this structure, when the cover body is rotated in the other direction in which the push button is exposed, the ball click is releasably locked in the locking recess and the cover body is being pushed. Since it is detachably locked to the main clasp body of the clasp mechanism, this cover body does not hang freely from the wrist in conjunction with the movement of the arm, and the wearing feeling is improved. In addition, it does not spoil the appearance of the accessory. In addition, it is possible to solve the problem that the cover body that freely swings covers the push button by accident when the wearer tries to press the push button, and the wearer cannot press the push button.

In order to achieve the above object, the clasp structure of the accessory according to the invention of claim 5 is the clasp structure of the accessory according to claim 1 or claim 2 or claim 3 or claim 4. The push clasp mechanism has a double push clasp structure.

With such a construction, not only the same operation as the operation of the inventions of claims 1 to 4 can be achieved, but also almost the same commercialization as that of the conventional clasp structure can be realized.

In order to achieve the above-mentioned object, the clasp structure of the accessory according to the invention of claim 6 is the same as that of claim 1 or claim 2 or claim 3 or claim 4 or claim 5. In the clasp structure, the push clasp mechanism is provided in the accessory structure in which the folding member has a plurality of folds.

With such a construction, not only the same operation as the operation of the inventions of claims 1 to 5 can be achieved, but also the commercialization of the conventional clasp structure can be realized.

In order to achieve the above-mentioned object, the clasp structure of the accessory according to the invention of claim 7 is the accessory of claim 1 or claim 2 or claim 3 or claim 4 or claim 5. In the clasp structure, the push clasp mechanism is provided in an accessory configuration in which the center folding member is a double door.

With this structure, not only the same effects as the effects of the inventions of claims 1 to 5 can be achieved, but also the commercialization of the conventional clasp structure is possible.

In order to achieve the above object, the clasp structure of the accessory according to the invention of claim 7 is the same as that of claim 1 or claim 2 or claim 3 or claim 4 or claim 5. In the clasp structure, the push clasp mechanism is provided in the accessory structure in which the center folding member is a single type.

With this structure, not only the same effects as those of the inventions of the first to fifth aspects can be achieved, but also the commercialization of the conventional clasp structure can be realized.

[0028]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings.

(First Embodiment) FIG. 1 is a perspective view showing a disassembled state of a clasp structure (first embodiment) of an accessory according to the present invention, FIG.
(1), (2), (3) are explanatory views of the folding operation of the watch band having the same clasp structure, and FIG. 3 is a plan view of the clasp structure in which the push button is hidden by the rotary cover.
FIG. 4 is a front view of the same clasp structure in which the push button is hidden by the rotary cover, and FIG. 5 is a cross-sectional view of the clasp structure in which the push button is hidden by the rotation cover.
FIG. 7 is a plan view of the same clasp structure in which the rotary cover releases the push button, FIG. 7 is a front view of the same clasp structure in which the push button is released, and FIG. 8 is a rotation cover of the same clasp structure. FIG. 6 is a cross-sectional view showing a state in which the push button is released.

An accessory to which the clasp structure of the accessory according to the present invention is assembled, for example, a timepiece band structure having a middle folding member 1 having a three-fold structure, includes an outer plate 3 having an engaging pin 2 as an engaging portion, The inner plate 4 is rotatably connected to one end of the outer plate 3, and a hole 4A is provided in an intermediate portion of the inner plate 4. It constitutes an engaging member.

The other end of the outer plate 3 is rotatably connected to the linking piece 5A at the end of the one watch band 5, and the end of the middle plate 4 is provided with the push clasp mechanism 6. A connecting pin 8A is connected to a middle plate connecting portion 8 of a front plate 11 constituting the clasp body, and a band connecting portion 9 of the front plate 11 is provided with a connecting piece 10A at the end of the other watch band 10. Connecting pin 10
B is connected. Also, the front plate 1 of the push clasp mechanism 6
1 is provided with a rotary cover 13 which is a cover body for covering a push portion of a push button described later. The engaging pin 2 has a shaft portion 2a and an umbrella portion 2b formed at the tip thereof.

The push clasp mechanism 6 includes the front plate 11
And a push button mechanism portion 12. The front plate 11 is formed by bending a plate material into a U-shaped cross-section, and the front plate 11 has the above-mentioned one end portions of both side surface portions 11A in the band widthwise direction of the front plate 11. The middle plate connecting portion 8 has the band connecting portion 9 at the other end.
Are provided respectively. A button through hole 14 and a spring rod locking hole 15 that is closer to the intermediate plate connecting portion 8 than the button through hole 14 are formed in the intermediate portion of both side surface portions 11A. First on the plate connecting portion 8 side
And a second locking recess 17 is provided at a position closer to the band connecting portion 9 side than the button through hole 14 of both side surface parts 11A. A cover groove 18 is formed in the lateral direction of the band on the surface portion of the front plate 11 at a position closer to the band connecting portion 9 side than the center.

On the back side of the front plate 11, the push button mechanism unit 12 which is unitized and located in the intermediate portion is fixed. The push button mechanism portion 12 has a box 19 having a size that fits on the back side of the front plate 11 and an engaging pin insertion hole portion (not shown) formed in the bottom portion thereof.
One and the other push buttons 20, 21 and two springs 22 are provided, and the inside of the box 19 is a push button loading portion 23 that is open at both sides in the band widthwise direction. As shown in FIG. 5, one push button 20 is inserted into the charging portion 23 from one end side, and the other push button 21 is inserted from the other end side.

One and the other push buttons 20, 21
Has a button body 24 having a push portion 24A formed at an end thereof. The button body 24 has a narrow portion 24B formed on the push portion 24A. The narrow portion 24B has a short band. An opening 25 that is long in the hand direction is formed, and an arc-shaped engaging portion 26 is formed on the front side of the opening 25.
An original side spring receiving portion 28 is formed on each of the front side of the button main body 24, a tip portion of the narrow portion 24B is formed as a front side spring receiving portion 29, and a band short portion is provided on the pushing portion 24A side of the button body 24. A guide hole 27 that is long in the hand direction is formed.

Then, between the original spring receiving portion 28 of one push button 20 and the front spring receiving portion 29 of the other push button 21, and between the front spring receiving portion 29 of one push button 20 and the other push. Springs 22 are respectively interposed between the button 21 and the original side spring receiving portion 28, and one and the other push buttons 20, 21 are separated from each other by the urging force of these springs 22, and one of the push buttons 20, 21 is separated. One retaining pin 30A is inserted into the guide hole 27 of the push button 20, and the other retaining pin 30B is inserted into the guide hole 27 of the other push button 21, respectively.

Then, one and the other push button 2
The engaging portions 26 of 0 and 21 face each other, and these constitute the button side engaging portion. Further, the push portions 24A of the push buttons 20 and 21 are the push button loading portions 2
3 penetrates the button through hole 14 and projects outward.

As shown in FIG. 1, the rotary cover 13 is formed in a U-shape in a plane following the shape of the front plate 11, and covers the cover surface portion 31 and the band width direction of the cover surface portion 31. Arm-shaped end wall portions 3 formed at both ends
2 and a claw hook portion 33 that protrudes outward (longitudinal direction of the band) is formed at a substantially central portion of the cover surface portion 31. Further, both end wall portions 32 are provided with a support shaft hole 32A on the base end side thereof, and a button accommodating concave portion 34 inside the middle portion thereof.
Are formed respectively, and these button storage recesses 34 are formed.
Is exposed at the lower edge 32b of both end wall portions 32. Further, a lock pin 35, which is an engagement / disengagement side projection, is fixed to the inner surface of the both end wall portions 32 at the tip side thereof. The lock pin 35 and the first and second locking recesses 16 and 17 provided on the front plate 11 constitute a cover locking mechanism.

The rotary cover 13 is rotatably attached to the front plate 11 by a spring rod 36 in a support shaft hole 32A on the base end side of both end wall portions 32 thereof. That is, the front plate 1
1. The end wall portion 3 of the rotary cover 13 is provided outside both side surface portions 11A of the rotary cover 13.
2 along each other, with the spring rod locking hole 15 of the side surface portion 11A and the support shaft hole 32A of the end wall portion 32 aligned, the pivot portions at both ends of the spring rod 36 provided in both side surface portions 11A. The rotary cover 13 is attached to the front plate 11 so as to be rotatable around the pivot portion 36A by penetrating the support shaft hole 32A through the spring rod locking hole 15.

Then, when the rotary cover 13 is rotated toward the band connecting portion 9 side of the front plate 11, the lock pin 35 causes the second locking recess 1 of the front plate 11 as shown in FIG.
7, the rotary cover 13 is engaged with the front plate 11 in a detachable manner.
In the state in which the lock pin 35 is rotated to the side of the middle plate connecting portion 8, the lock pin 35 causes the first locking recess 1 of the front plate 11 to move, as shown in FIG.
6. Engages with 6 in a detachable manner.

Next, the mounting and unmounting of the wristwatch having the watch band structure having the clasp structure constructed as described above will be described.

First, when the wristwatch is worn on the wrist, the middle plate 4 is folded into the middle plate 4 in the tri-fold structure and the engaging pin provided on the outer plate 3 is folded. 2 is inserted into the hole 4A of the middle plate 4 and the hole of the box 19 of the push clasp mechanism 6, and the engaging pin 2 is engaged with the button side engaging portion, that is, the one and the other push buttons 20, 21. Of the engaging portions 26 facing each other.

The engagement of the engagement pin 2 with the engagement portion 26 is as follows.
The umbrella portion 2b at the end of the engagement pin 2 pushes apart the engagement portions 26 of the one and the other push buttons 20 and 21 so as to separate them from each other in the lateral direction of the band, and the shaft portion of the engagement pin 2 is opened. One and the other push button 2 when 2a is inserted
This is performed by closing the engaging portions 26 of 0 and 21 by the urging force of the spring 22 and engaging with the shaft portion 2a of the engaging pin 2.

Next, after pinching the rotary cover 13 with a fingertip, the rotary cover 13 is raised to disengage the lock pin 35 from the first locking recess 16, and then the rotary cover 13 is rotated. The lock pin 35 is releasably engaged with the second locking recess 17 by covering the front plate 11, and the cover surface portion 31 of the rotary cover 13 is covered with the cover groove portion 1.
Insert in 8. In this case, both end wall portions 3 of the rotary cover 13
The push portions 24A of the push buttons 20 and 21 are inserted into the button storage recess 34 of the second push button portion 24A.
Cover up. Further, the claw hook portion 32 provided on the cover surface portion 31 projects from the cover groove portion 18 toward the surface portion of the front plate 11.

Therefore, since the pushing portion 24A of the push buttons 20 and 21 is covered with the rotary cover 13, unintended external force does not act on the push buttons 20 and 21. Therefore, the engagement between the engagement portion 26 and the engagement pin 2 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the fingernail is hooked on the hooking portion 32 provided on the cover surface portion 31 of the rotary cover 13, and the rotary cover 1
3, the lock pin 35 is removed from the second recess 17 for locking, then the rotary cover 13 is rotated in the opposite direction to the position away from the front plate 11 to move the lock pin 35 to the first position. The rotation cover 13 is positioned on the side of the middle plate connecting portion 8 of the front plate 11 by releasably engaging with the locking recess 16 of. Therefore, the button housing recess 3 of the rotary cover 13
The respective push portions 24A of the push buttons 20 and 21 hidden in 4 are exposed.

Then, the push portions 24A of the push buttons 20 and 21 are sandwiched between the thumb and the index finger and pushed inward, whereby the push buttons 20 and 21 are moved against the spring 22 to engage the push buttons 20 and 21. 26 is disengaged from the engagement pin 2 and the middle plate 4 is disengaged from the outer plate 3 to be expanded.

When the rotary cover 13 is rotated toward the middle plate connecting portion 8 of the front plate 11 so that the push buttons 20 and 21 are exposed, the lock pin 3 is rotated.
Since 5 is releasably locked in the second locking recess 17, the rotating cover 13 does not hang from the wrist and freely swing in conjunction with the movement of the arm,
Not only does it feel good to wear, but it does not impair the appearance as a watch band. In addition, the carry button 2
It is also possible to eliminate the problem that the freely rotatable rocking cover 13 accidentally covers the push buttons 20 and 21 when trying to press the buttons 0 and 21, and the wearer cannot press the push buttons 20 and 21. it can.

In the first embodiment of the clasp structure of the accessory of the present invention, both end wall portions 32 of the rotary cover 13 are provided.
Although the engagement / disengagement side protrusion provided on the inner surface of the lock pin 35 is constituted by the lock pin 35, it may be a ball click 40 as shown in (1) and (2) of FIG. In this ball click 40, a spring cylinder 37 is inserted into a recess 36 a provided on the inner surface of the end wall portion 32, and a spring 38 and a ball 39 are housed in the spring cylinder 37. Is projected outward from the opening 37A of the spring cylinder 37.

Further, as shown in FIG. 10, the ball click 40 has the first and second locking recesses 1 on the side surface portion 11A of the front plate 11 contrary to the clasp structure of the accessory shown in FIG.
6 and 17 may be provided at certain positions, and locking recesses 40 </ b> A may be provided on the inner surfaces of both end wall portions 32 of the rotary cover 13 so that the ball clicks 40 can be engaged and disengaged. The same applies to the lock pin 35.

(Second Embodiment) A second embodiment of the clasp structure of the accessory of the present invention is shown in FIGS. 11 to 14. In the case of the second embodiment of the clasp structure, a watch band structure having a middle folding member of a double door structure is used instead of the middle folding member of the middle clasp structure of the accessory of the first embodiment. Since other configurations are the same as the clasp structure of the accessory of the first embodiment, the same reference numerals are given and the description thereof will be omitted.

The center folding member 41 having a double-door structure has an outer plate 43 having an engagement pin 42 which is a center folding member side engagement portion.
One end of one middle plate 44 is pivotally attached to one end of the outer plate 43, and one end of the other middle plate 45 is pivotally attached to the other end of the outer plate 43. The other end of the one middle plate 44 is connected to the linking piece 5A at the end of the one watch band 5, and the other end of the other middle plate 45 is the front plate 11 of the push clasp mechanism 6. It is connected to the middle plate connecting portion 8 with a connecting pin 8A, and the connecting piece 10A at the end of the other watch band 10 is connected to the band connecting portion 9 of the front plate 11 with the connecting pin 9A.
Connected with A.

When the wristwatch is worn on the wrist, in the middle folding member having a double door structure, one middle plate 44 is folded to the outer plate 43 side and then the other middle plate 4 is folded.
5 is folded to the side of the outer plate 43, the engaging pin 42 provided on the outer plate 43 is inserted into the hole 19a formed in the box 19 of the push clasp mechanism 6, and the engaging pin 42 is inserted. Are engaged with the button side engaging portions, that is, the engaging portions 26 of the one and the other push buttons 20 and 21 facing each other.

Next, the rotary cover 13 is picked up with a fingertip, the rotary cover 13 is raised to remove the lock pin 35 from the first recess 16 for locking, and then the rotary cover 13 is rotated. The lock pin 35 is releasably engaged with the second locking recess 17 by covering the front plate 11, and the cover surface portion 31 of the rotary cover 13 is covered with the cover groove portion 1.
Insert in 8. In this case, both end wall portions 3 of the rotary cover 13
The push portions 24A of the push buttons 20 and 21 are inserted into the button storage recess 34 of the second push button portion 24A.
Cover up. Further, the claw hooking portion 33 provided on the cover surface portion 31 projects from the cover groove portion 18 toward the surface portion of the front plate 11.

Therefore, since the push portion 24A of the push buttons 20 and 21 is covered with the rotary cover 13, unintended external force does not act on the push buttons 20 and 21. Therefore, the engagement between the engagement portion 26 and the engagement pin 42 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the fingernail is hooked on the hooking portion 33 provided on the cover surface portion 31 of the rotary cover 13, and the rotary cover 1
3, the lock pin 35 is removed from the second recess 17 for locking, then the rotary cover 13 is rotated in the opposite direction to the position away from the front plate 11 to move the lock pin 35 to the first position. The rotation cover 13 is positioned on the side of the middle plate connecting portion 8 of the front plate 11 by releasably engaging with the locking recess 16 of. Therefore, the button housing recess 3 of the rotary cover 13
The respective push portions 24A of the push buttons 20 and 21 hidden in 4 are exposed.

Then, the push portions 24A of the push buttons 20 and 21 are sandwiched between the thumb and the index finger and pushed inward, whereby the push buttons 20 and 21 are moved against the spring 22 to engage the push buttons 20 and 21. 26 is removed from the engagement pin 42, and the middle plates 45 and 44 are removed from the outer plate 42.
Remove from and expand.

(Third Embodiment) A third embodiment of the clasp structure of the accessory of the present invention is shown in FIGS. In the case of the third embodiment of the clasp structure, a single lock type watch band structure is used in place of the tri-fold middle folding member in the clasp structure of the first embodiment.

As shown in FIG. 15, the single lock type watch band structure has one watch band 46 connected to one band attaching portion (not shown) of a wrist watch (not shown) and the other watch band. Of the other watch band 47 connected to the band attachment portion (not shown) of the push clasp mechanism 4
8 and a rotary cover 55 that is a cover body that is provided in the clasp main body 51 of the push clasp mechanism 48 and covers a push portion of a push button described later. A mounting rod 50 is attached to the pair of arm portions 47C of the linking piece 47A at the end portion of the other watch band 47.

The push clasp mechanism 48 includes the clasp body 51, a front plate 53 that is an engaging member having an engaging pin 52 that is an engaging portion, and a push button mechanism portion 54.

At one end of the clasp body 51,
One connecting piece connecting portion 51A connected to the connecting piece 46A of one watch band 46 is formed, and the other connecting piece connecting portion (hinge connecting portion) 51B is formed at the other end. Then, the Nakadome main body 51 is connected to the connecting piece connecting portion 5 on one side.
The 1A side is formed as a cover mounting portion a, and the other linking piece connecting portion (hinge connecting portion) 51B side is formed as a middle retaining frame portion b.

Then, a support shaft pin mounting hole 51C is provided at both ends of the cover mounting portion B of the clasp main body 51, and first and second contacts located on the left and right sides of the support shaft pin mounting hole 51C. Stop recesses 56A and 56B are formed. Further, the clasp frame portion (b) is formed with push button loading portions 57 extending along the lateral direction of the band, and both ends of the push button loading portion 57 are both end portions of the clasp body 51 in the lateral direction of the band. It is open to. Further, the front plate fitting recess 5 is formed on the surface of the clasp frame B.
8 is formed, and a hole 59 is formed at the center of the front plate fitting recess 58.

Further, in the push button loading portion 57, there are two retaining pins 60A, 60 diagonally positioned.
B is attached, and the front plate 53 is attached to the connecting piece connecting portion 51B of the clasp frame B via a hinge 61, and the front plate 53 is always extended by a torsion spring 62. Is urged by. The engaging pin 52 provided on the back surface of the front plate 53 has the umbrella portion 5 at the tip of the shaft portion 52a.
2b is formed.

The push button mechanism portion 54 is provided with one and the other push buttons 63 and 64 and two springs 66, and the one and the other push buttons 6 are provided.
Each of the buttons 3 and 64 has a button body 65 having a push portion 65A formed at its end as shown in FIG.
A notch 67 is formed on one side of the tip of No. 5, an arc-shaped engaging portion 68 is provided at the tip of the notch 67, and a stopper 69 is provided at the base of the notch 67. , And the button body 65 is formed with an original spring receiving portion 70 located on one side and a leading spring receiving portion 71 located on the other side.

The push button loading section 57 has a
One push button 63 is inserted from one end side, and the other push button 64 is inserted from the other end side, respectively, and the original side spring bearing portion 70 of the one push button 63 and the front side spring bearing of the other push button 64 are inserted. The spring 66 is interposed between the spring 71 and the portion 71 and between the front side spring receiving portion 71 of the one push button 63 and the original side spring receiving portion 70 of the other push button 64. The one and the other push buttons 63, 64 are separated from each other by the urging force of 66, and the stopper portion 69 of the one push button 63 has the one stopper pin 6
0A, the stopper portion 69 of the other push button 64 is in contact with the other retaining pin 60B.

Then, one and the other push button 6
The engaging portions 68 of 3, 64 are opposed to each other, and these constitute a button side engaging portion. In addition, the push portions 65A of the push buttons 63 and 64 are the push button insertion portions 5
7 It projects to the outside.

The rotary cover 55 is provided on one end surface of the cover mounting portion a in the lateral direction of the band (on the side where the push portion 65A of the push button 63 is located). That is, as shown in (1) and (2) of FIG. 17, the rotary cover 55 is provided with a strip-shaped cover body 55A that follows the shape of the side wall portion of the clasp main body 57. A support hole 75 is formed on the base end side, and a button housing recess 76 is formed inside the middle portion thereof, and the button housing recess 76 is cut out to the lower edge 55a of the cover body 55A. A lock pin 77, which is an engagement / disengagement side protrusion, is fixed to the inner surface of the cover body 55A on the base end side.

Then, at both end portions of the cover mounting portion a,
The rotation cover 55 is rotatably mounted by inserting and fixing a support shaft pin 78 inserted into a support hole 75 into the support shaft pin mounting hole 54.

Then, in the state where the button storage recess 76 of the rotary cover 55 is located at the cover mounting portion B, the lock pin 77 of the rotary cover 55 is locked by the first locking recess 56.
It is disengageably engaged with A.

Therefore, after the wristwatch is placed along the wrist, the mounting bar 50 at the end of the other watch band 47 is hooked on the front plate 53 connected to the clasp body 51, and in this state, the front plate The engagement pin 5 provided on the front plate 53 by folding the 53 and fitting the front plate 53 into the front plate fitting recess 58.
2 is inserted into the hole portion 59, and the engagement pin 52 is engaged with the button side engagement portion, that is, the engagement portions 68 of the one and the other push buttons 63 and 64 which face each other, and Put on your wrist.

The engagement pin 52 is engaged with the engagement portion 68 by the umbrella portion 52b at the end of the engagement pin 52, and a band is provided between the engagement portions 68 of the one and the other push buttons 63 and 64. When the shaft portions 52a of the engaging pins 52 are inserted and pushed apart so as to be separated from each other in the lateral direction, the engaging portions 68 of the one and the other push buttons 63 and 64 are engaged with each other by the spring 66.
It is performed by closing the shaft 52a of the engaging pin 52 by the urging force of the shaft.

Next, the rotary cover 55 is picked up with a fingertip, the rotary cover 55 is raised to disengage the lock pin 77 from the first locking recess 56A, and then the rotary cover 55 is rotated. , The push buttons 6 are pushed into the button receiving recesses 76 of the rotary cover 55.
5A is inserted to cover the pressing portions 65A, and the lock pin 77 is detachably engaged with the second locking recess 56B to cover the rotating cover 55 with the pressing portions 65A. Lock with.

Therefore, the push portion 6 of the push button 64 is
5A is covered by the rotating cover 55,
Unintentional external force does not act on the push button 64. Further, although the push button 63 can be pressed by an unintended external force, the push button 63
Only the pressing of only the engaging portion 68 and the engaging pin 52
Will not be disengaged. This is because the push button 64 maintains the engagement with the engagement pin 52. Therefore, the engagement between the engaging portion 68 and the engaging pin 52 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, a finger is hooked on the rotary cover 55 to cause the rotary cover 55 to disengage the lock pin 77 from the second locking recess 65B. The rotary cover 55 is rotated in the opposite direction to the above to move away from the front plate 53, and the lock pin 77 is releasably engaged with the first locking recess 56A to disengage the rotary cover 55. It is located at the cover mounting portion a of the retaining body 51. Therefore, each push portion 65A of the push button 64 hidden in the button storage recess 76 of the rotary cover 55 is exposed.

Then, the one and the other push buttons 6
One and the other push buttons 63, by pressing the push portions 65A of 3, 64 with the thumb and forefinger to push them inward,
By moving 64 against the spring 66, the space between the engaging portions 68 is opened to release the engagement with the engaging pin 52, the front plate 53 is opened to the outside, and the engaging pin 52 is opened. It is pulled out from the portion 59, and the mounting rod 50 is removed from the front plate 53.

Then, in a state where the rotary cover 55 is rotated so as to expose the push button 64, the lock pin 77 is disengageably engaged with the first locking recess 56A, This rotating cover 55 is attached to the Nakadome main body 51.
Since the rotary cover 55 is locked to the cover mounting portion a, the rotating cover 55 does not hang from the wrist and freely swing in conjunction with the movement of the arm, which not only improves the feeling of wearing but also the watch. It does not spoil the appearance as a band. Also, when the wearer tries to press the push buttons 63 and 64, the rotating cover 55 that freely swings accidentally covers the push button 64, which eliminates the problem that the wearer cannot press the push button 64. can do.

[0076]

As described above, according to the clasp structure of the accessory according to the invention of claim 1, the push button is pushed by the push operation protruding from the lateral side surface of the accessory to engage the push button. The clasp main body is provided with a push clasp mechanism that can release the engagement between the engaging portion and the engaging portion of the engaging member.
The push clasp mechanism is provided with a cover body that covers the push button by pivoting in one direction and exposes the push button by pivoting in the other direction, and the push clasp mechanism includes the cover body, By providing a cover body locking mechanism that releasably locks the clasp main body of the push clasp mechanism in a rotating state in at least the other direction in which the push button is exposed, the accessory can be placed along the wrist. After the engaging part of the engaging member is engaged with the button side engaging part and the accessory is attached to the wrist, the cover body is pinched with a fingertip, the cover body is rotated in one direction, and the push button is pushed by the cover body. To prevent unintended external force from acting on the push button, and when removing the accessory from the wrist,
Grip the cover with your fingertips, rotate it in the other direction to expose the push button, and push the push button to engage the engaging part of the engaging member with the engaging part of the push button. To release.

Then, when the cover body is rotated in the other direction to expose the push button, the cover body locking mechanism allows the cover body to be engaged with and disengaged from the clasp body of the push clasp mechanism. Since it is stopped, the cover body does not hang freely from the wrist in conjunction with the movement of the arm, and the wearing feeling is not only good, but also the appearance as accessory is not spoiled. . Also,
When the wearer tries to press the push button, the cover body that freely swings happens to cover the push button, and the problem that the wearer cannot press the push button can be solved.

Further, according to the clasp structure of the accessory according to the invention of claim 2, in the clasp structure of the accessory according to claim 1, the cover body locking mechanism is provided on the inner surface of the cover body or the clasp. Since the engaging / disengaging side projection is provided on one of the main bodies and the engaging recess is provided on the other side to engage and disengage the engaging / disengaging side projection, the cover body is pushed by When the button is rotated in the other direction in which the button is exposed, the engagement / disengagement side projection is releasably engaged with the engagement recess so that the cover body is detachably engageable with the clasp body of the push clasp mechanism. Since it is stopped, the cover body does not hang freely from the wrist in conjunction with the movement of the arm, and the wearing feeling is not only good, but also the appearance as accessory is not spoiled. . In addition, it is possible to solve the problem that the cover body that freely swings covers the push button by accident when the wearer tries to press the push button, and the wearer cannot press the push button.

From the above, it is needless to say that the cover body can cover the push button when the wearer thinks it necessary, for example, when the diver dives into the sea, and in the normal daily life, the push button can be covered. The cover body is locked to the clasp body with the body exposed, and the wearer can press the push button at any time, so that the clasp structure can be easily attached and detached.

As described above, according to the present invention, the wearer is
The clasp of the accessory equipped with the push mechanism can be selectively used depending on whether the push button is inconveniently pressed, or when the push button can be freely pressed when desired.

Further, according to the clasp structure of the accessory according to the invention of claim 3, in the clasp structure of the accessory according to claim 2, since the engagement / disengagement side projection is a lock pin,
In a state in which the cover body is rotated in the other direction in which the push button is exposed, the lock pin is releasably locked in the locking recess so that the cover body is attached to the clasp body of the push clasp mechanism. Since it is detachably locked, this cover body does not hang from the wrist and freely swing in conjunction with the movement of the arm, which not only improves the wearing feeling but also the appearance as an accessory. It doesn't hurt. Also,
When the wearer tries to press the push button, the cover body that freely swings happens to cover the push button, and the problem that the wearer cannot press the push button can be solved.

Further, in order to achieve the above object, the clasp structure of the accessory according to the invention of claim 4 is the clasp structure of the accessory according to claim 2, wherein the engagement-and-disengagement side projection is of the cover body. A spring cylinder is inserted into a recess provided on either the inner surface or the clasp body, the spring and the ball are housed in the spring cylinder, and a part of the ball is opened by the spring. By the ball click projecting outward from the ball click, the ball click is removably locked in the locking recess when the cover body is rotated in the other direction in which the push button is exposed. Since the cover body is removably locked to the clasp body of the push clasp mechanism, the cover body does not hang freely from the wrist in conjunction with the movement of the arm. , Wearing Not only is good, it does not damage the appearance of the jewelry. Further, it is possible to solve the problem that the cover body, which freely swings when the wearer tries to press the push button, happens to cover the push button and the wearer cannot press the push button.

According to the clasp structure of the accessory according to the invention of claim 5, in the clasp structure of the accessory according to claim 1, claim 2, claim 3 or claim 4, the push clasp mechanism. By the fact that it is both push Nakadome configuration,
Not only the same effects as the effects of the inventions of claims 1 to 4 can be obtained, but also almost the same commercialization as the conventional clasp structure can be realized.

Further, according to the clasp structure of the accessory according to the invention of claim 6, in the clasp structure of the accessory according to claim 1 or claim 2 or claim 3 or claim 4 or claim 5, The push clasp mechanism is provided in the accessory structure in which the middle folding member has a plurality of folds.
Not only can the same effects as the effects of the invention described above can be achieved, but also the commercialization of the conventional clasp structure can be realized.

Further, according to the clasp structure of the accessory according to the invention of claim 7, in the clasp structure of the accessory according to claim 1, claim 2, claim 3, claim 4, or claim 5, Since the push clasp mechanism is provided in the accessory structure in which the center folding member is a double door, not only the same effects as the effects of the inventions of claims 1 to 5 can be achieved, but also the clasp structure of the related art is almost the same. The same commercialization is possible.

Further, according to the clasp structure of the accessory according to the invention of claim 8, in the clasp structure of the accessory according to claim 1, claim 2, claim 3, claim 4, or claim 5, The push clasp mechanism is a single
Claim 1 provided by providing in the accessory structure which is a type.
~ Not only the same effects as the effects of the invention of claim 5 can be obtained, but also the commercialization of the conventional clasp structure is possible.

[Brief description of the drawings]

FIG. 1 is a perspective view of a clasp structure (first embodiment) of an accessory according to the present invention in an exploded state.

FIG. 2 (1), (2) and (3) are explanatory views of a folding operation of the watch band having the clasp structure.

FIG. 3 is a plan view showing the push-button covered with a rotary cover in the clasp structure.

FIG. 4 is a front view of the clasp structure in which the push button is covered with a rotary cover.

FIG. 5 is a transverse cross-sectional view showing a push button covered with a rotary cover in the clasp structure.

FIG. 6 is a plan view showing a state where the rotary cover releases the push button in the clasp structure.

FIG. 7 is a front view showing a state in which the rotary cover has released the push button in the clasp structure.

FIG. 8 is a transverse cross-sectional view showing a state in which the rotary cover has released the push button in the clasp structure.

FIG. 9 (1) is a clasp structure of an accessory according to the present invention,
It is a cross-sectional view of the structure provided with another cover body locking mechanism.
(2) is an enlarged view of part A of (1).

FIG. 10 is a cross-sectional view showing another embodiment of the cover body locking mechanism.

FIG. 11 is a perspective view of a clasp structure (second embodiment) of an accessory according to the present invention.

12 is a view from the direction B in FIG.

13 is a view from the direction C in FIG.

FIG. 14 is a view from the direction D in FIG.

FIG. 15 is a perspective view of a clasp structure of an accessory according to the present invention (third embodiment).

FIG. 16 is a cross-sectional view of the same clasp structure.

FIG. 17 (1) is a perspective view of the rotary cover as seen from the outside. (2) is a perspective view of the rotary cover as seen from the inside.

[Explanation of symbols]

 2 Engagement pin (engagement part) 5 One watch band 6 Push clasp mechanism 10 Other watch band 11 Front plate (engagement member) 13 Rotating cover (cover body) 20, 21 Push button 24A Push part 26 Engagement Department

Claims (8)

[Claims] 1. A clasp mechanism for retaining the push clasp which can release the engagement between the engaging portion of the push button and the engaging portion of the engaging member by the push operation of the push button protruding from the lateral side surface of the accessory. Provided to the main body, the push clasp mechanism is provided with a cover body that covers the push button by pivoting in one direction and exposes the push button by pivoting in the other direction. An accessory that includes a cover body locking mechanism that releasably locks the cover body to the clasp body of the push clasp mechanism in a state of rotating the cover body at least in the other direction in which the push button is exposed. Nakadome structure. 2. The engagement / disengagement side projection provided on either the inner surface of the cover body or the clasp body and the engagement / disengagement side projection provided on the other side of the cover body locking mechanism are disengageable. The clasp structure for an accessory according to claim 1, wherein the clasp is a locking recess that is locked to. 3. The clasp structure of an accessory according to claim 2, wherein the engagement / disengagement side projection is a lock pin. 4. The spring cylinder is inserted into a recess provided in either the inner surface of the cover body or the clasp body, and the spring and the ball are housed in the spring cylinder. The clasp structure according to claim 2, wherein the spring is a ball click in which a part of the ball is projected outward from the opening of the spring cylinder by the spring. 5. The clasp structure of the accessory according to claim 1, 2 or 3, or 4, wherein the push clasp mechanism has a double push clasp structure. 6. The clasp of the accessory according to claim 1, 2 or 3, or 4 or 5, wherein the push clasp mechanism is provided in an ornament structure having a plurality of middle folding members. Construction. 7. The clasp structure according to claim 1, 2 or 3, or 4 or 5, wherein the push clasp mechanism is provided in an ornament structure in which a center folding member is a double door. . 8. The accessory according to claim 1, wherein the push clasp mechanism is provided in an accessory configuration in which the center folding member is of a single type. Tome structure.