JPH1057123A - Fastner structure for accessory - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide fastner structure with which the number of parts is reduced by unnecessitating a frame body, design can be improved and further, buttons can be operated for required quantity. SOLUTION: On the outer surfaces of side wall parts 12 on both the sides of an fastner main body 10 in the breadthwise direction of band, three- dimensional inclined recessed parts 13 are formed at central parts while spreading in the sectorial form like skirt from the side of corner part in contact with the surface part of the fastner main body 10 and while inclining from the side of corner part to the side of terminal part of side wall part 12. Then, button lead-out ports 14 positioned inside the inclined recessed parts 13 are formed at the side wall parts 12 on both the sides of the inner holding main body 10, and the pressing parts of one and other push buttons 19 and 20 are protruded from the button lead-out ports 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clasp structure used for an accessory worn around a wrist such as a wristwatch band or a bracelet.

[0002]

2. Description of the Related Art As a conventional clasp structure of this kind of accessory, the pressing portions of one and the other push buttons are pushed inward to open and engage the respective engaging portions of the one and the other push buttons. A structure including a clasp body having a push button mechanism for releasing engagement with a member is generally used. In addition, the one having a push button, and having a clasp body having a push button mechanism for releasing the engagement between the engaging portion of the push button and the engaging member by pushing the push button inward. There is also.

[0003] In the case of the clasp structure of such accessories, button outlets are formed at both ends in the transverse direction of the accessory of the clasp body, and the pressing portions of one and the other push buttons are formed from these button outlets. It was protruding.

However, if the pressing portions of the one and other push buttons protrude (project) from both ends of the clasp main body in the short direction of the accessory, the pressing portions of the push buttons hit the object when the accessory is carried. In some cases, one or the other push button may be pressed, and the jewelry may fall off the wrist without being noticed and be lost.

[0005] In order to prevent such a loss and loss accident, for example, as disclosed in Japanese Utility Model Publication No. Sho 61-42405, a frame is rotatably mounted on the outside of a clasp body by a spring bar, and A concave portion is provided inside the lower side, and the frame body is overlapped with the clasp body, so that the pressing portions of one and the other push buttons are inserted into the concave portion, and when the accessory is carried, the one and the other push buttons are pressed even if they hit an object. There was something that was not pushed.

[0006]

However, in the above-mentioned conventional clasp structure, when the accessory is removed, the frame must be manually lifted, so that the operation is troublesome and the engaging member and the engaging member cannot be removed. It does not make much sense to be able to release the engagement of the one and the other push buttons with the engagement part with one touch. In addition, there is a possibility that the frame body may be rotated due to vibration or the like during use, and regulation of the push button may be lost, and there is also a problem in appearance design.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to eliminate the need for the frame provided in the conventional clasp structure of an accessory, and to reduce the number of parts. It is an object of the present invention to provide a clasp structure of an accessory that can not only reduce the number of designs but also improve the design and enable a required amount of button operations.

[0008]

In order to achieve the above-mentioned object, a clasp structure for an accessory according to the first aspect of the present invention comprises an engaging member and a clasp which is removably engaged with the engaging member. A middle clasp carrying means for carrying the main body, and a push button mechanism for releasing the engagement with the engaging member by pushing inward a pressing portion of a push button provided on the middle clasp main body. On the outer surface of the side wall along the direction of the accessory of the clasp main body, an inclined concave portion inclined in the transverse direction of the accessory from the corner side in contact with the surface of the clasp main body toward the end of the side wall. A button outlet is formed in the side wall portion of the clasp main body and located in the inclined recess, and the pressing portion of the push button projects from the button outlet.

With such a configuration, since the pressing portions of the push buttons are located in the inclined concave portions, the pressing portions of the push buttons do not protrude from the side wall portion of the clasp main body. Therefore, it is possible to prevent an accident in which the push button of the push button hits an object when the accessory is carried and the push button is pressed. For this reason, the frame provided in the conventional clasp structure of the personal accessory becomes unnecessary, so that not only the number of parts is reduced, but also the design can be improved.

In addition, since the inclined concave portion is a concave portion which is inclined in the transverse direction of the accessory from a corner portion in contact with the surface portion of the clasp main body toward an end portion of the side wall portion, the pressing portion is pressed by a finger. When pressed, the pressing portion can be pressed along the inclination of the inclined concave portion, so that a necessary amount of button operation can be performed.

According to a second aspect of the present invention, there is provided a clasp structure for an accessory according to the first aspect of the present invention, wherein the inclined recess is provided on the clasp body. On the outer surface of the side wall portion, the button outlet opens from the corner side in contact with the surface portion of the clasp main body toward the end side of the side wall portion so as to extend in the longitudinal direction of the accessory, such as a skirt, and flared. It is a three-dimensional concave portion that is inclined from the side toward the end of the side wall portion in the transverse direction of the accessory.

[0012] With this configuration, not only can the same effect as the above-mentioned invention of claim 1 be obtained, but also because the inclined recess is the three-dimensional recess described above, when the pressing portion is pressed with a finger, Since the pressing portion can be pressed along the inclination of the three-dimensional inclined concave portion, a necessary amount of button operation can be performed more reliably.

According to a third aspect of the present invention, there is provided the clasp of the accessory according to the first or second aspect, wherein the pressing of the push button is performed. The part does not project from the outer surface of the side wall part of the clasp main body.

With this configuration, not only can the same effect as the above-described invention of claim 1 be obtained, but also the amount of the push portion of the push button protruding from the side wall portion of the clasp main body does not exist, and the carrying of the accessory can be carried out. Occasionally, it is possible to more reliably prevent an accident in which the pressing portion of the push button hits an object and the push button is pressed. For this reason, the frame provided in the conventional clasp structure of the personal accessory becomes unnecessary, so that not only the number of parts is reduced, but also the design can be improved.

According to a fourth aspect of the present invention, there is provided a clasp of a personal accessory according to the first or second or third aspect. The retaining means is one of a single push middle clasp, a two-fold push middle clasp, a three-fold push middle clasp, and a double-open push middle clasp.

With this configuration, not only can the same operation as the above-described invention of claim 1 be achieved, but also it is possible to produce a product substantially the same as the conventional clasp structure.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) FIG. 1 is a perspective view of a clasp structure (first embodiment) of an accessory according to the present invention, FIG. 2 is a sectional view of the clasp structure, and FIG. FIG. 4 is a cross-sectional view taken along the line Y-Y of FIG. 3.

The watch band structure, which is an accessory to which the clasp structure according to the present invention is assembled, comprises a double-folding type folding member 1 as a clasp supporting means, a push clasp mechanism A,
A band member 50 which is one decorative band connected to one band attaching portion (not shown) of a watch case (not shown).
And a band member 51, which is another decorative band connected to the other band mounting portion (not shown) of the watch case.

The center folding member 1 comprises a lower plate member 2, one middle plate member 3 and the other middle plate member 4. That is, the lower plate member 2 has a strip-shaped member main body 2A curved along the curved surface of the wrist, and this member main body 2A has middle plate insertion holes formed on the left and right sides of the central portion 2B. 5
A and 5B are formed, and an engaging pin 6 as an engaging means is provided at the center of the central portion 2B. This engaging pin 6 is formed by forming an umbrella portion 6b at the tip of a shaft portion 6a.
The left end of one middle plate member 3 is connected to the right end of the lower plate member 2 so as to be bendable by a connecting pin 7, and the right end of the other middle plate member 4 is connected to the left end of the lower plate member 2. Are connected so as to be bendable by connecting pins 8.

A connecting portion 9 is formed at the left end of the other middle plate member 4. The connecting portion 9 is connected to the leading piece 51A of the band member 51 by a connecting pin 9A in a bendable manner. It is.

The push buckle mechanism A has a buckle main body 10 also serving as a front cover, and a push button mechanism 15. In the clasp main body 10, as shown in FIGS. 5 to 7, side walls 12 along the band longitudinal direction are formed on both sides in the band lateral direction of the rectangular surface portion 11,
The outer surface of these side wall portions 12 has a corner 1 with the surface portion 11.
From the side 2a to the end 12b of the side wall portion 12, the band widens and spreads like a skirt in the longitudinal direction of the band, and is inclined in the band short direction from the corner portion 12a to the end portion 12b side of the side wall portion 12. A three-dimensional inclined recess 13 is formed. Due to the inclined recess 13, the corner 12 a
Has a circular arc portion 13a which is hollowed out in an arc shape in plan view. A rectangular button outlet 14 is formed in the side wall 12 of the clasp main body 10.

A box-shaped case 16 is mounted between the side walls 12 of the clasp main body 10. This case 1
Numeral 6 denotes an opening at both ends in the width direction of the band, and the inside of the case 16 is formed into a push button insertion portion 17, and as shown in FIG. Corresponds to the button outlet 14. Further, as shown in FIG.
8 are provided.

The push button mechanism 15 includes one and the other push buttons 19 and 20 and two springs 21. The one and the other push buttons 1
9 and 20, a pressing portion 22 is formed at an end portion, and a notch portion 23 is formed at one end side of the tip portion, and an arc-shaped engaging portion 24 is formed at the tip side of the notch portion 23. A stopper hole 25 is formed on the base side of the notch 23, respectively.
In addition, one and the other push button 19,20,
An original spring receiving portion 26 located at one end and a leading spring receiving portion 27 located at the other end are formed.

The push button loading section 17 has:
One push button 19 is inserted from one end side, and the other push button 20 is inserted from the other end side. A stopper hole 25 of one push button 19 is provided in the push button loading section 17. One stopper pin 25A is inserted and the other push button 2
The other stopper pin 25A provided in the push button insertion portion 17 is inserted into the 0 stopper hole 25.

The front spring receiving portion 26 of one push button 19 and the front spring receiving portion 27 of the other push button 20, and the front spring receiving portion 27 of one push button 19 and the other The springs 21 are interposed between the button 20 and the base spring receiving portion 26, respectively. The one and the other push buttons 19 and 20 are separated from each other by the urging force of the springs 21. The pressing portions 22 of the other push buttons 19 and 20 protrude outward from the button outlet 14, and the pressing portions 22 are located in the inclined recess 13. The engaging portions 24 of the one and other push buttons 19 and 20 are opposed to each other, and constitute a button-side engaging portion K.

A pin hole 28 is formed at one end (right end) of the side wall portion 12 of the clasp main body 10 along the longitudinal direction of the band, and the side wall portion 12 of the clasp main body 10 is shown in FIG. As described above, the leading piece 29 and the connecting piece 30 are rotatably attached by the pin 31 attached to the pin hole 28, and the connecting piece 30 is provided with the right end of one of the middle plate members 3 of the center folding member 1. It is attached by a pin 32. And, ahead Kankoma 2
A band member 50 is connected to 9.

Next, a description will be given of the mounting and releasing of the wristwatch having the watch band structure having the push clasp structure configured as described above.

First, a wristwatch, which is an accessory, is moved along the wrist, and then the other middle plate member 4 is overlapped with the lower plate member 2 with its connection portion with the lower plate member 2 as a fulcrum. Then, the middle plate member 4 is fitted into the middle plate insertion hole 5A.

Then, one of the middle plate members 3 is overlapped with the lower plate member 2 with the connecting portion with the lower plate member 2 as a fulcrum, so that the middle plate member 3 The engagement pin 6 provided in the lower plate member 2 is inserted into the insertion hole 18 of the case by fitting into the middle plate insertion hole 5B, and the engagement pin 6 is inserted into the button-side engagement portion K, Opposing engaging portions 2 of one and the other push buttons 19, 20
4 and the watch is worn on the wrist.

The engagement of the engagement pin 6 with the engagement portion 24 is as follows.
The umbrella portion 6b at the end of the engaging pin 6 pushes open the engaging portion 24 of the one and the other push buttons 19 and 20 so as to be separated from each other in the short direction of the band. When the portion 6a is inserted, the engagement portion 24 of the one and the other push buttons 19, 20 is closed by the urging force of the spring 21 and engages with the shaft portion 6a of the engagement pin 6.

When the wristwatch is detached from the wrist, the pressing portion 22 of one of the push buttons 19 and 20 is sandwiched between the thumb and the index finger and pressed inward.
By moving one and the other push buttons 19 and 20 against the spring 21, the engagement portion 24 is moved.
The gap is opened to disengage the engagement with the engagement pin 6, one of the middle plate members 3 is opened, the engagement pin 6 is pulled out from the insertion hole 18, and the other middle plate member 4 is opened. , Remove from the wrist of the carrier.

One and the other push buttons 19, 20
The pressing portion 22 is located in the inclined recess 13, and the inclined recess 13 is formed like a skirt in the band longitudinal direction from the corner 12 a side with the surface portion 11 toward the end 12 b side of the side wall portion 12. When the pressing portion 22 is pressed with a finger, the inclined concave portion is formed as a three-dimensional concave portion which is widened toward the end and is inclined in the band short direction from the corner portion 12a side toward the end portion 12b side of the side wall portion 12. Since the pressing portion 22 can be pressed along the inclination of the thirteen, a necessary amount of button operation can be performed.

One and the other push buttons 1
Since the pressing portions 22 of the push buttons 9 and 20 are located in the inclined concave portions 13,
It does not protrude from the side walls 12 on both sides of the clasp main body 10. Therefore, when the accessory is carried, the push button 1
It is possible to prevent an accident that the push buttons 19 and 20 are pressed when the pressing portions 22 of the devices 9 and 20 hit the object.
For this reason, the frame provided in the conventional clasp structure of the personal accessory becomes unnecessary, so that not only the number of parts is reduced, but also the design can be improved.

(Second Embodiment) FIGS. 8 and 9 show a second embodiment of the present invention. In the second embodiment of the present invention, a single lock type push clasp as a clasp holding means is used for the watch band structure. The push clasp mechanism A in the single lock type clasp structure includes a clasp body 40 and a push button mechanism 4.
1 and a front plate 43.

The outer surfaces of the side walls 44 of the clasp main body 40 are provided with skirts in the band longitudinal direction from the corners 44a to the surface 46 of the clasp main body 40 toward the ends 44b of the side walls 44. And the corners 4
A three-dimensional inclined recessed portion 47 is formed which is inclined in the band short direction from the side 4a toward the end 44b of the side wall portion 44. A push button insertion portion 45 is formed in the middle clasp main body 40 in the widthwise direction of the band, and the push button insertion portion 45 is opened in both side wall portions 44.

A concave portion 48 is formed in the surface portion 46 of the clasp main body 40. The concave portion 48 is provided with a hole 49 through which the push button mounting portion 45 can be inserted. 45, a stopper pin 5 is provided at a diagonal position.
7, 58 are provided.

The push button mechanism 41 includes one and the other push buttons 54, 55 and two springs 56.
And one and the other push button 54,
55 has a pressing portion 54A formed at an end portion and a cutout portion 63 formed at one end side of the tip portion.
3 and an arcuate engaging portion 59 and a stopper pin receiving portion 6
0 is formed on each of the push buttons 54 and 55, and an original spring receiving portion 61 located on one end side and a front spring receiving portion 62 located on the other end side are formed. I have.

One push button 54 is inserted into the push button mounting portion 45 from one end, and the other push button 55 is inserted from the other end, and the original spring receiving portion of the one push button 54 is inserted. 61 and the front spring receiving portion 62 of the other push button 55, and between the front spring receiving portion 62 of the one push button 56 and the original spring receiving portion 51 of the other push button 55, respectively. A spring 56 is interposed, and one and the other push buttons 5 are
4 and 55 are separated from each other, and one of the push buttons 54 has a stopper pin 57 on its stopper receiving portion 60.
Meanwhile, the other push button 55 is in contact with a stopper pin 58 at a stopper receiving portion 60 thereof.

Then, one and the other push buttons 5
4, 55 of the pressing portion 54A is the push button loading portion 4
5, projecting outward from an opening 45 a to both side wall portions 44, and a pressing portion 54 </ b> A is located in the inclined recess 47.
The engagement portions 59 of the one and other push buttons 54 and 55 are opposed to each other, and constitute a button-side engagement portion K.

At the left end in the longitudinal direction of the band of the clasp main body 40, a bridge attaching portion 66 is provided, and at the right end, a front plate attaching portion 67 is provided.
Each of the piece mounting portions 66 has a mounting pin hole 66A. A mounting pin hole 67A is formed in the front plate mounting portion 67.
A spring mounting portion 65 is formed at the end of 7A. The spring mounting portion 65 is provided with a torsion spring 68, and one end of the torsion spring 68 is locked to the spring mounting portion 65.

The front plate mounting portion 67 is provided with mounting pins 69 inserted into the mounting pin holes 67A.
The base end of the torsion spring 6 is attached to the front plate 43.
The front plate 43 is urged in the opening direction by a torsion spring 68. Further, an engagement pin 70 is provided near the rear side of the front plate 43. The engagement pin 70 is formed by forming an umbrella portion 70b at the tip of a shaft portion 70a. Then, the piece attachment portion 66 of the clasp body 40
Is connected to the leading pin 71 of the band member 51 by a connecting pin 69A. A hook bar 73 is provided on the leading bridge 72 of one of the band members 50.

Next, the mounting and releasing of the wristwatch having the watch band structure having the push clasp structure configured as described above will be described.

First, after a wristwatch, which is an accessory, is moved along the wrist, a hook bar 73 is hooked on the front plate 43, and the front plate 43 is pressed against the torsion spring 68 to prevent the clasp body 40 from moving. The front plate 43 is folded toward the surface portion 46 and the front plate 43 is fitted into the concave portion 48.

Then, the engaging pin 70 provided on the front plate 43 is inserted into the hole 49, and the engaging pin 70 is inserted into the button-side engaging portion K, that is, one of the push buttons 5 and the other.
The wristwatch is mounted on the wrist by engaging with the engaging portions 59 of 4 and 55 facing each other.

When the wristwatch is detached from the wrist, the pressing portion 54A of one of the push buttons 54, 55 is sandwiched between the thumb and the index finger and pushed inward, whereby the one and the other push buttons 54, 55 are pressed. Is moved against the spring 56 to open the engagement portions 59 to release the engagement, open the front plate 43, pull out the engagement pins 70 from the holes 49, and Remove from wrist.

One and the other push buttons 54, 55
The pressing portion 54A is located in the inclined concave portion 47, and the inclined concave portion 47 is formed at the corner 4 with the surface portion 46 of the clasp main body 40.
From the side 4a toward the end 44b of the side wall 44, the band widens and spreads like a skirt in the longitudinal direction of the band, and is inclined from the corner 44a toward the end 44b of the side wall 44 in the short direction of the band. When the pressing portion 54A is pressed with a finger, the pressing portion 54A can be pressed along the inclination of the inclined recess 47, so that a necessary amount of button operation can be performed.

The one and other push buttons 5
Since the pressing portions 54A of the push buttons 54 and 55 are located in the inclined concave portions 47, the pressing portions 54A of the push buttons 54 and 55
However, it does not protrude from the side wall portions 44 on both sides of the clasp body 40. Therefore, it is possible to prevent an accident in which the pushing parts 54A of the push buttons 54, 55 hit an object and the push buttons 54, 55 are pressed when the accessory is carried. For this reason, the frame provided in the clasp structure of the conventional accessory is not required, and the number of parts is reduced,
The design can be improved.

(Third Embodiment) FIGS. 10 to 12 show a third embodiment of the present invention. In the third embodiment of the present invention, a two-fold type push buckle as a buckle holding means is used in the watch band structure. That is, the watch band structure, which is an accessory to which the clasp structure according to the present invention is assembled, has a two-fold type folding member 31, a push clasp mechanism A, and one band attachment of a watch case (not shown). A band member 50, which is one decorative band connected to a portion (not shown), and a band member 51, another decorative band connected to the other band mounting portion (not shown) of the watch case. It is composed.

The middle bending member 31 includes a lower plate member 32,
And a middle plate member 33. That is, the lower plate member 32 is a strip-shaped member main body 3 curved along the curved surface of the wrist.
This member main body 32A has an intermediate plate insertion recess 34 formed on the front side thereof, and an engagement pin 36 provided on the front side thereof. This engagement pin 36 is a shaft portion 36a.
An umbrella portion 36b is formed at the end of the umbrella. The other end of the lower plate member 32 is connected to the other end of the middle plate member 33 in a bendable manner by a connecting pin 37, and a connecting piece 99 is pinned to the right end of the lower plate member 32. One band member 50 is connected to the connecting piece 99.

The push clasp mechanism A has a clasp body 35 also serving as a front cover, and a push button mechanism 38. The clasp body 35 has a square surface portion 80.
Side walls 81 along the band longitudinal direction are formed on both sides in the short side direction of the band, and the outer surface of these side walls 81 is formed at the center at the corner 81a side with the surface portion 80 from the side of the side wall 81a. 81, it spreads like a skirt in the longitudinal direction of the band toward the end 81b side, and the corner 8
A three-dimensional inclined concave portion 82 is formed, which is inclined in the band short direction from the side 1a toward the end portion 81b of the side wall portion 81. The corner portion 81a is hollowed out in an arc shape in a plan view by the inclined concave portion 82 to form an arc portion 82a. A rectangular button outlet 83 is formed in the side wall 81 of the clasp main body 35.

A box-shaped case 84 is mounted between the side walls 81 of the clasp main body 35. This case 8
4, both ends of the band in the short direction are open, and the inside of this case 84 is formed into a push button insertion portion 85, and the openings 84 a at both ends of the case 84 are connected to the button outlets 83. Match. In addition, an insertion hole 86 is provided on the back surface of the case 84. And the Nakadome body 3
A band insertion space H is formed in the inside of the band 5 so that the band 84 can be removed in the longitudinal direction of the band when the case 84 is attached to the inside.

The push button mechanism 38 has one and the other push buttons 87 and 88 and two springs 89, and the one and the other push buttons 8
7 and 88, a pressing portion 90 is formed at an end portion, and a notch portion 91 is formed at one end side of the tip portion, and an arc-shaped engaging portion 92 is formed at the tip side of the notch portion 91. A stopper portion 93 is formed on the base side of the notch portion 91, and one side and the other push button 87, 88 have a base side spring receiving portion 94 located on one end side and a stopper side 93 on the other end side. A front end spring receiving portion 95 is formed.

Then, in the push button loading section 85,
One push button 87 is inserted from one end, and the other push button 88 is inserted from the other end. The original spring receiving portion 94 of one push button 87 and the distal spring receiving portion of the other push button 88 are inserted. The springs 89 are interposed between the front spring receiving portion 95 of one push button 87 and the original spring receiving portion 94 of the other push button 88, respectively. With the urging force of 89, the one and other push buttons 87, 88 are separated from each other, and the pressing portions 90 of the one and other push buttons 87, 88 project outward from the button outlet 83, and the pressing portions 90 is located in the inclined recess 82.

Then, one and the other push buttons 8
The stoppers 93 of 7 and 88 are in contact with the aperture edges 84b of the openings 84a at both ends of the case 84. The engaging portions 92 of the one and the other push buttons 87 and 88 are opposed to each other, and the push button 87 and the push button 87 are opposed to each other.
Is composed.

Further, pin holes 96 are formed in both side wall portions 81 of the clasp main body 35, and the side wall portions 8 of the clasp main body 35 are formed.
1, one end of the middle plate member 33 of the center bending member 31 is attached by a pin 97. A protruding bar 98 is swingably attached to one end of the middle plate member 33 by a pin 97, and the protruding bar 98 is located in the band insertion space H.

Next, a description will be given of the mounting and release of the wristwatch having the watch band structure having the push clasp structure configured as described above.

First, the other band member 51 is inserted into the band insertion space H, and a protruding bar 98 is inserted and locked in a predetermined locking hole 51B of the band member 51. In this state, a wristwatch as an accessory is worn. Insert the wrist into the ring formed by the lower plate member 3
2 is placed along the wrist, and the middle plate member 33 is overlapped with the lower plate member 32 with the connection portion with the lower plate member 32 as a fulcrum. It fits into the recess 34.

The engagement pin 7 provided on the lower plate member 32
0 is inserted into the insertion hole 86 of the case.
To the button side engaging portion K, that is, the engaging portions 92 of the push buttons 87 and 88 facing each other.
And the wristwatch is worn on the wrist.

When the wristwatch is detached from the wrist, the pressing portion 90 of one of the push buttons 87 and 88 is sandwiched between the thumb and the index finger and pressed inward.
By moving one and the other push buttons 87, 88 against the spring 89, the engaging portion 92
The gap is opened to release the engagement with the engagement pin 36, and the intermediate plate member 3
3 is opened outside, the engaging pin 36 is pulled out from the insertion hole 86, the intermediate plate member 33 is opened outside, and detached from the wrist of the wearer.

One and the other push buttons 87, 88
The pressing portion 90 is located in the inclined concave portion 82, and the inclined concave portion 82 is formed like a skirt in the band longitudinal direction from the corner portion 81a side with the surface portion 80 toward the end portion 81b side of the side wall portion 81. When the pressing portion 90 is pressed with a finger, the recessed portion is inclined. The recessed portion is a three-dimensional recess that is widened and spreads in the band short direction from the corner portion 81a toward the end portion 81b of the side wall portion 81. Since the pressing portion 90 can be pressed along the inclination of 82, a necessary amount of button operation can be performed.

Also, one and the other push buttons 8
Since the pressing portions 90 of the push buttons 87 and 88 are located in the inclined concave portions 82,
It does not protrude from the side wall portions 81 on both sides of the clasp main body 35. Therefore, when the accessory is carried, the push button 8
It is possible to prevent an accident that the push buttons 87 and 88 are pressed when the pressing portions 90 of the switches 7 and 88 hit an object.
For this reason, the frame provided in the conventional clasp structure of the personal accessory becomes unnecessary, so that not only the number of parts is reduced, but also the design can be improved.

(Fourth Embodiment) FIG. 13 shows a fourth embodiment of the present invention. In the fourth embodiment of the present invention,
In the watch band structure, a three-fold type push buckle is used as a buckle holding means. In other words, the watch band structure, which is an accessory to which the clasp structure according to the present invention is assembled, has a three-fold type folding member 101, a push clasp mechanism A, and one band attachment of a watch case (not shown). Band member 50, which is one decorative band connected to the other part (not shown), and band member 51, the other decorative band connected to the other band mounting part (not shown) of the watch case.
It is roughly composed of

The center folding member 101 includes a lower plate member 102
And an intermediate plate member 103. That is, the lower plate member 102 has a strip-shaped member main body 102A curved along the curved surface of the wrist, and the member main body 102A has an intermediate plate insertion concave portion 104 formed on the front side thereof.
An engagement pin 106 is provided on the left side on the front side. The engagement pin 106 is formed by forming an umbrella portion 106b at the tip of a shaft portion 106a. The left end of the middle plate member 103 is connected to the right end of the lower plate member 102 in a bendable manner by a connecting pin 107, and a connecting piece 109 is attached to the left end of the lower plate member 102 by a pin 110. In addition, one band member 50 is connected to the connecting piece 109.

Since the push buckle mechanism A has substantially the same configuration as the push buckle mechanism A in the first embodiment of the present invention, see FIGS. 3 to 7 showing the push buckle mechanism A. The same members are denoted by the same reference numerals, and the description is omitted.

The outer surface of the side wall portion 12 of the clasp main body 10, which also serves as the front cover of the push clasp mechanism A, is provided at the center thereof from the corner 12a side with the surface portion 11 to the end of the side wall portion 12. A three-dimensional inclined recessed portion 13 is formed so as to spread out like a skirt in the longitudinal direction of the band toward the 12b side, and is inclined in the band short direction from the corner portion 12a toward the end portion 12b side of the side wall portion 12. It is formed.
Due to the inclined recess 13, the corner portion 12a is hollowed out in an arc shape in plan view to form an arc portion 13a. A rectangular button outlet 14 is formed at the center of the side wall 12 of the clasp main body 10.

Pin holes 111 are formed at both ends (left and right ends) of the side wall portion 12 of the clasp main body 10 in the longitudinal direction of the band.
At the left end of the side wall 12 of the clasp main body 10, the right end of the middle plate member 103 of the center folding member 101 is attached by a pin 113 inserted into a pin hole 111. At the right end of the side wall 12 of the clasp body 10,
A connecting piece 109A is rotatably mounted by a pin 114 inserted into a pin hole 112, and a band member 51 is connected to the connecting piece 109A.

Next, a description will be given of the mounting and releasing of the wristwatch having the watch band structure having the push clasp structure configured as described above.

First, a wristwatch, which is an accessory, is moved along the wrist, and then the middle plate member 103 is overlapped with the lower plate member 102 with the connecting portion with the lower plate member 102 as a fulcrum. Insert the middle plate member 103 into the recess 1 for inserting the middle plate.
04.

Then, the engaging pin 106 provided on the lower plate member 102 is inserted into the insertion hole 18 of the case, and this engaging pin 106 is inserted into the button-side engaging portion K, that is, one of the push buttons 19 and the other. , 20 are engaged with the opposite engaging portions 24, and the wristwatch is worn on the wrist.

When the wristwatch is detached from the wrist, the pressing portion 22 of one of the push buttons 19 and 20 is pressed inward by sandwiching the pressing portion 22 between the thumb and the index finger.
By moving one and the other push buttons 19 and 20 against the spring 21, the engagement portion 24 is moved.
The gap is opened to release the engagement, the middle plate member 103 is opened, the engagement pin 106 is pulled out from the insertion hole 18, and is removed from the wrist of the wearer.

One and the other push buttons 19, 20
The pressing portion 22 is located in the inclined recess 13, and the inclined recess 13 is formed like a skirt in the band longitudinal direction from the corner 12 a side with the surface portion 11 toward the end 12 b side of the side wall portion 12. When the pressing portion 22 is pressed with a finger, the inclined concave portion is formed as a three-dimensional concave portion which is widened toward the end and is inclined in the band short direction from the corner portion 12a side toward the end portion 12b side of the side wall portion 12. Since the pressing portion 22 can be pressed along the inclination of the thirteen, a necessary amount of button operation can be performed.

Also, one and the other push buttons 1
Since the pressing portions 22 of the push buttons 9 and 20 are located in the inclined concave portions 13,
It does not protrude from the side walls 12 on both sides of the clasp main body 10. Therefore, when the accessory is carried, the push button 1
It is possible to prevent an accident that the push buttons 19 and 20 are pressed when the pressing portions 22 of the devices 9 and 20 hit the object.
For this reason, the frame provided in the conventional clasp structure of the personal accessory becomes unnecessary, so that not only the number of parts is reduced, but also the design can be improved.

Incidentally, in the clasp structure of the accessory according to the first to fourth embodiments, the push button mechanism portions 15, 41, 38 have one and the other push buttons (19, 20), (54, 55) and (87, 88), the push button mechanism may have a single push configuration having only one push button.

[0075]

As described above, according to the clasp structure of the accessory according to the first aspect of the present invention, the engaging member and the clasp main body removably engaged with the engaging member are carried. And a push button mechanism for releasing the engagement with the engaging member by pushing inwardly a pressing portion of a push button provided on the middle clasp main body. On the outer surface of the side wall along the longitudinal direction of the accessory, an inclined recess is formed which is inclined in the transverse direction of the accessory from a corner side in contact with the surface of the clasp main body toward an end side of the side wall. By forming a button outlet located in the inclined recess on the side wall portion of the clasp main body and projecting the pressing portion of the push button from the button outlet, the pressing portion of the push button is inclined by the inclined recess. These push buttons to be located within It is never protrude from the side wall portion of the clasp main body pressing part of. Therefore, it is possible to prevent an accident in which the push button of the push button hits an object when the accessory is carried and the push button is pressed. For this reason, the frame provided in the conventional clasp structure of the personal accessory becomes unnecessary, so that not only the number of parts is reduced, but also the design can be improved.

In addition, since the inclined concave portion is a concave portion inclined in the transverse direction of the accessory from the corner portion contacting the surface portion of the clasp main body toward the end portion side of the side wall portion, the pressing portion is pressed by a finger. When pressed, the pressing portion can be pressed along the inclination of the inclined concave portion, so that a necessary amount of button operation can be performed.

Further, according to the clasp structure of the accessory according to the second aspect of the present invention, in the clasp structure of the accessory according to the first aspect, the inclined recess is provided on an outer surface of a side wall portion of the clasp main body. At the button outlet, from the corner contacting the surface of the clasp main body to the end of the side wall part, it spreads out like a skirt in the longitudinal direction of the accessory, and extends from the corner side to the end of the side wall part. By being a three-dimensional recess inclined in the transverse direction of the accessory toward the part side, not only the same effect as the effect of the invention of claim 1 described above can be obtained, but also the inclined recess has the above-described three-dimensional recess. With the concave portion, when the pressing portion is pressed with a finger, the pressing portion can be pressed along the inclination of the three-dimensional inclined concave portion, so that a necessary amount of button operation can be performed more reliably.

Further, according to the clasp structure of the accessory according to the third aspect of the present invention, in the clasp structure of the accessory according to the first or second aspect, the pressing portion of the push button includes the clasp body. By not protruding from the outer surface of the side wall portion, not only the same effect as the effect of the invention of claim 1 described above can be obtained, but also the pressing portion of the push button,
There is no amount protruding from the side wall of the clasp main body, and when carrying accessories, the pressing part of the push button hits the object,
The accident that the push button is pressed can be more reliably prevented. For this reason, the frame provided in the conventional clasp structure of the personal accessory becomes unnecessary, so that not only the number of parts is reduced, but also the design can be improved.

Further, according to the clasp structure of the accessory according to the fourth aspect of the present invention, in the clasp structure of the accessory according to the first, second, or third aspect, the middle clasp supporting means comprises:
By being one of the single push middle clasp, the two-fold push middle clasp, the three-fold push middle clasp, and the double-open push middle clasp, not only can the same effect as the effect of the invention of claim 1 described above can be obtained, Almost the same commercialization as the conventional clasp structure is possible.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of a clasp structure of an accessory according to the present invention.

FIG. 2 is a sectional view of the clasp structure.

FIG. 3 is a sectional view taken along line XX of FIG. 3;

FIG. 4 is a sectional view taken along the line YY of FIG. 3;

FIG. 5 is a plan view of a clasp main body of the clasp structure.

FIG. 6 is a front view of the center clasp main body.

FIG. 7 is a sectional view taken along the line ZZ in FIG. 5;

FIG. 8 is a perspective view of a second embodiment of the clasp structure of an accessory according to the present invention.

FIG. 9 is a cross-sectional view of the push buckle structure of the buckle structure.

FIG. 10 is a perspective view of a third embodiment of a clasp structure of an accessory according to the present invention.

FIG. 11 is a cross-sectional view of a third embodiment of the clasp structure of an accessory according to the present invention.

FIG. 12 is a longitudinal sectional view of the clasp structure.

FIG. 13 is a perspective view of a fourth embodiment of the clasp structure of an accessory according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Nakatsuke main body 11 Surface part 12 Side wall part 12a Corner part 12b End part 13 Inclined recessed part 14 Button outlet 19, 20 Push button 22 Press part

Claims (4)

[Claims] 1. A clasp supporting means for carrying an engaging member and a clasp main body removably engaged with the engaging member, and a pressing portion of a push button provided on the clasp main body. A push button mechanism that releases the engagement with the engaging member by pushing inward, and on the outer surface of a side wall along the accessory longitudinal direction of the clasp main body,
An inclined recess is formed which is inclined in the accessory short direction from a corner side in contact with a surface portion of the clasp main body toward an end side of the side wall portion, and the inclined recess is formed on the side wall portion of the clasp main body. And a push-out portion of the push button protruding from the button outlet. 2. The accessory is provided on the outer surface of the side wall portion of the clasp main body from a corner portion in contact with a surface portion of the clasp main body at the button lead-out opening toward an end side of the side wall portion. It spreads out like a skirt in the longitudinal direction,
The clasp structure of claim 1, wherein the three-dimensional recess is a three-dimensional recess that is inclined in a short direction of the accessory from the corner to the end of the side wall. 3. The clasp structure according to claim 1, wherein the pressing portion of the push button does not protrude from outer surfaces of the side wall portions on both sides of the clasp body. 4. The middle clasp supporting means includes a single push middle clasp, a two-fold push middle clasp, a three-fold push middle clasp,
4. The clasp structure of an accessory according to claim 1, wherein the clasp is a double-open push clasp.