JPH09117310A - Inner lock structure for accessory - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent removal of an accessory by preventing release of engagement between an engagement part of an inner lock mechanism and an engagement part of an engagement member by a push on pushbuttons by unexpected external force. SOLUTION: A device is provided with a push inner lock mechanism 3 which is capable of releasing engagement between engagement parts of pushbuttons 18, 19 and an engagement pin of a surface plate 7 by pushing operation to the pushbuttons 18, 19 protruded from side surfaces of a watch band in the shorter side direction. This push inner lock mechanism 5 is provided with a slide cover 9 to move in one direction to cover the pushbuttons 18, 19, and move in the other direction to expose the pushbuttons 18, 19.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a wristwatch watch band,
The present invention relates to a clasp structure for accessories such as bracelets and necklaces.

[0002]

2. Description of the Related Art A clasp structure of an accessory for a watch band of a conventional wristwatch is shown in FIGS. In the clasp structure of this accessory, the push button insertion portion 91 of the clasp frame 90 is attached.
One push button 92 is inserted from one end side, and the other push button 93 is inserted from the other end side, and the original side spring receiving portion 99A of one push button 92 is inserted.
And the front side spring receiving portion 99B of the other push button 93 and the front side spring receiving portion 9 of the one push button 92.
9B and the original spring receiving portion 99 of the other push button 93
A spring 94 is interposed between A and
Due to the urging force of these springs 94, the one and the other push buttons 92, 93 are separated from each other, and the stopper portion 98 of the one push button 92 is attached to the one retaining pin 97A and the stopper portion of the other push button 93. 98 are in contact with the other retaining pin 97B.

Then, one and the other push button 9
The engaging portions 97 of 2, 93 face each other, and these constitute a button side engaging portion. Further, the push portions 95A of the push buttons 92 and 93 are the push button loading portions 9
1 Project outwards.

Then, one watch band 100 is connected to the connecting piece connecting portion 92A at one end of the clasp frame 90.
00A and the other end connecting frame connecting portion 92B
A front plate 103 is attached to the front plate 103 via a hinge 102, and an engaging pin 104 is attached to the back surface of the front plate 103.

After placing the wristwatch along the wrist, the mounting bar 106 at the end of the other watch band 105 is hooked on the front plate 103, and the front plate 103 is folded to make the front plate 1
03 is fitted into the fitting recess 107, and the engagement pin 104 is inserted into the hole 108. The engagement pin 104 is inserted into the button-side engagement portion, that is, the one and the other push button 92, 9.
The wristwatch is mounted on the wrist by engaging with the engaging portions 97 of the three facing each other.

When the wristwatch is detached from the wrist, the push portions 95A of the push buttons 92 and 93 on the one side and the other side are sandwiched by the thumb and the index finger and pushed inward to push the push buttons 92 and 93 on the other side. Is moved against the spring 94 to open the engagement between the engaging portions 97 to release the engagement, open the front plate 103, pull out the engaging pin 104 from the hole 108, and remove the mounting rod 106 from the front plate. Remove from 103.

[0007]

However, in the above clasp structure of the accessory, the push button 9 is used.
Since the pushbuttons 92 and 93 may be pressed by an unintended external force because the locks on the pushbuttons 2 and 93 are not present, the engagement between the engagement portion 97 and the engagement pin 104 may be released, and the wristwatch may fall off and be damaged. However, there was a problem of being lost.

In particular, when a diver is diving or when a wristwatch for measuring the diving time is dropped or lost, it is related to the life of the diver. Therefore, there is a structure that can compensate for the above-mentioned drawbacks (problems) when pushing the diver's wristwatch. Was wanted.

The present invention has been made in view of the above problems, and an object thereof is to push the push button by an unintended external force so that the engaging portion and the engaging member of the clasp mechanism are engaged. To prevent the engagement with the
Consequently, it is intended to provide a clasp structure for an accessory that can prevent the accessory from falling off.

[0010]

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. 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 moving in one direction and moves in the other direction. Is provided with a cover body that exposes the push button.

Further, 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 body is attached to the push clasp mechanism, Alternatively, it is provided at the connecting end of the accessory connected to the push clasp mechanism.

In order to achieve the above object, the clasp structure of the accessory according to the invention of claim 3 is detachable from the cover body in the clasp structure of the accessory according to claim 1 or 2. And a cover body engaging mechanism for engaging with.

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 1, 2 or 3.
The cover body is moved by sliding to stop the cover body at an appropriate position.

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 cover clasp mechanism of the cover body,
Alternatively, it is provided with a retaining mechanism for preventing the accessory connected to the push clasp mechanism from falling off from the connecting end.

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 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 has a double push clasp structure.

In order to achieve the above object, the clasp structure of the accessory according to the invention of claim 7 is the clasp structure of claim 1 or claim 2 or claim 3 or claim 4 or claim 5. In the clasp structure, the push clasp mechanism has a one-push clasp structure.

In order to achieve the above object, the clasp structure of the accessory according to the invention of claim 8 is the clasp structure 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.

In order to achieve the above-mentioned object, the clasp structure of the accessory according to claim 9 of the present invention 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.

[0019]

With this configuration, the accessory is fitted to the wrist, the engaging portion of the engaging member is engaged with the button-side engaging portion to attach the accessory to the wrist, and then the cover body is pinched with a fingertip to cover the cover. By moving the body in one direction and covering the push button with the cover, unintended external force does not act on the push button. Therefore, the engagement between the engagement portion of the push button and the engagement portion of the engagement member is prevented from being released, and the accessory is prevented from falling off.

When the accessory is removed from the wrist, the cover body is pinched with a fingertip, moved in the other direction to expose the push button, and the push button is pushed to engage the engaging member. Disengage the engagement of the push button at the joint with the engagement.

[0021]

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

(Embodiment 1) FIG. 1 is a perspective view showing an exploded state of embodiment 1 of a clasp structure of an accessory according to the present invention, and FIG.
3 is a sectional view taken along the line AA of FIG. 3, FIG. 3 is a sectional view taken along the line BB of FIG. 1, FIG. 4 is a sectional view taken along the line CC of FIG. 2, and FIG. 6 is a perspective view with a part of the end of the slide cover in the band longitudinal direction omitted.

An accessory, such as a single lock type watch band structure, in which the clasp structure of the accessory according to the present invention is assembled is, as shown in FIG. 1, one band mounting portion (not shown) of a wrist watch (not shown). ) Connected to one of the watch bands, the other watch band 2 connected to the other band mounting portion (not shown) of the wristwatch, and the push clasp mechanism (middle clasp tool) 3. There is. Then, the pair of arm portions 2C of the linking piece 2A at the end portion of the other watch band 2
A mounting rod 2B is attached to the.

The push clasp mechanism 3 includes a case body 4
A front plate 7 which is an engaging member having an engaging pin 6 which is an engaging portion, a push button mechanism portion 8 and a slide cover 9 which is a cover body for covering the push button mechanism portion 8. .

At one end of the case body 4,
One connecting piece connecting portion 12A connected to the connecting piece 1A of one watch band 1 is formed, and the other connecting piece connecting portion (hinge connecting portion) 12B is formed at the other end.
Then, the case main body 4 is provided with one connecting piece connecting portion 12A.
The side is the cover standby portion 10, and the other connecting link connecting portion 12B
The side is formed into a clasp frame portion 11, and this cover standby portion 1
No. 0 has both end faces in the lateral direction of the band formed with retaining projections 10A that are close to the inner retaining frame portion 11, and the inner retaining frame portion 11 is formed with a push button insertion portion 13 along the shorter direction of the band. Both ends of the push button charging portion 13 are open at both ends of the case body 4 in the band widthwise direction. A front plate fitting recess 14 is formed on the surface of the clasp frame 11, and a hole 15 is formed in the center of the front plate fitting recess 14.
Is formed.

Further, in the push button charging portion 13, two retaining pins 16A, 16 are diagonally located.
B is attached, and the front plate 7 is attached to the linking piece connecting portion 12B of the inner retaining frame portion 11 via a hinge 17. The front plate 7 is constantly expanded by a torsion spring 5A. Is urged by. The engagement pin 6 provided on the back surface of the front plate 7 has an umbrella portion 6b formed at the tip of the shaft portion 6a. That is, the engaging pin 6 is formed as an engaging portion of the front plate 7 which is an engaging member.

The push button mechanism 8 includes one and the other push buttons 18, 19 and two springs 2.
0 and one and the other push button 1
As shown in FIG. 4, each of the buttons 8 and 19 has a button body 21 having a push portion 21A formed at the end thereof.
A notch 22 is formed on one side of the tip of the notch 22, an arc-shaped engaging portion 23 is provided at the tip of the notch 22, and a stopper 24 is provided at the base of the notch 22. Each of them is formed, and the button body 21 is formed with an original spring receiving portion 25 located on one side and a leading spring receiving portion 26 located on the other side.

The push button charging section 13 has
One push button 18 is inserted from one end side, and the other push button 19 is inserted from the other end side, respectively, and the original side spring bearing portion 25 of the one push button 18 and the front side spring bearing of the other push button 19 are inserted. The spring 20 is interposed between the spring 26 and the portion 26 and between the front side spring receiving portion 26 of the push button 18 on one side and the base side spring receiving portion 25 of the push button 19 on the other side. The one and the other push buttons 18, 19 are separated from each other by the urging force of 20, and the stopper portion 24 of the one push button 18 has the stopper pin 1
6A, the stopper portion 24 of the other push button 19 is in contact with the other retaining pin 16B.

Then, one and the other push button 1
The engaging portions 23 of 8 and 19 face each other, and these constitute the button side engaging portion. In addition, the push portion 21A of the push buttons 18 and 19 is the push button loading portion 1
3 Projects outward.

Further, the cover standby portion 1 of the case body 4
At 0, the slide cover 9 is mounted so as to be movable in the longitudinal direction of the band. That is, the slide cover 9
A back cover 28 is screwed to the cover main body 27, and a slide hole 29 is formed inside the cover main body 27 along the longitudinal direction of the band. Push button insertion groove portions 30 are formed on both side surfaces of the slide hole 29, and a stopper portion 31 is projectingly provided at one end portion of the push button insertion groove portion 30 on the watch band 1 side. A front plate insertion groove 32 is formed on the ceiling surface 29a of the slide hole 29. The slide cover 9 has the slide hole 29.
The cover standby portion 10 is attached to the case body 4 in a slidably inserted state.

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

First, after the wristwatch is placed along the wrist, the mounting rod 2A at the end of the other watch band 2 is attached to the case body 4 described above.
Is hooked on the front plate 7 connected to the front plate 7, and in this state, the front plate 7 is folded, and the front plate 7 is fitted into the front plate fitting recess 14 so that the engaging pin 6 provided on the front plate 7 is The wristwatch is worn on the wrist by inserting the engaging pin 6 into the button side engaging portion, that is, the engaging portions 23 of the one and the other push buttons 18 and 19 which face each other. Mounting.

The engagement of the engagement pin 6 with the engagement portion 23 is as follows.
The umbrella portion 6b at the end of the engaging pin 6 pushes open the engaging portions 23 of the one and the other push buttons 18 and 19 so as to separate them from each other in the lateral direction of the band. One and the other push button 1 when 6a is inserted
It is performed by closing the engaging portions 23 of 8 and 19 by the urging force of the spring 20 and engaging the shaft portion 6a of the engaging pin 6.

Next, by grasping the slide cover 9 with a fingertip, the slide cover 9 is moved toward the inner retaining frame portion 11 side of the case main body 4 and pushed until the stopper portion 31 abuts against the retaining projection 10A. The push buttons 18 and 19 are inserted into the button insertion groove portion 30 and the front plate 7 is inserted into the front plate insertion groove 32, respectively, and the push cover 21A of the push buttons 18 and 19 is covered by the slide cover 9.

Therefore, since the push portions 21A of the push buttons 18 and 19 are covered with the slide cover 9, unintended external force does not act on the push buttons 18 and 19. Therefore, the engagement between the engagement portion 23 and the engagement pin 6 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the slide cover 9 is pinched with a fingertip so that the end portion 9a of the slide cover 9 collides with the end portion of the linking piece 1A of the one watch band 1. Until they come into contact with each other, the slide cover 9 is moved to the case standby portion 10 side of the case body, the push buttons 18 and 19 are pulled out from the push button insertion groove portion 30, and the front plate 7 is pulled out from the front plate insertion groove 32. The push portion 21A of 19 is exposed.

Then, one and the other push button 1
One and the other push buttons 1 by pressing the pushing portions 21A of 8 and 19 between the thumb and forefinger and pushing them inward
By moving 8 and 19 against the spring 20, the space between the engaging portions 23 is opened to release the engagement with the engaging pin 6, and the front plate 7 is opened to the outside, and the engaging pin 6 is released. The hole 1
5, and the mounting rod 2B is removed from the front plate 7.

(Embodiment 2) Embodiment 2 of the clasp structure of the accessory of the present invention is shown in FIGS. In the case of the second embodiment, the cover body engaging mechanism 3 is added to the clasp structure of the accessory of the first embodiment.
3 is provided.

That is, the cover body engaging mechanism 33 is
A shell-shaped lock pin 35 as an engaging body T shown in (1) of FIG. 11 is press-fitted into a hole 34 provided on the side of the inner retaining frame portion 11 of the surface portion 10a of the cover standby portion 10 of the case body 4, Ceiling 29a of slide hole 29 of slide cover 9
Engaging recesses 36 and 37 with which the lock pin 35 is detachably engaged are formed on both ends of the band in the longitudinal direction of the band.

When the slide cover 9 is located in the cover standby portion 10, the lock pin 35 engages with the engaging recess 36 so that the slide cover 9 does not move unintentionally. The slide cover 9 can be held at the standby position. Further, when the slide cover 9 is moved to the inner retaining frame 11 side of the case main body 4 until the stopper portion 31 abuts the slip-off preventing projection 10A by gripping the slide cover 9 with a fingertip, the lock pin 35 engages with the engaging recess 37 so that the slide cover 9 does not move unintentionally and can be held at the push button covering position. The other operations are the same as those in the above-described first embodiment.

As another embodiment of the cover body engagement mechanism 33, the engagement body T is formed by a spring 39 in a spring cylinder 38 inserted in the hole 34 as shown in FIG. The ball 40, which is biased by the spring 39 and partially protrudes from the narrowed opening 38a of the spring cylinder 38, may be housed.

As another embodiment of the cover body engaging mechanism 33, as shown in (3) and (4) of FIG. 11, the inner retaining frame of the surface portion 10a of the cover waiting portion 10 of the case body 4 is shown. Hole 4 having groove portions 39a at both ends of the bottom portion on the side of the portion 11
0, and the engaging body T is formed by forming a spring plate material into a hook-and-loop shape to form engaging claw portions 41 at both ends.
To engage the groove 39a with some play t to engage the engaging body T
May be inserted in the hole 40, or (5) in FIG.
As shown in FIG. 3, the engaging body T is formed by molding an elastic material made of rubber or a synthetic resin such as Teflon or propylene.
May be inserted into the hole 40.

(Third Embodiment) FIGS. 12 to 15 show a third embodiment of the clasp structure of the accessory of the present invention. In the case of the third embodiment, the slide cover 9 is stopped (fixed) at an appropriate position.
The other structure is the same as the clasp structure of the accessory of the first embodiment described above. As shown in FIGS. 13 and 15, this stopping means forms a ring groove portion 42 along the circumferential direction on the inner retaining frame portion 11 side of the cover standby portion 10 of the case body 4, and the ring groove portion 42 has a ring shape. The elastic body 43 is fitted and slidably contacted with the peripheral surface of the slide hole 29 of the slide cover 9 in a compressed state. As the elastic body 43, it is preferable to use a ring made of rubber or a synthetic resin such as Teflon or propylene.

Therefore, by gripping the slide cover 9 with a fingertip, the slide cover 9 is moved to the inner retaining frame portion 11 side of the case main body 4 or to the cover standby portion 10 side to release the fingertip from the slide cover 9. The slide cover 9 can be stopped at that position by the frictional force between the elastic body 43 and the peripheral surface of the slide hole 29. For this purpose, the push buttons 18, 19 are inserted into the push button insertion groove 30.
By inserting the front plate 7 into the front plate insertion groove 32 of the slide cover 9 and covering the push portions 21A of the push buttons 18 and 19 with the slide cover 9,
It is possible to prevent unintended external force from acting on the push buttons 18 and 19. Other operations are the same as in the case of the above-described first embodiment.

(Embodiment 4) Embodiment 4 of the clasp structure of the accessory of the present invention is shown in FIGS. In the case of the fourth embodiment, the case main body 4 has only the middle retaining frame portion 11, the case waiting portion 10 is omitted, and the middle retaining frame portion 11 is formed with one connecting link connecting portion 12A. The connecting piece 1A of the one watch band 1 is connected to the connecting piece connecting portion 12A by a pin 45. And this continuous piece 1A
A stopper pin 46 is attached to the side surface of the so as to be closer to the pin 45 side.

Further, when the slide cover 9 is at the standby position so as to cover the linking piece 1A, the pin 4 is attached to the one linking piece connecting portion 12A.
A notch-shaped opening 47 is provided on the surface of the linking piece 1A so that the linking piece 1A can be rotated about the fulcrum 5, and stoppers 31A are provided at both ends of the push button insertion groove 30 in the band longitudinal direction. 31B is formed, and other structures are the same as the clasp structure of the accessory of the first embodiment described above.

A cover body engaging mechanism 33 is provided on the linking piece 1A. This cover body engagement mechanism 33
The holes 34 formed in the upper surface portion 1B of the linking piece 1A are shown in FIG.
Shell-shaped lock pin 3 as the engaging body T shown in (2) of FIG.
5 is press-fitted into the slide hole 2 of the slide cover 9
Engagement recesses 36 and 37 with which the lock pin 35 is releasably engaged are formed on both ends of the ceiling portion 29a of 9 in the band longitudinal direction.

Then, as in the case of the second embodiment described above, after the wristwatch is mounted on the wrist, the slide cover 9 is picked up with the fingertips, and the slide cover 9 is held until the stopper portion 31A abuts on the stopper pin 46. To the inner retaining frame portion 11 side of the case main body 4 to insert the push buttons 18 and 19 into the push button insertion groove portion 30 and the front plate 7 into the opening portion 47, respectively. The pressing portion 21A of 19 is covered. At this time, the lock pin 35 engages with the engagement recess 36, and thus holds the slide cover 9 in the push button covering position.

Therefore, since the push portions 21A of the push buttons 18 and 19 are covered with the slide cover 9, unintended external force does not act on the push buttons 18 and 19. Therefore, the engagement between the engagement portion 23 and the engagement pin 6 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the slide cover 9 is pinched with a fingertip and the slide cover 9 is moved to the linking piece 1A side until the stopper portion 31B abuts the stopper pin 46. The push buttons 18 and 19 are pulled out from the push button insertion groove portion 30 and the front plate 7 is pulled out from the front plate insertion groove 32, respectively, and the push portions 21A of the push buttons 18 and 19 are brought out to the front. At this time, the lock pin 35 engages with the engagement recess 37 and holds the slide cover 9 at the standby position. Then, the push portions 21A of the one and the other push buttons 18 and 19 are sandwiched between the thumb and the forefinger and pushed inward, whereby the one and the other push buttons 18 and 19 are moved against the spring 20. The space between the engaging portions 23 is opened to release the engagement, the front plate 7 is opened to the outside, the engaging pin 6 is pulled out from the hole 15, and the mounting rod 2B is removed from the front plate 7.

As described above, in the case of the fourth embodiment, the case main body 4 has only the inner retaining frame portion 11, and the case standby portion 1
0 is omitted, and one linking piece connecting portion 12A is formed in the clasp frame portion 11. This connecting piece connecting portion 12A
Further, since the linking piece 1A of the one watch band 1 is connected by the pin 45, the push clasp mechanism 3 can be shortened, and the flexibility of the watch band can be improved.

(Fifth Embodiment) FIG. 19 shows a fifth embodiment of the clasp structure of the accessory of the present invention. In the case of the fifth embodiment, the slide cover 9 is provided not at the side of one watch band 1 but at the end of the other watch band 2.

That is, on one watch band 1 side, the case main body 4 has only the middle retaining frame portion 11, the case standby portion 10 is omitted, and the one side is connected to the middle retaining frame portion 11. A piece connecting portion 12A is formed, and the connecting piece 1A of one watch band is connected to the connecting piece connecting portion 12A by a pin 45.

On the other hand, on the other side of the watch band 2,
The mounting rod 2 is provided on the side surface of the linking piece 2A of the watch band 2.
A stopper pin 48 is attached to the side B. The slide cover 9 has an opening 49 formed in the cover main body 27 and the back cover 28, which is similar to the space portion having a U-shaped plane formed by the pair of arm portions 2C of the linking piece 2A. A slide hole 29 is formed inside along the longitudinal direction of the band. Push button insertion groove portions 30 are formed on both side surfaces of the slide hole 29.
Stoppers 31A and 31B are provided on both ends of the band 9 in the longitudinal direction of the band.

The slide cover 9 is slidably inserted into the slide hole 29 of the slide cover 9 and fitted on the slide piece 2A.
8 is inserted in the push button insertion groove 30. A cover body engaging mechanism 33 is provided on the linking piece 2A.

That is, the cover body engaging mechanism 33 is
Hole 3 provided on the upper surface of the arm portion 2C of the linking piece 2A
4, a bullet-shaped lock pin 35 as an engaging body T shown in FIG. 19B is press-fitted, and the lock pin 35 is attached to both ends of the ceiling portion 29a of the slide hole 29 of the slide cover 9 in the band longitudinal direction. Engagement recess 3 for releasably engaging
6, 37 are formed.

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, after the wristwatch is placed along the wrist, the mounting rod 2B at the end of the other watch band 2 is attached to the case body 4 described above.
Is hooked on the front plate 7 connected to the front plate 7, and in this state, the front plate 7 is folded, and the front plate 7 is fitted into the front plate fitting recess to form the engaging pin 6 provided on the front plate 7. The wristwatch is worn on the wrist by inserting the engaging pin 6 into the button-side engaging portion, that is, the engaging portions 23 of the one and the other push buttons 18 and 19 which face each other. Mounting.

Next, by grasping the slide cover 9 with a fingertip, the stopper portion 31B is moved to the stopper pin 48.
The slide cover 9 toward the inner retaining frame 11 side of the case body 4 until the push button 18 or 19 is inserted into the push button insertion groove 30. Cover the pressing portion 21A. At this time, the lock pin 35 engages with the engagement recess 36, and thus holds the slide cover 9 in the push button covering position.

Therefore, since the push portions 21A of the push buttons 18 and 19 are covered with the slide cover 9, unintended external force does not act on the push buttons 18 and 19. Therefore, the engagement between the engagement portion 23 and the engagement pin 6 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the slide cover 9 is pinched with a fingertip, and the slide cover 9 is connected to the other watch band 2 until the stopper portion 31A abuts the stopper pin 48. Move to the bridge piece 2A side, pull out the push buttons 18 and 19 from the push button insertion groove portion 30, and push the push button 1
The pressing portions 21A of Nos. 8 and 19 are exposed.

Then, one and the other push button 1
One and the other push buttons 1 by pressing the pushing portions 21A of 8 and 19 between the thumb and forefinger and pushing them inward
By moving 8 and 19 against the spring 20, the gap between the engaging portions 23 is opened to release the engagement, the front plate 7 is opened to the outside, and the engaging pin 6 is pulled out from the hole portion. The mounting rod 2B is removed from the front plate 7.

As described above, in the case of the fifth embodiment, the slide cover 9 is provided not at the side of the one watch band 1 but at the end portion of the other watch band 2, and at the one watch band 1 side. The case main body 4 has only the middle retaining frame portion 11, the case standby portion 10 is omitted, and the one retaining frame connecting portion 12A is formed in the middle retaining frame portion 11. Since the connecting piece 1A of one of the watch bands is connected to the connecting piece connecting portion 12A by the pin 45, the push clasp mechanism 3 can be shortened, and the flexibility of the watch band is improved. be able to.

(Embodiment 6) Embodiment 6 of the clasp structure of the accessory of the present invention is shown in FIGS. This Example 6 is
It is a clasp structure of a one-push type accessory. The clasp structure of the accessory includes a case body 4, a push button mechanism portion 8 having one push button 18 and two springs 20, and a slide cover 9.

The case main body 4 has a cover standby portion 10 and a retaining ring frame portion 11, and a surface portion of the cover standby portion 10 is formed with a projecting portion 50 which is raised to one side and is raised. A cover sliding portion 51 is formed so as to avoid the projecting portion 50, and the lock pin 3 of the cover body engaging mechanism 33 is provided on the surface of the cover sliding portion 51 on the inner retaining frame 11 side.
5 are provided. Further, a push button charging portion 13 is provided on the inner retaining frame portion 11 of the case body 4. This push button loading portion 13 has one end closed,
Spring receiving portions 52 and 53 are provided in the push button loading portion 13 so as to be separated from each other in the band longitudinal direction, and one retaining pin 54 is disposed in the push button loading portion 13. .

A push button 18 is inserted in the push button insertion portion 13, and the original spring receiving portion 25 and the front spring receiving portion 2 of the push button 18 are inserted.
6, the spring 20 is interposed between the spring 6 and the spring receiving portion 52, 53, and the stopper portion 24 of the push button 18 is in contact with the retaining pin 54 by the urging force of these springs 20, The push portion 21A of the push button 18 projects outward from the push button loading portion 13.

Further, the cover standby portion 1 of the case body 4
0, the slide cover 9 is slidably contacted with the slide cover 9 so that the slide cover 9 can be moved in the longitudinal direction of the band. That is, the slide cover 9 has a slide groove 55 formed in one side portion of the cover body 49 along the band longitudinal direction, and a push button insertion groove portion is formed on an end surface portion 55A on the side opposite to the opening portion of the slide groove 55. 56 and a guide hole 57 along the longitudinal direction of the band are formed. Further, on the inner surface of the slide groove 55 of the slide cover 9, there are formed a front plate insertion groove portion 58 and engagement concave portions 62 and 63 located on both sides in the band longitudinal direction. In the slide cover 9, the cover sliding portion 51 is slidably inserted into the slide groove 55, and the guide is inserted into the guide hole 57 and screwed into the side surface of the cover sliding portion 51. Pin 5
It is attached to the case main body 4 while being held by 9. In this state, the lock pin 35 is engaged with the engaging recess 63.
Is releasably engaged with.

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

First, after placing the wristwatch along the wrist, the mounting rod 2B at the end of the other watch band 2 is attached to the case body 4 described above.
Is hooked on the front plate 7 connected to the front plate 7, and in this state, the front plate 7 is folded, and the front plate 7 is fitted into the front plate fitting recess 14 so that the engaging pin 6 provided on the front plate 7 is The wristwatch is attached to the wrist by inserting it into the hole 15 and engaging the engaging pin 6 with the engaging portion 32 of the push button 18.

Next, by grasping the slide cover 9 with a fingertip, the slide cover 9 is held on the inner retaining frame portion 11 side of the case body 4 until the guide pin 59 abuts on the band side end portion 57A of the guide hole 57. Then, the push button 18 is inserted into the push button insertion groove 56 and the front plate 7 is inserted into the front plate insertion groove 58, and the push cover 21A of the push button 18 is covered by the slide cover 9. In this state, the lock pin 35 releasably engages with the engagement recess 62.

Therefore, the push portion 2 of the push button 18
Since 1A is covered by the slide cover 9, unintended external force does not act on the push button 18. Therefore, the engagement between the engagement portion 32 and the engagement pin 6 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the slide cover 9 is picked up with a fingertip and the slide cover 9 is held until the guide pin 59 abuts against the end 57B of the guide hole 57. Case standby part 1
The push portion 21A of the push button 18 is pulled out from the push button insertion groove portion 56 by moving to the 0 side and the push plate 21 of the push button 18 is pulled out from the push plate insertion groove 58.
Show 1A. Then, by pushing the push portion 21A, the push button 18 is moved against the spring 20 to disengage the engaging portion 32 of the push button 18 from the engaging pin 6.

(Embodiment 7) Further, in Embodiments 1 to 6 described above, the case where the clasp structure of the present invention is attached to a single lock type watch band structure has been described. The middle clasp structure of the present invention is attached to a timepiece band structure having a middle folding member having a tri-fold structure.

The clasp structure of this accessory includes a front plate 63 formed by bending a plate material into a U-shaped cross section as shown in FIG. 23 to FIG. 26. A button through hole 64 is formed at an intermediate portion of both side surface portions 63A, one end of each side surface portion 63A is formed as a middle plate connecting portion 61, and the other end of both side surface portion 63A is at a band connecting portion 62A. Is made in. Also, one side surface portion 63
An engaging projection 65 is formed at the approximate center of A.

On the back side of the front plate 63, a push button mechanism portion 8 which is located at an intermediate portion and unitized is fixed, and the push button mechanism portion 8 is
A box 67 having a size to be inserted into the back side of the front plate 63 is provided, and the inside of the box 67 is formed as a push button insertion portion 13 having openings on both sides in the lateral direction of the band. Similar to the one shown in FIG. 4, one push button 18 is inserted into the portion 13 from one end side, and the other push button 19 is inserted from the other end side, respectively. Part 2
5 and the front side spring receiving portion 26 of the other push button 19 and the front side spring receiving portion 2 of the one push button 18.
The springs 20 are respectively interposed between 6 and the original spring receiving portion 25 of the other push button 19,
Due to the biasing force of these springs 20, the one and the other push buttons 18, 19 are separated from each other, and the stopper portion 24 of the one push button 18 is attached to the one retaining pin 16A and the stopper portion of the other push button 19. 24 are in contact with the other retaining pin 16B.

Then, one and the other push button 1
The engaging portions 23 of 8 and 19 face each other, and these constitute the button side engaging portion. In addition, the push portion 21A of the push buttons 18 and 19 is the push button loading portion 1
3 penetrates the button through hole 64 and projects outward.

Then, the cover standby portion 63 of the front plate 63.
On B, a slide cover 68 is provided so as to be movable in the longitudinal direction of the band. That is, the slide cover 68 is bent and formed in a U-shaped cross section following the shape of the front plate 63, and the cover surface portion 68A and the end wall portions 68B formed at both ends of the cover surface portion 68A in the band widthwise direction. And a guide hole 69 that is long in the band longitudinal direction is formed in a substantially central portion of the cover surface portion 68A. Then, the both end wall portions 68B are, as shown in (2) of FIG. 26, the front plate 63.
The holding portion 70 is formed by bending the end portions thereof in a U-shaped cross section so as to hold the both side surface portions 63A. Further, a push button insertion groove portion 71 formed by bulging the end wall portion 68B outward is formed in the middle of the end wall portion 68B, and the end wall portion 68B has a band as shown in FIG. Engagement hole portions 72A and 72B are formed at both ends in the longitudinal direction and engageably engage with the engagement protrusion 65 in a disengageable manner. When the slide cover 68 is provided on the front plate 63, the cover surface portion 68A is superposed on the surface portion of the front plate 63, and the guide bolt 73 is inserted into the guide hole 69. 73 is fixed by a nut 73A in a state of penetrating the surface portion of the front plate 63, and the holding portion 70 slidably holds the end edges of both side surface portions 63A of the front plate 63.

The middle folding member 60 having a three-fold structure is composed of an outer plate 75 having an engagement pin 74 and an intermediate plate 76 rotatably connected to one end of the outer plate 75. The other end of the outer plate 75 is rotatably connected to the linking piece 1A at the end of the one watch band 1, and the end of the middle plate 76 is the front plate of the push clasp mechanism 3. The middle plate connecting portion 61 of 63 is connected by a connecting pin 61A, and the band connecting portion 62 of the front plate 63 is connected to the connecting piece 2B at the end of the other watch band 2.

The slide cover 68 is attached to the front plate 6.
In the state of the cover standby portion 63B of No. 3, the engagement protrusion 65 releasably engages with the engagement hole portion 72A to hold the slide cover 68 on the cover standby portion 63B of the front plate 63.

When the wristwatch is worn on the wrist, the middle plate 76 of the three-folded middle folding member 60 is folded toward the outer plate 75, and the engagement provided on the outer plate 75. The pin 74 is inserted into the hole portion 15 of the push clasp mechanism 3, and the engagement pin 74 is inserted into the button side engagement portion, that is, the one and the other push buttons 18 and 19 as shown in FIG. Of the engaging portions 23 facing each other.

Next, the slide cover 68 is picked up with a fingertip, and the slide cover 68 is moved to the push button mechanism 8 side until the engagement projection 65 engages with the engagement hole 72B in a disengageable manner. The push portions 21A of the push buttons 18 and 19 are inserted into the push button insertion groove portions 71 to cover up the push portions 21A.

Therefore, since the push portions 21A of the push buttons 18 and 19 are covered with the slide cover 9, unintended external force does not act on the push buttons 18 and 19. Therefore, the engagement between the engagement portion 23 and the engagement pin 74 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the slide cover 68 is pinched with the fingertips until the engaging projection 65 engages with the engaging hole portion 72A in a disengageable manner.
Move the slide cover 68 to the case standby portion 63B side to push the push button 18 from the push button insertion groove portion 71,
19 is pulled out, and the push portion 2 of the push buttons 18 and 19
Show 1A. And push button 18 with your fingertips,
By pushing the push portion 21A of 19, the push button 1
By moving 8 and 19 against the spring 20, the engaging portion 23 of the push buttons 18 and 19 is disengaged from the engaging pin 74, and the middle plate 76 is disengaged from the outer plate 75 to perform expansion.

(Embodiment 8) In Embodiments 1 to 5 and 7 described above, the slide cover 9 (68) for covering both the push buttons 18 and 19 is presented. However, the slide cover of the present invention includes the push button 1
It may be one that covers either one of 8 and 19. It will become apparent in Example 8 below. In the eighth embodiment, the clasp structure of the present invention is attached to a timepiece band structure having a folding member having a double door structure.

The push clasp mechanism 3 of this clasp structure is provided with a front plate 63 formed by bending a plate material into a U-shaped cross section as shown in FIGS. 27 to 32. A button through hole 64 and a guide hole 78 elongated in the band longitudinal direction are formed on both side surfaces 63A in the lateral direction.
Further, one end of each of the side surface portions 63A is formed as a connecting piece connecting portion 61. Further, an engaging projection 79 is formed at the substantially center of one side surface portion 63A.

On the back side of the front plate 63, a push button mechanism portion 8 which is located at an intermediate portion and unitized is fixed, and the push button mechanism portion 8 is
It has the same configuration as the push button mechanism portion 8 in the above-described seventh embodiment. Further, the push portions 21A of the push buttons 18 and 19 penetrate the button through hole 64 from the push button insertion portion 13 and project outward.

A slide cover 80 is provided movably in the longitudinal direction of the band only on the side surface portions 63C on both side surface portions 63A of the front plate 63 from which the push buttons 18 project. That is, the slide cover 80 has a strip shape that follows the shape of the side surface portion 63C of the front plate 63,
The slide cover 80 has a push button insertion groove 81 formed by bulging the surface outward, and the tip of the push button insertion groove 81 has a tip end of the slide cover 80 as shown in FIG. The push button insertion groove 81 is closed at its base end.
Further, as shown in FIG. 28, the slide cover 80 is formed with engaging hole portions 82A and 82B which are located at both ends in the longitudinal direction of the band and engageably engage with the engaging protrusion 79 in a disengageable manner.

The guide pin 83 inserted from the inside of the front plate 63 into the guide hole 78 is screwed to the inner surface of the base end portion of the slide cover 80, and the slide cover 80 is attached to the front plate 63. It is provided outside both side surface portions 63A so as to be movable in the longitudinal direction of the band.

Further, the center folding member 77 having a double door structure.
The one end portion of one middle plate 87 is attached to the one end portion of the outer plate 86 having the engagement pin 85 which is the engaging portion on the side of the center folding member.
The other end part of the other middle plate 88 is pivotally attached to the other end part of the other middle plate 88. The other end portion of the other middle plate 88 is connected to a middle plate connecting portion (not shown) of the front plate 63 of the push button clasp mechanism 3 by a connecting pin (not shown). ), And the connecting piece 2A at the end of the other watch band 2 is connected to the connecting piece connecting portion 61 of the front plate 63 through the hole 62.

The slide cover 80 is attached to the front plate 6.
In the state of the cover stand-by portion 63B of No. 3, the engagement projection 79 is disengageably engaged with the engagement hole portion 82 to hold the slide cover 80 on the cover stand-by portion 63B of the front plate 63.

When the wristwatch is worn on the wrist, one middle plate 87 of the center folding member 77 having a double door structure is folded to the outer plate 86 side, and then the other middle plate 88 is folded to the outer plate. 86, the engaging pin 85 provided on the outer plate 86 is inserted into the hole portion 15 of the push clasp mechanism 3, and the engaging pin 85 is attached to the button side engaging portion, that is, one side. And the other push button 18,
It engages with the engaging portion 23 of 19 facing each other.

Next, the slide cover 80 is picked up with a fingertip, and the slide cover 80 is moved to the push button mechanism 8 side until the engagement projection 79 engages with the engagement hole 82B in a disengageable manner. The push portion 21A of the push button 18 into the push button insertion groove portion 81,
Cover A. In this state, since the push portion 21A of the push button 18 is hidden by the slide cover 80, the push button 18 is not pushed even if an unintended external force is applied, but it is covered by the slide cover 80. The push button 19 which is not hidden,
It is pressed by the load of external force.

However, even if only the push button 19 is pressed, the front plate 63 is removed from the outer plate 86, and the outer plate 8 is removed.
It is not possible to expand the other middle plate 88 from 6. This is because when the push button 19 is pressed, the arcuate engagement portion of the push button 19 is separated from the engagement pin 85, and the engagement between the push button 19 and the engagement pin 85 is released. This is because the arcuate engagement portion of the push button 18 holds the engagement with the engagement pin 85 unless the push button 18 is pressed. That is, unless both push buttons 18 and 19 are pressed,
Engaging portions 23 of the push buttons 18 and 19 facing each other
This is because the engagement between the engagement pin 85 and the engagement pin 85 is not released.

As described above, when the push clasp mechanism shown in FIG. 4 is used in the present invention, one of the push buttons 18 and 19 may be covered with the slide cover of the present invention.

Therefore, the push portion 2 of the push button 18
Since 1A is covered by the slide cover 80, unintended external force does not act on the push button 18. Therefore, like the one shown in FIG. 4, the engagement between the engagement portion 23 and the engagement pin 85 is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the slide cover 80 is pinched with a fingertip until the engaging projection 79 engages with the engaging hole portion 82A in a disengageable manner.
The slide cover 80 is moved to the case standby portion 63B side, the push button 18 is pulled out from the push button insertion groove portion 81, and the push portion 21A of the push button 18 is exposed. Then, with the tip of the finger, the push portion 2 of the push buttons 18, 19
By pushing 1A, the push buttons 18 and 19 are moved against the spring 20, and the push buttons 18 and 19 are moved.
The engaging portion 23 is removed from the engaging pin 85, the other middle plate 88 is removed from the outer plate 86 and expanded, and then one middle plate 87 is removed from the outer plate 86 and expanded.

As is clear from the above embodiments,
It is preferable that the cover body (slide cover) covers the entire push button, but if it covers the push button so that it cannot be pressed, if it covers at least a part of the push button, the object of the present invention is achieved. Is. Further, the shape of the cover body may be a hollow box body, a frame body having a U-shaped cross section, a frame body having a L-shaped cross section, or a flat plate, and various shapes are possible depending on the embodiment. Needless to say.

[0098]

As described above, the clasp structure of the accessory according to the invention of claim 1 engages with the engaging portion of the push button by the push operation of the push button protruding from the lateral side of the accessory. Equipped with a push clasp mechanism that can release the engagement with the engaging part of the mating member, the push clasp mechanism covers the push button by movement in one direction and exposes the push button by movement in the other direction. By providing the cover body for allowing the wristwatch as an accessory to be fitted along the wrist, the engaging portion of the engaging member is engaged with the button side engaging portion, and the cover body is attached to the fingertip after the wristwatch is mounted on the wrist. Then, the cover body is moved in one direction to cover the push portion of the push button with the cover body so that an unintended external force does not act on the push button. Therefore, the engagement between the engaging portion of the push button and the engaging portion of the engaging member is prevented from being released, and the wristwatch can be prevented from falling off.

When the wristwatch is removed from the wrist, the cover body is pinched with a fingertip and moved in the other direction to expose the push button, and the push button is pushed to engage the engaging member. This is performed by releasing the engagement of the push button of the joint portion with the engagement portion.

Further, 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
By providing the cover body at the push clasp mechanism or the connecting end of the accessory connected to the push clasp mechanism, not only the same effect as the effect of the invention of claim 1 but also clasp can be achieved. The structure can be shortened, and the flexibility of the accessory can be improved.

The clasp structure of the accessory according to the invention of claim 3 is the clasp structure of the accessory according to claim 1 or 2, and the clasp structure of the accessory according to claim 1 or 2. By providing the cover body engaging mechanism that engages with the cover body in a disengageable manner, not only the same effect as the effect of the invention of claim 1 can be obtained, but also the cover body engaging mechanism causes the cover body to engage. , For example, by fixing the push button in a position to cover it, it is ensured that the push button is pressed by an unintended external force and the engagement between the engaging part of the clasp mechanism and the engaging part of the engaging member is released. Can be prevented.

Further, in the clasp structure of the accessory according to the invention of claim 4, in the clasp structure of the accessory according to claim 1, claim 2 or claim 3, the cover body is moved by sliding. When the cover body is stopped at an appropriate position, the same effect as that of the invention of claim 1 can be obtained, and the cover body engaging mechanism covers the cover body, for example, the push button. By fixing the position to the position, it is possible to reliably prevent the push button from being pressed by an unintended external force to release the engagement between the engaging portion of the clasp mechanism and the engaging portion of the engaging member, A push operation may be performed by stopping the cover body at another appropriate position, and this push operation can be facilitated.

Further, the clasp structure of the accessory according to the invention of claim 5 is the clasp structure of the accessory according to claim 1, 2 or 3 or 4, wherein the push of the cover body is performed. By providing the retaining mechanism that prevents the clasp mechanism, or the accessory connected to the push clasp mechanism from falling off from the connection end, not only the same effect as that of the invention of claim 1 can be achieved, The cover body does not fall off, and the cover body can always be fixed to the position where the push button is covered.

Further, the clasp structure of the accessory according to the invention of claim 6 is the clasp structure of the accessory according to claim 1 or claim 2, claim 3 or claim 4 or claim 5. Since the clasp mechanism is a double push clasp structure, not only the same effect as the effect of the invention of claim 1 can be obtained, but also a commercial product similar to the conventional clasp structure can be realized.

Further, the clasp structure of the accessory according to the invention of claim 7 is the clasp structure of the accessory according to claim 1 or claim 2 or claim 3 or claim 4 or claim 5. Since the clasp mechanism has the one-push clasp structure, not only the same effect as the effect of the invention of claim 1 can be obtained, but also the commercial clasp structure of the conventional clasp structure can be realized.

The clasp structure of the accessory according to the invention of claim 8 is the clasp structure of the accessory according to claim 1, claim 2 or claim 3, or claim 4 or claim 5. Since the retaining mechanism is provided in the accessory structure in which the center folding member has a plurality of folds, not only the same effect as the effect of the invention of claim 1 can be obtained, but also the commercialization of the conventional clasp structure is possible. Become.

Further, the clasp structure of the accessory according to the invention of claim 9 is the clasp structure of the accessory according to claim 1 or claim 2 or claim 3 or claim 4 or claim 5. By providing the retaining mechanism in the accessory structure in which the center folding member has a double-door structure, not only the same effect as the effect of the invention of claim 1 can be obtained, but also the commercialization of the conventional center retaining 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 taken along line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a sectional view taken along line CC of FIG. 2;

FIG. 5 is a sectional view of a slide cover.

FIG. 6 is a perspective view in which a part of an end portion of a slide cover in a band longitudinal direction is omitted.

FIG. 7 is a perspective view of a second embodiment of the clasp structure of the accessory according to the present invention.

FIG. 8 is a sectional view taken along line DD of FIG. 7;

FIG. 9 is a sectional view taken along the line EE in FIG. 7;

FIG. 10 is a sectional view of a slide cover.

FIG. 11 (1) is a front view of an engagement body of the cover body engagement mechanism in the clasp structure of the accessory. (2) is a longitudinal sectional view of another engagement body of the cover body engagement mechanism. (3) is a longitudinal sectional view of another engagement body of the cover body engagement mechanism.
(4) is an enlarged view of the F portion of (3). (5) is a longitudinal sectional view of another engagement body of the cover body engagement mechanism.

FIG. 12 is a third embodiment of the clasp structure of the accessory according to the present invention.
It is a perspective view of.

13 is a cross-sectional view taken along the line GG of FIG.

FIG. 14 is a sectional view taken along the line HH in FIG. 12;

FIG. 15 (1) is a perspective view of an I part of FIG. 13 in an exploded state. (2) is a sectional view taken along the line JJ of FIG. 13.

FIG. 16 (1) is a perspective view of Embodiment 4 of the clasp structure of the accessory according to the present invention. (2) is an explanatory view of a cover body engaging mechanism.

FIG. 17 is a sectional view taken along the line KK of FIG.

FIG. 18 is a perspective view of a linking piece in the clasp structure of the accessory.

FIG. 19 (1) is a perspective view of Embodiment 5 of the clasp structure of the accessory according to the present invention. (2) is an explanatory view of a cover body engaging mechanism.

FIG. 20 is a sixth embodiment of the clasp structure of the accessory according to the present invention.
It is a perspective view of.

21 is a cross-sectional view taken along the line LL in FIG.

FIG. 22 is a plan view of the clasp structure of the accessory according to the present invention with a part thereof omitted.

FIG. 23 is a perspective view of a three-fold watch band structure including a push clasp structure (Example 7) according to the present invention.

FIG. 24 is a seventh embodiment of the push clasp structure according to the present invention.
It is the perspective view seen from the front side.

FIG. 25 is a perspective view of the push clasp structure seen from the back side.

FIG. 26 (1) is a sectional view of the guide mechanism portion of the cover body. (2) is a detailed view of the N portion of FIG. 25.

FIG. 27 is a perspective view of a watch band structure having a double door structure having a push clasp structure (Embodiment 8) according to the present invention.

FIG. 28 is an eighth embodiment of the push clasp structure according to the present invention.
FIG.

29 is a cross-sectional view taken along the line OO of FIG.

FIG. 30 is a perspective view seen from a section taken along the line P-P of FIG. 28.

FIG. 31 is a perspective view with a part of the front plate omitted.

FIG. 32 is a perspective view seen from the back side of the slide cover.

FIG. 33 is a perspective view in which a part of a conventional watch band structure having a push clasp structure is omitted.

FIG. 34 is a plan view of the internal structure of a conventional push clasp structure.

[Explanation of symbols]

 1 One watch band 2 The other watch band 3 Push clasp mechanism 6 Engaging pin (engaging part) 7 Front plate (engaging member) 8 Push button mechanism part 9 Slide cover 18, 19 Push button

Claims (9)

[Claims] 1. A push clasp mechanism that is capable of releasing the engagement between the engagement portion of the push button and the engagement portion of the engagement member by a push operation of a push button protruding from a lateral side surface of the accessory, The clasp structure of the accessory, wherein the push clasp mechanism is provided with a cover body that covers the push button by movement in one direction and exposes the push button by movement in the other direction. 2. The clasp structure of an accessory according to claim 1, wherein the cover body is provided at the push clasp mechanism or a connecting end of the accessory clasp connected to the push clasp mechanism. 3. The clasp structure of the accessory according to claim 1, further comprising a cover body engaging mechanism that engages with the cover body in a detachable manner. 4. The clasp structure of an accessory according to claim 1, 2, or 3, wherein the cover body is moved by sliding to stop the cover body at an appropriate position. 5. The retaining mechanism for preventing the cover body from falling off from the push clasp mechanism or the connecting end of an accessory connected to the push clasp mechanism, according to claim 1 or 2. The clasp structure of the accessory according to claim 3 or 4. 6. The clasp structure of the accessory according to claim 1, 2 or 3, or 4 or 5, wherein the push clasp mechanism has a double push clasp structure. 7. The clasp structure of the accessory according to claim 1, 2 or 3, 4 or 5, wherein the push clasp mechanism has a one-push clasp structure. 8. 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 accessory configuration in which a plurality of middle folding members are folded. Construction. 9. The clasp structure of the accessory according to claim 1, 2 or 3, or 4 or 5, wherein the push clasp mechanism is provided in a jewelry configuration in which the center folding member is a double door. .