JPH09140417A - Inner fastening structure for accessory provided with lock mechanism part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the detachment of an accessory by providing a rotation type knob for an operation in a push inner fastening mechanism and providing a lock mechanism part for controlling the pressurization of a push button at a prescribed control position on the knob for the operation. SOLUTION: The push inner fastening mechanism is provided with the rotation type knob 36 for the operation and the lock mechanism part 14 for controlling the pressurization of the push buttons 11 and 12 at the prescribed control position is disposed to the knob 36 for the operation. The lock mechanism part 14 is provided with a lock piece 37 to be rotated linked with the rotation of the knob 36 for the operation and the lock piece 37 is engaged with the push buttons 11 and 12 and controls the pressurization of the push buttons 11 and 12 at the control position. Thus, even when the push buttons 11 and 12 are pressurized by unintentional external force, the release of the engagement of the engagement part 31 of the push inner fastening mechanism and an engagement pin is prevented and the falling is prevented.

Description

Detailed Description of the Invention

[0001]

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

[0002]

21 and 22 show a clasp structure of an accessory for a watch band of a conventional wristwatch. In the clasp structure of this accessory, the push button insertion portion 81 of the clasp frame 80 is
One push button 82 is inserted from one end side, and the other push button 83 is inserted from the other end side.
And the front side spring bearing portion 89B of the other push button 83 and the front side spring bearing portion 8 of the one push button 82.
9B and the original spring receiving portion 89 of the other push button 83
A spring 84 is respectively interposed between A and
Due to the biasing force of these springs 84, the one and the other push buttons 82 and 83 are separated from each other, and the stopper portion 89 of the one push button 82 is attached to the one retaining pin 87A and the stopper portion of the other push button 83. 89 are in contact with the other retaining pin 87B.

Then, one and the other push button 8
The engaging portions 87 of Nos. 2 and 83 face each other, and these constitute the button side engaging portion. Further, the push portions 85A of the push buttons 82 and 83 are the push button loading portions 8
1 Project outwards.

Then, one watch band 90 is connected to the connecting piece connecting portion 82A at one end of the clasp 80.
The front plate 93 is attached to the other end of the hinge connecting portion 82B via the hinge 92, and the engaging pin 94 is attached to the back surface of the front plate 93.

After placing the wristwatch along the wrist, the mounting rod 96 at the end of the other watch band 95 is attached to the front plate 93.
, The front plate 93 is folded, the front plate 93 is fitted into the fitting recess 97, and the engaging pin 94 is inserted into the hole 98.
The wristwatch is mounted on the wrist by engaging the engagement pin 94 with the engagement portion on the button side, that is, the engagement portions 87 of the one and the other push buttons 82 and 83 facing each other.

When the wristwatch is removed from the wrist, the push portions 85A of the push buttons 82 and 83 on the one side and the other side are sandwiched between the thumb and the index finger and pushed inward to push the push buttons 82 and 83 on the other side. Is moved against the spring 84 to open the space between the engaging portions 87 to release the engagement, open the front plate 93, pull out the engaging pin 94 from the hole 98, and remove the mounting rod 96 from the front plate. Remove from 93.

[0007]

However, in the above clasp structure of the accessory, the push button 8 is used.
Since the pushbuttons 82 and 83 may be pressed by an unintended external force because the locks of Nos. 2 and 83 are not present, the engagement between the engagement portion 87 and the engagement pin 94 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 its purpose is to push the push button by an unintended external force to engage with the engaging portion of the push clasp mechanism. An object of the present invention is to provide a clasp structure for an accessory that prevents the member from being disengaged from the engaging portion and prevents 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 that can release the engagement between the engaging portion and the engaging portion of the engaging member. The push clasp mechanism has a rotary operation knob, and the operation knob has a predetermined operation knob. It is characterized in that a lock mechanism section for restricting the push of the push button at the restriction position is provided.

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 lock mechanism portion is provided with the operation knob. It has a lock piece which rotates in conjunction with rotation, and this lock piece engages with the push button in the regulation position and regulates pressing of the push button.

In order to achieve the above object, the clasp structure of the accessory according to the invention of claim 3 is the clasp structure of the accessory according to claim 1 or 2, wherein the operation knob is It is a pressing rotary type that can be rotated by being pressed in the vertical direction along the rotation axis.

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 lock mechanism section includes a click mechanism section that generates a click in conjunction with the rotation of the operation knob.

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

In order to achieve the above object, 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 or claim 3 or claim 4. 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 7 is the clasp structure of the accessory according to claim 1 or claim 2 or claim 3 or claim 4. The push clasp mechanism is provided in the accessory structure in which the middle folding member has a plurality of folds.

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 the accessory according to claim 1 or claim 2 or claim 3 or claim 4. The push clasp mechanism is provided in an accessory configuration in which the center folding member is a double door.

In order to achieve the above object, 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. The push clasp mechanism is provided in the accessory structure in which the center folding member is a single type.

With this structure, the accessory is fitted along the wrist, the engaging portion of the engaging member is engaged with the button-side engaging portion to mount the accessory on the wrist, and then the operating knob is rotated to a predetermined regulation. When the push button is pressed by the lock mechanism section at a position, the engagement between the engagement section of the push button and the engagement section of the engagement member is released even if an unintended external force acts on the push button. Is prevented, and the accessory is prevented from falling off.

[0020]

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

(First Embodiment) FIG. 1 is a perspective view showing a first embodiment of a clasp structure of an accessory according to the present invention attached to a middle folding member having a three-fold structure, and FIG. 2 is the same. 3 is a perspective view of the disassembled state of the clasp structure, FIG. 3 (1) is an explanatory diagram of the structure of the push clasp mechanism, FIG. 3 (2) is an explanatory diagram showing the operating range of the operating knob, and FIG. 4 is the present invention. It is a longitudinal cross-sectional view of the first embodiment of the clasp structure of the accessory.

An accessory to which the clasp structure of the accessory according to the present invention is assembled, for example, a watch band structure having a tri-fold structure,
One band attachment part (not shown) of a wrist watch (not shown)
One of the watch bands 1 connected to the watch, the other watch band 2 connected to the other band mounting portion (not shown) of the wristwatch, the push clasp mechanism (middle clasp tool) 3, and the three-fold structure. It is composed of a middle folding member 4.

The middle folding member 4 having a three-fold structure is composed of an outer plate 5 having an engaging pin 7 which is an engaging member, and an intermediate plate 6 rotatably connected to one end of the outer plate 5. It is configured. The other end of the outer plate 5 is the one watch band 1
Is rotatably connected to the linking piece 1A at the end thereof, and the end of the middle plate 6 is connected to the middle plate connecting portion 9A of the front plate 8 of the push clasp mechanism 3 by a connecting pin 9C. The band connecting portion 9B of the front plate 8 is connected to the connecting piece 2A at the end of the other watch band 2. The engaging pin 7 has a shaft portion 7b and an umbrella portion 7a formed at the tip thereof.

The push clasp mechanism 3 includes the front plate 8
And a push button insertion portion 13 provided on the front plate 8.
The push button mechanism section 10 provided in the above, and the lock mechanism section 14 for preventing the push operation of the push buttons 11 and 12 of the push button mechanism section 10 are provided.

That is, end walls 8A are formed at both ends of the front plate 8 in the lateral direction of the band, and the middle plate connecting portion 9A is provided at one end of these end walls 8A and the other end is provided. The band connecting portions 9B are respectively formed on the sides. Further, a cutout portion 8E is formed near the band connecting portion 9B side of the end wall portion 8A. Further, a circular concave portion 8C is formed in the surface portion 8B of the front plate 8, and the concave portion 8C has a shaft hole 8D.
Is formed.

A push button insertion portion 13 is formed on the back surface of the front plate 8. The push button insertion portion 13 is constructed by attaching a back cover 15 to the back surface of the front plate 8. That is, the back cover 15 has a pair of rising pieces 16 spaced apart from each other in the band widthwise direction on one end side, and a rising wall portion 17A on the other end side, and the surface portion of the back cover 15 is also formed. 15A has a pair of holes 17 and a pin insertion hole 27 that are spaced from each other on the side of the rising piece 16 and are separated from each other in the lateral direction of the band.
The back cover 15 is attached to the back surface of the front plate 8 by fixing the retaining pins 18 inserted in these holes 17 to the back surface of the front plate 8, and the back lid 15 is attached to the back surface of the front plate 8. 1
5 and the back surface of the front plate 8 and the cutout portion 8E constitute the push button charging portion 13 along the lateral direction of the band. Openings 13A at both ends of the push button insertion portion 13 in the lateral direction of the band are formed by the edge portion of the back cover 15 and the cutout portion 8E. The side of the back cover 15 on the side of the middle plate connecting portion 9A is formed with a lock piece insertion port portion 19 formed by a space between the pair of rising pieces 16.

A housing portion 20 for the lock mechanism portion 14 is formed on the back side of the front plate 8 near the middle plate connecting portion 9A. The housing portion 20 is configured by mounting a back cover 22 having a rising wall portion 21 formed on one end side on the back side of the front plate 8. That is, in the surface portion 22A of the back cover 22, a pair of holes 23 that are separated from each other in the band width direction toward the rising wall portion 21 and a hole 24 located on the opposite side of the rising wall portion 21.
By fixing the retaining pin 25 inserted in the hole 23 and the positioning pin 26 inserted in the hole 24 to the back surface of the front plate 8, the back cover 22 is attached to the back surface of the front plate 8. It is installed.

The push button mechanism portion 10 is inserted in the push button insertion portion 13.
The push button mechanism section 10 includes one and the other push buttons 11 and 12 and two springs 28, and the one and the other push buttons 11 and 12 are
As shown in (1) of FIG. 3, it has a button body 29 having a push portion 29A formed at an end thereof, and the button body 29 has a narrow portion 29B formed on the push portion 29A. An opening 30 that is long in the band widthwise direction is formed in the narrow portion 29B, and an arc-shaped engaging portion 31 is provided on the front side of the opening 30 and a base side is provided on the base side of the opening 30. Spring receiving part 3
2 are respectively formed, the tip end of the narrow portion 29B is formed on the front side spring receiving portion 33, and further, on the push portion 29A side of the button main body 29, a guide hole 34 long in the lateral direction of the band is formed. Is formed.

The push button charging section 13 has
One push button 11 is inserted from one end side, and the other push button 12 is inserted from the other end side, and the retaining pin 18 is inserted into the guide holes 34 of these push buttons 11 and 12. Then, between the source side spring bearing portion 32 of the one push button 11 and the leading side spring bearing portion 33 of the other push button 12, and between the leading side spring bearing portion 33 of the one push button 11 and the other push button 12. The springs 28 are respectively interposed between the spring side spring receiving portions 32 and the spring side spring receiving portions 32.
One and the other push button 11 by the biasing force of 8,
12 are separated from each other, and the engaging portions 31 of the one and the other push buttons 11 and 12 face each other,
These constitute the button side engaging portion. In addition, the push portions 29A of the push buttons 11 and 12 project outward from the openings 13A at both ends of the push button insertion portion 13. Then, the one and the other push buttons 11, 12
The step portion between the pressing portion 29A and the narrow portion 29B constitutes an interference portion 45.

Further, the accommodating portion 20 is provided with a leaf spring 35 in which the flat plate portion 35b is sandwiched between the inner surface of the rising wall portion 21 of the back cover 22 and the two retaining pins 25. A bulging portion 35a is formed in the middle portion of 35, and the bulging portion 35a projects toward the center of the housing portion 20.

The lock mechanism section 14 has an operating knob 36.
This operating knob 36 is formed by forming a knob projection 39 on the surface of a disk body 38 and projecting a rotary shaft 40 on the back side of the disk body 38. The rotary shaft 40 is machined into two chamfers. Further, the lock piece 37 is configured by integrally forming a fan-shaped lock portion 42 and a click protrusion 43 on a circular boss portion 41, and the boss portion 41 is engaged with two chamfers. A hole 44 is provided.

The lock piece 37 is attached to the receiving portion 2
The operation knob 36 is located in the position 0, and the rotation shaft 40 is inserted into the shaft hole 8D of the front plate 8 and the disc body 38 is inserted into the recess 8C to rotate the front plate 8. The rotary shaft 40 is engaged with the engagement hole 44 of the lock piece 37, and the operating knob 36 is connected to the lock piece 37.

As shown by the solid line in FIG. 3A, one end of the fan-shaped lock portion 42 is in contact with the flat plate portion 35b of the leaf spring 35. It does not rotate in the clockwise direction, and the click projection 43 of the lock piece 37 has the bulge 35a of the leaf spring 35.
It does not rotate in the clockwise direction because it is blocked by the other end d. Therefore, the lock piece 37 is held in the unlocked position, and the operation knob 36 interlocking with the lock piece 37 also remains in the unlocked position and does not rotate carelessly. In this unlocked state, the knob protrusion 39 of the operation knob 36 faces the lateral direction of the band. Further, the click protrusion 43 and the bulge 35 a of the leaf spring 35 form a click mechanism 48.

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

As described above, the wristwatch is mounted on the wrist in a state where the knob protrusion 39 of the operation knob 36 is oriented in the lateral direction of the band and is in the unlock position. In this case, in the middle folding member 4 having a three-fold structure, the middle plate 6 is folded to the outer plate 5 side, and the engaging pin 7 provided on the outer plate 5 is inserted into the hole portion of the push clasp mechanism 3. 27
And the engaging pin 7 is engaged with the button-side engaging portion, that is, the engaging portions 31 of the one and the other push buttons 11 and 12 facing each other.

The engagement of the engagement pin 7 with the engagement portion 31 is as follows.
The umbrella portion 7a at the end portion of the engagement pin 7 pushes open the engagement portions 31 of the one and the other push buttons 11 and 12 so as to separate them from each other in the lateral direction of the band. One and the other push button 1 when 7b is inserted
It is performed by closing the engaging portions 31 of Nos. 1 and 12 by the urging force of the spring 28 and engaging with the shaft portion 7b of the engaging pin 7.

Then, the operation knob 36 is moved in the clockwise direction with the fingertip 50 as shown by the arrow in (2) of FIG.
It is locked by rotating it 0 degrees. That is, the lock piece 37 is rotated by the rotation of the operating knob 36, and the click projection 43 of the lock piece 37 is rotated.
The bulging portion 35a of No. 5 is pressed and deformed to cross the bulging portion 35a. At this time, a click feeling occurs. Then, the other end of the lock portion 42 comes into contact with the positioning pin 26 to stop the rotation of the lock portion 42. In this state, the click protrusion 43 abuts on one end C of the bulging portion 35a of the leaf spring 35 and does not rotate counterclockwise. Therefore,
The operation knob 36 linked to the lock piece 37 is also clockwise.
Or it does not rotate in any counterclockwise direction. This state is the locked state, and the lock portion 42 is
As indicated by a phantom line (1), the lock piece insertion port portion 19 is inserted into the push button loading portion 13, and the push portion 29A and the narrow portion 29B of the one and the other push buttons 11 and 12 are formed. The one and the other push buttons 11 and 12 are prevented from being pushed in by interfering with the interference portion 45 formed by the step portion. In other words, even if the one and the other push buttons 11 and 12 are pressed, the interference portion 45 contacts the arc edge of the door-shaped lock portion 42, so that the one and the other push buttons 11 and 12 are not pushed. is there.

Therefore, even if an unintended external force acts on the push buttons 11, 12, the push buttons 11, 1,
No more pressing 2. Therefore, the engagement between the engagement portion 31 and the engagement pin 7 is prevented from being released, and the wristwatch can be prevented from falling off.

Further, when the wristwatch is worn on the wrist, the knob projection 39 of the operation knob 36 faces the longitudinal direction of the band. When the wristwatch is removed from the wrist, the knob projection 39 is rotated by 90 degrees in the direction opposite to the arrow with the fingertip 50 to rotate the lock piece 37, and the lock projection 43 causes the leaf spring 35 to rotate. The bulging portion 35a is pressed and deformed to cross the bulging portion 35a and come into contact with the other end D. The deformation of the bulging portion 35a of the leaf spring 35 imparts a click feeling to the fingertip 50.

Then, the knob projection 39 is attached to the fingertip 50.
When the lock portion 42 is rotated by 90 degrees, the lock portion 42 moves from the lock piece insertion opening portion 19 of the push button loading portion 13 into the accommodating portion 20, and one and the other push buttons of the lock portion 42. The interference of the interference parts 45 of 11 and 12 disappears and the unlocked state is achieved.

Then, with the fingertip 50, the push button 11,
Push the push button 29A of the push button 1
1 and 12 are moved against the spring 28 to disengage the engaging portion 31 of the push buttons 11 and 12 from the engaging pin 7, and the middle plate 6 is disengaged from the outer plate 5 to expand the wristwatch. Remove from your wrist.

(Second Embodiment) FIGS. 5 to 9 show a second embodiment of the clasp structure of the accessory of the present invention. In the case of the second embodiment, the lock mechanism portion 14 and a part of the push button mechanism portion 10 are different from the clasp structure of the accessory of the first embodiment.

That is, the lock mechanism portion 14 is composed of an operating knob 36, a lock piece 37 and a spring 46. The operating knob 36 forms a knob projection 39 on the surface of a disc 38 and is circular. A rotary shaft 40 is provided so as to project from the back side of the plate 38, and the rotary shaft 40 is machined into two chamfers. Further, the lock piece 37 has a substantially rectangular shape, and an engaging hole 44 machined into two chamfers is provided at the base thereof.

The lock piece 37 is attached to the accommodating portion 2
The operating knob 36 is located in the position 0, and the spring 46 is attached to the rotary shaft 40 of the rotary knob 40.
Is inserted into the shaft hole 8D of the front plate 8 and the disc 38
Is rotatably provided on the front plate 8 by inserting it into the recess 8C, and the rotary shaft 40 is provided with the engaging hole 4 of the lock piece 37.
4, the operating knob 36 is connected to the lock piece 37. In this case, the spring 46 is located between the disk body 38 of the operating knob 36 and the recess 8C, and the operating knob 36 is lifted to the outside of the front plate 8 to lock the lock piece 3
7 is brought into contact with the back surface of the front plate 8.

Further, in the push button mechanism section 10, a circular notch 47 for rotation is formed on the back surface of the interference section 45 of the other push button 12 in an arc shape in plan view. The notch 47 for rotation is an arcuate stepped portion that is one step lower than the back surface of the other push button 12 as shown in FIG. Then, in the unlocked state, as shown by the solid line in (1) of FIG. 6, one side surface 37B of the lock piece 37 facing the lock piece insertion opening 19 is locked in the interference portion 45 of the other push button 12. The side surface 45 </ b> A facing the one-sided insertion port portion 19 abuts, and the other side surface 37 </ b> C abuts the inner surface of the wall portion 21. Therefore, neither the operation knob 36 nor the lock piece 37 rotates in either the clockwise direction or the counterclockwise direction.

Then, the operating knob 36 is pushed against the elastic force of the spring 46 and the lock piece 37 is pushed down so that the side surface 37B of the lock piece 37 is located at a position facing the notch 47 for rotation. In this state, the operation knob 36 is shown in FIG.
When the lock piece 37 is rotated in the direction of the arrow (2), the lock piece 37 passes through the notch 47 for rotation to reach the push button charging portion 13, and the side surface 37B of the lock piece 37 abuts the positioning pin 26 to rotate. Can be stopped.

In this state, when the finger 50 is released from the operation knob 36 to stop the pressing, the operation knob 36 is lifted by the elastic force of the spring 46 and the lock piece 37 is also lifted, and the lock piece 37 is lifted. 37 is inserted between the interference portions 45 of the one and the other push buttons 11 and 12. This state is the locked state, and in this locked state, the other side surface 37C of the lock piece 37 abuts on the side surface 45D of the interference portion 45 of the other push button 12 toward the one push button 11, and One side 37B of the lock piece 37 has one push button 1
Since the lock piece 37 does not rotate in any direction, the interlocking operation knob 36 does not rotate and stays in the locked position.

Therefore, in the same manner as in the case of the first embodiment described above, when the wristwatch is worn on the wrist, the lock piece 37 moves from the lock piece insertion opening 19 to the push button insertion portion 13. Since the inserted pushbuttons 11 and 12 are inserted between the interference portions 45 of the one and the other pushbuttons 11 and 12 so that the one and the other pushbuttons 11 and 12 are not pushed in, an unintended external force is applied to the pushbuttons. The push buttons 11 and 12 are not pressed even if they act on 11 and 12. Therefore, the engagement between the engagement portion 31 and the engagement pin 7 is prevented from being released, and the wristwatch can be prevented from falling off.

In particular, when the lock piece 37 is inserted into the push button insertion portion 13 from the lock piece insertion opening 19, the spring 46 pushes up the interference piece of the one and the other push buttons 11 and 12. Since it is inserted between 45, the lock piece 37 cannot be rotated unless the operation knob 36 is pushed in, and an unintended external force acts on the push buttons 11 and 12,
The push buttons 11 and 12 are no longer pressed.
Further, as compared with the push clasp mechanism 3 of the first embodiment, since there is no click mechanism portion 48, the dimension in the band longitudinal direction can be shortened.

When the wristwatch is removed from the wrist, the knob projection 39 is pushed by the fingertip 50 to push the operating knob 36 against the repulsive force of the spring 46 so that the lock piece 37 is released. It is pushed down to bring the side surface 37C thereof into a position facing the notch 47 for rotation. In this state, when the operating knob 36 is rotated in the direction opposite to the arrow direction of (2) in FIG. 6, the lock piece 37 passes through the rotation cutout portion 47 and moves into the accommodating portion 20,
The side surface 37C of the lock piece 37 comes into contact with the wall portion 21 to stop the rotation.

In this state, when the fingertip 50 is released from the operation knob 36 to stop the pressing, the operation knob 36 is lifted by the elastic force of the spring 46 and the lock piece 37 is lifted to the unlocked state. Return.

Then, with the fingertip 50, the push button 11,
Push the push button 29A of the push button 1
1 and 12 are moved against the spring 28 to disengage the engaging portion 31 of the push buttons 11 and 12 from the engaging pin 7, and the middle plate 6 is disengaged from the outer plate 5 to expand the wristwatch. Remove from your wrist.

(Third Embodiment) FIGS. 10 to 12 show a third embodiment of the clasp structure of the accessory of the present invention.
In the case of the third embodiment, the click mechanism portion 48 is added to the clasp structure of the accessory of the second embodiment described above. The click mechanism portion 48 is provided on the back side of the front plate 8 and forms the housing portion 20.
In addition, a pair of holes 23 spaced apart from each other in the lateral direction of the band are formed near the rising wall portion 21, and retaining pins 25 inserted into these holes 23 are fixed to the back surface of the front plate 8 to form a rising wall. The leaf spring 35 is sandwiched between the inner surface of the portion 21 and the two retaining pins 25, and the bulge portion 3 is provided in the middle portion of the leaf spring 35.
5a is formed, and this bulging portion 35a projects toward the center of the accommodating portion 20. Further, a click protrusion 43 is provided on the lock piece 37 of the lock mechanism portion 14.

In the unlocked state, (1) in FIG.
As shown by the solid line, one side surface 37B of the lock piece 37 facing the lock piece insertion opening 19 is in contact with a side surface 45A of the interference portion 45 of the other push button 12 facing the lock piece insertion opening 19. The click protrusion 43 is in contact with the other end D of the bulging portion 35a of the leaf spring 35. Therefore, the operating knob 36 and the lock piece 3
Neither 7 rotates in either direction.

Then, the operating knob 36 is pushed against the elastic force of the spring 46 and the lock piece 37 is pushed down so that the side surface 37B of the lock piece 37 faces the notch 47 for rotation. In this state, the operation knob 36 is shown in FIG.
When the lock piece 37 is rotated in the direction of the arrow (2) of 1, the lock piece 37 passes through the notch 47 for rotation and passes through the push button insertion portion 13.
And the side surface 37B of the lock piece 37 reaches the positioning pin 26.
The rotation is stopped by abutting against. In this case, the bulging portion 35a of the leaf spring 35 is pressed and deformed by the lock protrusion 43, and the bulging portion 35a is contacted with one end portion C beyond the bulging portion 35a. The deformation of the bulging portion 35a of the leaf spring 35 imparts a click feeling to the fingertip 50.

In this state, when the fingertip 50 is released from the operation knob 36 and the pressing is stopped, the operation knob 36 is lifted by the elastic force of the spring 46, and the lock piece 37 is also lifted. 37 is inserted between the interference portions 45 of the one and the other push buttons 11 and 12. This state is the locked state, and in this locked state, the other side surface 37C of the lock piece 37 abuts on the side surface 45D of the interference portion 45 of the other push button 12 toward the one push button 11, and One side surface 37B of the lock piece 37 is in contact with the side surface of the interference portion 45 of the one push button 11, so that the lock piece 37 does not rotate in any direction, and the interlocking operation knob 36 also rotates. Instead, stay in the locked position.

Therefore, in the same manner as in the case of the second embodiment described above, when the wristwatch is worn on the wrist, the lock piece 37 moves from the lock piece insertion opening 19 to the push button insertion portion 13. Since the inserted pushbuttons 11 and 12 are inserted between the interference portions 45 of the one and the other pushbuttons 11 and 12 so that the one and the other pushbuttons 11 and 12 are not pushed in, an unintended external force is applied to the pushbuttons. The push buttons 11 and 12 are not pressed even if they act on 11 and 12. Therefore, the engagement between the engagement portion 31 and the engagement pin 7 is prevented from being released, and the wristwatch can be prevented from falling off.

Particularly, when the lock piece 37 is inserted into the push button insertion portion 13 from the lock piece insertion opening 19, the spring 46 pushes up the interference piece of the one and the other push buttons 11 and 12. Since it is inserted between 45, the lock piece 37 cannot be rotated unless the operation knob 36 is pushed in, and an unintended external force acts on the push buttons 11 and 12,
The push buttons 11 and 12 are no longer pressed.

When the wristwatch is detached from the wrist, the knob protrusion 39 is pushed by the fingertip 50 to push the operating knob 36 against the repulsive force of the spring 46 so that the lock piece 37 is released. It is pushed down to bring the side surface 37C thereof into a position facing the notch 47 for rotation. In this state, when the operating knob 36 is rotated in the direction opposite to the arrow direction of (2) in FIG. 11, the lock piece 37 passes through the rotation cutout portion 47 and moves into the accommodating portion 20. The side surface 37C of the lock piece 37 comes into contact with the wall portion 21 to stop the rotation.

In this state, when the fingertip 50 is released from the operating knob 36 and the pressing is stopped, the operating knob 36 is lifted by the elastic force of the spring 46 and the lock piece 37 is lifted to the unlocked state. Return.

Then, with the fingertip 50, the push button 11,
Push the push button 29A of the push button 1
1 and 12 are moved against the spring 28 to disengage the engaging portion 31 of the push buttons 11 and 12 from the engaging pin 7, and the middle plate 6 is disengaged from the outer plate 5 to expand the wristwatch. Remove from your wrist.

(Fourth Embodiment) FIGS. 13 and 14 show a fourth embodiment of the clasp structure of the accessory according to the present invention. In the case of the fourth embodiment, the clasp structure of the accessory of the third embodiment is the push button mechanism section 10 thereof.
The structure of is different.

In the push button mechanism section 10, the other push button 12 has a narrow portion 29B.
An opening 30 that is long in the lateral direction of the band is formed on the
No arcuate engagement portion 31 is formed on the front side of the opening 30. Other configurations are the same as those of the push clasp mechanism 3 in the clasp structure of the accessory of the third embodiment.

When the wristwatch is mounted on the wrist, the engagement pin 7 is engaged with the engagement portion 31 by the umbrella portion 7a at the end of the engagement pin 7 of the push button 11 of one side. When the engaging portion 31 and the end portion of the opening portion 30 of the other push button 12 are pushed apart so as to be separated from each other in the band short-side direction, and the shaft portion 7b of the engaging pin 7 is inserted, one push button 11 The engaging portion 31 and the end of the opening 30 of the other push button 12 are closed by the urging force of the spring 28, and the engaging portion 31 engages with the shaft portion 7b of the engaging pin 7. . Other operations are the same as those of the push clasp mechanism 3 in the clasp structure of the accessory of the third embodiment.

(Fifth Embodiment) FIGS. 15 to 18 show a fifth embodiment of the clasp structure of the accessory of the present invention.
This fifth embodiment is a one-push type, and the first
The structure of the push button mechanism portion 10 and the lock mechanism portion 14 is different from the clasp structure of the accessory of the embodiment.

That is, the push button mechanism section 10
In the above, a push button 11 and a leaf spring-like spring 51 are provided, and the button body 29 of the push button 11 has a narrow width portion 29B formed on the pressing portion 29A. Yes, this narrow portion 29B
An opening 52 is formed in the opening, and an edge portion of the opening 52 serves as an engaging portion 53. Further, the tip end of the narrow portion 29B is formed in the spring receiving portion 54, and further, a guide hole 55 that is long in the lateral direction of the band is formed on the push portion 29A side of the button body 29. 29A and narrow portion 29B
The step portion of and is the interference portion 45. Further, the push button insertion portion 13 is closed at the other opening.

The lock mechanism portion 14 is composed of an operating knob 36, a lock piece 37 and a spring (a spring 46 as in the case of the third embodiment), and the operating knob 36 is the third. In the same manner as in the case of the above embodiment, a knob projection 39 is formed on the surface of the disc body 38, and a rotary shaft 40 is projectingly provided on the back side of the disc body 38. It is processed into two chamfers. The lock piece 37 has a strip shape, and a click protrusion 43 is formed at the base thereof.

Then, in the push button charging section 13,
The push button 11 is inserted, and the retaining pin 18 is inserted in the guide hole 55 of the push button 11. A spring 51 is interposed between the front spring receiving portion 54 of the push button 11 and the closed end of the push button loading portion 13. The biasing force of the spring 51 causes the pushing portion 29A of the push button 11 to move. The push button charging portion 13 projects outward from the opening 13A. A rotation prevention pin 57 is provided at the closed end of the push button loading portion 13 so as to face the interference portion 45.

Further, the accommodating portion 20 is provided with a leaf spring 35 sandwiched between the inner surface of the rising wall portion 21 of the back cover 22 and the two retaining pins 25, and an intermediate portion of the leaf spring 35. A bulging portion 35a is formed in the bulge portion 35a.
Protrudes toward the center of the accommodating portion 20.

Then, the lock piece 37 is attached to the accommodating portion 2
In the state in which the spring 46 is located inside 0 and is connected to the operating knob 36, the spring 46 is similar to the case of the third embodiment.
Have been lifted by. Then, the lock piece 37
37C of the lock piece 37 contacts the positioning pin 25, the click projection 43 of the lock piece 37 contacts the other end D of the bulge 35a of the leaf spring 35, and the lock piece 37
One side surface portion 37B is in contact with the rotation prevention pin 57. Therefore, the lock piece 37 cannot rotate in either direction, and the operating knob 36 cannot rotate.

Further, unlike the one shown in the first embodiment, the engaging pin 7 provided on the outer plate 5 of the center folding member 4 having the three-fold structure has a protrusion 58 formed at its tip. It is a thing.

Therefore, when the wristwatch is worn on the wrist, the middle plate 6 of the middle folding member 4 having a three-fold structure is folded toward the outer plate 5 and the engagement provided on the outer plate 5 is performed. Insert the pin 7 into the hole 27 of the clasp mechanism 3,
The protrusion 58 of the engagement pin 7 is engaged with the engagement portion 53 of the opening 52 of the push button 11.

Then, the operating knob 36 is pushed against the elastic force of the spring 46 and the lock piece 37 is pushed down so that one side surface 37B of the lock piece 37 is located below the rotation preventing pin 57. In this state, the operation knob 36 is shown in FIG.
When rotated in the direction of the arrow (2) of 5, the lock piece 37 passes below the rotation prevention pin 57 to reach the push button loading portion 13, and the side surface 37B of the lock piece 37 contacts the positioning pin 26 and rotates. Can be stopped. In this case, the bulging portion 35a of the leaf spring 35 is pressed and deformed by the lock protrusion 43, and the bulging portion 35a is contacted with one end portion C beyond the bulging portion 35a. The deformation of the bulging portion 35a of the leaf spring 35 imparts a click feeling to the fingertip 50.

In this state, when the fingertip 50 is released from the operation knob 36 and the pressing is stopped, the operation knob 36 is lifted by the elastic force of the spring 46 and the lock piece 37 is also lifted. 37 is inserted between the tip portion of the rotation prevention pin 57 and the interference portion 45 of the push button 11. This state is a locked state, and in this locked state, one side surface 37B of the lock piece 37
Faces the interference portion 45, and the other side surface 37C of the lock piece 37 faces the tip end portion of the rotation prevention pin 57. Therefore, the lock piece 37 does not rotate in any direction, and the operating knob 36 is interlocked. Also does not rotate and stays in the locked position.

In this locked state, even if an unintended external force acts on the push button 11, the push button 11 will not be pushed. For this purpose, the engaging portion 53
Is prevented from being disengaged from the engagement pin 7,
It is possible to prevent the wristwatch from falling off.

When the wristwatch is removed from the wrist, the operating knob 36 is pushed in with the fingertip 50 to push down the lock piece 37 against the spring 46, and the lock piece 37 is pushed into the interference portion 45. 15 and the anti-rotation pin 57, and the operating knob 36 is rotated by 90 degrees to the side opposite to the arrow of (2) of FIG. 15 with the fingertip 50 to rotate the lock piece 37 by 90 degrees. Under 57, move from the lock piece insertion opening portion 19 of the push button loading portion 13 to the position of the solid line in the accommodating portion 20, and release the pressing of the protrusion portion 39 to the unlocked state. .

By pushing the push portion 29A of the push button 11 with the fingertip, the push button 11 is moved against the spring 51, and the engaging portion 5 of the push button 11 is moved.
3 is disengaged from the engaging pin 7, the middle plate 6 is disengaged from the outer plate 5 and expanded to remove the wristwatch from the wrist.

(Sixth Embodiment) FIG. 19 shows a sixth embodiment of the clasp structure of the accessory of the present invention. In the sixth embodiment, the clasp structure of the present invention is attached to a timepiece band structure having a folding member having a double door structure. Although any of the above-described first to fifth embodiments is applied as the clasp structure of the accessory, when the clasp structure of the accessory is applied to the clasp structure of the first embodiment. I will describe.

The center folding member 60 having a double door structure has one middle plate 63 at one end of an outer plate 62 having an engaging pin 61.
One end of the outer plate 62 and one end of the other middle plate 64 are pivotally attached to the other end of the outer plate 62. Is connected to the connecting piece 1A at the end of one of the watch bands 1,
The other end of the other middle plate 64 is connected to an inner middle plate connecting portion (not shown) of the front plate 8 of the push button clasp mechanism 3 with 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 9B.

When the wristwatch is worn on the wrist, in the center folding member 60 having a double-door structure, one middle plate 63 is folded to the outer plate 62 side, and then the other middle plate 64 is attached to the outer plate. The engaging pin 61 provided on the outer plate 62 is inserted into the hole portion 27 of the push clasp mechanism 3 so as to fold the engaging pin 61 to the button side engaging portion, that is, one side. And the other push button 11,
It engages with the engaging parts 31 of 12 facing each other. In this state, the operating knob 36 of the lock mechanism portion 14 is operated to bring it into the locked state.

When the wristwatch is removed from the wrist, the operating knob 36 of the lock mechanism portion 14 is operated in the opposite direction to unlock and push as in the case of the first embodiment. By pushing the buttons 11 and 12, the engaging portions 31 of the push buttons 11 and 12 are disengaged from the engaging pins 61, and the other middle plate 64 is detached from the outer plate 62 and expanded, and then the one middle plate 63. Is removed from the outer plate 62 and expanded.

(Seventh Embodiment) FIG. 20 shows a seventh embodiment of the clasp structure of the accessory of the present invention. In the seventh embodiment, the clasp structure of the present invention is attached to a single lock type watch band structure. As the clasp structure of the accessory, any of the above-described first to fifth embodiments is applied,
The case where the clasp structure of the accessory of the first embodiment is applied will be described.

The single lock type watch band structure has one end of the case 64 of the push clasp mechanism 3,
One connecting piece connecting portion 65A connected to the connecting piece 1A of the one watch band 1 has a hinge connecting portion 65 at the other end.
B are formed respectively. A front plate fitting recess 66 is formed on the surface of the case 64, and a hole 67 is formed at the center of the front plate fitting recess 66. Also,
A mounting rod 2A is provided at the end of the other watch band 2.

The hinge connecting portion 65 of the case 64 is also included.
The front plate 69 is attached to B via a hinge 68, and the front plate 69 is provided with an engagement pin 71,
The front plate 69 is constantly biased in the expanding direction by a torsion spring (not shown).

First, after putting the wristwatch along the wrist, the mounting rod 2B at the end of the other watch band 2 is hooked on the front plate 69 connected to the case 64, and in this state, the front plate 69 is held. After folding, this front plate 69 is attached to the front plate fitting recess 6
6 and the engaging pin 71 provided on the front plate 69 by fitting it to the hole portion 67.
And the engaging pin 71 is engaged with the button side engaging portion, that is, the engaging portions 31 of the one and the other push buttons 11 and 12 facing each other, and the wristwatch is attached to the wrist. In this state, the operating knob 36 of the lock mechanism portion 14 is operated to bring it into the locked state.

When the wristwatch is removed from the wrist, the operating knob 36 of the lock mechanism portion 14 is operated in the opposite direction to unlock, as in the case of the first embodiment described above. And the other push button 11, 12
By pushing the pushing portion 29A of the No. 2 between the thumb and forefinger and pushing it inwardly, the one and the other push buttons 11 and 12 are moved against the spring 28 to open the space between the engaging portions 31 and the engaging pin. Release the engagement with 71,
The front plate 69 is opened to the outside, the engaging pin 71 is pulled out from the hole 67, and the mounting rod 2A is removed from the front plate 69.

[0087]

As described above, according to the clasp structure of the accessory according to the invention of claim 1, the engaging portion of the push button is pushed by the push operation of the push button protruding from the lateral side surface of the accessory. Is provided with a push clasp mechanism that can release the engagement between the engaging member and the engaging portion of the engaging member. The push clasp mechanism has a rotary operation knob, and the operation knob is at a predetermined restricting position. By providing the lock mechanism section for restricting the push of the push button, the accessory is moved along the wrist and the engaging portion of the engaging member is engaged with the button side engaging portion to attach the accessory to the wrist. The push button is pressed by the lock mechanism section at a predetermined restricting position by rotating the operating knob, and even if an unintended external force acts on the push button, the engaging section of the push button and the engaging section of the engaging member Relation with There is prevented from being released, it can be prevented from falling off trinkets.

Further, according to the clasp structure of the accessory according to the invention of claim 2, in the clasp structure of the accessory according to claim 1, the lock mechanism portion is rotated in association with the rotation of the operation knob. The lock piece has a lock piece for locking, and the lock piece engages with the push button at the restricting position to restrict the pressing of the push button, thereby achieving the same effect as the invention of claim 1 described above. It can be effective.

Further, according to the clasp structure of the accessory according to the invention of claim 3, in the clasp structure of the accessory according to claim 1 or 2, the operation knob has a vertical direction along the rotation axis thereof. By being a pressing rotary type that can be rotated by being pressed by, the same effect as the effect of the invention of claim 1 described above can be obtained, and since it does not rotate unless the operating knob is pressed, it is more reliable. It is possible to prevent the accessory from falling off. Further, since there is no click mechanism portion, the dimension of the clasp structure in the band longitudinal direction can be shortened.

Further, according to 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,
By providing the click mechanism section that generates a click in conjunction with the rotation of the operation knob, not only the same effect as the effect of the invention of claim 1 described above can be obtained, but also when the operation knob is operated, A click feeling is generated at the lock position and the unlock position, and the button operation can be facilitated.

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

Further, according to the clasp structure of the accessory according to the invention of claim 6, in the clasp structure of the accessory according to claim 1, 2 or 3, or 4, the push clasp mechanism. Is a one-push Nakadome configuration,
Not only the same effects as the effects of the invention of claim 1 can be obtained, but also the commercialization of the conventional clasp structure is possible.

Further, according to the clasp structure of the accessory according to the invention of claim 7, in the clasp structure of the accessory according to claim 1, 2 or 3 or 4, the push clasp mechanism. By providing the above in the accessory configuration in which the center folding member is a plurality of folding, not only the same effect as the effect of the invention of claim 1 can be obtained, but also almost the same commercialization as the conventional clasp structure can be realized. .

Further, according to the clasp structure of the accessory according to the invention of claim 8, in the clasp structure of the accessory according to claim 1, claim 2, claim 3 or claim 4, the push clasp mechanism. By providing the above in the accessory structure in which the center folding member is a double door, not only the same effect as the effect of the invention of claim 1 can be obtained, but also almost the same commercialization as the conventional clasp structure can be realized.

According to the clasp structure of the accessory according to the invention of claim 9, in the clasp structure of the accessory according to claim 1, claim 2, claim 3 or claim 4, the push clasp mechanism. By providing the center bending member in the accessory structure in which the center folding member is of a single type, not only the same effect as the effect of the invention of claim 1 can be obtained, but also almost the same commercialization as the conventional clasp structure can be realized. Become.

[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, which is attached to a middle folding member of a tri-fold structure.

FIG. 2 is an exploded perspective view of the first embodiment of the clasp structure of the accessory according to the present invention.

FIG. 3A is a configuration explanatory view of a push button mechanism section of the clasp structure. (2) is an explanatory view of an operation range of the operation knob.

FIG. 4 is a vertical cross-sectional view of the first embodiment of the clasp structure of the accessory according to the present invention.

FIG. 5 is an exploded perspective view of a second embodiment of the clasp structure of the accessory according to the present invention.

FIG. 6A is a configuration explanatory view of a push button mechanism section of the clasp structure. (2) is an explanatory view of an operation range of the operation knob.

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

FIG. 8 (1) is a perspective view of the push button seen from the front side. (2) is a perspective view seen from the back side of the push button.

FIG. 9A is a perspective view of the one and the other push buttons in an unlocked state with the lock piece in the unlocked position. (2) is a perspective view showing a state where the lock piece is in the middle of operation from the unlock position to the lock position. (3) is a perspective view of a lock piece in a lock position and one and the other push buttons in a locked state.

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

FIG. 11 (1) is a structural explanatory view of a push button mechanism section of the clasp structure. (2) is an explanatory view of an operation range of the operation knob.

FIG. 12 (1) is a vertical cross-sectional view of a third embodiment of the clasp structure of the accessory according to the present invention. (2) is a perspective view seen from the back side of the push button.

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

FIG. 14 (1) is a structural explanatory view of a push button mechanism section of the clasp structure. (2) is an explanatory view of an operation range of the operation knob.

FIG. 15 (1) is a structural explanatory view of a push button mechanism portion of a fifth embodiment of the clasp structure of the accessory according to the present invention. (2) is an explanatory view of an operation range of the operation knob.

FIG. 16 is a cross-sectional view in which a push clasp mechanism of the clasp structure is partially omitted.

FIG. 17 is a perspective view of the push clasp mechanism of the clasp structure in an exploded state.

FIG. 18 is an explanatory diagram of an engagement state of engagement pins.

FIG. 19 is a perspective view showing a state in which the clasp structure of the accessory according to the present invention is attached to the middle folding member of the double door structure.

FIG. 20 is a perspective view showing a state in which the clasp structure of the accessory according to the present invention is attached to a single-type middle folding member.

FIG. 21 is a perspective view in which a part of a watch band structure having a conventional push clasp structure is omitted.

FIG. 22 is a plan view of the internal structure of a conventional push clasp structure.

[Description of Reference Signs] 1 watch band 2 other watch band 3 push clasp mechanism 7 engagement pins (engagement members) 11, 12 push button 14 lock mechanism section 36 operation knob 37 lock piece

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, This push clasp mechanism has a rotary operation knob, and the operation knob is provided with a lock mechanism portion that regulates pressing of the push button at a predetermined regulation position. Construction. 2. The lock mechanism portion has a lock piece that rotates in association with rotation of the operating knob, and the lock piece engages with the push button at the restricting position to cause the push button to move. The clasp structure of the accessory according to claim 1, wherein pressing is restricted. 3. The clasp structure of the accessory according to claim 1, wherein the operating knob is a push-rotating type that is rotatable by being pressed in a vertical direction along a rotation axis thereof. 4. The clasp structure according to claim 1, 2, or 3, wherein the lock mechanism portion includes a click mechanism portion that generates a click in conjunction with rotation of the operating knob. 5. The clasp structure of the accessory according to claim 1, 2 or 3, or 4, wherein the push clasp mechanism has a double push clasp structure. 6. The clasp structure of an accessory according to claim 1, 2, 3 or 4, wherein the push clasp mechanism has a one-push clasp structure. 7. The clasp structure for an accessory according to claim 1, 2, 3 or 4, wherein the push clasp mechanism is provided in an accessory structure having a plurality of middle folding members. 8. The clasp structure according to claim 1, 2, 3 or 4, wherein the push clasp mechanism is provided in an ornament structure in which the center folding member is a double door. 9. The clasp structure according to claim 1, 2, 3 or 4, wherein the push clasp mechanism is provided in a jewelry structure in which the center folding member is of a single type.