JP2002101925A - Band length adjusting mechanism of arm-fitting portable appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a band length adjusting mechanism capable of simply and easily changing the band length in an arm-fitting portable appliance, convenient when fitted to an arm (a wrist) such as portable information terminals including a wrist watch, a portable digital camera and a cellular phone. SOLUTION: The band length adjusting mechanism of the arm-fitting portable appliances comprising a portable appliance body and an arm ring band member pivotably fitted to one end side of the portable appliance body further comprises a band length adjusting member pivotably fitted to the other en side of the portable appliance body. The band length adjusting member comprises a passing opening part for passing a free end of the arm ring band member and a slidable slide-locking member to be urged in the direction for contracting the opening width of the passing opening part, and the free end part of the arm ring band member is inserted in the passing opening part and the arm ring band member is locked at a desired position by the slide locking member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hand-held portable device such as a wristwatch, a portable digital camera, a portable information terminal such as a portable telephone, etc. The present invention relates to a band length adjusting mechanism.

[0002]

2. Description of the Related Art Conventionally, in the field of wristwatches, the following systems have been generally used as a system for adjusting the length of an arm ring member to make it easier to wear a wristwatch on a user's wrist. Is used regularly. That is, one of them is a so-called "belt band system", and this wristwatch includes a wristwatch main body and an arm ring member connected to the wristwatch main body. It comprises a first belt member having the arm ring member and the buckle member, and a second belt member having a plurality of engaging holes capable of engaging with the engaging pins of the buckle member. The length of the arm ring member can be adjusted by selectively engaging the engaging pin of the buckle member with the engaging hole of the second belt member.

[0003] Another method is a so-called "three-folding fastening method" shown in FIG.
The wristwatch 100 includes a wristwatch main body (not shown) and an annular arm ring member 102 connected to the wristwatch main body 101. The arm ring member 102 includes a first belt member 104 and a second belt member 106 which are pivotally attached to both ends of the wristwatch main body, and a portion between the first belt member 104 and the second belt member 106. Three-folded clasp 1 connected to
08. Further, the three-fold middle retaining portion 108 includes a back plate member 110 pivotally attached to the first belt member 104 and a middle plate member 11 pivotally attached to the back plate member 110.
2 and a front cover member 114 pivotally attached to the middle plate member 112 and the second belt member 106. Then, as shown in FIG. 11, the middle plate member 112 and the back plate member 110 are rotated around the rotation axis and bent, and locked to the front cover member 114, thereby forming an arm ring. This is a configuration in which the length of the member can be adjusted.

[0004]

By the way, the conventional portable telephones have a substantially rectangular shape which is held by hand, a speaker section is arranged at an ear, and a microphone section is arranged at a mouth for conversation. It is a box-shaped configuration. However, such a box-shaped mobile phone that is gripped by hand has a certain amount of bulk, so when not in use, it is placed in a bag, in a pocket, or in a mobile phone-only belt-attached case. It has to be stored and transported, and for example, it is still lacking in portability when carrying it during excursions in the sea, mountains and the like.

[0005] With the recent development of the electronics industry, the field of mobile phones, for example, CSP
(Chip Size Package), miniaturization of IC mounting method such as BGA (Ball Grid Array), miniaturization of liquid crystal screen, etc. have realized miniaturization, weight reduction and high functionality. I have. For this reason, also in a mobile phone, it is possible to reduce the size of the mobile device main body to approximately the same size as a wristwatch.

[0006] Therefore, it is conceivable that the wrist is worn on the arm (wrist) like a wristwatch, thereby making the wrist portable telephone extremely convenient for carrying. However, as described above, the "belt band method" and the "three-fold folding clasp method"
Any of the above methods cannot be applied to the above-mentioned wrist mobile phone. That is, in the wrist mobile phone, the microphone separate from the main body of the mobile device is placed at the palm side of the wrist, that is, at the position of the buckle member of the wristwatch, or at the position of the three-fold middle retaining portion 108 (particularly the front cover). Since it is necessary to arrange a microphone at the position of the member 114), it is impossible to adopt such a belt band system or a three-fold middle fastening system.

In view of the above situation, the present invention is designed to be worn on an arm (wrist) of a portable information terminal such as a wristwatch, a portable digital camera, a cellular phone, etc. It is an object of the present invention to provide a band length adjusting mechanism that can easily and easily change the length of a band in a wearing portable device.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in order to achieve the above-mentioned problems and objects in the prior art, and has a band length adjusting mechanism for a wrist-mounted portable device according to the present invention. Is a band length adjustment mechanism of a portable device for arm mounting, comprising a portable device body, and an arm ring band member axially attached to one end side of the portable device body, the other end side of the portable device body A band length adjusting member axially mounted on the arm ring band member, an insertion opening for inserting a free end of the arm ring band member, and a direction for reducing the opening width of the insertion opening. A biased slidable slide locking member, wherein the free end of the arm ring band member is inserted into the insertion opening, and the slide locking member
The arm ring band member is configured to be locked at a desired position.

With this configuration, the slide locking member is slid by hand or the like in a direction to increase the opening width, and the free end of the arm ring band member is inserted into the insertion opening, and then the slide locking member is inserted. Just by separating the member from the hand, the slide locking member is urged in a direction to reduce the opening width of the insertion opening, and the arm ring band member is pressed in the insertion opening, so that the arm ring band member can be moved to a desired position. The position can be easily locked by the slide locking member. Therefore, since the length of the arm ring band member can be freely adjusted, it is extremely easy to mount it on the wrist of the user.

In addition, since the band length adjusting member is pivotally attached to the other end of the portable device main body, the operation is easy and the length adjusting member is located at the palm side of the user's wrist. Since there is no mechanism, there is no hindrance when the microphone is placed at the palm side of the wrist, for example, in the case of a mobile phone or the like. Further, the band length adjusting mechanism of the wrist-worn portable device of the present invention may be arranged such that the arm ring band member engages with the slide locking member in a direction in which the arm ring band member comes off the insertion opening. In the direction in which the arm ring band member is inserted into the insertion opening, a saw-toothed engaging groove formed so as to be disengaged from the slide locking member is formed. Features.

As described above, the arm ring band member engages with the slide locking member in the direction of coming off from the insertion opening, and the arm ring band member engages with the slide locking member in the direction of being inserted into the insertion opening. Is formed in the arm ring band member so that the engagement of the arm ring band member is released, the arm ring band member can be inserted by simply pulling the free end of the arm ring band member. It moves in a direction away from the opening, that is, in a direction in which the length of the arm ring band member becomes shorter. Moreover, in this case, in the direction in which the arm ring band member is inserted into the insertion opening, that is, in the direction in which the length of the arm ring band member is shortened, the slide locking member engages with the saw-shaped engagement groove. So never move.

Accordingly, the length of the arm ring band member can be freely adjusted by simply pulling the free end of the arm ring band member, so that it can be mounted on the user's wrist with one hand, which is extremely easy. is there. The band length adjusting mechanism of the wrist-worn portable device of the present invention may further include a thickness direction for preventing the arm ring band member from dropping out of the insertion opening at a tip of the free end of the arm ring band member. And a protruding engagement end protruding therefrom is formed.

With this configuration, it is possible to prevent the arm ring band member from falling off from the insertion opening by the protruding engagement end formed at the tip of the free end of the arm ring band member. Therefore, even if the wrist is thick and the arm ring band member must be locked at the tip of the free end, the projecting engagement end is engaged by the slide locking member, so that the arm ring band The member does not fall off.

In the band length adjusting mechanism for a wrist-worn portable device according to the present invention, the insertion opening is opposed to a slide locking member for guiding the sliding of the arm ring band member in the insertion opening. And a guide roller member is provided. When the arm ring band member is inserted into or removed from the insertion opening as described above, the sliding in the insertion opening of the arm ring band member is guided by the guide roller member.
The operation can be performed smoothly.

In the band length adjusting mechanism for a wrist-mounted portable device according to the present invention, a guide groove is formed in the guide roller member, and a guide engaging with the guide groove is formed in the arm ring band member. The projection is formed in the longitudinal direction. With this configuration, when the arm ring band member is inserted into or removed from the insertion opening, the guide groove formed on the arm ring band member is engaged with and guided by the guide groove of the guide roller member. Therefore, the operation can be performed more smoothly.

In addition, the slide locking member is urged in a direction to reduce the opening width of the insertion opening, and when the arm ring band member is pressed in the insertion opening, the arm ring is inserted into the guide groove of the guide roller member. Since the guide projection formed on the band member is firmly engaged, the arm ring band member can be securely locked. The band length adjusting mechanism of the wrist-worn portable device according to the present invention may be configured such that the band length adjusting member reversely locks a free end of the arm ring band member inserted and locked in the insertion opening. It is characterized by having a stop member.

According to this structure, the free end reversing locking member of the arm ring band member is reversely locked.
The free end of the arm ring band member protruding outward from the insertion opening covers the main body of the portable device, and the liquid crystal display on the surface of the main body of the portable device, the display portion including the operation buttons, etc., and the operation buttons are visually recognized. Such an operation does not hinder the operation of the telephone, and the arm ring band member can be more securely locked.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing an embodiment in which a band length adjusting mechanism of a wrist-worn portable device of the present invention is applied to a wrist mobile phone, and FIG.
Partial plan view of the mobile phone main body portion of the wrist mobile phone, FIG.
(A) to (C) show a top view, a cross-sectional view, and a back view, respectively, of a part of the arm ring member of the arm mobile phone of FIG. 1, and FIG. 4 is a cross-sectional view and view of the arm mobile phone of FIG. 5 is an exploded plan view of the band length adjusting mechanism of the present invention, FIG. 6 is an operation explanatory view of the band length adjusting mechanism of the present invention, and FIGS. It is sectional drawing explaining.

As shown in FIGS. 1 and 4, the wrist mobile phone 1 to which the band length adjusting mechanism of the wrist-mounted portable device of the present invention is applied has a portable device body 10 having a substantially rectangular box shape. . Although not shown, a liquid crystal display unit, a display unit including operation buttons and the like are formed on the surface of the portable device body, and a communication control unit is built therein,
A rectangular projecting portion 12 is formed on the back surface side.

The first band member 20 and the microphone unit 4 are attached to both ends of the portable device body 10.
0, the second band member 50, and the length adjusting mechanism 60
Thus, the arm ring band member 2 is configured. A band mounting recess 14 is formed on one end of the portable device body 10, and a lead mounting portion 14 d is formed on a bottom wall 14 a of the band mounting recess 14. A shaft mounting hole 14c for detachably mounting the shaft mounting member 11 made of a spring bar member or the like is provided on the side wall 14b of the band mounting concave portion 14.
Is formed.

On the other hand, similarly, on the other end side of the portable device body 10, a band length adjusting member mounting recess 16 is formed, and a side wall 16b of the band length adjusting member mounting recess 16 is formed.
Is formed with a shaft mounting hole 16c for detachably mounting a shaft mounting member 17 formed of a known spring bar member or the like. Band mounting recess 14 at one end of portable device body 10
The shaft mounting member 11 is inserted into the shaft mounting hole 22a of the mounting portion 22 formed on one end side of the first band member 20,
The first band member 20 is detachably mounted by mounting the shaft mounting member 11 in a shaft mounting hole 14c formed in the side wall 14b of the band mounting recess 14.

At this time, the mounting portion 2 of the first band member 20
2, one end 24a of the lead wire 24 protruding from the central portion.
Is mounted and locked by a locking mechanism (not shown) in a lead mounting portion 14 d formed on the bottom wall 14 a of the band mounting recess 14, and is electrically connected to the portable device body 10. . The lead wire 24 is inserted into a lead wire portion 26 formed in a longitudinal direction at a widthwise central portion of the first band member 20 and a portion thereof is formed to protrude to the outer surface of the first band member 20. The other end is electrically connected to a microphone body 48 of the microphone unit 40 described later.

It should be noted that the first band member 20 has a certain distance between the inside thereof, that is, the surface on the wrist side,
A groove 28 for bending is formed, whereby the first groove 28 is formed.
Can be bent along the outer circumference of the wrist of the wearer. In addition, the shape of the groove 28,
The dimensions and the formation intervals are not particularly limited. For example, a cross section, a semicircular groove, a wedge-shaped groove, or the like can be adopted.

In this case, the material of the first band member 20 is not particularly limited. For example, synthetic materials such as polyethylene, polypropylene, polyethylene terephthalate, and vinyl chloride which are conventionally used as band members are used. Metals such as resin, rubber, leather, cloth, and stainless steel can be used. Further, the first band member 2
The microphone unit 40 is connected to the other end 21 of the “0”.

The microphone section 40 has a first connecting member 42 for connecting to the other end 21 of the first band member 20 and a second connecting member 42 for connecting to the second band member 50.
Connecting member 44, the first connecting member 42 and the second
A pair of guide members 46 inserted between the band members 50 and a microphone body 48 that can move freely along the guide members 46.

The first connecting member 42 is provided with a projecting portion 42a for locking, which is connected to the first band member 2a.
The first connecting member 42 is inserted into the engaging groove 28 a formed on the other end 21 of the first band member 20 and is fixed to the other end 21 of the first band member 20. It is configured to be connected. Also, the first connecting member 4
2, a lead wire portion 42b is formed at a position corresponding to the lead wire portion 26 of the first band member 20, and the lead wire 24 projects from the tip of the lead wire portion 42b.
It is electrically connected to the microphone body 48.

One end of a pair of wire-shaped guide members 46 is inserted into the first connecting member 42 and locked from the side of the first connecting member 42 by a locking member 41 such as a screw pin. ing. Similarly, the other end of the guide member 46 is inserted into the second connecting member 44, and the second connecting member 44
Is locked by a locking member 43 such as a screw pin.

The guide member 46 is provided with a microphone main body 48 and a guide member sliding hole 48a.
Through these guide members 46,
The configuration is such that the position can be freely moved by sliding the microphone body 48. Although not shown, the microphone body 48 may include a stopper mechanism for locking the microphone body 48 at an appropriate position on the guide member 46.

On the other hand, the second connecting member 44 has the shaft mounting member 15 such as a spring rod inserted into the shaft mounting hole 54 of the mounting portion 52 formed at one end of the second band member 50. The second band member 50 is removably mounted by mounting the shaft mounting member 15 in a shaft mounting hole 44c formed in the side wall 44a of the second connecting member 44. As shown in FIGS. 1 and 3, the second band member 50 has a saw-toothed engagement groove 55 formed on the inner surface thereof, that is, on the surface on the wrist side. As shown in the enlarged view of FIG. 6, the second band member 5
0 tapered surface 55a inclined toward free end 53
And a plurality of saw-toothed portions 55c each including a stopper surface 55b extending in the thickness direction of the second band member 20.

In the saw-shaped engagement groove 55, the second band member 50 is disengaged from the insertion opening in the direction in which the second band member 50 slides in the length adjustment mechanism 60 described later.
And the stopper projection 55a is engaged with the stopper surface 55b.
The movement of the band member 50 is prevented. In the direction in which the second band member 50 is inserted into the insertion opening, the engagement between the slide locking member 68 and the stopper surface 55b is released, and the second band member 5 is moved along the tapered surface 55a.
0 can move.

As shown in FIGS. 1 and 3, the second band member 50 has a protruding engagement end protruding inward in the thickness direction at the distal end of the free end 53 thereof. 58 are formed. The protruding engagement end 58 is for preventing the second band member 50 from dropping out of an insertion opening 66 of the length adjustment mechanism 60 described later. That is, the protruding engagement end 58 is connected to the locking protrusion 68 of the slide locking member 68.
a, the wrist is thick and the second band member 5
Even when it is necessary to lock at the leading end of the free end 53, the projecting engaging end 58 is
, So that the second band member 50, that is, the arm ring band member 2 does not fall off.

Further, the second band member 50 has
As shown in (1), a guide projection 51 extending in the longitudinal direction of a central portion having the same shape as the lead wire portion 26 of the first band member 20 is formed on the outer surface thereof. The guide projections 51 are used to connect the second band member 50 to an insertion opening 6 described later.
The guide projections 51 formed on the second band member 50 engage with and guide the guide grooves 64b of the guide roller member 64 during insertion or removal into the guide roller 6, so that the operation can be performed more smoothly. Things.

The second band member 50 is not particularly limited. For example, synthetic resins such as polyethylene, polypropylene, polyethylene terephthalate, and vinyl chloride, rubber, and the like conventionally used as band members are used. Metal such as leather, cloth, and stainless steel can be used. The length adjustment mechanism 60 includes a band length adjustment frame member 62, as shown in FIGS. 1, 2, and 4,
A shaft mounting member 17 made of a spring bar or the like is inserted into a shaft mounting hole 62a formed at the rear end of the band length adjusting frame member 62, and the shaft mounting member 17 is attached to the band length of the portable device body 10. By mounting the band length adjusting frame member 62 on the shaft mounting hole 16 c formed in the side wall 16 b of the adjusting member mounting concave portion 16, the band length adjusting member mounting concave portion 16 on the other end side of the portable device main body 10. It is detachably mounted on the shaft.

As shown in FIG. 2, the band length adjusting frame member 62 has a pair of flange portions 62b, 62b at the ends thereof.
The guide roller member 64 is rotatably mounted by the pin member 61 between the positions b. The guide roller member 64, the flange portions 62b, 62b, and the front wall portion 62c of the band length adjusting frame member 62 define an insertion opening 66.

The guide roller member 64 has a pair of roller portions 64a, and a guide groove 64b for engaging and guiding the guide protrusion 51 formed on the second band member 50 therebetween. A slide locking member 68 is slidably mounted inside the band length adjusting frame member 62. Then, a locking projection 68a formed at the tip end
The rear end of the slide locking member 68 is provided with a spring member 63 such that the rear end of the slide locking member 68 projects into the insertion opening 66 through an opening 62 d formed in the front wall 62 c of the band length adjusting frame member 62.
Accordingly, the opening 66 is urged in a direction to reduce the opening width of the insertion opening 66.

As shown in FIG. 6, a tapered surface 68b complementary to the tapered surface 55a of the saw-toothed engaging groove 55 is formed at the tip of the locking projection 68a.
The slide locking member 68 has an opening 68c.
Is connected to a cover member 67 slidably mounted on the upper portion of the band length adjustment frame member 62 by a spring bar member 65 inserted through the band member. An operation portion 67a is formed on the upper portion of the cover member 67, and operation portions 67b are formed on both sides thereof.

Further, on the outside of the flange portions 62b, 62b of the band length adjusting frame member 62, an inversion locking frame member 70 is axially mounted by a pin member 61. The reversing locking frame member 70 is formed with reversing locking members 74 projecting inward from both side plate portions 72, and the insertion opening 66
And the free end portion 53 of the second band member 50 locked by the locking projection 68a of the slide locking member 68 is inverted and locked.

Further, a stopper member 76 is formed at the base end of both side plate portions 72 of the reversing locking frame member 70, and the second band member 50 is inserted through the stopper member 76 as shown in FIG. At the time of locking, the reverse locking frame member 70 does not incline outward beyond a predetermined angle, so that the second band member 50 is inserted and the locking operation is facilitated. The wrist mobile phone 1 of the present invention thus configured may be used as shown in FIGS.

That is, when the wrist mobile phone 1 is worn on the user's wrist or removed from the user's wrist,
As shown in FIGS. 1 and 7, the free end 53 of the second band member 50 is pulled out from the insertion opening 66 of the length adjusting mechanism 60 or the free end of the second band member 50 is removed. The end portion 53 is slightly inserted into the insertion opening 66 of the length adjustment mechanism 60, and the locking projection 68a of the slide locking member 68 is inserted.
And the length of the arm ring band member 2 is set to be long.

In this state, the wrist is inserted through the arm ring band member 2 and the operating portions 67a and 67b of the cover member 67 are operated to cause the slide locking member 68 to oppose the spring member 63,
The insertion opening 66 is moved in a direction to increase the opening width.
Then, as shown in FIG. 8, the insertion openings 7 formed by the both side plate portions 72 of the inversion locking frame member 70 and the inversion locking member 74.
From 8, the free end 53 of the second band member 50 is inserted into the insertion opening 66.

In this state, the slide locking member 68 (that is, the operation parts 67a and 67b of the cover member 67) is simply released from the hand, and the slide locking member 68 is
6, the second band member 50 is pressed in the insertion opening 66, so that the arm ring band member 2 is locked at a desired position by the locking protrusion of the slide locking member 68. It can be easily locked by the piece 68a.

In the direction in which the second band member 50 is disengaged from the insertion opening 66, the locking projection 68a of the slide locking member 68 and the stopper surface 55b are engaged, and the second band member 50 Is prevented from moving. In the direction in which the second band member 50 is inserted into the insertion opening 66,
Locking projection 68a of slide locking member 68 and stopper surface 5
5b is released, and the second band member 50 can move along the tapered surface 55a.

Accordingly, the length of the arm ring band member 2 can be freely adjusted by simply pulling the free end portion 53 of the second band member 50, so that it can be adjusted to the size of the wrist of the user. It can be mounted on the user's wrist with one hand and is extremely easy. Then, as shown by the dashed line in FIG. 8, the free end 53 of the second band member 50 locked by the locking projection 68a of the slide locking member 68.
Is turned 180 ° by the guide roller member 64, inserted again through the insertion opening 78 of the inversion locking frame member 70, and locked by the inversion locking member 74 (see FIG. 9).

As described above, since the free end portion 53 of the second band member 50 is reversely locked by the reverse locking member 74,
Second band member 5 protruding outward from insertion opening 66
The free end 53 of the "0" does not interfere, and the arm ring band member can be more securely locked. In this state,
The microphone main body 48 is locked at an appropriate position by sliding the microphone main body 48 along the guide member 46 so that the microphone main body 48 is accurately positioned on the palm side of the user's wrist so as to ensure a reliable call. I do.

In this specification, a specific mechanism will not be described, but in this state, the fingertip of the hand is inserted into the ear hole, and speaking into the microphone body 48, the In addition, an electric signal is introduced into the portable device main body 10 and transmitted to the other party, and the voice of the other party is used instead of the speaker from the palm or fingertip through the protruding portion 12 of the portable device main body 10 through the wrist. Thus, it can be heard directly by the user.

When the wrist portable telephone 1 is detached from the user's wrist, the cover member 67 is turned on, contrary to the above description.
By operating the operating portions 67a and 67b, the slide locking member 68 is moved in the direction in which the opening width of the insertion opening 66 is enlarged against the spring member 63, and the locking protrusion of the slide locking member 68 is adjusted. The engagement between the piece 68a and the second band member 50 may be released, and the second band member 50 may be removed from the insertion opening 66.

FIG. 10 shows a second band member 50 according to the present invention.
FIG. 4 shows a view similar to FIG. 3 showing another embodiment of the invention. As shown in FIG. 10, the second band member 50
In the vicinity of the mounting portion 52 of the band member 50, a plurality of shaft mounting holes 54 similar to the shaft mounting holes 54 of the mounting portion 52 are formed at regular intervals in the longitudinal direction of the second band member 50. And between the shaft mounting holes 54, the second
Inside of the band member 50, that is, on the surface on the wrist side,
A plurality of cutting instruction grooves 56 are formed at regular intervals.

With this configuration, the second band member 50 is cut between the shaft mounting holes 54, and the shaft member is inserted into the shaft mounting holes 54. Second connecting member 44 of part 40
, The length of the second band member 50 can be adjusted. In addition, since the cutting instruction groove 56 is formed between the shaft mounting holes 54, when the second band member 50 is cut to adjust the length of the second band member 50, the length due to the cutting is adjusted. The length of the arm ring band member 2 can be finely adjusted without excessive cutting or insufficient cutting.

Therefore, when the adjustment of the length of the arm ring band member 2 by the length adjustment mechanism 60 is insufficient, the length of the arm ring band member 2 is adjusted by adjusting the length of the second band member 50. The wrist can be finely adjusted, and the wrist mobile phone can be securely attached to the wrist of the user. In this case, the separation distance between the shaft mounting holes 54 and the shape, size, and formation interval of the cutting instruction groove 56 are not particularly limited, and for example, a cross section, a semicircular groove, a wedge-shaped cross section may be used. Grooves and the like can be adopted.

Although the preferred embodiment of the present invention has been described above, the present invention is not limited to this. For example, in the above embodiment, the band length adjusting mechanism of the wrist-mounted portable device of the present invention is used. Is applied to a wrist mobile phone, but various modifications are possible without departing from the object of the present invention, such as application to other portable devices such as a wristwatch and a portable digital camera.

[0051]

According to the present invention, the slide locking member is slid by hand or the like in the direction of increasing the opening width, the free end of the arm ring band member is inserted into the insertion opening, and then the slide locking is performed. Just release the member from your hand,
The arm ring band member is pressed in the insertion opening by being urged in the direction of reducing the opening width of the insertion opening, so that the arm ring band member can be easily locked at a desired position by the slide locking member. Therefore, since the length of the arm ring band member can be freely adjusted, it is extremely easy to mount it on the wrist of the user.

Moreover, since the band length adjusting member is mounted on the other end of the portable device main body, the operation is easy, and the length adjusting member is located at the palm side of the user's wrist. Since there is no mechanism, there is no hindrance when the microphone is placed at the palm side of the wrist, for example, in the case of a mobile phone or the like. Further, according to the present invention, the arm ring band member engages with the slide locking member in the direction of coming off from the insertion opening, and the arm ring band member slides in the direction of insertion into the insertion opening. Is formed in the arm ring band member so that the engagement with the arm ring band member is released, the arm ring band member is simply pulled by pulling the free end of the arm ring band member. It moves in a direction away from the insertion opening, that is, in a direction in which the length of the arm ring band member becomes shorter. Moreover, in this case, the direction in which the arm ring band member is inserted into the insertion opening, that is,
In the direction in which the length of the arm ring band member becomes shorter, the slide locking member engages with the sawtooth-shaped engagement groove, so that it does not move.

Therefore, the length of the arm ring band member can be freely adjusted by simply pulling the free end of the arm ring band member, so that it can be mounted on the user's wrist with one hand, which is extremely easy. is there. Further, according to the present invention, it is possible to prevent the arm ring band member from falling off from the insertion opening by the projecting engagement end formed at the tip of the free end of the arm ring band member. Therefore, even if the wrist is thick and the arm ring band member must be locked at the tip of the free end, the projecting engagement end is engaged by the slide locking member, so that the arm ring band The member does not fall off.

According to the present invention, when the arm ring band member is inserted into or removed from the insertion opening, the sliding of the arm ring band member in the insertion opening is guided by the guide roller member. Can be performed smoothly. According to the present invention, when the arm ring band member is inserted into or removed from the insertion opening, the guide groove formed on the arm ring band member is engaged with the guide groove of the guide roller member to be guided. Therefore, the operation can be performed more smoothly.

In addition, the slide locking member is urged in a direction to reduce the opening width of the insertion opening, and when the arm ring band member is pressed in the insertion opening, the arm ring is inserted into the guide groove of the guide roller member. Since the guide projection formed on the band member is firmly engaged, the arm ring band member can be securely locked. Further, according to the present invention, since the free end reversing locking member of the arm ring band member is reversely locked, the free end portion of the arm ring band member protruding outward from the insertion opening does not obstruct, and The present invention is an extremely excellent invention which has many effects such as being able to more reliably lock the arm ring band member.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment in which a band length adjusting mechanism of a wrist-worn portable device of the present invention is applied to a wrist mobile phone.

FIG. 2 is a partial plan view of a mobile phone main body of the wrist mobile phone of FIG. 1;

3 (A) to 3 (C) are a top view, a cross-sectional view, and a back view, respectively, of a part of an arm ring member of the wrist mobile phone of FIG. 1;

FIG. 4 is a sectional view of the wrist mobile phone of FIG. 1;

FIG. 5 is an exploded plan view of the band length adjusting mechanism of the present invention.

FIG. 6 is an operation explanatory view of the band length adjusting mechanism of the present invention.

FIG. 7 is a cross-sectional view illustrating a wearing state of the wrist mobile phone of the present invention.

FIG. 8 is a cross-sectional view illustrating a wearing state of the wrist mobile phone of the present invention.

FIG. 9 is a cross-sectional view illustrating a wearing state of the wrist mobile phone of the present invention.

FIGS. 10A to 10C are top views of a part of an arm ring member of an arm-and-mobile phone similar to FIG. 3, showing another embodiment of the second band member 50 of the present invention; It is a sectional view and a back view.

FIG. 11 is a perspective view for explaining a wristwatch mounting method of a conventional three-clip clasp type in a wristwatch.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 arm mobile phone 2 arm ring band member 10 main body of mobile device 11 shaft attachment member 12 protruding portion 13 locking screw pin 14 band mounting recess 14 a bottom wall 14 b side wall 14 c shaft mounting hole 14 d lead mounting portion 15 shaft mounting member 16 adjustment member Mounting recess 16b Side wall 16c Shaft mounting hole 17 Shaft mounting member 20 First band member 22 Mounting portion 22a Shaft mounting hole 24 Lead wire 26 Lead wire 28a Engaging groove 28 Groove 40 Microphone 41 Locking member 42 Connecting member 42a Locking projecting portion 42b Lead wire portion 43 Locking member 44 Connecting member 44a Side wall 44c Shaft mounting hole 46 Guide member 48 Microphone body 48a Guide member sliding hole 50 Second band member 51 Guide projection 52 Mounting portion 53 Free end Portion 54 Shaft mounting hole 55 Saw toothed engagement groove portion 55a Tapered surface 55b Stopper surface 55c Saw tooth portion 56 Cutting instruction groove portion 58 Protrusion engaging end 60 Adjustment mechanism 61 Pin member 62 Adjustment frame member 62a Shaft mounting hole 62b Flange portion 62c Front wall portion 62d Open hole 63 Spring member 64 Guide roller member 64a Roller Part 64b Guide groove 65 Spring bar member 66 Insertion opening part 67 Cover member 67a Operation part 67b Operation part 68 Slide locking member 68a Locking protruding piece 68b Tapered surface 68c Opening 70 Reversing locking frame member 72 Both side plate parts 74 Reversing member Stop member 76 Stopper member 78 Insertion opening 100 Wristwatch 101 Wristwatch main body 102 Arm ring member 104 Belt member 106 Belt member 108 Part 110 Back plate member 112 Middle plate member 114 Front cover member

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hideo Taguchi 6-11-12, Honcho, Tanashi-shi, Tokyo Inside the Tanashi Works, Citizen Watch Co., Ltd. 1-12 Citizen Watch Co., Ltd. Tanashi Factory (72) Inventor Katsuaki Tamaru 6-11-12 Honcho, Tanashi-shi, Tokyo Citizen Watch Co., Ltd. Tanashi Factory (72) Inventor Masaaki Fukumoto Tokyo NTT DoCoMo, Inc., 2-1-1 Nagatacho, Chiyoda-ku, Tokyo (72) Inventor Toshiaki Sugimura 2-1-1, Nagatacho, Chiyoda-ku, Tokyo Docomo

Claims (6)

[Claims] 1. A band length adjustment mechanism for a wrist-worn portable device, comprising: a portable device main body; and an arm ring band member axially attached to one end of the portable device main body. A band length adjusting member axially mounted on the other end side, wherein the band length adjusting member reduces an opening width of the insertion opening through which a free end of the arm ring band member is inserted, and an opening width of the insertion opening. The arm ring band member is inserted into the insertion opening, and the arm ring band is inserted by the slide locking member. A band length adjusting mechanism for a wrist-worn portable device, characterized in that the member can be locked at a desired position. 2. The arm ring band member engages with the slide locking member in a direction in which the arm ring band member deviates from the insertion opening, and moves the arm ring band member into the insertion opening. The band length adjustment according to claim 1, wherein a saw-toothed engaging groove formed so as to be disengaged from the slide locking member is formed in the inserting direction. mechanism. 3. A protruding engagement end formed in a thickness direction to prevent the arm ring band member from falling out of the insertion opening at a tip end of the free end portion of the arm ring band member. The band length adjusting mechanism according to claim 1, wherein: 4. A guide roller member is provided in the insertion opening so as to face a slide locking member for guiding sliding of the arm ring band member in the insertion opening. The band length adjusting mechanism according to any one of claims 1 to 3. 5. A guide groove is formed in the guide roller member, and a guide protrusion engaging with the guide groove is formed in a longitudinal direction of the arm ring band member. Item 5. The band length adjusting mechanism according to any one of Items 1 to 4. 6. The band length adjusting member includes a reversing locking member for reversing and locking a free end of the arm ring band member inserted and locked in the insertion opening.
5. The band length adjusting mechanism according to any one of items 1 to 4.