JP3001890U - Watch band fasteners - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention is to form a shaft or a pin that can be rotated by a vertical movement of a latch claw to be a rotatable pin or pipe to minimize frictional wear when the latch is released. , And a spring rod that elastically expands and contracts when the double lock frame is disengaged, and similarly aims to reduce wear. [Structure] The present invention is a two-fold metal fitting formed by folding and unfolding an upper plate 1 and a lower plate 2 or a three-fold metal fitting formed by adding an upper box 3 to the lower plate 2. A recessed cut end 4 and four continuous standing walls 5a, 5b, 5c, 5d are provided at the end 4, and a pin 6 or a pipe 7 is rotatably inserted into the standing wall to form the upper plate 1 or the upper plate. The box 3 is provided with hooks 8 for hanging around the pin 6 or the pipe 7, and both side walls 3a of the upper box 3
A spring rod 9 is stretched between 3b, and hemispherical surfaces 9a and 9b formed at both ends of the spring rod 9 are slightly projected from both side walls 3a and 3b.
A stopper for a watch band is characterized in that it has a hooking / releasing mechanism that elastically hooks / disengages between the stopper holes 11a, 11b provided in the double lock frame 10.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a stopper for a watch band, and more particularly, to a stopper for minimizing wear due to friction in a portion where the watch band is engaged and disengaged.

[0002]

[Prior art]

 As a fastener of this kind, there is Japanese Utility Model Laid-Open No. 2-147022. In this publication, ratchet holes are provided in parallel on both side walls of the upper box, and an auxiliary box fitted to the upper box is provided with ratchet pawls that engage with and disengage from the ratchet holes and knobs for retracting the ratchet pawls. The ratchet type double lock three-fold is characterized in that it is slidable and has a pivot cover for double-locking the upper box at the end of the three-fold lower piece.

[0003]

[Problems to be solved by the device]

 However, in this publication, the locking claws of the upper box 1 are disengaged from the fixed winding portion of the shaft 18 provided on the lower plate 16, and the projections for locking are provided on both inner surfaces of both sides of the double lock frame 19, so that both sides of the upper box 1 are covered. Since the wall is provided with a stop hole for engaging and disengaging with the projection, there is a problem in that the friction at the time of engagement and disengagement is increased to facilitate wear. Titanium, which is particularly excellent in terms of corrosion resistance and metal irritation, does not cause irritation, and is liable to wear, which poses a problem that it is not suitable for forming this type of fastener.

[0004]

[Means for Solving the Problems]

 In the present invention, the lower plate 2 is provided with vertical walls 5a, 5b, 5c, 5d or winding cylinders 5e, 5f, 5g, 5h as bearings, and pins 6 or pipes 7 are rotatably inserted in the vertical walls. , The hook claws 8 provided on the upper plate 1 or the upper box 3 are unlocked by rotating the pins or pipes, and the double lock frame 10 elastically compresses the hemispherical surfaces 9a and 9b at both ends of the spring rod 9. However, the stopper holes 11a and 11b are used to hang them, and both have a structure that reduces friction at the time of hang-up and prevents wear so that metals such as titanium that do not cause rash can be positively used. It is an attempt to solve a problem.

[0005]

[Action]

 In the present invention, when the two-fold metal fitting or the three-fold metal fitting is folded, the latching claws provided on the upper plate or the upper box are slidably contacted with the peripheral surface of the pin or pipe of the lower plate to rotate and lock them. In addition, the latching pawls separate from the pins or pipes while rotating the pins or pipes even when unfolded, and the stop holes of the double lock frame 10 also compress the springs of the spring rods to make the hemispherical surfaces of both ends elastic. It will be dented while hanging.

[0006]

【Example】

 An embodiment of a three-fold metal fitting with a double lock will be described below with reference to the drawings.

A three-fold metal fitting made of titanium or a titanium alloy is formed by folding the upper box 3 and the upper plate 1 and the lower plate 2 and connecting them in an unfoldable manner. The lower plate 2 of the metal fitting is provided with a concave cut end 4 and four vertical walls 5a, 5b, 5c, 5d with holes on the side surface of the cut end, and the stepped wall is extended from one side of the vertical wall to one end. A pin 6 having a head 6a having a circular cross section is rotatably inserted, and the other end of the pin 6 is caulked and fixed to 6b.

In this portion, as shown in FIG. 6, pipes 7, 7 are preliminarily placed between the upright walls 5a, 5b and between 5c, 5d, and a pin 6 is inserted into the pipe 7, 7 can be supported and the pipes 7, 7 can be replaced by rotating them. Further, as shown in FIG. 7, instead of the folding wall, winding cylinders 5e, 5f, 5g and 5h may be used.

Between the intermediate portion of the pin 6, that is, between the upright walls 5b and 5c, one end of the half watch band 12a is loosely wound and connected. The upper box 3 is provided with latching pawls 8, 8 which are hooked and unhooked when folded, on the peripheral surface of the pin 6 or the pipes 7, 7.

Further, the double lock frame 10 is rotatably attached by being attached to the outer side of the upright walls 5a and 5d of the lower plate 2, that is, both outer end portions of the pin 6. 11a and 11b are stop holes provided on both sides. The upper box 3 is provided with a recess 3c into which the lateral plate 10a of the double lock frame 10 is fitted, and a spring rod 9 (a shaft portion which elastically expands and contracts at both ends with a coil spring as an intermediate is provided between the side walls 3a and 3b. A double lock frame, in which both ends of the spring rod 9 are formed into hemispherical surfaces 9a and 9b, and the hemispherical surfaces 9a and 9b project slightly outward from the side walls 3a and 3b. A hooking / releasing mechanism that elastically locks / unhooks between the ten stop holes 11a and 11b is configured. Between the side walls 3a and 3b of the upper box 3, one end of the other half of the watch band 12b is fixed to the shaft 13. Numerals 1a and 1b are cylindrical portions for connecting the upper box, which are provided at free ends of the upper plate 1, and 14 is a connecting spring rod.

When the three folding metal fittings are to be folded, the upper plate 1 and the lower plate 2 are folded under the upper box 3 and the hooks 8 and 8 are slid on the pins 6 or the pipes 7 and 7 of the lower plate 2. The pins 6 or the pipes 7, 7 are hooked around the peripheral surfaces of the pins 6 or pipes 7 while making contact with each other and rotating. Next, the double lock frame 10 is rotated onto the upper box 3 to fit the horizontal plate 10a into the recess 3c, and the side plate portions elastically push the hemispherical surfaces 9a and 9b of the spring rod 9 to make the stop holes 11a and 11b. The two are made to face each other and elastically overhang to fit and hook.

When deploying the three-fold metal fitting, the reverse order is performed, that is, the double lock frame 10 is removed, and then the upper box 3 is pivotally deployed.

[0013]

[Effect of device]

 Since the present invention is configured as described above, when the two-fold metal fitting or the three-fold metal fitting is folded, the latch claws provided on the upper plate or the upper box will slide on the peripheral surface of the pin or pipe of the lower plate. There is an effect that it is engaged and disengaged while rotating, and wear due to friction is extremely reduced when engaging and disengaging.

In the double lock frame as well, since both ends of the spring rod stretched between the side walls of the upper box are made to have hemispherical surfaces so as to elastically expand and contract with the stop hole to be disengaged, the friction lock is similar to the above. The effect of being able to significantly reduce wear due to

As a result, there is an effect that titanium, which is easily worn, can be formed by adopting it to a two-fold metal fitting or a three-fold metal fitting with a double lock with good durability.

Further, even if the band is pulled, there is an effect that the hook does not come off.

[Brief description of drawings]

FIG. 1 is a perspective view showing a three-fold metal fitting with a double lock in a folded state.

FIG. 2 is a perspective view showing each member before being partially assembled in the same semi-deployed state.

FIG. 3 is a partial enlarged side cross-sectional view showing a hooked state of an upper box and a lower plate.

FIG. 4 is a front sectional view showing a state in which a double lock frame is hooked.

FIG. 5 is a view showing another example of a spring rod for locking a double lock frame.

FIG. 6 is a partial perspective view showing an example of inserting a pipe.

FIG. 7 is a partial perspective view showing an example in which the standing wall is a winding cylinder portion.

[Explanation of symbols]

 1 is an upper plate 1a, 1b is a cylinder portion for connecting an upper box 2 is a lower plate 3 is an upper box 3a, 3b is a side plate 3c 4 is a concave cut end 5a, 5b, 5c, 5d is a vertical wall 5e, 5f , 5g and 5h are winding cylinders 6 Pins 7 Pipes 8 Claws 9 are spring rods 9a and 9b are hemispherical surfaces at both ends of the spring rods 10 are double lock frames 10a are horizontal plates 11a and 11b of double lock frames The stop hole 12a is one half of the watch band 12b is the other half of the watch band 13 is the shaft 14 is the connecting spring rod.

Claims (4)

[Scope of utility model registration request] 1. A two-fold metal fitting formed by folding and unfolding an upper plate 1 and a lower plate 2 or a three-fold metal fitting formed by adding an upper box 3 thereto, wherein the lower plate 2 is recessed. The cut end 4 and four continuous standing walls 5a, 5b, 5c, 5d or winding cylinders 5e, 5f, 5g, 5h are provided on the cutting end 4 and the pin 6 or the winding wall or winding cylinder is provided. The pipe 7 is rotatably inserted, and the upper plate 1 or the upper box 3 is provided with a latching claw 8 for engaging and disengaging the pin 6 or the peripheral surface of the pipe 7, and both side walls 3a of the upper box 3 are A spring rod 9 is stretched between 3b, and semi-closed surfaces 9a and 9b formed at both ends of the spring rod 9 are slightly projected from both side walls 3a and 3b to form stop holes 11a and 11b provided in a double lock frame 10. A stopper for a watch band, characterized in that it has a mechanism for elastically engaging and disengaging between. 2. A two-fold metal fitting formed by folding and unfolding an upper plate 1 and a lower plate 2 or a three-fold metal fitting formed by adding an upper box 3 thereto, wherein the lower plate 2 is recessed. The cut end 4 and four continuous walls 5a, 5b, 5c, 5d or winding cylinders 5e, 5f, 5g, 5h are provided on the end 4, and the pin 6 or the pipe 7 is provided on the folding wall or winding cylinder. A stopper fitting for a watch band, characterized in that a stopper claw 8 is attached to the upper plate 1 or the upper box 3 so as to be engaged with and disengaged from the peripheral surface of the pin 6 or the pipe 7. 3. A spring rod 9 is stretched between both side walls 3a, 3b of the upper box 3, and hemispherical surfaces 9a, 9b formed at both ends of the spring rod 9 are slightly projected from both side walls 3a, 3b. A stopper for a watch band, characterized in that a latching mechanism for resiliently engaging and disengaging with the stopper holes 11a and 11b provided in the double lock frame 10 is configured. 4. The watch band according to claim 1, wherein the upper plate 1, the lower plate 2, the upper box 3 and the double lock frame 10 are made of titanium or a titanium alloy. Fastener.