JP2001238709A - Slide fastener lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To release a slide fastener lock in a locked state simply by inserting a spare key into a lock box. SOLUTION: The slide fastener lock comprises the hollow lock box having respective openings at front and rear ends, a slide lock plate slidably mounted into the lock box, and the plate-like spare key that is freely inserted into the lock box and slides the slide lock plate to the opening at the front end at a release time. The tip of the slide lock plate is provided with a locking projection for locking a handle of the slide fastener at a locking time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slide fastener lock, and more particularly, to a slide fastener lock suitable for a bag-type fastener.

[0002]

2. Description of the Related Art Conventionally, a padlock has been used as a slide fastener lock suitable for a bag fastener.
Generally, a padlock comprises a box-shaped lock box and an inverted locking hook provided in a protruding state on the lock box, and a lock having a key hole (key groove) for a duplicate key is provided on the bottom wall of the lock box. A moving body is provided. Therefore, in order to unlock this kind of padlock, it was necessary to insert a key for a duplicate key into the key hole, rotate it, and rotate the inverted locking hook at the time of unlocking.
Currently, there is a demand for unlocking the slide fastener lock with one touch without turning the duplicate key.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional needs, and a first object of the present invention is to unlock a slide fastener lock in a locked state simply by inserting a duplicate key into a lock box. What you can do. That is, the lock can be unlocked by one-touch operation. The second object is to lock the slide fastener by simply pushing the slide lock plate into the lock box or pulling the duplicate key, with the slide fastener closed at the desired position in the approximated state. That is, the locking operation is easy. A third object is to be able to easily lock and unlock the puller of the slide fastener closed at a predetermined position with a lock box having a slide lock plate inside.

[0004]

SUMMARY OF THE INVENTION A slide fastener lock according to the present invention comprises a hollow lock box having openings at front and rear ends, a slide lock plate slidably mounted in the lock box, and the lock box. And a plate-shaped key that slides the slide lock plate toward the front end opening when unlocked, and locks the puller of the slide fastener when locking to the tip of the slide lock plate. It is characterized in that a latching projection for locking in a state is formed.

[0005] In the above structure, the lock box is characterized in that the lock box is suspended by a locking projection which locks the puller of the slide fastener in a lock shape. Further, the lock box is fixed to a predetermined position of the bag via the mounting base plate.

[0006]

FIG. 1 is a perspective view showing an example of an embodiment of the present invention. Reference numeral 1 denotes bags such as a paper bag, a notebook computer bag, and a bag. Numeral 2 is a double-sided tape sewn to an opening of a bag. These double-sided tapes 2 and 2 have respective teeth 3 as is known. Numeral 4 denotes two sliders which slide along both side tapes 2 and 2. Pullers 6 and 6 having circular engagement holes 5 and 5 formed at their free ends are provided on these sliders 4 and 4, respectively. Is attached.

Next, X is a hanging type slide fastener lock. This slide fastener lock X basically has a hollow lock box 7 having openings 8 and 9 at front (front) and rear ends, a slide lock plate 21 slidably mounted in the lock box, It is inserted freely into the lock box 7,
And a plate-shaped duplicate key 41 for sliding the slide lock plate 21 toward the front end opening when unlocking. Therefore, these members will be described in order.

First, the appearance of the lock box 7 has a general eraser shape or a box shape which can be picked up by a finger as a whole. With reference to FIG. 1 in a locked state, a window-like opening 8 into which pullers 6, 6 enter in a superposed state is provided at the tip.
On the other hand, a window-shaped opening 9 into which the duplicate key portion of the duplicate key 41 enters is formed at the rear end. A plurality of non-slip vertical grooves 10 are formed at predetermined intervals on the side wall of the lock box 7. The lock box 7 is provided with a hook-shaped engaging arm 1 for easily installing the slide lock plate 21 in combination.
It comprises a base 12 having 1, 1 and a frame 13 integrally engaged with the base 12.

The structure of the frame 13 will now be described with reference to FIG. FIG. 3 shows the frame-shaped body shown in FIG. 2 turned upside down. In FIG. 3, reference numeral 14 denotes a horizontal facing wall facing the base 12, and a plurality of recesses 15 are formed on an inner wall surface of the facing wall 14. Reference numeral 16 denotes left and right side walls which are continuously provided at right angles to the edge of the opposing wall 14, and a plurality of non-slip vertical grooves 10 are formed on the outer wall surfaces of these side walls as described above. .

However, the above-mentioned opening 8 at the front end is formed by cutting out the side wall at the slightly thicker front end, while the opening 9 at the rear end is cut out at the rear end side wall. It is formed by. The four protruding corners 17 left by these cutouts are regulating portions for regulating the moving range of the slide lock plate 21. 19
Are receiving grooves formed on the outer walls of the protruding corners 17 on the rear end side. The hook-shaped engaging arms 11 of the base 12 fit into these receiving grooves 19 exactly.

As shown in FIG. 4, a click spring 31 for urging the click ball 30 and an obstacle spring 33 for directly energizing the movable obstacle 32 of the first group are appropriately incorporated in the recess. It is.

Next, the slide lock plate 21 will be described. FIG. 2 is a perspective view from above, while FIG.
FIG. 3 is a perspective view in which main parts of FIG. 2 are turned upside down. Therefore, referring to FIG. 2, reference numeral 22 denotes a rectangular sliding portion, and the sliding portion 22 is formed with through holes 23 which can face the recesses 15 of the frame 13. A second group movable obstacle 24 that can move in the cross direction by inserting the duplicate key 41 is incorporated in these through holes 23.

Numerals 25 are notches formed at the four corners of the rectangular sliding portion, and the wall surfaces formed by the notches 25 correspond to the inner wall surfaces having the stopper function of the four corners 17 of the frame 14 described above. It is accessible.

Reference numeral 26 is formed to intersect with a mountain-shaped continuous portion 27 extending from the leading end of the slide lock plate 21, and
It is a locking projection that locks the two overlapped pullers 6, 6 of the slide fastener in a locked state when locking. Here, the slide lock plate 21 will be further described with reference to FIG. Reference numeral 28 denotes a fitting recess for a key formed on one side surface of the slide lock plate 21. The fitting recess 28 communicates with the through hole 23 described above. Reference numeral 29 denotes a receiving surface for the duplicate key 41 that has appeared by forming the fitting recess 28. 4
Reference numeral 0 denotes a plurality of guide projections for the duplicate key 41, and these guide projections 40 are provided on the inner wall surface of the rear end portion of the fitting recess 28 at a predetermined interval.

Finally, the duplicate key 41 will be described. As shown in FIG. 1 or FIG. 2, the duplicate key 41 is composed of a knob 42 and a key 43 protruding from the knob 42, and the key 43 is provided with a guide projection 40 of the slide lock plate 21 in the insertion direction. A plurality of long grooves 44 to be engaged are formed. The long groove 44 is provided with the second
An engaging portion 45 such as a groove or a small hole with which the movable obstacle 24 of the group is engaged is formed.

In the above structure, the uppermost schematic cross-sectional views of FIGS. 1 and 4 show a state in which the pullers 6, 6 of the slide fastener of the bag are overlapped and locked, respectively. In this case, the locking projection 26 of the slide lock plate 21 retreated into the lock box 7 is locked via the pulls 6, 6. If the latching projection 26 is compared to the head of a turtle, it is as if the head had entered the body (lock box). For this reason, it is impossible to move the fastener by pulling the pullers 6, 6 of the sliders 4, 4.

In order to open the fastener by pulling the handles 6, 6, it is necessary to insert the duplicate key 41 into the lock box 7. In this case, the duplicate key portion 42 is inserted into the fitting recess 28 of the slide lock plate 21. Then, the first and second group movable obstacles 32 and 24 (commonly called pin tumblers) move to the joining line (“shear line”), respectively.

When the duplicate key 42 is pushed further,
As shown in the schematic diagram at the bottom of FIG. 4 and in FIG. 5, the slide lock plate 21 slides in the direction of the distal end opening 8 via the duplicate key 42, and the latching projection 26 moves from the distal end opening 8. Get out. That is, the turtle's head comes out of the body (lock box). Therefore,
Remove the handles 6, 6 from the latching projections 26. After removing the pulls 6, 6 from the latching projections 26, the latching projections 2 are
Push back 6 and remove the duplicate key to return to the initial state.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In one embodiment of the present invention, the number of the latching projections 26 of the slide lock plate 21 is one.
A pair of locking projections 26 may be provided in parallel.

FIGS. 6 and 7 show a second embodiment for achieving the third object of the present invention. In the description of the second embodiment, the same parts as those of the first embodiment are denoted by the same or similar reference numerals, and duplicate description will be omitted.

The main difference between the second embodiment and the first embodiment is that, in order to fix the lock box 7A to the hopper 1, the mounting base plate 50 and the lock box 7A are connected to the mounting base plate 50. Is provided with fixing means 51 for fixing to the surface.

Thus, through holes 52 are formed at the four corners of the mounting base plate 50, respectively. Since the through holes 52 are formed in the mounting base plate 50, the bases 12 of the lock box 7A are aligned with these through holes 52.
A has a screw hole 53 formed therein.

In the above configuration, as shown in FIG.
The mounting base plate 50 and the base 12A of the lock box 7A are fixed to a predetermined portion of the food 1 via a fixing means 51 in a so-called sandwich state. In this case, the mounting base plate 50 is provided on the back side wall surface of the bag 1 and on the other hand, the base 12A.
The lock box 7A is fixed to the bag 1 through the fixing means 51 through the through hole 52 so as to face the front side wall surface of the bag 1.

In this embodiment, although there is an inconvenience of sliding the pullers 6, 6 to a predetermined position, there is an advantage that it is not necessary to carry the lock box 7A like a padlock at all times.

[0025]

As is apparent from the above description, the present invention has the following operations and effects. (1) The slide fastener lock in the locked state can be unlocked simply by inserting the duplicate key into the lock box. It can be unlocked by a so-called one-touch operation. That is, the locking operation is easy. (2) The puller of the slide fastener, which has been closed at the desired position in the about state, can be locked by simply pushing the slide lock plate into the lock box or by pulling the duplicate key. (3) The puller of the slide fastener closed at a predetermined position can be unlocked or the like only by one-touch operation of the slide lock plate. Further, there is no need to always carry the lock box 7A like a padlock.

[Brief description of the drawings]

FIGS. 1 to 5 are explanatory diagrams showing a first embodiment of the present invention. FIGS. 6 and 7 are explanatory views showing a second embodiment of the present invention.

FIG. 1 is a perspective view showing an example of an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the present invention as viewed from above.

FIG. 3 is a perspective view of the essential part of FIG. 2 turned upside down;

FIG. 4 is an explanatory diagram of the present invention from a locked state to an unlocked state.

FIG. 5 is an explanatory diagram of an unlocked state according to the present invention.

FIG. 6 is an exploded perspective view of the second embodiment viewed from above.

FIG. 7 is a schematic sectional view of a use state of the second embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Bags, 2 ... Tape on both sides, 3 ... Tooth teeth 3, 4 ... Slider, 5 ... Engagement hole, 6 ... Puller, X ... Slide fastener lock, 7, 7A ... Lock box, 8, 9 ... Opening, 10: anti-slip vertical groove, 11: engaging arm, 12: base, 13: frame-like body,
14 ... opposed wall part, 15 ... recessed part, 16 ... left and right side wall part, 1
7: Four corners of projection, 19: receiving groove, 21: slide lock plate, 22: rectangular sliding portion, 23: through hole, 23:
Through hole, 24: second group movable obstacle, 25: notch, 26: latching projection, 28: fitting recess, 29: receiving surface,
Reference Signs List 30: click ball, 31: click spring, 32: movable obstacle of first group, 33: obstacle spring, 40: guide protrusion, 41: duplicate key, 42: knob, 43: duplicate key, 4
4 long groove, 45 engagement part, 50 mounting base plate, 51
... fixing means, 52 ... through holes, 53 ... screw holes.

Claims (4)

[Claims] 1. A lock box having a hollow shape having openings at front and rear ends thereof, a slide lock plate slidably mounted in the lock box, and inserted into the lock box so as to be freely inserted and unlocked. A locking key that slides the slide lock plate toward the front end opening, and a locking protrusion that locks the puller of the slide fastener when locking is formed at the tip of the slide lock plate. A slide fastener tablet characterized by the following. 2. The slide fastener lock according to claim 1, wherein the lock box is suspended by a locking projection which locks a puller of the slide fastener in a lock shape. 3. The slide fastener lock according to claim 1, wherein the engaging projection is formed in a mountain-shaped continuous portion extending from a tip end of the slide lock plate. 4. A hollow lock box 7A fixed to a wall of a bag via a mounting base plate 50 and having openings at front and rear ends, and a slide lock slidably mounted on the lock box. A plate-shaped key 41 which is inserted into the lock box 7A so as to be freely inserted and which slides the slide lock plate to the front end opening when unlocking,
At the tip of the slide lock plate, a locking projection 26 for locking the puller of the slide fastener in the locked state when locking.
A slide fastener tablet, characterized in that a slide fastener is formed.