JP3240072U - Locking device for zipper - Google Patents

Abstract

An object of the present invention is to provide a fastener locking device that can improve security, has a small number of parts, and has a simple structure. A fastener locking device (1) inserts a slider (7) into an insertion hole provided in a body case (11), locks it in the insertion hole (12), and unlocks it by an unlocking operation of an unlocking mechanism (4). A lock member 2 for locking the slider 7 is rotatably supported in the vicinity of the insertion hole 12 , and a slide member 3 for locking the lock member 2 at the lock position is tangential to the rotation circle of the lock member 2 . Slidably provided, the slide member 3 is provided with an inclined surface 32 that slides the slide member away from the lock member 2 when pressed. The unlocking operation body of the unlocking mechanism is provided with a pressing portion 53 that presses the inclined surface 32 when sliding toward the slide member 3 . The sliding is released by inserting 6. [Selection drawing] Fig. 4

Description

TECHNICAL FIELD The present invention relates to a fastener locking device for locking a fastener of a bag or the like.

Conventionally, as a locking device for fasteners, a dial code lock for fasteners described in Patent Document 1 below and a card key locking device for fasteners described in Patent Document 2 below are known.

JP 2018-071222 A JP-A-4-272380

However, the conventional dial-type code lock for fasteners described in Patent Document 1 can be unlocked by matching the numbers on the dial with the key number. If someone else finds out about it, there is a risk that it will be unlocked by someone else. On the other hand, the conventional card key locking device for fasteners described in Patent Document 2 can be unlocked by inserting the card key into the operation block, but there is a problem that the number of parts is large and it cannot be provided easily. was there.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fastener locking device that can improve security, has a reduced number of parts, and has a simple structure.

A fastener locking device according to an embodiment of the present specification inserts a fastener slider into an insertion hole provided in a main body case, locks the slider in the insertion hole, and unlocks the lock by an unlocking operation of an unlocking mechanism. A locking device for a fastener that unlocks,
A lock member for locking the slider is rotatably supported in the vicinity of the insertion hole in the main body case, and the lock member rotates when the inserted slider comes into contact with the lock member. a locking portion that locks the slider when it is rotated; a first spring member that biases the slider in a turning direction to release the locking of the slider; and rotation of the locking member. and a locking recess for locking the
A slide member, which has an engaging protrusion that can be engaged with the engaging recess of the locking member and that engages the locking member at the locking position, is provided slidably in a tangential direction of the rotation circle of the locking member. The slide member includes a second spring member that biases the locking projection to lock the locking recess, and a second spring member that pushes the locking projection away from the locking recess. and an inclined surface on which the slide member slides is provided,
An unlocking operation body of the unlocking mechanism is slidably provided in a direction substantially orthogonal to the slide member, and the unlocking operation body has a slanted surface when sliding toward the slide member. A pressing portion is provided to press the
The unlocking operation body is restricted from sliding, and is released from sliding when the key is inserted, and the pressing portion presses the inclined surface to cause the slide member to slide in the unlocking direction. characterized by

According to the fastener locking device according to the embodiment of the present specification, when locking, by inserting the slider of the fastener into the insertion hole, the slider comes into contact with the contact portion of the lock member and rotates the lock member. Then, the locked portion of the lock member that has been turned locks the slider. When unlocking, the key is inserted to cause the unlocking operation body to slide, and the pressing portion of the unlocking operation body presses the inclined surface of the slide member. The portion opens the locking recess of the locking member, the locking member rotates due to the opening of the locking recess, and the locking portion of the locking member opens the slider. As a result, the fastener locking device is unlocked. That is, the fastener locking device of the embodiment is provided with an unlocking mechanism that locks when the slider of the fastener is inserted into the insertion hole and unlocks when the key is inserted into the unlocking operation body, so that locking can be easily performed. can improve security. Further, the fastener locking device of the embodiment is composed of a main body case, a lock member, a slide member, an unlocking mechanism, an unlocking operation body, a key and a slider, and can have a simple structure with a small number of parts.

Here, in the fastener locking device described above, the unlocking mechanism includes a plurality of key grooves formed on the abutment surface of the key, and a key accommodating portion provided in the unlocking operation body into which the key is inserted. , a plurality of unlocking pins disposed on the side of the key receiving portion contacting the contact surface of the key and engaged with the contact surface or the key groove from a substantially vertical direction; and the unlocking pins and spring members in the pin receiving holes. and a pin container containing
When the key is inserted into the key receiving portion, the unlocking pin moves in a substantially vertical direction, and when the boundary between the code pin and the driver pin of the unlocking pin coincides with the unlocking line, the unlocking mechanism can be configured to be unlocked.

According to this, by inserting the key into the key receiving portion, the plurality of unlocking pins are engaged with the contact surface or the key groove. Security can be improved because the unlocking mechanism is unlocked when the correct key is used and the demarcation between the code pin of the unlocking pin and the driver pin is aligned with the shear line.

Further, in the fastener locking device, the pressing portion provided on the unlocking operation body may be a metal pin.

According to this, since the pressing portion that contacts and presses the inclined surface of the slide member is a metal pin, the durability of the fastener locking device can be enhanced.

ADVANTAGE OF THE INVENTION According to the locking device for fasteners of this invention, the security of a locking device can be improved, and a locking device with few number of parts and a simple structure can be manufactured at low cost.

It is a sectional view showing locking operation of a locking device for fasteners of an embodiment of the present invention. It is sectional drawing which shows unlocking operation of the locking device for fasteners. It is sectional drawing which shows the locking state of the locking device for same fasteners. FIG. 4 is a cross-sectional view showing a state in which a key is inserted into the fastener locking device, and a boundary between a code pin and a driver pin of an unlocking pin is aligned with an unlocking line. It is a perspective view of the locking device for the same fastener. Fig. 2 is a front view of a bag using the same fastener locking device; It is a top view of the same bag. It is a right side view of the same bag.

A fastener locking device 1 according to the present invention will be described below with reference to FIGS. 1 to 8. FIG. In addition, the scope of the present invention is not limited to the scope disclosed in the embodiments. As shown in FIGS. 6 to 8, the fastener locking device 1 according to the embodiment is used, for example, for locking a delivery bag B used as an in-house mail between bases such as a company's sales office and factory. be done.

In this specification, as shown in FIG. 5, the fastener locking device 1 is oriented so that the side of the main body case 11 having the keyhole 13 is the front and the opposite side is the rear. Regarding top and bottom, the side having the insertion hole 12 of the main body case 11 is the top, and the opposite side is the bottom. The left and right are the left and right when the main body case 11 is viewed from the front side, and are used in the drawings. F stands for front, B for rear, U for upper, D for lower, L for left, and R for right. Also, the center of the main body case 11 may be referred to as inside or outside.

As shown in FIGS. 1 to 5, the main body case 11, which is the housing of the fastener locking device 1, has a keyhole 13 in which the key 6 (FIGS. 2 and 4) is inserted on the lower side in the vertical direction on the front side. 1 to 4) of the slider 7 of the fastener F (FIG. 7) is inserted to lock the pull 71 (sometimes referred to as the slider 7). An insertion hole 12 is provided. Inside the body case are a lock member 2 for locking the slider 7, a slide member 3 for locking the lock member 2 at the lock position, and an unlocking operation body 5 for sliding the slide member 3 to perform an unlocking operation. , and an unlocking mechanism 4 for unlocking the unlocking operation body 5 by inserting the key 6 . In the fastener locking device 1, the parts other than the lock member 2 and the slide member 3 can be made of resin.

As shown in FIGS. 1 to 4, the lock member 2 is rotatably supported around a support shaft 22 and has a substantially fan-shaped portion. is provided, and locks the slider 7 by rotating. The lock member 2 is rotatably supported by a support shaft 22 in the vicinity of the front lower side of the insertion hole 12, and is rotated counterclockwise in FIGS. In 2), the slider 7 is unlocked and rotated clockwise (FIGS. 3 and 4), and the slider 7 is locked.

A contact portion 25 with which the slider 7 contacts is provided on the clockwise side of the locking portion 23 of the lock member 2 . When the slider 7 is inserted through the insertion hole 12, the slider 7 abuts against the abutting portion 25, and the locking member 2 rotates clockwise (FIGS. 1 to 3), the locking member 2 rotates clockwise. , the engaging portion 23 is fitted into the engaging hole 72 of the slider 7 to lock the slider 7 (FIG. 3).

A locking portion 24 is provided on the clockwise side of the contact portion 25 of the locking member 2 . An engaging portion 24 of the locking member 2 is provided with an engaging recess 21 having a recessed shape for locking rotation of the locking member 2 when the slider 7 is locked. When locking, when the lock member 2 rotates up to a predetermined angle, the engaging projection 31 of the slide member 3 engages with the engaging recess 21 to lock the rotation of the locking member 2 (FIG. 3). The lock member 2 is provided with a first spring member 26 that biases the lock member 2 counterclockwise, and the lock member 2 is constantly biased counterclockwise in the unlocking direction by the first spring member 26 . It is When the slider 7 is inserted through the insertion hole 12 at the time of locking, the slider 7 (pull 71) pushes down the contact portion 25 and is engaged there, as shown in FIG. Further, when the lock projection 31 of the slide member 3 is separated from the lock recess 21 of the lock member 2 at the time of unlocking, the lock member 2 is moved counterclockwise by the first spring member 26 as shown in FIG. Rotating around, the locking portion 23 releases the locking of the locking hole 72 of the slider 7, and the lock is released. At the same time, since the abutting portion 25 of the lock member 2 pushes the slider 7 up and out of the insertion hole 12, it is possible to visually confirm that the lock has been unlocked, and the operation of opening the fastener F by pinching the slider 7 is facilitated. . When the lock member 2 is unlocked, the engaging portion 24 of the lock member 2 abuts against the receiving portion 14 of the main body case 11, the rotation of the lock member 2 is stopped, and the lockable state is restored (FIG. 2).

As shown in FIGS. 1 to 4, the slide member 3 is provided so as to be vertically slidable. A locking projection 31 for locking is provided. A second spring member 33 is provided on the lower side of the slide member 3 to urge the slide member 3 upward. It is urged in the direction of coming into contact with the stop recess 21 . Therefore, as shown in FIGS. 3 and 4, in the locked state, the locking protrusion 31 of the slide member 3 is fitted into the locking recess 21 of the lock member 2 to prevent the lock member 2 from rotating. Locked and kept locked.

An inclined surface 32 inclined forward from top to bottom is provided at substantially the center of the front portion of the slide member 3 in the vertical direction. As a result, the slide member 3 slides downward, and the locking projection 31 releases the locking of the locking recess 21 of the locking member 2 (FIG. 2).

The unlocking operation body 5 slides backward when the correct key 6 is inserted into the keyhole 13 and pushed in, and the pressing portion 53 of the unlocking operation body 5 presses the inclined surface 32 of the slide member 3 . , slides the slide member 3 downward. The unlocking operation body 5 includes a key housing portion 51 for housing the inserted key 6, a pin-shaped pressing portion 53 for pressing the inclined surface 32 of the slide member 3, and an unlocking operation by correct insertion of the key 6. An unlocking mechanism 4 for performing is provided. The unlocking operation body 5 slides rearward by the unlocking operation of the unlocking mechanism 4 . As the unlocking operation body 5 slides backward, the slide member 3 slides downward, the lock member 2 is unlocked, and the pull tab 71 of the slider 7 of the fastener is released. It should be noted that the pressing portion 53 can be configured from a metal pin in order to improve durability.

As shown in FIGS. 1 to 4, the unlocking mechanism 4 includes a pin housing body 44 fixed facing the housing chamber of the unlocking operation body 5 provided in the main body case 11, and a pin housing body 44 which is slidable in this housing chamber. and an unlocking operation body 5 provided in the. A plurality of pin accommodation holes 45 are provided in the pin accommodation body 44 facing the unlocking operation body 5 side, and a plurality of pin through holes 52 are provided at positions corresponding to the unlocking operation body 5 . A plurality of sets (three sets in FIGS. 1 to 4) of the pin housing holes 45 and the pin through holes 52 are provided at opposing positions. The code pin 43 of the unlocking pin 40 is accommodated in the pin through hole 52 , and the spring member 46 and the driver pin 42 are accommodated in the pin accommodation hole 45 .

The unlocking pin 40 consists of a driver pin 42 and a code pin 43 , and the length of the code pin 43 is determined according to the depth of the keyway 62 . The unlocking pin 40 is biased downward by a spring member 46 housed in the upper back of the pin housing hole 45 . When the key 6 is inserted into the keyhole 13 provided in the unlocking operation body 5 and the boundary between all the code pins 43 and the driver pins 42 coincides with the unlocking line 41, the unlocked state is entered, and the pin housing body 44 is locked. The unlocking operation body 5 becomes slidable rearward in the unlocking direction.

Next, a method of using the fastener locking device 1 of the embodiment will be described. As shown in FIGS. 6 to 8, the fastener locking device 1 is attached, for example, near the closing end of the fastener F of the bag B for delivery. , the slider 7 is inserted into the insertion hole 12 to lock the slider 7.

The slider 7 inserted into the insertion hole 12 contacts the contact portion 25 of the lock member 2 and rotates the lock member 2 clockwise (FIGS. 1 to 3). The lock member 2 that rotates clockwise has the locking portion 23 fitted into the locking hole 72 of the slider 7, and rotates the lock member 2 to the position shown in FIG. At this time, the locking convex portion 31 of the slide member 3 biased upward by the second spring member 33 is fitted into the locking concave portion 21 of the locking member 2, and the locking member 2 is locked. In this state, since the slide member 3 is urged upward by the second spring member 33, the locked state is maintained, and the fastener locking device 1 is in the locked state (FIG. 3).

When unlocking, the key 6 is inserted into the keyhole 13 and the unlocking operation body 5 is pushed in to unlock. When the key 6 is inserted into the keyhole 13, the boundaries between all the code pins 43 and the driver pins 42 are aligned with the unlocking line 41, and when the key 6 is pushed backward in this state, the lock is unlocked as shown in FIG. The operating body 5 slides backward, and the pressing portion 53 of the unlocking operating body 5 presses the inclined surface 32 of the slide member 3, causing the slide member 3 to slide downward. As the slide member 3 slides downward, as shown in FIG. It rotates counterclockwise to release the locked slider 7 and unlock the fastener locking device 1 .

According to the fastener locking device 1 according to the embodiment of the present specification, when locking, the slider 7 of the fastener F is inserted into the insertion hole 12 so that the slider 7 comes into contact with the contact portion 25 of the lock member 2. The locking portion 23 of the locking member 2 thus rotated is fitted into the pull tab 71 of the slider 7 and locked by locking. When unlocking, by inserting the key 6 into the keyhole 13 and pushing the unlocking operation body 5 , the pressing portion 53 of the unlocking operation body 5 presses the inclined surface 32 of the slide member 3 . By pressing the inclined surface 32 , the engaging projection 31 of the slide member 3 releases the engaging recess 21 of the locking member 2 . Then, the locking member 2 is rotated by opening the locking recess 21, the locking portion 23 of the locking member 2 opens the slider 7, and the fastener locking device 1 is unlocked. That is, the fastener locking device 1 of the embodiment includes the unlocking mechanism 4 that locks when the slider 7 of the fastener F is inserted into the insertion hole 12 and unlocks when the key 6 is inserted into the unlocking operation body 5. Locking can be performed easily, and security can be improved. Further, the fastener locking device 1 of the embodiment is composed of the main body case 11, the locking member 2, the sliding member 3, the unlocking mechanism 4, the unlocking operation body 5, the key 6 and the slider 7, and the number of parts is small, and it is simple. structure.

REFERENCE SIGNS LIST 1 fastener locking device 2 lock member 3 slide member 4 unlocking mechanism 5 unlocking operation body 6 key 7 slider 11 main body case 12 insertion hole 13 keyhole 14 receiving portion 21 locking recess 22 spindle 23 locking portion 24 locking portion 25 contact portion 26 first spring member 31 locking projection 32 inclined surface 33 second spring member 40 unlocking pin 41 unlocking wire 42 driver pin 43 code pin 44 pin housing 45 pin housing hole 46 spring member 51 key housing Part 52 Pin Through Hole 53 Pressing Part 61 Contact Surface 62 Key Groove 71 Pull 72 Locking Hole B Bag F Fastener

Claims (3)

A fastener locking device for inserting a fastener slider into an insertion hole provided in a body case, locking the slider in the insertion hole, and unlocking the lock by an unlocking operation of an unlocking mechanism,
A lock member for locking the slider is rotatably supported in the vicinity of the insertion hole in the main body case, and the lock member rotates when the inserted slider comes into contact with the lock member. a locking portion that locks the slider when it is rotated; a first spring member that biases the slider in a turning direction to release the locking of the slider; and rotation of the locking member. and a locking recess for locking the
A slide member, which has an engaging protrusion that can be engaged with the engaging recess of the locking member and that engages the locking member at the locking position, is provided slidably in a tangential direction of the rotation circle of the locking member. The slide member includes a second spring member that biases the locking projection to lock the locking recess, and a second spring member that pushes the locking projection away from the locking recess. and an inclined surface on which the slide member slides is provided,
An unlocking operation body of the unlocking mechanism is slidably provided in a direction substantially orthogonal to the slide member, and the unlocking operation body has a slanted surface when sliding toward the slide member. A pressing portion is provided to press the
The unlocking operation body is restricted from sliding, and is released from sliding when the key is inserted, and the pressing portion presses the inclined surface to cause the slide member to slide in the unlocking direction. A locking device for fasteners characterized by: The unlocking mechanism includes a plurality of key grooves formed on the abutment surface of the key, a key receiving portion provided in the unlocking operation body into which the key is inserted, and a key corresponding to the key receiving portion. A plurality of unlocking pins arranged on the side where the contact surface contacts and engaging the corresponding contact surface or the key groove in a substantially vertical direction, and a pin housing containing the unlocking pin and the spring member in the pin housing hole. ,
When the key is inserted into the key receiving portion, the unlocking pin moves in a substantially vertical direction, and when the boundary between the code pin and the driver pin of the unlocking pin coincides with the unlocking line, the unlocking mechanism 2. The fastener locking device according to claim 1, wherein the locking device is unlocked. 3. The fastener locking device according to claim 1, wherein the pressing portion provided on the unlocking operation body is a metal pin.

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