JP2005173665A - Door lock device for vending machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door lock device for a vending machine for performing a keyless operation and improving a burglar prevention property while adopting a snatch lock for a door lock means. <P>SOLUTION: As an outer door lock means, an automatic-lock type snatch lock 7 and its receiving piece 8 are separated and disposed on a rear face of an outer door 2 and at an opening end part of an outer box 1, respectively. As an actuator to unlock the snatch lock 7 by a remote operation, an electromagnetic solenoid 12 is disposed inside the outer doors 2 by linking it with an unlock lever 7c of the snatch lock 7. When the outer door 2 is opened, an unlock command is transmitted by radio from outside the vending machine by using a remote controller 13 then the actuator 12 operated by receiving the command unlocks the snatch lock 7 and unlocks the locking with the receiving piece 8. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a door lock device for an outer door disposed on the front surface of a cabinet of a vending machine.

  First, FIG. 3 and FIG. 4 show a vending machine to which the present invention is applied. In the figure, 1 is an outer box of a cabinet that becomes a heat-insulating housing, 2 is a single-opening type outer door disposed on the front surface of the outer box 1, 2a is a display room defined on the front surface of the outer door 2, and 2b is a product collection. An outlet, 3, 4 are heat-insulating inner doors divided into upper and lower parts arranged behind the outer door 2, and 5 is a product storage rack mounted in the box of the outer box 1.

  The outer door 2 has a suspension side (left end side in the drawing) hinged to the opening end of the outer box 1 via a hinge (not shown), and is opposite to the suspension side (right end in the drawing). A door lock 6 combined with a handle is provided on the side), and the door lock 6 locks the outer door 2 to the closed position. In addition, 14 is a coin mech equipped on the outer door 2 as a money handling machine, and 15 is a bill validator.

  Here, the door lock device 6 equipped in the conventional vending machine has a handle with a lock attached to the outer door 2, and the upper and lower sides linked to a cam provided on the shaft of the handle on the back side of the outer door 2. A movable slide plate (a latch) is laid, and a hook-shaped receiver is provided at the open end of the outer box 1 so as to face the slide plate, and the slide plate is received when the outer door 2 is closed. So that the outer door 2 is locked in the closed position, and when the door is opened, the handle lock is unlocked using the key, and the slide plate and the catch are engaged by operating the handle. The door is removed and opened (for example, see Patent Document 1).

  On the other hand, an auto-lock type locking device called “snatch lock” is known as a kind of lock applied to a door catch or the like (see, for example, Patent Document 2). This snatch lock is attached to the back side of the door, and when the door is closed, it is automatically latched to a receiving plate (lock bar) on the other side to lock the door in the closed position. (a) to (c).

That is, the snatch lock 7 has a structure in which a lock plate 7a and a latch lever 7b are incorporated in a box-shaped case in which a concave groove into which a receiving metal 8 is fitted is formed on the front end side, and a release lever 7c is provided on the bottom surface of the case. When the receiver 8 is pushed into the concave groove of the case, the latch lever 7a is automatically engaged with the receiver 8 and locked. Further, the snatch lock 7 is attached to the back surface of the door 10 as shown in FIG. 6, and the wire 9 pulled out from the release lever 7 c of the snatch lock 7 is attached after the catch 8 is attached to the inside of the box 11. It is linked to the handle of the door 10 and interlocked. When the door 10 is opened, the wire 9 is pulled by a handle operation, and the release lever 7c of the snatch lock 7 tilts the latch lever 7a to the release position indicated by the chain line in FIG. To cancel. The snatch lock 7 having such a configuration can obtain a high level of safety because there is no possibility that the locked state with the receiver 8 is released even when the door is shaken, for example.
JP 2000-123236 A JP-A-8-282277

  Incidentally, the door lock device employed in the conventional vending machine described in FIG. That is, by using a tool such as a bar or grinder to destroy the lock handle exposed on the front of the vending machine door, or by scratching the surrounding door plate, it is easy to It is possible to disengage the door and open the door. For this reason, the coin mech 14 and its recovery box equipped on the back side of the outer door 2 and the collection box and the bill validator 15 are susceptible to theft that illegally steals money. There is.

  The present invention has been made in view of the above points, adopts a highly secure snatch lock as described above for the door locking means, and also eliminates the lock handle from the outer door, making it keyless and improving the anti-theft performance. An object of the present invention is to provide a door lock device for a vending machine designed to achieve the above.

  In order to achieve the above object, according to the present invention, a door lock device for locking a single-open outer door disposed on the front surface of a vending machine cabinet to a closed position is configured as follows.

  In other words, as a means for locking the outer door, an auto-locking type snatch lock and its receiving metal are distributed and installed inside the outer door and the outer box, and an electrically driven actuator that unlocks the snatch lock by remote control is installed. The snatch lock is unlocked by the operation of the actuator that operates in response to the unlock command signal transmitted wirelessly from the outside of the machine when the door is opened, linked to the unlocking lever. Specifically, it shall be configured in the following manner.

  (1) A snatch lock is installed on the back of the outer door, and a snatch lock catcher is installed on the reinforcing metal provided at the opening end of the outer box, and an actuator linked to the snatch lock release lever is combined with the signal receiver. And disposed inside the outer door (claim 2).

  (2) Install a snatch lock on the back end of the outer door on the reinforcing metal provided at the open end of the outer box, and an unlocking actuator linked to the unlocking lever on the snatch lock. In combination with the signal receiver, it is arranged inside the outer box (claim 3).

  (3) The unlocking actuator is connected to the release lever of the snatch lock as an electromagnetic solenoid (claim 4).

  (4) An anti-theft side cover is provided on the outer surface of the cabinet so as to cover the overlapping surface between the outer box on the side equipped with the snatch lock and the outer door.

  The door lock device of the above configuration is a keyless system in which the snatch lock is unlocked via an actuator that is operated by wireless remote control from the outside of the machine, like the door lock device of a conventional vending machine, Since the handle lock that is unlocked by key operation is eliminated on the front surface of the outer door, the lock device cannot be seen from the outside, so that the anti-theft property is improved. In addition, according to the configuration of claim 3 in which the snatch lock is provided on the outer box side that is far away from the front surface of the outer door, it is difficult to destroy and release the snatch lock by a destructive action from the front surface of the outer door. In addition, anti-theft can be achieved by using the structure of claim 5 with a side cover for anti-theft on the outer side of the cabinet as a protective measure against the destructive act of piling bar on the mating surface of the outer door and outer box. It can be further enhanced.

  Hereinafter, specific embodiments of the present invention will be described based on the embodiments shown in FIGS.

  FIGS. 1A and 1B show an embodiment corresponding to claim 2 of the present invention. In this embodiment, the snatch lock 7 described in FIG. 5 is attached to the back side of the outer door 2 (the place where the conventional door lock shown in FIG. 3 was attached), and a bar-shaped latch 8 facing this. Is attached to the reinforcing plate 1 a provided at the open end of the outer box 1. In this case, the snatch lock 7 and the receiver 8 are installed so as not to interfere with the heat-insulating inner door 3 that is arranged inside the cabinet and opens and closes. Furthermore, an electromagnetic solenoid 12 is disposed inside the outer door 2 as an unlocking actuator, and a wire 9 connects the movable rod with the electromagnetic solenoid 12 and the release lever 7 c of the snatch lock 7. Instead of using the wire 9, the electromagnetic solenoid and the release lever may be linked by a link. The electromagnetic solenoid 12 includes a signal receiver 12a. As shown in FIG. 1 (b), an unlock command signal (wirelessly transmitted from a remote controller (remote controller) 13) from the outside of the machine is provided. For example, when receiving a radio wave signal or ultrasonic signal), the coil of the electromagnetic solenoid is energized and controlled, and the snatch lock 7 is unlocked via the wire 9 and the engagement with the receiver 8 is released by the solenoid suction operation. Like to do. Reference numeral 13a denotes a push button for giving an unlock command.

  With the above configuration, when the outer door 2 is closed, the lock is automatically applied, the snatch lock 7 and the catch 8 are engaged, and the outer door 2 is locked in the closed position. When the outer door 2 is opened, the unlocking signal is transmitted from outside the machine using the remote controller 13 as described above to unlock the snatch lock 7.

  Further, in the illustrated embodiment, as shown in FIG. 1 (a), the reinforcing plate of the outer door 2 is formed by protruding sideways so as to cover the overlapping surface of the outer box 1 and the outer door 2 from the side. A letter-shaped side cover 2c is provided so as to enhance the anti-theft property against a destructive action such as forcing a bar or the like into a gap between the outer box and the outer door and forcibly opening the door.

  FIG. 2 shows an embodiment corresponding to claim 3 of the present invention, which is a further development of the first embodiment.

  In this embodiment, contrary to the first embodiment, the snatch lock 7 is fixed to the inner surface of the reinforcing plate 1a provided at the open end of the outer box 1 with bolts, and the receiving metal 8 facing this is fixed to the outer side. It is designed to be installed inside the door 2. Further, an electromagnetic solenoid 12 as an unlocking actuator linked to the release lever 7c of the snatch lock 7 via a wire 9 is arranged inside the outer box 1, and as in the first embodiment, when the door is opened The unlocking command transmitted from the remote controller 13 is received and the snatch lock 7 is unlocked.

  In this embodiment, the release lever 7c of the snatch lock 7 is located at the opening end of the outer box 1 that is recessed from the front surface of the outer door 2 by a distance L. However, it is possible to secure a high anti-theft property as compared with the configuration of the first embodiment.

  Further, in this embodiment, as a protective measure against the destructive action from the side of the cabinet, as in the first embodiment, the reinforcing plate for the outer box 1 and the outer door 2 is projected to the side and is entangled with each other. Side covers 1b and 2c are provided so as to cover the overlapping surface between the outer box and the outer door from the outside.

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram of the door locking device based on Example 1 of this invention, (a) is the partial cross section top view of the cabinet of the vending machine equipped with the door locking device, (b) is unlocking operation of a door locking device. Overhead view of (a) to explain It is a block diagram of the door lock apparatus which concerns on Example 2 of this invention, (a) is the partial cross section top view of the cabinet of the vending machine equipped with the door lock apparatus, (b) is unlocking operation of a door lock apparatus. Partial overhead view of (a) to explain Front view of a vending machine that is an object of the present invention External perspective view of vending machine with door open It is a block diagram of a snatch lock, (a), (b), (c) is a front view, a side view, and a bottom view, respectively. An overhead view showing an example of using the snatch lock shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outer box of vending machine 2 Outer door of vending machine 3, 4 Insulated inner door 5 Merchandise storage rack 7 Snatch lock 7a Release lever 8 Receptacle 9 Wire 12 Electromagnetic solenoid 12a Receiver 13 Remote controller

Claims (5)

A door lock device of a vending machine that locks a single-opening type outer door placed on the front of an outer box of a cabinet equipped with a product storage rack in the cabinet to a closed position. The lock and its receiving metal are distributed and installed inside the outer door and outer box, and an electrically driven actuator that unlocks the snatch lock by remote control is linked to the release lever of the snatch lock and placed inside the machine, A door lock device for a vending machine, wherein a snatch lock is unlocked by an operation of the actuator that operates in response to an unlock command signal transmitted wirelessly from the outside of the machine when the door is opened. The door lock device according to claim 1, wherein the snatch lock is installed on the back surface of the outer door, and the catch of the snatch lock is installed on the reinforcing metal provided at the opening end of the outer box, and the unlocking lever of the snatch lock is used. A door lock device of a vending machine, wherein a linked unlocking actuator is combined with a receiver and arranged inside an outer door. The door lock device according to claim 1, wherein the snatch lock is installed on the reinforcing metal provided at the opening end of the outer box, and the catch of the snatch lock is installed on the back surface of the outer door, and the unlocking lever of the snatch lock is used. A door lock device of a vending machine, wherein a linked unlocking actuator is combined with a receiver and arranged inside an outer box. 4. The door lock device according to claim 1, wherein the unlocking actuator is an electromagnetic solenoid. The door lock device according to any one of claims 1 to 4, wherein an overlapping surface between the outer box on the side equipped with the snatch lock and the outer door is covered, and an anti-theft side cover is provided on the outer surface of the cabinet. A door lock device of a vending machine characterized by being provided.

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