JP6008375B1 - Vending machine door lock device - Google Patents

Abstract

To provide a door locking device in which a cylinder lock can be easily replaced. When a cylinder lock 12 is rotated by a key K for unlocking, a lock operating member 18 is lowered via a cam member 17, and a lock pin 18c of the lock operating member 18 is disengaged from a concave groove of the lock arm 13. Extracted. After the lock arm 13 is pulled out, when the driver is brought into contact with the cross groove of the front shaft portion 19d of the gear member 19 and the front shaft portion 19d is pushed in, the gear member 19 moves inward in the axial direction, and the gear 19a is moved to the gear 19a. It meshes with the gear 16 b of the attached ring member 16. When the gear member 19 is rotated by fitting the driver into the cross groove, the rotation is transmitted from the gear 19a to the gear 16b to rotate the geared ring member 16. Since the inner thread of the geared ring member 16 is screwed into the outer thread of the cylinder lock 12, the cylinder lock 12 is pushed outward from the insertion hole without rotating. [Selection] Figure 8

Description

  The present invention relates to a vending machine door locking device used for preventing the opening of a vending machine door.

  Products and money of vending machines installed outdoors are likely to be stolen at night, etc., as shown in FIG. 11, for example, a theft that makes the door unopenable by an L-shaped lock arm as in Patent Document 1, for example. Various door locking devices for prevention have been proposed.

  In this door lock device, an L-shaped lock arm 4 is attached to a main body case 3 fixed to the open side surface of the door 2 of the vending machine main body 1, and the lever of the lock arm 4 is used to lock the door 2. Located in front, the door 2 is prevented from being opened twice. The main body case 3 is provided with a cylinder lock 5, and the lock arm 4 cannot be moved unless the cylinder lock 5 is operated and unlocked.

JP 2003-278422 A

  Use of the lock arm 4 is effective in preventing theft. However, in order to attach the main body case 3 to the vending machine main body 1, the back side of the main body case 3 is bolted from the vending machine main body 1, and the cylinder lock 5 used in the main body case 3 is the same as that of the main body case 3. It has a structure that cannot be removed from the outside.

  When replacing the cylinder lock 5, the door 2 must be opened and the main body case 3 must be removed from the vending machine main body 1 once. Therefore, for example, when it becomes necessary to replace the cylinder locks 5 of a large number of vending machines at the same time, it takes a lot of labor for the replacement work.

  The object of the present invention is to solve the above-mentioned problems, and to replace the cylinder lock provided in the case body outside the vending machine for locking and unlocking the door opening prevention member including the lock arm, An object of the present invention is to provide a vending machine door locking device that can be easily implemented without opening the vending machine door.

  In order to achieve the above object, a door locking device for a vending machine according to the present invention is provided with a door opening prevention member attached to a case body fixed to the outside of the vending machine body, and the door is rotated by a key of a cylinder lock. In the door locking device of the vending machine that locks the opening preventing member with respect to the case body and prevents the door from being opened, the door locking device is rotatably arranged in the case body, and has an inner screw and has the cylinder lock. A ring member with a gear that is screwed with an external screw and rotates to push the cylinder lock to the outside of the case main body or to be pulled inside, and a rotation of the cylinder lock by a key to lock the door opening prevention member and A lock operating member that is unlocked, and a rotating member that is rotated from the outside of the case body via the gear of the geared ring member in the unlocked state Characterized by comprising a.

  According to the vending machine door lock device according to the present invention, when replacing the cylinder lock for the door opening prevention member attached to the main body case, the vending machine door is not opened, and the vending machine door is opened from the outside. The cylinder lock can be exchanged by operation.

FIG. 3 is an exploded perspective view of the periphery of the main body case of the first embodiment. It is a front view of a main body case. It is a bottom view of a lock arm. It is sectional drawing of the main body case along the AA line of FIG. It is sectional drawing of the main body case along the BB line of FIG. It is a disassembled perspective view of the member arrange | positioned in a main body case. It is a rear view of the case main body in the locked state of the lock arm. It is a rear view of the case main body in the unlocked state of the lock arm. It is a reverse view of the case main body of the lock state of the lock arm of Example 2. It is a rear view of the case main body in the unlocked state of the lock arm. It is explanatory drawing of the state which attached the lock arm to the vending machine.

  The present invention will be described in detail based on the embodiment shown in FIGS.

  1 is an exploded perspective view of the periphery of the main body case of the first embodiment, and FIG. 2 is a front view of the main body case. A cylinder lock 12 can be mounted in a hole 11a in front of a metal main body case 11 fixed to, for example, a side portion outside the vending machine main body. The hole portion 11a is a circular shallow hole, and an insertion hole 11b having chamfered circular sides is formed in the inner portion thereof. A shaft portion 13a of an L-shaped metal lock arm 13 is rotatably inserted into a hole portion 11c provided at an upper portion of the hole portion 11a as a door opening prevention member. A vertical groove 11d into which a lock bolt attached to the lock arm 13 is inserted is formed at the lower portion of the hole 11c, and a shaft hole 11e for supporting a gear member to be described later is provided behind the long groove 11d. .

  The opened back surface of the case main body 11 is covered with a back plate 14 made of synthetic resin, and the case main body 11 is fixed by penetrating bolts to the side of the vending machine using a metal reinforcing plate 15.

  FIG. 3 is a bottom view of the lock arm 13. On the shaft portion 13 a of the lock arm 13, a plurality of concave grooves 13 b having internal threads at equal intervals are provided. A lock bolt 13d can be screwed into any of the concave grooves 13b. A bolt 13e is screwed into the hole provided in the terminal portion of the shaft portion 13a as a stopper for withdrawal. Further, an arm portion 13f is provided at the tip of the shaft portion 13a so as to be orthogonal to the shaft portion 13a.

  4 is a cross-sectional view taken along the line AA of the main body case 11 of FIG. 1, and FIG. 5 is a cross-sectional view taken along the line BB. Inside the main body case 11, a first gap portion 11g and a second gap portion 11h are sequentially provided behind the hole portion 11a via a partition wall 11f. The partition wall 11f includes a hole portion 11i communicating with the hole portion 11a, a notch portion 11j above the hole portion 11i for inserting a gear member to be described later, and a shaft insertion portion 11k positioned further above the notch portion 11j. Is provided.

  The notch portion 11j is for inserting the rear shaft portion of the gear member into the shaft insertion portion 11k. After the gear member is mounted during assembly, the notch portion 11j protrudes from the back plate 14 into the case body 11. Sealed by the sealing portion.

  Further, the above-mentioned hole 11c for the lock arm 13 is formed in the upper part of the first gap part 11g and the second gap part 11h so as to penetrate in the front-rear direction, and the upper part of the second gap part 11h. Is formed with a lock hole 11l for fitting a lock pin of a lock operation member, which will be described later, into the groove 13b of the lock arm 13.

  FIG. 6 is an exploded perspective view of members disposed inside the main body case 11. On the rear side of the cylinder lock 12, a geared ring member 16 disposed in the first gap portion 11g, a cam member 17 attached to the tip of the cylinder lock 12 and disposed in the second gap portion 11h, and the second similarly. A lock operating member 18 is provided in the gap portion 11h, and a gear member 19 is arranged in the first gap portion 11g in parallel with the ring member 16 with gear. The cylinder lock 12 shows a state in which the key K is inserted.

  An external screw 12a is formed around the body of the cylinder lock 12, and both sides of the body are chamfered. A nut 12b is screwed onto the outer screw 12a, and an operation key portion 12c made of a prism is projected from the tip of the cylinder lock 12.

  The external screw 12a of the cylinder lock 12 is screwed into the internal screw 16a of the cylindrical geared ring member 16 housed in the first gap portion 11g and is rotatable. A gear 16b is formed on the outer periphery of the center portion of the ring member 16 with gear. The front of the gear 16b is a front cylindrical portion 16c having a smaller diameter than the gear 16b, and the rear is a rear cylindrical portion 16d having a diameter similar to the gear 16b. Has been.

  A cam member 17 is disposed in the second gap portion 11h, and an operation key portion 12c of the cylinder lock 12 can be inserted into a square hole-like key groove 17a provided in the center of the cam member 17. A cam 17 b is formed on the upper portion of the cam member 17.

  The cam member 17 is inserted into the cavity portion 18a of the frame-plate-like lock operation member 18 housed in the second gap portion 11h, and is locked to the cam 17b at the inner upper portion of the cavity portion 18a. A locking portion 18b is formed. Further, a cylindrical lock pin 18c protrudes upward from the upper part of the lock operating member 18, and a support bar 18d protrudes downward from the lower part. A coil spring 18e is provided on the support bar 18d. It is wound. Further, a shaft hole 18f into which a shaft portion of a gear member to be described later is inserted is provided between the cavity portion 18a and the lock pin 18c.

  The lock operating member 18 can be moved up and down in the second gap portion 11h by the rotation of the cam member 17, and the lock pin 18c passes through the lock hole 11l into the concave groove 13b of the lock arm 13. It can be inserted. The lock operating member 18 is always urged upward by a coil spring 18e wound around the support rod 18d.

  In addition, a gear member 19 serving as a rotating member is disposed adjacent to the geared ring member 16 above the first gap portion 11g. The gear member 19 has a gear 19a that meshes with the gear 16b of the geared ring member 16, and a rear shaft portion 19b that fits into a shaft hole 18f provided in the lock operation member 18 at the time of unlocking operation is provided behind the gear 19a. Has been extended. A coil spring 19c for energizing the gear member 19 forward with respect to the case body 11 is wound around the rear shaft portion 19b. A cylindrical front shaft portion 19d that functions as a rotation shaft is provided on the front side of the gear member 19 in a hole 11e provided in the case main body 11, and a front end of the front shaft portion 19d is used for driver operation. A cross groove 19e is formed.

  FIG. 7 is a rear view of the case main body 11 in which the lock arm 13 is locked so that it cannot rotate and cannot be pulled out. In the case main body 11, the cylinder lock 12 is pulled into the case main body 11 by the inner screw 16 a by rotating the geared ring member 16, and the cam member 17 is moved by the operation key portion 12 c of the cylinder lock 12. The lock operation member 18 is rotated and the lock pin 18 c is inserted into the concave groove 13 b of the lock arm 13.

  In this state, the lock bolt 13d screwed into one of the concave grooves 13b of the lock arm 13 is accommodated in the long groove 11d of the case body 11, and the lock arm 13 cannot be rotated, so that the concave groove 13b to be locked. Is directed toward the lower lock pin 18c. For the concave groove 13b into which the lock bolt 13d is screwed, one of the plural concave grooves 13b is selected in consideration of the attachment position of the case body 11 to the vending machine. Then, in a state where the lock bolt 13d is inserted into the long groove 11d, it is dimensionally determined so that the lock pin 18c of the lock operation member 18 can be fitted into any one of the remaining concave grooves 13b.

  In locking, when the cylinder lock 12 is rotated using the key K, the operation key portion 12c of the cylinder lock 12 rotates the cam member 17, and the cam 17b of the cam member 17 raises the lock operation member 18, The lock pin 18c is fitted into the concave groove 13b, and the cam 17b is locked to the locking portion 18b. Thereby, further rotation of the key K becomes impossible, and the raising of the lock operation member 18 stops.

  In this locked state, rotation and withdrawal of the lock arm 13 are restricted, and the lock arm 13 is fixed. The gear member 19 is urged by the coil spring 19c and is positioned forward in the case body 11. The gear 19a of the gear member 19 is in a position corresponding to the front cylindrical portion 16c of the geared ring member 16, and the gear 16b. Not meshed with.

  FIG. 8 is a rear view of the case body 11 in a state where the lock arm 13 is unlocked and the lock arm 13 is pulled out. When the cylinder lock 12 is rotated by the key K for unlocking, the lock operation member 18 is lowered via the cam member 17, and the lock pin 18 c of the lock operation member 18 is extracted from the concave groove 13 b of the lock arm 13. When the lock arm 13 is pulled out from the hole 11c, the lock bolt 13d is pulled out from the long groove 11d.

  When the lock bolt 13d comes out, the end portion of the front shaft portion 19d of the gear member 19 provided with the cross groove 19e appears on the outer surface. When the driver is brought into contact with the front shaft portion 19d and pushed along the shaft hole 11e against the urging force of the coil spring 19c, the rear shaft portion 19b of the gear member 19 is inserted into the shaft hole 18f of the lock operation member 18. The lock operation member 18 is fixed in the lowered state.

  As a result, the gear member 19 moves inward in the axial direction, the gear 19a of the gear member 19 meshes with the gear 19a of the geared ring member 16, and the gear 19a is the edge of the rear cylindrical portion 16d of the geared ring member 16. Therefore, it is impossible to push further.

  Here, when the tip of the driver is fitted in the cross groove 19e and the gear member 19 is rotated, the rotation is transmitted from the gear 19a to the gear 16b, and the geared ring member 16 is rotated. The inner thread 16a of the geared ring member 16 is screwed into the outer thread 12a of the cylinder lock 12. The cylinder lock 12 is inserted into the chamfered insertion hole 11b. Therefore, even if the geared ring member 16 is rotated, the cylinder lock 12 is pushed outward from the insertion hole 11 b without rotating, and the cylinder lock 12 can be taken out of the case body 11.

  If the driver is removed in this state, the gear member 19 moves to the front of the case body 11 by the biasing force of the coil spring 19c, and the gears 19a and 16b are disengaged from each other.

  In order to attach a new cylinder lock 12 to the main body case 11, in the unlocked state in which the lock arm 13 is pulled out, the cylinder lock 12 is inserted from the front surface of the main body case 11 into the insertion hole 11b of the hole portion 11a. The ring member 16 is inserted. Then, the gear member 19 is pushed in by the driver and the gear member 19 is rotated, and the geared ring member 16 is rotated via the gear 19a and the gear 16b.

  Thereby, the inner screw 16a of the geared ring member 16 is screwed into the outer screw 12a of the cylinder lock 12, and the cylinder lock 12 is pulled into the geared ring member 16, so that the operation key portion 12c of the cylinder lock 12 is a cam member. 17 key grooves 17a. As a result, a new cylinder lock 12 is attached to the case body 11.

  When the driver is moved away from the front end of the front shaft portion 19d of the gear member 19 after the cylinder lock 12 is mounted, the gear member 19 is urged by the coil spring 19c and moves forward, and the engagement between the gear 19a and the gear 16b is released. The rear shaft portion 19 b comes out of the shaft hole 18 f of the lock operation member 18.

  In order to lock the lock arm 13 again, the lock arm 13 is pushed into the hole 11 c and the lock bolt 13 d is pushed into the long groove 11 d of the main body case 11. Thereby, the axial part 13a of the lock arm 13 is located in the front surface of the door of a vending machine main body. Here, when the operation key portion 12c of the cylinder lock 12 is rotated using the key K, the cam member 17 is interlocked to raise the lock operation member 18, and the lock pin 18c is one of the concave grooves 13b of the lock arm 13. The lock arm 13 is locked, and the door cannot be opened, which is a theft prevention measure. Then, when the key K is pulled out from the cylinder lock 12, the replacement operation is completed.

  FIG. 9 is a rear view of the case body in a locked state of the lock arm in the second embodiment, and the same reference numerals as those in the first embodiment indicate the same members.

  In the first embodiment, the gear 19a is engaged with or disengaged from the gear 16b of the geared ring member 16 by moving the gear member 19 back and forth. However, in the second embodiment, the width of the gear 16b is changed to the cylindrical portion 16c, By expanding to the range of 16d, the gear 19a is always meshed with the gear 16b. A tooth profile 11m that meshes with the gear 19a in a state where the gear member 19 is moved forward is formed in a part of the case body 11.

  Therefore, even if the lock arm 13 is pulled out in the unlocked state shown in FIG. 10, as long as the gear member 19 is pushed forward by the coil spring 19c, the gear member 19 cannot be rotated due to the presence of the tooth profile 11m.

  When the gear member 19 is pushed by the driver, the gear 19a slides backward while maintaining the meshing with the gear 16b of the geared ring member 16, and is out of the regulation of the tooth profile 11m. Can be rotated. Subsequent operations are the same as those in the first embodiment.

  In the first and second embodiments, the door opening prevention member is the L-shaped lock arm 13, but the door opening prevention member of the present invention is not limited to this. For example, a locking part may be attached to the door of the vending machine, and the locking part may be locked by a locking member attached to the case body 11 and locked by a cylinder lock.

11 Case body 11a, 11c Hole portion 11d Long groove 11l Lock hole 11m Tooth shape 12 Cylinder lock 12a Outer screw 12c Operation key portion 13 Lock arm 13a Shaft portion 13b Recessed groove 13d Lock bolt 13f Arm portion 16 Ring member 16a Inner screw 16b Gear 17 Cam member 17a Keyway 17b Cam 18 Lock operation member 18c Lock pin 19 Gear member 19a Gear K Key

Claims (6)

A door opening prevention member is attached to the case body fixed outside the vending machine body, and the door opening prevention member is locked with respect to the case body by the rotation of the key of the cylinder lock, thereby preventing the door from opening. In the lock device for the door of the vending machine,
A ring member with a gear, which is rotatably arranged in the case body, has an internal thread, is screwed with an external thread of the cylinder lock, and pushes the cylinder lock out of the case main body by rotation or pulls the cylinder lock inside.
A lock operating member that is moved by turning with the key of the cylinder lock and that makes the door opening prevention member locked and unlocked;
A locking device for a door of a vending machine, comprising: a rotating member that rotates from outside the case main body via a gear of the ring member with gear in the unlocked state.   The vending machine according to claim 1, wherein the rotating member is a gear member adjacent to the geared ring member, and the gear of the gear member is engaged with the gear of the geared ring member. Door lock device.   The door opening prevention member is an L-shaped lock arm inserted into the hole of the case body, and the lock pin of the lock operation member in the case body is recessed by the rotation of the key of the cylinder lock. The lock arm is inserted into a groove so that the lock arm cannot be rotated and cannot be pulled out, and the lock pin is pulled out from the concave groove so that the lock arm can be rotated and pulled out. 2. A door lock device for a vending machine according to 2.   By pulling out the lock arm in the unlocked state, the shaft portion of the gear member that appears when the lock bolt attached to the lock arm is pulled out from the case body is rotated by a driver. The door locking device for a vending machine according to claim 3.   5. The door of the vending machine according to claim 4, wherein the gear member is pushed in the axial direction so that the gear of the gear member is rotatably engaged with the gear of the geared ring member. Locking device.   The vending machine door lock device according to any one of claims 1 to 3, wherein the lock operating member is moved through a cam member by rotation of the key of the cylinder lock. .

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