JP5367643B2 - Anti-theft lock device for vending machines - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an antitheft lock device for a vending machine or the like, which has a front guard reinforced against breakage by forcible opening. <P>SOLUTION: The antitheft lock device includes: a movable base fastened/fixed to a side surface wall of a housing and having a vertical connecting hole through which a shackle is inserted to the coupling arm; the front guard disposed on a front surface of a door, formed with a hollow part allowing the coupling arm to enter/exit on the back surface side of a support arm, and provided with a shackle-receiving hole on the vertical walls of the hollow part and with a head-receiving groove of an engaging member at the back surface; a locking mechanism incorporated/fixed in the support arm, wherein a rotor is turned in the locking direction, so as to allow the tip projection of a claw to be engaged with the locking groove of the shackle and to retain the shackle in a coupling position where the shackle is engaged with both of the shackle-receiving hole of the support arm and the vertical connecting hole of the coupling arm; and an engaging member fixed to the door, for fitting the head projecting on the door front in the head-receiving groove of the front guard. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

The present invention relates to an anti-theft lock device used in a vending machine, a charge settlement machine in a parking lot, and the like.

In general, vending machines installed on the street use a security lock device in addition to a normal main lock device in order to improve crime prevention.
A typical anti-theft lock device is fixed to the front end of a side surface of a casing of a vending machine or the like, and is arranged facing the front surface of a door of a vending machine or the like with a fixed base provided with a support arm at the front end. A front guard connected to the support arm portion with a pivot pin, and a lock provided on the support arm portion to lock the connection arm portion to the support arm portion in a non-rotatable manner. It consists of a mechanism (refer patent document 1).

In this conventional anti-theft lock device, the front guard has a one-point fixed mounting structure in which the connecting arm portion is connected to the support arm by a pivot pin. By inserting the tip of the burl through the gap between the front surfaces and performing the opening operation with the burl, the pivot pin and the bearing at the base end are locally deformed by being deformed or cut, and the front guard There is a risk that the fixed base will be disconnected.

JP 2007-332683 A

An object of the present invention is to provide an anti-theft lock device such as a vending machine that is strengthened against a tearing break caused by a bar or the like from the front side of the door. Another object of the present invention is to provide the anti-theft lock device capable of arbitrarily adjusting the mounting position by sliding the front guard corresponding to the position of the locking member on the door side.

The anti-theft lock device according to claim 1 of the present invention is a vertical connecting hole that is fastened and fixed to a front end portion of a side surface of a casing of a vending machine or the like, and a shackle is inserted into a connecting arm portion formed in the front end portion in the front-rear horizontal direction. A movable base that is movable in the front-rear and horizontal directions when the fastening is released, and
A support arm portion is provided on the front face of the door of a vending machine or the like in the horizontal direction, and a support arm portion facing the connection arm portion of the movable base is provided at one end, and the connection arm is provided on the back side of the support arm portion. A front guard provided with a shackle receiving hole penetrating vertically through the upper and lower wall portions of the cavity portion ,
The built-in fixing of the front guard to the support arm portion, and by rotating the rotor in the locking direction, the tip protrusion of the claw engages with the lock groove of the shackle, so that the shackle is inserted into the shackle receiving hole of the support arm portion. And a locking mechanism that is held in a coupling position engaged with both of the vertical coupling holes of the coupling arm portion,
It consists of a locking member that is fixed to the door of a vending machine, etc., and the head protruding to the front of the door fits into the head receiving groove provided in the back side portion of the front guard ,
By rotating the rotor of the lock mechanism in the unlocking direction, the tip protrusion of the claw is pulled out from the lock groove of the shackle, and the shackle is escaped from the vertical connection hole of the connection arm portion, and the housing The fastening fixing of the movable base to the body is released, and the connecting arm portion of the movable base is pulled out from the hollow portion of the support arm portion.

According to a second aspect of the present invention, in addition to the above-described configuration of the first aspect, the locking member is inserted into the door from a horizontal hole in the front wall of the door, and the head is the front guard. A horizontal bolt fitted to the head receiving groove and a nut screwed to the horizontal bolt inside the door, and the head receiving groove of the front guard is formed long in the horizontal direction. The upper and lower wall portions of the head receiving groove are formed with flange receiving grooves that are fitted with the annular flange of the head of the horizontal bolt in the horizontal direction, and the nut The front guard is fastened and fixed to the front wall of the door by tightening.

Thus, in the anti-theft lock device according to claim 1 of the present invention, by rotating the rotor of the lock mechanism in the locking direction, the tip protrusion of the claw is engaged with the lock groove of the shackle, and the shackle is By holding the shackle receiving hole of the support arm portion and the vertical connection hole of the connection arm portion in an interconnected position, while rotating the rotor of the lock mechanism in the unlocking direction, The tip protrusion of the shackle is pulled out from the lock groove of the shackle. After this operation, the shackle is withdrawn from the vertical connecting hole of the connecting arm portion, and then the movable base is fastened and fixed to the housing. Release and slide the movable base backward to pull the connecting arm part out of the cavity part of the support arm part.

In the anti-theft locking device, the front guard is interconnected to the connecting portion of the movable base by the shackle at the support arm portion at one end portion, while the other end of the front guard is at the end portion. Adopting a two-point fixing structure that is fixed to the door by the locking member concealed behind the front guard, the front guard is strengthened against breakage of the bar and the like. The anti-theft performance of vending machines can be improved.

Further, after releasing the connection of the front guard to the movable base by the unlocking operation of the lock mechanism, the movable base is moved backward and slid to a position where the shackle does not face the vertical connection hole of the connection arm portion. Although the door can be opened, since the front guard is fixed to the door by the locking member, there is no risk of the front guard falling or being lost while the door is open.

In the anti-theft lock device according to claim 2 of the present invention, the locking member is inserted into the door from the horizontal hole of the front wall of the door 3 and the head is fitted into the head receiving groove of the front guard. horizontal bolt, Yes constituted by a nut screwed to the horizontal bolt inside the door, Yes to form longer the head receiving groove of the front guard in the left-right horizontal direction, of the head receiving groove Corresponding to the position of the locking member on the door side, the upper and lower wall portions are formed with a flange receiving groove that fits the annular flange of the head of the horizontal bolt in the horizontal direction. Then, by sliding the front guard in the horizontal direction, the fastening fixing position of the front guard can be arbitrarily adjusted. The tightening and fixing position of the front guard is adjusted within the range of the length of the head receiving groove and the locking groove, and the locking member is always hidden behind the front guard.

FIG. 1 is a front perspective view of the anti-theft lock device such as a vending machine according to an embodiment of the present invention when the front guard and the movable base are disconnected. FIG. 2 is a perspective view of the anti-theft lock device of FIG. FIG. 3 is a perspective view of the anti-theft lock device of FIG. 4 is a right side view of the anti-theft lock device of FIG. FIG. 5 is a front view of the anti-theft lock device of FIG. 1 and shows a support arm portion of the front guard in a vertical section. 6 is a cross-sectional view taken along line AA in FIG. FIG. 7 is a left side view of the anti-theft lock device of FIG. 1, and illustration of the movable base is omitted. FIG. 8 is a front view of a front guard used in the anti-theft lock device of FIG. FIG. 9 is a bottom view of the front guard of FIG. FIG. 10 is a rear view of the front guard of FIG. FIG. 11 is a left side view of the front guard of FIG. 12 is a cross-sectional view taken along line BB in FIG. 13 is a cross-sectional view taken along the line CC of FIG. 14 is a cross-sectional view taken along the line DD of FIG. 15 is a cross-sectional view taken along the line EE of FIG. 16 is a cross-sectional view taken along line FF in FIG. 17 is a cross-sectional view taken along line GG in FIG. 18 is a rear view of the main back plate of the front guard used in the anti-theft lock device of FIG. FIG. 19 is a plan view of the main back plate of FIG. 20 is a front view of the sub-back plate of the front guard used in the anti-theft lock device of FIG. 21 is a plan view of the sub-back plate of FIG. FIG. 22 is a left side view of the shackle used in the anti-theft lock device of FIG. FIG. 23 is a rear view of the shackle of FIG. 24 is a cross-sectional view taken along line HH in FIG. FIG. 25 is a front view of a claw used in the anti-theft lock device of FIG. 26 is a plan view of the claw of FIG. FIG. 27 is a right side view of the claw of FIG. 28 is a cross-sectional view taken along the line II of FIG. 29 is a cross-sectional view taken along the line JJ of FIG.

The anti-theft lock device will be described with reference to the illustrated embodiment. The anti-theft lock device is fastened and fixed to the front end of the side surface of the casing 1 of a vending machine or the like, and is movable in the front-rear and horizontal directions when the fastening is released. ,
A front guard 4 which is arranged in a horizontal direction facing the front of the door 3 of a vending machine or the like;
A locking member 5 fixed to the door 3 from the inside of the door 3 of a vending machine or the like and concealed behind the front guard 4;
A shackle 6 for connecting the movable base 2 and the front guard 4 to each other;
The shackle 6 is built in and fixed to the front guard 4 and interlocked with the rotor 8, and is configured by a lock mechanism 7 that holds the shackle 6 at the connection established position between the movable base 2 and the front guard 4.

 Two mounting holes 10 that are long in the front-rear horizontal direction are provided at the rear end of the movable base 2. Two bolts 14 inserted into the through holes 13 of the side wall 12 of the housing 1 through the mounting holes 10 are screwed into the inner surface of the bolt seat 11 that is in contact with the rear end portion outside the movable base 2. ing. An appropriate thickness and number of spacers 15 are inserted between the movable base 2 and the side wall 12 according to the degree of adjustment of the tightening and fixing position of the front guard 4 and are fitted to the bolts 14 inside the housing 1. A plate washer 17 is inserted between the nut 16 and the side wall 12. The movable base 2 is fixed to the housing 1 by tightening the nut 16. When the tightening and fixing by the nut 16 is released, the movable base 2 can move in the front-rear horizontal direction by the guide of the mounting hole 10 and the bolt 14.

 A connecting arm portion 18 is formed in the front and rear horizontal direction at the front end portion of the movable base 2 so as to protrude from the side wall 12 toward the door 3, and a horizontal wall portion 19 is formed on the inner surface of the intermediate portion of the connecting arm portion 18. The connecting arm portion 18 is formed in a protruding shape, and the vertical cross-sectional shape of the connecting arm portion 18 is in a T shape. A vertical connection hole 20 through which the shackle 6 is inserted is provided at the center of the horizontal wall portion 19. The vertical connecting hole 20 has a rectangular shape with rounded corners, and the length of one side thereof is formed larger than the diameter of the shackle 6.

A support arm portion 21 that protrudes to the right from the front surface of the door 3 is formed at one end portion of the front guard 4, in the illustrated embodiment, on the right end portion. The support arm portion 21 faces the end surface of the connecting arm portion 18 of the movable base 2. In the support arm portion 21, a T-shaped cavity portion 22 that is laid down in the vertical cross-sectional shape is formed from the back surface side, and the cavity portion 22 is not opened on the front surface of the support arm portion 21. The connecting arm portion 18 is inserted into the cavity portion 22 from the back side. At the center of the upper wall 23 and the lower wall 24 of the cavity 22, there is an upper side shackle receiving hole 25 and a lower side shackle at a portion corresponding to the vertical connection hole 20 of the horizontal wall 19 of the connection arm 18. The receiving hole 26 is vertically provided. On the upper side of the upper surface wall portion 23, a spring storage chamber 27 is provided in which a shackle biasing spring member 28 that moves and biases the shackle 6 downward is accommodated. A washer 42 is inserted between the lower end of the spring member 28 made of a compression coil spring and the head of the shackle 6.

 A pin storage chamber 29 in which the retaining pin 30 is accommodated is provided below the lower surface wall portion 24 of the cavity portion 22. The base end portion of the stepped retaining pin 30 is inserted into a horizontal pin receiving groove 32 provided on the vertical inner wall 31 of the pin storage chamber 29. The back side opening of the pin storage chamber 29 is closed by the sub back plate 33, and the sub back plate 33 is supported by the support arm portion by screws 36 screwed into the screw holes 35 of the support arm portion 11 from the screw insertion holes 34 on the front end side. 11 is fastened and fixed. Since the horizontal pin receiving groove 32 is closed by the base end plate portion 37 of the sub-back plate 33 by the fitting and fixing of the sub-back plate 33, the retaining pin 30 is stably fixed and held.

 An annular lock groove 38 is formed on the outer peripheral surface of the head of the round rod-shaped shackle 6, and a guide groove 39 communicating with the lock groove 38 is formed on the left side surface of the shackle 6 so as to extend in the axial direction. The lower end of the guide groove 39 is exhausted before the lower end portion of the left side surface of the shackle 6. When the tip projection 40 of the claw 9 of the lock mechanism 7 is engaged with the lock groove 38, the shackle 6 is held at the upper limit position, and the shackle 6 maintains the connection between the movable base 2 and the front guard 4. The claw 9 is urged to move rightward by a claw urging spring member 41 formed of a compression coil spring. The claw 9 is accommodated in the claw storage groove 43 of the horizontal support arm portion 21. The main back plate 43 is inserted from the back side of the support arm portion 21 and screws 48 and 49 are screwed into the screw holes 46 and 47 of the support arm portion 21 through the screw insertion holes 44 and 45, thereby supporting the main back plate 43. By tightening and fixing to 21, the claw 9 is stably held so as to be movable in the horizontal direction.

 A driven groove 50 that engages with the driving projection 52 of the joint cam 51 is formed in the transverse direction on the bottom surface of the base end portion of the claw 9. The tip end portion of the rotor 8 of the lock mechanism 7 is fitted in the connection hole 53 of the joint cam 51 so as to be integrally rotatable. When the regular key 56 is inserted into the key hole 55 of the lock mechanism 7 and the rotor 8 is turned in the unlocking direction, the claw 9 is moved to the left against the urging of the claw urging spring member 41. By the leftward movement of the claw 9, the tip protrusion 40 of the claw 9 comes out of the lock groove 38 of the shackle 6, so that the shackle 6 is pushed by the weight and the shackle urging spring member 28 to push the support arm portion 21. The upper shackle receiving hole 25 and the vertical connecting hole 6 of the connecting arm portion 18 fall off. Thereby, the mutual connection by the shackle 6 between the connecting arm portion 18 of the moving base 2 and the support arm portion 21 of the front guard 4 is released.

When the shackle 6 is lowered in this way, the tip end portion of the retaining pin 30 apparently moves in the guide groove 39 of the shackle 6, and when the shackle 6 is lowered to the connection release position, the lock groove 39 is engaged. The shackle 6 is held at the lower limit position. A positioning projection 54 is provided on the side surface of the base end portion of the claw 9 so as to regulate the position of the inclined cam surface 57 on the lower surface side of the tip projection 40 of the claw 9 so as to protrude on the movement locus of the shackle 6.
The main back plate 43 is provided with a claw abutting plate portion 58, and the claw 9 is guided and held so as not to escape from the claw storage groove 43.

The locking member 5 includes a horizontal bolt 61 that is inserted into the door 3 from the horizontal hole 60 in the front wall 59 of the door 3, and a nut 62 that is screwed into the horizontal bolt 61 inside the door 3. A flat spring washer 63 and a collar washer 64 are inserted between the nut 62 and the front wall 59. A rectangular rubber sheet 68 is inserted between the back surface of the front guard 4 and the front wall 59. In the rubber sheet 68, bolt escape grooves 80 are formed in the horizontal direction in order to cope with the adjustment of the tightening and fixing position of the front guard 4.
On the back side of the front guard 4 has a head receiving groove 65 the head 69 of the horizontal bolts 61 are fitted is formed to extend in the left-right horizontal direction, the top wall portion 70 of the head receiving groove 65 and the lower wall In the portion 71, flange receiving grooves 66, 66 into which the annular flange 67 of the head 69 is fitted are formed long in the horizontal direction. By tightening the nut 62, the front guard 4 is fastened and fixed to the front wall 59 of the door 3. The left end openings of the head receiving groove 65 and the collar receiving grooves 66, 66 are closed by a cap member 78, and the cap member 78 is fastened and fixed to the front guard 4 by a hexagon socket set screw 79.
The tightening and fixing position of the front guard 4 can be arbitrarily adjusted within the range of the length of the head receiving groove 65 and the locking groove 66. The horizontal bolt 61 and the nut 62 constituting the locking member 5 are always hidden behind the front guard 4.

A lock mechanism storage chamber 72 is formed on the back side of the support arm portion 21 of the front guard 4. As the lock mechanism 7, a known cylinder lock is used. The lock unit 7 is fixed to the support arm portion 21 by engaging the tip end portion of the fixing screw 75 screwed into the screw hole 76 of the support arm portion 21 with the grooved ring 74 screwed to the fixing main body 73. . The joint cam storage chamber 77 is formed on an extension of the lock mechanism storage chamber 72.

 By rotating the rotor 8 of the lock mechanism 7 in the unlocking direction, the tip protrusion 40 of the claw 9 is pulled out from the lock groove 38 of the shackle 6, and the shackle 6 is lowered to connect the connecting arm portion 18 and the front guard 4 of the movable base 2. After the mutual connection of the support arm portions 21 is released, the movable base 2 is slid backwardly by releasing the tightening and fixing of the movable base 2 with respect to the housing 1, and the connection arm portion 18 is made to be a hollow portion of the support arm portion 21. Pull out from 22. As a result, the door 3 can be opened around the left hinge (not shown).

DESCRIPTION OF SYMBOLS 1 Housing | casing 2 Movable base 3 Door 4 Front guard 5 Locking member 6 Shackle 7 Lock mechanism 8 Rotor 9 Claw 10 Movable base mounting hole 11 Bolt seat 12 Side wall 13 of housing Side wall through hole 14 Bolt 15 Spacer 16 Nut 17 Plate washer 18 Connecting arm part 19 of movable base Horizontal wall part 20 of connecting arm part Vertical connecting hole 21 of connecting arm part Support arm part 22 of front guard 23 Cavity part 23 of supporting arm part Cavity upper surface wall part 24 Cavity Lower side wall portion 25 Upper side shackle receiving hole 26 Lower side shackle receiving hole 27 Spring storage chamber 28 of support arm portion Shackle urging spring member 29 Pin storage chamber 30 Retaining pin 31 Vertical inner wall 32 of pin storage chamber Horizontal pin receiving groove 33 in the vertical inner wall Sub-back plate 34 for the back side opening of the pin storage chamber Screw insertion hole 35 in the sub-back plate Screw 36 for the sub-back plate Base plate portion 38 for the sub-back plate Shackle lock groove 39 Shackle guide groove 40 Claw tip protrusion 41 Claw biasing spring member 42 Washer 43 Claw storage groove of the support arm 44 Screw insertion hole 45 of main back plate Screw insertion hole 46 of main back plate Screw hole 47 of support arm portion Screw hole 48 of support arm portion Screw 49 Screw 50 Claw driven groove 51 Joint cam 52 Joint cam drive projection 53 Joint Cam connecting hole 54 Positioning protrusion 55 Lock mechanism key hole 56 Regular key 57 Claw inclined cam surface 58 Claw contact plate portion 59 of main back plate Front wall 60 of door 60 Horizontal hole 61 of door Horizontal component as a component of the locking member Bolt 62 Nut 63 constituting locking member Flat spring washer 64 Collar washer 65 Head receiving groove 66 Butt receiving groove 67 Horizontal bolt Ring head 68 of the bolt head Rubber sheet 69 Horizontal bolt head 70 Head receiving groove upper surface wall portion 71 Head receiving groove lower surface wall portion 72 Lock mechanism storage chamber 73 Lock mechanism fixing body 74 Grooved ring 75 Screws for fixing the locking mechanism 76 Screw holes 77 in the support arm portion Joint cam storage chamber 78 Cap member 79 Hexagon socket set screw 80 Rubber sheet bolt relief groove

Claims (2)

When a vertical connection hole is inserted into the connecting arm that is fastened to the front end of the side of a housing such as a vending machine, and is formed in the front and rear horizontal direction, and the fastening is released A movable base movable in the front-rear and horizontal directions;
A support arm portion is provided on the front face of the door of a vending machine or the like in the horizontal direction, and a support arm portion facing the connection arm portion of the movable base is provided at one end, and the connection arm is provided on the back side of the support arm portion. A front guard provided with a shackle receiving hole penetrating vertically through the upper and lower wall portions of the cavity portion,
The built-in fixing of the front guard to the support arm portion, and by rotating the rotor in the locking direction, the tip protrusion of the claw engages with the lock groove of the shackle, so that the shackle is inserted into the shackle receiving hole of the support arm portion. And a locking mechanism that is held in a coupling position engaged with both of the vertical coupling holes of the coupling arm portion,
It consists of a locking member that is fixed to the door of a vending machine, etc., and the head protruding to the front of the door fits into the head receiving groove provided in the back side portion of the front guard ,
By rotating the rotor of the lock mechanism in the unlocking direction, the tip protrusion of the claw is pulled out from the lock groove of the shackle, and the shackle is escaped from the vertical connection hole of the connection arm portion, and the housing An anti-theft lock device such as a vending machine that releases the fastening and fixing of the movable base to the body and pulls the connecting arm portion of the movable base out of the hollow portion of the support arm portion. The anti-theft lock device according to claim 1, wherein the locking member is inserted into the inside of the door through a horizontal hole in the front wall of the door, and a head is fitted to the head receiving groove of the front guard , constituted by a nut screwed to the horizontal bolt inside the door, the Yes and the head receiving groove of the front guard long formed in the left-right horizontal direction, the upper surface wall and the lower wall of the head receiving groove in part, the annular flange portion of the horizontal bolt head Yes and formed long collar portion receiving groove to be fitted in the left-right horizontal direction, tightening fixing the front guard on the front wall of the door by tightening the nut Anti-theft lock devices such as vending machines.