JP3512769B2 - Auxiliary lock device for vending machines, etc. - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auxiliary lock device that protects a door of a device that handles money or products such as a vending machine or a parking charge adjustment machine from an illegal opening of a thief.

[0002]

2. Description of the Related Art The method of a thief in a vending machine is escalated from illegal unlocking by a picking tool, and the tools such as an electric drill and a crowbar tend to break the protection means of the door lock handle device. . Eventually, even if the protective measures are violently destroyed, if the time required from the start of the sabotage to the completion of the destruction of all the protective measures is long, the risk discovered during that time will be amplified, The thief tends to give up halfway and leave the scene after some time. Therefore, in order to increase the time required for illegal unlocking and violent destruction, in addition to the original door lock handle device, various auxiliary lock devices are attached to improve the total protection performance. There is. However, even if it is said to prevent thieves, adding an auxiliary lock device complicates the operation and handling when the person in charge of supplying goods or collecting the sales opens the door.
You have to avoid it as much as possible.

[0003]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an auxiliary lock device for a vending machine or the like, which can be easily handled in daily operations and occupy a small space.

[0004]

[MEANS FOR SOLVING THE PROBLEMS] Hereinafter, the description will be made with reference to the reference numerals in the accompanying drawings. A holder fitting 3 fixed to the wall 2; a catch fitting 5 fixed to the other left and right side wall 4 of the fixed body 1.
A base bar 7 is supported by the holder fitting 3, a tip leg 8 is restrained by the catch fitting 5, and a stop bar 6 is hung on the front side of the door 9. The receiving hole 10 through which the base end side leg portion 7 of the stop bar 6 is inserted is formed in the front-rear direction so that the base end side leg portion 7 is far from the side wall 2 and the side wall 2. The receiving hole 10 is formed to be wide in the left-right direction so as to selectively occupy one of the positions, and when the base end side leg portion 7 is located far from the side wall 2, the rear surface 3b of the holder fitting 3 is A retaining projection 11 to be engaged is provided on the side surface of the proximal end leg portion 7 so that the proximal end leg portion 7 can pass through the receiving hole 10 when the proximal end leg portion 7 comes to a position closer to the side wall 2. The protrusion length of the protrusion 11 is set, and the catch metal fitting 5 is provided with a receiving groove 12 into which the front leg portion 8 of the stopper bar 6 is inserted. The catch groove 12 is formed, the catch groove 12 is opened on the side surface opposite to the side wall 4, the lock bar 13 projecting into the catch groove 12 is housed in the catch metal fitting 5, and embedded and fixed to the lower surface side of the catch metal fitting 5. Lock unit 1
The rotor 15 of No. 4 is equipped with the lock rod 13 in an interlocking manner,
The lock rod 13 is moved up and down in the vertical direction by the rotation of 5, and is engaged with and disengaged from the lock hole 16 of the tip side leg portion 8 of the stop bar 6.

According to a second aspect of the present invention, in addition to the structure of the first aspect of the invention, the base end side leg portion 7 of the stop bar 6 is set to be longer than the front end side leg portion 8, and the front end side leg portion 8 is A second retaining projection 36 is provided at the tip of the proximal side leg portion 7 that comes into contact with the back surface 3b of the holder metal fitting 3 when it is removed from the catch metal fitting 5.

[0006]

According to the first aspect of the present invention, the door 9 of the vending machine or the like is closed and locked to the fixed body 1 by the original main door lock handle device (not shown). 6, the base end side leg portion 7 of the holder 6 is in the receiving hole 10 of the holder fitting 3, and the tip end side leg portion 8 is in the receiving groove 1 of the catch fitting 5.
2. Insert each from the front side. After inserting the retaining projection 11 of the proximal leg 7 until it protrudes from the receiving hole 10, the entire stop bar 6 is moved to the left and right as the proximal leg 7 moves away from the side wall 2 of the fixed body 1. When moved in parallel with each other, the distal leg portion 8 moves in the receiving groove 12 to the side wall 4 of the fixed main body 1.
To the lock hole 16 of the front leg 8
Comes to a position facing the upper end of the lock bar 13. At this stage, the retaining projection 11 faces the back surface 3b of the holder fitting 3, and the base end side leg portion 7 of the blocking bar 6 is constrained by the holder fitting 3 so as not to be extracted.

When the key 17 is inserted into the key hole of the lock unit 14 and the rotor 15 is rotated in a predetermined direction, the lock rod 13 moves upward due to the action of the interlocking mechanism, and the upper end portion of the lock rod 13 is located at the tip side leg portion 8. Is inserted into the lock hole 16. By pulling out the key 17 and rotationally restraining the rotor 15 with respect to the lock unit main body at that position, the tip side leg portion 8 of the stop bar 6 is restrained by the catch metal fitting 5 so as not to be able to be pulled out. In this way, the restraining bar 6 in which both the leg portions 7 and 8 are restrained by the holder metal fitting 3 and the catch metal fitting 5 is hung on the front side of the door 9 so as to hold the door 9, and the main door by the thief. The door 9 is prevented from being opened even if the lock handle device for lock is illegally unlocked or violently destroyed.

To open the door 9, the door 9 is unlocked by the main door lock handle device. When the key 17 is inserted into the lock unit 14 and the rotor 15 is rotated in the opposite direction to the above, the lock rod 13 is moved downward by the action of the interlocking mechanism 18, and the upper end portion of the lock rod 13 locks the tip side leg portion 8. Escape from the hole 16. As a result, the tip side leg portion 8 of the restraining bar 6 is released from the restraint with respect to the catch fitting 5. When the whole of the restraining bar 6 is moved in the horizontal direction in the direction of arrow A in FIG. 1 so that the proximal leg 7 approaches the side wall 2 of the fixed body 1, the distal leg 8 receives the receiving groove. The inside of 12 is moved in the direction away from the side wall 4 of the fixed body 1, and the lock hole 16 of the distal leg 8 comes to a position displaced from the upper end of the lock rod 13.

At this stage, since the retaining projection 11 is located on the rear side of the receiving hole 10 of the holder fitting 3, the stop bar 6 is parallel to the front surface of the door 9 in the direction of arrow B in FIG. When it is moved in parallel, the tip side leg portion 8 is pulled out from the receiving groove 12 of the catch fitting 5, and the base end side leg portion 7 is pulled out from the receiving hole 10 of the holder fitting 3. By removing the stop bar 6 in this way, the door 9 can be freely opened and closed for supplying goods and collecting sales.

According to the second aspect of the present invention, when the front end side leg portion 8 of the stopper bar 6 is pulled out from the receiving groove 12 of the catch metal fitting 5, the second retaining projection 36 is provided on the rear surface 3 of the holder metal fitting 3.
The base end side leg portion 7 is not pulled out from the receiving hole 10 of the holder metal fitting 3 because it abuts on b. As shown by the arrow C in FIG. 2, by rotating the stopper bar 6 downward about the receiving hole 10 of the holder fitting 3, the stopper bar 6 is vertically held. The door 9 is opened and closed while the stopper bar 6 is connected to the holder fitting 3. After closing the door 9, the stop bar 6 is rotated upward around the receiving hole 10 and the front leg 8 is inserted into the receiving groove 12 of the catch fitting 5. The subsequent locking operation is the same as in the first aspect of the invention.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION In the illustrated embodiment, the holder metal fitting 3, the catch metal fitting 5, and the restraining bar 6 are made of a rigid metal material including the accessory parts thereof, and are strong against cutting and impact damage. Has become high. The retaining projection 11 is composed of a pin inserted and fixed in the radial hole 19 of the proximal leg 7. A stopper pin 20 is inserted into and fixed to a radial hole 21 of the proximal leg 7 on the front side of the retaining projection 11. The stopper pin 20 comes into contact with the front surface 3a of the holder fitting 3 when the base end side leg portion 7 is inserted into the receiving hole 10 from the front side, and stops the stop bar 6 at that stage. The holder metal fitting 3 is provided with an end surface screw hole 2 from the inner space side of the fixed main body 1 such as a vending machine.
By the bolt 23 screwed into 2, the right side wall 2
It is fastened and fixed to.

The catch fitting 5 is fastened and fixed to the left side wall 4 by a bolt 25 screwed into the end surface screw hole 24 from the inner space side of the fixed body 1. The lock hole 16 of the tip side leg portion 8 of the restraining bar 6 is formed to be slightly longer in the front-rear direction in order to allow an adjustment margin. Lock unit 1
The cross section of the main body intermediate portion 14a of No. 4 is formed in a so-called oval shape, and the lock unit 14 is fitted into the catch metal fitting 5 so as not to rotate relative to each other. A fixing ring 26 is screwed onto the outer peripheral thread portion of the body rear end portion 14b of the lock unit 14. The U-shaped assembly fitting 28 inserted from the two side openings 27 of the catch fitting 5 is fastened and fixed to the inner wall 30 of the catch fitting 5 with a screw 29.

The inner projections 31 of the two legs of the U-shaped assembly fitting 28 are engaged with the outer circumferential surface groove 32 of the fixing ring 26, thereby preventing the lock unit 14 from being pulled out from the catch fitting 5. ing. The side opening 27 is closed by the side wall 4 of the fixed body 1. A cylindrical body 33 is fitted into the rear end angular shaft portion 15a of the rotor 15 of the lock unit 14 so as not to rotate relative to it, and a drive cam hole 34 is formed in a spiral shape in a side wall portion of the cylindrical body 33. A passive pin 35 is inserted and fixed in the diametrical direction at the lower end of the lock rod 13 inserted into the cylindrical body 33 from the upper end opening, and the end of the passive pin 35 is inserted into the drive cam hole 34.

That is, the rotor 15 of the lock unit 14
The interlocking mechanism 18 between the lock bar 13 and the lock rod 13 is composed of the cylindrical body 33 and the passive pin 35, and locks the rotor 15 with the key 17
The lock rod 13 moves up and down while rotating by rotating in the forward and reverse directions. The interlocking mechanism between the rotor 15 and the lock rod 13 is not limited to the one described above, and a known mechanism can be appropriately selected and used. The stop bar 6 is formed by bending right and left end portions of a round bar member at right angles to form a wide U-shape as a whole.
It is pressed flat to make a hole. The distal leg 8 is shorter than the proximal leg 7, and the radial hole 37 at the distal end of the proximal leg 7 has a pin that constitutes the second retaining protrusion 36. Inserted and fixed.

[0015]

As described above, in the auxiliary lock device according to the first aspect of the invention, when the door 9 is opened, the lock unit 1 is opened.
After rotating the rotor 15 of No. 4 with the key 17 to allow the lock rod 13 to escape from the lock hole 16 of the distal leg 8, the proximal leg 7
When the stop bar 6 is moved in parallel in the left-right lateral direction toward the side wall 2 of the fixed main body 1 and then the stop bar 6 is moved in parallel to the front surface of the door 9, the tip side leg portion 8 is The door 9 is pulled out from the receiving groove 12 of the catch 5
After closing, close the base leg 7 to the receiving hole 1 of the holder fitting 3.
0 and insert the tip side leg part 8 into the receiving groove 12 of the catch metal fitting 5.
The stopper bar 6 in parallel with the front surface of the door 9 toward the fixed main body 1 side, and then the stopper bar 6 is moved in the left and right lateral directions so that the retaining projection 11 is attached to the holder metal fitting 3.
Of the lock rod 1 by turning the rotor 15 to face the rear surface 3b of the lock rod 1.
3 is inserted into the lock hole 16 of the tip side leg portion 8, the attaching / detaching operation of the stop bar 6 is relatively easy,
The whole operation and handling when opening and closing the door 9 is not complicated.

Further, in the auxiliary lock device according to the first aspect of the invention, since the movement range of the stop bar 6 is limited as described above, the occupying space required for the attachment / detachment operation is small, and the vending machine or the like can be used. Even when another vending machine or the like is installed adjacent to the fixed main body 1 or when the wall of the building is close, the auxiliary lock device can be applied without space limitation.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, since the base end side leg portion 7 is set longer than the tip end side leg portion 8, the tip end side leg portion 8 is caught. After pulling out from the metal fitting 5, the whole of the base side leg portion 7 is attached to the holder metal fitting 3
Without pulling it out, the stop bar 6 can be rotated downward around the receiving hole 10 of the holder fitting 3 and suspended in a vertical state. Therefore, the stop bar 6 can be prevented from being lost, and the work for restraining the door 9 next can be performed more quickly.

[Brief description of drawings]

FIG. 1 is a plan view of an auxiliary lock device according to an embodiment of the present invention, in which a door is in a locked state.

2 is a front view of the auxiliary locking device of FIG. 1. FIG.

3 is a left side view of the auxiliary lock device of FIG. 1. FIG.

4 is a right side view of the auxiliary lock device of FIG. 1. FIG.

5 is a cross-sectional view taken along the line AA of FIG.

6 is a cross-sectional view taken along the line BB of FIG.

FIG. 7 is an enlarged cross-sectional view taken along line CC of FIG.

FIG. 8 is an enlarged cross-sectional view taken along line DD of FIG.

9 is an enlarged cross-sectional view taken along line EE of FIG.

[Explanation of symbols]

1 fixed body 2 side wall 3 Holder bracket 4 side wall 5 catch metal fittings 6 stop bar 7 Base side leg 8 Tip side leg 9 doors 10 receiving hole 11 retaining protrusion 12 receiving groove 13 Rock stick 14 lock unit 15 rotor 16 Lock hole 17 keys 18 interlocking mechanism

Claims (2)

(57) [Claims] 1. A holder fitting 3 fixed to one of the left and right side walls 2 of a fixed body 1 of a vending machine or the like;
Catch fittings 5 fixed to the other side wall 4 on the left and right of the
And the base side leg 7 is supported by the holder metal fitting 3, the tip side leg portion 8 is restrained by the catch metal fitting 5, and the wide U-shaped stop bar 6 is hung on the front side of the door 9. The holder fitting 3 is formed with a receiving hole 10 through which the base end side leg portion 7 of the stop bar 6 is inserted in the front-rear direction, and the base end side leg portion 7 is located at a position closer to the side wall 2. The receiving hole 10 is formed wide in the left-right direction so that the position farther from the side wall 2 can be selectively occupied, and when the proximal end leg 7 is at the position farther from the side wall 2, the holder metal fitting 3 is provided on the side surface of the base end side leg portion 7 so as to be engaged with the back surface 3b of the base end portion 3, and when the base end side leg portion 7 comes to a position closer to the side wall 2, it passes through the receiving hole 10. The protrusion length of the retaining projection 11 is set so that the catch metal fitting 5 has a receiving groove into which the front leg 8 of the stopper bar 6 is inserted. Forming 2 in the longitudinal direction, and said receiving groove 12 side wall 4 is opened at the opposite side houses the lock bar 13 to be projectable into the catch fitting 5 in receiving groove 12,
The lock bar 13 is interlockedly provided on the rotor 15 of the lock unit 14 embedded and fixed to the lower surface side of the catch metal 5, and the rotation of the rotor 15 causes the lock bar 13 to move back and forth in the up-down direction, so that the leg portion 8 on the front end side of the stop bar 6 is moved. Auxiliary lock device such as a vending machine which is adapted to be engaged with and disengaged from the lock hole 16 of. 2. A base end side leg portion 7 of the stop bar 6 is set to be longer than a tip end side leg portion 8, and when the tip end side leg portion 8 is pulled out from the catch metal fitting 5, the back end 3b of the holder metal fitting 3 is contacted. The auxiliary locking device for a vending machine or the like according to claim 1 , wherein a second retaining projection 36 that comes into contact with the second leg 7 is provided at the tip of the proximal leg 7.