KR200410764Y1 - Door lock device of vending machine - Google Patents

Abstract

The present invention relates to a door lock device of a vending machine, and an object thereof is to provide an unlocking jaw to the locking groove of the open / close board to prevent the open / close board from being unlocked even if an illegal user inserts a release mechanism into the gap between the open / close board and the exit of the vending machine. And a door lock device of a vending machine configured to form a lifting means to raise and lower a predetermined height during rotation of the link rotor and a lock release protrusion corresponding to the unlocking jaw. In providing. This opens and closes the outlet O through which the article for the vending machine is drawn out, one end of the opening and closing plate 10 having a locking groove 11 formed on one side thereof, and one end of the opening and closing plate 11 of the opening and closing plate 10. A link pivot 20 which is coupled to be possible and rotatably installed around the central axis 21 and a plunger 31 coupled to the other end of the link pivot 20 is formed, In the door lock device of the vending machine including a solenoid 30, the power is supplied and the plunger 31 is moved forward and backward, the release mechanism is inserted into the gap (t) between the opening and closing plate 10 and the outlet (O). When the link is formed so as to prevent the opening of the opening and closing plate 10 in the locking groove 11 of the opening and closing plate 11 of the locking groove 11 and to correspond to the unlocking prevention jaw (11a) Protruding and forming an anti-locking projection 22 at the end of the rotor 20, the opening and closing plate 10 is brush When the link pivot 20 is opened by the operation of the noid 30, the link pivot 20 is rotatable to one side while the unlock prevention projection 22 of the link pivot 20 is unlocked at the unlock prevention jaw 11a. It includes a lifting means 40 for increasing to a certain height from the central axis (21).

Switchboard, unlocking jaw, link turner, unlocking protrusion, solenoid, lifting means

Description

Door lock device of vending machine {Door lock device of vending machine}

1 is a perspective view of a door lock device of a vending machine according to the prior art.

Figure 2 is a cross-sectional view showing an operating state of the door lock device of the vending machine according to the prior art.

Figure 3 is a cross-sectional view showing a state viewed from above by cutting the door horizontally in the door lock device of the vending machine according to the prior art.

Figure 4 is a perspective view of the door lock device of the vending machine according to the present invention.

Figure 5 is an exploded perspective view of the main part of the door lock device of the vending machine according to the present invention.

Figure 6 is a front sectional view of the door lock device of the vending machine according to the present invention.

7 is a plan sectional view of the door lock device of the vending machine according to the present invention, a view showing a state in which the door lock is locked.

8 is a plan sectional view of the door lock device of the vending machine according to the present invention, a view showing a state in which the door lock is unlocked.

Figure 9 is a side cross-sectional view of the door lock device of the vending machine according to the present invention, showing the operation state of the link turner.

<Description of the symbols for the main parts of the drawings>

10: opening and closing plate 11: hanging groove

11a: unlocking jaw 20: link turner

21: center axis 22: unlocking protrusion

30: solenoid 31: plunger

40: lifting means 41: fixed part

42: rotating portion 43: elastic member

O: exit

The present invention relates to a door lock device of a vending machine, and more particularly, to a door lock device of a vending machine that prevents the opening and closing plate is unlocked even if an illegal user inserts the release mechanism in the gap between the opening and closing plate and the exit of the vending machine.

In general, the vending machine is installed inside and outside the room to provide a variety of items such as simple toiletries, bedding or beverages or food, these items depending on whether the door is opened or closed on the front of the storage compartment compartment formed in the front of the vending machine It is configured to store or remove them.

Such, the door of the vending machine can open the goods storage and take out the goods as the user inputs the price of the goods, and if the user does not insert the goods, the door is always kept closed to remove the goods from the goods storage. It is configured so that it can not be taken out, there is a door lock of the vending machine for the room shown in Figs.

The door lock 100 shown in FIGS. 1 to 3 is turned on and off depending on whether or not the article for the vending machine is charged, and is provided on the restoring spring 4 and the guide rod 5 formed at the inner center, which are in close contact with the outer surface. A solenoid 1 inserted and provided with a plunger 2 which elastically linearly moves; A hinge groove rotatably connected to the plunger 2, the central shaft 8 is inserted into the central shaft insertion hole 7 formed in the center thereof, and rotates, and a locking groove formed in the opening and closing plate 13 of the vending machine 16. The engaging end 11 which opens and closes by 14 is comprised by the link pivot 3 formed in the other end.

The restoring spring 4 is interposed on the outer circumference of the plunger 2, one end of which is held on the outside of the solenoid 1, and the other end of which is held on the fixing ring 6 formed on the plunger 2. As shown in FIG. 2, when the current price is not applied to the solenoid 1 because the price of the article is not introduced into the inlet (not shown) of the vending machine, the spring force is applied to the plunger 2 of the solenoid 1. The link rotor 3 coupled to the long hole 10 and the locking protrusion 9 by the external unit is rotated to a solid line position about the central axis 8 so that the locking end 11 is opened and closed ( 13 is tensioned to be inserted into the locking groove 14.

In this case, the door 13 is always locked.

On the other hand, the restoring spring (4) is a current is applied to the solenoid (1) when the price of the article is put into the vending machine by the user as shown in Figure 2 to the plunger 2 of the solenoid (1) A pulling force is generated therein, in which the plunger 2 is compressed to elastically retract into the solenoid 1.

In this case, the link turner 3 is rotated to the position of the dashed line around the central axis 8 so that the locking end 11 comes out of the locking groove 14 of the opening and closing plate 13 to open the opening and closing plate 13. I can open it.

As shown in FIG. 3, the opening and closing plate 13 is pinned together with the torsion spring 15 inside the article outlet 12 to close the article outlet 12. Except that the article outlet 12 is always closed by the torsion spring 15.

However, the door lock device constructed as in the prior art, as shown in Figure 3, a slight gap is formed between the opening and closing plate 13 and the exit of the vending machine 16, the plastic plate in the direction of the arrow (A) When a credit card or the like is inserted to push the locking end 11 of the link pivot 3, the link pivot 3 is centered on the central axis 8, as shown in FIG. It can be rotated to the dashed line position and open the opening / closing plate 13 to take out the article arbitrarily.

In addition, when the locking end 11 is pushed several times using a stationery blade or the like, in addition to inserting the plastic sheet or the like, the link pivot 3 is shown in FIG. As shown, the article can be arbitrarily taken out by pivoting to the double-dotted position to open the opening and closing plate 13.

Therefore, in the prior art, an illegal user inserts a disengagement mechanism (such as a plastic sheet) into the gap between the opening and closing plate 13 and the exit of the vending machine to unlock the opening and closing plate 13 without injecting goods into the vending machine. There was a problem that can steal the goods inside the vending machine.

The present invention has been devised to solve the above problems, the purpose of which is to prevent the unlocking of the opening and closing plate of the opening and closing plate even if the illegal user inserts the release mechanism in the gap between the opening and closing of the switchboard and the vending machine. A vending machine forming an unlocking prevention jaw, and installing an unlocking prevention protrusion corresponding to the unlocking prevention jaw on the link rotor and forming a lifting means to ascend to a certain height upon rotation on the central axis of the link rotor. To provide a door lock device of.

The present invention for achieving this purpose is to open and close the outlet for the product for vending machine withdrawal, the opening and closing plate formed with a locking groove in one side, the one end is detachably coupled to the locking groove of the opening and closing, the central axis In the door lock device of the vending machine comprising a link pivot rotatably installed at the center, and a plunger coupled to the other end of the link pivot, and a solenoid to which the plunger is moved back and forth by supplying power depending on whether or not a charge is applied. When the release mechanism is inserted into a gap between the opening and closing plate and the exit, the link rotation to form a release prevention jaw in the locking groove of the opening and closing plate to prevent the opening and closing of the opening and closing plate and to correspond to the release prevention jaw. Protruding an anti-locking projection at the end of the ruler, the opening and closing plate is opened by the operation of the solenoid Case is to include elevating means for rising a predetermined height cut the links pivoting at the central axis is the rotation link's unlocking prevention protrusion to rotate to one side as unlocked from the lock releasing bump.

In addition, the elevating means has a fixed portion having a cam diagram consisting of a peak and a valley on the protruding end, the center shaft is fixed, and a rotating portion corresponding to the cam diagram of the fixing portion and integrally formed with the link pivot; It is made of an elastic member which is interposed between the rotating part and the central axis to provide a return force.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

4 to 9 is a view showing a door lock device of the vending machine according to the present invention.

As illustrated, the door lock device 100 of the vending machine of the present invention includes an opening and closing plate 10, a link turner 20, and a solenoid 30.

The opening and closing plate 10 opens and closes the outlet O through which the product for the vending machine is drawn out, and a locking groove 11 is formed inside one side.

In addition, the locking release prevention jaw (11a) is formed inside the locking groove (11).

In addition, the hinge shaft 12 is coupled to the other side of the opening and closing plate 10, and the torsion spring 13 is coupled to the hinge shaft 12 so that it is elastically open when opened.

The link pivot 20 is detachably coupled to one end of the link groove 20 of the opening and closing plate 10, and is rotatably installed around the central shaft 21.

In addition, an unlocking prevention protrusion 22 is formed at one end of the link pivot 20 so as to correspond to the unlocking prevention jaw 11a in the locking groove 11.

That is, the outlet O and the opening / closing plate through which the illegal article is drawn out of the vending machine by the unlocking prevention protrusion 22 of the link pivot 20 and the unlocking prevention jaw 11a of the locking groove 11. Even if the disengagement mechanism (not shown) is inserted into the gap t between the 10, the link pivot 20 is not rotated as in the prior art, so that the opening and closing plate 10 is not opened.

In addition, when the opening and closing plate 10 is opened by the operation of the solenoid 30 on the central axis 21 of the link pivot 20, the unlocking prevention projection 22 of the link pivot 20 is Lifting means 40 is formed so as to be rotatable to one side while being unlocked from the unlocking prevention jaw (11a).

The elevating means 40 is fixed to the central shaft 21, the fixed portion 41 is formed with a cam diagram made of hills and valleys on the protruding end and the cam diagram of the fixing portion 41, The rotating part 42 is formed integrally with the link pivot 20, and the elastic member 43 is interposed between the rotating part 42 and the central axis 21 to provide a return force.

The cam diagram of the fixing part 41 is not particularly limited, and when the link rotor 20 in which the rotating part 42 is integrally formed with respect to the fixing part 41 is rotated, the locking stop 11a at the top dead center. In the unlocking prevention projection 22 is separated, at the bottom dead center, the unlocking prevention projection 22 is coupled to the unlocking prevention jaw (11a).

In addition, when the link rotor 20 is moved up and down by the lifting means 40, the guide portion 32 is formed so that the link rotor 20 moves up and down at the end of the plunger 31.

The solenoid 30 is formed with a plunger 31 coupled to the other end of the link swinger 20, and power is supplied depending on whether the plunger 31 is charged so that the plunger 31 moves forward and backward.

In addition, the spring 33 is coupled to the outside of the plunger 31 to provide an elastic force when the front and the reverse.

Referring to the operation according to the present invention is as follows.

Vending machine equipped with a door lock according to the present invention is a plurality of outlets (O) is formed to provide a variety of items such as simple toiletries, bedding or drinks or food.

Opening and closing plate 10 is coupled to the outlet (O), and usually the outlet (O) is closed, the opening and closing plate 10 is opened by payment.

First, it will be described that the opening and closing plate 10 is normally opened by payment.

When the payment is made to the vending machine, a magnetic field is generated in the solenoid 30 so that the plunger 31 is reversed and the link rotor 20 coupled to the plunger 31 moves in one direction about the central axis 21. Is rotated.

At this time, the lifting means 40 formed on the central shaft 21 of the link pivot 20 is operated, and the rotating part 42 corresponding to the fixing part 41 formed with the cam diagram made of the hill and the valley is integrally formed. The link pivot 20 rises to a certain height by rotation, and the link pivot 20 rises along the guide portion 32 of the plunger 31.

When the rotating part 42 reaches the top dead center of the fixing part 41, the anti-locking projection 22 of the link rotor 20 coupled to the unlocking prevention jaw (11a) of the locking groove 11 is As it is separated, the opening and closing plate 10 is opened and the user withdraws the article embedded in the outlet O of the vending machine to the outside.

In addition, after the user withdraws the article, the plunger 31, which has been retracted by the spring 33 installed on the outside of the plunger 31, advances to the solenoid 30, and at the same time, the rotary part 42 of the link pivot 20. ) Is rotated at the fixing portion 41 around the central axis 21 to move from the top dead center to the bottom dead center, and in this process, the unlocking prevention projections 22 of the link pivot 20 are opened and closed on the plate 10. It is coupled to the unlocking prevention jaw (11a) formed in the locking groove 11 of the) becomes a state that the opening and closing plate 10 can be coupled.

On the other hand, when an illegal user attempts to open the opening and closing plate 10 by inserting a release mechanism into a gap t formed between the opening and closing plate 10 and the outlet O, the locking groove 11 of the opening and closing plate 10 is placed on the locking groove 11. The anti-theft prevention protrusion 22 of the link rotor 20 is coupled to the release prevention jaw 11a formed in the anti-theft prevention by not opening or closing the plate 10 by the rotation of the link rotor 20 as in the related art. Would be possible.

The present invention, as described in detail above, forms an unlocking prevention jaw in the locking groove of the opening and closing plate, and installs an unlocking prevention protrusion corresponding to the unlocking prevention jaw on the link pivot, and rotates on the central axis of the link pivot. By forming the elevating means to ascend to a certain height, even if the illegal user inserts the release mechanism in the gap between the opening and closing plate and the exit of the vending machine, the opening and closing plate is not unlocked, thereby preventing theft.

Claims (2)

Opening and closing the outlet (O) through which the product for the vending machine is drawn out, one side end is detachable to the opening and closing plate 10 and the locking groove 11 of the opening and closing plate 10 formed on the inside of one side. Coupled to each other, the link pivot 20, which is rotatably installed around the central shaft 21, and the plunger 31 coupled to the other end of the link pivot 20, is formed, In the door lock device of the vending machine comprising a solenoid 30, the power is supplied and the plunger 31 is advanced back and forth, When the release mechanism is inserted into the gap t between the opening and closing plate 10 and the outlet O, the locking groove 11 of the opening and closing plate 10 is locked to prevent the opening of the opening and closing plate 10. Forming the release prevention jaw (11a) and to form an anti-locking projection 22 to the end of the link pivot 20 so as to correspond to the release prevention jaw (11a), When the opening and closing plate 10 is opened by the operation of the solenoid 30, the anti-locking projection 22 of the link rotor 20 is unlocked from the unlocking stop (11a) while being rotatable to one side The door lock device of the vending machine, characterized in that it comprises a lifting means (40) for raising the link pivot 20 to a certain height on the central axis (21). According to claim 1, The elevating means 40 is the fixed portion 41 and the cam shaft of the fixing portion 41, the center shaft 21 is fixed, the cam line made of hills and valleys at the protruding end is formed; Corresponding to the diagram, consisting of a rotary part 42 formed integrally with the link pivot 20 and an elastic member 43 interposed between the rotary part 42 and the central axis 21 to provide a return force. Door lock device of the vending machine, characterized in that.

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