JP3654021B2 - Vending machine main door lock mechanism - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a main door locking mechanism of a vending machine that locks and unlocks a main door that opens and closes the front surface of a vending machine body, and more particularly to a main door locking mechanism of a vending machine that improves operability.
[0002]
[Prior art]
FIG. 6 shows a main part of a main door lock mechanism of a conventional vending machine. The vending machine includes a vending machine body having an opening on the front surface, a main door for opening and closing the opening on the front surface of the vending machine body, a lock member 17 having a U-shaped cross section provided on the main door so as to be movable up and down, A handle that is incorporated in a lock provided on the door, lifts the lock member 17 upward from the lock position (lower limit position) Pr, and provided on the vending machine main body, and is locked when the main door closes the front of the vending machine main body. And a lock plate 18 that engages with the lock member 17 at the lower limit position Pd of the member 17. The lock plate 18 includes a locking groove 18a that engages with the lock member 17 and an inclined surface 18b formed on the front side of the locking groove 18a, and is attached to the vending machine main body through bolts 18c. The lock member 17 is formed with an opening 17b on the lock plate 18 side, thereby forming an engaging portion 17c that engages with the locking groove 18a of the lock plate 18 above the opening 17b.
[0003]
In such a configuration, when the main door is opened, the lock is unlocked, the handle is rotated, for example, in the left direction, and the lock member 17 is lifted upward from the lock position Pr. The engaging portion 17c of the lock member 17 is separated from the locking groove 18a of the lock plate 18, and the main door can be opened. When the handle is returned to the original position after opening the main door, the lock member 17 falls to the lock position Pr. Normally, the product replenishment operation is performed on the vending machine main body with the main door opened. When closing the main door, the lower end of the engaging portion 17c of the lock member 17 at the lock position Pr is brought into contact with the inclined surface 18b of the lock plate 18 by pushing the main door into the vending machine main body side. As shown by the two-dot chain line in FIG. 6 along the inclined surface 18b, the engaging portion 17c of the lock member 17 engages with the locking groove 18a of the lock plate 17, and then the lock is locked to the main door. Is locked. Thereby, even if the lock is broken, the main door is locked to the vending machine main body by the main door locking mechanism, so that it becomes difficult to open the main door, and theft can be prevented.
[0004]
[Problems to be solved by the invention]
However, according to the main door lock mechanism of the conventional vending machine, when the main door is closed, a large operating force is caused by the frictional resistance between the lower end of the engaging portion 17c of the lock member 17 and the inclined surface 18b of the lock plate 18. Therefore, there is a problem that the operability is bad.
[0005]
Accordingly, an object of the present invention is to provide a main door locking mechanism of a vending machine with improved operability.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a vending machine main door locking mechanism for locking and unlocking a main door that opens and closes the front surface of a vending machine main body, and includes a predetermined unlock position and the predetermined unlock position. A locking member provided on the main door so as to be movable up and down between a lower locking position, and the locking position of the locking member provided on the vending machine body when the main door closes the front surface; An engagement member that engages with the lock member, a handle that is provided on the main door , lifts the lock member from the lock position to the unlock position, and is rotatably provided on the main door. It said Ann said locking member lifted to the unlocked position by the operation, by rotating to a predetermined first rotational position by its own weight on the basis of the opening operation of the main door of the Held in click position, the lock position from the unlock position to the lock member by its own weight by pivoting from said first rotational position based on the closing operation of the main door to the second rotational position A vending machine main door locking mechanism is provided, comprising: a stopper that causes the locking member to drop to engage with the engaging member. According to the above configuration, by dropping the lock member by its own weight, there is almost no frictional resistance, the lock member is engaged with the engagement member, and the main door is locked.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
1 (a) and 1 (b) show a vending machine to which a main door locking mechanism according to an embodiment of the present invention is applied. The vending machine 1 has a substantially box-shaped vending machine body 2 having an opening on the front surface, and a main door 3 that opens and closes the opening on the front surface of the vending machine body 2.
[0008]
The main door 3 forms an exhibition space between the rear signboard 30 and the front transparent panel 31, and a plurality of samples 4 are displayed in the exhibition space. A plurality of selection buttons 5 for selecting a product are provided on the surface of the transparent panel 31. The main door 3 has a bill insertion slot 6 for inserting bills, a coin insertion slot 7 for inserting coins, a return lever 8 for returning inserted bills and inserted coins, and a change return port 9 for returning change. , A display 10 for displaying the change of money, the amount of input, etc., a product sales port 11 for taking out the product, and a main door lock mechanism 12 for locking / unlocking the main door 3 with respect to the vending machine body 2 doing. The main door lock mechanism 12 includes a lock member 17 that is lifted upward by a turning operation of the handle 13, and a pair of lock plates 18 and 18 that are attached to the top and bottom of the vending machine main body 2 and engage with the lock member 17. Have
[0009]
2A and 2B show the main door lock mechanism 12. The main door lock mechanism 12 includes the handle 13 and the keyhole 14 a described above, and a lock 14 incorporated in the handle 13, a handle holder 15 that rotatably holds the handle 13, and a rotation operation by rotating the handle 13. It has a lever member 16 that moves, and a lock member 17 having a U-shaped cross section that moves up and down as the lever member 16 rotates. The main door 3 includes a surface plate 32 that constitutes a surface, and a guide plate 33 that guides the lock member 17 so as to be movable up and down. The guide plate 33 has a large opening 33a so as not to prevent the lever member 16 from rotating. The lock member 17 has a connection hole 17a into which the lever member 16 is inserted and connected. A protrusion 16a is formed at the tip of the lever member 16 so that the lever member 16 does not come off from the connecting hole 17a.
[0010]
3A and 3B show a state in which the main door 3 is closed and the lock member 17 is in the lock position Pr. The lock members 17 are respectively engaged with the upper and lower lock plates 18, and the engagement structures thereof are the same. Therefore, the upper engagement structure will be described below. . A lock plate 18 is attached to the vending machine body 2, and a stopper 20 is rotatably attached to the guide plate 33 by a pin 19. The lock plate 18 includes a locking groove 18a that fits the lock member 17, and an inclined surface 18b that is formed on the front side of the locking groove 18a, and is attached to the vending machine main body 2 by a bolt (not shown) through the mounting hole 18c. It is attached. The lock member 17 is formed with an opening 17b on the lock plate 18 side to form an engaging portion 17c that engages with the locking groove 18a of the lock plate 18 at the upper portion of the opening 17b. By forming a long hole 17d that engages with the pin 19 attached to 33, it is supported by the guide plate 33 so as to be movable up and down. The lock member 17 is formed with an opening 17e for escaping the stopper 20, and a holding member 21 for holding the lock member 17 is fixed to the upper portion.
[0011]
Next, the operation of the lock mechanism 12 will be described with reference to FIGS.
[0012]
4A and 4B show a state when the main door 3 is opened. When the main door 3 is opened, a key (not shown) is inserted into the key hole 14a of the lock 14 and the key is turned. When the lock 14 is unlocked by the rotation of the key, the handle 13 protrudes forward by a spring (not shown) built in the handle holder 15. When the handle 13 is turned leftward, the lever member 16 is also turned leftward to lift the lock member 17 upward. When the lock member 17 rises and separates from the stopper 20, the stopper 20 rotates in the direction of the arrow in FIG. 5B due to its own weight, and when the handle 13 is released, the lock member 17 falls and the lock member 17 is released. The holding member 21 fixed to is stopped at the unlocked position Pu where the upper end of the stopper 20 abuts, and the main door 3 is unlocked.
[0013]
5A and 5B show a state when the main door 3 is about to be closed. When closing the main door 3, the main door 3 is pushed into the vending machine body 2 side. The lower end of the stopper 20 contacts the inclined surface 18b of the lock plate 18, and the stopper 20 rotates in the direction of the arrow in FIG. When the main door 3 is further pushed in, the holding member 21 fixed to the lock member 17 is disengaged from the upper end portion of the stopper 20 and the lock member 17 falls from the unlock position Pu shown in FIG. 4 to the lock position Pr. As shown to (a), (b), the engaging part 17c of the lock member 17 engages with the engaging groove 18a of the lock plate 18, and the main door 3 is locked. Thereafter, when the handle 13 is pushed in, the handle 13 is held by the handle holder 15, and the lock 14 is locked by inserting the key into the key hole 14a and turning the key.
[0014]
According to the above-described embodiment, the stopper 20 is rotated by its own weight, the lock member 17 is dropped by its own weight, and the lock member 17 is engaged with the lock plate 18. Therefore, there is almost no frictional resistance, and it is small. The main door 3 can be locked by operating force, and the operability can be improved. In the state shown in FIG. 4 in which the main door 3 is opened, the main door 3 is pushed into the vending machine main body 2 side even if the stopper 20 rotates accidentally due to an impact or the like and the lock member 17 falls to the lock position Pr. As a result, the lower end of the engaging portion 17 c of the lock member 17 rises along the inclined surface 18 b of the lock plate 18, and the engaging portion 17 c can be engaged with the locking groove 18 a of the lock plate 18.
[0015]
【The invention's effect】
As described above, according to the main door lock mechanism of the vending machine of the present invention, the lock member is engaged with the engagement member by dropping the lock member by its own weight, so there is almost no frictional resistance and a small operating force. Since the main door can be locked, the operability can be improved.
[Brief description of the drawings]
FIG. 1 (a) is a front view of a vending machine according to an embodiment of the present invention, and FIG. 1 (b) is a side view thereof.
2A is a cross-sectional view of a main door locking mechanism according to the present embodiment, and FIG. 2B is a front view thereof.
FIG. 3A is a cross-sectional view showing a state in which the main door of the vending machine according to the present embodiment is closed;
(b) is the longitudinal cross-sectional view.
4A is a transverse sectional view showing a state in which a main door of the vending machine according to the present embodiment is opened, and FIG. 4B is a longitudinal sectional view thereof.
5A is a transverse sectional view showing a state where the main door of the vending machine according to the present embodiment is being closed, and FIG. 5B is a longitudinal sectional view thereof.
FIG. 6 is a diagram showing an operation of a main part of a main door lock mechanism of a conventional vending machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vending machine 2 Vending machine main body 3 Main door 4 Sample 5 Selection button 6 Bill insertion slot 7 Coin insertion slot 8 Return lever 9 Change return slot 10 Indicator 11 Merchandise sales slot 12 Main door lock mechanism 13 Handle 14 Lock 14a Lock hole 15 Handle holder 16 Lever member 16a Protruding part 17 Locking member 17a Connection hole 17b Opening 17c Engaging part 17d Long hole 17e Opening 18 Locking plate 18a Locking groove 18b Inclined surface 18c Mounting hole 19 Pin 20 Stopper 21 Holding member 30 Signboard 31 Transparent Panel 32 Surface plate 33 Guide plate 33a Opening Pr Lock position Pu Unlock position

Claims (2)

In the main door lock mechanism of the vending machine that locks / unlocks the main door that opens and closes the front of the vending machine body,
A lock member provided on the main door so as to be vertically movable between a predetermined unlock position and a lock position below the predetermined unlock position;
An engagement member that is provided in the vending machine body and engages the lock member at the lock position of the lock member when the main door closes the front surface;
A handle provided on the main door for lifting the lock member from the locked position to the unlocked position;
Rotatably mounted in the main door, the said locking member is lifted to the unlocked position, rotating the first rotational position of a predetermined by its own weight on the basis of the opening operation of the main door by operation of said handle The lock member is held in the unlock position by moving, and the lock member is rotated by the dead weight by rotating from the first rotation position to the second rotation position based on the closing operation of the main door. A main door locking mechanism of a vending machine comprising: a stopper that drops from a position to the locking position and engages the locking member with the engaging member.   The main door of the vending machine according to claim 1, wherein the engaging member includes an engaging portion that engages with the locking member, and an inclined surface that is formed on the main door side from the engaging portion. Lock mechanism.

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