JPH0973567A - Lock preventive mechanism for coin/medal paying out device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid the overload of a motor being the driving source of a disk paying out medals or coins and the lock phenomenon of the disk. SOLUTION: A cylinder 10 which rotates freely to both of a coin guide 2 and the disk 1 is fitted along the inner peripheral surface of the coin guide 2. When friction or sticking over some degree is generated between the coin or medal 5 loaded on the disk 1 and the inner peripheral surface of the cylinder 10, the cylinder 10 is rotated as one body with the disk 1. Thus, even when the coin or medal 5 is engaged in a coin acquiring hole 4 in an unadequate posture and rotates as one body with the disk 1 to come into slidable contact with the inner peripheral surface of the cylinder 10, the disk 1 is not precluded from rotating.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock prevention mechanism for coin and medal payout machines.

[0002]

2. Description of the Related Art As coin and medal payout machines, Japanese Utility Model Publication No. 1-10689, Japanese Utility Model Publication No. 2-19882, Japanese Patent Publication No. 55-48634 and Japanese Patent Publication No. 63-36.
040, JP-A-7-78278 and JP-A-7-78278.
Although various types such as Japanese Patent No. 129803 have already been proposed, the point that coins or medals are paid out by rotating a disc for coin discharge inside a cylindrical coin guide connected to a hopper. The same is true for.

Of these, referring to the example of a coin and medal payout machine disclosed in Japanese Patent Laid-Open No. 7-129803, a peripheral structure of a cylindrical coin guide and a disk is shown in a simplified manner in FIG. 3A is a view of the disc 1 of the coin and medal payout machine as seen from above along the rotation center axis thereof, and FIG. 3B is a plane including the rotation center axis of the disc 1. FIG. 3 is a side cross-sectional view showing the entire periphery of the disc 1 and the coin guide 2 by cutting the coin guide 2 and the hopper 3.

As shown in FIG. 3 (b), the coin and medal payout machine has a hopper 3 for storing coins or medals, and the lower part thereof is reduced in diameter and connected to a cylindrical coin guide 2. Has been done. At the inner lower position of the coin guide 2, there is provided a coin ejection disc 1 for capturing coins or medals 5 to be paid out from the lower part of the hopper 3 and transporting the coins or medals 5 to the coin payout opening one by one. As shown in FIG. 3A, the disc 1 is provided with a plurality of coin capturing holes 4 having an inner diameter equal to the outer diameter of coins or medals 5 to be paid out.

In short, the coins or medals in the lower layer of the hopper 3 are agitated by the rotation of the disc 1 to change its posture variously, and the coins or medals fitted in the coin capturing holes 4 are inscribed. The coins 5 are guided to an annular gap 6 formed between the lower surface of the disk 1 and the upper surface of the substrate (not shown), and the coins are provided so as to project to the lower surface side of the disk 1 between the adjacent coin capturing holes 4. The coins or medals 5 in the gap 6 are orbitally fed by the transporting projections 8 and the like, and the outer peripheral portion of the coins or medals 5 is laterally attached to the contact piece 7 fixed at a predetermined position in the gap 6. The coin or the medal 5 is pressed against the coin or the medal 5 by the wedge effect generated by the pressing action of the contact piece 7 and the coin transporting projection 8.
Of the coin and the coins or medals 5 are ejected one by one to the outside of the coin and medal payout machine from the slits formed at the corresponding positions of A in the drawing.

As a matter of course, there are some differences between the coin and medal payout machines depending on the model of the coin and medal payout machine regarding the transfer processing from the time when the coins or medals 5 are taken into the effect catching hole 4 of the disk 1 to the time when they are paid out. In the coin and medal payout machine, the disc 1 required for agitating and capturing the coins or medals 5 is an indispensable constituent element regardless of the configuration.

From the viewpoint of capturing coins or medals 5, it is ideal that the surface of the coins or medals 5 is always kept parallel to the disc 1 in the lower layer of the hopper 3 and agitated in a stacked state. Even in each conventional technology,
Various stirring means have been proposed, including a non-rotating body-shaped stirring rod and a spiral stirring rod that are vertically installed on the disc 1, but all of them have a sufficient stirring effect. However, as shown in FIGS. 3 (a) and 3 (b), for example, a large number of coins or medals 5 in a posture orthogonal to the plane of the disc 1 are superposed and the disc 1 A situation may occur in which the coin is caught in the coin capturing hole 4.

In order to enhance the effect of catching coins or medals 5, the coin catching holes 4 are usually formed in the outer peripheral portion of the disk 1. Therefore, when such a situation occurs, the coin catching holes 4 are Coins or medals 5 fitted in 4
The outer peripheral part of the will interfere with the inner peripheral surface of the coin guide 2,
There are problems that the rotation operation of the disk 1 is hindered and the motor serving as a drive source is overloaded. Furthermore, in the worst case, a locking phenomenon may occur in which the rotating operation of the disk 1 is completely stopped.

Further, the coins or medals 5 fitted in the coin catching holes 4 in a posture orthogonal to the surface of the disc 1 do not easily fall off from the coin catching holes 4 even if the disc 1 rotates, so that the disc 1 By the stirring effect of the rotation of
A larger number of coins or medals 5 are provided between the groups of coins or medals 5 that are fitted into the coin capturing holes 4 in a nodular manner.
Are aligned and fitted, and all the coins or medals 5 on the disc 1 rotate integrally with the disc 1, so that the sliding resistance between the disc 1 and the inner peripheral surface of the coin guide 2 is increased. And the occurrence of motor overload and lock phenomenon tends to increase.

When the inner peripheral surface of the coin guide 2 is damaged or dented due to the occurrence of such sliding friction or the lock phenomenon, the coin or the medal 5 is eaten by the inner peripheral surface of the coin guide 2. The attachment becomes more severe, and an environment where the lock phenomenon easily occurs is formed.

[0011]

DISCLOSURE OF THE INVENTION The object of the present invention is to solve the above-mentioned drawbacks of the prior art and to insert coins or coins into a coin capturing hole so as to rotate integrally with a disc. Coins that can prevent the overload of the motor that is the drive source of the disc and the lock phenomenon of the disc even when such occurs, and can prevent the occurrence of inadvertent scratches and dents. Another object is to provide a lock prevention mechanism in a medal payout machine.

[0012]

According to the present invention, there is provided a structure in which a rotatable cylindrical body is attached to both the coin guide and the disc along the inner peripheral surface of the coin guide. Achieved

When the coins or medals are normally stirred, that is, when the coins or medals do not bite the inner peripheral surface of the cylinder, the cylinder holds the current position and the coin guide is held. Stationary against, only the disc rotates. In this case, the cylindrical body substantially acts as the inner peripheral surface of the coin guide. Further, when a coin or a medal bites on the inner peripheral surface of the cylindrical body, the cylindrical body rotates integrally with the disc due to friction between the coin or the medal and the inner peripheral surface of the cylindrical body. By rotating the cylindrical body on which the coins or medals bite together with the disc, the disc is locked and the drive source of the disc is prevented from being overloaded.

Further, by forming the cylindrical body with a material that is harder than the material of the coin or medal to be paid out, the occurrence of scratches or dents on the peripheral surface of the cylindrical body is prevented.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a main part of an embodiment of a coin and medal payout machine to which a lock prevention mechanism of the present invention is applied. In FIG. 1 (a), a disc 1 of the coin and medal payout machine is used as a central axis of rotation thereof. 1B, the coin guide 2 and the hopper 3 are cut along a plane including the rotation center axis of the disc 1 in the side sectional view of FIG. It shows the entire peripheral portion of the. The configuration of the disc 1, the coin guide 2, the hopper 3, the contact piece 7, etc. is exactly the same as that of the conventional coin and medal payout machine as shown in FIGS. 3 (a) and 3 (b). Detailed description is omitted.

The sloping plate 9 provided in the hopper 3 prevents the replenishment coins and replenishment medals thrown into the hopper 3 from impacting the disc 1 and damaging the disc 1. It is a member for preventing or reducing the weight acting on the disc 1 by supporting a part of the load of coins and medals accumulated in a large amount in the hopper 3. Kaihei 7-129803
It is a unique component common to the coins and the medal payout machine of the publication.

The coin and medal payout machine of this embodiment is different from the conventional one in that the cylindrical coin guide 2 is used.
The point is that a cylindrical body 10 that is rotatable with respect to both the coin guide 2 and the disc 1 is provided along the inner peripheral surface of the.

FIG. 2A is a side sectional view showing only the peripheral portion of the cylindrical body 10 by cutting the coin guide 2 and the cylindrical body 10 along a plane including the rotation center axis of the disc 1. FIG.
As shown in (a), a flange portion 11 is integrally formed at the lower end portion of the cylindrical coin guide 2, and a coin is formed on a board (not shown) through a mounting hole 12 formed in the flange portion 11. The guide 2 is integrally attached with a bolt or the like. Of course, this mounting hole 1
2 are provided at a plurality of positions along the circumferential direction of the flange portion 11.

The hopper 3 is pivotally mounted on the substrate by a stay 13 fixed to the bottom surface 14 of the hopper 3 so as to be swingable, and in the normal position as shown in FIG. The load is supported exclusively by the upper end surface of the coin guide 2 (see the arrow B portion) into which the cylindrical engaging portion 15 projecting from 14 and the stay 13 are supported, and the engaging portion 1
5 does not strongly press the upper end of the cylindrical body 10.

As shown in FIG. 2 (a), the cylindrical body 10 has an outer diameter substantially equal to the inner diameter of the small diameter portion 2a of the coin guide 2, and is an annular flange integrally formed at the upper end of the cylindrical body 10. The coin guide 2 is prevented from coming off from the small diameter portion 2a by 10a. As described above, the engaging portion 15 of the hopper 3 does not press the annular flange 10a strongly, and the cylindrical body 10 is rotatable with respect to the coin guide 2. As shown in FIG. 2A, the lower end of the small diameter portion 2a of the coin guide 2 and the lower end of the cylindrical body 10 substantially coincide with each other in the up-down direction, and the inside of the large diameter of the coin guide 2 formed thereunder. The disk 1 is attached so as to be inscribed in the peripheral portion 2b (see FIG. 1 (b)).

In FIG. 2A, the cylindrical body 10 is machined from a stainless steel rod material by lathing or the like, giving priority to the dimension and shape accuracy, but the detailed dimensions of the cylindrical body 10 are actually shown. Since it does not significantly affect the effect of the above, the cylindrical body 10 formed by sheet metal pressing as shown in FIG. 2B may be used in mass production. The cylindrical body 10 shown in FIG.
The difference from the cylindrical body 10 shown in (b) is mainly the maximum outer diameter of the annular flange 10a and the sharpness of the outer corner portion, but any difference does not affect the actual action and effect.

Of course, there is no problem if the cylindrical body 10 is manufactured by using a steel material other than stainless steel, a non-ferrous metal, a synthetic resin, or the like, but scratches or scratches caused by the sliding contact of coins or medals on the inner peripheral surface thereof In order to prevent the depression, it is necessary to configure the cylindrical body 10 with a material that is harder than the coins or medals to be paid out.

The cylindrical body 10 is rotatably attached to the inner peripheral surface of the coin guide 2. However, since the cylindrical body 10 itself does not have a rotation driving means, coins and medals 5 are paid out and the disc 1 is used. As long as the coins and medals 5 on the top are normally stirred, the coin guide 2 remains stationary with respect to the inner peripheral surface of the coin guide 2 and only the disc 1 rotates. As a matter of course, even when the coins and the medals 5 are normally dispensed and agitated, part of the coins and the medals 5 on the disk 1 always slides on the inner peripheral surface of the cylindrical body 10 and moves. However, unless the coins and the medals 5 bite against the cylindrical body 10 violently, the cylindrical body 10 holds the rotational position at that time,
It stops with the coin guide 2. Since the hardness of the cylindrical body 10 is higher than the hardness of the coin or the medal 5 to be paid out, the cylindrical body 10 is rubbed against the coin or the medal 5.
No damage occurs on the side of.

On the other hand, as shown in FIGS. 1 (a) and 1 (b), a large number of coins or medals 5 in a posture orthogonal to the surface of the disc 1 are polymerized to be formed in the coin capturing hole 4 of the disc 1. In the case where the coins or the medals 5 are inserted into the coin capturing holes 4, the outer peripheral portions of the coins or the medals 5 interfere with the inner peripheral surface of the cylindrical body 10 all at once. Alternatively, strong frictional resistance acts between the medal 5 and the inner peripheral surface of the cylindrical body 10, and slippage occurs between the inner peripheral surface of the coin guide 2 and the outer peripheral surface of the cylindrical body 10, so that the cylindrical body 10 becomes a disk. It will rotate together with 1.

In the conventional structure as shown in FIGS. 3 (a) and 3 (b), a large number of coins or medals 5 mounted on the disk 1 are formed on the inner circumference of the coin guide 2 fixed on the substrate. Since it comes into direct contact with the surface, a strong frictional resistance between the outer peripheral portion of the coin or the medal 5 and the inner peripheral surface of the coin guide 2 causes an overload on the motor serving as the drive means of the disc 1, or the disc 1 However, in this embodiment, only when a strong frictional resistance acts between the cylindrical body 10 fitted into the coin guide 2 and the coin or the medal 5, the rotation itself of the coin is locked. Since the cylindrical body 10 rotates integrally with the disc 1, it is possible to easily avoid the overload of the drive source and the locking phenomenon of the disc 1.

As a matter of course, by avoiding the overload of the driving source and the locking phenomenon of the disk 1, it is possible to obtain the structure shown in FIGS.
In the state as shown in (b), the disc 1 and the coins or medals 5 on the disc 1 and the cylindrical body 10 are integrally rotated as they are, and the idling operation is repeated without payout. Although there is a possibility that the coins or medals 5 on the disc 1 collide with a large number of other coins or medals 5 located in the lower layer of the hopper 3, a phenomenon occurs in that process. There is also a possibility that the aligned coins or medals 5 on the disc 1 will be destroyed by the interaction and the normal payout will be restored.

Further, in such a situation, when the normal payout is not performed, the drive source such as the motor may be stopped by detecting the idling of the disk 1 a predetermined number of times. In the conventional configuration as shown in FIG. 3B, if the disk 1 is locked, the idling of the disk 1 cannot be detected, and the motor in an overloaded state continues to be driven for a long time. There is. On the other hand, in the configuration of the present embodiment, even if the coins or coins 5 on the disc 1 are aligned and strongly interfere with the cylindrical body 10 to prevent normal payout, the disc 1 itself cannot rotate. Since it is easily permitted, it is possible to detect the idling of the disc 1 a predetermined number of times, and immediately thereafter stop driving the motor or the like. Moreover, an overload does not occur during the driving of the motor until the rotation of the predetermined number of times is detected.

In some cases, instead of detecting the idling of the disk 1 a predetermined number of times, a timer measures a predetermined time to stop the drive source such as a motor. 3 (a) and 3
With the conventional configuration as shown in (b), the locking phenomenon of the disk 1 itself cannot be avoided. Therefore, even when the payout cannot be performed due to the locking, the motor or the like is overloaded while the timer is operating. However, in the present embodiment, the lock itself of the disk 1 is released, so that the motor is not overloaded even when the payout stop process is performed by the timer. .

As another means for preventing the coin or the medal 5 from sticking to the coin guide 2,
The cylindrical body 10 and the disk 1 are integrally formed, and the cylindrical body 1
It is also conceivable to rotate 0 with the disc 1 at all times, but then, the coins or medals 5 placed on the disc 1 so as to be orthogonal to the plane of the disc 1 are inserted into the cylindrical body 1
It is not possible to expect the stirring effect that the sliding contact resistance with the inner peripheral surface of 0 causes the tip to fall and change to a posture in which it can be easily captured. Therefore, in the most preferred embodiment, as described above, the cylindrical body 10 is rotated integrally with the disc 1 only when a strong frictional resistance acts between the coin or medal 5 and the inner peripheral surface of the cylindrical body 10. , Or coin or medal 5
When the frictional resistance between the cylindrical body 10 and the inner peripheral surface of the cylindrical body 10 is not so large, only the disk 1 is rotated while the cylindrical body 10 is stopped. A force that overcomes the frictional resistance between the inner peripheral surface of the cylindrical body 10 and the coin or the medal 5 to make the cylindrical body 10 stand still, that is, acts between the outer peripheral surface of the cylindrical body 10 and the inner peripheral surface of the coin guide 2. The static force to be applied can be arbitrarily set by adjusting the fit between the coin guide 2 and the cylindrical body 10.

1 and 2, the inner diameter of the cylindrical body 10 is smaller than the outer diameter of the disc 1, and the lower end portion of the cylindrical body 10 is close to the upper surface of the disc 1 so as to be in sliding contact therewith. It is also possible to arrange the disc 1 so that the inner diameter of the cylindrical body 10 is substantially matched with the outer diameter of the disc 1 and the cylinder 1 is fitted inside. However, disk 1
Since it is necessary to push out the coins or medals 5 dropped on the upper surface of the substrate from the coin capturing holes 4 of the coin 1 to the side through the gap 6 under the disc 1 (the contact piece 7 described in the section of the prior art).
And a coin transporting protrusion 8), a gap having a thickness comparable to the gap 6 is left between the lower end of the cylindrical body 10 and the upper surface of the substrate, and the arrow A in FIG. It is necessary not to block the slit on the outer peripheral portion of the coin guide 2 which is bored corresponding to the position.

In the above embodiment, the cylindrical body 10 is made of a material having a hardness higher than that of the coin or medal 5 to be paid out.
The coins or medals 5 were mentioned above.
When the biting between the and the inner peripheral surface of the cylindrical body 10 or the frictional resistance exceeds a certain limit, the cylindrical body 10 automatically starts rotating together with the disc 1 to prevent the occurrence of galling. Therefore, it is not necessary to give special consideration to damage to the cylindrical body 10 itself, and particularly in the case of press working, etc., the ductility, malleability and economy of the material are given priority, and this is made of a material having a relatively low hardness. It doesn't matter.

[0032]

According to the lock prevention mechanism of the present invention, a cylindrical body, which is rotatable with respect to both the coin guide and the disc along the inner peripheral surface of the coin guide, is mounted, and coins or medals and the cylindrical body mounted on the disc are mounted. Since the cylindrical body is rotated integrally with the disc only when friction or biting with the inner peripheral surface of the coin occurs to some extent, the cylindrical body is fitted into the coin capturing hole in an inappropriate posture. Even if a large number of coins or medals are created that rotate together with the disc when they are inserted, avoid the disc lock phenomenon and prevent overloading of the motor that is the drive source. Can be prevented. Also, since the cylindrical body rotates integrally with the disc, the problem that coins or medals scrape the inner peripheral surface of the cylindrical body and cause scratches or dents is solved at the same time, so that scratches or dents occur. This solves the vicious circle in which coins and medals easily bite into the inner peripheral surface of the cylindrical body.

Further, since the cylindrical body is made of a material having a hardness higher than that of coins or medals to be paid out, the cylindrical body itself is not damaged.

[Brief description of drawings]

FIG. 1 is a diagram showing a main part of a coin and medal payout machine according to an embodiment of the present invention.

FIG. 2 is an enlarged view showing a peripheral portion of a cylindrical body of the coin and medal payout machine of the embodiment.

FIG. 3 is a view showing a main part common to a conventional coin and medal payout machine.

[Explanation of symbols]

 1 Disc 2 Coin Guide 2a Small Diameter Part 2b Large Diameter Inner Part 3 Hopper 4 Coin Capture Hole 5 Coin or Medal 6 Gap 7 Contact Piece 8 Coin Transfer Protrusion 9 Inclined Plate 10 Cylindrical Body 10a Annular Flange 11 Flange Part 12 Mounting Hole 13 stay 14 bottom surface of hopper 15 engaging portion

Claims (2)

[Claims] 1. A coin and medal payout machine in which coins or medals are paid out by rotating a coin ejection disk inside a cylindrical coin guide connected to a hopper for storing coins or medals, A lock preventing mechanism in a coin and medal payout machine, wherein a rotatable cylindrical body is attached to both the coin guide and the disc along the inner peripheral surface of the coin guide. 2. The lock prevention mechanism in a coin and medal payout machine according to claim 1, wherein the cylindrical body is formed of a material harder than a material of a coin or a medal to be paid out.