JPH0138702Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> This invention relates to a coin sorting device for sorting legal coins and illegal coins in public telephones and the like.

<Prior art> In public telephones, etc., coins inserted through the coin slot roll along a coin track, and during this rolling, the authenticity and type of coins are determined, and unsuitable coins are removed from the coin track. A coin sorting device is installed on the coin track so that only proper coins are allowed to pass.

FIG. 1 shows the structure of a conventional coin sorting device of this type. Coin track A includes board 1, rail 2,
It is composed of a track forming plate 3 facing a substrate 1. A distribution lever 4 is rotatably attached to the back surface of the board 1 by a support shaft 4a. The distributing lever 4 has a tip 4b bent in a dogleg shape, and as the distributing lever 4 rotates,
The tip portion 4b advances and retreats along the coin trajectory A through the window 1a formed in the base plate 1.

The distributing lever 4 has a rotational force applied to the distal end 4b in the direction of withdrawing from the coin track A by a recovery spring 5 attached to a support shaft 4a, and a rotation force is applied to the rear side of the distributing lever 4 by a support shaft 6a. The tip 6b of the armature 6, which is rotatably supported by the armature, is in contact with the armature. When the armature 6 is attracted by the electromagnet 7, it rotates in a direction that presses the distribution lever 4. Therefore, when the electromagnet 7 is energized, the armature 6 is attracted and rotated, and the distribution lever 4 is pressed by the tip 6b of the armature 6 and rotates against the rotational force of the recovery spring 5. The tip 4b of the sorting lever 4 enters the coin track A, but when the electricity is removed, the sorting lever 4 rotates with the rotational force of the recovery spring 5, and the tip 4b of the sorting lever 4 moves into the coin path A. The coin is designed to exit from the coin trajectory A.

The electromagnet 7 is not energized when the handset is hooked up, the tip 4b of the sorting lever 4 has left the coin track A as shown in FIG. 1b, and when the handset is raised, it is energized and As shown in FIG. c, the armature 6 is attracted to the electromagnet 7, and the distribution lever 4 is rotated so that the tip end 4b enters the coin orbit A. When a coin is inserted, the coin discrimination device 8 installed on the coin track A determines the authenticity and type of the inserted coin. If the coin is a proper coin, the electricity is released and the sorting lever 4 is turned off. Figure 1b
The coin is rotated by the recovery spring 5 as shown in FIG.
The tip end 4b exits from the bank and allows the proper coin C1 to pass through. However, if the coin is not a proper coin, the electromagnet 7 is not de-energized and the tip end 4b of the sorting lever 4 is moved as shown in FIG. 1c. The coin has entered the coin trajectory A, and the tip portion 4b prevents the illegal coin C2 from being detected.
The coins are removed from the coin track A and dropped through the window 3a of the track forming plate 3 toward the coin return slot.

<Problems to be solved by the invention> However, in the conventional coin sorting device with such a configuration, the electromagnet 7 is always energized after the handset is raised, and the electromagnet 7 is temporarily turned off only when a valid coin passes. Since the current is turned off at the same time, there is a problem in that the current consumption of the electromagnet 7 becomes extremely large.

In addition, since the distribution lever 4 is rotated by both the attraction force of the electromagnet 7 and the recovery force of the recovery spring 5, the structure is complicated and the cost is high. There were also problems such as difficulty in adjusting the suction force and low reliability of the sorting operation.

The purpose of this invention is to correct the above-mentioned drawbacks and provide a coin sorting device that consumes less current, has a simple structure, is low in cost, and has high operational reliability.

<Means for solving the problem> In order to solve the above problem, in this invention,
A permanent magnet is provided to attract and rotate the sorting lever so that the tip of the sorting lever enters the coin orbit, and by temporarily energizing, magnetic flux is applied in a direction that temporarily attenuates the attractive force of the permanent magnet. It is characterized by the provision of an electromagnet so that the

<Effect> With this configuration, in the case of proper coins,
When this electromagnet is energized, the attractive force of the permanent magnet is attenuated, so that the tip of the sorting lever is pushed away from the coin orbit by the correct coin as the correct coin passes, and the correct coin passes by as it is. On the other hand, if the coin is not an appropriate coin, if this electromagnet is not energized, the coin will not be removed from the coin orbit even if it hits the tip of the sorting lever due to the attractive force of the permanent magnet. removed from orbit.

<Example> An example of this invention will be described below with reference to the drawings.

2 to 6 show an embodiment of the coin sorting device of this invention, FIG. 2 is a perspective view thereof, FIG. 3 is an exploded perspective view for explaining the installation state of the sorting lever, and FIG. Figure 4 is a cross-sectional view showing the tip of the sorting lever entering the coin track, Figure 5 is a vertical cross-sectional view, and Figure 6 is the tip of the sorting lever being pushed away from the coin track by a proper coin. FIG. 3 is a cross-sectional view showing the state.

A mounting base 11 is screwed to the back of the board 1, and a yoke 12, a flat permanent magnet 13, and an L-shaped yoke 14 are integrally screwed to the mounting base 11 in a stacked state. An electromagnet 15 is attached to one end of the uppermost L-shaped yoke 14 so that one end surface thereof is substantially parallel to the substrate 1.

The mounting base 11 has supporting pieces 11a, 11a bent at the other end side of the electromagnet mounting position.
A support shaft 16 is provided between the support pieces 11a, 11a.
is inserted substantially parallel to the substrate 1. An L-shaped distribution lever 17 is rotatably attached to this support shaft 16, and by this rotation, its tip 17b moves forward and backward through the window 1a formed in the base plate 1. . Base 1 of distribution lever 17
From 7a, an adsorption member 17c is extended to the electromagnet 15 side, and the adsorption member 17c is attached to the iron core 15a by the magnetic force of the permanent magnet 13 in the magnetic path of the yoke 14, the iron core 15a of the electromagnet 15, the adsorption member 17c, and the yoke 12. It has become strongly adsorbed by Due to this suction, the tip end 17b of the sorting lever 17 is attached to the window 1a.
Then, the coin enters into the coin track A formed by the base plate 1, the rail 2, and the track forming plate 3, and the coin rolling on the coin track A is removed from the coin track A by the tip part 17b. It's becoming like that.

When the electromagnet 15 is energized, the permanent magnet 1
The structure is configured to generate magnetic flux in a direction that attenuates the attraction force of the attraction member 17c due to the attraction member 17c. Therefore, when the current is not energized, the magnetic force of the permanent magnet 13 strongly attracts the coins, and the coins do not separate even if a rolling coin collides with them. However, when the current is energized, the attraction member 17c attracts the iron core 15a. Even if the coins are separated from the iron core 15a by an extremely small external force, the tips 17b of the sorting lever 17 are pushed away from the coin trajectory A by the coins rolling on the coin track A, and the tip part 17b of the sorting lever 17 is pushed away from the coin track A.
is rotated so that the suction member 17c is separated from the iron core 15a. Note that the mounting base 11 is provided with a mechanism that allows the distributing lever 17 to rotate when the distal end 17b of the distributing lever 17 rotates in the direction of leaving the coin track A.
A stopper 18 that comes into contact with the tip 17b is attached.

This electromagnet 15 is connected to the coin trajectory A after the handset is raised.
Electricity is applied only when the inserted coin is determined to be a proper coin by the coin discriminating device 8 attached to the back side of the board 1 so as to face the coin.

Next, the operation of the above embodiment will be explained with reference to FIGS. 4 and 6.

The electromagnet 15 is not energized when the handset is hooked up, so the attraction member 17c is attracted to the iron core 15a by the magnetic force of the permanent magnet 13, and the tip 17b of the distribution lever 17 is opened as shown in FIG. 1a
It is now in a state where it has entered the coin orbit A.
After raising the handset, coins are inserted from the slot,
When the coin discriminating device 8 determines that the coin is a proper coin, the electromagnet 15 is energized, and a magnetic flux is generated in a direction that attenuates the attractive force of the permanent magnet 13. Therefore, when the proper coin C1 that has rolled down the coin orbit A comes into contact with the tip 17b of the sorting lever 17, the adsorption member 1
Since the attraction force to 7c is extremely weak, the sorting lever 17 rotates, and the proper coin C1 pushes away the tip 17b of the sorting lever 17 and passes through the coin trajectory A as shown in FIG.

If it is determined that the currency is an invalid currency, the electromagnet 15 is not energized, and the attractive force of the permanent magnet 13 does not attenuate. Therefore, even if the illegal coin C2 that has rolled down the coin track A collides with the tip 17b of the sorting lever 17, it will be repelled, and as shown in FIG. 4, it will be removed from the coin track A and fall from the window 3a. and is ejected towards the return slot.

In the coin sorting device of the above embodiment, the electromagnet 15 is normally not energized, and the sorting lever 17 is moved into the coin trajectory A by the attractive force of the permanent magnet 13.
Only when the inserted coin is a proper coin, it is sufficient to energize the coil with enough current to generate a magnetic flux that attenuates the attractive force of the permanent magnet 13. Since there is no gap between the attraction member 17c and the electromagnet core 15a, the electromagnet The current consumption of the device 15 is significantly reduced, and since a recovery spring is not required as in the conventional case, the number of parts is reduced, the structure is simple, and the cost is also reduced. Furthermore, the attraction force of the permanent magnet 13 excludes invalid coins, and by weakening this attraction force, valid coins are allowed to pass through, so that the sorting operation is reliable and reliability is significantly improved.

<Effects of the invention> As explained above, in the coin sorting device of this invention, the tip of the sorting lever is moved into the coin orbit by the attractive force of the permanent magnet, and if the coin is a valid coin, the electromagnet is energized. In particular, by attenuating the attractive force of this permanent magnet, a proper coin can pass through without being pushed away from the tip of the sorting lever and removed from the coin trajectory, and when a coin does not pass, When an illegal coin passes through, the electromagnet is not energized, so that the illegal currency cannot be pushed away by the tip of the sorting lever due to the attractive force of the permanent magnet, and is rejected. (a) Always. Since the electromagnet is not energized, current consumption is reduced.

(b) Unlike the conventional method, both the recovery force of the recovery spring 5 and the attraction force of the electromagnet are not used, so the structure is simple and the cost is low.Moreover, there is no need to adjust the recovery force of the spring, so the operation can be improved. Reliability also increases.

[Brief explanation of the drawing]

Figure 1 is a diagram showing a conventional coin sorting device, in which figure a is a perspective view showing the tip of the sorting lever entering the coin track, and figure b is a perspective view showing the tip of the sorting lever leaving the coin track. Figure c is a cross-sectional view showing the state in which the coin has entered the orbit, Figures 2 to 6 are views showing the coin sorting device of this invention, and Figure 2 is a perspective view thereof. Figure, 3rd
The figure is an exploded perspective view for explaining the installation state of the sorting lever, Figure 4 is a cross-sectional view showing the state in which the tip of the sorting lever has entered the coin track, Figure 5 is a longitudinal cross-sectional view, and Figure 6 is a vertical cross-sectional view. FIG. 7 is a cross-sectional view showing a state in which the tip of the sorting lever is pushed away from the coin trajectory by a proper coin. 1... Board, 1a... Window, 2... Rail, 3...
...Track forming plate, 11...Mounting base, 12...Yoke, 13...Permanent magnet, 14...Yoke, 15...
Electromagnet, 16... Support shaft, 17... Sorting lever,
17a...Base, 17b...Tip, 17c...
Adsorption member, 18... stopper.

Claims (1)

[Scope of Claim for Utility Model Registration] The tip is rotatably provided so that it can move forward and backward into the coin track, and when the tip is in the state of entering the coin track, the tip side faces toward the coin traveling direction. a sorting lever whose tip end obliquely enters the coin track so that the width of entry of the sorting lever gradually increases; a permanent magnet that is made to protrude and whose attraction force is set to a value that prevents the tip end from retreating from the coin orbit due to the passing force of the coin orbit; and a permanent magnet that is energized when a regular coin passes and attracts the permanent magnet to the sorting lever. and an electromagnet that generates a magnetic flux in a direction that attenuates the force to a value that enables the tip of the sorting lever to exit from the coin trajectory due to the passing force of the regular coin, and only when the electromagnet is energized when a regular coin passes. . A coin sorting device, wherein the sorting lever is rotatable.