JP2008117072A5 - - Google Patents

Description

Coin selector

The present invention relates to a coin selector that determines the authenticity of a coin used for a pachislot or the like.
More specifically, the present invention relates to a coin selector that prevents fraud with respect to a coin sensor that detects a coin determined as a genuine coin by the coin selector.
More specifically, the present invention relates to a small and inexpensive coin select that does not allow fraud by inserting an instrument from the genuine coin exit of the coin sensor.
Note that the coin selector according to the present invention can be used for a coin-type game machine, a vending machine, and the like in addition to a pachislot machine.
In this specification, a coin is a general term for disk-shaped medals, tokens, and the like.

As a first prior art, a so-called 3.5 inch coin selector is known.
This coin selector has a coin passage that extends vertically downward from the medal slot on the ceiling and then bends laterally to form a downward inclined passage. A small diameter medal sorting portion is provided in the middle of the slope. A passage detection sensor is arranged downstream of the sorting section (see, for example, Patent Document 1).
As a second prior art, a path switching unit for switching a coin path to a normal path or a cancellation path is provided following a coin sorting unit, and a passage detection unit is further provided in the main path, and a detection signal is received from the passage detection unit. In such a case, it is known that the switching unit is switched to the normal path only for a certain period of time to prevent fraud such as hanging of the thread (see, for example, Patent Document 2).

JP-A-2002-172203 (FIGS. 3-9, pages 2-4) Japanese Patent Laid-Open No. 5-282514 (FIGS. 1-2, 2-4)

Recently, there has been a case where the trick of fraud has become clever, and an instrument inserted from the winning coin payout exit / cancellation coin payout exit is inserted from the coin exit of the coin selector to perform fraud.
For this measure, a conventional path switching unit can be incorporated.
Specifically, the shutter is actuated by the actuator to the outlet may be provided to the structure to be positioned to force open or closed position the shutter.
Thereby, since it is blocked by the shutter and the instrument cannot be inserted into the coin passage, there is an advantage that these frauds can be prevented.
However, since the prior art forcibly switches the path switching unit, an actuator and a link mechanism are required, and there is a problem that the size and cost are increased.

A first object of the present invention is to provide a coin selector that prevents unauthorized access to a coin sensor for detecting genuine coins.
A second object of the present invention is to provide a small coin selector that prevents unauthorized access to a coin sensor.
A third object of the present invention is to provide a coin selector that prevents unauthorized access to a coin sensor at low cost.

In order to achieve this object, the coin selector according to the present invention is configured as follows.
The invention of claim 1 is directed to a coin selector that detects the passage of the coin based on a signal from a coin sensor disposed downstream of a true / false discrimination means formed along a coin path along which the coin moves. The coin selector is characterized in that shutter means that allows passage of the coin in the rolling direction but does not allow passage in the reverse direction is arranged in the coin passage downstream of the coin passage.
According to a first preferred embodiment of the present invention, in the coin selector according to claim 1, the shutter means is a plate-like body that can rotate around a support shaft, and is held at a shielding position of the coin passage by self-moment. And a coin selector which is pushed by a coin rolling in the coin path and moved to an open position and is held at the shielding position when pushed in the opposite direction.
A second preferred embodiment of the present invention is the coin selector according to claim 1 or the first preferred embodiment , wherein the support shaft is arranged in a direction perpendicular to the coin rolling direction, and the plate-like body is a coin selector. The inclined portion has an inclined portion that is inclined forward with respect to the rolling direction, and rotates in a direction that shields the rolling passage by self-moment, and the inclined portion is pressed by a pressing force from a direction opposite to the coin rolling direction. Receiving a force to be held at the shielding position.
A preferred third embodiment of the present invention is characterized in that , in the preferred second embodiment , the tip of the plate-like body enters the groove of the defining wall of the rolling passage to shield the coin passage. .

In this configuration, the coin rolls in the coin passage and reaches the authenticity determination means.
In the true / false determination means, the false coins are excluded, and only the genuine coins roll further down the coin passage, and are detected by the coin sensor, and then flow out of the exit through the shutter means.
The shutter means does not open the coin passage by being pushed in a direction opposite to the direction in which the coin passes.
When a fraudulent instrument is inserted from the outlet, the coin sensor cannot be accessed because it is blocked by the shutter means.
Therefore, there is an advantage that fraud that is performed by inserting a fraudulent instrument from the exit of the coin selector cannot be performed.
In a preferred first embodiment of the present invention , the shutter means is a plate-like body that can rotate around a support shaft, and is held at the shield position of the coin passage by self-moment and rolls in the coin passage. It is pushed by the coin to be moved to the open position, and is held at the shielding position when pushed in the reverse direction.
When the shutter means is pressed by the coin by the self-moment, it rotates around the support shaft to allow the coin to pass, and when pressed from the opposite side, the shielding position is continued and the fraudulent instrument is not allowed to pass.
Therefore, since the shutter means does not require an actuator or a link mechanism, there is an advantage that the apparatus can be miniaturized and can be manufactured at a lower cost.
In a second preferred embodiment of the present invention , the plate-like body serving as the shutter means has its support shaft arranged in a direction perpendicular to the coin rolling direction, and the plate-like body is forward of the coin rolling direction. The tilting portion is inclined in the direction of shielding the rolling passage by self-moment, and the tilting portion is held at the shielding position by the pushing force from the direction opposite to the coin rolling direction. Receive the power to be.
As a result, the plate-like body is pushed by the coin from a direction perpendicular to the support shaft, and is efficiently rotated around the support shaft by the coin, so that the coin can pass smoothly.
In addition, when the plate-like body is pushed from the opposite direction, the plate-like body is held at the shielding position, so that there is an advantage that it is possible to prevent fraud in which the fraudulent instrument is inserted from the outlet.
In a third preferred embodiment of the present invention, the tip of the plate-like body enters the groove of the defining wall of the rolling passage and shields the coin passage.
Therefore, simply inserting the fraudulent instrument from the outlet only pushes the plate-like body in the direction to be held at the shielding position, and therefore there is an advantage that fraud is extremely difficult.

Best embodiment of the present invention, in the coin selector for detecting the passage of the coin based on a signal from the coin sensor disposed downstream of the authenticity discrimination means coin is formed along the coin path to be moved, the coin Shutter means that allows passage of the coin in the rolling direction but does not allow passage in the reverse direction is disposed in the coin passage downstream of the sensor, and the shutter means is disposed in a direction perpendicular to the rolling direction of the coin. A plate-like body that can turn around a support shaft, has a sloping portion that inclines forward with respect to the rolling direction of the coin, and rotates in a direction that shields the rolling passage by self-moment, Due to the pushing force from the direction opposite to the coin rolling direction, the inclined portion receives the force to be held at the shielding position, and the tip of the plate-like body enters the groove of the demarcating wall of the rolling path and passes through the coin path. A coin selector which is characterized in that 蔽.

FIG. 1 is a front view of a coin selector according to an embodiment of the present invention.
FIG. 2 is a rear view of the coin selector according to the embodiment of the present invention.
FIG. 3 is an exploded perspective view of the coin selector according to the embodiment of the present invention.
FIG. 4 is a front view of the coin selector according to the embodiment of the present invention with the second main body and the third main body removed.
FIG. 5 is a rear view of the third main body of the coin selector according to the embodiment of the present invention.
6 is a cross-sectional view taken along the line AA in FIG.
FIGS. 7A and 7B are cross-sectional views taken along the line BB in FIG. 1. FIG. 7A is a time when a coin is received, and FIG. 7B is a time when a coin is canceled.
8 is a cross-sectional view taken along the line CC in FIG.
9 is a cross-sectional view taken along the line DD in FIG.
FIG. 10 is a cross-sectional view taken along line EE in FIG.

The coin selector 100 of the embodiment includes a main body 102, a guide rail 104, a coin passage 106, a diameter selection means 110 that is an authenticity determination means 108 disposed in the middle of the coin passage 106, a moving direction changing means 112, and a moving direction changing means. The coin detection passage 114 is located downstream of 112, the second main body 118 defining the coin detection passage 114, the coin sensor 116 disposed in the coin detection passage 114, the canceling means 119, and the shutter means 120.

First, the main body 102 will be described with reference to FIGS.
The main body 102 is attached with components constituting the coin selector 100 and has a function of guiding one side of the coin C.
Body as shown in FIG. 3 102, guide walls 122 for vertical standing, include the left wall 124 and right wall 125 bent at right angles from the left and right end portions of the guide wall 122, guide walls 122, left side wall 124 and the right A concave groove 128 extending in the vertical direction is formed by the wall 125.
The width and height of the main body 102 are 3.5 inches, which is a so-called de facto standard size.
The coin selector 100 is attached to the game machine by hooking a plurality of protrusions 132 protruding from the left side wall 124 and the right side wall 125 into an attachment groove (not shown) of the game machine.

Next, the guide rail 104 will be described with reference to FIGS.
The guide rail 104 has a function of guiding the coin C inserted into the insertion slot 134 in a predetermined direction while rolling.
The guide rail 104 has a thickness of a coin C from a guide surface 127 facing in parallel to the guide wall 122 of the third main body 126 rotatably attached to the guide wall 122 of the main body 102 toward the guide wall 122 of the main body 102. Further, the upper rail 104U that protrudes slightly more and substantially upright and the curved portion 104C that curves obliquely to the right in FIG.
The guide rail 104 can be integrally formed with the third main body 126 by a material having wear resistance. However, as in the embodiment, an elongated metal plate guide rail 130 is disposed on the surface to improve the wear resistance. It is preferable.

Next, the third main body 126 will be described with reference to FIGS.
The third main body 126 defines one surface of the coin passage 106, is provided with a guide rail 104, and has a function of canceling the coin C jammed in the coin passage 106.
The third main body 126 is formed on the third main body 126 on the bearing 136 and the first shaft 138 and the second shaft 142 protruding in parallel with the guide wall 122 from the bearing 136 and the right side wall 125 at the upper end of the guide wall 122. The first shaft hole 144 and the second shaft hole 146 are inserted respectively.
The first shaft 138 and the second shaft 142 are formed on the same axis L1 that inclines upward in FIG.
As a result, the third main body 126 is rotatably attached between a guide position GP parallel to the guide wall 122 and a cancel position CP rotated at a predetermined angle at which the lower end portion is separated from the guide wall 122.

When the third main body 126 is attached to the main body 102, the third main body 126 is held obliquely with respect to the main body 102 along the inclined edge 131 at the upper end of the left side wall 124, and the first shaft 138 is formed in the first shaft hole 144. Then, the second shaft 142 is inserted into the second shaft hole 146, shifted in the lateral direction (right direction in FIG. 3) and attached to each shaft, and then rotated toward the guide wall 122.
Thereby, the fitting part (not shown) formed in the 1st axis | shaft 138 and the shaft hole 144 fits in the 3rd main body 126, and the said fitting cannot be cancelled | released.
Further, the third main body 126 is driven to the side of the second shaft hole 146 by a pusher (not shown) pushed by a spring (not shown) arranged in a cylinder 148 protruding from the back surface of the guide wall 122. The inclined surface 150 receives a moment around the axis, and receives a predetermined biasing force toward the guide wall 122.
In other words, the third main body 126 is elastically powered so as to approach the guide wall 122.
An arcuate drop opening 152 is formed along the coin passage 106 at the center of the third main body 126.
Further, the third main body 126 extends laterally from the lower end portion on the left side wall 124 side, and the driven piece 153 protruding from the through hole 151 of the guide wall 122 is pushed toward the guide wall 122, whereby the first shaft 138 and The second shaft 142 is rotated around the fulcrum (clockwise in FIG. 3).
As a result, the end surface of the guide rail 104 is separated from the guide wall 122 by more than the thickness of the coin C, and the guide rail 104 is inclined downward, so that the coin C that cannot roll in the coin path 106 falls from the guide rail 104. , Rejected.

Next, the coin passage 106 will be described.
The coin passage 106 has a function that the coin C inserted into the insertion slot 134 rolls on the guide rail 104 and guides it to the moving direction changing means 112.
The coin passage 106 has a rectangular cross section defined by the guide surface 154 on the surface of the guide wall 122, the guide rail 104, the guide surface 127 of the third main body 126, and the diameter selector 156, and is curved to the right in FIG. It is a passage and is located in the first plane P1.
The guide surface 154 has a function of guiding one surface of the coin C, and is formed on the upper left side of the guide wall 122 along the guide rail 104. After slightly hanging down, the guide surface 154 curves rightward in FIG. A plurality of protrusions extending in the rolling direction are formed.
As shown in FIG. 5, the diameter selecting member 156 is fixed to the third main body 126 by a screw 165 by fitting the positioning hole 162 to the positioning pin 163 protruding from the third main body 126.
A mounting base 159 (see FIG. 4) is formed so as to protrude from the upper end portion of the guide wall 122 toward the inside of the concave groove 128 relative to the third main body 126.
The diameter selector 156 has a guide surface 160 located in the same plane as the guide surface 127 of the third body 126 parallel to the guide wall 122, and a guide edge 164 similar to the guide rail 104. The guide rail 104 is set at a predetermined interval.
In other words, when the genuine coin C rolls on the guide rail 104, the upper end side surface of the genuine coin C is guided to the guide surface 160 of the diameter selector 156, and the small-diameter fake coin is guided to the guide surface 160. Instead, it can be dropped from the drop opening 152 between the end of the guide surface 127 and the guide edge 164.

The guide surface 154 is preferably formed with a plurality of protrusions extending in parallel with the moving direction of the coin C to reduce the movement resistance of the coin C.
On the guide surface 127 and the guide surface 160, protrusions extending in the coin moving direction can be formed.
When coins C having different diameters are used, the distance between the guide edge 164 of the diameter selector 156 and the guide rail 104 is replaced with a different diameter selector 156.
The diameter sorter 156 is preferably made of a wear-resistant material such as a metal plate because coins rub.

Next, the diameter selecting means 110 will be described with reference to FIGS.
The diameter selecting means 110 has a function of rejecting a small-diameter fake coin SC that rolls in the coin passage 106.
The diameter selecting means 110 includes a deflecting body 172 and a first urging means 174.
The deflecting body 172 is rotatably attached to the third bearing 176L and the fourth bearing 176R provided at the upper end of the back surface of the guide wall 122 at both ends of the upper shaft 178 (see FIG. 2).
The deflecting body 172 is plate-shaped and can advance and retreat to the coin path 106 which is slightly closer to the guide rail 104 than the guide edge 164 of the diameter selecting body 156 through the arc-shaped opening 180 of the guide wall 122. Curved to 106 curvature.
As shown in FIG. 1, the pseudo small-diameter coin SC can be quickly removed from the coin path 106 by pushing the upper end side surface of the small-diameter pseudo coin SC close to the diameter selecting body 156 by the deflecting body 172.
Since the tip 172T (see FIG. 6) of the deflecting body 172 is inclined with respect to the coin passage 106, when the deflecting body 172 is positioned in the coin passage 106, the coin C inserted from the insertion slot 134 is laterally moved. It is guided and receives a force pushed out from the coin passage 106.
A first weight 182 as first urging means 174 is attached to the back surface side of the guide wall 122 of the deflecting body 172, and the deflecting body 172 is clockwise with a predetermined force in FIG. Receive a moment.

As a result, the deflecting body 172 normally protrudes into the coin passage 106 with a predetermined moment.
Therefore, when the genuine coin C rolls along the guide rail 104, the upper end side surface thereof is guided by the guide surface 160 of the diameter selecting body 156 and the guide surface 127 of the third main body 126, and therefore moves in the coin path 106. .
When the small-diameter fake coin SC rolls on the guide rail 104, its upper end side surface is not guided by the guide surface 160 of the diameter selector 156, so it is brought down to the drop opening 152, dropped from the guide rail 104, and rejected. Rejected through 185.
Since the first biasing body 174 only needs to apply a biasing force to the deflecting body 172, a spring can be used instead of the weight.
However, the use of a weight is preferable because the individual variations are small and the quality is stable.

Next, the moving direction changing means 112 will be described with reference to FIG. 1, FIG. 3, and FIG.
The movement direction changing means 112 is disposed downstream of the coin passage 106 and has a function of changing the movement direction of the coin C in a different direction with respect to the coin passage 106.
In this embodiment, the coin C is guided by the moving direction changing means 112 to the coin detection path 114 that is offset with respect to the coin path 106 (see FIG. 4).
As will be described later, the coin detection passage 114 is offset rearward (back side of the guide wall 122) with respect to the coin passage 106, and is further inclined in the second plane P2 inclined with respect to the coin passage 106 (see FIG. 7A). Is located.

The moving direction changing means 112 includes a guide body 186.
As shown in FIG. 10, the guide body 186 is formed in an L-shaped cross section by a substantially horizontal elongated rectangular guide plate 186T and a substantially vertical passive piece 186P, and the guide plate 186T is inclined on the extension line of the guide rail 104. In FIG. 1, it is inclined downward to the right, and one end of the front side end is rotatably attached to a support shaft 192, which is a pivot shaft, via a bearing (not shown).
The support shaft 192 is attached to a fifth bearing 194 projecting laterally from the guide wall 122 and a sixth bearing 196 projecting from the vicinity of the right side wall 125.
As shown in FIG. 7, the support shaft 192 forms an obtuse angle with respect to the coin passage 106 in plan view.
A second weight 202, which is a second urging body 198, is fixed to a passive piece 186P that extends downward on the opposite side of the support shaft 192 of the guide body 186.
As a result, the guide body 186 receives a counterclockwise moment around the support shaft 192 in FIG. 10, the back surface of the passive piece 186P is prevented from rotating by the stopper 197 formed on the second body 118, and the upper surface of the guide plate 186T is It is held at the standby position SP1 located on the extension of the guide rail 104.
The second urging body 198 can also be changed to other urging means such as a spring, but it is preferable to use the second weight 202 because there are few individual variations.
As shown in FIG. 10, the tip of the guide plate 186T is rounded downward, is formed in a square sawtooth 204 shape, and is positioned at the standby position SP1, than the thickness of the genuine coin C between the guide wall 122 and the guide wall 186T. It is set to form a small gap.
Therefore, when the guide plate 186T is positioned at the standby position SP1, the coin C cannot pass to the coin detection path 114.
By forming this gap, the guide body 186 is smoothly rotated.

When the coin C rolled in the coin passage 106 is placed on the guide plate 186T, the guide body 186 is rotated clockwise in FIG. 10 by the weight of the coin C and tilted downward.
When the guide body 186 is inclined downward, the distance between the front end of the guide plate 186T and the guide wall 122 can be larger than the thickness of the genuine coin C.
As a result, the coin C slides on the guide plate 186T and falls into the coin detection path 114.
Further, since the guide plate 186T forms an obtuse angle with respect to the coin passage 106, the coin C collides with the guide plate 186T at an obtuse angle.
Therefore, since the guide plate 186T is inclined downward to exhibit a toe-up inclination with respect to the coin C, the guide plate 186T is inclined not only by the weight of the coin C but also by the movement of the coin C.
As a result, the coin C can smoothly move to the coin detection path 114.
Further, the coin C is slid toward the guide wall 122 by the inclined guide plate 186T, in other words, laterally.
As a result, even if subsequent coins C are linked, the movement direction changing means 112 can move without jamming.

Next, the coin detection passage 114 will be described with reference to FIGS.
The coin detection passage 114 has a function of guiding the genuine coin C whose movement direction has been changed by the movement direction changing means 112 in a predetermined direction, and further, a coin sensor 116 for detecting the coin is arranged.
The coin detection passage 114 is disposed downstream of the coin passage 106 and is disposed on a substantially vertical plane different from the coin passage 106.
In other words, the coin detection passage 114 is disposed in the substantially flat second plane P2 that is offset from the coin passage 106 toward the guide wall 122.
In this embodiment, as shown in FIG. 7, the coin detection passage 114 is disposed in a second plane P <b> 2 that is substantially vertically inclined with respect to the coin passage 106.
The moving direction changing means 112 is disposed at the upper end portion of the coin detection passage 114.
The coin detection passage 114 is defined by a detection passage guide wall 210, an arc-shaped detection portion guide rail 212 protruding laterally from the detection passage guide wall 210, and an inner surface 213 of the second main body 118, as shown in FIG. Curved downward, the downstream end is a longitudinal slit-shaped outlet 214 that opens substantially perpendicular to the right side wall 125.
The detection path guide wall 210 is positioned in a second plane P2 that is inclined with respect to the coin path 106 until it passes through a coin sensor 116 described later, and the guide surface 154 of the coin path 106 immediately before the shutter means 120 described later. It is formed so as to be located in the same plane.
Note that the coin detection passage 114 may be parallel to the coin passage 106 without being inclined.

Next, the coin sensor 116 will be described with reference to FIGS.
The coin sensor 116 has a function of detecting the genuine coin C that rolls in the coin detection path 114.
As the coin sensor 116, a transmissive photoelectric sensor, a reflective photoelectric sensor, a magnetic sensor, a contact sensor, or the like can be used, and a plurality of coin sensors are preferably arranged.
This is because by determining the output order of the detection signals, etc., it is possible to determine fraud due to the insertion of a fraudulent instrument inserted from the insertion port 134 or the reject passage 185.
In the present embodiment, the coin sensor 116 is constituted by a plurality of sensors of different types, that is, a transmission type photoelectric sensor 216 and a magnetic sensor 218.
In the case of using different types of sensors, in order to perform fraud, there is an advantage that fraud is made more difficult because false detection must be performed corresponding to different sensors.
In the transmissive photoelectric sensor 216 disposed on the upstream side, a light projecting unit and a light receiving unit are disposed with the coin detection passage 114 interposed therebetween.
The magnetic sensor 218 disposed adjacent to the downstream side has a coil disposed with the coin detection passage 114 interposed therebetween.
When the guide plate 186T is pulled up by the threaded coin C, the passive piece 186P is locked by the stopper 197, and the progress is stopped at the standby position SP1 on the extension of the guide rail 104, the transmission photoelectric sensor 216 and The magnetic sensor 218 is arranged in a positional relationship for maintaining the coin C detection state.
Thereby, when the photoelectric sensor 216 and the magnetic sensor 218 simultaneously output detection signals for a predetermined time or more, it can be detected that there is an abnormality.

Next, the canceling means 119 will be described with reference to FIGS.
The cancel unit 119 has a function of canceling the genuine coin C that has passed through the authenticity determination unit 108 so as not to proceed to the coin detection path 114.
The cancel means 119 includes a cancel piece 222 and an electromagnetic actuator 224.
The cancel piece 222 can move forward and backward in the coin passage 106 above the guide body 186, and is fixed to the output shaft 228 of the rotary solenoid 226, which is an electromagnetic actuator 224 that is appropriately excited.
When the rotary solenoid 226 is demagnetized, it is rotated clockwise as shown in FIG. 7B by the repulsive force of the magnet built in the cancel piece 222.
When the turning force in the clockwise direction by the built-in magnet is small, it can be biased by a spring or the like.
As a result, the protrusion 252 formed integrally with the cancel piece 222 abuts against the back surface of the guide wall 122 and the guide edge 254 of the cancel piece 222 is held at the cancel position CP that crosses the coin path 106.
Therefore, the coin C rolling on the guide rail 104 is deflected laterally by the guide edge 254 and dropped from the guide body 186.
At this time, the coin C is placed on the guide body 186, but the coin C is deflected to the support shaft 192 side of the guide body 186 by the guide edge 254 before it gets on the guide body 186, so that the guide body 186 is against the moment. The guide plate 186T holds the standby position SP1.
Therefore, the coin C falls from the guide body 186 and is canceled through the cancel path 256 in front of the second main body 118.

A moving direction changing portion guide 258 is formed continuously with the protrusion 252.
Specifically, a horizontal portion and a vertical portion that extends downward are formed above the protrusion 252, and this vertical portion is the moving direction changing portion guide 258.
Therefore, the moving direction changing portion guiding body 258 to above the cancellation piece 222 of the guide member 186 is disposed sandwiched laterally the coin passage 106.
When the cancel piece 222 is positioned at the standby position SP2, the moving direction changing portion guide body 258 is positioned to the side of the coin passage 106 and guides the coin C not to fall from the guide body 186.
The standby position SP2 is held by the movement direction changing portion guide 258 being locked by a stopper protruding from the guide wall 122.
When the cancel piece 222 is located at the cancel position CP, the moving direction changing unit guide body 258 is separated from the coin passage 106 and does not disturb the coin C falling from the guide body 186.

Next, the shutter means 120 will be described with reference to FIGS.
The shutter unit 120 has a function of preventing insertion of a fraudulent instrument from the outlet 214 into the coin detection passage 114.
The shutter means 120 of this embodiment includes a shutter body 262.
The shutter body 262 has a plate shape of a crank shape in plan view (see FIG. 9), and can move forward and backward in the coin detection path 114 between the coin sensor 116 and the outlet 214.
As shown in FIG. 8, the shutter body 262 is rotatably attached to a seventh bearing 264 and an eighth bearing 266 that protrude to the front side of the second main body 118.
The seventh bearing 264 has a downward cylindrical shape and is inserted into a shaft hole 272 formed at the upper end of the end of the shutter body 262.
The eighth bearing 266 is a conical protrusion and is fitted in a conical shaft hole 274 formed at the lower end of the end of the shutter body 262.
The cone angle of the conical protrusion of the eighth bearing 268 is formed smaller than the cone angle of the conical shaft hole 274, and the rotation resistance of the shutter body 262 is further reduced.
The axes of the seventh bearing 264 and the eighth bearing 286 are arranged on the same axis as shown in FIG. 1 and are perpendicular to the extending direction of the coin detection passage 114 in front view, in other words, the rolling direction of the coin C. It is arranged to make.

Therefore, the shutter body 262 is attached obliquely to the main body 102 as shown in FIG. 1, and receives a moment around the axis line by the position of its center of gravity.
The shutter body 262 is set to rotate counterclockwise in FIG. 9 by the self-moment.
In other words, the front end 262T of the shutter body 262 normally rotates toward the coin detection passage wall 210 and is in contact with the bottom of the receiving groove 268 formed in the coin detection passage wall 210 with a predetermined force.
At this time, the tip 262T is inclined toward the downstream side in the coin movement direction in the coin detection passage 114.
Thereby, when the coin C rolls in the coin detection passage 114, the tip 262T of the shutter body 262 is pushed by the rolling coin C and rotated clockwise in FIG. 9, and the coin C moves to the exit 214. be able to.
At this time, since the shutter body 262 receives the rotational force from the direction orthogonal to the rotation axis by the coin C, it can rotate smoothly.
Therefore, the coin C passes through the shutter body 262 without jamming in the coin detection path 114.
When a fraudulent instrument is inserted from the outlet 214, the shutter body 262 is pushed on the inclined surface and is pushed counterclockwise in FIG. 9, so that the tip 262T of the shutter body 262 is pressed against the receiving groove 268 with a greater force. The above progress is prevented.
In other words, the shutter body 262 continues the shielding position of the coin detection path 114.
Therefore, the coin sensor 116 is not cheated by the instrument inserted from the outlet 214.

Next, the operation of the embodiment will be described.
When the game machine or the like equipped with the coin selector 100 is not in the accepting state of the coin C, the rotary solenoid 226 is demagnetized, so that the cancel piece 222 is rotated clockwise by the suction of the built-in magnet, and FIG. ), The cancel position CP that has advanced into the coin path 106 is held.
When the genuine coin C is inserted into the insertion slot 134, the coin C rolls on the guide rail 104 while being guided on both sides by the guide surface 154, the guide surface 127 of the third main body 126, and the guide surface 160 of the diameter selector 156. Then, the cancel piece 222 is reached.
The coin C is guided by the guide edge 254 of the cancel piece 222 that crosses the coin passage 106 before being placed on the guide plate 186T, is deflected to the support shaft 192 side of the guide plate 186T, and is dropped to the cancel passage 256.

Next, a case where the coin selector 100 is in the coin C acceptance state will be described.
In other words, as shown in FIG. 7 (A), the rotary solenoid 226 is excited and the cancel piece 222 is retracted from the coin path 106.
First, a case where a genuine coin C is inserted will be described.
The genuine coin C rolls on the guide rail 104 and reaches the authenticity determination unit 110.
In the diameter selecting means 110 that is the authenticity determination unit 108, the genuine coin C is deflected in the lateral direction by the tip 172T of the deflecting body 172 that crosses the coin passage 106.
However, since the upper end side surface of the genuine coin C is guided by the guide surface 160 of the diameter selector 156 and the lower end side surface is guided by the guide surface 127 of the third main body 126, the coin C falls down the authenticity determination unit 110. Pass through without reaching the guide 186.
The guide body 186 receives a moment in the clockwise direction of the support shaft 192 in FIG. 3 by the genuine coin C riding on the guide plate 186T, and rotates.
Thus, the guide plate 186T is rotated clockwise in FIG. 10 by the weight of the genuine coin C and the moment generated by the collision of the coin C.
Therefore, the genuine coin C slides on the guide body 186 and moves to the coin detection passage 114 offset in the lateral direction with respect to the coin passage 106, and rolls on the detection unit guide rail 212.
Since the coin C rolling on the detection unit guide rail 212 blocks the transmitted light of the photoelectric sensor 216, the photoelectric sensor 216 outputs a detection signal, and immediately after that, the magnetic sensor 218 also detects the metal coin and outputs the detection signal. Output.
These detection signals are used for counting genuine coins C and the like.
Further, the genuine coin C pushes the shutter body 262, rotates it clockwise in FIG. 9, passes through the shutter means 120, and is taken into the game machine from the outlet 214.

Next, a case where a small-diameter fake coin SC is inserted will be described.
In the authenticity determination unit 110, the upper end side surface of the small-diameter fake coin SC is not guided by the diameter selector 156.
Therefore, since the upper end portion of the small-diameter false coin C is pushed out to the drop opening 152 by the pushing force from the lateral direction of the deflecting body 172, the coin C turns over and falls from the guide rail 104 to the reject passage 185, and is rejected. Is done.

Next, a case where a large-diameter fake coin is inserted will be described.
The large-diameter fake coin is sandwiched between the peripheral edge of the mounting base 159 and the guide rail 104 and cannot roll on the coin path 106.
In this case, the third main body 126 is rotated around the first shaft 138 and the second shaft 142 by pushing the driven piece 153 so as to push it into the paper surface in FIG.
As a result, an interval greater than the thickness of the coin C is formed between the end surface of the guide rail 104 of the third main body 126 and the guide surface 154, and the upper surface of the guide rail 104 is inclined downward, so that it cannot move. Coin C falls and is rejected.

Next, a case where an illegal instrument is inserted into the insertion port 134 will be described.
Even when the fraudulent instrument is inserted along the coin path 106, it is necessary to advance to the coin detection path 114 located on a different plane P2 that is offset from the coin path 106.
However, in order to advance the fraudulent instrument in a narrow range to the offset coin detection path 114, the fraudulent instrument must have great flexibility, and it is extremely difficult. You cannot proceed to
Therefore, the coin sensor 116 cannot be cheated by the cheating tool inserted from the insertion slot 134.
In addition, even if an attempt is made to tie a string to the genuine coin C and turn the coin sensor 116 ON or OFF, when the coin C is pulled up, the coin C is locked to the guide body 186, and the guide body 186 is rotated counterclockwise in FIG. Turn to.
As a result, the guide body 186 can rotate to the standby position SP1 on the extension of the guide rail 104.
Therefore, since the coin C is continuously detected for a predetermined time or more by the photoelectric sensor 216 and the magnetic sensor 218 as described above, the hanging of the coin C can be detected and an alarm can be issued. I can not.

Next, a case where a fraudulent instrument is inserted into the outlet 214 will be described.
When a fraudulent instrument is inserted into the outlet 214, the tip 262T of the shutter body 262 is moved counterclockwise in FIG. 9 by the instrument, so that the tip is pressed against the bottom of the receiving groove 268 and the coin detection passage 114 is shielded. Will continue.
Therefore, the fraudulent instrument inserted into the outlet 214 cannot be used to cheat the coin sensor 116.

FIG. 1 is a front view of a coin selector according to an embodiment of the present invention. FIG. 2 is a rear view of the coin selector according to the embodiment of the present invention. FIG. 3 is an exploded perspective view of the coin selector according to the embodiment of the present invention. FIG. 4 is a front view of the coin selector according to the embodiment of the present invention with the second main body and the third main body removed. FIG. 5 is a rear view of the third main body of the coin selector according to the embodiment of the present invention. 6 is a cross-sectional view taken along the line AA in FIG. FIGS. 7A and 7B are cross-sectional views taken along the line BB in FIG. 1. FIG. 7A is a time when a coin is received, and FIG. 7B is a time when a coin is canceled. 8 is a cross-sectional view taken along the line CC in FIG. 9 is a cross-sectional view taken along the line DD in FIG. FIG. 10 is a cross-sectional view taken along line EE in FIG.

C coin
106 Coin passage
108 Authenticity discrimination means
116 coin sensor
120 Shutter means
264, 266 spindle
262 plate

Claims (1)

In a coin selector that detects the passage of the coin based on a signal from a coin sensor (116) arranged downstream of the authenticity determination means (108) formed along the coin path (106) along which the coin (C) moves. ,
A coin selector, characterized in that shutter means (120) that allows passage of the coin in the rolling direction but does not allow passage in the reverse direction is disposed in the coin passage downstream of the coin sensor.