JP4981761B2 - Medal backflow preventer for elevator-type medal delivery device - Google Patents

Description

  The present invention relates to a medal backflow preventer for an elevator-type or lift-type medal sending device installed in various machines such as a gaming machine, a medal lending machine, a money changer, and a change machine using medal.

As a medal backflow (falling) preventer of this seed medal sending device, there are a sharp downward wedge space as shown in Japanese Patent Laid-Open No. 2001-216553 and Japanese Patent No. 4088708, and a ball enclosed in the inside. Such a mechanism is known, and is provided for the convenience of maintenance inspection and repair work in the medal delivery device.
JP 2001-216553 A Japanese Patent No. 4088708

  However, if the above-mentioned patent document 1 is given as a representative example, the ball (20) of the coin drop preventer (17) is stored in the long vertical groove (23) of the ball holder (21). If various foreign substances such as metal powder and dust accumulate on the inner bottom of the vertical groove (23), the ball (20) will cause poor rolling and will not be able to hold the coin (2) stably, making it durable. Inferior.

  In addition, there is only one ball (20), and the inclination angle (α) that keeps the longitudinal groove (23) in the downward sharp wedge space is also difficult to set optimally. As long as the circumferential surface of 20) does not necessarily make point contact with the coin (2) on the vertical center line of the escalator (6), the holding force of the coin (2) is reduced.

  Furthermore, since the long vertical groove (23) of the ball cage (21) is in a fully open state behind it and communicates with the inside of the escalator (6), and the ball (20) rolls freely inside thereof, It is difficult to quickly and conveniently attach the coin fall preventer (17) to the escalator (6).

  SUMMARY OF THE INVENTION The present invention aims to improve such a problem, and in order to achieve the object, according to claim 1, a cam escape length that can communicate with a medal see-through window opened in a medal elevator of an elevator medal feeder. A mounting base board with holes cut out;

  By being pivotally attached via a horizontal eccentric shaft to a bearing wall that projects forward from the mounting base plate, the outer peripheral cam surface is always stretched rearward through the cam escape slot of the mounting base plate. It consists of a plate cam

By deviating the eccentric shaft of the plate cam from the center of the virtual circle in the plate cam by a predetermined distance, and at the same time, by deviating by a certain distance downward,

When the above mounting base panel is mounted and fixed to the medal elevator from the front, the plate cam that protrudes to the medal passage of the medal elevator is in a state of being lowered downward by its own gravity, and the medal push-up conveyance along the medal passage is performed. It is characterized by allowing but not allowing backward flow.

According to a second aspect of the present invention, the outer peripheral cam surface of the plate cam projecting to the medal passage of the medal elevator is cut out by a line segment shorter than the diameter line of the imaginary circle of the plate cam, and an upwardly inclined flat surface, As a horizontal ridge line intersecting with the arc surface remaining after the notch, the ridge line is determined to be locked to the medal.

In claim 3, the mounting base plate is made of synthetic resin, and the stainless steel plate cam pivotally attached to the bearing wall is projected upward by an arc-shaped elastic stopper protruding upward from the lower end of the mounting base plate. It is characterized by being elastically received and regulated from.

Further, in claim 4, a plate cam pivotally attached to the bearing wall of the mounting base plate, a cam escape slot cut out in the mounting base plate, and a medal see-through window opened in the medal elevator, It is characterized by being installed in parallel as a pair of left and right that correspond and match each other.

According to the above configuration of claim 1, even if the vertical medal elevator is removed from the medal delivery rail side of the elevator-type medal sending device and separated, the medals present in the medal passage of the medal elevator remain on the plate of the medal backflow preventer. Since the cam is held in a state where it is not dropped out, there is an effect that operations such as maintenance, inspection and repair of the elevator medal delivery device can be performed quickly and conveniently.

In addition, the medal backflow preventer plate cam is maintained in an installation state in which it always falls back and forth with its own gravity, with an eccentric shaft deviated forward and downward (obliquely forward and downward) from the center of the virtual circle. Since it is locked to the medal sent out along the medal passage of the elevator, it is possible to perform the backflow prevention action of the medal more stably.

In particular, if the configuration of claim 2 is adopted, the horizontal ridge line of the back-up inclined flat surface and the circular arc surface in the plate cam is locked to the flat one surface of the medal. In addition to the improvement of the upper holding force, the medal conveyed along the medal passage of the medal elevator has the effect of being able to guide it smoothly in the upward direction without hindrance by the flat rear surface of the plate cam. is there.

Further, if the configuration of claim 3 is adopted, even if the swinging motion of the plate cam with the eccentric shaft as a fulcrum becomes defective due to the adhesion of dust or other foreign matter, the plate cam The elastic stopper that urges the back pressure from the front and upper side of the front can make the plate cam lock operation with respect to the medal without any trouble, which helps to improve the durability.

Furthermore, if the configuration of claim 4 is adopted, the pair of left and right plate cams swing separately and act in a superimposed manner on one flat surface of the medal. Even if a movement failure occurs, there is an effect that can be compensated by the remaining plate cam, and the reliability and durability of the medal backflow prevention performance are reduced.

Hereinafter, the specific configuration of the present invention will be described in detail with reference to the drawings. FIGS. 1 and 2 show an overall outline of the elevator-type or lift-type medal delivery device according to the present invention, and FIG. For example, about 30 degrees) (α) is a metal mounting table having a rear-facing inclined top plate (1), and a flat surface of the inclined top plate (1) has a synthetic resin hopper tank for receiving medals. While (2) is detachably attached, a perforated rotating disk drive motor (3) is fixedly installed on the back surface of the inclined top plate (1).

An output shaft (4) of the drive motor (3) passes through the inclined top plate (1), and a medal delivery hole rotating disk (R) fitted and integrated to the inclined top plate (1) from the front side includes It faces the circular open bottom of the hopper tank (2).

Finally, the perforated rotating disk (R) has a plurality of medal receiving holes (5) having an opening distribution in a radially symmetric distribution type, and a plurality of projecting backwards from between adjacent medal receiving holes (5). The arc-curved blade (6) is provided, and the medal (C) taken into the medal taking-in hole (5) is pushed in the direction indicated by the arrow (A) in FIG. The medals are sent out from the inclined top plate (1) of the table (F) to a medal sending chute (S) projecting in a continuous back-up arc shape.

(7) is a medal turning guide pin for guiding the medal (C) to the entrance of the medal sending chute (S), and (8) and (9) are a pair of left and right of a medal sending guide roller and a separate roller, It faces the positional relationship across the entrance of the medal delivery chute (S).

As shown in FIG. 3, the medal delivery chute (S) is a rear rail plate (10) that is abutted against the inclined top plate (1) of the mounting base (F), and the inclined top plate (1). Left and right side spacers (13) attached to both the left and right rail plates (10) via a pair of left and right fixing screws (11) and (12), and separate fixing screws to both side spacers (13). It is composed of a front rail plate (15) attached in a covered state via (14), and a medal passage (P1) having a substantially rectangular cross section is defined inside the assembly.

In that case, the screw holes (16), (17), and (18) for screw escape corresponding to the fixed screws (11), (12), and (14) are formed in both side spacers (13) in the left-right direction (horizontal direction). The opening width (W1) of the medal passage (P1) can be adjusted to be wide or narrow according to the size (diameter) of the medal (C). In addition, it is also possible to cope with the thickness change of the medal (C) by adjusting the plate thickness of both side spacers (13).

Further, (E) is a vertical medal elevator connected to the upper end portion (exit portion) of the medal delivery chute (S) through a connection fitting (19) in an added state, and the perforated rotating disk The medal (C) pushed forward and sent out by (R) is continuously guided upward from the exit portion of the medal sending chute (S), and a gaming machine or medal lending machine from the upper end portion of the medal elevator (E), It is designed to be paid out to other various machines. (20) is a payout medal detection unit attached to the upper end (exit part) of the medal elevator (E), and detects the medal (C) and counts the number of payouts.

As shown in FIGS. 1, 2, and 4, the medal elevator (E) includes a rear rail plate (21), a front rail plate (22), and left and right side spacers (23) interposed between the rear rail plate (21) and the left and right side spacers (23). A medal passage (P2) having a substantially rectangular cross section is defined which can be assembled through a pair of fixing screws (24) and can correspond to the medal passage (P1) on the medal delivery chute (S) side.

In that case, the fixing screw (24) of the medal elevator (E) passes from the front rail plate (22) through the screw escape hole (25) of both side spacers (23) to the screw hole ( 26) and screw escape holes (25) opened on both side spacers (23) are also screw escape holes (16) on the medal delivery chute (S) side. (17) As with (18), the opening width (W2) of the medal passage (P2) can be adjusted to be wide or narrow as an elongated oval shape in the left-right direction (horizontal direction).

Further, (27) is opened as an elongated elliptical shape in the vertical direction only on the front rail plate (22) of the medal elevator (E) or on both the front rail plate (15) and the rear rail plate (21). A pair of distributed medal see-through windows, from which the medal (C) in the medal passage (P2) can be seen through without omission.

In the illustrated embodiment, the connection bracket (19) between the medal delivery chute (S) and the medal elevator (E) is a channel-shaped steel plate in a plan view, and is then in close contact with the rail plates (10) (21). In addition to the screw hole (28) screwed and fastened to the medal delivery chute (S) side fixing screw (14), the medal elevator (E) side fixing screw (24) is screwed and fastened to the rear face The screw hole (29) is also formed correspondingly, but as long as it is a fitting (19) between the medal delivery chute (S) and the medal elevator (E), its configuration can be freely selected.

Next, (M) shows the medal at the time of maintenance / inspection where the vertical medal elevator (E) is removed and separated from the medal delivery chute (S) side projecting in an upward arc shape after the mounting base (F). A medal backflow preventer for preventing the medal (C) from falling off from the medal passage (P2) of the elevator (E), and a synthetic resin mounting base board (30) as shown in FIGS. It consists of a stainless steel plate cam (31) supported on this.

That is, the mounting base board (30) of the medal backflow preventer (M) has a rectangular shape extending in the left-right direction (horizontal direction) when viewed from the front, and fixed screws on the medal elevator (E) side at the left and right ends. A pair of screw escape communication fool holes (32) that can correspond to the fool holes (25) for letting out (24) is also formed in an elongated elliptical shape in the horizontal direction.

(33) is a bearing wall formed by projecting forward and integrally as two sets, which are paired on the left and right from the middle part of the mounting base board (30), and is a plate cam interposed between the opposing left and right of each set. A pair of (31) is pivotally attached to the bearing wall (33) by a common horizontal eccentric shaft (34). Reference numeral (35) denotes a pair of left and right bearing bosses that support both ends of the eccentric shaft (34), and projects from the mounting base board (30) forward and integrally.

Further, between the left and right of the bearing walls (33) facing each other on the mounting base plate (30), a pair of cam escape slots (36) is the medal see-through window (27) on the medal elevator (E) side. The opening is formed as an elongated ellipse in the vertical direction that can correspond to the above.

On the other hand, each of the plate cams (31) is substantially D-shaped when viewed from the side, and is a rearwardly inclined flat surface (a) cut away by a line segment shorter than the diameter line of the virtual circle, and remains after the cutout. An outer peripheral cam surface comprising an arcuate surface (b) is provided, and the outer peripheral cam surface is a mounting base plate with an eccentric shaft (34) located obliquely forward and downward from the center (O) of the virtual circle as a fulcrum. The outer peripheral cam surface is attached only when the plate cam (31) is pushed up against its own weight while it is in a normal state to protrude rearward from the cam escape slot (36) of (30). The base board (30) is retracted forward.

Speaking further from the relationship between the eccentric shaft (34) of the plate cam (31) and the medal elevator (E), the position of the eccentric shaft (34) is forward from the center (O) of the virtual circle as shown in FIG. It is deviated by a certain distance (L) in the direction away from the medal passage (P2) of the medal elevator (E), and at the same time, it is also deviated by a certain distance (Y) downward. The cam (31) is lowered by its own gravity around the fulcrum of the eccentric shaft (34), and the rearward inclined flat surface (a) of the outer peripheral cam surface is connected to the medal passage (P2) of the medal elevator (E). Combined with the fact that it faces, the medal (C) can be pushed up and conveyed smoothly.

(T) is the thickness of the plate cam (31), and (XX) is the cam surface of the plate cam (31), and then the rising flat surface (a) and the remaining arc surface (b) intersect. A horizontal ridge line is shown, and a ridge line (XX) extending by a thickness (T) of the plate cam (31) is formed as a locking portion of the plate cam (31) with respect to the medal (C). It protrudes backward from the long hole (36) for cam escape of a mounting base board (30).

Further, (37) is an elastic stopper which is bent and projected integrally from the lower end of the mounting base board (30) to the front and upper side as an arc shape surrounding the arc surface (b) of the plate cam (31), When the plate cam (31) is pushed up and retracted forward, the arc surface (b) is elastically received and restricted.

As shown in the illustrated embodiment, the elastic stopper (37) is gradually thinned as it protrudes forward and upward from the lower end of the mounting base board (30), and the protruding tip (upper end) is formed. It is preferable to hollow as a cylindrical shape. If it does so, combined with being the molded article from a synthetic resin, an effective elastic force can be urged | biased to the said plate cam (31) with the elastic stopper (37).

The medal backflow preventer (M) has a screw escape burr on the medal elevator (E) side from the screw escape communication hole (32) of the mounting base board (30) as shown in FIGS. Through a hole (25), a pair of left and right long fixing screws (24) screwed and fastened to a screw hole (26) of the rear rail plate (21), preferably in the vicinity of the lower end of the medal elevator (E) (above It is attached and integrated with the medal delivery chute (S) at a height position closest to the connection fitting (19).

In the mounted state of the medal backflow preventer (M), as shown in FIG. 17, the plate cam (31) passes from the cam escape slot (36) of the mounting base board (30) to the medal elevator (E) side medal. Through the see-through window (27), it projects rearwardly into the medal passage (P2), and the rearwardly inclined flat surface (a) of the outer peripheral cam surface faces the medal passage (P2) in a partitioned state. The medal (C) sent from the medal passage (P1) of the medal sending chute (S) by the disk (R) is continuously pushed up and conveyed along the medal passage (P2) of the vertical medal elevator (E) without any trouble. Will be.

Moreover, as is apparent from FIGS. 7 and 18, the medal (C) being pushed up and conveyed is a back-up inclined flat surface (a) and an arcuate surface (b) that form the outer peripheral cam surface of the plate cam (31). The horizontal ridge line (XX) of the crossing is elastically pressed against the rear rail plate (21) on the medal elevator (E) side, so that there is no possibility that the medal (C) flows backward. .

As a result, even if the medal elevator (E) is removed from the medal delivery chute (S) side and separated when performing maintenance / inspection or repair of the medal delivery device, the medal passage (P2) of the medal elevator (E) is separated. As shown in FIG. 19, the medal (C) present in the bracket is received and held from below by the circular arc surface (b) of the plate cam (31), and never falls out and falls.

When it is necessary to release the pressed state of the medal (C) as shown in FIGS. 7 and 18, the above-mentioned plate is pulled by pulling the elastic stopper (37) of the medal backflow preventer (M) forward. The cam (31) may be retracted from the medal (C). Then, the medal (C) can be quickly extracted downward from the medal elevator (E).

In the illustrated embodiment, the medal see-through window (27) on the medal elevator (E) side, the plate cam (31) of the medal backflow preventer (M), the cam escape slot (36), and the elastic stopper (37) ) Etc. are formed as a pair on the left and right, but these may be installed one by one or two or more. When the number of the plate cams (31) is one, it is desirable to increase the thickness (T).

The medal backflow preventer (M) may be used not only at one place of the medal elevator (E) but also at two or more places.

It is a front view of the elevator type medal sending device concerning the present invention. It is a side view of FIG. It is an enlarged front view of the state which removed the hopper tank and medal elevator from FIG. FIG. 4 is an enlarged cross-sectional view taken along line 4-4 of FIG. It is a perspective view which extracts and shows the connection metal fitting of FIG. It is an enlarged front view which extracts and shows the connection part of the medal sending chute and medal elevator of FIG. It is an expanded sectional view which follows the 7-7 line of FIG. FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 7. It is a slope view which extracts and shows a medal backflow preventer. FIG. 10 is a plan view of FIG. 9. It is a front view of FIG. It is a side view of FIG. FIG. 12 is a bottom view of FIG. 11. FIG. 14 is a cross-sectional view taken along line 14-14 of FIG. It is a front view which extracts and shows the plate cam of FIG. FIG. 16 is a side view of FIG. 15. It is sectional drawing which shows the push-up conveyance state of the medal along the medal passage of a medal elevator. FIG. 18 is a cross-sectional view showing a state where a medal is pushed up and conveyed following FIG. It is sectional drawing which shows the fall prevention state of a medal.

(1) · Inclined top plate (2) · Hopper tank (3) · Drive motor (4) · Motor output shaft (5) · Medal take-in hole (6) · Arc-curved blade (7) · Medal turning guide pin ( 8) ・ Medal delivery guide roller (9) ・ Separate roller (10) (21) ・ Rail rail plate (11) (12) (14) (24) ・ Fixing screw (13) (23) ・ Side spacer (15) (22) Front rail plate (16) (17) (18) (25) Fool hole (19) Connection bracket (20) Medal detection unit (26) (28) (29) Screw hole (27)・ Medal see-through window (30) ・ Mounting base panel (31) ・ Plate cam (32) ・ Communication fool hole (33) ・ Bearing wall (34) ・ Eccentric shaft (35) ・ Bearing boss (36) ・ Cam relief Long hole (37), elastic stopper (C) Medal (E), Medal Elevator (F), Mounting Base (O), Center of Virtual Circle (R), Drilled Rotating Disc (S), Medal Delivery Chute (P1) (P2), Medal Path (W1) ( W2) ・ Opening width (a) ・ Back-up inclined flat surface (b) ・ Arc surface (XX) ・ Horizontal ridgeline (medal locking part)

Claims (4)

A mounting base board (30) in which a cam escape slot (36) that can be in communication with the medal see-through window (27) opened in the medal elevator (E) of the elevator medal delivery device is cut out;
The outer peripheral cam surface of the mounting base plate (30) is pivoted to the bearing wall (33) projecting forward from the mounting base plate (30) via a horizontal eccentric shaft (34). It consists of a plate cam (31) that always protrudes backward through the long hole for cam escape (36),
The eccentric shaft (34) of the plate cam (31) is deflected forward from the center (O) of the virtual circle in the plate cam (31) by a fixed distance (L), and at the same time, it is also moved downward by a fixed distance (Y). By biasing only
In use the mounting fixed from the front said mounting base plate (30) to the medal elevator (E), the plate cam to exit tension to medal passage (P2) of the medal elevator (E) (31) is lowered after its own weight force becomes installation state, also allows the push-up conveying medal (C) along its medal passage (P2), medals backflow prevention elevator type medal delivery device, characterized in that defined as not allowed backflow downward vessel. After the outer peripheral cam surface of the plate cam (31) protruding to the medal passage (P2) of the medal elevator (E) is cut away by a line segment shorter than the diameter line of the virtual circle in the plate cam (31) As a horizontal ridgeline (XX) where the inclined flat surface (a) and the arcuate surface (b) remaining after the notch intersect, the ridgeline (XX) is locked to the medal (C). The medal backflow preventer for an elevator-type medal delivery device according to claim 1, wherein the medal backflow preventer is defined . The mounting base board (30) is made of synthetic resin, and a stainless steel plate cam (31) pivotally attached to the bearing wall (33) is projected upward from the lower end of the mounting base board (30) and bent. The medal backflow preventer for an elevator-type medal delivery device according to claim 1, characterized in that the arc-shaped elastic stopper (37) is elastically received and restricted from the front upper side . A plate cam (31) pivotally attached to the bearing wall (33) of the mounting base plate (30), a cam escape slot (36) cut out in the mounting base plate (30), a medal elevator ( The medal backflow preventer of the elevator type medal sending device according to claim 1, wherein the medal see-through windows (27) opened in E) are arranged in parallel as a pair of left and right corresponding to each other .

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