JP5013360B2 - Prize ball payout device - Google Patents

Description

  The present invention relates to a configuration of a prize ball payout device in a gaming machine such as a pachinko machine.

  As a configuration of a conventional prize ball payout device in a gaming machine such as a pachinko machine, for example, in the invention described in Patent Document 1, in a pachinko ball payout machine (prize ball payout device) used in a pachinko machine pedestal machine, etc. The ball cutter is arranged on one side of the ball guide path extending in the vertical direction so that the rotation axis is horizontal. An output shaft of a drive motor disposed on one side of the ball cutter is projected upward in parallel with the ball guide path, a worm gear is attached to the output shaft, and the worm gear is attached to the ball cutter. An arrangement in which the transmission gear rotates integrally with the board is disclosed.

On the other hand, in Patent Document 2, a screw-shaped prize ball discharge is provided in the vicinity of a prize ball discharge port for discharging a prize ball downward after guiding a lower end portion of a ball guide path for a prize ball extending in the vertical direction in the horizontal direction. A configuration is disclosed in which a rotating body is arranged such that its rotational axis extends vertically, and this prize ball discharge rotating body is directly attached to an output shaft protruding downward in a drive motor (step motor).
Japanese Patent Laid-Open No. 10-314439 (FIG. 1) JP 2001-353313 A (see FIGS. 1 and 2)

  By the way, in the prize ball dispensing device, it is necessary to stop immediately after a predetermined number of prize balls have been dispensed by a prize ball dispensing command signal. For this purpose, control is performed so that the drive motor is suddenly stopped. Must. Further, as a recent trend, it is required to quickly pay out a predetermined number of prize balls.

  Furthermore, as a recent trend, the back side of the pachinko machine has a lot of necessary space for an accessory, the installation space for the prize ball payout device is reduced, and the prize ball payout device is downsized. Is required.

  However, in the configuration of Patent Document 1, a worm gear is attached to the output shaft of the drive motor, and this worm gear is meshed with a transmission gear that rotates integrally with the ball cutter. The reduction ratio with respect to Therefore, there is a problem that the prize ball discharge speed cannot be increased unless the rotational speed of the drive motor is increased (fast). In addition, when the ball cutting machine is arranged in parallel with the ball guide path, there can only be an arrangement in which the worm gear meshes with the transmission gear adjacent to the ball cutting machine, and the axis of the drive motor is offset with respect to the ball guide path. It is necessary and the diameter of the drive motor is considerably large, so that the depth dimension (thickness dimension, overall dimension along the direction in which the horizontal axis of the ball cutter extends) cannot be reduced. There was a problem.

  On the other hand, in the configuration of Patent Document 2, since the prize ball discharge rotating body is directly attached to the vertical output shaft of the drive motor (step motor), the rotation is stopped immediately after discharging a predetermined number of prize balls. The step motor must be set to have a large static torque and the diameter of the step motor must be increased. Therefore, the depth dimension (thickness dimension, step motor) The size of the entire device in the direction perpendicular to the output axis of the ball is substantially equal to the diameter of the step motor which is considerably larger than the depth of the ball guide path, and there has been a problem that the prize ball payout device cannot be reduced in size.

  A first object of the present invention is to provide a prize ball payout device capable of forming a small depth dimension by adopting a layout in which the direction of the output shaft of the drive motor and the arrangement of the prize ball guide path are devised. A second object is to simplify the wiring structure connected to the drive motor and the counting sensor for counting the number of prize balls to be paid out.

In order to achieve the above object, a prize ball payout device according to a first aspect of the present invention includes a drive motor having an output shaft extending in a horizontal direction, and the output shaft on at least one side of an outer periphery of the drive motor. Power is transmitted from the drive motor to the prize ball payout rotator, the prize ball guide rotator extending in the vertical direction perpendicular to the axis of the prize ball, one prize ball payout rotator arranged on the side of the prize ball guide path A vertical axis that pivotally supports the prize ball payout rotating body extends perpendicularly to the axis of the output shaft, and the transmission mechanism extends from the output shaft to the vertical axis. A pair of bevel gears including a first bevel gear and a second bevel gear is provided between the shafts, and the prize ball guide path is formed on a base that supports the drive motor, and pivotally supports the pair of bevel gears. the support plate is mounted on the base, a vertical piece of the support plate Is supported by a horizontal shaft that pivotally supports the first bevel gear on the upstream side of the power transmission, and the horizontal piece of the support plate is provided with the prize ball dispensing rotating body that rotates integrally with the second bevel gear on the downstream side of the power transmission. The upper end of the vertical axis that supports the shaft is supported, and the lower end of the vertical axis is supported by the base .

According to a second aspect of the present invention, in the prize ball dispensing device according to the first aspect, the prize ball guiding path, the transmission mechanism, and the prize ball dispensing rotary body are the drive motors in the axial direction of the output shaft. Are arranged within the thickness dimension.

According to a third aspect of the present invention, there is provided the prize ball payout device according to the first or second aspect, wherein the transmission mechanism includes a first transmission gear fixed to the output shaft and a shaft that is rotatably supported by the horizontal shaft. A second transmission gear that is directly or indirectly transmitted from the first transmission gear, a first bevel gear that rotates integrally with the second transmission gear, and the prize ball paying-off rotating body. And a second bevel gear that rotates in a straight line .

According to a fourth aspect of the present invention, in the prize ball payout device according to any one of the first to third aspects, a pair of the prize ball guiding paths are provided so as to surround the outer circumferences on the left and right sides of the drive motor, At a position below the drive motor, the pair of prize ball guiding paths have a pair of parallel discharge passages that are positioned within a width in the left-right direction of the drive motor and extend downward.

According to a fifth aspect of the present invention, in the prize ball payout device according to the fourth aspect, the one prize ball payout rotating body arranged between the pair of discharge passages has a rotation axis line of the two discharge passages. Are arranged in parallel with the extending direction of.

According to a sixth aspect of the present invention, in the prize ball dispensing device according to any one of the first to fifth aspects, a mounting plate is attached to the surface of the base so as to cover one side of the prize ball guiding path. It is configured.

According to a seventh aspect of the present invention, in the prize ball payout device according to the sixth aspect, a counting sensor for counting the number of prize balls that pass through each of the discharge passages is provided on a circuit board, and the circuit board includes: Together with the cover made of a metal plate covering the one surface side, at least a part is contact-fixed on the surface of the mounting plate, and the ground is taken.

According to an eighth aspect of the present invention, in the prize ball payout device according to the seventh aspect , the circuit board includes a relay connector for supplying power to the drive motor, and the wiring for the counting sensor and the drive Wiring for supplying power to the motor is integrated into one aggregation connector so that contact with the outside is possible.

According to a ninth aspect of the present invention, in the prize ball dispensing device according to the seventh or eighth aspect , the counting sensor is a light blocking type, and the light blocking path is set substantially parallel to the plane of the circuit board. It is what.

As described above, the prize ball payout device according to the first aspect of the present invention includes the drive motor having the output shaft extending in the horizontal direction and the axis of the output shaft on at least one side of the outer periphery of the drive motor. A prize ball guiding path extending in a direction perpendicular to the prize ball, a single prize ball paying rotator disposed on the side of the prize ball guiding path , and for transmitting power from the drive motor to the prize ball paying rotator. Since the transmission mechanism is provided, the depth dimension of the award ball payout device as a whole can be shortened and made compact.

According to the first aspect of the present invention, the axis of the vertical axis that pivotally supports the prize ball paying-off rotating body extends perpendicularly to the axis of the output shaft, and the transmission mechanism is connected to the output shaft. Since a pair of bevel gears composed of a first bevel gear and a second bevel gear is provided between the vertical axes , power is transmitted to the winning ball payout rotating body extending in a direction perpendicular to the axis of the output shaft. This is advantageous in that the transmission mechanism can be configured in a compact manner.

According to the invention described in claim 2, that the said prize ball guideway with the transmission mechanism and the prize ball payout rotary member, disposed within the thickness dimension of the drive motor in the axial direction of said output shaft Thus, the depth dimension of the entire prize ball payout device can be further shortened.

According to the invention described in claim 1, wherein the prize ball guideway is formed on a substrate for supporting the driving motor, the support plate for supporting the pair of the bevel gears is mounted on the substrate, of the support plate The vertical piece supports a horizontal shaft that supports the first bevel gear on the upstream side of power transmission, and the horizontal piece of the support plate pays off the prize ball that rotates integrally with the second bevel gear on the downstream side of power transmission. Since the upper end portion of the vertical axis that supports the rotating body is supported and the lower end portion of the vertical axis is supported by the base body, the axes of the support shafts of both bevel gears are aligned (both axes are The accuracy of intersecting at right angles can be improved, and the meshing accuracy of the bevel gear pair can be improved.

According to the invention described in claim 4 , a pair of the winning ball guiding paths are provided so as to surround the outer circumferences of the left and right sides of the driving motor, and the pair of winning ball guiding paths are positioned below the driving motor, Since it is formed in a pair of parallel discharge passages that are positioned within the width in the left-right direction of the drive motor and extend downward, one prize ball payout rotating body is awarded from both prize ball guide paths. It can be used for the ball discharge operation, and can contribute to the speeding up of the payout speed of the prize ball and the miniaturization of the prize ball payout apparatus as a whole.

According to the fifth aspect of the present invention, the one prize-ball paying-off rotating body arranged between the pair of discharge passages is arranged so that the rotation axis thereof is parallel to the extending direction of the two discharge passages. Therefore, it is possible to prevent the prize ball payout rotating body from protruding in the thickness direction of the base body as much as possible, and to reduce the depth dimension of the entire prize ball payout apparatus and to make it compact.

According to the sixth aspect of the present invention, since one side surface of the prize ball guiding path is configured by mounting a mounting plate on the surface of the base body, this also further increases the prize ball payout device. The depth dimension can be shortened.

According to a seventh aspect of the present invention, a counting sensor for counting the number of prize balls passing through each of the discharge passages is provided on a circuit board, and the circuit board is a metal plate cover that covers one side of the circuit board. Since at least a part of the body is fixed to the surface of the mounting plate in contact with the body and the grounding is taken, the installation of the counting sensor at a predetermined position of the base can be completed by simply attaching the circuit board, and the grounding Therefore, there is an effect that the assembling work of the parts can be extremely easily performed.

According to the invention described in claim 8 , the circuit board is provided with a relay connector for supplying power to the drive motor, and wiring for the counting sensor and wiring for supplying power to the drive motor are provided. Since it is configured such that it can be brought into contact with the outside by being integrated into one aggregation connector, there is an effect that wiring work for the prize ball payout device can be extremely easily performed.

According to the ninth aspect of the present invention, the counting sensor is of a light blocking type, and the light blocking path is set substantially parallel to the plane of the circuit board. There is an effect that the depth dimension of can be shortened.

  Next, the best mode for embodying the present invention will be described. 1 is a front view of a first embodiment of a prize ball payout device, FIG. 2 is an exploded perspective view of the first embodiment of the prize ball payout device, FIG. 3 is a bottom view, and FIG. 4 is a front view with a mounting plate removed. FIG. 5, FIG. 5 is a sectional view taken along line VV in FIG. 1, FIG. 6 is an exploded perspective view of a second embodiment of the prize ball dispensing device, and FIG. 7 is a driving motor, a prize ball dispensing rotator, and a transmission mechanism on the base body. FIG. 8 (a) is a front view of FIG. 7, FIG. 8 (b) is a sectional view taken along line VIIIb-VIIIb of FIG. 8 (a), 9A is a perspective view of the assembled state, FIG. 9B is a bottom view, FIG. 10A is a front view of the assembled state, and FIG. 10B is Xb-Xb of FIG. 10A. 11A is a rear view, FIG. 11B is a left side view of FIG. 11A, FIG. 12A is a perspective view of the circuit board on which the counting sensor is attached, FIG. (B) is the same as FIG. It is a front view of (a).

  A prize ball dispensing apparatus 1 according to the present invention includes a base 2 integrally formed in a substantially rectangular shape in front view by injection molding or the like made of a synthetic resin material, and a circular shape formed at the center of the base 2. The mounting hole 3 is provided with a drive motor 4 arranged with the output shaft 4a in the horizontal direction, and a prize ball payout rotating body 6 that is rotated below the drive motor 4 via a transmission mechanism 5 described later.

  The base body 2 in the first embodiment has a pair of left and right prize ball guiding paths 7a and 7b that are recessed so as to open to the front surface side (wide surface), and the front surface side (wide surface) of the base body 2 Is covered with a mounting plate 9 such as a metal plate so as to cover the open surfaces of the winning ball guiding paths 7a and 7b, and is detachably attached to the base 2 with screws 10. The pair of prize ball guiding paths 7a and 7b are formed so as to surround the periphery of the mounting hole 3 in a front view of the base 2 (see FIGS. 2 and 4). In other words, the pair of winning ball guiding paths 7 a and 7 b are provided so as to surround at least the left and right sides of the outer periphery of the main body 4 a of the drive motor 4, and at a position below the drive motor 4, the diameter of the main body 4 a of the drive motor 4 ( It is formed so as to be located within the width of the left and right and extend downward. More specifically, in the present embodiment, a vertical introduction portion 71 that opens on the upper surface of the base 2, and an upper side of the rectangular frame portion 2 a that communicates with the introduction portion 71 and surrounds the attachment hole 3. An upper passage 72 extending along the upper passage 72, and an upper and lower passage 73 extending vertically along the vertical side of the frame portion 2a. It consists of a discharge passage 74 that gathers and extends vertically downward and opens in the lower surface of the base 2. As another embodiment, the upper and lower passages 73 may be formed so that the upper end thereof is an introduction portion that opens to the upper surface of the base 2.

  The output shaft 4a of the drive motor 4 extends in the horizontal direction so as to be orthogonal to the vertical path 73 (in other words, the downward transfer direction of the prize ball 11) in the prize ball guiding paths 7a and 7b. Further, the screw-like prize ball payout rotating body 6 is arranged at the center so as to divide the discharge passage 74 on the left and right. Naturally, the prize ball payout rotating body 6 is disposed within the range of the depth dimension H1 (see FIG. 5) of the prize ball guiding paths 7a and 7b. By rotating the prize ball payout rotating body 6, the prize balls 11 in both the right and left prize ball guiding paths 7a and 7b can be discharged alternately. More specifically, the diameter of the base portion of the prize ball payout rotating body 6 is formed to be as thin as the diameter of the prize ball 11, and a collar portion that forms a spiral ball receiving surface 6a is integrally formed around the diameter. Has been. The spiral ball receiving surface 6a is formed so that the upper part has a feed pitch smaller than the diameter of the prize ball 11 but a feed pitch slightly larger than the diameter as it goes downward.

  The drive motor 4 employed in the present embodiment is a PM type step motor, and outputs an output signal of a predetermined number of pulses when instructed to pay out a predetermined number of prize balls. The drive motor 4 stops immediately by continuing to output the final pulse of this output signal for a slightly longer time, and even if the signal output is turned off thereafter, the state is maintained with the static torque of the drive motor 4 itself. It is configured.

  The rotational force of the drive motor 4 is transmitted to the prize ball payout rotator 6 via a transmission mechanism 5 described later. In the present embodiment, the transmission mechanism 5 includes a first transmission gear 16 fixed to the output shaft 4 a of the drive motor 4, a second transmission gear 18 that meshes with the first transmission gear 16, and a second transmission gear 18. A first bevel gear 19 that is integrally formed on the back surface side and that rotates integrally, and a second bevel gear 20 that is rotatably provided on the vertical axis 12 that is supported in the vertical direction on the support plate 15. Is provided. The first transmission gear 16 and the second transmission gear 18 are spur gears.

  The base end of the horizontal shaft 17 is fixed to a vertical piece of a U-shaped support plate 15 fixed to the lower front surface of the frame portion 2a of the base 2 with screws 14, and the second transmission gear 18 is connected to the horizontal shaft 17 Is pivotally supported. The first bevel gear 19 and the second bevel gear 20 are arranged so that their rotational axes are orthogonal to each other (see FIG. 5). The base portion of the second bevel gear 20 is firmly fitted into the upper portion of the insertion hole of the prize ball payout rotator 6 so that the prize ball payout rotator 6 and the second bevel gear 20 rotate integrally. .

  The winning ball payout rotating body 6 and the second bevel gear 20 are rotatably supported with respect to the longitudinal axis 12, the lower end portion 12 a of the longitudinal axis 12 having a circular cross section is cut into a D shape, and the lower end portion 12 a is formed on the base 2. It fits into the mounting hole 13 drilled in the lower piece 2b (see FIG. 5). Between the lower end 12 a of the vertical axis 12 and the lower piece 2 b of the base 2, a thrust bearing member such as a washer for reducing the rotational resistance of the winning ball payout rotator 6 and the backlash of the second bevel gear 20. A wave washer (disposed below the washer) is inserted. The upper end of the vertical axis 12 passes through the second bevel gear 20 and is supported by a mounting hole (not shown) in the lower piece of the support plate 15.

  In this way, by attaching the mounting hole of the horizontal shaft 17 and the mounting hole of the vertical axis 12 in advance to one support plate 15, the axis of the horizontal shaft 17 and the axis of the vertical axis 12 are perpendicular to each other. The crossing accuracy can be improved, and the meshing accuracy between the first bevel gear 19 and the second bevel gear 20 can be improved.

  In the first embodiment, the speed ratio of the transmission mechanism 5 is set so that the prize ball payout rotator 6 rotates once for each rotation of the output shaft 4a of the drive motor 4, but the unit of the output shaft 4a It is arbitrary to set the speed ratio of the transmission mechanism 5 so as to increase or decrease the speed of the prize ball payout rotating body 6 as compared with the number of rotations per hour. In order to increase the winning ball payout speed, the transmission mechanism 5 should be increased. The flange portion 4b protruding in the radial direction from the front surface of the main body 4c of the drive motor 4 is preferably fastened with a screw 23 while being sandwiched between the mounting plate 9 and the base 2. In the lower part of the base 2, light-shielding type counting sensors (photo interrupters) 22 a and 22 b for detecting the number of prize balls discharged for each of the right and left two-row discharge passages 74 and 74 are provided. In the first embodiment, for example, the light emitting portions of the counting sensors (photo interrupters) 22a and 22b are connected to the base 2 so that the optical paths of the counting sensors 22a and 22b are parallel to the thickness direction of the base 2. On the front surface, the light receiving portion is disposed on the back surface of the base 2. Therefore, the case of each counting sensor (photo interrupter) 22a, 22b is mounted so as to straddle the back surface of the base 2 and the outside of the mounting plate 9 on the front surface side of the base 2 (see FIGS. 2 to 5).

  In the above configuration, the diameter of the pachinko ball (prize ball) is usually 11 mm. Therefore, the thickness dimension (depth dimension) of the base 2 including the thickness of the members such as walls forming the prize ball guiding paths 7a and 7b is included. ) H2 (see FIG. 5) is preferably about 15 mm.

  Further, when the output shaft 4a of the drive motor 4 is made horizontal in order to shorten the depth dimension of the prize ball payout device 1 and make it compact, the prize ball guiding paths 7a and 7b extend in the vertical direction. It can implement | achieve by arrange | positioning along the outer periphery of the drive motor 4 while arrange | positioning. The dimension of the thickness of the drive motor 4 in the axial direction of the output shaft in the claims means not only the depth dimension of the main body 4c of the drive motor 4, but also the dimension to the tip of the output shaft 4a in addition to the main body 4c. Shall. Therefore, it is assumed that the transmission mechanism 5 also fits within the thickness dimension of the drive motor 4 in the axial direction of the output shaft in the claims. However, when the depth dimension of the main body 4c of the drive motor 4 is extremely thin, it is possible that a part of the diameter of the prize ball payout rotating body 6 protrudes from the depth dimension.

  In order to further reduce the depth dimension of the entire prize ball payout device 1, the prize ball guiding paths 7a and 7b are preferably formed in the depth dimension H3 (see FIG. 5) of the main body 4c of the drive motor 4. In addition, below the place where the drive motor 4 is disposed on the base body 2, the prize ball payout rotator 6 is disposed within the depth dimension H 3 of the main body 4 c of the drive motor 4 so that the rotation axis thereof is vertical, and the output By disposing a pair of bevel gears in the transmission mechanism 5 from the shaft 4a to the prize ball payout rotator 6, power can be transmitted to the prize ball payout rotator 6 extending in a direction perpendicular to the axis of the output shaft 4a. The transmission mechanism 5 can be configured compactly (see FIG. 5).

  Further, by covering one side surface of the winning ball guiding paths 7a and 7b formed so as to open on one side (front surface) of the base body 2 with the mounting plate 9, the shape and depth dimensions of the winning ball guiding paths 7a and 7b are also increased. It can be set accurately.

  By configuring the mounting plate 9 with a thin metal plate, the effect becomes more prominent, and in addition, it can be expected to bring many secondary effects such as a heat radiating plate of the motor 4 and blocking of electric noise. As another embodiment, the motor 4 and the support plate 15 may be fixed not to the base 2 but to the mounting plate 9 with screws or the like.

  A second embodiment of the prize ball payout device 1 is shown in FIGS. In this embodiment, the shape and depth dimension of the pair of left and right prize ball guiding paths 7a, 7b formed on the base body 2 ', which is an injection molded product made of synthetic resin, are substantially the same as those in the first embodiment. . A drive motor 4 is disposed in a circular mounting hole 3 formed at the center of the base body 2 ′ with the output shaft 4 a set in the horizontal direction, and its flange portion 4 b is connected to the base body 2 ′ by a screw 23. Fixed. Below the drive motor 4 is arranged a prize ball payout rotating body 6 'which is rotated via a transmission mechanism 5'.

  The main differences between the first embodiment and the second embodiment are that the base 2 ', the winning ball payout rotating body 6' and the mounting plate 9 'are slightly changed in shape, the structure of the transmission mechanism 5', and the counting. This is a mounting structure of the sensor 30. Accordingly, parts having the same configurations in the first embodiment and the second embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  The difference between the base body 2 ′ and the first embodiment is a portion related to the mounting of the transmission mechanism 5 ′, the prize ball payout rotating body 6 ′, and the counting sensor 30. That is, since the length of the prize ball payout rotating body 6 'is shortened, the lower support portion 24 that supports the lower end of the longitudinal axis 12 is formed in a horizontal shape in the middle in the vertical direction of the discharge passage 74 in the prize ball guiding paths 7a and 7b. (Refer to FIG. 6, FIG. 7, FIG. 8 (a) and FIG. 8 (b)).

  As for the transmission mechanism 5 ′, a first transmission gear 16 fixed to the horizontal output shaft 4 a of the drive motor 4, an intermediate gear 25 that meshes with the first transmission gear 16, and a second gear that meshes with the intermediate gear 25. The transmission gear 18 is vertically supported by the first bevel gear 19 that is integrally formed on the back surface side of the second transmission gear 18 and rotates integrally, the support plate 15, and the lower support portion 24. And a second bevel gear 20 rotatably provided on the vertical axis 12.

  The first transmission gear 16, the intermediate gear 25, and the second transmission gear 18 are each configured by a spur gear. In the embodiment, only the intermediate gear 25 has a larger diameter than the first transmission gear 16 and the second transmission gear 18. Is formed. The base end of the horizontal shaft 17 is fixed to a vertical piece of a U-shaped support plate 15 fixed to the lower front surface of the frame portion 2a of the base 2 with screws 14, and the second transmission gear 18 is connected to the horizontal shaft 17 Is pivotally supported. The first bevel gear 19 and the second bevel gear 20 are arranged so that their rotational axes are orthogonal to each other (see FIG. 8B). The base portion of the second bevel gear 20 is firmly fitted into the upper portion of the insertion hole of the prize ball payout rotator 6 'so that the prize ball payout rotator 6' and the second bevel gear 20 rotate integrally. ing.

  The intermediate gear 25 is rotatably attached to the surface side of a metal plate attachment plate 9 'via a support shaft 26 in advance (see FIG. 6). Further, since the mounting plate 9 ′ is provided with through holes 27 a and 27 b through which the first transmission gear 16 and the second transmission gear 18 having small diameters can pass, respectively, the drive motor 4 with the first transmission gear 16. Is fixed to the base 2 'in advance, while the award ball paying-off rotating body 6', the second transmission gear 18, the first bevel gear 19 and the second bevel gear 20 are fixed in advance via the support plate 15. By attaching the plate 9 'to the surface of the base 2', the transmission mechanism 5 'can be easily assembled. In addition, what is necessary is just to change the gear ratio of the 1st transmission gear 16 and the intermediate | middle gear 25 about the deceleration of the rotational speed from the drive motor 4 in the transmission mechanism 5 'to the prize ball payout rotary body 6'.

  Since the first transmission gear 16, the intermediate gear 25, and the second transmission gear 18 are exposed on the surface side of the mounting plate 9 ', they are covered with the gear cover body 28, and the transmission mechanism 5' is damaged due to adhesion of dust and dirt. It is possible to prevent a decrease in transmission efficiency.

  Next, the mounting structure of the counting sensor 30 will be described. As shown in FIGS. 8 (a), 12 (a), and 12 (b), the number of prize balls discharged for each pair of left and right discharge passages 74, 74 in which the prize ball payout rotating body 6 'is disposed. The light-shielding type counting sensor 30 for detecting the light is composed of a pair of a light emitting unit 30a and a light receiving unit 30b, and is attached to one side (surface) of a circuit board (printed circuit board) 31 made of glass epoxy resin or the like. ing. The optical path from the pair of light emitting units 30a to the light receiving unit 30b is parallel to one side (surface, plane) of the circuit board 31, and orthogonal to the downward movement path of the prize ball 11 in each discharge passage 74. Is set to be horizontal.

  On one side (front surface) of the circuit board 31, there is one relay connector 32 for supplying power to the drive motor 4, wiring for the counting sensor 30 and wiring for supplying power to the drive motor 4. An aggregation connector 33 is provided. On the other side (back surface) of the circuit board 31, circuit wiring (not shown) for connecting the relay connector 32 and the aggregation connector 33, and the light emitting unit 30a and the light receiving unit 30b and the aggregation connector 33, respectively, are connected. Circuit wiring (not shown) is formed. The first and aggregation connectors 32 and 33 are female in the embodiment. The aggregation connector 33 is arranged with an opening facing one end of the circuit board 31. The relay connector 32 is detachably connected with a contact (not shown) at the tip of the power supply wiring connected to the drive motor 4. A contact provided at the tip of a wiring (flexible flat cable or the like) 34 (see FIG. 9B) extending from a control board provided on the back surface of the pachinko machine (not shown) can be detachably connected to the aggregation connector 33. Is.

  As shown in FIG. 7 and FIG. 8 (a), a storage recess 35a that can store the light emitting part 30a and the light receiving part 30b of each counting sensor 30 is provided at a place between the pair of discharge passages 74, 74 in the base 2 '. , 35b, 35c, and 35d are formed on the surface of the base 2 '. On the other hand, an insertion hole 36a into which a pair of light emitting portions 30a of the counting sensor 30 can be inserted is formed in the left and right central portions on the lower side of the mounting plate 9 ', and a pair of light receiving portions 30b can be arranged on both left and right sides thereof. A notch 36b is provided (see FIG. 6).

  By constructing as described above, the drive motor 4, the prize ball payout rotating body 6 'and a part of the transmission mechanism 5' (first transmission gear 16, support plate 15, second transmission gear 18, After the first bevel gear 19 and the second bevel gear 20) are assembled in advance, the surface of the base 2 'is covered with a mounting plate 9' to which the intermediate gear 25 is previously mounted, and then mounted with a plurality of screws 10. The plate 9 'is fixed to the base 2'. Next, the circuit board 31 is disposed on the lower surface side of the mounting plate 9 '. At this time, the pair of light receiving portions 30b are disposed in the storage recesses 35a and 35c through the insertion holes 36a, and the pair of light receiving portions 30b are disposed in the storage recesses 35b and 35d through the notch portions 36b. The aggregation connector 33 opens to one side of the base body 2 ′ (see FIGS. 9A and 11B). Since an engagement portion 39 bent in an L shape is formed at the upper end of the attachment plate 9 ', the attachment plate 9' is engaged with an engagement claw 40 provided on the upper end surface of the base 2 '. Work can be facilitated (see FIGS. 6, 7, and 10A).

  In this state, the surface side of the circuit board 31 is covered with a cover body 37 made of a metal plate, and the cover body 37, the circuit board 31 and the mounting plate 9 ′ are combined into one fastening screw 38. And integrally fastened to the base 2 '. The grounding portion of the circuit board 31 is in electrical communication with the metal mounting plate 9 ′ via the fastening screw 38. The three contact portions of the cover body 37, the circuit board 31, and the mounting plate 9 'may be at least a part of the respective surfaces, and the grounding can be surely taken even if the parts are fixed to each other. Further, by covering the circuit board 31 with the cover body 37 made of a metal plate, it is possible to block the noise influence due to external electrostatic induction and electromagnetic induction.

  As described above, the intermediate gear 25 as a part of the transmission mechanism 5 'is attached to the mounting plate 9' in advance, and the first transmission gear 16, the intermediate gear 25, and the second transmission gear 18 are constituted by spur gears. As a result, the assembly work of the transmission mechanism 5 'can be performed very easily.

  Further, the optical path from each light emitting unit 30a to the light receiving unit 30b in the pair of counting sensors 30 attached to the circuit board 31 is provided so as to be parallel to one side (surface, plane) of the circuit board 31. As a result, the pair of counting sensors 30 can be disposed within the thickness of the base body 2 ', so that the thickness of the entire prize ball payout device 1 can be reduced.

  Further, the circuit board 31 aggregates the relay connector 32 for supplying power to the drive motor 4, the wiring for the counting sensor 30, and the wiring from the relay connector 32 for supplying power to the drive motor 4. By providing the aggregation connector 33 for this purpose, there is an effect that wiring work with an external control device can be easily performed.

  In both of the first and second embodiments, a pair of prize ball guiding paths 7 a and 7 b are provided so as to surround the outer circumferences on both the left and right sides of the diameter of the main body 4 c of the drive motor 4. Since the motor 4 is positioned so as to extend within the width in the left-right direction and extend downward, the prize balls are discharged from both the prize ball guide paths 7a and 7b. It can be used for operation, and can contribute to speeding up of the winning ball payout speed and miniaturization.

  In the first and second embodiments, the prize ball guiding paths 7a and 7b are formed on both the left and right sides so as to surround the main body 4c of the drive motor 4, but only one prize ball guiding path may be used.

It is a front view of 1st Embodiment of a prize ball payout apparatus. It is a disassembled perspective view of 1st Embodiment of a prize ball payout apparatus. It is a bottom view of a prize ball payout device. It is a front view of the state which removed the attachment plate. It is a VV arrow directional cross-sectional view of FIG. It is a disassembled perspective view of 2nd Embodiment of a prize ball payout apparatus. (A) is a rear view of the prize ball payout device, and (b) is a left side view of FIG. 7 (a). (A) is a front view with the mounting plate removed, and (b) is a cross-sectional view taken along the line VIIIb-VIIIb in FIG. 8 (a). (A) is a perspective view of the assembled state of 2nd Embodiment of a prize ball payout apparatus, (b) is a top view of Fig.9 (a). (A) is a front view of the assembled state of 2nd Embodiment of a prize ball payout apparatus, (b) is Xb-Xb arrow directional cross-sectional view of Fig.10 (a). (A) is a rear view of the assembled state of the second embodiment of the prize ball payout device, (b) is a left side view of FIG. 11 (a). (A) is a perspective view of the inner surface side of a circuit board, (b) is a perspective view of the surface side.

1 prize ball dispensing device 2, 2 'base 3 mounting hole 4 drive motor 5, 5' transmission mechanism 6, 6 'prize ball dispensing rotator 7a, 7b prize ball guiding path 9, 9' mounting plate 11, prize ball 12 vertical axis 15 support plate 16 first transmission gear 18 second transmission gear 19 first bevel gear 20 second bevel gears 22a, 22b, 30 counting sensor 25 intermediate gear 28 gear cover body 30a light emitting unit 30b light receiving unit 32 relay connector 33 aggregation connector 37 Cover body

Claims (9)

A drive motor arranged so as to extend the output shaft in the horizontal direction, the vertical direction extending prize balls guide path perpendicular to the axis of the output shaft at least one side of the outer periphery of the driving motor, the winning balls taxiway One prize ball payout rotator disposed on the side, and a transmission mechanism for transmitting power from the drive motor to the prize ball payout rotator,
An axis of a vertical axis that pivotally supports the prize ball payout rotating body extends in a perpendicular direction perpendicular to the axis of the output shaft,
The transmission mechanism includes a pair of bevel gears including a first bevel gear and a second bevel gear between the output shaft and the vertical axis.
The prize ball guiding path is formed on a base that supports the drive motor,
A support plate that pivotally supports the pair of bevel gears is attached to the base body ,
A horizontal shaft that supports the first bevel gear on the upstream side of the power transmission is supported on the vertical piece of the support plate, and the horizontal piece of the support plate rotates integrally with the second bevel gear on the downstream side of the power transmission. The upper end of the vertical axis that pivotally supports the prize ball payout rotating body is supported, and the lower end of the vertical axis is supported by the base body.
Prize ball payout device. And the prize ball guideway said The transmission mechanism and the prize ball payout rotary member, wherein is disposed within the thickness dimension of the drive motor in the axial direction of the output shaft, prize balls paid out according to claim 1 apparatus. The transmission mechanism includes a first transmission gear fixed to the output shaft, a second transmission gear rotatably supported on the horizontal shaft and directly or indirectly transmitted from the first transmission gear; The prize ball payout device according to claim 1 or 2 , comprising a first bevel gear that rotates integrally with the second transmission gear, and a second bevel gear that rotates integrally with the prize ball payout rotating body. . A pair of the winning ball guiding paths are provided so as to surround the outer circumferences on both the left and right sides of the drive motor, and at a position below the driving motor, the pair of winning ball guiding paths are within a lateral width of the driving motor. The prize ball payout device according to any one of claims 1 to 3, further comprising a pair of parallel discharge passages positioned and extending downward . 5. The prize ball payout according to claim 4 , wherein the one prize ball payout rotating body arranged between the pair of discharge passages is arranged so that a rotation axis thereof is parallel to a direction in which the two discharge passages extend. apparatus. The prize ball payout according to any one of claims 1 to 5, wherein a mounting plate is mounted on a surface of the base so that the mounting plate covers one side open surface of the prize ball guiding path. apparatus. A counting sensor for counting the number of prize balls passing through each of the discharge passages is provided on a circuit board, and the circuit board is at least partly on the surface of the mounting plate together with a metal plate cover body covering one side of the circuit board. The award ball payout device according to claim 6 , wherein the ball is grounded by being fixed in contact . The circuit board includes a relay connector for supplying power to the drive motor, and the wiring for the counting sensor and the power for supplying power to the drive motor are integrated into one aggregation connector to connect to the outside. The prize ball payout device according to claim 7, which is configured to allow contact . 9. The prize ball payout device according to claim 7, wherein the counting sensor is of a light blocking type, and the light blocking path is set substantially parallel to a plane of the circuit board .

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