JPH0737659Y2 - Game ball detection unit for pachinko machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a game ball detection unit for detecting a game ball falling from the game surface into the machine in an arrangement game type pachinko machine.

(Prior Art) In a conventional game ball detection mechanism that detects each game ball falling into a large number of ball receiving ports arranged on the game surface, a large number of detection switches are arranged facing each ball receiving port. There was a problem that the number of installation steps was complicated.

(Problems to be solved by the invention) The present invention has a large number of ball sockets arranged on a game surface, and
It is an object to simplify the assembly of the game ball detection mechanism to the game board by unitizing the game ball detection mechanism equipped with a large number of detection switches for detecting the game ball that has fallen into each ball receiving port. It is a thing.

(Means for Solving the Problem) The device of the present invention is elastically deformed at both ends of a ball receiving case having a plurality of ball receiving openings which are opened with a partition wall and receive game balls on the front side of the game surface. A mounting hole that has a flexible and flexible hooking piece, through which a pair of engaging members coupled to the back surface of the game board are inserted, and the hooking piece is detachably hooked to the hole edge. Plurally installed through the ball receiving case to the back surface of the game board detachably coupled through the both engaging members, respectively, in the ball receiving case to face each of the ball receiving port A plurality of connections for connecting the lead wires respectively connected to the respective game ball detection switches and the printed wiring of the printed circuit board to the printed circuit board attached to the ball receiving case, which accommodates the individual game ball detection switches. A set for connecting terminals to the printed wiring and external wiring A connector is attached, and the ball receiving case has a structure in which the printed circuit board, the connection parts of the game ball detection switches, and the connection terminals are connected to a cover housed inside and isolated from the outside.

(Operation) In the gaming ball detection unit having the above-described configuration, the engaging members are respectively inserted into both mounting holes of the ball receiving case, and the engaging pieces of both engaging members are engaged with the hole edges of both mounting holes. , The ball receiving case, each game ball detection switch is housed in the ball receiving case, the printed circuit board and the cover are attached to the ball receiving case, and the printed circuit board, each connection part of each game ball detecting switch and each connection terminal are covered by the cover. In a state of being isolated from the outside, the game board is assembled and the detection signal of each game ball detection switch is transmitted to the outside through each connection terminal and collective connector.

(Embodiment) Next, an embodiment of the present invention will be described with reference to the drawings.

An arrangement game type pachinko machine in which one game is finished by hitting a certain number (for example, 16) of pachinko balls on the game surface, and the combination of the numbers of the ball sockets in which the game balls have fallen down define the winning conditions. The game board 7 is detachably attached to an opening portion of a front frame (not shown).

The glass frame 4 that opens and closes the game surface 7a of the game board 7 is inserted through the curved bearing portion 41 in the rotation fulcrum-side vertical frame portion 4a, and the front through the shaft rod 38 that is suspended from the front frame. The glass frame 4 is supported so as to be horizontally rotatable, and the left and right vertical frame portions 4a, 4b and the lower frame portion 4c have a U-shaped cross section and a pair of front and rear groove portions 39, 39 are arranged in parallel in the longitudinal direction. It is recessed in a shape. Two pieces of glass 40, 40 are double-fitted in the glass frame 4 in such a manner that both side edges and bottom edges thereof are fitted in both groove portions 39 and are separated from each other in the front / rear direction so as to be taken out upward. . A through hole 69 is opened at the lower end of the vertical frame portion 4a on the side of the rotation viewpoint of the glass frame 4.

On the back side 7b of the game board 7, as shown in FIG. 5, a proximity switch
Electric parts such as 50 and solenoid 51 are attached, and electric parts such as limit switch 53 and LED 54 are attached to the game board 7 in a state in which their respective connection parts are exposed on the back surface 7b.

A rectangular plate-shaped connector board 52 is attached near the upper end of the back surface 7b of the game board 7, and a plurality of distribution connectors 55 to 55 are connected to the distribution board 55 on the back surface of the connector board 52. A relay connector 56 and is attached. The proximity switch 50, the solenoid 51, the limit switch 53, the LED 54, etc. are respectively connected to the distribution connector 56 via the lead wire bundles 58 to 58, and each lead wire bundle 58 has a shape in which both ends are driven into the game board 7. It is fixed to the back surface 7b of the game board 7 by the presser nail 59.

A horizontally long through hole 31 is provided in the lower portion of the game board 7, and a pair of left and right cylindrical fastening members 32, 32 on the left and right sides of the through hole 31 are respectively provided with screws 36. Fastened,
A flexible hooking piece 32 is provided on each of the body portions of the two fastening members 32.
a is formed so as to be elastically deformable in the radial direction, and both locking pieces 32a
The outer edge of the lower end portion of the engaging member 32 is slightly projected to the outside of the outer peripheral surface of the engaging member 32 so as to be elastically retractable inward.

A vertically long support member 13 is attached along the side edge slightly inward of one side edge near the center of the back surface 7b of the game board 7, and on the back surface of the upper and lower end portions of the substrate 13a of the support member 13. Board 1
In order to attach 3a in a state of being separated from the back surface 7b of the game board 7, each leg piece 13b is provided in a projecting manner, and the supporting member 13 has both leg pieces 13b.
It is fastened to the back surface 7b of the game board 7 via the screw 25 inserted in the. The ribs 13c formed on the front surface side of the substrate 13a are respectively provided with protrusions 13d at the upper and lower ends thereof, and the protrusions 13d are provided with bearing holes 14 and 14 having upper ends open.

Near the central portion of the back surface 7b of the game board 7, a substantially cylindrical locking member 15 is attached to the inside of the side edge on the other side so as to be rotatable via a screw inserted into the locking member 15. Has been done. Locking member
A supporting edge 15b is provided in the vicinity of the central portion of the body portion 15a of 15 along the circumferential direction, and a locking member 1 is provided at the tip of the body portion 15a.
A pair of knobs 15c, 15c protruding in opposite directions for rotating 5 is formed.

The back cover 16 that covers the back surface 7b of the game board 7 so as to be openable and closable is formed in a substantially rectangular box shape, and the upper and lower portions of the flange 16a on one side formed along one side edge of the back cover 16 project upward and downward, respectively. A pair of upper and lower support shafts 18 and 18 formed for inserting into both bearing holes 14 of the supporting member 13 so as to be detachable upward are hung on the lower surfaces of the projecting pieces 17 and 17, respectively. Cover 1
6 is cantilevered with respect to the support member 13 through both support shafts 18 and is mounted so as to be horizontally rotatable, and the back cover 16 is slightly lifted to remove both support shafts 18 from both bearing holes 14. The back cover 16 can be removed and the back cover 16 can be removed from the support member 13. Back cover
A pair of upper and lower leg pieces 19 are projectingly provided on the back surface of the upper and lower end portions of the flange portion 16b on the free end side of 16 and the flange portion 16b
In the vicinity of the center part of the locking member 15, a body part 15a of the locking member 15 is inserted and removed, and a center hole 20a formed in a round hole for restricting the insertion of the support edge 15b and both knobs 15c of the locking member 15 are provided. An insertion hole 20 having an upper hole 20b and a lower hole 20c, which are formed in the shape of a square hole for insertion and withdrawal, and are continuously provided at the upper and lower ends of the intermediate hole 20a, is formed through the hole. In order to define the rotation range of the knob 15c of the locking member 15 at the hole edge of the middle hole 20a of the insertion hole 20
A pair of stoppers 21, 21 are provided so as to project in a rotationally symmetrical manner of 180 ° along the circumferential direction.

When the locking member 15 is inserted into the insertion hole 20 with both knobs 15c of the locking member 15 oriented vertically, the middle hole of the insertion hole 20
The hole edge of 20a abuts the bearing edge 15b of the locking member 15 and the back cover
The free end side flange portion 16b of 16 is held in a state of being separated from the back surface 7b of the game board 7, and in this state, when both knobs 15c of the locking member 15 are turned 90 ° to be oriented in the horizontal direction, the insertion hole 2
0 is stopped by both knobs 15c, and the back cover 16 is locked in a closed state in which the back surface 7a of the game board 7 is covered with a gap that allows passage of a pachinko ball. Further, in this state, if both knobs 15c are turned in the opposite direction by 90 ° and oriented in the vertical direction, the retaining state of the insertion hole 20 is released and the back cover 16
The free end side flange portion 16b is released, and the back cover 16 can be rotated to open the back surface 7b of the game board 7.
Further, in this state, the back cover 16 can be removed from the support member 13.

In the game ball detection unit U assembled in the lower part of the game board 7, the horizontally long ball receiving case 11 penetrates the through hole 31 of the game board 7 and is attached to the back surface 7b of the game board 7, and the ball receiving case 11
At the rear end of the game board 7, a horizontally long board 11a is formed vertically, which is attached to the rear of the back surface 7a of the game board 7 with a slight distance therebetween. A large number of switch insertion holes 25 are formed through the board 11a. And arranged in a zigzag pattern in the lateral direction. In front of the board 11a, a lower plate 26 attached to the back surface 7a of the game board 7 and having a height smaller than that of the board 11a, and a bottom plate 27 connected to the upper end of the lower plate 26 and inclined forward and upward. , A large number of partition walls 28 which are erected on the bottom plate 27 at regular intervals over the entire length thereof.
A ball gutter 11b having a base plate 26 and a lower plate 26b.
A pair of upper and lower engaging grooves 37 are formed in parallel with each other along the longitudinal direction on the back surface of the. Between the partition walls 28 of the ball gutter 11b, ball receiving openings 29 to 29 opened to let the game balls fall are respectively formed and arranged in a horizontal row at equal intervals, the front part of each ball receiving opening 29. Is projected in front of the game surface 7a to receive the game balls falling along the game surface 7a, while the rear part of each ball receiving port 29 is for receiving the game balls falling along the back surface 7b of the game board 7. Is projected to the rear of the back surface 7a. A pair of left and right mounting portions 11c, 11c are laterally projected at the left and right ends of the ball receiving case 11,
A mounting hole 30 for inserting the engaging member 32 is formed in each of the mounting portions 11c, and the ball receiving case 11 has both mounting holes.
On the back surface 7a of the game board 7, with the hooking pieces 32a of the two engaging members 32 inserted into the respective 30 being hooked to the hole edges of the two mounting holes 30 so that the two engaging members 32 are prevented from coming off. On the other hand, it is detachably attached via both attachment members 32.

In the lower part of the ball receiving case 11 is housed in the ball receiving case 11 opposite to each ball receiving port 29 in order to detect each game ball that has fallen into each ball receiving port 29 without contact, The same number of game ball detection switches 21 to 21 of the proximity switch type as the ball socket 29 are detachably attached. Each game ball detection switch 21
Are inserted into the switch insertion holes 25 of the ball receiving case 11 and the tips are engaged in the locking grooves 37.
Each of the 11 is supported so that it can be removed backward, and is arranged in a zigzag pattern in the lateral direction. Each game ball detection switch
Detecting ports 21a opened respectively for allowing the game balls to pass through the front part of 21 are respectively arranged immediately below the lower ends of the ball receiving ports 29, while the rear ends of the game ball detecting switches 21 are connected. The portion 21b projects rearward of the substrate 11a.

A printed circuit board 33 having a printed wiring for a game ball detection switch printed on the front side is attached to the upper rear end of the substrate 11a of the ball receiving case 11, and each game ball detection switch 21 is provided on the rear side of the printed circuit board 33. A large number of connection terminals 34 to 34 for connecting the printed wiring of the printed circuit board 33 to the external wiring are connected to the printed wiring of the printed circuit board 33 near the center of the rear side of the printed circuit board 33. A collective connector 35 is attached, and a cover 49 is screwed to the board 11a.

The display plate 42, which is horizontally fitted to the lower end of the glass frame 4 for displaying the number of the ball receiving hole 29 into which the game ball has fallen, and which is formed in the shape of a horizontally long flat box, is between the two glasses 40. It is sandwiched between the vertical frame portions 4a and 4b of the glass frame 4, and is vertically installed on the lower frame portion 4c of the glass frame 4 so that it can be taken out from the lower frame portion 4c. Has been done.

In the display plate 42, the same number of windows 42a to 42a as the number of the ball receiving holes are provided in a rectangular shape so as to be arranged in a horizontal row. Corresponding to the number
The numbers 1, 2, 3 ... 16 are displayed in a horizontal row so as to face the respective window portions 42a. A horizontally long printed circuit board 43 is screwed on the back side of the display board 42, and a ball receiving port 29 is provided on the printed circuit board 43 to notify the number of the ball receiving port 29 into which the game ball has fallen.
The same number of LEDs 44 to 44 as the number of LEDs are mounted and arranged in a horizontal row. Each LED 44 is connected to the printed wiring of the printed circuit board 43, and the tip of each LED 44 projects into each window 42a. A collective connector 45 for collecting the printed wirings of the printed circuit board 43 and connecting the printed wirings to the external wiring is attached to one end of the printed circuit board 43 facing the vertical frame portion 4a of the glass frame 4 on the rotation fulcrum side.

The control board storage box B assembled on the back surface of the back cover 16 includes a control board 23 on which electronic circuits for arrangement games are printed and a box-shaped cover 24 that covers almost the entire surface of the control board 23 in an openable manner. The control board 23 is detachably attached to the back cover 16. A first collecting / delivering connector 46 and a second collecting / delivering connector 47, which are respectively connected to the printed wirings, are attached to the rear surface of the control board 23 along one side edge and the lower end edge of the control board 23. 47 is exposed outside the cover 24.

The relay collector 56 of the collector substrate 52 is a lead wire bundle.
It is connected to the second collection / delivery connector 47 of the control board 23 via 48A, the collection connector 35 of the game ball detection unit U is connected to the second collection / delivery connector 47 via the lead wire bundle 48B, and
The collective connector 45 of the display board 42 is connected to the first collecting and delivering connector 46 via the lead wire bundle 48C, and the detection signal transmitted from each proximity switch 21 of the game ball detecting switch U is the connection terminal 34, the printed board 33, and the collective connector 35. , To the control circuit of the control board 23 via the second collection / delivery connector 47, and from the control circuit of the control board 23 to the first collection / delivery connector 46 and the collection connector.
45, transmitted to each LED44 via the printed circuit board 43, LED44 corresponding to the number of the ball receiving hole 29 in which the game ball has dropped, lights up, and informs the player of the ball receiving number in which each game ball has dropped To do.

Further, the output signals transmitted from the proximity switch 50, the limit switch 53, etc. are transmitted to the control circuit of the control board 23 via the distribution connector 55, the relay connector 56, and the second collection / delivery connector 47, and the solenoid 51, the LED 54, etc. Second pickup and delivery connector 4
Control board 2 via relay connector 56 and distribution connector 55
3 output signals are transmitted.

Next, the operation and effect of the embodiment having the above-mentioned configuration will be described.

In this example, both ends of a ball receiving case 11 having a plurality of ball receiving ports 29 for receiving the game balls on the front side of the game surface 7a, which are opened through the partition walls 28, are elastically deformable and have flexible hooks. Stop
A pair of engaging members 32, which have 32a and are connected to the back surface 7b of the game board 7, are inserted therethrough, and the hooking pieces 32a are respectively provided with attachment holes 30 which are detachably locked to the hole edges. A ball receiving case 11 is detachably coupled to the back surface 7b of the game board 7 via both engaging members 32, and a plurality of ball receiving cases 11 are installed inside the ball receiving case 11 so as to face each other. A plurality of connecting the lead wires respectively connected to the respective game ball detection switches 21 and the printed wiring of the printed circuit board 33 to the horizontally long printed circuit board 33 which is accommodated in the game ball detection switch 21 and attached to the ball receiving case 11. The individual connection terminals 34 and the collective connector 35 for connecting the printed wiring and the external wiring are attached, and the printed circuit board 33, each wire connection portion 21b of each gaming ball detection switch 21, and each connection terminal 34 are attached to the ball receiving case 11. Are connected to a cover 49 which is isolated from the outside and accommodated inside.

Therefore, the ball receiving case 11 can be easily assembled to the game board 7 by simply connecting the ball receiving case 11 and the both engaging members 32 via the mounting hole 30 and the hooking piece 32a. The ball receiving case 11 can be easily removed from the game board 7 by simply disengaging the hooking piece 32a of the engaging member 32 from the hole edges of the both mounting holes 30, and the work for attaching and removing the ball receiving case 11 is simple. It can be made into a ball, and a ball receiving case for the game board 7
The ball receiving case 11 can always be installed at an appropriate position by adjusting and unifying the mounting positions of the balls 11, and the ball receiving ports 29 can be arranged at a proper position all at once.

Further, since the game ball detection switch 21, the printed circuit board 33 and the cover 49 are attached to the ball receiving case 11, each member constituting the ball striking ball detection unit U only by attaching the ball receiving case 11 to the game board 7. Can be collectively installed at a predetermined position, and it is possible to eliminate the number of steps for individually attaching each member constituting the game ball detection switch U to the game board.

Furthermore, since the external wiring and each game ball detection switch 21 can be collectively connected by the collective connector 35,
Wiring work of the game ball detection switch U can be simplified.

In addition, the printed circuit board 33, the wire connection portion 21b of each gaming ball detection switch 21 and each connection terminal 34 can be effectively protected from other members and other electric wiring by isolating them from the outside by a cover. It is possible to eliminate the problem that a short circuit or disconnection occurs when another conductor comes into contact with the printed wiring, the connection portion 21b of the game ball detection switch 21, and the connection terminal 34.

(Effects of the Invention) Since the present invention is configured as described above, the ball receiving case can be easily attached to the game board simply by connecting the ball receiving case and both engaging members through the mounting holes and the hooking pieces. It can be assembled, and the ball receiving case can be easily removed from the game board simply by disengaging the hooking pieces of both engaging members from the hole edges of both mounting holes. Mounting and removing the ball receiving case Not only can the work be simplified, but the mounting position of the ball receiving case on the game board can be regulated and standardized so that the ball receiving case can always be installed at an appropriate position, and each ball receiving port can be placed at an appropriate position. It can be arranged at once.

Further, since each game ball detection switch, the printed circuit board and the cover are attached to the ball receiving case, only the ball receiving case is attached to the game board so that each member constituting the game ball detecting unit is collectively located at a predetermined position. It can be installed, and it is possible to eliminate the number of steps for individually mounting each member constituting the game ball detection unit on the game board.

Furthermore, since the external wiring and each game ball detection switch can be collectively connected by the collective connector, the wiring work of the game ball detection unit can be simplified.

In addition, the printed circuit board, the connection portion of each gaming ball detection switch and each connection terminal can be effectively protected from other members and other electric wiring by isolating them from the outside by a cover,
It is possible to eliminate a problem that a circuit short circuit or a disconnection occurs when another conductor comes into contact with the printed wiring of the printed circuit board, the connection portion of the game ball detection switch, or the connection terminal.

[Brief description of drawings]

The drawings show one embodiment of the present invention. Fig. 1 is a horizontal cross-sectional view of a main part, Fig. 2 is a vertical cross-sectional view of the same, Fig. 3 is an exploded perspective view of the same, and Fig. 4 is a rear surface of a game board. FIG. 5 is a rear view of the game board with the back cover removed, FIG. 6 is a sectional view taken along line X3-X3 of FIG. 4, and FIG. 7 is a sectional view taken along line X2-X2 of FIG. 7 …… Game board 7b …… Back side 11 …… Ball receiving case 21 …… Game ball detection switch 29 …… Ball socket U …… Game detection unit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Mikio Sugita 1, 22 Kamotsuki-cho, Nakamura-ku, Nagoya, Aichi Prefecture Daiichi Shokai Co., Ltd. (72) Creator Ryoichi Oya Kamome, Nakamura-ku, Nagoya, Aichi 1-22, Machi, Daiichi Shokai Co., Ltd. (56) References: 60-58171 (JP, U), 58-144584 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. An elastically deformable and flexible hooking piece at both ends of a ball receiving case having a plurality of ball receiving openings for receiving game balls on the front side of a game surface, each opening through a partition wall. And a pair of engaging members that are coupled to the back surface of the game board are inserted therethrough and the engaging pieces are detachably engaged with the edge of the hole. Is detachably coupled to the back surface of the game board through the both engaging members, and accommodates a plurality of game ball detection switches installed in the ball receiving case so as to face the ball receiving openings, respectively. A plurality of connection terminals for connecting the lead wires respectively connected to the respective game ball detection switches and the printed wiring of the printed circuit board to the horizontally long printed circuit board attached to the ball receiving case; And the collective connector that connects the external wiring A game ball in a pachinko machine, characterized in that a cover housed inside the ball receiving case is connected to the printed circuit board, the connection portions of the game ball detection switches, and the connection terminals, which are isolated from the outside. Detection unit.