JPH0632674B2 - Reference plate for pachinko machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention intervenes between a hitting ball launching device and a game section on the front of a game board to determine the positional relationship between the two, and connects the two to establish a launch ball. It is equipped with a mounting part for fixing the firing band to be sent to, and further receives an accurate supply corresponding to a ball hitting supply device that supplies the hit ball to the starting part of the launch band, and also includes a return hole for a foul ball, a ball outlet, etc. The present invention relates to a reference plate for a pachinko machine, which is formed by using a plastic that integrally includes various devices.

As is well known, a pachinko machine, in particular a so-called separation type pachinko machine configured so that a game board can be freely attached and detached, has a frame body as a main body and a window is opened at one side edge through a hinge. The door frame is hinged freely to open and close, the metal box-shaped mechanism frame is fixed to the back of this door frame, and the game board is stored in this, while the launching rod related to the firing of the hit ball is below it. Starting with ball launching devices such as launch bands and motors, a device for processing foul balls of launch balls, a device for supplying hit balls to the launch position of the launch band, a prize ball released through a prize ball discharge gutter Various kinds of devices such as a passage for guiding to are incorporated, but these devices are assembled so that they can communicate with each other and allow the pachinko ball to flow smoothly so that the game is not hindered.

However, although these devices are in a certain relationship in the completed assembly state, they are brought in as separate parts at the time of assembly, so the assembly work is troublesome and the mutual positional relationship is always assigned accurately. It's not easy.

Therefore, a reference plate made of a metal plate press-molded under the conventional game plate was assembled, and a firing band was screwed to this plate via the mounting plate, or a hole was formed in the preliminary plate by drilling a foul ball. Have been adopted, and the method of mounting the board of the launcher via this plate has been adopted, but since it is made of a metal plate, preprocessing such as drilling work is troublesome and lacks accuracy. However, it is not easy to align and adjust the mutual positional relationship because the individual parts and devices that are assembled via this plate are separately fixed and fixed with screws and nuts, and it is difficult to assemble the pachinko machine. It was a hassle.

Further, from the above, the replacement work of individual parts is complicated and troublesome, and improvement thereof has been strongly desired.

The present invention has been researched and developed in order to improve the above-mentioned conventional demand, paying attention to the moldability of plastics, forming a reference plate main body using this as a material, and opening and mounting pieces required in advance. Etc. are provided integrally, while engaging with a mechanism frame that houses the game board, and provided with an engaging portion that determines the position from the eye with respect to the mechanism, the positional relationship with the game board that is always contained inside this mechanism frame is constant In addition to this, it is equipped with a connecting piece that connects the board of the launching device that sends the hit ball to this game board, fixes this board at a fixed position, and automatically determines the positional relationship with the above-mentioned game board. Enables accurate combinations,
Furthermore, by integrally providing a mounting piece for connecting the mounting plate of the prize ball storage box connected to the prize ball discharge gutter, the position of the prize ball discharge gutter and the prize ball plate provided on the front surface of the machine frame are automatically aligned. It is an object of the present invention to provide a reference plate for a pachinko machine that enables easy, quick, and highly accurate assembly by improving the above. Hereinafter, the present invention will be described in detail with reference to illustrated embodiments.

FIG. 1 is a perspective view of a pachinko machine according to the present invention in which a glass metal frame and a front plate are opened and a main part is opened, and a part of the pachinko machine is cut away. Reference numeral 1 is a machine frame, and 2 is not shown in this machine frame. The door frame 3 is hinged on one side via a hinge and can be freely opened and closed. 3 is a glass metal frame which is freely opened and closed by screwing an attachment metal frame 4 to a window provided in this door frame 2 A front plate which is hinged on one side to the mounting metal frame 4 and is freely opened and closed under the glass metal frame 3, and 6 is screwed to the back surface of the door frame 2 so as to close the window from behind. A shallow box-shaped mechanism frame made of a fixed metal plate, and 7 is a game board detachably housed inside the mechanism frame,
Reference numeral 8 is a reference plate according to the present invention which is also housed in the lower portion inside the mechanism frame.

The mechanism frame 6 in this embodiment is formed in a size matching the window of the door frame 2, and the game plate 7 accommodated therein corresponds to the glass metal frame 3 and is seen through from the front through the glass 9 fitted in the frame. The reference plate 8 that fits under the front plate 5 is hidden behind the front plate 5 in a normally closed state.

This reference plate 8 is injection-molded using plastic as a material, and the plate main body is formed in a horizontally long rectangular shape that matches the lateral width of the mechanism frame 6, and the upper edge is approximately the thickness of the game board 7 toward the rear. A mounting portion 10 having an equal protruding width is provided, and a cylindrical engaging portion 11 is provided in the center of the back surface near the lower edge.
Are being planted. As shown in detail in FIG. 2, the front part of the plate main body is provided with a plurality of screw holes 12 in a line from the lower right part to the upper part of the central part at intervals in the right half part of the firing band 13. While forming the attachment part, the return port that flows the foul ball of the launch ball into the prize ball lower plate 14 described later in the center part
15 and award ball Each has a ball removal port 16 for dropping the award ball from the upper plate to the lower plate, and on the left side is provided a cylindrical mounting portion 18 of a buzzer 17 for uttering when a prize ball is jumped in, and further a lower edge portion. Is a connecting piece for connecting a fixed board 21 incorporating a launching device such as a motor 19 and a launching rod 20.
22 and 22, and a storage box 23 that is connected to the lower edge of a prize ball discharge gutter (not shown) vertically provided along the back surface of the mechanism frame 6 to receive the prize ball and guide it to the prize ball lower tray 14 Mounting pieces 25, 25 for connecting the plates 24 are integrally provided.

The reference plate 8 is flush with the front surface of the game board 7 which is fit in the upper portion in the fixed state, and the firing band 13 attached through the screw hole 12 is continuous with the guide rail 26 fixed to the front surface of the game board. The return port 15 is provided so as to project in a cylindrical shape on the front surface of the plate 8 so as to face the connection portion between the two, and the ball outlet 16 is also provided so as to project forward in the shape of a receiving gutter.

The reference plate 8 is a mounting portion based on a plate main body.
10, the engaging portion 11, the screw hole 12, which is the mounting portion, the return port 15, the ball removal port 16, the mounting portion 18, the connecting piece 22, the mounting piece 25 and the like are integrally formed during the injection molding, As a result, the positional relationship between the respective parts can be accurately determined, and the combination relationship with other parts can be regulated as described later.

The plate 8 thus formed fixes the firing band 13 by utilizing the screw hole 12, and also fixes the ball receiver 27 for receiving the hit ball supplied above the starting end portion thereof. Then, the buzzer 17 is attached to the attaching portion 18, and the connecting piece
A fixed plate 21 in which a motor 19 and a launch rod 20 are assembled to 22 is fixed with screws, and a storage box 23 is attached to a mounting piece 25.
Is also fixed with screws to complete the assembly, and then is housed in the mechanism frame, the mounting portion 10 is brought into contact with the inner surface, and the engaging portion 11
After fixing the position with the mechanism frame 6 by fitting it in the alignment hole 28 which is opened in the mechanism frame 6, the set screw 30 is passed through the screw receiving base 29 provided on the plate back face from the mechanism frame back face. Complete the installation.

In the figure, 31 is a hitting ball supply device attached to the back surface of the front plate 5,
Reference numeral 32 denotes a prize ball upper plate attached to the front surface, and 33 denotes a prize ball discharge gutter that is vertically installed in the back through a window 34 provided in the reference plate 8 and the mechanism frame 6 when the front plate 5 is closed. This is a guide gutter that guides the discharged prize balls to the prize ball upper plate 32.

As is well known, the upper plate 32 for receiving prize balls is a ball hitting supply device 31.
The received balls are sent to the supply device 31 while being aligned in a line, and the supply device 31 interlocks with the striking motion of the launching rod 20 to supply the starting balls to the starting end of the firing band 13 one by one. When the front plate 5 is closed, this hitting ball supply device is opposed to the front surface of the plate 8 so that the supply port 35 faces the starting end of the firing band 13. At the same time, the communication port 36 communicating with the upper plate 32 is provided with the ball removing port 16
The ball removed from the upper plate can be dropped into the lower prize ball lower plate 14 from this ball removal port.

The present invention is constructed as described above, and the reference plate 8 formed of plastic is mounted at the same time as the formation of the screw hole 12, the return port 15, the ball discharge port 16 of the firing band 13 and the like. The placing portion 10, the connecting piece 22, the mounting piece 25, etc. can be integrally formed, and since these respective portions can be accurately formed at fixed positions, the precision is far higher than that of a conventional metal plate. There is an advantage that a product can be provided and a large number of related parts can be automatically assembled at the same time and at predetermined positions, so that the assembling work can be performed quickly and easily.

In particular, since the part where the reference plate is installed is where the firing of the ball is controlled and where multiple parts are assembled together, if the positional relationship between the parts is incorrect, the ball will not be launched immediately. Will occur.

Therefore, conventionally, extremely careful work was required to connect the launching device and the game board, but in the present invention, the mounting of the launching device is confirmed by the determination of the position of the connecting piece 22, and the mounting portion 10 is also used. While the position of the game board 7 is also fixed by the same, the firing band 13 that connects the two is constant due to the formation of the screw hole 12 that is the mounting portion, and there is no need to consider the adjustment during assembly in order to make accurate communication. It has an excellent effect that it becomes extremely easy.

Further, conventionally, the return port 15 of the foul ball, the ball removal port 16 and the like are formed as separate parts, and the respective assembling methods have been adopted.
In the present invention, these can be integrally formed when the plate-based molding is performed, and the assembling work is unnecessary, which is further advantageous.

Further, according to the present invention, the reference plate is integrally provided with the screw receiving base 29, so that the reference frame is easily assembled to the mechanism frame 6. On the other hand, the reference plate is provided with the engaging portion 11 near the central portion thereof. Since the joint portion is assembled by engaging with the alignment hole 28 formed in the mechanism frame 6 made of a metal plate, it is possible to perform the assembly with high precision even though it is a large molded article made of plastic. There are excellent advantages.

That is, when the product is made of a metal plate, problems such as shrinkage do not occur at the time of molding, but in the case of a plastic molded product, especially in the case of a large product, an error occurs in the dimension due to heat shrinkage. Body, ie, mechanism frame 6 in the case of the present invention
There is a possibility that a position error may occur between the mechanical frame and each component when it is mounted on the plate. However, as described above, in the present invention, the engaging portion 11 is provided in the central portion of the plate and the engaging portion is Since the alignment with the mechanism frame is used as a reference, the molding error due to heat shrinkage is dispersed to the left and right, and as a result, it can be ignored.

As described above, the present invention has various advantages and, at the same time, has the advantage that uniform products can be mass-produced at low cost because they can be manufactured by injection molding of plastic.

In carrying out the present invention, as shown in the drawing, the reference plate 8
The hook 37 is provided on the other side, and the engaging projection 38 is provided on the other game plate 7 so that the hook 37 can be engaged and disengaged when the game plate is attached, so that the fitting with respect to the reference plate can be stabilized and the positions of the two positions This is advantageous because the relationship can be made more precise.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a perspective view in which a glass metal frame, a front plate is opened and a main part is opened, and a main part is cut away. FIG. 2 is an enlarged front view of the main part. 3, FIG. 3 is a rear view in the assembled state, and FIG. 4 is an enlarged vertical side view of the main part. 6 ... Mechanism frame, 7 ... Game board, 8 ... Reference plate, 10
…… Mounting part, 11 …… Engaging part, 12 …… Screw hole as mounting part,
13 ... Launch band, 14 ... Prize ball lower plate, 15 ... Fal ball return port, 16 ... Ball removal port, 19 ... Motor, 20 ... Launching rod, 21 ... Fixed substrate, 22 ... … Connecting piece, 23 …… Storage box,
24 …… Mounting plate, 25 …… Mounting piece, 28 …… Alignment hole.

Claims (1)

[Claims] 1. An engaging portion (1) for engaging a positioning hole (28) provided in a mechanism frame (6) for accommodating a game board (7) near a central portion of a back surface of a plate main body made of plastic material.
1), a mounting part (12) for stopping the firing band (13) on the front right half part, and a foul ball return port (15) integrally formed near the center part of the front part. A mounting portion (10) for receiving and positioning the lower edge of the game board (7) at the upper edge portion, and a connecting piece (22) for connecting the fixed substrate (21) of the ball striking device at the lower edge portion. And a mounting piece (25) for fixing the storage box (23) that guides the prize balls discharged to the prize ball discharge gutter to the prize ball lower plate (14) provided on the front surface of the door frame (2). A reference plate for a pachinko machine, characterized by being integrally formed.