JPH0333032Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a pachinko ball detection device installed in a pachinko machine or the like.

[Conventional technology]

The inventor of this invention previously devised a pachinko ball detection device as shown in FIGS. 5 and 6, and disclosed the device in a separate application.

Since this invention is an improvement on the invention disclosed in the above-mentioned application, the above-mentioned disclosed invention will be explained first.

In Fig. 5, a is the path through which pachinko balls b fall, c is the detection section, d is the ball path, e is the inner frame, and f
is an outer frame, and g indicates a frame body formed by both frames e and f.

The detection part c is made of transparent or semi-transparent synthetic resin, and includes a center part h of the inner frame e and an outer frame f.
A light emitting device i and a light receiving device j are respectively provided inside. Also, k is a lid body, l is a base body, and both K and l are fixed with bolts and nuts m. Both devices i and j are accommodated in holes n formed between a lid k and a base l, respectively. o is a conductor, p is a terminal, and q is a socket. The ball b falls and enters the ball path d, blocking the light emitted from the light emitting device i and reaching the light receiving device j, and the resulting change in the light receiving device j is detected by a counting device or a detecting device (not shown). I'm starting to know more about it.

[The problem that the idea aims to solve]

However, a problem remained.

The reason is that the light emitted from the light emitting device i not only reaches the light receiving device j in a straight line, but also passes through the inside of the frame 4 and reaches the light receiving device j. . Ball b passing through this ball path d
This weakens the effect of blocking light and makes it difficult to detect balls.

This idea was devised to solve this problem, and its purpose was to create a ball drop path large enough to allow four balls to fall at once in the cross section, and to reliably detect all of those balls. It is an object of the present invention to provide a pachinko ball detection device that can detect pachinko balls.

[Means to solve the problem]

To describe this invention that achieves the above purpose, it consists of an approximately cross-shaped middle frame 1 made of synthetic resin;
A frame body 4 comprising an outer frame 3 integrally provided at each tip 2 of the inner frame 1; four balls formed by the inner frame 1 and the outer frame 3, each having an inner groove through which one pachinko ball can pass; Passage 5; central portion 6 of the middle frame 1
A light emitting body 8 provided in the interior 7 of the outer frame 3;
Light-receiving elements 10 provided inside the interior 9 at predetermined locations other than the tip 2; four imaginary lines 11 connecting the light-emitting body 8 and each of the light-receiving elements 10; intersecting the imaginary lines 11 of the inner frame 1; a light-transmissive portion 12 formed at a position; a light-impermeable portion 13 formed at a position of the frame body 4 including the inner frame 1 that does not intersect with the virtual line 11; provided in communication with the outer frame 3; This is a pachinko ball detection device characterized by comprising a pachinko ball falling path 14 having the same inner diameter as the outer frame 3.

[Effect]

Pachinko balls, for example, are placed in the falling path 14.
, four objects fall at once on a plane. Then, since the four ball passages 5 are formed by the inner frame 1 and the outer frame 3, these balls automatically enter and pass through each ball passage 5, respectively. Since the light emitting body 8 emits light to the light receiving element 10 in advance, each of the balls blocks the path of light, and the light receiving element 10 detects the passage of each ball. In that case, the light emitted from the light emitter 8 is
1, but other light passes through the light transmitting portion 12 of the inner frame 1, and then attempts to pass through the interior of the inner frame 1, but is greatly weakened by the non-transparent portion 13, and It is blocked and does not pass through at all. Therefore, the light that enters the light receiving element 10 is almost limited to only the light that passes through the virtual line 11 and its vicinity, so that detection can be ensured. Moreover, as described above, it is possible to provide a simple structure in which four balls falling randomly on a plane within the falling path 14 can be reliably detected using one light emitting body.

〔Example〕

In Figures 1 and 2, 1 is the middle frame;
It is made of synthetic resin and is approximately cross-shaped. Reference numeral 3 denotes an outer frame, which is integrally provided at each end portion 2 of the middle frame 1 to form a frame body 4. 5 indicates four ball passages. A light-emitting body 8 such as a light-emitting element or a light bulb is provided inside the center 6 of the inner frame 1 . Furthermore, light receiving elements 10 are provided in the interior 9 at predetermined locations other than the tip portion 2, respectively. Note that each of the light receiving elements 10 is connected to a counting device or the like (not shown). Next, reference numeral 11 indicates a virtual line connecting the light emitting body 8 and each of the light receiving elements 10. The light emitted from the light emitter 8 travels like this imaginary line 11 and reaches each light receiving element 10. 12 is a light transmitting part;
Reference numeral 13 denotes a light-opaque part, and a piece of rubber is used for this non-transparent part 13. As an example, as shown in FIG. Holes 1 formed in both 15 and 16 respectively
7 and is press-fitted into the blind hole 18. Note that this opaque portion 13 was also formed on the outer frame 3, as shown in FIGS. 1 and 2. By doing so, reliability is further increased. In the figure, reference numeral 19 indicates a fixing member such as a bolt/nut, and reference numeral 20 indicates a socket.

Next, in the case shown in FIGS. 3 and 4, both the inner frame 1 and the outer frame 4 have a structure in which the opacity of light is further strengthened, and the light transmitting portion 12 is formed in the inner frame 1 and the outer frame 4, respectively. The notches 21 and 21 are respectively fitted into the notches 21 and 21 formed in the . 13 is a light opaque portion. The transparent portion 12 is made of transparent or semi-transparent synthetic resin, and the non-transparent portion 13 shown in FIGS. 3 and 4 is made of opaque synthetic resin. 16 indicates a lid body.

[Effect of idea]

This device is constructed as described above, and a frame body 4 is formed by an approximately cross-shaped synthetic resin inner frame 1 and an outer frame 3, a light emitting body 8 is provided in the center of this inner frame 1, and the outer frame 3 By providing four light-receiving elements 10, four pachinko balls can be illuminated by one light emitter.
That is, detection can be performed with a simple structure. Furthermore, by forming the light non-transmissive portion 13 on the frame body 4 including the middle frame 1, the light passing through the frame body 4 including the middle frame 1 can be blocked or greatly reduced. Detection of the light receiving element 10 can be ensured.

[Brief explanation of the drawing]

Figures 1 and 2 show an embodiment of this invention,
Fig. 1 is a partially omitted plan view of the pachinko ball detection device, Fig. 2 is a sectional view of the pachinko ball detection device, and Figs. 3 and 4 show a second embodiment of this invention. Fig. 3 is a perspective view of the pachinko ball detection device with some parts omitted, Fig. 4 is a plan view of the same, Fig. 5 is a sectional view of a similar device disclosed in an earlier application by the inventor of this invention, and Fig. 6 is the same plan view. 1...Inner frame, 2...Tip, 3...Outer frame, 4...
... Frame body, 5 ... Ball passage, 6 ... Center part, 7 ... Inside, 8 ... Light emitter, 9 ... Inside, 10 ... Light receiving element, 11 ... Virtual line, 12 ... Transmissive part, 13...
Impermeable part, 14... Falling passage.

Claims (1)

[Scope of utility model registration request] Almost cross-shaped middle frame 1 made of synthetic resin; said middle frame 1
A frame body 4 which is integrally provided with an outer frame 3 at each tip 2 of the frame; four ball passages 5 formed by the inner frame 1 and the outer frame 3, each having an inner groove through which one pachinko ball passes; A light emitting body 8 provided in the interior 7 of the central portion 6 of the inner frame 1; a light receiving element 10 provided in the interior 9 of the outer frame 3 at a predetermined location other than the tip 2; Four virtual lines 11 connecting each light receiving element 10;
A light-transmissive portion 12 formed at a position intersecting the imaginary line 11; a light-impermeable portion 13 formed at a position of the frame body 4 including the inner frame 1 that does not intersect the imaginary line 11; the outer frame A pachinko ball detection device comprising a pachinko ball falling path 14 having the same inner diameter as the outer frame 3 and communicating with the outer frame 3.