JP2552648Y2 - Pachinko ball passage detection switch - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko ball passage detection switch provided in a pachinko ball flow passage of a pachinko machine, and more particularly, when a plurality of pachinko balls flow down the flow passage continuously. The present invention relates to a pachinko ball passage detection switch that can surely detect pachinko balls that are in close contact with each other and that does not cause malfunction.

[0002]

2. Description of the Related Art As is well known, in a pachinko machine, a prize-winning tool or a prize-winning device is provided on a game board, and a pachinko ball hit on the game board becomes a so-called safe ball. In such a case, various prize ball operations are performed. In addition, other pachinko balls that do not enter the prize-winning tool, the prize-winning device, or the like, flow out to the back of the pachinko game board as missed balls. As described above, in the pachinko machine, it is possible to determine whether the pachinko ball hit on the game board is a safe ball or a missed ball,
It is necessary to detect the number and the like. Therefore, a pachinko ball passage detection switch is attached to each part of the pachinko ball flow passage provided on the back side of the pachinko machine, and the pachinko ball is detected by the switch.

Conventional pachinko ball passage detection switches are roughly classified into three types: microswitch type, optical sensor type, and magnetic proximity sensor type. This micro-switch type detects the passage of a pachinko ball using the principle of leverage.
As shown in FIG. 3, the arm 1 provided on the switch body 4 provided along the pachinko ball flow path 2 is connected to the pachinko ball flow path 2.
It faces inside. When the pachinko ball 3 passes in this state, the arm 1 is pressed by the pachinko ball 3, and the contact of the micro switch body 4 contacts (turns on) and the pachinko ball 3
Is detected. In this microswitch type, as shown in the figure, the arm 1 facing the pachinko ball flow passage 2 is set to be long, and the contact is turned on with a low load.

[0004] There are two types of optical sensor types: a pass type and a reflection type. In the pass type optical sensor, as shown in FIG. Then, the light emitted from the light emitting element 5 to the light receiving element 6 is blocked by the pachinko balls 3 to detect the passage of the pachinko balls 3. As shown in FIG. 9, the reflection type optical sensor has a light emitting element 7 and a light receiving element 8 arranged in a required relationship, and reflected light emitted from the light emitting element 7 and reflected by the pachinko ball 3 is reflected by the light receiving element 8. Is set so as to detect the passage of the pachinko ball 3 by receiving light. In the magnetic proximity sensor type, as shown in FIG. 10, a coil 9 that allows the pachinko ball 3 to pass is disposed in the pachinko ball flow passage 2, and the pachinko ball 3 that is a magnetic material passes through the coil 9. The pachinko ball 3 is detected by detecting the resulting magnetic change.

[0005]

The pachinko ball passing detection switch used in the pachinko machine must satisfy the following requirements. First, the pachinko balls continuously flowing in the pachinko ball flow path, that is, a plurality of pachinko balls flowing in close contact with no gap can be detected one by one. Second, it is highly reliable and does not cause erroneous detection. In other words, a plurality of winning balls that come in
The first and second requirements are important because an erroneous determination of an individual or an erroneous determination that a prize has not been entered may cause trouble between the customer and the store.

The third requirement is that the manufacturing cost is low. This is because, in most cases, a plurality of pachinko ball passing detection switches are used by one pachinko machine, and if the unit price of the switches is high, the cost of the single pachinko machine increases. Fourth, the durability is high. Recent pachinko machines can fire about 100 pachinko balls per minute, and considering the service life of the machine, tens of million times
This is because it must be able to withstand off operation.

Any of the above-described conventional pachinko ball passing detection switches cannot detect pachinko balls entering one after another as they are, and requires some means for separating continuous pachinko balls. However, there is a problem that the cost increases accordingly. For example, in a microswitch type, when a plurality of pachinko balls pass continuously, as a result of the arm being set to be long,
The arm is always pressed, and is detected as one pachinko ball despite the passage of a plurality of pachinko balls. Further, in the pass-through type optical sensor type, since a plurality of pachinko balls pass through in close contact with each other, the light emitted from the light emitting element to the light receiving element is always blocked by the pachinko balls. It is detected as one pachinko ball.

The light sensor type has a drawback that the light from the light emitting element cannot be detected if the light receiving element erroneously detects light other than the corresponding light emitting element, or if the light receiving element is attached with dust or dirt. was there. In the case of the reflection type, if the surface of the pachinko ball is dirty, reflected light that the light receiving element can detect may not be obtained, and it is difficult to set the arrangement position of the light receiving element and the light emitting element. there were.

Furthermore, the magnetic proximity sensor type malfunctions due to an external electric wave or the like or a nearby iron plate or the like, so that there is a drawback that its arrangement position is limited. In a pachinko machine, a plurality of detection switches are arranged in series in a pachinko ball flow path, and a plurality of signals are detected by passing one pachinko ball. When the switches are close to each other, normal detection cannot be performed because they interfere with each other magnetically, and the switches must be arranged at the required intervals, and the arrangement space becomes large. be pointed out. As described above, each of the conventional detection switches described above does not satisfy all of the four requirements, and therefore, there is a need for a proposal of an appropriate technique that can satisfy the requirements.

[0010]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems inherent in the prior art, and has been devised in order to solve the problem suitably. In particular, the present invention is designed to continuously connect a pachinko ball flow passage of a pachinko machine. An object of the present invention is to provide a pachinko ball passage detection switch that can reliably detect incoming pachinko balls one by one and does not cause malfunction.

[0011]

SUMMARY OF THE INVENTION In order to overcome the above-mentioned problems and achieve the intended object, the present invention provides a pachinko ball passage allowing passage of a pachinko ball, and always faces the pachinko ball passage in an advancing state. A projection that is pressed by the passage of the pachinko ball and retreats, and a first contact and a second contact that are separately disposed outside the pachinko ball passage. A pachinko ball passage detection switch configured to close or open the contact point and the second contact point and disposed in a pachinko ball flow passage of a pachinko machine, wherein a tip of a front end of the protrusion is located on a side of the pachinko ball passage. The length protruding from the pachinko ball is set to be approximately 1/3 of the radius of the pachinko ball.

Further, in order to overcome the above-mentioned problem and achieve the intended purpose, another device of the present invention is to provide a pachinko ball passage which allows a pachinko ball to pass therethrough, and that the pachinko ball passage always moves forward. The pachinko ball includes a protrusion that is pressed and retreats by passing the pachinko ball, and a first contact and a second contact that are separately disposed outside the pachinko ball passage. A pachinko ball passage detection switch configured to close or open a first contact and a second contact and disposed in a pachinko ball flow passage of a pachinko machine, wherein a tip of a front end of the protrusion is formed in the pachinko ball passage. The length protruding to the side is such that the tip of the front end portion enters the gap defined between the pachinko balls that closely contact each other when a plurality of pachinko balls flow into the pachinko ball flow passage. When The first contact and the second contact are set to have such a length that the closed state or the open state can be changed between when the front end portion is pushed by each pachinko ball and retreats. I do.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a pachinko ball passing detection switch according to the present invention will be described with reference to the accompanying drawings with reference to a preferred embodiment.

FIG. 2 is a rear view of a pachinko machine in which the pachinko ball passage detection switch according to the embodiment is employed, and a pachinko ball flow passage 2 shown in the drawing is defined on the back surface of the game board 34. The flow path 2 communicates with a prize-winning device or a prize-winning device (neither is shown) disposed on the surface of the game board 34 through a discharge port 35, and requires a safe ball that has won the prize-winning device or the prize-winning device. Works to drain to the point. A pachinko ball passage detection switch 10 is provided at a required position in the flow passage 2. In the embodiment, the pachinko ball passage detection switch 10 is used for safe ball detection.

This pachinko ball passage detection switch 10
As shown in FIG. 1, a hole 11 (hereinafter, “pachinko ball passage”) that becomes a part of the pachinko ball flow passage 2 when the pachinko ball passage 2 is disposed in the pachinko machine.
A frame 13 having a predetermined length, and a protrusion 13 projecting into the pachinko ball passage 11 by a required length and movable forward and backward.
It is basically composed of a first contact 14 and a second contact 15 which are made of a leaf spring and function as contacts.

As shown in FIG.
3 is a front end 13a projecting toward the pachinko ball passage 11 and having a rounded tip, a rear end 13b extending away from the pachinko ball passage 11, and a front end 13a.
And the rear end 13b. Is elastically in contact with the arm 14a of the first contact 14 made of a conductor (preferably a leaf spring made of a gold alloy). That is, as shown in FIG. 3A, the protrusion 13 is always urged by the arm portion 14a so that the stopper portion 13c contacts the frame 12.

Further, a contact portion 14b bent to the opposite side of the rear end portion 13b is formed on the arm portion 14a with which the rear end portion 13b of the first contact point 14 contacts, and the contact portion 14b functions as a contact point. I do. That is, the arm 12 a of the first contact 14 is sandwiched between the frame 12. The second contact 15 is disposed so that the contact arm 15a thereof is opposed to the arm 14a of the first contact 14 in parallel with a required space. Pachinko ball passing detection switch 1
0 is off. Then, when the projection 13 is pressed by the pachinko ball 3, as shown in FIG. 3B, the arm 13a of the first contact 14 is
Then, the contact portion 14b of the first contact 14 comes into contact with the contact arm 15a of the second contact 15. As a result, the detection switch 10 is turned on, and the passage of the pachinko ball 3 is detected.

When the stopper portion 13c is in contact with the pachinko ball passage 11 of the frame body 12 (the state shown in FIG. 3A), the pachinko ball passage 11 at the tip of the front end portion 13a is provided.
The length t projecting to the side is set to be 1/3 of the radius r of the pachinko ball. That is, by setting the projection length t of the protrusion 13 to the pachinko ball passage 11 to about t = r / 3, as described later, when a plurality of pachinko balls 3 flow down the flow passage 2 continuously, The projections 13 reliably project into the gaps 22 defined between the closely contacted pachinko balls 3, 3, and continuous pachinko balls 3 can be detected one by one.

[0019]

Next, the operation of the pachinko ball passing detection switch constructed as described above will be described in connection with the case where a plurality of pachinko balls 3 flow down the flow passage 2 continuously. When the detection switch 10 is turned on, the arm 14a of the first contact 14 is brought into a non-contact state with the contact arm 15a of the second contact 15 as shown in FIG. I have.
When the pachinko ball 3 hit on the game board 34 flows out through the discharge port 35 into the flow passage 2 under this condition, the safe ball arrives at the detection switch 10 disposed at a required portion of the flow passage 2. At this time, it is assumed that a plurality of pachinko balls 3 are continuously flowing down in the flow passage 2 in a state of being in close contact with each other.

In this state, when the leading pachinko ball 3 passes through the pachinko ball passage 11 of the pachinko ball passage detection switch 10, the projection 13 is pressed as shown in FIG. The arm 14a is bent toward the second contact point 15. As a result, the contact portion 14b of the first contact 14 contacts the contact arm 15a of the second contact 15, the switch 10 is turned on, and the passage of the pachinko ball 3 is detected. Next, when the leading pachinko ball 3 passes through the pachinko ball path 11, the projection 13 is instantly pushed back under the elasticity of the first contact point 14, as shown in FIG. The end 13a projects into a gap 22 defined between the continuous pachinko balls 3,3. As a result, the contact portion 14b separates from the contact arm 15a of the second contact 15 and the switch 10
Is turned off, and the detection of the passage of the first pachinko ball 3 is completed.

Next, the second pachinko ball 3 is
4C, the protrusion 13 is pressed again to turn on the switch 10 as shown in FIG. 4C, and the passage of the second pachinko ball 3 is detected. The passage of the pachinko ball 3 can be detected. That is, even if the plurality of pachinko balls 3 are in close contact with each other, the projections 13 reliably project into the gaps 22 defined therebetween, so that it is possible to reliably detect the continuous pachinko balls 3 one by one. It becomes possible.

The projection length t of the projection 13 into the passage 11 is t.
Is not limited to t = r / 3, and the first time when the front end 13a enters the gap 22 between the pachinko balls and the time when the front end 13a is pushed by the pachinko balls 3 is the first. Any length is acceptable as long as the contact / separation state between the contact 14 and the second contact 15 changes. Further, in the above-described embodiment, as shown in FIG. 3B, the edge of the contact portion 14b contacts the contact arm 15a of the second contact 15. As a result, the contact portions of the two are always in a state in which dirt is scraped off by the edge, and poor contact can be prevented.

FIGS. 5 and 6 show another embodiment of the pachinko ball passing detection switch according to the present invention. The switch 10 shown in FIG. 5 is a switch of a type in which a contact is opened (turned off) when the pachinko ball 3 passes. As shown in the drawing, a through hole 36 is formed in the arm portion 14a of the first contact point 14, and the rear end 13b of the projection 13 is inserted into the through hole 36 so as to be able to advance and retreat. The rear end portion 13b elastically contacts the contact arm 15a of the second contact point 15, and the stopper portion 13c is constantly urged to contact the frame 12. In this state, the contact portion 14b formed on the arm portion 14a contacts the contact arm 15a of the second contact 15, so that the switch 10 is turned on.

That is, as shown in FIG. 6, when the pachinko ball 3 passes through the pachinko ball passage 11, the projection 13 is pressed to move the second contact 15 in a direction away from the contact portion 14b of the first contact 14. By pressing the switch, the switch 10 is turned off. With this configuration, the passage of the pachinko ball 3 is detected. Also in this alternative embodiment, as in the above-described embodiment, a plurality of continuous pachinko balls 3 are provided one by one.
Individual detection is possible.

[0025]

As described above, according to the pachinko ball passage detection switch according to the present invention, even if a plurality of pachinko balls continuously flow down the pachinko ball flow passage of the pachinko machine, they are in close contact with each other. This has an excellent effect that the pachinko balls can be reliably detected one by one and no malfunction such as erroneous detection or erroneous detection occurs.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a pachinko ball passing detection switch according to a preferred embodiment of the present invention.

FIG. 2 is a rear view showing a schematic configuration of the pachinko machine.

3A and 3B show a main part of the pachinko ball passage detection switch shown in FIG. 1; FIG. 3A is a configuration diagram showing a state in which a projection is not pressed by a pachinko ball; FIG. It is a block diagram showing the state where the projection was pressed by the pachinko ball.

FIG. 4 is an explanatory diagram showing a state in which continuous pachinko ball passing is detected by the pachinko ball passing detection switch shown in FIG. 1 over time.

FIG. 5 is a schematic configuration diagram showing another embodiment of the present invention in a state where the projection is not pressed by the pachinko ball.

6 is a schematic configuration diagram showing a state in which a projection of the pachinko ball passage detection switch shown in FIG. 5 is pressed by the pachinko ball.

FIG. 7 is an explanatory diagram of a conventional microswitch.

FIG. 8 is an explanatory diagram of a conventional pass-through optical sensor switch.

FIG. 9 is an explanatory diagram of a conventional reflection type optical sensor switch.

FIG. 10 is an explanatory diagram of a conventional magnetic proximity sensor switch.

[Description of Signs] 2 Pachinko ball flow passage 3 Pachinko ball 11 Pachinko ball passage 13 Projection 13a Front end 14 First contact (leaf spring) 15 Second contact (leaf spring)

Claims (2)

(57) [Scope of request for utility model registration] A pachinko ball passage (11) that allows the passage of a pachinko ball (3), and always faces the pachinko ball passage (11) in an advancing state, and is pressed by the passage of the pachinko ball (3). A projection (13) that moves backward, and a first contact (14) and a second contact (15) that are spaced apart from the pachinko ball path (11).
The first contact is provided by the retreat movement of the projection (13).
(14) and the second contact (15) are configured to close or open, and a pachinko ball passage detection switch provided in a pachinko ball flow passage (2) of a pachinko machine, wherein: The length (t) of the tip of the end portion (13a) protruding toward the pachinko ball path (11) is set to be approximately 1/3 of the radius (r) of the pachinko ball (3). A pachinko ball passage detection switch characterized by the following. 2. A pachinko ball path (11) that allows the passage of a pachinko ball (3), and always faces the pachinko ball path (11) in an advancing state, and is pressed by the passage of the pachinko ball (3). A projection (13) that moves backward, and a first contact (14) and a second contact (15) that are spaced apart from the pachinko ball path (11).
The first contact is provided by the retreat movement of the projection (13).
(14) and the second contact (15) are configured to close or open, and a pachinko ball passage detection switch provided in a pachinko ball flow passage (2) of a pachinko machine, wherein: The length (t) of the tip of the end portion (13a) projecting toward the pachinko ball passage (11) is such that a plurality of pachinko balls (3) flowed in the pachinko ball flow passage (2) continuously. The gap defined between pachinko balls (3, 3)
(22), and when the front end (13a) is pushed by each pachinko ball (3) and retreats, the first contact point (13). 14) and the second contact (1
5) A pachinko ball passage detection switch, which is set to a length that can change the closed state or the open state of 5).