JPH0712988U - Sphere detection device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a sphere detection device that has the same basic structure as the conventional one, but is devised so that external light does not enter through the opening in the sensor housing. is there. A case main body having a spherical passage on one side and a sensor housing on the other side, and a passive portion facing the passage between the passage and the sensor housing. Direction, the actuating member pivotally supported while being urged, the photosensor consisting of the light emitting element and the light receiving element housed in the sensor housing, and the opening provided in the passage bent from the actuating member. And a shutter piece inserted into the sensor-accommodating portion, a light-shielding plate is erected at a position facing the opening of the sensor-accommodating portion, and the light-shielding plate is interposed therebetween. The light receiving element and the light emitting element of the photo sensor are installed, and the shutter piece is further bent to rotate around the side portion of the light blocking plate to block the light flux between the light receiving element and the light emitting element. Intervene.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This device is suitable for detecting a spherical body by installing it in a place where light enters from various directions and pachinko balls pass continuously at high speed, such as a winning hole in a pachinko machine installed in a game arcade. Regarding

[0002]

[Prior art]

 Conventionally, this type of sphere detection device has a case body having a sphere passage on one side and a sensor storage portion on the other side, and a passive passage to the passage between the passage and the sensor storage portion. And a photo sensor composed of a light-emitting element and a light-receiving element housed in the sensor housing, and an actuating member which is pivotally supported while being urged to swing in one direction with the part facing, and is bent from the actuating member into the passage. It is known that a shutter piece is inserted straight into the sensor housing from the opening provided.

[0003]

[Issues to be solved by the device]

 This conventionally known detection device had the advantage of being able to reliably detect a game ball that passes through the winning hole at high speed and continuously, but in the game arcade, it has various brightness and wavelength from various directions. Since the incident light is incident on the winning hole of the pachinko gaming machine, there is a possibility that external light is likely to enter the sensor housing from the opening provided in the passage of the case main body of the detection device and cause malfunction. .

An object of the present invention is to provide a sphere detection device which has the same basic structure as the conventional one but is devised so that external light does not enter through the opening in the sensor storage part. It is in.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a case body having a spherical passage on one side and a sensor storage portion on the other side, and between the passage and the sensor storage portion. An actuating member that is axially supported while being urged to swing in one direction with a passive part facing the passage, and the above-described sensor-a photosensor consisting of a light-emitting element and a light-receiving element housed in the housing part; A shutter piece inserted into the sensor-accommodating portion through an opening provided in the passage after being bent from an actuating member, wherein a light shield is provided at a position facing the opening of the sensor-accommodating portion. The light receiving element and the light emitting element of the photosensor are installed through the light blocking plate, and the shutter piece is further bent to turn around the side of the light blocking plate to receive the light receiving element. Between the light emitting element and the light emitting element It is obtained by intervening.

In this case, the present invention also encloses the light emitting element and the light receiving element of the photo sensor with a light shielding plate in the sensor housing portion except the insertion portion of the shutter piece.

Further, in this invention, the light receiving element is installed on the back side of the light shielding plate provided for the opening.

[0008]

[Action]

 Most of the external light that has entered the sensor housing through the opening through the passage is blocked by the light blocking plate that blocks the opening, and does not reach the light receiving element and the light emitting element. A part of the external light that has circulated to the side of the light blocking plate does not reach the light receiving element and the light emitting element unless it is further refracted, so that it is attenuated by this point and has no effect.

Further, if the light-emitting element and the light-receiving element are surrounded by a light-blocking plate, or if the light-receiving element is installed on the back side of the light-blocking plate provided facing the opening, the light-blocking element can be more completely exposed to external light. The effect can be stopped.

[0010]

【Example】

 The drawings show an embodiment of the present invention, in which 1 is a case main body having a polygonal passage 2 on one side and a sensor storage 3 on the other side. The spaces are communicated with each other by the opening 4. Reference numeral 5 denotes an actuating member. The actuating member 5 includes a winding portion 6, a passive portion 7 extending from the circumferential surface of the winding portion 6, and a plane U-shape at an acute side surface of the passive portion 7. The shutter piece 8 is bent into a shape, and a light reflecting plate 9 is provided upright at the tip of the shutter piece 8. The actuating member 5 is formed by pivotally supporting a winding portion 6 on a support shaft 10, and the support shaft 10 is mounted on and fixed to groove portions 11, 11 provided in the storage portion 3. Reference numeral 12 denotes a torsion coil spring, which is wound around the support shaft 10 and has one end abutted against the actuating member 5 and the other end abutted on the back side of the lid 13 so that the actuating member 5 is kept in a constant state. It is urged to swing in the direction. Reference numeral 14 denotes a circuit board on which a light emitting element 16 made of, for example, a light emitting diode, which constitutes the photo sensor 15, and a light receiving element 17 made of a photodiode are mounted at a predetermined interval, and is connected while being housed in the sensor housing portion 3. The terminal 18 is projected outside the case body 1. The lid 13 covers the upper surface of the sensor storage portion 3 and fixes the pair of locking pieces 19 and 19 provided at one end of the lid 13 to the locking portions 1a and 1a provided on both sides of the case body 1 while fixing them. Has been done. A light-shielding ring 20 is wound around the connection terminal 18 to prevent outside light from entering the sensor housing portion 3 through the connection terminal 18.

A first light-shielding plate 21 is provided upright at a position facing the opening 4 of the sensor housing 3 with a predetermined distance from the case body 1, and adjacent to the back side of the first light-shielding plate 21. The light emitting element 16 is installed. At a position facing the first light-shielding plate 21, a second light-shielding plate 22 having a V-shape in plan view and a third light-shielding plate 23 having a V-shape in plan view are erected so as to face each other. Surrounding 17 Further, from the lid body 13, a fourth light-shielding piece 24, which is in contact with the upper end portion of the first light-shielding plate 21, and a slit for locking the end portion of the torsion coil spring 12 provided on one side portion of the first light-shielding plate 21. 21a and fifth and sixth light-shielding pieces 25 and 26 that respectively close the slit 21b through which the shutter piece 8 provided at the other end passes are vertically provided, and external light penetrates into the sensor housing section 3 through the opening 4. To prevent that.

From the lid 13, further provided are seventh and eighth light shielding pieces 27, 28 and a ninth light shielding piece 29 which are in contact with the upper surfaces of the second light shielding plate 22 and the third light shielding plate 23, and emit light. A 10th light-shielding piece 31 is vertically provided so as to cover an upper portion of a slit 30 provided for passing a light flux from the element 16 to the light-receiving element 17. In this way, the light-receiving element 17 is particularly tightly surrounded by the light-shielding plates and the light-shielding pieces so that external light does not enter except for the light-receiving portion. In addition, 32 and 33 are projections for holding the light emitting element 16 and the light receiving element 17 so as not to vibrate, and 34 and 35 are projections for holding the support shaft 10.

As shown in FIG. 5, the shutter piece 8 is bent along the first light-shielding plate 22 from the opening 4 and goes around the slit 21 b provided on the side of the first light-shielding plate 22 so as to be inside the sensor storage unit 3. The light reflecting plate 9 is inserted into the light emitting element 16 and is provided at the tip end of the light reflecting plate 9 bent at an angle of 90 ° so as to stand upright, and normally covers the light emitting portion of the light emitting element 16 as shown by the solid line in FIG. Then, when the passive portion 7 is pressed by the pachinko ball A passing through the passage 2, the torsion coil spring 12 resists the elastic force and swings as shown by an imaginary line in FIG. It allows the light beam emitted further to reach the light receiving element 17. The oscillated shutter piece 8 is twisted as the pachinko ball A passes and quickly returns to its original position by the elasticity of the coil spring 12. The fifth light-shielding piece 25 described above also has a function of pressing the end portion of the coil spring 12. Of course, the shutter piece 8 allows the light beam from the light emitting element to reach the light receiving element in the normal state, and may be configured to block this light beam when it swings.

[0014]

[Effect of device]

 As described in detail above, the present invention provides a device for detecting a sphere, which includes a case main body having a sphere passage on one side and a sensor storage portion on the other side, and the passage and the sensor storage portion. An actuating member pivotally supported while being swung in one direction with a passive portion facing the passage between them, a photosensor including a light emitting element and a light receiving element accommodated in the sensor accommodating portion, and the actuating member. Even if it is configured with a shutter piece that is bent further and inserted into the sensor storage part from the opening provided in the passage, it is possible to almost completely prevent outside light from entering the photo sensor part from the opening, so it is possible to play. The device can be prevented from malfunctioning due to illumination light in the field, natural light such as sunlight, or external light caused by illegal means such as irradiation of an opening by a light.

[Brief description of drawings]

FIG. 1 is a front view of a sphere detecting device according to the present invention.

FIG. 2 is an exploded perspective view of the detection device of FIG.

FIG. 3 is a perspective view showing the back side of the lid body.

FIG. 4 is a side view of the operating member as viewed from the opposite direction to that of FIG.

FIG. 5 is a plan view of a case body with a lid removed.

FIG. 6 is an explanatory view for explaining the operation of the sphere detection device according to the present invention.

[Explanation of symbols]

 1 Case Main Body 2 Passage 3 Sensor Storage Section 4 Opening Section 5 Operating Member 7 Passive Section 8 Shutter Piece 9 Light Reflecting Plate 12 Twisting Coil Spring 13 Lid Body 14 Circuit Board 15 Photo Sensor 16 Light Emitting Element 17 Light Receiving Element 20 Light Blocking Ring 21 1st light-shielding plate 22 2nd light-shielding plate 23 3rd light-shielding plate 24 4th light-shielding piece 25 5th light-shielding piece 26 6th light-shielding piece 27 7th light-shielding piece 28 8th light-shielding piece 29 9th light-shielding piece 31 10th light-shielding piece

Claims (3)

[Scope of utility model registration request] 1. A spherical passage on one side and a sensor on the other side.
A case body having a storage portion, the passage and the sensor
An actuating member axially supported while being swung in one direction with a passive portion facing the passage between the accommodating portion and the sensor, and a photo sensor including a light emitting element and a light receiving element accommodated in the sensor accommodating portion. -And a shutter piece that is bent from the operating member and inserted into the sensor-accommodating portion through an opening provided in the passage, at a position facing the opening of the sensor-accommodating portion. The light blocking plate is made to stand upright, the light receiving element and the light emitting element of the photosensor are installed through this light blocking plate, and the shutter piece is further bent to turn around the side portion of the light blocking plate. A sphere detecting device, characterized in that it is interposed between the light receiving element and the light emitting element so as to block a light beam. 2. The detection of a sphere according to claim 1, characterized in that the light emitting element and the light receiving element of the photo sensor are surrounded by a light shielding plate in the sensor housing portion except the insertion portion of the shutter piece. apparatus. 3. The sphere detecting device according to claim 1, wherein the light receiving element is installed on the back side of a light shielding plate provided so as to face the opening.