JP2744966B2 - Mounting structure of metal bell in pachinko machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a metal bell in a pachinko machine for causing a pachinko ball dispensed from a pachinko ball dispensing device to collide with the pachinko ball and to notify the pachinko ball dispensing by a sound of the collision. Things.

[0002]

2. Description of the Related Art Conventionally, the mounting structure of this kind of metal bell is
As shown in FIG. 5, a through-hole 101 is formed in the center of the bottom of a cylindrical metal bell 100 having a bottom, and a support projection 1 is formed on a bell mounting surface of a discharge passage 102 provided below the pachinko ball dispensing device.
03, and the through hole 101 and the support protrusion 1 of the metal bell 100 are provided.
03 and the center screw hole 104
Was fixedly attached by screwing into the screw hole 104 from the through hole 101 and tightening.

[0003] In the above-mentioned conventional mounting structure of a metal bell, since the metal bell is fixedly mounted with a screw so as not to rotate, the surface is scraped or deformed in a short period of time by the collision of a pachinko ball. There is a problem that the reverberation sound is reduced or deteriorated due to the deformation.

[0004] In order to solve the above-mentioned problems, the present applicant has proposed a metal bell mounting structure in which a bearing member having a shaft insertion hole in the center of the bottom of the metal bell is fitted and fixed. By projecting a projection on the surface and inserting a screw having a circular shaft part slightly longer than the bearing member into the shaft insertion hole, screwing the screw part into the screw hole of the projection and tightening it,
A metal bell mounting structure has been proposed in which a metal bell is rotatably mounted around a circular shaft portion of a screw (see Japanese Utility Model Publication No. 7-31822 by the present applicant).

[0005]

However, the metal bell mounting structure described above has a problem in that the metal bell is mounted by screws, so that the screwing is troublesome and the workability is poor. there were.

In addition, a special screw is required, so that the cost is increased.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a pachinko machine in which a metal bell can be easily and rotatably mounted without screwing. An object of the present invention is to provide a metal bell mounting structure.

[0008]

In order to achieve the above object, the present invention provides a pachinko machine comprising a discharge passage provided below a pachinko ball dispensing device, and a bottomed cylindrical metal bell provided in the discharge passage. In the machine, a bearing member having a shaft insertion hole in the center of the bottom of the metal bell is fitted and fixed, while a shaft pin is projected from the bell mounting surface of the discharge passage and is mounted on the upper surface of the opening of the discharge passage. The cover plate is provided with a concave hole for receiving the end of the shaft pin, the shaft pin is inserted into the shaft insertion hole of the bearing member to support the metal bell rotatably, and the cover plate is mounted to attach the shaft pin. Are fitted in the recesses, so that the metal bell is attached to the discharge passage.

The bearing member is preferably formed of a synthetic resin in order to reduce contact friction with the shaft pin.

In addition, the bearing member is formed of a cylindrical member having a flange portion and a receiving member. On the other hand, a circular hole is formed in the center of the bottom of the metal bell so that the receiving member faces the circular hole. By fitting the cylinder into the cylinder hole of the receiver in the
It is preferable to mount the bearing member in the circular hole.

Further, in order to mount the shaft pin on the bell mounting surface, a cylindrical projection having a bearing hole is integrally provided on the bell mounting surface, and the shaft pin is fitted into the bearing hole of the cylindrical projection. Good.

The mounting structure of the metal bell in the pachinko machine configured as described above is such that the shaft insertion hole of the bearing member of the metal bell is fitted to the shaft pin, and then the end of the shaft pin is inserted into the recess of the cover plate. By fitting the metal bell, the metal bell can be attached rotatably without screwing.

[0013] When the pachinko ball dispensed from the pachinko ball dispensing device collides with the metal bell, the metal bell can freely rotate about the shaft pin. Thereby, the metal bell can be prevented from being deformed, and can be used for a long time.

[0014]

Next, an embodiment of the present invention will be described with reference to the drawings. First, a pachinko machine to which a metal bell mounting structure according to an embodiment of the present invention is applied will be described with reference to FIG. In FIG. 1, reference numeral 1 denotes a front frame of a pachinko machine, 2 denotes a game board detachably mounted on the back of the front frame 1, and 3 denotes a mechanical plate made of synthetic resin which is openably and closably mounted on the back of the game board 2. . A ball tank 4 is fixed to the upper portion of the rear surface of the mechanism plate 3, and a tank rail 5 is provided below the ball tank 4. The downstream end of the tank rail 5 is connected to a pachinko ball dispensing device 7 via a curve rail 6, and the discharged pachinko ball is hit by a ball on the front of the front frame 1 below the pachinko ball dispensing device 7. A discharge passage 8 leading to the supply tray and an excess ball passage 9 leading excess balls overflowing from the hit ball supply tray to the lower storage tray are formed.

The discharge passage 8 and the surplus sphere passage 9 are formed in a gutter shape with an open rear surface, and a cover plate 10 is attached to the rear surface opening. The cover plate 10 is detachably mounted with a plurality of screws 11 so as to match the rear openings of the discharge passage 8 and the surplus sphere passage 9.

A bottomed cylindrical metal bell 12 is provided inside the discharge passage 8 so that a pachinko ball can collide. The metal bell 12 informs the player that the pachinko ball has been paid out by the sound generated by the collision of the pachinko ball paid out from the pachinko ball payout device 7. The cover plate 10 has a metal bell 1
2, a circular raised portion 13 is formed, and a sound transmission hole 14 is formed therein.

FIG. 2 is an exploded perspective view of a main part for explaining a mounting structure of the metal bell 12 according to the present invention. Then
According to the present invention, a circular hole 16 is formed in the center of the bottom of the metal bell 12, and the bearing member 1 made of synthetic resin is formed in the circular hole 16.
7 are fitted and fixed. This bearing member 17 is a hollow cylindrical cylindrical body 19 having a flange portion 18 as shown in FIG.
And a bottomed cylindrical receiver 22 also having a flange portion 20 and having a recessed hole 21 into which the cylindrical body 19 is fitted. 22
The shaft insertion holes 23, 23 are respectively formed in the center of the bottom of the shaft. A metal bell 12 is provided on the upper edge of the receiver 22.
Annular stepped portion 24 and circular hole 16
The protrusion 26 is formed so as to correspond to the plurality of cutout recesses 25 formed at the edge of the hole.

The cylindrical body 19 and the receiver 22 are arranged such that the projecting step 24 of the receiver 22 is formed in the circular hole 1 from the inside of the metal bell 12.
6, the notch 25 and the projection 26 are matched with each other, and then the cylindrical body 19 is fitted into the concave hole 21 of the receiver 22 and bonded to be integrated. As a result, the synthetic resin bearing member 17 is firmly fitted and fixed to the center of the bottom of the metal bell 12. The bearing member 17 may be made of a metal or a synthetic resin, but can be manufactured at a low cost by being formed of a synthetic resin. Further, by forming the bearing member 17 by two members, the cylindrical body 19 and the receiver 22, the mounting to the metal bell 12 can be simplified.

On the other hand, as shown in FIGS.
And a bearing hole 27 in its bell mounting surface 8a.
Is formed integrally, and the front end of a metal shaft pin 29 is fitted and supported in a bearing hole 27 of the cylindrical projection 28.

The inner surface of the cover plate 10
A cylindrical portion 15 having a concave hole 30 into which the rear end of the shaft pin 29 is fitted in a state where the cover plate 10 is mounted is integrally formed at a central position of the raised portion 13 where the sound transmission hole 14 is formed.

In the metal bell mounting structure according to the present invention configured as described above, the metal bell 12 is mounted by first inserting the shaft insertion holes 23 of the bearing member 17 of the metal bell 12 into the shaft pin 27. The metal bell 12 is rotatably supported by the shaft pin 29, and then the cover plate 10 is attached to the rear opening of the discharge passage 8, and the rear end of the shaft pin 29 is inserted into the concave hole 30 of the cylindrical portion 15. Is achieved by inserting

[0023]

Since the present invention is constructed as described above, it has the following effects.

By mounting the metal bell so as to be freely rotatable around the shaft pin, even if the pachinko ball dispensed from the pachinko ball dispensing device collides with the metal bell,
The impact can be reduced by the rotation, and the surface can be reliably prevented from being scraped or deformed in a short period of time, and thus can be used for a long period of time.

Both ends of the shaft pin are supported by a bearing hole of a cylindrical projection formed on the bell mounting surface of the discharge passage and a concave hole of a cylindrical portion formed on the inner surface of a cover plate mounted on the upper surface of the opening of the discharge passage. By adopting such a configuration, the metal bell can be easily attached without screwing, and workability can be improved.

Further, the shaft pin is a simple metal round bar and does not need to be subjected to special processing, which contributes to cost reduction.

[Brief description of the drawings]

FIG. 1 is a rear view of a pachinko machine to which the present invention is applied.

FIG. 2 is an exploded perspective view of a main part with a cover plate removed.

FIG. 3 is a vertical sectional side view showing an attached state of a metal bell.

FIG. 4 is an exploded perspective view of a metal bell.

FIG. 5 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

 7 Pachinko ball dispensing device 8 Discharge passage 8a Bell mounting surface 10 Cover plate 12 Metal bell 17 Bearing member 23 Shaft insertion hole 29 Shaft pin 30 Concave hole

Claims (1)

(57) [Claims] 1. A pachinko machine in which a discharge passage is provided below a pachinko ball dispensing device and a bottomed cylindrical metal bell is provided in the discharge passage, wherein a shaft insertion hole is provided at a center of a bottom of the metal bell. The bearing member is fitted and fixed, and on the other hand, a shaft pin is projected from the bell mounting surface of the discharge passage,
The cover plate mounted on the upper surface of the opening of the discharge passage is provided with a concave hole for receiving the end of the shaft pin, and the shaft pin is inserted into the shaft insertion hole of the bearing member to rotatably support the metal bell. And mounting the cover plate to fit the end of the shaft pin into the recess, thereby mounting the metal bell to the discharge passage.