JPH0425178Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The invention consists of a pair of opening/closing wings that are pivoted to freely stand up and tilt on both sides of the front side of the ball inlet formed on the mounting plate, and a chuck car is attached below them. A safe ball socket device for a pachinko machine, in which a guide box is provided on the rear surface of the mounting plate, and a ball guide plate for controlling the upright and tilting of the opening/closing wings is pivotally supported on the horizontal shaft inside the guide box. It is.

[Prior Art] The present applicant formed the opening/closing wing piece from a transparent synthetic resin into a hollow shape with an open rear side, provided a cylindrical part protruding from both sides of a guide box provided on the rear surface of the mounting plate, and A safe ball socket was previously proposed in Utility Model Application No. 165,465/1986, in which a lamp was inserted into a lamp insertion hole formed in the cylindrical portion and exposed to the hollow interior of the opening/closing wing.

On the other hand, as is well known, in the conventional safe ball socket, the shaft hole of the opening/closing blade is inserted into the support shaft fixed to the inner surface of the chucker, and the rear end of the support shaft is bored on both sides of the ball inlet of the mounting plate. Since the opening/closing blades are fitted into the shaft hole provided on the shaft, the opening/closing wing pieces are supported by the bearings, so there are structural constraints such as, for example, the lamp insertion hole that opens in the mounting plate must be formed on the outside of the mounting plate, avoiding the shaft hole. It was hot. For this reason, in the case of a safe ball receiver called a mini-tulip where the opening and closing blades are smaller than normal ones, if you try to form the lamp insertion hole to correspond to the rear surface of the opening and closing blades, it will overlap with the shaft hole. Therefore, until now, it has not been possible to attach a lamp to a mini-tulip type safe ball socket.

[Purpose of the invention] Therefore, the purpose of the invention is to provide a safe ball socket with a structure in which a lamp can be attached to a mini-tulip type safe ball socket whose opening/closing wings are smaller than ordinary ones. It is to provide.

[Means for achieving the object] According to the present invention, a bearing convex portion with a shaft hole formed in the center is provided on both sides of the front surface of the ball inlet formed in the mounting plate, and the opening/closing blade is supported in the shaft hole. The rear end of the shaft is supported,
A cylindrical part is protruded on both sides of the guide box on the rear surface of the mounting plate, and the lamp insertion hole of this is brought closer to the ball inlet. It has a structure with slits for heat radiation.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. In the figure, reference numeral 1 denotes a mounting plate with a vertically long ball inlet 2 in the center, and bearing protrusions 3, 3 and locking parts 4, 4 protruding toward the front are formed on both sides of the ball inlet 2. Shaft holes 5, 5 are provided at the centers of the convex portions 3, 3. The locking parts 4, 4 have cylindrical protrusions 6, 6,
Claws 8 are provided on the inner surfaces of the tip receiving surfaces 7, 7 of the protrusions 6, 6.
A pair of elastic claw pieces 9, 9 having a diameter are provided oppositely with an interval between them.

Reference numeral 10 denotes a guide box provided on the rear surface of the mounting plate 1 in alignment with the ball entrance 2, and has cylindrical parts 11, 11 for lamp insertion on both sides, and a lamp insertion hole 1 in the center thereof.
2, 12 are formed. The lamp insertion holes 12, 12 open at the front side of the mounting plate 1, close to the ball inlet 2 and partially overlapping the bearing projections 3, 3. In addition, the cylindrical parts 11, 11 have slits 19 for heat radiation,
19 is formed in the axial direction.

Reference numeral 13 is a chucker, and support shafts 14, 14 and hollow protrusions 15, 15 corresponding to the locking portions 4, 4 are provided on the inner surface thereof. Support shafts 14, 14
is fixedly planted in the chuck car 13 by insert molding. The hollow protrusions 15, 15 have tip surfaces 16, 16
a groove-shaped opening 17 for inserting the elastic claw pieces 9, 9 of the locking parts 4, 4 in the axial direction on the outer peripheral surface thereof;
form 17.

The sum of the lengths of the protrusions 6, 6 and the hollow protrusions 15, 15 of the locking parts 4, 4 is made equal to the distance L between the front surface of the mounting plate 1 and the inner surface of the chucker 13, and Tip receiving surfaces 7, 7 of parts 6, 6 and hollow protrusion 1
5 and 15 are in contact with each other, and the rear end edge of the chucker 13 is brought into close contact with the front surface of the mounting plate 1. Further, the locking portions 4, 4
The elastic claw pieces 9, 9 are formed to a length that fits inside the hollow protrusions 15, 15, and the claws 8 are attached to the hollow protrusions 1 while the mounting plate 1 and the chucker 13 are in close contact with each other.
It is adapted to be locked inside the tip surfaces 16, 16 of 5, 15.

Reference numerals 18 and 18 denote a pair of opening/closing wings, which are formed of transparent synthetic resin into a hollow shape with an open rear surface, and are inserted into the support shafts 14, 14 of the chucker 13. Then, by applying the chucker 13 to the front surface of the mounting plate 1 and pushing it, the elastic claw pieces 9, 9 of the locking parts 4, 4 are removed.
are inserted into the openings 17, 17 of the hollow projections 15, 15, and the claws 8 are locked inside the tip surfaces 16, 16,
As a result, the chucker 13 is attached to the front surface of the mounting plate 1, and at the same time, the rear ends of the support shafts 14, 14 are fitted into the shaft holes 5, 5 of the bearing protrusions 3, 3, and the opening/closing blades 18, 1
8 is pivoted so that it can stand up and tilt freely.

Reference numeral 24 denotes a ball guide plate that is supported by a horizontal shaft 25 extending inside the guide box 10, and its tip is inserted below the support shafts 14, 14 of the opening/closing wings 18, 18, as shown by the solid line in FIG. It maintains its upright position, and also flips up the tip and tilts it, as shown by the chain line in the same figure.

Reference numeral 20 denotes a wiring board, which is formed in a U-shape so as to span the upper edge of the rear surface and the left and right sides of the guide box 10, and has a total of four lamps 21, 21 and 22, two each at the upper and lower positions on both sides of the front surface. , 22 are installed. Then, the wiring board 20 is attached to the guide box 10 with the screws 23, and the lamps 2 on both sides of the lower part are attached.
1, 21 into the lamp insertion hole 12 of the cylindrical portion 11, 11,
12, and the lamps 22, 22 on both sides of the upper part are positioned opposite to each other behind the transmitting part of the mounting plate 1. As a result, the lamps 21, 21 and 22, 22 are turned on, and the lamps 21, 21 are inserted into the lamp insertion holes 12, 1.
2 to illuminate the hollow interior of the opening/closing wing pieces 18, 18,
The lamps 22, 22 illuminate the mounting plate 1 to create a beautiful atmosphere.

In the present invention, the support shaft 14 of the opening/closing wing pieces 18, 18,
14 The rear end is pivotally supported by the shaft holes 5, 5 of the bearing parts 3, 3 formed on both sides of the front side of the ball inlet 2 of the mounting plate 1, and the cylindrical part opens on the front face of the mounting plate 1. Even if the lamp insertion holes 12, 12 of 11, 11 are located overlapping with the shaft holes 5, 5, the opening/closing blade 1
Since the lamp insertion holes 12, 12 can be opened inwardly so as to be close to the ball inlet 2 of the mounting plate 1, the lamp insertion holes 12, 12 can be opened so as not to cause any hindrance to the pivoting of the lamps 8, 18. Therefore, the opening and closing wing pieces 18, 18
Even if the lamp insertion hole 12 is smaller than the normal one,
12 can be sufficiently positioned to correspond to the rear surface of the opening/closing wing pieces 18, 18.

[Effects of the invention] According to the present invention, the lamp can be installed very easily even in a mini-tulip type safe ball socket, in which the opening/closing wings 18, 18 are smaller than usual ones.
Further, since the slits 19, 19 are provided in the cylindrical parts 11, 11 for lamp insertion, the heat of the lamps 21, 21 is dissipated, and heating of the cylindrical parts 11, 11 can be prevented.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; Fig. 1 is an exploded perspective view, Fig. 2 is a perspective view from the back, Fig. 3 is a central vertical side view, and Fig. 4 shows the pivot portion of the opening/closing wing. FIG. 5 is an enlarged sectional view of the main parts showing how the mounting plate and the chucker are attached. 1... Mounting plate, 2... Ball inlet, 3, 3... Bearing convex portion, 5, 5... Shaft hole, 10... Guide box, 11,
11... Cylinder part, 12, 12... Lamp insertion hole, 1
3, 13... Chucker, 14, 14... Support shaft, 18, 18... Opening/closing wing piece, 19, 19... Slit.

Claims (1)

[Scope of utility model registration request] Protruding bearing protrusions are provided on both sides of the front surface of the ball inlet formed on the mounting plate, and a shaft hole is formed in the center of the bearing protrusions. The chucker is attached to the front of the mounting plate by fitting it into the mounting plate, and a cylindrical part with a lamp insertion hole is provided on both sides of the guide box provided on the rear surface of the mounting plate, and the lamp insertion hole is brought close to the ball entrance, and one of the 1. A safe ball receptacle for a pachinko machine, characterized in that the cylindrical portion is opened at a front position of the mounting plate where the cylindrical portion overlaps with the bearing convex portion, and a slit for heat radiation is formed in the cylindrical portion.