JP3392370B2 - Ball-lifting equipment on the island where pachinko machines are installed - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a doffing device for a pachinko game machine installation island.

[0002]

2. Description of the Related Art On a pachinko gaming machine installation island in which a plurality of pachinko gaming machines are installed in parallel, a lower storage tank, a doffing machine main body, etc. are provided in a lower area where the pachinko gaming machines are not hindered, and an upper area. Stores the balls pumped from the lower storage tank and distributes them to each pachinko machine on the installation island,
It is known to provide an upper storage tank for distributing balls when the ball storage amount of adjacent installation islands falls below a predetermined amount. It is also disclosed in, for example, Japanese Patent Laid-Open No. 9-140921 as a means for transferring balls from the main body of the above-mentioned ball-lifting device to a storage tank, which can reduce the space as compared with a conventional ball-lifting polishing device. ing.

However, since the lower end of the above-mentioned pipe is fixed to the main body of the doffing device, there is a problem that the workability of installation work on the installation island is poor and the handling is complicated. . In addition, even in the maintenance work of the doffing machine body, the doffing machine body cannot be pulled out independently because the pipe tube filled with balls is stuck inside, and the workability is poor. was there.

[0004]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art, and can transfer balls to an upper storage tank by using a pipe pipe that can reduce the space, and further, can be used for installation work and ball lifting. The purpose of the present invention is to provide a doffing device that facilitates maintenance work of the device body.

[0005]

Means for Solving the Problems The present invention, which has been made to solve the above-mentioned problems, is a ball hoisting device on a pachinko game machine installation island in which a plurality of pachinko game machines are installed in parallel. The region is provided with a first transfer pipe having a base fixed to the main body of the doffing device and a second transfer pipe attached so that an upper end is located in the upper storage tank.
In order to accurately join the transfer pipe and the second transfer pipe, the first
The transfer pipe has a first joint member, and the second transfer pipe has a second joint member.
Attaching the joint member, the first joint member and the second
The joint member is joined and fixed to each other by the locking means, and after the engagement by the locking means is released, the second transfer pipe is temporarily lifted up together with the second joint member. By providing lift operating means that can be locked to the first joint member and the second joint member,
It is characterized in that the joint member is separated and the main body of the doffing device can be easily pulled out to the outside of the installation island together with the first transfer pipe.

It is preferable to provide backflow preventing means for preventing the balls inside the second transfer pipe from dropping when the engagement between the first joint member and the second joint member is released. .

Since the ball-lifting device of the present invention can transfer balls from the ball-lifting device main body to the upper storage tank through the first transfer pipe and the second transfer pipe, a large space for ball-lifting can be set in the installation island. Does not need Moreover, these first transfer pipe and second
Since the transfer pipe can be separated at the joint between the first joint member and the second joint member, installation work and maintenance work of the doffing device main body can be easily performed.
Further, by providing the backflow preventing means, it is possible to prevent the balls inside the second transfer pipe from dropping even when the engagement between the first joint member and the second joint member is released.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a conceptual cross-sectional view of a pachinko gaming machine installation island. 1 is a pachinko gaming machine installed back to back, 2 is a lower storage tank provided in a lower area of the installation island, and 3 is an upper area. The upper storage tank. Further, 4 is a doffing apparatus main body provided in the lower region, and in this example, two doffing apparatus main bodies 4 are shown. The balls stored in the lower storage tank 2 enter the ball lifting device body 4 via a ball polishing device (not shown) and the like, and are pumped to the upper storage tank 3.

2 and 3 are views showing a lower region in the installation island. As shown in these figures, a first transfer pipe 5 is provided on the upper part of the doffing apparatus main body 4. The first transfer pipe 5 is a metal pipe or a flexible pipe of a size that allows the pachinko balls to be pushed up in a row inside the first transfer pipe 5, and the base portion thereof is fixed to the doffing apparatus main body 4 by a mounting member 6. In this example, five first transfer pipes 5 are provided in parallel, but the number can be set appropriately according to the required lifting capacity.

The first transfer pipe 5 is a relatively short pipe pipe having a length of about 20 to 40 cm, and a first joint member 7 as shown in FIG. 6 is attached to the upper end thereof. In this example, the first joint member 7 is a metal fitting having a flat upper surface, and the upper end of the first transfer pipe 5 is inserted and fixed from the lower surface.

Reference numeral 8 is a second transfer pipe attached so that its upper end is located in the upper storage tank 3. This second transfer pipe 8 is a pachinko gaming machine 1, which is installed back to back,
It is for pumping the balls to the upper storage tank 3 through the narrow gap 1 and has the same size and size as the first transfer pipe 5. A second joint member 9 and a backflow preventer 22 are attached to the lower end of the second transfer pipe 8. By closely contacting the first joint member 7 and the second joint member 9 via the backflow preventer 22, the first transfer pipe 5 and the second transfer pipe 8 can be accurately joined. Has become.

The backflow preventer 22 is a backflow preventing means for preventing the balls inside the second transfer pipe 8 from dropping when the first transfer pipe 5 and the second transfer pipe 8 are separated. ,
The structure is not particularly limited. However, in this embodiment, the backflow preventer 2 in which the vertical passage 24 and the inclined hole 25 are formed inside the block 23 as shown in FIG.
2 is used.

The backflow preventer 22 having this structure is based on the applicant's patent No. 2931304, and a ball 26 is inserted into the inside of the inclined hole 25. This ball 26 is a communication hole 27
Although it is in contact with the balls to be lifted in the vertical passage 24 in the portion of, the ball is pushed up in the vertical passage 24 during normal operation as shown in FIG. . However, when the second transfer pipe 8 is separated,
As shown in FIG. 7, the ball 26 has a function of interlocking with a ball trying to flow backward in the vertical passage 24 and forming a bridge to prevent backflow. Reference numeral 28 is a stopper for preventing the balls 26 from falling.

In order to securely join the first joint member 7 and the second joint member 9 to each other, both sides of the first joint member 7 are locked like buckle fittings as shown in FIG. Means 10 are provided. The second
Hooks 11 are provided at the lower portions of both side surfaces of the backflow preventer 22 coupled to the joint member 9. Therefore, as shown in FIG. 2, by locking the first joint member 7 and the second joint member 9 with the locking means 10 and the hook 11, the first transfer pipe 5 and the second transfer pipe 8 are connected. The backflow preventers 22 can be fixed to each other without displacement.

The backflow preventer 22 coupled to the second joint member 9 is supported by the arms 13 on both sides, and the bases of these arms 13 are attached to the vertical plate 14. And in the long holes 20 of these vertical plates 14,
A pin 19 at the tip of an operation handle 18 pivotally attached by a pin 21 is fitted to a side plate 16 of the frame 15. Therefore, after releasing the locking means 10, the operation handle 1
A structure in which the vertical plate 14, the backflow preventer 22, the second joint member 9 and the like can be slightly lifted up from the position of FIG. 2 to the position of FIG. 4 by pushing down 8 to the position shown by the solid line in FIG. Has become. By this operation, the lower end of the second transfer pipe 8 is lifted together with the second joint member 9, but since the lift amount is several tens of mm, the strain is easily absorbed by the entire second transfer pipe 8.

In this way, the locking means 10 is released, and the lift operation means 17 is used together with the backflow preventer 22 for the second operation.
When the joint member 9 is lifted up, a gap as shown in FIG. 4 is formed between the joint member 9 and the first joint member 7. Therefore, as shown in FIG. 6, if the doffing device main body 4 is pulled out together with the first transfer pipe 5 from the lower region of the installation island, maintenance work of the doffing device main body 4 can be easily performed. At this time, even if balls are clogged inside the second transfer pipe 8, the backflow preventer 22 surely prevents the balls from falling from the second joint member 9.

When pulling out the doffing device main body 4 in this way, even if the operator releases the operating handle 18 of the lift operating means 17, the operating handle 18 can be kept in the position shown by the solid line in FIG. It is preferable to be able to do so. Therefore, in this example, the convex locking portion 12 is provided on the inner surface of the vertical plate 14, and the upper end surface of the operation handle 18 is engaged with the convex locking portion 12 to lift up the second joint member 9. It has a structure that can be temporarily locked in position.

In the doffing apparatus of the present invention constructed as described above, the locking means 10 is used to connect the first joint member 7 and the second joint member 7.
In the state shown in FIGS. 2 and 3 where the joint member 9 is joined,
The balls sent from the ball lifting device body 4 to the first transfer pipe 5 can be smoothly pumped to the upper storage tank 3 through the second transfer pipe 8. Further, when the locking means 10 is released and the second joint member 9 is lifted up by the lift operating means 17, the first transfer pipe 5 and the second transfer pipe 8 are separated from each other. Therefore, as shown in FIG. 6, the doffing device main body 4 can be pulled out from the installation island to easily perform maintenance work and the like. In addition, since the first transfer pipe 5 and the second transfer pipe 8 can be separated in this way, installation work on the installation island is easy.

[0019]

As described above, the ball lifting device of the present invention can transfer balls to the upper storage tank by utilizing the narrow space between the pachinko gaming machines installed back to back. Since the first transfer pipe and the second transfer pipe can be separated, there is an advantage that the installation work and the maintenance work of the doffing device main body can be easily performed. If a backflow preventing device such as a backflow preventer is arranged at the joint between the first joint member and the second joint member, the balls will not drop even when the two are separated.

[Brief description of drawings]

FIG. 1 is a conceptual cross-sectional view of a pachinko game machine installation island.

FIG. 2 is a front view showing a state in which joint members are joined.

FIG. 3 is a perspective view showing a state in which joint members are joined.

FIG. 4 is a front view showing a state in which a joint member is separated.

FIG. 5 is a perspective view showing a state in which a joint member is separated.

FIG. 6 is a perspective view showing a state in which a doffing and lifting device body is pulled out.

FIG. 7 is a sectional view of a backflow preventer.

8 is a cross-sectional view taken along the line AA of FIG.

FIG. 9 is a sectional view of a backflow preventer.

[Explanation of symbols]

1 Pachinko machine 2 Lower storage tank 3 Upper storage tank 4 Ball lifting device body 5 First transfer pipe 6 mounting hardware 7 First joint member 8 Second transfer pipe 9 Second joint member 10 Locking means 11 hooks 12 Convex locking part 13 arms 14 Vertical plate 15 frames 16 Side plate 17 Lift operation means 18 Operation handle 19 pin 20 long holes 21 pin 22 Backflow preventer 23 blocks 24 vertical passage 25 inclined hole 26 balls 27 communication holes 28 Stopper

Claims (2)

(57) [Claims] 1. A first transfer pipe having a base fixed to a main body of the doffing machine in a lower region of the island where the pachinko gaming machine is installed, in which a plurality of pachinko gaming machines are installed in parallel. And a second transfer pipe attached so that the upper end portion thereof is located in the upper storage tank, and the first transfer pipe is provided with a first pipe in order to accurately join the first transfer pipe and the second transfer pipe. the first joint member, the second transfer pipe fitted with a second joint member, a first joining the joint member and the second joint member, a structure that can be fixed to each other by locking means, engaging by further engaging means After canceling the match,
By providing lift operating means capable of temporarily locking the second transfer pipe together with the second joint member at a position lifted up, the first joint member and the second joint member are separated, and the doffing device main body And a first transfer pipe so that it can be easily pulled out to the outside of the island where the pachinko game machine is installed. 2. The ball hoisting device in the pachinko game machine installation island according to claim 1, wherein when the engagement between the first joint member and the second joint member is released, the inside of the second transfer pipe A ball lifting device for a pachinko machine-installed island, which is provided with a backflow prevention means for preventing balls from falling.