JPH0742460Y2 - Assembly mechanism of ball guide rail in pachinko machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an assembling mechanism for assembling a ball guide rail for guiding a hit ball to a game board surface on a game board in a pachinko machine.

(Prior Art) As a conventional art, there is, for example, Japanese Patent Laid-Open No. 55-26965. This publication discloses a method of attaching a ball rail to a game board by bending a split pin hooked on the ball rail and inserted through the game board on the back side of the game board.

(Problems to be solved by the invention) In the case of the conventional ball guide rail assembly mechanism, there are problems that the structure is complicated and the number of assembling steps is complicated, and the assembling state tends to be unstable. .

An object of the present invention is to simplify the work of assembling the ball guide rail to the game board and to simplify and stabilize the assembling structure.

(Means for Solving the Problems) The present invention has an outer ball guide rail for guiding a hit ball from a lower part of the game area to an upper part of the game area on the game board, and an inner side of the outer ball guide rail for the game area. A plurality of mounting holes arranged corresponding to the inner ball guide rails installed from the upper part to the lower end are drilled, and a decorative frame made of synthetic resin that is connected to the game board surface in a state surrounding the game area. On the peripheral surface of the opening, a platform 1 having a front shape that is curved in accordance with the curved shape of the outer ball guiding rail, and at the front end of which is a hook receiving portion to which the front edge of the outer ball guiding rail is hooked. And a rail excluding section having a ball guiding rail disposed in front of the first rail mounting section, and a front shape curved according to the curved shape of the inner ball guiding rail. And a second rail attachment portion disposed in front of , The outer ball guide rail, substantially the entire length of which is attached to the first rail attachment part and is sandwiched between the game board surface and the engagement receiving part, and the bent portion formed at the lower end of the outer ball guide rail is decorated. Assemble on the game board surface, projecting below the lower end of the frame and inserting each locking pin connected to the rear edge of the outer ball guide rail into the mounting hole. , A part of which is attached to the second rail attachment portion and each locking pin coupled to the rear side edge of the inner ball guide rail is press-fitted into the mounting hole, and assembled on the game board surface. It has the attached structure.

(Operation) In the assembly mechanism of the ball guiding rail having the above-mentioned configuration, a plurality of mounting holes into which locking pins respectively coupled to the rear edges of the outer ball guiding rail and the inner ball guiding rail are inserted, and the arrangement thereof. By designating the mounting position and mounting form of both ball guide rails on the game board surface depending on the mode, the outer ball guide rail was mounted on the first rail mounting portion of the decorative frame made of synthetic resin and collided with the outer ball guide rail. The ball pressure of the hit ball is received by the first rail attachment part, the launched hit ball is received near the lower end of the outer ball guide rail, and the front side edge of the outer ball guide rail is formed on the front end edge of the rail attachment part. And the outer ball guide rail is sandwiched between the engaging portion and the game board edge. In addition, the rail excluding portion of the decorative frame is provided with a function of a ball guiding surface, and the hit ball that is hit to the end of the outer ball guiding rail is guided toward the inner ball guiding rail by the rail excluding portion.

(Effect of the Invention) According to the present invention, since the mounting positions of both ball guide rails can be regulated by the mounting holes and both ball guide rails can be installed on the game board surface in the arrangement state of the mounting holes, the game board surface Both ball guide rails can be installed on the game board surface by always optimizing the mounting status of both ball guide rails to the game board surface, and the ball guide rails can be installed by unifying the installation status of both ball guide rails between the game boards of each pachinko machine. It is possible to solve the problem that the mounting state of the rails is not uniform among the game boards, and the mounting work of the two ball guide rails on the game board surface can be simplified.

Especially, the outer ball guide rail, which is apt to be impacted by a hit ball immediately after launch, is inserted into the mounting hole with each locking pin connected to the rear edge of the outer ball guide rail, and the front edge of the outer ball guide rail is fixed. On the game board surface, it is hooked by the lock receiving part of the decorative frame, and the outer ball guide rail is sandwiched between the game board surface and the lock receiving part to prevent movement of the outer ball guide rail in the front-rear direction and the vertical and horizontal directions. It can be firmly assembled to strengthen and stabilize the mounting state of the outer ball guide rail to the game board surface, and even if the impact action of the hit ball immediately after launch is applied to the outer ball guide rail, Deformation, misalignment and rattling can be eliminated.

Further, since the outer ball guiding rail is superposed on the first rail mounting portion of the decorative frame, the impact action applied to the outer ball guiding rail is received by the first rail mounting portion, and the outer ball guiding rail is bent and deformed. Can be blocked.

Furthermore, the rail excluding portion of the decorative frame made of synthetic resin has a function of a ball guiding rail, and a part of the metal rail is removed from the game board surface, so that the weight of the game board can be reduced. The work of assembling the ball guide rail on the game board surface can be streamlined.

Also, since the vicinity of the lower end of the outer ball guide rail is projected diagonally downward of the lower end of the decorative frame, and a bent portion is formed at the lower end of the outer ball guide rail, the shot hit ball is placed near the lower end of the outer ball guide rail. It can be smoothly received and accurately introduced to the game board surface.

(Embodiment) Next, one embodiment of the present invention will be described with reference to the drawings.

On pachinko machines, decorative frame 3B molded from synthetic resin material
Is a square plate-shaped game board 1B is overlapped near both side edges and the upper edge of the game board surface 1aB and is bound to the game board surface 1aB by a screw or the like in a state of surrounding the game area of the game board surface 1aB,
The decorative frame 3B is provided with a substantially circular opening 7B whose lower end is cut away.

The game board surface 1aB has a front shape curved into a substantially C shape, and is installed from the lower left end of the peripheral surface 7aB of the opening 7B of the decorative frame 3B to the upper right part, and hits the ball from below the game area to above the game area. The outer sphere guide rail 2C that is a strip plate that guides to the outside sphere, and the outer sphere guide rail that has a front shape curved into a cheek C shape.
A strip-shaped inner ball guide rail 2D installed inside the 2C from the upper left portion to the lower right portion of the game area is assembled.

The outer ball guide rail 2C is provided on the peripheral surface 7aB of the opening 7B of the decorative frame 3B.
The first rail attachment part 3b having a front shape curved according to the curved shape of FIG.
And a rail excluding portion 3c in which the outer ball guiding rail 2C is eliminated and which is disposed in front of the first rail attaching portion 3b with the upper end connected to the tip of the first rail attaching portion 3b, and the upper end. Is disposed in front of the rail excluding portion 3c in a state of being connected to the lower end of the rail excluding portion 3c, has a front shape curved according to the curved shape of the inner spherical guiding rail 2D, and has one end of the inner spherical guiding rail 2D and A second rail attachment portion 3d having an inner portion attached thereto is formed, and a portion of the outer ball guiding rail 2C corresponding to the rail exclusion portion 3c of the decorative frame B is cut off to lengthen the rail exclusion portion 3c. It has been shortened by a length equivalent to that.

A cross section is formed in a hook shape at the front end of the first rail attachment part 3b of the decorative frame 3B, and the front side edge 2aC of the outer ball guiding rail 2C is slidably locked in the longitudinal direction to guide the outer ball. Retaining part 5B that sandwiches almost the entire length of the rail 2C with the game board surface 1aB
Is projected over the entire length of the rail attachment part 3b, and the front side edge 2aC of the outer ball guide rail 2C is attached to the engagement receiving part 5B.
A charging groove 6B for inserting the is inserted.

On the rear side edges 2bC, 2bD of the outer sphere guide rail 2C and the inner sphere guide rail 2D, a plurality of locking pins 8 projecting rearward are provided.
8 is a guide rail for both balls in the cut formed at each front end.
The rear side edges 2bC and 2bD of 2C and 2D are connected to each other.

On the game board 1B, a plurality of mounting holes 9 to 9 arranged respectively along the two ball guide rails 2C and 2D on the rear side of the two ball guide rails 2C and 2D are opposed to the respective locking pins 8. Perforated.

The vicinity of the lower end of the outer ball guiding rail 2C is projected inward of the inner side surface 3e of the left lower end of the decorative frame 3B, and the lower end of the outer ball guiding rail 2C is slightly bent downward to make it easier to receive a hit ball 2d. Are formed.

Then, the front side edge 2aC of the outer sphere guide rail 2C is fitted into the insertion groove 6B over substantially the entire length, and substantially the entire length of the outer sphere guide rail 2C is attached to the first rail attachment portion 3b of the decorative frame 3B.
When each locking pin 8 coupled to the outer ball guiding rail 2C is inserted into the mounting hole 9 facing the respective locking pin 8, the outer ball guiding rail 2C is mounted on the game board surface 1aB and the engaging portion 5B.
It can be attached to the game board surface 1aB by sandwiching it between

Also, near the one end of the inner ball guiding rail 2D, the second part of the decorative frame 3B
When each locking pin 8 attached to the rail mounting portion 3d and coupled to the inner ball guiding rail 2D is press-fitted into the mounting hole 9 facing each locking pin 8, the inner ball guiding rail 2D is played. Board 1aB
Can be assembled to.

Subsequently, the operation and effect of the embodiment having the above-described configuration will be described.

In this example, on the game board 1B, an outer ball guide rail 2C that guides a hit ball from the lower part of the game area to the upper part of the game area, and inside the outer ball guide rail 2C, is installed from the upper part of the game area to near the lower end. A plurality of mounting holes 9 arranged in accordance with the respective inner ball guide rails 2D that have been formed are punched, and the opening of the decorative frame 3B made of synthetic resin that is connected to the game board surface 1aB in a state of surrounding the game area. The peripheral surface 7aB of 7B has a front shape that is curved according to the curved shape of the outer ball guiding rail 2C, and a hook receiving portion 5B to which the front edge 2aC of the outer ball guiding rail 2C is hooked is formed at the front end. The first rail attachment part 3b, the rail removal part 3c disposed ahead of the first rail attachment part 3b and having the ball guide rail removed, and the front surface curved according to the curved shape of the inner ball guide rail 2D. It has a shape and forms a second rail attachment part 3d arranged ahead of the rail exclusion part 3C. Outer ball guide rail
2C, almost the entire length is attached to the first rail attachment part 3b and is sandwiched between the game board surface 1aB and the bearing part 5B, and the bent part 2d formed at the lower end of the outer ball guide rail 2C is used as a decorative frame. 3B, projecting below the lower end of the 3B, the rear edge 2b of the outer ball guide rail 2C
Each locking pin 8 coupled to C is inserted into the mounting hole 9 while being assembled to the game board surface 1aB, and the inner ball guiding rail 2D is partially attached to the second rail mounting portion 3d. Each locking pin 8 attached to the rear side edge 2bD of the inner ball guiding rail 2D
Game board surface 1aB with each inserted into the mounting holes 9
It is attached to.

Therefore, the mounting positions of the two ball guide rails 2C, 2D can be regulated by the mounting holes 9, and the two ball guide rails 2C, 2D can be installed on the game board surface 1aB according to the arrangement pattern of the mounting holes 9.
Both ball guide rails 2C, 2D can be installed on the game board surface 1aB by always optimizing the mounting state of the both ball guide rails 2C, 2D on the game board surface 1aB, and both ball guides between the game boards of each pachinko machine. It is possible to solve the problem that the mounting state of the rails 2C, 2D is unified and the mounting state of the ball guide rails 2C, 2D is not uniform between the game boards, and both ball guide rails 2C, 2D to the game board surface 1aB. The installation work of can be simplified.

In particular, the outer ball guide rail 2D, which is more susceptible to the impact of a hit ball immediately after launch, is the rear edge 2bD of the outer ball guide rail 2D.
Each locking pin 8 coupled to the above is inserted into the mounting hole 9 and the front side edge 2aD of the outer ball guiding rail 2D is engaged with the engaging portion 5B of the decorative frame 3B.
The outer ball guide rail 2D is fastened to the game board surface 1aB with the outer ball guide rail 2D sandwiched between the game board surface 1aB and the engaging portion 5B to prevent movement of the outer ball guide rail 2D in the front-rear direction and the vertical and horizontal directions. It is possible to strengthen and stabilize the mounting condition of the outer ball guide rail to the game board surface 1aB by attaching it to the outer ball guide rail 2D even if the impact of the hit ball immediately after launch is added to the outer ball guide rail 2D. 2D deformation, misalignment and rattling can be eliminated.

Further, since the outer ball guiding rail 2D is superposed on the first rail mounting portion 3b of the decorative frame 3B, the impact effect applied to the outer ball guiding rail 2D is received by the first rail mounting portion 3b, and the outer ball is guided. It is possible to prevent bending deformation of the guide rail 2D.

Furthermore, since the rail-removing portion of the decorative frame made of synthetic resin has a function of a ball guide rail, and a state where a part of the metal rail is removed from the game board surface, it is possible to reduce the weight of the game board. , The work of assembling the ball guide rail to the game board surface 1aB can be rationalized.

Also, since the vicinity of the lower end of the outer ball guiding rail 2D is projected obliquely downward of the lower end portion 3a of the decorative frame 3B, and the bent portion 2d is formed at the lower end of the outer ball guiding rail 2D, the launched ball is hit by the outer ball. It can be smoothly received near the lower end of the guide rail 2D and can be accurately introduced into the game board surface 1aB.

[Brief description of drawings]

The drawings show an embodiment of the present invention. Fig. 1 is an exploded perspective view, Fig. 2 is a front view, Fig. 3 is an enlarged sectional view taken along line X1-X1 of Fig. 2, and Fig. 4 is Fig. 2. FIG. 5 is an enlarged perspective view of the X2 portion of FIG. 5, and FIG. 5 is a sectional view of the decorative frame in the X2 portion of FIG. 1B …… Game board 1aB …… Game board surface 2C …… Outer ball guide rail 2D …… Inner ball guide rail 3B …… Decorative frame 3b …… First rail attachment part 3c …… Rail exclusion part 3d …… Second rail Attaching part 5B: Dependent receiving part 8: Locking pin 9: Mounting hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-60-18186 (JP, A) Actual development 61-163682 (JP, U) Actual public 52-12552 (JP, Y2) Actual public 52- 46216 (JP, Y2) Actual public Sho 57-16630 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. An outer ball guide rail for guiding a hit ball from the lower part of the game area to an upper part of the game area, and a ball installed inside the outer ball guide rail from the upper part to the lower end of the game area. On the peripheral surface of the opening of the decorative frame made of synthetic resin, which is connected to the game board surface in a state of surrounding the game area, by punching a plurality of mounting holes aligned with the inner ball guide rail, A first rail mounting portion having a front shape that is curved according to the curved shape of the outer ball guiding rail, and a hook receiving portion to which the front edge of the outer ball guiding rail is hooked, formed at the front end;
It has a rail excluding portion disposed in front of the first rail attachment portion and in which the ball guiding rail is excluded, and a front shape curved according to the curved shape of the inner spherical guiding rail, and is arranged in front of the rail excluding portion. The second rail attachment portion provided is formed, and the outer ball guiding rail is attached to the first rail attachment portion over substantially the entire length thereof and sandwiched between the game board surface and the engagement receiving portion, and the outside. A state in which the bent portion formed at the lower end of the ball guide rail is projected below the lower end of the decorative frame, and the respective locking pins connected to the rear side edge of the outer ball guide rail are pressed into the mounting holes. , The inner ball guide rail is assembled to the game board surface, and a part of the inner ball guide rail is attached to the second rail attachment portion, and each locking pin coupled to the rear edge of the inner ball guide rail is attached to the mounting hole. Pachinko machine characterized by being assembled on the game board surface with each being inserted into the inside Of assembling mechanism definitive sphere guide rail.