JP4248047B2 - Pachinko machine ball tank mounting structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement of a ball tank mounting structure in a pachinko machine, and more particularly to a ball tank mounting structure that is mounted without using screws.
[0002]
[Prior art]
As a conventional ball tank mounting structure in a conventional pachinko machine, for example, a structure described in Japanese Patent Application Laid-Open No. 5-146546 by the present applicant is known. This conventional ball tank is mounted by providing an insertion piece and an engagement piece on both sides of the ball tank, and an insertion locking portion on both sides of the mounting portion of the mechanism plate and an elastic locking portion having a locking claw at the tip. The ball tank is attached by engaging the engaging piece with the elastic locking portion after the insertion piece of the ball tank is inserted into the insertion locking portion.
[0003]
[Problems to be solved by the invention]
However, the locking claw of the elastic locking portion that locks the ball tank is less likely to cause molding failure because the portion of the locking plate is smaller than the size of the entire mechanism plate when forming the mechanism plate, and the elastic locking When the latching claw of the part is damaged, there is a problem that the cost is high because it is necessary to fix with the screw or replace the entire mechanism plate.
[0004]
In addition, since only one insertion piece is inserted into the insertion locking portion, the engagement is not reliable, and the ball tank is sucked during installation. Molding was troublesome because it had to be shaped to match the arcuate movement with the stop as a fulcrum.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to provide a ball tank mounting structure for a pachinko machine that can easily mount a ball tank without using any screws and can maintain the mounting state firmly.
[0006]
[Means for Solving the Problems]
For this purpose, the present invention provides mounting fixing portions having insertion openings on both side edges of the mounting portion of the ball tank formed above the back surface of the pachinko machine, while mounting on both sides of the ball tank is fitted to the mounting fixing portion. Provide a piece, and further form a locking tool to be inserted from the insertion opening, make the ball tank face the mounting part, fit the mounting piece into the mounting fixing part, and insert the locking tool from the insertion opening. The ball tank was attached by pressing down the attachment piece simultaneously by locking.
[0007]
In the insertion opening, the locking tool is inserted from a direction perpendicular to the mounting direction of the ball tank. Furthermore, it is preferable to form at the upper end of the attachment fixing part, and it is good to insert a locking tool from upper direction.
[0008]
The attachment fixing part is preferably provided with an engaging part of a locking tool and divided into upper and lower parts through an insertion gap into which the attachment piece is fitted from the front, and the lower part is used as a receiving part for the attachment piece. Is good.
[0009]
It is preferable to provide a position restricting piece for the locking member on the mounting fixing part, and further, the position restricting piece is made elastic so that the tip of the locking tool is supported while the locking tool is engaged with the engaging part. It is good to be done.
[0010]
It is preferable to provide a position restricting portion on the locking device, and it is preferable that the locking device is supported at the upper end of the mounting fixing portion at the same time as the locking device engages with the engaging portion.
[0011]
The locking member is preferably formed of a synthetic resin, so that it does not take much time without removing the ball tank during disposal.
[0012]
It is preferable that the locking tool is formed in a substantially bowl shape with the upper part opened upward, and the elastic locking pieces on both the left and right sides are formed with locking portions on the outside via stepped portions.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a rear view of a pachinko machine. 1 is a machine frame of the pachinko machine, and 2 is a front frame attached to the front side of the machine frame 1 so as to be openable and closable. A game board 4 is detachably mounted on the back surface of the front frame 2 via a game board mounting frame 3. A synthetic resin mechanism plate 5 is mounted on the back side of the game board mounting frame 3 so as to cover the game board 4. On the back surface of the mechanism plate 5, a back mechanism such as a ball tank 6, a guide rod 7, a pachinko ball payout device 8 and a winning ball processing device 9 is mounted.
[0014]
FIG. 2 is a main part perspective view showing a state in which the ball tank 6 is attached to the mechanism plate 5, and FIG. 3 is a main part perspective view showing a state in which the ball tank 6 is detached from the mechanism plate 5. As shown in FIG. 3, a mounting portion 10 for the ball tank 6 is formed in a concave shape on the upper back surface of the mechanism plate 5. The mounting portion 10 has a function of fitting and positioning the rear half of the ball tank 6 when mounting the ball tank 6 to the mechanism plate 5 and supporting both sides and the bottom portion. Reference numeral 11 denotes a ridge for preventing deflection which contacts the upper edge of the ball tank 6.
[0015]
Accordingly, in the present invention, the mounting fixing portions 13 and 13 of the ball tank 6 are formed to protrude from the back surface of the mechanism plate 5 and on the left and right sides of the mounting portion 10 of the ball tank 6. The mounting and fixing portion 13 is formed in a box shape, and an insertion opening 15 into which a locking tool 14 to be described later is inserted is formed at the upper end. An opening edge portion of the insertion opening 15 is an engaging portion 16. Further, the mounting fixing portion 13 is divided into upper and lower portions by an insertion gap 17 formed in the intermediate portion, an elastic position regulating piece 18 is provided at the lower end of the lower mounting fixing portion 13b, and a support portion 20 is provided through the insertion groove 19. ing.
[0016]
On the other hand, mounting pieces 22 and 22 are integrally provided on the outer surfaces of the left and right side walls of the ball tank 6. The attachment piece 22 is formed in a box shape having an open front surface and an upper surface, and an insertion opening 24 through which the lower attachment fixing portion 13 b is inserted is formed in the rear holding piece portion 23. Reference numeral 25 denotes a support piece supported by the support portion 20. The positions of the mounting pieces 22 and 22 are selected so as to be in close contact with the upper surface of the mechanism plate 5 with the rear wall of the ball tank 6 in contact with the inner wall of the mounting portion 10.
[0017]
Further, the locking member 14 is formed separately from a synthetic resin, and is formed in a substantially bowl shape with the upper part open as shown in FIG. Is chosen. The left and right elastic locking pieces 26, 26 are formed with locking portions 27, 27 on the outside via stepped portions, and the anti-slip protrusions 29, 29 are provided on the outer sides of the knob portions 28, 28 so as to be easily picked. Is provided. In addition, since the elastic locking pieces 26 and 26 are formed as tapered surfaces from the locking portions 27 and 27 toward the tip, the elastic locking pieces 26 and 26 can be smoothly inserted into the insertion opening 15 of the mounting fixing portion 13.
[0018]
The present invention is configured as described above, and the ball tank 6 is attached as follows. As shown in FIG. 5, the ball tank 6 faces the mounting portion 10 from the rear of the mechanism plate 5, and the insertion openings 24 of the left and right mounting pieces 22 face the lower mounting fixing portion 13b from the front, 23 and the support piece 25 are inserted into the insertion gap 17 and the insertion groove 19, respectively, and the rear side wall of the ball tank 6 is brought into contact with the inner wall of the mounting portion 10. As a result, the support tank 25 is supported by the support portion 20 and at the same time, the ball tank 6 is securely fitted into the mounting portion 10.
[0019]
Next, as shown by a chain line in FIG. 6, the locking tool 14 is inserted into the insertion opening 15 of the mounting fixing portion 13 from above, which is perpendicular to the mounting direction of the ball tank 6. At this time, the elastic locking pieces 26 and 26 are elastically deformed inward by the tapered surface. Then, the locking tool 14 is pushed into the lower mounting fixing portion 13b through the insertion gap 17, and the taper surface comes out of contact with the insertion opening 15 while pushing the position restricting piece 18 at the lower end, and at the same time, due to its restoring elastic force, FIG. As shown by the solid line, the locking portions 27 are locked by the engaging portions 16 and are positioned by the position restricting pieces 18 whose lower ends are elastically restored. As a result, as shown in FIG. 7, the holding piece portion 23 of the attachment piece 22 is securely prevented from coming off by the rear surface of the locking tool 14, and the ball tank 6 is firmly attached without rattling. It should be noted that the position may be regulated by the support piece 25 instead of the position regulating piece 18 of the mounting fixing portion 13, and the anti-slip protrusions 29, 29 of the locking tool 14 may be used.
[0020]
As described above, the ball tank mounting structure of the present invention is easy to mold and can be mounted simply and reliably by simply inserting the locking tool without using a single screw. The structure of the sphere tank is not limited to a single sphere tank, but can be applied to the attachment of a sphere tank in which a lead rod is integrally formed. Alternatively, the mounting and fixing portion may be provided on the game board mounting frame, and the ball tank may be directly mounted on the game board mounting frame. Further, one of the mounting and fixing portions is provided on the mechanism plate side and the other is provided on the game board mounting frame side. Also good.
[0021]
【The invention's effect】
As described above, the ball tank mounting structure of the pachinko machine according to the present invention has a locking piece formed by fitting the mounting pieces projecting on both sides of the ball tank into the mounting fixing portion and forming the mounting fixing portion separately. Since the ball tank can be attached and fixed to the mechanism plate simply by inserting the tool, it is possible to simplify the attachment work by completely eliminating the need for screws.
[0022]
Further, even if the locking tool is broken, it is only necessary to replace the locking tool, and an economic loss such as replacement of the entire mechanism plate can be eliminated.
[0023]
Further, since the locking tool is inserted into the insertion opening of the mounting fixing portion from the direction orthogonal to the mounting direction of the ball tank, the locking tool can be used even when the ball weight is bent or an external force is applied in the direction of releasing the ball tank. Does not come off, and the attachment state can be firmly maintained.
[Brief description of the drawings]
FIG. 1 is a rear view of a pachinko machine.
FIG. 2 is a perspective view of a main part showing a mounting state of a sphere tank.
FIG. 3 is a perspective view of a main part showing a state in which a ball tank is removed.
FIG. 4 is a perspective view of a locking tool.
FIG. 5 is a cross-sectional plan view showing a mounting state of a sphere tank.
FIG. 6 is a cross-sectional view of a main part showing a locked state of the locking tool.
FIG. 7 is a cross-sectional view of a main part showing a mounting state of a sphere tank.
[Explanation of symbols]
5 Mechanism plate 6 Ball tank 10 Mounting portion 13, 13 Mounting fixing portion 14 Locking tool 15 Insertion opening 22, 22 Mounting piece

Claims (1)

Hand fixing unit Mounting on both side edges of the mounting portion you protruded on the back surface formed above sphere tank pachinko, on both sides of the sphere tank provided an attachment piece which fits into the fixing lug, further a spherical tank mounting structure of the pachinko machine to form a locking tool to insert the fixing lugs separately,
The mounting fixing portion is divided into an upper mounting fixing portion and a lower mounting fixing portion by an insertion gap formed in an intermediate portion, and orthogonal to the mounting direction of the spherical tank in each of the upper and lower mounting fixing portions. An insertion opening that opens in the direction to be formed is formed,
The attachment piece is formed with an insertion opening that is inserted into the attachment fixing portion.
The locking tool is formed in a substantially U-shape with the upper part opened upward, and both sides thereof are elastic locking pieces,
With the ball tank facing the mounting portion, the insertion opening of the mounting piece is fitted into the mounting fixing portion, and the mounting piece is simultaneously inserted and locked from the insertion opening of the mounting fixing portion. A ball tank mounting structure for a pachinko machine, wherein the ball tank can be mounted by pressing it down.

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