JPH1176560A - Circuit board box for pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a criminal act by enabling accurate discovery of illegally unsealing in a circuit board box of a pachinko machine. SOLUTION: In a paint-sealed case, a compressed gas containing a paint P is sealed into the body 6 thereof and the closing of a paint injection port with a pin 8 to be pressed is held by a sealing tool (sealing yarn 9) before the assembling of the case into a circuit board box. The sealing tool is cut to be unsealed and moreover, the pin 8 to be pressed 8 is pressed by an assembling force of a box body 1 and a cover body 2. Thus, while the closing of the paint injection hole of the paint sealed case with the pin 8 to be pressed is maintained, the paint-sealed case is assembled into the circuit board box.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a board box in a pachinko machine in which a box body and a cover body are assembled in a sealed state and a control board is housed therein. The present invention relates to a board box that can be surely recognized when opened to prevent fraud.

[0002]

2. Description of the Related Art In a pachinko machine, a control board for controlling a game is mounted on a pachinko machine main body in a state housed in a sealed board box. Various electronic components such as a ROM in which a control program is written and a CPU for controlling are mounted on the control board. In recent years, fraudulent acts such as opening a board box and replacing a fraudulent ROM in which a program has been rewritten so that the winning probability becomes abnormally high with a legitimate ROM have occurred.

[0003] A usual sealing structure of a board box is a method in which a box body and a cover body are screwed together, and a sealing seal is stuck on the box body and the cover body. However, after skillfully peeling off the seal, the board box was opened and the internal ROM was replaced with an unauthorized ROM.
If the cover body is closed again and the sealing sticker once peeled off is reapplied, it is difficult to recognize that the wrongdoing has been performed in appearance, and this kind of wrongdoing occurs frequently.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to prevent the occurrence of the above-mentioned fraud by ensuring that the board box of a pachinko machine has been opened.

[0005]

In order to solve the above-mentioned problems, a means adopted in the present invention is a pachinko machine in which a box main body and a cover are assembled in a sealed state and a control board is housed inside. In the substrate box, the paint is sealed in the case body, and before being incorporated into the board box, a paint sealing case having a configuration in which the closed state of the paint ejection hole by the pressed pin is held by the sealing member, In the opened state where the sealing device has been cut,
In addition, the pressed pin is pressed by an assembling force between the box body and the cover body, and the paint-filled case is placed in the substrate box in a state where the paint-out hole of the paint-filled case is kept closed by the pressed pin. Is to incorporate.

In the production of a pachinko machine, a control board is tested after assembling the board box, and the paint enclosing case is kept sealed until the test process. That is, until the test process of the control board, the sealed paint enclosing case is incorporated into the board box, and in the test process of the control board, if a defect is found, open the board box, Although the control board and various mounted electronic components are replaced, the paint-filled case remains sealed, so there is no danger that the paint inside will scatter when the board box is opened. Then, only when it is determined that there is no abnormality in the control board, in the final step, insert a cutting tool from a small hole provided on the side surface of the cover body, cut the sealing tool of the paint enclosure, and open it. Then, it becomes a "set state", and the board box is in a state where fraud can be prevented.

[0007] As described above, in the board box according to the present invention, the paint-enclosed case is housed in the opened "set state" between the sealed box body and the cover body. When the box is opened, the pressed pin pops out due to the pressure in the paint enclosing case, and at the same time, the paint ejected from the paint enclosing case scatters around and adheres to the periphery. Thereby, the paint adheres to the inside of the substrate box or to a person who has illegally opened the substrate box, so that the illegality can be easily found.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail by way of examples. Figure 1 is an exploded perspective view of a main portion of the board boxes B ₁ of the first embodiment of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a sectional view taken along line X-X in FIG. 2 There, FIG. 4 is an enlarged sectional view of a portion of the coating encapsulating housing C of FIG. 2, FIG. 5 is a partial cross sectional view showing a state in which opening the substrate box B _1. The board box B ₁ is composed of a box body 1 having a shallow box shape and a cover body 2, and a control board 3 is integrally attached to an opening of the box body 1 via a plurality of screws 4. I have. This control board 3 includes:
ROM in which control program is written, CP that controls
Various electronic components (not shown) such as U are mounted. The cover body 2 is assembled integrally with the box body 1, and the control board 3 is stored between the two.

The box body 1 and the cover body 2 are integrally assembled via screws 15 (see FIG. 2) which will be described later, and their peripheral walls 1a and 2a are provided with sealing tapes 5 at a plurality of places. Is affixed in a state of straddling between both peripheral wall portions 1a and 2a. This sealing tape 5
Although the substrate box B ₁ is is intended to discover that it has been opened fraudulently, when affixed again after skillfully peeled, it its discovery difficult, in the section "Background of the Invention" As described.

[0010] Therefore, in the present invention, as the substrate box B ₁ is easily found to have been opened, paint encapsulating housing C are incorporated therein. As shown in FIGS. 1 and 4, the paint-enclosed case C is provided at the center of a case body 6 having a shape in which the upper and lower surfaces of a cylindrical body are closed, and an upper wall 6 a of the case body 6. And a pressed pin 8 for closing the paint ejection hole 7. The case body 6 is made of a resin, and grooves 11 for inserting and fusing both ends of a sealing thread 9 made of a resin thread are formed in opposing portions of the peripheral wall 6b. 6 are formed along the axial direction.

A positioning pin 13 is provided at the center of the bottom wall 6c of the case body 6 so as to be fitted into a positioning hole 12 provided in the control board 3. The pressed pin 8 is a member that closes the paint ejection hole 7 of the case body 6 via an O-ring 14, and is a member that closes the paint ejection hole 7.
The O-ring mounting portion 8b which keeps the airtight by pressing the O-ring 14 fitted on the outer periphery, and the pressed portion 8c pressed by the cover body 2 This is a configuration provided in this order. The pressed portion 8c is provided with a sealing thread insertion groove 8d in the longitudinal direction at the center of the cylindrical body and has a forked shape.

The paint-filled case C has a structure in which a compressed gas containing paint is sealed in the case body 6, and the closed state of the paint ejection hole 7 by the pressed pin 8 is maintained by the sealing thread 9. That is, the positioning pin portions 8a of the pressed pins 8 are inserted into the paint ejection holes 7 of the case body 6, and both ends of the sealing thread 9 inserted into the sealing thread insertion grooves 8d of the pressed pins 8 correspond to the respective ends of the case body 6. The O-ring 14 is inserted into the groove 11 and is integrally fused to the case body 6 to maintain the compression-deformed state of the O-ring 14, thereby maintaining the closed state of the paint ejection hole 7.

Then, as shown in FIGS. 1 and 4,
With the paint enclosing case C sealed, the positioning pin 13 provided on the bottom wall 6c of the case body 6 constituting the paint enclosing case C is fitted into the positioning hole 12 provided on the control board 3. After the paint enclosure C is positioned with respect to the control board 3, the box main body 1 to which the control board 3 is mounted and the cover 2 are integrally assembled via screws 15 (see FIG. 2). , Sealing tape 5
Is used to seal the box body 1 and the cover 2 at a plurality of locations. Paint-enclosed case C in cover 2
Is provided in a portion corresponding to the arrangement position of the box, and when the box body 1 and the cover body 2 are assembled together, the pressed portion 8c of the pressed pin 8 becomes
The cover 2 is pressed by the concave wall portion 16. The reason why the concave wall portion 16 is provided on the cover body 2 in this manner is to increase the rigidity of the portion and to prevent the deformation by pressing the pressed pin 8. In addition,
If the rigidity of the contact portion of the cover body 2 with the pressed pin 8 can be ensured, the structure may be such that the pressed pin 8 directly contacts the back surface of the cover body 2 without providing the concave wall portion 16. . Further, a contact portion for contacting the pressed pin 8 to maintain the blockage of the paint discharge port 7 may be extended from the side surface of the cover body 2. In each of these examples,
In any case, since a part of the cover body 2 is brought into contact with the pressed pin 8 to maintain the blockage of the paint discharge port 7, the cover body 2 is only closed and pressed in the “set state”. There is an advantage that the protrusion of the pin 8 can be prevented.

After assembling the board box B ₁ as described above, various tests of the control board 3 are performed. As a result, if a defect is found, the board box B ₁ is opened. Replacement of the control board 3, the control board 3
Various electronic components mounted on the device are exchanged. By this way, failure of the discovery of the control board 3, even if opening the substrate box B _1, since the coating encapsulating housing C is the remains sealed, closed state of the coating material ejection hole 7, O-ring 14 and the It is maintained by the pressing pin 8 and there is no danger that the compressed gas inside blows out and the paint scatters around.

If no defect is found as a result of the initial test of the control board 3 or the retest of the control board 3 after the replacement, as shown in FIG. When the sealing thread 9 of the paint enclosing case C is cut by the cutting tool 18 inserted through the cutting tool insertion small hole 17 provided in the vicinity of the portion 16, the paint enclosing case C is opened and the “set state” is set. . When coating encapsulating housing C is "set state", the substrate box B ₁ represents the pressing force does not act on the state to become (a pressed pin 8 which can fraud,該被pressing pins 8 by the internal gas pressure The paint jumps out and the paint can be scattered around.)

Before closing the cover 2, the control board 3
If the inspection is completed, the paint enclosing case C may be set to the "set state" when the cover 2 is closed. In this case, the cutting tool is attached to the inner surface of the cover body 2 so that the blade of the cutting tool is arranged at a portion corresponding to the position of the sealing thread 9 of the paint enclosing case C inside the cover body 2. It should be left. As a result, the sealing thread 9 is cut by the cutting tool at the same time as the cover body 2 is closed.
Thus, it is not necessary to provide the small holes 7, so that the small holes 17 can be prevented from being tampered with.

[0017] Then, been opened fraudulently a substrate box B ₁ incorporated in a pachinko machine, the and the box body 1 and the cover 2 are separated, as shown in Figure 5, in the coating encapsulating housing C At the same time as the pressed pin 8 pops out due to the gas pressure, the internal compressed gas is jetted out, and the paint P contained therein scatters around. This enables you to adhere paint in the substrate box B _1, or paint P is or adheres against unauthorized person who has opened the substrate box B _1, can be reliably discover fraud.

Next, another embodiment of the present invention will be described. Figure 6 is an exploded perspective view of a main portion of the board box B ₂ of the second embodiment of the present invention, FIG. 7, the cover body 2
FIG. 8 is a partial perspective view of the sealing flange portion 25 provided on the substrate box _{2 when} viewed from below, FIG. 8 is a partial cross-sectional view of each of the sealing flange portions 24 and 25 of the board box B2 in a sealed state, and FIG. a partial sectional view of the sealing flange portions 24, 25 of the substrate box B ₂ in a state in which opening the substrate box B _2, FIG. 10 is a line Y-Y cross-sectional view of FIG. Note that the same parts as the parts described in the board box B ₁ of the first embodiment described above are denoted by the same reference numerals, to avoid redundant description, the unique portion of the substrate box B ₂ of the second embodiment only explain. As shown in FIGS. 6 and 8, the board box B ₂ has a configuration in which a box body 21 and a cover body 22 are integrally assembled in a sealed state, and a control board 23 is housed therein. , sealed structure of the box body 21 and the cover member 22 is different from the substrate box B _1. That is, when the paint enclosing case C is placed on the control board 23 housed and fixed at the bottom of the box body 21, the upper end surface of the pressed pin 8 is substantially the opening surface of the box body 21. And is deeper than the depth of the cover body 22.

The box body 21 and the cover body 22 are integrally assembled via screws (not shown),
Outside each of the peripheral wall portions 21a and 22a,
Sealing flange portions 24 and 25 are provided so as to be flush with the opening end surfaces of the opening flanges a and 22a. The sealing flange portions 24 and 25 are rotatable only in the tightening direction, and are not rotatable in the loosening direction. Non-rotatable one-way screw 26
And are integrally connected via a. Therefore, after connecting the respective sealing flanges 24, 25 via the one-way screw 26 integrally, the structure in which the screw 26 is not loosened, and sealed substrate box B _2. The box body 21 and the cover body 22 are provided with a sealing tape 5 on both sides of each of the sealing flange portions 24 and 25 in a state of straddling them, and the one-way screw 2
6, the sealing is performed in combination with the sealing structure by connecting the sealing flange portions 24, 25. Board box B ₂ of the second embodiment, when the sealing flange 24, 25 has been opened is illegally cut, so that the unauthorized reliably discovered.

As shown in FIGS. 6, 8 and 10, the position of the paint enclosing case C placed on the control board 23 is determined by the position of the sealing flange 24 inside the peripheral wall 21a of the box body 21. The positioning hole 27 is provided in the control board 23 located in the inner part.

Further, as shown in FIGS. 7 and 8, the pressing rod 28 for pressing the upper end face of the pressed pin 8 of the paint enclosing case C is a square rod having a rectangular cross section, and its base end. This is a configuration in which a circular retaining portion 28a is integrally provided in the portion. When assembling the box body 21 and the cover body 22 integrally, almost half of the base end side of the pressing rod 28 fits into a fitting groove 29 provided on the back side of the sealing flange 25 of the cover body 22. the combined, and almost half of the free end side enters protrudes assembled within the substrate box B _2.
As shown in FIGS. 8 and 10, the fitting groove 29 provided in the sealing flange 25 of the cover body 22 is provided.
When the box main body 21 and the cover body 22 are integrally assembled by fitting approximately half of the base end side of the pressing rod 28 to the lower end, the lower surface of the pressing rod 28 is the upper surface of the sealing flange portion 24 of the box main body 21. The pressing rod 28
A predetermined gap 31 is formed above and on both sides other than the base end of the seal flange, and when the sealing flanges 24 and 25 integrally connected are cut off illegally, the fitting is performed. The pressing rod 28 is easily detached from the mating groove 29.

Further, assembly of the substrate box B ₂ is performed as follows. The positioning pin 13 at the bottom of the paint case C is fitted into the positioning hole 27 of the control board 23 so that the paint case C is set on the control board 23 housed in the box body 21 and the cover body 2 is set.
The base half of the box main body 21 is fitted with approximately half of the base end of the pressing rod 28 fitted into the fitting groove 29 of the sealing flange portion 25 of FIG.
And the cover body 22 are integrally assembled via screws (not shown). Then, the sealing flange portions 24 and 25 are integrally connected via one-way screws 26, and both the box body 21 and the cover body 22 are joined together. In a state of straddling the peripheral wall portions 21a and 22a, the sealing tape 5 is attached to the portion to seal. Thereby, as shown in FIG. 8, the upper end surface of the pressed pin 8 of the paint enclosing case C is pressed by the tip of the pressing rod 28. After that, the control board 2
When the test of No. 3 is performed and it is determined that there is no defect, the cutting tool 18 is cut through the small hole 32 provided in the cover body 22.
The insert in the substrate box B _2, when cutting the seal yarns 9 of the paint encapsulating housing C, paint encapsulating housing C is opened, the "set state".

[0023] Each sealing flanges 24, 25 of the substrate box B ₂ incorporated in the pachinko machine is illegally cut, when the box body 21 and the cover body 22 is separated, as shown in FIG. 9 Then, the cut pressing rod 28 easily comes out of the fitting groove 29 of the cover body 22, and the pressed pin 8 pops out due to the gas pressure in the paint enclosing case C, and at the same time, the internal compressed gas blows out. The paint P contained therein scatters around and adheres to the periphery.

In each of the board boxes B ₁ and B ₂ , several kinds of paint enclosing cases to be incorporated therein are prepared with different kinds of paint colors, and police inspect the board in the hall. In this case, when the paint-filled case is activated, the activated paint-filled case is removed, and another paint-filled case filled with a paint of a different color is set again, so that the substrate can be reused. For reuse of the substrate, in the substrate box B _1, it is necessary to re-seal the sealing tape 5. Board box B
_{In 2} , the sealing flange portion 25 is provided at a plurality of positions, and another paint enclosing case is reset at a position corresponding to another sealing flange portion 25, or a non-linear shape reaching the portion of the paint enclosing case is obtained. It is sufficient to reset another paint enclosing case to the same position as before by using the push bar in a shape of a circle.

In the board box B ₂ ,
The pressing rod 28 is fitted in the fitting groove 29 provided in the sealing flange 25 of the cover body 22. A fitting groove is provided in the sealing flange 24 of the box body 21, and this fitting groove is pressed. It is also possible to adopt a configuration in which the rod 28 is fitted.

As shown in FIGS. 11 and 12, the sealing structure of the paint enclosing case C is also provided on the bottom wall 6c and the positioning pin 13 of the case main body 6 at the peripheral wall 6b of the case main body 6. The rubber ring 34 is wound around each of the grooves 11 and 33 and the sealing thread insertion groove 8 d of the pressed pin 8. Of the pressed pin 8 by the elastic restoring force of
May be configured to prevent the protrusion of the protrusion.

Further, the structure of the paint enclosing case may be such that the pin to be pushed out pops out and the enclosed paint is discharged at the same time by the internal pressure. However, the present invention is not limited to the one in which the compressed gas containing the paint is sealed. For example, the interior of the case is separated into a paint chamber, which is disposed in the case and communicates with the paint ejection hole via a piston, and a compressed gas chamber, and paint and a compressed gas are separately sealed in each chamber. It is also possible to keep. In this case, a compression spring may be elastically mounted in the compression gas chamber, and the paint may be discharged from the case by the restoring force of the compression spring.

Further, with respect to the structure for preventing the pushed pins of the paint-enclosed case incorporated in the substrate box in the opened state, the pushed pins are prevented from jumping out by the assembling force between the box body and the cover body. Any structure may be used as long as the sealing flange portion is in contact with the upper end surface of the pressed pin against the back surface of the cover body as in each of the above embodiments. The structure is not limited to the structure in which the upper end surface of the pressed pin is pressed by a pressing rod attached in a shape sandwiched therebetween.

[0029]

In the board box of the pachinko machine according to the present invention, the paint is sealed in the case body, and before the assembly into the board box, the closed state of the paint ejection hole by the pressed pin is held by the sealing member. The sealing member is cut and opened, and the pressed pin is pressed by the assembling force between the box body and the cover, and the pressed pin is closed. The above-mentioned paint enclosing case is incorporated in the substrate box in a state where the paint ejection hole of the paint enclosing case is kept closed by the above, so that the following various effects are exerted.

(1) If the board box is opened improperly, the pin to be pushed out pops out due to the pressure in the paint enclosing case, and at the same time, the paint inside scatters around and adheres to the periphery, so that it is easy to find the fraud. In addition, when the paint adheres to a fraudulent person, the fraudulent person can be specified.

(2) The paint in the paint-enclosed case has a structure in which the paint in the paint-enclosed case is scattered and adheres to the surroundings. , The psychological effect of stopping the execution of the injustice acts, and the execution rate of the injustice can be reduced.

(3) A paint enclosing case is built in the board box before the test of the control board. However, even if the control board is defective due to the test and the board box is opened for replacement or the like, Since the paint enclosing case is in a sealed state in which the paint in the inside is not spouted and scattered, there is no problem even if the board box is opened for replacement of the control board or the like. Then, when it is confirmed that there is no defect in the finally stored control board, the sealing tool of the paint enclosing case is cut for the first time, so that the paint inside is in a `` set state '' in which the paint can be ejected, If the board box is opened improperly, the paint in the paint enclosing case will surely squirt and scatter and adhere to the surroundings.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main part of a board box B1 according to a _first embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a sectional view taken along line XX of FIG. 2;

FIG. 4 is an enlarged sectional view of a portion of a paint-enclosed case C of FIG. 2;

5 is a partial cross-sectional view of a state in which opening the substrate box B _1.

FIG. 6 is an exploded perspective view of a main part of a board box B2 according to a _second embodiment of the present invention.

FIG. 7 shows a sealing flange portion 25 provided on the cover body 22.
FIG. 2 is a partial perspective view of the device viewed from below.

8 is a partial cross-sectional view of the sealing flange portions 24, 25 of the substrate box B ₂ in sealed state.

9 is a partial cross-sectional view of the sealing flange portions 24, 25 of the substrate box B ₂ in a state in which opening the substrate box B _2.

FIG. 10 is a sectional view taken along line YY of FIG. 8;

FIG. 11 is a perspective view of the paint-filled case C sealed with a rubber ring 34 as viewed from the bottom.

FIG. 12 is a longitudinal sectional view of the same.

[Explanation of symbols]

B ₁ , B ₂ : Substrate box C: Paint case P: Paint 11, 21 Box body 22, 22: Cover body 3, 23: Control board 6: Case body 7: Paint ejection hole 8: Pressed pin 9: Sealing thread (sealing implement) 24, 25: sealing flange 26: one-way screw 28: pressing rod 34: rubber ring (sealing implement)

Claims (3)

[Claims] 1. A board box in a pachinko machine in which a box body and a cover body are assembled in a sealed state, and a control board is housed in the box body. Before being assembled into the box, the closed state of the paint ejection hole due to the pressed pin is provided with a paint enclosing case configured to be held by a sealing tool, and the sealing tool is cut and opened, and the box body and the cover are further closed. The pressed pin is pressed by the assembling force with the body, and the paint-filled case is assembled in the board box in a state where the pressed pin closes the paint ejection hole of the paint-filled case. When the box is opened, the pressed pin pops out due to the pressure in the paint-enclosed case, and at the same time, the paint in the paint-enclosed case gushes out, and the paint circulates. A board box in a pachinko machine, wherein the board box is configured to be scattered and attached to a side. 2. In a state where the box body and the cover body are integrally assembled, the pressed pin constituting the paint-enclosed case directly contacts the back surface of the cover body and is pressed by the cover body. The board box in the pachinko machine according to claim 1, wherein: 3. A cutting tool is mounted inside the cover body, and when the cover body is closed, the sealing tool of the paint enclosing case is cut by the cutting tool. 2. The board box in the pachinko machine according to 1.