JP3630195B2 - Control circuit device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a control circuit device such as various control devices attached to the back side of a gaming board in a gaming machine such as a pachinko gaming machine.
[0002]
[Prior art]
In a conventional gaming machine, for example, a pachinko gaming machine, on the back side of the gaming board, a control circuit such as an accessory control device that controls various accessory devices and a ball discharge control device that controls the ball discharge device is provided. A control circuit device housed in the box is provided.
Such a control circuit device accommodates a control circuit board on which a large number of various electronic components such as various ICs (Integrated Circuits) and resistors are mounted in a circuit box made of metal or resin, and from the outside. It can be attached to the gaming machine (the back side of the game board).
[0003]
The control circuit device has a connector portion for electrically connecting the control circuit device and various devices such as an accessory device and a ball discharge device to the outside from an opening formed on the side surface of the circuit box. It is provided at the end of the control circuit board in an exposed state.
In addition, electrical connections are made by inserting connectors with connectors at both ends into the respective connector sections of the control circuit device and various devices such as the accessory device and ball discharge device. ing.
[0004]
Generally, the control circuit device has a configuration in which a control circuit board is housed in a box body in which a bottom member and a cover member on the surface are overlapped.
And the illegal act against the control circuit board in the box body is to remove the cover member, open the box body, and replace electronic parts such as ROM (Read Only Memory) provided in the internal control circuit board. As a result, illegal game performance that is not regular game performance is obtained.
For this reason, in the control circuit device, once the box body is opened, a sealing seal is attached to the overlapping portion of the bottom member and the lid member, or the surface of the box body is made of a clear resin. It was configured so that the state of the internal control circuit board was visible from the outside.
[0005]
[Problems to be solved by the invention]
However, in the conventional control circuit device, the bottom member and the lid member are structurally assembled only by screws, and the box body is configured. Therefore, it is easy to remove the lid member and open the box body. It was.
In addition, if the box body is prevented from being illegally opened by a seal sticker attached to the overlapping part of the bottom member and the lid member, this is effective for easy fraudsters, but very professional For example, the actual fraudulent person has a fake seal, so the effect is lost.
[0006]
Therefore, an object of the present invention is to provide a control circuit device that can prevent unauthorized opening of a box body that houses a control circuit board.
Another object of the present invention is to make it easy to recognize that an unauthorized act of opening the box body has been performed even if there is an act of opening the box body illegally in the control circuit device.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the invention described in claim 1
For example, a control circuit board on which a plurality of electronic components such as a ROM are mounted in order to control an electrical device such as a variable display device in a pachinko gaming machine or an accessory device represented by a variable prize device, and this control circuit board. In a control circuit device comprising a box body to be accommodated,
The box body is made of a metal bottom member and the inside can be visually recognized.Made of transparent resinThe lid member is configured to accommodate the control circuit board,
Forming a superposed portion where the bottom member and the lid member overlap each other at the side surface, etc.
In this superposition partBy connecting each overlapped portion through the unauthorized opening prevention stopper member to the joint hole formed to match each other, the unauthorized opening prevention stopper member isUnless destroyedThe box bodyA joint structure for preventing unauthorized opening that cannot be opened is applied.And
The lid member is attached to the bottom member by screwing four corners, and the overlapping portion is provided on each of two parallel side portions between the screwing portions and the box body is illegal. It was configured so that the overlapping part was destroyed when opened.It is characterized by.
[0008]
here,Tamper-release prevention stop memberUnless destroyedBox bodyAs a coupling structure for preventing unauthorized opening that can not be opened, rivet fastening is typically mentioned, but not only rivet fastening, but it is difficult to open the box body, and any structure that can be seen to be opened may be used. For example, a structure in which the locking portion is formed of resin and once stopped, may be structured such that it cannot be opened unless the locking portion is destroyed.
The control circuit is represented by, for example, an accessory control circuit that controls various electrical devices such as a variable display device, a variable winning device, a winning ball sensor, a decorative LED and a lamp provided in a gaming machine. Is.
[0009]
Thus, in the overlapping portion where the bottom member and the lid member constituting the box body overlap each other,An unauthorized opening prevention stop member that joins each overlapping portion through a joint hole formed to match each other.Unless destroyedBox bodySince the control circuit device has a coupling structure for preventing unauthorized opening that cannot be opened, it is possible to prevent unauthorized opening of the box body by removing the lid member.
Moreover, the lid memberIsMake the inside visibleMade of transparent resinTherefore, since not only the front side but also the back side of the coupling structure part for preventing unauthorized opening can be seen well, it can be easily confirmed whether it is normal or not.
[0010]
And the invention of Claim 2 is
The control circuit device according to claim 1,
The overlapping portion is provided on two side surfaces orthogonal to one side portion provided with the connector portion of the control circuit device,
The lid member is configured in a box shape with an open bottom surface,
The bottom member is formed with a folded piece folded upward on a side portion parallel to the connector portion.It is characterized by.
[0016]
And claimsTo 3The described invention
Claim1 or claim 2The control circuit device according to claim 1,
Inside the lid member, a metal antistatic member is arranged connected to the control circuit board, etc.
In addition, the coupling structure for preventing unauthorized opening includes a coupling member such as a metal rivet that communicates the bottom member, the lid member, and the antistatic member and that conducts the bottom member and the antistatic member. It features a configuration using
[0017]
Thus, the claim1 or claim 2Since the coupling structure for preventing unauthorized opening described is a control circuit device using a coupling member that communicates the antistatic member, the bottom member, and the lid member inside the lid member, the bottom member and the lid member are connected to the antistatic member. By combining them together, the box body can be closed more robustly, and the part to which the inner joint member is applied is a metal antistatic member. Does not occur.
Further, since the coupling member that conducts the static electricity prevention member and the bottom member is used, the coupling member ensures the electrical connection between the static electricity prevention member and the bottom member that is electrically at the ground level. It becomes a control circuit device that is resistant to the above.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the control circuit device according to the present invention will be described with reference to FIGS.
[0023]
First, FIG. 1 shows a gaming machine as an example to which the present invention is applied, and is a rear view of a state in which a game board and a base frame are attached to a main body frame. In the figure, 1 is a main body frame (front frame). 2 is a base frame (back mechanical base board), 3 is a game board, 4 is an upper winning ball guide member, 5 is a lower winning ball guide member, 6 is a variable display device (main accessory device), and 7 and 8 are relays Reference numeral 11 is a control circuit device (an accessory control circuit device), 12 is a power supply unit, 13 is an outlet plug, 14 is a ball launcher, 15 is another control circuit, and 16, 17 and 18 are flexible printed circuit boards. .
[0024]
In this gaming machine, as shown in the figure, a back mechanical base board 2 constituting a base frame body on the back side is attached to the back side of the front frame 1 as a main body frame, and the game is positioned in front of the back mechanical base board 2. A board 3 is attached inside the front frame 1.
As is well known, the front side (not shown) of the game board 3 is a game area, and the game area includes a variable display device 6, a variable winning device (not shown), a winning ball sensor, decorative LEDs and lamps, and the like. Various electrical devices are arranged.
An upper winning ball guide member 4 and a lower winning ball guide member 5 which are divided into upper and lower portions having a winning ball flow path are attached to the back surface of the game board 3. The variable display device 6 is attached.
A relay base 7 is disposed on the back surface of the variable display device 6, and another relay base 8 is also provided.
[0025]
Then, an accessory control circuit device 11 which is a control circuit device for controlling various electric devices such as the variable display device 6, the variable winning device, the winning ball sensor, the decorative LED and the lamp provided in the gaming area described above is provided. Is provided.
This accessory control circuit device 11 is attached to the back mechanical base board 2, that is, as described later on the lower part of the back mechanical base board 2 having an opening 2 a sized so as to substantially surround the winning ball guiding members 4 and 5. Attached.
On the back side of the front frame 1 including the back mechanical base board 2, a power supply unit 12, an outlet plug 13, a ball launcher 14, another control circuit 15, and the like are provided, and the accessory control circuit device 11 and the relay base 7, 8 and the other control circuit 15 are connected by flexible printed circuit boards 16, 17 and 18.
[0026]
Next, FIG. 2 is an enlarged perspective view of the accessory control circuit device 11, and FIG. 3 is an exploded perspective view thereof. In these drawings, 21 is a box body, 22 is a bottom member, 23 is a lid member, 24 is an accessory control circuit board, 25 is an electronic component, 26 is a connector part, 35 is a folded part, 41 is a superposition part (step part), 42 and 47 are coupling holes, 56 is an antistatic member, 61 is a rivet, 63 Is a seal.
That is, the box body 21 includes a metal bottom member 22 and a resin lid member 23. The box body 21 is fixed on the bottom member 22 and covered with the lid member 23 on the accessory control circuit board 24. Various electronic components 25 are mounted, and a connector portion 26 is mounted on one side thereof.
The connector part 26 is exposed to the outside from a connector part opening 27 formed in a notch shape along the lower part of one side part of the lid member 23, and a plurality of connector parts 26 are provided on the side part having the connector part opening 27. Are formed.
[0027]
The bottom member 22 is made of a metal that forms a ground surface so as to be strong against electrical signal noise such as static electricity, and the folded piece 31 that enters the lid member 23 is formed on three sides of the bottom plate portion. , 32, 33, 34, 34, and on the two parallel sides of the bottom plate portion, between the folded pieces 32, 34 and between the folded pieces 33, 34, Folded pieces 35 and 35 are formed which are flush with each other.
Further, mounting pieces 36, 36, 36, 36 are provided at portions corresponding to the four corners of the lid member 23 of the bottom plate portion, and driver insertion holes 37, 37, 37, 37 are formed.
Then, an upward short bent piece 38 is formed on one side parallel to the folded piece 31 of the bottom plate portion, and an upward short bent piece 39, 39 is also formed between the attachment pieces 36, 36 on both sides. Is forming.
[0028]
The lower part of each of the folded pieces 31, 32, 33, 34, 34, 35, 35 and the folded piece 38 of the bottom member 22 also serves as a heat radiating port along the upper surface of the bottom plate part, and measures against fraud. Therefore, a heat radiating and peephole opening for looking through the back surface of the accessory control circuit board 24 is formed as shown.
The upper portions of the folded pieces 35, 35 that are located between the folded pieces 32, 34 and between the folded pieces 33, 34 and are flat with the side surfaces of the lid member 23 are the side surfaces of the lid member 23. Inwardly stepped portions 41, 41 forming overlapping portions entering the inside of the portion.
Note that coupling holes 42 and 42 are formed on one end side of the step portions 41 and 41, respectively.
The folded piece 38 parallel to the folded piece 31 is placed on one side provided with the connector part 26 of the accessory control circuit board 24.
[0029]
The lid member 23 is made of a resin having a box shape with an open bottom surface, and in particular, a lid member 23 formed of a transparent clear member that can be seen through the internal accessory control circuit board 24 is used for preventing fraud. The connector portion opening 27 is formed in a cutout shape along the lower portion of the one side surface portion.
The lid member 23 has mounting bosses 43, 43, 43, 43 projecting from the four corners inside thereof.
In addition, the two side surfaces parallel to each other in the orthogonal direction from the side surface having the connector opening 27 are notched so that the folded pieces 35 and 35 of the bottom member 22 are aligned to form a flat surface. The parts 44, 44 are formed, and mounting bosses 45, 45, 45 projecting outward are provided on both sides thereof. Each of the mounting bosses 45, 45, 45 incorporates one-touch stoppers 46, 46, 46 for mounting on the back of the gaming board of the gaming machine described above.
Further, at the upper part of the notch-shaped portions 44, 44 on both sides, coupling holes 47, 47 that respectively match the coupling holes 42, 42 are formed in the overlapping portions with the step portions 41, 41, respectively.
[0030]
The accessory control circuit board 24 is mounted with a large number of electronic components 25 such as ROM on the board in order to control various devices such as the game machine equipment and the ball discharge device described above, and one side on the board. The connector part 26 is mounted on the part.
Mounting holes 51, 51, 51, 51 corresponding to the four corners of the lid member 23 are formed in the accessory control circuit board 24. Resistors, semiconductors, ICs and the like are formed on the inner board. A large number of various electronic components 25 are mounted.
A large number of various connectors 52 are mounted and provided on one side extended from the mounting holes 51 and 51 of the control circuit board 4.
Further, a probability setting key 53 of a gaming machine is provided on the surface portion of the lid member 23 on the side where the one cutout portion 44 is present.
Note that the metal surface (ground surface) of the accessory control circuit board 24 is exposed around the mounting hole 51, and is brought into contact with the bottom member 22 by screwing. In the figure, 54 is a power cord and 55 is a power plug socket.
[0031]
Next, the assembly of the above accessory control circuit device 11 will be described.
After the probability setting key 53 is assembled to the lid member 23 in advance, as shown in FIG. 3, the mounting holes 51 of the accessory control circuit board 24 are mounted on the mounting pieces 36, 36, 36, 36 of the bottom member 22. 51, 51, 51 are overlapped, and the mounting bosses 43, 43, 43, 43 of the lid member 23 are placed on the mounting holes 51, 51, 51, 51, and the driver insertion hole 37 of the bottom member 22 is placed. , 37, 37, 37, and insert a screw (not shown) and screw with a screwdriver.
As a result, the lid member 23 is coupled to the bottom member 22 with the accessory control circuit board 42 interposed therebetween, and thus the box body 21 of the accessory control circuit device 11 is assembled.
[0032]
In such an assembled state of the box body 21, as shown in FIG. 2, the accessory control circuit board is connected to the outside from the connector opening 27 formed in a cutout shape along the lower portion of the side surface of the lid member 23. The connector part 26 provided along one side part of 24 is exposed.
Further, the folded pieces 35 and 35 of the bottom member 22 are matched with the notch-shaped portions 44 and 44 on the two side surfaces of the lid member 23 which are parallel to each other to form a flat surface.
The stepped portion 41 on the inner side of the upper portion of the folded piece 35 is in a contact state where it enters and overlaps the upper inner side of the notch-shaped portion 44 on the side surface portion of the lid member 23.
[0033]
The above-mentioned accessory control circuit device 11 is shown in FIG. 1 by pushing the one-touch stoppers 46, 46, 46 in the mounting bosses 45, 45, 45 around the box body 21 (lid member 23). It is attached to the lower part of the opening part 2a of the back mechanical base board 2 so that it may.
By the way, in the first embodiment, the connecting structure for preventing unauthorized opening of the box body 21 of the accessory control circuit device 11 as described above is performed by riveting as shown in FIG.
[0034]
<First Embodiment>
FIG. 4 is a longitudinal sectional view of a main part showing a first embodiment of the combination structure for preventing unauthorized opening according to the present invention of the accessory control circuit device 11.
In FIG. 4, as described above, 21 is a box body, 22 is a bottom member, 23 is a lid member, 24 is an accessory control circuit board, 25 is an electronic component, 35 is a folded piece, 41 is a stepped portion, and 44 is A notch-shaped portion, 56 is an antistatic member, 61 is a rivet, and 62 is a core.
[0035]
In the first embodiment, the notch-shaped part 44 of the lid member 23 is formed so that the folded pieces 35, 35 of the bottom member 22 are matched to form a flat surface on two parallel side parts of the box body 21. , 44 and the overlapping portions of the stepped portions 41, 41 on the inner side of the upper portions of the folded pieces 35, 35, as shown in FIG. .
That is, an antistatic member 56 made of a ground metal plate in contact with the end metal surface of the accessory control circuit board 24 is overlapped on the inner side of the stepped portion 41, and the coupling hole 47 on the side surface of the lid member 23 from the outside. By inserting a rivet 61 into the coupling hole 42 of the stepped portion 41 and the coupling hole of the antistatic member 56 and pulling the core material 62 inside the hollow portion, the head of the core material 62 expands the outer hollow portion. The rivet 61 is fixed. Thereafter, the core material 62 is cut leaving the head.
As a result, the step 41 at the top of the folded piece 35 of the bottom member 22, the top of the notch-shaped portion 44 at the side of the lid member 23, and the antistatic member 56 are firmly coupled by the rivet 61.
Then, as shown in FIG. 2, sealing seals 63 are pasted from the upper part of the folded piece 35 of the bottom member 22 and the notch-shaped part 44 of the lid member 23 to the surface part.
[0036]
As described above, according to the accessory control circuit device 11 of the first embodiment, the effects listed below can be exhibited.
(1) Since the box body 21 is prevented from being illegally opened, unauthorized opening of the box body 21 can be prevented.
Further, since the surface of the lid member 23 is clear, not only the front side but also the back side of the stop member (rivet 61) for preventing unauthorized opening can be seen well, so it can be easily confirmed whether it is normal.
(2) By preventing unauthorized opening of the box body 21 by stopping the rivet 61, the closed state of the box body 21 can be reliably performed, and unauthorized opening can be further prevented.
Further, since the rivet 61 stop portion of the lid member 23 is made of resin, if the rivet 61 stop is broken and the box body 21 is illegally opened, the resin portion is destroyed. I understand.
[0037]
(3) Since the overlapping portion (stepped portion 41) by the folded portion 35 folded from the bottom member 22 to the side surface portion is prevented from being illegally opened, workability is good.
In addition, since the unauthorized opening prevention stop is performed on the side surface portion of the box body 21, the back side of the unauthorized opening prevention stopping member (rivet 21) can be seen from the clear surface of the lid member 23, and the normal You can check easily.
(4) By confirming that the position of the rivet 61 stop of the box body 21 and the position of the seal seal 63 are close, it is possible to confirm at a glance whether the box body 21 is a normal accessory control circuit device 11 that has not been illegally opened. Easy to do.
(5) The closed state of the box body 21 can be made more robust by fixing the rivet 61 at the portion where the antistatic member 56, the bottom member 22 and the lid member 23 overlap.
Moreover, since the portion to which the force of the inner rivet 61 is applied is the metal antistatic member 56, problems such as breakage due to the rivet 61 stop do not occur.
In addition, since the rivet 61 is fixed, the electrical connection state between the antistatic member 56 and the bottom member 22 that is electrically at the ground level is ensured, so that the accessory control circuit device 11 that is resistant to noise and the like is obtained.
[0038]
<Second Embodiment>
FIGS. 5A and 5B show a second embodiment of a coupling structure for preventing unauthorized opening according to the present invention, wherein FIG. 5A is a longitudinal sectional view of an essential part showing an example of a shallow recess, and FIG. 5B is an example of a deep recess. It is the principal part longitudinal cross-sectional view which showed these.
5A and 5B, as described above, 21 is a box body, 23 is a lid member, 35 is a folded piece, 41 is a stepped portion, 44 is a notch-shaped portion, 56 is an antistatic member, 61 Is a rivet, 62 is a core, and 65 and 66 are recesses.
[0039]
In the second embodiment, as shown in FIG. 5 (a), a recess 65 having a depth in which the head of the rivet 61 is just stored is formed in the rivet 61 portion of the lid member 23 in advance. Thus, the head of the rivet 61 is stored in the recess 65 in a coupled state for preventing unauthorized opening, and the rivet 61 is difficult to remove.
Further, as shown in FIG. 5B, by making the recess 66 deeper than the recess 65 in FIG. 5A, the head of the rivet 61 is stored deeply in the recess 66, and the rivet 61 is more difficult to remove. May be.
[0040]
As described above, according to the accessory control circuit device 11 of the second embodiment, the following effect (6) can be exhibited in addition to the effect obtained by the first embodiment described above.
(6) Since the recesses 65 and 66 for accommodating the head of the rivet 61 are formed in the lid member 23, it is difficult to perform unauthorized opening by removing the rivet 61 in terms of shape. Since the possibility of destroying part of the concave portions 65 and 66 of the lid member 23 increases, it will be understood later that the box body 21 has been opened illegally.
Further, for example, when the rivet 61 is broken, it is conceivable that the rivet 61 is broken by a drill, but in that case, the hole is enlarged by the drill, and the concave portions 65 and 66 are provided even if the portion is used for riveting again. It is impossible to return to the riveted state before breaking.
[0041]
<Third Embodiment>
FIG. 6 is a longitudinal sectional view of an essential part showing a third embodiment of a coupling structure for preventing unauthorized opening according to the present invention.
In FIG. 6, as described above, 21 is a box body, 23 is a lid member, 35 is a folded piece, 41 is a stepped portion, 44 is a notch-shaped portion, 56 is an antistatic member, 61 is a rivet, and 62 is a core material. And 67 is an easy peeling part.
[0042]
In the third embodiment, as shown in FIG. 6, the rivet 61 portion of the lid member 23 is provided with an easy-to-peel portion 67 that is peeled off by a seal or paint that is partially or wholly removed when the rivet 61 is removed. By setting the rivet 61 after it is provided, if the rivet 61 is removed, a part or all of the easy peeling portion 67 is peeled off.
[0043]
As described above, according to the accessory control circuit device 11 of the third embodiment, the following effect (7) can be exhibited in addition to the effect obtained by the first embodiment described above.
(7) When the rivet 61 is removed from the lid member 23 by removing the rivet 61 and the easy-to-peel part 67 is removed by painting, the rivet 61 is removed and the box body 31 is illegally opened. Since the easy peeling portion 67 is peeled off, it can be seen at a glance that the box body 21 has been illegally opened.
[0044]
<Fourth embodiment>
FIG. 7 is a perspective view of a principal part showing a fourth embodiment of a coupling structure for preventing unauthorized opening according to the present invention.
In FIG. 7, as described above, 21 is a box body, 22 is a bottom member, 23 is a lid member, 35 is a folded piece, 44 is a notch-shaped portion, 61 is a rivet, 63 is a sealing seal, and 68 is stamped. It is.
[0045]
In the fourth embodiment, as shown in FIG. 7, the heads of the rivets 61 are preliminarily provided with inscriptions 68, 68 such as initials of the manufacturer name, and such inscriptions 68, 68 are provided. Using the rivet 61 on the head, as described above, the stepped portion 41 above the folded piece 35 of the bottom member 22, the top of the notched portion 44 on the side surface of the lid member 23, the antistatic member 56, Are firmly connected by a rivet 61 having engravings 68, 68 on the head.
[0046]
As described above, according to the accessory control circuit device 11 of the fourth embodiment, the following effect (8) can be exhibited in addition to the effect obtained by the first embodiment described above.
(8) By marking the head of the rivet 61 with the marking 68, it can be seen at a glance whether the rivet 61 is a regular rivet 61. Since it is understood that the rivet is different, it is immediately known that the box body 21 has been illegally opened.
[0047]
<Example of structure for preventing unauthorized installation of control circuit board mounting part>
FIG. 8 shows an example of a tamper-proof structure for the attachment portion of the accessory control circuit board 24 to the box body 21 (bottom member 22). FIG. 8A shows the mounting of the cap in the driver insertion hole 37 of the bottom member 22. FIG. 4B is a partially broken side view showing a way, and FIG. 5B is a partially broken side view showing a state where the cap is attached to the driver insertion hole 37.
In FIGS. 8A and 8B, 69 is a mounting screw, 71 is a cap, 72 is a small diameter portion, and 73 is a huge portion.
As shown in the figure, the tamper-proof structure example is shown in FIG. 2 in which the accessory control circuit board 24 and the antistatic member 56 are sandwiched between the mounting boss 43 of the lid member 23 and the mounting piece 36 of the bottom member 22. The cap 71 is fitted into the driver insertion hole 37 of the bottom member 22 where the portion fixed by 69 can be seen.
[0048]
That is, as shown in FIG. 8A, the cap 71 having a shape that covers the driver insertion hole 37 from the outside has a massive portion 73 that can be elastically deformed at the tip of the small-diameter portion 72 substantially corresponding to the driver insertion hole 37. For example, it is a relatively hard resin integral molded product.
As shown by an arrow in FIG. 8A, such a cap 71 is inserted into the driver insertion hole 37 of the bottom member 22 while elastically deforming the enormous portion 73 as shown in FIG. 8B. As described above, the periphery of the driver insertion hole 37 with which the small diameter portion 72 engages is sandwiched between the huge portion 73 and the cap 71 main body.
When the cap 71 is attached, the enormous portion 73 cannot be removed from the driver insertion hole 37.
[0049]
Thus, after fixing the accessory control circuit board 24 and the antistatic member 56 between the mounting boss 43 of the lid member 23 and the mounting piece 36 of the bottom member 22 with the mounting screw 69, the bottom member Since the cap 71 having the enormous portion 73 is fitted into the driver insertion hole 37 of the 22 and attached, the cap 71 cannot be removed. Disappear.
Therefore, for example, if the cap 71 is broken, it can be seen at a glance that fraud has been performed.
[0050]
Moreover, the head 68 of the cap 71 may be preliminarily provided with an inscription 68 such as an initial of a manufacturer name as described in the above-described fourth embodiment.
If the head 68 of the cap 71 is engraved in this way, it can be seen at a glance whether it is a legitimate cap 71, and even if it is fraudulent and the driver insertion hole 37 is closed again with a different cap, it is a different cap at a glance. Because it is understood, fraud can be immediately recognized.
[0051]
In each of the above embodiments, the accessory control circuit device is attached to the back side of the game board of the pachinko gaming machine. However, the present invention is not limited to this, and the control circuit in other electronic devices is used. It may be a device.
In the embodiment, the bottom member and the lid member constituting the box body are fastened by screws, but the portions may be riveted.
Furthermore, the shape of the box of the control circuit device is arbitrary, and other specific details including the internal configuration of the control circuit device can be changed as appropriate.
[0052]
【The invention's effect】
As described above, according to the control circuit device according to the first aspect of the present invention, in the overlapping portion where the bottom member and the lid member constituting the box body overlap each other,By connecting each overlapped part through the unauthorized opening prevention stopper member to the joint hole formed to match each other, the unauthorized opening prevention stopper member isUnless destroyedBox bodyA joint structure for preventing unauthorized opening that cannot be opened is applied.In addition, since the overlapping part is destroyed when the box body is illegally opened, it will be understood later that the fraud has been carried out.Unauthorized opening of the box body by removing the lid member can be prevented.
Moreover, the lid member is insideTheMake visibleMade of transparent resinSince not only the front side but also the back side of the coupling structure part for preventing unauthorized opening can be seen well, it can be easily confirmed whether it is normal or not.
[0056]
And claimsTo 3According to the control circuit device according to the invention described above, the coupling member for connecting the static electricity prevention member inside the lid member, the bottom member, and the lid member is used as the unauthorized opening prevention coupling structure.1 or claim 2In addition to the effects obtained by the described invention, the closed state of the box body can be made stronger by the common coupling structure in which the bottom member and the lid member are combined with the antistatic member, and the inner coupling can be achieved. Since the part to which the force of the member is applied is a metal antistatic member, problems such as breakage due to bonding do not occur.
In addition, the coupling member that conducts the antistatic member and the bottom member ensures the electrical connection between the antistatic member and the bottom member that is electrically at the ground level, so that the control circuit device is resistant to noise and the like. It can be.
[Brief description of the drawings]
FIG. 1 shows a gaming machine as an example to which the present invention is applied, and is a rear view of a state in which a game board and a base frame are attached to a main body frame.
FIG. 2 is an enlarged perspective view of the control circuit device of FIG.
3 is an exploded perspective view of the control circuit device of FIG. 2. FIG.
FIG. 4 is a longitudinal sectional view of an essential part showing a first embodiment of a coupling structure for preventing unauthorized opening according to the present invention of a control circuit device.
5A and 5B show a second embodiment of a coupling structure for preventing unauthorized opening according to the present invention, in which FIG. 5A is a longitudinal sectional view of an essential part showing an example of a shallow recess, and FIG. It is the principal part longitudinal cross-sectional view which showed the example.
FIG. 6 is a longitudinal sectional view of an essential part showing a third embodiment of a coupling structure for preventing unauthorized opening according to the present invention.
FIG. 7 is a perspective view of a principal part showing a fourth embodiment of a coupling structure for preventing unauthorized opening according to the present invention.
FIG. 8 shows an example of a tamper-proof structure for the mounting portion of the control circuit board to the box body, (a) is a partially broken side view showing how to attach the cap to the driver insertion hole, ) Is a partially broken side view showing a state where the cap is attached to the driver insertion hole.
[Explanation of symbols]
11 Control circuit device
21 box body
22 Bottom member
23 Lid member
24 Control circuit board
25 Electronic components
35 Folding part
41 Superposition part (step part)
42, 47 connecting holes
56 antistatic material,
61 Rivet
63 Sealed seal
65, 66 recess
67 Easy peeling part
68 engraving
71 cap
73 Enormous copies

Claims (3)

In a control circuit device comprising a control circuit board on which a plurality of electronic components are mounted in order to control electrical equipment, and a box body that houses the control circuit board,
The box body is configured to be able to accommodate the control circuit board by a bottom member and a lid member made of a transparent resin that makes the inside visible.
Forming a overlapping portion where the bottom member and the lid member overlap each other;
Unauthorized opening prevention coupling in which the box body cannot be opened unless the unauthorized opening prevention stopping member is destroyed by coupling the overlapping portions through the unauthorized opening prevention stopping members to the coupling holes formed respectively corresponding to the overlapping portions. structure and facilities and,
The lid member is attached to the bottom member by screwing four corners, and the overlapping portion is provided on each of two parallel side portions between the screwing portions and the box body is illegal. A control circuit device configured to destroy the overlapping portion when opened . The overlapping portion is provided on two side surfaces orthogonal to one side portion provided with the connector portion of the control circuit device,
The lid member is configured in a box shape with an open bottom surface,
2. The control circuit device according to claim 1, wherein the bottom member is formed with a folded piece folded upward at a side portion parallel to the connector portion . Inside the lid member, a metal antistatic member is disposed,
In addition, the coupling structure for preventing unauthorized opening uses a coupling member that communicates the bottom member, the lid member, and the antistatic member and that conducts the bottom member and the antistatic member. The control circuit device according to claim 1, wherein the control circuit device is characterized by the following.

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