JPH11290527A - Electric controller for game - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a tray member and a cover member to be easily and quickly assembled and to prevent an opening aiming at an unifier act. SOLUTION: A board for game parts control is stored and protected in a case 11 made of a transparent resin. The case 11 comprises a tray member 12 fixed on the game machine side to support the board and a cover member detachably assembled onto an opening face side of the tray member 12. An engaging hole 55 and a connection part 23 are formed on the side edge part of the tray member 12 and an engaging piece 60 and a connection part 22 are formed on the side edge part of the cover member 13. Both members 12, 13 are assembled together and retained by screwing a vis 24 after the engaging hole 55 and the engaging piece 6, are engaged, A cap piece 75 is fitted into an opening part of the connection part 22 to make loosening and taking off the vis 24 with a tool unable to suitably prevent an unfair opening of the case 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric control device for games, and more particularly, to a game machine capable of developing a pachinko game, for example. The present invention relates to an electric control device that controls various control processes.

[0002]

2. Description of the Related Art For example, in a pachinko machine or an arrangement ball machine, which is a typical example of a game machine, various prize-winning devices and ball-entering devices as game parts are arranged on a game board set in the machine. , A detection switch, an electromagnetic solenoid, lamps, etc. are arranged in a symbol display device and an electric winning device as an electronic control component, and include a sound effect and a decoration light according to a pachinko game deployed in the game board. An electronic control game can be displayed. Each of these electric components is an electric control device in which a genuine circuit board suitable for each electronic control game is housed in a protective case.
(Generally referred to as a main board or game board) so that the operation is controlled according to the respective moving conditions mainly at the time of setting conditions generated and established during the game or at the time of a special game state. Has become. This electric control device is required to be used normally under the condition that the contents of the software program are the same as those designed and configured by the relevant manufacturer, and that they are the same contents that conform to rigorous tests at testing laboratories. In general, the case is configured in the same form and size common to all models, and a display sticker containing "company name, model name, etc." is attached to the same portion of the case body.

Such an electric control device is composed of a dish-shaped member and a cover-shaped member in which the case body is separated from each other, and the circuit board is set in the dish-shaped member and the cover-shaped member. And is separated from various components of the gaming machine. And the appropriate control contents (soft program)
As an example of a countermeasure to prevent unauthorized modification / change on the premise that the device is used normally, any manufacturer can properly register in the assembly matching part of the dish-shaped member and the cover-shaped member that are screwed to each other. It is obliged to affix an approved seal stamp, and the removal and replacement of circuit boards and the unauthorized remodeling and replacement of electronic components are prohibited and prevented.
However, with such a seal alone, a person who attempts fraud can use easily available instruments and chemicals,
It is possible to quickly and easily remove the certificate paper without damaging it and re-attach it again, and remove the cover-like member in a relatively short time and replace the electronic parts of the circuit board, so that appropriate and suitable fraud prevention It was not a measure.

[0004] Recently, as a new countermeasure example for preventing unauthorized alteration of the board (replacement of the ROM) of the electronic control device, a boss portion is provided at the matching portion between the dish-shaped member and the cover-shaped member of the case body. By integrally forming a special screw (for example, a screw dedicated to tightening) newly developed between these bosses for the purpose of fraud prevention and managed only by the manufacturer (dedicated person in charge), A technique for assembling the dish-shaped member and the cover-shaped member has been proposed, and has already been put into practical use. According to such a technique, at the time of a government official standing inspection of a gaming machine installed in a hall, when inspecting and confirming electronic components on a circuit board in an electric control device, the plate-like member and the cover-like member are used. The cover-like member was removed by cutting the boss together with the screw, and after inspecting the circuit board, the cover-like member was assembled to the original shape using a new genuine screw and boss. I have.

[0005]

The above-mentioned circuit board has various electronic components (CPU, ROM, RAM, etc.) mounted on the front surface and a required circuit pattern formed on the back surface, and has a small thickness as a whole. Formed in the shape of a rectangular plate, the combined edge of the dish-shaped member and the cover-shaped member assembled from the back side and the front side with the circuit board interposed therebetween, the upper edge, the lower edge, and the left edge of the circuit board. It has a rectangular frame shape surrounding the right edge. Therefore, in order to reliably prevent unauthorized opening of the case body for the purpose of unauthorized modification of the circuit board, at least two side edges (for example, upper edge) at each combination edge of the dish-shaped member and the cover-shaped member. And the lower edge, or the left and right edges), the boss is formed at a required position, and the screw is tightened between the aligned bosses. There is a problem that it takes time and effort to assemble the member and the cover-like member.
Further, since the screws are special as described above, the manufacturing cost (unit price) is high, and moreover, since a plurality of the screws must be used for assembling the dish-shaped member and the cover-shaped member, control is required. It is also pointed out that the manufacturing cost of the device itself increases.

[0006]

SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned problems suitably, and is, for example, an electric circuit board detachably mounted on a predetermined portion on the back side of a pachinko game machine. The dish-shaped member and the cover-shaped member constituting the case body for the first embodiment can be easily and easily and quickly assembled and detached by using the detachable engaging portion and the connecting portion for screw fastening. It is another object of the present invention to provide an electronic control device for a game, which is configured so that a cap piece is fitted to the connecting portion so that the screw cannot be loosened to prevent unauthorized opening.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems and to achieve an initial object, the present invention provides an electric machine which is detachably mounted at a predetermined position on the back side of a target gaming machine and can develop a game. Control device for controlling a typical game component, said electric control device comprises: a transparent resin molded dish-shaped member; and a transparent resin molded dish-shaped member detachably attached to the dish-shaped member. With this, together with constituting a protective case body that can be handled as one, between the dish-shaped member and the cover-shaped member, while attaching the board required for controlling the game component, while the dish-shaped member An engaging piece and an engaging hole which can be engaged and disengaged from each other are formed at a combination edge portion with the cover-like member, and a connecting portion for screw tightening is formed.

[0008]

An engagement hole and a connecting portion for screwing are formed at a side edge of the dish-shaped member, and an engagement piece engaging with the engagement hole is formed at a side edge of the cover-shaped member. A connection is formed that matches the connection. Then, by engaging an engagement piece with the engagement hole to connect one side edge of the dish-shaped member and the cover-shaped member, the two members are aligned, whereby a predetermined screw is provided between both aligned connection portions. Screw. Therefore, the dish-shaped member and the cover-shaped member are assembled and held in a state where the board is housed and protected by the engagement of the engagement holes and the engagement pieces and the engagement of the connecting portions. Also, after the screw is completely tightened, the cap piece is fitted into the opening of the connecting portion on the side where the screw is inserted, so that the tool cannot be loosened and removed by the tool at all, and the cover is removed from the dish-shaped member. Unauthorized acts such as remodeling and replacement of the substrate, which are made possible by removing the shaped member, can be suitably prevented.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Next, a preferred embodiment of a game electric control apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

Prior to the description of the electronic control unit, a pachinko gaming machine according to an embodiment will be briefly described with reference to FIG. That is, the pachinko gaming machine P according to the embodiment has, as a basic main configuration, a front frame B which is attached to the outer frame A so as to be openable and closable, and a housing holding fixed to the back side of the front frame B. A mechanism set board D which is attached to the frame C so as to be capable of opening and closing, and a storage holding frame C from the front side of the front frame B;
A game board (not shown), which is detachably housed and set therein, is provided therein, and various devices, instruments, members, and the like are mounted on each part of these main components. Although not shown, a glass door and an upper ball tray are attached to the front side of the front frame B so as to be openable and closable, a lower ball tray, a launching device, and the like are installed, and the upper end also serves as a decoration. Lighting equipment and the like are provided.

The mechanism set board D includes all pachinko gaming machines P classified by machine type (by game content) and size.
The protective cover 1 is set so as to be openable and closable at a window formed on the back side of the game board (not shown) as a basic configuration, and is divided after being used for games on the game board. The discharge path of the out ball and the safe ball to be passed out and the safe ball processing device 2, the storage container 3, the prize ball discharge device 4, the prize ball discharge route 5, etc. relating to the prize ball paid out based on the game result on the game board. , Are formed or assembled at required positions. The lower area of the window serves as a mounting portion for various electrical components, and the accommodation chambers 6 and 7 are formed below the window. A terminal board 8 is set in the upper right corner.

The electric control device E of this embodiment, which is implemented in the above-described pachinko gaming machine P, includes an electronic circuit board 10 for input / output control of various electric components and means on the gaming board side. It is housed and protected in a case body 11 as shown in FIGS. The case body 11 includes a dish-shaped member 12 mounted and set on the mechanism set board D, and the dish-shaped member 1.
And a cover-like member 13 removably attached to the opening side of the circuit board 2, both of which are integrally formed of a transparent synthetic resin material.
It is housed in a state of being laid inside, and the cover is protected by the cover-like member 13 (see FIG. 13). When the dish-shaped member 12 and the cover-shaped member 13 are assembled, an opening is defined above the dish-shaped member 12, and the connector of the circuit board 10 is aligned with the opening. (See FIG. 2). In the vicinity of the four corners of the dish-shaped member 12, bosses 14 are integrally erected and the upper edge 12
b, hook-shaped hooks 15 and 15 are formed, and through holes 10 matching the bosses 14 are formed near four corners of the circuit board 10.
a is drilled. As a result, the circuit board 10 locks the upper end to the hook 15 and fits the through holes 10a into the bosses 14 to set it on the dish-shaped member 12. In this state, the cover-shaped member 13 is By aligning with the dish-shaped member 12, the pressing piece 16 provided on the cover-shaped member 13 holds the lower end of the circuit board 10,
The circuit board 10 is accommodated and held in the case body 11 in a state where there is no sticking.

The dish-like member 12 and the cover-like member 13 in the case body 11 are assembled and connected by using engaging means and connecting means formed at the respective opening side edges. First, as for the engagement means, as shown in FIGS. 2 to 5, vertically long slit-shaped engagement holes 55, 55 formed near the upper ends of the right edge 12c and the left edge 12d of the dish-shaped member 12. Right edge 1 of cover member 13
3c and formed near the upper end of the left edge 13d,
(Dish member 12 side) and substantially L-shaped engaging piece 6 extending upward
0,60. Each of the engagement holes 55 is formed with an opening 56 having a size that allows the engagement piece 60 to be inserted from the outside. Further, a corner is formed inside the opening 56 from the upper end of the opening 56. An internal space 57 extending to the side of the part is formed. Thereby, the dish-shaped member 1
2. The cover-like member 13 is brought close to
(See FIG. 5 (a)), the engaging pieces 60, 60
Is inserted (see FIG. 5 (b)), if the cover-like member 13 is tilted to align with the opening surface of the dish-like member 12, each engagement piece 60 fits deep into the corresponding internal space 57. (Fig. 5 (c)
), The upper edges 12b, 13b of both members 12, 13 are engaged. A locking projection 58 is formed at a position appropriately recessed from the upper end of the opening 56, and the corresponding locking recess 61 of the engaging piece 60 fitted into the internal space 57 is aligned with the locking projection 58. By doing so, the vertical movement of the cover-like member 13 with respect to the dish-like member 12 is restricted.

FIGS. 2 and 6 show the connecting means.
As shown in FIG. 9, a first connecting portion (connecting portion) 22 integrally formed and arranged on the lower edge portion 13a of the cover-like member 13.
And a total of four coupling bosses 21 (21A, 21B, 21C, 21D) comprising a second connecting portion (connecting portion) 23 integrally formed and arranged on the lower edge portion 12a of the dish-shaped member 12, It is composed of a normal screw 24 that can be screwed and fixed between the first connecting portion 22 and the second connecting portion 23 to fix the dish-shaped member 12 and the cover-shaped member 13 and that can be loosened.
As shown in FIGS. 6 and 7, the first connecting portion 22 is formed by a holding cylinder portion 63 defining an insertion hole 64 set to a height and an inner diameter capable of accommodating the head portion 24 a of the screw 24. The holding cylinder 63 is integrally connected via two joining pieces 65, 65 extending from the lower edge 13 a of the cylindrical member 13.
A through hole 67 into which the screw shaft portion 24b of the screw 24 is screwed is formed at the center of a flange 66 formed substantially at the center of the inside. An outer portion of the holding cylinder portion 63 from the flange 66 is divided into three by three slits 68 formed in a longitudinal direction to form three cylinder pieces 69, each of which has an outer end portion. The side can be elastically expanded radially outward.

Each cylindrical piece 6 facing the entrance side of the insertion hole 64
The screw 2 inserted and set in the insertion hole 64
4 and a cap piece 75 described later.
Is formed so as to project toward the center of the insertion hole 64. As shown in FIGS. 8 and 9, the interval between the tips of the retaining projections 70 is appropriately set smaller than the maximum diameter portion of the head 24 a of the screw 24 in a normal state in which the cylindrical pieces 69 are not elastically deformed. The screw 24 set in the insertion hole 64 cannot be removed. On the other hand, the through hole 67 is formed in a tapered shape that tapers from the outer surface to the inner surface of the flange 66 as appropriate, and the inner diameter of the outer edge 67 a is the screw shaft portion 24 b of the screw 24.
Of the inner edge 67b
Is appropriately set smaller than the tip portion 24c. Accordingly, the screw 24 set in the insertion hole 64 is held in a state in which the tip end portion 24c is in contact with the tapered through hole 67, and is held in a state in which the head portion 24a is engaged with the retaining projection 70. (See FIG. 8).

The second connecting portion 23 has a boss 72 of a required length having a flange 71 at a substantially central portion thereof.
2 through a joint piece 73 extending from the lower edge portion 12a, and a through hole 74 into which the screw 24 is screwed.
Are bored from the center of the outer surface of the boss 72. And
When the cover-like member 13 is assembled and set on the dish-like member 12, each of the first connecting portions 22 and each of the second
The connecting portions 23 are preferably set so as to be aligned and abutted, and the through holes 74 of the second connecting portions 23 and the through holes 67 of the first connecting portions 22 are aligned. At this time, the second connecting portion 23
Is connected to the dish-shaped member 12 by the first connecting portion 2.
2 fits between the joining pieces 65, 65 connecting the cover member 13 to the cover member 13, thereby restricting the movement of the cover member 13 relative to the dish member 12 in the left-right direction. That is, the cover-like member 13 includes the locking projection 58 and the locking recess 6.
1 and the fitting between the joining piece 73 and the joining pieces 65, 65, positioning with respect to the dish-shaped member 12 is suitably performed. Then, the four coupling bosses 21 (21A, 21B, 21C, 21C) in which each of the first coupling portions 22 and the second coupling portions 23 are aligned.
21D), if the screw 24 is screwed into one of the coupling bosses 21 from the insertion hole 64 side of the first connecting portion 22, the lower side of the dish-shaped member 12 and the cover-shaped member 13 The edges 12a and 13a are inseparably engaged.

Further, in the electric control device E of the present embodiment, the engagement boss 21, the screw 24 and a cap piece 75 to be described later are used as a measure for preventing improper operation such as improper remodeling, replacement or change of the circuit board 10. Thus, the unauthorized opening prevention member 20 is configured to prevent the unauthorized opening of the case body 11 and leave a history of the opening. That is, in the unauthorized opening portion stopping member 20 of the embodiment, the cap piece 75 having a shape matching the insertion hole 64 of each first connecting portion 22 is inserted into the insertion hole 6.
4 is configured to be non-removably fitted to,
By fitting the cap piece 75 into the insertion hole 64 of the first connecting portion 22 in the coupling boss 21 into which the screw 24 is screwed, the operation of loosening the screw 24 with a tool becomes completely impossible. That is, as shown in FIGS. 6 and 7, the cap piece 75 includes a main body 76 having an outer diameter set to match the inner diameter of the holding cylinder 63, and the main body 7.
6 are integrally formed with three fitting pieces 77 which extend radially outward from the outer peripheral surface and are fitted to the respective slits 68 of the holding cylinder 63 in a corresponding manner. Also,
On the outer peripheral surface of the main body 76 between the fitting pieces 77, locking pieces 78 corresponding to the retaining projections 70 formed on the holding cylinder 63 are formed, and the cap pieces 75 are inserted into the insertion holes. 64, each locking piece 78 and retaining projection 70
And the cap piece 75 cannot be removed from the first connecting portion 22. In the embodiment, three cap pieces 75 are formed integrally with the frame 79 below the cover-like member 13 so that the cap pieces 75 can be cut off, and are appropriately cut as needed for use.

As described above, the electric control device E of the present embodiment
In order to expose the circuit board 10 housed and protected in the case body 11 by configuring the cap piece 75 to be fitted to the first connecting part 22 of the coupling boss part 21 into which the screw 24 is screwed. If the coupling boss 21 connected by the screw 24 is cut at the joining pieces 65, 65, and 73 and is not separated from the cover-shaped member 13 and the dish-shaped member 12, the cover-shaped member 13 is separated from the dish-shaped member 12. It cannot be removed. However, although it is possible to open the cover-like member 13 by cutting the coupling boss portion 21, there is a clear trace of unauthorized opening, and it is possible to easily confirm the presence or absence of illegality. In addition, in the unauthorized opening prevention member 20 in the electric control device E of the embodiment, since the four connection boss portions 21 are formed, the case body 1 up to three times in total is formed.
1 may be left open.

As shown in FIGS. 1 and 2, the case body 11 constructed as described above is mounted on an installation portion 27 formed on the outer surface of cover members 25 and 26 for covering the storage chambers 6 and 7. , Mounted on the lower part of the mechanism set board D. That is, as shown in FIGS. 1 and 2, as a means for attaching the electric control device E to the installation portion 27, a flange 17 integrally formed on both left and right end portions of the dish-shaped member 12 is used.
A retractable locking member 28 disposed on the first cover member 25;
In addition, a locking cylinder (not shown) formed on the surface of the second lid member 26 is used. Specifically, the first
A locking member 28 disposed on the flange 17 at the left end of the dish-shaped member 12 is engaged with one locking cylindrical portion formed at a predetermined position of the lid member 25, and a required position of the second lid member 26 is fixed. The electric control device E is mounted on the installation portion by engaging the locking members 28, 28 disposed on the flanges 17, 17 on the right end of the dish-shaped member 12 with the two locking cylinder portions formed in 27 is detachably attached.

In the electric control device E of this embodiment, as a measure for shielding the circuit board 10 housed and protected in the case body 11 from electromagnetic waves, the circuit board 10 is formed of a material having a metal surface or a resin material containing a conductive material. Shield plate 3
0 is attached to the back surface 31 of the case body 11 so as to be detachable or openable by a fingertip operation. Therefore, examples of measures against electromagnetic wave shielding for the circuit board 10 will be described for each embodiment.

FIGS. 10 to 15 show a first embodiment of the measures against electromagnetic waves employed in the electric control device E of the present embodiment. The shape and size of the circuit board 10 are adapted to the main surface area. The above-mentioned shield plate 30 can be attached to and detached from the back surface 31 of the dish-shaped member 12 or can be opened and closed. That is, on one side of each of the dish-shaped member 12 and the shield plate 30, a supporting portion 32 that can be detachably and rotatably connected to each other is formed.
An engagement portion 33 is formed on the other side of the shield plate 30 so that the engagement portion 33 can be engaged with and disengaged from each other. As shown in FIGS. 10 and 14 and the like, the support portion 32 has support shafts 35 erected on support pieces 34, 34 extending horizontally above and below the back side of the left edge 12 d of the dish-shaped member 12. , 35, and support holes 37, 37 formed by winding and forming projecting pieces 36 at positions corresponding to the support shafts 35, 35 above and below one side of the shield plate 30. 10 and FIG.
As shown in FIG. 5 and the like, an engaging hook 38 that projects rearward and is elastically deformable at the upper and lower substantially central portions on the back side of the right edge 12 c of the dish-shaped member 12 and the upper and lower substantially central portions of the other side of the shield plate 30. And an engagement piece 39 extending laterally.

In the countermeasures against electromagnetic waves of the first embodiment configured as described above, the support shafts 35, 35 of the dish-shaped member 12 are used.
The shield plate 30 is rotatable with respect to the dish-like member 12 by aligning and slidingly engaging the support holes 37 of the shield plate 30 from above (see FIG. 14A). They are connected (see FIG. 14B). When the shield plate 30 is rotated to close the back surface 31 of the dish-shaped member 12 (see FIG. 15A), the engagement hook 38 engages with the engagement hook 38 under elastic deformation of the engagement hook 38. 15 (see FIG. 15 (b)), and the shield plate 30 is
2 is held in a closed state. This shield plate 30
4 is located at a required distance from the back surface of the circuit board 10 housed and protected by the protective case 11 when the dish is closed by the dish-shaped member 12, as shown in FIG. Shielding is suitably achieved. If the engagement hook 38 is elastically deformed to the side to release the engagement with the engagement piece 39, the shield plate 30 can be rotated to be released from the dish-shaped member 12, and furthermore, the shield If the plate 30 is pulled up, the support shafts 35, 35 and the support holes 37, 37
The shield plate 30 is disengaged from the dish-shaped member 12.
Can be removed from

The engaging piece 39 of the shield plate 30 is provided with a fingertip hooking portion 40 so that a rotating operation can be easily performed.
Is formed, and at the corresponding position of the dish-shaped member 12,
A concave portion 41 for avoiding interference with the fingertip operating section 40 is formed. The back surface 31 of the dish-shaped member 12 is entirely recessed, and the shield plate 30 is
When it is closed, it does not protrude outward from the dish-shaped member 12 (see FIG. 12).

[0024]

Next, the operation of the electric control device E for a game according to the present embodiment, which employs the electromagnetic wave shielding measures of the first embodiment described above, will be described.

The electric control unit E assembles the pachinko gaming machine P at an assembly section different from the main assembly line of the maker. First, from the opening side of the dish-shaped member 12, the upper end of the circuit board 10 is engaged with the hook 15, and the respective through holes 10 are aligned with the respective bosses 14. Set to. Next, the cover-like member 13 approaches the dish-like member 12 in an inclined state as appropriate, and the engagement pieces 60,
By inserting the cover-like member 13 into the dish-like member 12 after inserting the respective members 60, the respective engagement pieces 60 are fitted into the corresponding internal spaces 57, and the upper edges 12b, 13b are engaged with each other (see FIG. 5). Further, by aligning the dish-shaped member 12 and the cover-shaped member 13, the pressing piece 16 of the cover-shaped member 13 holds the lower end of the circuit board 10, and the circuit board 10 is Is held in the case body 11 in a state where there is no gap. On the other hand, the second connecting portions 23 formed on the lower edge 12a of the dish-shaped member 12 are aligned with the first connecting portions 22 formed on the lower edge 13a of the cover-shaped member 13, respectively. Thus, four sets of coupling bosses 21 are formed on the lower edge of the case body 11.

In the electric control device E of this embodiment, when the electric control device E is assembled by the manufacturer, for example, the coupling boss 21 (21A) at the rightmost end (in FIG. 2) of the lower edge of the case body 11 is attached. Utilizing this, the dish-shaped member 12 and the cover-shaped member 13 are fixed so as not to be opened. That is, at the right end coupling boss portion 21A, the through holes 67 of the first connecting portion 22 and the through holes 7 of the second connecting portion 23 which are aligned with each other.
The screw 24 is screwed into the insertion hole 6 of the first connecting part 22 with the cap piece 75 separately prepared.
4, the cover-like member 13 and the lower edge 12a, 12b side of the dish-like member 12
24 and 75 are engaged with each other by the unauthorized opening prevention member 20. Thereby, the electric control device E
In a case body 11 composed of the dish-shaped member 12 and a cover-shaped member 13 which is assembled to the dish-shaped member 12 so as not to be opened,
It is configured as a unit that houses and protects the circuit board 10. In the second, third, and fourth connecting boss portions 21B, 21C, and 21D from the right side, the first connecting portion 22
The screw 24 is set in the insertion hole 64, and the tip 24c of the screw 24 comes into contact with the tapered through hole 67 and the head 2
4a is attached in a state where it is locked to the retaining projection 70 (see FIG. 8). As described above, in the electric control device E of the present embodiment, the dish-shaped member 12 and the cover-shaped member 13 use one screw 24 under the action of the engagement between the engagement hole 55 and the engagement piece 60. It is suitably engaged simply by doing. In addition, since the cap piece 75 is fitted to the engaging boss portion 21 into which the screw 24 is screwed, a normal inexpensive screw 24 that can be loosened and used without being special for tightening is used. It is possible. In addition, each coupling boss part 21B, 21C, 2
In 1D, the screw 24 may be attached as a temporary fixing state in which the screw 24 is screwed only into the hole 67.

The circuit board 10 is housed and protected in the case 11 and the dish-shaped member 12 is
The electric control device E for preventing unauthorized opening of the cover 13 and the cover-like member 13 has a single unit for each case by attaching the shield plate 30 according to the first embodiment to the back surface 31 of the dish-like member 12. It is configured as a member. Then, as described above, after attaching to the installation portion 27 of the mechanism set board D using the locking tool 28 engaged with each flange 17 of the dish-shaped member 12, each of the electric devices arranged on the game board or the like is used. The electrical cords from the standard parts are intensively connected and provided for implementation. It should be noted that the shield plate 30 protects the circuit board 1 against external electromagnetic waves generated when the pachinko gaming machine P is being played.
The circuit board 10 is shielded from electromagnetic waves and is suitably protected in order to completely shield the back surface of the zero.

The screw 24 of the unauthorized opening preventing member 20 is connected to the first connecting portion 22 in which the head portion 24a is accommodated.
Since the cap piece 75 is fitted into the insertion hole 64, the screw 24 cannot be loosened and removed using a normal tool. Therefore, the screw 24 is loosened and the case body 11 is opened. That is, from the dish member 12 to the cover member 1
It is completely impossible to remove 3 and expose the internal circuit board 10. However, for example, at the rightmost coupling boss 21A into which the screw 24 is screwed, the first coupling portion 2A
The cover-like member 13 can be removed by cutting the joint pieces 65 and 73 connecting the second and cover-like members 13 and the second connecting portion 23 and the dish-like member 12 with a plier, a cutter, or the like. Boss 2 completely separated from 11
Since 1A cannot be restored to its original condition, there is a clear evidence of unauthorized opening, and it is impossible for an unauthorized person to take such measures. Therefore, the pachinko gaming machine P to which the electric control device E in which the unauthorized opening prevention member 20 of the present embodiment is implemented is attached at an appropriate time after shipment from the maker factory, for example, until the pachinko gaming machine is installed in the customer's hall. During the transportation or after installation in the hall, the electric control device E
In this case, illegal acts such as opening of the case body 11, removal of the circuit board 10 housed and protected in the case body 11, replacement of the ROM, and replacement with a board that has been illegally remodeled can be suitably prevented.

Further, when it is necessary to confirm the circuit pattern on the back side of the circuit board 10 housed and protected in the case body 11 at the time of the government inspection of the gaming machine P installed in the hall, the electric control is performed. Installation unit 2 for device E
7, the shield plate 30 is removed from the dish-shaped member 12.
The back surface of the circuit board 10 can be easily seen through simply by opening the back of the circuit board 10. In addition, in the electric control device E in which the measures against electromagnetic wave shielding according to the first embodiment are taken, no troublesome and complicated work such as opening the case body 11 and removing the circuit board 10 is required, and the shielding plate 30 is not required. Opening / closing and attaching / detaching operations can be easily performed without using a tool or the like, so that a predetermined inspection can be performed simply, easily, and in a short time.

Further, when the case body 11 needs to be opened in the standing inspection of the government, the joining pieces 65 and 73 to the right-most connecting boss portion 21A into which the screw 24 is screwed are cut to make the connecting boss portion 21A dish-shaped. After being separated from the member 12 and the cover-like member 13, the cover-like member 13 is removed and a required inspection is performed on the exposed circuit board 10. The slit 68 formed in the holding cylinder 63
Thus, the screwed state of the screw 24 can be visually recognized, so that it is possible to easily confirm which of the connecting bosses 21 is used to engage the cover-shaped member 13 and the dish-shaped member 12, and to mistakenly select a different connecting boss. Separation of the part 21 is preferably prevented.
As described above, when the case body 11 is to be opened at the time of the standing inspection of the government, only the one coupling boss part 21 is separated and the engagement between the engagement hole 55 and the engagement piece 60 is released to form the cover. The member 13 can be removed from the dish-shaped member 12, and the opening operation of the case body 11 can be performed easily and quickly.

After the inspection by the government, the dish-shaped member 12 and the cover-shaped member 13 are opened by using the second rightmost boss 21B formed on the lower edge of the case body 11. It is designed to engage in disability.
That is, in the coupling boss portion 21B, the screw 24 attached in the insertion hole 64 is inserted between the through hole 67 of the first connecting portion 22 and the through hole 74 of the second connecting portion 23 which are aligned with each other in a normal manner. The cover-like member is screwed with a tool, and further, any one of the cap pieces 75 attached to the frame 79 of the dish-like member 12 is cut out and fitted into the insertion hole 64 of the first connecting portion 22. 13 and lower edge 13 of dish-shaped member 12
The a and 12a sides are again engaged by the unauthorized opening prevention member 20. As a result, the circuit board 10 is housed and protected in the case body 11 composed of the dish-shaped member 12 and the cover-shaped member 13 which is non-removably assembled to the dish-shaped member 12 again. Even in this case, since the coupling boss portion 21A is cut off, a trace that the case body 11 is opened remains, but the fact that the electric control device E has been inspected by the government is displayed in some form. On the contrary, it is possible to easily confirm the presence or absence of the inspection. In addition, since the head 24a of the screw 24 in the unauthorized opening prevention member 20 is covered with the cap piece 75 fitted in the insertion hole 64 of the first connecting portion 22, the screw using a tool as described above is used. The loosening operation of 24 becomes completely impossible.

As described above, in the electric control device E according to the present embodiment, as described above, a total of four
By forming and arranging the unauthorized opening prevention member 20 including the coupling boss portions 21 (21A, 21B, 21C, 21D), it is possible to leave a history of the removal of the legal cover-shaped member 13 up to three times in total. is there.

[0033]

[Modification] FIGS. 16 to 19 show a second embodiment of the measures against electromagnetic waves employed in the electric control device E of the present embodiment.
The shield plate 30 formed in a size is attached to the dish-shaped member 1.
The second rear surface 31 can be disengaged vertically. That is, the left and right edges 12 of the dish-shaped member 12
At the upper and lower sides of the shield plate 30, L-shaped engaging portions 46 capable of engaging with the respective concave hole supporting portions 45 are formed at upper and lower sides of the shield plate 30. Are formed. The concave hole support portion 45
As shown in FIG. 18, the insertion portion 47 is formed of an insertion portion 47 through which the engaging portion 46 can pass, and a concave hole 48 extending downward on the back side of the insertion portion 47. The engaging portion 46 is bent from the side end portion of the shield plate 30 to the rear surface side, and extends further downward to form the recess 48 of the recess support portion 45.
Has an engagement piece 49 that engages with the first. It should be noted that the assembling mode of the dish-shaped member 12 and the cover-shaped member 13 in the electric control device E having the electromagnetic wave shielding measures of the second embodiment is the same as that of the first embodiment. Since it is completely the same as the device E, its specific illustration and description are omitted.

In the electromagnetic wave shielding measures of the second embodiment configured as described above, the engagement of each engagement portion 46 of the shield plate 30 with the recess 48 of each recess support portion 45 of the dish-shaped member 12 is described. The mating piece 49 is aligned from behind (FIG. 18).
(a)), by sliding downward and engaging
As shown in FIG. 18B, the shield plate 30 is attached to the dish-shaped member 12 in a substantially close contact. When the shield plate 30 is attached to the dish-shaped member 12, the shield plate 30 is located at a required distance from the back surface of the circuit board 10 housed and protected in the case body 11, so that the circuit board 10 is preferably shielded from electromagnetic waves. It is planned.

At the approximate center of the upper edge of the shield plate 30, as shown in FIG. 19, the fingertip hooking portion 5 is provided so that the upward operation of the shield plate 30 can be easily performed.
0 is formed, and a concave portion 5 for avoiding interference with the fingertip operating portion 50 is provided at a corresponding position of the dish-shaped member 12.
1 is formed. That is, in a state where the engaging pieces 49 of the respective engaging portions 46 of the shield plate 30 are engaged with the concave holes 48 of the respective concave hole supporting portions 45 of the dish-shaped member 12, the finger is pulled on the fingertip hooking portion 50. When it is hung up, the engagement between the concave hole 48 and the engagement piece 49 is released, and the shield plate 30 is moved to the dish-shaped member 1.
2 can be easily removed. The fingertip operation unit 50 projects above the dish-shaped member 12 when the shield plate 30 is aligned with the back surface 31 of the dish-shaped member 12 (FIG. 19).
(See FIG. 1A), when the engaging piece 49 is completely engaged with the concave hole 48, it retreats into the dish-shaped member 12 (FIG. 1).
9 (b)). The back surface 31 of the dish-shaped member 12 is entirely recessed, and does not project outward from the dish-shaped member 12 when the shield plate 30 is closed on the back surface 31.

In the electric control device E of the second embodiment, in which the electromagnetic wave shielding measures are taken, the circuit board 10 is housed and protected in the case body 11 and the dish-shaped member using the above-mentioned unauthorized opening prevention member 20 is used. After preventing unauthorized opening of the cover 12 and the cover member 13, the shield plate 30 is attached to the dish member 12, so that each case is configured as a single member. Then, as described above, after attaching to the installation portion 27 of the mechanism set board D using the locking tool 28 engaged with each flange 17 of the dish-shaped member 12, each of the electric devices arranged on the game board or the like is used. The electrical cords from the standard parts are intensively connected and provided for implementation. Note that the shield board 30 completely shields the back surface of the circuit board 10 from external electromagnetic waves generated when the pachinko gaming machine P is being used for the game, so that the circuit board 10 It is shielded from electromagnetic waves and is suitably protected.

Further, when it is necessary to confirm the circuit pattern on the back side of the circuit board 10 housed and protected in the case body 11 in a standing inspection of the gaming machine P installed in the hall by the government, etc., the electric control is performed. Installation unit 2 for device E
7, the shield plate 30 is removed from the dish-shaped member 12.
The back surface of the circuit board 10 can be easily seen through simply by removing the circuit board from the circuit board 10. In addition, in the electric control device E of the second embodiment, which takes measures against electromagnetic wave shielding, no troublesome and complicated work such as opening the case body 11 and removing the circuit board 10 is required. Can be easily opened and closed without using a tool or the like, so that a predetermined inspection can be performed simply, easily, and in a short time.

In the above-described countermeasures against electromagnetic waves of the first embodiment, the plate-like member can be opened and closed around a support portion provided with a shield plate on one side. A support portion may be provided at the upper end or lower end of the plate, and the shield plate may be opened and closed with respect to the dish-shaped member about the support portion at the upper end or lower end. Also the second
In the electromagnetic wave shielding measures of the embodiment, the shield plate can be disengaged in the vertical direction with respect to the dish-shaped member, but the shield plate can be engaged in the left-right direction with the dish-shaped member. can do.

In the above-described embodiment, a normal screw which can be tightened and loosened is screwed between the first connecting portion and the second connecting portion. Even in this case, suitable engagement between the dish-shaped member and the cover-shaped member can be realized. If such a special screw is used, there is an advantage that it is not necessary to fit the cap piece to the first connecting portion because the loosening operation is impossible even if the tool can contact the screw. . The arrangement of the engagement pieces and the engagement holes may be such that the engagement pieces are formed on the dish-shaped member and the engagement holes are formed on the cover-shaped member, contrary to the embodiment.

[0040]

As described above, according to the electronic control apparatus for a game according to the present invention, the combination edge of the dish-like member and the cover-like member constituting the case body for housing and protecting the circuit board is provided. When the dish-shaped member and the cover-shaped member are assembled by forming the engagement piece and the engagement hole that can be disengaged from each other and the connecting portion for screw tightening, the engagement hole is engaged with the engagement hole. The dish-shaped member and the cover-shaped member can be suitably assembled only by the engagement with the mating pieces and the engagement of the connecting portions by screws. That is, under the action of engagement between the engagement hole and the engagement piece,
The cover-like member can be attached to the dish-like member simply by tightening one screw on the connecting portion, and the circuit board can be stored and protected extremely easily and quickly in the case body. In addition, since the cap piece matching the opening is fitted into the opening of the connecting portion on the side where the screw is inserted, the operation of unslacking the screw using a tool becomes impossible at all, and the screw cannot be removed. It is completely impossible to remove and open the case body, that is, it is impossible to completely remove the cover-like member from the dish-like member and expose the internal circuit board. It has a very beneficial effect that can be prevented.
In addition, since it is impossible to remove the loosening of the screw with the cap piece at all, it is possible to use ordinary and inexpensive screws instead of special and expensive screws dedicated to tightening, etc., and reduce the manufacturing cost of the electric control device. There are also advantages such as being able to be achieved.

[Brief description of the drawings]

FIG. 1 is a rear view schematically showing a pachinko machine employing an electric control device according to an embodiment of the present invention.

FIG. 2 is a front view of the electric control device according to the embodiment.

FIG. 3 is a side view showing an exploded state of a dish-like member and a cover-like member constituting a case body in the electric control device of the embodiment.

FIG. 4 is an enlarged perspective view of a main part showing an engagement hole formed on a side edge of the dish-shaped member and an engagement piece formed on a side edge of the cover-shaped member.

FIG. 5 is an explanatory view showing a process of engaging an engagement hole of a dish-shaped member with an engagement piece of a cover-shaped member with time.

FIG. 6 is a perspective view showing a first connecting portion formed integrally with the dish-shaped member, a second connecting portion formed integrally with the cover-shaped member, and a cap piece.

FIG. 7 is a plan view showing a first connecting portion formed integrally with the dish-shaped member, a second connecting portion formed integrally with the cover-shaped member, and a cap piece;

FIG. 8 is a view showing a state in which a coupling boss in which a first connecting portion formed integrally with a dish-shaped member and a second connecting portion formed integrally with a cover-like member are aligned is screwed into an insertion hole of the first connecting portion. It is a vertical side view shown in the holding state.

FIG. 9 shows a screw in which a coupling boss in which a first connecting portion formed integrally with a dish-like member and a second connecting portion formed integrally with a cover-like member are aligned is set in an insertion hole of the first connecting portion. FIG. 6 is a longitudinal sectional side view showing a state in which is screwed into a through hole of a second connecting portion.

FIG. 10 is a schematic perspective view showing the electric control device according to the first embodiment in which electromagnetic wave shielding measures are taken, in a state before the shield plate is attached.

FIG. 11 is an enlarged rear view of a main part of the electric control device in which the electromagnetic wave shielding measures of the first embodiment are taken.

FIG. 12 is an enlarged cross-sectional view of a main part of the electric control device in which the electromagnetic wave shielding measures of the first embodiment are taken.

FIG. 13 is a side view showing the electric control device in which the electromagnetic wave shielding measures of the first embodiment have been taken in an exploded state.

FIG. 14 shows a measure against electromagnetic wave shielding of the first embodiment.
It is a principal part expansion perspective view which shows the state before connection of a support part, and a connection state.

FIG. 15 shows an electromagnetic wave shielding measure of the first embodiment.
It is a principal part expanded perspective view which shows the state before an engagement of an engagement part, and an engagement state.

FIG. 16 is a schematic perspective view showing an electric control device in which electromagnetic wave shielding measures are taken according to the second embodiment in a state before a shield plate is mounted.

FIG. 17 is an enlarged rear view of a main part of an electric control device in which electromagnetic wave shielding measures are taken according to the second embodiment.

FIG. 18 shows a measure against electromagnetic wave shielding according to the second embodiment.
It is a principal part expansion perspective view which shows the state before an engagement of a concave hole support part and an engagement part, and an engagement state.

FIG. 19 shows a measure against electromagnetic wave shielding according to the second embodiment.
It is a schematic perspective view which shows the engagement state of the recessed part of a dish-shaped member, and the finger-tip hooking part of a shield plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Circuit board (board) 11 Case body 12 Dish-shaped member 13 Cover-shaped member 22 1st connection part (connection part) 23 2nd connection part (connection part) 24 Screw 55 Engagement hole 60 Engagement piece 75 Cap piece

Claims (2)

[Claims] 1. An electric control device for controlling an electric game component detachably mounted at a predetermined position on the back side of a target gaming machine and capable of developing a game, wherein the electric control device is transparent. Dish-shaped member made of resin (12)
And a cover-like member (13) which is formed of a transparent resin and is detachably combined with the dish-like member (12) to form a protective case body (11) which can be handled as one, and A board (10) required for controlling the game parts is mounted between the plate-shaped member (12) and the cover-shaped member (13).
At the combined edge of the (12) and the cover-like member (13), an engaging piece (60) and an engaging hole (55) that can be disengaged from each other are formed, and a connecting portion (23, An electronic control device for games, characterized in that 22) is formed. 2. The dish-shaped member, wherein the case body (11) is detachably fixed to a gaming machine side and can support the substrate (10).
(12), and the cover-like member (13) removably attached to the opening surface side of the dish-shaped member (12), and the engaging member is attached to a side edge of the dish-shaped member (12). Hole (55) and connection part
(23), the engaging piece (60) and the connecting portion (22) are formed on the side edge of the cover-like member (13), and the dish-like member (1) is formed.
2) or a required portion of the cover-like member (13), wherein a cap piece (75) that can be fitted into the opening of the connecting portion (22) on the side where the screw (24) is inserted is formed so as to be cut off. Item 3. An electric control device for a game according to Item 1.