JPH05103857A - Electric control device for pinball game machine - Google Patents

Abstract

PURPOSE:To firmly assemble a case, a shielding protector, a circuit substrate, and a covering body without using a screw. CONSTITUTION:An engagement edge 36 of a shielding protector B is engaged with receiving pieces 19,19 of a case A to force the protector B into the case A, thereby putting it in the case. The lower edge of a circuit substrate C is inserted into the inner side of engagement pieces 18, 18 of the case A to force the substrate C into the case, so that the upper edge of the substrate C is engaged with engagement hooks 14, 14 of the case A and the substrate C is put into the protector B. By inserting the engagement edge 43 of a covering body D into receiving pieces 19, 19 of the case A to push the body D into the case, an engagement hook 16 of the case A is engaged with an engagement port 44 of the body D so that the body D is fixed to the case A.

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 a pachinko game machine, and more specifically, various electric devices such as a motor, an electromagnetic solenoid, a switch, an identification variable display and a lamp arranged in each part of the game machine. TECHNICAL FIELD The present invention relates to an electric control device for performing required electric control of mechanical parts.

[0002]

2. Description of the Related Art In a game machine of this kind in which a game can be played by using a pachinko ball as a game moving body, for the above-mentioned electric parts, for example, a lamp arranged on the front frame side, a display such as a digital type, or a game board. Electromagnetic solenoids and motors for operating the lamp winning device arranged in each part of the side, switches for detecting balls in each winning opening and passage, and variable identification indicators and symbol combination displays that can variably display various symbols The container is adopted. And finally, these electric parts are collectively connected to an electric control device in which a program is set according to the required software contents, and are mainly generated and established during the game at the time of setting conditions and special game states. At times, etc., the operation is controlled according to each movable condition.

The above-mentioned electric control device is also simply referred to as a control board. Generally, the electric control device itself is formed into a box-shaped unit that can be handled as a single unit, and is separated from various components of the gaming machine. ing. And in the case of implementation, when it is installed in the final process part of the manufacturing line of the gaming machine, or when it is transferred in a separated state from the gaming machine in advance and installed after the installation of the gaming machine in the gaming shop or after the replacement, On the premise,
It is installed at a predetermined portion of the mechanism panel on the back side of the front frame and is connected to various electric parts.

[0004]

As described above, in the conventional electric control device for each gaming machine, all of them are basically a box basically formed of a case body and a cover body. It is composed of a box-shaped unit with a built-in circuit board inside the body. In each control device, when assembling the case body, the circuit board, and the cover body, which are the constituent members, a large number of screws are used to fasten predetermined parts of each member with screws, and the members are connected to each other. It is said to be a model.

For this reason, in the production of the electric control device, that is, in the work of assembling the respective constituent members, more labor is required due to the large number of screw tightening points, and many screws are small. For this reason, there is a problem that unskilled persons are considerably troublesome and troublesome, and it is a big bottleneck in terms of improvement of productivity, in other words, mass production.

Further, in recent electric control devices, the case body is assumed to be formed of a synthetic resin material on the premise of taking measures against intrusion of external static electricity (also referred to as static noise) to the circuit board. On the other hand, a type in which a shield protection member for absorbing static electricity, which is formed of a conductive material, is used together and is assembled with the conductive cover body is being implemented. However, even in this type of control device, as the number of the shielding protection members increases, many screws are required and the tightening work is troublesome.

Incidentally, in the electric control device for each group, 6 to 8 or more screws are currently used.

[0008]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention has been proposed in order to solve the problems preferably, and on the premise of taking measures against the intrusion of external static electricity to the circuit board, the case body , Each of the constituent members of the shield protection member for electrostatic absorption, the circuit board and the conductive cover body,
We provide an electric control device that does not require screws and can be firmly assembled, and can stably and strongly strengthen the connection for a long time, greatly simplifying the manufacturing work of the device and improving productivity. The purpose is to make it possible.

[0009]

[Means for Solving the Problems] Overcoming the above-mentioned problems,
In order to achieve the intended purpose, the present invention is a mechanism board in which a game board in which various electric parts are arranged is set inside the front surface of a front frame, and various ball processing parts and devices are provided on the back side of the front frame. In a pachinko gaming machine in which is set, a case body that is molded from a synthetic resin material, a support seat portion and a locking portion are formed on each inner portion, and is detachably attached to the back side of the mechanism board. , A shield member for absorbing static electricity, which is formed of a conductive material, has a locking portion formed at an appropriate peripheral portion, and is housed in the case body, and necessary circuits and parts related to the electric parts. A circuit board formed and arranged, and a cover body that is formed of a conductive material, has a locking portion formed at an appropriate peripheral portion, and is detachably assembled to the case body,
While the shielding protection body engages with each other in a disengageably engageable manner with respect to the case body and is set and held in a laid state, the circuit board is supported by a support seat portion and an engagement portion is provided. And the cover body is immovably held in a separated state from the shield protector, and the cover body is immovably coupled to the case body by releasably locking the respective engaging portions. It is characterized by

[0010]

As an assembling mode of the respective constituent members in the electric control device, the shield protector is engaged with the case body in such a manner that the locking portions of the shield protector can be engaged and disengaged to hold the accommodation set in a laid state, and The circuit board is supported by the supporting seat portion of the case body, and is releasably locked to the locking portion to be immovably held in a separated state from the shield protection body. Then, the cover body is immovably set by releasably engaging the engaging portions of the cover body with the case body. As a result, the shield protector, the circuit board, and the cover body are firmly connected to the case body.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an electric control device for a pachinko gaming machine according to the present invention will be described with reference to the accompanying drawings with reference to preferred embodiments.

Prior to the description of the electric control device of this embodiment,
The pachinko gaming machine side, which is schematically shown in FIGS. 1 to 3, will be briefly described. That is, in this gaming machine P, as a basic main configuration, with respect to the front frame 2 that is openably and closably attachable to and detachable from the machine frame 1, and the housing holding frame 3 fixed to the back surface of the front frame 2 It is equipped with a mechanism board 4 that is openably openable and detachable, and a game board 6 that is detachably and replaceably housed in the housing holding frame 3 from the front side of the front frame 2, and the like. Necessary devices, instruments, members, etc. are attached to each part.

Although not shown, the front frame 2 has a glass door and an upper ball tray which can be opened and closed, a lower ball tray, a launcher, etc., and a lamp or the like arranged on the upper edge. Has been done. Further, in the housing holding frame 3,
A launch guide for game balls and various installation connections are formed. On the other hand, in the mechanical board 4, an opening area 5 is formed in the center thereof, and around this area, processing parts and devices for pachinko balls (out balls, safe balls and prize balls) generated during the game are formed, Various electric control units and parts are arranged.

In the game board 6, a motor in the game area,
Various prize winning devices, such as electromagnetic solenoids, switches, and lamps, penetrating tools, variable identification indicators (design indicators), etc. are installed (see part of FIG. 1). On the back side of the board 6, a collective cover 7 for collectively discharging and discharging all safe balls generated during the game to the processing section side of the mechanical board 4 can be opened, closed and detached as shown in FIGS. 1 and 2. The relay board 10 and the like, which are mounted as much as possible and collectively connect most of the various electric parts, are mounted. The collective cover 7 is, as partially shown in FIG. 4, an open / close connection fulcrum portion 8 including a support portion 8a, a pin 8b, and a support tool 8c that is screwed to the back surface of the game board 6, and a portion in FIG. As shown in the figure, the opening / closing locking portion 9 including the engagement hole 9a and the locking tool 9b screwed on the back surface of the game board 6 is used for attachment, and also from within the opening area 5 of the mechanism board 4. It can be opened and closed. Further, the relay board 10 is separately connected to the electric control section of the mechanical board 4 and the electric control device of the present embodiment described later, as necessary.

The electric control unit of this embodiment is the same as that shown in FIG.
It is premised on an embodiment in which the above-described various electric parts are installed over both back sides of the mechanism board 4 and the collective cover 7 in the pachinko gaming machine P of FIG. As a basic configuration of the device, as illustrated in FIG. 6 and FIG. 7, a case body A that can be opened / closed and attached / detached to / from the mechanism panel 4 side, and a case body laid in the case body A The shield protector B for preventing static electricity to be housed, the circuit board C housed and protected in the shield protector B, and the case body A are detachably assembled to cover and protect the circuit board C. In addition to taking antistatic measures, it is composed of a cover body D that can be seen through from the outside, and these are assembled in a locking example in which screws are omitted to form a box-type unit that can be handled as a whole. ing.

Therefore, each of the constituent members in the electric control apparatus of this embodiment will be described.

(Regarding Case Body A) This case body A is
The device itself is formed into a box lid shape as a door-like base body made of transparent synthetic resin material (for example, polycarbonate material).
And the shielding body B, the circuit board C and the cover body D
As a means for assembling each of the above, shaft-shaped support seats 13, 13 are provided at respective inner portions of the bottom plate portion 11 in which a large number of heat dissipation holes 12 are opened.
And locking hooks 14, 14 are formed, engaging hooks 16, 16 are formed on the left and right side edge portions 15, 15, and locking pieces 18, 18 and receiving pieces 19, 18 are formed on the lower edge portion 17. 19 are formed. As means for opening / closing and connecting and locking / closing the case body A itself, a connecting support piece 20 having a pin hole 21 is formed on the upper and lower sides on the left side in the drawing, and a supporting piece 22 is provided on the upper and lower sides on the right side in the drawing. Is formed, and the locking tool 24 is previously attached to each of the through holes 23.

As shown in FIG. 8, each connecting support piece 20 has a pin hole 19 and a pin 28 for each supporting portion 27 formed or arranged at a required upper and lower portion of the mechanism board 4. It is inserted and connected and supported. These connecting supports 18
In addition, the opening / closing connection fulcrum portion E including the support portion 26 is formed. On the other hand, in the locking tool 22 of each support piece 20, as shown in FIG. 9, it is detachably fitted and locked in each engagement hole 29 formed in a required upper and lower portion of the collective cover 7. A shaped engagement tube 25 is fitted into the through hole 23, and an operating rod 26 for changing the engagement tube 25 into the locked and unlocked states is inserted into the tube 25. The support piece 22, the locking tool 24, and the engagement hole 29 are included in the opening / closing locking portion F.

(About Shielding Protective Body B) This Shielding Protective Body B
Is a thin conductive metal material (for example, tin plate or galvanized iron plate) that protects the circuit board C from static electricity by absorbing static electricity (also called static electricity noise) that tries to enter the circuit board C from the outside. ), It is formed into a substantially rectangular lid plate shape. In the bottom plate portion 31 laid in the case body A, the relief holes 32 for the support seats 13 on both sides of the center are provided.
And a large number of see-through holes 33 that allow the back surface pattern of the circuit board C to be seen through. In addition, at each corner of the bottom plate portion 31, the circuit board C and the cover body D are provided.
Conductive edge part (also referred to as a ground contact surface part) for
34 is formed, and engaging support edges 35 and 36 for the case body A are formed on both left and right sides and a lower edge of the bottom plate portion 31.

(About circuit board C) This circuit board C is
As a control circuit board related to various electric parts on the game machine side, a required circuit pattern is formed on a main body (for example, epoxy resin board mixed with glass fiber material) 37 molded in a predetermined rectangular size, Various circuit components 38, 38, a power source (for example, AC 24 V), electrical components, connectors 39, 39 for the relay board 10, and the like are arranged. Conductive edge portions (also referred to as ground contact surface portions) 40, 40 made of solder are formed on the front and back surfaces of each corner of the main body 37. All the ground contact surfaces 40, 40 are electrically conductively connected to each other and also connected to the ground (ground) side of each circuit component.

(About Cover Body D) In this cover body D, as in the case of the shield protector B, a frame body 41 for absorbing static electricity, which is formed of a thin metal material, is used as a see-through surface of the circuit board C as a case body A. A see-through plate 50 formed in a rectangular shape from a transparent synthetic resin material similar to that is mounted and fixed in advance.
That is, the frame body 41 includes the connectors 3 of the circuit board C.
All the circuit components 38 and 38 except 9 and 39 are covered to form a box frame shape that can be matched with the case body A. Then, on both sides of the upper end, the ground contact surfaces 40, 4 on the upper surface of the circuit board C are provided.
A conductive edge portion (also referred to as a ground contact surface portion) 42 that can contact 0,
42 is formed, and an engagement support edge 43 for the case body A is formed at the lower edge. Also, in this frame body 41,
As shown partially in FIG. 8, the left and right side walls are formed with engaging holes 44 for the engaging hooks 16 of the case body A, while the upper and lower walls are formed with a large number of heat dissipation holes 45, 45. And a rectangular window 46 is opened in the center. In this window 46, a supporting edge 47 is bent in a step shape on the inner periphery thereof, and a large number of locking holes 48, 4 are provided on each side of the supporting edge 47.
8 are arranged. Abutment edges 49, 49 for the engagement support edges 35, 35 of the shield protector B are formed on both sides of the frame body 41.

On the other hand, the see-through plate 50 is mounted and coupled in the window 46. That is, as partially shown in FIG. 10, a large number of projections 51 are arranged on the outer edge of one side surface of the see-through plate 50. And FIG. 11 (a),
As shown in (b), after placing the see-through plate 50 in the supporting edge 47, the protrusions 51 are inserted into the locking holes 48, and then heat compression is performed as in the case of rivets. It is deformed into a dish head shape by processing and is crimped and locked to the inner surface of the support edge 47. As a result, the see-through plate 50 is firmly joined without any slight movement.

In the electric control device of the present embodiment, the removal of static electricity absorbed by the frame main body 41 of the shield protection body B and the cover body D is finally taken as an example of a system that has been conventionally adopted. It is assumed that the power supply in the hall will escape to the ground. By the way, as shown in FIG. 18 for reference, static electricity (static noise) absorbed by the shield protector B passes through the diode in the circuit of the circuit board C along the path indicated by the arrow in the figure, and leaks from the transformer. Is finally absorbed into the ground side of the power supply section (AC100V). However, in the real case,
Static electricity may be diffused (attenuated) in a long circuit process reaching the ground side. In place of this, the shield protection B
The ground wire may be connected to either of the frame main body 41.

(Operation of the Embodiment) The electric control device of the present embodiment is constructed by assembling the above-mentioned constituent members A, B, C, D with each other, and is set on the back side of each gaming machine.

Therefore, first, the assembling of the apparatus itself will be described with reference to FIGS. That is, the case body A
On the other hand, the shield protector B inserts the lower engaging support edge 36 between the receiving pieces 19 and accommodates it. As a result, the protective body B abuts (lays) the bottom plate portion 31 on the inner surface of the bottom plate portion 11 of the case body A, and engages the left and right engaging support edges 35, 35 with the inside of the side edge portion 15, Also, the ground contact surface 3 at each corner
4 and 34 are brought into contact with the respective support seats 13 and 13, and the escape holes 32 are relatively inserted into the other support seats 13 and set.

Next, with respect to the circuit board C, the lower edge of the circuit board C is inserted and locked between the two locking pieces 18 of the case body A, and the circuit board C is appropriately pushed into the shielding protection body B to be housed. As a result, the base C
The upper edge thereof is engaged by utilizing the elastic deformation of the locking hook 14 of the case body A, and the both side edges are abutted and supported by the support seat 13, and the bottom plate of the shield protective body B as a whole. It is immovably set to the portion 31 at a floating distance (separated state). Then, connect the ground contact surface portion 40 of each part on the back surface to the protective body B.
Abutting on each ground contact surface portion 34.

As for the cover body D, the case body A
On the premise that they are aligned with
Is inserted and engaged between the receiving pieces 19 and pushed into the case body A side. As a result, the cover body D is engaged with the engaging openings 44 on both sides of the frame body 41 by utilizing the elastic deformation of the engaging hook 16 of the case body A, and is fixedly coupled to the case body A as a whole. It Then, each ground contact surface portion 42 on the upper part of the frame body 41 is brought into contact with the ground contact surface portion 40 on the upper surface of the circuit board C, and the engaging support edge 43 is set to the lower engaging support edge 3 of the shield protector B.
6, and the left and right abutting edges 49 are abutted on the engaging support edges 35 on both sides of the protective body B to achieve the grounding effect.

As a result, in the electric control device, the shield body B and the circuit board C are provided with respect to the case body A which is a door-like base body.
The cover body D and the cover body D are assembled by a simple procedure that does not require screws to form a box type unit as schematically shown in FIG. 1 and FIG.
4, 40, 42 are held in contact with each other.

In the electric control device constructed as a box-shaped unit, enclosing seals (not shown) are attached to both sides of the case body A and the cover body D, while the cover body D is seen through. A name sticker on which a company name, electric contents of the device itself, a model name of the game machine, and the like are described is attached to the board 50. However, the name sticker may be attached to the inside of the see-through plate 50, or may be printed on the inner surface. Further, in the electric control device, when it is desired to further strengthen the circuit board C and the cover body D with respect to the case body A, as an example, the shield protective body B, the circuit board C and the cover body D are connected to the upper ground. Face 3
Small holes may be provided in 4, 40 and 42, and screws may be inserted into these small holes and screwed into the support seat 13 at the upper part of the case body A. According to this, even if a screw is used, the number of screws can be minimized to one or two at most, and the labor of the tightening work can be greatly simplified.

The electric control device of the present embodiment having the above-mentioned configuration is such that the case body A is opened and closed with respect to both backsides of the mechanism board 4 and the collective cover 7 of the gaming machine as an operating state. Also, it can be easily set by attaching via the opening / closing locking portion F. That is, in each of the upper and lower open / close connection fulcrums E, the connection support piece 20 of the case body A and the support portion 27 of the mechanism board 4 are connected to each other by inserting the pin holes 21 and the pins 28 from each other in the vertical direction. .. On the other hand, in the upper and lower opening / closing locking parts F, the locking tool 24 of the case body A
After the operating rod 26 of FIG. 1 is once pulled back, the engagement cylinder 25 in the unlocked state is moved to the engagement hole 29 of the collective cover 7.
Insert it inside. Then, the operating rod 26 is pushed in to change the engagement cylinder 25 into the expansion lock state, and the engagement hole 2
Locked at 9.

Regarding the set electric control device,
By making the locking tools 24 of both the opening and closing locking parts F in the unlocked state, the engagement with the collective cover 7 is released, and the entire device can be opened and closed at the opening and closing connection fulcrum part E. Then, by displacing the connection support piece 20 of both the open / close connection support points E upward with respect to the support portion 27, the both 20, 27 are separated and the device can be removed.

In the electric control device of this embodiment, in both the box-shaped unit state and the operating state described above, the internal circuit board C is seen through the transparent protective body B from the rear side of the transparent case body A. The back surface pattern can be seen through by using 33, 33, and the see-through plate 5 can be seen from the front side of the cover body D.
Since the circuit parts (hardware part) can be seen through using 0,
Inspection and confirmation of both sides of the base C becomes easy.

The symmetrical electric control device of the present invention may be of a type that is detachably attached to the back surface of the mechanism board 4 and can be opened and closed. And, other than the above-mentioned embodiment, other techniques are also recommended. That is, the case body A is formed of an opaque synthetic resin in which the heat dissipation holes 12 and 12 are formed if necessary, and the shielding protection body B is formed by omitting the see-through hole 33 and forming a heat dissipation hole as necessary or appropriate. Alternatively, it may be formed into a frame shape having a transparent window.

As for the cover body D, as shown in FIG. 19, a metal frame body 41 having a window 46 opened.
And a see-through plate 50 made of a transparent synthetic resin having a flange portion 52 formed on the outer periphery thereof. On the assumption that both 41 and 50 are reinforced with each other, a large number of locking holes 48 and 48 are formed in the support edge 47 on the outer periphery of the window 46, but not shown on the inner surface of the flange 52. However, a large number of protrusions similar to those described above may be formed, or each locking hole 4
A coagulable adhesive that can enter into the inner part 8 and be attached to the support edge 47 is applied. In this case, the coupling frame 53 made of synthetic resin is put in the frame body 41 and applied to the inner side of the support edge 47 so that the flange portion 5
2 may be adhesively bonded. Further, on the premise that the recesses 54 are formed at appropriate portions of the support edge 47, elastically deformable engaging hooks that can be pressed into engagement with the outer periphery of the see-through plate 50 from the recesses 54 to the inside of the support edge 47. 55 may be formed.

As another example of the cover body D, as shown in FIG. 20, a frame main body 41 having a window 46 opened and formed by a synthetic resin base material appropriately mixed with a conductive material, and attached to the window 46. And the see-through plate 50. Then, as an example of the reinforced connection of both 41 and 50, the same protrusions as described above are formed on the inner surface of the outer peripheral edge of the see-through plate 50 for the respective locking holes 48 and 48 of the support edge 47 of the window 46, and The base material and the see-through plate 50 may be bonded with a coagulant adhesive. By the way, according to this technical solution, it is possible to mold the case body A, which is the opening / closing door-like base body, and the frame body 41 of the cover body D, into one box body by the synthetic resin base material mixed with the conductive material. Becomes

Further, the cover body D is formed of a transparent resin material mixed with a conductive material, or an antistatic coating which does not reduce the transparency is formed on the front or back surface of the cover body D formed of a transparent synthetic resin material. The antistatic function may be added to the cover body D by applying.

Incidentally, in the cover body D of each of the other examples shown in FIGS. 19 and 20, the cover body D shown in FIGS. 6 and 7 is used.
The same or equivalent parts are designated by the same reference numerals, and the description thereof will be omitted. Also, in each of the cover bodies D of other examples, small holes for screws may be provided in the upper ground contact surface portions 42, 42.

[0038]

As described above, in the electric control device in the pachinko gaming machine according to the present invention, the shield body, circuit board,
Based on the locking of the locking portions formed on the cover members in this order in the order of the cover body, they can be immovably set to a predetermined position and state so that they can be quickly and accurately assembled and firmly coupled. Therefore, since it is possible to eliminate the need for a screw for coupling between the respective constituent members, the screw tightening work, which has been complicated at the time of manufacturing the device itself, is omitted, and the entire work is greatly simplified. Therefore, productivity can be improved.

Moreover, in the electric control device of the present invention, it is possible to eliminate the need for special equipment (including a driver etc.) for assembling the respective constituent members.
Alternatively, it can be easily assembled manually in a game hall or the like.

[Brief description of drawings]

FIG. 1 is a perspective view showing an outline of a pachinko gaming machine and an embodiment of an electric control device according to an embodiment of the present invention in an open state.

FIG. 2 is a perspective view showing an embodiment of a separated state of a front frame side, which is a main body of a pachinko gaming machine, and a gaming board side, and an electric control device.

FIG. 3 is a front view showing the installation state of the electric control device on the mechanism panel side from the back side.

FIG. 4 is an exploded perspective view showing an open / close connection fulcrum portion of a collective cover set on the back side of the game board.

FIG. 5 is an exploded perspective view of an opening / closing locking portion of the collective cover.

FIG. 6 is a perspective view showing the electrical control device of the present embodiment disassembled into main components.

FIG. 7 is a front view showing each component of the electric control device individually.

FIG. 8 is an exploded perspective view of an opening / closing connection fulcrum portion of the electric control device and an engaging portion of a case body and a cover body.

FIG. 9 is an exploded perspective view of an opening / closing locking unit of the electric control device.

FIG. 10 is an exploded perspective view showing a joint portion between the frame body of the cover body and the see-through plate.

FIG. 11 is a plan sectional view showing an example of coupling the frame body and the see-through plate.

FIG. 12 is a side sectional view showing, for each part, an assembled state of respective constituent members of the electric control device.

FIG. 13 is a side sectional view showing, for each part, an assembled state of respective constituent members of the electric control device.

FIG. 14 is a side sectional view showing, for each part, an assembled state of respective constituent members of the electric control device.

FIG. 15 is a plan sectional view showing an assembled state of respective constituent members of the electric control device for each part.

FIG. 16 is a plan cross-sectional view showing, for each part, an assembled state of respective constituent members of the electric control device.

FIG. 17 is a plan cross-sectional view showing an assembled state of respective constituent members of the electric control device for each part.

FIG. 18 is an explanatory view schematically showing an example of a ground circuit for removing static electricity.

FIG. 19 is an exploded perspective view showing another example of the cover body that can be implemented in the electric control device.

FIG. 20 is an exploded perspective view showing another example of the cover body that can be implemented in the electric control device.

[Explanation of symbols]

 2 Front frame 4 Mechanism board 6 Game board 13 Support seat 14 Locking hook 16 Locking hook 18 Locking piece 19 Receiving piece 36,43 Engagement support edge 44 Engagement opening A Case body B Shield protection body C Circuit board D Cover body

Claims (1)

[Claims] 1. A game board (6) having various electric parts arranged inside the front of the front frame (2) is set, and various ball processing units and devices are provided on the back side of the front frame (2). In the pachinko game machine with the mechanism board (4) set, it is made of synthetic resin material and the support seat (1
3) and locking parts (14, 16, 18, 19) are formed,
A case body (A) that is detachably attached to the back side of (4), and a locking part (36) that is molded from a conductive material and is formed at an appropriate peripheral edge portion.
And a shield protector (B) for absorbing static electricity that is housed in the case body (A), and a circuit board (C) on which the necessary circuits and parts related to the electrical parts are formed and arranged. And a locking part (43, 4
4) is formed and includes a cover body (D) that is detachably assembled to the case body (A), and the shielding protection body (B) is engaged with the case body (A) with respect to each other. (19, 36) is releasably locked and set and held in a laid state, while the circuit board (C) is supported by the support seat portion (13) and the locking portions (14, 18) Is disengageably locked to the cover body (B) and is immovably held in a separated state from the shield protection body (B), and the cover body (D) is locked to the case body (A) with respect to each other (16, 19, Four
An electric control device in a pachinko gaming machine, characterized in that it is detachably locked and immovably coupled.