JPH041754Y2 - - Google Patents

Description

[Detailed explanation of the idea] (Industrial application field) The present invention relates to improvement of pachinko machines.

(Prior Art) In recent years, pachinko machines have become increasingly electric, and winning devices and the like as controlled objects attached to the front of the game board are electrically controlled by control devices.

By the way, the control device is composed of a control box screwed to the back side of the pachinko machine main body, and a circuit board that controls a controlled object housed in the control box to a predetermined control state.

(Problem that the invention aims to solve) For this reason, when a failure occurs in the circuit board, various parts on the back side of the pachinko machine body get in the way, making manual work inside the machine difficult. First, remove the faulty circuit board from the machine, then remove the faulty circuit board from the control box and replace it with a new, normal circuit board.Then, screw the control box containing the new circuit board to the back of the pachinko machine. Was. This results in
Maintenance work is complicated, and improvements to this work have been desired.

In addition, there are cases where the control contents of the controlled object are changed, but the control box only stores circuit boards with predetermined control contents. Since the circuit boards differ in size, the entire control box had to be replaced, which was undesirable from the standpoint of saving materials.

The present invention was developed in view of the above circumstances, and its purpose is to improve the maintenance work of the control system and to enable circuit boards of various sizes to be stored in the control box.

(Means for Solving the Problems) In order to achieve the above object, the present invention includes a control box that houses a circuit board for controlling a controlled object, comprising a removable cover case and a base, A support piece having a hole or a protrusion is provided on one end side of the cover case or the base, and a protrusion or hole that removably engages with the hole or protrusion of the support piece is provided on the back side of the pachinko machine main body. A support plate is provided that pivots the cover case or the other end of the base toward and away from the back side of the main body through engagement, and one of a plurality of types of circuit boards of different sizes is attached to the base. A plurality of mounting seats are provided for screwing the circuit board, a cutout is formed on one side of the cover case, and a connection terminal is provided at a position corresponding to the cutout of the circuit board.

(Function) With the above configuration, during maintenance of the control system, the protrusions and holes provided on the support piece and the support plate are engaged with each other, and the other end of the cover case or base is centered inside the main body. If it is spaced apart from the back side, manual work will not be obstructed by various members on the back side of the main body, and the operator can arbitrarily select a position that is easy for the operator to work. Therefore, maintenance work such as replacing the circuit board can be improved.

Further, when the control content of the controlled object is changed, even if the size of the circuit board is changed due to the change, the circuit board can be stored in the control box. Therefore, in the above case, there is no need to replace the entire control box housing the circuit board having the control contents, and it is possible to save on materials.

Furthermore, since the position of the connection terminal corresponds to the notch, the connection terminal can protrude from the notch to the outside of the control box even when any of a plurality of circuit boards of different sizes is attached.

(Example) An example of the present invention will be described below based on the drawings.

1 to 8, 1 is a pachinko machine main body, and the back side of the pachinko machine main body 1 is provided with a main body back cover 2 and a ball cover 3 (a first
(See Figure 7). A pair of support plates 4 and 5 are provided on the upper and lower sides of the main body back cover 2, and a protrusion 6 is provided on each support plate 4 and 5.
can be bent slightly in the vertical direction. Of the pair of support plates 4 and 5, a locking boss 7 is provided on the back cover 2 of the main body in the vicinity of the support plate 5, and a locking boss 7 is provided on the center cover 3 on the right side of the support plate 4 in FIG. A boss 8 is provided.

A control box 12, which is generally composed of a base 9, a shield plate 10, and a cover case 11, is supported on the pair of support plates 4 and 5 so as to be openable and closable. That is, the base 9 has a pair of support pieces 13, which correspond to the pair of support plates 4, 5, above and below one end side (right side in FIG. 8).
14 is provided protrudingly, and a hole 15 is bored in each of the supporting pieces 13, 14.
can be bent slightly in the vertical direction. Therefore, the holes 15 of the pair of support pieces 13 and 14 can be detachably and loosely fitted into the protrusions 6 of the pair of support plates 4 and 5, and the other end side of the base 9 (in FIG. ,
The left side) can approach and move away from the ball cover 3 centering on one end side of the base 9.

This base 9 has a box shape, and contact portions 16 and 17 are provided at the upper and lower edges, respectively. The support piece 13 is integrated into the abutting portion 16 at one end (right side in FIG. 8), and a screw attachment boss 18 corresponding to the attachment boss 8 is provided at the other end. A pair of bolt insertion holes 19 are bored in the contact portion 16 between the support piece 13 and the screw attachment boss 18. The contact portion 17 has one end side thereof (in FIG. 8,
The support piece 14 is integrated on the right side), and a boss 20 is provided near one end of the support piece 14 in correspondence with the locking boss 7. A pair of circuit board mounting bosses 21, 22, 23, 24, 25 and a positioning pin 26 as mounting seats are protruded from both inner ends of the base 9. , 23, 24, and 25 are positioned according to the size of the circuit board to be attached.

The shield plate 10 has a box shape, and has an abutting part 27 at its upper edge, and a pair of attachment parts 28 at both ends of its lower edge. A pair of holes 29, 3 are provided at the bottom of the shield plate 10 in correspondence with the pair of circuit board mounting bosses 21, 22, 23, 24 and the positioning pin 26.
0, 31, 32, 33 are bored, and the pair of circuit board mounting bosses 21, 22, 23, 24 and the positioning pin 26 are inserted into the pair of holes 29, 30, 31, 32, 33. ing. Contact part 2
7 is provided with a pair of bolt insertion holes 34 corresponding to the pair of bolt insertion holes 19, and the pair of mounting portions 28 are provided with a pair of bolt insertion holes 34 corresponding to the pair of screw holes of the circuit board mounting bosses 25. A pair of bolt insertion holes 3
5 is drilled.

The cover case 11 has a box shape, and a plurality of heat dissipation holes 26 are bored in its upper and lower peripheral walls to communicate the inside and outside. This cover case 11
A contact portion 37 is provided at the upper peripheral edge portion corresponding to the contact portion 27, and a pair of attachment portions 38 corresponding to the pair of attachment portions 28 are provided at both ends of the lower peripheral edge portion. ing. A pair of bolt insertion holes 37a and a screw insertion hole 37b corresponding to the pair of bolt insertion holes 34 and the screw installation bosses 18 are bored in the abutting portion 37, respectively. Bolt insertion holes 40 corresponding to the pair of bolt insertion holes 35 are respectively bored.

Furthermore, a notch 49 is formed on one side of the cover case 11 between the pair of attachment parts 38, 38 (see FIGS. 4 and 5).

The circuit board 41 housed in the control box 12 has screw insertion holes 42 and bolt insertion holes 43 bored in its four corners.
In this embodiment, 43 corresponds to the pair of circuit board mounting bosses 24 and 25. This circuit board 41 is attached to the base 9 via the shield plate 10 by means of screws 44 whose upper ends pass through screw insertion holes 42 and are screwed onto the bosses 24 .

The contact portion 37 of the cover case 11 is connected to the contact portion 2 of the shield plate 10 by bolts 45 passing through bolt insertion holes 37a, 34, and 19 and nuts 46.
7 to the abutting portion 16 of the base 9, and a pair of attachment portions 38 of the cover case 11.
is fixed to the circuit board mounting boss 25 of the base 9 via the circuit board 41 and the pair of mounting parts 28 by a bolt 47 that is screwed into the circuit board mounting boss 25 through bolt insertion holes 40, 43, and 35. has been done.

At this time, the connection terminal 48 provided on the circuit board 41 is provided between the pair of attachment portions 38 of the cover case, that is, at a position corresponding to the notch 49 of the cover case 11. Note that connection terminals 48 are provided on various boards of different sizes, and the connection terminals 4
All of the attachment positions of 8 are determined to correspond to the notches 49.

Such a control box 12 further includes a screw (not shown) through which the contact portion 37 of the cover case 11 is screwed into the screw tightening boss 18 and the mounting boss 8 of the ball cover 3 through the screw insertion hole 37b. ), and the contact portion 17 of the base 9 is locked by a boss 20 and a locking boss 7.

Therefore, in such a control box, if the circuit board 41 breaks down or the control details of a controlled object such as a winning device are changed, each boss 18, 20, main body back cover 2, and ball If the fixation with the cover 3 is released and the other end of the base 9 is separated from the cover 3 with one end of the base 9 as the center, then, for example, as shown in FIG. There is no need to do this, and the main unit 1
This eliminates interference from various members on the inner and outer surfaces, and provides an easy-to-work position suitable for each worker. In this state, the cover case 11 is removed from the base 9, and the failed or old circuit board 41 is replaced with a new circuit board 41.

At this time, even if the size of the circuit board 41 changes due to changes in the control content of the controlled object, since the plurality of pairs of bosses 21, 22, 23, 24, and 25 are provided, the circuit board 41, a boss (mounting seat) 21 corresponding to the size of the circuit board 41,
After positioning at 22, 23, 24, and 25, it can be screwed. For example, circuit boards 41a, 41b, 41c of different sizes,
41d is attached to the base 9 as shown in FIG.

In addition, when performing work related to the connection terminal such as attaching and detaching the connector as necessary, the connection terminal 48 is
Even when one of a plurality of circuit boards of different sizes is attached, it protrudes from the notch 49 to the outside of the control box. Can perform work related to.

Furthermore, support plates 4, 5 and support pieces 13, 1
4 as necessary, the control box 12 can be easily removed from the pachinko machine main body 1 side, and after the predetermined work is completed, the control box 12 can be removed from the pachinko machine main body 1 side.
It can be easily attached directly to the side.

Although one embodiment has been described above, the present invention includes the following aspects.

A protrusion 6 is provided protrudingly from a pair of support pieces 13 and 14,
Holes may be bored in the pair of support plates 4 and 5.

The cover case 11 may be supported by a pair of support plates 4 and 5.

The control box 12 may be provided so that the connection terminal 48 faces the ball cover 3.

(Effects of the invention) As described above, the present invention allows one end of the cover case or base to approach and move away from the back of the pachinko machine main body, so that it is possible to move the cover case or base away from the back of the pachinko machine during maintenance. If one end of the base is centered and the other end is spaced from the back of the main body, manual work will not be obstructed by various parts on the back of the pachinko machine main body, and the operator can easily work from any position. This means that maintenance work such as circuit board replacement can be improved.

Furthermore, the control box and the pachinko machine main body are removable and directly attached to each other through holes and protrusions provided in the support plate, and are not attached to each other by any special member. For this reason,
It is possible to simplify the structure and at the same time prevent an increase in the number of work steps. Furthermore, when the control box is removed from the pachinko machine,
Since no separate parts remain in the control box or the pachinko machine body, for example, when replacing the pachinko machine, it will not get caught on clothes or parts and become a hindrance to the work, improving work efficiency.

Furthermore, since the base has multiple mounting seats, if the control content of the controlled object is changed, even if the size of the circuit board changes due to the change, the circuit board can be mounted on the control box. It is possible to store it in. Therefore, in the above case, there is no need to replace the entire control box housing the circuit board having the control contents, and materials can be saved.

In addition, since the connection terminals are placed in positions corresponding to the notches and protrude outside the control box, it is possible to perform work related to the connection terminals, such as attaching and detaching the connector, while the circuit board is housed inside the control box. , work related to connection terminals can be reduced.

Furthermore, a support plate with a protrusion or hole that removably engages with a hole or protrusion in the support plate on one end of the cover case or base is provided on the back side of the pachinko machine main body, so a separate member is added. The control box can be directly attached to the pachinko machine body without having to do so. Further, when the control box is removed from the pachinko machine main body, no separate member remains on the pachinko machine side, and it will not get caught on clothes, parts, etc. during operation.

[Brief explanation of the drawing]

Figure 1 is a front view showing the back side of the pachinko machine body, Figure 2 is a view of the control box attached to the back side of the pachinko machine body in Figure 1, Figure 3 is a diagram of the operating state of Figure 2, and Figure 4 is the control 5 is an enlarged front view showing the control box in FIG. 2, FIG. 6 is a sectional view taken along line A-A in FIG. 5, and FIG. 7 is a view from arrow B in FIG. FIG. 8 is a rear view of FIG. 5. 1...Pachinko machine body, 2...Main body back cover,
3...Tamayose cover, 4, 5...Support plate, 6...Protrusion, 9...Base, 11...Cover case, 12
... Control box, 13, 14 ... Support piece, 15 ... Hole, 21, 22, 23, 24, 25
...Boss for mounting the circuit board.

Claims (1)

[Claim for Utility Model Registration] A control box that houses a circuit board for controlling a controlled object is composed of a removable cover case and a base, and has a hole or a protrusion on one end side of the cover case or the base. A support piece is provided, and a protrusion or hole is provided on the back side of the pachinko machine main body to removably engage with the hole or protrusion of the support piece. A support plate is provided on the other end of the support plate so that the other end thereof can be approached and separated, a plurality of mounting seats are provided on the base for screwing any of a plurality of types of circuit boards of different sizes, and the cover A pachinko machine, characterized in that a notch is formed on one side of the case, and a connection terminal is provided at a position corresponding to the notch of the circuit board.