JP5750491B2 - Power box - Google Patents

Description

  The present invention relates to a power supply box disposed inside a casing of a gaming machine, and more particularly to a power supply box that can prevent foreign matters such as dust and unauthorized tools from entering the inside thereof.

  Generally, a gaming machine such as a pachinko machine or a slot machine is provided with a power supply box for supplying a driving voltage to various devices necessary for the progress of the game. As this type of power supply box, a power supply box having a circuit board on which a power supply circuit is formed and a power supply box main body for housing the circuit board therein is widely used.

  As a cable for electrically connecting these various devices and the power supply box, there is a cable provided with a connector plug as a movable contact at its end so that the cable can be easily attached and detached. It has been adopted. In addition, a connector socket as a fixed side contact is mounted on the circuit board to receive the connector plug, and the connector socket is inserted through an insertion hole provided in the power supply box body so that the connector socket is connected to the power supply box body. It is provided exposed from the surface. And a drive voltage is supplied with respect to various apparatuses from a power supply box by inserting a connector plug in a connector socket.

  In such a gaming machine, since the connector socket is exposed from the surface of the power supply box body, a metal piece or the like is brought into contact with the electrode of the connector plug or the connector socket to short-circuit or ground the electrode. An unauthorized act of intentionally causing various devices to malfunction is likely to be performed.

  Therefore, conventionally, a power supply box that can prevent such an illegal act has been proposed (see Patent Document 1). In this power supply box, a protective cover that covers the connecting portion of the connector socket is fixed to the power supply box body in a state where the connector plug is inserted into the connector socket. If it does in this way, since it becomes difficult to contact fraudulent tools, such as a piano wire, with the electrode of a connector socket or a connector plug, for example, a fraudulent act can be prevented.

JP 2006-325873 A (refer to paragraphs 0023 to 0031, FIG. 3, etc.)

  However, in this power supply box, since the opening for drawing out the cable is provided in the protective cover, there is a gap between the cable and the protective cover in a state where the protective cover is fixed to the power supply box body. In addition, since the connector socket of the circuit board is inserted into the insertion hole of the power supply box body, there is a gap between the two due to variation in dimensional accuracy between the two.

  Therefore, dust or the like may enter the inside of the power box body through both gaps. In such a case, dust or the like may adhere to the circuit board stored inside the power box body, There is a risk of failure. Further, it is possible for an unauthorized tool such as a piano wire to access the circuit board through both gaps, and such a tricky act cannot be prevented.

  The present invention has been made in view of the above problems, and in a power supply box for a gaming machine including a circuit board on which a connector for external connection is mounted, and a power supply box main body that houses the circuit board therein, It is an object of the present invention to provide a technology that can reliably prevent foreign matter such as dust and unauthorized tools from entering the inside of a power supply box body.

In order to achieve the above object, a power supply box according to the present invention is a power supply box disposed inside a casing of a gaming machine, and includes a circuit board on which a power supply circuit is formed and an external connection mounted on the circuit board. and connectors, has a rectangular insertion hole through which the connector is inserted, a power supply box body in which the circuit board therein Ru is fixedly accommodated, is disposed within the power supply box body, wherein the connector is the with the gap between the pre-Symbol connector and the insertion hole in a state in which the are inserted into the insertion hole of the power supply box body and a closure member for preventing entering foreign matter inside the power supply box body, the power supply box body the positioning portion is provided for positioning said occlusion member, said closure member is a rectangular ring shape that surrounds the outer surface of the connector, before the inner surface of the power supply box body It is disposed in contact with the peripheral edge of the insertion hole, and one side of the closing member is sandwiched between the end surface of the circuit board and the inner side surface of the power supply box body, and is opposed to the one side of the closing member. The side is positioned by being locked to the positioning portion (Claim 1).

Further, the positioning portion has a locking portion that locks to the opposite side of the closing member, and the locking portion has a direction from the one side of the closing member to the opposite side, and The blocking member may be locked to the opposite side so as to restrict the movement of the closing member in two directions that are perpendicular to one direction and in the other direction toward the inside of the power supply box body ( Claim 2).

According to the first aspect of the present invention , foreign matter enters the power box from the gap between the connector and the insertion hole in a state where the connector is inserted into the insertion hole of the power box body. Since the blocking member is provided to prevent foreign matter such as dust and unauthorized tools from entering the inside of the power supply box main body. In addition, simply providing a closing member, for example, due to impact during transportation of the power supply box, the position of the closing member may shift, and the effect of preventing foreign matter intrusion may not be obtained, Since the positioning portion for positioning the closing member is provided in the power supply box body, it is possible to prevent the closing member from being displaced due to an impact during transportation. Therefore, it is possible to reliably prevent foreign matter from entering the power box body.

  Further, since the closing member is provided inside the power supply box main body, it is difficult to remove the closing member from the outside of the power supply box main body and allow an unauthorized tool such as a piano wire to enter the power supply box main body.

In addition to the positioning part of the power supply box body, the blocking member is also positioned by the circuit board fixed inside the power supply box, so that foreign matter can be prevented from entering the power supply box body more reliably. Can do. Moreover, according to the invention which concerns on Claim 2, the movement of a closure member can be controlled in several directions with the latching | locking part which a positioning part has.

It is a perspective view of the state which opened the front door of the slot machine to which the power supply box concerning the present invention is applied. It is a perspective view of the power supply box of FIG. It is a disassembled perspective view of the power supply box of FIG. It is a perspective view of the base body of the power supply box main body of FIG. It is a right view of the power supply box main body of FIG. It is a figure for demonstrating the positioning method of packing. It is a left view of the power supply box main body of FIG.

  A slot machine 1 as an example of a gaming machine to which a power supply box 9 according to an embodiment of the present invention is applied will be described with reference to FIGS. 1 is a perspective view of the slot machine 1 with the front door opened, FIG. 2 is a perspective view of the power supply box 9 of FIG. 1, FIG. 3 is an exploded perspective view of the power supply box 9 of FIG. FIG. 5 is a perspective view of the power supply box main body 10 of FIG. 1 as viewed from the opening side of the base body 12, FIG. 5 is a right side view of the power supply box main body 10 of FIG. 1, and FIG. 7 and 7 are left side views of the power supply box body 10 of FIG. FIG. 6 is a partial cross-sectional view taken along the line AA in FIG.

(overall structure)
As shown in FIG. 1, the slot machine 1 includes a top plate 2a disposed above, a bottom plate 2b disposed below, a left plate 2c disposed on the left side, a right plate 2d disposed on the right side, The front door 3 is composed of a back plate 2e arranged on the back side, the front side 3 is provided with a square box type housing 2 having an opening on the front side, and the opening of the housing 2 is closed so as to be opened and closed. 2 is rotatably attached.

  In addition, inside the housing 2, a reel device 4 in which three reels, a right reel 4R, a middle reel 4M, and a left reel 4L, are arranged in parallel. A hopper device 5 for storing the medals to the medal tray 6 is disposed while being stored inside.

  A control board case 8 in which the control board 7 is housed is fixed to the upper part of the inner side surface of the left side plate 2c of the housing 2. The control board 7 controls the slot machine 1. Specifically, the control board 7 instructs the reel device 4 to rotate / stop the reels 4R, 4M, 4L, and starts to pay out medals to the hopper device 5. In addition to giving a stop instruction, it controls various devices necessary for the progress of the game of the slot machine 1, such as an audio output device (not shown) and a video display device (not shown).

  A power supply box 9 that houses a power supply circuit is fixed to the lower part of the inner side surface of the left side plate 2c of the housing 2. The power supply box 9 supplies driving voltage to various devices such as the reel device 4 and the hopper device 5 and the control board 7. The power supply box 9 will be described in detail later.

  A symbol display window 3a is provided substantially at the center of the front door 3 so that a part of the symbols attached to the peripheral surfaces of the reels 4R, 4M, 4L can be displayed.

(Power box)
As shown in FIG. 2, the power supply box 9 includes a power supply box main body 10 in which a storage space for storing a power supply circuit (see a base body 12 of the power supply box main body 10 shown in FIG. 4) is formed. The circuit board 11 (refer FIG. 3) accommodated in the inside of the main body 10 is provided. At this time, various electronic components and the like are mounted on the circuit board 11 to form a power supply circuit.

  As shown in FIGS. 3 and 4, the power supply box body 10 includes a box-shaped base body 12 whose left side is opened and a substantially plate-shaped cover body 13 that closes the left side of the base body 12 that is opened. By attaching the cover body 13 to the base body 12, a storage space for storing the circuit board 11 is formed therein. And it fixes to the inner surface of the left side board 2 (refer FIG. 1) of the housing | casing 2 in the state which accommodated the circuit board 11 in the inside.

  The power box body 10 will be described in detail. As shown in FIG. 3, a front wall surface 14a1, a rear wall surface 14a2, a left wall surface 14a3, and a bottom wall 14a4 are provided at the approximate center of the upper outer surface 12a of the base body 12. A configured recess 14a is formed. Here, the formation part of the left wall surface 14a3 of the recessed part 14a in the base body 12 is plate-shaped, and the left wall surface 14a3 is formed in a trapezoidal shape when viewed from the right side (see FIG. 5). At this time, the recesses 14a are formed so that the front wall surface 14a1, the rear wall surface 14a2, and the bottom wall 14a4, which are arranged in the direction perpendicular to the left wall surface 14a3, are connected to the respective sides excluding the upper side of the left wall surface 14a3. Yes. The left wall surface 14a3 is provided with an insertion hole 15a for inserting a screw for fixing the power supply box body 10 to the housing 2.

  In addition, a rectangular insertion hole 16 is formed in the front portion of the upper outer surface 12a so as to allow the distal end portion of the connector socket 11a mounted on the circuit board 11 to be inserted therethrough.

  A concave portion 14b composed of an upper wall surface 14b1, a lower wall surface 14b2, a left wall surface 14b3, and a rear wall surface 14b4 is formed on the upper portion of the outer side surface 12b on the front side of the base body 12. Here, the formation part of the left wall surface 14b3 of the recess 14b in the base body 12 has a plate shape, and the left wall surface 14b3 is formed in a trapezoidal shape when viewed from the right side (see FIG. 5). At this time, the concave portion 14b is formed so that the upper wall surface 14b1, the lower wall surface 14b2, and the rear wall surface 14b4 arranged in the direction perpendicular to the left wall surface 14b3 are connected to the respective sides excluding the bottom side on the front side of the left wall surface 14b3. Yes. Further, an insertion hole 15b for inserting a screw for fixing the power supply box main body 1 to the housing 2 is provided in the left wall surface 14b3.

  In the lower part of the outer side surface 12b on the front side of the base body 12, a recess 14c composed of an upper wall surface 14c1, a lower wall surface 14c2, a left wall surface 14c3 and a rear wall surface 14c4 is formed in the same manner as the recess 14b formed in the upper part. In addition, an insertion hole 15c is formed through the left wall surface 14c3 of the recess 14c. Further, an openable / closable lid body 25 is attached between the concave portions 14b and 14c formed on the front outer surface 12b of the base body 12 and at a position near the lower concave portion 14c. A switch (not shown) for turning on / off the power is disposed inside the lid body 16.

  Here, as shown in FIG. 5, the insertion hole 15a formed in the left wall surface 14a3 of the recess 14a of the upper outer surface 12a of the base body 12 is shifted from the center of the left wall surface 14a3 to the rear side. . Therefore, when the screw is inserted into the insertion hole 15a and the power supply box 9 is fixed to the housing 2, there is a space in which a tool such as a screwdriver used for screw fixing is disposed on the front side of the insertion hole 15a in the recess 14a. Born, it becomes possible to smoothly fix the power supply box 9 to the housing 2.

  Various electronic components (not shown) for forming a power supply circuit are mounted on the circuit board 11, and a connector socket 11a for external connection (corresponding to the “connector” of the present invention) is mounted. The circuit board 11 is provided with a plurality of fixing holes 11b and is fixed to the base body 12 with screws or the like. At this time, the circuit board 11 is fixed to the base body 12 with the distal end portion of the connector socket 11 a of the circuit board 11 inserted into the insertion hole 16 of the base body 12.

  Here, various devices such as the control board 7, the reel device 7, and the hopper device 5 included in the slot machine 1 are connected to the connector socket 11 a via a harness (not shown). At this time, one end of the harness is connected to a power supply unit of various devices such as the control board 7, the reel device 4, and the hopper device 5 included in the slot machine 1. In addition, a connector plug (not shown) is provided at the other end of the harness, and the connector plug is inserted into a connector socket 11 a mounted on the circuit board 11, whereby the circuit board 11 of the power supply box 9. Is supplied to various devices as a drive voltage.

  In addition, a rectangular ring-shaped packing 11c (corresponding to the “closing member” in the present invention) is attached to the connector socket 11a so as to surround the outer surface thereof. The packing 11c is attached to the connector socket 11a before the distal end portion of the connector socket 11a is inserted into the insertion hole 16 of the base body 12. Accordingly, the gap between the connector socket 11 a and the insertion hole 16 of the base body 12 can be closed from the inside of the power supply box body 10 in a state where the circuit board 11 is housed in the power supply box body 10. Yes.

  As shown in FIG. 3, the cover body 13 is formed in a substantially plate shape, and is located at a position corresponding to a portion where the left wall surfaces 14 a 3, 14 b 3, and 14 c 3 of the respective concave portions 14 a, 14 b, and 14 c of the base body 12 on the periphery thereof are formed. The notches 17a, 17b, and 17c are formed. These notches 17a, 17b, and 17c are formed in a shape that matches the shape of the left wall surfaces 14a3, 14b3, and 14c3 of the corresponding recesses 14a, 14b, and 14c. Further, a plurality of screw holes 19 for fixing the cover body 13 to the base body 12 are provided.

  Furthermore, a positioning portion 21 for positioning the packing 11c attached to the connector socket 11a is formed on the front side of the upper portion of the inner side surface of the cover body 13. As shown in FIG. 3, the positioning portion 21 includes a base plate 21 a that is projected from the inner surface of the cover body 13, and three standing plates 21 b that are erected on the upper surface of the base plate 21 a. At this time, the standing plates 21b are erected on the base plate 21a in parallel and at substantially equal intervals. Moreover, the latching | locking part 21c for latching the packing 11c is each formed in the upper right end part of each standing board 21b.

  Here, the packing 11c positioning method will be described. As shown in FIG. 6, in the state where the circuit board 11 is housed inside the power supply box body 10, the portion of the packing 11c that contacts the left wall 11a1 of the connector socket 11a is formed. By being locked by each locking portion 21c of the positioning portion 21, the movement in the lower direction and the left direction of the packing 11c is restricted. Further, the upward movement of the packing 11c is restricted by the inner surface of the base body 12, and the rightward movement is restricted by the left wall 11a1 of the connector socket 11a. In addition, each standing plate 21b and each latching | locking part 21c of the positioning part 21 are each dimension-set so that the movement to the downward direction of packing 11c and a left direction can be controlled.

  The portion of the packing 11c that contacts the right wall 11a2 of the connector socket 11a is sandwiched from above and below by the inner surface of the base body 12 and the circuit board 11, and the positioning portion 21 of the cover body 13 and the circuit board 11 The packing 11c is positioned with certainty. It is not always necessary to use the circuit board 11 for positioning the packing 11c.

  In the base body 12 and the cover body 13 configured in this way, as shown in FIG. 7, when the cover body 13 is mounted on the base body 12, the left wall surfaces 14a3, 14b3, 14c3 of the corresponding base body 12 The formed portion and the cutout portions 17a, 17b, and 17c of the cover body 13 are fitted to each other, and the cover body 13 is fixed to the base body 12 by the screws 20 in this state. In addition, the back side surface of the left wall surface 14a3 (refer FIG. 3) of the recessed part 14a formed in the outer side surface 12a above the base body 12, and the recessed part 14b formed in the upper part of the outer side surface 12b of the front side of the base body 12 are shown. Ribs 18a and 18b are formed and reinforced on each of the back side surfaces of the left wall surface 14b3 (see FIG. 3).

  Next, the attachment (fixation) of the power supply box 9 to the housing 2 will be described. The power supply box 9 is fixed in the vicinity of the inner surface of the left side plate 2c of the housing 2 as shown in FIG. . Specifically, the left side surface of the power supply box main body 10 shown in FIG. 7 is disposed so as to contact the inner side surface of the left side plate 2c of the housing 2, and the concave portions 14a, 14b, 14c of the base body 12 (FIG. 3). The power supply box 9 is fixed to the housing 2 by inserting screws through the insertion holes 15a, 15b, and 15c formed in the reference).

  Therefore, according to the above-described embodiment, the power supply box 9 has a packing that closes the gap between the connector socket 11a and the insertion hole 16 in a state where the distal end portion of the connector socket 11a is inserted into the insertion hole 16 of the base body 12. Since 11c is provided, the packing 11c can prevent foreign matter such as dust and unauthorized tools from entering the inside of the power supply box body 10. Further, if the packing 11c is simply provided, the position of the packing 11c may be shifted due to, for example, an impact when the power supply box 9 is transported, and the effect of preventing entry of foreign matter may not be obtained. However, in this invention, since the positioning part 21 which positions the packing 11c is provided in the cover body 13 of the power supply box main body 10, it can prevent that the packing 11c is displaced by the impact at the time of transport. Therefore, it is possible to reliably prevent foreign matter from entering the power box body 10.

  Further, since the packing 11c is provided inside the power supply box body 10, it is difficult to remove the packing 11c from the outside of the power supply box body 10 and to allow unauthorized tools such as piano wires to enter the power supply box body 10. Become.

  In addition to the positioning portion 21 of the cover body 13, the packing 11 c is also positioned by the circuit board 11 fixed inside the base body 12, so that foreign matter can enter the power box body 10 more reliably. Can be prevented.

  Note that the present invention is not limited to the above-described embodiment, and various modifications other than those described above can be made without departing from the spirit of the present invention. For example, in the above-described embodiment, the case where the packing 11c is positioned by forming the notch (the locking portion 21c) in the standing plate 21b of the positioning portion 21 has been described. However, in the downward direction and the leftward direction of the packing 11c. As long as the movement of the positioning portion 21 can be restricted, the configuration and shape of the positioning portion 21 can be appropriately changed.

  Further, the present invention can be applied not only to the slot machine 1 but also to various gaming machines in which a power box is disposed inside the housing.

  DESCRIPTION OF SYMBOLS 1 ... Slot machine (game machine), 2 ... Housing | casing, 9 ... Power supply box, 10 ... Power supply box main body, 11 ... Circuit board, 11a ... Connector socket (connector), 11c ... Packing (blocking member), 16 ... Insertion hole , 21 ... Positioning part

Claims (2)

In the power supply box arranged inside the housing of the gaming machine,
A circuit board on which a power circuit is formed;
A connector for external connection mounted on the circuit board;
Has a rectangular insertion hole through which the connector is inserted, a power supply box body in which the circuit board therein Ru is fixed is housed,
Is disposed within the power supply box body, the connector enters foreign objects inside the power supply box body from a gap between the front Symbol connector and the insertion hole in a state in which the are inserted into the insertion hole of the power supply box body And a blocking member for preventing
The power supply box main body is provided with a positioning portion for positioning the closing member ,
The closing member has a rectangular ring shape that surrounds the outer surface of the connector, is disposed in contact with a peripheral edge of the insertion hole on the inner surface of the power supply box body, and one side of the closing member is formed on the circuit board. A power source characterized in that the power source is sandwiched between an end surface and an inner side surface of the power source box main body, and is positioned by engaging a side opposite to the one side of the closing member by the positioning portion. box. The positioning portion has a locking portion that locks to the opposite side of the closing member,
The locking portion is in one direction from the one side of the closing member to the opposite side and in two directions that are orthogonal to the one direction and the other direction toward the inside of the power supply box body. wherein to restrict the movement of the closure member, the power supply box of claim 1, wherein Rukoto to abolish engagement with the opposite sides.

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