JP4958530B2 - Connector cover and gaming machine - Google Patents

Description

  The present invention relates to a connector cover attached to a main control board case of a gaming machine and a gaming machine equipped with the connector cover, and allows unauthorized removal of the main control board while realizing reuse of the connector cover. It relates to technology that makes it difficult to perform.

  Although gaming machines such as pachinko machines and pachislot machines have been developed as a healthy entertainment for the general public, prize balls and medals can be exchanged for prizes such as cigarettes, and thus may be subject to various illegal acts. For this reason, means that make it difficult for cheating, and means that an administrator of the gaming machine can quickly find out that cheating has been performed are adopted in the gaming machine. For example, in recent gaming machines, lottery wins and the like are electronically performed in the main control board, so an authentic ROM (read-only memory) mounted on the main control board is an illegal ROM in which an illegal program is written. There is a known fraudulent act of exchanging. Further, as a means for making it difficult for an illegal act to be performed, it is known to cover the entire main control board with a board case that is difficult to open. As a structure that makes it difficult to open the substrate case, a sealing structure using a one-way screw as disclosed in Patent Document 1 is known, and this sealing structure is obtained by opening the substrate case (that is, sealing). When the part is broken by a tool or the like, the trace is left on the substrate case. In other words, this sealing structure also functions as a means by which an administrator of the gaming machine can quickly detect that the above-described fraud has been performed.

However, as a fraudulent act that invalidates the sealing structure of the board case described above, an illegal harness incorporating an IC chip or the like is interposed between the socket of the main control board and the connector, or the board case is removed from the gaming machine. In addition, there have been cases where a fraudulent board case containing a newly tampered main control board is mounted on a gaming machine. Therefore, in order to prevent this type of fraud, a connector cover having engagement protrusions that engage with both ends of the connector on the inner surface of the bag portion is used so that the connector cannot be removed from the socket of the main control board (that is, A technique for preventing the substrate case from being removed from the pachinko gaming machine has been proposed (see Patent Document 2).

Japanese Patent No. 3261484 JP 2006-34784 A

  In the method of Patent Document 2 described above, since the engagement protrusion of the connector cover is formed on the inner surface of the bag portion, once the connector cover is attached to the connector, the connector is removed from the socket of the main control board as it is. I can't. Therefore, when separating the main control board and the electrical harness for replacement or inspection of the main control board (hereinafter referred to as maintenance work), the connector cover cannot be removed unless the bag portion is destroyed. Could not be reused. Moreover, in patent document 2, since the bag part of a connector cover fits in the state which contact | adhered to the socket of the main control board, when a maintenance operator is not very skilled, when removing a connector cover, There was a risk of damaging the socket and the like.

  The present invention has been made in view of such a background, and a connector cover that makes it difficult to illegally remove the main control board while realizing reuse of the connector cover, and a gaming machine including the connector cover The purpose is to provide.

According to a first aspect of the present invention, there is provided a main control board on which a socket to which a connector of an electric harness is connected is mounted, and the main control board is accommodated between a case main body and a case cover, and the opening through which the electric harness passes. A connector cover that is provided in a gaming machine having a main control board case formed on the case cover, is attached to the main control board case, and serves to prevent a connector connected to the socket from being detached. And an elastic locking means for engaging with an edge of a locking hole formed in the case cover, and is divided into a first half and a second half by a dividing line facing a penetrating portion of the electrical harness, dividing line has a corrugated portion, in the corrugations, the at least one of the first half and the second half is the expansion preventing pawl that engages the other edge portion is formed And features.

According to a second aspect of the present invention, a main control board on which a socket to which a connector of an electric harness is connected is mounted, the main control board is accommodated between a case main body and a case cover, and the electric harness passes therethrough. A connector cover that is provided in a gaming machine having a main control board case formed with an opening formed in the case cover, and that is attached to the main control board case and serves to prevent a connector connected to the socket from coming off An elastic locking means that engages with an edge of an opening formed in the main control board, and is divided into a first half and a second half by a dividing line facing a penetration portion of the electrical harness; the dividing line has a corrugated portion, in the corrugations, this said at least one of the first half and the second half is the expansion preventing pawl that engages the other edge portion is formed The features.

  According to a third aspect of the present invention, in the connector cover according to the first or second aspect, the surface facing the main control board is the end face of the connector when mounted on the main control board case. It contacts, It is characterized by the above-mentioned.

According to a fourth aspect of the present invention, there is provided a gaming machine comprising the connector cover according to any one of the first to third aspects.

According to the first aspect of the present invention, the engagement between the edge of the locking hole and the elastic locking means cannot be released unless the main control board case is opened. It is difficult to work on the control board. Also, during regular maintenance work, the main control board case can be opened to release the engagement between the edge of the locking hole and the elastic locking means from the back of the case cover, so that the connector cover can be reused. It becomes possible. According to the invention of claim 2, since the elastic locking means engages with the locking hole formed in the main control board, it becomes more difficult for the unauthorized person to remove the connector cover. Further, according to the first and second aspects of the invention, since the connector cover can be mounted after the connector of the electrical harness is connected to the socket of the main control board, it is applied to various gaming machines having different types of electrical harnesses. In addition, even when a fraudulent person inserts a screwdriver or the like into the dividing line, the connector cover does not open greatly from the dividing line, and the fraud can be effectively suppressed. According to the invention of claim 3, the connector of the electrical harness is not easily pulled out of the socket, and the connector cover is less likely to fall down. In addition, according to the invention of claim 4 , it is possible to effectively suppress the act of an unauthorized person on the main control board and the attachment of an unauthorized harness.

  Hereinafter, with reference to the drawings, embodiments of a connector cover according to the present invention and a pachinko gaming machine to which the connector cover is attached will be described in detail.

<< First Embodiment >>
FIG. 1 is a perspective view showing the back of the pachinko gaming machine according to the first embodiment, FIG. 2 is a front view of the board case according to the first embodiment, and FIG. 3 is a view taken along the arrow III in FIG. 4 is an enlarged sectional view taken along line IV-IV in FIG. 2, FIG. 5 is a front view of the connector cover according to the first embodiment, and FIG. 6 is an exploded perspective view of the connector cover according to the first embodiment. FIG. 7 is an enlarged cross-sectional view of a main part of the connector cover according to the first embodiment. In the present embodiment, for convenience of explanation, the left side in FIG. 2 is the left, the upper side is the top, and the left side in FIG. 3 is the back.

<Configuration of pachinko machines>
As shown in FIG. 1, the pachinko gaming machine 1 includes a vertically long rectangular outer frame 2, a game board 3 fitted inside the outer frame 2, a symbol display unit 4 installed at the center of the game board 3, External terminal board 5 installed in the upper part of the outer frame 2, a substrate case (main control board case) 6 made of transparent resin installed in the lower part of the game board 3, a main control board 7 accommodated in the board case 6, a payout It consists of a payout control board case 8 and the like that accommodates a control board (not shown). In addition, on the front surface of the pachinko gaming machine 1, a launch lever 9, various kinds of unillustrated objects, a saucer, and the like are installed.

  As shown in FIGS. 2 and 3, rectangular through holes 16 a to 16 f are formed in the substrate case 6, and are mounted on one surface of the main control board 7 from these through holes 16 a to 16 f. The tips of the first to sixth sockets 15a to 15f are protruded. The first to sixth sockets 15a to 15f are used for electrical connection with a relay board, a payout control board, and the like, and as shown in FIG. 4 (mounting portion of the fourth socket 15d), Connectors 18a to 18f of electrical harnesses 17a to 17f are connected to the first to sixth sockets 15a to 15f in order to electrically connect the main control board 7 to other control boards or the like.

Here, the substrate case 6 includes a case main body 11 fixed to the back surface of the game board 3 and a case cover 12 covering the case main body 11. The case cover 12 covers the surface (surface) of the main control board 7 on which the first to sixth sockets 15a to 15f are mounted. The through holes 16a to 16f described above are formed as case covers. 12 is provided. Further, the case main body 11 covers the back surface of the main control board 7, and a fixing portion (not shown) for fixing the main control board 7 to the case main body 11 is provided. The main control board 7 and the case main body 11 are fixed by a screw (not shown). The screw is screwed into the case main body 11 from the main control board 7 side, and the head of the screw is also in the board case 6. Is to be housed. The main control board 7 is accommodated / held in the board case 6 by fixing the main control board 7 to the case main body 11 and then using the tightening bosses 13 and 14 described later to the case main body 11 to the case cover 12. It is done by fixing. Four fastening bosses (sealing portions) 13 and 14 are provided on the left and right ends of the case body 11 and the case cover 12, and two sets of the fastening bosses 13 and 14 are fastened by a one-way screw 19. As a result, the case main body 11 and the case cover 12 are integrated. When the substrate case 6 is opened, the fastening bosses 13 and 14 fastened by the one-way screw 19 are cut by a nipper or the like, and when the substrate case 6 is sealed again, the other two sets of fastening bosses 13 are used. , 14 are fastened with a one-way screw.

<Connector cover>
A transparent resin connector cover 30 having a substantially rectangular parallelepiped shape is attached to the case cover 12, and the mounting portions of the first to sixth sockets 15 a to 15 f are covered by the connector cover 30. The connector cover 30 is divided by a dividing line 33 into a first half 31 constituting an upper part and a second half 32 constituting a lower part.

  As shown in FIG. 5, the connector cover 30 is formed with six through holes (through portions) 34 a to 34 f through which the electric harnesses 17 a to 17 f are inserted, and the above-described dividing line 33 is formed of the through holes 34 a to 34 a. It faces 34f.

  In the dividing line 33, a first wavy portion 35a is formed between the first through hole 34a and the second through hole 34b, and a second wavy portion 35b is formed between the third through hole 34c and the fourth through hole 34d. The third wavy portion 35c is formed between the fourth through hole 34d and the fourth through hole 34e.

  As shown in FIG. 6, the first half 31 is formed with two spread prevention claws 36 a and 36 b facing the first and third wavy portions 35 a and 35 b, and the second half 32 has three spreads. Prevention claws 37a to 37c are formed facing the respective wavy portions 35a to 35c. As shown in FIG. 7, the expansion preventing claws 36a to 36c on the first half 31 side engage with the inner side of the edge of the second half 32, and the expansion preventing claws 37a and 37b on the second half 32 side are the first. The half 31 is engaged with the inside of the edge.

  As shown in FIG. 5 and FIG. 6, five elastic locking pieces 42 having locking claws 41 at the tips protrude from the front upper end of the first half 31 at equal intervals. Further, also from the lower end of the front portion of the second half 32, five elastic locking pieces 44 having locking claws 43 at the tip are projected at equal intervals. On the other hand, the case cover 12 has eight locking holes 45 into which the elastic locking pieces 42 and 44 are fitted, and the locking claws 41 and 43 are engaged with the edges of the locking holes 45. is doing.

  Locking protrusions 46 and 47 are provided on the inner wall surfaces of the first half 31 and the second half 32 so as to surround the through holes 34a to 34f, and the front end surfaces of the locking protrusions 46 and 47 are the connector 18a. It is in contact with the rear end face of -18f. When there is a difference in the amount of protrusion from the board case 6 between the connectors 18a to 18f, the dimensions of the locking projections are designed to contact the rear end surfaces of the connectors 18a to 18f. In the above case, the front end surfaces of the locking projections 46 and 47 may be in contact with only the rear end surface of the one having the largest protrusion amount (for example, the connector 18d).

<Operation of First Embodiment>
In assembling the pachinko gaming machine 1, the assembly operator attaches various devices and boards to the back surface of the game board 3, and then connects the connectors 18a to 18f of the electric harnesses 17a to 17f to the corresponding sockets 15a to 15f. To do. Next, as shown in FIG. 8, the assembly operator combines the first half 31 and the second half 32 of the connector cover 30, and then inserts the elastic locking pieces 42 and 43 into the locking holes 45. . Then, the elastic locking pieces 42, 43 are bent inward and restored after passing through the locking hole 45, so that the locking claws 41, 43 are engaged with the edge of the locking hole 45 as shown in FIG. To do.

  In this embodiment, by adopting such a configuration, the connectors 18a to 18f cannot be pulled out from the sockets 15a to 15f unless the connector cover 30 is removed from the board case 6. Then, by appropriately setting the shapes and dimensions of the locking claws 41, 43, for example, even when an unauthorized person presses the connector cover 30 from above and below, the engaging claw 41, 43 is engaged from the edge of the locking hole 45. The pawls 41 and 43 can be prevented from coming off.

  Further, since the first half 31 and the second half 32 are engaged with each other by the spread prevention claws 36 a to 36 c, 37 a, and 37 b formed in the respective wavy portions 35 a to 35 c, Even when a screwdriver or the like is inserted into the connector cover 30, the connector cover 30 does not open greatly from the dividing line 33. In the present embodiment, since the front end surfaces of the locking projections 46 and 47 are in contact with the rear end surfaces of the connectors 18a to 18f, the first half 31 and the second half 32 are unlikely to fall down, and the connector cover 30 is It is more difficult to open from the dividing line 33.

  As a result, a fraudulent person cannot remove the main control board 7 from the pachinko gaming machine 1 without destroying the connector cover 30 (in other words, without leaving a trace), and the fraudulent act is extremely effectively suppressed. .

  On the other hand, when the maintenance operator separates the main control board 7 and the electrical harnesses 17a to 17f for maintenance work, first, the fastening bosses 13 and 14 fastened by the one-way screw 19 are cut by a nipper or the like, The case 6 is separated into a case body 11 and a case cover 12 to which the main control board 7 is fixed. As shown in FIG. 9, by this separation, the connectors 18a to 18f can be easily pulled out from the sockets 15a to 15f of the main control board 7. Thereafter, as shown in FIG. 9, the maintenance worker releases the engagement between the locking hole 45 and the locking claws 41 and 43 by bending up and down using a tool or the like, and the connector cover 30 is moved to the case. Remove from the cover 12. Since this operation is performed from the inside of the case cover 12, there is almost no risk of scratching the case cover 12 or the connector cover 30.

  As a result, the maintenance worker can easily pull out the connectors 18a to 18f from the sockets 15a to 15f, remove the main control board 7 from the pachinko gaming machine 1 and replace it, or bring it into the inspection organization. When the main control board 7 is stored again in the board case 6, the other two sets of the fastening bosses 13, 14 are fastened by the one-way screw 19 to seal the board case 6. 6 is installed in the pachinko gaming machine 1 and the electrical harnesses 17a to 17f and the connector cover 30 are attached.

<< Second Embodiment >>
FIG. 10 is an enlarged cross-sectional view of a main part of the connector cover according to the second embodiment. In addition, about 2nd Embodiment, since the whole structure is the same as that of 1st Embodiment mentioned above, the same code | symbol is attached | subjected to the same member and the overlapping description is also abbreviate | omitted.

  First, the difference between this embodiment and the first embodiment is that a fixing portion (not shown) for fixing the main control board 7 to the case cover 12 is provided, and accommodation / holding of the main control board 7 in the board case 6 is performed. The main control board 7 is fixed to the case cover 12, and then the case main body 11 is fixed to the case cover 12 using fastening bosses 13 and 14 described later. The main control board 7 and the case cover 12 are fixed by screws (not shown), and the screws are screwed into the case cover 12 from the main control board 7 side. The head of the screw is accommodated in the substrate case 6. As shown in FIG. 10, in the second embodiment, eight insertion holes 48 through which the respective elastic locking pieces 42 and 44 are inserted are formed on the case cover 12 side, and the elastic locking pieces 42 and 44 are inserted. Eight locking holes 45 are formed on the main control board 7 side. In the second embodiment, because of such a configuration, it is impossible to remove the locking claws 41 and 43 from the edge of the locking hole 45 unless the case cover 12 and the main control board 7 are separated from each other. Action is more effectively suppressed.

  Although description of specific embodiment is finished above, the aspect of the present invention is not limited to this embodiment. For example, in each of the above embodiments, the present invention is applied to a connector cover provided in a board case for housing a main control board of a pachinko gaming machine. However, a case or a pachislot machine for housing other control boards of a pachinko gaming machine. Of course, the present invention can also be applied to a case for accommodating a control board such as a gaming machine. In the above embodiment, the connector cover is divided into two parts, but a plurality of electrical harnesses and an integrated connector cover may be assembled. In that case, the versatility as a connector cover is impaired, but a fraudulent person does not cause a driver or the like to be inserted into the dividing line. It is suitable for pachinko machines that are mass-produced at In addition, the specific configuration of the connector cover, the attachment portion to the board case, and the like can be changed as appropriate without departing from the gist of the present invention.

It is a perspective view showing the back of the pachinko gaming machine according to the first embodiment. It is a front view of the substrate case concerning a 1st embodiment. FIG. 3 is a view taken in the direction of arrow III in FIG. 2. It is IV-IV expanded sectional drawing in FIG. It is a front view of the connector cover concerning a 1st embodiment. It is an expansion | deployment perspective view of the connector cover which concerns on 1st Embodiment. It is a principal part expanded sectional view of the connector cover which concerns on 1st Embodiment. It is explanatory drawing which shows the effect | action of 1st Embodiment. It is explanatory drawing which shows the effect | action of 1st Embodiment. It is a principal part expanded sectional view of the connector cover which concerns on 2nd Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pachinko machine 6 Board case 7 Main control board 11 Case main body 12 Case cover 15 Socket 16 Through-hole 17 Electrical harness 18 Connector 30 Connector cover 31 1st half 32 2nd half 33 Dividing line 34 Through-hole 35 Wave-like part 36 Expansion Prevention claw 37 Expansion prevention claw 41 Locking claw 42 Elastic locking piece (elastic locking means)
43 Locking claw 44 Elastic locking piece (elastic locking means)
45 Locking hole 46 Locking protrusion 47 Locking protrusion 48 Insertion hole

Claims (4)

A main control board on which a socket to which a connector of the electrical harness is connected is mounted;
The main control board is housed between a case main body and a case cover, and an opening through which the electric harness passes is provided in a gaming machine having a main control board case formed in the case cover,
A connector cover that is attached to the main control board case and serves to prevent a connector connected to the socket from being detached,
Comprising an elastic locking means for engaging with an edge of a locking hole formed in the case cover ;
Divided into a first half and a second half by a dividing line facing the penetration part of the electrical harness,
The dividing line has a wavy portion, and in the wavy portion, at least one of the first half and the second half is formed with a spread preventing claw that engages with the other edge portion. And connector cover. A main control board on which a socket to which a connector of the electrical harness is connected is mounted;
The main control board is housed between a case main body and a case cover, and an opening through which the electric harness passes is provided in a gaming machine having a main control board case formed in the case cover,
A connector cover that is attached to the main control board case and serves to prevent a connector connected to the socket from being detached,
Comprising elastic locking means for engaging the edge of the opening formed in the main control board ;
Divided into a first half and a second half by a dividing line facing the penetration part of the electrical harness,
The dividing line has a wavy portion, and in the wavy portion, at least one of the first half and the second half is formed with a spread preventing claw that engages with the other edge portion. And connector cover.   3. The connector cover according to claim 1, wherein a surface facing the main control board abuts against an end face of the connector in a state of being mounted on the main control board case. A gaming machine comprising the connector cover according to any one of claims 1 to 3.

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