JP2011062436A - Board case for game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To further improve the security against the fraudulent action by forming the mechanism for restricting the turning the screw in the direction, onto loosen inside where it is not exposed to the outside in the board case for the game machine. <P>SOLUTION: A locking mechanism 40 which maintains an imposition state of a cover body 30 for a case body 20 includes a lock screw 50 and a screw bearing box 60. A male screw 53 formed at least by the intermediate range of lock screw 50 and a female screw 70 formed in a box of the screw bearing box 60 restrict the action of turning the lock screw 50 to loosen in the box of screw bearing box 60 which is in a blocked state. By this mechanism, even if someone wants to turn the lock screw 50 in the direction to loosen the screw, one cannot access the part where the male screw 53 and the female screw 70 are threaded, and therefore the security against fraudulent action can be improved more. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a board case for a gaming machine that houses a control board for controlling a gaming machine such as a pachinko gaming machine or a pachislot gaming machine and is installed inside the gaming machine.

  In gaming machines such as pachinko gaming machines and pachislot gaming machines, a control board is installed inside the gaming machine. This control board is installed to perform various control processes related to games. For example, a main control board that performs various control processes related to jackpots, a payout that performs payout control processes related to prize ball payout, etc. There are a control board, a lamp control board that performs a lamp control process related to electrical decoration, a game ball launch control board that performs a game ball launch control process of the launching device, and the like. Some of these control boards are required to regulate illegal acts (goat acts) such as replacement or operation by law. For this reason, the control board requested | required in this way is accommodated in the board | substrate case which prevents that a third party opens, and it is trying to regulate such an unauthorized act.

By the way, in the case of the substrate case that accommodates the control board as described above, in order to prevent it from being opened by a third party, the opening portion of this substrate case is caulked or thermocompression bonded, What is tightly closed is known. However, in the caulking example, a new caulking part is prepared and opened and then caulked again. In the case of thermocompression bonding, the caulking is opened and then thermocompression bonded again using a dedicated tool. Closing later is easy to reproduce, and there was a problem in restricting the above-mentioned fraudulent acts.
In view of this, a substrate case is known in which a screw member is arranged so as to make it difficult to reproduce the problem of closing (for example, see Patent Document 1 and Patent Document 2).

  The screw member of the substrate case disclosed in Patent Literature 1 and Patent Literature 2 is configured such that once the screw is fastened, the screw cannot be turned in the loosening direction. For this reason, in order for a fraudster to open a board case, at least the sealed part must be destroyed, and if the board case is opened, a trace of destruction is left. ing. Then, from the trace that the substrate case is opened, the manager can immediately determine whether there is an illegal act on the control substrate.

Japanese Patent No. 3261684 JP-A-2005-218468

  However, since the screw member of the board case described above is formed on the screw head of the screw member exposed to the outside so as to restrict the screw turning in the loosening direction, the loosening direction can be achieved by some ingenuity of the fraudster. It is also conceivable that the screw is turned. For this reason, it is pointed out that the circuit board case disclosed in the above-mentioned patent document is still vulnerable to crime prevention against fraud.

  The present invention has been made in view of such circumstances, and the problem to be solved by the present invention is to accommodate a control board that controls a gaming machine such as a pachinko gaming machine or a pachislot gaming machine, and the gaming machine In the board case for gaming machines installed inside, the structure to prevent screwing in the loosening direction is formed inside without exposing to the outside, so that crime prevention against illegal acts is further improved There is to increase.

In solving the above-described problems, the gaming machine substrate case according to the present invention employs the following means.
That is, the board case for a gaming machine according to the first aspect of the present invention is for a gaming machine that contains a control board for controlling a gaming machine such as a pachinko gaming machine or a pachislot gaming machine and is installed inside the gaming machine. A case body provided with a substrate housing part for housing the control board; and a cover body assembled to the case body in a state of housing the control board in the board housing part to form a sealing structure; A lock mechanism for holding the assembled state of the cover body with respect to the case body, and the lock mechanism includes a screw member having a male screw portion formed at least in an intermediate range and supported on the case body side; A screw receiving box in which a female screw portion corresponding to the male screw portion is formed in the box; and an engagement hook portion provided integrally with the cover body, wherein the screw member is disposed on the base end side. Screw member An operation portion for rotating the cover is provided, and an engagement end for holding the assembled state of the cover body with respect to the case body by engaging the engagement hook portion in a full state when the forward screw is rotated is provided on the distal end side. The screw receiving box includes a box body provided integrally with the case body, and a lid-like member assembled to the box body so as to close an opening portion of the box body, The male screw portion formed in at least an intermediate range of the screw member and the female screw portion formed in the box of the screw receiving box permit only forward screw rotation of the screw member, and the screw It is comprised so that the reverse screwing of a member may be controlled.

According to this gaming machine substrate case, the lock mechanism that holds the assembled state of the cover body with respect to the case main body includes a screw member and a screw receiving box, and a male screw portion formed at least in an intermediate range of the screw member; The female screw part formed in the box of the screw receiving box restricts the backward screwing of the screw member in the closed box of the screw receiving box, so that the screw cannot be turned in the loosening direction. The structure in the above is provided inside a closed box that is not exposed to the outside.
As a result, even if a person who intends to cheat tries to turn the screw in the loosening direction, the male screw part and the female screw part can be prevented from being put on the hand, Crime prevention can be further improved.

  A gaming machine board case according to a second invention is the gaming machine board case according to the first invention, wherein the case body, the cover body, and the locking mechanism are made of synthetic resin, A plurality of the engaging hook portions are arranged in the forward direction of the screw member and are provided so as to be cut off from the cover body, and the engaging hook portion in a state in which the engaging end portion is engaged, By being cut off from the cover body, the engagement end portion is disengaged to release the holding state of the cover body from the case body, and the screw member can be rotated forward again. A plurality of the engagement end portions of the screw member are arranged when the screw member is newly rotated forward by a new advance screw turning of the screw member. Established Engage, characterized in that newly hold the assembled state of the cover member relative to the case body for the new the engagement hook portion that.

According to this gaming machine board case, when the administrator wants to open the gaming machine board case in order to check the inside of the gaming machine board case, the engaging hook portion is cut off from the cover body to thereby engage the engaging end. The engagement of the parts is released, and the holding of the assembled state of the cover body to the case body is released. On the other hand, when the administrator confirms the inside of the gaming machine board case and then closes the gaming machine board case again, the screw member is newly moved forward by a new forward screw turning of the screw member to be in a full state. To do. That is, when the screw member is newly rotated forward and is full, the engagement end portion of the screw member is newly engaged with the new engagement hook portion provided in a row, and the case The assembly state of the cover body with respect to the main body is newly maintained. As a result, the administrator can close the gaming machine board case opened after checking the inside. Therefore, according to this gaming machine board case, the administrator can easily open and close the gaming machine board case multiple times in order to confirm the inside.
Also, according to this gaming machine substrate case, the case main body, the cover body, and the lock mechanism are made of synthetic resin. Therefore, when discarding the gaming machine substrate case, it is dissolved and recycled. This is advantageous from the viewpoint of recyclability.

  A gaming machine substrate case according to a third aspect of the present invention is the gaming machine substrate case according to the first aspect of the invention or the second aspect of the invention, wherein either the male screw portion or the female screw portion has a screw. A claw projecting from the mountain is provided, and a snapping part is provided on either the male screw part or the female screw part so that the claw part comes into contact with the screw member by turning the screw member. When the screw member is rotated forward and the claw part is brought into contact with the cache part, the claw part moves so as to be elastically submerged with respect to the cache part, and the cache part is moved. When the screw member is moved forward and the forward screw rotation of the screw member is permitted and the screw member is rotated backward to bring the claw portion into contact with the bite portion, the claw portion is Maintaining a protruding state that remains in contact with , Characterized in that is adapted to regulate the backward screwdriver of the screw member.

According to this board case for gaming machines, when the screw member is rotated forward, the claw portion that comes into contact with the caulking portion moves so as to be elastically submerged with respect to the caulking portion, thereby moving the caulking portion. Override and allow forward screwing of the screw member. On the other hand, when the screw member is rotated backward, the claw portion that is in contact with the cache part maintains the protruding state that remains in contact with the cache part, and the screw member is not rotated backward. It will be regulated.
As a result, the screw member can be rotated forward to engage the engagement end portion disposed on the distal end side with the engagement hook portion of the cover body, but the reverse screw is intended to release this engagement. It cannot be turned. Therefore, once the screw member is fastened, the screw cannot be turned in the loosening direction, and at least the sealed portion must be destroyed in order to open the gaming machine substrate case. Therefore, the administrator can immediately determine that there has been an illegal act from the trace of opening the board case for gaming machines.

A gaming machine substrate case according to a fourth aspect of the present invention is the gaming machine substrate case according to the third aspect of the present invention, wherein the claw portion is formed in an integrated state so as to be swingable with respect to the male screw portion. And the said caulking part is formed in the integrated state fixed with respect to the said female screw part, It is characterized by the above-mentioned.
According to this gaming machine substrate case, the claw portion is formed in an integrated state so as to be swingable with respect to the male screw portion, and the cache portion is formed in an integrated state fixed to the female screw portion. Therefore, the claw portion can be manufactured by integral molding of the male screw portion, and the hook portion can be manufactured by integral molding of the female screw portion, which is advantageous in manufacturing.

A gaming machine board case according to a fifth aspect of the present invention is the gaming machine board case according to any of the first to fourth aspects of the invention, wherein the lock mechanism has only one set in the longitudinal direction of the case body. It is provided along the side part.
According to this gaming machine substrate case, since only one set of the locking mechanism is provided along the longitudinal side portion of the case body, the length of the above-described screw member and screw receiving box in the forward and backward direction is long. The maximum length can be designed. As a result, the male screw portion formed at least in the middle range of the screw member and the female screw portion formed in the box of the screw receiving box can be designed to be maximized, so that the function as the lock mechanism can be achieved. Can be exhibited more effectively.

A gaming machine board case according to a sixth aspect of the present invention is the gaming machine board case according to any of the first to fifth aspects of the invention, wherein the operating portion of the screw member has the male screw at the tip side. A neck part integrally connected to the base end side of the part, and an operation part main body having a knob shape on the base end side of the neck part and formed integrally with the neck part, wherein the neck part includes the screw When the member is rotated backward, the connection to the male screw portion is released under the restriction of the reverse screw rotation of the screw member by the male screw portion and the female screw portion. Features.
According to this gaming machine substrate case, when the screw member is rotated backward, the neck portion is disconnected from the male screw portion under the restriction of the backward screw rotation of the screw member by the male screw portion and the female screw portion. Therefore, the operation portion main body formed integrally with the neck portion is also detached from the male screw portion, and it is impossible to rotate the screw member backward even if it is going to rotate the screw member backward. As a result, even if a person who intends to perform a fraudulent attempt to turn the screw member in the direction to loosen the screw member, the operation unit is detached and the screw cannot be turned, and the crime prevention performance against the fraud is further improved. be able to.

According to the board case for gaming machines according to the first invention, even if a person who intends to cheat tries to turn the screw in the loosening direction, he / she puts his hand on the part where the male screw part and the female screw part are screwed together. It cannot be applied and crime prevention against fraud can be further enhanced.
According to the gaming machine substrate case according to the second invention, the administrator can easily open and close a plurality of times, which is advantageous from the viewpoint of recyclability.
According to the gaming machine substrate case according to the third aspect of the present invention, the manager can immediately determine that there has been an illegal act from the trace of opening the case.
According to the gaming machine substrate case according to the fourth aspect of the invention, the claw portion can be manufactured by integral molding of the male screw portion, and the cache portion can be manufactured by integral molding of the female screw portion, which is advantageous in manufacturing.
According to the gaming machine substrate case of the fifth invention, the male screw portion formed at least in the middle range of the screw member and the female screw portion formed in the box of the screw receiving box are maximized. Therefore, the function as the lock mechanism can be exhibited more effectively.
According to the gaming machine substrate case according to the sixth aspect of the present invention, even if a person who intends to cheat attempts to turn the screw member in the direction of loosening, the operating portion is detached and cannot be turned. , Crime prevention against fraud can be further improved.

It is a perspective view which shows the board | substrate case for game machines. FIG. 2 is an exploded perspective view showing an exploded state of the gaming machine substrate case shown in FIG. 1. It is a perspective view which shows the state which assembles | attaches a cover body with respect to a case main body. FIG. 2 is a top view of the gaming machine substrate case shown in FIG. 1. It is sectional drawing of the board | substrate case for game machines which shows the VV cross-section arrow in FIG. It is sectional drawing of the board | substrate case for game machines which shows the VI-VI cross-section arrow in FIG. It is sectional drawing of the board | substrate case for game machines which shows the VII-VII cross-section arrow in FIG. It is a perspective view which shows the lock screw in the engagement state of the 1st step. It is a perspective view which shows the lock screw in the engagement state of a 2nd step. FIG. 10 is a cross-sectional view showing a cross-sectional view of the lock screw in the second stage engaged state shown in FIG. 9.

Embodiments for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 is a perspective view showing a gaming machine substrate case 10. FIG. 2 is an exploded perspective view showing an exploded state of the gaming machine substrate case 10 shown in FIG. FIG. 3 is a perspective view showing a state in which the cover body 30 is assembled to the case body 20. FIG. 4 is a top view of the gaming machine substrate case 10 shown in FIG. In FIGS. 1 and 4, the lock screw 50 is fully rotated by rotating the forward screw. Further, in the following, for the convenience of explaining the illustrated gaming machine substrate case, the gaming machine substrate case is oriented vertically and horizontally.
The gaming machine substrate case 10 is installed inside a gaming machine such as a pachinko gaming machine or a pachislot gaming machine, and accommodates a control board that controls the gaming of the gaming machine. As shown in FIG. 1 and FIG. 2, the gaming machine substrate case 10 generally holds the case body 20, the cover body 30 assembled to the case body 20, and the assembled state of the cover body 30 with respect to the case body 20. And a locking mechanism 40 that is configured.
The case body 20, the cover body 30, and the lock mechanism 40 are made of only a synthetic resin such as polycarbonate having excellent durability and impact resistance.

As shown in FIGS. 2 and 3, the case main body 20 has a sealed housing structure for accommodating a control board (not shown) by assembling a cover body 30 described later. In addition, as this control board, it is requested | required to regulate | regulate unauthorized acts (got act), such as replacement | exchange or operation by law, for example, the main control board which performs various control processing regarding big hits, Examples thereof include a payout control board for performing payout control processing relating to prize ball payout and the like. That is, as shown in FIG. 2, the case main body 20 is provided with a substrate accommodating portion 21 that accommodates a control board (not shown), and the cover body 30 in a state where the control substrate is accommodated in the substrate accommodating portion 21. Is slid and assembled to the case body 20.
Specifically, when the case main body 20 is assembled by sliding the cover body 30, two adjacent surfaces among the upper, lower, front, rear, left and right side surfaces are formed in an opening shape. That is, the case main body 20 is formed in an opening shape in which the illustrated upper surface and the illustrated rear surface are cut out. Further, the case body 20 is formed with a fitting hole 22 into which the fitting portion 31 of the cover body 30 is fitted for the cover body 30 to be assembled. The fitting holes 22 are provided at approximately four corners on the left and right sides of the case main body 20, respectively, and correspond to the fitting portions 31 of the cover body 30. The case main body 20 will be described in detail in the lock mechanism 40 described later. On the front side of the case main body 20 in the figure, the screw storage portion 25 including the box main body 61 constituting a part of the lock mechanism 40 is provided. The case body 20 is integrally formed.

  On the other hand, the cover body 30 is slid and assembled to the case body 20 so as to close the illustrated upper surface and the illustrated rear surface of the case body 20 in a state in which the control board (not shown) is accommodated. The cover body 30 is formed to have an opening shape in which a lower surface in the figure is cut out among six side surfaces, top, bottom, front, back, left, and right. The cover body 30 is provided with fitting portions 31 to be fitted into the fitting holes 22 of the case main body 20 described above at substantially four corners on the left and right sides in the figure. As will be described in detail later in the lock mechanism 40, as shown in FIG. 4, the engagement hook portion 32 (32 a, 32 b) constituting a part of the lock mechanism 40 is provided on the front side of the cover body 30 in the drawing. Two of the lock screws 50 are arranged in the forward direction so as to be integrally formed with the cover body 30. The engagement hook portion 32 (32a, 32b) is a portion with which the engagement end portion 52 of the lock screw 50 is engaged when the lock screw 50 is in a full state when the forward screw is turned. It is formed so that it can be cut using a special tool such as a nipper.

Next, the lock mechanism 40 will be described. FIG. 5 is a cross-sectional view of the board case for gaming machines showing the VV cross-sectional arrow in FIG. FIG. 6 is a cross-sectional view of the board case for gaming machines showing the VI-VI cross-sectional arrow in FIG. FIG. 7 is a cross-sectional view of the board case for gaming machines showing the VII-VII cross-sectional arrow in FIG. In addition, about these FIGS. 5-7, like FIG. 1, the lock screw 50 is a figure of a state where the advance screw is turned and is full.
As shown in FIG. 1 and the like, only one set of the lock mechanism 40 is provided along the longitudinal side portion of the case body 20. As shown in FIG. 2, the lock mechanism 40 includes a lock screw 50 as a screw member supported on the case body 20 side, a screw receiving box 60 as a screw receiving box that receives the lock screw 50, The above-described cover body 30 is provided with an engagement hook portion 32 (32a, 32b) integrally provided. Hereinafter, the lock screw 50, the screw receiving box 60, the engagement hook portion 32 ( Details of 32a and 32b) will be described.

The lock screw 50 will be described.
As shown in FIGS. 2 and 3, the lock screw 50 is formed in a substantially rod screw shape, and is a member corresponding to the screw member according to the present invention. In other words, the lock screw 50 is supported while being received by a screw receiving box 60 provided integrally with the case body 20, and is relative to the case body 20 and the cover body 30 by being screwed. Move forward or backward. Here, an operation portion 51 for screwing is provided on the proximal end side of the lock screw 50 on the right side in the figure. On the other hand, an engagement end portion 52 that engages with the engagement hook portion 32 (32a, 32b) described above is provided on the distal end side that is the left side of the lock screw 50 in the figure. Further, a male screw portion 53 is formed in an intermediate range of the lock screw 50 set in a range between the operation portion 51 and the engagement end portion 52. The operation portion 51, the engaging end portion 52, and the male screw portion 53 are formed by integrally molding polycarbonate as a synthetic resin.

Next, the operation part 51, the engagement end part 52, and the male screw part 53 will be described in detail.
The operation unit 51 is a part that is operated and rotated by an administrator when operating the lock screw 50. The operation portion 51 is generally configured to include a neck portion 51a that is integrally connected to the male screw portion 53, and an operation portion main body 51b that is integrally formed with the neck portion 51a.
The neck portion 51a is formed so that the distal end side is integrally connected to the proximal end side of the male screw portion 53 and the proximal end side is integrally connected to the distal end side of the operation portion main body 51b. When the lock screw 50 is rotated backward, the neck 51a is connected to the male screw 53 under the restriction of the backward screw rotation of the lock screw 50 by the male screw portion 53 and the female screw portion 70, which will be described later. It breaks so that it can be lifted. That is, the neck portion 51a is formed so as to be easily broken against stress that resists rotation as compared with the male screw portion 53 and the operation portion main body 51b. Specifically, the outer diameter of the neck portion 51a is set and molded to be smaller than the outer diameter of the male screw portion 53 and the operation portion main body 51b. The operation portion main body 51b is formed so that the distal end side is integrally connected to the proximal end side of the neck portion 51a, and is a knob that is exposed to the outside so that the administrator can pick it up and rotate it. It is formed with a shape.
The engagement end portion 52 is provided on the tip side opposite to the operation portion 51, and is formed in a cylindrical end shape on the outer shape. As shown in FIGS. 5 and 6, the engagement end 52 rotates the lock screw 50 forward as described above, and the forward screw is fully driven when the lock screw 50 is fully advanced. Further, it is a portion that engages with the engagement hook portion 32 (32a, 32b) of the cover body 30. Since the lock screw 50 is supported by the case body 20 as described above, when the engagement end 52 is engaged with the engagement hook 32 (32a, 32b) as described above, the case body The assembled state of the cover body 30 with respect to 20 is held by the lock screw 50.

By the way, the female screw part formed in the box of the screw receiving box 60 demonstrated later in the intermediate | middle range set to the range between the operation part 51 and the engagement edge part 52 among the lock screws 50 mentioned above. A male screw portion 53 corresponding to 70 is formed. The male screw portion 53 is configured by forming a screw thread in a range excluding the operation portion 51 and the engagement end portion 52 described above. The screw thread of the male screw portion 53 is formed so that the lock screw 50 moves forward with respect to the screw receiving box 60 when the lock screw 50 is rotated clockwise.
Here, the male screw portion 53 is provided with a claw portion 57 that is swingably integrated and protrudes from the screw thread (see FIG. 7). Specifically, a claw mechanism 55 corresponding to a cache portion 72, 76 provided in a female screw portion 70 (71, 75), which will be described later, is provided at the central portion of the male screw portion 53. The claw mechanism 55, together with the caulking portions 72, 76 of the female screw portion 70 (71, 75), which will be described later, allows only the forward screw rotation of the lock screw 50 and restricts the backward screw rotation of the lock screw 50. It has become a functional part.
As shown in FIG. 7, the claw mechanism 55 is configured to project the claw portions 57, 57 outward from the openings 56a, 56a of the through hole 56 provided in the central portion of the male screw portion 53. Composed. Specifically, the through-hole 56 is penetrated in the radial direction of the lock screw 50 so that the openings 56a and 56a are formed at a pair of positions at a relative position of 180 degrees on the peripheral surface of the male screw portion 53. Thus formed. And from the opening parts 56a and 56a formed in the relative position of 180 degree | times of the surrounding surface of this male screw part 53, each of the latching | locking edge parts 58 and 58 which comprise the front end side of the two claw parts 57 and 57 is each. Projecting outwardly, the two claw portions 57, 57 are provided. Specifically, as shown in FIG. 7, the two claw portions 57 and 57 are formed in an integrated state with respect to the inner wall surfaces 56 b and 56 b whose base ends are opposed to each other in the through hole 56. Is bent in the clockwise direction in the through hole 56, and the locking end portions 58, 58 on the front end side are formed so as to protrude outward from the openings 56 a, 56 a of the through hole 56. It has become a thing. That is, the locking end portions 58 and 58 protrude outward from a relative position of 180 degrees on the peripheral surface of the male screw portion 53. The two claw portions 57, 57 are formed so that the middle portion is bent in the clockwise direction in the through hole 56, so that the rocking space is set large in the counterclockwise direction. The two claw portions 57, 57 are easily elastically deformed so as to be swingable. On the other hand, the two claw portions 57 and 57 have a small swinging space in the clockwise direction, and the two claw portions 57 and 57 are hardly elastically deformed and swinging is restricted. It has been made.
Here, the locking end portions 58 and 58 project outward from the screw thread which is the outer peripheral surface of the male screw portion 53, and on the side face toward the forward screw turning direction (clockwise turning in FIG. 1). Are formed with taper surfaces 59a, 59a for passage permission, and contact restricting surfaces 59b, 59b for passage restriction are formed on the side surface in the reverse screw-turning direction (counterclockwise in FIG. 1) on the opposite side. . The passage-permitting tapered surfaces 59a, 59a are formed in an inclined surface shape that inclines in the direction of turning backward (turning counterclockwise in FIG. 1) toward the end. On the other hand, the passage restricting contact surfaces 59b and 59b are formed in a planar shape along the radial direction of the lock screw 50 without being inclined toward the end. In addition, on the outer peripheral surfaces of the locking end portions 58, 58, the lock screw 50 is advanced with respect to the screw receiving box 60 when the lock screw 50 is rotated clockwise, similar to the male screw portion 53 described above. A screw thread is formed.

Next, the screw receiving box 60 will be described.
The screw receiving box 60 has a box shape so that when the lock screw 50 is screwed in as shown in FIG. 1 and FIG. 4, the inside of the box is closed so that entry from the outside is impossible. Is formed. The screw receiving box 60 is a member corresponding to the screw receiving box according to the present invention. The screw receiving box 60 includes a box body 61 that is integrally formed with the case body 20 and a lid-like member 65 that is assembled to the box body 61 so as to close the opening 62 of the box body 61. . The box body 61 is formed integrally with the case body 20 as a part of the screw storage portion 25 formed integrally with the case body 20 on the front side of the case body 20 in the figure.
That is, the screw storage portion 25 is formed so that a portion from the illustrated intermediate portion of the front side surface of the case main body 20 to the right end of the drawing extends forward, and is suitable for storing the lock screw 50 described above. It is formed with a large size. As shown in FIG. 2, the screw storage portion 25 is formed by integrally connecting the engagement hook storage portion 26, the box body 61, and the operation protection cover portion 27 along the screw insertion direction of the lock screw 50. It is formed side by side.

As shown in FIG. 2 and the like, the engagement hook accommodating portion 26 is a portion that accommodates an engagement hook portion 32 (32a, 32b) provided on the cover body 30 that is slidably assembled to the case body 20. , And is formed so as to be continuous with the substrate housing portion 21.
As shown in FIG. 2 and the like, the box body 61 is formed adjacent to the right side of the engagement hook accommodating portion 26 in the figure, and is formed in a substantially box shape with the upper side of the figure and the left and right sides of the figure opened. ing. A rectangular opening 62 is formed on the upper side of the box body 61 in the figure. The opening 62 is closed when a lid-like member 65 described below is assembled. Further, when the lid member 65 is assembled to the box body 61 on both the front and rear sides in the vicinity of the edge of the opening portion 62 of the box body 61, the latching male portions 68 and 68 of the lid member 65 are hooked. Stop female portions 64, 64 are formed. As shown in FIG. 6, screw insertion openings 63 and 63 are formed on the left and right sides of the box main body 61 in the shape of a circle that only allows the lock screw 50 to be inserted. That is, the lock screw 50 inserted through the screw insertion openings 63 and 63 is restricted from moving upward in the drawing by the screw insertion openings 63 and 63.
The operation protection cover portion 27 is formed adjacent to the right side of the box main body 61 in the figure, and the male screw portion 53 of the lock screw 50 in the screwed state is not grasped by any tool and turned without permission. As described above, the lock screw 50 is provided to protect the periphery of the male screw portion 53. For this reason, this operation protection cover part 27 is formed with surrounding walls 27 a and 27 b so as to protect the male screw part 53 exposed to the outside of the lock screw 50. As will be described later, the operation protection cover portion 27 (27a, 27b) is formed so as to be cut out from the case main body 20 using a dedicated tool such as a nipper.

The lid member 65 is assembled to the box body 61 so as to close the opening 62 of the box body 61 as shown in FIG. The lid-like member 65 is formed in a substantially U shape in a side view, and generally includes a lid body 66, screw insertion holes 67 and 67, and latching male portions 68 and 68.
The lid body 66 is formed in a substantially flat plate shape so as to close the opening 62 of the box body 61 when the lid member 65 is assembled to the box body 61. As shown in FIG. 6, the lid main body 66 has screw insertion holes 67 and 67 extending in the crossing direction of the flat plate on both the left and right sides in the drawing, and latching male portions 68 and 68 are formed on both the front and rear sides in the drawing. .
The screw insertion holes 67 and 67 are located adjacent to the screw insertion openings 63 and 63 of the box body 61 when the lid-like member 65 is assembled to the box body 61, and the lock screw 50 is screwed. Formed to be put in. Specifically, the screw insertion holes 67 and 67 are formed so as to open in a circular shape that only allows the lock screw 50 to be inserted, similarly to the screw insertion openings 63 and 63. Further, a female screw shape that is connected to a female screw portion 70 (71, 75) described below so that the male screw portion 53 of the lock screw 50 is screwed to the inner peripheral surfaces of the screw insertion holes 67, 67. Is formed. For this reason, when the lock screw 50 is screwed into the screw insertion holes 67 and 67 in a state where the lid member 65 is assembled to the box body 61, the lid member 65 is locked by the case body 20. It will be supported by the screw 50. Specifically, the lock screw 50 is restricted from moving upward in the figure by the screw insertion openings 63 and 63 inserted, and the lid-like member 65 is also shown in the upper part of the figure by the lock screw 50 thus restricted in movement. Movement will be restricted. That is, the lid-like member 65 functions as a so-called “saddle structure” through the lock screw 50 inserted through the screw insertion openings 63, 63, and is securely assembled to the box body 61 (case body 20). It is done.
The latching male portions 68 and 68 are formed in a hook shape as shown in the figure, and are hooked on the latching female portions 64 and 64 of the box body 61 when the lid-like member 65 is assembled to the box body 61.

Next, the female screw portion 70 (71, 75) formed in the box of the screw receiving box 60 corresponding to the male screw portion 53 formed in the lock screw 50 as described above will be described.
In the box of the screw receiving box 60, female screw portions 70 (71, 75) corresponding to the male screw portion 53 formed in the lock screw 50 are formed. That is, as shown in FIGS. 6 and 7, the first female screw portion 71 is provided on the lower inner surface of the box body 61 in the box of the screw receiving box 60, and the upper side of the lid-like member 65. A second female screw portion 75 is provided on the inner surface. The first female screw portion 71 and the second female screw portion 75 are provided so as to face each other when the lid-like member 65 is assembled to the box body 61.
Here, the female screw portion 70 is formed in an integrated state fixed to the female screw portion 70 (71, 75), and the hook portion 57 abuts on the claw portion 57 when the lock screw 50 is turned. 72, 76 are provided. Specifically, the first female screw portion 71 and the second female screw portion 75 are formed with the cache portions 72 and 76. That is, as shown in FIG. 7, the caulking portions 72 and 76 of the first female screw portion 71 and the second female screw portion 75 are locked when the lock screw 50 is rotated forward (clockwise in FIG. 7). The portions where the 50 passage permission taper surfaces 59a and 59a abut are formed in an inclined surface shape so as to come into surface contact with the inclined surface shape of the passage permission taper surfaces 59a and 59a. Further, the caulking portions 72 and 76 of the first female screw portion 71 and the second female screw portion 75 come into contact with the lock screw 50 for restricting passage when the lock screw 50 is rotated backward (clockwise in FIG. 7). The surface contacted by the surfaces 59b and 59b is formed in a planar shape along the radial direction of the lock screw 50 so as to come into surface contact corresponding to the planar shape of the passage restricting contact surfaces 59b and 59b.
In other words, when the claw portion 57 and the cache portions 72 and 76 are configured in this way, the lock screw 50 is rotated clockwise and the claw portion 57 is brought into contact with the cache portions 72 and 76. In this case, the claw portion 57 moves so as to be elastically submerged with respect to the burrs 72 and 76, gets over the burrs 72 and 76, and permits the forward screw rotation of the lock screw 50. On the other hand, when the lock screw 50 is turned counterclockwise and the claw portion 57 is brought into contact with the burrs 72 and 76, the claw portion 57 is brought into contact with the burrs 72 and 76. The protruding state that remains as it is is maintained, and the backward screwing of the lock screw 50 is restricted.

According to the gaming machine substrate case 10 configured as described above, the following operational effects can be achieved.
That is, according to this gaming machine substrate case 10, the lock mechanism 40 that holds the assembled state of the cover body 30 with respect to the case body 20 includes the lock screw 50 and the screw receiving box 60, and at least the middle of the lock screw 50. The male screw portion 53 formed in the range and the female screw portion 70 formed in the box of the screw receiving box 60 restrict the backward screwing of the lock screw 50 in the box of the screw receiving box 60 in the closed state. To do. As a result, the structure for disabling the screw screwing in the loosening direction of the lock screw 50 can be provided inside the closed box that is not exposed to the outside. Even if a person who wants to do so tries to turn the screw in the loosening direction, the part where the male screw portion 53 and the female screw portion 70 are screwed can be prevented from being put on the hand, and the crime prevention performance against illegal acts can be further improved. Can be increased.

FIG. 8 is a perspective view showing the lock screw 50 in the first stage engaged state. FIG. 9 is a perspective view showing the lock screw 50 in the second stage engaged state. FIG. 10 is a cross-sectional view showing a cross-sectional view of the lock screw 50 in the second stage engaged state shown in FIG. 9.
That is, the cover body 30 is moved and brought into contact with the case main body 20 from the upper side to the lower side in the drawing, and from the rear side to the front side in the drawing as changed from FIG. 3 to FIG. It can be assembled to the case main body 20 by sliding it. Here, the first engagement hook portion 32a in the state in which the engagement end portion 52 is engaged (first state of engagement, see FIG. 6) is removed from the cover body 30 so as to change from FIG. 8 to FIG. By being cut off, the engagement of the engagement end portion 52 with respect to the first engagement hook portion 32a is released. If it does so, holding | maintenance of the assembly | attachment state of the cover body 30 with respect to the case main body 20 will be cancelled | released, and the administrator can open the board case 10 for game machines in order to confirm the inside of the board case 10 for game machines. The first engagement hook portion 32a and the operation protection cover portion 27 are cut off from the cover body 30 and the case main body 20, whereby the lock screw 50 can be newly rotated forward. On the other hand, as shown in FIG. 9 and FIG. 10, when the lock screw 50 is newly turned fully forward by the new advance screw turning of the lock screw 50, the engagement end portion 52 of the lock screw 50 is engaged. Engages with the next new second engagement hook part 32b (second stage engagement state). If it does so, the assembly | attachment state of the cover body 30 with respect to the case main body 20 will be newly hold | maintained, and the administrator can close the board case 10 for gaming machines after confirming the inside again. Therefore, according to the gaming machine substrate case 10, the administrator can easily open and close the gaming machine substrate case 10 twice to confirm the inside.
Further, according to this gaming machine substrate case 10, the case main body 20, the cover body 30, and the lock mechanism 40 are formed of synthetic resin, so when discarding the gaming machine substrate case 10, Since it can be recycled after dissolution treatment, it is advantageous from the viewpoint of recyclability.

Further, according to this gaming machine substrate case 10, as shown in FIG. 7, when the lock screw 50 is rotated forward, the claw portion 57 that is in contact with the cache portions 72, 76 is the cache portion 72. , 76 moves so as to be elastically submerged and overcomes the cache parts 72, 76, and permits the forward screw rotation of the lock screw 50. On the other hand, when the lock screw 50 is turned backward, the claw portion 57 that is in contact with the cache portions 72 and 76 maintains a protruding state that remains in contact with the cache portions 72 and 76. Therefore, the backward screwing of the lock screw 50 is restricted.
As a result, the lock screw 50 can be screwed forward so as to engage the engagement end portion 52 disposed on the distal end side with the engagement hook portion 32 (32a, 32b) of the cover body 30. In order to release this engagement, the reverse screw cannot be turned. Accordingly, once the lock screw 50 is fastened, it cannot be screwed in the loosening direction, and at least the sealed portion must be destroyed to open the gaming machine substrate case 10. Accordingly, the administrator can immediately determine that there has been an illegal act from the trace of opening the board case 10 for gaming machines.
Further, according to this gaming machine substrate case 10, the claw portion 57 is formed in an integrated state so as to be swingable with respect to the male screw portion 53, and the caulking portions 72, 76 are formed on the female screw portions 71, 75. The claw portion 57 can be manufactured by integral molding of the male screw portion 53, and the hook portions 72, 76 can be manufactured by integral molding of the female screw portions 71, 75. This is advantageous.

Further, according to the gaming machine substrate case 10, only one set of the lock mechanism 40 is provided along the longitudinal side portion of the case body 20, so that the lock screw 50 and the screw receiving box 60 described above are provided. The length in the forward and backward direction can be maximized. As a result, the male screw portion 53 formed in at least the intermediate range of the lock screw 50 and the female screw portion 70 formed in the box of the screw receiving box 60 can be designed to be longest. The function as the mechanism 40 can be exhibited more effectively.
According to the board case 10 for gaming machines, when the lock screw 50 is rotated backward, the lock screw 50 is regulated by the male screw portion 53 and the female screw portion 70 (71, 75). Since the neck portion 51a is bent so that the connection to the male screw portion 53 is released, the operation portion main body 51b formed integrally with the neck portion 51a is also detached from the male screw portion 53, and the lock screw Even if it is going to rotate 50 backward screws, it becomes impossible to rotate backward screws. As a result, even if a person who intends to perform a fraudulent action tries to turn the lock screw 50 in the loosening direction, the operation unit 51 is detached and cannot be turned, which prevents crimes. Can be increased.

Note that the gaming machine substrate case according to the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the scope of the present invention.
For example, in the gaming machine substrate case 10 in the above-described embodiment, the case main body 20, the cover body 30, and the lock mechanism 40 are made of, for example, only polycarbonate excellent in durability, impact resistance, and the like. However, the board case for gaming machines according to the present invention is not limited to this, and an appropriate synthetic resin may be selected.
In addition, the engagement hook portions 32 (32a, 32b) in the gaming machine substrate case 10 in the above-described embodiment are integrally formed in the cover body 30 so that two are arranged in the forward direction of the lock screw 50. It was provided as such. However, the engagement hook portion of the board case for gaming machines according to the present invention is not limited to this, and is provided so that an appropriate number is arranged in the forward direction of the screw member (lock screw 50). It may be. Moreover, as a structure by which an engagement hook part is cut off from a cover body, it is not based on an above-mentioned tool, For example, the structure cut off by hand may be sufficient.
Further, the two claw portions 57, 57 in the gaming machine substrate case 10 in the above-described embodiment are configured to be easily elastically deformable so as to be swingable only when the lock screw 50 is rotated forward. there were. However, the pawl portion of the board case for gaming machines according to the present invention is not limited to this, and is elastic with respect to the caulking portion only when the screw member is rotated forward and brought into contact with the caulking portion. The screw member is allowed to move forward so that the screw member can be moved forward, and the screw member is allowed to move forward. If the protruding state that remains in contact with the portion is maintained and the backward rotation of the screw member is restricted, an appropriate mode such as disposing a claw portion via an elastic member is used. Can be adopted.
Further, the two claw portions 57, 57 in the gaming machine substrate case 10 in the above-described embodiment are provided with respect to the male screw portion 53, and the cache portions 72, 76 are the female screw portions 71, 75. Was provided. However, the claw portion and the hook portion of the board case for gaming machines according to the present invention are not limited to this, for example, the claw portion is provided with respect to the female screw portion, and the cache portion is the male screw portion. May be provided.
Further, only one set of the lock mechanism 40 in the gaming machine substrate case 10 in the above-described embodiment is provided along the longitudinal side portion of the case body 20. However, the locking mechanism in the board case for gaming machines according to the present invention is not limited to this, and for example, one set may be provided along the side portion in the short side direction. It may be provided along. Further, the locking mechanism 40 provided in the gaming machine substrate case 10 is not limited to one set with respect to the gaming machine substrate case 10, and may be provided in a plurality of sets such as two sets or three sets.
Further, the neck portion 51a of the gaming machine substrate case 10 in the above-described embodiment is broken so as to be bent sharply against stress that resists rotation as compared with the male screw portion 53 and the operation portion main body 51b. It was formed so as to be easy. However, the neck portion in the board case for gaming machines according to the present invention is not limited to this, for example, when the screw member is rotated backward, such as being connected to the male screw portion by a “reverse screw structure”, An appropriate configuration can be selected as long as the connection to the male screw portion is released under the restriction of the reverse screw rotation of the screw member.
Further, the operation portion main body 51b of the gaming machine substrate case 10 in the above-described embodiment has a knob shape on the proximal end side of the neck portion 51a and is integrally formed with the neck portion 51a. However, the operation unit body in the gaming machine substrate case according to the present invention is not limited to this, and is configured to be operated using a driver tool such as a plus driver or a minus driver. It is also possible to select an appropriate configuration.
Also, the cover body 30 in the gaming machine substrate case 10 according to the above-described embodiment moves and abuts from the upper side to the lower side as shown in FIG. 3, and changes from FIG. 3 to FIG. In this way, it is assembled to the case body 20 by sliding it from the rear side in the figure toward the front side in the figure. However, the assembly of the cover body 30 to the case main body 20 is not limited to this, and for example, the cover body 30 may be assembled by being slid in a direction different from the above-described embodiment. That is, the fitting hole 22 and the fitting portion 31 corresponding to the fitting hole 22 can be arranged by selecting an appropriate position direction with respect to the case main body 20 and the cover body 30, and this fitting structure (fitting The cover body 30 may be assembled to the case body 20 in accordance with the fitting structure of the hole 22 and the fitting portion 31. Note that the lock mechanism including the engagement hook portion at this time is provided to the board case for the gaming machine so as to maintain the assembled state of the cover body with respect to the case main body established by this fitting. .
Further, as shown in FIG. 2, the lid-like member 65 of the screw receiving box 60 in the gaming machine substrate case 10 in the above-described embodiment is illustrated from the upper side of the figure with respect to the box body 61 having the upper side of the figure opened. It was assembled to the bottom. However, as an assembling direction of the lid-like member 65 with respect to the box body 61 formed integrally with the case body 20, for example, it is assembled from the front side to the rear side in the figure with respect to the box body 61 having the front side opened in the figure. It may be. Further, the female screw portion formed in the box of the screw receiving box 60 may be formed in accordance with this, and is not limited to the above example, and is appropriately formed in the box. Anything is acceptable.

DESCRIPTION OF SYMBOLS 10 Board | substrate case for gaming machines 20 Case main body 21 Substrate accommodating part 22 Fitting hole 25 Screw accommodating part 26 Engaging hook accommodating part 27 Operation protection cover part 27a, 27b Enclosure wall 30 Cover body 31 Fitting part 32a (32) 1st Engagement hook portion 32b (32) Second engagement hook portion 40 Lock mechanism 50 Lock screw (screw member)
51 Operation part 51a Neck part 51b Operation part main body 52 Engagement end part 53 Male screw part 55 Claw mechanism 56 Through hole 56a Opening part 56b Inner wall surface 57 Claw part 58 Locking end part 59a Pass permission taper surface 59b Pass restriction contact Surface 60 Screw receiving box (screw receiving box)
61 Box body 62 Opening part 63 Screw insertion opening 64 Female hook part 65 Lid member 66 Lid body 67 Screw insertion hole 68 Male hook part 70 Female screw part 71 First female screw part 75 Second female screw part 72, 76 Kaeshi

Claims (6)

A board case for a gaming machine that contains a control board for controlling a gaming machine such as a pachinko gaming machine or a pachislot gaming machine, and is installed inside the gaming machine,
A case body provided with a substrate housing portion for housing the control board; a cover body assembled to the case body in a state where the control board is housed in the substrate housing portion; and a sealing structure; A lock mechanism for holding the assembled state of the cover body,
The locking mechanism includes a screw member in which a male screw portion is formed at least in an intermediate range and supported on the case body side, and a screw receiving box in which a female screw portion corresponding to the male screw portion is formed in the box. An engagement hook portion provided integrally with the cover body,
The screw member is provided with an operation portion for screwing the screw member on a proximal end side, and is engaged with the engagement hook portion in a full state when the forward screw is rotated on the distal end side, and the case body of the cover body An engagement end for holding the assembled state with respect to is provided,
The screw receiving box includes a box main body provided integrally with the case main body, and a lid-like member assembled to the box main body so as to close an opening portion of the box main body.
The male screw portion formed in at least an intermediate range of the screw member and the female screw portion formed in the box of the screw receiving box permit only forward screw rotation of the screw member, and the screw A board case for a gaming machine, wherein the board case is configured to restrict the backward screwing of a member. In the gaming machine substrate case according to claim 1,
The case body, the cover body, and the lock mechanism are formed of synthetic resin,
A plurality of the engaging hook portions are arranged in the forward direction of the screw member and are provided so as to be cut off from the cover body,
The engagement hook portion in a state in which the engagement end portion is engaged is cut off from the cover body, thereby releasing the engagement of the engagement end portion to set the cover body to the case body. The holding of the attached state is released, and a new forward screw turning of the screw member is enabled.
The engagement end portion of the screw member is a new engagement hook that is arranged in a plurality when the screw member is newly rotated forward by a new advance screw turning of the screw member. A board case for a gaming machine, wherein the cover body is newly held by being engaged with a portion and assembled to the case body. In the gaming machine substrate case according to claim 1 or claim 2,
Either one of the male screw portion or the female screw portion is provided with a claw portion protruding from the screw thread,
On the other of the male screw part and the female screw part, there is provided a cache part with which the claw part comes into contact by turning the screw member.
When the screw member is rotated forward and the claw part is brought into contact with the cache part, the claw part moves so as to be elastically submerged with respect to the cache part and overcomes the cache part. The screw member is allowed to move forward.
When the screw member is rotated backward, the claw portion maintains a protruding state in which the claw portion remains in contact with the cache portion, and the screw member A board case for a gaming machine characterized by restricting the reverse screwing of the game machine. In the gaming machine substrate case according to claim 3,
The claw portion is formed in an integrated state so as to be swingable with respect to the male screw portion,
The board case for a gaming machine, wherein the cache part is formed in an integrated state fixed to the female screw part. In the gaming machine substrate case according to any one of claims 1 to 4,
Only one set of the locking mechanism is provided along a longitudinal side portion of the case main body. In the gaming machine substrate case according to any one of claims 1 to 5,
The operation portion of the screw member is formed integrally with the neck portion having a neck portion whose front end side is integrally connected to a proximal end side of the male screw portion and a knob shape on the proximal end side of the neck portion. An operation unit main body,
When the screw member is rotated backward by the neck, the connection to the male screw portion is released under the restriction of the backward screw rotation of the screw member by the male screw portion and the female screw portion. A gaming machine board case characterized by the above.

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