JPH11276695A - Parts housing box for game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a parts box for game machine constructed so as not to be illegally opened from the outside after the inside is temporarily sealed. SOLUTION: A parts housing box 10 for game machine is provided with a casing main body part 14 for housing the parts of a game machine and a cover 12 for covering the casing main body part 14 so as to shield the housed parts from the outside, and that cover 12 is fixed on the casing main body part 14 by a caulk member 30 fastened in the state penetrating the casing main body part 14 and the cover 12. In this case, the tip part of the caulk member 30 penetrating the casing main body part 14 and the cover 12 is widened outward from that penetrating position so that the state of fixing the cover 12 on the casing main body part 14 can be maintained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component storage box for a game machine used for storing electric components (such as a board) and other components mounted on the game machine, and more particularly, to a sealing means for the component storage box. About.

[0002]

2. Description of the Related Art A ball game machine and other stationary game machines (slot machines, card game machines, etc.) for performing so-called pachinko games installed in a game hall include:
It is equipped with a number of electrical components and delicate parts (such as a prize ball dispensing device in a ball and ball game machine).
Among these components, for example, a circuit board or the like constructed for electrically controlling the operation of various gaming machines is usually provided in a predetermined storage box (housing) from the viewpoint of dustproofness and assembly workability. Is arranged in the gaming machine in a state of being stored in the game machine.

As a serious misconduct with respect to a gaming machine, a box for storing a circuit board (hereinafter referred to as a "board storage box") is opened to replace electric components such as an internal ROM or a board storage box. There is an act of connecting a wiring pattern of a connector attached to a circuit board to another unauthorized board. As a countermeasure for preventing such misconduct, typically, as shown in FIG. 16, a board storage box 100 mounted on a gaming machine (especially a ball-and-ball game machine) includes a housing body 101 and the housing body 101. A screw hole 101a and a screw mounting hole 102a are respectively provided in a part (typically, a peripheral portion) of a cover 102 which covers the housing main body 101 in order to shield a circuit board or the like loaded in the unit 101. At the same time, a one-way screw 106 (that is, a one-way regulating screw) is attached to
01a. That is, one way screw 1
06 is shaped so that it can be easily tightened by a rotating tool (driver or the like) but difficult to engage with the rotating tool in the loosening direction. Loosening and pulling out (pulling out in the opposite direction to the insertion direction; the same applies hereinafter) is made difficult. Further, the housing body 101 and the cover 102
After this is fastened, a plug 104 (typically made of synthetic resin) as shown in FIG. 17 is usually inserted into the screw mounting hole 102a. That is, as shown in FIGS. 16 and 17, the engaging piece 105a at the tip of the insertion portion 105 provided on the plug 104 is disengaged by engaging with a step provided on the inner wall surface of the screw mounting hole 102a in advance. It is mounted in the screw mounting hole 102a in an impossible state. Thereby, the opening of the screw mounting hole 102a is closed by the top plate 107 of the plug 104, and a device is devised so that the rotating tool or the like does not directly touch the head of the one-way screw 106 from the outside (FIG. 16).

[0004]

However, FIG.
It has been difficult to completely prevent improper player's misconduct even by means of sealing the housing body 101 and the cover 102 in the conventional board storage box 100 as shown in FIG. That is, special operations by fraudulent players and / or
Alternatively, the closing plug 104 may be removed or the one-way screw 106 may be loosened or pulled out by processing.

SUMMARY OF THE INVENTION The present invention is to solve the problems associated with the conventional sealing means in a gaming machine component storage box such as the board storage box described above. Once sealed inside (sealed)
It is an object of the present invention to provide a sealing means for sealing a cover and a housing main body that prevents the cover from being illegally reopened from the outside after being performed, and a gaming machine component box sealed by such a sealing means. .

[0006]

According to the present invention, there is provided, in accordance with the present invention, a box for storing components to be mounted on a gaming machine, comprising: a housing body for storing components of the gaming machine; A cover that covers the housing body so as to shield the housed components from the outside, and the cover is a caulking member that is fastened while penetrating the housing body and the cover. Is fixed to the housing body, and the tip of the caulking member penetrating the housing body and the cover is spread outward from the penetrated position. A gaming machine component storage box (hereinafter, referred to as a "first component storage box of the present invention") in which a fixed state of a cover with respect to a part is realized is provided.

In the first component storage box according to the present invention, the caulking member for fixing the cover to the housing main body penetrates the housing main body and the cover (that is, the object to which the caulking member tip is to be fastened). In a state of being opened from the outside), and a penetrating tip portion is extended outward from a position where the penetrating end portion is exposed to the back side. As a result, the outwardly extending distal end portion becomes an obstacle, so that the caulking member can no longer be illegally pulled out from the fastening portion. Thereby, in the first component storage box of the present invention, the housing of the cover fixed to the housing main body so as to shield the component loading portion (ie, the internal space) of the housing main body from the outside. The fixed state with respect to the main body can be maintained. For this reason, according to the first component storage box of the present invention, it is possible to prevent the casing body and the cover from being re-opened due to the loosening and pulling-out of the caulking member, and to prevent the occurrence of illegal acts due to the re-opening. Can be prevented.

The present invention further provides the above-mentioned first component storage box of the present invention, wherein the caulking member is formed of a nut having a hollow portion formed with a female screw. By tightening a fastening member in which a male screw corresponding to the female screw is formed on the portion, the tip portion of the caulking member that has penetrated the housing body and the cover is spread outward from the penetrated position. A gaming machine component storage box (hereinafter, referred to as a "second component storage box of the present invention") is provided.

In the second component storage box according to the present invention, the caulking member has a nut shape having a female screw formed therein and tightens a male screw forming fastener corresponding to the hollow portion (female screw forming portion). Thereby, the outward extension of the penetrating tip portion is realized. For this reason, in the second component storage box of the present invention, the bolt-shaped fastening material, which is typically in the form of a bolt, is inserted through the nut-shaped caulking member hollow portion in a state where the housing body and the cover are penetrated. By tightening in the same direction, the outward extension of the penetrating tip portion of the nut-shaped caulking member is realized by the pressure on the hollow portion based on the tightening torque of the fastening material. That is, in the second component storage box of the present invention, the outward extension of the distal end portion can be easily realized without extremely increasing the rigidity of the caulking member. Therefore, since the second component storage box of the present invention does not need to apply an excessive impact force to the box itself, a housing main body formed of a general ABS resin or other synthetic resin having relatively low rigidity and The present invention can be widely applied to a component storage box including a cover. Then, also with the second component storage box of the present invention, similar to the first component storage box of the present invention, re-opening of the housing main body and the cover based on loosening and pulling out of the nut-shaped caulking member. Can be prevented, and the occurrence of fraudulent acts due to the reopening can be prevented.

According to another aspect of the present invention, there is provided a box for storing a component to be mounted on a gaming machine, comprising: a housing body for storing a component of the gaming machine; A cover that covers the housing body so as to shield from the outside, and the cover includes a fastening screw mounted in a state where the housing body and the cover are penetrated and a tip of the fastening screw. The retaining nut is fixed to the housing body by engagement with the retaining nut disposed on the penetrating side, and the retaining nut is prevented from being pulled out of the fastening screw mounted in the penetrating state. And a part of the tightening screw is engaged with the lock nut member, thereby maintaining the fixed state of the cover with respect to the housing body. That for a game machine parts storage box (hereinafter referred to as the "third parts storage box of the present invention".) To provide.

In the third component storage box according to the present invention, the cover is fixed to the housing body by engagement of the tightening screw and the retaining nut instead of the caulking member, and the retaining nut is provided. The locking nut member prevents the tightening screw in the penetrating state from being pulled out. Thus, in the third component storage box of the present invention, similarly to the above-described first and second component storage boxes of the present invention, the component loading portion of the housing main body portion is shielded from the outside, The fixed state of the cover fixed to the main body to the housing main body can be maintained. Therefore, according to the third component storage box of the present invention,
It is possible to prevent the housing main body and the cover from being re-opened due to the removal of the fastening screw, and to prevent the occurrence of improper behavior due to the re-opening.

The present invention further provides the above-mentioned third component storage box according to the present invention, wherein a shaft portion of the tightening screw has a tip screw portion formed with a male screw and a central portion formed with no screw. And a female screw corresponding to the male screw is formed in the hollow portion of the retaining nut. Here, the fastening screw and the retaining nut have the The locking nut member is configured such that, when completely screwed into the locking nut, the tip screw portion of the tightening screw does not penetrate the hollow portion of the locking nut and does not screw together. Is a gaming machine component storage box provided so as to engage with a part of the center portion of the tightening screw when the tightening screw is completely tightened with respect to the retaining nut. Scan (hereinafter referred to as the "fourth parts storage box of the present invention".) To provide.

[0013] In the fourth component storage box of the present invention, in a state where the cover is fixed to the housing body (that is, a state in which the tightening screw is completely tightened to the retaining nut), The screwing (screw fitting) between the fastening screw and the retaining nut is released, and the leading end protrudes to the opposite side of the retaining nut.
For this reason, in the fourth parts storage box of the present invention, even if the unauthorized player can successfully rotate the tightening screw in the state of being completely tightened to the retaining nut in the loosening direction. Even so, as a result of the fastening screw not being screwed with the retaining nut, the fastening screw only spins idle at that position. Further, at this time, since the fastening screw engages with the locking nut member at the central portion of the fastening screw, the movement of the fastening screw in the pull-out direction can be prevented. Therefore, according to the fourth component storage box of the present invention, the re-opening of the housing body and the cover due to the pulling out of the fastening screw can be more effectively prevented, and the occurrence of impropriety due to the re-opening can be prevented. Can be prevented beforehand.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a component storage box (the first, second, third, and fourth parts) of the present invention provided in a ball game machine (pachinko machine), which is a typical example of a game machine, will be described. A preferred embodiment of the present invention will be described with reference to the drawings. First, one preferred embodiment of the first and second component storage boxes of the present invention will be described. FIG. 1 is a rear view showing a rear surface configuration of a ball game machine 1 equipped with a component storage box 10 of the present invention according to the present embodiment.

The ball game machine 1 according to the present embodiment has a base frame and a metal frame (both not shown) formed in a frame shape on the front surface of a wooden frame 3 formed in a rectangular frame shape. This is a normal type ball game machine 1 in which a game board surface (that is, a game area where nails, windmills, etc. are appropriately arranged) is provided inside. As shown in FIG. 1, a game ball launching device 8 and a mechanism plate 7 are detachably mounted on the back side of the ball game machine 1.
The mechanism plate 7 is provided with various devices necessary for performing a so-called pachinko game, such as a switchboard 4, a prize ball tank 5, and a prize ball payout device 9 connected to an external power supply. Further, below the prize ball payout device 9, the devices mounted on the mechanism plate 7 and the operation of electric components (decorative lamps and the like) (not shown) arranged on the front side of the ball game machine 1 are controlled. The board storage box 11 for storing the frame control device (control circuit board, etc.) is provided. It should be noted that the above-mentioned devices mounted on the mechanism plate 7 may be any devices that can be normally used in a general ball-and-ball game machine, and do not specify the present invention.

On the other hand, a game board 6 is mounted substantially at the center of the mechanism plate 7 from the back side of the ball game machine 1. The game board 6 is for configuring the game board surface of the ball game machine 1 and various game machines (for example, a variable winning device, a symbol display device,
Sound source, decorative lamp, etc.). Thus, on the back surface of the game board 6 (that is, on the back side of the ball game machine 1), the above-mentioned various gaming devices provided on the game board surface are operated based on a predetermined program. A component storage box 10 (hereinafter, referred to as “main substrate storage box 10”) according to the present embodiment that stores a circuit board (not shown) is mounted. Hereinafter, the present board storage box 10 provided in the present ball game machine 1 will be described in detail.

FIG. 2 is a front view showing the outer shape of the board storage box 10 mounted on the back of the game board 6 of the ball game machine 1. FIG. 3 is a cross-sectional view of FIG.
FIG. 3 is a sectional view taken along line III. As is apparent from these drawings, the present substrate storage box 10 is a hollow housing, and its basic skeleton is the above-described conventional general substrate storage box 1.
00 (see FIG. 16). That is, the board storage box 10 is a hollow housing, and the box main body is composed of a housing main body 14 made of translucent or opaque synthetic resin and the cover 12. As shown in FIGS. 2 and 3, the housing main body 14 (that is, the base) is molded in a frame shape, and the circuit board 1
3 and a shield plate for shielding static electricity (not shown) are mounted by screws or other coupling means. The circuit board 13 includes various elements (not shown) and the circuit board 13 and external electric components (typically, devices and frame control devices mounted on the game board 6). Connectors 21 for connection are provided, and constitute a main control unit in the present ball game machine 1. A support shaft 16 is provided at one end (upper side in FIG. 2) of the housing body 14 and is engaged with a hook piece 15 provided on the cover 12 described later. As shown in FIG. 2, a pair of upper and lower locking pins 18 are respectively provided on the left and right side surfaces of the housing main body 14 so as to protrude therefrom. By engaging the locking pins 18 with engaging pieces (not shown) provided on the back side of the game board 6, the board storage box 1
0 is mounted on the ball game machine 1. By the way, cover fixing portions 25 for covering and fixing the cover 12 to be described later on the housing main body portion 14 are provided at two places at the ends of the housing main body portion 14 via connecting pieces 25b (described later). 4). The cover fixing portion 25 will be described later.

Next, the cover 12 of the board storage box 10
Will be described. As shown in FIG. 2, the cover 12 according to the present embodiment covers substantially the entire surface of the housing body 14 and includes one top plate and side walls formed on four sides thereof. It is a lid member made of synthetic resin which is integrally molded. A hook piece 15 is formed at one end of the side wall of the cover 12 so as to be rotatably engaged with the support shaft 16. Thus, as shown in FIG. 3, the cover 12 is pivotally attached to the housing body 14 by engaging the hook pieces 15 with the support shaft 16. As shown in FIG. 1 and FIG.
2 is provided with a board storage box 10
A large number of small-hole-shaped radiating holes 17 for dissipating the heat generated therein to the outside are formed. Thereby, the cover 12
Can be dissipated to the outside without opening the cover 12 without opening the cover 12. The top plate of the cover 12 is provided with stickers 19a and 19b for displaying model names and other information (FIG. 2). By the way, the cover 12 according to the present embodiment includes the cover 1.
Cover fixing portion 25 when cover 2 is placed on housing body 14.
(See FIG. 4 to be described later). The structure of the sealing portion 28 will be described later.

Next, the means for fixing the cover 12 to the housing body 14 which characterizes the present invention will be described in detail. 4 and 5 show the main parts of the board storage box 10 (FIG. 2).
FIG. FIG. 6 is a cross-sectional view schematically showing a fastening state between the cover fixing portion 25 and the sealing portion 28, and FIGS.
(C) and (D) show the cover fixing part 25 and the sealing part 28.
Are continuously shown. As shown in FIG. 2 and FIG. 4, the cover fixing portion 25 provided on the housing body 14 is roughly formed of four same-shaped fastening members formed in the shape of a prism having a circular hollow. Part 25a
And a connecting piece 25b for connecting each of the fastening portions 25a to the side wall of the housing body 14, and an auxiliary connecting piece 25c for connecting the four fastening portions 25a in parallel.
Note that these members constituting the cover fixing portion 25 can be integrally formed from the same synthetic resin as the housing body 14 itself. On the other hand, as shown in FIGS. 2 and 4, the sealing portion 28 provided on the cover 12 is roughly formed of four identically shaped screw mounting portions formed in a prismatic shape having a rectangular hollow. 28a and connecting pieces 28b for connecting the screw mounting portions 28a to the side wall portions of the cover 12, respectively.
Note that these members constituting the sealing portion 28 are provided on the cover 12.
It can be integrally formed from the same synthetic resin as itself.

Next, the cover fixing portion 25 and the sealing portion 28
The shape of each component described above will be described in detail. As shown in FIG. 6A, the circular hollow formed in the fastening portion 25a of the cover fixing portion 25 provided in the housing main body portion 14 has a fastening material penetrating portion 25d having a small inner diameter and a lower portion thereof. Material penetrating portion 25 continuously formed in
and a fastening material caulking portion 25e having an inner diameter larger than d. Thus, a shielding plate 26 made of a synthetic resin for closing the opening is provided at a lower edge portion of the fastening material caulking portion 25e, that is, at one opening of the fastening portion 25a. Secured by means.
On the other hand, as shown in FIG. 6A, the rectangular hollow provided in the screw mounting portion 28a of the sealing portion 28 provided in the cover 12 has an insertion opening for a caulking member 30 and a caulking screw 35 described later. Material mounting portion 28c corresponding to the portion and the material mounting portion 2 continuously formed therebelow.
And a fastening material penetrating portion 28d having a smaller inner diameter than 8c (here, a circular hollow portion). The inner diameter of the fastening material penetrating portion 28d and the inner diameter of the fastening material penetrating portion 25d in the fastening portion 25a are formed to be substantially the same (the same applies to other embodiments described later). .). In addition, a recess 28e is formed in a part of the inner wall of the fastening member mounting portion 28c, and an engagement piece 38a of a closing plug 37 described later can be fitted and engaged (see FIGS. 5 and 6 described later). (D)).

Next, the caulking member 30 according to the present embodiment
The structure of the caulking screw 35 will be described. FIG.
As shown in FIG. 6A and FIG. 6A, the caulking member 30 according to the present embodiment has a head 30a formed in a large-diameter square shape.
And a shaft portion 30b formed into a cylindrical shape having a smaller diameter than the rivet-like shape, and a cylindrical hollow portion formed with a female screw (not shown) is formed at the center in the axial direction. It is the formed caulking member 30 in the shape of a nut. The caulking member 30 is typically formed of aluminum or another highly ductile metal material,
The shape and outer diameter of Oa is a shape and a size that can be just inserted into the fastening material mounting portion 28c of the screw mounting portion 28a and cannot be inserted into the fastening material penetrating portion 28d (typically, The fastening material mounting part 2
8c). On the other hand, the shape and the outer diameter of the shaft portion 30b are formed in a shape and a size (typically the same size as the fastening material penetrating portion 28d) that can be inserted into the fastening material penetrating portion 28d. As described above, the head 30a of the caulking member 30 according to the present embodiment is formed in a square / prismatic shape, and care is taken to prevent inadvertent rotation at the mounting site. By the way, as shown in FIG. 6A, the tip portion 30c of the shaft portion 30b of the caulking member 30 is formed.
(Hereinafter referred to as “shaft tip 30c”) is formed to be slightly thicker so as to swell inside the hollow, and as a result, the inner diameter of the hollow at the shaft tip 30c is smaller than other portions. I have. The shaft portion 30b of the caulking member 30
Can penetrate through the fastening material penetrating portion 28d of the sealing portion 28 and the fastening material penetrating portion 25d of the cover fixing portion 25, and further, at a position penetrating these portions 28d, 25d, as described later. The length is adjusted so that the distal end portion 30c can spread outward.

In the hollow portion of the caulking member 30, a screw 35 for forming a male screw corresponding to the female screw of the hollow portion is mounted. 4 and 6
As shown in (A), the caulking screw 35 is composed of a large-diameter head portion 35a and a small-diameter shaft portion 35b on which a male screw is formed, like a normal screw or bolt. In addition,
In the present embodiment, the above-mentioned one-way screw shape is used as the caulking screw 35, but the use of the one-way screw is not essential for implementing the present invention. This caulking screw 35 is molded from a general iron material,
The outer diameter of the head 35a is a size that can be just inserted into the fastening material mounting portion 28c of the screw mounting portion 28a and that cannot enter the hollow portion of the caulking member 30.

Next, a method of fixing the cover 12 to the housing body 14 using the caulking member 30 and the caulking screw 35 will be described in detail. As shown in FIG. 6A,
The fastening member in the sealing portion 28 of the cover 12 is formed by inserting the screw 35 for caulking into the hollow portion of the caulking member 30 and screwing the screw (but not screwing to the shaft tip 30c). Insert into the mounting part 28c. At this time, the head 30a of the caulking member 30 having substantially the same size as the inner diameter of the fastening member mounting portion 28c comes into contact with the inner wall portion of the fastening member mounting portion 28c, so that a so-called temporary press-fit state is maintained. As a result, even if the substrate storage box 10 (cover 12) is turned upside down in this state, the caulking member 30 and the caulking screw 35 are attached to the fastening material mounting portion 2.
8c will not fall off.

Next, as shown in FIG. 4 and FIG. 6B, the caulking member 30 and the caulking screw 3 in the temporarily press-fitted state.
5 is pushed further inward by the driver W, and the sealing portion 2
8 and the fastening member penetrating portion 25d of the cover fixing portion 25 are pierced at a stretch. At this time, as described above, the head 30a of the caulking member 30 is
It is not possible to enter the fastening material penetrating portion 28d, and as a result,
The caulking member 30 and the caulking screw at a position where the upper wall surface constituting the fastening material penetrating portion 28d contacts the lower protruding portion of the head portion 30a of the caulking member 30 (ie, the position shown in FIGS. 6B and 4). The pressing of 35 ends. At this position, the screw 35 for swaging is tightened by the driver W as shown in FIG.
Here, as described above, the shaft tip portion 30 of the caulking member 30 is provided.
c has a narrow hollow portion. For this reason, when the caulking screw 35 is further tightened (screwed) and the tip of the caulking screw 35 advances to the relevant portion, the caulking member 30 shaft tip 30c is advanced. It is tightened by the screw 35 and pulled upward, and is spread out by its tip. As a result, the caulking member 30 penetrates the fastening member swaging portion 25e of the cover fixing portion 25 fastening portion 25a and the shaft tip 30c.
Is spread outward from the penetrated position (FIG. 6).
(C) and FIG. 5). Thereby, the caulking member 30
The caulking is completed, and the fixing of the cover 12 to the housing body 14 is completed. 5 and 6 after completion of the caulking.
As shown in (D), the plug 37 is inserted into the fastening member mounting portion 28c, and the caulking screw 35 and the caulking member 3 are inserted.
0 is shielded from the outside. That is, as shown in FIG.
The closing plug 37 has a rectangular top plate 39 and a top plate 3 which are substantially adapted to the shape and size of the fastening member mounting portion 28c.
9 and two insertion portions 38 extending downward. The distal end of the insertion portion 38 forms an outwardly facing beak-shaped engagement piece 38a.
When the closing plug 37 is inserted into the recess 8e, the engaging piece 38a is inserted into the recess 28e and
8e, thereby preventing the plug 37 from accidentally falling off. Further, the upper surface of the top plate portion 39 has a dome-shaped curved surface, thereby preventing wire-like foreign matter, which is used by a fraudulent player, from catching.

As described above, the sealing portion 28 and the cover fixing portion 25 are configured and fastened by the above-described caulking member 30. As a result, even if an unauthorized player removes the blocking plug 37, the caulking screw 35 is loosened. Even if the caulking or removal is successful, the caulking state of the aluminum caulking member 30 (that is, the flared state of the shaft tip portion 30c) is not loosened. In addition, as a result of using the caulking member 30 according to the present invention, typically made of aluminum, the caulking screw 35
The torque value for loosening is higher than the torque value for loosening the conventional screw 106 (see FIG. 16) tightened by the conventional tightening means, and the value is unlikely to decrease even by various illegal processes. Further, a shielding plate 26 is fixed to the opening of the fastening member caulking portion 25e in the cover fixing portion 25 fastening portion 25a, so that the unauthorized player can directly contact the shaft tip portion 30c which spreads outside the caulking member 30. Prevents touching or performing any operation. For this reason, in the present substrate storage box 10, the caulking member 30
This allows the cover 12 to maintain a fixed state with respect to the housing body 14, thereby preventing unauthorized re-opening of the cover 12 and keeping the box 10 in a sealed state (sealed state).

As described above, the board storage box 10 is provided with the sealing portion 28 and the cover fixing portion 25 at a total of two places, and the four screw mounting portions 2 are provided respectively.
8a and a fastening portion 25a are provided (see FIG. 2). However, it is not necessary to use these four screw mounting portions 28a and the fastening portions 25a all at once to fix the cover 12 to the housing main body portion 14. One screw mounting portion 28a and one fastening portion 28a are used at each location. The part 25a may be used. For example, the cover 12 can be fixed to the housing body 14 using only two sets of the screw mounting portions 28a and the fastening portions 25a numbered 1 in FIG. Then, when re-opening becomes necessary for inspection of the internal load or other reasons, the connection pieces 25b and 28b and the auxiliary connection piece 25c are cut with a nipper or a cutter, and the like.
The board storage box 10 can be opened by removing a total of two sets of the screw mounting portions 28a and the fastening portions 25a that are numbered 1 and fastened by the caulking member 30. Then, when sealing is desired again (that is, when the cover 12 is fixed to the housing main body portion 14), in FIG.
The cover 12 can be re-fixed to the housing body 14 using only two sets of the screw mounting portions 28a and the fastening portions 25a numbered (see FIGS. 4 and 5). There.) The board storage box 10 is provided with two sets of screw mounting portions 28a and fastening portions 2
5A, the remaining three sets of screw mounting portions 28a are preliminarily attached to the caulking members 3 as shown in FIG.
0 and the caulking screw 35 may be mounted in a temporarily press-fitted state (see FIG. 2). Further, a spare closing plug 37 to be mounted on the fastening material mounting portion 28c of the remaining three sets (six in total) of the screw mounting portions 28a is provided by the holding member 40 screwed to the back surface of the top plate portion of the cover 12. It is attached to the tip of a plurality of holding arms 40a extending in all directions. This eliminates the need to separately supply the plug 37 at the time of resealing operation after reopening. Therefore, when the resealing (fixing) operation is performed after the cover 12 is opened, the necessary number of plugs 37 may be removed from the holding arm 40a and used, which is convenient.

Although the preferred embodiments of the first and second component storage boxes of the present invention have been described above, in the practice of the present invention, the caulking member 30 and the caulking member 30 will be described.
The fastening material (in this case, the screw 35 for caulking) for expanding the tip portion of the outer side is not limited to the above-described embodiment. next,
Another preferred form of the caulking member according to the present invention and a fastening material capable of expanding the distal end portion of the caulking member outward are shown in FIGS.
This will be described with reference to FIG. The external shape of the component storage box 50 according to the present embodiment also includes a housing main body 54 and a cover 52 similar to those of the above-described board storage box 10, and electric components such as a circuit board 53 are contained therein. It is loaded. Thus, the housing body 54 and the cover 52
A cover fixing portion 55 and a sealing portion 58 are formed at the ends of the connecting pieces 55 in the same manner as in the above embodiment.
b, 58b, the fastening portion 55a and the screw mounting portion 58
a is provided. As shown in FIG. 8, similarly to the above embodiment, the fastening portion 55a and the screw attaching portion 58 are provided.
a has a circular hollow-shaped fastening material penetrating portion 55d.
And a fastening material caulking portion 55e, a rectangular hollow fastening material mounting portion 58c, and a circular hollow fastening material penetrating portion 58d.

Next, the caulking member 60 and the caulking screw 65 according to the present embodiment will be described. As shown in FIG. 8, the caulking member 60 according to the present embodiment has a general rivet-like outer shape including a large-diameter head portion 60a and a smaller-diameter shaft portion 60b, and its axial direction. Is a nut-shaped caulking member 60 having a cylindrical hollow portion formed at the center. The caulking member 60 is typically formed of aluminum or other highly ductile metal material, and the head 60a has a shape (preferably a square shape for preventing rotation) and an outer diameter of the screw 60. The shape and size are such that they can be inserted into the fastening material mounting portion 58c of the attachment portion 58a and cannot enter the fastening material penetrating portion 58d. On the other hand, the shaft 6
Although the shape and the outer diameter of Ob are formed in a shape and a size that can be just inserted into the fastening material penetrating portion 58d, in the present embodiment, the inner diameter of the shaft portion 60b differs depending on the portion. That is, as shown in FIG. 8, the tip side of the shaft portion 60b (hereinafter, referred to as "shaft tip portion 60d").
Is formed so that the inner diameter is smaller than the root side of the shaft portion 60b (hereinafter, referred to as “the shaft main portion 60c”). The shaft tip 60d has a caulking screw 6 to be described later.
A female screw corresponding to the male screw of No. 5 is formed. In addition,
No screw is formed in the shaft base 60c. The length of the shaft portion 60b of the caulking member 60 can pass through the fastening member penetrating portion 58d of the screw mounting portion 58a and the fastening material penetrating portion 55d of the fastening portion 55a.
At a position penetrating through 8d and 55d, it is necessary that the shaft tip 60d be long enough to spread outward as described later.

The caulking screw 65 according to the present embodiment is mounted in the hollow portion of the caulking member 60. That is, as shown in FIG. 9, the caulking screw 65 is composed of a large-diameter head 65a and a small-diameter shaft 65b, like ordinary screws and bolts. Thus, a male screw corresponding to the female screw of the shaft tip portion 60d is formed only at the tip portion of the shaft portion 65b (hereinafter, this portion is referred to as "male screw forming portion 65c"). The caulking screw 65 is formed of a general iron material, and the outer diameter of the head 65a is a size that can be inserted into the fastening material mounting portion 58c of the screw mounting portion 58a. It is formed in a size that cannot fit in the part. Further, the length of the shaft portion 65b is such that when the head portion 65a contacts the head portion 60a of the caulking member 60, the male screw forming portion 65c is still screwed with the shaft tip portion 60d of the caulking member 60. It is important that the setting is long.

Next, a method of fixing the cover 52 to the housing body 54 according to the present embodiment using the caulking member 60 and the caulking screw 65 will be described in detail. As shown in FIG. 8, first, the caulking member 60 is pushed into the screw mounting portion 58 a of the cover 52 sealing portion 58 to the back of the fastening material mounting portion 58 c, and the screw mounting portion 58 a of the sealing portion 58 is pressed.
Of the fastening material penetrating portion 58d and the fastening material penetrating portion 55d of the fastening portion 55a of the cover fixing portion 55. At this time, the head portion 60a of the caulking member 60 cannot enter the screw attachment portion 58a and the fastening material penetrating portion 58d. As a result, the upper wall surface of the fastening material penetrating portion 58d has a protruding portion of the caulking member 60 head portion 60a. The pushing of the caulking member 60 ends at the position where it contacts the lower part. At this time, the so-called temporary press-fit state is maintained by the shaft portion 60b of the caulking member 60 having substantially the same size as the inner diameter of the fastening material penetrating portion 58d contacting the inner wall portion of the fastening material penetrating portion 58d. The caulking member 60 does not fall off from the opening of the fastening member mounting portion 58c.

Next, as shown in FIG. 9, a screw 65 for caulking is tightened into a hollow portion of the caulking member 60 by a driver. And even if the head 65a of the caulking screw 65 contacts the head of the caulking member 60, the tightening is continued. Then, as shown in FIG.
The shaft tip 60 of the caulking member 60 that has yielded to the tightening force of No. 5
At d, bending occurs so as to be lifted upward (that is, in the direction of the screw mounting portion 58a). Thus, as a result of continuing the tightening, the shaft tip 60d of the caulking member 60 finally comes into contact as shown in FIG.
At the fastening material caulking portion 55e of 5a, it is bent outward from the penetrating position. Thus, the caulking of the caulking member 60 is completed, and the fixing of the cover 52 to the housing body 54 is completed. As a result, as in the case of the board storage box 10 according to the above-described embodiment, even if the unauthorized player succeeds in loosening or pulling out the screw 65 for caulking, typically, the caulking made of aluminum is performed. The crimped state of the member 60 (that is, the shaft tip 6
0d) is not relaxed. Further, similarly to the above-described embodiment, the cover fixing portion 55 fastening portion 5
A shielding plate 56 is fixed to the opening of the fastening material caulking portion 55e in 5a, so that the unauthorized player can
This prevents the user from directly touching the shaft distal end portion 60d spreading outside and performing some operation. For this reason, the cover 52 is also provided by the substrate storage box 50 according to the present embodiment.
Of the box 50 can be prevented, and the sealed state (sealed state) inside the box 50 can be maintained.

Next, a preferred embodiment of the third and fourth component storage boxes of the present invention will be described with reference to the drawings. In this embodiment, a sealing portion 7 described later is used.
Since the configurations other than those relating to 8 and the cover fixing portion 75 are the same as those in the above-described embodiment, FIGS. 12 to 15 described below show only the main portions of the sealing portion and the cover fixing portion described below. I have. The external shape of the component storage box according to the present embodiment also includes a housing main body and a cover similar to the above-described substrate storage box 10, and an electric component such as a circuit board is loaded therein. . Thus, as shown in FIG. 13, a cover fixing portion 75 similar to that of the above-described embodiment is provided at the ends of the housing body and the cover (not shown).
And the sealing portion 78 are formed, and the connecting pieces 75b, 78
A fastening portion 75a and a screw mounting portion 78a are provided via b. As shown in FIG. 13, similarly to the above embodiment, the fastening portion 75a and the screw mounting portion 78a are respectively provided with a circular hollow fastening material penetrating portion 75d and a square hollow fastening material caulking. A portion 75e, a circular hollow fastening material mounting portion 78c, and a circular hollow fastening material penetrating portion 78d are formed. As shown in FIG. 13, in this embodiment, the bottom surface of the screw mounting portion 78a protrudes in a convex shape, and the upper surface of the corresponding fastening portion 75a is concave in a concave shape. Therefore, by fitting these irregularities, the positioning between the cover fixing portion 75 and the sealing portion 78 becomes easy.

Next, the fastening screw 85 according to the present embodiment will be described.
And the retaining nut 80 will be described. First, the fastening screw 85 will be described. As shown in FIG.
The tightening screw 85 according to the present embodiment includes a large-diameter inverted conical head 85a and a shaft 85b having a smaller diameter. The shaft portion 85b further includes a base portion 85c having no screw formed near the head portion 85a, a tip portion 85f formed with a male screw, the base portion 85c and the tip portion 85c.
f and an intermediate portion 85e having a slightly smaller diameter formed between the intermediate portion 85e and the intermediate portion 85e. That is, in the present embodiment, the central portion of the fourth component storage box of the present invention includes a main portion 85c and an intermediate portion 85e. In addition, a concave portion 85d is formed in a desired portion of the base portion 85c over the entire circumference (FIG. 13). In addition, as for the size (diameter) of each part, the main part 85c is the thickest,
The tip portion 85f, the middle portion 85e, and the concave portion 85d become thinner in this order. The intermediate portion 85e is formed so as to be longer than a thread forming portion 81b of the boss 81 described later.

The retaining nut 80 according to the present embodiment
As shown in FIG. 13, the boss 81 includes a boss 81 fitted in the fastening member caulking portion 75e of the fastening portion 75a, and a locking nut member 82 sandwiched between the boss 81 and the fastening portion 75a. Have been. As shown in FIG. 12, the locking nut member 82 is formed in the shape of a thin rectangular plate having a size just enough to be accommodated in the fastening member caulking portion 75e, and a tightening screw 85 is normally passed through the center thereof. A relatively small through-hole 82a is formed to such an extent that it cannot be obtained. Thus, a locking piece 82b that is slightly bent is formed on one surface by providing a slit around it. As a result, as described later, the fastening screw 85 can irreversibly pass through the through hole 82a only when strongly pressed in the bending direction.

On the other hand, the boss 81 constituting the retaining nut 80 is a prism-shaped member having a size such that a part thereof can be just fitted into the fastening member caulking portion 75e. A hollow portion for penetrating the shaft portion 85b of the tightening screw 85 is formed. As shown in FIG. 13, this hollow portion is composed of three portions having different inner diameters. That is, in order from the top in FIG.
The distal end portion 85f and the intermediate portion 85 of the tightening screw 85
e can pass through, but the trunk portion 85c cannot enter. A locking portion 81a in which a female screw corresponding to a male screw is formed at the distal end portion 85f, and a distal end portion 85f of a tightening screw 85 penetrating the screw forming portion 81b.
The non-contact portion 81c has a large inner diameter such that the non-contact portion 81c cannot contact with the non-contact portion. The opening below the non-contact portion 81c may be left open, or may be shielded by a shield plate as in the above embodiment.

Next, a method of fixing the cover to the housing body in the component storage box according to the present embodiment using the above-mentioned tightening screw 85 and retaining nut 80 will be described in detail. As shown in FIG. 13, first, a retaining nut 80 is press-fitted into a fastening member caulking portion 75e of a cover fixing portion 75 fastening portion 75a. That is, a part of the boss 81 is fitted to the fastening material caulking portion 75e so as to sandwich the locking nut member. At this time, it is important that the locking nut member 82 is sandwiched so that the tightening direction of the tightening screw and the bending direction of the locking piece 82b of the locking nut member 82 are synchronized. Next, as shown in FIG. 13, the tightening screw 85 inserted from the tightening member mounting portion 78c of the sealing portion 78 screw mounting portion 78a is pushed in as it is, and as shown in FIG. 81 and the screw forming portion 81b,
Tighten as it is. At this time, the boss 81 is lifted upward by the screwing of the distal end portion 85f of the tightening screw 85 and the boss 81 screw forming portion 81b, and the boss 81 is strongly pushed by the fastening material caulking portion 75e by the fastening force. It will be press-fitted. At the same time, by utilizing the fastening force, the shaft portion 85b of the fastening screw 85 can pass through the locking nut member 82 through hole 82a so as to push the locking piece 82b. As shown in FIG. 15, the screwing of the distal end of the tightening screw 85 and the thread forming portion 81b of the boss 81 is completed, and the distal end 85f of the tightening screw 85 reaches the non-contact portion 81c. At this time, the locking piece 82b of the locking nut member 82 is fitted into the recess 85d of the tightening screw 85.

As a result of such a configuration, the tightening screw 85 can no longer be pulled out. That is, when the tightening screw 85 is to be pulled out in the direction opposite to the insertion direction, the locking nut member 8 inserted into the concave portion 85d is used.
The base portion 8 in which the second locking piece 82b is below the concave portion 82d
5c, and as a result, pulling out of the fastening screw 85 is prevented by the engagement. Further, in the present embodiment, as shown in FIG. 15, after the fastening of the fastening portion 75a and the screw mounting portion 78a is completed, the distal end portion 85f of the fastening screw 85 is no longer screwed to any of them. However, even if the screw 85 is turned in the loosening direction, the screw 85 will only run idle and will not be pulled out. Therefore, the component storage box according to the present embodiment also prevents unauthorized re-opening of the cover and maintains the sealed state (sealed state) inside the box, similarly to the board storage boxes 10 and 50 according to the above-described embodiments. It becomes possible.

Although some preferred embodiments of the component storage box of the present invention have been described with reference to the drawings, the component storage box of the present invention is not limited to the above embodiments. For example, in each of the above-described embodiments as the first or second component storage box of the present invention, the crimping member 3 is a nut-shaped member that forms a female screw in a hollow portion.
However, in the first component storage box of the present invention, the tip portion of the caulking member, which is fastened while penetrating the housing body and the cover, is outward at the penetrating position. It is sufficient that swaging is completed by spreading, and the invention is not limited to the nut-shaped one.
For example, a so-called blind rivet-shaped caulking member having a hollow in which a female screw is not formed penetrates the housing main body and the cover, and in this state, a nail-like fastening material is pushed or pulled into the hollow. In this case, the blind rivet-shaped caulking member may be swaged by extending the penetrating tip end outward. In the above-described embodiment, the cover fixing portions 25 and 55 and the sealing portion 2 are arranged so as to protrude laterally from the housing body and the cover.
8, 58 are provided, but such shapes are merely additional ones intended for reopening for the purpose of internal inspection and the like, and the cover and the housing body are sealed with the above-mentioned caulking member. The part to be performed is not limited at all.

Further, in the above-described embodiment as the third or fourth component storage box of the present invention, as the tightening screw 85, a tip screw portion having a male screw and a central portion having no male screw (that is, a central portion). Although the one having the above-described base portion 85c and the intermediate portion 85e) was used, the fastening screw of the present invention is adapted to engage with the locking nut member provided on the retaining nut member to thereby form the housing body. Any member that can prevent pulling out when the member is mounted in a state penetrating the portion and the cover may be used, and for example, a member in which a male screw is formed in the intermediate portion 85e may be used.
Further, in the above-described embodiment, the boss and the locking nut member that constitute the retaining nut member are formed separately, but the present invention is not limited to this, and the boss and the locking nut member are integrally formed. It may be something. Such a modification is an example of the embodiment of the present invention, and is merely a design matter of a person skilled in the art based on the information disclosed in the present specification and the drawings, and does not depart from the scope of the claims of the present application. .

[0040]

According to the present invention, there is provided a component storage box to be mounted on a game machine, which is not illegally reopened from the outside after the box is once sealed (sealed) from the viewpoint of security. A game machine component box that is sealed (closed) as described above is provided.

That is, in the first and second component storage boxes of the present invention, the caulking member for fixing the cover to the housing body is fastened in a state where the caulking member penetrates the housing body and the cover. As a result, the penetrated distal end portion is extended outward from the position exposed to the rear side through the penetrating portion, so that the outwardly extended distal end portion becomes an obstacle, and the portion that no longer penetrates the caulking member (i.e., Cannot be illegally pulled out from the fastening part). Therefore, according to the first and second component storage boxes of the present invention, it is possible to prevent the casing body and the cover from being reopened due to the loosening and pulling out of the caulking member, and to prevent the illegal act due to the reopening. Generation can be prevented beforehand.

In the third and fourth component storage boxes of the present invention, the cover is fixed to the housing body by engaging the fastening screw and the retaining nut instead of the caulking member. The locking nut member provided on the locking nut member prevents the tightening screw in the penetrating state from being pulled out, and prevents the housing body and the cover from being re-opened due to the pulling out of the tightening screw. . Therefore, according to the third and fourth component storage boxes of the present invention, similarly to the first and second component storage boxes of the present invention, it is possible to prevent improper behavior due to the reopening.

[Brief description of the drawings]

FIG. 1 is a rear view of a ball game machine equipped with a component storage box according to an embodiment of the present invention.

FIG. 2 is a front view showing the component storage box according to the embodiment of the present invention.

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a partially broken perspective view showing a main part of the component storage box according to the embodiment of the present invention.

FIG. 5 is a partially broken perspective view showing a main part of the component storage box according to the embodiment of the present invention.

FIG. 6 is a cross-sectional view for explaining a fastening state of a caulking member in the component storage box according to the embodiment of the present invention;
(A) shows a state where the caulking member is temporarily press-fitted, (B) shows a state where the caulking member is pushed in, (C) shows a state where the caulking member is caulked, and (D) shows a state where the closing plug is attached after the caulking is completed. .

FIG. 7 is a perspective view showing an appearance of a closing plug according to one embodiment.

FIG. 8 is a cross-sectional view illustrating a state where a caulking member is mounted in the component storage box according to the embodiment of the present invention.

FIG. 9 is a cross-sectional view illustrating a state in which a fastening member is fastened to the caulking member in the component storage box according to the embodiment of the present invention.

FIG. 10 is a cross-sectional view illustrating a state in which a fastening member is tightened in a caulking member in the component storage box according to the embodiment of the present invention.

FIG. 11 is a cross-sectional view illustrating a state in which the fastening member is tightened in the caulking member in the component storage box according to the embodiment of the present invention to complete the caulking.

FIG. 12 is a perspective view showing an appearance of a locking nut member used for the component storage box according to the embodiment of the present invention.

FIG. 13 is a cross-sectional view illustrating a mounting state of a fastening screw and a retaining nut in the component storage box according to the embodiment of the present invention.

FIG. 14 is a cross-sectional view illustrating a state in which a fastening screw in the component storage box according to the embodiment of the present invention is tightened into a retaining nut.

FIG. 15 is a cross-sectional view illustrating an engagement state between a fastening screw and a locking nut member of a retaining nut device in the component storage box according to the embodiment of the present invention.

FIG. 16 is a cross-sectional view schematically illustrating a sealing means in a conventional substrate storage box.

FIG. 17 is a perspective view showing the appearance of a conventional plug.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ball game machine 6 Game board 10,50,100 Board storage box 12,52,102 Cover 13,53 Circuit board 14,54,101 Housing main body part 25,55,75 Cover fixing part 25a, 55a, 75a Tightening Attaching portions 25b, 55b, 75b Connecting pieces 28, 58, 78 Sealing sections 28a, 58a, 78a Screw mounting sections 28b, 58b, 78b Connecting pieces 30, 60 Caulking members 35, 65 Screws for caulking 80 Lock nuts 81 Boss 82 Lock nut member 85 Tightening screw

Claims (4)

[Claims] 1. A box for storing components to be mounted on a gaming machine, comprising: a housing main body for storing components of the gaming machine; and a housing main body for shielding the stored components from the outside. A cover to be put on the portion, and the cover is fixed to the housing body by a caulking member that is fastened in a state of penetrating the housing body and the cover. A game in which the front end portion of the caulking member that penetrates the housing body and the cover is expanded outward from the penetrating position, thereby maintaining the cover fixed to the housing body. Parts storage box for machine. 2. The casing according to claim 1, wherein the caulking member comprises a nut having a hollow portion having an internal thread, and a fastening member having an external thread corresponding to the internal thread is fastened to the hollow portion. The gaming machine component storage box according to claim 1, wherein a tip portion of the caulking member that penetrates the main body and the cover extends outward from the penetrating position. 3. A box for storing components to be mounted on a gaming machine, comprising: a housing body for storing components of the gaming machine; and a housing body for shielding the stored components from the outside. A cover that covers the housing portion, the cover being a fastening screw mounted in a state penetrating the housing body and the cover, and a retaining nut disposed on a side through which the tip of the fastening screw passes. Wherein the retaining nut is provided with a locking nut member for preventing the fastening screw mounted in the penetrating state from being pulled out. A part storage box for a gaming machine, wherein a part of the fastening screw is engaged with the locking nut member to maintain the fixed state of the cover with respect to the housing body. 4. A shaft portion of the tightening screw has a tip screw portion having a male screw formed therein and a central portion having no screw formed therein, and a hollow portion of the retaining nut is provided with the male screw. A corresponding female screw is formed, wherein the tightening screw and the retaining nut are connected to each other by a tip screw of the tightening screw when the tightening screw is completely tightened with respect to the retaining nut. The locking nut member is configured such that the portion does not penetrate through the hollow portion of the retaining nut and does not engage with the retaining nut, and the locking nut member is provided when the tightening screw is completely tightened with respect to the retaining nut. The gaming machine component storage box according to claim 3, wherein the box is provided so as to engage with a part of a center portion of the fastening screw.