JP4854320B2 - Game sound equipment - Google Patents

Description

  The present invention relates to a game sound device in which bass is appropriately provided to the front side of a gaming machine frame by forming a large volume of an enclosure formed on the front side of a bass speaker.

A game acoustic device having the following structure is known. One of them is a structure in which a speaker structure in which a speaker and an enclosure are integrated is provided on the back side of a gaming machine frame, and the sound of the enclosure is guided and released to the front side of the gaming machine frame by a pipe. In this case, a pipe is required in addition to the speaker structure, and there is a disadvantage that the structure becomes complicated. The other is a structure in which the glass of the front door is used as a diaphragm. In this case, since the resonance frequency of the glass is several hundreds of hertz, there is a disadvantage that it is not suitable for use for low-frequency reproduction. The other is a structure in which a piezoelectric speaker is in contact with the glass of the front door. In this case, since the resonance frequency of the glass is several hundred hertz, it is not suitable for use as a bass reproduction. There is. The last one is a structure in which a piezoelectric speaker is attached to the front door. In this case, since the resonance frequency of the glass is several hundred hertz, there is a drawback that it is not suitable for use in low-frequency sound reproduction. is there.
JP 2004-229183 A Japanese Patent Laid-Open No. 7-8601 JP-A-10-216325 JP 2003-135804 A

  The problem to be solved by the invention is that sound effects cannot be appropriately provided to the front side of the gaming machine frame.

Game sound apparatus according to the present invention, through the front door of the gaming machine frame in the longitudinal direction, a structure for closing a visible window of the game area of the game board by the panel structure from the rear side, the panel structure front door and provided between the game board and fixed with the frame so faced each other to be spaced in the longitudinal direction and a rear panel of the rear constituted by the front panel and the glass plate window side formed by a glass plate front It is a structure with a closed space surrounded by a panel, a rear panel, and a frame. A transparent opening, a speaker installation part, a bass reflex opening, and a bass reflex duct are integrally formed in the frame. The speaker installation part is located outside the window when the front door is closed with a panel structure and extends in the front-rear direction across the inside and outside of the frame. Configured to The speaker installation part includes a speaker front cover that protrudes from the cylindrical inner surface of the speaker installation part so as to surround the sound emission hole, and a speaker front cover formed separately from the speaker installation part. It is attached to the front of the speaker installation part so as to close the front opening that protrudes outward from the frame , the bass reflex opening opens at a position different from the speaker installation part on the front of the frame, and the bass speaker points the cone toward the front mounted from the rear side of the speaker installation portion to the speaker mounting portion, the bass reflex duct portion of the low sound by the vibration of the air connecting mutually a closed space and the bass reflex opening surrounded by the rear panel and the frame and the speaker installation part and the front panel the transmission path is formed, the bass sound emitting hole leading to the bass reflex opening is provided on the front surface of the front door, or the front side of the woofer Released bass closed space, the bass reflex duct, bass reflex openings, and most important features to be released in front of the front door via the bass sound emitting hole in order. The front panel may include an extension part that covers the front side of the speaker installation part, and the extension part may be arranged on the front side of the speaker installation part.

  The game acoustic apparatus according to the present invention can secure a large volume of the front enclosure with respect to the bass speaker on the front side inside the speaker installation portion, and the sound emitted from the cone of the bass speaker to the front side is installed in the cylindrical speaker. The sound is emitted to the front side of the front door through the bass reflex duct, bass reflex opening, and bass sound emission hole in order using the enclosed space surrounded by the front panel, rear panel and frame as an enclosure. There is an advantage that the effect of the game is appropriately provided to the player who plays the game on the front side of the gaming machine frame. If the extended part provided on the front panel is arranged on the front side of the speaker installation part, the sound with high sound pressure immediately after being emitted from the cone of the low-frequency speaker passes through the wide gap in the speaker installation part. There is an advantage that a good bass is emitted from the speaker installation portion to the closed space.

  1 to 7 show the best mode for carrying out the invention. FIG. 1 shows the best mode and the proportionality, FIG. 1a shows the front of the frame 54 around the speaker mounting portion 63 in the best mode, and FIG. 1b shows the front view of FIG. 1 shows a cross-section taken along line AA, FIG. 1c shows a front view around the speaker installation portion 63 of the frame 54 in a proportional manner, and FIG. 1d shows the c diagram of FIG. The cross section which cut | disconnected along BB line is shown. FIG. 2 shows an exploded view of the gaming machine frame 1 and the gaming board 36 of the pachinko gaming machine. FIG. 3 shows the front of the pachinko gaming machine. FIG. 4 shows the front door 4 and the panel structure 27 in an exploded manner. FIG. 5 shows the front panel 52, the rear panel 53, the frame 54, and the speaker front cover 67 in the panel structure 27 in an exploded manner. FIG. 6 is an exploded view of the bass speaker 30, the rear panel 53, the frame 54, the duct cover 77, and the speaker rear cover 90 in the panel structure 27. FIG. 7 shows a cross section of the gaming sound device provided in the gaming machine frame 1 taken along the line CC shown in FIG. In this specification, the directions of “front”, “front”, “rear”, “back”, “left”, “right”, “upper”, “lower” indicate the gaming machine frame 1 and the state shown in FIG. This is the direction specified when the game board 36 is placed and viewed from the front side indicated by the arrow S. “Previous” and “Table” are in the same direction. “Rear” and “back” are in the same direction.

  With reference to FIG. 1, the structure of the speaker installation part 63 in the flame | frame 54 is demonstrated. As shown in FIGS. 1A and 1B, in the best mode, the speaker installation portion 63 is provided in a cylindrical shape penetrating in the front-rear direction. Inside the speaker installation portion 63, a speaker attachment portion 81 is provided so as to protrude from the cylindrical inner surface of the speaker installation portion 63 so as to surround the sound emission hole 81A. A speaker front cover 67 formed separately from the speaker installation unit 63 is attached to the front surface of the speaker installation unit 63 so as to close the front opening of the speaker installation unit 63. As a result, the front space E is formed in the speaker installation portion 63 so as to be located in front of the speaker mounting portion 81. Thus, since the speaker front cover 67 formed separately from the speaker installation portion 63 is attached to the front surface of the speaker installation portion 63 so as to close the front opening of the speaker installation portion 63, the front space E is connected to the speaker. In the case of forming using a mold inside the installation portion 63, a shaded display portion (a portion displayed by crossing the right diagonal line and the left diagonal line) F is a space in FIGS. Formed as. The reason is that when the front space E is formed inside the speaker installation portion 63 using a molding die, the movable member G indicated by the phantom line in FIG. 1b in the molding die is pulled out in the direction indicated by the arrow X3. Because it can.

  On the other hand, as shown in FIG. 1 c and FIG. 1 d, in the comparative example, the speaker installation portion 63A is provided in a shape that is closed on the front side and opened only on the rear side. Inside the speaker installation portion 63A, a speaker attachment portion 81 is provided so as to protrude from the inner surface of the speaker installation portion 63A so as to surround the sound emission hole 81A. When the front space E1 is formed inside the speaker installation portion 63A using a molding die, there is a wall 63B that closes the front side of the speaker installation portion 63A, and the movable member G1 indicated by the phantom line in FIG. Can only be pulled out backward as indicated by arrow X5. For this reason, the portion indicated by the imaginary line L in FIG. D remains as a portion existing on the front side of the speaker mounting portion 81.

  Therefore, considering the best mode shown in FIGS. 1A and 1B and the comparison shown in FIGS. 1C and 1D, the best mode is that the space of the screen display portion F is more than the speaker mounting portion 81. Is formed on the front side, and the front space E inside the speaker installation portion 63 of the best mode is wider radially outward than the front space E1 inside the proportional speaker installation portion 63A, and the interior of the speaker installation portion 63 There is an advantage that a large volume of the enclosure on the front side with respect to the bass speaker 30 shown in FIG.

  The structure of the pachinko gaming machine will be described with reference to FIG. The gaming machine frame 1 includes a movable frame 3 that can be opened and closed on the front side of the fixed frame 2, and a front door 4 and a dish structure 5 that can be opened and closed on the front side of the movable frame 3. The fixed frame 2 is also referred to as an outer frame that is fixed to a gaming machine installation structure called an island of a game store where pachinko gaming machines are installed. The movable frame 3 is also referred to as a front frame to which parts necessary for a game such as a game board 36 and a control device (not shown) are attached. The movable frame 3 is centered on the hinge 6 located on the left side and can be opened one side so that it can be opened to the front side and closed to the rear side on the front side of the fixed frame 2. , Panel rear side extrusion part 9, panel front side receiving part 10, panel hanging operation body 11, panel shelf 12, ball launching mechanism 13, ball launching rail 14, return ball intake 15, front side pad 16, external discharge bowl 17, a locking device 18, a latching mechanism 19; 20; 21, and a latch release operating body 22 are provided. The board accommodating portion 7 has a rectangular box shape opened to the front side so that the game board 36 can be stored from the front side of the movable frame 3. The central opening 8 is formed as a through-hole in the front-rear direction on the back wall of the board housing part 7.

  The board rear side pushing part 9 is an elastic body such as a leaf spring that pushes the game board 36 forward. The board front side receiving part 10 is a protrusion that receives the game board 36 pushed forward by the board rear side pushing part 9. The panel rear side extrusion part 9 and the panel front side receiving part 10 are provided on the left side of the panel housing part 7 so that the panel rear side extrusion part 9 is on the rear side and the panel front side receiving part 10 is on the front side. The panel latching operation body 11 protrudes from the back wall of the panel housing part 7 to the front side, and is provided on the right side of the panel housing part 7 so as to be rotatable in a direction parallel to the back wall of the panel housing part 7. The board shelf 12 is formed by the lower edge part of the board accommodating part 7 as a flat surface in the left-right direction on which the game board 36 is mounted. The ball launching mechanism 13, the ball launching rail 14, the return ball intake 15, and the front horizontal bar 16 are provided on the front surface of the front wall extending downward from the shelf 12. The external discharge rod 17 is provided on the back surface of the front wall extending downward from the shelf 12. The locking device 18, the latching mechanism 19; 20; 21, and the latch release operation body 22 are provided on the right side of the movable frame 3.

  The front door 4 and the dish structure 5 can be individually opened so that the hinge 23 located on the left side is centered and opened to the front side and closed to the rear side of the movable frame 3. The front door 4 is also called a panel frame and has a frame shape surrounding the window 24 penetrating in the front-rear direction. A panel structure 27 and a latch member 28 are provided on the back surface of the front door 4. The panel structure 27 is centered on a hinge 29 located on the left side, and can be opened on one side so that it can be opened on the back side and closed on the back side of the front door 4. When the panel structure 27 is closed and supported by the front door 4 so as not to be opened and closed by the latch member 28, the panel structure 27 closes the window 24 from the back side. The panel structure 27 is provided with a bass speaker 30. The structure in which the bass speaker 30 is provided in the panel structure 27 will be described later with reference to FIGS.

  A ball tray 31 and a ball launching operation mechanism 32 are provided on the front surface of the dish structure 5. A ball intake port 33 and a ball supply port 34 are provided on the back surface of the dish structure 5. When the dish structure 5 is closed, the ball launching mechanism 13, the ball launch rail 14, the return ball intake 15, and the front recumbent 16 are covered with the dish structure 5. The movable frame 3 is closed and supported on the fixed frame 2 by the latch mechanism 19 so that it cannot be opened and closed, and the front door 4 and the dish structure 5 are closed and supported on the movable frame 3 by the latch mechanism 20; In this state, when a store clerk in the gaming store inserts a key plate (key) (not shown) into the key hole of the locking device 18 from the front side of the gaming machine frame 1, and rotates the key plate 90 degrees to the right, for example, the fixed frame 2 And the support form by the latching mechanism 19 between the movable frame 3 is released. After the release of the support form, the store clerk at the game store pulls the movable frame 3 forward, whereby the movable frame 3 is opened to the front side around the hinge 6. Further, when the key plate inserted into the keyhole of the locking device 18 is rotated 90 degrees to the left, for example, the support form by the latch mechanism 20 between the movable frame 3 and the front door 4 is released. After the release of this support mode, the clerk of the game store pulls the front door 4 forward, whereby the front door 4 is opened to the front about the hinge 23. In the state where the front door 4 is opened to the front side, when the store clerk pushes the latch release operation body 22 downward, the support form by the latch mechanism 21 between the movable frame 3 and the dish structure 5 is released. The After the release of the support form, the store clerk of the game store pulls the dish structure 5 forward, whereby the dish structure 5 is opened to the front around the hinge 23.

  The game area of the game board 36 is an inner portion surrounded by the inner guide rail 37 and the outer guide rail 38 on the front surface of the game board 36, and passes through the window 24 and the panel structure 27 from the front side of the gaming machine frame 1. And is visually recognized. In the game area, a winning component 39, a center decoration 40, an out port 41, a ball launch passage 42, a game nail and other game components not shown in the figure are provided. The ball launch passage 42 is formed by a gap between the left side portion of the inner guide rail 37 and the left side portion of the outer guide rail 38. The winning component 39 is a general winning component, a starting winning component, a variable winning component, or the like. Other game parts include windmills, side lamps, figures, characters, and the number-of-holds indicator. A mounting portion 43 is provided on the right side of the game board 36 so as to be divided into upper and lower portions. An attachment hole 44 is provided in the attachment portion 43 as a through hole in the front-rear direction. The lower mounting portion 43 is covered with the certificate stand 45 when the certificate stand 45 provided on the front surface of the game board 36 is closed. The upper left corner of the game board 36 is removed to form the speaker escape section 46.

  In the state where the front door 4 is opened to at least the front side, the left side portion of the game board 36 is inserted from the front side of the movable frame 3 between the board rear side pushing part 9 and the board front side receiving part 10, The right side portion of 36 is pushed from the front side to the rear side by the store clerk of the game store, the board holding operation body 11 is inserted into the mounting hole 44 from the back side of the game plate 36, and the store clerk of the game store protrudes to the front side of the game board 36. For example, by rotating the board latching operation body 11 by 90 degrees, the board latching operation body 11 is latched on the front surface of the game board 36, the game area of the game board 36 is directed to the front side, and the game board 36 is It is attached to the board accommodating portion 7 inside the movable frame 3. When the front door 4 is closed, the rear part of the bass speaker 30 protrudes from the front side of the game board 36 to the back side of the game board 36 via the speaker escape part 46. The closed front door 4 is supported by the movable frame 3 so that it cannot be opened and closed by the latch mechanism 20, so that the game area of the game board 36 can be seen through the window 24 and the panel structure 27 of the game machine frame 1. Thereafter, a store clerk at the game store pulls the key plate forward from the key hole of the locking device 18.

  The front structure of the gaming machine frame 1 in which the front door 4 and the dish structure 5 are closed will be described with reference to FIG. On the front surface of the front door 4, a bass sound emitting hole 50 is provided separately on the left and right below the window 24. Then, a control device (not shown) is activated upon receiving power supply, and a ball called a pachinko ball is placed in the ball tray 31, and the player operates the ball launch operation mechanism 32, and the operation amount from the ball launch operation mechanism 32. When the control device drives the ball launching mechanism 13, the ball launching mechanism 13 launches the ball from the ball tray 31 via the ball supply port 34 (see FIG. 2). Balls supplied to the rail 14 (see FIG. 2) are shot one by one toward the game area of the game board 36 with a mechanical output corresponding to the operation amount by the ball shooting operation mechanism 32. The ball launched into the game area wins the winning component 39 (see FIG. 2), and the ball detector (not shown) outputs a winning signal for detecting the winning ball to the winning component 39 to the control device. When the bass speaker 30 is driven based on the signal, the bass is emitted to the front side from the bass sound emitting hole 50 in the lower part of the front door 4.

  A schematic structure of the panel structure 27 will be described with reference to FIG. The panel structure 27 includes a bass speaker 30, a front panel 52, a rear panel 53, a frame 54, and a bass reflex opening 55. The front panel 52 is configured by a glass plate disposed on the back side of the window 24 and having a size for closing the window 24. The rear panel 53 is formed of a glass plate that is disposed on the rear side of the front panel 52 and has a size that closes the window 24. The bass reflex opening 55 is provided separately on the left and right in the lower part of the panel structure 27. When the panel structure 27 is attached to the back surface of the front door 4 so as to close the window 24, the bass reflex opening 55 is connected to the bass sound emission hole 50.

  The internal structure from the front side of the panel structure 27 will be described with reference to FIG. The front panel 52 is provided with an overhang 56 at the upper left. When the front panel 52 and the rear panel 53 indicated by the imaginary line L <b> 1 are overlapped with each other so that the rear surface of the front panel 52 and the front surface of the rear panel 53 overlap each other, the overhanging portion 56 is outside the rear panel 53. Protruding. Therefore, the front panel 52 has a plate shape that is larger than the rear panel 53 only in the protruding portion 56. The frame 54 is made of a light metal such as a synthetic resin, an aluminum alloy, or a magnesium alloy, and includes a bass reflex opening 55, a frame base 57, a see-through opening 58, a front panel receiving portion 59, a hinge bracket 60, a hinge pin 61, and a latch receiving portion 62. The speaker installation portion 63, the front cover mounting portion 64, the front panel support 65, and the like are integrally formed. The frame base 57 has a larger outer shape than the front panel 52 and the rear panel 53. The see-through opening 58 has a larger shape than the window 24 in FIG. 4 when viewed from the front, and is provided in the frame base 57 as a through hole in the front-rear direction. The front panel housing portion 59 surrounds the see-through opening 58 and opens to the front surface of the frame base 57 and the see-through opening 58, and is provided in the frame base 57 as a recess from the front surface of the frame base 57 to the inside. It is done. The outer periphery of the front panel housing portion 59 is the same size as the outer periphery of the front panel 52 so that the front panel 52 is taken into the front panel housing portion 59, but the front panel 52 is bonded to the front panel housing portion 59 with an adhesive. In this case, the front panel accommodating portion 59 is larger than the front panel 52 by the thickness of the adhesive. The dimension of the front panel housing portion 59 that is recessed from the front surface of the frame base 57 is the same as the thickness of the front panel 52 in the front-rear direction. When the front panel 52 is mounted on the frame 54 so as to close the front side of the transparent opening 58 from the front side of the frame 54, the peripheral edge portion of the front panel 52 is fitted into the front panel accommodating portion 59 and fixed with an adhesive. .

  The hinge bracket 60 is provided on the left side of the frame 54, protrudes from the left side of the frame 54 to the left side, and is divided into upper and lower parts. The hinge pins 61 are individually provided on the hinge bracket 60 and project downward from the hinge bracket 60. The latch receiving portion 62 is provided on the right side of the frame 54, protrudes from the right side of the frame 54 to the right side, and is divided into upper and lower sides. The speaker installation portion 63 is provided in the upper left part of the frame base 57 in a cylindrical shape that extends in the front-rear direction across the inside and outside of the front panel housing portion 59. The front cover mounting portion 64 is provided on the front surface of the speaker mounting portion 81 as a protrusion that protrudes in a cylindrical shape from the front surface of the speaker mounting portion 81 in a portion protruding outward from the frame base 57 of the speaker mounting portion 63. . The front panel support 65 receives the front panel 52, and a plurality of front panel supports 65 are provided at the fluoroscopic opening edge 66 between the fluoroscopic opening 58 and the speaker installation part 63 so as to be separated in the circumferential direction of the fluoroscopic opening edge 66. A projection protruding forward from the fluoroscopic opening edge 66.

  A speaker front cover 67 is attached to the front surface of the speaker installation unit 63. The speaker front cover 67 is a plate having a size that covers a through hole in a portion of the speaker installation portion 63 that protrudes outward from the frame base 57. A mounting hole 68 is provided in the speaker front cover 67 as a through hole in the front-rear direction. The speaker front cover 67 is disposed in the speaker installation portion 63 so as to cover a through hole in a portion protruding from the front side of the frame 54 to the outside of the frame base 57, and a set screw 69 such as a tapping screw is attached to the attachment hole 68. It is fastened to the front cover mounting part 64 via As a result, the speaker front cover 67 closes the portion of the speaker installation portion 63 that protrudes outside the frame 54 so as not to leak sound.

  The internal structure from the back side of the panel structure 27 will be described with reference to FIG. The frame 54 is provided with a rear panel accommodating portion 71 and a bass reflex duct portion 72. The rear panel accommodating portion 71 surrounds the transparent opening 58 and opens to the rear surface of the frame base 57 and the transparent opening 58, and is provided in the frame base 57 as a recess from the rear surface of the frame base 57 to the inside. It is done. The outer periphery of the rear panel housing portion 71 is the same size as the outer periphery of the rear panel 53 so that the rear panel 53 is taken into the rear panel housing portion 71, but the rear panel 53 is bonded to the rear panel housing portion 71 with an adhesive. In this case, the rear panel accommodating portion 71 is larger than the rear panel 53 by the thickness of the adhesive. The dimension recessed from the rear surface of the frame base 57 of the rear panel housing portion 71 to the inside is the same as the thickness of the rear panel 53 in the front-rear direction. By attaching the rear panel 53 to the frame 54 so as to close the rear side of the transparent opening 58 from the back side of the frame 54, the peripheral portion of the rear panel 53 is fitted into the rear panel housing portion 71 and fixed with an adhesive. .

  The bass reflex duct 72 includes a closed space D (see FIG. 7) surrounded by a speaker installation portion 63, a front panel 52, a rear panel 53 and a frame 54, and a bass reflex opening 55 by a removal portion 73, a partition wall 74, and an introduction portion 75. Are connected to each other to form a transmission path indicated by a sound arrow X1 (see FIG. 7) due to air vibration. The removal portion 73 is configured to have a shape that leaves the peripheral edge of the transparent opening 58 as a recess from the back surface of the frame base 57 to the front side by removing the lower left portion and the lower right portion of the rear panel housing portion 71. . The partition wall 74 is a protrusion that protrudes from the rear surface of the peripheral edge portion of the see-through opening portion 58 left on the frame base 57 by the removing portion 73 and surrounds the bass reflex opening portion 55. The introduction part 75 is formed by removing the upper part of the partition wall 74 so as to be connected to the see-through opening part 58 of the removal part 73. The removal portion 73 is provided with a duct cover attachment portion 76 as a cylindrical protrusion.

  A duct cover 77 is attached to the back surface of the frame 54. The duct cover 77 is a plate having a size that covers the removal portion 73, the partition wall 74, and the introduction portion 75 as a whole. The duct cover 77 is provided with a rear panel housing portion 78 and a mounting hole 79. The rear panel housing portion 78 is a portion connected to the rear panel housing portion 71 when the duct cover 77 is attached to the frame 54. The attachment hole 79 is a through hole in the front-rear direction. A duct cover 77 is disposed on the rear surface of the frame 54 so as to cover the removal portion 73, the partition wall 74 and the introduction portion 75 from the rear side of the frame 54, and a set screw 80 such as a tapping screw passes through the mounting hole 79. And fastened to the duct cover mounting portion 76. As a result, the duct cover 77 is attached to the frame 54 and closes the removal portion 73, the partition wall 74, and the introduction portion 75 so as not to leak sound as a whole. Thereafter, the rear panel 53 is accommodated in the rear panel accommodating portions 71 and 78 and attached to the frame 54 with an adhesive, so that the bass reflex duct portion 72 has the speaker installation portion 63, the closed space D (see FIG. 7), and the bass reflex opening portion. 55 is connected to each other to form a sound transmission path by vibration of air.

  A speaker mounting portion 81 is provided inside the speaker installation portion 63. The speaker mounting portion 81 protrudes inward from the cylindrical inner surface of the speaker installation portion 63 so as to surround the sound emission hole 81A. The sound emission hole 81A is a through hole in the front-rear direction, and has a diameter the same as or larger than the sound emission hole opened to the front side of the cone 83 in the speaker 30. The speaker mounting portion 81 is provided with a speaker mounting hole 81B as a through hole in the front-rear direction. A rear cover mounting portion 82 is provided outside the speaker installation portion 63. The low-frequency speaker 30 includes an acoustic conversion portion 84 at the rear portion of the conical cone 83, a flange 85 protrudes outward from a peripheral portion of the sound emitting hole that opens to the front side of the cone 83, and a plurality of screw insertion holes 86 in the flange 85. The sound conversion unit 84 converts the sound current input from the lead wire 87 formed of a covered electric wire protruding outward from the sound conversion unit 84 into mechanical vibration and transmits the mechanical vibration to the cone 83, and the cone 83 is transmitted. The vibration is expanded and emitted as low sound waves. The leader line 87 is provided with a connector 88. When the cone 83 is directed to the front side, the flange 85 is inserted into the speaker installation unit 63 from the rear side of the frame 54, and the bass speaker 30 is arranged on the speaker installation unit 63 from the rear side of the frame 54, 83 and the sound conversion unit 84 do not contact the speaker installation unit 63, and the front surface of the flange 85 contacts the back surface of the speaker mounting unit 81. Then, a set screw 89 such as a tapping screw is fastened to the speaker mounting hole 81 </ b> B from the rear side of the bass speaker 30 via the screw insertion hole 86. Accordingly, the bass speaker 30 is attached to the speaker attachment portion 81 from the back side of the speaker installation portion 63 and protrudes from the speaker installation portion 63 to the back side.

  The bass speaker 30 is covered with a speaker rear cover 90. The speaker rear cover 90 has a box shape opened to the front side. A screw insertion hole 91 as an attachment portion is provided in the peripheral edge portion of the front opening of the speaker rear cover 90. The rear wall of the speaker rear cover 90 is provided with a sound emitting hole portion 92 composed of a number of through holes. When the speaker rear cover 90 is put on the bass speaker 30, the connector 88 is inserted from the front side of the speaker rear cover 90 into one through hole constituting the sound emitting hole portion 92 and pulled out from the speaker rear cover 90 to the rear side. As a result, the lead line 87 is passed through the rear wall of the speaker rear cover 90. Then, the speaker rear cover 90 is put on the bass speaker 30 from the rear side of the bass speaker 30, the peripheral edge portion of the front opening of the speaker rear cover 90 is brought into contact with the back surface of the speaker installation portion 63, and a set screw 93 such as a tapping screw is used. Is fastened to the rear cover mounting portion 82 from the rear side of the speaker rear cover 90 via the screw insertion hole 91. As a result, the speaker rear cover 90 is attached to the speaker installation portion 63. In this best mode, since the bass reflex opening 55, the speaker installation portion 63, and the bass reflex duct portion 72 are provided on the frame 54, the bass reflex opening 55, the speaker installation portion 63, and the bass reflex duct portion 72 are connected to the front panel of FIG. There is an advantage that the structure of the front panel 52 is simplified compared to the case where the front panel 52 is provided.

  As shown in FIG. 4, the hinge pin 61 of the panel structure 27 having the game sound device configured as described above is fitted into a hinge hole (not shown) provided on the back surface of the front door 4 from above. The panel structure 27 is attached to the back surface of the front door 4. The hinge pin 61 and a hinge hole (not shown) constitute the hinge 29 shown in FIG. Then, as shown in FIG. 2, the panel structure 27 is closed on the back side of the front door 4 with the hinge 29 as the center, and the latching member 28 is operated by a store clerk at the game store to be placed on the back surface of the latch receiving portion 62. When the panel structure 27 is supported on the back surface of the front door 4 so as not to be opened and closed, the panel structure 27 closes the window 24 from the back side, and the front side of the bass speaker 30 is covered with the front door 4.

  With reference to FIG. 7, the internal structure of the game sound apparatus will be described. Inside the panel structure 27, a closed space D is formed by being surrounded by a front panel 52, a rear panel 53 and a frame 54. Inside the speaker installation portion 63, the front space E is formed by being closed by the front cover mounting portion 64. And the sound emitted to the front side from the cone 83 of the bass speaker 30 is transmitted from the sound emission hole 81A of the speaker installation portion 63 through the sound path 81A of the sound due to the vibration of the air from the front space E, the closed space D, The light passes through the bass reflex duct 72, the bass reflex opening 55, and the bass sound emission hole 50 in order, and is discharged from the left and right lower portions of the front door 4 to the front side. The sound emitted to the rear side from the cone 83 of the bass speaker 30 is transmitted from the rear side of the speaker installation portion 63 through the transmission path indicated by the sound arrow X2 due to air vibration, The sound is discharged to the back side of the game board 36 through the speaker escape portion 46 in order. That is, a bass is emitted from the bass speaker 30 to the lower front side of the front door 4 through the bass reflex duct 72, the bass reflex opening 55, and the bass sound emitting hole 50 using the closed space D as an enclosure. There is an advantage that a game effect by a low sound emitted to the lower front side of the front door 4 is appropriately provided to a player who plays a game on the front side of the gaming machine frame 1. Since the bass emitted to the rear side of the bass speaker 30 is released to the rear side of the gaming machine frame 1, there is an advantage that there is no inconvenience to interfere with the bass emitted to the lower front side of the front door 4. is there.

  Since the front panel 52 includes an overhanging portion 56, and the overhanging portion 56 is disposed on the front side of the speaker installation portion 63, the front panel housing portion 59 and the rear panel housing portion 71 are mutually in the front-rear direction. The position shifts so that it does not get a relative wrinkle. Therefore, the gap H <b> 1 between the back surface of the front panel 52 and the front surface of the rear panel housing portion 71 is wider than when the front panel housing portion 59 and the rear panel housing portion 71 are heeled relative to each other in the front-rear direction. When the gap H1 in the speaker installation portion 63 is increased in this way, a sound having a high sound pressure immediately after being emitted from the cone 83 of the bass speaker 30 to the front side passes through the wide gap H1, so that a good bass is produced by the speaker installation portion 63. There is an advantage that it is discharged into the closed space D. Since the bass speaker 30 is attached to the speaker installation unit 63 so as to protrude from the speaker installation unit 63 to the back side, the bass speaker 30 does not occupy the space on the back side of the front door 4 and the rear side of the front door 4 The space has an advantage that necessary electrical components can be appropriately attached to the front door 4. Since the bass speaker 30 is attached to the speaker attachment portion 81 from the back side of the speaker installation portion 63, the flange 85 of the bass speaker 30 is disposed on the back side of the speaker attachment portion 81, and the flange 85 is not disposed in the front space E. For this reason, there is an advantage that the volume of the front space E, that is, the volume of the front enclosure with respect to the bass speaker 30 becomes larger than when the bass speaker 30 is attached to the speaker mounting portion 81 from the front side of the speaker installation portion 63. .

  In FIG. 7, in order to clearly show the boundary between the front door 4 and the panel structure 27, the front surface of the front panel 52 of the panel structure 27 is illustrated as being separated from the back surface of the front door 4 surrounding the window 24. However, when the panel structure 27 is closed to the front door 4 so as not to be opened and closed, the front surface of the front panel 52 contacts the back surface of the front door 4 surrounding the window 24.

  In FIG. 5, the speaker front cover 67 may be attached to the speaker installation portion 63 with an adhesive without using a fixing tool such as a set screw 69. The front cover mounting portion 64 is a portion of the speaker installation portion 63 that protrudes outward from the frame base 57, and serves as a cylindrical protrusion that opens from the speaker installation portion 63 into the speaker installation portion 63 and opens in the front-rear direction. You may provide in the inner surface of the installation part 63. FIG. In FIG. 6, the duct cover 77 may be attached to the frame 54 with an adhesive without using a fixing tool such as a set screw 80. And the place where the bass speaker 30 is overlapped in the front-rear direction is not limited to the upper left part of the gaming machine frame 1.

Fig. a is a front view of the speaker installation portion of the best mode, Fig. b is a sectional view taken along line AA in Fig. a, Fig. c is a front view of a proportional speaker installation portion, and Fig. d is a line BB in Fig. c. Sectional view (best mode). The exploded perspective view of the pachinko machine (the best form). The front view (best form) of a pachinko machine. The exploded perspective view (best form) of a front door and a panel structure. The disassembled perspective view of the front side of a panel structure (best form). The disassembled perspective view of the rear side of a panel structure (best form). The CC sectional view taken on the line of FIG. 3 (best form).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Game machine frame 4 Front door 24 Window 27 Panel structure 30 Bass speaker 36 Game board 50 Bass sound emission hole part 52 Front panel 53 Rear panel 54 Frame 55 Bass reflex opening part 63 Speaker installation part 72 Bass reflex duct part 67 Speaker front cover 81 Speaker mounting part 81A Sound emission hole D Closed space E Front space

Claims (2)

The front door of the gaming machine frame through the longitudinal direction, a structure for closing a game area of the game board a viewable window from the back side in the panel structure,
The panel structure is provided between the front door and the game board so that the front panel on the window side constituted by the glass plate and the rear panel on the rear side constituted by the glass plate are separated from each other in the front-rear direction. It is a structure with a closed space fixed by a frame and surrounded by a front panel, a rear panel, and a frame.
In the frame, a perspective opening, a speaker installation part, a bass reflex opening and a bass reflex duct are integrally formed,
The perspective opening is provided as a through hole in the front-rear direction with a larger shape than the window ,
The speaker installation part is configured in a cylindrical shape that is located outside the window when the front door is closed with the panel structure and penetrates in the front-rear direction across the inside and outside of the frame ,
Inside the speaker installation part, the speaker installation part is provided so as to protrude from the cylindrical inner surface of the speaker installation part so as to surround the sound emission hole,
The speaker front cover formed separately from the speaker installation part is attached to the front surface of the speaker installation part so as to close the front opening protruding outside the frame of the speaker installation part,
The bass reflex opening is opened at the front of the frame at a position different from the speaker installation part, and the bass speaker is attached to the speaker attachment part from the rear side of the speaker installation part with the cone facing forward,
Bass reflex duct portion to form a transmission path of the low sound by the vibration of the air connecting mutually a closed space and the bass reflex opening surrounded by the rear panel and the frame and the speaker installation part and the front panel, bass reflex openings on the front surface of the front door A bass sound emitting hole part connected to the part is provided ,
A game acoustic apparatus characterized in that bass emitted from the front side of a bass speaker is emitted to the front side of a front door through a closed space, a bass reflex duct, a bass reflex opening, and a bass sound emitting hole in order .   The game acoustic apparatus according to claim 1, wherein the front panel includes an extending portion that covers a front side of the speaker installation portion, and the extending portion is disposed on the front side of the speaker installation portion.

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