JP2011098129A - Noise-reduction structure of pachinko machine island - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a noise-reduction structure of a Pachinko machine island, which can effectively reduce noises generated in an inner space of the Pachinko machine island 10 and can be applied to existing Pachinko machine islands at low cost. <P>SOLUTION: First sound absorbing materials 26 are arranged along the rear surfaces of top plates 12 which cover the top space S of the Pachinko machine island 10 in an openable manner. In the Pachinko machine island 10, hook pieces 27A are fixed to a rail 19 on the side of one line of Pachinko machines 17 and to a rail 19 on the side of the other line. The hook pieces 27A are bridged with the first sound absorbing materials 26. Second sound absorbing materials 30 are hung along the rear surfaces of openable/closable frieze boards 13 which constitute the front faces of the top of the Pachinko machine island 10. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a noise reduction structure for a pachinko machine island configured by arranging a plurality of pachinko machines side by side.

  Inside the pachinko machine island, there are pachinko ball supply baskets and pachinko ball collection baskets, which are connected to each pachinko machine by pipes.

  As the pachinko game progresses, the pachinko balls fall from the pachinko ball supply basket to the storage tank of each pachinko machine through the pipe passage and are supplied. In addition, pachinko balls discharged from each pachinko machine fall into the pachinko ball collection basket through the pipe passage, pass through the collection basket while rolling, and are sent to the pachinko ball washing machine.

  As described above, since the pachinko balls fall into the storage tank and the pachinko ball collection basket or pass through the pachinko ball supply basket and the pachinko ball collection basket inside the pachinko machine island, noise is constantly generated.

In order to reduce this type of noise generated inside the pachinko machine island, in the invention described in Japanese Patent Laid-Open No. 10-80570, a dome-type sound absorbing material is placed on the ceiling of the pachinko machine island.
In the invention described in Japanese Patent Application Laid-Open No. 11-90022, a storage space is formed on the back surface of the curtain plate that forms the top front surface of the pachinko machine island, and a sound absorbing material is packed in this space.
Also. In the invention described in Japanese Patent Laid-Open No. 2009-000133, the sound absorbing material is suspended along the back of each pachinko machine arranged in the pachinko machine island.

Japanese Patent Laid-Open No. 10-80570 Japanese Patent Laid-Open No. 11-90022 JP 2009-000133 A

Like the conventional pachinko machine island noise reduction structure described above, when a dome-shaped sound absorber is placed on the top of the pachinko machine island, it requires a space for the sound absorber to be installed above the top of the pachinko machine island. In order to apply to existing pachinko machine islands, the space above the top of pachinko machine islands must be remodeled significantly, increasing the installation cost.
When a curtain plate in which a sound absorbing material is packed in the storage space on the back side is applied to an existing pachinko machine island, the curtain plate of each pachinko machine must be replaced, which makes the replacement work cumbersome and expensive.
Moreover, the noise reduction effect is insufficient only by suspending the sound absorbing material on the back of each pachinko machine.
In view of such problems, the present invention provides a noise reduction structure for pachinko machine islands that can effectively reduce noise generated in the internal space of pachinko machine islands and can be applied to existing pachinko machine islands at low cost. For the purpose.

  The invention described in claim 1 is a noise reduction structure in a pachinko machine island configured by arranging a plurality of pachinko machines side by side, and the rear surface of the top plate that covers the top space of the pachinko machine island so as to be openable The first sound-absorbing material is disposed along the line.

  According to the second aspect of the present invention, a plurality of pachinko machines are arranged in two horizontal rows so that the back surface of one row of pachinko machines and the back surface of the other row of pachinko machines face each other with a predetermined gap therebetween. In the noise reduction structure in the configured pachinko machine island, the first sound absorbing material is arranged along the back surface of the top plate that covers the top space of the pachinko machine island so as to be openable.

  According to a third aspect of the present invention, in the noise reduction structure for the pachinko machine island according to the second aspect, a latching piece is provided between the inner wall surface on the one row side and the inner wall surface on the other row side of the pachinko machine island. Is fixed, and the first sound-absorbing material is spanned between the two latching pieces.

  According to a fourth aspect of the present invention, in the noise reduction structure of the pachinko machine island according to the first or second aspect, the second sound absorption along the back surface of the openable / closable curtain plate constituting the front surface of the top of the pachinko machine island. It is characterized by hanging the material.

According to invention of Claim 1 and Claim 2, the noise which generate | occur | produces inside a pachinko machine island with the 1st sound-absorbing material arrange | positioned in the top space of a pachinko machine island can be reduced effectively.
Thus, since the first sound absorbing material is disposed along the back surface of the top plate, the top space can be opened from the top plate and the sound absorbing material can be attached. In addition, since the first sound absorbing material is not disposed above the top of the pachinko machine island, but is disposed in the top space, the existing pachinko machine island can be easily remodeled.

  According to the invention described in claim 3, since the latching piece is fixed to the inner wall surface and the first sound absorbing material is passed between them, the existing sound can be simply modified by simply opening the top plate and attaching the latching piece. Applicable to pachinko machine island.

  According to the fourth aspect of the present invention, noise generated inside the pachinko machine island can be further reduced by the second sound absorbing material suspended along the back surface of the curtain. In addition, the second sound absorbing material is not attached to the inner surface of the pachinko machine island or the back of the main body of the pachinko machine, but hung along the curtain plate that can be opened and closed. It can be applied to existing pachinko machine islands at low cost.

It is a front view which shows the pachinko machine island provided with the noise reduction structure which concerns on one Example of this invention. It is sectional drawing cut | disconnected from the 2-2 line | wire of FIG. It is a perspective view which shows the sound-absorbing material arrange | positioned at the pachinko machine island provided with the noise reduction structure which concerns on one Example of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a pachinko machine island 10 having a noise reduction structure according to an embodiment of the present invention. The pachinko machine island 10 includes a base frame 11, a top plate 12, a curtain plate 13 that forms the top front surface of the pachinko machine island, a lamp frame 14, and a support 15. A plurality of pachinko machines 17 are mounted on a base 16 of the base frame 11. It is placed side by side.

  The struts 15 are erected on the base 16 at intervals corresponding to two pachinko machines 17, and two pachinko machines 17 are fitted between the struts 15 and the struts 15. In the lamp frame 14, call lamps 18 corresponding to the respective pachinko machines 17 are arranged.

  As shown in FIG. 2, pachinko machines 17 are arranged in two rows on the left and right on the pachinko machine island 10. The pachinko machine 17 in one row and the pachinko machine 17 in the other row are arranged so that their backs face each other.

The upper ends of the pillars 15 erected on the pedestal 11 are fitted into the mortises of the hooks 19, and the pillars 17 arranged in the same pachinko machine row are connected by the hooks 19. Then, the top plate 12 is placed over the left and right hinges 19. The top plate 12 is arranged for each pair of pachinko machines 17 facing the back.
Inside the pachinko machine island 10, a top space S is defined by the top plate 12, the curtain plate 13 and the lamp frame 14. By removing the top plate 12, this top space is opened and the inside of the space can be accessed. The curtain 13 is attached to the purse 19 so that the top space S can be accessed by a hinge 20 that can be opened and closed in the direction of the arrow.

  In the internal space of the pachinko machine island 10 and in the vicinity of the upper end of the pachinko machine 17, a pachinko ball supply basket 21 is installed and extends along the row of the pachinko machines 17. A pachinko ball collecting basket 22 is attached to the inside of the base frame 11 constituting the lower space inside the pachinko machine island 10 and extends along the row of the pachinko machines 17.

  A pachinko ball storage tank 23 of each pachinko machine 17 is connected to a pachinko ball supply basket 21 through a pipe passage 24. Each pachinko machine 17 is connected to a pachinko ball collecting basket 22 through a pipe passage 25.

  In the top space S of the pachinko machine island 10, a first sound absorbing material 26 is disposed along the back surface of the top plate 12. The first sound absorbing material 26 is stretched between hooks 27A having an L-shaped cross section fixed to the inner surfaces of the left and right clams 19 with screws. The first sound absorbing material 26 is configured by covering the surface of a glass wool mat with a gauze sheet or an aluminum glass sheet. As shown in FIG. 1, the first sound absorbing material is provided corresponding to each top plate.

  In the top space S of the pachinko machine island 10, two rows of second sound absorbing materials 30 are suspended from the pier 28 along the back surface of the curtain plate 13. The crosspiece 28 is fixed to the support column 15 with a nail or the like, and extends along the row of the pachinko machines 17.

  The details of the structure of each second sound absorbing material 30 are shown in FIG. The second sound absorbing material 30 includes a sound absorbing material main body 31, an aluminum frame 32 attached to the upper end portion of the sound absorbing material main body 31, and a hook metal fitting 33 attached to the frame 32. The sound-absorbing material body 31 is made of the same material as the first sound-absorbing material 25, and is configured by covering the surface of a glass wool mat 34 with a gauze sheet or an aluminum glass sheet 35. The longitudinal and lateral dimensions (width dimensions) of the sound-absorbing material body 31 are cut so as to be substantially the same as the longitudinal and lateral dimensions of the curtain plate 15.

  The frame 32 is attached to the upper end portion of the sound absorbing material main body 31 along the width direction. The frame 32 is formed with a groove portion 36 into which the upper end portion of the sound absorbing material main body 31 is fitted and a slit 37 for attaching the hook metal fitting 33. The slit 37 extends in the width direction of the sound absorbing material body 31.

  The sound absorbing material main body 31 has an upper end fitted into the groove 36 of the frame 32 and is attached with a bolt 38 penetrating from the side surface of the frame 32. The hook fitting 33 is secured from the slit 37 by tightening a nut 39 at the lower end inserted through the slit 37. The hook fitting 33 can be moved along the slit 37. The second sound absorbing material 30 is suspended from the pier 28 so as to face the back surface of the curtain plate 13 as shown by a chain line in FIG.

  A plurality of crosspieces 29 are installed between the upper end of the pachinko machine 17 in one row and the upper end of the pachinko machine 17 in the other row facing the pachinko machine 17. Both ends of the crosspiece 29 are installed between hook pieces 27B fixed to the support column 15 with screws or the like. Then, the two third sound absorbing materials 40 are suspended so as to face each other in the gap between the crosspiece 29 and the left and right pachinko machines 17.

  The configuration of the third sound absorbing material 40 is substantially the same as the second sound absorbing material 30 except for the size, and the size is set to be approximately the same as the vertical and horizontal dimensions of each pachinko machine 17, as shown by a two-dot chain line in FIG. It is suspended from the pier 29 so as to face the back of each pachinko machine 17.

  The noise reduction structure of the pachinko machine island 10 according to the present embodiment is as described above, and the first sound absorbing material 26, the second sound absorbing material 30, and the third sound absorbing material 40 arranged in the top space S of the pachinko machine island 10. Noise generated inside Pachinko Machine Island can be effectively reduced.

  Since the first sound absorbing material 26 is disposed along the back surface of the top plate 12, the top plate 12 can be removed, the top space S can be opened, and the sound absorbing material 26 can be attached. Remodeling is easy.

  Since the latching piece 27A is fixed to the lug 19 and the first sound absorbing material 26 is passed between the latching pieces 27A, the existing pachinko can be simply modified by simply opening the top plate 12 and attaching the latching piece 27A. Applicable to Kijima.

  The second sound absorbing material 30 is not attached to the inner surface of the pachinko machine island 10 or the rear surface of the pachinko machine body, but is suspended along the curtain plate 13 that can be opened and closed, so that the curtain plate 13 can be opened and attached easily. It can be applied to existing pachinko machine islands at low cost.

  In addition, the second sound absorbing material 30 is not attached to the inner surface of the ceiling frame 12 or the curtain 15 of the pachinko machine island 10, but is hung from the pier 28 using the hook fitting 33, so that the existing pachinko machine island 10 is attached. In addition, it is possible to install the second sound absorbing material 30 by a simple operation for fixing the pier 28.

  In particular, since the first sound absorbing material 26 and the second sound absorbing material 30 are arranged on the back surface of the removable top plate 12 and the openable / closable curtain plate 13, the sound absorbing materials 26, 30 and the hanging pieces 27 </ b> A are added to the existing pachinko machine island. The work of attaching the pier 28 can be easily performed by opening the curtain plate 13 or removing the top plate 12 and accessing the top space S, and the existing pachinko machine island can be modified to a noise reduction structure at low cost. it can.

  Furthermore, in this embodiment, the two rows of the third sound absorbing members 40 are arranged close to each other so as to face the back surface of the pachinko machine 17, so that the noise generated from the pachinko machine body 17 can be effectively reduced.

  In the present embodiment, the pachinko machine 17 is applied to the pachinko machine island 10 in which the pachinko machines 17 are arranged in two rows. However, the pachinko machine island can be applied to a single pachinko machine island.

  Moreover, although the splints 28 and 29 for suspending the second and third sound absorbing materials 30 and 40 are attached, it may be configured to suspend using appropriate members provided in the internal space of the pachinko machine island 10. Is possible.

  Furthermore, although the latching piece 27A is fixed to the perch, the latching piece is attached to a member other than the perch constituting the inner wall surface on one pachinko machine row side and the inner wall surface on the other row side in the pachinko machine island 10. It is also possible to fix 27A.

DESCRIPTION OF SYMBOLS 10 ... Pachinko machine island 11 ... Base frame 12 ... Top plate 13 ... Curtain board 14 ... Lamp frame 15 ... Post 16 ... Plinth 17 ... Pachinko machine 18 ... Call lamp 19 ... Splint 20 ... Hinge 21 ... Pachinko ball replenishment cage 22 ... Pachinko ball collecting bowl 26 ... first sound absorbing material 27A, 27B ... hanging pieces 28, 29 ... pier 30 ... second sound absorbing material 40 ... third sound absorbing material

Claims (4)

  It is a noise reduction structure in pachinko machine islands that are configured by arranging multiple pachinko machines side by side, and the first sound-absorbing material is arranged along the back surface of the top plate that covers the top space of pachinko machine islands so that they can be opened. Pachinko machine island noise reduction structure characterized by that.   Noise reduction structure in pachinko machine islands configured by arranging multiple pachinko machines in two horizontal rows so that the back of one pachinko machine and the back of the other pachinko machine face each other with a predetermined gap. And the noise reduction structure of pachinko machine island characterized by having arrange | positioned the 1st sound absorption material along the back surface of the top plate which covers the top space of pachinko machine island so that opening is possible.   A hook piece is fixed between the inner wall surface on the one row side and the inner wall surface on the other row side in the pachinko machine island, and the first sound absorbing material is bridged between the two hook pieces. The noise reduction structure of the pachinko machine island according to claim 2.   The noise reduction structure for a pachinko machine island according to claim 1 or 2, wherein a second sound absorbing material is suspended along the back surface of an openable and closable curtain that forms the front surface of the top of the pachinko machine island.

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