JP4478698B2 - Hinge structure of opening and closing body in gaming machine - Google Patents

Description

  The present invention relates to a hinge structure in which an opening / closing body can be easily pivotally supported with respect to a mounting body, and more particularly to a hinge structure of a front frame in a gaming machine.

  Conventionally, in a pachinko gaming machine, for example, as a gaming machine, a front frame is pivotally supported by a hinge portion so as to be openable and closable with respect to the machine frame for inspection and repair of various gaming machines. In addition, it is pivotally supported so that the front frame can be removed from the machine frame as required.

  By the way, the conventional hinge structure of the front frame has, for example, a lower hinge shaft projecting upward from the lower fixing bracket of the machine frame and a shaft hole provided in the upper fixing bracket, while a shaft hole is provided in the lower movable bracket of the front frame. The upper hinge shaft protrudes downward from the upper movable bracket, and the front frame can be opened and closed by simultaneously fitting the upper and lower hinge shafts into the respective shaft holes while lifting the front frame upward. It was configured to support.

  However, in such a hinge structure, the upper and lower hinge shafts and the shaft holes must be aligned at the same time while supporting the weight of the front frame, which is very difficult and dangerous for one person to do the work. It was accompanied by.

  For this reason, recently, various hinge structures have been proposed so that the front frame can be easily assembled to the machine frame. As an example, for example, as disclosed in Japanese Patent Application Laid-Open No. 9-47555, an upper support shaft protrudes upward on the upper surface of the upper hinge part of the front frame, and horizontally on the lower surface of the upper hinge part of the outer frame. A bearing member having a shaft engagement inlet is fixedly provided so that the upper support shaft of the front frame is fitted from the shaft engagement inlet to the bearing portion of the bearing member, and the shaft engagement inlet is closed by a spring-biased lock member. Thus, there is known one that is configured to pivotally support the front frame so that it can be opened and closed.

  The hinge structure of the front frame described above supports the weight of the front frame when compared with a general hinge structure in which the upper and lower hinge shafts need to be simultaneously fitted in the shaft holes while supporting the weight of the front frame. This is advantageous in terms of physical strength and safety, but it requires a small part such as a lock member and a spring, which increases the number of components and makes the structure complicated. There was a problem that it was expensive.

  The present invention has been made in view of the above-mentioned problems, and its object is to solve the problems of a general hinge structure of the front frame and to attach and remove the front frame to and from the machine frame. It is an object of the present invention to provide a hinge structure of a gaming machine that can be easily and safely, has a simple structure, and is low in manufacturing cost.

  In order to achieve the above object, the invention according to claim 1 is capable of opening and closing the opening / closing body by hinged one side of the opening / closing body to one side of the mounting body by engagement of the support shaft and the shaft hole. A hinge structure of an opening / closing body in a supported gaming machine, wherein a support shaft is provided on the opening / closing body, and a bearing piece in which a shaft hole in which the support shaft can be engaged is formed in the mounting body so that the bearing piece can be displaced vertically. When the bearing piece is displaced downward, the support shaft and the shaft hole are engaged with each other, and the opening / closing body has an opening angle of the opening / closing body with respect to the mounting body being a predetermined angle or less. A blocking means is provided in which a part of the bearing piece is overlapped to prevent upward displacement of the bearing piece.

  According to a second aspect of the present invention, the hinge of the opening / closing body in a gaming machine in which one side of the opening / closing body is hinged to one side of the mounting body by engaging the support shaft and the shaft hole so that the opening / closing body can be opened and closed. The mounting body is provided with a shaft hole, the opening / closing body is provided with a support shaft that can be engaged with the shaft hole, and is provided with a bearing piece that can be displaced in the vertical direction. The support shaft and the shaft hole are engaged with each other in a state of being displaced downward, and further, the mounting body has a part of the bearing piece when an opening angle of the opening / closing body with respect to the mounting body becomes a predetermined angle or less. It is characterized in that there is provided a blocking means for blocking the upward displacement of the bearing piece due to polymerization.

  The bearing piece is provided on either the opening / closing body or the mounting body, and the support shaft and the shaft hole are engaged by moving horizontally with the opening / closing body opened and moving the bearing piece upward. Can do. Preferably, a weight or the like may be provided so that the bearing piece is easily displaced downward by its own weight.

  A guide means for displacing the bearing piece upward when the support shaft and the shaft hole are engaged may be provided, and the support operation of the opening / closing body can be further facilitated. The guide means is preferably provided on the bearing piece or the support shaft.

  The guide means is, for example, a bent piece-shaped guide portion formed by slightly bending the tip of the bearing piece upward, and the bearing piece is displaced upward by contact with the support shaft. Further, the guide means may be formed such that a tapered guide surface is formed at a tip end portion of the support shaft, and the bearing piece is displaced upward when the bearing piece comes into contact with the tapered guide surface. . In addition, you may make it provide the protrusion or recessed part etc. which become a guide means separately, and should just displace this bearing piece upwards by contacting with a bearing piece. Moreover, you may make it displace this bearing piece upwards, when a mounting body or a part of opening-and-closing body contacts a bearing piece.

  The blocking means according to claim 1 or 2 is an upward movement blocking piece that is provided on either the mounting body or the opening / closing body and overlaps with a part of the bearing piece from above. .

  The blocking means for blocking the upward displacement of the bearing piece in the state where the opening / closing body is closed maintains the downward displacement state of the bearing piece, so that the engagement of the hinge is not released for mischief and illegal purposes. In addition, since the support shaft and the shaft hole can be forcibly engaged by the blocking means, there is no problem in engagement.

  The blocking means is, for example, an upward movement blocking piece provided to face above the bearing piece when the opening / closing body is closed. In addition, you may make it provide separately the pressing piece which faces the downward direction of the said upper movement prevention piece in the said bearing piece. Moreover, you may make it press the pressing piece hung on the bearing piece directly with an opening-closing body or a mounting body as a blocking means.

  The “support shaft” referred to in the present invention is a rotation shaft that rotatably supports a front frame that is an opening / closing body with respect to a machine frame that is a mounting body. Therefore, it is not limited to the shape and length, and may be polygonal or piece-like. In this case, the shaft hole that naturally engages with the support shaft is preferably a circular hole. In addition, “displaceable in the vertical direction” here means that it can move in the vertical direction, and may be movable up by a guide frame or a guide groove. Good. At this time, the installation direction of the upper moving shaft is not limited and may be a vertical direction or a horizontal direction.

  It is preferable to set the upward movement range (displacement difference) of the bearing piece to be smaller than the length of the hinge shaft of the other hinge part. Since the length is long, the connection of the hinge part is not released, and the opening / closing body does not come off, causing injury or damage to the opening / closing body.

  Moreover, it is preferable to provide a guiding means for guiding the support shaft to the shaft hole. The guide means is a guide piece which is provided on the mounting side of the bearing piece and overlaps with the bearing piece and which forms a notch hole which matches the shaft hole provided in the bearing piece and opens toward the edge. Yes, the support shaft can be engaged with the shaft hole by pushing the support shaft along the cut hole from the opening. The guiding means is a concave groove formed on the lower surface of the bearing piece and communicating with the shaft hole.

  According to the above invention, since the bearing piece in which the support shaft or the shaft hole is formed is provided so as to be freely displaceable in the vertical direction, it is moved horizontally with the front frame opened, and only the bearing piece is moved upward to move the support shaft. The opening / closing body can be pivotally supported on the mounting body so as to be freely opened and closed by a simple operation of simply inserting it into the shaft hole.

  It should be noted that the hinge structure of the present invention may be provided at least on either one of the upper and lower hinge portions, or may be provided on both the upper and lower sides.

  As described above, in the hinge structure according to the present invention, the bearing piece formed with the support shaft or the shaft hole is provided so as to be displaceable in the vertical direction, so that the front frame is moved horizontally with the front frame opened. By simply engaging the support shaft and the shaft hole without lifting the front frame, the front frame can be easily pivoted to the machine frame so that the front frame can be opened and closed. It will not accidentally come off and the operator will not be injured or the front frame will be damaged.

  In addition, since the restricting means for preventing the bearing piece from moving up when the front frame is closed is provided, it is possible that the engagement between the support shaft and the shaft hole is released by moving the bearing piece unnecessarily. Absent. Further, the structure is extremely simple and the production cost can be greatly reduced.

  Next, a hinge structure of a gaming machine according to the present invention will be described with reference to the drawings, taking a front frame in a pachinko gaming machine as an embodiment. FIG. 1 is a front view of a pachinko gaming machine, FIG. 2 is a perspective view of the pachinko gaming machine shown with the front frame opened, and FIG. 3 is a perspective view showing a shaft support state of the machine frame and the upper part of the front frame. In the figure, 1 is a machine frame of a pachinko gaming machine as a mounting body, and 2 is a front frame as an opening / closing body which is provided on the front surface of the machine frame 1 via an upper and lower hinge portion 3a, 3b. A game board 5 is detachably attached to the back surface of the front frame 2 via a game board mounting frame 4, and a glass door frame 6 that allows the game board 5 to be visually recognized on the front surface of the front frame 2 and below the glass door frame 6. A front plate 7 is mounted so as to be openable and closable, and a hitting ball supply tray 8 is attached to the front surface of the front plate 7. Further, at the lower part of the front frame 2, there are provided an extra ball receiving tray 9 for storing pachinko balls overflowing from the hitting ball supply tray 8 and an operation handle 10 for adjusting the resilience of the pachinko balls. In the present embodiment, the machine frame 1 and the front frame 2 are made of synthetic resin, and the game board mounting frame 4 is integrally formed on the front frame 2.

  A mechanism plate 11 serving as an opening / closing body, which is positioned on the rear surface of the game board 5 on the back surface of the front frame 2 and is formed in a square shape with synthetic resin with the front frame 2 as a mounting body, is provided by upper and lower hinges 12, 12. It is attached so that it can be opened and closed. A window hole 18 is formed substantially at the center of the mechanism plate 11, and a sphere tank 13 is fixed to the upper part of the window hole 18, and a tank rail 14 is provided below the sphere tank 13. Further, the downstream end of the tank rail 14 is connected to a ball dispensing device 16 via a bent rail 15, and a discharge rod 17 that guides the discharged pachinko ball to the hitting ball supply tray 8 below the ball dispensing device 16. Is provided.

  The machine frame 1 is formed in a rectangular frame shape, and an upper fixing bracket 19 is fixed to the outer upper corner as a reinforcing bracket. The upper fixing bracket 19 is formed by bending a metal plate into an L shape, with the horizontal plate portion 20 along the upper surface of the machine frame 1 and the other vertical plate portion 21 along the outer surface of the machine frame 1. Each is fixed with screws 22.

  As shown in FIGS. 3 and 4, the upper hinge portion 3 a includes a support shaft 23 that protrudes integrally upward from a protrusion formed on the upper front surface of the front frame 2 and serves as a hinge shaft, and the support shaft 23. And a bearing piece 25 in which a rectangular shaft hole 26 is formed. The shaft hole 26 may be a circular hole that matches the support shaft 23 as a matter of course. The bearing piece 25 is pivotally supported by an upper moving shaft 24 that protrudes above the horizontal plate portion 20 so as to protrude forward of the machine casing 1 so as to be vertically displaceable in a vertical plane. As shown in FIG. 4, the upper moving shaft 24 has a screw hole 29 in the center and a shaft portion 30 on which the bearing piece 25 can move upward. A flange 31 that restricts movement is formed.

  Further, as a guiding means for facilitating the connection of the hinge portion 3a, a guide piece 27 that overlaps with the bearing piece 25 protrudes from the horizontal plate portion 20, and the guide piece 27 matches the shaft hole 26 and expands forward. A cut hole 28 having an open opening is formed. The bearing piece 25 is formed with an insertion hole 32 for the upper moving shaft 24, and the insertion hole 32 has a slightly larger diameter than the shaft portion 30 of the upper moving shaft 24. Further, the front end of the bearing piece 25 is bent slightly upward to form a guide portion 39 as a guide means, and further, restricting pieces 34 and 34 are provided so as to sandwich the guide piece 27 on both sides. The rotation of the bearing piece 25 in the horizontal plane is prevented. Reference numeral 33 denotes an upward movement preventing piece provided as a blocking means on the front frame 2, which is located above the bearing piece 25 when the front frame 2 is closed to prevent the upward movement of the bearing piece 25. 25 to maintain the downward movement state of the shaft 25 so that the shaft hole 26 and the support shaft 23 are not disengaged. In addition, although the guide means bent the front end of the bearing piece 25 slightly upward to form the guide portion 39, the lower surface of the front end of the bearing piece 25 may be formed as an inclined surface.

  The bearing piece 25 is inserted into the insertion hole 32 through the shaft portion 30 of the upper moving shaft 24 and the upper moving shaft 24 is screwed to the machine frame 1 so as to overlap with the guide piece 27, so that the collar portion 31. And is prevented from rotating in the horizontal plane by the restricting pieces 34, 34, and is always mounted on the shaft portion 30 so as to be movable upward while being positioned downward by its own weight. At this time, the back end of the notch hole 28 of the guide piece 27 coincides with the shaft hole 26. Of course, the shaft hole 26 may be a circular hole that matches the support shaft 23. The bearing piece 25 may be formed of a synthetic resin or a metal, and may always be positioned below due to its own weight.

  The attaching means of the upper moving shaft 24 is not limited to the screw S attachment, but forms one or more leg pieces elastically provided by providing a slit from the tip portion to the center portion of the shaft portion 30; You may make it provide a latching claw in the front-end | tip of this leg piece. Then, the elastically imparted leg piece is inserted into the insertion hole 32 of the bearing piece 25 and penetrates through the upper plate of the machine frame 1 so that the locking claw is locked to the back surface of the upper plate. Can be attached in a vertical motion with one touch. Although the bearing piece 25 can be moved up by the upper moving shaft 24, it can be moved up by a guide frame or a guide groove.

  On the other hand, as shown in FIG. 5, the lower hinge portion 3b has a hinge shaft 36 protruding from the upper surface of the lower fixing bracket 35 fixed to the lower portion of the machine frame 1 and a lower movable portion fixed to the lower portion of the front frame 2. The shaft hole 38 is formed in the metal fitting 37. The tip of the hinge shaft 36 is tapered so that it can be easily inserted into the shaft hole 38, and the length of the hinge shaft 36 is set longer than the support shaft 23. The combination of the lower hinge portion 3b may be reversed, and a shaft hole 38 is formed in the lower fixing bracket 35, and the hinge portion 36 is suspended from the lower surface of the lower movable bracket 37 so that the hinge The shaft 36 may be engaged with the shaft hole 38. Further, the rear surface of the side edge of the front frame 2 is notched in a tapered shape so that the front frame 2 can rotate about the support shaft 23 and the hinge shaft 36 as rotation axes.

  The hinge structure according to the present invention is configured as described above. In order to pivotally support the front frame 2 on the machine frame 1, first, as shown in FIG. The lower hinge portion 3 b is linked by fitting from above the 35 hinge shafts 36, and the lower portion of the front frame 2 is supported by the machine frame 1. In this state, with the front frame 2 opened at an arbitrary angle with respect to the machine frame 1 as shown in FIG. 8 (a) solid line and FIG. 9 (a) solid line, the front frame 2 is placed horizontally as shown by the chain line in FIG. The support shaft 23 is moved to be positioned at the opening of the notch hole 28 of the guide piece 27 and is brought into contact with the guide portion 39 of the bearing piece 25 so as to press and move in the direction of the upper moving shaft 24. Then, as shown by the chain line in FIG. 9 (a), the support shaft 23 pushes up the guide portion 39 of the bearing piece 25, thereby moving up in a state in which horizontal rotation is prevented by the regulating pieces 34, 34, The support shaft 23 moves along the cut hole 28 and is guided to the shaft hole 26. Then, as shown in FIGS. 8B and 9B, the bearing piece 25 moves down by its own weight when the contact with the support shaft 23 is released, and the shaft hole 26 is inserted into the support shaft 23 so that the upper hinge is inserted. The part 3a is connected, and the front frame 2 is pivotally supported by the machine frame 1 so as to be opened and closed with the support shaft 23 and the hinge shaft 36 as fulcrums. At this time, since the bearing piece 25 is moved upward by the guide means (guidance part 39), the front frame 2 can be supported by both hands and moved horizontally, and the machine frame 1 can be moved to the machine frame 1 with one touch with a safe and reliable operation. Can be installed.

  Further, when the front frame 2 is rotated in the direction of the arrow (closed direction) in FIG. 8B, the upper movement preventing piece 33 is positioned so as to face a part of the bearing piece 25 as shown in FIGS. Then, they are superposed to prevent the bearing piece 25 from moving upward in the direction of removal, and the bearing piece 25 is maintained in a downwardly displaced state. For this reason, the shaft hole 26 of the engaged bearing piece 25 is not unnecessarily detached from the support shaft 23. Even if the bearing piece 25 is not displaced well by its own weight, the bearing piece 25 can be forcibly moved downward by the upper movement preventing piece 33 to engage the shaft hole 26 and the support shaft 23. Can solve the problem. At this time, it is preferable to form the lower surface of the upper movement preventing piece 33 in a tapered shape so that the bearing piece 25 can be easily pressed.

  In addition, when the front frame 2 is opened, even if the front frame 2 may be moved up by mistake, the front frame 2 only makes contact with the lower surface of the guide piece 27 and the support shaft 23 of the hinge portion 3a. The connection with the shaft hole 26 is not unnecessarily disconnected, and the front frame 2 can be reliably opened and closed.

  Further, in order to remove the front frame 2 from the machine frame 1, an arbitrary angle of the front frame 2 with respect to the machine frame 1 (an angle at which the upper movement prevention piece 33 shown in FIG. 8B does not overlap with the bearing piece 25. The bearing piece 25 is moved upward with a finger while maintaining the open state, and the engagement between the support shaft 23 and the shaft hole 26 is released. Then, the front frame 2 can be easily detached by releasing the linkage of the hinge portions 3a by horizontally moving the support shaft 23 along the cut holes 28.

  Thus, since the bearing piece 25 provided with the shaft hole 26 is provided so as to be freely movable, when the front frame 2 is mounted on the machine frame 1, the support shaft 23 is simply moved horizontally toward the bearing piece 25. The shaft hole 26 can be engaged and supported by a simple operation, and the efficiency of the work of assembling the front frame 2 to the machine frame 1 is greatly improved. Even if the bearing piece 25 of the upper hinge portion 3a is exposed in a state where the front frame 2 is closed, the upper movement preventing piece 33 is overlapped with a part of the bearing piece 25 and the upper movement of the bearing piece 25 is moved. Since the player cannot move the bearing piece 25 upward, the front frame 2 is not removed for mischief or illegal purposes.

  Although the guide portion 39 is provided at the front end of the bearing piece 25, the guide portion 39 may be provided at the side of the bearing piece 25 protruding forward of the machine frame 1, and accordingly, the guide piece 27 What is necessary is just to open so that the cut hole 28 may also open to the same side. Further, the guide piece 27 may be formed integrally with the bearing piece 25 so as to be displaceable in the vertical direction. When the front frame 2 is opened, the front frame 2 is erroneously moved up. Even if this happens, the bearing piece 25 only moves up together with the support shaft 23, so that the linkage of the hinge portion 3a is not disengaged, and the front frame 2 can be reliably opened and closed. Further, as the guide means, the upper portion of the support shaft 23 may be formed as a tapered guide surface, and the bearing piece 25 may be moved upward by contacting the bearing piece 25. At this time, the guide portion 39 may not be provided in the bearing piece 25. The guide means is not necessarily provided, and the bearing piece 25 may be lifted and engaged by hand operation when the support shaft 23 and the shaft hole 26 are engaged.

  In the above-described embodiment, the upper moving shaft 24 of the bearing piece 25 protrudes in the vertical direction. However, the bearing piece 25 may be pivotally supported with the upper moving shaft 24 as a horizontal axis. Needless to say. 10 to 15 show an embodiment in which the bearing piece 25 is pivotally supported by a horizontal axis so as to be movable upward. Note that the same components as those in the above embodiment will be described with the same reference numerals. In this embodiment, the bearing piece 25 is formed in an L shape along the corner of the machine frame 1, and an insertion hole 32 through which the cylindrical shaft 42 that is the upper moving shaft is inserted is formed in the L-shaped piece 25 a. The other side piece 25b is formed with a projecting piece 43 projecting forward of the machine frame 1 and a presser piece 40 hanging down along the front surface of the machine frame 1. The projecting piece 43 is provided with a long hole-like shaft hole 26 extending in a direction orthogonal to the virtual plane obtained by enlarging the machine casing 1 and guiding the support shaft 23 to the shaft hole 26. A concave groove 41 communicating from the front end to the shaft hole 26 is formed on the lower surface of the protruding piece 25b. Further, the presser piece 40 serves as the upward movement preventing piece 33 as the blocking means in the above embodiment, and when the front frame 2 is closed, the presser piece 40 is pressed by the front frame 2 and the upper side of the bearing piece 25. The movement is blocked, and the state where the bearing piece 25 is displaced downward is maintained.

  The bearing piece 25 is inserted into the insertion hole 32 through the cylindrical shaft 42, is positioned below the groove 1 a, penetrates the side plate of the machine frame 1, and is prevented from being removed by an E-ring. As a fulcrum, it is attached so as to be rotatable in the vertical direction. At this time, the upward movement range of the bearing piece 25 is regulated by the groove portion 1 a carved in a step shape in the machine frame 1. On the other hand, the support shaft 23 provided on the front frame 2 side is formed with a tapered guide surface 23a on the upper portion, and serves as a guide means for making the bearing piece 25 easy to move upward. The support shaft 23 is set shorter than the hinge shaft 36 and the upward movement range of the bearing piece 25 is set smaller than the length of the hinge shaft 36. Further, without forming the groove portion 1a in the machine frame 1, as shown in FIG. 16, the horizontal plate portion 20 of the upper fixing bracket 19 is provided with a groove 19a, and the bearing piece 25 is positioned below the groove 19a. You may make it axially attachable and freely movable.

  In order to pivotally support the front frame 2 on the machine frame 1 by the upper hinge portion 3a having the above-described configuration, the hinge shaft 36 and the shaft hole 38 of the lower hinge portion 3b are first connected in the same manner as in the above embodiment. Next, as shown in FIGS. 14 (a) and 15 (b), the support shaft 23 is formed on the lower surface of the projecting piece 25b with the front frame 2 opened at an arbitrary angle with respect to the machine frame 1. The taper-shaped guide surface 23a of the support shaft 23 is brought into contact with the projecting piece 25b so as to face the concave groove 41, so that the bearing piece 25 moves upward with the cylindrical shaft 42 as a fulcrum as shown in FIG. To do. Then, as shown in FIG. 14B, the support shaft 23 is guided to the long hole-shaped shaft hole 26 by the concave groove 41 and the support shaft 23 and the shaft hole 26 are engaged with each other, and at the same time, the bearing piece 25 is lowered by its own weight. The front frame 2 is pivotally supported with respect to the machine frame 1 by being displaced. At this time, since the shaft hole 26 is formed in a long hole shape, the bearing piece 25 is surely displaced downward in a state where the support shaft 23 is inserted into the deep hole.

  When the front frame 2 is rotated in the closing direction indicated by the arrow in FIG. 14B in this state, the pressing piece 40 is pressed by the rear surface of the front frame 2 as shown in FIGS. 12 and 13. The bearing piece 25 is prevented from moving upward and is kept displaced downward, so that the shaft hole 26 does not come off from the support shaft 23, and the bearing piece 25 is moved upward to be disengaged from the support shaft 23 by mischief. Can be completely prevented. Moreover, even if the bearing piece 25 is not completely lowered, the bearing piece 25 is forcibly moved downward by pressing the presser piece 40 so that the support shaft 23 and the shaft hole 26 are securely engaged. Can be pivoted together. At this time, the support shaft 23 is held on the most front side of the long hole-shaped shaft hole 26 and does not rattle in the front-rear and left-right directions.

  Further, when the front frame 2 is opened, even if the front frame 2 may be moved up by mistake and the bearing piece 25 is moved up, the support shaft 23 of the upper hinge portion 3a is engaged with the shaft hole 26. Since the support shaft 23 and the shaft hole 26 are not disconnected from each other in order to move together, and the upper moving range of the bearing piece 25 is smaller than the hinge shaft 36 of the lower hinge portion 3b, the engagement of the lower hinge portion 3b. The front frame 2 can be opened and closed without fail.

  Further, in order to remove the front frame 2 from the machine frame 1, the front frame 2 is opened at an arbitrary angle with respect to the machine frame 1, and the bearing piece 25 is moved up with a finger while maintaining the open state to support the spindle. By removing the shaft hole 26 from 23, the linkage of the hinge 3a can be released and the front frame 2 can be easily removed.

  In the above-described embodiment, the support shaft 23 is provided on the front frame 2 side and the shaft piece 26 is provided on the other machine frame 1 side. However, the support shaft 23 and the shaft hole 26 are provided. These relationships may be reversed, and the embodiment is shown in FIGS. The main difference from the above embodiment is that the relationship between the support shaft and the shaft hole is reversed and that the bearing piece is detachable. Therefore, the same components will be described with the same reference numerals. As shown in FIG. 18, the upper fixing bracket 19 attached to the machine frame 1 has an opening 44 substantially at the center and a plurality of strips 45 formed by slits in front of the opening 44, except for some strips 45. A shaft tube portion 46 is formed by curving the strip 45 and opening the rear side. Further, a shaft piece portion 47 as a support shaft is bent and suspended at the front end of the bearing piece 25, and a presser piece 40 serving as an upward movement preventing means is bent at the side and provided horizontally, and the rear end is provided. Further, a rotating shaft portion 48 that meshes with the shaft tube portion 46 is formed with the front opened. The shaft piece portion 47 has a width substantially equal to the diameter of a shaft tube hole 49 as a shaft hole described later, and a side end in the width direction is formed as a tapered tapered guide surface 47a as a guide means. The shaft piece 47 of the bearing piece 25 may be bent in the thickness direction to serve as guide means. Needless to say, the shaft piece 47 may be a shaft-pin support shaft.

  In order to pivotally support the bearing piece 25 so as to be movable upward, first, the rotating shaft portion 48 of the bearing piece 25 faces the opening 44 as shown in FIGS. 21. First, as shown in FIG. 21 (c), the rotating shaft portion 48 is slid and meshed with the shaft tube portion 46, whereby the shaft tube portion 46 and the rotating shaft portion 48 are moved as shown by the chain line in FIG. The bearing piece 25 can be pivotally supported as an upper moving shaft so as to be movable upward. At this time, the downward movement of the bearing piece 25 is regulated by the strip 45 that does not form the shaft tube portion 46 and is supported in a substantially horizontal state. The upward movement support structure of the bearing piece 25 is not limited to the above-described embodiment, and any structure may be used as long as the bearing piece 25 is supported so as to be movable upward. It is good also as a hinge shape mounted | worn freely.

  On the other hand, as shown in FIG. 18, the front frame 2 is formed with a cylindrical shaft tube hole 49 as a shaft hole into which the shaft piece portion 47 is inserted, and faces the upper side of the presser piece 40 and the bearing piece 25. An upward movement blocking piece 33 is formed as a blocking means for blocking the upward movement. The lower surface of the upper movement preventing piece 33 is formed in a taper shape.

  In order to link the hinge structure having the above configuration, the shaft hole 38 of the lower movable metal fitting 37 is fitted to the hinge shaft 36 of the lower fixing metal fitting 35 from above, and the lower portion of the front frame 2 is supported by the machine frame 1. In this state, the upper part of the front frame 2 is moved horizontally so that the shaft piece 47 is brought into contact with the side surface of the shaft tube hole 49 as shown in FIGS. 22 (a) and 23 (a). As shown in FIG. 23 (a) chain line and FIG. 23 (a) chain line, when pressed and moved in the direction of the machine frame 1, the tapered guide surface 47a of the shaft piece 47 comes into contact with each other, and as shown in FIG. Thus, the bearing piece 25 moves up. Then, the shaft piece portion 47 is fully moved up and guided to the shaft tube hole 49, and the bearing piece 25 is moved down by its own weight as shown in FIGS. The front frame 2 is rotatably fitted to the machine frame 1 by being inserted into the tube hole 49. At this time, since the bearing piece 25 is moved down by its own weight and the shaft piece portion 47 is fitted into the shaft tube hole 49, the shaft piece portion 47 is detached from the shaft tube hole 49 unless an operation for arbitrarily removing the bearing piece 25 is performed. There is no. Accordingly, since the front frame 2 is not accidentally detached and the operator is not injured or damaged, the front frame 2 can be opened and closed with a sense of security.

  Then, as shown in FIG. 22B, when the front frame 2 is turned in the closing direction, the upper movement prevention piece 33 faces the upper side of the presser piece 40, and the bearing piece 25 is displaced upward. Is maintained and the state displaced downward is maintained. For this reason, the movement in the removal direction in which the shaft piece portion 47 is detached from the shaft tube hole 49 is reliably restricted, and the bearing piece 25 may move upward as shown in FIG. 20 in the state where the front frame 2 is closed. Therefore, the linkage of the hinge portion 3a will not be removed, and the player will not remove the linkage of the hinge portion 3a for mischief or improper purposes.

  Further, in order to remove the mounted front frame 2 from the machine frame 1, the front frame 2 is opened at an arbitrary angle with respect to the machine frame 1 in a state where the upper movement prevention piece 33 is removed from the overlapped state of the presser piece 40. By operating the bearing piece 25 by hand, the bearing piece 25 is moved upward with the shaft tube portion 46 as a rotation shaft, as shown in FIG. 23B, and the shaft piece portion 47 is removed from the shaft tube hole 49. The front frame 2 can be easily removed by releasing the connection of the upper hinge portion 3a.

  The embodiments of the present invention have been described with reference to the drawings. However, the present invention is not limited to the illustrated embodiments, and other embodiments are possible within the spirit thereof and are listed below. First, in the embodiment described above, the hinge structure is described in which the bearing piece 25 is provided on the machine frame 1 side. However, the bearing piece 25 may be provided on the front frame 2 side so as to be displaceable in the vertical direction. At this time, it goes without saying that the support shaft 23 may be provided on the bearing piece 25 or the shaft hole 26 may be provided as shown in the embodiment.

  Further, in order to ensure the downward movement of the bearing piece 25 by its own weight, it is preferable that the bearing piece 25 is provided with a weight or the like to facilitate the downward movement.

  In the above-described embodiment, the hinge structure of the upper hinge portion 3a has been described. However, the present invention is not limited to the upper hinge portion 3a, and at least one hinge structure of the upper and lower hinge portions 3a, 3b is not limited to the above embodiment. The hinge structure shown in the embodiment may be used, and both the upper and lower hinge portions 3a and 3b may be the hinge structure shown in the embodiment. That is, the front hinge 2 may be moved horizontally to connect the upper hinge portion 3a (lower hinge 3b) which is the structure of the present invention. For example, as shown in FIG. 24, the upper and lower hinge portions 3a and 3b of the first embodiment shown above are shown as being replaced upside down. The difference is that the bearing piece 25 is provided on the front frame 2 side and the guide portion 39 of the bearing piece 25 is provided on the side, and the lower moving bracket 37 is used as a guide piece and the cut hole 28 is directed sideways. It is a point opened. Reference numeral 50 denotes an upward movement blocking piece as blocking means provided on the lower fixing bracket 35. First, the hinge shaft 36 and the shaft hole 38 of the upper hinge part 3a are connected, and then the lower part of the front frame 2 is horizontally moved so that the opening of the cut hole 28 is positioned on the support shaft 23 of the lower hinge part 3b. The piece 25 is pressed and moved in contact with the guide portion 39 of the piece 25. Then, when the support shaft 23 pushes the guide portion 39 of the bearing piece 25, the bearing piece 25 moves up, and the support shaft 23 moves along the cut hole 28 and is guided to the shaft hole 26. When the contact piece 25 is released from contact with the support shaft 23, the bearing piece 25 moves downward by its own weight, the shaft hole 26 is fitted into the support shaft 23, the lower hinge portion 3b is connected, and the support shaft 23 and the hinge shaft 36 are supported. The front frame 2 is pivotally supported by the machine frame 1 so as to be openable and closable. At this time, the front frame 2 is provided with a cut K or a hollow portion in a range in which the bearing piece 25 can move up. Then, when the front frame 2 is rotated in the closing direction, a part of the bearing piece 25 is superposed and positioned so as to face the lower part of the upper movement preventing piece 50, and the upper side in the direction in which the bearing piece 25 is removed. The movement is prevented and the downward displacement state is maintained. For this reason, the shaft hole 26 of the engaged bearing piece 25 is not unnecessarily detached from the support shaft 23. The upper and lower hinge portions 3a and 3b are provided at the upper and lower ends of the front frame 2. However, the present invention is not limited to this position and may be provided at an intermediate position of the front frame 2.

  Further, the support shaft 23 is not limited to the shape and length shown in the above embodiment, and may be, for example, polygonal or hollow.

  In addition, guide means for displacing the bearing piece upward when the support shaft and the shaft hole are engaged is provided on the bearing piece 25 or the support shaft 23 (shaft piece portion 47). There is no need, and a protrusion or a recess for moving the bearing piece 25 upward by contacting the bearing piece 25 may be provided separately.

  The machine frame 1 and the front frame 2 are not limited to being made of synthetic resin, but may be formed by die-casting or injection using a metal or a metal plate by a punching die or a bending die, or by a light alloy such as an aluminum alloy or a magnesium alloy. It is good also as a thing with light weight and high dimensional accuracy by forming (Thixso molding method). In this case, the machine casing 1 and the upper fixing bracket 19 may be integrally formed.

  In the above-described embodiment, the front frame 2 is made of synthetic resin and the support shaft 23 is formed integrally with the front frame 2. However, the movable metal fitting protruding from the support shaft 23 is formed separately. The movable bracket may be attached to the front frame 2.

  In the above-described embodiment, the hinge structure has been described in which the machine frame 1 is mounted as the mounting body and the front frame 2 is mounted as the opening / closing body. However, for example, the mounting body is used as the front frame 2 and the opening / closing body is mounted on the back surface of the front frame 2. As the mechanism plate 11, the hinge portions 12, 12 are connected to each other by horizontally moving the mechanism plate 11 with the hinge portions 12, 12 that attach the mechanism plate 11 to the front frame 2 so as to be detachable and turnable. You may do it.

  Further, in the embodiment, a pachinko gaming machine has been described as an example of a gaming machine, but the present invention is mounted on other gaming machines such as a sparrow ball gaming machine, an arrangement ball gaming machine, and a revolving gaming machine (slot). Needless to say, the present invention can also be applied to a hinge portion of an opening / closing body such as a front frame.

  Furthermore, the hinge structure of the present invention is not limited to a gaming machine, and can be widely applied to an apparatus in which an opening / closing body such as a door is detachably mounted on the mounting body. A hinge structure that supports the openable / closable body by opening / closing the openable / closable body by opening and closing the openable body by engaging the support shaft and the shaft hole. Provided on the other side is a bearing piece provided with a shaft hole or a support shaft that can be engaged with the support shaft or the shaft hole so as to be freely displaceable in the vertical direction. Can be engaged with each other. Preferably, a blocking means for blocking the upward movement of the bearing piece when the opening / closing body is closed is provided.

It is a front view of a pachinko gaming machine. It is a perspective view of the pachinko gaming machine shown with the front frame opened. It is a perspective view which shows the axial support state of the upper hinge part of a machine frame and a front frame. It is a disassembled perspective view of an upper hinge part. It is a perspective view which shows the axial support state of the lower hinge part of a machine frame and a front frame. It is a top view of the state which supported the front frame on the machine frame. It is principal part sectional drawing of an upper hinge part. (A), (b) is operation | movement explanatory drawing which pivotally supports a front frame on a machine frame. (A), (b) is operation | movement explanatory drawing which pivotally supports a front frame on a machine frame. It is a perspective view which shows the axial support state of the bearing piece of other embodiment. It is a disassembled perspective view of FIG. It is a top view of FIG. It is principal part sectional drawing of FIG. (A), (b) is an operation explanatory view. (A), (b) is an operation explanatory view. It is a perspective view which shows the axial support state of other embodiment. It is a perspective view which shows the axial support state of the bearing piece of other embodiment. FIG. 18 is an exploded perspective view of FIG. 17. It is a top view of FIG. It is principal part sectional drawing of FIG. (A)-(c) is explanatory drawing which shows linkage of a bearing piece. (A), (b) is an operation explanatory view. (A), (b) is an operation explanatory view. It is a disassembled perspective view which shows the axial support state of the machine frame and front frame of other embodiment.

Explanation of symbols

1 Machine frame (mounted body)
2 Front frame (opening / closing body, mounting body)
3a Upper hinge portion 3b Lower hinge portion 11 Mechanism plate (opening / closing body)
12 Hinge tool 23 Support shaft 23a Guide surface (guide means)
24 Upper moving shaft 25 Bearing piece 26 Shaft hole 27 Guide piece (guidance means)
33 Upper motion blocking piece (blocking means)
36 Hinge shaft 38 Shaft hole 39 Guide part (guide means)
40 Presser piece (blocking means)
41 Concave groove (guidance means)
42 Tubular shaft 46 Shaft tube portion 47 Shaft piece (support shaft)
47a Guide surface (guide means)
48 Rotating shaft 49 Shaft tube hole (shaft hole)

Claims (3)

A hinge structure of an opening / closing body in a gaming machine in which one side of the opening / closing body is hinged to one side of the mounting main body by engaging a support shaft and a shaft hole so that the opening / closing body can be opened and closed,
The opening / closing body is provided with a support shaft, and the mounting body is provided with a bearing piece formed with a shaft hole in which the support shaft can be engaged so as to be vertically displaceable, and the support shaft is displaced in the downward direction. And the shaft hole are engaged with each other,
Furthermore, the opening / closing body is provided with a blocking means for preventing a part of the bearing piece from overlapping when the opening angle of the opening / closing body with respect to the mounting body is equal to or smaller than a predetermined angle and preventing the displacement of the bearing piece upward. A hinge structure of an opening / closing body in a gaming machine. A hinge structure of an opening / closing body in a gaming machine in which one side of the opening / closing body is hinged to one side of the mounting main body by engaging a support shaft and a shaft hole so that the opening / closing body can be opened and closed,
A shaft hole is provided in the mounting body, a support shaft that can be engaged with the shaft hole is formed in the opening / closing body, and a bearing piece that can be displaced in the vertical direction is provided. The support shaft and the shaft hole are engaged,
Further, the mounting main body is provided with a blocking means for preventing a part of the bearing piece from overlapping when the opening angle of the opening / closing body with respect to the mounting main body is equal to or smaller than a predetermined angle and preventing the displacement of the bearing piece upward. A hinge structure of an opening / closing body in a gaming machine.   The blocking means according to claim 1 or 2 is an upward movement blocking piece that is provided on either the mounting body or the opening / closing body and overlaps with a part of the bearing piece from above. A hinge structure of an opening / closing body in a gaming machine.