JP4162895B2 - Hinges for gaming machines - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hinge device that is disposed between a base member and an opening / closing member and connects the base member and the opening / closing member so as to be relatively swingable and openable.
[0002]
[Prior art]
The hinge device as described above is widely used in gaming machines, and an example thereof is a hinge device disposed between an outer frame and a front frame in a pachinko machine. A hinge device of a pachinko machine is composed of a pair of upper and lower hinge devices arranged on the front left and right sides of an outer frame having an outer opening and an opening / closing front frame adapted to the opening surface area. As shown in FIG. 13, each of the upper and lower hinge devices includes a first hinge member 800 in which a shaft support hole 802 is formed in a first plate-like portion 801 arranged horizontally, and a second hinge arranged horizontally. The second hinge member 805 is fixedly provided with a support shaft 807 protruding upward from the plate-like portion 806. In the pair of upper and lower hinge devices having such a configuration, the support shaft 807 is fitted into the shaft support hole 802 to connect the first and second hinge members 800 and 805 horizontally and relatively rotatably, so that the outer frame On the other hand, the front frame is configured to support the swingable opening / closing and detachable.
[0003]
However, in the conventional hinge device as described above, when the front frame is to be attached to the outer frame, the shaft support hole 802 and the support shaft 807 of both the upper and lower hinge devices are aligned together (the shaft There was a problem that it was not easy to work because it had to be engaged (with the hearts aligned). In particular, when mounting in a game facility, the outer frame is fixed to the game island and cannot be moved, and the front frame is incorporated with a game board, a back mechanism board, a control device, etc. For example, since the hinge device is located on the side away from the center of gravity position, there is a problem that it is extremely difficult to perform mounting work for positioning the upper and lower two places.
[0004]
In view of such a problem, for example, as shown in FIG. 14, an introduction opening 803 connected to the shaft support hole 802 from the outer surface is formed in the plate-like portion 801 of the first hinge member 800 ′, and the second hinge member 805 is formed. The left and right sides of the support shaft 807 are cut into a flat shape to form flat portions 807a and 807a, and the width of the left and right flat portions 807a and 807a of the support shaft 807 is slightly narrower than the width of the introduction opening 803. It is known. In this configuration, the support shaft 807 can be inserted into the shaft support hole 802 from the side by passing the left and right plane portions 807a and 807a of the support shaft 807 through the introduction opening 803, and in this state, the first and second If the hinge members 800 ′ and 805 ′ are horizontally rotated relative to each other, the left and right plane portions 807 a and 807 a are rotatably held in the shaft support hole 802. According to this configuration, the support shaft 807 can be moved in the lateral direction and fitted into the shaft support hole 802 without aligning the shaft support hole 802 and the support shaft 807 in the vertical direction. The work of attaching the front frame becomes easy.
[0005]
[Problems to be solved by the invention]
However, in this configuration, when the front frame is rotated to a position where the introduction opening 803 of the shaft support hole 802 and the left and right plane portions 807a and 807a of the support shaft 807 face each other, the support shaft 807 is detached from the shaft support hole 802. There is a problem that the front frame comes off.
[0006]
The present invention has been made in view of the above problems and problems, and can easily attach and detach the front frame and the like to the outer frame and the like with a simple configuration, and once it is attached, the rotation thereof It is an object of the present invention to provide a hinge device for a gaming machine that can be firmly held without being removed from the front frame regardless of the position.
[0007]
[Means for Solving the Problems]
  To achieve the objectives by solving the above problems and issues,BookThe hinge device according to the invention is:In a gaming machine configured to include a base member (for example, the outer frame 1 in the embodiment) and an opening / closing member (for example, the front frame 2 in the embodiment) that is attached to the base member so as to be openable and closable. A pair of upper and lower hinge devices for hinge-opening and closing the open / close member so that the lower hinge device is fixed to the lower side of the base member and protrudes horizontally on the upper surface of the lower fixed side plate-like portion A lower fixing member that protrudes upward and has a lower support shaft attached thereto, and a lower shaft support hole that can be fitted to the lower support shaft in a lower swing side plate-like portion that is fixed to the lower side of the opening and closing member and protrudes horizontally. A lower swinging member formed, and the lower swinging member is attached to the lower fixing member from above so that the lower support shaft is fitted into the lower shaft support hole. Hinging the swing member The upper hinge member is fixed to the upper side of the base member, and the upper swinging member is fixed to the upper side of the opening and closing member and is hinged to the upper fixing member. It consists of members. The upper fixing member is fixed to the base member and protrudes horizontally, and a flat plate in which a semicircular shaft support hole and a long hole-shaped guide hole connected to the shaft support hole and extending rearward are formed. In shapeA plate member;A lower lid member that is attached to overlap with at least the lower surface of the shaft support hole and the surrounding portion of the plate member and has a lock hole that is positioned below the shaft support hole; An upper surface adjacent to the rear side of the guide hole is opened to at least one side in the left-right direction to form an introduction portion, and the upper swinging member is fixed to the opening / closing member and extends horizontally forward. A movable side plate-like portion, and an upper support shaft that protrudes downward and attached to the lower surface of the upper swing side plate-like portion, and is formed in the upper support shaft from the lower end surface of the upper support shaft. A lock pin capable of projecting is provided so as to be movable up and down. Further, the lower fixing member and the lower swinging member are hinge-connected, and the lower end surface of the upper support shaft is positioned at a position lower than the upper surface of the plate member in the introduction portion. The upper part of the opening / closing member is moved in the front / rear / left / right direction with the lower fixing member and the lower swinging member hinged to each other, whereby the lock pin is positioned above the lower end surface. The upper support shaft was placed on the upper surface of the plate member in the introduction portion, and further introduced into the guide hole beyond the introduction portion and moved into the shaft support hole along the guide hole. Thereafter, the lock pin is moved downward, the lower end thereof protrudes into the lock hole, the upper support shaft is held in the shaft support hole, and the upper swinging member is hinge-connected to the upper fixing member. Configured as That.
[0008]
  In the hinge device configured as described above, preferably, the upper plate member is attached so as to cover the upper surface of the plate member excluding the introduction portion and the guide hole. Preferably, a front end side plate portion that is bent upward from the introduction portion of the plate member and extends horizontally is formed, and the front portion of the guide hole extends to the front end side plate portion so as to form the shaft support hole. Is formed on the tip side plate portion, and the lower lid member is attached to the lower surface of the tip side plate portion. In the hinge device configured as described above, preferably, the vertical length of the lower support shaft is set longer than the vertical length of the upper support shaft. Preferably, chamfering is provided on the upper surface of the introduction member that is open in the left-right direction of the plate member, and chamfering is provided on the lower end of the upper support shaft over the entire circumference. Preferably, the guide hole is formed in a shape that is wide on the base side and tapered in a tapered shape toward the front. Preferably, a flange portion is provided which is integrally connected to the fixed-side base portion and protrudes forward, and is located above the upper swinging member in a state where the opening / closing member is attached to the base member in a closed state.
[0009]
  According to the hinge device according to the present invention configured as described above, when the front frame is connected to the outer frame, the upper and lower shaft support holes and the support shaft are simultaneously aligned (centered). There is no need for a delicate adjustment operation to be engaged, and for at least one of the hinge devices, the upper support shaft of the upper swinging member is allowed to enter the guide hole from the side from the side of the upper fixing member, Next, the upper support shaft is positioned in the shaft support hole by a simple operation of moving the upper support shaft forward, and is held rotatably without being detached. The upper swinging member and the upper fixing member are hinged. Can be combined.
  In addition, since the plate member of the upper fixing member has a guide hole extending rearward from the shaft support hole, the upper support shaft positioned in the shaft support hole is at least on the front side of the shaft support hole when pulled forward. In contact with the plate member. For this reason, when the opening / closing member is opened, the force acting horizontally on the hinge connecting portion can act on the front portion of the shaft support hole and be received by the plate member, and sufficient strength can be secured.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a hinge device for a gaming machine according to the present invention will be described with reference to the accompanying drawings. In this embodiment, a pachinko machine is taken as an example of a gaming machine, and a case where the present invention is applied to a hinge device that swingably opens / closes and detachably connects a front frame to an outer frame will be mainly described. First, the outline configuration of the pachinko machine PM to which the hinge device according to the present embodiment is applied will be briefly described with reference to FIG.
[0011]
The pachinko machine PM is configured to have an outer rectangular frame size and is formed in the front of the opening of the outer frame 1 that forms a vertically fixed holding frame. Hinge device H arranged on the left and upper left₁, H₂In the closed state engaged with the outer frame 1 by using the locking device 4 provided on the right side of the front, it is provided for the game.
[0012]
Each part of the front frame 2 has a hinge device (not shown) in which a glass door 5 and an upper ball tray 6 are provided on the left side according to the front side area of the front frame 2 as a game development member for developing a pachinko game. Both of them are assembled so that they can be opened / closed and attached / detached side by side, while a lower ball tray 7, an operation handle 8, a hitting ball launching device, and the like are provided below the upper ball tray 6. On the back side of the front frame 2, a game board 9 configured with a predetermined gauge setting is detachably set and held in a storage frame integrally formed with the front frame 2. A back mechanism board (not shown) having a payout mechanism and the like is provided so as to be openable and detachable. Various parts such as a main control board, a terminal board, and an audio board, electronic components, and the like are attached to each part of the back mechanism board, and each device is connected by a wire harness (not shown). Note that the entire pachinko machine PM is held vertically at a required rearward tilt angle (for example, a rearward tilt angle of 1 degree or less).
[0013]
A pair of upper and lower hinge devices H that swingably open and close and detachably connect the outer frame 1 and the front frame 2₁, H₂Of these, the lower hinge device H₂As shown in FIG. 2, the perspective view is composed of a lower fixing bracket 110 fixed to the lower left portion of the outer frame 1 and a lower swing metal fitting 130 fixed to the lower left portion of the front frame 2. The
[0014]
The lower fixing bracket 110 includes a fixed side base 111 fixed to the inner periphery of the outer frame 1, a fixed side plate-like portion 112 that is bent at a right angle and protrudes horizontally forward, and a fixed-side plate-like portion. A support shaft 115 that is fixed to the front end and protrudes upward is formed by punching and bending a steel plate having a predetermined thickness to form the shape shown in the figure, and then fastening a rivet, a screw, and the like to the lower left portion of the outer frame 1 It is fixed using means. The lower fixing bracket 110 is in contact with two orthogonal surfaces (the left inner surface and the upper surface) on the inner side of the outer frame 1 with the outer surface of the fixed side base portion 111 bent at a right angle and the bottom surface of the fixed side plate-like portion 112. In addition to being positioned in the vertical direction, the rear end surface of the fixed-side plate-like portion 112 is in contact with the front surface of the outer frame 2 and is positioned in the front-rear direction. Ax is positioned. Note that the upper end portion of the support shaft 115 is formed in a conical shape to facilitate fitting with a shaft support hole 135 described later.
[0015]
The lower swing metal fitting 130 includes a swing side base 131 fixed to the back side of the front frame 2 and a swing side plate-like portion 132 that is bent at a right angle from the swing side base 131 and protrudes horizontally forward. Thus, a shaft support hole 135 that can be fitted to the support shaft 115 is formed in the front end portion of the swing side plate-like portion 132. The lower swing metal fitting 130 is formed by punching and bending a steel plate of a predetermined thickness in the same manner as the lower fixing metal fitting 110 to form the shape shown in the figure, and then using a fastening means (not shown) such as a screw on the lower left back surface of the front frame 2. And fixed. The lower swing metal fitting 130 is positioned in the front-rear, left-right, and vertical directions by screwing the swing-side base 131 to the back surface of the front frame 2, and the axis of the shaft support hole 135 relative to the front frame 2 is positioned.
[0016]
Lower hinge device H configured in this way₂Is hinge-coupled to the support shaft 115 of the lower fixing bracket by positioning the shaft support hole 135 coaxially from above, moving the front frame 2 downward, and fitting and connecting the support shaft 115 and the shaft support hole 135. The supported surface portion 132 is supported by the support surface portion 112, and the front frame 2 is connected to the outer frame 2 so as to be swingable and openable about the swing axis Ax.
[0017]
Lower hinge device H of such a configuration₂Upper hinge device H provided in combination with₁This embodiment will be described below. This hinge device H₁As shown in FIG. 3, the perspective view is shown in FIG. 3. The upper fixing bracket 10 (first hinge member) fixed to the upper left portion of the outer frame 1 and the upper swing bracket fixed to the upper left portion of the front frame 2. 50 (second hinge member), and the upper fixing bracket 10 and the upper swing bracket 50 are hinge-coupled as will be described later. 3 is a perspective view showing a state before the upper fixing metal fitting 10 and the upper swing metal fitting 50 are hinge-coupled, and a plan view thereof is shown in FIG. FIG. 5 is a perspective view showing the structure of the fixing bracket 10 and the support shaft 54 in detail by disassembling them. In addition, each figure has described in the state which removed the glass door 5 in order to show a hinge apparatus clearly.
[0018]
The upper fixing bracket 10 includes a fixed-side base 11 fixed to the upper left corner of the outer frame 1 and a fixed-side plate-like portion 17 that protrudes horizontally from the fixed-side base 11 toward the front.
[0019]
The fixed base 11 is fixed to an upper side 12 fixed to an upper mounting surface formed on the upper left portion of the outer frame 1, and is fixed to a side mounting surface formed on the left outer surface of the outer frame 1 perpendicular to the upper side 12. Lower side member which comprises the side part 13, the upper side part 12, and the front side part 14 which is orthogonal to the side part 13 and contacts the front end surface of the outer frame 1, and the front side part 14 constitutes the fixed side plate-like part 17. Connected to 30 in one. That is, in the upper fixing bracket 10, after the fixed side base 11 and the lower plate member 30 are integrally formed into a shape shown in the figure by punching and pressing a steel plate having a predetermined plate thickness, the three orthogonal sides 12, 13, 14 is positioned at the upper left corner of the outer frame 1 and is fixed to the outer frame 1 by a rivet 15 or the like.
[0020]
The fixed-side plate-like portion 17 includes the lower plate member 30 integrally formed with the fixed-side base portion 11 as described above, the upper plate member 20 attached to the upper rear portion of the lower plate member 30, and the lower surface of the lower plate member 30. And a lower lid member 40 attached to the section.
[0021]
The lower plate member 30 is integrally formed with the fixed base 11 and is formed from a steel plate having a predetermined plate thickness. The first plate portion 31 extends horizontally forward from the lower end of the front side portion 14, and the front end of the first plate portion 31. From a standing part 32 that is bent at a right angle and extends upward, and a second plate part 33 that is bent at a right angle from the upper end of the standing part 32 and extends horizontally forward, it is formed in a crank shape in a side view as shown in the drawing. The lower plate member 30 is formed with a guide hole 35 penetrating vertically and extending forward and backward. In the plan view, the guide hole 35 is elongated in the front-rear direction, becomes tapered toward the front, and has a semicircular shaft support hole 35a (more precisely, a shaft support hole at the front end located on the second plate member 33). The rear end 35b located on the first plate member 33 is also formed in a semicircular shape.
[0022]
As will be described later, the upper surface (right side in the drawing) of the right front portion of the first plate portion 31 is used as the slide surface 34 on which the support shaft 54 of the upper swing metal fitting 50 slides. A chamfer 34 a for guiding the slide surface 34 is formed at the right end of the slide surface 34. The first plate portion 31 is provided with two screw holes 31a for fixing the upper plate member 20, and the second plate portion 33 is provided with two screw holes 33a for fixing the lower lid member 40 and one screw hole 31a. Two positioning holes 33b are provided.
[0023]
The upper plate member 20 is integrally formed of a resin material or the like, and has a flat plate portion 21 and an outer peripheral rib 22 protruding downward along the outer periphery of the flat plate portion, and two screw insertion holes 23 are formed. Is formed. The upper plate member 20 is attached to the first plate portion 31 of the lower plate member 30 so as to overlap with a screw 39 that is screwed into the screw hole 31a through the screw insertion hole 23 as shown in the figure. When the upper plate member 20 is mounted in this way, it is along the rear half of the left side edge of the guide hole 35 and the left side of the rear end 35b (left side edge and left side in FIG. 4 etc.) and right rear in plan view. It is formed in a shape having side surfaces 24 extending obliquely. Moreover, when attached in this way, the upper surface of the upper board member 20 and the upper surface of the 2nd board part 33 of the lower board member 30 are located on the same plane.
[0024]
For this reason, in a state where the upper plate member 20 is mounted on the first plate portion 31, the guide hole 35 extends upward along the side surface 24 and is opened upward. At the same time, the upper surface of the right front portion of the first plate portion 31 is also opened upward to form a slide surface 34, and the upper portion of the guide hole 35 is located on the side of the side surface 24 of the upper plate member 20 and the slide surface 34. An introduction portion is formed on the upper side of the side opening to the side. As can be seen from this configuration, the introduction portion is sandwiched between the side surface 24 of the upper plate member 20 and the right side surface 32a of the upright portion 32 on the upper side of the slide surface 34, and from the outside of the right side portion to the rear portion of the guide hole 35. It is a connected space.
[0025]
The lower lid member 40 includes a lower surface plate portion 41 having an outer shape substantially the same as the lower surface shape of the second plate portion 33 of the lower plate member 30, and an outer peripheral rib 42 protruding upward along the outer periphery of the lower surface plate portion 41. And two cylindrical bosses 43 projecting upward from the lower surface plate part 41 to form the screw insertion holes 43a, and a cylindrical positioning pin part 44 projecting upward from the upper surface of the front end of the outer peripheral rib 42. And it is integrally formed with the resin material etc. A lock hole 45 penetrating vertically is formed in the center of the lower surface plate portion 41. The lower lid member 40 is fixed to the lower surface of the second plate portion 33 by inserting a screw (not shown) into the screw insertion hole 43 a from the lower surface side and screwing it into the screw hole 33 a of the second plate portion 33. At this time, the positioning pin portion 44 is fitted into the positioning hole 33b, and the lower lid member 40 is mounted and positioned. The lock hole 45 is positioned directly below the shaft support hole 35a formed in the second plate portion 33 in a state where the lower lid member 40 is fixedly provided on the lower surface of the second plate portion 33 in such a manner.
[0026]
On the other hand, an upper swing metal fitting 50 that is hinged to the upper fixing metal fitting 10 is fixed to the back side of the front frame 2, and the upper swing metal base 51 is bent at a right angle from the swing side base 51 and horizontally forward. A steel plate having a predetermined plate thickness formed of a swinging plate-like portion 52 that protrudes and a support shaft 54 (shaft-like body) that is fixed to the front end portion of the swinging side plate-like portion 52 and protrudes downward. A support shaft 54 is attached, and is fixed to the left upper back surface of the front frame 2 with a screw 53. The swinging base 51 is provided with a pair of attachment positioning protrusions 51a. When the front frame 2 is closed to the outer frame 1, an attachment positioning recess (not shown) formed in the outer frame 1 is provided. The protrusion 51a is inserted into the inside and is positioned and held.
[0027]
The support shaft 54 includes a support shaft main body 55 and a lock pin 56. The spindle main body 55 includes a cylindrical portion 55a having a disc-shaped flange portion 55b at the upper end and extending vertically, and a female screw 55c penetrating vertically through the center thereof is formed. A lock pin 56 is attached. The lock pin 56 has a male screw 56b screwed to the female screw 55c on the outer peripheral surface, a cylindrical pin portion 56a formed at the lower end, and a minus driver fastening groove 56c formed at the upper end. Therefore, the lock pin 56 is moved up and down within the female screw 55c of the spindle main body 55 by engaging a minus driver or the like with the fastening groove 56c and rotating the lock pin 56 from the lower end of the spindle main body 55. The portion 56a can be protruded. A chamfer 55 d is formed at the lower end of the cylindrical portion 55 a of the spindle main body 55.
[0028]
Upper and lower hinge devices H in the embodiment having the above configuration₁, H₂Is the distance between the upper surface of the fixed side plate-like portion 112 in the lower fixing bracket 110 and the upper surface of the second plate portion 33 of the lower plate member 30 and the upper plate member 20 in the upper fixing bracket 10 (the interval between the upper and lower support surfaces). ), And the lower surface of the rocking side plate-like portion 132 in the lower rocking fitting 130 and the lower surface of the rocking side plate-like portion 52 in the upper rocking fitting 50 (the interval between the upper and lower supported surfaces) are substantially the same. Is set to For this reason, the upper and lower fixing brackets 10 and 110 respectively support the swing brackets 50 and 130 so as to be swingable, and support the entire front frame 2 so as to be freely opened and closed.
[0029]
The downward protrusion height of the support shaft 54 in the upper swing metal fitting 50 (the protrusion height when the pin portion 56 a of the lock pin 56 does not protrude downward) is the upper surface of the second plate portion 33 and the upper plate member 40. And the slide surface 34 (the upper surface of the first plate portion 31) are set slightly larger than the step, and as will be described later, the support shaft 54 in a state where the lock pin 56 does not protrude downward is guided from the introduction portion. When moved into the hole 35, the lower end of the support shaft 54 is inserted into and held in the guide hole 35 so that it does not come off through the introduction portion. Further, the length of the support shaft 115 of the lower fixing bracket 110 is set longer than the length of the support shaft 54 (length of the support shaft main body 55).
[0030]
Hinge device H configured as described above₁Will be described below with further reference to FIGS. From the state in which the front frame 2 is removed from the outer frame 1, the upper and lower hinge devices H₁, H₂First, the operator first connects the lower hinge device H₂, The lower fixing bracket 110 on the outer frame side and the lower swing bracket 130 on the front frame side are connected, that is, the support shaft 115 of the lower fixing bracket 110 and the shaft support hole 135 of the lower swing bracket 130 are fitted and connected. Let
[0031]
The operator then moves the upper hinge device H₁In FIG. 3, the upper fixing bracket 10 on the outer frame side and the upper frame side are shaken with the lock pin 56 positioned on the support shaft 54 (that is, the pin portion 56a is not protruded from the lower end of the cylindrical portion 55a). Connection operation with the moving metal fitting 50 is performed. In this connection operation, first, the front frame 2 is tilted to bring the upper swing metal fitting 50 closer from the right side of the upper fixing metal 10 and the support shaft 54 is moved toward the slide surface 34 that forms the lower surface of the introduction portion ( Movement in the direction of arrow A in FIG. Lower hinge device H₂In the state where the support shaft 115 is inserted into the shaft support hole 135 and the front frame 2 is supported by the lower fixing bracket 110, the height of the lower end surface of the support shaft 54 in the state where the pin portion 56 a does not protrude is higher than the slide surface 34. The support shaft 54 is guided by a chamfer 34a formed on the side edge of the slide surface 34 so as to ride on the slide surface 34 located in the introduction portion (in the direction of arrow B in FIG. 7). Move). At this time, since the chamfer 55d is provided at the lower end of the support shaft main body 55, the support shaft 54 smoothly enters the slide surface 34.
[0032]
When the front frame 2 is further tilted in the upright direction, the support shaft 54 slides on the slide surface 34 as indicated by an arrow B in FIG. Get in. After the support shaft 54 enters the guide hole 35 in this way, the front frame 2 is tilted so that the support shaft 54 moves in the front end direction. As a result, the support shaft 54 is guided forward by the guide hole 35 (see FIG. 8) and moved to the shaft support hole 35a as shown by the arrow C in FIG. 10 (see FIGS. 9 and 10). In this state, the operator rotates the lock pin 56 using a flathead screwdriver or the like to move downward, and causes the pin portion 56a to enter the lock hole 45 of the lower lid member 40 as shown in the figure. As a result, the support shaft 54 is locked and held in the shaft support hole 35a, and the support shaft 54 is swingably held around this axis in a state where the axis of the support shaft 54 coincides with the swing axis Ax (FIG. 6B). (See FIGS. 9, 10 and 11).
[0033]
The upper and lower hinge devices H connected in this way₁, H₂According to the above, the upper and lower swing metal fittings 50 and 130 are supported so as to be swingable around the common vertical swing axis Ax, and the respective swing metal fittings 50 and 130 are supported by the fixed metal fittings 10 and 110, respectively. , The front frame 2 with the upper and lower hinge device H₁, H₂Support with.
[0034]
On the other hand, the removal of the front frame 2 is achieved by a simple operation of pulling it up as it is with the front frame 2 opened at a predetermined angle with respect to the outer frame 1. That is, by lifting the front frame 2 upward, the upper hinge device H₁The support shaft 54 is moved upward so that the support shaft 54 comes out of the shaft support hole, and at the same time the lower hinge device H₂The shaft hole portion 135 is moved upward so that the engagement between the shaft rear portion 135 and the support shaft 115 is released.₁, H₂Both hinge connections are released.
[0035]
Thus, the hinge device H₁, H₂According to the above, when attaching the front frame 2 to the outer frame 1, it is not necessary to position the support shaft and the fitting hole (shaft support hole) in the upper and lower hinge devices at the same time, and they can be positioned and engaged one by one. Therefore, the front frame 2, which is a heavy object, can be easily hinged to the outer frame 1. On the other hand, at the time of removal work, the hinge connection to the outer frame 1 can be released by a simple operation of simply pulling the front frame 2 upward.
[0036]
When the front frame 2 is opened and supported with respect to the outer frame 1, a moment that pushes down the open end side of the front frame 2 (the anti-connection side, that is, the locking device 4 side) acts on the upper hinge device. This moment acts as a force for pulling the upper fixing bracket in the opening direction of the front frame 2, that is, in the forward direction. Hinge device H of the present invention₁Then, this moment force is received by the shaft support hole 35 a of the lower plate member 30, and this moment force does not act on the pin portion 56 a of the lock pin 56. The structure is such that the front frame 2 in an open state is supported by the lower plate member 30 that is formed from a steel plate and has a high strength, and the lock pin 56 does not receive a supporting force. It becomes the structure which balances the nature.
[0037]
In this embodiment, as indicated by a two-dot chain line in FIG. 6B, the upper side portion 12 of the fixed side base portion 11 is protruded forward to form a flange portion 12a, and the front frame 2 is closed. In this case, the flange portion 12a may be configured to protrude above the upper swing metal fitting 50. According to such a configuration, when the front frame 2 is lifted in the closed state, the flange portion 12a can restrict the upward movement of the swing metal fitting 50 and maintain the hinge connection of the upper and lower hinge devices. Thereby, it is possible to effectively prevent an illegal act of releasing the hinge connection in a state where the front frame 2 is closed, and to provide a fair game.
[0038]
In the spindle 54 in the above embodiment, the vertical position set by the rotation of the lock pin 56 (that is, the protruding position of the pin portion 56a) needs to be set by visually checking the lower end of the spindle 54. The support shaft may be configured as shown in FIG. 12 so that the check is unnecessary.
[0039]
The support shaft 154 includes a support shaft main body 60 and a lock pin 70. The spindle main body 60 includes a disk-like spindle flange 61 formed at the upper end, a cylindrical first cylinder 62 formed below the spindle flange 61 and extending downward, and a first cylinder. A cylindrical space 65 is formed on the lower side of the second cylindrical portion 63 which is formed in a cylindrical shape coaxial with the second cylindrical portion 63 and extends downward. A cylindrical space 65 opened upward is formed in the first cylindrical portion 62. A female screw 64 extending downward from the bottom surface of the shaft and penetrating vertically through the center of the spindle main body 60 is formed. The spindle main body 60 is fixedly joined by pressing the first cylindrical portion 62 into the press-fitting hole of the swing side plate-like portion 52 of the upper swing fitting 50. Then, a lock pin 70 is attached by screwing to the female screw 64 of the spindle main body 60, and the lock pin 70 is formed at the upper end and has a pin flange portion having an outer shape that can be inserted into the cylindrical space 65. 71, a male screw 73 formed to extend downward below the pin flange portion 71, and a cylindrical pin portion 74 formed to extend downward to the lower end of the male screw 73, and the pin flange portion A minus driver fastening groove 72 is formed at the upper end of 71, and the lower end of the pin portion 74 is formed in a spherical shape.
[0040]
In this support shaft 154, when the male flange 73 is screwed into the female thread 64 and the lock pin 70 is attached, the pin flange portion 71 is positioned substantially on the same plane as the upper surface of the support shaft flange portion 61. As shown to (A), the pin part 74 will be in the state which penetrated in the spindle main body 60. FIG. Then, by engaging a minus screwdriver or the like with the fastening groove 72 and rotating the lock pin 70 to move the lock pin 70 downward within the female screw 64 of the support shaft body 60, the pin portion extends from the lower end of the support shaft body 60. 74 is projected. At this time, as shown in FIG. 12B, the lock pin 71 until the pin flange portion 71 comes into contact with the bottom surface of the cylindrical space 65 (that is, until the lock pin 70 cannot be rotated further down). If the 70 is rotated, the pin portion 74 is set so as to fit into the lock hole 45. For this reason, the position setting of the lock pin 70 is easy, and a visual check becomes unnecessary.
[0041]
In the upper fixing bracket in the embodiment described above, the fixed-side plate-like portion is divided into the lower plate member, the upper plate member, and the lower lid member, so that the shape of the lower plate member becomes simple and its molding is easy. is there. For this reason. The lower plate member can be integrally formed with the fixed base and can be easily formed from a single steel plate, and sufficient strength can be ensured. On the other hand, the upper plate member and the lower lid member can be formed from a resin material, and a complicated shape can be supported by these upper plate member and lower lid member.
[0042]
In the above embodiment, the hinge device H is provided at the upper left part of the pachinko machine.₁With hinge device H in the lower left₂However, these hinge devices may be configured upside down. That is, the hinge device H₂The hinge device H provided at the lower part is tilted so that the front frame 2 is tilted so as to be hung upward.₁It is also possible to adopt a configuration in which the two are fitted and connected. In addition, the hinge device H₁There may be a configuration in which In this case, the upper and lower spindles are placed on the introduction part (sliding surface) and the front frame 2 is supported and moved to the left in the horizontal direction so that the upper and lower spindles are positioned in the guide holes, and then the lock pins are moved to the lock holes. Then, the lock pin may be inserted into the lock hole after the upper and lower swing metal fittings are positioned on the fixed metal fitting by pulling the front frame forward (or closing the front frame 2). Further, the mounting position of the fixing bracket and the swing bracket may be an arrangement in which the outer frame and the front frame are reversed.
[0043]
In the embodiment, a pachinko machine is taken as an example of the gaming machine, and the case where the pachinko machine is applied between the outer frame 1 and the front frame 2 has been described. However, the present invention is not limited to such a gaming machine or an arrangement site. Absent. For example, in a pachinko machine, it can be similarly applied to a glass door and a back mechanism panel (back set panel) that can be swingably opened and closed with respect to the front frame. The present invention can be similarly applied to a front mask or a medal tray that can be freely opened / closed and attached / detached.
[0044]
【The invention's effect】
As described above, according to the present invention, in at least one hinge device in a pair of upper and lower hinge devices that swingably open and close the open / close member to the base member, the shaft-like body of the second hinge member is provided. The first hinge member is introduced into the guide hole and moved along the guide hole to the shaft support hole, and then the lock pin is moved downward so that the lower end protrudes into the lock hole to form the shaft shape. Since the body is configured to be held in the shaft support hole, when connecting the front frame to the outer frame, the upper and lower shaft support holes and the support shaft are simultaneously aligned (centered). And at least one hinge device, the shaft-like body of the second hinge member is inserted into the guide hole from the side of the first hinge member from the side. Next, move the shaft body forward After that, the shaft-like body is positioned in the shaft support hole by a simple operation of moving the lock pin downward and is held rotatably and without being detached, and the first and second hinge members are hinge-coupled. be able to.
[0045]
Further, since a guide hole is formed extending rearward from the shaft support hole in the plate-like portion, the shaft-like body positioned in the shaft support hole is plate-like at least on the front side of the shaft support hole when pulled forward. Abuts against the part. For this reason, when the opening / closing member is opened, the force acting on the hinge connecting portion in the horizontal front direction acts on the front portion of the shaft support hole and can be received by the plate-like portion, and sufficient strength can be secured. In particular, it is inserted into the lock hole of the lower lid member so that the force acting on the hinge connecting portion in the horizontal front direction is received by the plate member constituting the plate-like portion (which is generally made of a steel plate). This force can be prevented from acting on the lock pin, thereby preventing the lock pin from being damaged and improving the durability of the hinge device.
[Brief description of the drawings]
FIG. 1 is an external front view of a pachinko machine shown as an example of a gaming machine including a hinge device according to the present invention.
FIG. 2 is a perspective view showing a lower hinge device in the pachinko machine.
FIG. 3 is a perspective view showing an upper hinge device in the pachinko machine according to the embodiment of the present invention in a state where the hinge device is separated into an outer frame side and a front frame side.
FIG. 4 is a plan view showing the upper hinge device according to the embodiment in a state where the lower lid member is removed and separated into an outer frame side and a front frame side.
FIG. 5 is an exploded perspective view showing a fixed side plate-like portion for explaining the structure of the upper hinge device according to the embodiment.
6 is a plan view showing the upper hinge device according to the embodiment in a state before and after the fixing bracket and the swing bracket are hinge-connected. FIG.
FIG. 7 is a cross-sectional view taken along arrows VII-VII in FIG. 6 (B) for showing the upper hinge device according to the embodiment in a state in which the fixing bracket and the swing bracket are in the middle of hinge connection. It is.
FIG. 8 is a cross-sectional view taken along arrows VIII-VIII in FIG. 6 (B) to show the upper hinge device according to the embodiment in a state where the fixing bracket and the swing bracket are in the middle of being hinged. It is.
FIG. 9 is a cross-sectional view taken along the arrow IX-IX in FIG. 6 (B) to show the upper hinge device according to the embodiment in a state where the fixing bracket and the swing bracket are in the middle of being hinged. It is.
FIG. 10 is a cross-sectional view taken along the arrow XX in FIG. 6 (B) to show the upper hinge device according to the embodiment in a state where the fixing bracket and the swing bracket are being hinged. It is.
FIG. 11 is a front view showing the upper hinge device according to the embodiment in a state where the fixing bracket and the swing bracket are hinge-connected.
FIG. 12 is a cross-sectional view showing different embodiments of a support shaft having a lock pin constituting the hinge device according to the present invention.
FIG. 13 is a perspective view showing an example of a conventional hinge device.
FIG. 14 is a perspective view showing another example of a conventional hinge device.
[Explanation of symbols]
Ax swing shaft
H₁  Upper hinge device
H₂  Lower hinge device
PM Pachinko machine
1 outer frame
2 Front frame
4 Locking device
5 Glass door
6 Upper ball dish
7 Lower ball dish
8 Operation handle
9 Game board
10 Upper fixing bracket (first hinge member)
11 Fixed base
12 Upper side
12a Isobe
13 Sides
14 Front side
15 rivets
17 Fixed side plate
20 Upper plate member
21 Flat plate
22 peripheral rib
23 Screw insertion hole
24 side
30 Lower plate member
31 1st plate part
32 Standing part
32a right side
33 Second plate
33a Screw hole
33b Positioning hole
34 Slide surface
34a Chamfer
35 Guide hole
35a Shaft support hole
35b rear end
39 screws
40 Lower lid member
41 Bottom plate
42 Outer rib
43 Boss
43a Screw insertion hole
44 Positioning pin
45 Lock hole
50 Upper swing bracket (second hinge member)
51 Swing side base
51a Positioning protrusion
52 Oscillating side plate
53 screws
54,154 Support shaft (shaft-shaped body)
55 Main spindle
55a Cylindrical part
55b Flange
55c Female thread
55d chamfer
56 Lock pin
56a Pin part
56b male thread
56c Fastening groove
60 Spindle body
61 Spindle flange
62 1st cylinder part
63 Second cylindrical part
64 Female thread
65 Cylindrical space
70 Lock pin
71 Pin flange
72 Fastening groove
73 Male Thread
74 Pin part
110 Lower fixing bracket
111 Fixed base
112 Fixed side plate
115 spindle
130 Lower swing bracket
131 Swing side base
132 Oscillating side plate
135 Shaft support hole
800, 800 ′ first hinge member
801 First plate-like part
802 Shaft support hole
803 Introduction opening
805, 805 'second hinge member
806 Second plate-shaped part
807 spindle
807a plane part

Claims (7)

In a gaming machine configured to include a base member and an opening / closing member attached to the base member so as to be openable / closable, a pair of upper and lower hinge devices that swingably open and close the opening / closing member to the base member,
A lower fixing member in which the lower hinge device is fixed to the lower side of the base member and protrudes horizontally on the upper surface of the lower fixed side plate-like portion, and has a lower support shaft attached thereto; A lower swinging member formed in a lower swinging side plate-like portion fixed to the lower part and projecting horizontally and having a lower shaft support hole that can be fitted to the lower support shaft, and supporting the lower support shaft with the lower shaft The lower swinging member is attached to the lower fixing member from above so as to be fitted in a hole, and the lower fixing member and the lower swinging member are hingedly connected,
The upper hinge device is composed of an upper fixing member fixed to the upper side of the base member, and an upper swinging member fixed to the upper side of the opening / closing member and hinged to the upper fixing member,
The upper fixing member is fixed to the base member and protrudes horizontally, and has a flat plate shape in which a semicircular shaft support hole and a long hole guide hole extending rearwardly connected to the shaft support hole are formed. A plate member, and a lower cover member that is attached to be overlapped with at least the shaft support hole of the plate member and a lower surface of a portion surrounding the shaft support hole and has a lock hole positioned below the shaft support hole. The upper surface adjacent to the rear side of the guide hole in the plate member is opened to at least one side in the left-right direction to form an introduction portion,
The upper swinging member has an upper swinging side plate-like portion fixed to the opening / closing member and extending horizontally forward, and an upper support shaft attached to the lower surface of the upper swinging side plate-like portion so as to protrude downward. Configured,
A lock pin that can protrude downward from the lower end surface of the upper support shaft is provided inside the upper support shaft so as to be movable up and down.
The lower fixing member and the lower swinging member are hinged to each other, and are configured such that the lower end surface of the upper support shaft is positioned at a position lower than the upper surface of the plate member in the introduction portion,
With the lower fixing member and the lower swinging member hinged, the upper part of the opening / closing member is moved in the front / rear / left / right direction, so that the upper part in the state where the lock pin is positioned above the lower end surface. After the support shaft is placed on the upper surface of the plate member in the introduction portion , and further introduced into the guide hole beyond the introduction portion and moved to the shaft support hole along the guide hole The lock pin is moved downward so that the lower end protrudes into the lock hole, the upper support shaft is held in the shaft support hole, and the upper swinging member is hinge-connected to the upper fixing member. A hinge device of a gaming machine characterized by being configured as described above . The hinge device for a gaming machine according to claim 1, wherein an upper plate member is attached so as to cover an upper surface of the plate member excluding the introduction portion and the guide hole. A front end side plate portion that is bent upward from the introduction portion of the plate member and extends horizontally is formed, the front portion of the guide hole extends to the front end side plate portion, and the shaft support hole is the front end side plate portion. The hinge device for a gaming machine according to claim 1 or 2, wherein the lower lid member is attached to a lower surface of the front end side plate portion. The hinge device for a gaming machine according to any one of claims 1 to 3, wherein the vertical length of the lower support shaft is set longer than the vertical length of the upper support shaft. 5. A chamfer is provided on an upper surface of an end portion of the introduction member that is open in the left-right direction, and a chamfer is provided on the lower end of the upper support shaft over the entire circumference. A hinge device for a gaming machine according to any one of The guide hole is formed in a shape that is wide on the base side and tapered in a tapered shape toward the front. 6. A hinge device for a gaming machine according to claim 1, wherein the hinge device is a gaming machine. A hook portion is provided which is integrally connected to the fixed-side base portion and protrudes forward, and is located above the upper swinging member in a state where the opening / closing member is attached to the base member in a closed state. A hinge device for a gaming machine according to any one of claims 1 to 6.

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