JP2005021637A - Hinge for game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinge for a game machine simply produced with a few manhour at a low cost without using a pin to be a pivot of the hinge. <P>SOLUTION: This hinge for the game machine is fixed to a case 7 and the lower part of a front door 8 of the game machine and rotatably installed by stacking a horizontal plate part 11 of a hinge fixed part 1 to be fixed to the casing and a horizontal plate part 21 of a hinge movable part 2 to be fixed to the lower part of the front door. The horizontal plate part 11 of the hinge fixed part 1 is formed with a fitting pivot part 13 by press working, while the hinge movable part 2 is formed with a fit-in pivot part 23 turnably fitted in the fitting pivot part 13 by the press working. The fitting pivot part 13 is formed with a cylindrical part 14 upward projecting, while the fit-in pivot part 23 is downward formed with a circular projection part 24 to be rotatably fitted in the cylindrical part 14. The circular projection part 24, in its circumference, is downward formed with an annular groove 25 in which the cylindrical part 14 is turnably fitted. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a hinge for a detachable game machine in which a front door (front frame) of a game machine such as a slot machine or a pachinko machine is detachably attached to a housing (main body frame), and in particular, the front door and a lower part of the housing Concerning hinges fixed to.

  2. Description of the Related Art Conventionally, as a hinge for attaching a front frame of a game machine such as a pachinko machine so as to be openable and closable with respect to a main body frame, a hinge having a structure including an upper hinge attached to an upper part and a lower hinge attached to a lower part is generally used. This hinge is formed by dividing the upper hinge and the lower hinge into a fixed part and a movable part, and the movable part side is rotatably supported with respect to the fixed part side by fitting the pin and the bearing part. That is, the fixed part of the upper hinge is fixed to the upper corner part of the main body frame, the movable part of the upper hinge is fixed to the upper corner part of the front frame, and the fixed part of the lower hinge is fixed to the lower corner part of the main body frame. The movable part of the hinge is used by being fixed to the lower corner of the front frame.

As a hinge fixed to the lower part of the front frame and the main body frame in such a hinge for a game machine, a pin has conventionally been projected on the horizontal plate part of the hinge fixing part fixed to the main body frame and fixed to the front frame. A bearing hole to which the pin is fitted is drilled in the horizontal plate portion of the hinge movable portion. A hinge having a structure to be fitted and assembled is used (see, for example, Patent Document 1 below).
Japanese Utility Model Publication No. 7-1079

  This type of hinge has the advantage that it is relatively simple in structure and can be manufactured at a relatively low cost using steel plate as the main material, but the pin that is the pivot of the hinge is required as a separate part. There is still a problem that the cost is high because a process of fixing the pin to the horizontal plate portion of the hinge fixing portion is required, and further cost reduction has been demanded.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a hinge for a game machine that can be easily manufactured at low cost without using a pin serving as a pivot of the hinge and with a small number of man-hours. And

  In order to achieve the above object, a hinge for a game machine according to the present invention is fixed to a lower part of a housing and a front door of the game machine, a horizontal plate part of a hinge fixing part fixed to the case, and a lower part of the front door In a hinge for a game machine in which the horizontal plate portion of the hinge movable portion fixed to the hinge is assembled so as to be pivotable, the fitting pivot portion is formed by pressing on the horizontal plate portion of the hinge fixed portion, and the hinge movable portion Is formed by press working so that the fitting pivot part is rotatably inserted into the fitting pivot part, and the fitting pivot part is formed with a cylindrical part protruding upward, and the fitting pivot part is formed in the cylindrical part. A circular convex part that fits in a rotatable manner is formed downward, and an annular groove in which the cylindrical part fits in a rotatable manner is formed around the circular convex part. Features.

  Here, the seat part which protruded upwards from the upper surface of the horizontal board part can be formed in the circumference | surroundings of the cylindrical part in the fitting pivotal support part of the said hinge fixing | fixed part.

  The hinge for a game machine having the above configuration is used with a hinge fixing part fixed to the inner lower part of the casing of the game machine and a hinge movable part fixed to the inner lower part of the front door. When the front door is assembled to the housing so that it can be opened and closed, the front door is held so that the horizontal plate portion of the hinge movable portion is overlapped with the horizontal plate portion of the hinge fixing portion, and the insertion pivot support portion of the hinge movable portion is placed. Is fitted into the cylindrical part of the fitting pivot part of the hinge fixing part and the annular groove of the fitting pivot part is fitted to the tip of the cylindrical part, so that Fit the insertion pivot of the hinge movable part on the door side. A separate hinge is attached to the upper part of the housing and the upper part of the front door. As a result, the hinge movable part is rotatably assembled to the hinge fixing part via the fitting pivot part and the fitting pivot part, and the front door to which the hinge movable part is fixed is attached to the housing so that it can be opened and closed. .

  Hinges with such a configuration can be easily manufactured with both a hinge fixing part and a hinge moving part with a steel plate as a material with only a few man-hours by pressing, and compared to the conventional one that fixes a pin as a pivot, The manufacturing cost can be reduced, and the shear strength against the shearing force applied in the direction perpendicular to the axis of the fitting portion can be improved.

  In addition, the fitting pivot part of the hinge fixing part and the fitting pivot part of the hinge movable part are fitted with the circular convex part of the fitting pivot part in the cylindrical part of the fitting pivot part, and the tip of the cylindrical part is fitted. Since the hinge movable portion is inserted into the annular groove of the support portion, the hinge movable portion can be favorably rotated and supported with respect to the hinge fixing portion. In addition, the fitting pivot part and the fitting pivot part can be fitted to each other more easily than the conventional shaft pin and hole fitting, and the hinge fixing part and the hinge movable part can be easily assembled. be able to. Furthermore, if a circular seat that protrudes upward from the upper surface of the horizontal plate portion is formed around the cylindrical portion of the fitting support portion of the hinge fixing portion, the hinge movable portion can be rotated more smoothly. Become.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 2 are a front view and a right side view of a hinge for a game machine that is used by being attached to a lower part of a casing 7 and a front door 8 of a game machine such as a pachinko machine. This hinge is composed of a hinge fixing part 1 fixed to the housing 7 and a hinge movable part 2 fixed to the front door 8, and the fitting pivot part 13 is pressed into the horizontal plate part 11 of the hinge fixing part 1. In the hinge movable part 2, a fitting pivot part 23 that is rotatably fitted in the fitting pivot part 13 is formed by pressing.

  As shown in FIGS. 3 to 5, the hinge fixing portion 1 is bent so that the steel plate is raised to the left side and the vertical mounting portion 12 is raised vertically, and a fitting pivot portion 13 is formed at the front portion of the horizontal plate portion 11. is doing. The horizontal plate portion 11 and the vertical mounting portion 12 are provided with mounting holes for inserting mounting screws. When the housing 7 is mounted, the horizontal plate portion 11 and the vertical mounting portion 12 serve as mounting fixing surfaces. . A cylindrical portion 14 provided with a hole 15 in the center is formed on the fitting pivot portion 13 provided at the front portion of the horizontal plate portion 11 so as to protrude upward, and a horizontal plate portion is provided around the cylindrical portion 14. A circular seat portion 16 is formed at a position slightly higher than the upper surface of 11. All of these can be easily formed by pressing, and in particular, the fitting pivot 13 and the fitting pivot 23 can be easily formed by two-stage drawing of the press.

  On the other hand, as shown in FIGS. 6 to 8, the hinge movable part 2 is formed by bending a steel plate by pressing, and a vertical attachment part 22 is vertically arranged at the rear part of the horizontal plate part 21 formed in a substantially triangular shape. Are bent so as to rise up to each other, and an insertion pivot portion 23 is formed at the front portion of the horizontal plate portion 21. At the center of the fitting pivot part 23, a circular convex part 24 is formed facing downward in the cylindrical part 14 of the fitting pivot part 13 of the hinge fixing part 1 so as to be fitted in a tightly rotatable manner without rattling. In addition, an annular groove 25 in which the cylindrical portion 14 is rotatably fitted around the circular convex portion 24 is formed downward.

  That is, the annular groove 25 is formed so as to open on the lower surface side of the fitting pivot portion 23, and the circular convex portion 24 protrudes downward at the center position of the annular groove 25. Further, the inner diameter and the outer diameter of the annular groove 25 are set so that the fitting pivotal support portion 23 of the hinge movable portion 2 can be satisfactorily rotated without looseness in a state in which the annular groove 25 is fitted to the tip of the cylindrical portion 14.

  As shown in FIGS. 1, 2 or 9 to 12, the hinge fixing portion 1 configured as described above has its horizontal plate portion 11 and vertical mounting portion 12 at the lower left side inside the casing 7 of the game machine. The fitting pivot 13 is fixed to the housing 7 side of the game machine using an attachment hole and a fixing screw provided there.

  On the other hand, the hinge movable portion 2 applies the horizontal plate portion 21 to the bottom surface of the lower left portion of the front door 8 of the game machine, and the vertical attachment portion 22 to the inner side of the lower left portion of the front door 8. Using the mounting hole and the fixing screw drilled in 22, the fitting pivotal support 23 is put out forward and fixed.

  Further, another separate hinge is attached to the upper part of the casing 7 and the upper part of the front door 8, and when the front door 8 is attached to the casing 7, for example, the front door 8 is provided and the casing 7 is predetermined. With the angle opened, first, the fitting pivot 23 of the hinge movable part 2 is fitted into the fitting pivot 13 of the hinge fixing part 1, and then the movable part of the upper separated hinge not shown is fitted into the fixed part. To do. When the fitting pivot part 23 of the hinge movable part 2 in the lower hinge is fitted into the fitting pivot part 13 of the hinge fixing part 1, the circular convex part 24 of the fitting pivot part 23 of the hinge movable part 2 is inserted into the hinge fixing part 1. If it is operated so as to be inserted into the hole 15 of the fitting pivot part 13 from above, the annular groove 25 of the fitting pivot part 23 of the hinge movable part 2 is formed at the tip of the cylindrical part 14 of the fitting pivot part 13 of the hinge fixing part 1. The hinge can be easily and accurately fitted, and the hinge can be assembled easily and quickly.

  In a state where the insertion pivotal support portion 23 of the hinge movable portion 2 is fitted into the fitting pivotal support portion 13 of the hinge fixing portion 1, the circular convex portion 24 of the hinge movable portion 2 is a hole in the cylindrical portion 14 of the hinge fixing portion 1. The hinge movable part 2 fixed to the front door 8 is fitted to the casing 7 so that the annular groove 25 is rotatably fitted to the cylindrical part 14. 1 with respect to the central axis of the cylindrical portion 14, the circular convex portion 24, and the annular groove 25.

  Further, in the state where the fitting pivot part 23 of the hinge movable part 2 and the fitting pivot part 13 of the hinge fixing part 1 are assembled in this way, most of the load on the hinge movable part 2 side is fitted to the hinge fixing part 1. Since it is received by the seat 16 of the pivotal support 13 and the seat 16 is formed in a circle around the fitting pivotal support 13, the hinge movable part 2 can be smoothly rotated at all rotational angles. .

  Further, the circular convex portion 24 of the hinge movable portion 2 is rotatably fitted in the hole 15 of the cylindrical portion 14 of the hinge fixing portion 1, and the annular groove 25 is rotatably fitted and assembled to the cylindrical portion 14. Therefore, the strength of the fitting portion with respect to the shearing force applied in the direction perpendicular to the shaft is significantly increased as compared with the conventional assembly by simply fitting the pin and the hole, and the shear resistance strength can be improved.

  13 and 14 show the hinge movable part 4 of another embodiment. As shown in FIG. 13, the tip of the circular convex portion 44 of the hinge movable portion 4 in this example is at the same level as the lower surface of the horizontal plate portion 41, that is, the tip does not protrude from the lower surface and is the same horizontal. It is formed to be a position. An annular groove 45 is formed around the circular convex portion 44 in the same manner as described above.

  The hinge movable part 4 having such a structure is assembled to the fitting pivot part 13 of the same hinge fixing part 1 as described above so that the fitting pivot part 43 is fitted. However, as shown in FIG. The circular convex portion 44 of the fitting pivot portion 43 of the hinge movable portion 2 is fitted into the cylindrical portion 14 of the hinge pivot portion 13 while slightly moving the position with the front door to which the portion 4 is attached.

  At this time, if the tip of the circular convex portion 44 of the insertion pivot portion 43 of the hinge movable portion 4 is set at the same level as the lower surface of the horizontal plate portion 41, the insertion pivot portion 43 is hinged as shown in FIG. It can be freely moved on the cylindrical portion 14 of the fitting pivot portion 13 of the fixed portion 1. That is, since the circular convex portion 44 does not protrude downward from the lower surface of the horizontal plate portion 41, the circular convex portion 44 does not hit the cylindrical portion 14 and the like, and the tip of the circular convex portion 44 is at the same level as the lower surface position. It can be slid and moved on the part 14. Therefore, holding the front door to which the hinge movable part 4 is attached and moving the position slightly, the circular convex part 44 of the insertion pivot part 43 of the hinge movable part 2 is moved to the cylindrical part 14 of the fitting pivot part 13. Can be easily fitted.

  Furthermore, FIG. 15 has shown the front view with a cross section of the hinge of other embodiment. Contrary to the above-described embodiment, this hinge is provided with an insertion pivot part 53 in the hinge fixing part 5, a fitting pivot part 63 is provided in the hinge movable part 6, and the vertical relationship between the fitting pivot part 63 and the insertion pivot part 53. Is reversed from the above. That is, the fitting pivot part 63 in which the cylindrical part 64 is formed is disposed on the upper side, and the fitting pivot part 53 in which the circular convex part 54 is formed is disposed on the lower side. In this case, the cylindrical portion 64 of the fitting pivot portion 63 is formed so as to protrude below the horizontal plate portion 61, and the circular convex portion 54 of the fitting pivot portion 53 is formed toward the upper side of the horizontal plate portion 51. An annular groove 55 around 54 is formed upward. In addition, a circular seat 56 is formed around the annular groove 55 of the insertion support section 53 so as to protrude above the upper surface of the horizontal plate section 51, and the tip of the circular convex section 54 of the insertion support section 53 is the horizontal plate section. It is formed at the same level position as the upper surface of 51 or its seat 56.

  Thus, even when the vertical relationship between the fitting pivot 63 and the fitting pivot 53 is reversed from that of the above embodiment, as shown in FIG. 15, the cylindrical portion 64 of the fitting pivot 63 of the hinge movable portion 6. Can be easily fitted in the annular groove 55 around the circular convex portion 54 of the fitting pivotal support portion 53 of the hinge fixing portion 5, and the same effect as the above embodiment can be obtained.

  As described above, according to the hinge for a game machine of the present invention, since no pin is used as a pivot, both the hinge fixing part and the hinge movable part can be easily manufactured with only a small amount of man-hours by pressing only steel plates. The manufacturing cost can be reduced and the shear strength against the shearing force applied in the direction perpendicular to the axis of the fitting portion can be improved as compared with the conventional one in which the pin is fixed as the pivot. it can.

  In addition, in the conventional hinge that fits the shaft pin and the hole, the tip of the fitted shaft pin protrudes, which may deteriorate the appearance of the hinge or interfere with other things. In the fitting between the branch portion and the fitting pivot portion, it is possible to eliminate the problem caused by such a protruding portion.

  In addition, the fitting pivot part and the fitting pivot part are fitted with the fitting pivot part or the circular convex part of the fitting pivot part in the fitting pivot part or the cylindrical part of the fitting pivot part, and the tip of the cylindrical part is fitted. Since the hinge movable part is inserted into the annular groove of the pivotal support part, the hinge movable part can be favorably rotated and supported with respect to the hinge fixing part.

  Further, if a circular seat that protrudes from the mating surface of the horizontal plate portion is formed around the cylindrical portion in the fitting pivot portion or around the annular groove in the fitting pivot portion, the hinge movable portion can be rotated more smoothly. It can be moved.

  Furthermore, the tip of the circular convex part of the insertion pivotal support part of the hinge movable part is formed at the same level as the lower surface of the horizontal plate part, or the tip of the circular convex part of the insertion pivotal support part of the hinge fixing part and the seat part If they are formed at the same level, the hinge fixing part and the hinge movable part can be assembled more easily.

It is a front view of the hinge for game machines which shows one Embodiment of this invention. It is a right view of the hinge. It is a top view of a hinge fixing | fixed part. It is a right view of a hinge fixing | fixed part. It is a front view with the VV cross section of FIG. 3 of a hinge fixing | fixed part. It is a right view of a hinge movable part. It is a top view of a hinge movable part. It is a front view with a VIII-VIII section of Drawing 7 of a hinge movable part. It is a top view of the state which closed the hinge movable part 2 with respect to the hinge fixing | fixed part 1. FIG. It is a rear view of a hinge movable part. It is a perspective view of the state where the hinge movable part 2 was closed with respect to the hinge fixing | fixed part 1. FIG. FIG. 3 is a perspective view of a number movable unit 10. It is a top view of the state which opened the hinge movable part 2 with respect to the hinge fixing | fixed part 1. FIG. It is a perspective view of the state which opened the hinge movable part 2 with respect to the hinge fixing | fixed part 1. FIG. It is a front view with a section of hinge movable part 4 of other embodiments. It is a front view with a cross section which shows the motion at the time of assembling the hinge movable part 4 and the hinge fixing | fixed part 1. FIG. It is a front view with a cross section of the state which assembled | attached the hinge movable part 6 and the hinge fixing | fixed part 5 of other embodiment.

Explanation of symbols

1-Hinge fixed part 2-Hinge movable part 11-Horizontal plate part 12-Vertical mounting part 13-Fitting pivot part 14-Cylindrical part 15-Hole 16-Seat part 21-Horizontal plate part 22-Vertical mounting part 23-Fitting Pivot part 24-circular convex part 25-annular groove

Claims (6)

The horizontal plate part of the hinge fixing part fixed to the casing of the game machine and the lower part of the front door, and the horizontal plate part of the hinge movable part fixed to the lower part of the front door are overlapped. In a hinge for a game machine that can be rotatably assembled,
A fitting pivot part is formed on the horizontal plate part of the hinge fixing part by pressing, and a fitting pivot part that is rotatably fitted on the fitting pivot part is formed on the hinge movable part by pressing. The fitting pivot portion is formed with a cylindrical portion projecting upward, and the fitting pivot portion is formed with a circular convex portion that is pivotably fitted into the cylindrical portion, and is formed downward. A hinge for a game machine, wherein an annular groove into which the cylindrical portion is rotatably fitted is formed around a circular convex portion. 2. A hinge for a game machine according to claim 1, wherein a circular seat portion is formed around the cylindrical portion of the fitting support portion of the hinge fixing portion so as to protrude upward from the upper surface of the horizontal plate portion. The tip of the circular convex part formed toward the insertion pivotal support part of the hinge movable part downward is formed at the same level as the lower surface of the horizontal plate part of the hinge movable part. Hinge for game consoles. The horizontal plate part of the hinge fixing part fixed to the casing of the game machine and the lower part of the front door, and the horizontal plate part of the hinge movable part fixed to the lower part of the front door are overlapped. In a hinge for a game machine that can be rotatably assembled,
A fitting pivot part is formed by pressing on the horizontal plate part of the hinge fixing part, and a fitting pivot part rotatably fitted to the fitting pivot part is formed by pressing on the hinge movable part. A cylindrical portion is formed to project downward on the joint support portion, and a circular convex portion that is rotatably fitted in the cylindrical portion is formed upward on the fitting pivot support portion. A hinge for a game machine, wherein an annular groove into which the cylindrical portion is rotatably fitted is formed around a convex portion. 5. The game machine according to claim 4, wherein a circular seat portion is formed around the annular groove in the insertion support portion of the hinge fixing portion so as to protrude upward from the upper surface of the horizontal plate portion of the hinge fixing portion. hinge. The tip of the circular convex part formed toward the insertion pivotal support part of the hinge fixing part upward is formed at the same level as the upper surface of the horizontal plate part of the hinge fixing part. Hinge for game consoles.

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