JP3931011B2 - Shaft support structure of front frame in pachinko machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pachinko gaming machine, and more particularly to a pivotal support structure of a front frame in a pachinko gaming machine that can easily pivot a front frame relative to an outer frame.
[0002]
[Prior art]
Conventionally, in pachinko gaming machines, a front frame is pivotally supported with respect to an outer frame so as to be openable and closable for inspection and repair of various gaming machines. In addition, it is pivotably supported so that the front frame can be removed from the outer frame as required.
[0003]
By the way, the conventional shaft support structure of the front frame body has a lower hinge shaft projecting upward on the lower fixing bracket of the outer frame and a shaft hole provided on the upper fixing bracket, while the lower movable bracket of the front frame body is provided with a shaft hole. Along with the provision of the shaft holes, the upper hinge shaft protrudes downward from the upper movable metal fitting, and the front frame body is fitted by fitting the upper and lower hinge shafts to the respective shaft holes while lifting the front frame body upward. It is configured to be pivotally supported so that it can be opened and closed. However, in such a shaft support structure, the upper and lower hinge shafts must be aligned with the shaft hole while supporting the weight of the front frame body, which is very difficult and dangerous for one person to do the work. It was accompanied by.
[0004]
For this reason, various shaft support structures have been proposed recently so that the front frame can be easily assembled to the outer frame. As an example, for example, as disclosed in Japanese Patent Laid-Open No. 9-47555, an upper hinge shaft protrudes upward on the upper surface of the upper movable metal fitting of the front frame body, and a horizontal axis is provided on the lower surface of the upper fixing metal fitting of the outer frame. A bearing member having an engaging entrance is fixedly provided, and the upper hinge shaft is fitted from the shaft engaging entrance to the bearing portion of the bearing member while moving the front frame horizontally, and the shaft is moved by a spring-biased locking member. There has been known a structure in which a front frame is pivotally supported so as to be opened and closed by closing an engagement entrance.
[0005]
[Problems to be solved by the invention]
The above-mentioned pivotal support structure of the front frame body is compared with a general pivotal support 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 body. Although the assembly work with the weight of the body supported can be avoided and there is an advantage in terms of physical strength or safety, there is a problem that the manufacturing cost is high because the number of components is increased because a bearing member and a lock member are required. there were.
[0006]
The present invention has been made in view of the above-described problems, and its object is to solve the problems of a general shaft support structure and to easily attach and detach the front frame to and from the outer frame. It is an object of the present invention to provide a pivotal support structure for a front frame body in a pachinko gaming machine that can be made safe and simple in structure and can be manufactured at low cost.
[0007]
[Means for Solving the Problems]
In order to achieve the above-described object, the invention according to claim 1 is in communication with the notch groove opening outward and the notch groove on the upper fixing bracket provided on the upper side edge of the outer frame. In addition to providing a bearing hole, the upper hinge shaft protrudes downward from the upper movable bracket provided on the upper side edge of the front frame, and the upper hinge shaft has a circular shape that fits into the bearing hole of the upper fixing bracket. A flat shaft portion formed in a width that can be inserted into the shaft portion and the notch groove is provided, and the upper fixing bracket is formed as an upward inclined surface that faces the upper side of the notch groove from the lower front side to the rear upper side. It is characterized by that.
[0008]
According to the second aspect of the present invention, a notch groove that opens toward the outside and a bearing hole that communicates with the notch groove are provided on an upper fixing bracket provided on one side edge of the outer frame, and a front surface is provided. An upper hinge shaft protrudes downward from an upper movable bracket provided on the upper side edge of the frame body, and the upper hinge shaft has a circular shaft portion and a notch groove that fit into a bearing hole of the upper fixing bracket. A flat shaft portion formed to have a width that can be inserted is provided, and a boundary surface between the circular shaft portion and the flat shaft portion is formed as a downward inclined surface from the rear upper side toward the front lower side. It is characterized in that the upper surface located on both sides of the notch groove is formed as an upward inclined surface from the lower front side to the upper rear side.
[0009]
The invention according to claim 3 is the invention according to claim 1 or 2, characterized in that a regulation projection for regulating the upward movement range of the front frame body is provided on the flat shaft portion of the upper hinge shaft. It is said.
[0010]
According to the first and second aspects of the present invention, the flat shaft portion of the upper hinge shaft of the upper movable bracket is fitted to the upper fixed bracket in a state where the shaft hole of the lower movable bracket and the lower hinge shaft of the lower fixed bracket are fitted together. The front frame can be opened and closed to the outer frame simply by pressing the front frame against the outer frame and fitting the circular part of the upper hinge shaft into the bearing hole of the upper fixing bracket. Since it can be pivotally supported, the front frame body can be easily and safely attached to and removed from the outer frame, and the structure is simple and the manufacturing cost can be reduced. In addition, the circular shaft portion of the upper hinge shaft can be easily fitted into the bearing hole of the upper fixing bracket, and the upper hinge shaft can be reliably prevented from coming off from the bearing hole without requiring a separate part such as a lock member. It becomes possible to do.
[0011]
According to the invention of claim 3, when the front frame is lifted upward and the circular shaft portion of the upper hinge shaft is removed from the bearing hole of the upper fixing bracket, the lower hinge shaft of the lower fixing bracket and the axis of the lower movable bracket are removed. It is possible to prevent the hole from coming off, and the front frame can be easily and safely removed from the outer frame.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a pachinko gaming machine to which the present invention is applied, and FIG. 2 is a perspective view of the pachinko gaming machine in a state where a front plate having a glass plate holding frame and a hitting ball supply tray and a front lower plate having an extra ball receiving tray are opened. FIG. 3 and FIG. 3 are perspective views showing a state in which the outer frame and the front frame are separated. The pachinko gaming machine 1 includes an outer frame 2 that is formed into a vertically long rectangular frame, and a front frame 4 that is attached to one side of the outer frame 2 by a hinge mechanism 3 so as to be freely opened and closed. 4, a glass plate holding frame 5, a front plate 7 having a striking ball supply tray 6 and a front lower plate 9 having a surplus ball receiving tray 8 are pivotally supported so as to be openable and closable.
[0013]
The front frame body 4 is formed of a metal plate such as an iron plate as shown in FIG. 3, and has a substantially square opening 10 formed in the upper part and a lower part formed as a plate-like part 11a. A frame 11 and a game board mounting that is attached to the main frame 11 by being crimped to both the left and right positions and the lower position except for the upper position of the opening 10 on the back side of the main frame 11 The game board 13 is detachably attached so as to cover the opening 10 of the main frame part 11. A circular guide rail 13a is attached to the front surface of the game board 13 with a plurality of rail mounting pins, and an area surrounded by the guide rail 13a is configured as a game area.
[0014]
By the way, almost all the main game components of the pachinko gaming machine 1 are collectively provided on the front frame 4 as shown in FIG. That is, on the front surface of the main frame portion 11 of the front frame body 4, the rail decoration member 14 formed of synthetic resin so as to cover the outside of the game area of the game board 13 and the rail deformation prevention formed of synthetic resin similarly. A member 15 is provided, and a stamp sticking member 16 is provided outside the game area of the game board 13. Further, the ball mounting mechanism 17 is provided in the circular mounting hole 17 formed through the plate-like portion 11a below the opening 10, and the passage structure 20 is detachably mounted in the substantially square mounting hole 19. It has become so.
[0015]
The hitting ball launching mechanism 18 is used to launch the launching rail 21, the hitting ball 22 facing the launching position of the launching rail 21, the rotary solenoid 23 as a driving source of the hitting ball 22, and the hitting behavior of the hitting ball 22. An automatic ball feeder 24 that supplies the hit balls stored in the hit ball supply tray 6 one by one to the launch position of the launch rail 21 is integrally assembled to the plate-like holding body 25 to form a unit. . Then, the rotary solenoid 23 is made to face the circular mounting hole 17 from the front side, and a plurality of fitting projections (not shown) protruding from the back side of the holding body 25 are formed in the plate-like portion 11a. By engaging with the engaging hole 26, the hitting ball launching mechanism 18 can be firmly attached to the main frame portion 11 of the front frame body 4 with one touch without being screwed.
[0016]
The passage structure 20 is provided with a foul ball receiving part 27 for receiving a foul ball at an upper position thereof and a prize ball receiving part 28 for receiving a prize ball falling when the front plate 7 is opened. A foul ball guiding passage 31 is provided in communication with the foul ball receiving tray 27, and a spilling ball guiding passage 30 is provided in communication with the prize ball receiving tray 28 independently of each other. Then, the rear portion of the passage structure 20 is made to face the substantially square mounting hole 19 from the front side, and a plurality of rearwardly locking claws (not shown) are formed in the engaging groove 32 formed in the plate-like portion 11a. By being locked, the passage structure 20 can be firmly attached to the main frame portion 11 of the front frame 4 with one touch without being screwed.
[0017]
In this manner, the front ball frame 4 and the front ball frame 4 can be removably mounted on the front frame 4 formed of a metal plate such as an iron plate by unitizing the hitting ball launching mechanism 18 or the passage structure 20 as described above. Separation and sorting of the hitting ball launching mechanism 18 or the passage structure 20 is facilitated, which is convenient for disposal or recycling of the pachinko gaming machine.
[0018]
On the other hand, as shown in FIG. 3, a downward hinge shaft 33 for projecting the upper end of one side of the glass plate holding frame 5 projects from the front end of the front frame body 4 and at the upper end of the shaft support side. The provided support 34 is fixed. A hinge fitting 35 for supporting the lower end of one side of the glass plate holding frame 5 and the front plate 7 and the front lower plate 9 is fixed at a position slightly below the middle. The hinge fitting 35 is formed in a U shape having horizontal support pieces 36 and 36 at both upper and lower ends, and a hinge shaft rod 37 is passed through the support pieces 36 and 36. The lower end of the hinge shaft 37 is fixed to a support plate portion 60b of a lower movable metal fitting 60, which will be described later, protruding forward from the front frame body 4, and the upper end thereof protrudes upward from the upper support piece 36. The lower end of one side of the glass plate holding frame 5 is pivotally supported by a hinge shaft 37 protruding upward from the upper support piece 36, and the front plate 7 is mounted on the hinge shaft 37 located between the support pieces 36, 36. Further, the front lower plate 9 is pivotally supported by a hinge shaft 37 located between the lower support piece 36 and the support plate 60b of the lower movable metal fitting 60 of the front frame 4.
[0019]
The hitting ball supply tray 6 provided on the front surface of the front plate 7 has a left side portion as a bulging portion 40 in which a dome-shaped space portion 38 having an open front surface is formed as shown in FIG. The ashtray 39 is pivotally supported in the space 38 so as to be rotatable forward. Thus, by providing the ashtray 39 in the dome-shaped space 38, the ashtray 39 can be made inconspicuous and the overall design effect can be enhanced. In addition, a translucent lens cover 41 is provided above the bulging portion 40 provided with the dome-shaped space 38, and a balance display device 42 for a card-type pachinko machine is attached to the inside of the lens cover 41. ing. Furthermore, operation units such as a lending ball button 43 and a card return button 44 in a card type pachinko machine are provided near the balance display device 42.
[0020]
On the other hand, the surplus ball receiving tray 8 provided on the front surface of the lower front plate 9 is provided with a handle device 45 at the right measurement position as shown in FIG. 46 and the cover portion 47 of the handle device 45 are formed in a smooth curved surface shape and an integrated shape having continuity. In addition, a speaker 50 is attached to a substantially central portion of the front surface of the surplus ball receiving tray 8 via a punching metal 49 provided with a large number of sound transmission holes 48. And the sound of the speaker 50 is directly emitted from the front central portion of the surplus ball receiving tray 8 through the punching metal 49.
[0021]
Thus, the hinge mechanism 3 of the outer frame 2 and the front frame 4 is composed of an upper hinge mechanism 3a and a lower hinge mechanism 3b as shown in FIGS. As shown in FIG. 4, the upper hinge mechanism 3 a includes an upper fixing bracket 52 that is attached to the outer upper corner of the outer frame 2 with screws 51, and an upper movable bracket 53 that is caulked to one side upper portion of the front frame body 4. Consists of. The upper fixing bracket 52 is formed in an inverted L shape by a horizontal plate portion 52a attached to the upper surface of the outer frame 2 and a vertical plate portion 52b attached to the outer surface of the outer frame 2, and the horizontal plate portion 52a has an outer L-shape. A notch groove 54 that protrudes forward from the upper surface end of the frame 2 and opens toward the outside, and a protruding piece 56 that has a bearing hole 55 formed so as to communicate with the notch groove 54 are integrally provided. Further, the upper surface of the protruding piece 56 located on both sides of the notch groove 54 is formed as an upward inclined surface 56a from the lower front side to the rear upper side.
[0022]
The upper movable metal 53 has an attachment piece 53a attached to the back surface of the front frame body 4 and a horizontal plate portion 53b protruding forward of the front frame body 4, and an upper hinge on the lower surface of the front end of the horizontal plate portion 53b. A shaft 57 protrudes downward. The upper hinge shaft 57 is a flat shaft formed in a width that can be inserted into the notch groove 54 with the circular shaft portion 57a fitted in the bearing hole 55 of the upper fixing bracket 52 and the front frame body 4 being opened substantially at right angles. A boundary surface between the circular shaft portion 57a and the flat shaft portion 57b is formed as a downward inclined surface 57c that extends from the rear upper side toward the front lower side.
[0023]
On the other hand, as shown in FIG. 5, the lower hinge mechanism 3b includes a lower fixing bracket 59 attached to the lower corner portion inside the outer frame 2 with screws 58, and a lower portion that is caulked to one side lower portion of the front frame body 4. It consists of a movable metal fitting 60. The lower fixing bracket 59 has a vertical mounting piece portion 59a attached to the lower inner side of the outer frame 2 and a horizontal support plate portion 59b projecting forward of the outer frame 2, and is provided on the upper end surface of the support plate portion 59b. A lower hinge shaft 61 protrudes upward. On the other hand, the lower movable metal fitting 60 has a vertical mounting piece 60a attached to the back side of the front frame 4 and a horizontal support plate 60b protruding forward of the front frame 4, and the support plate 60b. A shaft hole 62 that fits into the lower hinge shaft 61 is formed in the shaft. In order to smoothly open and close the front frame 4 by reducing the contact surface between the support plate portion 59b of the lower fixing bracket 59 and the support plate portion 60b of the lower movable bracket 60, for example, FIG. A convex portion 64 is formed on the upper surface of the support plate 59b of the lower fixing bracket 59 as shown in FIG. 10B around the lower hinge shaft 61, or as shown in FIG. A convex portion 65 may be formed around the shaft hole 62 on the lower surface of the support plate portion 60 b of the movable metal fitting 60.
[0024]
The shaft support structure of the front frame 4 according to the present invention is configured as described above. In order to pivotally support the front frame 4 on the outer frame 2, first, the shaft hole 62 of the lower movable metal fitting 60 is formed in the lower fixing metal. 59, the lower hinge shaft 61 is fitted and connected from above, and then the front frame 4 is positioned in a state of being opened at a substantially right angle as shown by a chain line in FIG. 53 is brought close to the upper fixing bracket 52 of the outer frame 2, and the flat shaft portion 57 b formed on the upper hinge shaft 57 of the upper movable fitting 53 is made to face the notch groove 54 of the upper fixing bracket 52, so that the front frame body 4 is moved. Press against the outer frame 2. Accordingly, as shown by a chain line in FIG. 7, the flat shaft portion 57b of the upper hinge shaft 57 enters the notch groove 54, and is formed on the upward inclined surface 56a of the upper fixing bracket 52 and the upper hinge shaft 57 of the upper movable bracket 53. The front frame 4 is gradually pushed upward by the downward inclined surface 57c, and when the front frame 4 is further pushed in, the circular shaft portion 57a of the upper hinge shaft 57 and the bearing hole 55 of the upper fixing bracket 52 coincide with each other. For this reason, as shown by the solid line in FIG. 7, the front frame 4 is lowered by its own weight, and the circular shaft portion 57 a of the upper hinge shaft 57 is fitted into the bearing hole 55 of the upper fixing bracket 52. Is pivotally supported on the outer frame 2 with the hinge mechanism 3 as a fulcrum.
[0025]
Further, in order to remove the front frame body 4 pivotally supported in this way from the outer frame 2, the front frame body 4 is positioned in a state of being opened at a substantially right angle, the front frame body 4 is lifted upward, The circular shaft portion 57 a of the upper hinge shaft 57 of the movable metal fitting 53 is removed upward from the bearing hole 55 of the upper fixed metal fitting 52. Then, after removing the flat shaft portion 57b of the upper hinge shaft 57 of the upper movable bracket 53 from the notch groove 54 of the upper fixed bracket 52, the lower hinge shaft 61 of the lower fixed bracket 59 and the shaft hole 62 of the lower movable bracket 60 are formed. It is easily achieved by removing the fitting.
[0026]
Note that the upper movable shaft 53 is the upper hinge shaft 57, and the flat shaft portion 57b is integrally provided with a projecting regulation projection 63 that regulates the upward movement range of the front frame 4. The restricting protrusion 63 is in a state where the lower hinge shaft 61 of the lower fixing bracket 59 and the shaft hole 62 of the lower movable bracket 60 are fitted, and the circular shaft portion 57a of the upper hinge shaft 57 of the upper movable bracket 53 is It is provided at a position where it comes into contact with the lower surface of the protruding piece 56 of the upper fixing fitting 529 when it is removed from the bearing hole 55 of the upper fixing fitting 52. Thus, by providing the restricting projection 63 on the flat shaft portion 57b of the upper hinge shaft 57, when the front frame body 4 is removed from the outer frame 2, the front frame body 4 may be lifted up too much. Even if the restricting protrusion 63 hits the lower surface of the protruding piece 56 of the upper fixing bracket 529, the front frame 4 is positioned so that the lower hinge shaft 61 of the lower fixing bracket 59 and the shaft hole 62 of the lower movable bracket 60 are disengaged. Can no longer be lifted. For this reason, the front frame 4 does not lose support by the support plate portion 60b of the lower fixing bracket 59 and falls downward, and the front frame 4 can be easily and safely removed from the outer frame.
[0027]
FIG. 9 shows another embodiment, which is an upper fixing bracket 52 of the outer frame 2, and only an upper surface located on both sides of the notch groove 54 is an upward inclined surface 561 a that extends from the front lower side to the rear upper side. Formed. Even in such a configuration, the front frame body with respect to the outer frame 2 can be simply operated by simply pressing the front frame body 4 against the outer frame 2 with the flat shaft portion 57b of the upper hinge shaft 57 facing the notch groove 54. Can support 4 [0028]
【The invention's effect】
As is apparent from the above description, in the present invention, the upper fixing bracket of the outer frame is provided with a notch groove that opens outward and a bearing hole that communicates with the notch groove, An upper hinge shaft having a flat shaft portion facing the notch groove and a circular shaft portion that fits into the bearing hole is projected downward on the upper movable metal fitting of the frame body, and the flat shaft portion of the upper hinge shaft is cut out. Because the front frame can be pivotally supported with respect to the outer frame with a simple operation by pressing the front frame against the outer frame facing the groove, Can be easily supported, and the structure is simple and the manufacturing cost can be reduced.
[0029]
Further, it is an upper fixed bracket of the outer frame, and is an upward inclined surface provided on the upper surface located on both sides of the notch groove, or an upper movable bracket of the front frame, and the circular shaft portion of the upper hinge shaft and the flat shaft With the downwardly inclined surface provided at the boundary surface with the part, when the front frame is pivotally supported on the outer frame, it can be easily pivoted without lifting the front frame upwards. A lock member or the like for maintaining the fitted state between the upper hinge shaft and the bearing hole as in the structure can be eliminated.
[0030]
In addition, the flat projection of the upper hinge shaft is provided with a restricting protrusion that restricts the range of upward movement of the front frame so that the front frame is not lifted up too much when the front frame is removed from the outer frame. Therefore, it is possible to eliminate an accident that the lower hinge shaft of the lower fixing bracket and the shaft hole of the lower movable bracket are detached and the front frame is dropped downward, and the front frame can be easily and easily removed from the outer frame. Safe to remove.
[Brief description of the drawings]
FIG. 1 is a front view of a pachinko gaming machine.
FIG. 2 is a perspective view of a state in which a front plate having a glass plate holding frame and a hitting ball supply tray and a front lower plate having an extra ball receiving tray are opened.
FIG. 3 is a perspective view showing a state in which an outer frame and a front frame are separated.
FIG. 4 is a perspective view of an upper hinge mechanism portion of an outer frame and a front frame body.
FIG. 5 is a perspective view of a lower hinge mechanism portion of an outer frame and a front frame body.
FIG. 6 is a plan view of an upper hinge mechanism portion of an outer frame and a front frame body.
FIG. 7 is a side sectional view of an upper hinge mechanism portion of an outer frame and a front frame.
FIG. 8 is a side sectional view of the upper hinge mechanism portion of the outer frame and the front frame body for explaining the operation of the restricting protrusion of the upper hinge shaft.
FIG. 9 is a side cross-sectional view showing another embodiment of FIG.
10A is a cross-sectional view of the main part of the lower fixing bracket, and FIG. 10B is a cross-sectional view of the main part of the lower movable metal fitting.
[Explanation of symbols]
2 outer frame 3 hinge mechanism 4 front frame 6 hitting ball supply tray 8 surplus ball receiving tray 52 upper fixed bracket 53 upper movable bracket 54 notched groove 55 bearing hole 56a upward inclined surface 57 upper hinge shaft 57a circular shaft portions 57b and 571b flat shaft Parts 57c, 571c Upward inclined surface 59 Lower fixed bracket 60 Lower movable bracket 63 Restriction protrusion

Claims (2)

Support means for supporting the front frame body fixed bracket provided in the lower part on one side edge of the outer frame is provided, on the outer frame to the movable bracket provided in the lower part on one side edge of the front frame Provided with locking means for locking;
The upper locking means is a hinge shaft projecting downward on the upper movable metal fitting, and the hinge shaft has a base end side as a circular shaft portion and a tip end side thereof than the circular shaft portion. With a narrow flat shaft,
The upper support means is a protruding piece that protrudes forward from the upper end surface of the upper fixing bracket, and the protruding piece is formed by cutting out the tip side thereof and having a width that allows the flat shaft portion to be inserted. Providing a groove and a bearing hole that communicates with the cutout groove and into which the circular shaft portion is fitted;
The lower surface of the circular shaft portion formed at the boundary between the circular shaft portion and the flat shaft portion of the hinge shaft is a downward inclined surface that faces from the rear upper side toward the front lower side,
Further, the flat shaft portion of the hinge shaft is provided with a protrusion-like restricting protrusion, and the restricting protrusion is in a state in which the locking means of the lower fixed bracket and the support means of the lower movable bracket are locked. In the pachinko gaming machine, the circular shaft portion of the hinge shaft of the upper movable metal fitting is provided at a position where it abuts the lower surface of the protruding piece when removed from the bearing hole of the upper fixed metal fitting . Front frame support structure. Support means for supporting the front frame body fixed bracket provided in the lower part on one side edge of the outer frame is provided, on the outer frame to the movable bracket provided in the lower part on one side edge of the front frame Provided with locking means for locking;
The upper locking means is a hinge shaft projecting downward on the upper movable metal fitting, and the hinge shaft has a base end side as a circular shaft portion and a tip end side thereof than the circular shaft portion. With a narrow flat shaft,
The upper support means is a protruding piece that protrudes forward from the upper end surface of the upper fixing bracket, and the protruding piece is formed by cutting out the tip side thereof and having a width that allows the flat shaft portion to be inserted. Providing a groove and a bearing hole that communicates with the cutout groove and into which the circular shaft portion is fitted;
The lower surface of the circular shaft portion formed at the boundary between the circular shaft portion and the flat shaft portion of the hinge shaft is a downward inclined surface from the rear upper side to the front lower side, and is located on both sides of the notch groove of the protruding piece. The upper surface to be inclined is an upward inclined surface from the lower front side to the rear upper side,
Further, the flat shaft portion of the hinge shaft is provided with a protrusion-like restricting protrusion, and the restricting protrusion is in a state in which the locking means of the lower fixed bracket and the support means of the lower movable bracket are locked. In the pachinko gaming machine, the circular shaft portion of the hinge shaft of the upper movable metal fitting is provided at a position where it abuts the lower surface of the protruding piece when removed from the bearing hole of the upper fixed metal fitting . Front frame support structure.

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