JPH0615626Y2 - Hinges for pachinko machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a hinge for attaching a front frame to a side frame of a pachinko machine so that the front frame can be opened and closed.

<Prior Art> A conventional pachinko machine hinge is as shown in FIG.
A downward pin 6 is projectingly provided on a horizontal mounting plate 5 of the hinge movable part 3 fixed to the front frame 1, and this pin 6 is bored in a horizontal mounting plate 9 of the hinge fixing part 4 fixed to the side frame 2. Bearing hole 10
It was configured to be inserted into. When the hinge fixing part 4 and the hinge movable part 3 are assembled to the upper surface of the horizontal mounting plate 9, the pin 6
A guide groove 12 for guiding the is engraved. A bearing portion 11 is formed below the bearing hole 10 by bending a steel plate of an extended portion of the vertical mounting plate 8 into a tubular shape (Actually published 59-19965).
No. 8, etc.).

<Problems to be Solved by the Invention> However, the pin 6 protruding from the horizontal mounting plate 5 of the hinge movable part 3 is formed in the horizontal mounting plate 9 of the hinge fixing part 4, and the bearing hole 10 and the bearing part are formed. The hinge having the structure to be inserted into 11 has the following problems.

(A) Since the bearing portion 11 provided on the hinge fixing portion is formed by bending the steel plate of the extension portion of the vertical mounting portion 8, a special processing step is required, increasing the number of steps and increasing the manufacturing cost. .

(B) Furthermore, since the relatively prominent bearing 11 is exposed on the outer surface (front side) of the pachinko machine, the design of the pachinko machine is impaired.

(C) Since the pin serving as the pivot is attached to the hinge movable portion 3, the pivot is likely to swing, and the front frame 1 is apt to rattle.

Therefore, an object of the present invention is to provide a hinge for a pachinko machine, which can be manufactured at a low cost and has a good design, in which rattling of the front frame does not easily occur in order to solve the above problems.

<Means for Solving Problems> The present invention has been made to solve the above problems, and is configured as follows.

The pachinko machine hinge of the present invention comprises an upper hinge attached to the upper corner of the pachinko machine and a lower hinge attached to the lower corner of the pachinko machine. The front frame is attached to the side frame of the pachinko machine so that the front frame can be opened and closed. In the hinge, the upper hinge and the lower hinge each consist of a hinge fixing part fixed to the side frame and a hinge movable part fixed to the front frame, and the hinge fixing part of the upper hinge is a horizontal mounting plate with respect to a vertical mounting plate. Is bent at a right angle to be integrally formed, and an upward pin is projected on the protruding end of the horizontal mounting plate, and the hinge movable part of the upper hinge is integrally formed by bending the horizontal mounting plate at a right angle with respect to the vertical mounting plate. At the protruding end of the horizontal mounting plate of the hinge movable part, a bearing hole into which the pin is inserted is bored, and the hinge fixing part of the lower hinge has a substantially triangular flat part that fits inside the side frame. Compared with the horizontal mounting plate, the vertical mounting part has a flat side edge. Integrally formed so as to rise in Luo vertically upward,
An upward pin is projected on the protruding end of the horizontal mounting plate, and the hinge movable part of the lower hinge is integrally formed by bending the horizontal mounting plate at a right angle to the vertical mounting plate. A bearing hole into which the pin is fitted is formed in the protruding end,
Each of the hinge movable parts of the upper hinge and the lower hinge is assembled by inserting a bearing hole into a pin on the hinge fixing side so that both the hinge movable parts are located above the hinge fixing parts.

<Example> Hereinafter, a hinge according to the present invention will be described in detail based on an example.

FIG. 1 is an exploded perspective view of an upper hinge attached to the upper left corner of a pachinko machine, and FIG. 2 is a perspective view showing a state of the upper hinge when the front frame 1 of the pachinko machine is opened.

This upper hinge is a hinge movable part 23 attached to the front frame 1.
And a hinge fixing portion 24 fixed to the side frame 2, and a pin 26 is projected upward from a protruding end portion 29a of the horizontal mounting plate 29 of the hinge fixing portion 24. This pin 26 is used for the pillar 2
6a and a dish portion 26b, and is inserted into a pin fixing hole 32 formed in the protruding end portion 29a. still,
When a step is provided in the peripheral diameter near the base of the dish portion 26b, the pillar portion 26a of the pin 26 is moved to the projecting end portion 29 in the state shown in FIG. Put it out)
Since it will be fixed, the trouble of welding etc. becomes unnecessary.

The hinge fixing part 24 is integrally formed with a vertical mounting plate 28 vertically downward with respect to the horizontal mounting plate 29. Further, two mounting holes 29b are provided on the end side of the horizontal mounting plate 29, and the vertical mounting plate 28 also has an end. Two mounting holes 28a (one does not appear in the drawing) are formed on the side of the unit.

On the other hand, the hinge movable portion 23 is integrally formed with a vertical mounting plate 27 and a horizontal mounting plate 25 in which a part thereof is bent at a right angle in the horizontal direction, and a pin 26 is provided at a projecting end 25a of the horizontal mounting plate 25.
A bearing hole 30 for inserting is inserted, and two attachment holes 27a are formed on the end portion side of the vertical attachment plate 27.

The hinge having such a structure can be manufactured by press working with a small number of processing steps, and the pin 26 is also easily fixed by crimping by pressing.

The upper hinge configured as described above has the hinge movable portion 23.
Is a horizontal mounting plate 25 on the upper left side of the front frame 1 of the pachinko machine.
And the vertical mounting plate 27 are brought into contact with each other and screwed using the mounting holes 27a, and the hinge fixing portion 24 is further provided on the upper left side of the side frame 2 of the pachinko machine.
Are brought into contact with each other and screwed using the mounting holes 28a and 29b.

On the other hand, lower hinges as shown in FIG. 3 are attached to the lower left corners of the front frame 1 and the side frame 2 of the pachinko machine.

This lower hinge is a hinge movable part 43 attached to the front frame 1.
And a hinge fixing portion 44 fixed to the side frame 2, and a pin 46 similar to the above is projectingly provided on a protruding end portion 49a of a horizontal mounting plate 49 of the hinge fixing portion 44.

The horizontal attachment plate 49 of the hinge fixing portion 44 is provided with a substantially triangular flat portion that enters the inside of the side frame 2, and the vertical attachment plate 48 is integrally formed so as to rise vertically upward from the side end of the flat portion. . Two mounting holes 48a are formed in the vertical mounting plate 48 slightly above the center.

In this manner, the horizontal mounting plate 49 is provided with a substantially triangular flat portion that enters the inside of the side frame 2, and the vertical mounting plate 48 is integrally formed so as to rise vertically upward from the side end of the flat portion. Even if the shape of the vertical mounting plate 48 is small, sufficient fixing strength is obtained, and the shape of the hinge fixing portion 44 can be downsized.

On the other hand, the hinge movable part 43 is integrally formed with a vertical mounting plate 47 and a horizontal mounting plate 45 obtained by bending a part of the vertical mounting plate 47 in the horizontal direction.
A bearing hole 50 into which the pin 46 is fitted is formed in the protruding end portion 45a of the horizontal mounting plate 45, and two mounting holes 47a are formed in the end portion side of the vertical mounting plate 47.

The lower hinge of such a structure can be manufactured by a small number of working steps such as press working, as described above. Further, in this lower hinge, the hinge movable portion 43 is provided at the lower left corner of the front frame 1 of the pachinko machine at the horizontal mounting plate 45 and the vertical mounting plate 4.
7 is abutted and screwed by using the two mounting holes 47a formed in the vertical mounting plate 47, and the hinge fixing portion 44 is vertically mounted on the lower left corner of the side frame 2 of the pachinko machine. The plate 48 and the horizontal mounting plate 49 are brought into contact with each other and screwed using the mounting holes 48a.

Then, as shown in FIG. 4, the bearing hole 30 of the hinge movable portion 23 of the front frame 1 is fitted into the pin 26 of the hinge fixing portion 24 of the upper hinge fixed to the upper portion of the side frame 2, and similarly, The front frame 1 is attached to the pin 46 of the hinge fixing part 44 of the lower hinge fixed to the lower part.
The bearing hole 50 of the hinge movable part 43 is inserted and the front frame 1 of the pachinko machine is attached to the side frame so as to be openable and closable. At this time, each hinge movable part 23, 4 in the upper hinge and the lower hinge.
3 is located on the hinge fixing portions 24 and 44, so that the bearing holes 30 are formed in the pins 26 and 46 on the hinge fixing portion side.
50 is inserted and assembled.

In the hinge having such a structure, the pins 26 and 46 serving as pivots are provided.
Since it is fixed to the hinge fixing part side, if the clearance at the time of fitting with the bearing hole is appropriate, even the front frame of a heavy pachinko machine can be opened and closed without rattling. Since the pins 26 and 46 can be short in length, they are not noticeable in appearance.

<Operations and effects of the invention> As described above, according to the pachinko machine hinge of the present invention, the horizontal mounting plates of both the upper hinge and the lower hinge fixed part of the hinge fixed to the side frame of the pachinko machine, A pin protruding upward is projected, and a horizontal mounting plate for both the upper and lower hinge movable parts that are fixed to the front frame is provided with a bearing hole into which the pin on the fixed side is inserted. Therefore, since the pins serving as pivots of the upper and lower hinges are fixed to both hinge fixing parts, the center of rotation of the front frame is fixed, and rattling of the front frame is considerably reduced compared to the conventional one. It

Since both the upper and lower hinges are assembled so that the hinge movable part is located above the hinge fixed part, with the front frame open, the load of the front frame is evenly distributed to the upper and lower hinge fixed parts. The hinge can be prevented from being deformed and friction can be reduced.

In addition, unlike the conventional case, since it is not necessary to form the bearing portion by bending, the number of processing steps is reduced, the manufacturing cost is reduced, and the appearance is more noticeable than the conventional hinge in which the cylindrical bearing portion is exposed. In addition, there is an effect that the design is improved.

Further, the hinge fixing part of the lower hinge is integrally formed with a vertical mounting plate so as to rise vertically upward from the side end of the flat part with respect to a horizontal mounting plate having a substantially triangular flat part that enters inside the side frame. Since the vertical mounting plate has a small size, sufficient fixing strength can be obtained and the hinge fixing portion can be made small.

[Brief description of drawings]

1 to 4 are drawings of an embodiment of the present invention, FIG. 5 shows a hinge for a conventional pachinko machine, and FIG. 1 is a hinge movable part 23 and a hinge attached to the upper left corner of the pachinko machine of the embodiment. FIG. 2 is an exploded perspective view of the fixing portion 24, FIG. 2 is a perspective view showing a state of the hinge when the front frame 1 of the pachinko machine is also opened, and FIG. 3 is a hinge attached to the lower left corner of the pachinko machine of the embodiment ( Perspective view showing a state in which the front frame 1 is closed),
FIG. 4 is a perspective view showing a state in which the hinge of the embodiment is attached to the upper and lower sides of a pachinko machine, and FIG. 5 shows a hinge movable part 3 and a hinge fixing part 4 which are attached to the lower left corner of the conventional pachinko machine. It is an exploded perspective view showing. 1 ... Front frame, 2 ... Side frame, 23, 43 ... Hinge movable part, 24, 44 ... Hinge fixed part, 25, 45 ... Horizontal mounting plate, 26, 46 ... Pin, 27, 47 ... ... Vertical mounting plate, 28, 48 ... Vertical mounting plate, 29, 49 ... Horizontal mounting plate, 30, 50 ... Bearing hole.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References SHO 48-105691 (JP, U) ACT SHO 51-13883 (JP, U) ACT SHO 51-13884 (JP, U) ACT SHO 56- 6489 (JP, U) JP 54-10890 (JP, B1) JP 56-14312 (JP, B1)

Claims (1)

[Scope of utility model registration request] 1. A hinge for a pachinko machine, which comprises an upper hinge attached to an upper corner of a pachinko machine and a lower hinge attached to a lower corner of the pachinko machine, wherein the front frame is attached to a side frame of the pachinko machine so that the front frame can be opened and closed. The upper hinge and the lower hinge each consist of a hinge fixing part fixed to the side frame and a hinge movable part fixed to the front frame, and the hinge fixing part of the upper hinge has a horizontal mounting plate at a right angle to a vertical mounting plate. Is formed integrally with the horizontal mounting plate by projecting an upward pin at the protruding end of the horizontal mounting plate, and the hinge movable portion of the upper hinge is integrally formed by bending the horizontal mounting plate at a right angle with respect to the vertical mounting plate. A bearing hole into which the pin is inserted is bored in the protruding end of the horizontal mounting plate of the hinge movable part, and the hinge fixing part of the lower hinge is a substantially triangular flat plate that fits inside the side frame. The horizontal mounting plate has a vertical mounting part on the side of the flat part. Is integrally formed so as to rise vertically upward from the horizontal mounting plate, and an upward pin is projectingly provided at a protruding end portion of the horizontal mounting plate, and the hinge movable portion of the lower hinge is bent at a right angle to the horizontal mounting plate with respect to the vertical mounting plate. Bearing holes into which the pins are inserted are bored at the projecting end of the horizontal mounting plate of the hinge movable part, and the hinge movable parts in the upper hinge and the lower hinge are both A hinge for a pachinko machine, characterized in that it is assembled by inserting the bearing hole into a pin on the hinge fixing portion side so as to be located above the hinge fixing portion.