JPH08168566A - Lock device for synthetic resin made pachinko machine - Google Patents

Abstract

PURPOSE: To improve workability and to reduce cost by considerably decreasing the number of components of the lock device. CONSTITUTION: Pawl receiving parts 10 are integrally formed on the upper and lower sides inside a main body frame 1 positioned on the opened side of a front surface frame 2. A synthetic resin lock member 11 formed with a pawl part and an elastic piece is fitted onto the opened side rear of the front surface frame in such a manner as to be freely turned. Both the ends of a mobile handle 13 are pivotally attached to the lock member and further, a spring receiver 18 and a guide part 25 to engage the elastic piece of the lock member are integrally formed at the front surface frame at the time of front surface frame resin molding. The lock member is energized by the elastic piece so that the pawl part of the lock member can be engaged with the pawl receiving part 10 of the main body frame and the mobile lever 13 is moved upward by a cam member fitted to the turning shaft of a lock 15 so that the engagement between the pawl receiving part of the main body frame and the pawl part of the lock member can be released.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a pachinko machine made of synthetic resin.

[0002]

2. Description of the Related Art In a conventional pachinko machine locking device, locking metal fittings are fixed to the upper and lower positions of a main body frame located on the open side of the front frame with screws, and a fixing plate is fixed to the open rear surface of the front frame with screws. A locking rod, which is fixed to the fixing plate and has locking claws for engaging and disengaging with the locking metal fitting of the main body frame, is attached so as to be movable up and down, and the locking rod is constantly urged to a lower position by a coil spring. The front frame was locked by engaging the locking claw of the locking rod with the locking metal fitting of the main frame, and the locking rod was moved upward by the operation of the lock to unlock the front frame. .

[0003]

In a conventional locking device for a pachinko machine, many structures such as a locking metal fitting attached to a main body frame, a fixing plate attached to a front frame, a coil spring for urging a locking rod, etc. Because it needs parts
Not only the structure is complicated and the assembly work is troublesome,
The large number of parts led to higher costs.

SUMMARY OF THE INVENTION The present invention is intended to solve the above-mentioned problems, and when a main frame and a front frame are molded from synthetic resin, some of the constituent parts of the locking device are integrally molded to form an assembled part. An object of the present invention is to provide a locking device for a pachinko machine made of synthetic resin, which is capable of reducing the number of points and simplifying the entire structure to significantly reduce the manufacturing cost.

[0005]

In order to achieve the above object, the present invention provides a pachinko machine in which a main body frame and a front frame openably and closably attached to the front surface of the main body frame are formed of synthetic resin. A claw receiving part is integrally formed at the upper and lower positions inside the main body frame located on the open side of the front frame during resin molding of the main frame, and a claw part and an elastic piece are formed at the upper and lower positions on the rear side on the open side of the front frame. A resin locking member is rotatably attached, and both upper and lower ends of the movable rod are pivotally connected to both locking members.
Further, a spring receiving piece with which the elastic piece of the locking member engages and a guide portion positioned in contact with the lower surface of the locking member are integrally formed on the front frame during resin molding of the front frame. The locking member is urged by the elastic piece so that the claw portion of the lock engages with the claw receiving portion of the main body frame, and the moving rod is moved upward by the cam member attached to the rotation shaft of the lock. The engagement between the claw receiving portion of the main body frame and the claw portion of the locking member is released.

[0006]

According to the present invention, the claw receiving portion of the main body frame and the guide portion of the locking member rotatably attached to the front frame are integrally formed during resin molding of the main frame and the front frame.
The number of parts can be significantly reduced. Further, since the locking member and the elastic piece for urging the locking member to the locking position are integrally formed of synthetic resin, not only the coil spring as the urging member becomes unnecessary but also the assembling work can be performed. It will be easy.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a pachinko machine to which the present invention is applied, and FIG. 2 is a perspective view with a front frame opened. In the figure, 1 is a main frame of a pachinko machine integrally molded with synthetic resin, and 2 is a front frame integrally molded with synthetic resin similar to the main frame 1, one side of which can be opened and closed on the front surface of the main frame 1. It is attached to the shaft 3, 3. The front frame 2 has a frame-like shape with a window hole formed in a substantially central portion thereof, and a game board mounting frame 4 is integrally formed on the peripheral edge of the rear surface of the window hole. Reference numeral 5 is a game board detachably attached to the game board attachment frame 4, and 6 is a glass door frame which is pivotally attached to the window hole of the front frame 2 so as to cover the front surface of the game board 5, and which is pivotably attached. . A lock device 8 (see FIG. 7) having a known structure is attached to the inner peripheral surface of the window hole located on the open side of the glass door frame 6, and an operation knob protruding rearward from the game board mounting frame 4 is provided. By moving 9 downward, the locking of the glass door frame 6 is unlocked and the glass door frame 6 can be opened.

The locking device according to one embodiment of the present invention includes a front frame 2
At the upper and lower positions inside the body frame 1 located on the open side of the
0 and 10 are provided, and locking members 11 and 11 are rotatably provided at upper and lower positions on the rear surface on the open side of the front frame 2, respectively. The upper and lower ends of the long moving rod 13 are pivotally connected. This moving rod 13 is moved up and down by the operation of a lock 15 attached to the front frame 2 to lock and lock the front frame 2 by engaging and disengaging the locking members 11, 11 with the pawl receiving portions 10, 10. It can be unlocked.

More specifically, the claw receiving portion 10 of the main body frame 1,
As shown in FIG. 3, 10 has inclined first guide edges 10a, 10a formed on the front surface thereof, and the first guide edges 10a, 10a are formed.
Horizontal receiving portions 10b, 10b are formed behind a, and rear portions of the horizontal receiving portions 10b, 10b are projected upward to form inclined second guide edges 10c, 10c. The claw receiving portions 10 and 10 are integrally formed at the time of resin molding of the main body frame 1, so that the main body frame 1 can be formed as in the conventional device.
There is no need to attach screws to the locking metal fittings, and the assembly work can be simplified. Moreover, the number of parts can be reduced, and the cost can be reduced.

As shown in FIGS. 4 and 5, the locking members 11, 11 have a shaft through hole 12 formed at the rear end thereof.
Is fitted to a protrusion 12a protruding from the outer surface of the game board mounting frame 4, and is pivotally attached in a vertically rotatable manner. Then, the screw 1 is inserted into the blind hole 12b of the protrusion 12a through the washer 12c.
It is prevented from coming off by screwing 2d together. Further, at the tip of the locking members 11, 11, with the front frame 2 closed to the main body frame 1 (see FIG. 8), the claw receiving portion 1 of the main body frame 1 is provided.
Tongue-shaped elastic pieces 17 and 17 having appropriate elasticity and restoring elasticity are provided at the upper edge of the claw portions 16 and 16 to be engaged with 0 and 10.

Claws 16, 16 of the locking members 11, 11
The front side edge of the claw receiving portion 10, 10 is smoothly contacted with the second guide edge portions 10c, 10c of the claw receiving portions 10, 10 to make contact with the claw receiving portions 10, 10.
Inclined guide surfaces 16a, 1 for engaging with the hull without any hindrance
6a is provided. Further, the elastic pieces 17, 17 are in contact with the lower surfaces of the plate-shaped spring receiving pieces 18, 18 protruding from the outer surface of the game board mounting frame 4 as shown in FIG. The claw portions 16 and 16 serve to urge the claw receiving portions 10 and 10 downward to urge the claw receiving portions 10 and 10.

Then, the locking members 11, 11 and the elastic piece 1
7 and 17 are formed by integral molding of synthetic resin, which has the advantage that a large number of products having the same shape can be mass-produced and can be used as a common part by forming a pair of upper and lower parts. There is also an advantage that the number of parts can be reduced by eliminating the need for a coil spring as a biasing member as in the conventional device.

The movable rod 13 is made of synthetic resin, and as shown in FIG. 5, the short shaft 1 projecting from both upper and lower ends.
4, 14 are small through holes 14a, 14a of the locking members 11, 11.
And is pivotally connected to the locking members 11, 11. Then, a screw 14d is screwed into the blind hole 14b of the short shaft 14 via a washer 14c so as to prevent the screw from coming off.
Further, as shown in FIG. 6, a notch concave portion 19 is formed in a side surface portion of the moving rod 13 located substantially in the middle in the length direction.
On the other hand, the lock 15 has a key 20 as shown in FIGS.
It is composed of a lock main body 22 having an insertion port 21 into which is inserted and a cam member 24 attached to a rotation shaft 23 of the lock main body 22. The moving rod 13 is attached to the cam member 24.
There is provided a first cam portion 24a that engages with the cutout recess 19 and a second cam portion 24b that engages with the operation knob 9 of the locking device 8 of the glass door frame 6.

In FIGS. 4 and 5, reference numerals 25 and 25 are guide portions which are positioned in contact with the lower surfaces of the locking members 11 and 11 and regulate the downward movement position of the locking members 11 and 11. An inclined guide surface 2 capable of contacting the first guide edge portions 10a, 10a of the claw receiving portions 10, 10 of the main body frame 1 is provided at the tip end portion thereof.
It is provided with protrusions 25b and 25b formed with 5a and 25a. The guide portions 25, 25 and the spring receiving piece 1
The reference numerals 8 and 18 are integrally formed during the resin molding of the front frame 2, whereby it is not necessary to separately provide a stopper means or a spring receiving means for restricting the downward movement position of the moving rod 13.
It has the advantage of helping to reduce the number of parts and improve workability.

The present invention is constructed as described above, and as shown in FIG. 7, the key 20 is inserted into the insertion port 21 of the lock 15 to rotate the rotary shaft 23 in the direction of arrow A (see FIG. 6). When moved, the first cam portion 24a of the cam member 24 engages with the cutout recessed portion 19 of the movable rod 13, and the movable rod 13 resists the elastic force of the elastic pieces 17, 17 of the locking members 11, 11. Move it upwards as shown by the chain line in FIG. As a result, the locking members 11, 11 rotate upward as shown by the chain line in FIG. 8 to engage the claw portions 16, 16 of the locking members 11, 11 with the claw receiving portions 10, 10 of the main body frame 1. Is released and the front frame 2 becomes releasable.

On the other hand, in order to close the opened front frame 2, when the front frame 2 is pressed against the body frame 1 by hand as shown by the chain line in FIG. 9, the slant guide surfaces of the claws 16 and 16 of the locking members 11 and 11. 16
a and 16a are the second guide edge portions 10c of the nail receiving portions 10 and 10,
When the front edge 2 is pressed, the locking members 11, 11 rotate upward as shown by the chain line in FIG. 9 against the elastic force of the elastic pieces 17, 17 due to the inclination of the guide edges 10c, 10c. Move forward while moving. Then, when the lower ends of the claw portions 16 and 16 pass through the second guide edge portions 10c and 10c of the claw receiving portions 10 and 10, the elastic members 17 and 17 elastically force the locking member 11 and
11 rotates downward and returns to the position shown by the solid line in FIG. 8 to lock the front frame 2 smoothly.

When closing the front frame 2, the front frame 2 is closed.
Even if the engaging positions of the pawl receiving portions 10 and 10 and the locking members 11 and 11 are deviated due to the weight of the open side of the guide portions 25 and 25,
The inclined guide surfaces 25a, 25a of the projecting portions 25b, 25b come into contact with the first guide edge portions 10a, 10a of the claw receiving portions 10, 10 to guide the locking members 11, 11 to a predetermined height. Therefore, it can be locked without any trouble.

Further, when the rotation shaft 23 of the lock 15 is rotated in the direction of arrow B in FIG. 6, the second cam portion 2 of the cam member 24 is rotated.
4b engages the operating knob 9 of the locking device 8 from above and pushes down the operating knob 9. As a result, the locking device 8 is unlocked and the glass door frame 6 is opened.

[0019]

As is apparent from the above description, the locking device for the synthetic resin pachinko machine according to the present invention is
The claw receiving portion that engages the claw portion of the locking member during the resin molding of the main body frame is integrally molded, and the guide portion that regulates the downward movement position of the locking member during the resin molding of the front frame and the elastic piece of the locking member Since the spring receiving piece for receiving the spring is integrally molded, the number of constituent parts can be greatly reduced, and the assembling work can be remarkably simplified, improving the workability and reducing the cost. It has an excellent effect.

[Brief description of drawings]

FIG. 1 is a front view of a pachinko machine to which the present invention is applied.

FIG. 2 is a perspective view of the pachinko machine of FIG. 1 with a front frame opened.

FIG. 3 is a perspective view of a main part of a main body frame.

FIG. 4 is a perspective view of a locking member and a guide portion mounting portion.

FIG. 5 is an exploded perspective view of FIG.

FIG. 6 is a perspective view of a lock attachment portion.

FIG. 7 is a sectional view of a main part of FIG. 6;

FIG. 8 is a front view of the main part with the front frame closed.

FIG. 9 is a front view of a main portion with a front frame opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body frame 2 Front frame 10,10 Claw receiving portion 11,11 Locking member 13 Moving rod 15 Lock 16,16 Claw portion 17,17 Elastic piece 18,18 Spring receiving piece 25,25 Guide portion

Claims (1)

[Claims] 1. A pachinko machine in which a main body frame and a front frame that is attached to the front surface of the main frame so as to be openable and closable are formed of synthetic resin, wherein a pawl is provided at an upper and lower position inside a main body frame located on the open side of the front frame. The receiving portion is integrally formed during resin molding of the main body frame, and a locking member made of a synthetic resin having a claw portion and an elastic piece is rotatably attached to the upper and lower positions of the open side rear surface of the front frame, and both the engaging portions are rotatable. Upper and lower ends of the movable rod are pivotally connected to the stop member, and further, a spring receiving piece with which the elastic piece of the locking member engages, and a guide portion positioned in contact with the lower surface of the locking member on the front frame. Is integrally molded at the time of resin molding of the front frame, and the locking member is biased by the elastic piece so that the claw portion of the locking member engages with the claw receiving portion of the main body frame, and the lock shaft is rotated. The moving rod is moved upward by the attached cam member so that the pawl receiving portion of the main body frame and the pawl portion of the locking member A locking device for a pachinko machine made of synthetic resin, characterized in that the engagement of the above is released.