JP3528121B2 - Locking device for pachinko machines - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko machine locking device for locking a front frame of a pachinko machine to a main body frame and a glass frame openably and closably mounted in the front frame to the front frame. Regarding

[0002]

2. Description of the Related Art As a locking device for locking a front frame of a pachinko machine to a main frame, a sliding rod is slidably arranged inside a base frame composed of a mounting plate and a supporting plate having an L-shaped cross section. , Hook members are connected to the sliding rods on the upper and lower parts of the support plate and are pivotally supported so that they can be tilted, and the cylinder lock is inserted in the middle of the mounting plate from the hole provided in the mounting plate to the inside. A locking device, which is fixed to the lock shaft and has a cam plate that is engaged with the sliding rod fixed to the tip of the lock shaft, is generally used (for example, Japanese Utility Model Publication 57).
-8867 gazette etc.).

[0003]

On the other hand, a glass frame fitted with glass is attached to the front frame of the pachinko machine so that the glass frame can be opened and closed. This type of locking device locks the glass frame. No locking tool for glass frame is provided, and an operating rod with an operating piece for simply unlocking the locking tool for glass frame,
Only the mechanism provided in the base frame of the locking device and sliding the operating rod by the rotation of the cam plate by the cylinder lock is provided.

For this reason, it is necessary to separately install the locking tool for the glass frame inside the front frame, and a lot of man-hours are required for the mounting work at that time, and the operating piece on the locking device side is attached to the locking tool for the glass frame. There is a problem that it is necessary to adjust the position so as to match with the receiving device, and a lot of man-hours are required for the adjusting work at the time of mounting.

Therefore, conventionally, according to JP-A-9-117554 and JP-A-10-277242, a pachinko machine in which a locking device for a front frame and a locking device for a glass frame are incorporated in one base frame. Locking device was proposed.

This locking device is provided inside the support plate of the base frame,
Sliding rods with hook members for locking the glass frame on the top and bottom are arranged so that they can slide up and down, and part of the sliding rods is extended to a position where it can engage with the cam plate inside the support plate. By rotating the cam plate by the cylinder lock to the opposite side, the sliding rod for locking the glass frame is slid, and thereby the hook member for the glass frame is slid to unlock the glass frame. is there.

However, the sliding rod having the hook member for locking the glass frame is slidably arranged between the supporting plate of the base frame and the connecting rod for locking the front frame and has a relatively large size. When the sliding rod slides between the support plate and the front frame locking connecting rod, a large sliding resistance is generated, and the key rotation when unlocking the glass frame occurs. There was a risk that the dynamic operation force would become heavy.

Therefore, in the conventional locking device described above, in order to reduce the sliding resistance of the sliding rod and the connecting rod, the hook member for locking the front frame is pivotally supported at a position slightly separated from the support plate of the base frame. As described above, the bracket is fixed on the mounting plate of the base frame, and the hook member is pivotally supported on the bracket. Therefore, there has been a problem that the number of parts such as the bracket is increased, the number of work steps for fixing the bracket to the base frame is increased, and the manufacturing cost is increased.

The present invention has been made to solve the above-mentioned problems, and provides a locking device for a pachinko machine with a built-in glass frame locking tool that can reduce the number of parts and can be unlocked by a light operation. The purpose is to do.

[0010]

To achieve the above object, in the locking device of the present invention, a sliding rod is slidably disposed inside a vertically long base frame composed of a mounting plate and a supporting plate. , A hook member is pivotally supported on the upper and lower parts of the support plate so as to be tiltable by being connected to a sliding rod, and a cylinder lock is fixed to a mounting plate of the base frame so that its lock shaft is inserted inward. A cam plate that engages with the sliding rod is fixed to the tip of the lock shaft, and a glass frame locking rod having a hook portion at the top and bottom is along the longitudinal direction inside the base frame,
Engagement portion which is slidably arranged in a state where the hook portion is projected to the front side from a long hole provided in the mounting plate, and the cam plate can be engaged with a part of the glass frame locking rod. In the locking device for a pachinko machine provided with, the hook members are pivotally supported respectively on upper and lower support projections formed to project inside the support plate, and the sliding rod is separated from the support plate. The hook members above and below are connected at a position, and the glass frame locking rod is slidably arranged between the support plate and the sliding rod, and the attachment corresponding to the hook member is provided. A slit-shaped guide hole is formed on the plate in the width direction of the hook member, and an end of each hook member is slidably inserted into each guide hole.

[0011]

In the locking device having such a structure, when the front frame is closed with respect to the main body frame, the upper and lower hook members of the locking device come into contact with the receiving fittings on the main body frame side and are locked while tilting downward. Then, it is locked. When unlocking it, turn the cylinder lock with the key and rotate the cam plate, the engaging part of the cam plate engages the sliding rod and slides it, and the upper and lower hook members tilt. . By this tilting of the hook member, the engagement with the metal fitting of the main body frame is released, and the front frame can be opened.

The upper and lower hook members are pivotally supported by upper and lower support protrusions formed so as to project inside the support plate, and a sliding rod connects the upper and lower hook members at a position apart from the support plate. Since the rotation resistance of the hook member and the sliding resistance of the sliding rod are very small, the locking / unlocking operation (operation) can be performed smoothly. In addition, a slit-shaped guide hole is formed in the width direction of the hook member on the mounting plate corresponding to the hook member, and the end of each hook member is slidably inserted into each guide hole. Can be tilted while being guided by the guide hole, and the rattling of the hook member can be prevented.

On the other hand, when the glass frame in the front frame is closed with respect to the front frame, the locking part in the glass frame hits the hook part of the glass frame locking rod protruding from the mounting plate of the locking device mounted on the front frame side. While sliding this, the glass frame is closed, and at this time, the locking part is locked to the hook part, and the glass frame is locked.

To unlock the glass frame, the key of the cylinder lock is turned in the opposite direction and the cam plate is turned in the same direction.
At this time, the engagement portion of the cam plate engages with the engagement hole of the glass frame locking rod and slides it. By the sliding of the glass frame locking rod, the engagement piece of the glass frame and the hook portion are disengaged, and the glass frame is unlocked.

Since the glass frame locking rod is slidably disposed in the gap between the support plate and the sliding rod, the glass frame locking rod can be operated (operated) with a relatively small sliding resistance. .

Further, the supporting protrusions for supporting the hook members are formed by punching out both side portions of a part of the supporting plate of the base frame by press working, and pushing out the central portion thereof to the inside, so that the bracket projecting portions can be separately provided. The hook member can be supported by a simple press work without attaching.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 shows a front view of the locking device, FIG. 2 shows a left side view thereof, FIG. 3 shows a right side view thereof, and FIG. 4 shows a rear view thereof. Reference numeral 1 denotes a vertically long base frame formed by bending a mounting plate 2 and a support plate 3 at a substantially right angle and integrally forming the mounting plate 2 and a support plate 3 at the rear edge of the support plate 3 for mounting various devices. The part 3a is formed. A plurality of mounting holes are formed in the mounting plate 2, and bent edges are formed to bend the edges for reinforcement.

A part of the metal plate is cut and raised inside the upper and lower portions of the support plate 3 to form support protrusions 31, 3
3 is formed so as to project inward. That is, the support protrusions 31 and 33 protruding inward of the support plate 3 are formed by punching out both side portions of a part of the support plate 3 by press working and extruding the central portion inward. The supporting protrusion 3
The hook members 4 and 5 are pivotally supported by the pivot pins 4a and 5a on the pins 1 and 33, respectively. Rivet or metal eyelets can be used for the pins. The hook members 4 and 5 each have a triangular head portion, and have an engaging concave portion facing upward in the middle portion thereof. In addition, a sliding rod 6 is provided at an intermediate portion of the support plate 3
Intermediate support protrusion 3 for slidably supporting away from
2 is similarly formed by cutting and raising a part of a metal plate inward.

As shown in FIGS. 8 and 9, the upper and lower hook members 4 and 5 are support protrusions 3 provided on the inside of the support plate 3 so as to protrude.
The hook members 4, 5 are pivotally supported by the hook members 4, 5, but the pivot members of the hook members 4, 5 are provided so as to project toward the support protrusions.
5 does not have a sliding portion with the support plate 3. Further, since the sliding rod 6 that connects the hook members 4 and 5 is also arranged apart from the support plate 3, the sliding resistance of the sliding rod 6 and the rotation resistance of the hook members 4 and 5 are minimized. be able to.

Further, slit-shaped guide holes 28 and 29 are formed along the width direction of the hook members at positions on the mounting plate 2 corresponding to the upper and lower hook members 4 and 5, respectively.
The ends of the hook members 4 and 5 are slidably inserted into and guided. The hook members 4 and 5 are rotatably supported on the support protrusions 31 and 33 only by the pivot pins 4a and 4b, and are easily rattled. However, the ends of the hook members 4 and 5 are inserted into the guide holes 28 and 29. By being guided and guided, rattling of the hook members 4 and 5 can be eliminated.

As shown in FIGS. 3 and 4, a sliding rod 6 is slidably arranged inside the base frame 1 along the support plate 3, and the upper end of the sliding rod 6 is provided with a hook member 4. The end is connected by a connecting pin 4b, and the lower end is similarly connected by a connecting pin 5b to the end of the lower hook member 5. As shown in FIGS. 5 and 6, the sliding rod 6
Has a long hole 6a formed in the middle thereof, a guide pin 6b is inserted through the long hole 6a, and is fixed to the intermediate support protrusion 32 of the support plate 3, and the middle portion of the sliding rod 6 is guided by the guide pin 6b. To be done. Further, as shown in FIG. 5, an engaging portion 17 with which a first engaging portion 8a of a cam plate 8 described later engages with a wide portion provided at a lower portion of the sliding rod 6 inside the wide portion. Formed by bending into. The hook members 4, 5 and the sliding rod 6 for moving the hook members constitute a locking mechanism for the front frame of the pachinko machine.

A mounting bent portion 18 for mounting the cylinder lock 7 is formed on the lower portion of the mounting plate 2. Mounting bent part 1
8 is a structure in which a part of the mounting plate 2 is cut open and bent inward to form a concave shape, and the base portion of the cylinder lock 7 is put inside the base frame 1 and the base portion (flange) is fixed thereto. Is. The cylinder lock 7 has a flange 7a at its base,
As the lock shaft is inserted inside the base frame 1, the flange 7
A is fixed to the bent portion 18 by screwing. In this way, by fixing the cylinder lock 7 to the mounting bent portion 18 formed in a concave shape inside the base frame 1, the protrusion length of the cylinder lock 7 to the front surface is shortened, and the standardized cylinder lock is obtained. It can be favorably used for a front frame having a small thickness.

A cam plate 8 having a first engaging portion 8a and a second engaging portion 8b is fixed to the lock shaft of the cylinder lock 7. When the cam plate 8 is rotated counterclockwise in FIG. 4, the first engaging portion 8a of the cam plate engages with the engaging portion 17 of the sliding rod 6 and slides the sliding rod 6 upward. , The hook members 4, 5 are tilted. A coil spring 9 is hooked between the sliding rod 6 and the mounting plate 2, and the sliding rod 6 is urged downward by the coil spring 9.

Further, a glass frame locking rod 10 is slidably disposed in a gap between the sliding rod 6 and the support plate 3. As shown in FIGS. 5 and 6, the glass frame locking rod 10 has hooks 12 and 13 formed on the upper and middle portions of the strip-shaped metal so as to face forward, and the second engaging portion 8b of the cam plate 8 is formed on the lower portion. It is formed by providing an engaging portion 14 capable of engaging with. The upper and lower hooks 12 and 13 are formed to be engageable with locking pieces provided on a glass frame, which will be described later, and an operating portion 15 for manual operation is provided in a protruding manner at an intermediate portion of the glass frame locking rod 10. It

A glass frame locking rod 1 is attached to the mounting plate 2 of the base frame 1.
Long holes 2a and 2b for inserting 0 hooks 12 and 13
Are formed as shown in FIGS. The glass frame locking rod 10 has its hook portions 12 and 13 projecting outward from the long holes 2a and 2b, and the engaging portion 14 is arranged in the vicinity of the cam plate 8 so that the base frame 1 and the sliding rod 6 are connected. It is arranged so that it can slide up and down. A coil spring 16 is hooked between the glass frame locking rod 10 and the mounting plate 2, and the glass frame locking rod 10 is biased upward by the coil spring 16.

The locking device constructed as described above is shown in FIG.
As shown in, in the inside of the front frame 21 made of, for example, a synthetic resin in the pachinko machine, with the tip of the cylinder lock 7 exposed to the front and the hook members 4 and 5 protruding toward the main frame 20,
It is mounted vertically using the mounting plate 2.

On the other hand, the receiving metal fittings 24 and 25 are fixed at the upper and lower positions corresponding to the hook members 4 and 5 inside the main body frame 20. Further, the glass frame 22 is attached to the opening of the front frame 21 so that the hinge can be opened and closed, and the free ends of the glass frame 22 can be engaged with the hook portions 12 and 13 of the glass frame locking rod 10. 26 and 27 are formed.

When the front frame 21 of the pachinko machine is closed with respect to the main body frame 20, this locking device for the pachinko machine is shown in FIG.
As shown in 0, the upper and lower hook members 4 and 5 of the locking device hit the receiving fittings 24 and 25 on the body frame 20 side and tilt downward,
The coil spring 9 is returned and locked by the urging force of the coil spring 9 to be locked.

In order to unlock it, the cylinder lock 7 is rotated by the key to rotate the lock shaft and the cam plate 8 is rotated clockwise in FIG. 1, so that the first engaging portion 8a of the cam plate 8 slides on the sliding rod 6. The upper and lower hook members 4 and 5 are tilted downward by engaging with the engaging portion 17 and sliding it upward. By the tilting of the hook members 4 and 5, the engagement with the receiving fittings 24 and 25 of the main body frame 20 is released, and the front frame 21 becomes openable.

On the other hand, when the glass frame 22 in the front frame 21 is closed with respect to the front frame 21, the engaging portions 26 and 27 in the glass frame 22 are hooked portions 12 of the glass frame locking rod 10 as shown in FIG. , 13 and is closed by sliding them downward, and the glass frame locking rod 10 is pressed by the urging force of the coil spring 16.
Returns to the top. As a result, the hook portions 12 and 13 are attached to the locking portion 2
6, 27 are locked, and the glass frame 22 is locked.

When the glass frame 22 is unlocked, the key of the cylinder lock 7 is turned in the opposite direction and the cam plate 8 is rotated clockwise in FIG. The engaging portion 14 of the glass frame locking rod 10 is engaged and slid downward, and the upper and lower hook portions 12 and 13 are slid downward. By this operation, the locking pieces 26 and 27 of the glass frame 22 and the hook portion 1
The engagement with Nos. 2 and 13 is released, and the glass frame 22 is opened.

In this way, the base frame 1 of the locking device for the front frame
Since the glass frame locking rod 10 is built in, the base frame 1
By simply fixing the mounting plate 2 to the inside of the front frame 21, it is not necessary to separately install the locking tool for the glass frame, and the mounting work can be performed easily.

Further, the upper and lower hook members 4 and 5 are formed by projecting inward of the support plate 3, and upper and lower support projecting portions 3 are formed.
Since the sliding rod 6 is pivotally supported by the first and the third members 33 and the upper and lower hook members 4 and 5 are connected to each other at a position distant from the support plate 3, the rotation resistance of the hook members and the sliding rod 6 can be reduced. The sliding resistance is very small, and locking / unlocking operations (operations) can be performed smoothly. In addition, slit-shaped guide holes 28 and 29 are formed in the width direction of the hook member on the mounting plate 2 corresponding to the hook members 4 and 5, and the ends of the hook members can slide in the guide holes 28 and 29. Since the hook members 4 and 5 are inserted, the ends of the hook members 4 and 5 are tilted while being guided by the guide holes, so that the hook members can be prevented from rattling.

[Brief description of drawings]

FIG. 1 is a front view of a locking device according to an embodiment of the present invention.

FIG. 2 is a left side view thereof.

FIG. 3 is a right side view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is an exploded right side view of the locking device.

FIG. 6 is an exploded left side view of the locking device.

FIG. 7 is a right side view of the glass frame locking rod unlocking operation with the sliding rod 6 removed.

FIG. 8 is an enlarged view of a portion of the hook member 4.

9 is a sectional view taken along line IX-IX in FIG.

FIG. 10 is a right side view showing a usage state of the locking device.

[Explanation of symbols]

1-base frame 2-Mounting plate 3-Support plate 4,5-Hook members 6-sliding rod 7-cylinder lock 8-cam plate 10-Glass frame locking rod 12, 13-Hook 28, 29-guide hole 31, 33-Supporting protrusion

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-10-277242 (JP, A) JP-A-9-168654 (JP, A) JP-A-10-15198 (JP, A) JP-A-9- 117554 (JP, A) Actual development 60-2585 (JP, U) Actual development 55-166281 (JP, U) Actual development 55-51209 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) A63F 7/02 327 E05B 61/00

Claims (2)

(57) [Claims] 1. A sliding rod is slidably disposed inside a vertically long base frame composed of a mounting plate and a supporting plate, and a hook member is connected to the sliding rod above and below the supporting plate to tilt. Pivoted as possible,
A cylinder lock is fixed to the mounting plate of the base frame so that the lock shaft is inserted inward, a cam plate that engages with the sliding rod is fixed to the tip of the lock shaft, and a glass having a hook portion at the top and bottom. A frame locking rod is slidably arranged inside the base frame along the longitudinal direction with the hook portion protruding from a long hole provided in the mounting plate to the front side. In a locking device for a pachinko machine, in which a part of a locking rod is provided with an engaging portion with which the cam plate can be engaged, a hook member is provided at upper and lower supporting protrusions formed to project inside the supporting plate. Are each pivotally supported, and the sliding rod is disposed at a position apart from the supporting plate by connecting the upper and lower hook members, and the glass frame locking rod is provided between the supporting plate and the sliding rod. Is slidably arranged, and a slit-shaped guide hole is formed in the width direction of the hook member on the mounting plate corresponding to the hook member. The locking device for a pachinko machine, wherein the end of each hook member is slidably inserted into each guide hole. 2. The support protrusion is formed by punching out both side portions of a part of the support plate of the base frame by press working, and extruding the central portion inward. Locking device for pachinko machines.