JP2002177586A - Lock device of pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a lock device of a Pachinko machine from being unlocked illegally. SOLUTION: In this lock device of the Pachinko machine, a movable locking plate mounted on a door is slid in the unlocking direction by a lock mounted on the door to detach a locking claw interlocking with the movable lock plate from a receiving metal fitting mounted on the other door, thereby unlocking one door. The movable locking plate is stored in a locking plate case 12 fixed to one door. Accordingly, even if a thin plate-like special tool is inserted from a gap between one door and the other door, the special tool is interrupted by the locking plate case 12 not to come into contact with the movable locking plate. Thus, the movable locking plate will not be moved by the special tool.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock attached to one door, in which a movable lock plate attached to the door is slid in an unlocking direction, and a lock claw interlocked with the movable lock plate is moved to another door. The present invention relates to a locking device for a pachinko machine that unlocks the one door by removing the door from a metal fitting provided on the pachinko machine.

[0002]

2. Description of the Related Art A pachinko machine 100 generally has a machine frame 101 as shown in FIG.
1, a front frame 103 having a game board and the like is attached to be openable and closable like a door. A decorative frame 105 is screwed to the surface of the front frame 103, and a glass frame 106 and the like are attached to the decorative frame 105 so as to be openable and closable like a door. A first lock unit 120 (see FIG. 7) for locking the front frame 103 is attached to the back surface of the open / close free end side of the front frame 103. A second lock unit 130 that locks the glass frame 106 near 120
Is installed.

The first lock unit 120 has a movable lock plate 127 slidably mounted on a fixed base frame 122 as shown in FIG. The lock claw 12 connected to the movable lock plate 127 by being pushed up by the lock piece 125a.
8 rotates in the unlocking direction (downward). As a result, the lock claw 128 is disengaged from the receiving fitting 101k of the machine frame 101, and the front frame 103 is unlocked.

[0004] A slide plate 123 is slidably attached to the fixed base frame 122. The slide plate 123 is pushed down by a second unlocking piece 125 b of the cylinder lock 124 to push down the slide plate 123. The lever 123p (see FIG. 7) is
Press 0 down. As a result, the claw portions formed above and below the second lock unit 130 are engaged with the engagement pieces 106 of the glass frame 106.
Then, the glass frame 106 is unlocked.

[0005]

However, according to the above-described locking device for a pachinko machine, the movable lock plate 127 for rotating the lock claw 128 and the slide plate 123 for pushing down the second lock unit 130 overlap the fixed base frame 122. It is mounted so that it can slide in the state where it was placed. Therefore, for example, by inserting a thin plate-shaped special tool through a gap between the table frame 103 and the machine frame 101, the movable lock plate 127 and the slide plate 123 can be moved, and the table frame 103 and the glass frame 106 can be moved. May be opened illegally.

The present invention has been made in view of the above problems, and has as its object to provide a locking device for a pachinko machine having a structure capable of preventing unauthorized unlocking.

[0007]

The above-mentioned objects are attained by the present invention. According to the first aspect of the present invention, a movable claw plate attached to one door is slid in an unlocking direction by a lock attached to one door, and a lock claw interlocked with the movable lock plate is provided on another door. It is a locking device of a pachinko machine that unlocks the one door by removing it from a receiving fitting, wherein the movable lock plate is housed in a lock plate case fixed to the one door.

According to the present invention, since the movable lock plate is housed in the lock plate case fixed to one door, for example, a thin special tool is inserted through a gap between one door and another door. Even so, the special tool is blocked by the lock plate case and cannot contact the movable lock plate. Therefore, the movable lock plate is not moved by the special tool, and the locking device of the pachinko machine is not unlocked illegally.

Further, when the receiving metal provided on the other door is housed in the metal case except for the portion where the locking claw is hooked, the lock device is more difficult to be unlocked illegally. It is preferable that the connecting portion between the movable lock plate and the lock claw be housed in the lock plate case.

Further, the first movable lock plate and the second movable lock plate are mounted on the front frame, and the first lock claw interlocked with the first movable lock plate is a metal fitting of the glass frame. Engage with
The first movable lock plate slides in the unlocking direction by engaging the second lock pawl interlocking with the second movable lock plate with the receiving bracket of the machine frame, and rotating the lock in one direction. A structure in which the second movable lock plate slides in the unlocking direction by rotating the lock in the opposite direction may be employed.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
A locking device for a pachinko machine according to the first embodiment of the present invention will be described. Here, FIG. 1 (A) is a front external perspective view of the locking unit of the pachinko machine according to the present embodiment, FIG. 1 (B) is a rear external perspective view, FIG. 2 is a perspective view of the pachinko machine viewed from the front,
FIG. 3 is a perspective view of the pachinko machine as viewed from the rear. Also,
4 and 5 show a detailed internal view and an exploded perspective view of the lock device.

As shown in FIGS. 2 and 3, the pachinko machine 1 includes a machine frame 2 assembled and formed in a substantially rectangular frame shape. Hinge (not shown) on the front side of machine frame 2
, The front frame 3 is attached in a one-sided manner. Also,
A glass frame 5 is attached to the front of the front frame 3 via a hinge in a single-opening manner, and a front frame 6 is attached to the lower side of the glass frame 5 via a hinge in a single-opening manner.

As shown in FIG. 3, a locking unit 15 for locking the front frame 3 and the glass frame 5 is attached to the back surface of the free end side of the front frame 3. Locking unit 1
Numeral 5 is provided with a lock case 12 in the form of a rectangular tube, in which the components of the locking unit 15 are incorporated. The locking unit 15 has a fixed base frame 16 in the lock plate case 12. As shown in FIGS. 4 and 5, the fixing base frame 16 is formed in an L-shaped cross section by a mounting piece 17 and a slide holding piece 18. Although a part of the lock plate case 12 and a part of the fixed base frame 16 can be used also, it is assumed in the present embodiment that the lock plate case 12 and the fixed base frame 16 are separate bodies. Will be described.

A cylinder lock 22 is mounted near the upper center of the mounting piece 17 of the fixed base frame 16 (see FIG. 5).
The cylinder lock 22 is a lock for unlocking the front frame 3 and unlocking the glass frame 5. A first unlocking piece 23 a and a second unlocking piece are provided on a rotation shaft (not shown) of the cylinder lock 22. Piece 2
Unlock lever 23 formed in a boomerang shape by 3b
Are connected. As shown in FIG. 1, the key insertion portion 22 k side of the cylinder lock 22 is passed through a lock hole 12 k formed on the front surface of the lock plate case 12 to
2 protrudes outward (front side). As shown in FIG. 5, a first movable lock plate 50 used for locking the glass frame 5 is provided on the slide holding piece 18 of the fixed base frame 16 with upper and lower guide holes 57a and 57b and upper and lower guide pins 30. It is slidably mounted.

The first movable lock plate 50 has upper and lower first lock claws 56a and 56b, and an engagement recess 56c is formed above the first lock claws 56a and 56b. The first lock claws 56a, 56b pass through the insertion slots 27a, 27b of the fixed base frame 16 and protrude from the back side of the fixed base frame 16 (the front side of the pachinko machine 1). The formed first insertion elongated holes 12a, 1
2b, and protrudes outside (front side) of the lock plate case 12 (see FIG. 1). The first insertion slots 12a and 12b of the lock plate case 12 are formed to have a length that does not hinder the vertical movement of the first movable lock plate 50. The first movable lock plate 50 is held at the locked position (upper limit position) by constantly receiving a force in the pulling-up direction by the first spring 38b (see FIG. 4).

Between the first movable lock plate 50 and the slide holding piece 18 of the fixed base frame 16, a dispensing plate 40 is slidably mounted. The dispensing plate 40 is lowered by receiving the pressing force of the first unlocking piece 23a of the cylinder lock 22 to lower the first movable locking plate 50 to the unlocking position against the force of the first spring 38b. As shown in FIG. 5, a first operating hole 43 is provided in the upper part of the splashing plate 40 as shown in FIG. The first operation hole 43 is provided with an engagement step 43a on which the first unlocking piece 23a of the cylinder lock 22 is hung.
Are formed.

Further, a lever piece 44 for manually pushing down the splashing plate 40 from the back side of the front frame 3 is formed on the splashing plate 40. The lever piece 44
As shown in FIG. 1 (B), the lock plate case 1 is passed through an elongated hole 12r for lever formed on the rear surface of the lock plate case 12.
2 protrudes outside (rear side). In addition, the long hole 12r for lever is formed in a length which does not hinder the vertical movement of the sprout plate 40. The spring plate 40 is the third spring 3
The locking position (upper limit position) is maintained by always receiving a force in the lifting direction by 8a (see FIG. 4).

The sprung plate 40 and the first movable lock plate 50
As shown in FIG. 4 (A), an unauthorized unlocking prevention mechanism 87 is attached to the lower part. The unauthorized unlocking prevention mechanism 87
When the glass frame 5 is closed, the first movable lock plate 50
Is a mechanism for preventing the downward movement with respect to the splashing plate 40. The operation lever 92 (see FIGS. 4A and 4B) constituting the unauthorized unlocking prevention mechanism 87 is moved by the glass frame 5. It works by being pushed. The operating lever 92 is passed through the insertion hole 29a (see FIG. 5) of the fixed base frame 16, and the back side of the fixed base frame 16 (the front side of the pachinko machine 1).
The lock plate case 12 further passes through an insertion hole 12e formed on the front surface of the lock plate case 12 and protrudes outside (front side) of the lock plate case 12 (see FIG. 1). Since the detailed structure of the unauthorized unlocking prevention mechanism 87 is described in detail in Japanese Patent Application No. 8-295274 (JP-A-10-137414), the description thereof will be omitted.

As shown in FIG. 5, guide fittings 19, 19 are attached to the upper and lower portions of the mounting piece 17 of the fixed base frame 16, and the front frame 3 is attached to the guide fittings 19, 19.
The second movable lock plate 65 used for locking is slidably mounted on the first movable lock plate 50 by the guide holes 71a, 71b and the guide pins 20. The second movable lock plate 65 has upper and lower second lock claws 7.
0a, 70b, and their second lock claws 70
An engagement portion 70c is formed below the a and 70b. As shown in FIG. 1 (B), the second lock claws 70a and 70b are provided with second insertion slots 1 formed in the rear surface of the lock plate case 12.
It passes through 2x and 12y and protrudes outside (rear side) of the lock plate case 12. The second insertion slots 12x and 12y of the lock plate case 12 are formed to have a length that does not hinder the vertical movement of the second movable lock plate 65.

A second operating hole 73 is formed substantially at the center of the second movable lock plate 65, and an engaging step portion through which the second unlocking piece 23 b of the cylinder lock 22 is hooked. 73
a is formed. The second movable lock plate 65 includes a second spring 38.
The locking position (lower limit position) is maintained by always receiving the force in the pulling-down direction due to c (see FIG. 4). However, the second movable lock plate 65 is the second unlocking piece 2 of the cylinder lock 22.
By receiving a push-up force from 3b, it is possible to move up to the unlock position against the force of the second spring 38c.

The lower part of the fixed base frame 16 is shown in FIG.
As shown in (B), the third movable lock plate 75 used for locking the front frame 6 is provided with the guide holes 77a and 77b and the guide pins 36.
a and 36b so as to be slidable.
The third movable lock plate 75 has a third locking claw 76
a, 76b, and their third locking claws 76
An engagement portion 76c is formed on the upper side of a and 76b. As shown in FIG. 1A, the third lock claws 76a and 76b are formed in a third insertion slot 1 formed in the front surface of the lock plate case 12.
2m and 12n, and protrudes outside (front side) of the lock plate case 12. The third movable lock plate 75 is a third spring 38
d keeps the lock position (upper limit position) by always receiving the force in the pulling direction.

The unlocking of the front frame 6 is performed by manually pushing down the third movable lock plate 75 against the force of the third spring 38d with the glass frame 5 opened. For this reason, a long hole (not shown) through which a lever for operating the third movable lock plate 75 is formed is formed on the side surface of the lock plate case 12. Note that the third movable lock plate 75 can be disposed outside the lock plate case 12.

On the upper side surface of the fixed base frame 16, a glass frame 5 is provided.
When the glass frame 5 is opened, a projection bar 83 for pressing the glass frame 5 in the opening direction by a spring force is mounted. Protruding stick 83
1A is passed through a rod opening 12z formed in the front surface of the lock plate case 12 as shown in FIG.
Outside (front side). In addition, the stick 83
Can be mounted outside the lock plate case 12.

Locking unit 1 configured as described above
5 is vertically attached to the back surface on the free end side of the front frame 3 as described above. As shown in FIG. 2, elongated holes 3b, 3b through which first lock claws 56a, 56b protruding from the lock plate case 12 of the lock unit 15 pass are provided in the free end side of the front frame 3 so as to pass therethrough. An elongated hole 3 through which a projecting rod 83 also protruding from the lock plate case 12 is inserted below the upper elongated hole 3b.
c is penetrated. Also, a long hole 3b provided on the lower side
A long hole 3d is formed through the operation lever 92 of the unauthorized unlocking prevention mechanism 87, which also projects from the lock plate case 12. Further, elongated holes 3e, 3e through which the third lock claws 76a, 76b pass are formed in the lower portion on the free end side of the front frame 3. A lock mounting hole 3j through which the cylinder lock 22 passes is formed substantially in the center of the free end side of the front frame 3.

The first lock claws 56a, 5a of the locking unit 15 are located at predetermined upper and lower positions on the back surface of the glass frame 5 on the free end side.
Receiving metal fittings 8, 8 with which 6b are respectively engaged from below are fixed. In addition, the third locking claw 76a of the locking unit 15 is located at a predetermined upper and lower position on the back surface of the front frame 6 on the free end side.
Receiving metal fittings 9, 9 with which 76b engages from below are fixed.

As described above, since the first movable lock plate 50 is always held in the locking position (upper limit position) by receiving the force in the pulling-up direction by the first spring 38b, the first movable lock plate 50 is closed by closing the glass frame 5. The first lock claws 56a, 56b of the first movable lock plate 50 and the metal fittings 8, 8 of the glass frame 5 are engaged, and the glass frame 5 is automatically locked. Similarly,
Since the third movable lock plate 75 is always held at the locking position (upper limit position) by receiving the force in the pulling-up direction by the third spring 38d, the third movable lock plate 75 is closed by closing the front frame 6. The three lock claws 76a and 76b are engaged with the receiving metal 9 of the front frame 6, and the front frame 6 is automatically locked.

As shown in FIG. 3, on the inner surface of one vertical frame 2a of the machine frame 2, second lock claws 70a projecting rearward from the lock plate case 12 of the lock unit 15 at predetermined upper and lower positions.
The receiving fittings 7a, 7a with which 70b is engaged from above are fixed. The receiving fittings 7a, 7a are housed in the fitting case 7, and a portion (not shown) for engaging with the second lock claws 70a, 70b is arranged outside the fitting case 7. As described above, the second movable lock plate 65 is
c holds the lock position (lower limit position) by always receiving the force in the pulling-down direction, so that closing the front frame 3 causes the second lock claws 70a, 7 of the second movable lock plate 65 to close.
0b and the metal fittings 7a, 7a of the machine frame 2 are engaged, and the front frame 3 is automatically locked. As described above, the front frame 3 corresponds to one door of the present invention, and the machine frame 2, the glass frame 5, and the front frame 6 correspond to other doors of the present invention.

Next, the unlocking operation of the pachinko machine 1 will be described. First, the cylinder lock 22 is opened to open the table frame 3.
5 is rotated counterclockwise in FIG. 5 by a key (not shown). When the unlocking lever 23 rotates to the left, the second unlocking piece 23b of the unlocking lever 23 is hooked on the engaging step 73a of the second movable lock plate 65 to push up the second movable lock plate 65. As a result, the second movable lock plate 65 moves upward to the unlock position against the force of the second spring 38c, and the second lock claws 70a and 70b of the second movable lock plate 65
, And the front frame 3 is unlocked.

In order to unlock the glass frame 5 with the front frame 3 opened, the lever piece 44 of the sprout plate 40 is pressed down and the first movable lock plate 5 together with the sprout plate 40 is released.
0 is moved down to the unlocked position against the force of the first spring 38b. Thereby, the first lock claw 5 of the first movable lock plate 50
6a, 56b are removed from the metal fittings 8, 8 of the glass frame 5, and the glass frame 5 is unlocked.

In order to unlock the glass frame 5 with the front frame 3 closed, the unlock lever 23 of the cylinder lock 22 is used.
Is rotated clockwise in FIG. 5 by a key (not shown). When the unlocking lever 23 rotates clockwise, the first unlocking piece 23a of the unlocking lever 23 is hooked on the engaging step 43a of the pop-out plate 40 to push down the pop-out plate 40. When the splash plate 40 moves down, the first movable lock plate 50 is pressed down by the splash plate 40, and the first movable lock plate 50 moves down to the unlock position against the force of the first spring 38b. . Thereby, the first movable lock plate 5
The first lock claws 56a, 56b of the 0 are removed from the metal fittings 8, 8 of the glass frame 5, and the glass frame 5 is unlocked.

When the glass frame 5 is closed, the operation lever 92 of the unauthorized unlocking mechanism 87 is pushed by the glass frame 5, so that the unauthorized unlocking mechanism 8 is pressed.
7 operates. For this reason, in a state where the sprout plate 40 is in the locking position (upper limit position), that is, in a state where the unlocking operation by the cylinder lock 22 or the unlocking operation by the lever piece 44 is not performed, the first movable lock plate 50 is illegally operated. The first movable lock plate 50 does not move downward due to the operation of the unauthorized unlocking prevention mechanism 87 even if the first movable lock plate 50 is pressed down by a special tool or the like.

As described above, according to the pachinko machine locking apparatus of the present embodiment, the components of the locking unit 15
That is, the first movable lock plate 50, the second movable lock plate 65, etc.
For example, even if a thin special tool is inserted from the gap between the front frame 3 and the machine frame 2, the special tool is blocked by the lock plate case 12. And cannot contact the movable lock plates 50, 65, etc. Therefore, the movable lock plates 50 and 65 are not moved by the special tool, and the front frame 3 and the glass frame 5 of the pachinko machine are not opened illegally.

Further, since the receiving metal members 7a, 7a of the machine frame 2 are stored in the metal case 7 except for the portions where the second lock claws 70a, 70b are hooked, it is further difficult for the locking device to be illegally unlocked. Become. In the present embodiment, the locking unit in which the movable lock plate and the lock claw are integrated has been described as an example. However, if the lock claw is interlocked with the movable lock plate, the lock claw and the movable lock plate may be connected to each other. It may be a separate part.

Although the lock plate case 12 and the metal case 7 are formed in a rectangular shape, the shapes of the lock plate case 12 and the metal case 7 can be appropriately changed according to the shape of the pachinko machine. In the present embodiment, the locking unit 1 is attached to the table frame 3.
5 and the metal fittings 7 on the glass frame 5 and the machine frame 2 side.
Although an example in which a and 8 are fixed has been described, it is also possible to mount the locking unit 15 on the machine frame 2 and fix the receiving bracket to the front frame 3. Further, in the present embodiment, an example in which the second movable lock plate 65 used for locking the front frame 3 and the first movable lock plate 50 used for locking the glass frame 5 are collectively stored in the lock plate case 12. The second movable lock plate 65 and the first movable lock plate 5
When the lock unit 0 is a separate locking unit, only one of the movable lock plates can be stored in the lock plate case 12.

[0035]

According to the present invention, since the movable lock plate is housed in the lock plate case fixed to one door, the movable lock plate is not moved by a special tool from the outside.
The locking device of the pachinko machine will not be unlocked illegally.

[Brief description of the drawings]

FIG. 1 is a front external perspective view (FIG. A) of a locking unit used in a locking device of a pachinko machine according to Embodiment 1 of the present invention;
It is a rear external perspective view (B figure).

FIG. 2 is a perspective view of the pachinko machine as viewed from the front.

FIG. 3 is a perspective view of the pachinko machine as viewed from behind.

FIG. 4 is a side view of the locking unit (FIG. A) and a side view of the locking unit in the opposite direction (FIG. B).

FIG. 5 is an exploded perspective view of the locking unit.

FIG. 6 is an exploded perspective view of a conventional pachinko machine.

FIG. 7 is an exploded perspective view of a conventional locking unit of a pachinko machine.

[Explanation of symbols]

 2 Machine frame (other door) 3 Front frame (one door) 5 Glass frame (other door) 7 Metal fitting case 7a Receiving metal fitting 8 Receiving metal fitting 15 Locking unit 12 Lock plate case 50 First movable lock plate 56a First Lock claw 56b First lock claw 65 Second movable lock plate 70a Second lock claw 70b Second lock claw

Claims (4)

[Claims] A lock provided on one door slides a movable lock plate attached to the door in an unlocking direction by a lock attached to one door, and a lock claw provided on the other door is provided with a lock claw interlocked with the movable lock plate. A pachinko machine for unlocking the one door, wherein the movable lock plate is housed in a lock plate case fixed to the one door. Locking device. 2. The locking device for a pachinko machine according to claim 1, wherein the receiving member provided on the other door is provided on a metal case fixed to the other door except for a portion where a lock claw is hooked. A locking device for a pachinko machine, which is stored. 3. The locking device for a pachinko machine according to claim 1, wherein a connecting portion between the movable lock plate and the lock claw is housed in a lock plate case. 4. The lock device for a pachinko machine according to claim 1, wherein a first movable lock plate and a second movable lock plate are mounted on a front frame. The first lock pawl interlocking with the first movable lock plate engages with the receiving bracket of the glass frame, the second lock pawl interlocking with the second movable lock plate engages with the receiving bracket of the machine frame, and the lock is released. A structure in which the first movable lock plate slides in the unlocking direction by being rotated in one direction, and the second movable lock plate slides in the unlocking direction by being rotated in the opposite direction. A locking device for a pachinko machine.