JPH03234275A - Variable lock - Google Patents

Abstract

PURPOSE:To obtain a variable lock capable of settling a large number of codes by supplying the appropriate number of spacers for setting to respective operation connection mechanism side. CONSTITUTION:In a state where the relative rotation of an inner peripheral cylinder 14 and an intermediate cylinder 8 can be performed with a code reset mechanism 26, the spacers 33 for setting in accordance with key shape inserted to a key insertion hole 15 is supplied to part of a first pocket part 20 on which protrusive pin 34 side divided at a second division plane is loaded by the spacer supply part 25 for setting of a second pocket part 22, and the inner cylinder is returned rotatably, thereby, the lock in accordance with inserted key shape can be formed. The number of spacers 33 for setting is varied by an inserted key, and when (m) spacers for setting are provided and assuming the number of operation connection mechanisms as (n), the variable number of locks goes to m<eta>.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a variable lock used in pachinko machines and the like.

(Prior art) Pachinko parlors usually have different types of pachinko machines from various pachinko manufacturers, and the locks attached to the front opening/closing part of the pachinko machines are used uniformly by each manufacturer. is the current situation. The reason why locks are uniformly used by each manufacturer in this way is that pachinko machines are often distributed second-hand, and in that case, if each store uses a different lock, each time a pachinko machine is introduced, This is because the locks need to be changed.

However, when locks are used uniformly by each manufacturer as described above, the shape of the key corresponding to the lock is easily obvious to someone outside the store, so the key can be counterfeited and the pachinko machine can be opened illegally. Since the clerk must have a key corresponding to each manufacturer's lock, there is a problem in that the number of keys increases and the management and use of the keys becomes complicated.

As a lock with a structure that solves the above problems,
There is a pin tumbler lock shown in No. 8-44832. This pin tumbler lock is configured as a variable lock that can accommodate a plurality of types of keys by changing the configuration of the portion corresponding to the key by selectively using a change pin.

(Problem to be Solved by the Invention) However, in the case of the above-mentioned pin tumbler lock, the number of change pins used for one lower pin is one, so if the number of lower pins is n, the number of possible changes is 21. Then,
There is a problem with not being able to get many variations. As shown above, use 1 change pin for 1 lower pin.
The reason why only one is used is because the configuration requires the use of a working pin, a corresponding magnet, etc. In addition, if the working pin is moved using a magnet, the structure becomes complicated, and the working pin does not move smoothly due to a decrease in the magnetic force of the magnet, in which case locking and unlocking may not work properly. will no longer be held. .

The present invention was made in view of the above-mentioned problems, and an object of the present invention is to provide a variable lock that can be used in many variations, has a simple structure, and operates stably.

(Means for Solving the Problems) In order to achieve such an object, the present invention provides a variable lock that is capable of sliding and rotating on an outer circumferential cylinder that is fixedly attached and an inner circumferential surface of the outer circumferential cylinder. an intermediate cylinder that is provided and performs locking and unlocking operations by rotational movement; an inner cylinder that has a key insertion hole that is slidably and rotatably provided on the inner peripheral surface of the intermediate cylinder; and the outer cylinder, the intermediate cylinder, and the inner cylinder. A plurality of first pockets arranged along the axial direction of each cylinder communicate with the outer circumferential cylinder and the intermediate cylinder at the same rotational angular position as above so as to communicate the circumferential cylinders at respective predetermined rotational angular positions. along the axial direction of each cylinder so as to
a plurality of second pockets arranged at rotational angle positions different from the pockets so as to correspond to the first pockets;
The protruding pin is attached to each of the first pocket portions, and the protruding pin at the tip is elastically protruded into the key insertion hole in the inner circumferential cylinder, and when the corresponding key is inserted into the key insertion hole, the protruding pin is inserted between the outer circumferential cylinder and the intermediate cylinder. an operation locking mechanism that is installed in each of the second pocket portions, and includes a first divided surface that matches the contact surface with the cylinder and a second divided surface that matches the contact surface between the intermediate cylinder and the inner peripheral nolinder; , a plurality of setting spacers are provided, and a part of the first pocket portion to which the protruding pin side divided by the second dividing surface is attached when the inner circumferential cylinder is rotated is connected to the second pocket portion. a setting spacer supply mechanism that supplies a number of setting spacers corresponding to the shape of a key to be inserted into the key insertion hole into a part of the first pocket; and the inner peripheral cylinder and the intermediate cylinder. selectively engaging between the intermediate cylinder and the outer cylinder, and allowing relative rotation between the inner cylinder and the intermediate cylinder when engaging between the intermediate cylinder and the outer cylinder; The configuration includes a code reset mechanism that allows the setting spacer of the cylinder to be supplied to the first pocket side of the inner peripheral cylinder.

(Function) According to the configuration of the present invention, when the inner cylinder is rotated by a predetermined angle in a state where the inner cylinder and the intermediate cylinder are allowed to rotate relative to each other by the code reset mechanism, the second pocket part is set. The spacer supply section supplies a number of setting spacers corresponding to the shape of the key to be inserted into the key insertion hole into a part of the first pocket section into which the protruding pin side divided by the second dividing surface is attached. When the circumferential cylinder is rotated back, it becomes a lock corresponding to the shape of the inserted key. The number of setting spacers changes depending on the inserted key, and when m setting spacers are provided and the number of operation locking mechanisms is n, the number of locks that can be changed is mr'.

If an incompatible key is used, the contact surface between the outer circumferential cylinder and the intermediate cylinder and the first dividing surface do not match, the intermediate cylinder cannot be rotated, and locking and unlocking operations are not performed.

When the key is normally used, the inner cylinder and the intermediate cylinder are engaged by the code reset mechanism, allowing relative rotation between the intermediate cylinder and the outer cylinder.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings. FIG. 1 is a side cross-sectional view of a pin tumbler closure as a variable lock of the present invention, and FIG. 2 is an internal configuration diagram in the front direction.

Reference numeral 1 denotes an outer circumferential cylinder, and one end surface of the cylinder is fixedly attached to side 2 with screws 3. Four linear pockets 4 are provided at opposing positions in the axial direction on the inner circumferential surface of the outer circumferential cylinder 1 so as to communicate with the outer circumferential cylinder l in the radial direction. In addition, an auxiliary pocket 6 is provided at a position outside the side 2.

Each of 7 is an integral cover, and is provided so as to cover the outer opening of the pocket 4, and the opening 5 is provided only in the portion of the upper integral cover 7 that corresponds to the auxiliary pocket 6.

Reference numeral 8 designates an intermediate cylinder, and a boss 9 protruding from the center of rotation on one side end face is rotatably supported by a screw 10 on the side 2, and its outer circumferential surface is attached to the inner circumferential surface of the outer circumferential cylinder 1. It is provided so that it makes sliding contact. Also in the intermediate cylinder 8, pockets 1 corresponding to the pockets 4 are provided at opposing positions in the axial direction on the inner circumferential surface.
2 are provided so as to communicate with the intermediate cylinder 8 in the radial direction, and an auxiliary pocket 13 corresponding to the auxiliary pocket 6 is provided so as to communicate with the intermediate cylinder 8.

14 is an inner cylinder provided with a key insertion hole 15;
Both end surfaces thereof are positioned between the respective ends of the outer circumferential cylinder 1 and the intermediate cylinder 8, and the outer circumferential surface is provided in sliding contact with the inner circumferential surface of the intermediate cylinder 8. Also in the inner circumferential cylinder 14, each of the pockets 16 corresponding to each of the pockets 12 is located on one side in the axial direction of the inner surface of the key insertion hole 15, and the pockets 16 are arranged radially in the inner circumferential cylinder 1.
4 is provided so as to communicate with each other. Reference numeral 17 denotes an auxiliary pocket, and the auxiliary pocket 17 is provided in a concave shape on the outer peripheral surface so as to face the auxiliary pocket 13 of the intermediate cylinder 8.

As shown in FIG. 1 (normal use state), the outer circumferential cylinder 11, intermediate cylinder 8, and inner circumferential cylinder 14 configured as described above have pockets 4, 12, and 16 facing each other at the top, and auxiliary pockets 6, 12, and 16, respectively. 13° 17 are placed in opposing positions, and the pockets 4 and 12 are placed in opposing positions in the lower part, so that the four first pocket parts 2 with the pockets 4, 12 and 16 communicating with each other in the upper part are formed as a whole.
One auxiliary pocket part 21 is formed in which the pocket 0 and the auxiliary pocket 6, 13, 17 communicate with each other, and four second pocket parts 22 in which the pockets 4 and 12 communicate with each other are formed at the lower part.

And each first pocket part 20 located at the upper part
An operation locking mechanism 24 is located inside, and a setting spacer supply mechanism 25 is located inside each of the second pockets 22 located on the lower side.
A reset mechanism 26 is provided within each of the auxiliary pocket parts 2.

The operation locking mechanism 24 includes, from the outer circumferential side, a coil spring 30, a base body 31 pressed by the coil spring 30, and a base body 31.
The block 32 that contacts the block 32, the setting spacer 33 that contacts the block 32, the protruding pin 34 that contacts the setting spacer 33, or the coil spring 30, the base body 31. The structure includes a block 32 and a protruding pin 34, respectively. The setting spacer supply mechanism 25 includes, from the outer circumferential side, a coil spring 36, a base body 37 pressed by the coil spring 36, and a setting spacer 33 in contact with the base body 37.

The code reset mechanism 26 includes, from the outer circumferential side, a base body 41 that integrates an operating part 40 that protrudes to the outside through the opening 5 of the outer circumferential cylinder l, a first auxiliary block 42 that contacts the base body 41, and a first auxiliary block 42 that contacts the base body 41. the second touching the
An auxiliary block 43 and a coil spring 44 that presses the second auxiliary block 43 toward the outer circumference are provided.

FIG. 5(A) is a partial view of the variable double lock as seen from the key insertion hole 15 side.
A mark 80 for indicating the position of the key insertion hole 15 is attached to the vicinity of the end located close to the outer circumferential cylinder l, and a mark 81 is also attached to the end surface of the outer circumferential cylinder l to correspond to the mark 80. ing. These marks so and st are attached by die-casting the member, particularly by integrally molding the member. In this way, by adding marks 80.81, the fifth
When the marks 80.81 are opposed to each other as shown in FIG. 5(A), the key insertion hole 15 can be recognized as the position during normal locking and unlocking operations, and as shown in FIG. 5(B), the marks 80.81 are opposed to each other.
81 is separated, the key insertion hole 15 can be recognized as the position at the time of changing the code setting, and as a result,
This makes it easy to prevent incorrect use of the key or leaving the code in a changed state.

Next, the operation of the variable double lock will be explained with reference to FIGS. 1 and 3.

In the state shown in Figure 1, the adjustable lock is as shown in Figure 3 (A).
The code is set to correspond to the key Ka shown in (B). That is, in the upper pocket part 20, from the left side, there are 1, 2, 0, and 1 setting spacers 33.
is stored [setting code 1201]. As a result, only when inserting the 1lKa having the pin push-in part 39 shape as shown in FIG. It is positioned in a straight line so as to match the upper contact surface X of the intermediate cylinder 8 and the intermediate cylinder 8.

On the other hand, in the lower pocket portion 22 as well, in the setting spacer supply mechanism 25, the contact surfaces of the setting spacers 33 and the contact surfaces of the setting spacers 33 and the base body 37 are exactly aligned with the outer peripheral cylinder 1 and the intermediate nolinder 8. It is positioned in a straight line so as to match the lower contact surface X of the.

In this state, as shown in FIG. 3(A), if the operating portion 40 of the reset mechanism 26 is not pushed in, the contact surface between the base body 41 and the first auxiliary block 42 coincides with the upper contact surface X, and the second auxiliary block 43 is located at the upper contact surface 7 portion between the intermediate cylinder 8 and the inner peripheral cylinder 14. Therefore, in this state, sliding rotation is possible only at the contact surface X portion, and when the key Ka is rotated, the intermediate cylinder 8 and the inner peripheral cylinder 14 rotate together with the key Ka. Accompanying this rotational operation, locking and unlocking operations are performed by the action of a locking portion that is integrated with the intermediate cylinder 8 and is not shown in the drawings.

In the above, if the key Kb of [setting code 0120] shown in FIGS. 3(C) and (D) is used,
). In this case, the two blocks 32 on the left and the rightmost block 32 are both located on the upper contact surface X portion, and the third base body 31 from the left is located on the contact surface X portion, and the contact surface As a result, even when the key Kb is turned, the intermediate cylinder 8 and the inner cylinder 14 do not rotate together and are locked.
Unable to unlock. The above-mentioned rotation is not performed because only one of the block 32 or the base body 31 is located on the contact surface X portion.

In the case where the above-mentioned 1ull is used, let us consider the case where the intermediate cylinder 8 is continuous and integral with the outer peripheral cylinder 1, and the base body 31 and the block 32 are continuous and integral. In this case, neither the configuration in which the three blocks 32 are located on the contact surface X portion nor the configuration in which one base body 31 is located in the contact surface X portion described above are obtained;
Only the configuration in which the portion corresponding to the second block 32 is located on the contact surface 7 portion is obtained. Therefore, since the portion corresponding to the one block 32 is located at the contact surface 7 portion, the inner peripheral cylinder 14 is prevented from rotating together with the key Kb.

However, under the same conditions as above, if @ K c of [setting code 0000] shown in FIG. Since it matches the contact surface with the spacer 33 or the contact surface between the protruding pin 34 and the corresponding portion of the block 32, the inner cylinder 14 will also rotate as the key Kc rotates. That is, in a variable lock configuration in which there is no intermediate cylinder 8 and block 32 is not used, in the case of a lock with [setting code abcd], [setting code efgh (however, eia, f≦b, g≦Ch≦d)]
It becomes possible to lock and unlock the door using the same key.

In order to eliminate the above-mentioned inconvenience, in the present invention, the intermediate cylinder 8 is provided and each block 32 is attached, so that when keys with different setting codes are used, the block 24 or the base body 3I is always positioned on the contact surface X. As a result, when the number of setting spacers 33 used is m and the number of operation locking mechanisms 24 is n, the number of I11'' is This will give you a configuration code.

Next, the code setting changing operation will be explained.

When changing the code setting of the variable lock, as shown in FIG. 3(B), push in the operation part 40 of the reset mechanism 26 with the key Ka inserted, and press @ in that state.
Rotate Ka by 180°.

When the reset mechanism 26 is pushed in, the lower part of the base body 41 is located at the contact surface X, and the contact surfaces between the first auxiliary block 42 and the second auxiliary block 43 are exactly aligned with the upper contact surface Y. Therefore, only sliding rotation on the contact surface Y is possible.

Therefore, when 1lKa is rotated, the inner cylinder 14
only is rotated by tSO°.

Then, in this rotating state, the key Ka is removed.

this[! When Ka is removed, coil spring 3
6, each of the protruding pins 34 protrudes into the key insertion hole 15 by pressing each of them. Next, when the key Kb desired to be used is inserted as shown in FIG. 3(C), each of the protruding pins 34 is pushed in corresponding to the shape of the pushing part 39 of the key Kb. Corresponding to the degree of pushing of the protruding pin 34, setting spacers 33 are supplied on the pocket 16 side of the inner circumferential cylinder 14 by leaving 0, 1, 2, and O setting spacers from the left side, and in this state, the setting spacers 33 are I! in the opposite direction of rotation from Figure 3 (A) to Figure 3 (B). Rotate Kb. At this time as well, since the reset mechanism 26 is in the pushed-in state, only the inner circumferential cylinder 14 rotates. and,
When the reset mechanism 26 is returned after the rotation is completed, the contact surface between the base body 41 of the reset mechanism 26 and the first auxiliary block 42 matches the upper contact surface X as shown in FIG. 3(D).

As a result, the setting change of the variable lock is completed, and in this state, the variable lock can be locked and unlocked using the key Kb in the same manner as the above-mentioned key Ka.

That is, in the above code setting change operation, 1!
The setting code 12ON corresponding to the key Ka has been changed to the setting code 0120 corresponding to the key Kb.

(Effects of the Invention) Therefore, according to the present invention, since a plurality of setting spacers are used, an appropriate number of the setting spacers are supplied to the respective operation locking mechanisms, so that a large number of code settings can be performed. This provides a variable lock that allows for As a result, for example, if this variable lock is used in a pachinko machine, the manufacturer will install a variable lock with the same configuration on the pachinko machine and ship it, and the pachinko parlor will use the variable lock by setting its own code. As a result, pachinko parlors can use the same key for all pachinko machines. Also, in the case of second-hand distribution,
This can be easily handled by changing the lock code settings when a pachinko machine is introduced into a parlor.

In addition, in this configuration, an intermediate cylinder is used, and the intermediate cylinder is rotated by matching the contact surface between the intermediate cylinder and the outer peripheral cylinder with the first dividing surface of the operation locking mechanism to perform locking and unlocking operations. Therefore, the configuration is simple and the operation is stable.

[Brief explanation of drawings]

Figures 1 to 5 relate to embodiments of the present invention, in which Figure 1 is a side sectional view of the variable lock, Figure 2 is an internal configuration diagram of the variable lock in the front direction, and Figures 3 (A) (B). )(C)(D)(
Each figure in E) is an internal configuration diagram in the side direction for explaining the operation, and FIG. 4 is a configuration diagram of another embodiment of the key used.
FIGS. 5A and 5B are partial front views showing the variable lock when it is locked and unlocked, and when the code setting is changed. 1... Outer circumference cylinder, 8... Intermediate cylinder, I4... Inner circumference cylinder, 5... Key insertion hole, 0... First pocket part, 2... Second pocket part, 4... - Operation locking mechanism, 5... Spacer supply mechanism for setting, 6... Code reset mechanism, 3... Spacer for setting, 4... Projection pin.

Claims (1)

[Claims] (1) An outer circumferential cylinder (1) that is fixedly attached; and an intermediate cylinder (8) that is slidably and rotatably provided on the inner circumferential surface of the outer circumferential cylinder (1) and performs locking and unlocking operations by rotational movement. , an inner peripheral cylinder (14) having a key insertion hole (15) slidably and rotatably provided on the inner peripheral surface of the intermediate cylinder (8);
and a plurality of first cylinders arranged along the axial direction of each cylinder so as to communicate the outer cylinder (1), the intermediate cylinder (8), and the inner cylinder (14) at respective predetermined rotation angle positions. Different from the first pocket part (20) along the axial direction of each cylinder so that the pocket part (20) communicates with the outer circumferential cylinder (1) and the intermediate cylinder (8) at the same rotational angular position as above. a plurality of second pocket portions (22) arranged at rotational angular positions corresponding to the first pocket portion (20); and attached to each of the first pocket portions (20);
The protruding pin (34) at the tip elastically protrudes into the key insertion hole (15) in the inner peripheral cylinder (14), and when the corresponding key is inserted into the key insertion hole (15), the outer peripheral cylinder An operation comprising a first divided surface that matches the contact surface between the cylinder (1) and the intermediate cylinder (8), and a second divided surface that matches the contact surface between the intermediate cylinder (8) and the inner peripheral cylinder (14). a locking mechanism (24); and a locking mechanism (24) attached to each of the second pocket portions (22);
The first pocket part (33) is provided with a plurality of setting spacers (33), and the inner peripheral cylinder (14) is rotated and the protruding pin (34) side divided by the second dividing plane is attached.
20) corresponds to the shape of a key inserted into the key insertion hole (15) in a part of the first pocket part (20) when a part of the key is connected to the second pocket part (22). a setting spacer supply mechanism (25) that supplies a number of setting spacers (33); and a setting spacer supply mechanism (25) that supplies a number of setting spacers (33); )
and selectively engages between the intermediate cylinder (8) and the outer cylinder (1) to enable relative rotation between the inner cylinder (14) and the intermediate cylinder (8). , the setting spacer (33) of the intermediate cylinder (8)
) of the inner circumferential cylinder (14) and the first pocket part (
20) Code reset mechanism (
26) A variable lock comprising: