JP4542534B2 - Code lock device - Google Patents

Description

  The present invention relates to a code locking device that is used for locking doors such as safes, lockers, doors, etc., and sets each state of unlocking and locking by aligning or breaking the unlocking code string. The present invention relates to a code lock device in which an unlock code string determined for each device is fixedly set.

  Conventionally, the code lock device includes a fixed code type in which an unlock code string is fixedly set for each device and a free code type in which a user can freely set an unlock code string. There is. For both types, after the unlocked code string is aligned by dialing, the shooting piece and the key are gripped and rotated, so that the latching piece interlocked with the shooting and key operation engages the mating bracket. To do. Thereafter, when the unlocking code string is appropriately broken by a dial operation, a locked state is obtained.

  When unlocking, the unlocked code strings are aligned by dialing, and then a picture is taken or a key is grabbed and rotated in the opposite direction. As a result, the latching piece comes off from the counterpart metal fitting, and the doors such as the safe, the locker, and the door can be opened. In the case of the fixed code type, after that, the unlocking code string is broken and returned to the locked state after performing the locking operation, or the unlocking code string is broken without performing the locking operation.

  Therefore, the fixed code type is not suitable for applications where the user is constantly changing, and is used for applications used by a specific person, while the free code type is that the user is constantly changing. It is used for an application, that is, an application used by an unspecified person.

When the user is an unspecified person, he / she is unfamiliar with the operation of the code lock. For the free code type, the dial is forcibly rotated by forcibly turning each dial during the lock / unlock operation. A dial forced drive mechanism that breaks down is incorporated (for example, see Patent Document 1). Therefore, the structure of the free code type code lock is complicated, and the entire lock becomes large.
On the other hand, when the user is a specific person, he / she is accustomed to the operation of the code lock. In the case of the fixed code type, the dial is forcedly driven until the structure becomes complicated and the entire lock becomes large. It is not always necessary to incorporate the mechanism.

Japanese Patent No. 2564238

  However, even if the user is a specific person, it may be forgotten to accidentally break the unlock code string, and it is desirable to incorporate the dial forced drive mechanism for crime prevention, but the structure is simple and the entire lock is There has never been a fixed code type code lock device that is compact and incorporates a dial forcible drive mechanism.

  The present invention meets the above-described demands, and provides a fixed code type code lock device that is simple in structure and small in size and that is excellent in crime prevention and that incorporates a dial forced drive mechanism. For the purpose.

The code lock device which is the premise of the present invention is a plurality of dials on which n codes for setting an unlocked code string in an aligned state or an unaligned state, and each dial can be rotated. A single operating shaft that can be reciprocated and rotated supported by the actuator, an actuator that responds to each operation of locking and unlocking, a reciprocating mechanism that reciprocates the operating shaft in response to the operation of the actuator, A rotation mechanism that rotates the operating shaft 360 degrees in forward and reverse directions in response to the operation of the actuator, and a lock mechanism that restricts the movement of the operating shaft by the reciprocating mechanism when the unlocked code string is not aligned. The locking mechanism includes a protrusion provided on the peripheral surface of the operating shaft in correspondence with each dial, and a protrusion sliding groove provided in the length direction of the inner peripheral surface of each dial. a, a state in which the unlocking code sequence aligned, Totsuko and Totsuko Allowing the movement position of the actuating shaft coincides with Domizo, when release code series is in a state of misalignment, to restrict the movement of the actuating shaft misaligned with Totsuko and Totsuko sliding groove Is .
The code lock device according to the present invention has an unlock code sequence storage mechanism for storing an unlock code sequence determined for each device, and each dial is set to a maximum (360 degrees to 360 degrees / n) at each operation of locking and unlocking . A dial forcible driving mechanism for forcibly turning the angle to move from the state where the unlocked code string is aligned to the state where the unlocked code string is not aligned and a predetermined number of codes are aligned; It is provided.
The dial forcible drive mechanism includes a dial drive plate for each dial having an engagement groove that engages with each protrusion of the operating shaft so as to rotate integrally with the operating shaft with respect to rotation of the operating shaft, and locking And a displacement mechanism for displacing each dial drive plate by moving it closer to or away from each dial during each unlocking operation . A projecting piece is formed on the outer periphery of each dial drive plate, and a slide groove on which the projecting piece slides is formed on the inner periphery of the dial corresponding to each dial drive plate. When the displacement mechanism displaces each dial drive plate in the direction of each dial at a predetermined angular position, the dial drive plate rotates together with the operating shaft by an angle of (360 degrees to 360 degrees / n). In the meantime, there is provided a convex portion that hooks the protruding piece to forcibly rotate the dial integrally .

In the code lock device having the above-described configuration, when the actuator is operated by the locking operation or the unlocking operation, the operation shaft is rotated and each dial drive plate of the dial forcible drive mechanism is integrated with the operation shaft (360 degrees to 360 degrees / Rotate only by the angle n) . While each dial drive plate rotates by this determined angle, each dial drive plate hooks and rotates the corresponding dial to align another unlocked code string from the aligned state of the unlocked code string. Transition to the state.

In a preferred embodiment of the present invention, each dial is represented by n numbers including 0 on the peripheral surface, and each dial drive plate of the dial forcible drive mechanism is operated for locking and unlocking operations. Sometimes it is rotated by an angle of (360 degrees-360 degrees / n), and each dial is shifted to a state in which the numbers 0 are aligned by the number of dials. You may make it transfer to the arrangement | sequence state of the code sequence in which the number arranged according to the number of dials. In addition, a code | symbol is not restricted to a number, An alphabetic character etc. may be sufficient and a symbol may be sufficient.

  As described above, according to the present invention, in the lock code type lock / lock device in which the unlock code string is fixedly set, each dial is forcibly rotated at the time of each operation of locking and unlocking. Since it is configured to be broken, the security and reliability of the fixed code type code lock device can be greatly improved. In addition, since the unlocking code string is broken by the rotation of one operating shaft and using the protrusions of the operating shaft constituting the lock mechanism, the structure may be complicated and enlarged. Nor.

  1 and 2 show the appearance of a code lock device according to one embodiment of the present invention. For example, this code lock device is attached to a door of a personal locker used by a specific person, and the latching piece 1 rotates forward and backward to engage and disengage with a metal fitting 10 attached to the side of the locker body. To do.

  In the following description, the state where the latching piece 1 is engaged with the metal fitting 10 is referred to as “closed state”, the state where this “closed state” is locked and held is “locked state”, and the unlocked state is referred to as “locked state”. The “unlocked state” and the state where the latching piece 1 is detached from the metal fitting 10 are referred to as “open state”. A manual operation from the “open state” to the “locked state” is referred to as “locking operation”, and a manual operation from the “closed state” to the “unlocked state” to “open state” is referred to as “unlock operation”.

  The code lock device in the illustrated example incorporates only the code lock mechanism that allows each operation of locking and unlocking when the unlock code string is in an aligned state. A cylinder lock mechanism that enables locking and unlocking operations by inserting a simple key may be introduced.

1 and 2, reference numeral 14 denotes a front plate that closes the upper surface opening of the box-shaped case 11, and a circular opening 12 is provided near one end of the plate surface, and four window holes are formed from the center to the other end. 13 are provided.
At the position of the opening 12 is an actuator 2 that responds to each operation of locking and unlocking by the photographing 20, and at the position of the four window holes 13 is a mechanism for aligning the unlocking code string, Each is incorporated. The photograph 20 protrudes from the opening 12 onto the front plate 14. In addition, a dial operation surface 32 of each four-digit dial 3 protrudes on the front plate 14 in each window hole 13. On the dial operation surface 32, ten symbols 33 "0" to "9" are represented.

  3 and 4 show the internal structure of the box-shaped case 11. 3 is a “cross-sectional view” along the horizontal direction as viewed from the front plate 14 side, and FIG. 4 is a cross-sectional view along the vertical direction.

  The code lock device of the illustrated example is a device in which an unlock code string determined for each device is fixedly set. The unlock code string is broken with each operation of locking and unlocking, and “0” is set. The state shifts to a state in which four are arranged (this code string is referred to as “initial code string”). In order to realize the above functions, the actuator 2, the operating shaft 4, the reciprocating mechanism 5, the rotating mechanism 6, the four dials 3, the unlocked code string storage mechanism 7 (FIGS. 13 to 18), the lock mechanism 8 , Each component such as a dial forced drive mechanism 9 is provided.

(1) Configuration of Actuator 2 The actuator 2 responds to each operation of locking and unlocking by the shooting 20, and when the shooting 20 is rotated, the inner cylinder 21 and the outer cylinder 22 rotate integrally. To do. The latch piece 1 is attached to the inner cylinder 21 via an attachment shaft 23, and the latch piece 1 rotates forward and backward integrally with the inner cylinder 21.
A first bevel gear 60 constituting a rotation mechanism 6 to be described later is mounted on the outer periphery of the outer cylinder 22.

(2) Configuration of Actuation Shaft 4 The actuation shaft 4 is provided horizontally in a direction orthogonal to the actuator 2, the distal end 41 is a bearing hole (not shown) of the support plate 15, and the proximal end is a bearing 17. Further, they are supported so as to be reciprocally movable and to be able to rotate forward and backward. A flange portion 49 is provided at the base end portion of the operating shaft 4, and a compression spring 40 is connected to the flange portion 49, and the operating shaft 4 is constantly pushed toward the actuator 2 by the spring pressure.

  A second bevel gear 61 constituting a rotation mechanism 6 described later is supported on the distal end portion 41 of the operating shaft 4 so as to freely slide. The distal end surface of the distal end portion 41 of the operating shaft 4 is a curved surface, and the distal end portion 41 protrudes or retracts toward the actuator 2 from the second bevel gear 61. On the shaft circumferential surface of the operating shaft 4, four protrusions 42 a are integrally projected at the same angular position at regular intervals. In this embodiment, in order to obtain a reliable locked state, the four protrusions 42b are integrally projected at the same other angular positions, but the protrusion lines need not necessarily be two lines. One row may be sufficient. These convex elements 42a and 42b constitute a lock mechanism 8 and a dial forced drive mechanism 9, the details of which will be described later.

(3) Configuration of Rotating Mechanism 6 The rotating mechanism 6 includes a first bevel gear 60 mounted on the outer periphery of the outer cylinder 22 of the actuator 2 and a second bevel supported by the distal end portion 41 of the operating shaft 4. The gear 61 is comprised. The first and second bevel gears 60 and 61 mesh with each other, whereby the rotation of the actuator 2 is transmitted to the operation shaft 14 and the operation shaft 4 rotates. The operating shaft 4 is rotated from the “open state” to the “closed state”, and from the “closed state” to the “open state”. Is decided.

In this embodiment, in order to delay the rotation start timing of the second bevel gear 61 with respect to the rotation start timing of the first bevel gear 60, in this embodiment, the actuator 2 has a predetermined angle (20 degrees in this embodiment). At the time of rotation, the first bevel gear 60 starts to rotate integrally with the outer cylinder 22, thereby starting the rotation of the second bevel gear 61. In order to realize this delay operation, as shown in FIG. 22 (1), an engagement protrusion 25 extending over a predetermined angle α is formed on the outer periphery of the outer cylinder 22 of the actuator 2, whereas, as shown in FIG. 22 (2). As described above, an engagement groove 62 extending over an angle β larger than the angle α is formed on the lower surface of the first bevel gear 60, and the engagement groove 62 is engaged with the engagement protrusion 25 on the outer periphery of the outer cylinder 22. A first bevel gear 60 is attached. With this configuration, the first bevel gear 60 starts to rotate after the actuator 2 idles by a predetermined angle (β−α).
This operation delay is for first reciprocating the operation shaft 4 without rotating it, and continuing to rotate the operation shaft 4, and is related to the operation of the lock mechanism 8 and the dial forced drive mechanism 9 described later. ing.

(4) Configuration of the reciprocating mechanism 5 The reciprocating mechanism 5 is for reciprocating the operating shaft 4 by a predetermined amount of displacement at a predetermined timing in response to the operation of the actuator 2. The first and second recesses 50a and 50b formed at positions separated from each other by a predetermined angle, and the first and second recesses 50a and 50b provided inside the outer cylinder 22 with an angle narrower than the angle between the recesses 50a and 50b. The two push claws 51a and 51b and the springs (not shown) for urging the push claws 51a and 51b outward are involved in the above-described reciprocating operation. The recesses 50a and 50b and the push claws 51a and 51b are arranged at the same height position.

  3 and 4, the operating shaft 4 is pushed by the spring force of the compression spring 40, and the distal end portion 41 of the operating shaft 4 is fitted into the first recess 50 a of the outer cylinder 22. . In this fitted state, the operating shaft 4 is most displaced toward the actuator 2 side. Hereinafter, this position is referred to as a “first displacement position”.

  5 and 6 show a state where the actuator 2 is rotated about 10 degrees from the “open state” to the “closed state”. In this state, the distal end portion 41 of the operating shaft 4 escapes from the first recess 50a and is pressed against the spring pressure of the compression spring 40 by the pressing surface 52 of the first pressing claw 51a. The operating shaft 4 is most displaced in the direction opposite to the actuator 2 by the pressing by the first pressing claw 51a. Hereinafter, this position is referred to as a “second displacement position”.

  7 and 8 show a state when the actuator 2 is rotated about 20 degrees from the “open state” to the “closed state”. In this state, the first push claw 51a is pushed back and rotated by the operating shaft 4 receiving the spring pressure of the compression spring 40, and the tip 41 of the operating shaft 4 rides on the outer peripheral surface of the outer cylinder 22 and is supported. Has been. The operating shaft 4 in this state is localized between the “first displacement position” and the “second displacement position”. Hereinafter, this position is referred to as a “third displacement position”.

FIG. 9 and FIG. 10 show a state when the lens is rotated about 100 degrees from the “ open state” to the “ closed state”. In this state, the second push claw 51 b reaches the position before the tip end portion 41 of the operating shaft 4. Since the pressing surface 52 of the second push claw 51 b does not face the distal end portion 41 of the operating shaft 4, no pressing force acts on the distal end portion 41 of the operating shaft 4, and the operating shaft 4 does not relate to the operating shaft 4. Go through position.

FIG. 11 and FIG. 12 show a state when the lens is rotated about 140 degrees from the “ open state” to the “ closed state”, that is, the “open state”. In this state, the operating shaft 4 receives the spring force of the compression spring 40, and the tip portion 41 is fitted into the second recess 50 b of the outer cylinder 22. In this inserted state, the operating shaft 4 is in the “first displacement position” that is most displaced toward the actuator 2 side.

(5) Configuration of Dial 3 Each of the four dials 3 is configured such that the bush 31 is engaged with the inner peripheral surface of the dial body 30 and is rotated to the inner position of each partition plate 19 on the operating shaft 4. Supported as possible. As shown in FIGS. 13 to 15, the dial body 30 has a dial operation surface 32, which is represented by reference numerals 33 of “0” to “9” for each equiangular position, as shown in FIGS. 13 to 15. A boss portion 34 projects from the dial body 30, and trough portions 35 corresponding to the number of codes are formed on the outer periphery of the boss portion 34. By sequentially engaging a spring plate member (not shown) with each valley portion 35, the dial 3 is fed forward.

(6) Configuration of Unlocking Code String Storage Mechanism 7 The unlocking code string storage mechanism 7 is a mechanism for fixedly setting a predetermined unlocking code string, and includes a dial main body 30 of each dial 3 and It is formed between the bush 31. Here, the unlocked code string is “unlocked” when the unlocked code string is aligned with each of the window holes 13 and is “unlocked” when the unlocked code string is not aligned. The arrangement of the symbols 33 of the respective dials 3 set respectively. In the following description, the code of each dial 3 constituting the unlock code string may be simply referred to as an unlock code.

As shown in FIGS. 13 and 15, the unlocked code string storage mechanism 7 of the illustrated example includes a groove array 70 formed on the inner peripheral surface of the dial body 30 of each dial 3, and as illustrated in FIGS. 16 to 18. And a protrusion row 71 formed on the outer peripheral surface of one end of the bush 31. The groove row 70 of the dial main body 30 is formed by arranging one number of fitting grooves 74 corresponding to the number of codes at equal angular intervals. On the other hand, the protrusion row 71 of the bush 31 is formed by arranging the fitting protrusions 75 that can be fitted in any of the fitting grooves 74 by a number equal to the number of signs at equal angular intervals.
There are as many meshing angular positions of the protrusion row 71 and groove row 70, that is, the fitting angle position of the dial body 30 with respect to the bush 31 corresponding to the number of codes. Ten unlock codes can be stored.

(7) Configuration of the lock mechanism 8 The lock mechanism 8 controls the operation of the actuator 2 when all the symbols 33 of the dials 3 appearing in the window holes 13 are unlock codes (when the unlock code string is generated). Permitting and restricting the operation of the actuator 2 when the code 33 of any of the dials 3 is not the unlocking code (when the unlocking code string is broken). The lock mechanism 8 of this embodiment is provided in the length direction of the four convex elements 42a and 42b and the inner peripheral surface of each bush 31 for each row protruding from the axial peripheral surface of the operating shaft 4. Convex sliding grooves 81a and 81b (FIG. 16) in which the convexes 42a and 42b slide in and out are configured.

  When the operating shaft 4 is in the “first displacement position” described above, the protrusions 42 a and 42 b escape from the protrusion sliding grooves 81 a and 81 b, and the dials 3 can rotate independently with respect to the operating shaft 4. It is in a state. In this state, if the positions of the protrusions 42a and 42b and the protrusion sliding grooves 81a and 81b are shifted, the operation shaft 4 is prevented from moving in the direction opposite to the actuator 2. If the positions of the protrusions 42a and 42b and the protrusion sliding grooves 81a and 81b coincide with each other, the operation shaft 4 is allowed to move in the direction opposite to the actuator 2.

(8) Configuration of Dial Forced Drive Mechanism 9 The dial forced drive mechanism 9 according to this embodiment sets the unlocked code string in the aligned state and then shifts from the “open state” to the “closed state”. Similarly, when the unlocking code string is broken and each dial 3 is rotated to a predetermined angular position, while the unlocking code string is aligned and then shifted from the “closed state” to the “open state”, The unlocked code string in the aligned state is broken and each dial 3 is rotated to a predetermined angular position. In any case, by forcibly rotating each dial 3 to an angular position where “0” appears in the window hole 13 of each dial 3, the initial code string in which four “0” s are arranged is brought into alignment. However, the present invention is not limited to this, and another determined code may be configured to appear in each window hole 13.

The dial forcible drive mechanism 9 of this embodiment corresponds to each dial 3 on the operating shaft 4 and a displacement that displaces each dial drive plate 90 by moving it closer to or away from the corresponding dial 3. It is comprised with the mechanism 100. FIG. As shown in FIGS. 19 to 21, each dial drive plate 90 has an engagement groove with which each protrusion 42 a, 42 b of the operating shaft 4 engages so that the inner shaft can rotate integrally with the operating shaft 4. 91a and 91b are formed. When the engaging grooves 91a and 91b are engaged with the protrusions 42a and 42b, an angle (in this embodiment, 360 degrees / 10 = 36) corresponding to 360 degrees / n (where n is the number of codes). Play is set, whereby the operating shaft 4 rotates 360 degrees, whereas the dial drive plate 90 has an angle corresponding to (360 degrees-360 degrees / n) (in this embodiment, 360 degrees−360 degrees / 10 = 324 degrees). That is, each dial 3 is forcibly rotated by a maximum of 9 codes in order to shift to the aligned state of the initial code string in which four “0” s are arranged.

When each dial drive plate 90 is displaced in the direction of each dial 3 (closed state) between the outer periphery of each dial drive plate 90 and the inner periphery of the dial 3 corresponding to each dial drive plate 90, The dial driving plate 90 is provided with a portion that is hooked with each other while the dial driving plate 90 is rotated by a predetermined angle (324 degrees in this embodiment), so that each dial 3 can be moved from the aligned state of the unlocked code string during the locking and unlocking operations. The state is shifted to another predetermined code string alignment state.
In this embodiment, protrusion 92 on the outer periphery of the dial drive plate 90 is formed, together with the protrusion 92 on the inner periphery of the dial body 30 of each dial 3 is sliding slot 93 to slide are formed, sliding A convex portion 94 is formed at which the protruding piece 92 is hooked at a predetermined angular position in the moving groove 93.

When the operating shaft 4 is in the “first displacement position”, the displacement mechanism 100 pushes the bush 31 of the dial 3 at one end by the flange portion 49 provided at the base end portion of the operating shaft 4, When the bush 31 and each dial drive plate 90 are displaced toward the actuator 2, each dial drive plate 90 is moved away from the corresponding dial 3, and then the operating shaft 4 reaches the “third displacement position”. Each dial drive plate 90 and each bush 31 are returned by the spring pressure of the return spring 101 provided on the distal end side of the operating shaft 4 and displaced in the direction opposite to the actuator 2, whereby each dial drive plate 90 is correspondingly dialed. It is close to 3.
Even if each bush 31 is displaced, the amount of displacement is small, so that the engagement with the dial body 30 is maintained, and the memory of the unlock code is maintained.

The operating shaft 4 rotates exactly once during the transition between the “open state” and the “closed state” described above, and the protrusions 42a and 42b of the operating shaft 4 are “open state” and “closed state”. At the same angular position.
23 (1) to 23 (4) show the relationship among the operating shaft 4, the dial driving plate 90, and the dial 3. FIG. In this embodiment, in the “open state” of FIG. 23 (1) and the “closed state” of FIG. 23 (4), one convex element 42a is at a predetermined angular position θ, that is, the front plate 14. With respect to the angle position of 90 degrees.

  In the “open state” of FIG. 23 (1), the protruding piece 92 of the dial driving plate 90 is at the angular position θ, and the convex portion 94 of the dial 3 is at an angular position corresponding to the sign appearing in the window hole 13. . In this case, since the dial driving plate 90 is not engaged with the dial 3 away from each other, the unlocking code strings can be aligned by rotating the dials 3.

  When the operating shaft 4 is rotated, the protrusions 42a and 42b of the operating shaft 4 initially slide in the engaging grooves 91a and 91b of the dial driving plate 90, so that the dial driving plate 90 is idled by one sign. It does not follow (see FIG. 23 (2)). At this time, each dial driving plate 90 is approaching each dial 3, and the projecting piece 92 is positioned in the sliding groove 93.

When the operating shaft 4 and the dial drive plate 90 are integrally rotated by an appropriate angle, the projecting piece 92 of the dial drive plate 90 hooks the convex portion 94 of the dial 3 (see FIG. 23 (3)), and thereafter the dial 3 Forcibly rotate.
When the operation shaft 4 makes one rotation (see FIG. 23 (4)), the dial 3 stops rotating at a position where the reference numeral 33 of the dial operation surface 32 appearing in the window hole 13 becomes “0”.

Next, a series of operations at the time of locking operation and unlocking operation of the code lock device having the above-described configuration will be described in detail.
First, the operation during the locking operation will be described. When the code lock device is in the “open state” shown in FIGS. 3 and 4, the operating shaft 4 has the distal end portion 41 in the first recess 50 a of the outer cylinder 22. It is in a state of being fitted and most displaced to the actuator 2 side (first displacement position). In this “first displacement position”, each dial 3 is in a pivotable state in which the dial 3 is disconnected from the operating shaft 4, that is, the protrusions 42 a and 42 b of the operating shaft 4 are connected to the protrusion sliding grooves 81 a and Escaped from 81b. Further, since each dial 3 is in a state of being disconnected from each dial driving plate 90, it is possible to align the unlock code strings by turning each dial 3.

Now, when the dial operation surface 32 of each dial 3 is rotated to align the determined unlocked code string, the positions of the protrusions 42a and 42b of the operating shaft 4 and the protrusion sliding grooves of each dial 3 The positions of 81a and 81b are aligned, and the code lock device is set in a state in which a locking operation is possible.
In this “open state”, the projecting piece 92 of the dial drive plate 90 is at a predetermined angular position θ, and the convex portion 94 of the dial 3 is at an angular position corresponding to the sign appearing in the window hole 13 (FIG. 23 ( 1)).

Next, when the photographing 20 is turned, the pressing surface 52 of the first claw 51a presses the tip 41 of the operating shaft 4 in the direction opposite to that of the actuator 2. As a result, the operating shaft 4 is shown in FIGS. The process proceeds to the “second displacement position” shown. At this “second displacement position”, the protrusions 42 a and 42 b of the operating shaft 4 have entered the protrusion sliding grooves 81 a and 81 b of the dials 3.
Further, when the actuator 2 rotates, the distal end portion 41 of the operating shaft 4 is released from the pressing by the pressing surface 52 of the first pressing claw 51a, and the distal end portion 41 of the operating shaft 4 pushes back the first pressing claw 51a. The operation shaft 4 moves onto the “third displacement position” shown in FIGS.

In this “third displacement position”, the protrusions 42a and 42b of the operating shaft 4 are in a state of being escaped from the protrusion sliding grooves 81a and 81b of the dials 3, and the engagement between the operating shaft 4 and the dials 3 is cut off. ing. On the other hand, each dial operation plate 90 is engaged with each dial 3.
Further, since the first bevel gear 60 of the rotation mechanism 6 thereafter rotates integrally with the outer cylinder 22 to start the rotation of the second bevel gear 61, the rotation of the actuator 2 is actuated by the operating shaft 4. Is transmitted to the rotating shaft 4.

  When the operation shaft 4 is rotated, the protrusions 42 a and 42 b of the operation shaft 4 initially slide in the engagement grooves 91 a and 91 b on the inner periphery of the dial drive plate 90, so that the operation shaft 4 moves relative to the dial drive plate 90. Each dial drive plate 90 does not follow (see FIG. 23 (2)), but thereafter, each dial drive plate 90 rotates integrally with the operating shaft 4. As a result, the projecting piece 92 of each dial driving plate 90 hooks the convex portion 94 of the dial 3 at the set angular position corresponding to the unlocking code for the corresponding dial 3 (see FIG. 23 (3)). Force to rotate. Thereby, the convex sliding grooves 81a and 81b of each dial 3 are displaced with respect to the convexes 42a and 42b.

  When the operating shaft 4 makes one rotation and the projecting piece 82 of the dial drive plate 90 reaches the front position by one sign from the angular position θ (see FIG. 23 (4)), each window hole 13 has each dial 3 "0" appears, and the "closed state" shown in FIGS. 11 and 12 is obtained. At this time, the tip end 41 of the operating shaft 4 is fitted into the second recess 50b of the outer cylinder 22 and is displaced toward the actuator 7 to become the “first displacement position”. 42a and 42b and the convex sliding grooves 81a and 81b of the dial 3 are displaced, and a locked state is formed.

  Next, the operation at the time of the unlocking operation will be described. When the code lock device is in the “closed state” shown in FIGS. 11 and 12, the operating shaft 4 has the distal end portion 41 of the outer cylinder 22. It is in a state where it is fitted in the recess 50b and is most displaced toward the actuator 2 (first displacement position). In this “first displacement position”, each dial 3 is in a pivotable state in which the dial 3 is disconnected from the operating shaft 4, that is, the protrusions 42 a and 42 b of the operating shaft 4 are connected to the protrusion sliding grooves 81 a and Escaped from 81b. Further, since each dial 3 is in a state of being disconnected from each dial driving plate 90, it is possible to align the unlock code strings by turning each dial 3.

  Now, when the dial operation surface 32 of each dial 3 is rotated and the unlocked code strings are aligned, the positions of the protrusions 42a and 42b of the operating shaft 4 and the protrusion sliding grooves 81a and 81b of each dial 3 are obtained. Thus, the code lock device is set in a state in which the unlocking operation can be performed.

Next, when the photographing 20 is turned, the pressing surface 52 of the second claw 51b presses the distal end portion 41 of the operating shaft 4 in the direction opposite to the actuator 2. As a result, the operating shaft 4 is “second displacement position”. ”.
Further, when the actuator 2 rotates, the distal end portion 41 of the operating shaft 4 is released from the pressing by the pressing surface 52 of the second pressing claw 51b, and the distal end portion 41 of the operating shaft 4 pushes back the second pressing claw 51b. Riding on the outer surface of the outer cylinder 22, the operating shaft 4 moves to the “third displacement position”.

In this “third displacement position”, the protrusions 42 a and 42 b of the operating shaft 4 are in a state of protruding from the protrusion sliding grooves 81 a and 81 b of the dials 3. Each dial driving plate 90 is engaged with each dial 3.
Further, since the first bevel gear 60 of the rotation mechanism 6 thereafter rotates integrally with the outer cylinder 22 to start the rotation of the second bevel gear 61, the rotation of the actuator 2 is actuated by the operating shaft 4. Is transmitted to the rotating shaft 4.

  When the operation shaft 4 is rotated, the projections 42 a and 42 b of the operation shaft 4 initially slide in the engagement grooves 91 a and 91 b of the dial drive plate 90, so that the operation shaft 4 has one sign relative to the dial drive plate 90. Each dial drive plate 90 does not follow, and thereafter, each dial drive plate 90 rotates integrally with the operating shaft 4, and the projecting piece 92 of each dial drive plate 90 corresponds to the corresponding dial 3. The convex portion 94 of the dial 3 is hooked at a set angle position corresponding to the unlocking code, and the dial 3 is forcibly rotated. As a result, the protrusion sliding grooves 81a and 81b of each dial 3 are displaced with respect to the corresponding protrusions 42a and 42b.

  When the operating shaft 4 rotates once and the projecting piece 92 of the dial drive plate 90 reaches a predetermined angular position θ (see FIG. 23 (1)), each window hole 13 has a sign “0” of each dial 3. Appears and enters the “open state” shown in FIGS. 3 and 4. At this time, the distal end portion 41 of the operating shaft 4 is fitted into the first concave portion 50a of the outer cylinder 22 and is displaced toward the actuator 7 to become the “first displacement position”. 42a and 42b and the convex sliding grooves 81a and 81b of the dial 3 are displaced and are in the same state as the locked state.

It is a top view which shows the external appearance of the code | symbol locking device of this invention. It is a side view showing the appearance of the code lock device of this invention. It is sectional drawing which follows the horizontal direction at the time of the open state which shows the internal structure of a code lock apparatus. It is sectional drawing in alignment with the perpendicular direction at the time of the open state which shows the internal structure of a code lock apparatus. It is sectional drawing in alignment with the horizontal direction at the time of locking operation which shows the internal structure of a code | symbol locking device. It is sectional drawing in alignment with the perpendicular direction at the time of locking operation which shows the internal structure of a code | symbol locking device. It is sectional drawing in alignment with the horizontal direction at the time of locking operation which shows the internal structure of a code | symbol locking device. It is sectional drawing in alignment with the perpendicular direction at the time of locking operation which shows the internal structure of a code | symbol locking device. It is sectional drawing in alignment with the horizontal direction at the time of locking operation which shows the internal structure of a code | symbol locking device. It is sectional drawing in alignment with the perpendicular direction at the time of locking operation which shows the internal structure of a code | symbol locking device. It is sectional drawing in alignment with the horizontal direction at the time of a closed state which shows the internal structure of a code lock apparatus. It is sectional drawing in alignment with the perpendicular direction at the time of a closed state which shows the internal structure of a code lock apparatus. It is a side view of a dial main body. It is a front view of a dial main body. It is sectional drawing which follows the AA line of FIG. It is a side view of a bush. It is a front view of a bush. It is sectional drawing which follows the BB line of FIG. It is a side view of a dial drive plate. It is a front view of a dial drive plate. It is sectional drawing which follows the CC line of FIG. It is a bottom view of the actuator and the bevel gear showing the relationship between the engagement protrusion of the outer cylinder and the engagement groove of the bevel gear. It is a side view of an operating shaft, a dial drive plate, and a dial showing the operation of the dial forced drive mechanism.

Explanation of symbols

2 Actuator 3 Dial 4 Operating shaft 5 Reciprocating mechanism 6 Rotating mechanism 7 Unlocked code string storage mechanism 8 Lock mechanism 9 Dial forced drive mechanism 42a, 42b Convex 81 Convex sliding groove 90 Dial drive plates 91a, 91b Engagement Groove 92 Projection piece 93 Sliding groove 94 Projection

Claims (1)

A plurality of dials with n codes for setting the unlocked code string in an aligned state or an unaligned state, and reciprocating and rotating that supports each dial so as to be rotatable. A single operating shaft, an actuator that responds to each operation of locking and unlocking, a reciprocating mechanism that reciprocates the operating shaft in response to the operation of the actuator, and a positive operating shaft that responds to the operation of the actuator. A rotation mechanism that rotates 360 degrees in each reverse direction, and a lock mechanism that restricts movement of the operating shaft by the reciprocating mechanism when the unlocked code string is in an unaligned state. A state in which the unlocked code strings are aligned with the convexes provided corresponding to the respective dials on the shaft peripheral surface and the convex sliding grooves provided in the length direction of the inner peripheral surface of each dial. In this case, the position of the protrusion matches the position of the protrusion sliding groove, and the operating shaft shifts. Allows, when unlocking code string state of misalignment, the code lock device designed to restrict the movement of the actuating shaft position deviation between Totsuko and Totsuko sliding groove,
An unlock code string storage mechanism for storing an unlock code string determined for each device, and each dial is forcibly rotated by a maximum angle (360 degrees to 360 degrees / n) during each lock and unlock operation. A dial forcible drive mechanism that shifts from a state in which the lock code string is aligned to a state in which the unlock code string is not aligned and a predetermined number of codes are aligned ;
The dial forcible drive mechanism includes a dial drive plate for each dial having an engagement groove that engages with each protrusion of the operating shaft so as to rotate integrally with the operating shaft with respect to rotation of the operating shaft, and locking And a displacement mechanism for displacing each dial drive plate by moving it closer to or away from each dial during each unlocking operation, and a protrusion is formed on the outer periphery of each dial drive plate, corresponding to each dial drive plate A sliding groove is formed on the inner periphery of the dial so that the protruding piece slides, and the displacement mechanism moves each dial drive plate in the direction of each dial at a predetermined angular position in the sliding groove. When the dial driving plate is rotated by an angle of (360 degrees to 360 degrees / n) integrally with the operating shaft in the displaced state, a convex portion for catching the protruding piece and forcibly rotating the dial integrally is provided. A code lock device provided .

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