JP3095895U - Double mechanism lock - Google Patents

Abstract

(57) [Problem] To provide a double mechanism lock in which two key lock mechanisms are not directly joined. A first key lock mechanism includes an outer cylinder having a positioning groove, an inner cylinder fitted into the outer cylinder, and a positioning plate fitted into the positioning groove so that the outer cylinder does not rotate. 4 and a second lock mechanism 2 for restricting the positioning plate 4 so that the positioning plate 4 does not shift. When the second lock mechanism 2 is switched to the unlocked state, the restricted state is changed. Is released and the positioning plate 4 becomes movable,
Accordingly, the outer cylinder 33 of the first key lock mechanism 3 is made rotatable and unlocked.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention provides a lock body with two key lock mechanisms and locks the first and second key lock mechanisms. The present invention relates to a double mechanism lock that locks with.

[0002]

[Prior art]

  A conventional double mechanism lock is shown in FIG. The lock body 1a includes a number lock mechanism 2a and a key lock mechanism 3 and a. The core shaft 21a of the number lock mechanism 2a penetrates directly into the key lock 3a. By directly joining the lock core 31a with the lock core 31a, the core shaft 21a and the lock core 31a are directly connected to each other. The structure is such that the connection / disconnection operation is performed. That is, the core shaft of the number lock mechanism 2a 21a is hooked on the iron core 31a, so that the key lock mechanism 3a is rotated by the number lock mechanism 2a. By suppressing the core shaft 21a of the number locking mechanism 2a from the iron core 31a, The frame 3a can be rotated out of the number locking mechanism 2a.

[0003]

[Problems to be solved by the device]

  However, it is difficult to manufacture a structure that directly joins the two key lock mechanisms. When using a lock, the lock core of each key lock is specially made to match the operation of the number lock. The mechanism of the lock core is further complicated by the need to form the minutes. The invention is Focusing on these problems, a double mechanism lock that does not directly connect two key lock mechanisms The purpose is to provide.

[0004]

[Means for Solving the Problems]

  The dual mechanism lock of the present invention includes an outer cylinder having a positioning groove and an inner cylinder fitted into the outer cylinder. The first lock mechanism equipped with the cylinder and the outer cylinder are fitted into the positioning groove so as not to rotate. And a positioning plate that restricts the positioning plate so that the positioning plate does not shift. When the second key lock mechanism is switched to the unlocked state, the two keys are locked together. The state is released, the positioning plate becomes movable, and the outer cylinder of the first lock mechanism can be rotated. It was designed to be unlocked.   This makes it possible for the dual machine to have a simple structure without directly joining the two key lock mechanisms. A lock of the structure can be provided.

[0005]

[Embodiment of device]

  Hereinafter, a lock having a double mechanism according to an embodiment of the present invention will be described with reference to the drawings. The present invention The structure of the double mechanism lock is as follows: lock body 1, number lock mechanism 2, key lock mechanism 3, positioning It consists of a plate 4 and an outer lid 5. The lock mechanism 3 is the first lock mechanism, and the lock mechanism 3 is An external cylinder 33 having a positioning groove 38 and an internal cylinder 32 fitted into the external cylinder. I am. Further, the positioning groove 38 is provided so that the number lock mechanism 2 and the outer cylinder 33 do not rotate. The second lock mechanism is composed of the positioning plate 4 pressed against the In order to prevent the displacement of the female plate 4, the positioning plate 4 and the number locking mechanism 2 have a structure that limits each other. Has become. When the number lock mechanism 2 is switched to the unlocked state, the number lock mechanism 2 and The restricting state with the placement plate 4 is also released, and the positioning plate 4 becomes movable. to this Accordingly, the outer cylinder 33 of the first lock mechanism is rotatable and the lock is opened. It Therefore, the double tightening action by the first lock mechanism and the second lock mechanism is performed. Is obtained.

[0006]   An opening 13 is provided on the end surface of the lock body 1, and a first receiving member is formed so as to be recessed in the opening 13. The tank 14 and the second receiving tank 15 are arranged, and at the bottom of the inner peripheral surface of the second receiving tank 15. A through hole 16 is provided in the vicinity. In another embodiment shown in FIG. 3, the through hole 16 a is provided on the inner bottom surface of the second receiving tank 15. The lock tongue 11, as shown in FIG. It is inserted into the through hole 16 of the lock body 1, and a positioning tank 12 is provided above it. Second Both ends of the spring 17 of the lock tongue 11 are located inside the end face of the lock tongue 11 on the lock body 1 side and the through hole 16 of the lock body 1, respectively. It is connected to the side surface. In another embodiment shown in FIG. 3, the lock tongue 11a has a rod shape and a through hole. It is connected to the outside of 16a.

[0007]   The number lock mechanism 2 is arranged in the first receiving tank 14, and is provided with the positioning plate 4 and the lock core. It is composed of a rod 21, and a plurality of number rings 22 are joined to the lock core rod 21 I have decided the position. One end of the lock core rod 21 contacts the peripheral surface of the first receiving tank 14 and the other end Has one end connected to the lock mechanism 3 and one end of the lock core rod 21 and the first receiving A first spring covers the inside of the tank 14. Each number ring 22 is It is fixed to the lock core rod 21 with the positioning wheel sleeve 24 and the movement of the number wheel 22 is fixed. As a result, the positioning wheel sleeve 24 is engaged with and disengaged from the lock core rod 21.

[0008]   The positioning plate 4 is provided with a plurality of tank holes 41 as many as the number rings, and each tank hole is The corresponding number ring 22 is inserted into 41. A pair of fastening clips 4 on the positioning plate 4 2 is provided to fix the positioning plate 4 to the lock core rod, so that the positioning plate 4 is locked. It moves with the core rod 21. Further, an elastic fastening plate is provided on the bottom surface of the first receiving tank 14. A rate 25 is provided to hold each number wheel 22. Therefore, the number ring 22 The positioning ring sleeve pushes the lock core rod 21 to move it. At the same time, the positioning plate 4 moves with it.

[0009]   The positioning wheel sleeve 24 is provided with a locking / unlocking mechanism, and as shown in FIG. When the pressing state of the number wheel 22 of the lid 21 is released, the lock / unlock mechanism locks the lock core. Since the restrictions on the pad 21 and number ring 22 are lifted, the unlocking number on the number ring is new. You will be able to set it. As shown in FIG. 10, another one of the lock core rods When the outer cylinder 33 that abuts against the end makes a half rotation as the inner cylinder 31 moves, By checking the concave portion 35 provided in the cylinder 33 with the lock core rod 21, The contact of the spring 23 with the lock core rod 21 is released. Each of the hanging mechanism The positioning wheel 24 is provided with a concave groove 26, and the lock core rod 21 is provided with a plurality of protrusions 27. . As shown in FIG. 11, the numbering ring 22 is further provided on the outer peripheral surface of the positioning wheel sleeve 24. The insert 28 corresponding to each number is provided, and each number is attached to the inner peripheral surface of the number wheel 22. It meshes with the corresponding tooth space 29. Turn the number wheel 22 to change the number and insert The seat 28 is accommodated in different tooth spaces 29 in association with the rotation of the number wheel 22. Then outside The number is reset when the tube 33 is turned back to the original position.

[0010]   As shown in FIGS. 2 and 4, the lock mechanism 3 is installed in the second receiving tank 15 of the lock body 1. The lock core 31, the inner cylinder 32, the block 34, the slide 36, and the holding A lock head composed of a pad 39 and an outer cylinder 33, The inner cylinder 32 is inserted into the outer cylinder 33. The inner tube 32 is provided with the lock core 31 The projection 34 on the inner end surface is inserted into the positioning tank 12 of the lock tongue 11. Growth The retractable slide 36 is provided so as to project to the inner peripheral surface of the inner tube 32, and Interlocks with the core 31. Provide at least one guide groove 37 inside the outer tube 33, and The ride 36 slides into the guide groove 37 as the inner cylinder 32 rotates, and The outer cylinder 33 rotates. A positioning groove 38 is formed on the peripheral surface of the outer tube 33 to Since the side end 43 of the positioning plate is fitted, the positioning groove 38 of the outer tube 33 of the positioning plate 4 is inserted. The rotation separation of the inner cylinder 32 is limited by the hanging operation with respect to. Shown in Figure 3 The reason is that the protrusion 34 protruding from the through hole 16a is locked with the lock tongue 11a. is there.

[0011]   An end surface of the opening 13 in which the first and second receiving tanks 14 and 15 of the lock body 1 are arranged by the outer lid 5. Cover. The outer lid 5 is provided with a perforation 51 from which the inner end of the inner tube 32 is inserted. A handle head 39 is provided at the outer end of the inner cylinder 32, which is A key hole 30 is provided on the end surface of the head 39. Further, the outer ring 5 has a number ring 22. The same number of viewing windows 52 are arranged, and the number wheel 22 is projected from the viewing windows 52.

[0012]   As shown in FIGS. 5A to 5C, the key 6 is inserted into the keyhole 30 and the inner cylinder 32 is inserted. When the lock core 31 of is rotated, the outer cylinder 33 slides on the inner cylinder 32 as shown in FIG. The key 6 can be rotated without being restricted by the key 6. (Shown in Figure 4 (b) State). At this time, when the lock core 31 is turned with the key 6, the inner cylinder 32 is moved into the outer cylinder 33. Although it rotates, the lock tongue 11 works in conjunction with it because the spring 17 is not compressed. It turns out that it hasn't moved. In FIG. 5C, when the inner cylinder 32 is further rotated, the lock tongue 1 1 shows a state in which 1 is directly pushed back into the through hole 16 of the lock body 1. in this case, It can be seen that the spring 17 is thereby compressed. In this way, unlock with key 6 You can On the other hand, when the lock core 31 is locked with the key 6, the inner cylinder 32 and the outer cylinder are separated from each other. Are integrated by fixing the slide 36, and the inner cylinder 32 is restricted by the outer cylinder 33. Cannot be rotated. At this time, the lock tongue 11 ejected from the spring 17 is pulled. You can't get in. The embodiment according to FIG. 3 is based on the same principle as above. , The description is omitted.

[0013]   Further, when the lock is applied to each number wheel 22, as shown in FIG. The positioning plate 4 moves simultaneously with the interlocking of 21 and is caught by the outer cylinder 33. in this case, The number of the number lock 22 is arbitrary. When the number is set to "2222", it is shown in Fig. 8. The positioning plate 4 is released from the number lock mechanism 2 as shown in Return to Oki. Since the positioning plate 4 moves only slightly, the movement can be distinguished from the figure. It is difficult to read, but you can tell from the change in the number. In this case, the outer cylinder 33 becomes rotatable. Since the outer cylinder 33 and the inner cylinder 32 are integrated, the spring 17 is still Not working. Next, as shown in FIG. 9, the inner cylinder 32 is rotated by the handle head 39. Then, similarly to the above description, since the lock tongue 11 is retracted into the through hole 16 of the lock body 1, It can be locked.

[0014]   The design of the positioning plate of the present invention is suitable for combination of any type of number lock and key lock. Can also be applied. That is, the combination of the positioning plate and the external cylinder It realizes unlocking and locking of the lock, and the combination of the outer cylinder, the inner cylinder, and the lock core makes it possible to lock the key. It realizes unlocking and locking. Also, the above number lock mechanism and key lock mechanism are independent Can be operated separately. In addition, the lock tongue of the present invention is the inner cylinder of the key lock. Various modifications can be obtained by combining with. Similarly, change the appearance of the tablet. It can also be turned into. By providing a groove on the lock, as shown in FIG. , Easy to grasp. In addition, the number lock of the present invention can reset the number Security, the security is improved. Therefore, the double mechanism lock of the present invention is excellent. It provides usability and has a completely different structure from the conventional one.

[0015]

[Effect of device]

  As described above, according to the lock of the double mechanism of the present invention, the outer cylinder having the positioning groove and the outer cylinder are provided. Positioning so that the first lock mechanism with internal cylinder to be fitted and the external cylinder do not rotate The positioning plate to be fitted in the groove and the positioning plate are controlled so that they do not shift. When the second key lock mechanism is switched to the unlocked state, it is provided with a second key lock mechanism that limits each other. When the restricting state is released and the positioning plate becomes movable, the outer cylinder of the first lock mechanism is released. Since it can be rotated, without directly connecting the two key lock mechanisms, It is possible to provide a double mechanism lock with a simple structure.

[Brief description of drawings]

FIG. 1 is a perspective view showing a lock of the present invention.

FIG. 2 is an exploded view of the lock of the present invention.

FIG. 3 is a three-dimensional exploded view of another embodiment of the lock of the present invention.

FIG. 4 is an exploded view of the lock mechanism of the present invention.

FIG. 5 (a) Partial cross-sectional view showing a state before operation (b) Partial cross-sectional view showing when the lock core is no longer regulated by the inner cylinder (c) Lock tongue interlocks with the inner cylinder Partial cross section showing when

FIG. 6 is an exploded view showing a number lock mechanism.

FIG. 7 is a perspective view showing a state in which the numbering mechanism is locked.

FIG. 8 is a three-dimensional view showing a state where the numbering mechanism is released tongue.

FIG. 9 is a perspective view showing a state in which the lock tongue moves in conjunction with the rotation of the inner cylinder.

FIG. 10 is a three-dimensional view showing a state in which the numbers are changed.

FIG. 11 is a three-dimensional view of a part of the positioning wheel sleeve and the number wheel.

FIG. 12 is a perspective view showing a state in which a protrusion is added to the lock core rod.

FIG. 13 is a diagram showing a state in which the positioning wheel sleeve alone, the lock core rod and the positioning plate are locked with each other (a) A view showing a state where the positioning wheel sleeve is holding the pressure plate; Figure showing the situation

FIG. 14 is a view showing a state in the unlocking operation of the positioning wheel sleeve alone, the lock core rod, and the positioning plate.

[Explanation of symbols]

1 tablet 1a Tablet 11 tablets tongue 11a lock tongue 12 Positioning tank 13 openings 14 First receiving tank 15 Second receiving tank 16 through holes 16a through hole 17 Second spring 2 number lock mechanism 2a Number lock mechanism 21 lock core rod 21a core shaft 22 number ring 23 First Spring 24 Positioning ring sleeve 25 elastic fastening plate 26 groove 27 convex child 28 inserts 29 Tooth groove 3 key lock mechanism 3a Key lock mechanism 30 keyholes 31 lock cores 31a lock core 32 Internal cylinder 33 External cylinder 34 Protrusion 35 recess 36 slides 37 Guide groove 38 Positioning groove 39 handle head 4 Positioning plate 41 Tank hole 42 clips 43 side edge 5 outer lid 51 perforation 52 Peep window 6 keys

Claims (9)

[Scope of utility model registration request] 1. A first lock mechanism having an outer cylinder having a positioning groove and an inner cylinder fitted into the outer cylinder, and a positioning plate fitted into the positioning groove so that the outer cylinder does not rotate. A second lock mechanism that restricts the positioning plate and the positioning plate so as not to shift is provided, and when the second lock mechanism is switched to an unlocked state, the restricting state is released and the locking mechanism is released. The positioning plate becomes movable, and the first
The double mechanism lock characterized in that the outer cylinder of the key lock mechanism is unlocked by making it rotatable. 2. The double mechanism lock according to claim 1, wherein the second lock mechanism is a number lock or an electromagnetic sensing type lock. 3. The lock mechanism comprises a lock head having an inner cylinder and an outer cylinder fitted into the inner cylinder, and the key lock mechanism is installed in a second receiving tank of the lock body, A protrusion interlocking with the lock tongue is provided on the inner end face with the inside as a lock core, and a slide that expands and contracts in conjunction with the lock core is provided on the inner peripheral surface of the inner cylinder, and the slide is attached to the inner surface of the outer cylinder. A corresponding guide groove is provided, and an outer lid is placed on the outside of the lock body, from which the handle of the lock head forming the keyhole and the number ring of the number lock mechanism are exposed. The double mechanism lock according to claim 2, wherein the lock has a double mechanism. 4. The lock core comprising the positioning plate of the lock body and the lock core rod, the number lock being arranged in a first receiving tank, and the end portion of which is pressed against the peripheral surface of the first receiving tank. A plurality of number wheels are fitted and fixed to the rod, and a first spring is provided at one end of the lock core rod between the end surface of the number wheel and the inner side surface of the first receiving tank. Each of the numbered wheels is fixed to the lock core rod with one positioning wheel sleeve, and
Each positioning wheel sleeve engages and disengages the lock core rod by interlocking with each number wheel, and the same number of tank holes as the number wheel are provided on the positioning plate and the corresponding number wheels. The positioning plate is provided with a pair of clips, and the positioning plate is fixed to the lock core rod so that the positioning plate interlocks with the lock core, and an outer lid is provided on the outside of the lock body. The double mechanism lock according to claim 2, wherein a cover of the lock head, from which the key hole is formed, and a number ring of the number lock mechanism are exposed from the cover. 5. A through hole is provided at a position near the bottom surface of the inner peripheral surface of the second receiving tank, and the lock tongue is passed through the through hole of the lock body.
The double mechanism lock according to claim 3, wherein a second spring is provided between an end surface of the lock tongue on the lock body side and an inner bottom surface of the lock body through hole. 6. The double mechanism lock according to claim 4, wherein an elastic fastening plate is provided on an inner bottom surface of the first receiving tank, and each number ring is held by the elastic fastening plate. 7. A through hole is provided on the inner bottom surface of the second receiving tank, and a protrusion of the inner cylinder is projected from the through hole so that one outer end of the protrusion is brought into contact with the plate-shaped locking tongue. A dual mechanism lock according to claim 3. 8. The positioning wheel sleeve is provided with a locking / unlocking mechanism, and when the lock core rod is completely pushed and released, the lock / unlock mechanism separates from the restriction of the lock core rod and restricts the number ring. Is released, the unlocking number is rotated to reset the unlocking number, and when the outer cylinder abutting against the other end of the lock core rod makes a half rotation in conjunction with the movement of the inner cylinder, the outer cylinder By collating the recess provided in the lock core rod with the lock core rod, the abutment of the first spring with respect to the lock core rod is released, and each positioning wheel sleeve of the hanging mechanism has a concave groove, the lock core. The rod is provided with a plurality of projections, the outer peripheral surface of the positioning wheel sleeve is further provided with an insert corresponding to each number of the number ring, and the inner circumferential surface of each number ring is provided with a tooth groove corresponding to each number. Claim characterized by engaging with Item 5. The double mechanism lock according to Item 4. 9. The dual mechanism lock of claim 1, wherein the second lock mechanism is an electromagnetic sensing type lock mechanism.