TWM550765U - Lock - Google Patents

Description

Lock

The present invention relates to a lock, and more particularly to a lock capable of improving the anti-theft effect.

Referring to Fig. 1, a conventional lock 1 includes a cylindrical fixing base 11 and a lock body 12 through which the fixing base 11 is inserted and which is inserted by a key (not shown). The mount 11 includes a plurality of outer channels 111 side by side. The lock body 12 defines a keyhole 121. The lock body 12 includes a plurality of inner passages 122 that communicate with the key passages 121 and communicate with the outer passages 111, respectively. The lock 1 further includes a plurality of springs 13 respectively disposed on the outer passages 111, a plurality of outer pin bolts 14 respectively abutted by the springs 13, and a plurality of inner pin bolts 15 respectively connected to the outer pin bolts 14, wherein each The length of the outer pin 14 and each of the inner pin 15 are different.

Before the key is inserted, the external pin 14 and the inner pin 15 are pushed by the springs 13, and the lock body 12 cannot be rotated relative to the fixed seat 11 to prevent the opening. When the correct toothed key is inserted, the outer pin 14 and the inner pin 15 are pushed into the correct position so that the lock body 12 can be rotated relative to the fixed seat 11.

However, such a lock 1 structure is easily hacked and opened with a universal key, or is violently opened by a general simple tool. As can be seen from the above, such a lock 1 has a disadvantage that the anti-theft effect is not good, so there is a need for improvement.

Therefore, the purpose of the present invention is to provide a lock that does not easily open and helps to improve the anti-theft effect.

Thus, the novel lock is suitable for inserting and rotating a key, and the key includes a shaft portion and a plurality of positioning blocks located at the shaft portion and spaced apart along the extending direction of the shaft portion. The lock includes a lock seat, a lock lever, and a lock cylinder unit.

The lock bar is detachably disposed on the lock seat.

The lock cylinder unit is disposed on the lock base, and includes a fixing member that is hollowed through the lock seat around an axis, a plurality of first lock pieces disposed in the fixing member and arranged along the axis, and a plurality of a second locking piece disposed in the fixing member and arranged along the axis, and a clamping member disposed in the locking seat and rotatable relative to the fixing member for limiting the locking bar.

The first locking pieces and the second locking pieces overlap each other. Each of the first locking pieces has a first slot for the shaft portion of the key to pass along the extending direction of the axis, and a corresponding portion defining the first slot and for limiting the key to the key The positioning block is unable to rotate around the wall around the wall. Each of the second locking tabs has a second slot through which the shaft portion of the key passes in the direction of extension of the axis and is available for rotation of the corresponding positioning block of the key about the axis.

The effect of the present invention is that when an incorrectly shaped key is used, the key of the incorrect shape can be prevented from being rotated by the limit of the first locking piece and the second locking piece, thereby preventing the locking bar from being self-locked. The lock seat is detached outwardly. Thus, the present invention can achieve better anti-theft effect by increasing the difficulty of unlocking.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 2, 3 and 4, a first embodiment of the present invention is suitable for the insertion and rotation of a key 5, which includes a shaft portion 51, one on each of the opposite sides of the shaft portion 51. The head portion 52 and the tail portion 53 have a plurality of positioning blocks 54 located at the shaft portion 51 and spaced apart from each other in the extending direction of the shaft portion 51, and a latching block 55 disposed on the tail portion 53. The latch block 55 has a main latch portion 551 extending radially outward from the tail portion 53. An orthogonal coordinate system is defined. The orthogonal coordinate system includes a first direction X, a second direction Y, and a third direction Z that are perpendicular to each other.

The lock comprises a lock seat 2, a lock rod 3, and a lock cylinder unit 4.

The lock base 2 has a seat body 21 defining a chamber 20, a cover body 22 for closing the side of the chamber 20, and two bases located in the base body 21 and extending along an axis L and communicating therewith. The passage 23 of the chamber 20. In the present embodiment, the direction in which the axis L extends is parallel to the second direction Y.

The lock lever 3 is detachably disposed on the lock seat 2. The lock lever 3 has two rod portions 31 respectively accommodating the passages 23, and two limiting grooves 32 respectively forming the rod portions 31 and opening toward the axis L.

The lock cylinder unit 4 is disposed on the lock base 2, and includes a fixing member 41 that is hollowed out around the axis L and is hollowed out, and is disposed in the fixing member 41 and arranged along the axis L. a first locking piece 42 , a plurality of second locking pieces 43 disposed in the fixing member 41 and arranged along the axis L, and a second locking piece 43 disposed in the locking seat 2 and rotatable relative to the fixing member 41 for limiting The latching member 44 of the lock lever 3 is located.

The fixing member 41 has a hollow cylindrical shape and has opposite end faces 411, and two positioning grooves 412 extending in the extending direction of the axis L and communicating with the end faces 411.

Referring to Figures 2, 3 and 5, the first locking tabs 42 and the second locking tabs 43 are superposed on each other. Each of the first locking pieces 42 has a first slot 421 for the shaft portion 51 of the key 5 to pass along the extending direction of the axis L, and a first slot 421 is defined around the first slot 421 for limiting A corresponding surrounding wall portion 420 (see FIG. 8), a first body 422, and two of the corresponding positioning block 54 of the key 5 that cannot rotate about the axis L are respectively protruded radially outward from the first body 422. The first protrusions 423 are respectively disposed on the positioning slots 412.

In this embodiment, the first slot 421 of each first locking piece 42 is located in the respective first body 422, and each surrounding wall portion 420 belongs to a part of the respective first body 422. The first slot 421 of each first locking piece 42 has a first central portion 424 passing through the axis L, and a first extending portion 425 extending radially outward from the first central portion 424, respectively.

Referring to Figures 2, 3 and 4, each of the second locking pieces 43 has a shaft portion 51 for the key 5 extending in the direction of the axis L and is available for the corresponding positioning block of the key 5. The second slot 431, the second body 432, and the second body 432, which are rotated about the axis L, are respectively protruded radially outward from the second body 432 and are respectively engaged with the second positioning slot 412. Protrusion 433.

In this embodiment, the second slot 431 of each second locking piece 43 is located on the second body 432. The second slot 431 of each second locking piece 43 has a second central portion 434 passing through the axis L, and a second extending portion 435 extending radially outward from the second central portion 434, respectively.

Referring to FIG. 3, each positioning block 54 of the key 5 corresponds to a plurality of the second locking pieces 43 that are disposed, and the adjacent two positioning blocks 54 correspond to the plurality of first locking pieces 42. The length of each positioning block 54 along the extending direction of the axis L is not greater than the sum of the thicknesses of the second locking pieces 43 extending along the axis L; the two adjacent positioning blocks 54 of the key 5 are along the The pitch of the direction in which the axis L extends is greater than the sum of the thicknesses of the corresponding first locking pieces 42 along the direction in which the axis L extends. It should be noted that the adjacent two positioning blocks 54 can also correspond to one of the first locking pieces 42 , that is, the two adjacent positioning blocks 54 of the key 5 extend along the axis L. The pitch is greater than the corresponding thickness of the first locking piece 42 along the direction in which the axis L extends.

2, 4, and 5, the projected area of each of the second slots 431 along the extending direction of the axis L is larger than the projected area of each of the first slots 421 along the extending direction of the axis L. In this embodiment, the projected area of each of the first central portions 424 along the extending direction of the axis L is substantially equal to the projected area of each of the second central portions 434 along the extending direction of the axis L, and each of the second extensions The projected area of the 435 in the extending direction of the axis L is larger than the projected area of each of the first extending portions 425 along the extending direction of the axis L. Preferably, the first extensions 425 of each of the first slots 421 are elongated, and the second extensions 435 of each of the second slots 431 are respectively in a fan shape, and each second extension The portion 435 has a main section 436 corresponding to each of the first extensions 425, and a sub-section 437 that interfaces with the main section 436.

Referring to FIGS. 3, 6, and 7, the latching member 44 is adjacent to one end of the fixing member 41 and located in the housing 20 and has a latching body 441 extending from the latching body 441 toward the limiting slots 32, respectively. The latch body 442 and an elastic body 443 disposed between the latch body 441 and the cover body 22.

The latch body 441 has a latching surface 444 opposite to the elastic body 443 and facing the fixing member 41, a card forming the latching surface 444 and communicating the first slot 421 and the second slot 431 The tongue and groove 445 and a ring body portion 446 extending around the latching surface 445 and extending from the latching surface 444 toward the fixing member 41 for plugging into the fixing member 41. It is added that the card slot 445 has a latching central portion 447 and a radially outwardly extending from the latching central portion 447 for the main latching portion 551 of the latching block 55 to be driven therein. The card main extension 448.

Referring to Figures 3, 7, and 8, the key 5 is used to rotate the latch member 44 of the lock cylinder unit 4. The first extensions 425 of the first slot 421 of each of the first locking pieces 42 are respectively elongated, and the positioning block 54 of the key 5 cannot be allowed to rotate, that is, After the first locking pieces 42 are arranged along the extending direction of the axis L, the positioning blocks 54 of the key 5 need to be matched with each other to match the first locking piece 42, so that the key 5 is inserted into the lock. The latch member 44 can be properly rotated within the core unit 4. In addition, the second extensions 435 of the second slots 431 are respectively fan-shaped and can respectively limit the rotation angle of the positioning blocks 54 of the key 5. In the present embodiment, the elastic body 443 is disposed between the latch body 441 and the cover body 22, and the elastic body 443 can cause the latch body 441 to abut against the fixing member 41 in a free state. Thus, when an incorrect key that is too long to match the lock cylinder unit 4 is used, the elastic body 443 is compressed so that each positioning block 54 located on the shaft portion 51 of the key 5 cannot be correctly Each of the positioning blocks 54 is partially received in the first slot 421 of the adjacent first locking piece 42 in the second slot 431 of the second locking piece 43. In turn, the key 5 cannot be rotated, so that the difficulty of unlocking can be increased to enhance the anti-theft effect.

Referring to Figures 7, 9, and 10, in the present embodiment, the latch member 44 is rotatable relative to the fixed member 41 by a rotation of the key 5 and a non-restricted position. Referring to FIGS. 6 and 7 , when the latching member 44 is in the limit position, the latching protrusions 442 are located in the limiting slots 32 , and the locking lever 3 is restrained from being unloaded relative to the locking bracket 2 . Referring to Figures 9 and 10, when the latching member 44 is in the non-restricted position, the latching projections 442 are disengaged from the limiting slots 32, and the locking lever 3 is no longer constrained to be opposite to the latch. Seat 2 is detached outward.

Referring to Figures 11, 12 and 13, a second embodiment of the present invention is similar to the first embodiment. The main difference between the second embodiment and the first embodiment is that:

In the present embodiment, the direction in which the axis L extends is parallel to the third direction Z. The lock base 2 has a seat body 21 defining a chamber 20, and two passages 23 located in the seat body 21 and spaced apart from and communicating with the chamber 20 and perpendicular to the axis L.

The lock lever 3 has a first rod portion 33 accommodating one of the passages 23, and a second rod portion 34 accommodating the other of the passages 23, four formed on the first rod portion 33 and facing The first limiting groove 35 of the axis L is open, and the second limiting groove 36 is formed by the second rod portion 34 and open to the axis L.

It is worth mentioning that the number of the first limiting slots 35 of the locking bar 3 can also be only one, and the number of the second limiting slots 36 of the locking bar 3 can also be only one, so that the same can be achieved. Efficacy and purpose.

The lock cylinder unit 4 is disposed on the lock base 2 and includes the fixing member 41 surrounding the axis L, the first locking piece 42, the second locking piece 43, and a rotation relative to the fixing member 41. To limit the latch 45 of the lock lever 3.

The latching member 45 is adjacent to one end of the fixing member 41 and located in the housing 20 and has a latching body 451, a first tooth portion 452 disposed on the outer peripheral surface of the latching body 451 and surrounding the axis L, and a setting a second tooth portion 453 disposed on the outer circumferential surface of the latch body 451 and surrounding the axis L and spaced apart from the first tooth portion 452 in the extending direction of the axis L.

Referring to 13, 14, and 15, the cartridge body 451 has a latching surface 454 facing the fixing member 41, and a first slot 421 forming the latching surface 454 and communicating the first locking tabs 42. The latching slots 455 of the second slots 431 of the second locking tabs 43.

The latching groove 455 has a latching central portion 456, a latching main extension 457 extending radially outward from the latching central portion 456, and a card extending radially outward from the latching central portion 456. The step extension 458 has an extension length in the direction perpendicular to the axis L of each of the cassette extensions 458 that is shorter than an extension length of each of the cassette main extensions 457 in the direction perpendicular to the axis L.

In the embodiment, the lock cylinder unit 4 further includes a first rack 46 that engages the first tooth portion 452 and is movable relative to the first limiting slot 35, and a slave that engages the second tooth portion 453. A gear 47 and a second rack 48 that engages the driven gear 47 and is movable relative to the second limiting slot 36.

Referring to FIG. 16, the latching block 55 of the key 5 further has a secondary latch portion 552 extending radially from the tail portion 53 in a direction different from the extending direction of the main latching portion 551. In this embodiment, the latching main extension 457 of the latching member 45 can be inserted into the main latching portion 551 of the latching block 55, and the latching extension 458 of the latching member 45 The secondary latch portion 552 of the latching block 55 can be driven in.

Referring to Figures 13, 15, and 16, the latch member 45 is rotatable by the key 5 to rotate between a limit position and a non-restricted position. When the latching member 45 is in the limiting position, a distal end portion 461 of the first rack 46 and a distal end portion 481 of the second rack 48 are respectively located at the first limiting slot 35 and the second limit The slot 36, at this time, the lock lever 3 cannot be detached outward from the lock seat 2.

Referring to FIGS. 14 and 16, when the key 5 is rotated to drive the latching member 45 to the non-restricted position, the first tooth portion 452 of the latching member 45 drives the end portion 461 of the first rack 46. The second tooth portion 453 of the latching member 45 drives the driven gear 47 to rotate, and the end portion 481 of the second rack 48 is further decoupled from the second limit. The slot 36, at this time, the lock lever 3 is no longer restricted and can be detached outward relative to the lock seat 2.

Referring to Figures 11, 14, and 17, the specific application of the present invention can be applied to a vehicle shift lock. The lock base 2 further includes a U-shaped frame body 24 connected to the base body 21, and the frame body 24 can pass through two screws 25 It is locked in a row of stalls 6 of the car, thereby improving the anti-theft effect of the car.

As such, the second embodiment can achieve the same objects and effects as the first embodiment described above.

Referring to Figures 18, 19 and 20, a third embodiment of the present invention is similar to the first embodiment. The main difference between the third embodiment and the first embodiment is that:

The third embodiment is equally applicable to the insertion and rotation of a key 5. The key 5 includes a shaft portion 51, a head portion 52 and a tail portion 53 respectively located on opposite sides of the shaft portion 51, and a plurality of positions on the shaft portion 51 and spaced along the extending direction of the shaft portion 51. A positioning block 54, and a plurality of latching blocks 55 located between the head 52 and the tail portion 53.

The lock comprises a lock seat 2, a lock rod 3, and a lock cylinder unit 4.

The lock base 2 has a seat body 21 defining a chamber 20, a cover body 22 for closing the side of the chamber 20, and two bases located in the base body 21 and extending along an axis L and communicating therewith. The passage 23 of the chamber 20.

The lock lever 3 is detachably disposed on the lock seat 2. In the present embodiment, the lock lever 3 has two rod portions 31 respectively accommodating the passages 23, and four limit grooves 32 respectively forming the rod portions 31 and opening toward the axis L.

The number of the latching members 44 of the lock cylinder unit 4 is two, and the lock cylinder unit 4 further includes two positioning members 41 that pass through the lock base 2 around the axis L and are hollow and spaced from the fixing member 41. ', and two are respectively detachably accommodated in the pressing member 49 of the chamber 20.

Each of the positioning members 41' is disposed inside the plurality of the first locking pieces 42 and the plurality of the second locking pieces 43 are overlapped with each other, and the positioning member is located in each of the positioning members 41' The first locking piece 42 and the second locking pieces 43 are arranged along the axis L. It is worth mentioning that the present invention can also eliminate the need for the pressing members 49, as long as the cover 22, the positioning members 41', the locking members 44 and the fixing members 41 are in the second direction. The Ys are folded against each other, that is, the pressing members 49 are not particularly required to limit the positions of the latching members 44.

In this embodiment, one of the latching members 44 is located between the fixing member 41 and the adjacent positioning member 41', and the other of the latching members 44 is located at two adjacent positioning members. Between 41', each of the latching members 44 can be rotated relative to its adjacent retaining member 41 or the retaining member 41' to limit the locking lever 3. In this embodiment, each positioning member 41' and the fixing member 41 have substantially the same structure, but can not be limited to the above description, as long as each positioning member 41' can provide a plurality of first locking pieces 42 and plural The second locking pieces 43 are arranged in line along the axis L, and each of the positioning members 41' can be different in shape from the fixing member 41.

Referring to FIGS. 18, 19, 21, and 22, each of the latching members 44 is located in the housing 20 and has a latching body 441, and two cards extending from the latching body 441 toward the respective limiting slots 32, respectively.掣 convex body 442. Each of the latching bodies 441 has a latching surface 444, a latching slot 445 forming the latching surface 444 and communicating the first slot 421 and the second slot 431, and a surrounding slot 445 and protruded from the ring body portion 446 of the latching surface 444. The ring body portion 446 of each of the latching members 44 is rotatably inserted into the fixing member 41 or the positioning member 41'.

Referring to Figures 19, 20, 21, each positioning block 54 of the key 5 corresponds to the plurality of second locking pieces 43 that are worn, and between the two adjacent positioning blocks 54 is associated with at least one of the first locks. Each of the latching blocks 55 of the key 5 has a main latching portion 551 that is inserted and abuts against the corresponding latching member 44, and a main latching portion 551 is coupled to the main latching portion 551. The extending latch portion 553 of the plurality of second locking pieces 43 adjacent thereto is disposed.

Referring to Figures 19, 21, 22, 23, the key 5 is used to rotate each of the latch members 44 of the lock cylinder unit 4. The first extensions 425 of the first slot 421 of each of the first locking pieces 42 are respectively elongated, and the positioning block 54 or any of the latching blocks 55 of the key 5 cannot be allowed. Rotating inside (as shown in FIG. 21), that is, after the first locking pieces 42 are aligned along the extending direction of the axis L, the positioning blocks 54 of the key 5 and the locking blocks 44 are required. They are respectively misaligned with the first locking pieces 42, so that the key 5 is inserted into the lock cylinder unit 4 to be correctly rotated.

Referring to Figures 19, 22, 23, and 24, in the present embodiment, one of the latching members 44 is rotatable by the key 5 relative to the fixing member 41 in a limited position, and a non-restricted position. During the rotation, the other of the members 44 is also rotated by the key 5 to rotate between the position of the positioning member 41' and the non-restricted position. Referring to FIGS. 22 and 23, when the latching members 44 are in the limit position, the latching projections 442 are located in the limiting slots 32, and the locking lever 3 is restricted from being in position relative to the locking bracket 2 Dismounting; referring to FIG. 24, when each of the latching members 44 is in the non-restricted position, the latching projections 442 are disengaged from the limiting slots 32, and the locking lever 3 is no longer constrained to be opposite to the latch Seat 2 is detached outward.

It should be noted that in the present embodiment, the lock cylinder unit 4 can also have only one fixing member 41, one positioning member 41', and a latching member 44 between the fixing member 41 and the positioning member 41'. .

As such, the third embodiment can achieve the same objects and effects as the first embodiment described above.

In summary, the lock of the present invention is such that when an incorrectly shaped key is used, the incorrectly shaped key can be prevented from being rotated by the limit of the first lock piece 42 and the second lock piece 43, thereby preventing The lock bar 3 is detached from the lock seat 2, so that the present invention can achieve the better anti-theft effect by increasing the difficulty of unlocking, so that the purpose of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

2‧‧‧Lock seat

20‧‧ ‧ room

21‧‧‧ body

22‧‧‧ Cover

23‧‧‧ channel

24‧‧‧ ‧ body

25‧‧‧ screws

3‧‧‧Lock lever

31‧‧‧ pole

32‧‧‧Limited slot

33‧‧‧First pole

34‧‧‧Second pole

35‧‧‧First limit slot

443‧‧‧ Elastomers

444‧‧‧Car face

445‧‧‧ card slot

446‧‧‧ Body Department

447‧‧‧Card Center

448‧‧‧Carmen main extension

45‧‧‧ Cards

451‧‧‧ card body

452‧‧‧First tooth

453‧‧‧second tooth

454‧‧‧Car face

455‧‧‧ card slot

456‧‧Carlis Central

36‧‧‧Second limit slot

4‧‧‧Clock unit

41‧‧‧Fixed parts

41'‧‧‧ Positioning parts

411‧‧‧ end face

412‧‧‧ positioning slot

42‧‧‧First lock piece

421‧‧‧First slotting

422‧‧‧First Ontology

423‧‧‧ first convex

424‧‧‧ First Central Department

425‧‧‧First Extension

43‧‧‧Second lock

431‧‧‧Second slotting

432‧‧‧Second ontology

433‧‧‧second convex body

434‧‧‧ Second Central Department

435‧‧‧Second extension

436‧‧‧Main interval

437‧‧‧ intervals

44‧‧‧ Cards

441‧‧‧ card body

442‧‧‧Cars convex

457‧‧‧Carmen main extension

458‧‧‧Card times extension

46‧‧‧First rack

461‧‧‧End

47‧‧‧ driven gear

48‧‧‧second rack

481‧‧‧End

49‧‧‧forced parts

5‧‧‧ key

51‧‧‧ shaft body

52‧‧‧ head

53‧‧‧ tail

54‧‧‧ Positioning block

55‧‧‧ card block

551‧‧‧Main Card Department

552 ‧ ‧ 掣 掣

553‧‧‧Extension card department

6‧‧‧ Layout

L‧‧‧ axis

X‧‧‧ first direction

Y‧‧‧second direction

Z‧‧‧ third direction

Other features and advantages of the present invention will be apparent from the embodiments of the drawings, wherein: Figure 1 is a partial partial cross-sectional view illustrating a prior art lock; Figure 2 is a partial exploded perspective view of the present invention A first embodiment of a new type of lock; FIG. 3 is a partial cross-sectional view showing a first embodiment of a first embodiment for inserting a key into a lock cylinder unit; FIG. 4 is a cross-sectional view showing the same in FIG. Figure 4 is a cross-sectional view showing a view taken along line VV of Figure 3; Figure 6 is a cross-sectional view showing the line taken along line VI-VI of Figure 3 Figure 7 is a cross-sectional view showing a view taken along line VII-VII of Figure 3; Figure 8 is a schematic cross-sectional view showing a view taken along line VIII-VIII of Figure 3; 9 is a view similar to FIG. 5, illustrating a latching member of the first embodiment rotated relative to a fixing member; FIG. 10 is a view similar to FIG. 7 illustrating the latching member of the first embodiment. The two-cylinder protrusion is not located in the second limit slot of a lock bar; 1 is a plan view showing a second embodiment of the present invention; FIG. 12 is a partial cross-sectional view showing the first rack and the second rack of the second embodiment extending along an axis Figure 13 is a fragmentary cross-sectional view showing the view taken along the line XIII-XIII in Figure 11; Figure 14 is a view similar to Figure 13 illustrating the first embodiment of the second embodiment The rack and the second rack are not located in a first limiting slot and a second limiting slot of a locking bar; FIG. 15 is a schematic diagram illustrating the first rack of the second embodiment and the second rack The second rack is respectively located in the first limiting slot and the second limiting slot of the locking bar, and a key is not inserted in a latching slot of a latching member; FIG. 16 is similar to FIG. a view that the first rack and the second rack of the second embodiment are not located in the first limiting slot and the second limiting slot of the locking bar, and the key is inserted in the card Figure 17 is a schematic view showing the application of the second embodiment as a gear shift; Figure 18 is a partial perspective FIG. 19 is a partial cross-sectional view showing the third embodiment, which can be used for inserting a key into a lock cylinder unit; FIG. 20 is a cross-sectional view showing Figure 21 is a cross-sectional view showing the view taken along the line XXI-XXI in Figure 19; Figure 22 is a cross-sectional view showing the same as Figure 19 Figure 23 is a cross-sectional view showing a view taken along the line XXIII-XXIII in Figure 19; and Figure 24 is a view similar to Figure 23, illustrating the third embodiment For example, the two latching protrusions of each of the latch members are not located in the second limiting slots of a locking bar.

2‧‧‧Lock seat

21‧‧‧ body

23‧‧‧ channel

3‧‧‧Lock lever

31‧‧‧ pole

32‧‧‧Limited slot

422‧‧‧First Ontology

423‧‧‧ first convex

43‧‧‧Second lock

431‧‧‧Second slotting

432‧‧‧Second ontology

433‧‧‧second convex body

4‧‧‧Clock unit

41‧‧‧Fixed parts

411‧‧‧ end face

412‧‧‧ positioning slot

42‧‧‧First lock piece

420‧‧‧ Around the wall

421‧‧‧First slotting

44‧‧‧ Cards

445‧‧‧ card slot

446‧‧‧ Body Department

L‧‧‧ axis

X‧‧‧ first direction

Y‧‧‧second direction

Z‧‧‧ third direction

Claims (10)

A lock for a key insertion and rotation, the key includes a shaft portion, and a plurality of positioning blocks located at the shaft portion and spaced along the extending direction of the shaft portion, the lock comprising: a lock seat; a lock lever is detachably disposed on the lock base; and a lock core unit is disposed on the lock base, and includes a fixing member that is hollowed through the lock seat around an axis, and the plurality of fixing members are disposed on the fixed portion a first locking piece arranged in the piece and arranged along the axis, a plurality of second locking pieces disposed in the fixing piece and arranged along the axis, and at least one disposed in the locking seat and rotatable relative to the fixing piece The first locking piece and the second locking piece are overlapped with each other, and each of the first locking pieces has a direction in which the shaft portion of the key extends along the axis a first slot that passes through, and a surrounding wall portion that defines the first slot and is used to limit the corresponding positioning block of the key to rotate about the axis, each second locking piece has a The shaft portion of the key passes through the axis extending direction and is For the positioning of the key block corresponding to rotation about the axis of the second slot. The lock of claim 1, wherein a projected area of each of the second slots along the extending direction of the axis is larger than a projected area of each of the first slots along the extending direction of the axis, and the first locking piece The first slot has a first central portion passing through the axis, and a first extending portion extending radially outward from the first central portion, the second slot of each second locking piece having a a second central portion of the axis, and a second extending portion extending radially outward from the second central portion, respectively, a projected area of each of the first central portions along the extending direction of the axis is substantially equivalent to each a projected area of the two central portions along the extending direction of the axis, and a projected area of each of the second extending portions along the extending direction of the axis is larger than a projected area of each of the first extending portions along the extending direction of the axis. The lock of claim 2, wherein the first extensions of each of the first slots are respectively elongated, and the second extensions of each of the second slots are respectively fan-shaped, each of The second extension has a main interval corresponding to each of the first extensions, and a sub-interval that connects the main sections. The lock of claim 1, wherein each positioning block of the key corresponds to the plurality of second locking pieces that are worn, and the adjacent two positioning blocks are opposite to the plurality of first locking pieces. Correspondingly, the length of each positioning block along the extending direction of the axis is not greater than the sum of the thicknesses of the second locking pieces that are disposed along the extending direction of the axis, and the extending direction of the two adjacent positioning blocks of the key along the axis The spacing is greater than the sum of the thicknesses of the corresponding first locking tabs along the axis. The lock according to claim 1, wherein the fixing member has a hollow cylindrical shape and has opposite end faces, and two positioning grooves respectively extending along the extending direction of the axis and communicating the end faces, each of the first locking pieces The first body has a first body, and the first protrusions are respectively protruded radially outward from the first body and are respectively engaged with the positioning grooves, and the first slot of each first locking piece The second body is disposed on the first body, and each of the second locking pieces further has a second body, and two second protrusions respectively protruding from the second body and being respectively disposed on the positioning grooves. The second slot of each second locking piece is located on the second body. The lock of any one of claims 1 to 5, wherein the lock seat has a seat body defining a chamber, a cover body for closing one side of the chamber, and two seats on the seat body. a passage extending along the extending direction of the axis and communicating with the chamber, the lock bar having two rod portions respectively accommodating the passages, and two limiting slots respectively forming the rod portions and opening toward the axis, the card The clamping member is adjacent to one end of the fixing member and located in the housing and has a latching body, two latching protrusions respectively extending from the latching body toward the limiting slots, and a cover body disposed on the latching body and the cover An elastic body between the body, the latching member is rotatable relative to the fixing member between a limit position and a non-limit position, and when the latch member is in the limit position, the latch protrusions are located The limiting slot, the locking rod is not detached from the locking seat by the limiting position, and when the clamping member is in the non-restricted position, the locking protrusions are disengaged from the limiting slots, the locking lever It can no longer be restricted and can be detached from the lock seat. The lock of claim 6, wherein the key further comprises a head and a tail portion respectively located on two sides of the shaft portion, and a latching block disposed on the tail portion, the latch body of the lock having a card surface opposite to the fixing member, a latching surface forming the latching surface and communicating the first slot and the second slot, and a surrounding of the latching slot and The latching surface extends toward the fixing member and is configured to be inserted into the ring body portion in the fixing member, the latching slot has a latching central portion, and a radially outwardly extending from the central portion of the latching portion The cassette block penetrates into the main extension of the driven cassette. The lock of any one of claims 1 to 5, wherein the lock has a seat defining a chamber, and two passages located in the seat and spaced apart from and communicating with the chamber, the lock lever Having a first shank portion accommodating one of the channels, a second shank portion accommodating the other of the channels, at least one first limit formed on the first shank portion and opening toward the axis a slot, and at least one second limiting slot that forms the second rod portion and opens toward the axis, the latching member is located in the chamber and has a latching body, and is disposed on the outer peripheral surface of the latch body and surrounds the slot a first tooth portion of the axis, and a second tooth portion disposed on the outer peripheral surface of the latch body and surrounding the axis and spaced apart from the extending direction of the first tooth portion along the axis, the lock core unit further includes a second tooth portion a first rack that is movable with respect to the first limiting slot, a driven gear that engages the second toothed portion, and a driven gear that is engageable with the second limiting slot The second rack that moves. The lock of claim 8, wherein the key further comprises a head and a tail portion respectively located on opposite sides of the shaft portion, and a latching block disposed on the tail portion, the latching block having a a main latch portion extending radially outwardly of the tail portion, and a secondary latch portion extending radially from the tail portion to a direction different from the extending direction of the main latch portion, the latch body having a card facing the fixing member a kneading surface, and a card slot forming the card surface and communicating the first slot and the second slot, the card slot having a latching central portion and a radial portion from the central portion of the latch Extending outwardly and for engaging the main card portion into the driving main extension portion, and a card extension extending radially outward from the central portion of the cassette for the sub-carb portion to be driven The extension of each of the plurality of card extensions in a direction perpendicular to the axis is shorter than the extension of each of the cardan main extensions in a direction perpendicular to the axis. The lock device of claim 1, wherein the lock cylinder unit further comprises at least one positioning member that passes through the lock seat and is hollow and spaced from the fixing member, the positioning member is provided for the first One of the plurality of locking tabs is disposed in a plurality of the second locking tabs, and the first locking tabs and the second locking tabs located in the positioning member are along the same The axis is arranged, and the latching member is located between the fixing member and the positioning member and is rotatable relative to the fixing member for limiting the locking bar.