CN114856324A

CN114856324A - Lock core structure and lock

Info

Publication number: CN114856324A
Application number: CN202210488367.7A
Authority: CN
Inventors: 罗甘
Original assignee: Shenzhen Long Brothers Digital Lock Co ltd
Current assignee: Shenzhen Long Brothers Digital Lock Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-05
Anticipated expiration: 2042-05-06
Also published as: CN114856324B

Abstract

The invention relates to a lock cylinder structure which comprises a transmission shaft, a first lock cylinder sleeve, a second lock cylinder sleeve, a shifting block and a fixing piece, wherein the first lock cylinder sleeve is sleeved on the transmission shaft; the second lock cylinder sleeve is sleeved on the transmission shaft; the shifting block is slidably sleeved on the transmission shaft and is positioned between the first lock cylinder sleeve and the second lock cylinder sleeve; the fixing piece is used for fixing the shifting block on the transmission shaft; wherein the first lock cylinder sleeve and/or the second lock cylinder sleeve can move relative to the transmission shaft along the axial direction of the transmission shaft. Through adjusting the relative transmission shaft of first lock cylinder cover and removing, adjust the relative transmission shaft transmission of second lock cylinder cover, also can adjust first lock cylinder cover and the relative transmission shaft movement of second lock cylinder cover simultaneously, thereby change the distance between first lock cylinder cover and the second lock cylinder cover, and then with the door that adapts to different thickness, can avoid the lock cylinder cover too long and the partial extension of the lock cylinder cover that leads to surpass the door body, make more pleasing to the eye, can also avoid the both ends of the lock cylinder cover that the lock cylinder cover too short leads to can not be with the both sides parallel and level of the door body.

Description

Lock core structure and lock

Technical Field

The invention relates to the technical field of locks, in particular to a lock core structure and a lock.

Background

The anti-theft locks on the market at present are various in type number, but the anti-theft locks of various types are different in size, and when the anti-theft lock is installed on a door frame, a lock cylinder with a proper length needs to be selected according to the thickness of a door to be installed. However, the lengths of the lock cylinders of the anti-theft locks are fixed when leaving the factory, but the thickness of the door can cause the phenomenon that the anti-theft locks are not matched with the door frame due to the problem of machining precision, sometimes the lock cylinder sleeve is too long, the part of the lock cylinder sleeve extends beyond the door body to cause the appearance of the door body, sometimes the lock cylinder sleeve is too short, the two ends of the lock cylinder sleeve cannot be parallel and level with the two sides of the door body, and the lock cylinder sleeve is easy to shake relative to the door body.

Disclosure of Invention

The invention aims to provide a length-adjustable lock core structure and a lock.

According to an aspect of the present invention, there is provided a lock cylinder structure including:

a drive shaft;

the first lock cylinder sleeve is sleeved on the transmission shaft;

the second lock cylinder sleeve is sleeved on the transmission shaft;

the shifting block is slidably sleeved on the transmission shaft and is positioned between the first lock cylinder sleeve and the second lock cylinder sleeve; and

the fixing piece is used for fixing the shifting block on the transmission shaft;

wherein the first cylinder sleeve and/or the second cylinder sleeve are movable relative to the drive shaft in an axial direction of the drive shaft.

As an embodiment of the present invention, the transmission shaft is provided with a transmission hole along an axial direction thereof, and the lock cylinder structure further includes a transmission member installed in the transmission hole, and the transmission member is capable of moving along the axial direction of the transmission shaft and is incapable of rotating around an axis of the transmission shaft.

As an embodiment of the present invention, the transmission member is a cylindrical member, at least one slot is formed at an end of the transmission member facing an opening of the transmission hole, a guide hole is formed along an axial direction of the transmission member, the guide hole penetrates through the transmission member in a radial direction of the transmission member, a positioning hole communicated with the transmission hole is formed along the radial direction of the transmission shaft, the lock cylinder structure further includes a fixing shaft and an elastic member, the fixing shaft sequentially penetrates through the positioning hole and the guide hole and is fixed on the transmission member, the fixing shaft is movable along the axial direction of the transmission member relative to the guide hole, and the elastic member is clamped between a bottom wall of the transmission hole and the transmission member.

As an embodiment of the invention, the transmission shaft comprises a first shaft and a second shaft which have the same outer diameter and the same axial line, the first lock cylinder sleeve is provided with a first mounting hole, the second lock cylinder sleeve is provided with a second mounting hole, the first shaft is rotatably arranged in the first mounting hole around the axis of the first shaft, the second shaft is rotatably arranged in the second mounting hole around the axis of the second shaft, and the part of the second shaft facing one end of the first shaft is arranged in the first mounting hole in a penetrating way, the second shaft is rotatably arranged relative to the first mounting hole, the transmission hole is arranged at one end of the second shaft facing the first shaft, the first shaft is provided with a connecting through hole along the axial direction in a penetrating mode, an unlocking assembly matched with the slot is installed in the connecting through hole, and the unlocking assembly can be inserted into the slot to rotate the transmission piece.

As an embodiment of the present invention, the unlocking assembly includes a lock core rotatably disposed in the connecting through hole, and a plug connected to the lock core, and when a key is inserted into the lock core, the plug can extend into the slot.

As an embodiment of the present invention, one end of the transmission shaft extends out of the second lock cylinder sleeve, and a plurality of fourth limiting grooves are axially spaced apart from a portion of the transmission shaft extending out of the second lock cylinder sleeve, the lock cylinder structure further includes a handle and a fourth screw, the handle is mounted on the portion of the transmission shaft extending out of the second lock cylinder sleeve, a fourth threaded hole is formed in the handle, and the fourth screw is threadedly mounted in the fourth threaded hole and abuts against one of the fourth limiting grooves.

As an embodiment of the present invention, the lock cylinder structure further includes an adjusting rod, an axis of the adjusting rod is parallel to an axis of the transmission shaft, the first lock cylinder sleeve is sleeved on the adjusting rod, and the second lock cylinder sleeve is sleeved on the adjusting rod, wherein the first lock cylinder sleeve and/or the second lock cylinder sleeve can move relative to the adjusting rod along an axis direction of the adjusting rod.

As an embodiment of the present invention, the lock cylinder structure further includes a first limiting member that limits the movement of the first lock cylinder sleeve relative to the adjustment lever, and a second limiting member that limits the movement of the second lock cylinder sleeve relative to the adjustment lever.

As an embodiment of the present invention, the first lock cylinder sleeve is provided with a first shaft hole for sleeving the adjustment rod and a first threaded hole communicated with the first shaft hole, the second lock cylinder sleeve is provided with a second shaft hole for sleeving the adjustment rod and a second threaded hole communicated with the second shaft hole, the outer surface of the adjustment rod is provided with a first limiting groove and a second limiting groove along the axial direction thereof, the first limiting groove corresponds to the first threaded hole, the second limiting groove corresponds to the second threaded hole, wherein the axial direction of the first threaded hole is perpendicular to the axial direction of the adjustment rod, the axial direction of the second threaded hole is perpendicular to the axial direction of the adjustment rod, the first limiting member comprises a first screw, the first screw is in threaded connection with the first threaded hole and presses against the first limiting groove, the second limiting member comprises a second screw, the second screw is in threaded connection with the second threaded hole and is pressed against the second limiting groove.

As an embodiment of the present invention, the adjusting lever is provided with a fixing hole along a radial direction thereof.

As an embodiment of the present invention, a third limiting groove is formed on the transmission shaft along the axial direction of the transmission shaft, a third threaded hole is formed on the shifting block, an axis of the third threaded hole is perpendicular to an axis of the transmission shaft, and the fixing member includes a third screw, and the third screw is installed in the third threaded hole and abuts against and presses against the third limiting groove.

According to another aspect of the present invention, there is provided a lock, including a lock body, a bolt provided on the lock body, and a key cylinder structure as described in any one of the above embodiments; the pulling block is used for driving the lock tongue to extend or retract so as to lock or unlock.

The embodiment of the invention has the following beneficial effects:

the lock core structure in the embodiment can change the distance between the first lock core sleeve and the second lock core sleeve by adjusting the first lock core sleeve to move relative to the transmission shaft or adjusting the second lock core sleeve to transmit relative to the transmission shaft or simultaneously adjusting the first lock core sleeve and the second lock core sleeve to move relative to the transmission shaft, thereby being suitable for doors with different thicknesses, avoiding the phenomenon that the part of the lock cylinder sleeve extends beyond the door body due to the long length of the lock cylinder sleeve, so that the lock core sleeve is more beautiful, and the problem that the two ends of the lock core sleeve are not parallel and level with the two sides of the door body due to the too short lock core sleeve can be avoided, so that the lock core sleeve is more stable to be fixed relative to the door body and is not easy to shake, because the shifting block can slide relative to the transmission shaft, the position of the shifting block relative to the transmission shaft can be adjusted according to the actual installation requirement, the problem that due to design errors, the shifting block cannot work normally after installation or installation is not easy to achieve can be solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lock cylinder structure according to an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the lock cylinder structure of FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 4 is a schematic view of the lock cylinder structure of FIG. 1 after adjusting the length;

FIG. 5 is a schematic structural diagram of a lock according to an embodiment of the present invention;

wherein: 10. a lock cylinder structure; 20. a lock body; 30. a latch bolt; 100. a drive shaft; 101. a third limiting groove; 102. a drive bore; 103. positioning holes; 104. a fourth limit groove; 110. a first shaft; 120. a second shaft; 210. a first barrel cover; 211. a first shaft hole; 212. a first threaded hole; 213. a first mounting hole; 220. a second cylinder sleeve; 221. a second shaft hole; 222. a second threaded hole; 223. a second mounting hole; 230. adjusting a rod; 231. a first limit groove; 232. a second limit groove; 233. a fixing hole; 310. a first limit piece; 320. a second limiting member; 410. shifting blocks; 411. a third threaded hole; 420. a fixing member; 510. a transmission member; 511. a slot; 512. a guide hole; 520. a fixed shaft; 530. an elastic member; 600. an unlocking assembly; 610. a lock liner; 620. a plug-in unit; 700. clamping a hoop; 800. handshaking; 801. a fourth threaded hole; 900. and a fourth screw.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, an embodiment of the present invention provides a lock cylinder structure 10, where the lock cylinder structure 10 in this embodiment can be applied to various locks, especially preferably to a door lock and a car door lock, and the length of the lock cylinder can be properly adjusted according to the thickness of a mounted door, so as to meet different mounting requirements.

The lock cylinder structure 10 in this embodiment includes a transmission shaft 100, a first lock cylinder sleeve 210, and a second lock cylinder sleeve 220, wherein the first lock cylinder sleeve 210 is disposed on the transmission shaft 100, and the second lock cylinder sleeve 220 is disposed on the transmission shaft 100, and the first lock cylinder sleeve 210 and/or the second lock cylinder sleeve 220 can move relative to the transmission shaft 100 along an axial direction of the transmission shaft 100. The lock core structure 10 in this embodiment, move relative to the transmission shaft 100 by adjusting the first lock core sleeve 210, or adjust the transmission of the second lock core sleeve 220 relative to the transmission shaft 100, or adjust the first lock core sleeve 210 and the second lock core sleeve 220 to move relative to the transmission shaft 100 simultaneously, thereby change the distance between the first lock core sleeve 210 and the second lock core sleeve 220, and then adapt to doors of different thicknesses, can avoid the lock core sleeve from being too long and the part of the lock core sleeve that leads to extends beyond the door body, make more beautiful, can also avoid the both ends of the lock core sleeve that the lock core sleeve leads to too short from being parallel and level with the both sides of the door body, thereby make the lock core sleeve fixed more stable relative to the door body, and be difficult to rock.

In addition, since the first cylinder sleeve 210 and the second cylinder sleeve 220 in this embodiment are separately arranged, when installing, the first cylinder sleeve 210 and the second cylinder sleeve 220 in this embodiment can be respectively installed into the lock hole on the door from two sides of the door body, so that the lock hole installed into the first cylinder sleeve 210 and the lock hole installed into the second cylinder sleeve 220 may not completely overlap in the axial direction of the transmission shaft 100, thereby increasing the installation manner of the cylinder structure 10, and at this time, the cylinder structure 10 can be prevented from moving in the axial direction of the transmission shaft 100 relative to the door by the limit of the first cylinder sleeve 210 and the door in the axial direction of the transmission shaft 100 and the limit of the second cylinder sleeve 220 and the door in the axial direction of the transmission shaft 100.

In an embodiment, the key cylinder structure 10 further includes an adjusting rod 230, an axis of the adjusting rod 230 is parallel to an axis of the transmission shaft 100, the first key cylinder sleeve 210 is sleeved on the adjusting rod 230, the second key cylinder sleeve 220 is sleeved on the adjusting rod 230, preferably, the first key cylinder sleeve 210 and the second key cylinder sleeve 220 are completely overlapped in the direction of the transmission shaft 100, and thus the first key cylinder sleeve 210 and the second key cylinder sleeve 220 can be completely inserted into the door from one side of the door. The first barrel 210 and/or the second barrel 220 may be movable relative to the adjustment lever 230 in an axial direction of the adjustment lever 230. In this embodiment, the rod 230 is adjusted relatively to the accessible regulation first lock cylinder cover 210, also can adjust the rod 230 and slide relatively to the second lock cylinder cover 220 through adjusting, can also adjust first lock cylinder cover 210 and the relative regulation rod 230 of second lock cylinder cover 220 simultaneously and slide, thereby change the distance between first lock cylinder cover 210 and the second lock cylinder cover 220, and then in order to adapt to the door of different thickness, can avoid the lock cylinder cover too long and the partial extension of the lock cylinder cover that leads to surpass the door body, make more pleasing to the eye, can also avoid the both ends of the lock cylinder cover that the lock cylinder cover leads to too short can not be with the both sides parallel and level of the door body, thereby make the lock cylinder cover fixed more stable relative to the door body, be difficult for rocking.

In a specific embodiment, an end of the first cylinder sleeve 210 away from the second cylinder sleeve 220 is flush with an end of the transmission shaft 100, and the first cylinder sleeve 210 is restricted from moving in the axial direction of the transmission shaft 100 relative to the transmission shaft 100, but the second cylinder sleeve 220 can be adjusted to move in the axial direction of the transmission shaft 100 relative to the adjustment rod 230 and the transmission shaft 100 by adjusting the adjustment rod 230 to move in the axial direction of the transmission shaft 100 relative to the first cylinder sleeve 210, so as to meet the adjustment requirement, and always meet the requirement that an end of the first cylinder sleeve 210 away from the second cylinder sleeve 220 is flush with an end of the transmission shaft 100.

Based on the previous embodiment, in an embodiment, the lock cylinder structure 10 further includes a first stopper 310 for limiting the movement of the first lock cylinder sleeve 210 relative to the adjustment rod 230 and a second stopper 320 for limiting the movement of the second lock cylinder sleeve 220 relative to the adjustment rod 230. Because the first lock cylinder sleeve 210 is limited to move relative to the transmission shaft 100, the first lock cylinder sleeve 210 can be limited to move relative to the adjustment rod 230 by the first limiting member 310, and the second lock cylinder sleeve 220 can be limited to move relative to the adjustment rod 230 by the second limiting member 320, after the distance between the first lock cylinder sleeve 210 and the second lock cylinder sleeve 220 is adjusted, the first lock cylinder sleeve 210, the second lock cylinder sleeve 220, the adjustment rod 230 and the transmission shaft 100 can be kept in a relatively static state, subsequent installation is facilitated, and the use stability is also improved.

In a specific embodiment, the first lock cylinder sleeve 210 defines a first shaft hole 211 for receiving the adjustment rod 230 and a first threaded hole 212 communicating with the first shaft hole 211, the second lock cylinder sleeve 220 defines a second shaft hole 221 for receiving the adjustment rod 230 and a second threaded hole 222 communicating with the second shaft hole 221, the outer surface of the adjustment rod 230 defines a first limit groove 231 and a second limit groove 232 along the axial direction thereof, the first limit groove 231 corresponds to the first threaded hole 212, the second limit groove 232 corresponds to the second threaded hole 222, the axial direction of the first threaded hole 212 is perpendicular to the axial direction of the adjustment rod 230, the axial direction of the second threaded hole 222 is perpendicular to the axial direction of the adjustment rod 230, the first position-limiting member 310 includes a first screw, the first screw is in threaded connection with the first threaded hole 212 and abuts against the first position-limiting groove 231, the second position-limiting member 320 includes a second screw, and the second screw is in threaded connection with the second threaded hole 222 and abuts against the second position-limiting groove 232. In this embodiment, when the length of the key cylinder structure 10 needs to be adjusted, the first screw is unscrewed, so that the adjustment rod 230 can be moved relative to the first key cylinder sleeve 210, so that the distance between the first key cylinder sleeve 210 and the second key cylinder sleeve 220 can be changed, thereby completing the length adjustment of the key cylinder structure 10, the second screw is unscrewed, so that the second key cylinder sleeve 220 can be moved relative to the adjustment rod 230 and the transmission shaft 100, so that the distance between the first key cylinder sleeve 210 and the second key cylinder sleeve 220 can be changed, thereby completing the length adjustment of the key cylinder structure 10, and the first key cylinder sleeve 210 and the second key cylinder sleeve 220 can be unscrewed simultaneously, thereby adjusting the distance between the first key cylinder sleeve 210 and the second key cylinder sleeve 220.

It should be noted that in some embodiments, the first screw and the second screw may be replaced by a latch.

In one embodiment, the adjustment rod 230 has a fixing hole 233 formed along a radial direction thereof. Through setting up this fixed orifices 233, can fix the door together with fixed orifices 233 through the screw, thereby can restrict adjusting lever 230 and move relative to the door along its axial, and the door is when designing, the hole position that cooperates the fixed orifices 233 on the door may have design error, in this embodiment, because adjusting lever 230 can move relative to first lock core cover 210 and second lock core cover 220, through adjusting the position of adjusting lever 230, make fixed orifices 233 correspond with the hole position that fixed orifices 233 cooperate on the door, thereby can avoid on the door with the hole position that fixed orifices 233 cooperate the fixed orifices 233 to have design error and can't install or install the back unsightly.

Of course, in other embodiments, the fixing hole 233 may be formed on the first cylinder sleeve 210 or the second cylinder sleeve 220.

In one embodiment, the lock cylinder structure 10 further includes a dial 410 slidably disposed on the transmission shaft 100 and a fixing member 420 for limiting the movement of the dial 410 relative to the transmission shaft 100. In this embodiment, since the shifting block 410 can slide relative to the transmission shaft 100, the position of the shifting block 410 relative to the transmission shaft 100 can be adjusted according to actual installation requirements, and the problem that the shifting block 410 cannot work normally due to difficulty in installation or after installation caused by design errors can be solved.

In a specific embodiment, the transmission shaft 100 is provided with a third limiting groove 101 along the axial direction thereof, the shifting block 410 is provided with a third threaded hole 411, the axis of the third threaded hole 411 is perpendicular to the axis of the transmission shaft 100, and the fixing member 420 includes a third screw, which is installed in the third threaded hole 411 and pressed against the third limiting groove 101. In this embodiment, the shifting block 410 can be moved relative to the transmission shaft 100 by loosening the third screw, and the shifting block 410 can be fixed on the transmission shaft 100 by tightening the third screw.

Of course, in other embodiments, the third screw may be replaced by a latch.

In an embodiment, the transmission shaft 100 is provided with a transmission hole 102 along an axial direction thereof, and the lock cylinder structure 10 further includes a transmission member 510 installed in the transmission hole 102, wherein the transmission member 510 is capable of moving along the axial direction of the transmission shaft 100 and is incapable of rotating around the axis of the transmission shaft 100. Because transmission member 510 can not encircle the axis rotation of transmission shaft 100 to can drive transmission shaft 100 through rotating transmission member 510 and rotate, and then drive shifting block 410 and rotate, and then can realize the closure or the opening of lock core structure 10, thereby can lock the door and open the door, because transmission member 510 in this embodiment can follow the axial displacement of transmission shaft 100, and then can adjust the position of transmission member 510 relative to transmission shaft 100 as required.

Further, the transmission member 510 is a cylindrical member, at least one slot 511 is formed at an end of the transmission member 510 facing the opening of the transmission hole 102, a guide hole 512 is formed in the transmission member 510 along the axial direction of the transmission member, the guide hole 512 penetrates through the transmission member 510 in the radial direction of the transmission member 510, the transmission shaft 100 is provided with a positioning hole 103 communicating with the transmission hole 102 along the radial direction of the transmission member, the lock cylinder structure 10 further includes a fixing shaft 520 and an elastic member 530, the fixing shaft 520 sequentially penetrates through the positioning hole 103 and the guide hole 512 and is fixed on the transmission member 510, the fixing shaft 520 can move along the axial direction of the transmission member 510 relative to the guide hole 512, and the elastic member 530 is sandwiched between the bottom wall of the transmission hole 102 and the transmission member 510. In this embodiment, the fixing shaft 520 is matched with the guiding hole 512 and the positioning hole 103, so that the transmission member 510 can move in the axial direction of the transmission shaft 100 relative to the fixing shaft 520, and when the transmission member 510 rotates, the fixing shaft 520 is driven to rotate, and then the transmission shaft 100 is driven to rotate, and the shifting block 410 is further driven to rotate. Since the elastic member 530 is sandwiched between the bottom wall of the transmission hole 102 and the transmission member 510, preferably, the elastic member 530 is a spring, the elastic member 530 can drive the transmission member 510 to move away from the bottom wall of the transmission hole 102, and the transmission member 510 can press the elastic member 530 to move toward the bottom wall of the transmission hole 102 under an external force, such as the unlocking assembly 600 described below.

In one embodiment, the lock cylinder arrangement 10 further includes an unlocking assembly 600 that mates with slot 511, the unlocking assembly 600 being capable of being inserted into slot 511 to rotate driver 510. The driving member 510 can press the elastic member 530 to move toward the bottom wall of the driving hole 102 under the action of the unlocking assembly 600, thereby facilitating the quick insertion of the unlocking assembly 600 into the slot 511.

In one embodiment, the unlocking assembly 600 includes a cylinder core 610 and a plug 620 connected to the cylinder core 610, wherein the plug 620 is capable of extending into the slot 511 when a key is inserted into the cylinder core 610. Generally, only when the key inserts the lock courage 610 in the back completely, the key side can rotate, because the direction that driving medium 510 can extrude elastic component 530 towards the diapire of transmission hole 102 removes, thereby can guarantee that the key can accomplish after driving plug connector 620 extrusion driving medium 510 and insert in the lock courage 610, after the key inserts the lock courage 610 completely, the key can rotate, and then drive plug connector 620 and rotate, and then in the entering slot 511 that plug connector 620 can be quick, thereby can drive driving medium 510 through plug connector 620 and rotate.

Preferably, the transmission member 510 is provided with a plurality of slots 511, which may be 2, or 4, 6, or other numbers, and the slots 511 are multiple, so that the plug connector 620 can be inserted into the slots 511 more conveniently, that is, the unlocking by the user is more convenient.

In an embodiment, the transmission shaft 100 includes a first shaft 110 and a second shaft 120 having the same outer diameter and coinciding with each other, the first lock cylinder sleeve 210 is provided with a first mounting hole 213, the second lock cylinder sleeve 220 is provided with a second mounting hole 223, the first shaft 110 is rotatably disposed in the first mounting hole 213 around the axis thereof, the second shaft 120 is rotatably disposed in the second mounting hole 223 around the axis thereof, a portion of the second shaft 120 facing one end of the first shaft 110 is disposed in the first mounting hole 213, and the second shaft 120 is rotatably disposed relative to the first mounting hole 213. By dividing the transmission shaft 100 into the first shaft 110 and the second shaft 120, the unlocking operations can be performed on both sides of the door, respectively, without affecting each other.

Further, the first shaft 110 and the first cylinder cover 210 are connected by a yoke 700, and a portion of the second shaft 120 inserted into the first mounting hole 213 is connected to the first cylinder cover 210 by the yoke 700, so that the first cylinder cover 210 cannot relatively move in the axial direction of the drive shaft 100 with respect to the first shaft 110 and the second shaft 120, but can rotate with respect to the first shaft 110 and the second shaft 120.

Further, the transmission hole 102 is opened at one end of the second shaft 120 facing the first shaft 110, the first shaft 110 has a connection through hole extending through the axial direction thereof, the unlocking assembly 600 is rotatably installed in the connection through hole, specifically, the lock core 610 is installed in the connection through hole, and the connector 620 can move in the connection through hole toward the transmission member 510.

Further, one end of the transmission shaft 100 extends out of the second lock cylinder sleeve 220, and a plurality of fourth limiting grooves 104 are axially spaced on a portion of the transmission shaft 100 extending out of the second lock cylinder sleeve 220, preferably, a plurality of fourth limiting grooves 104 are formed in the second shaft 120, the lock cylinder structure 10 further includes a handle 800 and a fourth screw 900 which are installed on the portion of the transmission shaft 100 extending out of the second lock cylinder sleeve 220, a fourth threaded hole 801 is formed in the handle 800, and the fourth screw 900 is threadedly installed in the fourth threaded hole 801 and abuts against one of the fourth limiting grooves 104. Through the cooperation of the plurality of fourth limiting grooves 104 and the fourth screws 900, the adjustable handle 800 can move relative to the transmission shaft 100 in the axial direction of the transmission shaft 100 to cooperate with the adjustment of the first lock cylinder sleeve 210 and the second lock cylinder sleeve 220.

Preferably, the shape and structure of the handle 800 are not limited, and may be cylindrical or handle-shaped, so long as the handle is convenient for the user to hold and apply force.

Referring to fig. 1-5, the present invention also provides a lock that can be used in vehicle doors, house doors, and other locations where a lock is desired. The lock in this embodiment includes a lock body 20, a locking bolt 30 disposed on the lock body 20, and a lock cylinder structure 10 in any of the above embodiments, wherein the pulling block 410 is used to drive the locking bolt 30 to extend or retract to lock or unlock. Because the lock core structure 10 can move relative to the transmission shaft 100 by adjusting the first lock core sleeve 210, or adjust the transmission of the second lock core sleeve 220 relative to the transmission shaft 100, or adjust the first lock core sleeve 210 and the second lock core sleeve 220 to move relative to the transmission shaft 100 simultaneously, thereby changing the distance between the first lock core sleeve 210 and the second lock core sleeve 220, and further adapting to doors with different thicknesses, and avoiding the situation that the lock core sleeve is too long and the part of the lock core sleeve caused extends beyond the door body, so that the lock core structure is more beautiful, and also avoiding the situation that the two ends of the lock core sleeve caused by too short lock core sleeve cannot be parallel and level with the two sides of the door body, thereby making the lock core sleeve fixed relative to the door body more stable, and not easy to rock. Therefore, the influence of the environment on the lock in the embodiment is greatly reduced, and the adaptive environment is wider.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A lock cylinder structure characterized by comprising:

a drive shaft;

the first lock cylinder sleeve is sleeved on the transmission shaft;

the second lock cylinder sleeve is sleeved on the transmission shaft;

2. The lock cylinder structure according to claim 1, wherein the transmission shaft is provided with a transmission hole along an axial direction thereof, and the lock cylinder structure further comprises a transmission member mounted in the transmission hole, the transmission member being capable of moving in the axial direction of the transmission shaft and being incapable of rotating around an axis of the transmission shaft.

3. The lock core structure according to claim 2, wherein the transmission member is a cylindrical member, at least one slot is formed at an end of the transmission member facing the opening of the transmission hole, a guide hole is formed in the transmission member along an axial direction of the transmission member, the guide hole penetrates through the transmission member in a radial direction of the transmission member, a positioning hole communicated with the transmission hole is formed in the transmission shaft along the radial direction of the transmission member, the lock core structure further includes a fixing shaft and an elastic member, the fixing shaft sequentially penetrates through the positioning hole and the guide hole and is fixed to the transmission member, the fixing shaft is movable relative to the guide hole in the axial direction of the transmission member, and the elastic member is clamped between a bottom wall of the transmission hole and the transmission member.

4. The lock cylinder structure according to claim 3, wherein the transmission shaft includes a first shaft and a second shaft having the same outer diameter and coinciding axes, the first lock cylinder sleeve is provided with a first mounting hole, the second lock cylinder sleeve is provided with a second mounting hole, the first shaft is rotatably arranged in the first mounting hole around the axis of the first shaft, the second shaft is rotatably arranged in the second mounting hole around the axis of the second shaft, and the part of the second shaft facing one end of the first shaft is arranged in the first mounting hole in a penetrating way, the second shaft is rotatably arranged relative to the first mounting hole, the transmission hole is arranged at one end of the second shaft facing the first shaft, the first shaft is provided with a connecting through hole along the axial direction in a penetrating mode, an unlocking assembly matched with the slot is installed in the connecting through hole, and the unlocking assembly can be inserted into the slot to rotate the transmission piece.

5. The lock core structure according to claim 4, wherein the unlocking assembly includes a lock core rotatably disposed in the connecting through hole and a plug member connected to the lock core, and the plug member is capable of extending into the slot when a key is inserted into the lock core.

6. The lock core structure according to claim 5, wherein one end of the transmission shaft extends out of the second lock core sleeve, and a plurality of fourth limiting grooves are axially arranged on the part of the transmission shaft extending out of the second lock core sleeve at intervals, the lock core structure further comprises a handle and a fourth screw, the handle is arranged on the part of the transmission shaft extending out of the second lock core sleeve, a fourth threaded hole is arranged on the handle, and the fourth screw is threadedly arranged in the fourth threaded hole and abuts against one of the fourth limiting grooves.

7. The lock cylinder structure according to claim 1, further comprising an adjusting rod, wherein an axis of the adjusting rod is parallel to an axis of the transmission shaft, the first lock cylinder sleeve is sleeved on the adjusting rod, and the second lock cylinder sleeve is sleeved on the adjusting rod, wherein the first lock cylinder sleeve and/or the second lock cylinder sleeve can move relative to the adjusting rod along an axial direction of the adjusting rod.

8. The lock cylinder arrangement according to claim 7, further comprising a first stop limiting movement of the first lock cylinder sleeve relative to the adjustment bar and a second stop limiting movement of the second lock cylinder sleeve relative to the adjustment bar.

9. The lock core structure according to claim 8, wherein the first lock core sleeve has a first shaft hole for receiving the adjustment lever and a first threaded hole communicating with the first shaft hole, the second lock core sleeve has a second shaft hole for receiving the adjustment lever and a second threaded hole communicating with the second shaft hole, the outer surface of the adjustment lever has a first limit groove and a second limit groove along its axial direction, the first limit groove corresponds to the first threaded hole, the second limit groove corresponds to the second threaded hole, wherein the axial direction of the first threaded hole is perpendicular to the axial direction of the adjustment lever, the axial direction of the second threaded hole is perpendicular to the axial direction of the adjustment lever, the first limiting member comprises a first screw, the first screw is threaded into the first threaded hole and pressed against the first limit groove, the second limiting part comprises a second screw, and the second screw is in threaded connection with the second threaded hole and is abutted against the second limiting groove.

10. The lock cylinder structure according to claim 7, wherein the adjusting lever is provided with a fixing hole along a radial direction thereof.

11. The lock core structure according to claim 1, wherein the transmission shaft is provided with a third limiting groove along an axial direction thereof, the dial block is provided with a third threaded hole, an axis of the third threaded hole is perpendicular to an axis of the transmission shaft, the fixing member includes a third screw, and the third screw is installed in the third threaded hole and abuts against and presses against the third limiting groove.

12. A lock comprising a lock body, a locking bolt provided on the lock body and a plug structure as claimed in any one of claims 1 to 11; the pulling block is used for driving the lock tongue to extend or retract so as to lock or unlock.