Clutch type lock cylinder structure

Abstract

The utility model discloses a clutch type lock cylinder structure which comprises a mounting seat, a lock cylinder assembly and a driving piece, the lock cylinder assembly and the driving piece are respectively connected to the mounting seat, the lock cylinder assembly comprises a lock cylinder body and a lock shaft driving the lock cylinder body to act, and a speed reducing mechanism is arranged at the output end of the driving piece. A transmission gear in transmission connection with the output end of the speed reduction mechanism is arranged outside the lock shaft in a sleeved mode, the transmission gear and the lock shaft synchronously rotate in the circumferential direction, and the transmission gear can slide between a first position and a second position relative to the lock shaft in the axial direction. When the lock cylinder body is unlocked, the transmission gear moves from the first position to the second position, then the transmission gear is disengaged from the driving gear, at the moment, the lock shaft is driven to rotate by manually rotating the operation tool, then the lock cylinder body is unlocked, and therefore the manual unlocking function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of door lock cores, in particular to a clutch lock core structure. Background Art

[0002] A smart lock is a lock that is different from a traditional mechanical lock. It verifies the user's access rights through a password or a password combined with biometrics, and controls the mechanical device through circuits to complete the unlocking and locking actions.

[0003] After searching, a Chinese invention patent (application publication number: CN118461995A) provides an emergency lock cylinder structure, including:

[0004] A lock housing, wherein a lever is rotatably connected to the lock housing, and a lock pin assembly is slidably connected within the lever;

[0005] The operating tool assembly includes a rotating rod, which is axially slidable and extends into the lock housing and is rotatable along its circumference; a first clutch block is provided on the rotating rod, and the first clutch block is adapted to slide along the axial direction of the rotating rod between a first position and a second position;

[0006] a driving member, disposed on the rotating rod, the driving member being connected to a movable rod, the driving member being adapted to drive the movable rod to slide along the axial direction of the rotating rod, the movable rod abutting against a side wall of the first clutch block;

[0007] A transmission assembly, wherein a second clutch block is provided at a first end thereof, the second clutch block corresponds to the first clutch block, the first clutch block is in contact with the second clutch block in the first position, and is disengaged from the second clutch block in the second position, the second end of the transmission assembly is engaged with the lock pin assembly, and the transmission assembly is adapted to drive the lock pin assembly to slide and rotate;

[0008] The controller is electrically connected to the driving member and is adapted to control the driving member to drive the movable rod to slide according to an acquired instruction sent by the mobile terminal.

[0009] This prior art allows a user to initiate emergency unlocking by sending a command to a controller via their mobile phone when they don't have a mechanical key. The controller then controls a driver to slide the movable rod, thereby engaging the first clutch block with the second clutch block. Once the first and second clutch blocks are connected, the user then drives the operating tool assembly to slide and rotate the entire transmission assembly within the lock housing, causing the lock pin assembly to rotate the lever, ultimately completing the emergency unlocking process.

[0010] However, the defects of the above-mentioned prior art are: when the smart lock has no power, the motor of the smart lock has exceeded its service life due to long-term use, or the smart lock is damaged by a fire at home, the lock can only be mechanically unlocked by using a spare key outdoors. However, usually no one outdoors has a spare key, which makes people indoors trapped indoors and difficult to leave. Therefore, this shortcoming needs to be improved urgently. Utility Model Content

[0011] The purpose of the present invention is to solve the above problems. The present invention provides a clutch lock core structure, which has the advantages of being able to unlock electrically and manually at the same time.

[0012] To achieve the above-mentioned object, the present invention provides the following technical solution: comprising a mounting base, a lock cylinder assembly and a driving member, wherein the lock cylinder assembly and the driving member are respectively connected to the mounting base, the lock cylinder assembly comprises a lock cylinder body and a lock shaft for driving the lock cylinder body, the output end of the driving member is provided with a reduction mechanism, the outer surface of the lock shaft is provided with a transmission gear which is transmission-connected to the output end of the reduction mechanism, the transmission gear and the lock shaft rotate synchronously in the circumferential direction, and the transmission gear can slide relative to the lock shaft in the axial direction between a first position and a second position;

[0013] When the transmission gear is located at the first position of the locking shaft, the transmission gear is engaged with the output end of the reduction mechanism;

[0014] When the transmission gear is located at the second position of the lock shaft, the transmission gear is disengaged from the output end of the speed reduction mechanism.

[0015] Preferably, the lock core assembly further includes a connecting seat, through which the lock core body is connected to the mounting seat, a connecting hole being provided in the connecting seat, a first bearing sliding axially being installed in the connecting hole, and the lock shaft being installed in the first bearing.

[0016] Preferably, a second bearing is fixedly installed in the connecting hole, and a spring is provided between the first bearing and the second bearing, and the spring always has a tendency to push the first bearing to move away from the second bearing.

[0017] Preferably, the transmission gear has a protrusion that cooperates with the first bearing.

[0018] Preferably, the mounting seat is provided with an axial hole for the locking shaft to pass through, and the locking shaft passes through the axial hole.

[0019] Preferably, it further includes an operating tool for cooperating with the lock shaft, and there is a gap between the inner wall of the shaft hole and the lock shaft for inserting the operating tool. The operating tool can be inserted into the gap and drive the transmission gear to move axially along the lock shaft.

[0020] Preferably, the operating tool includes a sleeve and a knob, one end of the sleeve is sleeved on the outer circumference of the lock shaft, and the knob is integrally formed with the other end of the sleeve.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] The utility model provides a clutch lock core structure, which moves the transmission gear from the first position to the second position by manually pushing the operating tool axially, thereby disengaging the transmission gear from the reduction mechanism. At this time, the operating tool is manually rotated to drive the lock shaft to rotate, thereby unlocking the lock core body, thereby realizing the function of manual unlocking, and when the transmission gear is in the first position, the driving gear is driven to rotate by the driving member, thereby driving the lock shaft to rotate, thereby unlocking the lock core body, thereby realizing the function of electric unlocking. The smart lock core of the present application can be unlocked manually while being able to be unlocked electrically, thereby preventing people in the room from being trapped. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a side structural diagram of the present utility model;

[0025] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the cross-sectional structure of the utility model without the operating tool;

[0027] Figure 5 This is a schematic diagram of the internal three-dimensional structure of the utility model;

[0028] Figure 6 It is a schematic diagram of the three-dimensional structure of the lock shaft of the utility model.

[0029] Description of the drawings: 1. Lock housing; 2. Push rod; 20. Connecting hole; 21. Connecting seat; 22. Mounting seat; 220. Shaft hole; 23. First bearing; 24. Second bearing; 25. Spring; 26. Circlip; 3. Speed ​​reduction mechanism; 31. Transmission gear; 311. Protrusion; 32. Driving gear; 33. Driven gear; 34. Lock shaft; 341. Annular groove; 4. Driving member; 5. Operating tool; 51. Sleeve; 52. Knob; 6. Lock pin assembly. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] like Figure 1-6 As shown in the figure, a clutch lock cylinder structure includes a mounting base 22, a lock cylinder assembly and a driving member 4. The lock cylinder assembly and the driving member 4 are respectively connected to the mounting base 22. The lock cylinder assembly includes a lock cylinder body and a lock shaft 34 that drives the lock cylinder body. The output end of the driving member 4 is provided with a reduction mechanism 3. The outer surface of the lock shaft 34 is provided with a transmission gear 31 that is transmission-connected to the output end of the reduction mechanism 3. The transmission gear 31 rotates synchronously with the lock shaft 34 in the circumferential direction, and the transmission gear 31 can slide axially relative to the lock shaft 34 between a first position and a second position.

[0032] When the transmission gear 31 is located at the first position of the lock shaft 34, the transmission gear 31 is engaged with the output end of the speed reduction mechanism 3;

[0033] When the transmission gear 31 is located at the second position of the lock shaft 34 , the transmission gear 31 is disengaged from the output end of the speed reduction mechanism 3 .

[0034] The clutch lock cylinder provided in the present application has the first end of the lock shaft 34 connected to the lock cylinder body during installation, and the second end of the lock shaft 34 facing indoors during installation, and the transmission gear 31 is located at the second end of the lock shaft 34. In this way, when the driving member 4 loses power or an emergency occurs, the user can manually unlock the lock by adjusting the position of the transmission gear 31 indoors.

[0035] The lock core assembly also includes a connecting seat 21, and the lock core body is connected to the mounting seat 22 through the connecting seat 21. A connecting hole 20 is provided in the connecting seat 21, and a first bearing 23 sliding in the axial direction is installed in the connecting hole 20. The lock shaft 34 is installed in the first bearing 23, and the first bearing 23 and the lock shaft 34 slide synchronously in the connecting hole 20. A second bearing 24 is fixedly installed in the connecting hole 20, and a spring 25 is provided between the first bearing 23 and the second bearing 24. The spring 25 always has a tendency to push the first bearing 23 to move away from the second bearing 24. The spring 25 can reset the first bearing 23, thereby resetting the lock shaft 34 and the transmission gear 31.

[0036] The lock core body includes a lock housing 1, a driving rod 2 and a lock pin assembly 6. The mounting seat 22 is mounted on the lock housing 1, and the driving member 4 is mounted on the mounting seat 22. In the present application, the driving member 4 is a motor. The driving rod 2 is rotatably mounted on the lock housing 1. One end of the lock pin assembly 6 is cooperatively connected with the driving rod 2. The other end of the lock pin assembly 6 is cooperatively connected with a lock shaft 34. The lock shaft 34 is slidably mounted in the lock housing 1 and the mounting seat 22. The rotation of the lock shaft 34 synchronously drives the lock pin assembly 6 and the driving rod 2 to rotate circumferentially. The speed reduction mechanism 3 includes a driving gear 32 meshing with the transmission gear 31. The transmission gear 31 reciprocates along the axial direction of the lock shaft 34 between the first position and the second position.

[0037] When the transmission gear 31 is in the first position, the transmission gear 31 and the drive gear 32 are meshed with each other. At this time, the drive member 4 drives the drive gear 32 to rotate, thereby driving the transmission gear 31 to rotate, and then driving the lock shaft 34, the lock pin assembly 6 and the lever 2 to rotate, thereby realizing the function of electric unlocking;

[0038] When the transmission gear 31 is located at the second position, the transmission gear 31 is disengaged from the driving gear 32. At this time, the lock shaft 34 is manually rotated to drive the lock pin assembly 6 and the shift lever 2 to rotate, thereby realizing the manual unlocking function.

[0039] Therefore, when the battery is dead or there is a fire, the person inside the room can manually push the transmission gear 31 from the first position to the second position to disengage the transmission gear 31 and the drive gear 32, and then manually rotate the lock shaft 34 to manually unlock the door indoors.

[0040] In addition, the locking pin assembly 6 is prior art and therefore will not be described in detail here.

[0041] An annular groove 341 is provided on the outer periphery of the lock shaft 34 , and a retaining spring 26 is provided in the annular groove 341 . The retaining spring 26 is used to limit the second bearing 24 from sliding away from the first bearing 23 , thereby preventing the second bearing 24 from moving.

[0042] The transmission gear 31 has a protrusion 311 that cooperates with the first bearing 23. When the transmission gear 31 moves from the first position to the second position, the protrusion 311 abuts against the first bearing 23, thereby pushing the first bearing 23 to slide axially, thereby compressing the spring 25 to store elastic potential energy.

[0043] The mounting seat 22 defines a shaft hole 220 for the locking shaft 34 to pass through, and the locking shaft 34 passes through the shaft hole 220 .

[0044] It also includes an operating tool 5 for cooperating with the lock shaft 34. There is a gap between the inner wall of the shaft hole 220 and the lock shaft 34 for inserting the operating tool 5. The operating tool 5 can be inserted into the gap and drive the transmission gear 31 to move axially along the lock shaft 34. The operating tool 5 includes a sleeve 51 and a knob 52. One end of the sleeve 51 is sleeved on the outer periphery of the lock shaft 34, and the knob 52 is integrally formed at the other end of the sleeve 51.

[0045] The cross-sections of the connection between the lock shaft 34 and the transmission gear 31 and the connection between the lock pin assembly 6 are both "D"-shaped, and the transmission gear 31 and the lock pin assembly 6 are cooperatively connected with the lock shaft 34, thereby preventing relative rotation between the transmission gear 31, the lock pin assembly 6 and the lock shaft 34.

[0046] The cross section of the connection between the sleeve 51 and the locking shaft 34 is also “D”-shaped, thereby preventing relative rotation between the operating tool 5 and the locking shaft 34 .

[0047] In use: When electric unlocking is required, the transmission gear 31 and the drive gear 32 are in meshing state, and then the driving member 4 is started, which in turn drives the drive gear 32 to rotate, and then drives the transmission gear 31 to rotate, and then drives the lock shaft 34 to rotate, and then drives the lock pin assembly 6 to rotate, and then drives the lever 2 to rotate, thereby realizing the function of electric unlocking;

[0048] When manual unlocking is required, the operating tool 5 is manually pushed axially to move the transmission gear 31 from the first position to the second position, thereby disengaging the transmission gear 31 from the drive gear 32. At this time, the operating tool 5 is manually rotated to drive the lock shaft 34, the transmission gear 31, the lock pin assembly 6 and the lever 2 to rotate, thereby realizing the manual unlocking function.

[0049] It can be further optimized that the reduction mechanism 3 is also provided with a driven gear 33 located between the transmission gear 31 and the driving gear 32. The driven gear 33 plays a transition role to prevent the transmission gear 31 and the driving gear 32 from interfering with the mounting seat 22 and the driving member 4 during installation.

[0050] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0051] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clutch lock core structure, comprising a mounting seat (22), a lock core assembly and a drive member (4), wherein the lock core assembly and the drive member (4) are respectively connected to the mounting seat (22), the lock core assembly comprises a lock core body and a lock shaft (34) for driving the lock core body, and a speed reduction mechanism (3) is provided at the output end of the drive member (4), characterized in that: The lock shaft (34) is provided with a transmission gear (31) which is transmission-connected to the output end of the speed reduction mechanism (3). The transmission gear (31) and the lock shaft (34) rotate synchronously in the circumferential direction, and the transmission gear (31) can slide relative to the lock shaft (34) in the axial direction between a first position and a second position. When the transmission gear (31) is located at the first position of the lock shaft (34), the transmission gear (31) is engaged with the output end of the speed reduction mechanism (3); When the transmission gear (31) is located at the second position of the lock shaft (34), the transmission gear (31) is disengaged from the output end of the speed reduction mechanism (3).

2. The clutch lock core structure according to claim 1, characterized in that: The lock core assembly further comprises a connecting seat (21), the lock core body being connected to the mounting seat (22) via the connecting seat (21), a connecting hole (20) being provided in the connecting seat (21), a first bearing (23) being mounted in the connecting hole (20) for sliding in the axial direction, and the lock shaft (34) being mounted in the first bearing (23).

3. The clutch lock core structure according to claim 2, characterized in that: A second bearing (24) is fixedly installed in the connecting hole (20), and a spring (25) is provided between the first bearing (23) and the second bearing (24), wherein the spring (25) always has a tendency to push the first bearing (23) to move away from the second bearing (24).

4. The clutch lock core structure according to claim 3, characterized in that: The transmission gear (31) has a protrusion (311) that cooperates with the first bearing (23).

5. The clutch lock core structure according to claim 1, characterized in that: The mounting seat (22) is provided with an axial hole (220) for the locking shaft (34) to pass through, and the locking shaft (34) passes through the axial hole (220).

6. The clutch lock core structure according to claim 5, characterized in that: It also includes an operating tool (5) for cooperating with the lock shaft (34), and a gap is provided between the inner wall of the shaft hole (220) and the lock shaft (34) for inserting the operating tool (5). The operating tool (5) can be inserted into the gap and drive the transmission gear (31) to move axially along the lock shaft (34).

7. The clutch lock core structure according to claim 6, characterized in that: The operating tool (5) comprises a sleeve (51) and a knob (52), one end of the sleeve (51) is sleeved on the outer periphery of the lock shaft (34), and the knob (52) is integrally formed with the other end of the sleeve (51).

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