CN218843987U

CN218843987U - Thread clutch lock cylinder

Info

Publication number: CN218843987U
Application number: CN202223182857.9U
Authority: CN
Inventors: 徐乐群; 向隆禹
Original assignee: Zhejiang Huili Locks Co ltd
Current assignee: Zhejiang Huili Locks Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-11
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a thread clutch lock core, which comprises a shell, a front main shaft, a rear main shaft and a cam, wherein the cam is linked with the rear main shaft; still include clutch assembly, clutch assembly includes driving motor, the screw rod, screwed pipe and transfer line, the guide hole has been seted up along the axial on the preceding main shaft, the screwed pipe sets up in the guide hole of preceding main shaft along endwise slip, be equipped with the motor mount pad in the preceding handle, driving motor installs on the motor mount pad, driving motor's motor shaft and screw rod linkage are connected, screw rod and screwed pipe screw-thread fit, the transfer line with back main shaft linkage be connected, a plurality of linkage grooves have been seted up on the transfer line, a plurality of linkage archs have been seted up on the screwed pipe. The utility model provides a yielding fracture of spring hidden danger that breaks down and can not unblank, simultaneously the utility model has the advantages of the separation and reunion action is steady, stable in structure and theftproof performance is good.

Description

Thread clutch lock cylinder

Technical Field

The utility model relates to a tool to lock technical field especially relates to a screw thread separation and reunion lock core.

Background

The door lock is a commonly used anti-theft article for people, wherein a door lock liner of a mechanical door lock is the core of the anti-theft performance of the door lock, and the existing door lock liner with a mechanical structure is commonly used by people, so that the anti-theft performance is weak, and a key is easy to lose. And the intelligent door lock is expensive and is difficult to bear by common consumers. The electronic driving clutch module of the intelligent door lock core on the market at present adopts the mode that a motor rotates to drive a spring to propel and clutch, and if the spring breaks or fatigue deformation fails, a plurality of intelligent systems are arranged, and the door lock cannot be opened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw thread separation and reunion lock core, the utility model discloses used internal thread and external screw thread drive clutch system, solved the yielding fracture hidden danger that breaks down and can not unblank of spring, simultaneously the utility model has the advantages of the separation and reunion action is steady, stable in structure and theftproof performance is good.

In order to achieve the above object, the utility model provides a following technical scheme: a thread clutch lock cylinder comprises a shell, a front main shaft, a rear main shaft and a cam, wherein the front main shaft and the rear main shaft are rotatably arranged on the shell and are coaxial with each other; the clutch assembly comprises a driving motor, a screw rod, a screw tube and a transmission rod, a guide hole is formed in the front main shaft in the axial direction, the screw tube is arranged in the guide hole of the front main shaft in the axial sliding mode, a motor mounting seat is arranged in the front handle, the driving motor is installed on the motor mounting seat, a motor shaft of the driving motor is connected with the screw rod in a linkage mode and used for driving the screw rod to rotate, the screw rod is in threaded fit with the screw tube, the transmission rod is in linkage connection with the rear main shaft, a plurality of linkage grooves are formed in the circumferential direction of one end, close to the screw tube, of the transmission rod, and a plurality of linkage protrusions matched with the linkage grooves are formed in the circumferential direction of one end, close to the transmission rod, of the screw tube.

By adopting the technical scheme, the screw rod is driven to rotate by the driving motor, and the screw tube moves axially when the screw rod rotates due to the threaded fit of the screw rod and the screw tube, so that when the screw rod is matched with the transmission rod, the transmission rod and the inner main shaft can be driven to rotate by rotating the outer handle, and then the cam is driven to rotate, so that unlocking is realized. This structure has used internal thread and external screw thread drive clutch system, solves the yielding fracture hidden danger that breaks down and can not unblank of spring, simultaneously the utility model has the advantages of the separation and reunion action is steady, stable in structure and theftproof performance is good.

The utility model discloses further set up to, be provided with a plurality of guide ways that extend along the axial on the inner wall of guide hole, be provided with on the outer wall of screwed pipe a plurality ofly with guide way matched with direction is protruding.

Through adopting above-mentioned technical scheme, can carry out circumference spacing to the solenoid for when the screw rod rotated, the solenoid can slide along the direction of extending of guide way.

The utility model discloses further set up to, the periphery of preceding main shaft is equipped with a plurality of linkage convex parts, be equipped with the linkage concave part that agrees with mutually with a plurality of linkage archs on the motor mount pad.

Through adopting above-mentioned technical scheme, can realize the circumference linkage between preceding main shaft and the motor mount pad to can drive preceding main shaft and solenoid synchronous rotation when rotating the handle.

The utility model discloses further set up to, the spring chamber has been seted up to the one end that the back main shaft is close to preceding main shaft, the spring intracavity is provided with reset spring, the transfer line keep away from the solenoid one end with reset spring offsets, be provided with a plurality of guiding holes that extend along the axial on the inner wall in spring chamber, be provided with on the outer wall of transfer line a plurality of with guiding hole complex direction convex part.

Through adopting above-mentioned technical scheme, make the transfer line can the axial slide, provide the displacement allowance for the solenoid, avoid driving motor to drive the stroke that the solenoid moved promptly and be greater than the distance between solenoid and the transfer line and lead to driving motor card to die to burn out, simultaneously, when the solenoid promoted the transfer line and moves towards keeping away from preceding handle direction, reset spring compression energy storage, when driving motor drive solenoid withdraws, reset spring release energy pushed back initial position with the transfer line.

The utility model discloses further set up to, still include the spacer pin, it is provided with the stroke hole to run through on the transfer line, the direction of extending of stroke hole is unanimous with the activity direction of transfer line, the back main shaft corresponds a through-hole that is used for the spacer pin of pegging graft is seted up respectively to the position of stroke hole both sides, and run through at the middle part of spacer pin the stroke hole.

Through adopting above-mentioned technical scheme, can carry out the stroke spacing to the drive rod, make it offset with reset spring all the time, the structure is compacter stable, and the transmission is more steady.

The utility model discloses further set up as, be equipped with on the cam a plurality of with guiding hole matched with lug.

By adopting the technical scheme, the circumferential linkage between the cam and the rear main shaft can be realized, the connecting structure is simple and reliable, and the assembling operation is convenient.

The utility model discloses further set up to, be equipped with the movable groove that is used for placing the cam on the casing, the joint is used for supporting the first spacing jump ring on the movable groove inner wall on the preceding main shaft, still be equipped with the preceding spacing flange of supporting in the front of handle inboard on the preceding main shaft, the joint has the spacing jump ring of second that is used for supporting at the movable groove inner wall on the back main shaft, still be equipped with the back spacing flange of supporting at the casing lateral part on the back main shaft.

By adopting the technical scheme, the connection structure of each part is simple and reliable, and the disassembly and the assembly are very convenient.

The utility model discloses further set up to, still install the bearing between casing and the preceding handle.

Through adopting above-mentioned technical scheme, the friction that receives when can reducing the front handle rotates can not only make the operation of unblanking lighter, can promote the life of this lock core moreover.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is an exploded view of the whole of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view B-B of FIG. 3;

fig. 6 is a schematic view of a matching structure of the front spindle and the motor mounting base.

In the figure: 1. a housing; 2. a front main shaft; 3. a rear main shaft; 4. a cam; 5. a front handle; 6. a rear handle; 7. a clutch assembly; 8. a drive motor; 9. a screw; 10. a solenoid; 11. a transmission rod; 12. a guide hole; 13. a motor mounting seat; 14. a linkage groove; 15. a linkage protrusion; 16. a guide groove; 17. a guide projection; 18. a linkage convex part; 19. a linkage concave portion; 20. a spring cavity; 21. a return spring; 22. a guide hole; 23. a guide projection; 24. a spacing pin; 25. a travel hole; 26. a through hole; 27. a bump; 28. a movable groove; 29. a first limit clamp spring; 30. a front limiting flange; 31. a second limit clamp spring; 32. a rear restraint flange; 33. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example (b): the screw thread clutch lock cylinder shown in the attached figures 1 to 6 comprises a shell 1, a front main shaft 2 and a rear main shaft 3 which are rotatably arranged on the shell 1 and are coaxial with each other, and a cam 4 arranged between the front main shaft 2 and the rear main shaft 3, wherein the cam 4 is in linkage connection with the rear main shaft 3, one end of the front main shaft 2, which is far away from the cam 4, is in linkage connection with a front handle 5, and one end of the rear main shaft 3, which is far away from the cam 4, is in linkage connection with a rear handle 6; still include clutch module 7, clutch module 7 includes driving motor 8, screw rod 9, screwed pipe 10 and transfer line 11, guide hole 12 has been seted up along the axial on the preceding main shaft 2, screwed pipe 10 sets up in the guide hole 12 of preceding main shaft 2 along endwise slip, be equipped with motor mount pad 13 in the preceding handle 5, motor mount pad 13 accessible screw or crimping are in preceding handle 5, and preceding handle 5 includes the handle shell and installs the handle upper cover on the handle shell, driving motor 8 installs on motor mount pad 13, driving motor 8's motor shaft with screw rod 9 linkage connection is used for driving screw 9 to rotate, and screw rod 9 and driving motor 8's motor shaft key-type connection or formula structure as an organic whole, screw rod 9 with screwed pipe 10 screw-thread fit, have the external screw thread on screw rod 9 promptly, just have on screwed pipe 10 with this external screw thread looks adaptation, 11 with back main shaft 3 linkage connection, transfer line 11 is close to one end of screwed pipe 10 and has seted up a plurality of linkage grooves 14 along circumference, one end that screwed pipe 10 is close to transfer line 11 along set up a plurality of with linkage groove 14, this embodiment linkage protrusion 15 adopts four linkage archs and four linkage grooves 14. The screw rod 9 is driven to rotate by the driving motor 8, and due to the fact that the screw rod 9 is in threaded fit with the screw tube 10, the screw tube 10 moves axially when the screw rod 9 rotates, when the screw rod 9 is matched with the transmission rod 11, the transmission rod 11 and the inner spindle can be driven to rotate by rotating the outer handle, and then the cam 4 is driven to rotate, and unlocking is achieved. This structure has used internal thread and external screw thread drive clutch system, solves the yielding fracture hidden danger that breaks down and can not unblank of spring, simultaneously the utility model has the advantages of the separation and reunion action is steady, stable in structure and theftproof performance is good.

As shown in fig. 4 and 5, a plurality of axially extending guide grooves 16 are formed on the inner wall of the guide hole 12, and a plurality of guide protrusions 17 matching with the guide grooves 16 are formed on the outer wall of the screw tube 10, in this embodiment, two guide grooves 16 and two guide protrusions 17 are adopted. This design can carry out circumference spacing to solenoid 10 for when screw rod 9 rotated, solenoid 10 can slide along the direction of extending of guide way 16.

As shown in fig. 6, a plurality of interlocking projections 18 are provided on the outer periphery of the front spindle 2, and an interlocking recess 19 that fits with the plurality of interlocking projections 15 is provided on the motor mount 13. The design can realize circumferential linkage between the front main shaft 2 and the motor mounting seat 13, so that the front main shaft 2 and the solenoid 10 can be driven to synchronously rotate when the handle is rotated.

As shown in fig. 4 and fig. 5, a spring cavity 20 is formed at one end of the rear spindle 3 close to the front spindle 2, a return spring 21 is disposed in the spring cavity 20, one end of the transmission rod 11 far from the coil tube 10 abuts against the return spring 21, a plurality of guide holes 22 extending in the axial direction are formed in the inner wall of the spring cavity 20, and a plurality of guide protrusions 23 matched with the guide holes 22 are formed in the outer wall of the transmission rod 11. This design makes transfer line 11 can the axial slide, provides the displacement allowance for solenoid 10, avoids driving motor 8 to drive the stroke that solenoid 10 moved to be greater than the distance between solenoid 10 and the transfer line 11 and leads to driving motor 8 card to die to burn out promptly, and simultaneously, when solenoid 10 promoted transfer line 11 and keeps away from 5 direction displacements of front handle, reset spring 21 compression energy storage, when driving motor 8 drive solenoid 10 withdraws, reset spring 21 release energy pushed back initial position with transfer line 11.

As shown in fig. 4 and 5, the rear spindle further includes a limit pin 24, a stroke hole 25 is formed through the transmission rod 11, an extending direction of the stroke hole 25 is the same as a moving direction of the transmission rod 11, through holes 26 for inserting the limit pin 24 are respectively formed in positions of the rear spindle 3 corresponding to two sides of the stroke hole 25, two ends of the limit pin 24 are in interference fit with the corresponding through holes, and the middle of the limit pin 24 penetrates through the stroke hole 25. This design can carry out the stroke spacing to transmission rod 11, makes it offset with reset spring 21 all the time, and the structure is compacter stable, and the transmission is more steady.

As shown in fig. 4 and 5, the cam 4 is provided with a plurality of protrusions 27 which are matched with the guide holes 22. The design can realize circumferential linkage between the cam 4 and the rear main shaft 3, and the connecting structure is simple and reliable and is convenient for assembly operation.

As shown in fig. 5, be equipped with the movable groove 28 that is used for placing cam 4 on casing 1, preceding main shaft 2 goes up the joint and is used for supporting first spacing jump ring 29 on movable groove 28 inner wall, has the first joint groove that supplies first spacing jump ring 29 card to go into on preceding main shaft 2 promptly, still be equipped with on preceding main shaft 2 and support preceding spacing flange 30 of handle 5 inboard in the front, the joint has the spacing jump ring 31 of second that is used for supporting at movable groove 28 inner wall on the back main shaft 3, has the second joint groove that supplies spacing jump ring 31 card of second to go into on the back main shaft 3 promptly, still be equipped with on the back main shaft 3 and support rear spacing flange 32 at casing 1 lateral part. The connection structure of each part is simple and reliable, and the assembly and disassembly are very convenient.

As shown in fig. 5, a bearing 33 is further installed between the housing 1 and the front handle 5. This design can reduce the friction that front handle 5 received when rotating, can not only make the operation of unblanking lighter, can promote the life of this lock core moreover.

Claims

1. A thread clutch lock cylinder comprises a shell (1), a front main shaft (2) and a rear main shaft (3) which are rotatably arranged on the shell (1) and coaxial with each other, and a cam (4) arranged between the front main shaft (2) and the rear main shaft (3), wherein the cam (4) is in linkage connection with the rear main shaft (3), one end, far away from the cam (4), of the front main shaft (2) is in linkage connection with a front handle (5), and one end, far away from the cam (4), of the rear main shaft (3) is in linkage connection with a rear handle (6); the method is characterized in that: still include clutch module (7), clutch module (7) include driving motor (8), screw rod (9), screwed pipe (10) and transfer line (11), guide hole (12) have been seted up along the axial on preceding main shaft (2), screwed pipe (10) are followed the axial slip and are set up in guide hole (12) of preceding main shaft (2), be equipped with motor mount pad (13) in preceding handle (5), driving motor (8) are installed on motor mount pad (13), the motor shaft of driving motor (8) with screw rod (9) linkage connection is used for driving screw rod (9) to rotate, screw rod (9) with screwed pipe (10) screw-thread fit, the link connection with back main shaft (3) of transfer line (11), a plurality of linkage grooves (14) have been seted up along circumference in the one end that transfer line (11) are close to screwed pipe (10), one end that screwed pipe (10) are close to transfer line (11) seted up a plurality of with linkage groove (14) matched with linkage arch (15) along circumference.

2. The threaded clutch lock cylinder according to claim 1, characterized in that: the inner wall of the guide hole (12) is provided with a plurality of guide grooves (16) extending along the axial direction, and the outer wall of the solenoid (10) is provided with a plurality of guide bulges (17) matched with the guide grooves (16).

3. The threaded clutch lock cylinder according to claim 1, characterized in that: the periphery of the front main shaft (2) is provided with a plurality of linkage convex parts (18), and the motor mounting seat (13) is provided with linkage concave parts (19) matched with the linkage convex parts (15).

4. The threaded clutch lock cylinder according to claim 1, characterized in that: the spring cavity (20) is formed in one end, close to the front spindle (2), of the rear spindle (3), a return spring (21) is arranged in the spring cavity (20), one end, far away from the spiral tube (10), of the transmission rod (11) abuts against the return spring (21), a plurality of guide holes (22) extending along the axial direction are formed in the inner wall of the spring cavity (20), and a plurality of guide protruding portions (23) matched with the guide holes (22) are formed in the outer wall of the transmission rod (11).

5. The threaded clutch lock cylinder according to claim 4, characterized in that: the rear spindle is characterized by further comprising a limiting pin (24), a stroke hole (25) penetrates through the transmission rod (11), the extending direction of the stroke hole (25) is consistent with the moving direction of the transmission rod (11), through holes (26) used for being inserted with the limiting pin (24) are respectively formed in the positions, corresponding to the two sides of the stroke hole (25), of the rear spindle (3), and the middle of the limiting pin (24) penetrates through the stroke hole (25).

6. The threaded clutch lock cylinder according to claim 4, characterized in that: the cam (4) is provided with a plurality of convex blocks (27) matched with the guide holes (22).

7. The threaded clutch lock cylinder according to claim 1, characterized in that: be equipped with movable groove (28) that are used for placing cam (4) on casing (1), preceding main shaft (2) are gone up the joint and are used for supporting first spacing jump ring (29) on movable groove (28) inner wall, still be equipped with on preceding main shaft (2) and support preceding spacing flange (30) of handle (5) inboard in the front, the joint has second spacing jump ring (31) that are used for supporting at movable groove (28) inner wall on back main shaft (3), still be equipped with on back main shaft (3) and support back spacing flange (32) at casing (1) lateral part.

8. The threaded clutch lock cylinder of claim 7, wherein: and a bearing (33) is also arranged between the shell (1) and the front handle (5).