CN212130203U

CN212130203U - Magnetic attraction clutch device of electronic door lock and electronic door lock

Info

Publication number: CN212130203U
Application number: CN202020463912.3U
Authority: CN
Inventors: 金光杰; 谢纲
Original assignee: Shanghai Kunlong Venture Capital Center LP
Current assignee: Shanghai Kunlong Venture Capital Center LP
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-11
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses an electron lock's magnetism is inhaled clutch and electron lock, include: the motor is provided with a motor shaft; the rotating body is arranged on a motor shaft, and a group of magnetic structures are arranged on the rotating body; the sliding body is arranged on one side of the rotating body with the magnetic structure; the other group of magnetic structures is arranged on one side of the sliding body, which is opposite to the rotating body, and the other side of the sliding body is meshed with the clutch mechanism; the sliding limiting device is matched with the sliding body, and the sliding body slides along the sliding limiting device to realize accurate meshing with the clutch mechanism. The technical scheme realizes clutch by utilizing the principle that two groups of magnetic structures repel each other, has low requirement on electric energy supply, can realize very small electric quantity, reduces the locking limit condition of the electronic door lock, and prolongs the service life of the electronic door lock; the magnetic structure has high replaceable performance, and the production cost is saved; the sliding track and the central shaft are limited in a double mode, meshing deviation is reduced, and accurate clutch between the sliding body and the clutch mechanism is guaranteed; simple structure and wide application range.

Description

Magnetic attraction clutch device of electronic door lock and electronic door lock

Technical Field

The utility model relates to an electronic lock especially relates to an electronic lock's magnetism is inhaled clutch and electronic lock.

Background

The intelligent lock and the electronic control lock are very popular security decoration choices, and the intelligent lock and the electronic control lock are structurally characterized in that a motor, a power supply, a control circuit, a bolt and other parts are arranged on a lock body. When the door lock receives a lock closing signal, a motor in the lock body starts to rotate, a transmission structure of the lock body is clamped through an ejected bolt, so that the square hole and the lock cylinder are kept relatively static, the bolt rotates to withdraw when a user sends an unlocking signal, and the lock cylinder can rotate together by rotating a transmission shaft through a handle, so that the purpose of opening the door is achieved. The existing electronic door lock generally integrates a knob type handle and the electronic lock into a whole for the convenience of users, but the design structure has a plurality of problems, such as:

(1) because the bolt is used as a back locking device in the electronic lock structure, the bolt and the transmission structure are easy to deform after long-term countermeasures, so that the service life of the door lock is influenced;

(2) after parts are damaged due to long-term confrontation of the bolt and the transmission structure, the replacement process is complicated, and if more parts are replaced, the economic benefit of replacement is greatly reduced, and the replacement cost is increased;

(3) when the door lock is reversely locked, the direct violent opening of the door by a lawless person easily causes damage to the bolt and the transmission structure, and the loss of the anti-theft performance of the door lock causes economic property loss.

In view of the above-mentioned drawbacks, the door handle rotary clutch device with the publication number "CN 208056847U" discloses a technical solution for improving the service life and safety of a door lock by moving a transmission structure by generating different acting forces based on the principle that the magnetic poles of magnets attract and repel each other. The technical scheme solves the problems, but has new defects, for example, a transmission shaft is used as a transmission mechanism, the transmission shaft is in clutch with a clutch structure by moving back and forth, but a larger gap is formed between the transmission shaft and the inner wall of a motor cavity, the transmission shaft does not have other guide support structures in the transmission process, and the problems of transmission shaft moving position deviation and inaccurate clutch are easily caused; in addition, if the clutch structure and the transmission shaft have deviation in clutch, the wear or damage of the engaged part can be caused, the subsequent clutch is affected, and even the service life of the electronic door lock can be affected.

Therefore, technical personnel in the field are dedicated to develop a magnetic clutch device of an electronic door lock and the electronic door lock, which can improve the clutch precision of a clutch structure and prolong the service life of the electronic door lock while solving the defects of the existing electronic door lock.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is to provide a magnetic clutch device for an electronic door lock and a problem of the electronic door lock existing in the background art.

In order to solve the above problem, the utility model provides an electronic lock's magnetism inhales clutch includes at least:

the motor is arranged in the electronic door lock and used for driving the rotary clutch device to generate a clutch state; a motor shaft is arranged on the motor;

a rotating body provided on one side of the motor having the motor shaft, the rotating body being driven to rotate by the motor shaft; a group of magnetic structures I are arranged on one side of the rotating body opposite to the motor;

the sliding body is arranged on one side of the rotating body with the magnetic structure I as a transmission structure; the other group of magnetic structures II is arranged on one side of the sliding body, which is opposite to the rotating body, and the other side of the sliding body is meshed with the clutch mechanism;

the sliding limiting device is fixed on the electronic door lock and is matched with the sliding body, and the sliding body slides along the sliding limiting device to realize accurate meshing with the clutch mechanism.

Further, a motor base is fixed on the motor, and the motor base is sleeved on the motor shaft; the motor base is provided with a rotary clamping part, and the rotary clamping part is matched with the rotating body to limit the rotating angle of the rotating body.

Furthermore, a rotating push block is arranged on one side surface of the rotating body close to the rotating clamping part, the rotating push block is matched with the rotating clamping part, and when the rotating push block rotates forwards or reversely under the driving of the motor shaft, the rotating push block rotates to the rotating clamping part to be clamped, so that the position of the magnetic structure I on the rotating body is limited.

Further, the magnetic structure I on the rotating body is provided with an N pole and an S pole, the magnetic structure II on the sliding body is provided with an N pole and an S pole, the magnetic structure I on the rotating body and the magnetic structure II on the sliding body are arranged on the same circumference, when the motor drives the rotating body to rotate, the magnetic structure I on the rotating body rotates, the positions of the N pole and the S pole on the circumference change, so that different magnetic effects are generated between the magnetic structure I on the sliding body and the magnetic structure II on the sliding body, and the clutch between the rotating body and the sliding body is realized.

Furthermore, the outer side of the sliding body is provided with a convex block, the center position of the sliding body is provided with a center hole, and one side of the sliding body, which is opposite to the clutch mechanism, is provided with a rodent.

Furthermore, the sliding limiting device at least comprises a sliding track and a central shaft, wherein the sliding track is sleeved outside the sliding body, a sliding groove is formed in the sliding track, and the sliding groove is matched with a convex block arranged on the outer side of the sliding body, so that the convex block slides in the sliding groove along the extending direction of the sliding groove; the sliding rail is fixed with the electronic door lock; one end of the central shaft is fixed on one side of the rotating body with the magnetic structure I, and the other end of the central shaft penetrates through the central hole in the sliding body, so that the sliding body slides along the extending direction of the central shaft.

Furthermore, the sliding groove is parallel to the extending direction of the central shaft, and the double limiting arrangement of the sliding groove and the central shaft effectively avoids the meshing deviation between the sliding body and the clutch mechanism caused by the gap between the sliding body and the sliding groove.

Furthermore, one end of the clutch mechanism is provided with a rodent matched with the sliding body, and the other end of the clutch mechanism is connected with a handle rotating shaft of the electronic door lock.

Based on above-mentioned rotary clutch, the utility model also provides an electronic lock, this electronic lock include lock body, handle at least, wherein the handle set up in the lock body is outside, the lock body structure is the same with traditional electronic lock's lock body structure, wherein, cavity structures has in the handle, sets up foretell in this cavity structures the rotary clutch of electronic lock.

Through implementing the aforesaid the utility model provides a pair of clutch and electronic lock are inhaled to electronic lock's magnetism has following technological effect:

(1) the clutch device of the technical scheme is characterized in that two groups of magnetic structures are arranged between a sliding body and a rotating body, and the clutch is realized by utilizing the principle that the two groups of magnetic structures repel each other;

(2) in the technical scheme, through double limiting of the sliding track and the central shaft, the meshing deviation between the sliding body and the clutch mechanism caused by the problem of a gap between the sliding body and the sliding chute is effectively avoided, and the accurate clutch between the sliding body and the clutch mechanism is further ensured;

(3) in the technical scheme, the clutch is realized by utilizing the characteristic that like poles attract each other and opposite poles repel each other of the magnetic structure, so that the requirement on electric energy supply is low, very small electric quantity can be realized, the limitation condition of locking of the electronic door lock is reduced, and the service life of the electronic door lock is prolonged;

(4) the technical scheme adopts the magnetic structure to realize the clutch, the magnetic structure has high replacement performance, when the clutch is damaged, only the magnetic structure needs to be replaced, the integral disassembly or the replacement of a large part is not needed, and the production cost is saved;

(5) the technical scheme has the advantages of simple structure, convenience in assembly and wide application range.

Drawings

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Fig. 1 is a split view of an electronic door lock rotation clutch device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the rotator, the slider and the motor base in FIG. 1;

FIG. 3 is a schematic view of the structure of the rotary body, the sliding track and the motor in FIG. 1;

fig. 4 is a schematic structural view of a rotary push block of the rotary body in fig. 1.

In the figure:

1, a lock body;

20. a handle spindle; 21. stamping parts; 22. a torsion spring; 23. punching a limit structure;

30. a fingerprint identification module; 31. a motor; 310. a motor shaft; 311. a motor bracket; 312. a motor base; 313. a rotation locking part; 32. a rotating body; 320. a magnetic structure I; 321. rotating the push block; 33. a sliding track; 330. a chute; 34. a central shaft; 35. a sliding body; 350. a magnetic structure II; 351. a bump; 352. a central bore; 353. a rodent; 36. a clutch mechanism; 360. and (3) a rodent.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 work belong to the protection scope of the present invention.

The following examples are used to describe the technical solution of the present invention in detail.

The electronic door lock described in this embodiment at least includes two parts, namely, a lock body 1 and a handle, where the lock body 1 has the same structure as the lock body 1 of the conventional electronic door lock, and is not described herein in detail, and the handle having a structure different from that of the conventional door lock is shown in fig. 1, and at least includes a handle housing (not shown in the drawings) and a clutch device disposed inside the handle housing. The handle structure is the same as that of a traditional electronic door lock, a cavity structure is arranged inside a handle shell, and the clutch device is arranged in the cavity structure.

The end of the handle housing has a fingerprint identification module 30, as shown in fig. 1, the fingerprint identification module 30 has an identification chip inside to identify whether the input fingerprint matches the stored fingerprint, the fingerprint identification module 30 is connected to the motor 31, if the identified fingerprint matches the stored fingerprint, the motor 31 obtains a driving command, and if not, the motor 31 is stationary.

A motor support 311 is arranged in the cavity of the handle shell, and the motor 31 is fixed on the motor support 311, so that the stability of the motor 31 in the cavity of the mobile phone shell is guaranteed.

As shown in fig. 1-2, the motor 31 has a motor shaft 310, the direction of the motor shaft 310 is opposite to that of the motor bracket 311, a motor base 312 is fixed on the motor 31, the relative position of the motor 31 and the motor base 312 is fixed, and the motor base 312 is sleeved on the motor shaft 310; the motor base 312 is provided with a rotary clamping part 313, the rotary clamping part 313 can be a strip-shaped convex structure or a conical convex structure, and the like, and the rotary clamping part 313 protrudes out of the bottom plane of the motor base 312 to block and limit the upper rotary part; the number of the rotation locking parts 313 is set according to actual requirements, and at least one locking part 313 is provided, two rotation locking parts 313 are provided as shown in the figure, and the two rotation locking parts 313 are oppositely arranged by taking the center of the motor base 312 as a midpoint.

As shown in fig. 1-4, a rotating body 32 is fixed on the motor shaft 310, and when the motor 31 drives the motor shaft 310 to rotate, the rotating body 32 rotates; a rotary push block 321 is arranged on the side of the rotary body 32 opposite to the motor base 312, the rotary push block 321 is matched with the rotary clamping part 313, and when the rotary push block 321 is driven by the motor shaft 310 to rotate forward or backward, the rotary clamping part 313 is rotated to be clamped; as shown in the drawing, the rotation push blocks 321 are provided one by one, and the rotation angle thereof is 180 ° due to the restriction of the rotation locking part 313.

The rotating body 32 is provided with a set of magnetic structures I320 on the side opposite to the motor 31, the magnetic structures I320 comprise N poles and S poles, and when the rotating body 32 rotates, the N poles and the S poles rotate and are replaced on the same circumferential surface.

The center of the side of the rotating body 32 where the magnetic structure I320 is disposed is further fixed with a central shaft 34, the central shaft 34 is a cylindrical structure, one end of the central shaft 34 is disposed through the center of the sliding body 35, the center of the sliding body 35 is correspondingly provided with a central hole 352, the central hole 352 is matched with the central shaft 34, and the sliding body 35 is supported by the central shaft 34 and moves along the direction of the central shaft 34.

The sliding body 35 is a columnar structure, and a protrusion 351 is disposed outside the sliding body, as shown in fig. 1-4, the protrusion 351 is in a strip shape, is located at two sides of the columnar structure, has the same length as the columnar structure of the sliding body 35, protrudes out of the outer circumferential surface of the columnar structure, is parallel to the central axis 34, and is symmetrically disposed with the central axis 34 as the center; one side of the sliding body 35 close to the rotating body 32 is provided with a group of magnetic structures II350, and the magnetic structures II350 are provided with N poles and S poles; the magnetic structure I320 on the rotating body 32 and the magnetic structure II350 on the sliding body 35 are arranged on the same circumference, and when the motor 31 drives the rotating body 32 to rotate, the magnetic structure I320 on the rotating body 32 rotates, and the positions of the N pole and the S pole on the circumference change, so that different magnetic effects are generated between the magnetic structure I320 on the rotating body 32 and the magnetic structure II350 on the sliding body 35, and the clutch between the rotating body 32 and the sliding body 35 is realized.

It should be noted that the magnetic structures (320, 350) of the sliding body 35 and the rotating body 32 generally use magnets, and other structures based on the principle that like poles attract and opposite poles repel each other can also be used in the present invention.

The other end of the slide body 35 has a tooth web 353, and the tooth web 353 is arranged to match with the tooth web 360 of the clutch mechanism 36.

A sliding track 33 is sleeved outside the sliding body 35, a sliding groove 330 is arranged on the sliding track 33, the sliding track 33 is fixed with the handle shell, the sliding groove 330 is matched with a convex block 351 arranged outside the sliding body 35, and the convex block 351 slides in the sliding groove 330 along the extending direction of the sliding groove 330; the sliding grooves 330 are parallel to the extending direction of the central shaft 34, and the double-limit arrangement of the sliding grooves 330 and the central shaft 34 effectively avoids the meshing deviation between the sliding body 35 and the clutch mechanism 36 caused by the problem that a gap exists between the sliding body 35 and the sliding grooves 330.

One end of the clutch mechanism 36 is provided with a rodent 360 matched with the sliding body 35, and the other end is connected with the handle rotating shaft 20 of the electronic door lock.

As shown in fig. 1, a torsion spring 22 and a stamping part 21 are arranged on the handle rotating shaft 20, one end of the handle rotating shaft 20 is fixed with the clutch mechanism 36, and the other end is fixed with the lock body 1, when the handle is rotated, the lock body 1 rotates, the lock body 1 drives the stamping part 21 to rotate, the stamping part 21 rotates to extrude the torsion spring 22, and when the handle is released, the torsion spring 22 returns to drive the stamping part 21 and the lock body 1 to return to the initial positions; in addition, a stamping limiting structure 23 is arranged between the torsion spring 22 and the stamping part 21, an angle limitation is formed on the rotating handle, and when the rotating handle reaches a certain angle, the rotating handle cannot rotate continuously.

Based on the structure, the working state of the rotary clutch device is as follows: when the fingerprint identification module 30 receives a correct signal, the circuit board gives an instruction of the motor 31 to rotate for a certain time, the rotating body 32 is fixed with the motor shaft 310, and the motor shaft 310 drives the rotating body 32 to rotate; magnetic structures (320, 350) on the rotating body 32 and the sliding body 35, such as magnets, are mutually repelled when the magnets are at parallel angles with the same magnetic poles, and mutually attracted when the magnets are at anti-parallel angles with opposite magnetic poles; therefore, when the rotating body 32 is driven by the motor 31 to rotate and is mutually repelled with the sliding body 35, the rotating body 32 is fixed, the sliding body 35 slides to one side far away from the rotating body 32 along the sliding track 33 and the central shaft 34, therefore, the sliding body 35 is mutually meshed with the clutch mechanism 36, when the handle is rotated, the clutch mechanism 36 rotates along with the sliding track, and further the handle rotating shaft 20 fixedly arranged with the clutch mechanism 36 is driven to rotate, so that the door opening action is realized; when the click is reversed, the magnetic structures (320, 350) of the rotating body 32 and the sliding body 35 are attracted oppositely, the sliding body 35 slides along the sliding track 33 and the central shaft 34 towards the rotating body 32, the sliding body 35 is separated from the clutch mechanism 36, at the moment, when the handle rotates, the clutch mechanism 36 is not moved, the handle rotating shaft 20 is not moved, and the door cannot be opened.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides an electronic door lock's magnetism clutch which characterized in that includes at least:

the motor is arranged in the electronic door lock, and a motor shaft is arranged on the motor;

the sliding body is arranged on one side of the rotating body with the magnetic structure I; the other group of magnetic structures II is arranged on one side of the sliding body, which is opposite to the rotating body, and the other side of the sliding body is meshed with the clutch mechanism;

2. The magnetic clutch device of the electronic door lock as claimed in claim 1, wherein the motor is fixed with a motor base, and the motor base is sleeved on the motor shaft; the motor base is provided with a rotary clamping part, and the rotary clamping part is matched with the rotating body to limit the rotating angle of the rotating body.

3. The magnetic clutch device of claim 2, wherein a rotation pushing block is disposed on a side of the rotation body near the rotation locking portion, the rotation pushing block is disposed in cooperation with the rotation locking portion, and when the rotation pushing block rotates forward or backward under the driving of the motor shaft, the rotation pushing block rotates to the rotation locking portion to be locked, thereby limiting the position of the magnetic structure I on the rotation body.

4. The magnetic clutch device of claim 3, wherein the magnetic structure I of the rotating body has N and S poles, the magnetic structure II of the sliding body has N and S poles, and the magnetic structure I of the rotating body and the magnetic structure II of the sliding body are arranged on the same circumference.

5. The magnetically attracting clutch device for electronic door locks of claim 1, wherein the slider has a protrusion on its outer side and a central hole in its center, and the engaging member is engaged with the engaging member on the side opposite to the clutch device.

6. The magnetic clutch device of claim 5, wherein the sliding limiting means comprises at least a sliding rail, the sliding rail is sleeved outside the sliding body and fixed to the electronic door lock, and the sliding rail is provided with a sliding slot, the sliding slot is engaged with a protrusion disposed outside the sliding body, so that the protrusion slides in the sliding slot along an extending direction of the sliding slot.

7. The magnetically attracting clutch device for electronic door locks of claim 6, wherein the sliding limiting device at least includes a central shaft, one end of the central shaft is fixed to the side of the rotating body having the magnetic structure I, and the other end of the central shaft passes through the central hole inside the sliding body, so that the sliding body slides along the extending direction of the central shaft.

8. The magnetically attracting clutch device for electronic door locks of claim 7, wherein the sliding slot and the central shaft extend in parallel.

9. The magnetic clutch device of claim 5, wherein the clutch mechanism has a gear engaging member at one end for engaging with the sliding member and a shaft at the other end for engaging with a handle of the electronic door lock.

10. An electronic door lock, which at least comprises a lock body and a handle, wherein the handle is arranged outside the lock body, and the structure of the lock body is the same as that of the traditional electronic door lock, characterized in that a cavity structure is arranged in the handle, and the magnetic clutch device of the electronic door lock of any one of the claims 1-9 is arranged in the cavity structure.