CN217950024U - Door lock rear panel with clutch mechanism and electronic door lock - Google Patents

Abstract

The application discloses a door lock rear panel with a clutch mechanism and an electronic door lock, wherein the door lock rear panel comprises a rear cover and a knob, one end of the knob extends into the rear cover and is in rotatable limit connection with the rear cover, and one end of the knob extending into the rear cover is used for being connected with a lock body; the rear cover is provided with a driving mechanism and a clutch mechanism, the output end of the driving mechanism is connected with the clutch mechanism, the driving mechanism is used for driving the clutch mechanism to rotate, the clutch mechanism is connected with one end, extending into the rear cover, of the knob, and the clutch mechanism can drive the knob to rotate. Actuating mechanism and clutching mechanism set up respectively and cover behind in this application, can simplify the structure of lock body by a wide margin to reduce the destruction to the door when installing electronic lock, reduced the installation degree of difficulty of electronic room lock, can reduce the fault rate and the maintenance degree of difficulty.

Description

Door lock rear panel with clutch mechanism and electronic door lock

Technical Field

The application belongs to the electronic door lock field, more specifically relates to a lock rear panel and electronic door lock with clutching mechanism.

Background

The electronic door lock is a product combining an electronic technology, an integrated circuit design, a large number of electronic components and various innovative identification technologies. Electronic door locks can be roughly divided into fingerprint locks, electronic coded locks, induction intelligent locks and the like according to unlocking modes.

When the electronic room door lock is installed, a hole needs to be formed in the room door, the lock body needs to be installed inside the room door, and the front panel and the rear panel are installed on two sides of the room door respectively. The electronic door lock is required to realize the functions of unlocking and locking, a clutch mechanism is inevitably arranged in the electronic door lock, and the electronic door lock usually adopts a motor to drive the clutch mechanism to work, so that the functions of unlocking and locking are realized.

At present, a motor structure and a clutch mechanism of a common electronic room door lock are arranged in a lock body, so that the volume of the lock body is larger, the damage to a room door is inevitably increased when the room door lock is correspondingly installed, and the installation difficulty of the electronic room door lock is increased; therefore, the structure of the lock body is complex, so that the failure rate of the lock body is high, and the maintenance is difficult.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the present application provides, on one hand, a door lock rear panel with a clutch mechanism, including a rear cover and a knob, where one end of the knob extends into the rear cover and is rotatably connected with the rear cover in a limited manner, and one end of the knob extending into the rear cover is used for connecting a lock body; the rear cover is provided with a driving mechanism and a clutch mechanism, the output end of the driving mechanism is connected with the clutch mechanism, the driving mechanism is used for driving the clutch mechanism to do rotary motion, the clutch mechanism is connected with one end of the rear cover, into which the knob extends, and the clutch mechanism can drive the knob to do rotary motion.

As a further improvement of the present application, the clutch mechanism includes a first gear and a rotary clutch member, the first gear is sleeved on the knob, the first gear is connected with the driving mechanism, a mounting groove is arranged in the first gear, and a convex block is arranged on the inner side wall of the mounting groove; the rotary clutch piece is sleeved on the knob, the knob can move along with the rotary clutch piece, a circular ring boss is arranged on the rotary clutch piece, a linkage block is arranged on the circular ring boss, the outer side wall of the linkage block protrudes out of the outer side wall of the circular ring boss, the mounting groove is sleeved on the outer side of the circular ring boss, and the lug can abut against the linkage block to further drive the rotary clutch piece to move rotationally.

As a further improvement of this application, be equipped with on the ring boss with the installation breach of linkage piece adaptation, the linkage piece is placed on the installation breach, the inboard symmetry of ring boss is equipped with two butt pieces, two the both ends of butt piece are passed through the elastic component and are connected, the middle part of butt piece with the lateral wall butt of linkage piece.

As the further improvement of this application, the quantity of lug and installation breach has two respectively, and two lugs are followed mounting groove inner wall is interval 180 and distributes, and two installation breachs are in be interval 180 on the ring boss and distribute, two be equipped with one on the installation breach respectively the linkage piece.

As a further improvement of this application, the lateral wall of knob is equipped with the joint piece, be equipped with the connecting hole on the rotatory clutch spare, the lateral wall of connecting hole be equipped with the draw-in groove of joint piece adaptation, the connecting hole cover is established the knob outside, the joint piece with the draw-in groove joint is fixed.

As the further improvement of this application, actuating mechanism includes driving motor, first reduction gear and second reduction gear, driving motor with the lid is connected at the back, be equipped with the screw rod on driving motor's the output, the screw rod with first reduction gear meshes, second reduction gear respectively with first reduction gear and first gear meshing are connected.

As the further improvement of this application, be equipped with the motor fixed plate behind on covering, driving motor, first reduction gear and second reduction gear respectively with the motor fixed plate is connected.

As a further improvement of the application, a circuit board and a battery box are arranged on the rear cover, the battery box and the driving motor are respectively connected with the circuit board, a battery cover is arranged on the battery box, and the battery cover is detachably connected with the rear cover.

As a further improvement of the application, the rotary clutch piece deviates from the magnetic piece is arranged on the side face of the circular ring boss, three Hall switches are arranged at corresponding positions of the rotary clutch piece on the circuit board, the Hall switches are distributed at intervals of 90 degrees, and the magnetic piece can be respectively connected with the Hall switches.

On the other hand, this application still provides an electron room lock including above-mentioned lock rear panel that has clutching mechanism, still includes lock body and preceding lid, the lock body can respectively with preceding lid is connected with the back lid, just the knob can drive the lock body is unblanked or is closed the lock.

Compared with the prior art, the beneficial effect of this application is:

in the application, the driving mechanism and the clutch mechanism are respectively arranged on the rear cover, so that the structure of the lock body can be greatly simplified, and the lock body can be produced in a light weight and small size, thereby reducing the damage to a door when the electronic door lock is installed and reducing the installation difficulty of the electronic door lock; on the other hand, simplify the structure of lock body, can reduce the fault rate of lock body, reduce the maintenance degree of difficulty.

Specifically, through setting up actuating mechanism and clutching mechanism respectively and covering behind, after installing the electron room lock, through control actuating mechanism work, actuating mechanism can drive clutching mechanism rotary motion, can drive knob rotary motion among the clutching mechanism rotation process, and the knob drives the work of lock body, realizes the function of unblanking.

Drawings

In order to more clearly illustrate the present application or prior art solutions, a brief description of the drawings needed for the embodiments or prior art descriptions is provided below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of an embodiment of the present application;

FIG. 3 is a schematic view of a first gear structure in an embodiment of the present application;

FIG. 4 is a schematic representation of the overall construction of the rotating clutch member in an embodiment of the subject application;

fig. 5 is a schematic view of the disassembled structure of the rotating clutch in the embodiment of the application.

Detailed Description

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 application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof in the description and claims of this application and the description of the figures above, are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the foregoing drawings are used for distinguishing between different objects and not for describing a particular sequential order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1-5, a door lock rear panel with a clutch mechanism comprises a rear cover 1 and a knob 2, wherein one end of the knob 2 extends into the rear cover 1, the knob 2 is rotatably and limitedly connected with the rear cover 1 through a snap spring, one end of the knob 2 extending into the rear cover 1 is used for connecting a lock body, and the knob 2 can drive the lock body to unlock or lock; when a user manually opens and closes the lock, the knob 2 is only required to be rotated to stretch out one end of the rear cover 1, and the knob 2 drives the lock body to rotate, so that the unlocking or locking function can be realized.

The rear cover 1 is provided with a driving mechanism and a clutch mechanism, the output end of the driving mechanism is connected with the clutch mechanism, the driving mechanism is used for driving the clutch mechanism to rotate, the clutch mechanism is connected with one end of the knob 2 extending into the rear cover 1, and the clutch mechanism can drive the knob 2 to rotate; when needing to carry out the electron and unblank, through control actuating mechanism work, actuating mechanism can drive clutching mechanism rotary motion, and the clutching mechanism rotation in-process can drive 2 rotary motion of knob, and knob 2 drives the work of lock body, realizes the function of unblanking.

Clutch means includes first gear 3 and rotatory clutch 4, and 3 covers of first gear are established on knob 2, and first gear 3 and 2 clearance fits of knob, and first gear 3 is connected with actuating mechanism, and actuating mechanism can drive first gear 3 rotatoryly, is equipped with mounting groove 31 in the first gear 3, and the inside wall of mounting groove 31 is equipped with two lugs 32, and two lugs 32 are 180 distributions in interval. The outer side wall of the knob 2 is provided with a clamping block 21, the rotary clutch piece 4 is provided with a connecting hole 41, the side wall of the connecting hole 41 is provided with a clamping groove 42 matched with the clamping block 21, and the rotary clutch piece 4 is sleeved on the knob 2; during installation, the connecting hole 41 is sleeved on the outer side of the knob 2, and the clamping block 21 is clamped and fixed with the clamping groove 42, so that the rotary clutch piece 4 is clamped and fixed with the knob 2; when the rotary clutch 4 rotates, the knob 2 can be driven to synchronously rotate. Be equipped with ring boss 43 on the rotatory clutch spare 4, be equipped with two installation gaps 44 on the ring boss 43, and two installation gaps 44 are 180 distributions in interval, are equipped with a linkage block 45 on two installation gaps 44 respectively, and the lateral wall of linkage block 45 bulges the lateral wall of ring boss 43, and the mounting groove 31 cover is established in the ring boss 43 outside, and mounting groove 31 and ring boss 43 clearance fit.

In the locking state, the lug 32 and the linkage block 45 are in a dislocation state and are not connected, so that the first gear 3 cannot rotate in the process of manually rotating the knob 2; by arranging the clutch mechanism, the function of manual unlocking can be kept; when using the electron to unblank, control actuating mechanism work, actuating mechanism drive first gear 3 is rotatory, and lug 32 can with linkage block 45 butt along with the rotatory in-process of mounting groove 31, drives rotatory clutch 4 rotary motion through linkage block 45, and then drives knob 2 rotary motion, realizes the process of unblanking.

Two abutting blocks 46 are symmetrically arranged on the inner side of the circular ring boss 43, two ends of the two abutting blocks 46 are connected through an elastic piece 47, and the middle of each abutting block 46 is abutted against the side wall of the linkage block 45. In this embodiment, the two linkage blocks 45 are directly placed on the mounting notches 44; after the clutch mechanism is assembled, the side wall of the linkage block 45 is respectively abutted against the side walls of the abutting block 46 and the installation notch 44, and the end surface of the linkage block 45 is respectively abutted against the bottom end surfaces of the installation groove 31 and the installation notch 44, so that the linkage block 45 is limited between the first gear 3 and the rotary clutch member 4.

The elastic member 47 and the abutment block 46 are provided for facilitating adjustment of the mounting orientation of the knob 2; specifically, before installing back lid 1, thereby the orientation of knob 2 is adjusted to the user rotatable knob 2, and in the in-process of rotating knob 2, linkage block 45 can butt with lug 32, and if the orientation of knob 2 still is improper this moment, can continue to rotate knob 2 by hard, makes lug 32 squeeze linkage block 45, makes linkage block 45 squeeze butt 46, and butt 46 compresses elastic component 47, until linkage block 45 jumps lug 32, can drive butt 46 and linkage block 45 under the spring action of elastic component 47 and reset rapidly afterwards, until knob 2 adjusts to suitable orientation angle.

In this embodiment, the elastic element 47 is two coil springs, and in other embodiments, the elastic element 47 may be replaced by other elastic devices or parts such as a spring plate.

Fixed mounting has motor fixed plate 5 on the rear cover 1, actuating mechanism includes driving motor 6, first reduction gear 7 and second reduction gear 8, driving motor 6 fixed mounting is on motor fixed plate 5, first reduction gear 7 and second reduction gear 8 are installed respectively at motor fixed plate 5, and with the rotatable spacing connection of motor fixed plate 5, be equipped with screw rod 9 on driving motor 6's the output, screw rod 9 and the meshing of first reduction gear 7, second reduction gear 8 is connected with the meshing of first reduction gear 7 and first gear 3 respectively. The first reduction gear 7 and the second reduction gear 8 are provided to reduce the rotation speed of the first gear 3; the during operation, driving motor 6 drives the screw rod 9 rotatory, screw rod 9 drives first reduction gear 7, second reduction gear 8 and first gear 3 synchronous rotation, first gear 3 drives mounting groove 31 and lug 32 and rotates together, lug 32 can with the 45 butt of linkage piece along with the rotatory in-process of mounting groove 31, drive 4 rotary motion of rotatory separation and reunion piece through linkage piece 45, and then drive 2 rotary motion of knob, realize the process of unblanking.

The rear cover 1 is provided with a circuit board 10 and a battery box 11, the battery box 11 and the driving motor 6 are electrically connected with the circuit board 10 respectively, the battery box 11 is provided with a battery cover 12, and the battery cover 12 is detachably connected with the rear cover 1. The battery box 11 is used for installing a battery and supplying power to the circuit board 10, and the driving motor 6 is controlled to work or stop through the circuit board 10; the detachable connection of the battery cover 12 to the rear cover 1 is to facilitate the replacement of the battery.

In order to accurately control the rotation angle of the rotary clutch member 4, a magnetic member 13 is arranged on the side surface of the rotary clutch member 4 departing from the circular ring boss 43, three hall switches 14 are arranged at the corresponding positions of the circuit board 10 and the rotary clutch member 4, and the three hall switches 14 are distributed at intervals of 90 degrees; when the driving motor 6 drives the first gear 3 to rotate, the first gear 3 drives the rotary clutch part 4 to rotate, the magnetic parts 13 can be respectively connected with the corresponding Hall switches 14, the Hall switches 14 feed back signals to the circuit board 10, and the circuit board 10 controls the driving motor 3 to stop providing driving force, so that the process of unlocking or locking is accurately controlled.

In the manual unlocking process, the user only needs to manually rotate the knob to complete the operation. The process of using the electronic switch lock is as follows:

the user inputs the instruction of unblanking and gives circuit board 10, circuit board 10 control driving motor 6 works, driving motor 6 drives screw rod 9 rotatory, screw rod 9 drives first reduction gear 7, second reduction gear 8 and first gear 3 rotate in step, first gear 3 drives mounting groove 31 and lug 32 and rotates together, lug 32 can with linkage block 45 butt along with the rotatory in-process of mounting groove 31, drive rotatory separation and reunion piece 4 rotary motion through linkage block 45, and then drive 2 rotary motion of knob, after magnetic part 13 meets with next hall switch 14, driving motor 6 stop work, accomplish the automatic process of unblanking. Then, the driving motor 6 provides a reverse driving force to drive the first gear 3 to rotate reversely, so as to drive the projection 32 to separate from the linkage block 45, until the magnetic part 13 is connected with another hall switch 14, the driving motor 6 stops working, and the whole unlocking process is completed; the reason for driving the first gear 3 to reset is to drive the linkage block 45 to separate from the projection 32, so as to ensure that the unlocking or locking process can be realized by rotating the knob 2 without electronic driving.

The electronic locking process is just opposite to the unlocking process, and the first gear 3 is also driven to reset after the locking is finished, so that the linkage block 45 is ensured to be separated from the lug 32, and the specific process is not described in detail here.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of providing a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims (10)

1. The utility model provides a lock rear panel with clutching mechanism which characterized in that: the lock comprises a rear cover and a knob, wherein one end of the knob extends into the rear cover and is rotatably connected with the rear cover in a limiting manner, and one end of the knob, which extends into the rear cover, is used for being connected with a lock body;

the rear cover is provided with a driving mechanism and a clutch mechanism, the output end of the driving mechanism is connected with the clutch mechanism, the driving mechanism is used for driving the clutch mechanism to do rotary motion, the clutch mechanism is connected with one end of the rear cover, into which the knob extends, and the clutch mechanism can drive the knob to do rotary motion.

2. The door lock rear panel with clutch mechanism according to claim 1, characterized in that: the clutch mechanism comprises a first gear and a rotary clutch piece, the first gear is sleeved on the knob and is connected with the driving mechanism, a mounting groove is formed in the first gear, and a convex block is arranged on the inner side wall of the mounting groove;

the rotary clutch piece is sleeved on the knob, the knob can move along with the rotary clutch piece, a circular ring boss is arranged on the rotary clutch piece, a linkage block is arranged on the circular ring boss, the outer side wall of the linkage block protrudes out of the outer side wall of the circular ring boss, the mounting groove is sleeved on the outer side of the circular ring boss, and the lug can abut against the linkage block to further drive the rotary clutch piece to move rotationally.

3. The door lock rear panel with clutch mechanism according to claim 2, characterized in that: the ring boss is provided with an installation notch matched with the linkage block, the linkage block is placed on the installation notch, two abutting blocks are symmetrically arranged on the inner side of the ring boss, two ends of the abutting blocks are connected through elastic pieces, and the middle of each abutting block is abutted against the side wall of the linkage block.

4. The door lock rear panel with clutch mechanism according to claim 3, characterized in that: the quantity of lug and installation breach has two respectively, and two lugs are followed the mounting groove inner wall is interval 180 and distributes, and two installation breachs are in be interval 180 and distribute on the ring boss, two be equipped with one on the installation breach respectively the linkage piece.

5. The door lock rear panel with a clutch mechanism according to any one of claims 2 to 4, wherein: the lateral wall of knob is equipped with the joint piece, be equipped with the connecting hole on the rotatory clutch spare, the lateral wall of connecting hole be equipped with the draw-in groove of joint piece adaptation, the connecting hole cover is established the knob outside, the joint piece with the draw-in groove joint is fixed.

6. The door lock rear panel with clutch mechanism according to claim 5, characterized in that: the driving mechanism comprises a driving motor, a first reduction gear and a second reduction gear, the driving motor is connected with the rear cover, a screw is arranged on the output end of the driving motor, the screw is meshed with the first reduction gear, and the second reduction gear is respectively meshed with the first reduction gear and the first gear.

7. The door lock rear panel with clutch mechanism according to claim 6, characterized in that: the rear cover is provided with a motor fixing plate, and the driving motor, the first reduction gear and the second reduction gear are respectively connected with the motor fixing plate.

8. The door lock rear panel with clutch mechanism according to claim 6, characterized in that: the rear cover is provided with a circuit board and a battery box, the battery box and the driving motor are respectively connected with the circuit board, the battery box is provided with a battery cover, and the battery cover is detachably connected with the rear cover.

9. The door lock rear panel with clutch mechanism according to claim 8, characterized in that: the side face, departing from the circular ring boss, of the rotating clutch piece is provided with a magnetic piece, three Hall switches are arranged at positions, corresponding to the rotating clutch piece, on the circuit board, the three Hall switches are distributed at intervals of 90 degrees, and the magnetic piece can be connected with the Hall switches respectively.

10. An electronic door lock comprising the door lock rear panel according to any one of claims 1 to 9, wherein the electronic door lock further comprises a lock body and a front cover, the lock body is capable of being connected to the front cover and the rear cover, respectively, and the knob is capable of driving the lock body to open or close the lock.

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