A lock opening mechanism of an electronic lock
By designing the unlocking mechanism of the electronic lock, and combining the motor assembly and the mechanical key drive clutch pin, the mechanical unlocking problem of electronic door locks when power is off or damaged is solved, realizing simple and reliable mechanical unlocking, reducing production costs and improving integration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-04
- Publication Date
- 2026-03-20
AI Technical Summary
Existing electronic door locks cannot function when there is a power outage or when electronic components are damaged. They are also complex in structure, have low integration, high manufacturing costs, and require additional mechanical structures to work with a key to unlock.
Design an unlocking mechanism for an electronic lock, comprising a middle frame, a lock cylinder assembly, a motor assembly, a lock head assembly, and a main board assembly. Electronic unlocking is achieved by the motor assembly linking the lock cylinder dial, and mechanical unlocking is achieved by the mechanical key driving the lock head linkage to push the clutch pin. The mechanism is simple in structure, highly integrated, occupies little space, and has low cost.
It enables mechanical unlocking even in the event of electronic failure, features a simple and reliable structure, high integration, reduced production costs, and simplified maintenance.
Smart Images

Figure CN117345040B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of electronic lock, in particular to a kind of unlocking mechanism of electronic lock. BACKGROUND
[0002] Door lock should be widely used in life, in daily life, general door lock is through key to twist mechanical type locking and unlocking structure.
[0003] With the progress of society and people's needs, more and more door frames are installed with intelligent and convenient electronic door lock structure, which can be remotely unlocked by intelligent devices or identification technology, and is widely used in modern home.
[0004] The electronic door lock structure at present stage generally provides power through motor, controls lock tongue to extend or retract to unlock or lock. When power failure or electronic component damage occurs, the electronic door lock structure cannot work, and needs to be unlocked by cutting off the power connection between motor and door lock and cooperating with key through additional complex mechanical structure, and the existing electronic door lock has low integration, complex assembly and high processing cost of some parts. SUMMARY
[0005] The present application is to overcome the above-mentioned shortcomings, and aims to provide a technical solution to solve the above-mentioned problems.
[0006] An unlocking mechanism of electronic lock, comprising a middle frame, a lock cylinder assembly connected to one side of the middle frame, a motor assembly provided between the middle frame and the lock cylinder assembly, a lock cylinder dial provided in the lock cylinder assembly and matched with one end of the motor assembly, a lock head assembly provided in the middle frame and transmission matched with the other end of the motor assembly, and a mainboard assembly for controlling the motor assembly.
[0007] The end of the motor assembly close to the lock cylinder dial is provided with a clutch pin matched with the lock cylinder dial, and the clutch pin is used to link the motor assembly and the lock cylinder dial; the end of the lock head assembly close to the motor assembly is provided with a lock head connecting rod, and the lock head connecting rod is used to push the clutch pin and the lock cylinder dial to cooperate; the mainboard assembly is used to control the motor in the motor assembly to push the clutch pin and the lock cylinder dial to cooperate.
[0008] Preferably, the end of the motor assembly close to the lock head assembly is provided with a clutch push rod and a return spring; one end of the clutch push rod is in contact with the lock head connecting rod and is pushed by the lock head connecting rod to drive the clutch pin at the other end of the motor assembly to move; the return spring is used to reset the above-mentioned clutch push rod.
[0009] Preferably, the middle frame is fixedly connected with the lock cylinder assembly through the bottom cover provided at the end.
[0010] Preferably, the end of the motor assembly is fixed in the bottom cover by a first snap spring; the middle of the motor assembly is fixed in the lock core assembly by a second snap spring.
[0011] Preferably, the motor assembly comprises a split assembly shell; the assembly shell is provided with a motor, a clutch push rod, a clutch pin and a return spring; the assembly shell is fixed by a sleeve ring to limit the motor, the clutch push rod, the clutch pin and the return spring.
[0012] Preferably, a lock head battery support is fixed in the middle frame by a screw; the lock head battery support is provided with a containing groove for containing a lock head assembly and a battery assembly respectively; the end of the lock head assembly is fixed with the lock head connecting rod by a screw; the end of the containing groove is further provided with a cover plate for protecting the battery in the lock head battery support.
[0013] Preferably, a main board support is further fixed in the middle frame; the main board support is fixed with the main board assembly by a screw.
[0014] Preferably, a main board support column is further provided in the middle frame; the main board support column is used to limit the main board support and the main board assembly.
[0015] Preferably, the middle frame is provided with a middle frame cover plate at an end away from the lock core assembly; the middle frame cover plate is fixedly connected with a lock core cover by a decorative ring; the lock core cover is connected with a lock core spring by a screw column.
[0016] Preferably, the main board assembly is provided with a fingerprint identification module and a card swiping module; the fingerprint identification module and the card swiping module are used to authenticate identity information.
[0017] Compared with the prior art, the present application has the following beneficial effects:
[0018] In the unlocking mechanism of the electronic lock, the main board assembly can drive the motor in the motor assembly to link the motor assembly and the lock core assembly, thereby realizing electronic automatic unlocking; when the electronic fails, the motor assembly and the lock core assembly can be linked by pushing the lock head assembly, thereby realizing mechanical unlocking; the transmission structure of the mechanical part is simpler and more reliable, has higher integration, occupies smaller space, and has lower production cost and simpler maintenance due to the simple structure; the electronic unlocking and mechanical unlocking can be better switched.
[0019] Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will become apparent to those skilled in the art upon examination of the following and / or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only need to be some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor.
[0021] Figure 1 is a schematic diagram of the explosion structure of the present application;
[0022] Figure 2 is a schematic diagram of the cross-sectional structure of the present application;
[0023] Figure 3 is a schematic diagram of the internal structure of the middle frame of the present application;
[0024] Figure 4 is a schematic diagram of the structure of the unlocking part of the present application;
[0025] Figure 5 is a schematic diagram of the partial structure of the motor assembly of the present application.
[0026] In the figure: 1, middle frame; 11, bottom cover; 12, lock head battery support; 13, cover plate; 14, main board support; 15, main board support column; 16, decorative ring; 17, middle frame cover plate; 18, lock cylinder spring; 19, lock cylinder cover;
[0027] 2, lock cylinder assembly; 21, lock cylinder dial;
[0028] 3, motor assembly; 31, clutch pin; 32, clutch push rod; 33, return spring; 34, first snap spring; 35, second snap spring; 36, assembly shell; 37, motor; 38, collar;
[0029] 4, lock head assembly; 41, lock head connecting rod;
[0030] 5, main board assembly; 6, mechanical key. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0032] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0033] In addition, in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements, it can be wireless connection, or it can be wired connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0034] In addition, the technical features involved in the different embodiments of the application described later can be combined with each other as long as there is no conflict between them.
[0035] Please refer to Figure 1 and Figure 4 In the embodiment of the present application, the unlocking mechanism of an electronic lock comprises a middle frame 1, a lock cylinder assembly 2 connected to one side of the middle frame 1, a motor assembly 3 provided between the middle frame 1 and the lock cylinder assembly 2, a lock cylinder dial 21 provided in the lock cylinder assembly 2 and matched with one end of the motor assembly 3, a lock head assembly 4 provided in the middle frame 1 and transmission matched with the other end of the motor assembly 3, and a mainboard assembly 5 for controlling the motor assembly 3.
[0036] The end of the motor assembly 3 close to the lock cylinder dial 21 is provided with a clutch pin 31 matched with the lock cylinder dial 21, and the clutch pin 31 is used to link the motor assembly 3 and the lock cylinder dial 21; the end of the lock head assembly 4 close to the motor assembly 3 is provided with a lock head connecting rod 41, and the lock head connecting rod 41 is used to push the clutch pin 31 to match with the lock cylinder dial 21; the mainboard assembly 5 is used to control the motor in the motor assembly 3 to push the clutch pin 31 to match with the lock cylinder dial 21.
[0037] Specifically, in the actual unlocking process, the user can give the mainboard assembly 5 electronic information, and the mainboard assembly 5 receives the electronic information and authenticates the identity information, and then drives the motor assembly 3 to operate to push the clutch pin 31 at the end of the motor assembly 3 to approach the lock cylinder dial 21 and make the clutch pin 31 and the lock cylinder dial 21 match and connect, so that the lock cylinder dial 21 is linked with the motor assembly 3, at this time, rotating the middle frame 1 can drive the lock cylinder dial 21 to rotate through the motor assembly 3, thereby realizing the unlocking and locking of the lock cylinder assembly 2; when the electronic lock part fails or does not need to use the electronic lock, the user can also insert the mechanical key 6 into the lock head assembly 4, and then rotate the mechanical key 6 to drive the lock head connecting rod 41 at the end of the lock head assembly 4 to move, the lock head connecting rod 41 moves towards the motor assembly 3 and pushes the clutch pin 31 to match and connect with the lock cylinder dial 21, at this time, rotating the middle frame 1, the middle frame 1 can also drive the lock cylinder dial 21 to rotate through the motor assembly 3, thereby realizing the unlocking and locking of the lock cylinder assembly 2.
[0038] Referring to Figure 2 , Figure 4 and Figure 5 In some other embodiments, the end of the motor assembly 3 close to the lock head assembly 4 is provided with a clutch push rod 32 and a reset spring 33; one end of the clutch push rod 32 is in contact with the lock head connecting rod 41 and is pushed by the lock head connecting rod 41 to drive the clutch pin 31 at the other end of the motor assembly 3 to move; the reset spring 33 is used to reset the clutch push rod 32. Specifically, after the clutch pin 31 is pushed by the clutch push rod 32 to match and connect with the lock cylinder dial 21 and complete the unlocking or locking action, the lock head connecting rod 41 moves away from the clutch push rod 32, and the clutch push rod 32 is reset under the action of the reset spring 33 for the next action.
[0039] Referring to Figure 2 In some other embodiments, the middle frame 1 is fixedly connected with the lock cylinder assembly 2 through the bottom cover 11 provided at the end; the end of the motor assembly 3 is fixed in the bottom cover 11 through the first snap spring 34; the middle part of the motor assembly 3 is fixed in the lock cylinder assembly 2 through the second snap spring 35. Specifically, the bottom cover 11 is fixed at the end of the middle frame 1 by screws, and the other end of the bottom cover 11 is provided with a mounting notch matched with the lock cylinder assembly 2 for alignment and installation with the lock cylinder assembly 2, and the middle part of the lock cylinder assembly 2 is provided with a containing groove for containing the motor assembly 3, and one side end of the motor assembly 3 is fixed on the middle frame 1 through the first snap spring 34 and the snap spring groove, and the motor assembly 3 is also provided with the reset spring 33 and the clutch push rod 32 on this end, and the other end of the motor assembly 3 is deep into the lock cylinder assembly 2 and is provided with the clutch pin 31, which matches and connects with the lock cylinder dial 21 provided in the middle part of the lock cylinder assembly 2.
[0040] Referring to Figure 5In some other embodiments, the motor assembly 3 comprises a split assembly housing 36; the motor 37, the clutch push rod 32, the clutch pin 31 and the return spring 33 are arranged in the assembly housing 36; the assembly housing 36 is fixed by a sleeve 38 to limit the motor 37, the clutch push rod 32, the clutch pin 31 and the return spring 33.
[0041] Referring to Figure 3 In some other embodiments, the middle frame 1 is fixed with a lock head battery support 12 by screws; the lock head battery support 12 is provided with accommodation grooves for accommodating the lock head assembly 4 and the battery assembly respectively; the end of the lock head assembly 4 is fixed with a lock head connecting rod 41 by screws; the end of the accommodation groove is further provided with a cover plate 13 for protecting the battery in the lock head battery support 12. Specifically, one end of the lock head assembly 4 is used for inserting the mechanical key 6, and the end of the lock head assembly 4 away from the socket is connected with the lock connecting rod; in the life of using the mechanical key 6, the mechanical key 6 is inserted and rotated, the lock head connecting rod 41 is moved towards the lock cylinder assembly 2 and pushes the clutch pin 31 to cooperate with the lock cylinder dial 21 through the clutch connecting rod, so as to realize the linkage of the motor assembly 3 and the lock cylinder assembly 2, and then the rotation of the middle frame 1 can realize the rotation unlocking and locking of the lock cylinder dial 21.
[0042] Referring to Figure 3 In some other embodiments, the middle frame 1 is further fixed with a mainboard support 14, and the mainboard support 14 is fixed with a mainboard assembly 5 by screws; the middle frame 1 is further provided with a mainboard support column 15 for limiting the mainboard support 14 and the mainboard assembly 5. The mainboard assembly 5 is provided with a fingerprint identification module and a card swiping module, which are used for authenticating identity information; after the mainboard assembly 5 confirms the identity information, the motor 37 in the motor assembly 3 can be controlled to work to push the movement of the clutch pin 31, so that the clutch pin 31 cooperates with the lock cylinder dial 21.
[0043] In some other embodiments, the middle frame 1 is provided with a middle frame cover plate 17 at the end away from the lock cylinder assembly 2, and the middle frame cover plate 17 is fixedly connected with a middle frame cover 19 through a decorative ring 16.
[0044] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application.
Claims
1. An unlocking mechanism for an electronic lock, comprising a middle frame, wherein a lock cylinder assembly is connected to one side of the middle frame, characterized in that, A motor assembly is provided between the middle frame and the lock cylinder assembly. The lock cylinder assembly has a lock cylinder dial that cooperates with one end of the motor assembly. The middle frame has a lock head assembly that is driven to cooperate with the other end of the motor assembly and a main board assembly for controlling the motor assembly. The motor assembly has a clutch pin at one end near the lock cylinder wheel, which engages with the lock cylinder wheel. The clutch pin is used to link the motor assembly and the lock cylinder wheel. The lock head assembly has a lock head connecting rod at one end near the motor assembly, which is used to push the clutch pin to engage with the lock cylinder wheel. The main board assembly is used to control the motor in the motor assembly to push the clutch pin to engage with the lock cylinder wheel. The motor assembly has a clutch push rod and a return spring at one end near the lock cylinder assembly. One end of the clutch push rod contacts the lock cylinder linkage and is pushed by the lock cylinder linkage to move the clutch pin at the other end of the motor assembly. The return spring is used to reset the clutch push rod. When the electronic lock fails or is not needed, the user inserts a mechanical key into the lock cylinder assembly and then turns the mechanical key to drive the lock cylinder linkage at the end of the lock cylinder assembly. The lock cylinder linkage pushes the clutch push rod towards the motor assembly and drives the clutch pin to engage with the lock cylinder dial to complete the unlocking or locking action. Afterward, the lock cylinder linkage moves away from the clutch push rod, and the clutch push rod resets under the action of the return spring to prepare for the next action.
2. The unlocking mechanism of the electronic lock according to claim 1, characterized in that, The middle frame is fixedly connected to the lock cylinder assembly via a bottom cover located at the end.
3. The unlocking mechanism of the electronic lock according to claim 2, characterized in that, The end of the motor assembly is fixed to the bottom cover by a first retaining ring; the middle part of the motor assembly is fixed to the lock cylinder assembly by a second retaining ring.
4. The unlocking mechanism of the electronic lock according to claim 1, characterized in that, The motor assembly includes a split-type assembly housing; the assembly housing contains a motor, a clutch push rod, a clutch pin, and a return spring, and the assembly housing is fixed by a collar to limit the motor, clutch push rod, clutch pin, and return spring.
5. The unlocking mechanism of the electronic lock according to claim 1, characterized in that, A lock head battery bracket is fixed inside the middle frame by screws. The lock head battery bracket has a receiving groove for accommodating the lock head assembly and the battery assembly. The end of the lock head assembly is fixed to the lock head connecting rod by screws. The end of the receiving groove is also provided with a cover plate, which is used to protect the battery inside the lock head battery bracket.
6. The unlocking mechanism of the electronic lock according to claim 1, characterized in that, A motherboard bracket is also fixed inside the middle frame, and the motherboard assembly is fixed to the motherboard bracket by screws.
7. The unlocking mechanism of the electronic lock according to claim 6, characterized in that, The middle frame is also provided with a motherboard support column, which is used to limit the motherboard bracket and motherboard assembly.
8. The unlocking mechanism of the electronic lock according to claim 1, characterized in that, The middle frame has a middle frame cover plate fixedly connected to the end away from the lock cylinder assembly via a decorative ring. The middle frame cover plate is connected to the lock cylinder cover via screw posts and lock cylinder springs.
9. The unlocking mechanism of the electronic lock according to claim 1, characterized in that, The motherboard assembly is equipped with a fingerprint recognition module and a card swiping module, which are used to authenticate identity information.
Citation Information
Patent Citations
Intelligence lock core
CN207863639U