A multi-mode unlocking lock
Through the structural design of the lock cylinder, slider, motor, steel ball, and magnet, electronic and mechanical key unlocking is achieved, solving the problem of smart locks being unable to unlock when power is off. This improves the stability of the lock and the user experience, and the structure is compact and reliable.
Patent Information
- Application Number
- CN202211469365.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-22
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2042-11-22
AI Technical Summary
Existing smart locks cannot be unlocked when there is a power outage or malfunction, and traditional mechanical locks are large in size, complex in structure, and have poor reliability.
Design a multi-mode unlocking lock. Through the structural design and coordination of the lock cylinder, slider, motor, steel ball, first magnet, and second magnet, it can achieve unlocking by electronic and mechanical keys. The magnets are used to automatically reset the steel ball into the corresponding groove, ensuring accurate and fast unlocking.
It improves the stability of lock use and user experience, has a simple and compact structure, and features high reliability in the linkage between steel balls and magnets, making it suitable for widespread application.
Smart Images

Figure CN115822379B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of lock technology, and in particular to a lock with multi-mode unlocking. Background Technology
[0002] Locks, as an essential part of daily life, have a long history in my country. Traditional locks are mostly mechanical in structure, ingenious in design, and generally offer high security and reliability. However, because traditional locks largely rely on keys, they cannot be opened if the key is lost or forgotten. Today, with increased security awareness, more and more consumers are choosing the more convenient and secure electronic smart locks. Smart locks, unlike traditional mechanical locks, are more intelligent in terms of user identification, security, and management; they typically utilize mature technology that uses non-mechanical keys as user identification IDs.
[0003] However, smart locks may become unusable in the event of a power outage or malfunction. Therefore, smart locks also need to have a mechanical key unlocking function. This mechanical key unlocking function is not limited to the electronic unlocking component, does not rely on a power source, and operates in the same way as traditional pure mechanical key locks, such as CN. Patent 212428378U discloses a novel electronically controlled cabinet lock, comprising a lock body, a handle, a rotating bracket, and a lock body base. The handle is connected to the lock body base via the rotating bracket, and the handle can be lifted and rotated along the rotating bracket. The lock body includes an electronically controlled lock mechanism and a mechanical lock, with the mechanical lock mounted on the handle. The electronically controlled lock mechanism includes a motor, a latch, a spring baffle, a fixed base, a spring, a circuit board, and a battery. The entire lock body structure is reasonably and ingeniously designed, combining a mechanical lock with an electronically controlled lock. This combination of two unlocking methods improves the security of outdoor cabinets and prevents theft. Furthermore, the use of electronic unlocking reduces the difficulty of key management and saves labor costs. However, this novel electronically controlled cabinet lock has an excessively large overall size, a complex internal structure, and the springs may exhibit varying degrees of performance differences, deformation, or even failure after prolonged use, resulting in the lock being unable to open and exhibiting poor reliability.
[0004] Therefore, a new technical solution needs to be researched to address the above problems. Summary of the Invention
[0005] In view of this, the present invention addresses the deficiencies of existing technologies, and its main objective is to provide a multi-mode unlocking lock. Through the structural design and coordination of the lock cylinder, slider, motor, steel ball, first magnet, and second magnet, it enables the combined use of two unlocking methods: electronic and mechanical key unlocking. Users can flexibly choose the unlocking mode as needed, thereby improving the stability of the lock and the user experience. In particular, its structure is simple, the linkage between the steel ball and the magnet is stable and reliable, and the magnet automatically resets the steel ball into the corresponding groove, resulting in precise, fast, and highly reliable unlocking. Furthermore, the overall spatial arrangement of the lock is compact, making it suitable for widespread application.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A multi-mode unlocking lock includes a lock shell, a lock base, and a lock cylinder. The lock base has a first mounting hole, and the lock shell is rotatably disposed within the first mounting hole. A switch baffle is connected to the lower part of the lock shell to rotate with the lock shell to achieve locking and unlocking. The lock shell has a second mounting hole, and the lock cylinder is rotatably disposed within the second mounting hole. The lock is characterized by:
[0008] The lock base has a notch through the first mounting hole, and a steel ball is placed in the notch; the lock shell has a locking groove through the first mounting hole and the second mounting hole; the lock base also has a drive assembly, which includes a slider and a motor; the slider has a slider groove facing the notch, and a first magnet is placed on the back side of the slider groove; the motor controls the slider to selectively move left and right; the outer periphery of the lock cylinder has a lock cylinder groove facing the locking groove, and a second magnet is placed on the back side of the lock cylinder groove.
[0009] In the locked state, the steel ball is located in the notch and locking groove, and the lock case cannot be rotated;
[0010] In the electronic unlocking state, the motor receives a control signal and pushes the slider to move to the left. The slider groove and the notch groove are aligned. The steel ball is attracted by the first magnet, disengages from the locking groove, and enters the slider groove. At this time, the steel ball is located in the notch groove and the slider groove, and the lock shell can rotate relative to the lock seat.
[0011] When the mechanical key is in the unlocked state, the lock cylinder is rotated by the key, so that the lock cylinder groove is aligned with the locking groove. The steel ball is attracted by the second magnet, disengages from the notch, and enters the lock cylinder groove. At this time, the steel ball is located in the lock cylinder groove and the locking groove, and the lock shell can rotate relative to the lock seat.
[0012] As a preferred embodiment, the lock housing includes a main body and a rotating part extending below the main body, the second mounting hole is disposed in the rotating part, and the switch baffle is connected to the lower part of the rotating part.
[0013] As a preferred embodiment, the lock seat has a slider mounting position and a motor mounting position, with the slider and motor respectively disposed within the slider mounting position and the motor mounting position. A cover plate is also provided above the slider mounting position and the motor mounting position, with the cover plate abutting against the top of the slider and the motor respectively. The design of the slider mounting position and the motor mounting position facilitates the stability of the slider and the motor on the lock seat, and the design of the cover plate limits the movement of the slider and the motor.
[0014] As a preferred embodiment, the lock base has a first screw hole, and correspondingly, the cover plate has a second screw hole at the same location as the first screw hole. By passing screws through the first screw hole and the second screw hole respectively, the cover plate and the lock base are fixedly installed, forming a stable connection between the cover plate and the lock base.
[0015] As a preferred embodiment, the notch is connected to the slider mounting position, and one end of the slider mounting position is connected to the motor mounting position.
[0016] As a preferred embodiment, the output end of the motor is connected to a cam, and the motor pushes the slider to the left through the cam. The left side of the slider has an extension, and a return spring is sleeved on the extension. The left side of the return spring abuts against the side wall of the slider mounting position, and the return spring provides a rightward return force to the slider, so that the slider returns to the right under the action of the return force.
[0017] As a preferred embodiment, the lock cylinder includes a lock cylinder body and a reinforcing plate, a cover, a lock cylinder slider, and a torsion spring disposed on the lock cylinder body. An mounting cavity and a torsion spring mounting position are respectively disposed on the upper part of the lock cylinder body. The lock cylinder slider and the reinforcing plate are sequentially disposed in the mounting cavity. The torsion spring is disposed in the torsion spring mounting position, and one end of the torsion spring is located between the reinforcing plate and the lock cylinder slider. The cover is disposed on the upper part of the lock cylinder body.
[0018] As a preferred embodiment, the outer periphery of the lock cylinder body has an arc-shaped groove, and a fixing pin is provided in the arc-shaped groove. One end of the fixing pin abuts against the side wall of the first mounting hole, and the other end abuts against the arc-shaped groove.
[0019] As a preferred embodiment, the lock base also includes a PCB board, and a USB power interface for power supply is provided on the outer periphery of the lock base, the power interface being connected to the PCB board.
[0020] Compared with existing technologies, this invention has significant advantages and beneficial effects. Specifically, as can be seen from the above technical solution, it mainly relies on the structural design and coordination of a lock cylinder, a slider, a motor, a steel ball, a first magnet, and a second magnet. In the electronic unlocking state, the motor receives a control signal and pushes the slider to the left, aligning the slider groove with the notch. The steel ball, attracted by the first magnet, disengages from the locking groove and enters the slider groove. At this time, the steel ball is located within the notch and the slider groove, allowing the lock shell to rotate relative to the lock seat. In the mechanical key unlocking state, the lock cylinder rotates via the key, causing the lock cylinder to... The groove and locking groove are aligned. The steel ball is attracted by the second magnet, disengages from the notch, and enters the lock cylinder groove. At this time, the steel ball is located in both the lock cylinder groove and the locking groove. The lock shell can rotate relative to the lock seat, enabling the use of two unlocking methods: electronic and mechanical key unlocking. Users can flexibly choose the unlocking mode as needed, thereby improving the stability of the lock and the user experience. In particular, its structure is simple, and the linkage structure between the steel ball and the magnet is stable and reliable. The magnet is used to automatically reset the steel ball to the corresponding groove, making unlocking accurate, fast, and highly reliable. The entire lock has a compact spatial arrangement, making it suitable for widespread application.
[0021] To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description
[0022] Figure 1 This is a perspective view of an embodiment of the present invention;
[0023] Figure 2 This is a cross-sectional view (locked state) of an embodiment of the present invention.
[0024] Figure 3 This is another cross-sectional view of an embodiment of the present invention (electronic unlocking state);
[0025] Figure 4 This is another cross-sectional view of an embodiment of the present invention (mechanical key unlocking state);
[0026] Figure 5 This is another perspective view of an embodiment of the present invention (lock case not shown).
[0027] Figure 6 This is a structural diagram of the lock case according to an embodiment of the present invention.
[0028] Explanation of reference numerals in the attached diagram:
[0029] 10. Lock base; 11. First mounting hole
[0030] 101. Slider mounting position; 102. Motor mounting position
[0031] 12. Notch / groove 13. Steel ball
[0032] 14. Driving component 15. Slider
[0033] 16. Motor 151. Slider groove
[0034] 152. Extension part; 153. Return spring
[0035] 161. Cam 17. First magnet
[0036] 18. PCB board
[0037] 20. Lock case 21. Switch stop plate
[0038] 22. Second mounting hole; 23. Locking groove
[0039] 201. Main body 202. Rotating part
[0040] 30. Lock cylinder 31. Lock cylinder groove
[0041] 32. Second magnet; 33. Protective cover
[0042] 34. Arc groove; 35. Fixing pin. Detailed Implementation
[0043] Please refer to Figures 1 to 6 As shown, it illustrates the specific structure of an embodiment of the present invention.
[0044] In the description of this invention, it should be noted that directional terms such as "up," "down," "front," "back," "left," and "right" indicate the orientation and positional relationship based on the accompanying drawings or the orientation or positional relationship shown during normal wear and use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this invention.
[0045] A multi-mode unlocking lock includes a lock base 10, a lock shell 20, and a lock cylinder 30.
[0046] The lock base 10 has a first mounting hole 11 and a notch 12 that passes through the first mounting hole 11. A steel ball 13 is disposed in the notch 12. The lock base 10 also has a drive assembly 14, which includes a slider 15 and a motor 16. The slider 15 has a slider groove 151 facing the notch 12, and a first magnet 17 is disposed on the back side of the slider groove 151. The motor 16 controls the slider 15 to selectively move left and right. The lock base 10 has a slider mounting position 101 and a motor mounting position 102. The slider 16 and the motor 15 are respectively disposed in the slider mounting position 101 and the motor mounting position 102. Preferably, the notch 12 is connected to the slider mounting position 101, and one end of the slider mounting position 101 and the motor mounting position 102 are connected. The lock base 10 also contains a PCB board 18. A USB power interface for power supply is provided on the outer periphery of the lock base 10, and the power interface is connected to the PCB board 18. The output end of the motor 16 is connected to a cam 161. The motor 16 pushes the slider 15 to the left through the cam 161. The left side of the slider 15 has an extension 152, and a return spring 153 is sleeved on the extension 152. The left side of the return spring 153 abuts against the side wall of the slider mounting position 101. The return spring 153 provides a rightward return force to the slider 15, so that the slider 15 returns to the right under the action of the return force.
[0047] Above the slider mounting position 101 and the motor mounting position 102, there is a cover plate. The cover plate abuts against the top of the slider 15 and the motor 16, respectively. The design of the slider mounting position 101 and the motor mounting position 102 facilitates the stability of the slider 15 and the motor 16 on the lock seat 10, and the design of the cover plate limits the movement of the slider 15 and the motor 16. The lock seat 10 has a first screw hole, and correspondingly, the cover plate has a second screw hole at the first screw hole. Screws pass through the first screw hole and the second screw hole respectively to achieve the fixed installation of the cover plate and the lock seat 10, forming a stable connection between the cover plate and the lock seat 10.
[0048] The lock housing 20 is rotatably disposed within the first mounting hole 11. A switch baffle 21 is connected to the lower part of the lock housing 20 to achieve locking and unlocking by rotating with the lock housing 20. The lock housing 20 has a second mounting hole 22 and a locking groove 23 that passes through the first mounting hole 11 and the second mounting hole 22. The lock housing 20 includes a main body 201 and a rotating part 202 extending below the main body 201. The second mounting hole 22 is disposed within the rotating part 202, and the switch baffle 21 is connected to the lower part of the rotating part 202.
[0049] The lock cylinder 30 is rotatably mounted in the second mounting hole 22. A lock cylinder groove 31 is provided on the outer periphery of the lock cylinder 30 facing the locking slot 23. A second magnet 32 is provided on the back side of the lock cylinder groove 31 on the lock cylinder 30. The lock cylinder 30 includes a lock cylinder body and a reinforcing plate, a cover 33, a lock cylinder slider, and a torsion spring disposed on the lock cylinder body. A mounting cavity and a torsion spring mounting position are respectively provided on the upper part of the lock cylinder body. The lock cylinder slider and the reinforcing plate are sequentially disposed in the mounting cavity. The torsion spring is disposed in the torsion spring mounting position, with one end of the torsion spring located between the reinforcing plate and the lock cylinder slider. The cover 33 covers the upper part of the lock cylinder body. The outer periphery of the lock cylinder body has an arc-shaped groove 34. A fixing pin 35 is disposed in the arc-shaped groove 34. One end of the fixing pin 35 abuts against the side wall of the first mounting hole 11, and the other end abuts against the arc-shaped groove 34.
[0050] In the locked state, the steel ball 13 is located in the notch 12 and the locking groove 23, and the lock case 20 cannot be rotated;
[0051] In the electronic unlocking state, the motor 16 receives a control signal and pushes the slider 15 to move to the left. The slider groove 151 is aligned with the notch groove 12. The steel ball 13 is attracted by the first magnet 17, disengages from the locking groove 23, and enters the slider groove 151. At this time, the steel ball 13 is located in the notch groove 12 and the slider groove 151, and the lock shell 20 can rotate relative to the lock seat 10.
[0052] When the mechanical key is in the unlocked state, the lock cylinder 30 is rotated by the key, so that the lock cylinder groove 31 is aligned with the locking groove 23. The steel ball 13 is attracted by the second magnet 32, disengages from the notch 12 and enters the lock cylinder groove 31. At this time, the steel ball 13 is located in the lock cylinder groove 31 and the locking groove 23, and the lock shell 20 can rotate relative to the lock seat 10.
[0053] The key design feature of this invention lies in the structural design and coordination of the lock cylinder, slider, motor, steel ball, first magnet, and second magnet. In electronic unlocking mode, the motor receives a control signal and pushes the slider to the left, aligning the slider groove with the notch. The steel ball, attracted by the first magnet, disengages from the locking groove and enters the slider groove. At this time, the steel ball is located within the notch and slider groove, and the lock shell can rotate relative to the lock seat. In mechanical key unlocking mode, the lock cylinder rotates via the key, aligning the lock cylinder groove with the locking groove. The steel ball, attracted by the second magnet, disengages from the notch and enters the lock cylinder groove. At this time, the steel ball is located within the lock cylinder groove and locking groove, and the lock shell can rotate relative to the lock seat. This allows for the combined use of two unlocking methods: electronic and mechanical key unlocking. Users can flexibly choose the unlocking mode as needed, thereby improving the stability of the lock and the user experience. In particular, its simple structure and stable and reliable linkage between the steel ball and magnet, using the magnet to automatically reset the steel ball to the corresponding groove, ensure precise and fast unlocking with high reliability. Furthermore, the overall spatial arrangement of the lock is compact, making it suitable for widespread application.
[0054] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the technical scope of the present invention. Therefore, any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.
Claims
1. A multi-mode unlocking lock, comprising a lock shell, a lock base, and a lock cylinder, wherein the lock base has a first mounting hole, the lock shell is rotatably disposed within the first mounting hole, and a switch baffle is connected to the lower part of the lock shell to rotate with the lock shell to achieve locking and unlocking; the lock shell has a second mounting hole, and the lock cylinder is rotatably disposed within the second mounting hole, characterized in that: The lock base has a notch through the first mounting hole, and a steel ball is placed in the notch; the lock shell has a locking groove through the first mounting hole and the second mounting hole; the lock base also has a drive assembly, which includes a slider and a motor; the slider has a slider groove facing the notch, and a first magnet is placed on the back side of the slider groove; the motor controls the slider to selectively move left and right; the outer periphery of the lock cylinder has a lock cylinder groove facing the locking groove, and a second magnet is placed on the back side of the lock cylinder groove. In the locked state, the steel ball is located in the notch and locking groove, and the lock case cannot be rotated; In the electronic unlocking state, the motor receives a control signal and pushes the slider to move to the left. The slider groove and the notch groove are aligned. The steel ball is attracted by the first magnet, disengages from the locking groove, and enters the slider groove. At this time, the steel ball is located in the notch groove and the slider groove, and the lock shell can rotate relative to the lock seat. When the mechanical key is in the unlocked state, the lock cylinder is rotated by the key, so that the lock cylinder groove is aligned with the locking groove. The steel ball is attracted by the second magnet, disengages from the notch, and enters the lock cylinder groove. At this time, the steel ball is located in the lock cylinder groove and the locking groove, and the lock shell can rotate relative to the lock seat.
2. The lock with multi-mode unlocking according to claim 1, characterized in that: The lock housing includes a main body and a rotating part extending below the main body. The second mounting hole is disposed inside the rotating part, and the switch baffle is connected to the lower part of the rotating part.
3. The lock with multi-mode unlocking according to claim 1, characterized in that: The lock base has a slider mounting position and a motor mounting position, and the slider and motor are respectively disposed in the slider mounting position and the motor mounting position. A cover plate is also provided above the slider mounting position and the motor mounting position, and the cover plate abuts against the top of the slider and the motor respectively.
4. A multi-mode unlocking lock according to claim 3, characterized in that: The lock base has a first screw hole, and correspondingly, the cover plate has a second screw hole at the same location as the first screw hole. Screws are passed through the first screw hole and the second screw hole respectively to achieve the fixed installation of the cover plate and the lock base.
5. A multi-mode unlocking lock according to claim 3, characterized in that: The notch is connected to the slider mounting position, and one end of the slider mounting position is connected to the motor mounting position.
6. A multi-mode unlocking lock according to claim 3, characterized in that: The output end of the motor is connected to a cam. The motor pushes the slider to the left through the cam. The left side of the slider has an extension, and a return spring is sleeved on the extension. The left side of the return spring abuts against the side wall of the slider mounting position. The return spring provides a rightward return force to the slider, so that the slider returns to the right under the action of the return force.
7. A multi-mode unlocking lock according to claim 1, characterized in that: The lock cylinder includes a lock cylinder body and a reinforcing plate, a cover, a lock cylinder slider, and a torsion spring disposed on the lock cylinder body. An installation cavity and a torsion spring mounting position are respectively disposed on the upper part of the lock cylinder body. The lock cylinder slider and the reinforcing plate are disposed sequentially in the installation cavity. The torsion spring is disposed in the torsion spring mounting position, and one end of the torsion spring is located between the reinforcing plate and the lock cylinder slider. The cover is disposed on the upper part of the lock cylinder body.
8. A multi-mode unlocking lock according to claim 7, characterized in that: The outer periphery of the lock cylinder body has an arc-shaped groove, and a fixing pin is provided in the arc-shaped groove. One end of the fixing pin abuts against the side wall of the first mounting hole, and the other end abuts against the arc-shaped groove.
9. A multi-mode unlocking lock according to claim 1, characterized in that: The lock base also contains a PCB board, and a USB power interface for power supply is provided on the outer periphery of the lock base. The power interface is connected to the PCB board.
Citation Information
Patent Citations
Novel electric control cabinet lock
CN212428378U
Lock capable of being unlocked in multiple modes
CN219034363U