一种手自一体的门窗锁
By using an electric drive mechanism and a magnetic locking clutch assembly, the problem of insufficient pushing force or poor feel caused by the unsuitable elasticity of the reset spring in the existing technology has been solved, realizing stable reset of the shift fork and flexibility of manual operation, thus improving the user experience of electric door and window locks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG JEFFREY INTELLIGENT TECH CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-07-17
AI Technical Summary
In existing automatic and manual electric door and window locks, the return spring is either too loose or too tight, resulting in insufficient pushing force or affecting the user experience, and it cannot simultaneously ensure the stable return of the shift fork.
An electric drive mechanism replaces the return spring, with the shift fork moved by a motor and automatically reset after unlocking. Combined with a magnetic locking post and clutch assembly, it ensures stable pushing force of the shift fork and flexibility of manual operation. Hall effect sensors are used to detect the status of the shift fork in real time.
It achieves stable and powerful push force reset of the shift fork, improves the user experience, and avoids motor damage caused by repeated operation through the status detection component.
Smart Images
Figure CN224514941U_ABST
Abstract
Claims
1. A manual / automatic door and window lock, comprising a lock housing and a sliding profile disposed within the lock housing, wherein the lock housing has a sliding cavity for the sliding profile to move along its length, the sliding profile has a toggle part on one side and a toggle fork on the other side, the lock housing has a toggle groove for operating the toggle part on one side and a toggle fork groove for the toggle fork to extend on the other side, characterized in that: The sliding cavity is equipped with an electric drive mechanism that drives the shift fork to slide in the shift fork groove and causes it to revert after displacement. The electric drive mechanism includes a drive source, a lead screw, and a linkage slider sleeved on the outer circumference of the lead screw. The linkage slider is connected to the sliding profile. The output end of the drive source is equipped with a clutch assembly that connects to the lead screw.
2. The manual / automatic integrated door and window lock according to claim 1, characterized in that: The clutch assembly includes an input turntable connected to a drive source, an output turntable connected to a lead screw, magnetic locking posts, and a metal bushing. The output turntable includes a first connector that inserts into the lead screw and a first disc body that cooperates with the input turntable. The end of the first disc body facing the drive source has a clutch cavity for mounting the input turntable. The inner wall of the clutch cavity is evenly distributed with several arc-shaped grooves for embedding the magnetic locking posts. The input turntable includes a second connector that inserts into the drive source and a second disc body placed in the clutch cavity. The metal bushing is sleeved on the outer periphery of the second connector and rotates with the input turntable. The magnetic locking posts are attracted to the end face of the metal bushing. A fan-shaped block is provided on the side of the second disc body facing the drive source. When the input turntable rotates, the fan-shaped block pushes the magnetic locking posts into the arc-shaped grooves, thereby linking the output turntable.
3. A hands-free door lock according to claim 2, wherein: The clutch assembly also includes a mounting base, a mounting end cover, and a lead screw mounting bracket. One end of the drive source is inserted into the mounting base and connected by fasteners. The metal bushing, input turntable, and first disc are all placed inside the mounting base. The mounting base has a mounting cavity for mounting the metal bushing. Two mounting grooves are symmetrically arranged on the cavity wall of the mounting cavity. A first resistance post with its end abutting against the metal bushing is provided in the mounting groove. The first insertion tube is placed inside the mounting end cover. A bearing is sleeved on the lead screw and embedded in the lead screw mounting bracket. The mounting end cover is located between the mounting base and the lead screw mounting bracket. The three are detachably connected by fasteners. The mounting base, the lead screw mounting bracket, and the lock housing are connected by fasteners.
4. A hands-free door and window lock according to claim 1, characterized in that: The sliding cavity is also provided with a sliding base. The bottom of the linkage slider is placed in the sliding base. The bottom is provided with second resistance columns on both sides. The inner walls of both sides of the sliding base are provided with two sets of spaced arc grooves. One end of the second resistance column abuts against the linkage slider, and the other end is placed in the arc groove.
5. The lock according to any one of claims 1 to 4, wherein: An upper end frame and a lower end cover are respectively installed at both ends of the lock housing along its length. The upper end frame has an assembly groove, and the upper end of the assembly groove has a notch. An assembly block is slidably connected in the notch. One end of the assembly block is placed outside the lock housing, and the other end is placed inside the assembly groove. The assembly groove and the assembly block are connected by a spring. A triangular stop block is provided on the side of the lower end cover facing outward from the lock housing. The end of the assembly block facing outward from the lock housing is triangular.
6. A center pivot lock according to claim 5 wherein: The lock housing is equipped with a status detection component for detecting the current position of the shift fork. The status detection component includes at least two position sensors installed on the inner wall of the lock housing and a sensing element embedded in the sliding profile that senses the position sensors.
7. A manual / automatic door and window lock according to claim 6, characterized in that: The number of position sensors is 2, and the distance between the two position sensors is the travel distance of the fork when it moves from the locked state to the unlocked state. The position sensors are Hall sensors, and the sensing element is a sensing magnet.