Electronic lock cylinder of new clutch structure

Abstract

The invention relates to an electronic lock cylinder of a new clutch structure. The electronic lock cylinder comprises an outer handle, an inner handle, an outer handle linkage shaft, an inner handlelinkage shaft, a lock cylinder shell, a lock cylinder rotor, a lock cylinder thumb wheel and a clutch device; the lock cylinder rotor is rotatably installed in the lock cylinder shell in a sleeved mode, and the lock cylinder thumb wheel is arranged outside the lock cylinder rotor in a sleeving mode; the clutch device comprises a clutch rotor, clutch rollers and a clutch driving mechanism; the clutch rotors are rotatably installed in the lock cylinder rotor in a sleeved mode, the peripheral wall of the lock cylinder rotor is provided with roller grooves, and the clutch rollers are movably arranged in the roller grooves; the outer peripheral surface of the clutch rotor is provided with convex portions and concave portions which are in abutting fit with the inner sides of the clutch rollers;the inner peripheral surface of the lock cylinder thumb wheel is provided with clamping grooves used for being in clutch fit with the outer sides of the clutch rollers; and the inner handle is connected with one end of the lock cylinder rotor through the inner handle linkage shaft, and the outer handle is connected with the other end of the lock cylinder rotor through the outer handle linkage shaft. The electronic lock cylinder has the advantages of being compact in structure, high in reliability, good in safety, convenient to use and high in practicality.

Description

technical field [0001] The invention relates to a lock cylinder, in particular to an electronic lock cylinder with a new clutch structure. Background technique [0002] For the traditional door lock system, in order to change to an electronic door lock at low cost, an electronic lock cylinder with electronic unlocking has appeared on the market. By replacing the lock cylinder of the traditional mechanical lock with an electronic lock cylinder, the traditional mechanical door lock system can be easily and cost-effectively transformed into an electronic door lock, so the electronic lock cylinder is more and more favored by consumers. [0003] At present, there are mainly two design methods for the clutch structure of the electronic lock cylinder: one is the external clutch method, that is, the clutch part is arranged in the protective shell between the lock cylinder shell and the outer handle, and the drive motor and circuit of the clutch part are The control panel is install...

AI Technical Summary

Problems solved by technology

[0003] At present, there are mainly two design methods for the clutch structure of the electronic lock cylinder: one is the external clutch method, that is, the clutch part is arranged in the protective shell between the lock cylinder shell and the outer handle, and the drive motor and circuit of the clutch part are The control panel is installed in the outer handle. Since the protective shell and the outer handle are exposed outside the door body, criminals can short-circuit the drive motor by destroying the outer protective shell and using the insert to move the clutch parts or destroy the outer handle. Unlocking in one way, which greatly reduces the safety performance of the door lock; the other is the internal clutch method, that is, the clutch parts and the drive motor are integrated into the lock cylinder shell. In this case, the lock cylinder shell is embedded in the door body. Internal, so it can prevent criminals from destructively unlocking through the aforementioned method, thereby improving the safety performance of the door lock. However, this clutch method also brings about the problem that the internal space of the lock cylinder housing is largely occupied by clutch components and drive motors. , which in turn leads to insufficient space inside the lock cylinder housing to design a mechanical unlocking structure. For this reason, there is a defect that mechanical keys cannot be used for emergency unlocking. The function is single and cannot meet the multi-faceted needs of users.

[0004] In addition, when the existing electronic lock cylinder is in the daily locked state, the inner lock cylinder rotor is generally in a state of restricted rotation. At this time, if the outer handle is twisted strongly by the outside world, the limit parts of the lock cylinder rotor will be damaged. If it is light, it will cause the control of the electronic lock cylinder to fail and be opened illegally. If it is serious, it will cause the limit part to be stuck and the electronic lock can no longer be opened normally, which has a large potential safety hazard.

[0005] Furthermore, the existing electronic lock cylinder cannot realize the linkage of the inner and outer handles, so when the inner and outer handles are equipped with electronic unlocking modules, generally only a corresponding control board can be installed inside the respective handles, and the two handles cannot be connected together. The electronic unlocking module on the board shares a control board through wire connection, otherwise the connecting wire is easily twisted or broken by the rotation operation of the inner and outer handles, which will affect the reliability of line transmission

[0006] Finally, the existing electronic lock cylinder can generally only be adapted to a door panel with one thickness specification. When the thickness of the door body changes, it can only be replaced with an electronic lock cylinder of another size specification, so the use is relatively limited, universal and practical Poor sex

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