Clutch for breakage-proof opening of intelligent lock

By designing a clutch for the anti-vandalism smart lock, and adopting a modular structure and a handle head disconnection mechanism, the problems of unsafe use and low assembly efficiency of existing smart locks are solved, thereby improving both security and assembly efficiency.

CN223880924UActive Publication Date: 2026-02-06JUSHENG SMART HOME (ZHONGSHAN) CO LTD
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Patent Information

Application Number
CN202520437449.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-06
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing smart locks with one-touch unlocking structure use a disassembled assembly clutch mechanism, which lacks anti-vandalism opening function, resulting in unsafe use and low assembly efficiency.

Method used

Design a clutch for anti-vandalism smart lock, including a handle head, base plate, rubber sleeve, return spring, limit plate, reversing pin, snap ring, fixed seat, motor, rotating pull wheel, clutch spring, clutch pin, cover plate and fixing screw. Modular production improves assembly efficiency, and a groove is set on the handle head to prevent it from breaking and disengaging from the internal mechanism when the external force exceeds 55N.

Benefits of technology

This increases the security of the lock, prevents unauthorized opening, and improves the stability and efficiency of assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a clutch for an anti-damage unlocking intelligent lock, and relates to the technical field of intelligent locks. The handle head is installed in a hole groove of the bottom plate, the inner side of the handle head is sleeved with a rubber sleeve and a reset spring, reset spring feet of the reset spring are clamped to turning feet on the inner side wall of the bottom plate, a limiting piece is arranged on the outer side of the reset spring, the limiting piece is clamped to the handle head through a clamping spring, the reversing nail is installed on the limiting piece, and the bottom plate is clamped to the fixing base. A motor is installed in the fixing base, a rotating pulling wheel is installed on the motor, a clutch spring and a clutch pin are installed in a rotating pulling wheel hole, and a cover plate is installed on the back face of the fixing base through fixing screws. When external force is applied to the handle and the handle rotates with the force larger than 55N, the handle head can be broken off from the groove and is separated from an internal mechanism, so that the lock cannot be unlocked, and the safety usability of the lock is improved; modularized production can improve stability, the assembly efficiency of the whole lock is improved, and fixation is firm.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of intelligent lock, concretely relates to a clutch for anti -damage opening intelligent lock. BACKGROUND

[0002] The intelligent lock is different from the traditional mechanical lock, and is more intelligent in user identification, safety and manageability. Most of the existing intelligent lock one -handed unlocking structures adopt a scattered part assembly clutch structure, and do not have an anti -damage opening structure, so that the lock is not safe to use, and the assembly efficiency is not high. CONTENT OF THE UTILITY MODEL

[0003] To solve the problems mentioned in the background art, the utility model aims at providing a clutch for anti -damage opening intelligent lock.

[0004] The utility model discloses a clutch for anti -damage opening intelligent lock, including handle head, bottom plate, rubber sleeve, reset spring, limit piece, reversing nail, clasp spring, fixed base, motor, rotating pull wheel, clutch spring, clutch pin, cover plate, fixed screw, handle head is installed in the hole groove of bottom plate, the inside sleeve of handle head is connected with rubber sleeve, reset spring, the reset spring foot of reset spring is connected on the turning foot on the inner wall of bottom plate, the outside of reset spring is provided with limit piece, the limit piece is connected on handle head by clasp spring, reversing nail is installed on the limit piece, bottom plate is connected on fixed base, and the motor is installed in fixed base, and the rotating pull wheel is installed on the motor, and the clutch spring is installed in the rotating pull wheel hole, and the cover plate is installed on the back of fixed base through fixed screw.

[0005] As preferred, the handle head is provided with a groove.

[0006] As preferred, the fixed base is provided with a fingerprint line fixing buckle.

[0007] As preferred, the fixed base is provided with a fixed screw hole.

[0008] Compared with the prior art, the utility model has the beneficial effects that:

[0009] I. When the external force is greater than 55N force to rotate the handle, the handle head will be broken from the groove, and the internal mechanism is disconnected to achieve the lock cannot be opened, and the safe use of the lock is increased.

[0010] II. Modular production can improve stability, facilitate the assembly efficiency of the whole lock and firm fixation. DRAWINGS

[0011] In order to be easy to illustrate, the utility model is described in detail by the following specific embodiments and drawings.

[0012] Figure 1 It is the structural schematic diagram of the utility model

[0013] Figure 2 is a front view of the utility model;

[0014] Figure 3 is a rear view of the utility model;

[0015] Figure 4 is an assembly exploded view of the utility model;

[0016] Figure 5 is a schematic view of the utility model installed on the lock.

[0017] In the drawing: 1 - handle head; 2 - bottom plate; 3 - rubber sleeve; 4 - reset spring; 5 - limiting sheet; 6 - reversing nail; 7 - clasp spring; 8 - fixed seat; 9 - motor; 10 - rotating pull wheel; 11 - clutch spring; 12 - clutch pin; 13 - cover plate; 14 - fixing screw;

[0018] 1-1 - car groove;

[0019] 8-1 - fingerprint line fixing buckle position card. DETAILED DESCRIPTION

[0020] To make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will describe the utility model through specific embodiments shown in the drawings. However, it should be understood that these descriptions are only exemplary, and not to limit the scope of the utility model. The structure, proportion, size etc. shown in the drawings of the specification, are only used to cooperate with the content disclosed in the specification, to be understood and read by the person skilled in the art, and not to limit the limiting conditions that the utility model can be implemented, so it does not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, under the condition that it does not affect the effect and the purpose that the utility model can produce, should still fall within the range that the technical content disclosed by the utility model can cover. In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0021] Here, it also needs to be explained that, in order to avoid the utility model from being obscured by unnecessary details, only the structure and / or processing steps closely related to the scheme according to the utility model are shown in the drawings, and other details not closely related to the utility model are omitted.

[0022] As Figures 1 to 5As shown, the specific embodiment adopts the following technical scheme: including handle head 1, bottom plate 2, rubber sleeve 3, reset spring 4, limiting sheet 5, reversing nail 6, clamping spring 7, fixed seat 8, motor 9, rotating pull wheel 10, clutch spring 11, clutch pin 12, cover plate 13, fixing screw 14; the handle head 1 is installed in the hole groove of the bottom plate 2, the inner side of the handle head 1 is sleeved with the rubber sleeve 3 and the reset spring 4, the reset spring foot of the reset spring 4 is clamped on the turned-over foot on the inner side wall of the bottom plate 2, the outer side of the reset spring 4 is provided with the limiting sheet 5, the clamping spring 7 clamps the limiting sheet 5 on the handle head 1, the reversing nail 6 is installed on the limiting sheet 5, the bottom plate 2 is clamped on the fixed seat 8, the motor 9 is installed in the fixed seat 8, the rotating pull wheel 10 is installed on the motor 9, the handle head 1 drives the rotating pull wheel 10 to open the intelligent lock, the clutch spring 11 and the clutch pin 12 are installed in the hole of the rotating pull wheel 10, the clutch pin 12 is pushed into the groove of the limiting sheet 5 by the motor 9 transmission, the cover plate 13 is installed on the back of the fixed seat 8 through the fixing screw 14; the handle head 1 is provided with a groove 1-1, which can increase the anti-explosion damage opening function, when the external force applied to the handle is greater than 55N force rotation, the handle head will be broken from the groove, and the internal mechanism is separated to achieve the function of not being able to open the lock, the fixed seat 8 is provided with a fingerprint line fixing buckle card 8-1, which can effectively avoid the fingerprint head line from being easily damaged when the lock is reversed, and the fixed seat 8 is provided with a fixed screw hole.

[0023] The working principle of the specific embodiment is as follows: in use, the clutch pin 12 is pushed into the groove of the limiting sheet 5 by the motor 9 transmission through the line board opening instruction, and is integrated with the rotating pull wheel 10, and after the handle is pressed and rotated, the handle head 1 drives the rotating pull wheel 10 to open the intelligent lock; after the lock is opened for 5 seconds, the motor resets, the clutch pin 12 exits the limiting groove and resets under the action of the clutch spring 11, at this time, several mechanism parts are separated to achieve the function of idling to make the lock be able to be locked.

[0024] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0025] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A clutch for preventing vandalism in opening smart locks, characterized in that: It includes handle head (1), bottom plate (2), rubber sleeve (3), reset spring (4), limiting sheet (5), reversing nail (6), snap spring (7), fixed seat (8), motor (9), rotating pull wheel (10), clutch spring (11), clutch pin (12), cover plate (13), fixing screw (14); handle head (1) is installed in the hole slot of bottom plate (2), the inner side of handle head (1) is sleeved with rubber sleeve (3) and reset spring (4), the reset spring foot of reset spring (4) is clamped on the turning foot on the inner side wall of bottom plate (2), the outer side of reset spring (4) is provided with limiting sheet (5), snap spring (7) clamps limiting sheet (5) on handle head (1), reversing nail (6) is installed on limiting sheet (5), bottom plate (2) is clamped on fixed seat (8), fixed seat (8) is installed with motor (9), motor (9) is installed with rotating pull wheel (10), clutch spring (11) and clutch pin (12) are installed in the hole of rotating pull wheel (10), cover plate (13) is installed on the back of fixed seat (8) through fixing screw (14).

2. A tamper-evident clutch for a smart lock according to claim 1, wherein: The handle head (1) is provided with a car groove (1-1).

3. A tamper-evident clutch for a smart lock according to claim 1, wherein: The fixed seat (8) is provided with a fingerprint line fixing buckle card (8-1).

4. A tamper-evident clutch for a smart lock according to claim 3, wherein: The fixed seat (8) is provided with a fixed threaded hole.