Lock eccentricity preventing structure of intelligent door lock

By designing a smart door lock to prevent lock eccentricity, and utilizing the adjusting blocks and connecting blocks of the transmission mechanism and switch actuator, the problems of installation difficulties and reduced security caused by lock cylinder eccentricity are solved, thus achieving improved versatility and security of the smart door lock.

CN223854004UActive Publication Date: 2026-01-30SHENZHEN JINGXI IND DESIGN CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520170014.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-30
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

When existing smart door locks are installed on mechanical door locks, the lock cylinder is prone to misalignment, which leads to installation difficulties, reduced door security, and increased operating costs.

Method used

A smart door lock anti-lock eccentricity structure was designed, including a transmission mechanism and a switch actuator. By adjusting the sliding and rotation of the adjusting block and connecting block, in conjunction with the rotating shaft and gear system, the synchronous rotation of the switch actuator and the door lock is ensured, adapting to the eccentricity of lock cylinders from different brands.

Benefits of technology

This technology enables smart door locks to function normally even when the lock cylinders of different brands are misaligned, improving the universality and security of installation while reducing installation difficulty and cost.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223854004U_ABST
    Figure CN223854004U_ABST
Patent Text Reader

Abstract

The utility model discloses a lock eccentricity prevention structure of an intelligent door lock, which comprises a transmission mechanism and a switch actuating mechanism, the transmission mechanism and the switch actuating mechanism are connected and fixed through a protective cover, the switch actuating mechanism comprises a connecting block, an adjusting block and a mounting block, and the middle position of the bottom of the adjusting block is provided with a chute communicated with the left side surface and the right side surface. The adjusting block can freely slide on the mounting block and can rotate at the same time, so that when the lock is eccentrically assembled, the position is adjusted through sliding of the adjusting block, and a user can normally use the lock; meanwhile, four rotating shafts are additionally arranged, so that when a conventional lock eccentrically touches the boundary, rotation is assisted through the rotating shafts, and normal use of a user is not affected.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent door lock technical field, especially intelligent door lock prevents lock eccentric structure. BACKGROUND

[0002] Traditional door lock needs to use key to open, and the user often forgets to take the key and cannot enter the door. In order to save the trouble of taking the key, various forms of intelligent door locks appear on the market, for example: combination lock, induction lock, fingerprint lock and the like, but the installation of the intelligent door lock needs to remove the original mechanical door lock, and then install the new intelligent door lock, which causes waste and also greatly increases the use cost of the user. At the same time, the installation of the intelligent door lock needs to re-excavate the hole on the door which is matched with the intelligent door lock, which reduces the safety of the door on the one hand, and also improves the difficulty of installation on the other hand.

[0003] In view of the above problems, an intelligent door lock device that can be directly installed on the existing mechanical door lock appears on the market. The intelligent door lock rotates the connecting block to drive the door lock opening part to rotate, so as to realize the opening or closing of the door. However, since the door lock device is installed on various brands of locks, sometimes the lock core is eccentric. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide an intelligent door lock anti-lock eccentric structure to solve the above-mentioned problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an intelligent door lock anti-lock eccentric structure, which comprises a transmission mechanism and a switch execution mechanism, the transmission mechanism and the switch execution mechanism are connected and fixed through a protective cover, the switch execution mechanism comprises a connecting block, an adjusting block and a mounting block, the adjusting block is provided with a sliding groove in communication with the left and right side surfaces in the middle position of the bottom, the mounting block is connected with the transmission mechanism at the bottom end and located in the sliding groove, the adjusting block can freely slide on the mounting block, and the connecting block is connected with the adjusting block through a connecting shaft.

[0006] Preferably, the two ends of the connecting block are symmetrically provided with two protrusions, the two protrusions are respectively attached to the two side surfaces of the adjusting block, four rotating shafts are respectively and symmetrically arranged on the two protrusions, and the rotating shafts are covered by a cover.

[0007] Preferably, a convex shaft is arranged at the middle position of the upper surface of the adjusting block, the convex shaft is in contact with the bottom of the connecting block, and the connecting block and the adjusting block are connected through two connecting shafts penetrating the convex shaft.

[0008] Preferably, the transmission mechanism comprises a driving gear, a transmission gear, an angle detection gear, a driving shaft, a driven shaft and a clutch mechanism, the driving gear is in meshing connection with the transmission gear, the angle detection gear is in meshing connection with the transmission gear, the driving gear is connected with the driven shaft, and the clutch mechanism is arranged between the driving shaft and the driven shaft.

[0009] The intelligent door lock anti-lock eccentric structure of the utility model, the middle position of the adjusting block bottom is provided with the chute connecting the left and right two sides, so that the adjusting block can freely slide on the mounting block, and the adjusting block can rotate, so that when the lock eccentricity is assembled, the user can normally use by adjusting the sliding adjusting position of the adjusting block; meanwhile, four rotating shafts are added, so that when the conventional lock eccentricity hits the boundary, the rotating shafts are used to assist rotation, so as to not affect the normal use of the user. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in the drawings without creative labor.

[0011] Fig. 1 The intelligent door lock anti-lock eccentric structure structure schematic view provided for an embodiment of the utility model is shown in the figure.

[0012] Fig. 2 The intelligent door lock anti-lock eccentric structure structure schematic view provided for another embodiment of the utility model is shown in the figure.

[0013] Fig. 3 The switch actuator structure schematic view provided for the embodiment of the utility model is shown in the figure.

[0014] BRIEF DESCRIPTION OF DRAWINGS

[0015] Reference Name Reference Name 1 Transmission mechanism 2 Switch actuator 101 Driving gear 102 Driven gear 103 Angle detection gear 104 Driving shaft 105 Driven shaft 106 Clutch mechanism 201 Connecting block 202 Adjusting block 203 Mounting block 204 Slide groove 205 Male shaft 2011 Male block 2012 Rotating shaft

[0016] The realization, functional characteristics and advantages of the utility model will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] It should be noted that all directional indications, such as upper, lower, left, right, front, back, etc., in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0019] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0020] In the embodiments of the present application, with reference to Figs. 1 to 3 , the intelligent door lock prevents the eccentric structure of the lock from being offset, comprising a transmission mechanism 1 and a switch execution mechanism 2, the transmission mechanism 1 and the switch execution mechanism 2 are connected and fixed through a protective cover (shown in the drawings), the switch execution mechanism 2 can transmit driving force to the unlocking part of the door lock, and realize the function of unlocking or locking. When installing the intelligent door lock device, the switch execution mechanism is fixed with the unlocking part of the door lock, and the intelligent door lock device is fixed and installed on the door or the door lock through the protective cover, and then connected with the mobile phone or other mobile terminal through the wireless communication module on the main control line board; when unlocking or locking, the mobile phone or other mobile terminal sends the unlocking or locking instruction, the main control line board controls the driving motor to work, the driving motor drives the transmission mechanism to move, and the transmission mechanism drives the switch execution mechanism to rotate; the switch execution mechanism rotates synchronously with the magnetic part, so the rotation angle of the magnetic part is obtained, that is, the rotation angle of the switch execution mechanism is obtained; when the magnetic part rotates to the predetermined angle, the magnetic sensor feeds back the signal to the main control line board, and the main control line board drives the driving mechanism to work, that is, the unlocking or locking is completed.

[0021] Further, the switch actuator 2 comprises a connecting block 201, an adjusting block 202 and a mounting block 203, the adjusting block 202 is provided with a sliding groove 204 in the middle of the bottom and connected with the left and right sides, the mounting block 203 is connected with the transmission mechanism 1 at the bottom end and located in the sliding groove 204, the adjusting block 202 can slide freely on the mounting block 203, and the connecting block 201 is connected with the adjusting block 202 through connecting shafts. The mounting block 203 is fixed on the driven gear of the transmission mechanism 1, and is limited in and slidably connected with the sliding groove 204, so that the intelligent door lock device can be applied to different door locks by sliding the mounting block 203 in the sliding groove 204, thereby improving the versatility. The adjusting block 202 is provided with a convex shaft 205 in the middle of the upper surface, the convex shaft 205 is in contact with the bottom of the connecting block 201, and the connecting block 201 and the adjusting block 202 are connected through two connecting shafts penetrating the convex shaft 205. The connecting block 201 is covered outside the protective cover, and the connecting block 201 is fixedly connected with the mounting block 203, and the center axis of the connecting block 201 coincides with the center axis of the mounting block 203, so as to ensure that the connecting block 201 and the mounting block 202 rotate synchronously and concentrically during the rotation of the switch actuator; the connecting block 201 is used for manual unlocking or locking, and the user can rotate the connecting block to drive the mounting block to rotate, thereby realizing the functions of unlocking or locking.

[0022] Further, the connecting block 201 is symmetrically provided with two protrusions 2011 at both ends, the two protrusions are respectively attached to the two side surfaces of the adjusting block 202, and four rotating shafts 2012 are symmetrically arranged on the two protrusions respectively, and the rotating shafts 2012 are covered by the cover. The four rotating shafts increase the rotation of the conventional lock when the eccentricity hits the boundary, thereby not affecting the normal use of the user.

[0023] In the embodiment, the transmission mechanism 1 comprises a driving gear 101, a transmission gear 102, an angle detection gear 103, a driving shaft 104, a driven shaft 105 and a clutch mechanism 106, the driving gear 101 is engagedly connected with the transmission gear 102, the angle detection gear 103 is engagedly connected with the transmission gear 102, the driving gear 101 is connected with the driven shaft 105, and the clutch mechanism 106 is arranged between the driving shaft 104 and the driven shaft 105. The driving shaft 104 is connected with the motor, when the motor rotates normally, the clutch mechanism 106 moves to the right under the force and engages with the right driven shaft 105, so as to control the rotation of the driven shaft 105.

[0024] The above merely describes preferred embodiments of the present application, and is not intended to limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the inventive concept of the present application, as described in the present application specification and drawings, is included in the patent protection scope of the present application.

Claims

1. A structure for preventing the lock from being eccentric in an intelligent door lock, characterized in that: The transmission mechanism and the switch actuator are connected and fixed by the protective cover, the switch actuator comprises a connecting block, an adjusting block and a mounting block, the bottom of the adjusting block is provided with a sliding groove in communication with the left and right sides, the bottom end of the mounting block is connected with the transmission mechanism and the other end is located in the sliding groove, the adjusting block can freely slide on the mounting block, and the connecting block is connected with the adjusting block through a connecting shaft.

2. The intelligent door lock prevents the eccentric structure from being locked, according to claim 1, wherein: The two ends of the connecting block are symmetrically provided with two protrusions which are respectively attached to the two side surfaces of the adjusting block, and four rotating shafts are symmetrically arranged on the two protrusions respectively, and the rotating shafts are covered by the cover.

3. The intelligent door lock prevents the eccentric structure of claim 1, wherein: The upper surface of the adjusting block is provided with a convex shaft in the middle position, the convex shaft is in contact with the bottom of the connecting block, and the connecting block and the adjusting block are connected through two connecting shafts penetrating the convex shaft.

4. The intelligent door lock prevents the eccentric structure from being locked as claimed in claim 1, wherein: The transmission mechanism comprises a driving gear, a transmission gear, an angle detection gear, a driving shaft, a driven shaft and a clutch mechanism, the driving gear is in engagement with the transmission gear, the angle detection gear is in engagement with the transmission gear, the driving gear is connected with the driven shaft, and the clutch mechanism is arranged between the driving shaft and the driven shaft.