Electric door lock

By employing a fingerprint sensor and an incomplete gear mechanism driven by a motor, the lifespan of electric door locks has been extended, ensuring the stability of door opening and closing and resolving technical problems that were not addressed in existing technologies.

CN223880928UActive Publication Date: 2026-02-06SUZHOU BOW INTELLIGENCE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423046519.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2026-02-06
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing electric door locks are prone to spring failure after prolonged use, affecting normal use and reducing their lifespan and practicality.

Method used

By using a fingerprint sensor and a motor, the bolt is driven to move back and forth within the outer casing and the shell plate through incomplete gears and actuating components, thus avoiding spring failure and ensuring the normal use of the door lock.

Benefits of technology

It improves the service life of electric door locks, ensures the stability of door opening and closing functions, and reduces the possibility of spring failure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223880928U_ABST
    Figure CN223880928U_ABST
Patent Text Reader

Abstract

The utility model provides an electric door lock, and belongs to the technical field of door locks. The electric door lock comprises a shell and a spring bolt assembly. The surface of the shell is connected with a shell plate, a fixing shaft is rotationally connected between the shell plate and the shell, the spring bolt assembly comprises a fingerprint sensor and a motor, the motor is electrically connected with the fingerprint sensor, and the surface of the fixing shaft is sleeved with a shifting piece; the shifting piece is in transmission connection with an output shaft of the motor through an incomplete gear, and a notch corresponding to the lower end of the shifting piece is formed in the top of the spring bolt body. Through cooperation of the fingerprint sensor and the motor, the motor drives the incomplete gear to rotate so as to drive the shifting piece to rotate on the surface of the fixing shaft, the shifting piece can drive the spring bolt body to move in a reciprocating mode, the door can be locked or opened, and the probability that after an electric door lock is used for a long time, a spring loses efficacy possibly, and the service life of the electric door lock is prolonged is reduced. Therefore, the normal use possibility is influenced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of door lock, specifically, an electric door lock. BACKGROUND

[0002] The door lock is to lock the door to prevent others from opening the door, the electric door lock more common in the market includes electronic part and mechanical part, and its basic principle is to identify the correctness of the door opening object through the electronic identification system, if the characteristics of the door opening object are consistent with the characteristics stored or set in the electronic identification system, the electronic system sends a command to the motor to rotate, and then the door lock can be opened through the spring and complex mechanical transmission.

[0003] At present, the existing electric door lock generally opens the door lock through the spring and complex mechanical transmission, which leads to the spring failure after a long time of use, thereby affecting the normal use of the electric door lock, greatly reducing the service life of the electric door lock, and making the practicability of the door lock not high, which cannot meet the use requirement of the user. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides an electric door lock, which aims at improving the problem that the existing electric door lock generally opens the door lock through the spring and complex mechanical transmission, which leads to the spring failure after a long time of use, thereby affecting the normal use of the electric door lock.

[0005] The utility model is realized as follows:

[0006] The utility model provides an electric door lock, which comprises a shell and a lock tongue assembly.

[0007] The shell surface is connected with a shell plate, the shell and the shell plate are connected with a first connecting plate and a second connecting plate, the shell plate and the shell are rotationally connected with a fixed shaft, the lock tongue assembly comprises a fingerprint sensor and a motor, the fingerprint sensor is connected to the first connecting plate surface, the motor is arranged in the fingerprint sensor, and the motor is electrically connected with the fingerprint sensor, the fixed shaft surface is sleeved with a knob, the knob is transmissionally connected with the output shaft of the motor through an incomplete gear, the shell is slidably provided with a lock tongue body, and the lock tongue body top is provided with a gap corresponding to the lower end of the knob.

[0008] In one embodiment of the utility model, the first connecting plate and the second connecting plate surface are connected with a first connecting column and a second connecting column, the first connecting column is connected with the shell through a first screw, and the second connecting column is connected with the shell plate through a second screw.

[0009] In an embodiment of the utility model, the fixed shaft both ends are provided with connecting block and a character respectively, connecting block is located in the shell one side, a character is located in the shell plate one side.

[0010] In an embodiment of the utility model, the motor's output shaft is connected with first gear, first gear is engaged with the incomplete gear connection.

[0011] In an embodiment of the utility model, the knob includes sleeve and knob lever, the sleeve is slidably sleeved on the surface of the fixed shaft, and one end of the sleeve is attached to the shell plate, the sleeve is connected with the knob lever and the incomplete gear respectively, and the knob lever is located in the aperture.

[0012] In an embodiment of the utility model, the surface of the fixed shaft is connected with a limit block, and a limit groove corresponding to the limit block is formed in the sleeve.

[0013] In an embodiment of the utility model, the surface of the fixed shaft is provided with a thread, the surface of the fixed shaft is connected with a limit ring through the thread, and the limit ring is attached to the other end of the sleeve.

[0014] In an embodiment of the utility model, the bottom of the lock tongue body is connected with a bracket through a bolt, the surface of the bracket is connected with a limiting piece, the surface of the first connecting column is connected with a first magnetic pad, the limiting piece is located between the two groups of first magnetic pads, and the limiting piece is attached to one of the first magnetic pads.

[0015] In an embodiment of the utility model, the limiting piece includes a block and a second magnetic pad, the block is connected with the bracket and the second magnetic pad respectively, and the second magnetic pad is attached to the first magnetic pad.

[0016] In an embodiment of the utility model, a guide block is connected in the shell, and a sliding groove corresponding to the guide block is formed in the surface of the lock tongue body.

[0017] The utility model discloses a kind of electric door locks, when using, shell, first connecting plate, second connecting plate and shell plate are connected, by the cooperation of fingerprint sensor and motor, the electronic system of fingerprint sensor sends instruction to motor, the output shaft of motor will drive incomplete gear rotation, in turn drive knob in the surface of fixed shaft rotation, because the lower end of knob is located in aperture, can make knob drive lock tongue body reciprocating movement, lock tongue body will reciprocating movement in shell and shell plate, can lock door or open door, so that electric door lock can be normally used, reduce the possibility that spring failure can occur after electric door lock is used for a long time, to affect the possibility that door lock is normally used. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0019] Fig. 1 This is a structural schematic diagram of the electric door lock provided in this embodiment of the utility model;

[0020] Fig. 2 A schematic diagram of the structure of the first connecting plate and the locking tongue assembly provided for an embodiment of this utility model;

[0021] Fig. 3 A schematic diagram of the fingerprint sensor and the incomplete gear connection provided for an embodiment of this utility model;

[0022] Fig. 4 A partial sectional view of the connection between the fixed shaft and the actuating component provided for an embodiment of this utility model;

[0023] Fig. 5 A schematic diagram of the connection between the latch body and the actuating component provided for an embodiment of this utility model;

[0024] Fig. 6 A partial schematic diagram of the connection between the bracket and the limiting member provided in the embodiment of this utility model.

[0025] In the diagram: 100-Outer shell; 110-Shell plate; 120-First connecting plate; 121-First connecting post; 130-Second connecting plate; 131-Second connecting post; 140-Fixed shaft; 141-Connecting block; 142-Straight thread; 143-Limiting block; 144-Thread; 145-Limiting ring; 200-Lock tongue assembly; 210-Fingerprint sensor; 220-Motor; 221-First gear; 230-Actuating component; 231-Sleeve; 232-Actuating lever; 240-Incomplete gear; 250-Lock tongue body; 251-Bracket; 260-Notch; 270-Limiting component; 271-Block; 272-Second magnetic pad; 280-First magnetic pad; 290-Guide block. Detailed Implementation

[0026] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part 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.

[0027] Embodiment

[0028] Please refer to Figs. 1-6 The utility model provides a kind of electric door lock, including shell 100 and bolt assembly 200.

[0029] Wherein, bolt assembly 200 is installed on the first connecting plate 120 of shell 100, by bolt assembly 200, can drive bolt body 250 reciprocating movement in shell 100 and shell plate 110, reduce electric door lock after longer use time, possibly spring failure occurs, to affect the possibility of normal use of door lock.

[0030] Please refer to Figs. 1-4 Shell 100 surface is connected with shell plate 110, and first connecting plate 120 and second connecting plate 130 are connected between shell 100 and shell plate 110, and fixed shaft 140 is rotatably connected between shell plate 110 and shell 100.

[0031] In the embodiment, the surface of first connecting plate 120 and second connecting plate 130 is connected with first connecting column 121 and second connecting column 131, first connecting column 121 is connected with shell 100 by first screw, and second connecting column 131 is connected with shell plate 110 by second screw, in specific implementation, first connecting column 121 and second connecting column 131 are installed in shell 100 and shell plate 110 by first screw and second screw respectively, to stabilize first connecting plate 120, second connecting plate 130 and fingerprint sensor 210 between shell 100 and shell plate 110;Fixed shaft 140 two ends are respectively provided with connecting block 141 and a character 142, connecting block 141 is located at one side of shell 100, and a character 142 is located at one side of shell plate 110, in specific implementation, here, fixed shaft 140 can be rotated by a character screwdriver by a character 142, connecting block 141 is connected on fixed shaft 140, so that it is located outside shell 100, to drive fixed shaft 140 to rotate.

[0032] Please refer to Figs. 1-6The lock tongue assembly 200 comprises a fingerprint sensor 210 and a motor 220, the fingerprint sensor 210 is connected on the surface of the first connecting plate 120, the motor 220 is arranged in the fingerprint sensor 210, and the motor 220 is electrically connected with the fingerprint sensor 210; a driving part 230 is sleeved on the surface of the fixed shaft 140, the driving part 230 is in transmission connection with the output shaft of the motor 220 through an incomplete gear 240; a lock tongue body 250 is slidably arranged in the shell 100, the top of the lock tongue body 250 is provided with a gap 260 corresponding to the lower end of the driving part 230; in the specific implementation, the user presses the hand on the fingerprint sensor 210, the fingerprint feature of the user is consistent with the fingerprint feature stored or set in the electronic identification system, the electronic system can send a command to the motor 220, the output shaft of the motor 220 drives the incomplete gear 240 to rotate, and then drives the driving part 230 on the fixed shaft 140 to rotate slightly, because the lower end of the driving part 230 is located in the gap 260 of the lock tongue body 250, the driving part 230 drives the lock tongue body 250 to move, the lock tongue body 250 reciprocates in the shell 100 and the shell plate 110, and the electric door lock can be locked or opened, so that the electric door lock can be normally used, and the possibility of spring failure after the electric door lock is used for a long time is reduced, thereby reducing the possibility of affecting the normal use of the door lock.

[0033] In the embodiment, the output shaft of the motor 220 is connected with a first gear 221, the first gear 221 is in meshing connection with the incomplete gear 240; the driving part 230 comprises a sleeve 231 and a driving rod 232, the sleeve 231 is slidably sleeved on the surface of the fixed shaft 140, one end of the sleeve 231 is attached to the shell plate 110, the sleeve 231 is connected with the driving rod 232 and the incomplete gear 240 respectively, and the driving rod 232 is located in the gap 260.

[0034] The surface of the fixed shaft 140 is connected with a limiting block 143, a limiting groove corresponding to the limiting block 143 is formed in the sleeve 231, in the specific implementation, the limiting block 143 is inserted into the limiting groove of the sleeve 231, so that the sleeve 231 is limited, and the possibility that the fixed shaft 140 rotates in the sleeve 231 is reduced; the surface of the fixed shaft 140 is provided with a thread 144, the limiting ring 145 is connected with the surface of the fixed shaft 140 through the thread 144, and the other end of the limiting ring 145 is attached to the sleeve 231, in the specific implementation, the limiting ring 145 is connected with the fixed shaft 140 through the thread 144, so that the other end of the limiting ring 145 is attached to the sleeve 231, and because the other end of the sleeve 231 is attached to the shell plate 110, the possibility that the sleeve 231 moves on the fixed shaft 140 is reduced.

[0035] The bottom of the lock tongue body 250 is connected with a support 251 through a bolt, the surface of the support 251 is connected with a limiting piece 270, the surface of the first connecting column 121 is connected with a first magnetic attraction pad 280, the limiting piece 270 is located between the two groups of first magnetic attraction pads 280, and the limiting piece 270 is attached to one of the groups of first magnetic attraction pads 280, and when the toggle lever 232 drives the lock tongue body 250 to reciprocate, the support 251 and the limiting piece 270 can reciprocate, and because the limiting piece 270 is located between the two groups of first magnetic attraction pads 280, the limiting piece 270 can be limited by the two groups of first magnetic attraction pads 280, so that the possibility that the lock tongue body 250 moves too far and falls out of the shell 100 and the shell plate 110 can be reduced; the limiting piece 270 comprises a block 271 and a second magnetic attraction pad 272, the block 271 is connected with the support 251 and the second magnetic attraction pad 272 respectively, and the second magnetic attraction pad 272 is attached to the first magnetic attraction pad 280.

[0036] The shell 100 is connected with a guide block 290, and the surface of the lock tongue body 250 is provided with a sliding groove corresponding to the guide block 290, and when the toggle lever 232 is slightly reciprocated, the lock tongue body 250 can reciprocate along the guide block 290, so that the stability of the lock tongue body 250 during movement can be improved.

[0037] Specifically, the working principle of the electric door lock is as follows: in use, the shell 100, the first connecting plate 120, the second connecting plate 130 and the shell plate 110 are connected, the user's fingerprint feature is matched with the fingerprint feature stored or set in the electronic identification system, the electronic system sends a command to the motor 220, the output shaft of the motor 220 drives the first gear 221 to rotate, and then drives the incomplete gear 240 to rotate, so that the sleeve 231 rotates on the surface of the fixed shaft 140, the lower end of the toggle lever 232 is located in the gap 260 of the lock tongue body 250, the toggle lever 232 drives the lock tongue body 250 to reciprocate along the guide block 290, so that the stability of the lock tongue body 250 during movement can be improved, and the reciprocating movement of the lock tongue body 250 in the shell 100 and the shell plate 110 can lock or unlock the door, so that the electric door lock can be normally used, and the possibility that the spring fails after the electric door lock is used for a long time and affects the normal use of the door lock can be reduced.

[0038] The preferred embodiments of the utility model are described above only and are not used for limiting the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An electric door lock characterized by comprising: The utility model provides a fingerprint lock, including The shell (100) surface is connected with the shell board (110), and the shell (100) and the shell board (110) are connected with the first connecting plate (120) and the second connecting plate (130), and the shell board (110) and the shell (100) are rotatably connected with the fixed shaft (140); The lock tongue assembly (200) includes the fingerprint sensor (210) and motor (220), the fingerprint sensor (210) is connected on the first connecting plate (120) surface, the motor (220) is arranged in the fingerprint sensor (210), and the motor (220) is electrically connected with the fingerprint sensor (210), the fixed shaft (140) surface is sleeved with the knob (230), the knob (230) is drivenly connected with the output shaft of the motor (220) through the incomplete gear (240), the shell (100) is slidably provided with the lock tongue body (250), and the lock tongue body (250) top is provided with the notch (260) corresponding with the lower end of the knob (230).

2. An electric door strike as defined in claim 1, wherein The first connecting plate (120) and the second connecting plate (130) surface are connected with the first connecting column (121) and the second connecting column (131), the first connecting column (121) is connected with the shell (100) through the first screw, and the second connecting column (131) is connected with the shell board (110) through the second screw.

3. An electric door strike as defined in claim 1, wherein The fixed shaft (140) both ends are provided with the connecting block (141) and the character line (142) respectively, the connecting block (141) is located on the one side of the shell (100), and the character line (142) is located on the one side of the shell board (110).

4. The electric door lock according to claim 1, wherein The output shaft of the motor (220) is connected with the first gear (221), and the first gear (221) is meshedly connected with the incomplete gear (240).

5. The electric door strike of claim 1 wherein, The knob (230) includes the sleeve (231) and the knob rod (232), the sleeve (231) is slidably sleeved on the surface of the fixed shaft (140), one end of the sleeve (231) is attached to the shell board (110), the sleeve (231) is connected with the knob rod (232) and the incomplete gear (240) respectively, and the knob rod (232) is located in the notch (260).

6. An electrically operated door lock according to claim 5, wherein The surface of the fixed shaft (140) is connected with the limiting block (143), and the sleeve (231) is provided with the limiting groove corresponding to the limiting block (143).

7. An electrically operated door lock according to claim 5, wherein The surface of the fixed shaft (140) is provided with the thread (144), the surface of the fixed shaft (140) is connected with the limiting ring (145) through the thread (144), and the limiting ring (145) is attached to the other end of the sleeve (231).

8. An electrically operated door lock according to claim 2, wherein The bottom of the lock tongue body (250) is connected with a support (251) through a bolt, the surface of the support (251) is connected with a limiting piece (270), the surface of the first connecting column (121) is connected with a first magnetic attraction pad (280), the limiting piece (270) is located between two groups of the first magnetic attraction pads (280), and the limiting piece (270) is attached to one group of the first magnetic attraction pads (280).

9. An electrically operated door lock according to claim 8, wherein The limiting piece (270) comprises a block (271) and a second magnetic attraction pad (272), the block (271) is connected with the support (251) and the second magnetic attraction pad (272) respectively, and the second magnetic attraction pad (272) is attached to the first magnetic attraction pad (280).

10. The electric door strike of claim 1, wherein, The shell (100) is connected with a guide block (290), and the surface of the lock tongue body (250) is provided with a sliding groove corresponding to the guide block (290).