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CN-224213946-U - Double-motor linkage door lock structure

CN224213946UCN 224213946 UCN224213946 UCN 224213946UCN-224213946-U

Abstract

The utility model discloses a double-motor linkage door lock structure in the technical field of intelligent door locks, which comprises a lock cylinder shell and a limit slide rail fixedly arranged on the inner wall of the lock cylinder shell, wherein a lock tongue mounting seat capable of sliding horizontally is arranged on the slide rail, a plurality of groups of lock tongue components are arranged on the left side of the mounting seat, a main driving motor and a standby driving motor are assembled at the bottom of the mounting seat, the main motor drives the lock tongue mounting seat to move horizontally through a gear transmission system, the standby motor stands by when the main motor works normally, the standby motor is automatically started when a fault of the main motor is detected, and after the standby motor is started, a fourth transmission gear rotates to enable a limit slide block to retract along a transition fillet, and the limit slide block pops up and locks under the action of an elastic element when reaching a clutch clamping groove position, so that accurate power transmission is realized.

Inventors

  • HUANG GUIZHONG

Assignees

  • 福建省铭时门业科技有限公司

Dates

Publication Date
20260508
Application Date
20250605

Claims (7)

  1. 1. A double-motor linkage door lock structure comprises a lock cylinder shell (1) and is characterized in that a limit sliding rail (2) is fixedly arranged on the inner wall of the lock cylinder shell (1) through bolts, a lock tongue mounting seat (21) capable of sliding back and forth along the horizontal direction of the limit sliding rail is arranged on the limit sliding rail (2), a plurality of lock tongue members (22) are fixedly connected to the left side face of the lock tongue mounting seat (21), a main driving motor (3) and a standby driving motor (4) are arranged on the bottom side inside the lock tongue mounting seat (21), the main driving motor (3) is connected with the lock tongue mounting seat (21) through a gear transmission system and used for driving the lock tongue mounting seat (21) to perform horizontal reciprocating linear motion, the standby driving motor (4) is in a standby state under normal operation working conditions of the main driving motor (3), and when the main driving motor (3) is detected to stop operating, the standby driving motor (4) is started to work, and the same transmission function as the main driving motor (3) is achieved.
  2. 2. The double-motor linkage door lock structure according to claim 1, wherein a first transmission module (5) is arranged at the top of the main driving motor (3), the first transmission module (5) comprises a first transmission connecting rod (51), a first transmission gear (52) and a second transmission gear (53), a first transmission connecting rod (51) component capable of reciprocating in the vertical direction is arranged at the top of the main driving motor (3), the first transmission gear (52) is located right above the main driving motor (3), the first transmission gear (52) is mounted in an inner cavity of a lock cylinder shell (1) through an axle center, a first transmission yielding groove (521) is formed in the first transmission gear (52), the top end part of the first transmission connecting rod (51) is movably embedded in the first transmission yielding groove (521) of the first transmission gear (52), and the main driving motor (3) drives the first transmission connecting rod (51) to reciprocate in the vertical direction to drive the first transmission gear (52) to rotate.
  3. 3. The double-motor linkage door lock structure according to claim 2, wherein a second transmission gear (53) is arranged at the upper left of the first transmission gear (52), the second transmission gear (53) is axially arranged inside the lock tongue mounting seat (21) through a bearing group, a transmission gear system (6) meshed with each other is formed by the first transmission gear (52) and a Zhou Junyi body outside the second transmission gear (53), the first transmission gear (52) drives the second transmission gear (53) to rotate through the transmission gear system (6), a transmission limiting chute (211) with an inclined angle is formed at the upper side of the lock tongue mounting seat (21), and the shaft end part of the second transmission gear (53) is limited in the transmission limiting chute (211) to drive the lock tongue mounting seat (21) to perform horizontal reciprocating linear motion through the second transmission gear (53).
  4. 4. The double-motor linkage door lock structure according to claim 1, wherein the top of the standby driving motor (4) is provided with a second transmission module (7), the second transmission module (7) comprises a second transmission connecting rod (71), a third transmission gear (72) and a fourth transmission gear (73), the top of the standby driving motor (4) is provided with the second transmission connecting rod (71) capable of reciprocating along the vertical direction, the third transmission gear (72) is axially arranged above the standby driving motor (4) through a bearing group, the third transmission gear (72) is provided with a second transmission yielding groove (721), the top end of the second transmission connecting rod (71) is movably embedded in the second transmission yielding groove (721) of the third transmission gear (72), and the standby driving motor (4) drives the second transmission connecting rod (71) to reciprocate in the vertical direction so as to drive the third transmission gear (72) to rotate.
  5. 5. The double-motor linkage door lock structure according to claim 4, wherein a fourth transmission gear (73) is installed on the upper right side of the third transmission gear (72) in an axial connection mode, transmission gear systems (6) meshed with each other are arranged on the peripheries of the third transmission gear (72) and the fourth transmission gear (73), and the third transmission gear (72) drives the fourth transmission gear (73) to rotate through power transmitted by the second transmission connecting rod (71).
  6. 6. The double-motor linkage door lock structure according to claim 5, wherein the clutch transmission device (8) is arranged at the shaft end of the fourth transmission gear (73), the clutch transmission device (8) comprises a limit sliding block (81) and a reset elastic element (82), a guide limit groove (731) is formed at the shaft end of the fourth transmission gear (73), the limit sliding block (81) is slidably arranged in the guide limit groove (731), the reset elastic element (82) is arranged between the limit sliding block (81) and the bottom of the guide limit groove (731), and the reset elastic element (82) applies an outward elastic force to the limit sliding block (81).
  7. 7. The double-motor linkage door lock structure according to claim 1, wherein a transition fillet structure (212) and a clutch clamping groove (213) are arranged at the lower part of the side of the lock tongue mounting seat (21), the clutch clamping groove (213) is positioned at the starting end of the transition fillet structure (212), when the standby driving motor (4) is started by the failure of the main driving motor (3), the standby driving motor (4) drives the second transmission connecting rod (71), the second transmission connecting rod (71) drives the third transmission gear (72), the third transmission gear (72) drives the fourth transmission gear (73) to rotate anticlockwise, the limit sliding block (81) is retracted into the limit groove (731) through the transition fillet structure (212), and when the lock tongue mounting seat moves to the position of the clutch clamping groove (213), the limit sliding block (81) is ejected under the action of the reset elastic element (82) and clamped into the clutch clamping groove (213) to realize clutch locking, and then the lock tongue mounting seat (21) is driven by the standby driving motor (4) to reciprocate in the horizontal direction.

Description

Double-motor linkage door lock structure Technical Field The utility model relates to the technical field of intelligent door locks, in particular to a double-motor linkage door lock structure. Background With the rapid development of intelligent security technology, the door lock is used as key equipment for guaranteeing safety, the automation and the intelligent degree are continuously improved, once a motor fails or encounters emergency such as power failure in the long-term use process of the traditional door lock driven by a single motor, the door lock can not be normally opened or closed, the use safety and the convenience are greatly influenced, although part of the door locks adopt a multi-motor cooperative driving mode to improve the reliability, the problems of complex motor control logic, low transmission efficiency, high cost and the like exist, the requirements of the market on the door lock with high performance and high cost performance are difficult to meet, under the background, the double-motor linkage door lock structure is generated, the linkage mechanism of a main driving motor and a standby driving motor and a matched gear transmission, clutch transmission and other systems are innovatively designed, the stability and the reliability of the door lock operation are effectively improved on the premise of not remarkably increasing the cost, and a high-efficiency and practical solution is provided for the intelligent security field. In the existing door lock driving technology, the transmission modules corresponding to the motors of most products often have the condition of mutual interference, when the main motor fails and starts the standby motor, independent driving cannot be realized, so that the standby motor is difficult to play an effective role, the door lock with the multiple transmission modules is partially provided, and due to unreasonable structural design, the power transmission among the modules lacks accurate control, so that the standby motor cannot stably output power when in intervention operation, mechanical component abrasion is possibly caused due to transmission confusion, and the service life and reliability of the door lock are influenced. For this reason, we propose a dual-motor linkage door lock structure to solve the above mentioned problems. Disclosure of utility model This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model. Therefore, the utility model aims to provide a double-motor linkage door lock structure, which can solve the problems that in the existing door lock driving technology, transmission modules corresponding to various motors of most products often interfere with each other, when a main motor fails and a standby motor is started, independent driving cannot be realized, so that the standby motor is difficult to exert an effective function, and the door lock with the multi-transmission modules is partially provided with the door lock, and because the structural design is unreasonable, power transmission among the modules lacks precise control, so that the standby motor cannot stably output power when in intervention operation, and mechanical component abrasion is possibly caused by transmission confusion, and the service life and reliability of the door lock are influenced. The technical scheme includes that the double-motor linkage door lock structure comprises a lock cylinder shell, wherein a limiting sliding rail is fixedly arranged on the inner wall of the lock cylinder shell through bolts, a lock tongue mounting seat capable of sliding back and forth in the horizontal direction of the lock tongue mounting seat is arranged on the limiting sliding rail, a plurality of lock tongue components are fixedly connected to the left side face of the lock tongue mounting seat, a main driving motor and a standby driving motor are arranged on the bottom side inside the lock tongue mounting seat, the main driving motor is connected with the lock tongue mounting seat through a gear transmission system and used for driving the lock tongue mounting seat to conduct reciprocating linear motion in the horizontal direction, the standby driving motor is in a standby state under the normal operation working condition of the main driving motor, and when the main driving motor is detected to stop operating, the standby driving motor starts to work to achieve the same transmission function as the main driving motor. Optionally, the main driving motor top is provided with first transmission module, first transmission module includes first transmission connecting rod, first drive gear, second drive gear, main driving motor top is equipped with the first transmission link assembly