Motor driving system of multi-point locking door lock

Through the multi-stage reduction gear set and dual-motor driven gear transmission system, the unbalanced load problem of multi-point locking door locks on the locking position is solved, stable and synchronous multi-point locking function is achieved, and the service life and reliability of the lock are improved.

CN223410614UActive Publication Date: 2025-10-03BEIJING JIU HE FENG CONSTR HARDWARE CO LTD
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Patent Information

Application Number
CN202422456993.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-10-03
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

Existing multi-point locking door locks are easily subjected to unbalanced loads at the locking position, resulting in damage to weak points, and have complex structures, loud transmission noises, and high failure rates.

Method used

It adopts a multi-stage reduction gear set and dual-motor structure, realizes multi-point locking by driving the gear transmission block through the motor, and combines the Hall signal and magnetic sensor for synchronous control to ensure the multi-point locking function and stability.

Benefits of technology

The stability and synchronization of multi-point locking are achieved, the complex structure and transmission noise are avoided, and the service life and reliability of the lock are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

A motor driving system of a multi-point locking door lock comprises a lower carrier 2 and an upper carrier 1, and the lower carrier 2 and the upper carrier 1 are fixed in a clamping mode and locked into a whole through screws. A circuit board groove is formed in the bottom of the lower carrier 2, a circuit board 14 is installed in the circuit board groove, and the outer side of the circuit board 14 is connected with a Hall signal sensor 5 and a magnetic sensor 3; a motor groove is formed in the middle of the lower carrier 2, and two motors 13 are installed in the motor groove. A gear groove is formed in the upper portion of the lower carrier 2, a multi-stage reduction gear set composed of a plurality of fixed gears is installed in the gear groove, the input end of the multi-stage reduction gear set is connected to an output shaft of the motor 13, and the output end of the multi-stage reduction gear set is connected to the gear transmission block 4.
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Description

Technical Field

[0001] The utility model relates to the field of door lock driving, in particular to a driving system, a transmission system or a motor driver for driving upper and lower auxiliary locks and a central control lock body, and in particular to a motor driving system for a multi-point locking door lock. Background Art

[0002] A variety of door locks are known in the art that include an engagement mechanism between a door and an adjacent surface, such as a door card slot or an opposing mating door. This mechanism is typically mounted within the door and includes a door arm that inserts into an opening in the door card slot or adjacent surface when the door is closed. In addition to the arm, the lock can include either a deadbolt door or a spring-loaded door that is actuated by a user operating a door handle. A problem with prior art systems is that the center of the door, where the deadbolt door is located, experiences uneven loading from a locking standpoint, creating a vulnerable point from a security standpoint.

[0003] There remains a need in the art for a multi-point locking system having increased strength, ease of use, and a reliable mechanical design that is suitable for a variety of door handle types and categories. Utility Model Content

[0004] In order to solve the above problems in the prior art, the present invention provides a multi-point lock drive system / control system.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A motor drive system for a multi-point locking door lock comprises a lower carrier 2 and an upper carrier 1, wherein the lower carrier 2 and the upper carrier 1 are fixed in a snap-fitting manner and are fastened together by screws;

[0007] A motor slot is provided in the middle of the lower carrier 2, in which two motors 13 are mounted in a snap-fit ​​manner. The inner contour of the motor slot is adapted to the outer contour of the motor 13. After the lower carrier 2 and the upper carrier 1 are snap-fitted and fixed, the motor 13 is fixed in the motor slot.

[0008] A gear groove is provided on the upper part of the lower carrier 2, in which a multi-stage reduction gear set consisting of several fixed gears is installed. The input end of the multi-stage reduction gear set is connected to the output shaft of the motor 13, and the output end of the multi-stage reduction gear set is connected to the gear transmission block 4.

[0009] The utility model also has the following additional technical features:

[0010] As a further specific optimization of the technical solution of the present invention: a motor connecting shaft 12 is fixedly installed on the output shaft of the motor 13 with an interference fit, wherein the bottom of the motor connecting shaft 12 is hollow and is directly outermost on the top of the output shaft of the motor 13, and the inner diameter of the hollow bottom of the motor connecting shaft 12 is smaller than the outer diameter of the top of the output shaft of the motor 13; a motor gear 11 is fixedly installed on the top of the motor connecting shaft 12 with an interference fit, wherein the bottom of the motor gear 11 is hollow and is directly outermost on the top of the motor connecting shaft 12, and the inner diameter of the hollow bottom of the motor gear 11 is smaller than the outer diameter of the top of the motor connecting shaft 12.

[0011] As a further specific optimization of the technical solution of the present utility model: the multi-stage reduction gear set includes a bevel gear 10, a first-stage reduction gear 6, a second-stage reduction gear 7, a third-stage reduction gear 8 and a transmission gear 9; wherein the gear of the motor gear 11 is meshedly connected to the input gear of the bevel gear 10, the output gear of the bevel gear 10 is meshedly connected to the input gear of the first-stage reduction gear 6, the output gear of the first-stage reduction gear 6 is meshedly connected to the input gear of the second-stage reduction gear 7, the output gear of the second-stage reduction gear 7 is meshedly connected to the input gear of the third-stage reduction gear 8, and the output gear of the third-stage reduction gear 8 is meshedly connected to the transmission gear 9 , the transmission gear 9 is simultaneously meshed and connected to the gear transmission block 4; wherein the bevel gear 10, the first-stage reduction gear 6, the second-stage reduction gear 7, the third-stage reduction gear 8 and the transmission gear 9 are all fixed gears, and are respectively installed in the corresponding positions in the gear groove through fixed shafts, and the outer diameters of the fixed shafts are respectively smaller than the through holes in the middle parts of the corresponding bevel gears 10, the first-stage reduction gear 6, the second-stage reduction gear 7, the third-stage reduction gear 8 and the transmission gear 9, that is, the bevel gear 10, the first-stage reduction gear 6, the second-stage reduction gear 7, the third-stage reduction gear 8 and the transmission gear 9 all rotate in a circle along the corresponding fixed shaft as the center line.

[0012] As a further specific optimization of the technical solution of the present invention: a linear rack is provided on the side of the driving gear transmission block 4, the linear rack of the driving gear transmission block 4 is meshed and connected with the transmission gear 9, and the motor 13 indirectly drives the gear transmission block 4 to slide up and down.

[0013] As a further specific optimization of the technical solution of the utility model: it also includes a driving rod 15 installed on the gear transmission block 4 at the same time, wherein a gear transmission block groove is provided on the top of the driving rod 15, and the gear transmission block 4 is slidingly installed in the gear transmission block groove, and the gear transmission block 4 can slide up and down in the gear transmission block groove.

[0014] As a further specific optimization of the technical solution of the present invention: a circuit board slot is further provided at the bottom of the lower carrier 2, a circuit board 14 is installed in the circuit board slot by screws, and the outer side of the circuit board 14 is electrically connected to the Hall signal sensor 5 and the magnetic sensor 3.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The utility model also includes a drive rod 15 installed on the outside of the gear transmission block 4, which connects the central lock 17 with the upper additional lock 16 and the lower additional lock 18 (the gear transmission block 4 or the motor drive system), thereby achieving the purpose of synchronous operation of the upper additional lock 16, the lower additional lock 18 and the central lock 17.

[0017] The utility model has a central lock 17, an upper additional lock 16 and a lower additional lock 18 to ensure that the door leaf has a multi-point locking function; there is at least one automatic locking additional lock, and when the door leaf reaches the closed position, the motor drive system automatically drives each locking point to move from the unlocked state to the locked position.

[0018] This new model, through its cleverly designed motor drive system, easily switches multiple lock points. It boasts a simple structure and stable quality, avoiding the common problems of complex structure, loud transmission noise, and high failure rates. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the multi-locking point structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the parts structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the transmission structure of the utility model.

[0024] Explanation of the accompanying drawings: upper carrier 1, lower carrier 2, magnetic sensor 3, gear transmission block 4, Hall signal sensor 5, first-stage reduction gear 6, second-stage reduction gear 7, third-stage reduction gear 8, transmission gear 9, bevel gear 10, motor gear 11, motor connecting shaft 12, motor 13, circuit board 14, drive rod 15, central control lock 17 and upper additional lock 16, lower additional lock 18. DETAILED DESCRIPTION

[0025] The following will describe in more detail exemplary embodiments of the present invention with reference to the accompanying drawings. These embodiments are intended to provide a more thorough understanding of the present invention and to convey the scope of the present invention to those skilled in the art. Although the accompanying drawings show exemplary embodiments of the present invention, it should be understood that the present invention is not limited to the embodiments described herein.

[0026] Example 1

[0027] A motor drive system for a multi-point locking door lock includes a lower carrier 2 and an upper carrier 1, the lower carrier 2 and the upper carrier 1 are fixed by snap-fitting and locked into one body by screws; a motor slot is provided in the middle of the lower carrier 2, and two motors 13 are snap-fitted and installed in the motor slot, the inner contour of the motor slot is adapted to the outer contour of the motor 13, and the motor 13 is fixed in the motor slot after the lower carrier 2 and the upper carrier 1 are snap-fitted and fixed; a gear slot is provided on the upper part of the lower carrier 2, and a multi-stage reduction gear set consisting of several fixed gears is installed in the gear slot, the input end of the multi-stage reduction gear set is connected to the output shaft of the motor 13, and the output end of the multi-stage reduction gear set is connected to the gear transmission block 4.

[0028] The motor connecting shaft 12 is fixedly installed on the output shaft of the motor 13 with an interference fit, wherein the bottom of the motor connecting shaft 12 is hollow and is directly mounted on the top of the output shaft of the motor 13, and the inner diameter of the hollow bottom of the motor connecting shaft 12 is smaller than the outer diameter of the top of the output shaft of the motor 13; the motor gear 11 is fixedly installed on the top of the motor connecting shaft 12 with an interference fit, wherein the bottom of the motor gear 11 is hollow and is directly mounted on the top of the motor connecting shaft 12, and the inner diameter of the hollow bottom of the motor gear 11 is smaller than the outer diameter of the top of the motor connecting shaft 12.

[0029] The multi-stage reduction gear set includes a bevel gear 10, a first-stage reduction gear 6, a second-stage reduction gear 7, a third-stage reduction gear 8 and a transmission gear 9; wherein the gear of the motor gear 11 is meshed and connected to the input gear of the bevel gear 10, the output gear of the bevel gear 10 is meshed and connected to the input gear of the first-stage reduction gear 6, the output gear of the first-stage reduction gear 6 is meshed and connected to the input gear of the second-stage reduction gear 7, the output gear of the second-stage reduction gear 7 is meshed and connected to the input gear of the third-stage reduction gear 8, the output gear of the third-stage reduction gear 8 is meshed and connected to the transmission gear 9, and the transmission gear 9 is meshed at the same time Connected to the gear transmission block 4; wherein the bevel gear 10, the first-stage reduction gear 6, the second-stage reduction gear 7, the third-stage reduction gear 8 and the transmission gear 9 are all fixed gears, and are respectively installed in the corresponding positions in the gear groove through fixed shafts, and the outer diameters of the fixed shafts are respectively smaller than the through holes in the middle parts of the corresponding bevel gears 10, the first-stage reduction gear 6, the second-stage reduction gear 7, the third-stage reduction gear 8 and the transmission gear 9, that is, the bevel gear 10, the first-stage reduction gear 6, the second-stage reduction gear 7, the third-stage reduction gear 8 and the transmission gear 9 all rotate in a circle along the corresponding fixed shaft as the center line.

[0030] A linear rack is provided on the side of the driving gear transmission block 4 , and the linear rack of the driving gear transmission block 4 is meshed and connected with the transmission gear 9 , and the motor 13 indirectly drives the gear transmission block 4 to slide up and down.

[0031] It also includes a driving rod 15 installed on the gear transmission block 4 at the same time, wherein a gear transmission block slot is provided on the top of the driving rod 15, and the gear transmission block 4 is slidably installed in the gear transmission block slot, and the gear transmission block 4 can slide up and down in the gear transmission block slot.

[0032] Example 2

[0033] A motor drive system for a multi-point locking door lock can drive a multi-point lock with upper and lower secondary locks and a central control lock, including a lower carrier 2 and an upper carrier 1, which are fixed in a snap-fitting manner and fastened into one body by screws; a circuit board slot is provided at the bottom of the lower carrier 2, in which a circuit board 14 is installed, and a Hall signal sensor 5 and a magnetic sensor 3 are connected to the outside of the circuit board 14, and the position signal is transmitted and processed through the magnet of the magnetic sensor 3 and the Hall signal of the Hall signal sensor 5.

[0034] The circuit board 14 is a CONTROL model produced by Beijing Jiuhefeng Building Hardware Co., Ltd. The Hall signal sensor 5 is a DH8105 model produced by Wuxi Disi Electronic Technology Co., Ltd. The magnetic sensor 3 is a GPS01 model produced by Shenzhen Sanxin Microelectronics Co., Ltd.

[0035] A motor slot is provided in the middle of the lower carrier 2, in which two motors 13 are installed. The utility model adopts a dual-motor structure, so when one of the motors 13 has a problem, the second motor 13 can still work normally.

[0036] A gear slot is provided on the upper portion of the lower carrier 2, into which is mounted a multi-stage reduction gear set consisting of several fixed gears. The input end of the multi-stage reduction gear set is connected to the output shaft of the motor 13, and the output end of the multi-stage reduction gear set is connected to the gear transmission block 4. The gear transmission block 4 is driven by the last stage transmission gear 9 after the motor 13 reduces speed through the multi-stage reduction gear set, thereby controlling the locking and unlocking of the locking point of the gear transmission block 4.

[0037] The motor connecting shafts 12 are mounted on the output shafts of the two motors 13 , and the motor gears 11 are mounted on the tops of the motor connecting shafts 12 . The motors 13 indirectly drive the gear transmission block 4 to slide up and down.

[0038] The multi-stage reduction gear set includes a bevel gear 10, a first-stage reduction gear 6, a second-stage reduction gear 7, a third-stage reduction gear 8, and a transmission gear 9; wherein the gear of the motor gear 11 is connected to the input gear of the bevel gear 10, the output gear of the bevel gear 10 is connected to the input gear of the first-stage reduction gear 6, the output gear of the first-stage reduction gear 6 is connected to the input gear of the second-stage reduction gear 7, the output gear of the second-stage reduction gear 7 is connected to the input gear of the third-stage reduction gear 8, the output gear of the third-stage reduction gear 8 is connected to the transmission gear 9, and the transmission gear 9 is also connected to the gear transmission block 4. The final drive is a gear rack drive between the transmission gear 9 and the gear transmission block 4, which has strong power, accurate positioning, and flexible disassembly.

[0039] The present invention comprises at least a gear transmission block 4, which can drive the door lock of the upper additional lock 16 and the lower additional lock 18. When the door leaf reaches the closed position, the motor 13 drives the gear transmission block 4 from the unlocked position to the locked position. When the door lock is opened, the motor 13 drives the gear transmission block 4 from the locked position to the unlocked position.

[0040] The utility model also includes a drive rod 15 installed on the outside of the gear transmission block 4, which connects the central lock 17 with the upper additional lock 16 and the lower additional lock 18, so as to achieve the purpose of synchronous operation of the upper additional lock 16, the lower additional lock 18 and the central lock 17.

[0041] In addition to the records of the above-mentioned Examples 1 and 2, it should be noted that, first of all, the "gear groove, multi-stage reduction gear set, motor, motor gear, bevel gear, three-stage reduction gear, gear transmission block" and other devices are all conventional components in this technical field, and people in this technical field are fully aware of the assembly methods therebetween.

[0042] Secondly, the instruction manual is attached Figure 3 and instructions attached Figure 4 , a detailed exploded structural diagram of each component has been provided. The "gear slot, multi-stage reduction gear set, motor, motor gear, bevel gear, three-stage reduction gear, and gear transmission block" all have corresponding installation locations in the lower carrier 2 and the upper carrier 1. For example, the motor is snap-fitted into the motor slots of the lower carrier 2 and the upper carrier 1, and this is a method of assembly that is fully known to those skilled in the art. For another example, the multi-stage reduction gear set, motor gear, bevel gear, and three-stage reduction gear are all different types of gears, and the connection between the gears is definitely meshing transmission, and this is a method of assembly that is fully known to those skilled in the art.

[0043] Finally, a utility model patent protects the specific structure of a product. The installation method or method is not protected by a utility model patent. Furthermore, since those skilled in the art are fully aware of the assembly method, there is no need to elaborate on the connection relationship.

Claims

1. A motor drive system for a multi-point locking door lock, characterized in that: It comprises a lower carrier (2) and an upper carrier (1), wherein the lower carrier (2) and the upper carrier (1) are fixed in a snap-fit ​​manner and are fastened into one body by screws; A motor slot is provided in the middle of the lower carrier (2), and two motors (13) are mounted in the motor slot in a snap-fit ​​manner. The inner contour of the motor slot is adapted to the outer contour of the motor (13). After the lower carrier (2) and the upper carrier (1) are snap-fitted and fixed, the motor (13) is fixed in the motor slot. The upper portion of the lower carrier (2) is provided with a gear groove, in which a multi-stage reduction gear set consisting of several fixed gears is installed. The input end of the multi-stage reduction gear set is connected to the output shaft of the motor (13), and the output end of the multi-stage reduction gear set is connected to the gear transmission block (4).

2. The motor drive system for a multi-point locking door lock according to claim 1, characterized in that: A motor connecting shaft (12) is fixedly mounted on the output shaft of the motor (13) in an interference fit manner, wherein the bottom of the motor connecting shaft (12) is hollow and is directly mounted on the top of the output shaft of the motor (13), and the inner diameter of the hollow bottom of the motor connecting shaft (12) is smaller than the outer diameter of the top of the output shaft of the motor (13); and a motor gear (11) is fixedly mounted on the top of the motor connecting shaft (12) in an interference fit manner, wherein the bottom of the motor gear (11) is hollow and is directly mounted on the top of the motor connecting shaft (12), and the inner diameter of the hollow bottom of the motor gear (11) is smaller than the outer diameter of the top of the motor connecting shaft (12).

3. The motor drive system for a multi-point locking door lock according to claim 1, wherein: The multi-stage reduction gear set comprises a bevel gear (10), a first-stage reduction gear (6), a second-stage reduction gear (7), a third-stage reduction gear (8) and a transmission gear (9); wherein the gear of the motor gear (11) is meshedly connected to the input gear of the bevel gear (10), the output gear of the bevel gear (10) is meshedly connected to the input gear of the first-stage reduction gear (6), the output gear of the first-stage reduction gear (6) is meshedly connected to the input gear of the second-stage reduction gear (7), the output gear of the second-stage reduction gear (7) is meshedly connected to the input gear of the third-stage reduction gear (8), the output gear of the third-stage reduction gear (8) is meshedly connected to the transmission gear (9), and the transmission gear (9) is meshed simultaneously. The invention is connected to the gear transmission block (4); wherein the bevel gear (10), the first-stage reduction gear (6), the second-stage reduction gear (7), the third-stage reduction gear (8) and the transmission gear (9) are all fixed gears, and are respectively installed at corresponding positions in the gear groove through fixed shafts, and the outer diameter of the fixed shaft is smaller than the through hole in the middle part of the corresponding bevel gear (10), the first-stage reduction gear (6), the second-stage reduction gear (7), the third-stage reduction gear (8) and the transmission gear (9), that is, the bevel gear (10), the first-stage reduction gear (6), the second-stage reduction gear (7), the third-stage reduction gear (8) and the transmission gear (9) all rotate in a circle along the corresponding fixed shaft as the center line.

4. The motor drive system for a multi-point locking door lock according to claim 3, wherein: A linear rack is provided on the side of the gear transmission block (4), the linear rack of the gear transmission block (4) is meshed and connected with the transmission gear (9), and the motor (13) indirectly drives the gear transmission block (4) to slide up and down.

5. The motor drive system for a multi-point locking door lock according to claim 4, characterized in that: The invention also includes a driving rod (15) which is simultaneously installed on the gear transmission block (4), wherein a gear transmission block slide groove is provided on the top of the driving rod (15), the gear transmission block (4) is slidably installed in the gear transmission block slide groove, and the gear transmission block (4) can slide up and down in the gear transmission block slide groove.

6. The motor drive system for a multi-point locking door lock according to claim 1, characterized in that: The bottom of the lower carrier (2) is also provided with a circuit board slot, in which a circuit board (14) is installed by screws, and the outer side of the circuit board (14) is electrically connected to a Hall signal sensor (5) and a magnetic sensor (3).