Intelligent lock body based on motor driving
By using a modularly designed motor-driven smart lock body, the problems of numerous parts, cumbersome assembly, and high failure rate of traditional smart locks are solved, achieving the effects of reduced parts, simpler assembly, and lower failure rate.
Patent Information
- Application Number
- CN202520295650.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Traditional smart locks use complex gear transmission or electromagnetic drive structures, resulting in a large number of parts, complicated assembly, and high failure rate.
The modular design of the motor-driven smart lock body, including a servo motor, rack and pinion push rod, and lock tongue, simplifies the structure and reduces the number of parts through modular design and rib-track coordination.
This design reduces the number of parts, simplifies assembly, lowers the failure rate, and features a compact structure that extends motor life.
Smart Images

Figure CN223880929U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to intelligent lock technical field especially, it is a kind of intelligent lock body based on motor drive. BACKGROUND
[0002] With the development of society and the progress of science and technology, intelligent era comes, and the technology of door lock is also connected with intelligence, so there are a large number of fingerprint identification lock, password lock, magnetic card lock and other intelligent locks on the market, which are all controlled by PCB mainboard to control the extension of lock.
[0003] The traditional intelligent lock adopts complex gear transmission or electromagnetic drive structure, resulting in many parts, complicated assembly and high failure rate. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of intelligent lock body based on motor drive to solve the following shortcomings in prior art, adopt complex gear transmission or electromagnetic drive structure, resulting in many parts, complicated assembly and high failure rate, and are presented.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A kind of intelligent lock body based on motor drive, including shell, the shell at least includes face shell, bottom shell, locking module is arranged in the face shell, the two sides of the locking module are respectively provided with the drive module and power supply module installed in shell;
[0007] The locking module includes rack push rod arranged in the shell and slidingly connected, the drive module drives rack push rod to slide, rack push rod is slidingly connected with custom screw, one end of the custom screw is threadedly connected with lock tongue that can extend outside face shell, spring is arranged on custom screw between the rack push rod on the side of lock tongue.
[0008] Preferably, the drive module includes a servo motor mounted on the face shell, the servo motor is fixed on the face shell by motor fixing part, and a circular gear engagingly connected with the rack push rod is installed at the output end of the face shell.
[0009] Preferably, the power supply module includes a battery slot opened in the face shell, a battery is installed in the battery slot, and the battery is electrically connected with an electrode installed on the side wall of the battery slot, and the battery slot is slidingly connected with a battery cover.
[0010] Preferably, the face shell is further provided with a bone site two, and the bottom side wall of the rack push rod is provided with a sliding rail and engaged on the bone site two.
[0011] Preferably, a bone site one is further installed on the inner side wall of the bottom shell, and the bone site one is used for limiting the limit displacement position of the rack push rod.
[0012] Preferably, a handle is externally connected to the shell body, and a PCB mainboard is internally arranged in the handle, and the PCB mainboard is electrically connected with the servo motor and the electrode through connecting wires.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. Modular design can reduce space ratio and support rapid assembly, reduce production cost, drive module, power supply module and locking module are integrated in the face shell, and the structure is compact.
[0015] 2. Simple structure combined with modular design, assembly is more smooth and simple, and the large amount of parts reduces the failure rate.
[0016] 3. The track cooperation of the bone site and the rack push rod avoids the deviation or jamming of the push rod, and prolongs the service life of the motor. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 An explosion structure schematic view of the intelligent lock body based on motor driving is provided for the utility model;
[0018] Figure 2 A top view structure schematic view of the intelligent lock body based on motor driving is provided for the utility model;
[0019] Figure 3 A three-dimensional structure schematic view of the intelligent lock body based on motor driving is provided for the utility model;
[0020] Figure 4 A local three-dimensional structure schematic view of the lock tongue is provided.
[0021] In the drawing: 1 bottom shell, 2 motor fixing piece, 3 servo motor, 4 rack push rod, 5 spring, 6 customized screw, 7 lock tongue, 8 face shell, 9 electrode, 10 battery, 11 battery cover, 12 bone site one, 13 bone site two. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0023] The terms such as "upper", "lower", "left", "right", "middle" and "one" cited in the utility model, are only for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also considered as the scope of the utility model without substantial change of the technical content.
[0024] Referring to Figures 1-4 A kind of intelligent lock body based on motor drive, including shell, shell at least includes face shell 8, bottom shell 1 and face shell 8, locking module is provided in face shell 8, the two sides of locking module are respectively provided with driving module and power module installed in shell, driving module includes servo motor 3 installed on face shell 8, servo motor 3 is fixed on face shell 8 by motor fixing piece 2, the output end of face shell 8 is installed with the circular gear meshing connection with rack push rod 4, motor fixing piece 2 is fixedly connected on face shell 8 by screw, when servo motor 3 starts, it will drive circular gear to rotate, power module includes battery slot opened in face shell 8, battery 10 is installed in battery slot, battery 10 is electrically connected with electrode 9 installed on the side wall of battery slot, battery cover 11 is slidably connected on battery slot, power supply can be carried out using battery 10, the structure involved in power module belongs to prior art, and the working principle is not described in detail.
[0025] The modular design of the structure in the lock body can reduce the space ratio, and the compact structure, for the design of power module, when the battery is disassembled, the lock body does not need to be disassembled, and the battery cover 11 is directly slid out to replace the battery.
[0026] Locking module includes rack push rod 4 slidably connected in shell, the part of rack push rod 4 and circular gear contact is provided with matching gear, and is arranged in strip, driving module drives rack push rod 4 to slide, rack push rod 4 is slidably connected with custom screw 6, as shown in Figure 4 One end of custom screw 6 is provided with a thread, one end of custom screw 6 is threadedly connected with lock tongue 7 which can extend out of face shell 8, spring 5 is arranged on custom screw 6 between one side of lock tongue 7 and rack push rod 4, the working principle of locking module is that, when servo motor 3 is powered on and starts, it drives circular gear to rotate, so that the rack push rod 4 meshing with it slides, for example, servo motor 3 rotates forward, rack push rod 4 moves forward, drives custom screw 6 to move forward, so that lock tongue 7 extends out of face shell 8, servo motor 3 reverses, and lock tongue 7 is retracted into face shell 8, the structure is simple, combined with modular design, and the assembly is more smooth and simple, and the large number of parts reduces the failure rate.
[0027] Bone site two 13 is further provided on face shell 8, the bottom side wall of rack push rod 4 is provided with sliding rail and is engaged on bone site two 13, which can ensure that rack push rod 4 is more stable when moving in a straight line.
[0028] The inner side wall of the bottom shell 1 is further provided with a bone position 12, which is used for limiting the limit displacement position of the rack push rod 4, and the end of the rack push rod 4 is limited by the bone position 12 to prevent displacement from exceeding the limit.
[0029] The handle is externally connected with the shell, the handle is internally provided with a PCB mainboard, the PCB mainboard is electrically connected with the servo motor 3 and the electrode 9 through connecting lines, only motor connecting lines and battery connecting lines are required to realize line docking, the number of wiring in the face shell 8 is reduced, the equipment related to the PCB mainboard belongs to the prior art and can be purchased on the market, and the working principle is not described in detail.
[0030] In the utility model, unless another definite provision and limitation, the terms "installation", "connection", "connection", "fixation" and the like terms should be broadly understood.
[0031] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change are covered in the protection scope of the utility model.
Claims
1. A motor drive based intelligent lock body comprising a housing, said housing comprising at least a face housing (8), a bottom housing (1), characterized in that The face shell (8) is internally provided with a locking module, two sides of the locking module are respectively provided with a driving module and a power supply module installed in the shell; The locking module comprises a rack push rod (4) which is slidingly connected in the shell, the driving module drives the rack push rod (4) to slide, the rack push rod (4) is slidingly connected with a customized screw (6) in the rack push rod (4), one end of the customized screw (6) is threadedly connected with a lock tongue (7) which can extend out of the face shell (8), one side of the lock tongue (7) is provided with a spring (5) sleeved on the customized screw (6) between the rack push rods (4).
2. The motor drive based intelligent lock body of claim 1, wherein, The driving module comprises a servo motor (3) installed on the face shell (8), the servo motor (3) is fixed on the face shell (8) through a motor fixing piece (2), and the output end of the face shell (8) is installed with a circular gear which is in meshing connection with the rack push rod (4).
3. The motor drive based intelligent lock body of claim 2, wherein, The power supply module comprises a battery slot opened in the face shell (8), the battery slot is internally installed with a battery (10), the battery (10) is electrically connected with an electrode (9) installed on the side wall of the battery slot, and the battery slot is slidingly connected with a battery cover (11).
4. The motor drive based intelligent lock body of claim 3, wherein, The face shell (8) is further provided with a bone site two (13), the bottom side wall of the rack push rod (4) is provided with a sliding track and is clamped on the bone site two (13).
5. The motor drive based intelligent lock body of claim 4, wherein, The inner side wall of the bottom shell (1) is further installed with a bone site one (12), and the bone site one (12) is used for limiting the limit displacement position of the rack push rod (4).
6. The motor drive based intelligent lock body of claim 5, wherein, A handle is connected to the shell, a PCB mainboard is arranged in the handle, and the PCB mainboard is electrically connected with the servo motor (3) and the electrode (9) through connecting wires.