Intelligent door lock with door frame magnetic attraction contact power supply structure

Abstract

The invention discloses an intelligent door lock with a door frame magnetic attraction contact power supply structure, and relates to the technical field of intelligent door locks, the intelligent door lock comprises a door lock panel and a lock catch plate, a handle is arranged below the front end of the door lock panel, a touch panel is arranged in the middle of the upper end of the door lock panel, a camera is further arranged in the upper end of the door lock panel, and the lock catch plate is connected with the door lock panel. A mounting block is arranged at the rear end of the door lock panel, a connecting frame is arranged between the front end of the mounting block and the rear end of the door lock panel, a magnetic attraction contact box is arranged at the upper end of the mounting block, two sets of magnetic attraction touch heads are arranged in the middle of the interior of the magnetic attraction contact box, and electric contact heads are arranged in the middles of the two sets of magnetic attraction touch heads. A mounting plate is arranged on the rear portion of the interior of the magnetic attraction contact box. According to the intelligent door lock with the door frame magnetic attraction contact power supply structure, power can be automatically supplied to the door lock when the door is closed, and the door lock can automatically lock the door.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent door locks, and particularly to an intelligent door lock with a door frame magnetic contact power supply structure. Background Art

[0002] An intelligent door lock is a high-tech product that combines modern electronic technology, information technology, and mechanical manufacturing technology. Based on traditional door locks, it has realized various convenient unlocking methods, such as fingerprint recognition, password input, card swiping, mobile phone remote control, etc. At the same time, it also has functions such as recording unlocking records, real-time monitoring, and abnormal alarm, providing users with a more secure, convenient, and intelligent door lock solution, and improving the security and convenience of homes and workplaces.

[0003] When the existing intelligent door locks are in use, they usually have built-in batteries. The batteries still supply power to the door locks after the door is opened, and when the door is closed, people need to manually operate to lock the safety lock tongue of the door lock, which will cause the battery power of the intelligent door lock to consume too fast, and it is also troublesome for people to lock the safety lock usually. To solve the deficiencies of the existing technology, we propose an intelligent door lock with a door frame magnetic contact power supply structure. Summary of the Invention

[0004] The main purpose of the present invention is to provide an intelligent door lock with a door frame magnetic contact power supply structure, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0006] An intelligent door lock with a magnetic contact power supply structure for the door frame, comprising a door lock panel and a lock catch plate. A handle is provided below the front end of the door lock panel. A touch panel is provided in the middle of the upper end of the door lock panel. A camera is also provided inside the upper end of the door lock panel. An installation block is provided at the rear end of the door lock panel. A connection frame is provided between the front end of the installation block and the rear end of the door lock panel. A magnetic contact box is provided at the upper end of the installation block. Two groups of magnetic contact heads are provided in the middle of the magnetic contact box. Electric contact heads are provided in the middle of the two groups of magnetic contact heads. An installation plate is provided at the rear of the magnetic contact box. A first spring is provided between the rear ends of the two groups of magnetic contact heads and the installation plate respectively. A first wire is provided between the two first springs respectively. The two ends of the first wire are connected to the installation plate and the rear end of the electric contact head respectively. A power supply box is provided at the upper end of the lock catch plate. A battery is provided inside the power supply box. Two groups of magnetic docking heads are provided at the front end of the battery. A second wire is provided between the rear ends of the two groups of magnetic docking heads and the battery respectively. Two groups of first limit strips are provided on the rear side walls of the rear ends of the two groups of magnetic contact heads. A voltage stabilizing circuit board is provided above the inside of the door lock panel. A main control chip is provided in the middle of the inside of the door lock panel. A communication module is provided below the inside of the door lock panel. Three groups of safety lock tongues and a movable lock tongue are provided in the middle of the front side wall of the installation block. The movable lock tongue is above the three groups of safety lock tongues. A first lock catch box and a second lock catch box are provided in the middle of the lock catch plate. The second lock catch box is between the first lock catch box and the power supply box.

[0007] Preferably, a push rod is provided inside the installation block at the rear end of each of the three groups of safety lock tongues. A movable plate is provided at the rear ends of the three push rods. A threaded rod is provided in the middle of the rear end of the movable plate. A threaded sleeve is provided on the outer wall of the rear end of the threaded rod. A group of limit telescopic rods are provided on the upper and lower sides of the rear end of the movable plate. A fixed plate is provided at the rear ends of the two groups of limit telescopic rods and the threaded sleeve. A motor is provided in the middle of the rear end of the fixed plate. The motor is connected to the threaded sleeve. The motor, the fixed plate, the threaded sleeve, the threaded rod, the limit telescopic rod and the movable plate are all installed inside the installation block. Two groups of second limit strips are provided on the rear side walls of the rear ends of the three groups of safety lock tongues. A second spring is provided at the rear end of the movable lock tongue. A connecting plate is provided at the rear end of the second spring. An electric telescopic rod is provided between the rear end of the connecting plate and the inner wall of the installation block. Three groups of third limit strips are provided on the upper and lower outer walls at the rear side of the movable lock tongue.

[0008] Preferably, there are movable holes provided between the movable locking tongue and the side walls of the three groups of safety locking tongues and the door lock panel. The movable locking tongue and the three groups of safety locking tongues are respectively movably connected to the side walls of the mounting block through the provided movable holes. There is a movable hole between the magnetic attraction touch head and the side wall of the magnetic attraction contact box. The magnetic attraction touch head is movably connected to the side wall of the magnetic attraction contact box through the provided movable hole.

[0009] Preferably, both the magnetic attraction touch head and the magnetic attraction docking head are made of magnetic materials. The magnetic attraction touch head is magnetically connected to the magnetic attraction docking head. Both ends of the first spring are respectively connected to the mounting plate and the rear end of the magnetic attraction touch head. A conductive material is provided in the middle of the magnetic attraction docking head.

[0010] Preferably, the main control chip is of a high-performance microprocessor architecture, and the communication module supports Bluetooth and wireless network communication protocols.

[0011] Preferably, the movable locking tongue is movably connected to the second lock box, and the safety locking tongue is movably connected to the first lock box.

[0012] Preferably, there is a movable groove provided between the movable plate and the inner wall of the mounting block. The movable plate is movably connected to the inner wall of the mounting block through the provided movable groove. The threaded rod is threadedly connected to the inner wall of the threaded sleeve. There is a rotating interface provided between the rear end of the threaded sleeve and the fixing plate. The rear end of the threaded sleeve is rotatably connected to the fixing plate through the provided rotating interface. The fixing plate is rotatably connected to the inner wall of the mounting block.

[0013] Preferably, the movable locking tongue is elastically movably connected to the inner wall of the mounting block through the provided second spring. The back surface of the movable locking tongue is an arc surface. The electric telescopic rod is electrically connected to the magnetic attraction contact box.

[0014] Preferably, there is a connecting wire provided between the magnetic attraction contact box and the motor. The magnetic attraction contact box and the motor are electrically connected through the provided connecting wire.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, the provided magnetic attraction contact box, magnetic attraction touch head, power supply box and magnetic attraction docking head can enable the smart door lock to be automatically powered through magnetic attraction docking when closing the door, realizing the operation of locking the door, making the operation of locking the door more automated and more convenient. And when opening the door, the magnetic attraction contact will automatically disconnect, which can save power for the battery and make the service life of the battery longer.

[0017] 2. In the present invention, the movable plate, the threaded rod, the threaded sleeve and the limit telescopic rod are arranged to control the motor to work through magnetic control and electric control, and then control the activities of the three safety lock tongues. The three safety lock tongues move in the middle of the side wall of the mounting block and can extend into the interior of the first lock box in the lock buckling plate, realizing the operation of closing and locking the door, making the activities of the safety lock tongues more automated.

[0018] 3. In the present invention, the touch panel and the camera are arranged to open the door by password and face scan. Through the processing of the voltage stabilizing circuit board and the main control chip, the intelligent door lock is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 is a schematic diagram of the structure of the mounting block of the present invention;

[0021] Figure 3 is an exploded schematic diagram of the connection structure of the magnetic touch head and the magnetic docking head of the present invention;

[0022] Figure 4 is a schematic diagram of the internal structure of the door lock panel of the present invention;

[0023] Figure 5 is a schematic diagram of the connection structure of the safety lock tongue of the present invention;

[0024] Figure 6 is a schematic diagram of the connection structure of the movable lock tongue of the present invention;

[0025] In the figure: 1. Door lock panel; 2. Handle; 3. Touch panel; 4. Camera; 5. Mounting block; 6. Lock buckling plate; 7. First lock box; 8. Second lock box; 9. Power supply box; 10. Connection frame; 11. Magnetic contact box; 12. Electric contact head; 13. Safety lock tongue; 14. Movable lock tongue; 15. Magnetic touch head; 16. First spring; 17. First wire; 18. Mounting plate; 19. First limit strip; 20. Battery; 21. Magnetic docking head; 22. Second wire; 23. Voltage stabilizing circuit board; 24. Main control chip; 25. Communication module; 26. Second limit strip; 27. Push rod; 28. Movable plate; 29. Limit telescopic rod; 30. Threaded rod; 31. Threaded sleeve; 32. Fixed plate; 33. Motor; 34. Third limit strip; 35. Second spring; 36. Connecting plate; 37. Electric telescopic rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0027] As Figures 1-6 shown, the door lock panel 1 is used to be installed on the door, and the lock catch plate 6 is used to be installed on the door frame, with the same height as the door lock panel 1. A handle 2 is provided below the front end of the door lock panel 1, and the handle 2 is used to facilitate people to open the door. A touch panel 3 is provided in the middle of the upper end of the door lock panel 1, and the touch panel 3 is used to input passwords and set the intelligent door lock. A camera 4 is also provided inside the upper end of the door lock panel 1, and the camera 4 is used to perform face scanning. An installation block 5 is provided at the rear end of the door lock panel 1, and the installation block 5 is used to be installed inside the door. A connection frame 10 is provided between the front end of the installation block 5 and the rear end of the door lock panel 1, and the connection frame 10 is used to connect and fix the door lock panel 1 and the installation block 5. A magnetic contact box 11 is provided at the upper end of the installation block 5, and the magnetic contact box 11 is used to install the magnetic component. Two groups of magnetic touch heads 15 are provided in the middle of the magnetic contact box 11. The magnetic touch heads 15 are made of magnetic materials. An activity hole is provided between the magnetic touch heads 15 and the magnetic contact box 11. The magnetic touch heads 15 are movably connected to the magnetic contact box 11 through the provided activity hole. Electric contact heads 12 are provided in the middle of both groups of magnetic touch heads 15. The electric contact heads 12 are made of conductive materials. An installation plate 18 is provided at the rear of the magnetic contact box 11, and the middle of the installation plate 18 is also made of conductive materials. A group of first springs 16 are respectively provided between the rear ends of the two groups of magnetic touch heads 15 and the installation plate 18. When the magnetic touch heads 15 move forward, the first springs 16 will be stretched and deformed. The first springs 16 are used to provide a restoring force for the magnetic touch heads 15. A group of first wires 17 are respectively provided in the middle of the two groups of first springs 16. The two ends of the first wires 17 are respectively connected to the installation plate 18 and the rear ends of the electric contact heads 12. The first wires 17 are used to conductively connect the electric contact heads 12 and the installation plate 18, so as to electrically connect the internal structures of the magnetic contact box 11 and the installation block 5.

[0028] As Figures 1-6As shown, a power supply box 9 is provided at the upper end of the lock plate 6, and a battery 20 is provided inside the power supply box 9. The power supply box 9 is used to install the battery 20. Two groups of magnetic docking joints 21 are provided at the front end of the battery 20. The magnetic docking joints 21 are magnetic and can be magnetically connected to the magnetic contact head 15. A group of No. 2 wires 22 are respectively provided between the rear ends of the two groups of magnetic docking joints 21 and the battery 20. The No. 2 wires 22 are used to conductively connect the magnetic docking joints 21 and the battery 20. Two groups of No. 1 limit strips 19 are provided on the rear end side walls of the two groups of magnetic contact heads 15. The No. 1 limit strips 19 are used to limit the magnetic contact heads 15 to prevent the magnetic contact heads 15 from escaping from the inside of the magnetic contact box 11. A voltage stabilizing circuit board 23 is provided on the upper part of the interior of the door lock panel 1. The voltage stabilizing circuit board 23 is used to control the circuit formed by the contact between the magnetic contact heads 15 and the magnetic docking joints 21. A main control chip 24 is arranged in the middle of the lock panel 1, and the main control chip 24 is used to process the program instructions of the smart door lock. A communication module 25 is arranged at the lower part of the door lock panel 1, and the communication module 25 supports communication protocols such as Bluetooth and wireless network. Three groups of safety lock tongues 13 and a group of movable lock tongues 14 are arranged in the middle of the front side wall of the mounting block 5, and movable holes are respectively arranged between the safety lock tongue 13 and the movable lock tongue 14 and the side wall of the mounting block 5. The safety lock tongue 13 and the movable lock tongue 14 are respectively connected to the side wall of the mounting block 5 through the arranged movable holes, and the movable lock tongue 14 is located above the three groups of safety lock tongues 13. A No. 1 lock box 7 and a No. 2 lock box 8 are arranged in the middle of the lock plate 6, and the No. 2 lock box 8 is located between the No. 1 lock box 7 and the power supply box 9. The movable lock tongue 14 is used to dock with the No. 2 lock box 8, and the three groups of safety lock tongues 13 are docked with the No. 1 lock box 7.

[0029] like Figures 1-6As shown in the figure, a push rod 27 is provided at the rear end of each of the three groups of safety lock tongues 13 inside the mounting block 5. The three push rods 27 are respectively used to push the three groups of safety lock tongues 13 to move. A movable plate 28 is provided at the rear end of the three push rods 27. The movable plate 28 is used to fix the three push rods 27. An activity slot is provided between the movable plate 28 and the inside of the mounting block 5. The movable plate 28 is movably connected to the inner wall of the mounting block 5 through the provided activity slot. A threaded rod 30 is provided in the middle of the rear end of the movable plate 28. The threaded rod 30 is fixed to the middle of the rear end of the movable plate 28. A threaded sleeve 31 is provided on the outer wall of the rear end of the threaded rod 30. The movable plate 28 is threadedly connected to the inner wall of the threaded sleeve 31. A set of limit telescopic rods 29 is provided on both the upper and lower sides of the rear end of the movable plate 28. The limit telescopic rods 29 can be telescopically moved. A fixed plate 32 is provided at the rear ends of the two limit telescopic rods 29 and a threaded sleeve 31. The fixed plate 32 is fixed inside the mounting block 5. A rotation interface is provided between the threaded sleeve 31 and the side wall of the fixed plate 32. The threaded sleeve 31 is rotatably connected to the side wall of the fixed plate 32 through the provided rotation interface. A motor 33 is provided in the middle of the rear end of the fixed plate 32. The motor 33 is connected to the threaded sleeve 31. The motor 33 is used to drive the threaded sleeve 31 to rotate. The motor 33 is electrically connected to the magnetic attraction contact box 11. The motor 33, the fixed plate 32, the threaded sleeve 31, the threaded rod 30, the limit telescopic rods 29 and the movable plate 28 are all installed inside the mounting block 5. Two groups of second limit strips 26 are provided on the side walls at the rear ends of the three groups of safety lock tongues 13. The second limit strips 26 are used to limit the mounting plate 18. A second spring 35 is provided at the rear end of the movable lock tongue 14. When closing the door, the movable lock tongue 14 can be retracted through the second spring 35. A connecting plate 36 is provided at the rear end of the second spring 35. An electric telescopic rod 37 is provided between the rear end of the connecting plate 36 and the inner wall of the mounting block 5. The connecting plate 36 is used to connect the second spring 35 and the electric telescopic rod 37. The electric telescopic rod 37 can control the movable lock tongue 14 to move backward to unlock. Third limit strips 34 are provided on both the upper and lower outer walls at the rear side of the movable lock tongue 14. The second spring 35 is used to enable the movable lock tongue 14 to elastically move in the middle of the side wall of the mounting block 5. The third limit strips 34 are used to limit the movable lock tongue 14.

[0030] It should be noted that the present invention is an intelligent door lock with a magnetic contact power supply structure for the door frame. When in use, the mounting block 5 is installed inside the door, the door lock panel 1 is installed outside the door, the door lock panel 1 is connected to the mounting block 5 through the connecting frame 10, the lock catch plate 6 is installed inside the door frame and aligned with the height of the mounting block 5. When the door is closed, the movable lock tongue 14 will extend into the inside of the second lock box 8, and at the same time, the two groups of magnetic touch heads 15 in the middle of the magnetic contact box 11 will contact the two groups of magnetic docking heads 21 at the front end of the power supply box 9, the electrical contact head 12 contacts the middle of the magnetic docking head 21, and the current inside the battery 20 will be transmitted to the inside of the electrical contact head 12 through the second wire 22, and then transmitted to the inside of the magnetic contact box 11 through the first wire 17. The magnetic contact box 11 transmits the current to the motor 33. When the motor 33 starts to drive the threaded sleeve 31 to rotate, when the threaded sleeve 31 rotates, the threaded rod 30 will move at the front end of the threaded sleeve 31, pushing the movable plate 28 to move forward inside the mounting block 5. The movable plate 28 pushes the three groups of safety lock tongues 13 forward through the three groups of push rods 27. The safety lock tongues 13 are inserted into the inside of the first lock box 7, and the door can be locked. When people unlock and open the door through the door lock panel 1, the magnetic touch head 15 will disconnect from the magnetic docking head 21, the magnetic touch head 15 will reset due to the elastic force of the first spring 16, and at the same time, the door lock panel 1 and the mounting block 5 will disconnect the current, and the battery 20 will stop supplying power, saving power.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent door lock with a door frame magnetic contact power supply structure, comprising a door lock panel (1) and a lock plate (6), characterized in that: A handle (2) is arranged below the front end of the door lock panel (1), a touch panel (3) is arranged in the middle of the upper end of the door lock panel (1), a camera (4) is also arranged inside the upper end of the door lock panel (1), a mounting block (5) is arranged at the rear end of the door lock panel (1), a connecting frame (10) is arranged between the front end of the mounting block (5) and the rear end of the door lock panel (1), a magnetic contact box (11) is arranged at the upper end of the mounting block (5), and two sets of magnetic contacts are arranged in the middle of the magnetic contact box (11). The magnetic contact box (11) comprises a plurality of magnetic contact heads (15), wherein the middle of the two groups of magnetic contact heads (15) is provided with an electric contact head (12), the inner rear of the magnetic contact box (11) is provided with a mounting plate (18), a group of No. 1 springs (16) are respectively provided between the rear ends of the two groups of magnetic contact heads (15) and the mounting plate (18), a group of No. 1 wires (17) are respectively provided between the middle ends of the two groups of No. 1 springs (16), and the two ends of the No. 1 wires (17) are respectively connected to the mounting plate (18) and the rear end of the electric contact head (12). A power supply box (9) is arranged at the upper end of the lock plate (6), a battery (20) is arranged inside the power supply box (9), two groups of magnetic suction joints (21) are arranged at the front end of the battery (20), a group of No. 2 wires (22) are arranged between the rear ends of the two groups of magnetic suction joints (21) and the battery (20), two groups of No. 1 limit strips (19) are arranged on the rear end side walls of the two groups of magnetic suction contact heads (15), a voltage stabilizing circuit board (23) is arranged on the upper part of the door lock panel (1), and the door lock panel A main control chip (24) is arranged in the middle of the panel (1), a communication module (25) is arranged at the lower part of the door lock panel (1), three groups of safety lock tongues (13) and one group of movable lock tongues (14) are arranged in the middle of the front side wall of the mounting block (5), the movable lock tongues (14) are located above the three groups of safety lock tongues (13), a No. 1 lock box (7) and a No. 2 lock box (8) are arranged in the middle of the lock plate (6), and the No. 2 lock box (8) is located between the No. 1 lock box (7) and the power supply box (9).

2. The intelligent door lock with a door frame magnetic contact power supply structure according to claim 1, characterized in that: The rear ends of the three groups of safety lock tongues (13) are all provided with a group of push rods (27) inside the mounting block (5); the rear ends of the three groups of push rods (27) are provided with a group of movable plates (28); the middle of the rear ends of the movable plates (28) are provided with a threaded rod (30); the outer wall of the rear ends of the threaded rods (30) is provided with a threaded sleeve (31); the upper and lower sides of the rear ends of the movable plates (28) are provided with a group of limiting telescopic rods (29); the rear ends of the two groups of limiting telescopic rods (29) and the group of threaded sleeves (31) are provided with a group of fixed plates (32); the middle of the rear ends of the fixed plates (32) are provided with a motor (33); the motor (33) and the threaded sleeve are connected to each other. The motor (33), the fixing plate (32), the threaded sleeve (31), the threaded rod (30), the limiting telescopic rod (29) and the movable plate (28) are all installed inside the mounting block (5); the rear end side walls of the three groups of the safety lock tongues (13) are each provided with two groups of No. 2 limiting strips (26); the rear end of the movable lock tongue (14) is provided with a No. 2 spring (35); the rear end of the No. 2 spring (35) is provided with a connecting plate (36); an electric telescopic rod (37) is provided between the rear end of the connecting plate (36) and the inner wall of the mounting block (5); and the upper and lower outer walls on the rear side of the movable lock tongue (14) are each provided with a No. 3 limiting strip (34).

3. The intelligent door lock with a door frame magnetic contact power supply structure according to claim 1, characterized in that: Movable holes are respectively arranged between the movable lock tongue (14) and the three groups of safety lock tongues (13) and the side wall of the door lock panel (1); the movable lock tongue (14) and the three groups of safety lock tongues (13) are respectively movably connected to the side wall of the mounting block (5) through the arranged movable holes; a movable hole is arranged between the magnetic attraction contact head (15) and the side wall of the magnetic attraction contact box (11); the magnetic attraction contact head (15) is movably connected to the side wall of the magnetic attraction contact box (11) through the arranged movable holes.

4. The intelligent door lock with a door frame magnetic contact power supply structure according to claim 1, characterized in that: The magnetic touch head (15) and the magnetic docking head (21) are both made of magnetic materials. The magnetic touch head (15) is magnetically connected to the magnetic docking head (21). The two ends of the first spring (16) are respectively connected to the mounting plate (18) and the rear end of the magnetic touch head (15). A conductive material is arranged in the middle of the magnetic docking head (21).

5. The intelligent door lock with a door frame magnetic contact power supply structure according to claim 1, characterized in that: The main control chip (24) is a high-performance microprocessor architecture, and the communication module (25) supports Bluetooth and wireless network communication protocols.

6. The intelligent door lock with a door frame magnetic contact power supply structure according to claim 1, characterized in that: The movable lock tongue (14) is movably connected to the second lock box (8), and the safety lock tongue (13) is movably connected to the first lock box (7).

7. The intelligent door lock with a door frame magnetic contact power supply structure according to claim 2, characterized in that: A movable groove is provided between the movable plate (28) and the inner wall of the mounting block (5); the movable plate (28) is movably connected to the inner wall of the mounting block (5) via the movable groove; the threaded rod (30) is threadedly connected to the inner wall of the threaded sleeve (31); a rotation interface is provided between the rear end of the threaded sleeve (31) and the fixed plate (32); the rear end of the threaded sleeve (31) is rotationally connected to the fixed plate (32) via the rotation interface; and the fixed plate (32) is rotationally connected to the inner wall of the mounting block (5).

8. The intelligent door lock with a door frame magnetic contact power supply structure according to claim 2, characterized in that: The movable locking tongue (14) is elastically and movably connected to the inner wall of the mounting block (5) via a No. 2 spring (35); the back side of the movable locking tongue (14) is an arc-shaped surface; and the electric telescopic rod (37) is electrically connected to the magnetic contact box (11).

9. The intelligent door lock with a door frame magnetic contact power supply structure according to claims 1 and 2, characterized in that: A connecting line is provided between the magnetic attraction contact box (11) and the motor (33), and the magnetic attraction contact box (11) and the motor (33) are electrically connected via the provided connecting line.

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