CN112006890A - Shank rehabilitation sports training equipment convenient to adjust mechanical motion range - Google Patents

Abstract

The invention discloses a leg rehabilitation physical training device convenient for adjusting mechanical motion amplitude, which comprises a base, a side sliding groove, a pedal plate and a metal probe, wherein a stand column is fixedly arranged at the upper end of the base, the side surface of a positioning ring is mutually connected with one end of an installation box, the side sliding groove is formed in the outer side surface of the installation box, the pedal plate is arranged on the outer side of a middle rotating shaft, a water tank is fixedly arranged at the lower end of the inner part of the installation box, a driving motor box is movably connected in the installation box, a cross rod is arranged in the lower end of the inner rotating shaft, the inner sliding groove is formed in the front side of the installation box, and magnetic blocks are symmetrically fixed in the two sides of a. This shank rehabilitation sports training equipment convenient to adjust mechanical motion range adopts neotype structural design for this device is convenient for adjust mechanical motion structure's training range according to the recovered state of patient, and is provided with the liquid medicine atomizing in the device and sprays the structure, increases the service function of device.

Description

A kind of leg rehabilitation sports training equipment that is easy to adjust the mechanical movement range

technical field

The invention relates to the technical field of rehabilitation training equipment, in particular to a leg rehabilitation sports training equipment which is convenient for adjusting the mechanical movement range.

Background technique

Rehabilitation training equipment is a kind of equipment that assists patients with postoperative rehabilitation. It exercises the reciprocating movement of the local position of the human body through mechanical transmission, thereby exercising the bones and muscles and accelerating the speed of human recovery. It is inconvenient for the patient to move with weight before recovery, and it is inconvenient for the patient to carry out training by moving on his own. The recovery speed is slow. Some leg rehabilitation sports training equipment can save effort and achieve the effect of training.

With the continuous use of leg rehabilitation sports training equipment, the following problems were found during use:

1. Some existing leg rehabilitation training equipment is inconvenient to adjust the range of mechanical movement during use, so it is inconvenient to adjust the training intensity of the equipment according to the patient's rehabilitation situation, and the effect of use is limited.

2. And some existing leg rehabilitation training equipment is inconvenient to adjust the range of leg spanning during use, and some existing leg rehabilitation training equipment only has the function of transmission training, and the use function is limited.

Therefore, it is necessary to design a kind of leg rehabilitation sports training equipment that is easy to adjust the mechanical movement range in response to the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a kind of leg rehabilitation sports training equipment that is convenient to adjust the mechanical movement range, so as to solve the problem that some existing leg rehabilitation training equipment proposed in the above-mentioned background technology is inconvenient to adjust the mechanical movement range in the process of use, Therefore, it is inconvenient to adjust the training intensity of the equipment according to the patient's rehabilitation situation, and the effect of use is limited, and some existing leg rehabilitation training equipment is inconvenient to adjust the range of leg spanning during use, and some existing leg rehabilitation training equipment is inconvenient. Some rehabilitation training equipment only has the function of transmission training, and the use function is limited.

In order to achieve the above purpose, the present invention provides the following technical solutions: a leg rehabilitation sports training equipment that is convenient for adjusting the mechanical movement range, including a base, a side chute, a foot pedal and a metal probe, and the upper end of the base is fixedly installed There is a column, and a telescopic handrail is movably installed inside the column, and a positioning ring is installed on the outside of the column, the side of the positioning ring is connected with one end of the installation box, and the other end of the installation box is connected with the internal thread positioning block. And the internal thread positioning block is arranged on the outer side of the sliding piece, the sliding piece is fixedly installed inside the base, and the upper end of the base is rotatably connected with a screw rod, the side chute is opened on the outer side of the installation box, and the installation box Atomizing nozzles are installed symmetrically on both sides of the bottom of the bottom, and an intermediate rotating shaft is installed through the inside of the installation box. There is an adjustment block movably connected to the outside of the installation box, a water tank is fixedly installed at the inner lower end of the installation box, and a stirring rod is rotatably connected to the inside of the water tank, and the stirring rod is connected to the intermediate rotating shaft through the push rod, and the outer side of the intermediate rotating shaft is welded with A transmission gear, the inside of the installation box is movably connected with a drive motor box, and the lower end of the drive motor box is rotatably installed with an internal shaft, and the inside of the installation box is fixedly connected with a sliding rod, and the front side of the installation box is movably installed with A telescopic rod, and a handle is threadedly connected to the front side of the telescopic rod, and a convex block is fixedly installed on the outside of the handle, a cross rod is installed inside the lower end of the inner rotating shaft, and a drive gear is welded on the lower surface of the cross rod, and the cross rod It is rotatably connected to the inside of the fixed ring, and at the same time, a slip ring is fixedly installed on the upper end of the outer side of the fixed ring, an internal chute is opened inside the front side of the installation box, and a round rod is fixedly installed inside the internal chute. The side plate is rotatably connected with the side plate, and the inside of the side plate is connected with the foot pedal through the scroll spring, the inside of the installation box is fixedly installed with a power supply chip, and the inside of the installation box is movably connected with a clamp block, the convex Magnetic blocks are fixed symmetrically inside the two sides of the block.

Preferably, the two sides of the installation box respectively form a rotating structure with the positioning ring and the internal thread positioning block, and the positioning ring and the column form a sliding structure, and the internal thread positioning block forms a sliding structure through the sliding sheet and the base, while the internal thread positioning The block is threadedly connected with the lead screw.

Preferably, the foot pedal and the side board form a rotating structure, and the rotation angle of the foot board is in the range of 0-90°, and the foot pedal and the side board form an elastic structure through a spiral spring.

Preferably, four transmission gears are provided at equal intervals outside the intermediate rotating shaft, the outer diameters of the four transmission gears are increasing, and the transmission gears are meshed with the drive gears.

Preferably, the driving gear forms a telescopic structure through a cross rod and an internal rotating shaft, and the driving gear forms a sliding structure with the sliding rod through a slip ring, and the sliding rod has an inclined structure.

Preferably, a magnetic ball is fixed inside the clamping block, and a metal induction sheet is installed on the outer side of the clamping block, and the clamping block is connected to the installation box through an elastic built-in rod, and a metal probe is fixedly installed inside the installation box. .

Preferably, the clamping block and the installation box form a telescopic structure, and the position of the clamping block and the position of the convex block correspond to each other, and the outer sides of the convex block and the clamping block are arc-shaped structures, and the clamping block passes through the magnetic ball and the magnetic ball. The magnet blocks are magnetically connected to the bumps.

Preferably, the metal probe is electrically connected to the power supply chip, and the position of the metal probe corresponds to the position of the metal induction sheet, and the metal induction sheet is electrically connected to the magnetic ball.

Compared with the prior art, the beneficial effects of the present invention are: the leg rehabilitation sports training equipment, which is easy to adjust the mechanical movement range, adopts a novel structural design, so that the device can adjust the mechanical movement range according to the patient's leg rehabilitation condition, The practicability of device training is improved, and the device is provided with a patient's leg spanning range adjustment mechanism, which can improve the effect of leg exercise, and at the same time, the device is provided with a liquid medicine atomization spray structure, which increases the use function of the device;

1. The transmission gear set by the meshing connection and the slip ring set by the sliding structure, the patient moves the handle up and down to adjust it to different gears according to the recovery of his own leg, and the slip ring slides on the outside of the slide rod to drive the lower The driving gear moves to the side of the corresponding transmission gear for meshing connection, and the rotation speed of the intermediate shaft is controlled by different gear transmission ratios, thereby adjusting the floating of the mechanical training movement. This part of the adjustment structure increases the effect of the device training and rehabilitation;

2. The adjustment block set by the sliding structure, the patient moves the adjustment block corresponding to the position outside the intermediate shaft according to the movable state of the leg joints. The patient places the leg on the foot pedal, and drives the intermediate shaft to rotate through the mechanical transmission structure. Thereby, it drives the patient's leg to reciprocate stride training, and moving the position of the adjustment block can adjust the range of the patient's leg spanning and improve the training effect;

3. The stirring rod set by the rotating structure, when the intermediate shaft rotates, the stirring rod at the lower end is pushed by the push rod to rotate, and the stirring rod rotates to stir the diluted medicinal liquid inside the water tank, so that the medicinal liquid is mixed evenly, and the medicinal liquid is sprayed on the atomizing nozzle. Under the action, it is sprayed to the outside, and the sprayed medicinal liquid is distributed around the training leg, so as to relieve the muscles of the leg training, further improve the training effect, and increase the use function of the device.

Description of drawings

Fig. 1 is the front structure schematic diagram of the present invention;

Fig. 2 is the side sectional structure schematic diagram of the installation box of the present invention;

Fig. 3 is the cross-bar side structure schematic diagram of the present invention;

Fig. 4 is the top view structure schematic diagram of the foot pedal of the present invention;

5 is a schematic diagram of the front structure of the bump of the present invention;

FIG. 6 is an enlarged schematic view of the structure at A in FIG. 5 of the present invention.

In the figure: 1. Base; 2. Upright column; 3. Telescopic handrail; 4. Positioning ring; 5. Installation box; 6. Internal thread positioning block; 7. Slider; 8. Screw rod; 9. Side chute; 10. Atomizing nozzle; 11. Intermediate shaft; 12. Foot pedal; 13. Elastic fixing plate; 14. Adjusting block; 15. Water tank; 16. Stirring rod; 17. Push rod; 18. Transmission gear; 19. Drive Motor box; 20, internal shaft; 21, sliding rod; 22, telescopic rod; 23, handle; 24, bump; 25, cross rod; 26, drive gear; 27, fixing ring; 28, slip ring; 29, internal Chute; 30, round rod; 31, side plate; 32, spiral spring; 33, power supply chip; 34, clamping block; 35, magnetic block; 36, magnetic ball; 37, metal induction sheet; 38, built-in elasticity rod; 39, metal probe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution: a leg rehabilitation sports training equipment that is easy to adjust the mechanical movement range, comprising a base 1, a column 2, a telescopic armrest 3, a positioning ring 4, an installation box 5, an inner Thread positioning block 6, sliding piece 7, screw 8, side chute 9, atomizing nozzle 10, intermediate shaft 11, foot pedal 12, elastic fixing piece 13, adjusting block 14, water tank 15, stirring rod 16, pusher Rod 17, transmission gear 18, drive motor box 19, internal shaft 20, sliding rod 21, telescopic rod 22, handle 23, bump 24, cross rod 25, driving gear 26, fixed ring 27, slip ring 28, internal chute 29. Round rod 30, side plate 31, spiral spring 32, power supply chip 33, clamp block 34, magnetic block 35, magnetic ball 36, metal induction piece 37, elastic built-in rod 38 and metal probe 39, the base 1 A column 2 is fixedly installed on the upper end, and a telescopic handrail 3 is movably installed inside the column 2, and a positioning ring 4 is installed on the outside of the column 2. The side of the positioning ring 4 is connected to one end of the installation box 5, and the other side of the installation box 5 One end is connected with the internal thread positioning block 6, and the internal thread positioning block 6 is arranged on the outer side of the sliding piece 7, the sliding piece 7 is fixedly installed inside the base 1, and the upper end of the base 1 is rotatably connected with a lead screw 8, and the side slides The groove 9 is opened on the outer side of the installation box 5, and the atomizing nozzles 10 are symmetrically installed on both sides of the bottom of the installation box 5, and the middle shaft 11 is installed through the inside of the installation box 5, and the foot pedal 12 is arranged on the middle shaft 11. Outside, and the upper surface of the foot pedal 12 is installed with an elastic fixing piece 13, and the outside of the intermediate shaft 11 is movably connected with an adjustment block 14, the inner lower end of the installation box 5 is fixedly installed with a water tank 15, and the inside of the water tank 15 is rotatably connected with a The stirring rod 16, and the stirring rod 16 is connected with the intermediate rotating shaft 11 through the push rod 17, and the transmission gear 18 is welded to the outer side of the intermediate rotating shaft 11, and the inside of the installation box 5 is movably connected with a drive motor box 19, and the drive motor box 19 The lower end of the mounting box 5 is rotatably installed with an internal shaft 20, and the interior of the mounting box 5 is fixedly connected with a sliding rod 21, the front side of the mounting box 5 is movably mounted with a telescopic rod 22, and the front side of the telescopic rod 22 is threadedly connected with a handle 23, and A bump 24 is fixedly installed on the outside of the handle 23, a cross rod 25 is installed inside the lower end of the inner shaft 20, and a drive gear 26 is welded on the lower surface of the cross rod 25, and the cross rod 25 is rotatably connected to the inside of the fixing ring 27, and at the same time A slip ring 28 is fixedly installed on the upper end of the outer side of the fixing ring 27 , an internal chute 29 is opened inside the front side of the installation box 5 , and a round rod 30 is fixedly installed inside the inner chute 29 , and the side of the adjusting block 14 is rotatably connected with a side edge plate 31, and the inside of the side plate 31 is connected to the foot pedal 12 through the scroll spring 32, the inside of the installation box 5 is fixedly installed with a power supply chip 33, and the inside of the installation box 5 is movably connected with a clamp block 34, a bump 24 Magnetic blocks 35 are fixed symmetrically inside the two sides of the .

In this example, both sides of the installation box 5 form a rotating structure with the positioning ring 4 and the internal thread positioning block 6 respectively, and the positioning ring 4 and the column 2 form a sliding structure, and the internal thread positioning block 6 forms a sliding structure with the base 1 through the sliding sheet 7 At the same time, the internal thread positioning block 6 is threadedly connected with the screw rod 8. By rotating the adjustment mechanism on the side of the screw rod 8, the internal thread positioning block 6 is controlled to move laterally on the outside of the screw rod 8 under the action of thread transmission. At this time, the installation box The two ends of 5 rotate with the internal thread positioning block 6 and the positioning ring 4 respectively, so as to adjust the height of the intermediate shaft 11 from the ground;

The foot board 12 and the side board 31 form a rotating structure, and the rotation angle of the foot board 12 is 0-90°, and the foot board 12 forms an elastic structure through the spiral spring 32 and the side board 31, and the foot board 12 forms an elastic structure. 12 rotates upward under the elastic action of the spiral spring 32, and is folded on the outside of the intermediate shaft 11 to avoid the foot pedal 12 extending when the device is not in use hitting the pedestrian's leg;

Four transmission gears 18 are arranged on the outside of the intermediate shaft 11 at equal intervals, and the outer diameters of the four transmission gears 18 show an increasing trend, and the transmission gears 18 are meshed and connected with the drive gear 26. The four transmission gears 18 correspond to four gears, The driving gear 26 is moved to the outside of the corresponding transmission gear 18 through the transmission structure, and the rotation speed of the intermediate shaft 11 is controlled by the corresponding gear transmission ratio, thereby controlling the movement range of the mechanical movement structure of the device;

The driving gear 26 forms a telescopic structure through the cross rod 25 and the internal rotating shaft 20 , and the driving gear 26 forms a sliding structure with the sliding rod 21 through the slip ring 28 , and the sliding rod 21 has an inclined structure, and the sliding ring 28 is inclined outside the sliding rod 21 . Sliding to drive the drive gear 26 at the lower end to move obliquely upward;

The clamping block 34 and the installation box 5 form a telescopic structure, and the position of the clamping block 34 and the position of the convex block 24 correspond to each other. The ball 36 and the magnetic block 35 are magnetically connected with the bump 24. The rotating bump 24 pushes the clamp block 34 to move to the inside of the installation box 5 through the arc surface. When the clamp block 34 is pushed to the innermost position, the bump 24 and the clamp block 34 is snapped tightly, and the position of the bump 24 is limited;

The metal probe 39 is electrically connected to the power supply chip 33, and the position of the metal probe 39 corresponds to the position of the metal induction sheet 37, and the metal induction sheet 37 is electrically connected to the magnetic ball 36. When the clamping block 34 moves to the inside, The metal induction piece 37 on the side of the clamping block 34 is in contact with the metal probe 39, and the metal probe 39 energizes the magnetic ball 36 through the power supply chip 33, and the magnetic ball 36 attracts each other with the magnetic block 35 corresponding to the side in the energized state, which is further strengthened. Location of bump 24 and handle 23.

Working principle: When using this device, firstly according to the structure shown in Figure 1, Figure 2, Figure 3, Figure 5 and Figure 6, the patient adjusts the range of mechanical movement of the device according to the rehabilitation of his own leg, and moves the handle upwards. 23. The handle 23 drives the telescopic rod 22 to move upward, the telescopic rod 22 pushes the slip ring 28 to slide outside the slide rod 21, the slip ring 28 drives the drive gear 26 at the lower end to move obliquely, and the cross rod 25 expands and contracts at the lower end of the inner shaft 20 When the handle 23 is moved to the position of the corresponding clamping block 34 (four clamping blocks 34 arranged vertically and equally spaced correspond to four gears), the rotating handle 23 is threadedly connected with the telescopic rod 22, and the outer side is driven by the rotation. The convex block 24 rotates, and the convex block 24 pushes the clamping block 34 to move to the inside of the installation box 5 through the arc surface. The position of 24 is limited, and at the same time, the metal induction piece 37 on the side of the clamping block 34 is in contact with the metal probe 39. The metal probe 39 energizes the magnetic ball 36 through the power supply chip 33, and the magnetic ball 36 is energized. The blocks 35 attract each other, further strengthen the position of the bump 24 and the handle 23, adjust the handle 23 to the corresponding gear, the drive gear 26 is meshed with the transmission gear 18 at the corresponding position, and the running motor controls the rotation of the internal shaft 20, the internal The rotating shaft 20 drives the lower cross bar 25 and the driving gear 26 to rotate, and drives the intermediate rotating shaft 11 to rotate under the action of the gear meshing transmission, and the intermediate rotating shaft 11 drives the foot pedals 12 on both sides of the outside to rotate. The part is placed on the foot pedal 12 to perform rehabilitation training on the leg under the action of mechanical transmission. This part of the adjustment structure controls the rotation range of the intermediate shaft 11 by controlling the meshing transmission ratio of the driving gear 26 and the transmission gear 18, which is convenient for patients according to Adjust the mechanical movement range of the device in different rehabilitation time periods to increase the practicability of the device;

Then, according to the structures shown in Figures 1, 2 and 4, the patient adjusts the range of mechanically driven leg spanning according to the movement of the leg joints. First, the adjustment mechanism on the side of the screw rod 8 is rotated. Under the action, the internal thread positioning block 6 is controlled to move laterally on the outside of the screw rod 8. At this time, the two ends of the installation box 5 rotate with the internal thread positioning block 6 and the positioning ring 4 respectively, so as to adjust the height of the intermediate shaft 11 from the ground. Then loosen the key on the outside of the adjustment block 14, and slide the position of the adjustment block 14 up and down on the outside of the intermediate shaft 11, so that the adjustment block 14 drives the foot pedal 12 on the side to move. , when the intermediate rotating shaft 11 rotates, the range of the circular rotation of the foot pedal 12 is controlled to be different, so that the range of the patient's leg can be controlled, and the effect of the device training can be increased;

Next, according to the structure shown in FIG. 1 and FIG. 2 , when the intermediate rotating shaft 11 rotates, the stirring rod 16 at the lower end is pushed by the push rod 17 to rotate synchronously, and the stirring rod 16 rotates and stirs the liquid medicine inside the water tank 15, so that the diluted medicine The liquid is mixed evenly. At the same time of leg training, the atomizing nozzle 10 atomizes and sprays the liquid medicine in the water tank 15. The atomized liquid medicine is distributed around the trained calf, which can relieve the leg muscles and relieve the fatigue strength of the muscles. , to improve the use function of the device.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. a kind of leg rehabilitation sports training equipment that is convenient to adjust the mechanical movement range, comprises base (1), side chute (9), footrest (12) and metal probe (39), it is characterized in that: A column (2) is fixedly installed on the upper end of the base (1), a telescopic handrail (3) is movably installed inside the column (2), and a positioning ring (4) is installed on the outside of the column (2). The side surface of (4) is connected with one end of the installation box (5), and the other end of the installation box (5) is connected with the internal thread positioning block (6), and the internal thread positioning block (6) is arranged on the sliding plate (7) ), the sliding piece (7) is fixedly installed inside the base (1), and the upper end of the base (1) is rotatably connected with a screw rod (8), and the side chute (9) is opened in the installation box (5), the atomizing nozzles (10) are symmetrically installed on both sides of the bottom of the installation box (5), and an intermediate shaft (11) is installed through the inside of the installation box (5). 12) It is arranged on the outside of the intermediate rotating shaft (11), and an elastic fixing piece (13) is installed on the upper surface of the foot pedal (12), and an adjusting block (14) is movably connected to the outside of the intermediate rotating shaft (11). A water tank (15) is fixedly installed at the inner lower end of the installation box (5), and a stirring rod (16) is rotatably connected to the inside of the water tank (15), and the stirring rod (16) is connected to the intermediate rotating shaft (11) through the push rod (17) Connected to each other, at the same time, the outer side of the intermediate shaft (11) is welded with a transmission gear (18), the inside of the installation box (5) is movably connected with a drive motor box (19), and the lower end of the drive motor box (19) is rotated and installed There is an internal rotating shaft (20), and a sliding rod (21) is fixedly connected to the inside of the installation box (5). A handle (23) is threadedly connected to the front side of the handle (23), a projection (24) is fixedly installed on the outside of the handle (23), a cross rod (25) is installed inside the lower end of the inner shaft (20), and the cross rod (25) ) is welded with a drive gear (26) on the lower surface, and the cross rod (25) is rotatably connected to the inside of the fixing ring (27), and at the same time, a slip ring (28) is fixedly installed at the upper end of the outer side of the fixing ring (27). The front side of (5) is provided with an internal chute (29), and a round rod (30) is fixedly installed inside the inner chute (29), and a side plate ( 31), and the inside of the side plate (31) is connected with the foot pedal (12) through the scroll spring (32), the inside of the installation box (5) is fixedly installed with a power supply chip (33), and the installation box ( 5) A clamping block (34) is movably connected inside, and magnetic blocks (35) are symmetrically fixed inside the two sides of the convex block (24). 2. The leg rehabilitation sports training equipment according to claim 1, characterized in that: the two sides of the installation box (5) are respectively connected with the positioning ring (4) and the internal thread positioning block (6) It forms a rotating structure, and the positioning ring (4) and the column (2) form a sliding structure, and the internal thread positioning block (6) forms a sliding structure with the base (1) through the sliding sheet (7), while the internal thread positioning block (6) forms a sliding structure. (6) is threadedly connected with the lead screw (8). 3. The leg rehabilitation sports training equipment according to claim 1, characterized in that: the pedal (12) and the side plate (31) form a rotating structure, and the pedal The rotation angle of the board (12) ranges from 0 to 90°, and the foot board (12) forms an elastic structure with the side board (31) through the scroll spring (32). 4. The leg rehabilitation sports training equipment according to claim 1, characterized in that: the transmission gears (18) are provided with four equidistantly spaced outside the intermediate shaft (11), And the outer diameters of the four transmission gears (18) show an increasing trend, and the transmission gears (18) are meshed and connected with the drive gear (26). 5. The leg rehabilitation sports training equipment according to claim 1, characterized in that: the drive gear (26) forms a telescopic structure through a cross rod (25) and an internal rotating shaft (20) , and the driving gear (26) forms a sliding structure with the sliding rod (21) through the slip ring (28), and the sliding rod (21) has an inclined structure. 6. The leg rehabilitation sports training equipment according to claim 1, characterized in that: a magnetic ball (36) is fixed inside the clamping block (34), and the clamping block (34) ) is installed with a metal induction sheet (37), and the clamping block (34) is connected with the installation box (5) through the elastic built-in rod (38), and the inside of the installation box (5) is fixedly installed with a metal probe ( 39). 7. The leg rehabilitation sports training equipment according to claim 1, characterized in that: the clamping block (34) and the installation box (5) form a telescopic structure, and the clamping block (34) ) and the position of the bump (24) correspond to each other, and the outer sides of the bump (24) and the clamping block (34) are arc-shaped structures, and the clamping block (34) passes through the magnetic ball (36) and the magnetic The block (35) is magnetically connected to the bump (24). 8 . The leg rehabilitation sports training equipment according to claim 1 , wherein the metal probe ( 39 ) is electrically connected to the power supply chip ( 33 ), and the metal probe The position of (39) corresponds to the position of the metal induction piece (37), and the metal induction piece (37) is electrically connected with the magnetic ball (36).

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