阅读说明：本技术 一种具有自锁功能的充电便捷的自行车导航设备 (Convenient bicycle navigation equipment charges with self-locking function ) 是由 时新 于 2019-10-14 设计创作，主要内容包括：本发明涉及一种具有自锁功能的充电便捷的自行车导航设备,包括主体、连接管、控制盒、收纳盒和两个弧形管,所述收纳盒内设有充电机构,所述控制盒内设有自锁机构和PLC,所述自锁机构包括第一电机、驱动杆、第一轴承、自锁单元、两个第一齿轮和两个锁环,所述充电机构包括电线、插头、第二电机、滚筒、挡板、圆盘、第二齿轮和平移组件,该具有自锁功能的充电便捷的自行车导航设备,通过自锁机构将导航设备固定在自行车的车把上,安装更牢固,防盗性能好,提高了安全性,不仅如此,通过充电机构实现对插头和电线的收放,使导航设备充电更加便捷,提高了实用性。(The invention relates to a bicycle navigation device with self-locking function and convenient charging, which comprises a main body, a connecting pipe, a control box, a storage box and two arc-shaped pipes, a charging mechanism is arranged in the storage box, a self-locking mechanism and a PLC are arranged in the control box, the self-locking mechanism comprises a first motor, a driving rod, a first bearing, a self-locking unit, two first gears and two locking rings, the charging mechanism comprises an electric wire, a plug, a second motor, a roller, a baffle plate, a disc, a second gear and a translation assembly, the bicycle navigation equipment with the self-locking function and convenient charging is characterized in that the navigation equipment is fixed on the handlebar of the bicycle through the self-locking mechanism, the installation is firmer, the anti-theft performance is good, the safety is improved, and in addition, the charging mechanism realizes the retraction of the plug and the electric wire, so that the navigation equipment is more convenient to charge, and the practicability is improved.)

1. The bicycle navigation equipment with the self-locking function and convenient and fast to charge comprises a main body (1), a connecting pipe (2), a control box (3), a storage box (4) and two arc-shaped pipes (5), wherein the main body (1) is arranged above the control box (3) through the connecting pipe (2), the storage box (4) is provided with a plurality of small lamps, the storage box (4) is fixed on one side below the control box (3), the two arc-shaped pipes (5) are respectively positioned on two sides of a clamping ring, the arc-shaped pipes (5) are communicated with the lower part of the control box (3), and the bicycle navigation equipment is characterized in that a charging mechanism is arranged in the storage box (4), a self-locking mechanism and a PLC are arranged in the control box (3), and the small lamps are electrically connected with the;

the self-locking mechanism comprises a first motor (6), a driving rod (7), a first bearing (8), a self-locking unit, two first gears (9) and two locking rings (10), wherein the outer ring of the first bearing (8) and the first motor (6) are respectively fixed on the inner walls of the two sides of the control box (3), the first motor (6) is in transmission connection with one end of the driving rod (7), the other end of the driving rod (7) is fixedly connected with the inner ring of the first bearing (8), the first gears (9) correspond to the locking rings (10) one by one, the first gears (9) are fixed on the driving rod (7), the first gears (9) and the driving rod (7) are coaxially arranged, the two locking rings (10) are respectively arranged in the two arc-shaped pipes (5), the outer teeth (10) are provided with a plurality of notches, the locking rings (10) are provided with sizes corresponding to the distances between the two ends of the arc-shaped pipes (5), the first gear (9) is meshed with the external teeth, and the first motor (6) is electrically connected with the PLC;

the charging mechanism comprises an electric wire (11), a plug (12), a second motor (13), a roller (14), a baffle (15), a disc (16), a second gear (17) and a translation assembly, an opening is formed in the storage box (4), the second motor (13) is fixed on one side, close to the opening, of the storage box (4), the second motor (13) is in transmission connection with the baffle (15), one end of the roller (14) is fixed on the baffle (15), the other end of the roller (14) is fixedly connected with the disc (16), the roller (14) and the disc (16) are coaxially arranged, a plurality of convex teeth are arranged on the periphery of the disc (16), the second gear (17) is meshed with the convex teeth, the second gear (17) is connected with the translation assembly, one end of the electric wire (11) is wound on the roller (14), and the other end of the electric wire (11) is fixedly connected with the plug (12), the opening is matched with a plug (12), and the second motor (13) is electrically connected with the PLC.

2. The bicycle navigation device with self-locking function and convenient charging function according to claim 1, wherein the self-locking unit comprises a cylinder (18) and an insertion tube (19), the insertion tube (19) is fixed on the inner wall of the control chamber close to one side of the first bearing (8), the cylinder body of the cylinder (18) is located between the two first gears (9), the cylinder body of the cylinder (18) is fixed in the control chamber, the air rods of the cylinder (18) are opposite to the insertion tube (19), a plurality of through holes are arranged on the first gear (9) close to the first bearing (8) in the two first gears (9), the through holes are circumferentially and uniformly distributed around the central axis of the first gear (9), and the through holes are matched with the air rods of the cylinder (18).

3. The self-locking convenient-to-charge bicycle navigation device according to claim 1, wherein the external teeth are coated with a lubricating oil.

4. The self-locking convenient-to-charge bicycle navigation device according to claim 1, wherein the translation assembly comprises a lead screw (20), a moving block (21) and two second bearings (22), the second gear (17) is fixed on the lead screw (20), the second gear (17) and the lead screw (20) are coaxially arranged, the moving block (21) is sleeved on the lead screw (20), a connecting portion of the moving block (21) and the lead screw (20) is provided with a thread matched with the lead screw (20), the moving block (21) is provided with a through hole, one end of the electric wire (11) close to the plug (12) passes through the through hole, two ends of the lead screw (20) are respectively and fixedly connected with inner rings of the two second bearings (22), and an outer ring of the second bearing (22) is fixed at the bottom of the storage box (4).

5. The bicycle navigation device with self-locking function and convenient charging function according to claim 4, characterized in that a dovetail groove (23) is arranged between the two second bearings (22), the dovetail groove (23) is fixed at the bottom in the storage box (4), and the moving block (21) is connected with the dovetail groove (23) in a sliding manner.

6. The self-locking convenient-to-charge bicycle navigation device according to claim 4, wherein the lead screw (20) is coated with an anti-corrosion zinc coating.

7. The bicycle navigation device with self-locking function and convenient charging function of claim 1, wherein the opening is provided with a cover plate (24), and the cover plate (24) is hinged with the inner wall above the opening.

8. The self-locking convenient-to-charge bicycle navigation device according to claim 1, wherein a buffer device is arranged in the connecting pipe (2), the buffer device comprises a connecting rod (25), a sealing plate (26) and two magnets (27), the main body (1) is fixedly connected with the sealing plate (26) through the connecting rod (25), the sealing plate (26) is hermetically connected with the inner wall of the connecting pipe (2), the two magnets (27) are respectively fixed below the sealing plate (26) and at the bottom inside the connecting pipe (2), and the two magnets (27) have the same magnetism.

9. The self-locking convenient-to-charge bicycle navigation device according to claim 7, wherein a limiting ring (28) is disposed above the connecting pipe (2), the outer periphery of the limiting ring (28) is fixed on the inner wall of the connecting pipe (2), a plurality of springs (29) are disposed between the limiting ring (28) and the sealing plate (26), and two ends of each spring (29) are respectively fixedly connected with the limiting ring (28) and the sealing plate (26).

10. The bicycle navigation apparatus with self-locking function for convenient charging according to claim 1, wherein the first motor (6) is a dc servo motor.

Technical Field

The invention relates to the field of navigation equipment, in particular to bicycle navigation equipment with a self-locking function and convenient charging.

Background

The navigation equipment refers to navigation and guidance devices used in navigation, aviation, astronomy, hydrology, land transportation and other aspects, and terminal products thereof can be generally classified into navigation type, measurement type, time service type, direction finding type and the like. Satellite navigation is commonly used in the major fields of geographic data acquisition, mapping, vehicle monitoring and scheduling and navigation services, aviation and navigation, military, time and synchronization, mechanical control, mass consumption applications, and the like.

The existing bicycle navigation equipment is usually simply installed on a handlebar, the position of the existing bicycle navigation equipment is likely to deviate when riding, and even the existing bicycle navigation equipment drops from the handlebar, so that the existing bicycle navigation equipment is easy to damage and steal, the safety is not high, and moreover, the existing bicycle navigation equipment is usually charged for use, but the navigation equipment is usually required to be detached for recharging, and a user still needs to install the existing bicycle navigation equipment after the user washes the electricity, so that the existing bicycle navigation equipment is troublesome, and the practicability is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the bicycle navigation equipment with the self-locking function and convenient charging is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a bicycle navigation device with a self-locking function and convenient charging comprises a main body, a connecting pipe, a control box, a storage box and two arc-shaped pipes, wherein the main body is arranged above the control box through the connecting pipe, the storage box is provided with a plurality of small lamps and is fixed on one side below the control box, the two arc-shaped pipes are respectively positioned on two sides of a clamping ring, the arc-shaped pipes are communicated with the lower part of the control box, a charging mechanism is arranged in the storage box, a self-locking mechanism and a PLC are arranged in the control box, and the small lamps are electrically connected with the PLC;

the self-locking mechanism comprises a first motor, a driving rod, a first bearing, a self-locking unit, two first gears and two locking rings, wherein the outer ring of the first bearing and the first motor are respectively fixed on the inner walls of two sides of the control box, the first motor is in transmission connection with one end of the driving rod, the other end of the driving rod is fixedly connected with the inner ring of the first bearing, the first gears correspond to the locking rings one to one, the first gears are fixed on the driving rod and are coaxially arranged with the driving rod, the two locking rings are respectively arranged in the two arc-shaped pipes, the locking rings are provided with a plurality of external teeth, the locking rings are provided with notches, the sizes of the notches correspond to the distances between the two ends of the arc-shaped pipes, the first gears are meshed with the external teeth, and the first motor is electrically connected with;

the utility model discloses a charging mechanism, including the electric wire, the plug, second motor, cylinder, baffle, disc, second gear and translation subassembly, be equipped with the opening on the receiver, the second motor is fixed and is close to open-ended one side in the receiver, the second motor is connected with the baffle transmission, the one end of cylinder is fixed on the baffle, the other end and the disc fixed connection of cylinder, the cylinder sets up with the disc is coaxial, be equipped with a plurality of dogtooths in the periphery of disc, second gear and dogtooth meshing, the second gear is connected with the translation subassembly, the one end winding of electric wire is on the cylinder, the other end and the plug fixed connection of electric wire, the opening matches with the plug, the second motor is connected with the PLC electricity.

As preferred, in order to block first gear, the auto-lock unit includes cylinder and intubate, the intubate is fixed on the inner wall that is close to one side of first bearing in the control chamber, the cylinder body of cylinder is located between two first gears, the cylinder body of cylinder is fixed in the control chamber, the gas pole and the intubate of cylinder are just to setting up, and in two first gears, be close to and be equipped with a plurality of perforation on the first gear of first bearing, the perforation is around the central axis circumference evenly distributed of first gear, the perforation matches with the gas pole of cylinder.

Preferably, the outer teeth are coated with lubricating oil in order to reduce friction between the first gear and the outer teeth.

Preferably, in order to orderly wind the electric wire on the drum, the translation assembly comprises a screw rod, a moving block and two second bearings, the second gear is fixed on the screw rod, the second gear and the screw rod are coaxially arranged, the moving block is sleeved on the screw rod, a thread matched with the screw rod is arranged at the joint of the moving block and the screw rod, a through hole is formed in the moving block, one end of the electric wire close to the plug penetrates through the through hole, two ends of the screw rod are respectively fixedly connected with inner rings of the two second bearings, and an outer ring of each second bearing is fixed at the bottom of the storage box.

Preferably, in order to limit the moving direction of the moving block, a dovetail groove is provided between the two second bearings, the dovetail groove is fixed to the bottom of the storage box, and the moving block is slidably connected to the dovetail groove.

Preferably, the lead screw is coated with an anti-corrosion zinc coating in order to prevent the lead screw from rusting.

Preferably, in order to protect the plug, a cover plate is arranged on the opening, and the cover plate is hinged with the inner wall above the opening.

Preferably, in order to absorb shock to the main body, a buffer device is arranged in the connecting pipe, the buffer device comprises a connecting rod, a sealing plate and two magnets, the main body is fixedly connected with the sealing plate through the connecting rod, the sealing plate is connected with the inner wall of the connecting pipe in a sealing mode, the two magnets are fixed below the sealing plate and at the bottom in the connecting pipe respectively, and the two magnets are the same in magnetism.

Preferably, in order to prevent the sealing plate from separating from the connecting pipe, a limiting ring is arranged above the connecting pipe, the periphery of the limiting ring is fixed on the inner wall of the connecting pipe, a plurality of springs are arranged between the limiting ring and the sealing plate, and two ends of each spring are respectively fixedly connected with the limiting ring and the sealing plate.

Preferably, the first motor is a dc servo motor in order to increase the driving force of the first motor.

The bicycle navigation equipment with the self-locking function and convenient to charge has the advantages that the navigation equipment is fixed on the handlebar of the bicycle through the self-locking mechanism, compared with the existing self-locking mechanism, the self-locking mechanism is firmer to mount, good in anti-theft performance and improved in safety, moreover, the plug and the electric wire are collected and released through the charging mechanism, charging is convenient, compared with the existing charging mechanism, the charging mechanism is more convenient to use, and practicability is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a bicycle navigation device with self-locking function for convenient charging according to the present invention;

FIG. 2 is a schematic structural diagram of a self-locking mechanism of the bicycle navigation device with self-locking function for convenient charging according to the present invention;

FIG. 3 is a side view of the self-locking mechanism of the charging handy bicycle navigation device with self-locking function of the present invention;

FIG. 4 is a schematic structural diagram of a charging mechanism of the bicycle navigation device with self-locking function for convenient charging according to the present invention;

FIG. 5 is a schematic structural diagram of a buffering device of the bicycle navigation apparatus with self-locking function for convenient charging according to the present invention;

in the figure: 1. the automatic bearing device comprises a main body, a connecting pipe, a control box, a storage box, an arc-shaped pipe, a first motor, a driving rod, a baffle plate, a disc, a second gear, a cylinder, an insertion pipe, a screw rod, a moving block, a bearing, a dovetail groove, a cover plate, a connecting rod, a sealing plate, a magnet, a limiting ring, a spring and a spring, wherein the main body comprises 2 a connecting pipe, 3 a control box, 4 a storage box, 5 an arc-shaped pipe, 6 a first motor, 7 a driving rod, 8 a first bearing, 9 a first gear, 10 a locking ring, 11 an electric wire, 12 a plug, 13 a second motor, 14 a roller, 15 a.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, the bicycle navigation device with the self-locking function and convenient charging comprises a main body 1, a connecting pipe 2, a control box 3, a storage box 4 and two arc-shaped pipes 5, wherein the main body 1 is arranged above the control box 3 through the connecting pipe 2, the storage box 4 is provided with a plurality of small lamps on the main body 1 and is fixed at one side below the control box 3, the two arc-shaped pipes 5 are respectively positioned at two sides of a clamping ring, the arc-shaped pipes 5 are communicated with the lower part of the control box 3, a charging mechanism is arranged in the storage box 4, a self-locking mechanism and a PLC are arranged in the control box 3, and the small lamps are electrically connected with the;

a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.

The user installs the both sides at handlebar central authorities with two arc pipes 5 earlier, and self-locking mechanism realizes the function of auto-lock, and navigation equipment sends the light of different colours through the small lamp on the main part 1 to remind information such as user's turn, electric wire 11 and plug 12 are deposited in receiver 4, prevent to be corroded by rainwater, fog, and when needing to charge, the user pulls out plug 12 again, and the length of pulling out of adjustment electric wire 11 charges.

As shown in fig. 2-3, the self-locking mechanism comprises a first motor 6, a driving rod 7, a first bearing 8, a self-locking unit, two first gears 9 and two locking rings 10, the outer ring of the first bearing 8 and the first motor 6 are respectively fixed on the inner walls of two sides of the control box 3, the first motor 6 is in transmission connection with one end of a driving rod 7, the other end of the driving rod 7 is fixedly connected with the inner ring of a first bearing 8, the first gears 9 correspond to the locking rings 10 one by one, the first gears 9 are fixed on the driving rod 7, the first gear 9 is arranged coaxially with the driving rod 7, the two locking rings 10 are respectively arranged in the two arc-shaped pipes 5, the locking ring 10 is provided with a plurality of external teeth, the locking ring 10 is provided with a notch, the size of the notch corresponds to the distance between two ends of the arc-shaped pipe 5, the first gear 9 is meshed with the external teeth, and the first motor 6 is electrically connected with the PLC;

the first motor 6 drive actuating lever 7 of PLC control rotates, drive two first gear 9 transmissions, because the catch 10 is equipped with a plurality of external teeth and first gear 9 and external tooth meshing, catch 10 can rotate thereupon, when catch 10 and arc tube 5 form a confined circle, the auto-lock unit blocks first gear 9, prevent catch 10 to rotate, thereby realize the function of auto-lock, because two arc tubes 5 install respectively in the both sides of the central authorities of the handle of bicycle, the pole of the vertical setting of the center department of the handlebar of bicycle promptly is located between two arc tubes 5, can avoid the navigation setting to slide on the handlebar to a certain extent.

As shown in fig. 4, the charging mechanism includes an electric wire 11, a plug 12, a second motor 13, a roller 14, a baffle 15, a disc 16, a second gear 17 and a translation assembly, an opening is formed in the storage box 4, the second motor 13 is fixed on one side of the storage box 4 close to the opening, the second motor 13 is in transmission connection with the baffle 15, one end of the roller 14 is fixed on the baffle 15, the other end of the roller 14 is fixedly connected with the disc 16, the roller 14 and the disc 16 are coaxially arranged, a plurality of convex teeth are formed in the periphery of the disc 16, the second gear 17 is meshed with the convex teeth, the second gear 17 is connected with the translation assembly, one end of the electric wire 11 is wound on the roller 14, the other end of the electric wire 11 is fixedly connected with the plug 12, the opening is matched with the plug 12, and the second motor 13 is electrically connected with the PLC.

The PLC controls the second motor 13 to drive the baffle 15 to rotate, the roller 14 and the disc 16 to rotate, and simultaneously the external teeth on the disc 16 drive the second gear 17 to rotate, so as to drive the translation assembly to translate, thereby orderly winding the electric wire 11 on the roller 14.

Preferably, in order to clamp the first gear 9, the self-locking unit comprises a cylinder 18 and an insertion pipe 19, the insertion pipe 19 is fixed on the inner wall of one side, close to the first bearing 8, in the control chamber, the cylinder body of the cylinder 18 is located between the two first gears 9, the cylinder body of the cylinder 18 is fixed in the control chamber, the air rod of the cylinder 18 is arranged opposite to the insertion pipe 19, a plurality of through holes are formed in the first gear 9, close to the first bearing 8, of the two first gears 9, the through holes are circumferentially and uniformly distributed around the central axis of the first gear 9, and the through holes are matched with the air rod of the cylinder 18.

After the locking ring 10 rotates to form a closed circle with the arc-shaped pipe 5, the air rod of the PLC control cylinder 18 passes through the through hole and moves into the insertion pipe 19, so that the first gear 9 is clamped, the locking ring 10 is prevented from rotating again, the navigation equipment is locked on a handlebar, and the navigation equipment is prevented from falling or being stolen.

Preferably, in order to reduce the friction between the first gear 9 and the external teeth, the external teeth are coated with lubricating oil.

Preferably, in order to wind the electric wire 11 on the drum 14 in order, the translation assembly includes a screw rod 20, a moving block 21 and two second bearings 22, the second gear 17 is fixed on the screw rod 20, the second gear 17 is coaxially arranged with the screw rod 20, the moving block 21 is sleeved on the screw rod 20, a connection part of the moving block 21 and the screw rod 20 is provided with a thread matched with the screw rod 20, the moving block 21 is provided with a through hole, one end of the electric wire 11 close to the plug 12 passes through the through hole, two ends of the screw rod 20 are respectively fixedly connected with inner rings of the two second bearings 22, and an outer ring of the second bearing 22 is fixed at the bottom inside the storage box 4.

When the second gear 17 rotates, the lead screw 20 is driven to rotate, so that the moving block 21 is translated, and simultaneously the roller 14 rotates, so that the electric wire 11 is orderly wound on the roller 14.

Preferably, in order to limit the moving direction of the moving block 21, a dovetail groove 23 is provided between the two second bearings 22, the dovetail groove 23 is fixed to the bottom portion in the housing case 4, and the moving block 21 is slidably connected to the dovetail groove 23.

The dovetail groove 23 restricts the moving direction of the moving block 21 and prevents the moving block 21 from rotating along with the lead screw 20.

Preferably, in order to prevent the lead screw 20 from rusting, the lead screw 20 is coated with an anti-corrosion zinc coating.

Preferably, a cover plate 24 is arranged on the opening for protecting the plug 12, and the cover plate 24 is hinged with the inner wall above the opening.

As shown in fig. 5, a buffer device is arranged in the connecting pipe 2, the buffer device includes a connecting rod 25, a sealing plate 26 and two magnets 27, the main body 1 is fixedly connected with the sealing plate 26 through the connecting rod 25, the sealing plate 26 is hermetically connected with the inner wall of the connecting pipe 2, the two magnets 27 are respectively fixed below the sealing plate 26 and at the bottom of the connecting pipe 2, and the two magnets 27 have the same magnetism.

Preferably, in order to prevent the sealing plate 26 from separating from the connecting pipe 2, a stopper ring 28 is provided above the connecting pipe 2, the outer circumference of the stopper ring 28 is fixed to the inner wall of the connecting pipe 2, a plurality of springs 29 are provided between the stopper ring 28 and the sealing plate 26, and both ends of the springs 29 are fixedly connected to the stopper ring 28 and the sealing plate 26, respectively.

When the user rides in unevenness's road surface, the bicycle can take place to jolt, main part 1 if downstream, can drive spring 29 tensile, simultaneously because two 27 homophones of magnet repel each other, can produce ascending pulling force to closing plate 26, main part 1 if upstream, spring 29 compression can produce decurrent pressure to closing plate 26, thereby play the absorbing effect of buffering to main part 1, spacing ring 28 can prevent closing plate 26 roll-off connecting pipe 2, closing plate 26 and the inner wall sealing connection of connecting pipe 2, not only can restrict the moving direction of main part 1, when closing plate 26 removed, certain shock attenuation effect also can be realized to the frictional force of production.

Preferably, the first motor 6 is a dc servo motor in order to increase the driving force of the first motor 6.

The user installs two arc pipes 5 on two sides of the center of the handlebar, the PLC controls the first motor 6 to drive the driving rod 7 to rotate, the two first gears 9 are driven to transmit, the locking ring 10 is provided with a plurality of outer teeth, the first gears 9 are meshed with the outer teeth, the locking ring 10 rotates along with the outer teeth, when the locking ring 10 and the arc pipes 5 form a closed circle, the self-locking unit locks the first gears 9 and prevents the locking ring 10 from rotating, thereby realizing the self-locking function, the navigation equipment emits lights with different colors through the small lamp on the main body 1, thereby reminding the user of turning and other information, the electric wire 11 and the plug 12 are stored in the storage box 4 to prevent the electric wire from being corroded by rainwater and fog, when the user needs to charge, the user pulls out the plug 12 again to adjust the pull-out length of the electric wire 11 to charge, after the charge is finished, the PLC controls the second motor 13 to drive the baffle plate 15 to rotate, the roller 14, the translation assembly is driven to translate so as to wind the electric wire 11 orderly on the drum 14 and to withdraw the plug 12 into the housing box 4.

Compared with the prior art, this convenient bicycle navigation equipment charges with self-locking function fixes navigation equipment on the handlebar of bicycle through self-locking mechanism, compares with current self-locking mechanism, and this self-locking mechanism installation is more firm, and the theftproof performance is good, has improved the security, moreover, realizes receiving and releasing to plug 12 and electric wire 11 through charging mechanism, is convenient for charge, compares with current charging mechanism, and this charging mechanism uses more conveniently, has improved the practicality.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.