CN110696650A

CN110696650A - Charging equipment with good waterproof effect

Info

Publication number: CN110696650A
Application number: CN201910986019.0A
Authority: CN
Inventors: 郗丹丹
Original assignee: Nanjing Yurumeng Information Technology Co Ltd
Current assignee: Nanjing Yurumeng Information Technology Co Ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-01-17

Abstract

The invention relates to a charging device with good waterproof effect, which comprises a base, a main body, a shielding plate, a charging wire, a charging gun, a sealing mechanism and a rain shielding mechanism, wherein the sealing mechanism comprises a sealing shell, a motor, a bearing, a wire coil, a rotating shaft, a suspension wire and two sealing assemblies, each sealing assembly comprises a circular gear, a screw rod, a moving block, a connecting plate, a limiting unit, a sealing plate and a plurality of convex teeth, the rain shielding mechanism comprises a top plate, a lifting plate, two vertical rods and two lifting assemblies, each lifting assembly comprises a first bevel gear, a second bevel gear, a screw rod and a supporting unit, the charging device with good waterproof effect takes the charging gun into the sealing shell through the sealing mechanism after charging is finished, and utilizes the sealing plate to carry out sealing isolation protection to prevent the charging gun from being damaged due to moisture, in addition, the charging process, the baffle is driven to move downwards to shield an automobile, rainwater is prevented from hitting a charging, carry out waterproof sheltering from through the baffle, guarantee safe charging, improved the practicality of equipment.

Description

Charging equipment with good waterproof effect

Technical Field

The invention relates to the field of charging piles, in particular to charging equipment with a good waterproof effect.

Background

The function of the charging pile is similar to that of an oiling machine in a gas station, and the charging pile is installed in parking lots of public buildings and residential districts or charging stations and can charge electric vehicles of various models according to different voltage levels. Fill electric pile and generally provide two kinds of charging methods of conventional charging and quick charge, people can use specific charging card to use on the human-computer interaction operation interface that fills electric pile and punch the card, carry out operations such as corresponding charging method, charging time, expense data printing.

But current fill electric pile when outdoor use, the rifle that charges is mostly directly exposed externally, receives weather environment's influence easily, especially in rainy day, and the rifle that charges is drenched by the rainwater and takes place the short circuit and damage, and in the charging process, the rifle that charges inserts the car head that charges, and when rainfall takes place in the outside, also makes the car wet the damage after opening the mouth that charges easily, and then leads to current electric pile practicality that fills to reduce.

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 charging equipment with a good waterproof effect is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a charging device with good waterproof effect comprises a base, a main body, a shielding plate, a charging wire, a charging gun, a sealing mechanism and a rain shielding mechanism, wherein the main body is fixed above the base, a PLC is arranged in the main body, a display screen and a plurality of keys are arranged on the main body, the display screen and the keys are electrically connected with the PLC, the shielding plate is fixed above one end of the main body, the rain shielding mechanism is positioned above the shielding plate, the sealing mechanism is positioned below the shielding plate, and the charging gun is arranged on one side of the main body through the charging wire;

the sealing mechanism comprises a sealing shell, a motor, a bearing, a wire coil, a rotating shaft, a suspension wire and two sealing components, the sealing shell is fixed below the shielding plate, the motor and the bearing are fixed in the sealing shell, the motor is electrically connected with the PLC, the motor is in transmission connection with one end of the rotating shaft, the other end of the rotating shaft is arranged in the bearing, the wire coil is coaxially fixed at the center of the rotating shaft, the wire coil is connected with the charging gun through the suspension wire, the two sealing components are respectively positioned at two ends of the wire coil, the sealing components comprise a circular gear, a screw rod, a moving block, a connecting plate, a limiting unit, a sealing plate and a plurality of convex teeth, the convex teeth are circumferentially and uniformly distributed at the periphery of one end of the rotating shaft, the circular gear is positioned below the wire coil, the circular gear is meshed with the convex teeth, the circular gear is fixedly connected with one end of the screw rod, and the other, the screw rod is connected with the inner wall of the sealing shell through a limiting unit, the sealing plate abuts against the lower side of the sealing shell, the sealing shell is fixedly connected with the moving block through a connecting plate, and a first thread matched with the screw rod is arranged at the joint of the translation block and the screw rod;

the rain-proof mechanism includes roof, lifter plate, two montants and two lifting unit, the montant is fixed in the top of sunshade, the roof erects on two montants, the below at the both ends of lifter plate is equipped with the baffle, and two lifting unit are located the both ends of drum respectively, lifting unit includes first bevel gear, second bevel gear, sleeve pipe, screw rod and support element, the one end at the drum is fixed to first bevel gear coaxial, first bevel gear and second bevel gear meshing, the below at the roof is fixed to the sleeve pipe, the bottom and the second bevel gear fixed connection of screw rod, the top of screw rod passes sealed shell top and sunshade setting in the sleeve pipe in proper order, the lifter plate cover is established on the screw rod, the lifter plate be equipped with the second screw thread that matches with the screw rod with the junction of screw rod.

Preferably, in order to support the screw rod to rotate, the limiting unit comprises a limiting ring, the limiting ring is fixed in the sealing shell, and the limiting ring is sleeved on the screw rod.

Preferably, in order to avoid the sliding of the screw rod, a plurality of sliding blocks are arranged on the periphery of the screw rod, an annular notch is formed in the inner wall of the limiting ring, and the sliding blocks are connected with the notch in a sliding mode.

Preferably, in order to ensure the stability of the movement of the translation block and the connecting plate, the sealing assembly further comprises a transverse shaft, the transverse shaft fixes one side of the sealing shell, and the connecting plate is sleeved on the transverse shaft.

Preferably, in order to support the rotation of the screw rod, the support unit comprises a disc and a plurality of support blocks, the support blocks are circumferentially and uniformly distributed on the periphery of the screw rod, the support blocks are fixed above the shielding plate, the disc is coaxially fixed on the screw rod, the vertical section of each support block is U-shaped, and the periphery of the disc is located in a U-shaped opening of each support block.

Preferably, in order to reduce the resistance applied to the screw when the screw rotates, notches are formed in the inner walls of the two sides of the U-shaped opening of the supporting block, balls are arranged in the notches and matched with the notches, the centers of the balls are located in the notches, and the balls abut against the disc.

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

Preferably, in order to prevent the charging wires from being dragged, a guide wheel is arranged below the shutter, and one end of the charging wires, which is far away from the main body, is connected with the charging gun through the guide wheel and the sealing shell in sequence.

Preferably, in order to realize energy conservation and environmental protection of the equipment, the top plate is a photovoltaic plate.

Preferably, to avoid corrosion of the screw, the screw is coated with an anti-corrosion zinc coating.

The charging equipment with good waterproof effect has the advantages that the charging gun is contained in the sealing shell through the sealing mechanism after charging is finished, the sealing plate is used for sealing, isolating and protecting, and the charging gun is prevented from being damaged due to damp.

Drawings

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

Fig. 1 is a schematic structural diagram of a charging device with a good waterproof effect according to the present invention;

fig. 2 is a schematic structural diagram of a sealing mechanism of a charging device with a good waterproof effect according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

in the figure: 1. the automatic wire feeding device comprises a base, a main body, a shielding plate, a charging wire, a charging gun, a sealing shell, a motor, a bearing, a wire coil, a rotating shaft, a hanging wire, a circular gear, a lead screw, a moving block, a connecting plate, a sealing plate, a top plate, a lifting plate, a vertical rod, a connecting plate, a sealing plate, a top plate, a lifting rod, a sliding rod, a first bevel gear, a second bevel gear, a sleeve, a screw rod, a limiting ring, a sliding block, a transverse shaft, a disc and a supporting block, 29 balls, 30 guide wheels and 31 baffle plates.

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, a charging device with good waterproof effect comprises a base 1, a main body 2, a shielding plate 3, a charging wire 4, a charging gun 5, a sealing mechanism and a rain shielding mechanism, wherein the main body 2 is fixed above the base 1, a PLC is arranged in the main body 2, a display screen and a plurality of keys are arranged on the main body 2, the display screen and the keys are electrically connected with the PLC, the shielding plate 3 is fixed above one end of the main body 2, the rain shielding mechanism is located above the shielding plate 3, the sealing mechanism is located below the shielding plate 3, and the charging gun 5 is arranged on one side of the main body 2 through the charging wire 4;

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.

In the charging equipment, a base 1 is fixedly arranged at one side of a road, when a car owner needs to charge the car, the car owner moves close to a main body 2 while driving, after stopping the car, the car owner operates by pressing a button on the main body 2 to send a command to a PLC in the main body 2, after receiving the command, the PLC controls a sealing mechanism and a rain shielding mechanism to be started simultaneously, the charging gun 5 is conveniently put down by the sealing mechanism, the car owner can conveniently insert the charging gun 5 into a charging port of the car to charge, the rain shielding mechanism can shield two sides below a shielding plate 3 and move downwards through a baffle plate 31 to shield rainwater, the rainwater is prevented from hitting the charging port of the car in the charging process, the charging equipment is influenced to charge the car, after the charging is finished, the sealing mechanism automatically seals the charging gun 5 to prevent the rainwater from hitting the charging gun 5 in rainy days, and the safe charging of the car by the charging gun 5 is influenced, through carrying out isolation protection to the rifle 5 that charges, be convenient for charge to the car safety to the practicality of equipment has been improved.

As shown in fig. 2-3, the sealing mechanism includes a sealing housing 6, a motor 7, a bearing 8, a wire coil 9, a rotating shaft 10, a suspension wire 11 and two sealing assemblies, the sealing housing 6 is fixed below the shielding plate 3, the motor 7 and the bearing 8 are both fixed in the sealing housing 6, the motor 7 is electrically connected to the PLC, the motor 7 is in transmission connection with one end of the rotating shaft 10, the other end of the rotating shaft 10 is disposed in the bearing 8, the wire coil 9 is coaxially fixed at the center of the rotating shaft 10, the wire coil 9 is connected to the charging gun 5 through the suspension wire 11, the two sealing assemblies are respectively located at two ends of the wire coil 9, the sealing assemblies include circular gears 12, a lead screw 13, a moving block 14, a connecting plate 15, a limiting unit, a sealing plate 16 and a plurality of convex teeth, the convex teeth are circumferentially and uniformly distributed on the periphery of one end of the rotating shaft 10, the circular gears 12 are located, the circular gear 12 is meshed with the convex teeth, the circular gear 12 is fixedly connected with one end of a screw rod 13, the other end of the screw rod 13 penetrates through the inner wall of the sealing shell 6 and is arranged in a moving block 14, the screw rod 13 is connected with the inner wall of the sealing shell 6 through a limiting unit, the sealing plate 16 abuts against the lower portion of the sealing shell 6, the sealing shell 6 is fixedly connected with the moving block 14 through a connecting plate 15, and a first thread matched with the screw rod 13 is arranged at the connecting position of the translation block and the screw rod 13;

in the sealing mechanism, the position of a sealing block is fixed below a shielding plate 3, a PLC (programmable logic controller) can control a motor 7 in a sealing shell 6 to start, a rotating shaft 10 is driven to rotate under the supporting action of a bearing 8, the rotating shaft 10 drives a wire coil 9 to synchronously rotate, so that a suspension wire 11 on the wire coil 9 is loosened or retracted, meanwhile, convex teeth rotate around the axis of the rotating shaft 10 at the peripheries of two ends of the wire coil 9 and act on a circular gear 12, the convex teeth act on the circular gear 12, so that the circular gear 12 rotates, the circular gear 12 drives a screw rod 13 to rotate under the action of a limiting unit, the screw rod 13 acts on a translation block through a first thread, so that the translation block moves along the axis of the screw rod 13, the translation block is fixedly connected with a sealing plate 16 through a connecting plate 15, so that the sealing plate 16 moves, when the wire coil 9 loosens the suspension wire 11, the charging gun 5, two closing plates 16 keep away from each other simultaneously, make things convenient for the rifle 5 that charges to shift out sealed shell 6 downstream, the car owner can charge in the rifle 5 that charges inserts the car charging port this moment, after charging finishes, the car owner extracts the rifle 5 that charges, drum 9 antiport this moment, tighten up plumb line 11, make plumb line 11 drive rifle 5 that charges to move upwards, get into in sealed shell 6, two closing plates 16 are close to each other simultaneously and block up sealed shell 6, rifle 5 that charges in the sealed shell 6 carries out isolation protection, prevent to charge rifle 5 and wet or hit by the rainwater, and influence its use.

As shown in fig. 1 and 4, the rain shield mechanism includes a top plate 17, a lifting plate 18, two vertical rods 19 and two lifting assemblies, the vertical rods 19 are fixed above the shielding plate 3, the top plate 17 is erected on the two vertical rods 19, the baffles 31 are arranged below the two ends of the lifting plate 18, the two lifting components are respectively positioned at the two ends of the wire coil 9, the lifting assembly comprises a first bevel gear 20, a second bevel gear 21, a sleeve 22, a screw 23 and a support unit, the first bevel gear 20 is coaxially fixed at one end of the wire coil 9, the first bevel gear 20 is meshed with the second bevel gear 21, the sleeve 22 is fixed below the top plate 17, the bottom end of the screw 23 is fixedly connected with the second bevel gear 21, the top end of the screw 23 is arranged in the sleeve 22 through the top of the sealing shell 6 and the shielding plate 3 in sequence, the lifting plate 18 is sleeved on the screw 23, and a second thread matched with the screw 23 is arranged at the joint of the lifting plate 18 and the screw 23.

In the rain shielding mechanism, the position of the top plate 17 can be fixed through two vertical rods 19 fixed on the shielding plate 3, the motor 7 drives the rotating shaft 10 to rotate, simultaneously, the first bevel gear 20 on the wire coil 9 is driven to rotate, the first bevel gear 20 acts on the second bevel gear 21 meshed with the first bevel gear, the second bevel gear 21 is driven to rotate, and further the screw 23 is driven to rotate under the action of the supporting unit, the screw 23 acts on the lifting plate 18 through the second thread, so that the lifting plate 18 carries out lifting movement, the baffle plates 31 below the two ends of the lifting plate 18 are driven to carry out lifting movement, when the suspension wires 11 on the wire coil 9 are loosened, the lifting plate 18 drives the baffle plates 31 to move downwards, the baffle plates 31 are utilized to shield the two sides below the shielding plates 3, rainwater is prevented from entering the automobile charging port in the charging process to influence charging, after charging is finished, the wire coil 9 tightens the, make things convenient for the road of sunshade 3 below to lead to the car and use, the car owner of being convenient for is driven the car out, so, has realized charging at the waterproof safety of rainy day, has improved the practicality of equipment.

Preferably, in order to support the screw 13 to rotate, the limiting unit comprises a limiting ring 24, the limiting ring 24 is fixed in the sealing shell 6, and the limiting ring 24 is sleeved on the screw 13. The limiting ring 24 fixed in the sealing shell 6 is sleeved on the periphery of the screw rod 13, and the position of the rotation axis 10 line of the screw rod 13 is fixed, so that the screw rod 13 can rotate around the axis of the limiting ring 24 under the supporting action of the limiting ring 24.

Preferably, in order to avoid the sliding of the screw rod 13, a plurality of sliding blocks 25 are arranged on the periphery of the screw rod 13, an annular notch is arranged on the inner wall of the limiting ring 24, and the sliding blocks 25 are connected with the notch in a sliding manner.

In the rotating process of the screw rod 13, the sliding block 25 at the periphery of the screw rod 13 slides in the annular notch of the limiting ring 24, and the sliding block 25 on the screw rod 13 cannot move left and right due to the fixed position of the limiting ring 24, so that the sliding of the screw rod 13 is avoided, and the screw rod 13 is convenient to rotate stably.

Preferably, in order to ensure the stability of the movement of the translation block and the connection plate 15, the sealing assembly further comprises a transverse shaft 26, the transverse shaft 26 fixes one side of the sealing shell 6, and the connection plate 15 is sleeved on the transverse shaft 26. The transverse shaft 26 fixed on the sealing shell 6 penetrates through the connecting plate 15, so that the moving direction of the connecting plate 15 is fixed, and the connecting plate 15 is fixedly connected with the translation block, so that the moving stability of the translation block is ensured.

As shown in fig. 2, the supporting unit includes a circular disc 27 and a plurality of supporting blocks 28, the supporting blocks 28 are circumferentially and uniformly distributed on the periphery of the screw 23, the supporting blocks 28 are fixed above the shield 3, the circular disc 27 is coaxially fixed on the screw 23, the supporting blocks 28 have a U-shaped vertical cross section, and the periphery of the circular disc 27 is located in the U-shaped opening of the supporting blocks 28.

In the supporting unit, the disc 27 is coaxially and fixedly connected with the screw 23, the periphery of the disc 27 is arranged in the U-shaped opening of the supporting block 28, and the supporting block 28 is fixed above the shielding plate 3, so that the disc 27 can be prevented from sliding up and down, the height position of the screw 23 is further fixed, and the screw 23 can be conveniently and stably rotated under the height position.

Preferably, in order to reduce the resistance applied when the screw 23 rotates, notches are formed on the inner walls of the two sides of the U-shaped opening of the supporting block 28, balls 29 are arranged in the notches, the balls 29 are matched with the notches, the centers of the balls 29 are located in the notches, and the balls 29 abut against the disc 27.

When the screw 23 rotates, the disc 27 is driven to rotate, the disc 27 drives the balls 29 to roll in the notches, and resistance received when the disc 27 rotates is reduced through rolling of the balls 29, so that the screw 23 can rotate conveniently.

Preferably, the motor 7 is a dc servo motor 7 in order to ensure the driving force of the motor 7 by utilizing the characteristic that the driving force of the dc servo motor 7 is strong.

Preferably, in order to prevent the charging wires 4 from being dragged, a guide wheel 30 is provided below the shutter 3, and one end of the charging wires 4, which is far from the main body 2, is connected to the charging gun 5 through the guide wheel 30 and the sealing case 6 in sequence. Through the moving direction of leading wheel 30 guidable rifle 5 that charges, avoid charging wire 4 overlength to drag the wadding subaerial, prevent that charging wire 4 from receiving wearing and tearing or extrusion damage.

Preferably, in order to realize energy saving and environmental protection of the equipment, the top plate 17 is a photovoltaic plate. The roof 17 can be used for photovoltaic power generation in fine days, electric energy is stored and is supplied to the equipment for charging the automobile, and energy conservation and environmental protection of the equipment are realized.

Preferably, the screw 23 is coated with an anti-corrosion zinc coating in order to prevent the screw 23 from being corroded. By coating the screw 23 with the anti-corrosion zinc coating, the screw 23 exposed outside is prevented from being corroded by rainwater to influence the transmission connection between the screw and the lifting plate 18.

When the charging equipment is built behind the roadside, when an automobile runs alongside and stops beside a main body 2 for charging, a rotating shaft 10 is driven by a motor 7 to rotate, a suspension wire 11 on a wire coil 9 is loosened, the charging gun 5 moves downwards and simultaneously drives a screw rod 13 to rotate, two translation blocks are far away from each other, and then two sealing plates 16 are driven to be far away from each other, so that the charging gun 5 can move downwards conveniently and extend below a sealing shell 6 to charge the automobile, and simultaneously a screw rod 23 is driven to rotate through a first bevel gear 20 and a second bevel gear 21, so that a lifting plate 18 drives two baffle plates 31 to move downwards along the axial direction of the screw rod 23 to shield the automobile, the automobile can be charged safely in rainy days, rainwater is prevented from hitting a charging port during charging, after charging is finished, the motor 7 drives the rotating shaft 10 to rotate reversely, the suspension wire 11 is tightened through the wire coil 9, and the charging gun 5 is driven to be accommodated in the sealing, two closing plates 16 are close to each other and remove, plug up seal shell 6, keep apart rifle 5 that charges and carry out sealed water proof in seal shell 6, avoid rifle 5 that charges to damage to drive lifter plate 18 rebound through reverse pivoted screw rod 23, make baffle 31 shift up, make things convenient for the below of sunshade 3 to lead to the car, so, realized good waterproof function, improved the practicality of equipment.

Compared with the prior art, this charging equipment that water-proof effects is good passes through sealing mechanism and will charge in rifle 5 income seal shell 6 after finishing charging, and utilize closing plate 16 to carry out sealed isolation protection, prevent to charge rifle 5 and wet the damage, moreover, in charging process, drive baffle 31 downstream, shelter from the car, the rainwater is beaten on the car mouth that charges when preventing to charge, carry out waterproof the sheltering from through baffle 31, guarantee safe charging, thereby the practicality of equipment has been improved.

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.

Claims

1. The charging equipment with the good waterproof effect is characterized by comprising a base (1), a main body (2), a shielding plate (3), a charging wire (4), a charging gun (5), a sealing mechanism and a rain shielding mechanism, wherein the main body (2) is fixed above the base (1), the main body (2) is internally provided with a PLC (programmable logic controller), the main body (2) is provided with a display screen and a plurality of keys, the display screen and the keys are electrically connected with the PLC, the shielding plate (3) is fixed above one end of the main body (2), the rain shielding mechanism is positioned above the shielding plate (3), the sealing mechanism is positioned below the shielding plate (3), and the charging gun (5) is arranged on one side of the main body (2) through the charging wire (4);

the sealing mechanism comprises a sealing shell (6), a motor (7), a bearing (8), a wire coil (9), a rotating shaft (10), a suspension wire (11) and two sealing assemblies, wherein the sealing shell (6) is fixed below the shielding plate (3), the motor (7) and the bearing (8) are fixed in the sealing shell (6), the motor (7) is electrically connected with the PLC, the motor (7) is in transmission connection with one end of the rotating shaft (10), the other end of the rotating shaft (10) is arranged in the bearing (8), the wire coil (9) is coaxially fixed at the center of the rotating shaft (10), the wire coil (9) is connected with the charging gun (5) through the suspension wire (11), the two sealing assemblies are respectively located at two ends of the wire coil (9), each sealing assembly comprises a circular gear (12), a lead screw (13), a moving block (14), a connecting plate (15), a limiting unit, The sealing device comprises a sealing plate (16) and a plurality of convex teeth, wherein the convex teeth are uniformly distributed on the periphery of one end of a rotating shaft (10) in the circumferential direction, a circular gear (12) is positioned below a wire coil (9), the circular gear (12) is meshed with the convex teeth, the circular gear (12) is fixedly connected with one end of a lead screw (13), the other end of the lead screw (13) penetrates through the inner wall of a sealing shell (6) and is arranged in a moving block (14), the lead screw (13) is connected with the inner wall of the sealing shell (6) through a limiting unit, the sealing plate (16) abuts against the lower part of the sealing shell (6), the sealing shell (6) is fixedly connected with the moving block (14) through a connecting plate (15), and a first thread matched with the lead screw (13) is arranged at the connecting part of a translation block and the lead screw (13);

the rain shielding mechanism comprises a top plate (17), a lifting plate (18), two vertical rods (19) and two lifting components, wherein the vertical rods (19) are fixed above the shielding plate (3), the top plate (17) is erected on the two vertical rods (19), a baffle plate (31) is arranged below the two ends of the lifting plate (18), the two lifting components are respectively positioned at the two ends of the wire coil (9), each lifting component comprises a first bevel gear (20), a second bevel gear (21), a sleeve (22), a screw rod (23) and a supporting unit, the first bevel gear (20) is coaxially fixed at one end of the wire coil (9), the first bevel gear (20) is meshed with the second bevel gear (21), the sleeve (22) is fixed below the top plate (17), the bottom end of the screw rod (23) is fixedly connected with the shielding plate gear (21), the top end of the screw rod (23) sequentially penetrates through the top of the sealing shell (6) and the second bevel gear (3) is arranged in the sleeve (22), the lifting plate (18) is sleeved on the screw rod (23), and a second thread matched with the screw rod (23) is arranged at the joint of the lifting plate (18) and the screw rod (23).

2. The charging equipment with good waterproof effect as claimed in claim 1, wherein the limiting unit comprises a limiting ring (24), the limiting ring (24) is fixed in the sealing shell (6), and the limiting ring (24) is sleeved on the screw rod (13).

3. The charging equipment with good waterproof effect as claimed in claim 2, wherein a plurality of sliding blocks (25) are arranged on the periphery of the screw rod (13), an annular notch is arranged on the inner wall of the limiting ring (24), and the sliding blocks (25) are connected with the notch in a sliding manner.

4. The charging device with good waterproof effect as claimed in claim 1, wherein the sealing assembly further comprises a transverse shaft (26), the transverse shaft (26) is fixed on one side of the sealing shell (6), and the connecting plate (15) is sleeved on the transverse shaft (26).

5. The charging equipment with good waterproof effect according to claim 1, wherein the supporting unit comprises a disc (27) and a plurality of supporting blocks (28), the supporting blocks (28) are circumferentially and uniformly distributed on the periphery of the screw (23), the supporting blocks (28) are fixed above the shielding plate (3), the disc (27) is coaxially fixed on the screw (23), the vertical section of the supporting blocks (28) is U-shaped, and the periphery of the disc (27) is positioned in the U-shaped opening of the supporting blocks (28).

6. The charging apparatus with good waterproof effect according to claim 5, wherein notches are formed on the inner walls of the two sides of the U-shaped opening of the supporting block (28), balls (29) are arranged in the notches, the balls (29) are matched with the notches, the centers of the balls (29) are located in the notches, and the balls (29) abut against the disc (27).

7. The charging apparatus with good waterproof effect according to claim 1, wherein the motor (7) is a dc servo motor (7).

8. The charging equipment with good waterproof effect according to claim 1, wherein a guide wheel (30) is arranged below the shield (3), and one end of the charging wire (4) far away from the main body (2) is connected with the charging gun (5) through the guide wheel (30) and the sealing shell (6) in sequence.

9. The charging apparatus with good waterproof effect according to claim 1, wherein the top plate (17) is a photovoltaic plate.

10. The charging equipment with good waterproof effect as claimed in claim 1, wherein the screw rod (23) is coated with an anti-corrosion zinc coating.