CN116331032A

CN116331032A - Electric automobile fills electric pile

Info

Publication number: CN116331032A
Application number: CN202310552769.3A
Authority: CN
Inventors: 颜广科; 王文波; 潘彦羽; 钟锐
Original assignee: Guangdong Hanneng New Energy Technology Co ltd
Current assignee: Guangdong Hanneng New Energy Technology Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-06-27

Abstract

The invention discloses an electric automobile charging pile, which relates to the technical field of charging piles, and comprises a charging pile main body, wherein a mounting seat is fixed at the bottom of the charging pile main body, a hollow end and a built-in cavity are respectively arranged at the upper end and the lower end of the charging pile main body, one side of the built-in cavity is connected with an access cover through a hinge, and the charging pile further comprises a winding and unwinding assembly; the cable winding and unwinding roller is arranged on the cable winding and unwinding roller, and the cable winding and unwinding roller is arranged on the cable winding and unwinding roller; by means of the torsion spring, reset power of the cable is conveniently provided, and meanwhile, tensioning of the cable during charging is guaranteed.

Description

Electric automobile fills electric pile

Technical Field

The invention relates to the technical field of charging piles, in particular to an electric automobile charging pile.

Background

The charging pile is a charging device for providing energy supplement for the electric automobile, the input end of the charging pile is directly connected with the alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile.

The charging pile can be fixed on the ground or a wall, is installed in a parking lot or a charging station of a public building and a residential community, and can charge various types of electric automobiles according to different voltage levels.

Through retrieving, chinese patent with publication number CN218805288U discloses a charging pile, including stand, charging pile protecgulum and charging pile backshell, the top of charging pile protecgulum and charging pile backshell is provided with the canopy, the rear end fixed mounting of charging pile protecgulum has a charging pile backplate, it buckles with charging pile link plate each other to charge the pile backplate, it passes through screwed connection with the canopy and fixes on the stand to charge the pile backplate, the surface fixed mounting of stand has the rifle seat, the rifle line of charging is fixed on the rifle seat.

The sealing strip is equipped with to the protecgulum in this patent, can prevent effectively that the electric pile from intaking, and the material that uses is the panel beating, has increased intensity, has improved the reliability, is equipped with the canopy and can prevent effectively that the electric pile from intaking and avoid the ultraviolet ray to penetrate the electric pile that fills directly.

However, the above invention has the following disadvantages: in the above patent, the cable is not stored and designed, so that the cable can be limited within a certain length range in order to avoid the situations of mopping, scattering and the like, so that the length of the cable connected with the gun head cannot be automatically adjusted according to the actual use situation, and in extreme situations, for example, the situation that the parking space is occupied and the vehicle cannot be smoothly poured into the parking space due to the fact that the parking positions of vehicles on two sides are not standard, the cable cannot be limited by the length of the cable, emergency charging cannot be performed, so that the limitation exists.

Disclosure of Invention

The invention aims to provide an electric automobile charging pile so as to solve the problems in the background art.

The technical scheme of the invention is as follows: the utility model provides an electric automobile fills electric pile, includes that the bottom is fixed with the electric pile main part of mount pad, fill electric pile main part upper and lower extreme position and seted up hollow end and built-in chamber respectively, there is the access cover one side in built-in chamber through hinged joint, still includes;

the winding and unwinding assembly is arranged in the hollow end and comprises a movable box, support ring plates are fixed on the inner walls of two sides of the movable box, winding and unwinding rollers are installed between the support ring plates and the movable box in a rotating mode, torsion springs are fixedly connected between the circumferential inner walls of the support ring plates and the winding and unwinding rollers, spiral grooves are formed in the circumferential outer walls of the winding and unwinding rollers, cables are wound in the spiral grooves, one ends of the cables are electrically connected with the charging pile body, gun heads are electrically connected with the other ends of the cables, long round grooves are formed in one side of the movable box, and closed soft hairs which are arranged in a staggered mode are arranged on the inner side walls of the long round grooves;

the liquid cooling assembly is arranged in the built-in cavity;

the fixed plate, the fixed plate is fixed in one side of fretwork end, set up frame shape heavy groove on the fixed plate, and the sliding connection has the removal plate in the frame shape heavy groove, be fixed with the ring end on the removal plate, and fixedly provided with a plurality of soft brushes on the interior perisporium of ring end, one side that the fixed plate is close to the top is fixed with rifle head socket, and rifle head socket and rifle head looks adaptation.

Preferably, an inner body is fixedly installed inside the inner cavity.

Preferably, a pair of guide rods are fixed on two sides of the hollowed end, side clamping frames are fixed on two sides of the movable box, the side clamping frames are in sliding fit with the guide rods, bottom wheels are mounted at corners of the bottom end of the movable box, a corrugated soft sleeve is fixedly connected between one side, away from the fixed plate, of the movable box and the charging pile body, and the section of the corrugated soft sleeve is in a long strip shape.

Preferably, the liquid cooling assembly comprises a liquid storage tank fixedly arranged in the built-in cavity, and a radiating opening is formed in one side, close to the liquid storage tank, of the charging pile body.

Preferably, the through hole is offered to one side of liquid reserve tank, and the inner wall of liquid reserve tank is close to the position department of through hole and is fixed with the copper, be fixed with a plurality of water conservancy diversion arc pieces and convection arc piece between copper and the liquid reserve tank, and the opening of water conservancy diversion arc piece and convection arc piece sets up in opposite directions, the opposite side of copper is provided with the semiconductor refrigerator, and semiconductor refrigerator and through hole inner wall fixed connection, the refrigeration end of semiconductor refrigerator contacts with the copper.

Preferably, one end of the liquid storage tank, which is close to the bottom, is fixedly communicated with a liquid pump, the input end of the liquid pump and the other side of the liquid storage tank are fixedly communicated with communicating pipes, two communicating pipes are fixedly communicated with a main pipe at the end part of each communicating pipe, and a plurality of water-cooling branch pipes distributed at equal distances are fixedly communicated between the two main pipes.

Preferably, the extension frame is fixed at the position of the outer wall of the charging pile body, which is close to the heat dissipation opening, and the extension frame is provided with a slot, the inserting plate is slidably mounted in the slot, and one end of the inserting plate, which is close to the bottom, is fixedly provided with a plurality of limiting blocks.

Preferably, the both sides of removing the box are fixedly connected with roof-rack jointly, and roof-rack and fill electric pile main part top sliding connection, fixedly connected with flexibility between roof-rack and the picture peg jointly drags the strip, fill electric pile main part top one side edge department and install the guide roll.

Preferably, a touch switch is fixed on one side of the hollowed-out end, and the touch switch, the liquid pump and the semiconductor refrigerator form a complete loop.

Compared with the prior art, the electric automobile charging pile provided by the invention has the following improvements and advantages:

the method comprises the following steps: the cable winding and unwinding roller is arranged on the cable winding and unwinding roller, and the cable winding and unwinding roller is arranged on the cable winding and unwinding roller; the torsion spring is convenient for providing reset power for the cable, and is beneficial to ensuring the tensioning of the cable during charging, and the cable can be self-adaptively adjusted in length, so that the flexibility requirement in the use process is met;

and two,: according to the invention, when a user pulls the cable through the gun head and resets the subsequent cable, the moving cable can pass through the ring end and brush the surface of the cable through the soft brush on the ring end, so that the surface of the cable is cleaned, and rainwater can be reduced from adhering to the surface of the cable;

and thirdly,: when the charging pile is used, the movable box does not press the touch switch any more and turns on a loop between the liquid pump and the semiconductor refrigerator when the movable box moves towards the direction of the fixed plate, namely, when the charging pile is used, the liquid pump and the semiconductor refrigerator can be automatically started to realize cooling operation of the inner main body, and meanwhile, the plugboard is communicated with the movable box to move so as to facilitate heat dissipation of the semiconductor refrigerator; by means of the arranged diversion arc piece and convection arc piece, liquid can rise in a guiding way through the diversion arc piece under the action of a subsequent liquid pump and impact with the convection arc piece, and the design can enable the liquid to be fully mixed, so that liquid with higher temperature flowing back through the liquid pump can be quickly mixed with low-temperature liquid in the liquid storage tank and cooled; meanwhile, the design can also enable the liquid to be fully contacted with the diversion arc piece and the convection arc piece for heat exchange, so that the water liquid is efficiently cooled, and the liquid cooling effect of the inner main body is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an overall first perspective view of the present invention;

FIG. 2 is a schematic view of the overall second perspective of the present invention;

fig. 3 is a schematic view of a partially cut-away structure of a charging pile body according to the present invention;

FIG. 4 is a schematic perspective view of a water-cooled branch pipe according to the present invention;

fig. 5 is a schematic view showing a cut-away structure of a charging pile body according to the present invention;

FIG. 6 is a schematic diagram of a semi-sectional structure of a mobile box according to the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6A according to the present invention;

fig. 8 is a schematic diagram of the internal structure of the liquid storage tank of the present invention.

Reference numerals:

1. a charging pile body; 11. a mounting base; 12. an access cover; 13. a built-in cavity; 14. an inner body; 15. a hollow end; 16. a guide rod; 17. an extension frame; 171. a slot; 18. a touch switch; 2. a moving case; 21. a bottom wheel; 22. a side clamping frame; 23. corrugated soft sleeve; 24. a long round groove; 25. sealing the soft hair; 26. a support ring plate; 27. a wire winding and unwinding roller; 271. a spiral wire slot; 28. a torsion spring; 3. a cable; 31. a gun head; 4. a fixing plate; 41. a gun head socket; 42. a frame-shaped sink; 43. moving the plate; 431. a loop end; 432. a soft brush; 5. a top frame; 51. a flexible tow bar; 52. a guide roller; 53. inserting plate; 54. a limiting block; 6. a liquid storage tank; 61. a liquid pump; 62. a main pipe; 63. a water-cooling branch pipe; 64. a diversion arc piece; 65. convection arc piece; 66. copper plate; 67. a semiconductor refrigerator; 68. and communicating pipe.

Detailed Description

The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention provides an electric automobile charging pile through improvement, which comprises the following technical scheme:

as shown in fig. 1 to 8, an embodiment of the present invention provides an electric vehicle charging pile, which includes a charging pile body 1 with a mounting seat 11 fixed at the bottom, wherein the upper and lower ends of the charging pile body 1 are respectively provided with a hollowed-out end 15 and a built-in cavity 13, and one side of the built-in cavity 13 is connected with an access cover 12 through a hinge, and further includes;

the winding and unwinding assembly is arranged in the hollowed-out end 15, the winding and unwinding assembly comprises a movable box 2, supporting annular plates 26 are fixed on the inner walls of two sides of the movable box 2, winding and unwinding rollers 27 are installed between the two supporting annular plates 26 and the movable box 2 in a rotating mode, torsion springs 28 are fixedly connected between the circumferential inner walls of the two supporting annular plates 26 and the winding and unwinding rollers 27, spiral grooves 271 are formed in the circumferential outer walls of the winding and unwinding rollers 27, cables 3 are wound in the spiral grooves 271, one ends of the cables 3 are electrically connected with the charging pile body 1, the other ends of the cables 3 are electrically connected with gun heads 31, long round grooves 24 are formed in one side of the movable box 2, and sealing soft hairs 25 which are arranged in a staggered mode are arranged on the inner walls of the long round grooves 24, and the sealing effect of the movable box 2 can be effectively guaranteed by the aid of the arranged sealing soft hairs 25; the cable 3 can be regularly wound and unwound by utilizing the spiral groove 271 which is matched with the winding and unwinding roller 27, and meanwhile, when a user pulls the cable 3 at one end by means of the gun head 31, the winding and unwinding roller 27 rotates and releases the cable 3 at the other end, so that the movable box 2 can move towards the direction of the subsequent fixing plate 4, the cable 3 can be conveniently released, and charging operation is performed;

by means of the torsion spring 28, reset power of the cable 3 is conveniently provided, and meanwhile, tensioning of the cable 3 during charging is guaranteed; meanwhile, the length of the cable 3 can be adjusted in a self-adaptive mode according to actual charging conditions, and the flexibility requirement in the using process is met.

The liquid cooling assembly is arranged in the built-in cavity 13; the liquid cooling assembly is used for cooling the inner main body 14 inside the built-in cavity 13.

The fixing plate 4 is fixed on one side of the hollowed-out end 15, a frame-shaped sinking groove 42 is formed in the fixing plate 4, a movable plate 43 is connected in a sliding mode in the frame-shaped sinking groove 42, a ring end 431 is fixed on the movable plate 43, a plurality of soft brushes 432 are fixedly arranged on the inner peripheral wall of the ring end 431, a gun head socket 41 is fixed on one side, close to the top, of the fixing plate 4, and the gun head socket 41 is matched with the gun head 31; the gun head socket 41 is arranged, so that the gun head 31 can be conveniently stored.

Through the above structure, when a user pulls the cable 3 through the gun head 31 and resets the following cable 3, the moving cable 3 can pass through the ring end 431 and brush the surface of the cable 3 through the soft brush 432 on the ring end 431, so that the cleaning of the surface of the cable 3 is realized, and the adhesion of rainwater to the surface of the cable 3 can be reduced.

Further, an inner body 14 is fixedly installed inside the inner cavity 13; the inner body 14 is a core processing module of the charging pile, and the inner body 14 is integrally provided with an internal circuit and a control panel.

As a further scheme of the invention, a pair of guide rods 16 are fixed on both sides of the hollowed-out end 15, side clamping frames 22 are fixed on both sides of the movable box 2, the side clamping frames 22 are in sliding fit with the guide rods 16, bottom wheels 21 are arranged at corners of the bottom end of the movable box 2, a corrugated soft sleeve 23 is fixedly connected between one side of the movable box 2 far away from the fixed plate 4 and the charging pile main body 1, and the section of the corrugated soft sleeve 23 is in a strip shape; the corrugated soft sleeve 23 can protect the cable 3 at one end, and can provide certain auxiliary effect for resetting the movable box 2 after the charging is finished subsequently.

The guide rod 16 matched with the side clamping frame 22 can play a good supporting and guiding role on the movement of the moving box 2, and the bottom wheel 21 matched with the side clamping frame can ensure the stability of the moving box 2 during movement.

As a further scheme of the invention, the liquid cooling assembly comprises a liquid storage tank 6 fixedly arranged in a built-in cavity 13, and a radiating opening is formed in one side, close to the liquid storage tank 6, of the charging pile body 1.

Further, the through hole is opened on one side of the liquid storage tank 6, and the position of the inner wall of the liquid storage tank 6 close to the through hole is fixed with the copper plate 66, a plurality of guide arc sheets 64 and convection arc sheets 65 are fixed between the copper plate 66 and the liquid storage tank 6, and openings of the guide arc sheets 64 and the convection arc sheets 65 are arranged in opposite directions, the semiconductor refrigerator 67 is arranged on the other side of the copper plate 66, the semiconductor refrigerator 67 is fixedly connected with the inner wall of the through hole, and a refrigerating end of the semiconductor refrigerator 67 is in contact with the copper plate 66.

Through the structure, when the charging pile charges the vehicle, the semiconductor refrigerator 67 can be started, and the refrigeration end of the semiconductor refrigerator is used for contacting with the copper plate 66, so that the temperature of the copper plate 66 and the diversion arc piece 64 and the convection arc piece 65 at one side of the copper plate is rapidly reduced, and the liquid in the liquid storage tank 6 is always kept in a lower temperature state;

by means of the arranged diversion arc piece 64 and convection arc piece 65, liquid can be guided to rise through the diversion arc piece 64 under the action of the subsequent liquid pump 61 and impact with the convection arc piece 65, and by means of the design, the liquid can be fully mixed, so that liquid with higher temperature and flowing back through the liquid pump 61 can be quickly mixed with low-temperature liquid in the liquid storage tank 6, and the temperature is reduced; meanwhile, the design can also enable the liquid to fully contact with the diversion arc piece 64 and the convection arc piece 65 for heat exchange, so that the water liquid is efficiently cooled, and the liquid cooling effect on the inner main body 14 is ensured.

Further, one end of the liquid storage tank 6 near the bottom is fixedly communicated with the liquid pump 61, the input end of the liquid pump 61 and the other side of the liquid storage tank 6 are fixedly communicated with the communicating pipes 68, the ends of the two communicating pipes 68 are fixedly communicated with the main pipes 62, a plurality of water-cooling branch pipes 63 distributed at equal intervals are fixedly communicated between the two main pipes 62, and meanwhile, as shown in fig. 3 and 4, the plurality of water-cooling branch pipes 63 are arranged around the outer side of the inner main body 14.

With the above structure, when the liquid pump 61 is operated, the circulation flow of the water in the main pipe 62 and the plurality of water-cooling branch pipes 63 can be promoted, and the inner body 14 can be rapidly cooled, thereby avoiding the overheating of the inner body 14.

As a further scheme of the invention, an extension frame 17 is fixed on the outer wall of the charging pile body 1 near the position of the heat dissipation opening, a slot 171 is formed on the extension frame 17, a plugboard 53 is slidably mounted in the slot 171, and a plurality of limiting blocks 54 are fixedly mounted at one end of the plugboard 53 near the bottom, wherein the limiting blocks 54 are used for limiting the plugboard 53.

Further, two sides of the mobile box 2 are fixedly connected with a top frame 5, the top frame 5 is in sliding connection with the top of the charging pile main body 1, a flexible towing bar 51 is fixedly connected between the top frame 5 and a plugboard 53, and a guide roller 52 is arranged at the edge of one side of the top end of the charging pile main body 1; the flexible dragline 51 itself that sets up possesses good extensibility to preferably adopt spring rope, rubber material, this design makes picture peg 53 after being spacing by stopper 54, flexible dragline 51 can continue to be stretched, and remove box 2 still can continue to remove, and pay out the cable 3 of one section length, makes this fill electric pile be applicable to some comparatively extreme service conditions.

Through the structure, when the charging pile is used, the cable 3 is pulled, and the movable box 2 moves towards the fixed plate 4, at the moment, the movable box 2 pulls the flexible towing bar 51 by the top frame 5, and generates lifting force in the vertical direction for the inserting plate 53 by the guide roller 52, so that the inserting plate 53 is lifted, the heat dissipation end of the semiconductor refrigerator 67 can be contacted with the outside, and the heat dissipation effect of the semiconductor refrigerator 67 is ensured; when the charging pile is not used, the movable box 2 returns to the original position, so that the plugboard 53 is inserted into the slot 171, and a good protection effect can be provided for the heat dissipation end of the semiconductor refrigerator 67.

Further, a touch switch 18 is fixed on one side of the hollow end 15, and the touch switch 18, the liquid pump 61 and the semiconductor refrigerator 67 form a complete loop; specifically, when no pressure is applied, the touch switch 18 forms a complete circuit with the liquid pump 61 and the semiconductor refrigerator 67; when the touch switch 18 is pressed, the circuit is disconnected, so when the charging pile is used, the movable box 2 moves towards the direction of the fixed plate 4, the movable box 2 does not press the touch switch 18 any more, and the circuit between the liquid pump 61 and the semiconductor refrigerator 67 is connected, namely, when the charging pile is used, the liquid pump 61 and the semiconductor refrigerator 67 can be automatically started, the cooling operation of the inner main body 14 is realized, and meanwhile, the plugboard 53 is communicated with the movable box 2 to move, so that the heat dissipation of the semiconductor refrigerator 67 is facilitated.

The specific working method is as follows: when the charging pile is used, a user pulls the cable 3 at one end by means of the gun head 31, the winding and unwinding roller 27 rotates and releases the cable 3 at the other end, so that the movable box 2 moves towards the direction of the subsequent fixed plate 4, the cable 3 is conveniently released, and charging operation is performed, the cable 3 is effectively regulated before and after charging, scattering and other conditions of the cable 3 are avoided, the cable 3 can be adaptively adjusted in length according to actual charging conditions, and the flexibility requirement in the use process is met; when a user pulls the cable 3 through the gun head 31 and resets the subsequent cable 3, the moving cable 3 can pass through the ring end 431 and brush the surface of the cable 3 through the soft brush 432 on the ring end 431, so that the surface of the cable 3 is cleaned, and rainwater can be reduced from adhering to the surface of the cable 3;

when the charging pile is used, the cable 3 is pulled, and the movable box 2 moves towards the direction of the fixed plate 4, at the moment, the movable box 2 pulls the flexible towing bar 51 by the top frame 5, and generates lifting force in the vertical direction on the inserting plate 53 by the guide roller 52, so that the inserting plate 53 is lifted, the heat dissipation end of the semiconductor refrigerator 67 is contacted with the outside, and the heat dissipation effect of the semiconductor refrigerator 67 is ensured; when the charging pile is not used, the movable box 2 returns to the original position, so that the plugboard 53 is inserted into the slot 171, and a good protection effect is provided for the heat dissipation end of the semiconductor refrigerator 67;

when the touch switch 18 is not under pressure, a complete circuit is formed with the liquid pump 61 and the semiconductor refrigerator 67; when the touch switch 18 is pressed, the loop is disconnected, so when the charging pile is used, the movable box 2 moves towards the direction of the fixed plate 4, the movable box 2 does not press the touch switch 18 any more, and the loop between the liquid pump 61 and the semiconductor refrigerator 67 is connected, namely, when the charging pile is used, the liquid pump 61 and the semiconductor refrigerator 67 are automatically started; after the semiconductor refrigerator 67 moves, the refrigeration end of the semiconductor refrigerator is contacted with the copper plate 66, so that the temperatures of the copper plate 66 and the diversion arc piece 64 and the convection arc piece 65 on one side of the copper plate are rapidly reduced, and the liquid in the liquid storage tank 6 is always kept in a lower temperature state;

by using the diversion arc piece 64 and the convection arc piece 65, the liquid is guided to rise through the diversion arc piece 64 under the action of the subsequent liquid pump 61 and is impacted with the convection arc piece 65, and the design is adopted to fully mix the liquid, so that the liquid with higher temperature flowing back through the liquid pump 61 is quickly mixed with the low-temperature liquid in the liquid storage tank 6 and cooled; meanwhile, the design also enables the liquid to fully contact and exchange heat with the diversion arc piece 64 and the convection arc piece 65, so that the water liquid is efficiently cooled, and the liquid cooling effect on the inner main body 14 is ensured.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an electric automobile fills electric pile, fills electric pile main part (1) including the bottom is fixed with mount pad (11), fill electric pile main part (1) upper and lower extreme position and seted up hollow end (15) and built-in chamber (13) respectively, there is access cover (12) one side in built-in chamber (13) through hinged joint, its characterized in that: also comprises;

the winding and unwinding assembly is arranged in the hollow end (15), the winding and unwinding assembly comprises a movable box (2), support ring plates (26) are fixed on the inner walls of two sides of the movable box (2), winding and unwinding rollers (27) are installed between the support ring plates (26) and the movable box (2) in a rotating mode, torsion springs (28) are fixedly connected between the inner circumferential walls of the support ring plates (26) and the winding and unwinding rollers (27), spiral grooves (271) are formed in the outer circumferential walls of the winding and unwinding rollers (27), cables (3) are wound in the spiral grooves (271), one ends of the cables (3) are electrically connected with a charging pile body (1), gun heads (31) are electrically connected with the other ends of the cables (3), long round grooves (24) are formed in one side of the movable box (2), and sealing soft hairs (25) which are arranged in a staggered mode are arranged on the inner side walls of the long round grooves (24);

the liquid cooling assembly is arranged in the built-in cavity (13);

fixed plate (4), fixed plate (4) are fixed in one side of fretwork end (15), frame heavy groove (42) have been seted up on fixed plate (4), and sliding connection has movable plate (43) in frame heavy groove (42), be fixed with ring end (431) on movable plate (43), and fixed a plurality of soft brushes (432) that are provided with on the inner peripheral wall of ring end (431), one side that fixed plate (4) is close to the top is fixed with rifle head socket (41), and rifle head socket (41) and rifle head (31) looks adaptation.

2. The electric vehicle charging pile of claim 1, wherein: an inner main body (14) is fixedly arranged in the inner cavity (13).

3. The electric vehicle charging pile of claim 1, wherein: the utility model discloses a quick-change charging pile is characterized in that a pair of guide rods (16) are fixed on two sides of a hollowed-out end (15), side clamping frames (22) are fixed on two sides of a movable box (2), the side clamping frames (22) are in sliding fit with the guide rods (16), bottom wheels (21) are mounted at corners of the bottom end of the movable box (2), a corrugated soft sleeve (23) is fixedly connected between one side, far away from a fixed plate (4), of the movable box (2) and a charging pile main body (1), and the section of the corrugated soft sleeve (23) is in a long strip shape.

4. The electric vehicle charging pile of claim 1, wherein: the liquid cooling assembly comprises a liquid storage tank (6) fixedly arranged in a built-in cavity (13), and a radiating opening is formed in one side, close to the liquid storage tank (6), of the charging pile body (1).

5. The electric vehicle charging pile of claim 4, wherein: the utility model discloses a semiconductor refrigerator, including liquid storage tank (6), copper (66) have been seted up to one side of liquid storage tank (6), and the inner wall of liquid storage tank (6) is close to the position department of opening and is fixed with copper (66), be fixed with a plurality of water conservancy diversion arc piece (64) and convection arc piece (65) between copper (66) and liquid storage tank (6), and the opening of water conservancy diversion arc piece (64) and convection arc piece (65) sets up in opposite directions, the opposite side of copper (66) is provided with semiconductor refrigerator (67), and semiconductor refrigerator (67) and opening inner wall fixed connection, the refrigeration end of semiconductor refrigerator (67) contacts with copper (66).

6. The electric vehicle charging pile of claim 5, wherein: the one end that liquid reserve tank (6) is close to the bottom is fixed to be linked together and is had liquid pump (61), and the input of liquid pump (61) and the opposite side of liquid reserve tank (6) are all fixed to be linked together and are had communicating pipe (68), two the tip of communicating pipe (68) is all fixed to be linked together and is had female pipe (62), and all fixed intercommunication have a plurality of water-cooling branch pipes (63) that the equidistance distributes between two female pipes (62).

7. The electric vehicle charging pile of claim 6, wherein: the charging pile is characterized in that an extension frame (17) is fixed on the outer wall of the charging pile body (1) close to the position of the radiating opening, a slot (171) is formed in the extension frame (17), a plugboard (53) is slidably mounted in the slot (171), and a plurality of limiting blocks (54) are fixedly mounted at one end, close to the bottom, of the plugboard (53).

8. The electric vehicle charging pile of claim 7, wherein: the utility model discloses a charging pile comprises a charging pile main body (1), a movable box (2), a top frame (5) is fixedly connected to the two sides of the movable box (2), the top frame (5) is in sliding connection with the top of the charging pile main body (1), a flexible towing bar (51) is fixedly connected between the top frame (5) and a plugboard (53), and a guide roller (52) is arranged at the edge of one side of the top end of the charging pile main body (1).

9. The electric vehicle charging pile of claim 6, wherein: a touch switch (18) is fixed on one side of the hollowed-out end (15), and the touch switch (18), the liquid pump (61) and the semiconductor refrigerator (67) form a complete loop.