New energy automobile charging pile and use method

Abstract

The application provides a new energy automobile charging pile and a use method, and relates to the technical field of new energy automobile charging piles.The new energy automobile charging pile comprises a charging pile body, a shell, a charging gun, and a cable connected with the charging gun; a storage mechanism is arranged in the shell, and the storage mechanism has a locking state and an unlocking state; a first carrier plate and a second carrier plate, wherein when two rear wheels of the new energy automobile are not driven onto the first carrier plate and the second carrier plate, the storage mechanism is in the locking state, so that the cable is stored in the shell; when the two rear wheels of the new energy automobile are driven onto the first carrier plate and the second carrier plate, the storage mechanism is in the unlocking state, so that the cable can be drawn out of the shell along with the movement of the charging gun. The application can only complete the charging operation when the two rear wheels of the new energy automobile are driven onto the first carrier plate and the second carrier plate at the same time, thereby eliminating the problems of random parking and non-standard parking of the new energy automobile during charging.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy vehicle charging piles, in particular to a new energy vehicle charging pile and a use method thereof. BACKGROUND

[0002] With the rapid development of the new energy vehicle industry, the design rationality, safety and convenience of charging piles as important infrastructure for new energy vehicles are increasingly valued. Traditional new energy vehicle charging piles often have some problems in layout and use, especially in terms of cable management and charging operation standardization.

[0003] Most of the charging piles on the market currently adopt fixed cable design, and the cable is directly exposed to the outside, which not only is easily damaged by the external environment such as wind, sun and rain, shortening the service life of the cable, but also has certain safety hazards. In addition, due to the lack of accurate control of the parking position of the charging vehicle, a small number of vehicle owners have problems such as random parking and unplanned parking when charging, affecting the charging needs of other vehicles, and easily causing unnecessary disputes. SUMMARY

[0004] To solve the above problems, the present application provides a new energy vehicle charging pile and a use method thereof.

[0005] In a first aspect, the present application provides a new energy vehicle charging pile, comprising: a charging pile body having a shell, a charging gun and a cable connected with the charging gun; a storage mechanism arranged in the shell, the storage mechanism having a locked state and an unlocked state; a first load plate for carrying one rear wheel of a new energy vehicle; and a second load plate for carrying another rear wheel of the new energy vehicle, wherein when the two rear wheels of the new energy vehicle are not driven onto the first load plate and the second load plate, the storage mechanism is in the locked state so that the cable is stored in the shell; when the two rear wheels of the new energy vehicle are driven onto the first load plate and the second load plate, the storage mechanism is in the unlocked state so that the cable can be drawn out of the shell with the movement of the charging gun.

[0006] Optionally, the storage mechanism comprises a plurality of cable pushing units, and the plurality of cable pushing units are arranged on the inner two side walls of the shell from top to bottom. When the storage mechanism is in the locked state, the plurality of cable pushing units make the cable in a wavy shape.

[0007] Optionally, the cable driving unit includes a cylinder, a piston, a cable clamping wheel, a piston rod, a wheel seat, a first spring, a first plugging mechanism, and a second plugging mechanism. One end of the cylinder is connected to the inner wall of the housing. The piston is slidably connected to the cylinder. One end of the piston rod is connected to the piston. The other end of the piston rod passes through the other end of the cylinder and is connected to one end of the wheel seat. The other end of the wheel seat is rotatably connected to the cable clamping wheel. The first spring is sleeved on the piston rod, and both ends of the first spring abut against the corresponding end faces of the wheel seat and the cylinder. The two ends of the cylinder are respectively provided with an air inlet and an air outlet. The first plugging mechanism is provided on the air outlet, and the second plugging mechanism is provided on the air inlet.

[0008] Optionally, the first plugging mechanism and the second plugging mechanism have the same structure. The second plugging mechanism includes a pull rod, a second spring, a sealing block, a baffle, and a bracket. The bracket is connected to the inner wall of the air inlet. The pull rod is slidably connected to the bracket. One end of the pull rod extending into the cylinder is connected to the baffle. The other end of the pull rod passing through the air inlet is connected to the sealing block. The second spring is sleeved on the pull rod, and both ends of the second spring abut against the opposite surfaces of the baffle and the bracket, respectively. When the storage mechanism is in the locked state, the sealing block is used to block the air inlet. When the storage mechanism is in the unlocked state, the sealing block releases the blockage of the air inlet.

[0009] Optionally, the second carrier plate has the same structure as the first carrier plate. The first carrier plate includes a plate body and a third spring. The lower surface of the plate body is connected to one end of the third spring, and the other end of the third spring is used to connect to the inner bottom surface of the pit.

[0010] Optionally, it also includes a first driving mechanism and a second driving mechanism. The second driving mechanism has the same structure as the first driving mechanism. One end of the transmission chain of the first driving mechanism and the second driving mechanism is connected to the first carrier plate and the second carrier plate, respectively. The other end of the transmission chain of the first driving mechanism and the second driving mechanism is connected to the sealing block in the second plugging mechanism and the first plugging mechanism, respectively.

[0011] Optionally, the first driving mechanism includes a trigger assembly, a wire rope, a moving rod, a pull rope, a guide wheel, and a rope wheel. The trigger assembly includes a rack and a gear. The rack is vertically arranged and connected to the lower surface of the plate. The gear meshes with the rack. The gear is rotatably connected to the inner bottom surface of the pit via a winding shaft. One end of the wire rope is wound around the winding shaft, and the other end of the wire rope passes around the rope wheel and is connected to one end of the moving rod. The other end of the moving rod is connected to one end of a plurality of pull ropes. The other ends of the plurality of pull ropes are respectively connected to the corresponding sealing blocks. Both sides of the moving rod are in rolling contact with the guide wheel, and the guide wheel is rotatably connected to the inner wall of the housing.

[0012] Optionally, it also includes a reinforcing block, which is configured as a triangular structure. Two sides of the reinforcing block are respectively connected to the cylinder and the inner wall of the shell. The other side of the reinforcing block is provided with an air blowing hole, which is inclined downward toward the inner center of the shell. The reinforcing block is provided with a cavity communicating with the air blowing hole, and the air outlet is communicating with the cavity.

[0013] Optionally, the circumference of the cable-holding wheel is provided with an annular groove for the cable to be held in.

[0014] Secondly, embodiments of the present invention also provide a method for using a new energy vehicle charging pile, comprising the following steps:

[0015] S1: Drive the two rear wheels of the new energy vehicle onto the first and second carrier plates;

[0016] S2: Pull the charging gun out of the charging pile body, so that the cable follows the movement of the charging gun and is pulled out of the housing until the charging gun is inserted into the charging port of the new energy vehicle for charging.

[0017] S3: After charging is complete, place the charging gun back onto the charging pile body, allowing the two rear wheels of the new energy vehicle to drive off the first and second carrier plates.

[0018] The beneficial effects of this invention—a charging pile for new energy vehicles and its usage method—are as follows: By setting a storage mechanism inside the housing, and having both a locked and unlocked state, and by setting a first carrier plate and a second carrier plate on both sides of the front of the charging pile body, the storage mechanism is in the locked state when the two rear wheels of the new energy vehicle are not on the first and second carrier plates, thereby storing the cable inside the housing. This ensures that most of the cable is stored inside the housing, improving the cable's lifespan. When the two rear wheels of the new energy vehicle are on the first and second carrier plates, the storage mechanism is in the unlocked state, allowing the cable to be pulled out of the housing as the charging gun moves, thus enabling the charging gun to be plugged into the charging port of the new energy vehicle. In summary, charging can only be completed when both rear wheels of the new energy vehicle are simultaneously on the first and second carrier plates, thereby eliminating problems such as haphazard parking and improper parking of new energy vehicles during charging. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the storage mechanism in the new energy vehicle charging pile of the present invention in the locked state.

[0020] Figure 2 This is a schematic diagram of the structure of the new energy vehicle charging pile of the present invention;

[0021] Figure 3 This is a schematic diagram of the storage mechanism in the new energy vehicle charging pile of the present invention in the unlocked state.

[0022] Figure 4 This is a schematic diagram of the storage mechanism in the new energy vehicle charging pile of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the first drive mechanism in the new energy vehicle charging pile of the present invention;

[0024] Figure 6 for Figure 4 Enlarged view of the structure at point A in the image;

[0025] Figure 7 for Figure 4 Enlarged view of the structure at point B in the image;

[0026] Figure 8 This is a schematic diagram of the cable-locking wheel in the new energy vehicle charging pile of the present invention;

[0027] Figure 9 This is a diagram showing the actual layout of the new energy vehicle charging pile of the present invention.

[0028] Explanation of reference numerals in the attached drawings: 1. Charging pile body; 11. Shell; 12. Cable; 3. Storage mechanism; 31. Cylinder; 311. Air inlet; 312. Air outlet; 32. Piston; 33. Cable retaining wheel; 34. Piston rod; 35. Wheel seat; 36. First spring; 37. First hole-blocking mechanism; 38. Second hole-blocking mechanism; 381. Pull rod; 382. Second spring; 383. Sealing block; 384. Baffle; 385. Bracket; 4. First carrier plate; 41. Plate body; 42. Third spring; 5. Second carrier plate; 6. First drive mechanism; 61. Trigger assembly; 62. Steel wire rope; 63. Moving rod; 64. Pull rope; 65. Guide wheel; 66. Rope wheel; 7. Reinforcing block; 71. Cavity; 72. Air blowing hole; 8. Second drive mechanism. Detailed Implementation

[0029] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] In the description of this specification, the references to terms such as "embodiment," "one embodiment," "some implementations," "exemplary," and "one implementation," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or implementation is included in at least one embodiment or implementation of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or implementation. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or implementations.

[0032] The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature.

[0033] In the attached figures, the Z-axis represents the vertical direction, i.e., up and down, with the positive Z-axis indicating up and the negative Z-axis indicating down; the X-axis represents the horizontal direction, designated as left and right, with the positive X-axis indicating the right side and the negative X-axis indicating the left side; the Y-axis represents the front and back direction, with the positive Y-axis indicating the front and the negative Y-axis indicating the back. It should be noted that the aforementioned representations of the Z, Y, and X axes are merely for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.

[0034] This invention provides a new energy vehicle charging pile, comprising:

[0035] The charging pile body 1 has a housing 11, a charging gun and a cable 12 connected to the charging gun;

[0036] Storage mechanism 3 is located inside housing 11, and storage mechanism 3 has a locked state and an unlocked state;

[0037] The first carrier plate 4 is used to support one rear wheel of the new energy vehicle; and

[0038] The second carrier plate 5 is used to support the other rear wheel of the new energy vehicle. When the two rear wheels of the new energy vehicle are not on the first carrier plate 4 and the second carrier plate 5, the storage mechanism 3 is locked so that the cable 12 is stored in the housing 11. When the two rear wheels of the new energy vehicle are on the first carrier plate 4 and the second carrier plate 5, the storage mechanism 3 is unlocked so that the cable 12 can be pulled out of the housing 11 as the charging gun moves.

[0039] In this optional embodiment, combined with Figure 1 , Figure 2 , Figure 3 and Figure 9As shown, by setting a storage mechanism 3 inside the housing 11, and having the storage mechanism 3 in both locked and unlocked states, and setting a first carrier plate 4 and a second carrier plate 5 on both sides in front of the charging pile body 1 (positive Y-axis direction), when the two rear wheels of the new energy vehicle are not on the first carrier plate 4 and the second carrier plate 5, the storage mechanism 3 is in the locked state, thereby storing the cable 12 inside the housing 11, thus ensuring that most of the cable 12 is stored inside the housing 11, improving the service life of the cable 12. When the two rear wheels of the new energy vehicle are on the first carrier plate 4 and the second carrier plate 5, the storage mechanism 3 is in the unlocked state, allowing the cable 12 to be pulled out of the housing 11 as the charging gun moves, thus allowing the charging gun to be plugged into the charging port of the new energy vehicle. In summary, the charging operation can only be completed when both rear wheels of the new energy vehicle are on the first carrier plate 4 and the second carrier plate 5 at the same time, thereby eliminating problems such as random parking and improper parking of new energy vehicles during charging.

[0040] Furthermore, the storage mechanism 3 includes multiple cable pushing units, which are respectively disposed on the inner side walls of the housing 11 from top to bottom. When the storage mechanism 3 is in the locked state, the multiple cable pushing units make the cable 12 wavy.

[0041] In this optional embodiment, combined with Figure 3 As shown, multiple cable pushing units make the cable 12 wavy, thereby realizing the storage of the cable 12 inside the housing 11.

[0042] Optionally, the cable driving unit includes a cylinder 31, a piston 32, a cable clamping wheel 33, a piston rod 34, a wheel seat 35, a first spring 36, a first plugging mechanism 37, and a second plugging mechanism 38. One end of the cylinder 31 is connected to the inner wall of the housing 11. The piston 32 is slidably connected inside the cylinder 31. One end of the piston rod 34 is connected to the piston 32. The other end of the piston rod 34 passes through the other end of the cylinder 31 and is connected to one end of the wheel seat 35. The other end of the wheel seat 35 is rotatably connected to the cable clamping wheel 33. The first spring 36 is sleeved on the piston rod 34, and the two ends of the first spring 36 abut against the corresponding end faces of the wheel seat 35 and the cylinder 31, respectively. The two ends of the cylinder 31 are respectively provided with an air inlet 311 and an air outlet 312. The first plugging mechanism 37 is provided on the air outlet 312, and the second plugging mechanism 38 is provided on the air inlet 311.

[0043] Optionally, the first plugging mechanism 37 and the second plugging mechanism 38 have the same structure. The second plugging mechanism 38 includes a pull rod 381, a second spring 382, ​​a sealing block 383, a baffle 384, and a bracket 385. The bracket 385 is connected to the inner wall of the air inlet 311. The pull rod 381 is slidably connected to the bracket 385. One end of the pull rod 381 extending into the cylinder 31 is connected to the baffle 384. One end of the pull rod 381 passing through the air inlet 311 is connected to the sealing block 383. The second spring 382 is sleeved on the pull rod 381, and both ends of the second spring 382 abut against the opposite surfaces of the baffle 384 and the bracket 385, respectively. When the storage mechanism 3 is in the locked state, the sealing block 383 is used to block the air inlet 311. When the storage mechanism 3 is in the unlocked state, the sealing block 383 releases the blockage of the air inlet 311.

[0044] Furthermore, the second carrier plate 5 has the same structure as the first carrier plate 4. The first carrier plate 4 includes a plate body 41 and a third spring 42. The lower surface of the plate body 41 is connected to one end of the third spring 42, and the other end of the third spring 42 is used to connect to the inner bottom surface of the pit.

[0045] Specifically, one end of the plate 41 can be designed as a sloping structure to facilitate the rear wheels of the new energy vehicle to drive onto it, while the other end of the plate 41 can be designed as a raised structure to prevent the rear wheels of the new energy vehicle from backing out of the plate 41.

[0046] Optionally, the new energy vehicle charging pile also includes a first drive mechanism 6 and a second drive mechanism 8. The second drive mechanism 8 has the same structure as the first drive mechanism 6. One end of the transmission chain of the first drive mechanism 6 and the second drive mechanism 8 is connected to the first carrier plate 4 and the second carrier plate 5, respectively. The other end of the transmission of the first drive mechanism 6 and the second drive mechanism 8 is connected to the sealing block 383 in the second plugging mechanism 38 and the first plugging mechanism 37, respectively.

[0047] Furthermore, the first drive mechanism 6 includes a trigger assembly 61, a wire rope 62, a moving rod 63, a pull rope 64, a guide wheel 65, and a rope wheel 66. The trigger assembly 61 includes a rack and a gear. The rack is vertically arranged and connected to the lower surface of the plate 41. The gear meshes with the rack and is rotatably connected to the inner bottom surface of the pit via a winding shaft. One end of the wire rope 62 is wound around the winding shaft, and the other end of the wire rope 62 passes around the rope wheel 66 and is connected to one end of the moving rod 63. The other end of the moving rod 63 is connected to one end of a plurality of pull ropes 64. The other ends of the plurality of pull ropes 64 are respectively connected to the corresponding sealing blocks 383. Both sides of the moving rod 63 are in rolling contact with the guide wheel 65, and the guide wheel 65 is rotatably connected to the inner wall of the housing 11.

[0048] In this optional embodiment, combined with Figure 1 , Figure 2 , Figure 3 , Figure 4 ,Figure 5 and Figure 6 As shown, in the first drive mechanism 6, the steel wire rope 62 can be buried underground through a pipe. After being redirected by the rope pulley 66, it is connected to the moving rod 63. When the rear wheel of the new energy vehicle has not yet driven onto the first carrier plate 4, the third spring 42 is in its natural state, and the plate 41 is at a certain distance from the ground. When the rear wheel of the new energy vehicle drives onto the first carrier plate 4, the plate 41 descends until it contacts the ground. At this time, the rack descends and drives the gear to rotate, thereby driving the winding shaft to rotate and wind one end of the steel wire rope 62. Under the limiting and guiding action of the guide wheel 65, the other end of the steel wire rope 62 pulls the moving rod 63 vertically downward, thereby pulling the sealing block 383 in the second plugging mechanism 38 downward through the pull rope 64, so that the air inlet 311 is opened. Similarly, The second drive mechanism 8 can open the vent 312, allowing the piston 32 to move inside the cylinder 31 when pushed by an external force. Holding the charging gun, the cable 12 is pulled out from inside the housing 11. During this pulling process, the cable 12 exerts a force on the cable clamping wheel 33, which pushes the piston 32 towards the inner wall of the housing 11 via the piston rod 34. At this time, the first spring 36 is compressed, gradually releasing the cable 12 so that the charging gun can be easily plugged into the charging port of the new energy vehicle. After the hand leaves the charging gun, due to the release of the external force, the first spring 36 slightly recovers, pushing the cable 12 a certain distance via the cable clamping wheel 33 until a balance is reached, so that the cable 12 located outside the housing 11 is in a slightly taut state. Figure 1 As shown, this avoids the cable 12 from dragging on the ground, prevents the cable 12 located outside the housing 11 from coming into contact with dirt and water stains on the ground, and improves the service life of the cable 12.

[0049] Optionally, the new energy vehicle charging pile also includes a reinforcing block 7, which is designed as a triangular structure. Two sides of the reinforcing block 7 are connected to the inner wall of the cylinder 31 and the shell 11, respectively. The other side of the reinforcing block 7 is provided with an air blowing hole 72, which is inclined downward toward the inner center of the shell 11. The reinforcing block 7 is provided with a cavity 71 that communicates with the air blowing hole 72, and the air outlet 312 communicates with the cavity 71.

[0050] In this optional embodiment, the reinforcing block 7 can be set below each cylinder 31 to improve the connection between the cylinder 31 and the inner wall of the housing 11, thereby improving the service life of the entire storage mechanism 3. At the same time, when the piston 32 moves toward the inner wall of the housing 11, the sealing block 383 on the first hole-blocking mechanism 37 does not block the air outlet 312, so that the gas in the cylinder 31 enters the cavity 71 through the air outlet 312, and then blows it toward the corresponding part of the surface of the cable 12 through the air blowing hole 72, thereby blowing away the dust on the surface of the cable 12. At this time, the cable 12 is gradually pulled out of the housing 11 along with the charging gun. The cleaner cable 12 helps to improve the user experience.

[0051] Furthermore, the circumference of the cable retainer 33 is provided with an annular groove for the cable 12 to be inserted.

[0052] In this optional embodiment, combined with Figure 8 As shown, by inserting the cable 12 into the annular groove, the cable 12 is limited, thus preventing the cable 12 from wobbling in the Y-axis direction.

[0053] This invention also provides a method for using a new energy vehicle charging pile, which includes the following steps based on the above-mentioned new energy vehicle charging pile:

[0054] S1: Drive the two rear wheels of the new energy vehicle onto the first carrier plate 4 and the second carrier plate 5;

[0055] S2: Pull the charging gun out of the charging pile body 1, so that the cable 12 follows the movement of the charging gun and is pulled out of the housing 11 until the charging gun is inserted into the charging port of the new energy vehicle for charging.

[0056] S3: After charging is complete, place the charging gun back onto the charging pile body 1, so that the two rear wheels of the new energy vehicle can drive off the first carrier plate 4 and the second carrier plate 5.

[0057] While the present invention has been disclosed above, its scope of protection is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the scope of protection of the present invention.

Claims

1. A charging pile for new energy vehicles, characterized in that, include: The charging pile body (1) has a housing (11), a charging gun and a cable (12) connected to the charging gun. Storage mechanism (3) is provided inside the housing (11), and the storage mechanism (3) has a locked state and an unlocked state; The first carrier plate (4) is used to support one rear wheel of the new energy vehicle; and The second carrier plate (5) is used to support the other rear wheel of the new energy vehicle. When the two rear wheels of the new energy vehicle are not on the first carrier plate (4) and the second carrier plate (5), the storage mechanism (3) is in the locked state so that the cable (12) is stored in the housing (11). When the two rear wheels of the new energy vehicle are on the first carrier plate (4) and the second carrier plate (5), the storage mechanism (3) is in the unlocked state so that the cable (12) can be pulled out of the housing (11) as the charging gun moves. The storage mechanism (3) includes multiple cable pushing units, which are respectively disposed on the inner side walls of the housing (11) from top to bottom. When the storage mechanism (3) is in the locked state, the multiple cable pushing units make the cable (12) wavy. The cable driving unit includes a cylinder (31), a piston (32), a cable clamping wheel (33), a piston rod (34), a wheel seat (35), a first spring (36), a first hole-blocking mechanism (37), and a second hole-blocking mechanism (38). One end of the cylinder (31) is connected to the inner wall of the housing (11). The piston (32) is slidably connected inside the cylinder (31). One end of the piston rod (34) is connected to the piston (32), and the other end of the piston rod (34) passes through the other end of the cylinder (31) and connects to the wheel seat. (35) is connected at one end, and the other end of the wheel seat (35) is rotatably connected to the wire clamping wheel (33). The first spring (36) is sleeved on the piston rod (34), and the two ends of the first spring (36) abut against the corresponding end faces of the wheel seat (35) and the cylinder (31). The two ends of the cylinder (31) are respectively provided with an air inlet (311) and an air outlet (312). The first hole-blocking mechanism (37) is provided on the air outlet (312), and the second hole-blocking mechanism (38) is provided on the air inlet (311). The first plugging mechanism (37) has the same structure as the second plugging mechanism (38). The second plugging mechanism (38) includes a pull rod (381), a second spring (382), a sealing block (383), a baffle (384), and a bracket (385). The bracket (385) is connected to the inner wall of the air inlet (311). The pull rod (381) is slidably connected to the bracket (385). One end of the pull rod (381) extending into the cylinder (31) is connected to the baffle (384). The pull rod (381) extends out of the cylinder. One end of the air inlet (311) is connected to the sealing block (383). The second spring (382) is sleeved on the pull rod (381), and the two ends of the second spring (382) abut against the opposite surfaces of the baffle (384) and the bracket (385). When the storage mechanism (3) is in the locked state, the sealing block (383) is used to block the air inlet (311). When the storage mechanism (3) is in the unlocked state, the sealing block (383) releases the blockage of the air inlet (311).

2. The new energy vehicle charging pile as described in claim 1, characterized in that, The second carrier plate (5) has the same structure as the first carrier plate (4). The first carrier plate (4) includes a plate body (41) and a third spring (42). The lower surface of the plate body (41) is connected to one end of the third spring (42), and the other end of the third spring (42) is used to connect to the inner bottom surface of the pit.

3. The new energy vehicle charging pile as described in claim 2, characterized in that, It also includes a first drive mechanism (6) and a second drive mechanism (8). The second drive mechanism (8) has the same structure as the first drive mechanism (6). One end of the transmission chain of the first drive mechanism (6) and the second drive mechanism (8) is connected to the first carrier plate (4) and the second carrier plate (5) respectively. The other end of the transmission of the first drive mechanism (6) and the second drive mechanism (8) is connected to the sealing block (383) in the second plugging mechanism (38) and the first plugging mechanism (37) respectively.

4. The new energy vehicle charging pile as described in claim 3, characterized in that, The first driving mechanism (6) includes a trigger assembly (61), a wire rope (62), a moving rod (63), a pull rope (64), a guide wheel (65), and a rope wheel (66). The trigger assembly (61) includes a rack and a gear. The rack is vertically arranged and connected to the lower surface of the plate (41). The gear meshes with the rack. The gear is rotatably connected to the inner bottom surface of the pit via a winding shaft. One end of the wire rope (62) is wound around the winding shaft. The other end of the wire rope (62) passes around the rope wheel (66) and is connected to one end of the moving rod (63). The other end of the moving rod (63) is connected to one end of a plurality of pull ropes (64). The other ends of the plurality of pull ropes (64) are respectively connected to the corresponding sealing blocks (383). Both sides of the moving rod (63) are in rolling contact with the guide wheel (65). The guide wheel (65) is rotatably connected to the inner wall of the housing (11).

5. The new energy vehicle charging pile as described in claim 1, characterized in that, It also includes a reinforcing block (7), which is a triangular structure. Two sides of the reinforcing block (7) are connected to the inner wall of the cylinder (31) and the shell (11), respectively. The other side of the reinforcing block (7) is provided with an air blowing hole (72). The air blowing hole (72) is inclined downward towards the inner center of the shell (11). The reinforcing block (7) is provided with a cavity (71) that communicates with the air blowing hole (72). The air outlet (312) communicates with the cavity (71).

6. The new energy vehicle charging pile as described in claim 1, characterized in that, The circumference of the cable-holding wheel (33) is provided with an annular groove for the cable (12) to be held in.

7. A method of using a new energy vehicle charging pile as described in any one of claims 1-6, characterized in that, Includes the following steps: S1: Drive the two rear wheels of the new energy vehicle onto the first carrier plate (4) and the second carrier plate (5); S2: Pull the charging gun out of the charging pile body (1), so that the cable (12) follows the movement of the charging gun and is pulled out of the housing (11) until the charging gun is inserted into the charging port of the new energy vehicle for charging. S3: After charging is complete, put the charging gun back on the charging pile body (1) so that the two rear wheels of the new energy vehicle can drive off the first carrier plate (4) and the second carrier plate (5).

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