Automatic take-up charging pile

Abstract

The invention discloses an automatic take-up charging pile, and relates to the technical field of new energy automobile charging, the automatic take-up charging pile comprises a charging pile shell, a rear protection shell and a top partition plate, the rear protection shell is fixedly connected to the rear side of the charging pile shell, a reel is rotatably connected to the rear protection shell, and a charging gun power supply line is wound in a wheel groove of the reel; a gun inserting opening is formed in the side face of the charging pile shell. By arranging the reel and the automatic take-up assembly on the rear protective shell, when a user reinserts the charging gun into the gun insertion opening after completing charging, the automatic take-up assembly can be automatically started to drive the reel to wind the power supply line, and the automatic take-up function of the power supply line is achieved; the charging gun power supply line can be effectively prevented from scattering on the ground or being hung outside the charging pile, the cable is prevented from occupying a driving or pedestrian channel, and damage caused by rolling and pulling is reduced. And meanwhile, inconvenience caused by frequent manual cable arrangement by workers is avoided, and the tidiness and the use convenience of a charging area are remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of new energy vehicle charging technology, and in particular to an automatic retractable charging pile. Background Technology

[0002] A new energy vehicle charging station is a device that provides electrical energy to new energy vehicles such as electric cars and electric buses. It contains a power control module, charging interface, and communication unit, enabling information exchange with the vehicle charging management system for safe and intelligent charging control. Charging stations can be divided into AC and DC types, and feature overload protection, billing, and network monitoring functions. They are widely used in public parking lots, residential areas, and highway service areas.

[0003] Current technology for new energy vehicle charging stations lacks an automatic cable retraction function for the charging gun. Even if the user hangs the charging gun back into the socket, the long cable length still causes the charging gun cable to be scattered on the ground, blocking driving or pedestrian passages, affecting parking order and traffic safety. At the same time, the charging gun cable is exposed to the outside for a long time, making it easy to be run over by vehicles, rained on, or exposed to direct sunlight, causing the insulation layer to age, the interface to become contaminated, and shortening its service life. In addition, in order to keep the site clean, staff need to manually tidy up the cables regularly, which not only increases the maintenance frequency and labor intensity, but also affects the standardization of charging station operation and user experience. Summary of the Invention

[0004] The purpose of this invention is to address the lack of automatic cable retraction functionality in existing new energy vehicle charging piles. Even when users reattach the charging gun to the socket, the long cable often results in the cable being scattered on the ground, obstructing driving or pedestrian walkways, affecting parking order and traffic safety. Furthermore, the exposed cable is susceptible to damage from vehicles, rain, or direct sunlight, leading to insulation aging, interface contamination, and shortened lifespan. Additionally, to maintain cleanliness, staff must periodically tidy the cables, increasing maintenance frequency and labor intensity, and impacting the standardization of charging pile operation and user experience. Therefore, this invention proposes an automatic cable retraction charging pile.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An automatic retractable charging pile includes a charging pile shell, a rear protective shell, and a top partition. The rear protective shell is fixedly connected to the rear side of the charging pile shell, and a winding wheel is rotatably connected to the rear protective shell. The charging gun power supply wire is wound in the groove of the winding wheel. The end face of the winding wheel is provided with an annular power supply component, which ensures that one end of the power supply line is always energized when the winding wheel winds or releases the power supply line. The charging pile housing has a gun port on its side, and the winding wheel is provided with an automatic winding component on the opposite side of the annular power supply component. When the charging gun is inserted back into the gun port, the automatic winding component controls the winding wheel to wind the power supply wire. The rear housing is provided with a wire release holding component on the rear side of the winding wheel. The wire release holding component controls the automatic wire take-up component to maintain the wire release state. The rear housing is provided with a composite trigger component above the automatic wire take-up component. The composite trigger component automatically triggers the start action of the automatic wire take-up component only after the charging gun is inserted into the charging gun port. The rear protective shell is provided with a side cleaning component diagonally below the winding wheel, which scrapes along the outer wall of the power supply line when the winding wheel retracts the power supply line.

[0006] Optionally, the annular power supply assembly includes a micro disk, a docking disk, and a vertical plate. The vertical plate is fixedly connected to the bottom of the top partition, the top partition is fixedly connected to the rear protective shell, the docking disk is fixedly connected to the bottom of the vertical plate, and an inner ring and an outer ring are concentrically and sequentially fixedly connected to the end face of the docking disk.

[0007] Optionally, the winding wheel groove has an insertion hole, a micro disk is fixedly connected to the center of the winding wheel end face, and a first connector and a second connector are fixedly connected to the non-center position of the side of the micro disk in sequence, and the connector is in contact with the winding wheel end face.

[0008] Optionally, the automatic wire feeding assembly includes a counterweight, a connecting rope, a drive wheel, and a winding wheel. The winding wheel is concentrically fixed to the side of the winding wheel, and the connecting rope is wound around the outer wall of the winding wheel. The drive wheel is rotatably connected to the rear protective shell. The other end of the connecting rope is fixedly connected to the counterweight after passing through the outer wall of the drive wheel. The counterweight is movably inserted into a vertical T-rail in the vertical direction. The vertical T-rail is fixedly connected to the rear protective shell, and a rubber pad is fixedly connected to the rear protective shell directly below the counterweight.

[0009] Optionally, the side cleaning assembly includes a transmission gear, a side drive gear, a first bevel gear, a second bevel gear, a mounting cylinder, and a cleaning soft brush. The transmission gear is concentrically fixed to the side of the winding wheel opposite to the winding wheel. The side drive gear is stably meshed with the bottom of the transmission gear, and the side drive gear is rotatably connected to the rear protective shell.

[0010] Optionally, the side drive gear is concentrically fixedly connected to a first bevel gear, the first bevel gear and the second bevel gear are stably meshed, the second bevel gear is rotatably connected to the charging pile housing, one end of the second bevel gear is threaded into an installation cylinder, the outer wall of the installation cylinder is fixedly connected to a fixing nut, and the installation cylinder has a circular array of cleaning soft brushes.

[0011] Optionally, the line-laying retaining assembly includes a retaining ratchet, a locking pawl, and a mounting horizontal post. The retaining ratchet is coaxially and fixedly connected to the rear side of the drive wheel. The mounting horizontal post is fixedly connected above the retaining ratchet on the rear protective shell. The locking pawl is rotatably connected to the outer wall of the mounting horizontal post. One end of the mounting horizontal post is fixedly connected to a torsion spring, and the other end of the torsion spring is fixedly connected to the outer wall of the locking pawl. The locking pawl extends into the groove of the retaining ratchet.

[0012] Optionally, the composite triggering assembly includes a positioning triggering assembly, a sinking triggering assembly, and a limiting plate. The sinking triggering assembly includes a mounting plate, a horizontal rod, and a connecting rod. The mounting plate is fixedly connected to the rear protective shell. A vertical folding groove is provided on the side of the mounting plate. A force-bearing column is fixedly connected to one end of the horizontal rod, and the force-bearing column extends into the vertical folding groove.

[0013] Optionally, the other end of the horizontal bar is movably inserted into the connecting rod, one end of the connecting rod is fixedly connected to a receiving folding frame, vertical guide posts are symmetrically and movably inserted into the top of the receiving folding frame, the top end of the vertical guide posts is fixedly connected to the bottom of the top partition plate, the outer wall of the vertical guide posts is fixedly connected to one end of a vertical spring, and the other end of the vertical spring is fixedly connected to the top of the receiving folding frame.

[0014] Optionally, the positioning trigger component includes a U-shaped frame, a limiting post, a pushing post, and a horizontal spring. The top of the limiting plate is fixedly connected to the bottom of the top partition, one end of the pushing post is fixedly connected to the receiving folding frame, and the U-shaped frame is movably inserted into the outer wall of the pushing post.

[0015] Optionally, the outer wall of the push column is fixedly connected to one end of the horizontal spring, the other end of the horizontal spring is fixedly connected to the side of the U-shaped frame, the U-shaped frame is fixedly connected to the side opposite to the push column with a limiting column, the side of the limiting plate has a limiting hole, and the U-shaped frame is sleeved on the outer wall of the limiting plate.

[0016] Compared with the prior art, the present invention has the following advantages: 1. This invention, by setting a winding wheel and an automatic cable retraction component on the rear protective shell, allows the automatic cable retraction component to automatically activate when the user re-inserts the charging gun into the charging port after charging is complete. This drives the winding wheel to wind the power supply cable, achieving an automatic cable retraction function. This effectively prevents the charging gun's power supply cable from scattering on the ground or hanging outside the charging pile, preventing the cable from blocking vehicle or pedestrian passages and reducing damage caused by being run over or pulled. At the same time, it also avoids the inconvenience of workers frequently manually tidying up the cable, significantly improving the cleanliness and ease of use of the charging area, and reducing maintenance costs and safety hazards.

[0017] 2. This invention, by setting up a cable release holding component, including a holding ratchet, a locking pawl, and a mounting horizontal column core mechanism, ensures that when the user pulls out the charging gun for use, the holding ratchet is mechanically locked by the pawl mechanism, keeping the winding wheel in a fixed state. This prevents the power supply cable from being automatically retracted during use, ensuring the cable tension stability during the charging process. After charging is completed, when the automatic cable retraction component is triggered, the cable release holding component is released, allowing the winding wheel to resume its retraction function. This achieves automatic switching between the two working states of release and retraction, ensuring both the smoothness and safety of the cable release process and preventing impact or damage caused by excessive retraction of the power supply cable, thus improving the overall reliability and user experience.

[0018] 3. This invention utilizes the rotational motion of the winding reel during the winding process to drive the side cleaning component located on its side to rotate synchronously, realizing the automatic cleaning function of the power cable during the retrieval process. The side cleaning component transmits the rotational power of the winding reel to the mounting cylinder through the meshing linkage of the transmission gear and the side drive gear. This causes the cleaning soft brush on the outer wall of the mounting cylinder to continuously scrape along the outer wall of the power cable, automatically removing dust, water stains, and oil stains from the cable surface. The side cleaning component makes full use of the original mechanical energy of the winding reel, completing the cleaning process without an additional power source. It has a simple structure and low energy consumption. Through this linkage cleaning method, it not only prevents impurities from entering the winding cavity with the cable and causing jamming or wear, but also maintains the cleanliness and flexibility of the power cable, extends the service life of the entire machine, and further improves the intelligence and durability of the automatic retraction charging pile. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 for Figure 1 Another perspective structural diagram.

[0021] Figure 3 for Figure 1 A schematic diagram of the structure after removing the charging pile casing.

[0022] Figure 4 for Figure 3 Another perspective structural diagram.

[0023] Figure 5 This is a schematic diagram of the ring power supply component.

[0024] Figure 6 for Figure 5 A schematic diagram of a semi-explosive structure.

[0025] Figure 7 This is a structural diagram of the docking plate and its connecting parts.

[0026] Figure 8This is a schematic diagram of the take-up reel.

[0027] Figure 9 This is a schematic diagram of the side cleaning component.

[0028] Figure 10 This is a schematic diagram of the composite trigger component.

[0029] Figure 11 This is a schematic diagram of the pawl and its connecting parts.

[0030] Figure 12 A schematic diagram of the structure of the trigger component and its connector.

[0031] Figure 13 A schematic diagram of the structure of the trigger component.

[0032] In the diagram: 1. Charging pile housing; 2. Inlet gun port; 3. Rear protective shell; 4. Top partition; 5. Rain cover; 6. Holding ratchet; 7. Drive wheel; 8. Connecting rope; 81. Counterweight; 9. Vertical T-rail; 10. Rubber pad; 11. Vertical plate; 12. Connecting plate; 121. Outer connecting ring; 122. Inner connecting ring; 13. Bottom guide wheel; 14. Transmission gear; 15. Side drive gear; 151. First bevel gear; 16. Winding wheel; 161. Insertion hole; 162. Miniature disk; 1620. First connecting post; 1621. 17. Second connecting post; 18. Rope winding wheel; 19. Second bevel gear; 10. Mounting cylinder; 191. Fixing nut; 192. Cleaning soft brush; 20. Mounting plate; 201. Vertical folding groove; 21. Force-bearing post; 22. Horizontal bar; 23. Connecting rod; 24. Locking pawl; 25. Torsion spring; 26. Mounting horizontal post; 27. Limiting plate; 271. Limiting hole; 28. Vertical spring; 29. ​​Vertical guide post; 291. Receiving folding frame; 30. Return frame; 31. Limiting post; 32. Pushing post; 33. Horizontal spring. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0034] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and 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. Therefore, they should not be construed as limitations on this invention.

[0035] Reference Figures 1-13An automatic retractable charging pile includes a charging pile housing 1, a rear protective shell 3, and a top partition 4. The rear protective shell 3 is fixedly connected to the rear side of the charging pile housing 1 by multiple bolts. A winding wheel 16 is rotatably connected to the rear protective shell 3 by a pin. The charging gun power supply wire is wound in the groove of the winding wheel 16. In fact, the groove width of the annular groove opened on the outer wall of the winding wheel 16 needs to match the diameter of the charging gun power supply wire to avoid the power supply wire jumping, tangling, or overlapping during the retraction, and to reduce the local bending and wear of the cable caused by compression or knotting. An annular power supply component is provided on the end face of the winding wheel 16. When the winding wheel 16 winds or releases the power supply wire, the annular power supply component ensures that one end of the power supply wire is always energized. The annular power supply component includes a micro disk 162, a docking disk 12, and a vertical plate 11. The vertical plate 11 is fixedly connected to the bottom of the top partition 4 by bolts.

[0036] The top partition 4 is bolted to the rear housing 3. The top partition 4 divides the charging chamber composed of the rear housing 3 and the charging pile housing 1 into two independent chambers. The chamber above the top partition 4 is used to install the existing mature charging pile power control module, charging interface and communication unit. Because the specific structure and connection method of the charging pile power control module, charging interface and communication unit are existing technologies, they are not disclosed in this application.

[0037] A mating plate 12 is welded to the bottom of the vertical plate 11. An inner ring 122 and an outer ring 121 are concentrically and sequentially fixed to the end face of the mating plate 12. A concentric annular groove is opened on the end face of the mating plate 12. An insertion hole 161 is opened in the groove of the winding wheel 16. A micro disk 162 is fixedly welded to the center of the end face of the winding wheel 16. A first connector 1620 and a second connector 1621 are sequentially fixedly connected to the non-center position of the side of the micro disk 162. A cylindrical cavity is set at the center of the end face of the winding wheel 16. The micro disk 162 is actually installed at the end of the cylindrical cavity. The first connector 1620 and the second connector 1621 are actually made of conductive metal. When the mating plate 12 is in contact with the end face of the winding wheel 16, the first connector 1620 contacts the inner ring 122, and the second connector 1621 contacts the outer ring 121.

[0038] When installing the charging gun cable onto the winding reel 16, insert one end of the charging gun cable into the insertion hole 161, and then connect the two core power supply lines to the first connector 1620 and the second connector 1621 respectively. The outer ring 121 and the inner ring 122 are connected to external power lines and then connected to the control system of the charging pile. (Refer to...) Figure 2 In order to facilitate the connection of the power lines of the outer ring 121 and the inner ring 122 to the charging pile control system above the top partition 4, the top partition 4 is actually provided with an empty slot for the power lines to pass through.

[0039] The charging pile housing 1 has a charging gun port 2 on its side. An automatic winding component is provided on the opposite side of the annular power supply component. When the charging gun is inserted back into the charging gun port 2, the automatic winding component controls the winding wheel 16 to wind the power supply wire. The automatic winding component includes a counterweight 81, a connecting rope 8, a transmission wheel 7, and a winding wheel 17. The winding wheel 17 is concentrically fixed and welded to the side of the winding wheel 16. The winding wheel 17 and the winding wheel 16 have the same axis of rotation, ensuring that the winding wheel 17 can rotate synchronously when the winding wheel 16 rotates. The connecting rope 8 is wound around the outer wall of the winding wheel 17. The winding direction of the winding wheel 16 winding the power supply wire of the charging gun is opposite to the winding direction of the winding wheel 17 winding the connecting rope 8. When the counterweight 81 moves down due to its own weight, it will pull the winding wheel 17 to release the connecting rope 8. When the winding wheel 17 rotates, it will drive the winding wheel 16 to wind the power supply wire of the charging gun.

[0040] The drive wheel 7 is rotatably connected to the rear shell 3 by a pin shaft. The other end of the connecting rope 8 is wrapped around the outer circumference of the drive wheel 7 and then extended downward to be attached to a counterweight 81. The counterweight 81 is inserted vertically into a vertical T-rail 9, which is fixedly connected to the rear shell 3 by bolts. The counterweight 81 moves stably in the vertical direction under the restriction of the vertical T-rail 9. A rubber pad 10 is fixedly adhered to the rear shell 3 directly below the counterweight 81 to buffer the impact of the counterweight 81 falling and reduce structural noise.

[0041] The rear housing 3 is provided with a wire release holding assembly on the rear side of the winding wheel 16. The wire release holding assembly controls the automatic take-up assembly to maintain the wire release state. The wire release holding assembly includes a holding ratchet 6, a locking pawl 24, and a mounting horizontal column 26. The holding ratchet 6 is coaxially and fixedly welded to the rear side of the drive wheel 7. The mounting horizontal column 26 is fixedly welded above the holding ratchet 6 on the rear housing 3. The locking pawl 24 is rotatably connected to the outer wall of the mounting horizontal column 26. The outer wall of the mounting horizontal column 26 is fixedly welded to one end of the torsion spring 25. The other end of the torsion spring 25 is fixedly welded to the outer wall of the locking pawl 24. The locking pawl 24 extends into the groove of the holding ratchet 6. When the torsion spring 25 is at its original length, it will force the tail of the locking pawl 24 to continuously engage in the groove of the holding ratchet 6.

[0042] The locking pawl 24 and holding ratchet 6 are configured so that when the user pulls the charging gun to the car charging port, the charging gun power cable continuously rotates out from the winding wheel 16. During this time, the winding wheel 17 winds the connecting rope 8 for a certain length, raising the counterweight 81. At the same time, the locking pawl 24 continuously crosses the groove of the holding ratchet 6. Even if the user releases the charging gun port, the counterweight 81 is stabilized at a fixed height due to the self-locking property of the ratchet and pawl.

[0043] The rear housing 3 has a composite trigger component above the automatic cable retraction component. The composite trigger component automatically triggers the start action of the automatic cable retraction component only after the charging gun is inserted into the insertion port 2. The composite trigger component includes a positioning trigger component, a sinking trigger component, and a limiting plate 27. The positioning trigger component and the sinking trigger component form a double anti-accidental touch structure. Only when the charging gun inserted into the insertion port 2 is fully inserted into the insertion port 2 and placed into the sinking trigger component can the sinking trigger component turn the locking pawl 24 away from the groove of the holding ratchet 6, thus preventing the automatic cable release component from being accidentally touched and the charging pile from performing the cable retraction action incorrectly.

[0044] The sinking trigger assembly includes a mounting plate 20, a horizontal rod 22, and a connecting rod 23. The mounting plate 20 is fixedly welded to the rear housing 3. A vertical folding groove 201 is provided on the side of the mounting plate 20. A force-bearing column 21 is fixedly welded to one end of the horizontal rod 22, and the force-bearing column 21 extends into the vertical folding groove 201. The other end of the horizontal rod 22 is movably inserted into the connecting rod 23 and then fits against the side wall of the locking pawl 24. In order for one end of the horizontal rod 22 to fit against the side wall of the locking pawl 24, the thickness of the locking pawl 24 needs to be set to be greater than the thickness of the retaining ratchet 6. The vertical folding groove 201 specifically includes two vertical sections and an inclined section connecting the two vertical sections. (See reference) Figure 3 When the force-bearing column 21 moves downward under the influence of the receiving frame 291, from the vertical section on the left side of the vertical groove 201 to the vertical section on the right side of the vertical groove 201, it will force one end of the horizontal bar 22 to move laterally, thereby removing the stuck pawl 24 from the groove of the retaining ratchet 6.

[0045] One end of the connecting rod 23 is fixedly welded to a receiving frame 291. Vertical guide posts 29 are symmetrically inserted into the top of the receiving frame 291. The top of the vertical guide posts 29 is fixedly welded to the bottom of the top partition 4. The vertical guide posts 29 restrict the receiving frame 291 to move only in the vertical direction. The outer wall of the vertical guide posts 29 is fixedly welded to one end of the vertical spring 28. The other end of the vertical spring 28 is fixedly welded to the top of the receiving frame 291. When the vertical spring 28 is at its original length, the force-bearing column 21 is at the top of the vertical folding groove 201. When the charging gun is placed on the receiving frame 291, it will drive the receiving frame 291 and its connecting parts to move down and compress the vertical spring 28.

[0046] The positioning trigger assembly includes a U-shaped frame 30, a limiting post 31, a pushing post 32, and a horizontal spring 33. The top of the limiting plate 27 is fixedly welded to the bottom of the top partition 4. One end of the pushing post 32 is fixedly welded to the receiving folding frame 291. The U-shaped frame 30 is movably inserted into the outer wall of the pushing post 32. One end of the horizontal spring 33 is fixedly welded to the outer wall of the pushing post 32, and the other end of the horizontal spring 33 is fixedly welded to the side of the U-shaped frame 30. The limiting post 31 is fixedly welded to the side of the U-shaped frame 30 opposite to the pushing post 32. A limiting hole 271 is opened on the side of the limiting plate 27. The U-shaped frame 30 is sleeved on the outer wall of the limiting plate 27. (Reference) Figure 12When the horizontal spring 33 is at its original length, the distance between the U-shaped frame 30 and the right side of the limiting plate 27 is at its maximum, and the limiting post 31 is inserted into the limiting hole 271.

[0047] Since the charging gun power cable can easily trap debris after being used outside the charging station, directly winding the charging gun power cable onto the winding wheel 16 can cause impurities to enter the winding cavity along with the cable, causing jamming or wear. Therefore, the rear protective shell 3 is provided with a side cleaning component diagonally below the winding wheel 16, which scrapes along the outer wall of the power cable when the winding wheel 16 retracts the power cable.

[0048] The side-mounted cleaning assembly includes a transmission gear 14, a side-drive gear 15, a first bevel gear 151, a second bevel gear 18, a mounting cylinder 19, and a cleaning brush 192. A rope-winding wheel 17 is concentrically and fixedly connected to the transmission gear 14 on the opposite side of the winding wheel 16. The bottom of the transmission gear 14 is stably meshed with the side-drive gear 15, which is rotatably connected to the rear housing 3 via a pin. The first bevel gear 151 is concentrically and fixedly welded to the side-drive gear 15, and the first bevel gear 151 and the second bevel gear 18 are stably meshed. The second bevel gear 18 is rotatably connected to the charging pile housing 1. One end of the second bevel gear 18 is threaded into the mounting cylinder 19, and a fixing nut 191 is fixedly connected to the outer wall of the mounting cylinder 19. The mounting cylinder 19 is arranged in a circular array and fixedly mounted with the cleaning brush 192. During installation, the charging gun power cable needs to pass through the second bevel gear 18 and the mounting cylinder 19 to facilitate the cleaning brush 192 wrapping around the outer wall of the mounting cylinder 19. (Reference) Figure 9 The second bevel gear 18 has a receiving cavity on its side. Finally, in order to protect the charging port 2, a rain shelter 5 is fixedly welded to the charging pile shell 1 above the charging port 2.

[0049] The specific implementation steps and principles of this invention are as follows: When the user removes the charging gun from the receiving frame 291, the horizontal spring 33 and the vertical spring 28 return to their initial positions, and the limiting post 31 is inserted into the limiting hole 271. The receiving frame 291 cannot move vertically. When the user pulls the charging gun to the car charging port, the charging gun power supply line continuously rotates out from the winding wheel 16. During this time, the winding wheel 17 winds the connecting rope 8 for a certain length, lifting the counterweight 81. At the same time, the locking pawl 24 continuously crosses the groove of the holding ratchet 6. Even if the user releases the charging gun port, the counterweight 81 is stabilized at a fixed height due to the self-locking property of the ratchet and pawl.

[0050] After the user finishes charging, the user re-inserts the charging gun into the gun port 2 and pushes the U-shaped frame 30 to move laterally away from the gun port 2. At this time, the limiting post 31 disengages from the limiting hole 271. Simultaneously, the receiving frame 291 moves downward due to the weight of the charging gun, causing the force-bearing post 21, the horizontal rod 22, and the connecting rod 23 to move downward as a whole. However, since the force-bearing post 21 is inserted into the vertical folding groove 201, the force-bearing post 21 forces the horizontal rod 22 to move downward. One end of the horizontal rod 22 moves closer to the receiving frame 291, and one end of the horizontal rod 22 pushes the locking pawl 24 away from the groove of the retaining ratchet 6. At this time, the counterweight 81 rotates the rope wheel 17 at one end of the connecting rope 8 due to its own weight. The rope wheel 17 drives the winding wheel 16 to rotate, continuously winding the power supply line of the charging gun.

[0051] Whether the entire winding wheel 16 is winding or releasing the charging gun power supply line, the winding wheel 16 will drive the mounting cylinder 19 to rotate through the transmission gear 14, the first bevel gear 151, and the second bevel gear 18. The mounting cylinder 19 will drive multiple cleaning soft brushes 192 to spirally scrape along the outer wall of the charging gun power supply line.

[0052] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An automatic retractable charging pile, comprising a charging pile housing, a rear protective housing, and a top partition, characterized in that, A rear protective shell is fixedly connected to the rear side of the charging pile shell, and a winding wheel is rotatably connected to the rear protective shell. The charging gun power supply wire is wound in the groove of the winding wheel. The end face of the winding wheel is provided with an annular power supply component, which ensures that one end of the power supply line is always energized when the winding wheel winds or releases the power supply line. The charging pile housing has a gun port on its side, and the winding wheel is provided with an automatic winding component on the opposite side of the annular power supply component. When the charging gun is inserted back into the gun port, the automatic winding component controls the winding wheel to wind the power supply wire. The rear protective shell is provided with a wire release holding component on the rear side of the winding wheel. The wire release holding component controls the automatic wire take-up component to maintain the wire release state. The rear cover is provided with a composite trigger component above the automatic cable retraction component. The composite trigger component automatically triggers the start action of the automatic cable retraction component only after the charging gun is inserted into the charging gun port. The rear protective shell is provided with a side cleaning component diagonally below the winding wheel, which scrapes along the outer wall of the power supply line when the winding wheel retracts the power supply line.

2. The automatic retractable charging pile according to claim 1, characterized in that, The ring power supply assembly includes a micro disk, a docking disk, and a vertical plate. The vertical plate is fixedly connected to the bottom of the top partition, and the top partition is fixedly connected to the rear protective shell. The docking disk is fixedly connected to the bottom of the vertical plate, and an inner ring and an outer ring are concentrically and sequentially fixedly connected to the end face of the docking disk.

3. The automatic retractable charging pile according to claim 2, characterized in that, The winding wheel groove has an insertion hole, and a micro disk is fixedly connected to the center of the winding wheel end face. A first connector and a second connector are fixedly connected to the non-center position of the side of the micro disk in sequence. The connector is in contact with the end face of the winding wheel.

4. The automatic retractable charging pile according to claim 1, characterized in that, The automatic wire feeding assembly includes a counterweight, a connecting rope, a drive wheel, and a winding wheel. The winding wheel is concentrically fixed to the side of the winding wheel, and the connecting rope is wound around the outer wall of the winding wheel. The drive wheel is rotatably connected to the rear protective shell. The other end of the connecting rope is fixedly connected to the counterweight after passing through the outer wall of the drive wheel. The counterweight is movably inserted into a vertical T-rail in the vertical direction. The vertical T-rail is fixedly connected to the rear protective shell, and a rubber pad is fixedly connected to the rear protective shell directly below the counterweight.

5. The automatic retractable charging pile according to claim 1, characterized in that, The side cleaning assembly includes a transmission gear, a side drive gear, a first bevel gear, a second bevel gear, a mounting cylinder, and a cleaning soft brush. The transmission gear is concentrically fixed to the opposite side of the winding wheel. The side drive gear is stably meshed with the bottom of the transmission gear. The side drive gear is rotatably connected to the rear protective shell.

6. The automatic retractable charging pile according to claim 5, characterized in that, The side drive gear is concentrically fixedly connected to a first bevel gear, which is stably meshed with a second bevel gear. The second bevel gear is rotatably connected to the charging pile housing. One end of the second bevel gear is threaded into an installation cylinder. A fixing nut is fixedly connected to the outer wall of the installation cylinder. The installation cylinder has a circular array of cleaning soft brushes.

7. The automatic retractable charging pile according to claim 1, characterized in that, The line-laying retaining assembly includes a retaining ratchet, a locking pawl, and a mounting horizontal post. The retaining ratchet is coaxially and fixedly connected to the rear side of the drive wheel. The mounting horizontal post is fixedly connected above the retaining ratchet on the rear protective shell. The locking pawl is rotatably connected to the outer wall of the mounting horizontal post. One end of the mounting horizontal post is fixedly connected to a torsion spring, and the other end of the torsion spring is fixedly connected to the outer wall of the locking pawl. The locking pawl extends into the groove of the retaining ratchet.

8. The automatic retractable charging pile according to claim 1, characterized in that, The composite triggering assembly includes a positioning triggering assembly, a sinking triggering assembly, and a limiting plate. The sinking triggering assembly includes a mounting plate, a horizontal rod, and a connecting rod. The mounting plate is fixedly connected to the rear protective shell. A vertical folding groove is provided on the side of the mounting plate. A force-bearing column is fixedly connected to one end of the horizontal rod, and the force-bearing column extends into the vertical folding groove.

9. An automatic retractable charging pile according to claim 8, characterized in that, The other end of the horizontal bar is movably inserted into the connecting rod. One end of the connecting rod is fixedly connected to a receiving folding frame. Vertical guide posts are symmetrically and movably inserted into the top of the receiving folding frame. The top end of the vertical guide post is fixedly connected to the bottom of the top partition plate. The outer wall of the vertical guide post is fixedly connected to one end of a vertical spring. The other end of the vertical spring is fixedly connected to the top of the receiving folding frame.

10. An automatic retractable charging pile according to claim 8, characterized in that, The positioning trigger component includes a U-shaped frame, a limiting post, a pushing post, and a horizontal spring. The top of the limiting plate is fixedly connected to the bottom of the top partition plate, one end of the pushing post is fixedly connected to the receiving folding frame, and the U-shaped frame is movably inserted into the outer wall of the pushing post.

11. An automatic retractable charging pile according to claim 10, characterized in that, The outer wall of the push column is fixedly connected to one end of the horizontal spring, and the other end of the horizontal spring is fixedly connected to the side of the U-shaped frame. The U-shaped frame is fixedly connected to the side opposite to the push column with a limit post. The side of the limit plate has a limit hole, and the U-shaped frame is sleeved on the outer wall of the limit plate.

Images