Automatic cable winding and unwinding device for charging pile

Abstract

The utility model discloses a charging pile cable automatic take-up and pay-off device which comprises a take-up device body, a box body is arranged on the outer side of the take-up device body, and a connecting plate is fixedly installed at the top end of the box body. According to the utility model, along with the starting of the servo motor I, the rotating shaft can drive the connecting plate to rotate, then the box body can drive the cable to turn over upwards, and at the moment, during the starting of the electric telescopic rod, the square plate can pull the cable to move in the box body, so that the cable can be pulled upwards; and during starting of a first servo motor and starting of a second servo motor, a rotating shaft drives a rubber roller to rotate, the rubber roller can extrude and convey the outer side of the cable, and therefore the redundant cable can be tightened in the take-up device body, so that workers can directly draw back the cable in the follow-up process, and the structure is easy to operate; and the cable can be stretched into the air, so that not only is a prompting effect on personnel achieved, but also the cable is effectively protected.

Description

Technical Field

[0001] This utility model relates to the technical field of charging piles, specifically to an automatic cable retraction and extension device for charging piles. Background Technology

[0002] Charging piles function similarly to gas pumps at gas stations. They can be fixed to the ground or walls and installed in public buildings (public buildings, shopping malls, public parking lots, etc.) and residential parking lots or charging stations. They can charge various models of electric vehicles according to different voltage levels. The input end of the charging pile is directly connected to the AC power grid, and the output end is equipped with a charging plug for charging electric vehicles.

[0003] According to CN221396707U, a cable retractor for a new energy vehicle charging pile includes a first support frame. Multiple screws and nuts are provided on the outer side of the first support frame. The right side of the first support frame is fixedly connected to a second support frame via the screws and nuts. Cable holes are provided on the outer walls of both the first and second support frames. The bottom of the second support frame is fixedly connected to a base via the screws and nuts, and the right side of the second support frame is fixedly connected to a main shaft via screws and nuts. In this invention, the cooperation between the first support frame, the second support frame, and the screws and nuts protects the cable connected to the device, thereby improving the device's safety. Furthermore, the cooperation between the four-way wheel, the first support frame, and the first side cover allows for cable retraction, improving the device's practicality. However, some problems still exist in the use of this device. Although it can automatically retract the used cable, during the outward stretching of the cable, due to the cable's weight and length, the cable will contact the ground in an arc shape, still causing the cable to be crushed. Therefore, we propose an automatic cable retraction device for charging piles to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic cable retraction and extension device for charging piles to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic cable reeling and unloading device for charging piles, comprising a cable reel body, a housing provided on the outer side of the cable reel body, a connecting plate fixedly installed on the top of the housing, a rotating shaft fixedly installed on the connecting plate, the rotating shaft rotatably connected to the outer side of a connecting seat, the connecting seat fixedly installed on the top of the cable reel body, the other end of the rotating shaft fixedly connected to the end of the shaft of a first servo motor, the first servo motor fixedly installed on the outer side of the connecting seat, an electric telescopic rod fixedly installed on the top of the connecting plate, a square plate fixedly connected to the telescopic end of the electric telescopic rod, the square plate being inside the connecting plate, a cable hole provided on the square plate, an outer cavity groove provided on the outer side of the square plate, a fixing plate fixedly installed inside the outer cavity groove, a second servo motor fixedly installed on the outer side of the fixing plate, a rotating shaft fixedly installed on the end of the shaft of the second servo motor, a rubber roller fixedly installed on the outer side of the rotating shaft, the outer side of the rubber roller being exposed inside the cable hole.

[0006] As a further preferred embodiment of this technical solution, the outer side of the rubber roller abuts against the inner wall of the cable hole, and a recessed groove is formed on the outer side of the rubber roller, the recessed groove being evenly distributed on the outer side of the rubber roller.

[0007] As a further preferred embodiment of this technical solution, a guide plate is fixedly installed on the outer side of the fixing plate, the outer side of the guide plate abuts against a limiting plate, and the limiting plate is fixedly disposed inside the connecting plate.

[0008] As a further preferred embodiment of this technical solution, the guide plate is provided in two sets, and the two sets of guide plates are symmetrically distributed on the outer side of the fixed plate, with the outer side of the guide plate abutting against the inner wall of the box.

[0009] As a further preferred embodiment of this technical solution, a threaded hole is provided on the outer side of the box body, a screw sleeve is engaged with the inside of the threaded hole, a rubber cylinder is fixedly installed on the inner wall of the screw sleeve, the rubber cylinder can be inserted into the inside of the threaded hole, and an outer handle is fixedly installed on the outer side of the rubber cylinder.

[0010] As a further preferred embodiment of this technical solution, the thread connecting the threaded hole and the screw sleeve is a fine-pitch thread, and a gap is provided between the screw sleeve and the rubber sleeve.

[0011] As a further preferred embodiment of this technical solution, a groove is provided on the outer side of the rubber cylinder, and a magnetic sheet is fixedly installed inside the groove.

[0012] This utility model provides an automatic cable retraction and extension device for charging piles, which has the following beneficial effects:

[0013] When the first servo motor is started, the rotating shaft drives the connecting plate to rotate, and then the housing can rotate the cable upward. At this time, the electric telescopic rod is activated, which allows the square plate to pull the cable inside the housing, thereby pulling the cable upward. When the second servo motor is started, the rotating shaft drives the rubber roller to rotate, which can squeeze and convey the outside of the cable. Thus, the excess cable can be tightened inside the cable retractor body, so that personnel can directly pull the cable back later. This structure is simple to operate. When the cable is in use, it can be stretched into the air, which not only serves as a reminder to personnel, but also effectively protects the cable.

[0014] This utility model features a threaded hole, a screw sleeve, and a rubber tube that work together. As the screw sleeve is inside the threaded hole, the rubber tube scrapes off dust and debris adhering to the outside of the cable during the cable retraction process. The rubber tubes are also separable, allowing personnel to disassemble them for cleaning. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a right-side view of the structure of the square plate of this utility model;

[0017] Figure 3 This is a right-side sectional view of the structure of the rotating shaft of this utility model;

[0018] Figure 4 This is a right-side view of the structure of the rubber cylinder of this utility model in its separated state.

[0019] In the diagram: 1. Retractor body; 2. Housing; 3. Connecting plate; 4. Rotating shaft; 5. Connecting seat; 6. Servo motor one; 7. Electric telescopic rod; 8. Square plate; 9. Cable hole; 10. Outer cavity groove; 11. Fixing plate; 12. Servo motor two; 13. Rotating shaft; 14. Rubber roller; 15. Recessed groove; 16. Guide plate; 17. Limiting plate; 18. Threaded hole; 19. Screw sleeve; 20. Rubber cylinder; 21. Outer handle; 22. Groove; 23. Magnetic sheet. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] This utility model provides a technical solution: such as Figure 1 , Figure 2 and Figure 3As shown in this embodiment, an automatic cable retraction device for charging piles includes a cable retractor body 1. A housing 2 is provided on the outer side of the cable retractor body 1. A connecting plate 3 is fixedly installed on the top of the housing 2. A rotating shaft 4 is fixedly installed on the connecting plate 3. The rotating shaft 4 is rotatably connected to the outer side of a connecting seat 5. The connecting seat 5 is fixedly installed on the top of the cable retractor body 1. The other end of the rotating shaft 4 is fixedly connected to the shaft end of a servo motor 6. The servo motor 6 is fixedly installed on the outer side of the connecting seat 5. An electric telescopic rod 7 is fixedly installed on the top of the connecting plate 3. A square plate is fixedly connected to the telescopic end of the electric telescopic rod 7. 8. The square plate 8 is located inside the connecting plate 3. A cable hole 9 is provided on the square plate 8. An outer cavity groove 10 is provided on the outer side of the square plate 8. A fixing plate 11 is fixedly installed inside the outer cavity groove 10. A servo motor 12 is fixedly installed on the outer side of the fixing plate 11. A rotating shaft 13 is fixedly installed at the end of the rotating shaft of the servo motor 12. A rubber roller 14 is fixedly installed on the outer side of the rotating shaft 13. The outer side of the rubber roller 14 is exposed inside the cable hole 9. When the servo motor 6 is started, the rotating shaft 4 drives the connecting plate 3 to rotate. Then, the housing 2 can drive the cable to flip upwards. At this time, the electric telescopic rod 7... During startup, the square plate 8 pulls the cable inside the housing 2, thereby pulling the cable upwards. Simultaneously, the servo motor 12 starts, causing the rotating shaft 13 to rotate the rubber roller 14, which then squeezes and conveys the cable from the outside. Excess cable is then gathered inside the take-up unit 1 for easy retraction later. This structure is simple to operate. During cable use, the cable can be stretched into the air, serving as a warning to personnel and effectively protecting the cable. The outer side of the rubber roller 14 abuts against the inner wall of the cable hole 9. A recessed groove 15 is provided on the outer side of the rubber roller 14. The recessed groove 15 is evenly distributed on the outer side of the rubber roller 14, which can effectively clamp and transport the cable. A guide plate 16 is fixedly installed on the outer side of the fixed plate 11. The outer side of the guide plate 16 abuts against the limiting plate 17. The limiting plate 17 is fixedly set inside the connecting plate 3. There are two sets of guide plates 16. The two sets of guide plates 16 are symmetrically distributed on the outer side of the fixed plate 11. The outer side of the guide plate 16 abuts against the inner wall of the box 2. Through the cooperation of the guide plate 16 and the limiting plate 17, the square plate 8 can be stably positioned inside the box 2 for lifting and lowering.

[0022] like Figure 4As shown, a threaded hole 18 is provided on the outer side of the housing 2. A screw sleeve 19 is engaged inside the threaded hole 18. A rubber cylinder 20 is fixedly installed on the inner wall of the screw sleeve 19. The rubber cylinder 20 can be inserted into the threaded hole 18. An outer handle 21 is fixedly installed on the outer side of the rubber cylinder 20. Through the cooperation between the threaded hole 18, the screw sleeve 19, and the rubber cylinder 20, as the screw sleeve 19 is inside the threaded hole 18, the rubber cylinder 20 can scrape off dust and debris adhering to the outside of the cable during the cable retraction process. The rubber cylinders 20 are designed to be detachable for easy disassembly and cleaning. The thread connecting the threaded hole 18 and the screw sleeve 19 is a fine thread. A gap is provided between the screw sleeve 19 and the rubber cylinder 20 to effectively fix the position of the rubber cylinder 20 and facilitate the rotation of the handle 21. A groove 22 is provided on the outer side of the rubber cylinder 20, and a magnetic piece 23 is fixedly installed inside the groove 22. The groove 22 and the magnetic piece 23 are designed to position the rubber cylinders 20.

[0023] This utility model provides an automatic cable retraction and extension device for charging piles, the specific working principle of which is as follows:

[0024] During operation, as personnel pull the cable from inside the cable retractor body 1 and insert the charging head into the back of the tram, the cable contacts the ground in an arc. Servo motor 6 is activated, causing the rotating shaft 4 to rotate the connecting plate 3. Then, the housing 2 rotates the cable upwards. Simultaneously, the electric telescopic rod 7 is activated, causing the square plate 8 to pull the cable inside the housing 2, thus pulling the cable upwards. Additionally, the servo motor 12 is activated, causing the rotating shaft 13 to rotate the rubber roller 14. This allows the rubber roller 14 to squeeze and convey the outer side of the cable, thereby tightening the excess cable inside the take-up unit 1, facilitating subsequent cable retraction by personnel. Furthermore, the engagement between the threaded hole 18, the screw sleeve 19, and the rubber cylinder 20, with the screw sleeve 19 inside the threaded hole 18, allows the rubber cylinder 20 to scrape away dust and debris adhering to the outer side of the cable during cable retraction. The rubber cylinders 20 also have a separation function, allowing personnel to disassemble them for cleaning.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic cable retraction and extension device for charging piles, characterized in that: The device includes a take-up reel body (1), a housing (2) on the outside of the take-up reel body (1), a connecting plate (3) fixedly installed on the top of the housing (2), a rotating shaft (4) fixedly installed on the connecting plate (3), the rotating shaft (4) being rotatably connected to the outside of a connecting seat (5), the connecting seat (5) being fixedly installed on the top of the take-up reel body (1), the other end of the rotating shaft (4) being fixedly connected to the shaft end of a servo motor (6), the servo motor (6) being fixedly installed on the outside of the connecting seat (5), and an electric telescopic rod (7) fixedly installed on the top of the connecting plate (3). A square plate (8) is fixedly connected to the telescopic end of the rod (7). The square plate (8) is located inside the connecting plate (3). A cable hole (9) is provided on the square plate (8). An outer cavity groove (10) is provided on the outer side of the square plate (8). A fixing plate (11) is fixedly installed inside the outer cavity groove (10). A servo motor (12) is fixedly installed on the outer side of the fixing plate (11). A rotating shaft (13) is fixedly installed at the end of the rotating shaft of the servo motor (12). A rubber roller (14) is fixedly installed on the outer side of the rotating shaft (13). The outer side of the rubber roller (14) is exposed inside the cable hole (9).

2. The automatic cable retraction and extension device for charging piles according to claim 1, characterized in that: The outer side of the rubber roller (14) abuts against the inner wall of the cable hole (9), and the outer side of the rubber roller (14) is provided with a recessed groove (15), which is evenly distributed on the outer side of the rubber roller (14).

3. The automatic cable retraction and extension device for charging piles according to claim 1, characterized in that: A guide plate (16) is fixedly installed on the outside of the fixed plate (11), and the outside of the guide plate (16) abuts against the limiting plate (17), which is fixedly disposed inside the connecting plate (3).

4. The automatic cable retraction and extension device for charging piles according to claim 3, characterized in that: The guide plate (16) is provided in two sets, and the two sets of guide plates (16) are symmetrically distributed on the outer side of the fixed plate (11). The outer side of the guide plate (16) abuts against the inner wall of the box (2).

5. The automatic cable retraction and extension device for charging piles according to claim 1, characterized in that: The outer side of the box (2) is provided with a threaded hole (18), and a screw sleeve (19) is engaged inside the threaded hole (18). A rubber cylinder (20) is fixedly installed on the inner wall of the screw sleeve (19). The rubber cylinder (20) can be inserted into the inside of the threaded hole (18). An outer handle (21) is fixedly installed on the outer side of the rubber cylinder (20).

6. The automatic cable retraction and extension device for charging piles according to claim 5, characterized in that: The thread connecting the threaded hole (18) and the screw sleeve (19) is a fine thread, and there is a gap between the screw sleeve (19) and the rubber sleeve (20).

7. The automatic cable retraction and extension device for charging piles according to claim 5, characterized in that: The rubber cylinder (20) has a groove (22) on its outer side, and a magnetic sheet (23) is fixedly installed inside the groove (22).

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