A charging cable protection device for a charging pile
By combining modular protective blocks and limiting structures, the problems of damage and inconvenience in operation of charging cables during use are solved, achieving the effects of easy operation and extended service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GARAGE NO 7 NEW ENERGY TECH (SHENZHEN) CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-03
AI Technical Summary
Charging cables are easily damaged by dragging and crushing during use, especially in low-temperature environments where the rubber sheath hardens and becomes brittle, resulting in increased cable hardness and weight, making plugging, unplugging, and storage inconvenient.
The modular combination of protective blocks A and B reduces cable weight through a distributed protection structure, limits cable bending with a limiting structure, uses springs and balls to reduce friction, anti-slip strips to increase friction, and rubber limiting rings to protect the connection.
It enables easy cable handling, improves the convenience of plugging, unplugging and storage, extends cable life, and reduces wear and damage.
Smart Images
Figure CN224457704U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of charging cables for charging piles, specifically a protective device for charging cables used in charging piles. Background Technology
[0002] Charging cables for charging piles are specialized cables that connect charging piles to electric vehicles and other electrical equipment for transmitting electrical energy. They typically consist of a conductor, insulation layer, shielding layer, and sheath. Charging cables must possess good conductivity, insulation, mechanical properties, and environmental adaptability to meet the safe charging requirements in different scenarios. They are commonly used in the field of new energy vehicle charging and can be classified into AC charging cables and DC charging cables, depending on the charging power and interface type.
[0003] Charging cables are easily damaged during use due to dragging on the ground or being run over by vehicles. Therefore, a sheath is used on the outer layer of the cable to enhance its tensile and compressive strength. Although this can prevent damage to the cable, it will significantly increase the cable's hardness and weight during use, making it more difficult to bend. Especially in low-temperature environments, the rubber sheath is prone to hardening and embrittlement, further reducing flexibility, making insertion and removal difficult and cable storage inconvenient. To address this, we propose a protective device for charging cables used in charging piles. Utility Model Content
[0004] The purpose of this utility model is to provide a charging cable protection 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: a charging cable protection device for charging piles, comprising a charging cable body, one end of which is electrically connected to a charging gun, a protective structure on the surface of the charging cable body, the protective structure comprising a plurality of protective blocks A and a plurality of protective blocks B, both of which are fitted onto the surface of the charging cable body, two limiting blocks fixedly connected to the surface of the protective block B, two circular holes formed on the surface of the limiting block, two brackets fixedly connected to the surface of the protective block A, pins slidably passing through the surface of the brackets, the size of the pins being adapted to the size of the circular holes.
[0006] The effects achieved by the above components are as follows: by setting up a protective structure, the modular protective blocks A and B can be combined to achieve equivalent protection without the need for a heavy overall sheath. This reduces the overall weight of the cable, facilitates manual operation of the cable, and improves the convenience of insertion, removal, and storage.
[0007] Preferably, a spring is fitted onto the arc surface of the pin, and the two ends of the spring are fixedly connected to the pin and the bracket, respectively.
[0008] The effect achieved by the above components is that the spring on the surface of the pin provides elastic tension, keeping the pin inserted into the round hole and ensuring a stable connection of the protective block.
[0009] Preferably, both the protective block A and the protective block B have several grooves on their arc surfaces, and the inner walls of the grooves are rotatably connected with ball bearings.
[0010] The effect achieved by the above components is that when the charging cable body is dragged, the ball will rotate in the groove. The rolling of the ball reduces the friction during movement, thereby reducing the wear of protective block A and protective block B.
[0011] Preferably, both the protective block A and the protective block B have a number of anti-slip strips fixedly connected to their surfaces.
[0012] The effect achieved by the above components is that the anti-slip strip increases the friction between the protective blocks A and B and the charging cable body, thus preventing the protective blocks A and B from sliding on the surface of the charging cable body.
[0013] Preferably, the surface of the charging gun is provided with a limiting structure, the limiting structure including a rectangular box, the rectangular box being fixedly connected to the surface of the charging gun, the surface of the rectangular box being threaded with bolts, and an adjusting arm being slidably inserted into the inner wall of the rectangular box, with a limiting ring fixedly connected to the end of the adjusting arm away from the rectangular box.
[0014] The effect achieved by the above components is as follows: by setting a limiting structure, the limiting ring can limit excessive bending of the cable, protect the connection between the charging cable body and the charging gun, and extend the service life of the cable.
[0015] Preferably, the surface of the adjusting arm has a rectangular hole, and a limit rod slides through the inner wall of the rectangular hole. Both ends of the limit rod are fixedly connected to the rectangular box.
[0016] The effect achieved by the above components is that the rectangular hole on the surface of the adjusting arm slides in conjunction with the limiting rod, ensuring that the adjusting arm maintains a straight trajectory when moving, and preventing the adjusting arm from falling out of the rectangular box.
[0017] Preferably, a protective pad is fixedly connected to the inner wall of the limiting ring, and the protective pad is made of rubber.
[0018] The effect achieved by the above components is that the rubber protective pad on the inner wall of the limiting ring can protect the charging cable body, thereby preventing the charging cable body from being damaged by long-term friction within the limiting ring.
[0019] Compared with the prior art, the beneficial effects of this utility model are:
[0020] This utility model, by setting up a protective structure, achieves the mutual installation of protective blocks A and B on the surface of the charging cable body. Through the modular combination of protective blocks A and B, there is no need to use a heavy overall sheath. Equivalent protection is achieved through distributed protective blocks, reducing the overall weight of the cable, facilitating manual operation of the cable, and improving the convenience of insertion, removal, and storage.
[0021] By setting a limiting structure, the adjusting arm will drive the limiting ring to move axially along the charging cable when it moves. After adjusting to the appropriate position, the bolts are tightened to fix it. The limiting ring can limit the excessive bending of the cable, protect the connection between the charging cable body and the charging gun, and extend the service life of the cable. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 2 This is a schematic diagram of the protective structure of this utility model;
[0024] Figure 3 This is a schematic diagram of the structure of the protective block B of this utility model;
[0025] Figure 4 This is a schematic diagram of the structure of the charging gun of this utility model;
[0026] Figure 5 This is a schematic diagram of the limiting structure of this utility model.
[0027] In the diagram: 1. Charging cable body; 2. Charging gun; 3. Protective structure; 301. Protective block A; 302. Protective block B; 303. Limiting block; 304. Round hole; 305. Bracket; 306. Pin; 307. Spring; 308. Groove; 309. Ball bearing; 310. Anti-slip strip; 4. Limiting structure; 41. Rectangular box; 42. Bolt; 43. Adjusting arm; 44. Limiting ring; 45. Rectangular hole; 46. Limiting rod; 47. Protective pad. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] Please see Figure 1-2This utility model provides a technical solution: a charging cable protection device for charging piles, including a charging cable body 1, one end of which is electrically connected to a charging gun 2. The surface of the charging cable body 1 is provided with a protective structure 3. By setting the protective structure 3, modular protective blocks A301 and B302 are combined, eliminating the need for a heavy overall sheath. Equivalent protection is achieved through distributed protective blocks, reducing the overall weight of the cable, facilitating manual cable handling, and improving the convenience of insertion, removal, and storage. The surface of the charging gun 2 is provided with a limiting structure 4. By setting the limiting structure 4, the limiting ring 44 restricts excessive bending of the cable, protecting the connection between the charging cable body 1 and the charging gun 2, and extending the cable's service life.
[0030] Reference Figure 2 and Figure 3 As shown in this embodiment: the protective structure 3 includes several protective blocks A301 and several protective blocks B302. Both protective blocks A301 and B302 are fitted onto the surface of the charging cable body 1. Two limiting blocks 303 are fixedly connected to the surface of protective block B302. Two circular holes 304 are formed on the surface of the limiting blocks 303. Two brackets 305 are fixedly connected to the surface of protective block A301. A pin 306 slides through the surface of the bracket 305, and the size of the pin 306 matches the size of the circular hole 304. A spring 307 is fitted onto the arc surface of the pin 306. The two ends of the spring 307 are fixedly connected to the pin 306 and the bracket 305, respectively. The spring 307 on the surface of the pin 306 provides elastic tension, keeping the pin 306 inserted into the circular hole 304, ensuring a stable connection of the protective blocks. Both protective blocks A301 and B302 have several grooves 308 on their arc surfaces. Roller balls 309 are rotatably connected to the inner walls of the grooves 308. When the charging cable body 1 is dragged, the roller balls 309 rotate within the grooves 308. The rolling of the roller balls reduces friction during movement, thereby reducing wear on protective blocks A301 and B302. Several anti-slip strips 310 are fixedly connected to the surfaces of both protective blocks A301 and B302. These anti-slip strips 310 increase the friction between the protective blocks A301 and B302 and the charging cable body 1, preventing them from sliding on the surface of the charging cable body 1.
[0031] Reference Figure 4 and Figure 5As shown, specifically, the limiting structure 4 includes a rectangular box 41, which is fixedly connected to the surface of the charging gun 2. A bolt 42 is threaded onto the surface of the rectangular box 41. An adjusting arm 43 is slidably inserted into the inner wall of the rectangular box 41, and a limiting ring 44 is fixedly connected to the end of the adjusting arm 43 away from the rectangular box 41. A rectangular hole 45 is formed on the surface of the adjusting arm 43, and a limiting rod 46 slides through the inner wall of the rectangular hole 45. Both ends of the limiting rod 46 are fixedly connected to the rectangular box 41. The rectangular hole 45 on the surface of the adjusting arm 43 and the limiting rod 46 slide in cooperation, ensuring that the adjusting arm 43 maintains a straight trajectory when moving, and preventing the adjusting arm 43 from falling out of the rectangular box 41. A protective pad 47, made of rubber, is fixedly connected to the inner wall of the limiting ring 44. The rubber protective pad 47 on the inner wall of the limiting ring 44 protects the charging cable body 1, thereby preventing damage to the charging cable body 1 due to prolonged friction within the limiting ring 44.
[0032] Working principle: When protecting the charging cable body 1, protective blocks A301 and B302 are first fitted onto the surface of the charging cable body 1. Protective blocks A301 and B302 cause the anti-slip strip 310 to adhere to the surface of the charging cable body 1. The anti-slip strip 310 increases the friction between protective blocks A301 and B302 and the charging cable body 1, preventing them from sliding on the surface. At this time, the limiting block 303 is inserted into the bracket 305, and the pin 306 inserted into the surface of the bracket 305 is inserted into the circular hole 304 on the surface of the limiting block 303. The pin 306 restricts the position of the limiting block 303. The protective blocks A301 and B302 are then fixed to the surface of the charging cable body 1. The spring 307 on the surface of the pin 306 provides elastic tension, keeping the pin 306 inserted into the round hole 304, ensuring a stable connection of the protective blocks. The above operation is repeated to install several protective blocks A301 and B302 on the surface of the charging cable body 1. When the charging cable body 1 is dragged, the protective blocks A301 and B302 prevent the charging cable body 1 from rubbing against the ground. The ball bearing 309 rotates in the groove 308. The rolling of the ball bearing 309 reduces the friction during movement, thereby reducing the wear of the protective blocks A301 and B302.
[0033] The adjusting arm 43 is connected by bolt 42. When bolt 42 is loosened, the adjusting arm 43 can slide inside the rectangular box 41. The rectangular hole 45 on the surface of the adjusting arm 43 slides with the limiting rod 46 to ensure that the adjusting arm 43 maintains a straight trajectory when moving, thus preventing the adjusting arm 43 from falling out of the rectangular box 41. When the adjusting arm 43 moves, it will drive the limiting ring 44 to move axially along the charging cable. After adjusting to the appropriate position, tighten bolt 42 to fix it. The limiting ring 44 restricts excessive bending of the cable, protects the connection between the charging cable body 1 and the charging gun 2, and extends the service life of the cable. The rubber protective pad 47 on the inner wall of the limiting ring 44 can protect the charging cable body 1, thereby preventing the charging cable body 1 from being damaged by long-term friction inside the limiting ring 44.
[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0035] 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. A charging cable protection device for charging piles, comprising a charging cable body (1), one end of the charging cable body (1) is electrically connected with a charging gun (2), and the surface of the charging cable body (1) is provided with a protection structure (3), characterized in that: The protective structure (3) includes several protective blocks A (301) and several protective blocks B (302). Both protective blocks A (301) and protective blocks B (302) are fitted onto the surface of the charging cable body (1). Two limiting blocks (303) are fixedly connected to the surface of the protective block B (302). Two round holes (304) are opened on the surface of the limiting block (303). Two brackets (305) are fixedly connected to the surface of the protective block A (301). A pin (306) slides through the surface of the bracket (305). The size of the pin (306) is adapted to the size of the round hole (304).
2. The charging cable protection device for charging piles according to claim 1, characterized in that: The arc surface of the pin (306) is fitted with a spring (307), and the two ends of the spring (307) are fixedly connected to the pin (306) and the bracket (305) respectively.
3. The charging cable protection device for charging piles according to claim 1, characterized in that: The arc surfaces of the protective block A (301) and the protective block B (302) are each provided with a number of grooves (308), and the inner walls of the grooves (308) are rotatably connected with balls (309).
4. The charging cable protection device for charging piles according to claim 1, characterized in that: The surfaces of both protective block A (301) and protective block B (302) are fixedly connected with several anti-slip strips (310).
5. The charging cable protection device for charging piles according to claim 1, characterized in that: The surface of the charging gun (2) is provided with a limiting structure (4), the limiting structure (4) includes a rectangular box (41), the rectangular box (41) is fixedly connected to the surface of the charging gun (2), the surface of the rectangular box (41) is threaded with a bolt (42), the inner wall of the rectangular box (41) is slidably inserted with an adjusting arm (43), and a limiting ring (44) is fixedly connected to one end of the adjusting arm (43) away from the rectangular box (41).
6. The charging cable protection device for charging piles according to claim 5, characterized in that: The surface of the adjusting arm (43) is provided with a rectangular hole (45), and the inner wall of the rectangular hole (45) slides through a limiting rod (46). Both ends of the limiting rod (46) are fixedly connected to the rectangular box (41).
7. The charging cable protection device for charging piles according to claim 5, characterized in that: The inner wall of the limiting ring (44) is fixedly connected to a protective pad (47), which is made of rubber.