Electric shock prevention charging connection device
By designing grooves and holes in the isolation column in the charging connection device, combined with the bosses and clamping columns of the cover plate, the protective door can be stably installed, solving the problems of easy falling and low installation efficiency of the charging base protective door, thereby improving safety and production efficiency.
Patent Information
- Application Number
- CN202511248424.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-03
- Publication Date
- 2025-10-17
AI Technical Summary
The protective doors of existing charging stations are not installed firmly and are easy to fall off. In addition, multiple protective doors lead to low installation efficiency and increase the risk of electric shock.
An anti-electric shock charging connection device is designed, in which a groove and a clamping hole are provided in the isolation column, a boss and a clamping column are provided on the cover plate, and a rotating shaft and a torsion spring are used to achieve stable installation of the protective door, reducing the number of protective doors to two and improving assembly efficiency.
The safety and assembly efficiency of the charging connection device are improved, the occurrence of electric shock accidents is reduced, and the production process is simplified.
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Figure CN120792553A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of automobile charging devices, in particular to a shockproof charging connecting device. BACKGROUND
[0002] With the continuous development of new energy battery, overseas alternating current charging village and other fields, new energy vehicles are becoming more and more common. The most widely promoted new energy vehicle today is electric vehicle, which is driven by electricity and needs to be charged. Usually, the electric vehicle is provided with a charging seat, and the electric vehicle is charged by inserting the charging plug into the charging seat.
[0003] However, most of the alternating current charging piles are provided with sockets. Since the charging plug hole in the charging seat or the charging connector is large, if the user does not operate properly when plugging in or out the charging gun, the live terminal part may be touched, resulting in the risk of electric shock. In order to solve this problem, some charging plugs and charging seats are provided with protective doors. However, the protective doors of the existing charging seats are installed by aligning the holes of the cover plates with the isolation columns during installation. The cover plates are often installed firmly and are prone to falling, and the installation efficiency is particularly low. In addition, too many protective doors are difficult to assemble, and the production efficiency is low.
[0004] At present, there is no effective solution to the above problems. SUMMARY
[0005] In view of the above technical problems in the related art, the present application provides a shockproof charging connecting device, which can overcome the above shortcomings of the prior art.
[0006] To achieve the above technical purposes, the technical scheme of the present application is as follows: A shockproof charging connecting device, comprising a plurality of isolation columns inside a charging plug, each of the isolation columns is provided with two opposite protective doors at the upper part, and the two opposite protective doors on the same isolation column constitute a door for the charging terminal inside the isolation column; a plurality of grooves are arranged on the inner wall of the isolation column, and the top end of the isolation column is connected with a cover plate through the grooves.
[0007] Further, two opposite protective door grooves are arranged on the isolation column and connected with the corresponding protective doors, two opposite main grooves are arranged on the inner wall of the isolation column on the symmetry axis of the two protective door grooves, two vice grooves are arranged on both sides of each main groove, and a clamping hole is arranged on the upper part of the isolation column.
[0008] Further, a boss corresponding to the main groove and the vice groove is arranged on the cover plate.
[0009] Further, a clamping column corresponding to the clamping hole is arranged on the cover plate.
[0010] Further, the protection door is located inside the protection door slot, a rotating shaft is arranged on the protection door, two ends of the rotating shaft are connected with rotating grooves on two sides of the protection door slot respectively, the protection door can rotate along the rotating shaft, and a torsional spring for pushing the protection door to reset is arranged on one end of the rotating shaft.
[0011] Further, the isolation column is provided with a limiting table below the bottom of the protection door slot for limiting the protection door.
[0012] Further, the cover plate and the isolation column are further fixed by glue.
[0013] Further, the charging plug is connected with the charging socket.
[0014] The present application has the following advantages: the safety door is installed in the protection door slot through the rotating shaft, the grooves and the clamping holes are arranged on the inner wall of the isolation column, the convex platform and the clamping column are arranged on the cover plate, the convex platform is clamped into the corresponding groove, and the clamping column is inserted into the clamping column during assembly, so that the cover plate and the isolation column are firmly installed, the safety during use is improved, two protection doors are adopted, the efficiency during assembly is greatly improved, and the practicability is very large. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.
[0016] Figure 1 It is a structure schematic diagram of the electric shock prevention charging connection device according to the embodiment of the present application; Figure 2 It is a structure schematic diagram of the isolation column of the electric shock prevention charging connection device according to the embodiment of the present application; Figure 3 It is a structure schematic diagram of the back of the cover plate of the electric shock prevention charging connection device according to the embodiment of the present application; Figure 4 It is a structure schematic diagram of the protection door of the electric shock prevention charging connection device according to the embodiment of the present application; Figure 5 It is a structure schematic diagram of the plug of the electric shock prevention charging connection device according to the embodiment of the present application; Figure 6 It is an assembly exploded view of the plug of the electric shock prevention charging connection device according to the embodiment of the present application; In the figure: 1, charging plug; 2, isolation column; 3, protection door; 4, blocking door; 5, cover plate; 6, protection door groove; 7, main groove; 8, auxiliary groove; 9, card hole; 10, card column; 11, rotating shaft; 12, torsional spring; 13, charging socket; 14, boss one; 15, boss two. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.
[0018] As Figures 1-6 shown, the anti-electric shock charging connection device according to the embodiments of the present application comprises a plurality of isolation columns 2 inside the charging plug 1, the upper part of each isolation column 2 is provided with two opposite protection doors 3, and the two opposite protection doors 3 on the same isolation column 2 constitute the blocking door 4 of the charging terminal inside the isolation column 2; a plurality of grooves are arranged on the inner wall of the isolation column 2, and the top end of the isolation column 2 is connected with the cover plate 5 through the grooves.
[0019] In the embodiments, the isolation column 2 is provided with two opposite protection door grooves 6 movably connected with the corresponding protection doors 3, the inner wall of the isolation column 2 is provided with two opposite main grooves 7 on the symmetry axis of the two protection door grooves 6, each main groove 7 is provided with an auxiliary groove 8 on both sides, and the isolation column 2 is provided with a card hole 9 on the upper part of the main groove 7.
[0020] In the embodiments, the cover plate 5 is provided with a boss corresponding to the main groove 7 and the auxiliary groove 8.
[0021] In the embodiments, the cover plate 5 is provided with a card column 10 corresponding to the card hole 9.
[0022] In the embodiments, the protection door 3 is located inside the protection door groove 6, the protection door 3 is provided with a rotating shaft 11, the two ends of the rotating shaft 11 are respectively connected with the rotating grooves on both sides of the protection door groove 6, the protection door 3 can rotate along the rotating shaft 11, and a torsional spring 12 for pushing the protection door 3 to reset is arranged at one end of the rotating shaft 11.
[0023] In the embodiments, the isolation column 2 is provided with a limiting table below the bottom of the protection door groove 6 for limiting the protection door 3.
[0024] In the embodiments, the cover plate 5 and the isolation column 2 are further fixed by glue.
[0025] In the embodiment, the charging plug 1 is connected with the charging socket 13.
[0026] In order to facilitate the understanding of the above technical solutions of the present application, the above technical solutions of the present application are described in detail below through specific use modes.
[0027] In specific use, according to the anti-electric shock charging connection device, the charging plug 1 is connected with the charging socket 13, a plurality of charging isolation columns 2 are arranged in the charging plug 1, an anti-electric shock protection door 3 is arranged at the upper end of the charging isolation column 2, a plurality of isolation columns 2 and charging terminal corresponding anti-electric shock protection doors 3 are arranged on the charging socket 13, a charging terminal is arranged in the protection door 3, a protection door groove 6 is arranged at the upper end of the isolation column 2 of the charging plug, the protection door 3 is arranged in the protection door groove 6, grooves for rotating the protection door 3 are arranged on both sides of the protection door groove 6, torsion springs 12 are arranged on the protection door rotating shafts 11, the protection door rotating shafts 11 on which the torsion springs 12 are arranged are arranged in the U-shaped groove rotating with the plug, and the cover plate 5 is arranged at the upper end of the isolation column 2 in the static state.
[0028] The rotating shaft 11 is perpendicular to the axis of the isolation column 2. The torsion spring 12 is sleeved on the rotating shaft 11. Each protection door 3 arranged on the same isolation column 2 is combined to form a blocking door 4.
[0029] A plurality of protection door grooves 6 are arranged on the isolation column 2, rotating grooves are arranged on both sides of the plurality of protection door grooves 6; the protection door is arranged in the protection door groove 6, and the rotating shaft is arranged in the rotating groove; the protection door groove 6 is arranged towards the lower side of the inner side of the isolation column 2 and is provided with a lever groove for accommodating a lever assembly.
[0030] The protection door groove 6 is arranged towards the lower side of one side of the inner side of the isolation column 2 and is provided with a limiting table for limiting the protection door 3.
[0031] Two opposite main grooves 7 are arranged on the inner wall of the isolation column 2 on the symmetry axes of the two protection door grooves 6, vice grooves 8 are arranged on both sides of each main groove 7, and a clamping hole 9 is arranged on the upper part of the isolation column 2. A first convex table 14 corresponding to the main groove 7 is arranged on the cover plate 5, and a second convex table 15 corresponding to the vice groove 8 is arranged on the cover plate 5.
[0032] A glue groove is further arranged on the isolation column, and the cover plate 4 and the isolation column 2 are further fixed by glue.
[0033] The original existing 3-4 protection door structures have small space positions, too many protection doors are difficult to assemble, and the production efficiency is low. Changing 2 protection doors, the assembly operation process is more than 2 times the original efficiency, and the operation is simple. The anti-electric shock charging connection device effectively prevents electric shock accidents from occurring through physical and mechanical rotation and isolation, dynamic response mechanism, protection door design and material comprehensive protection effect and other mechanisms. The structure is compact and has the advantages of small space occupation.
[0034] In summary, by means of the above technical scheme of the present application, the safety door is installed in the protection door slot through the rotating shaft, the groove and the clamping hole are arranged on the inner wall of the isolation column, the boss and the clamping column are arranged on the cover plate, the boss is clamped into the corresponding groove during assembly, the clamping column is inserted into the clamping column, the cover plate and the isolation column are firmly installed, the safety during use is improved, two protection doors are adopted, the efficiency during assembly is greatly improved, and the practicality is very large.
[0035] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An anti-electric shock charging connection device, characterized in that: The invention comprises a plurality of isolation columns (2) located inside a charging plug (1), wherein the upper portion of each isolation column (2) is provided with two opposing protective doors (3), and the two opposing protective doors (3) provided on the same isolation column (2) constitute a blocking door (4) for the charging terminal inside the isolation column (2); a plurality of grooves are provided on the inner wall of the isolation column (2), and the top end of the isolation column (2) is clamped with a cover plate (5) through the grooves.
2. The anti-electric shock charging connection device according to claim 1, characterized in that: The isolation column (2) is provided with two opposite protection door grooves (6) movably connected to the corresponding protection doors (3); the inner wall of the isolation column (2) is provided with two opposite main grooves (7) on the symmetry axis of the two protection door grooves (6); each main groove (7) is provided with auxiliary grooves (8) on both sides; the isolation column (2) is provided with a clamping hole (9) on the upper part of the main groove (7).
3. The anti-electric shock charging connection device according to claim 2, characterized in that: The cover plate (5) is provided with bosses corresponding to the main groove (7) and the auxiliary groove (8).
4. The anti-electric shock charging connection device according to claim 2, characterized in that: The cover plate (5) is provided with a clamping column (10) corresponding to the clamping hole (9).
5. The anti-electric shock charging connection device according to claim 1, characterized in that: The protection door (3) is located inside the protection door slot (6). A rotating shaft (11) is provided on the protection door (3). Both ends of the rotating shaft (11) are respectively connected to the rotating grooves on both sides of the protection door slot (6). The protection door (3) can rotate along the rotating shaft (11). One end of the rotating shaft (11) is provided with a torsion spring (12) for pushing the protection door (3) to reset.
6. The anti-electric shock charging connection device according to claim 5, characterized in that: The isolation column (2) is provided with a limiting platform below the bottom of the protection door slot (6) for limiting the protection door (3).
7. The anti-electric shock charging connection device according to claim 1, characterized in that: The cover plate (5) and the isolation column (2) are also fixed by glue.
8. The anti-electric shock charging connection device according to any one of claims 1 to 7, characterized in that: The charging plug (1) is connected to the charging socket (13).