Plug anti-falling device of electric vehicle charging pile
By designing a combination of mounting plates, pull rings, connectors, and clamping parts on the charging pile, the problem of the charging plug easily falling off is solved, and the plug is stably clamped, improving the safety and convenience of the charging process.
Patent Information
- Application Number
- CN202423055190.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-11
AI Technical Summary
Charging plugs are easily detached due to external factors, leading to charging interruptions or safety accidents, which is difficult to prevent effectively with existing technology.
An anti-drop device was designed, comprising a mounting plate, a pull ring, a connector, a clamping element, and a damper. The plug is clamped by the cooperation of the clamping element and the connector, and stability is provided by the lower clamping block and the damper.
It improves the connection stability of the charger plug, prevents it from falling off, ensures the safety and continuity of the charging process, simplifies operation, and reduces maintenance costs.
Smart Images

Figure CN223583391U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrical engineering, and in particular to a plug anti-detachment device for electric vehicle charging piles. Background Technology
[0002] With the increasing popularity of electric vehicles, the safety and reliability of charging facilities have become particularly important. As a key device for replenishing the energy of electric vehicles, the stability of the charging pile's plug connection directly affects the safety and efficiency of the charging process. In actual use, external factors such as wind, vehicle vibration, or accidental human contact may cause the charging plug to come loose unexpectedly, which may not only interrupt the charging process but also cause safety accidents or damage to the equipment.
[0003] Therefore, in order to address the above problems, a plug anti-detachment device for electric vehicle charging piles has been developed. Utility Model Content
[0004] In order to overcome the shortcomings of existing devices in actual use, such as the charging plug may accidentally fall off due to external factors such as wind, vehicle vibration or human accident, which may not only interrupt the charging process, but also cause safety accidents or damage the equipment, this utility model provides a plug anti-detachment device for electric vehicle charging piles.
[0005] The technical solution of this utility model is as follows: a plug anti-detachment device for an electric vehicle charging pile, comprising an mounting plate, two mounting plates, left and right, mounted above the charging pile's socket. A pull ring is rotatably connected to the lower front side of each mounting plate. A first torsion spring is installed between the left and right sides of each pull ring and the adjacent mounting plate. A connecting member is slidably connected to the middle of each pull ring, and the connecting member slides left and right along the adjacent pull ring. A guide member is slidably connected to the front of each connecting member. A pressing member is connected between the rear sides of adjacent guide members. The lower part of the pressing member has an arc-shaped structure. Two dampers are connected between each pressing member and the adjacent connecting member. The dampers are mounted on the adjacent connecting members. Two springs are connected between each connecting member and the adjacent pressing member, and the springs are sleeved on the corresponding dampers. Two symmetrical lower clamping blocks are rotatably connected to each connecting member. A second torsion spring is connected between each lower clamping block and the adjacent connecting member.
[0006] Furthermore, the mounting plate has three pre-drilled screw holes, which are used to assist operators in installing the mounting plate onto the charging pile.
[0007] Furthermore, the pull ring has a zigzag structure.
[0008] Furthermore, the connector has an L-shaped structure.
[0009] Further, the front part of the connecting piece is an arc structure.
[0010] Further, the rear side of the extruding piece is provided with an anti-skid pad.
[0011] By adopting the above technical scheme, compared with the prior art, the electric vehicle charging pile plug anti-falling device has the following advantages:
[0012] The extruding piece and the connecting piece are matched to clamp and stabilize the charger to the mounting seat, the lower clamping block supports the charging wire, plug falling is further avoided, the connection stability of the electric vehicle charger in the use process is improved, the design is simple to operate, use convenience is improved in use, the device can be repeatedly used, and complicated maintenance work is not needed before and after each use, input cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a first three-dimensional structure schematic view of the utility model.
[0014] Fig. 2 It is a second three-dimensional structure schematic view of the utility model.
[0015] Fig. 3 It is a part sectional three-dimensional structure schematic view of the utility model.
[0016] In the figure mark: 1_installation board, 2_pull ring, 3_first torsional spring, 4_connecting piece, 5_extruding piece, 6_damper, 7_ guiding piece, 8_spring, 9_lower clamping block, 10_second torsional spring. DETAILED DESCRIPTION
[0017] The utility model is specifically introduced below in combination with the drawings and specific embodiments.
[0018] An electric vehicle charging pile plug anti-falling device, like Figs. 1-3As shown, including the mounting plate 1, mounting plate 1 is provided with two, mounting plate 1 is installed above the charging pile socket, mounting plate 1 on the three screw holes are reserved, screw holes for auxiliary operator to install the mounting plate 1 on the charging pile, mounting plate 1 lower front side are rotatably connected with the pull ring 2, pull ring 2 is a few word type structure, pull ring 2 left and right part and the adjacent mounting plate 1 between are provided with first torsional spring 3, pull ring 2 middle part are slidably connected with connecting piece 4, connecting piece 4 along the adjacent pull ring 2 left and right slide, connecting piece 4 is L shape structure, connecting piece 4 front is arc structure, connecting piece 4 front are slidably connected with guide piece 7, adjacent guide piece 7 rear side between are connected with extrusion piece 5, extrusion piece 5 rear side is provided with non slip mat, extrusion piece 5 lower part is arc surface structure, extrusion piece 5 and the adjacent connecting piece 4 between are connected with two dampers 6, damper 6 are installed on the adjacent connecting piece 4, connecting piece 4 and the adjacent extrusion piece 5 between are connected with two springs 8, spring 8 are all set on the corresponding damper 6, connecting piece 4 on rotatably connected with left and right symmetric two lower clamping block 9, lower clamping block 9 and the adjacent connecting piece 4 between are connected with second torsional spring 10.
[0019] Need to explain, in the process of using the charger to charge electric car charging pile, can use the device to assist operation, thereby preventing the plug from falling off accidentally, in the use of the device, can quickly reach the effect of stabilizing the plug, prevent the plug from falling off, first of all, the mounting plate 1 is connected with the charging pile through the three screw holes on the mounting plate 1, then turn the pull ring 2 upward, leave the space for the charger connection, at this time, the first torsional spring 3 will be deformed under stress, then connect the charger plug with the electric car charging pile, then slide the connecting piece 4 left and right to find the appropriate position, so that the arc structure of the connecting piece 4 and the lower arc structure of the extrusion piece 5 can be synchronized with the plug position, then push the extrusion piece 5 forward, so that the guide rod slides along the adjacent connecting piece 4, at this time, the spring 8 will be squeezed under stress, and the damper 6 will be in compression state, after the alignment operation, release the pull ring 2, under the action of the first torsional spring 3, the pull ring 2 will automatically turn down and reset, so that the plug is located between the connecting piece 4 and the extrusion piece 5, then release the extrusion piece 5, under the action of the spring 8, the extrusion piece 5 will slide back to reset, realize the clamping stability of the plug, at the same time, under the action of the damper 6, the extrusion piece 5 can be buffered to avoid damage to the plug, then pull the connecting line on the electric car plug upward, drive the lower pressing block to rotate upward in cooperation with the second torsional spring 10, at this time, the second torsional spring 10 will be deformed under stress, when the connecting line of the plug enters the arc structure of the connecting piece 4, at this time, the lower clamping block 9 is no longer pushed, under the action of the second torsional spring 10, the lower clamping block 9 will turn down and reset, thereby limiting the connecting line, avoiding the connecting line pulling the plug downward, further improving the stability effect of the charger plug.
[0020] The technical principles of the embodiments of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present application, and cannot be interpreted as limiting the protection scope of the embodiments of the present application in any way. Based on the explanations herein, other specific embodiments of the embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the embodiments of the present application.
Claims
1. A plug anti-detachment device for an electric vehicle charging station, characterized in that: The device includes a mounting plate (1), which has two parts, left and right. The mounting plate (1) is installed above the charging pile's socket. Each mounting plate (1) has a pull ring (2) rotatably connected to its lower front side. Each pull ring (2) has a first torsion spring (3) installed between its left and right sides and the adjacent mounting plate (1). Each pull ring (2) has a connecting piece (4) slidably connected to its middle part. The connecting piece (4) slides left and right along the adjacent pull ring (2). Each connecting piece (4) has a guide piece (7) slidably connected to its front part. Each adjacent guide piece (7) has a pressing piece connected between its rear sides. (5) The lower part of the extrusion part (5) is an arc surface structure. Two dampers (6) are connected between the extrusion part (5) and the adjacent connecting part (4). The dampers (6) are all installed on the adjacent connecting part (4). Two springs (8) are connected between the connecting part (4) and the adjacent extrusion part (5). The springs (8) are all sleeved on the corresponding dampers (6). Two lower clamping blocks (9) are rotatably connected to the connecting part (4). A second torsion spring (10) is connected between the lower clamping block (9) and the adjacent connecting part (4).
2. The plug anti-detachment device for an electric vehicle charging station according to claim 1, characterized in that: The mounting plate (1) has three screw holes, which are used to assist the operator in installing the mounting plate (1) on the charging pile.
3. The plug anti-detachment device for an electric vehicle charging station according to claim 1, characterized in that: The pull ring (2) has a zigzag structure.
4. The plug anti-detachment device for an electric vehicle charging station according to claim 1, characterized in that: The connector (4) has an L-shaped structure.
5. A plug anti-detachment device for an electric vehicle charging station according to claim 1, characterized in that: The front part of the connector (4) is an arched structure.
6. A plug anti-detachment device for an electric vehicle charging station according to claim 1, characterized in that: The extrusion part (5) is provided with an anti-slip pad on the rear side.