Plug anti-falling device of charging pile
By using an integrated pressure head and buckle support point, spring slot design and U-shaped clamping, the problems of easy detachment of the charging pile plug and easy damage to the structure are solved, and the charging gun is reliably locked and the cable is fixed.
Patent Information
- Application Number
- CN202520218700.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The plugs of existing charging stations are prone to falling off during the charging process, and the existing fixing devices are complex in structure and easily damaged, making it impossible to effectively secure the charging cables.
The charging gun is locked by a combination of an integrated pressure head and a buckle, which together with a spring and a slot design. The charging cable is clamped by a U-shaped anti-detachment clamp and a locking cover.
The simplified structure avoids damage to complex components, effectively prevents the charging gun from falling off and the cable from being accidentally pulled out, and improves the reliability and durability of the device.
Smart Images

Figure CN223898738U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the related technical field of charging pile, specifically a plug anti -drop device of charging pile. BACKGROUND
[0002] With the increasingly popular new energy vehicles, the number of charging piles for charging new energy vehicles is also increasing, and the charging pile charges new energy vehicles through a charging plug. However, there is no fixing device between the plug and the socket during the charging process, which causes the plug to easily fall off.
[0003] The prior art CN108539514B discloses a new energy vehicle charging pile plug fixing device, which comprises a fixed shell, a charging pile charging plug, an axial fixing device, a blocking ring movable connection device and a tension switch. The charging pile charging plug is gap-fitted in the fixed shell, the charging pile charging plug is gap-fitted in the blocking ring movable connection device, the blocking ring movable connection device is fixedly connected in the fixed shell, the blocking ring movable connection device is fixedly connected with the axial fixing device, the axial fixing device is gap-fitted on the charging pile charging plug, and the tension switch is slidingly connected on the fixed shell. The tension switch is fixedly connected on the axial fixing device. The charging plug is fixed during the charging process, which prevents the charging plug from falling off due to various external factors and affects the charging. Meanwhile, the switch is used for unlocking and disengaging.
[0004] Although the prior art realizes the anti-falling of the plug, the axial fixing device is used for fixing, the structure is extremely complex, the complex structure is easy to be damaged, once a part is damaged, the whole fixing device cannot be used, and the prior art cannot fix the charging cable, so that the charging head falls off when the cable is pulled by external force. Therefore, we provide a plug anti-falling device for charging pile. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a plug anti-falling device for charging pile to solve the problems in the prior art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plug anti-falling device for charging pile, which comprises a charging gun, a first anti-falling assembly and a second anti-falling assembly. The first anti-falling assembly is installed on the charging pile to clamp the charging cable, and the second anti-falling assembly is installed on the charging gun. The second anti-falling assembly comprises a pressure head and a buckle, and the pressure head and the buckle are of an integrated structure. The pressure head and the buckle extend to the outside of the charging gun. A support point is installed in the charging gun to support the integrated structure of the pressure head and the buckle. The support point is located below the integrated structure. A spring is installed in the charging gun to press the pressure head. A clamping groove is arranged in the charging gun to cooperate with the buckle.
[0007] Preferably, the first anti-dropping assembly comprises an anti-dropping clamp, a connecting frame and a locking cover, one side of the anti-dropping clamp is provided with the connecting frame, and the connecting frame is installed with the locking cover matched with the anti-dropping clamp.
[0008] Preferably, the anti-dropping clamp is of a U-shaped structure.
[0009] Preferably, the anti-dropping clamp comprises a clamp body, one end of the clamp body is provided with a sliding groove, and the other end of the clamp body is provided with an external thread, and the locking cover is provided with an internal thread matched with the external thread.
[0010] Preferably, both sides of the clamp body are provided with limiting protrusions, and the locking cover located at one end of the clamp body is provided with a plurality of arc-shaped limiting grooves.
[0011] Preferably, two limiting protrusions are arranged on each side of the clamp body, and the limiting protrusions are in the shape of a semicircular sphere.
[0012] Preferably, one side of the clamp body is provided with a mounting ring matched with the connecting frame, and the connecting frame is slidingly installed on the mounting ring.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The charging gun is internally provided with a support point for supporting the integrated structure composed of the pressing head and the buckle, the support point is located below the integrated structure, the charging gun is internally provided with a spring for pressing the pressing head, the charging gun is provided with a clamping groove matched with the buckle, the charging gun can be locked through the cooperation of the buckle and the clamping groove, the charging gun is prevented from falling off, compared with the prior art, the locking and anti-dropping function of the charging gun can be realized through the integrated structure matched with the spring, without complex structure, and the problem of easy damage of the structure is solved.
[0015] The connecting frame is installed with the locking cover matched with the anti-dropping clamp, the anti-dropping clamp is of a U-shaped structure, the charging cable can be clamped through the cooperation of the anti-dropping clamp and the locking cover, and the charging gun is prevented from being pulled out when the cable is accidentally dragged. BRIEF DESCRIPTION OF DRAWINGS
[0016] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:
[0017] Figure 1 It is the structural schematic diagram of the utility model;
[0018] Figure 2 It is the structural schematic diagram of the charging gun of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the first anti-detachment component of this utility model;
[0020] Figure 4 This is a schematic diagram of the anti-detachment clamp of this utility model.
[0021] In the diagram: 1. Charging pile; 2. First anti-detachment component; 3. Charging cable; 4. Charging gun; 21. Anti-detachment clamp; 22. Connecting frame; 23. Locking cover; 211. Clamp body; 212. Slide groove; 213. Mounting ring; 214. External thread; 215. Limiting protrusion; 42. Pressure head; 43. Buckle. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model.
[0023] Please see Figures 1-4 In this embodiment of the present invention, a plug anti-detachment device for a charging pile includes a charging gun 4, a first anti-detachment component 2, and a second anti-detachment component. The first anti-detachment component 2 is installed on the charging pile 1 to clamp the charging cable 3, and the second anti-detachment component is installed on the charging gun 4. The second anti-detachment component includes a pressure head 42 and a buckle 43, which are integral structures. Both the pressure head 42 and the buckle 43 extend to the outside of the charging gun 4. A support point is installed inside the charging gun 4 to support the integral structure composed of the pressure head 42 and the buckle 43. The support point is located below the integral structure. A spring for pressing down the pressure head is installed inside the charging gun 4. A slot that cooperates with the buckle 43 is provided inside the charging gun 4. Through the cooperation of the buckle and the slot, the charging gun 4 can be locked to prevent the charging gun from falling off. Compared with the prior art, this application can achieve the locking and anti-detachment function of the charging gun 4 simply by using an integral structure and a spring, without the need for a complex structure, thus solving the problem of easy damage from numerous structures.
[0024] The first anti-detachment component 2 includes an anti-detachment clamp 21, a connecting frame 22, and a locking cover 23. The connecting frame 22 is provided on one side of the anti-detachment clamp 21, and the locking cover 23 that cooperates with the anti-detachment clamp 21 is installed on the connecting frame 22. The anti-detachment clamp 21 has a U-shaped structure. Through the cooperation of the anti-detachment clamp 21 and the locking cover 23, the charging cable 3 can be clamped to prevent the charging gun from being pulled out when the cable is accidentally dragged.
[0025] The anti-detachment clamp 21 includes a clamp body 211. One end of the clamp body 211 has a sliding groove 212, and the other end of the clamp body 211 has an external thread 214. The locking cover 23 has an internal thread that mates with the external thread 214. Both sides of the clamp body 211 have limiting protrusions 215. The locking cover 23 has multiple arc-shaped limiting grooves at one end of the clamp body 211. Each side of the clamp body 211 has two limiting protrusions 215, which are hemispherical in shape. One side of the clamp body 211 has an installation ring 213 that mates with the connecting frame 22. The connecting frame is slidably mounted on the installation ring 213.
[0026] The working principle of this utility model is as follows: the charging gun 4 can be locked by the cooperation of the buckle and the slot to prevent the charging gun from falling off. Compared with the prior art, this application can achieve the locking and anti-dislodgement function of the charging gun 4 by using only an integrated structure and spring. It does not require a complicated structure and solves the problem of easy damage of many structures. The charging cable 3 can be clamped by the cooperation of the anti-dislodgement clamp 21 and the locking cover 23 to prevent the charging gun from being pulled out when the cable is accidentally dragged.
[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A plug anti-detachment device for a charging station, characterized in that: The device includes a charging gun (4), a first anti-detachment component (2), and a second anti-detachment component. The first anti-detachment component (2) is installed on the charging pile (1) to clamp the charging cable (3). The second anti-detachment component is installed on the charging gun (4). The second anti-detachment component includes a pressure head (42) and a buckle (43). The pressure head (42) and the buckle (43) are an integral structure. The pressure head (42) and the buckle (43) both extend to the outside of the charging gun (4). The charging gun (4) is equipped with a support point that supports the integral structure composed of the pressure head (42) and the buckle (43). The support point is located below the integral structure. The charging gun (4) is equipped with a spring that presses down the pressure head. The charging gun (4) is provided with a slot that cooperates with the buckle (43).
2. The plug anti-detachment device for a charging pile (1) according to claim 1, characterized in that: The first anti-detachment component (2) includes an anti-detachment clamp (21), a connecting frame (22) and a locking cover (23). The anti-detachment clamp (21) has a connecting frame (22) on one side, and the connecting frame (22) is equipped with a locking cover (23) that cooperates with the anti-detachment clamp (21).
3. The plug anti-detachment device for a charging pile (1) according to claim 2, characterized in that: The anti-detachment clamp (21) has a U-shaped structure.
4. A plug anti-detachment device for a charging pile (1) according to claim 2 or 3, characterized in that: The anti-detachment clamp (21) includes a clamp body (211), one end of which is provided with a sliding groove (212), and the other end of which is provided with an external thread (214). The locking cover (23) is provided with an internal thread that mates with the external thread (214).
5. The plug anti-detachment device for a charging pile (1) according to claim 4, characterized in that: The clamp body (211) is provided with limit protrusions (215) on both sides, and the locking cover (23) is provided with multiple arc-shaped limit grooves at one end of the clamp body (211).
6. The plug anti-detachment device for a charging pile (1) according to claim 5, characterized in that: Each side of the fixture body (211) is provided with two limiting protrusions (215), and the limiting protrusions (215) are hemispherical in shape.
7. The plug anti-detachment device for a charging pile according to claim 4, characterized in that: The fixture body (211) has a mounting ring (213) on one side that cooperates with the connecting frame (22), and the connecting frame is slidably mounted on the mounting ring (213).
Citation Information
Patent Citations
A new energy vehicle charging pile plug fixing device
CN108539514B