Charging pile interface sealing device
By designing a fixed buckle and a detachable buckle structure at the charging pile interface, the problem of loosening and falling off of the sealing ring is solved, achieving better sealing and waterproofing effects and ensuring charging safety.
Patent Information
- Application Number
- CN202422811442.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-19
AI Technical Summary
The existing charging pile interface sealing ring is prone to loosening or falling off when subjected to long-term external force, resulting in sealing failure.
A sealing device for a charging pile interface was designed, which adopts a fixed buckle and a detachable buckle structure. The fixed buckle and the detachable buckle are connected by screws. The sealing ring is squeezed by the cooperation of the inclined surface and the inclined block, so that it is tightly joined with the inner wall of the interface. The serrated structure prevents the power cord from loosening.
The sealing and waterproofing of the charging pile interface have been improved to prevent the sealing ring from loosening and falling off, thus ensuring charging safety.
Smart Images

Figure CN223514306U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sealing device technology, specifically to a sealing device for a charging pile interface. Background Technology
[0002] The rubber sealing ring at the charging pile interface protects critical components of the internal wiring, preventing external corrosion and contamination and ensuring charging safety. Therefore, the use of the sealing ring at the charging pile interface directly affects the lifespan and charging safety of the charging pile.
[0003] For example, Chinese patent CN209267135U discloses a flange-type waterproof connector for charging piles, including a connector body and a locking nut. The connector body is a pipe fitting with an external thread interface at one end and a flange at the other end. A sealing ring groove is provided in the end face of the flange, and an O-ring is embedded in the sealing ring groove. The locking nut is connected to the external thread interface of the connector body through a thread. A circular washer and an annular seal are arranged coaxially inside the locking nut. Four connection holes are provided on the flange, and bolts are provided in the connection holes. The bolts are connected to the welded waterproof nuts inside the charging pile cabinet.
[0004] However, the technology has the following problems: since the sealing ring has no fixing components, it may loosen or even fall off when the circuit is subjected to external force for a long time.
[0005] Based on this, the present invention designs a charging pile interface sealing device to solve the above problems. Utility Model Content
[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a charging pile interface sealing device.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] The upper end of the charging pile housing is fixedly connected to the top cover by bolts. Interfaces are fixedly installed on both the left and right sides of the charging pile housing. The power cord has two interfaces located in the left and right interfaces respectively. A sealing ring is embedded between the interface and the power cord to ensure sealing.
[0009] The charging pile housing has fixed buckles installed on both the left and right sides of the bottom of the housing, and the fixed buckles and the detachable buckles are detachably connected.
[0010] Furthermore, the sealing ring has an I-shaped cross-section, and the outer diameters of both the left and right sides of the sealing ring are larger than the inner diameter of the interface.
[0011] Furthermore, the fixing buckle is located at the lower end of the detachable buckle, and the fixing buckle and the detachable buckle are symmetrically provided with arc-shaped grooves in the middle, and the arc-shaped grooves are in close contact with the power cord.
[0012] Furthermore, a baffle is fixedly installed on the side of the fixing buckle near the interface.
[0013] Furthermore, the baffle is provided in two parts, which are located on the front and rear sides of the fixing buckle respectively.
[0014] Furthermore, protrusions are fixedly installed on both the front and rear sides of the detachable buckle, and the baffle is in contact with the protrusions.
[0015] Furthermore, the lower ends of the protrusions on both the front and rear sides are provided with inclined surfaces, and the upper ends of the protrusions on both the front and rear sides are provided with inclined blocks between them and the detachable buckles. The inclined surfaces and inclined blocks are in contact with the baffle.
[0016] Furthermore, the fixed buckle and the detachable buckle are detachably connected by screws.
[0017] When the detachable buckle is locked onto the fixed buckle with screws, the inclined plane, inclined block and baffle work together to cause the detachable buckle to move laterally and squeeze the sealing ring, so that the sealing ring is tightly joined to the inner wall of the interface, achieving a better waterproof effect.
[0018] Furthermore, threaded holes are provided on both the front and rear sides of the fixed buckle, and blind holes are provided on both the front and rear sides of the detachable buckle to serve as screw fastening holes in conjunction with the threaded holes on the fixed buckle.
[0019] Furthermore, the detachable clip has serrations inside its arc-shaped groove. When the detachable clip is tightened onto the fixed clip with screws, the serrations on the detachable clip press the power cord firmly, preventing the power cord from becoming loose due to user pulling.
[0020] Compared with the prior art, the advantages of this utility model are as follows: When this utility model is in use, the power cord is placed inside the interface, and the sealing ring is embedded between the interface and the power cord to ensure the sealing performance. The fixing buckle and the detachable buckle abut against the sealing ring, further fixing the sealing ring and strengthening the sealing performance at the interface.
[0021] This utility model secures the charging pile interface by using a fixed clip and a detachable clip. Once secured, the fixed clip and detachable clip press the sealing ring against the interface, ensuring the internal sealing of the charging pile interface and enhancing its waterproofness. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a perspective view of a charging pile interface sealing device according to the present invention;
[0024] Figure 2 This is a front view of a charging pile interface sealing device according to the present invention;
[0025] Figure 3 An exploded view showing the hidden top cover of a charging pile interface sealing device according to this utility model;
[0026] Figure 4 A perspective view showing the concealed top cover of this utility model;
[0027] Figure 5 This is a perspective view of the charging pile housing of this utility model;
[0028] Figure 6 This is a perspective view of the detachable buckle of this utility model;
[0029] Figure 7 For along Figure 2 A three-dimensional diagram of AA with a portion removed;
[0030] Figure 8 For along Figure 2 A 3D image of a BB with a portion cut off.
[0031] The labels in the diagram represent:
[0032] 1. Charging pile housing; 2. Top cover; 3. Interface; 4. Power cord; 5. Sealing ring; 6. Fixing buckle; 7. Removable buckle; 8. Baffle; 9. Protrusion; 91. Bevel; 92. Bevel block; 10. Serration; 11. Screw. Detailed Implementation
[0033] 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. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0034] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.
[0035] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-8 A charging pile interface sealing device includes a charging pile housing 1, the upper end of the charging pile housing 1 is fixedly connected to the upper cover 2 by bolts, and interfaces 3 are fixedly installed on both the left and right sides of the charging pile housing 1. The power cord 4 is provided with two interfaces 3 located on the left and right sides respectively. A sealing ring 5 is embedded between the interface 3 and the power cord 4 to ensure sealing. The power cord 1 is connected to the circuit board inside the charging pile housing 1.
[0036] The charging pile housing 1 has fixed buckles 6 installed on both the left and right sides of the bottom inside the housing. The fixed buckles 6 are detachably connected to the detachable buckles 7.
[0037] In use, the power cord 4 is placed inside the interface 3, and the sealing ring 5 is embedded between the interface 3 and the power cord 4 to ensure sealing. The fixing buckle 6 and the detachable buckle 7 are fixed and the sealing ring 5 is pressed against the interface 3 to ensure the sealing of the interface 3 and enhance the waterproofness of the charging pile interface.
[0038] Example 2: In some embodiments, such as Figure 3 and Figure 8 As shown, in a preferred embodiment of the present invention, the sealing ring 5 has an I-shaped cross-section, and the outer diameters of both the left and right sides of the sealing ring 5 are larger than the inner diameter of the interface 3.
[0039] The sealing ring 5 is made of fluororubber, silicone rubber or butyl rubber.
[0040] The sealing ring 5 is embedded between the interface 3 and the power cord 4, ensuring the sealing between the interface 3 and the power cord 4. Since the outer diameter of the sealing ring 5 on both sides is larger than the inner diameter of the interface 3, the interface 3 and the middle side wall of the sealing ring 5 are connected by interference fit.
[0041] Example 3: In some embodiments, such as Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in a preferred embodiment of the present invention, the fixing buckle 6 is located at the lower end of the detachable buckle 7, and the fixing buckle 6 and the detachable buckle 7 are symmetrically provided with arc-shaped grooves in the middle, and the arc-shaped grooves are in close contact with the power cord 4.
[0042] A baffle 8 is fixedly installed on the side of the fixing buckle 6 near the interface 3.
[0043] Two baffles 8 are provided and are located on the front and rear sides of the fixing buckle 6 respectively.
[0044] The detachable buckle 7 has protrusions 9 fixedly installed on both the front and rear sides, and the baffle 8 is in contact with the protrusions 9.
[0045] The lower ends of the protrusions 9 on both the front and rear sides are provided with inclined surfaces 91, and the upper ends of the protrusions 9 on both the front and rear sides are provided with inclined blocks 92 between them and the detachable buckles 7. The inclined surfaces 91 and inclined blocks 92 are in contact with the baffle 8.
[0046] The fixed buckle 6 and the detachable buckle 7 are detachably connected by bolts 11.
[0047] When the detachable buckle 7 is locked onto the fixed buckle 6 by the bolt 11, the inclined surface 91, the inclined block 92 and the baffle 8 cooperate to cause the detachable buckle 7 to move laterally and squeeze the sealing ring 5, so that the sealing ring 5 is tightly joined to the inner wall of the interface 3, achieving a better waterproof effect.
[0048] The fixed buckle 6 has threaded holes on both the front and rear sides, and the detachable buckle 7 has blind holes on both the front and rear sides that cooperate with the threaded holes on the fixed buckle 6 as screw fastening holes for the screw 11.
[0049] The screw 11 is an M3 flathead screw.
[0050] The detachable buckle 7 has serrations 10 inside its arc-shaped groove. When the detachable buckle 7 is locked onto the fixed buckle 6 by screws, the serrations 10 on the detachable buckle 7 press the power cord 4 tightly, preventing the user from pulling on the power cord 4 and causing it to loosen.
[0051] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A sealing device for a charging pile interface, comprising a charging pile housing (1), characterized in that: The upper end of the charging pile housing (1) is fixedly connected to the top cover (2) by bolts. Interfaces (3) are fixedly installed on both the left and right sides of the charging pile housing (1). The power cord (4) is provided with two interfaces (3) located on the left and right sides respectively. A sealing ring (5) is embedded between the interface (3) and the power cord (4) to ensure sealing. The charging pile housing (1) has fixed buckles (6) installed on both the left and right sides of the bottom inside. The fixed buckles (6) are detachably connected to the detachable buckles (7).
2. The charging pile interface sealing device according to claim 1, characterized in that, The sealing ring (5) has an I-shaped cross section, and the outer diameters of the left and right sides of the sealing ring (5) are larger than the inner diameter of the interface (3).
3. The charging pile interface sealing device according to claim 2, characterized in that, The fixed buckle (6) is located at the lower end of the detachable buckle (7). The fixed buckle (6) and the detachable buckle (7) are symmetrically provided with arc-shaped slots in the middle, and the arc-shaped slots are in contact with the power cord (4).
4. The charging pile interface sealing device according to claim 3, characterized in that, The fixing buckle (6) has a baffle (8) fixedly installed on the side near the interface (3).
5. The charging pile interface sealing device according to claim 4, characterized in that, The baffle (8) is provided in two parts and is located on the front and rear sides of the fixing buckle (6).
6. The charging pile interface sealing device according to claim 5, characterized in that, The detachable buckle (7) has protrusions (9) fixedly installed on both the front and rear sides, and the baffle (8) is in contact with the protrusions (9).
7. The charging pile interface sealing device according to claim 6, characterized in that, The lower ends of the front and rear protrusions (9) are provided with inclined surfaces (91), and the upper ends of the front and rear protrusions (9) are provided with inclined blocks (92) between them and the detachable buckle (7). The inclined surfaces (91) and inclined blocks (92) are in contact with the baffle (8).
8. The charging pile interface sealing device according to claim 7, characterized in that, The fixed buckle (6) and the detachable buckle (7) are detachably connected by screws (11).
9. The charging pile interface sealing device according to claim 8, characterized in that, The fixed buckle (6) has threaded holes on both the front and rear sides, and the detachable buckle (7) has blind holes on both the front and rear sides that cooperate with the threaded holes on the fixed buckle (6).
10. The charging pile interface sealing device according to claim 9, characterized in that, The detachable buckle (7) has serrations (10) in its arc-shaped groove.
Citation Information
Patent Citations
Charging pile flange type waterproof joint
CN209267135U