Waterproof sealing charging port assembly of new energy automobile
By adopting a double-layer airbag structure and water-guiding components in the charging port of new energy vehicles, the problem of poor sealing effect of rubber pads is solved, achieving good sealing and moisture barrier on uneven surfaces, and improving the waterproof performance of the charging port.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-03-27
AI Technical Summary
During the plugging and unplugging process, the rubber pads of new energy vehicle charging ports have limited elasticity and adaptability, making it difficult to effectively seal uneven surfaces, resulting in poor sealing performance.
It adopts a double-layer airbag structure, including a pressure-bearing annular airbag and a sealing annular airbag. When the charging gun is inserted, the pressure-bearing annular airbag is squeezed to fill the sealing annular airbag with gas. The sealing annular airbag expands and fits against the surface of the charging gun. Combined with the water guiding component and drainage structure, the sealing effect is improved.
Even with an uneven surface on the charging port, it achieves a good seal, preventing moisture from entering the charging port, avoiding moisture accumulation, and improving the waterproof performance of the charging port.
Smart Images

Figure CN224053502U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile charging port technical field especially relates to new energy automobile waterproof sealing charging port assembly. BACKGROUND
[0002] New energy automobile refers to the new type of power system, completely or mainly rely on new energy drive automobile, has the characteristics such as energy saving, environmental protection. New energy automobile charging port is the interface of vehicle and external power supply, is used to charge the power battery of new energy automobile.
[0003] Charging port inside usually installs rubber sealing ring, when charging port cover is closed and charging gun is inserted, rubber sealing ring can be closely matched with cover, charging gun respectively, forms effective sealing, prevents moisture from infiltrating.
[0004] New energy automobile in daily use, charging port often plugs charging gun, the process of plugging charging gun exists improper plugging operation, causes the uneven of charging port to be scratched and collided, the elasticity and adaptability of rubber pad are relatively limited, and the uneven surface can not be sealed well. SUMMARY
[0005] The utility model discloses to solve the problem of the poor sealing effect of the rubber pad on the uneven charging port in the background art, and provide a new energy automobile waterproof sealing charging port assembly.
[0006] The technical scheme of the utility model discloses new energy automobile waterproof sealing charging port assembly, including the charging port mounting plate, the middle part of charging port mounting plate is fixedly installed with the charging interface hole of docking charging gun;
[0007] The sealing assembly includes a first sleeve, one end of the first sleeve is fixedly connected with a second sleeve, the first sleeve and the second sleeve are coaxially arranged, and the inner diameter of the second sleeve is greater than that of the first sleeve, a pressure ring-shaped air bag is fixedly installed on the inner wall of the first sleeve along the circumferential direction, a sealing ring-shaped air bag is fixedly installed on the inner wall of the second sleeve along the circumferential direction, and the pressure ring-shaped air bag and the sealing ring-shaped air bag are in communication with each other.
[0008] The end of the first sleeve is fixedly connected with the charging port mounting plate, the pressure ring-shaped air bag can be in contact with the charging plug part of the charging gun, and the sealing ring-shaped air bag on the inner wall of the second sleeve can be in contact with the main body of the charging gun.
[0009] Optionally, the diameter of the pressure ring-shaped air bag is smaller than that of the sealing ring-shaped air bag, and the cross-sectional area of the pressure ring-shaped air bag is larger than that of the sealing ring-shaped air bag.
[0010] Optionally, a connecting pipe is arranged at the joint between the first sleeve and the second sleeve, and the connecting pipe is in communication with the compressed annular air bag and the sealing annular air bag.
[0011] Optionally, the compressed annular air bag protrudes from the inner wall of the first sleeve, the inner arc surface of the sealing annular air bag is flush with the inner arc surface of the second sleeve, and the first sleeve and the second sleeve have a stepped structure.
[0012] Optionally, four connecting pipes are arranged on the inner wall of the first sleeve and are arranged at equal angles.
[0013] Optionally, the inner wall of the second sleeve is provided with a water guide assembly, the water guide assembly comprises a drainage opening and a temporary storage water tank, the temporary storage water tank is arranged on the inner wall of the second sleeve, the lowest part of the temporary storage water tank is provided with the drainage opening, and the bottom end of the drainage opening extends to the outside of the second sleeve.
[0014] Optionally, the surfaces of the sealing annular air bag and the temporary storage water tank are coated with a waterproof coating, and the water entering the temporary storage water tank flows along the temporary storage water tank to the drainage opening.
[0015] Optionally, the outer arc surface of the second sleeve is hingedly connected with a sealing cover, and the side of the sealing cover is fixedly provided with a rubber sealing plug.
[0016] Compared with the prior art, the utility model has the beneficial technical effects that:
[0017] 1. After the charging gun is inserted into the first sleeve, the compressed annular air bag is compressed and fills the gas into the sealing annular air bag to make it expand, the expansion of the sealing annular air bag is used to adhere to the main part of the charging gun, and the sealing annular air bag can be more closely adhered to the surface of the sealed object, so that good sealing effect can be achieved even if there is a certain unevenness on the surface of the object.
[0018] 2. In the utility model, the sealing annular air bag has good adaptive effect, can adhere to charging guns of different shapes, improves the adaptive capacity, the sealing annular air bag expands and is extruded with the charging gun, the gap is reduced, and at the same time, the extrusion force exists between the compressed annular air bag and the charging gun to reduce the gap between the compressed annular air bag and the charging gun.
[0019] 3. The utility model blocks the water from entering the temporary storage water tank through the sealing annular air bag, the blocked water enters the temporary storage water tank and is discharged from the drainage opening, water is avoided from being accumulated in the sealing annular air bag for a long time and seeping into the first sleeve, and the sealing effect is further improved.
[0020] 4. The utility model discloses a sealing annular air bag is set in the charging gun main part, and the water is separated in the position far from the charging interface, and there is space between the annular air bag and the sealing annular air bag, and the water is hindered to infiltrate. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 Give the overall structure schematic diagram of the utility model;
[0022] Figure 2 Give the first sleeve structure sectional view schematic diagram of the utility model;
[0023] Figure 3 For Figure 2 The A part drain outlet structure enlarged schematic diagram is given;
[0024] Figure 4 It is the temporary storage water tank structure schematic diagram.
[0025] Reference signs: 1, charging port mounting plate;2, sealing assembly;21, first sleeve;22, second sleeve;23, pressure ring-shaped air bag;24, butt joint pipe;25, sealing annular air bag;3, charging interface hole;4, sealing cover;5, water guide assembly;51, temporary storage water tank;52, drain outlet;53, waterproof coating. DETAILED DESCRIPTION
[0026] The embodiments described below by reference to the drawings are exemplary only, and are intended to explain the present application, and cannot be explained as the limitation of the present application.
[0027] Example 1
[0028] The embodiment proposes a new energy automobile waterproof sealing charging port assembly, as shown in the figure, including charging port mounting plate 1, the middle part of charging port mounting plate 1 is fixedly installed with the charging interface hole 3 of butt joint charging gun; Figure 1
[0029] As shown in Figure 2 And Figure 4 The side of charging port mounting plate 1 is provided with sealing assembly 2, sealing assembly 2 includes first sleeve 21, one end of first sleeve 21 is fixedly connected with charging port mounting plate 1, the other end of first sleeve 21 is fixedly installed with second sleeve 22, charging interface hole 3 is located at the center of first sleeve 21, and charging gun is inserted into first sleeve 21.The position of charging gun is fixed through first sleeve 21, so that charging gun is stably connected with charging interface hole 3.
[0030] As shown in Figure 4 As shown, the inner wall of the first sleeve 21 is fixedly installed with a compressed annular air bag 23 in the circumferential direction, the inner wall of the second sleeve 22 is fixedly installed with a sealing annular air bag 25 in the circumferential direction, a butt joint pipe 24 is arranged at the joint between the first sleeve 21 and the second sleeve 22, the two ends of the butt joint pipe 24 are communicated with the compressed annular air bag 23 and the sealing annular air bag 25 respectively, when the charging gun is inserted into the first sleeve 21, the compressed annular air bag 23 is in partial contact with the charging plug of the charging gun, the partial contact means that the compressed annular air bag 23 is in contact with the charging plug of the charging gun along the circumferential direction of the charging plug, and the inner arc surface of the sealing annular air bag 25 in the second sleeve 22 is in contact with the main body of the charging gun. Initially, the compressed annular air bag 23 protrudes from the inner wall of the first sleeve 21, the inner arc surface of the sealing annular air bag 25 is flush with the inner arc surface of the second sleeve 22, and the first sleeve 21 and the second sleeve 22 have a stepped structure.
[0031] After the charging part of the charging gun is inserted into the first sleeve 21, the charging gun extrudes the compressed annular air bag 23, so that the gas in the compressed annular air bag 23 enters the sealing annular air bag 25, the sealing annular air bag 25 contacts the main body of the charging gun, the sealing annular air bag 25 has a deformation capacity, can adapt to charging guns of different shapes, and blocks external water from entering the first sleeve 21, and the extrusion force between the compressed annular air bag 23 and the charging gun is used to reduce the gap between the compressed annular air bag 23 and the charging gun, so as to realize double-layer sealing.
[0032] When the charging gun is pulled out, since the sealing annular air bag 25 has a certain deformation amount, the charging gun can displace a distance in the first sleeve 21, and the displacement amount is sufficient for the charging gun to move to the position between the compressed annular air bag 23 and the sealing annular air bag 25, at this time, the compressed annular air bag 23 is no longer extruded, the gas in the sealing annular air bag 25 flows back to the compressed annular air bag 23, the volume of the sealing annular air bag 25 is reduced and no longer contacts the charging gun, thereby limiting the movement of the charging gun.
[0033] The diameter of the compressed annular air bag 23 is smaller than that of the sealing annular air bag 25, and the cross-sectional area of the compressed annular air bag 23 is larger than that of the sealing annular air bag 25, and the gas in the compressed annular air bag 23 is filled into the sealing annular air bag 25 from the butt joint pipe 24.
[0034] The outer arc surface of the second sleeve 22 is hingedly connected with a sealing cover 4, and the side of the sealing cover 4 is fixedly installed with a rubber sealing plug.
[0035] In this embodiment, after the charging gun is inserted into the first sleeve 21, the compressed annular air bag 23 is extruded and fills the gas into the sealed annular air bag 25 to make it expand, and the expansion of the sealed annular air bag 25 wraps the main body part of the charging gun, and the sealed annular air bag 25 has a good fitting effect and can fit different shapes of charging guns, and there is extrusion force between the compressed annular air bag 23 and the charging gun to reduce the gap between the compressed annular air bag 23 and the charging gun, thereby realizing double-layer sealing and improving the sealing effect of the charging port to prevent water from entering the charging gun. The sealed annular air bag 25 can be more closely attached to the surface of the sealed object, and even in the case of a certain unevenness on the surface of the charging port, a good sealing effect can be achieved.
[0036] Embodiment 2
[0037] Based on the basis of Embodiment 1, this embodiment proposes a waterproof sealed charging port assembly for new energy vehicles, as shown in Figure 3 and Figure 4 The inner wall of the second sleeve 22 is provided with a water guide assembly 5, which includes a drainage port 52 and a temporary storage groove 51. The inner wall of the second sleeve 22 is provided with the temporary storage groove 51, the lowest part of the temporary storage groove 51 is provided with the drainage port 52, and the bottom end of the drainage port 52 extends to the outside of the second sleeve 22.
[0038] The water blocked by the sealed annular air bag 25 will enter the temporary storage groove 51 and flow along the temporary storage groove 51 to the drainage port 52 and be discharged, avoiding the water blocked by the sealed annular air bag 25 from being in contact with the sealed annular air bag 25 for a long time and seeping into the first sleeve 21.
[0039] The surfaces of the sealed annular air bag 25 and the temporary storage groove 51 are coated with a waterproof coating 53, and the water entering the temporary storage groove 51 flows along the temporary storage groove 51 to the drainage port 52. To avoid water droplets hanging on the temporary storage groove 51 and the drainage port 52, so that the water is discharged from the temporary storage groove 51.
[0040] In this embodiment, the water is blocked by the sealed annular air bag 25 from entering the temporary storage groove 51, and the blocked water enters the temporary storage groove 51 and is discharged from the drainage port 52, avoiding the water from accumulating in the sealed annular air bag 25 for a long time and seeping into the first sleeve 21, thereby further improving the sealing effect.
[0041] The basic principles of the present application are described above in conjunction with specific embodiments, but it should be noted that the advantages, advantages, effects and the like mentioned in the present application are only examples and not limitations, and these advantages, advantages, effects and the like cannot be considered as the must-have of each embodiment of the present application. In addition, the above specific details are only for the purpose of example and for the purpose of understanding, and are not limited to the above specific details to realize the present application.
[0042] The block diagrams of devices, apparatuses, devices, and systems involved in this invention are merely illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. As those skilled in the art will recognize, these devices, apparatuses, devices, and systems can be connected, arranged, and configured in any manner. Words such as “comprising,” “including,” “having,” etc., are open-ended terms meaning “including but not limited to,” and are used interchangeably with them. The terms “or” and “and” as used herein refer to the terms “and / or,” and are used interchangeably with them unless the context clearly indicates otherwise. The term “such as” as used herein refers to the phrase “such as but not limited to,” and is used interchangeably with it.
[0043] Additionally, as used herein, the “or” used in a list of items beginning with “at least one” indicates a separate list, such that a list of, for example, “at least one of A, B, or C” means A or B or C, or AB or AC or BC, or ABC (i.e., A and B and C). Furthermore, the word “exemplary” does not imply that the described example is preferred or better than other examples.
[0044] It should also be noted that in the system and method of the present invention, the components or steps can be decomposed and / or recombined. These decompositions and / or recombinations should be considered as equivalent solutions of the present invention.
[0045] Various changes, substitutions, and modifications can be made to the technology described herein without departing from the teachings defined by the appended claims. Furthermore, the scope of the claims is not limited to the specific aspects of the processes, machines, manufacturing processes, events, means, methods, and actions described above. Currently existing or later-developed processes, machines, manufacturing processes, events, means, methods, or actions that perform substantially the same function or achieve substantially the same result as the corresponding aspects described herein can be utilized. Therefore, the appended claims include such processes, machines, manufacturing processes, events, means, methods, or actions within their scope.
[0046] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the invention. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other aspects without departing from the scope of the invention. Therefore, the invention is not intended to be limited to the aspects shown herein, but rather to be carried out within the widest scope consistent with the principles and novel features disclosed herein.
[0047] The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the application to the forms disclosed herein. Although the example aspects and embodiments have been discussed, one skilled in the art will recognize certain variations, modifications, changes, additions, and sub-combinations thereof.
Claims
1. A waterproof sealed charging port assembly for a new energy vehicle, characterized in that, The utility model relates to a charging port mounting plate (1) is fixedly installed with the charging interface hole (3) of the docking charging gun in the middle part, and a sealing assembly (2) is arranged on the charging port mounting plate (1). The utility model discloses a sealing assembly (2) is fixedly connected with the first sleeve (21) one end of the second sleeve (22), and the first sleeve (21) and second sleeve (22) coaxial arrangement, and the inside diameter of second sleeve (22) is greater than the inside diameter of first sleeve (21), and the inner wall of first sleeve (21) is fixedly installed with the pressure ring air bag (23) along the lateral direction, and the inner wall of second sleeve (22) is fixedly installed with the sealing ring air bag (25) along the lateral direction, and the pressure ring air bag (23) and sealing ring air bag (25) intercommunication. The other end of first sleeve (21) is fixedly connected with charging port mounting plate (1), and the pressure ring air bag (23) can be contacted with the charging plug part of charging gun, and the sealing ring air bag (25) of second sleeve (22) inner wall can be contacted with the main body of charging gun. The diameter of pressure ring air bag (23) is less than the diameter of sealing ring air bag (25), and the cross-sectional area of pressure ring air bag (23) is greater than the cross-sectional area of sealing ring air bag (25).
2. The waterproof sealed charging port assembly of new energy vehicle according to claim 1, characterized in that: The connecting place between first sleeve (21) and second sleeve (22) is provided with the butt joint pipe (24), and the both ends of butt joint pipe (24) are communicated with pressure ring air bag (23) and sealing ring air bag (25) respectively. 3.The waterproof sealed charging port assembly of a new energy vehicle according to claim 1, characterized in that: The pressure ring air bag (23) protrudes from the inner wall of first sleeve (21), and the inner arc surface of sealing ring air bag (25) is flush with the inner arc surface of second sleeve (22), and first sleeve (21) and second sleeve (22) are in the stepped structure.
4. The waterproof sealed charging port assembly of new energy vehicle according to claim 1, characterized in that: The butt joint pipe (24) is provided with four, and the inner wall of first sleeve (21) is arranged in the annular equiangular.
5. The waterproof sealed charging port assembly of new energy vehicle according to claim 3, characterized in that: The inner wall of second sleeve (22) is provided with water guide assembly (5), and the water guide assembly (5) includes drain port (52) and temporary storage water tank (51), and the inner wall of second sleeve (22) is provided with temporary storage water tank (51), and the lowest part of temporary storage water tank (51) is provided with drain port (52), and the bottom end of drain port (52) extends to the outside of second sleeve (22). 6.The waterproof sealed charging port assembly of a new energy vehicle according to claim 1, characterized in that: The surface of sealing ring air bag (25) and temporary storage water tank (51) is coated with waterproof coating (53), and the water in temporary storage water tank (51) flows to drain port (52) along temporary storage water tank (51). 7.The waterproof sealed charging port assembly of a new energy vehicle according to claim 6, characterized in that: The outer arc surface of second sleeve (22) is hinged with sealing cover (4), and the side of sealing cover (4) is fixedly installed with rubber sealing plug. 8.The waterproof sealed charging port assembly of a new energy vehicle of claim 1, characterized in that: