Sealing structure for charging port cover assembly and charging seat of automobile

By designing the sealing fit between soft glue cap and sealing sleeve on the vehicle charging port cover assembly and charging base, and setting up multiple sealing structures around the hinge, the problem of lack of sealing in the existing fuel cover opening and closing structure is solved, and the further development is achieved High sealing and waterproof and dustproof performance.

CN222473929UActive Publication Date: 2025-02-14NINGBO HUADE AUTOMOBILE PARTS
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Patent Information

Application Number
CN202420333466.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-23
Publication Date
2025-02-14
Estimated Expiration
2034-02-23

AI Technical Summary

Technical Problem

The existing fuel-filled cap opening and closing structure lacks a sealing structure, which leads to gaps between the cover and the box, causing oil leakage, dust and water vapor to enter the fuel tank and damage the engine.

Method used

Design a sealing structure between a car charging port cover assembly and a charging base, including a sealing sleeve for setting a charging port on the charging base, and a soft glue cap is provided on the door cover assembly. When the door cover assembly is closed, the soft glue cap and seal are provided. The sleeve is sealed and the first soft rubber ring and the second skirt seal are provided around the hinge to realize multiple seals.

Benefits of technology

It effectively improves the sealing of the charging port, prevents water or dust inlet, enhances waterproof and dustproof performance, and significantly improves the sealing property.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sealing structure for a charging port cover assembly and a charging seat of an automobile, which comprises a charging base provided with a charging port, a door cover component is hinged on the charging base, the door cover component is provided with a flexible rubber cap corresponding to the charging port, the charging base is provided with a sealing sleeve at the charging port, and when the door cover component is in a closed state relative to the charging base, the flexible rubber cap is sealed by the sealing sleeve. And the soft rubber cap is in sealing fit with the sealing sleeve. The utility model has the following advantages and effects: the scheme utilizes a new mechanical structure, and has the effect of improving the sealing performance of the door cover assembly in a closed state.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, and in particular to a sealing structure of an automobile charging port cover assembly and a charging seat. Background Art

[0002] The existing Chinese patent with announcement number CN208376518U discloses a fuel cap opening and closing structure, including a box body and a cover body, the cover body is rotatably mounted on the box body through a rotating shaft, a speed regulating assembly is mounted on the box body, the speed regulating assembly includes a spring and a speed regulating member connected to the rotating shaft, one end of the spring is fixedly connected to the box body, the other end of the spring is connected to the rotating shaft, and the rotation of the rotating shaft drives the end of the spring connected to the rotating shaft to rotate, and an actuator is also mounted on the box body; the speed regulating member includes a speed regulating gear and a damper, the speed regulating gear is fixedly mounted on the rotating shaft and rotates synchronously with the rotating shaft, and the resistance output end of the damper is connected to a damping gear for meshing with the speed regulating gear.

[0003] However, the above-mentioned fuel tank cap opening and closing structure has the following disadvantages: there is a lack of sealing structure between the cover body and the box body of the fuel tank cap opening and closing structure, which leads to a gap between the cover body and the box body, resulting in insufficient sealing between the two, and oil leakage is prone to occur. In addition, external dust and water vapor can easily enter the fuel tank through the gap between the two, causing engine damage, which needs to be improved urgently. Utility Model Content

[0004] The purpose of the utility model is to provide a sealing structure of a car charging port cover assembly and a charging seat, which has the effect of improving the sealing performance of the utility model.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a sealing structure of a car charging port cover assembly and a charging seat, including a charging base with a charging port, a door cover assembly hinged on the charging base, the door cover assembly is provided with a soft rubber cap corresponding to the charging port, and the charging base is provided with a sealing sleeve at the charging port, and when the door cover assembly is in a closed state relative to the charging base, the soft rubber cap and the sealing sleeve are sealed together.

[0006] By adopting the above technical solution, when the door cover assembly is in a closed state relative to the charging base, the door cover assembly presses the soft rubber cap around the charging port of the charging base, causing the soft rubber cap to deform and press and fit tightly with the end face of the sealing sleeve at the charging port, thereby improving the airtightness of the charging port when the door cover assembly is in a closed state, avoiding the situation where a gap is generated between the door cover assembly and the charging base and causing water or dust to enter the charging port, thereby improving the waterproof and dustproof performance of the utility model and having the effect of improving the sealing performance of the utility model.

[0007] The utility model is further configured as follows: the soft rubber cap includes a fixing portion and a first skirt sealing portion, the first skirt sealing portion is integrally arranged around the fixing portion, and the first skirt sealing portion is flared from one end close to the door cover assembly toward one end away from the door cover assembly.

[0008] By adopting the above technical solution, when the door cover assembly moves toward a closed state relative to the charging base, the door cover assembly presses the first skirt sealing portion of the soft rubber cap onto the charging base, so that the flared first skirt sealing portion is deformed and fits tightly with the end face of the sealing sleeve at the charging port, thereby achieving sealing of the charging port.

[0009] The utility model is further configured as follows: an anti-dropout structure is provided between the soft rubber cap and the door cover assembly, and the soft rubber cap cooperates with the door cover assembly in an anti-dropout manner through the anti-dropout structure.

[0010] By adopting the above technical solution, the anti-drop structure can improve the connection firmness between the soft rubber cap and the door cover assembly.

[0011] The utility model is further configured as follows: the anti-slip structure includes an anti-slip portion and a connecting rib, the connecting rib is integrally formed on the soft rubber cap, the door cover assembly is provided with a plurality of injection channels for forming the connecting rib, the injection channels are provided on the door cover assembly to form a plurality of the anti-slip portions, and the connecting rib cooperates with the anti-slip portion to prevent slipping.

[0012] By adopting the above technical solution, the connecting ribs of the soft rubber cap can be injection molded in the injection channel during production, and at the same time, the two ends of the connecting ribs are connected to the soft rubber cap. The positioning effect of the connecting ribs and the anti-detachment part is utilized to prevent the soft rubber cap and the door cover assembly from detaching from each other, thereby improving the connection firmness of the soft rubber cap and the door cover assembly.

[0013] The utility model is further configured as follows: the door cover assembly comprises a hinge and a protective cover, the soft rubber cap is fixedly arranged on the hinge, and the protective cover is fixedly connected to the hinge.

[0014] By adopting the above technical solution, the protective cover can have a decorative effect on the hinge, thereby improving the aesthetics of the utility model. At the same time, the protective cover can also protect the hinge, thereby extending the service life of the utility model.

[0015] The utility model is further configured as follows: the protective cover is provided with a plurality of snap-fitting blocks, the hinge is provided with a plurality of snap-fitting matching parts, the snap-fitting matching parts are provided with a plurality of slots corresponding to the snap-fitting blocks, and the snap-fitting blocks are snap-fitted with the corresponding slots.

[0016] By adopting the above technical solution, the protective cover can be detachably connected to the hinge, so that the protective cover can be easily installed or removed and replaced.

[0017] The utility model is further configured as follows: a first soft rubber ring is integrally provided around the hinge, and the hinge is sealed with the charging base through the first soft rubber ring.

[0018] By adopting the above technical solution, when the door cover assembly is in a closed state relative to the charging base, the first soft rubber ring and the charging base are pressed against each other to achieve sealing, and the first soft rubber ring is used to seal the hinge around, further improving the waterproof and dustproof performance of the utility model.

[0019] The utility model is further configured as follows: the first soft rubber ring includes a second skirt sealing portion arranged around its periphery, and when the door cover assembly is in a closed state relative to the charging base, the second skirt sealing portion is squeezed and fitted with the charging base, so that the second skirt sealing portion is stretched outward and sealed with the charging base.

[0020] By adopting the above technical solution, the second skirt sealing portion has a strong deformation ability, and the extrusion deformation of the second skirt sealing portion is utilized to perform compression sealing with the charging base.

[0021] The utility model is further configured as follows: the charging base is provided with a second soft rubber ring corresponding to the protective cover, and the charging base is sealed and matched with the protective cover through the second soft rubber ring.

[0022] By adopting the above technical solution and adding the second soft rubber ring, when the door cover assembly is in the closed state, the second soft rubber ring can block the gap between the charging base and the periphery of the protective cover, thereby improving the sealing performance of the utility model.

[0023] The utility model is further configured as follows: the second soft rubber ring is integrally formed with a sealing ring, the charging base is provided with an actuator for locking the door cover assembly, the charging base is provided with a mounting hole for mounting the actuator, and the actuator is sealed and matched with the mounting hole through the sealing ring.

[0024] By adopting the above technical solution, the sealing ring and the second soft rubber ring are arranged integrally, which can improve the installation stability of the sealing ring. Different from the way in which the sealing ring and the second soft rubber ring are arranged separately, it can effectively prevent the sealing ring of the utility model from falling off due to loosening. In addition, the sealing ring can effectively improve the installation firmness of the actuator in the mounting hole, and at the same time effectively prevent external water vapor from entering the mounting hole and accumulating water, causing short circuit damage to the actuator.

[0025] In summary, the utility model has the following beneficial effects:

[0026] A soft rubber cap is provided on the door cover assembly corresponding to the charging port of the charging base, and a sealing sleeve is provided at the charging port of the charging base. When the door cover assembly is in a closed state relative to the charging base, a first skirt sealing portion with a flared mouth around the soft rubber cap will be deformed and fit tightly with the end face of the sealing sleeve to achieve sealing of the charging port. In addition, a first soft rubber ring is provided around the hinge of the door cover assembly, so that the hinge is sealed with the charging base through the first soft rubber ring. At the same time, a second skirt sealing portion is provided around the first soft rubber ring. When the door cover assembly is in a closed state relative to the charging base, the second skirt sealing portion is squeezed and fitted with the charging base, so that the second skirt sealing portion is stretched outward and sealed with the charging base. Through the above-mentioned multiple sealing effects, the sealing performance of the utility model when the door cover assembly is in a closed state is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural diagram of the utility model, and the door cover assembly is in a closed state relative to the charging base.

[0028] Figure 2 It is a structural diagram of the door cover assembly of the utility model.

[0029] Figure 3 This utility model Figure 2 Cross-sectional view of section AA.

[0030] Figure 4 It is an exploded view of the door cover assembly of the utility model.

[0031] Figure 5 It is an exploded view of the door cover assembly of the utility model from another perspective.

[0032] Figure 6 It is an exploded view of the charging base of the utility model.

[0033] Figure 7 It is a structural diagram of the utility model, and the door cover assembly is in an open state relative to the charging base.

[0034] In the figure: 1. Charging base; 1a. Charging port; 1b. Mounting hole; 10. Sealing sleeve; 11. Second soft rubber ring; 111. Sealing ring; 12. Actuator; 121. Lock pin; 13. Control button; 2. Door cover assembly; 21. Hinge; 21a. Injection channel; 211. Anti-slip portion; 212. Snap-fit ​​portion; 212a. Slot; 213. First soft rubber ring; 2131. Second skirt sealing portion; 22. Protective cover; 221. Snap-fit ​​block; 3. Soft rubber cap; 31. Fixing portion; 32. First skirt sealing portion; 33. Connecting rib; 4. Rotating shaft; 41. Torsion spring; 5. Speed ​​regulating gear; 6. Damper. DETAILED DESCRIPTION

[0035] The utility model is further described below in conjunction with the accompanying drawings.

[0036] A sealing structure for a car charging port cover assembly and a charging seat, such as Figure 1-3 and Figure 6 As shown, it includes a charging base 1 with a charging port 1a, a door cover assembly 2 is hinged on the charging base 1, and the door cover assembly 2 is provided with a soft rubber cap 3 corresponding to the charging port 1a. The charging base 1 is provided with a sealing sleeve 10 at the charging port 1a, and the sealing sleeve 10 is used to seal the charging connector in the charging port 1a. The door cover assembly 2 includes a hinge 21 and a protective cover 22. The protective cover 22 is provided with a plurality of clamping blocks 221, and the hinge 21 is provided with a plurality of clamping matching parts 212. The clamping matching parts 212 are provided with a plurality of clamping grooves 212a corresponding to the clamping block 221, and the clamping block 221 and the corresponding The card slot 212a is snap-fitted so that the protective cover 22 can be detachably connected to the hinge 21, which is convenient for installing or removing and replacing the protective cover 22; the soft rubber cap 3 is fixedly arranged on the hinge 21, and the protective cover 22 is fixedly connected to the hinge 21. The protective cover 22 can have a decorative effect on the hinge 21, thereby improving the aesthetics of the utility model. At the same time, the protective cover 22 can also protect the hinge 21, thereby extending the service life of the utility model; when the door cover assembly 2 is in a closed state relative to the charging base 1, the soft rubber cap 3 is sealed with the sealing sleeve 10.

[0037] like Figure 2-5As shown, the soft rubber cap 3 includes a fixing portion 31 and a first skirt sealing portion 32. The first skirt sealing portion 32 is integrally arranged around the fixing portion 31, and the first skirt sealing portion 32 is arranged in a flared shape from one end close to the door cover assembly 2 to one end away from the door cover assembly 2. When the door cover assembly 2 moves toward a closed state relative to the charging base 1, the door cover assembly 2 presses the first skirt sealing portion 32 of the soft rubber cap 3 onto the charging base 1, so that the flared first skirt sealing portion 32 is deformed and closely fits with the end surface of the sealing sleeve 10 at the charging port 1a, thereby achieving sealing of the charging port 1a. An anti-slip structure is provided between the soft rubber cap 3 and the door cover assembly 2, and the soft rubber cap 3 cooperates with the door cover assembly 2 through the anti-slip structure, and the anti-slip structure can improve the connection firmness between the soft rubber cap 3 and the door cover assembly 2; the anti-slip structure includes an anti-slip portion 211 and a connecting rib 33, and the connecting rib 33 is integrally formed on the soft rubber cap 3, and the door cover assembly 2 is provided with a plurality of injection molding channels 21a for molding the connecting rib 33, and the injection molding channels 21a are provided on the door cover assembly 2 to form a plurality of anti-slip portions 211, and the connecting rib 33 cooperates with the anti-slip portion 211 to prevent slipping, so that the connection of the soft rubber cap 3 can be The connecting rib 33 is formed in the injection channel 21a by injection molding, and at the same time, the two ends of the connecting rib 33 are connected to the soft rubber cap 3. The positioning effect of the connecting rib 33 and the anti-detachment part 211 is utilized to prevent the soft rubber cap 3 and the door cover assembly 2 from being separated from each other, thereby improving the connection firmness between the soft rubber cap 3 and the door cover assembly 2. A first soft rubber ring 213 is integrally provided around the hinge 21, and the hinge 21 is sealed with the charging base 1 through the first soft rubber ring 213. When the door cover assembly 2 is in a closed state relative to the charging base 1, the first soft rubber ring 213 and the charging base 1 are pressed against each other to achieve sealing. A soft rubber ring 213 seals the hinge 21 around four sides, further improving the waterproof and dustproof performance of the utility model; the first soft rubber ring 213 includes a second skirt sealing portion 2131 arranged around its periphery. When the door cover assembly 2 is in a closed state relative to the charging base 1, the second skirt sealing portion 2131 is squeezed and matched with the charging base 1, so that the second skirt sealing portion 2131 is stretched outward and sealed with the charging base 1. The second skirt sealing portion 2131 has a strong deformation ability, and the extrusion deformation of the second skirt sealing portion 2131 is used to perform compression and sealing with the charging base 1.

[0038] like Figure 1 and Figure 6-7As shown, the charging base 1 is provided with a second soft rubber ring 11 corresponding to the protective cover 22, and the charging base 1 is sealed with the protective cover 22 through the second soft rubber ring 11. The second soft rubber ring 11 is added so that when the door cover assembly 2 is in the closed state, the second soft rubber ring 11 blocks the gap between the charging base 1 and the periphery of the protective cover 22, thereby improving the sealing performance of the utility model; the second soft rubber ring 11 is integrally formed with a sealing ring 111, and the charging base 1 is provided with an actuator 12 for locking the door cover assembly 2, and the charging base 1 is provided with a mounting hole 111 for mounting the actuator 12. b. The actuator 12 is sealed with the mounting hole 1b through the sealing ring 111. The sealing ring 111 and the second soft rubber ring 11 are integrally arranged, which can improve the installation stability of the sealing ring 111. Different from the way that the sealing ring 111 and the second soft rubber ring 11 are separately arranged, the sealing ring 111 of the utility model can be effectively prevented from falling off due to loosening. In addition, the sealing ring 111 can effectively improve the installation firmness of the actuator 12 in the mounting hole 1b, and can also effectively prevent external water vapor from entering the mounting hole 1b and accumulating water to cause the actuator 12 Short circuit damage; In addition, the charging base 1 is provided with a control button 13, the actuator 12 and the control button 13 are electrically connected, the door cover assembly 2 is provided with a pressing portion corresponding to the control button 13, the output end of the actuator 12 is provided with a lock pin 121, the door cover assembly 2 is provided with a lock hole corresponding to the lock pin 121, the lock pin 121 and the lock hole are locked and matched, by pressing the door cover assembly 2 so that the pressing portion presses the control button 13, the control button 13 controls the actuator 12 to rotate, so that the lock pin 121 rotates in the lock hole to achieve locking or unlocking of the door cover assembly 2; In addition, the door cover assembly 2 and the charging A speed regulating structure for adjusting the rotation speed of the door cover assembly 2 is provided between the base 1, and the speed regulating structure includes a speed regulating gear 5 and a damper 6. The door cover assembly 2 is rotatably connected to the charging base 1 through the rotating shaft 4, and the speed regulating gear 5 is fixedly mounted on the rotating shaft 4 and rotates synchronously with the rotating shaft 4. The resistance output end of the damper 6 is connected to a damping gear for meshing with the speed regulating gear 5, and the deceleration opening and closing of the door cover assembly 2 is achieved through the meshing between the damping gear and the speed regulating gear 5. In addition, a torsion spring 41 is connected between the speed regulating gear 5 and the rotating shaft 4, and the torsion spring 41 is used to reset the speed regulating gear 5.

[0039] The basic working principle of the utility model is as follows: when the door cover assembly 2 is in a closed state relative to the charging base 1, the door cover assembly 2 presses the soft rubber cap 3 around the charging port 1a of the charging base 1, so that the soft rubber cap 3 is deformed and pressed and fitted with the end face of the sealing sleeve 10 at the position of the charging port 1a, so as to achieve sealing of the charging port 1a. In addition, a first soft rubber ring 213 is arranged around the hinge 21 of the door cover assembly 2, so that the hinge 21 is sealed with the charging base 1 through the first soft rubber ring 213. At the same time, a second skirt sealing portion 2131 is arranged around the first soft rubber ring 213. When the door cover assembly 2 is in a closed state relative to the charging base 1, the second skirt sealing portion 2131 is squeezed and fitted with the charging base 1, so that the second skirt sealing portion 2131 is stretched outward and sealed with the charging base 1. Through the above-mentioned multiple sealing effects, the utility model has the effect of improving the sealing performance when the door cover assembly 2 is in a closed state.

[0040] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A sealing structure of a car charging port cover assembly and a charging base, comprising a charging base (1) having a charging port (1a), a door cover assembly (2) being hingedly connected to the charging base (1), characterized in that: The door cover assembly (2) is provided with a soft rubber cap (3) corresponding to the charging port (1a), and the charging base (1) is provided with a sealing sleeve (10) at the charging port (1a); when the door cover assembly (2) is in a closed state relative to the charging base (1), the soft rubber cap (3) and the sealing sleeve (10) are sealed and matched; The soft rubber cap (3) comprises a fixing portion (31) and a first skirt sealing portion (32), wherein the first skirt sealing portion (32) is integrally arranged around the fixing portion (31), and the first skirt sealing portion (32) is arranged in a flared shape from an end close to the door cover assembly (2) toward an end away from the door cover assembly (2).

2. The sealing structure of a vehicle charging port cover assembly and a charging seat according to claim 1, characterized in that: An anti-drop structure is provided between the soft rubber cap (3) and the door cover assembly (2), and the soft rubber cap (3) cooperates with the door cover assembly (2) in an anti-drop structure.

3. The sealing structure of the vehicle charging port cover assembly and the charging seat according to claim 2, characterized in that: The anti-slip structure comprises an anti-slip portion (211) and a connecting rib (33); the connecting rib (33) is integrally formed on the soft rubber cap (3); the door cover assembly (2) is provided with a plurality of injection molding channels (21a) for molding the connecting rib (33); the injection molding channels (21a) are provided on the door cover assembly (2) to form a plurality of anti-slip portions (211); the connecting rib (33) cooperates with the anti-slip portion (211) to prevent slipping.

4. The sealing structure of a vehicle charging port cover assembly and a charging seat according to claim 1, characterized in that: The door cover assembly (2) comprises a hinge (21) and a protective cover (22), the soft rubber cap (3) is fixedly arranged on the hinge (21), and the protective cover (22) is fixedly connected to the hinge (21).

5. The sealing structure of the vehicle charging port cover assembly and the charging seat according to claim 4, characterized in that: The protective cover (22) is provided with a plurality of snap-fit ​​blocks (221), the hinge (21) is provided with a plurality of snap-fitting parts (212), the snap-fitting parts (212) are provided with a plurality of slots (212a) corresponding to the snap-fitting blocks (221), and the snap-fitting blocks (221) are snap-fitted with the corresponding slots (212a).

6. The sealing structure of the vehicle charging port cover assembly and the charging seat according to claim 4, characterized in that: A first soft rubber ring (213) is integrally provided around the hinge (21), and the hinge (21) is sealed and matched with the charging base (1) via the first soft rubber ring (213).

7. The sealing structure of the vehicle charging port cover assembly and the charging seat according to claim 6, characterized in that: The first soft rubber ring (213) includes a second skirt sealing portion (2131) arranged around its periphery. When the door cover assembly (2) is in a closed state relative to the charging base (1), the second skirt sealing portion (2131) is squeezed and fitted with the charging base (1), so that the second skirt sealing portion (2131) is stretched outward and sealed with the charging base (1).

8. The sealing structure of the vehicle charging port cover assembly and the charging seat according to claim 4, characterized in that: The charging base (1) is provided with a second soft rubber ring (11) corresponding to the protective cover (22), and the charging base (1) is sealed and matched with the protective cover (22) through the second soft rubber ring (11).

9. The sealing structure of the automobile charging port cover assembly and the charging seat according to claim 8, characterized in that: The second soft rubber ring (11) is integrally formed with a sealing ring (111); the charging base (1) is provided with an actuator (12) for locking the door cover assembly (2); the charging base (1) is provided with a mounting hole (1b) for mounting the actuator (12); the actuator (12) is sealed and matched with the mounting hole (1b) via the sealing ring (111).

Citation Information

Patent Citations

  • Oil filling cover open and shut structure and car

    CN208376518U