Opening and closing mechanism of filler cap, filler cap assembly and vehicle

By designing hinge components, elastic parts and opening and holding structures in the opening and closing mechanism of the vehicle filling port cover, ensuring that the opening and closing devices of the filling port cover are located inside in a low temperature environment, the problem of the filling port cover being easily frozen in a low temperature environment in the prior art is solved, improving stability and reducing maintenance costs.

CN222595786UActive Publication Date: 2025-03-11BYD CO LTD
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Patent Information

Application Number
CN202420235793.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-30
Publication Date
2025-03-11
Estimated Expiration
2034-01-30

AI Technical Summary

Technical Problem

The opening and closing mechanism of the existing vehicle filling cover is easily frozen in a low temperature environment, resulting in failure.

Method used

A opening and closing mechanism of the filling port cover is designed. By providing a hinge assembly and elastic member on the shaft, combined with an opening and holding structure, it ensures that the opening and closing devices of the filling port cover are located inside the filling port cover in a low temperature environment, thereby reducing the possibility of being frozen.

Benefits of technology

It effectively reduces the possibility that the filling opening and closing mechanism will be frozen in ice and snow weather and low temperature environments, improves the stability of use, and reduces after-sales maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model particularly relates to an opening and closing mechanism of a filler cap, a filler cap assembly and a vehicle. The opening and closing mechanism of the filler cap comprises a shaft; the hinge assembly is arranged on the shaft, the hinge assembly comprises a first hinge and a second hinge, the second hinge is connected with a vehicle body, and the first hinge is connected with the inner side of an external filler cap; the first elastic piece is connected with the first hinge and the second hinge, and the first elastic piece is used for providing acting force for the first hinge to move clockwise around a shaft; and the opening keeping structure is arranged between the first hinge and the second hinge, and the opening keeping structure is used for limiting the first hinge to move clockwise around the shaft when the filling port cover is in an opening state. According to the filling port cover, the opening and closing mechanism of the filling port cover is arranged in the filling port cover, so that the use stability of the filling port cover is improved, and the after-sale cost is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of vehicle filler caps, and in particular to an opening and closing mechanism of a filler cap, a filler cap assembly and a vehicle. Background Art

[0002] In existing models, the opening and closing mechanism for controlling the opening and closing of the filler cap is generally arranged on the outside of the vehicle body. When the ambient temperature is low and there is rain, ice or snow, the opening and closing mechanism may be frozen and then fail. Therefore, seeking an opening and closing mechanism that reduces the possibility of freezing is a technical problem that needs to be solved urgently. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the first purpose of the utility model is to provide an opening and closing mechanism of a filler cap, which has a low possibility of being frozen and failing in a cold environment.

[0004] The second object of the present invention is to provide a filler cap assembly.

[0005] The third objective of the present invention is to provide a vehicle.

[0006] In order to solve the above problems, the first aspect of the utility model provides an opening and closing mechanism of a filler cap, comprising: a shaft; a hinge assembly, the hinge assembly is arranged on the shaft, the hinge assembly includes a first hinge and a second hinge, the second hinge is connected to the vehicle body, and the first hinge is connected to the inner side of the external filler cap; a first elastic member, the first elastic member is respectively connected to the first hinge and the second hinge, the first elastic member is used to provide a force for the first hinge to move clockwise around the axis; an open holding structure, the open holding structure is arranged between the first hinge and the second hinge, the open holding structure is used to limit the first hinge from moving clockwise around the axis when the filler cap is in an open state.

[0007] In some embodiments, the opening retaining structure includes: a limit block, the limit block is arranged on the second hinge, the limit block includes an arc surface and an abutment surface; a limit assembly, the limit assembly includes a retaining member, the retaining member is used to move along the arc surface during the opening process of the filler cap until the retaining member is connected to the abutment surface to keep the filler cap in an open state.

[0008] In some embodiments, the thickness of the arc surface gradually increases in a counterclockwise direction of the axis.

[0009] In some embodiments, the limiting assembly further includes: a slide groove guide rail structure, and the slide groove guide rail structure is used to allow the retaining member to move a preset distance along the X direction.

[0010] In some embodiments, the retaining member includes a first limiting protrusion and a moving plate, the first limiting protrusion is arranged on the moving plate; the slide groove guide rail structure includes: a first limiting end, a bottom plate and a second limiting end, the first limiting end is arranged at the first end of the bottom plate, and the second limiting end is arranged at the second end of the bottom plate; the first limiting end is provided with a first opening, and the second limiting end is provided with a second opening, the moving plate passes through the first opening and the second opening, and the first limiting protrusion is arranged between the first limiting end and the second limiting end.

[0011] In some embodiments, the first limiting protrusion includes a hole; the slide groove guide rail structure also includes: a guide rail, which is arranged between the first limiting end and the second limiting end, and passes through the hole, and the guide rail is used to limit the movement direction of the moving plate.

[0012] In some embodiments, the retaining member further includes: a second limiting protrusion; and the bottom plate further includes: a limiting groove matching the second limiting protrusion.

[0013] In some embodiments, the slide groove guide rail structure further includes: a second elastic member, the second elastic member is passed through the guide rail and is located between the first limiting protrusion and the second limiting end.

[0014] In some embodiments, the sports plate is provided with a handle, and the handle is used for a user to provide a pulling force so that the retaining member is disconnected from the abutting surface.

[0015] The second aspect of the utility model provides a filler cap assembly, including the above-mentioned opening and closing mechanism, and also includes a filler cap, the first end of the opening and closing mechanism is connected to the filler cap; the second end of the opening and closing mechanism is connected to the vehicle body.

[0016] In some embodiments, a pull-up portion is provided at one end of the shaft of the filler cap away from the closing mechanism, and the pull-up portion is used for a user to provide a pulling force so that the first hinge moves counterclockwise around the shaft.

[0017] A third aspect of the utility model provides a vehicle, comprising the above-mentioned filler cap assembly.

[0018] The utility model provides a force for the first hinge to move clockwise around the axis through the first elastic member. The first hinge is connected to the inner side of the filler cover. Therefore, the device for controlling the closing of the filler cover is located on the inner side of the filler cover. In addition, an opening retention structure is arranged between the first hinge and the second hinge. The opening retention structure is used to limit the first hinge from moving clockwise around the axis when the filler cover is in the open state. Therefore, the device for controlling the opening of the filler cover is also located on the inner side of the filler cover. In summary, the devices for controlling the closing and opening of the filler cover are all located on the inner side of the filler cover. Therefore, in icy and snowy weather and low temperature environments, the possibility of freezing is small, and the possibility of failure is small, which improves the stability of the use of the filler cover and reduces after-sales costs.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure.

[0021] Figure 1 is a schematic structural diagram of the filler cap assembly disclosed herein;

[0022] Figure 2 yes Figure 1 Schematic diagram of the opening and closing mechanism structure of the middle filler cap;

[0023] Figure 3 yes Figure 2 Open the exploded diagram of the holding structure;

[0024] Figure 4 yes Figure 3 Schematic diagram of the matching structure of the middle retainer and the slideway guide rail;

[0025] in,

[0026] Opening and closing mechanism: 1; shaft: 11; hinge assembly: 12; first hinge: 121; second hinge: 122;

[0027] Filler cap: 2;

[0028] First elastic member: 3;

[0029] Open holding structure: 4; limit block: 41; limit assembly: 42; retaining member: 421; first limit protrusion: 4211; second limit protrusion: 4213; moving plate: 4212; slide guide rail structure: 422; guide rail: 4224; first limit end: 4221; second limit end: 4223; limit groove: 4224; hand-held part: 42121;

[0030] Pull-up:5. DETAILED DESCRIPTION

[0031] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0032] In the present disclosure, unless otherwise specified, the “inside” and “outside” used refer to the “inside” and “outside” relative to the contour of the corresponding component itself, and the “far” and “near” refer to the “far” and “near” compared to a reference object. In addition, the terms used in the present disclosure such as “first” and “second” are intended to distinguish one element from another and do not have order and importance. In the following description, when referring to the drawings, unless otherwise explained, the same figure numbers in different drawings represent the same or similar elements. The above definitions are only used to explain and illustrate the present disclosure and should not be construed as limitations on the present disclosure.

[0033] See also Figure 1-Figure 4 The utility model discloses an embodiment of a filler cap assembly.

[0034] See also Figure 1 The filler cap assembly includes a filler cap 2 and an opening and closing mechanism 1 of the filler cap.

[0035] A first end of the opening and closing mechanism 1 is connected to the filler cap 2 , and a second end of the opening and closing mechanism 1 is connected to the vehicle body.

[0036] The opening and closing of the filler cap assembly is controlled by the rotation of the filler cap 2 along the vehicle body and the cooperation of the opening and closing mechanism 1 .

[0037] See also Figure 2-Figure 4 The utility model discloses an embodiment of an opening and closing mechanism of a filler cap.

[0038] See also Figure 2 In this embodiment, an opening and closing mechanism 1 of a filler cap 2 includes a shaft 11 , a hinge assembly 12 , a first elastic member 3 and an opening and maintaining structure 4 .

[0039] The hinge assembly 12 is arranged on the shaft, and includes a first hinge 121 and a second hinge 122 . The second hinge 122 is connected to the vehicle body, and the first hinge 121 is connected to the inner side of the external filler cap 2 .

[0040] The first elastic member 3 is connected to the first hinge 121 and the second hinge 122 respectively. The first elastic member 3 is used to provide a force for the first hinge 121 to move clockwise around the axis 11 .

[0041] The open holding structure 4 is disposed between the first hinge 121 and the second hinge 122 . The open holding structure 4 is used to restrict the first hinge 121 from moving clockwise around the axis 11 when the filler cover 2 is in the open state.

[0042] In this embodiment, the first elastic member 3 is used to provide a force for the first hinge 121 to move clockwise around the axis 11. It should be explained in detail that the first elastic member 3 can be a torsion spring, and the two ends of the first elastic member 3 respectively abut the first hinge 121 and the second hinge 122, so that the hinge assembly 12 is in a normally closed state.

[0043] In this embodiment, the first elastic member 3 provides a force for the first hinge 121 to move clockwise around the axis 11. The first hinge 121 is connected to the inner side of the filler cap 2. Therefore, the device for controlling the closing of the filler cap 2 is located on the inner side of the filler cap 2. In addition, the opening retention structure 4 is arranged between the first hinge 121 and the second hinge 122. The opening retention structure 4 is used to limit the first hinge 121 from moving clockwise around the axis 11 when the filler cap 2 is in the open state. Therefore, the device for controlling the opening of the filler cap 2 is also located on the inner side of the filler cap 2. In summary, the devices for controlling the closing and opening of the filler cap 2 are all located on the inner side of the filler cap 2. Therefore, in ice and snow weather and low temperature environment, the possibility of being frozen and the possibility of failure are small, which improves the use stability of the filler cap 2 and reduces the after-sales cost.

[0044] See also Figure 2 and Figure 3 In this embodiment, the opening and holding structure 4 includes: a limiting block 41 and a limiting component 42.

[0045] The limiting block 41 is disposed on the second hinge 122 , and includes a curved surface 411 and an abutting surface 412 .

[0046] The limiting assembly 42 includes a retaining member 421 , which is used to move along the arc surface 411 during the opening process of the filler cap 2 until the retaining member 421 is connected to the abutting surface 412 , thereby keeping the filler cap 2 in an open state.

[0047] In this embodiment, the limiting block 41 is disposed on the second hinge 122 . It should be explained in detail that the limiting block 41 can rotate along with the rotation of the second hinge 122 .

[0048] In this embodiment, the retaining member 421 moves along the arc surface 411, and the opening process is smooth until the retaining member 421 is connected to the abutting surface 412, so that the filler cap 2 remains in the open state, the structure is simple and the opening function can be stable.

[0049] See also Figure 2 In this embodiment, the thickness of the arc surface 411 gradually increases along the counterclockwise direction of the axis 11.

[0050] In this embodiment, the thickness of the arc surface 411 is gradually increased to achieve the conversion of the retaining member 421 from the free sliding state to the locked state, and the structure is simplified.

[0051] See also Figure 3 In this embodiment, the limiting assembly 42 further includes a slide groove guide rail structure 422, and the slide groove guide rail structure 422 is used to allow the retaining member 421 to move a preset distance along the X direction.

[0052] In this embodiment, the slide groove guide rail structure 422 ensures that the retaining member 421 moves along a specified direction and does not move in other directions.

[0053] See also Figure 3 In this embodiment, the retaining member 421 includes a first limiting protrusion 4211 and a moving plate 4212 , and the first limiting protrusion 4211 is disposed on the moving plate 4212 .

[0054] The slide rail structure 422 includes a first limiting end 4221 , a bottom plate 4222 and a second limiting end 4223 .

[0055] The first limiting end 4221 is arranged at the first end of the bottom plate 4222, and the second limiting end 4223 is arranged at the second end of the bottom plate 4222; the first limiting end 4221 is provided with a first opening 42211, and the second limiting end 4223 is provided with a second opening 42231, the moving plate 4212 passes through the first opening 42211 and the second opening 42231, and the first limiting protrusion 4211 is arranged between the first limiting end 4221 and the second limiting end 4223.

[0056] In this embodiment, the first limiting protrusion 4211 is arranged on the moving plate 4212. It should be explained in detail that the first limiting protrusion 4211 and the moving plate 4212 are vertically arranged; the first limiting end 4221 is provided with a first opening 42211, and the second limiting end 4223 is provided with a second opening 42231. It should be explained in detail that the first opening 42211 is a non-closed opening for the purpose of inserting the retaining member 421 during installation, and the second opening 42231 is a closed opening.

[0057] In this embodiment, the first limiting protrusion 4211 is disposed between the first limiting end 4221 and the second limiting end 4223 to ensure that the retaining member 421 can only move between the first limiting end 4221 and the second limiting end 4223, thereby providing stability for the movement of the retaining member 421.

[0058] See also Figure 3 , the first limiting protrusion 4211 includes a hole 42111.

[0059] The slide rail structure 422 further includes a rail 4224 . The rail 4224 is disposed between the first limiting end 4221 and the second limiting end 4223 . The rail 4224 passes through the hole 42111 . The rail 4224 is used to limit the movement direction of the moving plate 4212 .

[0060] In this embodiment, the guide rail 4224 passes through the hole 42111 , and the guide rail 4224 is used to limit the movement direction of the moving plate 4212 , further providing stability for the movement of the retaining member 421 .

[0061] See also Figure 4 The retaining member 421 also includes a second limiting protrusion 4213 ; the bottom plate 4222 also includes a limiting groove 4224 matching the second limiting protrusion 4213 .

[0062] In this embodiment, the retaining member 421 further includes a second limiting protrusion 4213 . It should be explained in detail that the second limiting protrusion 4213 is located at the back of the retaining member 421 .

[0063] In this embodiment, the moving distance of the retaining member 421 is controlled by the cooperation between the second limiting protrusion 4213 and the limiting groove 4224 .

[0064] See also Figure 3 The slide rail structure 422 further includes a second elastic member 4225 , which is disposed on the guide rail 4224 and is located between the first limiting protrusion 4211 and the second limiting end 4223 .

[0065] In this embodiment, the slide groove guide rail structure 422 further includes a second elastic member 4225. It should be explained in detail that the second elastic member 4225 is a spring.

[0066] In this embodiment, when the filler cap 2 is in the open state, the second elastic member 4225 is in a compressed state and applies force to the first limiting protrusion 4211 and the first limiting end 4221, so that the contact between the retaining member 421 and the abutting surface 412 is in a stable state.

[0067] See also Figure 3 The moving plate 4212 is provided with a hand-held portion 42121, and the hand-held portion 42121 is used for the user to provide a pulling force so that the retaining member 421 is disconnected from the abutting surface 412.

[0068] In this embodiment, the motion plate 4212 is provided with a hand-held portion 42121. It should be explained in detail that the end surface of the hand-held portion 42121 is arc-shaped to prevent the user from being cut.

[0069] In this embodiment, the user applies a pulling force to the hand-held portion 42121 so that the retaining member 421 is disconnected from the abutting surface 412, and the retaining member 421 is converted from a locked state to a free sliding state, thereby achieving the function with ease and effort.

[0070] See also Figure 1A pull-up portion 5 is provided at one end of the filler cover 2 away from the shaft 11 of the closing mechanism 1 , and the pull-up portion 5 is used for providing a pulling force for a user to make the second hinge 122 move counterclockwise around the shaft 11 .

[0071] In the present embodiment, a pull-up portion 5 is provided at one end of the filler cap 2 away from the axis 11 of the closing mechanism 1. It should be explained in detail that the pull-up portion 5 is a convex portion, which is about the same size as a finger. The pull-up portion 5 allows the user to apply a force counterclockwise around the axis 11, so that when the filler cap 2 is opened to a certain angle, the retaining member 421 abuts against the abutment surface 412.

[0072] In this embodiment, the user can pull up the filling port cover 2 with fingers, which is convenient and labor-saving to operate.

[0073] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0074] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0075] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. An opening and closing mechanism for a filler cap, characterized in that: include: axis; A hinge assembly, the hinge assembly is arranged on the shaft, the hinge assembly comprises a first hinge and a second hinge, the second hinge is connected to the vehicle body, and the first hinge is connected to the inner side of the external filler cap; a first elastic member, the first elastic member is connected to the first hinge and the second hinge respectively, and the first elastic member is used to provide a force for the first hinge to move clockwise around the axis; an open holding structure, the open holding structure being disposed between the first hinge and the second hinge, the open holding structure being used to restrict the first hinge from moving clockwise around the axis when the filler cover is in an open state; The opening and holding structure comprises: A limit block, the limit block is arranged on the second hinge, and the limit block comprises a curved surface and an abutting surface; The limiting assembly includes a retaining member, and the retaining member is used to move along the arc surface during the opening process of the filler cover until the retaining member is connected to the abutting surface, thereby keeping the filler cover in an open state.

2. The opening and closing mechanism according to claim 1, characterized in that: The thickness of the arc surface gradually increases in the counterclockwise direction of the axis.

3. The opening and closing mechanism according to claim 1, characterized in that: The limiting component also includes: A slide groove guide rail structure is used to allow the retaining member to move a preset distance along the X direction.

4. The opening and closing mechanism according to claim 3, characterized in that: The retaining member comprises a first limiting protrusion and a moving plate, wherein the first limiting protrusion is arranged on the moving plate; The slide rail structure comprises: a first limiting end, a bottom plate and a second limiting end, wherein the first limiting end is arranged at the first end of the bottom plate, and the second limiting end is arranged at the second end of the bottom plate; The first limiting end is provided with a first opening, the second limiting end is provided with a second opening, the moving plate passes through the first opening and the second opening, and the first limiting protrusion is arranged between the first limiting end and the second limiting end.

5. The opening and closing mechanism according to claim 4, characterized in that: The first limiting protrusion includes a hole; The slideway guide rail structure also includes: A guide rail is arranged between the first limiting end and the second limiting end, the guide rail passes through the hole, and the guide rail is used to limit the movement direction of the moving plate.

6. The opening and closing mechanism according to claim 4 or 5, characterized in that: The retaining member further comprises: A second limiting protrusion; The bottom plate further includes: a limiting groove matching the second limiting protrusion.

7. The opening and closing mechanism according to claim 5, characterized in that: The slideway guide rail structure also includes: A second elastic member, wherein the second elastic member is disposed on the guide rail and is located between the first limiting protrusion and the second limiting end portion.

8. The opening and closing mechanism according to claim 4, characterized in that: The sports plate is provided with a hand-held portion, and the hand-held portion is used for a user to provide a pulling force so that the retaining member is disconnected from the abutting surface.

9. A filler cap assembly, characterized in that: It includes: The opening and closing mechanism according to any one of claims 1 to 8; A filler cap, wherein a first end of the opening and closing mechanism is connected to the filler cap; and a second end of the opening and closing mechanism is connected to the vehicle body.

10. The filler cap assembly according to claim 9, characterized in that: The end of the shaft of the filler cap away from the closing mechanism is provided with a pull-up portion, and the pull-up portion is used for the user to provide a pulling force. As a result, the first hinge moves counterclockwise around the axis.

11. A vehicle, characterized in that: It comprises: the filler cap assembly according to any one of claims 9-10.