CN112977052A

CN112977052A - Filler cap assembly and vehicle

Info

Publication number: CN112977052A
Application number: CN202110325408.6A
Authority: CN
Inventors: 胡钊; 周伟; 熊辉; 谢伟; 谢德艳; 李云明; 张后发; 王伟
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-06-18

Abstract

The application provides a filler cap assembly includes: the oil filler box, the hinge, the mandrel, the actuator, the hinge seat and the stop block; the hinge seat is connected with the oil filler box, the hinge is hinged on the hinge seat through the mandrel, the actuator is installed on the outer side of the oil filler box, the stop block is connected with the hinge, and the lower end of the stop block is provided with a limiting blind hole; the executor includes motor element, switch and telescopic link, and motor element is configured to drive the telescopic link and stretches out to in the oil filler box. When the hinge is closed, the telescopic rod extends out and is inserted into the limiting blind hole, the telescopic rod triggers the switch to change the switch state in the extending process and the retracting process, and the switch outputs an electric signal to the vehicle control unit. The executor in this application is the one-stroke executor, can realize the switching prompt facility of filler cap through executor, dog and switch, and simple structure makes the filler cap assembly occupy littleer space, easily uses in the motorcycle type of difference, practices thrift development cost.

Description

Filler cap assembly and vehicle

Technical Field

The application relates to the technical field of vehicles, in particular to an oil filler cover assembly and a vehicle.

Background

In the vehicle system, the filler cap is the important part that is concerned with vehicle safety, and at the in-process of traveling of vehicle, if the filler cap does not close completely, can produce very big potential safety hazard, for the safety of traveling of assurance vehicle, the filler cap of most vehicles has also had the switching prompt facility at present. In the prior art, the opening and closing prompting function of the oil filler cap is generally realized by contacting a switch through a multi-stroke actuator or through a hall sensor.

In the course of implementing the present application, the inventors found that there are at least the following problems in the related art: when a multi-stroke actuator and a Hall sensor are adopted, the oil filler cover assembly occupies a larger space, and when a plug-in hybrid electric vehicle (PHEV) or an extended range electric vehicle (REEV) is developed on the basis of an original vehicle type, the original oil filler cover assembly is difficult to transplant into a new vehicle type due to the larger occupied space.

Disclosure of Invention

In view of this, this application provides a filler cap assembly and vehicle, the installation space that the filler cap assembly need occupy is littleer.

Specifically, the method comprises the following technical scheme:

the embodiment of the application provides a filler cap assembly, filler cap assembly includes: the oil filler box, the hinge, the mandrel, the actuator, the hinge seat and the stop block;

the hinge seat is connected with the outer side of a first side wall of the oil filling port box, the hinge is hinged to the hinge seat through the mandrel, and the actuator is installed on the outer side of a second side wall of the oil filling port box, wherein the second side wall is opposite to the first side wall;

the stop block extends out from the lower surface of one end of the hinge, which is far away from the hinge seat, and the lower end of the stop block is provided with a limiting blind hole;

the actuator comprises a motor assembly, a switch, a shell and a telescopic rod, wherein the motor assembly is installed in the shell, the telescopic rod penetrates through the motor assembly and the shell, the motor assembly is configured to drive the telescopic rod to extend into the oil filler box or retract into the shell, when the hinge is closed, the telescopic rod extends out of and is inserted into the limiting blind hole, the telescopic rod triggers the switch to change the switch state in the extending process and the retracting process, and the switch is suitable for being electrically connected with a vehicle controller, so that an electric signal is output to the vehicle controller when the switch state is changed.

In a possible design, an actuator mounting hole is formed in the second side wall of the oil filler box, a buckle is arranged on the shell, the actuator is mounted on the outer side of the second side wall through the buckle and the actuator mounting hole, and the telescopic rod penetrates through the actuator mounting hole and extends out of the oil filler box.

In one possible design, the actuator further comprises a first spring, the first spring is a compression spring, an annular baffle is arranged on the telescopic rod, and the first spring is installed between the annular baffle and the inner wall of the motor assembly;

the bottom of the stop block is provided with an inclined plane, the head of the telescopic rod is spherical, and when the hinge is closed, the inclined plane presses the head of the telescopic rod downwards, so that the telescopic rod compresses the first spring and is inserted into the limiting blind hole.

In one possible design, the rear of the telescopic rod is provided with a projection, the switch is fixed to the outside of the housing, and the telescopic rod can trigger the switch through the projection.

In one possible design, the telescopic rod is provided with a projection in the middle, the switch is fixed inside the housing, and the telescopic rod can trigger the switch through the projection.

In one possible design, the filler cap assembly further includes a second spring, the second spring is a torsion spring, a first baffle is disposed on the hinge base, a second baffle is disposed on the mandrel, and the second spring is mounted between the first baffle and the second baffle, wherein the second spring is compressed when the hinge is closed.

In a possible design, the oil filler cover assembly further comprises a cover outer plate, a plurality of clamping grooves which are arranged in the same direction are formed in the hinge, and the cover outer plate is installed on the outer side of the hinge through the plurality of clamping grooves.

In one possible design, the fuel filler cap assembly further includes a sealing ring surrounding an upper edge of the fuel filler box, wherein the cap outer panel abuts against the sealing ring when the cap outer panel is closed.

In a possible design, a first through hole is formed in the hinge seat, a second through hole is formed in the hinge, and the mandrel penetrates through the first through hole and the second through hole to hinge the hinge on the hinge seat.

The embodiment of the application provides a vehicle, the vehicle includes foretell filler cap assembly.

The technical scheme provided by the embodiment of the application has the beneficial effects that at least:

the embodiment of the application provides a filler cap assembly, wherein telescopic link on the executor can be at the filler cap open with close time trigger switch, make the reminder system of vehicle send the suggestion that the filler cap opened or closed, guarantee the security of vehicle. The executor is the one-stroke executor, can realize the switching prompt facility of filler cap through executor, dog and switch, and simple structure makes the filler cap assembly occupy littleer space, easily uses in the motorcycle type of difference, practices thrift development cost.

In the filler cap assembly that this application embodiment provided, the spherical head that the telescopic link can be pressed on the inclined plane makes the telescopic link retract, drives the telescopic link by first spring again and inserts spacing blind hole, need not to realize the mechanical locking of filler cap through motor element, and the vehicle is after the lock car, directly presses the filler cap and can close and lock the filler cap, need not earlier with the vehicle unblock, easy operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a fuel filler cap assembly provided in an embodiment of the present disclosure;

FIG. 2 is an exploded view of a fuel filler cap assembly provided by an embodiment of the present application;

FIG. 3 is a schematic view of a hinge structure provided in an embodiment of the present application;

FIG. 4 is a partial cross-sectional view of an actuator at section B-B according to embodiments of the present application;

FIG. 5 is another partial cross-sectional view of an actuator at section B-B provided by embodiments of the present application;

FIG. 6 is a schematic structural diagram illustrating an opening state of a fuel filler cap according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of an actuator mounting hole according to an embodiment of the present application.

The reference numerals in the figures are denoted respectively by:

1-oil filler box;

101-a first baffle;

102-a hinge mount;

103-actuator mounting holes;

104-a first via;

105-a rectangular opening;

2-a hinge;

201-a stop block;

202-card slot;

203-a second via;

204-a limit blind hole;

205-inclined plane;

3-sealing ring;

4-mandrel;

401-a second baffle;

5-an actuator;

501-motor components;

502-a switch;

503-a housing;

504-a telescopic rod;

5041-a convex portion;

505-a first spring;

506-buckling;

507-annular baffle plate;

6-a second spring;

7-outer flap panel.

With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Reference to orientation terms in the embodiments of the present application, such as "upper," "lower," "side," and the like, are generally based on the relative relationship of the orientations shown in fig. 1, and these orientation terms are used merely for clarity of description of the structures and the relationship between the structures, and are not used for describing absolute orientations. When the product is placed in different postures, the orientation may be changed, for example, "up" and "down" may be interchanged.

Unless defined otherwise, all technical terms used in the examples of the present application have the same meaning as commonly understood by one of ordinary skill in the art. Some technical terms appearing in the embodiments of the present application are explained below.

In the embodiments of the present application, reference to a "hybrid vehicle controller" is generally referred to as a hybrid vehicle controller (HCU).

The embodiment of the present application provides a fuel filler cap assembly, as shown in fig. 1-3, this fuel filler cap assembly includes: the oil filler box comprises an oil filler box 1, a hinge 2, a mandrel 4, an actuator 5, a hinge seat 102 and a stop block 201; the hinge base 102 is connected with the outer side of a first side wall of the oil filling port box 1, the hinge 2 is hinged on the hinge base 102 through the mandrel 4, and the actuator 5 is installed on the outer side of a second side wall of the oil filling port box 1, wherein the second side wall is opposite to the first side wall; the stop block 201 extends out from the lower surface of one end of the hinge 2 far away from the hinge seat 102, and the lower end of the stop block 201 is provided with a limiting blind hole 204; the actuator 5 comprises a motor assembly 501, a switch 502, a housing 503 and a telescopic rod 504, wherein the motor assembly 501 is installed in the housing 503, the telescopic rod 504 penetrates through the motor assembly 501 and the housing 503, the motor assembly 501 is configured to drive the telescopic rod 504 to extend into the fuel filler box 1 or retract into the housing 503, when the hinge 2 is closed, the telescopic rod 504 extends out and is inserted into the limit blind hole 204, the telescopic rod 504 triggers the switch 502 to change the switch state in the extending process and the retracting process, and the switch 502 is suitable for being electrically connected with the vehicle controller, so that an electric signal is output to the vehicle controller when the switch state is changed.

In the filler cap assembly that this application embodiment provided, telescopic link 504 on the executor 5 can be at the filler cap open with close time trigger switch 502, make the suggestion system of vehicle send the suggestion that the filler cap opened or closed, guarantee the security of vehicle. The actuator 5 is a single-stroke actuator, the opening and closing prompt function of the oil filler cover can be realized through the actuator 5, the stop block 201 and the switch 502, the structure is simple, the oil filler cover assembly occupies a smaller space, and the oil filler cover assembly is easy to apply to different vehicle types and saves development cost.

In order to make the technical solutions and advantages of the present application clearer, the following will describe the embodiments of the present application in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the fuel lid assembly provided by the embodiment of the present application includes: the oil filler box 1, the hinge 2, the mandrel 4, the actuator 5, the hinge seat 102 and the stop 201. Wherein the center of the upper surface of the oil filler box 1 is opened, and the center of the lower surface is provided with a round opening which is suitable for being connected with an oil tank port. The hinge base 102 is connected with the outer side of the first side wall of the oil filler box 1, one end part of the hinge 2 is concave downwards and is in a U shape, a rectangular opening 105 is arranged on the first side wall of the oil filler box 1, and the U-shaped end part of the hinge 2 penetrates through the opening and is hinged on the hinge base 102 through the mandrel 4. The actuator 5 is installed outside a second sidewall of the filler box 1, which is opposite to the first sidewall.

Specifically, as shown in fig. 2-3, a second through hole 203 is formed in the hinge 2, a first through hole 104 is formed in the hinge base 102, a middle hole wall of the first through hole 104 is a hollow structure, a U-shaped end portion of the hinge 2 can be inserted into the hollow structure, the second through hole 203 at the U-shaped end portion of the hinge 2 is overlapped with the first through hole 104, and the mandrel 4 penetrates through the first through hole 104 and the second through hole 203 to hinge the hinge 2 on the hinge base 102.

Note that, as shown in fig. 1 to 2, the width of the main body portion of the hinge 2 is larger than the width of the U-shaped end portion, the upper edge of the rectangular opening 105 is located on the upper surface of the fuel filler box 1, and the main body portion of the hinge 2 overlaps the upper surface of the fuel filler box 1 when the U-shaped end portion of the hinge 2 is inserted into the rectangular opening 105.

Specifically, as shown in fig. 2 and 4, the actuator 5 includes: the electric motor assembly 501, the switch 502, the housing 503 and the telescopic rod 504, wherein the electric motor assembly 501 is installed in the housing 503, the front end and the rear end of the housing 503 are provided with openings, and the telescopic rod 504 penetrates through the electric motor assembly 501 and the housing 503 and extends out of the housing 503 from the openings at the front end and the rear end of the housing 503. The motor assembly 501 is configured to drive the telescopic rod 504 to move axially, so that the telescopic rod 504 can extend into the oil filler box 1 or retract into the housing 503. The switch 502 is configured to be triggered by movement of the telescoping rod 504.

In some embodiments of the present application, as shown in fig. 2, 4 and 7, the second sidewall of the fuel filler box 1 may be provided with an actuator mounting hole 103, the housing 503 may be provided with a latch 506, the actuator mounting hole 103 is provided with two symmetrical rectangular recesses, the latch 506 is correspondingly provided with two symmetrical rectangular protrusions, and the latch 506 is inserted into the actuator mounting hole 103 and rotated 90 °, so that the actuator 5 can be mounted to the outside of the second sidewall of the fuel filler box 1 through the latch 506 and the actuator mounting hole 103. Further, an opening at the front end of the housing 503 may be provided at the catch 506 so that the telescoping rod 504 may protrude through the actuator mounting hole 103 into the fuel filler box 1.

As shown in fig. 3-4, a stopper 201 extends from a lower surface of an end of the hinge 2 away from the hinge base 102, and a length direction of the stopper 201 is perpendicular to a plane in which a main body portion of the hinge 2 is located. The lower extreme of dog 201 is provided with spacing blind hole 204, and when hinge 2 was in the closed condition, the edge overlap joint on the upper surface of second lateral wall of dog 201 one end far away from hinge seat 102, in dog 201 inserted oil filler box 1 downwards to make spacing blind hole 204 align with executor mounting hole 103, the head of telescopic link 504 can stretch out and insert in spacing blind hole 204, in order to lock the filler cap.

In some embodiments of the present application, as shown in fig. 3 to 4, the actuator 5 further includes a first spring 505, the first spring 505 is a compression spring, the telescopic rod 504 is provided with an annular baffle 507, and the first spring 505 is installed between the annular baffle 507 and the inner wall of the motor assembly 501. When the first spring 505 is not compressed, the head of the telescopic rod 504 is located inside the fuel filler box 1. The bottom of the stop 201 is provided with an inclined surface 205, and when the hinge 2 is closed, the inclined surface 205 is close to one side of the actuator mounting hole 103, so that the thickness of the stop 201 is gradually reduced from top to bottom. The head of the telescopic rod 504 is spherical, wherein when the hinge 2 is closed, the ramp 205 presses down on the head of the telescopic rod 504, causing the telescopic rod 504 to retract into the housing 503, compressing the first spring 505, and when the blind limiting hole 204 is aligned with the telescopic rod 504, the telescopic rod is inserted into the blind limiting hole 204, locking the filler cap.

It should be noted that the motor assembly 501 is powered by a battery of the vehicle, and after the engine of the vehicle is turned off, the motor assembly 501 can still be powered on and started; after locking the vehicle, the motor assembly 501 is powered off and cannot be activated to extend and retract the telescoping rod 504. The motor assembly 501 can drive the telescopic rod 504 to move, and meanwhile, the motor assembly 501 which is not started does not prevent the telescopic rod 504 from moving under the action of external force. When the motor assembly 501 is in a power-on state or a power-off state, the telescopic rod 504 can be inserted into the limiting blind hole 204 under the action of the first spring 505 by pressing the hinge 2, so that the mechanical locking of the oil filler cap is realized. When the vehicle is in a locked state, the fuel filler cover can be locked by directly closing the fuel filler cover without unlocking the vehicle firstly and then closing the fuel filler cover.

In some embodiments of the present application, the switch 502 may be arranged in the position shown in fig. 4, i.e. the switch 502 is fixed outside the housing 503, and correspondingly, the tail of the extension rod 504 is provided with a protrusion 5041, and the extension rod 504 can trigger the switch 502 through the protrusion 5041. Switch 502 is connected with vehicle control unit through the wire, and when the filler cap was opened, switch 502 was triggered, and digital signal is sent vehicle control unit, and vehicle control unit instructs the suggestion device of vehicle to send the suggestion information that the filler cap opened. After the vehicle is locked, the switch 502 and the vehicle control unit are still in the power-on state, the prompting device is in the power-off state, the oil filler cover is closed after the vehicle is locked, the vehicle control unit can still receive the signal sent by the switch 502, and after the prompting device is powered on, the vehicle control unit indicates the prompting device to stop sending the prompting signal.

When the filler cap is in an open state, the telescopic rod 504 is inserted into the limit blind hole 204, the convex portion 5041 is located between the switch 502 and the outer wall of the housing 503, and at this time, if the telescopic rod 504 is contracted by a distance equal to the depth of the limit blind hole 204, the switch 502 is triggered.

In some embodiments of the present application, the switch 502 may also be arranged in the position shown in fig. 5, that is, the switch 502 is fixed inside the housing 503, and correspondingly, the middle portion of the telescopic rod 504 is provided with a convex portion 5041, and the convex portion 5041 may be specifically located between the motor assembly 501 and the inner wall of the housing 503, and the telescopic rod 504 can trigger the switch 502 through the convex portion 5041. By disposing the switch 502 within the housing 503, the space occupied by the actuator 5 can be reduced, and the structure of the fuel filler cap assembly can be optimized.

When the filler cap is in an open state, the telescopic rod 504 is inserted into the limit blind hole 204, and the convex portion 5041 is located between the switch 502 and the inner wall of the housing 503, at this time, if the telescopic rod 504 is contracted by a distance equal to the depth of the limit blind hole 204, the switch 502 is triggered. The projection 5041 may be annular to prevent rotation of the extension pole 504 from affecting actuation of the switch 502.

It will be appreciated that in order to maintain the fuel lid in an open state during refueling, the present application provides for the fuel lid assembly to further include a second spring 6, as shown in fig. 2. The hinge base 102 is provided with a first baffle plate 101, the mandrel 4 is provided with a second baffle plate 401, and the second spring 6 is a torsion spring, one end of the torsion spring is connected with the first baffle plate 101, and the other end of the torsion spring is connected with the second baffle plate 401, so that the second spring 6 is arranged between the first baffle plate 101 and the second baffle plate 401. When the fuel lid is closed, the second spring 6 is compressed, and when the fuel lid is opened, the second spring 6 keeps the fuel lid in an open state.

As shown in fig. 6, the filler cap assembly provided in the embodiment of the present application further includes a cap outer plate 7, the hinge 2 is provided with a plurality of slots 202 arranged in the same direction, an opening of the slot 202 faces a side away from the second through hole 203, the inner side of the cap outer plate 7 is provided with a plurality of locking blocks (not shown in the figure) adapted to the slot 202, and the cap outer plate 7 is installed on the outer side of the hinge 2 through the plurality of slots 202.

Note that the color of the outer surface of the flap outer panel 7 is the same as the color of the outer surface of the rear fender around the position where the flap outer panel 7 is located, and the actuator 5 and the hinge base 102 are located inside the rear fender.

As shown in fig. 1-2, the fuel lid assembly provided in the embodiment of the present application further includes a sealing ring 3, and the sealing ring 3 may be made of rubber, and has elasticity and a shape conforming to the outer shape of the upper surface of the fuel lid box 1, and surrounds the upper edge of the fuel lid box 1. When the opening cover outer plate 7 is closed, the inner surface of the opening cover outer plate 7 is abutted against the sealing ring 3, so that sundries are prevented from entering the oil filler box 1 in the driving process of a vehicle.

The embodiment of the application also provides a vehicle, and the vehicle comprises the oil filler cover assembly. The vehicle may be a plug-in hybrid electric vehicle (PHEV) or an extended range electric vehicle (REEV). When the vehicle opens the oil filler cover, the engine or the motor of the vehicle needs to be closed firstly, then the key for controlling the opening of the oil filler cover is pressed, the motor component 501 is started, the motor of the motor component 501 rotates positively to drive the telescopic rod 504 to retract, the switch 502 is not triggered in the process, and the outer cover plate 7 and the hinge 2 are opened under the action of the second spring 6. After the port cover outer plate 7 and the hinge 2 are opened, the motor of the motor assembly 501 rotates reversely to drive the telescopic rod 504 to extend, the switch 502 is triggered at the moment, and the vehicle control unit indicates the prompt device to send out the prompt of opening the oil filler cover. When the oil filler cover is closed, the outer cover plate 7 of the oil filler cover can be directly closed, the inclined surface 205 at the lower end of the stop block 201 presses the head of the telescopic rod 504 to retract, the switch 502 is triggered at the moment, and the vehicle controller controls the prompting device to stop sending out the prompt of opening the oil filler cover. When the stop block 201 moves downwards to the position-limiting blind hole 204 corresponding to the telescopic rod 504, the telescopic rod 504 is inserted into the position-limiting blind hole 204 under the action of the first spring 505, the switch 502 is not triggered in the process, and the oil filling port cover is locked.

To sum up, this application embodiment provides a filler cap assembly, and telescopic link 504 on the executor 5 can trigger switch 502 when the filler cap is opened and is closed, makes the suggestion device of vehicle send the suggestion that the filler cap opened or closed, guarantees the security of vehicle. Actuator 5 is the one-stroke actuator, and occupation space is less, realizes the switching prompt facility of filler cap through actuator 5, dog 201 and switch 502, has simplified the structure of filler cap assembly, makes filler cap assembly occupy littleer space, easily uses in the motorcycle type of difference, need not to develop the filler cap assembly again, practices thrift development cost. Inclined plane 205 in this application embodiment can press the spherical head of telescopic link 504 and make telescopic link 504 retract, inserts spacing blind hole 204 by first spring 505 drive telescopic link 504 again, need not to realize the mechanical locking of filler cap through motor element 501, and after the lock car, directly pressing flap planking 7 can close and lock the filler cap, need not earlier with the vehicle unblock, easy operation is convenient.

The prompting device referred to in the present application may be a device that can prompt a driver in a vehicle, such as an instrument panel, a center control panel, and a prompting lamp of the vehicle. The application provides a filler cap assembly also can be transplanted the charge port department to the electric motor car. The motor assembly 501 referred to in this application is a customized assembly, and includes a micro motor, a gear, a housing, etc., which can be installed in the housing 503 and move the telescopic rod 504. The switch 502 referred to in this application may be a micro-miniature switch to reduce the space occupied by the actuator 5 and simplify the structure of the filler cap assembly.

In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the present application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A fuel filler cap assembly, comprising: the oil filler box (1), the hinge (2), the mandrel (4), the actuator (5), the hinge seat (102) and the stop block (201);

the hinge base (102) is connected with the outer side of a first side wall of the oil filler box (1), the hinge (2) is hinged on the hinge base (102) through the mandrel (4), and the actuator (5) is installed on the outer side of a second side wall of the oil filler box (1), wherein the second side wall is opposite to the first side wall;

the stop block (201) extends out from the lower surface of one end, far away from the hinge seat (102), of the hinge (2), and the lower end of the stop block (201) is provided with a limiting blind hole (204);

the actuator (5) comprises a motor assembly (501), a switch (502), a housing (503) and a telescopic rod (504), wherein the motor assembly (501) is installed in the housing (503), the telescopic rod (504) penetrates through the motor assembly (501) and the housing (503), the motor assembly (501) is configured to drive the telescopic rod (504) to extend into the oil filler box (1) or retract into the housing (503), when the hinge (2) is closed, the telescopic rod (504) extends out and is inserted into the limit blind hole (204), the telescopic rod (504) triggers the switch (502) to change a switch state in both the extending process and the retracting process, and the switch (502) is suitable for being electrically connected with a vehicle controller, so that an electric signal is output to the vehicle controller when the switch state is changed.

2. The fuel filler cap assembly according to claim 1, wherein an actuator mounting hole (103) is provided on the second side wall of the fuel filler cap (1), a snap (506) is provided on the housing (503), the actuator (5) is mounted to an outer side of the second side wall through the snap (506) and the actuator mounting hole (103), and the telescopic rod (504) protrudes into the fuel filler cap (1) through the actuator mounting hole (103).

3. The oil filler cover assembly according to claim 1, wherein the actuator (5) further comprises a first spring (505), the first spring (505) is a compression spring, an annular baffle (507) is arranged on the telescopic rod (504), and the first spring (505) is arranged between the annular baffle (507) and the inner wall of the motor assembly (501);

the bottom of the stop block (201) is provided with an inclined surface (205), the head of the telescopic rod (504) is spherical, when the hinge (2) is closed, the inclined surface (205) presses the head of the telescopic rod (504), so that the telescopic rod (504) compresses the first spring (505) and is inserted into the blind limiting hole (204).

4. Filler cap assembly according to claim 1, characterized in that the telescopic rod (504) is provided with a protrusion (5041) at its rear, the switch (502) being fixed to the outside of the housing (503), the telescopic rod (504) being able to trigger the switch (502) by means of the protrusion (5041).

5. Filler cap assembly according to claim 1, characterized in that the telescopic rod (504) is provided with a protrusion (5041) in the middle, the switch (502) is fixed inside the housing (503), and the telescopic rod (504) can trigger the switch (502) by means of the protrusion (5041).

6. -oil filler cap assembly according to claim 1, characterized in that it further comprises a second spring (6), said second spring (6) being a torsion spring, said hinge seat (102) being provided with a first flap (101), said spindle (4) being provided with a second flap (401), said second spring (6) being mounted between said first flap (101) and said second flap (401), wherein said second spring (6) is compressed when said hinge (2) is closed.

7. The oil filler cap assembly according to claim 1, further comprising an outer cap plate (7), wherein the hinge (2) is provided with a plurality of slots (202) arranged in the same direction, and the outer cap plate (7) is mounted on the outer side of the hinge (2) through the plurality of slots (202).

8. The fuel filler cap assembly according to claim 7, further comprising a sealing ring (3), said sealing ring (3) surrounding an upper edge of said fuel filler cap (1), wherein said cap outer plate (7) abuts against said sealing ring (3) when said cap outer plate (7) is closed.

9. The fuel filler cap assembly according to claim 1, wherein a first through hole (104) is formed in the hinge base (102), a second through hole (203) is formed in the hinge (2), and the mandrel (4) penetrates through the first through hole (104) and the second through hole (203) to hinge the hinge (2) to the hinge base (102).

10. A vehicle comprising a fuel filler cap assembly as claimed in any one of claims 1 to 9.