CN112319256B

CN112319256B - Automobile charging port assembly

Info

Publication number: CN112319256B
Application number: CN202011196603.5A
Authority: CN
Inventors: 刘雪松; 翟增广; 李华
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2022-03-22
Anticipated expiration: 2040-10-31
Also published as: CN112319256A

Abstract

The invention provides an automobile charging port assembly, which comprises a charging port body with a charging port, a charging port cover mechanism arranged at the charging port, and a driving mechanism arranged on the charging port body and in transmission connection with the charging port cover mechanism, wherein the charging port cover mechanism is provided with a lifting unit capable of lifting in the charging port, and a turning unit arranged on the lifting unit, the turning unit in an initial state is sealed on the lifting unit and can form closing of the charging port along with the lifting unit in a lifting state, and the lifting unit in the lifting state can be driven to descend into the charging port and turn outwards along with the descending turning unit due to the action of the driving mechanism, or the lifting unit in a descending state can be driven to return and can turn inwards along with the returning turning unit to be sealed on the lifting unit. The automobile charging port assembly can avoid the defects of the existing outward-turning charging port cover design, and can provide a novel charging port structure with science and technology senses.

Description

Automobile charging port assembly

Technical Field

The invention relates to the technical field of automobile charging port structures, in particular to an automobile charging port assembly.

Background

To new energy automobile, the mouth that charges on it is mostly the flap design of turning up, and the flap that charges that turns up can shelter from the hand operation sometimes when charging, brings inconvenience for charging. And the great flap that charges of volume turns up moreover, and the people also easily collides with or fish tail flap that charges when unnoticed, and it not only can make the flap that charges receive the damage, produces unnecessary cost of maintenance to also there is the possibility that makes the human body receive the injury, and lead to the customer to complain. In addition, current flap that charges is because the cantilever is longer, and the flap also takes place to warp easily, and then influences the clearance face difference after the flap that charges closes.

Disclosure of Invention

Accordingly, the present invention is directed to a charging port assembly for a vehicle, which provides a new charging port cover and avoids at least some of the disadvantages of the conventional everted charging port cover design.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the utility model provides a car mouthful assembly that charges, is including the mouthful body that charges that is constructed with the mouth that charges, and in the bottom of the mouth that charges is equipped with the through-hole that supplies the mouth socket that charges to expose, car mouthful assembly that charges still includes:

the charging port cover mechanism is arranged at the charging port and is provided with a lifting unit capable of lifting in the charging port and a turning unit arranged on the lifting unit and corresponding to the through hole, the turning unit in an initial state is sealed on the lifting unit, and the turning unit in an initial state can close the charging port along with the lifting unit in a rising state;

the driving mechanism is arranged on the charging port body, is in transmission connection with the charging port cover mechanism, acts as the driving mechanism is connected with an external control signal, the lifting unit in a rising state can be driven to descend towards the charging port, and the overturning unit can be outwards overturned along with descending to expose the through hole, or the lifting unit in a falling state can be driven to return and the overturning unit can be inwards overturned along with returning to seal the lifting unit.

Furthermore, the lifting unit comprises a first flap ring which is slidably arranged in the charging port in a lifting manner, and a second flap ring which is slidably arranged in the first flap ring in a lifting manner, and the overturning unit is arranged on the second flap ring and forms a seal for the second flap ring.

Furthermore, a plurality of first sliding groove supports which extend into the charging port and are provided with first sliding grooves are arranged on the charging port body, a plurality of first sliding plates are arranged on the first cover ring corresponding to the first sliding groove supports, and each first sliding plate is slidably arranged in the corresponding first sliding groove in a penetrating manner, so that the first cover ring can be slidably lifted in the charging port.

Furthermore, a plurality of second sliding groove supports which extend into the charging port and are provided with second sliding grooves are arranged on the first cover ring, a plurality of second sliding plates are arranged on the second cover ring corresponding to the second sliding groove supports, and the second sliding plates are slidably arranged in the corresponding second sliding grooves in a penetrating manner, so that the second cover ring can be slidably lifted on the first cover ring.

Furthermore, the turnover unit comprises a turnover cover which is connected to the second cover ring in a turnover mode, the through hole of the charging opening inner ring is provided with a sleeve which is communicated with the through hole, the turnover cover is turned outwards due to pushing of the sleeve along with descending of the lifting unit, and the turnover cover is configured to be capable of turning inwards to be sealed on the lifting unit along with returning of the lifting unit.

Furthermore, the turnover cover covers are at least two in splicing arrangement, and each turnover cover is connected to the second cover ring through an elastic hinge arm.

Furthermore, actuating mechanism including connect in charge mouthful body with first elastic component between the first flap ring, connect in first flap ring with second elastic component between the second flap ring, and locate charge mouthful body on with the drive assembly that the second flap ring links to each other, just first flap ring with the second flap ring by first elastic component and the pretightning force of second elastic component is located rise the state, and because of drive assembly's the driving can be by the second flap ring moves first flap ring, in order to descend in the charge mouth.

Further, the first elastic member is a first spring connected between the charging port body and the first cover ring, the second elastic member is a second spring connected between the first cover ring and the second cover ring, and the first spring and the second spring are both arranged in a plurality of annular shapes.

Further, drive assembly is including locating the motor on the mouth body that charges, quilt the motor orders about the pivoted and rotates the piece, and connect in rotate the piece with driving medium between the second flap ring, and follow the motor drives it rotates to rotate, the second flap ring because of the tractive of driving medium can drive first flap ring descends.

Furthermore, the rotating part is rotatably arranged on a gear disc on the charging port body, the output end of the motor is provided with a driving wheel meshed with the gear disc, the driving part is a pull wire, one end of the driving part is connected to the gear disc, a plurality of pull wires are arranged on the pull wire, and the other end of each pull wire penetrates through a guide hole formed in the charging port body and is connected with the second port cover ring.

Further, be close to act as go-between with the one end that the toothed disc links to each other, in be equipped with on the mouth body that charges adjacent to the guide roll that the guiding hole was arranged, act as go-between around the warp the guide roll connect in on the toothed disc.

Further, the mouth body that charges includes the casing, fixes locating the fixed flap ring of casing one end to and fix locating the bottom of the casing other end, the through-hole is located on the bottom, and run through the casing setting, first spout support is located on the fixed flap ring, the guiding hole is located on the casing.

Compared with the prior art, the invention has the following advantages:

according to the automobile charging port assembly, the lifting unit descends towards the inside of the charging port, and the overturning unit is overturned along with the descending to expose the charging port socket in the through hole, so that charging can be carried out. In addition, the automobile charging port assembly has better novelty in structure and better technological sense due to the lifting design of the lifting unit and the overturning design of the overturning unit, thereby providing a new charging port cover form.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of an automobile charging port assembly according to an embodiment of the invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of a fixed flap ring according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first cover ring according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a second flap ring according to an embodiment of the present invention;

FIG. 6 is a schematic view of a flip cover according to an embodiment of the present invention;

FIG. 7 is a schematic view of a wedge fit between the flip flap and the second flap ring according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a housing according to an embodiment of the present invention;

FIG. 9 is a schematic view of the structure of FIG. 8 from another perspective;

fig. 10 is a partial enlarged view of a portion a of fig. 9;

fig. 11 is a schematic structural view of a motor and a driving wheel according to an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a gear plate according to an embodiment of the present invention;

FIG. 13 is a schematic view of a gear plate arrangement according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a bottom cover according to an embodiment of the invention;

FIG. 15 is a schematic view of the combination of a fixed flap ring, a first flap ring and a second flap ring according to an embodiment of the present invention;

fig. 16 is a partial enlarged view of portion B of fig. 15;

FIG. 17 is a schematic view of the arrangement of the pulling wire according to the embodiment of the present invention;

FIG. 18 is a schematic structural diagram of a first spring according to an embodiment of the present invention;

FIG. 19 is a schematic structural diagram of a pull cord according to an embodiment of the present invention;

description of reference numerals:

1. fixing the flap ring; 2. a first flap ring; 3. a second flap ring; 4. turning over the cover plate; 5. a housing; 6. a bottom cover; 7. a motor; 8. a driving wheel; 9. a gear plate; 10. a first spring; 11. a pull wire; 12. a second spring;

101. the top is provided with a hole; 102. a first chute support; 103. a first chute; 104. a first semicircular groove;

201. a first opening; 202. a first sliding plate; 203. a second chute support; 204. a second chute; 205. a second semi-circular groove;

301. a second opening; 302. a second sliding plate;

401. an elastic hinge arm;

501. a via hole; 502. a guide hole; 503. a convex plate; 504. a shaft hole; 505. installing a convex ring; 506. a guide roller; 507. a limiting block;

601. a sleeve; 602. a through hole; 603. a projection;

901. and connecting the bumps.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The embodiment relates to a car mouthful assembly that charges, wholly constitutes, and it is including the mouthful body that charges that is constructed with the mouth that charges to be equipped with the through-hole that supplies the mouth socket that charges to expose in the bottom of the mouth that charges, simultaneously, this car mouthful assembly that charges still including locating the flap mechanism that charges mouthful department, and locate the actuating mechanism on the mouthful body that charges, and this actuating mechanism also with charge between the flap mechanism transmission be connected.

The charging port cover mechanism is provided with a lifting unit which can lift in the charging port and a turning unit which is arranged on the lifting unit and corresponds to the through hole, the turning unit in the initial state is sealed on the lifting unit and can form closing of the charging port along with the lifting unit in the lifting state, and the closing is also the non-use state of the charging port of the automobile.

In addition, when the driving mechanism is acted by receiving an external control signal, the lifting unit in the lifting state can be driven by the driving mechanism to descend towards the charging port, and the overturning unit can be overturned along with the descending to expose the through hole so as to enter a charging use state capable of being connected with the socket of the charging port. Alternatively, the lifting unit in the descending state can be driven by the driving mechanism to return, and the lifting unit can be turned inwards along with the return turning unit and then closed on the lifting unit so as to be restored to the non-use state.

Based on the above idea, an exemplary structure of the charging port assembly of the vehicle of the present embodiment is shown in fig. 1 and fig. 2, and at this time, as a preferred embodiment, in this exemplary structure, the charging port body specifically includes a housing 5, a fixed flap ring 1 fixedly disposed at one end of the housing 5, and a bottom cover 6 fixedly disposed at the other end of the housing 5. The through hole 602 is disposed on the bottom cover 6, and the through hole 602 also penetrates through the housing 5, while the charging port is mainly defined by the housing 5 and the fixed cover ring 1 at one end, and the bottom cover 6 mainly plays a role in protection.

In general, the housing 5 can be fixedly connected to the fixed flap ring 1 and the bottom cover 6 at the two ends, and the fixed flap ring is also detachably connected to facilitate the assembly of the charging port assembly and the later maintenance and replacement. However, in addition to the charging port body integrally formed by the housing 5 and the fixed flap ring 1, the charging port body of the present embodiment may have another configuration that satisfies the following respective configurations.

In this embodiment, the lifting unit specifically includes a first flap ring 2 slidably disposed in the charging opening in a lifting manner, and a second flap ring 3 slidably disposed in the first flap ring 2 in a lifting manner, and the turnover unit is disposed on the second flap ring 3 and can close the second flap ring 3.

At this time, as a preferable arrangement of the first flap ring 2 and the second flap ring 3 which are both arranged to be slid and lifted, as shown in fig. 3 to 5, a plurality of first chute brackets 102 which are provided with first chutes 103 and extend into the charging port are provided on the fixed flap ring 1, and a plurality of first sliding plates 202 are also provided on the first flap ring 2 corresponding to the respective first chute brackets 102. Each first sliding plate 202 is arranged in one-to-one correspondence with the first chute brackets 102, and each first sliding plate 202 is slidably inserted into the corresponding first chute 103, thereby constituting sliding lifting of the first flap ring 2 in the charging port.

Similarly to the arrangement of the first flap ring 2, the first flap ring 2 is also provided with a plurality of second chute brackets 203 extending into the charging port and provided with second chutes 204, and the second flap ring 3 is provided with a plurality of second sliding plates 302 corresponding to the second chute brackets 203. Each second sliding plate 302 is also in one-to-one correspondence with the second sliding groove bracket 203, and each second sliding plate 302 is also slidably inserted into the corresponding second sliding groove 204, thereby forming the sliding lifting of the second flap ring 3 on the first flap ring 2.

In addition to the first sliding grooves 103, the first sliding groove brackets 102 of the present embodiment are also provided with concave first semicircular grooves 104 on the outer side end surfaces thereof, and at the same time, the second sliding groove brackets 203 of the first flap ring 2 are also provided with second semicircular grooves 205 on the outer side end surfaces thereof. The first semicircular groove 104 and the second semicircular groove 205 are provided, in particular, to accommodate a first elastic member and a second elastic member, respectively, described below, to thereby facilitate stable arrangement of the respective elastic members within the assembly structure, and the arrangement of the elastic members in the respective semicircular grooves will be described below.

In this embodiment, the fixing flap ring 1 is also provided with a through top opening 101, the top opening 101 is an opening of the whole charging port, and during charging, the charging gun is inserted into the charging port from the opening and then connected with the charging port socket exposed at the through hole 602, so that the charging operation can be performed.

When the lifting unit is in the above-mentioned raised state, the first flap ring 2 is raised to the top opening 101 to form a partial closure to the opening of the top opening 101. Similar to the top opening 101 formed in the fixed flap ring 1, the first opening 201 is also formed in the first flap ring 2, and the second flap ring 3 is lifted to the first opening 201 when in a lifted state, so as to close the opening.

In addition, a second opening 301 is also formed in the second flap ring 3, and the above-mentioned tilting unit is closed at the second opening 301 in the initial state. In this way, the opening portion formed by the top opening 101 can be closed completely, and the pair of top openings, that is, the charging port, can be closed.

In this embodiment, as shown in fig. 6, the above tilting unit specifically includes a tilting flap 4 connected to the edge of the second opening 301 on the second flap ring 3 in a tilting manner, and as a preferred embodiment, the tilting flap 4 is also two that are arranged in a splicing manner. Meanwhile, in the charging port of the present embodiment, the ring through hole 602 is also provided with a sleeve 601, which is connected to the through hole 602 and described below, and at this time, the turnover flap 4 is turned outwards by pushing the sleeve 601 along with the descending of the lifting unit formed by the first flap ring 2 and the second flap ring 3.

The corresponding flip flap 4 is pushed and turned outwards by the sleeve 601 to expose the through hole 602, and the flip flap 4 is configured to be capable of being turned inwards by itself to be sealed on the second flap ring 3 along with the return of the lifting unit in this embodiment. At this time, for the self-inversion of the flip flap 4, as an exemplary implementation, the present embodiment specifically makes each flip flap 4 connected to the second flap ring 3 through the elastic hinge arm 401. The flexible hinge arms 401 are typically made of a flexible and tough plastic material or steel, and are bent as shown in fig. 6 or 7 so that the two ends are connected to the second flap ring 3 and the flip flap 4, respectively.

Of course, in addition to the elastic hinge arm 401 with a simpler structure, the flap 4 of the present embodiment may be disposed on the second flap ring 3 in other forms, so as to be pushed by the sleeve 601 to turn outwards, and to turn inwards to a closed state by itself when returning with the lifting unit. The other arrangement forms can, for example, enable the turnover flap 4 to be rotatably arranged on the second flap ring 3 through an articulated arm and an articulated shaft, and a torsion spring is arranged between the turnover flap 4 and the second flap ring 3 for realizing the self-recovery of the turnover flap 4 to the closed state.

In this embodiment, based on the flip flap 4 being turned outward to expose the through hole 602 and turned inward to return to the closed state, in order to prevent the flip flap 4 from collapsing when turned inward, as shown in fig. 7, the inner edge of the second opening 301 and the outer edge of the flip flap 4 may be in a wedge-shaped fit. Therefore, the inclined wedge surface at the inner edge of the second opening hole 301 is used for limiting the turnover cover 4 and preventing the turnover cover from being turned downwards.

Fig. 8 to 10 show a specific structure of the housing 5 according to this embodiment, the housing 5 is a cylindrical structure with one end open and the other end partially closed, and a through hole 501 is formed at the partially closed end, and the through hole 501 also realizes the penetration of the through hole 602 to the housing 5. In addition, a guide hole 502 and a protruding plate 503 are also provided at one end of the housing 5 having the through hole 501, and a mounting protruding ring 505, a guide roller 506 and a stopper 507 are also provided at the end of the housing 5 at the bottom end surface of the housing 5, and the specific functions of the above features will be described in detail below.

The driving mechanism of the embodiment specifically includes a first elastic member connected between the charging port body and the first flap ring 2, a second elastic member connected between the first flap ring 2 and the second flap ring 3, and a driving assembly connected to the second flap ring 3 and disposed on the charging port body.

The first elastic member is specifically connected between the fixed flap ring 1 and the first flap ring 2, and in this embodiment, the first flap ring 2 and the second flap ring 3 are also in a raised state by the pretightening force of the first elastic member and the pretightening force of the second elastic member. Meanwhile, the driving component drives the first cover ring 2 to be driven by the second cover ring 3 which is connected with the driving component in a transmission way, so that the integral lifting unit descends to the charging port.

In detail, as a preferred embodiment, the above first elastic member is also a first spring 10 connected between the fixed flap ring 1 and the first flap ring 2, the second elastic member is a second spring 12 connected between the first flap ring 2 and the second flap ring 3, and the first spring 10 and the second spring 12 are also a plurality of springs arranged in a ring shape. In a specific arrangement, each first spring 10 is partially received in the first semicircular groove 104, and one end of the first spring 10 connected to the first flap ring 2 is specifically connected to the first sliding plate 202. Similarly to the arrangement of the first spring 10, the second spring 12 is also partially accommodated in the second semicircular groove 205, and the end of the second spring 12 connected to the second flap ring 3 is also connected to the second sliding plate 302.

The arrangement of the first spring 10 and the second spring 12 can be seen in fig. 15 and 16, and as mentioned above, each spring can make the lifting unit and the tilting unit in a lifting state for closing the charging port under the pre-tightening force, and the pull wire 11, which will be described below, is always in a tight state under the pre-tightening force of the spring, and the first flap ring 2, the second flap ring 3 and the tilting flap 4 in the lifting state can be flush with the outer surface of the fixed flap ring 1 by using the following constraint on the rotation angle of the driving assembly.

In the present embodiment, as an exemplary implementation form, the driving assembly as a whole includes a motor 7 disposed on the charging port body, a rotating member driven to rotate by the motor 7, and a transmission member connected between the rotating member and the second flap ring 3.

Along with the rotation of the rotating part driven by the motor 7, the second flap ring 3 can drive the first flap ring 2 to descend due to the traction of the transmission part. At this time, as shown in fig. 11 to 13, the rotating member of the present embodiment is specifically a gear plate 9 rotatably disposed on a mounting convex ring 505 at the bottom of the housing 5, the output end of the motor 7 is also provided with a driving wheel 8 engaged with the gear plate 9, and the driving member is a pulling wire 11 having one end connected to the gear plate 9, the pulling wire 11 is provided with a plurality of pulling wires 11, and the other end of each pulling wire 11 passes through a guiding hole 502 disposed on the charging port body and is connected to the second flap ring 3.

In order to reduce the mutual friction between the wires 11 passing through the guide holes 502 and the housing 5 during sliding, and to reduce the frictional noise, the aforementioned guide rollers 506 disposed adjacent to the guide holes 502 are provided on the housing 5 near the end where the wires 11 are connected to the gear plate 9, and each wire 11 is connected to the gear plate 9 around the corresponding guide roller 506. At this time, in order to connect the wire 11, a connection protrusion 901 is provided on the inner circumferential surface of the gear plate 9, and one end of the wire 11 may be connected to the connection protrusion 901. And when connecting lug 901 rotates along with toothed disc 9, it also can be through the butt with stopper 507 simultaneously to borrow this to realize the spacing to toothed disc 9 rotation degree.

In this embodiment, a shaft hole 504 is also formed in the protruding plate 503 of the housing 5, the motor 7 is mounted and fixed to the protruding plate 503, and the output shaft of the motor 7 is disposed through the shaft hole 504. In addition, corresponding to the convex plate 503, as shown in fig. 14, a protrusion 603 is also provided on the bottom cover 6, and the driver 8 is located at the position of the protrusion 603.

The sleeve 601 of the present embodiment is also located on the bottom cover 6, and after the bottom cover 6 and the housing 5 are assembled, the sleeve 601 also penetrates through the hole 501 and enters the charging port. The charging port assembly of the present embodiment can be assembled as shown in fig. 15 to 17, and the first spring 10 of the present embodiment can be configured as shown in fig. 18, and it can be generally configured as a tension spring. Further, the structure of the wire 11 may be as shown in fig. 19, which is possible using an existing conventional wire product.

The automobile charging port assembly of this embodiment is through making the lift unit descend in to the charging port to make the upset unit turn up along with this decline and make the charging port socket in the through-hole 602 expose, in order can charge the use, compare from this and turn up the design form in current flap of charging, the flap mechanism that charges is located the charging port, alright avoid the not enough of current flap mode of turning up. Simultaneously, the car of this embodiment mouthful assembly that charges, the lift design of its lift unit to and the upset design of upset unit, structurally have better novelty, and the science and technology sense is also better, and then also provides a novel flap form that charges, has fine application prospect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a car mouthful assembly that charges, is including the mouthful body that charges that is constructed with the mouth that charges, and in the bottom of the mouth that charges is equipped with the through-hole (602) that supply the mouth socket that charges to expose, its characterized in that: the car mouth assembly that charges still includes:

the charging port cover mechanism is arranged at the charging port and is provided with a lifting unit capable of lifting in the charging port and a turning unit arranged on the lifting unit and corresponding to the through hole (602), the turning unit in an initial state is sealed on the lifting unit, and the turning unit in an initial state can close the charging port along with the lifting unit in a rising state;

the driving mechanism is arranged on the charging port body, is in transmission connection with the charging port cover mechanism, acts as the driving mechanism is connected with an external control signal, the lifting unit in a lifting state can be driven to descend towards the charging port, and the overturning unit can be outwards overturned along with descending to expose the through hole (602), or the lifting unit in a descending state can be driven to return and the overturning unit can be inwards overturned along with returning to seal the lifting unit.

2. The vehicle charging port assembly as set forth in claim 1, wherein:

the lifting unit comprises a first cover ring (2) which can slide and be arranged in the charging port in a lifting mode, a second cover ring (3) which can slide and be arranged in the first cover ring (2) in a lifting mode, and the overturning unit is arranged on the second cover ring (3) and is sealed by the second cover ring (3).

3. The vehicle charging port assembly as set forth in claim 2, wherein:

a plurality of first sliding groove brackets (102) which extend into the charging port and are provided with first sliding grooves (103) are arranged on the charging port body, a plurality of first sliding plates (202) are arranged on the first cover ring (2) corresponding to the first sliding groove brackets (102), and the first sliding plates (202) are slidably arranged in the corresponding first sliding grooves (103) in a penetrating manner, so that the first cover ring (2) can be lifted in the charging port in a sliding manner.

4. The vehicle charging port assembly as set forth in claim 2, wherein:

a plurality of second sliding groove supports (203) extending into the charging port and provided with second sliding grooves (204) are arranged on the first cover ring (2), a plurality of second sliding plates (302) are arranged on the second cover ring (3) corresponding to the second sliding groove supports (203), and the second sliding plates (302) are slidably arranged in the corresponding second sliding grooves (204) in a penetrating manner, so that the sliding lifting of the second cover ring (3) on the first cover ring (2) can be formed.

5. The vehicle charging port assembly as set forth in claim 2, wherein:

the turnover unit comprises a turnover cover (4) which is connected to the second cover ring (3) in a turnover mode, the through hole (602) of the charging opening inner ring is provided with a sleeve (601) communicated with the through hole (602) and descends along with the lifting unit, the turnover cover (4) turns outwards due to pushing of the sleeve (601), and the turnover cover (4) is configured to return along with the lifting unit and can turn inwards to be sealed on the lifting unit.

6. The vehicle charging port assembly as set forth in claim 5, wherein:

the turnover port covers (4) are at least two in splicing arrangement, and the turnover port covers (4) are connected to the second port cover ring (3) through elastic hinge arms (401).

7. The vehicle charging port assembly as recited in any one of claims 2 to 6, wherein:

actuating mechanism including connect in charge mouthful body with first elastic component between first flap ring (2), connect in first flap ring (2) with second elastic component between second flap ring (3), and locate charge on the mouthful body with the drive assembly that second flap ring (3) link to each other, just first flap ring (2) with second flap ring (3) by first elastic component reaches the pretightning force of second elastic component is located the state of rising, and because of drive assembly's driving can by second flap ring (3) drive first flap ring (2), with to descend in the charging port.

8. The vehicle charging port assembly as set forth in claim 7, wherein:

the first elastic piece is a first spring (10) connected between the charging port body and the first cover ring (2), the second elastic piece is a second spring (12) connected between the first cover ring (2) and the second cover ring (3), and the first spring (10) and the second spring (12) are arranged in a plurality of annular shapes.

9. The vehicle charging port assembly as set forth in claim 7, wherein:

drive assembly is including locating motor (7) on the mouth body charges, quilt motor (7) order about the pivoted and rotate the piece, and connect in rotate the piece with driving medium between second mouth lid ring (3), and follow motor (7) drive rotate the piece rotates, second mouth lid ring (3) because of the tractive of driving medium can drive first mouth lid ring (2) descend.

10. The vehicle charging port assembly of claim 9, wherein:

the rotating part is arranged on the charging port body in a rotating mode, a gear disc (9) is arranged on the charging port body, an output end of the motor (7) is provided with a driving wheel (8) meshed with the gear disc (9), one end of the transmission part is connected with a pull wire (11) on the gear disc (9), the pull wire (11) is provided with a plurality of pull wires, and the other end of each pull wire (11) penetrates through a guide hole (502) formed in the charging port body and is connected with the second port cover ring (3).

11. The vehicle charging port assembly as set forth in claim 10, wherein:

close to draw line (11) with the one end that toothed disc (9) link to each other, in be equipped with on the mouth body of charging adjacent to guide roll (506) that guiding hole (502) were arranged, draw line (11) around the warp guide roll (506) connect in on toothed disc (9).

12. The vehicle charging port assembly as set forth in claim 10, wherein:

the charging port body comprises a shell (5), a fixed port cover ring (1) and a fixed bottom cover (6), wherein the fixed port cover ring (1) is fixedly arranged at one end of the shell (5), the fixed bottom cover (6) is fixedly arranged at the other end of the shell (5), a through hole (602) is formed in the bottom cover (6) and penetrates through the shell (5), a first sliding groove support (102) is arranged on the fixed port cover ring (1), and a guide hole (502) is formed in the shell (5).