CN211543283U

CN211543283U - Bearing structure and charging mechanism

Info

Publication number: CN211543283U
Application number: CN201922498219.XU
Authority: CN
Inventors: 曹伟; 田连刚; 王钰鸣; 李德胜; 张育铭
Original assignee: National Innovation Energy Automobile Intelligent Energy Equipment Innovation Center Jiangsu Co Ltd
Current assignee: Guochuang Mobile Energy Innovation Center Jiangsu Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a technical field that charges, concretely relates to bearing structure and charging mechanism. A support structure, comprising: a swing arm having a support end; the lifting assembly drives the swing arm to lift; and the deflection component I drives the lifting component to deflect. By arranging the supporting structure comprising the swing arm, the lifting assembly and the deflection assembly, the lifting and deflection movement of the supporting end of the swing arm can be realized, the three-dimensional movement of the supporting end can be realized, and the connector can be conveniently driven to be in butt joint with the charging connector; in addition, the support structure supports the charging end, is not fixed with the vehicle and does not increase the weight of the vehicle. The charging mechanism solves the technical problems that the self weight of the automobile is increased and the butt joint is inconvenient in the charging mechanism in the prior art.

Description

Bearing structure and charging mechanism

Technical Field

The utility model relates to a technical field that charges, concretely relates to bearing structure and charging mechanism.

Background

The development of the automatic driving and automatic parking technology, unattended automatic charging, becomes a necessary trend for the development of the branch operation of the electric automobile. The automatic charging system has the advantages that parking spaces on two sides of a road and the like are limited and are suitable for discrete charging piles, the automatic charging system is completely unmanned and automatically charged in the automatic charging process of the electric automobile, and the vehicle parking situation is not discrete at the same time in the automatic charging process, so that the discrete charging situation of the charging port is divided into the situations, and the principle of reducing the cost of charging facilities is combined with the robot technology to automatically plug and charge the electric automobile, so that the automatic charging system has great significance.

Currently, chassis type automatic charging is mainly classified into two types according to connector types: the non-contact automatic charging is mainly represented by wireless charging which has the following defects: the energy transmission efficiency is low because the energy loss due to the inherent coil heating is very severe and is inevitable by the principle; the effective charging area is small, the efficiency is greatly reduced when the charging area is increased, the charging area also depends on the sizes of the coils of the charging end and the receiving end, and the input-output ratio of the charging area increased by the coils is increased to be more than 1; the detection method has the advantages that the detection method has the defects in the aspect of safety, the magnetic field generated in the charging process is high in power, so that an iron object can be liquefied, the liquefied iron object can break through a panel of a charging plate to cause accidents such as combustion, discharge and the like, the existing detection technology cannot achieve the effect of complete detection, living body detection can only be performed on large animals, and the product is greatly damaged; electromagnetic radiation worries about that the electromagnetic radiation generated in the charging process has great harm to human bodies, hair of the human bodies can fall off slightly, and casualties can be generated seriously. Therefore, the advantages of wireless charging are obvious, but the disadvantages cannot be avoided, and large-scale application cannot be carried out at present.

The other type is the automatic charging of the contact type chassis, and the automatic charging of the contact type chassis is divided into three conditions:

1. the method for placing the movement mechanism on the charging automobile has the main defects that the dead weight of the automobile is increased, the cruising ability of the automobile is reduced, a special ground is needed, and the overall cost of the scheme is overhigh;

2. the power receiving end or the vehicle-mounted end and the charging end are butted and move simultaneously to be butted, the method has the main advantages that the complexity of the mechanism is simplified, the range of the butting height is increased, the cost increase caused by the method is large, the improvement of power or efficiency cannot be generated, and the method is not suitable for popularization;

3. the charging end is upwards butted with the receiving end or the vehicle-mounted end, the main representative is a Volterio movement mechanism, but the butting connector structure is too complicated.

Therefore, there is a need for a charging device that can accommodate a movement from ground to a battery charging dock for an electrically powered vehicle, so that accurate charging is accomplished by movement of spatial location and is relatively simple in construction, cost-effective, and widely available.

SUMMERY OF THE UTILITY MODEL

In order to solve the dead weight that the charging mechanism among the prior art has increased the car, the technical problem of inconvenient butt joint, the utility model provides a bearing structure and charging mechanism have solved above-mentioned technical problem. The technical scheme of the utility model as follows:

a support structure, comprising: a swing arm having a support end; the lifting assembly drives the swing arm to lift; and the deflection component I drives the lifting component to deflect.

By arranging the supporting structure comprising the swing arm, the lifting assembly and the deflection assembly, the lifting and deflection movement of the supporting end of the swing arm can be realized, the three-dimensional movement of the supporting end can be realized, and the connector can be conveniently driven to be in butt joint with the charging connector; in addition, the support structure supports the charging end, is not fixed with the vehicle and does not increase the weight of the vehicle.

Further, the swing arm includes articulated one-level arm and second grade arm each other, the one end of one-level arm with lifting unit connects, the other end of one-level arm with the one end of second grade arm is articulated, the second grade arm is deflected by the drive of II beat subassemblies, II beat subassemblies include beat driving piece II and worm gear subassembly, and beat driving piece II and worm set up in the one-level arm, the worm wheel drives the second grade arm for the one-level arm deflects.

Furthermore, the worm wheel drives the secondary arm to deflect through gear transmission, the worm wheel is coaxially connected with a driving gear, the secondary arm is elastically connected with a driven gear, and the driving gear is meshed with the driven gear.

Furthermore, the supporting end of the swing arm is provided with an elastic supporting seat, the supporting end of the swing arm is provided with a groove, the elastic supporting seat comprises a rotating seat and a core seat, the rotating seat is rotatably arranged in the groove, the core seat extends into the rotating seat to form movable fit, and an elastic part is further arranged between the core seat and the rotating seat.

Furthermore, a deflection driving piece III for driving the rotating seat to deflect is arranged on the swing arm, a transverse limiting piece is arranged in the rotating seat, the core seat is provided with a vertical limiting hole matched with the limiting piece, the rotating seat drives the core seat to rotate through the limiting piece, and the core seat can slide and deflect relative to the rotating seat.

Further, a protection piece is connected between the swing arm and the lifting assembly, and when the swing arm is in a storage state, the protection piece protects the elastic supporting seat.

Further, the lifting assembly comprises a screw rod transmission pair and a lifting driving piece for driving the screw rod transmission pair, the screw rod transmission pair is arranged on the plate, and the plate is further provided with a rotation stopping structure.

Further, the plate is assembled on the base by rotating, and beat subassembly I includes beat driving piece I, beat driving piece I drives the plate for the base beat.

The lifting assembly is arranged on the shell, the shell covers the lifting assembly and swings along with the lifting assembly, a dustproof plate is arranged on the shell, and a sliding groove for the dustproof plate to penetrate through is arranged on the lifting assembly.

A charging mechanism comprising: a support structure; the connector is supported by the supporting end of the swing arm and is in butt joint with the charging connector through the adjustment of the swing arm.

Based on the technical scheme, the utility model discloses the technological effect that can realize does:

1. the utility model discloses a supporting structure, including swing arm, lifting unit and beat subassembly, can realize the lift and the beat motion of the support end of swing arm, can realize the three-dimensional motion of support end, conveniently drive the accurate butt joint of connector and charge the joint; in addition, the support structure supports the charging end, is not fixed with the vehicle and does not increase the weight of the vehicle;

2. the swing arm comprises a primary arm and a secondary arm which are hinged with each other, the deflection driving piece II and the worm are arranged in the primary arm, the effect of protecting the deflection driving piece II and the worm can be achieved, and the swing arm can be folded for storage; furthermore, a protection piece is arranged between the swing arm and the lifting assembly, the supporting end of the swing arm can be just stored below the protection piece when the swing arm is in a folding and storing state, and the protection piece can play a role in protecting the supporting end of the swing arm and the connector on the swing arm;

3. the supporting structure of the utility model, the supporting end of the swing arm is provided with the elastic supporting seat, the rotating seat can drive the core seat to rotate relative to the swing arm, the core seat can slightly move up and down and sway relative to the rotating seat, when the connector is connected on the core seat, the upward and downward movement and the sway can be realized, and the fine adjustment of the position of the connector can be realized; in addition, an elastic part is arranged between the core seat and the rotating seat, so that the device adapts to the yaw angle, the pitch angle and the roll angle of the automobile, and the stability of the charging equipment is improved;

4. the supporting structure of the utility model is provided with the deflection component to drive the lifting component to deflect, the lifting component on the shell is conveniently covered by the shell, the dustproof plate is arranged on the shell, a relatively sealed space can be formed inside to protect the lifting component in the shell, the connection between the cantilever and the lifting component is not influenced, and the structure is protected effectively;

5. the utility model discloses a charging mechanism has realized the motion demand that the vehicle charges through lift assembly and two-stage swing subassembly, has simplified charging equipment's mechanism, has improved the space restriction of equipment itself, keeps the parallel and the current receiving unit coupling of contact element to realized the simple stability of control method, the mechanism end sets up self-adaptation mechanism, has adapted to car self yaw angle, pitch angle, roll angle, has improved charging equipment's stability, thereby has practiced thrift the cost; the placing positions can be the front, the rear, the left side and the right side of the vehicle, and the vehicle can be placed in a parking space range due to small volume, so that the environment adaptation is flexible and the usability is high; the visibility of charging can be improved when placed on the side of the vehicle; under the state that does not charge, the connector contracts the assigned position in the equipment entirely, and holistic protectiveness is better, and accomodate the nature and is good.

Drawings

Fig. 1 is a schematic structural view of a charging mechanism of the present invention;

FIG. 2 is a schematic structural view of the lifting assembly and the deflection assembly I with the housing removed;

FIG. 3 is a partial cross-sectional view of the deflection assembly I;

FIG. 4 is a schematic structural view of a swing arm;

FIG. 5 is a schematic view of an elastic support seat;

FIG. 6 is a cross-sectional view of the resilient support;

FIG. 7 is a schematic structural view of a cartridge;

fig. 8(a) -8 (c) are process diagrams of the charging mechanism being stowed;

in the figure: 1-swinging arm; 11-primary arm; 12-a secondary arm; 121-support end; 2-a lifting assembly; 21-a lifting drive member; 22-a screw rod; 23-a lifting block; 231-an adaptor; 232-linear bearing; 24-a guide post; 25-a transmission assembly; 251-a driving wheel; 252-a drive belt; 253-driven wheels; 3-a deflection component I; 31-a deflection driving piece I; 32-gear; 4-a housing; 41-front case; 411-display panel; 42-a rear housing; 43-dust guard; 5-a guard; 6-deflection assembly

II, II; 61-a yaw drive member II; 62-a worm gear assembly; 621-worm; 622-worm gear; 63-a gear assembly; 631-a drive gear; 632-driven gear; 6321-elastomeric buffer; 64-an extension bar; 7-an elastic support seat; 71-a rotating base; 72-a core print; 721-vertical limiting holes; 722-a limit boss; 73-an elastic member; 74-a bearing; 75-a stop; 8-a yaw drive member III; 81-push plate; 9-a connector; 101-a plate; 1011-upper plate; 1012-lower plate; 1013-a support plate; 102-a base; 103-a rotator; 1031-outer ring; 1032-inner ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1-8, this embodiment provides a supporting structure, which includes a swing arm 1, a lifting assembly 2 and a deflection assembly 3, wherein the lifting assembly 2 drives the swing arm 1 to lift, the deflection assembly 3 drives the lifting assembly 2 and the swing arm 1 thereon to wholly deflect, and one end of the swing arm 1 far away from the lifting assembly 2 is a supporting end 121, so that a three-dimensional motion of the supporting end 121 can be realized.

Swing arm 1 includes articulated one-level arm 11 and second grade arm 12 each other, and the one end and the lifting unit 2 of one-level arm 11 are connected, and the other end of one-level arm 11 is articulated with the one end of second grade arm 12, and the other end of second grade arm 12 is for supporting end 121. Second grade arm 12 deflects relative to first grade arm 11 under the drive of beat subassembly II 6, specifically, beat subassembly II 6 includes beat driving piece II 61 and worm gear subassembly 62, worm gear subassembly 62 includes worm 621 and worm wheel 622, first grade arm 11 can set to hollow structure, beat driving piece II 61 and worm 621 hold in first grade arm 11, beat driving piece II 61 drives the worm 621 and rotates, worm wheel 622 meshes with worm 621 and rotates under the drive of worm 621, worm wheel 622 drives second grade arm 12 and swings. Preferably, the deflection driving member ii 61 is connected to the worm 621 through an extension bar 64, that is, one end of the extension bar 64 is connected to the driving end of the deflection driving member ii 61, and the other end of the extension bar 64 is connected to the worm 621; preferably, the worm gear 622 drives the secondary arm 12 to swing through the gear assembly 63, specifically, the worm gear 622 is coaxially connected with a driving gear 631, the secondary arm 12 is elastically linked with a driven gear 632, and the driving gear 631 is engaged with the driven gear 632. Further preferably, a connecting portion extends from a side portion of the driven gear 632, the connecting portion is connected to the secondary arm 12, and an elastic buffer 6321 is disposed between the connecting portion and the secondary arm 12. The elastomeric bumper 6321 is optionally but not limited to elastomeric. The yaw drive II 61 may alternatively be, but not limited to, an electric motor.

The support end 121 of the secondary arm 12 is provided with a resilient support 7 for flexibly supporting the connector 9. Specifically, the supporting end 121 has a circular groove, the elastic supporting seat 7 is rotatably disposed in the groove, the elastic supporting seat 7 includes a rotary seat 71 and a core seat 72, the rotary seat 71 is rotatably connected to the supporting end 121 through a bearing 74, the lower end of the core seat 72 extends into the rotary seat 71, and the core seat 72 is movably connected to the rotary seat 71. Further, two vertical limiting holes 721 are symmetrically distributed on the side wall of the core print 72, an annular limiting protrusion 722 extends from the base of the core print 72, two ends of the limiting member 75 penetrate through the two vertical limiting holes 721 to be connected with the rotating print 71, the vertical limiting holes 721 can be selected but not limited to long holes, the limiting member 75 can be selected but not limited to limiting pins, and through the connection, the core print 72 can slightly move up and down or swing off relative to the rotating print 71 to realize fine adjustment. Preferably, an elastic member 73 is further disposed between the core print 72 and the rotary print 71, the elastic member 73 is sleeved on a side wall of the core print 72, one end of the elastic member 73 acts on the core print 72, and the other end of the elastic member 73 acts on the rotary print 71.

The swing arm 1 is also provided with a deflection driving piece III 8 for driving the rotating seat 71 to deflect, and the deflection driving piece III 8 extends and retracts to drive the rotating seat 71 to deflect. Specifically, the deflection driving member iii 8 is hinged to the secondary arm 12, the telescopic end of the deflection driving member iii 8 is hinged to the connecting plate 81, the connecting plate 81 is fixedly connected to the rotating seat 71, and the rotating seat 71 is driven to deflect by the telescopic end of the deflection driving member iii 8. The yaw drive III 8 may be selected from, but not limited to, a pneumatic cylinder.

The swing arm 1 is driven by the lifting assembly 2 to lift, the lifting assembly 2 comprises a lifting driving piece 21 and a lead screw transmission pair, the lead screw transmission pair comprises a lead screw 22 and a lifting block 23, the lifting block 23 is directly or indirectly matched with the lead screw 22, namely, an internal thread can be arranged in the lifting block 23 to be directly meshed with the lead screw 22, or the lifting block 23 is matched with the lead screw 22 through a screw sleeve. Further, in order to prevent the rotation of the lifting block 23, a rotation preventing structure is further provided, wherein the rotation preventing structure includes a guide post 24, and the lifting block 23 slides along the guide post 24 to prevent the rotation of the lifting block 23. Specifically, the lifting block 23 is slidably connected to the two guide posts 24 through the linear bearing 232, and the two guide posts 24 are symmetrically distributed on two sides of the screw rod 22. The lifting driving part 21 drives the screw rod 22 to rotate through the transmission component 25, the transmission component 25 comprises a driving wheel 251, a transmission belt 252 and a driven wheel 253, the driving wheel 251 is connected with the driving end of the lifting driving part 21, the driving wheel 251 rotates under the driving of the lifting driving part 21, the driving wheel 251 drives the driven wheel 253 to rotate through the transmission belt 252, and the driven wheel 253 is fixedly sleeved at one end of the screw rod 22 to drive the screw rod 22 to rotate. The lift drive 21 is optionally but not limited to a motor.

More specifically, the lifting assembly 2 is installed on the plate 101, the plate 101 includes an upper plate 1011, a lower plate 1012 and a support plate 1013, the upper plate 1011 and the lower plate 1012 are arranged in parallel, two ends of the screw rod 22 are respectively rotatably arranged on the upper plate 1011 and the lower plate 1012, two ends of the guide post 24 are respectively connected with the upper plate 1011 and the lower plate 1012, the support plate 1013 is vertically arranged, and two ends of the support plate are respectively connected with the upper plate 1011 and the lower plate 1012, so as to play a role of stable support. The lifting driving member 21 is disposed on the upper plate 1011, and its driving end extends above the upper plate 1011 to connect with the transmission assembly 25.

Preferably, the lifting block 23 of the lifting assembly 2 is connected to the swing arm 1 through the adaptor 231 and the protection member 5, specifically, the adaptor 231 is fixedly connected to the lifting block 23, one end of the adaptor 231, which is far away from the lifting block 23, is fixedly connected to the protection member 5, and the other end of the protection member 5 is fixedly connected to the primary arm 11. Further preferably, a protection area is formed below the protection part 5, and when the secondary arm 12 is folded and stored relative to the primary arm 11, the elastic support seat 7 and the connector 9 thereon can be positioned in the protection area.

The swing assembly I3 drives the lifting assembly 2 and the swing arm 1 thereon to swing integrally, the swing assembly I3 comprises a swing driving piece I31, a lower plate 1012 in the plate 101 is rotatably installed on the base 102, and the swing driving piece 31 drives the plate 101 to rotate relative to the base 102. Specifically, the yaw driving member i 31 is mounted on the lower plate 1012, a driving end of the yaw driving member i 31 penetrates through the lower plate 1012 and is sleeved with the gear 32, the base 102 is sleeved with the rotator 103, the rotator 103 comprises an outer ring 1031 and an inner ring 1032 which can rotate mutually, teeth are distributed on the periphery of the outer ring 1031 and are meshed with the gear 32, the inner ring 1032 is fixedly sleeved on the base 102, the base 102 can be fixedly connected with the ground, and when the yaw driving member i 31 works, the plate 101 and the lifting assembly 2 thereon can be driven to rotate relative to the base 102. The deflection assembly I3 is optional but not limited to a motor.

In order to protect the supporting structure, a housing 4 is further provided, the housing 4 includes a front housing 41 and a rear housing 42, a lower end of the housing 4 is fixedly connected to the lower plate 1012, the housing 4 covers the lifting assembly 2 and swings with the lifting assembly 2, a display panel 411 is provided on the front housing 41 to display an operating state of the supporting structure, and a window is further formed on the front housing 41 to facilitate connection of the lifting block 23 and the swing arm 1. Preferably, window department is provided with dust guard 43, is formed with the sliding tray on the adaptor 231, and dust guard 43 can pass the sliding tray, and dust guard 43 can play the effect of protection inner structure, and does not influence the elevator 23 and drive swing arm 1 and go up and down.

The present embodiment also provides a charging mechanism comprising the above-mentioned support structure and a connector 9, wherein the connector 9 is arranged on the support end 121 of the swing arm 1. Specifically, the connector 9 is fixedly connected to the upper surface of the core seat 72 of the elastic supporting seat 7, so that the connector 9 can be driven to move three-dimensionally to butt the charging plug.

When the charging mechanism is not required to be used, the charging mechanism can be folded and stored as shown in fig. 8. As shown in fig. 8(a), the swing arm 1 can be folded and stored, so that the supporting end 121 and the connector 9 thereon are located below the protection member 5, as shown in fig. 8 (b); then through the subassembly I3 that deflects, make plate 101 drive the swing arm 1 motion on it to the state with the length direction collineation of base 102, realize accomodating, as shown in fig. 8 (c).

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A support structure, comprising:

a swing arm (1), the swing arm (1) having a support end (121);

the lifting assembly (2) drives the swing arm (1) to lift;

and the deflection component I (3) drives the lifting component (2) to deflect.

2. A support structure as claimed in claim 1, characterized in that said oscillating arm (1) comprises a primary arm (11) and a secondary arm (12) articulated with each other, one end of said primary arm (11) being connected to said lifting assembly (2), the other end of said primary arm (11) being articulated to one end of said secondary arm (12), said secondary arm (12) being driven to deflect by a yaw assembly ii (6), said yaw assembly ii (6) comprising a yaw drive ii (61) and a worm and gear assembly (62), said yaw drive ii (61) and a worm (621) being arranged inside said primary arm (11), said worm gear (622) driving said secondary arm (12) to deflect with respect to said primary arm (11).

3. A support structure according to claim 2, wherein the worm gear (622) is geared to deflect the secondary arm (12), the worm gear (622) is coaxially connected with a driving gear (631), the secondary arm (12) is elastically connected with a driven gear (632), and the driving gear (631) is engaged with the driven gear (632).

4. A support structure according to any one of claims 1-3, wherein the support end (121) of the swing arm (1) is provided with a resilient support (7), the support end (121) of the swing arm (1) is slotted, the resilient support (7) comprises a rotary seat (71) and a core seat (72), the rotary seat (71) is rotatably mounted in the slot, the core seat (72) extends into the rotary seat (71) to form a movable fit, and a resilient member (73) is provided between the core seat (72) and the rotary seat (71).

5. A supporting structure as claimed in claim 4, wherein the swing arm (1) is provided with a yaw driving element III (8) for driving the rotating base (71) to deflect, a transverse limiting element (75) is disposed in the rotating base (71), the core base (72) is provided with a vertical limiting hole (721) matched with the limiting element (75), the rotating base (71) drives the core base (72) to rotate through the limiting element (75), and the core base (72) can slide and yaw relative to the rotating base (71).

6. A support structure according to claim 4, wherein a guard (5) is further connected between the swing arm (1) and the lifting assembly (2), the guard (5) protecting the resilient support (7) when the swing arm (1) is in the stowed condition.

7. A supporting structure as claimed in claim 1, wherein the lifting assembly (2) comprises a screw transmission pair and a lifting driving member (21) for driving the screw transmission pair, the screw transmission pair is arranged on the plate (101), and the plate (101) is further provided with a rotation stopping structure.

8. A support structure as claimed in claim 7, wherein the plate member (101) is pivotally mounted to a base (102), and the yaw assembly I (3) comprises a yaw drive member I (31), the yaw drive member I (31) driving the plate member (101) to yaw relative to the base (102).

9. A supporting structure according to claim 1, further comprising a housing (4), wherein the housing (4) covers the lifting assembly (2) and swings with the lifting assembly (2), a dust-proof plate (43) is disposed on the housing (4), and a sliding groove for the dust-proof plate (43) to pass through is disposed on the lifting assembly (2).

10. A charging mechanism, comprising:

the support structure of any one of claims 1-9;

the connector (9) is supported by the supporting end (121) of the swing arm (1), and the swing arm (1) is used for adjusting a butt joint charging joint.