CN215322082U - Driving device and charging mechanism - Google Patents

Abstract

The utility model relates to the field of charging piles, in particular to a driving device and a charging mechanism, wherein the driving device comprises: a linear module fixedly assembled; the driving module is arranged on the linear module and driven by the linear module to slide, the driving module comprises at least two groups of driving modules and a connecting rod assembly, the connecting rod assembly comprises at least two connecting rods, one ends of the two connecting rods are respectively hinged with the two groups of driving modules, the other ends of the two connecting rods are hinged with each other, bearing parts are formed at the hinged positions, and the bearing parts are driven by the two driving modules to perform deflection action and/or linear movement. The charging device solves the technical problems that in the prior art, the charging device is complex in structure, the cable is bent for multiple times, and therefore fatigue damage is easy to occur.

Description

Driving device and charging mechanism

Technical Field

The utility model relates to the field of charging piles, in particular to a driving device and a charging mechanism.

Background

In the technical field of new energy, a charging gun needs to be axially fed to butt an electric vehicle for charging, and automatic charging equipment of the electric vehicle needs to adjust the direction of a charging insertion opening according to the parking position of the vehicle and then carries out axial insertion charging. The automatic charging device has the advantages that parking spaces on two sides of a road and the like are limited and the automatic charging device is suitable for the discrete charging pile, the automatic charging device is completely unmanned and has the characteristic of automatic charging for the electric automobile, and the vehicle parking situation in the automatic charging process is not discrete at the same time, the charging port position is separated into situations.

At present, mechanical arm type automatic charging equipment for electric automobiles mainly comprises three types: an xyz three-axis coordinate type automatic charging mechanical arm, a special-shaped automatic charging mechanical arm and a joint type automatic charging mechanical arm.

Regarding the special-shaped automatic charging mechanical arm, for example, Tesla Motors, a famous electric vehicle manufacturer in the united states, provides a snakelike vehicle automatic charging mechanical arm, adopts articulated automatic charging, and is high in precision, high in processing and installation cost, too high in manufacturing cost, and not suitable for large-scale popularization.

Regarding articulated automatic charging arm, a plurality of arms superpose and form arm joint form, and the structure is complicated, and equipment cost is too high, and its series control associativity is big, and the series control precision has the accumulative error big.

Regarding the existing XYZ three-axis coordinate type automatic charging robot arm, similar to the XYZ three-axis movement platform or the XYZ three-axis robot arm, there are the following problems:

the XYZ three-axis needs to be provided with a driving structure, and has the problems of large occupied space, high maintenance cost, complex protection and the like.

2. The cable needs to move in three directions of XYZ, which makes the cable arrangement difficult, and in addition, the cable is bent in three directions of XYZ, and thus is easily damaged by fatigue.

3. Accurate counterpoint is needed when inserting with the charging connector that drive arrangement is connected, needs the drive structure at the three direction of XYZ multiple movement.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that a charging device in the prior art is complex in structure, causes multiple bending of a cable and is prone to fatigue damage, the utility model provides a driving device and a charging mechanism, and the technical problem is solved. The technical scheme of the utility model is as follows:

a drive device, comprising: a linear module fixedly assembled; the driving module is arranged on the linear module and driven by the linear module to slide, the driving module comprises at least two groups of driving modules and a connecting rod assembly, the connecting rod assembly comprises at least two connecting rods, one ends of the two connecting rods are respectively hinged with the two groups of driving modules, the other ends of the two connecting rods are hinged with each other, bearing parts are formed at the hinged positions, and the bearing parts are driven by the two driving modules to perform deflection action and/or linear movement.

According to an embodiment of the utility model, the two connecting rods are respectively a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the driving end of one group of the driving modules, one end of the second connecting rod is hinged to the driving end of the other group of the driving modules, and the non-hinged ends of the first connecting rod and the second connecting rod are fixedly connected with the bearing piece.

According to one embodiment of the utility model, the first connecting rod is a parallel four-bar connecting rod, one side of the parallel four-bar connecting rod is fixedly connected with the bearing piece, and the other end of the second connecting rod is hinged with the fixed end of the parallel four-bar connecting rod.

According to one embodiment of the utility model, the driving modules are arranged in two groups, and the two groups of driving modules are symmetrically arranged on two sides of the bearing piece.

According to an embodiment of the utility model, further comprising a support assembly, the support assembly comprising:

the first supporting piece is fixedly assembled on the linear module, and one end of the cable is accommodated in the first supporting piece; and the second supporting piece is fixedly connected with the fixed support, and the other end of the cable penetrates through the second supporting piece to be connected with the bearing piece.

According to an embodiment of the utility model, the cable fixing device further comprises a guide member fixedly assembled with the fixing bracket, and the cable enters the second support member after being guided by the guide member.

According to one embodiment of the utility model, the guide is provided as a roller, which is located below the second support, the roller partially protruding in the radial direction from the end face of the second support.

A charging mechanism comprising the above-mentioned driving device; and the charging connector is driven by the driving device to reciprocate along different directions.

According to an embodiment of the present invention, the charging connector includes: the male end of the connector comprises a male end guide sleeve and at least one male end electrode holder arranged in the male end guide sleeve, and an elastic contact finger is configured on the male end electrode holder; female end of connector, female end of connector include with public end uide bushing complex female end uide bushing is placed in with interior at least one female end electrode holder of female end uide bushing, the configuration electrode ring on the female end electrode holder, the electrode ring touches the finger electricity with the elasticity that corresponds and is connected.

According to one embodiment of the utility model, the male electrode holder is of a concave stepped structure, the female electrode holder is of a convex stepped structure, and the convex stepped structure and the concave stepped structure are inserted into each other to form a tight fit.

According to one embodiment of the utility model, the male end of the connector is fixedly connected with the parallel four-bar linkage by means of a limiting spring.

Based on the structure, the utility model can realize the technical effects that:

1. the driving device comprises a linear module and a driving module, wherein the linear module is fixedly assembled; the driving module is arranged on the linear module and driven by the linear module to slide, the driving module comprises at least two groups of driving modules and a connecting rod assembly, the connecting rod assembly comprises at least two connecting rods, one ends of the two connecting rods are respectively hinged with the two groups of driving modules, the other ends of the two connecting rods are mutually hinged, bearing parts are formed at the hinged positions, and the bearing parts are driven by the two driving modules to deflect and/or linearly move. Set up actuating mechanism respectively in X, Y, Z three directions among the prior art, still need set up the adaptor cooperation simultaneously, just can realize bearing the piece and move in three direction, make drive arrangement complicated like this, occupation space is big, the maintenance cost is high, and this application drives through sharp module and bears the piece and move in X direction, through the same operation of two drive module, and realize bearing the motion of piece in Y direction with the help of link assembly, two drive module's inequality operation, and realize bearing the motion of piece in Z direction with the help of link assembly, this application has simplified the ascending drive structure of an side, make the device simplistic.

2. The connecting rod assembly comprises a first connecting rod and a second connecting rod, wherein the first connecting rod is arranged into a parallel four-bar connecting rod, one side of the parallel four-bar connecting rod is fixedly connected with a bearing piece, the other end of the second connecting rod is hinged with the fixed end of the parallel four-bar connecting rod, and when the bearing piece moves in the YZ direction under the driving of the first connecting rod and the second connecting rod, the included angle between the bearing piece and the Y direction is kept unchanged.

3. The two groups of driving modules are symmetrically arranged on the two sides of the bearing piece, so that the stress balance of the bearing piece is ensured, and the phenomenon that the precision of the matching of the bearing piece and a matching piece is poor due to the fact that one side of the bearing piece is stressed and the other side of the bearing piece is not stressed and deflected is avoided.

4. The driving device also comprises a guide part, the guide part is fixedly assembled with the fixed support, the cable enters the second support part after being guided by the guide part, the guide part is arranged into a roller, the roller is positioned below the second support part, the part of the roller protrudes out of the end surface of the second support part in the radial direction, and the bending part of the cable is in arc transition by arranging the roller at the contact part of the cable and the second support part, so that the service life of the cable is prolonged, and meanwhile, the roller can play a role in bearing the cable.

5. The utility model also provides a charging mechanism, which comprises a driving device and a charging connector, wherein the charging connector reciprocates in different directions under the driving of the driving device to supply power to a power receiving device, the charging connector comprises a male connector end and a female connector end, the male connector end is electrically connected with the female connector end after being contacted, specifically, the male connector end comprises a male end guide sleeve and at least one male electrode seat arranged in the male end guide sleeve, an elastic contact finger is arranged on the male electrode seat, the female connector end comprises a female end guide sleeve matched with the male end guide sleeve and at least one female electrode seat arranged in the female end guide sleeve, an electrode ring is arranged on the female electrode seat, after the male connector end is inserted into the female connector end, the electrode ring is electrically connected with the corresponding elastic contact finger so as to electrically connect the male connector end with the female connector end, and the elastic contact finger and the electrode ring can be electrically connected after being contacted, thus, precise positioning of the male end of the connector and the female end of the connector is not required to form an electrical connection.

Drawings

FIG. 1 is a schematic structural diagram of a linear module;

FIG. 2 is a schematic view of an assembly structure of the sliding pair and the fixed bracket;

FIG. 3 is a schematic structural diagram of a driving module;

FIG. 4 is a schematic view of the mating arrangement of the support assembly, guide, fixing bracket and cable;

FIG. 5 is a schematic view of the engagement of the guide member with the second load bearing member;

FIG. 6 is a schematic structural diagram of a charging mechanism;

FIG. 7 is a schematic view of the male end of the connector;

FIG. 8 is a schematic view of the female end of the connector;

FIG. 9 is a schematic structural view of the female terminal electrode holder;

FIG. 10 is a schematic view of an electrode ring assembly;

in the figure:

1-a linear module; 11-a base; 111-grooves; 12-a first drive member; 13-sliding pair; 131-a slide tube; 132-a slider; 14-a position sensor; 2-a driving module; 21-fixing a bracket; 211-a base plate; 22-a drive module; 221-a second driver; 222-a connector; 2221-a limit notch; 23-a connecting-rod assembly; 231-a first link; 232-a second link; 24-a carrier; 3-a support assembly; 31-a second support; 311-connecting plate; 32-a first support; 4-a guide; 5-a cable; 6-a charging connector; 61-connector male end; 611-male end guide sleeve; 6111-first guide; 612-male terminal electrode holder; 6121-inner guide slope; 62-connector female end; 621-female end guide sleeve; 622-female terminal electrode holder; 6221-mounting grooves; 6222-electrode ring; 6223-outer guide ramp; 6224-a second guide; 7-limiting spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. 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 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.

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 unless specifically stated otherwise. 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 is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, 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 simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered 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 the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 10, the driving apparatus of the present embodiment includes a linear module 1 and a driving module 2, the linear module 1 being fixedly assembled; the driving module 2 is arranged on the linear module 1 and is driven by the linear module 1 to slide, the driving module 2 comprises at least two groups of driving modules 22 and connecting rods 23, the connecting rod assembly 23 comprises at least two connecting rods, one ends of the two connecting rods are respectively hinged with the two groups of driving modules 22, the other ends of the two connecting rods are mutually hinged and form bearing parts 24 at the hinged positions, and the bearing parts 24 are driven by the two driving modules 22 to perform deflection action and/or linear movement.

In the embodiment, the linear module 1 moves to drive the driving module 2 and the bearing piece 24 thereon to move in the X direction, the two driving modules 22 operate in the same manner, the connecting rod assembly 23 is used for realizing the linear movement of the bearing piece 24 in the Y direction, the two driving modules 22 operate in different manners, and the connecting rod assembly 23 is used for realizing the deflection movement of the bearing piece 24 in the Z direction.

In the prior art, the driving mechanisms are respectively arranged in X, Y, Z three directions, so that the bearing piece 24 can move in three directions, and the driving device has a complex structure, large occupied space and high maintenance cost.

And this embodiment is through the same setting of operation or inequality setting with two sets of drive module 2 to realize that carrier 24 moves in two directions of YZ, this application has simplified the ascending drive structure of an orientation, makes drive arrangement simple structure, and then makes cable 5 arrange the simplification, has avoided the secondary bending of cable 5, and then makes cable 5 life extension.

Further, the drive module 2 of this embodiment sets up to two sets of, and two sets of drive module 2 symmetries set up in the both sides that hold carrier 24, have guaranteed like this that hold carrier 24 atress balance, avoid because of one side atress, the opposite side does not receive the force and deflects, and then has guaranteed the precision when holding carrier 24 and the cooperation of fitting piece.

As shown in fig. 1-2, the linear module 1 of the present embodiment drives the driving module 2 and the supporting member 24 to reciprocate in the X direction, specifically, the linear module 1 includes a first driving member 12, base 11 and sliding pair 13, be formed with recess 111 on the base 11, first driving piece 12 is fixed and is assembled in the one end of recess 111, first driving piece 12 drives sliding pair 13 and the device reciprocating motion on it through the driving medium, the driving medium sets up to the belt pulley transmission in this embodiment, sliding pair 13 includes slider 132 and slide pipe 131, slide pipe 131 is fixed and is set up in the both sides of base 11, two sets of slide pipe 131 parallel arrangement, slider 132 slides and assembles on slide pipe 131, slider 132 is fixed connection with bottom plate 211 of fixed bolster 21, the belt is fixed connection with bottom plate 211, first driving piece 12 drives the belt pulley and rotates, the rotation of belt pulley drives slider 132 and the device reciprocating motion on it along slide pipe 131 seats. The first driving member 12 can be selected from, but not limited to, a motor, and can drive the sliding block 132 to move.

Further, in the present embodiment, the in-place sensors 14 are disposed at two ends of the total stroke of the linear module 1, so as to prevent the slider 132 and the device thereon from exceeding the stroke during linear motion, the in-place sensors 14 may adopt one or more combinations of proximity switches, such as a photoelectric switch, a micro switch, a hall sensor, and the like, the difference is that the arrangement positions are different, and the reliability of the motion of the driving device in the X direction is ensured by using the in-place sensors 14 and the control system of the motor in combination and verifying each other.

As shown in fig. 3, the driving module 22 of the present embodiment drives the link assembly 23 to move in two directions YZ, specifically, in the present embodiment, two sets of driving modules 22 are disposed in parallel in the direction Z, the driving module 22 includes a second driving member 221, a screw-nut pair and a connecting member 222, one side of the connecting member 222 is fixedly connected to the nut, one end of the connecting member 222 is hinged to the link assembly 23, the second driving member 221 is configured as a motor, the motor rotates to drive the screw to rotate, the rotation of the screw drives the nut and the connecting member 222 thereon to reciprocate, when the rotation speeds of the two motors are the same, the link assembly 23 can be driven to carry the bearing member 24 to move linearly along the direction Y, and when the rotation speeds of the two motors are different, the link assembly 23 can be driven to carry the bearing member 24 to swing along the direction Z. The second driving member 221 may be, but not limited to, a motor, and can drive the connecting member 222 to move.

Preferably, the connecting member 222 of the present embodiment is provided with a U-shaped position-limiting notch 2221 at the hinged end, so that the hinged end of the connecting rod assembly 23 is deflected by a certain angle and then abuts against the connecting member 222 to be limited.

As shown in fig. 3, the two links of the present embodiment are respectively configured as a first link 231 and a second link 232, in the present embodiment, the first link 231 and the second link 232 are equal in length, one end of the first link 231 is hinged with one of the connecting pieces 222, one end of the second link 232 is hinged with the other connecting piece 222, and the non-hinged ends of the first link 231 and the second link 232 are fixedly connected with the carrier 24, so that the two hinged points and one fixed point form a triangle, so that the carrier 24 is subjected to symmetrical pushing force and can be kept motionless during movement.

Further, the first link 231 of the present embodiment is configured as a parallel four-bar link, one side of the parallel four-bar link is fixedly connected to the bearing member 24, and the other end of the second link 232 is hinged to the fixed end of the parallel four-bar link, and is in surface-to-surface contact with respect to a point, and the fixed connection of the parallel four-bar link and the bearing member 24 forms surface-to-surface contact, so that when the link assembly 23 pushes the bearing member 24 to move, the link assembly 23 and the bearing member 24 can be prevented from being damaged due to excessive local stress.

As shown in fig. 4 and 5, the driving device of the present embodiment further includes a supporting component 3, the supporting component 3 can support and accommodate the cable 5, specifically, the supporting component 3 includes a first supporting member 32 and a second supporting member 31, one end of the first supporting member 32 is fixedly assembled on the U-shaped groove 111, the other end of the first supporting member 32 is fixedly connected to the bottom plate 211, one end of the cable 5 is accommodated in the first supporting member 32, so that the first supporting member 32 and the cable 5 can slide together along with the sliding of the bottom plate 211, the second supporting member 31 is fixedly connected to the fixed bracket 21, the other end of the cable 5 passes through the second supporting member 31 to be connected to the carrier 24, the second supporting member 31 is connected to the two connecting members 222 by means of the connecting plate 311, so that the second supporting member 31 and the cable 5 can move together along with the movement of the connecting members 222, the sliding of the cable 5 relative to the supporting component 3 is reduced by the above manner, thereby reducing friction.

Further, the driving device of this embodiment still includes guide 4, guide 4 and fixed bolster 21 fixed mounting, reentrant second support piece 31 after cable 5 leads through guide 4, guide 4 sets up to the gyro wheel, the gyro wheel is located the below of second support piece 31, the gyro wheel is at the terminal surface of radial direction part protrusion second support piece 31, through set up the gyro wheel in cable 5 and second support piece 31 contact department, make the department of buckling of cable 5 by the circular arc transition, be favorable to prolonging the life-span of cable 5 like this, the gyro wheel still can play the effect of bearing cable 5 simultaneously.

As shown in fig. 6, 7, 8, 9 and 10, the present embodiment further provides a charging mechanism, which includes the above-mentioned driving device and a charging connector 6, wherein the charging connector is driven by the driving device to reciprocate along different directions, specifically, the charging connector 6 includes a male connector end 61 and a female connector end 62, the male connector end 61 is fixedly connected to the connecting rod assembly 23, the male connector end 61 includes a male end guide sleeve 611 and at least one male electrode holder 612 embedded in the male end guide sleeve 611, the male electrode holder 612 is configured with elastic contact fingers, the female connector end 62 includes a female end guide sleeve 621 matched with the male end guide sleeve 611 and at least one female electrode holder 622 embedded in the female end guide sleeve 621, an electrode ring 6222 is configured on the female electrode holder 622, the electrode ring 22 is assembled in the mounting groove 6221, when the second driving member 221 drives the connecting rod assembly 23, so that the male connector end 61 is inserted into the female connector end 62, the electrode rings 6222 are electrically connected to the corresponding elastic contact fingers so that the connector male end 61 and the connector female end 62 are electrically connected.

Further, the male electrode holder 612 of the present embodiment is configured as an inward concave stepped structure, the inward concave structure may form an accommodation space, so that the female electrode holder 622 is conveniently inserted, the stepped structure has a limiting property, so that connection errors of the positive electrode, the negative electrode, the ground electrode and the communication electrode can be avoided, in addition, an inner guiding inclined plane 6121 is formed on an inner wall of at least one step surface of the male electrode holder 612, so that a plane having no angle relatively can reduce friction force between the male electrode holder 612 and the female electrode holder 622 during insertion, preferably, one end of the male guiding sleeve 611 fixedly assembled with the male electrode holder 612 extends out of the first guiding element 6111, and the first guiding element 6111 is configured as an inclined shape, so that the male electrode holder 612 is conveniently inserted into the female electrode holder 622,

in order to mate with the male electrode holder 612 in an opposite sliding manner, as shown in fig. 8 and 9, the female electrode holder 622 of this embodiment is of an outward convex stepped structure, so that the outward convex stepped structure and the inward concave stepped structure form a tight fit after being plugged in an opposite manner; an outer guide inclined plane 6223 corresponding to the inner guide inclined plane 6121 is formed on the outer wall of at least one step surface of the female terminal electrode holder 622, so that the inner guide inclined plane 6121 and the outer guide inclined plane 6223 are in sliding fit for guiding in the inserting process of the male terminal electrode holder 612 and the female terminal electrode holder 622; in addition, the insertion end of the female electrode holder 622 extends out of the second guide 6224, and the second guide 6224 is disposed in an inclined shape, so that the female electrode holder 622 can be inserted into the male electrode holder 612.

The non-insertion end of the female electrode holder 622 of this embodiment is provided with a female guide sleeve 621, the female guide sleeve 621 is arranged to be detachably connected with the non-insertion end of the female electrode holder 622, so that the replacement and maintenance are convenient, the female guide sleeve 621 is arranged to be horn-shaped, the male guide sleeve 611 conveniently extends into the female guide sleeve 621, and the female guide sleeve 621 can play a role in guiding the movement of the male end 61 of the connector

Preferably, the male connector end 61 of the present embodiment is fixedly connected to the four parallel links by the limiting spring 7, and when the male connector end 61 is inserted into the female connector, if the alignment is not correct, i.e. the male connector end 61 abuts against one side of the female connector, the male connector end 61 can compress the limiting spring 7 to move in the direction opposite to the insertion direction, so as to avoid rigid contact between the male connector end 61 and the female connector end 62.

Based on the above structure, the operating principle of the driving device and the charging mechanism of the present embodiment is as follows:

when charging is needed, the first driving member 12 drives the sliding block 132 and the upper fixing bracket 21 thereof to move in the X direction, then the first driving member 12 stops rotating, the second driving member 221 starts to operate, and the two driving modules 22 operate identically or differently, so as to drive the connecting rod assembly 23 and the connector male end 61 thereon to move in the Y, Z direction, so as to adjust the position of the connector male end 61, and enable the connector male end 61 to contact with the connector female end 62 to form an electrical connection, thereby supplying power to the power receiving device.

When the charging operation needs to be stopped, the second driving element 221 reversely rotates, and the two driving modules 22 are the same, so as to drive the link assembly 23 and the male connector end 61 thereon to retreat in Y, so that the male connector end 61 is separated from the female connector end 62, and the first driving element 12 drives the slider 132 and the upper fixing bracket 21 thereof to move in the X direction, so as to perform the next charging operation.

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 within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (11)

1. A drive device, comprising:

the linear module (1), the said linear module (1) is fixed and assembled;

the driving module (2) is arranged on the linear module (1) and driven by the linear module (1) to slide, the driving module (2) comprises at least two groups of driving modules (22) and a connecting rod assembly (23), the connecting rod assembly (23) comprises at least two connecting rods, one ends of the two connecting rods are respectively hinged to the two groups of driving modules (22), the other ends of the two connecting rods are hinged to each other, bearing pieces (24) are formed at the hinged positions, and the bearing pieces (24) are driven by the two driving modules (22) to deflect and/or linearly move.

2. A drive arrangement according to claim 1, wherein the two links are a first link (231) and a second link (232), respectively, one end of the first link (231) being hinged to the drive end of one of the sets of drive modules (22), one end of the second link (232) being hinged to the drive end of the other set of drive modules (22), the non-hinged ends of the first link (231) and the second link (232) being fixedly connected to the carrier (24).

3. A drive arrangement according to claim 2, wherein the first link (231) is arranged as a four-bar parallel link, one side of which is fixedly connected to the carrier (24) and the other end of which is hingedly connected to a fixed end of the four-bar parallel link (232).

4. A drive arrangement as claimed in claim 3, characterized in that the drive modules (2) are arranged in two groups, two groups of drive modules (2) being arranged symmetrically on both sides of the carrier (24).

5. A drive arrangement according to claim 4, further comprising a support assembly (3), the support assembly (3) comprising:

the first supporting piece (32), the first supporting piece (32) is fixedly assembled on the linear module (1), and one end of the cable (5) is accommodated in the first supporting piece (32);

the second supporting piece (31), the second supporting piece (31) is fixedly connected with the fixed support (21), and the other end of the cable (5) penetrates through the second supporting piece (31) to be connected with the bearing piece (24).

6. A drive arrangement according to claim 5, further comprising a guide (4), the guide (4) being fixedly mounted to the stationary support (21), the cable (5) being guided by the guide (4) and entering the second support (31).

7. A drive arrangement according to claim 6, characterised in that the guide (4) is provided as a roller which is located below the second support (31), the roller partly protruding in the radial direction over the end face of the second support (31).

8. A charging mechanism comprising a drive device according to any one of claims 3 to 7;

the charging connector (6) is driven by the driving device to reciprocate along different directions.

9. A charging mechanism according to claim 8, characterized in that the charging connector (6) comprises:

the male connector end (61) comprises a male end guide sleeve (611) and at least one male end electrode holder (612) arranged in the male end guide sleeve (611), and elastic contact fingers are configured on the male end electrode holder (612);

female end of connector (62), female end of connector (62) include with female end uide bushing (621) of public end uide bushing (611) complex is with interior place in at least one female end electrode holder (622) of female end uide bushing (621), configuration electrode ring (6222) on female end electrode holder (622), electrode ring (6222) are touched to indicate with the elasticity that corresponds and are connected electrically.

10. The charging mechanism as claimed in claim 9, wherein the male electrode holder (612) is a concave ladder structure, the female electrode holder (622) is a convex ladder structure, and the convex ladder structure and the concave ladder structure are inserted into each other to form a tight fit.

11. A charging mechanism according to claim 10, characterized in that the male connector end (61) is fixedly connected to the four parallel links by means of a restraining spring (7).

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