CN213151238U

CN213151238U - Linkage mechanism and electric connector plugging mechanism

Info

Publication number: CN213151238U
Application number: CN202021026357.4U
Authority: CN
Inventors: 张�诚; 李鹏飞; 刘�文
Original assignee: Blue Valley Smart Beijing Energy Technology Co Ltd
Current assignee: Blue Valley Smart Beijing Energy Technology Co Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-05-07
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a link gear and electric connector plug mechanism, link gear includes: a base; an actuating portion including a transmission assembly of a pivot and a link, the actuating portion supported above the base by the transmission assembly; the actuating part moves relative to the base in the vertical direction and the horizontal direction to approach the base under the action of external force; and the actuating part further comprises an elastic piece, and the elastic piece prompts the actuating part to reset after the external force is removed. Therefore, the base is matched with the actuating part, the electric connecting device is installed on the actuating part, and then the battery pack and the electric connecting device can be quickly and accurately butted together, so that the charging time of the battery pack can be shortened, the charging efficiency of the battery pack can be improved, and the aim of automatically charging the battery pack can be fulfilled.

Description

Linkage mechanism and electric connector plugging mechanism

Technical Field

The utility model belongs to the technical field of the vehicle and specifically relates to a link gear and have this link gear's electric connector plug mechanism is related to.

Background

In the related art, an electric vehicle is driven into a battery replacement station to replace a power battery, and after the power battery is detached from a vehicle body, the power battery is placed on a battery rack in the battery replacement station and is charged on the battery rack.

However, the user needs to manually butt the power battery with the electrical connection device to charge the power battery, and the power battery cannot be quickly and accurately connected with the electrical connection device, so that the charging time of the power battery is prolonged, the charging efficiency of the power battery is affected, and the physical strength of the user is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a linkage mechanism, wherein the electric connecting device is installed on the actuating portion of the linkage mechanism, and the battery pack and the electric connecting device can be quickly and accurately butted together, so as to improve the charging efficiency of the battery pack and also achieve the purpose of automatically charging the battery pack.

The utility model discloses an electric connector plug mechanism is further provided.

According to the utility model discloses a link gear includes: a base; an actuating portion including a transmission assembly of a pivot and a link, the actuating portion supported above the base by the transmission assembly; the actuating part moves relative to the base in the vertical direction and the horizontal direction to approach the base under the action of external force; and the actuating part further comprises an elastic piece, and the elastic piece prompts the actuating part to reset after the external force is removed.

According to the utility model discloses a link gear, through base and the cooperation of actuating portion, electric connection device installs the back in actuating portion, can make battery package and electric connection device dock together fast, accurately, can shorten the charge time of battery package to can promote the charge efficiency of battery package, and, also can realize the automatic work purpose of charging to the battery package.

In some examples of the present invention, the plurality of the connecting rods of the transmission assembly are arranged in parallel with each other, and the plurality of the connecting rods are connected to the base and the support member of the actuating portion through the pivot.

In some examples of the invention, the transmission assembly comprises: a plurality of first connecting rods which are obliquely connected between the base and the supporting piece of the actuating part, and the first connecting rods are pivotally connected with the base and the supporting piece through the pivot shafts.

In some examples of the invention, the actuating portion, the first link and the base form a non-statically determinate structure, as seen in a lateral direction of the linkage.

In some examples of the invention, the non-statically determinate structure is a parallelogram structure.

In some examples of the invention, the elastic member includes: the second connecting rod is obliquely connected to the same side of the base and the actuating part, and the actuating part is driven to reset by a spring sleeved outside the second connecting rod.

In some examples of the invention, the one end of the second connecting rod is connected with the actuating part through a connecting rod, the connecting rod is provided with a relative rotary sleeve for the connecting rod to rotate, the second connecting rod passes through the rotary sleeve, and the rotary sleeve is relative to the second connecting rod to slide.

In some examples of the invention, the other end of the second link is connected to the base through a bearing.

In some examples of the invention, the outer surface of the second connecting rod is provided with a stop member, and the spring sleeve is located on the second connecting rod and is located between the stop member and the connecting rod.

In some examples of the present invention, the transmission assembly further comprises: the connecting bracket is arranged on the actuating part and connected with the connecting rod.

In some examples of the invention, the support of the actuating portion is provided with a universal ball; the support is configured as a frame structure.

In some examples of the invention, the external force is a force of a battery pack exerted on the actuation portion.

According to the utility model discloses an electric connector plug mechanism, including foretell link gear.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of an electrical connector plugging mechanism according to an embodiment of the present invention;

fig. 2 is a side view of an electrical connector plugging mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating the actuating portion of the plugging mechanism of the electrical connector being pressed downward by an external force according to the embodiment of the present invention;

fig. 4 is an assembly view of the base, the support member, the first connecting rod, the second connecting rod and the connecting bracket of the electrical connector plugging mechanism according to the embodiment of the present invention;

fig. 5 is an assembly view of the base, the support member and the first link of the electrical connector plugging mechanism according to the embodiment of the present invention;

fig. 6 is an assembly schematic view of a second link, a connecting rod, a bearing, a spring and a stop of the electrical connector plugging mechanism according to an embodiment of the present invention;

fig. 7 is a flow chart of an in-place detection method according to an embodiment of the present invention;

fig. 8 is a schematic diagram of the battery pack and the electrical connector plugging mechanism on the battery rack.

Reference numerals:

an electrical connector plugging mechanism 700;

a base 701;

a support 702; a lightening hole 7021;

a drive assembly 703; a first link 7031; a pivot 7032; an elastic member 7033; a second link 7034; a connecting rod 7035; a bearing 7036; a spring 7037; a stop 7038; a connecting bracket 7039;

an electrical connection means 704; an electrical connector mounting frame 7041; an electrical connector 7042; a seal 7043;

a microswitch 705; an actuating portion 706; a universal ball 707; a linkage 710;

battery holder 601, battery package (power battery) 10.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

An electrical connector plugging mechanism 700 according to an embodiment of the present invention is described below with reference to fig. 1 to 8.

As shown in fig. 1 to 7, an electrical connector plugging mechanism 700 according to an embodiment of the present invention includes: a linkage 710 and an electrical connection 704. The linkage 710 includes a base 701 and an actuating portion 706, the actuating portion 706 includes a transmission assembly 703 formed by a pivot 7032 and a connecting rod, and the actuating portion 706 is supported above the base 701 through the transmission assembly 703, it can also be understood that the actuating portion 706 is disposed above the base 701, the transmission assembly 703 is supported between the base 701 and the actuating portion 706, and preferably, the actuating portion 706 is movably supported above the base 701 through the cooperation of the pivot 7032 and the connecting rod. The electrical connection device 704 is used to charge the battery pack 10, and the electrical connection device 704 is fixed to the actuator 706, that is, the electrical connection device 704 is fixed to the actuator 706, and the actuator 706 is subject to an external force, such as: when the actuator 706 is subjected to a downward external force, the actuator 706 drives the electrical connection device 704 to move in the vertical direction i and the horizontal direction ii relative to the base 701 to approach the base 701. It should be noted that the actuating portion 706 further includes an elastic element 7033, after the external force is removed from the actuating portion 706, the elastic element 7033 urges the actuating portion 706 to reset, and under the action of the elastic element 7033, the actuating portion 706 drives the electrical connection device 704 to move relative to the base 701 and away from the base 701 in the vertical direction i and the horizontal direction ii simultaneously, that is, the actuating portion 706 can move to the initial position, where it is noted that the vertical direction i is the up-down direction in fig. 1, and the horizontal direction ii is the direction perpendicular to the up-down direction in fig. 1.

When the electric automobile is started to the battery replacing station to replace the battery pack 10, the battery replacing mobile device conveys the battery pack 10 to the battery transfer device after detaching the power battery from the automobile body, then the battery transfer device places the battery pack 10 on the battery frame 601, and the battery pack 10 is charged on the battery frame 601. Specifically, as shown in fig. 8, the electrical connector plugging mechanism 700 is disposed on the battery rack 601, the battery transportation device places the power battery on the actuating portion 706 of the linkage mechanism 710 of the electrical connector plugging mechanism 700, under the action of gravity of the battery pack 10, the actuating portion 706 drives the electrical connection device 704 to move relative to the base 701 in the vertical direction i and the horizontal direction ii to approach the base 701, during the downward movement of the actuating portion 706, the electrical connection device 704 and the actuating portion 706 move towards the battery pack 10 in the horizontal direction, and then the electrical connection device 704 is butted with the battery pack 10, so as to achieve the purpose of charging the battery pack 10. The battery pack 10 and the electric connecting device 704 can be quickly and accurately butted together by the arrangement, the charging time of the battery pack 10 can be shortened, the charging efficiency of the battery pack 10 can be improved, the working steps of manually butting the battery pack 10 and the electric connecting device 704 by a user can be omitted, the physical strength of the user can be saved, and the working purpose of automatically charging the battery pack 10 can be realized.

Therefore, through the cooperation of the base 701 and the actuating part 706, after the battery pack 10 is placed on the battery rack 601, the battery pack 10 and the electric connecting device 704 can be quickly and accurately butted together, the charging time of the battery pack 10 can be shortened, the charging efficiency of the battery pack 10 can be improved, the working purpose of manually butting the battery pack 10 and the electric connecting device 704 by a user can be omitted, the physical strength of the user can be saved, and the working purpose of automatically charging the battery pack 10 can be realized.

In some embodiments of the present invention, as shown in fig. 1, the electrical connector plugging mechanism 700 may further include: a micro switch 705, the micro switch 705 is used for detecting whether the electric connecting device 704 is in place. Wherein, the micro switch 705 can be arranged at one side of the electric connecting device 704, during the downward movement of the actuating part 706, the micro switch 705 moves downward along with the electric connecting device 704 in the vertical direction i and the horizontal direction ii, when the micro switch 705 is triggered, for example: the micro switch 705 is triggered when contacting the battery frame 601, the micro switch 705 detects that the electric connection device 704 is in butt joint with the battery pack 10, and the industrial personal computer controls the electric connection device 704 to start charging the battery pack 10. When micro-switch 705 is not triggered, for example: when the micro switch 705 is not in contact with the battery rack 601, the micro switch 705 detects that the electric connection device 704 is not in butt joint with the battery pack 10, the actuating part 706 continues to move downwards, the actuating part 706 stops continuing to move downwards until the micro switch 705 is triggered, and the industrial personal computer controls the electric connection device 704 to start charging the battery pack 10.

In some embodiments of the present invention, as shown in fig. 1, a plurality of connecting rods of the transmission assembly 703 are arranged in parallel with each other, and the plurality of connecting rods are connected with the supporting member 702 of the base 701 and the actuating portion 706 through the pivot 7032, after the battery pack 10 is placed on the supporting member 702 of the actuating portion 706, the plurality of connecting rods are arranged in parallel with each other and connected between the supporting members 702 of the base 701 and the actuating portion 706, so as to ensure that the supporting member 702 can move toward the base 701, and also to make the movement of the supporting member 702 more stable, and to ensure that the electrical connection device 704 can be butted with the battery pack 10, thereby ensuring the operational reliability of the electrical connector plugging mechanism 700.

In some embodiments of the present invention, as shown in fig. 1, the transmission assembly 703 may include: a plurality of first links 7031 (i.e. links), the first links 7031 are obliquely connected between the base 701 and the support 702 of the actuating portion 706, it should be explained that the number of the first links 7031 may be four, as shown in fig. 1, in a direction from top to bottom, the four first links 7031 are all extended from the front to the back, and the plurality of first links 7031 are all pivotally connected to both the base 701 and the support 702 through pivots 7032, and after the battery pack 10 is placed on the support 702 of the actuating portion 706, the first links 7031 are obliquely connected between the base 701 and the support 702 of the actuating portion 706, so that the support 702 can be ensured to move relative to the base 701 in the vertical direction i and the horizontal direction ii to approach the base 701 at the same time, and the electrical connection device 704 can be ensured to be abutted against the battery pack 10, thereby ensuring the operational reliability of the electrical connector plugging mechanism 700.

In some examples of the present invention, the actuating portion 706, the first link 7031, and the base 701 form a non-statically determinate structure as viewed in a lateral direction of the linkage 710. The non-statically determinate structure refers to a structure that moves under an external force, for example, when the actuator 706 is pressed downwards, the actuator 706 and the first link 7031 move relative to the base 701.

In some embodiments of the present invention, as shown in fig. 1 and 6, the elastic member 7033 may include: the second connecting rod 7034 and the second connecting rod 7034 are obliquely connected to the same side of the base 701 and the actuating portion 706, and it should be explained that, as shown in fig. 1, in the direction from top to bottom, the second connecting rod 7034 extends from the front to the back and upwards, the lower end of the second connecting rod 7034 is connected to the base 701, the upper end of the second connecting rod 7034 is connected to the supporting member 702 of the actuating portion 706, a spring 7037 is sleeved outside the second connecting rod 7034, and the actuating portion 706 is urged to return by the spring 7037 sleeved outside the second connecting rod 7034. Wherein, after the battery pack 10 is placed on the support 702, the support 702 moves towards the base 701, the spring 7037 is compressed to have elasticity, and after the battery pack 10 is lifted on the support 702, the support 702 is urged to move away from the base 701 under the elasticity of the spring 7037, so that the actuating part 706 moves to the initial position.

In some embodiments of the present invention, as shown in fig. 1 and 6, one end of the second connecting rod 7034 can be connected to the actuating portion 706 through a connecting rod 7035, the other end of the second connecting rod 7034 can be connected to the base 701 through a bearing 7036, the bearing 7036 can be a ball bearing 7036, it should be noted that the upper end of the second connecting rod 7034 is connected to the actuating portion 706 through the connecting rod 7035, the connecting rod 7035 can be provided with a rotating sleeve rotatable with respect to the connecting rod 7035, the upper end of the second connecting rod 7034 passes through the rotating sleeve, and the rotating sleeve is slidable with respect to the second connecting rod 7034. Wherein, the upper end of the second connecting rod 7034 can be provided with a limit screw, which can limit the connecting rod 7035, and can prevent the upper end of the second connecting rod 7034 from sliding out of the rotating sleeve, thereby ensuring the assembly reliability of the electric connector plugging mechanism 700. And when the supporting member 702 moves towards the base 701, the rotating sleeve simultaneously slides forwards and downwards along the second connecting rod 7034, and when the supporting member 702 moves away from the base 701, the rotating sleeve simultaneously slides backwards and upwards along the second connecting rod 7034, and the second connecting rod 7034 can play a guiding role on the connecting rod 7035, so that the connecting rod 7035 can slide along the second connecting rod 7034 together with the supporting member 702, and the supporting member 702 can reciprocate in a fixed track.

In some embodiments of the present invention, as shown in fig. 1 and 6, the outer surface of the second link 7034 can be provided with a stop 7038, the stop 7038 can be disposed at a middle position of the second link 7034, the stop 7038 can be disposed in an annular configuration, the spring 7037 can be disposed on the second link 7034, and the spring 7037 can be disposed between the stop 7038 and the connecting rod 7035. Wherein, the stop part 7038 and the connecting rod 7035 can both limit the spring 7037, after the battery pack 10 is placed on the support 702, when the support 702 moves towards the base 701, the rotating sleeve simultaneously slides forwards and downwards along the second connecting rod 7034, at the moment, the spring 7037 is compressed and has elasticity, and after the battery pack 10 is taken up from the support 702, the rotating sleeve simultaneously slides backwards and upwards along the second connecting rod 7034 under the action of the elasticity of the spring 7037, so that the actuating part 706 is reset.

In some embodiments of the present invention, as shown in fig. 1 and 4, the transmission assembly 703 may further include: a connection bracket 7039, the connection bracket 7039 being disposed on an upper surface of the support member 702 of the actuator portion 706, and the connection bracket 7039 being connected to the connection rod 7035, the connection bracket 7039 having a bottom plate connected to the support member 702, an electrical connection device 704 connected to the bottom plate, and a connection plate connected to the connection rod 7035, the arrangement being such that the support member 702 and the electrical connection device 704, the support member 702, and the connection rod 7035 are connected together.

In some embodiments of the utility model, as shown in fig. 1, the support piece 702 of actuating portion 706 can be provided with universal ball 707, universal ball 707 can set up to cow eye bearing 7036, universal ball 707 can be used to support battery package 10, universal ball 707 can rotate to arbitrary direction relative support piece 702, battery package 10 is placed on support piece 702 and is contacted the back with universal ball 707, can reduce the frictional force between battery package 10 and the support piece 702, universal ball 707 can lead battery package 10, can be convenient for electric connecting device 704 to move to battery package 10, thereby do benefit to battery package 10 and electric connecting device 704 butt joint.

In some embodiments of the present invention, as shown in fig. 1, the supporting member 702 may be configured as a frame structure, the frame structure has a weight-reducing hole 7021, the weight-reducing hole 7021 has a weight-reducing effect, so as to reduce the weight of the supporting member 702, and reduce the weight of the electrical connector plugging mechanism 700, thereby facilitating the lightweight design of the electrical connector plugging mechanism 700, and also enabling the supporting member 702 to have a simple structure, thereby facilitating the production of the supporting member 702.

In some embodiments of the present invention, as shown in fig. 1, the electrical connection device 704 may include: an electrical connector mounting frame 7041 and an electrical connector 7042, the electrical connector mounting frame 7041 may be disposed on the support 702 of the actuation portion 706, it is noted that the electrical connector mounting frame 7041 is disposed on the connection bracket 7039, the electrical connector 7042 may be disposed on the electrical connector mounting frame 7041, and the electrical connector 7042 is adapted to interface with the battery pack 10. The front end of the electrical connector mounting frame 7041 may be provided with a mounting hole, the electrical connector 7042 is mounted in the electrical connector mounting frame 7041, and a part of the structure extends out of the mounting hole, so that the electrical connector 7042 can be exposed from the electrical connector mounting frame 7041, and the electrical connector 7042 can be ensured to be butted with the battery pack 10, so that the electrical connector plugging mechanism 700 can be ensured to charge the battery pack 10. Moreover, after the electrical connector 7042 is installed on the electrical connector mounting frame 7041, the electrical connector mounting frame 7041 can prevent water from flowing into the electrical connector mounting frame 7041, and can prevent the electrical connector 7042 from being short-circuited, so that the work safety of the electrical connector plugging mechanism 700 can be improved.

In some embodiments of the present invention, as shown in fig. 1, the electrical connection device 704 may further include: a sealing member 7043, the sealing member 7043 may be disposed at an end of the electrical connector mounting frame 7041 opposite to the battery pack 10, and the sealing member 7043 may be disposed near an upper edge of the electrical connector mounting frame 7041, wherein, as shown in fig. 1, the sealing member 7043 may be disposed at a front end of the electrical connector mounting frame 7041, and after the docking of the battery pack 10 with the electrical connector 7042 is completed, the sealing member 7043 is compressed between the battery pack 10 and the electrical connector mounting frame 7041, and the sealing member 7043 has a buffering and shock-absorbing function to protect the battery pack 10. The sealing member 7043 also has a waterproof function, and in rainy or snowy weather, the sealing member 7043 can block rain or snow, so that the rain or snow can be prevented from flowing into the space between the battery pack 10 and the electrical connector 7042 from above, and thus, the short circuit of the battery pack 10 can be prevented, and a fire can be prevented.

In some embodiments of the present invention, the external force is a force of the battery pack 10 exerted on the actuating portion 706.

In some embodiments of the present invention, the electrical connection device 704 moves in both the vertical direction i and the horizontal direction ii to electrically connect with the battery pack 10. After the external force is applied to the actuating portion 706, the supporting member 702 moves in the vertical direction i and the horizontal direction ii at the same time, so that the electrical connector 7042 approaches the battery pack 10 and is electrically connected to the battery pack 10.

As shown in fig. 7, according to the in-place detection method of the electrical connector plugging mechanism 700 of the embodiment of the present invention, the in-place detection method is suitable for the electrical connector plugging mechanism 700 of the above embodiment, and the method includes the following steps: detecting whether an actuating part 706 in the electric connector plugging mechanism 700 is pressed down, detecting whether the battery pack 10 and the industrial personal computer are in a communication state, if detecting that the actuating part 706 is pressed down, the battery pack 10 and the industrial personal computer are in the communication state, and detecting that the battery pack 10 and the electric connector 7042 are in butt joint in place by the microswitch 705, controlling the electric connector plugging mechanism 700 to charge the battery pack 10. If the actuating part 706 is not pressed down or the battery pack 10 and the industrial personal computer are not in a communication state, the actuating part 706 is marked to be abnormal, and the actuating part 706 is set to be in a forbidden state, so that a user can be reminded to maintain the electric connector plugging mechanism 700, normal work of the electric connector plugging mechanism 700 can be guaranteed, the electric connector plugging mechanism 700 can be guaranteed to charge the battery pack 10, and the situation that the battery pack 10 is not charged can be avoided.

It should be noted that, after the battery transfer device places the battery pack 10 on the support 702 of the actuating portion 706 of the electrical connector plugging mechanism 700, under the action of gravity of the battery pack 10, the support 702 and the electrical connection device 704 move downward, it is detected that the actuating portion 706 is pressed, and the battery pack 10 is in communication with an industrial personal computer, in the process of downward movement of the actuating portion 706, the electrical connection device 704 moves toward the battery pack 10, and then the electrical connector 7042 is controlled to be in butt joint with the battery pack 10, and after the micro switch 705 detects that the battery pack 10 is in butt joint with the electrical connector 7042, the electrical connector 7042 of the electrical connector plugging mechanism 700 is controlled to charge the battery pack 10.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A linkage mechanism (710), comprising:

a base (701);

an actuator (706), the actuator (706) comprising a transmission assembly (703) formed by a pivot (7032) and a link, the actuator (706) being supported above the base (701) by the transmission assembly (703);

the actuating part (706) is subjected to external force and moves relative to the base (701) in a vertical direction (I) and a horizontal direction (II) to approach the base (701) at the same time;

and the actuation portion (706) further comprises a resilient member (7033), the resilient member (7033) urging the actuation portion (706) to reposition after the external force is removed.

2. The linkage mechanism (710) according to claim 1, wherein the plurality of links of the transmission assembly (703) are arranged parallel to each other and are connected to the base (701) and the support (702) of the actuation portion (706) by the pivot (7032).

3. The linkage mechanism (710) according to claim 1, wherein the transmission assembly (703) comprises: a plurality of first links (7031), the first links (7031) being connected obliquely between the base (701) and a support (702) of the actuating portion (706), and the first links (7031) being pivotably connectable to both the base (701) and the support (702) by the pivot (7032).

4. The linkage mechanism (710) according to claim 3, wherein the actuation portion (706), the first link (7031) and the base (701) form a non-statically determinate structure as seen in a lateral direction of the linkage mechanism (710).

5. The linkage (710) according to claim 4, wherein the non-statically determinate structure is a parallelogram structure.

6. The linkage mechanism (710) according to claim 1, wherein the resilient member (7033) comprises: the second connecting rod (7034) is obliquely connected to the same side of the base (701) and the actuating part (706), and the actuating part (706) is urged to reset through a spring (7037) sleeved outside the second connecting rod (7034).

7. The linkage mechanism (710) according to claim 6, wherein one end of the second link (7034) is connected to the actuating portion (706) by a connecting rod (7035), the connecting rod (7035) is provided with a rotating sleeve rotatable relative to the connecting rod (7035), the second link (7034) passes through the rotating sleeve and the rotating sleeve is slidable relative to the second link (7034).

8. The linkage mechanism (710) according to claim 7, wherein the other end of the second link (7034) is connected to the base (701) through a bearing (7036).

9. The linkage mechanism (710) according to claim 7, wherein the outer surface of the second link (7034) is provided with a stop (7038), and the spring (7037) is sleeved on the second link (7034) and located between the stop (7038) and the connecting rod (7035).

10. The linkage mechanism (710) according to claim 7, wherein the transmission assembly (703) further comprises: the connecting bracket (7039) is arranged on the actuating part (706) and connected with the connecting rod (7035).

11. A linkage (710) according to claim 3, wherein the support (702) of the actuation portion (706) is provided with a gimbaled ball (707).

12. The linkage mechanism (710) according to claim 3, wherein the support (702) is configured as a frame structure (7021).

13. The linkage mechanism (710) according to claim 1, wherein the external force is a force of a battery pack exerted on the actuation portion (706).

14. An electrical connector plugging mechanism (700) characterized by comprising the linkage mechanism (710) according to any one of claims 1-13.