CN211139079U

CN211139079U - A add release mechanism assembly for trading electricity

Info

Publication number: CN211139079U
Application number: CN201920988955.0U
Authority: CN
Inventors: 牟东; 戴有发; 孔超群; 吴小平; 孙庆
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-07-31
Anticipated expiration: 2029-06-27

Abstract

The utility model provides a locking and unlocking mechanism assembly for battery replacement, which comprises a locking mechanism and a rotary unlocking body; the locking mechanism is used for locking or unlocking the battery assembly so as to fix or separate the battery assembly with or from the vehicle body; the rotary unlocking body comprises an unlocking and locking assembly, a linear driving assembly and a transmission structure; the locking and unlocking assembly is used for abutting against the locking mechanism, providing thrust for unlocking the locking mechanism and providing torque for driving the locking mechanism to rotate; the transmission structure is used for connecting the linear driving assembly and the locking and unlocking assembly, the transmission structure converts linear motion into rotary motion, and the linear driving assembly drives the unlocking assembly to act on the locking mechanism through the transmission structure so that the battery assembly is locked or unlocked. The utility model discloses the structure is ingenious, and reasonable in design adopts linear drive device as the power supply, need not the structure that slows down, effectively reduces the overall cost, and transmission mode is accurate reliable simultaneously, satisfies the load requirement that new forms of energy car trades the electricity fast, and the facilitate promotion is used.

Description

A add release mechanism assembly for trading electricity

Technical Field

The utility model belongs to quick replacement battery field, concretely relates to locking and unlocking mechanism assembly for trading electricity.

Background

With the increasingly widespread use of various new energy vehicles such as electric vehicles and hybrid vehicles, technologies related to the quick change of batteries and the like are becoming the subject of attention and research.

Although various power exchanging modes such as screwing locking or unlocking by adopting a screwing shaft of a screwing gun exist at present, although the performance is reliable and the control is flexible, a servo motor is mostly adopted to match with a speed reducing mechanism to realize rotary driving, the horizontal size and the vertical size of the structure are huge, if a small motor is adopted, the price is high, and the output torque is limited.

In view of the above, there is a need to improve the conventional rotary locking and unlocking device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's not enough, the utility model provides a add release mechanism assembly for trading electricity adopts linear drive device as the power supply, need not the speed reduction structure, effectively reduces the overall cost, and transmission is accurate reliable simultaneously, satisfies the load requirement that new energy car traded electricity fast.

The utility model provides a locking and unlocking mechanism assembly for battery replacement, which comprises a locking mechanism and a rotary unlocking body; the locking mechanism is used for locking or unlocking the battery assembly so as to fix or separate the battery assembly with or from the vehicle body;

the rotary unlocking body comprises an unlocking and locking assembly, a linear driving assembly and a transmission structure; wherein,

the locking and unlocking assembly is used for abutting against the locking mechanism, providing thrust for unlocking the locking mechanism and providing torque for driving the locking mechanism to rotate;

the transmission structure is used for connecting the linear driving assembly and the locking and unlocking assembly, the transmission structure converts linear motion into rotary motion, and the linear driving assembly drives the unlocking assembly to act on the locking mechanism through the transmission structure so that the battery assembly is locked or unlocked.

Preferably, the locking and unlocking assembly comprises an unlocking ring and an unlocking rotary block; the unlocking ring abuts against the locking mechanism and provides thrust for unlocking the locking mechanism; the unlocking rotary block is used for providing torque for driving the locking mechanism to rotate;

the linear driving assembly drives the unlocking rotary block to rotate through the transmission structure, so that the locking mechanism locks or unlocks the battery assembly.

Preferably, the locking and unlocking assembly further comprises a rotating elastic piece and a first rotating connecting piece; first rotary connecting piece with unblock revolves piece swing joint, rotatory elastic component both ends are contradicted respectively first rotary connecting piece with unblock revolves the piece, so that unblock revolves the piece and can follow rotation axis axial float from top to bottom.

Preferably, the transmission structure comprises a transmission gear and a transmission rack; the transmission gear is meshed with the transmission rack; the transmission rack is fixedly connected with the movable end of the linear driving assembly; the transmission gear is fixedly connected with a rotating shaft which drives the unlocking rotary block to rotate.

Preferably, the side wall of the unlocking ring is provided with a plurality of notches.

Preferably, the locking mechanism is mounted on the battery assembly, the locking mechanism is a first locking mechanism body, and the first locking mechanism body comprises a first locking rotating shaft, a first locking pin, a first limiting shell and a limiting piece; wherein,

the first locking pin is fixedly arranged at one end of the first locking rotating shaft in a penetrating way, and the other end of the first locking rotating shaft is used for contacting the unlocking rotating block;

the limiting part is partially or completely arranged in the limiting shell, and the first locking rotating shaft penetrates through the first limiting shell; a rotating groove is formed in the side wall of the first locking rotating shaft in the first limiting shell;

a first notch is formed in one side, close to the rotary power assembly, of the rotary groove; the limiting part of the limiting part enters and exits the rotating groove through the first gap;

the limiting part moves between the first notch and the rotating groove, and when the limiting part abuts against the first notch, the first locking rotating shaft is locked; when the limiting part is positioned in the rotating groove, the first locking rotating shaft can rotate, so that the first locking pin unlocks or locks the battery component.

Preferably, the first limiting shell comprises a first shell and a shell; the first shell and the shell are matched with each other to form a whole; the first shell is provided with a first step surface; the first step face is abutted against a first shaft shoulder of the first locking rotating shaft, the shell is abutted against a second shaft shoulder of the locking rotating shaft, so that the locking rotating shaft is limited in the first shell and a cavity formed by the shell.

Preferably, the locking mechanism is mounted on the battery assembly, the locking mechanism is a second locking mechanism body, and the second locking mechanism body comprises a second locking rotating shaft, a second locking pin, a second limiting shell, a limiting block, an elastic piece and a thrust ring;

the second locking pin is fixedly arranged at one end part of the second locking rotating shaft in a penetrating way, and the other end of the second locking rotating shaft is used for contacting a rotary power assembly; the second locking pin is used for rotationally locking or unlocking the battery pack;

the locking rotating shaft penetrates through the second limiting shell; a first shaft shoulder is arranged on the side wall of the second locking rotating shaft in the second limiting shell; a first gap is formed at the edge of the first shaft shoulder; the thrust ring is sleeved on the outer wall of the second locking rotating shaft; one end of the limiting block abuts against the thrust ring, the other end of the limiting block abuts against the elastic piece, and the other end of the elastic piece abuts against the inner end face of the limiting shell;

the outer contour of the limiting block is matched with the first defect; the thrust ring pushes the limiting block away from the first limitation under the action of the unlocking rotary block, so that the second locking rotary shaft is unlocked and can rotate; after the unlocking rotary block is separated from the thrust collar, the elastic piece pushes the limiting block under the action of restoring force, and the limiting block returns to the first limitation position, so that the second locking rotating shaft is locked.

Preferably, the locking mechanism is mounted on the battery pack fixing frame and comprises a third locking mechanism body used for pressing the tail part of the battery pack; the third locking mechanism body comprises a locking block, a third locking rotating shaft, a third limiting shell, a locking structure and a recovery structure;

the locking block is fixedly connected with the third locking rotating shaft; the third locking rotating shaft penetrates through the third limiting shell; the locking block is partially folded in the limiting shell; the locking structure and the limiting structure of the third limiting shell form a rotatable path of the third locking rotating shaft together; the locking structure unlocks the third locking rotating shaft under the action of the unlocking ring, and the third locking rotating shaft rotates under the driving of the unlocking rotary block after being unlocked, so that the locking block partially extends out of the limiting shell and abuts against the tail of the battery pack;

the restoring structure provides a force acting on the locking structure, so that the third locking rotating shaft is locked, and the locked third locking rotating shaft cannot rotate freely.

Preferably, the locking structure directly locks the third locking rotation shaft.

Preferably, the locking structure directly locks the locking block.

Compared with the prior art, the beneficial effects of the utility model reside in that:

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of a locking and unlocking assembly according to an embodiment of the present invention;

fig. 2 is a schematic view of the overall structure of the locking and unlocking assembly in another embodiment of the present invention;

fig. 3 is a schematic view of an overall structure of a rotary unlocking body according to an embodiment of the present invention;

fig. 4 is a schematic view of an overall structure of a rotary unlocking body according to an embodiment of the present invention;

fig. 5 is a schematic view of a partial structure of a rotary unlocking body according to an embodiment of the present invention;

fig. 6 is a schematic view of an overall structure of a rotary unlocking body according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a locking/unlocking assembly according to an embodiment of the present invention;

fig. 8 is an exploded view of the locking/unlocking assembly according to an embodiment of the present invention;

fig. 9 is a schematic view of an unlocking ring structure according to an embodiment of the present invention;

fig. 10 is a schematic view of the overall structure of the first locking mechanism body according to the present invention;

fig. 11 is a schematic bottom view of the first locking mechanism body according to an embodiment of the present invention;

fig. 12 is an exploded view of the first latch body according to an embodiment of the present invention;

fig. 13 is a schematic view of a partial structure of the embodiment of fig. 12;

fig. 14 is a schematic structural view of a limiting member and a stopping unit in the embodiment of fig. 12 according to the present invention;

fig. 15 is a schematic structural view of the first locking rotating shaft of the present invention;

fig. 16 is a schematic view of the housing structure of the embodiment of fig. 11;

fig. 17 is an exploded view of the first lock mechanism body according to another embodiment of the present invention;

fig. 18 is a partial schematic structural view of the embodiment of fig. 17;

fig. 19 is a schematic structural view of a limiting member and a stopping unit in the embodiment of fig. 17 according to the present invention;

fig. 20 is a first schematic view of the overall structure of the second locking mechanism body according to the present invention;

fig. 21 is a second schematic view of the overall structure of the second locking mechanism body according to the present invention;

fig. 22 is an exploded view of the second locking mechanism body according to an embodiment of the present invention;

fig. 23 is a partially exploded view of the embodiment of fig. 22;

fig. 24 is a schematic view of the housing structure of the embodiment of fig. 20;

fig. 25 is a first schematic view illustrating an assembly structure of a thrust collar and a second locking rotating shaft according to the present invention;

fig. 26 is a schematic view of an assembly structure of a thrust collar and a second locking rotating shaft according to the present invention;

fig. 27 is a structural schematic view of the second locking rotating shaft and the limiting block in an unlocking state;

FIG. 28 is a first schematic structural view of the stopper and the elastic member of the present invention;

fig. 29 is a second schematic structural view of the limiting block and the elastic member of the present invention;

fig. 30 is a schematic structural view of a second top case of the present invention;

fig. 31 is an exploded view of a third locking mechanism body according to an embodiment of the present invention;

fig. 32 is an exploded view of the third latch mechanism body of the embodiment of fig. 31 of the present invention at another angle;

fig. 33 is a schematic view of the bottom structure of the third locking mechanism body in the embodiment of fig. 31;

fig. 34 is a partial schematic structural view of the embodiment of fig. 31;

fig. 35 is an exploded view of a third latch mechanism body according to another embodiment of the present invention;

fig. 36 is a schematic view of the bottom structure of the third locking mechanism body in the embodiment of fig. 35;

fig. 37 is a partial structural schematic view of the third locking mechanism body in the embodiment of fig. 35 of the present invention.

Shown in the figure:

the locking and unlocking assembly 60, the vehicle bottom substrate 101, the battery substrate 201, the rotary unlocking body 630, the locking and unlocking assembly 631, the unlocking ring 6311, the first unlocking abutting surface 63111, the notch 63112, the first rotary connecting piece 6312, the first clamping groove 63121, the first fixing hole 63122, the second limiting part 63123, the second limiting hole 63124, the rotary elastic piece 6313, the unlocking rotary block 6314, the unlocking lug 63141, the first limiting part 63142, the first long hole 63143, the first limiting pin 6315, the linear driving assembly 632, the transmission gear 633, the transmission rack 634, the rotary base 635, the guide structure 636, the first slider 6361, the first guide rail 6362, the second rotary connecting piece 637, the blocking piece 638 and the photoelectric sensor 639;

the first locking mechanism comprises a first locking mechanism body 670, a first locking rotating shaft 671, a rotating groove 6711, a first notch 6712, a rotating connecting groove 6713, a first shaft shoulder 6714, a second shaft shoulder 6715, a first locking pin 672, a housing 673, a first step surface 6731, a first groove body 6732, a second groove body 6733, a housing 674, a limiting piece 675, a push rod 6751, a limiting part 6752, a protruding part 6753, a magnet 676, a spring 677 and a buffer plate 679;

the locking mechanism comprises a second locking mechanism body 680, a second locking rotating shaft 681, a third shaft shoulder 6811, a first notch 6812, a rotation connecting groove 6813, a first hole 6814, a second hole 6815, a third hole 6816, a second locking pin 682, a housing 683, a first groove 6831, a second groove 6832, a housing 684, a second top shell 6841, a guide step surface 68411, a second bottom shell 6842, a limit block 685, a convex part 6851, a chamfer 6852, a groove 6853, an elastic part 687, a thrust ring 688, a concave hole 6881, a rotation guide pin 689, a retreat prevention part 6891 and a connecting part 6892;

the third locking mechanism body 690, the locking block 691, the first key groove 6911, the first side surface 6912, the second notch 6913, the housing 692, the first end surface 6921, the housing 693, the second end surface 6931, the first card slot 6932, the first step surface 6933, the second card slot 6934, the second through slot 6935, the locking rotating shaft 694, the first long hole 6941, the first blind hole 6942, the second key groove 6943, the rotating connecting slot 6944, the rotating slot 6945, the first notch 6946, the first limit rod 696, the first push rod 697, the first spring 698, and the first guide post 699.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the following embodiments or technical features can be used to form a new embodiment without conflict.

As shown in fig. 1 and 2, the locking and unlocking mechanism assembly 60 comprises a locking mechanism and a rotary unlocking body 630; the locking mechanism is used for locking or unlocking the battery assembly so as to fix or separate the battery assembly with or from the vehicle body;

the rotary unlocking body 630 comprises an unlocking and locking assembly 631, a linear driving assembly 632 and a transmission structure; wherein,

the locking and unlocking assembly is used for abutting against the locking mechanism and providing thrust for unlocking the locking mechanism, and is used for providing torque for driving the locking mechanism to rotate, in the embodiment, the locking and unlocking assembly 631 comprises an unlocking ring 6311 and an unlocking rotary block 6314; the unlocking ring 6311 abuts the locking mechanism and provides a pushing force for unlocking the locking mechanism; the unlocking knob 6314 is used to provide a torque that drives the locking mechanism to rotate;

the transmission structure is used for connecting the linear driving assembly 632 and the locking and unlocking assembly 631, the transmission structure converts linear motion into rotary motion, and the linear driving assembly 632 drives the unlocking rotary block 6314 to rotate through the transmission structure, so that the locking mechanism locks or unlocks the battery assembly.

In the following, in the form of an embodiment, the rotational unlocking body and the locking mechanism are described in detail in the order of the rotational unlocking body and the locking mechanism, respectively.

Embodiment 1, rotating unlocking body 630:

as shown in fig. 3-9, the rotary unlocking body 630 includes a locking and unlocking assembly 631, a linear driving assembly 632, and a transmission structure; wherein,

the locking and unlocking assembly 631 comprises an unlocking ring 6311 and an unlocking rotary block 6314; the unlocking ring 6311 abuts the locking mechanism of the battery pack and provides a pushing force for unlocking the locking mechanism of the battery pack; the unlocking knob 6314 is used to provide a torque that drives the locking mechanism to rotate; the unlocking ring 6311 is a hollow structure, and the unlocking ring 6311 is sleeved outside the unlocking rotary block 6314;

the transmission structure is used to connect the linear driving assembly 632 and the unlocking assembly 631, and the transmission structure converts the linear motion into a rotational motion, so that the linear driving assembly 632 drives the unlocking rotary block 6314 to rotate through the transmission structure. In this embodiment, as shown in fig. 8, the hollow unlocking ring 6311 abuts against the structure for unlocking the locking mechanism and provides a pushing force to urge the locking mechanism to unlock the locking state, and when the locking mechanism is in the unlocked state, the unlocking knob 6314 may urge the rotating shaft of the locking mechanism for locking and unlocking the vehicle body and the battery assembly to rotate, so as to achieve rapid locking and unlocking. It should be understood that the locking mechanism is used for rotation locking and unlocking to separate or lock the vehicle body from the battery assembly, and in the present embodiment and to show the specific structure thereof, any structure capable of applying the unlocking knob 6314 for torque transmission and unlocking with the unlocking ring 6311 belongs to the locking mechanism described above, which should not cause an obstacle to understanding and a technical solution to be unclear.

In a preferred embodiment, as shown in fig. 7 and 8, the locking and unlocking assembly 631 further comprises a rotary elastic member 6313, a first rotary link 6312; the first rotating connecting piece 6312 is movably connected to the unlocking rotary block 6314, and two ends of the rotating elastic piece 6313 respectively abut against the first rotating connecting piece 6312 and the unlocking rotary block 6314, so that the unlocking rotary block 6314 can float up and down along the axial direction of the rotating shaft. In this embodiment, the rotating elastic member 6313 is a spring, the spring is sleeved between the first rotating connecting member 6312 and the unlocking rotary block 6314, and two ends of the spring respectively abut against the first rotating connecting member 6312 and the unlocking rotary block 6314, so that the unlocking rotary block 6314 floats up and down relative to the first rotating connecting member 6312; in an embodiment, the first rotary connecting member 6312 includes a first engaging groove 63121, the unlocking knob 6314 includes an unlocking protrusion 63141 and a first limiting portion 63142, wherein the unlocking protrusion 63141 is used for transmitting torque, the first engaging groove 63121 is used for limiting the first limiting portion 63142, the first limiting portion 63142 is in a block structure and has a first long hole 63143, a first limiting pin 6315 penetrates through the first long hole 63143, and two ends of the first limiting pin 6315 are fixed in the first fixing holes 63122 on two side walls of the first engaging groove 63121; the unlocking knob 6314 can float up and down along the length direction of the first long hole 63143 under the guiding action of the spring and the first stopper pin 6315 in the first long hole 63143.

In a preferred embodiment, as shown in fig. 5, the rotary unlocking body 630 further includes a rotary base 635, a second rotary connector 637; the transmission gear 633 and the unlocking component 631 are respectively arranged at two sides of the rotating base 635; one end of the second rotary connecting piece 637 is fixedly connected with the transmission gear 633; the other end of the second rotary link 637 is fixedly connected to the unlocking assembly 631. In this embodiment, as shown in fig. 7 and 8, the second engaging groove 6371 on the second rotary connecting element 637 is in limit fit with the second limiting portion 63123 of the first rotary connecting element 6312, meanwhile, a second limiting hole 63124 is formed in a side wall of the second limiting portion 63123, and the second limiting hole 63124 is tightly fitted with a second limiting pin 6372 penetrating through the side wall of the second rotary connecting element 637, so that the second rotary connecting element 637 is fixedly connected with the first rotary connecting element 6312; in an embodiment, the second rotary connecting member 637 is fixedly connected to the transmission gear 633 via a rotating shaft, and the rotating shaft is fixed to the rotating base 635 via a bearing; in this embodiment, the rotating base 635 remains stationary relative to the battery assembly or vehicle body during the unlocking process.

In a preferred embodiment, as shown in fig. 4-6, the drive structure includes a drive gear 633, a drive rack 634; the transmission gear 633 is meshed with the transmission rack 634; the drive rack 634 is fixedly connected with the movable end 6321 of the linear drive assembly 632; the transmission gear 633 is fixedly connected with a rotating shaft for driving the unlocking rotary block 6314 to rotate. In the present embodiment, the linear drive assembly 632 is an electric push rod, and it should be understood that the linear drive assembly 632 may also include, but is not limited to, an air cylinder, a hydraulic cylinder, and an electric cylinder. Through the high-precision fit of the gear and the rack, the rotation angle is accurately controlled, the transmission is stable, and the large torque is output to meet the battery replacement unlocking requirement.

In a preferred embodiment, as shown in fig. 4-6, the rotary unlocking body 630 further comprises a guide structure 636 for guiding the linear movement of the driving rack 634. In the present embodiment, as shown in fig. 5 and 6, the guiding structure 636 includes a first slider 6361, a first guiding rail 6362; the first sliding block 6361 is slidably engaged with the first guiding rail 6362, the first sliding block 6361 or the first guiding rail 6362 is fixedly connected to the driving rack 634, and the relative direction between the first guiding rail 6362 and the first sliding block 6361 is consistent with the moving direction of the driving rack 634. As shown in fig. 5, the movable end 6321 of the linear driving assembly 632 is fixedly connected to the first connection block 6322, the first connection block 6322 is fixedly connected to the slide rail fixing seat 6323, in this embodiment, the slide rail fixing seat 6323 is fixed with the first guide rail 6362 and the transmission rack 634; under the driving of the linear driving assembly 632, the movable end 6321 drives the first connection block 6322, the first connection block 6322 drives the slide rail fixing seat 6323, the transmission rack 634 on the slide rail fixing seat 6323 and the transmission gear 633 fixed on the rotating base 635 move relatively to drive the transmission gear 633 to rotate, and meanwhile, the first guide rail 6362 on the slide rail fixing seat 6323 and the first sliding block 6361 fixed on the rotating base 635 slide relatively to play a role in guiding the movement.

As shown in fig. 4 and 6, the rotary unlocking body 630 further includes a detection assembly for detecting the stroke of the driving rack 634. In a preferred embodiment, the detection assembly includes a stop 638, a photosensor 639; the catch 638 or the photosensor 639 is fixedly connected to the movable end 6321 of the linear drive assembly 632; the drive rack 634 moves so that the photosensor 639 is triggered to detect a signal during relative movement of the flapper 638 and photosensor 639. In this embodiment, as shown in fig. 6, the blocking plate 638 is fixed to the fixed side of the rotating base 635, the two photoelectric sensors 639 are fixed to the side surface of the first connecting block 6322, and under the driving of the linear driving assembly 632, the two photoelectric sensors 639 reciprocate relative to the blocking plate 638, so as to realize accurate detection of the movement position of the transmission rack 634, and finally realize accurate control of the rotation angle of the unlocking rotating block 6314 in cooperation with high-precision cooperation of the gear rack.

In a preferred embodiment, as shown in fig. 9, the first unlocking abutment surface 63111 of the unlocking ring 6311 is used to abut against the structure of the unlocking locking mechanism, and the side wall of the unlocking ring 6311 is opened with a plurality of notches 63112; a detector can observe whether the unlocking rotary block 6314 rotates or not through the notch 63112, so as to judge whether effective transmission is realized inside the rotary unlocking body 630 or not and whether the inside is reliably connected or not; on the other hand, the plurality of notches 63112 are arranged, so that the structural strength is met, the whole weight is reduced, and the load and the energy consumption are effectively reduced.

Embodiment 2, first locking mechanism body 670:

the locking mechanism is a first locking mechanism body 670, as shown in fig. 1, the first locking mechanism body 670 is mounted on the battery substrate 201 of the battery assembly, and the first locking rotating shaft 671 penetrates through the vehicle bottom substrate 101 of the vehicle, and the first locking rotating shaft 671 rotates to achieve rapid locking and unlocking of the battery assembly and the vehicle.

As shown in fig. 10 to 19, the first locking mechanism body 670 includes a first locking rotation shaft 671, a first locking pin 672, a first limit housing, a limit member 675; wherein,

the first locking pin 672 is fixedly arranged at one end of the first locking rotating shaft 671 in a penetrating way, and the other end of the first locking rotating shaft 671 is used for contacting the unlocking rotary block 6314;

the limit piece 675 is partially or completely arranged in the limit shell, and the first locking rotating shaft 671 penetrates through the first limit shell; a rotating groove 6711 is formed in the side wall of the first locking rotating shaft 671 in the first limiting shell;

a first notch 6712 is formed in one side, close to the rotary power assembly, of the rotary groove 6711; the limiting part 6752 of the limiting part 675 passes in and out of the rotating groove 6711 through the first notch 6712;

the limiting portion 6752 moves between the first notch 6712 and the rotating groove 6711, and when the limiting portion 6752 abuts against the first notch 6712, the first locking rotating shaft 671 is locked; when the position-limiting portion 6752 is located in the rotation groove 6711, the first locking rotation shaft 671 may rotate so that the first locking pin 672 unlocks or locks the battery assembly.

In this embodiment, as shown in fig. 15, the second shoulder 6715 and the first shoulder 6714 are protruding portions of a step shaft of the first locking rotating shaft 671, a rotating groove 6711 is formed in a space sandwiched between the second shoulder 6715 and the first shoulder 6714, and a first notch 6712 is formed in the first shoulder 6714 on a side close to the rotating power assembly; in an embodiment, as shown in fig. 11, the limiting member 675 protrudes out of the surface of the first housing 673, the rotational power assembly abuts against the limiting member 675, so that the limiting member 675 moves toward the inside of the first limiting housing as a whole, the limiting portion 6752 of the limiting member 675 gradually enters and exits the rotating groove 6711 through the first notch 6712, after the limiting portion 6752 of the limiting member 675 completely disengages from the contact with the first notch 6712, the limiting portion 6752 is partially located in the rotating groove 6711, and at the same time, the limiting portion 6752 disengages from the contact with the first locking rotating shaft 671, the first locking rotating shaft 671 is in a free rotating state, and at this time, the rotational power assembly can transmit a rotational torque through the rotating connecting groove 6713 of the first locking rotating shaft 671 and transmit the rotational motion to the outside through the first locking pin 672, thereby locking or unlocking the battery assembly with the vehicle body.

In one embodiment, the first locking pin 672 rotates 90 ° to complete the locking or unlocking of the battery assembly and the vehicle body, and after the locking or unlocking is completed, the position-limiting member 675 returns by gravity, so that the position-limiting portion 6752 returns to the first gap 6712 again, and the position-limiting portion 6752 collides with the first gap 6712, and at this time, the first locking pin 672 cannot rotate.

It should be understood that the number of the position-limiting members 675 is less than or equal to the number of the first notches 6712, and the number of the first notches 6712 is set according to the angle to be rotated for unlocking, for example, four first notches 6712 may be set and one or two or three or four position-limiting members 675 may be set. In the present embodiment, as shown in fig. 11, four limiting members 675 are rotationally symmetrically distributed around the first locking rotation shaft 671 at 90 °, so as to form a uniform force around the first locking rotation shaft 671, thereby preventing the limiting members 675 in a single direction from being unevenly stressed, which affects the overall reliability of the device.

In a preferred embodiment, as shown in fig. 12, the first restraining housing comprises a first housing 673, a housing 674; the first shell 673 and the shell 674 are matched with each other to form a whole; the first housing 673 is provided with a first step surface 6731; the first step surface 6731 abuts against a first shaft shoulder 6714 of the first locking rotating shaft 671, and the housing 674 abuts against a second shaft shoulder 6715 of the first locking rotating shaft 671, so that the first locking rotating shaft 671 is limited in a cavity formed by the first housing 673 and the housing 674. It should be understood that the first housing 673 and the housing 674 are used to form a motion space of the limiting member 675, and any way of combining or splicing the first housing 673 or the housing 674 in other ways is also within the scope of the present invention.

In a preferred embodiment, as shown in fig. 16, the first housing 673 further includes a first channel 6732, a second channel 6733; the second through groove 6733 is arranged on the outer surface of the first limiting shell; the first tank body 6732 is communicated with the second tank body 6733; the sectional area of the first groove body 6732 is larger than that of the second groove body 6733; the stopper 675 further includes a push rod 6751; the push rod 6751 is engaged with the second through groove 6733 such that the push rod 6751 moves within the second through groove 6733; the stopper 6752 is engaged with the first groove body 6732 so that the stopper 6752 moves in the first groove body 6732; a second notch 6734 is formed on the side, close to the first locking rotating shaft 671, of the first groove body 6732; when the first locking shaft 671 is locked, the second notch 6734 is aligned with the first notch 6712. It should be understood that the first groove body 6732 is slightly larger than the outer contour of the position-limiting portion 6752, and when the first locking rotating shaft 671 is locked, the first groove body 6732 and the first notch 6712 together form a clamping surface of the position-limiting portion 6752, so as to prevent the position-limiting portion 6752 from shaking and failing to lock due to a single-side force. It should also be understood that, in an embodiment, as shown in fig. 11 and 16, the second through slot 6733 is disposed on the end surface of the first housing 673, when the opening of the second through slot 6733 is slightly larger than the sectional area of the push rod 6751, the second through slot 6733 is in a circular hole shape; in another embodiment (not shown), the second through slot 6733 is disposed on a sidewall of the first housing 673, in which the second through slot 6733 is in a shape of a long hole, and the push rod 6751 reciprocates in the long hole along the axial direction of the first locking rotating shaft 671 to unlock and lock the first locking rotating shaft 671.

In a preferred embodiment, as shown in fig. 11, when the first locking rotating shaft 671 is locked, the push rod 6751 protrudes out of the outer surface of the first limit housing. The rotary power assembly can realize the quick unlocking of the first locking rotating shaft 671 only by adopting a push rod 6751 which is protruded out of the first limiting shell and abuts against each limiting piece 675 and has a plane structure; it should be understood that the push rod 6751 may also be disposed through the second through groove 6733 of the first limiting housing, and the rotating power assembly may be, for example, a cylindrical structure to push the push rod 6751 of each limiting member 675 into the first limiting housing, so as to achieve the quick unlocking of the first locking rotating shaft 671.

In a preferred embodiment, in order to improve the safety of the device and prevent the vehicle body or the device from being unnecessarily bumped, as shown in fig. 10-12 and 17, the locking mechanism body 670 further includes a buffer plate 679; the buffer plate 679 is sleeved on the outer wall of the first locking rotating shaft 671 and located between the first limiting shell and the first locking pin 672. The buffer plate 679 can be made of soft material, so as to effectively prevent the first limit shell from contacting and colliding with the vehicle body.

In a preferred embodiment, to prevent the position-limiting member 675 from being unable to return due to gravity and improve the reliability of the device, the locking mechanism body 670 further includes a return unit for providing a force to return the position-limiting portion 6752 to the first notch 6712. Through the stopping unit, after the first locking rotating shaft 671 rotates, when the rotating power assembly is removed, the limiting part 6752 can return to the first notch 6712 quickly, and the first locking rotating shaft 671 is locked.

As shown in fig. 13 and 14, in a preferred embodiment, the check unit includes two oppositely disposed magnets 676 with the same polarity; one magnet 676 is mounted on the inner wall of the first limit casing, and the other magnet 676 is mounted on the limit portion 6752. Through like poles repelling's effort, spacing portion 6752 receives repulsion of the magnet 676 of first spacing casing inner wall installation all the time, breaks away from rotatory spread groove 6713 after the power component rotates, and spacing portion 6752 returns fast to first breach 6712 department under the effect of repulsion, realizes the quick automatic locking of first locking pivot 671.

As shown in fig. 17, 18, in another preferred embodiment, the check unit comprises elastic means; one end of the elastic device is abutted against the inner wall of the first limit shell, and the other end is abutted against the limit part 6752. Through the elastic restoring force of the elastic device, after the rotary power assembly is disengaged from the rotary connecting groove 6713, the limiting portion 6752 is quickly returned to the first notch 6712 under the action of the restoring force, and the first locking rotating shaft 671 is also quickly and automatically locked. In the present embodiment, as shown in fig. 19, the elastic means is a spring 677; the upper end surface of the limiting part 6752 is also provided with a convex part 6753; the spring 677 is sleeved outside the protruding portion 6753, so that the positioning and guiding of the spring are realized, the spring is effectively prevented from being misplaced or turned over in the locking process, and the reliability of the device is improved.

Embodiment 3, second locking mechanism body 680:

the locking mechanism is a second locking mechanism body 680, as shown in fig. 1, the second locking mechanism body 680 is mounted on the battery substrate 201 of the battery assembly, and the first locking rotating shaft 671 penetrates through the vehicle bottom substrate 101 of the vehicle and rotates through the second locking rotating shaft 681, so that the battery assembly and the vehicle can be locked and unlocked quickly.

As shown in fig. 20 to 30, the second locking mechanism body 680 includes a second locking rotation shaft 681, a second locking pin 682, a second limit housing, a limit block 685, an elastic member 687, and a thrust ring 688;

a second locking pin 682 is fixedly arranged at one end of the second locking rotating shaft 681 in a penetrating manner, and the other end of the second locking rotating shaft 681 is used for contacting the rotary power assembly; the second locking pin 682 is used for rotationally locking or unlocking the battery pack;

the locking rotating shaft 681 penetrates through the second limiting shell; a third shaft shoulder 6811 is arranged on the side wall of the second locking rotating shaft 681 in the second limiting shell; a first gap 6812 is arranged at the edge of the third shaft shoulder 6811; the thrust ring 688 is sleeved on the outer wall of the second locking rotating shaft 681; one end of the limiting block 685 abuts against the thrust ring 688, the other end of the limiting block 685 abuts against the elastic piece 687, and the other end of the elastic piece 687 abuts against the inner end surface of the limiting shell;

the outer profile of the stop 685 matches the first notch 6812; the thrust ring 688 pushes the limit block 685 away from the first notch 6812 under the action of the unlocking rotary block 6314, so that the second locking rotary shaft 681 is unlocked and can rotate; after the unlocking rotation block 6314 is separated from the thrust ring 688, the elastic member 687 pushes the limit block 685 under the restoring force, and the limit block 685 returns to the first notch 6812, so that the second locking rotation shaft 681 is locked.

It should be appreciated that in this embodiment, the external force driving the thrust collar 688 to move into the second limit housing may be provided by the rotating power assembly, or may be provided by other structures with driving force; and the second locking rotating shaft 681 is driven to rotate through the rotating connecting groove 6813 connected to one end of the second locking rotating shaft 681 by a rotating power assembly.

As shown in fig. 23, in an embodiment, four limiting blocks 685 are adopted, each limiting block 685 is matched with an elastic member 687, in this embodiment, the elastic member 687 is a spring, one end of the spring abuts against the limiting block 685, and the other end of the spring abuts against the first housing 683, so that the limiting block 685 is pressed to the position of the first defect 6812 by the spring, the first defect 6812 contacts with the outer wall of the limiting block 685, and the second locking rotating shaft 681 is fully limited.

In a preferred embodiment, as shown in fig. 23 and 28, a protrusion 6851 is formed on one end surface of the limiting block 685; a concave hole 6881 matched with the convex part 6851 is formed in the end surface of the thrust ring 688; when the thrust collar 688 moves in the spacing casing of second under the exogenic action, stopper 685 is promoted to the motion of elastic component 687, in this embodiment, stopper 685 compression spring, stopper 685 breaks away from first defect 6812 simultaneously for second locking pivot 681 unblock, second locking pivot 681 can rotate under the drive of rotary power assembly, for example rotary power assembly orders about second locking pivot 681 rotatory 90, make second locking round pin 682 rotatory 90 simultaneously, unblock or lock battery pack, be convenient for realize battery pack and automobile body quickly separating or locking.

In a preferred embodiment, as shown in fig. 20 and 21, the second spacing housing comprises housing 683, housing 684; the shell 683 and the shell 684 are matched with each other to form a whole; resilient member 687 abuts the inside wall of housing 683.

In one embodiment, as shown in fig. 22, the housing 684 includes a second bottom shell 6842, the second bottom shell 6842 circumscribing the thrust collar 688 such that the thrust collar 688 is partially disposed within the second circumscribing housing; in this embodiment, the second bottom housing 6842 partially encloses the thrust collar 688 within the second limiting housing to prevent the thrust collar 688 from disengaging the second locking spindle 681. As shown in fig. 23, a protruding portion 6851 is disposed on one end surface of the limiting block 685; a concave hole 6881 matched with the convex part 6851 is formed in the end face of the thrust ring 688, the convex part 6851 abuts against the concave hole 6881, and the thickness of the limiting block 685 is larger than that of the third shaft shoulder 6811; for a vehicle bottom battery assembly with a tense height space, when the thickness of the third shaft shoulder 6811 is 2mm-5mm, the whole longitudinal space is saved while the structural strength is satisfied.

In a preferred embodiment, as shown in fig. 22 and 23, the second locking mechanism body 680 further includes a rotation guide pin 689; the housing 684 includes a second top shell 6841; housing 683 fits between second top shell 6841 and second bottom shell 6842; as shown in fig. 22, a sunken guide step surface 68411 is arranged in the middle of the end surface of the second top shell 6841; the rotation guide pin 689 is inserted through a side wall of the second locking rotation shaft 681, the second locking rotation shaft 681 rotates, and the end of the rotation guide pin 689 moves on the guide step surface 68411 to prevent the second locking rotation shaft 681 from moving back axially. In the present embodiment, as shown in fig. 23 and 27, the rotation guide pin 689 includes a retreat preventing portion 6891 and a connecting portion 6892; two ends of the connecting portion 6892 are respectively connected with a withdrawing-preventing portion 6891, the connecting portion 6892 is arranged in the third hole 6816 of the second locking rotating shaft 681 in a penetrating manner, and the withdrawing-preventing portions 6891 are located on two sides of the second locking rotating shaft 681 and used for being abutted against the guiding step surface 68411 to prevent the second locking rotating shaft 681 from moving towards the ground due to friction or dead weight, so that the withdrawing-preventing effect on the second locking rotating shaft 681 is achieved.

In a preferred embodiment, as shown in fig. 24, housing 683 includes a first channel 6831; the first groove 6831 is used for guiding the limit block 685. In this embodiment, the first groove 6831 and the first defect 6812 together form a limit boundary of the limit block 685, and the limit block 685 can reciprocate along the depth direction of the first groove 6831.

In a preferred embodiment, as shown in fig. 24, housing 683 also includes a second channel 6832; the second groove 6832 is positioned on the end surface of the first groove 6831, and the second groove 6832 is used for limiting the elastic element 687. In this embodiment, the second groove 6832 is a hole-shaped non-through groove, the top of the second groove 6832 is used for abutting against the spring, and the sidewall of the second groove 6832 is of a columnar structure, so as to prevent the spring from moving after being pressed and affecting the recovery of the limit block 685. As shown in FIG. 29, a recess 6853 is provided on one end face of the stop 685; the recess 6853 is used for placing the resilient member 687. In this embodiment, the spring is limited by the groove 6853 and the second groove 6832 from both ends, so that after the spring is pressed, the acting force can be completely applied to the limiting block 685, so that the limiting block 685 returns to the first defect 6812, and the second locking rotating shaft 681 is ensured to be non-rotatable without an external force. It should be appreciated that the manner in which the second locking pin 682 unlocks or locks the battery assembly includes, but is not limited to, 45 ° rotation, 60 ° rotation, 90 ° rotation, and 120 ° rotation, and the number of the stoppers 685 and the number of the first defects 6812 are provided according to the rotation angle; in this embodiment, the locking and unlocking are realized by rotating 90 degrees, in order to prevent the limit block 685 from being shaken in the movement process to cause mutual abrasion with the first defect 6812, in a preferred embodiment, as shown in fig. 28 and 29, a chamfer 6852 is provided on the limit block 685 close to the first defect 6812, and the chamfer 6852 plays a certain role of guiding at the same time to prevent the limit block 685 from being unable to recover due to slight deviation of the rotation angle.

In a preferred embodiment, in order to improve the safety of the device and prevent the vehicle body or the device from being unnecessarily bumped, the second locking mechanism body 680 further includes a buffer plate (not shown); the buffer plate is sleeved on the outer wall of the second locking rotating shaft 681 and located between the second limiting shell and the second locking pin 682. The buffer board can be made of soft materials, and the second limiting shell is effectively prevented from contacting and colliding with the vehicle body.

Embodiment 4, third locking mechanism body 690:

as shown in fig. 2, the locking mechanism is a third locking mechanism body 690, and the locking mechanism is mounted on the battery assembly fixing frame and used for pressing the tail of the battery assembly.

As shown in fig. 31 to 37, the third locking mechanism body 690 includes a locking block 691, a third locking rotation shaft 694, a third limit housing, a locking structure, a restoring structure;

the locking block 691 is fixedly connected with the third locking rotating shaft 694; the third locking rotating shaft 694 penetrates through the third limiting shell; the locking block 691 is partially folded in the limiting shell; the locking structure and the limiting structure of the third limiting shell form a rotatable path of the third locking rotating shaft 694 together; the locking structure unlocks the third locking rotating shaft 694 under the action of the unlocking ring 6311, and after unlocking, the third locking rotating shaft 694 rotates under the driving of the unlocking rotary block 6314, so that the locking block 691 partially extends out of the limiting shell and butts against the tail of the battery pack;

the restoring structure provides a force on the locking structure to lock the third locking rotation shaft 694, and the locked third locking rotation shaft 694 cannot rotate freely.

In a preferred embodiment, the locking structure directly locks the third locking stub shaft 694, as shown in fig. 31-34. The locking structure comprises a limiting piece 675, and the limiting piece 675 contacts the outer wall of the third locking rotating shaft 694; a rotating groove 6945 is formed in the side wall of the third locking rotating shaft 694 positioned in the third limiting shell; in the present embodiment, the limiting members 675 and the third locking rotating shaft 694 are used to form side limiting, and different from the first limiting rod 696 used in the previous embodiment, a single rod is stressed and converted into a plurality of limiting members 675 to be dispersedly stressed together, so that locking failure after the single rod fails is effectively prevented.

A first notch 6946 is formed in one side, close to the rotary power assembly, of the rotary groove 6945; the limiting part 6752 of the limiting part 675 passes through the first notch 6946 to enter and exit the rotating groove 6945;

the position-limiting portion 6752 moves between the first notch 6946 and the rotation slot 6945, and when the position-limiting portion 6752 abuts against the first notch 6946, the third locking rotation shaft 694 is locked; when the position-limiting portion 6752 is located in the rotation slot 6945, the third locking rotation shaft 694 can rotate, so that the locking block 691 presses or unlocks the tail portion of the battery pack. In this embodiment, as shown in fig. 33, the position-limiting member 675 protrudes out of the surface of the housing 693, the rotational power assembly abuts against the position-limiting member 675, so that the position-limiting member 675 moves toward the inside of the third position-limiting housing as a whole, the position-limiting portion 6752 of the position-limiting member 675 gradually passes through the first notch 6946 and enters and exits the rotation slot 6945, after the position-limiting portion 6752 of the position-limiting member 675 completely leaves the contact with the first notch 6946, the position-limiting portion 6752 is partially located in the rotation slot 6945, and the position-limiting portion 6752 leaves the contact with the third locking rotation shaft 694, so that the third locking rotation shaft 694 is in a freely rotatable state, as shown in fig. 34, at this time, the rotational power assembly can transmit rotational torque through the rotation connection slot 6944 of the third locking rotation shaft 694, and transmit.

It should be understood that the number of the position-limiting members 675 is less than or equal to the number of the first notches 6946, and the number of the first notches 6946 is set according to the angle to be rotated for unlocking, for example, four first notches 6946 may be set and one or two position-limiting members 675 may be set. In the present embodiment, as shown in fig. 32, two limiting members 675 are rotationally and symmetrically distributed on the sidewall of the third locking rotating shaft 694 at 90 °, so as to form distributed stress, and prevent the limiting members 675 in a single direction from being unevenly stressed, which affects the overall reliability of the device.

In a preferred embodiment, as shown in fig. 32, the housing 693 further includes a second card slot 6934, a second through slot 6935; the second through groove 6935 is disposed on the outer surface of the housing 693; the second card slot 6934 is in communication with the second through slot 6935; the sectional area of the second clamping groove 6934 is larger than that of the second through groove 6935; the stopper 675 further includes a push rod 6751; the push rod 6751 cooperates with the second through slot 6935 such that the push rod 6751 moves within the second through slot 6935; the stopper 6752 is matched with the second clamping groove 6934, so that the stopper 6752 moves in the second clamping groove 6934; a second notch is formed in the side, close to the third locking rotating shaft 694, of the second clamping groove 6934; when the third locking rotation shaft 694 is locked, the second notch 6734 is aligned with the first notch 6946. It should be understood that the housing 692 and the housing 693 are used to form the motion space of the limiting member 675, and any way of combining or splicing the

housings

692 and 693 by other ways also belongs to the protection scope of the present invention.

It should also be understood that the second engaging groove 6934 is slightly larger than the outer contour of the position-limiting portion 6752, and when the third locking rotating shaft 694 is locked, the second engaging groove 6934 and the first notch 6946 together form a clamping surface of the position-limiting portion 6752, so as to prevent the position-limiting portion 6752 from shaking and failing to lock due to a single-side force. In one embodiment, as shown in fig. 8, the second through groove 6935 is disposed on an end surface of the housing 693, where an opening of the second through groove 6935 is slightly larger than a sectional area of the push rod 6751, and the second through groove 6935 is in a circular hole shape; in another embodiment (not shown), the second through-slot 6935 is disposed on a side wall of the housing 693, and the second through-slot 6935 is in a shape of a long hole, and the push rod 6751 reciprocates in the long hole along the axial direction of the third locking rotation shaft 694 to unlock and lock the third locking rotation shaft 694.

In a preferred embodiment, as shown in fig. 33, when the third locking rotation shaft 694 is locked, the push rod 6751 protrudes out of the outer surface of the third limiting housing. The rotary power assembly only needs to use a planar structure (e.g., the first unlocking abutting surface 63111 of the unlocking ring 6311) to abut against the push rod 6751 of each limiting member 675 protruding out of the third limiting housing, so as to rapidly unlock the third locking rotating shaft 694; it should be understood that the push rod 6751 may also be disposed through the second through groove 6935 of the third limiting housing, and the rotating power assembly may be, for example, a column structure to push the push rod 6751 of each limiting member 675 into the third limiting housing, so as to achieve the quick unlocking of the third locking rotating shaft 694.

In a preferred embodiment, the locking structure directly locks the locking block 691, as shown in FIGS. 35-37, the limit stop 675 contacts the outer wall of the locking block 691; the outer wall of the locking block 691 is provided with a second gap 6913, and when the limiting part 6752 of the limiting piece 675 is abutted against the second gap 6913, the locking block 691 cannot rotate; when the position-limiting portion 6752 of the position-limiting member 675 moves out of the second notch 6913, the locking block 691 can be driven by the third locking rotation shaft 694 to rotate, so that the locking block 691 presses or unlocks the tail portion of the battery pack. In the present embodiment, the push rod 6751 of the stopper 675 is retained in the second through-groove 6935, the push rod 6751 is pushed up by the first unlocking contact surface 63111 of the unlocking ring 6311, the retaining portion 6752 is disengaged from the second notch 6913, the lock block 691 is unlocked, and the third lock rotation shaft 694 drives the lock block 691 to rotate.

In a preferred embodiment, to prevent the retaining member 675 from being unable to return due to gravity, and to improve the reliability of the device, as shown in fig. 14, in a preferred embodiment, the restoring structure includes two oppositely disposed magnets 676 with the same polarity; one magnet 676 is mounted on the inner wall of the third limit casing, and the other magnet 676 is mounted on the limit portion 6752. Through the action force of like poles repelling each other, the limiting portion 6752 is always repelled by the magnet 676 arranged on the inner wall of the third limiting shell, and after the rotary power assembly is separated from the rotary connecting groove 6944, the limiting portion 6752 quickly returns to the first notch 6946 under the action of the repulsion force, so that the third locking rotating shaft 694 is quickly and automatically locked.

In another preferred embodiment, as shown in fig. 19, the return structure comprises resilient means; one end of the elastic device is abutted against the inner wall of the third limit shell, and the other end is abutted against the limit part 6752. Through the elastic restoring force of the elastic device, after the rotary power assembly is disengaged from the rotary connecting slot 6944, the limiting portion 6752 is quickly returned to the first notch 6946 under the action of the restoring force, and the third locking rotating shaft 694 is also quickly and automatically locked. In the present embodiment, as shown in fig. 19, the elastic means is a second spring 677; the upper end surface of the limiting part 6752 is also provided with a convex part 6753; the second spring 677 is sleeved outside the protruding portion 6753, so that the positioning and guiding of the spring are realized, the spring is effectively prevented from being misplaced or turned over in the locking process, and the reliability of the device is improved. In another embodiment, as shown in fig. 15, a second spring 677 may also be disposed in a recessed hole on the upper surface of the position-limiting portion 6752, which also prevents the spring from being dislocated or reversed during the locking process, thereby improving the reliability of the device.

It should be noted that, for convenience of description, there are cases where names of parts are the same between embodiment 1 and embodiment 4, and there is no case where names are duplicated in each embodiment except for "case", and there is no obstacle to understanding and technical solution is unclear by referring to reference numerals.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a locking and unlocking mechanism assembly for trading electricity which characterized in that: comprises a locking mechanism and a rotary unlocking body (630); the locking mechanism is used for locking or unlocking the battery assembly so as to fix or separate the battery assembly with or from the vehicle body;

the rotary unlocking body (630) comprises an unlocking and locking assembly (631), a linear driving assembly (632) and a transmission structure; wherein,

the locking and unlocking assembly (631) is used for abutting against the locking mechanism and providing pushing force for unlocking the locking mechanism, and is used for providing torque for driving the locking mechanism to rotate;

the transmission structure is used for connecting linear drive subassembly (632) with locking and unlocking subassembly (631), the transmission structure converts linear motion into rotary motion, linear drive subassembly (632) pass through the transmission structure orders about unlocking subassembly (631) acts on locking mechanism to make battery pack lock or unblock.

2. The locking and unlocking mechanism assembly for battery replacement as claimed in claim 1, wherein: the locking and unlocking assembly (631) comprises an unlocking ring (6311) and an unlocking rotary block (6314); the unlocking ring (6311) abuts against the locking mechanism and provides a pushing force for unlocking the locking mechanism; the unlocking knob (6314) is used for providing torque for driving the locking mechanism to rotate;

the linear driving assembly (632) drives the unlocking rotary block (6314) to rotate through the transmission structure, so that the locking mechanism locks or unlocks the battery assembly.

3. The locking and unlocking mechanism assembly for battery replacement as claimed in claim 2, wherein: the locking and unlocking assembly (631) further comprises a rotating elastic piece (6313) and a first rotating connecting piece (6312); first swivelling joint spare (6312) with unblock and revolve piece (6314) swing joint, rotatory elastic component (6313) both ends are contradicted respectively first swivelling joint spare (6312) with unblock revolves piece (6314), so that unblock revolves piece (6314) can be followed rotation axis axial and floated from top to bottom.

4. The locking and unlocking mechanism assembly for battery replacement as claimed in claim 2, wherein: the transmission structure comprises a transmission gear (633) and a transmission rack (634); the transmission gear (633) is meshed with the transmission rack (634); the transmission rack (634) is fixedly connected with a movable end (6321) of the linear driving assembly (632); the transmission gear (633) is fixedly connected with a rotating shaft which drives the unlocking rotary block (6314) to rotate.

5. The locking and unlocking mechanism assembly for battery replacement as claimed in any one of claims 2-4, wherein: the locking mechanism is mounted on the battery pack, the locking mechanism is a first locking mechanism body (670), and the first locking mechanism body (670) comprises a first locking rotating shaft (671), a first locking pin (672), a first limiting shell and a limiting piece (675); wherein,

the first locking pin (672) is fixedly arranged at one end part of the first locking rotating shaft (671) in a penetrating way, and the other end of the first locking rotating shaft (671) is used for contacting the unlocking rotary block (6314);

the limiting piece (675) is partially or completely arranged in the limiting shell, and the first locking rotating shaft (671) penetrates through the first limiting shell; a rotating groove (6711) is formed in the side wall of the first locking rotating shaft (671) in the first limiting shell;

a first notch (6712) is formed in one side, close to the rotary power assembly, of the rotary tank (6711); a limiting part (6752) of the limiting part (675) enters and exits the rotating groove (6711) through the first notch (6712);

the limiting part (6752) moves between the first notch (6712) and the rotating groove (6711), and when the limiting part (6752) abuts against the first notch (6712), the first locking rotating shaft (671) is locked; when the limiting part (6752) is positioned in the rotating groove (6711), the first locking rotating shaft (671) can rotate, so that the first locking pin (672) unlocks or locks the battery component.

6. The locking and unlocking mechanism assembly for battery replacement as claimed in claim 5, wherein: the first limit shell comprises a first shell (673) and a shell (674); the first shell (673) and the shell (674) are matched with each other to form a whole; the first housing (673) is provided with a first step surface (6731); the first step surface (6731) abuts against a first shaft shoulder (6714) of the first locking rotating shaft (671), and the shell (674) abuts against a second shaft shoulder (6715) of the locking rotating shaft (671), so that the locking rotating shaft (671) is limited in a cavity formed by the first shell (673) and the shell (674).

7. The locking and unlocking mechanism assembly for battery replacement as claimed in any one of claims 2-4, wherein: the locking mechanism is mounted on the battery pack, the locking mechanism is a second locking mechanism body (680), and the second locking mechanism body (680) comprises a second locking rotating shaft (681), a second locking pin (682), a second limit shell, a limit block (685), an elastic piece (687) and a thrust ring (688);

the second locking pin (682) is fixedly arranged at one end part of the second locking rotating shaft (681) in a penetrating manner, and the other end of the second locking rotating shaft (681) is used for contacting with a rotary power assembly; the second locking pin (682) is used for rotationally locking or unlocking the battery pack;

the locking rotating shaft (681) penetrates through the second limiting shell; a third shaft shoulder (6811) is arranged on the side wall of the second locking rotating shaft (681) in the second limiting shell; a first gap (6812) is arranged at the edge of the third shaft shoulder (6811); the thrust ring (688) is sleeved on the outer wall of the second locking rotating shaft (681); one end of the limit block (685) abuts against the thrust ring (688), the other end of the limit block (685) abuts against the elastic piece (687), and the other end of the elastic piece (687) abuts against the inner end face of the limit shell;

the stop block (685) outer profile matches the first deficit (6812); the thrust ring (688) pushes the limit block (685) away from the first notch (6812) under the action of the unlocking rotary block (6314) so that the second locking rotary shaft (681) is unlocked and can rotate; after the unlocking rotary block (6314) is separated from the thrust ring (688), the elastic member (687) pushes the limit block (685) under the action of a restoring force, and the limit block (685) returns to the first limit (6812) so that the second locking rotary shaft (681) is locked.

8. The locking and unlocking mechanism assembly for battery replacement as claimed in any one of claims 2-4, wherein: the locking mechanism is arranged on the battery component fixing frame and comprises a third locking mechanism body (690) used for pressing the tail part of the battery component; the third locking mechanism body (690) comprises a locking block (691), a third locking rotating shaft (694), a third limiting shell, a locking structure and a recovery structure;

the locking block (691) is fixedly connected with the third locking rotating shaft (694); the third locking rotating shaft (694) penetrates through the third limiting shell; the locking block (691) is partially folded in the limiting shell; the locking structure and the limiting structure of the third limiting shell form a rotatable path of the third locking rotating shaft (694) together; the locking structure unlocks the third locking rotating shaft (694) under the action of the unlocking ring (6311), and after unlocking, the third locking rotating shaft (694) is driven to rotate by the unlocking rotary block (6314), so that the locking block (691) partially extends out of the limiting shell and abuts against the tail of the battery pack;

the restoring structure provides a force acting on the locking structure to lock the third locking rotating shaft (694), and the locked third locking rotating shaft (694) cannot rotate freely.

9. The locking and unlocking mechanism assembly for battery replacement as claimed in claim 8, wherein: the locking structure directly locks the third locking rotation shaft (694).

10. The locking and unlocking mechanism assembly for battery replacement as claimed in claim 8, wherein: the locking structure directly locks the lockout block (691).