CN111376783A

CN111376783A - Locking device and vehicle with same

Info

Publication number: CN111376783A
Application number: CN201811612963.1A
Authority: CN
Inventors: 李鹏飞; 郑飞鸽; 姚学诚
Original assignee: Beijing Electric Vehicle Co Ltd; Blue Valley Smart Beijing Energy Technology Co Ltd
Current assignee: Beijing Electric Vehicle Co Ltd; Blue Valley Smart Beijing Energy Technology Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-07-07

Abstract

The invention discloses a locking device and a vehicle with the same, wherein the locking device comprises: the locking device comprises a driving module, a transmission module, a locking module and a fixing module, wherein the driving module is in transmission connection with the transmission module, and the locking module comprises a movable locking piece; at least a portion of the fixing module is removably disposed at a predetermined position of the locking module, the transmission module causes the locking member to move toward the predetermined position to effect locking of the fixing module, and the transmission module causes the locking member to move away from the predetermined position to effect unlocking of the fixing module. According to the locking device disclosed by the invention, the battery replacement efficiency is high, the locking is firm, and the safety is high.

Description

Locking device and vehicle with same

Technical Field

The invention relates to the technical field of vehicles, in particular to a locking device and a vehicle with the same.

Background

In recent years, with the rapid development of new energy automobiles, the sales of electric automobiles in the global range is continuously increased, and due to the limitations of the cruising ability and the charging time of power batteries, electric automobile charging and replacing stations are developed around the world, and the battery replacing mode achieves the purpose of supplementing electric energy to the electric automobiles by directly replacing battery packs of the electric automobiles, so that the electric energy can be rapidly supplied, and meanwhile, the batteries are convenient to maintain and the service life is prolonged.

The power battery of the existing power conversion type new energy automobile is fixed on an automobile body (such as a chassis) through a battery locking mechanism. Therefore, compared with locking devices in other technical fields, the battery locking mechanism for the new energy automobile battery replacement system needs to meet the requirements of easiness in operation, stability and reliability in locking and the like on the premise of controlling the cost, and brings new challenges to design, manufacture and production.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, it is an object of the present invention to provide a locking device that enables a quick replacement of a battery pack more safely and efficiently.

The invention also provides a vehicle with the locking device.

According to the embodiment of the invention, the locking device comprises: the locking device comprises a driving module, a transmission module, a locking module and a fixing module, wherein the driving module is in transmission connection with the transmission module; at least a portion of the fixing module is removably disposed at a predetermined position of the locking module, the transmission module causes the locking member to move toward the predetermined position to effect locking of the fixing module, and the transmission module causes the locking member to move away from the predetermined position to effect unlocking of the fixing module.

According to the locking device, the driving module, the transmission module, the locking module and the fixing module are combined, so that the battery pack is quickly replaced, the battery replacement efficiency is improved, meanwhile, the transmission module drives the locking module, and the locking reliability of the locking device and the stability of the battery pack in the conveying process are ensured by utilizing the supporting and clamping functions of the locking module on the fixing module.

According to the locking device of one embodiment of the invention, the locking piece is provided with the locking rod, the transmission module is also correspondingly provided with the locking rod matching groove, the extending direction of the locking rod matching groove deviates from the preset position, and the locking rod slides in the locking rod matching groove through the rotation of the transmission module.

According to the locking device of one embodiment of the present invention, a fixing guide is disposed between the transmission module and the locking module, the fixing guide includes a plate-shaped body having a through hole at a position corresponding to the predetermined position, the plate-shaped body is provided with a plurality of longitudinally extending guide structures, and an extending direction of the guide structures is directed to the predetermined position for guiding the locking member to reciprocate relative to the predetermined position.

According to the locking device of one embodiment of the present invention, one side of the locking member facing the predetermined position is a clamping surface facing the fixed module at the predetermined position, and the locking member is engaged with the fixed module by end surfaces located at both ends of the clamping surface.

According to the locking device provided by the embodiment of the invention, the driving module is in transmission connection with the transmission module in a tooth meshing manner.

According to the locking device of one embodiment of the present invention, the predetermined position is located at a central position surrounded by the plurality of locking pieces.

According to a locking device of an embodiment of the present invention, the driving module includes: the self-locking mechanism comprises a driving piece and a self-locking assembly, wherein the driving piece can rotate around a rotation axis, and the self-locking assembly prevents the driving piece from rotating around the rotation axis.

Further, the self-locking assembly comprises: the driving module comprises a first locking piece and a second locking piece, wherein the first locking piece and the driving piece synchronously rotate, the first locking piece is arranged at the peripheral edge of the rotating axis in a winding mode, the second locking piece is removably matched on the self-locking piece to prevent the driving piece of the driving module from rotating around the rotating axis by applying resistance to the peripheral direction of the driving piece.

Optionally, the self-locking portion includes a groove disposed on a surface of the first locking member, the groove cooperating with a latch hook disposed at a free end of the second locking member.

Further, the locking device further comprises: the self-locking releasing piece can move towards the second locking piece and abut against the second locking piece to continue moving, so that the second locking piece can be separated from the first locking piece, and the self-locking releasing piece can move away from the second locking piece and be separated from the second locking piece, so that the second locking piece returns and is in locking fit with the first locking piece.

Further, the guide structure includes: and the primary guide structure protrudes out of the surface of the plate-shaped body.

Further, the guide structure further comprises: a secondary guide structure recessed into a surface of the plate-shaped body, the primary guide structure and the secondary guide structure forming a dual guide structure, wherein the secondary guide structure is formed within the primary guide structure.

Optionally, the primary guide structure is a slide rail, and the secondary guide structure is a sliding groove extending along the slide rail.

Further, the fixing module includes: the fixing module comprises a cylindrical body (101) extending along the axial direction of the fixing module (10) and a first flange (102) located at the end part of the cylindrical body (101), wherein the inner side surface of the first flange (102) can abut against the end surface of the clamping surface (22) of the locking piece (2) to generate a limiting effect.

Further, the fixing module (10) further comprises: a second flange (103), the second flange (103) being located at an end of the cylindrical body (101) opposite to the first flange (102), the first flange (102) and the second flange (103) protruding in a radial direction from an outer peripheral surface of the cylindrical body (101).

According to a second aspect of the invention, a vehicle is provided with the lock device as described in any one of the first aspects. The vehicle further includes: a housing adapted to be secured to a vehicle body, the locking device received in the housing, the locking device comprising: self-locking subassembly and auto-lock release, the tip of auto-lock release with the actuating lever of drive module is followed the diapire of casing is worn out, the self-locking subassembly includes: the locking mechanism comprises a first locking piece and a second locking piece, wherein the second locking piece is pivotally connected to the shell.

Further, the vehicle further includes: the fixing module is suitable for being arranged on the battery pack and is fixed with the battery pack.

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 structural view of a locking device and a housing according to an embodiment of the invention;

FIG. 2 is an exploded view of the locking device of FIG. 1;

FIG. 3 is an exploded view of the locking device of FIG. 1 at another angle;

FIG. 4 is an assembled schematic view of a locking device according to an embodiment of the present invention in an unlocked state in a housing;

FIG. 5 is an assembly schematic of a locking device according to an embodiment of the invention in a locked state in a housing;

FIG. 6 is a top cross-sectional view of a locking device in an unlocked state according to an embodiment of the present invention;

FIG. 7 is a top cross-sectional view of a locking device according to an embodiment of the present invention in a locked state;

FIG. 8 is a top view of a locking device according to an embodiment of the present invention in an unlocked state;

FIG. 9 is a schematic structural view of the transmission module of FIG. 1;

FIG. 10 is a top plan view of the transmission module of FIG. 9;

FIG. 11 is a front view of the transmission module of FIG. 9;

FIG. 12 is a schematic diagram of the structure of the drive module of FIG. 1;

FIG. 13 is a front view of the drive module of FIG. 12;

FIG. 14 is a top view of the drive module of FIG. 12;

FIG. 15 is a left side view of the drive module of FIG. 12;

FIG. 16 is a schematic view of the housing of FIG. 1;

FIG. 17 is a top view of the housing of FIG. 16;

FIG. 18 is a front view of the housing of FIG. 16;

FIG. 19 is a schematic view of the locking member of FIG. 1;

FIG. 20 is a top plan view of the locking member of FIG. 1;

fig. 21 is a schematic structural diagram of a fixing module according to an embodiment of the present invention.

Reference numerals:

the locking device 100, the driving module 1, the driving assembly 11, the driving member 111, the self-locking external teeth 1111, the lightening hole 1112, the driving rod 112, the driving rod body 1121, the first locking member mounting base 1122, the driving rod step surface 1123, the stopper 11231, the sealing groove 1124, the tool insertion groove 1125, the driving module 12, the teeth 121, the locking rod fitting groove 122, the stopper plate 123, the locking member 2, the central axis 20, the locking rod 21, the clamping surface 22, the guide sliding groove 23, the upper guide groove 231, the lower guide groove 232, the upper protrusion 24, the fixed module upper support surface 241, the lower protrusion 25, the fixed module lower support surface 251, the first side wall 261, the second side wall 262, the third side wall 263, the fourth side wall 264, the fifth side wall 265, the relief cut surface 31127, the fixed guide member 3, the first guide member 31, the upper sliding rail 311, the upper sliding groove 1, the upper fastener mounting hole 312, the second guide member 32, the lower sliding rail 321, the lower sliding, the anti-rotation limiting column 4, the fastener through hole 41, the self-locking assembly 5, the first locking piece 51, the self-locking part 511, the groove 512, the first locking piece mounting hole 513, the limiting groove 514, the second locking piece 52, the locking hook 521, the second locking piece mounting part 522, the self-locking releasing piece 53, the step surface 531, the linkage rod 54, the upper gasket 6, the lower gasket 7, the fixing module 10, the columnar body 101, the first flange 102, the guide surface 1021, the second flange 103, the in-place limiting plate 104, the shell 200, the guide sleeve 201, the second locking piece mounting seat 202, the driving rod mounting table 203 and the mounting lug 204.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

A locking device 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 21. As shown in fig. 1 to 21, a locking device 100 according to an embodiment of the present invention includes: a drive module 1, a transmission module 12, a locking module and a fixing module 10.

The driving module 1 is in transmission connection with the transmission module 12, further, the driving module 1 and the transmission module 12 have parallel rotation axes, and the driving module 1 and the transmission module 12 are in transmission in a manner of meshing with each other through the teeth 121, so that the driving module 1 and the transmission module 12 are simple in transmission manner and stable in force transmission. Meanwhile, the distribution angle of the teeth 121 on the transmission module 12 around the rotation axis of the transmission module 12 defines the maximum angle that the transmission module 12 can rotate, and specifically, in one embodiment of the present invention, as shown in fig. 2 to 3, a plurality of teeth 121 are disposed on the side surface of the transmission module 12 facing the driving module 1, the plurality of teeth 121 are continuously distributed on the side surface, and the central angle corresponding to the arc surface formed by the plurality of teeth 121 is less than 180 °, so that the maximum angle that the transmission module 12 rotates is limited not to exceed 180 °, and waste caused by processing too many teeth 121 is avoided under the condition that the locking requirement of the locking member 2 is met.

The locking module comprises at least one movable locking element 2, the locking element 2 being arranged at the periphery of the predetermined position, at least a part of the fixed module 10 being removably arranged at the predetermined position of the locking module, the transmission module 12 effecting locking of the fixed module 10 by moving the locking element 2 towards the predetermined position and unlocking of the fixed module 10 by moving the locking element 2 away from the predetermined position.

Further, the locking module further comprises: the locking device comprises a fixed guide 3, a locking member 2 slidably coupled to the fixed guide 3 by a guide portion (including a guide structure on the fixed guide 3 and a guide structure on the locking member 2), and the locking member 2 is guided by the guide portion to be movable toward a predetermined position to achieve the above-mentioned locked state, and guided by the guide portion to be movable away from the predetermined position to achieve the above-mentioned unlocked state.

Alternatively, the fixing guide 3 may include a plate-shaped body having a through hole at a predetermined position, and a plurality of longitudinally extending guide structures (i.e., the guide structures on the fixing guide 3 described above) are provided on the plate-shaped body, the extending direction of the guide structures being directed to the predetermined position for guiding the locking member 2 to reciprocate with respect to the predetermined position.

Here, it should be noted that the predetermined position in the embodiment of the present invention is located at a central position surrounded by the plurality of locking members 2.

According to the locking device 100 of the embodiment of the invention, through the combination of the driving module 1, the transmission module 12, the locking module and the fixing module 10, the quick replacement of the battery pack is realized, the battery replacement efficiency is improved, meanwhile, the transmission module 12 drives the locking module, and the locking module has a supporting and clamping function on the fixing module 10, so that the locking reliability of the locking mechanism and the stability of the battery pack in the conveying process are ensured.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

Further, the guide part may include: one-level guide and second grade guide, one-level guide and second grade guide are the same to locking piece 2's motion direction of direction, thereby make locking piece 2 move according to predetermined orbit relatively fixed guide 3 under the dual guiding effect of one-level guide and second grade guide, promptly when needing to install the battery package, locking piece 2 moves to the direction towards predetermined position under the dual guiding effect of one-level guide and second grade guide, and press from both sides fixed module 10 tightly, when needing to dismantle the battery package, locking piece 2 moves to the direction of keeping away from predetermined position under the dual guiding effect of one-level guide and second grade guide, thereby be convenient for utilize the dismantlement of instrument realization battery package.

Further, the primary guide may include: the primary guiding structure of the fixed guide 3 and the primary guiding structure of the locking member 2, alternatively, the primary guiding structure of the fixed guide 3 may be a sliding rail, the primary guiding structure of the locking member 2 is configured as a guiding sliding groove 23, the extending direction of the guiding sliding groove 23 points to a predetermined position for guiding the locking member 2 to reciprocate relative to the predetermined position, specifically, the guiding sliding groove 23 cooperates with the sliding rail on the fixed guide 3 to enable the locking member 2 to achieve a locked state in a manner of moving towards the predetermined position and to achieve an unlocked state in a manner of moving away from the predetermined position.

The secondary guide may include: fixed 3 second grade guide structure of guide and 2 second grade guide structure of locking piece, 3 second grade guide structure of fixed guide form in 3 first grade guide structure of fixed guide. Further, the secondary guide structure of the fixed guide 3 may be configured as a sliding groove penetrating the fixed guide 3, the secondary guide structure of the locking member 2 is a locking bar 21, and the locking bar 21 moves in the sliding groove, whereby the sliding groove may function as a motion guide for the locking bar 21.

Alternatively, as shown in fig. 3, the plate-shaped body of the fixing guide 3 may be configured as an oblong plate, the oblong plate includes two parallel opposite side walls and an arc-shaped surface connected to two ends of the two side walls, and the sliding rail extends from the boundary between the side walls and the arc-shaped surface to the direction of the predetermined position, so that the arrangement of the sliding rail on the fixing guide 3 is reasonable, and the layout of the whole fixing guide 3 is compact.

In a specific embodiment of the present invention, as shown in fig. 1 to 2, the fixing guide 3 may include: first guide 31 and second guide 32, first guide 31 and second guide 32 are relative parallel arrangement from top to bottom, locking piece 2 is pressed in between first guide 31 and second guide 32 and reciprocates relative predetermined position under the guide effect of guide structure (locking piece 2 and guide structure and locking piece 2 second grade guide structure), like this, locking piece 2 moves between two flat boards, can guarantee locking piece 2's movement orbit is accurate and locking piece 2 moves the stationarity.

Meanwhile, the first guide 31 is provided with an upper slide rail 311, the upper slide rail 311 is formed on the lower surface of the first guide 31 and extends from the boundary between the side wall and the arc-shaped surface of the first guide 31 to the center of the first guide 31, the second guide 32 is provided with a lower slide rail 321, the lower slide rail 321 is formed on the upper surface of the second guide 32 and extends from the boundary between the side wall and the arc-shaped surface of the second guide 32 to the center of the second guide 32, and the locking member 2 is disposed between the first guide 31 and the second guide 32 and is engaged with the upper slide rail 311 and the lower slide rail 321, so that the accuracy of the movement of the locking member 2 can be effectively ensured.

Further, the first guide 31 is further provided with an upper sliding groove 3111, the upper sliding groove 3111 is formed in the upper sliding rail 311, the second guide 32 is further formed with a lower sliding groove 3211, and the lower sliding groove 3211 is formed in the lower sliding rail 321, so that the sliding grooves are integrated in the sliding rails, the space of the first guide 31 and the space of the second guide 32 are effectively saved, and the structure of the whole locking device 100 is more compact.

Further, the locking device 100 of the embodiment of the present invention may further include: a fixing assembly for fixing the first guide 31 and the second guide 32, specifically, the fixing assembly may include: prevent changeing spacing post 4 and fastener, wherein, prevent changeing spacing post 4 and support between first guide 31 and second guide 32, be provided with the fastener perforation 41 that runs through spacing post in the spacing post, the fastener passes first guide 31 in proper order, prevent changeing spacing post 4 and second guide 32 to fix first guide 31 and second guide 32, utilize the combination of preventing changeing spacing post 4 and fastener to realize preventing that first guide 31 rotates and carry out the effect fastened to the two relative second guide 32.

More specifically, as shown in fig. 3, the first guide member 31 and the second guide member 32 are each provided with a fixing assembly fitting hole, which includes: along spacing hole and the fastener mating holes of fixed subassembly axis intercommunication, the central axis 20 coincidence of spacing hole and fastener mating holes, optionally, spacing post can be the cube post, and spacing post is suitable for the cooperation in spacing downthehole to prevent that first guide 31 and second guide 32 from taking place relative rotation, and then guarantee the accuracy of locking piece 2 movement track.

Optionally, a fixed component matching hole is formed between any two adjacent guide structures (a fixed guide 3 primary guide structure and a fixed guide 3 secondary guide structure), and the fixed component matching hole is arranged close to the edge of the fixed guide 3, so that the locking function of the locking piece 2 can be effectively prevented from being influenced by the interference of the locking piece 2 and the anti-rotation limiting column 4 in the movement process of the locking piece 2.

Further, the first guide member 31 is provided with an upper fastener mounting hole 312, the upper fastener mounting hole 312 includes an upper countersunk hole (fastener fitting hole) adapted to accommodate a head of the fastener and a lower limiting hole adapted to be fitted with the limiting post, the lower limiting hole is a square hole, that is, after the fastener passes through the upper fastener mounting hole 312, the head of the fastener can be received in the countersunk hole, thereby facilitating to reduce the height of the whole locking device 100 and reducing the space occupied by the locking device 100.

Correspondingly, the second guide member 32 is provided with a lower fastener mounting hole 322, the lower fastener mounting hole 322 comprises an upper section limiting hole suitable for being matched with the limiting column and a lower section fastener matching hole suitable for being matched with the fastener, and the fastener can be fixed with the bottom wall of the housing 200 after passing through the first guide member 31, the anti-rotation limiting column 4 and the second guide member 32, so as to fix the fixed guide member 3 on the housing 200.

Optionally, an upper fastener mounting hole 312 is disposed between any two adjacent upper slide rails 311, a lower fastener mounting hole 322 is disposed between any two adjacent lower slide rails 321, the upper fastener mounting hole 312 is disposed near the edge of the first guide 31, and the lower fastener mounting hole 322 is disposed near the edge of the second guide 32. From this, can avoid effectively in locking piece 2 motion process, locking piece 2 and prevent that spacing post 4 takes place to interfere and influence the locking function of locking piece 2.

In one embodiment of the present invention, as shown in fig. 1 to 3, 6 to 7, the locking member 2 may be plural, the plural locking members 2 are divided into at least one group, each group includes two locking members 2 symmetrical with respect to a predetermined position, and the moving direction of each group of locking members 2 is parallel to the direction of the center-line of the two locking members 2. Further, as shown in fig. 6 and 7, during the movement of the plurality of locking members 2 close to the predetermined position, the distance between any two adjacent locking members 2 tends to narrow to be suitable for locking the fixing module 10, and during the movement of the plurality of locking members 2 away from the predetermined position, the distance between any two adjacent locking members 2 tends to expand to be suitable for unlocking the fixing module 10. Like this, make a plurality of locking pieces 2 move towards predetermined position simultaneously, and the distance between two arbitrary adjacent locking pieces 2 is the narrowing or extension trend in the in-process that locking piece 2 moved for locking piece 2 is to the centre gripping of fixed module 10 or unclamp the synchronization, is difficult for causing the unbalancing of battery package in the loading and unloading process and takes place the potential safety hazard.

Optionally, an avoiding tangent plane 27 is arranged on the side wall of any one locking member 2 facing the locking member 2 adjacent to the locking member 2, and the avoiding tangent plane 27 is used for avoiding the fixed component, so that the locking member 2 can be effectively ensured to move to the position contacted with the outer peripheral surface of the fixed module 10 by arranging the avoiding tangent plane 27, thereby ensuring that the locking member 2 can clamp the fixed module 10 in multiple directions and ensuring the installation stability of the battery pack.

Further, the guiding structure on the locking member 2 may include: the double guide structure is formed by a primary guide structure protruding out of the surface of the plate-shaped body and a secondary guide structure recessed into the surface of the plate-shaped body. Optionally, second grade guide structure forms in one-level guide structure, and specifically, one-level guide structure can be the slide rail, and second grade guide structure can be for the spout that extends along the slide rail, and slide rail and spout are integrated as an organic whole, and from this, with the spout integration in the slide rail, saved locking piece 2's space effectively, be favorable to reducing locking piece 2's height for whole locking device 100's structure is compacter.

Further, as shown in fig. 19 to 20, the side of the locking member 2 facing the predetermined position is a clamping surface 22 facing the fixed module 10 at the predetermined position, and alternatively, the clamping surface 22 may be a circular arc surface, and a plane defined by the central axis 20 corresponding to the circular arc surface and the central axis 20 corresponding to the locking rod 21 bisects the clamping surface 22, that is, the locking rod 21 corresponds to the middle of the clamping surface 22, so that the accuracy of the movement locus of the locking member 2 can be ensured by adopting a highly symmetrical structure.

Furthermore, the locking member 2 is engaged with the fixing module 10 through the end surfaces at the two ends of the clamping surface 22, so as to support the fixing module 10, thereby realizing the installation and the disassembly of the battery pack. Specifically, as shown in fig. 19, a protruding structure is provided on the body of the locking member 2, and an end surface of the protruding structure is used for supporting the fixed module 10, so that the thickened protruding portion is used for supporting the fixed module 10, which is beneficial to improving the locking supporting capability of the locking device 100 on the fixed module 10 and prolonging the service life of the locking device 100.

In a specific embodiment of the present invention, as shown in fig. 19 and 20, the chute may include: an upper guide groove 231 and a lower guide groove 232, wherein the upper guide groove 231 and the lower guide groove 232 are respectively formed on the upper surface and the lower surface of the locking member 2, the upper guide groove 231 and the lower guide groove 232 vertically correspond to each other, the upper end of the locking lever 21 upwardly penetrates through the upper guide groove 231, and the lower end of the locking lever 21 downwardly penetrates through the lower guide groove 232.

Further, upper protrusions 24 are disposed on both sides of the upper guide groove 231, lower protrusions 25 are disposed on both sides of the lower guide groove 232, and the upper protrusions 24 and the lower protrusions 25 correspond to each other up and down. The upper surface of the upper protrusion 24 is the fixed module upper supporting surface 241, and the lower surface of the lower protrusion 25 is the fixed module lower supporting surface 251, so that the thickened protrusion part is used for supporting the fixed module 10, which is beneficial to improving the locking supporting capability of the locking device 100 on the fixed module 10 and prolonging the service life of the locking device 100.

Further, as shown in fig. 20, the outer peripheral wall of the locking member 2 may include a first side wall 261, a second side wall 262, a third side wall 263, a fourth side wall 264 and a fifth side wall 265 which are connected in sequence, wherein the first side wall 261 is the clamping surface 22, the second side wall 262 and the fifth side wall 265 are respectively connected to both ends of the first side wall 261, the third side wall 263 and the fourth side wall 264 are respectively connected to the other ends of the second side wall 262 and the fifth side wall 265, and an avoiding cut surface 27 is provided between the fourth side wall 264 and the fifth side wall 265, whereby it is effectively ensured that the locking member 2 can move to a position contacting the outer peripheral surface of the fixed module 10 by providing the avoiding cut surface 27, thereby ensuring that the locking member 2 can clamp the fixed module 10 in multiple directions and ensuring the mounting stability of the battery pack.

As shown in fig. 19 and 20, the upper and

lower guide grooves

231 and 232 extend along the boundary between the third and

fourth side walls

263 and 264 from the first side wall 261, and the upper and

lower guide grooves

231 and 232 penetrate the first, third and

fourth side walls

261, 263 and 264, thereby ensuring a sufficient stroke of the locking member 2 to enable locking and unlocking of the fixed module 10.

Further, as shown in fig. 19, a lock rod 21 is extended outwardly from an end surface of the locking member 2, the lock rod 21 is configured to guide the movement of the locking member 2, accordingly, a plurality of lock rod engaging grooves 122 are correspondingly configured on the transmission module 12, the plurality of lock rod engaging grooves 122 are configured around the rotation axis of the transmission module 12, and the extending direction of the lock rod engaging grooves 122 deviates from a predetermined position, that is, the extending direction of the lock rod engaging grooves 122 deviates from the rotation axis of the transmission module 12. In this way, the lock rod 21 slides in the lock rod matching groove 122 through the rotation of the transmission module 12, that is, the lock rod 21 is matched in the lock rod matching groove 122 and moves along the lock rod matching groove 122 under the driving of the transmission module 12, so as to drive the locking member 2 to move towards the predetermined position or move away from the predetermined position, thereby realizing the locking or unlocking of the fixed module 10.

Meanwhile, since the plurality of locking rod matching grooves 122 are formed in the transmission module 12, the transmission module 12 can play a role in linking the plurality of locking rods 21, thereby ensuring that the plurality of locking members 2 can move towards the direction of the preset position or move away from the preset position at the same time, and further ensuring that the locking members 2 clamp or release the fixed module 10 synchronously, so that the potential safety hazard caused by unbalance of the battery pack in the loading and unloading process is not easily caused.

Alternatively, as shown in fig. 1, the transmission module 12 is configured as an oblong plate comprising: two relative parallel arrangement's lateral wall and the arcwall face of connection at both sides wall both ends, and transmission module 12's lower surface still is provided with two limiting plate 123, limiting plate 123 is located transmission module 12's both ends respectively, and the outer terminal surface of limiting plate 123 and the outer terminal surface parallel and level of arcwall face, and first guide 31 is located the space that two limiting plate 123 were injectd, and two terminal surfaces of first guide 31 and the inside wall laminating of limiting plate 123, like this, utilize limiting plate 123 to play the positioning action when first guide 31 and transmission module 12 cooperate.

In a specific embodiment of the present invention, as shown in fig. 10 and 7, the number of the locking rod fitting grooves 122 on the transmission module 12 may be four, four locking rod fitting grooves 122 are located at four vertices of a rectangle centered on the rotation axis of the transmission module 12, and the extending direction of each locking rod fitting groove 122 is substantially perpendicular to the extending direction of two locking rod fitting grooves 122 adjacent thereto. Therefore, the lock rod matching groove 122 is reasonable in arrangement on the transmission module 12 and compact in layout, the space on the transmission module 12 is fully utilized, and the lock rod 21 is ensured not to interfere with other components when the lock rod 21 moves in the lock rod matching groove 122.

As shown in fig. 2 to 3, the driving module 1 includes: the driving assembly 11 and the driving assembly 11 are provided with a driving piece 111, the driving piece 111 is provided with a rotation axis, the driving piece 111 can rotate around the rotation axis, the outer peripheral surface of the driving piece 111 is provided with self-locking outer teeth 1111, and the self-locking outer teeth 1111 are meshed and matched with the teeth 121 on the transmission module 12, so that the transmission connection between the driving module 1 and the transmission module 12 is realized, the transmission mode is simple, and the production cost is low.

Further, the driver 111 has a fan shape, and the self-locking external teeth 1111 extend from one end to the other end of the driver 111 in the circumferential direction. Therefore, under the condition that the driving module 1 can meet the rotation angle of the transmission module 12, the incomplete gear 121 structure is adopted, so that the processing time of the driving piece 111 can be reduced, and the manufacturing cost of the driving piece 111 can be reduced.

Optionally, the drive module 1 further comprises: the central axis 20 of the driving rod 112 coincides with the rotation axis of the driving element 111, and further, the driving rod 112 includes a driving rod body 1121, the driving element 111 is sleeved on the outer peripheral surface of the driving rod body 1121, and the driving element 111 is provided with a plurality of lightening holes 1112 distributed at intervals around the rotation axis of the driving element 111, so that under the condition that the transmission and the bearing of the driving element 111 are ensured, the weight of the driving element 111 is favorably reduced, thereby reducing the weight of the whole locking device 100.

Further, the bottom surface of the driving rod 112 may be provided with a tool insertion groove 1125 adapted to cooperate with a tool, and optionally, the tool insertion groove 1125 may be an inner hexagonal groove, thereby facilitating the operation of the driving rod 112 by a common tool, so as to drive the driving rod 112 to rotate, thereby driving the driving member 111 to rotate, and finally driving the locking member 2 to move by the rotation of the transmission module 12.

Further, the driving module 1 according to the embodiment of the present invention may further include: the self-locking assembly 5, the self-locking assembly 5 can prevent the driving piece 111 from rotating around the rotation axis by exerting resistance. In this way, the self-locking assembly 5 prevents the engagement between the driving member 111 and the transmission module 12 from failing under a large load, which may result in the driving member 111 rotating reversely and the battery pack falling out.

Alternatively, as shown in fig. 1-8, the self-locking assembly 5 may include: a first lock member 51 and a second lock member 52, the first lock member 51 rotates synchronously with the driver 111, and the rotation axis of the first lock member 51 coincides with the rotation axis of the driver 111. Meanwhile, the first locking member 51 is detachably connected to the driving member 111, and specifically, as shown in fig. 1 to 3, a center of the first locking member 51 may be provided with a first locking member mounting hole 513, an upper end of the driving rod 112 is provided with a first locking member mounting platform 1122, and the first locking member mounting hole 513 is in sleeved engagement with the first locking member mounting platform 1122. Therefore, the first locking piece 51 and the driving rod 112 are simply installed, and the first locking piece 51 is convenient to repair and replace.

Optionally, an anti-rotation structure may be further disposed between the first locking element 51 and the driving rod 112, and specifically, a plurality of limiting grooves 514 may be disposed on the first locking element 51, the limiting grooves 514 are radially distributed in the circumferential direction of the first locking element mounting hole 513, a radially inner end of the limiting groove 514 is communicated with the first locking element mounting hole 513, and a radially outer end of the limiting groove 514 is spaced apart from an outer circumferential surface of the first locking element 51. Correspondingly, a driving rod step surface 1123 is formed between the first locking piece mounting platform 1122 and the driving rod body 1121, a plurality of limiting blocks 11231 are arranged on the driving rod step surface 1123, the plurality of limiting blocks 11231 are radially distributed on the circumferential direction of the driving rod body 1121, the number of the limiting blocks 11231 is equal to the number of the limiting grooves 514, the limiting blocks 11231 extend from the outer circumferential edge of the driving rod body 1121 to the outer circumferential surface of the first locking piece mounting platform 1122, and the limiting blocks 11231 and the limiting grooves 514 have rectangular cross sections, so that the first locking piece 51 can be prevented from rotating relative to the driving rod 112 by matching of the limiting blocks 11231 and the limiting grooves 514.

In the description of the present invention, "a plurality" means two or more.

Further, as shown in fig. 1 to 8, the first lock member 51 is configured as a disk that rotates in synchronization with the drive member 111, and the first lock member 51 is provided with a self-locking portion 511 at a circumferential edge around the rotation axis, and the second lock member 52 is engaged with the first lock member 51 and can achieve locking of the first lock member 51, and further, the second lock member 52 is removably fitted on the self-locking portion 511 to prevent the drive member 111 of the drive module 1 from rotating around the rotation axis by applying resistance to the circumferential direction of the drive member 111. In this way, the engagement between the driver 111 and the transmission module 12 is effectively prevented from failing under a large load, which results in the driver 111 rotating in the reverse direction and the battery pack falling out.

Alternatively, in some embodiments, as shown in fig. 7, there may be two second locking members 52, two second locking members 52 are symmetrically disposed about a horizontal center line of the first locking member 51, and a linkage rod 54 may be further disposed between the two second locking members 52, and the linkage rod 54 may enable the two second locking members 52 to move synchronously, so that the locking of the first locking member 51 can be better achieved, and the locking of the self-locking assembly 5 is more reliable.

Further, as shown in fig. 1 to 8, the self-locking portion 511 may include grooves 512 provided on a surface of the first locking member 51, the grooves 512 being continuously distributed in a circumferential direction of the first locking member 51, while the grooves 512 are provided around the rotational axis of the driver 111 and radially distributed, and the grooves 512 extend radially outward. Therefore, the first locking piece 51 can be locked at any position by the plurality of grooves 512 which are circumferentially and continuously distributed, so that the use convenience of the locking device 100 is improved.

Further, the free end (latch mating end) of the second latch member 52 may be formed as a latch hook 521, and the latch hook 521 is removably fitted on the groove 512 of the self-locking portion 511. Therefore, the locking matching parts of the first locking piece 51 and the second locking piece 52 can be ensured by matching the locking hook 521 and the groove 512, and the second locking piece 52 is not easy to fall off from the first locking piece 51, so that the locking reliability of the locking device 100 is improved.

As shown in fig. 1 to 3, the locking device 100 according to an embodiment of the present invention may further include: and the self-locking release piece 53 can move towards the second locking piece 52 and abut against the second locking piece 52 to continue moving, so that the second locking piece 52 can be disengaged from the first locking piece 51, and the self-locking release piece 53 can move away from the second locking piece 52 and is disengaged from the second locking piece 52, so that the second locking piece 52 returns and is in locking fit with the first locking piece 51. That is, when the locking device 100 is used to assemble and disassemble the battery pack, the locking releasing member can be used to lift the second locking member 52, so that the second locking member 52 is separated from the first locking member 51, and thus the driving module 1 is driven by a tool, the driving module 1 drives the transmission module 12 to drive the locking member 2 to move towards the fixing module 10, and thus the fixing module 10 is clamped to assemble and disassemble the battery pack; after the operation is completed, the self-locking releasing piece 53 can be cancelled, and the second locking piece 52 returns to the state matched with the first locking piece 51 in a locking manner again under the action of the self gravity or the gravity and the elastic restoring force of the torsion spring, so that the first locking piece 51 is locked again, the self-locking function is realized, and the locking reliability of the locking device 100 is ensured.

The present invention also provides a vehicle including the locking device 100, and further including: the housing 200, the housing 200 is adapted to be fixed on a vehicle body, the locking device 100 is adapted to be received in the housing 200, and an end portion of the self-locking release member 53 and the driving rod 112 of the driving module 1 can penetrate through a bottom wall of the housing 200, so that the self-locking release member 53 and the driving member 111 can be operated by a tool, thereby unlocking the second lock member 52 from the first lock member 51 and starting the movement of the driving module 1.

Further, as shown in fig. 3, 16-18, a guide sleeve 201 may be further disposed on the housing 200, the self-locking release member 53 is movably disposed in the guide sleeve 201, and an end of the self-locking release member 53 away from the driving member 111 protrudes from the guide sleeve 201 (as shown in fig. 18). Alternatively, an end of the self-locking release member 53 remote from the driving member 111 may be provided with a step surface 531, and the step surface 531 is adapted to be supported on the inner bottom wall of the housing 200. Thus, the self-lock releasing member 53 can be prevented from falling off the housing 200 while the lower end of the self-lock releasing member 53 can be fitted to the tool.

Meanwhile, as shown in fig. 16-17, a driving rod mounting platform 203 may be further disposed on the inner bottom wall of the housing 200, and the driving rod body 1121 penetrates through the driving rod mounting platform 203 and has a lower end penetrating out of the bottom wall of the housing 200, so as to facilitate the operation of the driving rod 112 by using a tool. And an annular sealing groove 1124 may be formed on an outer circumferential surface of a lower end of the driving rod body 1121, and a sealing ring may be fitted over the sealing groove 1124, so that it is possible to prevent external dust, impurities, etc. from entering the inside of the locking device 100 and affecting the normal operation of the locking device 100.

Meanwhile, as shown in fig. 1 to 3, a lower washer 7 may be disposed on the driving lever mounting table 203, the driving lever 112 may be engaged with the driving lever mounting table 203 through the lower washer 7, and at the same time, an upper washer 6 may be sleeved on the first locking member mounting table 1122, and an upper end of the first locking member mounting table 1122 may be engaged with an upper cover (not shown in the drawings), whereby the driving lever 112 may be prevented from moving in the up-down direction by the upper washer 6 and the lower washer 7.

Further, the housing 200 may further be provided with a second lock mounting seat 202, and the second lock 52 may be pivotally connected to the housing 200, specifically, the other end of the second lock 52 opposite to the lock hook 521 is provided with a second lock mounting part 522, and the second lock mounting part 522 is pivotally connected to the second lock mounting seat 202, so that it is ensured that the second lock 52 can swing relative to the second lock mounting seat 202, and thus, it can be switched between a contact locking state and a disengagement unlocking state with respect to the first lock 51.

Optionally, a torsion spring may be further disposed between the second lock mounting portion 522 and the second lock mounting seat 202, so that after the second lock 52 is disengaged from the first lock 51, the second lock 52 can return under the action of the elastic restoring force of the torsion spring, and the locking device is simple in structure, high in resetting efficiency, and beneficial to improving the timeliness of the locking device 100.

Further, as shown in fig. 1 to 8, the housing 200 may be provided with mounting lugs 204 at both ends thereof, and correspondingly, the upper cover may also be provided with mounting lugs, so that the connection between the upper cover and the housing 200 can be realized by fastening members such as bolts passing through the mounting lugs and the mounting lugs 204, thereby ensuring the connection reliability between the two, and the operation is simple, the fixation is firm, and the mounting and fixing of the locking device 100 on the vehicle body are also facilitated.

The vehicle of the embodiment of the invention further includes: the fixing module 10 is suitable for being arranged on the battery pack and is welded and fixed with the battery pack. Further, as shown in fig. 21, the fixing module 10 may include a cylindrical body 101, a first flange 102 and a second flange 103, wherein the cylindrical body 101 extends in the axial direction of the fixing module 10, and the outer circumferential surface of the cylindrical body 101 is configured as a curved surface, thereby facilitating clamping of the fixing module 10 in cooperation with the clamping surface 22 of the locking member 2. The first flange 102 and the second flange 103 are respectively located at both ends of the cylindrical body 101, specifically, the first flange 102 is located at a free end portion of the cylindrical body 101, the second flange 103 is located at an end portion of the cylindrical body 101 opposite to the first flange 102 and spaced apart from the first flange 102, and the first flange 102 and the second flange 103 protrude in a radial direction from an outer peripheral surface of the cylindrical body 101. In this way, when the battery pack is loaded and unloaded by using the locking device 100, the locking member 2 is located between the first flange 102 and the second flange 103, and the upper end surface of the locking member 2 may be supported on the lower surface of the first flange 102, and the clamping surface 22 of the locking member 2 may clamp the outer circumferential surface of the cylindrical body 101, so that the fixing module 10 is clamped in a plurality of directions by using the locking member 2, thereby ensuring the installation stability of the battery pack.

Further, as shown in fig. 21, the fixing module 10 according to the embodiment of the present invention may further include: the in-place stopper 104, the in-place stopper 104 being disposed on the opposite side of the free end of the cylindrical body 101 next to the second flange 103, the in-place stopper 104 protruding radially beyond the outer circumferential surface of the cylindrical body 101 and beyond the outer circumferential surface of the second flange 103, alternatively, the in-place stopper 104 may have any shape as long as any form of the in-place stopper 104 having a sectional area larger than that of the second flange 103 is satisfied within the scope of the present invention, for example, in some embodiments, the in-place stopper 104 may be a circular disk or an elongated circular disk. Thus, when the fixed module 10 is fitted in the locking device 100, the first flange 102, the columnar body 101 and the second flange 103 are located in the housing 200 and fitted in the space formed by the fixing guide 3 and the locking member 2 of the locking device 100, and the positioning limit plate 104 is located outside the bottom wall of the housing 200, thereby functioning as a limit for the movement of the fixed module 10. And the in-place limiting plate 104 is suitable for being welded and fixed with the battery pack, so that the fixing module 10 is firmly connected with the battery pack, and the fixing module 10 is not easy to fall off from the battery pack.

Further, the thickness of the first flange 102 is greater than that of the second flange 103, and the first flange 102 is a main bearing part of the battery pack in the process of assembling and disassembling the battery pack, so that the thickness of the first flange 102 is greater than that of the second flange 103 to ensure the supporting strength of the first flange 102, and the service life of the fixed module 10 is prolonged.

Further, as shown in fig. 21, the outer circumferential surface of the first flange 102 away from the cylindrical body 101 may be provided with a guide surface 1021, so that the guide surface 1021 may play a role of guiding the fixing module 10 when the fixing module 10 is fitted into the locking device 100, thereby facilitating the installation of the battery pack.

Alternatively, the fixing modules 10 may be disposed at four corners of the battery pack, so that the plurality of fixing modules 10 can ensure that the battery pack is easily kept stable during the installation process, the plurality of fixing modules 10 share the gravity of the battery pack, the load borne by each fixing module 10 is small, and the fixing modules 10 are not easily damaged.

Optionally, the fixing module 10 according to the embodiment of the present invention may be a metal member, so that the fixing module 10 is conveniently and fixedly connected to the battery pack, and the fixing module 10 has high strength and long service life.

The operation of the locking device 100 according to the embodiment of the present invention is described in detail below with reference to fig. 1 to 21:

as shown in fig. 1-21, when the battery pack needs to be mounted, the self-locking release member 53 is lifted up by a tool, the self-locking release member 53 pushes the second locking member 52 to swing upward, so as to disengage from the first locking member 51, at this time, the locking between the first locking member 51 and the second locking member 52 is released, and at the same time, the driving rod 112 is rotated by the tool, so that the driving member 111 rotates around the rotation axis (e.g. clockwise), the driving member 111 rotates to drive the transmission module 12 to move, thereby driving the locking rod 21 on the locking member 2 to move in a direction away from the predetermined position, further driving the locking member 2 to move in a direction away from the predetermined position, extending the fixing module 10 out of the housing 200 into the locking device 100, and using the tool to rotate the driving rod 112 in an opposite direction (e.g. counterclockwise), thereby causing the transmission module 12 to rotate in a reverse direction, thereby make locking piece 2 to the direction motion that is close to predetermined position, and with fixed module 10 locking cooperation, and the up end of locking piece 2 and the lower surface laminating of first flange 102 are in order to support fixed module 10, the release instrument, make second locking piece 52 return under the effect of gravity or gravity and the elastic restoring force of torsional spring, thereby realize the locking with first locking piece 51, like this, can effectively avoid drive module 1 and transmission module 12 transmission connection relation failure under great load, or drive module 1 reverses and makes the battery package drop.

In summary, according to the locking device 100 of the embodiment of the invention, the battery pack replacement efficiency is high, the assembly time is saved, the battery pack is locked firmly after being installed, and the battery pack is not easy to loosen to cause potential safety hazards.

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 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 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 locking device (100), the locking device (100) comprising:

a drive module (1) and a transmission module (12), the drive module (1) being in transmission connection with the transmission module (12), and

a locking module and a fixed module (10), the locking module comprising a movable lock (2);

characterized in that at least a part of the securing module (10) is removably arranged at a predetermined position of the locking module, the transmission module (12) causes the locking member (2) to move towards the predetermined position to effect locking of the securing module (10), and the transmission module (12) causes the locking member (2) to move away from the predetermined position to effect unlocking of the securing module (10).

2. The locking device (100) according to claim 1, wherein a locking rod (21) is disposed on the locking member (2), a locking rod matching groove (122) is correspondingly disposed on the transmission module (12), the extending direction of the locking rod matching groove (122) deviates from the predetermined position, and the locking rod (21) slides in the locking rod matching groove (122) by the rotation of the transmission module (12).

3. Locking device (100) according to claim 1, wherein a fixing guide (3) is arranged between the transmission module (12) and the locking module, the fixing guide (3) comprising a plate-like body having a through hole at a position corresponding to the predetermined position, the plate-like body being provided with a plurality of longitudinally extending guide structures, the direction of extension of the guide structures being directed towards the predetermined position for guiding the locking element (2) in a reciprocating movement with respect to the predetermined position.

4. Locking device (100) according to claim 1, characterized in that the side of the locking element (2) facing the predetermined position is a clamping surface (22) facing the fixed module (10) at the predetermined position, the locking element (2) engaging with the fixed module (10) through end surfaces at both ends of the clamping surface (22).

5. Locking device (100) according to claim 1, characterized in that the drive module (1) is in driving connection with the transmission module (12) by means of a toothed engagement.

6. Locking device (100) according to claim 1, characterized in that said predetermined position is located in a central position surrounded by a plurality of said locking elements (2).

7. Locking device (100) according to claim 1, characterized in that said actuation module (1) comprises: the self-locking mechanism comprises a driving piece (111) and a self-locking assembly (5), wherein the driving piece (111) can rotate around a rotation axis, and the self-locking assembly (5) prevents the driving piece (111) from rotating around the rotation axis.

8. Locking device (100) according to claim 7, characterized in that said self-locking assembly (5) comprises:

a first locking member (51) and a second locking member (52), the first locking member (51) rotating synchronously with the driving member (111), and the first locking member (51) being provided with a self-locking portion (511) at a circumferential edge around the rotation axis, the second locking member (52) being removably fitted on the self-locking portion (511) to prevent the driving member (111) of the drive module (1) from rotating around the rotation axis by applying a resistance to the driving member (111) in the circumferential direction.

9. Locking device (100) according to claim 8, characterized in that said self-locking portion (511) comprises a groove (512) provided on a surface of said first locking member (51), said groove (512) cooperating with a locking hook (521) provided at a free end of said second locking member (52).

10. The locking device (100) of claim 8, further comprising: a self-locking release (53), the self-locking release (53) being movable towards the second latch (52) and continuing to move against the second latch (52) such that the second latch (52) can disengage from the first latch (51), and the self-locking release (53) being movable away from the second latch (52) and out of contact with the second latch (52) such that the second latch (52) returns and is in locking engagement with the first latch (51).

11. Locking device (100) according to claim 3, characterized in that said guiding structure comprises: and the primary guide structure protrudes out of the surface of the plate-shaped body.

12. The locking device (100) of claim 11, wherein the guide structure further comprises: a secondary guide structure recessed into a surface of the plate-shaped body, the primary guide structure and the secondary guide structure forming a dual guide structure, wherein the secondary guide structure is formed within the primary guide structure.

13. Locking device (100) according to claim 12, wherein the primary guiding structure is a sliding rail and the secondary guiding structure is a sliding groove extending along the sliding rail.

14. Locking device (100) according to claim 1, characterized in that said fixing module (10) comprises: the fixing module comprises a cylindrical body (101) extending along the axial direction of the fixing module (10) and a first flange (102) located at the end part of the cylindrical body (101), wherein the inner side surface of the first flange (102) can abut against the end surface of the clamping surface (22) of the locking piece (2) to generate a limiting effect.

15. Locking device (100) according to claim 14, characterized in that said fixing module (10) further comprises: a second flange (103), the second flange (103) being located at an end of the cylindrical body (101) opposite to the first flange (102), the first flange (102) and the second flange (103) protruding in a radial direction from an outer peripheral surface of the cylindrical body (101).

16. A vehicle, characterized by comprising a locking device (100) according to any one of claims 1-15, and further comprising: a housing (200), the housing (200) being adapted to be fixed to a vehicle body, the locking device (100) being received within the housing (200), the locking device (100) comprising: self-locking subassembly (5) and auto-lock release (53), the tip of auto-lock release (53) and actuating lever (112) of drive module (1) are worn out from the diapire of casing (200), self-locking subassembly (5) includes: a first latch member (51) and a second latch member (52), the second latch member (52) being pivotally connected to the housing (200).

17. The vehicle of claim 16, further comprising: the fixing module (10) is suitable for being arranged on the battery pack and fixed with the battery pack.