CN218929671U - Locking assembly capable of avoiding battery shaking and electric vehicle - Google Patents

Abstract

The utility model discloses a locking component for preventing a battery from shaking and an electric vehicle, which are used for locking the battery and comprise the following components: a support member; a first connector having a first end for locking engagement with the battery, an elastic portion, a middle portion, and a second end; the first end is connected with the middle part through the elastic part, and the middle part is connected with the second end; wherein the middle portion or the second end is connected to the support; and the adjusting piece is used for adjusting the distance between the first end and the middle part. To compensate for production errors, installation errors, use errors. When the space between the hasp on the battery and the second clamping groove is found, when the battery is locked, the first end can be pressed downwards through the rotating bolt, so that the second clamping groove and the hasp are propped against each other again, the battery is effectively prevented from shaking, the battery is prevented from being damaged, and normal use is guaranteed.

Description

Locking assembly capable of avoiding battery shaking and electric vehicle

Technical Field

The utility model relates to the technical field of electric vehicles, in particular to a locking assembly capable of preventing a battery from shaking and an electric vehicle.

Background

The electric vehicle is an electric drive vehicle, accords with the national development trend of energy conservation and environmental protection, has the advantages of small volume and convenient use, and has wide application prospect.

In the use process of the electric vehicle, the electric vehicle needs to be powered by a battery, the battery needs to be circularly charged after the electric quantity is used up, and the battery is an essential power unit for the electric vehicle.

In chinese patent application No.: CN201810738722.5 discloses an intelligent electric vehicle battery locking structure, including the battery support of fixed mounting on the frame, install the spring lock on the battery support, the spring lock includes spring bolt and reset spring, under the natural state reset spring makes the outer end of spring bolt is located the spring lock outside, be provided with on the battery support with the key jack that the spring lock is connected the setting, be provided with on the battery casing with the battery fore shaft that the spring bolt matees. The specification of the technical scheme states that' the key of the spring lock is inserted into the key jack 11 and rotated to drive the lock tongue 2 to move, so that the lock tongue 2 is withdrawn from the battery locking notch 31, and then the battery can be removed. When the battery is installed, the lock tongue needs to be driven by a key to move and is inserted into the battery lock catch 31. In the use process of the electric vehicle, in order to avoid battery shaking, the lock tongue 2 and the battery locking notch 31 need to be tightly pressed.

Chinese patent application No. filed before applicant: the utility model discloses a battery anti-theft structure of sharing electric scooter in CN202010468129.0, installation component installs on the frame, and battery pack includes battery body and handle, and the handle is installed in the upper end of battery body, and protection component includes the protecting cover, and the protecting cover is U-shaped structure, is equipped with the guide way of bearing battery body in the protecting cover, be equipped with the installation through-hole on the protecting cover, be equipped with the battery lock that runs through the installation through-hole on the frame and run through the bullet round pin of protecting cover, one side of battery body is equipped with and supplies battery lock male to put the lock to keep away empty slot, and the bottom of battery body is equipped with the battery slot, and installation component is equipped with the mounting groove including fixing the base on the frame, is equipped with the battery plug-in components with battery slot clearance fit in the mounting groove, put the lock keep away empty slot in be equipped with battery lock spring bolt overlap joint hasp, battery lock slope sets up. The bolt is compressed with the buckle 108.

Because production error, installation error and long-time use, because the spring bolt is stretched out the position basically fixed, can not guarantee that spring bolt and hasp laminating all the time, lead to battery and spring bolt to have the fit-up gap, lead to the battery to appear rocking, influence the use. In view of this, the applicant proposes further improvements with respect to the previously filed patent.

Disclosure of Invention

In order to solve at least one technical problem in the background art, the utility model provides a locking assembly capable of preventing a battery from shaking and an electric vehicle.

The utility model provides a locking component for preventing a battery from shaking, which is used for locking the battery and comprises the following components:

a support member;

a first connector having a first end for locking engagement with the battery, an elastic portion, a middle portion, and a second end; the first end is connected with the middle part through the elastic part, and the middle part is connected with the second end; wherein the middle portion or the second end is connected to the support;

and the adjusting piece is used for adjusting the distance between the first end and the middle part.

Preferably, the adjusting member includes a bolt screwed with the middle portion and abutted against the first end.

Preferably, the first end is provided with a first clamping groove matched with a hasp on the battery.

Preferably, the first end is provided with a wear-resistant piece, and the wear-resistant piece is provided with a second clamping groove matched with the hasp on the battery.

Preferably, the locking assembly further comprises:

the middle part is rotationally connected with the supporting piece through the first rotating shaft;

the lock comprises a lock tongue, and the lock tongue is matched with the second end.

Preferably, the moment arm L2 of the second end is greater than the moment arm L1 of the first end.

Preferably, the locking assembly further comprises:

a second rotating shaft;

the second connecting piece is rotationally connected with the supporting piece through the second rotating shaft and is provided with a third end and a fourth end, and the third end is used for being matched with the second end; wherein the force arm L4 of the fourth end is larger than the force arm L3 of the third end;

the lock tongue is matched with the fourth end, wherein,

when the locking assembly is in a locking state, the fourth end abuts against the lock tongue, and the third end abuts against the second end, so that the first connecting piece is prevented from rotating to lock the battery;

when the locking component is unlocked by the locking state, the fourth end can move relative to the lock tongue, and the first connecting piece can rotate under the action of external force so as to unlock the battery.

Preferably, the locking assembly further comprises a first elastic member, one end of the first elastic member is connected with or abutted against the supporting member, the other end of the first elastic member is connected with or abutted against the second connecting member, and the elastic force of the first elastic member enables the third end to have a trend away from the second end.

Preferably, the locking assembly further comprises a second elastic member, one end of the second elastic member is connected with or abutted against the supporting member, the other end of the second elastic member is connected with or abutted against the first connecting member, and the elastic force of the second elastic member enables the first connecting member to have a tendency of rotating so as to unlock the battery.

The utility model also discloses an electric vehicle, which comprises:

a battery having a buckle;

the vehicle body is provided with a battery compartment, and a plug-in terminal used for being connected with a terminal at the bottom of the battery is arranged in the battery compartment;

the locking assembly of any one of the claims, wherein the support is provided on the vehicle body.

The beneficial effects brought by one aspect of the utility model are as follows:

to compensate for production errors, installation errors, use errors. When the space between the hasp on the battery and the second clamping groove is found, when the battery is locked, the first end can be pressed downwards through the rotating bolt, so that the second clamping groove and the hasp are propped against each other again, the battery is effectively prevented from shaking, the battery is prevented from being damaged, and normal use is guaranteed.

Drawings

FIG. 1 is a schematic illustration of an electric vehicle of the present disclosure;

FIG. 2 is a schematic diagram of an electric vehicle with a battery locked according to the present disclosure;

FIG. 3 is a schematic diagram of an electric vehicle with the battery unlocked;

FIG. 4 is a schematic illustration of the components of the battery of the present disclosure when locked;

FIG. 5 is an enlarged schematic view of the present disclosure at P in FIG. 4;

FIG. 6 is a schematic illustration of a portion of the components of the disclosed battery when unlocked;

FIG. 7 is a schematic view of a lock according to the present disclosure;

FIG. 8 is an exploded view of embodiment 1 of the present disclosure;

FIG. 9 is an axial view of embodiment 1 of the present disclosure;

FIG. 10 is an axial view of a first connector of embodiment 1 of the present disclosure;

FIG. 11 is an axial view of a second connector of embodiment 1 of the present disclosure;

fig. 12 is a sectional view of the battery of embodiment 1 of the present disclosure when locked;

fig. 13 is a sectional view of the battery of embodiment 1 of the present disclosure at the start of unlocking;

fig. 14 is a cross-sectional view of the battery of embodiment 1 of the present disclosure when fully unlocked;

FIG. 15 is a cross-sectional view of the tongue of embodiment 1 of the present disclosure as it is reeved;

fig. 16 is a sectional view of the battery of embodiment 1 of the present disclosure at the start of locking;

FIG. 17 is a cross-sectional view of the tongue of embodiment 1 of the present disclosure beginning to retract;

FIG. 18 is a sectional view of the locking bolt of embodiment 1 of the present disclosure as it is gradually retracted;

FIG. 19 is a cross-sectional view of the locking bolt of embodiment 1 of the present disclosure fully retracted;

FIG. 20 is an axial view of embodiment 2 of the present disclosure;

FIG. 21 is an exploded view of embodiment 2 of the present disclosure;

fig. 22 is a sectional view of the battery of embodiment 2 of the present disclosure when locked;

fig. 23 is a sectional view of the battery of embodiment 2 of the present disclosure at the start of unlocking;

fig. 24 is a sectional view of the battery of embodiment 2 of the present disclosure after unlocking;

FIG. 25 is a cross-sectional view of the tongue of embodiment 2 of the present disclosure;

fig. 26 is a cross-sectional view of embodiment 3 of the present disclosure.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other; the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left" and "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the positions or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Embodiment 1, referring to fig. 1-19, a locking assembly for preventing battery shake according to the present utility model is used for locking a battery, and comprises:

a support 1 for supporting other components; a first shaft 2 is rotatably mounted on the support 1.

A first connecting member 3 rotatably connected to the support member 1 through the first rotating shaft 2, wherein the first connecting member 3 has a first end 301 and a second end 304, the first end 301 is used for locking and matching with the battery a, and the first connecting member 3 can rotate; wherein, in connection with fig. 5, the moment arm L2 of the second end 304 is greater than the moment arm L1 of the first end 301.

The locking assembly further includes:

a second shaft 5; a second connecting piece 6 rotatably connected to the supporting piece 1 through the second rotating shaft 5, wherein the second connecting piece 6 has a third end 601 and a fourth end 602, and the third end 601 is used for being matched with the second end 304; the second connecting piece 6 can rotate; wherein, (moment arm L4 of the fourth end 602 is moment arm L2 of the second end 304) > (moment arm L3 of the third end 601 is moment arm L1 of the first end 301), preferably, in this embodiment, moment arm L4 of the fourth end 602 is greater than moment arm L3 of the third end 601.

A lock 4 comprising a bolt 401, said bolt 401 cooperating with said fourth end 602, wherein,

referring to fig. 5 and 12, when the locking assembly is in the locked state, the fourth end 602 abuts against the locking tongue 401, and the third end 601 abuts against the second end 304, thereby preventing the first connector 3 from rotating to lock the battery a.

Referring to fig. 14, when the locking assembly is unlocked from the locked state, the fourth end 602 can move relative to the locking tongue 401, and the first connector 3 can rotate under the action of external force to unlock the battery a.

In use, with reference to fig. 5 and 12, the first end 301 abuts against the buckle a01 on the battery a, the extended lock tongue 401 abuts against the fourth end 602, and the third end 601 abuts against the second end 304, so that the first connecting member 3 and the second connecting member 6 are prevented from rotating to form a balanced state, and the battery a is locked.

During use, or when the battery a is manually pulled outwards, the battery a applies a force to the first end 301, and F1 is the force applied by the battery a to the first end 301; f2 is the force of the third end 601 against the second end 304, f3=f2, and F3 is the reaction force of the second end 304 against the third end 601. F4 is the force of the latch 401 to the fourth end 602, and the magnitude of the reaction force of the latch 401 to the fourth end 602 is also F4.

According to the principle of leverage, f1×l1=f2×l2, f3×l3=f4×l4, so f4= (f1×l1×l3)/(l2×l4)

It can be seen that F4 is far smaller than F1, the bolt 401 receives a small force, and the bolt 401 can retract smoothly.

The sizes of the specific L1, L2, L3 and L4 can be designed by the person skilled in the art according to the requirements and combining with specific vehicle types.

Of course, in another embodiment, L4 may be less than or equal to L3, so long as (L2 x L4) > (L1 x L3) is satisfied.

In conjunction with fig. 5, 12, 13, and 14, in order to separate the third end 601 and the second end 304 in time during unlocking, the first end 301 is conveniently and smoothly separated from the battery a, and the battery a is conveniently taken out.

In this embodiment, the locking assembly further includes a first elastic member 7, one end of the first elastic member 7 is connected to or abuts against the supporting member 1, the other end is connected to or abuts against the second connecting member 6, and the elastic force of the first elastic member 7 makes the third end 601 have a tendency to be away from the second end 304. The first elastic member 7 may be a tension spring, one end of which is connected to the support member 1 and the other end of which is connected to the second connecting member 6. To better pull the second connector 6 to rotate, a tension spring may be connected to the fourth end 602.

In the locked state, the tension spring is in the stretched state

Referring to fig. 13, when the lock tongue 401 is retracted during unlocking, the second connector 6 is rotated counterclockwise by the elastic force of the tension spring, the third end 601 is separated from the second end 304, and the first connector 3 can be rotated freely. The user can smoothly separate the battery a from the first end 301 and take out the battery a.

Referring to fig. 12, when the locking assembly is in the locked state, the fourth end 602 abuts against the side wall of the locking tongue 401. The fourth end 602 applies a force to the tongue 401 on the side wall of the tongue 401, and in fig. 12, the force to the tongue 401 is substantially horizontal, avoiding the application on the inclined surface of the tongue 401. The spring bolt 401 is prevented from being pressed back when a large external force acts on the battery A, and theft prevention can be effectively achieved. Unless the structure is broken, it is difficult to remove the battery a in the battery a locked state.

This embodiment proposes a tool to lock 4 structure, and in combination with fig. 7, specifically, the tool to lock 4 further includes:

a housing 402, which may be provided on the support 1; a slide bar 403 disposed within the housing 402; a sliding block 404, wherein the sliding block 404 and the locking tongue 401 are both slidably connected with the sliding rod 403; a spring 405 sleeved on the slide bar 403, and two ends of the spring are respectively connected with or abutted against the slide block 404 and the lock tongue 401; and a motor 406 is in transmission connection with the sliding block 404. The motor 406 can be connected with a control system of the electric vehicle, can be connected with the control system by utilizing a mobile phone APP, and can realize automatic locking and unlocking by utilizing the mobile phone APP. The applicant adopts locks manufactured by subfamily electronic technology limited company, for example, the technology of application number CN201711302304.3 can be adopted.

The motor 406 is used for driving the sliding block 404 to move, and the spring 405 is used for driving the lock tongue 401 to extend and retract.

Of course, in other embodiments, the lock 4 may be of other existing construction.

In order to realize automatic locking of the battery, the locking assembly further comprises an auxiliary piece 8, the auxiliary piece 8 is rotatably connected with the supporting piece 1, and when the lock tongue 401 stretches out, the auxiliary piece 8 abuts against the inclined surface of the lock tongue 401, as shown in fig. 12. The auxiliary element 8, the second connecting element 6 are located in the path of movement of the first connecting element 3, wherein;

in the process of locking the battery a, when the first connecting piece 3 rotates to be in contact with the auxiliary piece 8, the auxiliary piece 8 drives the auxiliary piece 8 to rotate, and the auxiliary piece 8 presses the lock tongue 401 to retract the lock tongue 401, so that the fourth end 602 is separated from the side wall of the lock tongue 401.

After the fourth end 602 is separated from the side wall of the locking bolt 401, the first connecting member 3 rotates to contact with the second connecting member 6, so as to drive the second connecting member 6 to rotate, so that the second end 304 is abutted against the third end 601 again.

Specifically, in this embodiment, the auxiliary member 8 is rotatably mounted on the second rotating shaft 5; when the auxiliary piece 8 is not in contact with the first connecting piece 3, one end of the auxiliary piece 8, which is close to the lock tongue 401, abuts against the second connecting piece 6, and the auxiliary piece 8 is located on the moving path of the lock tongue 401. Fig. 12 shows the same.

In order to realize automatic unlocking and automatically pushing out the battery A, the locking assembly further comprises a second elastic piece, one end of the second elastic piece is connected with or abutted against the supporting piece 1, the other end of the second elastic piece is connected with or abutted against the first connecting piece 3, and the elastic force of the second elastic piece enables the first connecting piece 3 to have a tendency of rotating so as to unlock the battery A.

Specifically, the second elastic element is a torsion spring 9, the torsion spring 9 is sleeved on the first rotating shaft 2, one end of the torsion spring 9 abuts against the supporting element 1, and the other end abuts against the first connecting element 3. The torsion spring 9 applies a force to the first link 3, giving the first link 3 a tendency to rotate anticlockwise.

Fig. 12 shows the present embodiment in a locked state.

As shown in fig. 13, the motor 406 drives the slider 404 to retract, and the spring 405 pulls the tongue 401 to retract. The second connecting member 6 rotates counterclockwise by the first elastic member 7, and the third end 601 is separated from the second end 304.

As shown in fig. 3 and 14, under the elasticity of the torsion spring 9, the first connecting piece 3 is driven to rotate anticlockwise, and the battery a is pushed out through the first end 301, so that the automatic pushing out of the battery a is realized, and the automation is improved. The user can directly lift the battery A.

Referring to fig. 15, after the motor 406 drives the latch 401 to retract, the latch 401 is driven to extend again, generally about 2 seconds, as shown in fig. 15, the side wall of the latch 401 abuts against the fourth end 602, and the inclined surface abuts against the auxiliary member 8.

Referring to fig. 16, when locked, a buckle a01 on battery a is brought into abutment with first end 301. Pushing battery a inwardly. The battery a presses the first end 301 to rotate the first connector 3 clockwise.

Referring to fig. 17, when the second end 304 contacts with the auxiliary member 8, the auxiliary member 8 is driven to rotate counterclockwise, and the auxiliary member 8 presses the inclined surface of the locking tongue 401, so that the locking tongue 401 is retracted against the elastic force of the spring 405.

With reference to fig. 18, as the battery a continues to be locked, as the first connector 3 continues to rotate clockwise, the second end 304 of the first connector 3 abuts against the second connector 6, driving the second connector 6 to rotate counterclockwise until the first connector 3 is separated from the second connector 6, as shown in fig. 19.

Under the action of the spring 405, the latch 401 extends to overcome the elastic force of the first elastic member 7, and pushes the second connecting member 6 and the auxiliary member 8 to rotate clockwise until the third end 601 is abutted against the second end 304 again as shown in fig. 12, and at this time, the battery a is in a locked state again.

It can be seen that, in this embodiment, when the battery a needs to be taken out during operation, the motor 406 is controlled to operate, so that the motor 406 drives the latch 401 to retract. After unlocking, under the action of the first elastic piece 7 and the second elastic piece, the battery A is automatically ejected.

About 2 seconds, the motor 406 automatically drives the bolt 401 to extend again. The motor 406 may be configured as an existing device. Such as locks manufactured by subfamily electronics, inc. used by the applicant.

When it is desired to reinstall battery a, the snap a01 of battery a is brought into abutment with the first end 301, pushing battery a inwardly, and battery a automatically locks.

Assuming that the auxiliary member 8 is not provided, as shown in fig. 15, when locking is required, since the second connecting member 6 abuts against the side wall of the latch 401. When the first connecting piece 3 is contacted with the second connecting piece 6, the second connecting piece 6 cannot be driven to rotate. The motor 406 needs to be reused to drive the bolt 401 to retract. After battery a is locked, the tongue 401 is pulled out again. As such, a plurality of operations are required.

In this embodiment, only one unlocking operation is needed, the motor 406 is used to drive the lock tongue 401 to retract once, and the subsequent battery a can be automatically locked, so that the operation is more convenient.

Further, the first end 301 abuts against the support 1 when the locking assembly is in the locked state. As shown in fig. 4 and 12, when locked, the first connecting piece 3 is limited by the battery a and the supporting piece 1, so as to avoid shaking, ensure that the battery a is effectively pressed and held, and avoid shaking of the battery a.

In order to better lock the battery a, the first end 301 is provided with a first clamping groove adapted to the hasp a01 on the battery a. In conjunction with fig. 8. In another implementation, a01 may be directly mounted in cooperation with the first card slot.

Further, the first end 301 is provided with a wear-resistant member 10, and the wear-resistant member 10 is provided with a second clamping groove 1001 adapted to the buckle a01 on the battery a.

The first connecting member 3 in this embodiment may be made of an aluminum alloy, reducing weight. To avoid wear, wear parts 10 may be provided, and the wear parts 10 may be made of stainless steel. Stainless steel is mounted to the first end 301 and the second clamping groove 1001 is engaged with the buckle a01 on the battery a. Excessive wear of the first end 301 is avoided. As shown in fig. 15.

Further, the first connecting piece 3 further has an elastic portion 302 and a middle portion 303, the first end 301 is connected to the middle portion 303 through the elastic portion 302, and the middle portion 303 is connected to the second end 304; wherein the middle part 303 is rotatably connected with the first rotating shaft 2; the elastic part 302 can be deformed, and the first end 301 can be adjusted to be spaced from the middle part 303 through the arrangement of the elastic part 302; the locking assembly further comprises an adjustment member 11 for adjusting the spacing between the first end 301 and the middle portion 303. The adjusting member 11 is a bolt, and the bolt is in threaded connection with the middle portion 303 and abuts against the first end 301.

To compensate for production errors, installation errors, use errors. When the space between the hasp A01 on the battery A and the second clamping groove 1001 is found, during locking, when the battery A shakes, the first end 301 can be pressed downwards by rotating the bolt, so that the second clamping groove 1001 and the hasp A01 are abutted again, and the battery A is effectively prevented from shaking.

Example 2: with reference to fig. 20-25; the difference between this embodiment and embodiment 1 is that the auxiliary member 8 is not provided in this embodiment, and the fourth end 602 in this embodiment abuts against the inclined surface of the latch 401.

In use, the buckle a01 on battery a is mated with the second card slot 1001.

With reference to fig. 22, the structure is in a locked state.

In connection with fig. 23, when unlocking is required, a command is issued, and the motor 406 is used to drive the lock tongue 401 to retract. The second link 6 rotates counterclockwise under the elastic force of the first elastic member 7.

Referring to fig. 24, the first connector 3 is rotated counterclockwise by the second elastic member to automatically eject the battery a.

As shown in fig. 25, the motor 406 drives the latch 401 to extend again.

When the battery a is locked, the battery a is made to abut against the second clamping groove 1001 again. Pushing battery a inwardly. The first connecting piece 3 is driven to rotate clockwise. The first connecting piece 3 drives the second connecting piece 6 to rotate anticlockwise. The fourth end 602 presses the locking bolt 401, allowing the locking bolt 401 to retract.

When the first connecting piece 3 is separated from the second connecting piece 6, under the action of the spring 405, the lock tongue 401 stretches out again, overcomes the elastic force of the first elastic piece 7, and makes the third end 601 abut against the second end 304, so that the battery A is in a locking state.

In this embodiment, the battery a can be automatically unlocked and locked only by one operation.

In embodiment 3, as compared with embodiment 2, referring to fig. 26, the first elastic member 7, the second connecting member 6, and the auxiliary member 8 are not provided, and the tongue 401 is directly abutted against the second end 304.

When unlocked, the locking bolt 401 is retracted. And the battery A is automatically ejected out by the elasticity of the second elastic piece.

When the battery a is locked, the tongue 401 is again extended after the battery a is mounted.

The battery a in this embodiment may be configured in a conventional manner, unlike embodiments 1 and 2.

If the same structure as in embodiments 1 and 2 is adopted, it is only necessary to let the first connecting piece 3 drive the lock tongue 401 to retract when locking, and when separating from the lock tongue 401, the lock tongue 401 stretches out again under the elasticity of the spring 405, and the second end 304 abuts against the side wall of the lock tongue 401.

Example 4, the main differences between this example and examples 1 or 2 are:

the force arm L2 of the second end is not greater than the force arm L1 of the first end, L2 may be less than or equal to L1; (moment arm L4 of the fourth terminal moment arm L2 of the second terminal moment arm L3 of the third terminal moment arm L1 of the first terminal), it is necessary to satisfy (L4 x L2) > (L3 x L1). The pressure to the lock tongue is reduced, and the lock tongue is convenient to retract.

Example 5: the main differences between this embodiment and embodiments 1-4 are: the battery is locked by the snap fit of the first clamping groove and the battery without the wear-resisting part.

Embodiment 6, in combination with fig. 1, 2, and 3, an electric vehicle includes:

a battery A with a hasp A01; the vehicle body B is provided with a battery compartment B01, and a plug-in terminal used for being connected with a bottom terminal of the battery A is arranged in the battery compartment B01; this embodiment also includes the locking assembly of embodiments 1, 2 or 3 or 4 or 5, wherein the support 1 is provided on the vehicle body B. The embodiment effectively realizes automatic locking and unlocking of the battery A, avoids the incapability of retracting the lock tongue 401, and avoids the damage to the shell due to overlarge stress of the lock tongue 401.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. A locking assembly for preventing battery wobble for locking a battery, comprising:

a support member;

a first connector having a first end for locking engagement with the battery, an elastic portion, a middle portion, and a second end; the first end is connected with the middle part through the elastic part, and the middle part is connected with the second end; wherein the middle portion or the second end is connected to the support;

and the adjusting piece is used for adjusting the distance between the first end and the middle part.

2. The locking assembly of claim 1 wherein the adjustment member comprises a bolt threadedly coupled to the central portion and abutting the first end.

3. The locking assembly of claim 1 wherein the first end is provided with a first detent adapted to mate with a catch on the battery.

4. The locking assembly of claim 1, wherein the first end is provided with a wear member having a second slot adapted to a snap fit on the battery.

5. The locking assembly of claim 1, wherein the locking assembly further comprises:

the middle part is rotationally connected with the supporting piece through the first rotating shaft;

the lock comprises a lock tongue, and the lock tongue is matched with the second end.

6. The locking assembly of claim 5 wherein the moment arm L2 of the second end is greater than the moment arm L1 of the first end.

7. The locking assembly of claim 6, further comprising:

a second rotating shaft;

the second connecting piece is rotationally connected with the supporting piece through the second rotating shaft and is provided with a third end and a fourth end, and the third end is used for being matched with the second end; wherein the force arm L4 of the fourth end is larger than the force arm L3 of the third end;

the lock tongue is matched with the fourth end, wherein,

when the locking assembly is in a locking state, the fourth end abuts against the lock tongue, and the third end abuts against the second end, so that the first connecting piece is prevented from rotating to lock the battery;

when the locking component is unlocked by the locking state, the fourth end can move relative to the lock tongue, and the first connecting piece can rotate under the action of external force so as to unlock the battery.

8. The locking assembly of claim 7 further comprising a first resilient member having one end connected to or abutting the support member and the other end connected to or abutting the second connector, the spring force of the first resilient member tending to urge the third end away from the second end.

9. The locking assembly of claim 5 further comprising a second resilient member having one end connected to or abutting the support member and the other end connected to or abutting the first connector member, the resilient force of the second resilient member tending to rotate the first connector member to unlock the battery.

10. An electric vehicle, comprising:

a battery having a buckle;

the vehicle body is provided with a battery compartment, and a plug-in terminal used for being connected with a terminal at the bottom of the battery is arranged in the battery compartment;

a locking assembly according to any one of claims 1 to 9, wherein the support is provided on the vehicle body.

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