CN113525164A

CN113525164A - Quick-change locking mechanism assembly for battery replacement and electric automobile

Info

Publication number: CN113525164A
Application number: CN202111016686.XA
Authority: CN
Inventors: 李玉军; 侯艳丽; 高敏; 胡万泉; 石岩石; 李飞; 李鸿键; 常林
Original assignee: Beijing Shengneng Energy Technology Co Ltd
Current assignee: Beijing Shengneng Energy Technology Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-10-22

Abstract

The utility model relates to an electric automobile battery changes the field, the utility model provides a trade electricity with quick change locking mechanical system assembly and electric automobile, including be used for with automobile body fixed connection's lockpin end (1), be used for with battery package fixed connection's battery end (2), lockpin end (1) one end can stretch into along the axial in battery end (2), the locking that can unblock in battery end (2) lockpin end (1), lockpin end (1) with be provided with bolster (3) between battery end (2). The quick-change locking mechanism assembly for battery replacement provided by the disclosure can solve the problem that a battery pack is replaceable when the vehicle body is not damaged.

Description

Quick-change locking mechanism assembly for battery replacement and electric automobile

Technical Field

The utility model relates to an electric automobile battery changes the field, specifically relates to a trade quick change locking mechanism assembly and electric automobile for electricity.

Background

An electric vehicle is a vehicle completely powered by a rechargeable battery. Because various types of storage batteries generally have the serious defects of high price, short service life, large overall dimension and weight, long charging time and the like, the electric automobile is only applied in certain specific range all the time, and the market is small.

In order to expand the application range of the electric automobile, the battery pack needs to provide power energy for the electric automobile for a long time, but the battery pack generally has the defects of long charging time and incapability of providing power storage capacity for long-time driving, so that how to make the battery pack replaceable becomes one of the key directions of current research under the condition of not damaging the automobile body.

Disclosure of Invention

The purpose of this disclosure is to provide a trade quick change locking mechanism assembly for electricity, this trade quick change locking mechanism assembly for electricity can solve how to make the battery package removable under the condition of not injuring the automobile body.

In order to achieve the above object, the present disclosure provides a quick-change locking mechanism assembly for replacing a battery, including a lock pin end for fixedly connecting with a vehicle body, and a battery end for fixedly connecting with a battery pack, where one end of the lock pin end can axially extend into the battery end, the battery end can unlock and lock the lock pin end, and a buffer member is disposed between the lock pin end and the battery end.

Optionally, the buffer member is provided as an elastic member that is elastically deformable in the axial direction.

Optionally, the buffer member is formed as a rubber pad, and an insertion hole is opened in the buffer member, through which the latch end can be inserted into the battery end.

Optionally, the rubber pad is provided with a compression hole, and the compression hole extends from the insertion hole to penetrate through the rubber pad in the radial direction.

Optionally, the buffer is detachably connected to a side of the battery end facing the latch end.

Optionally, a connecting piece is arranged on the buffer piece, and a connecting groove used for being clamped with the connecting piece is arranged at the battery end.

Optionally, the connecting piece sets up to follow the joint piece that bolster inner wall circumference set up, the joint piece is followed the bolster inner wall extends along radial inside, the battery end orientation the one side of lockpin end is provided with the connecting block, the connecting block is offered and is used for inserting the centre bore of lockpin end, the connecting block can stretch into in the patchhole, the connecting groove sets up on the connecting block towards the one side of bolster, be used for with joint piece joint.

Optionally, a first chamfer is formed at the opening of the central hole, and a second chamfer is formed on the outer wall of one side, facing the lock pin end, of the connecting block.

Optionally, the lockpin end includes the automobile body lockpin, the battery end includes the retaining member that can be attracted by the external magnetic field, the elastic component that is used for supporting the retaining member, sets up the lock tube of toper inner chamber, and when no external magnetic field, the elastic component supports the retaining member and is located the locking position of the narrower department of toper inner chamber, and during the external magnetic field, the retaining member overcomes under the attraction in magnetic field the elasticity of elastic component removes to the unlocking position of the wider department of toper inner chamber, and when being located the locking position, the retaining member is in the spacing locking of toper inner chamber inner wall the automobile body lockpin, when being located the unlocking position, toper inner chamber inner wall is to the spacing of retaining member is relieved, the retaining member loosens the automobile body lockpin.

According to a second aspect of the present disclosure, an electric vehicle is provided, wherein the vehicle body is fixedly connected with the lock pin end, and the battery pack is fixedly connected with the battery end.

According to the technical scheme, when an old battery pack needs to be detached from a vehicle body, the battery end unlocks the lock pin end, and the lock pin end is taken out from between the buffer piece and the battery end, so that unlocking is completed; when the battery pack is required to be installed on the automobile body, the lock pin end is inserted into the battery end, the battery end is locked, the installation is completed, in the running process of the automobile, the buffer piece serves as the buffer between the lock pin end and the battery end, the possibility of collision between the lock pin end and the battery end is reduced, the damage to the automobile body caused by shaking is reduced, and the battery pack can be replaced conveniently under the condition that the automobile body is not damaged.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic structural diagram of a quick-change locking mechanism assembly for battery replacement according to an embodiment of the disclosure;

fig. 2 is a cross-sectional view of a quick-change locking mechanism assembly for replacing batteries according to an embodiment of the disclosure.

Description of the reference numerals

1. A latch end; 2. a battery terminal; 201. a locking member; 202. an elastic member; 203. a lock sleeve; 204. a conical lumen; 3. a buffer member; 4. an insertion hole; 5. a compression hole; 6. a connecting member; 7. connecting grooves; 8. connecting blocks; 9. a central bore; 10. a first chamfer; 11. and (7) second chamfering.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner wall, outer wall" refers to a wall surface facing toward or away from the vehicle body lock pin, unless otherwise specified; the "axial direction" refers to a direction along the length of the vehicle body lock pin, and the "circumferential direction" refers to a direction of circular motion with the "radial direction" as a center point.

Referring to fig. 1 and 2, in order to achieve the above purpose, the present disclosure provides a quick-change locking mechanism assembly for changing a battery, including a lock pin end 1 for fixed connection with a vehicle body and a battery end 2 for fixed connection with a battery pack, where one end of the lock pin end 1 can axially extend into the battery end 2, the battery end 2 can unlock the lock pin end 1, and a buffer member 3 is disposed between the lock pin end 1 and the battery end 2.

According to the technical scheme, when an old battery pack needs to be dismounted from the vehicle body, the battery end 2 is enabled to unlock the lock pin end 1, the lock pin end 1 is taken out from between the buffer piece 3 and the battery end 2, and unlocking is completed; when the battery package is installed to the automobile body in needs, insert in the terminal 2 of lockpin with lockpin end 1, make the terminal 2 of lockpin lock the terminal 1 of lockpin, accomplish the installation, at the in-process of vehicle operation, bolster 3 reduces the possibility of striking between lockpin end 1 and the terminal 2 of battery as the buffering between terminal 1 of lockpin and the terminal 2 of battery, reduces and rocks the automobile body damage that brings, is convenient for realize under the condition of not injuring the automobile body that the battery package is removable.

As an alternative embodiment, the buffer member 3 is provided as an elastic member 202, and the elastic member 202 can be elastically deformed in the axial direction. After the battery pack is installed on a vehicle, in the running process of the vehicle, the battery pack shakes in the running process, the elastic piece 202 can deform in the axial direction, the impact force of the battery pack in the axial direction is absorbed, the possibility that the battery pack shakes to impact the vehicle in the running process is reduced, and the damage to the vehicle body due to the detachable structure of the battery pack is reduced.

As an alternative embodiment, the buffer member 3 is formed as a rubber pad, and the buffer member 3 is formed with an insertion hole 4, through which the latch end 1 can be inserted into the battery end 2. The rubber pad can absorb the impact force that the battery package rocked and brought, reduces the injury that bolster 3 itself led to the fact the automobile body simultaneously.

As an alternative embodiment, the rubber pad is provided with compression holes 5, and the compression holes 5 radially extend from the insertion holes 4 through the rubber pad. The rubber pad is provided with the compression hole 5, so that the deformation capacity of the rubber pad in the axial direction is increased, the absorption capacity of the rubber pad on the impact force of the battery pack is improved, and the protection capacity of the buffer piece 3 on the vehicle body is further enhanced.

Referring to fig. 1 and 2, as an alternative embodiment, the buffer member 3 is detachably connected to a surface of the battery end 2 facing the latch end 1. After the buffer member 3 is old, the old buffer member 3 is convenient to detach and replace with a new buffer member 3, and the possibility that the buffer member 3 cannot absorb the impact force of the battery pack due to the old buffer member 3 is reduced.

As an alternative embodiment, the buffer element 3 is provided with a connecting element 6, and the battery end 2 is provided with a connecting groove 7 for engaging with the connecting element 6. The buffer member 3 is mounted on the battery end 2 through the connecting member 6 and the connecting groove 7, so that the buffer member 3 can protect the vehicle body in the driving process.

As an optional implementation mode, the connecting member 6 is provided as a clamping block arranged along the circumferential direction of the inner wall of the buffer member 3, the clamping block extends radially inward from the inner wall of the buffer member 3, the connecting block 8 is arranged on one side of the battery end 2 facing the locking pin end 1, the connecting block 8 is provided with a central hole 9 for inserting the locking pin end 1, the connecting block 8 can extend into the insertion hole 4, and the connecting groove 7 is arranged on the connecting block 8 facing one side of the buffer member 3 and used for clamping with the clamping block. When needing to install bolster 3 to battery end 2, with joint piece joint to spread groove 7 in, be convenient for install bolster 3 to battery end 2 on, lockpin end 1 can insert battery end 2 through centre bore 9 in, be convenient for lockpin end 1 and battery end 2 be connected.

As an alternative embodiment, the opening of the central hole 9 is provided with a first chamfer 10, and the outer wall of the connecting block 8 facing the lock pin end 1 is provided with a second chamfer 11. The first chamfer 10 provides a guiding function for the latch end 1 when the latch end 1 is inserted into the battery end 2, and the second chamfer 11 provides a guiding function for the buffer 3 when the buffer 3 is detached and installed, so that the buffer 3 can be detached conveniently.

Referring to fig. 1 and 2, as an alternative embodiment, the locking pin end 1 includes a vehicle body locking pin, and the battery end 2 includes a locking member 201 capable of being attracted by an applied magnetic field, an elastic member 202 for supporting the locking member 201, and a lock sleeve 203 with a tapered inner cavity 204. In this embodiment, the elastic member 202 is configured as a compression spring, the locking member 201 is configured as an accommodating tray and a locking bead, the accommodating tray can move axially under the action of a magnetic field, the locking bead can move radially in the accommodating tray, when no external magnetic field exists, the elastic member 202 supports the locking member 201 at a locking position where the tapered inner cavity 204 is narrower, when the external magnetic field exists, the locking member 201 overcomes the elastic force of the elastic member 202 under the attraction of the magnetic field and moves to an unlocking position where the tapered inner cavity 204 is wider, when the locking member is located at the locking position, the locking member 201 locks the vehicle body lock pin under the limit of the inner wall of the tapered inner cavity 204, when the locking member is located at the unlocking position, the limit of the inner wall of the tapered inner cavity 204 to the locking member 201 is released, and the locking member 201 releases the vehicle body lock pin. When an old battery pack needs to be disassembled, an external magnetic field is arranged on one surface, far away from the vehicle body, of the battery end 2, the external magnetic field attracts the containing disc to overcome the resistance of the compression spring to drive the locking balls to move downwards, the containing disc enters a wider area of the conical cavity, the space of the locking balls moving in the radial direction is increased, the binding force of the locking balls on the vehicle body lock pins is weakened, the vehicle body lock pins are pulled out, and the old battery pack is unlocked; when installing new battery package, cancel external magnetic field, use external force to promote the battery package, insert the automobile body lockpin in battery end 2, retaining member 201 overcomes compression spring's elasticity downwards under the effect of external force, the locking pearl is at the radial displacement of footpath, the lockpin main part inserts back external force and weakens the thrust of retaining member 201, retaining member 201 resets the narrower region in finger conical cavity under compression spring's effect, the locking pearl is chucking recess under the pressure of conical cavity inner wall, pin automobile body lockpin, thereby realize lockpin end 1 and battery end 2's being connected, install new battery package to the automobile body on, realize the convenient change of battery package, in the vehicle driving process, bolster 3 absorbs the impact force that the battery package rocked and bring, reduce the damage of battery package to the automobile body under the removable prerequisite of not influencing the battery package.

According to another aspect of the present disclosure, an electric vehicle is provided, in which a vehicle body is fixedly connected to a latch terminal 1, and a battery pack is fixedly connected to a battery terminal 2.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides a trade electricity with quick change locking mechanism assembly, its characterized in that, including be used for with automobile body fixed connection's lockpin end (1), be used for with battery package fixed connection's battery end (2), lockpin end (1) one end can stretch into along the axial in battery end (2), but the locking of battery end (2) unblock lockpin end (1), lockpin end (1) with be provided with bolster (3) between battery end (2).

2. The quick-change locking mechanism assembly for battery replacement according to claim 1, wherein the buffer member (3) is provided as an elastic member (202), and the elastic member (202) can be elastically deformed in the axial direction.

3. The quick-change locking mechanism assembly for battery replacement according to claim 2, wherein the buffer member (3) is formed as a rubber pad, an insertion hole (4) is formed in the buffer member (3), and the latch end (1) can be inserted into the battery end (2) through the insertion hole (4).

4. The quick-change locking mechanism assembly for battery replacement as claimed in claim 3, wherein the rubber pad is provided with a compression hole (5), and the compression hole (5) radially extends from the insertion hole through the rubber pad.

5. The quick-change locking mechanism assembly for battery replacement according to claim 1, wherein the buffer member (3) is detachably connected with a surface of the battery end (2) facing the latch end (1).

6. The quick-change locking mechanism assembly for battery replacement according to claim 5, wherein the buffer member (3) is provided with a connecting member (6), and the battery end (2) is provided with a connecting groove (7) for clamping with the connecting member (6).

7. The quick-change locking mechanism assembly for battery replacement according to claim 6, wherein the connecting piece (6) is provided with a clamping block circumferentially arranged along the inner wall of the buffer piece (3), the clamping block extends radially inwards from the inner wall of the buffer piece (3), a connecting block (8) is arranged on one surface of the battery end (2) facing the locking pin end (1), a central hole (9) for inserting the locking pin end (1) is formed in the connecting block (8), the connecting block (8) can extend into the insertion hole (4), and the connecting groove (7) is arranged on the connecting block facing one surface of the buffer piece (3) and used for clamping with the clamping block.

8. The quick-change locking mechanism assembly for battery replacement according to claim 7, wherein a first chamfer (10) is formed at an opening of the central hole (9), and a second chamfer (11) is formed on an outer wall of one surface of the connecting block (8) facing the lock pin end (1).

9. The quick-change locking mechanism assembly for battery replacement according to claim 1, wherein the locking pin end (1) comprises a vehicle body locking pin, the battery end (2) comprises a locking member (201) capable of being attracted by an applied magnetic field, an elastic member (202) for supporting the locking member (201), and a locking sleeve (203) provided with a tapered inner cavity (204), the elastic member (202) supports the locking member (201) at a locking position where the tapered inner cavity (204) is narrower in the absence of the applied magnetic field, the locking member (201) moves to an unlocking position where the tapered inner cavity (204) is wider under the attraction of the magnetic field against the elastic force of the elastic member (202) in the presence of the applied magnetic field, the locking member (201) locks the vehicle body locking pin under the limit of the inner wall of the tapered inner cavity (204) in the locking position, and in the unlocking position, the limiting of the inner wall of the conical inner cavity (204) on the locking piece (201) is released, and the locking piece (201) releases the vehicle body locking pin.

10. An electric vehicle, which comprises a vehicle body and a battery pack, and is characterized in that the electric vehicle comprises the quick-change locking mechanism assembly for battery replacement according to any one of claims 1 to 9, the vehicle body is fixedly connected with a lock pin end (1), and the battery pack is fixedly connected with a battery end (2).