CN211107037U

CN211107037U - Battery quick change mechanism, battery pack and vehicle

Info

Publication number: CN211107037U
Application number: CN201921733462.9U
Authority: CN
Inventors: 尚峰磊
Original assignee: Beijing Sankuai Online Technology Co Ltd
Current assignee: Beijing Sankuai Online Technology Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-28
Anticipated expiration: 2029-10-15

Abstract

The application provides a battery quick change mechanism, battery pack and vehicle belongs to vehicle chassis technical field. The battery quick-change mechanism comprises a battery bin, a first pressing piece, a first shaft, an elastic piece and a locking piece, wherein an opening is formed in the side wall of the battery bin; the first pressing piece is arranged in the battery bin through a first shaft and comprises a first pressing arm and a push bearing arm; the first pressing piece is used for limiting the movement of the battery in a first direction, when the battery is installed, the push-bearing arm is pushed by a first end wall of the battery to rotate to a first position along a first rotating direction, and the first pressing arm presses the side wall of the battery; the both ends of elastic component are connected with battery compartment, first pressure arm respectively. Adopt the battery quick change mechanism that this application provided, can solve among the correlation technique when changing the battery more loaded down with trivial details technical problem of operation.

Description

Battery quick change mechanism, battery pack and vehicle

Technical Field

The application relates to the technical field of vehicle chassis, in particular to a battery quick-change mechanism, a battery assembly and a vehicle.

Background

With the development of energy diversity, automobiles powered by batteries have appeared today. When the automobile is powered by a battery, the battery for supplying power is required to be fixed on the chassis.

In the related art, a battery is fixed to a chassis of an automobile using a screw.

In the course of implementing the present application, the inventors found that the related art has at least the following problems:

for the mode of using the screw to fix the battery in the related art, when the battery is required to be replaced, the screw also needs to be disassembled, and the operation is relatively complicated.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a quick battery change mechanism, a battery pack and a vehicle, and can solve the technical problems existing in the related art. The technical scheme of the battery quick-change mechanism, the battery component and the vehicle is as follows:

in a first aspect, a quick-change mechanism for a battery is provided, where the quick-change mechanism for a battery includes a battery compartment, a first pressing member, a first shaft, an elastic member, and a locking member, where:

an opening is formed in the side wall of the battery bin;

the first pressing piece is arranged in the battery compartment through a first shaft, the first shaft is vertical to a bottom plate of the battery compartment, and the first pressing piece comprises a first pressing arm and a push bearing arm;

the first pressing piece is used for limiting the movement of the battery in a first direction, when the battery is installed, the push-bearing arm is pushed by a first end wall of the battery to rotate to a first position along a first rotating direction, and the first pressing arm presses the side wall of the battery;

two ends of the elastic piece are respectively connected with the battery bin and the first pressing arm, and when the first pressing arm presses the side wall of the battery, the elastic piece is in a stretching state;

when the battery is disassembled, the first pressing piece rotates along a second rotating direction under the action of the pulling force of the elastic piece, the first pressing arm is separated from the side wall of the battery, and the second rotating direction is opposite to the first rotating direction;

the locking piece for the ascending motion of restriction battery in the second direction, the locking piece setting is in the open-ended edge of battery compartment, and the lockhole that locking piece and battery edge set up cooperatees.

Optionally, the battery quick-change mechanism further includes a second pressing member, a second shaft, and a linkage rod set;

the second pressing piece is arranged in the battery compartment through a second shaft, the second shaft is vertical to a bottom plate of the battery compartment, and the second pressing piece comprises a second pressing arm;

the linkage rod group comprises a first connecting rod, a second connecting rod and a third connecting rod, wherein the first end of the first connecting rod is fixedly connected with the first pressing piece, the second end of the first connecting rod is hinged with the first end of the second connecting rod, the second end of the second connecting rod is hinged with the first end of the third connecting rod, and the second end of the third connecting rod is fixedly connected with the second pressing piece;

the second compresses tightly the piece for the motion of restriction battery in the first direction, when the push-up arm rotated to the primary importance along first direction of rotation under the first terminal wall promotion of battery, first compressing tightly the piece and drive the second through the linkage rod group and compress tightly the lateral wall of battery to the second place, the second compresses tightly the arm.

Optionally, the first link rotates around a center line of the first shaft, the third link rotates around a center line of the second shaft, and the first link and the third link are parallel and equal in length.

Optionally, the first shaft is fixed inside the battery compartment, and the first pressing member is rotatably connected with the first shaft, or the first shaft is rotatably connected with the battery compartment, and the first pressing member is fixedly connected with the first shaft;

the second shaft is fixed inside the battery compartment, and the second compresses tightly the piece and is connected with the second shaft rotation, perhaps, the second shaft is connected with the battery compartment rotation, and the second compresses tightly piece and second shaft fixed connection.

Optionally, the number of the first pressing piece, the first shaft, the elastic piece, the second pressing piece, the second shaft and the linkage rod group is 2;

two first compressing parts, two first shafts, two elastic parts, two second compressing parts, two second shafts and two linkage rod groups are symmetrically arranged inside the battery bin.

Optionally, the first pressing piece comprises two first pressing pieces and a first connecting rod group, each first pressing piece comprises a first pressing arm and a push-bearing arm, and the two first pressing pieces are fixedly connected through the first connecting rod group;

the second pressing piece comprises two second pressing pieces and a second connecting rod group, each second pressing piece comprises a second pressing arm, and the two second pressing pieces are fixedly connected through the second connecting rod group.

Optionally, the first pressing member further includes a roller, the first connecting rod group includes a push arm connecting rod connecting ends of the two push arms, and the roller is rotatably connected to the push arm connecting rod;

when the battery is installed, the battery pushes the push arm to rotate to the first position along the first rotation direction through the push roller.

Optionally, the battery quick-change mechanism further includes two roller strips, and the two roller strips are arranged on a bottom plate of the battery compartment;

and a roller strip for contacting the bottom surface of the battery.

Optionally, the locking member includes a locking rod having an inclined surface facing the outside of the battery compartment;

the locking piece is arranged on the top plate of the battery compartment, and the thickness of the part of the locking rod with the inclined surface is gradually increased from the part close to the bottom plate to the part far away from the bottom plate.

In a second aspect, a battery assembly is provided, the battery assembly comprising a battery and the battery quick-change mechanism according to any one of the first aspect, wherein:

a lock hole matched with a lock piece of the battery quick-change mechanism is arranged at the edge of the battery;

the battery is installed in the battery quick-change mechanism.

Optionally, the side walls of the cell include a first side wall and a second side wall, and the first side wall and the second side wall are both provided with a first groove and a second groove, wherein the first side wall and the second side wall are opposite.

Optionally, a handle is disposed on a second end wall of the battery, wherein the second end wall is opposite to the first end wall.

In a third aspect, a vehicle is provided, the vehicle comprising a battery assembly according to any one of the second aspect, the battery assembly being disposed on a chassis of the vehicle.

The technical scheme provided by the embodiment of the application at least comprises the following beneficial effects:

the battery quick-change mechanism provided by the embodiment of the application can be installed on a chassis of a vehicle and used for installing a battery. When the battery is installed, the battery is pushed into the battery bin, the first end wall of the battery pushes the push bearing arm to rotate to the first position along the first rotating direction, and at the moment, the first pressing arm presses the side wall of the battery, so that the limitation of the battery in the first direction is completed. And then, locking the locking piece, namely, finishing the limiting of the battery in the second direction, and finishing the installation of the battery. When the battery needs to be replaced, the locking piece is opened and the battery is pulled out, namely, the battery is dismounted, and then the step of mounting the battery is repeated, namely, the replacement of the battery is completed. Therefore, when the battery is replaced, the battery quick-change mechanism provided by the embodiment of the application does not need to disassemble screws, and the operation is simpler.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. In the drawings:

fig. 1 is a schematic diagram of an internal structure of a quick-change mechanism for batteries according to an embodiment of the present application;

fig. 2 is a schematic view of a first pressing member 2 according to the embodiment of the present application;

fig. 3 is a schematic view of a second pressing member 6 according to the embodiment of the present application;

fig. 4 is a partial schematic view of a quick-change mechanism for a battery according to an embodiment of the present disclosure;

fig. 5 is a partial schematic view of a quick-change mechanism for a battery according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a roller bar 9 according to an embodiment of the present application;

fig. 7 is a schematic diagram of a battery quick-change mechanism with a roller strip 9 according to an embodiment of the present application;

fig. 8 is a schematic diagram of a battery 10 according to an embodiment of the present disclosure;

fig. 9 is an external view of a battery pack according to an embodiment of the present application;

fig. 10 is a schematic view of the internal structure of a battery pack according to an embodiment of the present application.

Description of the figures

1. The battery compartment, 2, the first compressing piece, 20, the first compressing piece, 201, the first compressing arm, 202, the push-bearing arm, 21, the first connecting rod group, 211, the push-bearing arm connecting rod, 22, the roller, 3, the first shaft, 4, the elastic piece, 5, the locking piece, 501, the locking rod, 6, the second compressing piece, 60, the second compressing piece, 601, the second compressing arm, 61, the second connecting rod group, 7, the second shaft, 8, the linkage rod group, 801, the first connecting rod, 802, the second connecting rod, 803, the third connecting rod, 9, the roller strip, 10, the battery, 100, the lock hole, 101, the first groove, 102, the second groove, 103, the handle.

With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application provides a quick battery change mechanism, and as shown in fig. 1, the quick battery change mechanism includes a battery compartment 1, a first pressing member 2, a first shaft 3, an elastic member 4, and a locking member 5. The side wall of the battery compartment 1 is provided with an opening. The first pressing member 2 is installed inside the battery compartment 1 through the first shaft 3, the first shaft 3 is perpendicular to the bottom plate of the battery compartment 1, and the first pressing member 2 includes a first pressing arm 201 and a push arm 202. The first pressing member 2 is used for limiting the movement of the battery 11 in a first direction, when the battery 11 is installed, the thrust arm 202 is rotated to a first position along a first rotating direction under the pushing of the first end wall of the battery 11, and the first pressing arm 201 presses the side wall of the battery 11. The first end of elastic component 4 is connected with the inner wall of battery compartment 1, and the second end of elastic component 4 is connected with first compressing tightly 2. When the battery 11 is disassembled, the first pressing member 2 is rotated in a second rotating direction opposite to the first rotating direction by the elastic member 4, and the first pressing arm 201 is separated from the side wall of the battery 11. And the locking piece 5 is used for limiting the movement of the battery 1 in the second direction, the locking piece 5 is arranged at the edge of the opening of the battery bin 1, and the locking piece 5 is matched with the locking hole 100 arranged at the edge of the battery 11.

Wherein the shape of the battery compartment 1 can be as shown in fig. 9.

The first pressing member 2 may have a shape as shown in fig. 2, and the first pressing member 2 may be provided with a convex chuck for connecting with the second end of the elastic member 4, so that the second end of the elastic member 4 can be hooked. Alternatively, the chuck is disposed on the first pressing arm 201, when the first pressing arm 201 presses the side wall of the battery 10, the elastic member 4 is in a stretched state, and when the battery 10 is disassembled, the first pressing member 2 rotates in the second rotation direction under the tensile force of the elastic member 4.

The first shaft 3 is a shaft-like part for mounting the first pressing member 2, and may be as shown in fig. 4.

The elastic member 4 may be a spring, or an elastic member such as an elastic string. The first end of elastic component 4 is connected with battery compartment 1 inner wall, and the second end is connected with first compressing tightly 2. Alternatively, the second end of the elastic member 4 may be connected to the first pressing arm 201 or the push arm 202. When the first pressing arm 201 presses the side wall of the battery 10, the elastic member 4 may be in a stretched state or in a compressed state. When the elastic member 4 is in a stretched state, the first pressing member 2 is rotated in the second rotational direction by a tensile force of the elastic member 4 when the battery 10 is detached; when the elastic member 4 is in a compressed state, the first pressing member 2 is rotated in the second rotational direction by the urging force of the elastic member 4 when the battery 10 is detached.

The locking member 5 may be an elastic lock, and as shown in fig. 5, the locking member 5 includes a locking lever 501, and the locking lever 501 has a slope facing the outside of the battery compartment 1. The lock 5 is provided on the ceiling of the battery compartment 1, and the thickness of the portion of the lock lever 501 having the slope gradually increases from near the bottom plate to far from the bottom plate.

The first direction is perpendicular to the second direction.

In implementation, the battery quick-change mechanism provided by the embodiment of the application can be mounted on a chassis of a vehicle and used for mounting a battery. When the battery is installed, the battery is pushed into the battery compartment 1, the first end wall of the battery pushes the push arm 202 to rotate to the first position along the first rotation direction, and at this time, the first pressing arm 201 presses the side wall of the battery, that is, the limit of the battery in the first direction is completed. Then, the locking member 5 is locked, that is, the battery is limited in the second direction, and the battery is mounted. When the battery needs to be replaced, the locking piece 5 is opened and the battery is pulled out, namely, the battery is dismounted, and then the step of mounting the battery is repeated, namely, the battery is replaced. The battery quick-change mechanism provided by the embodiment of the application has the advantages that when the battery is replaced, the screw does not need to be detached, the operation is simpler, and the battery replacement speed is higher.

Optionally, as shown in fig. 1, in order to make the battery more stable when installed in the battery quick-change mechanism, the battery quick-change mechanism further includes a second pressing member 6, a second shaft 7, and a linkage rod set 8. The second pressing member 6 is installed inside the battery compartment 1 through a second shaft 7, the second shaft 7 is perpendicular to the bottom plate of the battery compartment 1, and the second pressing member 6 comprises a second pressing arm 601. The linkage rod group 8 comprises a first connecting rod 801, a second connecting rod 802 and a third connecting rod 803, wherein the first end of the first connecting rod 801 is fixedly connected with the first pressing piece 2, the second end of the first connecting rod 801 is hinged with the first end of the second connecting rod 802, the second end of the second connecting rod 802 is hinged with the first end of the third connecting rod 803, and the second end of the third connecting rod 803 is fixedly connected with the second pressing piece 6. And the second pressing part 6 is used for limiting the movement of the battery in the first direction, when the push-bearing arm 202 is pushed by the first end wall of the battery and rotates to the first position along the first rotation direction, the first pressing part 2 drives the second pressing part 6 to rotate to the second position through the linkage rod group 8, and the second pressing arm 601 presses the side wall of the battery.

The linkage rod group 8 is a four-bar mechanism and can transmit the rotation of the first pressing piece 2 to the second pressing piece 6.

The second compression member 6 may be shaped as shown in fig. 3 and the second shaft 7 may be shaped as shown in fig. 4.

In implementation, when the battery is mounted, the first end wall of the battery pushes the push arm 202 to rotate along the first rotation direction, so that the first pressing member 2 rotates, the first link 801 rotates because the first link 801 is fixedly connected with the first pressing member 2, the first link 801 further rotates, the first link 801 drives the third link 803 to rotate through the second link 802, and the second pressing member 6 rotates because the third link 803 is fixedly connected with the second pressing member 6. Through the gesture of the first piece 2 and the second piece 6 that compresses tightly of design, can be so that first piece 2 that compresses tightly rotates to the first position, the second piece 6 that compresses tightly just in time rotates to the second position, also when first piece 2 that compresses tightly the battery, the second piece 6 that compresses tightly also just in time compresses tightly the battery. Therefore, the battery is more stable when being installed on the battery quick-change mechanism by additionally arranging the second pressing piece 6.

In order to make the battery more stable when being installed in the quick battery change mechanism, as shown in fig. 1, in one possible implementation manner, the number of the first pressing member 2, the first shaft 3, the elastic member 4, the second pressing member 6, the second shaft 7 and the linkage rod group 8 is 2. Two first compressing pieces 2, two first shafts 3, two elastic pieces 4, two second compressing pieces 6, two second shafts 7 and two linkage rod groups 8 are symmetrically arranged inside the battery compartment 1. Through the arrangement, when the batteries are installed, the pressing pieces (comprising the first pressing piece 2 and the second pressing piece 6) on two sides of the battery compartment 1 press the batteries tightly.

Alternatively, as shown in fig. 1, the linkage rod group 8 may be a parallelogram four-bar mechanism, and the corresponding structure may be as follows, the first link 801 rotates around the center line of the first shaft 3, the third link 803 rotates around the center line of the second shaft 7, and the first link 801 and the third link 803 are parallel and equal in length.

In implementation, the first link 801, the second link 802 and the third link 803 form a parallelogram four-bar mechanism, so that the rotation of the first link 801 and the third link 803 are more synchronous, and further the compression of the first compression part 2 and the second compression part 6 is more synchronous, thereby facilitating the compression of the battery.

Optionally, in order to facilitate the rotational installation of the first compressing member 2 and the second compressing member 6, the corresponding structure may be as follows, the first shaft 3 is fixed inside the battery compartment 1, and the first compressing member 2 is rotationally connected with the first shaft 3, or the first shaft 3 is rotationally connected with the battery compartment 1, and the first compressing member 2 is fixedly connected with the first shaft 3. The second shaft 7 is fixed inside the battery compartment 1, and the second pressing piece 6 is rotatably connected with the second shaft 7, or the second shaft 7 is rotatably connected with the battery compartment 1, and the second pressing piece 6 is fixedly connected with the second shaft 7.

The fixing of the first shaft 3 inside the battery compartment 1 may mean that two ends of the first shaft 3 are respectively fixed on a top plate and a bottom plate of the battery compartment 1, or that one end of the first shaft 3 is fixed on the bottom plate of the battery compartment 1 (as shown in fig. 4). The rotational connection between the first shaft 3 and the battery compartment 1 may mean that two ends of the first shaft 3 are respectively rotationally connected with a top plate and a bottom plate of the battery compartment 1, or that one end of the first shaft 3 is rotationally connected with the bottom plate of the battery compartment 1 (as shown in fig. 4).

The second shaft 7 is fixed inside the battery compartment 1, which may mean that two ends of the second shaft 7 are respectively fixed on a top plate and a bottom plate of the battery compartment 1, or that one end of the second shaft 7 is fixed on the bottom plate of the battery compartment 1 (as shown in fig. 4). The rotational connection between the second shaft 7 and the battery compartment 1 may mean that two ends of the second shaft 7 are respectively rotationally connected with a top plate and a bottom plate of the battery compartment 1, or that one end of the second shaft 7 is rotationally connected with the bottom plate of the battery compartment 1 (as shown in fig. 4).

In one possible implementation, the first shaft 3 is fixed inside the battery compartment 1, that is, the first shaft 3 cannot rotate, and the first pressing member 2 is rotatably connected to the first shaft 3, and specifically, the first pressing member 2 may be rotatably connected to the first shaft 3 through a bearing, so that the first pressing member 3 can rotate around the first shaft 3. In another possible implementation manner, the first shaft 3 is rotatably connected to the battery compartment 1, specifically, bearings may be disposed at two ends of the first shaft 3, the first shaft 3 is rotatably connected to the battery compartment 1 through the bearings, and the first pressing member 2 is fixedly connected to the first shaft 3, so that the first pressing member 3 may rotate together with the first shaft 3.

Correspondingly, in a possible implementation manner, the second shaft 7 is fixed inside the battery compartment 1, that is, the second shaft 7 cannot rotate, and the second pressing member 6 is rotatably connected with the second shaft 7, specifically, the second pressing member 6 can be rotatably connected with the second shaft 7 through a bearing, so that the second pressing member 6 can rotate around the second shaft 7. In another possible implementation manner, the second shaft 7 is rotatably connected with the battery compartment 1, specifically, bearings may be disposed at two ends of the second shaft 7, the second shaft 7 is rotatably connected with the battery compartment 1 through the bearings, and the second pressing member 6 is fixedly connected with the second shaft 7, so that the second pressing member 6 may rotate together with the second shaft 7.

Optionally, in order to make the pressing member press the battery more reliably, as shown in fig. 2 and 3, the first pressing member 2 includes two first pressing pieces 20 and a first connecting rod group 21, each first pressing piece 20 includes a first pressing arm 201 and a push-bearing arm 202, and the two first pressing pieces 20 are fixedly connected through the first connecting rod group 21. The second pressing member 6 includes two second pressing pieces 60 and a second connecting rod group 61, each second pressing piece 60 includes a second pressing arm 601, and the two second pressing pieces 60 are fixedly connected with each other through the second connecting rod group 61.

The first connecting rod group 21 includes a thrust arm connecting rod 211 connecting the ends of the two thrust arms 202, a connecting rod connecting the ends of the two first pressing arms 201, and a connecting rod located at the junction of the thrust arm 202 and the first pressing arm 201. As shown in fig. 2, the connecting rod located at the junction of the push arm 202 and the first pressing arm 201 may be fixedly connected to the first connecting rod 801, and the connecting rod is coaxial with the first shaft 3.

The second connecting rod group 22 includes a connecting rod connecting first ends of the two second pressing arms 601, and a connecting rod connecting second ends of the two second pressing arms 601. As shown in fig. 3, a connecting rod connecting the first ends of the two second pressing arms 601 may be fixedly connected to the third connecting rod 803, and the connecting rod is coaxial with the second shaft 7.

In implementation, by making the first pressing member 2 include two first pressing pieces 20 and making the second pressing member 6 include two second pressing pieces 20, each pressing member has two positions to press the battery, so that the pressing of the first pressing member 2 and the second pressing member 6 on the battery is more reliable, and thus, when the battery is installed in the battery quick-change mechanism, the battery is more stable.

Optionally, in order to make the battery installation more smooth, as shown in fig. 2, the first pressing member 2 further includes a roller 22, the first connecting rod group 21 includes a push arm connecting rod 211 connecting the ends of the two push arms 202, and the roller 22 is rotatably connected to the push arm connecting rod 211. When the battery is mounted, the battery pushes the push arm 202 to rotate to the first position in the first rotation direction by the push roller 22.

In practice, roller 22 may be rotatably coupled to thrust arm coupling rod 211 by a bearing. The outer diameter of the roller 22 should be larger than the width of the push arm 202 to ensure that the first end wall of the battery first contacts the roller 22 when the battery is installed.

The battery quick-change mechanism provided by the embodiment of the application directly contacts the push arm 202 by arranging the roller 22 on the push arm connecting rod 211, and directly pushes the push arm 202 to the first position, so that the push arm 202 is indirectly pushed to the first position by pushing the roller 22. Therefore, the original sliding friction is changed into rolling friction, the abrasion to the battery in the battery installation process is reduced, the battery is installed more smoothly, and the battery is more labor-saving in replacement.

Optionally, in order to make the battery installation more labor-saving, as shown in fig. 7, the quick-change mechanism for a battery provided in the embodiment of the present application further includes two roller strips 9, and the two roller strips 9 are disposed on the bottom plate of the battery compartment 1. A roller strip 9 for contacting the bottom surface of the battery 10.

As shown in fig. 6, the roller bar 9 is a member including a plurality of rollers.

In practice, the roller strip 9 comprises a base on which a plurality of rollers are mounted, and a plurality of rollers, the base being fixed on the floor of the battery compartment 1. In one possible implementation, the base is welded to the floor of the battery compartment 1. In another possible implementation manner, a through hole for fixing is provided on the base, and the base is in threaded connection with the bottom plate of the battery compartment 1 through a screw.

The battery quick change mechanism that this application embodiment provided sets up two gyro wheel strips 9 through the bottom plate at battery compartment 1 for when the installation battery, the bottom surface and the contact of gyro wheel strip 9 of battery, thereby become rolling friction with the sliding friction of the bottom plate of battery compartment 1 originally, alleviateed the wearing and tearing to the battery bottom surface, also make more laborsaving during the installation battery.

The embodiment of the present application provides a battery pack, as shown in fig. 9 and 10, including a battery 10 and a battery quick-change mechanism as described in any one of the foregoing. The edge of the battery 10 is provided with a lock hole 100 which is matched with the locking piece 5 of the battery quick-change mechanism. The battery 10 is installed in the battery quick-change mechanism.

Where the edge of the battery 10 refers to a side of the top wall of the battery 10 near the second end wall, referring to fig. 8, the locking hole 100 is located on the top wall of the battery 10.

In practice, the locking hole 100 and the locking member 5 are used together to restrict the movement of the battery 10 in the second direction, as can be seen in fig. 5.

The battery pack provided by the embodiment of the application can be installed on a chassis of a vehicle. When it is necessary to replace the battery 10 in the battery module, the lock member 5 is first opened and the battery 10 is pulled out, i.e., the removal of the battery 10 is completed. Then, the battery 10 to be mounted is pushed into the battery compartment 1, and the first end wall of the battery 10 pushes the push arm 202 to rotate to the first position along the first rotation direction, at which time the first pressing arm 201 presses the side wall of the battery 10, i.e. the limit of the battery 10 in the first direction is completed. Then, the locking member 5 is locked, that is, the battery 10 is completely restrained in the second direction, and the replacement of the battery is completed. When the battery 10 in the battery pack provided by the embodiment of the application is replaced, the screw does not need to be detached, the operation is simpler, and the replacement speed of the battery is higher.

Alternatively, in order to make the battery 10 more stable when mounted in the battery quick-change mechanism, as shown in fig. 8, the side wall of the battery 10 includes a first side wall and a second side wall, and the first side wall and the second side wall are each provided with a first groove 101 and a second groove 102.

Wherein the first sidewall and the second sidewall are opposite.

Since each first pressing member 2 includes two first pressing arms 201 and each second pressing member 6 includes two second pressing arms 601, two first grooves 101 and two second grooves 102 are respectively disposed on the first side wall and the second side wall.

In operation, the first recess 101 is adapted to the shape of the first pressure arm 201 of the first pressure element 2, and the second recess 102 is adapted to the shape of the second pressure arm 601 of the second pressure element 6. When the battery 10 is installed in the battery quick-change mechanism, the first pressing arm 201 is inserted into the first groove 101, and the second pressing arm 601 is inserted into the second groove 102, so that the battery 10 is not easy to shake and is more stable. In one possible implementation, a flexible pad may be provided on the first pressing arm 201 or in the first groove 101 to make the first pressing arm 201 and the first groove 101 more compact, and a flexible pad may be provided on the second pressing arm 601 or in the second groove 102 to make the second pressing arm 601 and the second groove 102 more compact.

To facilitate insertion of the pressing arms into the grooves, in one possible implementation, the thickness of the ends of the first pressing arm 201 and the second pressing arm 601 gradually decreases in a direction away from the ends; the thicknesses (i.e., the distances between the upper and lower inner walls) of the first and

second grooves

101 and 102 are gradually reduced along the depth direction of the grooves. Thereby, the hold-down arm is conveniently aligned with the groove.

Optionally, in order to facilitate the assembly and disassembly of the battery 10, as shown in fig. 8, a handle 103 is disposed on the second end wall of the battery 10.

Wherein the second end wall is opposite the first end wall.

In practice, the shape of the handle 103 may be as shown in fig. 8. Through setting up handle 103, not only can make things convenient for the staff to remove battery 10 when dismouting battery 10 to, in the handling of battery 10, also be convenient for the staff hand-held battery 10.

The embodiment of the application provides a vehicle, and the vehicle comprises any one of the battery assemblies, and the battery assembly is arranged on a chassis of the vehicle.

The vehicle may be any vehicle that uses a battery as a power source, and specifically, may be an unmanned vehicle.

In practice, the battery compartment 1 of the battery assembly may be fixed to the chassis of the vehicle.

According to the vehicle provided by the embodiment of the application, when the battery 10 is installed, the battery 10 is pushed into the battery compartment 1 of the chassis, the first end wall of the battery 10 pushes the push arm 202 to rotate to the first position along the first rotation direction, and at this time, the first pressing arm 201 presses the side wall of the battery 10, that is, the limit of the battery 10 in the first direction is completed. Then, the locking member 5 is locked, that is, the position limitation of the battery 10 in the second direction is completed, and the installation of the battery 10 is completed. When the battery 10 needs to be replaced, the lock member 5 is opened and the battery is pulled out, that is, the removal of the battery 10 is completed, and then, the above-described step of mounting the battery 10 is repeated, that is, the replacement of the battery 10 is completed. The vehicle that this application embodiment provided need not dismantle the screw when changing the battery, and the operation is fairly simple, and the speed of changing the battery is very fast.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The quick battery change mechanism is characterized by comprising a battery bin (1), a first pressing piece (2), a first shaft (3), an elastic piece (4) and a locking piece (5), wherein:

the side wall of the battery compartment (1) is provided with an opening;

the first pressing piece (2) is installed inside the battery compartment (1) through a first shaft (3), the first shaft (3) is perpendicular to a bottom plate of the battery compartment (1), and the first pressing piece (2) comprises a first pressing arm (201) and a thrust arm (202);

the first pressing piece (2) is used for limiting the movement of the battery (10) in a first direction, when the battery (10) is installed, the push-bearing arm (202) is pushed by the first end wall of the battery (10) to rotate to a first position along a first rotating direction, and the first pressing arm (201) presses the side wall of the battery (10);

two ends of the elastic piece (4) are respectively connected with the battery bin (1) and the first pressing arm (201), and when the first pressing arm (201) presses the side wall of the battery (10), the elastic piece (4) is in a stretching state;

when the battery (10) is disassembled, the first pressing piece (2) rotates along a second rotating direction under the pulling force of the elastic piece (4), the first pressing arm (201) is separated from the side wall of the battery (10), and the second rotating direction is opposite to the first rotating direction;

the locking piece (5) is used for limiting the movement of the battery (10) in the second direction, the locking piece (5) is arranged at the edge of an opening of the battery bin (1), and the locking piece (5) is matched with a locking hole (100) formed in the edge of the battery (10).

2. The quick-change mechanism for batteries according to claim 1, characterized in that it further comprises a second pressing member (6), a second shaft (7) and a linkage rod set (8);

the second pressing piece (6) is installed inside the battery compartment (1) through a second shaft (7), the second shaft (7) is perpendicular to a bottom plate of the battery compartment (1), and the second pressing piece (6) comprises a second pressing arm (601);

the linkage rod group (8) comprises a first connecting rod (801), a second connecting rod (802) and a third connecting rod (803), wherein the first end of the first connecting rod (801) is fixedly connected with the first pressing piece (2), the second end of the first connecting rod (801) is hinged with the first end of the second connecting rod (802), the second end of the second connecting rod (802) is hinged with the first end of the third connecting rod (803), and the second end of the third connecting rod (803) is fixedly connected with the second pressing piece (6);

the second pressing piece (6) is used for limiting the movement of the battery (10) in the first direction, when the push-bearing arm (202) is pushed by the first end wall of the battery (10) to rotate to the first position along the first rotating direction, the first pressing piece (2) drives the second pressing piece (6) to rotate to the second position through the linkage rod set (8), and the second pressing arm (601) presses the side wall of the battery (10).

3. The quick-change mechanism for batteries according to claim 2, characterized in that the first link (801) rotates around the center line of the first shaft (3) and the third link (803) rotates around the center line of the second shaft (7), and the first link (801) and the third link (803) are parallel and equal in length.

4. The quick-change mechanism for the batteries according to claim 2, characterized in that the first shaft (3) is fixed inside the battery compartment (1) and the first pressing member (2) is rotationally connected with the first shaft (3), or the first shaft (3) is rotationally connected with the battery compartment (1) and the first pressing member (2) is fixedly connected with the first shaft (3);

the second shaft (7) is fixed in the battery compartment (1), the second pressing piece (6) is rotatably connected with the second shaft (7), or the second shaft (7) is rotatably connected with the battery compartment (1), and the second pressing piece (6) is fixedly connected with the second shaft (7).

5. The quick battery change mechanism according to claim 2, wherein the number of the first pressing member (2), the first shaft (3), the elastic member (4), the second pressing member (6), the second shaft (7) and the linkage rod group (8) is 2;

two first pressing pieces (2), two first shafts (3), two elastic pieces (4), two second pressing pieces (6), two second shafts (7) and two linkage rod sets (8) are symmetrically arranged inside the battery bin (1).

6. The quick-change mechanism for the batteries is characterized in that the first pressing piece (2) comprises two first pressing pieces (20) and a first connecting rod set (21), each first pressing piece (20) comprises a first pressing arm (201) and a thrust arm (202), and the two first pressing pieces (20) are fixedly connected through the first connecting rod set (21);

the second pressing piece (6) comprises two second pressing pieces (60) and a second connecting rod group (61), each second pressing piece (60) comprises a second pressing arm (601), and the two second pressing pieces (60) are fixedly connected through the second connecting rod group (61).

7. The quick-change mechanism for batteries according to claim 6, characterized in that the first pressing member (2) further comprises a roller (22), the first connecting rod set (21) comprises a push-bearing arm connecting rod (211) connecting the ends of the two push-bearing arms (202), and the roller (22) is rotatably connected with the push-bearing arm connecting rod (211);

when the battery (10) is installed, the battery (10) pushes the push arm (202) to rotate to a first position along a first rotating direction through the push roller (22).

8. The quick-change mechanism for batteries according to claim 1, characterized in that it further comprises two roller strips (9), two roller strips (9) being arranged on the bottom plate of the battery compartment (1);

and the roller strip (9) is used for contacting the bottom surface of the battery (10).

9. The quick-change mechanism for batteries according to any one of claims 1 to 8, characterized in that the locking member (5) comprises a locking rod (501), the locking rod (501) has a slope, the slope faces the outside of the battery compartment (1);

the locking piece (5) is arranged on the top plate of the battery compartment (1), and the thickness of the part of the locking rod (501) with the inclined surface is gradually increased from the part close to the bottom plate to the part far away from the bottom plate.

10. A battery pack, characterized in that it comprises a battery (10) and a battery quick-change mechanism according to any one of claims 1-9, wherein:

a lock hole (100) matched with a lock piece (5) of the battery quick-change mechanism is arranged at the edge of the battery (10);

a battery (10) is mounted in the battery quick-change mechanism.

11. The battery assembly according to claim 10, wherein the side walls of the battery (10) comprise a first side wall and a second side wall, each provided with a first groove (101) and a second groove (102), wherein the first side wall and the second side wall are opposite.

12. A battery pack according to any of claims 10 or 11, characterized in that a handle (103) is arranged on a second end wall of the battery (10), wherein the second end wall is opposite to the first end wall.

13. A vehicle, characterized in that the vehicle comprises a battery assembly according to any one of claims 10-12, which battery assembly is arranged on the chassis of the vehicle.