CN115339308A

CN115339308A - Battery switching device, power battery and vehicle

Info

Publication number: CN115339308A
Application number: CN202211111533.8A
Authority: CN
Inventors: 朱钰峰; 胡万泉
Original assignee: Beijing Shengneng Energy Technology Co Ltd
Current assignee: Beijing Shengneng Energy Technology Co Ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-11-15

Abstract

The invention belongs to the technical field of vehicle battery replacement, and discloses a battery switching device, a power battery and a vehicle, wherein the battery switching device comprises a battery installation frame, a switching installation part and one or more vehicle body installation beams, the power battery is locked or unlocked with a switching end locking component on the battery installation frame through a battery end locking component, the battery installation frame is fixed on a vehicle end longitudinal beam through the vehicle body installation beams and the switching installation part, and the battery switching device is used as an installation medium between the power battery and a vehicle body, so that the requirement of converting the power battery into a battery replacement type vehicle model can be met on the basis of not changing the original structure of the vehicle, the vehicle production line does not need to be greatly changed, and the research, development and production cost is reduced. In addition, the vehicle body mounting beam is adjustably mounted on the vehicle end side frame through the switching mounting piece along the length direction of the vehicle end side frame, the mounting position of the battery switching device can be adjusted adaptively during mounting, and certain manufacturing and assembling errors can be allowed.

Description

Battery switching device, power battery and vehicle

Technical Field

The invention relates to the technical field of vehicle battery replacement, in particular to a battery switching device, a power battery and a vehicle.

Background

Currently, the battery box of the electric vehicle is generally installed in a fixed type and a replaceable type, wherein the fixed type battery box is fixedly installed on the electric vehicle, and the electric vehicle is directly used as a charging object during charging. The replaceable battery box is generally detachably mounted, and the battery box can be taken down at any time and replaced with a new one, which is called battery replacement. Compared with a charging mode, the battery replacement mode has the characteristics of short battery replacement time, high operation efficiency, long battery service life, low difficulty in building a battery charging and replacing station and the like, has outstanding advantages in energy supply and trip rate, avoids the process that a user waits for the vehicle to be fully charged for a long time, and is beneficial to development of new energy vehicles.

In view of the outstanding advantages of the power conversion type vehicle, research for improving the fuel oil type vehicle and the charging type vehicle into the power conversion type vehicle is gradually popularized. However, most of the vehicles on the market, such as passenger cars, light trucks, commercial cars, heavy trucks, etc., need to be modified from the original fuel type or charging type to the power-exchanging type, and accordingly, some manufacturing assembly stations need to be added or modified to improve the production line of the vehicles, which inevitably increases the manufacturing cost and research and development investment, and is time-consuming and labor-consuming.

Disclosure of Invention

The invention aims to provide a battery switching device, a power battery and a vehicle, which can meet the requirement of converting the vehicle into a battery-replaceable vehicle type on the basis of not changing the original structure of the vehicle, do not need to greatly change the vehicle production line and reduce the research and development and production cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, a battery adapter device is provided, which includes:

the battery installing frame is provided with a plurality of switching end locking assemblies, the switching end locking assemblies are distributed in the circumferential direction and the middle part of the battery installing frame and are configured to be locked with the battery end locking assemblies in a one-to-one correspondence manner;

one or more vehicle body mounting beams connected to the battery mounting frame;

the vehicle body mounting beam is provided with one or a plurality of adapter mounting pieces along the length direction of the vehicle body mounting beam, and the adapter mounting pieces are configured to be mounted on the vehicle end longitudinal beams in a position adjustable along the length direction of the vehicle end longitudinal beams.

As a preferred embodiment of the battery adapter device provided by the present invention, the power battery includes a lower box body and two end upper box covers arranged at an interval, the two end upper box covers are respectively fastened to two ends of the lower box body, and the battery mounting frame includes:

the frame main body comprises a plurality of frame beams which are sequentially connected end to end, the transfer end locking assembly is arranged on the frame beams, and the battery end locking assembly is arranged on the lower box body;

two that the interval set up hold the frame, two hold the frame and locate protrudingly respectively the both ends of frame main part to all inject and hold the cavity, two case lid one-to-one holds in two on the tip hold in the cavity that holds of frame.

As a preferable scheme of the battery switching device provided by the invention, the accommodating frame comprises a square frame structure and supporting beams distributed at intervals along the circumferential direction of the square frame structure, one end of each supporting beam far away from the square frame structure is connected to the corresponding side frame beam, a reinforcing cross beam and/or a first reinforcing oblique beam are/is arranged in the square frame structure, and a second reinforcing oblique beam is arranged between the square frame structure and the side frame beam.

As a preferable aspect of the battery transfer apparatus provided by the present invention, the two accommodating frames are disposed at intervals in the width direction of the vehicle end side member, and one side of each of the two accommodating frames facing each other is connected to one of the vehicle body mounting members.

As a preferable scheme of the battery adapter device provided by the present invention, the power battery further includes a middle upper box cover disposed between the two end upper box covers and fastened to the lower box body, the middle upper box cover includes a plurality of convex shells disposed at intervals along a length direction of the vehicle-end longitudinal beam, the battery mounting frame further includes one or a plurality of inner mounting beams disposed at intervals along the length direction of the vehicle-end longitudinal beam, the inner mounting beams are connected between the two accommodating frames and provided with the adapter locking assembly, avoiding openings are defined between the inner mounting beams and the frame beams and between two adjacent inner mounting beams, and the convex shells pass through the avoiding openings one-to-one correspondingly.

As a preferable scheme of the battery adapter device provided by the present invention, a third reinforcing oblique beam is connected between the inner mounting beam and the accommodating frame, and the third reinforcing oblique beam is provided with one or a plurality of beams distributed along the circumferential direction of the inner mounting beam.

As a preferable aspect of the battery adapter device provided by the present invention, the vehicle body mounting beam is disposed in a middle portion of the accommodating frame, a first reinforcing upright beam connected to the accommodating frame is disposed on an upper side of the vehicle body mounting beam, and a second reinforcing upright beam connected to both the accommodating frame and the frame beam is disposed on a lower side of the vehicle body mounting beam.

The battery adapter device provided by the invention preferably further comprises at least one adapter mounting piece, wherein the adapter mounting piece comprises a first plate and a second plate which are vertically connected, the first plate is connected to the vehicle body mounting beam, the second plate is connected to the vehicle end longitudinal beam in a position-adjustable manner, and one or more triangular reinforcing plates are arranged between the first plate and the second plate.

As a preferable scheme of the battery adapter provided by the invention, the battery adapter further comprises a fastener, a plurality of first connecting holes are arranged on the end longitudinal beam of the vehicle at intervals along the length direction of the end longitudinal beam, a second connecting hole is arranged on the second plate, and the fastener penetrates through the second connecting hole and any one of the first connecting holes.

As a preferable scheme of the battery adapter device provided by the present invention, the vehicle end longitudinal beam is provided with a plurality of first connection holes distributed in a rectangular array, and the second plate is provided with a plurality of second connection holes distributed in a rectangular array.

As a preferable embodiment of the battery adapter device provided by the present invention, the adapter end locking assembly includes a locking nut disposed on the frame beam, the battery end locking assembly includes a locking bolt rotatable with respect to the lower case, and the locking bolt passes through the frame beam and is screwed with the locking nut.

As a preferred scheme of the battery adapter device provided by the invention, the frame beam is vertically provided with a through mounting hole, a bushing is arranged in the mounting hole, the upper surface and the lower surface of the bushing are flush with the upper surface and the lower surface of the frame beam, and the locking bolt is arranged in the bushing in a penetrating manner.

In a second aspect, a power battery is provided, which includes a lower box body, a plurality of first carrier beams are circumferentially arranged on the lower box body, a second carrier beam is arranged in the middle of the lower box body, battery end locking assemblies are arranged on the first carrier beam and the second carrier beam, and the battery end locking assemblies are detachably connected to the battery installation frame of the battery adapter device.

In a third aspect, a vehicle is provided, which comprises a power battery, a vehicle end longitudinal beam and the battery adapter device.

The invention has the beneficial effects that:

the invention provides a battery switching device, a power battery and a vehicle, wherein the battery switching device comprises a battery installation frame, a switching installation piece and one or more vehicle body installation beams, the power battery is locked or unlocked with a switching end locking assembly on the battery installation frame through a battery end locking assembly, and the battery installation frame is fixed on a vehicle end longitudinal beam through the vehicle body installation beams and the switching installation piece, so that the power battery is fixed with a vehicle body. Through the repeated disassembly and assembly of the power battery and the battery installation frame, the battery replacement of the vehicle can be realized. The battery switching device is arranged as an installation medium between the power battery and the vehicle body, so that the requirement that the vehicle is converted into a battery replacing type vehicle model can be met on the basis that the original structure of the vehicle is not changed, the vehicle production line does not need to be greatly changed, and the research, development and production cost are reduced. In addition, the vehicle body mounting beam of the battery switching device is adjustably mounted on the vehicle end longitudinal beam along the length direction of the vehicle end longitudinal beam through the switching mounting piece, the mounting position of the battery switching device can be adaptively adjusted during mounting, certain manufacturing and assembling errors can be allowed, the battery switching device can be smoothly mounted on a vehicle body, and the flexibility and the practicability are stronger. In addition, the battery installation frame is provided with the switching end locking assemblies along the circumferential direction and the middle position, and all the switching end locking assemblies are correspondingly locked with the battery end locking assemblies one by one. Moreover, the setting up of switching installed part makes being connected between battery installation frame and the car end longeron more convenient, compares the technical scheme who is connected the automobile body installation roof beam directly with the car end longeron, and its operation degree of difficulty reduces, and the dismouting is more smooth.

Drawings

FIG. 1 is a schematic view of a power battery provided by an embodiment of the present invention mounted to a vehicle end rail via a battery adapter;

FIG. 2 is an exploded schematic view of FIG. 1;

fig. 3 is a first installation diagram of a power battery and a battery adapter according to an embodiment of the present invention;

FIG. 4 is a second schematic view of the power battery and battery adapter according to the embodiment of the present invention;

FIG. 5 is a first view of a battery adapter according to an embodiment of the present invention;

FIG. 6 is a second view of a battery adapter device according to an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a top view of a battery adapter according to an embodiment of the present invention;

FIG. 9 is a first view of a power cell provided in accordance with an embodiment of the present invention;

FIG. 10 is a partial view of a power cell provided in accordance with an embodiment of the present invention;

FIG. 11 is a second view of a power cell provided in accordance with an embodiment of the present invention (with the top cover hidden in the middle);

fig. 12 is a third view of a power cell provided in accordance with an embodiment of the present invention (with the top cover hidden in the middle);

FIG. 13 is a schematic view of the installation of a locking mechanism provided in accordance with an embodiment of the present invention;

FIG. 14 is a schematic view of the locking mechanism of the present invention mounted to a frame rail;

fig. 15 is a schematic view of the connection of an adapter mount to a vehicle end rail according to an embodiment of the present invention.

In the figure:

1. a battery mounting frame; 2. a vehicle body mounting beam; 3. a transfer mounting member;

11. a frame main body; 12. a housing frame; 13. an inner mounting beam; 14. avoiding the mouth; 15. a third reinforcing stringer; 16. a fourth reinforcing stringer;

111. a frame beam; 112. an inner connecting beam; 1111. mounting holes; 1112. a bushing;

121. a housing chamber; 122. a square frame structure; 123. a support beam; 124. a reinforcing cross beam; 125. a second reinforcing stringer;

21. a first reinforcing upright beam; 22. a second reinforcing vertical beam;

31. a first plate; 32. a second plate; 33. a triangular reinforcing plate; 311. a third connecting hole; 321. a second connection hole;

100. a battery transfer device; 200. a power battery; 300. a vehicle end longitudinal beam; 400. a locking mechanism;

201. a lower box body; 202. the end part is provided with a box cover; 203. the middle part is provided with a box cover;

2011. a first load beam; 2012. a second load beam; 2013. a via hole; 2031. a convex shell;

301. a first connection hole;

401. a battery end locking assembly; 402. a switching end locking assembly;

4011. locking the bolt; 4012. installing a sleeve; 4013. a connecting plate;

4021. locking the nut; 4022. and (5) fixing the box.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of operation, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

As shown in fig. 1 to 4, the present embodiment provides a battery adapter device including a battery mounting frame 1, an adapter fitting 3, and one or more vehicle body mounting beams 2.

Referring to fig. 1, in the present embodiment, power battery 200 is detachably connected to battery mounting frame 1 through locking mechanism 400, and locking mechanism 400 includes battery end locking assembly 401 and adaptor end locking assembly 402 (as shown in fig. 14), where battery end locking assembly 401 is disposed on power battery 200, adaptor end locking assembly 402 is disposed on battery mounting frame 1, and power battery 200 can be replaced through repeated detachment between battery end locking assembly 401 and adaptor end locking assembly 402.

Referring to fig. 1, fig. 2 and fig. 3 specifically, a plurality of transfer end locking assemblies 402 are arranged on the battery mounting frame 1, and the plurality of transfer end locking assemblies 402 are distributed in the circumferential direction and the middle of the battery mounting frame 1 and are correspondingly locked or unlocked with the battery end locking assemblies 401 on the power battery 200 one by one. The battery mounting frame 1 is fixed to the vehicle end side member 300 via the vehicle body mounting beam 2 and the adapter fitting 3, thereby fixing the power battery 200 to the vehicle body. The power of the vehicle can be changed by repeatedly disassembling and assembling the power battery 200 and the battery installation frame 1. The battery switching device 100 is used as an installation medium between the power battery 200 and the vehicle body, and can meet the requirement of converting the power battery into a battery-replaceable vehicle type on the basis of not changing the original structure of the vehicle, without greatly changing the vehicle production line, and reduce the research and development and production cost. In addition, the vehicle body mounting beam 2 of the battery adapter device 100 is adjustably mounted on the vehicle end longitudinal beam 300 along the longitudinal direction of the vehicle end longitudinal beam 300 through the adapter mounting piece 3, so that the mounting position of the battery adapter device 100 can be adaptively adjusted during mounting, certain manufacturing and assembling errors can be allowed, the battery adapter device 100 can be smoothly mounted on the vehicle body, and the flexibility and the practicability are stronger.

In addition, the battery mounting frame 1 is provided with the switching end locking assemblies 402 along the circumferential direction and in the middle position, and all the switching end locking assemblies 402 are correspondingly locked with the battery end locking assemblies 401 one by one, compared with the prior art in which only the vehicle end locking assemblies are arranged on the vehicle end longitudinal beams 300, the battery mounting frame 1 of the invention can be provided with more and reasonably distributed switching end locking assemblies 402, thereby effectively improving the stability of the power battery 200 after being mounted on a vehicle body. Moreover, the setting of switching installed part 3 makes being connected between battery installation frame 1 and the car end longeron 300 more convenient, compares the technical scheme who is connected car body installation roof beam 2 directly with car end longeron 300, and its operation degree of difficulty reduces, and the dismouting is more smooth.

One or more vehicle body attachment members 2 may be provided as long as they can be connected to the end side members 300 so as to be adjustable in position. The arrangement of the plurality of vehicle body mounting beams 2 can ensure the connection strength between the battery adapter 100 and the vehicle end longitudinal beam 300, ensure the mounting stability, and can be selected according to specific requirements during actual design. Similarly, the adapter fitting 3 may be provided in one piece on the vehicle body installation beam 2 or in plural pieces along the longitudinal direction of the vehicle body installation beam 2.

Referring to fig. 3 and 9, the power battery 200 includes a lower case 201 and two end upper case covers 202 arranged at intervals, the lower case 201 and the end upper case covers 202 are both shell-shaped structures with cavities being concavely formed, and the two end upper case covers 202 are respectively fastened to two ends of the lower case 201 to form a cavity for accommodating a battery module. Referring to fig. 5 and 6, the battery mounting frame 1 includes a frame main body 11 and two receiving frames 12 disposed at an interval. The frame main body 11 includes a plurality of frame beams 111 that are connected end to end in sequence, and the frame beams 111 are detachably connected with the lower box 201 of the power battery 200. Specifically, the battery mounting frame 1 is provided with a circumferential relay terminal locking member 402 on the frame beam 111 and a battery terminal locking member 401 on the lower case 201. Further, the frame body 11 is a rectangular structure, and includes four frame beams 111 connected end to end in sequence, the adaptor end locking assembly 402 is disposed on the frame beams 111, and the battery end locking assembly 401 is disposed on the lower case 201 of the power battery 200. The two accommodating frames 12 are respectively protruded from two ends of the frame body 11 and each define an accommodating chamber 121, the opening of the accommodating chamber 121 faces downward, and when the power battery 200 is installed, the covers 202 on two ends of the power battery 200 correspondingly extend into the accommodating chambers 121 of the two accommodating frames 12, as shown in fig. 3 and 4. After the power battery 200 is installed, the two end upper covers 202 are accommodated in the corresponding accommodating chambers 121, and the accommodating frame 12 can protect the end upper covers 202 against collision.

The receiving frame 12 includes a square frame structure 122 and a plurality of supporting beams 123 spaced along the circumference of the square frame structure 122, and one end of the supporting beams 123 far away from the square frame structure 122 is connected to the border beam 111, i.e. the square frame structure 122 is spaced above the border beam 111. Specifically, the frame body 11 further includes two inner connection beams 112. Referring to fig. 5, 6 and 7, the inner connection beam 112 is disposed inside a rectangular structure defined by the four frame beams 111 for mounting the receiving frame 12. Referring to the orientation of fig. 5, the plurality of support beams 123 on one side of the frame structure 122 are connected to the frame beam 111, and the plurality of support beams 123 on the other side are connected to the inner connecting beam 112, i.e., the inner connecting beam 112 provides a mounting pivot for the plurality of support beams 123 on the other side of the frame structure 122.

Further, referring to fig. 5, 6 and 7, a reinforcing cross member 124 and/or a first reinforcing oblique member is disposed inside the frame structure 122. In this embodiment, the frame structure 122 has a plurality of reinforcing beams 124 arranged in parallel at intervals to ensure that the accommodating frame 12 has sufficient strength and is not easily deformed. In other embodiments, the number and distribution of the reinforcing beams 124 and the first reinforcing oblique beams can be set as required. Illustratively, a first reinforcing oblique beam is arranged between the reinforcing cross beam 124 and the box structure 122, so as to form a triangular reinforcing structure, which effectively improves the deformation resistance of the box structure 122. A second reinforcing diagonal member 125 is disposed between the frame structure 122 and the frame member 111, and a plurality of second reinforcing diagonal members 125 are disposed to form a plurality of triangular reinforcing structures between the frame structure 122 and the frame member 111, thereby ensuring the strength and stability of the entire receiving frame 12.

As shown in fig. 1, the covers 202 on both end portions of the power battery 200 are disposed at intervals in the width direction of the vehicle end side member 300, and correspondingly, the two accommodating frames 12 are disposed at intervals in the width direction of the vehicle end side member 300, and one side of each of the two accommodating frames 12 facing each other is connected with one vehicle body installation beam 2, and the vehicle body installation beam 2 is connected with a plurality of support beams 123 on one side of the accommodating frame 12. The two vehicle body mounting beams 2 are respectively and correspondingly mounted on one vehicle end longitudinal beam 300, so that the vehicle end longitudinal beam 300 and the battery adapter 100 are uniformly loaded.

Referring to fig. 4 and 9, the power battery 200 further includes a middle upper cover 203 disposed between the two end upper covers 202 and fastened to the lower cover 201. As shown in fig. 4, the middle upper case cover 203 includes a plurality of convex shells 2031 arranged at intervals along the length direction of the vehicle end longitudinal beam 300, in this embodiment, three convex shells 2031 are provided, and are formed by recessing the middle upper case cover 203, and a connecting portion is provided between two adjacent convex shells 2031. The battery mounting frame 1 further includes two inner mounting beams 13 disposed at intervals along the length direction of the vehicle end longitudinal beam 300, the two inner mounting beams 13 are connected between the two accommodating frames 12, referring to fig. 5, the inner mounting beams 13 are specifically connected with the inner connecting beam 112, and avoidance openings 14 are defined between the inner mounting beams 13 and the frame beam 111 and between the two adjacent inner mounting beams 13, and the number of the avoidance openings 14 corresponds to the number of the convex shells 2031. The inner mounting beam 13 is provided with the above-mentioned transfer end locking assembly 402, and referring to fig. 11, the middle position of the lower case 201 is provided with a battery end locking assembly 401. When the power battery 200 is installed, the power battery 200 may be lifted by the battery replacement device, so that the end upper cover 202 of the power battery 200 penetrates into the accommodating frame 12, and the three convex shells 2031 of the middle upper cover 203 penetrate through the avoidance openings 14 in a one-to-one correspondence manner. When the power battery 200 is lifted to the right position, the battery end locking assembly 401 on the lower box body 201 is correspondingly connected with the adapting end locking assembly 402 on the frame beam 111 and the inner mounting beam 13, so that the power battery 200 is locked. As shown in fig. 4, after the power battery 200 is mounted, the inner mounting beam 13 is positioned right above the connection portion.

The locking of the power battery 200 is completed by correspondingly connecting a plurality of battery end locking assemblies 401 on the power battery with the adapting end locking assemblies 402 on the frame beam 111 and the inner mounting beam 13, and the edge position and the middle position of the power battery 200 are fixed, so that the power battery 200 is ensured to be stable and firm after being mounted. In addition, it can be understood that the convex housing 2031 is provided for the power battery 200 itself, and when the number thereof is increased, the number of the inner mounting beams 13 is increased accordingly, as long as it is ensured that the number of the escape openings 14 formed corresponds to the number of the convex housings 2031.

As shown in fig. 6, 7 and 8, a third reinforcing oblique beam 15 is connected between the inner mounting beam 13 and the accommodating frame 12 to form a triangular reinforcing structure at the end position of the inner mounting beam 13, so as to ensure the stability of the inner mounting beam 13. The third oblique reinforcing beams 15 may be provided in one or more numbers distributed along the circumference of the inner mounting beam 13. In this embodiment, three third reinforcing oblique beams 15 are provided at both ends of the inner mounting beam 13 to form a triangular reinforcing structure at both opposite sides and an upper side of the inner mounting beam 13.

With continued reference to fig. 6 and 7, a fourth oblique reinforcing beam 16 is disposed between the frame beam 111 and the inner connecting beam 112, and the fourth oblique reinforcing beam 16 is located inside the avoiding opening 14 for increasing the connection stability between the frame beam 111 and the inner connecting beam 112.

In the present embodiment, optionally, the vehicle body mounting beam 2 is disposed in the middle of the accommodating frame 12, and referring to fig. 5, 6, and 7, a first reinforcing upright beam 21 connected to the accommodating frame 12 is disposed on the upper side of the vehicle body mounting beam 2, and a plurality of the first reinforcing upright beams 21 are disposed at intervals along the length direction of the vehicle body mounting beam 2; a second vertical reinforcing member 22 connected to both the storage frame 12 and the side frame member 111 is provided below the vehicle body attachment member 2, and the second vertical reinforcing member 22 is provided at an end of the vehicle body attachment member 2. Through setting up first enhancement and erecting roof beam 21 and second enhancement and erecting roof beam 22, can improve joint strength and stability between automobile body installation roof beam 2 and battery installation frame 1, avoid automobile body installation roof beam 2 to transship the deformation.

As shown in fig. 6 and 7, optionally, five adapter mounts 3 are provided on each body mounting beam 2 along its length. As shown in fig. 15, each of the adaptor-mounted members 3 includes a first plate 31 and a second plate 32 that are vertically connected, the first plate 31 is connected to the vehicle-body-mounted beam 2, the second plate 32 is connected to the vehicle-end longitudinal beam 300 in a position-adjustable manner, one or more triangular reinforcing plates 33 (four plates are provided in this embodiment) are provided between the first plate 31 and the second plate 32, and the adaptor-mounted members 3 have high strength while realizing position-adjustable of the vehicle-body-mounted beam 2, so as to ensure that the vehicle-body-mounted beam 2 is stably connected between the vehicle-end longitudinal beam 300 and the battery-mounting frame 1. The number of adapter mounts 3 and the number of triangular reinforcing plates 33 per adapter mount 3 can be set as desired.

As shown in fig. 13 and 14, the adaptor locking assembly 402 includes a fixing box 4022 and a locking nut 4021, the fixing box 4022 is fixed to the frame beam 111 by a screw, and a limiting cavity is defined on the fixing box 4022, and the locking nut 4021 is movably disposed in the limiting cavity. Battery end lock assembly 401 includes a locking bolt 4011, and locking bolt 4011 is rotatably disposed on lower case 201 of power battery 200. When the power battery 200 is lifted to a preset position, the locking bolt 4011 can be rotated through the locking and unlocking gun, so that the locking bolt 4011 penetrates through the frame beam 111 and is screwed into the locking nut 4021. The locking nut 4021 is movably arranged in the limiting cavity, when the locking bolt 4011 is just inserted into the locking nut 4021, the locking nut 4021 can move adaptively to be aligned with the locking bolt 4011, and the locking bolt 4011 is prevented from being in rigid contact with the locking nut 4021 due to misalignment.

Further, referring to fig. 13, the battery end locking assembly 401 further includes a mounting sleeve 4012 and a connecting plate 4013, the mounting sleeve 4012 is fixedly disposed on the power battery 200, and a lower end of the locking bolt 4011 is rotatably disposed in the mounting sleeve 4012. Connecting plate 4013 encircles the lower end of installation sleeve 4012, and accessible bolt installation connecting plate 4013 and power battery 200 to realize being connected between battery end locking assembly 401 and power battery 200.

Referring to fig. 13 and 14, an installation hole 1111 is vertically formed in the frame beam 111 in a penetrating manner, a bushing 1112 is arranged in the installation hole 1111, the upper surface and the lower surface of the bushing 1112 are flush with the upper surface and the lower surface of the frame beam 111, and a locking bolt 4011 can penetrate through the bushing 1112 and be screwed into a locking nut 4021. After the locking bolts 4011 are tightened, the frame beam 111 is pressed between the fixing box 4022 and the mounting sleeve 4012, and since the upper and lower surfaces of the bushing 1112 are flush with the upper and lower surfaces of the frame beam 111, the bushing 1112 can bear the pressure on the frame beam 111 caused by screwing, and the frame beam 111 is prevented from being deformed by pressure feed.

Specifically, the second plate 32 is connected to the end side member 300 by a fastener. Referring to fig. 15, a plurality of first connection holes 301 are formed in the vehicle end side member 300 at intervals along the length direction thereof, a second connection hole 321 is formed in the second plate 32, and a fastening member penetrates through the second connection hole 321 and any one of the first connection holes 301, so that the position of the entire battery transfer device 100 in the length direction of the vehicle end side member 300 can be adjusted. The fasteners are preferably bolts.

More specifically, be provided with a plurality of first connecting hole 301 that are the distribution of rectangle array on the car end longeron 300, a plurality of first connecting hole 301 be the structure that has itself on the car end longeron 300 for install various spare parts, the first connecting hole 301 processing of rectangle array is comparatively convenient. The second plate 32 is provided with a plurality of second connection holes 321 distributed in a rectangular array. Correspondingly, the number of the fasteners corresponds to the number of the second connecting holes 321, one fastener penetrates through each second connecting hole 321, and the fastener penetrates through the corresponding first connecting hole 301 and is connected with the nut. Through setting up a plurality of second connecting holes 321 that are the rectangular array and distribute, can guarantee the joint strength between switching installed part 3 and car end longeron 300.

Referring to fig. 15, the first plate 31 is provided with at least one third coupling hole 311 for coupling with the vehicle body installation beam 2. A screw is taken to pass through the third connecting hole 311 and screwed on the vehicle body mounting beam 2, so that the adapter mounting piece 3 and the vehicle body mounting beam 2 can be fixed.

As shown in fig. 9 to 12, the present embodiment further provides a power battery 200, which includes a lower case 201, and an upper case cover 202 at an end portion and an upper case cover 203 at a middle portion, which are fastened to the lower case 201. Referring to fig. 9 and 10, a plurality of first carrier beams 2011 are circumferentially arranged on the lower case 201, referring to fig. 11, a second carrier beam 2012 is arranged in the middle of the lower case 201, the battery end locking assemblies 401 are respectively arranged on the first carrier beam 2011 and the second carrier beam 2012, and the battery end locking assemblies 401 are detachably connected to the battery mounting frame 1 of the battery adapter device 100.

Specifically, referring to fig. 9 and 11, the lower case 201 is rectangular, four first carrier beams 2011 are arranged along the circumferential direction of the lower case 201, and a plurality of battery end locking assemblies 401 are arranged on each first carrier beam 2011 along the length direction thereof. Correspondingly, the four border beams 111 are also provided with a corresponding number of adaptor end locking assemblies 402, and the battery end locking assemblies 401 on the first carrier beam 2011 are screwed with the adaptor end locking assemblies 402 on the border beams 111 in a one-to-one correspondence manner. As shown in fig. 11, two second carrier beams 2012 are disposed at intervals in the middle of the lower case 201, a gap is defined between the two second carrier beams 2012, the gap is isolated from the chambers on both sides for mounting the battery modules, and the battery end locking assemblies 401 are disposed on the two second carrier beams 2012 and two of the second carrier beams 2012 are disposed along the length direction of the second carrier beams 2012. Two inner mounting beams 13 are respectively provided with an adapting end locking component 402, and the battery end locking components 401 on the second bearing beam 2012 are in threaded connection with the adapting end locking components 402 on the inner mounting beams 13 in a one-to-one correspondence manner.

As shown in fig. 12, two through holes 2013 are provided at the bottom of the lower box 201, and the positions of the two through holes 2013 are aligned with and communicated with the gap between the two second carrier beams 2012. The tip of the locking and unlocking gun can be passed through the hole 2013 and act on the battery end locking assembly 401 on the second carrier beam 2012 to screw the locking bolts 4011 onto the corresponding locking nuts 4021.

The number of locking mechanisms 400 may be selected based on the weight of power battery 200, the diameter of locking bolt 4011, and other factors, and is capable of bearing the weight load of power battery 200 and the dynamic load of the vehicle during driving.

The embodiment further provides a vehicle, which comprises a power battery 200, a vehicle end longitudinal beam 300 and the battery adapter device 100. This vehicle can satisfy the demand that changes the type motorcycle type of changing into on the basis that does not change its own original structure, need not to do great change to the vehicle production line, reduces research and development and manufacturing cost.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A battery adapter device, comprising:

the battery installing frame (1) is provided with a plurality of switching end locking assemblies (402), the switching end locking assemblies (402) are distributed in the circumferential direction and the middle of the battery installing frame (1) and are configured to be locked with the battery end locking assemblies (401) in a one-to-one correspondence manner;

one or more vehicle body mounting beams (2), the vehicle body mounting beams (2) being connected with the battery mounting frame (1);

the vehicle body mounting structure comprises an adapter mounting piece (3), wherein one or a plurality of adapter mounting pieces (3) are arranged on the vehicle body mounting beam (2) along the length direction of the vehicle body mounting beam, and the adapter mounting pieces (3) are arranged on the vehicle end longitudinal beam (300) in a position-adjustable mode along the length direction of the vehicle end longitudinal beam (300).

2. The battery adapter device according to claim 1, wherein the power battery (200) comprises a lower box body (201) and two upper end box covers (202) arranged at intervals, the two upper end box covers (202) are respectively fastened to two ends of the lower box body (201), and the battery mounting frame (1) comprises:

the frame body (11) comprises a plurality of frame beams (111) which are sequentially connected end to end, the switching end locking assembly (402) is arranged on the frame beams (111), and the battery end locking assembly (401) is arranged on the lower box body (201);

the two accommodating frames (12) are arranged at intervals, the two accommodating frames (12) are respectively arranged at two ends of the frame main body (11) in a protruding mode and respectively define accommodating chambers (121), and the two end upper box covers (202) are accommodated in the accommodating chambers (121) of the two accommodating frames (12) in a one-to-one correspondence mode.

3. The battery transfer device according to claim 2, wherein the receiving frame (12) comprises a frame structure (122) and supporting beams (123) spaced apart from each other along the circumference of the frame structure (122), one end of each supporting beam (123) remote from the frame structure (122) is connected to the frame beam (111), a reinforcing cross beam (124) and/or a first reinforcing oblique beam is/are arranged inside the frame structure (122), and a second reinforcing oblique beam (125) is arranged between the frame structure (122) and the frame beam (111).

4. The battery transfer apparatus according to claim 2, wherein two of the receiving frames (12) are provided at intervals in the width direction of the vehicle end side member (300), and one of the vehicle body mounting members (2) is attached to each of the sides of the two receiving frames (12) facing each other.

5. The battery adapter device according to claim 4, wherein the power battery (200) further comprises an upper middle box cover (203) which is arranged between the two upper end box covers (202) and fastened to the lower box body (201), the upper middle box cover (203) comprises a plurality of convex shells (2031) which are arranged at intervals along the length direction of the vehicle-end longitudinal beam (300), the battery mounting frame (1) further comprises one or a plurality of inner mounting beams (13) which are arranged at intervals along the length direction of the vehicle-end longitudinal beam (300), the inner mounting beams (13) are connected between the two accommodating frames (12) and provided with the adapter locking assembly (402), avoiding openings (14) are defined between the inner mounting beams (13) and the frame beam (111) and between two adjacent inner mounting beams (13), and the convex shells (2031) penetrate through the avoiding openings (14) in a one-to-one correspondence manner.

6. The battery transfer device according to claim 5, wherein a third reinforcing oblique beam (15) is connected between the inner mounting beam (13) and the accommodating frame (12), and the third reinforcing oblique beam (15) is provided with one or distributed along the circumferential direction of the inner mounting beam (13).

7. The battery transfer device according to claim 4, wherein the vehicle body mounting beam (2) is disposed in the middle of the accommodating frame (12), a first reinforcing upright beam (21) connected to the accommodating frame (12) is disposed on the upper side of the vehicle body mounting beam (2), and a second reinforcing upright beam (22) connected to both the accommodating frame (12) and the frame beam (111) is disposed on the lower side of the vehicle body mounting beam (2).

8. A battery adapter device according to any of claims 1-7, characterized in that said adapter mounting member (3) comprises a first plate (31) and a second plate (32) connected vertically, said first plate (31) being connected to said body mounting beam (2), said second plate (32) being connected to said end rail (300) in a position adjustable manner, one or more triangular reinforcement plates (33) being arranged between said first plate (31) and said second plate (32).

9. The battery transfer apparatus according to claim 8, further comprising a fastener, wherein a plurality of first connection holes (301) are formed in the end side member (300) at intervals along the length direction thereof, and a second connection hole (321) is formed in the second plate (32), and the fastener penetrates through the second connection hole (321) and any one of the first connection holes (301).

10. The battery transfer apparatus according to claim 9, wherein the first connection holes (301) are arranged in a rectangular array on the end side member (300), and the second connection holes (321) are arranged in a rectangular array on the second plate (32).

11. The battery transfer device according to any one of claims 2 to 7, wherein the transfer end locking assembly (402) comprises a lock nut (4021) disposed on the frame beam (111), and the battery end locking assembly (401) comprises a lock bolt (4011) rotatable with respect to the lower case (201), wherein the lock bolt (4011) passes through the frame beam (111) and is screwed with the lock nut (4021).

12. The battery adapter device according to claim 11, wherein a mounting hole (1111) is vertically formed through the frame beam (111), a bushing (1112) is disposed in the mounting hole (1111), the upper and lower surfaces of the bushing (1112) are flush with the upper and lower surfaces of the frame beam (111), and the locking bolt (4011) is inserted into the bushing (1112).

13. A power battery, characterized by comprising a lower box body (201), wherein a plurality of first carrier beams (2011) are arranged on the lower box body (201) along the circumferential direction, a second carrier beam (2012) is arranged in the middle of the lower box body (201), a battery end locking assembly (401) is arranged on each of the first carrier beams (2011) and the second carrier beam (2012), and the battery end locking assembly (401) is detachably connected to the battery mounting frame (1) of the battery adapter device (100) according to any one of claims 1 to 12.

14. A vehicle, characterized by comprising a power battery (200), a vehicle end rail (300) and a battery adapter device (100) according to any one of claims 1-12.