Special lithium battery pack for forklift
By using a multi-layer stacked enclosure design and side electrical connections, the problem of complex structure in traditional industrial vehicle battery packs has been solved, achieving the effects of simplified assembly and improved electrical connection stability.
Patent Information
- Application Number
- CN202422901265.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Traditional industrial vehicles have complex high-voltage battery packs that are difficult to install and remove, and inconvenient to assemble and maintain.
It adopts a multi-layer stacked enclosure design, and connects the battery pack and control assembly through a side inspection window. It also uses connecting components for stable connection, simplifying the assembly process.
It reduces the difficulty of assembly and disassembly, improves the stability and safety of electrical connections, and facilitates later maintenance.
Smart Images
Figure CN223757591U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery box technology field especially relates to a lithium battery pack special for forklift. BACKGROUND
[0002] The high voltage battery of the traditional industrial vehicle includes a box, a plurality of battery modules, a box top cover, the box is of a structure with an open top, the plurality of battery modules are gradually stacked from bottom to top in the box, and then the box top cover is blocked, the battery pack has a complex structure and is troublesome to install and remove. SUMMARY
[0003] The utility model discloses a lithium battery pack special for forklift to solve the problems pointed out in the background.
[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A lithium battery pack special for forklift, including first box, first battery group, second box, second battery group, third box, control assembly, apron, first box, second box, third box, apron are along the vertical stacking and set up, first battery group is located in the first cavity formed by the first box and second box bottom plate, second battery group is located in the second cavity formed by second box and third box bottom plate, control assembly is located in the third cavity formed by third box and apron, second box side is equipped with the access window, the access window is blocked through the detachable seal cover door, control assembly and second battery group are connected through the connecting component electricity.
[0006] Second box bottom plate is equipped with second wire hole, and the wire harness of first battery group can pass through second wire hole and be placed in second cavity.
[0007] The first box side also is equipped with an access window that can be blocked through the seal cover door.
[0008] All access window size length is greater than 30cm, and height is greater than 20cm.
[0009] The connecting component includes a shell, a cover, a plug, and a socket, the shell and the cover have a fourth cavity therebetween, the plug is connected to the first battery group and / or the second battery group through a first connecting wire harness, the socket is connected to the control assembly through a second connecting wire harness, the plug and the socket are plugged and placed in the fourth cavity, and the fourth cavity is filled with insulating glue.
[0010] The cover is provided with a second hole, the shell is provided with a first hole, the size of the second hole is greater than the cross-sectional size of the second connecting wire harness and smaller than the size of the socket, and the size of the first hole is greater than the cross-sectional size of the first connecting wire harness and smaller than the size of the plug.
[0011] The shell and the cover body are provided with an abutting outer edge, and the outer edge is provided with a through hole, and the through hole is fixed to the bottom plate of the third box body by a screw.
[0012] The utility model discloses a lithium battery group special for fork truck has beneficial effect at in: through the maintenance window of side surface, battery group and control assembly are electrically connected through connecting component, relative to traditional assembly mode, this device structure design is reasonable, reduces assembly difficulty, and because the assembly of the mode of the superposition of multiple boxes reduces the difficulty of loading and unloading, is convenient for the maintenance work of later period. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is the decomposition structure schematic diagram of the utility model;
[0014] Fig. 2 It is the box body assembly state structure schematic diagram of the utility model;
[0015] Fig. 3 It is the connecting component enlarged sectional structure schematic diagram of the utility model.
[0016] In the drawing: first box body 1, first battery group 2, second box body 3, second battery group 4, third box body 5, control assembly 6, cover plate 7, first cavity 8, first wire hole 9, cover door 10, maintenance window 11, second cavity 12, connecting component 13, third cavity 14, shell 15, cover body 16, fourth cavity 17, first hole 18, second hole 19, first connecting wire harness 20, plug 21, socket 22, second connecting wire harness 23, second wire hole 24. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0018] Referring to Figs. 1-3 A lithium battery group special for fork truck includes first box body 1, first battery group 2, second box body 3, second battery group 4, third box body 5, control assembly 6, cover plate 7, first box body 1, second box body 3, third box body 5, cover plate 7 along vertical stacking is arranged, first battery group 2 is located in the first cavity 8 formed by the bottom plate of first box body 1 and second box body 3, second battery group 4 is located in the second cavity 12 formed by the bottom plate of second box body 3 and third box body 5, control assembly 6 is located in the third cavity 14 formed by third box body 5 and cover plate 7, second box body 3 side is equipped with maintenance window 11, maintenance window 11 is blocked by detachable cover door 10, control assembly 6 and second battery group 4 are electrically connected through connecting component 13.
[0019] The device is provided with an inspection window 11 on the side of the second box body 3, so that the assembler can first assemble the first box body 1, the first battery pack 2, the second box body 3, the second battery pack 4, the third box body 5, the control assembly 6 and the cover plate 7, and then electrically connect the battery pack and the control assembly 6 through the connecting assembly 13 through the side inspection window 11. Compared with the traditional assembly method, the device has a reasonable structure design, reduces the assembly difficulty, and reduces the loading and unloading difficulty and facilitates the later maintenance work due to the stacked assembly of the multiple box bodies.
[0020] In order to facilitate the better assembly of the wire harness of the first battery pack 2 and the control assembly 6, the second box body 3 is provided with a second wire passing hole 24 in the bottom plate, and the wire harness of the first battery pack 2 can pass through the second wire passing hole 24 and be placed in the second cavity 12; the first box body 1 is also provided with an inspection window 11 which can be blocked by the sealing door 10.
[0021] In order to ensure the convenience of the assembler during assembly, the size of all the inspection windows 11 is greater than 30 cm in length and greater than 20 cm in height.
[0022] Reference Fig. 3 The connecting assembly 13 includes a shell 15, a cover 16, a plug 21 and a socket 22, the shell 15 and the cover 16 have a fourth cavity 17 therebetween, the plug 21 is connected to the first battery pack 2 and / or the second battery pack 4 through a first connecting wire harness 20, the socket 22 is connected to the control assembly 6 through a second connecting wire harness 23, the plug 21 and the socket 22 are inserted and placed in the fourth cavity 17, and the fourth cavity 17 is filled with insulating glue. The end of the wire harness is installed with the plug 21 and the socket 22 which can be inserted, then the plug 21 and the socket 22 are inserted, and finally the fourth cavity 17 is filled with insulating glue, so that the plug 21 and the socket 22 are stably, reliably and safely connected, and finally the shell 15 and the cover 16 are fixed on the bottom plate of the third box body 5, thereby reducing the installation difficulty and improving the stability and safety of the electrical connection.
[0023] Further, the cover 16 is provided with a second hole 19, and the shell 15 is provided with a first hole 18, the size of the second hole 19 is greater than the cross-sectional size of the second connecting wire harness 23 and smaller than the size of the socket 22, and the size of the first hole 18 is greater than the cross-sectional size of the first connecting wire harness 20 and smaller than the size of the plug 21, so that after the shell 15 and the cover 16 are fixed, the plug 21 and the socket 22 cannot fall off from the first hole 18 and the second hole 19, thereby further improving the safety of the electrical connection.
[0024] Further, the shell 15 and the cover 16 each have an abutting outer edge, the outer edge is provided with a through hole, and the through hole is fixed with the bottom plate of the third box body 5 through a screw. During assembly, first, the second connecting wire harness 23 is passed through the second hole 19, then the socket 22 is installed, then the first connecting wire harness 20 is passed through the first hole 18, then the plug 21 is installed, then the plug 21 and the socket 22 are plugged, then the shell 15 and the cover 16 are abutted and fixed on the bottom plate of the third box body 5 through a screw, finally, a glue filling machine fills glue into the fourth cavity 17 through the first hole 18, and the glue filling is completed.
[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can obtain the technical scheme, concept and design by equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A lithium battery pack dedicated for a forklift, characterized by, The utility model provides a battery pack, including first box (1), first battery group (2), second box (3), second battery group (4), third box (5), control assembly (6), cover plate (7), first box (1), second box (3), third box (5), cover plate (7) are stacked along vertical direction and set up, first battery group (2) is located in the first cavity (8) of the bottom plate of first box (1) and second box (3), second battery group (4) is located in the second cavity (12) of the bottom plate of second box (3) and third box (5), control assembly (6) is located in the third cavity (14) of the cover plate (7) of third box (5), second box (3) side is equipped with the access window (11), the access window (11) is closed through the detachable sealing cover door (10), control assembly (6) and second battery group (4) are connected through connecting assembly (13) electricity.
2. The lithium battery pack for a forklift according to claim 1, wherein Second box (3) bottom plate is equipped with second wire hole (24), and the wire harness of first battery group (2) can pass through second wire hole (24) and be placed in second cavity (12).
3. A lithium battery pack for a fork lift truck according to claim 2, wherein, The first box (1) side also is equipped with an access window (11) that can be closed through the sealing cover door (10).
4. A lithium battery pack for a fork lift truck according to any one of claims 1 to 3, characterised in that, All access windows (11) are greater than 30 centimeters in length and greater than 20 centimeters in height.
5. A lithium battery pack for a fork lift truck according to any one of claims 1-3, characterized in that, The connecting assembly (13) includes a shell (15), a cover (16), a plug (21), and a socket (22). The shell (15) and the cover (16) have a fourth cavity (17) therebetween. The plug (21) is connected to the first battery group (2) and / or the second battery group (4) through a first connecting wire harness (20). The socket (22) is connected to the control assembly (6) through a second connecting wire harness (23). The plug (21) and the socket (22) are inserted and placed in the fourth cavity (17). The fourth cavity (17) is filled with insulating glue.
6. A lithium battery pack for a fork lift truck according to claim 5 wherein, The cover (16) is provided with a second hole (19), and the shell (15) is provided with a first hole (18). The size of the second hole (19) is greater than the cross-sectional size of the second connecting wire harness (23) and smaller than the size of the socket (22). The size of the first hole (18) is greater than the cross-sectional size of the first connecting wire harness (20) and smaller than the size of the plug (21).
7. A lithium battery pack for a fork lift truck according to claim 6 wherein, The shell (15) and the cover (16) each have a butt joint outer edge, which is provided with a through hole. Screws pass through the through hole and are fixed to the bottom plate of the third box (5).