Tricycle soft package battery based on PACK structure

Abstract

The utility model relates to the technical field of soft package batteries, and discloses a tricycle soft package battery based on a PACK structure, the tricycle soft package battery comprises a box body and a battery cell support, the inner wall of the battery cell support is fixedly connected with a battery cell body, a fixing groove is formed in the battery cell support, the inner wall of the box body is fixedly connected with a lower bottom plate, and the inner wall of the lower bottom plate is fixedly connected with the battery cell body. The upper surface of the lower bottom plate is rotatably connected with a long screw rod, the outer wall of the long screw rod is in threaded connection with an upper bottom plate, the lower surface of the upper bottom plate is arranged on the upper surface of the battery cell bracket, and the outer wall of the long screw rod is rotatably connected to the inner wall of the fixing groove. According to the utility model, when the long screw rod rotates, the upper bottom plate is driven by the long screw rod and the upper bottom plate to downwards extrude a module consisting of a plurality of battery cell brackets, and then the limiting columns are driven to slide on the inner walls of the sliding chutes, so that the moving space of the battery cell brackets is ensured, and the module of the battery cell brackets is tensioned through the lower bottom plate, thereby ensuring that the battery cells are fixed for battery overstocking and improving the capacity; and welding and overcurrent are ensured while the cycle life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of soft-pack batteries, in particular to a three-wheeler soft-pack battery based on a PACK structure. Background Art

[0002] With the rapid development of the new energy industry, soft-pack batteries have replaced lead-acid batteries and gradually entered the two- and three-wheeled vehicle industry. There is a lack of backlog of soft-pack modules for traditional three-wheeled vehicles and Laotoule vehicles, and their cycle life is poor. At the same time, their capacity is poor, and there are also problems with lug protection, welding, and overcurrent. Therefore, a new type of soft-pack battery PACK is proposed, which can improve the cycle life, adopt a two-in-one solution to provide battery capacity, and at the same time ensure lug protection, welding, and overcurrent.

[0003] In the current existing technology, the lack of backlog of three-wheeled vehicle soft-pack battery modules leads to poor cycle life, and the soft-pack battery modules have poor tab protection, high welding difficulty and high overcurrent requirements. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a three-wheeled vehicle soft-pack battery based on a PACK structure, aiming to improve the problems of poor cycle life caused by lack of backlog of soft-pack battery modules, as well as poor tab protection, high welding difficulty and high overcurrent requirements in soft-pack battery modules.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A three-wheeled vehicle soft-pack battery based on a PACK structure, comprising a box body and a battery cell holder, the inner wall of the battery cell holder is fixedly connected to a battery cell body, a fixing groove is provided inside the battery cell holder, the inner wall of the box body is fixedly connected to a lower base plate, the upper surface of the lower base plate is rotatably connected to a long screw, the outer wall of the long screw is threadedly connected to an upper base plate, the lower surface of the upper base plate is provided with an upper surface of the battery cell holder, the outer wall of the long screw is rotatably connected to the inner wall of the fixing groove, the outer wall of the battery cell holder is fixedly connected to a limiting column, the outer wall of the battery cell holder is provided with an epoxy plate holder, the outer wall of the epoxy plate holder is fixedly connected to an aluminum bar, a slide groove is provided inside the epoxy plate holder, the outer wall of the limiting column is slidably connected to the inner wall of the slide groove, and the outer wall of the aluminum bar is provided with a power supply component.

[0007] Preferably, the power supply assembly includes a pole ear, an outer wall of the pole ear is fixedly connected to the outer wall of the aluminum bar, the outer wall of the pole ear is provided with a socket, and the outer wall of the socket is fixedly connected to the inside of the box.

[0008] Preferably, the outer wall of the epoxy board bracket is fixedly connected to the epoxy board body, and the inner wall of the epoxy board body is provided with a copper busbar.

[0009] Preferably, a protection plate bracket is fixedly connected to the outer wall of the epoxy plate body.

[0010] Preferably, a clamping plate is fixedly connected to the outer wall of the upper base plate, and a mounting hole is provided inside the clamping plate.

[0011] Preferably, the outer wall of the box body is provided with a side panel, and the inner wall of the side panel is threadedly connected with a fixing screw.

[0012] Preferably, the outer wall of the fixing screw is threadedly connected to the inner wall of the mounting hole, the outer wall of the box body is fixedly connected to a sealing strip, and the outer wall of the sealing strip is arranged on the inner wall of the side panel.

[0013] Preferably, a handle is fixedly connected to the outer wall of the box.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the long screw is rotated, and when the long screw rotates, the upper bottom plate is driven by the upper bottom plate to squeeze the module composed of multiple battery holders downward, and then the limit column can be driven to slide on the inner wall of the slide groove to ensure the moving space of the battery holder, and the module of the battery holder is tightened by the lower bottom plate, so as to ensure the battery fixation for battery backlog, increase capacity, increase cycle life, and ensure welding and overcurrent at the same time.

[0016] 2. In the utility model, when the fixing wire rotates, the side plate can be installed on the outer wall of the clamping plate through the mounting hole, and then the module composed of multiple battery holders can be fixed through the box body. At the same time, the battery holder adopts the mold opening process, which can better protect and fix the battery body, thereby achieving a better use effect of the battery.

[0017] 3. In the present invention, the side panel can be disassembled by twisting the fixed screw until the outer wall of the fixed screw is separated from the mounting hole, which is convenient for technicians to inspect and repair the battery inside the box, and the sealing strip ensures the sealing of the inner wall of the box, thereby achieving a waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a three-wheeled vehicle soft-pack battery based on a PACK structure proposed by the utility model;

[0019] Figure 2 A schematic diagram of a sealing strip of a tricycle soft-pack battery based on a PACK structure proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of a protection plate bracket for a tricycle soft-pack battery based on a PACK structure proposed by the utility model;

[0021] Figure 4This is a schematic diagram of a limiting column of a tricycle soft-pack battery based on a PACK structure proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of a cell support for a three-wheeled vehicle soft-pack battery based on a PACK structure proposed in the utility model.

[0023] Legend:

[0024] 1. Box body; 2. Cell bracket; 3. Cell body; 4. Fixing slot; 5. Long screw; 6. Upper base plate; 7. Lower base plate; 8. Epoxy board bracket; 9. Aluminum busbar; 10. Limiting column; 11. Slide slot; 12. Tab; 13. Socket; 14. Epoxy board body; 15. Copper busbar; 16. Protection board bracket; 17. Clamp; 18. Mounting hole; 19. Fixing screw column; 20. Side panel; 21. Sealing strip; 22. Handle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings of the specification of this utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 3-Figure 5 The utility model provides an embodiment: a three-wheeled vehicle soft-pack battery based on a PACK structure, comprising a box body 1 and a battery holder 2, the inner wall of the battery holder 2 is fixedly connected with a battery body 3, a fixing groove 4 is provided inside the battery holder 2, a lower bottom plate 7 is fixedly connected with the inner wall of the box body 1, a long screw 5 is rotatably connected with the upper surface of the lower bottom plate 7, an outer wall of the long screw 5 is threadedly connected with an upper bottom plate 6, a lower surface of the upper bottom plate 6 is provided with a battery holder 2 on the upper surface, and the outer wall of the long screw 5 is rotatably connected with the inner wall of the fixing groove 4. The outer wall of the battery holder 2 is fixedly connected to the limiting column 10, the outer wall of the battery holder 2 is provided with an epoxy plate holder 8, the outer wall of the epoxy plate holder 8 is fixedly connected to the aluminum bar 9, the inside of the epoxy plate holder 8 is provided with a slide groove 11, the outer wall of the limiting column 10 is slidably connected to the inner wall of the slide groove 11, and the outer wall of the aluminum bar 9 is provided with a power supply component; the power supply component includes a pole ear 12, the outer wall of the pole ear 12 is fixedly connected to the outer wall of the aluminum bar 9, the outer wall of the pole ear 12 is provided with a socket 13, and the outer wall of the socket 13 is fixedly connected to the inside of the box body 1;

[0027] Specifically, the battery cell holder 2 has a fixed supporting function for the battery cell body 3, the box body 1 can fix the position of the lower base plate 7 and rotate the long screw 5. When the long screw 5 rotates, it can drive the upper base plate 6 to squeeze the module composed of multiple battery cell holders 2 downward through the threaded connection with the upper base plate 6, and then drive the limit column 10 to slide on the inner wall of the slide groove 11 opened by the epoxy plate holder 8 to ensure the moving space of the battery cell holder 2. The module of the battery cell holder 2 can be tightened through the lower base plate 7 to ensure the extrusion of the battery cell holder 2. The epoxy plate holder 8 has a fixed supporting function for the aluminum bar 9, and then can play a role in fixing the pole ear 12 and increasing the overcurrent, and the pole ear 12 can release the current through the socket 13.

[0028] Reference Figure 3 The outer wall of the epoxy board bracket 8 is fixedly connected with the epoxy board body 14, and the inner wall of the epoxy board body 14 is provided with a copper bar 15; the outer wall of the epoxy board body 14 is fixedly connected with the protection board bracket 16;

[0029] Specifically, the epoxy board bracket 8 has a fixed support function for the epoxy board body 14, the copper busbar 15 plays a role of series connection and current flow, the protection board bracket 16 has a protective function for the epoxy board body 14, and the epoxy board body 14 plays an insulating role.

[0030] Reference Figure 1-Figure 2 The outer wall of the upper bottom plate 6 is fixedly connected with a clamping plate 17, and a mounting hole 18 is opened inside the clamping plate 17; the outer wall of the box body 1 is provided with a side plate 20, and the inner wall of the side plate 20 is threadedly connected with a fixing screw 19; the outer wall of the fixing screw 19 is threadedly connected to the inner wall of the mounting hole 18, and the outer wall of the box body 1 is fixedly connected with a sealing strip 21, and the outer wall of the sealing strip 21 is arranged on the inner wall of the side plate 20; the outer wall of the box body 1 is fixedly connected with a handle 22;

[0031] Specifically, the upper base plate 6 has a fixed supporting function for the splint 17, and the splint 17 can fix the module composed of the battery holder 2. The fixed screw post 19 on the inner wall of the side panel 20 is rotated, and the fixed screw post 19 can fix the side panel 20 to the outer wall of the box body 1. When the fixed screw post 19 rotates, the inner wall of the fixed screw post 19 can fix the side panel 20 to the outer wall of the box body 1, and the sealing strip 21 can be used to seal the inner wall of the box body 1. At the same time, when the fixed screw post 19 is separated from the inner wall of the mounting hole 18, the side panel 20 can be disassembled, which is convenient for technicians to inspect and repair the battery inside the box body 1. The box body 1 has a fixed supporting function for the handle 22. When the handle 22 is pulled, the battery can be driven to move as a whole.

[0032] Working principle: When the soft-pack battery is needed, the technician can first twist the fixing screw 19 to rotate it until the outer wall of the fixing screw 19 is detached from the inner wall of the mounting hole 18, so that the side panel 20 can be removed from the outer wall of the box body 1, which is convenient for the technician to inspect and repair the battery inside the box body 1. At the same time, when the fixing screw 19 is rotated, the side panel 20 can be installed on the outer wall of the clamping plate 17 through the mounting hole 18, and then the side panel 20 is fixed to both sides of the box body 1. The sealing strip 21 ensures the sealing of the inner wall of the box body 1 to achieve a waterproof effect, and there is a distance gap between the upper bottom plate 6 and the inner wall of the box body 1. The long screw 5 is rotated. When the long screw 5 rotates, it can drive the upper bottom plate 6 to squeeze the module composed of multiple battery holders 2 downward through the threaded connection with the upper bottom plate 6, and then it can drive the limit column 10 in the slide groove 1 opened in the epoxy plate holder 8. 1 is slidable on the inner wall to ensure the moving space of the battery holder 2. The module of the battery holder 2 can be tightened by the lower bottom plate 7 to ensure the extrusion of the battery holder 2. At the same time, the copper-aluminum bar 9 and the copper bar 15 are used to ensure welding and improve the overcurrent. The battery holder 2 can fix the position of the battery body 3 and protect the battery body 3. The upper bottom plate 6, the lower bottom plate 7, the copper bar 15, the epoxy board body 14 and the protection plate bracket 16 are assembled into a whole and extruded to ensure the cycle life of the battery. The upper bottom plate 6, the lower bottom plate 7, the battery body 3 and the fixing groove 4 opened by the battery holder 2 are fixed as a whole by the long screw 5 to play the role of extrusion. The copper bar 15 plays the role of series connection and overcurrent, and the epoxy board body 14 plays an insulating role. Then the pole ear 12 can release the current through the socket 13.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A three-wheeled vehicle soft pack battery based on a PACK structure, comprising a box body (1) and a battery cell holder (2), characterized in that: The inner wall of the battery holder (2) is fixedly connected to the battery body (3), a fixing groove (4) is provided inside the battery holder (2), the inner wall of the box body (1) is fixedly connected to the lower base plate (7), the upper surface of the lower base plate (7) is rotatably connected to a long screw (5), the outer wall of the long screw (5) is threadedly connected to an upper base plate (6), the lower surface of the upper base plate (6) is arranged on the upper surface of the battery holder (2), and the outer wall of the long screw (5) is rotatably connected to the upper base plate (6). The battery support (2) is movably connected to the inner wall of the fixing groove (4); the outer wall of the battery support (2) is fixedly connected to the limiting column (10); the outer wall of the battery support (2) is provided with an epoxy plate support (8); the outer wall of the epoxy plate support (8) is fixedly connected to the aluminum bar (9); a sliding groove (11) is provided inside the epoxy plate support (8); the outer wall of the limiting column (10) is slidably connected to the inner wall of the sliding groove (11); and the outer wall of the aluminum bar (9) is provided with a power supply component.

2. A three-wheeled vehicle soft pack battery based on a PACK structure according to claim 1, characterized in that: The power supply assembly comprises a pole ear (12), the outer wall of the pole ear (12) is fixedly connected to the outer wall of the aluminum bar (9), the outer wall of the pole ear (12) is provided with a socket (13), and the outer wall of the socket (13) is fixedly connected to the inside of the box (1).

3. A three-wheeled vehicle soft pack battery based on a PACK structure according to claim 2, characterized in that: The outer wall of the epoxy board bracket (8) is fixedly connected to an epoxy board body (14), and the inner wall of the epoxy board body (14) is provided with a copper busbar (15).

4. A three-wheeled vehicle soft pack battery based on a PACK structure according to claim 3, characterized in that: A protection plate bracket (16) is fixedly connected to the outer wall of the epoxy plate body (14).

5. The three-wheeled vehicle soft pack battery based on the PACK structure according to claim 1, characterized in that: A clamping plate (17) is fixedly connected to the outer wall of the upper base plate (6), and a mounting hole (18) is provided inside the clamping plate (17).

6. A three-wheeled vehicle soft pack battery based on a PACK structure according to claim 5, characterized in that: The outer wall of the box body (1) is provided with a side plate (20), and the inner wall of the side plate (20) is threadedly connected with a fixing screw (19).

7. A three-wheeled vehicle soft pack battery based on a PACK structure according to claim 6, characterized in that: The outer wall of the fixing screw (19) is threadedly connected to the inner wall of the mounting hole (18); the outer wall of the box body (1) is fixedly connected with a sealing strip (21); and the outer wall of the sealing strip (21) is arranged on the inner wall of the side plate (20).

8. A three-wheeled vehicle soft pack battery based on a PACK structure according to claim 7, characterized in that: A handle (22) is fixedly connected to the outer wall of the box body (1).

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