A waterproof battery pack

Abstract

The utility model discloses a waterproof battery pack relates to waterproof battery pack technical field, including apron, the apron downside is provided with the shell, the apron one side is provided with the wiring module, the wiring module inboard is provided with the slot, the slot outer ring side is provided with the limit ring, the limit ring outside with between wiring module is provided with the seal ring groove, the slot can be inserted with the plug, the plug outermost side is equipped with two sealing strips. The utility model discloses the wiring module, plug, limit ring, seal ring groove, limit slot and sealing strip that set up, when the battery pack is connected with the plug of electric motor car itself, the plug is inserted into the slot, and the limit ring is inserted into the limit slot, and the two sealing strips of plug outermost side can make the plug with the seal ring groove sealed connection of wiring module, avoid the rainwater infiltration to enter the conductive column on the plug, guarantee the safe operation of battery pack.

Description

Technical Field

[0001] This utility model relates to the field of waterproof battery pack technology, specifically a waterproof battery pack. Background Technology

[0002] Compared to other batteries, lithium-ion power batteries have advantages such as small size, light weight, long lifespan, and high specific energy, and are rapidly gaining market share in the electric vehicle sector. In daily use of electric two-wheelers and three-wheelers, the battery pack is typically located under the seat. However, the waterproofing of this area is generally limited during daily driving, compromising the battery pack's waterproofing and consequently affecting its safe and stable operation.

[0003] Existing waterproof battery packs generally have good waterproof performance on the outside, but the waterproof performance of the battery pack's connectors is not guaranteed. When the connectors are wetted by rain, rainwater can easily enter the inside of the connectors, thus affecting the safe operation of the battery pack. In addition, the gaps between the battery pack's outer casing and the cover are only sealed with sealant. When the sealant falls off, the waterproof performance of the joints cannot be guaranteed. Utility Model Content

[0004] The technical problem this invention aims to solve is to overcome existing defects and provide a waterproof battery pack. Through the design of a wiring module, plug, limiting ring, sealing ring groove, limiting groove, and sealing strip, when the battery pack is connected to the plug of the electric vehicle, after the plug is inserted into the slot, the limiting ring engages with the limiting groove. The two outermost sealing strips of the plug ensure a sealed connection between the plug and the sealing ring groove of the wiring module, preventing rainwater from seeping into the conductive posts of the plug and ensuring the safe operation of the battery pack. This effectively solves the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a waterproof battery pack, including a cover plate, a housing provided on the lower side of the cover plate, a wiring module provided on one side of the cover plate, a slot provided on the inner side of the wiring module, a limiting ring provided on the outer ring side of the slot, a sealing ring groove provided between the outer side of the limiting ring and the wiring module, a plug that can be inserted into the slot, two sealing strips installed on the outermost side of the plug, a limiting groove provided inside the plug, sealant filling the joint between the cover plate and the housing, an upper sealing ring fixedly installed on the inner ring side of the lower edge of the cover plate, a lower sealing ring fixedly installed on the inner side of the upper edge of the housing, and a sealing protrusion installed on the upper side of the lower sealing ring.

[0006] Furthermore, a fixing bolt connects the cover plate to the outer shell, a handle is fixedly installed on the upper side of the cover plate, and a battery cell is provided on the inner side of the outer shell.

[0007] Furthermore, the slot is provided with three conductive posts, and the plug is provided with a groove corresponding to the position of the conductive posts.

[0008] Furthermore, the cover plate and the outer shell are connected by the lower sealing ring and the upper sealing ring, and the contact gap between the cover plate and the outer shell is sealed by the sealant.

[0009] Furthermore, the sealing strip is bonded to the outer side of the plug, and the conductive post is inserted into the post groove.

[0010] Furthermore, the handle is made of stainless steel, and the sealing ridge is bonded to the upper edge of the lower sealing ring.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model, through the setting of wiring module, plug, limiting ring, sealing ring groove, limiting groove and sealing strip, enables the battery pack to be connected to the plug of the electric vehicle itself. After the plug is inserted into the slot, the limiting ring is locked into the limiting groove. The two sealing strips on the outermost side of the plug can make the plug and the sealing ring groove of the wiring module seal and connect, preventing rainwater from seeping into the conductive post of the plug and ensuring the safe operation of the battery pack.

[0013] 2. This utility model, through the setting of an upper sealing ring, a lower sealing ring, and a sealing protrusion, allows the lower sealing ring to be inserted into the gap formed between the upper sealing ring and the cover plate when the cover plate is connected to the outer shell. The sealing protrusion on the upper edge of the lower sealing ring can make the lower sealing ring press tightly against the inner top side of the upper sealing ring, so that the top cover and the outer shell are sealed by the sealing protrusion. When the sealant falls off, the sealing protrusion can ensure the sealing effect of the cover plate and the outer shell. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A;

[0016] Figure 3 This is a schematic diagram of the structure of the plug that connects to the wiring module in this utility model;

[0017] Figure 4 This is a schematic diagram of the main cross-sectional structure at the connection position between the cover plate and the outer shell in this utility model;

[0018] Figure 5 This utility model Figure 4 A magnified structural diagram at point B in the middle.

[0019] In the diagram: 1. Outer shell; 2. Cover plate; 3. Sealant; 4. Fixing bolt; 5. Handle; 6. Wiring module; 7. Conductive post; 8. Slot; 9. Sealing ring groove; 10. Plug; 11. Post groove; 12. Limiting ring; 13. Limiting groove; 14. Sealing strip; 15. Upper sealing ring; 16. Lower sealing ring; 17. Sealing protrusion. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-5 This embodiment provides a technical solution: a waterproof battery pack, including a cover plate 2, a shell 1 disposed on the lower side of the cover plate 2, a wiring module 6 disposed on one side of the cover plate 2, a slot 8 disposed on the inner side of the wiring module 6, a limiting ring 12 disposed on the outer ring side of the slot 8, a sealing ring groove 9 disposed between the outer side of the limiting ring 12 and the wiring module 6, a plug 10 can be inserted into the slot 8, two sealing strips 14 are installed on the outermost side of the plug 10, a limiting groove 13 is disposed inside the plug 10, sealant 3 is filled at the joint between the cover plate 2 and the shell 1, an upper sealing ring 15 is fixedly installed on the inner ring side of the lower edge of the cover plate 2, a lower sealing ring 16 is fixedly installed on the inner side of the upper edge of the shell 1, and a sealing protrusion 17 is installed on the upper side of the lower sealing ring 16.

[0022] like Figure 1-5 As shown, during use, the battery pack can be placed into the battery compartment of the electric vehicle using the handle 5. The plug 10 from the electric vehicle is then inserted into the wiring module 6. When the plug 10 is inserted into the slot 8, the limiting ring 12 on the wiring module 6 can be inserted into the limiting groove 13. The outermost part of the plug 10 can be inserted into the sealing ring groove 9 of the wiring module 6. The two sealing strips 14 can seal the outermost part of the plug 10 with the inner side of the sealing ring groove 9, ensuring the waterproof effect of the plug 10. When the cover plate 2 is connected to the outer shell 1, the lower sealing ring 16 on the outer shell 1 can be inserted into the gap between the upper sealing ring 15 and the cover plate 2. The sealing protrusion 17 on the upper edge of the lower sealing ring 16 can ensure the waterproof seal between the cover plate 2 and the outer shell 1. The gap between the cover plate 2 and the outer shell 1 can be filled with sealant 3 to ensure the sealing effect of the gap between the cover plate 2 and the outer shell 1, thereby ensuring the waterproof effect.

[0023] A fixing bolt 4 connects the cover plate 2 and the outer shell 1. A handle 5 is fixedly installed on the upper side of the cover plate 2. The battery cell is set inside the outer shell 1. The fixing bolt 4 can ensure the connection strength between the cover plate 2 and the outer shell 1. The handle 5 makes it convenient for personnel to disassemble and install the battery pack.

[0024] The slot 8 is provided with three conductive posts 7, and the plug 10 is provided with a groove 11 corresponding to the position of the conductive posts 7. The groove 11 is provided with a conductive structure, so that the conductive posts 7 can contact the conductive structure in the groove 11 to ensure the connection of the circuit.

[0025] The cover plate 2 and the outer shell 1 are connected by a lower sealing ring 16 and an upper sealing ring 15, and the contact gap between the cover plate 2 and the outer shell 1 is sealed with sealant 3.

[0026] The sealing strip 14 is glued to the outer side of the plug 10, and the conductive post 7 is inserted into the post groove 11.

[0027] The handle 5 is made of stainless steel, and the sealing strip 17 is glued to the upper edge of the lower sealing ring 16.

[0028] The working principle of the waterproof battery pack provided by this utility model is as follows: Figures 1-5 As shown, during use, the battery pack can be placed into the battery compartment of the electric vehicle using the handle 5. The plug 10 from the electric vehicle is then inserted into the wiring module 6. When the plug 10 is inserted into the slot 8, the limiting ring 12 on the wiring module 6 can be inserted into the limiting groove 13. The outermost part of the plug 10 can be inserted into the sealing ring groove 9 of the wiring module 6. The two sealing strips 14 can seal the outermost part of the plug 10 with the inner side of the sealing ring groove 9, ensuring the waterproof effect of the plug 10. When the cover plate 2 is connected to the outer shell 1, the lower sealing ring 16 on the outer shell 1 can be inserted into the gap between the upper sealing ring 15 and the cover plate 2. The sealing protrusion 17 on the upper edge of the lower sealing ring 16 can ensure the waterproof seal between the cover plate 2 and the outer shell 1. The gap between the cover plate 2 and the outer shell 1 can be filled with sealant 3 to ensure the sealing effect of the gap between the cover plate 2 and the outer shell 1, thereby ensuring the waterproof effect.

[0029] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A waterproof battery pack, comprising a cover plate, characterized in that: A housing is provided on the lower side of the cover plate, and a wiring module is provided on one side of the cover plate. A slot is provided on the inner side of the wiring module, and a limit ring is provided on the outer ring side of the slot. A sealing ring groove is provided between the outer side of the limit ring and the wiring module. A plug can be inserted into the slot. Two sealing strips are installed on the outermost side of the plug. A limit groove is provided inside the plug. The joint between the cover plate and the housing is filled with sealant. An upper sealing ring is fixedly installed on the inner ring side of the lower edge of the cover plate, and a lower sealing ring is fixedly installed on the inner side of the upper edge of the housing. A sealing protrusion is installed on the upper side of the lower sealing ring.

2. The waterproof battery pack according to claim 1, characterized in that: The cover plate is connected to the outer shell by fixing bolts, a handle is fixedly installed on the upper side of the cover plate, and a battery cell is provided on the inner side of the outer shell.

3. A waterproof battery pack according to claim 1, characterized in that: The slot is provided with three conductive posts, and the plug is provided with a groove corresponding to the position of the conductive posts.

4. A waterproof battery pack according to claim 1, characterized in that: The cover plate and the outer shell are connected by the lower sealing ring and the upper sealing ring, and the contact gap between the cover plate and the outer shell is sealed by the sealant.

5. A waterproof battery pack according to claim 3, characterized in that: The sealing strip is bonded to the outer side of the plug, and the conductive post is inserted into the post groove.

6. A waterproof battery pack according to claim 2, characterized in that: The handle is made of stainless steel, and the sealing strip is glued to the upper edge of the lower sealing ring.

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