Spherical waterproof break-resistant battery pack

Through the design of the spherical waterproof and fall-resistant battery pack, the battery core is protected by a fixed bracket and shock-absorbing spring structure, which solves the problem of damage to the battery pack when falling, and improves the waterproof effect, achieving the safety and sealing of the battery pack.

CN223285132UActive Publication Date: 2025-08-29DONGGUAN SHENGHE ENERGY TECH CO LTD
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Patent Information

Application Number
CN202422426068.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-08-29
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

Existing battery packs are prone to damage when falling and have poor waterproofing, resulting in insufficient safety and waterproofing of the battery cell.

Method used

A ball-shaped waterproof and fall-resistant battery pack is designed, and adopts a combined structure of waterproof upper cover, waterproof lower cover, connecting screws, fixed position plate, fixed bracket, spring limit cylinder, shock absorbing spring and protective case. The battery core is fixed by fixing the bracket, and the shock absorbing spring, waterproof glue groove and waterproof ring are used to achieve waterproof sealing, avoiding damage to the battery core when it falls and improving waterproofness.

Benefits of technology

Effectively protect the battery cell from damage when falling, and improves the waterproof performance of the battery pack to ensure the safety and sealing of the battery pack.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spherical waterproof break-resistant battery pack, which relates to the technical field of battery packs and comprises a waterproof lower cover and a waterproof upper cover, fixed clamping plates are integrally formed at four corners of the inner side surfaces of the waterproof lower cover and the waterproof upper cover, screw holes are arranged at the corners of the fixed clamping plates, and connecting screws are arranged in the screw holes in a penetrating manner. And a waterproof cap is mounted at the upper end of the connecting screw. Through the arrangement of the waterproof upper cover, the waterproof lower cover, the connecting screw, the fixed clamping plate, the fixed bracket, the spring limiting cylinder, the damping spring and the protective shell, when the battery pack falls off, the battery core is clamped and fixed in the protective shell through the fixed bracket, the protective shell is clamped in the fixed clamping plate, and after the battery pack falls off, the battery core is prevented from falling off. Damping protection is carried out between the battery cell and the waterproof upper cover and the waterproof lower cover through the damping springs, and the battery cell is prevented from being damaged.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to a spherical waterproof and drop-resistant battery pack. Background Art

[0002] Battery packs provide power to electrical devices, enabling them to operate stably. Therefore, battery pack safety is crucial, requiring specialized structures to ensure waterproof and drop-resistant performance.

[0003] When an existing battery pack is dropped, the battery core is easily damaged by collision, which increases the safety risk of the battery core. At the same time, the waterproof effect of the existing battery pack is average, and the gaps in the battery core shell are easily penetrated by water, causing the battery core to be damaged by water. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a spherical waterproof and drop-resistant battery pack. By arranging a waterproof upper cover, a waterproof lower cover, connecting screws, a waterproof cap, a fixed clamping plate, a fixed bracket, a spring limit cylinder, a shock-absorbing spring and a protective shell, when the battery pack falls, the battery core is fixed in the protective shell by the fixed bracket, and the protective shell is clamped in the fixed clamping plate. After the battery pack falls, the battery core and the waterproof upper cover and the waterproof lower cover are provided with shock-absorbing protection by the shock-absorbing spring, thereby avoiding damage to the battery core, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spherical waterproof and drop-resistant battery pack, comprising a waterproof lower cover and a waterproof upper cover, wherein the four corners of the inner side surfaces of the waterproof lower cover and the waterproof upper cover are integrally formed with fixed card plates, screw holes are provided at the corner positions of the fixed card plates, connecting screws are passed through the screw holes, and a waterproof cap is installed on the upper end of the connecting screw, a spring limiting cylinder is provided between the inner side surfaces of the waterproof upper cover and the waterproof lower cover adjacent to the fixed card plates, a shock-absorbing spring is installed in the spring limiting cylinder, a protective shell is installed in the fixed card plate, a waterproof glue groove is provided at the connecting edge position of the waterproof upper cover and the waterproof lower cover, a waterproof ring is provided at the closed position of the waterproof upper cover and the waterproof lower cover, a power cord is provided on the inside of the waterproof ring, and fixed brackets are provided at the upper and lower parts of the interior of the protective shell, and a battery core is sleeved in the fixed bracket.

[0006] Furthermore, a circuit board is provided on one side of the battery core, and electrode sheets are welded to the upper and lower ends of the battery core.

[0007] Furthermore, a plug is provided at one end of the power cord away from the circuit board, and the waterproof upper cover and the waterproof lower cover are connected by the connecting screws.

[0008] Furthermore, the waterproof glue grooves of the waterproof upper cover and the waterproof lower cover are filled with waterproof sealant or waterproof silicone rings, and the spring limiting cylinder is connected to the shock-absorbing spring through a slot.

[0009] Furthermore, the protective shell is connected to the fixing bracket via a slot, and the battery core is plugged into the fixing bracket.

[0010] Furthermore, the waterproof cap is connected to the waterproof upper cover slot, and the power cord is welded to the circuit board.

[0011] Furthermore, the power cord is connected to the plug via screws, and the waterproof ring is integrally formed with the power cord housing.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model is provided with a waterproof upper cover, a waterproof lower cover, connecting screws, a fixed clamping plate, a fixed bracket, a spring limit cylinder, a shock-absorbing spring and a protective shell. When the battery pack falls, the battery core is fixed in the protective shell by the fixed bracket, and the protective shell is clamped in the fixed clamping plate. After the battery pack falls, the battery core and the waterproof upper cover and the waterproof lower cover are connected by the shock-absorbing spring to provide shock absorption protection, thereby preventing the battery core from being damaged.

[0014] 2. The utility model provides a waterproof glue groove, a waterproof cap, a waterproof ring and a power cord, so that the connection screws of the waterproof upper cover and the waterproof lower cover are waterproof and sealed. The connection gap between the waterproof upper cover and the waterproof lower cover is sealed and waterproof by waterproof glue. The power cord is a waterproof line, which improves the overall waterproof effect of the battery pack. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the structure without the waterproof cover;

[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the structure without the waterproof cover and protective shell;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the structure without the electrode sheet and partial battery core.

[0019] In the figure: 1. Waterproof upper cover; 2. Waterproof lower cover; 3. Waterproof cap; 4. Power cord; 5. Plug; 6. Waterproof ring; 7. Protective shell; 8. Fixed positioning plate; 9. Shock-absorbing spring; 10. Connecting screw; 11. Waterproof glue groove; 12. Fixed bracket; 13. Battery core; 14. Electrode sheet; 15. Spring limit cylinder; 16. Circuit board. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4 , this embodiment provides a technical solution: a spherical waterproof and drop-resistant battery pack, including a waterproof lower cover 2 and a waterproof upper cover 1, the inner side surfaces of the waterproof lower cover 2 and the waterproof upper cover 1 are integrally formed with fixed card plates 8, the corner positions of the fixed card plates 8 are provided with screw holes, and connecting screws 10 are passed through the screw holes. A waterproof cap 3 is installed on the upper end of the connecting screw 10, and a spring limiting cylinder 15 is provided between the adjacent fixed card plates 8 on the inner sides of the waterproof upper cover 1 and the waterproof lower cover 2. A shock-absorbing spring 9 is installed in the spring limiting cylinder 15, and a protective shell 7 is installed in the fixed card plate 8. A waterproof glue groove 11 is provided at the connecting edge position of the waterproof upper cover 1 and the waterproof lower cover 2, a waterproof ring 6 is provided at the closed position of the waterproof upper cover 1 and the waterproof lower cover 2, and a power cord 4 is provided inside the waterproof ring 6. Fixed brackets 12 are provided at the upper and lower parts of the protective shell 7, and a battery core 13 is sleeved in the fixed bracket 12.

[0022] like Figure 1-4 As shown, when the battery pack is in use, the power cord 4 is connected to the electrical equipment through the plug 5. After the waterproof upper cover 1 and the waterproof lower cover 2 are closed, the connecting screws 10 can connect and fix the waterproof upper cover 1 and the waterproof lower cover 2, so that the waterproof upper cover 1 and the waterproof lower cover 2 are connected and fixed. The waterproof glue groove 11 is filled with waterproof silicone or waterproof glue, so that the waterproof upper cover 1 and the waterproof lower cover 2 are sealed and connected, improving the waterproof sealing performance. The waterproof ring 6 can make the power cord 4 and the waterproof upper cover 1 and the waterproof lower cover 2 contact position sealed and connected, improving the waterproof sealing performance. The circular waterproof upper cover 1 and the waterproof lower cover 2 structure allow the battery pack to roll when it falls, avoiding direct impact and damage to the battery pack. At the same time, the battery core 13 is connected to the inside of the waterproof upper cover 1 and the waterproof lower cover 2 through the shock-absorbing spring 9 and the spring limiting cylinder 15. When the battery pack falls, the battery core 13 can be shock-absorbing treated by the shock-absorbing spring 9, and the fixed clamping plate 8 can effectively limit and clamp the battery core 13 to ensure the safety of the battery core 13.

[0023] A circuit board 16 is provided on one side of the battery core 13 , and electrode sheets 14 are welded to the upper and lower ends of the battery core 13 . The electrode sheets 14 can connect the upper and lower ends of the battery core 13 , and the circuit board 16 can regulate the charge and discharge of the battery core 13 .

[0024] A plug 5 is provided at one end of the power cord 4 away from the circuit board 16. The waterproof upper cover 1 and the waterproof lower cover 2 are connected by connecting screws 10. The power cord 4 can be connected to the electrical device through the plug 5 to ensure that the device obtains power supply.

[0025] The waterproof glue grooves 11 of the waterproof upper cover 1 and the waterproof lower cover 2 are filled with waterproof sealant or waterproof silicone rings, and the spring limiting cylinder 15 is connected to the shock-absorbing spring 9 through a card slot.

[0026] The protective shell 7 is connected to the fixing bracket 12 through a card slot, and the battery core 13 is plugged into the fixing bracket 12 . The protective shell 7 can effectively protect the battery core 13 .

[0027] The waterproof cap 3 is connected to the waterproof upper cover 1 through a slot, and the power line 4 is welded to the circuit board 16 .

[0028] The power cord 4 is connected to the plug 5 by screws, and the waterproof ring 6 is integrally formed with the outer shell of the power cord 4.

[0029] The working principle of the spherical waterproof and drop-resistant battery pack provided by the utility model is as follows: Figures 1-4 As shown, when the battery pack is in use, the power cord 4 is connected to the electrical equipment through the plug 5. After the waterproof upper cover 1 and the waterproof lower cover 2 are closed, the connecting screws 10 can connect and fix the waterproof upper cover 1 and the waterproof lower cover 2, so that the waterproof upper cover 1 and the waterproof lower cover 2 are connected and fixed. The waterproof glue groove 11 is filled with waterproof silicone or waterproof glue, so that the waterproof upper cover 1 and the waterproof lower cover 2 are sealed and connected, improving the waterproof sealing performance. The waterproof ring 6 can make the power cord 4 and the waterproof upper cover 1 and the waterproof lower cover 2 contact position sealed and connected, improving the waterproof sealing performance. The circular waterproof upper cover 1 and the waterproof lower cover 2 structure allow the battery pack to roll when it falls, avoiding direct impact and damage to the battery pack. At the same time, the battery core 13 is connected to the inside of the waterproof upper cover 1 and the waterproof lower cover 2 through the shock-absorbing spring 9 and the spring limiting cylinder 15. When the battery pack falls, the battery core 13 can be shock-absorbing treated by the shock-absorbing spring 9, and the fixed clamping plate 8 can effectively limit and clamp the battery core 13 to ensure the safety of the battery core 13.

[0030] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A spherical waterproof and drop-resistant battery pack, comprising a waterproof lower cover (2) and a waterproof upper cover (1), characterized in that: The four corners of the inner side surfaces of the waterproof lower cover (2) and the waterproof upper cover (1) are integrally formed with fixed card plates (8), the corner positions of the fixed card plates (8) are provided with screw holes, the screw holes are penetrated by connecting screws (10), the upper ends of the connecting screws (10) are installed with waterproof caps (3), the inner sides of the waterproof upper cover (1) and the waterproof lower cover (2) are adjacent to the fixed card plates (8), and the spring limiting cylinder (15) is installed with a shock absorbing device. A spring (9) is provided, a protective shell (7) is installed in the fixed positioning plate (8), a waterproof glue groove (11) is provided at the connection edge position of the waterproof upper cover (1) and the waterproof lower cover (2), a waterproof ring (6) is provided at the closed position of the waterproof upper cover (1) and the waterproof lower cover (2), a power line (4) is provided inside the waterproof ring (6), and a fixed bracket (12) is provided at the upper and lower parts of the interior of the protective shell (7), and a battery core (13) is provided inside the fixed bracket (12).

2. The spherical waterproof and drop-resistant battery pack according to claim 1, characterized in that: A circuit board (16) is provided on one side of the battery core (13), and electrode sheets (14) are welded to the upper and lower ends of the battery core (13).

3. The spherical waterproof and drop-resistant battery pack according to claim 2, characterized in that: A plug (5) is provided at one end of the power line (4) away from the circuit board (16), and the waterproof upper cover (1) and the waterproof lower cover (2) are connected via the connecting screws (10).

4. The spherical waterproof and drop-resistant battery pack according to claim 3, characterized in that: The waterproof glue grooves (11) of the waterproof upper cover (1) and the waterproof lower cover (2) are filled with waterproof sealant or waterproof silicone rings, and the spring limiting cylinder (15) is connected to the shock-absorbing spring (9) through a slot.

5. The spherical waterproof and drop-resistant battery pack according to claim 1, characterized in that: The protective shell (7) is connected to the fixing bracket (12) via a slot, and the battery core (13) is plugged into the fixing bracket (12).

6. The spherical waterproof and drop-resistant battery pack according to claim 2, characterized in that: The waterproof cap (3) is connected to the waterproof upper cover (1) via a slot, and the power line (4) is welded to the circuit board (16).

7. The spherical waterproof and drop-resistant battery pack according to claim 3, characterized in that: The power cord (4) and the plug (5) are connected via screws, and the waterproof ring (6) and the outer shell of the power cord (4) are integrally formed.