Waterproof battery box

CN224708876UActive Publication Date: 2026-09-01GUANGDONG WEALWELL TECH CO LTD
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Patent Information

Application Number
CN202522099418.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-28
Publication Date
2026-09-01
Estimated Expiration
2035-09-28

AI Technical Summary

Benefits of technology

本实用新型提供的电池盒,其盒体的安装腔与端盖和导线之间均设有密封处理,可让安装腔形成完全封闭状态,具有较高的密封性,避免水进入,提高电池使用寿命和安全性;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a waterproof battery box, including box body, fixed bolster, battery box upper cover and battery. The box body is provided with the installation cavity of loading entrance and wire hole. The fixed bolster is installed in the installation cavity bottom, its power cord extends from the wire hole, is equipped with sealing structure between with wire hole. The battery box upper cover includes insertion part and end cover, the insertion part inserts the installation cavity of box body, the end cover blocks the loading entrance, is equipped with fixed assembly structure between with the box body. The part of insertion part and end cover connection is equipped with annular groove in the part of week, and is equipped with sealing ring. The insertion part is equipped with the installation groove, and the battery is installed in the installation groove. The utility model provides the battery box, and the installation cavity is sealed with the end cover and wire, and the sealing property is high, improves the service life and safety of battery, and when replacing battery, can pull out the battery box upper cover, and the operation is simple, reduces the cost of battery box maintenance.
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Description

Technical Field

[0001] This utility model relates to the field of battery box technology, and in particular to a waterproof battery box. Background Technology

[0002] With the development of new energy sources, more and more electronic products are equipped with a battery box, which provides power during power outages. However, due to the complex and diverse environments in which battery boxes are used, especially in humid environments, water can easily enter, causing the internal metal components to rust and corrode, leading to short circuits and battery damage. Furthermore, existing battery boxes often employ a non-removable structure to improve sealing, preventing users from replacing the batteries themselves and requiring the replacement of the entire battery box. Therefore, this invention provides a detachable, waterproof battery box structure that solves the aforementioned technical problems. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model proposes a battery box structure with strong waterproof performance.

[0004] A waterproof battery case includes a case body, a mounting bracket, a battery case cover, and a battery, wherein... The box body is provided with an installation cavity, which has an installation entrance at one end and a wire hole at the other end.

[0005] The fixing bracket is installed at the bottom of the mounting cavity of the housing, opposite to the loading inlet. The fixing bracket has a pair of elastic metal plates on the side facing the loading inlet, and a power cord on the other side. The power cord is electrically connected to the elastic metal plates and extends out from the wire hole. The power cord has a sealing structure inside the wire hole.

[0006] The battery box cover includes an insertion part and an end cap. The insertion part is inserted into the mounting cavity of the box body, and the end cap seals the mounting inlet and is fixedly assembled with the box body. An annular groove is provided around the part where the insertion part connects to the end cap, and a sealing ring is fitted thereon. The battery box cover and the mounting inlet are sealed by the sealing ring to prevent water from entering the mounting cavity. The insertion part has a mounting slot, in which the battery is installed. Positive and negative electrode metal plates are provided at both ends of the mounting slot. The positive and negative electrode metal plates include a series metal plate, a positive electrode plate, and a negative electrode plate. The batteries in each mounting slot are connected in series through the series metal plate. The end of the insertion part has a clearance opening through which the positive and negative electrode plates protrude. Two elastic metal plates pass through the clearance opening and respectively press against the positive and negative electrode plates, thereby electrically connecting the wires and the battery.

[0007] The battery box provided by this utility model has a sealing treatment between the mounting cavity of the box body and the end cover and wires, which can make the mounting cavity completely closed, with high sealing performance, preventing water from entering, improving battery life and safety. In addition, by setting the battery box cover with an insertion part, the battery can be installed on the insertion part, so that when the battery needs to be replaced, the battery box cover can be pulled out, which is simple to operate and allows users to replace the battery themselves, reducing the maintenance cost of the battery box.

[0008] Preferably, the sealing structure includes an O-ring, and the portion of the power cord inside the wire hole is provided with an annular groove and fitted with the O-ring, resulting in high sealing performance and reliability.

[0009] Preferably, to prevent the wire from being easily pulled out, the wire hole is stepped, the end of the power line forms a stepped limiting block, and the annular groove is provided around the limiting block.

[0010] Preferably, the fixing bracket is installed in the mounting cavity through a snap-fit ​​structure, which is easy to assemble and can improve the assembly efficiency of the battery box.

[0011] Preferably, the bottom of the mounting cavity is formed with a mounting rod, which extends toward the mounting entrance and has a buckle at its end. The fixing bracket has a reserved opening at the position corresponding to the mounting rod. The fixing bracket is inserted into the mounting cavity, the mounting rod passes through the reserved opening, and the fixing bracket is fixed to the bottom of the mounting cavity by hooking the reserved opening sidewall with the buckle.

[0012] Preferably, to improve the stability of the connection between the insertion part and the fixed bracket, the fixed bracket is provided with a through hole, the bottom of the mounting cavity is provided with a positioning hole aligned with the through hole, the end of the insertion part is provided with a positioning post, the battery box cover is installed into the box body, and the positioning post is inserted into the positioning hole after passing through the through hole, further fixing the insertion part and the fixed bracket to each other.

[0013] Preferably, the box body has mounting ears at both ends of the loading inlet, the battery box cover is installed into the box body, the two sides of the end cover fit with the mounting ears, and the fixed assembly structure is disposed between the two sides of the end cover and the mounting ears.

[0014] Preferably, the fixed assembly structure includes through holes, screws, and nuts. Through holes are provided on both sides of the end cap and on the mounting ears. The screws pass through the through holes in the end cap and mounting ears and are locked with the nuts. This structure is simple, easy to form, firmly assembled, and convenient to disassemble, providing convenience for users to replace batteries themselves. In addition, the end cap has pre-drilled screw holes for placing disassembled screws.

[0015] Preferably, the insertion part has mounting grooves on both sides and is arranged symmetrically to minimize space waste.

[0016] Preferably, there are ten mounting slots, which can provide sufficient power.

[0017] As can be seen from the above description of this utility model, this utility model has the following beneficial effects: The battery box provided by this utility model has a sealing treatment between the mounting cavity of the box body and the end cover and the wires, which can make the mounting cavity completely closed, with high sealing performance, preventing water from entering, and improving battery life and safety. This utility model provides a battery box cover with an insertion part, which allows the battery to be installed on the insertion part. When the battery needs to be replaced, the battery box cover can be pulled out, making the operation simple and allowing users to replace the battery themselves, thus reducing the maintenance cost of the battery box. The fixing bracket is installed in the mounting cavity through a snap-fit ​​structure, which is easy to assemble and can improve the assembly efficiency of the battery box. The fixed bracket has a through hole, and the bottom of the mounting cavity has a positioning hole aligned with the through hole. The battery box cover is installed into the box body, and the positioning post is inserted into the positioning hole after passing through the through hole, further fixing the insertion part and the fixed bracket to each other, improving the stability of the connection between the electrodes, and avoiding the situation of shaking and power failure. The insertion part has mounting grooves on both sides, which can reduce space waste; Compared with existing bundled batteries, this invention reduces wiring hassles and speeds up battery replacement by providing an independent battery mounting slot. A pre-drilled screw hole is provided on the end face of the end cap. The screws removed when replacing the battery can be locked in the pre-drilled screw hole to prevent the screws from being lost. Attached Figure Description

[0018] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0019] in: Figure 1 This is an isometric view of a waterproof battery box; Figure 2 This is an exploded view of a waterproof battery box; Figure 3 This is a schematic diagram illustrating the process of replacing the electromagnetic coil in a waterproof battery box. Figure 4 This is a cross-sectional view of a waterproof battery box; Figure 5 This is a sectional view of the box. Figure 6 This is a front view of the fixed bracket; Figure 7 This is an isometric view of the battery compartment cover; Figures 1 to 7 The markings are as follows: Box 1, Mounting cavity 11, Inlet 12, Wire hole 13, Mounting rod 14, Buckle 15, Mounting ear 16, Screw 17, Nut 18, Positioning hole 19, Fixing bracket 2, Elastic metal electrode 21, Power cord 22, O-ring 23, Reserved opening 24, Through hole 25, Battery box cover 3, Insertion part 31, Annular groove 311, Sealing ring 312, Mounting groove 313, Positive and negative electrode metal pieces 314, Series metal pieces 3141, Positive and negative electrode pieces 3142, Leaving opening 315, Positioning post 316, End cover 32, Reserved screw hole 321, Battery 4. Detailed Implementation

[0020] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0021] Please see Figures 1 to 7 A waterproof battery box, comprising a box body 1, a fixing bracket 2, a battery box cover 3, and batteries 4, wherein... The box body 1 is provided with a mounting cavity 11, which has an inlet 12 at one end and a wire hole 13 at the other end.

[0022] The fixing bracket 2 is installed at the bottom of the mounting cavity 11 of the housing 1, opposite to the loading inlet 12. The fixing bracket 2 has a pair of elastic metal plates 21 on one side facing the loading inlet 12, and a power cord 22 on the other side. The power cord 22 is electrically connected to the elastic metal plates 21 and extends out from the wire hole 13. The power cord 22 has a sealing structure inside the wire hole 13.

[0023] In one embodiment, the sealing structure includes an O-ring 23, and the portion of the power cord 22 within the wire hole 13 has an annular groove 311, and the O-ring 23 is fitted over it, resulting in high and reliable sealing. In other embodiments, to prevent the wire from being easily pulled out, the wire hole 13 is stepped, and the end of the power cord 22 forms a stepped limiting block, with the annular groove 311 located around the periphery of the limiting block.

[0024] In one embodiment, the fixing bracket 2 is installed in the mounting cavity 11 via a snap-fit ​​structure, which facilitates assembly and improves the assembly efficiency of the battery box 4. Specifically, the bottom of the mounting cavity 11 is formed with a mounting rod 14, which extends toward the mounting inlet 12 and has a buckle 15 at its end. The fixing bracket 2 has a reserved opening 24 corresponding to the position of the mounting rod 14. The fixing bracket 2 is inserted into the mounting cavity 11, the mounting rod 14 passes through the reserved opening 24, and the fixing bracket 2 is fixed to the bottom of the mounting cavity 11 by hooking the side wall of the reserved opening 24 with the buckle 15.

[0025] The battery box cover 3 includes an insertion part 31 and an end cover 32. The insertion part 31 is inserted into the mounting cavity 11 of the box body 1, and the end cover 32 blocks the mounting inlet 12 and is provided with a fixed assembly structure between it and the box body 1.

[0026] In one embodiment, the housing 1 has mounting ears 16 at both ends of the inlet 12. The battery box cover 3 is inserted into the housing 1, and the two sides of the end cover 32 fit against the mounting ears 16. The fixing assembly structure is disposed between the two sides of the end cover 32 and the mounting ears 16. Preferably, the fixing assembly structure includes through holes, screws 17, and nuts 18. Through holes are provided on both sides of the end cover 32 and on the mounting ears 16. The screws 17 pass through the through holes on the end cover 32 and the mounting ears 16 and are locked with the nuts 18. The structure is simple, easy to form, firmly assembled, and easy to disassemble and assemble, providing convenience for users to replace the battery 4 themselves. In addition, the end cover has a reserved screw hole 321 for placing the removed screws and preventing the screws 17 from being lost.

[0027] The insertion part 31 is provided with an annular groove 311 around the part where it connects to the end cover 32, and a sealing ring 312 is fitted thereon. The battery box cover 3 and the inlet 12 are sealed by the sealing ring 312 to prevent water from entering the mounting cavity 11. The insertion part 31 is provided with a mounting groove 313, and the battery 4 is installed in the mounting groove 313. Positive and negative electrode metal pieces 314 are provided at both ends of the mounting groove 313. The positive and negative electrode metal pieces 314 include a series metal piece 3141, a positive electrode piece, and a negative electrode piece 3142. The batteries 4 in each mounting groove 313 are connected in series by the series metal pieces 3141. The end of the insertion part 31 is provided with a relief opening 315. The positive electrode piece and the negative electrode piece 3142 in the positive and negative electrode metal pieces 314 are exposed through the relief opening 315. The two elastic metal plates 21 pass through the relief opening 315 and press against the positive electrode piece and the negative electrode piece respectively, thereby electrically connecting the wire and the battery 4.

[0028] In one embodiment, to improve the stability of the docking between the insertion part 31 and the fixing bracket 2, the fixing bracket 2 is provided with a through hole 25, the bottom of the mounting cavity 11 is provided with a positioning hole 19 aligned with the through hole 25, the end of the insertion part 31 is provided with a positioning post 316, the battery box cover 3 is installed into the box body 1, and the positioning post 316 is inserted into the positioning hole 19 after passing through the through hole 25, further fixing the insertion part 31 and the fixing bracket 2 to each other.

[0029] Based on the above embodiments, in one embodiment, the insertion part 31 is provided with mounting slots 313 on both sides and arranged symmetrically to minimize space waste. Preferably, there are ten mounting slots 313, which can provide sufficient power.

[0030] The battery box 4 provided by this utility model has a sealing treatment between the mounting cavity 11 of the box body 1 and the end cover 32 and the wires, which can make the mounting cavity 11 completely closed, with high sealing performance, preventing water from entering, and improving the service life and safety of the battery 4. In addition, by providing a battery box cover 3 with an insertion part 31, the battery 4 can be installed on the insertion part 31. When the battery 4 needs to be replaced, the battery box cover 3 can be pulled out, which is simple to operate and allows users to replace the battery 4 themselves, reducing the maintenance cost of the battery box 4.

[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0035] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0036] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A waterproof battery box, characterized in that, Includes the box body, mounting bracket, battery box cover, and battery; The box body is provided with an installation cavity, which has an installation entrance at one end and a wire hole at the other end; The fixing bracket is installed at the bottom of the mounting cavity of the box body, opposite to the loading inlet; the fixing bracket has a pair of elastic metal plates on the side facing the loading inlet, and a power line on the other side. The power line is electrically connected to the elastic metal plates and extends out from the wire hole. The power line has a sealing structure in the wire hole. The battery box cover includes an insertion part and an end cap. The insertion part is inserted into the mounting cavity of the box body, and the end cap seals the mounting entrance and has a fixed assembly structure between it and the box body. The part where the insertion part connects to the end cap has an annular groove around its periphery and is fitted with a sealing ring. The battery box cover and the mounting entrance are sealed by the sealing ring. The insertion part has a mounting groove, and the battery is installed in the mounting groove. Positive and negative electrode metal plates are provided at both ends of the mounting groove. The positive and negative electrode metal plates include a series metal plate, a positive electrode plate, and a negative electrode plate. The batteries in each mounting groove are connected in series by the series metal plate. The end of the insertion part has a clearance opening, through which the positive and negative electrode plates are exposed. The two elastic metal plates pass through the clearance opening and respectively abut against the positive and negative electrode plates.

2. A waterproof battery box according to claim 1, characterized in that, The sealing structure includes an O-ring, and the portion of the power cord inside the wire hole is provided with an annular groove, and the O-ring is fitted thereon.

3. A waterproof battery box according to claim 2, characterized in that, The wire hole is stepped, and the end of the power line forms a stepped limiting block. The annular groove is disposed around the periphery of the limiting block.

4. A waterproof battery box according to claim 1, characterized in that, The fixed bracket is installed in the mounting cavity via a snap-fit ​​structure.

5. A waterproof battery box according to claim 4, characterized in that, The bottom of the mounting cavity is formed with a mounting rod, which extends toward the mounting entrance and has a buckle at its end. The fixing bracket has a reserved opening at the position of the mounting rod. The fixing bracket is inserted into the mounting cavity, the mounting rod passes through the reserved opening, and the fixing bracket is fixed to the bottom of the mounting cavity by hooking the reserved opening sidewall with the buckle.

6. A waterproof battery box according to claim 1, characterized in that, The fixing bracket has a through hole, the bottom of the mounting cavity has a positioning hole aligned with the through hole, the end of the insertion part has a positioning post, the battery box cover is installed into the box body, and the positioning post is inserted into the positioning hole after passing through the through hole.

7. A waterproof battery box according to claim 1, characterized in that, The box body has mounting ears at both ends of the loading entrance. The battery box cover is installed into the box body. The two sides of the end cover fit with the mounting ears. The fixed assembly structure is set between the two sides of the end cover and the mounting ears.

8. A waterproof battery box according to claim 7, characterized in that, The fixed assembly structure includes through holes, screws, and nuts. Through holes are provided on both sides of the end cap and on the mounting ears. The screws pass through the through holes on the end cap and the mounting ears and are locked with the nuts. The end cap is provided with reserved screw holes.

9. A waterproof battery box according to claim 1, characterized in that, The insertion part has mounting grooves on both sides, and they are arranged symmetrically.

10. A waterproof battery box according to claim 9, characterized in that, There are ten mounting slots.