Battery and sealing waterproof structure thereof

By combining the casing and the cover, the battery is sealed and waterproofed using a sealing groove and bolt connection. This solves the problems of complex sealing structures and poor waterproofing in existing batteries, improves the convenience of battery maintenance and waterproofing performance, and extends the battery's lifespan.

CN223693251UActive Publication Date: 2025-12-19WEST GERMAN OUPIN BATTERY (HANGZHOU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423200825.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-19
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing battery sealing structures are complex, which is not conducive to later disassembly and maintenance, and the waterproof effect is generally poor, which cannot effectively protect the components inside the casing, leading to easy corrosion and over-discharge of the battery.

Method used

The structure consists of a shell, a first cover, and a second cover. A sealing groove is formed by the inner support flange and the outer flange, and the groove is filled with sealant. The second cover is fastened and fixed to the top of the shell. Combined with bolt connections and waterproof sealant, a waterproof seal is achieved.

Benefits of technology

It simplifies the battery installation and removal process, improves waterproofing, protects the battery cells and components, and extends the battery's lifespan.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223693251U_ABST
    Figure CN223693251U_ABST
Patent Text Reader

Abstract

The utility model relates to a battery and its sealing waterproof structure, the sealing waterproof structure comprises a shell, a first buckle cover and a second buckle cover, the upper part of the shell is provided with a circle of inner support baffle edge close to the shell, the periphery of the first buckle cover is provided with a circle of outer flange, the first buckle cover is placed in the shell through the cooperation of the inner support baffle edge and the outer flange, and the second buckle cover is placed in the shell through the cooperation of the inner support baffle edge and the outer flange. The outer flange, the outer wall of the first buckle cover and the inner wall of the shell form a sealant groove, the sealant groove is filled with sealant, and the second buckle cover is fixed to the top of the shell in a buckled mode and covers the sealant groove. The two buckling covers are arranged on the shell, and one buckling cover and the shell form the sealing glue groove, so that gluing is facilitated, sealing and water proofing between an internal space formed by the buckling covers and the shell and the outside are further realized, a battery cell and components in the shell are effectively protected, and the overall service life of the battery is prolonged; and the other buckle cover is fixed with the shell and can cover the glue, so that the structural strength and the attractiveness are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery technical field, especially relate to a battery and its sealed waterproof structure. TECHNICAL FIELD

[0003] In modern life, electric bicycle has become the necessary travel supplies of people in daily life.Electric bicycle is the traffic tool of installing the operating parts such as motor, controller, storage battery, handlebar brake handle and display instrument system on the basis of ordinary bicycle with storage battery as auxiliary energy, and the storage battery mainly used in current electric bicycle includes lead-acid battery and lithium battery.

[0004] No matter lithium battery, lead-acid battery or other kinds of battery, need to carry out waterproof treatment to prevent the corrosion of the components and battery core in the shell by water, and then affect the normal work of battery, and water as conductor will make battery over-discharge to lead to battery not charging, and the battery will be scrapped in the long run, the sealing structure of battery in prior art is complex, is not favorable to the disassembly and maintenance of later period, and the waterproof effect is general, is not suitable for large-scale popularization and use. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the first purpose of the utility model is to provide a battery sealing waterproof structure, which is convenient to process and install, and has good waterproof effect, and the first purpose of the utility model is to provide a battery.

[0006] In order to realize the above first utility model purpose, the utility model adopts the following technical scheme:

[0007] A kind of battery sealing waterproof structure, including shell, first buckle cover and second buckle cover, the upper part of the shell is close to and is equipped with a circle of inner support stop, the periphery of the first buckle cover is equipped with a circle of outer flange, the first buckle cover is placed in shell by the cooperation of inner support stop and outer flange, the outer flange, the outer wall of first buckle cover and the inner wall of shell form sealing glue groove, the sealing glue groove is filled with sealing glue, the second buckle cover is buckled and fixed at the top of shell, and the sealing glue groove is covered.

[0008] As preferred scheme: the middle part of the second buckle cover is equipped with through hole, the middle part of the outer end surface of the first buckle cover is also equipped with handle assembly and charging seat, and handle assembly and charging seat are exposed from through hole.

[0009] As preferred scheme: handle assembly and charging seat are connected with first buckle cover by bolt, and the bolt connection on the inner end surface of second buckle cover is equipped with waterproof sealing glue.

[0010] As preferred scheme: the inner support stop is formed by inwardly folding the top of shell, and the top of shell is also welded with a circle of upper connecting part.

[0011] As a preferred solution: the height of the upper connecting part is the same as the height of the first buckle cover.

[0012] As a preferred solution: the side wall of the second buckle cover is uniformly spaced with a plurality of long strip-shaped through holes, and the upper connecting part is provided with bolt holes corresponding to the long strip-shaped through holes, and the second buckle cover and the shell are fastened by bolts.

[0013] As a preferred solution: the outer flange of the first buckle cover is fixed with the inner support stop by a bolt.

[0014] In order to realize the above-mentioned second utility model purpose, the utility model adopts the following technical scheme:

[0015] A battery comprises a cell group and the battery sealing and waterproof structure of any one of the above, and the cell group is arranged in the space formed by the shell and the first buckle cover.

[0016] The shell is provided with two buckle covers, one of which forms a sealing glue groove with the shell, facilitating glue application, thereby realizing the sealing and waterproof between the internal space formed by the buckle cover and the shell and the outside, effectively protecting the cell and components in the shell, and increasing the overall service life of the battery. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings accompanying the specification provide further understanding of the present application, the schematic embodiments of the present application and the description thereof serve to explain the present application, and do not constitute a limitation on the present application.

[0018] Figure 1 is the overall structure schematic diagram of the utility model;

[0019] Figure 2 is the explosion structure schematic diagram of the utility model;

[0020] Figure 3 is the assembly structure schematic diagram of the shell and the first buckle cover of the utility model;

[0021] Figure 4 is the structure schematic diagram of the first buckle cover of the utility model;

[0022] Figure 5 is the structure schematic diagram of the shell of the utility model;

[0023] Figure 6 is the structure schematic diagram of the second buckle cover of the utility model.

[0024] The reference signs are: 1, shell; 11, upper connecting part; 12, bolt hole; 13, inner support stop; 2, first buckle cover; 20, outer flange; 21, handle assembly; 22, charging seat; 3, second cover; 30, through hole; 31, long strip-shaped through hole; 4, glue pouring groove. DETAILED DESCRIPTION

[0025] It should be noted that the following detailed description is illustrative only, and is intended to provide further description in order to provide a further understanding of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0026] It should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that the terms "comprise" and / or "include" as used herein indicate the presence of the features, steps, operations, devices, components and / or combinations thereof.

[0027] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.

[0029] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0032] like Figures 1 to 6 The battery sealing and waterproof structure shown includes a housing 1, a first cover 2, and a second cover 3. The upper part of the housing 1 is provided with an inner support flange 13. The first cover 2 is provided with an outer flange 20 around its perimeter. The first cover 2 is placed in the housing 1 by the cooperation of the inner support flange 13 and the outer flange 20. The outer flange 20, the outer wall of the first cover 2, and the inner wall of the housing 1 form a sealing groove 4. The sealing groove 4 is filled with sealant. The second cover 3 is fastened and fixed to the top of the housing 1 and covers the sealing groove 4.

[0033] In other embodiments, the outer flange 20 of the first cover 2 and the inner support flange 13 can also be fixed with bolts first, and then the sealing groove 4 can be glued to ensure sealing and waterproofing while also increasing structural strength.

[0034] The second cover 3 has a through hole 30 in its center, and the outer end face of the first cover 2 also has a handle assembly 21 and a charging base 22 in its center, with the handle assembly 21 and the charging base 22 protruding from the through hole 30. Both the handle assembly 21 and the charging base 22 are bolted to the first cover 2, and waterproof sealant is applied to the bolt connection points on the inner end face of the second cover 3. Waterproofing the handle assembly and the charging base further enhances their waterproof performance.

[0035] The inner support flange 13 is formed by folding inward from the top of the housing 1, and an upper connecting part 11 is also welded to the top of the housing 1. Folding the housing flange first and then welding it facilitates processing, and the resulting inner support flange 13 and upper connecting part have high structural strength, which can extend the service life.

[0036] The height of the upper connecting part 11 is the same as the height of the first buckle cover 2. The side wall of the second buckle cover 3 is uniformly provided with a plurality of long strip-shaped through holes 31, and the upper connecting part 11 is provided with bolt holes 12 corresponding to the long strip-shaped through holes 31, and the bolt passes through the long strip-shaped through holes 31 and the bolt holes to fasten the second buckle cover 3 and the shell. The long strip-shaped through hole facilitates the adjustment of the position of the second buckle cover, so that the second buckle cover and the first buckle cover are more fitted, and at the same time, the assembly is more convenient.

[0037] The utility model further provides a kind of battery, including electric core group, adopt above-mentioned battery sealing waterproof structure, the electric core group is arranged in the space formed by shell 1 and first buckle cover 2.

[0038] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] Although the embodiments of the present application have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above-mentioned embodiments within the scope of the present application without departing from the principles and purposes of the present application. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above-mentioned embodiments still belongs to the scope of the technical scheme of the present application.

Claims

1. A battery sealing waterproof structure characterized by comprising: The application relates to a battery sealing and waterproof structure, which comprises a shell (1), a first cover (2) and a second cover (3), the upper part of the shell (1) is provided with an inner supporting ridge (13), the periphery of the first cover (2) is provided with an outer flange (20), the first cover (2) is placed in the shell (1) through cooperation of the inner supporting ridge (13) and the outer flange (20), the outer flange (20), the outer wall of the first cover (2) and the inner wall of the shell (1) form a sealing glue groove (4), the sealing glue groove (4) is filled with sealing glue, the second cover (3) is fixedly buckled on the top of the shell (1) and covers the sealing glue groove (4).

2. The battery sealing and waterproof structure according to claim 1, characterized by: The middle part of the second cover (3) is provided with a through hole (30), the middle part of the outer end surface of the first cover (2) is further provided with a handle assembly (21) and a charging seat (22), and the handle assembly (21) and the charging seat (22) are exposed from the through hole (30).

3. The battery sealing and waterproof structure according to claim 2, characterized by: The handle assembly (21) and the charging seat (22) are connected with the first cover (2) through bolts, and the bolt connection position on the inner end surface of the second cover (3) is provided with waterproof sealing glue.

4. The battery sealing and waterproof structure according to claim 1, characterized by: The inner supporting ridge (13) is formed by inwardly folding the top of the shell (1), and the top of the shell (1) is further welded with an upper connecting part (11).

5. The battery sealing and waterproof structure according to claim 4, characterized by: The height of the upper connecting part (11) is the same as the height of the first cover (2).

6. The battery sealing and waterproof structure according to claim 4, characterized by: The side wall of the second cover (3) is uniformly and interval provided with a plurality of long strip-shaped through holes (31), the upper connecting part (11) is provided with bolt holes (12) corresponding to the long strip-shaped through holes (31), the second cover (3) and the shell are fastened through bolts penetrating the long strip-shaped through holes (31) and the bolt holes.

7. The battery sealing and waterproof structure according to claim 1, characterized by: The outer flange (20) of the first cover (2) is fixed through bolts with the inner supporting ridge (13).

8. A battery comprising a group of cells, characterized by: The battery sealing and waterproof structure is arranged in the space formed by the shell (1) and the first cover (2).