Splash-proof packaging structure of battery

Abstract

The utility model relates to a battery splash-proof packaging structure which comprises a battery cell and a protection plate assembly, the protection plate assembly is arranged on the top surface of the battery cell, the battery splash-proof packaging structure further comprises a first waterproof part and a second waterproof part, the first waterproof part at least covers the first surface, facing the battery cell, of the protection plate assembly, and the second waterproof part at least covers the second surface of the protection plate assembly. The second waterproof part covers the second surface, deviating from the battery cell, of the protection plate assembly and the third surface and the fourth surface on the two sides of the protection plate assembly in the width direction, and the two ends of the first waterproof part and / or the second waterproof part are bent to form sealing parts; and the sealing part covers the fifth surface and the sixth surface on the two sides of the protection plate assembly in the length direction. The waterproof device can meet the waterproof requirement of the waterproof level, is simple in structure, can reduce the cost, reduces the occupied space, and facilitates the improvement of the capacity of the battery.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technical field, specifically, relate to a battery waterproof splash encapsulation structure. BACKGROUND

[0002] With the extension of the use scene of the electronic product, the waterproof requirement of the product is increasingly prominent, and the battery as an important component of the electronic product also needs to have certain waterproof capacity. The current battery generally adopts the head injection molding process for waterproof, and this kind of mode is on the one hand complex process, and the waterproof cost is too high for the lower waterproof requirement such as IPX4 grade, that is, the waterproof splash type; on the other hand, due to the large volume of the plastic after injection molding, the space of the battery needs to be occupied, which will lead to the substantial reduction of the battery capacity. UTILITY MODEL CONTENTS

[0003] The utility model discloses a battery waterproof splash encapsulation structure, can satisfy the waterproof requirement of waterproof splash grade, and simple structure can reduce the cost, reduce the space occupied, be favorable to the promotion of battery capacity.

[0004] A battery waterproof splash encapsulation structure, comprising a battery core and a protection plate assembly, the protection plate assembly is arranged on the top surface of the battery core, further comprising a first waterproof part and a second waterproof part, the first waterproof part covers at least the first surface of the protection plate assembly facing the battery core, the second waterproof part covers the second surface of the protection plate assembly away from the battery core and the third surface and the fourth surface on both sides of the protection plate assembly in the width direction, and the both ends of the first waterproof part and / or the second waterproof part are bent to form a sealing part, and the sealing part covers the fifth surface and the sixth surface on both sides of the protection plate assembly in the length direction.

[0005] In the above technical scheme, the first waterproof part shields the first surface of the protection plate assembly, the second waterproof part shields the second surface, the third surface and the fourth surface of the protection plate assembly, and the sealing part formed by bending the first waterproof part and / or the second waterproof part shields the fifth surface and the sixth surface of the protection plate assembly, so as to realize the overall wrapping of the six surfaces of the protection plate assembly, effectively prevent water and foreign matters from entering the protection plate assembly, and play the waterproof splash effect. The above structure does not need to be injection molded, can simplify the manufacturing process, improve the production efficiency, and through the simple structure of the first waterproof part and the second waterproof part, the space occupied is small, more space can be provided for the battery, and the battery capacity can be improved.

[0006] Further, the first waterproof part comprises a first connecting part and a second connecting part perpendicular to each other, and the first connecting part and the second connecting part are respectively pasted on the first surface and the third surface.

[0007] In the technical scheme, the first connecting part can shield the first surface, and form waterproofing in the side direction, and the second connecting part can connect the third surface, so that the structure of the first waterproofing part is more stable, and meanwhile, the part of the third surface is formed with waterproofing.

[0008] Further, the top surface of the battery cell is provided with a gasket, and the first connecting part is attached to the gasket on the side away from the first surface.

[0009] In the technical scheme, the gasket can buffer the protection plate assembly, so that the protection plate assembly is more stable and reliable. The first connecting part is attached to the gasket, so that the first waterproofing part can be fixed in advance before the protection plate assembly is assembled, and the assembly is more convenient.

[0010] Further, the second connecting part comprises opposite first and second segments, and a glue layer is arranged between the first and second segments.

[0011] In the technical scheme, the first and second segments can form a double-layer structure, so as to improve the waterproofing effect.

[0012] Further, the two ends of the first connecting part or the second connecting part extend outward to form a sealing part.

[0013] In the technical scheme, the sealing part can be formed by extending the two ends of the first connecting part or the second connecting part outward, and after the protection plate assembly is assembled, the sealing part extending outward is bent and attached to the fifth and sixth surfaces, so as to form a waterproofing structure, which is simple and convenient to operate.

[0014] Further, the top surface of the battery cell is provided with a top sealing part, the protection plate assembly is arranged adjacent to the top sealing part, and the second connecting part is clamped between the top sealing part and the third surface.

[0015] In the technical scheme, the second connecting part is clamped between the top sealing part and the third surface, so that the structure is more stable, and meanwhile, the protection plate assembly is isolated from the top sealing part, so as to improve the waterproofing effect.

[0016] Further, the second waterproofing part comprises a third connecting part, a fourth connecting part and a fifth connecting part connected in sequence, the third connecting part is partially attached to the top sealing part, and the fourth and fifth connecting parts are respectively attached to the second and fourth surfaces.

[0017] In the technical scheme, the fourth and fifth connecting parts can form waterproofing on the second and fourth surfaces of the protection plate assembly respectively, the third connecting part is attached to the top sealing part, and in cooperation with the second connecting part, the third surface of the protection plate assembly and part of the top sealing part are shielded, so as to achieve the waterproofing effect.

[0018] Further, two ends of one of the third connecting part, the fourth connecting part and the fifth connecting part extend outward to form a sealing part.

[0019] In the above technical solution, the sealing part can be formed by extending two ends of one of the third connecting part, the fourth connecting part and the fifth connecting part outward, and after the protection plate assembly is assembled, the sealing part extending outward is bent and attached to the fifth surface and the sixth surface to form a waterproof structure, which is simple and convenient to operate.

[0020] Further, the first waterproof part and the second waterproof part are both waterproof adhesive paper.

[0021] In the above technical solution, the waterproof adhesive paper is used as the first waterproof part and the second waterproof part, which is simple in structure and low in manufacturing cost.

[0022] Further, the protection plate assembly comprises a protection plate and a frame, and the protection plate is arranged in the frame.

[0023] In the above technical solution, the protection plate is arranged in the frame, which can better protect the protection plate, and the first waterproof part and the second waterproof part are attached to the surface of the frame, so that the structure is more stable.

[0024] Compared with the prior art, the battery waterproof splash packaging structure has the following beneficial effects: the first waterproof part shields the first surface of the protection plate assembly, the second waterproof part shields the second surface, the third surface and the fourth surface of the protection plate assembly, and the sealing part formed by bending the first waterproof part and / or the second waterproof part shields the fifth surface and the sixth surface of the protection plate assembly, so that the six surfaces of the protection plate assembly are fully wrapped, water and foreign matters are effectively prevented from entering the protection plate assembly, and the waterproof splash effect is achieved. The above structure does not need to be injection molded, can simplify the manufacturing process, improve the production efficiency, and through the simple structure of the first waterproof part and the second waterproof part, the occupied space is small, more space can be provided for the battery, and the capacity of the battery can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 FIG. 1 is a structural schematic view of a battery waterproof splash packaging structure according to an embodiment of the present application.

[0026] Figure 2 FIG. 2 is a sectional structural schematic view of the battery waterproof splash packaging structure according to the embodiment of the present application.

[0027] Figure 3 FIG. 3 is a structural schematic view of a protection plate assembly according to the embodiment of the present application.

[0028] Figure 4 FIG. 4 is a structural schematic view of a first waterproof part and a second waterproof part according to the embodiment of the present application.

[0029] Figure 5 Structure schematic diagram of the first waterproof part and the second waterproof part of the utility model embodiment hiding the sealing part.

[0030] Explanation of reference numerals:

[0031] The electric core 1, the gasket 11, the top sealing part 12, the protection plate assembly 2, the protection plate 21, the frame 22, the first surface 23, the second surface 24, the third surface 25, the fourth surface 26, the fifth surface 27, the sixth surface 28, the first waterproof part 3, the first connecting part 31, the second connecting part 32, the first section 321, the second section 322, the second waterproof part 4, the third connecting part 41, the fourth connecting part 42, the fifth connecting part 43, the sealing part 5, the length direction X, the width direction Y, the height direction Z. DETAILED DESCRIPTION

[0032] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the drawings in the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0034] Please refer to Figures 1 to 4 In a preferred embodiment, the battery waterproof splash packaging structure of the present application mainly comprises an electric core 1, a protection plate assembly 2, a first waterproof part 3 and a second waterproof part 4. The protection plate assembly 2 is arranged on the top surface of the electric core 1, the first waterproof part 3 covers at least the first surface 23 of the protection plate assembly 2 facing the electric core 1, the second waterproof part 4 covers the second surface 24 of the protection plate assembly 2 away from the electric core 1, and the third surface 25 and the fourth surface 26 on both sides of the protection plate assembly 2 in the width direction Y, and the two ends of the first waterproof part 3 and / or the second waterproof part 4 are bent to form a sealing part 5, and the sealing part 5 covers the fifth surface 27 and the sixth surface 28 on both sides of the protection plate assembly 2 in the length direction X.

[0035] Exemplarily, the battery cell 1 is formed as a cuboid, one end of which has a tab extending outward, and a side surface corresponding to the tab is a top surface, and the protection plate assembly 2 is arranged on the top surface, and the protection plate assembly 2 is generally formed as a cuboid, which has a first surface 23 facing the battery cell 1, a second surface 24 facing away from the battery cell 1, a third surface 25 and a fourth surface 26 located on both sides in the width direction Y, and a fifth surface 27 and a sixth surface 28 located on both sides in the length direction X. Among them, the direction perpendicular to the top surface of the battery cell 1 is defined as the height direction Z, the width direction Y is perpendicular to the length direction X, and the width direction Y, the length direction X and the height direction Z form a spatial orthogonal coordinate system.

[0036] The first waterproof member 3 and the second waterproof member 4 can be made of a flexible waterproof material that can be bent, and in the embodiment, both are preferably waterproof adhesive paper. The first waterproof member 3 shields the first surface 23 of the protection plate assembly 2, and the second waterproof member 4 shields the second surface 24, the third surface 25 and the fourth surface 26 of the protection plate assembly 2, and the sealing portion 5 formed by bending the first waterproof member 3 and / or the second waterproof member 4 shields the fifth surface 27 and the sixth surface 28 of the protection plate assembly 2, thereby achieving full wrapping of the six surfaces of the protection plate assembly 2, effectively preventing water and foreign matter from entering the protection plate assembly 2, and achieving the effect of waterproofing. The above structure does not need to be injection molded, can simplify the manufacturing process, improve production efficiency, and through the simple structure of the first waterproof member 3 and the second waterproof member 4, the space occupied is small, which can provide more space for the battery, and is beneficial to the improvement of the capacity of the battery.

[0037] The first waterproof member 3 includes a first connecting portion 31 and a second connecting portion 32 perpendicular to each other, and the first connecting portion 31 and the second connecting portion 32 are respectively pasted to the first surface 23 and the third surface 25. Specifically, the first connecting portion 31 extends along the width direction Y, and the second connecting portion 32 extends along the height direction Z, so that the first waterproof member 3 is formed as an "L" shape. The first connecting portion 31 can shield the first surface 23 to form a waterproof on the side direction, and the second connecting portion 32 can connect the third surface 25, so that the structure of the first waterproof member 3 is more stable, and at the same time, a part of the third surface 25 is formed to be waterproof.

[0038] The top surface of the battery cell 1 is provided with a gasket 11, and one side of the first connecting portion 31 away from the first surface 23 is pasted to the gasket 11. Exemplarily, the gasket 11 can be supported by flexible rubber, and the gasket 11 can buffer the protection plate assembly 2 to make the protection plate assembly 2 more stable and reliable. The first connecting portion is pasted to the gasket 11, which can fix the first waterproof member 3 in advance before the protection plate assembly 2 is assembled, so that the assembly is more convenient.

[0039] The second connecting part 32 comprises opposite first and second sections 321 and 322, and an adhesive layer is arranged between the first and second sections 321 and 322. For example, the end of the second connecting part 32 is reversely bent to form the opposite first and second sections 321 and 322, and the first and second sections 321 and 322 are connected by the adhesive layer, so that the first and second sections 321 and 322 can form a double-layer structure to improve the waterproof effect.

[0040] In an embodiment, the two ends of the first connecting part 31 or the second connecting part 32 extend outward to form the sealing part 5. The sealing part 5 can be formed by extending the two ends of the first connecting part 31 or the second connecting part 32 outward, and after the protection plate assembly 2 is assembled, the sealing part 5 extending outward is bent and attached to the fifth and sixth surfaces 27 and 28 to form a waterproof structure, which is simple and convenient to operate.

[0041] The top surface of the battery cell 1 is provided with a top sealing part 12, and the protection plate assembly 2 is arranged adjacent to the top sealing part 12, and the second connecting part 32 is clamped between the top sealing part 12 and the third surface 25. Clamping the second connecting part 32 between the top sealing part 12 and the third surface 25 can make the structure more stable, and at the same time, the protection plate assembly 2 is isolated from the top sealing part 12 to improve the waterproof effect.

[0042] The second waterproof part 4 comprises a third connecting part 41, a fourth connecting part 42, and a fifth connecting part 43 connected in sequence, the third connecting part 41 is partially attached to the top sealing part 12, and the fourth and fifth connecting parts 42 and 43 are attached to the second and fourth surfaces 24 and 26, respectively. Specifically, the third and fifth connecting parts 41 and 43 are perpendicular to the fourth connecting part 42 and are located at the two ends of the fourth connecting part 42 in the width direction Y, respectively, the third connecting part 41 extends in the width direction Y, and the fourth and fifth connecting parts 42 and 43 extend in the height direction Z. The fourth and fifth connecting parts 42 and 43 can form a waterproof structure for the second and fourth surfaces 24 and 26 of the protection plate assembly 2, respectively, and the third connecting part 41 is attached to the top sealing part 12, which cooperates with the second connecting part 32 to shield the third surface 25 of the protection plate assembly 2 and part of the top sealing part 12, thereby achieving a waterproof effect.

[0043] In an embodiment, the two ends of one of the third, fourth, and fifth connecting parts 41, 42, and 43 extend outward to form the sealing part 5. The sealing part 5 can be formed by extending the two ends of one of the third, fourth, and fifth connecting parts 41, 42, and 43 outward, and after the protection plate assembly 2 is assembled, the sealing part 5 extending outward is bent and attached to the fifth and sixth surfaces 27 and 28 to form a waterproof structure, which is simple and convenient to operate.

[0044] It can be understood that in another embodiment, the first waterproof part 3 and the second waterproof part 4 can simultaneously extend outwards to the sealing part 5, and the waterproof effect can be further improved by overlapping the two sealing parts 5.

[0045] In the embodiment, the protection plate assembly 2 comprises a protection plate 21 and a frame 22, and the protection plate 21 is arranged in the frame 22. The protection plate 21 is arranged in the frame 22, so that the protection plate 21 can be better protected, and the first waterproof part 3 and the second waterproof part 4 are attached to the surface of the frame 22, so that the structure is more stable.

[0046] In the description of the present application, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0047] 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, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0048] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A battery splash-proof packaging structure comprising a battery cell and a protection plate assembly provided on a top surface of the battery cell, characterized in that, The first waterproof member covers at least a first surface of the protection plate assembly facing the battery cell, and the second waterproof member covers a second surface of the protection plate assembly away from the battery cell, and third and fourth surfaces of the protection plate assembly on both sides in the width direction, and the first waterproof member and / or the second waterproof member is bent at both ends to form a sealing portion covering fifth and sixth surfaces of the protection plate assembly on both sides in the length direction.

2. The battery splash-proof packaging structure according to claim 1, wherein The first waterproof member comprises first and second connecting portions perpendicular to each other, and the first and second connecting portions are respectively attached to the first and third surfaces.

3. The battery splash-proof packaging structure according to claim 2, wherein The top surface of the battery cell is provided with a gasket, and the side of the first connecting portion away from the first surface is attached to the gasket.

4. The battery splash-proof packaging structure according to claim 2, wherein The second connecting portion comprises opposite first and second segments, and a glue layer is arranged between the first and second segments.

5. The battery splash-proof packaging structure according to claim 2, wherein Both ends of the first or second connecting portion extend outward to form a sealing portion.

6. The battery splash-proof packaging structure according to claim 2, wherein The top surface of the battery cell is provided with a top sealing portion, the protection plate assembly is arranged adjacent to the top sealing portion, and the second connecting portion is clamped between the top sealing portion and the third surface.

7. The battery splash-proof packaging structure according to claim 6, wherein The second waterproof member comprises third, fourth and fifth connecting portions connected in sequence, the third connecting portion is partially attached to the top sealing portion, and the fourth and fifth connecting portions are respectively attached to the second and fourth surfaces.

8. The battery splash-proof packaging structure according to claim 7, wherein Both ends of one of the third, fourth and fifth connecting portions extend outward to form a sealing portion.

9. The battery splash-proof packaging structure according to claim 1, wherein The first and second waterproof members are both waterproof adhesive papers.

10. The battery splash-proof packaging structure according to claim 1, wherein The protection plate assembly comprises a protection plate and a frame, and the protection plate is arranged in the frame.

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