Waterproof shell and battery

By adopting ultrasonic welding technology in the waterproof shell and forming a rubber ring by filling the glue, the problems of unstable waterproof effect and appearance defects in the existing waterproof shell are solved, and higher stability and production efficiency are achieved.

CN222581322UActive Publication Date: 2025-03-07SHENZHEN HENGYU TECH CO LTD
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Patent Information

Application Number
CN202421100479.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-03-07
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing waterproof shells have unstable waterproofing effects, low yield rate, difficulty in detection, low production efficiency during mass production, and easy overflow of rework glue to the outer surface and cause appearance defects.

Method used

Ultrasonic welding technology is used and glue is filled to form a rubber ring to form a waterproof shell, which not only avoids the appearance problems that may be caused by glue bonding, but also ensures the waterproof effect.

Benefits of technology

The stability and yield of the waterproof shell are improved, and the appearance defects caused by glue bonding are avoided, and the production efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a waterproof housing. The waterproof housing comprises a bottom housing, a surface housing and a rubber ring. The bottom shell comprises a bottom plate and a frame vertically extending from the bottom plate, and the inner side of the frame end face, away from the bottom plate, of the frame is provided with a recess, so that a butt joint face is formed. The end face of the frame is arranged in an inclined mode relative to the bottom plate and inclines downwards towards the center of the bottom plate. The face shell comprises a face plate and a side plate vertically extending from the face plate. The side plate is arranged corresponding to the frame and fixedly connected with the frame through ultrasonic welding, a glue pouring groove is jointly formed in the outer side of the connecting position of the side plate and the frame, and the rubber ring is formed by pouring glue into the glue pouring groove. The utility model also provides a battery comprising the waterproof shell. According to the waterproof shell and the battery disclosed by the utility model, the appearance problem possibly caused by glue bonding is avoided, and the waterproof effect is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of waterproofing, in particular to a waterproof shell and a battery with the waterproof shell. Background Art

[0002] Many products on the market have waterproof requirements, such as digital products, some instruments and equipment used outdoors, batteries, power supplies, etc., which require waterproof design of the shell. Currently, waterproof shells on the market mainly use ultrasound, glue bonding, or adding waterproof rings to achieve waterproof requirements. Ultrasonic waterproofing refers to the use of ultrasonic welding technology to achieve a sealed connection between components (mainly plastic components) to achieve a waterproof effect; glue bonding waterproofing refers to the use of adhesives (glue) to achieve a sealed connection between components to achieve a waterproof effect; adding waterproof rings for waterproofing refers to placing one or more waterproof rings (usually made of rubber, silicone or other elastic materials) between two bonding surfaces to achieve a sealing and waterproof effect.

[0003] Among these waterproofing methods, waterproof shells using ultrasonic waterproofing or adding waterproof rings have problems such as unstable waterproofing effect, low yield rate, and difficult detection; waterproof shells using glue bonding have problems such as low production efficiency during mass production and the repaired glue easily overflows from the outer surface causing appearance defects. Summary of the invention

[0004] The utility model aims to provide a waterproof shell, which adopts ultrasonic welding and glue filling to form a rubber ring, thereby avoiding the appearance problems that may be caused by gluing and ensuring the waterproof effect.

[0005] The utility model also aims to provide a battery, the waterproof shell of which is ultrasonically welded and has a rubber ring formed by glue filling, which avoids the appearance problems that may be caused by gluing and ensures the waterproof effect.

[0006] To achieve the above-mentioned purpose, the utility model provides a waterproof shell, including: a bottom shell, a face shell, and a rubber ring; the bottom shell includes a bottom plate, and a frame extending vertically from the bottom plate, and the inner side of the frame end face away from the bottom plate is provided with a recess, thereby forming a docking surface; the frame end face is inclined relative to the bottom plate, and is inclined downward toward the center of the bottom plate; the face shell includes a panel and a side panel extending vertically from the panel; the side panel is arranged corresponding to the frame, and is fixedly connected to the frame by ultrasonic welding, and a glue pouring groove is provided on the outer side of the connection between the side panel and the frame, and the rubber ring is made by pouring glue in the glue pouring groove.

[0007] The butt joint surface is L-shaped, and an ultrasonic protrusion and a notch are provided on the end surface of the side plate away from the panel.

[0008] The ultrasonic protrusion extends into the recess and is connected to the butt joint surface by ultrasonic welding.

[0009] The notch and the frame end face together form a glue pouring groove with an opening on one side. The cross section of the glue pouring groove is trapezoidal, the opening is located at the upper bottom of the trapezoid, and the glue pouring groove is in the shape of a dovetail groove.

[0010] The trapezoidal height of the glue pouring groove is ≥0.4mm.

[0011] The opening width corresponding to the trapezoidal upper bottom of the glue-filling groove is 0.5-0.8 mm, and the length of the lower bottom is 0.9-1.5 mm.

[0012] The opening width corresponding to the trapezoidal upper bottom of the glue-filling groove is 0.65 mm, and the length of the lower bottom is 1.0 mm.

[0013] The material of the rubber ring is epoxy resin.

[0014] The bottom shell and the surface shell are respectively made by integral molding.

[0015] The utility model also provides a battery, comprising the aforementioned waterproof shell.

[0016] Beneficial effects of the utility model: The utility model provides a waterproof shell, which adopts ultrasonic welding and glue filling to form a rubber ring, which not only avoids the appearance problems that may be caused by glue bonding, but also ensures the waterproof effect. The utility model also provides a battery, whose waterproof shell adopts ultrasonic welding and glue filling to form a rubber ring, which not only avoids the appearance problems that may be caused by glue bonding, but also ensures the waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only provided for reference and explanation and are not intended to limit the present invention.

[0018] Figure 1 An exploded view of a waterproof housing according to an embodiment of the present utility model;

[0019] Figure 2 To correspond to Figure 1 A front view of the waterproof housing;

[0020] Figure 3 To correspond to Figure 2 AA section view in;

[0021] Figure 4 To correspond to Figure 3 A local enlarged view of point B;

[0022] Figure 5To correspond to Figure 1 A three-dimensional picture of the waterproof shell after glue filling. DETAILED DESCRIPTION

[0023] In order to further illustrate the technical means and effects adopted by the present invention, the preferred embodiments of the present invention and the accompanying drawings are described in detail below.

[0024] See also Figures 1 to 5 , showing a waterproof shell of a preferred embodiment of the utility model, comprising: a bottom shell 1, a face shell 2, and a rubber ring 3; the bottom shell 1 comprises a bottom plate 11, and a frame 12 extending vertically from the bottom plate 11, and the frame end face 120 of the frame 12 away from the bottom plate 11 is provided with a recess 122 on the inner side, thereby forming a docking surface 124; the frame end face 120 is inclined relative to the bottom plate 11, and is inclined downward toward the center of the bottom plate 11; the face shell 2 comprises a panel 21 and a side plate 22 extending vertically from the panel 21; the side plate 22 is arranged corresponding to the frame 12, and is fixedly connected to the frame 12 by ultrasonic welding, and a glue pouring groove 4 is provided on the outer side of the connection between the side plate 22 and the frame 12, and the glue pouring groove 4 is filled and formed by glue.

[0025] The waterproof shell of the utility model has a simple structure, adopts ultrasonic welding and forms a rubber ring by glue filling, which not only avoids the appearance problems that may be caused by gluing, but also ensures the waterproof effect.

[0026] Specifically, the butt joint surface 124 is L-shaped, and an ultrasonic protrusion 210 and a notch 212 are provided on the end surface of the side plate 22 away from the panel 21 .

[0027] Specifically, the ultrasonic protrusion 210 extends into the recess 122 and is connected to the butt joint surface 124 by ultrasonic welding.

[0028] In a preferred embodiment of the present invention, the notch 212 and the frame end surface 120 together form a glue pouring groove 4 with an opening on one side. Preferably, the cross section of the glue pouring groove 4 is trapezoidal, the opening is located at the upper bottom of the trapezoid, and the glue pouring groove 4 is dovetail-shaped. The structure of the glue pouring groove facilitates the implementation of glue pouring and greatly enhances the bonding performance of the rubber ring with the housing after curing.

[0029] The waterproof structure of the utility model can obtain a suitable rubber ring size by adjusting the size of the glue filling groove, thereby ensuring the sealing and waterproofing effects of the rubber ring.

[0030] The rubber ring 3 fills the glue pouring groove 4. The trapezoidal height of the glue pouring groove 4 is ≥0.4 mm; the opening width corresponding to the upper bottom of the trapezoid of the glue pouring groove 4 is 0.5-0.8 mm, and the length of the lower bottom is 0.9-1.5 mm.

[0031] Preferably, the opening width corresponding to the trapezoidal upper bottom of the glue-filling groove 4 is 0.65 mm, and the length of the lower bottom is 1.0 mm.

[0032] Furthermore, the material of the rubber ring 3 is waterproof resin, preferably epoxy resin.

[0033] Preferably, the bottom shell 1 and the surface shell 2 are respectively made by integral molding.

[0034] Preferably, the bottom shell 1 and the top shell 2 are made of the same plastic.

[0035] For reference, the production steps of the waterproof housing of a preferred embodiment of the utility model are as follows:

[0036] S1: Providing a bottom shell 1 and a surface shell 2, and performing ultrasonic welding;

[0037] S2: The ultrasonically welded semi-finished product is placed in a mold; an injection molding machine injects epoxy resin into the glue pouring groove 4 through the mold, and the injection molding temperature is about 200°C;

[0038] S3: Let the epoxy resin stand for 5 to 10 seconds to solidify and then take out the product; Figure 5 The waterproof housing after glue filling prepared in step S3 is shown;

[0039] S4: removing the residual water inlet 31 of the glue injection to obtain the waterproof housing of the utility model.

[0040] The waterproof housing of the utility model forms glue pouring grooves around the bottom shell and the surface shell, and glue is poured into the glue pouring grooves, thereby avoiding appearance problems that may be caused by gluing, and ensuring the waterproof effect of the product.

[0041] In a preferred embodiment of the present invention, the cross-section of the glue pouring groove 4 is trapezoidal, and the opening is located at the upper bottom of the trapezoid. The structure of the glue pouring groove facilitates the implementation of glue pouring and greatly enhances the bonding performance between the rubber ring and the shell after curing.

[0042] The utility model also provides a battery, the battery comprising a waterproof shell and a battery body built in the waterproof shell, the waterproof shell is as follows Figures 1 to 5As shown, it includes: a bottom shell 1, a front shell 2, and a rubber ring 3; a receiving cavity for accommodating the battery body is formed between the bottom shell 1 and the front shell 2; the bottom shell 1 includes a bottom plate 11, and a frame 12 extending vertically from the bottom plate 11, and the frame 12 is provided with a recess 122 on the inner side of a frame end face 120 away from the bottom plate 11, thereby forming a docking surface 124; the frame end face 120 is inclined relative to the bottom plate 11, and is inclined downward toward the center of the bottom plate 11; the front shell 2 includes a panel 21 and a side panel 22 extending vertically from the panel 21; the side panel 22 is arranged corresponding to the frame 12, and is fixedly connected to the frame 12 by ultrasonic welding, and a glue pouring groove 4 is provided on the outer side of the connection between the side panel 22 and the frame 12, and the glue pouring groove 4 is filled and formed with the rubber ring 3 by glue pouring.

[0043] The waterproof shell of the battery of the utility model is ultrasonically welded and the rubber ring is formed by glue filling, which not only avoids the appearance problems that may be caused by gluing, but also ensures the waterproof effect.

[0044] The battery body can adopt the existing technical solution, usually including a power supply module, an output terminal, and a connection component; the power supply module and the connection component are both located inside the waterproof housing; the waterproof housing is also provided with an opening for accommodating the output terminal, the output terminal is electrically connected to the power supply module through the connection component, and extends out of the opening to receive the load to be powered. The power supply module includes a battery pack and a protection board.

[0045] In summary, the utility model provides a waterproof shell, which adopts ultrasonic welding and glue pouring to form a rubber ring, which not only avoids the appearance problems that may be caused by glue bonding, but also ensures the waterproof effect; the waterproof shell is simple, practical, and has a good application prospect. The utility model also provides a battery, whose waterproof shell adopts ultrasonic welding and glue pouring to form a rubber ring, which not only avoids the appearance problems that may be caused by glue bonding, but also ensures the waterproof effect.

[0046] As described above, for ordinary technicians in this field, various other corresponding changes and modifications can be made according to the technical scheme and technical concept of the utility model, and all these changes and modifications should fall within the protection scope of the claims of the utility model.

Claims

1. A waterproof housing, characterized in that: include: A bottom shell (1), a front shell (2), and a rubber ring (3); the bottom shell (1) comprises a bottom plate (11), and a frame (12) extending vertically from the bottom plate (11); a frame end surface (120) of the frame (12) away from the bottom plate (11) is provided with a recess (122) on the inner side, thereby forming a butt joint surface (124); the frame end surface (120) is arranged obliquely relative to the bottom plate (11), and is inclined downward toward the center of the bottom plate (11); the front shell (2) comprises a panel (21) and a side plate (22) extending vertically from the panel (21); the side plate (22) is arranged corresponding to the frame (12), and is fixedly connected to the frame (12) by ultrasonic welding, and a glue injection groove (4) is provided on the outer side of the connection between the side plate (22) and the frame (12), and the rubber ring (3) is made by injecting glue into the glue injection groove (4).

2. The waterproof housing according to claim 1, characterized in that: The butt joint surface (124) is L-shaped, and an ultrasonic protrusion (210) and a notch (212) are provided on the side plate end surface of the side plate (22) away from the panel (21).

3. The waterproof housing according to claim 2, characterized in that: The ultrasonic protrusion (210) extends into the recess (122) and is connected to the butt joint surface (124) by ultrasonic welding.

4. The waterproof housing according to claim 2, characterized in that: The notch (212) and the frame end surface (120) together form a glue pouring groove (4) with an opening on one side. The cross section of the glue pouring groove (4) is trapezoidal, and the opening is located at the upper bottom of the trapezoid. The glue pouring groove (4) is in the shape of a dovetail groove.

5. The waterproof housing according to claim 4, characterized in that: The trapezoidal height of the glue pouring groove (4) is ≥0.4 mm.

6. The waterproof housing according to claim 4, characterized in that: The opening width corresponding to the trapezoidal upper bottom of the glue-pouring groove (4) is 0.5-0.8 mm, and the length of the lower bottom is 0.9-1.5 mm.

7. The waterproof housing according to claim 6, characterized in that: The opening width corresponding to the trapezoidal upper bottom of the glue-filling groove (4) is 0.65 mm, and the length of the lower bottom is 1.0 mm.

8. The waterproof housing according to claim 1, wherein: The material of the rubber ring (3) is epoxy resin.

9. The waterproof housing according to claim 1, wherein: The bottom shell (1) and the surface shell (2) are respectively made by integral molding.

10. A battery, characterized in that: Comprising the waterproof shell as described in any one of claims 1-9.