Shell for battery device, battery device and electric equipment
By providing a water retaining portion and a sealing ring on the upper cover of the battery pack shell, the problem of sealing failure under the impact of high-speed water flow is solved, and the sealing and safety of the battery pack are improved.
Patent Information
- Application Number
- CN202420669429.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-03-29
AI Technical Summary
When the battery pack shell is impacted by high-speed water flow in the direction of the front of the vehicle, the adhesive on the back becomes unreliable, resulting in seal failure and water ingress, causing safety problems.
A shell structure is designed, including a tray and an upper cover. The tray and the upper cover enclose a receiving cavity. A water retaining portion is provided on the side of the upper cover, which is combined with fasteners and a sealing ring to enhance the sealing effect.
Effectively blocks the gap between the tray and the upper cover, enhances sealing performance, prevents water ingress, and ensures the safety of the battery pack.
Smart Images

Figure CN223321375U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of batteries, and more specifically, to a shell for a battery device, a battery device and an electrical device. Background Art
[0002] In the prior art, when the battery pack shell is impacted by high-speed water flow in the direction of the vehicle front, the adhesive on the shell becomes unreliable and the seal is easily failed, causing water to enter the battery pack, which in turn causes safety problems. Utility Model Content
[0003] The technical problem to be solved by the present invention is that when the battery pack shell is impacted by high-speed water flow, the adhesive on the shell becomes unreliable and the sealing is easily failed, causing water to enter the battery pack, thereby causing safety problems.
[0004] In order to solve the above technical problems, on the one hand, a shell for a battery device is provided, characterized in that the shell includes a tray and an upper cover connected to each other, the tray and the upper cover enclose a accommodating cavity for accommodating the battery, the upper cover includes a main body, the main body cover is arranged on the tray, at least one side of the main body is provided with a water retaining portion extending along the thickness direction of the main body, and the water retaining portion blocks the gap between the main body and the tray.
[0005] As an optional technical solution of the present invention, the water retaining parts are provided on two opposite side edges of the main body.
[0006] As an optional technical solution of the present invention, the main body includes four sides connected to each other, and the water retaining part is correspondingly provided on each side.
[0007] As an optional technical solution of the present invention, the water retaining parts are connected end to end.
[0008] As an optional technical solution of the present invention, the water retaining portion and the main body are welded together, or are an integrally formed part.
[0009] As an optional technical solution of the present invention, the material of the shell is steel or titanium alloy.
[0010] As an optional technical solution of the present invention, a plurality of connection holes are provided on the edges of the main body, and the shell further includes a fastener, which is passed through the connection holes and is fastened to the tray to fasten the tray and the upper cover.
[0011] As an optional technical solution of the present invention, the shell further includes an end face sealing ring, which is arranged on the end face of the tray facing the top cover and is used to seal the gap between the body and the tray.
[0012] As an optional technical solution of the present invention, the shell further includes a side sealing ring, and the side sealing ring is arranged between the water retaining portion and the tray corresponding to the side of the body.
[0013] As an optional technical solution of the present invention, the end face sealing ring and the side sealing ring are fixedly connected or are an integrally formed part.
[0014] On the other hand, as an optional technical solution of the present invention, the present disclosure further provides a battery device, including a battery and the above-mentioned shell, the tray and the upper cover enclose forming a accommodating cavity, and the battery is arranged in the accommodating cavity.
[0015] On the other hand, as an optional technical solution of the present invention, the present disclosure further provides an electrical device including the above-mentioned battery device.
[0016] According to the beneficial effects of the present invention, a shell for a battery device is provided, characterized in that the shell includes a tray and an upper cover connected to each other, the tray and the upper cover enclose a storage cavity for accommodating batteries, the upper cover includes a body, the body cover is arranged on the tray, at least one side of the body is provided with a water retaining portion extending along the thickness direction of the body, the water retaining portion blocks the gap between the body and the tray. By providing the water retaining portion in the upper cover, the gap between the body and the tray can be effectively blocked, and then the fastener is passed through the connection hole and fastened to the tray so that the tray and the upper cover are fastened together, and at the same time cooperates with the end face sealing ring and the side sealing ring of the shell, the end face sealing ring is arranged on the end face of the tray facing the top cover, for sealing the gap between the body and the tray, and the side sealing ring is arranged between the water retaining portion and the tray corresponding to the side of the body. In summary, the sealing effect can be effectively enhanced, and the device is detachable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the specific embodiments of the present disclosure or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 It is a three-dimensional structural diagram of the utility model;
[0019] Figure 2 It is a schematic diagram of the explosion structure of the utility model.
[0020] The reference numerals in the specification are as follows:
[0021] 100. Casing; 1. Tray; 11. Tray body; 12. Opening edge; 2. Upper cover; 21. Body; 211. Connecting hole; 22. Water retaining part; 3. Fastener; 4. End face sealing ring; 5. Side sealing ring. DETAILED DESCRIPTION
[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present disclosure more clear, the technical solutions of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of them. Based on the embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present disclosure.
[0023] The following describes in detail a housing for a battery device, a battery device, and an electrical device according to the present invention.
[0024] In one embodiment of the present disclosure, Figure 1-2 A shell 100 for a battery device is characterized in that the shell 100 includes a tray 1 and an upper cover 2 that are connected to each other, the tray 1 and the upper cover 2 enclose a storage cavity for accommodating batteries, the upper cover 2 includes a main body 21, the main body 21 is covered on the tray 1, at least one side of the main body 21 is provided with a water retaining portion 22 extending along the thickness direction of the main body 21, and the water retaining portion 22 blocks the gap between the main body 21 and the tray 1. Specifically, a water retaining portion 22 can be provided on the side of the upper cover 2 on the shell 100 along the forward direction of the vehicle to block water. The tray 1 is generally a quadrilateral, that is, four sides, or it can be a plurality of other shapes, including a plurality of sides. Specifically, at least one side of the main body 21 is provided with a water retaining portion 22 extending along the thickness direction of the main body 21, or it can be inclined and can also extend perpendicular to the thickness direction of the main body 21. Specifically, the water retaining portion 22 may be in a rectangular shape, an arc shape, or an irregular shape such as a wave shape. The water retaining portion 22 blocks the gap between the main body 21 and the tray 1 .
[0025] In some embodiments, the water retaining portion 22 is provided on two opposite sides of the body 21. Specifically, the water retaining portion 22 may be provided on adjacent sides of the body 21.
[0026] In some embodiments, the body 21 includes four sides connected to each other, and each side is correspondingly provided with the water retaining portion 22.
[0027] In some embodiments, the water retaining portion 22 is connected end to end.
[0028] In some embodiments, the water retaining portion 22 and the body 21 are welded together or formed as an integral part. Specifically, the integral forming method can be integral die-casting or the like, or a corresponding strip-shaped protrusion can be reserved on the entire upper cover body 21, and the strip-shaped protrusion can be bent 90° toward the bottom surface of the body 21 using a bending machine to form the integral water retaining portion 22. This can be done by adding a sheet metal bending step after the original processing step of stamping and cutting the upper cover 2 using profiles, without increasing the manufacturing difficulty. In addition, the integral forming method can be used for production, which has better sealing effect and better fitting accuracy.
[0029] In some embodiments, the housing 100 is made of steel or titanium alloy.
[0030] In some embodiments, the body 21 is provided with a plurality of connection holes 211 around its periphery. The housing 100 further includes fasteners 3, which are inserted through the connection holes 211 and securely connected to the tray 1, thereby securing the tray 1 to the upper cover 2. Specifically, the fasteners 3 may be bolts or rivets. Specifically, the fasteners 3 pass through the connection holes 211 and connect to the connection holes 211 on the top surface of the sidewall of the tray 1. The fasteners 3 are removable, allowing the upper cover 2 to be removed for inspection.
[0031] In some embodiments, the housing 100 further includes an end face sealing ring 4 , which is disposed on the end face of the tray 1 facing the top cover and is used to seal the gap between the body 21 and the tray 1 .
[0032] In some embodiments, the housing 100 further includes a side sealing ring 5 , and the side sealing ring 5 is disposed between the water retaining portion 22 and the tray 1 corresponding to the side of the body 21 .
[0033] In some embodiments, the end face sealing ring 4 and the side sealing ring 5 are fixedly connected or are an integrally formed part.
[0034] In some embodiments, a battery device is provided, comprising a battery and the aforementioned housing 100, wherein the tray 1 and the upper cover 2 enclose a receiving cavity, and the battery is disposed in the receiving cavity. Specifically, the battery device may be a battery assembly or a battery pack.
[0035] In some embodiments, an electrical device is provided, comprising the aforementioned battery assembly. The battery assembly is disposed within the electrical device to provide power for the operation of the device. The battery assembly can be in electrical devices such as new energy vehicles and ships.
[0036] The present utility model discloses a battery technology field and provides a shell 100 for a battery device, characterized in that the shell 100 includes a tray 1 and an upper cover 2 connected to each other, the tray 1 and the upper cover 2 enclose a receiving cavity for accommodating batteries, the upper cover 2 includes a main body 21, the main body 21 is covered on the tray 1, at least one side of the main body 21 is provided with a water retaining portion 22 extending along the thickness direction of the main body 21, and the water retaining portion 22 blocks the gap between the main body 21 and the tray 1. By providing a water retaining portion 22 in the upper cover 2, the gap between the main body 21 and the tray 1 can be effectively blocked, and then the fastener 3 is passed through the connecting hole 211 and fastened to the tray 1, so that the tray 1 and the upper cover 2 are fastened together, and at the same time cooperate with the end face sealing ring 4 and the side sealing ring 5 of the outer shell 100. The end face sealing ring 4 is provided on the end face of the tray facing the top cover, and is used to seal the gap between the main body 21 and the tray 1. The side sealing ring 5 is provided between the water retaining portion 22 and the tray 1 corresponding to the side of the main body 21. In summary, the sealing effect can be effectively enhanced, and the device is detachable.
[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.
[0038] 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 the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0039] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0040] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.
[0041] In the description of this specification, the description with reference to 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 invention. In this specification, the schematic representations of the above terms do 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. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.
[0042] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A housing for a battery device, characterized in that: The shell includes a tray and an upper cover connected to each other, and the tray and the upper cover enclose a accommodating cavity for accommodating the battery. The upper cover includes a main body, and the main body cover is arranged on the tray. At least one side of the main body is provided with a water retaining portion extending along the thickness direction of the main body, and the water retaining portion blocks the gap between the main body and the tray.
2. The housing according to claim 1, wherein The water retaining parts are provided on two opposite side edges of the main body.
3. The housing according to claim 1, wherein The main body includes four sides connected to each other, and each side is correspondingly provided with the water retaining part.
4. The housing according to claim 3, wherein: The water retaining parts are connected end to end.
5. The housing according to any one of claims 1 to 4, characterized in that: The water retaining portion and the main body are welded together or are an integrally formed part.
6. The housing according to any one of claims 1 to 4, characterized in that: The material of the housing is steel or titanium alloy.
7. The housing according to any one of claims 1 to 4, characterized in that: The body is provided with a plurality of connection holes on four edges thereof. The shell further comprises a fastener which is passed through the connection holes and is fastened to the tray so that the tray and the upper cover are fastened together.
8. The housing according to any one of claims 1 to 4, characterized in that: The housing further comprises an end face sealing ring, which is arranged on the end face of the tray facing the top cover and is used to seal the gap between the body and the tray.
9. The housing according to claim 8, wherein The shell further includes a side sealing ring, and the side sealing ring is arranged between the water retaining portion and the tray corresponding to the side of the body.
10. The housing according to claim 9, wherein The end face sealing ring and the side sealing ring are fixedly connected or are an integrally formed part.
11. A battery device, characterized in that: The invention comprises a battery and a housing according to any one of claims 1 to 10, wherein the tray and the upper cover together form a receiving cavity, and the battery is arranged in the receiving cavity.
12. An electrical device, characterized in that: A battery device comprising the battery device of claim 11.