CN217823119U

CN217823119U - Waterproof structure of secondary lithium battery pack

Info

Publication number: CN217823119U
Application number: CN202221543419.8U
Authority: CN
Inventors: 蒋应乾
Original assignee: Sanyo Energy Suzhou Co Ltd
Current assignee: Panasonic New Energy (Suzhou) Co.,Ltd.
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-15
Anticipated expiration: 2032-06-20

Abstract

The utility model belongs to the technical field of secondary lithium cell group, especially, be a waterproof structure of secondary lithium cell group, including the group battery, group battery one side is provided with the side shell No. one, the group battery opposite side is provided with the side shell No. two, through selecting and using suitable waterproof dustproof material, through calculating the most reasonable waterproof structure size of design, through the style of design plastic shell and flexible glue integrated into one piece, make processing more convenient, the assembly tolerance is littleer, waterproof function is better, better waterproof dustproof function and the security of having guaranteed lithium cell group; in order to correspond to increasingly violent competition, the plastic shell and the soft rubber two-color molding waterproof design is used as a template for the development of the secondary lithium battery pack in the later period, so that the development period is shortened; in order to satisfy customer demand, lead market trend, with lithium cell group miniaturization, lightweight, the large capacity, and still through plastic shell and the double-colored shaping of flexible glue, reached better water-proof effects.

Description

Secondary lithium cell group waterproof construction

Technical Field

The utility model belongs to the technical field of secondary lithium cell group, concretely relates to secondary lithium cell group waterproof construction.

Background

With the continuous development of the field of electric power-assisted bicycles, the sales volume of the international market, especially the European market, is greatly increased in recent years, and the needs of various international old-brand enterprises and emerging enterprises in the field are also multiplied;

because the particularity of electric bicycle service environment, space size's limitation to and end user uses the vehicle, washs under the nonstandard scene of maintenance, customer and end user are more and more high to waterproof dirt-proof requirement, and also attach more importance to the security of lithium cell group.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a secondary lithium cell group waterproof construction has higher waterproof grade (IP 67), and as later stage electric bicycle lithium cell group development template, reduce development cost shortens development cycle's characteristics.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a secondary lithium cell group waterproof construction, includes the group battery, group battery one side is provided with the side shell No. one, the group battery opposite side is provided with the side shell No. two, one side that the side shell and the side shell of No. two are close to the group battery all is provided with the sealed limit, the sealed limit surface is provided with soft rubber ring, still be provided with soft adhesive tape on the soft rubber ring.

As the utility model discloses a preferred technical scheme of secondary lithium cell group waterproof construction, pass through the bolt fastening between a side shell, no. two side shells and the group battery.

As the utility model discloses a preferred technical scheme of secondary lithium cell group waterproof construction, no. one side shell, no. two side shells are connected back flexible glue circle and flexible glue strip with the group battery and all are in compression state.

As a preferred technical scheme of secondary lithium cell group waterproof construction, a side shell, no. two side shells are the plastic component.

As the utility model discloses a preferred technical scheme of secondary lithium cell group waterproof construction, no. one side shell, no. two side shells, sealed limit are different with soft rubber ring, flexible glue strip colour.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by selecting a proper waterproof and dustproof material, designing the most reasonable waterproof structure size through calculation and designing the style of integrally forming the plastic shell and the soft rubber, the processing is more convenient, the assembly tolerance is smaller, the waterproof function is better, and the waterproof and dustproof functions and the safety of the lithium battery pack are better ensured;

2. in order to correspond to increasingly violent competition, the plastic shell and the soft rubber double-color forming waterproof design is used as a template for the development of the secondary lithium battery pack in the later period, so that the development period is shortened;

3. in order to satisfy customer demand, lead market trend, with lithium cell group miniaturization, lightweight, the large capacity, and still through plastic shell and the double-colored shaping of flexible glue, reached better water-proof effects.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a partially exploded structure of a main view of the present invention;

FIG. 2 is a schematic view of the structure of the main perspective of the present invention;

FIG. 3 is a schematic structural view of a front view partial section of the present invention;

FIG. 4 is a partially enlarged schematic structural view of the part A of the present invention;

in the figure: 1. a battery pack; 2. a first side housing; 3. a second side housing; 4. sealing the edges; 5. a soft rubber ring; 6. a soft rubber strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a secondary lithium cell group waterproof construction, including

group battery

1, 1 one side of group battery is provided with side shell 2 No. one, 1 opposite side of group battery is provided with side shell 3 No. two, one side that side shell 2 and side shell 3 No. two are close to group battery 1 all is provided with sealed

border

4, 4 surfaces on sealed border are provided with soft rubber circle 5, still be provided with soft adhesive tape 6 on the soft rubber circle 5, in this embodiment with lithium cell group miniaturization, the lightweight, the large capacity, and still through plastic shell and the double-colored shaping of soft rubber, better water-proof effects has been reached.

Specifically, the first side housing 2, the second side housing 3 and the battery pack 1 are fixed by bolts.

Specifically, flexible glue circle 5 and flexible glue strip 6 all are in compression state after a side shell 2, no. two side shells 3 are connected with group battery 1, and extruded flexible glue circle 5 and flexible glue strip 6 have effectually promoted the leakproofness in this embodiment.

Specifically, a side shell 2, no. two side shells 3 are the plastic component, and the plastic component has reduced the whole weight of group battery 1 in this embodiment, and is lighter.

Specifically, side shell 2, no. two side shell 3, seal edge 4 are different with

soft rubber RING

5, 6 colours of flexible glue strip, and integrated into one piece's bicolor structure replaces the design of traditional plastic shell + silica gel (or O-RING) in this embodiment, has higher waterproof grade, product quality management and control, advantages such as size precision is good.

The utility model discloses a theory of operation and use flow: with side shell 2, no. two side shells 3 respectively with sealed limit 4, flexible glue circle 5 and the integrative injection moulding of soft adhesive tape 6, close side shell 2 and No. two side shell 3 covers at the both ends of group battery 1, then through side shell 2, no. two side shells 3 and group battery 1 go up the complex screw hole fix can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a secondary lithium cell group waterproof construction which characterized in that: including group battery (1), group battery (1) one side is provided with side shell (2) No. one, group battery (1) opposite side is provided with side shell (3) No. two, one side that side shell (2) and side shell (3) No. two are close to group battery (1) all is provided with sealed limit (4), sealed limit (4) surface is provided with soft rubber ring (5), still be provided with soft adhesive tape (6) on soft rubber ring (5).

2. The secondary lithium battery pack waterproof structure according to claim 1, wherein: the first side shell (2), the second side shell (3) and the battery pack (1) are fixed through bolts.

3. The secondary lithium battery pack waterproof structure according to claim 2, wherein: the first side shell (2), the second side shell (3) and the battery pack (1) are connected, and then the soft rubber ring (5) and the soft rubber strip (6) are in a pressed state.

4. The secondary lithium battery pack waterproof structure according to claim 1, wherein: the first side shell (2) and the second side shell (3) are plastic components.

5. The secondary lithium battery pack waterproof structure according to claim 4, wherein: the first side shell (2), the second side shell (3) and the sealing edge (4) are different from the soft rubber ring (5) and the soft rubber strip (6) in color.