CN210325865U

CN210325865U - Battery protection film

Info

Publication number: CN210325865U
Application number: CN201920973066.7U
Authority: CN
Inventors: 姚建业; 马灯凯; 何文博; 孙安兰; 许永东; 刘金波
Original assignee: Huizhou Desay Battery Co Ltd
Current assignee: Huizhou Desay Battery Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-04-14
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to the technical field of protective films, in particular to a battery protective film, which comprises a protective film body, wherein the protective film body is applied to a battery, the battery is provided with a FPC (flexible printed circuit), the appearance of the protective film body is matched with the appearance of the battery, and one end of the protective film body corresponding to the FPC is provided with a through hole; the protection film body includes front and gum face, be equipped with attached district on the gum face and the gluey district of nothing of being connected with attached district, the utility model discloses can protect the difficult quilt in battery surface to be punctured, and the design of through-hole can release FPC stress and make protection body and battery entity effectively attached, reduce FPC stress, prevent that protection film body from being taken up, can also fix FPC's size position simultaneously, ensure the controllability and the stability of course of working.

Description

Battery protection film

Technical Field

The utility model relates to a protection film technical field especially relates to a battery protection film, including the protection film body.

Background

The battery packaging is that the battery core, the protection circuit and other adhesive paper auxiliary materials are organically combined together, and the protection can be started under the abnormal conditions of overcharge, overdischarge or overcurrent and the like, so that the use safety is ensured.

The battery protection film has the characteristics of scratch resistance and wear resistance, can play a role in preventing the electric core from being scratched or punctured, can realize the position and size adjustment of the FPC, and ensures that the FPC cannot be crushed in the carrying and mobile phone assembling processes, thereby ensuring the use stability and safety.

Although the battery protective film on the market at present can ensure that the battery is not easy to puncture, the protective film is easy to float due to overlarge stress of the FPC, and the controllability and the stability in the processing process cannot be met.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a battery protection film can protect the difficult quilt in battery surface to be punctured, and the design of through-hole can release FPC stress and make protection film and battery entity effectively attached, reduces FPC stress, prevents that the protection film from being taken up, can also fix FPC's dimensional position simultaneously, ensures the controllability and the stability of course of working.

In order to solve the technical problem, the utility model provides a concrete scheme as follows:

a battery protective film comprises a protective film body, wherein the protective film body is applied to a battery, the battery is provided with an FPC (flexible printed circuit), the shape of the protective film body is matched with the shape of the battery, and one end, corresponding to the FPC, of the protective film body is provided with a through hole;

the protective film body comprises a front surface and a back adhesive surface, wherein the back adhesive surface is provided with an attaching area and a non-adhesive area connected with the attaching area.

Optionally, the protection film body is provided with a handle position, so that the protection film body can be conveniently torn from the attached paper and attached to the surface of the battery, and meanwhile, the protection film body can be conveniently torn from the surface of the battery.

Optionally, the handle position is provided with a color label, so that the function of highlighting is achieved, and the convenience of operation is improved.

Optionally, the battery is a rectangular body, the protection film body is rectangular, the through hole is a rectangular through hole, and the protection film body is mainly applied to a mobile phone battery, so that the protection film body is designed to be in accordance with the shape of the battery, the battery is prevented from being scratched or punctured, and the FPC is prevented from being crushed in the carrying and mobile phone assembling processes.

Optionally, the distance between the side edge of the first through hole close to one end of the FPC and the side edge of the first protection film close to one end of the PFC on the protection film body is 5.0 +/-0.2 mm, FPC stress can be well released by setting the distance, the protection film body is effectively attached to the battery entity, the size and the position of the FPC can be fixed, and controllability and stability of the processing process are guaranteed.

Optionally, the through hole further comprises a second through hole side edge and a third through hole side edge which are perpendicular to the first through hole side edge, the protective film body further comprises a second protective film side edge and a third protective film side edge which are perpendicular to the first protective film side edge, the distance between the second through hole side edge and the second protective film side edge is 5.0 +/-0.2 mm, the distance between the third through hole side edge and the third protective film side edge is 5.0 +/-0.2 mm, the distance is set so that the portion, close to the second through hole side edge and the third through hole side edge, on the back adhesive surface of the protective film body is effectively attached to the battery entity, and controllability and stability of a machining process are guaranteed.

Optionally, the lengths of the second through hole side and the third through hole side are 1.8 ± 0.2mm, and the length setting can release the FPC stress well on one hand, and on the other hand, the protection of the battery cannot be affected due to the fact that the through holes are formed too much.

Optionally, the no glue district is the rectangle form, all spouts usually to be printed with identification code or the relevant information of mobile phone batteries on the mobile phone batteries, if will attach the district attached on this information, when tearing the protection film body, cause the influence to the information part easily, consequently, the no glue district mainly corresponds attached on mobile phone batteries information, and the no glue district of rectangle form can make the processing of protection film body more convenient.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses can protect the difficult quilt in battery surface to be punctured, and the design of through-hole can release FPC stress and make protection film body and battery entity effectively attached, reduces FPC stress, prevents that protection film body from being taken up, can also fix FPC's dimensional position simultaneously, ensures the controllability and the stability of course of working.

Drawings

Fig. 1 is a schematic structural diagram of a protective film body provided in an embodiment of the present invention.

Fig. 2 is a schematic view of a battery structure without a protective film body according to an embodiment of the present invention.

Fig. 3 and 4 are schematic diagrams illustrating the protective film body attached to the battery according to an embodiment of the present invention.

Wherein, 1 is a protective film body; 11 is a through hole; 13 is a back adhesive surface; 131 is an attaching area; 132 is a glue-free zone; 14 is a handle position; 2 is a battery; 21 is FPC.

Detailed Description

In order to explain the technical solution of the present invention in detail, the following will combine the drawings of the embodiments of the present invention to perform clear and complete description on the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, 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 invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

For example, a battery protection film comprises a protection film body, wherein the protection film body is applied to a battery, the battery is provided with an FPC, the shape of the protection film body is matched with the shape of the battery, and one end, corresponding to the FPC, of the protection film body is provided with a through hole; the protective film body comprises a front surface and a back adhesive surface, wherein the back adhesive surface is provided with an attaching area and a non-adhesive area connected with the attaching area.

The battery protection film that this embodiment provided can protect the difficult quilt in battery surface to be punctured, and the design of through-hole can release FPC stress and make protection film body and battery entity effectively attached, reduces FPC stress, prevents that protection film body from being taken up, can also fix FPC's dimensional position simultaneously, ensures the controllability and the stability of course of working.

In some embodiments, as shown in fig. 1, a battery protection film is provided, which includes a protection film body, the protection film body is applied to a battery, the battery is provided with an FPC, as shown in fig. 2, the shape of the protection film body conforms to the shape of the battery, and one end of the protection film body corresponding to the FPC is provided with a through hole; the protection film body includes front and gum face, be equipped with attached district on the gum face and the no glue district of being connected with attached district, the protection film body adopts transparent material, when attaching the protection film body on the battery, can not lead to the fact influences such as sheltering from to the information on battery surface.

Specifically, the battery is the cuboid, and the protection film body is the rectangle form, and the through-hole is the rectangle through-hole, and the protection film body that provides in this example mainly uses on the cell-phone battery, consequently, the shape design of protection film body accords with the shape of battery, plays the effect that prevents the battery and be scratched or puncture, guarantees that FPC can not be damaged by the pressure in transport and cell-phone assembling process. As shown in fig. 3 and 4, the through hole is formed in the upper end of the protective film body and mainly corresponds to the position of the FPC, so that the effect of stress release is achieved, meanwhile, the FPC can be fixed, the damage to the FPC in the carrying process or the mobile phone battery assembling process is prevented, the through hole is in a rectangular shape, and the protective film body can be conveniently manufactured and processed.

In some embodiments, the distance between the side of the first through hole close to the FPC end of the through hole and the side of the first protective film close to the PFC end of the protective film body is 5.0 ± 0.2mm, and the distance can release the FPC stress well, so that the protective film body is effectively attached to the battery entity, and the size and position of the FPC can be fixed, thereby ensuring the controllability and stability of the processing process.

Specifically, in this example, the distance between the side of the first through hole near the FPC end of the through hole and the side of the first protection film near the PFC end of the protection film body is 5.0mm, and the distance is an integer, which is more convenient for measurement.

In some examples, the through hole further comprises a second through hole side and a third through hole side perpendicular to the first through hole side, the protective film body further comprises a second protective film side and a third protective film side perpendicular to the first protective film side, the distance between the second through hole side and the second protective film side is 5.0 ± 0.2mm, the distance between the third through hole side and the third protective film side is 5.0 ± 0.2mm, and the distance is set so that the portion, close to the second through hole side and the third through hole side, on the back adhesive surface of the protective film body is effectively attached to the battery body, and controllability and stability of a processing process are ensured.

Specifically, in this example, the distance between the side of the second through hole and the side of the second protection film is 5.0mm, the distance between the side of the third through hole and the side of the third protection film is 5.0mm, and the distance is an integer, which is more convenient for measurement.

In some examples, the length of the second through hole side and the third through hole side is 1.8 ± 0.2mm, and the length setting can well release the FPC stress on the one hand and cannot influence the protection of the battery due to the overlarge opening of the through holes on the other hand.

Specifically, in this example, the length of the second through-hole side and the third through-hole side is designed to be 2mm, and the distance is an integer, which is more convenient for measurement.

In some embodiments, the non-glue area is rectangular, the mobile phone battery is usually sprayed with identification codes or mobile phone battery related information, if the mobile phone battery is attached to the information in the attaching area, when the protective film body is torn, the information part is easily affected, therefore, the non-glue area is mainly attached to the mobile phone battery information in a corresponding manner, and the rectangular non-glue area can make the processing of the protective film body more convenient.

In some embodiments, the protective film body is provided with a handle position, so that the protective film body can be conveniently torn from the attached paper and attached to the surface of the battery, and the protective film body can be conveniently torn from the surface of the battery. The handle position is provided with the color label, so that the function of highlighting is achieved, and the convenience of operation is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but the limitation of the patent scope of the present invention can not be understood thereby. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.

Claims

1. A battery protective film comprises a protective film body (1), wherein the protective film body (1) is applied to a battery (2), the battery (2) is provided with an FPC (21), the protective film is characterized in that the shape of the protective film body (1) is matched with that of the battery (2), and one end, corresponding to the FPC (21), of the protective film body (1) is provided with a through hole (11);

protection film body (1) is including front and gum face (13), be equipped with attached district (131) and no glue district (132) of being connected with attached district (131) on gum face (13).

2. The battery protective film according to claim 1, wherein a handle position (14) is provided on the protective film body (1).

3. The battery protection film according to claim 2, wherein a color label is provided on the handle position (14).

4. The battery protective film according to claim 1, wherein the battery (2) is a rectangular body, the protective film body (1) is a rectangular shape, and the through hole (11) is a rectangular through hole.

5. The battery protective film according to claim 4, wherein a distance between a first through-hole side of the through-hole (11) near one end of the FPC (21) and a first protective film side of the protective film body (1) near one end of the FPC (21) is 5.0 ± 0.2 mm.

6. The battery protection film according to claim 5, wherein the through hole (11) further comprises a second through hole side and a third through hole side perpendicular to the first through hole side, the protection film body (1) further comprises a second protection film side and a third protection film side perpendicular to the first protection film side, the distance between the second through hole side and the second protection film side is 5.0 ± 0.2mm, and the distance between the third through hole side and the third protection film side is 5.0 ± 0.2 mm.

7. The battery protective film according to claim 6, wherein the second through-hole side and the third through-hole side have a length of 1.8 ± 0.2 mm.

8. The battery protective film according to claim 1, wherein the non-adhesive region (132) has a rectangular shape.