CN110504400B

CN110504400B - Battery fixing structure

Info

Publication number: CN110504400B
Application number: CN201910920197.3A
Authority: CN
Inventors: 吴益华
Original assignee: Wingtech Communication Co Ltd
Current assignee: Wingtech Communication Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2023-04-07
Anticipated expiration: 2039-09-26
Also published as: CN110504400A

Abstract

The invention discloses a battery fixing structure, which comprises a shell and a battery connected with one side of the shell, wherein a film adhered to the shell is adhered to the surface of the battery, and the battery is detached from the shell by peeling and pulling partial area of the film. The invention has the beneficial effects that: the battery fixed on the shell is disassembled by peeling and pulling the film, so that the disassembling process is simple and convenient, the cost is reduced, and the disassembling efficiency is improved.

Description

Battery fixing structure

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of batteries, in particular to a battery fixing structure.

[ background of the invention ]

Along with the development and technological progress of the society, the functions of computer intelligent terminals such as mobile phones and tablets are also more powerful, so that the power consumption of the intelligent terminal is also more and more large, the capacity requirement of a corresponding battery is also more and more high, the lithium ion battery has the characteristics of large capacity and quick charging at present and is widely applied to intelligent terminal equipment, and a square soft package lithium ion battery is usually adopted for the convenience of battery installation. However, in the prior art, the battery on the intelligent terminal device is usually installed by bonding, and in order to strengthen the fixing firmness of the battery, the double-sided adhesive tape with strong adhesiveness is usually used for bonding, so that the battery is difficult to detach and needs a corresponding tool when being replaced, and the efficiency is low.

In view of the above, it is desirable to provide a battery fixing structure to overcome the above-mentioned drawbacks.

[ summary of the invention ]

The invention aims to provide a battery fixing structure, which aims to improve the detachability of a battery effectively while facilitating the assembly.

In order to achieve the above object, the present invention provides a battery fixing structure including a case and a battery connected to one side of the case, wherein a film adhered to the case is attached to a surface of the battery, and the battery is detached from the case by peeling and pulling a partial region of the film.

In a preferred embodiment, the film is attached to the surface of the battery through a first adhesive layer, a second adhesive layer is arranged on one side of the casing close to the battery, the second adhesive layer is adhered to the film, and the adhesive force of the first adhesive layer is larger than that of the second adhesive layer.

In a preferred embodiment, the housing includes a bottom wall and a plurality of side walls extending from an edge of the bottom wall to the same side, the bottom wall and the side walls enclose a receiving slot for receiving the battery, the second adhesive layer is disposed at the bottom of the receiving slot, and the first adhesive layer is coated on a side of the film close to the battery.

In a preferred embodiment, the film is attached to the surface of the cell in a half-wrapped state such that the two ends do not coincide.

In a preferred embodiment, the first adhesive layer completely covers one side of the film close to the battery, two ends of the film are attached to one side of the battery away from the shell, and the middle of one side of the film away from the battery is adhered to the shell through the second adhesive layer.

In a preferred embodiment, the first adhesive layer includes a first adhesive region and a second adhesive region, the second adhesive layer includes a plurality of third adhesive regions arranged at intervals, the viscosity of the first adhesive region is smaller than that of the third adhesive region, and the viscosity of the third adhesive region is smaller than that of the second adhesive region.

In a preferred embodiment, the film includes a main body portion and a tearing portion extending from an end edge of the main body portion, a portion of the first bonding region is disposed on a side of the main body portion close to the battery, and the second bonding region and another portion of the first bonding region are disposed on a side of the tearing portion close to the battery.

In a preferred embodiment, one end of the film is provided with a pair of half-broken lines arranged in parallel and dividing the film into the main body part and the tearing part.

In a preferred embodiment, the tearing portion includes a pair of short sides extending from the main body portion and a pair of long sides half-disconnected from the main body portion, and the second adhesion region is adjacent to the short sides of the tearing portion connected to the main body portion.

In a preferred embodiment, the side of the body facing away from the battery is connected to the second adhesive layer.

According to the battery fixing structure provided by the invention, the film is firstly attached to the battery through the first adhesive layer with strong adhesive force, and then the film is adhered to the shell through the second adhesive layer with weak adhesive force, so that the battery fixed on the shell can be detached by peeling and pulling the film, the detachment process is simple and convenient, the cost is favorably reduced, and the detachment efficiency is improved.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a battery fixing structure provided by the present invention.

Fig. 2 is a perspective view of the housing shown in fig. 1.

Fig. 3 is a perspective view of the film of fig. 1 after it is laid flat.

Fig. 4 is a perspective view of the battery shown in fig. 1 bonded to a film in a flat state.

Fig. 5 is a perspective view of the battery shown in fig. 1 after the bonding of the film is completed.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1 to 3, the present invention provides a battery fixing structure 100, which is mainly used to solve the problem that the battery 20 is difficult to be disassembled and replaced after being fixed.

In the embodiment of the present invention, the battery fixing structure 100 includes a case 10 and a battery 20 connected to one side of the case 10, a film 30 adhered to the case 10 is attached to a surface of the battery 20, and the battery 20 is detached from the case 10 by peeling and pulling a partial region of the film 30.

Specifically, the film 30 is attached to the surface of the battery 20 through the first adhesive layer 31, the second adhesive layer 32 adhered to the film 30 is arranged on one side of the casing 10 close to the battery 20, and the adhesive force of the first adhesive layer 31 is greater than that of the second adhesive layer 32, so that when the part of the peeled-off area of the film 30 is pulled, the film 30 can be separated from the second adhesive layer 32 firstly, the purpose of detaching the battery 20 is achieved, the assembling and detaching speed can be improved, and the production cost is reduced. Meanwhile, the battery 20 is detached through the film 30, so that damage to the battery 20 can be reduced, potential safety hazards of heating and even fire of the battery 20 due to damage are eliminated, and the battery 20 is convenient to recycle.

In the present embodiment, the battery 20 is a soft-package square lithium ion battery, the casing 10 includes a square bottom wall 101 and a plurality of side walls 102 extending from edges of the bottom wall 101 to the same side, and the bottom wall 101 and the plurality of side walls 102 enclose a receiving slot 103 for receiving the battery 20, the second adhesive layer 32 is disposed at a bottom of the receiving slot 103, the film 30 is made of PET (Polyethylene terephthalate), and the first adhesive layer 31 is coated on a side of the film 30 close to the battery 20 to attach the film 30 to an outer surface of the battery 20.

Further, in one embodiment, the film 30 is attached to the surface of the battery 20 in a half-enclosed state, and the two ends of the film 30 are not overlapped, so that the film 30 can be easily peeled from the surface of the battery 20, that is, the film 30 can be peeled from the battery 20 from any end of the film 30, and meanwhile, the usage amount of the film 30 can be reduced, and the production cost can be reduced.

Preferably, the first adhesive layer 31 completely covers one side of the film 30 close to the battery 20, so that the film 30 can be completely attached to the surface of the battery 20, the two ends of the film 30 are both attached to one side of the battery 20 away from the casing 10, the middle part of one side of the film 30 away from the battery 20 is adhered to the casing 10 through the second adhesive layer 32, so that the adhesive area of the first adhesive layer 31 is larger than that of the second adhesive layer 32, the adhesive force between the film 30 and the battery 20 can be increased, and the battery 20 can be conveniently detached by pulling the film 30.

Further, in an embodiment, the first adhesive layer 31 includes a first adhesive region 311 and a second adhesive region 312, the second adhesive layer 32 includes a plurality of spaced third adhesive regions 321, the viscosity of the first adhesive region 311 is less than that of the third adhesive region 321, the viscosity of the third adhesive region 321 is less than that of the second adhesive region 312, that is, it is sufficient to ensure that the overall adhesive force of the first adhesive layer 31 is greater than that of the second adhesive layer 32, and the viscosity of the first adhesive region 311 is the minimum so that the portion of the film 30 where the first adhesive region 311 is provided can be easily peeled off, it can be understood that the film 30 is peeled off from the portion where the first adhesive region 311 is provided, and then the battery 20 is detached by pulling the portion where the film 30 is peeled off.

In this embodiment, the first adhesive region 311 and the third adhesive region 321 are made of a weak adhesive and the second adhesive region 312 is made of a strong adhesive, so that the region of the film 30 provided with the second adhesive region 312 can be a force-bearing region for pulling the film 30 away from the second adhesive layer 32 to ensure that the film 30 can detach the battery 20 from the housing 10.

Further, in one embodiment, the film 30 includes a main body 301 and a tearing portion 302 extending from one end edge of the main body 301, a portion of the first bonding region 311 is disposed on one side of the main body 301 close to the battery 20, and the second bonding region 312 and another portion of the first bonding region 311 are disposed on one side of the tearing portion 302 close to the battery 20, it can be understood that the second bonding region 312 is disposed on the tearing portion 302, so that the tearing portion 302 is a pulling portion of the film 30 for detaching the battery 20, and thus the tearing portion 302 can serve as an indicator for guiding an associated person to detach the film. In addition, the side of the main body 301 away from the battery 20 is connected to the second adhesive layer 32, so that the third adhesive region 321 does not overlap with the second adhesive region 312, and the third adhesive region 321 has a viscosity smaller than that of the second adhesive region 312, thereby preventing the second adhesive region 312 from affecting the adhesive effect of the third adhesive region 321.

In the present embodiment, the tearing portion 302 is a rectangular film 30 combined with the main body 301 to form a rectangle, and the tearing portion 302 is disposed at one end of the film 30 for facilitating the detachment of the battery 20, specifically, one end of the film 30 is opened with a pair of half-broken lines 303 disposed in parallel and divides the film 30 into the main body 301 and the tearing portion 302, so that the tearing portion 302 includes a pair of short sides 3021 formed by extending from the main body 301 and a pair of long sides 3022 half-connected to the main body 301, and the second bonding region 312 is closer to the short sides 3021 of the tearing portion 302 connected to the main body 301.

Referring to fig. 4 and 5, when assembling, the battery fixing structure 100 according to the present invention first lays the film 30 on the worktable, faces the first adhesive layer 31 upward, presses the battery 20 on the middle portion of the film 30, so as to adhere the film 30 to one side of the battery 20, bends the two ends of the film 30 along the surface of the battery 20 and adheres to the other side of the battery 20, so as to complete the adhesion between the film 30 and the battery 20, then places the battery 20 with the film 30 attached thereon in the accommodating slot 103 of the housing 10, and places the two ends of the film 30 at the top opening of the accommodating slot 103, and then presses the battery 20, so as to adhere and fix the middle portion of the film 30 to the bottom wall 101 of the housing 10 through the second adhesive layer 32, so as to complete the fixing of the battery 20, and the assembling process is simple and convenient, and can shorten the assembling time and improve the assembling efficiency.

When the battery fixing structure 100 provided by the invention is disassembled, firstly, the main body part 301 areas on two sides of the tearing hand part 302 in the film 30 are torn, namely, the tearing hand part 302 is separated from the half broken line 303, then, one end of the tearing hand part 302 far away from the second bonding area 312 is torn, then, the tearing hand part 302 is grabbed and the film 30 is pulled towards the direction far away from the battery 20, so that the battery 20 can be torn away from the shell 10, and the purpose of disassembling the battery 20 is achieved.

In summary, in the battery fixing structure 100 provided by the present invention, the film 30 is firstly attached to the battery 20 by the first adhesive layer 31 with strong adhesive force, and then the film 30 is adhered to the housing 10 by the second adhesive layer 32 with weak adhesive force, so that the battery 20 fixed on the housing 10 can be detached by peeling and pulling the film 30, which not only is simple and convenient in detachment process, but also is beneficial to reducing cost, thereby improving detachment efficiency.

The invention is not limited solely to that described in the specification and embodiments, and additional advantages and modifications will readily occur to those skilled in the art, so that the invention is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. A battery fixing structure comprising a case and a battery attached to one side of the case, wherein a film adhered to the case is attached to a surface of the battery, the battery is detached from the case by peeling and pulling a partial region of the film, the film is attached to the surface of the battery through a first adhesive layer, a second adhesive layer adhered to the film is provided on one side of the case adjacent to the battery, and an adhesive force of the first adhesive layer is larger than an adhesive force of the second adhesive layer; the first bonding layer comprises a first bonding area and a second bonding area, the second bonding layer comprises a plurality of third bonding areas arranged at intervals, the viscosity of the first bonding area is smaller than that of the third bonding area, and the viscosity of the third bonding area is smaller than that of the second bonding area; the film includes the main part and extends the tearing hand portion that forms from the one end edge of main part, and the first bonding region of partly sets up the main part is close to one side of battery, the second bonding region sets up with the first bonding region of other part tearing the hand portion is close to one side of battery.

2. The battery fixing structure according to claim 1, wherein the housing includes a bottom wall and a plurality of side walls extending from an edge of the bottom wall to the same side, the bottom wall and the side walls define a receiving groove for receiving the battery, the second adhesive layer is disposed at a bottom of the receiving groove, and the first adhesive layer is coated on a side of the film close to the battery.

3. The battery fixing structure according to claim 1, wherein the film is attached to the surface of the battery in a half-enclosed state such that both ends do not coincide.

4. The battery fixing structure according to claim 3, wherein the first adhesive layer completely covers a side of the film close to the battery, both ends of the film are attached to a side of the battery facing away from the case, and a middle portion of the side of the film facing away from the battery is adhered to the case through the second adhesive layer.

5. The battery fixing structure according to claim 1, wherein one end of the film is provided with a pair of half-broken lines arranged in parallel and dividing the film into the main body portion and the tearing portion.

6. The battery fixing structure according to claim 5, wherein the tearing portion includes a pair of short sides extending from the main body portion and a pair of long sides half-connected to the main body portion, and the second adhesive region is located near the short sides of the tearing portion connected to the main body portion.

7. The battery fixing structure according to claim 1, wherein a side of the main body portion facing away from the battery is connected to the second adhesive layer.