JP6567400B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device having a battery inside a housing, and more particularly to improvement of a battery attachment structure.

  In recent years, a so-called pouch-type battery, for example, a battery made of a thin plate-like lithium ion battery has been used particularly in portable terminals such as smartphones. This pouch-type battery is thin and lightweight due to gelation of the electrolyte by the polymer. In this pouch-type battery, for example, the exterior is made of a low-strength member such as an aluminum laminate film. Such a pouch-type battery is often adhered inside the apparatus with a double-sided tape or the like.

  Then, in order to make it easy to peel off the battery to be bonded at the time of recycling, for example, when storing the battery pack in the portable terminal, as in Patent Document 1, the battery pack is packed in advance with a packaging material, and the packaging material and the battery are accommodated. It is known to affix to a part (an inner surface of a cabinet or a substrate). As a result, the battery can be securely fixed inside the housing without looseness, and when removing the battery, the packaging material can be opened and the battery can be removed, so that no load is applied to the battery and the battery is not destroyed. .

JP 2015-088449 A

  However, when the battery is wrapped in a packaging material and then fixed to the housing, a packaging material therefor is required, which increases costs and increases the thickness of the battery part by the packaging material. It is necessary to increase the thickness or reduce the battery capacity.

  The present invention has been made in view of such points, and the object of the present invention is to fix the battery without using a packaging material, without increasing the thickness of the battery part, and without applying a load to the battery. It is to be able to remove the battery.

  In order to achieve the above object, according to the present invention, the battery is detachably bonded to the battery mounting portion, and an adhesive member that can be peeled off by pulling in the extending direction is provided.

Specifically, in the present invention, an electronic device having a battery inside a housing is targeted,
The electronic device
A battery mounting portion that is provided in the housing and attaches the battery;
An adhesive member for removably attaching the battery to the battery mounting portion;
The adhesive member is
A straight section;
An extension that bends and extends from the straight portion;
A handle portion formed at the tip of the extension portion,
The adhesive member can be peeled off by pulling in the direction in which the handle portion is extended.

  According to said structure, when extending an adhesive member, since it has a housing (or component which can be attached or detached with respect to a housing | casing) and the handle part of an adhesive member, it can work safely, without applying load to battery itself. . Mainly securing adhesive strength at the straight part and pulling the handle at the tip of the extension that extends in the direction bent from the straight part, so the surrounding parts compared to the case where the handle is at the tip of the straight part Difficult to damage. Moreover, since the battery is not damaged when the battery is taken out, it is only necessary to replace the adhesive member.

  As described above, according to the present invention, since the battery can be fixed without using a packaging material by using an adhesive member that can be stretched and peeled off, a load is applied to the battery without increasing the thickness of the battery part. Can be removed without In addition, since the handle portion is provided in the extension portion that is bent from the straight portion, the component is not destroyed during peeling.

It is a disassembled perspective view which shows a mode that a rigid board | substrate is removed from a front side cabinet, is extended, and a peeling adhesive tape is pulled. It is the perspective view which looked at the smart phone concerning the embodiment of the present invention from the front side. It is the perspective view which looked at the smart phone concerning the embodiment of the present invention from the back side. It is a disassembled perspective view which shows a smart phone. It is a perspective view which shows the front side cabinet to which the battery was fixed, and its periphery. It is a front view which expands and shows a stretching peeling adhesive tape.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  2 to 4 show a smartphone 1 as an electronic apparatus according to an embodiment of the present invention. The smartphone 1 includes a display unit 2 having a cover panel 2a and a display panel 2b, and a casing that covers the display unit 2. The front side cabinet 3 is provided. In the front cabinet 3, for example, a rectangular metal plate 3a is insert-molded. The cover panel 2a may be integrated with the touch panel, or may be composed of only a glass panel or an acrylic panel. The back side of the front side cabinet 3 is covered with a back side cabinet 4. The rear cabinet 4 is covered with a rear cover 5. Between the front side cabinet 3 and the back side cabinet 4, a battery 6 made of a rectangular plate-shaped pouch-type rechargeable battery and a rectangular plate-shaped rigid substrate 7 are accommodated. The rigid substrate 7 uses a non-flexible base material and has appropriate rigidity.

  The pouch-type battery 6 of the present embodiment is made of a low-strength member such as an aluminum laminate film in which the electrolyte is gelled by, for example, a crosslinked polymer. This low strength exterior portion is affixed to the rigid substrate 7 with a stretch release adhesive tape 10 for fixing the battery 6. Specifically, a pair of stretch release adhesive tapes 10 are provided, for example, arranged at both sides in the width direction of the battery 6 and spaced from each other, and attached to the flat surface 7 a on the back surface of the rigid substrate 7. The rigid substrate 7 is a component that can be attached to and detached from the front-side cabinet 3, and the battery 6 is detachably bonded to the rigid substrate 7 with a stretch release adhesive tape 10.

  The stretch release adhesive tape 10 is a long and thin tape-like double-sided tape having a constant width, and is configured such that the adhesive strength is reduced by pulling (see, for example, Japanese Patent No. 3399951). As shown in FIG. 6, the stretch-release adhesive tape 10 includes a straight portion 10a, an extension portion 10b that bends and extends from the straight portion 10a, and a handle portion 10c formed at the tip of the extension portion 10b. ing. The stretch release adhesive tape 10 has sufficient strength in the hatched area so that the battery 6 does not easily separate from the flat surface 7a, but the handle 10c is slightly attached to the surface side of the battery 6. It is only pasted with adhesive. The stretch release adhesive tape 10 has a substantially constant band shape, and therefore is difficult to tear when stretched. This is particularly advantageous for a force that causes the battery 6 to rotate on the flat surface 7a. Further, the stretch release adhesive tape 10 has a band shape with a constant width, which is advantageous in that the load applied when pulling is made constant and shearing stress or the like is applied during stretching so that it is not broken. . The width dimension is determined by the adhesive strength of the stretch release adhesive tape 10 and the mass of the battery. For example, what is necessary is just to make it the product of the adhesive force per unit area, the area of an adhesion part, and a safety factor become larger than the gravity of a battery. Further, the width of the stretch release adhesive tape 10 may be made narrower toward the tip, and the load may be gradually reduced when it is pulled.

  Next, a procedure for removing the battery 6 of the smartphone 1 according to this embodiment will be described.

  First, as shown in FIG. 4, the rear cover 5, the back side cabinet 4, and the like are sequentially removed, and the battery 6 is exposed as shown in FIG. 5. In this state, if the handle portion 10c is forcibly pulled, the side wall 3b may be damaged, or the stretch peeling adhesive tape 10 may be cut and cannot be pulled.

  Therefore, the rigid board 7 is removed from the front cabinet 3 as shown in FIG.

  Next, the handle portion 10c of the stretch release adhesive tape 10 is pulled in the direction indicated by the two-dot chain line arrow in FIG. At this time, since the rigid substrate 7 has already been removed from the front-side cabinet 3, it is easy to stretch the peeling adhesive tape 10 in the left-right direction of the battery 6 without obstructing the side walls 3b and the bosses 3c. The battery 6 can be peeled off so as to be lifted from the flat surface 7a by pulling the handle portion 10c diagonally left and right (straight in the direction in which the tape is bent). For this reason, it is difficult to apply a load such as bending stress to the battery 6, and the tape is also difficult to cut. The rigid substrate 7 has a relatively high rigidity and can withstand the tensile force of the stretch-release adhesive tape 10. The stretch release adhesive tape 10 is stretched from the battery 6 and the rigid substrate 7 because the adhesive force gradually decreases by being pulled from the state of being in close contact with the back surface of the rigid substrate 7 and the front surface of the battery 6 at the time of use. The release adhesive tape 10 can be removed.

  As described above, in the present embodiment, when the stretch release adhesive tape 10 is stretched, the rigid substrate 7 and the handle portion 10c of the stretch release adhesive tape 10 are provided, so that the battery 6 can be safely operated without applying a load. it can. Since the battery 6 is not damaged when the battery 6 is removed, only the stretch release adhesive tape 10 needs to be replaced.

  The battery 6 has a long rectangular plate shape on one side, the straight portion 10 a is attached to the back surface of the battery 6 so as to extend in the longitudinal direction of the battery 6, and the extension portion 10 b is bent from the side surface in the width direction of the battery 6 to the front surface side of the battery 6. The handle portion 10c is exposed from the side surface in the width direction of the battery 6 to the surface side of the battery 6, so that the adhesive force can be secured by making the straight portion 10a as long as possible, and the surface from the side surface in the width direction of the battery 6 can be secured. By pulling the handle portion 10c exposed to the side, the battery 6 can be removed without interfering with the electronic components around the battery 6 and without damaging the electronic components as compared with the case of pulling in the longitudinal direction of the battery 6. Since various parts are often arranged on the upper and lower parts of the front side cabinet 3, when the stretch release adhesive tape 10 is simply applied linearly, it is pulled out when the stretch release adhesive tape 10 is peeled off. This is because there is a risk of damaging an electronic component or the like below the direction. Moreover, there is an advantage that the handle portion 10c can be easily grasped by turning the stretch release adhesive tape 10 to the surface side.

  In this embodiment, after removing the rigid board 7 from the front-side cabinet 3, when the battery 6 is removed from the rigid board 7, the handle 10 c of the stretchable peeling adhesive tape 10 is pulled so that no load is applied to the battery 6. The battery 6 is easily detached from the rigid substrate 7 without being deformed. At this time, since it is not necessary to pull the battery 6 itself, even if the battery 6 is easily deformed like a pouch-type battery, it is difficult to hurt. Moreover, since the battery 6 is affixed to the rigid board 7 attached to the front side cabinet 3 by the stretch release adhesive tape 10 at the time of use, the fixing is extremely easy and the fixing performance is easily secured.

  In the present embodiment, the adhesive member is a pair of stretch-peeling adhesive tapes 10 each having a constant width, and each of the pair of stretch-peeling adhesive tapes 10 extends in a C shape in a direction away from each other. 10c is configured to be bent from the both sides in the width direction of the battery 6 to the surface side of the battery 6, so that even if the center portion swells due to use as in the case of a lithium ion battery, the pair of stretch release adhesive tapes 10 are spaced apart. By providing a gap, it is difficult for adverse effects due to the swelling of the battery 6 to occur. Further, the stretch release adhesive tape 10 is attached in the longitudinal direction of the front side cabinet 3, but the handle 10c side of the stretch release adhesive tape 10 is turned around from the side of the battery 6 different from the attachment direction, so that The stretch release adhesive tape 10 can be peeled off without damaging the parts.

  Further, the handle portion 10c is adhered to the surface side of the battery 6 with slight adhesion, so that the handle portion 10c does not get in the way, and since it is slightly adhered, the handle portion 10c is removed when removing the battery 6. Can be easily peeled off and pulled.

  As described above, according to the present invention, by using the stretch release adhesive tape 10 that can be stretched and peeled off, the battery 6 can be fixed without using a packaging material, so that without increasing the thickness of the battery 6 portion, The battery 6 can be removed without applying a load. In addition, since the handle portion 10c is provided in a direction different from the direction in which the straight portion 10a is applied, there is no component destruction when peeling off.

(Other embodiments)
The present invention may be configured as follows with respect to the above embodiment.

  That is, in each of the above embodiments, if the battery 6 is a pouch-type battery, the battery 6 is vulnerable to deformation, so that the effects of the present invention are remarkably exhibited. However, the battery 6 is covered with a relatively rigid resin case or metal case. It may be a battery.

  In the above embodiment, the rigid substrate 7 is attached to the front cabinet 3 and then stretched and the peeling adhesive tape 10 is attached to the rigid substrate 7. However, before the rigid substrate 7 is attached to the front cabinet 3, it is stretched and peeled off. The adhesive tape 10 may be attached to the rigid substrate 7 or may be attached to the battery 6.

  The adhesive member is the stretch release adhesive tape 10 described in Japanese Patent No. 3399951, but is not limited thereto. In short, any adhesive means that can be peeled off by pulling may be used.

  In the embodiment described above, the battery 6 is attached to the rigid substrate 6 by the extended peeling adhesive tape 10, but may be attached to a component that cannot be removed from the front-side cabinet 3 such as a sheet metal 3 a.

  In the above embodiment, the electronic device is the smartphone 1, but a mobile phone, a tablet terminal, a PHS (Personal Handy-phone System), a PDA (Personal Digital Assistant), a personal computer, a mobile tool, a wearable terminal, an electronic dictionary, a calculator, It may be a game machine or the like, and may be a small liquid crystal display, a liquid crystal television, a Blu-ray disc recorder, a DVD recorder, or the like.

  In addition, the above embodiment is an essentially preferable illustration, Comprising: It does not intend restrict | limiting the range of this invention, its application thing, or a use. The technical features described in each embodiment can be combined with each other, and a new technical feature can be formed by combining them.

1 Smartphone (electronic equipment)
2 display section
2a Cover panel
2b Display panel
3 Front cabinet (housing)
3a Sheet metal
3b side wall
3c boss
4 Rear cabinet
5 Rear cover
6 batteries
7 Rigid board (battery mounting part)
7a Flat surface
10 Stretch release adhesive tape (adhesive member)
10a Straight part
10b Extension
10c handle part

Claims (4)

In an electronic device having a battery inside the housing,
A battery mounting portion that is provided in the housing and attaches the battery;
An adhesive member for removably attaching the battery to the battery mounting portion;
The adhesive member is
A straight section;
An extension that bends and extends from the straight portion;
A handle portion formed at the tip of the extension portion,
An electronic apparatus characterized in that the adhesive member can be peeled off by pulling in the direction in which the handle portion is extended. The electronic device according to claim 1,
The battery has a rectangular plate shape that is long on one side, and the linear portion is attached to the back surface of the battery so as to extend in the longitudinal direction of the battery, and the extension portion extends from the side surface in the width direction of the battery. An electronic device, wherein the electronic device is bent to the front surface side, and the handle portion is exposed to the front surface side of the battery from a side surface in the width direction of the battery. The electronic device according to claim 1 or 2,
The adhesive member is a pair of strip-like stretch-peeling adhesive tapes, and the extension portions of the pair of stretch-peeling adhesive tapes extend in a U-shape in the directions away from each other, and the handle portions are on both sides in the width direction of the battery. Are each bent to the surface side of the battery. The electronic device according to claim 3,
An electronic device, wherein the stretch-release adhesive tape becomes thinner toward the tip.