JP2014220114A - Electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately position a rechargeable battery in an enclosure and to easily detach the rechargeable battery while suppressing flotation and looseness.SOLUTION: A battery accommodation part 3a which accommodates a rechargeable battery 6 is formed in a back-side cabinet 4 of a portable telephone 1, an engaged part 10 which engages an engaging part 11 formed at one end of the battery accommodation part 3a is provided at one end of the rechargeable battery 6, and a plurality of screw insertion parts 12 into which screws 13 to be fastened to a boss part 3c formed at a peripheral edge of the battery accommodation part 3a is provided more on the other end side of the center of the rechargeable battery 6. A screw insertion part 12 is provided with a guide part 14 which has a gap C, corresponding to a component tolerance, with an outer periphery of the boss part 3c and is positioned at the boss part 3c.

Description

  The present invention relates to an electronic device incorporating a rechargeable battery.

  Conventionally, as an electronic device with a built-in rechargeable battery, for example, as in Patent Document 1, it is fixed by fitting the wall surface of the recessed portion and one end of the rechargeable battery at one end portion of the recessed portion provided in the housing. It is known that the fixing member is fixed to the casing so that the other end of the rechargeable battery is pressed against the wall surface of the recess at the other end of the recess.

JP 2003-68261 A

  However, in the electronic device disclosed in Patent Document 1, the rechargeable battery is only positioned by the outer shape of the rechargeable battery and the wall surface of the recess, and the positioning accuracy is poor, and the battery is liable to float and play.

  On the other hand, if the rechargeable battery and the housing are attached with the double-sided tape, it is difficult to replace or reuse the rechargeable battery, which may increase the cost.

  The present invention has been made in view of such a point, and an object of the present invention is to be able to accurately position the rechargeable battery in the housing, and to easily remove it while suppressing floating and rattling. .

  In order to achieve the above object, in the present invention, a screw fastening portion that is easily positioned is provided.

Specifically, in the present invention, on the premise of an electronic device incorporating a rectangular plate-shaped rechargeable battery,
The electronic device
A housing in which a battery housing portion for housing the rechargeable battery is formed;
An engaged portion that is provided at one end of the rechargeable battery and engages with an engaging portion formed at one end of the battery housing;
A plurality of screw insertion portions that are provided on the other end side than the center of the rechargeable battery and are capable of inserting screws fastened to a boss portion formed on the periphery of the battery housing portion;
A guide portion that is formed in the screw insertion portion and has a clearance corresponding to at least a component tolerance between the outer periphery of the boss portion and is positioned with respect to the boss portion.

  According to said structure, in the state which engaged the engaging part of the one end of a battery accommodating part with the to-be-engaged part of the end of a rechargeable battery, it positions with respect to a boss | hub part by the guide part of a screw | thread insertion part. The guide part has a clearance that is greater than the component tolerance with respect to the boss part, so positioning is easy. Absent. For this reason, it is not necessary to stick a rechargeable battery with a double-sided tape etc., if a screw is removed, a rechargeable battery can be removed.

  As described above, according to the present invention, a plurality of screws that can be inserted into the engaged portion and the other end side of the rechargeable battery from the center of the rechargeable battery through the boss portion formed on the periphery of the battery housing portion. A rechargeable battery can be accurately attached to the housing by providing an insertion part, providing a guide part that has a clearance corresponding to at least the component tolerance between the screw insertion part and the outer periphery of the boss part, and positioning it with respect to the boss part. It can be positioned easily and can be easily removed while suppressing the floating or looseness of the rechargeable battery.

It is the II sectional view taken on the line of FIG. 3, and its partially expanded sectional view. It is a disassembled perspective view of a mobile phone. It is a rear view which shows the state which removed the rear cover of the mobile telephone. FIG. 4 is a sectional view taken along line IV-IV in FIG. 3 and a partially enlarged sectional view thereof. It is the VV line expanded sectional view of FIG. It is the front view of a rechargeable battery, and its partially expanded front view. It is an A section equivalent expanded sectional view of Drawing 1 concerning modification 1 of an embodiment. It is an A section equivalent expanded sectional view of Drawing 1 concerning modification 2 of an embodiment. It is the C section equivalent expanded sectional view of Drawing 6 concerning modification 3 of an embodiment. It is the B section equivalent expanded sectional view of Drawing 1 concerning modification 4 of an embodiment.

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

  1 and 2 show a mobile phone 1 as an electronic apparatus according to an embodiment of the present invention. The mobile phone 1 has a display unit 2 including a touch panel on the front side, and the display unit 2 is a casing. Is fitted in the front cabinet 3. A back side cabinet 4 is coupled to the back side of the front side cabinet 3, and the back side is covered with a rear cover 5.

  In the front cabinet 3, for example, a frame 3e obtained by press-molding a stainless steel thin plate is insert-molded, and a substantially rectangular battery housing portion 3a is formed on the back side thereof. A battery opening 4a is formed in the back side cabinet 4 so as to correspond to the battery housing portion 3a. A rectangular plate-shaped rechargeable battery 6 is accommodated in the battery accommodating portion 3a and the battery opening 4a. Cutouts 3b extending left and right are formed on the left and right side walls of the battery housing 3a. As shown also in FIG. 1, a cylindrical boss portion 3c protrudes from the notch 3b so as to extend to the back side. For example, a metal nut 3d to which a screw 13 is fastened is press-fitted or insert-molded in the boss portion 3c. As shown in FIG. 2, the back side cutout 4 b is also cut out in the battery opening 4 a in accordance with the cutout 3 b. As shown in FIG. 3, a main board 7 to which the rechargeable battery 6 is connected is provided below the front cabinet 3. In addition, as shown in FIG. 2, the rechargeable battery 6 is waterproofed by a waterproof sheet 8 attached from the back side. As shown in FIG. 5, the charging terminal 6 a of the rechargeable battery 6 is provided on the side surface of the lower end and is connected to the terminal 7 a that extends upward provided on the main board 7. For this reason, compared with the case where the charging terminal 6a is provided in the front side or back side of the rechargeable battery 6, the thickness of the mobile phone 1 as a whole is thinner.

  Then, as shown in FIG. 6 from the front side, the rechargeable battery 6 is formed at the lower end of the rechargeable battery 6 so that, for example, a pair of engaged portions 10 having, for example, a rectangular plate shape extend downwardly with a space left and right. Has been. On the other hand, as shown in an enlarged view in part B of FIG. 1, an engaging part 11 into which the engaged part 10 is fitted with a space left and right is recessed at the lower end of the battery housing part 3a. When the rechargeable battery 6 is accommodated, the rechargeable battery 6 is inclined obliquely when viewed from the side, and the engaged portion 10 on the lower end side is fitted into the engaging portion 11, and then the rechargeable battery 6 is pressed against the battery accommodating portion 3 a. And insert it.

  Further, as shown in FIG. 6, ear-shaped screw insertion portions 12 projecting left and right corresponding to the boss portions 3 c are respectively formed on the left and right side surfaces on the upper end side of the center of the rechargeable battery 6. The shape of the through hole 12a provided in the approximate center of the screw insertion portion 12 is, for example, a right circle when viewed from the front side is a perfect circle having a diameter obtained by adding a component tolerance to the diameter of the boss portion 3c, and the left side is enlarged in FIG. As shown, the ellipse is long on the left and right.

  The screw insertion portion 12 is provided with a guide portion 14 that is positioned with respect to the boss portion 3c. In the present embodiment, for example, a bulging portion that bulges from the periphery of the through hole 12a through which the screw 13 on the front side of the screw insertion portion 12 is inserted is provided as a configuration of the guide portion 14. A gap C corresponding to at least component tolerance is formed between the inner surface of the bulging portion and the outer periphery of the boss portion 3c. Specifically, as shown in FIG. 4, the gap C of the right guide portion 14 when viewed from the front is equivalent to the component tolerance, and the left gap C ′ is made larger than the component tolerance ( C ′> C), in particular, it is possible to absorb deviations greater than component tolerances in the left-right direction, so that positioning is easy. In the vertical direction, it is necessary to electrically connect the charging terminal 6a and the terminal 7a, and it is desirable not to provide a gap larger than the component tolerance.

  Further, in a state where the engaging portion 11 at the lower end of the battery housing portion 3a is engaged with the engaged portion 10 at the lower end of the rechargeable battery 6, the guide portion 14 of the screw insertion portion 12 positions the boss portion 3c. By doing so, the guide portion 14 has a gap larger than the component tolerance with respect to the boss portion 3c, so that positioning becomes easy. Finally, the rechargeable battery 6 is securely fixed at a predetermined position and is not rattled by fastening the screw 13 to the pair of left and right boss portions 3c. For this reason, it is not necessary to affix the rechargeable battery 6 with a double-sided tape or the like, and the rechargeable battery 6 can be removed by removing the screw 13.

  Further, the screw insertion portion 12 protrudes outward from the left and right side surfaces, and the guide portion 14 is formed around the through hole 12a through which the screw 13 is inserted, so that the screw insertion portion without the guide portion 14 is simply engaged. The degree of freedom of positioning can be made higher than that provided at the upper end facing the joint portion 10, and the rechargeable battery 6 can be reliably fixed at a fixed position by being provided at the left and right opposing positions.

  Therefore, according to the electronic device according to the present embodiment, a pair of screw insertion portions through which the screws 13 fastened to the boss portion 3c formed on the periphery of the battery housing portion 3a can be inserted on the upper end side from the center of the rechargeable battery 6. 12 and a guide portion 14 that is positioned relative to the boss portion 3c with a gap C corresponding to at least a component tolerance between the screw insertion portion 12 and the outer periphery of the boss portion 3c. 4, the rechargeable battery 6 can be accurately positioned, and can be easily removed while suppressing the rechargeable battery 6 from being lifted or rattling.

-Modification 1 of embodiment-
FIG. 7 shows a first modification of the embodiment of the present invention, which differs from the above embodiment in that the configuration of the guide portion 114 is different. In the following modifications, the same portions as those in FIGS. 1 to 6 are denoted by the same reference numerals, and detailed description thereof is omitted.

  That is, in this modification, the back side cutout 4b of the back side cabinet 4 as the second casing is recessed, and the screw insertion through hole 104b is penetrated in the center, and the screw insertion through hole 104b is inserted into the center. The boss part 3c is inserted through. The rechargeable battery 6 is fastened together with the back side cabinet 4 by inserting the screw 13 through the through hole 12a of the screw insertion portion 12 and fastening it to the nut 3d. Thus, if the back side cabinet 4 and the rechargeable battery 6 are fastened together with the front side cabinet 3, the rechargeable battery 6 will not be rattled further.

-Modification 2 of embodiment-
FIG. 8 shows a second modification of the embodiment of the present invention, which is different from the first modification in that the configuration of the guide portion 214 and the fastening procedure between the back side cabinet 4 and the screw insertion portion 12 are different.

  That is, the guide part 214 of this modification is made of counterbore formed on the front side of the screw insertion part 12. For example, the guide portion 214 can be easily integrally formed with the resin portion of the rechargeable battery 6.

  In this modification, the guide portion 214 is positioned with respect to the boss portion 3c, and is fastened to the nut 3d through the screw 13 through the screw insertion through hole 204b and the through hole 12a arranged on the back surface side.

  Even in this modification, the rechargeable battery 6 can be easily removed while suppressing the floating and backlash of the rechargeable battery 6.

—Modification 3 of Embodiment—
FIG. 9 shows a third modification of the embodiment of the present invention, which differs from the above embodiment in that the shape of the screw insertion portion 312 is different.

  That is, in this embodiment, at least one screw insertion part 312 has notch 312a instead of the through-hole 12a. The notch 312a opens to the left and right outer sides, and the guide portion 314 bulges with a gap so as to surround the periphery. For example, the right and left screw insertion portions 312 may be provided with a notch 312a, and the other screw insertion portion 12 may be provided with a perfect through hole 12a.

  In this modification, it is particularly easy to absorb the component tolerance in the left-right direction.

-Modification 4 of the embodiment-
FIG. 10 shows a fourth modification of the embodiment of the present invention, which differs from the above embodiment in that the configuration of the engaged portion 410 is different.

  That is, the engaged portion 410 of the present modification is configured by a concave portion that is integrally recessed at a lower end of the rechargeable battery 6, and the engaging portion 411 is formed on the engaged portion 410 in the battery housing portion 3a. It consists of a protrusion formed at a corresponding position and fitted into the engaged portion 410.

  According to this configuration, rattling of the rechargeable battery 6 can be prevented with a simple configuration.

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

  In the above embodiment, the pair of left and right screw insertion portions 12 are provided, but the screw insertion portion 12 having a gap C ′ greater than the component tolerance may be provided only on either the left or right side.

  In the above embodiment, the engaged portions 10 and 410 are provided at the lower end in the longitudinal direction of the rechargeable battery 6, but may be provided at one end in the width direction of the rechargeable battery 6. In that case, the screw insertion parts 12, 312 may be provided on at least one of both side surfaces in the longitudinal direction of the rechargeable battery 6.

  In the above embodiment, the electronic device is the mobile phone 1, but a PHS (Personal Handy-phone System), a PDA (Personal Digital Assistant), a smartphone, a personal computer, a mobile tool, an electronic dictionary, a calculator, a game machine, etc. It may be a liquid crystal display, a liquid crystal television, a Blu-ray (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 Mobile phone (electronic equipment)
2 display section
3 Front side cabinet (second housing)
3a Battery compartment
3b Notch
3c Boss
3d nut
3e frame
4 Back side cabinet (housing)
4a Battery opening
4b Notch on the back side
5 Rear cover
6 Rechargeable battery
6a charging terminal
7 Main board
7a terminal
8 Tarpaulin
10 engaged parts
11 Engagement part
12 Screw insertion part
12a Through hole
13 screws
14 Guide part 104b Screw insertion through hole 114 Guide part 204b Screw insertion through hole 214 Guide part 312 Screw insertion part 312a Notch 314 Guide part 410 Engagement part 411 Engagement part

Claims (4)

In an electronic device with a rectangular plate-shaped rechargeable battery,
A housing in which a battery housing portion for housing the rechargeable battery is formed;
An engaged portion that is provided at one end of the rechargeable battery and engages with an engaging portion formed at one end of the battery housing;
A plurality of screw insertion portions that are provided on the other end side than the center of the rechargeable battery and are capable of inserting screws fastened to a boss portion formed on the periphery of the battery housing portion;
An electronic apparatus comprising: a guide portion that is formed in the screw insertion portion, has a gap corresponding to at least a component tolerance between the outer periphery of the boss portion, and is positioned with respect to the boss portion. The electronic device according to claim 1,
The screw insertion portions protrude outward from a pair of opposing side surfaces between one end and the other end of the rechargeable battery,
The electronic device according to claim 1, wherein the guide portion is formed around a through hole or a notch through which the screw is inserted. The electronic device according to claim 2,
The gap of the guide portion corresponds to a component tolerance on one side surface, and is larger than the component tolerance in a linear direction connecting a pair of through holes or notches on the other side surface. machine. The electronic device according to claim 2 or 3,
The screw is inserted into a through-hole of a second casing coupled to the casing, and the second casing and the rechargeable battery are fastened together with the casing. Electronics.

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