JP4808223B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device in which a battery unit is detachably mounted in a housing recess of a main body casing by engaging a locking means formed between one side edge of the battery unit and the main body casing. It is.

  In an electronic device considering portability such as a notebook personal computer device, a battery unit is generally used as a power source. The battery unit is normally detachably attached to the housing recess of the main body housing via the locking means, and can be replaced by releasing the locked state by the locking means.

  The locking means includes, for example, a fixed locking portion provided at one side edge of the battery unit, a movable locking portion provided at a corresponding portion of the main body housing, and a release for operating the movable locking portion. An operation lever is provided, and the movable locking portion is locked with respect to the fixed locking portion, thereby preventing the movement of the two in a direction away from each other.

  In this type of electronic device, for example, after inserting and engaging the other side edge of the battery unit into the housing recess, if the one side edge of the battery unit is inserted into the housing recess, the locking means is locked, The battery unit can be attached to the main body housing.

  On the other hand, when the release operation lever is slid in a predetermined release direction, the movable engagement portion moves to release the engagement state with the fixed engagement portion, and the battery unit is removed from the main body housing. (For example, refer to Patent Document 1).

JP 2006-260255 A

  By the way, when actually removing the battery unit from the main body housing in the electronic device as described above, first, the locking means is released by sliding the release operation lever along one side edge of the battery unit. . From this state, it is necessary to perform an operation for causing the battery unit to the front side while putting a finger or a nail on the outer surface of one side edge of the battery unit and pressing it through an engagement notch formed on the bottom surface of the main body housing. .

  Here, considering the universal design of the electronic device, it is preferable that the battery unit can be easily detached from the main body housing even when the above-described operation is performed with one hand. However, in the electronic device described in Patent Document 1, the direction of the force applied when the release operation lever is slid in the release direction and the force applied when the battery unit is pressed through the engagement notch. The directions are separated from each other. For this reason, it is difficult to efficiently transmit the operating force to the battery unit, and it is not always easy to remove the battery unit when operated with one hand.

  In view of the above circumstances, an object of the present invention is to provide an electronic device in which a battery unit can be easily removed even when operated with one hand.

In order to achieve the above object, the present invention includes a battery unit having a rectangular parallelepiped shape, and a main body housing having a housing recess for housing the battery unit on a bottom surface, and one side edge of the battery unit; In the electronic device in which the battery unit is detachably mounted in the housing recess of the main body casing by locking the locking means configured between the main body casing, the main body casing is formed, A hooking notch for partially exposing the outer surface located at one side edge of the battery unit as a hooking surface for hooking a finger when the battery unit is mounted in the housing recess of the main body housing When the slide is the disposed slidably in a manner to be substantially parallel to the hook surface exposed outer surface outside of the battery unit, along a direction close to the hook surface A release operation lever that releases the locking state of the locking means when the battery unit has a length smaller than the full width of the one side edge at a position that is an intermediate position in the one side edge. It has a thin plate-like tongue piece portion, and a concave hooking notch portion having a length longer than that of the tongue piece portion is formed in a portion corresponding to the tongue piece portion of the battery unit on the bottom surface of the main body housing. By doing so, the outside surface of the battery unit is exposed to the outside as a hooking surface.

According to a preferred aspect of the present invention, the hooking notch and the tongue piece are configured in such a manner that the tongue piece is arranged at the center of the hooking notch, and the tongue piece is formed in the battery unit. The release operation lever is disposed at a position biased to one of the end portions, and along the direction in which the release operation lever approaches the hooking surface of the battery unit exposed to the outside on the biased side. It is desirable to release the locking state of the locking means when sliding .

According to the present invention, when the release operation lever provided on the battery unit is slid along the direction close to the hooking surface of the battery unit, the locking state of the locking means is released. The direction of the force applied when the lever is slid in the release direction and the direction of the force applied when the battery unit is pressed through the hooking notch are crossed with each other. As a result, the operating force can be efficiently transmitted to the battery unit, and the battery unit can be easily detached from the main body housing even when operated with one hand.

  Exemplary embodiments of an electronic device according to the present invention will be described below in detail with reference to the accompanying drawings.

  1 to 4 show an electronic apparatus according to an embodiment of the present invention, and exemplify an electronic apparatus called a so-called notebook personal computer (hereinafter referred to as “notebook PC”). . The notebook PC can be driven by a power source supplied from the battery unit 10 in addition to a commercial power source supplied through a power cord (not shown).

  Although not clearly shown in the figure, the battery unit 10 contains a battery therein, and has a unit body 11 having a rectangular parallelepiped shape as shown in FIG. In the present embodiment, the unit main body 11 is formed in a thin rectangular parallelepiped shape whose dimension in the height direction is sufficiently smaller than the dimensions of the vertical and horizontal portions in FIG. In the following, for convenience, the upper surface of the unit body 11 in FIG. 5 is the outer surface 11a, the lower surface of the unit body 11 is the inner surface 11b, the front surface of the unit body 11 is the front side surface 11c, and the front side surface. A rear surface parallel to 11c is referred to as a rear side surface 11d, a left side surface of the unit body 11 is referred to as a left end surface 11e, and a right side surface parallel to the left end surface 11e is referred to as a right end surface 11f.

  As shown in FIGS. 1 to 5, the unit main body 11 is provided with a tongue piece portion 12 and a pair of fixed locking portions 13 on the front side surface 11 c.

  The tongue piece portion 12 is a portion having a rectangular thin plate shape protruding from a portion located on the outer surface 11 a side on the front side surface 11 c of the unit main body 11. The surface located on the outer surface 11a side of the unit body 11 in the tongue piece 12 is configured to be flush with the outer surface 11a. The tongue piece 12 is formed to have a width smaller than the front side surface 11 c of the unit body 11. One end surface of the tongue piece portion 12 (hereinafter referred to as “right tongue piece surface 12 a”) is positioned slightly closer to the left end surface 11 e than the right end surface 11 f in the vicinity of the right end surface 11 f of the unit body 11. The other end surface of the tongue piece 12 (hereinafter referred to as “left tongue piece surface 12 b”) is located on the front side surface 11 c of the unit body 11 at a position slightly closer to the left end surface 11 e than the center portion. The right tongue piece surface 12 a and the left tongue piece surface 12 b of these tongue pieces 12 extend in a direction substantially perpendicular to the front side surface 11 c of the unit body 11.

  As shown in FIGS. 4 and 5, the fixed locking portion 13 protrudes outward from the front side surface 11 c of the unit main body 11, and includes a fixed side locking surface 13 a and a fixed side guide surface 13 b, respectively. Have. The fixed side locking surface 13a is a flat surface formed in a portion of the fixed locking portion 13 that is located on the outer surface 11a side of the unit body 11, and is configured to be substantially parallel to the outer surface 11a of the unit body 11. is there. The fixed side locking surface 13a formed on one fixed locking portion 13 and the fixed side locking surface 13a formed on the other fixed locking portion 13 have the same distance from the outer surface 11a of the unit body 11. It is provided to become. The fixed-side guide surface 13b is a flat surface formed in a portion of the fixed locking portion 13 that is located on the inner surface 11b side of the unit main body 11. The fixed side guide surfaces 13b formed on the respective fixed locking portions 13 are inclined in a direction gradually separating from the fixed side locking surface 13a toward the left end surface 11e side from the right end surface 11f side of the unit body 11. Yes.

  The fixed locking portion 13 close to the right end surface 11f side of the unit body 11 is provided slightly on the left end surface 11e side with respect to the right tongue piece surface 12a of the tongue piece portion 12. The other fixed locking portion 13 is provided slightly closer to the right end surface 11 f side than the left tongue piece surface 12 b of the tongue piece portion 12 at a portion that is substantially the center of the unit main body 11. That is, the pair of fixed locking portions 13 are disposed on the front side surface 11 c of the unit main body 11 at a site on the inner side of the both end surfaces 12 a 12 b of the tongue piece portion 12. The protruding amount of the fixed locking portion 13 from the front side surface 11 c of the unit body 11 is set to be smaller than the protruding amount of the tongue piece portion 12. Therefore, when the unit main body 11 is viewed from the outer surface 11a side, the pair of fixed locking portions 13 are both covered with the tongue piece portion 12 and cannot be visually recognized.

  On the other hand, the battery unit 10 is provided with a movable rod 14 inside the unit main body 11 as shown in FIGS. The movable rod 14 has a rectangular prism shape with a rectangular cross section, and is disposed in a rod receiving hole 15 formed in a portion on the front side surface 11c side inside the unit body 11, and includes an outer surface 11a and a front side surface 11c. It is possible to extend in a manner that is substantially parallel to both of the two, and to slide along the extending direction.

  The rod housing hole 15 opens on the left end surface 11e of the unit body 11, while the end located on the right end surface 11f side is closed. An end portion of the movable rod 14 located on the left end surface 11 e side of the unit main body 11 protrudes to the outside through the opening of the rod accommodation hole 15, and constitutes a locking projection 16. The locking projection 16 can move forward and backward with respect to the left end surface 11e when the movable rod 14 slides. As shown in FIG. 5, the locking projection 16 is provided with a rod guide surface 16a. The rod guide surface 16a is a flat surface formed in a portion of the movable rod 14 that is located on the inner surface 11b side of the unit body 11, and is inclined in a direction gradually moving away from the inner surface 11b of the unit body 11 toward the distal end side. . As shown in FIG. 1, a movable rod spring 17 is interposed between the movable rod 14 and the closed end of the rod receiving hole 15 at the end located on the right end surface 11 f side of the unit body 11. The movable rod spring 17 presses the locking projection 16 of the movable rod 14 from the left end surface 11e of the unit body 11 in a direction that always projects.

  The movable rod 14 is provided with a release operation lever 18a, an auxiliary release operation lever 18b, and a release pressing piece 19. The release operation lever 18a is an operation unit provided in a portion of the movable rod 14 that is close to the right end surface 11f of the unit body 11, and the auxiliary release operation lever 18b is close to the left end surface 11e of the unit body 11 of the movable rod 14. It is the operation part provided in the part. The release operation lever 18a and the auxiliary release operation lever 18b are exposed to the outer surface 11a of the unit body 11 through a slide hole (not shown) provided in the unit body 11, and are operated when operated from the outside of the unit body 11. It is possible to slide the movable rod 14 along its extending direction. As is clear from FIG. 1, the release operation lever 18 a is slightly on the rear side surface 11 d side with respect to the front side surface 11 c of the unit body 11, and slightly on the left end surface 11 e with respect to the right tongue piece surface 12 a of the tongue piece portion 12. It is arranged on the side part. That is, the release operation lever 18a is disposed on the outer surface 11a of the unit body 11 at a position closer to the center than the right tongue piece surface 12a and the front side surface 11c.

  The release pressing piece 19 is a protruding piece provided at a portion of the movable rod 14 that is close to the right end surface 11 f side of the unit main body 11, and protrudes outside from a window hole 19 a provided on the front side surface 11 c of the unit main body 11. The window hole 19a is an opening extending along the extending direction of the movable rod 14 at a portion located on the outer surface 11a side of the fixed locking portion 13 disposed on the right end surface 11f side of the unit body 11. When the movable rod 14 slides, the interlocking slide of the release pressing piece 19 is allowed.

  The movable rod 14 described above is held in a state in which the locking projection 16 protrudes most from the left end surface 11 e of the unit main body 11 by the action of the movable rod spring 17 in a normal state. In this state, as shown in FIG. 1, the release operation lever 18a and the auxiliary release operation lever 18b of the movable rod 14 are located on the most left end surface 11e side in the recesses provided on the outer surface 11a of the unit body 11, respectively. Yes. If the release operation lever 18a or the auxiliary release operation lever 18b is moved to the right end face 11f side against the pressing force of the movable rod spring 17 from this state, the movable rod 14 slides in the same direction, and the unit body 11 The locking protrusion 16 can be moved backward with respect to the left end surface 11e of the.

On the other hand, the main body housing 20 of the notebook PC has a dimension in the height direction larger than that of the battery unit 10, and as shown in FIGS. 1 to 4, an accommodation recess 30 and an engagement notch ( (Notch portion for hooking) 40.

  The housing recess 30 is a recess formed in a dimension that allows the unit main body 11 of the battery unit 10 to be fitted and housed in a posture in which the outer surface 11 a is exposed to the outside. It is formed in the part which becomes the side.

  The notch 40 for engagement is a concave portion provided in a part on the back side of the main body housing 20 with respect to the housing recess 30. The notch 40 for engagement is a part for accommodating the tongue piece 12 protruding from the unit main body 11 when the unit main body 11 of the battery unit 10 is accommodated in the accommodating recess 30. As is clear from FIG. 1, in the present embodiment, the length along the left-right direction of the main body housing 20 in the engagement notch 40 is from the right tongue piece surface 12 a to the left tongue piece surface 12 b in the tongue piece portion 12. It is configured to have a length larger than the distance. Further, the position of the engagement notch 40 is arranged at a position where the tongue piece 12 is substantially centered in the left-right direction of the main body housing 20 when the main body housing 20 of the battery unit 10 is fitted in the housing recess 30. It is comprised so that. Therefore, the opening edges 40a and 40b of the engagement notch 40 formed in the main body housing 20 are disposed at positions that are secured from both the right tongue piece surface 12a and the left tongue piece surface 12b of the tongue piece portion 12, respectively. become.

  Further, the main body housing 20 of the notebook PC is provided with a rod contact hole 50 and a pair of movable locking portions 60. As shown in FIGS. 1 and 7, the rod contact hole 50 has a wall surface (hereinafter referred to as the left end surface 11 e) of the unit body 11 when the unit body 11 of the battery unit 10 is fitted and housed in the housing recess 30. It is referred to as a “left wall surface 30a”, and is a hole formed in a housing recess 30 in a wall facing the left wall surface 30a in a “right wall surface 30b”, and has a rectangular opening. The locking opening edge 51 located on the bottom surface 21 side of the main body housing 20 in the rod contact hole 50 extends along the bottom surface 21 of the main body housing 20, and the unit main body of the battery unit 10 is accommodated in the housing recess 30. 11 is formed at a height position that comes into contact with the locking projection 16 of the movable rod 14 protruding from the left end surface 11e of the unit main body 11 when the unit 11 is fitted and accommodated.

  The movable locking part 60 is an element for constituting a locking means by a pair of fixed locking parts 13 formed in the battery unit 10. As shown in FIGS. 2 and 6, each movable locking portion 60 is referred to as a wall surface (hereinafter referred to as “back wall surface 30 c”) located on the back side of the main body housing 20 in the housing recess 30. A wall surface facing the wall surface 30c is referred to as a “front wall surface 30d”) and a pair of cutouts 31 formed at a meeting portion between the bottom wall of the engagement cutout portion 40. The notch 31 is located at a portion corresponding to each of the fixed locking portions 13 when the unit main body 11 of the battery unit 10 is fitted and received in the storage recess 30, and can accommodate each fixed locking portion 13. It is comprised as follows.

  Each movable locking portion 60 is provided with a movable locking surface 60a and a movable guide surface 60b. The movable side locking surface 60 a is a flat surface that is configured to face the bottom wall 30 e of the housing recess 30 in the movable locking portion 60, and is configured to be parallel to the bottom surface 21 of the main body housing 20. The movable side locking surface 60a formed on one movable locking portion 60 and the movable side locking surface 60a formed on the other movable locking portion 60 have the same distance from the bottom surface 21 of the main body housing 20. It is provided to become. The movable guide surface 60b is a flat surface formed in a portion of the movable locking portion 60 that is located on the opening side of the engagement cutout 40. Each of the movable side guide surfaces 60b formed on each movable locking portion 60 is inclined in a direction gradually separating from the movable side locking surface 60a as it goes from the left wall surface 30a side to the right wall surface 30b side of the housing recess 30. Yes.

  The pair of movable locking portions 60 are connected to each other by a connecting rod 61 provided inside the main body housing 20. The connecting rod 61 extends in a manner in which the connecting rod 61 is substantially parallel to the bottom surface 21 and the back wall surface 30c of the main body housing 20 at a portion close to the back wall surface 30c of the housing recess 30, and slides along the extending direction. It is possible to arrange. The mutual spacing of the movable locking portions 60 is the same as the mutual spacing of the fixed locking portions 13 provided in the unit main body 11 of the battery unit 10. Therefore, when the fixed side locking surface 13a formed on one fixed locking portion 13 is brought into contact with the movable side locking surface 60a formed on one movable locking portion 60, the other fixed locking portion 13 is fixed. The fixed-side locking surface 13a formed on the second movable locking portion 60 can be brought into contact with the movable-side locking surface 60a. The connecting rod 61 described above is always held in a state of being positioned on the left wall surface 30 a side of the housing recess 30 by the pressing force of the connecting rod spring 62 interposed between the connecting rod 61 and the main body housing 20. In this case, as shown in FIG. 7, each movable side guide surface 60 b of the movable locking portion 60 is fixedly locked when the unit main body 11 of the battery unit 10 is fitted and received in the receiving recess 30 of the main body housing 20. It will be arrange | positioned in the position which can contact | abut each fixed side guide surface 13b of the part 13. FIG.

  In the notebook PC configured as described above, when the battery unit 10 is mounted in the housing recess 30 of the main body housing 20, first, as shown in FIG. 4, a portion located on the rear side 11 d side of the battery unit 10. Is first accommodated in the accommodating recess 30 and engaged with the front wall surface 30d. For example, in the illustrated example, the protrusion 10T provided on the rear side surface 11d of the battery unit 10 is inserted into the engagement notch 30T formed on the front wall surface 30d and the bottom wall 30e of the housing recess 30 to insert the rear side surface 11d of the battery unit 10. The portion located on the side is engaged with the housing recess 30.

  From this state, when the front side surface 11c of the battery unit 10 is brought close to the housing recess 30 with the rear side surface 11d portion of the battery unit 10 as a fulcrum, the fixed locking portion 13 is finally obtained from the state shown in FIG. 7 as shown in FIG. The fixed-side guide surfaces 13b are in contact with the corresponding movable-side guide surfaces 60b of the movable locking portions 60, respectively. At the same time, the rod guide surface 16a of the movable rod 14 protruding from the left end surface 11e of the unit main body 11 in the battery unit 10 contacts the meeting ridge with the left wall surface 30a of the housing recess 30 on the bottom surface 21 of the main body housing 20. It will be in the state.

  When the front side surface 11c of the battery unit 10 is further moved closer to the housing recess 30 from this state, as shown in FIG. 9, the fixed side guide surface 13b of the fixed locking portion 13 and the movable side guide surface 60b of the movable locking portion 60 are obtained. The movable locking portion 60 slides to the right wall surface 30b side of the housing recess 30 against the pressing force of the connecting rod spring 62, and the battery guide 10 is tilted by the tilting action of the rod guide surface 16a. The movable rod 14 slides toward the right end surface 11 f side of the battery unit 10 against the pressing force of the movable rod spring 17. As a result, a portion of the unit main body 11 of the battery unit 10 located on the front side surface 11 c side moves to the accommodating recess 30, and the entire unit main body 11 is fitted and accommodated in the accommodating recess 30.

  When the entire unit main body 11 is fitted and accommodated in the accommodation recess 30, the contact state between the fixed side guide surface 13 b of the fixed locking portion 13 and the movable side guide surface 60 b of the movable locking portion 60 is released. In addition, the contact state between the rod guide surface 16 a and the main body housing 20 is released by the engagement protrusion 16 of the movable rod 14 facing the rod contact hole 50. As a result, as shown in FIG. 10, the connecting rod 61 slides toward the left wall surface 30 a side of the receiving recess 30 by the elastic restoring force of the connecting rod spring 62. Therefore, the movable side locking surface 60a of the movable locking portion 60 faces the fixed side locking surface 13a of the fixed locking portion 13. At the same time, the movable rod 14 slides to the left end surface 11e side of the battery unit 10 by the elastic restoring force of the movable rod spring 17, and accordingly, the locking projection 16 of the movable rod 14 enters the rod contact hole 50. It will be in the state.

  In this state, the fixed-side locking surface 13 a of the fixed locking portion 13 provided in the battery unit 10 contacts the movable-side locking surface 60 a of the movable locking portion 60. Further, the locking projection 16 of the movable rod 14 contacts the inner surface of the rod contact hole 50. Accordingly, the movement of the portion located on the front side surface 11c side of the battery unit 10 in the direction of dropping from the housing recess 30 is prevented, and the battery unit 10 is mounted in the housing recess 30 of the main body housing 20. It becomes. As shown in FIG. 10, the release pressing piece 19 provided on the movable rod 14 of the battery unit 10 in this mounted state is the movable side guide surface of the movable locking portion 60 provided on the right wall surface 30 b side of the housing recess 30. It is in a state of being in contact with 60b. In addition, both the fixed latching | locking part 13 and the movable latching | locking part 60 will be covered with the tongue piece part 12 provided in the battery unit 10, and will not be visually recognized from the outside.

  On the other hand, when the release operation lever 18a or the auxiliary release operation lever 18b is operated from the above-described state and the movable rod 14 is slid to the right end surface 11f side of the battery unit 10 against the pressing force of the movable rod spring 17, the movable lever 14 is movable. The locking projection 16 of the rod 14 is retracted and deviates from the rod contact hole 50 of the housing recess 30.

  At the same time, as the movable rod 14 slides, the release pressing piece 19 moves to the right end surface 11 f side of the battery unit 10, so the movable locking portion 60 provided on the right wall surface 30 b side of the housing recess 30 is movable side guide surface. It is pressed through 60b. As a result, the sliding force against the connecting rod spring 62 is slid toward the right wall surface 30b of the housing recess 30, and the pair of movable locking portions 60 slide toward the right wall surface 30b of the housing recess 30. .

  As a result, the latched state of the portion located on the front side surface 11c side of the battery unit 10 is released, and the front side of the battery unit 10 is further inclined by the tilting action of the release pressing piece 19 and the movable side guide surface 60b in contact therewith. A portion located on the side surface 11 c side is pushed out from the accommodating recess 30. Therefore, if the protrusion 10T provided on the rear side surface 11d of the battery unit 10 is subsequently deviated from the engagement notch 30T formed on the front wall surface 30d and the bottom wall surface of the housing recess 30, the battery unit 10 is removed from the main body housing 20. Can be removed.

Here, in the above-described notebook PC, as clearly shown in FIG. 1, when the battery unit 10 is mounted in the housing recess 30 of the main body casing 20, the engagement notch 40 formed in the main body casing 20 A portion of the front side surface 11c of the main body 11 that is close to the outer surface 11a and located on the right end surface 11f side of the right tongue piece surface 12a of the tongue piece portion 12 (hereinafter referred to as “engagement surface (hooking surface) 11c ′”). Will be exposed to the outside. The engagement surface 11c ′ is a state where the release operation lever 18a provided on the battery unit 10 is slid to the right end surface 11f side of the battery unit 10, that is, the locked state between the fixed locking portion 13 and the movable locking portion 60. In addition, when the locking projection 16 of the movable rod 14 and the rod contact hole 50 are slid in the direction in which the locking state is released (hereinafter referred to as “release direction”), the release operation lever 18a approaches. .

  Therefore, as shown in FIG. 11, for example, the release operation lever 18a is slid in the release direction by the thumb of the left hand, and the left index finger or nail is put on the engagement surface 11c ′ via the engagement notch 40 and pressed. For example, the direction A of the force applied when the release operation lever 18a is slid in the release direction and the direction B of the force applied when pressing the battery unit 10 through the engagement notch 40 intersect each other. . As a result, the operating force can be efficiently transmitted to the battery unit 10, and the battery unit 10 can be pulled up and easily removed from the main body housing 20 even when operated with only the left hand.

  Similarly, as shown in FIG. 12, the angle of the main body housing 20 is changed, and for example, the thumb of the right hand is put on the engaging surface 11c ′ and pressed, and the release operation lever 18a is slid in the release direction by the index finger of the right hand. Even in this case, the direction C of the force applied when the release operation lever 18a is slid in the release direction and the direction D of the force applied when pressing the battery unit 10 through the engagement notch 40 intersect each other. Will come to do. Accordingly, in this case as well, the operating force can be efficiently transmitted to the battery unit 10, and the battery unit 10 can be pulled up and easily removed from the main body housing 20 even when operated with only the right hand. Become.

  Of course, it is also possible to remove the battery unit 10 with both hands like a general notebook PC. In this case, the front side surface 11c of the unit main body 11 is close to the outer surface 11a and is pressed with a finger or nail of the right hand on a portion located on the left end surface 11e side of the left tongue surface 12b of the tongue piece 12 The release operation lever 18a may be slid in the release direction with the left hand while the auxiliary release operation lever 18b is slid in the release direction with the right hand and the left hand finger or nail is applied to the engaging surface 11c 'and pressed. Anyway.

  In the embodiment described above, the notebook PC is exemplified as the electronic device. However, the housing has a housing recess on the bottom surface, and the battery unit can be detachably attached to the housing recess. The electronic device is not necessarily a notebook PC.

  In the above-described embodiment, the front side surface 11c located at one side edge of the battery unit 10 is exposed to the outside as the engagement surface 11c ′ by forming the engagement notch 40 only in the main body housing 20. However, only the battery unit may be provided with an engagement notch to expose the engagement surface, or both may be provided with an engagement notch to expose the engagement surface.

It is an external view which shows the bottom face of the electronic device which is embodiment of this invention. It is a figure which shows the state which removed the battery unit from the main body housing | casing in the electronic device shown in FIG. It is a cross-sectional side view of the electronic device shown in FIG. FIG. 4 is a cross-sectional side view illustrating a state in which the battery unit is attached to and detached from the housing recess of the main body housing in the electronic device illustrated in FIG. 3. It is a perspective view which shows the battery unit of the electronic device shown in FIG. FIG. 2 is a perspective view illustrating a main part of a main body housing in the electronic device illustrated in FIG. 1. FIG. 2 is an explanatory diagram conceptually illustrating a state in which the battery unit is removed from the housing recess of the main body housing in the electronic device illustrated in FIG. 1. FIG. 2 is an explanatory diagram conceptually showing a state in the middle of housing a battery unit in a housing recess of the main body housing in the electronic device shown in FIG. 1. FIG. 2 is an explanatory diagram conceptually showing a state in the middle of housing a battery unit in a housing recess of the main body housing in the electronic device shown in FIG. 1. FIG. 2 is an explanatory diagram conceptually showing a state in which a battery unit is housed in a housing recess of the main body housing in the electronic device shown in FIG. 1. It is a figure which shows the operation example in the case of removing a battery unit from a main body housing | casing with the left hand in the electronic device shown in FIG. It is a figure which shows the operation example in the case of removing a battery unit from a main body housing | casing with the right hand in the electronic device shown in FIG.

Explanation of symbols

10 Battery unit 11c ' engagement surface (hook surface)
12 tongue piece 13 fixed locking part (locking means)
16 Locking Protrusion 18a Release Operation Lever 20 Main Body Housing 21 Bottom View 30 Containing Recess 40 Engagement Notch (Hook Notch)
60 Movable locking part (locking means)

Claims (2)

A battery unit having a rectangular parallelepiped shape, and a main body housing having a housing recess for housing the battery unit on the bottom surface, the engagement unit being configured between one side edge of the battery unit and the main body housing. In the electronic device in which the battery unit is detachably attached to the housing recess of the main body casing by locking the stopping means,
An outer surface formed on the main body casing and positioned at one side edge of the battery unit in a state where the battery unit is mounted in a housing recess of the main body casing is partially used as a hooking surface for hooking a finger. A notch for hooking exposed to the outside,
When the battery unit is slidably disposed on the outer surface exposed to the outside of the battery unit so as to be substantially parallel to the hooking surface, the locking means is locked when the battery unit is slid along a direction close to the hooking surface. And a release control lever to release the state,
The battery unit has a thin plate-like tongue piece portion having a length smaller than the entire width of the one side edge portion at a portion which is an intermediate position in the one side edge portion,
The outer surface of the battery unit is hooked by forming a concave hooking notch portion having a length longer than the tongue piece at a portion corresponding to the tongue piece of the battery unit on the bottom surface of the main body housing. An electronic device characterized by being exposed to the outside.   The hooking notch and the tongue piece are configured in such a manner that the tongue piece is arranged at the center of the hooking notch, and the battery unit is biased to one end of the tongue piece. The release operation lever is arranged at a position, and when the release operation lever is slid along the direction of approaching the hooking surface of the battery unit exposed to the outside on the biased side, the engagement means is engaged. The electronic device according to claim 1, wherein the stopped state is released.

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