JP2019083104A - Charging auxiliary box - Google Patents

Abstract

To provide a charging auxiliary box capable of mounting a secondary battery having an outer shape different from the outer shape of the secondary battery which can be charged with a charging device, and which is used for being mounded to the charging device.SOLUTION: A charging auxiliary box 20 is provided on any one of surfaces of a housing body 21, and comprises a projection part 7 having a projection first terminal 12 and a projection second terminal 13. The charging auxiliary box comprises: a third inner terminal 8 conducted with the projection first terminal 12; a fourth inner terminal 10 conducted with the projection second terminal 13; and an opening part 14 in at least one of the surfaces of the housing body 21. At least one part of a distance L5 between the third inner terminal 8 and the fourth inner terminal 10 is longer than a distance L2 between the projection first terminal 12 and the projection second terminal 13. At least one of distances W4 and W5 within the distance between a fifth inner surface 18 and a sixth inner surface 19 is longer than a dimension W2 in a direction connecting a fifth direction with a sixth direction in the projection part 7.SELECTED DRAWING: Figure 1

Description

  BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a charging auxiliary box that is detachable from a charger for charging a dry cell rechargeable battery.

  Conventionally, a charger for charging standard batteries such as AA batteries and AAA batteries is known. For example, in the charger described in Patent Document 1, a secondary battery having a standard size, which is the same outer shape as a dry battery such as AA battery, is mounted and charged.

JP 2005-151740 A

  However, the rechargeable battery of the conventional example can be mounted only with a secondary battery of a standard size that is the same outer shape as the AA battery of a predetermined standard, for example, the same outer shape as a single battery or a single battery It is not possible to install a secondary battery of a certain standard size. When trying to charge secondary batteries of different external shapes, it is necessary to prepare another charger, which is economically inefficient.

  An object of the present invention is to provide a charge assisting box capable of mounting a secondary battery having an external shape different from the external shape of the rechargeable battery which can be charged by the charger, and for mounting the battery on the battery. It is to be.

  The charging auxiliary box according to the present invention includes a first distance connecting a first direction and a second direction opposite to the first direction, and a third direction orthogonal to the first direction and the second direction. A second distance connecting the fourth direction which is the opposite direction to the third direction, a fifth direction which is orthogonal to the first direction and the third direction, and a direction which is the opposite direction to the fifth direction A third distance connecting the six directions, the outer surface on the first direction side being a first surface, the outer surface on the second direction side being a second surface, and the outer surface on the third direction side being a third A box-shaped housing body in which the outer surface on the fourth direction side is the fourth surface, the outer surface on the fifth direction side is the fifth surface, and the outer surface on the sixth direction side is the sixth surface; The projection first terminal having conductivity at the end in the third direction and the conductivity at the end in the fourth direction are provided on any surface of the housing body. A third inner terminal electrically connected to the first protrusion terminal, and a third inner surface which is an inner side of the third surface, and a second inner surface of the fourth surface The fourth inner side is provided with a fourth inner side electrically connected to the protrusion second terminal, and an opening is formed in at least one side of the housing body, and the distance between the third inner side and the fourth inner side At least a part of them is longer than the distance between the projecting first terminal and the projecting second terminal, and the fifth inner surface which is the inner side of the fifth surface and the inner side of the sixth surface It is characterized in that at least a part of the distance to the sixth inner side surface is longer than the dimension of the direction in which the fifth direction and the sixth direction are connected in the protrusion.

  In this case, at least a part of the distance between the third inner terminal and the fourth inner terminal of the charging auxiliary box is longer than the distance between the protruding first terminal and the protruding second terminal. Therefore, a battery of a dry cell size longer than the distance between the two terminals of the protrusion 7 can be accommodated in the length direction. In addition, at least a part of the distance between the fifth inner surface, which is the inner side of the fifth surface, and the sixth inner surface, which is the inner side of the sixth surface, connects the fifth direction and the sixth direction in the protrusion. Longer than the dimension of the direction. Therefore, a battery of a dry cell size larger than the protrusion in the width direction or the radial direction can be accommodated. The charging auxiliary box can attach the protrusion to the charger, and can attach a rechargeable battery larger than the protrusion. It is possible to provide a charging auxiliary box capable of charging a large size rechargeable battery that can not be charged by the charger.

  In the charge assist box, a distance between the protruding second terminal and the fourth surface may be longer than a distance between the protruding first terminal and the third surface.

  In this case, since the protrusion is provided on the third direction side of the central position in the third direction and the fourth direction, the protrusion is provided between the protrusion second terminal and the fourth surface. The outer surface can be a seating surface when attached to the charger. It is possible to stably maintain the attached state when the charge assist box containing the dry cell type rechargeable battery having a certain weight is attached to the charger.

  The auxiliary charging box includes an opening on the first surface, and a first storage portion on the first direction side in a direction connecting the first direction and the second direction, and the second auxiliary direction The second storage unit is provided on the side, and the first storage unit includes a fifth inner first wall of the fifth inner side surface, a sixth inner first wall of the sixth inner side surface, and the second inner side wall. From the stepped portion projecting in the first direction from the second inner side which is the inner side of the surface, the third inner first terminal of the third inner terminal, and the fourth inner first terminal of the fourth inner terminal The second storage portion includes a fifth inner second wall of the fifth inner side surface, a sixth inner second wall of the sixth inner side surface, the second inner side surface, and the third inner side surface. A third inner second terminal portion in the inner terminal and a fourth inner second terminal portion in the fourth inner terminal, and the front in the first storage portion The distance between the fifth inner first wall and the sixth inner first wall is larger than the distance between the fifth inner second wall and the sixth inner second wall in the second storage portion The distance between the third inner first terminal portion and the fourth inner first terminal portion is larger than the distance between the third inner second terminal portion and the fourth inner second terminal portion. May be

  In this case, the charging auxiliary box has an opening on the first surface, and the first storage portion and the second storage portion in the direction connecting the first direction and the second direction, and the first storage portion is the second storage portion. A large size dry cell rechargeable battery can be accommodated in the so-called length direction and width direction with respect to the part. Since the opening is provided on the side of the first direction and the second storage is provided on the side of the second direction, the charge assist box can be equipped with two dry cell type rechargeable batteries of different sizes.

  In the charge auxiliary box, the fourth inner second terminal portion may be formed closer to the second direction than the step portion in a direction connecting the first direction and the second direction. In this case, when the battery type rechargeable battery is inserted into the first storage section from the first surface side, the fourth inner second terminal portion of the fourth inner terminal does not contact the battery type rechargeable battery, so that deformation can be prevented. .

  In the third and fourth directions, the second storage portion may be biased toward the third direction and may be biased in the same direction as the protrusion in the third direction and the fourth direction. In this case, since the projecting portion and the second storage portion are biased in the same direction, when the charging auxiliary box is mounted on the charger, it can be prevented from being inclined and a stable mounting state is maintained.

  The protrusion may be provided on the second surface of the housing body. In this case, since the protrusions are arranged in the same direction as the dry cell type rechargeable battery inserted in the auxiliary charge box in the direction connecting the first direction and the second direction, the state when the auxiliary charge box is attached to the charger is stable. Do.

  The protruding portion of the auxiliary charging box can be attached to a charger capable of charging a dry cell type rechargeable battery, and one charger-side first terminal of the charger is in contact with the protruding first terminal. The other charger-side second terminal of the charger and the projecting second terminal may be in contact with each other, and may be conductive with the inserted dry cell rechargeable battery. In this case, the battery pack can be charged by the battery charger when the battery pack is inserted into the battery charger.

It is a perspective view showing the whole charging auxiliary box 20, and is a figure which put together from the first direction the sixth direction, and the first surface 1 to the sixth surface 6. It is A view in FIG. It is the cross section D-D in FIG. It is E perspective view in FIG. 3, Comprising: It is the figure which changed direction of the perspective view with FIG. It is a figure which inserted the dry cell type rechargeable battery in the charge auxiliary box 20 with respect to FIG. 3, (a) is a figure which inserted the single type rechargeable battery in the 1st storage part 30, (b) is a 2nd storage It is the figure which inserted the single rechargeable battery in the part. It is B view in FIG. FIG. 7 is a view showing a state in which the charging auxiliary box 20 is attached to the charger 52. It is section F-F of FIG.

  Hereinafter, a charge assisting box 20 embodying the present invention will be described with reference to the drawings. The outline of the charging auxiliary box 20 will be described with reference to FIGS. 1 and 3. One of the up and down directions toward the paper surface is the first direction, and the direction opposite to the first direction is the second direction. As an example, the direction connecting the first direction and the second direction can be a so-called height direction. The direction perpendicular to the first direction and the second direction, which is the upper right direction toward the paper surface, is the third direction. The direction opposite to the third direction is the fourth direction. As an example, the direction connecting the third direction and the fourth direction can be a so-called length direction. The fifth direction is a direction orthogonal to the first direction and the third direction, which is the lower right direction toward the paper surface, and the sixth direction is the direction opposite to the fifth direction. As an example, the direction connecting the fifth direction and the sixth direction can be a so-called width direction. Further, the upper surface toward the paper surface is the first surface 1, and the surface facing the first surface 1 is the second surface 2. The surface on the right side in the drawing is the third surface 3, and the surface facing the third surface 3 is the fourth surface 4. The surface on the lower right side toward the paper surface is the fifth surface 5, and the surface facing the fifth surface 5 is the sixth surface 6. The first surface 1 to the sixth surface 6 all show the outer surface. The charging auxiliary box 20 includes a box-shaped housing body 21 having a rectangular parallelepiped shape, the projecting portion 7, the projecting first terminal 12, the projecting second terminal 13, the third inner terminal 8, and the fourth inner terminal 10. Equipped with Electrical connection is established between the projecting first terminal 12 and the third inner terminal 8. Moreover, the protrusion second terminal 13 and the fourth inner terminal 10 are electrically connected. The housing body 21 is formed of an insulating material, and a resin material is used as an example. The housing body 21 has a first distance H in the height direction, a second distance L in the length direction, and a third distance W in the width direction.

  The inside of the charging auxiliary box 20 will be described with reference to FIGS. 1 to 5. As shown in FIGS. 1 and 3, the third inner terminal 8 is attached to the third inner surface 16 which is the inner surface of the third surface 3. As shown in FIGS. 3 and 4, the fourth inner terminal 10 is attached to the fourth inner surface 17 which is the inner surface of the fourth surface 4.

  As shown in FIGS. 1 to 4, the housing body 21 of the charge assist box 20 includes a first storage portion 30 and a second storage portion 31. The first storage portion 30 is located on the side of the second storage portion 31 in the first direction. In the first storage portion 30, a direction connecting the fifth direction and the sixth direction is a part of the fifth inner first wall 18a which is a part of the fifth inner side surface 18 and a sixth inner side which is a part of the sixth inner side 19 It is formed by the first wall 19 a, the side in the second direction is formed by the step 33, and the side in the first direction is the opening 14. The first storage portion 30 is formed by the third inner first terminal portion 8a and the third inner side surface 16 of the third inner terminal 8 at the third direction side, and the fourth inner side of the fourth inner terminal 10 at the fourth direction side. The first terminal portion 10 a and the fourth inner side surface 17 are formed. As shown in FIG. 4, notches 23 and 24 are provided on the fifth surface 5 and the sixth surface 6, respectively. The notches 23 and 24 are formed so as to include a part of the first storage part 30 and the second storage part 31. The notches 23 and 24 are for inserting a finger when inserting and removing the dry cell type rechargeable battery into the first storage portion 30 and the second storage portion 31.

  As shown in FIGS. 1 to 4, in the second accommodation portion 31, the direction connecting the fifth direction and the sixth direction is formed by the fifth inner second wall 18 b and the sixth inner second wall 19 b, and The side of the direction is formed by the second inner surface 15 and the side of the first direction is the opening 14. The second storage portion 31 is formed by the third inner second terminal portion 8b of the third inner terminal 8 and the third inner side surface 16 in the third direction, and the fourth inner side is the fourth inner side of the fourth inner terminal 10. It is formed of the second terminal portion 10 b and the fourth inner wall 34.

  As shown in FIGS. 1 and 2, the fifth inner first wall 18 a and the fifth inner second wall 18 b in the fifth inner side surface 18 are continuously connected. The fifth inner first wall 18a has a curved surface corresponding to the shape of the dry cell type rechargeable battery (a single type rechargeable battery 50 described later) to be inserted. A curved surface is formed corresponding to the shape of the dry cell rechargeable battery (a single rechargeable battery 51 described later) into which the fifth inner second wall 18b is also inserted. The joint between the fifth inner first wall 18a and the fifth inner second wall 18b is connected in an arc shape so as not to be scratched when the dry cell type rechargeable battery is inserted. The sixth inner first wall 19a and the sixth inner second wall 19b of the sixth inner surface 19 are formed to have an object shape with the fifth inner surface 18. The fifth inner surface 18 and the sixth inner surface 19 are formed in two places with the notches 23 and 24 respectively, but the shapes are the same.

  As shown in FIGS. 3 and 4, the step 33 is formed to project in the third direction from the fourth inner side surface 17. The step portion 33 is formed in an arc shape in accordance with the shape of a dry cell type rechargeable battery (a single type rechargeable battery 50 described later) to be inserted into the first storage portion 30. When the dry cell type rechargeable battery is inserted into the first storage portion 30, the stepped portion 33 serves as a receiving surface on the second direction side.

  As shown in FIG. 3, the third inner terminal 8 is integrally formed with the projecting first terminal 12, the third inner first terminal portion 8a is formed on the first direction side, and the third inner terminal 8 is formed on the second direction side. The second terminal portion 8 b is formed. The third inner first terminal portion 8a and the third inner second terminal portion 8b are both formed in a planar shape, and the third inner second terminal portion 8b is on the third direction side with respect to the third inner first terminal portion 8a. I am depressed.

  As shown in FIG. 3, the fourth inner terminal 10 is integrally formed with the projecting second terminal 13, and the fourth inner first terminal portion 10a is formed on the first direction side, and the fourth inner terminal 10 is formed on the fourth direction side. An inner second terminal portion 10 b is formed. Each of the fourth inner first terminal portion 10a and the fourth inner second terminal portion 10b has a V-like shape, and the tip thereof is bent in the fourth direction to be elastically deformable. The fourth inner second terminal portion 10b is on the third direction side with respect to the fourth inner first terminal portion 10a, and corresponds to the length of the single rechargeable battery 51 as described later. The fourth inner second terminal portion 10 b is formed by bending and raising a part of the fourth inner terminal 10. The fourth inner second terminal portion 10b is closer to the second direction than the step portion 33 and does not fly out in the first direction. The fourth inner first terminal portion 10 a is formed by folding back the tip of the fourth inner terminal 10.

  As shown in FIGS. 2, 3 and 5, the sizes of the battery-type rechargeable batteries that can be stored in the first storage portion 30 and the second storage portion 31 are different. As shown in FIG. 2, the distance W5 between the fifth inner first wall 18 a and the sixth inner first wall 19 a of the first storage portion 30 is the distance between the fifth inner second wall 18 b and the sixth inner wall 18 b of the second storage portion 31. It is larger than the distance W4 with the inner second wall 19b. As shown in FIG. 3, the distance L 5 between the third inner first terminal portion 8 a of the first housing portion 30 and the fourth inner first terminal portion 10 a is the third inner second terminal portion of the second housing portion 31. The distance L4 between 8b and the fourth inner second terminal portion 10b is larger. Therefore, the size of the dry cell type rechargeable battery that can be inserted into the first storage portion 30 is larger than the size of the dry cell type rechargeable battery that can be inserted into the second storage portion 31. As an example, a single storage battery type rechargeable battery can be inserted into the first storage section 30, and a single storage battery type rechargeable battery can be inserted into the second storage section 31.

  FIG. 5A shows a state in which the single-type rechargeable battery 50 is inserted into the first storage unit 30. FIG. 5B shows a state in which the single rechargeable battery 51 is inserted into the second storage section 31. As shown in FIG. As shown in FIG. 5 (a), in the single type rechargeable battery 50, the single type rechargeable battery positive side terminal 57 contacts the third inner first terminal portion 8a, and the single type rechargeable battery negative side terminal 58 Contact with the fourth inner first terminal portion 10a. In addition, the single-type rechargeable battery 50 contacts the step 33. The fourth inner first terminal portion 10 a elastically deforms in the fourth direction according to the length dimension of the single-type rechargeable battery 50.

  As shown in FIG. 5 (b), the AA rechargeable battery positive side terminal 59 is in contact with the third inner second terminal portion 8b, and the AA rechargeable battery negative side terminal 60 is a fourth inner second terminal portion Contact with 10b. The fourth inner second terminal portion 10 b is elastically deformed in the fourth direction according to the length dimension of the single rechargeable battery 51. The fourth inner second terminal portion 10 b is closer to the second direction than the step 33. Therefore, as shown to Fig.5 (a), even if it is a case where the single type rechargeable battery 50 is inserted in the 1st accommodating part 30, the single type rechargeable battery 50 is a 4th inner side 2nd terminal part 10b. Do not touch Therefore, it is possible to prevent the fourth inner second terminal portion 10b from being deformed.

  Next, the protrusion 7 will be described with reference to FIGS. 3 and 5. As shown in FIG. 3, the protrusion 7 is provided on the second surface 2. However, the provision of the second surface 2 is an example, and may be provided on another surface. The protruding portion first terminal 12 is provided on the side in the third direction, and the protruding second terminal 13 is provided on the side in the fourth direction. The protrusion 7 is provided to be biased to the third direction side in the third direction and the fourth direction. The protruding first terminal 12 is a so-called positive side terminal, and the protruding second terminal 13 is a so-called negative side terminal. Similar to the plus terminal of the dry cell, the protrusion first terminal 12 is formed with a cylindrical protrusion. The projection second terminal 13 is formed in the same plane as the negative terminal of the dry cell. As shown in FIG. 3, the projecting first terminals 12 are integrally formed with the third inner terminals 8 and electrically conducted. The protruding second terminals 13 are integrally formed with the fourth inner terminals 10 and electrically conducted. The projecting first terminal 12 and the third inner terminal 8, and the projecting second terminal 13 and the fourth inner terminal 10 do not necessarily have to be integrally formed, and are separately formed and electrically conducted. Just do it.

  As shown in FIG. 3, the protrusion 7 is provided to be biased to the third direction side in the third direction and the fourth direction. The distance between the projection first terminal 12 and the third surface 3 is L1, the distance between the projection first terminal 12 and the projection second terminal 13 is L2, and the distance between the projection second terminal 13 and the fourth surface 4 Is L3, L3 is longer than L1. In the example shown in FIG. 3, L2 is longer than L3 and L1.

  As shown in FIG. 6, the dimension H2 in the direction connecting the first direction and the second direction of the protrusion 7 is longer than the dimension W2 in the direction connecting the fifth direction and the sixth direction of the protrusion 7. The dimension W2 is formed in accordance with the size of the rechargeable battery mounted on the charger 52, and is, for example, the same as or smaller than the diameter of the AA battery. Since the dimension H2 is longer than the dimension W2, when the auxiliary charging box 20 is attached to the AA rechargeable battery insertion portion 54 of the charger 52, the projection first terminal 12 and the charger side first terminal 55 make contact The protruding second terminal 13 and the charger-side second terminal 56 are in contact with each other (see FIG. 8 described later). Further, the tip end portion on the second direction side of the protrusion 7 has an arc shape with a diameter of approximately W2, and has the same shape as the dry cell type rechargeable battery.

  With reference to FIGS. 7 and 8, a state in which the charging auxiliary box 20 is attached to the charger 52 will be described. The charger 52 shown as an example in FIG. 7 is provided with a plurality of AA rechargeable battery insertion portions 54, and can simultaneously charge a plurality of AA rechargeable batteries. An LCD 53 is provided as a display unit on the side of the charger 52 in the third direction, and a description of the charging method, the progress of charging, and the like are displayed. The charging auxiliary box 20 is attachable to one of the AA rechargeable battery insertion parts 54 of the charger 52. The charging auxiliary box 20 is mounted at a position where the third surface 3 faces the third direction and the fourth surface 4 faces the fourth direction.

  FIG. 8 is a cross section F-F in FIG. As shown in FIG. 8, the fourth side seating surface 36 of the second surface 2 of the charging support box 20 contacts the flat portion 62 of the charger 52 on the fourth direction side. Although the second surface 2 and the charger 52 are also in contact on the side of the third direction, the dimension of contact in the direction connecting the third direction and the fourth direction is shorter than that on the side of the fourth direction. Since the third surface 3 is on the fourth direction side of the LCD 53, the display of the LCD 53 is not disturbed.

  Next, a method and a procedure for mounting the dry cell type rechargeable battery on the charging auxiliary box 20 and mounting it on the charger 52 will be described. FIG. 5A is a view for explaining a state in which the single-type rechargeable battery 50 is attached to the charge assist box 20. FIG. The single-type rechargeable battery 50 is inserted from the first surface 1 provided with the opening 14. The third inner first terminal portion 8 a of the third inner terminal 8 is a positive side terminal and is in contact with the single-type rechargeable battery positive side terminal 57. The fourth inner first terminal portion 10 a of the fourth inner terminal 10 is a negative side terminal, and contacts the unitary rechargeable battery negative side terminal 58. The single-type rechargeable battery 50 has the first storage portion 30 such that the single-type rechargeable battery positive side terminal 57 is on the third direction side and the single-type rechargeable battery negative side terminal 58 is on the fourth direction. Attach to The distance L5 between the third inner first terminal portion 8a of the first storage portion 30 and the fourth inner first terminal portion 10a shown in FIG. 3 is a single type rechargeable battery positive side terminal of the single type rechargeable battery 50. It is set corresponding to the distance between 57 and the single-type rechargeable battery negative terminal 58.

  FIG. 5B is a view for explaining a state in which the single rechargeable battery 51 is attached to the charge assist box 20. As shown in FIG. The AA rechargeable battery 51 is inserted from the first surface 1 provided with the opening 14. The third inner second terminal portion 8 b of the third inner terminal 8 is a positive side terminal, and is in contact with the single 2D rechargeable battery positive side terminal 59. The fourth inner second terminal portion 10 b of the fourth inner terminal 10 is a negative side terminal, and is in contact with the AA rechargeable battery negative side terminal 60. The second storage portion 31 of the AA rechargeable battery 51 has the AA rechargeable battery positive side terminal 59 on the third direction side and the AA rechargeable battery negative side terminal 60 on the fourth direction side. Attach to A distance L4 between the third inner second terminal portion 8b of the second storage portion 31 and the fourth inner second terminal portion 10b shown in FIG. It is set corresponding to the distance between the battery pack 59 and the rechargeable battery negative terminal 60.

  7 and 8 show a state in which the charging auxiliary box 20 is attached to the charger 52. FIG. The charger side first terminal 55 of the charger 52 corresponds to a plus terminal, and the charger side second terminal 56 corresponds to a minus terminal. The charger 52 of the example shown in FIG. 7 is provided with a plurality of AA rechargeable battery insertion parts 54 in parallel, and can be charged by attaching a plurality of AA rechargeable batteries at the same time. In addition, instead of the AA rechargeable battery insertion part 54, the AAA rechargeable battery insertion part may be provided so that a AAA rechargeable battery may be inserted. An LCD 53 is provided as a display unit on the third direction side of the AA rechargeable battery insertion unit 54. In addition, the charger 52 has shown an example and it is possible to mount | wear and use the charging auxiliary box 20 to the charger marketed versatile.

  The charging auxiliary box 20 is mounted such that the third surface 3 is on the third direction side and the fourth surface 4 is on the fourth direction side with respect to the charger 52. As shown in FIG. 8, the projecting first terminal 12 of the charging auxiliary box 20 and the charger-side first terminal 55 contact each other, and the projecting second terminal 13 of the charging auxiliary box 20 and the charger-side second terminal 56 And contact. The third side seating surface 35 of the charging auxiliary box 20 is mounted on the flat surface portion 61 of the charger 52, and the fourth side seating surface 36 is mounted on the flat surface portion 62 of the charger 52. The area in which the fourth side seating surface 36 which is the fourth direction side is placed on the flat portion 62 of the charger 52 is wider than the third direction side. Therefore, when the charging auxiliary box 20 is attached to the charger 52, the display contents can be viewed without the charging auxiliary box 20 covering the LCD 53. The AA rechargeable battery insertion portion depth R is deeper than the dimension H2 in the direction connecting the first direction and the second direction in the protrusion 7. Therefore, the end on the second direction side of the protrusion 7 does not contact the AA rechargeable battery insertion portion 54 of the charger 52.

  Next, the effect of the charging auxiliary box 20 will be described. As shown in FIG. 1, the charging auxiliary box 20 has a first distance H connecting a first direction and a second direction opposite to the first direction, and a first distance H perpendicular to the first direction and the second direction. It has a second distance L connecting three directions and a fourth direction which is the opposite direction to the third direction. The charging auxiliary box 20 has a third distance W connecting a fifth direction orthogonal to the first direction and the third direction, and a sixth direction opposite to the fifth direction. The charging auxiliary box 20 has an outer surface on the side in the first direction as the first surface 1, an outer surface on the side in the second direction as the second surface 2, an outer surface on the side in the third direction as the third surface 3, a side in the fourth direction The outer surface of the housing 4 is a fourth surface 4, the outer surface of the fifth direction is a fifth surface 5, and the outer surface of the sixth direction is a sixth surface 6. As shown in FIG. 3, the protrusion first terminal 12 provided on any surface of the housing body 21 and having conductivity at the end in the third direction, and the protrusion having conductivity at the end in the fourth direction And a projecting portion 7 having a second terminal 13. A third inner terminal 8 electrically connected to the first projection terminal 12 is provided on the third inner side surface 16 which is the inner side of the third surface 3, and a fourth inner side surface 17 which is the inner side of the fourth surface 4. A fourth inner terminal 10 electrically connected to the terminal 13 and an opening 14 in at least one surface of the housing body 21 are provided. The distance L5 of at least a part of the distance between the third inner terminal 8 and the fourth inner terminal 10 is longer than the distance L2 between the projecting first terminal 12 and the projecting second terminal 13. As shown in FIGS. 2 and 6, at least a portion of the distance W4 of the distance between the fifth inner surface 18 inside the fifth surface 5 and the sixth inner surface 19 inside the sixth surface 6 , W5 are longer than the dimension W2 in the direction connecting the fifth direction and the sixth direction in the protrusion 7. Here, the distance L5 corresponds to "at least a part of the distance between the third inner terminal and the fourth inner terminal". The distance L2 corresponds to "the distance between the projecting first terminal and the projecting second terminal". The distance W4, W5 of at least part of the distance to the sixth inner surface 19 which is the inner side of the sixth surface 6 is “the fifth inner surface which is the inner side of the fifth surface, and the inner side of the sixth surface It corresponds to "at least a part of the distance to the inner side surface".

  In this case, at least a portion of the distance between the third inner terminal 8 and the fourth inner terminal 10 in the charging auxiliary box 20 is the distance between the first protruding terminal 12 and the second protruding terminal 13. Longer than L2. Therefore, a battery of a dry cell size longer than the distance L2 between the protrusion first terminal 12 and the protrusion second terminal 13 which is the distance between the two terminals of the protrusion 7 in the length direction can be accommodated. Further, at least a part of the distances W4 and W5 in the distance between the fifth inner side surface 18 which is the inside of the fifth surface 5 and the sixth inner side surface 19 which is the inner side of the sixth surface 6 It is longer than the dimension W2 in the direction connecting the fifth direction and the sixth direction. Therefore, a battery having a size larger than that of the protrusion 7 can be accommodated in the width direction or the radial direction.

  Generally, the size of the dry cell type rechargeable battery tends to be often used in the form of AA or AAA depending on the frequency of use. Therefore, many of the chargers also correspond to AA size or AAA size. Conventionally, when trying to charge a single-sized or single-sized rechargeable battery, it has been necessary to prepare a dedicated charger although the frequency of use is not so high as compared with the AA-sized size. In addition, since the single-sized charger tends to be large, there is a problem that storage is difficult. The charge auxiliary box 20 solves this problem, and may be attached to the AA size charger 52 when charging a single size or single size rechargeable battery. That is, the battery pack can be attached to a charger 52 or the like for charging a small size rechargeable battery, and can be charged to a large size rechargeable battery that can not be charged by the charger 52 or the like.

  As shown in FIG. 3, in the charging auxiliary box 20, the distance L3 between the protruding second terminal 13 and the fourth surface 4 is longer than the distance L1 between the protruding first terminal 12 and the third surface 3 (L3 > L1). In this case, since the protrusion 7 is provided on the third direction side more than the center position in the third direction and the fourth direction, the protrusion is provided between the protrusion second terminal 13 and the fourth surface 4 The fourth side seating surface 36 when the surface on which 7 is provided is attached to the charger 52 can be used. Therefore, when the single-type rechargeable battery 50 having a certain weight and the charge assisting box 20 housing the single-type rechargeable battery 51 are attached to the charger 52, the attached state can be stably maintained.

  As shown in FIGS. 2 to 4, the auxiliary charging box 20 has an opening 14 in the first surface 1, and the first storage portion on the first direction side in the direction connecting the first direction and the second direction. The second storage unit 31 is provided on the side of the second direction. The first storage portion 30 is a second inner side wall 18 a of the fifth inner side wall 18 a, a sixth inner side first wall 19 a of the sixth inner side wall 19, and a second inner side of the second side 2. It consists of the step part 33 which protruded in the 1st direction from the inner surface 15. As shown in FIG. Furthermore, the first housing portion 30 includes the third inner first terminal portion 8 a of the third inner terminal 8 and the fourth inner first terminal portion 10 a of the fourth inner terminal 10. The second storage portion 31 includes the fifth inner second wall 18 b of the fifth inner side surface 18 and the sixth inner second wall 19 b of the sixth inner side surface 19, and the second inner side surface 15. Furthermore, the second housing portion 31 includes the third inner second terminal portion 8 b of the third inner terminal 8 and the fourth inner second terminal portion 10 b of the fourth inner terminal 10. The distance W5 between the fifth inner first wall 18a and the sixth inner first wall 19a in the first storage portion 30 is equal to the distance between the fifth inner second wall 18b and the sixth inner second wall 19b in the second storage portion 31. And the distance between W and W4. The distance L5 between the third inner first terminal portion 8a and the fourth inner first terminal portion 10a is greater than the distance L4 between the third inner second terminal portion 8b and the fourth inner second terminal portion 10b. large.

  In this case, the charging auxiliary box 20 has the opening 14 in the first surface 1 and the first storage portion 30 and the second storage portion 31. The first storage portion 30 has a so-called length with respect to the second storage portion 31. A large size dry battery type rechargeable battery can be accommodated in the direction and width direction. The opening portion 14 is provided on the side of the first direction, and the second storage portion 31 is provided on the side of the second direction. Therefore, the charge assist box 20 can mount two dry cell type rechargeable batteries having different sizes. Since the charge assist box 20 can be equipped with dry cell type rechargeable batteries of two sizes, it is not necessary to prepare a plurality of charge assist boxes. Since the opening 14 is formed in the first surface 1, the so-called back side of the charging auxiliary box 20 is the second storage 31. The so-called width direction of the first storage portion 30 is restricted by forming the second storage portion 31 having a small size on the back side, the second direction side, and forming the first storage portion 30 on the first direction side. In order to do this, the fifth inner surface 18 and the sixth inner surface 19 can be provided with steps. Therefore, while being able to form the 1st storage part 30 and the 2nd storage part 31, the dry battery type rechargeable battery of two sizes can be attached or detached.

  As shown in FIGS. 3 and 5, in the auxiliary charging box 20, the fourth inner second terminal portion 10 b of the fourth inner terminal 10 is closer to the first direction and the second direction than the step 33. It is formed on the side of the second direction. In this case, the fourth inner second terminal portion 10 b of the fourth inner terminal 10 is inserted into the single-type rechargeable battery 50 when the single-type rechargeable battery 50 is inserted into the first housing portion 30 from the first surface 1 side. Since there is no contact, deformation can be prevented. Therefore, the charging assistance box 20 can form the 2nd accommodating part 31 in the side of a 2nd direction, and can form the 1st accommodating part 30 in the 1st direction side.

  As shown in FIGS. 3 and 5, in the third and fourth directions, the second storage portion 31 of the auxiliary charging box 20 is biased toward the third direction, and is biased in the same direction as the projecting portion 7. Is provided. In this case, since the projecting portion 7 and the second storage portion 31 are biased in the same direction, when the charging auxiliary box 20 is mounted on the charger 52, it can be prevented from being inclined and a stable mounting state is maintained. When the primary and secondary rechargeable battery 51 is mounted in the second storage portion 31, the primary and secondary rechargeable battery 51 is in substantially the same position as the projecting portion 7 in the third direction and the fourth direction. Is near the center of the protrusion 7. Therefore, the stable state is maintained when the charging auxiliary box 20 is attached to the charger 52. Further, since the second storage portion 31 is provided to be biased to the third direction side, the third inner side surface 16 does not need to have the step portion 33. Therefore, since the third inner terminal 8 can be formed along the third inner surface 16, the third inner surface 16 and the third inner terminal 8 can be used when attaching / removing the rechargeable battery 51 to / from the auxiliary charging box 20. It can be attached and detached smoothly without getting caught in the.

  As shown in FIG. 1 and FIG. 3, the auxiliary charging box 20 is provided with a protrusion 7 on the second surface 2 of the housing body 21. In this case, since the protrusions 7 are arranged in the same direction as the dry cell type rechargeable battery inserted in the charge auxiliary box 20 in the direction connecting the first direction and the second direction, when the charge auxiliary box 20 is attached to the charger 52 The state of is stabilized.

  As shown in FIG. 7 and FIG. 8, in the charge auxiliary box 20, the protrusion 7 can be attached to the charger 52 capable of charging AA rechargeable battery, and one charger side first terminal of the charger 52 is provided. 55 and the protrusion 1st terminal 12 contact. The other charger-side second terminal 56 of the charger 52 is in contact with the projecting second terminal 13. The charger side first terminal 55 and the charger side second terminal 56 can be electrically connected to the single type rechargeable battery 50 and the single rechargeable battery 51 inserted in the first storage portion 30 or the second storage portion 31. is there. In this case, when the single-type rechargeable battery 50 and the single-type rechargeable battery 51 are inserted into the charging auxiliary box 20, the single-type rechargeable battery 50 and the single-type rechargeable battery are mounted by the charger 52 when installed in the charger 52. 51 can be charged.

  In the said embodiment, the charge auxiliary box 20 is an example of the "charge auxiliary box" of this invention. In addition, this invention is not limited to said embodiment, A various change is possible. For example, the charging assistance box 20 may have the protrusion 7 on the fifth surface 5 or the sixth surface 6 of the housing body 21 and the opening 14 on the first surface 1.

  In addition, although the charging auxiliary box 20 is provided to be biased toward the third direction in the direction connecting the third direction and the fourth direction, the present invention is not limited thereto. The protrusion 7 may be provided substantially at the center of the third direction and the fourth direction, or may be provided biased to the fourth direction side. Furthermore, although the protrusion part 7 is provided in the center position in the direction which ties a 5th direction and a 6th direction, it does not restrict to this. The protrusion 7 may be biased to the fifth direction side or may be biased to the sixth direction side.

  Moreover, although the size of the protrusion part 7 assumes the size corresponded to the size of an AA size dry battery, the charge auxiliary box 20 is not restricted to this. The size of the protrusion 7 may correspond to the size of the AAA battery. In that case, the battery charger 52 compatible with the AAA rechargeable battery is attached and charged.

  Moreover, although the 1st accommodating part 30 respond | corresponds to the single type rechargeable battery 50, and the 2nd accommodating part 31 respond | corresponds to the single rechargeable battery 51, it does not restrict to this. The first storage unit 30 may correspond to the single rechargeable battery 50, and the second storage unit 31 may correspond to the AA rechargeable battery. Alternatively, the first storage unit 30 may correspond to the AA rechargeable battery 51, and the second storage unit 31 may correspond to the AA rechargeable battery.

  Moreover, although the charging auxiliary box 20 is provided with two accommodating parts, the 1st accommodating part 30 and the 2nd accommodating part 31, it does not restrict to this. The charging auxiliary box 20 may have only one storage unit. Alternatively, a third storage unit may be further provided and three storage units may be provided.

1 first surface 2 second surface 3 third surface 4 fourth surface 5 fifth surface 6 sixth surface 7 protruding portion 8 third inner terminal 8 a third inner first terminal 8 b third inner second terminal 10 Fourth inner terminal 10a fourth inner first terminal portion 10b fourth inner second terminal portion 12 projecting first terminal 13 projecting second terminal 14 opening 15 second inner surface 16 third inner surface 17 fourth inner surface 18 Fifth inner side 19 sixth inner side 20 charge auxiliary box 21 housing body 30 first storage portion 31 second storage portion 33 step portion 52 charger 55 charger side first terminal 56 charger side second terminal H first distance L Second distance W Third distance

Claims (7)

A first distance connecting a first direction and a second direction opposite to the first direction;
A second distance connecting a third direction orthogonal to the first direction and the second direction, and a fourth direction opposite to the third direction;
And a third distance connecting a fifth direction orthogonal to the first direction and the third direction, and a sixth direction opposite to the fifth direction,
The outer surface of the first direction side is a first surface, the outer surface of the second direction side is a second surface, the outer surface of the third direction side is a third surface, and the outer surface of the fourth direction is a fourth A box-like housing body having an outer surface on the fifth direction side as the fifth surface, and an outer surface on the sixth direction side as the sixth surface;
A protrusion first terminal provided on any surface of the housing body and having conductivity at an end in the third direction; and a protrusion second terminal having conductivity at an end of the fourth direction A protrusion having
A third inner surface which is an inner side of the third surface, and a third inner terminal electrically connected to the projecting first terminal;
A fourth inner side which is an inner side of the fourth side, and a fourth inner side electrically connected to the projection second side;
An opening is provided in at least one surface of the housing body,
At least a part of the distance between the third inner terminal and the fourth inner terminal is longer than the distance between the projecting first terminal and the projecting second terminal,
At least a part of the distance between the fifth inner surface, which is the inner side of the fifth surface, and the sixth inner surface, which is the inner side of the sixth surface, corresponds to the fifth direction and the sixth direction in the projection. And a charging auxiliary box characterized by being longer than the dimension of the connecting direction.   The charging auxiliary box according to claim 1, wherein a distance between the protruding second terminal and the fourth surface is longer than a distance between the protruding first terminal and the third surface. The first surface comprises an opening,
In the direction connecting the first direction and the second direction, the first storage portion is provided on the first direction side, and the second storage portion is provided on the second direction side.
The first storage portion includes a fifth inner first wall of the fifth inner side, a sixth inner first wall of the sixth inner side, and a second inner side which is the inner side of the second side. And a third inner first terminal portion of the third inner terminal and a fourth inner first terminal portion of the fourth inner terminal;
The second storage portion includes a fifth inner second wall of the fifth inner side surface, a sixth inner second wall of the sixth inner side surface, the second inner side surface, and the third inner terminal. And a fourth inner second terminal portion in the fourth inner terminal, and
The distance between the fifth inner first wall and the sixth inner first wall in the first storage portion is the distance between the fifth inner second wall and the sixth inner second wall in the second storage portion. Greater than the distance between
The distance between the third inner first terminal portion and the fourth inner first terminal portion is larger than the distance between the third inner second terminal portion and the fourth inner second terminal portion. The charging assistance box according to claim 1 or 2, characterized in that   The said 4th inner side 2nd terminal part was formed in the side of the said 2nd direction rather than the said step part in the direction which ties the said 1st direction and the said 2nd direction. Charging assistance box.   In the third direction and the fourth direction, the second storage portion is biased toward the third direction, and is biased in the same direction as the projecting portion. Or the charging auxiliary box described in 4.   The said auxiliary | assistant part was provided in the said 2nd surface of the said housing body, The charging auxiliary box in any one of the Claims 1-5 characterized by the above-mentioned.   The projecting portion can be attached to a charger capable of charging a dry cell type rechargeable battery, and one charger-side first terminal of the charger is in contact with the projecting first terminal, and the other of the charger is The charging auxiliary box according to any one of claims 1 to 6, wherein the charger-side second terminal and the protruding second terminal are in contact with each other and can be conducted with the inserted rechargeable battery.

Images