JP4350699B2 - Mobile phone charger and electronic device charger - Google Patents

Description

  The present invention relates to a mobile phone charger and an electronic device charger, and more particularly to an improvement of a charger for charging electronic devices such as a foldable mobile phone and a digital audio player.

  In a mobile phone which is an example of an electronic device, a display housing having a display portion and an operation housing having a large number of operation keys are connected via a hinge portion, and the display housing and the operation housing are connected. There are some that can be folded with their bodies facing each other. As a charger for charging this type of mobile phone, there is one that contacts the surface of the operation housing opposite to the display housing and holds the mobile phone (for example, a patent) Reference 1).

  FIGS. 13A and 13B are diagrams showing a configuration example of a conventional charger 300, where FIG. 13A is a plan view and FIG. 13B is a right side view. 14 is a diagram showing an example of a conventional mobile phone 400 that can be attached to the charger 300 of FIG. 13, wherein (a) is a plan view, (b) is a front view, and (c) is a rear view. Is shown. FIG. 15 is a right side view of charger 300 in a state where mobile phone 400 is held. Here, the lower side in FIGS. 13A and 14A will be described as the front, the upper side as the rear, the left side as the left side, and the right side as the right side.

  In the mobile phone 400 shown in FIG. 14, a display housing 401 having a display portion and an operation housing 402 on which a large number of operation keys are arranged are connected via a hinge portion 403 at the rear end portion. As shown in FIG. 14, the cellular phone 400 can be folded with the surface of the display housing 401 on which the display unit is formed and the surface of the operation housing 402 on which the operation keys are arranged facing each other. In the folded state, it becomes a rectangular shape.

  A pair of left and right electrodes 425 is formed on the front end surface of the operation housing 402, and power can be supplied to the mobile phone 400 from the outside via these electrodes 425 so that charging can be performed. Yes. A pair of recesses 429 for engaging with the charger 300 is formed on the front end surface outside the pair of electrodes 425. In addition, a single recess 430 for engaging with the charger 300 is formed at the center of the rear end surface of the operation housing 402.

  The charger 300 shown in FIG. 13 is formed in a substantially rectangular shape in plan view, and its upper surface 301 is an inclined surface inclined at a predetermined angle with respect to the horizontal plane. An upper surface 301 of the charger 300 is formed so as to become lower toward the front side, and a wall surface 303 is formed so as to protrude upward from both left and right sides at the front end portion of the upper surface 301. Each of these wall surfaces 303 is formed with a terminal 305 for electrical connection with the mobile phone 400 and a protrusion 307 for engaging with the mobile phone 400 so as to protrude rearward.

  An engaging claw 304 for engaging with the mobile phone 400 is disposed at the rear end of the charger 300. The engaging claw 304 is formed in an arm shape that can swing in the front-rear direction around a rotation shaft 343 extending in the left-right direction, and a tip portion of the engaging claw 304 is engaged with the mobile phone 400. The engaging claw 304 is urged counterclockwise in FIG. 13B by a torsion coil spring 344 attached to the rotating shaft 343.

  As shown in FIG. 15, the cellular phone 400 is attached so that the lower surface of the operation housing 402 is in contact with the upper surface 301 of the charger 300 in a folded state. At this time, in the mobile phone 400, first, the front end surface of the operation casing 402 is opposed to the wall surface 303, so that the pair of electrodes 425 of the operation casing 402 contacts the corresponding terminals 305 and is electrically connected. At the same time, the pair of protrusions 307 of the operation housing 402 engage with the corresponding recesses 429.

When the rear end portion of the mobile phone 400 is pushed downward in this state, the engaging claw 304 biased forward is pressed backward by the rear end surface of the operation housing 402 against the biasing force. The When the cellular phone 400 is further pushed in, the entire lower surface of the operation housing 402 comes into contact with the upper surface 301 of the charger 300, and the engaging claw 304 is engaged with the recess 430 of the operation housing 402.
JP 2003-164070 A

  However, in the conventional configuration as described above, a recess for engaging with the charger must be provided in the mobile phone. Providing the concave portion in the cellular phone case in this manner not only impairs the visual aesthetics, but also causes problems such as the entry of foreign matter into the concave portion and the restriction of the arrangement space for the electrical components in the casing. Arise. Such a problem can occur not only in a mobile phone but also in other electronic devices such as a digital audio player.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a mobile phone charger that can satisfactorily hold a mobile phone without providing a recess in the mobile phone. Moreover, an object of this invention is to provide the charger for electronic devices which can hold | maintain an electronic device favorably, without providing a recessed part in an electronic device.

  The battery charger for a mobile phone according to the first aspect of the present invention charges a mobile phone configured to be foldable by connecting each end of the first housing and the second housing with a hinge portion. In the mobile phone charger, the holding device that holds the folded mobile phone in contact with the lower surface of the first housing opposite to the second housing, and the holding device holds A first restricting means that opposes one side surface of the mobile phone and engages with the upper surface of the first casing or the upper surface of the second casing to restrict the movement in the vertical direction; A second restricting means that faces a side surface opposite to the one side surface of the mobile phone and that engages with an upper surface of the first housing or an upper surface of the second housing to restrict movement in the vertical direction. It is configured with.

  With such a configuration, the first restricting means is opposed to one side surface of the mobile phone, and the second restricting means is opposed to the side surface opposite to the one side surface to restrict movement in the horizontal direction, and the first By engaging the restricting means and the second restricting means with the upper surface of the first housing or the upper surface of the second housing, the movement in the vertical direction can be restricted. Thus, by engaging the first restricting means and the second restricting means with the respective surfaces of the first casing and the second casing, it is possible to hold the mobile phone satisfactorily without providing a recess in the mobile phone. Can do.

  In the mobile phone charger according to the second aspect of the present invention, the first regulating means is opposed to a side surface of the mobile phone held by the holding means on the hinge part side, and is engaged with the upper surface of the first casing. The second restricting means is opposed to the side surface opposite to the hinge portion of the mobile phone held by the holding means and engages with the upper surface of the second casing.

  With such a configuration, the first restricting means can be engaged with the upper surface of the first housing on the hinge portion side, and the second restricting means can be engaged with the upper surface of the second housing on the side opposite to the hinge portion. . Therefore, the second restricting means that does not interfere with the hinge portion is firmly held by being opposed to the side surfaces of the first housing and the second housing and by being engaged with the upper surface of the second housing. 1 control means can be engaged with the upper surface of the 1st case so that it may not interfere with a hinge part.

  In the mobile phone charger according to the third aspect of the present invention, the first restricting means includes an engaging means that can be displaced in an engaged state and a non-engaged state with respect to the upper surface of the first housing, and the engagement. And urging means for urging the means toward the direction of engagement with the first housing.

  With such a configuration, when the mobile phone is attached to the charger, the upper surface of the second housing is engaged so that one side of the mobile phone faces the second restricting means, and then the other of the mobile phone. By pushing the side surface side against the engaging means urged by the urging means, the engaging means is displaced against the urging force, and the engaging means is easily engaged with the upper surface of the first housing. Can be made. When removing the mobile phone from the charger, the other side of the mobile phone is lifted to displace the engaging means against the urging force so that the engaging means is engaged with the upper surface of the first housing. Can be easily released.

  The mobile phone charger according to a fourth aspect of the present invention is configured to be foldable by connecting each end of the first housing and the second housing with a hinge portion, and the hinge portion in the first housing. A stopper that abuts against the second housing in an open state is formed at the end on the side, and in a folded state, the mobile phone has a recess formed between the stopper and the outer surface of the hinge portion. A holding means for holding the folded mobile phone in contact with the lower surface of the first housing opposite to the second housing in the mobile phone charger for charging the mobile phone; And a first restricting means that faces the hinge-side side surface of the mobile phone held by the holding means and engages with the recess to restrict the movement in the vertical direction.

  With such a configuration, the first restricting means is engaged with the concave portion formed between the stopper of the first housing and the outer surface of the hinge portion, and the vertical movement is performed so as not to interfere with the hinge portion. Can be regulated. As a result, the charger can be engaged using the concave portion that appears when the mobile phone is folded, so that the mobile phone can be satisfactorily held without providing the concave portion in the mobile phone.

  In addition to the above configuration, a battery charger for a mobile phone according to a fifth aspect of the present invention faces a side surface opposite to the hinge portion of the mobile phone held by the holding means, and engages with an upper surface of the second casing. The second restricting means for restricting the movement in the vertical direction is provided.

  With such a configuration, the second restricting means that does not interfere with the hinge portion is opposed to the side surfaces of the first housing and the second housing and is firmly engaged with the upper surface of the second housing. Can be held.

A charger for electronic equipment according to a sixth aspect of the present invention is configured to be foldable by connecting the end portions of the first housing and the second housing with hinge portions, and the hinge portion side in the first housing is configured to be foldable. A stopper that abuts against the second housing in an open state is formed at the end of the electronic device. In the folded state, an electronic device in which a recess is formed between the stopper and the outer surface of the hinge portion is formed. An electronic device charger for charging, the holding means for holding the electronic device in a folded state in contact with the lower surface of the first housing opposite to the second housing; and The electronic device held by the holding unit is opposed to the side surface on the hinge portion side of the electronic device, and is configured to include a first regulating unit that engages with the concave portion and regulates movement in the vertical direction .

  With such a configuration, the regulation wall is opposed to one side surface of the electronic device and the engagement claw is opposed to the side surface opposite to the one side surface to restrict the movement in the horizontal direction. By engaging the claw with the upper surface of the electronic device, movement in the vertical direction can be restricted. Thus, by engaging the regulating wall and the engaging claw with the surface of the electronic device, the electronic device can be satisfactorily held without providing a recess in the electronic device.

  When attaching the electronic device to the charger, the upper surface of the electronic device is engaged so that one side surface of the electronic device faces the regulation wall, and then the other side surface side of the electronic device is urged by the urging means. By pushing against the engaging claw, the engaging claw can be displaced against the urging force, and the engaging claw can be easily engaged with the upper surface of the electronic device. When removing the electronic device from the charger, lifting the other side of the electronic device displaces the engaging claw against the urging force, making it easy to engage the engaging claw with the upper surface of the electronic device. Can be released.

  According to the present invention, the first restriction means and the second restriction means are engaged with the respective surfaces of the first casing and the second casing, so that the portable telephone can be satisfactorily held without providing a recess in the portable telephone. can do. If the first restricting means is engaged with the upper surface of the first housing on the hinge part side and the second restricting means is engaged with the upper surface of the second housing on the opposite side to the hinge part, the hinge part interferes. The second restricting means having no gap is firmly held by engaging with the upper surface of the second casing, and the first restricting means can be engaged with the upper surface of the first casing so as not to interfere with the hinge portion. it can.

  Moreover, according to this invention, a 1st control means can be engaged with the recessed part formed between the stopper of a 1st housing | casing, and the outer surface of a hinge part. Thereby, since the first restricting means can be engaged with the concave portion that appears in the folded state of the cellular phone at the end of the cellular phone at the hinge portion side, it is preferable that the cellular phone is not particularly provided with a concave portion. A mobile phone can be held. If the second restricting means is engaged with the upper surface of the second housing at the end opposite to the hinge portion of the mobile phone, the mobile phone can be held more firmly.

  Moreover, according to this invention, a vertical movement can be controlled by engaging a control wall and an engaging claw with the upper surface of an electronic device. Therefore, by engaging the regulating wall and the engaging claw with the surface of the electronic device, the electronic device can be satisfactorily held without providing a recess in the electronic device. By engaging the engaging claw urged by the urging means with the upper surface of the electronic device, the electronic device can be easily attached to and detached from the charger.

Embodiment 1 FIG.
1A and 1B are perspective views showing an example of a charger 100 according to Embodiment 1 of the present invention, in which FIG. 1A is a diagram of the charger 100 viewed from the right rear side, and FIG. The figure which looked at from the diagonally forward right is shown. 2 is a plan view of the charger 100 of FIG. 1, (a) is a plan view, (b) is a front view, (c) is a rear view, and (d) is a right side view. ing. FIG. 3 is a cross-sectional view of the charger 100 of FIG. Here, the lower side in FIG. 2A will be described as the front, the upper side as the rear, the left side as the left side, and the right side as the right side.

  The charger 100 is a resin holder formed in a rectangular shape so that its longitudinal direction extends back and forth, and has a substantially bilaterally symmetric shape. The upper surface 101 of the charger 100 is formed substantially horizontally, and can be held in a state where the mobile phone is in contact with the upper surface 101. A rear end regulating wall 102 is formed on the upper surface 101 of the charger 100 so as to protrude upward from the central portion in the left-right direction at the rear end portion, and a pair of protrusions so as to protrude upward from the left and right ends at the front end portion. A front end regulating wall 103 is formed.

  The rear end regulating wall 102 is formed in a trapezoidal shape so that the width in the front-rear direction becomes shorter as it goes upward from the upper surface 101 of the charger 100, and in the left-right direction along the rear edge of the upper surface 101. It extends in a straight line. The rear end regulating wall 101 is formed to be lower than the front end regulating wall 103 with respect to the upper surface 101 of the charger 100. The rear end regulating wall 102 is a first regulating means that regulates the rearward movement of the front surface 121 facing the rear end surface of the mobile phone.

  The rear end regulating wall 102 is formed in a hollow shape having a substantially constant thickness, and an engagement claw 104 for engaging the mobile phone and regulating the movement in the vertical direction is disposed inside the rear end regulating wall 102. Yes. The engaging claw 104 includes a flat plate-like arm portion 141 extending in the vertical direction along the front surface 121 of the rear end regulating wall 102, and a claw portion having a triangular cross-sectional shape formed at the front upper end portion of the arm portion 141. 142 is an integrally formed resin engaging means.

  A rotating shaft 143 extending in the left-right direction is formed at the lower end portion of the arm portion 141 of the engaging claw 104, and the engaging claw 104 is swingably attached about the rotating shaft 143 (see FIG. 3). A torsion coil spring 144 as an urging means for urging the engaging claw 104 is attached to the rotating shaft 143 of the engaging claw 104. The engagement claw 104 is urged counterclockwise in FIG. 3 by the torsion coil spring 144.

  When the mobile phone is not held by the charger 100, the front surface of the arm portion 141 of the engaging claw 104 is along the front surface 121 of the rear end regulating wall 102 as shown in FIG. The claw portion 142 of the claw 104 projects forward from the front surface 121 of the rear end regulating wall 102. When a pressing force is applied to the engaging claw 104 in this state, the engaging claw 104 swings backward against the urging force of the torsion coil spring 144 as shown in FIG. The claw portion 142 is retracted inside the rear end regulating wall 102.

  Each of the pair of front end regulating walls 103 is formed to be bent in an L shape along each corner of the front end portion of the upper surface 101 of the charger 100, and as it goes upward from the upper surface 101 of the charger 100, The cross-sectional shape is formed in a trapezoidal shape so that the width in the front-rear direction and the left-right direction is reduced. That is, each front end regulating wall 103 extends in the left-right direction along the front end edge of the upper surface 101 of the charger 100 and faces the front end surface of the mobile phone to regulate the forward movement, and the upper surface. 101 is a second restricting means that is integrally formed with a lateral restricting portion 132 that extends in the front-rear direction along the left and right edges of 101 and faces the left and right side surfaces of the mobile phone and restricts movement in the left-right direction. .

  Each of the pair of front end regulating walls 103 is formed in a hollow shape having a substantially constant wall thickness, and terminals 105 for electrical connection with the mobile phone are disposed inside each pair. These terminals 105 are formed by bending a metal wire, and a contact portion 151 bent in a V shape is formed at the tip thereof. In a state where the mobile phone is held by the charger 100, the contact portion 151 of the terminal 105 is in contact with the electrode of the mobile phone, so that the charger 100 and the mobile phone are electrically connected.

  The other end of each terminal 105 is attached to a rotating shaft 152 (see FIG. 10) formed so as to extend in the left-right direction in the charger 100, and each terminal 105 swings around the rotating shaft 152. It is provided to be movable. Each terminal 105 is urged clockwise in FIG. 3, and when the mobile phone is not held by the charger 100, the contact portion 151 of each terminal 105 is the rear surface of the front restriction portion 131 of the front end restriction wall 103. Projecting backward from 133.

  In the present embodiment, the pressing force applied to the electrode with the contact portion 151 of each terminal 105 in contact with the electrode of the mobile phone is 50 g or more, and the pressing force applied to the electrode from the two terminals 105 is 100 g or more. is there. On the other hand, the weight of the mobile phone attached to the charger 100 is less than 100 g. That is, in this embodiment, the pressing force applied to the mobile phone from the two terminals 105 is set to be larger than the weight of the mobile phone.

  A voltage supplied from the outside to the charger 100 via a power cord (not shown) is applied to each terminal 105. At the center of the upper surface 101 of the charger 100, a protrusion 106 that can be displaced in the vertical direction is arranged to protrude upward. When the mobile phone is attached to the charger 100, the protrusion 106 is formed by the outer surface of the mobile phone. It is pressed and displaced downward. In the charger 100, a voltage supplied from the outside is applied to each terminal 105 only when the mobile phone is in contact with the upper surface 101 and the protrusion 106 is pushed downward.

  An engagement piece 134 extending rearward is formed at the upper end portion of the front restriction portion 131 of each front end restriction wall 103. The engagement piece 134 engages with the mobile phone and moves in the vertical direction. It can be regulated. In a state where the mobile phone is not held by the charger 100, the contact portion 151 of each terminal 105 extends beyond the rear end of the engagement piece 134 to the rear.

  4 is a perspective view showing an example of a mobile phone 200 that can be attached to the charger 100 of FIG. 1. FIG. 4 (a) is a view of the mobile phone 200 as viewed from the right front side, and FIG. It is the figure which looked at the telephone 200 from the diagonally left front. FIG. 5 is a perspective view of the mobile phone 200 of FIG.

  In the mobile phone 200, a resin display housing 201 and an operation housing 202 are connected to each other via a hinge 203 at the rear end. A large number of operation keys are arranged on the upper surface of the operation housing 202, and a display unit made of a liquid crystal display is formed on the lower surface of the display housing 201 facing the upper surface of the operation housing 202 in a folded state. (Not shown). The cellular phone 200 has a rectangular shape in a folded state, and when the display housing 201 and the operation housing 202 are developed around the hinge portion 203, the operation housing can be viewed while viewing the display on the display housing 201. The operation key of the body 202 can be pressed.

  A camera 211 for photographing a subject is provided at a front end portion of the upper surface of the display housing 201 in a state where the cellular phone 200 is folded. An external output terminal (not shown) for connecting an external output device such as an earphone is provided on the rear end side of the left side surface of the operation housing 202. When the external output device is not used, the external output terminal Is covered with an output terminal lid 221 made of resin. A concave portion 222 for accommodating a battery for supplying power to the mobile phone 200 is formed from the center portion to the front end portion of the lower surface of the operation casing 202. The concave portion 222 is covered with a resin battery lid 223. It has been broken.

  On the front end surface of the operation housing 202, an external connection terminal (not shown) for connecting a power cord and directly supplying power from the outside is provided. When the power cord is not connected to the external connection terminal, the external connection terminal is covered with a resin connection terminal lid 224. The connection terminal lid 224 is formed to extend in the left-right direction at the center of the front end surface of the operation housing 202.

  A pair of electrodes 225 are formed on the left and right sides of the external connection terminal on the front end surface of the operation housing 202. These electrodes 225 are formed in a square shape, and when the mobile phone 200 is held by the charger 100, each contact portion 151 of the pair of terminals 105 provided in the charger 100 corresponds to the corresponding electrode 225. A voltage which comes into contact and is supplied from the outside via the power cord is applied to each electrode 225 via a pair of terminals 105. Thereby, electric power can be supplied to the battery of the mobile phone 200 via the charger 100 and charging can be performed.

  The hinge portion 203 includes a first cylindrical body 231 formed so as to protrude upward from the rear end portion of the upper surface of the operation housing 202, and 2 formed so as to protrude rearward from the rear end surface of the display housing 201. Two second cylindrical bodies 232 are formed by being arranged close to each other on the same axis along the left-right direction. The first cylindrical body 231 and the second cylindrical body 232 have the same outer diameter, and the first cylindrical body 231 is disposed between the two second cylindrical bodies 232 so that the horizontal direction as a whole is increased. An extending cylindrical hinge 203 is formed. In the hinge portion 203, the display housing 201 and the operation housing 202 are connected to each other so as to be rotatable.

  At both left and right ends of the rear end portion of the upper surface of the operation housing 202, a clamping portion 226 is formed so as to protrude upward in an inverted U shape. The hinge part 203 is clamped between the two clamping parts 226 by arranging the two second cylinders 232 in the space formed between the clamping part 226 and the first cylindrical body 231. It is in a state. The upper surface of each clamping part 226 is curved with the same curvature as the outer circumferential surfaces of the first cylindrical body 231 and the second cylindrical body 232, and is continuous with the outer circumferential surface of the hinge part 203 sandwiched between the two clamping parts 226. It is formed to do.

  6A and 6B are diagrams for explaining the internal configuration of the operation housing 202, where FIG. 6A is a cross-sectional view of the operation housing 202, and FIG. 6B is a circuit board provided in the operation housing 202. A bottom view of 204 is shown. A rectangular internal space is formed in the operation casing 202, and a glass epoxy circuit board 204 formed in a rectangular shape is disposed in the internal space. Various electrical components are attached to the substrate surface of the circuit board 204, and these electrical components are electrically connected by wiring formed on the substrate surface.

  An external connection connector 241 formed with external connection terminals is attached to the front end portion of the circuit board 204, and the circuit board 204 is fixed in the operation casing 202 on both the left and right sides of the external connection connector 241. A fixing portion 242 is formed. Each fixing portion 242 is formed with a through hole 243 extending in the vertical direction, and the circuit board 204 is operated by inserting a rib 227 formed in the operation housing 202 into the through hole 243. It can be fixed in the housing 202. The pair of electrodes 225 are formed at the left and right ends of the front surface of the external connector 241.

  At the rear end of the circuit board 204, an antenna 244 for transmitting and receiving radio signals is formed in the hatched area in FIG. By transmitting and receiving audio signals through the antenna 244, a call can be made with the other party's telephone. The antenna 244 is formed along the rear edge of the circuit board 204. When the circuit board 204 is accommodated in the operation housing 202, the rear edge of the circuit board 204 is the rear edge of the operation housing 202. By being close to the inner surface, the antenna 244 is disposed in a state of being close to the inner surface.

  When the mobile phone 200 is used, the front side portion of the operation casing 202 is normally gripped. Therefore, by placing the antenna 244 at the rear end portion of the operation casing 202, the periphery of the antenna 244 is manually positioned. It can prevent that the transmission / reception intensity | strength of a radio signal falls resulting from being covered. In addition, by arranging the antenna 244 close to the inner surface of the rear end of the operation casing 202 as described above, the antenna 244 can be further away from the hand holding the operation casing 202. The transmission / reception strength can be further increased, and the noise received from the electrical component attached to the circuit board 204 can be further reduced.

  FIG. 7 is a longitudinal sectional view of a main part of the mobile phone 200 in a state in which the display housing 201 is expanded halfway with respect to the operation housing 202, (a) is a cross section of the first cylindrical body 231 and (b). These show the cross section of the second cylindrical body 232. FIG. 8 shows a state in which the display housing 201 is completely expanded with respect to the operation housing 202 in the cross-sectional view of FIG.

  As shown in FIG. 7A, the first cylindrical body 231 is integrally formed so that the lower portion thereof is continuous with the upper surface of the operation housing 202, and slightly forward of the rear end of the upper surface of the operation housing 202. Projecting upward from Thus, a triangular recess 233 is formed between the upper surface of the rear end portion of the operation housing 202 and the outer peripheral surface of the first cylindrical body 231 so as to narrow toward the front.

  As described above, one of the reasons for forming the recess 233 without gently connecting the first cylindrical body 231 and the rear end surface of the operation housing 202 is to perform the resin molding better. That is, the concave portion 233 is formed between the upper surface of the rear end portion of the operation casing 202 and the outer peripheral surface of the first cylindrical body 231 so that the thickness is uniform, so that at the time of cooling after resin molding. It is possible to make the solidification rate uniform and prevent deformation based on a difference in partial solidification rates.

  As shown in FIG. 7B, a concave curved surface 228 corresponding to the outer peripheral surface of the second cylindrical body 232 is formed slightly forward of the rear end of the upper surface of the operation housing 202, and this curve The outer peripheral surface of the second cylindrical body 232 faces the surface 228. Thus, a triangular recess 234 is formed between the upper surface of the rear end portion of the operation housing 202 and the outer peripheral surface of the second cylindrical body 232 so as to narrow toward the front.

  Thus, in the space surrounded by the rear end portion of the upper surface of the operation housing 202, the outer peripheral surface of the hinge portion 203, and the two sandwiching portions 226, the concave portion 233 having a triangular cross-sectional shape is formed in the left-right direction. It is formed to extend (see FIG. 5). The upper surface of the operation housing 202 in the recess 233 forms a stopper 234 that contacts the display housing 201 when the display housing 201 is expanded with respect to the operation housing 202. That is, when the display casing 201 is expanded with respect to the operation casing 202, a part of the display casing 201 abuts against the stopper 234 in the state shown in FIG. 8, and cannot be further expanded. The stopper 234 is formed of a flat surface that is inclined so as to become lower toward the rear in the horizontal direction.

  The display housing 201 is formed with a surface extending backward from the rear end surface of the display housing 201 so as to connect the upper surface of the display housing 201 to the outer peripheral surface of the second cylindrical body 232, and this surface is the display housing. A contact surface 235 that contacts the stopper 234 of the operation housing 202 when the 201 is unfolded is formed. As shown in FIG. 5, the contact surface 235 has a width in the left-right direction of the stopper 234, that is, the same width as the distance between the two sandwiching portions 226, and the display housing 201 reaches the state shown in FIG. Is expanded into the recess 233 and abuts against the stopper 234. In this way, by bringing a part of the display housing 201 into contact with the stopper 234, the display housing 201 can be held at a predetermined rotational position with respect to the operation housing 202.

  9A and 9B are perspective views showing a configuration example of the engaging claw 104, where FIG. 9A is a view of the engaging claw 104 viewed from the right front side, and FIG. The figure seen from is shown. As described above, the engaging claw 104 includes the flat arm portion 141 and the claw portion 142 having a triangular cross section formed on the upper front end portion of the arm portion 141. A torsion coil spring 144 is attached to a rotating shaft 143 formed at the lower end.

  One torsion coil spring 144 is attached to each of the left and right ends of the rotating shaft 143, and a foot 145 on one end side of each torsion coil spring 144 is connected by a connecting portion 146 extending in the left-right direction. The two torsion coil springs 144 and the connecting portion 146 are formed by bending and winding one metal wire.

  The foot 145 and the connecting portion 146 on one end side of each torsion coil spring 144 are in contact with the back surface of the arm portion 141 of the engaging claw 104. The foot 147 on the other end side of each torsion coil spring 144 is in contact with the inner surface of the charger 100 (see FIG. 3). The legs 145 and 147 of the torsion coil springs 144 are attached to the inside of the charger 100 in a state of being contracted so as to be close to each other, whereby the engaging claws 104 are forwardly connected via the torsion coil springs 144. The urging force acts on the.

  Locking pieces 148 are formed on the upper left and right side edges of the arm portion 141 so as to protrude in the left-right direction. In a state where the mobile phone 200 is not held by the charger 100, the engaging claw 104 is moved to the engagement claw 104 by the contact of the locking piece 148 with the inner surface of the rear end regulating wall 102 as shown in FIG. The claw portion 142 is locked in a state where it projects forward from the front surface 121 of the rear end regulating wall 102.

  The cross-sectional shape of the claw portion 142 of the engaging claw 104 is a triangular shape corresponding to the cross-sectional shape of the concave portion 233 formed at the rear end portion of the cellular phone 200 in the folded state. Therefore, when the mobile phone 200 is held in contact with the upper surface 101 of the charger 100, the claw portion 142 of the engaging claw 104 enters the recess 233 of the mobile phone 200 and comes into contact with the stopper 234. .

  FIG. 10 is a schematic longitudinal sectional view of the charger 100 in a state where the mobile phone 200 is held. In the folded state of the cellular phone 200, first, the front end surface of the operation housing 202 is opposed to the back surface 133 of the front end regulating wall 103, whereby the pair of electrodes 225 of the operation housing 202 correspond to the corresponding terminals 105. The contact piece 151 is in contact with and electrically connected, and the engagement piece 134 of the front end regulating wall 103 comes into contact with the upper surface of the display housing 201 to restrict the movement in the vertical direction.

  When the rear end portion of the mobile phone 200 is pushed downward in this state, the engaging claw 104 biased forward is pressed backward by the rear end surface of the operation housing 202 against the biasing force. The Then, by further pushing the cellular phone 200, the entire lower surface of the operation housing 202 abuts on the upper surface 101 of the charger 100, and the claw portion 142 of the engagement claw 104 is engaged with the recess 233 of the cellular phone 200. As a result, the claw portion 142 of the engagement claw 104 comes into contact with the stopper 234 on the upper surface of the operation housing 202 to be engaged, and movement in the vertical direction is restricted.

  By attaching the mobile phone 200 to the charger 100 in this manner, the front end restriction wall 103 is opposed to the front end face of the mobile phone 200 and the rear end restriction wall 102 is opposed to the rear end face to restrict movement in the horizontal direction. At the same time, by engaging the engagement piece 134 and the engagement claw 104 with the upper surface of the display housing 201 and the upper surface of the operation housing 202, the movement in the vertical direction can be restricted. As described above, the engaging piece 134 and the engaging claw 104 are engaged with the respective surfaces of the display housing 201 and the operation housing 202, so that the mobile phone 200 can be satisfactorily held without providing a recess in the mobile phone 200. can do.

  In particular, in the present embodiment, the rear end regulating wall 102 is engaged with the upper surface of the operation housing 202 on the hinge part 203 side, and the front end regulating wall 103 is engaged with the upper surface of the display housing 201 on the side opposite to the hinge part 203. Can be combined. Therefore, the front end regulating wall 103 that does not interfere with the hinge portion 203 is firmly held by being opposed to the front end surfaces of the display housing 201 and the operation housing 202 and by being engaged with the upper surface of the display housing 201. The rear end regulating wall 102 can be engaged with the upper surface of the operation casing 202 so as not to interfere with the hinge portion 203.

  As shown in FIG. 6, when the antenna 244 is arranged as close as possible to the inner surface of the rear end of the operation housing 202, the rear end surface of the operation housing 202 is used for engagement with a charger. If the concave portion is provided, there is a problem that the antenna 244 cannot be sufficiently close to the inner surface. When the width of the operation housing 202 in the left-right direction is relatively short, the electrodes 225 and the fixing portions 242 are provided on the left and right sides of the external connection connector 241 at the front end of the operation housing 202 as shown in FIG. If it arrange | positions, it will become difficult to ensure the space which forms the recessed part for engagement with a charger in the front-end surface of the operation housing | casing 202. FIG.

  Therefore, as in the present embodiment, the engagement piece 134 and the engagement claw 104 are engaged with the surfaces of the display housing 201 and the operation housing 202, and the mobile phone 200 can be carried well without being provided with a recess. By adopting a configuration in which the telephone 200 can be held, the above problems can be effectively solved.

  Further, in the present embodiment, the engaging claw 104 is engaged with the recess 233 formed between the stopper 234 of the operation housing 202 and the outer surface of the hinge portion 203 so as not to interfere with the hinge portion 203. Movement in the vertical direction can be restricted. Therefore, since the charger 100 can be engaged using the recess 233 that appears when the mobile phone 200 is folded, the mobile phone 200 can be satisfactorily held without providing the mobile phone 200 with a special recess. Can do.

  When the mobile phone 200 is detached from the charger 100, the rear end side of the mobile phone 200 is lifted to displace the engaging claw 104 rearward against the urging force to bring it into the non-engaged state. The engagement state of the engagement claw 104 with respect to the upper surface of 202 can be easily released and removed.

  In the above embodiment, the configuration in which the charger 100 is engaged with the upper surface of the display housing 201 on the side opposite to the hinge portion 203 and the upper surface of the operation housing 202 on the hinge portion 203 side has been described. The configuration is not limited to this, and the configuration may be such that the upper surface of the display housing 201 on the hinge 203 side and the upper surface of the operation housing 202 on the opposite side of the hinge 203 are engaged.

  In addition, at both ends in the longitudinal direction of the cellular phone 200 in a folded state, the upper surface of the display housing 201 may be engaged with the charger 100, or both may be configured to be the operation housing 202. The configuration may be such that the upper surface of the battery is engaged with the charger 100.

  The mobile phone 200 is configured such that the lower surface of the operation housing 202 is held in contact with the upper surface 101 of the charger 100 with the display housing 201 positioned above the operation housing 202. The configuration is such that the lower surface of the display housing 201 is held in contact with the upper surface 101 of the charger 100 with the operation housing 202 positioned above the display housing 201. Also good.

  In the above embodiment, the case where the surface of the charger 100 that contacts the mobile phone 200 faces upward has been described. However, the charger 100 has a surface that contacts the mobile phone 200 with respect to the horizontal direction. It can also be used in an inclined state.

  In the above embodiment, the mobile phone 200 which is an example of the electronic device and the charger 100 for charging the mobile phone 200 have been described. However, the present invention is not limited to the mobile phone 200, and is a digital audio player. The present invention can also be applied to an audio playback device such as an MD (Mini Disc) player and a charger for charging other electronic devices such as a small storage device. In this case, the electronic device having a hinge portion such as a foldable PDA (Personal Digital Assistant) can be applied to the charger 100 configured as in the above embodiment, but the electronic device is not a foldable type. For example, a charger having a configuration as described below can be applied.

Embodiment 2. FIG.
FIG. 11 is a perspective view showing a digital audio player 500 as an example of another electronic device. FIG. 11A is a diagram of the digital audio player 500 viewed from the right front side, and FIG. 11B is a digital audio player. It is the figure which looked at 500 from diagonally forward left.

  The digital audio player 500 includes a hollow casing 501 formed in a rectangular parallelepiped shape, and various electric components and batteries for supplying electric power to these electric components are accommodated in the casing 501. (Not shown). The upper surface of the housing 501 is formed in a rectangular shape whose longitudinal direction extends in the front-rear direction, a display unit 502 formed of a liquid crystal display is formed on one end side in the longitudinal direction, and a number of operations are performed on the other end side. An operation unit 503 including keys is arranged.

  An external connection terminal (not shown) for connecting a power cord and directly supplying power from the outside is provided at the lower part of the front end surface of the housing 501. When the power cord is not connected to the external connection terminal, the external connection terminal is covered with a resin connection terminal lid 524. The connection terminal lid 524 is formed to extend in the left-right direction at the center of the front end surface of the housing 501. A pair of electrodes 525 are formed on the left and right sides of the external connection terminal on the front end surface of the housing 501.

  FIG. 12 is a schematic longitudinal sectional view showing an example of the charger 600 according to the second embodiment of the present invention, and shows a state in which the digital audio player 500 is held. The charger 600 holds the upper surface 601 in contact with the lower surface of the digital audio player 500, and includes a rear end regulating wall 602, a front end regulating wall 603, an engaging claw 604, and a terminal 605. .

  The front end regulating walls 603 have the same configuration as that of the charger 100 of the first embodiment, are formed at both left and right ends of the front end portion of the upper surface 601 of the charger 600, and face the front end surface of the digital audio player 500 forward. A front restricting portion that restricts the movement of the digital audio player 500 and a lateral restricting portion that restricts the movement in the left-right direction facing the left and right side surfaces of the digital audio player 500 are integrally formed. An engaging piece 634 extending rearward is formed at the upper end portion of the front restricting portion of the front end restricting wall 603, and this engaging piece 634 engages with the upper surface of the digital audio player 500 so as to move in the vertical direction. The movement can be restricted.

  Similarly to the charger 100 of the first embodiment, the terminal 605 is provided inside the pair of front end regulating walls 603 so as to be swingable around the rotation shaft 652, and is bent into a V shape at the tip thereof. The contact portion 651 is formed. In a state where the digital audio player 500 is held by the charger 600, the contact portion 651 of the terminal 605 contacts the electrode 525 of the digital audio player 500, and the charger 600 and the digital audio player 500 are electrically connected. It is like that.

  The rear end regulating wall 602 has substantially the same configuration as the rear end regulating wall 102 of the charger 100 of the first embodiment, but is formed so as to extend above the front end regulating wall 603. Is different. An engagement claw 604 for engaging with the upper surface of the digital audio player 500 and restricting the vertical movement is disposed inside the rear end regulating wall 602. Similar to the first embodiment, the engaging claw 604 has a flat arm portion 641 and a claw portion 642 formed at the upper end of the front surface of the arm portion 641, and swings around the rotation shaft 643. It is mounted movably. The engagement claw 604 is urged counterclockwise in FIG. 12 by attaching a torsion coil spring 644 as urging means to the rotating shaft 643.

  When the digital audio player 500 is attached to the charger 600, first, the front end surface of the housing 501 is opposed to the back surface 633 of the front end regulating wall 603, so that the contact portion of the terminal 605 to which the pair of electrodes 525 correspond. 651 is in contact with and electrically connected, and the engagement piece 634 of the front end regulating wall 603 comes into contact with the upper surface of the housing 501 so that the vertical movement is restricted.

  When the rear end portion of the digital audio player 500 is pushed downward in this state, the engaging claw 604 biased forward is pressed backward by the rear end surface of the housing 501 against the biasing force. The When the digital audio player 500 is further pushed in, the entire bottom surface of the housing 501 comes into contact with the top surface 601 of the charger 600, and the claw portion 642 of the engaging claw 604 engages with the top surface of the housing 501 so that Movement in the direction is restricted.

  By attaching the digital audio player 500 to the charger 600 in this way, the front end regulating wall 603 is opposed to the front end surface of the casing 501 and the rear end regulating wall 602 is opposed to the rear end surface, thereby moving in the horizontal direction. While restricting, engaging the engaging piece 634 and the engaging claw 604 with the upper surface of the housing 501 makes it possible to restrict movement in the vertical direction. In this way, by engaging the engagement piece 634 and the engagement claw 604 with the surface of the housing 501, the digital audio player 500 can be satisfactorily held without providing the digital audio player 500 with a recess.

  The digital audio player 500 is not limited to a configuration in which the surface opposite to the surface on which the display unit 502 and the operation unit 503 are formed is held in contact with the upper surface 601 of the charger 600, and other surfaces are charged. The configuration may be such that the upper surface 601 of the vessel 600 is held in contact with the upper surface 601. In addition, the display unit 502 and the operation unit 503 are not limited to the configuration formed on the same surface of the digital audio player 500, and may be formed on different surfaces, respectively, or either the display unit 502 or the operation unit 503. May be omitted.

  In the above embodiment, the case where the surface of the charger 600 that contacts the digital audio player 500 faces upward has been described. However, the surface of the charger 600 that contacts the digital audio player 500 is horizontal. It is also possible to use it in an inclined state.

It is the perspective view which showed an example of the charger by Embodiment 1 of this invention, (a) is the figure which looked at the charger from diagonally right back, (b) was the charger seen from diagonally right front The figure is shown. It is the figure which looked at the charger of FIG. 1 planarly, (a) is a top view, (b) is a front view, (c) is a rear view, (d) has shown the right view. It is AA sectional drawing of the charger of Fig.2 (a). 2A and 2B are perspective views showing an example of a mobile phone that can be attached to the charger of FIG. 1, in which FIG. 1A is a view of the mobile phone as viewed from the right diagonally front, and FIG. It is a figure. It is the perspective view which looked at the mobile telephone of FIG. 4 from diagonally right back. It is a figure for demonstrating the internal structure of an operation housing, (a) is a cross-sectional view of an operation housing, (b) has shown the bottom view of the circuit board provided in the operation housing. FIG. 3 is a longitudinal sectional view of a main part of the mobile phone in a state where the display housing is expanded halfway with respect to the operation housing, (a) is a cross section of the first cylindrical body, and (b) is a cross section of the second cylindrical body. Is shown. In the cross-sectional view of FIG. 7A, the display housing is shown fully expanded with respect to the operation housing. It is the perspective view which showed the structural example of the engaging claw, (a) is the figure which looked at the engaging claw from diagonally right front, (b) shows the figure which looked at the engaging claw from diagonally right back Yes. It is a schematic longitudinal cross-sectional view of the charger in the state holding the mobile phone. FIG. 9 is a perspective view showing a digital audio player as an example of another electronic device, where (a) is a view of the digital audio player as viewed from the right diagonally front, and (b) is a view of the digital audio player as viewed from the diagonally left front. It is a figure. It is the schematic longitudinal cross-sectional view which showed an example of the charger by Embodiment 2 of this invention, and has shown the state holding the digital audio player. It is the figure which showed the structural example of the conventional charger, (a) is a top view, (b) has shown the right view. It is the figure which showed an example of the conventional mobile telephone which can be attached to the charger of FIG. 13, (a) is a top view, (b) is a front view, (c) has shown the rear view. It is a right view of the charger in a state where the mobile phone is held.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Charger 101 Upper surface 102 Rear end regulation wall 103 Front end regulation wall 104 Engagement claw 106 Protrusion 121 Front surface 131 Front regulation part 132 Lateral regulation part 133 Back surface 134 Engagement piece 141 Arm part 142 Claw part 143 Rotating shaft 144 Torsion coil spring 200 Mobile phone 201 Display case 202 Operation case 203 Hinge unit 204 Circuit board 231 First cylinder 232 Second cylinder 233 Recess 234 Stopper 235 Contact surface 500 Digital audio player 501 Case 502 Display unit 503 Operation unit 525 Electrode 600 Charger 601 Upper surface 602 Rear end regulating wall 603 Front end regulating wall 604 Engaging claw 605 Terminal 633 Back surface 634 Engaging piece 641 Arm part 642 Claw part 643 Rotating shaft 644 Torsion coil spring

Claims (4)

Each end of the first housing and the second housing is configured to be foldable by being connected by a hinge portion, and the end of the first housing on the hinge portion side is opened to the second housing. In the cellular phone charger for charging a cellular phone in which a recess is formed between the stopper and the outer surface of the hinge portion in a folded state where a stopper that contacts the body is formed,
Holding means for holding the cellular phone in a folded state in contact with the lower surface of the first casing opposite to the second casing;
A cellular phone comprising: a first regulating unit facing a side surface on the hinge portion side of the cellular phone held by the holding unit, and engaging with the concave portion to regulate movement in the vertical direction. Charger. The mobile phone held by the holding means is provided with second restriction means that faces the side surface opposite to the hinge portion and engages with the upper surface of the second housing to restrict movement in the vertical direction. The mobile phone charger according to claim 1 , wherein: The first restricting means includes an engaging means that can be displaced in an engaged state and a non-engaged state with respect to the recess , and an urging means that urges the engaging means in a direction to engage with the recess. The mobile phone charger according to claim 1 , further comprising: Each end of the first housing and the second housing is configured to be foldable by being connected by a hinge portion, and the end of the first housing on the hinge portion side is opened to the second housing. In the electronic device charger for charging the electronic device in which a recess is formed between the stopper and the outer surface of the hinge portion in a state where the stopper that contacts the body is formed and folded,
Holding means for holding the electronic device in a folded state in contact with the lower surface of the first housing opposite to the second housing;
An electronic apparatus comprising: a first restricting means that faces a side surface of the electronic apparatus held by the holding means on the hinge part side side, engages with the recess, and restricts movement in the vertical direction. Charger.

Images