JP5250970B2 - Battery fixing structure and electronic equipment - Google Patents

Description

  The present invention relates to a battery fixing structure for an electronic device in which a battery is accommodated in a housing, and the electronic device.

  2. Description of the Related Art Conventionally, in an electronic device in which a battery is detachably housed in a housing, there is one in which a contact spring itself is configured by a biasing member such as a leaf spring. In such an electronic device, the battery is stored against the biasing force of the biasing member by closing the lid, and when the lid is opened, the battery is pushed out of the housing by the elastic force of the biasing member, It is easy to take out (for example, refer to Patent Document 1).

  In addition, a locking device that holds the surface opposite to the contact surface of the battery with the biasing member is provided, and even if the lid is opened, the battery will pop out inadvertently unless there is an operation to release the locking device. A structure which is not included is also considered (see, for example, Patent Document 1).

When such a locking device is provided, as shown in FIG. 8, when the lid 135 is closed, the electrode of the battery 136 and the contact spring 141 are reliably connected by the leaf spring 137 provided on the lid 135. And can.
JP-A-9-306450

By the way, the battery storage recess of the electronic device is formed to be large by the tolerance of the battery size, and when a battery is stored in the battery storage recess, a gap may be formed between the battery storage recess and the battery. For this reason, as shown in FIG. 9, when the urging force by the lid 135 disappears, the urging force by the leaf spring 137 disappears at the same time, so the battery 136 has a corner portion locked by the locking device 150 as a fulcrum. A problem arises in that the electrode of the battery 136 is separated from the contact spring 141 by rotating due to the biasing force of the contact spring 141 that is too strong.
Therefore, in the case of such a structure, as soon as the lid is opened, the power supply is cut, causing malfunction in the electronic device.

  The present invention has been made in view of such problems, and it is an object of the present invention to ensure contact between the battery and the contact spring even when the lid is opened, and to facilitate removal of the battery. To do.

In order to solve the above problems, the invention according to claim 1 is an electronic device including a housing provided with a battery housing recess for detachably storing a battery, wherein the battery is disposed at the bottom of the battery housing recess. includes a biasing member that biases outward Rutotomoni, and the locking portion for locking projecting the battery into the opening of the battery housing recess, wherein the side wall of the battery housing recess projecting the batteries of the battery housing recess A pressing portion that presses toward the opposing side wall, the biasing member is a contact spring that contacts the electrode of the battery, and the pressing portion is formed integrally with the locking portion and has a protruding shape, It is elastically deformed and is provided so as to be rotatable with respect to the rotating shaft, and is biased by a coil spring so as to rotate in the direction in which the battery is pressed, so that the locking portion moves to the outer peripheral portion of the opening of the battery housing recess. The battery storage is linked with the evacuation operation. A battery fixing structure characterized that you have been formed so as to retract into the side wall of the recess.

According to a second aspect of the present invention, there is provided an electronic apparatus comprising the battery fixing structure according to the first aspect.

  According to the present invention, even when the lid is opened, it is possible to ensure the contact between the battery and the contact spring and to easily take out the battery.

  The best mode for carrying out the present invention will be described below with reference to the drawings. However, although various technically preferable limitations for implementing the present invention are given to the embodiments described below, the scope of the invention is not limited to the following embodiments and illustrated examples.

FIG. 1 is a front view showing an electronic apparatus 30 according to an embodiment of the present invention, and FIG. 2 is a rear view. The electronic device 30 is a digital camera, and includes an imaging device 31 and a flash device 32 on the front surface, and an operation unit 33 and a display unit 34 on the back surface.
Further, a lid 35 of a battery housing recess 40 for housing the battery 36 is provided at the lower part of the electronic device 30.

FIG. 3 is a cross-sectional view showing the inside of the battery housing recess 40 of the electronic device 30 in a state in which the lid 35 is opened, and FIG.
As shown in FIG. 3, a contact spring 41 that contacts the electrode of the battery 36 is provided at the bottom of the battery housing recess 40. The contact spring 41 has a leaf spring shape, for example, and biases the battery 36 toward the outside of the battery housing recess 40.

A locking device 50 is provided on the outer periphery of the opening of the battery housing recess 40.
FIG. 5 is an exploded perspective view showing an attachment structure of the locking device 50 to the electronic device 30, and FIG. 6 is a perspective view showing the locking device 50 attached to the electronic device 30. The locking device 50 includes a coil spring 51, a rotating shaft 52, and a locking member 60.

The coil spring 51 is disposed between the bearings 63 and 64 of the locking member 60, and the rotating shaft 52 is inserted together with the bearings 63 and 64. The rotating shaft 52 is inserted into the coil spring 51 and the bearings 63 and 64, and fixes the coil spring 51 and the locking member 60 to the side wall 40 a of the battery housing recess 40.
The locking member 60 is rotatably provided with respect to the rotation shaft 52 by bearings 63 and 64, and is biased by the coil spring 51 so that the pressing portion 62 is rotated in a direction in which the battery 36 is pressed.

FIG. 7 is a perspective view showing the locking member 60. As shown in FIG. 7, the locking member 60 includes a locking portion 61, a pressing portion 62, bearings 63 and 64, and a connecting portion 65.
As shown in FIG. 4, the locking portion 61 abuts against a surface (pressured surface) opposite to the surface on which the electrode of the battery 36 is provided during normal use of the electronic device 30, and the biasing force of the contact spring 41. Thus, the battery 36 is locked so that the battery 36 does not jump out of the battery housing recess 40.

  The pressing portion 62 protrudes from the side wall 40 a of the battery housing recess 40 by the urging force of the coil spring 51, presses the side surface of the battery 36, and brings the battery 36 into contact with the opposing side wall 40 b of the battery housing recess 40. Note that the pressing portion 62 has a protruding shape and is elastically deformed. For this reason, when the pressing portion 62 is elastically deformed, the rotation angle of the locking member 60 is increased, and the area of the locking portion 61 that contacts the pressure-receiving surface of the battery 36 can be increased.

As shown in FIGS. 5 and 6, the rotation shaft 52 is inserted into the bearings 63 and 64, so that the locking member 60 can rotate with respect to the rotation shaft 52.
Connecting portion 65 is configured to connect the locking portion 61 and the pressing portion 62 is biased by a coil spring 51 shown in FIG.

  Here, a method for attaching / detaching the battery 36 to / from the battery housing recess 40 will be described. First, in order to store the battery 36 in the battery housing recess 40, the user resists the locking member 60 against the urging force of the coil spring 51 so that the locking portion 61 is retracted to the outer periphery than the opening of the battery housing recess 40. And rotate. Next, the battery 36 is pushed into the battery housing recess 40 against the urging force of the contact spring 41 with the locking member 60 retracted.

  Further, when the user pushes the battery 36 into the battery housing recess 40 against the urging force of the contact spring 41, the pressure surface of the battery 36 is arranged on the back side of the battery housing recess 40 with respect to the locking member 60. Then, as shown in FIG. 3, the locking member 60 is rotated by the biasing force of the coil spring 51, the pressing portion 62 protrudes from the side wall 40 a of the battery housing recess 40, and presses the side surface of the battery 36. It is made to contact | abut to the side wall 40b which the accommodation recessed part 40 opposes. When the user releases the hand from the battery 36 in this state, the battery 36 is urged by the urging force of the contact spring 41 in the direction of being pushed out from the battery housing recess 40 along the opposite side wall 40b of the battery housing recess 40. The stopper 61 abuts and is locked.

  In order to take out the battery 36 from the battery housing recess 40, the user rotates the locking member 60 against the biasing force of the coil spring 51 so that the locking portion 61 is retracted to the outer periphery than the opening of the battery housing recess 40. Move. At this time, the pressing portion 62 is also rotated and retracted into the side wall 40 a of the battery housing recess 40.

  Then, the locking member battery 36 is pushed out of the battery housing recess 40 by the urging force of the contact spring 41. Thereafter, the user can hold and remove the portion of the battery 36 that is pushed out from the electronic device 30.

  Thus, according to the present embodiment, the battery 36 biased outward by the contact spring 41 is locked by the locking portion 61, and the battery 36 is fixed to the side wall 40 b of the battery housing recess 40 by the pressing portion 62. Since the contact is made, the battery 36 can be prevented from rotating by the urging force of the contact spring 41 with the corner portion locked by the locking portion 61 as a fulcrum. Therefore, even when the lid 35 is opened, the electrode of the battery 36 is not separated from the contact spring 41, and the contact with the contact spring 41 can be ensured.

  Further, since the locking portion 61 and the pressing portion 62 are integrally formed as the locking member 60, the pressing portion 61 is pressed in conjunction with the retraction of the locking portion 61 to the outer peripheral portion rather than the opening of the battery housing recess 40. The part 62 can be retracted into the side wall 40 a of the battery housing recess 40, and the battery 36 can be easily taken out by the urging force of the contact spring 41.

  In the above embodiment, the digital camera has been described. However, the present invention is not limited to this, and a notebook personal computer, a PDA, an electronic notebook, a digital camera, a mobile phone, a wristwatch, a register, a projector, and the like. The present invention can be applied to portable electronic devices.

It is a front view which shows the electronic device 30 which concerns on embodiment of this invention. 2 is a rear view showing the electronic device 30. FIG. It is sectional drawing which shows the inside of the battery accommodating recessed part 40 of the electronic device 30 in the state in which the lid | cover 35 was opened. FIG. 4 is a detailed view of a part IV in FIG. 3. FIG. 4 is an exploded perspective view showing a mounting structure of the locking device 50 to the electronic device 30. 3 is a perspective view showing a locking device 50 attached to the electronic device 30. FIG. 4 is a perspective view showing a locking member 60. FIG. It is sectional drawing which shows the inside of the battery accommodating recessed part 140 in the state which closed the lid 135 of the conventional electronic device 130. It is sectional drawing which shows the inside of the battery accommodating recessed part 140 in the state which opened the cover 135 of the conventional electronic device 130. FIG.

Explanation of symbols

30 Electronic device 36 Battery 40 Battery housing recess 40a, 40b Side wall 41 Contact spring (biasing member)
61 Locking part 62 Pressing part

Claims (2)

In an electronic device including a housing provided with a battery housing recess for detachably storing a battery,
Rutotomoni includes a biasing member at the bottom of the battery housing recess for urging the battery outward,
A locking portion that protrudes into the opening of the battery housing recess and locks the battery;
A pressing portion that protrudes from the side wall of the battery housing recess and presses the battery toward the opposite side wall of the battery housing recess ,
The biasing member is a contact spring that contacts the electrode of the battery,
The pressing portion is formed integrally with the locking portion, has a protruding shape, is elastically deformed, is provided so as to be rotatable with respect to a rotating shaft, and is rotated by a coil spring in a direction of pressing the battery. It is energized, the battery fixing structure the locking portion is characterized that you have been formed so as to retract into the side wall of the operation and conjunction with the battery housing recess for saving to the outer peripheral portion of the opening of the battery housing recess . An electronic apparatus comprising the battery fixing structure according to claim 1.

Images