JP2017102355A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock mechanism of a battery storage part, which is capable of properly holding batteries stored in a battery storage part while reducing the size of an electronic apparatus housing.SOLUTION: The lock mechanism includes: a record medium storage part; a lock member 13 which is rotatably supported in a direction perpendicular to an insertion direction of a battery 11; and a torsion spring 24 which includes a rotation axis parallel to a lock member rotation axis with one end thereof supported by the battery storage part 12. The lock member 13 has a spring holder on a projection which extends at a position opposing to a battery locking part with the rotation axis as axis of symmetry. The lock member 13 and the torsion spring 24 are disposed being aligned in the battery insertion direction in a longer side of the opening of the battery storage part 12 at a position neighboring the longer side of the opening of the battery storage part 12.SELECTED DRAWING: Figure 5

Description

  The present invention relates to an electronic device provided with a battery storage unit, and more particularly to a lock mechanism that locks movement of a battery stored in a battery storage unit in a direction in which it is inserted and removed from an opening of a housing.

  Conventionally, a portable electronic device such as a digital camera uses a battery as a power source. For this reason, in an electronic device, the battery accommodating part for accommodating a battery in the inside of a housing | casing is provided. A battery insertion / removal opening for allowing insertion / removal of the battery is formed in the battery housing portion, and a battery lid that can be opened and closed is attached to the battery insertion / removal opening.

  Some battery storage units have a lock mechanism for locking the battery stored in the storage unit from moving in the battery insertion / removal direction. For example, a lock mechanism is disclosed that includes a lock member that pivots so as to be able to lock one surface of a battery facing from an opening of a housing in which the battery is inserted into and removed from the battery housing (see Patent Document 1).

JP 2010-186633 A

  However, in the lock mechanism disclosed in Patent Document 1, the turning radius of the lock member is short, and the locus of the tip during retraction is large in the battery insertion / removal direction.

  The battery to be used is provided with a protrusion in the battery housing portion so that different types of batteries cannot be used by mistake, and the opposite battery is provided with a recess.

  If a non-regular rechargeable battery is inserted, or even if it is a regular rechargeable battery, the front and back sides are mistakenly inserted, the position of the protrusion and the recess does not match, and the battery cannot be fully inserted. Interfering with the battery, the user could easily determine that the battery was not in a normal state.

  However, if the tip of the lock member moves greatly in the battery insertion / removal direction, even if an unauthorized battery is inserted and the battery does not go all the way in, the amount of protrusion of the battery is small and the battery can be locked. Sometimes, it was difficult to distinguish.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an electronic device that can achieve reliable battery locking while ensuring miniaturization of a camera.

In order to achieve the above object, an electronic apparatus according to the present invention provides:
In an electronic device that uses a battery as a power source, a battery storage part in which the battery is removably stored, and a battery that is rotated in a direction orthogonal to the battery insertion / removal direction with respect to the battery storage part and stored in the battery storage part A locking member that moves to a position for locking the battery and a position for releasing the locking of the battery, and a rotating shaft that is parallel to the rotating shaft of the locking member. A torsion spring supported by the lock member, and the torsion spring support portion of the lock member is provided on a protrusion extending to a position opposite to the battery locking portion with the lock member rotation axis symmetrical. The springs are arranged side by side in the battery insertion / removal direction.

  ADVANTAGE OF THE INVENTION According to this invention, the electronic device which can aim at a reliable battery lock can be provided, ensuring the miniaturization of a camera.

1A and 1B are diagrams illustrating an appearance of a digital camera that is an example of an electronic apparatus according to an embodiment of the present invention, where FIG. 1A is a front view, FIG. 1B is a bottom view, and FIG. It is a perspective view of the bottom part of the digital camera of FIG. FIG. 3 is an exploded view of a peripheral portion including the battery storage portion of FIG. 2. It is an exploded three-dimensional view which shows schematic structure of a battery accommodating part. It is a fragmentary sectional view of the battery lock mechanism of a battery accommodating part, (a) shows the state in which the battery was latched by the lock member, and (b) shows the state retracted to the position where the latch of the battery is released. It is a fragmentary sectional view of the battery lock mechanism of a battery storage part, and shows the state where the battery was inserted in the non-regular insertion direction. FIG. 3 is an enlarged perspective view of a peripheral portion including the battery lock mechanism of FIG. 2.

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

  1A and 1B are views showing an external appearance of a digital camera as an example of an electronic apparatus according to an embodiment of the present invention. FIG. 1A is a front view, FIG. 1B is a bottom view, and FIG.

  The electronic device according to the embodiment of the present invention is, for example, a digital camera 1 that uses a battery as a power source. In front of the digital camera 1, an imaging unit 2 and a strobe light emitting unit 3 that performs flash emission are arranged. The imaging unit 2 includes an optical system lens (not shown), an imaging element such as a CCD, an autofocus mechanism, a zoom mechanism, and the like. A front cover 4 as an exterior cover is attached to the front of the digital camera 1, and a rear cover 5 is attached to the back of the digital camera 1.

  On the upper surface of the digital camera 1, as shown in FIG. 1C, a power button 6, a release button 7 that is pressed when shooting a still image or a moving image, and a zoom for changing the angle of view of shooting. A lever 8 is arranged. The release button 7 is locked to the zoom lever 8 with a claw (not shown).

  On the bottom surface of the digital camera 1, there are provided a tripod attachment portion 9 and a battery lid 10 which is attached to be openable and closable so as to form a part of the exterior.

  FIG. 2 is a perspective view of the bottom portion of the digital camera 1 of FIG. 1, showing a state in which the battery cover 10 is removed.

  In the case of the digital camera 1 covered with the battery cover 10, a battery mounting part 12 a, a lock member 13, a recording medium storage part 14, and a substantially elongated hole shape 2 that engages with the opening / closing shaft of the battery cover 10. A battery housing part 12 having two guide holes 12b is housed.

  The battery mounting part 12a accommodates the battery 11 so that it can be inserted and removed. The lock member 13 is a locking member for preventing the battery 11 housed in the battery mounting portion 12a from popping out.

  The recording medium storage unit 14 has an opening that is shorter than the length in the longitudinal direction of the opening provided in the battery mounting unit 12a, and a small recording medium 15 such as an SD card can be inserted and removed from the opening. It is stored in.

  As shown in FIG. 2, the opening of the recording medium storage portion 14 and the lock member 13 are located adjacent to each other within the long side direction range of the opening of the battery mounting portion 12a. It is arranged at a position away from 12b. At the position adjacent to the long side of the opening of the battery mounting portion 12a, the opening of the recording medium storage portion 14 and the lock member 13 are disposed within the long side direction of the opening. By disposing the lock member 13 on the opposite side of the guide hole 12b, it is possible to avoid the problem that it is difficult to unlock the battery cover 10 when the user operates the lock member 13.

  FIG. 3 is an exploded view of a peripheral portion including the battery storage portion 12 of FIG.

  In FIG. 3, the battery lid 10 has an opening / closing shaft 10 a formed at the end in the long side direction. The opening / closing shaft 10a engages with the guide hole 12b of the battery housing part 12 to form a hinge part of the battery cover 10, and the battery cover 10 can be moved and rotated along the guide hole 12b.

  A battery discharge spring 17 that urges the battery 11 stored in the battery mounting portion 12a in the direction of inserting / removing the battery 11 is locked in the battery insertion portion 12a by a claw (not shown). A lock member 13 is attached to the opening of the battery mounting portion 12a.

  The main board 20 is a board that performs signal processing and the like of the digital camera 1, and a connector 16 to which a flexible board that communicates with the recording medium storage section 14 and other boards can be connected on the side facing the battery mounting section 12a. Has been implemented.

  The main chassis 21 is a member for attaching the front cover 4 and the rear cover 5, and includes an opening hole 21a for screw fastening. Then, the screw 22 passes through the opening hole 21a and the opening hole 20a of the main board 20 and is fastened to the boss 12c of the battery storage part 12, and the main chassis 21, the main board 20, and the battery storage part 12 are fixed.

  Next, the configuration of the battery lock mechanism of the battery storage unit 12 will be described with reference to FIG.

  FIG. 4 is an exploded view showing a schematic configuration of the battery storage unit 12.

  In FIG. 4, a lock member 13, a shaft 23, and a torsion spring 24 are incorporated in the battery storage unit 12 as a battery lock mechanism. In a space where the battery lock mechanism is incorporated in the battery housing portion 12, ribs 12e and 12d for restricting the lock member 13 to be movable in a direction orthogonal to the insertion / removal direction of the battery 11, and a shaft hole 12g through which the shaft 23 is inserted. , 12f are formed.

  The shaft 23 functions as a rotation shaft of the lock member 13 by passing through the shaft holes 12g and 12f and the hole 13a of the lock member 13. The ribs 12e and 12d and the rotation axis of the lock member 13 are orthogonal to each other. The lock member 13 is held by the ribs 12e and 12d so as to be rotatable.

  The lock member 13 is provided with a claw 13b for locking the battery 11, and a finger hook 13c for operating the lock member 13 is provided at the tip. A protrusion 13d extends on the opposite side of the locking claw 13b across the rotation shaft, and a spring hooking hole 13e for inserting the arm 24a of the torsion spring 24 is provided.

  The battery housing part 12 is further provided with a recess 12h for holding the coil part 24b of the torsion spring 24, and a rib 12k is provided around the coil part 24b so as to surround the coil part 24b. The arm 24a of the torsion spring 24 is guided through the slit 12m formed by cutting out a part of the rib 12k so as to follow the position of the spring hooking hole 13e when the lock member 13 is rotated.

  The torsion spring 24 is held so that the rotating shaft of the coil portion 24b is parallel to the rotating shaft of the lock member 13, and the urging force thereof is at a position where the locking claw 13b of the lock member 13 always locks the battery 11. The spring hooking hole 13e is urged in a direction away from the battery 11 so as to move. The arm 24c at the other end of the torsion spring 24 is bent at a right angle so that the tip is parallel to the rotation axis, and is held by being inserted into the spring fixing hole 12n of the battery housing portion 12. The arm 24c of the torsion spring 24 is also inserted through the slit 12p formed by cutting out a part of the rib 12k.

  Since the arm 24a of the torsion spring 24 urges the spring hooking hole 13e of the lock member 13 in the direction away from the battery 11, the arm 24c at the other end acts to urge the coil portion 24b closer to the battery 11 by reaction. .

  As a result, the coil portion 24b is always brought into a position where it abuts on the battery housing portion 12, and the recess 12h and the rib 12k are slidably fitted to the coil portion 24b so that the spring 24 is held so as not to tilt or rotate. The

  Usually, the torsion spring is often supported via a shaft, but due to the influence of winding tightening, it is necessary to provide an appropriate gap between the shaft diameter and the inner diameter of the coil section, and the spring may move due to the gap. There was a tilt.

  In the present embodiment, there is a component mounting surface of the main board 20 in the vicinity of the coil portion 24b, and the spring biasing force is used rather than the holding by the shaft in terms of avoiding an electrical short by contacting the connector 16 in particular. A method of holding the spring by displacing is suitable.

  A digital camera is required to have a thin and small casing, and therefore, it is necessary to efficiently arrange components. In particular, a battery contact connector (not shown) and the recording medium storage portion 14 (not shown) with the battery 11 are mounted on the main board 20, and the three components are always arranged at positions adjacent to each other. For this reason, it is desirable that the battery lock mechanism be within the projected area of the battery 11 and the main board 20 as viewed from the front of the camera and within the projected area of the recording medium storage unit 14 as viewed from the side of the camera.

  In the configuration of this embodiment, the torsion spring 24 and the lock member 13 are aligned in the insertion / removal direction of the battery 11 and are aligned at a position where both components overlap when viewed from the camera bottom side. Further, both parts are arranged beside the recording medium storage portion 14 at a position sandwiched between the battery 11 and the main board 20, and the battery lock mechanism is housed in the space surrounded by the three parts. Thus, the space use efficiency can be improved. Further, since the area required for the battery 11 and the recording medium storage portion 14 is reduced, the size of the battery lid 10 can be reduced, and the design of the camera and the degree of freedom in design are improved.

  5A and 5B are partial cross-sectional views of the battery lock mechanism of the battery storage unit 12, where FIG. 5A is a state where the battery 11 is locked by the lock member 13, and FIG. 5B is a state when the battery 11 is unlocked. Indicates the state.

  In FIG. 5A, in a state where the battery 11 is locked by the lock member 13, the lock member 13 is urged by the torsion spring 24 in the direction of arrow A (the direction away from the battery 11), and the shaft 23 is centered. The claw 13b rotates in a direction to suppress the discharge of the battery 11, and the battery 11 is locked.

  The protrusion 13d of the lock member 13 is located away from the battery 11 with respect to the shaft 23, and when the lock member 13 rotates, the tip R shape of the protrusion 13d contacts the battery 11 (b). Rotate to the position. As a result, the battery 11 is biased so that the claw 13d comes into contact with the end portion 11a of the label wound on the surface of the battery 11 so as not to get caught.

  Further, a protrusion 13f is provided in the vicinity of the claw 13b, and the battery 11 is urged and biased. This is intended to support the battery 11 so that it does not vibrate when the camera is vibrated.

  A protrusion 12r for preventing reverse insertion of the battery 11 is provided in the back of the battery housing part 12. The battery 11 at a position opposite to the protrusion 12r is provided with a recess 11b, and the battery 11 can be inserted up to the end of the battery storage part 12 when the protrusion 12r is accommodated in the recess 11b. At this time, the battery contact connector comes into contact with a power supply terminal (not shown) of the battery 11 and can be energized.

  The lock member 13 has a shape elongated in the insertion / removal direction of the battery 11 and is spaced from the shaft 23 to the claw 13b. 5B, when the claw 13b is operated in the direction of the arrow B in FIG. 5B, the claw 13b moves away from the battery 11 in the insertion / removal direction of the battery 11 by an amount corresponding to the distance C due to the rotation locus. For reasons that will be described later, the separation distance is increased in order to reduce the distance C.

  FIG. 6 is a partial cross-sectional view of the battery lock mechanism of the battery storage unit 12 and shows a state when the battery 11 is reversely inserted.

  In this case, the recess 11b of the battery 11 is not aligned with the protrusion 12r of the battery housing portion 12, the battery 11 rides on the protrusion 12r, and the other end 11d of the battery 11 protrudes without entering the battery housing portion 12. Stop.

  Here, when the claw 13b of the lock member 13 cannot be locked, the user can easily recognize that the battery 11 is an unauthorized insertion method. However, since the claw is separated in the battery insertion / removal direction by the distance C (FIG. 5) due to the rotation trajectory of the claw 13b, the pop-out amount D of the battery 11 needs to be larger than the distance C.

  One method is to deepen the recess 11b of the battery 11 and thereby raise the protrusion 12r of the battery housing portion 12. However, when the recess 11b is deepened, a lithium ion cell (not shown) constituting the battery 11 is formed. The space to arrange becomes smaller and the battery capacity is reduced.

  Therefore, in this embodiment, the distance C from the rotation locus is reduced by increasing the distance from the shaft 23 to the claw 13b.

  On the other hand, when the separation distance from the shaft 23 to the claw 13b is increased, the entire length of the lock member 13 is increased, and the height of the electrical components mounted on the main substrate 20 in the portion facing the lock member 13 and the torsion spring 24 is restricted. Is done.

  However, in this embodiment, the torsion spring 24 is always urged toward the battery 11 so that the mounting components can be arranged efficiently.

  FIG. 7 is a partial perspective view when the battery lock mechanism is assembled. First, the arm 24 c of the torsion spring 24 is mounted in the spring fixing hole 12 n of the battery housing portion 12. The spring fixing hole 12n and the arm 24c extend parallel to the rotation axis of the coil portion 24b, and a groove 12s is provided in front of the spring fixing hole 12n so that the arm 24c can pass. When the torsion spring 24 is rotated in the direction of arrow E around the arm 24c, the coil portion 24b is positioned in the recess 12h.

  Next, the lock member 13 is inserted into the battery housing portion 12, and the arm 24a of the torsion spring 24 is inserted into the spring hooking hole 13e. The spring hooking hole 13e has an elongated hole shape in accordance with the extending direction of the lock member 13, and has a sufficient length to guide the arm 24a swinging during the lock opening / closing operation and to facilitate work when the arm 24a is inserted.

  In this state, when the projection 13d of the lock member 13 is pressed with a finger, the arm 24d of the torsion spring 24 passes through the slit 12m and moves to a position where the arm 24a is rotatably guided.

  After the hole 13a of the lock member 13 has been pushed to a position where it substantially coincides with the shaft holes 12g and 12f of the battery housing portion 12, both the lock member 13 and the torsion spring 24 are positioned simultaneously by passing through the shaft 23. .

  According to the present embodiment, the arm 24a having a sufficient amount of engagement with the spring hooking hole 13e is not worried that it will come off because the arm 24a of the torsion spring 24 is guided by the slit 12m after the shaft 23 is assembled.

  Thus, even if the rotation shafts of the lock member 13 and the torsion spring 24 are not coaxial, it is possible to achieve high productivity and cost reduction effect in that two components can be held by only one shaft 23.

  Further, according to the present embodiment, the length of the projection 13d is adjusted by providing the spring hooking hole 13e in the portion where the projection 13d extends on the opposite side of the locking claw 13b with the shaft 23 interposed therebetween. 23 and the spring hooking hole 13e can be freely set, and the spring force of the torsion spring 24 can be suppressed. By suppressing the spring force of the torsion spring 24, it becomes easy to assemble, and it is possible to set the operating force of the lock member 13 to be stronger.

  According to the above embodiment, by configuring the battery lock mechanism as described above, it is possible to reduce the thickness and size of the housing of the digital camera 1 while ensuring the space and design of the battery lid 10. . In addition, the battery lock mechanism can be configured to be elongated in parallel with the insertion / removal direction of the battery 11, and the thickness can be reduced to substantially the same thickness as the recording medium storage portion 14.

  In an electronic device including the card-type recording medium storage unit 14, a long and narrow empty space is easily formed in the vicinity of the recording medium storage unit 14. Therefore, the space use efficiency is improved by incorporating a battery lock mechanism in the empty space. Can do.

  In the above embodiment, the embodiment has been described using a digital camera as an example of an electronic device. However, a battery storage unit to which the present invention is applied is not limited thereto, and may be a mobile phone, a smartphone, or a portable game machine. There may be.

1 Digital camera, 10 Battery cover, 11 Battery, 12 Battery compartment,
12a battery mounting part, 13 lock member, 14 recording medium storage part, 23 shaft,
24 Torsion spring

Claims (5)

In electronic devices that use batteries as a power source,
A battery storage part in which a battery is removably stored;
A lock member that rotates in a direction orthogonal to the insertion / removal direction of the battery with respect to the battery storage portion and moves to a position for locking the battery stored in the battery storage portion and a position for releasing the lock of the battery; A torsion spring having a rotation axis parallel to the rotation axis of the lock member and having one end supported by the battery housing and the other end supported by the lock member;
With
The torsion spring support portion of the lock member is provided on a protrusion that extends to a position facing the battery locking portion that is symmetric with respect to the lock member rotation axis, and the lock member and the torsion spring are in the battery insertion / removal direction. Electronic devices characterized by being arranged side by side.   A recording medium storage unit that has an opening shorter than the length of the opening provided in the battery storage unit, and in which the recording medium is removably stored; 2. The electronic device according to claim 1, wherein the opening of the recording medium storage unit and the lock member are disposed in a position adjacent to the long side and within a range of the opening in the long side direction. machine.   A battery lid that is attached so as to be openable and closable so as to cover the opening provided in the battery housing, the opening being in a position adjacent to the long side of the opening of the battery housing In the range of the long side direction, the opening of the recording medium storage unit, the lock member, and the torsion spring are arranged in a row, and the lock member and the torsion spring are projected in the battery insertion / removal direction. The electronic apparatus according to claim 2, wherein the electronic apparatus is arranged in an overlapping position.   A coil portion connected to the two arms of the torsion spring, a circuit board on which the recording medium storage portion is mounted, and an electrical component is mounted at a position opposite to the coil portion, the torsion spring comprising the coil portion The urging force is provided in a direction away from the circuit board, and the battery housing portion includes a recess for supporting the coil portion. Electronics.   The battery housing portion further includes a slit for guiding the arm of the torsion spring, the torsion spring is supported by the recess and the slit so as to be movable in a direction perpendicular to the battery insertion / removal direction, and the lock member is engaged with the battery. 5. The arm according to claim 1, wherein the rotation direction of the arm of the torsion spring and the locking member rotate in opposite directions when moving to a position where the position and the locking are released. The electronic device described.