JP2002042759A - Electronic equipment and battery cartridge used for it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide electronic equipment which allows a battery cartridge to be inserted or removed from and which prevents falling of the battery cartridge without spoiling operability at the time of connecting and disconnecting the battery cartridge to and from an equipment main body. SOLUTION: The electronic equipment is constituted free to connect and disconnect the battery cartridge 2 capable of storing an electric power battery free to connect and disconnect, a main body 1 of the electronic equipment is furnished with an installation part 1a to install the battery cartridge and an engagement member 13 to be energized by an elastic member 14 to be projected toward the inside of the installation part, and the battery cartridge is furnished with a case body 2a formed so as to adapt to a shape of the installation part and an engaged recessed part 21 for falling prevention to be engaged with the engagement member in a state different from a state where the battery cartridge provided on the case body is perfectly installed against the main body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic apparatus and a battery cartridge used for the same, more specifically, a battery cartridge containing a plurality of batteries and the like, which is removably mounted, and a power supply battery or the like contained in the battery cartridge. The present invention relates to a driven electronic device and a battery cartridge used for the electronic device.

[0002]

2. Description of the Related Art Conventionally, as a main power supply used in electronic equipment such as an electronic camera, which is mainly used in a portable manner, for example, a general dry battery or a form in which a plurality of dry batteries are assembled is used. Various types of battery packs, such as a plurality of battery packs having substantially the same outer shape as above, are used. For this reason, in conventional electronic devices and the like, these power batteries are usually formed so as to be detachable from the device body. Therefore, when such a conventional electronic device or the like is used, an operation of inserting and removing a power supply battery from and into the device main body is involved. When such an insertion / removal operation is performed, since the power supply battery itself is relatively heavy, the power supply battery may be dropped.

[0003] In order to prevent the power battery mounted on the main body of the device from dropping, for example, Japanese Patent Application Laid-Open Nos. H10-255549 and H10-2008 disclose the means.
Various proposals have hitherto been made in Japanese Patent Laid-Open Publication No. 01-301 and the like.

[0004] The means disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 10-255749 relates to a battery case for accommodating a power supply battery in an electronic device. This battery case comprises a case body and a cover portion. The cover is configured so as to be press-fitted into the case body so that the cover does not easily come off.
This prevents the power battery and the cover housed in the battery case from falling.

The means disclosed in Japanese Patent Application Laid-Open No. 10-200801 relates to a mechanism for attaching / detaching a power supply battery in an electronic device, and includes a door which opens and closes a battery accommodating portion and locks it in a closed state. And a lock mechanism for locking the power supply battery stored in the battery storage section. Then, when the locked state of the door member is released by a predetermined operation to open the battery storage section, the power battery stored inside the battery storage section maintains the state locked by the lock mechanism. By performing the operation of releasing the lock mechanism, the power supply battery can be taken out. According to this, it is possible to prevent the power battery stored inside the battery storage unit from unexpectedly dropping when the battery storage unit is opened.

[0006]

However, in the means disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 10-255,749,
Since the cover is formed so as to press-fit into the case body, the cover and the battery can be prevented from dropping during use, but operability when inserting and removing the power supply battery from the battery case. There is a problem that it impairs. Further, when inserting and removing the cover, a strong force is applied to the cover and the case main body, so that the cover and the like may be damaged.

In the means disclosed in Japanese Patent Application Laid-Open No. 10-200801, a lock mechanism different from the lock mechanism is provided in addition to the lock mechanism for the door member.
When the locked state of the door member is released, the power supply battery can be prevented from dropping by the lock mechanism. However, when the locked state of the lock mechanism is released, the power supply battery stored in the battery storage section is removed. There is a problem that it is difficult to take out the battery.

That is, in this state, the power supply battery is pushed out of the battery storage section by the biasing force of the biasing means provided inside the battery storage section. However, in this case, it is conceivable that the portion where the power battery is exposed to the outside of the battery housing is extremely small. Therefore, in this state, it is difficult to pull out the power supply battery by grasping it with a finger or the like. In order to further pull out the power supply battery, it is necessary to perform an operation such as, for example, turning the opening of the battery storage chamber downward. is there. Then, in this case, the power supply battery can be taken out of the battery storage section by its own weight, but at this time, the power supply battery may fall.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to provide an electronic apparatus having a detachable battery cartridge capable of detachably storing a power supply battery. It is an object of the present invention to provide an electronic device capable of preventing a battery cartridge from dropping without impairing operability when attaching / detaching a battery cartridge to / from a main body, and a battery cartridge used therefor.

[0010]

In order to achieve the above object, an electronic apparatus according to a first aspect of the present invention is an electronic apparatus in which a battery cartridge capable of removably storing a power supply battery is detachably configured. The main body of the electronic device includes a mounting portion for mounting the battery cartridge, and a locking member urged by an elastic member so as to protrude toward the inside of the mounting portion. The cartridge includes a housing formed so as to conform to the shape of the mounting portion, and a housing provided in the housing in a state different from a state where the battery cartridge is completely mounted to the main body. The locking member is provided with a locked recessed portion for engaging with the stop member for preventing fall.

According to a second aspect, in the electronic device according to the first aspect, the housing of the battery cartridge is
The battery cartridge is provided with a guide groove for guiding the locking member in a direction along a mounting direction when the battery cartridge is mounted on the main body.
The guide groove is formed at a predetermined position.

According to a third aspect, in the electronic device according to the second aspect, the locking member is provided with a plurality of locking projections, and the guide groove corresponds to the locking projections. Further, a plurality of locked concave portions for preventing the drop are provided.

According to a fourth aspect of the present invention, in the electronic device according to the first aspect or the second and third aspects, the locking member is provided near an opening of the mounting portion, and The locked concave portion is provided near a substantially central portion in a mounting direction of the housing of the battery cartridge.

According to a fifth aspect of the present invention, in the electronic device according to the first to fourth aspects, the locked concave portion for preventing the fall is formed by:
The battery cartridge is formed by a plurality of wall surfaces, and a wall portion formed on the side in the direction of taking out the battery cartridge is formed so as to be inclined with respect to a wall formed on the side in the mounting direction of the battery cartridge. It is characterized by.

According to a sixth aspect, in the electronic apparatus according to the first to fifth aspects, the housing of the battery cartridge is
One of a plurality of dry batteries or a plurality of battery packs having substantially the same outer shape as a form in which a plurality of dry batteries are assembled is formed so as to be selectively mountable, and the plurality of dry batteries are mounted on the battery cartridge. The battery or the battery pack described above is formed so as to be arranged in a plurality in a direction along a long side of the housing.

According to a seventh aspect of the present invention, in the electronic apparatus according to the first to sixth aspects, the battery cartridge is engaged with the engagement member when the battery cartridge is completely attached to the main body. Characterized by being provided with a locked concave portion.

According to an eighth aspect of the present invention, in the electronic device according to the seventh aspect, the main body includes an unlocking operation member for moving the locking member against a biasing force of the elastic member. It is characterized by having.

A battery cartridge according to a ninth aspect of the present invention is provided with a mounting portion for mounting a battery cartridge capable of detachably storing a power supply battery, and is urged by an elastic member so as to protrude toward the inside of the mounting portion. A battery cartridge configured to be detachable from an electronic device having a locking member, wherein the housing is formed in a shape compatible with the mounting portion, and the battery cartridge is provided in the housing. In a state different from a state in which the main body is completely attached to the main body, there is provided a locked concave portion for preventing a fall to be engaged with the locking member.

Therefore, according to the first aspect, the battery cartridge can be prevented from dropping, and the battery cartridge can be easily attached and detached.

According to the second aspect of the present invention, the locking member is securely locked in the locked concave portion for preventing the fall, so that the battery cartridge can be reliably prevented from falling.

According to the third aspect of the present invention, the locking projection of the locking member engages with the locked recess for preventing dropping at a plurality of positions, so that the battery cartridge can be more securely dropped. Can be prevented.

According to the fourth aspect, the battery cartridge can be easily taken out from the inside of the electronic device, and at the same time, the battery cartridge can be prevented from dropping by being engaged with the locked concave portion.

According to the fifth aspect of the present invention, since the wall portion on the side of the battery cartridge removal direction is formed to be inclined, when the battery cartridge is mounted, it can be easily and smoothly performed.

According to the sixth aspect of the invention, even in a vertically long battery cartridge in which a dry battery or a battery pack can be stored and a plurality of these batteries are arranged in the longitudinal direction, the battery can be prevented from dropping and detached. Can be easily configured.

According to the seventh aspect, since the locking member is used as a part of the locking mechanism, the number of constituent members can be reduced, the manufacturing cost can be reduced, and the equipment itself can be reduced. The size can be reduced.

According to the ninth aspect, it is possible to provide a battery cartridge capable of preventing the battery cartridge from dropping from the electronic device, and to easily attach and detach the battery cartridge.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. FIG. 1 is a perspective view showing an electronic apparatus according to an embodiment of the present invention, a battery cartridge used therein, and a power supply battery housed in the battery cartridge.

There are various types of electronic equipment to which the present invention can be applied. In this embodiment, for example, an electronic camera will be described as an example.

An electronic camera as an electronic apparatus according to the present embodiment has a battery inside a camera body 1 such that a battery cartridge 2 capable of detachably storing a plurality of power supply batteries is detachable as shown in FIG. A mounting portion 1a on which the cartridge 2 can be mounted is formed at a predetermined position.

The mounting portion 1a is formed inside an opening 1b provided at a predetermined position in the exterior portion of the camera body 1, and inside the camera body 1 near the opening 1b. Locking means for locking the battery cartridge 2 mounted on the mounting portion 1a and maintaining the mounted state is provided. A lever member 11, which is an operation member for unlocking the battery cartridge 2 to unlock the battery cartridge 2, is provided in an exterior portion near the opening 1b. The lever member 11 is provided so as to be rotatable in a direction indicated by an arrow A shown in FIG. The details of the locking means will be described later (see FIG. 3).

The battery cartridge 2 has a housing 2a formed so as to conform to the shape of the mounting portion 1a of the camera body 1.
And various components disposed at predetermined positions of the housing 2a, such as a battery contact 2b.

The power supply batteries that can be accommodated in the battery cartridge 2 are, for example, a plurality of dry batteries 101 or a plurality of battery packs 102 having substantially the same outer shape as a form in which a plurality of dry batteries are assembled. The housing 2a of the battery cartridge 2 can selectively accommodate any of these power batteries. In this case, the housing 2a of the battery cartridge 2 is formed such that a plurality of these power batteries are arranged in a direction along the long side of the battery cartridge 2.

FIG. 2 is a perspective view showing details of the battery cartridge 2 in the electronic camera of the present embodiment. As shown in FIG. 2, the housing 2a of the battery cartridge 2 is provided on an outer surface on the bottom side of a battery housing 2c for housing a predetermined power supply battery.
3), the battery cartridge 2
A plurality of locked concave portions are formed for locking in various states.

The plurality of locked concave portions are provided to prevent the battery cartridge 2 from dropping from the camera body 1 when the battery cartridge 2 is at a predetermined position when the battery cartridge 2 is mounted on the camera body 1. When the battery cartridge 2 is completely mounted in the mounting portion 1a of the camera body 1 (hereinafter referred to as the mounted state of the battery cartridge 2), There are two locked recessed portions 22 for maintaining the locking.

On the other hand, two guide grooves 23 are provided at predetermined positions in a direction along the long side of the housing 2a in the exterior part on the bottom surface side of the housing 2a of the battery cartridge 2. The two guide grooves 23 are provided for engaging and guiding a part of the locking member 13 when the battery cartridge 2 is mounted inside the mounting portion 1a of the camera body 1. Things. The above-described fall prevention locked concave portion 21 is located inside the two guide grooves 23 in the long side direction of the housing 2a, that is, in the battery cartridge 2.
Is formed in the vicinity of the substantially central portion in the mounting direction.

In addition, the battery cartridge 2 has an exterior portion on the bottom surface side of the housing 2a at one end of the housing 2a and near the opening 1b when the battery cartridge 2 is mounted. At a predetermined position where it is located, the locking groove 24 for locking is perpendicular to the two guide grooves 23 described above.
Is provided. The locking locked groove 24 is provided for maintaining the mounted state of the battery cartridge 2 together with the locking locked recess 22 described above. The above-mentioned locking recess 22 is formed inside the locking groove 24.

The locking recess 21 for preventing the fall is formed in the guide groove 2.
3 is formed by a plurality of wall surfaces so as to have a concave shape. Of the plurality of wall surfaces, the battery cartridge 2 is mounted on the side in the mounting direction when the battery cartridge 2 is mounted on the camera body 1, that is, the wall 21b formed on the back side of the camera body 1. The wall 21a formed on the side in the takeout direction is formed so as to be inclined.

FIG. 3 is an enlarged exploded perspective view of a main part showing a part of the locking means of the battery cartridge in the electronic camera of the present embodiment.

The locking means for locking the battery cartridge 2 of the present electronic camera in a predetermined state inside the mounting portion 1a includes an opening 1b of the camera body 1 as shown in FIG.
Is provided in the vicinity of. The locking means includes a mounting portion 1a
A locking member 13 arranged to be able to protrude and retract toward the inside of the
The locking member 13 is biased so as to protrude toward the inside of the mounting portion 1a (in the direction of arrow B1 in FIG. 3), and is constituted by an elastic member 14 made of, for example, an extensible coil spring or the like. .

In the vicinity of the locking means, a locking release means for releasing the locked state of the battery cartridge 2 is provided. The lock release means includes a lever member 11 which is a lock release operation member for performing an operation for releasing the locked state of the battery cartridge 2, and a lever member 1.
1 and the above-mentioned locking member 13, which transmits the rotational power of the lever member 11 to the locking member 13 and
And the arm member 12 for moving the locking member 13 in a predetermined direction against the urging force.

The lever member 11 has a shape that becomes a part of a fan shape, and a through hole 11a is formed in the base thereof. As shown in FIG. 3, a screw 15a penetrates this through hole 11a. The position at which the screw 15a is provided is set to a support shaft position 15 (see FIG. 1) which is the center of rotation of the lever member 11.

In the vicinity of the through hole 11a of the lever member 11, a shaft portion 11b is integrally formed downward. The base of the shaft 11b is formed in a substantially circular shape, and at the same time, the vicinity of the tip is formed in a predetermined polygonal shape.

On the other hand, at a predetermined position which is the center of rotation of the arm member 12, a hole portion 12a having a predetermined polygonal shape substantially the same shape as the shaft portion 11b is formed. A screw hole (not shown) that can be screwed to the screw 15a is formed in the floor surface inside the hole 12a.

The distal end of the shaft 11b of the lever member 11 fits into the hole 12a of the arm member 12, and the screw 15a
Is screwed into a screw hole at the bottom of the hole 12a of the arm member 12 through the through hole 11a of the lever member 11.

In this manner, the lever member 11 and the arm member 12 are integrally connected by fitting the shaft portion 11b and the hole portion 12a and fastening by the screw 15a. Since the portion 11b is rotatably supported at its base with respect to the exterior member of the electronic camera, the lever member 11 is moved in the direction indicated by the arrow A in FIG.
When the arm member 12 is rotated in the direction, the arm member 12 is also configured to rotate in the same direction.

On the other hand, the locking member 13 is formed of a plate-like member having a substantially trapezoidal shape, and a plurality of convex portions having a predetermined shape are formed on its long side. When the battery cartridge 2 is inserted into or removed from the mounting portion 1a of the camera body 1 when the battery cartridge 2 enters a predetermined state, the battery cartridge 2
Of the battery cartridge 2 is prevented by engaging with the two fall-preventing locked concave portions 21 to prevent the fall.
When the battery cartridge 2 is completely mounted inside the battery cartridge 2, the two locking projections 13 engage with the two locking concave portions 22 of the battery cartridge 2 to maintain the mounted state.
a, there is a locking locking portion 13b which engages with the locked groove 24 for locking when the battery cartridge 2 is in the mounted state and maintains this mounted state.

A notch 13e is formed on the short side of the locking member 13, and a support member 13c for supporting the locking member 13 is integrally provided inside the notch. ing. Further, a shaft member 13d is implanted in the support member 13c so as to protrude upward.

Further, one end of the elastic member 14 is provided at the end of the support member 13c. This elastic member 14
Is fixed to a fixing member (not shown) inside the camera body 1 so that the locking member 13
Is always urged in the direction of arrow B1 in FIG. 3 by the elastic force of the elastic member 14 in the extending direction.

The arm member 12 includes the lever member 1
When the support member 13 is rotated by the rotation operation of
The contact surface 12b that contacts the shaft member 13d of FIG. Thereby, the arm member 12 can move the locking member 13 in the direction of the arrow B2 in FIG. 3 against the urging force of the elastic member 14. In FIG. 3, the locking member 13 indicated by a two-dot chain line is
It shows a state when the object is moved in the direction.

It should be noted that the surface of the lever member 11 is used to indicate what role the lever member 11 serves as an operating member, and how the operating method and operation direction are to be performed. Is provided with an index 11c which is displayed by means of simple pictograms, characters and symbols, for example. In this embodiment, as shown in FIG. 3, an index indicating that the battery cartridge 2 can be opened, an index indicating the operation direction, and the like are provided.

Other components of the present electronic camera are not directly related to the present invention, and therefore, detailed illustration and description thereof are omitted. However, these components are various members constituting a general electronic camera. Shall be provided.

In the electronic camera according to the present embodiment having the above-described structure, the operation of attaching and detaching the battery cartridge 2 to and from the camera body 1 will be described with reference to FIGS. 4, 5, 6, 7, and 8.
Will be described below. 4 and 5 are views showing the electronic camera of the present embodiment and a battery cartridge used therein. FIG. 4 shows that the battery cartridge is completely mounted at a predetermined position inside the electronic camera. It is a perspective view showing the state (wearing state). FIG. 5 is a perspective view showing a state (a state different from the mounted state) in which the battery cartridge mounted on the electronic camera is being pulled out and locked at a predetermined position by the locking means. It is.

FIGS. 6, 7 and 8 are enlarged views of the main part showing the state of the locking means in the electronic camera. FIG. 6 shows that the battery cartridge is completely mounted inside the electronic camera. 2 shows the locking means in the mounted state. FIG. 7 shows locking means in a state where the battery cartridge mounted on the electronic camera is being pulled out, and the battery cartridge is locked at a predetermined position by the locking means (a state different from the mounted state). Is shown.
FIG. 8 shows the locking means in a state where the locking of the battery cartridge by the locking means is completely released when the battery cartridge mounted on the electronic camera is being removed. 6 corresponds to FIG. 4, and FIG. 7 corresponds to FIG.

First, in order to mount the battery cartridge 2 inside the mounting portion 1a of the camera body 1 of the present electronic camera, a predetermined end of the battery cartridge 2 is inserted through the opening 1b of the camera body 1. At this time, the locking member 1 of the locking means
3 is urged toward the inside of the mounting portion 1a by the urging force of the elastic member 14, whereby the locking projection 13a and the locking locking portion 13b slightly protrude into the mounting portion 1a. It has become. The state of the locking means at this time is shown in FIG.
The state is exactly the same as shown in FIG.

In this state, the battery cartridge 2 is inserted from the opening 1b into the mounting portion 1a as described above. At this time, each of the two guide grooves 23 of the battery cartridge 2 is
, And slide along this to insert. The provision of the guide groove 23 allows the battery cartridge 2 to be reliably guided to a predetermined position inside the mounting portion 1a of the camera body 1. In this case, the locking member 13 is moved by the biasing force of the elastic member 14 in the direction indicated by the arrow B1 in FIG.
It is in the state of being pressed in the direction.

As described above, each of the two guide grooves 23 provided in the housing 2a of the battery cartridge 2 has:
The fall prevention locked concave portion 21 is formed substantially in the vicinity of the center portion, but when the battery cartridge 2 is being mounted, the one wall portion 21a of the fall prevention locked concave portion 21 is provided.
Are formed so as to be inclined, so that the battery cartridge 2 can be smoothly mounted without hindering the insertion operation. When the battery cartridge 2 is further slid after the two locking projections 13a of the locking member 13 enter the fall prevention locked recess 21, the state shown in FIG. That is, the battery cartridge 2 is completely mounted inside the mounting portion 1a of the camera body 1 of the electronic camera.

In the mounted state shown in FIG. 4, the locking member 13 enters the locking groove 24 for locking as shown in FIG. Is locked in the locked recessed portion 22 for use. This allows
In the state shown in FIGS. 4 and 6, the camera body 1 of the electronic camera
The battery cartridge 2 is completely mounted inside the mounting portion 1a that can be placed in the
Is locked by locking means, and this state is maintained.

In this state, when removing the battery cartridge 2, the lever member 11 is rotated in the direction of arrow A in FIGS. Thereby, the locking state of the battery cartridge 2 by the locking means is released. That is, when the lever member 11 is rotated in the direction of arrow A, the arm member 12 is rotated in the same direction following the rotation. Then, the contact surface 12b of the arm member 12 is
The shaft member 13d of FIG.
, That is, in a direction against the urging force of the elastic member 14. As a result, the locking member 13 moves in the direction of arrow B2, and the locked state between the locking member 13 and the locked groove 24 is released, and the battery cartridge 2 is ready to be removed. Become. Here, for example, the opening 1 of the camera body 1
When the battery cartridge 2 is directed downward, the battery cartridge 2 projects to the outside of the mounting portion 1a by its own weight and can be taken out. After releasing the locked state of the battery cartridge 2, the rotation operation applied to the lever member 11 is released.

In this way, the locked state of the battery cartridge 2 is released, the battery cartridge 2 is moved from its mounted state (the state of FIG. 4), and pulled out from the mounting section 1a of the camera body 1. At this time, the battery cartridge 2
The engagement protrusion 13a of the engagement member 13 is moved along the guide groove 23 while engaging with the guide groove 23. Then, the locking projection 13a enters the fall prevention locked recess 21 provided near the substantially central portion of the guide groove 23, and the state shown in FIGS. 5 and 7 is obtained. Here, the battery cartridge 2 is locked again. In other words, the locking projection 13a is locked by the wall 21b of the fall prevention locked recess 21. This prevents the battery cartridge 2 from dropping.

In this state, the lever member 11 is
Is turned in the direction of arrow A, the locking member 13 moves in the direction of arrow B2 in FIGS. 7 and 8 against the urging force of the elastic member 14. Therefore, the locked state of the battery cartridge 2 is released. When the battery cartridge 2 is pulled out as it is, the battery cartridge 2 is completely removed from the mounting portion 1a of the camera body 1. The state at this time corresponds to the state in FIG.

On the other hand, the battery cartridge 2 is
When the battery cartridge 2 is inserted into the mounting portion 1a, one end of the battery cartridge 2 is inserted into the opening 1b, and the battery cartridge 2 is pushed in as it is. Since the outer shape of the housing 2a of the battery cartridge 2 is formed so as to conform to the shape of the mounting portion 1a, only by inserting the battery cartridge 2 into the opening 1b, the housing 2a In the guide groove 23, the locking projection 13a of the locking member 13 of the locking means provided near the opening 1b is slidably engaged. As a result, the battery cartridge 2 is smoothly inserted into the mounting portion 1a.

When the battery cartridge 2 is inserted, the locking member 13 is engaged with the locking member 13 because the wall 21a of the locking concave portion 21 is formed so as to be inclined. The insertion is smoothly performed without being locked in the stop recess 21.

As described above, according to the above-described embodiment, the battery cartridge 2 is locked in a state different from the state where the battery cartridge 2 is completely mounted to the mounting portion 1a of the camera body 1 (the state shown in FIG. 5). The member 13 is a locked recess 2 for drop prevention.
Since the battery cartridge 2 is engaged with the battery cartridge 2, the battery cartridge 2 can be prevented from dropping, and the battery cartridge 2 can be easily attached and detached.

The battery cartridge 2 is connected to the camera body 1
When the battery cartridge 2 is mounted on the mounting portion 1a, the locking member 13 is arranged along the guide groove 23 provided in the housing 2a of the battery cartridge 2, and the locking member 13 Since the concave portion 21 is provided, the locking member 1
3 is securely locked by the fall prevention locked recess 21. Therefore, it is possible to reliably prevent the battery cartridge 2 from dropping.

The locking member 13 has two locking projections 13a.
Since the guide grooves 23 and the fall prevention locked concave portions 21 are provided in a corresponding number, respectively,
At a plurality of positions, the locking member 13 is engaged with the locked recess 21 for drop prevention. Therefore, the battery cartridge 2 can be more reliably locked and its fall can be prevented.

The locking member 13 is provided in the vicinity of the opening 1b of the mounting portion 1a, and the locked recess 21 for preventing dropping is provided in the vicinity of substantially the center of the battery cartridge 2 in the mounting direction of the housing 2a. Battery cartridge 2 is camera body 1
At the same time, it is easy to take out the battery cartridge 2 from the inside of the battery cartridge 2 by engaging the locking member 13 with the locked recess 21 for drop prevention.

On the other hand, the wall 21b formed on the side in the mounting direction of the battery cartridge 2 among the plurality of wall surfaces forming the locked recess 21 for drop prevention is located on the side in the direction in which the battery cartridge 2 is taken out. Since the formed wall portion 21a is formed to be inclined, it is easy to smoothly move the battery cartridge 2 in the mounting direction without any trouble.

The housing 2a of the battery cartridge 2 is formed so as to be selectively attachable to either the plurality of dry batteries 101 or the plurality of battery packs 102 having an outer shape substantially equal to the form in which the plurality of dry batteries are assembled. The plurality of dry batteries 101 or battery packs 102 mounted on the battery cartridge 2 are formed so as to be arranged in a plurality along the long side of the housing 2a. Therefore, although the battery cartridge 2 has a vertically long shape, in this case, the battery cartridge 2 can be more easily prevented from falling and can be easily attached and detached.

When the battery cartridge 2 is completely mounted on the camera body 1, the locking member 13 is engaged with the locking recessed portion 22 for engaging the locking member 13. The cartridge 2 is used as a part of a locking mechanism (locking mechanism). That is,
The locking mechanism for preventing falling and the locking mechanism for securing the mounted state of the battery cartridge 2 share a member. Therefore, by reducing the number of constituent members, it is possible to contribute to downsizing of the device itself and also to reduce the manufacturing cost.

[0070]

As described above, according to the present invention, it is possible to prevent a battery cartridge from dropping in an electronic device in which a battery cartridge capable of detachably storing a power supply battery can be inserted and removed, and to prevent the power supply battery from being dropped. Thus, it is possible to provide an electronic device that does not impair operability when attaching and detaching the battery cartridge, and a battery cartridge used for the electronic device.

[Brief description of the drawings]

FIG. 1 is an exemplary perspective view showing an electronic apparatus according to an embodiment of the present invention, a battery cartridge used therein, and a power supply battery housed in the battery cartridge.

FIG. 2 is a perspective view of a battery cartridge in the electronic camera of FIG.

3 is an enlarged exploded perspective view of a main part showing a part of a locking means of a battery cartridge in the electronic camera of FIG. 1;

FIG. 4 is a diagram showing the electronic camera of FIG. 1 and a battery cartridge used in the electronic camera, and is a perspective view showing a state where the battery cartridge is completely mounted at a predetermined position inside the electronic camera (a mounted state). FIG.

FIG. 5 shows a state in which the battery cartridge attached to the electronic camera in FIG. 1 is being removed, and the battery cartridge is locked at a predetermined position by locking means (a state different from the mounted state). Perspective view.

6 is an enlarged view of a main part showing a state of a locking unit in the electronic camera of FIG. 1, showing the locking unit in a mounted state of a battery cartridge.

7 is an enlarged view of a main part showing a state of locking means in the electronic camera of FIG. 1, wherein the battery cartridge is locked at a predetermined position when the battery cartridge mounted on the electronic camera is being removed. The figure which shows the locking means in the state (different from the mounting state) locked by the means.

FIG. 8 is an enlarged view of a main part showing a state of the locking means in the electronic camera of FIG. 1, and when the battery cartridge mounted on the electronic camera is being removed, locking of the battery cartridge by the locking means; FIG. 7 is a diagram showing the locking means in a state when the lock is completely released.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Camera main body 1a ... Mounting part 1b ... Opening part 2 ... Battery cartridge 2a ... Housing | casing 11 ... Lever member (lock release means) 11a ... Through-hole 11b ... Shaft part 11c ... Index 12 arm member (lock release means) 12a hole 12b contact surface 13 locking member (locking means) 13a locking projection 13b locking locking section 13c ... Support member 13d... Shaft member 13e... Notch 14... Elastic member (locking means) 15... Support shaft position 15a... Screw 21. Slope 21b Wall 22 Locking recess 23 for locking Guide groove 24 Locking groove 101 for locking 101 Dry battery 102 Battery pack

Claims (9)

[Claims] 1. An electronic device comprising a battery cartridge capable of detachably storing a power supply battery, wherein said electronic device has a mounting portion for mounting said battery cartridge, and a mounting portion for mounting said battery cartridge. A locking member urged by an elastic member so as to be able to protrude toward the inside of the battery cartridge, wherein the battery cartridge includes a housing formed so as to conform to the shape of the mounting portion. A locking recess provided on the housing to prevent the battery cartridge from falling into engagement with the locking member in a state different from a state in which the battery cartridge is completely mounted to the main body. An electronic device characterized by being constituted. 2. A housing for the battery cartridge, comprising: a guide groove for guiding the locking member in a direction along a mounting direction when the battery cartridge is mounted on the main body. The electronic device according to claim 1, wherein the locking recess for prevention is formed at a predetermined position of the guide groove. 3. The locking member is provided with a plurality of locking projections, and a plurality of the guide grooves and the plurality of locked recesses for preventing the fall are provided corresponding to the locking projections. The electronic device according to claim 2, wherein: 4. The locking member is provided near an opening of the mounting portion, and the locked concave portion for preventing dropping is provided near a substantially central portion of the battery cartridge housing in a mounting direction. The electronic device according to claim 1, wherein the electronic device comprises: 5. The locking recess for preventing dropping is formed by a plurality of wall surfaces, and a side of the battery cartridge in a take-out direction with respect to a wall formed on a side of the mounting direction of the battery cartridge. The electronic device according to any one of claims 1 to 3, wherein a wall portion formed in the second device is formed so as to be inclined. 6. A casing of the battery cartridge is formed so that either one of a plurality of dry batteries or a plurality of battery packs having an outer shape substantially equivalent to a form in which a plurality of dry batteries are assembled can be selectively mounted. And the plurality of dry batteries or the battery pack mounted on the battery cartridge are formed so as to be arranged in a plurality along a long side of the housing. The electronic device according to any one of claims 2, 3, 4, and 5. 7. The battery cartridge according to claim 1, wherein the battery cartridge is provided with a locking recess for engaging with the locking member when the battery cartridge is completely mounted on the main body. The electronic device according to any one of claim 1 or claim 2, 3, 4, 5, or 6. 8. The device according to claim 7, wherein the main body includes an operation member for unlocking the lock member to move the lock member against the urging force of the elastic member. Electronics. 9. An electronic device comprising: a mounting portion on which a battery cartridge capable of detachably storing a power supply battery can be mounted; and a locking member urged by an elastic member so as to protrude toward the inside of the mounting portion. A battery cartridge detachably mounted to a device, a housing formed in a shape adapted to the mounting portion, and provided in the housing, and the battery cartridge is completely mounted to the main body. And a locked concave portion for engaging the locking member in a state different from the locked state.