JP3349297B2 - Battery casing attachment / detachment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for attaching and detaching a battery casing which can be attached to and detached from a portable cassette player, an MD (mini disc) player, and the like.

[0002]

2. Description of the Related Art In a small device such as a portable cassette player or MD player, a secondary battery is generally installed inside the device main body. However, in order to extend the driving time when carrying the device, the primary battery is often used. It is used by connecting a detachable battery casing containing a battery. Therefore, the frequency of attachment and detachment between the main body casing and the battery casing increases, and the durability of the attachment / detachment device is required. Hereinafter, a device for attaching and detaching a battery casing provided in such a conventional portable MD player will be described.

FIG. 15 shows an apparatus main body such as an MD player. A battery casing 7 is attached to and detached from a main body casing 6. The main body casing 6 is provided with a concave portion, and female hooks 61 are formed integrally with the main body casing 6 at the opening edge of the concave portion.

On the bottom surface of the concave portion of the main body casing 6, a semi-disc-shaped electrode terminal 62 and a lock member 8 are provided so as to protrude. On the other hand, the connection surface of the main casing 6 has a rectangular opening, and a release knob 8a integrally formed with the lock member 8 is disposed in the opening.

FIG. 16 shows a battery casing 7 connected to the main body casing 6. The battery casing 7 has male hooks 71. An electrode hole 72 into which the main-body-side electrode terminal 62 is inserted is formed at the center of the connection surface, and electricity is supplied to the main-body-side electrode terminal 62 by the electrode terminal inside the electrode hole 72. Further, a lock member hole 9 for inserting the lock member 8 is formed in the connection surface of the battery casing.

FIG. 17 is a sectional view of the hook fitting portion in a direction perpendicular to the connection surface when the main body casing 6 and the battery casing 7 are mounted. When the battery casing 7 is mounted on the main body casing 6, the width becomes a value of W, and the main body casing 6 and the battery casing 7
A space having a width a is created by the convex portion between and.

When the battery casing 7 is mounted on the main body casing 6, a release knob 8a provided on the main body of the device is provided.
Is pushed down by a certain amount to push down the lock member 8 into the main body casing 6 so that the female hooks 61.
Are relatively slid and fitted.
Further, when the hand is released from the release knob 8a, the lock member 8 is inserted into the lock member hole 9 by the urging force. Thereby, the battery casing 7 is locked to the main body casing 6 and erroneous detachment is prevented. In order to detach the battery casing 7 from the main body casing 6, first, the release knob 8 a is slid in a fixed amount in the unlocking direction, and further, the battery casing 7 is slid relatively to the main body casing 6, and the female hook 61 ...
The battery casing 7 was detached after the fitting between the male hook 71 and the male hook 71 was released.

[0008]

In the above-mentioned conventional attaching / detaching device, since the fitting structure of the female hook 61 and the male hook 71 is adopted, a waste having a width a is provided between the battery casing 7 and the main body casing 6. Space has arisen, which is disadvantageous for miniaturization of equipment. In addition, the electrode terminal 62
Since it is largely exposed except when the battery casing 7 is connected, the external appearance of the product becomes unsightly, and the conductivity is reduced due to the adhesion of dust and the corrosion of the plating on the exposed portions of the electrode terminals. It is also present and is susceptible to external forces, with the risk of damaging the electrode terminals. in addition,
To detach the mounted battery casing 7 from the main body casing 6, (1) slide the release knob 8 a in the release direction, and (2) disengage the hook by displacing the battery casing 7 from the connection surface. Had gone. That is, the separation of the battery casing 7 requires a two-stage operation, and the separation operation is performed with both hands, which has been cumbersome.

In order to solve the above-mentioned problems, the present invention provides an attachment / detachment device which eliminates an exposed portion of an electrode on a connection surface with which a battery casing abuts, reduces the size of the body casing, and allows the battery casing to be attached / detached with a small number of operations. It is intended to provide.

[0010]

According to one aspect of the present invention, there is provided a battery casing attachment / detachment device for connecting a main body casing of an electronic device and a battery casing containing a battery. A plurality of hook shaft holes and openings are formed on the connection surface of the battery case, and a body-side electrode terminal is provided inside the opening. On the other hand, the connection surface of the battery casing is inserted into each hook shaft hole to make the relative positions of both casings. A plurality of engaging shafts engaged with the engaging shaft hole by a proper slide, and a battery unit side electrode terminal which is inserted into the opening of the main body casing and is connected to the main body side electrode terminal in the engaging state of the engaging shaft and the engaging shaft hole. Provided, and inside the main body casing
Electrode cover with an opening into which battery-side electrode terminal is inserted
Is slidable and the electrode cover is
Elastic member that urges in the direction and holds it in a position to cover the electrode terminals
The electrode cover as the battery casing is attached and detached.
A lock mechanism is provided for holding the engaging state between the engaging shaft and the engaging shaft hole while riding .

[0011] According to a second aspect of the present invention, in the first aspect, it is obtained by engaging the one with the electrode cover hanging engagement shaft.

According to a third aspect of the present invention, in the second aspect of the present invention, the lock mechanism is rotatable between a engaged position and a non-engaged position in the main body casing and is always held at the engaged position by an elastic member. A lock lever, wherein the lock lever is rotated from the engaged position to a non-engaged position as the engaging shaft moves in the engaging direction, and is engaged with the engaging shaft by returning to the engaged position to release the engagement of the engaging shaft. While the lock lever is turned,
And the lock lever rotates from the engaged position to the non-engaged position.
When the battery casing slides in the detaching direction.
It is provided with a regulating member that regulates temporarily .

According to a fourth aspect of the present invention, there is provided a main body casing of an electronic device.
The battery casing and the battery casing containing the battery.
Battery casing attachment / detachment device
A plurality of engaging shaft holes and openings are formed in the connection surface, and
Provide the main body side electrode terminal inside the opening, and
In the connecting surface of the shing, insert the casing into
A plurality of engagement with the engagement shaft hole by relative slide of
Hook shaft, inserted into the opening of the main body casing and hooked with the hook shaft
Battery side connected to the main body side electrode terminal in the state of being engaged with the shaft hole
An electrode terminal is provided so as to protrude, and
While having a lock mechanism that holds the hooked state with the shaft hole,
The lock mechanism includes a lock lever that is rotatable in a main body casing between a locking position and a non-locking position, and is always held at a locking position by an elastic member. Te is rotated to the non-merged position from the engagement position, it is of even you prevented from moving into engagement releasing direction該掛case axis to engage the engaging shaft by the return to the engagement position. According to a fifth aspect of the present invention, in the third or fourth aspect, a release knob for rotating the lock lever to a non-engagement position faces outward at a position near the connection surface of the main body casing. The operating direction of the knob and the sliding direction when the battery casing is detached are made to match.

[0014]

Therefore, according to the first aspect of the present invention, the main body casing and the battery casing can be relatively slid and connected to each other, and no useless space is formed between the two casings, while the main body side electrode terminal is connected. Since it is inside the opening and covered by the electrode cover, it is less susceptible to external force, and the possibility of damage to the main body-side electrode terminals is reduced. or,
According to the second aspect of the present invention, the electrode cover can be moved in conjunction with the attachment / detachment of the battery casing without providing a separate means for sliding the electrode cover.

According to the third aspect of the present invention, a lock is provided.
When the lever is turned to the unlocked position and the lock is released,
Pond casing slides to the detached position and falls off carelessly
No more. According to the fourth aspect of the present invention, the lock lever is rotated from the engaged position to the non-engaged position as the engaging shaft moves in the engaging direction.
Further, the lock lever is engaged with the engagement shaft by returning to the engagement position, and prevents the engagement shaft from moving in the engagement release direction. Further, according to the invention of claim 5, wherein, by operating the release knob, rotates the lock lever to the non-engagement position, the operation in the same direction of the release knob, the engaging shaft battery casing slides Move to detached state.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 is a perspective view of an apparatus main body provided with the attachment / detachment device of the present invention. In FIG. 1, a main body casing 1 in FIG. At the center of the connection surface 10, the body-side electrode terminal 1
A rectangular holder opening 12 with 3a and 13b is drilled. Further, four connection shaft holes 11 a and 11 b having the same shape are formed in the connection surface 10. In addition, hook shaft hole 1
In the shape 1, a circular hole for inserting the engaging shaft 21 is formed, and a long hole for slidingly engaging the engaging shaft 21 is formed in the right end of the circular hole. In addition, the longitudinal width of the long hole is smaller than the diameter of the circular hole.

FIG. 2 is a perspective view of the battery casing 2 of the present invention, in which a connection surface 20 with the main body casing 1 is a front view. In order to connect the battery casing 2 to the main body casing 1, on the connecting surface 20, four engaging shafts 21a to 21d of the same shape are provided.
Are arranged. A hook shaft 21b is provided near the upper left end of the connection surface 20, and a hook shaft 21a is provided near the lower left end. Also, the hanging shaft 21b is
It is located closer to the center of the upper part of the connection surface 20 than a. On the other hand, a hooking shaft 21c is provided near the upper right end of the connection surface 20,
Immediately below the hanging shaft 21c near the lower right end, a hanging shaft 21d is provided.
Are arranged respectively.

The structure of the engaging shaft 21 is a cylinder as can be seen from FIG. 2, but the diameter of the distal end 211 differs from that of the distal end 212 near the connecting surface 20, as shown in the sectional view of FIG. The diameter of the distal end 211 is larger than the diameter of the distal end 212. This is because, as described in the description of the shape of the engaging shaft hole 11, the engaging shaft 21 is inserted into the circular hole of the engaging shaft hole 11, and the engaging shaft 21 is slid into the long hole of the engaging shaft hole 11. , Which are hooked by the tip 211.

At the center of the connection surface 20, a cubic terminal holder 22 is provided. The terminal holder 22
Insulating member 22c, plus battery-side electrode terminal 2 from above
2a, insulating member 22c, negative battery-side electrode terminal 2
2b and the insulating member 22c are formed by stacking plate-shaped members in this order. The terminal holder 22 is provided at the center of the connection surface 20 in order to avoid interference with internal parts when the battery casing 2 is mounted. That is, the terminal holder 22 is provided so as to protrude from the center of the connection surface 20 in order to be inserted into the holder opening 12 of the main body casing 1.

FIG. 4 shows a state where the battery casing 2 is mounted on the main casing 1. Here, the shape of the connection surface 10 and the connection surface 20 of the main casing 1 and the battery casing 2 are substantially the same shape and the same size in order to enhance the degree of design perfection at the time of merging. FIG. 5 shows the battery casing 2 shown in FIG. When the battery casing 2 of FIG. 5 is mounted on the main body casing 1, there is a rectangular lower portion near the right end of the main body casing 1 in the connection line on the upper surface, and the release knob 5b is provided here. Have been.

FIG. 6 is a front view of the connection surface 20 of the battery casing 2, and the engaging shafts 21a to 21d are indicated by hatching so as to be easily distinguished from the attachment / detachment device of the main body casing 1. The mounting procedure of the battery casing 2 will be described in order from FIG. 7 to FIG. 7 and 9
8 is a view of the inside of the connection surface 10 from the inside of the main body casing 1, FIG. 8 is a view of the connection surface 10 in FIG. 7, and FIG.

7 and 8, the engaging shaft 11 is at the non-engaging position, and the engaging shaft hole 1 provided in the main body casing 1 is provided.
The hook shaft 21a is inserted into the hook hole 1a, the hook shaft 21b is inserted into the hook hole 11b, the hook shaft 21c is inserted into the hook hole 11c, and the hook shaft 21d is inserted into the hook hole 11d. 21d,
Each is in the inserted state. The plate-shaped electrode cover 3 provided on the inner surface of the connection surface 10 has a horizontally long mounting hole 30a,
An electrode cover shaft 3a and an electrode cover shaft 3b are provided on the inner surface of the connection surface 10. The electrode cover 3 is connected to the electrode cover shaft 3a via the mounting hole 30a,
It is movably supported in the horizontal direction by the electrode cover shaft 3b via the mounting hole 30b. Further, the electrode cover 3 is urged rightward by a spring 33.

On the other hand, a rectangular electrode cover hole 31 is formed in the center of the electrode cover 3 so that the terminal holder 2 is formed.
2 to insert the electrode cover hole 31 into the terminal holder 2
Made slightly larger than 2. Terminal holder 22
Is inserted through the holder opening 12 and the electrode cover hole 31. The contact portion 32 of the electrode cover 3 is in contact with the engaging shaft 21b. The lock lever 4 is rotatably disposed in the vicinity of the engagement shaft hole 11 a by a lock lever shaft 42, and is urged counterclockwise by a spring 41. At the right end of the lock lever 4, an inclined portion 4a that is in contact with the engaging shaft 21a is provided. A lock release claw 4b is provided at the lower right end of the lock lever 4. Further, on the inner surface of the main body casing 1, a release lever 5 is disposed at a position below and to the right of the lock lever 4 so as to be rotatable by a release lever shaft 51. Release lever 5
Has a release knob 5b exposed to the outside of the main body casing 1 at a lower portion, and an action portion 5a at an upper portion.

FIG. 9 shows the state of the engagement position. The operation of the lock lever 4 when the engagement position shown in FIG. 9 is reached from the non-engagement position shown in FIG. 7 will be described below. When a force is applied to the inclined portion 4a of the lock lever 4 from the engaging shaft 21a, the lock lever 4 rotates clockwise, and when the engaging shaft 21a passes over the upper end of the inclined portion 4a, the lock lever 4 is applied to the lock lever 4. As the lock lever 4 is urged by the spring 41, the lock lever 4 rotates counterclockwise to return to the initial position, and the engaging shaft 21a
Is held so as not to be moved by a lock portion 4c perpendicular to the engaging shaft 21a.

During the operation of the lock lever 4, the electrode cover 3 slides leftward because the contact portion 32 is pushed by the engaging shaft 21b. Thereby, the electrode cover hole 31
The terminal holder 22 inserted into the battery terminal 22a also moves to the left integrally with the electrode cover hole 31 and then stops, and the battery terminal 22a becomes the positive body electrode terminal 13a and the body electrode terminal 13b becomes negative. Are connected to the battery-side electrode terminals 22b. The detaching operation of the battery casing 2 attached to the main casing 1 will be described with reference to FIG. When the battery casing 2 is mounted, the battery casing 2 is held by the lock lever 4 at the engaging position shown in FIG. Here, the release lever 5 rotates clockwise by rotating the release knob 5b exposed to the outside of the main body casing 1 clockwise.
Further, a release knob 5b is provided for the release lever shaft 51 .
When the action portion 5a, which is substantially in the opposite direction, pushes down the lock release claw 4b, the lock lever 4 rotates counterclockwise. Thereby, the lock portion 4c of the lock lever 4
Is pushed down below the opening of the engaging shaft hole 11a, and the lock of the battery casing 2 is released. At this time,
Since a rightward urging force is applied to the engaging shaft 21b by the contact portion 32 of the electrode cover 3, when the lock is released as described above, the battery casing 2 automatically moves rightward. The state shown in FIG.

Simultaneously with the movement of the battery casing 2, the battery-side electrode terminals 22a and 13b
a and 22b are separated from each other, and the power supply from the battery casing 2 is also cut off. In FIG. 11, the hanging shafts 21a to 21a to
d moves to the circular holes of the engagement shaft holes 11a to 11d to reach the non-engagement position, and the battery casing 2 is in a detached state. When the battery casing 2 is detached, the connection surface 10 becomes
Before mounting, that is, the positive electrode terminal 13 on the main body side
a and the main body minus terminal 13 b have been returned to a state where they are concealed by the electrode cover 3. To summarize the detachment operation described above, the battery casing 2 can be separated only by a one-stage operation of releasing the lock by moving the release knob 5b.

In the case of the present embodiment shown in FIG. 12, when the battery casing 2 is mounted on the main body casing 1, there is no space between the connection surface 10 and the connection surface 20, and the overall length is shown in FIG. Since there is no space of the width a, the value is (Wa), which is smaller than the conventional example.

Next, another embodiment of the present invention shown in FIGS. 13 and 14 will be described. In the above embodiment, when the lock of the battery casing 2 by the lock lever 4 is released, the battery casing 2 receives the urging force of the spring 33 via the electrode cover 3, and thus moves to the state of FIG. 11 at a stretch. Therefore, the engaging shafts 21a to 21d are
However, in this embodiment, the battery casing 2 is displaced with the rotation of the lock lever 4 when the lock lever 4 rotates in the non-engagement direction. A regulating member 6 for temporarily regulating the sliding in the direction is provided.
Regulates sliding at a stretch to the detached position shown in FIG.

Specifically, as shown in FIGS. 13 and 14, a regulating member 6 is provided integrally or integrally with the lock lever 4, and the regulating member 6 is engaged with the lock lever 4 as shown in FIG. When it is at the position, it is outside the circular hole of the engaging shaft hole 11b, and as shown in FIG. 14, when it is rotated to the non-engaging position, it protrudes into the circular hole of the engaging shaft hole 11b. .

Therefore, when the lock lever 4 is rotated from the position shown in FIG. 13 to the position shown in FIG.
Although the battery casing 2 slides by the urging force of the spring 33, the battery casing 2 does not slide to the detached position shown in FIG. 11 at once due to the contact between the regulating member 6 and the engaging shaft 21b. Therefore, unlike the previous embodiment, the battery casing 2 does not accidentally fall off. The sliding of the battery casing 2 to the position shown in FIG. 11 is performed after the lock lever 4 returns to the position shown in FIG.

[0031]

As is evident from the foregoing description, according to the first aspect of the invention, the connecting surface of the main body casing and the cell casing,
The size of the main body casing can be reduced without generating useless space. In addition, since the body-side electrode terminal is located inside the opening, it is less likely to be damaged by external force.

[0032] Also, according to the first aspect of the invention, since the electrode terminal by the electrode cover is covered, it is possible to prevent damage due to an external force to the side electrode terminals, also help adhesion prevention of dust, moreover electrode Since the cover moves with the slide of the battery casing, the time and effort required for the investigation are not increased.

According to the second aspect of the present invention, since one of the engaging shafts is directly engaged with the electrode cover and the battery casing and the electrode cover are interlocked with each other, no separate interlocking means is required and a simple configuration is possible. Furthermore, at the time of detachment, the battery casing can be quickly moved in the detachment direction by using the elastic member for the electrode cover, and the operability is improved.

According to the third aspect of the present invention, the lock lever is rotated from the engaged position to the non-engaged position as the engaging shaft moves in the engaging direction. Subsequently, the lock lever is engaged with the engagement shaft by returning to the engagement position,
By preventing the engagement shaft from moving in the engagement release direction, the battery casing can be locked without a special locking operation, and thus the operation when the battery casing is mounted becomes very easy. Moreover, the battery casing by the lock lever
Battery casing accidentally falls when unlocking
Battery case due to careless drop-out
Can be prevented from being damaged.

According to the fourth aspect of the present invention, the lock
The lever is in the engaged position as the engaging axis moves in the engaging direction.
To the non-engagement position. Then lock
The lever is engaged with the engaging shaft by returning to the engaging position,
By preventing the engagement shaft from moving in the engagement release direction,
To lock the battery casing without any special locking operation.
Operation when installing the battery casing is very easy
Becomes easier.

According to the fifth aspect of the present invention, since the operation direction of the release knob and the detachment operation direction are matched, detachment of the battery casing can be performed very easily by one-handed operation. it can.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main body casing according to an embodiment of the present invention.

FIG. 2 is a perspective view of a battery casing in the embodiment.

FIG. 3 is an enlarged sectional view of a hook portion showing a hook state of a hook shaft.

FIG. 4 is an external perspective view of a mounted state of a main body casing and a battery casing.

FIG. 5 is an external perspective view of FIG. 4 upside down.

FIG. 6 is an external view of a battery casing connection surface.

FIG. 7 is an inner view of the connection surface of the main body casing in a state where the hanging shaft is inserted.

FIG. 8 is an external view of the connection surface of FIG. 7;

FIG. 9 is an inner view of a connection surface of the main body casing in a locked state of the engaging shaft.

FIG. 10 is an external view of the connection surface of FIG. 9;

FIG. 11 is an inner view of a connection surface of the main body casing in an unlocked state.

FIG. 12 is a side sectional view showing a state in which a battery casing is engaged with a main body casing.

FIG. 13 is an inner view of a connection surface of a main casing showing a locked state of a hook shaft in another embodiment of the present invention.

FIG. 14 is an inner view of the connection surface of the main casing showing a state immediately after unlocking of the engaging shaft in the embodiment.

FIG. 15 is a perspective view of a conventional main body casing.

FIG. 16 is a perspective view of a conventional battery casing.

FIG. 17 is a side sectional view showing a state in which a battery casing is mounted on a conventional main body casing.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Main body casing 11a, 11b, 11c, 11d Hanging shaft hole 12 Holder opening 13a, 13b Main body electrode terminal 2 Battery casing 21a, 21b, 21c, 21d Hanging shaft 22 Terminal holder 22a, 22b Battery side electrode terminal 3 Electrode cover 31 Electrode cover hole 4 Lock lever 4a Inclined part 4b Unlocking claw 4c Lock part 5 Release lever 5b Release knob 6 Control member

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01M 2/10

Claims (5)

(57) [Claims] 1. A battery casing attachment / detachment device for connecting a main body casing of an electronic device and a battery casing containing a battery, wherein a plurality of engaging shaft holes and an opening are formed in a connection surface of the main body casing, and the inside of the opening is formed. On the other hand, on the connection surface of the battery casing, a plurality of engaging shafts which are inserted into the respective engaging shaft holes and are engaged with the engaging shaft holes by relative sliding of the two casings, and an opening of the main body casing. The battery part side electrode terminal connected to the main body side electrode terminal is provided so as to protrude when the hooking shaft and the hooking shaft hole are engaged with each other, and the battery part side electrode terminal is inserted inside the main body casing.
An electrode cover with an opening to be inserted is slidably provided
And always urge the electrode cover in one direction to
An elastic member is provided to hold the battery
A battery casing attachment / detachment device comprising: a lock mechanism that slides the electrode cover in accordance with attachment / detachment of the battery and holds the engagement state between the engagement shaft and the engagement shaft hole. 2. An electrode cover is engaged with one of the engaging shafts.
The battery casing according to claim 1, wherein
apparatus. 3. The lock mechanism is provided in a main body casing.
And an elastic member rotatable between the engaged position and the non-engaged position.
It includes a lock lever which is held at all times engagement position by, the lock lever multiplied with the movement of the engagement direction of the engagement shaft
From the engaged position to the non-engaged position and return to the engaged position
And move in the direction of releasing the engagement of the engagement shaft.
While being displaced with the rotation of the lock lever,
When the bar rotates from the engaged position to the non-engaged position, the battery
Temporarily restrict the sliding of the casing in the removal direction
The battery casing attaching / detaching device according to claim 2, further comprising a regulating member . 4. A main body casing of an electronic device and a battery inside.
Battery casing connecting and disconnecting battery casing
In the device, a plurality of engaging shaft holes and openings are formed in the connection surface of the main body casing.
And the main body side electrode terminals are set inside the opening.
Only, while the connecting surface of the battery casing is inserted into the engaging shaft hole
And the engaging shaft hole is
Inserts into multiple main shafts and multiple main shafts
When the hooking shaft and the hooking shaft hole are in contact with each other,
The battery unit side electrode terminal is provided so as to protrude therefrom, and further retains the engagement state between the engagement shaft and the engagement shaft hole.
The lock mechanism includes a lock lever which is rotatable in a main casing between a engaged position and a non-engaged position and is always held in an engaged position by an elastic member. It is rotated to the non-merged position from the engagement position with the movement in the direction, electrostatic you wherein preventing movement of the engagement releasing direction該掛case axis to engage the engaging shaft by the return to the engagement position Pond casing attachment / detachment device. 5. The lock lever is turned to a non-engaged position.
Release knob near the connection surface of the main casing.
Face the outside at the side position, and operate the release knob
Match the sliding direction when removing the battery casing
Cell casing attachment apparatus according to claim 3 or 4, wherein the obtained by.