JP3702470B2 - Electronics - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to an electronic device such as a tape cassette player with a radio.
[0002]
[Prior art]
Conventionally, for example, in a portable tape cassette player with a radio, a battery used for backup of a memory such as a radio is stored separately from a battery for a driving power source.
[0003]
This battery is a button-type battery such as a lithium battery, and is configured to be stored and held by setting the battery on the contact terminal board of the battery storage unit and closing the battery cover.
[0004]
[Problems to be solved by the invention]
By the way, in such a tape cassette player with a portable radio as an electronic device, it often swings when it is carried, or it is dropped unnecessarily and gives an impact. When the battery pops out and the cassette lid is opened for replacement of the tape cassette, the battery may fall out and be lost.
[0006]
SUMMARY An advantage of some aspects of the invention is that it provides an electronic device that can reliably hold a battery by preventing unnecessary opening of a battery lid of a battery housing portion.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention
In an electronic device in which a lid portion is attached to the main body portion so as to be openable and closable, and a battery storage portion for storing a button battery is provided on the inner surface side of the lid portion.
A battery lid that opens and closes the battery compartment is attached to the lid so that it can be pivoted up and down. The battery lid has a rotatable free end on the main body side with the lid closed with respect to the main body. The structure is provided with a blocking portion that engages with the engaging portion provided on the battery and prevents the battery lid from being opened.
[0008]
In this electronic apparatus, the main body portion is provided with a decorative frame fixed to the periphery thereof, and a recess is formed as a part of the decorative frame as the engaging portion.
Further, the battery lid has a contact surface portion that contacts the inner surface side of the lid portion on the rotation free end portion side, and the contact surface portion engages with an engagement piece provided on the inner surface side of the lid portion. A mating projection edge is provided, and the engagement projection edge is engaged and held by the engagement piece, whereby the battery lid is held in a closed state.
[0009]
[Action]
According to the present invention, when the lid is closed with respect to the main body, the battery lid is not opened and the battery is prevented from popping out and falling.
[0011]
【Example】
Hereinafter, embodiments of the present invention will be described with reference to the drawings. This example is an example in which the present invention is applied to a portable tape cassette player with a radio.
[0012]
In the figure, reference numeral 1 denotes an entire portable tape cassette player with a radio, a main body 2, a recording and / or reproducing unit (hereinafter simply referred to as a recording / reproducing unit) 3, and a cassette cover 4 having a radio tuner. It is composed of.
[0013]
The inner surface of the main body 2 is a storage portion 2a for the tape cassette C, and hub drive shafts 5a and 5b, capstans 6a and 6b, and cassette positioning pins 7a and 7b as a tape driving mechanism are disposed.
[0014]
The recording / reproducing unit 3 has a recording and / or reproducing head 8 attached to a substantially central portion of the frame 3a, an erasing head or a tape guide attached to both sides of the head 8, and the outside thereof, that is, a cassette housing portion. The pinch rollers 10a and 10b corresponding to the capstans 6a and 6b disposed in the frame 2a are attached, and the frame 3a is attached to the brackets 11a and 11b disposed on both sides of the rear edge of the cassette housing portion 2a. It is pivotally supported by fulcrum shafts 12a and 12b. The brackets 11a and 11b are formed with positioning portions 11a ₁ and 11b ₂ when the frame 3a is turned down.
[0015]
Cassette holders 13 a and 13 b are fixed to both sides of the frame 3 a of the recording / reproducing unit 3. The cassette holders 13a and 13b are formed on the bases 13a ₁ and 113b ₁ formed by aluminum die casting, the front base 13a ₁ has a substantially U-shaped holding frame 13a ₂ and the other base 13b ₁ has a front face. An L-shaped holding frame 13b ₂ is fixed, and the bases 13a ₁ and 13b ₁ are fixed to both side surfaces of the frame 3a with screws 14.
[0016]
The cassette lid portion 4 is pivotally attached to the bases 13a ₁ and 13b ₁ of the cassette holders 13a and 13b at a portion away from the shaft support portion for the brackets 11a and 11b of the frame 3a described above on the outer surface side. .
[0017]
The cassette lid 4 has a casing shape in which a peripheral surface portion, that is, front and rear surface portions 4b and 4c and both side surface portions 4a and 4e are formed on the peripheral edge of the upper surface portion 4a. It is pivotally attached to the bases 13a ₁ and 13b ₁ of 13a and 13b.
[0018]
The main body 2 and the cassette lid 4 are connected to each other at a substantially central portion of one side surface by link members 14 a and 14 b that are rotatably connected to each other, and between the main body 2 and the cassette lid 4. The opening angle is regulated.
[0019]
The cassette lid 4 is locked by the lock mechanism 15 in a closed state with respect to the main body 2. The lock mechanism 15 includes a lock member 15 a including a rotation lock plate 16 and a slide lock plate 17 provided on the front wall portion side of the main body 2, and an engagement body 18 fixed to the front surface portion 4 b of the cassette lid portion 4. The hook portion 16a of the rotary lock plate 16 on the main body 2 side with respect to the engaging body 18 on the cassette lid 4 side is configured by closing the cassette lid 4 with respect to the main body 2 by being configured to be locked member 15b. Rotatingly engaged from above, the hook portion 17a of the sliding lock plate 17 is locked by slidingly engaging from the lateral direction.
[0020]
The lock is released by sliding the slide lock plate 17 attached to the front side of the front wall portion of the main body 2 and connected to the slide lock plate 17. At the same time, the rotation lock plate 16 is rotated and the lock is released.
[0021]
Thus, the radio tuner 21 is built in the inner surface side of the cassette lid portion 4 attached to the main body portion 2. That is, the tuner circuit mount substrate 22 is fixed to the inner surface of the upper surface portion 4 a, and the substrate 22 is covered with the tuner cover 23.
[0022]
A battery storage unit 24 used for backing up a memory such as a radio is disposed at one side of the tuner 21 on the inner surface side of the circuit lid 4. The battery used for this is a flat button battery 25 such as a lithium battery, and the button battery 25 is closed by inserting and holding the battery cover 26 to close the button battery 25 to the positive and negative contact terminals of the power circuit board 27. It is made to contact | abut to 28a, 28b.
[0023]
The battery cover 26 for inserting and holding the button battery 25 is flat and has a pair of parallel arm pieces 29a, 29b extending on the base end portion (rear end portion) side of the main plate portion 26a, and the arm pieces 29a, 29b. Is attached to the cassette lid 4 so that it can be raised and lowered by being pivotally supported by shaft support pieces 30a, 30b protruding from the inner surface of the upper surface 4a of the cassette lid 4.
[0024]
The battery lid 26 is formed with side wall portions 31a and 31b on the inner surface side of both edges of the main plate portion 26a, and support surface portions 32a and 32b are projected inwardly from the end surfaces of the both side wall portions 31a and 31b. Thus, the battery insertion portion 26b is formed, and the positioning portions 31a ₁ and 31b ₁ are formed on the rear inner surfaces of the side wall portions 31a and 31b.
[0025]
Then, projecting edge portions 33a and 33b are provided at the inner surface of the front portion of both side wall portions 31a and 31b of the electricity storage lid 26, more specifically, at the inner corners between both side wall portions 31a and 31b and both support surface portions 32a and 32b. By projecting, the button battery 25 is prevented from being erroneously inserted in the opposite direction. That is, when the button battery 25 is to be inserted between the both side walls 31a and 31b of the battery lid 26 with the positive electrode surface 25a side outward, the positive electrode surface 25a side has a larger diameter than the negative electrode surface 25b side. As a result, the protrusions 33a and 33b hit and cannot be inserted.
[0026]
In addition, a contact surface portion 34 that contacts the inner surface side front portion of the upper surface portion 4a of the cassette cover portion 4 is formed at a front end portion that is a free rotation end portion of the battery cover 26. The contact surface portion 34 extends from the contact surface portion 34 to the main body. The slits 35a and 35b which are parallel to each other at the front part of the surface are cut to form an elastic surface 34a, and the elastic surface 34a is opposed to the inner surface of the front surface 4b of the cassette lid 4. the Tsumagake portion 34a ₁ is extended to the blocking portion is formed, the laterally Tsumagake portion 34a ₁ Yes forms the engagement flange 34a _2, the engagement flange 34a ₂ cassette lid 4 The battery lid 26 is held in a closed state with respect to the cassette lid portion by engaging with an engagement piece 36 that protrudes from the inner edge of the front surface portion 4b.
[0027]
On the other hand, on the edge surface of the front wall portion of the main body portion 2, specifically, on the upper surface of one side portion of the front side portion 41 a of the decorative frame 41 fixed to the periphery of the main body portion 2, the elastic portion surface 34 a of the battery lid 26 described above. An engaging portion 42 is formed corresponding to the claw hook portion 34a _{1. In} this example, the engaging portion 42 is formed by a concave portion 43, and the inner edge of the concave portion 43 is connected to the claw hook portion 34a. ₁ is formed as an engaging portion by forming it at a height corresponding to the inner surface side of ₁ , ie, the surface opposite to the surface on which the engaging protrusion 34a ₂ is formed.
[0028]
The battery cover 26 configured in this manner pulls the claw hook part 34a ₁ of the elastic part surface 34a with the cassette cover part 4 open, and the engagement protrusion 34a ₂ is separated from the engagement piece 36 on the cassette cover part 4 side. The arm pieces 29a and 29b at the rear part are opened by rotating with the shaft support part as a fulcrum. In this state, the button battery 25 is inserted into the insertion portion formed by the both side wall portions 31a and 31b on the inner surface side and the both support surface portions 32a and 32b.
[0029]
As described above, the button battery 25 is inserted so that the positive electrode surface 25a is in sliding contact with the inner surface of the main plate portion 26a of the battery lid 26. When inserted in reverse, the peripheral edge of the large-diameter positive electrode surface 25a hits the projecting edge portions 33a and 33b, and the entire insertion becomes impossible, and erroneous insertion is prevented.
[0030]
As described above, the battery cover 26 in which the button battery 25 is inserted in the normal state is closed with respect to the cassette cover portion 4 and is engaged with the engagement protrusion 36a ₂ at the engagement piece 36 to be held in the closed state. . Accordingly, the button battery 25 is set in a normal state with the negative electrode surface 25b side being in contact with the negative electrode contact terminal 28b of the power circuit board 27 and the peripheral edge of the positive electrode surface 25a being in contact with the arcuate positive electrode contact terminal 28a.
[0031]
In this manner, when the cassette cover 4 is closed with respect to the main body 2 with the battery cover 26 closed and the button battery 25 set, the inner surface of the front end of the claw hook 34a ₁ of the battery cover 26, that is, A surface formed on the side opposite to the surface on which the engagement protrusion 34 a ₂ is formed is formed by a recess 43 on the edge surface of the front wall of the main body 2, that is, on the upper surface of one side of the front side 41 a of the decorative frame 41. Corresponding to the front side of the mating portion 42 in a sliding manner.
[0032]
As described above, the hook portion 34a ₁ of the battery lid 26 has the inner surface side of the tip portion corresponding to the engagement portion 42 of the main body portion 2 so that the engagement protrusion 34a ₂ is the engagement piece 36 on the cassette lid portion 4 side. without the engagement of the engagement flange 34a ₂ is disengaged against being bent in the direction blocking the engagement piece 36 away from the opening of the battery lid 26 is prevented in the closed state of the cassette lid 26.
[0033]
Therefore, the battery cover 26 does not open even if any impact is applied, such as dropping the tape player 1, and the button battery 25 is prevented from popping out.
[0034]
Further, in this example, the tuner cover 23 covering the tuner circuit mount substrate 22 fixed to the inner surface side of the cassette lid portion 4 is provided with a compressible elastic projection member 51 at the front thereof.
[0035]
When the circuit cover 4 is opened, the elastic projection member 51 pushes out the tape cassette C inserted and held in the cassette holders 13a and 13b inside the cassette cover 4 to be inclined, and the rear portion of the tape cassette C And a front surface portion 4b of the cassette lid portion 4, a gap is formed, so that the tape cassette C can be taken out smoothly.
[0036]
When the cassette lid portion 4 is closed, the elastic projection member 51 is crimped to the tape cassette C stored in the cassette storage portion 2a of the main body portion 2 while being crushed, and a stabilizer that uses this elastic force and frictional force. Due to the effect, the tape cassette C is stably held in the cassette housing portion 2a.
[0037]
For example, the elastic protrusion member 51 is formed in a substantially cap shape with thin rubber, and can be attached by engaging the collar portion with the tuner cover 23.
[0038]
Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention.
[0039]
The electronic apparatus according to the present invention is not limited to a tape cassette player with a radio as in the above-described embodiments, but also various electronic apparatuses such as an audio recording and reproducing apparatus, a disk player, a video tape recorder apparatus, a video camera apparatus, etc. Can be configured.
[0040]
【The invention's effect】
As described above, in the electronic device in which the lid is attached to the main body so as to be openable and closable, and the battery storage for storing the button battery is provided on the inner surface side of the lid, A battery lid that opens and closes the battery compartment is attached so as to be able to turn up and down. Due to the structure provided with a blocking part that engages with the engaging part and prevents the battery cover from being opened, the battery cover is not opened even when a large impact is applied by dropping the device, etc. The battery is reliably prevented from popping out, and the risk of loss of the button battery is eliminated.
[0042]
The present invention is particularly effective when applied to portable electronic devices.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of an example of a radio-equipped tape cassette player to which the present invention is applied.
FIG. 2 is an enlarged cross-sectional view of the main part of the same.
FIG. 3 is a plan view of the battery storage unit.
FIG. 4 is a perspective view of the battery lid.
FIG. 5 is a front view of the battery lid.
[Explanation of symbols]
Tape cassette player with 1 radio (electronic equipment)
2 body part 4 cassette cover part 24 battery storage part 26 battery cover 26b battery insertion part 27 power supply circuit boards 28a, 28b positive and negative contact terminals 33a, 33b protruding edge part 34a elastic part surface 34a ₁ claw hook part (blocking member)
34a ₂ engaging protrusion 36 engaging piece 42 engaging portion 43 recess

Claims (3)

In an electronic device in which a lid portion is attached to the main body portion so as to be openable and closable, and a battery storage portion for storing a button battery is provided on the inner surface side of the lid portion.
A battery lid that opens and closes the battery housing portion is attached to the lid portion so as to be able to swing up and down, and the lid portion on the rotation free end side of the battery lid is closed with respect to the main body portion. An electronic apparatus comprising: a blocking portion that engages with an engagement portion provided on the main body portion side to prevent the battery lid from being opened.   The electronic device according to claim 1, wherein the main body portion is provided with a decorative frame fixed to the periphery thereof, and a concave portion is formed as the engaging portion in a part of the decorative frame. .   The battery lid has a contact surface portion that is in contact with the inner surface side of the lid portion on the rotation free end portion side, and the contact surface portion engages with an engagement piece provided on the inner surface side of the lid portion. The engagement protrusion is provided, and the engagement protrusion is engaged and held by the engagement piece, whereby the battery cover is held in a closed state. Electronics.

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