JPH075754Y2 - Earphone storage device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to an earphone storage device provided in various audio equipment such as a tape recorder and a radio receiver.

[Summary of the Invention] The present invention prevents an earphone from falling off by configuring an earphone storage device by a holding plate, a plate-like elastic member, and an earphone dropout prevention protrusion in an audio device integrally provided with an earphone. The present invention aims to provide an earphone storage device that can be stored satisfactorily and in which earphones can be easily taken in and out.

[Conventional technology]

Conventionally, in an audio device such as a tape recorder or a radio receiver, a mechanism for winding up and storing a cord portion of an auricle-insertion-type earphone is installed on the back side of the audio device body, and the earphone is integrally stored in the audio device body. What has been done is proposed.

In the case of the above-described audio equipment, for example, a portable cassette tape recorder, when the earphone is not used, the earphone is the main body of the tape recorder as shown in FIG.
Earphone 10 integrated with the back half 102 of 101
It is stored in a cord winding storage portion 105 for winding and storing the earphone cord 104 of 3 and an earphone storage portion 107 for locking and storing the earphone body 106.

The cord winding / accommodating section 105 includes an earphone cord accommodating space 108 and a reel drum 109 rotatably mounted in the earphone cord accommodating space 108. A signal transmission pin from the tape recorder is provided at the center of the reel drum 109 and is connected to one end of the earphone cord 104. The earphone cord 104 is pulled out of the rear half 102 from an earphone cord outlet 111 provided at one side edge 110 of the outermost peripheral portion of the earphone cord storage space 108. An earphone body 106 is provided at the other end of the earphone cord 104 pulled out to the outside of the rear half 102 in this way, and by pulling the earphone body 106, the earphone 103 is removed from the earphone cord storage space 108. It can be pulled out. Also, the reel drum 109
Put your finger on the finger hook 112 provided on the front side 109a of the
Winding direction of reel drum 109 (direction of arrow a in FIG. 7)
The earphone 103 can be stored in the earphone cord storage space 108 by rotating the earphone 103.

On the other hand, the earphone storage unit 107 that stores the earphone body 106
The rear half 102 is housed by a cover plate 114 provided with a notch 113 whose one side is open to which a part of the earphone fits, and a concave plate 115 provided opposite to the cover plate 114. The space 116 is formed and configured. Then, the earphone body 106 is configured such that the cord support portion 117 provided in a part of the reduced diameter portion of the earphone body 106 in the earphone housing portion 107 having the above-described configuration is hooked on the notch portion 113 of the cover plate 114. It is held loosely.

[Problems to be solved by the device]

However, in the configuration of the earphone storage unit 107 as described above, the earphone body 106 can be inserted into the earphone storage space 116 by simply hooking the cord support portion 117 provided on the earphone body 106 on the notch 113 of the cover plate 114. It is only fitted and held. Therefore, for example, the earphone body 106 is easily dropped from the earphone housing 107 when waiting or when an impact is applied to the tape recorder.

When the earphone body 106 falls off from the earphone housing 107 in this way, the function of the earphone housing device integrally formed with the folding tape recorder is not exerted, and the effect of providing the earphone housing device is reduced by half. Furthermore, the earphone body 106 that has come off the earphone housing 107 is placed in a state where it can be subjected to some external force (for example, a collision), which is not preferable because it may cause damage or deformation of the earphone 103.

Therefore, the present invention provides an earphone storage device in which an earphone integrated with an audio device such as a tape recorder can be securely stored and held without dropping from the earphone storage portion, and the earphone can be easily taken in and out. It is intended.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention provides a holding plate provided with a notched portion on one side to which a part of an earphone is fitted, and a holding plate disposed opposite to the holding plate. And a plate-shaped elastic member that holds the earphone main body in cooperation with the plate, and that the earphone dropout prevention protrusion is formed on at least one of the facing surfaces of the holding plate or the plate-shaped elastic member. It is a feature.

[Action]

In the earphone storage device according to the present invention, a holding plate provided with a notch so as to hold it from the back side of the earphone and a plate-like elastic body arranged at a position opposite to the holding plate cooperate with each other to ensure the operation. Hold your earphones.

That is, the urging force that presses the earphone against the holding plate is constantly applied from the plate-like elastic body toward the holding plate, so that the earphone is held between the holding plate and the plate-like elastic body.

Further, by providing the earphone dropout prevention projections on at least one of the opposite surfaces of the holding plate or the plate-like elastic member, it is possible to prevent the earphones from coming off in combination with the action of the plate-like elastic body. Becomes

〔Example〕

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

In the earphone storage device according to the present invention, the fourth
An ear-inserted earphone having a shape as shown in the figure is used. That is, as shown in FIG. 4, the earphone 11 applied to the earphone housing device according to the present invention houses a substantially disc-shaped electroacoustic transducer unit (not shown) and the electroacoustic transducer unit. The earphone body 12 includes a housing 13 that is held, and a cord support portion 14 is provided in a part of the housing 13, and a cord 15 that is connected to the earphone body 12. The housing 13 that constitutes the earphone body 12 includes a holding portion 16 that engages and holds a peripheral portion of the converter unit, an opening 18 that exposes the sound emitting surface side 17 of the converter unit to the outside, and The storage unit 19 covers the rear side of the converter unit. This storage 19
Has a substantially conical shape or a spherical shape whose diameter is gradually reduced as the distance from the converter unit increases. In addition, a cord support portion 14 that is provided so as to project to the outside of the earphone body 12 is formed in a part of the housing portion 19 of the housing 13 and connects the earphone body 12 and the cord 15.

The earphone housing device that houses and holds the earphone 11 having the above-described shape is provided with a notch 3 having one open side to which a part of the earphone is fitted, as shown in a schematic partial perspective view in FIG. A holding plate 1 and a plate-like elastic member 2 arranged so as to face the holding plate 1 so as to hold the earphone body 12 in cooperation with the holding plate 1. is there.

Here, when the earphone body 12 is housed in the earphone housing device, the holding plate 1 is on the back side of the earphone body 12 (the housing portion 19 side of the housing forming the earphone body 12).
It is provided so as to hold the earphone main body 12. Further, the holding plate 1 is provided with a notch 3 which is open on one side with which a part of the back side of the earphone body 12 is fitted. The notch 3 is formed as a notch having such a width that it can hold the approximately middle portion of the reduced diameter portion 20 of the earphone body 12 shown in FIG. In this embodiment, it is formed as a substantially U-shaped notch 3 having a width that is substantially equal to the diameter of the reduced diameter portion 20 of the earphone body 12 approximately in the middle according to the shape of the earphone body 12. In addition, it is preferable that the width of the notch 3 is formed so that the reduced diameter portion 20 of the earphone body 12 can be securely held when the earphone body 12 is stored. This notch 3
If the width of is too narrow compared to the diameter of the earphone body 12, it becomes very inconvenient when putting the earphone body 12 in and out,
If it is too wide, the earphone body 12 cannot be held securely.

The shape of the cutout portion 3 is not limited to the above-described substantially U-shape, and is such that the reduced diameter portion 20 of the earphone body 12 can be securely held when the earphone body 12 is stored. It may have any shape as long as it has a shape that takes into consideration various factors such as the shape of the earphone body 12 and design factors.

The plate-like elastic member 2 is provided as a so-called leaf spring so as to push up the earphone body 12 from the sound emitting surface side 17 of the earphone body 12 to the holding plate 1 side. The earphone body 12 is held together in cooperation. It should be noted that the plate-like elastic member 2 is located at a position facing the sound emitting surface side 17 of the earphone body 12 and extends from the entrance / exit side of the earphone body 12 to the earphone housing portion 4 and extends to the sound emitting surface of the earphone body 12. The earphone guide groove 2a having a concave shape conforming to the above shape may be provided. The earphone guide groove 2a functions as a guide when the earphone body 12 is taken in and out, and the earphone body groove 12a is provided so that the earphone body 12 can be easily taken in and out.

In the earphone storage device according to the present invention, an earphone dropout prevention projection 5 for preventing the earphone from coming off is provided on at least one of the surfaces where the holding plate 1 and the plate-like elastic member 2 face each other. Has been formed.

The earphone dropout preventing projection 5 is provided for the purpose of preventing the earphone from falling off as described above.
For example, in the earphone storage device of this embodiment,
The earphone dropout prevention projection 5 is located on the inner edge side 3a of the cutout portion 3 formed in the holding plate 1, and is the earphone body 12
At the time of storage, the reduced diameter portion 20 of the earphone body 12 has the cutout portion 3
One is provided at a predetermined position on the entrance / exit side of the earphone with respect to the portion in contact with the inner edge side 3a.

The earphone dropout prevention protrusion 5 is formed on the earphone body.
Since it suffices to achieve the purpose of preventing the falling of the earphone 12, the inner portion 2b on the plate-like elastic member 2 side may be formed at any predetermined location near the entrance / exit of the earphone main body 12. A plurality of the drop-out preventing projections 5 may be formed at positions that satisfy the above-mentioned conditions.

When the earphone dropout preventing projection 5 is provided on the entrance / exit side of the earphone body 12 of the holding plate 1 as shown in this embodiment, for example, as shown in FIG.
The inner edge 3a of the cutout 3 may be chamfered in a tapered shape so that the inlet / outlet portion of the earphone body 12 that is the inner edge 3a of the cutout 3 remains. It may be formed by attaching another member to the position where the drop-out preventing projection 5 is formed.

On the other hand, when the earphone dropout preventing projection 5 is provided on the plate-like elastic member 2 side, for example, as shown by an imaginary line in FIG. Notch 6 with a substantially U-shape or a substantially V-shape
And the notch 6 is bent upward. Alternatively, the earphone body of the plate-shaped elastic member 2
A convex member may be formed as a separate member at a predetermined location near the entrance / exit 12, or the convex portion may be integrally molded beforehand when the plate-shaped elastic member 2 is molded.

When the earphone main body 12 is stored in the earphone housing device having the above-described configuration, as shown in FIG. 3A, the notch 3 provided in the holding plate 1 and the plate-like elastic member 2 are formed. In accordance with the slide groove 2a, a force is applied from the entrance side of the earphone to the top portion 21 of the earphone body 12 with a finger so as to push down the plate-like elastic member 2 (direction of arrow b in FIG. 3A) to further prevent the earphone from falling off. By sliding the earphone body 12 into the earphone housing 4 until it gets over the protrusion 5 (in the direction of arrow c in FIG. 3A),
It can be easily stored in the earphone storage device. Then, by releasing the finger after the earphone body 12 is housed, the earphone body 12 is securely housed in the earphone body 12 by the external force (in the direction of arrow d in FIG. 3A) pressed against the holding plate 1 side by the restoring force of the plate-like elastic member 2. It is stored in the device.

Then, the earphone body 12 stored as described above
Is an external force that is constantly pressed by the plate-like elastic member 2 in the holding plate 1 side, that is, in the direction indicated by the arrow e in FIG. 3B, and the earphones are prevented from falling by the action of the earphone dropout preventing projections 5. The earphone body 12 is securely stored in the earphone storage unit 4 without falling off.

Furthermore, the earphone main body 12 stored in the earphone storage unit 4
When taking out, the finger is put on the apex 21 of the earphone body 12 and a force is applied in the direction of arrow f in FIG. 3B to push down the plate-like elastic body 2 so that the cutout portion 3 of the holding plate 1 has a predetermined position. It can be easily taken out by sliding over the earphone drop-out preventing projection 5 provided on the above and sliding it in the direction of arrow g in FIG.

The plate-like elastic member 2 is preferably a material that retains a sufficient elastic force for a long period of time. For example, ABS resin, various other plastic materials, or metal can be used. . Further, since the holding plate 1 is formed as a part of the housing of various audio equipment such as a tape recorder, the material such as the synthetic resin which is usually used for the housing of this kind of audio equipment can be used. Is.

When the earphone storage device as described above is applied to a small portable cassette tape recorder as a concrete audio device, it becomes as shown in FIG.

That is, the tape recorder 31 including a substantially rectangular casing
The front half 32 and the rear half 33 formed of synthetic resin are integrally fitted together.

The front half 32 is provided with a cassette mounting portion for storing and mounting a tape cassette, various operation buttons, and the like.

On the other hand, the rear half 33 has a built-in earphone storage device and a cord winding device for winding and storing the cord of the earphone, and the earphone integrally provided on the rear half 33 of the tape recorder 31. 11 are to be stored.

As shown in FIG. 5, the earphone accommodating device is provided with a holding portion 41 provided with a notch portion 43 having one open side to which a part of the earphone is fitted, and a holding portion 41 which is opposed to the holding portion 41. And the earphone 11 in cooperation with the holding portion 41.
And a plate-like elastic body 42 having an earphone holding portion 49 for holding the.

Here, the holding portion 41 is formed integrally with the rear half 33 of the tape recorder,
With this rear half 33 and the holding portion 41, the earphone
Eleven storage spaces, that is, earphone storages 44 are formed. The notch 43 formed in the holding portion 41 and having one open side is formed as an arc notch that substantially matches the shape of the earphone body 12. The diameter of the arc-shaped cutout portion 43 is formed to have a width that substantially coincides with the diameter of the reduced diameter portion 20 of the earphone body 12 to be housed.
Then, the inner edge 43a of the cutout portion 43 over substantially the entire circumference,
Chamfering is done in a taper shape, but the notch 43
The inlet / outlet portion of the earphone body 12 is left as a substantially convex portion without forming a taper. This convex portion serves as an earphone dropout prevention protrusion 45 for preventing the earphone from falling off. In the present embodiment, the earphone dropout prevention protrusion 45 is provided on the inner edge 43a side of the cutout portion 43 of the holding portion 41 and at the entrance / exit portion of the earphone body 12. However, the earphone dropout prevention protrusion 45 is
At the inner edge side 43a of the cutout portion 43 of the holding plate 41, the reduced diameter portion 20 of the earphone main body 12 at the time of housing the earphone main body 12 at a predetermined position on the entrance / exit side than the portion in contact with the inner edge side 43a of the cutout portion 43. It suffices if at least one is provided. By providing the earphone dropout prevention protrusion 45 at this position, the earphone body 12 is prevented from dropping off from the earphone housing portion 44.

Further, the cutout portion 43 formed in the holding portion 41 is formed with a cutout portion 43b extending substantially in the same direction as the cord support portion 14 of the earphone in a direction orthogonal to the entrance / exit direction of the earphone body 12. By forming the cutout portion 43b having substantially the same length as the cord support portion 14 of the earphone in the arc-shaped cutout portion 43 in this manner, the earphone 11 is included in the state in which the cord support portion 14 provided in the earphone body 12 is included. It can be conveniently stored in the earphone storage device.

A guide groove 46 having a width substantially equal to the outer diameter of the earphone body 12 is formed in the rear half 33 of the earphone housing 44 formed by the holding portion 41 and the rear half 33 as described above. By forming the guide groove 46, the earphone body 12 can be satisfactorily guided to the earphone housing portion 44.

Further, a cutout portion 47 having a diameter substantially equal to the outer diameter of the earphone body 12 is formed in a portion of the guide groove 46 that faces the sound emitting surface side 17 of the earphone body 12 when the earphone body 12 is stored. Has been done. The cutout portion 47 is provided to face the earphone holding portion 49 of the plate-like elastic body 42 described later. And the earphone holding part facing from this notch 47
49 acts to push up the earphone body 12 from the lower side toward the holding portion 41 side when the earphone body 12 is stored, and holds the earphone body 12 in cooperation with the holding portion 41.

The plate-like elastic body 42 is a substantially rectangular plate-like body, as shown in FIG. Further, a cutout portion 48 is partially formed so as to correspond to the cutout portion 47 in the guide groove 46 of the holding portion 41 formed on the rear half 33 side. Therefore, the plate-shaped elastic body 42 by the notch 48 is used for a so-called leaf spring-shaped earphone holding portion 49 and a brake member storage portion of an automatic winding device for a cord, which will be described later, formed on the inner surface of the rear half 33. It is divided into a protective plate 50 and a fixing portion 51 for fixing the plate-like elastic body 42. A tip portion of the earphone holding portion 49 has a substantially arc shape corresponding to the cutout portion 47 of the guide groove 46. Further, a locking piece 52 for restricting the displacement of the earphone holding portion 49 is provided at the tip of the earphone holding portion 49 formed in the arc shape. Further, a positioning piece 53 when the earphone main body 12 is stored in the earphone storage portion 44 is planted on the base end side of the earphone holding portion 49. The portion of the earphone holding portion 49 that directly contacts the sound emitting surface side 17 of the earphone main body 12 is matched with the shape of the sound emitting surface side 17 of the earphone main body 12 so that the earphone main body 12 is securely held. It is a substantially concave portion 54.

The plate-like elastic body 42 as described above has a screw shaft 55 and a screw hole 56.
Via the screw boss portion provided on the rear half 33 through the back side by engaging and locking the fixing portion 51 provided on one side of the plate-like elastic body 42 with a locking piece. Mounted inside half 33.

On the other hand, the cord storage device for storing the cord 15 of the earphone 11 may be of a type that is manually wound up like the conventional earphone cord storage device of a tape recorder. The function of the earphone storage device can be further ensured by forming the automatic winding and storage device using a different spring biasing means.

That is, as shown in FIG. 6, the cord accommodating device prevents the reel drum 61 from rotating by the drum accommodating portion 62 that accommodates the reel drum 61 for winding the cord around the inner surface 33a of the rear half 33. A brake member accommodating portion 65 for accommodating the brake lever 63 for control, the brake operation piece 64, and the like is provided.

A cutout portion 67 through which the cord 15 is pulled out is formed at one end of the brake member storage portion 65. And this notch
On one side surface of the back half 33 corresponding to 67, an opening 68 for drawing the cord 15 out of the reel drum 61 to the outside of the cassette tape recorder 31 is provided. This opening 68
Is extended and opened up to the notch 47 of the guide groove 46 formed in the holding portion 41 of the earphone storage device described above.

The reel drum 61 accommodated in the drum accommodating portion 62 holds one end of the cord 15 and is rotatable. The reel drum 61 is constantly urged to rotate in the cord winding direction (direction of arrow h in FIG. 6) by a spring spring (not shown) arranged at the center.

Further, in the brake member storage portion 65, the reel 72, the brake lever 63, the brake operation piece 64, etc. are respectively the first, second and third ribs.
It is configured by being fitted and positioned in the 69, 70, 71.

The reel 72 is provided for positioning the cord 15 when the cord 15 is pulled out and when it is wound up, and reduces sliding friction of the cord 15 with respect to the reel drum 61.

Further, the brake lever 63 has a rubber drum biasing member 73, and the drum biasing member 73 is the reel drum.
The toggle spring 74 is biased in the direction of arrow i in FIG. 6 so as to press the outer peripheral edge of 61 and prevent the reel drum 61 from rotating. Therefore, the reel drum 61 is driven by the rotation biasing force of the toggle spring 74 to cause the drum biasing member 73.
By being pressed against the outer peripheral edge of the reel drum 61, the rotation is always prevented. Further, the brake lever 63 is provided with a pressed piece 75, which is pressed by a brake operation piece 64, on the tip side in the rotation direction thereof.

Next, the brake operation piece 64 has the rib on one end side.
The rib fitting portion 76 is pivotally supported by 71, and the other end side is a rotatable free end. This brake operation piece
64 has a surface facing the brake lever 63 from the reel fitting portion 76 toward the free end side.
It is a pressing surface 77 for pressing 63. Also, on the surface opposite to the pressing surface 77, a code is attached to the brake operating piece 64.
A cord positioning piece 78 for slidably engaging the 15 is projectingly formed. Further, a reel 79 is rotatably attached to the free end side tip of the brake operating piece 64, and the code 15 can be slid on the brake operating piece 64 by the code positioning piece 78 and the reel 79. keeping.

Therefore, the brake operation piece 64 can be rotated on the reel 79 side about the rib fitting portion 76 according to the variable operation in the pulling-out direction of the cord 15.

That is, when a variable operation of the pulling out direction of the cord 15 is performed, the free end side of the brake operating piece 64 is rotated with the movement of the cord 15, and the pressed piece 75 of the brake lever 63 is pressed to brake the brake lever. Rotate 63. The rotation of the brake lever 63 releases the pressure contact of the reel drum 61 by the drum biasing member 73. At this time, the reel drum 61 is rotated in the cord winding direction (the direction of the arrow h in FIG. 7) by the rotation biasing force of the spiral spring, and the cord 15 is wound.

The brake member storage portion 65 described above is covered with the brake member storage portion protection plate 50 of the plate-like elastic body 42 described above to protect various members. On the brake member storage part protection plate 50 of the plate-like elastic body 42, a cord restricting piece 57 for restricting the variable operation in the pulling direction of the cord 15 is elastic at a position corresponding to the opening 68 formed in the rear half 33. Is provided. Therefore, in order to variably operate the code 15 to rotate the brake operation piece 64, the code 15 must be moved so as to get over the code restriction piece 57, and therefore the code 15 is carelessly moved. It is designed so that it cannot be wound up. Further, the cord 15 that has once passed over the cord restriction piece 57 is always in a state of being wound up by the cord winding device.

By using the cord winding device as the automatic winding device as described above, the earphones stored in the earphone storing device are always stored in a state of being pulled in the direction of the cord winding device, so that the cords can be stored more reliably. It will be.

Although the above-described embodiment has been described by applying to the case where there is one monaural type earphone, it is needless to say that it can be applied to the case where there are two stereo type earphones.

[Effect of device]

As is apparent from the above description, the present invention provides a holding plate that is provided to hold the back side of the earphone and a plate-like elastic member that constantly applies a pressing force from the sound emitting surface side of the earphone toward the holding plate. Since the earphone is configured to be housed by the body and the earphone drop-out preventing protrusion formed at a predetermined position on the inner surface of the facing surface of the holding plate or the plate-like elastic body, the holding plate and the plate shape By holding the earphones in cooperation with the elastic body, the earphones can be securely stored, and the earphone drop-out prevention protrusions prevent the earphones from easily popping out from the inside of the storage section, further ensuring the storage ability. it can.

Further, when taking out the stored earphones, it is only necessary to put a finger on the back side of the earphones and slide the earphones in the direction of the entrance / exit while pressing, so that the taking-out operation is very simple.

Furthermore, since the cord winding device is an automatic winding device, the earphones stored in the earphone storing device are always stored in a state of being pulled in the direction of the cord winding device. With the effect of the earphone drop-out prevention protrusion, etc., it will be stored more reliably.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a portion of an earphone storage device according to the present invention. FIG. 2 is a schematic partial plan view showing an example of the earphone drop-out preventing protrusion provided on the holding plate of the earphone housing device according to the present invention. FIG. 3A is a schematic sectional view showing a state in which the earphone main body is stored in the storage device, with its side surface cut away. FIG. 3B is a schematic sectional view showing a state in which the earphone main body is stored in the storage device, with its side surface cut away. FIG. 4 is a schematic side view showing the shape of an earphone housed in the earphone housing device according to the present invention. FIG. 5 is a schematic perspective view when the earphone storage device according to the present invention is applied to a small portable cassette tape recorder. FIG. 6 is a schematic perspective view showing a cord storage device. FIG. 7 is a schematic perspective view showing a conventional earphone storage device and cord storage device. 1 …… Holding plate 2 …… Plate-like elastic member 3 …… Notch part 5 …… Earphone dropout prevention protrusion 11 …… Earphone 12 …… Earphone body

Claims (1)

[Scope of utility model registration request] 1. A holding plate provided with a notched portion whose one side is fitted to which a part of the earphone is fitted, and an earphone which is arranged opposite to the holding plate and cooperates with the holding plate. An earphone storage device comprising: a plate-like elastic member that holds the main body; and an earphone drop-out preventing projection formed on at least one of opposing surfaces of the holding plate or the plate-like elastic member.