JP3239042U - Earphone cord winding device - Google Patents

Abstract

An earphone cord winding device capable of easily and stably winding an earphone cord and having a simple structure is provided. A storage case (1) having an opening (1a1) through which an earphone cord can pass is provided in a front portion (1a) and a lower portion (1b) is placed on a flat surface. a take-up reel 2 rotatably arranged around an axis X to which the winding reel 2 rotates; An operation unit 5 as an unlocking mechanism for unlocking the take-up reel 2 by the locking mechanism is provided. The take-up reel 2 has a core portion 2a around which the earphone cord is wound, and circular left and right flange portions 2b provided on both sides thereof. protrudes downward from the lower portion 1b of the storage case 1. [Selection drawing] Fig. 2

Description

The present invention relates to a winding device for winding an earphone cord into a storage case.

2. Description of the Related Art Various winding devices have been proposed that allow an earphone cord to be wound into a housing case when the earphone is not in use, and the earphone cord to be pulled out from the housing case when the earphone is in use. Many of these employ a configuration in which an elastic member such as a spiral spring (spring spring) is used to apply rotational driving force in the winding direction to a take-up reel that winds an earphone cord (for example, Patent Documents 1 to 3). 3).

On the other hand, in Patent Document 4, the rotational driving force of a drive disk partly exposed outside the storage case is transmitted to the take-up reel via interlocking means (power transmission means) such as gears and belts. , and the take-up reel is rotated. When the outer peripheral portion of the driving disk exposed outside the storage case is rotated in a predetermined direction with a fingertip or the like, the take-up reel rotates in the take-up direction and the earphone cord is taken up.

JP-A-8-237349 JP-A-10-51877 Japanese Patent Application Laid-Open No. 2002-101484 Japanese Utility Model No. 63-171089

In the conventional winding device described above, an elastic member such as a spiral spring (spring) is arranged inside the housing case, or a gear or belt is provided in order to apply a rotational driving force to the winding reel that winds the earphone cord. Since power transmission members such as are arranged, there is a problem that the structure becomes complicated.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an earphone cord winding device that can easily and stably wind an earphone cord and has a simple structure.

In order to solve the above-mentioned problems, the present invention provides a storage case having an opening at the front through which an earphone cord can pass and a lower portion placed on a flat surface; a take-up reel arranged rotatably around an axis orthogonal to the direction, a lock mechanism that locks rotation of the take-up reel in one direction and permits rotation in the other direction, and the take-up reel by the lock mechanism The take-up reel has a core portion around which the earphone cord is wound, circular left and right flange portions provided on both sides of the core portion, and the Provided is an earphone cord winding device, wherein outer peripheral portions of left and right flange portions protrude downward from a lower portion of the storage case.

According to the present invention, it is possible to provide an earphone cord winding device that allows an earphone cord winding operation to be performed easily and stably, and has a simple structure.

1 shows an earphone cord winding device according to an embodiment of the present invention, FIG. 1(a) is a side view of the winding device, and FIG. 1(b) is a top view of the winding device. 1(c) is a front view of the winding device, and FIG. 1(d) is a bottom view of the winding device. FIG. 1C is a cross-sectional view taken along the line AA in FIG. FIG. 3 is a cross-sectional view taken along the line BB in FIG. 2; 1 is a perspective view of a take-up reel; FIG. Fig. 5(a) is a view of the clip as seen from the side; Fig. 5(b) is a view showing a state in which the clamping portion of the clip is opened; FIG. 10 is a diagram showing a state in which the end on the side of the plug and the end on the plug side are respectively fixed with clips; FIG. 6(a) is a diagram showing a state when the earphone cord is wound using the earphone cord winding device according to the embodiment of the present invention, and FIG. 6(b) is a diagram showing the state when the earphone cord winding is completed. It is a figure which shows the state of.

An earphone cord winding device (hereinafter simply referred to as a "winding device") according to an embodiment of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 to 3, the winding device of this embodiment has an opening 1a1 in the front portion 1a through which an earphone cord (not shown) can pass, and the lower portion 1b is placed on a flat surface such as a desk surface. a storage case 1 placed inside the storage case 1, a take-up reel 2 rotatably placed in the storage case 1 around an axis X perpendicular to the front-rear direction of the storage case 1, and a rotation of the take-up reel 2 in one direction. It is provided with a lock mechanism, such as ratchet teeth 3 and ratchet pawl 4, which locks and allows rotation in the other direction, and an operation portion 5 for releasing the locked state of the take-up reel 2 by the lock mechanism.

In this embodiment, the storage case 1 is formed of a resin molded product having a fish motif. The front part 1a of the storage case 1 corresponds to the head of the fish, the lower part 1b corresponds to the abdomen of the fish, the rear part 1c corresponds to the tail fin of the fish, the upper part 1d corresponds to the dorsal part of the fish, and the operation part 5 corresponds to the dorsal fin. The opening 1a1 of the front part 1a gives an image of a fish with its mouth wide open. The lower portion 1b is formed flat so that it can be easily placed on a desk surface or the like. Further, the lower portion 1b is provided with an opening 1b1 through which outer peripheral portions (mainly portions of ratchet teeth 3, which will be described later) of left and right flange portions 2b, 2b of the take-up reel 2, which will be described later, protrude to the outside. Further, the upper portion 1d is provided with an opening 1d1 for projecting an operation portion 5, which will be described later, to the outside. In addition, the storage case 1 may have a shape with a motif of animals other than fish (for example, bears, pandas, lions, dinosaurs, etc.) or vehicles (for example, automobiles, buses, railroad cars, ships, etc.). .

As shown in FIG. 4, the take-up reel 2 has a core portion 2a around which an earphone cord (not shown) is wound, and circular left and right flange portions 2b, 2b provided on both sides of the core portion 2a. , and are rotatably supported around the axis X by support portions 1e, 1e (see FIG. 3) provided on both left and right sides inside the storage case 1. As shown in FIG. In this embodiment, the take-up reel 2 is made of resin molding, and the ratchet teeth 3 that constitute the lock mechanism are integrally formed on the outer peripheral portions of the left and right flange portions 2b, 2b. The core portion 2a is composed of a plurality of (six in this example) columns 2a1 arranged at predetermined intervals in the rotation direction of the take-up reel 2. As shown in FIG. The space between the pillars 2a1, 2a1 adjacent to each other in the rotational direction functions as an engaging portion for engaging a folded portion formed when the earphone cord is folded back at the intermediate portion.

As shown in FIG. 2, the outer peripheral portions of the left and right flange portions 2b, 2b of the take-up reel 2 (mainly the portion of the ratchet teeth 3) pass through an opening 1b1 in the lower portion 1b of the storage case 1, protrude downward.

As shown in FIG. 2, in this embodiment, the ratchet pawl 4 that constitutes the locking mechanism and the operating portion 5 that constitutes the unlocking mechanism are collectively provided in an operating component 6 that is an integrated resin molded product. there is The operating part 6 has a ratchet pawl 4 at its front portion, an operating portion 5 at its intermediate portion, and an elastic piece 7 extending rearward from the operating portion 5 . The operation part 6 is arranged inside the storage case 1 in a state in which the operation part 5 protrudes outside from the opening 1d1 of the upper part 1d of the storage case 1, and the rear part of the front part where the ratchet pawl 4 is located is attached to the storage case. It is pivoted to pivot pins 1d2 provided on both sides inside the upper part 1d of 1. The ratchet pawl 4 at the front of the operating part 6 is attached to the ratchet teeth 3 of the left and right flanges 2b, 2b of the take-up reel 2. is inserted into the engaging portion 1d3 provided inside the . In this state, the ratchet pawl 4 is constantly engaged with the ratchet teeth 3 of the left and right flange portions 2b, 2b to lock the counterclockwise rotation of the take-up reel 2 in the figure (earphone cord pull-out direction). (locked state). On the other hand, when the take-up reel 2 rotates in the clockwise direction (earphone cord winding direction) in FIG. Rotation is allowed. Further, when the operation part 5 is pushed down in the direction of the white arrow shown in the same figure, the elastic piece 7 is elastically deformed and bent, and the front part of the operation part 6 is rotated upward around the pivot pin 1d2, thereby turning the ratchet. The pawl 4 is released from the ratchet teeth 3. As a result, the take-up reel 2 is unlocked, and the take-up reel 2 becomes rotatable in the counterclockwise direction (earphone cord pull-out direction). When the operation part 5 is released in this state, the elastic restoring force of the elastic piece 7 causes the front part of the operation part 6 to rotate downward about the pivot pin 1d2, and the ratchet pawl 4 engages the ratchet teeth 3. Then, it automatically returns to the above locked state.

FIG. 5 shows an earphone cord clip 10 attached to the winding device of this embodiment. The clip 10 is formed of a resin molded product having a fish motif, and has a size that cannot pass through the opening 1a1 of the front portion 1a of the storage case 1. As shown in FIG. The clip 10 has a clamping portion 10a that can be opened and closed and a bent groove portion 10b. As shown in FIG. The end portion is sandwiched between the clamping portions 10a and fixed, and the end portion on the side of the plug 13 is fitted into the groove portion 10b and fixed. When the storage case 1 has a motif other than a fish, such as an animal or a vehicle, the earphone cord clip 10 may have a shape other than the fish so as to match the shape of the storage case 1 .

A procedure for winding up the earphone cord 11 will be described below.

First, the earphone cord 11 is folded back at its intermediate portion, and the end portion of the earphone cord 11 on the earphone 12 side and the end portion on the plug 13 side are fixed with clips 10, respectively, as shown in FIG. 5(c).

Next, while pinching the folded portion of the intermediate portion of the earphone cord 11 with fingers, the folded portion is pulled from the opening 1a1 of the front portion 1a of the storage case 1 to the space between the pillars 2a1 and 2a1 on the core portion 2a of the take-up reel 2. insert into the part. In this state, as shown in FIG. 6A, the lower portion 1b of the storage case 1 is placed on a flat surface such as a desk surface, and the outer peripheral portions of the left and right flange portions 2b, 2b projecting from the lower portion 1b of the storage case 1 are placed. When the storage case 1 is moved rearward (in the direction indicated by the white arrow in the figure) while pressing (mainly the portion of the ratchet teeth 3) on a flat surface, the left and right flange portions 2b, 2b become the winding portion of the earphone cord 11. It rotates in the take-up direction, and the take-up reel 2 rotates in the take-up direction of the earphone cord 11 by the rotational driving force. In the earphone cord 11, the folded portion inserted into the space between the columns 2a1, 2a1 of the core portion 2a engages with the space as the take-up reel 2 starts to rotate, and the take-up reel 2 is wound in the winding direction. is wound around the core portion 2a by the rotation of .

When the earphone cord 11 is wound up to the vicinity of the end portion in the manner described above, the clip 10 fixing the end portion of the earphone cord 11 is pushed into the opening 1a1 of the front portion 1a of the storage case 1, as shown in FIG. 6(b). , and the earphone cord 11 cannot be wound further. This prevents the entire portion of earphone cord 11 including earphone 12 and plug 13 from being pulled into storage case 1 . When the winding of the earphone cord 11 is completed in this way, even if the earphone cord 11 is pulled in the pull-out direction, the rotation of the take-up reel 2 in the pull-out direction is locked by the lock mechanism (ratchet pawl). 4 engages the ratchet teeth 3), the winding state of the earphone cord 11 is maintained.

On the other hand, in the state shown in FIG. 6B, while grasping the storage case 1 with one hand, the operating portion 5 is pushed down to unlock the take-up reel 2 (remove the ratchet pawl 4 from the ratchet teeth 3), When the clip 10 is pinched with the fingers of the other hand and pulled, the take-up reel 2 rotates in the pull-out direction and the earphone cord 11 can be pulled out.

As described above, in the winding device of this embodiment, the lower portion 1b of the storage case 1 is placed on a flat surface such as a desk surface, and the left and right flange portions 2b, 2b project downward from the lower portion 1b of the storage case 1. Since the earphone cord 11 can be wound simply by moving the storage case 1 backward while pressing the outer peripheral portion (mainly the portion of the ratchet teeth 3) on a flat surface, the operation of winding the earphone cord is easy. . Further, the rotational driving force for rotating the take-up reel 2 in the winding direction of the earphone cord 11 is given by pressing the outer peripheral portions of the left and right flange portions 2b, 2b of the take-up reel 2 onto a plane and rotating them. , the twisting rotation of the take-up reel 2 during the take-up operation is unlikely to occur, and a stable take-up operation can be performed, and an elastic member such as a spiral spring (spring spring) equipped in a conventional take-up device; Alternatively, power transmission members such as gears and belts can be dispensed with to simplify the structure.

1 storage case 1a front portion 1a1 opening 1b lower portion 2 take-up reel 2a core portion 2a1 column 2b, 2b left and right flange portions 3 ratchet tooth 4 ratchet pawl 5 operating portion 10 clip 11 earphone cord 12 earphone 13 plug X axis

Claims (5)

A storage case having an opening through which an earphone cord can pass through is provided in the front part, and the lower part is placed on a flat surface. a lock mechanism that locks rotation of the take-up reel in one direction and permits rotation in the other direction; and an unlocking mechanism that releases the locked state of the take-up reel by the lock mechanism. prepared,
The take-up reel has a core around which the earphone cord is wound, and circular left and right flanges provided on both sides of the core. An earphone cord winding device characterized by protruding downward. 2. The earphone cord winding device according to claim 1, wherein the core portion has an engaging portion for engaging a folded portion formed when the earphone cord is folded at the intermediate portion. 2. The core portion is composed of a plurality of pillars arranged at predetermined intervals in the rotation direction of the take-up reel, and the spaces between the pillars adjacent to each other in the rotation direction serve as the engaging portions. The earphone cord winding device according to 1. The lock mechanism has ratchet teeth provided on the outer peripheries of the left and right flange portions and ratchet pawls that are always engaged with the ratchet teeth, and the unlocking mechanism operates the ratchet pawls to 3. The earphone cord winding device according to claim 1, further comprising an operating portion for releasing engagement with the ratchet teeth. 3. The earphone cord according to claim 1, further comprising a clip for fixing the earphone-side end and the plug-side end of the earphone cord, wherein the clip has a size that prevents it from passing through the opening at the front of the storage case. earphone cord winding device.

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