CN201123112Y

CN201123112Y - Headphone for unidirectional winding and unwinding headphone line

Info

Publication number: CN201123112Y
Application number: CNU2007201714254U
Authority: CN
Inventors: 朱勇文
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-07
Filing date: 2007-12-07
Publication date: 2008-09-24
Anticipated expiration: 2017-12-07

Abstract

The utility model discloses earphones with unidirectional coiling and uncoiling earphone wires. A plurality of unidirectional rotating structures are arranged on one surface of a wire rotating disc, and the wire rotating disc is rotationally connected with a rotating axle on the base casing; a volute spring is arranged in the space formed by the unidirectional rotating structures and the wire rotating disc, the outer end of the volute spring is fixed and connected with the cutting groove on the rotating axle on the base casing, after the upper casing and the base casing are buckled, and then are clipped with the elastic clipping part of the wire coiling switch fixed on the upper casing and the unidirectional rotating structures on the wire rotating disc. The earphones provided with the unidirectional coiling and uncoiling earphone wires and adopting the proposal can perform the adjustment to the length of the earphone wires at any moment, and is convenient for the demands of the music lovers, and the audio connector can be stably connected with the audio output opening of the audiovisual and amusement equipment during the adjusting process of the earphone wires.

Description

Folk prescription is to the earphone of folding and unfolding earphone cord

Technical field:

The utility model relates to and connects the earphone that audio-visual devices is used for playing audio signal, in particular can adjust the earphone of earphone cord length in real time, the folding and unfolding in one direction of the earphone cord of this earphone.

Background technology:

Raising along with the national life level, the demand of audiovisual entertainment also is significantly to be increased, development along with scientific and technological level, the recreational facilities of carrying are also more and more accepted by people, the people has the CD that carries mostly, MP3, audiovisual entertainment equipment such as mobile phone, can receive information whenever and wherever possible or enjoy beautiful music, what the most common and above-mentioned audio-visual equipment was arranged in pairs or groups is exactly earphone, earphone is inserted into etc. the audio signal output mouth of audiovisual entertainment equipment in the prior art by audio connector, come enjoy music or receive information by being worn over receiver on the ear, in the time need adjusting to the length of earphone cord, all be to realize by winding box on the earphone, but being applied on the box of earphone take-up at present all is two-way folding and unfolding, for example when needs shorten earphone cord, winding box can make the two ends of earphone cord, one end of receiver and an end of audio connector simultaneously via winding box be used for the entire headset line is shortened, if the earphone of this moment is in user mode, winding box may cause the effect of audio connector audio connector and audiovisual entertainment equipment the audio signal output mouth be connected actual effect, bring constant to the user.

The utility model content:

At the deficiencies in the prior art, the utility model provides a kind of earphone that makes earphone cord along a direction folding and unfolding, and it is stable that it can guarantee effectively that the joint of earphone is connected with the audio output port of audiovisual entertainment equipment.

A kind of folk prescription is to the earphone of folding and unfolding earphone cord, comprise winding box, be characterised in that: described winding box mainly comprises a upper casing, one drain pan, one changes drum, an one volute wind spring and a take-up switch, the one side of described commentaries on classics drum is provided with some unidirectional rotational structures, changeing drum is connected with rotating shaft on the drain pan, in the space that unidirectional rotational structure and commentaries on classics drum form, the volute wind spring is set, grooving in the outer end of volute wind spring and the drain pan rotating shaft is connected and fixed, and the resilient clamp member on described upper casing and drain pan button and back and the take-up switch that upper casing installs and fixes engages with the unidirectional rotational structure on the commentaries on classics drum.

Described unidirectional rotational structure comprises along changeing wire coil shaft to the protruding rafter that is provided with, and is provided with several openings on protruding rafter, in the centre position of opening the column that is higher than protruding rafter is set.

Described take-up switch comprises button and resilient clamp member, and resilient clamp member engages button and exposes surface at described upper casing with unidirectional rotational structure on changeing drum.

But adopt the folk prescription of such scheme length at any time to adjust, make things convenient for music-lover's needs, and audio connector is connected stable in the adjustment process of earphone cord with the audio output port of audiovisual entertainment equipment earphone cord to the earphone of folding and unfolding earphone cord.

Description of drawings:

Fig. 1 is a stereogram of the present utility model;

Fig. 2 is an exploded view of the present utility model;

Fig. 3 is the internal structure schematic diagram of upper casing in the utility model.

Embodiment:

According to accompanying drawing the utility model is described further below:

As Fig. 1, Fig. 2 and shown in Figure 3: the present embodiment folk prescription is to the earphone of folding and unfolding earphone cord, mainly comprise winding box 1 10 and earphone cord 80, one end of earphone cord 80 is provided with joint 100, the other end of earphone cord 80 is provided with receiver 200, an end that is provided with audio connector 100 of earphone cord 80 is connected with the audiovisual entertainment equipment of periphery after passing winding box, wherein winding box 110 mainly comprises upper casing 10, drain pan 20, change drum 30, volute wind spring 40 and take-up switch 50, changeing the protruding rafter 302 that drum 30 upper edges commentaries on classics wire coil shaft 30 is axially arranged with, on protruding rafter 302, be evenly distributed with four openings 303 in the present embodiment, column 301 be set in the centre position of opening 303.The height of a little higher than protruding rafter 302 of the height of column 301, column 301 forms unidirectional rotational structure with opening 303.The purpose of its central post 301 is to change drum 30 when not pressing take-up switch 50 can only rotate along a direction under active force, and opening 303 is used for card and take-up switch 50.

The center of drain pan 20 is provided with hollow rotating shaft 201, the inner surface of hollow rotating shaft 201 is provided with screw thread, in rotating shaft 201, be provided with the grooving 2012 of strip, the form fit of the geomery of the grooving 2012 of strip and the outer end of volute wind spring 40, be provided with perforation in the center of changeing on the drum 30, commentaries on classics drum 30 is provided with the one side of protruding rafter 302 and installs with the rotating shaft 201 on the drain pan 20 from commentaries on classics drum 30, in the space that unidirectional rotational structure 301 and commentaries on classics drum 30 form, volute wind spring 40 is set, the outer end 401 of volute wind spring 40 is connected and fixed with the grooving 2012 in drain pan 20 rotating shafts 201, by a cover plate 70 volute wind spring 40 being installed in changes in the drum 30, winding box 1 10 compressible volute wind springs 40 when drum 30 is changeed in rotation, make volute wind spring 40 savings kinetic energy, screw tight from the hollow rotating shaft 201 that cover plate 70 inserts on back and the drain pan 20 by screw 90 again, take-up switch 50 is installed on upper casing 10, button 502 on the take-up switch 50 is exposed to the surface of upper casing 10, makes things convenient for the user to operate.The resilient clamp member 501 that is installed in after upper casing 10 and drain pan 20 fastens on the take-up switch 50 of upper casing 10 engages with unidirectional rotational structure 301 on the commentaries on classics drum 30, when pressing the button 502 of take-up switch 50, behind the elastic steel strip stress deformation, can break away from unidirectional rotational structure 301 engagings, changeing drum 30 can freely rotate in the direction in the effect lower edge of volute wind spring 40, makes earphone cord 80 shortenings or packs up fully.

After upper casing 10 was connected and fixed with drain pan 20 in the utility model, earphone cord 80 passes winding box 110 and intervolves to be changeed on the drum 30, changes drum 30 when twitching earphone cord 80 1 ends that are provided with receiver 200 and can rotate unwrapping wire, and earphone cord 80 is prolonged.Press the button 502 of take-up switch 50, resilient clamp member 501 disengagings engage with unidirectional rotational structure 30, take-up automatically under 40 effects of volute wind spring.In use just, earphone cord 80 can only be along an end folding and unfolding that is provided with receiver 200, and that audio connector 100 and the interface of seehears keep being connected forever is stable, brings convenience to the user.

Claims

1, a kind of folk prescription is to the earphone of folding and unfolding earphone cord, comprise winding box, be characterised in that: described winding box mainly comprises a upper casing (10), one drain pan (20), one changes drum (30), an one volute wind spring (40) and a take-up switch (50), the one side of described commentaries on classics drum (30) is provided with some unidirectional rotational structures (301), changeing drum (30) is connected with rotating shaft (201) on the drain pan (20), in the space that unidirectional rotational structure (301) and commentaries on classics drum (30) form, volute wind spring (40) is set, grooving (2012) in the outer end (401) of volute wind spring (40) and drain pan (20) rotating shaft (201) is connected and fixed, and the resilient clamp member of the take-up switch (50) that described upper casing (10) and drain pan (20) button and back and upper casing (10) install and fix engages with the unidirectional rotational structure on the commentaries on classics drum (30).

2, folk prescription according to claim 1 is to the earphone of folding and unfolding earphone cord, it is characterized in that: described unidirectional rotational structure comprises along changeing the protruding rafter (302) that drum (30) axially is provided with, on protruding rafter (302), be provided with several and open (303), the column (301) that is higher than protruding rafter (302) is set in the centre position of opening 303

3, folk prescription according to claim 1 is to the earphone of folding and unfolding earphone cord, it is characterized in that: described take-up switch comprises button (502) and resilient clamp member (501), and resilient clamp member (501) engages button (502) and exposes surface in described upper casing (10) with unidirectional rotational structure (301) on changeing drum (30).