CN102547508B - Mother and child double-earphone structure and mobile terminal - Google Patents
Mother and child double-earphone structure and mobile terminal Download PDFInfo
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- CN102547508B CN102547508B CN201010620725.2A CN201010620725A CN102547508B CN 102547508 B CN102547508 B CN 102547508B CN 201010620725 A CN201010620725 A CN 201010620725A CN 102547508 B CN102547508 B CN 102547508B
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Abstract
The invention discloses a mother and child double-earphone structure and a mobile terminal. The mother and child double-earphone structure comprises a mother earphone assembly and a child earphone assembly, wherein the mother earphone assembly comprises a mother earphone receiver and a mother earphone bar; the child earphone assembly comprises a child earphone receiver; a retractable sliding bar is also arranged in the mother earphone bar; a telephone transmitter is arranged at the tail end of the sliding bar; the mother earphone receiver and the telephone transmitter are connected with a mother earphone line; one end of a child earphone line is connected with the mother earphone line through a first signal connecting element; and the other end of the child earphone line is connected with the child earphone receiver. The invention provides the earphone structure which is convenient for a user to use.
Description
Technical field
The present invention relates generally to transfer voice field, refers to especially a kind of main-sub earphone structure and mobile terminal.
Background technology
Along with electronic product, particularly such as mobile phone, notebook, have mobile terminal application day by day universal of hearing-aid function, the existing earphone of above-mentioned end product is in use usually wound around, ties a knot, carries preservation inconvenience, bring many troubles to most of users, caused most of users to abandon using this critical function of earphone.In addition, when directly using electronic product, cause user cannot avoid the electromagnetic radiation that electronic product (mobile phone etc.) produces to bring great healthy and safe hidden danger to user.For example, when people are directly attached to mobile phone in one's ear, while utilizing its loud speaker to converse, the electromagnetic radiation that mobile phone produces will directly damage the nervous centralis of human brain.For this reason, people find with research by experiment, when keeping certain distance, the brain of mobile phone and human body can effectively reduce the injury that electromagnetic radiation causes, for example, utilize handset earphone to substitute embedded in mobile phone loud speaker and listen to voice messaging, mobile phone electromagnetic wave has been reduced more than 90% the impact of human brain.
Therefore, in the urgent need to a kind of Headphone structure easy to use.
Summary of the invention
The present invention proposes a kind of main-sub earphone structure and mobile terminal, for user provides a kind of Headphone structure easy to use.
Technical scheme of the present invention is achieved in that
A main-sub earphone structure, comprises female earphone assembly and sub-earphone assembly;
Described female earphone assembly comprises female headset earpiece and female earphone bar;
Described sub-earphone assembly comprises sub-headset earpiece;
In described female earphone bar, be also provided with telescopic slide bar, the end of described slide bar is provided with transmitter;
Described female headset earpiece is all connected with female earphone cord with described transmitter, and one end of sub-earphone cord is connected with described female earphone cord by first signal linkage unit, and the other end of described sub-earphone cord is connected with described sub-headset earpiece.
Preferably, on described slide bar, be provided with the signal wire slots that described female earphone cord is passed through.
Preferably, on described transmitter, be also provided with a sound chamber.
Preferably, described sound chamber is also provided with one near a side of face and enters sound groove, described in enter in sound groove, to be provided with filter sound film.
Preferably, described female earphone assembly also comprises the first earphone cord take-up for sub-earphone cord described in rolling.
Preferably, described female earphone assembly also comprises female earphone protecgulum, female earphone bonnet, described female headset earpiece is arranged between described female earphone protecgulum and described female earphone bonnet, and described the first earphone cord take-up is arranged between described female headset earpiece and described female earphone bonnet;
Described sub-earphone assembly also comprises sub-earphone protecgulum, sub-earphone bonnet, and described sub-headset earpiece is arranged between described sub-earphone protecgulum and described sub-earphone bonnet.
Preferably, described sub-earphone assembly can be snapped on described female earphone bar by a fastener.
Preferably, described the first earphone cord take-up comprises:
Be arranged at the winding roll on main shaft, on described winding roll, be provided with a ring edge, the inside of described ring edge is provided with a torsionspring, the outer end of described torsionspring is fixedly arranged on described ring edge, the inner of described torsionspring is fixedly arranged on described main shaft, be used for driving described winding roll to rotate with sub-earphone cord described in rolling, the sub-earphone cord being wound on described winding roll is connected with described female earphone cord by described first signal linkage unit.
Preferably, described the first earphone cord take-up is also provided with a brake apparatus rotating for controlling described winding roll, and described the first earphone cord take-up also can be used for the second earphone cord take-up.
Preferably, also comprise the second earphone cord take-up, described the second earphone cord take-up comprises:
The motor of actuating force is provided, and described motor drives the winding roll being arranged on main shaft by speed change gear, and the female earphone cord being wound on described winding roll is connected with external signal by secondary signal linkage unit.
Preferably, described speed change gear comprises:
Worm screw, described worm screw is connected with the driving shaft of described motor;
The first gear, described the first gear is secondary gear, the one-level of described the first gear and the vertical interlock of described worm screw;
Be arranged at the second gear on identical main shaft with described winding roll, another grade of interlock of described the second gear and described the first gear, by female earphone cord described in winding roll rolling described in described the second gear drive, according to the difference of gear ratio, described speed change gear can also be comprised of a plurality of multi-stage gears.
Preferably, described the second earphone cord take-up also comprises:
Shell, described shell comprises upper casing and base, is provided with an opening on the sidewall of described shell, has a pulley in described opening, and described pulley is arranged on described base by pulley spindle, and described female earphone cord stretches out described shell by described pulley.
Preferably, be also provided with one and work in coordination to block the fabric wheel of described female earphone cord with described pulley on described shell, described female earphone cord passes between described pulley and described fabric wheel.
Preferably, described the second earphone cord take-up also comprises the arrangement of clutch being arranged between described motor and described winding roll, by described arrangement of clutch, realizes the interlock of described motor and described winding roll or separated.
Preferably, described arrangement of clutch comprises the Compress Spring being arranged on described main shaft, one end of described Compress Spring contacts with the bottom surface of described base, the other end of described Compress Spring and described the second Gear Contact, by the poor object that realizes clutch of the power between Compress Spring and speed change gear and winding roll.
Preferably, described secondary signal linkage unit comprises circuit board, described circuit board is provided with many annular conductive foils, described conductive foil is connected with described female earphone cord, described conductive foil is connected with external signal with contact pilotage lead-in wire by spring stylus, and described spring stylus is communicated with described conductive foil.
Preferably, also comprise the second earphone cord take-up, described the second earphone cord take-up comprises:
Drive system;
Be arranged at described drivetrain and unify the driving wheel of side, described driving wheel is by described drive systems;
Be arranged at the support wheel of described drive system opposite side;
Be surrounded on the spiral circle of described driving wheel and described support wheel, the described spiral circle described female earphone cord that is used for reeling, the described female earphone cord being wound on described spiral circle is connected with external signal by secondary signal linkage unit, described driving wheel rotates by the moving described support wheel of described spiral astragal, described female earphone cord is wound on described spiral circle and carries out take-up.
Preferably, described the second earphone cord take-up also comprises:
Be arranged at the arrangement of clutch between described drive system and described driving wheel, described drive system drives described driving wheel by described arrangement of clutch, and when described female earphone cord unwrapping wire drives described driving wheel time rotational or take-up to complete separated described drive system and described driving wheel.
Preferably, described drive system is micromachine, and described arrangement of clutch is a circular platform type gear.
Preferably, described driving wheel comprises the first circular lateral plate and the second circular lateral plate, described the first circular lateral plate is connected by a main shaft with described the second circular lateral plate, and the medial surface of described the first circular lateral plate is provided with a plurality of gears that are circumferential arrangement around described main shaft;
Described micromachine is by being arranged at the gear and described circular platform type engaged gears or separated on described micromachine main shaft.
Preferably, on described spiral circle, be provided with the annular spiral groove being formed by a plurality of U-shaped cable clamping interfaces, during described female earphone cord take-up, be wound in described annular spiral groove.
Preferably, also comprise:
Oblong shell, is provided with an opening on the sidewall of described shell, described female earphone cord stretches out described shell by described opening.
Preferably, described secondary signal linkage unit comprises:
A plurality of signal communication shell fragments that are arranged at described U-shaped cable clamping interface outside, described female earphone cord is connected with described signal communication shell fragment;
Be arranged on described outer casing inner wall and can contact with described signal communication shell fragment a plurality of signal communication tracks that are communicated with, described signal communication track consists of annular conductive metal thin plate, and is connected with the mainboard signal of outer lateral terminal by holding wire.
Preferably, described support wheel is to be a plurality of balls or the cylinder that semi-circumference is arranged.
A mobile terminal, comprises terminal body, and described mobile terminal also comprises main-sub earphone structure as above.
Technical scheme setting of the present invention comprises the two earpiece configuration of female earphone and sub-earphone, for user provides a kind of Headphone structure easy to use; Further, by being arranged at the sub-earphone cord of the sub-earphone of take-up rolling on female earphone, be both conducive to the take-up of female earphone cord (single line), and can have isolated sub-earphone from female earphone again, thereby reach the effect of dual track.Do not need dual track, when stereo, only using female earphone; As needs dual track, when stereo, can from female earphone, pull out sub-earphone and sub-earphone cord, son, female two earphones are worn over respectively to two ears in left and right and answer message, thus the dual track of bringing, stereo impression.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of main-sub earphone structure the first embodiment of the present invention;
Fig. 2 is the generalized section of a kind of main-sub earphone structure of the present invention;
Fig. 3 is the end view of a kind of main-sub earphone structure of the present invention;
Fig. 4 is the profile of the first earphone cord take-up in a kind of main-sub earphone structure of the present invention;
Fig. 5 is the structural representation of the first earphone cord take-up in a kind of main-sub earphone structure of the present invention;
Fig. 6 is the profile that the present invention's the second earphone cord take-up forms structural representation;
Fig. 7 is related to schematic diagram between drive system, arrangement of clutch and driving wheel in described the second earphone cord take-up;
Fig. 8 is spiral circle and be arranged at the schematic cross-section of U-shaped cable clamping interface on spiral circle in described the second earphone cord take-up;
Fig. 9 is related to schematic diagram between U-shaped cable clamping interface, signal connection device, shell in described the second earphone cord take-up;
Figure 10 is the profile that the present invention second another embodiment of earphone cord take-up forms structural representation;
Figure 11 is the STRUCTURE DECOMPOSITION figure of the present invention second another embodiment of earphone cord take-up;
Figure 12 is the structure chart of secondary signal linkage unit in the second earphone cord take-up described in Figure 11;
Figure 13 is the inside schematic diagram of the present invention second another embodiment of earphone cord take-up;
Figure 14 is the view of main-sub earphone structure slide bar of the present invention while not pulling out;
Figure 15 is the view of main-sub earphone structure slide bar of the present invention while pulling out.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Referring to figs. 1 through Fig. 4 and Figure 14, Figure 15, show the structural representation of a kind of main-sub earphone structure the first embodiment of the present invention.Described main-sub earphone structure comprises female earphone assembly and sub-earphone assembly, and described female earphone assembly comprises female headset earpiece 52, and described female earphone assembly also comprises the first earphone cord take-up 53 for the sub-earphone cord 512 of rolling; Described sub-earphone assembly comprises sub-headset earpiece 59; Described female headset earpiece 52 is connected with female earphone cord 6, and one end of described sub-earphone cord 512 is connected with described female earphone cord 6 by first signal linkage unit 5106, and the other end of described sub-earphone cord 512 is connected with described sub-headset earpiece 59.
Wherein, described female earphone assembly comprises female earphone protecgulum 51, female earphone bonnet 54, be arranged at the female headset earpiece 52 between described female earphone protecgulum 51 and described female earphone bonnet 54, also comprise the first earphone cord take-up 53 for the sub-earphone cord 512 of rolling being arranged between described female headset earpiece 52 and described female earphone bonnet 54; Described sub-earphone assembly comprises sub-earphone protecgulum 58, sub-earphone bonnet 510, and is arranged at the sub-headset earpiece 59 between described sub-earphone protecgulum 58 and described sub-earphone bonnet 510.
Described female headset earpiece 52 is connected with female earphone cord 6, and one end of described sub-earphone cord 512 is connected with described female earphone cord 6 by first signal linkage unit 5106, and the other end of described sub-earphone cord 512 is connected with described sub-headset earpiece 59.
Described female earphone assembly also comprises the female earphone bar 55 being arranged on described female earphone bonnet 54, and described sub-earphone assembly can be snapped on described female earphone bar 55 by a fastener 516.
In the time only need to using an earphone (female earphone), described sub-earphone cord 512 is by rolling in the first earphone cord take-up 53 on described female earphone assembly, described sub-earphone assembly can be snapped on described female earphone bar 55 by a fastener 516, at this moment, the other end is buckled in 516 places of female earphone bar, and described female earphone assembly and described sub-earphone assembly are an integral body (as shown in Figure 1) in appearance.In needs dual track, stereo and while using biphone, can pull out sub-earphone cord 512 in the first earphone cord take-up 53 from female earphone assembly, more sub-earphone is inserted on another ear, can complete dual track, stereosonic biphone is answered.
On the sub-earphone bonnet 510 of described sub-earphone assembly, sub-earphone bar 511 also can be set, when not needing to use described sub-earphone assembly, described sub-earphone bar 511 can insert in eye-splice 515 places of described female earphone assembly, thereby makes described female earphone assembly and described sub-earphone assembly in appearance more as an integral body.
In addition, described main-sub earphone structure also comprises transmitter 56, and described transmitter 56 is arranged on described female earphone bar 55, is connected with described female earphone cord 6.On described female earphone assembly, can also arrange one for controlling the switch 514 of the second earphone cord take-up.
It should be noted that, in order to reach better result of use, sub-earphone cord 512 of the present invention can be more very thin than described female earphone cord 6, length is also shorter, only need to there be 30 to 40 centimetres, so, it is very small that the first earphone cord take-up 53 of the sub-earphone cord 512 of rolling can design, but the length of female earphone cord 6 is generally one meter of left and right or longer, wire diameter is also thick than sub-earphone cord 512, so, the second earphone cord take-up of the female earphone cord 6 of rolling is larger than the volume of the first earphone cord take-up 53, but both aufbauprinciples are the same substantially, that is first earphone cord take-up 53 and the second earphone cord take-up not too large difference in itself, it can be replaced mutually, can adopt spring or micromachine that actuating force is provided.In addition, described sub-earphone cord 512 can be two holding wires, female earphone cord 6 is 4 or 4 above holding wires, size to described sub-earphone cord 512 and female earphone cord 6 in certain the present invention, the quantity of length and holding wire does not limit, and can not to scope of the present invention, have any restriction because of the preferred technical solution of the present invention.
With reference to Fig. 4, Fig. 5, described the first earphone cord take-up 53 comprises:
Be arranged at the winding roll 5102 on main shaft 5103, on described winding roll 5102, be provided with a ring edge 5112, the inside of described ring edge 5112 is provided with a torsionspring 513, the outer end of described torsionspring 513 is fixedly arranged on described ring edge 5112, the inner of described torsionspring 513 is fixedly arranged on described main shaft 5103, and the sub-earphone cord 512 being wound on described winding roll 5102 is connected with described female earphone cord 6 by described first signal linkage unit 5106.
Described the first earphone cord take-up 53 is also provided with a brake apparatus 5109 rotating for controlling described winding roll 5102, and described the first earphone cord take-up 53 also comprises shell 5101.
Preferably, described main shaft 5103 is a Hollow Cylindrical Shaft, and described female earphone cord 6 is middle through being connected with described female headset earpiece 52 from described circular shaft, and extraction of signal line is connected with described sub-earphone cord 512 by described first signal linkage unit 5106.
Spring in the first earphone cord take-up 53 described in Fig. 5 and the relation of winding roll 5102 are inside and outside settings, in other embodiments of the invention, the relation of described spring and winding roll 5102 can also adopt left and right that (as Fig. 4) is set or other arranges structure, and the present invention does not limit this.
It should be noted that, described the first earphone cord take-up 53 is except adopting structure described above, can also adopt the structure of the second earphone cord take-up described below, also in the present invention, the structure of described the first earphone cord take-up 53 and the second earphone cord take-up is essentially identical in itself, can mutually replace.
In another embodiment of a kind of main-sub earphone structure of the present invention, described main-sub earphone structure also comprises the second earphone cord take-up.
With reference to Fig. 6, it is the generalized section of second earphone cord take-up the first embodiment of the present invention.Described the second earphone cord take-up comprises drive system 1, driving wheel 2, support wheel 20 and spiral circle 3.
Described drive system 1 can be that micromachine, spring or other can provide the drive unit of power, and in embodiments of the present invention, described drive system 1 is preferably micromachine.
Described driving wheel 2 is arranged at described drive system 1 one sides, and described driving wheel 2 is driven by described drive system 1.
Described support wheel 20 is arranged at described drive system 1 opposite side.
Described spiral circle 3 is surrounded on described driving wheel 2 and described support wheel 20, described spiral circle 3 is for female earphone cord 6 of reeling, the female earphone cord 6 being wound on described spiral circle 3 is connected with external signal by secondary signal linkage unit, described driving wheel 2 drives described support wheel 20 to rotate by described spiral circle 3, described female earphone cord 6 is wound on described spiral circle 3 and carries out take-up.
Described the second earphone cord take-up also comprises the arrangement of clutch 8 being arranged between described drive system 1 and described driving wheel 2, described drive system 1 drives described driving wheel 2 by described arrangement of clutch 8, and drives the separated described drive system 1 of described driving wheel 2 time rotationals and described driving wheel 2 at described female earphone cord 6 unwrapping wire.
By the setting of described arrangement of clutch 8, when carrying out the take-up operation of female earphone cord 6, described drive system 1 is started working as micromachine, described drive system 1 drives described driving wheel 2 by described arrangement of clutch 8, described driving wheel 2 drives described support wheel 20 to rotate by described spiral circle 3, thereby female earphone cord 6 that female earphone cord 6 the end of a thread are fixed on described spiral circle 3 can be wound on described spiral circle 3.When carrying out the unwrapping wire operation (user pulls out female earphone cord 6 outward) of female earphone cord 6, by female earphone cord 6, drive driving wheel 2, spiral circle 3 and support wheel 20 to rotate, now, by the separated described drive system 1 of described arrangement of clutch 8 and described driving wheel 2, reduced the resistance of bracing wire, and can be on described drive system 1 as micromachine impact.Simultaneously; when female earphone cord 6 take-ups complete or when take-up resistance surpasses its default resistance; described arrangement of clutch 8 can make described driving wheel 2 skid mutually with described drive system 1; or separated described drive system 1 and described driving wheel 2; make drive system 1 as micromachine idle running, to protect micromachine not damaged.
With reference to Fig. 7, described arrangement of clutch 8 is preferably a circular platform type gear, certainly, it will be understood by those skilled in the art that described arrangement of clutch 8 can also be the arrangement of clutch 8 of cone gear, column type gear or other type, and the present invention does not limit this.
Described driving wheel 2 comprises the first circular lateral plate 22 and the second circular lateral plate 21, described the first circular lateral plate 22 and described the second circular lateral plate 21 are fixing by a main shaft 23, as shown in Figure 8, the medial surface of described the first circular lateral plate 22 is provided with a plurality of gears 9 that are circumferential arrangement around described main shaft 23.Described micromachine is by being arranged at the gear 18 and described circular platform type gear (arrangement of clutch 8) interlock on described micromachine main shaft, gear 9 interlocks on described circular platform type gear and described driving wheel 2, thus make described drive system 1 by driving wheel 2 described in described circular platform type gear drive.
When described arrangement of clutch 8 is gear, the gear 9 that is arranged at the gear on described micromachine main shaft and is arranged on described driving wheel 2 is to match with the gear as arrangement of clutch 8, if described arrangement of clutch 8 is circular platform type gear, the gear being arranged on described micromachine main shaft is also circular platform type gear, and its interlock that complements one another; If described arrangement of clutch 8 is cone gear, the gear being arranged on described micromachine main shaft also can be cone gear.Like this, when micromachine is worked, the tight interlock of gear on micromachine main shaft is as the gear of arrangement of clutch 8, as the gear of the arrangement of clutch 8 tight gear 9 on interlock driving wheel 2 again, thereby drives described driving wheel 2 to rotate; When carrying out female earphone cord 6 unwrapping wire, make described driving wheel 2 time rotationals, as the loosening no longer interlock driving wheel 2 of gear of arrangement of clutch 8 and the gear on micromachine, thereby female earphone cord 6 can be easily drawn out, and driving wheel 2 time rotationals can not drive micromachine to rotate, and can not cause harmful effect to micromachine.
Described the second earphone cord take-up also comprises oblong shell 5, is provided with an opening on the sidewall of described shell 5, and described female earphone cord 6 stretches out described shell 5 by described opening.
By drive system 1 of the present invention, the setting of driving wheel 2 and support wheel 20, described the second earphone cord take-up forms an oblong outward appearance, thereby can farthest save volume and the longer female earphone cord 6 of reeling.
With reference to Fig. 8, in embodiments of the present invention, described spiral circle 3 can be chape or caterpillar belt structure, can be made by materials such as plastics, metal, metalloids.In order better to fix female earphone cord 6 of having reeled, on described spiral circle 3, can be provided with a plurality of U-shaped cable clamping interfaces 4 every certain distance (embodiment of the present invention is preferably 2 to 8 millimeters), described a plurality of U-shaped cable clamping interface 4 permutation and combination just form an annular spiral groove together, are wound in described annular spiral groove during described female earphone cord 6 take-up.
With reference to Fig. 9, described secondary signal linkage unit comprises:
Be arranged at a plurality of signal communication shell fragments 15 in described U-shaped cable clamping interface 4 outsides, described female earphone cord 6 is connected with described signal communication shell fragment 15 by earphone signal line.
Be arranged on described shell 5 inwalls and contact with the described signal communication shell fragment 15 of energy a plurality of signal communication tracks 16 that are communicated with, described signal communication track 16 consists of annular conductive metal thin plate, and is connected with the mainboard signal of outer lateral terminal by holding wire.
The earphone line end of described female earphone cord 6 is fixed on a U-shaped cable clamping interface 4, then separates many earphone signal lines and be connected with described signal communication shell fragment 15.
It should be noted that, signal communication shell fragment 15 is arranged on U-shaped cable clamping interface 4 places of earphone line end, signal communication track 16 need to be around the whole circle of described shell 5 medial surface one, when signal shell fragment rotates with U-shaped cable clamping interface 4, just be in during Frictional Slipping contacts with signal communication track 16, to guarantee that it is at any time in communications status always.
In one embodiment of the invention, described support wheel 20 is a circular object, in another embodiment of the present invention, with reference to Figure 10, a plurality of balls 25 or cylinder 25 or other object that can roll and slide that described support wheel 20 is arranged for being semi-circumference, compare for circular object with support wheel 20, adopt ball or cylinder more can reduce the volume of earphone cord take-up.
By the structure of the drive system 1 in the second earphone cord take-up described in technical solution of the present invention, driving wheel 2 and support wheel 20, greatly increased the spiral length of female earphone cord 6, and reduced the volume of earphone cord take-up, the second earphone cord take-up that has reduced volume can better be assembled in various types of mobile terminals.In addition, the present invention utilizes the mainshaft gear of drive system 1 and the interaction between driving wheel 2 inboard gears and spiral circle 3, automatically form a speed change gear, thereby greatly increased drive system 1 as the torsion of micromachine, also greatly increased the spiral length of female earphone cord 6 simultaneously.
With reference to Figure 11, show the STRUCTURE DECOMPOSITION figure of a kind of second another preferred embodiment of earphone cord take-up in the present invention.Described the second earphone cord take-up comprises motor 111, speed change gear, winding roll 115, secondary signal linkage unit 116 and shell.Wherein, when described the second earphone cord take-up is arranged on, other-end is inner or during as the first earphone cord take-up 53, described shell can omit.
Described motor 111 is for providing actuating force to described winding roll 115, by described speed change gear, drive described winding roll 115 to rotate, described motor 111 provides electric power by external power source, and can be controlled by external switch, and described external power source and external switch are not shown in the accompanying drawings.
In an embodiment of the second earphone take-up of the present invention, described speed change gear comprises worm screw 112, the first gear 113 and the second gear 114; Described worm screw 112 is connected with the driving shaft of described motor 111, described the first gear 113 is secondary gear, the vertical interlock of one-level that described worm screw 112 is taken turns with described the first tooth 3, another level and described the second gear 114 interlocks of described the first gear 113, described the second gear 114 drives described winding roll 115 to carry out take-up.
Described shell comprises upper casing 118 and base 117, the bottom surface that described motor 111 is parallel to described base 117 arranges, by gear shaft 1117, the bottom surface perpendicular to described base 117 arranges described the first gear 113, described base 117 is provided with a main shaft 1118 perpendicular to bottom surface, described the second gear 114, winding roll 115, secondary signal linkage unit 116 are all arranged on described main shaft 1118, and such setting can farthest reduce the volume of described earphone cord take-up.
It should be noted that, two gears shown in Figure 11 are this embodiment for convenience of explanation just, the present invention does not limit the number of gear, those skilled in the art can determine as required number, size and the described motor 111 of gear and the position relationship of winding roll 115 when enforcement is of the present invention, for example, three or more gears can be set, wherein, the size of described gear is set by a certain percentage, thereby form a speed change gear, is convenient to control the speed that described motor 111 drives described winding roll 115.
In another embodiment of the present invention's the second earphone take-up, described motor 111 can be parallel to described main shaft 1118 and arrange, now, described speed change gear is minimum comprises that a gear is just passable, described gear is arranged on described main shaft 1118, with described worm screw 112 interlocks, by described motor 111, drive described winding roll 115 to rotate; Certainly, those skilled in the art also can determine as required number, size and the described motor 111 of gear and the position relationship of winding roll 115 when enforcement is of the present invention, for example, two or more gears can be set, wherein, the size of described gear is set by a certain percentage, thereby form a speed change gear, is convenient to control the speed that described motor 111 drives described winding roll 115.The difference of this embodiment and the first embodiment is that described motor 111 is vertically disposed, may increase the volume of earphone cord take-up.
On the sidewall of described shell, be provided with an opening 119; in described opening 119, there is a pulley 1111; described pulley 1111 is arranged on described base 117 by pulley spindle 1112; described female earphone cord 6 stretches out described shell by described pulley 1111; thereby can reduce the friction between female earphone cord 6 and shell, can better protect female earphone cord 6.
On described winding roll 115, a spiral baffle plate 1113 can also be set; for the female earphone cord 6 on described the second gear 114 and described winding roll 115 is separated; also can make female earphone cord 6 better be wound on described winding roll 115, thereby better protect female earphone cord 6.
If rotate and directly drive winding roll 115 rotations to carry out take-up by motor 111, because forwarding several ten thousand to up to per minute several thousand, the rotating speed of motor 111 turns, so high rotating speed makes winding roll 115 regain female earphone cord 6 in moment, its too fast take-up speed is very easy to product and user to damage, and in the present invention by the mutual transmission between a plurality of gears, make the rotating speed of winding roll 115 can be reduced to reasonable, a safe scope and strengthened the moment of torsion strength of motor 111.
With reference to Figure 12, show the structure chart of secondary signal linkage unit 116 in described the second earphone cord take-up.
Described secondary signal linkage unit 116 comprises circuit board 220 and many annular conductive foils 230, many annular conductive foil 230 is connected with one end of female earphone cord 6, and is connected with outside holding wire (being the holding wire of this terminal inner when described the second earphone cord take-up is arranged on to other-end inside) with contact pilotage lead-in wire (not shown) by spring stylus 1110.Adopt said structure, when winding roll 115 rotations make female earphone cord 6 be wound around or launch, one end of female earphone cord 6 is communicated with external signal all the time by annular conductive foil 230 and spring stylus 1110, has kept connectedness and the validity of signal.Certainly, the secondary signal linkage unit 116 that secondary signal linkage unit 116 of the present invention can be also wireless connections.
In another embodiment of the present invention's the second earphone take-up, described earphone cord take-up also comprises arrangement of clutch, described arrangement of clutch comprises the Compress Spring 1115 being arranged on described main shaft, one end of described Compress Spring 1115 contacts with the bottom surface of described base by throw-out collar 1116, and the other end of described Compress Spring 1115 contacts with described the second gear 114 by pad 1114.
One of ordinary skill in the art will appreciate that, the Compress Spring 1115 of the present embodiment is a kind of implementation method of arrangement of clutch just, and described arrangement of clutch can also be realized by alternate manner.
Motor 111 drives described winding roll 115 take-ups by worm screw 112, the first gear 113 and the second gear 114; when take-up is complete; user is the power supply of disable motor 111 in time not often; thereby can cause motor 111 to work on; now; the voltage of motor 111 can raise; the moment of torsion of described motor 111 increases; the second gear 114 that described arrangement of clutch makes to contact with described Compress Spring 1115 forms idle running and described winding roll 115 can not rotate, thereby has effectively protected the parts such as motor 111 and female earphone cord 6.
In order to make earphone cord be unlikely to too loose and close-packed arrays in winding roll, with reference to Figure 13, another side at pulley 1111 is also provided with a fabric wheel 1212, described female earphone cord 6 passes between described pulley 1111 and described fabric wheel 1212, by described pulley 1111, work in coordination and can block described female earphone cord with described fabric wheel 1212, when reeling earphone cord, can make earphone cord in winding roll, arrange closelyr, while stopping when earphone cord is pulled out half simultaneously, also can effectively prevent the earphone cord retraction that it is pulled out, the earphone cord that makes to remain in winding roll is unlikely to loose, can prevent the loose rear pressure and stuck that mutually twines of earphone cord in winding roll.
In Figure 14,15, show into the relation between sound groove 561, transmitter 56 and slide bar and female earphone bar 55.In described female earphone bar 55, be also provided with telescopic slide bar, the end of described slide bar is provided with transmitter 56.In specific implementation, the sub-slide bar form that the more piece of can being arranged to described slide bar differs in size, realizes the flexible of whole slide bar by little sub-slide bar being shunk in large sub-slide bar, certainly, described scalable slide bar also has other implementation, and the present invention does not carry out any restriction to this.By such design, a slide bar that can push-and-pull goes out the sub-slide bar of more piece is set female earphone bar 55 is interior, little slide bar 559 can be pulled out from large slide bar 558, transmitter 56 is arranged on the end of slide bar, like this, from female earphone bar 55, pulls out after slide bar, can make the covert increase of length of female earphone bar 55, thereby make transmitter 56 from source of sound (mouth) more close to, to increase the sound effect in when call, user is used convenient.
In addition, earphone cord (can be female earphone cord 6) is attached to after slide bar end, can separate many holding wires 560, the many holding wires 560 that separate connect with transmitter 56 respectively again and female earphone cord 6 of being arranged in the signal wire slots on slide bar connects, like this, slide bar in any case push-and-pull moves, and signal all can keep unimpeded always.
In addition, on transmitter 56 (as transmitter 56 above or below) a sound chamber is set, described sound chamber is also provided with one near a side of face and enters sound groove 561, described in enter in sound groove, to be provided with filter sound film.Sending sound outside enters from entering sound groove 561, by filter sound film, enter into sound chamber again, by sound chamber, enter transmitter 56, the sound that can make transmitter 56 receive is like this more clear, prevented acoustic resonance, remove echo and reduced the interference of external noise, thereby greatly increased the effect of sending words sound, improved user's experience.
In addition, the invention also discloses a kind of mobile terminal, described mobile terminal is except comprising terminal body, also comprise the described main-sub earphone structure of above each embodiment, described terminal body can be any electronic equipments that use earphone such as MP3, MP4, MP5, computer, handheld device, mobile phone.
Technical scheme setting of the present invention comprises the two earpiece configuration of female earphone and sub-earphone, and by being arranged at the sub-earphone cord 512 of the sub-earphone of take-up rolling on female earphone, both be conducive to the take-up of female earphone cord (single line), can isolate sub-earphone from female earphone again, thereby reach the effect of dual track.Do not need dual track, when stereo, only using female earphone; As needs dual track, when stereo, can from female earphone, pull out sub-earphone and sub-earphone cord 512, son, female two earphones are worn over respectively to two ears in left and right and answer message, thus the dual track of bringing, stereo impression.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not several, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (14)
1. a main-sub earphone structure, is characterized in that, comprises female earphone assembly and sub-earphone assembly;
Described female earphone assembly comprises female headset earpiece and female earphone bar;
Described sub-earphone assembly comprises sub-headset earpiece;
In described female earphone bar, be also provided with telescopic slide bar, the end of described slide bar is provided with transmitter;
Described female headset earpiece is all connected with female earphone cord with described transmitter, and one end of sub-earphone cord is connected with described female earphone cord by first signal linkage unit, and the other end of described sub-earphone cord is connected with described sub-headset earpiece;
Also comprise the second earphone cord take-up, described the second earphone cord take-up comprises:
Drive system;
Be arranged at described drivetrain and unify the driving wheel of side, described driving wheel is by described drive systems;
Be arranged at the support wheel of described drive system opposite side;
Be surrounded on the spiral circle of described driving wheel and described support wheel, the described spiral circle described female earphone cord that is used for reeling, the described female earphone cord being wound on described spiral circle is connected with external signal by secondary signal linkage unit, described driving wheel rotates by the moving described support wheel of described spiral astragal, described female earphone cord is wound on described spiral circle and carries out take-up;
Described the second earphone cord take-up also comprises:
Be arranged at the arrangement of clutch between described drive system and described driving wheel, described drive system drives described driving wheel by described arrangement of clutch, and when described female earphone cord unwrapping wire drives described driving wheel time rotational or take-up to complete separated described drive system and described driving wheel;
Described drive system is micromachine, and described arrangement of clutch is a circular platform type gear;
Described driving wheel comprises the first circular lateral plate and the second circular lateral plate, and described the first circular lateral plate is connected by a main shaft with described the second circular lateral plate, and the medial surface of described the first circular lateral plate is provided with a plurality of gears that are circumferential arrangement around described main shaft;
Described micromachine is by being arranged at the gear and described circular platform type engaged gears or separated on described micromachine main shaft.
2. main-sub earphone structure according to claim 1, is characterized in that, is provided with the signal wire slots that described female earphone cord is passed through on described slide bar.
3. main-sub earphone structure according to claim 2, is characterized in that, is also provided with a sound chamber on described transmitter.
4. main-sub earphone structure according to claim 3, is characterized in that, described sound chamber is also provided with one near a side of face and enters sound groove, described in enter in sound groove, to be provided with filter sound film.
5. according to the main-sub earphone structure described in claim 1 to 4 any one, it is characterized in that, described female earphone assembly also comprises the first earphone cord take-up for sub-earphone cord described in rolling.
6. main-sub earphone structure according to claim 5, it is characterized in that, described female earphone assembly also comprises female earphone protecgulum, female earphone bonnet, described female headset earpiece is arranged between described female earphone protecgulum and described female earphone bonnet, and described the first earphone cord take-up is arranged between described female headset earpiece and described female earphone bonnet;
Described sub-earphone assembly also comprises sub-earphone protecgulum, sub-earphone bonnet, and described sub-headset earpiece is arranged between described sub-earphone protecgulum and described sub-earphone bonnet.
7. main-sub earphone structure according to claim 6, is characterized in that, described sub-earphone assembly can be snapped on described female earphone bar by a fastener.
8. main-sub earphone structure according to claim 7, is characterized in that, described the first earphone cord take-up comprises:
Be arranged at the winding roll on main shaft, on described winding roll, be provided with a ring edge, the inside of described ring edge is provided with a torsionspring, the outer end of described torsionspring is fixedly arranged on described ring edge, the inner of described torsionspring is fixedly arranged on described main shaft, be used for driving described winding roll to rotate with sub-earphone cord described in rolling, the sub-earphone cord being wound on described winding roll is connected with described female earphone cord by described first signal linkage unit.
9. main-sub earphone structure according to claim 8, is characterized in that, described the first earphone cord take-up is also provided with a brake apparatus rotating for controlling described winding roll.
10. main-sub earphone structure according to claim 1, is characterized in that, is provided with the annular spiral groove being formed by a plurality of U-shaped cable clamping interfaces on described spiral circle, is wound in described annular spiral groove during described female earphone cord take-up.
11. main-sub earphone structures according to claim 10, is characterized in that, also comprise:
Oblong shell, is provided with an opening on the sidewall of described shell, described female earphone cord stretches out described shell by described opening.
12. main-sub earphone structures according to claim 11, is characterized in that, described secondary signal linkage unit comprises:
A plurality of signal communication shell fragments that are arranged at described U-shaped cable clamping interface outside, described female earphone cord is connected with described signal communication shell fragment;
Be arranged on described outer casing inner wall and can contact with described signal communication shell fragment a plurality of signal communication tracks that are communicated with, described signal communication track consists of annular conductive metal thin plate, and is connected with the mainboard signal of outer lateral terminal by holding wire.
13. main-sub earphone structures according to claim 12, is characterized in that, described support wheel is to be a plurality of balls or the cylinder that semi-circumference is arranged.
14. 1 kinds of mobile terminals, comprise terminal body, it is characterized in that, described mobile terminal also comprises main-sub earphone structure as claimed in claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010620725.2A CN102547508B (en) | 2010-12-23 | 2010-12-23 | Mother and child double-earphone structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010620725.2A CN102547508B (en) | 2010-12-23 | 2010-12-23 | Mother and child double-earphone structure and mobile terminal |
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| Publication Number | Publication Date |
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| CN102547508A CN102547508A (en) | 2012-07-04 |
| CN102547508B true CN102547508B (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010620725.2A Active CN102547508B (en) | 2010-12-23 | 2010-12-23 | Mother and child double-earphone structure and mobile terminal |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112079206B (en) * | 2020-10-19 | 2022-09-02 | 安徽扬子线缆有限公司 | Automatic terminal network cable winding and unwinding equipment |
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| US4942617A (en) * | 1988-12-22 | 1990-07-17 | Mark Boylan | Earphone cord take-up device |
| CN2556864Y (en) * | 2002-06-06 | 2003-06-18 | 孙文伟 | Hanging hold-free earphone capable of adjusting length of sound receiver |
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| Publication number | Publication date |
|---|---|
| CN102547508A (en) | 2012-07-04 |
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