CN206400423U - A kind of English study earphone - Google Patents

Abstract

The utility model discloses a kind of English study earphone, including the first earphone bar and the second earphone bar, one end of the first earphone bar is fixedly connected with connecting plate, the other end of the first earphone bar offers jack, the two ends of the second earphone bar offer jack, the connecting plate of one end of the first earphone bar and the jack of one end of the second earphone are slidably connected, snap ring is installed with the jack of one end of the second earphone bar, the other end jack of the other end jack of the first earphone bar and the second earphone bar is plugged with iron plate, the utility model can prevent from dissipating outside the sound being transmitted in people's ear when in use by ear bag, be also prevented from the external world noise enter it is pleasant it is middle influence people English word is obscured, sound can be passed to by student by osteoacusis simultaneously, so as to ensure student when studying English hearing, apparent sound can be heard, the tensile elongation of ear bag can be accurately adjusted by adjusting means simultaneously.

Description

A kind of English study earphone

Technical field

The utility model is related to ear phone technology field, specially a kind of English study earphone.

Background technology

Earphone is the instrument that people are used for listening to sound, so as to prevent sound from bothering others, is also possible to prevent the external world Noise effect oneself listen the tonequality for getting sound, general earphone, can be because ambient noise and sound when studying English It is unintelligible, cause student to hear clearly to pronounce when practising English Listening Comprehension, so as to cause to obscure English word, influence Normal aural learning, general earphone is all stretching ear bag in adjustment length, and regulation scale is very inaccurate.

Utility model content

The purpose of this utility model is to provide a kind of English study earphone, with asking for solving to propose in above-mentioned background technology Topic.

To achieve the above object, the utility model provides following technical scheme：A kind of English study earphone, including the first ear Machine bar and the second earphone bar, one end of the first earphone bar are fixedly connected with connecting plate, and the other end offers jack, and described Connecting plate is provided with projection, and the two ends of the second earphone bar offer jack, the connecting plate and second earphone one end Jack is slidably connected, and the snap ring matched with projection, first ear are provided with the jack of one end of the second earphone bar The other end jack of the other end jack of machine bar and the second earphone bar is plugged with iron plate, and the outer end of the iron plate is fixedly connected with Ear bag, the center of the iron plate and adjusting means are slidably connected, and the outer end of the first earphone bar is connected with data wire, and data Line is electrically connected two ear bags；

The ear bag includes sound-producing device, and rubber sleeve, and rubber sleeve side wall is fixedly mounted in the top of the sound-producing device Inside be provided with air blanketing；

The sound-producing device includes ring-shaped shell, and the inside of the ring-shaped shell is installed with acoustical generator, the ring-type Groove is provided with shell, and the upper surface of groove offers scattered acoustic aperture, the upper surface of the acoustical generator is installed with metallic rod, And the top of metallic rod is installed with metal ball, data wire and the acoustical generator electrical connection；

The center of the iron plate offers penetrating groove, and the two side of the penetrating groove is installed with Saw blade, the tune Regulating device includes rotating bar, two rotating bars extend through the outer wall of the first earphone bar and the second earphone bar and with its company of rotation Connect, one end of the rotating bar is fixedly connected with rotating cap, and other end movable sleeve is connected to the first retainer ring and the second retainer ring, institute State the first retainer ring and the second retainer ring be fixedly mounted on the first earphone bar 1 or the second earphone bar 2, and the first retainer ring and There are the gear teeth, the Saw blade and gear teeth meshing in the side surface of rotating bar between second retainer ring.

It is preferred that, the surface of the metal ball is provided with smooth film.

It is preferred that, the port of the rubber sleeve is cased with sponges cover.

Compared with prior art, the beneficial effects of the utility model are：The utility model can pass through ear bag when in use Prevent from dissipating outside the sound being transmitted in people's ear, the noise for being also prevented from the external world enters pleasant middle influence people to English word Obscure, while sound can be passed into student by osteoacusis, so as to ensure that student, when studying English hearing, can hear Apparent sound, while the tensile elongation of ear bag can accurately be adjusted by adjusting means.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of the utility model ear bag；

Fig. 3 is the structural representation of the utility model sound-producing device；

Fig. 4 is the structural representation of the utility model iron plate；

Fig. 5 is the structural representation of the utility model adjusting means.

In figure：1 first earphone bar, 2 second earphone bars, 3 connecting plates, 4 snap rings, 5 projections, 6 data wires, 7 ear bags, 71 sounding Device, 711 ring-shaped shells, 712 acoustical generators, 713 grooves, 714 dissipate acoustic aperture, 715 metallic rods, 716 metal balls, 72 rubber sleeves, 721 Air blanketing, 8 iron plates, 81 penetrating grooves, 82 Saw blades, 9 adjusting meanss, 91 rotating bars, 92 rotating caps, 93 first retainer rings, 94 Second retainer ring, 95 gear teeth.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-5 are referred to, the utility model provides a kind of technical scheme：A kind of English study earphone, including the first earphone The earphone bar 2 of bar 1 and second, one end of the first earphone bar 1 is fixedly connected with connecting plate 3, and the other end offers jack, and institute Connecting plate 3 is stated provided with projection 5, the two ends of the second earphone bar 2 offer jack, the earphone of connecting plate 3 and second The jack of one end of bar 2 is slidably connected, and the snap ring matched with projection 5 is provided with the jack of one end of the second earphone bar 2 4, facilitate two earphone bars to carry out grafting and adjustment width, the other end jack and the second earphone bar 2 of the first earphone bar 1 Other end jack be plugged with iron plate 8, the outer end of the iron plate 8 is fixedly connected with ear bag 7, the center sum of the iron plate 8 Adjusting means 9 is slidably connected, and the outer end of the first earphone bar 1 is connected with data wire 6, and data wire 6 is electrically connected two Ear bag 7, synchronizes broadcast；

The ear bag 7 includes sound-producing device 71, and rubber sleeve 72, and rubber is fixedly mounted in the top of the sound-producing device 71 The inside for covering 72 side walls is provided with air blanketing 721, to reduce the interference of external noise as far as possible；

The sound-producing device 71 includes ring-shaped shell 711, and the inside of the ring-shaped shell 711 is installed with acoustical generator 712, the ring-shaped shell 711 is interior to be provided with groove 713, and the upper surface of the groove 713, which offers scattered acoustic aperture 714, carries out sound Diffusion, the upper surface of the acoustical generator 712 is installed with metallic rod 715, and the top of metallic rod 715 is installed with metal Ball 716, the ear of audience is touched using metal ball 716, allows sound preferably to be conducted, the data wire 6 and acoustical generator 712 electrical connections；

The center of the iron plate 8 offers penetrating groove 81, and the two side of the penetrating groove 81 is installed with Saw blade 82, The adjusting means 9 includes rotating bar 91, and two rotating bars 91 extend through the outer wall of the first earphone bar 1 or the second earphone bar 2 And rotate and be connected with it, adjusting means 9 is rotated on earphone bar, one end of the rotating bar (91), which is fixedly connected with, to be turned Dynamic cap 92, other end movable sleeve is connected to the first retainer ring 93 and the second retainer ring 94, and two group of first retainer ring 93 and second is fixed Ring 94 is respectively and fixedly installed on the first earphone bar 1 and the second earphone bar 2, adjusting means 9 is fixed on the upper of earphone bar The side surface of rotating bar 91 between a certain position, and the first retainer ring 93 and the second retainer ring 94 is toothed around 95, the saw Rack 82 and the gear teeth 95 are engaged, and drive iron plate 8 to move when rotating rotating bar 91, so that adjustment length.

Prevent metal ball 716 from can cause to fray to the outline of people's ear to realize, the surface of the metal ball 716 Provided with smooth film.

During in order to realize that rubber sleeve 72 is enclosed on people's ear, the edge of rubber sleeve 72 will not be made to people's ear outline Into scuffing, while being also prevented from sound dispersion, the port of the rubber sleeve 72 is cased with sponges cover.

Operation principle：The English study earphone when in use, can drive connecting plate 3 to exist by the first earphone bar 1 of pulling Pulled in the jack of second earphone bar 2, by the clamping between snap ring 4 and projection 5, fixation can be adjusted, so as to adjust ear The transverse width of machine, while drive 91 to rotate by rotating rotating cap 92, so that the gear teeth 95 can be rotated, the first retainer ring 93 and the Iron plate 8 is clipped in the middle by two retainer rings 94, and the gear teeth 95 and Saw blade 82 are engaged, and iron plate 8 can move with the movement of Saw blade 82 It is dynamic, so as to adjust the tensile elongation of earphone ear bag 7, ear bag 7 is enclosed on the ear of student when in use, rubber sleeve 72 will The ear of student is inserted in, and the effect of sound insulation can be played by the air blanketing 721 of the side wall of rubber sleeve 72, will by data wire 6 Sound wave passes to acoustical generator 712 as electronic signals, and sound is come out and passed to by acoustical generator 712 by scattered acoustic aperture 714 People, while acoustical generator 712 can also be passed to sound wave by metallic rod 715 and metal ball 716 by the form of osteoacusis The ear outline of people, and in the ear of incoming people, so as to reach more preferable and apparent audio, it is ensured that student is in study English During language hearing, will not because it is a riot of sound to English word caused by obscure.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of English study earphone, including the first earphone bar (1) and the second earphone bar (2), it is characterised in that：First ear One end of machine bar (1) is fixedly connected with connecting plate (3), and the other end offers jack, and the connecting plate (3) is provided with projection (5), the two ends of the second earphone bar (2) offer jack, and the connecting plate (3) and second earphone bar (2) one end are inserted Hole is slidably connected, and the snap ring (4) matched with raised (5) is provided with the jack of one end of the second earphone bar (2), described The other end jack of the other end jack of first earphone bar (1) and the second earphone bar (2) is plugged with iron plate (8), the iron plate (8) outer end is fixedly connected with ear bag (7), and the center of the iron plate (8) and adjusting means (9) are slidably connected, first ear The outer end of machine bar (1) is connected with data wire (6), and data wire (6) is electrically connected two ear bags (7)；

The ear bag (7) includes sound-producing device (71), and rubber sleeve (72) is fixedly mounted in the top of the sound-producing device (71), and The inside of rubber sleeve (72) side wall is provided with air blanketing (721)；

The sound-producing device (71) includes ring-shaped shell (711), and the inside of the ring-shaped shell (711) is installed with acoustical generator (712) groove (713), is provided with the ring-shaped shell (711), and the upper surface of groove (713) offers scattered acoustic aperture (714), The upper surface of the acoustical generator (712) is installed with metallic rod (715), and the top of metallic rod (715) is installed with gold Belong to ball (716), the data wire (6) and acoustical generator (712) electrical connection；

The center of the iron plate (8) offers penetrating groove (81), and the two side of the penetrating groove (81) is installed with Saw blade (82), the adjusting means (9) includes rotating bar (91), and two rotating bars (91) extend through the first earphone bar (1) or second The outer wall of earphone bar (2) and being rotated with it is connected, and one end of the rotating bar (91) is fixedly connected with rotating cap (92), the other end Movable sleeve is connected to the first retainer ring (93) and the second retainer ring (94), and first retainer ring (93) and the second retainer ring (94) are It is fixedly mounted on the first earphone bar (1) or the second earphone bar (2), and between the first retainer ring (93) and the second retainer ring (94) The side surface of rotating bar (91) be toothed around (95), the Saw blade (82) and the gear teeth (95) engagement.

2. a kind of English study earphone according to claim 1, it is characterised in that：The surface of the metal ball (716) is set There is smooth film.

3. a kind of English study earphone according to claim 1, it is characterised in that：The port of the rubber sleeve (72) is cased with Sponges cover.