CN209402686U - A kind of shell mechanism of headphone - Google Patents

Abstract

The utility model discloses a kind of shell mechanisms of headphone, including elastic head band, the bottom of elastic head band is fixedly connected with fixed frame, fixed frame is rotatably equipped with earphone case by shaft, ventilation hole is offered on the inside of earphone case, the inside of ventilation hole is equipped with silencing cotton, and the inside of earphone case is equipped with ventilation duct, one end of ventilation duct is connected to ventilation hole, and the other end of ventilation duct is communicated with heat extraction case.The utility model is connected to ventilation duct by ventilation hole, the other end of ventilation duct is connected with semi-enclosed heat dissipation tank, flabellum uses some extremely strong materials of heat conduction and heat radiation performance, so even if fan high speed rotation, its flabellum will not because of heated severe tremor, stable rotation, so that the mute performance of quiet fan further enhances, the influence of heat dissipation machine will receive to make user not, and the temperature in the sponges cover on the inside of earphone case can quickly be made to lower.

Description

A kind of shell mechanism of headphone

Technical field

The utility model relates to headphone technical field more particularly to a kind of shell mechanisms of headphone.

Background technique

Headphone, as the term suggests it is to be worn on the head, and in non-intrusive ear canal, be different from a kind of ear of built-in earplug Machine, it is to consist of two parts, signal projector and the earphone with signal reception and amplifying device, transmitter and signal source phase Even, prime or Earphone Amplifier can also be accessed before transmitter to improve sound quality and adjustment tone color.

Headphone is a big important branch of earphone, and structure is beautiful, and radio reception effect is outstanding and is widely used, more Come it is more can all use headphone in sport and body-building, however existing headphone, headphone in order to every Exhausted external sound entangles auricle using sponges cover inside earphone case and reaches sealing effect, when movement, the sweat stream meeting of user's head Enter earphone inner cavity along listening bore, and loudspeaker and sound equipment main body are caused to corrode, and sound equipment corrodes by permanent sweat, ear On the other hand machine will be unable to work normally, so that scrap, due to cost considerations, identical product model is worn in the market Formula earphone can only produce a kind of dimensions, will not have different sizes as shoes, the clothes of people, but there is individuals by user Difference, a kind of headphone of dimensions is obviously not applied for each user, wears for a long time undersized Headphone head and ear can all experience apparent constriction, this is unfavorable for people's health, and wears size Excessive headphone can then feel slack and undisciplined, and earphone is easy to slide, this equally can bring discomfort to user.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of headphone proposed Shell mechanism.

To achieve the goals above, the utility model adopts the technical scheme that

The bottom of a kind of shell mechanism of headphone, including elastic head band, the elastic head band is fixedly connected with Determine frame, the fixed frame is rotatably equipped with earphone case by shaft, and ventilation hole is offered on the inside of the earphone case, described The inside of ventilation hole is equipped with silencing cotton, and the inside of the earphone case is equipped with ventilation duct, one end of the ventilation duct and ventilation hole Connection, the other end of the ventilation duct are communicated with heat extraction case, and the side of the heat extraction case offers mounting hole, the mounting hole with Ventilation duct is connected to, and is fixedly connected with casing on the left of the heat extraction case, the inside of the casing is equipped with motor, the motor Output shaft is through heat extraction case and is fixedly installed with mounting plate, and the side of the mounting plate is fixedly connected with several flabellums, described The outside of flabellum is equipped with blimp, and the blimp is fixedly mounted on the front of heat extraction case, passes through on the inside of the elastic head band Screw is fixedly installed with telescopic arm, and the side of the telescopic arm offers sliding slot, and the internal activity of the sliding slot is connected with sliding block, The bottom of the sliding block is fixedly connected with connecting plate, and the bottom of the connecting plate is equipped with sponge protection pad.

Preferably, the center on the inside of the earphone case offers listening bore, and the quantity of the ventilation hole is four, four The inside for being distributed in earphone case of the ventilation hole equal annular array centered on listening bore.

Preferably, the side for being distributed in mounting plate of several flabellum annular arrays.

Preferably, the fixed frame is U-shaped structure.

Preferably, the quantity of the telescopic arm is two, and two telescopic arms are about the substantially symmetrical about its central axis of elastic head band.

Preferably, the heat extraction case is semi-enclosed structure.

Compared with prior art, the utility model has the beneficial effects that

1, in the utility model, two telescopic arms are installed by screw by elastic head band, two telescopic arm sides are opened If sliding slot, sliding slot inner slide card connects the sliding block being connected on connecting plate, is slided on connecting plate by telescopic arm, to meet The size that user needs, and it is equipped with sponge protection pad in connecting plate bottom, it can be relieved connecting plate to the pressure of user's head, solution A kind of headphone for dimensions of having determined obviously is not applied for each user, wears undersized head for a long time Headset head and ear can all experience apparent constriction, this is unfavorable for people's health, and wears oversized Headphone can then feel slack and undisciplined, earphone is easy to slide, this can equally bring uncomfortable problem to user.

2, in the utility model, by opening up four ventilation holes on the inside of earphone case, the inside of four ventilation holes is equal Equipped with silencing cotton, the faint sound of flabellum generation can be eliminated, ventilation hole is connected to ventilation duct, and the other end of ventilation duct is connected with half envelope Enclosed heat dissipation tank, flabellum use some extremely strong materials of heat conduction and heat radiation performance, so, even if fan high speed rotation, its flabellum Will not severe tremor, stable rotation because of heated so that the mute performance of quiet fan further enhances, thus with Family not will receive the influence of heat dissipation machine, and the temperature in the sponges cover on the inside of earphone case can quickly be made to lower, and solve head Headset entangles auricle using sponges cover inside earphone case and reaches sealing effect to completely cut off external sound, when movement, uses The sweat stream in account portion can enter earphone inner cavity along listening bore, and cause to corrode to loudspeaker and sound equipment main body, and sound equipment passes through Permanent sweat corrosion, earphone will be unable to work normally, so that the problem of scrapping.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of headphone shell mechanism main view；

Fig. 2 be the utility model proposes a kind of headphone shell mechanism side view；

Fig. 3 be the utility model proposes a kind of headphone shell mechanism side view cut away view；

Fig. 4 be the utility model proposes a kind of headphone shell mechanism side view flipchart；

Fig. 5 be the utility model proposes a kind of headphone shell mechanism partial structural diagram；

Fig. 6 be the utility model proposes a kind of headphone shell mechanism heat extraction case schematic diagram.

In figure: 1 elastic head band, 2 fixed frames, 3 earphone cases, 4 ventilation holes, 5 silencing cottons, 6 ventilation ducts, 7 heat extraction casees, 8 peaces Fill hole, 9 casings, 10 motors, 11 mounting plates, 12 flabellums, 13 blimps, 14 telescopic arms, 15 sliding slots, 16 sliding blocks, 17 connecting plates, 18 Sponge protection pad, 19 listening bores.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-6, a kind of shell mechanism of headphone, including elastic head band 1, the bottom of elastic head band 1 are fixed It is connected with fixed frame 2, fixed frame 2 is rotatably equipped with earphone case 3 by shaft, and the inside of earphone case 3 offers ventilation hole 4, the inside of ventilation hole 4 is equipped with silencing cotton 5, and the inside of earphone case 3 is equipped with ventilation duct 6, one end of ventilation duct 6 and ventilation hole 4 Connection, the other end of ventilation duct 6 are communicated with heat extraction case 7, and the side of heat extraction case 7 offers mounting hole 8, mounting hole 8 and ventilation duct 6 Connection, the left side of heat extraction case 7 are fixedly connected with casing 9, and the inside of casing 9 is equipped with motor 10, and the output shaft of motor 10 runs through Heat extraction case 7 is simultaneously fixedly installed with mounting plate 11, and the side of mounting plate 11 is fixedly connected with flabellum 12, the outside of flabellum 12 be equipped with every Sound cover 13, blimp 13 are fixedly mounted on the front of heat extraction case 7, and the inside of elastic head band 1 is mounted by means of screws with flexible Arm 14, the side of telescopic arm 14 offer sliding slot 15, and the internal activity of sliding slot 15 is connected with sliding block 16, and the bottom of sliding block 16 is fixed It is connected with connecting plate 17, the bottom of connecting plate 17 is equipped with sponge protection pad 18.

The center of 3 inside of earphone case offers listening bore 19, and the quantity of ventilation hole 4 is four, and four ventilation holes 4 are to listen The inside for being distributed in earphone case 3 of equal annular array, several 12 annular arrays of flabellum are distributed in peace centered on bore 19 The side of loading board 11, fixed frame 2 are U-shaped structure, and the quantity of telescopic arm 14 is two, and two telescopic arms 14 are about elastic head band 1 It is substantially symmetrical about its central axis, heat extraction case 7 be semi-enclosed structure.

Working principle: firstly, user wears headphone in running, telescopic arm 14 is slided on connecting plate 17 to fit Size with user's head, but motor 10 drives flabellum 12 to rotate simultaneously, and flabellum 12 is extremely strong using some heat conduction and heat radiation performances Material, so, even if fan high speed rotation, its flabellum 12 will not because of heated severe tremor, stable rotation so that The mute performance of quiet fan further enhances, and will receive the influence of heat dissipation machine to make user not, and can quickly make earphone Temperature in the sponges cover of 3 inside of shell lowers, and the heat in the sponges cover of 3 inside of earphone case is discharged by ventilation duct 6, Silencing cotton 5 in ventilation hole 4 effectively eliminates the faint sound of the generation of flabellum 12, avoids influence user's from listening song effect, sound insulation Cover 13 can prevent external sound from entering inside earphone case 3, also can avoid sundries and enter heat extraction case 7, cause flabellum 12 to damage, nothing Method work.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of shell mechanism of headphone, including elastic head band (1), which is characterized in that the bottom of the elastic head band (1) Portion is fixedly connected with fixed frame (2), and the fixed frame (2) is rotatably equipped with earphone case (3), the earphone case by shaft (3) offered on the inside of ventilation hole (4), the inside of the ventilation hole (4) is equipped with silencing cotton (5), the earphone case (3) it is interior Portion is equipped with ventilation duct (6), and one end of the ventilation duct (6) is connected to ventilation hole (4), the other end connection of the ventilation duct (6) Having heat extraction case (7), the side of the heat extraction case (7) offers mounting hole (8), and the mounting hole (8) is connected to ventilation duct (6), It is fixedly connected with casing (9) on the left of the heat extraction case (7), the inside of the casing (9) is equipped with motor (10), the motor (10) output shaft is through heat extraction case (7) and is fixedly installed with mounting plate (11), and the side of the mounting plate (11) is fixedly connected There are several flabellums (12), the outside of the flabellum (12) is equipped with blimp (13), blimp (13) row of being fixedly mounted on The front of hot tank (7) is mounted by means of screws with telescopic arm (14), the telescopic arm on the inside of the elastic head band (1) (14) side offers sliding slot (15), and the internal activity of the sliding slot (15) is connected with sliding block (16), the sliding block (16) Bottom is fixedly connected with connecting plate (17), and the bottom of the connecting plate (17) is equipped with sponge protection pad (18).

2. a kind of shell mechanism of headphone according to claim 1, which is characterized in that the earphone case (3) The center of inside offers listening bore (19), and the quantity of the ventilation hole (4) is four, and four ventilation holes (4) are with earpiece The inside for being distributed in earphone case (3) of equal annular array centered on hole (19).

3. a kind of shell mechanism of headphone according to claim 1, which is characterized in that several described flabellums (12) side for being distributed in mounting plate (11) of annular array.

4. a kind of shell mechanism of headphone according to claim 1, which is characterized in that the fixed frame (2) is U Type structure.

5. a kind of shell mechanism of headphone according to claim 1, which is characterized in that the telescopic arm (14) Quantity is two, and two telescopic arms (14) are about the substantially symmetrical about its central axis of elastic head band (1).

6. a kind of shell mechanism of headphone according to claim 1, which is characterized in that the heat extraction case (7) is Semi-enclosed structure.