CN210351567U - Portable noise reduction earphone - Google Patents

Abstract

The utility model belongs to the technical field of earphones, in particular to a portable noise reduction earphone, which comprises a hollow head band, two connecting rods and two hollow earphones; a plurality of elastic supporting rods are arranged in the middle of the hollow headband, and air holes are formed among the elastic supporting rods in a penetrating manner; two the middle part of fretwork headset all is equipped with the headset seat, the peripheral outside extension of headset seat forms the ear muff, the headset seat with be equipped with a plurality of fretwork bleeder vents between the ear muff. The utility model has the advantages that on one hand, the plurality of through air holes are arranged, so that the material of the through air holes arranged on the hollow head band is saved, and the weight of the hollow head band is reduced; on the other hand be equipped with a plurality of fretwork bleeder vents on the fretwork headset, further reduced the weight of fretwork headset, so, the whole weight of dual reduction earphone has avoided the too big uncomfortable problem of user's head that leads to of earphone weight, has improved user's use and has experienced.

Description

Portable noise reduction earphone

Technical Field

The utility model belongs to the technical field of the earphone, especially, relate to a portable noise reduction earphone.

Background

The noise reduction earphone is an earphone which reduces noise by using a certain method, and the current noise reduction earphones are divided into two types: active noise reduction headphones and passive noise reduction headphones. The active noise reduction function is to generate reverse sound waves equal to external noise through a noise reduction system to neutralize the noise, so that the noise reduction effect is realized. The passive noise reduction earphone mainly forms a closed space by surrounding ears, or adopts sound insulation materials such as silica gel earplugs and the like to block outside noise.

At present, noise reduction earphones are various, and compared with common earphones, noise reduction earphones need to be additionally provided with a circuit board for achieving the noise reduction function, so that the weight of the noise reduction earphones is inevitably increased. In order to meet the use requirements, the headset needs to have a rotation adjustable function, but the headset rotation adjusting structure in the current market is complex, a plurality of parts are needed, and the weight of the headset is further increased. The earphone is too heavy, so that when a user wears the earphone for a long time, the earphone easily causes pressure on the head of the user, the user feels uncomfortable, and the use experience of the user is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable earphone of making an uproar falls aims at solving among the prior art and falls the earphone of making an uproar and produce the uncomfortable technical problem of head when leading to the user to wear the earphone for a long time because of weight is big.

In order to achieve the above object, an embodiment of the present invention provides a portable noise reduction earphone, which includes a hollow headband, two connecting rods, and two hollow headsets; one ends of the two connecting rods are respectively connected with two ends of the hollow head band, and the other ends of the two connecting rods are respectively connected with the two hollow earphones; a plurality of elastic supporting rods are arranged in the middle of the hollow headband, and air holes are formed among the elastic supporting rods in a penetrating manner; two the middle part of fretwork headset all is equipped with the headset seat, the peripheral outside extension of headset seat forms the ear muff, the headset seat with be equipped with a plurality of fretwork bleeder vents between the ear muff.

Optionally, both ends of the hollowed-out headband all form a connecting portion, and one end of the connecting rod penetrates through the connecting portion and extends into the through air hole.

Optionally, the number of the elastic support rods is two, and the through air holes are formed between the two elastic support rods.

Optionally, the hollowed-out air holes are arranged at equal intervals, and the hollowed-out areas of the hollowed-out air holes are the same.

Optionally, a layer of bamboo charcoal fiber cloth is covered on the surface of the headset seat, and the linear density of the bamboo charcoal fiber cloth is 6-12 dtex.

Optionally, sound transmission holes are further dug in the bamboo charcoal fiber cloth, and the sound transmission holes are arranged in the bamboo charcoal fiber cloth at equal intervals.

Optionally, the hollowed-out headset comprises a headset body, a rotation adjusting assembly and a housing; the outer cover is clamped on the headset main body, the rotation adjusting component is arranged between the headset main body and the outer cover, and the connecting rod penetrates through the outer cover and is movably connected with the rotation adjusting component.

Optionally, the rotation adjusting assembly includes a fixing block and an elastic fixing rod, the fixing block is fixedly mounted on the housing, and the elastic fixing rod is mounted on the fixing block; the connecting rod passes the one end of dustcoat is equipped with rotatory recess, elasticity dead lever activity card inlay in rotatory recess.

Optionally, clamping columns are symmetrically arranged on two sides of the fixing block, and the elastic fixing rod is clamped and embedded between the two clamping columns.

Optionally, a positioning groove is formed in the fixing block between the two clamping columns, and the positioning groove is matched with the elastic fixing rod so that the elastic fixing rod is clamped in the positioning groove.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the portable noise reduction earphone have one of following technological effect at least: compared with the common noise reduction type earphone in the prior art, on one hand, the utility model saves the material of the through air holes arranged on the hollow head band by arranging a plurality of elastic supporting rods in the middle of the hollow head band and arranging a plurality of through air holes between the elastic supporting rods, thereby reducing the weight of the hollow head band; on the other hand is in be equipped with a plurality of fretwork bleeder vents on the fretwork headset to saved still further reduced when the material of fretwork headset the weight of fretwork headset, so, dual reduction earphone's whole weight in two aspects of headset and ear area has greatly reduced the whole weight of earphone, has avoided leading to the uncomfortable problem of user's head because of earphone weight is too big, has improved user's use and has high practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of an overall structure of a portable noise reduction earphone according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a portable noise reduction earphone according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic structural view of a hollow headset of a portable noise reduction earphone according to an embodiment of the present invention;

FIG. 5 is another perspective view of the hollowed-out headset of FIG. 4;

fig. 6 is a schematic structural view of the portable noise reduction earphone according to the embodiment of the present invention with the hidden cover;

fig. 7 is a schematic view of a split structure of a hollow headset of a portable noise reduction earphone according to an embodiment of the present invention;

fig. 8 is a circuit block diagram of a noise reduction circuit of a portable noise reduction earphone according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

the hollow headband 100, the elastic support rod 110, the through air hole 120, the connecting part 130, the connecting rod 200, the rotary groove 210, the two limiting parts 211, the hollow headset 300, the headset main body 310, the outer cover 320, the headset seat 330, the ear cover 340, the hollow air hole 350, the bamboo charcoal fiber cloth 360, the sound transmission hole 361, the fixing block 400, the clamping column 410, the positioning groove 420, the elastic fixing rod 500 and the rotary adjusting component 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1-2, a portable noise reduction earphone is provided, which includes a hollow headband 100, two connecting rods 200 and two hollow headsets 300; one end of the two connecting rods 200 is connected to two ends of the hollow headband 100, and the other end of the two connecting rods 200 is connected to the two hollow headsets 300. A plurality of elastic support rods 110 are arranged in the middle of the hollow headband 100, and air holes 120 are formed among the elastic support rods 110; two the middle part of fretwork headset 300 all is equipped with headset seat 330, the peripheral outside extension of headset seat 330 forms ear muff 340, headset seat 330 with be equipped with a plurality of fretwork bleeder vents 350 between the ear muff 340.

Compared with the common noise reduction type earphone in the prior art, on one hand, the utility model saves the material of the through air holes 120 arranged on the hollow headband 100 by arranging a plurality of elastic supporting rods 110 in the middle of the hollow headband 100 and arranging a plurality of through air holes 120 between the elastic supporting rods 110, thereby reducing the weight of the hollow headband 100; on the other hand is in be equipped with a plurality of fretwork bleeder vents 350 on fretwork headset 300 to still further reduced when having saved fretwork headset 300's material the weight of fretwork headset 350, so, dual reduction earphone's whole weight in two aspects of headset and ear area, greatly reduced earphone's whole weight, avoided leading to the uncomfortable problem of user's head because of earphone weight is too big, improved user's use and experienced, had high practicality.

In another embodiment of the present invention, as shown in fig. 1, the connection portion 130 is formed at both ends of the hollowed headband 100, and one end of the connection rod 200 passes through the connection portion 130 and extends into the through hole 350. Specifically, the through air holes 120 are further utilized by allowing one end of the connection rod 200 to pass through the connection part 130 and extend into the through air holes 120, thereby improving space utilization.

Specifically, the number of the elastic support rods 110 is two, and the through air holes 120 are formed between the two elastic support rods 110. Further, the two elastic support rods 110 are both arc-shaped to match the head of the user. In addition, more than elastic support rod 110, two elastic support rod 110 makes the area of running through bleeder vent 120 is the biggest, has also furthest reduced the weight of fretwork formula bandeau 100 to reduced the whole weight of the earphone of making an uproar falls in the light and convenient formula, and then improve user experience.

In another embodiment of the present invention, as shown in fig. 4-5, the hollow-out air holes 350 are disposed at equal intervals, and the hollow-out areas of the hollow-out air holes 350 are the same. In this embodiment, the hollowed-out air holes 350 are arranged at equal intervals and the hollowed-out areas of the hollowed-out air holes 350 are the same, so that when the air is ventilated, the heat of the ears of a user is uniformly dissipated, the user experience is improved, and the appearance is more attractive.

In another embodiment of the present invention, as shown in fig. 5, a layer of bamboo charcoal fiber cloth 360 is covered on the surface of the headset seat 330, and the linear density of the bamboo charcoal fiber cloth 360 is 6-12 dtex. In this embodiment, bamboo charcoal fiber cloth 360 has the moisture absorption ventilative, and the advantage of cool in summer is warm in winter, so through adopting bamboo charcoal fiber cloth 360 for air permeability is better, improves the heat dispersion of earphone further, just bamboo charcoal fiber cloth 360's weight is lighter, accords with the utility model discloses in the definition of portable design.

Specifically, sound transmission holes 361 are further dug in the bamboo charcoal fiber cloth 360, and the sound transmission holes 361 are arranged in the bamboo charcoal fiber cloth 360 at equal intervals. Further, through setting up sound transmission hole 360 has made things convenient for the inflow and the outflow of air, and the internal pressure of balanced earphone lets the built-in speaker of earphone shake more freely and smoothly to bring better auditory effect, let tone quality more pleasing to the ear of release in the ear and hear, create better tone quality and heavy bass effect.

In another embodiment of the present invention, as shown in fig. 4, 5 and 7, the hollowed-out headset 330 includes a headset main body 310, a rotation adjusting assembly 600 and a housing 320; the housing 320 is engaged with the headset main body 310, the rotation adjustment assembly 600 is disposed between the headset main body 310 and the housing 320, and the connection rod 200 passes through the housing 320 and is movably connected to the rotation adjustment assembly 600. The headset seat 330 is disposed on the headset body.

Specifically, as shown in fig. 2, 3 and 6, the rotation adjusting assembly 600 includes a fixing block 400 and an elastic fixing rod 500, the fixing block 400 is fixedly mounted on the outer cover 340, and the elastic fixing rod 500 is mounted on the fixing block 400; one end of the connecting rod 200 penetrating through the outer cover 340 is provided with a rotating groove 210, and the elastic fixing rod 500 is movably clamped and embedded in the rotating groove 210.

Thus, by arranging the rotating groove 210 and movably clamping and embedding the elastic fixing rod 500 in the rotating groove 210, when the hollow headset 300 needs to be rotated, the hollow headset 300 can be rotated along the rotating groove 210 by only shifting the hollow headset 300 and moving the elastic fixing rod 500 along the rotating groove 210, so that the hollow headset 300 can be rotated along the rotating groove 210 by taking the center of the connecting rod 200 as an axis; therefore, the headset can be rotated by the rotating groove 210 and the elastic fixing rod 500, the structure is simple, few parts are included, and therefore the overall weight of the headset is further reduced, and better use experience is brought to a user.

As shown in fig. 3, two ends of the rotation groove 210 respectively form two position-limiting portions 211, so that the rotation groove 210 is in a non-closed ring shape. Specifically, in actual production, fretwork headset 300 with fretwork formula bandeau 100 directly still is provided with the electric connecting wire (not shown), and through setting up two spacing portion 211 has restricted the rotatory rotation angle of fretwork headset 300 has avoided fretwork headset 300 leads to the problem of electric connecting wire damage because of excessive rotation.

Further, as shown in fig. 7, the two sides of the fixing block 400 are symmetrically provided with clamping columns 410, and the elastic fixing rod 500 is clamped between the two clamping columns 410. Specifically, the clamping columns 410 are arranged to enable the elastic fixing rod 500 to be quickly installed between the two clamping columns 410. In this embodiment, the elastic fixing rod 500 is made of rubber, and in actual production, the length of the elastic fixing rod 500 is slightly greater than the distance between the two clamping columns 410, so that, when the elastic fixing rod 500 is installed, only human force is needed to directly clamp the elastic fixing rod 500 between the two clamping columns 410, and then the two ends of the elastic fixing rod 500 are respectively abutted to the two clamping columns 410.

Specifically, a first screw hole 411 is formed through the middle of the fastening column 410, a second screw hole (not shown) is correspondingly formed in the inner wall of the outer cover 320, and a screw 412 penetrates through the first screw hole 411 and the second screw hole to screw the fixing block 400 on the inner wall of the outer cover 320.

As shown in fig. 7, a positioning groove 420 is disposed on the fixing block 400 between the two clamping columns 410, and the positioning groove 420 and the elastic fixing rod 500 are matched to make the elastic fixing rod 500 clamped in the positioning groove 420. Through setting up constant head tank 420, the workman's equipment of being convenient for during the installation on the one hand, on the other hand has improved stability after the installation of elasticity dead lever 500, the practicality is high.

Further, as shown in fig. 8, a noise reduction circuit board (not shown) is further disposed in the hollow headset, and a noise reduction circuit 700 is disposed on the noise reduction circuit board. The noise reduction circuit 700 includes a main control chip 730, a first signal detection circuit 710 and a second signal detection circuit 720. The first signal detection circuit 710 and the second signal detection circuit 720 are electrically connected to the main control chip 730. The detection ends of the first signal detection circuit 710 and the second signal detection circuit 720 are exposed, so that the first signal detection circuit 710 and the second signal detection circuit 720 detect external sounds, then detected signals are transmitted to the main control chip 730, the main control chip 730 performs noise reduction on the detected signals, and the detected signals are output and transmitted to human ears. Further, the model of the main control chip 730 is preferably YMU831_ MACH-5.

It should be noted that the noise reduction circuit 700 is a mature and formed circuit structure in the prior art, and the noise reduction circuit 700 is not the key point to be protected, so to the working principle thereof, the utility model discloses do not specifically describe.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A portable noise reduction earphone comprises a hollow head band, two connecting rods and two hollow earphones; one ends of the two connecting rods are respectively connected with two ends of the hollow head band, and the other ends of the two connecting rods are respectively connected with the two hollow earphones; the novel headband is characterized in that a plurality of elastic supporting rods are arranged in the middle of the hollowed headband, and air holes are formed among the elastic supporting rods in a penetrating manner; two the middle part of fretwork headset all is equipped with the headset seat, the peripheral outside extension of headset seat forms the ear muff, the headset seat with be equipped with a plurality of fretwork bleeder vents between the ear muff.

2. The portable noise reducing earphone according to claim 1, wherein both ends of the hollowed-out headband form a connecting portion, and one end of the connecting rod passes through the connecting portion and extends into the through vent.

3. The portable noise reduction earphone according to claim 1, wherein the number of the elastic support rods is two, and the through air holes are formed between the two elastic support rods.

4. The portable noise reduction earphone according to claim 1, wherein the hollowed-out air holes are arranged at equal intervals, and the hollowed-out areas of the hollowed-out air holes are the same.

5. The portable noise reduction earphone according to claim 1, wherein the surface of the earphone seat is covered with a layer of bamboo charcoal fiber cloth, and the linear density of the bamboo charcoal fiber cloth is 6-12 dtex.

6. The portable noise reduction earphone according to claim 5, wherein sound transmission holes are dug in the bamboo charcoal fiber cloth, and the sound transmission holes are arranged in the bamboo charcoal fiber cloth at equal intervals.

7. The portable noise reducing earphone of claim 1 wherein the hollowed out headset comprises a headset body, a rotation adjustment assembly and a housing; the outer cover is clamped on the headset main body, the rotation adjusting component is arranged between the headset main body and the outer cover, and the connecting rod penetrates through the outer cover and is movably connected with the rotation adjusting component.

8. The portable noise reducing earphone according to claim 7 wherein the rotation adjustment assembly comprises a fixed block fixedly mounted on the housing and an elastic fixing rod mounted on the fixed block; the connecting rod passes the one end of dustcoat is equipped with rotatory recess, elasticity dead lever activity card inlay in rotatory recess.

9. The portable noise-reducing earphone according to claim 8, wherein the fixing block is symmetrically provided with two clamping posts at two sides, and the elastic fixing rod is clamped and embedded between the two clamping posts.

10. The portable noise-reducing earphone according to claim 9, wherein a positioning groove is disposed on the fixing block between the two clipping posts, and the positioning groove is matched with the elastic fixing rod so that the elastic fixing rod is clipped in the positioning groove.

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