CN210298064U - Coaxial loudspeaker - Google Patents

Abstract

The utility model provides a coaxial loudspeaker, including basin frame, outer voice coil loudspeaker voice coil, interior voice coil loudspeaker voice coil, drum paper and magnetic circuit assembly. The utility model discloses technical scheme is through setting up interior voice coil loudspeaker voice coil and outer voice coil loudspeaker voice coil in the basin frame, interior voice coil loudspeaker voice coil cover is located in the outer voice coil loudspeaker voice coil, back on the basin frame is located to drum paper lid, the outside and the drum paper looks butt of interior voice coil loudspeaker voice coil, interior voice coil loudspeaker voice coil produces the vibration under magnetic circuit assembly's effect, so that with this vibration transmission to drum paper on, produce the bass effect, outer voice coil loudspeaker voice coil also with drum paper looks butt, under magnetic circuit assembly's effect, outer voice coil loudspeaker voice coil also produces the vibration, and with this vibration transmission to drum paper on, through the vibration stack of interior voice coil loudspeaker voice coil and outer voice coil loudspeaker voice coil, drive power and power output have been improved, make the vibration of drum paper stronger, make the utility model discloses coaxial loudspeaker's bass output is more powerful, is suitable for high-power bass output, interior voice coil loudspeaker voice coil and the coaxial setting of outer voice.

Description

Coaxial loudspeaker

Technical Field

The utility model relates to a speaker technical field, in particular to coaxial speaker.

Background

There are a lot of high-power ultra-thin speakers in the existing market, however, do not have the same speaker to utilize two coaxial voice coils and utilize same magnet to carry out the design of inside and outside magnetic conduction, effectively improve the utilization ratio of magnet, improve sensitivity, in addition, to high-end audio amplifier product, through combining together speaker outward appearance and audio amplifier outward appearance structure, concentrate two voice coils and set up in same speaker, make whole product tend to the miniaturization, do benefit to the overall arrangement of complete machine product, utilize the vibration of two voice coils simultaneously, realize powerful bass output.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coaxial loudspeaker aims at solving the lower technical problem of traditional speaker bass output.

In order to achieve the above object, the present invention provides a coaxial speaker, including: a basin stand;

an outer voice coil disposed in the basin frame

The inner voice coil is sleeved in the outer voice coil;

the drum paper is covered on the inner voice coil and arranged on the basin frame, and the inner voice coil is abutted with the drum paper;

the magnetic circuit assembly is sunk in the basin frame and is used for providing a magnetic field for the outer voice coil and the inner voice coil.

Preferably, the drum paper is including the trunk and roll over the ring, roll over the ring set up in week side of trunk, roll over the ring set up in on the basin frame, the trunk lid is located just be higher than on the interior voice coil loudspeaker voice coil the basin frame.

Preferably, the body towards the position of interior voice coil place sunken formation sunk structure, be provided with a plurality of strengthening rib on the body.

Preferably, the recessed structure is close to one side of interior voice coil loudspeaker voice coil encircles and is provided with the positioning ring groove, interior voice coil loudspeaker voice coil is close to one pot head of drum paper is located in the positioning ring groove.

Preferably, the coaxial speaker further comprises: the paper support, be equipped with the guiding hole on the paper support, interior voice coil loudspeaker voice coil cover is located in the guiding hole, the periphery wall and the outer voice coil loudspeaker voice coil of paper support bond mutually, the paper support bonds mutually with drum paper.

Preferably, the periphery of the outer peripheral wall of the outer voice coil is provided with a first convex ring, the paper support is bonded with the outer voice coil through the first convex ring, and the paper support is close to one side of the body and is abutted against the body.

Preferably, the inner peripheral wall of the frame is circumferentially provided with a positioning convex ring, and the coaxial speaker further comprises: the centering support piece is arranged on the positioning convex ring, an annular bulge is arranged on the peripheral wall of the inner ring of the centering support piece, a positioning groove is formed in one end, away from the drum paper, of the outer voice coil, and the annular bulge is arranged in the positioning groove;

outer magnetic ring, outer magnetic ring cover is located on the periphery wall of outer voice coil loudspeaker voice coil, outer magnetic ring is kept away from the one end of drum paper with centering disk looks butt.

Preferably, the magnetic circuit assembly comprises: the T iron comprises a base and a magnetic conduction column which is convexly arranged on the upper end face of the base, the base is arranged at the bottom of the basin frame, the magnetic conduction column penetrates through the centering support sheet and extends into the inner voice coil, and a magnetic coil ring groove is formed between the base and the magnetic conduction column;

the annular magnet is sleeved on the magnetic conduction column;

the washer is sleeved on the magnetic conduction column and is superposed on the annular magnet, and the inner voice coil penetrates through the annular magnet and the washer and is suspended in the magnetic coil ring groove.

Preferably, the magnetic circuit assembly further comprises: the aluminum ring is arranged between the annular magnet and the inner voice coil, and the peripheral wall of the aluminum ring is abutted with the peripheral wall of the magnetic coil ring groove.

Preferably, the T-bar is provided with a through hole penetrating through the T-bar.

The technical proposal of the utility model is that the inner voice coil and the outer voice coil are arranged in the basin frame, the inner voice coil is sleeved in the outer voice coil, after the drum paper is covered on the basin frame, the peripheral wall of the inner voice coil is abutted against the drum paper, the inner voice coil generates vibration under the action of the magnetic circuit component, so as to transmit the vibration to the drum paper to generate bass effect, the outer voice coil is also abutted against the drum paper, under the action of the magnetic circuit component, the outer voice coil also generates vibration and transmits the vibration to the drum paper, through the vibration stack of interior voice coil loudspeaker voice coil and outer voice coil loudspeaker voice coil, improved drive power and power output, make the vibration of drum paper stronger, make the utility model discloses coaxial loudspeaker's bass output is stronger, is suitable for high-power bass output, and interior voice coil loudspeaker voice coil and the coaxial setting of outer voice coil loudspeaker voice coil are favorable to speaker and audio amplifier exterior structure to combine together, and the box is inside to be optimized out more available spaces.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a coaxial speaker according to the present invention;

fig. 2 is a schematic diagram of an internal structure of another embodiment of the coaxial speaker of the present invention;

fig. 3 is an exploded schematic view of another embodiment of the coaxial speaker of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at M;

FIG. 5 is an enlarged view of a portion of FIG. 2 at J;

FIG. 6 is an enlarged view of a portion of FIG. 2 at N;

FIG. 7 is an enlarged view of a portion of FIG. 2 at K;

fig. 8 is a partial enlarged view at Q in fig. 2.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 8, the present invention provides a coaxial speaker, including: a basin stand 10; an outer voice coil 30, wherein the outer voice coil 30 is arranged in the basin stand 10; the inner voice coil 40, the said inner voice coil 40 is located in the said outer voice coil 30; the drum paper 20 is covered on the inner voice coil 40 and is arranged on the basin stand 10, and the inner voice coil 40 is abutted against the drum paper 20; and a magnetic circuit assembly sunk in the frame 10 for providing a magnetic field to the outer and inner voice coils 30 and 40.

Based on the above structure, the inner voice coil 40 and the outer voice coil 30 are disposed in the frame 10, the inner voice coil 40 and the outer voice coil 30 are coaxially disposed, the drum paper 20 is covered on the inner voice coil 40, and the drum paper 20 is disposed on the frame 10, wherein the inner voice coil 40 is sleeved in the outer voice coil 30, preferably, the upper end of the inner voice coil 40 extends to the outside of the outer voice coil 30, after the drum paper 20 is covered on the frame 10, the outer peripheral wall of the inner voice coil 40 abuts against the drum paper 20, the inner voice coil 40 generates vibration under the action of the magnetic circuit assembly, so that the vibration is transmitted to the drum paper 20, a bass effect is generated, meanwhile, the outer voice coil 30 also abuts against the drum paper 20, similarly, under the action of the magnetic circuit assembly, the outer voice coil 30 also generates vibration, and transmits the vibration to the drum paper 20, the vibration of the inner voice coil 40 and the outer voice coil 30 are superimposed, that the same drum paper 20 abuts against the inner voice coil 40 and the outer voice coil 30, improved drive power and power output, made the vibration of drum paper 20 stronger, made the utility model discloses coaxial loudspeaker's bass output is stronger, is suitable for high-power bass output, and simultaneously, interior voice coil loudspeaker voice coil 40 and the coaxial setting of outer voice coil loudspeaker voice coil 30 are favorable to speaker and audio amplifier exterior structure to combine together, and the box is inside to optimize out more available spaces.

Specifically, drum paper 20 is including carcass 21 and book ring 22, book ring 22 set up in week side of carcass 21, book ring 22 set up in on the basin frame 10, carcass 21 lid is located on the interior voice coil 40 and be higher than basin frame 10. Based on above structure, the edge 22 is used for covering the fixed body 21 on the basin frame 10, and simultaneously, the position that makes drum paper 20 is higher than the basin frame 10, and this structure effectively reduces the mounting height of the inside part of speaker, makes the whole outward appearance of speaker optimize more beautifully.

Specifically, the body 21 is recessed to the position of the inner voice coil 40 to form a recessed structure 211, and the body 21 is provided with a plurality of reinforcing ribs a. Based on the above structure, a plurality of reinforcing ribs a are used for enhancing the strength of the carcass 21 and preventing the carcass 21 from deforming.

Specifically, the concave structure 211 is close to one side of the inner voice coil 40 is circumferentially provided with a positioning ring groove B, the inner voice coil 40 is close to one end of the drum paper 20 is sleeved in the positioning ring groove B. Based on above structure, in order to improve the stability between interior voice coil 40 and the drum paper 20, set up positioning ring groove B on drum paper 20, this positioning ring groove B cup joints with interior voice coil 40 each other, is convenient for locate the upper end of interior voice coil 40 with the lid of drum paper 20, improves the stability between interior voice coil 40 and the drum paper 20.

Specifically, the coaxial speaker further includes: paper support 50, be equipped with guiding hole C on the paper support 50, interior voice coil loudspeaker voice coil 40 cover is located in the guiding hole C, the periphery wall and the outer voice coil loudspeaker voice coil 30 of paper support 50 bond mutually, paper support 50 bonds with drum paper 20 mutually. Based on above structure, through the guiding hole C of paper support 50, interior voice coil 40 remains the reciprocal displacement in a direction all the time at the in-process of vibration, when interior voice coil 40 vibrates, drives drum paper 20 vibration in step, and outer voice coil 30 bonds with paper support 50 mutually, when outer voice coil 30 vibrates, drives paper support 50 vibration, and paper support 50 bonds with drum paper 20 mutually, and the vibration transmission of paper support 50 is to drum paper 20 on, makes drum paper 20 output stronger bass.

Specifically, the periphery of the outer peripheral wall of the outer voice coil 30 is provided with a first convex ring 31, the paper support 50 is bonded to the outer voice coil 30 through the first convex ring 31, and the paper support 50 is close to one side of the body 21 and the body 21 are abutted. Based on above structure, in order to improve the stability that paper support 50 and interior voice coil 40 and outer voice coil 30 bond, paper support 50 bonds outer voice coil 30 through first bulge loop 31, paper support 50 is close to one side of body 21 with body 21 looks butt, first bulge loop 31 can adopt the material of easy bonding to make, is convenient for bond mutually with paper support 50.

Specifically, the ring week is provided with location bulge loop 11 on the internal perisporium of basin frame 10, coaxial loudspeaker still includes: the centering support piece 60 is arranged on the positioning convex ring 11, an annular bulge 61 is arranged on the peripheral wall of the inner ring of the centering support piece 60, a positioning groove F is arranged at one end, away from the drum paper 20, of the outer voice coil 30, and the annular bulge 61 is arranged in the positioning groove F; an outer magnetic ring 70, the outer magnetic ring 70 is sleeved on the peripheral wall of the outer voice coil 30, and one end of the outer magnetic ring 70, which is far away from the drum paper 20, abuts against the centering disk 60. Based on the above structure, the outer voice coil 30 is sleeved with an outer magnetic conductive ring 70, which can conduct the magnetic field generated by the magnetic circuit assembly to the outer voice coil 30 to stabilize the magnetic field environment required by the vibration of the outer voice coil 30, meanwhile, the centering support 60 is of an annular structure, and a positioning convex ring 11 is arranged on the periphery of the inner peripheral wall of the frame 10, the position of the positioning convex ring 11 can be adaptively arranged according to the installation position of the centering support 60, the centering support 60 is arranged on the positioning convex ring 11, an annular bulge 61 is arranged on the periphery wall of the inner ring of the centering support 60, the lower end of the outer voice coil 30 is provided with a positioning groove F, the lower end of the outer voice coil 30 is clamped with the annular bulge 61 through the positioning groove F, the outer magnetic conductive ring 70 is sleeved on the periphery wall of the outer voice coil 30, and the lower end of the outer magnetic conductive ring 70 abuts against the centering support 60, so as to fix the positions of the outer voice coil 30 and the outer magnetic conductive ring 70, and the vibration of the centering support 60 can, finally superpose to drum paper 20 on, improve the utility model discloses the bass output effect of speaker.

Specifically, the magnetic circuit assembly includes: the T iron 81 comprises a base 811 and a magnetic conductive column 812 convexly arranged on the upper end surface of the base 811, the base 811 is arranged at the bottom of the basin frame 10, the magnetic conductive column 812 penetrates through the centering support 60 and extends into the inner voice coil 40, and a magnetic coil annular groove D is arranged between the base 811 and the magnetic conductive column 812; the annular magnet 82 is sleeved on the magnetic conduction column 812, and the annular magnet 82 is sleeved on the magnetic conduction column 812; and the washer 83 is sleeved on the magnetic conduction column 812 and is superposed on the annular magnet 82, and the inner voice coil 40 penetrates through the annular magnet 82 and the washer 83 and is suspended in the magnetic coil ring groove D. Based on above structure, in order to guarantee the utility model discloses the stability in the inside magnetic field of speaker, T iron 81's base 811 sets up the bottom at basin frame 10, for the convenience of installation, base 811 sets up to the cylinder structure, magnetic conductive column 812 runs through the inside that extends to interior voice coil loudspeaker voice coil 40 behind the centering support piece 60, annular magnet 82 and china 83 fold and establish the back all overlap locate on magnetic conductive column 812, for making interior voice coil loudspeaker voice coil 40 have sufficient vibration space, at base 811 with set up a magnetic wire annular D between magnetic conductive column 812, the lower extreme of interior voice coil loudspeaker voice coil 40 hangs and establishes in this magnetic wire annular D, annular magnet 82 produces behind the magnetic field, and interior voice coil loudspeaker voice coil 40 lets in the electric current, interior voice coil loudspeaker voice coil 40 is under the effect in magnetic field, its lower extreme is at the continuous magnetic wire of magnetic wire annular D, produce the vibration, and then transmit to drum paper 20 on.

Specifically, the magnetic circuit assembly further includes: and an aluminum ring 84, wherein the aluminum ring 84 is disposed between the ring magnet 82 and the inner voice coil 40, and an outer peripheral wall of the aluminum ring 84 is in contact with a peripheral wall of the magnetic coil ring groove D. Based on the above structure, an aluminum ring 84 is provided between the ring magnet 82 and the inner voice coil 40 for reducing distortion.

Specifically, the T-bar 81 is provided with a through hole E penetrating through the T-bar 81. With the above configuration, the through hole E of the T-bar 81 serves to reduce distortion by allowing air to flow through the inner region of the speaker, i.e., the inner voice coil 40.

Specifically, the basin stand 10 is embedded with a connection terminal 90, the connection terminal 90 is used for connecting the outer voice coil 30 and external devices, such as power amplifier devices, and the inner voice coil 40 is directly connected with the outer voice coil 30 by a lead wire.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. A coaxial speaker, comprising:

a basin stand;

an outer voice coil disposed in the basin frame

The inner voice coil is sleeved in the outer voice coil;

the drum paper is covered on the inner voice coil and arranged on the basin frame, and the inner voice coil is abutted with the drum paper;

the magnetic circuit assembly is sunk in the basin frame and is used for providing a magnetic field for the outer voice coil and the inner voice coil.

2. The coaxial speaker of claim 1, wherein the drum paper comprises a body and a folded ring, the folded ring is disposed on the periphery of the body, the folded ring is disposed on the frame, and the body is covered on the inner voice coil and is higher than the frame.

3. The coaxial speaker as claimed in claim 2, wherein the body is recessed to a position where the inner voice coil is located to form a recessed structure, and the body is provided with a plurality of ribs.

4. The coaxial speaker of claim 3, wherein a positioning ring groove is circumferentially formed on a side of the recessed structure close to the inner voice coil, and an end of the inner voice coil close to the drum paper is sleeved in the positioning ring groove.

5. The coaxial speaker of claim 2, further comprising:

the paper support, be equipped with the guiding hole on the paper support, interior voice coil loudspeaker voice coil sets up the cover and locates in the guiding hole, the periphery wall and the outer voice coil loudspeaker voice coil of paper support bond mutually, the paper support bonds mutually with drum paper.

6. The coaxial speaker as claimed in claim 5, wherein the outer peripheral wall of the outer voice coil is circumferentially provided with a first protruding ring, the paper holder is bonded to the outer voice coil by the first protruding ring, and a side of the paper holder close to the body abuts against the body.

7. The coaxial speaker of claim 6, wherein the inner peripheral wall of the frame is circumferentially provided with a positioning protruding ring, and the coaxial speaker further comprises:

the centering support piece is arranged on the positioning convex ring, an annular bulge is arranged on the peripheral wall of the inner ring of the centering support piece, a positioning groove is formed in one end, away from the drum paper, of the outer voice coil, and the annular bulge is arranged in the positioning groove;

outer magnetic ring, outer magnetic ring cover is located on the periphery wall of outer voice coil loudspeaker voice coil, outer magnetic ring is kept away from the one end of drum paper with centering disk looks butt.

8. The coaxial speaker of claim 7, wherein the magnetic circuit assembly comprises:

the T iron comprises a base and a magnetic conduction column which is convexly arranged on the upper end face of the base, the base is arranged at the bottom of the basin frame, the magnetic conduction column penetrates through the centering support sheet and extends into the inner voice coil, and a magnetic coil ring groove is formed between the base and the magnetic conduction column;

the annular magnet is sleeved on the magnetic conduction column;

the washer is sleeved on the magnetic conduction column and is superposed on the annular magnet, and the inner voice coil penetrates through the annular magnet and the washer and is suspended in the magnetic coil ring groove.

9. The coaxial speaker of claim 8, wherein the magnetic circuit assembly further comprises:

the aluminum ring is arranged between the annular magnet and the inner voice coil, and the peripheral wall of the aluminum ring is abutted with the peripheral wall of the magnetic coil ring groove.

10. The coaxial speaker of claim 8, wherein the T-iron is provided with a through hole therethrough.

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