CN215345058U

CN215345058U - Adjustable coaxial loudspeaker

Info

Publication number: CN215345058U
Application number: CN202121798251.0U
Authority: CN
Inventors: 聂浩; 李克强
Original assignee: Dongguan Shiwei Electronic Technology Co ltd
Current assignee: Dongguan Shiwei Electronic Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-12-28
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to the technical field of loudspeakers, in particular to an adjustable coaxial loudspeaker which comprises an upper cover and a lower cover, wherein a sound adjusting plate is arranged between the upper cover and the lower cover, a first vibrating diaphragm is arranged between the upper cover and the sound adjusting plate, the sound adjusting plate is provided with a plurality of sound adjusting holes distributed in an arc shape, the lower cover is provided with a sound guide channel formed around the central axis of the lower cover, the sound adjusting holes and the sound guide channel are arranged oppositely, the middle part of the upper cover is provided with a first accommodating space and a first loudspeaker body accommodated in the first accommodating space, the middle part of the lower cover is provided with a second accommodating space and a second loudspeaker body accommodated in the second accommodating space, the middle part of the sound adjusting plate is provided with a through hole, the second loudspeaker body penetrates through the through hole and is arranged oppositely to the first vibrating diaphragm, the first loudspeaker body and the second loudspeaker body are arranged coaxially, and the bottom of the lower cover is provided with sound outlet holes and sound adjusting paper. Adopt the coaxial fixed knot of two loudspeaker to construct, compact structure and small in size make things convenient for the tuning for the tone quality of earphone obtains very big promotion, satisfies user's different sense of hearing demands.

Description

Adjustable coaxial loudspeaker

Technical Field

The utility model relates to the technical field of loudspeakers, in particular to an adjustable coaxial loudspeaker.

Background

At present, as the earphone is applied to various electronic devices, the requirements of users on the sound quality and the appearance of the earphone are higher and higher, so that the earphone is gradually developing towards the direction of light and thin appearance and prominent sound quality effect of a loudspeaker. The earphone of current two loudspeaker adopts the mounting structure side by side mostly, not only leads to earphone cavity structure complicated, and is too big, influences the whole pleasing to the eye of earphone and wears the travelling comfort, but also leads to the tuning difficulty, is difficult to satisfy user's different sense of hearing demands.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable coaxial loudspeaker aiming at the defects of the prior art, which adopts a double-loudspeaker coaxial fixing structure, has a compact structure and small volume, is convenient for tuning, greatly improves the tone quality of an earphone, and meets different hearing requirements of users.

In order to achieve the above object, the adjustable coaxial horn of the present invention comprises an upper cover and a lower cover connected with the upper cover, a sound adjusting plate is arranged between the upper cover and the lower cover, a first vibrating diaphragm is arranged between the upper cover and the sound adjusting plate, the sound adjusting plate is provided with a plurality of sound adjusting holes which are arranged in a circular arc shape, the lower cover is provided with a sound guide channel which is formed around the central axis of the lower cover, the sound adjusting hole is opposite to the sound guide channel, the middle part of the upper cover is provided with a first accommodating space and a first horn body accommodated in the first accommodating space, the middle part of the lower cover is provided with a second accommodating space and a second horn body accommodated in the second accommodating space, the middle part of the sound adjusting plate is provided with a through hole, the second horn body passes through the through hole and is arranged opposite to the first vibrating diaphragm, the first horn body and the second horn body are coaxially arranged, and the bottom of the lower cover is provided with a sound outlet hole and tuning paper attached to the sound outlet hole.

Preferably, the first diaphragm comprises an outer frame, an annular convex membrane connected to the front end face of the outer frame, and a drum membrane fixed to the middle of the annular convex membrane, and the annular convex membrane is provided with a plurality of concave strips arranged in a fan-blade shape.

Preferably, first horn body is including protecting cover, second vibrating diaphragm, first china department, first magnet and the T iron that connects gradually, the protecting cover is connected with the second vibrating diaphragm, the second vibrating diaphragm is connected in first china department, the outside of T iron is located to first magnet cover, first china department is connected in the top of first magnet.

Preferably, the second horn body comprises a mounting seat, a second magnet and a second washer, the second magnet and the second washer are both arranged on the mounting seat, and the second washer is connected to the top of the second magnet.

Preferably, the periphery of the bottom of the mounting seat is provided with mounting holes, and the periphery of the bottom of the lower cover is provided with connecting holes matched with the mounting holes.

The utility model has the beneficial effects that: an adjustable coaxial loudspeaker comprises an upper cover and a lower cover connected with the upper cover, wherein a sound adjusting plate is arranged between the upper cover and the lower cover, a first vibrating diaphragm is arranged between the upper cover and the sound adjusting plate, the sound adjusting plate is provided with a plurality of sound adjusting holes which are arranged in a circular arc shape, the lower cover is provided with a sound guide channel formed around the central axis of the lower cover, the sound adjusting hole is arranged opposite to the sound guide channel, the middle part of the upper cover is provided with a first accommodating space and a first horn body accommodated in the first accommodating space, the middle part of the lower cover is provided with a second accommodating space and a second horn body accommodated in the second accommodating space, the middle part of the sound adjusting plate is provided with a through hole, the second horn body passes through the through hole and is arranged opposite to the first vibrating diaphragm, the first horn body and the second horn body are coaxially arranged, and the bottom of the lower cover is provided with a sound outlet hole and tuning paper attached to the sound outlet hole.

The upper cover is connected with the first loudspeaker body through the first accommodating space, the lower cover is connected with the second loudspeaker body through the second accommodating space, the tuning board is arranged between the upper cover and the lower cover, the first vibrating diaphragm is arranged between the upper cover and the tuning board, the second loudspeaker body penetrates through the through hole of the tuning board and is arranged opposite to the first vibrating diaphragm, so that the first loudspeaker body and the second loudspeaker body are coaxially arranged, the sound domains of the first loudspeaker body and the second loudspeaker body are combined, the sound quality effect of a wider sound domain can be obtained in an audible sound domain range, the layering sense and the detail performance of the sound quality are better, the tuning board is provided with a plurality of tuning holes which are arranged in an arc shape, the tuning holes are arranged opposite to the sound guide channel, the sound outlet holes are arranged at the bottom of the lower cover and are positioned in the sound guide channel, the tuning paper is attached to the outer side of the sound outlet, the change of a sound curve is adjusted through the ventilation quantity of the tuning holes and the tuning paper, and thus the tuning effect is achieved, make loudspeaker possess that the high frequency extends well and sound not harsh, its broad frequency response level lets the listening sense very wide, sound resolution is high, structurally the first horn body of small-size and the combination of large-size second horn body be in the same place, accomplish the integration assembly, reduce the step of later stage assembly, the accent hole divide into greatly, two little sizes, can adjust low-frequency sound, carefully adjust ventilative volume, effectively keep the uniformity of sound, with current loudspeaker contrast, more balanced on the sound, it is clean elastic to have accomplished the low frequency, the intermediate frequency is clear plump, high frequency is penetrating. The earphone adopts a coaxial fixing structure with double loudspeakers, has a compact structure and small volume, is convenient for tuning, greatly improves the tone quality of the earphone, and meets different hearing requirements of users.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

The reference numerals include:

1-upper cover 11-first accommodation space

2-lower cover 21-sound guide channel 22-second accommodation space

23-sound outlet hole 24-sound mixing paper 25-connecting hole

3-sound adjusting board 31-sound adjusting hole 32-through hole

4-first diaphragm 41-outer frame 42-annular convex membrane

43 tympanic membrane 44 concave strip

5-first speaker 51-protective cover 52-second diaphragm

53-first washer 54-first magnet 55-T iron

6-second horn body 61-mounting seat 62-second magnet

63-second washer 64-mounting hole.

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1 to 2, the adjustable coaxial speaker of the present invention includes an upper cover 1 and a lower cover 2 connected to the upper cover 1, a tuning board 3 is disposed between the upper cover 1 and the lower cover 2, a first vibrating diaphragm 4 is disposed between the upper cover 1 and the tuning board 3, the tuning board 3 is provided with a plurality of tuning holes 31 arranged in an arc shape, the lower cover 2 is provided with a sound guiding channel 21 formed around a central axis of the lower cover 2, the tuning holes 31 are disposed opposite to the sound guiding channel 21, a first accommodating space 11 and a first speaker 5 accommodated in the first accommodating space 11 are disposed in a middle portion of the upper cover 1, a second accommodating space 22 and a second speaker 6 accommodated in the second accommodating space 22 are disposed in a middle portion of the lower cover 2, a through hole 32 is disposed in a middle portion of the tuning board 3, the second speaker 6 passes through the through hole 32 and is disposed opposite to the first vibrating diaphragm 4, the first speaker 5 and the second speaker 6 are coaxially arranged, and the bottom of the lower cover 2 is provided with a sound outlet hole 23 and a tuning paper 24 attached to the sound outlet hole 23.

The upper cover 1 is connected with the first horn body 5 through the first containing space 11, the lower cover 2 is connected with the second horn body 6 through the second containing space 22, the tuning board 3 is arranged between the upper cover 1 and the lower cover 2, the first vibrating diaphragm 4 is arranged between the upper cover 1 and the tuning board 3, the second horn body 6 passes through the through hole 32 of the tuning board 3 and is arranged opposite to the first vibrating diaphragm 4, so that the first horn body 5 and the second horn body 6 are coaxially arranged, the sound domains of the first horn body 5 and the second horn body 6 are combined, the sound quality effect of wider sound domains can be obtained in the audible sound domain range, the hierarchy sense and the detail performance of the sound quality are better, the tuning board 3 is provided with a plurality of tuning holes 31 which are arranged in a circular arc shape, the tuning holes 31 are arranged opposite to the sound guide channel 21, the sound outlet holes 23 are arranged at the bottom of the lower cover 2 and are positioned in the sound guide channel 21, the tuning paper 24 is adhered to the outer side of the sound outlet 23, the change of sound curve is adjusted through the ventilative volume of accent hole 31 and tuning 24, thereby reach the tuning effect, make loudspeaker possess that the high frequency extends well and sound not harsh, its broad frequency response level lets the listening sense very wide, sound resolution is high, structurally combine small-size first horn 5 and large-size second horn 6 together, accomplish the integration assembly, reduce the step of later stage assembly, accent hole 31 divide into big, two little sizes, can adjust low-frequency sound, carefully adjust ventilative volume, effectively keep the uniformity of sound, compare with current loudspeaker, it is more balanced on the sound, it is clean elastic to have accomplished the low frequency, the intermediate frequency is clear plump, the high frequency is penetrating. The earphone adopts a coaxial fixing structure with double loudspeakers, has a compact structure and small volume, is convenient for tuning, greatly improves the tone quality of the earphone, and meets different hearing requirements of users.

As shown in fig. 1 and fig. 2, the first diaphragm 4 of the present embodiment includes an outer frame 41, an annular convex film 42 connected to a front end surface of the outer frame 41, and a tympanic membrane 43 fixed in a middle portion of the annular convex film 42, where the annular convex film 42 is provided with a plurality of concave strips 44 arranged in a fan-leaf shape. Specifically, first vibrating diaphragm 4 includes frame 41, connects in the annular convex membrane 42 of frame 41 preceding terminal surface and fixes the tympanic membrane 43 at annular convex membrane 42 middle part, is provided with a plurality of concave strips 44 that are the flabellum form and arrange at annular convex membrane 42, improves vibration range, and the range of sound is wider and tone quality is good, effectively promotes the tone quality effect of second loudspeaker 6, reduces the distortion.

As shown in fig. 1 and fig. 2, the first horn 5 of this embodiment includes a protecting cover 51, a second diaphragm 52, a first washer 53, a first magnet 54 and a T-shaped iron 55, which are connected in sequence, the protecting cover 51 is connected to the second diaphragm 52, the second diaphragm 52 is connected to the first washer 53, the first magnet 54 is sleeved on the outside of the T-shaped iron 55, and the first washer 53 is connected to the top of the first magnet 54. Specifically, T iron 55 through connection has first magnet 54, first china department 53, drives first china department 53 after first magnet 54 switches on, and T iron 55, first china department 53 all have the magnetic conduction effect, drive second vibrating diaphragm 52 vibration pronunciation through the magnetic circuit effect, and second vibrating diaphragm 52 receives the vibration and produces sound, and protecting cover 51 lid is established and is connected in second vibrating diaphragm 52, and the installation is reliable and stable.

As shown in fig. 2, the second horn 6 of the present embodiment includes a mounting seat 61, a second magnet 62 and a second washer 63, the second magnet 62 and the second washer 63 are both mounted on the mounting seat 61, and the second washer 63 is connected to the top of the second magnet 62. Specifically, when the second magnet 62 is energized to drive the second washer 63, the second washer 63 has a magnetic conduction function, the second washer 63 drives the first diaphragm 4 to vibrate up and down, and the first diaphragm 4 vibrates to generate sound.

As shown in fig. 2, the periphery of the bottom of the mounting seat 61 of the present embodiment is provided with mounting holes 64, and the periphery of the bottom of the lower cover 2 is provided with connecting holes 25 matching with the mounting holes 64. Specifically, as an optimization, four mounting holes 64 and four connecting holes 25 are respectively provided, and the positions of the mounting holes 64 and the connecting holes 25 correspond to each other, so that an external mounting screw passes through the connecting holes 25 and then is fixedly connected with the mounting holes 64, the mounting base 61 is fixedly connected to the lower cover 2, and the connection stability is good.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides an adjustable coaxial loudspeaker which characterized in that: comprises an upper cover and a lower cover connected with the upper cover, a sound adjusting plate is arranged between the upper cover and the lower cover, a first vibrating diaphragm is arranged between the upper cover and the sound adjusting plate, the sound adjusting plate is provided with a plurality of sound adjusting holes which are arranged in a circular arc shape, the lower cover is provided with a sound guide channel formed around the central axis of the lower cover, the sound adjusting hole is arranged opposite to the sound guide channel, the middle part of the upper cover is provided with a first accommodating space and a first horn body accommodated in the first accommodating space, the middle part of the lower cover is provided with a second accommodating space and a second horn body accommodated in the second accommodating space, the middle part of the sound adjusting plate is provided with a through hole, the second horn body passes through the through hole and is arranged opposite to the first vibrating diaphragm, the first horn body and the second horn body are coaxially arranged, and the bottom of the lower cover is provided with a sound outlet hole and tuning paper attached to the sound outlet hole.

2. The adjustable coaxial horn of claim 1, wherein: the first vibrating diaphragm comprises an outer frame, an annular convex membrane connected to the front end face of the outer frame and a drum membrane fixed to the middle of the annular convex membrane, wherein the annular convex membrane is provided with a plurality of concave strips which are arranged in a fan-blade shape.

3. The adjustable coaxial horn of claim 1, wherein: first horn body is including the protecting cover, second vibrating diaphragm, first china department, first magnet and the T iron that connect gradually, the protecting cover is connected with the second vibrating diaphragm, the second vibrating diaphragm is connected in first china department, the outside of T iron is located to first magnet cover, first china department is connected in the top of first magnet.

4. The adjustable coaxial horn of claim 1, wherein: the second horn body comprises a mounting seat, a second magnet and a second washer, the second magnet and the second washer are both installed on the mounting seat, and the second washer is connected to the top of the second magnet.

5. The adjustable coaxial horn of claim 4, wherein: the bottom of mount pad all is provided with the mounting hole all around, the bottom of lower cover all is provided with the connecting hole that matches with the mounting hole all around.