CN220528196U

CN220528196U - Earphone loudspeaker

Info

Publication number: CN220528196U
Application number: CN202320772988.8U
Authority: CN
Inventors: 张富涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2024-02-23
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses an earphone loudspeaker, which relates to the technical field of loudspeaker equipment and comprises a tuning net, a PCB (printed circuit board), a magnetizer, a vibrator and a shell, wherein a containing cavity is formed in the shell, the magnetizer and the vibrator are both positioned in the containing cavity, one end of the vibrator is connected with the shell, the other end of the vibrator is connected with the magnetizer, the magnetizer comprises U-shaped iron and a magnet, the lower end of the U-shaped iron is provided with a mounting cavity, one end of the magnet is positioned in the mounting cavity, the other end of the magnet is connected with the vibrator, the lower surface of the PCB is connected with the upper surface of the U-shaped iron, a through groove is formed in the PCB, the tuning net is positioned in the through groove, and the lower surface of the tuning net is connected with the upper surface of the U-shaped iron. The earphone loudspeaker has the advantages of reduced parts, simple structure, low manufacturing cost, good use effect and the like.

Description

Earphone loudspeaker

Technical Field

The utility model relates to the technical field of loudspeaker equipment, in particular to an earphone loudspeaker.

Background

With the increase of personal and household electronic products, listening to audio becomes a way for people to relax the mood of the people at work leisure, and relieving pressure to release the mood of the people at work and enjoy life, meanwhile, with the continuous pursuit of people for high-quality life, the higher the requirements of people for the sound quality of the earphone are, and the higher the requirements for the earphone are. The loudspeaker is also called a loudspeaker, which is a transducer device for converting an electric signal into an acoustic signal, and the performance of the loudspeaker has a great influence on sound quality, and the loudspeaker is the weakest device in sound equipment, and is the most important component for sound effects, such as the loudspeaker in a headset.

At present, traditional earphone loudspeaker generally comprises shell, PCB board, iron sheet, washer, magnet, voice coil loudspeaker voice coil, diaphragm etc. and used magnet is annular thick magnet, and occupation volume is great, adopts iron sheet, washer and magnet's combination to make the component parts more to because annular thick magnet volume is great, its corresponding required cost is also great for earphone loudspeaker's whole cost of manufacture is higher.

Disclosure of Invention

The utility model aims to provide an earphone loudspeaker which aims at solving the technical problems and has the advantages of reduced parts, simple structure, low manufacturing cost, good use effect and the like.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

the utility model provides an earphone loudspeaker, includes tuning net, PCB board, magnetizer, vibrator and shell, be equipped with in the shell and hold the chamber, magnetizer and vibrator all are located and hold the intracavity, the one end and the shell of vibrator are connected, and its other end is connected with the magnetizer, the magnetizer is including U iron and magnet, the lower extreme of U iron is equipped with the installation cavity, the one end of magnet is located the installation cavity, and its other end is connected with the vibrator, the lower surface of PCB board is connected with the upper surface of U iron, the logical groove has been seted up on the PCB board, the tuning net is located logical inslot, just the lower surface of tuning net is connected with the upper surface of U iron.

Further, the vibrator is including voice coil loudspeaker voice coil and sound membrane, the lower surface of sound membrane is equipped with sound membrane installation department, sound membrane installation department is connected with the shell, the upper surface of sound membrane is equipped with first junction and second junction, first junction and second junction are circular form, first junction is located the border position of sound membrane, the lower surface and the first junction of U iron are connected, the second junction is located the middle part position of sound membrane, the lower surface and the second junction of magnet are connected, be equipped with the mounting groove of inwards sunken between first junction and the second junction, the lower terminal surface of voice coil loudspeaker voice coil is installed in the mounting groove, the upper end of voice coil loudspeaker voice coil is located the installation intracavity of U iron.

Further, still be equipped with sound membrane connecting portion and inside sunken kerve in the shell, sound membrane connecting portion are connected with sound membrane installation department, the shell passes through sound membrane connecting portion and is connected with sound membrane, kerve and hold the chamber intercommunication, the bottom of shell is equipped with shell connecting portion, set up the kerve on the shell connecting portion, kerve and kerve intercommunication.

Further, the U iron is barrel-shaped, a connecting surface is arranged in the U iron and positioned at the top of the mounting cavity, and the upper surface of the magnet is connected with the connecting surface. The U-shaped iron plays a role in magnetic conduction in a magnetic circuit.

Further, the U-shaped iron is also provided with an eccentric hole, one end of the eccentric hole is communicated with the mounting cavity, and the other end of the eccentric hole is communicated with a through groove of the PCB.

Further, the tuning net is located above the through hole, and the diameter of the tuning net is smaller than that of the through groove.

Further, the magnet is in a cylindrical shape, and the diameter of the magnet is smaller than that of the voice coil.

Further, the shape of the voice coil is circular, and the diameter of the voice coil is smaller than that of the U-shaped iron.

Further, the voice coil is made of any one of copper-clad aluminum voice coil wire material, copper wire material and aluminum wire material.

Further, the housing is made of a copper material.

The earphone loudspeaker has the following beneficial effects:

1. the earphone loudspeaker mainly comprises a tuning net, a PCB board, U-shaped iron, a magnet, a voice coil, a sound membrane and a shell, and has fewer components and simple structure, thereby being beneficial to popularization;

2. the earphone horn is connected in series with the shell through the tuning net, the PCB, the U iron, the magnet, the voice coil, the sound membrane and the shell, and the space design is reasonable so as to reduce the occupied space of parts;

3. the earphone horn saves the manufacturing cost, the U-shaped iron is barrel-shaped, the magnet is cylindrical, the lower end of the U-shaped iron is provided with the mounting cavity, the magnet is positioned in the mounting cavity, and compared with the traditional earphone horn which adopts the combination of the iron sheet, the washer and the annular thick magnet through the matching design between the U-shaped iron and the magnet, the earphone horn has the advantages of reducing parts, saving the manufacturing cost, facilitating the production and manufacturing of enterprises and the like.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an earphone speaker of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is another visual schematic of FIG. 2;

fig. 4 is a schematic view of the structure of the housing shown in fig. 1.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the workpiece of the present utility model will be described in further detail with reference to the examples and the accompanying drawings.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, an earphone speaker, including tuning net 1, PCB board 2, magnetizer, vibrator and shell 3, be equipped with in the shell 3 and hold chamber 4, magnetizer and vibrator all are located and hold intracavity 4, the one end and the shell 3 of vibrator are connected, and its other end is connected with the magnetizer, the magnetizer is including U iron 5 and magnet 6, the lower extreme of U iron 5 is equipped with installs chamber 7, the one end of magnet 6 is located installs chamber 7, and its other end is connected with the vibrator, the lower surface of PCB board 2 is connected with the upper surface of U iron 5, through groove 8 has been seted up on the PCB board 2, tuning net 1 is located through groove 8, just the lower surface of tuning net 1 is connected with the upper surface of U iron 5. The tuning net 1 is used for adjusting the acoustic performance of the loudspeaker. The embodiment also comprises a fixing adhesive, wherein one end of the fixing adhesive is connected with the PCB 2, and the other end of the fixing adhesive is folded back to be connected with the shell 3, so that the stability of the utility model is further fixed.

As shown in fig. 2 and 3, the vibrator includes a voice coil 9 and a sound membrane, a sound membrane mounting portion 11 is provided on a lower surface of the sound membrane, the sound membrane mounting portion 11 is connected with the housing 3, a first connecting portion 12 and a second connecting portion 13 are provided on an upper surface of the sound membrane, the first connecting portion 12 and the second connecting portion 13 are all in a circular shape, the first connecting portion 12 is located at an edge position of the sound membrane, a lower surface of the U-shaped iron 5 is connected with the first connecting portion 12, the second connecting portion 13 is located at a middle position of the sound membrane, a lower surface of the magnet 6 is connected with the second connecting portion 13, an inwardly concave mounting groove 14 is provided between the first connecting portion 12 and the second connecting portion 13, a lower end face of the voice coil 9 is mounted in the mounting groove 14, and an upper end of the voice coil 9 is located in the mounting cavity 7 of the U-shaped iron 5. The voice coil 9 of this embodiment is further provided with a voice coil lead wound on the voice coil 9, and one end of the voice coil lead is connected with the PCB 2. The sound membrane mounting portion 11 and the first connecting portion 12 of this embodiment are made of copper material, and have fine and smooth sound quality, and thus the effect of heavy bass is enhanced.

As shown in fig. 3 and 4, the inside of the housing 3 is further provided with a sound membrane connecting portion 15 and an inwardly concave bottom groove 16, the sound membrane connecting portion 15 is connected with the sound membrane mounting portion 11, the housing 3 is connected with the sound membrane through the sound membrane connecting portion 15, the bottom groove 16 is communicated with the accommodating cavity 4, the bottom of the housing 3 is provided with a housing connecting portion 17, the housing connecting portion 17 is provided with a bottom hole 18, and the bottom hole 18 is communicated with the bottom groove 16.

As shown in fig. 1 to 3, the U-shaped iron 5 is barrel-shaped, a connecting surface is arranged in the U-shaped iron 5, the connecting surface is positioned at the top of the mounting cavity 7, and the upper surface of the magnet 6 is connected with the connecting surface. The U-shaped iron 5 is also provided with an eccentric hole 19, one end of the eccentric hole 19 is communicated with the mounting cavity 7, and the other end of the eccentric hole 19 is communicated with the through groove 8 of the PCB 2. The eccentric holes 19 are beneficial to the smooth circulation of the whole air flow and improve the tone quality.

As shown in fig. 1 to 3, the tuning net 1 is located above the through hole, and the diameter of the tuning net 1 is smaller than the diameter of the through groove 8. The magnet 6 is in a cylindrical shape, and the diameter of the magnet 6 is smaller than that of the voice coil 9. The shape of the voice coil 9 is circular, and the diameter of the voice coil 9 is smaller than that of the U-shaped iron 5. The voice coil 9 is made of any one of a copper-clad aluminum voice coil 9 wire material, a copper wire material and an aluminum wire material. The voice coil 9 of this embodiment is made of copper-clad aluminum voice coil 9 wire material, and copper-clad aluminum medium-low frequency has the characteristics of thickness and fineness of copper wires and good low-high frequency characteristics of aluminum wires, and the sound is clear and transparent. The housing 3 is made of copper material.

As shown in fig. 1 to 4, the working principle of the present utility model is as follows:

after the voice coil 9 is conductive, a corresponding magnetic field is generated in the voice coil 9, and the magnetic field generated by the magnet 6 generate interaction force, so that the voice coil 9 vibrates in the loudspeaker magnetic field along with the intensity of the audio current, and meanwhile, the sound membrane is driven to vibrate to push surrounding air to vibrate, so that sound is generated.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art should appreciate that many modifications, adaptations, and variations of the present utility model can be made without departing from the scope of the present utility model as set forth in the above-described aspects; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. An earphone speaker, characterized in that: including tuning net, PCB board, magnetizer, vibrator and shell, be equipped with in the shell and hold the chamber, magnetizer and vibrator all are located and hold the intracavity, the one end and the shell of vibrator are connected, and its other end is connected with the magnetizer, the magnetizer is including U iron and magnet, the lower extreme of U iron is equipped with the installation cavity, the one end of magnet is located the installation cavity, and its other end is connected with the vibrator, the lower surface of PCB board is connected with the upper surface of U iron, the logical groove has been seted up on the PCB board, the tuning net is located logical inslot, just the lower surface of tuning net is connected with the upper surface of U iron.

2. The earphone speaker of claim 1, wherein: the vibrating body comprises a voice coil and a voice diaphragm, wherein a voice diaphragm installation part is arranged on the lower surface of the voice diaphragm, the voice diaphragm installation part is connected with a shell, a first connecting part and a second connecting part are arranged on the upper surface of the voice diaphragm, the first connecting part and the second connecting part are all circular, the first connecting part is located at the edge position of the voice diaphragm, the lower surface of the U-shaped iron is connected with the first connecting part, the second connecting part is located at the middle position of the voice diaphragm, the lower surface of the magnet is connected with the second connecting part, an inwards-sunken installation groove is formed between the first connecting part and the second connecting part, the lower end face of the voice coil is installed in the installation groove, and the upper end of the voice coil is located in the installation cavity of the U-shaped iron.

3. The earphone speaker of claim 2, wherein: still be equipped with sound membrane connecting portion and inside sunken kerve in the shell, sound membrane connecting portion are connected with sound membrane installation department, the shell passes through sound membrane connecting portion and is connected with sound membrane, kerve and hold the chamber intercommunication, the bottom of shell is equipped with shell connecting portion, set up the hole in the shell connecting portion, hole and kerve intercommunication.

4. A headset horn according to claim 3, characterized in that: the U iron is barrel-shaped, a connecting surface is arranged in the U iron and positioned at the top of the mounting cavity, and the upper surface of the magnet is connected with the connecting surface.

5. The earpiece horn of claim 4, wherein: and the U-shaped iron is also provided with an eccentric hole, one end of the eccentric hole is communicated with the mounting cavity, and the other end of the eccentric hole is communicated with a through groove of the PCB.

6. The earpiece horn of claim 5, wherein: the tuning net is located above the through hole, and the diameter of the tuning net is smaller than the diameter of the through groove.

7. The earpiece horn of claim 6, wherein: the magnet is cylindrical, and the diameter of the magnet is smaller than that of the voice coil.

8. The earpiece horn of claim 7, wherein: the shape of voice coil loudspeaker voice coil is the circle, the diameter of voice coil loudspeaker voice coil is less than the diameter of U iron.

9. The earpiece horn of claim 8, wherein: the voice coil is made of any one of copper-clad aluminum voice coil materials, copper wire materials and aluminum wire materials.

10. The earphone speaker of claim 9, wherein: the housing is made of copper material.