CN205754845U

CN205754845U - Loudspeaker and be provided with the earphone of these loudspeaker

Info

Publication number: CN205754845U
Application number: CN201620630105.XU
Authority: CN
Inventors: 于丽杰; 赵燕鹏
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2016-06-23
Filing date: 2016-06-23
Publication date: 2016-11-30
Anticipated expiration: 2026-06-23

Abstract

This utility model provides a kind of loudspeaker and is provided with the earphone of these loudspeaker, loudspeaker therein include shell and be arranged on shell go out acoustic aperture；The position going out acoustic aperture in shell correspondence is provided with boss, and be sticked on boss the screen cloth corresponding with going out acoustic aperture；The height of boss is 0.2mm to 0.3mm.Utilize above-mentioned utility model, it is possible to avoid glue to overflow to screen cloth during loudspeaker point glue.

Description

Loudspeaker and earphone with same

Technical Field

The utility model relates to an acoustics technical field, more specifically relates to a loudspeaker and be provided with earphone of this loudspeaker.

Background

The loudspeaker is an electroacoustic device which converts an electric signal into a sound signal, the existing loudspeaker mainly comprises a magnet, a washer, a voice coil, a vibrating diaphragm and the like, the washer is attached to and fixed on the magnet and used for homogenizing the magnetic field lines of the magnet, the voice coil is of a hollow coil-shaped structure formed by winding, the voice coil is connected with the vibrating diaphragm, and after the voice coil is electrified, the magnetic induction lines can be cut to generate displacement change and drive the vibrating diaphragm to vibrate and make sound, so that the electric signal is converted into the sound signal.

At present, when the loudspeaker is assembled into the earphone, glue is needed to seal the periphery of the loudspeaker and the earphone shell, and fig. 1 and fig. 2 show a top view structure and a side view structure of the existing loudspeaker respectively.

As shown in fig. 1 and 2, the sound outlet holes 1 'are formed in the end face of the housing 3', the mesh 2 'is attached to the sound outlet holes 1', and if glue is not dispensed in place, glue is easily overflowed onto the mesh, so that acoustic performance of a horn is affected, and a product is poor.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model aims at providing a loudspeaker and be provided with earphone of this loudspeaker to when solving present loudspeaker and earphone fixed, lead to glue overflow to screen cloth easily, influence loudspeaker performance, the low scheduling problem of product percent of pass.

The utility model provides a loudspeaker, which comprises a shell and a sound outlet arranged on the shell; a boss is arranged at the position of the shell corresponding to the sound outlet hole, and screen cloth corresponding to the sound outlet hole is attached to the boss; the height of the boss is 0.2mm to 0.3 mm.

In addition, the preferred structure is that the horn is circular structure, and the boss is fan-shaped structure.

In addition, the preferred structure is that the vibration generator further comprises a vibration system and a magnetic circuit system which are arranged in the shell; the vibration system comprises a vibrating diaphragm and a voice coil attached to one side of the vibrating diaphragm; the magnetic circuit system comprises a magnetic conducting yoke, a magnet arranged at the center of the magnetic conducting yoke and a washer arranged on one side of the magnet far away from the magnetic conducting yoke.

In addition, it is preferable that a pad is provided on the case, and a lead of the voice coil extends to the pad and is electrically connected to the pad.

The utility model also provides an earphone, which comprises an earphone shell and a loudspeaker accommodated in the earphone shell, wherein the loudspeaker is as shown above; the loudspeaker is fixed in the earphone shell in an adhesive manner, and the sound outlet of the loudspeaker is arranged corresponding to the sound outlet of the earphone shell; the screen cloth is isolated from the glue for fixing the horn through the lug boss.

According to the technical scheme above, the utility model discloses a loudspeaker and be provided with the earphone of this loudspeaker, paste the position of establishing the screen cloth at loudspeaker shell and set up the boss that 0.2mm is high to 0.3mm, prevent the contact of glue and screen cloth through the boss, ensure loudspeaker acoustic performance stability, the product percent of pass is high.

Drawings

Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:

FIG. 1 is a top view of a conventional horn;

FIG. 2 is a side view of a prior art horn;

fig. 3 is a top view of a horn according to an embodiment of the present invention;

fig. 4 is a side view of a horn according to an embodiment of the present invention.

Wherein the reference numerals include: the sound outlet holes 1, 1 ', the mesh cloth 2, 2 ', the shell 3, 3 ' and the boss 4.

The same reference numbers in all figures indicate similar or corresponding features or functions.

Detailed Description

For describing the horn structure of the embodiments of the present invention in detail, the following description will be made in detail with reference to the accompanying drawings.

Fig. 3 and 4 show the horn structure according to an embodiment of the present invention from different angles, respectively.

As shown in fig. 3 and 4, the speaker of the embodiment of the present invention includes a housing 3 and a sound hole 1 formed in the housing 3, wherein a boss 4 is disposed at a position of the housing 3 corresponding to the sound hole 1, and a mesh 2 corresponding to the sound hole 1 is attached to the boss 4; wherein, the height of the boss 4 can be set to be 0.2mm to 0.3mm, and the glue can be prevented from overflowing laterally.

Specifically, the horn of the embodiment of the present invention has a circular structure, the boss 4 disposed on the housing 3 has a fan-shaped structure or a fan-shaped contour, and the horn further includes the housing 3 and a vibration system and a magnetic circuit system accommodated in the housing 3; the vibration system comprises a vibrating diaphragm, a voice coil fixed on one side of the vibrating diaphragm and a reinforcing part located at the center of the vibrating diaphragm, and the magnetic circuit system comprises a magnetic conductive yoke, a magnet located at the center of the magnetic conductive yoke and a washer located on one side of the magnet far away from the magnetic conductive yoke.

Wherein, the vibrating diaphragm includes the fixed part (being located the most peripheral of vibrating diaphragm) with 3 terminal surface fixed connection of shell, with the integrative concave/convex structure's of setting of fixed part book ring portion and set up at the inside plane portion (being located the most inside of vibrating diaphragm) of book ring portion, reinforcement portion (DOME) sets up the plane portion at the vibrating diaphragm, mainly used adjusts the acoustic performance of speaker, for reducing vibration system's total quality, usually at the position setting of vibrating diaphragm plane portion corresponding reinforcement portion and go the material, reinforcement portion then covers and should get the material position.

When the loudspeaker is a double-magnetic-circuit system, the magnetic circuit system further comprises a magnetic conduction yoke for fixing the magnet and correcting magnetic lines of force, a central magnet fixed at the central position of the magnetic conduction yoke in an adhering mode and a side magnet arranged around the central magnet, wherein a central washer is arranged on one side, away from the magnetic conduction yoke, of the central magnet in an adhering mode, and the side washer is arranged on the same side, away from the magnetic conduction yoke, of the side magnet; wherein, center magnet and center china department form an organic whole structure, and limit magnet and limit china department also form an organic whole structure, form the magnetic gap between the integrative structure that center magnet and center china department formed and the integrative structure that limit magnet and limit china department formed, and the voice coil loudspeaker voice coil hangs and establishes in this magnetic gap, and when the voice coil loudspeaker voice coil that is in magnetic field had audio current to flow through, can receive an alternating propulsion to produce alternating motion to drive the vibrating diaphragm vibrations, and then promote the air repeatedly and the sound production.

The utility model discloses an in another embodiment, still be provided with the pad on the shell of loudspeaker, the lead wire of voice coil loudspeaker voice coil is drawn forth and is extended to pad department from loudspeaker inside, and the lead wire of voice coil loudspeaker voice coil switches on with the pad, and when the pad passes through the earphone cord to be connected with external equipment, can realize switching on of external circuit in the loudspeaker.

The utility model also provides an earphone, which comprises an earphone shell and a loudspeaker accommodated in the earphone shell, wherein the loudspeaker is as above; wherein, loudspeaker pass through sticky fixation in the earphone casing, the sound hole of loudspeaker and the corresponding setting in sound hole of earphone casing, and the screen cloth on the loudspeaker passes through the boss and keeps apart with the glue of fixed loudspeaker, prevents that glue side from overflowing to the screen cloth, influences the acoustic performance of loudspeaker.

Specifically, the earphone shell comprises a front shell and a rear shell which are connected in an adaptive manner, the loudspeaker is accommodated in a cavity formed by the front shell and the rear shell and divides the cavity into a front sound cavity and a rear sound cavity, and the front sound cavity is communicated with the outside through the earphone sound outlet; in addition, the earphone of the utility model also comprises an in-ear rubber sleeve and an earphone cord; the ear-in rubber sleeve is sleeved on the sound output tube of the front shell of the earphone, can be made of materials such as silica gel or high-elasticity polyester and can be in close contact with the auditory meatus after being inserted into the auditory meatus so as to isolate sound from entering the middle ear and the inner ear, and thus the sound insulation purpose is achieved. One end of the earphone cord is connected with the loudspeaker, and the other end of the earphone cord is provided with an earphone plug and is matched with an external portable electronic product for use.

Can find out through above-mentioned embodiment, the utility model provides a loudspeaker and be provided with the earphone of this loudspeaker through setting up the boss that corresponds with the screen cloth shape, prevent that the glue of fixed loudspeaker from overflowing to the screen cloth in to ensure that earphone acoustic performance is stable, the product percent of pass is high.

The speaker and the earphone provided with the speaker according to the present invention have been described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the speaker and the earphone provided with the speaker of the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.

Claims

1. A loudspeaker comprises a shell and a sound outlet arranged on the shell; it is characterized in that the preparation method is characterized in that,

a boss is arranged at the position of the shell corresponding to the sound outlet hole, and a mesh cloth corresponding to the sound outlet hole is attached to the boss;

the height of the boss is 0.2mm to 0.3 mm.

2. The horn of claim 1,

the loudspeaker is of a circular structure, and the boss is of a fan-shaped structure.

3. The horn of claim 1, further comprising a vibration system and a magnetic circuit system disposed within the enclosure; wherein,

the vibration system comprises a vibrating diaphragm and a voice coil attached to one side of the vibrating diaphragm;

the magnetic circuit system comprises a magnetic yoke, a magnet arranged at the center of the magnetic yoke, and a washer arranged on one side of the magnet far away from the magnetic yoke.

4. The horn of claim 3,

and a bonding pad is arranged on the shell, and a lead of the voice coil extends to the bonding pad and is communicated with the bonding pad.

5. An earphone comprising an earphone housing and a speaker housed in the earphone housing, the speaker being as claimed in any one of claims 1 to 4; wherein,

the loudspeaker is fixed in the earphone shell in an adhesive mode, and the sound outlet of the loudspeaker is arranged corresponding to the sound outlet of the earphone shell;

The screen cloth is isolated from the glue for fixing the horn through the boss.