CN202261781U - Improved loudspeaker and its dust cover structure - Google Patents

Abstract

The utility model discloses an improved loudspeaker, which comprises a base, a vibrating disk, a voice coil, an elastic wave and a dustproof cover, wherein the top periphery of the vibrating disk is fixedly connected with the top periphery of the base and encloses to form an accommodating cavity, and the voice coil and the elastic wave are arranged in the accommodating cavity; the dustproof cover is arranged on the vibration disk and is positioned right above the voice coil, the dustproof cover comprises a main body part and an elastic connecting ring which is expanded and extended outwards from the periphery of the main body part, and the outer edge of the elastic connecting ring is attached and bonded with the vibration disk; by this, outwards expand through the circumference on the main part in the shield and extend the elastic connection ring, utilize this elastic connection ring's outward flange and vibration dish laminating bonding together for the shield possesses elasticity, and when vibration dish vibrated, this shield was elastic vibration along with the vibration dish, can not hinder the normal vibration of vibration dish, thereby made the accent of speaker effectual, pronunciation more stable, had better auditory effect.

Description

Improved loudspeaker and its dust cover structure

technical field

The utility model relates to the technology in the field of loudspeakers, in particular to an improved loudspeaker and its dustproof cover structure.

Background technique

Loudspeaker (also known as horn) is the weakest part in audio equipment, and it is the most important part for sound effect. There are many types of speakers, and their prices vary widely. Audio electrical energy, through electromagnetic, piezoelectric or electrostatic effects, causes its cone or diaphragm to vibrate and resonate (resonate) with the surrounding air to produce sound.

Existing loudspeaker includes elements such as base, vibrating plate, dustproof cover, voice coil, elastic wave, magnet, washer, and this vibrating plate is fixedly connected with the base and encloses to form accommodating cavity, and this voice coil, elastic Components such as waves, magnets and washers are installed in the accommodating chamber, and the dust cover is set on the vibrating plate and located directly above the voice coil. The dust cover can prevent impurities such as dust from entering the accommodating chamber to correct the sound. The normal operation of components such as coils, springs, magnets and washers is affected.

However, the dust-proof covers of the above-mentioned existing loudspeakers lack the necessary elasticity. When these dust-proof covers are installed on the vibrating plate, they will hinder the normal vibration of the vibrating plate, making the accent effect poor and the pronunciation unstable, thereby making the sound of the loudspeaker The hearing effect is not good enough, and people need to do further innovation and improvement to produce a loudspeaker with good hearing effect.

Utility model content

In view of this, the utility model aims at the deficiencies of the prior art, and its main purpose is to provide an improved loudspeaker and its dustproof cover structure, which can effectively solve the problems of poor accent effect and unstable pronunciation of the existing loudspeaker.

In order to achieve the above object, the utility model adopts the following technical solutions:

An improved loudspeaker structure includes a base, a vibrating plate, a voice coil, an elastic wave and a dustproof cover. The ring and the elastic wave are arranged in the accommodating cavity; the dustproof cover is arranged on the vibrating plate and is located directly above the voice coil, and the dustproof cover includes a main body and an elastic body extending outwardly from the periphery of the main body. The connecting ring, the outer edge of the elastic connecting ring is bonded with the vibrating plate.

As a preferred solution, the elastic connecting ring includes an arched portion and a bonding portion, the bonding portion obliquely extends upward from the outer edge of the arched portion, and the bonding portion is connected to the surface of the vibrating plate by glue Bonded together.

As a preferred solution, an air hole is provided on the main body, and the air hole communicates with the aforesaid accommodating cavity.

As a preferred solution, the vibrating plate is connected and fixed to the base through the suspension edge.

As a preferred solution, it further includes a terminal board, the terminal board is arranged at the bottom of the base, and the terminal board is electrically connected to the voice coil through wires.

As a preferred solution, a magnet is further included, and a first positioning ring protrudes correspondingly from the bottom surface of the accommodating cavity of the base, and the lower end of the magnet is positioned through the first positioning ring.

As a preferred solution, a second positioning ring extends downward from the bottom of the dust-proof cover, and the upper end of the magnet is positioned through the second positioning ring.

A dust-proof cover structure for a loudspeaker, comprising a main body and an elastic connecting ring for bonding with a vibrating plate of the loudspeaker, and the elastic connecting ring expands outward from the periphery of the main body and extends integrally.

As a preferred solution, the elastic connecting ring includes an arched portion and an adhesive portion, and the adhesive portion obliquely extends upward from the outer edge of the arched portion.

As a preferred solution, the main body is provided with air holes.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

1. By expanding and extending the elastic connecting ring outward on the upper circumference of the main body of the dust cover, the outer edge of the elastic connecting ring is bonded to the vibrating plate, so that the dust cover has elasticity and vibrates on the vibrating plate At the same time, the elastic connecting ring of the dust cover elastically vibrates with the vibrating plate, which will not hinder the normal vibration of the vibrating plate, so that the loudspeaker has a good stress effect, more stable pronunciation and better hearing effect.

2. By designing the elastic connecting ring as an arched portion and an adhesive portion, the adhesive portion is used to obliquely extend upwards from the outer edge of the arched portion, the structure and process are simple, and the assembly is also very convenient, which is beneficial to improve Production assembly efficiency.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the assembly perspective view of the preferred embodiment of the present utility model;

Fig. 2 is the exploded view of the preferred embodiment of the utility model;

Fig. 3 is the enlarged schematic view of dust cover in the preferred embodiment of the present utility model;

Fig. 4 is a cross-sectional view of a preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Base 11. Concave

12. The first positioning ring 101. Accommodating cavity

20. Vibration plate 30. Voice coil

40. Embrace 50. Dust cover

51. Main body 52. Elastic connecting ring

521. Arched part 522. Adhesive part

53. Second positioning ring 501. Air hole

60. Suspension edge 70. Terminal board

80. Wire 90. Magnet.

Detailed ways

Please refer to FIGS. 1 to 4 , which show the specific structure of a preferred embodiment of the present invention, including a base 10 , a vibrating plate 20 , a voice coil 30 , an elastic wave 40 and a dustproof cover 50 .

Wherein, the base 10 has a cavity 11 . The vibrating plate 20 is in the shape of a trumpet whose bottom faces upwards and tapers outward. The vibrating plate 20 is located in the concave cavity 11. The top peripheral edge of the vibrating plate 20 is connected and fixed with the top peripheral edge of the base 10 and surrounds it to form an accommodating Cavity 101, as shown in Figure 4, the vibration plate 20 is connected and fixed with the base 10 through a suspension edge 60, the middle part of the suspension edge 60 is concave, the inner ring of the suspension edge 60 and the outer ring of the vibration plate 20 The ring is fitted, connected and fixed, and the outer ring of the suspension edge 60 is fitted and connected with the top peripheral edge of the base 10 .

The voice coil 30 is a hollow voice coil. Both the voice coil 30 and the elastic wave 40 are disposed in the accommodating cavity 101 , and the inner ring of the elastic wave is placed outside the voice coil 30 .

The dustproof cover 50 is arranged on the vibrating plate 20 and is located directly above the aforementioned voice coil 30. The dustproof cover 50 is used to protect each component in the accommodating cavity 101 and prevent the various components in the accommodating cavity 101 from being contaminated with dust. and other impurities, affecting the normal operation of each component. The dust-proof cover 50 includes a main body 51 and an elastic connecting ring 52. The main body 51 is provided with an air hole 501, and the air hole 501 is used for airflow in and out, so that the vibrating plate 20 can balance the gap between the accommodating cavity 101 and the outside world when vibrating. air pressure in between. The elastic connecting ring 52 expands and extends outward from the periphery of the main body 51 , the elastic connecting ring 52 includes an arched portion 521 and an adhesive portion 522 , the inner edge of the arched portion 521 is integrated with the outer edge of the main body 51 connected, the arched portion 521 has an arc-shaped arched structure, and the bonding portion 522 protrudes obliquely upward from the outer edge of the arched portion 521. Connect together.

And, it further includes a terminal board 70 , the terminal board 70 is arranged at the bottom of the base 10 , and the terminal board 70 is electrically connected to the aforementioned voice coil 30 through the wire 80 .

In addition, a magnet 90 is further included, and a first positioning ring 12 protrudes from the bottom surface of the corresponding housing cavity 101 of the base 10, the lower end of the magnet 90 is positioned by the first positioning ring 12, and the aforementioned dust cover A second positioning ring 53 extends downward from the bottom surface of the magnet 90 , and the upper end of the magnet 90 is positioned through the second positioning ring 53 .

The assembly process of this embodiment is described in detail as follows:

During assembly, as shown in Figure 2, at first, the voice coil 30, the elastic wave 40 and the magnet 90 are placed in the concave cavity 11 of the base 10, the terminal board 70 is fixed on the bottom of the base 10, and the wire 80 is used to make the The terminal board 70 is connected to the voice coil 30; then, the top peripheral edge of the vibrating plate 20 is connected and fixed to the top peripheral edge of the base 10 using the suspension edge 60; then, the dust cover 50 is placed directly above the voice coil 30, and the The adhesive part 522 of the dust-proof cover 50 is attached to the outer surface of the vibrating plate 20, and the adhesive part 522 is bonded and fixed to the outer surface of the vibrating plate 20 by glue, so that the dust-proof cover 50 is fixed on the vibrating plate 20 , the assembly is complete (as shown in Figure 4).

During use, due to the effect of the elastic connecting ring 52 , when the vibrating plate 20 vibrates, the elastic connecting ring 52 of the dust cover 50 elastically vibrates synchronously with the vibrating plate 20 , without hindering the vibration of the vibrating plate 20 .

The key points of the design of this utility model are: firstly, the outer edge of the elastic connecting ring is bonded with the vibrating plate by expanding and extending the elastic connecting ring around the main body of the dust-proof cover, so that the dust-proof The cover is elastic. When the vibrating plate vibrates, the elastic connecting ring of the dustproof cover elastically vibrates with the vibrating plate, which will not hinder the normal vibration of the vibrating plate, so that the loudspeaker has a good accent effect, more stable pronunciation, and better sound quality. auditory effect. Secondly, by designing the elastic connecting ring as an arched portion and an adhesive portion, the adhesive portion is used to obliquely extend upwards from the outer edge of the arched portion, the structure and process are simple, and the assembly is also very convenient, which is beneficial to improve the Production assembly efficiency.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (10)

1. the loud speaker of an improvement includes pedestal, vibrating disk, voice coil loudspeaker voice coil, bullet ripple and dust cap, and the top periphery of this vibrating disk is connected fixing and surrounds and is formed with containing cavity with the top periphery of pedestal, this voice coil loudspeaker voice coil with play ripple and be arranged in this containing cavity; This dust cap be arranged on the vibrating disk and be positioned at voice coil loudspeaker voice coil directly over, it is characterized in that: this dust cap includes main part and outwards enlarges extended elasticity connecting ring in this main part periphery, the outward flange of this elasticity connecting ring is with the vibrating disk bonding of fitting.

2. the loud speaker of improvement according to claim 1; It is characterized in that: said elasticity connecting ring includes the portion of arching upward and adhesive portion; This adhesive portion is extended in the outward flange perk obliquely of the portion of arching upward, and this adhesive portion is fitted through the surface of glue and vibrating disk and is bonded.

3. the loud speaker of improvement according to claim 1, it is characterized in that: said main part is provided with pore, and this pore is communicated with aforementioned containing cavity.

4. the loud speaker of improvement according to claim 1 is characterized in that: said vibrating disk is connected with pedestal through the suspention limit to be fixed.

5. the loud speaker of improvement according to claim 1, it is characterized in that: further include terminal board, this terminal board is arranged at the bottom of pedestal, and this terminal board is electrically connected with voice coil loudspeaker voice coil through lead.

6. the loud speaker of improvement according to claim 1 is characterized in that: further include magnet, the containing cavity inner bottom surface of this corresponding pedestal has protruded out first locating ring, and the lower end of this magnet is through this first locating ring location.

7. the loud speaker of improvement according to claim 6, it is characterized in that: extend downwards the bottom surface of said dust cap has second locating ring, and the upper end of this magnet is through this second locating ring location.

8. the dustproof cover structure of a loud speaker is characterized in that: include main part and be used for the elasticity connecting ring bonding with the vibrating disk of loud speaker, this elasticity connecting ring outwards enlarges one in the main part periphery and extends.

9. the dustproof cover structure of loud speaker according to claim 8, it is characterized in that: said elasticity connecting ring includes the portion of arching upward and adhesive portion, and this adhesive portion is extended in the outward flange perk obliquely of the portion of arching upward.

10. the dustproof cover structure of loud speaker according to claim 9, it is characterized in that: said main part is provided with pore.

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