CN217283371U

CN217283371U - Loudspeaker and electronic product with fixed vibrating diaphragm center

Info

Publication number: CN217283371U
Application number: CN202221038790.9U
Authority: CN
Inventors: 陈火炬; 何泽明; 万领; 郑佳祥
Original assignee: Xiamen Tuness Electronic Co ltd
Current assignee: Xiamen Tuness Electronic Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-23
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to a fixed speaker and electronic product that set up in vibrating diaphragm center, include: a housing; the magnetic circuit system is arranged at the central position of the shell; the outer ring of the vibrating diaphragm is suspended on the upper end face of the shell, the middle part of the vibrating diaphragm is arranged towards the magnetic circuit system in a concave mode, and the center of the vibrating diaphragm is fixedly arranged on the upper end face of the magnetic circuit system. The utility model discloses a vibrating diaphragm center is fixed to the direction of motion that can restrict the vibrating diaphragm is the Z axle, prevents to produce the polarization of other directions, and then improves the sound production effect of speaker.

Description

Loudspeaker and electronic product with fixed vibrating diaphragm center

Technical Field

The utility model relates to a speaker field specifically indicates speaker and electronic product that has a fixed setting in vibrating diaphragm center.

Background

A speaker is a device that converts an electrical signal into vibration to generate sound, and is one of common components in electronic products.

The loudspeaker comprises a diaphragm, and the diaphragm only vibrates up and down in the Z-axis direction, which is an ideal working mode of the diaphragm. However, in the actual sound production process, the diaphragm may also have polarization in other directions, thereby affecting the sound production effect.

The problem to foretell prior art exists designs speaker and electronic product that a vibrating diaphragm center was fixed to be set up is the utility model discloses the purpose of research.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a loudspeaker and electronic product of the fixed setting in vibrating diaphragm center can effectively solve the problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

a loudspeaker with a diaphragm whose center is fixedly arranged comprises:

a housing;

the magnetic circuit system is arranged at the central position of the shell;

the outer ring of the vibrating diaphragm is suspended on the upper end face of the shell, the middle part of the vibrating diaphragm is arranged towards the magnetic circuit system in a concave mode, and the center of the vibrating diaphragm is fixedly arranged on the upper end face of the magnetic circuit system.

Further, the vibrating diaphragm is provided with a buffering part, and the buffering part is arranged towards the magnetic circuit system in a concave mode.

Further, the cross section of the buffer part is one of a wavy shape, a broken line shape and an arc shape.

Further, the diaphragm is provided with an arch part on the outer circle thereof, and the arch part and the buffer part are connected through a first parallel part.

Further, the vibration isolator comprises a dome, and the dome is covered at the center of the vibrating diaphragm through the first parallel part.

Further, a voice coil is included, the voice coil is fixedly arranged on the first parallel portion, and the voice coil is located at the periphery of the magnetic circuit system.

Furthermore, a second parallel portion is disposed at a central position of the diaphragm, the second parallel portion is connected to a lower end of the buffer portion, and the diaphragm is fixedly connected to the magnetic circuit system through the second parallel portion.

Further, the diaphragm is provided with a communication hole at a central position thereof, and the diaphragm is adhered to the upper end surface of the magnetic circuit system through the communication hole.

An electronic product comprises the loudspeaker fixedly arranged at the center of the vibrating diaphragm.

The utility model has the advantages that:

the utility model discloses a vibrating diaphragm center is fixed to the direction of motion that can restrict the vibrating diaphragm is the Z axle, prevents to produce the polarization of other directions, and then improves the sound production effect of speaker.

This application is provided with buffering portion, and buffering portion can be compressed, extend to provide the structure basis of vibrating diaphragm deformation.

This application is provided with the intercommunicating pore, the intercommunicating pore glue extremely magnetic circuit's up end, in the equipment process of speaker, earlier put the central point of vibrating diaphragm or the central point of second parallel portion puts and presses magnetic circuit's up end, then the point is glued, thereby glues through the intercommunicating pore and stretch to magnetic circuit's up end with the central point of vibrating diaphragm put together with the magnetic circuit rigid coupling.

Drawings

Fig. 1 is a schematic structural diagram of a speaker according to a first embodiment.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is an exploded schematic view of a speaker according to an embodiment.

Fig. 4 is a schematic view of a buffer structure according to a second embodiment.

Fig. 5 is a schematic structural view of a buffer portion according to a third embodiment.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

example one

Referring to fig. 1 to 3, a speaker with a diaphragm centrally fixedly disposed includes:

a housing 1; in this embodiment, the housing 1 is circular and has a center recessed downward to form a groove, but may have a square structure in other embodiments.

A magnetic circuit system 2 provided at a central position of the case 1; the magnetic circuit system 2 of the present embodiment is fixedly connected to the center of the casing 1 for generating magnetic lines and cooperating with the voice coil to generate magnetic force. The magnetic circuit system 2 of the present embodiment may be formed by stacking iron sheets and magnetic cores.

The outer ring of the vibrating diaphragm 3 is suspended on the upper end face of the shell 1, the middle part of the vibrating diaphragm 3 is arranged towards the magnetic circuit system 2 in a concave manner, and the center of the vibrating diaphragm 3 is fixedly arranged on the upper end face of the magnetic circuit system 2.

In this embodiment, the structure of the diaphragm 3 and the connection manner thereof are core technical features. The diaphragm 3 is shaped to fit the upper end surface of the housing 1, and in this embodiment, is circular, and in other embodiments, may have other shapes. In this embodiment, the outer ring structure of the diaphragm 3 is not limited, the inner ring portion of the diaphragm 3 is recessed toward the upper end surface of the magnetic circuit system 2, and the center position of the diaphragm 3 is fixedly connected to the upper end surface of the magnetic circuit system 2. Under such structure basis, the outer lane and the central point of vibrating diaphragm 3 put fixedly, produce deformation and produce the vibration under the drive of voice coil loudspeaker voice coil between the center of vibrating diaphragm 3 and the outer lane to sound. The beneficial effect of such structure is that, the outer lane and the central point of vibrating diaphragm 3 put fixedly, and vibrating diaphragm 3 can only vibrate from top to bottom along Z axle direction, and is difficult to appear the vibration of other directions, and then improves sound production effect.

Further, the diaphragm 3 is provided with a buffer portion 301, and the buffer portion 301 is recessed toward the magnetic circuit system 2. The embodiment is provided with the buffer part 301, and the buffer part 301 plays a role in providing deformation of the diaphragm 3 in the up-and-down vibration process of the diaphragm 3, and the buffer part 301 can be compressed and extended, so as to provide a structural basis for deformation of the diaphragm 3.

Further, the cross section of the buffer portion 301 is wavy. In this embodiment, the buffer portion 301 may be compressed and extended by the wave shape, so as to provide a structural basis for the deformation of the diaphragm 3.

Further, the diaphragm 3 is provided with an arch portion 302 at an outer periphery thereof, and the arch portion 302 and the buffer portion 301 are connected by a first parallel portion 303.

Further, a dome 4 is included, and the dome 4 is covered on the center of the diaphragm 3 through the first parallel portion 303. In this embodiment, the dome 4 is disposed on the side surfaces of the first parallel portion 303 and the buffer portion 301, and is parallel to the first parallel portion 303.

Further, a voice coil 5 is included, the voice coil 5 is fixedly disposed on the first parallel portion 303, and the voice coil 5 is located at the periphery of the magnetic circuit system 2. In this embodiment, the voice coil 5 is disposed on the lower end surface of the first parallel portion 303, and meanwhile, the voice coil 5 is disposed in the gap between the magnetic circuit system 2 and the housing 1 so as to be located on the periphery of the magnetic circuit system 2, and the voice coil 5 can drive the diaphragm 3 to move in the Z-axis direction on the periphery of the magnetic circuit system 2. Under the positioning action of the buffer part 301, the voice coil 5 can only drive the diaphragm 3 to move in the Z-axis direction, and is difficult to polarize towards other directions.

Further, a second parallel portion 304 is disposed at a central position of the diaphragm 3, the second parallel portion 304 is connected to a lower end of the buffer portion 301, and the diaphragm 3 is fixed to the magnetic circuit system through the second parallel portion 304. In this embodiment, the second parallel portion 304 is thinned, so that it is more convenient to fix the second parallel portion to the upper end surface of the magnetic circuit system 2.

Further, the diaphragm 3 is provided with a communication hole 404 at a central position thereof, and the diaphragm 3 is glued to the upper end surface of the magnetic circuit system 2 through the communication hole 304. In this embodiment, in the assembling process of the speaker, the center position of the diaphragm 3 or the center position of the second parallel portion 304 is pressed against the upper end surface of the magnetic circuit system 2, and then the glue is dispensed, and the glue spreads to the upper end surface of the magnetic circuit system 2 through the communication hole 404, so as to fix the center position of the diaphragm 3 and the magnetic circuit system 2 together.

Example two

The present embodiment is different from the first embodiment in that, referring to fig. 4,

the cross section of the cushioning portion 301 is a polygonal line.

It should be noted that, the implementation principle and the resulting technical effects of the present embodiment are the same as those of the first embodiment, and for the sake of brief description, reference may be made to the corresponding contents of the first embodiment.

EXAMPLE III

The present embodiment is different from the first embodiment in that, referring to fig. 5,

the cross section of the buffer portion 301 is arc-shaped.

An electronic product includes a speaker in which a center of a diaphragm is fixedly disposed according to any one of embodiments one to three.

It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the terminology used in the description presented above should not be understood as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should belong to the scope of the present invention.

Claims

1. The utility model provides a fixed speaker that sets up in vibrating diaphragm center which characterized in that: the method comprises the following steps:

a housing;

the magnetic circuit system is arranged at the central position of the shell;

2. The loudspeaker of claim 1, wherein the center of the diaphragm is fixed, and the loudspeaker comprises: the vibrating diaphragm is provided with a buffering part, and the buffering part is arranged towards the inward concave of the magnetic circuit system.

3. The loudspeaker of claim 2, wherein the diaphragm center is fixedly arranged on the loudspeaker body: the cross section of the buffer part is one of wave shape, broken line shape and circular arc shape.

4. The loudspeaker of claim 2, wherein the center of the diaphragm is fixed, and the loudspeaker is characterized in that: the vibrating diaphragm is provided with an arched part on the outer ring of the vibrating diaphragm, and the arched part is connected with the buffering part through a first parallel part.

5. The loudspeaker of claim 4, wherein the diaphragm center is fixedly arranged on the loudspeaker body: the vibrating diaphragm comprises a dome, and the dome is covered at the central position of the vibrating diaphragm through the first parallel part.

6. The loudspeaker of claim 4, wherein the diaphragm center is fixedly arranged on the loudspeaker body: the voice coil is fixedly arranged on the first parallel part and is positioned at the periphery of the magnetic circuit system.

7. The loudspeaker of claim 2, wherein the center of the diaphragm is fixed, and the loudspeaker is characterized in that: the center position of the vibrating diaphragm is provided with a second parallel part, the second parallel part is connected to the lower tail end of the buffer part, and the vibrating diaphragm is fixedly connected to the magnetic circuit system through the second parallel part.

8. The loudspeaker of claim 1, wherein the diaphragm center is fixedly arranged on the loudspeaker body: the vibrating diaphragm is provided with a communicating hole in the center position, and the vibrating diaphragm is adhered to the upper end face of the magnetic circuit system through the communicating hole.

9. An electronic product, characterized in that: a loudspeaker comprising a diaphragm according to any one of claims 1 to 8, the diaphragm being centrally fixedly disposed.