CN217283366U

CN217283366U - A kind of loudspeaker

Info

Publication number: CN217283366U
Application number: CN202220441359.2U
Authority: CN
Inventors: 王国良; 栾尊玲
Original assignee: Gettop Acoustic Co Ltd
Current assignee: Gettop Acoustic Co Ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-08-23
Anticipated expiration: 2032-03-03

Abstract

The utility model provides a loudspeaker, its characterized in that: the magnetic shield comprises a support and a magnetic shield arranged at one end of the support, wherein the support and the magnetic shield are arranged in a split manner, a bonding platform is arranged at one end of the support, which is connected with the magnetic shield, the bonding platform is positioned at the inner side of the support, and one end of the magnetic shield, which is close to the support, is matched with the bonding platform. Through setting up magnetic shield and support components of a whole that can function independently, set up bonding platform on the support and spacing the magnetic shield, guarantee the concentricity of voice coil loudspeaker voice coil and support to can reduce the magnetic gap, improve loudspeaker product and produce the property ability, promote the product yield.

Description

A kind of loudspeaker

Technical Field

The utility model relates to a loudspeaker, specifically speaking relates to a loudspeaker.

Background

The magnetic cover and the basin frame of the existing circular metal loudspeaker product are the same part, when the loudspeaker is assembled, only the diaphragm and the voice coil can be assembled in advance, and then the loudspeaker is assembled with a metal magnetic cover assembly (the magnetic cover, the magnetic steel and the pole piece), as shown in figures 8-9. The existing design mode has the following defects: the concentricity of the magnetic cover and the voice coil can only be ensured by matching the appearance of the diaphragm and the inner ring of the magnetic cover, the matching dimension is completely ensured by material tolerance, and the concentricity of the manufactured product is poor because the material tolerance is difficult to ensure at high precision, so that the magnetic gap can only be increased during the design, and the performance is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the weak point of above-mentioned conventional art, provide a loudspeaker.

The purpose of the utility model is achieved through the following technical measures: a loudspeaker, its characterized in that: the support and the magnetic cover are arranged at one end of the support in a split mode, a bonding platform is arranged at one end, connected with the magnetic cover, of the support and is located on the inner side of the support, and one end, close to the support, of the magnetic cover is matched with the bonding platform.

Preferably, the height of the bonding platform is smaller than the whole thickness of the magnetic cover.

Preferably, the outer diameter of one end of the magnetic cover close to the bracket is equal to that of the bonding platform.

Preferably, the bonding platform is arranged along the circumferential direction of the inner side wall of the bracket.

Preferably, the bonding platform is arranged along a horizontal plane.

Preferably, the bonding stage is provided with one or more sets.

Preferably, the end face of one end of the magnetic cover, which is far away from the bracket, is flush with the end face of the bracket.

As a preferable scheme, a first glue overflowing table is arranged on the end face of the support, a second glue overflowing table is arranged at the position, corresponding to the first glue overflowing table, of the magnetic cover, and a glue overflowing groove is formed between the first glue overflowing table and the second glue overflowing table.

As a preferred scheme, the first glue overflowing table is arranged along the circumferential direction of the support, and the second glue overflowing table is arranged along the circumferential direction of the magnetic cover.

Preferably, the heights of the first glue overflow table and the second glue overflow table are equal.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: through setting up magnetic shield and support components of a whole that can function independently, set up bonding platform on the support and spacing the magnetic shield, guarantee the concentricity of voice coil loudspeaker voice coil and support to can reduce the magnetic gap, improve loudspeaker product and produce the property ability, promote the product yield.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic view of an overall sectional structure of a speaker according to the present invention.

Fig. 2 is a schematic view of an explosion section structure of a horn according to the present invention.

Fig. 3 is a schematic view of a supporting structure of a speaker of the present invention.

Fig. 4 is a schematic structural diagram of an embodiment 1 of the horn of the present invention.

Fig. 5 is a schematic structural view of a bonding platform of the horn of the present invention.

Fig. 6 is a schematic structural diagram of embodiment 2 of the speaker of the present invention.

Fig. 7 is a schematic structural diagram of an embodiment 3 of the horn of the present invention.

Fig. 8 is a schematic diagram of a prior art structure of a speaker according to the present invention.

Fig. 9 is a schematic diagram of a prior art structure of a speaker according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): as shown in fig. 1-5, a horn comprises a bracket 1, wherein one end of the bracket 1 is provided with a magnetic cover 2, and the bracket 1 and the magnetic cover 2 are arranged in a split manner.

As shown in fig. 2-3, in this embodiment, the horn is circular, the support 1 and the magnetic shield 2 are both circular, the bonding platform 3 is disposed at one end of the support 1 connected to the magnetic shield 2, and the bonding platform 3 is located inside the support 1. The height of the bonding platform 3 is smaller than the whole height of the bracket 1, and the height of the bonding platform 3 is smaller than the thickness of the magnetic cover 2. The one end that the magnetic shield 2 is close to support 1 sets up with the cooperation of bonding platform 3, in this embodiment, magnetic shield 2 is the flat setting of circular plate, and the one end periphery diameter that magnetic shield 2 is close to support 1 equals with the periphery diameter that bonds platform 3, during the installation, places magnetic shield 2 on bonding platform 3, and bonding platform 3 both can play the effect of support to magnetic shield 2, can guarantee the concentricity with magnetic shield 2 cooperation in size again, improves the assembly precision.

As shown in fig. 4-5, in this embodiment, the bonding platform 3 is a plane, and is disposed along the horizontal direction, the corresponding position between the corresponding magnetic cover 2 and the bonding platform 3 is also a plane, and the end surface of the end of the magnetic cover 2 far away from the bracket 1 is disposed flush with the end surface of the bracket 1, that is, the height from the end surface of the bracket 1 to the bonding platform 3 is equal to the thickness of the magnetic cover 2, so that the outer surface of the whole horn is still flush after the magnetic cover 2 is fixed to the bracket 1.

In this embodiment, the bonding platform 3 is provided with a set of, and the whole bonding platform 3 is provided with a week along the inside wall of support 1.

In this embodiment, the bonding stage 3 has a width of 0.3mm and a height of 0.5 mm.

Be provided with first excessive gluey platform 4 on the terminal surface of support 1, first excessive gluey platform 4 leans out the setting, and magnetism cover 2 is provided with the excessive gluey platform 5 of second with the first department that corresponds of excessive gluey platform 4, and the second is excessive to glue platform 5 and is inwards inclined and set up, and first excessive gluey platform 4 and second overflow to glue and form between the platform 5 and overflow gluey groove 6 for support 1 and magnetism cover 2 are beaten to glue sealed or laser welding fixed. In this embodiment, the first glue overflow platform 4 is provided with a circle, the second glue overflow platform 5 is also provided with a circle, the heights of the first glue overflow platform 4 and the second glue overflow platform 5 in the vertical direction are consistent, and the cross section of the formed glue overflow groove 6 is in a V shape.

As shown in fig. 1, in this embodiment, a magnetic steel 7 and a pole piece 8 fixed to the magnetic housing 2 are further disposed inside the bracket 1, a voice coil 9 is further mounted on the outer side of the lower portion of the magnetic steel 7, one side of the voice coil 9, which is away from the magnetic steel 7, is bonded and fixed to a diaphragm assembly 10, and the diaphragm assembly 10 is bonded to one side of the bracket 1, which is away from the magnetic housing 2. During the assembly, voice coil loudspeaker voice coil 9 through the frock, diaphragm subassembly 10, metal support 1 assembles together, can effectively guarantee voice coil loudspeaker voice coil 9 and metal support 1's concentricity through the frock, when the frock is gone up, diaphragm subassembly 10 is beaten and is glued and accomplish the bonding with voice coil loudspeaker voice coil 9 and fix, through the frock magnetic shield 2, magnet steel 7 and pole piece 8 assemble together, assemble magnetic shield 2 on support 1 at last, bonding platform 3 plays the effect of location and fixed, guarantee voice coil loudspeaker voice coil 9 support 1's concentricity, thereby can reduce the magnetic gap, improve loudspeaker product property ability, promote the product yield.

Example 2: as shown in fig. 6, in the present embodiment, two bonding stages 3 are provided, and the two bonding stages 3 are sequentially provided along a plane in contact with the magnetic shield 2. In this embodiment, the first glue overflow platform 4 is inclined outwards, the second glue overflow platform 5 is arranged along the vertical direction, and the glue overflow groove 6 is a half of a V-shape.

Other parts in this embodiment are the same as those in embodiment 1, and are not described in detail.

Example 3: as shown in fig. 7, in the present embodiment, the first glue overflow platform 4 is an outward convex arc, and the second glue overflow platform 5 is an inward convex arc.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A loudspeaker, its characterized in that: the support and the magnetic cover are arranged at one end of the support in a split mode, a bonding platform is arranged at one end, connected with the magnetic cover, of the support and is located on the inner side of the support, and one end, close to the support, of the magnetic cover is matched with the bonding platform.

2. A horn according to claim 1, wherein: the height of the bonding platform is smaller than the whole thickness of the magnetic cover.

3. A horn according to claim 1, wherein: the peripheral diameter of one end of the magnetic shield close to the support is equal to that of the bonding platform.

4. A horn according to claim 1, wherein: the bonding platform is arranged along the circumferential direction of the inner side wall of the support.

5. A horn according to claim 1, wherein: the bonding platform is arranged along a plane in the horizontal direction.

6. A horn according to claim 1, wherein: the bonding platform is provided with one or more groups.

7. A horn according to claim 1, wherein: the end face of one end of the magnetic shield, far away from the support, is flush with the end face of the support.

8. A horn according to any one of claims 1 to 7, wherein: the end face of the bracket is provided with a first glue overflowing table, the corresponding position of the magnetic cover and the first glue overflowing table is provided with a second glue overflowing table, and a glue overflowing groove is formed between the first glue overflowing table and the second glue overflowing table.

9. A horn according to claim 8, wherein: the first glue overflowing table is arranged along the circumferential direction of the support, and the second glue overflowing table is arranged along the circumferential direction of the magnetic cover.

10. A horn according to claim 8, wherein: the first glue overflowing table and the second glue overflowing table are equal in height.