CN219802588U

CN219802588U - Earphone loudspeaker structure easy to assemble and produce

Info

Publication number: CN219802588U
Application number: CN202321350016.6U
Authority: CN
Inventors: 沈庆凯; 马建保; 杨冉
Original assignee: Risuntek Inc
Current assignee: Risuntek Inc
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-03
Anticipated expiration: 2033-05-30

Abstract

An earphone horn structure easy to assemble and produce comprises a shell, a horn assembly and a PCBA, wherein the horn assembly and the PCBA are arranged on the shell; wherein: the shell is provided with a cavity with an open lower end, the loudspeaker assembly and the PCBA are arranged in the cavity, the PCBA is arranged at the lower end of the loudspeaker assembly and is electrically connected with the loudspeaker assembly, the PCBA is provided with an extension part extending towards the shell, the outer side of the shell is provided with a first notch communicated with the cavity, and the extension part is exposed out of the shell in a protruding mode from the first notch; so, utilize extension and first breach to match after the location with loudspeaker subassembly, PCBA be fixed in on the casing, cancelled traditional PCBA and need extra location operation when the test to the subsequent test flow operation of PCBA has improved the production efficiency of product, is favorable to realizing automatic equipment production between loudspeaker subassembly, PCBA and the casing, and product quality is stable unanimous, and the practicality is strong, and application scope is wide.

Description

Earphone loudspeaker structure easy to assemble and produce

Technical Field

The utility model relates to the technology in the field of earphones, in particular to an earphone horn structure easy to assemble and produce.

Background

With the rapid development of electronic devices and the increasing improvement of life quality of people, the requirements of people on the sound quality of headphones are also increasing; the demand of the earphone is also larger and larger, the traditional earphone horn assembly mostly adopts a manual mode to assemble all parts to form the horn assembly, the production efficiency is low, and the quality is also unstable; later, the production of headphones has led to automated and semi-automated processes, which also put higher demands on the horn assembly, and must be able to be assembled in a uniform orientation: the assembly link, the welding link, the gluing link and the assembly test link in the automatic process all provide new requirements for the positioning of the horn assembly.

In the prior art, the assembly positioning problem between the PCBA and the shell on the loudspeaker assembly is not considered in the design process of the earphone loudspeaker assembly, and after each component of the earphone loudspeaker assembly is assembled to form the loudspeaker assembly, the PCBA and the shell are assembled respectively so as to realize the assembly and the fixation among the loudspeaker assembly, the PCBA and the shell; however, its structural design is not good enough, when PCBA is not fixed with the casing after the prepositioning for earphone loudspeaker subassembly whole needs extra location operation in subsequent test flow, has reduced earphone loudspeaker subassembly's production cycle, and is unfavorable for earphone loudspeaker subassembly's automatic assembly production, and the practicality is not good enough.

Therefore, a new technical solution is needed to solve the above problems.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide an earphone speaker structure easy to assemble and produce, which utilizes the extension portion to fix the speaker assembly and the PCBA on the housing after matching and positioning with the first notch, eliminating the need of additional positioning operation of the conventional PCBA during testing, improving the production efficiency of the product, being beneficial to realizing automatic assembly and production among the speaker assembly, the PCBA and the housing, and having stable and consistent product quality and strong practicability.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an earphone horn structure easy to assemble and produce comprises a shell, a horn assembly and a PCBA, wherein the horn assembly and the PCBA are arranged on the shell; wherein: the shell has the open cavity in lower extreme, loudspeaker subassembly and PCBA all set up in the cavity, PCBA set up in loudspeaker subassembly's lower extreme and with loudspeaker subassembly electric connection, PCBA has the extension that extends towards the shell and set up, the outside of shell is provided with the first breach that communicates in the cavity, the extension is protruding to expose outside the shell from first breach.

As a preferable scheme, the upper end of the shell is provided with a sound outlet communicated with the cavity, the sound outlet is positioned above the loudspeaker assembly, and the sound outlet of the loudspeaker assembly is arranged towards the sound outlet.

As a preferable scheme, the shell is provided with a boss which extends upwards, and the sound outlet is arranged at the upper end of the boss.

As a preferred scheme, loudspeaker subassembly is including T iron, magnet, washer, voice coil loudspeaker voice coil and sound membrane, T iron is the shape of falling T, T iron has bottom plate portion and the projection that upwards extends from bottom plate portion middle part an organic whole, magnet, washer are the ring form, washer, magnet set gradually from top to bottom in the upper end of bottom plate portion, the sound membrane sets up in the upper end of washer, the upper end of voice coil loudspeaker voice coil is connected in the lower extreme of sound membrane, the lower extreme of voice coil loudspeaker voice coil is located between the periphery of washer, magnet's inner periphery and projection, PCBA sets up in the lower extreme of bottom plate portion.

As a preferable scheme, be provided with first constant head tank on the PCBA, first constant head tank is located the side of extension, be provided with the second constant head tank on the loudspeaker subassembly, first constant head tank is located the lower extreme of second constant head tank.

As a preferable scheme, the outer side of the shell is provided with a second notch corresponding to the first positioning groove and the second positioning groove.

As a preferable scheme, a step surface is arranged in the cavity, the step surface extends annularly along the upper end edge of the horn assembly, and the upper end edge of the horn assembly is limited by the lower end of the step surface.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical proposal shows that the utility model mainly utilizes the design of the PCBA and the shell, utilizes the extension part to be matched and positioned with the first notch to fix the loudspeaker component and the PCBA on the shell, eliminates the need of additional positioning operation of the traditional PCBA during testing, is convenient for the subsequent testing flow operation of the PCBA, improves the production efficiency of products, is beneficial to realizing automatic assembly production among the loudspeaker component, the PCBA and the shell, has smart and reasonable structural design, stable and consistent product quality, strong practicability and wide application range;

and, the setting of first constant head tank and second constant head tank, fix again after making mutual matching location between loudspeaker subassembly and the PCBA, be favorable to the automatic equipment production between loudspeaker subassembly, the PCBA, convenient to use, simultaneously, the fixed operation after the location operation between casing and loudspeaker subassembly, the PCBA has been made things convenient for in the setting of second breach, further improved the production efficiency of product, and, the setting of step face is favorable to the equipment location of loudspeaker subassembly in the cavity, guaranteed the production quality of product, the usability is good.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a first perspective view of an embodiment of the present utility model;

FIG. 2 is a second perspective view of an embodiment of the present utility model;

FIG. 3 is an exploded view of an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of an embodiment of the present utility model.

The attached drawings are used for identifying and describing:

101. chamber 102, sound outlet

103. Step surface 11, shell

111. Boss 112, first notch

113. Second notch 12, horn assembly

121. T iron 122, magnet

123. Washer 124, voice coil

125. Sound membrane 126, bottom plate portion

127. Convex column 128, second positioning groove

129. Connecting ring part 13, PCBA

131. Extension 132, first positioning groove.

Detailed Description

Referring to fig. 1 to 4, specific structures of embodiments of the present utility model are shown.

An earphone horn structure easy to assemble and produce comprises a shell 11, a horn assembly 12 and a PCBA13, wherein the horn assembly 12 and the PCBA13 are arranged on the shell 11; wherein:

the shell 11 is provided with a cavity 101 with an open lower end, the loudspeaker assembly 12 and the PCBA13 are arranged in the cavity 101, the PCBA13 is arranged at the lower end of the loudspeaker assembly 12 and is electrically connected with the loudspeaker assembly 12, the upper end of the shell 11 is provided with a sound outlet 102 communicated with the cavity, the sound outlet 102 is positioned above the loudspeaker assembly 12, the sound outlet end of the loudspeaker assembly 12 is arranged towards the sound outlet 102, the shell 11 is provided with a boss 111 which extends upwards, the sound outlet 102 is arranged at the upper end of the boss 111, the PCBA13 is provided with an extension part 131 which extends towards the shell, the outer side of the shell 11 is provided with a first notch 112 communicated with the cavity, and the extension part 131 is protruded out of the shell 11 from the first notch 112; so, utilize extension and first breach to match and fix a position the back with loudspeaker subassembly, PCBA on being fixed in the casing, cancelled traditional PCBA and need extra location operation when the test to the subsequent test flow operation of PCBA has improved the production efficiency of product, is favorable to realizing automatic equipment production between loudspeaker subassembly, PCBA and the casing, structural design is ingenious reasonable, and product quality is stable unanimous, and the practicality is strong, and application scope is wide.

Generally, the speaker assembly 12 includes a T-shaped iron 121, a magnet 122, a washer 123, a voice coil 124, and a sound membrane 125, the T-shaped iron 121 has a bottom plate portion 126 and a boss 127 extending upward from the middle of the bottom plate portion, the magnet 122 and the washer 123 are all in a ring shape, the washer 123 and the magnet 122 are sequentially disposed at the upper end of the bottom plate portion 126, the sound membrane 125 is disposed at the upper end of the washer 123, the upper end of the voice coil 124 is connected to the lower end of the sound membrane 125, the lower end of the voice coil 124 is disposed between the inner peripheries of the washer 123 and the magnet 122 and the periphery of the boss 127, and the PCBA13 is disposed at the lower end of the bottom plate portion 126.

Still, be provided with first constant head tank 132 on the PCBA13, first constant head tank 132 is located the side of extension 131, be provided with second constant head tank 128 on the loudspeaker subassembly 12, first constant head tank 132 is located the lower extreme of second constant head tank 128, preferably, the outside of casing 11 corresponds first constant head tank, second constant head tank is provided with second breach 113, second constant head tank 128 sets up on T iron 121's bottom plate portion 126, so, fix again after making mutual matching location between loudspeaker subassembly and the PCBA, be favorable to the automation equipment production between loudspeaker subassembly, the PCBA, convenient to use, simultaneously, the setting of second breach has made things convenient for the fixed operation after the location operation between casing and loudspeaker subassembly, the PCBA, has further improved the production efficiency of product.

And be provided with step face 103 in the cavity 101, step face 103 extends along the upper end edge annular of loudspeaker subassembly 12 and sets up, loudspeaker subassembly 12's sound membrane 125 upper end edge is limited by step face 103's lower extreme, and here, be provided with link ring portion 129 on the sound membrane 125, link ring portion 129 extends along the edge annular of sound membrane 125 and sets up, link ring portion 129's lower extreme is fixed in the upper end of washer 123, link ring portion 129's upper end is limited by step face 103's lower extreme, so, is favorable to loudspeaker subassembly equipment location in the cavity, has guaranteed the production quality of product, and the usability is good.

The design key point of the utility model is that the loudspeaker assembly and the PCBA are fixed on the shell after being matched and positioned with the first notch by the design of the PCBA and the shell, so that the traditional PCBA is cancelled to need additional positioning operation during testing, the subsequent testing flow operation of the PCBA is facilitated, the production efficiency of the product is improved, the automatic assembly production among the loudspeaker assembly, the PCBA and the shell is facilitated, the structural design is ingenious and reasonable, the product quality is stable and consistent, the practicability is strong, and the application range is wide;

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to 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 principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims

1. Earphone loudspeaker structure of easy equipment production, its characterized in that: comprises a shell, a loudspeaker assembly arranged on the shell and a PCBA; wherein: the shell has the open cavity in lower extreme, loudspeaker subassembly and PCBA all set up in the cavity, PCBA set up in loudspeaker subassembly's lower extreme and with loudspeaker subassembly electric connection, PCBA has the extension that extends towards the shell and set up, the outside of shell is provided with the first breach that communicates in the cavity, the extension is protruding to expose outside the shell from first breach.

2. The earphone speaker structure of claim 1, wherein: the upper end of casing has offered the play sound mouth that communicates in the cavity, play sound mouth is located the top of loudspeaker subassembly, the play sound end of loudspeaker subassembly sets up towards play sound mouth.

3. The earphone speaker structure of claim 2, wherein: the shell is provided with a boss which extends upwards, and the sound outlet is arranged at the upper end of the boss.

4. The earphone speaker structure of claim 1, wherein: the loudspeaker assembly comprises a T iron, a magnet, a washer, a voice coil and a sound membrane, wherein the T iron is in an inverted T shape, the T iron is provided with a bottom plate part and a convex column extending upwards integrally from the middle of the bottom plate part, the magnet and the washer are all in a ring shape, the washer and the magnet are sequentially arranged at the upper end of the bottom plate part, the sound membrane is arranged at the upper end of the washer, the upper end of the voice coil is connected to the lower end of the sound membrane, the lower end of the voice coil is positioned between the periphery of the boss and the periphery of the washer and the magnet, and the PCBA is arranged at the lower end of the bottom plate part.

5. The earphone speaker structure of claim 1, wherein: be provided with first constant head tank on the PCBA, first constant head tank is located the side of extension, be provided with the second constant head tank on the loudspeaker subassembly, first constant head tank is located the lower extreme of second constant head tank.

6. The earphone speaker structure of claim 5, wherein: the outer side of the shell is provided with a second notch corresponding to the first positioning groove and the second positioning groove.

7. The earphone speaker structure of claim 1, wherein: the cavity is internally provided with a step surface, the step surface extends annularly along the upper end edge of the horn assembly, and the upper end edge of the horn assembly is limited by the lower end of the step surface.