CN212936202U - Moving-iron unit shell and earphone - Google Patents

Abstract

The utility model provides a moving iron unit shell, which comprises a first half shell and a second half shell, wherein the first half shell is provided with a first half mouth part, and the first half shell and the first half mouth part are integrally formed; the second half shell is provided with a second half mouth part, and the second half shell and the second half mouth part are integrally formed; the first half shell and the second half shell are combined to form an accommodating cavity, the first half mouth part and the second half mouth part are combined to form a sound mouth, and a through hole for communicating the outside and the accommodating cavity is formed in the sound mouth. The utility model also provides an earphone, include the earphone casing and establish the moving iron unit in the earphone casing, move the iron unit and include foretell moving iron unit casing. This move half shell and the first half mouth of indisputable unit casing are integrated into one piece, and the second half shell is integrated into one piece with the second half mouth, and first half shell and the combination of second half shell back, first half mouth and the second half mouth component sound mouth, simple structure to the through-hole of sound mouth can not produce the concentricity problem.

Description

Moving-iron unit shell and earphone

Technical Field

The utility model belongs to the technical field of moving iron unit and specifically relates to a move iron unit casing is related to.

Background

The conventional moving iron unit usually comprises a shell and a voice nozzle, wherein a sound outlet hole is formed in the shell, the voice nozzle is connected with the shell and communicated with the sound outlet hole, the voice nozzle is processed on the shell after the shell is manufactured (such as bonding by using glue or laser welding), the process is complex, and meanwhile, the concentricity of the sound outlet hole and the voice nozzle cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the present invention is to provide an improved moving iron unit casing to the above-mentioned defects in the related art.

The utility model provides a technical scheme that its technical problem adopted includes: constructing a moving-iron unit casing comprising:

a first half shell provided with a first half mouth part, wherein the first half shell and the first half mouth part are integrally formed;

the second half shell is provided with a second half mouth part, and the second half shell and the second half mouth part are integrally formed;

the first half shell and the second half shell are combined to form an accommodating cavity, the first half mouth part and the second half mouth part are combined to form a sound mouth, and a through hole for communicating the outside with the accommodating cavity is formed in the sound mouth.

Preferably, be equipped with the first cavity that opens to one side on the first half shell, be equipped with the second cavity that opens to one side on the second half shell, first half shell with the second half shell with first cavity with the mode combination that the second cavity is in opposite directions, so that first cavity with the combination of second cavity forms hold the chamber.

Preferably, the first cavity is open towards the second half-shell and the second cavity is open towards the first half-shell.

Preferably, a first groove is arranged on the first half mouth, communicates the outside with the first cavity, and is opened towards the second half mouth; the second half mouth portion is provided with a second groove, the second groove is communicated with the outside and the second cavity and is opened towards the first half mouth portion, and the first half mouth portion and the second half mouth portion are combined to enable the first groove and the second groove to form the through hole of the sound mouth.

Preferably, the first half-shell includes a first edge at a periphery of the first cavity toward the second half-shell, the second half-shell includes a second edge at a periphery of the second cavity toward the first half-shell, the first half-mouth includes a third edge at both sides of a first groove, the second half-mouth includes a fourth edge at both sides of a second groove, the first half-shell and the second half-shell are combined such that the first edge coincides with the second edge, and the third edge coincides with the fourth edge.

Preferably, the first edge is flush with the third edge.

Preferably, the second edge is flush with the fourth edge.

Preferably, the first half-shell and the second half-shell are arranged in mirror symmetry or central symmetry.

Preferably, the first half-mouth and the second half-mouth are arranged in mirror symmetry or central symmetry.

The utility model provides a technical scheme that its technical problem adopted includes: an earphone is constructed, and comprises an earphone shell and a moving iron unit arranged in the earphone shell, wherein the moving iron unit comprises the moving iron unit shell.

Implement the technical scheme of the utility model, following beneficial effect has at least: this move half shell and the first half mouth of indisputable unit casing are integrated into one piece, and the second half shell is integrated into one piece with the second half mouth, and first half shell and the combination of second half shell back, first half mouth and the second half mouth component sound mouth, simple structure to the through-hole of sound mouth can not produce the concentricity problem.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an exploded view of a moving iron unit casing according to an embodiment of the present invention.

Fig. 2 is another exploded view of the moving iron unit casing of fig. 1.

Fig. 3 is a perspective view of a cross-sectional view of the moving iron unit case of fig. 1.

The reference numerals in the figures denote: the first half shell 1, the first half mouth part 11, the first groove 11a, the third edge 111, the first cavity 12, the first edge 13, the second half shell 2, the second half mouth part 21, the second groove 21a, the fourth edge 211, the second cavity 22, the second edge 23, the accommodating cavity 3, the sound mouth 4 and the through hole 5.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

Referring to fig. 1-3, the moving iron unit casing according to an embodiment of the present invention includes:

a first half shell 1 provided with a first half mouth portion 11 extending outwards, the first half shell 1 and the first half mouth portion 11 being integrally formed;

and a second half-shell 2 provided with a second half-mouth 21 projecting outwards, the second half-shell 2 being integrally formed with the second half-mouth 21;

the first half shell 1 and the second half shell 2 are combined side by side to form a containing cavity 3, the first half mouth part 11 and the second half mouth part 21 are combined to form a sound mouth 4 extending outwards, and a through hole 5 communicating the outside with the containing cavity 3 is formed in the sound mouth 4.

The accommodating cavity 3 of the moving iron unit shell is used for accommodating elements for sound production such as a vibrating diaphragm, an armature, a magnetic yoke, a magnet and a coil, the moving iron unit and the moving iron unit shell form a moving iron unit together, and the produced sound is transmitted to the outside through the through hole 5 of the sound mouth 4. The first half shell 1 and the first half mouth part 11 of the moving iron unit shell are integrally formed, the second half shell 2 and the second half mouth part 21 are integrally formed, and after the first half shell 1 and the second half shell 2 are combined, the first half mouth part 11 and the second half mouth part 21 form the sound mouth 4, the structure is simple, and the through hole 5 of the sound mouth 4 cannot generate the concentricity problem.

First half shell 1 is provided with first cavity 12 that opens to one side, is provided with second cavity 22 that opens to one side on second half shell 2, and first half shell 1 and second half shell 2 make up with first cavity 12 and the opposite mode combination of second cavity 22 to make first cavity 12 and the combination of second cavity 22 form and hold chamber 3. The first cavity 12 is open towards the second half-shell 2 and the second cavity 22 is open towards the first half-shell 1.

The first half-mouth 11 is provided with a first groove 11a, the first groove 11a communicating with the outside and the first cavity 12 and opening towards the second half-mouth 21; the second half mouth portion 21 is provided with a second groove 21a, the second groove 21a communicates the outside with the second cavity 22 and opens toward the first half mouth portion 11, and the first half mouth portion 11 and the second half mouth portion 21 are combined such that the first groove 11a and the second groove 21a constitute the through hole 5 of the mouthpiece 4. It can also be said that the first half-mouth 11 and the second half-mouth 21 are both half-enclosed or arc-shaped.

The first half-shell 1 comprises a first edge 13 facing the second half-shell 2 at the periphery of the first cavity 12, the second half-shell 2 comprises a second edge 23 facing the first half-shell 1 at the periphery of the second cavity 22, the first half-mouth 11 comprises a third edge 111 at both sides of the first recess 11a, the second half-mouth 21 comprises a fourth edge 211 at both sides of the second recess 21a, the first half-shell 1 is combined with the second half-shell 2 such that the first edge 13 coincides with the second edge 23 and the third edge 111 coincides with the fourth edge 211. The first edge 13 is flush with the third edge 111. The second edge 23 is flush with the fourth edge 211.

The first half-shell 1 and the second half-shell 2 are arranged in mirror symmetry (see fig. 1 to 3), and may also be arranged in centrosymmetry. The first half-spout 11 and the second half-spout 21 are arranged in mirror symmetry (see fig. 1-3), and may also be arranged in central symmetry. When mirror-symmetrical, it can also be understood that the moving-iron unit housing is divided in half along the mouthpiece 4.

The first half shell 1 and the second half shell 2 are respectively molded integrally by over-molding, but not limited thereto, and may be molded integrally by injection molding.

The utility model discloses an embodiment's earphone, include the earphone casing and establish the moving iron unit in the earphone casing, its characterized in that, the moving iron unit includes foretell moving iron unit casing.

Because the moving-iron unit of the earphone adopts the moving-iron unit shell, the first half shell 1 and the first half mouth part 11 of the moving-iron unit shell are integrally formed, the second half shell 2 and the second half mouth part 21 are integrally formed, after the first half shell 1 and the second half shell 2 are combined, the first half mouth part 11 and the second half mouth part 21 form the sound mouth 4, the structure is simple, and the concentricity problem cannot be caused by the through hole 5 of the sound mouth 4.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, which may be modified, combined, and varied by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A moving iron unit housing, comprising:

a first half-shell (1) provided with a first half-mouth (11), said first half-shell (1) being integrally formed with said first half-mouth (11);

and a second half-shell (2) provided with a second half-mouth (21), the second half-shell (2) being integrally formed with the second half-mouth (21);

first half shell (1) with half shell (2) combination of second forms and holds chamber (3), and makes first half mouth (11) with half mouth (21) of second make up into sound mouth (4), be equipped with on sound mouth (4) communicate outside with hold through-hole (5) of chamber (3).

2. The moving-iron unit casing according to claim 1, characterized in that a first cavity (12) open to one side is provided on the first half-shell (1), a second cavity (22) open to one side is provided on the second half-shell (2), and the first half-shell (1) and the second half-shell (2) are combined in such a way that the first cavity (12) and the second cavity (22) face each other, so that the first cavity (12) and the second cavity (22) are combined to form the accommodation cavity (3).

3. Moving-iron unit casing according to claim 2, characterized in that said first cavity (12) is open towards said second half-shell (2), said second cavity (22) being open towards said first half-shell (1).

4. Moving-iron unit casing according to claim 2, characterised in that said first half-mouth (11) is provided with a first recess (11a), said first recess (11a) communicating externally with said first cavity (12) and being open towards said second half-mouth (21); a second groove (21a) is provided on the second half mouth portion (21), the second groove (21a) communicates the outside with the second cavity (22) and opens toward the first half mouth portion (11), the first half mouth portion (11) and the second half mouth portion (21) are combined so that the first groove (11a) and the second groove (21a) constitute the through hole (5) of the mouthpiece (4).

5. Moving-iron unit casing according to claim 4, characterized in that the first half-shell (1) comprises a first edge (13) peripheral to the first cavity (12) facing the second half-shell (2), the second half-shell (2) comprises a second edge (23) peripheral to the second cavity (22) facing the first half-shell (1), the first half-mouth (11) comprises a third edge (111) on both sides of a first groove (11a), the second half-mouth (21) comprises a fourth edge (211) on both sides of a second groove (21a), the first half-shell (1) and the second half-shell (2) are combined so that the first edge (13) coincides with the second edge (23), the third edge (111) coincides with the fourth edge (211).

6. Moving-iron unit casing according to claim 5, characterized in that said first edge (13) is flush with said third edge (111).

7. Moving-iron unit casing according to claim 5, characterized in that said second edge (23) is flush with said fourth edge (211).

8. Moving-iron unit casing according to claim 4, characterized in that the first half-shell (1) and the second half-shell (2) are arranged mirror-symmetrically or centrosymmetrically.

9. Moving-iron unit housing according to claim 1, characterized in that the first half-mouth (11) and the second half-mouth (21) are arranged mirror-symmetrically or centrosymmetrically.

10. An earphone comprising an earphone housing and a moving-iron unit provided in the earphone housing, characterized in that the moving-iron unit comprises a moving-iron unit housing according to any one of claims 1-9.

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