WO2021097923A1

WO2021097923A1 - Loudspeaker box and electronic device

Info

Publication number: WO2021097923A1
Application number: PCT/CN2019/122962
Authority: WO
Inventors: 时阳
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声科技(新加坡)有限公司
Priority date: 2019-11-19
Filing date: 2019-12-04
Publication date: 2021-05-27
Also published as: CN211019217U

Abstract

The present application provides a loudspeaker box and an electronic device. The electronic device comprises the loudspeaker box; the loudspeaker box comprises a first housing, a second housing and a loudspeaker monomer accommodated in an accommodating space formed by the first housing and the second housing; the first housing comprises an upper housing body and a steel sheet embedded in the upper housing body; the steel sheet comprises a main body portion and an extension portion; the main body portion comprises a first plane abutting against the upper housing body and a first connecting portion connecting to the extension portion; the extension portion comprises a second plane abutting against the upper housing body and a second connecting portion connecting to the main body portion. In the above-mentioned electronic device provided with the loudspeaker box, both the first plane on the steel sheet main body and the second plane on the extension portion are abutted against the upper housing body, so that the thickness of the upper housing body at the first connecting portion can be increased and the strength of the upper housing body and the steel sheet at the first connecting portion can be improved; thus the loudspeaker box is not easy to be damaged when subjected to external force and has good reliability.

Description

Speaker box and electronic equipment

Technical field

This application relates to the field of electro-acoustic conversion technology, and in particular to a speaker box and electronic equipment.

Background technique

With the development of speaker technology, electronic devices have higher and higher requirements for the volume of speakers, requiring the volume of a single speaker to be as small as possible. In order to reduce the overall volume of the speaker while meeting the requirements of the use of In the process of injection molding of the shell, the steel sheet is put into the shell forming mold, and after the injection of the shell is completed, the steel sheet is connected to the shell.

technical problem

However, due to the limitation of the steel sheet structure, the connection area between the shell and the steel sheet is prone to have a sharp point after the injection of the shell is completed. The film is effectively fixed, resulting in poor reliability of the speaker.

Therefore, it is necessary to provide a speaker box and electronic equipment to solve the above-mentioned problems.

Technical solutions

The purpose of the present application is to provide a speaker box and electronic equipment, which aims to solve the problem that the connection between the steel sheet and the shell is easily damaged in the traditional speaker structure, and the reliability of the speaker is poor.

The technical solution of this application is as follows:

A speaker box comprising: a first shell, a second shell forming a containing space with the first shell, and a speaker unit accommodated in the containing space, the first shell including an upper shell The main body and the steel sheet embedded in the upper shell body, the steel sheet includes a flat main body portion and an extension portion bent and extended from the edge of the main body portion, and the main body portion includes A first plane that abuts the upper shell body and a first connecting portion that is connected to the extension portion, the extension portion includes a second plane that extends from its lower surface and abuts the upper shell body, and a The second connecting portion connected to the first connecting portion.

Optionally, the main body part and the extension part are integrally formed.

Optionally, the main body part and the extension part have the same thickness.

Optionally, the extending direction of the first connecting portion is perpendicular to the upper surface of the main body portion, and/or the extending direction of the second connecting portion is perpendicular to the upper surface of the main body portion.

Optionally, the extension part is arranged around the main body part.

Optionally, the included angle between the extension part and the main body part is between 90° and 180°.

Optionally, the extension portion bends and extends in a direction close to the second housing.

Optionally, the speaker unit, the main body and the upper shell body form a front cavity, and the upper shell body is provided with a sound outlet communicating with the front cavity.

Optionally, the upper shell body includes a side wall connected to the second shell, and the sound hole is located on the side wall.

Optionally, the speaker unit and the second housing form a rear cavity; the speaker box further includes a shock absorbing member arranged in the rear cavity, and the shock absorbing member extends along the first housing to The opposite ends of the second housing in the direction abut against the speaker unit and the second housing, respectively.

Beneficial effect

The beneficial effects of this application are:

In the above electronic device provided with a speaker box, after the steel sheet is embedded in the upper shell body of the first housing, the first plane on the steel sheet body part and the second plane on the extension part abut the upper shell body at the same time, As a result, the thickness of the upper shell body at the first connecting portion can be increased, thereby increasing the strength of the upper shell body and the steel sheet there, so that the speaker box is not easily damaged when subjected to external force, and the speaker is reliable Good sex.

Description of the drawings

Figure 1 is a perspective view of the speaker box of the present application;

Figure 2 is a cross-sectional view taken along line A-A in Figure 1;

Figure 3 is an enlarged view of part B in Figure 2;

Figure 4 is an exploded view of the speaker box of the present application;

In the picture:

100. The first housing;

110. Upper shell body; 111, sound hole; 112, side wall; 120, steel sheet; 121, main body; 1211, first plane; 1212, first connecting part; 122, extension; 1221, second plane 1222, the second connecting part;

200, the second housing; 210, the lower housing body; 220, the bottom plate;

300, containing space; 310, front cavity; 320, rear cavity;

400. Single speaker;

500. Dustproof parts;

600, shock absorption parts.

Embodiments of the present invention

The application will be further described below in conjunction with the drawings and implementations.

The present application provides an electronic device. The electronic device includes a speaker box, as shown in FIGS. 1 and 2. The speaker box includes a first housing 100, a second housing 200, and a speaker unit 400. The first housing 100 The speaker box and the second housing 200 form an integral speaker box, and are used for accommodating the speaker unit 400.

Specifically, the first housing 100 and the second housing 200 form an accommodating space 300, and the speaker unit 400 is disposed in the accommodating space 300; the first housing 100 includes an upper housing body 110 and an upper housing body 110 embedded in it. Steel sheet 120. The steel sheet 120 includes a flat main body portion 121 and an extension portion 122 bent and extended from the edge of the main body portion 121. Please continue to refer to FIG. 3. The main body portion 121 includes an upper surface extending from its upper surface and abutting against the upper shell body 110. The first plane 1211 connected to the extension portion 122 and the first connecting portion 1212 connected to the extension portion 122. The extension portion 122 includes a second plane 1221 extending from its lower surface and abutting against the upper housing body 110 and a first connecting portion 1212 connected to the The second connection part 1222.

In the above electronic device provided with a speaker box, after the steel sheet 120 is embedded in the upper shell body 110 of the first housing 100, the first plane 1211 on the main body 121 of the steel sheet 120 and the second plane 1221 on the extension 122 At the same time, it abuts against the upper shell body 110, thereby increasing the thickness of the upper shell body 110 at the first connecting portion 1212, thereby increasing the strength of the upper shell body 110 and the steel sheet 120 at the connecting portion. The speaker box is not easily damaged when subjected to external force, and the reliability of the speaker box is good.

In one embodiment, the main body 121 and the extension 122 are integrally formed; in other embodiments, the extension 122 may be formed by integral stamping of the steel sheet 120. The integrally formed steel sheet 120 is connected to the upper shell body 110 to avoid the separation of the main body 121 and the extension portion 122, and the steel sheet 120 has better durability.

Specifically, as shown in FIG. 4, the main body 121 and the extension 122 have the same thickness. It is understandable that the first plane 1211 of the main body part 121 is connected with the upper surface of the extension part 122 to form a stepped surface. Since the main body part 121 and the extension part 122 have the same thickness, the second plane 1221 is connected to the lower part of the main body part 121. The surfaces are connected to form another stepped surface. By forming two connecting surfaces at the connection between the steel sheet 120 and the upper shell body 110, the combined area of the upper shell body 110 and the steel sheet 120 can be increased, thereby improving the upper shell body 110 and the steel sheet. The bonding force between the pieces 120 makes the installation firm.

Further, the extending direction of the first connecting portion 1212 is perpendicular to the upper surface of the main body portion 121, and/or the extending direction of the second connecting portion 1222 is perpendicular to the upper surface of the main body 121. By providing the first connecting portion 1212 and the second connecting portion 1222 that are both perpendicular to the upper surface of the main body portion 121, it is possible to separate between the main body portion 121 and the first connecting portion 1212 and between the main body portion 121 and the second connecting portion 1222. Two vertical portions are formed, and the steel sheet 120 and the upper shell body 110 can abut against each other through the two vertical portions, thereby improving the combination effect of the steel sheet 120 and the upper shell body 110.

Specifically, the extension portion 122 is arranged around the main body 121. By circumscribing the extension 122 around the main body 121, after the steel sheet 120 is connected to the upper shell body 110, the main body 121 is connected to the upper shell body 110 around the circumference, thereby improving the stability of the steel sheet 120 on the upper shell body 110 Sex.

Further, the included angle between the extension portion 122 and the main body portion 121 is between 90° and 180°. By making the extension 122 and the main body 121 have an included angle, after the extension 122 is embedded in the upper shell body 110, the extension 122 can generate a lateral force in the upper shell body 110, thereby preventing the steel sheet 120 from being removed from the upper shell body 110. The shell body 110 is separated, and the fixing effect between the steel sheet 120 and the upper shell body 110 is good.

In one embodiment, the extension portion 122 is bent and extends toward the direction of the second housing 200. It is understandable that after the upper shell body 110 is injection-molded, the extension 122 of the steel sheet 120 is embedded in the upper shell body 110. Since the extension 122 is set in a bent shape, the extension 122 is placed as shown in FIG. The part 122 and the upper shell body 110 can generate interaction forces in the up-down direction and the left-right direction. The extension part 122 can be restricted by the interaction forces in multiple directions, thereby improving the combination of the upper shell body 110 and the steel sheet 120. effect. In other embodiments, the extension portion 122 can also be bent and extended in a direction away from the second housing 200. In this embodiment, the extension portion 122 and the upper housing body 110 can also have a good combination effect. Make the only restriction.

Further, a non-slip layer is provided on the outer wall of the extension portion 122. After the extension 122 is embedded in the upper shell body 110, the anti-slip layer provided can further improve the combination effect of the upper shell body 110 and the steel sheet 120, thereby improving the durability of the speaker box.

To

As shown in FIG. 2, the speaker unit 400, the main body 121 and the upper housing body 110 form a front cavity 310, and the upper housing body 110 is provided with a sound outlet 111 communicating with the front cavity 310. It can be understood that the sound emitted by the speaker unit 400 is outputted to the first housing 100 through the front cavity 310 and the sound hole 111 in turn.

Furthermore, the upper shell body 110 includes a side wall 112 connected to the second shell 200, and the sound hole 111 is located on the side wall 112. It is understandable that by arranging the sound outlet 111 on the side wall 112 of the upper housing body 110, the size of the speaker box in the direction from the first housing 100 to the second housing 200 can be reduced, so as to reduce the cost. The speaker box occupies space in the electronic equipment, thereby reducing the difficulty of arranging the speaker box.

The speaker box also includes a dustproof member 500 covering the sound hole 111, which can prevent dust from entering the accommodating space 300, so as to prevent the dust from affecting the normal operation of the speaker unit 400, thereby improving the durability of the speaker box .

Further, as shown in FIG. 5, the second housing 200 includes a lower housing body 210 and a bottom plate 220, the bottom plate 220 is embedded in the lower housing body 210, and the speaker unit 400 and the bottom plate 220 are spaced apart to form a rear cavity 320; It also includes a shock absorbing member 600 which is arranged in the rear cavity 320.

By arranging the shock absorbing member 600 in the rear cavity 320 to abut against the bottom plate 220 and the speaker unit 400, on the one hand, the shock absorbing member 600 can support the speaker unit 400; on the other hand, through the shock absorbing member provided in the rear cavity 320 The component 600 can absorb excess vibration from the speaker unit 400.

In one embodiment, the shock-absorbing member 600 is made of foam, and the shock-absorbing member 600 made of foam has certain elasticity and can support the speaker unit 400, and the weight of the foam is relatively low, so that the speaker box has a relatively low weight. The weight is low, and there is a gap inside the foam that can absorb vibration, and the use effect is good.

The above are only the implementation manners of this application. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the creative concept of this application, but these all belong to this application. The scope of protection.

Claims

A speaker box comprising: a first shell, a second shell forming a containing space with the first shell, and a speaker unit accommodated in the containing space, the first shell including an upper shell The main body and the steel sheet embedded in the upper shell body, the steel sheet includes a flat main body part and an extension part bent and extended from the edge of the main body part, characterized in that: the main body part includes A first plane extending from the upper surface and abutting with the upper shell body and a first connecting portion connected with the extension portion, the extension portion including a first plane extending from the lower surface thereof and abutting against the upper shell body Two planes and a second connecting part connected with the first connecting part.
The speaker box according to claim 1, wherein the main body part and the extension part are integrally formed.
The speaker box according to claim 1, wherein the main body part and the extension part have the same thickness.
The speaker box according to claim 1, wherein the extending direction of the first connecting portion is perpendicular to the upper surface of the main body, and/or the extending direction of the second connecting portion is perpendicular to the main body The upper surface of the department.
The speaker box according to claim 1, wherein the extension part is arranged around the main body part.
The speaker box according to any one of claims 1 to 5, wherein the angle between the extension part and the main body part is 90%. Between -180.
The speaker box according to claim 6, wherein the extension portion is bent and extends in a direction close to the second housing.
The speaker box according to claim 1, wherein the speaker unit, the main body and the upper shell body form a front cavity, and the upper shell body is provided with a front cavity communicating with the front cavity Sound hole.
The speaker box according to claim 8, wherein the upper shell body comprises a side wall connected to the second shell, and the sound outlet is located on the side wall.
The speaker box according to claim 1, wherein the speaker unit and the second housing form a rear cavity; the speaker box further comprises a shock-absorbing member arranged in the rear cavity, and the The opposite ends of the shock absorbing member in the direction from the first housing to the second housing are respectively abutted against the speaker unit and the second housing.