WO2020258272A1

WO2020258272A1 - Speaker case

Info

Publication number: WO2020258272A1
Application number: PCT/CN2019/093800
Authority: WO
Inventors: 陈志臣; 蔡斌
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: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-12-30
Also published as: CN210093434U

Abstract

Provided in the present application is a speaker case. The speaker case comprises a housing provided with an accommodation space, and a speaker unit accommodated in the accommodation space and provided with a sound outlet. The speaker unit divides the accommodation space into a front chamber in communication with the sound outlet and a rear chamber opposite the front chamber. The housing comprises a first housing, a second housing, and an elastic connection part, the first housing accommodating the speaker unit, the second housing being arranged at an interval from the first housing, and the elastic connection part connecting the first housing and the second housing. The first housing and the second housing are both provided with a cavity, and the elastic connection part is a hollow structure communicating the cavity of the second housing with the cavity of the first housing. Compared with the related art, the speaker case provided in the present application is more reliable.

Description

Speaker box

Technical field

This application relates to the field of sound-to-electric conversion, in particular to a speaker box.

Background technique

With the rapid development of technology, the penetration rate of audio equipment is getting higher and higher. Among the many recreational methods, high-quality music enjoyment is gradually popularizing. Therefore, speaker boxes used to play audio have been widely used today. Smart mobile device.

The speaker box of the related art includes a housing and a speaker unit housed in the housing. However, the shell in the related art is usually made of non-bendable plastic or stainless steel. The shell will crack after being bent, and the reliability is poor, thereby affecting the performance of the speaker box. . Especially when the speaker box is applied to some foldable smart mobile devices, the disadvantage of poor reliability of the speaker box is particularly obvious.

Therefore, it is necessary to provide an improved speaker box to solve the above-mentioned problems.

technical problem

In view of the technical problem that the speaker box in the related art is made of non-bendable plastic or stainless steel, which causes cracks and poor reliability, the present application provides a speaker box with good reliability.

Technical solutions

A speaker box comprising a housing with a containing space and a speaker unit with a sound outlet accommodated in the containing space, the speaker unit partitioning the containing space to communicate with the sound outlet The front cavity and the rear cavity opposite to the front cavity, the housing includes a first housing accommodating the speaker unit, a second housing spaced apart from the first housing, and connected to the first housing An elastic connecting portion between a shell and the second shell, the first shell and the second shell both have a cavity, and the elastic connecting portion is a hollow structure to connect the hollow of the second shell The cavity is in communication with the cavity of the first housing, the speaker unit and the first housing jointly enclose the front cavity, and the speaker unit is connected to the first housing and the elastic The rear cavity and the second casing jointly enclose the rear cavity.

Preferably, the first housing includes a first upper cover and a first lower cover assembled to the first upper cover, and the first upper cover includes a top wall of the first upper cover, A first upper cover side wall extending from the top wall of the cover in the direction of the first lower cover, a supporting wall formed from the top wall of the first upper cover in the direction of the first lower cover, and a support wall formed on the first lower cover A sound guide channel on the side wall of the upper cover, the speaker unit is assembled on the support wall and the top wall of the first upper cover to form a front sound cavity, and the sound guide channel communicates with the front sound cavity to form the Anterior cavity.

Preferably, the elastic connecting portion is connected to the side wall of the first upper cover, and the side wall of the first upper cover includes a lower surface of the first upper cover close to the side of the first lower cover, The outer surface of the first upper cover and the inner surface of the first upper cover respectively bent and extended at both ends of the lower surface of the upper cover, and a first relief portion formed by recessing from the lower surface of the first upper cover away from the first lower cover , The elastic connecting portion communicates with the cavity of the first housing through the first avoiding portion.

Preferably, the side wall of the first upper cover further includes a first glue container recessed from the outer surface of the first upper cover toward the inner surface of the first upper cover, and the first glue container is located close to On one side of the elastic connecting portion, the elastic connecting portion is glued and fixed to the side wall of the first upper cover by applying glue in the first glue containing groove.

Preferably, the first lower cover includes a first lower cover bottom wall and a first lower cover side wall bent and extended from the first lower cover bottom wall toward the first upper cover, and the first lower cover The side wall of the cover is located on a side close to the elastic connecting portion, and the elastic connecting portion is connected with the side wall of the first lower cover.

Preferably, the side wall of the first lower cover includes an upper surface of the first lower cover close to the direction of the first upper cover, and outer surfaces of the first lower cover respectively bent and extended from both ends of the upper surface of the first lower cover And the inner surface of the first lower cover and the second glue container recessed from the outer surface of the first lower cover to the inner surface of the first lower cover, the second glue container is located near the elastic connecting portion On the other hand, the elastic connecting portion is glued and fixed to the side wall of the first lower cover by applying glue in the second glue containing groove.

Preferably, the second housing includes a second upper cover and a second lower cover assembled to the second upper cover, and the second upper cover includes a second upper cover top wall and a second upper cover. A second upper cover side wall extending from the top wall of the cover bent toward the second lower cover direction, and the elastic connecting portion is connected to the second upper cover side wall.

Preferably, the second upper cover side wall includes a second upper cover lower surface on a side close to the second lower cover, a second upper cover outer surface bent and extended from both ends of the second upper cover lower surface, and The inner surface of the second upper cover, the second escape portion formed by recessing from the lower surface of the second upper cover in the direction away from the second lower cover, and the inner surface of the second upper cover from the outer surface of the second upper cover A third glue containing groove formed by a recess in the surface direction, the third glue containing groove is located on a side close to the elastic connecting portion, and the elastic connecting portion passes through the second avoiding portion and the cavity of the second housing Connected, and glued and fixed with the side wall of the second upper cover by applying glue in the third glue container.

Preferably, the second lower cover includes a second lower cover bottom wall and a second lower cover side wall bent and extended from the second lower cover bottom wall toward the second upper cover, and the second lower cover The cover side wall is located on the side close to the elastic connecting portion, the elastic connecting portion is connected to the second lower cover side wall, and the second lower cover side wall includes a second lower cover in a direction close to the second upper cover. The upper surface of the cover, the outer surface of the second lower cover and the inner surface of the second lower cover respectively bent and extended from both ends of the upper surface of the second lower cover, and the inner surface of the second lower cover from the outer surface of the second lower cover A fourth glue containing groove formed by a depression in the surface direction, the fourth glue containing groove is located on the side close to the elastic connecting portion, and the elastic connecting portion is connected to the second lower part by applying glue in the fourth glue containing groove The side wall of the cover is glued and fixed.

Preferably, there are a plurality of the elastic connecting portions, and each of the elastic connecting portions is a hollow structure to respectively communicate the cavity of the second housing with the cavity of the first housing.

Preferably, the elastic connecting part is made of silica gel, thermoplastic polyurethane elastomer rubber, thermoplastic elastomer, thermoplastic styrene butadiene rubber, thermoplastic vulcanized rubber or chlorinated polyethylene.

The present application also provides a speaker, which includes a housing with an accommodation space and a speaker unit with a sound outlet accommodated in the accommodation space, and the speaker unit separates the accommodation space from the outlet The front cavity communicated with the sound port and the rear cavity opposite to the front cavity, the speaker box further includes an elastic connecting portion connected with the housing, the elastic connecting portion has a cavity, and the elastic connecting portion The cavity is communicated with the receiving space, and the speaker unit, the housing and the elastic connecting portion jointly enclose the rear cavity.

Preferably, the elastic connecting portion includes a body portion arranged at a distance from the casing and an extension portion extending from the body portion in the direction of the casing and connected to the casing, and the body portion has a housing The extension part is a hollow structure to communicate the accommodation space of the main body with the accommodation space of the housing.

Beneficial effect

Compared with the related art, the speaker box of the present application has three parts: the first shell, the second shell and the elastic connecting part. The elastic connecting part can be bent back and forth, so that The loudspeaker box is not prone to cracking, thereby increasing the reliability of the loudspeaker box; at the same time, the hollow structure of the elastic connecting portion can communicate the first shell and the second shell well, so that the The speaker unit, the first housing, the elastic connecting portion, and the second housing jointly enclose the rear cavity, which also increases the acoustic performance of the speaker box.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. Those of ordinary skill in the art can obtain other drawings based on these drawings without creative work, among which:

FIG. 1 is a schematic diagram of the three-dimensional structure of Embodiment 1 of the speaker box provided by this application;

Fig. 2 is a schematic diagram of an exploded structure of the speaker box shown in Fig. 1;

Figure 3 is a cross-sectional view taken along III-III of Figure 1;

Figure 4 is a sectional view taken along IV-IV of Figure 1;

Figure 5 is a partial enlarged view of the V area shown in Figure 2;

Figure 6 is a partial enlarged view of the VI area shown in Figure 4;

Fig. 7 is a partial enlarged view of area VII shown in Fig. 2;

Fig. 8 is a partial enlarged view of area VIII shown in Fig. 4;

9 is a schematic diagram of the three-dimensional structure of the second embodiment of the speaker provided by this application;

Fig. 10 is a three-dimensional structural diagram of another implementation structure of the speaker box shown in Fig. 9;

FIG. 11 is a schematic diagram of the three-dimensional structure of the third embodiment of the speaker box provided by the present application;

Fig. 12 is a cross-sectional view taken along XII-XII of Fig. 11.

The best mode of the invention

The technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of this application.

Example one

Please refer to Figure 1 to Figure 4 in conjunction. This embodiment provides a speaker box 100, which includes a housing 20 with a housing space 10 and a speaker unit 30 with a sound outlet accommodated in the housing space 10, and the speaker unit 30 separates the The containing space 10 is divided into a front cavity 11 communicating with the sound outlet and a back cavity 12 opposite to the front cavity 11. The front cavity 11 is used for sound generation, and the back cavity 12 is used for improving low-frequency acoustic performance.

The housing 20 includes a first housing 21 accommodating the speaker unit 30, a second housing 22 spaced apart from the first housing 21, and connecting the first housing 21 and the first housing 21. The elastic connecting portion 23 of the second housing 22. Both the first housing 21 and the second housing 22 have a cavity, and the elastic connecting portion 23 is a hollow structure that connects the cavity of the second housing 22 with the cavity of the first housing 21. The cavities communicate with each other, the speaker unit 30 and the first housing 21 jointly enclose the front cavity 11, the speaker unit 30 and the first housing 21, the elastic connecting portion 23 and the The second housing 22 collectively encloses the rear cavity 12.

The first housing 21 includes a first upper cover 211 and a first lower cover 212 assembled with the first upper cover 211. In this embodiment, the first lower cover 212 and the first upper cover The cover 211 is glued and fixed by glue.

The first upper cover 211 includes a first upper cover top wall 213, a first upper cover side wall 214 bent and extended from the first upper cover top wall 213 toward the first lower cover 212, and The supporting wall 215 formed by the top wall 213 of the first upper cover extending toward the first lower cover 212 and the sound guide channel 216 formed on the side wall 214 of the first upper cover. The speaker unit 30 is assembled on the supporting wall 215 and the first upper cover top wall 213 to form a front sound cavity 111, and the sound guide channel 216 communicates with the front sound cavity 111 to form the front cavity 11 Side sound structure. The elastic connecting portion 23 and the first upper cover side wall 214 are glued and fixed by glue.

Please refer to Figure 5 and Figure 6 in combination. The first upper cover side wall 214 includes a first upper cover lower surface 2141 on a side close to the first lower cover 212, and first upper covers bent and extended from both ends of the first upper cover lower surface 2141 respectively The outer surface 2142 and the inner surface of the first upper cover 2143, the first relief portion 2144 formed recessed from the lower surface of the first upper cover 2141 in the direction away from the first lower cover 212, and the outer surface of the first upper cover A first glue containing groove 2145 formed by recessing 2142 toward the inner surface 2143 of the first upper cover, and the first glue containing groove 2145 is located on the side close to the elastic connecting portion 23. The elastic connecting portion 23 communicates with the cavity of the first housing 21 through the first avoiding portion 2144, and the elastic connecting portion 23 communicates with the first housing 21 through glue in the first glue container 2145. The side wall 214 of the upper cover is glued and fixed.

Specifically, the first glue containing groove 2145 includes a first inclined surface 2146 that extends obliquely from an end of the first upper cover outer surface 2142 close to the elastic connecting portion 23 to a direction close to the first upper cover inner surface 2143 It can be understood that by providing the first inclined surface 2146 in the first glue containing groove 2145, glue can be facilitated, and the fixing effect of glue can be better.

It should be noted that in this embodiment, the first upper cover side wall 214 is provided with four, and the four first upper cover side walls 214 are arranged end to end. The first avoiding portion 2144 and the first glue containing groove 2145 are only provided on one side wall 214 of the first upper cover close to the elastic connecting portion 23. The sound guide channel 216 and the elastic connecting portion 23 are respectively located on two adjacent side walls 214 of the first upper cover.

Please continue to refer to Figure 2. The first lower cover 212 includes a first lower cover bottom wall 2121 and a first lower cover side wall 2122 bent and extended from the first lower cover bottom wall 2121 toward the first upper cover 211. One lower cover side wall 2122 is provided and is located on a side close to the elastic connecting portion 23, and the elastic connecting portion 23 and the first lower cover side wall 2122 are fixed by glue. Correspondingly, the first upper cover side wall 214 corresponding to the first lower cover side wall 2122 is provided with a structure that avoids the first lower cover side wall 2122, so that the first lower cover side wall 2122 is The first upper cover side wall 214 can be adapted and assembled.

Please refer to Figure 6 in conjunction. The first lower cover side wall 2122 includes a first lower cover upper surface 2123 in a direction close to the first upper cover 211, and a first lower cover outer surface 2123 bent and extended from both ends of the first lower cover upper surface 2123 respectively. The surface 2124, the inner surface 2125 of the first lower cover, and a second glue containing groove 2126 recessed from the outer surface 2124 of the first lower cover toward the inner surface 2125 of the first lower cover. The second glue containing groove 2126 is located on the side close to the elastic connecting portion 23, and the elastic connecting portion 23 is glued and fixed to the first lower cover side wall 2122 by applying glue in the second glue containing groove 2126, The second glue containing groove 2126 and the first glue containing groove 2145 are jointly arranged around the elastic connecting portion 23.

Specifically, the second glue containing groove 2126 includes a second inclined surface 2127 extending obliquely from an end of the first lower cover outer surface 2124 close to the elastic connecting portion 23 to a direction close to the first lower cover inner surface 2125 And a first plane 2128 extending from an end of the second inclined surface 2127 close to the inner surface 2125 of the first lower cover to a direction close to the elastic connecting portion 23, the second inclined surface 2127 and the first plane 2128 are common The second glue containing groove 2126 is enclosed. It is understandable that by providing the second inclined surface 2127 in the second glue containing groove 2126, glueing can be facilitated, and the fixing effect of the glue is also better.

Please continue to refer to Figure 2. The second housing 22 includes a second upper cover 221 and a second lower cover 222 assembled with the second upper cover 221. In this embodiment, the second lower cover 222 and the second upper cover The cover 221 is glued and fixed by glue.

The second upper cover 221 includes a second upper cover top wall 2211 and a second upper cover side wall 2212 bent and extended from the second upper cover top wall 2211 toward the second lower cover 222. The elastic The connecting portion 23 and the second upper cover side wall 2212 are glued and fixed by glue.

Please refer to Figure 7 and Figure 8 in combination. The second upper cover side wall 2212 includes a second upper cover lower surface 2213 close to the side of the second lower cover 222, and second upper covers bent and extended from both ends of the second upper cover lower surface 2213 respectively The outer surface 2214 and the second upper cover inner surface 2215, the second relief portion 2216 formed by recessing from the second upper cover lower surface 2213 in the direction away from the second lower cover 222, and the second upper cover outer surface A third glue containing groove 2217 formed by recessing 2214 toward the inner surface 2215 of the second upper cover. The third glue container 2217 is located on the side close to the elastic connecting portion 23, and the elastic connecting portion 23 communicates with the cavity of the second housing 22 through the second escape portion 2216, and passes through the The third glue container 2217 is glued and fixed with the second upper cover side wall 2212.

Specifically, the third glue containing groove 2217 includes a third inclined surface 2218 extending obliquely from an end of the second upper cover outer surface 2214 close to the elastic portion 23 to a direction close to the second upper cover inner surface 2215, It is understandable that by providing the third inclined surface 2218 in the third glue containing groove 2217, it is convenient to glue glue, and the fixing effect of glue is also better.

It should be noted that in this embodiment, there are four second upper cover side walls 2212, and the four second upper cover side walls 2212 are arranged end to end. The second avoiding portion 2216 and the third glue containing groove 2217 are only provided on one of the second upper cover side walls 2212 close to the elastic connecting portion 23.

Please continue to refer to Figure 2. The second lower cover 222 includes a second lower cover bottom wall 2221 and a second lower cover side wall 2222 bent and extended from the second lower cover bottom wall 2221 toward the second upper cover 221. The first Two lower cover side walls 2222 are provided with one and located on a side close to the elastic connecting portion 23, and the elastic connecting portion 23 and the second lower cover side wall 2222 are fixed by glue. Correspondingly, the second upper cover side wall 2212 corresponds to the second lower cover side wall 2222 with a structure that avoids the second lower cover side wall 2222, so that the second lower cover side wall 2222 is The second upper cover side wall 2212 can be adapted and assembled.

Please refer to Figure 8 in conjunction. The second lower cover side wall 2222 includes a second lower cover upper surface 2223 in a direction close to the second upper cover 221, and a second lower cover outer surface 2223 bent and extended from both ends of the second lower cover upper surface 2223 respectively. The surface 2224, the second lower cover inner surface 2225, and a fourth glue holding groove 2226 recessed from the second lower cover outer surface 2224 to the second lower cover inner surface 2225, the fourth glue holding groove 2226 Located on the side close to the elastic connecting portion 23, the elastic connecting portion 23 is glued and fixed to the second lower cover side wall 2222 by applying glue in the fourth glue containing groove 2226. Together with the third glue containing groove 2217, it is arranged around the elastic connecting portion 23.

Specifically, the fourth glue containing groove 2226 includes a fourth inclined surface 2227 extending obliquely from an end of the second lower cover outer surface 2224 close to the elastic connecting portion 23 to a direction close to the second lower cover inner surface 2225 And a second plane 2228 extending from an end of the fourth inclined surface 2227 close to the inner surface 2225 of the second lower cover in a direction close to the elastic connecting portion 23, the fourth inclined surface 2227 and the second plane 2228 are common The fourth glue containing groove 2226 is enclosed. It can be understood that by providing the fourth inclined surface 2227 in the fourth glue containing groove 2226, glue can be facilitated, and the fixing effect of glue can be better.

The elastic connecting portion 23 is made of polymer materials such as silica gel, thermoplastic polyurethane elastomer rubber, thermoplastic elastomer, thermoplastic styrene butadiene rubber, thermoplastic vulcanized rubber, or chlorinated polyethylene.

Please continue to refer to Figure 4. The elastic connecting portion 23 has a hollow rectangular structure. Specifically, the elastic connecting portion 23 includes two first sides 231 arranged opposite to each other and two second sides 232 connecting the two first sides 231. The first Two ends of the side 231 and two ends of the second side 232 are glued and fixed to the first housing 21 and the second housing 22 respectively.

Example two

Please refer to Figure 9 in conjunction. This embodiment provides a speaker box 200. The structure of the speaker box 200 is basically the same as the structure of the speaker 100 in Embodiment 1. The difference lies in:

The speaker box 200 includes two elastic connecting parts 230, both of which are hollow structures and respectively connect the cavity of the second housing 220 with the cavity of the first housing 210. The elastic connecting portion 230 is made of polymer materials such as silica gel, thermoplastic polyurethane elastomer rubber, thermoplastic elastomer, thermoplastic styrene butadiene rubber, thermoplastic vulcanized rubber, or chlorinated polyethylene

It can be understood that, since there are two elastic connecting parts 230 in this embodiment, the first housing 210 and the second housing 220 are respectively provided with two elastic connecting parts 230. There is a corresponding structure.

The connection structure of the elastic connecting portion 230 and the first housing 210 and the second housing 220 is the same as that of the elastic connecting portion 23 and the first housing 21 and the second housing in the first embodiment. The connection structure of the body 22 is the same, and will not be repeated here.

In this embodiment, by providing two elastic connecting parts 230, the connecting space is increased, and the frequency response effect of the speaker 200 is improved.

It should be noted that in this embodiment, two elastic connecting portions 230 are provided to connect the first housing 210 and the second housing 220. Of course, in other embodiments, it is also feasible that more elastic connecting parts 230 can be provided between the first housing 210 and the second housing 220, and the selection can be made according to actual needs.

Meanwhile, in this embodiment, the two elastic connecting portions 230 have the same shape and structure, and the two elastic connecting portions 230 are connected to the same wall of the first housing 210, and the two elastic connecting portions 230 are connected to The second housing 220 is on the same wall. Of course, in other embodiments, the shape and structure of the two elastic connecting portions 230 may be different from each other, and the two elastic connecting portions 230 may be connected to different walls of the first housing 210, The connecting portion 230 can be connected to different walls of the second housing 230, as shown in FIG. 10. That is, it is only necessary that the elastic connecting portion 230 is a hollow structure to connect the first housing 210 and the second housing 220, and the shape and connecting position of the elastic connecting portion 230 can be selected according to actual needs. .

Example three

Please refer to Figure 11 and Figure 12 in combination. This embodiment provides a speaker box 300. The speaker box 300 includes a housing 310 with an accommodation space, a speaker unit 330 with a sound outlet accommodated in the accommodation space, and connected to the housing 310的flexible connecting part 350. The speaker unit 330 divides the receiving space into a front cavity 370 communicating with the sound outlet and a rear cavity 390 opposite to the front cavity.

The elastic connecting portion 350 is made of polymer materials such as silica gel, thermoplastic polyurethane elastomer rubber, thermoplastic elastomer, thermoplastic styrene butadiene rubber, thermoplastic vulcanized rubber, or chlorinated polyethylene. The elastic connecting portion 350 has a cavity, and the cavity of the elastic connecting portion 350 communicates with the receiving space, and the speaker unit 330, the housing 310 and the elastic connecting portion 350 jointly enclose a space.述后室390。 Said back cavity 390.

Specifically, the elastic connecting portion 350 includes a body portion 351 that is arranged opposite to the housing 310 and an extension portion 353 that extends from the body portion 351 in the direction of the housing 310 and is connected to the housing 310 The main body portion 351 has an accommodation space 3511, and the extension portion 353 is a hollow structure to communicate the accommodation space 3511 of the main body portion 351 with the accommodation space of the housing 310.

The structures of the housing 310 and the speaker unit 330 are basically the same as those of the first housing 21 and the speaker unit 30 in the first embodiment, and the extension portion 353 is the same as that in the first embodiment. The structure of the elastic connecting portion 23 is basically the same, and the connecting structure of the extension portion 353 and the housing 310 is basically the same as the connecting structure of the elastic connecting portion 23 and the first housing 21 in the first embodiment. I won't repeat them here.

In this embodiment, by providing the main body portion 351 with the accommodating space 3511 and communicating with the housing 310 through the extension portion 353, the rear cavity of the speaker 300 is enlarged, and the structure is simple and effective Improve production efficiency and reduce costs.

It is understandable that the shape and size of the body portion 351 and the shape and size of the accommodation space 3511 enclosed by the body portion 351 can be selected according to actual needs. In this embodiment, the body portion 351 is hollow. Rectangular cube structure.

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.

Embodiments of the invention

Type here a paragraph describing the embodiment of the present invention.

Industrial applicability

Type a paragraph describing industrial applicability here.

Sequence Listing Free Content

Type here the free content description paragraph of the sequence listing.

Claims

A speaker box includes a housing with an accommodation space and a speaker unit with a sound outlet accommodated in the accommodation space, and the speaker unit divides the accommodation space into communication with the sound outlet A front cavity and a rear cavity opposite to the front cavity, wherein the housing includes a first housing that accommodates the speaker unit, a second housing spaced apart from the first housing, and a connection The elastic connecting portion of the first shell and the second shell, the first shell and the second shell both have a cavity, and the elastic connecting portion is a hollow structure to connect the second shell The cavity of the body communicates with the cavity of the first housing, the speaker unit and the first housing jointly enclose the front cavity, the speaker unit and the first housing, the The elastic connecting portion and the second shell jointly enclose the rear cavity.
The speaker box according to claim 1, wherein the first housing includes a first upper cover and a first lower cover assembled with the first upper cover, and the first upper cover includes a first The top wall of the upper cover, the first upper cover side wall bent and extended from the top wall of the first upper cover in the direction of the first lower cover, and the direction from the top wall of the first upper cover to the first lower cover An extended support wall and a sound guide channel formed on the side wall of the first upper cover, the speaker unit is assembled on the support wall and the top wall of the first upper cover to form a front sound cavity, the guide The acoustic channel communicates with the front acoustic cavity to form the front cavity.
The speaker box according to claim 2, wherein the elastic connecting portion is connected to the side wall of the first upper cover, and the side wall of the first upper cover includes a first side wall close to the first lower cover. A lower surface of the upper cover, the outer surface of the first upper cover and the inner surface of the first upper cover respectively bent and extended from both ends of the lower surface of the first upper cover, and the lower surface of the first upper cover away from the first upper cover A first avoiding part formed by a depression in the direction of the lower cover, the elastic connecting part communicates with the cavity of the first housing through the first avoiding part.
The speaker box according to claim 3, wherein the side wall of the first upper cover further comprises a first plastic container recessed from the outer surface of the first upper cover toward the inner surface of the first upper cover A groove, the first glue containing groove is located on a side close to the elastic connecting portion, and the elastic connecting portion is glued and fixed to the side wall of the first upper cover by applying glue in the first glue containing groove.
The speaker box according to claim 2, wherein the first lower cover comprises a first lower cover bottom wall and a first lower cover bent and extended from the first lower cover bottom wall in the direction of the first upper cover A side wall of the lower cover, the first lower cover side wall is located on a side close to the elastic connecting portion, and the elastic connecting portion is connected with the first lower cover side wall.
The speaker box according to claim 5, wherein the side wall of the first lower cover includes an upper surface of the first lower cover close to the direction of the first upper cover, and two ends of the upper surface of the first lower cover The outer surface of the first lower cover and the inner surface of the first lower cover are respectively bent and extended, and a second glue-containing groove is formed recessed from the outer surface of the first lower cover toward the inner surface of the first lower cover, the second The glue containing groove is located on a side close to the elastic connecting portion, and the elastic connecting portion is glued and fixed to the side wall of the first lower cover by applying glue in the second glue containing groove.
The speaker box according to claim 1, wherein the second housing includes a second upper cover and a second lower cover assembled to the second upper cover, and the second upper cover includes a second A top wall of the upper cover and a second upper cover side wall bent and extended from the top wall of the second upper cover toward the second lower cover, and the elastic connecting portion is connected with the side wall of the second upper cover.
The speaker box according to claim 7, wherein the side wall of the second upper cover comprises a lower surface of the second upper cover on a side close to the second lower cover, and two ends of the lower surface of the second upper cover respectively. The outer surface of the second upper cover and the inner surface of the second upper cover that extend by bending, the second relief portion formed by recessing from the lower surface of the second upper cover away from the second lower cover, and the second upper cover The outer surface of the cover is recessed toward the inner surface of the second upper cover to form a third glue container groove, the third glue container is located on the side close to the elastic connecting portion, the elastic connecting portion passes through the second avoidance The part is communicated with the cavity of the second housing, and is glued and fixed with the side wall of the second upper cover by applying glue in the third glue container.
The speaker box according to claim 7, wherein the second lower cover comprises a second lower cover bottom wall and a second lower cover bent and extended from the second lower cover bottom wall in the direction of the second upper cover Two lower cover side walls, the second lower cover side wall is located on a side close to the elastic connecting part, the elastic connecting part is connected with the second lower cover side wall, and the second lower cover side wall includes The upper surface of the second lower cover in the second upper cover direction, the outer surface of the second lower cover and the inner surface of the second lower cover respectively bent and extended from both ends of the upper surface of the second lower cover, and the second lower cover The outer surface of the lower cover is recessed in the direction of the inner surface of the second lower cover to form a fourth glue containing groove, the fourth glue containing groove is located on the side close to the elastic connecting portion, and the elastic connecting portion passes through the fourth glue The glue containing groove is glued and fixed with the side wall of the second lower cover.
The speaker box according to claim 1, characterized in that there are a plurality of said elastic connecting parts, and each of said elastic connecting parts has a hollow structure and respectively connects the cavity of the second housing with the The cavity of the first housing is connected.

[Claim 11] The speaker box according to any one of claims 1-10, wherein the elastic connecting part is made of silica gel, thermoplastic polyurethane elastomer rubber, thermoplastic elastomer, thermoplastic styrene butadiene rubber, thermoplastic vulcanized rubber, or Made of chlorinated polyethylene.

[Claim 12] A speaker box, comprising a housing with an accommodation space and a speaker unit with a sound outlet accommodated in the accommodation space, and the speaker unit separates the accommodation space from the The front cavity communicating with the sound outlet and the rear cavity opposite to the front cavity are characterized in that the speaker box further includes an elastic connecting portion connected with the housing, the elastic connecting portion has a cavity, and The cavity of the elastic connecting portion communicates with the receiving space, and the speaker unit, the housing and the elastic connecting portion jointly enclose the rear cavity.

[Claim 13] The speaker box according to claim 12, wherein the elastic connecting portion includes a body portion arranged opposite to the housing and extending from the body portion toward the housing. An extension part connected with the housing, the body part has an accommodating space, and the extension part has a hollow structure to communicate the accommodating space of the body part and the housing space of the housing.