WO2019024188A1

WO2019024188A1 - Terminal

Info

Publication number: WO2019024188A1
Application number: PCT/CN2017/102022
Authority: WO
Inventors: 陈俊升
Original assignee: 西安中兴新软件有限责任公司
Priority date: 2017-07-31
Filing date: 2017-09-18
Publication date: 2019-02-07
Also published as: CN109327746A

Abstract

A terminal, comprising a housing, a loudspeaker, and a loudspeaker support; the loudspeaker is fixed on the loudspeaker support by means of a limiting structure, and a sealing member is provided between the loudspeaker and the housing, a cavity that is formed by the loudspeaker, the sealing member, and the housing functioning as a front sound chamber of the loudspeaker.

Description

Terminal

Technical field

The present application relates to, but is not limited to, the field of electronic device technology, and in particular to a terminal.

Background technique

At present, in the stacking process of some terminal projects, the thickness and cost of the whole machine need to meet the requirements of the product line, but the speaker often becomes the thickness bottleneck of the stacking process. The traditional rear-sounding speaker is designed with two layers of wall thickness plus two layers of sealing material and a layer of dust-proof net, which will directly affect the thickness of the whole machine.

In addition, the current speaker bracket is mainly a plastic bracket, or a stainless steel in-mold injection bracket. The above-mentioned plastic support has a thick thickness defect, and can not effectively meet the thickness requirement of the whole machine; the above-mentioned partial use of the stainless steel piece in-mold injection bracket has a high cost defect.

Summary of invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The present application provides a terminal that can effectively reduce the overall thickness of the front sound cavity of the speaker, thereby effectively reducing the overall thickness of the terminal; and further, can effectively simplify the assembly operation of the speaker.

The present application provides a terminal, including a housing, a speaker, and a bracket; the speaker is fixed on the bracket by a limiting structure, and a sealing body is disposed between the speaker and the housing, the speaker, the sealing body, and The cavity formed by the housing serves as the front sound chamber of the speaker.

The above terminal may also have the following features.

The bracket is provided with a mounting slot in which the speaker is fixed.

The above terminal may also have the following features.

The limiting structure includes at least one of: a limiting rib disposed on an inner sidewall of the mounting groove, and a limiting rib disposed on an outer sidewall of the speaker.

The above terminal may also have the following features.

The speaker is in an interference fit connection with the mounting groove of the bracket.

The above terminal may also have the following features.

The outer edge end surface of the bracket is flush with the outer edge end surface of the speaker.

The above terminal may also have the following features.

The sealing body is also disposed between the housing and an outer edge end surface of the bracket.

The above terminal may also have the following features.

The sealing body comprises a foam.

The above terminal may also have the following features.

The housing is a battery case;

The battery case includes a plastic case, a ceramic case, a metal case, or a glass case.

The above terminal may also have the following features.

A side of the bracket away from the housing is provided with a circuit board, the bracket is fixedly connected to the circuit board, and the contact elastic piece of the speaker is crimped on the circuit board.

The above terminal may also have the following features.

An sound hole is further disposed on the casing, and an air filter is attached to an inner side of the sound hole.

The application can realize the position fixing of the speaker on the bracket through the above-mentioned setting structure of the limiting structure, the speaker, the casing and the sealing body, and can form an outer peripheral end surface and a shell different from the existing front sound chamber structure. A sealing body may be directly disposed between the inner walls of the body to achieve the sealing performance required for the front sound chamber of the speaker; the whole front cavity structure generally involves fewer components, and can further reduce the overall size of the terminal, and can Effectively simplify the assembly of the speaker.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

1 is a partial structural schematic view of Embodiment 1 of the present invention;

2 is a schematic view showing an explosion structure according to Embodiment 1 of the present invention;

3 is a schematic structural view of a speaker according to Embodiment 1 of the present invention;

4 is a schematic structural view of a speaker stand according to Embodiment 1 of the present invention;

FIG. 5 is a schematic partial structural diagram of Embodiment 2 of the present invention.

Illustration:

1-speaker bracket, 2-dust net, 3-speaker, 4-adhesive, 5-shell, 6-seal, 7-front case, 8-board, 9-position rib.

Detailed

Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Embodiment 1:

As shown in FIG. 1 and FIG. 2, a first embodiment of the present invention provides a terminal. The main structure includes a housing 5, a speaker 3, a speaker bracket 1, a sealing body 6, and a circuit board 8. The housing 5 is provided with a sound. a hole; wherein the speaker holder 1 and the circuit board 8 are fixedly connected, the speaker 3 is fixed on the speaker holder 1, and the sealing body 6 is disposed between the outer edge end surface of the speaker 3 and the inner wall of the housing 5, the speaker 3, the sealing body 6 and The cavity formed by the housing 5 serves as a front sound chamber of the speaker 3.

In the present embodiment, by directly providing a sealing body 6 between the outer end surface of the speaker 3 and the inner wall of the casing 5, not only the sealing performance required for the front sound chamber of the speaker 3 is achieved. Wherein, the sealing body 6 can adopt a certain thickness of foam, the foam has good sealing performance, and also has the beneficial technical characteristics of low cost; the foam can be pasted on the outer edge of the speaker, and the assembly operation is simple and easy. Row.

In the embodiment, the speaker holder 1 is provided with a mounting groove for mounting the speaker 3, and the speaker 3 is fixed in the mounting groove.

In actual operation, the installation space of the above-mentioned mounting slot can provide an independent installation space for the speaker 3, and the convenient installation operation of the speaker 3 can be realized; the mounting slot can be provided with a penetrating structure, and the side of the bracket 1 near the sound hole is not Provided with a similar baffle structure in the prior art, It is possible to effectively avoid the sealing failure of the sealing body 6 due to the restriction of the baffle, and it is possible to ensure that the sealing body 6 is directly disposed between the outer end surface of the speaker 3 and the inner wall of the casing 5. Wherein, the bracket comprises a plastic bracket of a certain thickness, or a bracket of a stainless steel sheet in-mold injection; the bracket is not provided with a similar baffle structure in the prior art, and thus the overall thickness dimension is lower than that of the prior art bracket. The thickness dimension, in turn, can reduce the thickness of the terminal machine and the manufacturing cost.

In this embodiment, the housing 5 is a battery case, and the sealing body 6 is attached to the outer end surface of the speaker 3. The outer end surface of the sealing body 6 is in close contact with the inner wall of the battery case, thereby effectively ensuring the front sound chamber. Good sealing performance; wherein the battery case can be a plastic case, or a ceramic case, or a metal case, or a glass case; those skilled in the art can select a corresponding battery case according to practical application scenarios. . The inner wall of the battery case has a relatively smooth plane to improve the sealing stability of the sealing body 6 and finally ensure the sealing performance of the front sound chamber as a whole.

In order to improve the sealing performance of the front sound chamber, in the embodiment, the outer end surface of the speaker holder 1 is flush with the outer edge surface of the speaker 3. In the present embodiment, the outer edge end surface of the speaker or the outer edge end surface of the outer edge end surface of the speaker holder 1 refers to the end surface of the speaker or speaker holder 1 adjacent to the housing side.

In actual operation, the sealing body 6 is further disposed between the housing 5 and the outer end surface of the speaker holder 1; that is, the sealing body 6 can cover the outer end surface of the speaker holder 1 and the outer edge end surface of the speaker 3, The effective sealing between the speaker 3 and the casing 5 can be ensured, and the seal between the speaker holder 1 and the casing 5 can be ensured, thereby further improving the sealing performance of the entire front sound chamber. Wherein, the outer edge of the speaker bracket 1 and the outer edge of the speaker are arranged to ensure the sealing stability of the sealing body 6 effectively, and the sealing failure caused by the drop of the end surface can be effectively avoided. In the present embodiment, since the ring-shaped sealing body 6 is to simultaneously seal the speaker and the speaker holder 1, it is necessary to widen the sealing width. In actual implementation, the sealing body 6 is attached to the outer end surface of the speaker holder 1 or may be attached to the inner wall of the housing to simplify the assembly operation.

In this embodiment, a circuit board 8 is disposed on a side of the speaker holder 1 away from the housing 5, and a contact elastic piece of the speaker 3 is crimped on the circuit board 8; wherein an air filter 2 is attached to the inner side of the sound hole. The housing 5 is provided as a rear case or a battery cover, and the circuit board 8 is disposed adjacent to the front case 7. One side.

In actual operation, the circuit board 8 can be fixed on the speaker bracket 1 , and the contact springs of the speaker 3 can be crimped onto the corresponding contacts on the circuit board 8 to realize signal transmission operation; The setting is designed to ensure the internal cleaning of the front sound chamber, which can effectively prevent the sound quality damage caused by foreign matter entering the front sound chamber.

In order to effectively improve the connection stability between the speaker 3 and the speaker stand 1, in this embodiment, the speaker 3 and the mounting groove of the speaker stand 1 may be connected by an interference fit.

The above interference fit connection can be implemented as follows:

As shown in FIG. 3, the outer side wall of the speaker 3 is provided with a limiting rib 9, that is, the limiting rib 9 disposed on the outer side wall of the speaker 3 constitutes a corresponding limiting structure.

In practice, a sidewall rib 9 is disposed on one side wall or a plurality of sidewalls of the speaker 3, and the limiting rib 9 is intended to achieve an interference fit connection between the speaker 3 and the speaker 3 to effectively ensure the speaker. 3 connection stability with the speaker stand 1.

As shown in FIG. 4, the inner side wall of the mounting groove is provided with a limiting rib 9, that is, the limiting rib 9 disposed on the inner side wall of the mounting groove constitutes a corresponding limiting structure.

In actual operation, a limited rib 9 may be disposed on one side wall or a plurality of side walls of the mounting groove, and the limiting rib 9 may generate a certain amount of interference with the side wall of the speaker 3, such as interference of 0.05 mm. The amount of the speaker 3 is relatively stably fixed in the mounting groove to form a corresponding interference fit connection; alternatively, the limiting rib 9 can also form a zero clearance fit with the side wall of the speaker 3, and can also ensure the speaker 3 Stable connection with the speaker 3; during the installation process, the speaker 3 can be directly installed into the mounting slot, which enables convenient installation operation.

A limiting rib 9 is disposed on the outer side wall of the speaker 3 and the inner side wall of the mounting groove, that is, the limiting rib 9 disposed on the outer side wall of the speaker 3 and the limiting rib 9 disposed on the inner side wall of the mounting groove are combined The corresponding limit structure.

In actual operation, one or more side walls of the speaker 3 and one or more side walls of the mounting groove may be provided with a finite rib 9 , and the structure is a combination of the foregoing two arrangement modes, and the speaker 3 and the speaker can also be realized. Interference fit between 3 connections. A person skilled in the art can select a corresponding setting scheme according to actual conditions, and the above-mentioned limiting rib 9 can be selectively disposed on the side wall of the mounting groove. The upper side of the speaker 3 or the side wall of the speaker 3 or both are provided with a limiting rib 9 to enable an interference fit connection between the speaker 3 and the speaker holder 1.

Embodiment 2:

A second embodiment of the present invention provides a terminal. The main structure is similar to that of the first embodiment, and includes a housing, a speaker, a speaker bracket, a sealing body, and a circuit board. For the setting of the main structure, refer to the description in the first embodiment. The purpose is to explain the difference between the two.

As shown in FIG. 5, in the present embodiment, the outer side wall of the speaker 3 and/or the inner side wall of the mounting groove are coated with an adhesive 4 to achieve a stable connection between the speaker 3 and the speaker holder 1.

In actual operation, the adhesive glue 4 can be disposed in conjunction with the limit ribs described in the first embodiment to achieve an adhesive connection at the same time as the interference fit formed by the limit ribs to realize the speaker 3 The double connection with the speaker stand 1 can effectively improve the connection stability between the speaker 3 and the speaker stand 1. Correspondingly, the arrangement of the adhesive glue 4 can also be implemented independently, that is, the adhesive connection is only achieved by the adhesive 4 between the speaker 3 and the mounting groove, and the above-mentioned bonding connection can also be arranged to a certain extent. The connection stability between the speaker 3 and the speaker stand 1 is ensured.

Embodiment 3:

A third embodiment of the present invention provides a terminal. The main structure is similar to that of the first embodiment, and includes a housing, a speaker, a speaker bracket, a sealing body, and a circuit board. For the setting of the main structure, refer to the description in the first embodiment. The purpose is to explain the difference between the two.

In this embodiment, the speaker bracket and the housing may be an integrally formed structure, and the bracket may be a protruding rib disposed on the inner side of the housing.

In actual operation, the speaker bracket may be part of the housing, that is, during the manufacturing process of the housing, direct injection molding forms corresponding protruding ribs to form a mounting groove for accommodating the speaker and an end portion for mounting the circuit board. The above-mentioned integrated molding structure can simplify the actual installation operation and effectively improve the assembly efficiency of the assembly.

According to the descriptions of the first embodiment, the second embodiment, and the third embodiment, the present application can realize the position fixing of the speaker on the bracket through the arrangement of the above-mentioned limiting structure, the speaker, the casing and the sealing body, and can be formed differently from the bracket. The front cavity structure of the prior art, the outer edge of the above speaker A sealing gasket may be directly disposed between the end surface and the inner wall of the casing to achieve the sealing performance required for the front sound chamber of the speaker; the whole of the front sound chamber structure involves fewer components, and the overall size of the terminal can be further reduced. .

The application can also provide independent installation space for the speaker through the setting of the above-mentioned installation slot, and can realize convenient installation operation of the speaker; the installation slot can be provided with a penetrating structure, and the side of the mounting slot close to the sound hole is not provided. The similar baffle structure in the art can effectively avoid the seal seal failure caused by the baffle limitation, and can ensure that the seal is directly disposed between the outer end face of the speaker and the inner wall of the casing.

The application can also improve the connection stability between the speaker and the speaker bracket through the interference fit between the speaker and the mounting groove of the speaker bracket; the finite rib can be set on the inner side wall of the mounting groove, or the speaker A limiting rib is arranged on the outer side wall, or a rib is arranged on the outer side wall of the speaker and the inner side wall of the mounting groove to realize a corresponding interference fit connection.

The application can also cover the outer edge end surface of the speaker bracket and the outer edge end surface of the speaker through the above-mentioned gasket, thereby ensuring an effective sealing between the speaker and the casing, and also ensuring a seal between the speaker bracket and the casing, and further The sealing performance of the front sound chamber can be effectively improved; wherein the outer edge of the speaker bracket and the outer edge of the speaker can effectively ensure the sealing stability of the sealing gasket, and can effectively avoid the sealing failure caused by the drop of the end surface. .

In the description of the present application, the terms "installation", "connected", "connected", "fixed", etc., should be understood broadly. For example, "connecting" may be a fixed connection, a detachable connection, or an integral Connections; they can be connected directly or indirectly through intermediate media. For those skilled in the art, the meaning of the above terms in the present application can be understood according to actual conditions.

In the description of the present specification, the description of the terms "one embodiment", "some embodiments" and the like means that the features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application. in. In the present specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the described features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments disclosed in the embodiments of the present invention are as described above, but are merely used to facilitate the understanding of the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. Any of this EMBODIMENT OF THE INVENTION The present invention can be modified and changed in the form and details of the embodiments without departing from the spirit and scope of the embodiments of the present invention. The scope must still be determined by the scope of the appended claims.

Industrial applicability

Claims

A terminal includes a housing, a speaker, and a bracket; wherein

The speaker is fixed on the bracket by a limiting structure, and a sealing body is disposed between the speaker and the housing, and the cavity formed by the speaker, the sealing body and the housing serves as a front sound chamber of the speaker.
The terminal according to claim 1, wherein

The bracket is provided with a mounting slot in which the speaker is fixed.
The terminal according to claim 2, wherein

The limiting structure includes at least one of: a limiting rib disposed on an inner sidewall of the mounting groove, and a limiting rib disposed on an outer sidewall of the speaker.
The terminal according to claim 2 or 3, wherein

The speaker is in an interference fit connection with the mounting groove of the bracket.
The terminal according to claim 2 or 3, wherein

The outer edge end surface of the bracket is flush with the outer edge end surface of the speaker.
The terminal according to claim 5, wherein

The sealing body is also disposed between the housing and an outer edge end surface of the bracket.
The terminal according to claim 6, wherein

The sealing body comprises a foam.
The terminal according to claim 6, wherein

The housing is a battery case;

The battery case includes a plastic case, a ceramic case, a metal case, or a glass case.
The terminal according to claim 2 or 3, wherein

A side of the bracket away from the housing is provided with a circuit board, the bracket is fixedly connected to the circuit board, and the contact elastic piece of the speaker is crimped on the circuit board.
The terminal according to claim 2 or 3, wherein

An sound hole is further disposed on the casing, and an air filter is attached to an inner side of the sound hole.