CN106453756A - Terminal housing and terminal - Google Patents

Abstract

The invention discloses a terminal shell and a terminal. The shell is internally provided with an installation cavity suitable for accommodating the electroacoustic component, the shell is provided with a sound outlet communicated with the installation cavity, one end of the sound outlet close to the installation cavity is provided with a first opening, one end of the sound outlet far away from the installation cavity is provided with a second opening, and the cross-sectional area of the first opening is larger than that of the second opening. According to the housing of the terminal, the cross-sectional area of the sound outlet hole close to the first opening of the mounting cavity is larger than that of the sound outlet hole far away from the second opening of the mounting cavity, so that sound can be smoothly transmitted out of the sound outlet hole, external dust can be prevented from entering the housing from the sound outlet hole or being accumulated at the sound outlet hole, the dustproof performance of the housing is improved, the blocking of the housing to the sound is reduced, and the sound outlet volume of the terminal is increased.

Description

Terminal housing and terminal

technical field

The present invention relates to the technical field of communications, and in particular, to a terminal casing and a terminal.

Background technique

In the related art, a mobile terminal (such as a mobile phone) is provided with an electro-acoustic component, and the sound emitted by the electro-acoustic component is transmitted through a through hole in the shell of the terminal. Since the sound outlet is connected to the external connection, if the sound outlet is too large, dust and impurities from the outside will easily enter the shell from the sound outlet, which will easily cause damage to the internal parts of the shell; if the sound outlet is too small, the electroacoustic It is difficult for the sound from the components to come out from the sound hole, so that the volume of the electro-acoustic components is low or there is no sound, which affects the user's experience.

Contents of the invention

The present invention aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the present invention proposes a housing of a terminal, which has the advantages of good dustproof effect and high call volume.

The present invention also proposes a terminal, the terminal has the above-mentioned terminal casing.

According to the housing of the terminal according to the embodiment of the present invention, the housing has an installation cavity suitable for accommodating electro-acoustic components, and the housing is provided with a sound outlet communicating with the installation cavity, and the sound outlet is An end close to the installation cavity has a first opening, an end of the sound outlet hole away from the installation cavity has a second opening, and the first opening is larger than the second opening.

According to the shell of the terminal in the embodiment of the present invention, by making the first opening of the sound hole close to the installation cavity larger than the second opening far away from the installation cavity, not only can the sound be smoothly transmitted from the sound hole, It can also prevent external dust from entering the shell from the sound hole or dust accumulation at the sound hole, thereby improving the dustproof performance of the shell, reducing the sound blocking of the shell, and increasing the output volume of the terminal .

According to an embodiment of the present invention, the cross-sectional area of the first opening is larger than the cross-sectional area of the second opening.

According to an embodiment of the present invention, the sound outlet hole includes: a first hole segment, one end of which is configured as the first opening; and a second hole segment, the second hole segment One end communicates with the other end of the first hole section, the other end of the second hole section is configured as the second opening, the cross-sectional area of the first hole section is larger than the cross-sectional area of the second hole section cross-sectional area.

According to an embodiment of the present invention, in the direction from the first opening to the second opening, the cross-sectional area of the first hole segment decreases gradually.

According to an embodiment of the present invention, both the cross-sectional area of the first hole segment and the cross-sectional area of the second hole segment are constant values.

According to an embodiment of the present invention, both the first hole segment and the second hole segment are round holes.

According to an embodiment of the present invention, the cross-sectional area of the first opening is S1, the cross-sectional area of the second opening is S2, and the S1 and S2 satisfy: 0.1≤S2/S1≤0.4.

According to an embodiment of the present invention, the S1 and the S2 satisfy: 0.2≤S2/S1≤0.3.

According to an embodiment of the present invention, the housing includes: a display screen cover, on which a through hole is provided; a front cover, on which the display screen cover is embedded, so that The sound outlet is provided on the front cover, and the sound outlet is opposite to and communicated with the through hole; the first dust-proof net is sandwiched between the front cover and the display between the screen cover plates to space the through hole from the sound hole; and the back cover, the back cover and the front cover define a cavity, the installation cavity is arranged on the front cover and communicates with the chamber.

The terminal according to the embodiment of the present invention includes: a housing, the housing is the housing as described above; an electro-acoustic component, the electro-acoustic component is embedded in the installation cavity, and the electro-acoustic component The sound outlet is opposite to the sound outlet; and a second dust-proof net, the second dust-proof net is attached to the sound outlet.

According to the terminal of the embodiment of the present invention, by setting the cross-sectional area of the first opening close to the installation cavity of the sound hole to be larger than the cross-sectional area of the second opening far away from the installation cavity, not only can the sound be smoothly It can also prevent external dust from entering the shell from the sound hole or dust accumulation at the sound hole, thereby improving the dustproof performance of the shell and reducing the sound blocking of the shell. Increased the output volume of the terminal.

According to an embodiment of the present invention, an adhesive layer is provided between the second dust-proof net and the electro-acoustic component.

Description of drawings

FIG. 1 is a schematic diagram of a partial structure of a terminal according to an embodiment of the present invention;

FIG. 2 is an exploded diagram of a terminal according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a partial structure of a terminal according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a partial structure at point A in FIG. 3 .

Reference signs:

housing 100, chamber 101,

Display cover 110, through hole 111,

Front cover 120, installation cavity 121, sound hole 123, insertion groove 126,

The first hole segment 124, the first opening 124a,

The second hole segment 125, the second opening 125a,

The first dustproof net 130, the bent part 131,

back cover 140,

terminal 200,

Electro-acoustic assembly 210, sound output part 211,

The second dustproof net 220, the adhesive layer 221,

PCB board 230.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The housing 100 of the terminal 200 according to the embodiment of the present invention will be described in detail below with reference to FIGS. It should be noted that the "terminal" (also referred to as "communication terminal") as used herein includes, but is not limited to, configured to be connected via a wired line (such as via a public switched telephone network (PSTN), digital subscriber line ( DSL), digital cable, direct cable connection, and/or another data connection/network) and/or via (e.g., for cellular networks, wireless local area networks (WLAN), digital television networks such as DVB-H networks, satellite networks, An AM-FM broadcast transmitter, and/or a device for receiving/transmitting communication signals via a wireless interface of another communication terminal. Terminals arranged to communicate over a wireless interface may be referred to as "wireless communication terminals", "wireless terminals" and/or "mobile terminals". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communications Systems (PCS) terminals that may combine cellular radiotelephones with data processing, facsimile, and data communication capabilities; may include radiotelephones, pagers, Internet/Intranet access , a PDA with a web browser, organizer, calendar, and/or Global Positioning System (GPS) receiver; and a conventional laptop and/or palm-type receiver or other electronic device including a radiotelephone transceiver.

As shown in FIGS. 1-4 , according to the housing 100 of the terminal 200 according to the embodiment of the present invention, the housing 100 has an installation cavity 121 suitable for accommodating the electro-acoustic component 210 . As shown in Figure 2, the housing 100 is provided with a sound outlet 123 communicating with the installation cavity 121. During assembly, the sound outlet 211 of the electro-acoustic assembly 210 can be opposite to the sound outlet 123, thus the sound output from the electro-acoustic assembly The sound from 210 can be transmitted smoothly through the sound hole 123 . An end of the sound outlet hole 123 close to the installation cavity 121 has a first opening 124a, and an end of the sound outlet hole 123 away from the installation cavity 121 has a second opening 125a. That is to say, one end of the sound hole 123 communicates with the outside world through the first opening 124a ("outside" here refers to the outside world in a broad sense, which can refer to a space spaced from the installation cavity 121 and located outside the installation cavity 121), and One end communicates with the installation cavity 121 through the second opening 125a.

In the related art, since the sound outlet 123 is connected with the external connection, if the sound outlet 123 is too large, the external dust and impurities can easily enter the interior of the housing 100 from the sound outlet 123 or the dust will accumulate at the sound outlet 123. Then it is easy to cause damage to the internal parts of the housing 100 or block the sound outlet 123; There is no sound, which affects the user experience. As shown in Figures 1-4, the first opening 124a is larger than the second opening 125a, so that not only the sound can be smoothly transmitted from the sound outlet 123, but also the external dust can be prevented from entering the housing 100 through the sound outlet 123. internal.

According to the housing 100 of the terminal 200 in the embodiment of the present invention, by setting the first opening 124a of the sound hole 123 close to the installation cavity 121 to be larger than the second opening 125a on it far away from the installation cavity 121, not only can the sound Passing out from the sound outlet 123 smoothly can also prevent external dust from entering the interior of the housing 100 from the sound outlet 123 or dust accumulation at the sound outlet 123, thereby improving the dustproof performance of the housing 100 and reducing the The casing 100 blocks the sound, which increases the output volume of the terminal 200 .

According to one embodiment of the present invention, as shown in FIGS. 1-4 , the cross-sectional area of the first opening 124a is larger than that of the second opening 125a, so that the sound can be smoothly transmitted from the sound hole 123 , can also prevent external dust from entering the housing 100 from the sound outlet hole 123 or dust accumulation at the sound outlet hole 123 .

According to an embodiment of the present invention, as shown in FIG. 2 and FIG. 4 , the sound outlet hole 123 may include: a first hole segment 124 and a second hole segment 125 . Wherein, one end of the first hole section 124 is configured as a first opening 124a, one end of the second hole section 125 communicates with the other end of the first hole section 124, and the other end of the second hole section 125 is configured as a second opening 125a , the cross-sectional area of the first hole segment 124 is larger than the cross-sectional area of the second hole segment 125 . Thus, the first hole section 124 can be used to collect sound and transmit the sound to the outside of the installation cavity 121, and at the same time, the second hole section 125 can be used to shield the dust and other impurities outside the installation cavity 121 from the outside of the housing 100, thereby improving the The dustproof performance of the housing 100 also reduces the sound resistance of the housing 100 .

According to an embodiment of the present invention, as shown in FIGS. 3-4 , in the direction from the first opening 124 a to the second opening 125 a, the cross-sectional area of the first hole segment 124 gradually decreases. Thus, dust can be effectively prevented from accumulating at the sound outlet 123 , thereby reducing the possibility of dust and other impurities blocking the sound outlet 123 , and at the same time increasing the sound outlet area and reducing the sound resistance of the casing 100 .

It should be noted that the shape of the first hole segment 124 is not limited thereto, for example, in another example of the present invention, the cross-sectional area of the first hole segment 124 and the cross-sectional area of the second hole segment 125 are constant values . That is to say, the cross-sectional area of the first hole segment 124 at any position is S1, and the cross-sectional area of the second hole segment 125 at any position is S2, and S1>S2. Therefore, the processing procedure can be simplified and the production cost can be saved. Further, both the first hole section 124 and the second hole section 125 are round holes, thereby further simplifying the processing of the sound hole 123 .

According to an embodiment of the present invention, the cross-sectional area of the first opening 124a is S1, and the cross-sectional area of the second opening 125a is S2, and S1 and S2 satisfy: 0.1≤S2/S1≤0.4. In this way, not only can dust be prevented from gathering at the sound outlet 123 , and the possibility of dust and other impurities blocking the sound outlet 123 can be reduced, but also the sound outlet area can be increased, reducing the sound resistance of the casing 100 . Further, it has been verified by experiments that when S1 and S2 satisfy: 0.2≤S2/S1≤0.3, the effect of preventing dust from gathering at the sound outlet 123 is better, and the casing 100 blocks sound less.

According to an embodiment of the present invention, as shown in FIGS. 1-4 , the housing 100 may include: a display screen cover 110 , a front cover 120 , a first dustproof filter 130 and a rear cover 140 . Wherein, the display cover 110 is provided with a through hole 111 and the display cover 110 is embedded in the front cover 120 , and the sound hole 123 is provided in the front cover 120 . As shown in FIG. 2 and FIG. 4 , the sound outlet hole 123 is opposite to and communicated with the through hole 111 , and the sound can be transmitted to the outside of the casing 100 through the sound outlet hole 123 . The first dust-proof net 130 is interposed between the front cover 120 and the display screen cover 110 to separate the through hole 111 from the sound outlet 123 , thereby preventing impurities such as dust from entering the sound outlet 123 .

Further, as shown in FIG. 2 , the first dust-proof net 130 may have a bent portion 131, and the bent portion 131 extends into the through hole 111, thereby further preventing dust, impurities, etc. from entering the sound hole 123 Inside. As shown in FIG. 2 , there is an embedding groove 126 on the side wall facing the display screen cover 110 on the housing 100 , and the edge of the first dust-proof net 130 can be embedded in the embedding groove 126 , thereby making the housing 100 The structure is more compact and reasonable. As shown in FIGS. 1 and 3 , the rear cover 140 and the front cover 120 define a cavity 101 , and the installation cavity 121 is disposed on the front cover 120 and communicates with the cavity 101 . It should be noted that components of the terminal 200 can be placed in the chamber 101 , such as PCB board 230 , battery and other components, and the electroacoustic component 210 can be electrically connected with the PCB board 230 .

The terminal 200 according to the embodiment of the present invention will be described in detail below with reference to FIGS. 1-4 . The terminal 200 includes: an electro-acoustic component 210 , a second dust-proof net 220 and the casing 100 as described above.

Specifically, the electro-acoustic component 210 is embedded in the installation cavity 121, and the sound output part 211 of the electro-acoustic component 210 is opposite to the sound output hole 123, and the sound is transmitted from the electro-acoustic component 210 to the shell through the sound output hole 123. body 100 exterior. The second dust-proof net 220 is pasted on the sound output portion 211 of the electro-acoustic component 210 , thereby further preventing dust, impurities, etc. from contacting the electro-acoustic component 210 or entering into the installation cavity 121 .

According to the terminal 200 of the embodiment of the present invention, by setting the cross-sectional area of the first opening 124a of the sound hole 123 close to the installation cavity 121 to be larger than the cross-sectional area of the second opening 125a far away from the installation cavity 121, thereby Not only can the sound be smoothly transmitted from the sound outlet 123, but also prevent external dust from entering the interior of the housing 100 through the sound outlet 123, thereby improving the dustproof performance of the housing 100 and reducing the impact of the housing 100 on the sound. block, increasing the output volume of the terminal 200.

According to an embodiment of the present invention, as shown in FIG. 2 , an adhesive layer 221 is provided between the second dust-proof net 220 and the electro-acoustic component 210 . Thus, the second dust-proof net 220 can be firmly installed between the electro-acoustic assembly 210 and the casing 100 .

The terminal 200 according to the embodiment of the present invention will be described in detail below by using two specific examples with reference to FIG. 1 to FIG. 4 . It should be understood that the following description is only an illustration rather than a specific limitation to the present invention.

For convenience of description, a mobile phone is taken as an example to introduce the terminal 200 equipment applicable to the present invention. In this embodiment, the mobile phone may include a housing 100, a PCB board 230, a battery, a memory, an input unit, a wireless fidelity (WiFi, wirelessfidelity) module, a sensor, an audio circuit, a processor, a projection unit, a camera unit and other components. Wherein, the cavity 101 is defined in the housing 100, and components such as the PCB board 230, battery, memory, input unit, wireless fidelity (WiFi, wireless fidelity) module, sensor, audio circuit, processor, projection unit, and shooting unit can be Set in the chamber 101 ; components such as a battery, a memory, and a processor can be set on the PCB 230 and electrically connected to the PCB 230 .

The radio frequency circuit can be used to receive and send signals during the process of sending and receiving information or talking. In particular, after receiving the downlink information of the base station, it is processed by the processor; in addition, the uplink data of the mobile phone is sent to the base station. Typically, radio frequency circuitry includes, but is not limited to, an antenna, at least one amplifier, transceiver, coupler, low noise amplifier, duplexer, and the like. In addition, radio frequency circuits can also communicate with networks and other devices through wireless communication. The above wireless communication can use any communication standard or protocol, including but not limited to Global System for Mobile Communications (GSM, Global System for Mobile communication), General Packet Radio Service (GPRS, General Packet Radio Service), Code Division Multiple Access (CDMA, Code Division Multiple Access), Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access), Long Term Evolution (LTE, Long Term Evolution), email, Short Message Service (SMS, Short Messaging Service), etc.

The memory can be used to store software programs and modules, and the processor executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory. The memory can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.); The data created by the use (such as audio data, phone book, etc.) and so on. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

The input unit can be used to receive input numbers or character information, and generate key signals related to user settings and function control of the mobile phone. Specifically, the input unit may include a touch panel and other input devices. The touch panel, also known as the touch screen, can collect the user's touch operation on or near it (such as the user's operation on the touch panel or near the touch panel by using any suitable object or accessory such as a finger, a stylus), And drive the corresponding connection device according to the preset program.

A display screen and a display cover 110 covering the display screen can be embedded on the outer surface of the housing 100, and the display screen can be used to display information input by or provided to the user and various menus of the mobile phone. In addition, the mobile phone may further include at least one sensor, such as an attitude sensor, a light sensor, and other sensors.

Specifically, the attitude sensor can also be called a motion sensor, and as one of the motion sensors, a gravity sensor can be cited. The gravity sensor uses elastic sensitive elements to make a cantilever displacement device, and uses an energy storage device made of elastic sensitive elements. The spring drives the electrical contact, so as to convert the change of gravity into the change of electrical signal.

The audio circuit, the electro-acoustic component 210 (the electro-acoustic component 210 can be a receiver, a speaker or an earpiece) and a microphone can provide an audio interface between the user and the mobile phone. The audio circuit can transmit the electrical signal converted from the received audio data to the electro-acoustic component 210, and the electro-acoustic component 210 converts it into a sound signal output; on the other hand, the microphone converts the collected sound signal into an electrical signal, and the audio After the circuit receives it, it converts it into audio data, and then outputs the audio data to the processor for processing, and then sends it to another mobile phone through a radio frequency circuit, or outputs the audio data to a memory for further processing.

WiFi is a short-distance wireless transmission technology. The mobile phone can help users send and receive emails, browse the web, and access streaming media through the WiFi module. It provides users with wireless broadband Internet access.

The processor is the control center of the mobile phone. It uses various interfaces and lines to connect various parts of the entire mobile phone. By running or executing software programs and/or modules stored in the memory, and calling data stored in the memory, it executes various functions of the mobile phone. Various functions and processing data, so as to monitor the mobile phone as a whole. Optionally, the processor may include one or more processing units; preferably, the processor may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, etc., and the modulation The demodulation processor mainly handles wireless communication.

Example 1:

As shown in FIGS. 1-2 , in this embodiment, the housing 100 of the mobile phone includes: a display screen cover 110 , a front cover 120 , a first dustproof net 130 and a rear cover 140 . Wherein, the display screen cover 110 is provided with a through hole 111 and the display screen cover 110 is embedded on the outer surface of the front cover 120 , and the sound hole 123 is provided on the front cover 120 . As shown in FIG. 2 , the sound outlet hole 123 is opposite to and communicated with the through hole 111 , and the sound can be transmitted to the outside of the casing 100 through the sound outlet hole 123 . The first dust-proof net 130 is interposed between the front cover 120 and the display screen cover 110 to separate the through hole 111 from the sound outlet 123 , thereby preventing impurities such as dust from entering the sound outlet 123 .

Further, as shown in FIG. 2 , the first dust-proof net 130 may have a bent portion 131, and the bent portion 131 extends into the through hole 111, thereby further preventing dust, impurities, etc. from entering the sound hole 123 Inside. As shown in FIG. 2 , there is an embedding groove 126 on the side wall facing the display screen cover 110 on the housing 100 , and the edge of the first dust-proof net 130 can be embedded in the embedding groove 126 , thereby making the housing 100 The structure is more compact and reasonable. As shown in FIGS. 1 and 3 , the rear cover 140 and the front cover 120 define a cavity 101 , and the installation cavity 121 is arranged on the front cover 120 and communicates with the cavity 101

The surface of the front cover 120 facing the chamber 101 has an installation chamber 121 suitable for accommodating the electroacoustic assembly 210. The installation chamber 121 communicates with the chamber 101, and the sound outlet 123 communicates with the installation chamber 121. During assembly, the electroacoustic assembly 210 The sound outlet 211 of the sound outlet can be opposite to the sound outlet 123 , so that the sound emitted from the electro-acoustic component 210 can be smoothly transmitted through the sound outlet 123 . As shown in Figure 2, a second dust-proof net 220 is provided between the electro-acoustic component 210 and the inner wall of the installation cavity 101, and the second dust-proof net 220 is bonded to the front cover 120 through an adhesive layer 221, thereby further preventing dust Other impurities enter the installation cavity 121 .

As shown in FIGS. 1-2 , the sound outlet hole 123 may include: a first hole segment 124 and a second hole segment 125 . Wherein, one end of the first hole section 124 is configured as a first opening 124a, and the first opening 124a communicates with the installation cavity 121, and one end of the second hole section 125 communicates with the other end of the first hole section 124, and the second hole section 125 The other end of the second opening 125a is configured as a second opening 125a, and the second opening 125a communicates with one end of the through hole 111, and the other end of the second through hole 111 communicates with the outside world (the "outside" here refers to the outside world in a broad sense, which can refer to The installation cavities 121 are spaced apart and located in a space outside the installation cavities 121 ), the cross-sectional area of the first hole segment 124 is greater than the cross-sectional area of the second hole segment 125 . Thus, the first hole section 124 can be used to collect sound and transmit the sound to the outside of the installation cavity 121, and at the same time, the second hole section 125 can be used to shield the dust and other impurities outside the installation cavity 121 from the outside of the housing 100 to prevent dust, impurities, etc. etc. accumulate in the sound outlet 123 to block the sound outlet 123 , thereby improving the dustproof performance of the housing 100 and reducing the sound resistance of the housing 100 .

As shown in FIG. 2 , the first hole section 124 and the second hole section 125 are both formed as circular holes, and the cross-sectional area of the first hole section 124 and the cross-sectional area of the second hole section 125 are constant values. That is to say, the cross-sectional area of the first hole segment 124 at any position is S1, and the cross-sectional area of the second hole segment 125 at any position is S2, and S1>S2. Therefore, the processing procedure can be simplified and the production cost can be saved. It has been verified by experiments that when S1 and S2 satisfy: 0.2≦S2/S1≦0.3, the effect of preventing dust from gathering at the sound outlet 123 is better, and the casing 100 blocks sound less.

Example 2:

As shown in Figures 3-4, different from Embodiment 1, in this embodiment, in the direction from the first opening 124a to the second opening 125a, the cross-sectional area of the first hole segment 124 gradually decreases . Thus, dust can be effectively prevented from accumulating at the sound outlet 123 , thereby reducing the possibility of dust and other impurities blocking the sound outlet 123 , and at the same time increasing the sound outlet area and reducing the sound resistance of the casing 100 .

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (11)

1. a kind of housing of terminal is it is characterised in that have the installation cavity being suitable to house electroacoustic assembly and described in described housing Housing is provided with the sender connecting with described installation cavity, and one end of the close described installation cavity of described sender has first and opens Mouthful, one end away from described installation cavity of described sender has the second opening, and described first opening is more than described second opening.

2. the housing of terminal according to claim 1 is it is characterised in that the cross-sectional area of described first opening is more than described The cross-sectional area of the second opening.

3. the housing of terminal according to claim 1 is it is characterised in that described sender includes：

First hole section, one end of described first hole section is configured to described first opening；With

Second hole section, one end of described second hole section is connected with the other end of described first hole section, described second hole section another End is configured to described second opening, and the cross-sectional area of described first hole section is more than the cross-sectional area of described second hole section.

4. the housing of terminal according to claim 3 is it is characterised in that from described first opening to described second opening Direction on, the cross-sectional area of described first hole section is gradually reduced.

5. the housing of terminal according to claim 3 is it is characterised in that the cross-sectional area of described first hole section and described The sectional area of two hole sections is definite value.

6. the housing of terminal according to claim 3 is it is characterised in that described first hole section and described second hole section are Circular hole.

7. terminal according to claim 1 housing it is characterised in that described first opening cross-sectional area be S1, institute The cross-sectional area stating the second opening is that S2, described S1 and described S2 meet：0.1≤S2/S1≤0.4.

8. the housing of terminal according to claim 7 is it is characterised in that described S1 and described S2 meets：0.2≤S2/S1 ≤0.3.

9. the housing of terminal according to claim 1 is it is characterised in that described housing includes：

Display screen cover plate, described display screen cover plate is provided with through hole；

Protecgulum, described display screen cover plate is embedded on described protecgulum, and described sender is located on described protecgulum, described sender with Described through hole relatively and connects；

First Air Filter, described first Air Filter be folded between described protecgulum and described display screen cover plate with by described through hole with Described sender is spaced apart；With

Bonnet, described bonnet and described protecgulum limit chamber, and described installation cavity is located on described protecgulum and is connected with described chamber Logical.

10. a kind of terminal is it is characterised in that include：

Housing, described housing is the housing according to any one of claim 1-9；

Electroacoustic assembly, described electroacoustic assembly is embedded in described installation cavity, and described electroacoustic assembly go out line with described go out sound Hole is relatively；With

Second Air Filter, described second Air Filter be sticked described go out line on.

11. terminals according to claim 10 are it is characterised in that set between described second Air Filter and described electroacoustic assembly There is adhesive layer.