CN107995571B - Electronic device, electroacoustic assembly and assembling method thereof - Google Patents

Abstract

The application provides an electronic device, an electroacoustic assembly and an assembling method thereof, wherein the electroacoustic assembly comprises: the device comprises an electroacoustic device, a fixed support and a first dust screen; the fixing support is used for fixing the electroacoustic device, one side of the fixing support is provided with a sound outlet groove, and the sound outlet groove is communicated with a sound cavity of the electroacoustic device; the first dustproof net is arranged on the fixed support to prevent dust in the sound outlet groove; the end part of the fixed support is attached to the first dust screen, the end part is provided with a limiting blocking rib protruding out of the end part, the limiting blocking rib is arranged oppositely, the height of the limiting blocking rib is larger than the thickness of the first dust screen, and the limiting blocking rib is used for supporting an external device of the electronic device. This electroacoustic component's simple structure need not to increase too many processing cost, only need on the fixed bolster integrative mould plastics or bend out spacing fender muscle structure can, have very high market spreading value.

Description

Electronic device, electroacoustic assembly and assembling method thereof

Technical Field

The invention relates to the technical field of internal structures of electronic devices, in particular to an electronic device, an electroacoustic component and an assembling method thereof.

Background

In order to meet the requirements of consumers, mobile digital product manufacturers generally make products smaller in size, more exquisite and better in sound; therefore, in the structural design, the limited space is fully utilized, and the structure of the speaker dust screen is one of the structures.

Structural style among the prior art generally is that dust screen and cushion paste the dress on the outside plane of speaker support, and the dust screen structure that this kind of mode set up is extremely easily scraped partially at the equipment process, and the dust screen of off normal can lead to the speaker gas leakage, and then influences the play sound effect of speaker.

Disclosure of Invention

An aspect of an embodiment of the present application provides an electroacoustic assembly for an electronic device, the electroacoustic assembly including:

an electroacoustic device;

the fixing support is used for fixing the electroacoustic device, one side of the fixing support is provided with a sound outlet groove, and the sound outlet groove is communicated with a sound cavity of the electroacoustic device;

the first dustproof net is arranged on the fixed support to prevent dust of the sound outlet groove;

the end part of the fixed support is attached to the first dust screen, the end part is provided with a limiting blocking rib protruding out of the end part, the limiting blocking rib is arranged oppositely, the height of the limiting blocking rib is larger than the thickness of the first dust screen, and the limiting blocking rib is used for supporting an external device of the electronic device.

Another aspect of the embodiments of the present application further provides an electronic device, including:

a front case including a main body portion and a first blocking portion;

an electroacoustic device;

the fixing support is used for fixing the electroacoustic device, one side of the fixing support is provided with a sound outlet groove, and the sound outlet groove is communicated with a sound cavity of the electroacoustic device;

the first dustproof net is arranged on the fixed support to prevent dust of the sound outlet groove;

the rear shell is covered on the fixed bracket;

the end part of the fixed support is attached to the first dust screen, the end part is provided with a limiting blocking rib protruding out of the end part, the limiting blocking rib is arranged oppositely, the height of the limiting blocking rib is larger than the thickness of the first dust screen, and the limiting blocking rib is used for supporting the first blocking part.

Further, the embodiment of the present application further provides an assembling method of an electronic device, where the electronic device includes a front shell, an electroacoustic device, a first dust screen of a fixing bracket, and a rear shell;

the end part of the fixed support is used for being attached to the first dustproof net, a limiting blocking rib protruding out of the end part is arranged at the end part, the limiting blocking ribs are arranged oppositely, the height of the limiting blocking rib is larger than the thickness of the first dustproof net, and the limiting blocking rib is used for supporting the front shell;

the assembling method comprises the following steps:

mounting the first dust screen to the fixed bracket;

fixedly connecting the fixed support provided with the first dust screen with an electroacoustic device to form a first assembly body;

assembling the first assembly body on the front shell to obtain a second assembly body;

and matching the rear shell with the second assembly body to form the electronic device.

The utility model provides an electroacoustic component for electronic device, through the structure that increases spacing fender muscle on the speaker fixed bolster, at the in-process that carries out electroacoustic component equipment, this spacing fender muscle structure top is held the preceding shell that contacts electronic device, consequently, can avoid electronic device's preceding shell to contact the dust screen, the dust screen just can avoid being scraped like this, can not appear scraping inclined to one side problem yet certainly, the condition of speaker gas leakage more can not appear. This electroacoustic component's simple structure need not to increase too many processing cost, only need on the fixed bolster integrative mould plastics or bend out spacing fender muscle structure can, have very high market spreading value.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic partial structure diagram of an electronic device according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view at D-D of the electronic device in the embodiment of FIG. 1;

FIG. 3 is a schematic cross-sectional view at C-C of the electronic device in the embodiment of FIG. 1;

fig. 4 is a schematic structural view of a front housing of the electro-acoustic assembly;

fig. 5 is a schematic structural view of an electroacoustic assembly fixing bracket;

fig. 6 is a schematic structural view of a rear case of the electro-acoustic module;

FIG. 7 is a schematic view of a first assembly formed by fixedly connecting a fixing bracket and an electroacoustic device at a C-C viewing angle;

FIG. 8 is a schematic diagram of a D-D view structure of a first assembly formed by fixedly connecting a fixing bracket and an electroacoustic device;

FIG. 9 is a schematic view of a second assembly formed by assembling the first assembly with the front case from a perspective of D-D view;

FIG. 10 is a schematic view of a second assembly formed by assembling the first assembly with a front case in a C-C view;

FIG. 11 is a schematic view of an assembled structure of the front case;

FIG. 12 is a cross-sectional view from a first perspective of another embodiment of an electronic device of the present application;

FIG. 13 is an enlarged, fragmentary schematic view of the electronic device of FIG. 12;

FIG. 14 is a schematic cross-sectional view of the electronic device of FIG. 12 from another perspective;

fig. 15 is a schematic overall structure diagram of an embodiment of an electronic device according to the present application.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Similarly, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive work are within the scope of the present invention.

The terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1

Referring to fig. 1-3, fig. 1 is a schematic partial structure diagram of an embodiment of an electronic device according to the present application; fig. 2 is a schematic cross-sectional view at D-D of the electronic device in the embodiment of fig. 1, and fig. 3 is a schematic cross-sectional view at C-C of the electronic device in the embodiment of fig. 1. It should be noted that, the electronic device in the present application may include an electronic device with a speaker structure, such as a mobile phone, a tablet computer, a notebook computer, and a wearable device. The electronic device comprises a front shell 110, an electroacoustic device 120, a fixing bracket 130, a first dust screen 140 and a rear shell 150, wherein the electroacoustic device in the present application may be a speaker unit or a receiver unit, etc., which are not listed one by one in the understanding scope of the skilled person; in addition, the external device of the electronic device in the present application may be the front case 110 or the rear case 150, which will be described in detail later.

Specifically, referring to fig. 4, fig. 4 is a schematic structural diagram of a front shell of an electroacoustic component, the front shell 110 includes a main body 111 and a first blocking portion 112, the first blocking portion 112 is disposed on a first surface 1111 of the main body 111, and a sound outlet hole 1121 is disposed on the first blocking portion 112. Referring to fig. 3, the electroacoustic device 120 is fixedly disposed on the first surface 1111 of the main body 111.

Referring to fig. 3 and 5, fig. 5 is a schematic structural diagram of an electroacoustic assembly mounting bracket, in which the mounting bracket 130 is used to support the electroacoustic device 120 and is fixed to the first surface 1111 of the main body 111 to cooperate with the front housing 110 to fix the electroacoustic device 120 from two sides, i.e. to define the position of the electroacoustic device 120 in the Z direction in fig. 1.

The fixing bracket 130 includes a fixing support 131, a sound emitting portion 132 and a connecting portion 133, the sound emitting portion 132 and the connecting portion 133 are respectively disposed at two ends of the fixing support 131, the connecting portion 133 is fixedly connected to the front housing 110, optionally, a soft gasket 160 is further disposed between the connecting portion 133 of the fixing bracket 130 and the front housing 110, and two sides of the soft gasket 160 are respectively bonded to the connecting portion 133 and the first surface 1111 of the front housing 110.

The sound outlet portion 132 is provided with a sound outlet slot 1321, and an end surface of the sound outlet portion 132 is provided with a limit retaining wall 1322 and a limit retaining rib 1324. Specifically, the limit wall 1322 is disposed at an outer end of the sound emitting portion 132 near a side edge of the rear case 150, and the limit wall 1322 is used to limit the position of the first dust screen 140 near the side of the rear case 150. Referring to fig. 2, the limiting ribs 1324 are disposed adjacent to two opposite sides of the first dust screen 140, the height of the limiting ribs 1324 is greater than the thickness of the first dust screen 140, and the limiting ribs 1324 are configured to support and contact the front shell 110 of the electronic device, so as to prevent the front shell 110 of the electronic device from contacting the first dust screen 140 during the assembly process, and further prevent the first dust screen 140 from being scraped. During assembly, the front housing 110 is held against the top of the limiting ribs 1324 located on both sides of the first dust screen 140.

Optionally, two ends of the limiting wall 1322 are respectively connected to the limiting blocking ribs 1324 disposed on two opposite sides of the first dust screen 140, and the limiting wall 1322 is used to limit the position of the first dust screen 140 in the extending direction of the limiting blocking ribs 1324. I.e. in the Z direction in fig. 3.

The sound outlet slot 1321 communicates the front sound cavity 121 of the electroacoustic device 120 with the sound outlet hole 1121 of the first blocking part 112 of the front housing 110. Referring to fig. 3, the first dust-proof net 140 is sandwiched between the end surface of the sound emitting portion 132 and the first blocking portion 112 of the front housing 110 to separate the sound emitting hole 1121 on the first blocking portion 112 of the front housing 110 from the sound emitting slot 1321 on the sound emitting portion 132 of the fixing bracket 130, so as to prevent dust in the sound emitting path formed by the sound emitting hole 1121 and the sound emitting slot 1321. Optionally, a soft gasket 160 is disposed between the first dust screen 140 and the first blocking portion 112 of the front housing 110. The first dust screen 140 and the first blocking portion 112 of the front case 110 are bonded by a soft gasket 160.

Referring to fig. 4, optionally, the front shell 110 of the present embodiment further includes a second blocking portion 113, the second blocking portion 113 is disposed on the first surface 1111 of the main body portion 111 and is disposed opposite to the first blocking portion 112, the second blocking portion 113 is configured to laterally limit the position of the fixing bracket 130, and specifically, the second blocking portion 113 is configured to support the outer side of the connecting portion 133 of the fixing bracket 130, so as to limit the position of the fixing bracket 130 in the X direction in fig. 3.

Further, with continuing reference to fig. 3 and fig. 5, optionally, the fixing bracket 130 in this embodiment further includes a supporting protrusion 134, one side of the supporting protrusion 134 is connected to the middle of the fixing support plate 131, the other side of the supporting protrusion supports the electroacoustic device 120, the supporting protrusion 134 is used for separating and forming the front sound cavity 121 and the rear sound cavity 122 of the electroacoustic device 120, and the sound outlet slot 1321 on the fixing bracket 130 is communicated with the front sound cavity 121 of the electroacoustic device 120.

The sound emitting portion 132 of the fixing bracket 130 is further provided with a coupling protrusion 1323 at a side close to the front case 110, and optionally, the coupling protrusion 1323 may be bonded to the front case 110 by a soft gasket 160.

Referring to fig. 3 and fig. 6, fig. 6 is a schematic structural diagram of a rear shell of an electroacoustic device, the rear shell 150 is covered on the fixing bracket 130, specifically, the rear shell 150 includes a main lid 151 and a bending portion 152, the main lid 151 is covered on the fixing bracket 130, the bending portion 152 is disposed corresponding to an outer side of the first blocking portion 112 of the front shell 110, a sound outlet channel 1521 is disposed on the bending portion 152, and the sound outlet channel 1521 corresponds to a sound outlet hole 1121 on the first blocking portion 112. The sound outlet slot 1321 of the sound outlet portion 132 of the fixing bracket 130, the sound outlet hole 1121 of the first blocking portion 112 of the front housing 110, and the sound outlet channel 1521 of the bending portion 152 of the rear housing 150 together form a sound outlet path of the electroacoustic device 120.

The assembly process of the electro-acoustic assembly for the electronic device in this application is as follows: first, a fixing bracket 130 is fixedly connected to an electroacoustic device 120 to form a first assembly, please refer to fig. 7 and 8, fig. 7 is a schematic view of a C-C viewing angle structure of the first assembly formed by fixedly connecting the fixing bracket to the electroacoustic device; FIG. 8 is a schematic diagram of a D-D view structure of a first assembly formed by fixedly connecting a fixing bracket and an electroacoustic device; the first dust-proof net 140 is already assembled on the fixing bracket 130, and the soft sealing gaskets 160 are already attached to corresponding positions (on the connecting portion 133 of the fixing bracket 130, between the first dust-proof net 140 and the first blocking portion 112, and on the connecting protrusion 1323).

Then, the first assembly is assembled to the front shell 110 to obtain a second assembly, please refer to fig. 9 to 11, and fig. 9 is a schematic diagram of a D-D view structure of the second assembly formed by assembling the first assembly and the front shell; FIG. 10 is a schematic view of a second assembly formed by assembling the first assembly with a front case in a C-C view; fig. 11 is a schematic view of an assembly structure of the front case, wherein in fig. 11, a glue layer 1001 is adhered to the first surface 1111 of the front case 110, and the connection portion 133 and the connection protrusion 1323 of the fixing bracket 130 are respectively adhered to the glue layer 1001.

Finally, the back shell 150 and the second assembly are combined to form the electroacoustic component (see fig. 2 and fig. 3), wherein the back shell 150 is covered on the fixing bracket 130, and the electroacoustic device 120 and the fixing bracket 130 are located on two sides, respectively. In this process, due to the existence of the limiting blocking rib 1324 structure on the fixing support 130, in the process of assembling the electroacoustic component, the limiting blocking rib 1324 structure supports the front shell 110 contacting the electronic device, so that the first blocking part 112 of the front shell of the electronic device can be prevented from contacting the first dust screen 140, and thus the first dust screen 140 can be prevented from being scraped, the problem of scraping deviation (namely avoiding the deviation of the dust screen 140 to the Z direction) can be avoided, and the air leakage of the speaker can be avoided.

The electro-acoustic assembly for electronic device that this embodiment provided, through the structure that increases spacing fender muscle on speaker fixed bolster, at the in-process that carries out electro-acoustic assembly equipment, this spacing fender muscle structure top holds the preceding shell that contacts electronic device, consequently, can avoid electronic device's preceding shell to contact the dust screen, the dust screen just can avoid being scraped like this, also can not appear scraping inclined to one side problem certainly, the condition of speaker gas leakage more can not appear. This electroacoustic component's simple structure need not to increase too many processing cost, only need on the fixed bolster integrative mould plastics or bend out spacing fender muscle structure can, have very high market spreading value.

Example 2

Referring to fig. 12 to 14 together, fig. 12 is a first cross-sectional view of an electronic device according to another embodiment of the disclosure, fig. 13 is a partially enlarged view of the electronic device in fig. 12, and fig. 14 is a cross-sectional view of another view of the electronic device in the embodiment of fig. 12; the electronic device in this embodiment includes a front case 110, an electroacoustic device 120, a fixing bracket 130, a first dust screen 140, a rear case 150, and a second dust screen 170.

Different from the previous embodiment, please refer to fig. 13, the electronic device in this embodiment further includes a second dust-proof net 170, the second dust-proof net 170 is sandwiched between the bending portion 152 and the first blocking portion 112 to separate the sound outlet channel 1521 on the bending portion 152 from the sound outlet hole 1121 on the first blocking portion 112, so as to achieve a first dust-proof effect, the first dust-proof net 140 is located inside to achieve a second dust-proof effect, and the dual dust-proof net structure has a better dust-proof effect. Optionally, a soft gasket 160 is disposed between the second dust screen 170 and the first blocking portion 112 of the front housing 110.

The sound outlet slot 1321 of the sound outlet portion 132 of the fixing bracket 130, the sound outlet hole 1121 of the first blocking portion 112 of the front housing 110, and the sound outlet channel 1521 of the bending portion 152 of the rear housing 150 together form a sound outlet path of the electroacoustic device 120. The first and second dust screens (140, 170) are positioned on the sound outlet path and play a role of dust prevention.

According to the electroacoustic component for the electronic device, on one hand, the structure of the limiting blocking rib is additionally arranged on the loudspeaker fixing support, and the limiting blocking rib structure is abutted against and contacted with the front shell of the electronic device in the process of assembling the electroacoustic component, so that the front shell of the electronic device can be prevented from being contacted with the dustproof net, the dustproof net can be prevented from being scraped, the problem of scraping deviation can be avoided, and the situation of air leakage of the loudspeaker can be avoided; on the other hand, through setting up dual dustproof net structure, dustproof effect is better. In addition, the electroacoustic component has the characteristics of simple structure and easiness in assembly.

Further, an electronic device is provided in an embodiment of the present application, please refer to fig. 15, where fig. 15 is a schematic view of an overall structure of an embodiment of the electronic device of the present application, the electronic device may be a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like, and the embodiment illustrates a mobile phone as an example. The electronic device may include a screen 901, a terminal housing, and the electro-acoustic assembly in the above embodiments (wherein the electro-acoustic assembly is disposed inside the terminal housing, and therefore not shown). With regard to the specific structural features of the electro-acoustic assembly, reference is made to the above description of the embodiments of the electro-acoustic assembly, and detailed descriptions thereof will be omitted.

The electronic device that this embodiment provided, its electroacoustic subassembly is through the structure that increases spacing fender muscle on speaker fixed bolster, and at the in-process that carries out electroacoustic subassembly equipment, this spacing fender muscle structure top holds the preceding shell that contacts electronic device, consequently, can avoid electronic device's preceding shell to contact the dust screen, and the dust screen just can be avoided being scraped like this, and the problem of scraping partially also can not appear yet certainly, the condition of speaker gas leakage more can not appear. This electroacoustic component's simple structure need not to increase too many processing cost, only need on the fixed bolster integrative mould plastics or bend out spacing fender muscle structure can, have very high market spreading value.

The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (5)

1. An electro-acoustic assembly for an electronic device, the electronic device comprising a front housing and a rear housing, the electro-acoustic assembly comprising:

an electroacoustic device;

the fixing bracket is used for supporting the electroacoustic device and is fixed with the front shell so as to be matched with the front shell to realize the fixation of the electroacoustic device from two surfaces; the fixed support comprises a fixed support plate, a sound outlet part and a connecting part, the sound outlet part and the connecting part are respectively arranged at two ends of the fixed support plate, the connecting part is fixedly connected with the front shell, the sound outlet part is provided with a sound outlet groove, and the end surface of the sound outlet part is provided with a limiting retaining wall and a limiting retaining rib which protrudes out of the end surface and is oppositely arranged;

the first dustproof net is attached to the end part of the fixed support and clamped between the end face of the sound outlet part and the front shell so as to prevent dust in the sound outlet groove;

the limiting blocking ribs are arranged close to two opposite sides of the first dustproof net, the height of the limiting blocking ribs is larger than the thickness of the first dustproof net, and the limiting blocking ribs are used for propping against and contacting a front shell of the electronic device so as to prevent the front shell of the electronic device from contacting and scraping the first dustproof net in the assembling process; the first dustproof net is bonded with the front shell through a soft sealing gasket;

the rear shell cover is arranged on the fixed bracket; the limiting retaining wall is arranged at the position of the edge of one side, close to the rear shell, of the outer side end of the sound outlet part and used for limiting the position of the first dustproof net close to one side of the rear shell; the two ends of the limiting retaining wall are respectively connected with the limiting retaining ribs and used for limiting the position of the first dust screen in the extending direction of the limiting retaining ribs;

the fixed bolster further includes the support arch, support protruding one side with the middle part of fixed extension board is connected, and the opposite side top is held the electroacoustic device, the support arch is used for separating and forming the preceding sound chamber and the back sound chamber of electroacoustic device, sound outlet groove on the fixed bolster with the preceding sound chamber intercommunication of electroacoustic device.

2. The electroacoustic assembly of claim 1 wherein said sound emitting portion is provided with a coupling projection on a side thereof adjacent to an external device of said electronic apparatus, said coupling projection being bonded to said external device of said electronic apparatus by a flexible gasket.

3. An electronic device, comprising:

a front case including a main body portion and a first blocking portion;

an electroacoustic device; the first surface is fixedly arranged on the main body part;

the fixing bracket is used for supporting the electroacoustic device and is fixed with the first surface of the main body part so as to be matched with the front shell to realize the fixation of the electroacoustic device from two surfaces; the fixed support comprises a fixed support plate, a sound outlet part and a connecting part, the sound outlet part and the connecting part are respectively arranged at two ends of the fixed support plate, the connecting part is fixedly connected with the front shell, the sound outlet part is provided with a sound outlet groove, and the end surface of the sound outlet part is provided with a limiting retaining wall and a limiting retaining rib which protrudes out of the end surface and is oppositely arranged; the fixing bracket is matched with the main body part to fix the electroacoustic device, and the sound outlet groove is communicated with a sound cavity of the electroacoustic device;

the first dustproof net is attached to the end part of the fixed support and clamped between the end face of the sound outlet part and the first blocking part of the front shell so as to prevent dust in the sound outlet groove;

the rear shell is covered on the fixed bracket;

the limiting blocking ribs are arranged close to two opposite sides of the first dust screen, the height of the limiting blocking ribs is larger than the thickness of the first dust screen, and the limiting blocking ribs are used for propping against and contacting the front shell so as to prevent the front shell from contacting and scraping the first dust screen in the assembling process; the first dustproof net is bonded with the front shell through a soft sealing gasket;

the limiting retaining wall is arranged at the position of the edge of one side, close to the rear shell, of the outer side end of the sound outlet part and used for limiting the position of the first dustproof net close to one side of the rear shell; the two ends of the limiting retaining wall are respectively connected with the limiting retaining ribs and used for limiting the position of the first dust screen in the extending direction of the limiting retaining ribs;

the rear shell comprises a main cover body and a bent part, the main cover body is arranged on the fixed support in a covering mode, the bent part is arranged corresponding to the outer side of the first blocking part, a sound outlet channel is arranged on the bent part, a sound outlet hole is formed in the first blocking part, and the sound outlet channel in the bent part corresponds to the sound outlet hole in the first blocking part;

the electroacoustic component further comprises a second dustproof net, wherein the second dustproof net is clamped between the bending part and the first blocking part and used for separating the sound outlet channel on the bending part from the sound outlet hole on the first blocking part.

4. The electronic device according to claim 3, wherein the front housing further comprises a second stopper portion disposed on the first surface of the main body portion and disposed opposite to the first stopper portion, the second stopper portion being configured to laterally limit a position of the fixing bracket.

5. A method of assembling an electronic device, wherein the electronic device is the electronic device of claim 3;

the assembling method comprises the following steps:

mounting the first dust screen to the fixed bracket;

fixedly connecting the fixed support provided with the first dust screen with an electroacoustic device to form a first assembly body;

assembling the first assembly body on the front shell to obtain a second assembly body;

and matching the rear shell with the second assembly body to form the electronic device.

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