CN212752629U

CN212752629U - Electroacoustic component, smart watch and electronic equipment

Info

Publication number: CN212752629U
Application number: CN202021450507.4U
Authority: CN
Inventors: 易炜
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-19
Anticipated expiration: 2030-07-21
Also published as: WO2022016955A1

Abstract

The application provides an electroacoustic component, wherein the electroacoustic device comprises a shell, a waterproof piece, an electroacoustic device and a fixing piece; the shell is provided with a sound outlet hole; the waterproof piece is arranged on the inner side wall of the shell and surrounds the sound outlet hole; the electroacoustic device is arranged on one side of the waterproof piece, which is far away from the inner side wall of the shell; the fixing piece and the shell are matched to clamp and fix the electroacoustic device. The utility model provides an electroacoustic subassembly sets up waterproof through the inside wall at the casing to and through mounting and the fixed electroacoustic device of casing cooperation centre gripping, so that electroacoustic device extrusion waterproof produces deformation, the clearance between the inside wall of sealed casing and the electroacoustic device avoids steam to get into the casing inside and damages the inside circuit structure of casing.

Description

Electroacoustic component, smart watch and electronic equipment

Technical Field

The application relates to the technical field of electronic equipment, in particular to an electroacoustic component, an intelligent watch and electronic equipment.

Background

Electronic equipment (such as smart watches, mobile phones, etc.) generally perform audio playing through a speaker, and at present, the speaker is generally fixed inside an electronic equipment housing through a bracket, so that water vapor easily enters the electronic equipment housing from a gap between the electronic equipment housing and the speaker, and a circuit structure inside the electronic equipment housing is damaged.

SUMMERY OF THE UTILITY MODEL

An aspect of an embodiment of the present application provides an electroacoustic component, where the electroacoustic device includes a housing, a waterproof member, an electroacoustic device, and a fixing member; the shell is provided with a sound outlet hole; the waterproof piece is arranged on the inner side wall of the shell and surrounds the sound outlet hole; the electroacoustic device is arranged on one side of the waterproof piece, which is far away from the inner side wall of the shell; the fixing piece and the shell are matched to clamp and fix the electroacoustic device.

On the other hand still provides an intelligent wrist-watch of this application embodiment, intelligent wrist-watch includes watchband and above-mentioned embodiment electroacoustic subassembly, the watchband with the casing is connected.

The embodiment of the application further still provides an electronic equipment, electronic equipment includes display screen, circuit board and above-mentioned embodiment electroacoustic component, the display screen with the casing encloses to establish and forms an accommodation space, the circuit board is located in the accommodation space, and with the electroacoustic device electricity is connected.

The utility model provides an electroacoustic subassembly, intelligent wrist-watch and electronic equipment, set up the waterproof piece through the inside wall at the casing, and through the mounting and the fixed electroacoustic device of casing cooperation centre gripping, so that electroacoustic device extrusion waterproof piece produces deformation, clearance or gap between the inside wall of sealed casing and the electroacoustic device, and then form waterproof interface between the inside wall of casing and the electroacoustic device, thereby avoid steam to get into inside and damage the inside circuit structure of casing. In addition, this application embodiment directly forms waterproof interface through waterproof and electroacoustic device cooperation, simplifies the waterproof interface of electroacoustic subassembly, reduces waterproof inefficacy risk.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, 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 view of the structure of an electro-acoustic assembly according to a first embodiment of the present application;

FIG. 2 is a schematic diagram of the electro-acoustic assembly of the embodiment of FIG. 1, shown in a broken away configuration;

FIG. 3 is a schematic view of a partial cross-sectional view of the electro-acoustic assembly along the direction A-A in the embodiment of FIG. 1;

fig. 4 is a schematic view of the structure of an electro-acoustic assembly according to a second embodiment of the present application;

fig. 5 is a schematic diagram of the electro-acoustic assembly of the embodiment of fig. 4 with the structure broken away;

FIG. 6 is a schematic diagram of a partial cross-sectional view of the electro-acoustic assembly along the direction B-B in the embodiment of FIG. 4;

FIG. 7 is a schematic view of the fastener of the embodiment of FIG. 4;

FIG. 8 is a partial structural schematic view of the housing in the embodiment of FIG. 4;

FIG. 9 is a schematic view of the embodiment of FIG. 4 with the anchor engaged with the electro-acoustic device;

FIG. 10 is a schematic diagram of the structure of an electro-acoustic assembly in some embodiments of the present application;

FIG. 11 is a schematic diagram of a smart watch according to further embodiments of the present application;

FIG. 12 is a schematic diagram of the smart watch of the embodiment of FIG. 11 with a portion of the structure broken away;

FIG. 13 is a schematic diagram of an electronic device in accordance with further embodiments of the present application;

fig. 14 is a schematic structural component diagram of a mobile terminal device in other embodiments of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive step are within the scope of the present application.

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 application. 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.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

For solving the inside technical problem that steam gets into the electronic equipment casing from the gap between electronic equipment casing and the speaker easily, the embodiment of this application provides an electroacoustic subassembly to solve above-mentioned technical problem. The electroacoustic component can be applied to electronic equipment, and the electronic equipment can be intelligent equipment with a network function, such as a tablet Computer, a mobile phone, an electronic reader, a smart watch, a Personal Computer (PC), a notebook Computer, vehicle-mounted equipment, a network television and wearable equipment. The electronic device of the embodiment of the application takes a smart watch as an example.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an electroacoustic assembly 10 according to a first embodiment of the present application, and fig. 2 is a schematic structural diagram of the electroacoustic assembly 10 according to the embodiment of fig. 1, in which the electroacoustic assembly 10 includes a housing 11, an electroacoustic device 12, a sound cavity bracket 13, and a fixing bracket 14. Among them, the electroacoustic device 12 is an electronic device that can convert an audio electric signal into a sound signal, such as a speaker, a receiver, a speaker, and the like.

Alternatively, the housing 11 may be composed of a front case, a middle frame, and a rear case; alternatively, the housing 11 may be composed of a front case and a middle frame; still alternatively, the housing 11 may be composed of a rear case and a middle frame; still alternatively, the housing 11 may be composed of a middle frame. It should be understood that the specific structural division of the housing 11 is not limited in the embodiments of the present application.

Specifically, the housing 11 has a support hole 111, and the sound cavity support 13 is at least partially disposed in the support hole 111 and is sealed and waterproof with the housing 11 to prevent water vapor from entering the housing 11. The sound cavity support 13 is provided with a sound outlet groove 131, and the sound outlet groove 131 is communicated with the support hole 111 to emit sound when the electroacoustic device 12 emits sound. The sound cavity support 13 is further provided with a placing groove 132, and a bottom wall of the placing groove 132 is communicated with the sound outlet groove 131, wherein the placing groove 132 is used for placing the electroacoustic device 12 and fixing the electroacoustic device 12.

Preferably, the electroacoustic device 12 is adhesively connected to the placement groove 132 of the sound cavity bracket 13, and for example, the electroacoustic device 12 may be fixed to the placement groove 132 of the sound cavity bracket 13 by means of glue dispensing. The sound outlet surface of the electroacoustic device 12 faces the sound outlet groove 131, a waterproof interface is formed between the sound outlet surface of the electroacoustic device 12 and the placement groove 132 of the sound cavity support 13 in a dispensing manner, and water vapor is prevented from entering a gap between the sound outlet surface of the electroacoustic device 12 and the placement groove 132 and entering the interior of the shell 11.

The fixing bracket 14 is arranged on one side of the electroacoustic device 12, which is far away from the sound cavity bracket 13, and is fixedly connected with the inner side wall of the shell 11 so as to further clamp and fix the electroacoustic device 12 and the sound cavity bracket 13. For example, the fixing bracket 14 may be fixedly connected to the housing 11 by screws or bolts, and the electroacoustic device 12 and the sound cavity bracket 13 are clamped and fixed by the fixing bracket 14 and the housing 11. Of course, in other embodiments, screw holes may be respectively formed in corresponding positions of the fixing bracket 14, the sound cavity bracket 13, and the housing 11, and the fixing bracket 14, the sound cavity bracket 13, and the housing 11 may be further fixedly connected by screws or bolts. Wherein, the fixed support 14 is matched with the shell 11 to clamp the fixed sound cavity support 13, and the fixed support 14 is matched with the sound cavity support 13 to clamp the fixed electroacoustic device 12.

It can be understood that the electroacoustic device 12 itself has a high waterproof level and is not easily damaged by the ingress of external moisture, but moisture easily enters the inside of the housing 11 to damage the circuit structure inside the housing 11, such as the circuit connection structure between the circuit board and the electroacoustic device 12. This application embodiment is at first connected through the point between the play sound face of electroacoustic device 12 and sound chamber support 13 and is formed waterproof interface, avoids steam to get into inside casing 11 through the gap between the play sound face of electroacoustic device 12 and the sound chamber support 13.

Referring to fig. 3, fig. 3 is a schematic cross-sectional view of a portion of the electroacoustic component 10 along the direction a-a in the embodiment of fig. 1, a waterproof ring 133 is sleeved on an end portion of the sound cavity bracket 13 received in the bracket hole 111, and the sound cavity bracket 13 and the housing 11 cooperate to press the waterproof ring 133 to form a waterproof interface, so that water vapor is prevented from entering the housing 11 through a gap between the sound cavity bracket 13 and the housing. The waterproof ring 133 may be an elastic ring such as a rubber ring or a silicone ring to deform when the sound cavity support 13 is pressed by the housing 11, so as to achieve a waterproof effect.

Specifically, the waterproof ring 133 is sleeved on the end portion of the sound cavity bracket 13 close to the housing 11, and when the sound cavity bracket 13 is matched with the housing, the waterproof ring 133 abuts against the inner side wall of the bracket hole 111, so that a waterproof interface is formed between the outer side of the end portion of the sound cavity bracket 13 and the inner side wall of the bracket hole 111. In other words, the waterproof ring 133 is sleeved on the periphery of the sound outlet groove 131, that is, the waterproof ring 133 is disposed on the outer side of the end portion of the sound cavity bracket 13 and surrounds the sound outlet groove 131, so that when the sound cavity bracket 13 is matched with the housing, the waterproof ring 133 abuts against the inner side wall of the bracket hole 111 and deforms to achieve the waterproof effect.

The utility model provides an electroacoustic subassembly sets up waterproof interface through the gap between the play sound face of electroacoustic device and sound chamber support to and the gap between sound chamber support and casing sets up waterproof interface, multiple water proof, avoids steam to get into the casing inside and damage the inside circuit structure of casing.

The applicant researches and discovers that the first embodiment needs to be assisted by a sound cavity bracket to realize the waterproof effect, and the cost of the electroacoustic device can be increased while the better waterproof effect can be realized. Therefore, the applicant finds out through further research that if a good waterproof effect can be achieved without the help of the sound cavity support, the competitiveness of the product is certainly improved greatly.

Based on this, this application second embodiment still provides an electroacoustic subassembly to cancel the sound chamber support in the first embodiment, the electroacoustic subassembly that this application second embodiment provided simultaneously can realize better water-proof effects.

Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of an electroacoustic component 20 according to a second embodiment of the present application, and fig. 5 is a schematic structural diagram of the electroacoustic component 20 according to the embodiment of fig. 4, where the electroacoustic component 20 includes a housing 21, an electroacoustic device 22, a waterproof member 23, and a fixing member 24. Among them, the electroacoustic device 22 is an electronic device that can convert an audio electric signal into a sound signal, such as a speaker, a receiver, a speaker, and the like.

Alternatively, the housing 21 may be composed of a front case, a middle frame, and a rear case; alternatively, the housing 21 may be composed of a front case and a middle frame; still alternatively, the housing 21 may be composed of a rear case and a middle frame; still alternatively, the housing 21 may be composed of a middle frame. It should be understood that the specific structural division of the housing 21 is not limited in the embodiments of the present application.

In the embodiment of the present application, the case 21 is described as being constituted by a middle frame. The casing 21 is opened with a sound outlet hole 211, and the sound outlet hole 211 penetrates through the inner and outer surfaces of the casing 21, i.e., the middle frame. The electroacoustic device 22 is located inside the housing 21, and the sound emitting surface of the electroacoustic device 22 is disposed opposite to the sound emitting hole 211 so as to be able to radiate sound to the outside of the housing 21 through the sound emitting hole 211 when the electroacoustic device 22 emits sound. The waterproof member 23 is disposed on the inner side wall of the casing 21 and surrounds the sound outlet 211. Electroacoustic device 22 is located one side that waterproof 23 deviates from the inside wall of casing 21, and fixing member 24 cooperates the fixed electroacoustic device 22 of centre gripping with casing 21 to make electroacoustic device 22 extrusion waterproof 23 produce deformation, and then the clearance between sealed casing 21's the inside wall and the electroacoustic device 22.

Specifically, the fixing member 24 is fixedly connected to the housing 21, and clamps and fixes the electroacoustic device 22 in cooperation with the housing 21. The electroacoustic device 22 is held between the inner side wall of the housing 21 (i.e., the inner side wall of the housing 21 where the sound outlet hole 211 is opened) and the fixing member 24. In other words, the waterproof member 23 is disposed between the inner side wall of the casing 21 with the sound outlet hole 211 and the electroacoustic device 22, and the waterproof member 23 is disposed around the periphery of the sound outlet hole 211. When the fixing member 24 is fixedly connected to the housing 21, the electroacoustic device 22 is clamped and fixed between the inner side wall of the housing 21 (i.e. the inner side wall of the housing 21 with the sound outlet 211) and the fixing member 24, and then the waterproof member 23 is pressed to deform, so as to seal a gap between the inner side wall of the housing 21 and the electroacoustic device 22, and form a waterproof interface between the inner side wall of the housing 21 and the electroacoustic device 22.

The utility model provides an electroacoustic subassembly sets up the waterproof part through the inside wall at the casing to and through mounting and the fixed electroacoustic device of casing cooperation centre gripping, so that electroacoustic device extrusion waterproof part produces deformation, the clearance between the inside wall of sealed casing and the electroacoustic device, and then form waterproof interface between the inside wall of casing and the electroacoustic device, thereby avoid steam to get into inside and damage the inside circuit structure of casing.

It can be understood that the electroacoustic device 22 itself has a high waterproof level and is not easily damaged by the ingress of external moisture, but moisture easily enters the inside of the housing 21 to damage the circuit structure inside the housing 21, such as the circuit connection structure between the circuit board and the electroacoustic device 22. The embodiment of the present application differs from the first embodiment in that: in the first embodiment, a waterproof interface is arranged in a gap between the periphery of the end part of the sound cavity bracket and the inner side wall of the shell bracket hole, and the waterproof interface belongs to side pressure waterproof; and this application embodiment is waterproof through forming waterproof interface between the inside wall of casing and electroacoustic device, belongs to the malleation and prevents water. It will be appreciated that positive pressure waterproofing has certain advantages over side pressure waterproofing to some extent.

Referring to fig. 5 and 6, fig. 6 is a schematic partial sectional view of the electroacoustic assembly 20 of the embodiment of fig. 4 along the direction B-B, an annular groove 212 is formed on an inner side wall of the housing 21, and the annular groove 212 is disposed around the periphery of the sound outlet hole 211 and is used for accommodating the waterproof member 23. The annular groove 212 is formed by being recessed along the direction departing from the electroacoustic device 22, and the projection towards the direction of the electroacoustic device 22 is located on the sound outlet surface of the electroacoustic device 22, so that the waterproof member 23 can be comprehensively extruded by the electroacoustic device 22, and further the waterproof member 23 can completely seal the electroacoustic device 22 and the inner side wall of the shell 21.

The waterproof member 23 is filled in the annular groove 212, and is shaped like a ring to fit the annular groove 212. Specifically, the waterproof member 23 is adapted to the shape of the annular groove 212, so that the waterproof member 23 can fill the annular groove 212, thereby improving the waterproof sealing performance. Further, the waterproof member 23 protrudes from the annular groove 212 in a direction toward the electroacoustic device 22. When the electroacoustic component 20 that this application embodiment provided is assembled and is accomplished, in the waterproof piece 23 was put into or was imbedded the annular groove 212, the annular groove 212 can play the effect of location to waterproof piece 23, made waterproof piece 23 be difficult for taking place the off normal or drop between casing 21 and electroacoustic device 22 to further improve the inside water-proof effects of casing 21 and electroacoustic device 22's assembly steadiness.

Further, the waterproof part 23 can be a silica gel ring, the waterproof part 23 is filled in the annular groove 212 and protrudes out of the annular groove 212, and the electroacoustic device 22 extrudes the waterproof part 23 during assembly, so that the waterproof part 23 deforms, and a waterproof interface is formed in a gap between the electroacoustic device 22 and the inner side wall of the shell 21. Of course, in other embodiments, the waterproof member 23 may be an elastic waterproof rubber ring such as a rubber ring or a plastic ring.

In some embodiments of the present application, the waterproof member 23 is integrally formed with the housing 21. Specifically, the waterproof member 23 and the housing may be integrally molded by injection molding.

Of course, in other embodiments, the waterproof member 23 may be formed on the housing 21 by dispensing. Further, an annular groove 212 is formed on the inner side wall of the housing 21 through a molding process, then the liquid waterproof glue is completely dispensed in the annular groove 212 through a glue dispenser, and the waterproof piece 23 is formed after the liquid waterproof glue is cured. It is understood that the liquid waterproof glue may be a liquid glue such as UV waterproof glue, liquid silica gel, or the like.

Further, after the waterproof member 23 is formed on the inner side wall of the casing 21, the fixing member 24 cooperates with the casing 21 to clamp and fix the electroacoustic device 22, so that the electroacoustic device 22 extrudes the waterproof member 23 to deform the waterproof member 23, and a waterproof interface between the inner side wall of the casing and the electroacoustic device is further formed, that is, the sound outlet surface of the electroacoustic device 22 is tightly pressed with the waterproof member 23 in an interference fit manner to form the waterproof interface.

The fixing member 24 is fixedly connected to the housing 21. Referring to fig. 7, fig. 7 is a schematic structural diagram of the fixing element 24 in the embodiment of fig. 4, and the fixing element 24 includes a supporting portion 241 and a fixing portion 242. The supporting portion 241 is used for clamping the electroacoustic device 22 in cooperation with the inner side wall of the housing 21, that is, the electroacoustic device 22 is clamped between the inner side wall of the housing 21 and the supporting portion 241. The fixing portion 242 is provided on the outer periphery of the abutting portion 241 and is fixedly connected to the housing 21.

In some embodiments, the supporting portion 241 and the fixing portion 242 are integrally formed. Of course, in other embodiments, the supporting portion 241 and the fixing portion 242 may be formed separately and then fixedly connected together to form the fixing member 24.

It is understood that the fixing portion 242 is disposed at least at one end of the supporting portion 241 for fixedly connecting with the housing 21. For example, the fixing portions 242 may be provided in two, respectively located at opposite ends of the supporting portion 241, to form a stable fixing structure with the housing 21.

Furthermore, the inner side wall of the casing 21 is provided with a positioning groove 213, and the fixing portion 242 is provided with a fixing hole, which is matched with the positioning groove 213 to fixedly connect the fixing member 24 and the casing 21. Specifically, the fixing hole is fixedly connected to the positioning groove 213 by a screw. Of course, in other embodiments, the fixing portion 24 and the housing 21 may be fixedly connected by means of a snap, a slide fastener, or the like.

Referring to fig. 8, fig. 8 is a schematic partial structural view of the housing 21 in the embodiment of fig. 4, in this embodiment, two fixing portions 242 are respectively located at two opposite ends of the supporting portion 241.

Specifically, the fixing portion 242 includes a first fixing portion 2421 and a second fixing portion 2422, and the first fixing portion 2421 and the second fixing portion 2422 are respectively located at two sides of the fixing element 24. The first fixing portion 2421 is formed with a first fixing hole 2431, and the second fixing portion 2422 is formed with a second fixing hole 2432. The inner side wall of the housing 21 is provided with a first positioning groove 2131 and a second positioning groove 2132 corresponding to the first fixing hole 2431 and the second fixing hole 2432, respectively. The first fixing hole 2431 is fixedly connected with the first positioning groove 2131 in a matching manner, and the second fixing hole 2432 is fixedly connected with the second positioning groove 2132 in a matching manner.

It should be noted that the terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.

In the embodiment of the present disclosure, for example, the first fixing hole 2431 is fixedly connected to the first positioning groove 2131 by a first screw 251, and the second fixing hole 2432 is fixedly connected to the second positioning groove 2132 by a second screw 252.

The axial line of the first fixing hole 2431 is substantially parallel to the sound emitting direction of the sound emitting hole 211 (the X direction shown in fig. 7 or fig. 8), and the axial line of the second fixing hole 2432 is substantially perpendicular to the sound emitting direction of the sound emitting hole 211, that is, the axial line of the second fixing hole 2432 is substantially parallel to the Z direction shown in fig. 7 or fig. 8. In other words, the axis of the first fixing hole 2431 is substantially perpendicular to the axis of the second fixing hole 2432, so as to perform the position-limiting fixing of the fixing member 24 in multiple directions.

Further, the first positioning groove 2131 is formed in a recessed manner on the inner side wall of the housing 21 in a direction away from the electroacoustic device 22, the protrusion 215 is disposed on the inner side wall of the housing 21 in a direction toward the electroacoustic device 22, and the second positioning groove 2132 is formed on the protrusion 215. The axis of the first positioning groove 2131 is substantially parallel to the axis of the first fixing hole 2431, and the axis of the second positioning groove 2132 is substantially parallel to the axis of the second fixing hole 2432.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 9, fig. 9 is a schematic structural diagram of the fixing member 24 and the electroacoustic device 22 in the embodiment of fig. 4, in which the top supporting portion 241 of the fixing member 24 includes a top supporting surface 2411 and limiting surfaces 2412 disposed at two opposite ends of the top supporting surface 2411. Wherein, the end face of the electroacoustic device 22 departing from the waterproof member 23 is supported on the supporting surface 2411, and the limiting surfaces 2412 are clamped on the two opposite sides of the electroacoustic device 22.

Specifically, in the sound emitting direction of the sound emitting hole, the supporting surface 2411 is in contact connection with the end surface of the electroacoustic device 22 away from the waterproof member 23, so as to abut against the electroacoustic device 22 to press the waterproof member 23 when the fixing member 24 is fixedly connected with the housing 21.

In some embodiments of the present application, a dust screen is further provided to block external dust from entering the inside of the housing. Specifically, referring to fig. 10, fig. 10 is a schematic structural diagram of the electroacoustic component 20 according to some embodiments of the present application, and the electroacoustic component 20 further includes a dust screen 26. The dust-proof net 26 is disposed on the inner side wall of the housing 21 and covers the sound outlet hole 211 on the housing 21, so as to prevent dust from entering the housing 21 through the sound outlet hole 211.

Further, the dust screen 26 is adhesively connected to the inner side wall of the housing 21. For example, the dust screen 26 may be adhered to the inner side wall of the case 21 by a double-sided tape.

The utility model provides an electroacoustic subassembly sets up the waterproof part through the inside wall at the casing to and through mounting and the fixed electroacoustic device of casing cooperation centre gripping, so that electroacoustic device extrusion waterproof part produces deformation, the clearance between the inside wall of sealed casing and the electroacoustic device, and then form waterproof interface between the inside wall of casing and the electroacoustic device, thereby avoid steam to get into inside and damage the inside circuit structure of casing. In addition, this application embodiment directly forms waterproof interface through waterproof and electroacoustic device cooperation, simplifies the waterproof interface of electroacoustic subassembly, reduces waterproof inefficacy risk. Meanwhile, the waterproof reliability of the electroacoustic device is improved through positive pressure waterproof, the assembling process is simple, the cost is reduced, the part design is simplified, and therefore the manufacturing cost of the whole machine is reduced.

It can be understood that, in the first embodiment of the present application, the waterproof ring is sleeved on the periphery of the end portion of the sound cavity support, and the waterproof ring is matched with the inner side wall of the shell support hole to form side pressure waterproof, so that certain requirements are imposed on the dimensional accuracy of the shell support hole. In the second embodiment of the application, the waterproof part is arranged on the inner side wall of the shell to be matched with the electroacoustic device to form positive pressure water resistance, so that the requirement on the size and the energy of the shell is relatively low, and the shell is easy to process.

In addition, please refer to fig. 11 and 12 in combination, fig. 11 is a schematic structural diagram of a smart watch 100 according to another embodiment of the present application, and fig. 12 is a schematic partial structural diagram of the smart watch 100 according to the embodiment of fig. 11, in which the smart watch 100 includes an electroacoustic assembly 30 and a watch band 40, and the electroacoustic assembly 30 includes a housing 31, an electroacoustic device 32, a waterproof member 33, and a fixing member 34. The electroacoustic component 30 may be the electroacoustic component 10 or the electroacoustic component 20 in the foregoing embodiments, and the structure of the electroacoustic component 30 is not described in detail in the embodiments of the present application. In the embodiment of the present application, the housing 31 of the electroacoustic component 30 is illustrated by taking a middle frame as an example. A watch band 40 is attached to housing 31 of electro-acoustic assembly 30 for wearing by a user.

The smart watch 100 may further include a cover plate 50, a display screen 60, and a circuit board 70, the cover plate 50, the display screen 60, and the casing 31 are enclosed to form an accommodating space 501, and the waterproof component 33, the electroacoustic component 32, the fixing component 34, and the circuit board 70 are disposed in the accommodating space 501. Wherein the circuit board 70 is electrically connected to the electro-acoustic device 32 to provide power and control signals for operation of the electro-acoustic device 32. It is understood that the circuit board 70 may be a flexible circuit board.

The intelligent wrist-watch that this application embodiment provided is waterproof through setting up the electroacoustic device, avoids inside steam entering intelligent wrist-watch and damages the inside circuit structure of intelligent wrist-watch.

In addition, please refer to fig. 13 in combination, fig. 13 is a schematic structural diagram of an electronic device 300 in another embodiment of the present application, where the electronic device 300 may be a tablet Computer, a mobile phone, an electronic reader, a smart watch, a Personal Computer (PC), a notebook Computer, a vehicle-mounted device, a network television, a wearable device, and other intelligent devices with a network function. The electronic device 300 comprises a display screen 310, a circuit board 320 and electro-acoustic components including a housing 331, electro-acoustic devices 332, a waterproof member 333 and a fixing member 334. The electroacoustic component may be the electroacoustic component 10 or the electroacoustic component 20 in the foregoing embodiments, and details of the structure of the electroacoustic component are not repeated in the embodiments of the present application. In the embodiment of the present application, the case 331 of the electro-acoustic component includes a middle frame and a rear case.

Furthermore, the display screen 310 and the housing 331 are enclosed to form an accommodating space 311, and the waterproof member 333, the electroacoustic device 332, the fixing member 334 and the circuit board 320 are disposed in the accommodating space 311 and electrically connected to the electroacoustic device 332 to provide power and control signals for the operation of the electroacoustic device 332. The electroacoustic device 332 is disposed on the sound input side of the sound output hole of the case 331 so as to correspond to the sound output hole. It will be understood that the sound entry side is the side where sound enters the sound exit hole. Of course, in other embodiments, the sound outlet may be provided not only in the middle frame of the casing 331, but also in the rear shell of the casing 331, or in the joint portion between the middle frame and the rear shell. It should be understood that the opening position of the sound hole can be flexibly set by those skilled in the art according to the structural layout of the electronic device 300.

The electronic equipment that this application embodiment provided is waterproof through setting up the electroacoustic device, avoids inside steam entering electronic equipment and damages the inside circuit structure of electronic equipment.

Further, an embodiment of the present application further provides a mobile terminal device, please refer to fig. 14, fig. 14 is a schematic diagram illustrating a structural composition of the mobile terminal device 900 in another embodiment of the present application, where the mobile terminal device 900 may be a mobile phone, a smart watch, a tablet computer, a notebook computer, a wearable device, and the like, and the smart watch is taken as an example in the embodiment of the present application. The structure of the mobile terminal apparatus 900 may generally include an RF circuit 910, a memory 920, an input unit 930, a display unit 940, a sensor 950, an audio circuit 960, a wifi module 970, a processor 980, a power supply 990, and the like. Wherein the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected with the processor 980; the power supply 990 serves to supply power to the entire mobile terminal apparatus 900.

Specifically, the RF circuit 910 is used for transmitting and receiving signals; the memory 920 is used for storing data instruction information; the input unit 930 is used for inputting information, and may specifically include a touch panel 931 and other input devices 932 such as operation keys; the display unit 940 may include a display panel 941; the sensor 950 includes an infrared sensor, a laser sensor, etc. for detecting a user approach signal, a distance signal, etc.; a speaker 961 and a microphone (or microphone, or electroacoustic device in the above embodiments) 962 are coupled to the processor 980 via audio circuitry 960 for emitting and receiving sound signals; the wifi module 970 is used for receiving and transmitting wifi signals, and the processor 980 is used for processing data information of the mobile terminal device. With regard to the related technical features of the electroacoustic component and the electroacoustic device, reference is made to the above description of the embodiment of the electroacoustic component, and detailed descriptions thereof will not be provided herein.

It is noted that the terms "comprises" and "comprising," 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.

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

Claims

1. An electro-acoustic assembly, comprising:

a shell provided with a sound outlet hole;

the waterproof piece is arranged on the inner side wall of the shell and surrounds the sound outlet hole;

the electroacoustic device is arranged on one side of the waterproof piece, which is far away from the inner side wall of the shell;

and the fixing piece is matched with the shell to clamp and fix the electroacoustic device.

2. The electro acoustic assembly in accordance with claim 1, wherein said inner side wall is provided with an annular groove; the waterproof piece is filled in the annular groove and is in an annular shape so as to be matched with the annular groove.

3. The electro acoustic assembly in accordance with claim 2, wherein said water shield protrudes from said annular groove in a direction towards said electro acoustic device.

4. The electroacoustic assembly of claim 1 wherein the mounting member includes a top support portion and a mounting portion, the electroacoustic device being sandwiched between the inner side wall and the top support portion, the mounting portion being fixedly attached to the housing.

5. The electroacoustic assembly of claim 4 wherein the fixing portion has a fixing hole, the inner wall has a positioning groove, and the fixing hole and the positioning groove cooperate to fixedly connect the fixing member and the housing.

6. The electroacoustic assembly of claim 4 wherein the supporting portion comprises a supporting surface and limiting surfaces disposed at opposite ends of the supporting surface, wherein an end surface of the electroacoustic device facing away from the waterproof member is supported by the supporting surface, and the limiting surfaces are clamped at opposite sides of the electroacoustic device.

7. The electro acoustic assembly in accordance with claim 1, wherein said water shield is integrally formed with said housing.

8. The electro-acoustic assembly according to claim 1, wherein the waterproof member is a silicone ring, and the electro-acoustic device presses the waterproof member to deform, thereby sealing a gap between an inner side wall of the housing and the electro-acoustic device.

9. The electroacoustic assembly of claim 1 further comprising a dust screen disposed on an inner sidewall of the housing and covering the sound outlet hole in the housing.

10. The electro acoustic assembly in accordance with claim 9, wherein said dust screen is adhesively attached to an interior side wall of said housing.

11. A smart watch comprising a watchband and the electro-acoustic assembly of any one of claims 1-10, the watchband being connected to the housing.

12. The smartwatch of claim 11, further comprising a cover plate, a display screen, and a circuit board, wherein the cover plate, the display screen, and the housing are enclosed to form an accommodating space, the waterproof member, the electroacoustic device, the fixing member, and the circuit board are disposed in the accommodating space, and the circuit board is electrically connected to the electroacoustic device.

13. An electronic device, comprising a display screen, a circuit board and the electroacoustic assembly of any one of claims 1 to 10, wherein the display screen and the housing enclose a receiving space, and the circuit board is disposed in the receiving space and electrically connected to the electroacoustic device.