阅读说明：本技术 电子设备 (Electronic device ) 是由 王*** 于 2019-08-26 设计创作，主要内容包括：本申请实施例提供一种电子设备,包括中框、驱动件和声电转换器件,中框包括承载板和边框,中框内设置有第一通道和第二通道,第一通道的第一开口设置在第二表面上,第一通道从边框的第二表面延伸至第三表面,外部驱动力沿第一通道作用于驱动件；第二通道与第一通道连通,声音信号沿第一通道和第二通道传输至声电转换器件,进而,外部驱动力和声音信号均可从第一通道的第一开口传输至电子设备内部,可减少电子设备上的开口数量,降低开口对电子设备结构强度的影响。由于边框在承载板的至少一侧凸出于承载板的第一表面,使得第一通道与第二通道不在同一直线上,外部驱动力在第一通道内传递时不会进入第二通道内,不会损坏声电转换器件。(The embodiment of the application provides electronic equipment, which comprises a middle frame, a driving part and an acoustoelectric conversion device, wherein the middle frame comprises a bearing plate and a frame, a first channel and a second channel are arranged in the middle frame, a first opening of the first channel is arranged on a second surface, the first channel extends from the second surface to a third surface of the frame, and external driving force acts on the driving part along the first channel; the second channel is communicated with the first channel, the sound signal is transmitted to the sound-electricity conversion device along the first channel and the second channel, and then, external driving force and the sound signal can be transmitted to the interior of the electronic equipment from the first opening of the first channel, so that the number of openings in the electronic equipment can be reduced, and the influence of the openings on the structural strength of the electronic equipment is reduced. Because the frame protrudes out of the first surface of the bearing plate at least one side of the bearing plate, the first channel and the second channel are not on the same straight line, and external driving force cannot enter the second channel when being transmitted in the first channel, so that the sound-electricity conversion device cannot be damaged.)

1. An electronic device, comprising:

a middle frame, the middle frame comprising:

a carrier plate comprising a first surface;

the frame is connected with the edge of the bearing plate, protrudes out of the first surface of the bearing plate on at least one side of the bearing plate to form an accommodating space together with the bearing plate, and comprises a second surface and a third surface which are oppositely arranged;

the middle frame is also provided with:

a first channel, a first opening of the first channel disposed on the second surface, a second opening of the first channel disposed on the third surface, the first channel extending from the second surface to the third surface;

a second channel, an opening of the second channel being disposed on the first surface, the second channel extending from the first surface to communicate with the first channel; the driving piece is positioned in the accommodating space, faces the first channel and is used for receiving external driving force through the first channel; and

the sound-electricity conversion device is located in the accommodating space and comprises a sound outlet surface facing the opening of the second channel, and the sound-electricity conversion device is used for transmitting sound signals through the first channel and the second channel.

2. The electronic device of claim 1, wherein the first channel further comprises a third opening located between the first opening and the second opening, a region between the first opening and the third opening forming a first communicating section of the first channel, a region between the third opening and the second opening forming a second communicating section of the first channel, the second channel communicating with the third opening.

3. The electronic device of claim 2, wherein the first end of the driving member is located in the second communicating section to seal the second communicating section, and the second end of the driving member is located outside the first channel, the electronic device further comprising a card holder, and the second end of the driving member is connected to the card holder.

4. The electronic device of claim 3, further comprising:

a first seal connected to the drive member and an inner wall of the second communication section to effect sealing of the second communication section.

5. The electronic device of claim 4, wherein the first end of the driver member is provided with a first groove, at least a portion of the first seal being located within the first groove.

6. The electronic device of any of claims 1-5, wherein the middle frame further comprises:

the protruding portion protrudes out of the third surface on one side of the third surface of the frame, the first channel penetrates through the protruding portion, the first end portion of the driving piece is located in the protruding portion, and the second end portion of the driving piece is located outside the protruding portion.

7. The electronic device of claim 1, wherein the carrier plate further comprises a fourth surface disposed opposite the first surface, and wherein the second channel comprises:

a third communicating section extending from the first surface to the fourth surface of the carrier plate;

a fourth communicating section comprising a second groove formed in the bearing plate, an opening of the second groove being disposed on the fourth surface, the second groove being communicated with the third communicating section;

a fifth communicating section communicating the second groove and the first passage;

the sound-electricity conversion device is used for transmitting the sound signals through the first channel, the fifth communicating section, the fourth communicating section and the third communicating section.

8. The electronic device of claim 7, further comprising:

a second seal on the fourth surface and covering the opening of the second groove, the second seal being connected to an inner wall of the second groove to collectively define the fourth communication section.

9. The electronic device of claim 1, further comprising:

the circuit board is located in the accommodating space, a through hole is formed in the circuit board and communicated with the second channel, and the sound outlet surface of the sound-electricity conversion device faces the through hole.

10. The electronic device of claim 9, further comprising:

and the third sealing element is positioned between the circuit board and the bearing plate, one side of the third sealing element is in sealing connection with the periphery of the opening of the through hole on the surface of the circuit board, and the other side of the third sealing element is in sealing connection with the periphery of the opening of the second channel on the first surface.

11. The electronic device of claim 9, wherein the circuit board has a receiving slot, an opening of the receiving slot faces the driving member, and the receiving slot is used for receiving the driving member.

Technical Field

The present application relates to the field of electronic technologies, and in particular, to an electronic device.

Background

Disclosure of Invention

The embodiment of the application provides electronic equipment, which can reduce the number of holes on the body of the electronic equipment.

An embodiment of the present application provides an electronic device, including:

a middle frame, the middle frame comprising:

a carrier plate comprising a first surface;

the frame is connected with the edge of the bearing plate, protrudes out of the first surface of the bearing plate on at least one side of the bearing plate to form an accommodating space together with the bearing plate, and comprises a second surface and a third surface which are oppositely arranged;

the middle frame is also provided with:

a first channel having a first opening disposed on the second surface and a second opening disposed on the third surface, the first channel extending from the second surface to the third surface;

a second channel, an opening of the second channel being disposed on the first surface, the second channel extending from the first surface to communicate with the first channel;

the driving piece is positioned in the accommodating space, faces the first channel and is used for receiving external driving force through the first channel; and

the sound-electricity conversion device is located in the accommodating space and comprises a sound outlet surface facing the opening of the second channel, and the sound-electricity conversion device is used for transmitting sound signals through the first channel and the second channel.

In the electronic device provided by the embodiment of the application, the first channel penetrates through the second surface and the third surface of the frame; the opening at one end of the second channel is arranged on the bearing plate, the other end of the second channel is communicated with the first channel, and the frame is arranged on at least one side of the bearing plate and protrudes out of the first surface of the bearing plate, so that the first channel and the second channel are not on the same straight line, external driving force cannot enter the second channel when being transmitted in the first channel, and an acoustoelectric conversion device cannot be damaged. Moreover, the external driving force can act on the driving member arranged towards the first channel through the first channel along the first opening of the first channel, and the sound signal can also be transmitted into the acoustic-electric conversion device arranged towards the second channel through the first channel and the second channel along the first opening of the first channel, so that the external driving force and the sound signal can share one opening, the number of the openings on the electronic equipment is reduced, and the influence of the opening on the structural strength of the electronic equipment can be reduced. And the opening of the second channel is arranged on the first surface of the bearing plate, so that a hollow structure on the frame can be reduced, and the influence of the second channel on the strength of the frame is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a first structural schematic diagram of an electronic device according to an embodiment of the present application.

Fig. 2 is a second schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 3 is an exploded schematic view of the electronic device shown in fig. 2.

Fig. 4 is a schematic structural diagram of a driving element according to an embodiment of the present application.

Fig. 5 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 6 is a first structural schematic diagram of a middle frame according to an embodiment of the present application.

Fig. 7 is a second structural schematic diagram of a middle frame according to an embodiment of the present application.

Fig. 8 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 9 is a cross-sectional view of the electronic device shown in fig. 8 along direction a-a.

Fig. 10 is a cross-sectional view of the electronic device shown in fig. 8 taken along the direction B-B.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides electronic equipment. The electronic device may be a smart phone, a tablet computer, or other devices, and may also be a game device, an AR (Augmented Reality) device, an automobile device, a data storage device, an audio playing device, a video playing device, a notebook computer, a desktop computing device, or other devices.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. Taking a smart phone as an example, the electronic device 100 may include a cover plate 10, a display 20, a middle frame 30, a circuit board 40, a battery 50, a rear cover 60, and the like.

The display screen 20 may be used to display information such as images, text, and the like. The Display 20 may be a Liquid Crystal Display (LCD), and the Display 20 may also be an Organic Light-Emitting Diode (OLED) Display.

The cover plate 10 may be mounted on the middle frame 30, and the cover plate 10 covers the display screen 20 to protect the display screen 20 from being scratched or damaged. The cover 10 may be a clear glass cover so that a user may view the contents displayed by the display screen 20 through the cover 10. The cover plate 10 may be a glass cover plate of sapphire material.

The display screen 20 may be mounted on the middle frame 30 and connected to the rear cover 60 through the middle frame 30 to form a display surface of the electronic device 100. The display 20 serves as a front case of the electronic apparatus 100, and forms a housing of the electronic apparatus 100 together with the rear cover 60 for accommodating other electronic components of the electronic apparatus 100. For example, the housing may be used to house the processor, memory, one or more sensors, camera, etc. electronics of the electronic device 100.

The display screen 20 may include a display area as well as a non-display area. Wherein the display area performs the display function of the display screen 20 for displaying information such as images, text, etc. The non-display area does not display information. The non-display area can be used for arranging electronic devices such as a camera module and a display screen touch electrode.

The display screen 20 may be a full-face screen. At this time, the display screen 20 may display information in a full screen, so that the electronic apparatus 100 has a large screen occupation ratio. The display screen 20 may include only display regions and no non-display regions, or the non-display regions may be smaller in area for the user. At this time, electronic devices such as a camera and a proximity sensor in the electronic apparatus 100 may be hidden under the display screen 20, and the fingerprint recognition module of the electronic apparatus 100 may be disposed on the rear cover 60 of the electronic apparatus 100.

The middle frame 30 may have a thin plate-like or sheet-like structure, or may have a hollow frame structure. The middle frame 30 may provide support for the electronics in the electronic device 100 to mount the electronics in the electronic device 100 together. For example, electronic components such as a camera, the circuit board 40, and the battery 50 in the electronic apparatus 100 may be mounted on the middle frame 30 to be fixed.

The circuit board 40 may be located at one side of the middle frame 30, the circuit board 40 may be mounted on the middle frame 30, and the circuit board 40 may be a main board of the electronic device 100. The circuit board 40 is provided with a ground point to ground the circuit board 40. The circuit board 40 is also provided with a feed for connecting to a feed of an antenna radiator of the electronic device 100. One, two or more of a microphone, a speaker, a receiver, an earphone interface, a universal serial bus interface (USB interface), a camera assembly, a distance sensor, an ambient light sensor, a gyroscope, a processor, and other electronic devices may be integrated on the circuit board 40.

Wherein the display screen 20 of the electronic device 100 may be electrically connected to the circuit board 40. The circuit board 40 may be provided thereon with a display control circuit. The display control circuit outputs an electric signal to the display screen 20 to control the display screen 20 to display information.

The battery 50 may be mounted on the middle frame 30. Meanwhile, the battery 50 is electrically connected to the circuit board 40 to enable the battery 50 to power the electronic device 100. The circuit board 40 may have a power management circuit disposed thereon. The power management circuit is used to distribute the voltage provided by the battery 50 to the various electronic devices in the electronic apparatus 100.

The battery 50 may be a rechargeable battery, among others. For example, the battery 50 may be a lithium ion battery.

The rear cover 60 is located at one side of the display screen 20, that is, the rear cover 60 is located at the outermost portion of the electronic device 100 and is used to form the outer contour of the electronic device 100. The rear cover 60 may be integrally formed. In the forming process of the rear cover 60, structures such as a rear camera hole and a fingerprint identification module mounting hole can be formed on the rear cover 60.

The rear cover 60 may be made of metal, such as magnesium alloy, stainless steel, etc. Note that the material of the rear cover 60 according to the embodiment of the present application is not limited to this, and other methods may be employed. For example, the rear cover 60 may be made of plastic. For another example, the rear cover 60 may be made of ceramic or glass. For another example, the rear cover 60 may include a plastic part and a metal part, and the rear cover 60 may be a housing structure in which the metal and the plastic are matched with each other. Specifically, the metal part may be formed first, for example, a magnesium alloy substrate is formed by injection molding, and then plastic is injected on the magnesium alloy substrate to form a plastic substrate, so as to form a complete housing structure.

The electronic device 100 according to the embodiment of the present application may further include a sound-electricity conversion device 70, a driving element 80, and a card holder, and fig. 2 is a schematic diagram of a second structure of the electronic device according to the embodiment of the present application.

The acoustic-electric conversion device 70 may be disposed on the circuit board 40, for example, the acoustic-electric conversion device 70 may be directly adhered and fixed on the circuit board 40. For another example, the acoustic-electric conversion device 70 may be fixed to the circuit board 40 by a fastener such as a screw or a bolt. The circuit board 40 is provided with an acoustoelectric conversion circuit, and the acoustoelectric conversion device 70 is electrically connected to the acoustoelectric conversion circuit to realize the conversion between the sound signal and the electrical signal.

The acoustic-electric conversion device 70 may be a microphone, and a sound signal is converted into an electric signal through the microphone and the acoustic-electric conversion circuit; the sound-electricity conversion device 70 may also be a receiver, and an electric signal is converted into a sound signal through the sound-electricity conversion circuit and the receiver.

A Card holder may be installed on the middle frame 30, the Card holder may be configured to place a Subscriber Identity Module (SIM) Card or a removable Memory Card (SD Card), a circuit pin is disposed on the Card holder, and the SIM Card and the SD Card may be electrically connected to the circuit board 40 through the circuit pin.

The middle frame 30 may further be provided with a card support through hole 36. The card-holding through hole 36 penetrates through two opposite surfaces of the middle frame 30, and the card holder can move from the inside of the electronic device 100 to the outside of the electronic device 100 at the card-holding through hole 36 or from the outside of the electronic device 100 to the inside of the electronic device 100 at the card-holding through hole 36.

A driving member 80 may be mounted on the middle frame 30, the driving member 80 for receiving an external driving force. The card holder may include an ejection mechanism for moving the card holder from the inside of the electronic device 100 to the outside of the electronic device 100, and the driving member 80 may be connected to the ejection mechanism. When the driving member 80 is located at the first position, the driving member 80 can limit the ejection mechanism; when the driving member 80 is located at the second position, the driving member 80 can release the limit of the ejection mechanism. An external driving force may act on the driving member 80 to move the driving member 80 between the first and second positions.

Specifically, when the external driving force acts on the driving member 80 and the driving member 80 moves to the second position under the action of the external driving force, the driving member 80 may release the limit on the ejection mechanism, and the card holder may move to the outside of the electronic device 100 under the action of the ejection mechanism. When the external driving force is cancelled, the driving member 80 moves to the first position, and when the card holder moves from the outside of the electronic device 100 to the inside of the electronic device 100 under the action of the external force, the driving member 80 can limit the ejection mechanism again.

It should be noted that the connection manner of the driving member 80 and the card holder is not limited to the above example, and other schemes for moving the card holder inside and outside the electronic device 100 are also within the protection scope of the embodiments of the present application.

With continuing reference to fig. 2 and with concurrent reference to fig. 3, fig. 3 is an exploded schematic view of the electronic device shown in fig. 2. The middle frame 30 may include a carrier plate 31 and a frame 32, where the carrier plate 31 may provide a supporting function for electronic devices inside the electronic device 100, for example, the circuit board 40, the battery 50, and the like may be directly or indirectly fixed on the carrier plate 31.

The bearing plate 31 includes a first surface 311, the frame 32 is connected to an edge of the bearing plate 31, the frame 32 protrudes from the first surface 311 of the bearing plate 31 at least one side of the bearing plate 31 to form an accommodating space together with the bearing plate 31, and electronic devices inside the electronic device 100, such as the circuit board 40, the battery 50, the card holder, the sound-to-electricity converter 70, and the driving member 80, can be located in the accommodating space.

It can be understood that the frame 32 can be located at one side of the loading plate 31 and protrude from the first surface 311 of the loading plate 31, and the frame 32 can also be located at multiple sides of the loading plate 31 and protrude from the first surface 311 of the loading plate 31. The length of the frame 32 protruding from the first surface 311 may form the thickness of the electronic device 100.

The frame 32 may include a second surface 321 and a third surface 322 disposed opposite to each other, the third surface 322 is connected to the first surface 311, and an included angle between the second surface 321 and the first surface 311 and an included angle between the third surface 322 and the first surface 311 may be greater than 0 degree and smaller than 180 degrees, so that the second surface 321 and the third surface 322 both protrude from the first surface 311, and the second surface 321 and the third surface 322 are not coplanar with the first surface 311. When the included angle is 90 degrees, the frame 32 and the carrier plate 31 may form an L-shaped structure. The frame 32 and the supporting plate 31 may be two independent parts assembled to form a middle frame structure, and the frame 32 and the supporting plate 31 may also be an integrally formed middle frame structure.

The middle frame 30 may be provided therein with a first channel 33 and a second channel 34, wherein a first opening of the first channel 33 is disposed on the second surface 321 of the frame 32, a second opening of the first channel 33 is disposed on the third surface 322 of the frame 32, the first channel 33 extends from the second surface 321 to the third surface 322, and the first channel 33 penetrates through the second surface 321 and the third surface 322 of the frame 32. The second opening of the first channel 33 is opposite to the accommodating space, and the electronic device in the accommodating space can communicate with the outside of the electronic apparatus 100 through the first channel 33 from the second opening.

For example, the driving member 80 may be located at one side of the third surface 322, and the driving member 80 is disposed toward the first channel 33, that is, the driving member 80 is located at the extending direction of the first channel 33, and the external driving force may be directly applied to the driving member 80 when being transmitted along the direction of the first channel 33, so that the driving member 80 may receive the external driving force through the first channel 33.

The first opening of the first channel 33 and the opening of the card-holding through hole 36 may be located on the same surface of the frame 32, or the first opening of the first channel 33 and the opening of the card-holding through hole 36 may be located on different surfaces of the frame 32.

The first channel 33 may extend along a straight line to form a straight hole, and the path loss of the sound signal is small when the sound signal is transmitted through the straight hole, and the transmission loss of the external driving force through the straight hole is also small. The first channel 33 may also be bent or extended in a direction-changing manner once, or bent or extended in a direction-changing manner many times to form a bent hole, and the specific bent position of the bent hole may be flexibly set so as to communicate with other through holes of the middle frame 30. The inner wall of the first channel 33 may be a smooth inner wall, and the acoustic signal is transmitted in the first channel 33 with less collision loss.

It is understood that the housing of the electronic device 100 may be provided with an opening, the position and size of the opening are adapted to the position and size of the first opening of the first channel 33, and further, the first opening and the first channel 33 can be seen from the outside of the electronic device 100, the first channel 33 can transmit the sound signal, and the first channel 33 can also provide the external driving force to act on the driving member 80, that is, the driving member 80 can receive the external driving force through the first channel 33.

Wherein the first channel 33 may further comprise a third opening, the third opening being located between the first opening and the second opening of the first channel 33. The area between the first opening and the third opening forms a first communicating section of the first passage 33, the area between the third opening and the second opening forms a second communicating section of the first passage 33, and further, the first passage 33 can be divided into at least two communicating section areas through the third opening.

Further, the second channel 34 communicates with the third opening, and the audio signal can enter the second channel 34 from the third opening of the first channel 33, or the audio signal can enter the first channel 33 from the third opening, thereby achieving communication between the second channel 34 and the first channel 33.

It will be appreciated that the external driving force may be transmitted to the driving member 80 along the first and second communication sections, and the sound signal may be transmitted along the first and second passages 34, and further, the transmission process of the external driving force and the transmission process of the sound signal may share the first communication section.

One end opening of the second channel 34 is disposed on the first surface 311 of the bearing plate 31, the other end opening of the second channel 34 may be disposed on an inner wall of the middle frame 30 corresponding to the third opening of the first channel 33, the other end opening of the second channel 34 is communicated with the third opening to achieve communication between the second channel 34 and the first channel 33, and further, the second channel 34 extends from the first surface 311 of the bearing plate 31 to be communicated with the first channel 33. The acoustic-electric conversion device 70 may include a sound-emitting surface, which may be disposed toward the first opening of the second channel 34 on the first surface 311, so that the acoustic-electric conversion device 70 may transmit the sound signal through the second channel 34 and the first channel 33. Since the circuit board 40 of the electronic device 100 is generally disposed in parallel on the carrier plate 31, that is, the surface of the circuit board 40 is parallel to the first surface 311 of the carrier plate 31. When the sound emitting surface of the acoustic-electric conversion device 70 is disposed toward the opening of the second channel 34 on the first surface 311, at this time, the sound emitting surface of the acoustic-electric conversion device 70 may be parallel to the first surface 311, and further, the sound emitting surface of the acoustic-electric conversion device 70 may be disposed parallel to the surface of the circuit board 40, compared with a scheme perpendicular to the surface of the circuit board 40, the stability of the acoustic-electric conversion device 70 according to the embodiment of the present application is better, a supporting member for fixing the acoustic-electric conversion device 70 is not required to be disposed, the requirement of the acoustic-electric conversion device 70 on the installation space in the thickness direction of the electronic device 100 is low, and the installation difficulty of the acoustic-electric conversion device 70 can be reduced.

The second channel 34 may extend through one bending or turning or multiple bending or turning in the middle frame 30 to form a bent hole, and the specific bending position of the bent hole may be flexibly set so as to communicate with the first channel 33.

The inner wall of the second channel 34 may be a smooth inner wall, and the acoustic signal is transmitted in the second channel 34 with less collision loss.

In the electronic device 100 provided in the embodiment of the application, the first opening of the first channel 33 is disposed on the second surface 321 of the bezel 32, and the first channel 33 extends from the second surface 321 to the third surface 322 of the bezel 32; the opening of the second channel 34 is disposed on the first surface 311 of the carrier plate 31, the second channel 34 extends from the first surface 311 to communicate with the first channel 33, and since the frame 32 protrudes from the first surface 311 of the carrier plate 31 on at least one side of the carrier plate 31, the first channel 33 and the second channel 34 are not on the same straight line, and external driving force does not enter the second channel 34 when being transmitted in the first channel 33, and the sound-to-electricity conversion device 70 is not damaged. The external driving force can act on the driving member 80 disposed toward the first channel 33 through the first channel 33 along the first opening of the first channel 33, and the sound signal can also be transmitted into the acoustic-electric conversion device 70 disposed toward the second channel 34 through the first channel 33 and the second channel 34 along the first opening of the first channel 33, so that the external driving force and the sound signal can share one opening, the number of openings on the electronic apparatus 100 is reduced, and the influence of the opening on the structural strength of the electronic apparatus 100 can be reduced. Moreover, the opening of the second channel 34 is disposed on the first surface 311 of the bearing plate 31, and compared with the scheme that the opening of the second channel 34 is disposed on the frame 32, the hollow structure on the frame 32 can be reduced, and the influence of the second channel 34 on the strength of the frame 32 is reduced.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a driving element according to an embodiment of the present application. The driving member 80 may include a first end portion 81 and a second end portion 82, the second end portion 82 may be disposed outside the first channel 33, the second end portion 82 is connected to the card holder, and the second end portion 82 may transmit the force applied to the driving member 80 to the card holder.

The first end 81 of the driving member 80 may be disposed outside of the first passage 33 opposite the first passage 33 so that external driving force can be transmitted to the driving member 80 along the first passage 33.

The first end 81 can also enter the inside of the first channel 33 from the second opening of the first channel 33, and the first end 81 can be located in the second communicating section of the first channel 33, on one hand, the first end 81 can be connected with the inner wall of the middle frame 30 where the second communicating section is located, so as to realize sealing of the second communicating section and prevent leakage of the sound signal; on the other hand, the inner wall of the middle frame 30 where the second communicating section is located can also limit and guide the driving member 80, so as to prevent the driving member 80 from deviating from the moving track in the moving process.

In order to raise the guiding effect of the first channel 33 on the driving member 80, a protrusion 35 may also be provided on the middle frame 30. Referring to fig. 5, fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The protrusion 35 protrudes from the third surface 322 of the frame 32 at the side of the third surface 322, and the first channel 33 extends through the protrusion 35, so that the first opening of the first channel 33 is disposed on the first surface 311, and the second opening of the first channel 33 can be disposed on the protrusion 35.

It is understood that the protrusion 35 protrudes from the third surface 322 of the frame 32 on the side of the third surface 322, the protrusion 35 is located in the extending direction of the first channel 33, and further, the protrusion 35 and the second communicating section are located on the same side of the third opening of the first channel 33.

Wherein the first end 81 of the driver 80 may be located within the protrusion 35 and the second end 82 of the driver 80 may be located outside the protrusion 35. At this time, the external driving force may be transmitted to the driving member 80 along the first passage 33 and the protrusion 35, and the driving member 80 may move within the protrusion 35.

The first end 81 of the driving member 80 may be located in the second communicating section and the protrusion 35, and the second end 82 of the driving member 80 may be located outside the protrusion 35, in which case the external driving force may be transmitted to the driving member 80 along the first communicating section, the second communicating section and the protrusion 35, and the driving member 80 may move in the second communicating section and the protrusion 35.

It will be appreciated that the shape of the first end 81 of the drive member 80 may be adapted to the shape of the first channel 33 to provide smoother movement of the drive member 80 within the first channel 33. For example, the first passage 33 is a through hole of cylindrical structure, and the first end 81 of the driving member 80 may also be of cylindrical structure; the first passage 33 is a conical bore, and the first end 81 of the driving member 80 may also be a conical structure.

The second end 82 of the driving member 80 and the first end 81 of the driving member 80 can be an integral structure, and the outer diameter of the second end 82 of the driving member 80 can be larger than the inner diameter of the first channel 33, so that the second end 82 of the driving member 80 can not penetrate out of the first channel 33 during the movement of the driving member 80.

The electronic device 100 of the embodiment of the application further includes a first sealing element 91, and the first sealing element 91 may be located in the first channel 33, and specifically, may be located in the second communication section of the first channel 33, so as to seal and connect the driving element 80 and the inner wall of the middle frame 30 where the second communication section is located, so as to achieve sealing of the second communication section.

With continued reference to fig. 4, the driving member 80 may be provided with a first groove 83 matching the shape and size of the first sealing member 91, and at least a portion of the first sealing member 91 may be located in the first groove 83. At this time, one surface of the first seal 91 is in interference connection with the inner wall of the middle frame 30 where the first passage 33 is located, and the other surface of the first seal 91 is in interference connection with the bottom wall of the first groove 83.

In the electronic device 100 of the embodiment of the application, the first groove 83 is disposed on the driving member 80, on one hand, the first sealing member 91 can be accommodated in the first groove 83, and the space occupied by the first sealing member 91 is reduced; on the other hand, in the case where the size of the first passage 33 and the size of the driver 80 are not changed, the thickness of the first seal 91 may be larger to further enhance the sealing performance with the first passage 33.

It will be appreciated that the shape of the first groove 83 may be a regular shape such as a ring, an arc, or other irregular shape, and accordingly, the shape of the first seal 91 may be a ring, an arc, or other shape that matches the shape of the first groove 83.

With reference to fig. 3, in order to prevent the driving member 80 from damaging the circuit board 40 during the movement process, the circuit board 40 may further include a receiving groove 41. The receiving groove 41 is disposed toward the first channel 33, that is, the receiving groove 41 is located in the extending direction of the driving member 80. When an external driving force acts on the driving member 80, the driving member 80 can move into the accommodating groove 41, and the accommodating groove 41 can accommodate the driving member 80. The accommodating groove 41 is formed in the circuit board 40, so that an avoiding space can be formed in the circuit board 40, and the driving member 80 is prevented from damaging the circuit board 40 in the movement process.

The length of the accommodating groove 41 can be set according to the movement stroke of the driving element 80, the movement stroke of the driving element 80 is longer, and the length of the accommodating groove 41 can be longer; when the movement stroke of the driving member 80 is short, the length of the receiving groove 41 may be short, and even the receiving groove 41 may not be formed on the circuit board 40.

Referring to fig. 6 and 7, fig. 6 is a first structural schematic diagram of a middle frame provided in the embodiment of the present application, and fig. 7 is a second structural schematic diagram of the middle frame provided in the embodiment of the present application. The bearing plate 31 of the middle frame 30 further includes a fourth surface 312 opposite to the first surface 311, and the second channel 34 is further provided with at least a third communicating section 341, a fourth communicating section, and a fifth communicating section 343, which are sequentially communicated with each other.

Wherein, the fourth communicating section may include a second groove 342 formed on the carrier plate 31, and an opening of the second groove 342 is disposed on the fourth surface 312. During the production process, the fourth surface 312 of the carrier plate 31 may be directly processed by machining, milling or boring to form the second groove 342, and the forming process of the second groove 342 is simpler. Moreover, the opening of the second groove 342 is disposed on the fourth surface 312 of the carrier plate 31, and compared with the scheme that the second groove 342 is disposed inside the carrier plate 31, the second groove 342 can reduce the hollow structure inside the carrier plate 31, thereby reducing the influence of the slot on the structural strength of the carrier plate 31.

The second groove 342 may extend along a straight line to form a straight groove, and the second groove 342 may also extend through one bending or changing direction, or through multiple bending or changing directions to form a curved groove.

The inner wall of the second groove 342 may be a smooth inner wall, and the collision loss of the sound signal is less when the sound signal is transmitted in the sealed cavity.

When the middle frame 30 is located inside the housing, the second groove 342 may form a sound guide channel with the housing, and a sound signal may be transmitted in the sound guide channel. To increase the tightness of the transmission of the acoustic signals, the second seal 92 may be provided at the second groove 342, as shown in fig. 3.

The second seal 92 is located on one side of the second groove 342 toward the opening direction of the second groove 342. The second sealing member 92 is located on the fourth surface 312 of the carrier plate 31, the second sealing member 92 covers the opening of the second groove 342, and the second sealing member 92 can be connected with the inner wall of the second groove 342 in a sealing manner. Furthermore, the second sealing member 92 seals the opening of the second groove 342, the second sealing member 92 and the inner wall of the second groove 342 form a sealed cavity, the two members jointly define a fourth communication section of the second channel 34, and the sound signal can be transmitted in the fourth communication section of the second channel 34 and cannot leak to other parts of the housing.

The shape and size of the second sealing element 92 can be adapted to the shape and size of the second groove 342; the size of the second seal 92 may also be larger than the size of the second groove 342 so that the second seal 92 may completely cover the second groove 342.

The second sealing member 92 may be sealingly connected to the inner wall of the second recess 342 by a sealing compound. The second sealing member 92 can also be inserted into the second groove 342, such that the second sealing member 92 is in interference fit with the inner wall of the second groove 342, thereby sealing the second sealing member 92 with the second groove 342.

A sealing portion may be disposed on the fourth surface 312, and the sealing portion may be connected to the second sealing member 92 to seal the second groove 342.

Specifically, the sealing portion may protrude from the fourth surface 312, one end of the sealing portion may be communicated with the second groove 342, the second sealing element 92 may be accommodated in the sealing portion and interference-connected with an inner wall of the sealing portion, the sealing portion may accommodate the second sealing element 92, and the second sealing element 92 is more stably installed.

The sealing portion may have a groove structure formed by the fourth surface 312 being recessed toward the first surface 311, and the sealing portion may communicate with the second groove 342. The projection of the sealing portion on the fourth surface 312 may cover the projection of the second groove 342 on the fourth surface 312, and when the second sealing member 92 is embedded in the sealing portion 344 and is connected with the periphery of the sealing portion in a sealing manner, the second groove 342 may be completely covered, thereby further increasing the sealing performance of the second groove 342.

It is understood that the thickness of the sealing portion may be greater than or equal to the thickness of the second seal 92, and the second seal 92 may be completely contained within the sealing portion. Preferably, the thickness of the sealing portion may be equal to the thickness of the second sealing member 92 so that the surface of the second sealing member 92 is flush with the surface of the sealing portion.

The sealing portion is provided in the embodiment of the present application, on one hand, the second sealing member 92 is located in the sealing portion, and the installation of the second sealing member 92 is more stable, and on the other hand, the second sealing member 92 is simultaneously in sealing connection with the sealing portion and the second groove 342, so that the sealing performance of the second groove 342 is also improved, and the sound signal is prevented from leaking.

It should be noted that the sealing connection manner between the second seal 92 and the second groove 342 and the sealing portion in the embodiment of the present application is not limited to the above example, and other manners that can seal the second seal 92 and the second groove 342 and the sealing portion are also within the protection scope of the present application.

Wherein, a fifth communicating section 343 may be formed at the rim 32, and the fifth communicating section 343 communicates the second groove 342 and the first passage 33. Specifically, the bottom wall of the second groove 342 may be provided with a first region and a second region. One end opening of the fifth communicating section 343 is disposed in the first region, the other end opening of the fifth communicating section 343 is disposed on the inner wall of the middle frame 30 where the first channel 33 is located, the fifth communicating section 343 extends from the bottom wall of the first region of the second groove 342 to the inner wall of the first channel 33, the fifth communicating section 343 is communicated with the first channel 33, and thus the sound signal can be transmitted along the first channel 33, the fifth communicating section 343 and the second groove 342.

Also, the other end opening of the fifth communicating section 343 may communicate with the third opening of the first passage 33, so that the sound signal may enter the fifth communicating section 343 from the first communicating section, or the sound signal may enter the first communicating section from the fifth communicating section 343.

The fifth communicating section 343 may extend along a straight line to form a straight hole, and the fifth communicating section 343 may also extend by bending or changing directions once or by bending or changing directions multiple times to form a curved hole.

The inner wall of the fifth communicating section 343 may be a smooth inner wall, and the collision loss of the sound signal is less when the sound signal is transmitted in the fifth communicating section 343.

The third communicating section 341 may extend from the first surface 311 to the fourth surface 312 of the bearing plate 31, specifically, an opening at one end of the third communicating section 341 may be disposed in the second region of the second groove 342, an opening at the other end of the third communicating section 341 is disposed on the first surface 311 of the bearing plate 31, the third communicating section 341 extends from the bottom wall of the second region of the second groove 342 to the first surface 311, and further, the third communicating section 341 is communicated with the second groove 342, and the third communicating section 341 penetrates through the fourth surface 312 and the first surface 311 of the bearing plate 31.

The third communicating portion 341 may extend along a straight line to form a straight hole, and the path loss of the sound signal is less when the sound signal is transmitted through the straight hole. The third communicating portion 341 may also be bent or extended in a direction-changing manner once, or bent or extended in a direction-changing manner multiple times to form a curved hole, and the specific bending position of the curved hole may be flexibly set so as to communicate with the sound output surface of the acoustic-electric converter 70.

The inner wall of the third communicating portion 341 may be a smooth inner wall, and the collision loss of the sound signal is less when the sound signal is transmitted in the third communicating portion 341.

Wherein the other end opening of the third communicating section 341 may be disposed toward the sound outlet surface of the acoustic-electric conversion device 70, so that the sound transmitted by the acoustic-electric conversion device 70 may enter the first communicating section 341 from the second opening, or so that the sound signal transmitted along the third communicating section 341 enters the acoustic-electric conversion device 70 from the other end opening of the third communicating section 341.

When the acoustic-electric conversion device 70 is mounted on the circuit board 40, with continued reference to fig. 3, the circuit board 40 may be further provided with a through hole 42, the through hole 42 may be disposed toward the third communicating section 341, and an opening of the through hole 42 on one surface of the circuit board 40 may be disposed opposite to the other end opening of the third communicating section 341 so that the through hole 42 communicates with the third communicating section 341. The through hole 42 opened on the other surface of the circuit board 40 may be disposed toward the sound-emitting surface of the acoustic-electric conversion device 70, and the sound-emitting surface of the acoustic-electric conversion device 70 is disposed toward the through hole 42, and the sound signal may be transmitted in the through hole 42, the third communicating section 341, the second groove 342, the fifth communicating section 343, and the first passage 33.

Wherein, a third sealing member 93 may be disposed between the circuit board 40 and the carrier plate 31. One side surface of the third sealing member 93 is attached to and sealed with one surface of the circuit board 40, and the other side surface of the third sealing member 93 is attached to and sealed with the first surface 311 of the carrier plate 31. Furthermore, one side surface of the third sealing member 93 can be connected with the periphery of the opening of the third communicating section 341 of the second channel 34 on the first surface 311 in a sealing manner, and the other side surface of the third sealing member 93 is connected with the periphery of the opening of the through hole 42 on the circuit board 40 in a sealing manner, so that the sealing performance of the joint of the third communicating section 341 and the through hole 42 can be enhanced, and the quality of sound signal transmission can be improved.

The third seal 93 may be an annular seal, and the third communication section 341, the annular seal, and the through hole 42 communicate in this order. One side surface of the ring-shaped sealing member is sealingly connected to the periphery of the opening 341 of the third communicating section 341 on the first surface 311, and the other side surface of the ring-shaped sealing member is sealingly connected to the periphery of the opening of the through-hole 42 on the circuit board 40. The third sealing member 93 may also be an arc-shaped sealing member which is disposed around the junction of the third communicating section 341 and the through hole 42 and is sealingly connected to the periphery of the junction.

It is understood that the structure of the third sealing member 93 is not limited to the above examples, and other sealing members capable of sealing the connection between the first communication segment 341 and the through hole 42 are within the scope of the present application.

Referring to fig. 8 to 10, fig. 8 is a fourth structural schematic diagram of an electronic device according to an embodiment of the present disclosure, fig. 9 is a cross-sectional view of the electronic device shown in fig. 8 along a direction a-a, and fig. 10 is a cross-sectional view of the electronic device shown in fig. 8 along a direction B-B. The transmission path of the sound signal of the embodiment of the present application may be as follows:

first, the sound signal is transmitted from the sound-emitting surface of the acoustic-electric conversion device 70 along the through hole 42 of the circuit board 40 into the third communicating section 341 and into the third communicating section 341; then, the sound signal is transmitted into the second groove 342 of the fourth communicating section along the third communicating section 341, and is transmitted from the second region of the second groove 342 to the first region of the second groove 342; then, the sound signal is transmitted from the first region of the second groove 342 into the fifth communicating section 343, and is transmitted within the fifth communicating section 343; finally, the sound signal enters the first communicating section of the first channel 33 from the fifth communicating section 343, and is finally transmitted to the outside of the electronic apparatus 100 from the first opening of the first channel 33.

It can be understood that the transmission path of the sound signal in the embodiment of the present application may also be the inverse process of the transmission path, that is, the sound signal may be transmitted through the first channel 33, the fifth communicating section 343, the fourth communicating section, the third communicating section 341 and the through hole 42 in sequence, and the specific transmission path is as follows:

first, the sound signal may enter the first channel 33 of the bezel 32 from the opening of the electronic device 100, and the sound signal is transmitted in the first communication section of the first channel 33 and transmitted from the third opening of the first channel 33 to the fifth communication section 343; then, the sound signal is transmitted in the fifth communicating section 343 and is transmitted from the fifth communicating section 343 to the first region of the second groove 342 of the fourth communicating section; then, the sound signal is transmitted in the fourth communicating section and is transmitted from the first region to the second region of the second groove 342 and enters the third communicating section 341; finally, the sound signal is transmitted in the third communicating section 341 and is finally transmitted from the third communicating section 341 to the acoustoelectric conversion device 70 along the through hole 42.

In the electronic device 100 of the embodiment of the application, the first channel 33 penetrates through the second surface 321 and the third surface 322 of the frame 32, the fifth communicating section 343 penetrates through the fourth surface 312 of the loading board 31 and the hole wall of the first channel 33, an opening of the second groove 342 in the fourth communicating section is disposed on the fourth surface 312 of the loading board 31, the third communicating section 341 penetrates through the fourth surface 312 and the first surface 311 of the loading board 31, and further, the first channel 33, the fifth communicating section 343, the second communicating section, and the first communicating section 341 can be directly processed and formed on the surfaces of the loading board 31 and the frame 32, and the forming process is simpler.

It should be noted that the electronic device 100 of the present application may further include other electronic devices, for example, a camera, a sensor, and the like, and the structures and the installation positions of these electronic devices may be the same as those of the electronic devices in the related art, which is not repeated herein.

In the description of the present application, it is to be understood that terms such as "first", "second", and the like are used merely to distinguish one similar element from another, and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated.

The electronic device provided by the embodiment of the application is described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.