Patent Description:
When there is a pressure difference between an internal space and an external space of a terminal device, sound transmission of an acoustic component is affected, and a noise occurs. In the prior art, a terminal device adjusts a pressure balance by using a hole structure on an internal structure of the terminal device. For example, a hole structure is disposed on a middle frame of a mobile phone, so that air can flow inside and outside the mobile phone. This increases a layout difficulty of the middle frame and affects integrity of the middle frame.

<CIT> discloses a member adapted to be mounted to a housing. The member adapted to be mounted to a housing is provided with a mounting portion and a protrusion portion. The protrusion portion forms a first air flow passage between the protrusion portion and an opening in the housing of an electronic device. The mounting portion forms a second air flow passage between the mounting portion and a wall in which the opening in the housing is formed.

<CIT> discloses a housing assembly, including a housing, a decorating part, and an adhesive assembly. The housing is provided with a through hole. The decorating part includes a substrate and a decorating ring protruding from the substrate. An air hole is disposed on the substrate. The air hole is located on an outer side of the decorating ring. The decorating ring is at least partially accommodated in the through hole. A gap is formed between an outer peripheral side surface of the decorating ring and a hole wall of the through hole. The adhesive assembly is attached between the substrate and the housing in a sealed manner. The adhesive assembly is disposed around the decorating ring and the air hole, and a channel is formed between the adhesive assembly and the outer peripheral side surface of the decorating ring. The channel communicates with the gap and the air hole. The housing assembly can rapidly balance internal and external air pressure. This application further discloses a terminal.

<CIT> discloses a structure including: an electronic apparatus case having a vent; an internal pressure regulating sheet that is attached to the case surface in the periphery of the vent by an annular adhesive layer while the vent is closed and has both breathability and a waterproof property; and a protective cover that is attached to the case surface in the state of being laminated on the surface of the internal pressure regulating sheet and has non-breathability and waterproof property. In the protective cover surface, at least one through hole is formed at the position that does not face the vent and faces the internal pressure regulating sheet surface, and a ventilation path is formed among the through hole, the inside of the wall thickness of the internal pressure regulating sheet, and the vent.

<CIT> discloses a mobile device including a battery cover having an LED hole with a size to allow at least one portion of the LED lens to pass therethrough, a lens support part disposed under the battery cover while supporting a portion of a lower surface of the LED lens, the lens support part having a ventilation hole with a predetermined size, an LED device generating light emitted through the LED lens, a waterproof tape disposed between a lower portion of the battery cover and the lens support part to prevent moisture from being penetrated, and an air vent filter which is a member allowing air to be ventilated through the ventilation hole, the air vent filter being disposed under the lens support part.

<CIT> discloses a casing constituting a connector casing required to have a sealing property, and the cover is constituted by a cover main body provided with, in its own part, a large vent hole passing through the connector casing in an inward and outward direction and having a predetermined inner diameter size; a permeable sheet which has a property to permit permeation of a gas and to prevent permeation of a liquid and a solid, and is integrally joined to an outside peripheral part of the large vent hole so as to cover the large vent hole from its outside; and a cover member which is disposed outside the permeable sheet to cover the permeable sheet from its outside and a ring-shaped protrusion of which is hermetically joined to the casing main body, and the cover member is provided with a small vent hole in its own inward and outward direction, which has an inner diameter smaller than the large vent hole and connects the large vent hole and the air through the permeable sheet.

<CIT> discloses a mobile terminal comprising a housing provided with an inner cavity, and a receiver arranged in the inner cavity, wherein the inner cavity comprises a receiver front cavity and a receiver rear cavity, which are isolated from each other, the receiver front cavity and the receiver rear cavity are respectively located on the front and rear sides of the receiver on the vibration direction of a vibrating diaphragm of the receiver, a first sound outlet hole communicating with the receiver front cavity is formed in the housing, and a second sound outlet hole communicating with the receiver rear cavity is formed in the housing.

In view of this, this application provides a housing with pressure balancing performance.

According to a first aspect, this application provides a housing, including a first housing, a second housing, a decoration part, and a first breathable film, where the first housing is attached outside the second housing, the first housing is provided with a first through-hole, the decoration part is disposed on the first housing and covers the first through-hole, and the second housing is provided with a connected second through-hole; the decoration part is provided with a third through-hole; an orthographic projection of the third through-hole on the second housing is located outside an orthographic projection of the second through-hole on the second housing; and a first gap exists between the decoration part and the second housing, and the first gap is communicated with both the second through-hole and the third through-hole; and the first breathable film is disposed on the second housing between the first housing and the second housing and covers the second through-hole.

In the foregoing design, the second through-hole provided by the second housing, the third through-hole provided by the decoration part, and the first gap between the decoration part and the second housing form an airflow channel on the housing, and the first breathable film is disposed on the second through-hole, so that the housing has pressure balancing performance.

The housing provides an airflow channel. When the housing is installed on a device, no internal space of the device is occupied, and a pressure balancing structure does not need to be disposed inside the device.

A first groove is disposed on a side of the second housing that faces the first housing, and the first groove intersects the second through-hole; and the decoration part is connected to the first housing on a peripheral side of the first through-hole in a sealed manner, and the first gap exists between a part of the decoration part and a groove wall of the first groove.

In the foregoing design, the first groove and the second through-hole that are disposed on the second housing and the first gap formed between the decoration part and the second housing form an airflow channel; and the channel has a simple structure, and can be easily manufactured on the housing.

In a possible design, the housing further includes a support member; two sides of the support member are respectively in contact with the groove wall of the first groove and the decoration part; and the support member is provided with a second groove, and the second groove forms the first gap.

In the foregoing design, the support member provides support for the decoration part, thereby improving structural stability of the first gap between the second housing and the decoration part.

In a possible design, the first breathable film is attached to the groove wall of the first groove; the housing further includes a pressing member, and the pressing member abuts on the first breathable film; and a third groove is disposed in the pressing member, and the third groove is communicated with both the first gap and the second through-hole.

In the foregoing design, the pressing member applies a force on the first breathable film, so that the first breathable film is stably connected to the second housing.

In a possible design, the pressing member is bonded to the first housing or the groove wall of the first groove.

In the foregoing design, a position of the pressing member is stable, and the pressing member is stably pressed against the first breathable film, so that the airflow channel is not blocked due to a position change.

In a possible design, the decoration part includes a main body and a connection portion; the connection portion is disposed on a peripheral side of the main body; and the main body is exposed from the first through-hole; and the connection portion is connected to the first housing in a sealed manner, and the main body or the connection portion is connected to the second housing.

In the foregoing design, the connection portion is disposed on the first housing, so that the first housing is connected to the decoration part on the peripheral side of the first through-hole in a sealed manner. The connection portion is partially disposed on the second housing, and the first gap between the decoration part and the groove wall of the first groove is formed at a disconnection point between the connection portion and the second housing.

In a possible design, a second gap exists between a side wall of the connection portion and the pressing member; and the second gap is communicated with the first gap.

In the foregoing design, the second gap is communicated with the first gap, so that air can flow between the third through-hole and the second through-hole.

In a possible design, the first breathable film is a film structure with waterproof performance, the first housing is a structure made of a soft material with waterproof performance, and a hardness of the decoration part is greater than that of the first housing.

In the foregoing design, the first housing is located outside the device, and the first housing is made of a soft material. When a waterproof test is performed on the device, a fixture may be used to seal the third through-hole on the decoration part, so that the third through-hole is not disposed on the first housing that may easily deform, so as to avoid a problem that when the fixture acts on the first housing, the first housing deforms and results in a sealing failure.

In a possible design, the housing further includes a second breathable film, and the second breathable film is disposed on the decoration part and covers the third through-hole.

In the foregoing design, the second breathable film further improves reliability of the housing.

In the foregoing design, the third through-hole is disposed in the annular structure, an appearance of the housing is beautified; the third through-hole is disposed in the annular structure, and a space for disposing the third through-hole does not need to be provided on the decoration part outside the annular structure, thereby improving structural compactness of the decoration part.

According to a second aspect, this application provides a terminal device, where the housing is configured to isolate an internal space of the terminal device from an external space of the terminal device, the third through-hole is communicated with the external space of the terminal device, and the first housing forms an outer surface of the terminal device.

For a technical effect brought by the second aspect, refer to the descriptions about the housing structure in the first aspect.

Housing: <NUM>, 100a, and 100b; first housing: <NUM>; first through-hole: <NUM>; second housing: <NUM>, 20a, and 20b; second through-hole: <NUM>; first groove: <NUM>; groove wall: <NUM>; support portion: <NUM>; sixth groove: <NUM>; decoration part: <NUM>; third through-hole: <NUM>; main body: <NUM>; connection portion: <NUM>; first breathable film: <NUM>; support member: <NUM>; second groove: <NUM>; pressing member: <NUM> and 60a; third groove: <NUM>; fourth through-hole: <NUM>; fourth groove: <NUM>; fifth groove: <NUM>; second breathable film: <NUM>.

To further describe technical means and effects that are used by this application to achieve a predetermined application objective, the following describes embodiments with reference to accompanying drawings and implementations. Apparently, the described embodiments are only some rather than all of the embodiments of this application.

Unless otherwise defined, all technical and scientific terms as used herein have the same meanings as those usually understood by a person skilled in the art of this application. The terms used in the specification of this application herein are only used to describe particular embodiments, but not intended to limit this application.

Some implementations of this application provide a housing, including a first housing, a second housing, a decoration part, and a first breathable film. The first housing is attached outside the second housing. The first housing is provided with a first through-hole. The decoration part is disposed on the first housing and covers the first through-hole. The second housing is provided with a communicated second through-hole. The decoration part is provided with a third through-hole. An orthographic projection of the third through-hole on the second housing is located outside an orthographic projection of the second through-hole on the second housing. A first gap exists between the decoration part and the second housing, and the first gap is communicated with both the second through-hole and the third through-hole. The first breathable film is disposed on the second housing and covers the second through-hole.

In the foregoing housing, the first housing is disposed outside the second housing, and the decoration part is disposed on the first housing; and the second through-hole provided by the second housing, the third through-hole provided by the decoration part, and the first gap between the decoration part and the second housing form an airflow channel on the housing, and the first breathable film is disposed on the second through-hole, so that the housing has pressure balancing performance.

The following describes in detail some embodiments of this application with reference to the accompanying drawings. The following embodiments and features in the embodiments may be combined, provided that no conflict occurs.

Referring to both <FIG>, the first embodiment of this application provides a housing <NUM>. The housing <NUM> is configured to be installed on a device (not shown in the figure), and the housing <NUM> can balance an internal space of the device and an external space of the device. The housing <NUM> includes a first housing <NUM>, a second housing <NUM>, a decoration part <NUM>, and a first breathable film <NUM>. The first housing <NUM> is disposed outside the second housing <NUM>. The first housing <NUM> is provided with a first through-hole <NUM>. The decoration part <NUM> is disposed on the first housing <NUM> and covers the first through-hole <NUM>. The second housing <NUM> is provided with a communicated second through-hole <NUM>. The decoration part <NUM> is provided with a third through-hole <NUM>. An orthographic projection of the third through-hole <NUM> on the second housing <NUM> is located outside an orthographic projection of the second through-hole <NUM> on the second housing <NUM>. A first gap exists between a side of the decoration part <NUM> that faces the second housing <NUM> and the second housing <NUM>. According to the invention, the first breathable film <NUM> is disposed between the first housing <NUM> and the second housing <NUM> and covers the second through-hole <NUM>.

When the housing <NUM> is installed on a device, the second housing <NUM> faces the inside of the device, and the decoration part <NUM> and the first housing <NUM> face the outside of the device. The first housing <NUM> forms an outer surface of the device. When an internal pressure of the device increases, air passes through the second through-hole <NUM>, the first breathable film <NUM>, the first gap between the decoration part <NUM> and the second housing <NUM>, and is discharged from the third through-hole <NUM> to the outside of the device, so as to balance the internal pressure and an external pressure of the device. In addition, when the internal pressure of the device decreases, the air may also enter from the third through-hole <NUM>, and enter the device through the first gap between the decoration part <NUM> and the second housing <NUM>, the first breathable film <NUM>, and the second through-hole <NUM>. The air may be exchanged with an external device by using the housing <NUM>, so as to ensure pressure balance of the device and improve function stability of the device.

In this embodiment, the first breathable film <NUM> is a film structure with waterproof performance. An orthographic projection of the third through-hole <NUM> on the second housing <NUM> is located outside the second through-hole <NUM>, and the third through-hole <NUM> and the second through-hole <NUM> are disposed in staggered manner, so that a sharp object outside the device does not pierce the first breathable film <NUM> through the third through-hole <NUM>, thereby improving waterproof performance of the housing <NUM>.

In this embodiment, the housing <NUM> is applied to a terminal device (not shown in the figure). Specifically, the housing <NUM> is applied to a mobile phone, but is not limited thereto. The terminal device includes but is not limited to a mobile phone, a tablet computer, a smartwatch, and a notebook computer.

In the first embodiment of this application, a hole structure (the first through-hole <NUM>, the second through-hole <NUM>, and the third through-hole <NUM>) is disposed on the housing <NUM>, and the first gap between the decoration part <NUM> and the second housing <NUM> is formed on the housing <NUM>, so as to provide a channel through which the air flows inside and outside the device, thereby implementing pressure balance. In this manner, no internal space of the device is not occupied, space utilization of the device and integrity of a structural component inside the device are improved, and strength of the structural component is further improved.

To change a touch feeling or appearance of the device, in this embodiment, the first housing <NUM> is made of a soft material with waterproof performance, the second housing <NUM> is made of a plastic material, and the decoration part <NUM> is made of a metal material. The soft material includes but is not limited to a material that has a waterproof property and is formed by processing, such as cloth, leather, or fur. In this embodiment, the first housing <NUM> is made of PU (Polyurethane, polyurethane) artificial leather. It can be understood that, in another embodiment, the first housing <NUM> may alternatively be a hard housing structure, and the second housing <NUM> and the decoration part <NUM> may alternatively be made of another material.

In this embodiment, the decoration part <NUM> is configured to decorate the housing <NUM>. For example, the decoration part <NUM> may be a nameplate, a label, or the like. An annular structure (not shown in the figure) is disposed on a side of the decoration part <NUM> that is away from the second housing <NUM>. The annular structure can be exposed from the first through-hole <NUM>. The third through-hole <NUM> is located in the annular structure. The annular structure can be in a shape of a letter, a character, or a graph. For example, the letter can be "P", "O", "D", "R", or the like; the character can be "<IMG>", "<IMG>" , "<IMG>", or the like; and the graph can be "Δ", "□" or in a shape of a flower.

The third through-hole <NUM> is disposed in the annular structure, and a space for disposing the third through-hole <NUM> does not need to be provided on the decoration part <NUM> outside the annular structure, thereby improving structural compactness of the decoration part <NUM>. A quantity of third through-holes <NUM> is not limited. For example, in an embodiment, the quantity of third through-holes <NUM> may be the same as a quantity of annular structures. A shape of the third through-hole <NUM> is similar to an annular structure. For example, the annular structures includes "Δ" and "D", and there are two third through-holes <NUM>: The shape of one third through-hole <NUM> is similar to "Δ", and the shape of the other third through-hole <NUM> is similar to "D". In another embodiment, a plurality of third through-holes <NUM> may be disposed in each annular structure. A plurality of third through-holes <NUM> are disposed in an annular structure to reduce a hole diameter of the third through-hole <NUM>, so as to prevent a sharp object outside the device from piercing the third through-hole <NUM>.

There may also be one or more second through-holes <NUM>, and each second through-hole <NUM> is covered by the first breathable film <NUM>.

Generally, a terminal device matches a suitable protection cover. For example, a mobile phone and a tablet computer match protection covers. To ensure clear imaging, a camera assembly is exposed from the protection cover. In the prior art, the terminal device balances an internal pressure and an external pressure of the terminal device by providing a hole structure communicated with the camera assembly. However, a user may attach a protective film to the camera assembly to protect the camera, and the protective film closes the hole structure of the camera assembly, which disables a pressure balancing function of the terminal device.

Generally, a corresponding part is exposed from the protection cover based on performance of the terminal device, for example, a camera, a receiver, or a microphone is exposed. Correspondingly, when the housing <NUM> in the first embodiment of this application is applied to the terminal device, the protection cover of the terminal device is correspondingly exposed from the third through-hole <NUM>, so that the pressure balancing performance of the terminal device is not disabled.

It can be understood that, in another embodiment, the housing <NUM> may alternatively be applied to another device that includes an acoustic component and needs to be waterproof, such as a learning machine or a robot.

Referring to <FIG>, the second housing <NUM> is connected to the first housing <NUM> by using an adhesive, and is sealed at a connection point, but is not limited thereto. It can be understood that, in another embodiment, the first housing <NUM> may alternatively be disposed outside the second housing <NUM> in another manner, for example, by using a fastener, and may be connected in a sealed manner on an outer circumference of an airflow channel (a channel formed by a second through-hole <NUM>, a third through-hole <NUM>, and the first gap between the decoration part <NUM> and the second housing <NUM>) on the housing <NUM>. The decoration part <NUM> is bonded to the peripheral side of the first through-hole <NUM> of the first housing <NUM> in a sealed manner, to avoid a gap between the decoration part <NUM> and the first housing <NUM>, so as to prevent liquid outside the device from entering the device. Specifically, the decoration part <NUM> is connected to the first housing <NUM> by using an adhesive, and is sealed at a connection point.

An existing terminal device is provided with a hole structure on a groove between parts. For example, the hole structure is provided on a groove between a camera decoration part and a battery cover (the battery cover is a housing structure of the terminal device), so that internal air is exchanged with air in the external space through the hole structure and the groove, to implement pressure balance. When a waterproof performance test is performed on the terminal device, the hole structure needs to be sealed by using a fixture. However, when the battery cover of the terminal device is made of a soft material, the battery cover is easily deformed by force, and the sealing of the hole structure may fail.

In the first embodiment of this application, a hardness of the decoration part <NUM> is greater than that of the first housing <NUM>. When a test such as a waterproof test is performed on the device, a fixture (not shown in the figure) is used on the decoration part <NUM> to seal the third through-hole <NUM>, so as to ensure that the that the entire device is in a sealed state. The hole structure (the third through-hole <NUM>) from which the air enters the device is not disposed on the first housing <NUM> that may easily deform, so as to avoid a problem that when the fixture acts on the first housing <NUM>, the first housing <NUM> deforms and results in a sealing failure.

A first groove <NUM> is disposed on a side of the second housing <NUM> that faces the first housing <NUM>. The first groove <NUM> intersects the second through-hole <NUM>. A first gap exists between the decoration part <NUM> and a groove wall <NUM> of the first groove <NUM>. The second through-hole <NUM> and the first groove <NUM> that are disposed on the second housing <NUM>, the first gap between the decoration part <NUM> and the second housing <NUM>, and the third through-hole <NUM> form an airflow channel; and the channel has a simple structure, and can be easily manufactured on the housing <NUM>.

Specifically, the decoration part <NUM> includes a main body <NUM> and a connection portion <NUM>. The connection portion <NUM> is disposed on a peripheral side of the main body <NUM>. The main body <NUM> is exposed from the first through-hole <NUM>. The third through-hole <NUM> is disposed on the main body <NUM>. The connection portion <NUM> is disposed on the first housing <NUM>, so that the first housing <NUM> is connected to the decoration part <NUM> in a sealed manner on a peripheral side of the first through-hole <NUM>. The main body <NUM> is disposed on the second housing <NUM>. The first gap between the decoration part <NUM> and the groove wall <NUM> of the first groove <NUM> is formed at a disconnection point between the main body <NUM> and the second housing <NUM>.

It can be understood that, in another embodiment, the connection portion <NUM> may alternatively be connected to the second housing <NUM>, so that the decoration part <NUM> is connected to the second housing <NUM>. That is, a side of the decoration part <NUM> that faces the second housing <NUM> is connected (for example, is bonded by using an adhesive) to the second housing <NUM>. The first gap between a side of the decoration part <NUM> that faces the second housing <NUM> and a side wall <NUM> is formed at a disconnection point between the decoration part <NUM> and the second housing <NUM>, and the first gap is communicated with the third through-hole <NUM>, so that air passing through the third through-hole <NUM> may flow to the second through-hole <NUM>.

In this embodiment, a thickness of the connection portion <NUM> is less than that of the main body <NUM>. The connection portion <NUM> is located between the second housing <NUM> and the first housing <NUM>. The main body <NUM> and a side of the connection portion <NUM> that is away from the second housing <NUM> are coplanar, but are not limited thereto.

It can be understood that, in another embodiment, the decoration part <NUM> may alternatively be another structure such as a flat plate structure. In another embodiment, the decoration part <NUM> may alternatively be bonded to a side of the first housing <NUM> that is away from the second housing <NUM>.

Referring to <FIG>, the housing <NUM> further includes a support member <NUM>. Two sides of the support member <NUM> are respectively in contact with the groove wall <NUM> and the decoration part <NUM> of the first groove <NUM>. The support member <NUM> is provided with a second groove <NUM>. The second groove <NUM> is communicated with the first groove <NUM>, the second through-hole <NUM>, and the third through-hole <NUM>. The structure of the second groove <NUM> causes the first gap to be formed between the decoration part <NUM> and the groove wall <NUM> of the first groove <NUM>. The support member <NUM> provides support for the decoration part <NUM>, thereby improving structural stability of the first gap between the second housing <NUM> and the decoration part <NUM>.

It can be understood that, in another embodiment, when the first housing <NUM> is made of a hard material, the support member <NUM> may be omitted. The decoration part <NUM> is bonded to the first housing <NUM>, and a thickness of the decoration part <NUM> may be set to be less than a depth of the first groove <NUM>, that is, according to the invention, a stable first gap may be formed between the decoration part <NUM> and the groove wall <NUM> of the first groove <NUM>.

In this embodiment, the support member <NUM> is an adhesive, and the support member <NUM> is bonded to both the groove wall <NUM> and the decoration part <NUM> of the first groove <NUM>, but is not limited thereto. It can be understood that, in another embodiment, the support member <NUM> may alternatively be a structure made of plastic, metal, or the like, so as to support the decoration part <NUM>, and prevent the decoration part <NUM> from moving due to deformation of the first housing <NUM>, thereby ensuring that the airflow channel is not blocked.

It can be understood that, in another embodiment, the support member <NUM> may alternatively be omitted, and the decoration part <NUM> directly abuts on the second housing <NUM>. By providing another groove in a side of the decoration part <NUM> that faces the second housing <NUM>, the first gap between the decoration part <NUM> and the groove wall <NUM> of the first groove <NUM> is formed. In still another embodiment, the first gap between the decoration part <NUM> and the groove wall <NUM> of the first groove <NUM> may alternatively be formed by providing another groove on the groove wall <NUM> of the first groove <NUM>.

In the first embodiment, the first breathable film <NUM> is attached to the groove wall <NUM> of the first groove <NUM>. The housing <NUM> further includes a pressing member <NUM>. A side of the pressing member <NUM> that faces the first breathable film <NUM> abuts on the first breathable film <NUM>. A side of the first housing <NUM> that faces the second housing <NUM> abuts on the pressing member <NUM>. The pressing member <NUM> is provided with a third groove <NUM>. The third groove <NUM> includes a communicated fourth through-hole <NUM> and a communicated fourth groove <NUM>. The fourth through-hole <NUM> is corresponding to the second through-hole <NUM> and is communicated by using the first breathable film <NUM>. The fourth groove <NUM> penetrates a side of the pressing member <NUM> that is close to the decoration part <NUM>, and the pressing member <NUM> applies a force on the first breathable film <NUM>, so that the first breathable film <NUM> is stably connected to the groove wall <NUM> of the first groove <NUM>, thereby further improving waterproof performance of the housing <NUM>.

It can be understood that, in another embodiment, the pressing member <NUM> may alternatively be approximately a U-shaped structure including a notch, the pressing member <NUM> is pressed against the first breathable film <NUM>, and the notch of the pressing member <NUM> is communicated with both the second through-hole <NUM> and the first gap between the decoration part <NUM> and the second housing <NUM>.

To stabilize the position of the pressing member <NUM>, the pressing member <NUM> is bonded to the first housing <NUM>, but is not limited thereto. For example, in another embodiment, an area of an orthographic projection of the pressing member <NUM> on the second housing <NUM> is greater than an area of the second through-hole <NUM>, and the area of the orthographic projection of the pressing member <NUM> on the second housing <NUM> may be greater than the first breathable film <NUM>, so that the pressing member <NUM> can be bonded to the groove wall of the first groove <NUM>, and the pressing member <NUM> can be pressed against the first breathable film <NUM>. The pressing member <NUM> is stably pressed against the first breathable film <NUM>, so that the airflow channel is not blocked due to a position change. A maximum area of the orthographic projection of the pressing member <NUM> on the second housing <NUM> may alternatively be equal to or less than the first breathable film <NUM>, and the pressing member <NUM> is bonded to the first housing <NUM> and/or the first breathable film <NUM> by using an adhesive.

The pressing member <NUM> may be an adhesive or a structure made of a metal or plastic material.

A second gap exists between a side of the connection portion <NUM> of the decoration part <NUM> that is close to a side wall of the pressing member <NUM> and the pressing member <NUM> and the first breathable film <NUM>, so that the air flows from the fourth groove <NUM> to the first gap formed by the second groove <NUM> through the second gap.

It can be understood that, in another embodiment, the pressing member <NUM> may alternatively be omitted.

It can be understood that, to match a thickness of the decoration part <NUM> and a thickness of the pressing member <NUM>, the first groove <NUM> may have different depths, for example, a step structure, that is, the groove wall <NUM> may have planes of different heights.

Referring to <FIG>, the second embodiment of this application provides a housing 100a. The housing 100a is basically the same as the housing <NUM> in the first embodiment, and main differences are as follows: The housing 100a has no support member <NUM> in the first embodiment; a structure of the second housing 20a in the housing 100a is different from the structure of the second housing <NUM> in the first embodiment; a structure of the middle pressing member 60a in the housing 100a is different from the structure of the pressing member <NUM>; and the housing 100a further includes a second breathable film <NUM>.

The second breathable film <NUM> is a film structure with waterproof performance.

A part of the groove wall <NUM> of the first groove <NUM> of the housing 100a extends outward to form a support portion <NUM>. The decoration part <NUM> abuts on or is bonded to the support portion <NUM>. The second breathable film <NUM> is disposed on the decoration part <NUM> and covers the third through-hole <NUM>.

The pressing member 60a is a plate-like structure. A fifth groove <NUM> is disposed on a side of the pressing member 60a that faces the second housing 20a. The fifth groove <NUM> is away from the second through-hole <NUM>. The fifth groove <NUM> penetrates a side of the pressing member 60a to communicate with the first groove <NUM> and the first gap between the decoration part <NUM> and the second housing <NUM>.

It can be understood that, in another embodiment, the first breathable film <NUM> and the second breathable film <NUM> may extend toward each other to form a whole. A connection portion of the first breathable film <NUM> and the second breathable film <NUM> separates the first gap between the decoration part <NUM> and the second housing <NUM> into a first part and a second part. The air enters the device successively through the third through-hole <NUM>, the second breathable film <NUM>, the first part of the first gap, the connection portion of the first breathable film <NUM> and the second breathable film <NUM>, the second part of the first gap, the first breathable film <NUM>, and the second through-hole <NUM>.

The second breathable film <NUM> covers the third through-hole <NUM>, thereby improving dustproof performance and waterproof performance of the housing <NUM>, and further improves reliability of the housing <NUM>.

Referring to <FIG>, a third embodiment of this application provides a housing 100b. The housing 100b is basically the same as the housing <NUM> in the first embodiment, and main differences are as follows: The housing 100b has no pressing member <NUM> in the first embodiment; and the first breathable film <NUM> is disposed on a side of a second housing <NUM> that is away from a first housing <NUM>.

Specifically, a sixth groove <NUM> is disposed on a side of the second housing 20b of the housing 100b that is away from the first housing <NUM>. The first breathable film <NUM> is installed in the sixth groove <NUM>. The sixth groove <NUM> provides an installation space of the first breathable film <NUM>, so as to avoid occupying the internal space of the device.

In the housing provided in this embodiment of this application, the first housing is disposed outside the second housing; a decoration part is disposed on the first housing; a second through-hole provided by the second housing, a first gap between the decoration part and the second housing, and a third through-hole provided by the decoration part form an airflow channel on the housing; and the first breathable film is disposed on the second through-hole, so that the housing has a pressure balancing performance.

The housing provides an airflow channel. When the housing is installed on a device, no internal space of the device is not occupied, and a pressure balancing structure does not need to be disposed inside the device.

An orthographic projection of the third through-hole on the second housing is located outside the second through-hole, so as to prevent a sharp object from piercing the first breathable film in the second through-hole through the third through-hole.

Claim 1:
A housing (<NUM>), comprising a first housing (<NUM>), a second housing (<NUM>), and a decoration part (<NUM>), wherein the first housing is disposed outside the second housing, a first through-hole (<NUM>) is disposed in the first housing, and the decoration part is disposed on the first housing and covers the first through-hole, wherein:
a second through-hole (<NUM>) is disposed in the second housing;
the decoration part is provided with a third through-hole (<NUM>), and an orthographic projection of the third through-hole on the second housing is located outside an orthographic projection of the second through-hole on the second housing; and a first gap exists between the decoration part and the second housing, and the first gap is communicated with both the second through-hole and the third through-hole; and
the housing further comprises a first breathable film (<NUM>), and the first breathable film is disposed on the second housing between the first housing and the second housing and covers the second through-hole;
wherein a first groove (<NUM>) is disposed on a side of the second housing that faces the first housing, and the first groove intersects the second through-hole; and
the decoration part is connected to the first housing on a peripheral side of the first through-hole in a sealed manner, and the first gap exists between the decoration part and a groove wall (<NUM>) of the first groove.