CN219302896U

CN219302896U - Shell assembly of intelligent terminal and intelligent terminal

Info

Publication number: CN219302896U
Application number: CN202223285640.0U
Authority: CN
Inventors: 巨冰
Original assignee: Xian Wingtech Information Technology Co Ltd
Current assignee: Xian Wingtech Information Technology Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-07-04
Anticipated expiration: 2032-12-07

Abstract

The disclosure relates to a shell assembly of an intelligent terminal and the intelligent terminal, wherein the shell assembly of the intelligent terminal comprises a shell body, a fixing piece and a hollow mounting bracket; the mounting bracket and the shell body are integrally formed, one side of the mounting bracket, which is away from the shell body, is open, and at least part of a loudspeaker of the intelligent terminal enters an inner cavity of the mounting bracket through the opening; the mounting bracket is provided with a first clamping part, the fixing piece is provided with a second clamping part, and the first clamping part is matched and clamped with the second clamping part so as to fix the horn when the horn is positioned in the inner cavity. The loudspeaker is arranged in the inner cavity, and the loudspeaker and the shell body can be fixed by buckling the first clamping part and the second clamping part. Meanwhile, because the first clamping part and the second clamping part are buckled, the intervention of a third-party tool is not needed, the mounting bracket and the fixing piece are connected simply, conveniently and easily, the fixing effect on the loudspeaker is good, and the efficiency of loudspeaker mounting is improved to a certain extent.

Description

Shell assembly of intelligent terminal and intelligent terminal

Technical Field

The disclosure relates to the technical field of intelligent terminals, and in particular relates to a shell assembly of an intelligent terminal and the intelligent terminal.

Background

A smart terminal, such as a smart watch, includes a housing and a cover plate. Wherein, casing and apron enclose and close and form the accommodation chamber, and loudspeaker are located the accommodation chamber.

Prior art is when installing loudspeaker in the holding chamber, needs to be with the help of the connecting piece, and during the concrete operation, is in the same place connecting piece and casing through a plurality of screw connection fixation earlier, and rethread a plurality of screws are fixed loudspeaker on the connecting piece to install loudspeaker on the casing, so lead to loudspeaker installation complex process, and installation effectiveness is low.

Disclosure of Invention

In order to solve the technical problems described above or at least partially solve the technical problems described above, the present disclosure provides a housing assembly of an intelligent terminal and an intelligent terminal.

In a first aspect, the present disclosure provides a housing assembly of an intelligent terminal, comprising a housing body, a fixing member, and a hollow mounting bracket;

the mounting bracket and the shell body are integrally formed, one side of the mounting bracket, which is away from the shell body, is an opening, and the opening is used for allowing at least part of a loudspeaker of the intelligent terminal to enter an inner cavity of the mounting bracket;

the mounting bracket is provided with a first clamping part, the fixing piece is provided with a second clamping part, and the first clamping part is matched and clamped with the second clamping part so as to fix the loudspeaker in the shell body when the loudspeaker is positioned in the inner cavity.

Optionally, the size of the inner cavity is matched with the outer contour size of the loudspeaker.

Optionally, the horn may be glued and pre-fixed in the inner cavity by glue;

the colloid comprises elastic glue, the deformation direction of the elastic glue is consistent with the installation direction of the horn in the inner cavity, and the fixing piece is used for pressing and fixing the horn in the inner cavity when the horn is fixed in the inner cavity in an adhesive manner.

Optionally, the edge of the opening is provided with a clamping boss extending outwards towards a direction away from the inner cavity, and the fixing piece is provided with an elastic clamping arm which can be matched and clamped with the clamping boss;

the clamping boss is formed as the first clamping portion, and the elastic clamping arm is formed as the second clamping portion.

Optionally, the elastic clamping arms are formed and arranged in a stamping mode;

the fixing piece is provided with a notch at the position corresponding to the elastic clamping arm, and one end of the elastic clamping arm is connected with the groove wall of the notch.

Optionally, the fixing piece includes a fixing portion and a circuit board disposed on the fixing portion, and the second clamping portion is located on the fixing portion; the circuit board is positioned on one side of the fixing part, which faces the opening, and one end of the circuit board is used for being electrically connected with the main board of the intelligent terminal;

when the fixing piece is connected to the mounting bracket, the other end of the circuit board is in contact conduction with the conductive contact of the loudspeaker so that the loudspeaker is electrically connected with the main board.

Optionally, an insulating layer is further disposed between the circuit board and the fixing portion, and the insulating layer is disposed corresponding to at least part of the circuit board;

the projection of the circuit board on the fixing part is positioned in the projection area of the insulating layer on the fixing part.

Optionally, the installing support is located the side of intelligent terminal's battery, just loudspeaker is fixed when on the installing support, loudspeaker the installing support and the mounting on the horizontal plane of shell body the projection with the battery is on the horizontal plane of shell body the projection non-overlapping.

Optionally, a sound outlet is further arranged at the position of the shell body corresponding to the loudspeaker, and the sound outlet is communicated with the inner cavity;

the shell body corresponds the position department of sound outlet is provided with the dust guard, the dust guard is used for preventing the outside impurity of shell body gets into in the sound outlet.

In a second aspect, the present disclosure provides a smart terminal comprising a housing assembly of a smart terminal as described above.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the shell assembly of the intelligent terminal and the intelligent terminal, the shell body, the fixing piece and the hollow mounting bracket are arranged, and the mounting bracket and the shell body are integrally formed; simultaneously, one side of deviating from the shell body through making the installing support is uncovered, and the uncovered loudspeaker that can supply intelligent terminal at least partly gets into in the inner chamber of installing support to having first joint portion on the messenger mounting, having second joint portion on the installing support, in order to match the block at first joint portion and second joint portion, and loudspeaker is located the inner chamber, fix loudspeaker on the shell body. The loudspeaker is arranged in the inner cavity, and the loudspeaker and the shell body can be fixed by clamping and buckling the first clamping part and the second clamping part. Meanwhile, because the buckling of the first clamping part and the second clamping part does not need intervention of a third-party tool, when the mounting bracket is connected with the fixing piece, the fixing device is simple and convenient, easy to operate and good in fixing effect on the loudspeaker, and therefore the efficiency of mounting the loudspeaker on the shell body can be improved to a certain extent. In addition, because installing support and shell body integrated into one piece set up, the wholeness of installing support and shell body is good like this, and can increase the bulk strength of installing support and shell body, make things convenient for follow-up assembly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic view of a part of a structure of a housing assembly of an intelligent terminal according to an embodiment of the disclosure;

fig. 2 is a schematic cross-sectional structural view of a housing assembly of the intelligent terminal according to an embodiment of the disclosure;

fig. 3 is a schematic structural view of a fixing member in a housing assembly of an intelligent terminal according to an embodiment of the disclosure;

fig. 4 is a schematic structural view of a fixing member connected to a mounting bracket in a housing assembly of an intelligent terminal according to an embodiment of the disclosure;

fig. 5 is a schematic structural diagram of a fixing member and a mounting bracket in a housing assembly of an intelligent terminal according to an embodiment of the disclosure.

10, a shell assembly; 1. a housing body; 11. a sound outlet; 2. a mounting bracket; 21. an opening; 22. a first clamping part; 23. an inner cavity; 3. a horn; 4. a fixing member; 41. a second clamping part; 42. a notch; 43. a fixing part; 44. a circuit board; 45. an insulating layer; 5. a colloid; 6. a dust-proof member.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

Example 1

Referring to fig. 1 to 5, the present embodiment provides a housing assembly of an intelligent terminal, which specifically includes a housing body 1, a fixing member 4, and a hollow mounting bracket 2. The intelligent terminal in this embodiment may be, for example, a wearable product such as an intelligent bracelet and an intelligent watch; of course, the intelligent terminal can also be other consumer electronic products such as mobile phones.

During implementation, the mounting bracket 2 and the shell body 1 are integrally formed, one side, away from the shell body 1, of the mounting bracket 2 is provided with an opening 21, and at least part of the loudspeaker 3 of the intelligent terminal is used for entering the inner cavity 23 of the mounting bracket 2 through the opening 21.

Meanwhile, the mounting bracket 2 is provided with a first clamping part 22, the fixing piece 4 is provided with a second clamping part 41, and the first clamping part 22 is matched and clamped with the second clamping part 41 so as to fix the loudspeaker 3 on the shell body 1 when the loudspeaker 3 is positioned in the inner cavity 23. The loudspeaker 3 of the intelligent terminal in this embodiment may be a waterproof loudspeaker 3, so as to ensure waterproof performance of the loudspeaker 3.

Meanwhile, through setting up mounting 4 to set up first joint portion 22 on installing support 2, set up second joint portion 41 on mounting 4, set up like this, after placing loudspeaker 3 in inner chamber 23, can pass through first joint portion 22 and second joint portion 41 joint lock, realize fixing the effect in inner chamber 23 with loudspeaker 3. The mounting bracket 2 and the shell body 1 are integrally formed, so that the loudspeaker 3 and the shell body 1 can be fixed.

In addition, through setting up installing support 2 and shell body 1 integrated into one piece, installing support 2 and shell body 1's wholeness is good, and can increase the bulk strength of installing support 2 and shell body 1, make things convenient for follow-up assembly.

Wherein, because when first joint portion 22 and second joint portion 41 lock joint, do not need the intervention of third party's instrument for when installing support 2 and mounting 4 are connected, simple and convenient, easy operation and to loudspeaker 3 fixed effectual, thereby can improve loudspeaker 3 to a certain extent and install the efficiency on shell body 1.

Illustratively, when the loudspeaker 3 is installed, the loudspeaker 3 is placed in the inner cavity 23 of the installation support 2, and then the first clamping part 22 and the second clamping part 41 on the fixing piece 4 are clamped and buckled, so that the loudspeaker 3 can be fixed on the installation support 2, and the loudspeaker 3 and the shell body 1 are fixed. Thus, the fixing process of the loudspeaker 3 is simple and easy to operate, and the fixing effect is good and the fixing efficiency is high.

According to the shell assembly of the intelligent terminal, the shell body 1, the fixing piece 4 and the hollow mounting bracket 2 are arranged, and the mounting bracket 2 and the shell body 1 are integrally formed; meanwhile, one side of the mounting bracket 2, which is far away from the shell body 1, is provided with an opening 21, at least part of the horn 3 of the intelligent terminal can enter the inner cavity 23 of the mounting bracket 2 through the opening 21, the fixing piece 4 is provided with a first clamping part 22, and the mounting bracket 2 is provided with a second clamping part 41, so that the horn 3 is fixed on the shell body 1 when the first clamping part 22 is matched and clamped with the second clamping part 41 and the horn 3 is positioned in the inner cavity 23. In this way, the loudspeaker 3 is only required to be placed in the inner cavity 23, and the loudspeaker 3 and the shell body 1 can be fixed by the clamping and buckling of the first clamping part 22 and the second clamping part 41. Meanwhile, because the first clamping part 22 and the second clamping part 41 are buckled, intervention of a third-party tool is not needed, and when the mounting bracket 2 and the fixing piece 4 are connected, the fixing effect on the loudspeaker 3 is simple and convenient, easy to operate and good, so that the efficiency of mounting the loudspeaker 3 on the shell body 1 can be improved to a certain extent. In addition, because the mounting bracket 2 and the shell body 1 are integrally formed, the mounting bracket 2 and the shell body 1 are good in integrity, and the overall strength of the mounting bracket 2 and the shell body 1 can be increased, so that the subsequent assembly is convenient.

In some embodiments, the size of the inner cavity 23 is matched with the external outline size of the horn 3, so that the stability of the horn 3 fixed in the inner cavity 23 can be further improved, the possibility of shaking of the horn 3 fixed in the inner cavity 23 is avoided to a certain extent, and the horn 3 and the shell assembly 10 are protected to a certain extent.

Wherein the horn 3 can be glued and pre-fixed in the cavity 23 by means of glue 5. Specifically, the glue body 5 comprises elastic glue, the deformation direction of the elastic glue is consistent with the installation direction of the loudspeaker 3 in the inner cavity 23, and the fixing piece 4 is used for pressing and fixing the loudspeaker 3 in the inner cavity 23 when the loudspeaker 3 is glued and fixed in the inner cavity 23. The mounting direction of the horn 3 in the inner cavity 23 is specifically indicated by a unidirectional arrow X shown in fig. 4.

Through fixing loudspeaker 3 in inner chamber 23 in advance through colloid 5, that is, before joint mounting 4 on installing support 2, fix loudspeaker 3 in advance in the position in inner chamber 23 earlier to the lock of follow-up mounting 4 is provided the convenience to a certain extent, and shell assembly 10 is effectual to loudspeaker 3's fixed.

The glue 5 can be pre-arranged in the inner chamber 23, however, the glue 5 can also be pre-connected to the horn 3.

By making the glue 5 comprise an elastic glue and making the deformation direction of the elastic glue coincide with the mounting direction of the horn 3 in the inner cavity 23, i.e. the elastic glue can be deformed to some extent in the X-direction. Meanwhile, since the size of the inner cavity 23 is matched with the size of the horn 3, and the horn 3 is pre-fixed in the inner cavity 23 by the elastic glue having a certain thickness, that is, when the horn 3 is placed in the inner cavity 23, a portion of the horn 3 corresponding to the thickness size of the elastic glue is exposed outside the inner cavity 23.

Like this set up, wait to be with mounting 4 joint on installing support 2, installing support 2 can be towards X direction extrusion loudspeaker 3 and elastic glue for elastic glue takes place certain deformation, thereby fixes loudspeaker 3 locking pressfitting in inner chamber 23, has further improved the fixed effect of loudspeaker 3 in inner chamber 23.

The elastic glue in this embodiment includes waterproof foam glue, so that the elastic glue not only has a certain elasticity, but also has a certain waterproof effect, and especially when the position of the shell body 1 corresponding to the loudspeaker 3 has the sound outlet 11, water and the like outside the shell body 1 can be prevented from entering the inner cavity 23 through the sound outlet 11 to enable the loudspeaker 3 to enter water.

Of course, the elastic glue can also be formed by wrapping double-sided glue outside the elastic body.

Referring to fig. 1 to 5, the edge of the opening 21 has a clamping boss extending outwardly away from the inner cavity 23, and the fixing member 4 is provided with an elastic clamping arm capable of being matched and clamped with the clamping boss. Wherein, the clamping boss is formed as a first clamping part 22, and the elastic clamping arm is formed as a second clamping part 41.

For example, when the fixing member 4 is clamped on the mounting bracket 2, the elastic clamping arm is placed corresponding to the clamping boss, and then the force in the X direction shown in fig. 4 is applied to the fixing member 4, so that the elastic clamping arm continues to move in the X direction under the combined action of the self elastic force, the external force applied by the elastic clamping arm and the force applied by the clamping boss to the elastic clamping arm, and finally the elastic clamping arm is abutted against one side, far away from the opening 21, of the clamping boss, so that the clamping fixation between the elastic clamping arm and the clamping boss can be realized.

This can be understood in particular with reference to fig. 4 and 5. The first clamping portion 22 and the second clamping portion 41 are simple in structure and convenient to operate.

Of course, in other embodiments, the first engaging portion 22 may also have a hole, and the second engaging portion 41 may be a buckle that may extend into the hole and be engaged with the hole.

The elastic clamping arms are formed and arranged in a stamping mode. Meanwhile, referring to fig. 3, a notch 42 is formed at a position of the fixing member 4 corresponding to the elastic clamping arm, and one end of the elastic clamping arm is connected to a groove wall of the notch 42.

Through making the elastic clamping arm by stamping forming's mode shaping, the shaping process of elastic clamping arm is simple, and can carry out nimble adjustment to stamping forming's elastic clamping arm's size according to actual joint needs to buckling amount and the size of clamping force when can adjusting and controlling mounting 4 and installing support 2 joint lock, in order to ensure the mounting 4 to loudspeaker 3 locking force and fixed reliability.

The notch 42 is formed in the position of the fixing piece 4 corresponding to the elastic clamping arm, and one end of the elastic clamping arm is connected to the groove wall of the notch 42, so that a certain space can be provided for elastic deformation of the elastic clamping arm, and the elastic clamping arm and the clamping boss are conveniently clamped and fixed.

Referring to fig. 3, the fixing member 4 includes a fixing portion 43 and a circuit board 44 disposed on the fixing portion 43, and the second engaging portion 41 is disposed on the fixing portion 43. The circuit board 44 is located on a side of the fixing portion 43 facing the opening 21, and one end of the circuit board 44 is used for being electrically connected with a motherboard of the intelligent terminal. When the fixing member 4 is attached to the mounting bracket 2, the other end of the circuit board 44 is brought into contact with the conductive contact of the horn 3 to electrically connect the horn 3 with the motherboard.

By making the fixing member 4 include the fixing portion 43 and the circuit board 44 and making one end of the circuit board 44 electrically connected with the main board of the intelligent terminal, the other end of the circuit board 44 is brought into contact with and conducted with the conductive contact of the horn 3 placed in the inner cavity 23, thereby achieving the electrical connection between the horn 3 and the main board.

The circuit board 44 is specifically a flexible circuit board (Flexible Printed Circuit, abbreviated as FPC), and the surface of the FPC has conductive contact points exposing copper. The conductive contact of the loudspeaker 3 is specifically a conductive spring piece arranged on the loudspeaker 3, and the electrical connection between the circuit board 44 and the loudspeaker 3 is realized through the contact conduction between the conductive spring piece and the conductive contact point.

Meanwhile, when the conductive elastic sheet is in contact with the conductive contact point, the elastic force of the conductive elastic sheet can also ensure the contact effect of the conductive elastic sheet and the conductive contact point to a certain extent.

In particular, an insulating layer 45 is further disposed between the circuit board 44 and the fixing portion 43, and the insulating layer 45 is disposed corresponding to at least a portion of the circuit board 44. Meanwhile, the projection of the circuit board 44 on the fixing portion 43 is located in the area of the projection of the insulating layer 45 on the fixing portion 43.

By providing the insulating layer 45 between the circuit board 44 and the fixing portion 43 and making the insulating layer 45 correspond to at least part of the circuit board 44, it is possible to prevent the conductive contact on the horn 3 from being erroneously touched with the fixing portion 43 to affect the conductive contact effect of the horn 3 to some extent.

Furthermore, by having the projection of the circuit board 44 on the fixing portion 43 in the area of the projection of the insulating layer 45 on the fixing portion 43, that is, the insulating layer 45 can completely cover the circuit board 44, the possibility of the conductive contact on the horn 3 coming into contact with the fixing portion 43 is further reduced, and the conductive contact effect of the horn 3 is further ensured.

The fixing portion 43 may be a steel plate, a hard plastic plate, or the like. The insulating layer 45 may be an insulating mylar, an insulating film made of an insulating material, or the like.

In this embodiment, when the mounting bracket 2 is located beside the battery of the intelligent terminal and the speaker 3 is fixed on the mounting bracket 2, the projection of the speaker 3, the mounting bracket 2 and the fixing member 4 on the horizontal plane of the case body 1 does not overlap with the projection of the battery on the horizontal plane of the case body 1.

By placing the mounting bracket 2 beside the battery and making the projection of the horn 3, the mounting bracket 2 and the fixing member 4 on the horizontal plane of the housing body 1 non-overlapping with the projection of the battery on the horizontal plane of the housing body 1, i.e. the horn 3, the mounting bracket 2 and the fixing member 4 are not stacked with the battery.

So, compare the scheme of stacking loudspeaker in the battery top through the external support, this embodiment is through setting up installing support 2 in the battery side, can improve convenience and flexibility in the loudspeaker 3 installation on the one hand to improve the efficiency of loudspeaker 3 installation, can also reduce the interference to the battery when loudspeaker 3 installs simultaneously.

Especially to the shell body that the battery side has the idle spare space that is not utilized, the installing support 2 that this embodiment provided can effectively utilize the space of battery side, and when the wall thickness size of installing support 2 on battery thickness direction is less than the thickness of battery self, and when the installation of loudspeaker 3 is placed the direction and is not changed, can also reduce the thickness size of whole intelligent terminal to a certain extent, convenience of customers's carry and use.

Referring to fig. 2, a sound outlet 11 is further provided at a position of the housing body 1 corresponding to the speaker 3, and the sound outlet 11 is communicated with the inner cavity 23. Wherein, the position department that corresponds sound outlet 11 of shell body 1 is provided with dust guard 6, and dust guard 6 is used for preventing the outside impurity of shell body 1 from entering into in the sound outlet 11.

Through setting up the sound outlet 11 in the position of the corresponding loudspeaker 3 of shell body 1 to make sound outlet 11 and inner chamber 23 intercommunication, thereby can make loudspeaker 3's sound transmit to intelligent terminal's outside fast when the user uses, in order to supply the user to listen to loudspeaker 3's suggestion sound and use.

Through setting up dust guard 6 on shell body 1 to make dust guard 6 correspond with sound outlet 11, with prevent that impurity etc. outside shell body 1 from entering into sound outlet 11 and blocking up sound outlet 11, thereby guaranteed the cleanness of sound outlet 11 department to a certain extent, ensured user's normal use.

The dust-proof member 6 may be any suitable dust-proof structure such as a dust-proof net or a dust-proof film.

Example two

With continued reference to fig. 1-5, the present embodiment provides a smart terminal including a housing assembly 10 of the smart terminal.

The specific structure and implementation principle of the housing assembly 10 of the intelligent terminal in this embodiment are the same as those of the housing assembly 10 of the intelligent terminal provided in the first embodiment, and the same or similar technical effects can be brought, which are not described in detail herein, and specific reference may be made to the description of the first embodiment.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The shell assembly of the intelligent terminal is characterized by comprising a shell body (1), a fixing piece (4) and a hollow mounting bracket (2);

the mounting bracket (2) and the shell body (1) are integrally formed, one side of the mounting bracket (2) away from the shell body (1) is provided with an opening (21), and the opening (21) is used for allowing at least part of the loudspeaker (3) of the intelligent terminal to enter the inner cavity (23) of the mounting bracket (2);

the mounting bracket (2) is provided with a first clamping part (22), the fixing piece (4) is provided with a second clamping part (41), and the first clamping part (22) is matched and clamped with the second clamping part (41) so as to fix the loudspeaker (3) on the shell body (1) when the loudspeaker (3) is positioned in the inner cavity (23).

2. The housing assembly of a smart terminal according to claim 1, wherein the size of the inner cavity (23) matches the outer contour size of the horn (3).

3. The housing assembly of the intelligent terminal according to claim 2, characterized in that the horn (3) can be glued and pre-fixed in the inner cavity (23) by means of a glue (5);

the colloid (5) comprises elastic glue, the deformation direction of the elastic glue is consistent with the installation direction of the loudspeaker (3) in the inner cavity (23), and the fixing piece (4) is used for pressing and fixing the loudspeaker (3) in the inner cavity (23) when the loudspeaker (3) is fixed in the inner cavity (23) in an adhesive manner.

4. The housing assembly of the intelligent terminal according to claim 1, wherein the edge of the opening (21) is provided with a clamping boss extending outwards in a direction away from the inner cavity (23), and the fixing piece (4) is provided with an elastic clamping arm which can be matched and clamped with the clamping boss;

the engagement boss is formed as the first engagement portion (22), and the elastic clip arm is formed as the second engagement portion (41).

5. The intelligent terminal's casing assembly according to claim 4, wherein the elastic clamping arms are formed by stamping;

the fixing piece (4) is provided with a notch (42) at the position corresponding to the elastic clamping arm, and one end of the elastic clamping arm is connected to the groove wall of the notch (42).

6. The housing assembly of the intelligent terminal according to claim 1, wherein the fixing piece (4) comprises a fixing portion (43) and a circuit board (44) arranged on the fixing portion (43), and the second clamping portion (41) is arranged on the fixing portion (43);

the circuit board (44) is positioned on one side of the fixing part (43) facing the opening (21), and one end of the circuit board (44) is used for being electrically connected with a main board of the intelligent terminal;

when the fixing piece (4) is connected to the mounting bracket (2), the other end of the circuit board (44) is in contact conduction with the conductive contact of the loudspeaker (3), so that the loudspeaker (3) is electrically connected with the main board.

7. The housing assembly of the intelligent terminal according to claim 6, wherein an insulating layer (45) is further arranged between the circuit board (44) and the fixing portion (43), and the insulating layer (45) is arranged corresponding to at least part of the circuit board (44);

a projection of the circuit board (44) on the fixing part (43) is positioned in a projection area of the insulating layer (45) on the fixing part (43).

8. The housing assembly of a smart terminal according to any of claims 1 to 7, wherein the mounting bracket (2) is located beside the battery of the smart terminal and the projection of the horn (3), the mounting bracket (2) and the fixture (4) onto the horizontal plane of the housing body (1) does not overlap with the projection of the battery onto the horizontal plane of the housing body (1) when the horn (3) is fixed on the mounting bracket (2).

9. The housing assembly of an intelligent terminal according to any one of claims 1 to 7, wherein a sound outlet (11) is further provided at a position of the housing body (1) corresponding to the horn (3), the sound outlet (11) being in communication with the inner cavity (23);

the dustproof device is characterized in that a dustproof piece (6) is arranged at the position, corresponding to the sound outlet (11), of the shell body (1), and the dustproof piece (6) is used for preventing impurities outside the shell body (1) from entering the sound outlet (11).

10. A smart terminal comprising a housing assembly of the smart terminal as claimed in any one of claims 1 to 9.