CN219893581U - Mobile terminal's casing subassembly and mobile terminal - Google Patents

Abstract

The utility model relates to a shell component of a mobile terminal and the mobile terminal, wherein the shell component of the mobile terminal comprises a shell and an antenna grounding structure at the side wall of the shell, and the antenna grounding structure comprises a first limit part and a second limit part which are connected; a limiting groove is formed by surrounding the first limiting part and the second limiting part; the limiting groove is used for enabling part of the side wall of the shell to extend into the limiting groove and limiting the shell; the antenna returns to the ground to be constructed and has the position piece that ends, ends the position piece and is used for preventing antenna returns to the ground to be constructed and the casing and at the relative movement of horizontal direction, has so carried out spacingly to antenna returns to the ground to be constructed and the casing at the thickness of casing and horizontal direction, has avoided the antenna to return to the ground to the casing to take place to remove relatively, has guaranteed the stability of installing the antenna that returns to the ground on the casing to when subsequently transporting the casing subassembly, the casing subassembly can remain stable relatively, has improved the efficiency when follow-up casing subassembly is assembled to a certain extent.

Description

Mobile terminal's casing subassembly and mobile terminal

Technical Field

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

Background

In order to realize signal conduction, an antenna ground return structure for electrically connecting with a main board is generally arranged on the mobile terminal. The related art is to directly put the antenna return structure and the housing of the mobile terminal together to form a housing assembly for shipment.

However, when the housing and the antenna return structure are connected, the antenna return structure is directly placed on the housing, so that the antenna return structure is easily separated from the housing in the processes of transportation, subsequent assembly and the like of the housing assembly, and the assembly efficiency of the subsequent housing assembly is affected.

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 a mobile terminal and a mobile terminal.

In a first aspect, the present disclosure provides a housing assembly of a mobile terminal, including a housing and an antenna ground return structure mounted at a side wall of the housing, the antenna ground return structure including a first limit portion and a second limit portion connected;

the first limiting part is positioned above the second limiting part and is enclosed with the second limiting part to form a limiting groove; the limiting groove is used for enabling part of the side wall of the shell to extend in and limiting the shell;

the antenna return structure is provided with a stop piece, and the stop piece is used for preventing the antenna return structure from moving relative to the shell in the horizontal direction.

Optionally, in a groove depth direction along the limit groove, a groove width of the limit groove near the notch is smaller than a groove width of the rest positions of the limit groove so as to clamp the shell therein.

Optionally, at least part of the groove width of the limiting groove is matched with the thickness of the shell.

Optionally, the second limiting part includes a body part and a bending part, the body part is connected between the first limiting part and the bending part, and the end of the bending part bends towards the direction close to the notch of the limiting groove;

the part of the shell, which at least corresponds to the bending part, has elasticity, so that when the shell is positioned in the limiting groove and the bending part is contacted with the shell, the shell deforms under the extrusion of the bending part and the first limiting part, and the shell is clamped and fixed in the limiting groove.

Optionally, the first limiting portion, the body portion and the bending portion are integrally formed;

and/or one end of the bending part, which is close to the notch of the limiting groove, is provided with a guide inclined surface, and the guide inclined surface extends downwards in an inclined manner along the direction away from the limiting groove so as to guide the shell when the shell stretches into the limiting groove.

Optionally, the stopper includes a vertically extending stopper protrusion disposed on the antenna ground return structure, and a groove is disposed on the housing, and the stopper protrusion may extend into the groove, so as to define a position of the antenna ground return structure in a horizontal direction of the housing.

Optionally, the number of the stop protrusions is at least two, and the at least two stop protrusions are arranged at intervals on the antenna ground return structure;

the number of the grooves is at least two, and the grooves are arranged in one-to-one correspondence with the stop protrusions.

Optionally, the housing includes a first body and a second body connected to an outer side wall of the first body, and a top surface of the second body is lower than a top surface of the first body, so that the outer side wall of the first body and a surface of the second body enclose together to form a containing cavity; the groove is positioned on the second body;

the limiting groove is used for allowing the second body to stretch in, a limiting part extending towards the direction close to the center of the accommodating cavity is arranged on the cavity wall of the accommodating cavity, the stop piece further comprises a limiting flange arranged on the antenna return structure, and when the antenna return structure is arranged on the second body, the limiting flange is blocked on the limiting part.

Optionally, the edge of the antenna ground return structure is further provided with a notch, and the extending direction of the notch is consistent with the mounting direction of the antenna ground return structure on the second body;

the cavity wall of the accommodating cavity is provided with a resisting part, and the resisting part can extend into the notch when the antenna ground return structure is arranged on the second body.

In a second aspect, the present disclosure provides a mobile terminal comprising a housing assembly of a mobile 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 mobile terminal and the mobile terminal, the shell and the antenna grounding structure arranged on the side wall of the shell are arranged, and the antenna grounding structure comprises the first limiting part and the second limiting part which are connected; the first limiting part is located above the second limiting part, a limiting groove is formed by surrounding the first limiting part and the second limiting part, and the limiting groove is used for enabling part of the side wall of the shell to extend in and limiting the shell. That is, part of the side wall of the shell extends into the limiting groove, so that the position of the antenna ground return structure in the thickness direction of the shell can be limited to a certain extent. Simultaneously, through setting up the position piece that ends on the antenna returns ground structure to make the position piece be used for preventing that antenna returns ground structure and casing from taking place relative movement in the horizontal direction, thereby can carry out certain spacing to the position of antenna returns ground structure on the horizontal direction, and then improved spacing and fixed effect between antenna returns ground structure and the casing, avoided the antenna to a certain extent to return ground structure and the relative casing takes place the removal and the separation on the position, guaranteed the stability of installing the antenna returns ground structure on the casing, in order to carry out the casing subassembly with the follow-up when transporting and assembling, the casing subassembly can remain stable relatively, efficiency when having improved follow-up casing subassembly assembly to a certain extent.

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 structural diagram of an antenna ground return structure according to an embodiment of the disclosure at a first view angle;

fig. 2 is a schematic structural diagram of an antenna ground return structure according to an embodiment of the disclosure under a second view angle;

fig. 3 is a schematic structural diagram of an antenna ground return structure according to an embodiment of the disclosure under a third view angle;

fig. 4 is a schematic view of a part of a structure of a housing assembly of a mobile terminal according to an embodiment of the present disclosure;

fig. 5 is a schematic view of a portion of a structure of a housing assembly of a mobile terminal according to an embodiment of the present disclosure at a fourth perspective;

fig. 6 is a schematic view of a part of a structure of a housing assembly of a mobile terminal according to an embodiment of the disclosure at a fifth perspective.

10, a shell assembly; 1. a housing; 11. a first body; 12. a second body; 121. a groove; 2. an antenna return structure; 21. a first limit portion; 22. a second limit portion; 221. a body portion; 222. a bending part; 223. a guide slope; 23. an intermediate transition portion; 3. a limit groove; 4. a stopper; 41. a stop protrusion; 42. a limit flange; 5. a receiving chamber; 51. a limit part; 52. a resisting part; 6. and (5) a notch.

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 6, the present embodiment provides a housing assembly of a mobile terminal, including a housing 1 and an antenna ground return structure 2 mounted at a side wall of the housing 1.

In practice, the operator typically assembles the antenna return structure 2 with the housing 1 to form the housing assembly 10 for shipment. The mobile terminal in this embodiment may be, for example, a mobile phone, or a terminal device such as a tablet that needs to use the antenna ground return structure 2. Meanwhile, the case 1 in the present embodiment may be, for example, a case of a speaker, a front frame of a mobile terminal, or the like.

The antenna ground return structure 2 comprises a first limiting part 21 and a second limiting part 22 which are connected.

In specific implementation, the first limiting portion 21 is located above the second limiting portion 22, and a limiting groove 3 is formed by enclosing the first limiting portion 21 and the second limiting portion 22, and the limiting groove 3 is used for allowing part of the side wall of the housing 1 to extend into and limiting the housing 1.

Meanwhile, the antenna return structure 2 is provided with a stop piece 4, and the stop piece 4 is used for preventing the antenna return structure 2 and the shell 1 from moving relatively in the horizontal direction.

The antenna ground return structure 2 comprises the first limiting part 21 and the second limiting part 22 which are connected, the limiting groove 3 is formed by surrounding the first limiting part 21 and the second limiting part 22, and meanwhile, part of the side wall of the shell 1 can extend into the limiting groove 3.

That is, part of the side wall of the housing 1 extends into the limit groove 3, so that the position of the antenna ground return structure 2 in the thickness direction of the housing 1 can be limited to a certain extent. The thickness direction of the case 1 specifically refers to the Z-Z direction shown in fig. 5.

Meanwhile, as the stop piece 4 is further arranged on the antenna return structure 2, when the antenna return structure 2 is positioned in the limit groove 3, the antenna return structure 2 and the shell 1 are prevented from moving relatively in the horizontal direction, so that the position of the antenna return structure 2 in the horizontal direction can be limited to a certain extent, the limiting and fixing effects between the antenna return structure 2 and the shell 1 are improved, the movement of the antenna return structure 2 in the position relative to the shell 1 is avoided to a certain extent, the stability of the antenna return structure 2 mounted on the shell 1 is ensured, the shell assembly 10 can be kept relatively stable when the shell assembly 10 is transported and assembled later, and the assembly efficiency of the subsequent shell assembly 10 is improved to a certain extent.

The housing assembly of the mobile terminal provided by the embodiment is provided with the housing 1 and the antenna grounding structure 2 arranged at the side wall of the housing 1, and the antenna grounding structure 2 comprises a first limiting part 21 and a second limiting part 22 which are connected; the first limiting portion 21 is located above the second limiting portion 22, and a limiting groove 3 is formed by enclosing the first limiting portion 21 and the second limiting portion 22, and the limiting groove 3 is used for allowing a part of a side wall of the housing 1 to extend into and limiting the housing 1. That is, part of the side wall of the housing 1 extends into the limit groove 3, so that the position of the antenna ground return structure 2 in the thickness direction of the housing 1 can be limited to a certain extent. Meanwhile, the stopper 4 is arranged on the antenna return structure 2, and the stopper 4 is used for preventing the antenna return structure 2 and the shell 1 from moving relatively in the horizontal direction, so that the position of the antenna return structure 2 in the horizontal direction can be limited to a certain extent, the limiting and fixing effects between the antenna return structure 2 and the shell 1 are improved, the antenna return structure 2 is prevented from moving relative to the shell 1 to a certain extent and being separated, the stability of the antenna return structure 2 mounted on the shell 1 is ensured, the shell assembly 10 can be kept relatively stable when the shell assembly 10 is transported and assembled later, and the assembly efficiency of the subsequent shell assembly 10 is improved to a certain extent.

In some embodiments, the groove width of the limit groove 3 near the notch is smaller than the groove width at the rest of the limit groove 3 in the groove depth direction of the limit groove 3 to clamp the housing 1 therein. The groove depth direction of the limiting groove 3 is specifically the direction a shown in fig. 2.

In the groove depth direction of the limit groove 3, the groove width of the notch of the limit groove 3 is larger than the groove widths of the rest positions of the limit groove 3, that is, the groove width of the notch of the limit groove 3 is smaller, and the shell 1 can be clamped and fixed in the limit groove 3 by the notch of the limit groove 3, so that the limit effect of the limit groove 3 on the shell 1 is better, and the integrity of the shell assembly 10 is better.

In practice, the size of the partial groove width of the limit groove 3 is matched with the thickness size of the shell 1.

The size of the partial groove width of the limit groove 3 is matched with the thickness size of the shell 1, so that when the shell 1 is positioned in the limit groove 3, the partial groove wall of the limit groove 3 can be attached to the surface of the shell 1 as much as possible, the limit effect between the shell 1 and the limit groove 3 in the Z-Z direction is improved to a certain extent, and the stability between the shell 1 and the antenna return structure 2 is further ensured.

In this embodiment, the second limiting portion 22 specifically includes a body portion 221 and a bending portion 222, the body portion 221 is connected between the first limiting portion 21 and the bending portion 222, and the bending portion 222 extends from one end of the body portion 221 away from the first limiting portion 21 toward a direction close to the notch of the limiting groove 3. Meanwhile, at least the portion of the housing 1 corresponding to the bending portion 222 has elasticity, so that when the housing 1 is located in the limiting groove 3 and the bending portion 222 contacts with the housing 1, the housing 1 deforms under the extrusion of the bending portion 222 and the first limiting portion 21, and the housing 1 is clamped and fixed in the limiting groove 3.

By making the second stopper portion 22 include the body portion 221 and the bent portion 222, and making one end of the body portion 221 connected to the first stopper portion 21, the other end of the body portion 221 is connected to one end of the bent portion 222, and the other end of the bent portion 222 extends toward a direction approaching the notch. That is, the bending portion 222 extends in a direction approaching the housing 1.

Meanwhile, the part of the casing 1 corresponding to the bending part 222 is made to have elasticity, and the part of the casing 1 can deform along the Z-Z direction shown in fig. 5, so that when the casing 1 extends into the limit groove 3 and the bending part 222 contacts with the elastic part of the casing 1, the part of the casing 1 deforms under the co-extrusion action of the bending part 222 and the first limit part 21 (i.e. the bending part 222 is in interference fit with the casing 1), so that the casing 1 can be clamped and fixed in the limit groove 3, and the fixing effect between the casing 1 and the antenna grounding return structure 2 is further improved.

The housing 1 may be, for example, a plastic body, a rubber body, or the like.

The first limiting portion 21, the body portion 221 and the bending portion 222 are integrally formed, so that the integrity of the first limiting portion 21, the body portion 221 and the bending portion 222 is good, and the overall strength of the antenna return structure 2 can be increased, thereby facilitating subsequent use.

In some embodiments, one end of the bending part 222 near the notch of the limit groove 3 is provided with a guiding inclined surface 223, and the guiding inclined surface 223 extends obliquely downwards in a direction away from the limit groove 3 so as to guide the housing 1 when the housing 1 is extended into the limit groove 3.

Through making the one end that is close to the notch of kink 222 have the direction inclined plane 223, and the direction inclined plane 223 is along the direction slope downwardly extending who keeps away from spacing groove 3 sets up, so, when stretching into spacing groove 3 with casing 1, the setting of direction inclined plane 223 can play good guide effect to casing 1, has improved the convenience when casing 1 and antenna return to the earth structure 2 installation, and antenna return to the earth structure 2's installation effectiveness is high.

In some embodiments, the junction between the bending portion 222 and the guiding inclined surface 223 is smoothly transited, so that the occurrence of damage caused by stress concentration at the junction between the bending portion 222 and the guiding inclined surface 223 can be avoided to a certain extent. Meanwhile, the joint of the bending part 222 and the guide inclined surface 223 is in smooth transition, so that the antenna ground return structure 2 is more convenient and smoother to install with the shell 1.

In order to improve the automation effect of the installation between the antenna ground return structure 2 and the housing 1, for example, an assembling manipulator may be used, and the assembling manipulator may have an adsorbing member such as a suction cup, and the adsorbing member is used for adsorbing the antenna ground return structure 2, for example, the adsorbing member may adsorb the upper surface of the first limiting portion 21.

In specific implementation, the casing 1 is fixed at a preset position, a part of the casing 1 for mounting the antenna ground return structure 2 is exposed, the absorption member absorbs the first limiting part 21 of the antenna ground return structure 2, and the antenna ground return structure 2 is mounted on the casing 1 under the automatic movement of the assembly manipulator.

Referring to fig. 2 to 5, the stopper 4 includes a vertically extending stopper protrusion 41 provided on the antenna ground return structure 2, and a groove 121 is provided on the housing 1, and the stopper protrusion 41 may protrude into the groove 121 to define the position of the antenna ground return structure 2 in the horizontal direction of the housing 1.

By arranging the stop piece 4 as the stop protrusion 41 arranged on the antenna ground return structure 2 and arranging the groove 121 for the stop protrusion 41 to extend into on the shell 1, when the shell 1 extends into the limit groove 3, the position of the antenna ground return structure 2 on the horizontal plane of the shell 1 is limited to a certain extent, the possibility that the antenna ground return structure 2 moves on the horizontal plane relative to the shell 1 is reduced to a certain extent, and the stability of the positions of the antenna ground return structure 2 and the shell 1 in the horizontal plane direction is improved.

In the present embodiment, the stopper projection 41 is provided specifically on the first stopper portion 21. Meanwhile, the first limiting part 21 and the second limiting part 22 are both limiting plates, at least two stop protrusions 41 are arranged at intervals along the first limiting part 21, and meanwhile, at least two grooves 121 are formed and correspond to the stop protrusions 41 one by one, so that the stability of the position between the antenna return ground structure 2 and the shell 1 on the horizontal plane is higher.

The number of the stop protrusions 41 is at least two, and the at least two stop protrusions 41 are arranged at intervals on the antenna ground return structure 2. Meanwhile, at least two grooves 121 are provided and are arranged in one-to-one correspondence with the stop protrusions 41.

By the arrangement, the position of the antenna return structure 2 on the horizontal plane of the shell 1 can be further limited, the possibility that the antenna return structure 2 moves on the horizontal plane relative to the shell 1 is further reduced, and the stability of the positions of the antenna return structure 2 and the shell 1 in the horizontal plane direction is better.

In some embodiments, the housing 1 includes a first body 11 and a second body 12, the second body 12 is connected at an outer side wall of the first body 11, and a top surface of the second body 12 is lower than a top surface of the first body 11, so that the outer side wall of the first body 11 and a surface of the second body 12 jointly enclose to form the accommodating cavity 5. Wherein the groove 121 is located on the second body 12.

Meanwhile, the limiting groove 3 is used for allowing the second body 12 to extend in, the cavity wall of the accommodating cavity 5 is provided with a limiting part 51 extending towards the direction close to the center of the accommodating cavity 5, the stop piece 4 further comprises a limiting flange 42 arranged on the antenna ground return structure 2, and when the antenna ground return structure 2 is installed on the second body 12, the limiting flange 42 is abutted against the limiting part 51.

By making the housing 1 include the first body 11 and the second body 12 connected to the outer side wall of the first body 11, and making the top surface of the second body 12 lower than the top surface of the first body 11, the outer side wall of the first body 11 and the surface of the second body 12 can be enclosed together to form the accommodating cavity 5.

Meanwhile, by providing the limiting portion 51 on the cavity wall of the accommodating cavity 5 and providing the limiting flange 42 on the antenna ground return structure 2, the limiting flange 42 is made to abut against the limiting portion 51 when the antenna ground return structure 2 is mounted on the second body 12. Referring to fig. 5, the engagement of the limit flange 42 and the limit portion 51 can prevent the antenna return structure 2 mounted on the second body 12 from rotating on the horizontal plane of the housing 1 to a certain extent, and further ensure the stability of the positions of the antenna return structure 2 and the housing 1 on the horizontal plane.

In this embodiment, the limiting portion 51 is specifically a limiting post. Of course, the limiting portion 51 may be a limiting convex hull.

Referring to fig. 3 to 5, in this embodiment, two limiting flanges 42 are specifically arranged on the antenna ground return structure 2 at intervals, and meanwhile, two limiting portions 51 are also arranged and correspond to the limiting flanges 42 one by one, so that the stability of the positions of the antenna ground return structure 2 and the housing 1 on the horizontal plane is better.

Referring to fig. 3 and 5, in some embodiments, the antenna ground return structure 2 further has a notch 6 at an edge thereof, and an extending direction of the notch 6 is consistent with a mounting direction of the antenna ground return structure 2 on the second body 12. Meanwhile, the cavity wall of the accommodating cavity 5 is provided with a resisting part 52, and the resisting part 52 can extend into the notch 6 when the antenna ground return structure 2 is mounted on the second body 12. The installation direction of the antenna ground return structure 2 on the second body 12 is specifically the direction B shown in fig. 5.

Through setting up breach 6 at the edge of antenna returning to earth structure 2 to set up the portion of resisting 52 that can stretch into in breach 6 on holding the chamber wall of chamber 5, so, referring to the fig. 5, when antenna returning to earth structure 2 installs on second body 12, can avoid the possibility that antenna returning to earth structure 2 takes place to rotate on the horizontal plane of second body 12 to a certain extent, antenna returning to earth structure 2 is connected fixedly with casing 1 and is effectual, has further improved the wholeness of casing subassembly 10, and simple structure of whole antenna returning to earth structure 2, convenient operation when fixed with the casing.

Meanwhile, compared with the method for fixing the antenna return structure 2 and the shell 1 by means of hot melting and the like, the antenna return structure 2 in the embodiment is more convenient and quicker to fix without intervention of a third-party tool when being fixed with the shell 1.

Example two

The present embodiment provides a mobile terminal including a housing assembly 10 of the mobile terminal.

The specific structure and implementation principle of the housing assembly 10 of the mobile terminal in this embodiment are the same as those of the housing assembly 10 of the mobile terminal provided in the first embodiment, and the same or similar technical effects can be achieved, 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 (10)

1. A housing assembly of a mobile terminal, comprising a housing (1) and an antenna ground return structure (2) mounted at a side wall of the housing (1), the antenna ground return structure (2) comprising a first limit portion (21) and a second limit portion (22) connected;

the first limiting part (21) is positioned above the second limiting part (22), and a limiting groove (3) is formed by surrounding the first limiting part (21) and the second limiting part (22); the limiting groove (3) is used for enabling part of the side wall of the shell (1) to extend in and limiting the shell (1);

the antenna return structure (2) is provided with a stop piece (4), and the stop piece (4) is used for preventing the antenna return structure (2) from moving relative to the shell (1) in the horizontal direction.

2. A housing assembly of a mobile terminal according to claim 1, characterized in that the groove width of the limit groove (3) near the notch is smaller than the groove width of the rest of the limit groove (3) in the groove depth direction of the limit groove (3) to clamp the housing (1) therein.

3. A housing assembly of a mobile terminal according to claim 1, characterized in that at least part of the slot width of the limit slot (3) is dimensioned to match the thickness dimension of the housing (1).

4. A housing assembly of a mobile terminal according to claim 3, wherein the second limiting portion (22) comprises a body portion (221) and a bending portion (222), the body portion (221) is connected between the first limiting portion (21) and the bending portion (222), and the bending portion (222) is bent towards a direction approaching the notch of the limiting groove (3);

at least the part of the shell (1) corresponding to the bending part (222) has elasticity, so that when the shell (1) is positioned in the limit groove (3) and the bending part (222) is in contact with the shell (1), the shell (1) deforms under the extrusion of the bending part (222) and the first limit part (21), and the shell (1) is clamped and fixed in the limit groove (3).

5. The housing assembly of a mobile terminal according to claim 4, wherein the first limiting portion (21), the body portion (221) and the bending portion (222) are integrally formed;

and/or one end of the bending part (222) close to the notch of the limit groove (3) is provided with a guide inclined surface (223), and the guide inclined surface (223) extends downwards in an inclined manner along the direction away from the limit groove (3) so as to guide the shell (1) when the shell (1) stretches into the limit groove (3).

6. A housing assembly of a mobile terminal according to any of claims 1-5, characterized in that the stop (4) comprises a vertically extending stop protrusion (41) provided on the antenna return structure (2), the housing (1) being provided with a recess (121), the stop protrusion (41) being extendable into the recess (121) to define the position of the antenna return structure (2) in the horizontal direction of the housing (1).

7. The housing assembly of a mobile terminal according to claim 6, characterized in that the number of stop protrusions (41) is at least two, and that at least two of the stop protrusions (41) are arranged at intervals on the antenna return structure (2);

the number of the grooves (121) is at least two, and the grooves are arranged in one-to-one correspondence with the stop protrusions (41).

8. The housing assembly of a mobile terminal according to claim 6, wherein the housing (1) comprises a first body (11) and a second body (12) connected at an outer side wall of the first body (11), a top surface of the second body (12) being lower than a top surface of the first body (11) such that the outer side wall of the first body (11), the surface of the second body (12) together enclose a receiving cavity (5); the groove (121) is positioned on the second body (12);

the limiting groove (3) is used for allowing the second body (12) to extend in, a limiting part (51) extending towards the direction close to the center of the accommodating cavity (5) is arranged on the cavity wall of the accommodating cavity (5), the stop piece (4) further comprises a limiting flange (42) arranged on the antenna return-to-ground structure (2), and when the antenna return-to-ground structure (2) is arranged on the second body (12), the limiting flange (42) resists on the limiting part (51).

9. The housing assembly of a mobile terminal according to claim 8, characterized in that the antenna ground return structure (2) further has a notch (6) at its edge, the extension direction of the notch (6) being consistent with the mounting direction of the antenna ground return structure (2) on the second body (12);

the housing chamber (5) has a blocking portion (52) on the chamber wall, which blocking portion (52) can extend into the recess (6) when the antenna return structure (2) is mounted on the second body (12).

10. A mobile terminal, characterized by comprising a housing assembly of the mobile terminal according to any of claims 1 to 9.