CN215897781U - Mobile terminal - Google Patents

Abstract

The disclosure relates to a mobile terminal, which comprises a middle frame and a shell structure arranged on the middle frame, wherein the shell structure and/or the middle frame is provided with a connecting structure, so that the shell structure is in hard contact with the middle frame through the connecting structure. Shell structure passes through connection structure hard contact with the center, and shell structure uses this to provide the support for the center, has promoted the structural strength of center for when mobile terminal receives external force striking, the center can not take place to warp easily, has reduced to warp the condition that strikes the glass screen and lead to the glass screen fragmentation because of the center, can play the guard action to the glass screen.

Description

Mobile terminal

Technical Field

The present disclosure relates to the field of mobile terminal design and manufacture, and in particular, to a mobile terminal.

Background

At present, the functions of mobile phones are more and more, and the required components are gradually increased, but the mobile phones are also developing towards the direction of light and thin. This just leads to in the complete machine design, when attenuate complete machine thickness, the components and parts that need dodge are more, in order to create more accommodation space for components and parts, can only set up more through-holes on the center of cell-phone, but so reduce the structural strength of cell-phone center easily, lead to the resistance to deformation ability reduction of cell-phone center, the glass screen of installing on the center can't be protected well to increased the garrulous screen probability, especially to OLED rigid screen, it all is the problem of awaiting urgent solutions to fall the garrulous screen always.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a mobile terminal, this mobile terminal has optimized the structure of center, can reduce the probability of garrulous screen.

In order to achieve the above object, the present disclosure provides a mobile terminal including a middle frame and a case structure mounted on the middle frame, wherein a connection structure is provided on the case structure and/or the middle frame, so that the case structure is in hard contact with the middle frame through the connection structure.

Optionally, the connecting structure includes a latch and a slot engaged with the latch, the slot is disposed on one of the housing structure and the middle frame, and the latch is disposed on the other of the housing structure and the middle frame.

Optionally, the shell structure includes a shell body and a latch, where the latch is configured as an elastic sheet disposed on a side wall of the shell body, or the latch is configured as an elastic sheet disposed on the middle frame.

Optionally, the thickness of the elastic sheet ranges from 0.05mm to 1 mm.

Optionally, a surface of the shell structure where the latch is located is in contact with a surface of the middle frame where the slot is located, or a surface of the shell structure where the slot is located is in contact with a surface of the middle frame where the latch is located.

Optionally, the shell structure includes a shell body and the latch, a plurality of latches or slots are provided on a side wall of the shell body, and the plurality of latches or slots are circumferentially arranged on the side wall of the shell body at intervals.

Optionally, the side walls of the housing body include a first side wall, a second side wall, a third side wall and a fourth side wall which are connected in sequence and enclose a substantially rectangular shape, and the first side wall, the second side wall, the third side wall and the fourth side wall are all provided with the locking tongue or the locking groove.

Optionally, the latch is integrally formed on the housing structure.

Optionally, the shell structure includes a shell body and a latch, one end of the latch is connected to the side wall of the shell body, the other end of the latch extends upwards in an inclined manner, and an arc portion protruding towards the middle frame is arranged on the latch.

Optionally, the latch further includes a stopping portion, one end of the stopping portion is connected to the upper end of the arc portion, a stopping surface is arranged at the upper end of the clamping groove, and the stopping surface is used for limiting the stopping portion in the Z direction.

Through above-mentioned technical scheme, shell structure passes through connection structure hard contact with the center, and shell structure uses this to provide the support for the center, has promoted the structural strength of center for when mobile terminal receives external force striking, the center can not take place to warp easily, has reduced because of the center warp the striking glass screen and lead to the cracked condition of glass screen, can play the guard action to the glass screen.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is an axis view of a partial structure of a middle frame of a mobile terminal according to an embodiment of the present disclosure;

fig. 2 is a schematic top view of a partial structure of a middle frame of a mobile terminal according to an embodiment of the present disclosure;

FIG. 3 is an axial schematic view of a housing structure provided by one embodiment of the present disclosure;

FIG. 4 is a schematic top view of a housing structure provided by an embodiment of the present disclosure;

FIG. 5 is an axial view of a latch provided in one embodiment of the present disclosure;

fig. 6 is a partial structural schematic diagram of a middle frame provided in an embodiment of the present disclosure, in which a card slot is shown.

Description of the reference numerals

1-middle frame; 11-L-shaped through holes; 12-a mounting surface; 2-a shell structure; 21-a housing body; 211 — a first sidewall; 212-a second side wall; 213-a third sidewall; 214-a fourth side wall; 3-a linking structure; 31-latch; 311-arc-shaped part; 312-a stop; 32-card slot; 321-a stop surface; p-touch point.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, directional terms such as "upper, lower, left and right" are generally defined with reference to the drawing plane directions of the corresponding drawings. "inner and outer" refer to the inner and outer of the profile of the respective component.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In order to enrich the functions of the mobile phone and make the mobile phone lighter, thinner and more portable, through holes need to be formed in the middle frame 1 which is used for supporting the whole structure of the mobile phone so as to reserve installation positions for more components.

For example, as shown in fig. 1 and 2, an L-shaped through hole 11 is formed at a mounting position of a lower left corner housing structure 2 (e.g., a speaker) in a drawing direction of the mobile phone. The applicant has found that when a directional drop test is performed, there is a high probability that the lower left corner (touch point P) will hit the ground, resulting in the screen breaking at that corner, while the other three corners hit the ground with little screen breaking. When the whole screen breaking machine is disassembled and analyzed, the fact that glass debris remains at the lower left corner of the middle frame 1 of the mobile phone shows that the middle frame 1 is deformed due to insufficient strength and seriously collides with a glass screen of the mobile phone, and therefore the glass screen is broken. It is the L-shaped through hole 11 that reduces the structural strength of this part for the center 1 in the lower left corner of the cell-phone is easier to be out of shape. However, the L-shaped through hole 11 cannot be eliminated on the premise that the thickness of the whole mobile phone cannot be increased or the function of the mobile phone cannot be reduced

In view of this, as shown in fig. 1 to 6, the present disclosure provides a mobile terminal including a middle frame 1 and a case structure 2 mounted on the middle frame 1, the case structure 2 and/or the middle frame 1 being provided with a connection structure 3 such that the case structure 2 is in hard contact with the middle frame 1 through the connection structure 3.

On the center 1 in the lower left corner of cell-phone, install shell structure 2, shell structure 2's shell is stainless steel generally, and its volume is big enough and structural strength is high enough. Thus, the support for the middle frame 1 may be provided by the outer shell of the shell structure 2 by providing the connecting structure 3 between the shell structure 2 and the middle frame 1 such that the shell structure 2 forms a hard contact with the middle frame 1.

Through the technical scheme, shell structure 2 and center 1 realize the hard contact through connection structure 3, shell structure 2 uses this to provide the support for center 1, the structural strength of center 1 has been promoted, make when the cell-phone receives external force striking, especially when the lower left corner (touching point P) atress as shown in figure 1 and figure 2 of cell-phone, can not take place to warp easily, reduced because of center 1 warp the cracked condition of screen that leads to of striking glass screen, the completeness of glass screen has been protected, can play the guard action to glass screen.

In addition, in the present disclosure, the mobile terminal may be a tablet computer, a palm reader, or the like, in addition to the mobile phone, which is not limited in the present disclosure.

The housing structure 2 may be any suitable component existing in the mobile terminal, for example, the housing structure 2 may be a speaker, or the housing structure 2 may be a motor, and the housings of the speaker and the motor are generally metal housings, so that the structural strength is good, and the structural strength of the middle frame 1 can be effectively improved.

In addition, the present disclosure does not limit the specific structure of the connection structure as long as the hard contact of the case structure 2 and the middle frame 1 can be achieved. For example, as discussed below, a spring plate may be disposed on the housing structure 2 or the middle frame 1, and the housing structure 2 is in hard contact with the middle frame 1 by the elastic force provided by the spring plate to provide support for the middle frame 1. Can also set up the joint structure of mutually supporting respectively on shell structure 2 and center 1, with shell structure 2 joint on center 1, fixed shell structure 2 on the one hand, on the other hand still provides the support for center 1.

Alternatively, as an embodiment of the present disclosure, the connecting structure 3 may include a latch 31 and a slot 32 snap-fitted to the latch 31, the slot 32 is disposed on one of the housing structure 2 and the middle frame 1, and the latch 31 is disposed on the other of the housing structure 2 and the middle frame 1. For example, as shown in fig. 1 and 3, a card slot 32 may be provided on the middle frame 1 and a card tongue 31 provided on the housing structure 2. So, through the cooperation of latch 31 and draw-in groove 32 and be connected, can realize shell structure 2 and the hard contact of center 1, simultaneously, the simple structure of latch 31 and draw-in groove 32, the processing of being convenient for can realize making shell structure 2 and the effect of center 1 hard contact through comparatively simple structure.

Alternatively, as an embodiment of the present disclosure, as shown in fig. 3, the housing structure 2 may include a housing body 21 and a latch 31, where the latch 31 is configured as an elastic sheet disposed on a side wall of the housing body 21, or the latch 31 is configured as an elastic sheet disposed on the middle frame 1. According to different design requirements, the clamping tongue 31 is arranged on the side wall of the shell body 21 or the middle frame 1 so as to be matched with the clamping groove 32 to enable the shell structure 2 and the middle frame 1 to be in hard contact. Because the draw-in groove 32 is for seting up the recess on the mating surface of shell structure 2 and center 1, constructs block tongue 31 as the shell fragment for when impressing block tongue 31 into draw-in groove 32, block tongue 31 can dodge shell structure 2 or center 1's structure through elastic deformation, avoids seting up draw-in groove 32 as logical groove, has reduced the amount of work, also avoids weakening the structural strength of center 1 simultaneously. When the latch 31 is clamped into the slot 32, the surface of the slot 32 matched with the latch 31 blocks the deformation tendency of the latch 31, and the latch 31 keeps the deformation tendency towards the slot 32 due to the action of elastic force, so that the latch 31 is more tightly attached to the surface of the slot 32 matched with the latch, and the latch 31 is effectively fixed in the slot 32.

The thickness of the elastic sheet is not limited in the present disclosure, and optionally, as an embodiment of the present disclosure, the thickness of the elastic sheet ranges from 0.05mm to 1 mm. The clamping tongue 31 is constructed into the elastic sheet, so that the connecting effect of the clamping tongue 31 is improved, the elastic sheet is used as a main component of the connecting structure 3, and the supporting force from the shell structure 2 is transmitted to the middle frame 1 through the elastic sheet, so that the thickness of the elastic sheet can be thickened as much as possible on the premise of not influencing the processes of device assembly, middle frame 1 slotting and the like. The thickness of the elastic sheet is within the range of 0.05mm-1mm, so that the influence on the supporting strength caused by insufficient structural strength of the elastic sheet due to over-thin elastic sheet can be avoided; on the other hand, the assembly of components and parts and the slotting process of the middle frame 1 can not be influenced due to the over-thick elastic sheet, and the whole production and processing of the mobile phone are ensured to be smooth.

Optionally, as an embodiment of the present disclosure, a surface of the housing structure 2 where the latch 31 is located is in contact with a surface of the middle frame 1 where the latch slot 32 is located, or a surface of the housing structure 2 where the latch slot 32 is located is in contact with a surface of the middle frame 1 where the latch 31 is located. Mutually supporting of latch 31 and draw-in groove 32 makes shell structure 2 and center 1 keep the hard contact state, and when center 1 received external force and assaults, can transmit shell structure 2 through the power that the contact surface will receive on, shell structure 2 and center 1's connection is inseparabler, and simultaneously, shell structure 2 and center 1 have consequently increased area of contact, provide better support for center 1, and moreover, the mutual contact also does benefit to practices thrift the space.

In order to enhance the connection strength between the shell structure 2 and the middle frame 1, optionally, as an embodiment of the present disclosure, as shown in fig. 4, a plurality of locking tongues 31 or locking grooves 32 are provided on the side wall of the shell body 21, and the plurality of locking tongues 31 or locking grooves 32 are circumferentially arranged on the side wall of the shell body 21 at intervals. So set up, avoided the not enough problem of joint strength that single tie point caused, a plurality of block tongues 31 and draw-in groove 32 joint cooperation for shell structure 2 all around homoenergetic forms the hard contact with center 1, has promoted shell structure 2 and to center 1's holding power, also makes shell structure 2 can fix in center 1 better.

Optionally, as an embodiment of the present disclosure, as shown in fig. 4, the side wall of the housing body 21 includes a first side wall 211, a second side wall 212, a third side wall 213, and a fourth side wall 214, which are connected in sequence and enclose a substantially rectangular shape, and the first side wall 211, the second side wall 212, the third side wall 213, and the fourth side wall 214 are all provided with a latch 31 or a latch slot 32. Shell structure 2 mainly contacts with center 1 through the lateral wall, and shell structure 2's overall profile is close the rectangle, so all set up block tongue 31 and draw-in groove 32 on four lateral walls of shell structure 2, can guarantee when each angle and the ascending power of orientation that receive at center 1, shell structure 2 can both be connected with center 1 through the connection structure 3 of block tongue 31 and draw-in groove 32, and provide the support through the contact surface, guaranteed center 1's structural stability.

Referring to fig. 2, in the related art cellular phone, the housing structure 2 is generally mounted on the mounting surface 12 of the middle frame 1 through an adhesive tape to perform Z-direction limitation on the housing structure 2. In the mobile terminal that this disclosure provided, owing to all set up latch 31 or draw-in groove 32 on four lateral walls of shell structure 2, can fix shell structure 2 in center 1 better to can cancel the mode that adopts the gum to fix shell structure 2 on center 1, so set up, make the cell-phone when the trouble needs to be overhauld, the dismouting is more convenient, reduces maintenance duration.

Alternatively, as an embodiment of the present disclosure, the latch 31 may be integrally formed on the housing structure 2. The clamping tongue 31 and the shell structure 2 are manufactured in an integrated forming mode, and the strength of the joint of the clamping tongue 31 and the shell structure 2 is improved. Meanwhile, the manufacturing process is simplified, and the clamping tongue 31 does not need to be manufactured separately and is assembled with the shell structure 2.

Here, since the material of the outer shell of the general casing structure 2 is stainless steel material, it can provide necessary support for the middle frame 1, and the same material is used for the latch 31 for the convenience of processing, but in other embodiments of the present disclosure, the material of the latch 31 may be other materials, for example, aluminum material, and the present disclosure is not limited thereto.

Alternatively, as an embodiment of the present disclosure, as shown in fig. 3 and 5, one end of the latch 31 is connected to the side wall of the housing body 21, and the other end extends obliquely upward, and the latch 31 is provided with an arc portion 311 protruding toward the middle frame 1. The latch 31 extends obliquely upward from the side wall of the housing structure 2, and the latch 31 is configured as a spring structure and is provided with a slot 32 on the middle frame 1. When the shell structure 2 is installed in the middle frame 1, since the opposite surfaces of the middle frame 1 and the shell structure 2 are closer, the clamping tongue 31 can be contracted towards the direction of the shell structure 2 in the process of being embedded into the clamping groove 32, so that the clamping tongue is embedded into the clamping groove 32 by avoiding other structures of the middle frame 1. In addition, the arc-shaped surface of the latch 31 facing the middle frame 1 also enables the surface contacting the middle frame 1 to be a curved surface in the process of embedding the latch 31 into the slot 32, thereby facilitating installation.

Optionally, as an embodiment of the present disclosure, as shown in fig. 5 and 6, the latch 31 may further include a stopping portion 312, one end of the stopping portion 312 is connected to the upper end of the arc portion 311, and the upper end of the slot 32 is provided with a stopping surface 321, where the stopping surface 321 is used to limit the stopping portion 312 in the Z direction, that is, to limit the latch 31 from coming out of the slot 32 in the Z direction. After the clamping tongue 31 is pressed into the clamping groove 32, the clamping groove 32 is provided with a matching surface with the arc part 311 of the clamping tongue 31, the arc part 311 is placed, and the shell structure 2 is limited in the X/Y direction, so that the firmness of the installation of the shell structure 2 on the middle frame 1 is ensured.

Meanwhile, the intersection line of the surfaces, matched with the clamping tongue 31, of the clamping groove 32 is exposed out of the upper portion of the side face of the clamping groove 32, and the clamping tongue 31 and the clamping groove 32 are convenient to disassemble and assemble.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A mobile terminal is characterized in that the mobile terminal comprises a middle frame (1) and a shell structure (2) installed on the middle frame (1), and a connecting structure (3) is arranged on the shell structure (2) and/or the middle frame (1) so that the shell structure (2) is in hard contact with the middle frame (1) through the connecting structure (3).

2. The mobile terminal according to claim 1, wherein the connection structure (3) comprises a latch (31) and a slot (32) engaged with the latch (31), the slot (32) is disposed on one of the housing structure (2) and the middle frame (1), and the latch (31) is disposed on the other of the housing structure (2) and the middle frame (1).

3. The mobile terminal according to claim 2, wherein the housing structure (2) comprises a housing body (21) and the latch (31), the latch (31) is configured as a spring piece disposed on a side wall of the housing body (21), or the latch (31) is configured as a spring piece disposed on the middle frame (1).

4. The mobile terminal of claim 3, wherein the thickness of the spring plate ranges from 0.05mm to 1 mm.

5. The mobile terminal according to any of claims 2-4, wherein a surface of the housing structure (2) on which the latch (31) is located is in contact with a surface of the middle frame (1) on which the latch (32) is located, or wherein a surface of the housing structure (2) on which the latch (32) is located is in contact with a surface of the middle frame (1) on which the latch (31) is located.

6. The mobile terminal according to any of claims 2-4, wherein the housing structure (2) comprises a housing body (21) and the latch (31), a plurality of the latches (31) or the slots (32) are disposed on a side wall of the housing body (21), and a plurality of the latches (31) or the slots (32) are circumferentially spaced on the side wall of the housing body (21).

7. The mobile terminal according to claim 6, wherein the side walls of the housing body (21) include a first side wall (211), a second side wall (212), a third side wall (213), and a fourth side wall (214) that are sequentially connected to form a substantially rectangular shape, and the latch (31) or the slot (32) is disposed on each of the first side wall (211), the second side wall (212), the third side wall (213), and the fourth side wall (214).

8. Mobile terminal according to any of claims 2-4, characterized in that said latch (31) is integrally formed on said housing structure (2).

9. The mobile terminal according to any of claims 2-4, wherein the housing structure (2) comprises a housing body (21) and a latch (31), one end of the latch (31) is connected to a side wall of the housing body (21), and the other end extends obliquely upward, and an arc-shaped portion (311) protruding toward the center frame (1) is disposed on the latch (31).

10. The mobile terminal according to claim 9, wherein the latch (31) further comprises a stopper portion (312), one end of the stopper portion (312) is connected to the upper end of the arc portion (311), the upper end of the slot (32) is provided with a stop surface (321), and the stop surface (321) is used for realizing Z-direction limit on the stopper portion (312).

Images