CN108511242B

CN108511242B - Mobile terminal

Info

Publication number: CN108511242B
Application number: CN201810164924.3A
Authority: CN
Inventors: 丁建; 高军科; 朱丽君
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2018-02-27
Filing date: 2018-02-27
Publication date: 2019-12-24
Anticipated expiration: 2038-02-27
Also published as: CN108511242A

Abstract

The invention discloses a mobile terminal which comprises an external side key, a limiting piece and a shell with a frame, wherein the frame is provided with a mounting hole, the external side key comprises a key column, the key column is movably assembled in the mounting hole, the part of the key column penetrating through the mounting hole is matched with the limiting piece, and the limiting piece is in limiting fit with the inner wall of the frame. Above-mentioned scheme can solve present external dress formula side key and need the great mounting hole of open area, and then leads to the less strong and difficult problem sealed of casing intensity.

Description

Mobile terminal

Technical Field

The invention relates to the technical field of mobile terminal design, in particular to a mobile terminal.

Background

With the improvement of science and technology and the promotion of people's demands, the functions of mobile terminal are more and more, and the performance is also more and more optimized, and present mobile terminal is towards large screen, frivolous orientation development, and correspondingly, mobile terminal's inner space is more and more compelled, and this makes the side key outwards install from mobile terminal's inside become difficult. Based on this, currently, many side keys of the mobile terminal are external side keys, and the external side keys can penetrate through the frame of the shell of the mobile terminal from the outside of the mobile terminal, so as to realize the installation from the outside to the inside.

The two ends of the externally-mounted side key are usually provided with hanging lugs, then the hanging lugs are installed in the installing holes of the frame in an obliquely inserting mode, and the hanging lugs need to be matched with the inner wall of the installing holes in a positioning mode so as to avoid falling off. The mounting hole that satisfies above-mentioned mounting means is the bar hole, and in order to adorn formula side key outward and not drop moreover, the inboard of frame need set up the anticreep support, and the hangers can be caught to the anticreep support, and then reaches the mesh of anticreep.

In the mobile terminal with the structure, the opening area of the mounting hole is larger, so that the strength of the frame is weakened, and the overall strength of the shell of the mobile terminal is weakened; but also presents greater difficulty for sealing the tape of the mobile terminal.

Disclosure of Invention

The invention discloses a mobile terminal, which aims to solve the problems that the existing externally-mounted side key needs a mounting hole with a larger opening area, so that the strength of a shell is weaker and the shell is difficult to seal.

In order to solve the problems, the invention adopts the following technical scheme:

the mobile terminal comprises an external side key, a limiting part and a shell with a frame, wherein the frame is provided with a mounting hole, the external side key comprises a key column, the key column is movably assembled in the mounting hole, the key column penetrates through the position of the mounting hole and is matched with the limiting part, and the limiting part is matched with the inner wall of the frame in a limiting mode.

The technical scheme adopted by the invention can achieve the following beneficial effects:

in the mobile terminal disclosed by the invention, the externally-mounted side key comprises the key column, after the key column is assembled with the mounting hole, the key column can pass through the mounting hole to be matched with the limiting piece, and the limiting piece is in limiting fit with the inner wall of the frame, so that the externally-mounted side key can be mounted, and the externally-mounted side key is prevented from falling off from the mounting hole. This kind of mounting means is different from the mounting means who inserts the mounting hole through the hangers is oblique, need not the mounting hole and sets up too big, the mounting hole can ensure to press the button post to pass can, owing to need not to set up the mounting hole that open area is great, just also can reduce the influence to casing intensity, also realize sealed of mounting hole more easily simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a partially exploded view of a mobile terminal incorporating an externally-mounted side key of one configuration according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1 in an assembled state;

FIG. 3 is an enlarged schematic view of the exterior side key shown in FIG. 1;

fig. 4 is a schematic structural view of an exterior side key of another structure disclosed in the embodiment of the present invention.

Description of reference numerals:

100-external side key, 110-key column, 111-thread section, 112-trigger end, 112 a-end body, 112 b-conductive base, 113-sealing groove, 114-stop protrusion, 120-key cap, 200-nut, 300-frame, 310-mounting hole, 320-avoiding groove, 330-accommodating groove, 400-snap piece and 500-sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1-3, an embodiment of the invention discloses a mobile terminal, which includes an external side key 100, a limiting member and a housing.

The housing has a frame 300, and the frame 300 has a mounting hole 310. Exterior side key 100 includes a key post 110, and key post 110 is movably fitted in mounting hole 310. In order to improve the assembly compactness, it is preferable that key post 110 is adapted to the shape of mounting hole 310, for example, key post 110 has a cylindrical structure, and then mounting hole 310 may be a circular hole.

The key post 110 passes through the mounting hole 310 and is engaged with the stopper. The limiting member is in limiting fit with the inner wall of the frame 300.

In the mobile terminal disclosed in the embodiment of the present invention, the exterior-mounted side key 100 includes the key post 110, after the key post 110 is assembled with the mounting hole 310, the key post 110 passes through the mounting hole 310 to be matched with the limiting member, and the limiting member is in limiting fit with the inner wall of the frame 300, so that the exterior-mounted side key 100 can be mounted, and the exterior-mounted side key 100 is prevented from falling off from the mounting hole 310. In the embodiment of the invention, the key post 110 of the externally-mounted side key 100 is installed by matching with the limiting piece after passing through the installation hole, the installation mode is different from the installation mode of obliquely inserting the key post into the installation hole through the suspension loop, the installation hole 310 does not need to be provided with an overlarge area, the installation hole 310 can ensure that the key post 110 passes through, the installation hole 310 with a larger opening area is not needed to be provided, the influence on the strength of the shell can be reduced, and meanwhile, the installation hole 310 is easier to seal.

Specifically, the limiting member may be a pin penetrating through the key post 110 and passing through the mounting hole 310, or may be the nut 200, and on the premise that the limiting member is the nut 200, the key post 110 may include a threaded section 111, the threaded section 111 passes through the mounting hole 310 and is in threaded engagement with the nut 200, and the nut 200 may be in limited engagement with the inner wall of the frame 300.

Exterior side key 100 may also include oppositely disposed keycap 120 and activation end. The outside end of the key post 110 is connected to the key cap 120, the inside end of the key cap 120 is a trigger end passing through the nut 200, and the key cap 120 is in limit fit with the outside end of the mounting hole 310. The key cap 120 is a portion of the exterior side key 100 to be pressed by the user, and the key cap 120 is in limit fit with the outer side end opening of the mounting hole 310, so that the exterior side key 100 can be prevented from being pressed excessively. In one specific embodiment, key cap 120 and key post 110 are an integral structure.

It should be noted that, herein, the outer side refers to a side of the component of the mobile terminal close to the inner cavity of the mobile terminal, and the outer side refers to a side of the component of the mobile terminal far from the inner cavity of the mobile terminal. For example, the outer end of key post 110 refers to the end of key post 110 that is on the side away from the interior cavity of the mobile terminal.

In order to ensure a better appearance of the mobile terminal and not affect the operation of the exterior side key 100, it is preferable that the outer surface of the bezel 300 is provided with an escape groove 320, and the mounting hole 310 penetrates from the bottom of the escape groove 320 to the inner surface of the bezel 300. The key cap 120 is installed in the avoiding groove 320 and is in limit fit with the groove bottom of the avoiding groove 320. In this case, the key cap 120 is partially hidden in the escape groove 320 for the user to manipulate. In one embodiment, the key cap 120 extends at least partially out of the opening of the escape recess 320, in which case a portion of the key cap 120 is hidden within the escape recess 320 and another portion of the key cap 120 extends out of the opening of the escape recess 320 for user manipulation, which makes it easier for the user to manipulate the exterior side key 100.

In order to reduce the occupation of the inner cavity space of the mobile terminal by installing the external side key 100 through the nut 200, in a preferred embodiment, the inner side surface of the frame 300 is provided with a receiving groove 330, the nut 200 is located in the receiving groove 330, and the receiving groove 330 not only can expand the inner cavity space of the mobile terminal, but also can better receive the nut 200.

In the embodiment of the present invention, the end of the key post 110, which extends to the inner cavity of the mobile terminal through the mounting hole 310, is the triggering end 112, the mobile terminal includes a side key circuit, the side key circuit includes a snap piece 400, and the triggering end 112 can trigger the snap piece 400 along with the movement of the external side key 100 when the external side key 100 is pressed. Specifically, the triggering end 112 may include an end body 112a and a conductive base 112b sleeved on the end body 112a, where the conductive base 112b is arranged opposite to the dome 400, so as to trigger the dome 400. The placement of the conductive base 112b can be more conducive to triggering of the snap dome 400. The designer can adjust the hardness of the conductive base 112b to adjust the pressing feel of the exterior side key 100.

In one embodiment, the conductive base 112b may be attached to the dome sheet 400. Of course, the conductive base 112b may have a gap with the dome sheet 400. The gap has a certain width. Specifically, the gap width may be greater than zero and less than 0.05 mm. The gap enables the conductive base 112b to move a distance before the snap dome 400 is triggered. The reservation in above-mentioned clearance can be under the prerequisite that does not influence outer dress formula side key 100 normal work, can provide the error space for other part installations of mobile terminal's inside betterly, and then can reduce mobile terminal because the too much adjustment that installation error leads to in the assembling process.

As described above, in the mobile terminal disclosed in the embodiment of the present invention, the size of the mounting hole 310 is small, so that the sealing is more convenient to achieve. The key post 110 may include a sealing section disposed between the key cap 120 and the trigger end, and a sealing ring 500 is sleeved on the sealing section, and the sealing ring 500 is sealingly disposed between the sealing section and the inner wall of the mounting hole 310. Specifically, the sealing ring 500 and the key post 110 may be an integral injection molding structure, so that the sealing ring 500 can be more stably mounted.

Specifically, the sealing section may be a sealing groove 113, and the sealing ring 500 may be sleeved in the sealing groove 113 and be in positioning fit with the sealing groove 113 in the extending direction of the key post 110.

In a specific embodiment, a stop protrusion 114 may be disposed between the sealing section and a portion of the key post 110 that is engaged with the limiting member (e.g., the nut 200), and the stop protrusion 114 is in limit engagement with the limiting member, so as to determine an installation position of the limiting member on the key post 110 more accurately, thereby facilitating assembly. When the limiting member is the nut 200, the stop protrusion 114 can also prevent the nut 200 from being over-screwed. Specifically, the stop protrusion 114 is an annular protrusion.

In the mobile terminal disclosed in the embodiment of the present invention, the external side key 100 may include a plurality of key posts 110, and the plurality of key posts 110 are all fixedly connected to the key cap 120, thereby implementing multi-point triggering of the external side key 100. Referring to fig. 4, in one embodiment, exterior side key 100 includes two key posts 110, and two key posts 110 are connected side by side to key cap 120.

In the embodiment of the present invention, the external side key 100 may be, but not limited to, a volume key, a power key, a multifunction key, etc. The mobile terminal disclosed by the embodiment of the invention can be a mobile terminal with side keys, such as a mobile phone, a tablet personal computer, a wearable device, an electronic reader, an unmanned aerial vehicle, a watch and the like, and the specific type of the mobile terminal is not limited by the embodiment of the invention.

In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A mobile terminal is characterized by comprising an external side key, a limiting piece and a shell with a frame, wherein the frame is provided with a mounting hole, the external side key comprises a key column, the key column is movably assembled in the mounting hole, the part of the key column penetrating through the mounting hole is matched with the limiting piece, and the limiting piece is in limiting fit with the inner wall of the frame;

the key column comprises a threaded section, the threaded section penetrates through the mounting hole, the limiting piece is a nut, the threaded section is in threaded fit with the nut, and the nut is in limited fit with the inner wall of the frame; an accommodating groove is formed in the inner side surface of the frame, and the nut is located in the accommodating groove;

the external side key also comprises a key cap and a triggering end which are oppositely arranged;

the key column further comprises a sealing section arranged between the key cap and the triggering end, a stop protrusion is arranged between the sealing section and the part, matched with the nut, of the key column, and the stop protrusion is in limit fit with the nut.

2. The mobile terminal of claim 1, wherein the key cap is in a limit fit with an outer port of the mounting hole.

3. The mobile terminal according to claim 2, wherein an avoiding groove is formed in the outer side surface of the frame, the mounting hole penetrates from the groove bottom of the avoiding groove to the inner side surface of the frame, and the key cap is mounted in the avoiding groove and is in limit fit with the groove bottom of the avoiding groove.

4. The mobile terminal of claim 3, wherein the key cap extends at least partially out of a notch of the escape recess.

5. The mobile terminal of claim 2, wherein the trigger terminal comprises an end body and a conductive base sleeved on the end body, the mobile terminal comprises a side key circuit, the side key circuit comprises a dome, and the conductive base is arranged opposite to the dome.

6. The mobile terminal of claim 5, wherein the conductive base is attached to the dome sheet, or a gap is formed between the conductive base and the dome sheet.

7. The mobile terminal according to claim 2, wherein the sealing section is sleeved with a sealing ring, and the sealing ring is arranged between the sealing section and the inner wall of the mounting hole in a sealing manner.

8. The mobile terminal according to claim 7, wherein the sealing section is a sealing groove, and the sealing ring is disposed in the sealing groove and is in positioning fit with the sealing groove in the extending direction of the key post.