CN113188024A

CN113188024A - Screen expansion device of portable terminal

Info

Publication number: CN113188024A
Application number: CN202110614318.9A
Authority: CN
Inventors: 吴明宪; 张庭荣; 魏锦平; 潘建颖
Original assignee: Shenzhen Huarifu Technology Co ltd
Current assignee: Shenzhen Huarifu Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-07-30

Abstract

The present invention provides a screen expansion device of a portable terminal, which is detachably arranged on a display screen of the portable terminal, and comprises: the expansion screen is in information transmission with the portable terminal in a plugging, wired and/or wireless mode; and a connection assembly, comprising: a damping rotating shaft; and a mounting structure, it passes through the damping pivot rotationally set up in on the expansion screen, make the expansion screen can for coupling assembling is rotatory around the first axis and around the second axis, mounting structure includes fold condition and expansion state, can locate when expansion state the display screen, thereby will expand the screen device and install portable terminal on the display screen, the first axis with under the user state the vertical limit of expansion screen is parallel, the second axis with under the user state the horizontal limit of expansion screen is parallel.

Description

Screen expansion device of portable terminal

Technical Field

The invention relates to the technical field of terminal equipment, in particular to a screen expansion device of a portable terminal.

Background

In the past, terminal products such as notebook computers, desktop displays and the like have determined the size of a screen in the production process, but in the practical application process, the requirements of consumers on multiple screens or large screens are difficult to meet. Therefore, to meet the needs of consumers, a multi-screen display technology is generally adopted to achieve a multi-screen display effect. At present, the expansion screen of a commercially available multi-screen portable device is not detachable, so that the expansion screen must be carried together when the expansion screen is not needed, which causes inconvenience in carrying, and the rotation angle of the expansion screen is limited during use, which causes poor flexibility during use.

Disclosure of Invention

The present invention has been made in view of the above problems, and provides a screen expansion device which is detachably attached to a display screen of a portable terminal with a simple structure, and in which an expansion screen is rotatable in multiple directions.

In order to solve the above-mentioned problems, the present invention provides a screen expansion device for a portable terminal, which is detachably attached to a display screen of the portable terminal, comprising:

the expansion screen is in information transmission with the portable terminal in a plugging, wired and/or wireless mode; and

a connection assembly, comprising:

a damping rotating shaft; and

mounting structure, it passes through the damping pivot rotationally set up in on the expansion screen, make the expansion screen can for coupling assembling is rotatory around the first axis and around the second axis, mounting structure includes fold condition and expansion state, can locate by the cover when expansion state the display screen, thereby will expand the screen device and install portable terminal on the display screen, first axis with under the user state the expansion screen indulge the limit parallel, the second axis with under the user state the horizontal limit of expansion screen is parallel.

In some embodiments, the extended screen can rotate around the first axis within a range of 0 to 180 degrees, and the extended screen can rotate around the second axis within a range of 0 to 360 degrees.

In some embodiments, the damping spindle comprises:

a rotating shaft seat;

one end of the first rotating shaft is rotatably arranged on the rotating shaft seat, and the other end of the first rotating shaft is fixedly arranged on the expansion screen; and

and one end of the second rotating shaft is rotatably arranged on the rotating shaft seat, the other end of the second rotating shaft is fixedly arranged on the mounting structure, and the extending direction of the second rotating shaft is vertical to the extending direction of the first rotating shaft.

In some embodiments, the rotation shaft seat includes a main body in a "U" shape and two extension portions extending in the same direction from both sides of the main body, the first rotation shaft is rotatably provided to the main body, and the second rotation shaft is rotatably provided to the extension portions.

In some embodiments, the mounting structure includes a telescoping tension assembly and two mounts rotatably disposed on either side of the tension assembly.

In some embodiments, the mounting structure further comprises a rotating shaft, and the two fixing pieces are rotatably arranged on two sides of the stretching assembly through the rotating shaft.

In some embodiments, the stretching assembly includes a support, an elastic member, and a stretchable tube disposed within the support, the elastic member being disposed within the stretchable tube.

In some embodiments, the surface of the fixing member and/or the bracket, which is in contact with the display screen, is provided with a clamping member for clamping a frame of the display screen.

In some embodiments, two protrusions are spaced apart from each other on the clamping member, and a groove is formed between the two protrusions for allowing a frame of the display screen to be inserted into the groove.

In some embodiments, a receiving groove is concavely formed on a surface of one side of the bracket, a protruding portion is convexly formed on a corresponding side of the fixing member, and when the mounting structure is in a folded state, the protruding portion is embedded into the receiving groove.

Through the screen expansion device of the embodiment, on one hand, the screen expansion device is detachably mounted on the portable terminal, a user can mount or mount the screen expansion device according to actual use requirements, and the screen expansion device is convenient to mount and dismount, simple in structure and flexible in usability; on the other hand, in the case that the screen expansion device is installed in the portable terminal, the expansion screen can be used in combination with the display screen of the portable terminal, and the expansion screen can rotate around a first axis and a second axis relative to the connecting assembly, wherein the first axis is parallel to the longitudinal side of the expansion screen in the use state, and the second axis is parallel to the transverse side of the expansion screen in the use state, so that better visual experience is provided for a user.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of the screen enlarging apparatus according to the present invention.

Fig. 2 is a perspective view of the screen expanding device shown in fig. 1 in a deployed state.

Fig. 3 is an exploded view of the screen enlarging apparatus shown in fig. 2.

Fig. 4 is a first state diagram of a first usage process of the screen enlarging apparatus shown in fig. 1 after being mounted to the portable terminal.

Fig. 5 is a second state diagram of a first usage process after the screen enlarging apparatus shown in fig. 1 is mounted to the portable terminal.

Fig. 6 is a second state diagram of a first usage process after the screen enlarging apparatus shown in fig. 1 is mounted to the portable terminal.

Fig. 7 is a first state diagram of a second usage process after the screen enlarging apparatus shown in fig. 1 is mounted to the portable terminal.

Fig. 8 is a second state diagram of a second usage process after the screen enlarging apparatus shown in fig. 1 is mounted to the portable terminal.

Fig. 9 is a third state diagram of a second usage process after the screen enlarging apparatus shown in fig. 1 is mounted to the portable terminal.

Fig. 10 is a state diagram of a third usage process of the screen enlarging apparatus shown in fig. 1.

Fig. 11 is a state view of another angle of the screen enlarging apparatus shown in fig. 10.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive effort based on the embodiments in the present application are within the scope of protection of the present application.

The invention is described in further detail below with reference to the accompanying examples.

Referring to fig. 1 and fig. 2, the present invention provides a screen expansion device 100 of a portable terminal 200, wherein the screen expansion device 100 is detachably mounted on a display 210 of the portable terminal 200, the portable terminal 200 can be, but is not limited to, a mobile phone, a notebook computer, a desktop computer, a tablet computer, an electronic book, a handheld game machine, a video player, and the like, and in the present embodiment, the portable terminal 200 is described by taking a notebook computer as an example.

Referring to fig. 2 and 3, the screen expansion device 100 includes an expansion screen 10 and a connection assembly 30. The expansion screen 10 performs information transmission with the portable terminal 200 by plugging, wire connection and/or wireless connection. The structure of the expansion screen 10 may be a known display screen structure, and is not limited herein.

The connection assembly 30 includes a damping shaft 31 and a mounting structure 32. The mounting structure 32 is rotatably disposed on the extension screen 10 through the damping rotation shaft 31, so that the extension screen 10 can rotate around a first axis X and rotate around a second axis Y relative to the connection assembly 30, the first axis X is parallel to a longitudinal side of the extension screen 10 in a use state, the second axis Y is parallel to a transverse side of the extension screen 10 in the use state, in the present embodiment, a range in which the extension screen 10 can rotate around the first axis X is 0 to 180 degrees, and a range in which the extension screen 10 can rotate around the second axis Y is 0 to 360 degrees. The mounting structure 32 includes a folded state and an unfolded state, and is mountable on the display 210 of the portable terminal 200 in the unfolded state, thereby mounting the screen enlarging apparatus 100 on the display 210 of the portable terminal 200.

It can be understood that, with the screen expansion device 100 of the present embodiment, on one hand, the screen expansion device 100 is detachably mounted on the portable terminal 200, and a user can mount or mount the screen expansion device 100 according to actual use requirements, so that the screen expansion device is convenient to mount and dismount, simple in structure and flexible in usability; on the other hand, in the case where the screen expansion device 100 is mounted on the portable terminal 200, the expansion screen 10 can be used in combination with the display screen 210 of the portable terminal 200, and the expansion screen 10 can be rotated about the first axis X and about the second axis Y with respect to the connection assembly 30 to provide a better visual experience for the user.

In the present embodiment, the first shaft 311 is an L-shaped multidirectional damping shaft 31. Specifically, the L-shaped multi-directional damping rotating shaft 31 includes a rotating shaft seat 310, a first rotating shaft 311, a second rotating shaft 312, a first shaft sleeve 313 and a second shaft sleeve 314. One end of the first rotating shaft 311 is rotatably disposed on the rotating shaft seat 310, the other end is fixedly disposed on the expansion screen 10, one end of the second rotating shaft 312 is rotatably disposed on the rotating shaft seat 310, the other end is fixedly disposed on the mounting structure 32, and the extending direction of the second rotating shaft 312 is perpendicular to the extending direction of the first rotating shaft 311. The first bushing 313 and the second bushing 314 cooperate to form a receiving space (not shown) for receiving the rotating shaft holder 310.

Further, the rotating shaft seat 310 includes a main body 315 in a shape of "U" and two extending portions 316, the two extending portions 316 extend from two sides of the main body 315 along the same direction, the first rotating shaft 311 is rotatably installed on the main body 315, specifically, one end of the first rotating shaft 311 passes through a first through hole of the main body 315, and passes through an end of the first through hole and is fixed by a fixing member 317, so as to prevent the first rotating shaft 311 from being separated from the main body 315 during use, the second rotating shaft 312 is rotatably installed on the extending portions 316, specifically, one end of the second rotating shaft 312 sequentially passes through second through holes of the two extending portions 316.

It can be understood that, in the above manner, when the screen expansion device 100 is fixed on the display screen 210, the expansion screen 10 can rotate around the first axis X and around the second axis Y relative to the connecting assembly 30, so as to provide a better visual experience for the user.

Further, one end of the first rotating shaft 311 connected to the expansion screen 10 is flat, and the expansion screen 10 is fixed in the expansion screen 10 by being attached to a first connecting member (not shown) which is fixedly disposed in the expansion screen 10.

The mounting structure 32 includes a retractable stretching assembly 321 and two fixing members 322, and the two fixing members 322 are rotatably disposed on two sides of the stretching assembly 321. Further, the mounting structure 32 further includes two rotating shafts 323, and two fixing members 322 are rotatably disposed on two sides of the stretching assembly 321 through the rotating shafts 323. Of course, in other embodiments, the fixing member 322 may be rotatably disposed on both sides of the stretching assembly 321 by other methods, which are not limited herein.

In this way, when the screen expansion device 100 needs to be used, the screen expansion device 100 can be fixed on the display screen 210 of the portable terminal 200 only by pulling the stretching assembly 321 apart and rotating the two fixing members 322 to be perpendicular to the stretching assembly 321, and after the screen expansion device is used, the fixing members 322 are rotated to be attached to the stretching assembly 321.

Further, the stretching assembly 321 includes a bracket 3210 and a retractable stretching tube 3211, and the stretching tube 3211 is disposed in the bracket 3210. In this embodiment, an elastic member (not shown) is disposed inside the bracket 3210, and both ends of the elastic member are respectively connected to both ends of the stretching tube 3211, so that when the stretching tube 3211 is in a pulled-out state, the elastic member is stretched, and thus the elastic member has a resilience, so that when the mounting structure 32 is mounted on the display screen 210, the fixing members 322 on both sides of the resilience of the elastic member can be stably mounted on the display screen 210.

It is understood that one of the rotating shafts 323 is disposed on the bracket 3210 and the other rotating shaft 323 is disposed on the stretching tube 3211.

Further, the surface of the fixing member 322 and/or the bracket 3210 contacting the display screen 210 is provided with a clamping member 324 for clamping a bezel of the display screen 210. Specifically, two protrusions 325 are spaced apart from each other on the clamping member 324, and a groove 326 is formed between the two protrusions 325 for the bezel of the display screen 210 to be inserted into.

In this embodiment, the clip 324 is provided on both the surface of the fixing member 322 and the surface of the bracket 3210 that contacts the display screen 210, but in other embodiments, the clip 324 may be provided on the surface of the fixing member 322 or the surface of the bracket 3210 that contacts the display screen 210, and the present invention is not limited thereto.

In the present embodiment, the holder 324 is made of a material such as silicone rubber, but is not limited thereto.

Further, a protrusion 327 is convexly disposed on one side of the fixing member 322, and a receiving groove 328 is concavely disposed on a corresponding side surface of the bracket 3210, so that when the mounting structure 32 is in the folded state, the protrusion 327 is inserted into the receiving groove 328.

It can be understood that, by the above-mentioned manner, since the protrusion portion 327 is embedded into the receiving groove 328, when the mounting structure 32 is in the folded state, the fixing member 322 is not easily separated from the bracket 3210. The following describes the assembling and disassembling process of the screen expanding device 100 with reference to fig. 1 and 2.

As shown in fig. 1, when the screen expansion device 100 needs to be mounted on the portable terminal 200, the mounting structure 32 is in a folded state, and the screen expansion device 100 can be stably mounted on the portable terminal 200 by separating the stretching assembly 321 from the fixing assembly 322, so that the fixing assembly 322 is perpendicular to the stretching assembly 321, further, pulling the stretching tube 3211 open, and then inserting the display screen 210 of the portable terminal 200 into the groove 326 of the clamping member 324. When the screen expansion device 100 needs to be detached from the portable terminal 200, the fixing member 322 and the stretching member 321 need only be separated from the frame of the display screen 210.

Hereinafter, a first usage process of the screen enlarging apparatus 100 after being mounted to the portable computer terminal will be described with reference to fig. 4 to 7.

When the screen expansion device 100 is mounted on the portable terminal 200, the display screen 210 and the screen expansion device 100 are located on the same surface, and the expansion screen 10 may be rotated around the first axis X toward the front surface of the display screen 210 as shown in fig. 5, or the expansion screen 10 may be rotated around the first axis X toward the back surface of the display screen 210 until the expansion screen is attached to the back surface of the display screen 210 as shown in fig. 6 and 7.

Hereinafter, a second usage process of the screen enlarging apparatus 100 after being mounted to the portable computer terminal will be described with reference to fig. 4 and 8 to 9.

When the screen expansion device 100 is mounted to the portable terminal 200, the display screen 210 is on the same surface as the screen expansion device 100, as shown in fig. 8, the expansion screen 10 is rotated around the second axis Y until the back surface of the expansion screen 10 is on the same plane as the front surface of the display screen 210 (as shown in fig. 9).

Hereinafter, a state in which the screen expanding device 100 is used independently will be described with reference to fig. 10 to 11.

When the mounting structure 32 is in the folded state, the expansion screen 10 is rotated around the second axis Y, so that an included angle is formed between the expansion screen 10 and the mounting structure 32, and the expansion screen device 100 can be stably placed on a desktop or the like.

With the screen expansion device 100 of the present embodiment, on one hand, the screen expansion device 100 is detachably mounted on the portable terminal 200, and a user can mount or mount the screen expansion device 100 according to actual use requirements, so that the screen expansion device is convenient to mount and dismount, simple in structure and flexible in usability; on the other hand, in the case where the screen expansion device 100 is mounted on the portable terminal 200, the expansion screen 10 can be used in combination with the display screen 210 of the portable terminal 200, and the expansion screen 10 can rotate about the first axis X parallel to the longitudinal side of the expansion screen 10 in the use state and about the second axis Y parallel to the lateral side of the expansion screen 10 in the use state with respect to the connection assembly 30, so as to provide a better visual experience for the user.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A screen expansion device of a portable terminal detachably mounted on a display screen of the portable terminal, comprising:

a connection assembly, comprising:

a damping rotating shaft; and

2. A screen expansion device according to claim 1,

the extension screen can wind the rotatory scope of first axis is 0 ~ 180 degrees, the extension screen can wind the rotatory scope of second axis is 0 ~ 360 degrees.

3. A screen expansion device according to claim 2,

the damping pivot includes:

a rotating shaft seat;

4. A screen expansion device according to claim 3,

the rotating shaft seat comprises a U-shaped main body and two extending parts, the two extending parts extend from two sides of the main body along the same direction, the first rotating shaft is rotatably arranged on the main body, and the second rotating shaft is rotatably arranged on the extending parts.

5. A screen expansion device according to claim 1,

the mounting structure comprises a telescopic stretching assembly and two fixing pieces, wherein the two fixing pieces are rotatably arranged on two sides of the stretching assembly.

6. A screen expansion device according to claim 5,

the mounting structure further comprises a rotating shaft, and the two fixing pieces are rotatably arranged on two sides of the stretching assembly through the rotating shaft.

7. A screen expansion device according to claim 6,

the stretching assembly comprises a support, an elastic piece and a telescopic stretching pipe, wherein the stretching pipe is arranged in the support, and the elastic piece is arranged in the stretching pipe.

8. A screen expansion device according to claim 7,

the fixing piece and/or the surface of the support, which is in contact with the display screen, is provided with a clamping piece for clamping a frame of the display screen.

9. A screen expansion device according to claim 8,

two protruding parts are arranged on the clamping piece at intervals, and a groove is formed between the two protruding parts and used for enabling the frame of the display screen to be embedded.

10. The device of claim 7, wherein a surface of one side of the bracket is recessed with a receiving groove, and a corresponding side of the fixing member is raised with a protrusion, wherein the protrusion is inserted into the receiving groove when the mounting structure is in the folded state.