CN107395816A - Fold mechanism and Foldable mobile terminal - Google Patents

Abstract

The present invention relates to a folding mechanism and a foldable mobile terminal. The folding mechanism includes a first slide plate, a second slide plate, a first rotating shaft, a second rotating shaft, a connecting piece, a first connecting rod and a second connecting rod. Both the first slide plate and the second slide plate are arranged between the first housing and the second housing, the first slide plate is at least partly accommodated in the first housing and can slide and expand relative to the first housing; the second slide plate is at least partly It is accommodated in the second housing and can slide and expand relative to the second housing; the first rotating shaft is set on the first sliding plate, and the second rotating shaft is set on the second sliding plate; the first end of the first connecting rod is hinged on the first rotating shaft , the second end of the first connecting rod is used for sliding connection with the first housing; the first end of the second connecting rod is hinged on the second rotating shaft, and the second end of the second connecting rod is used for sliding with the second housing connect. The above-mentioned folding mechanism can make the foldable mobile terminal adapt to the dimensional changes in different states without destroying the integrity of the appearance of the foldable mobile terminal.

Description

Folding mechanism and foldable mobile terminal

technical field

The invention relates to the technical field of electronic equipment, in particular to a folding mechanism and a foldable mobile terminal.

Background technique

The flexible display has a bendable performance, which makes it possible for an intelligent mobile terminal equipped with a flexible display, such as a smart phone, to switch between folded and unfolded states. When the mobile terminal is in the unfolded state, the side facing the user and the side facing away from the user are equal in length. However, in the folded state, there is a difference between the two sides of the original equal length due to the thickness of the mobile terminal itself, which requires a foldable The mobile terminal needs to adapt to changes in the length difference between the two sides in different states.

Contents of the invention

A technical problem to be solved by the present invention is how to apply the folding mechanism in the foldable mobile terminal to adapt to the size change of the two opposite sides of the foldable mobile terminal due to its own thickness in different states.

Another technical problem to be solved by the present invention is how to make the foldable mobile terminal adapt to the size change of two opposite sides due to its own thickness in different states.

A folding mechanism, applied to a foldable mobile terminal, for setting a flexible display screen, the folding mechanism includes a first shell and a second shell, the first shell and the second shell are used For setting the flexible display screen; the folding mechanism also includes:

a first sliding plate, disposed between the first housing and the second housing, the first sliding plate is at least partially accommodated in the first housing and can slide and expand relative to the first housing;

a second sliding plate, disposed between the first housing and the second housing, the second sliding plate is at least partially accommodated in the second housing and can slide and expand relative to the second housing;

the first rotating shaft is arranged on the first sliding plate;

the second rotating shaft is arranged on the second sliding plate;

a connecting piece, connecting the first rotating shaft and the second rotating shaft;

a first connecting rod, the first end of the first connecting rod is hinged on the first rotating shaft, and the second end of the first connecting rod is used for sliding connection with the first housing; and

A second connecting rod, the first end of the second connecting rod is hinged on the second rotating shaft, and the second end of the second connecting rod is used for sliding connection with the second housing.

In one of the embodiments, the first housing is provided with a first sliding slot, and the second housing is provided with a second sliding slot; the second end of the first connecting rod is provided with a first connection column, the first connecting column is located in the first chute and is slidably connected with the first casing; the second end of the second connecting rod is provided with a second connecting column, and the second connecting column is located at The second chute is slidably connected with the second housing.

In one of the embodiments, it further includes a first elastic piece, the first elastic piece is arranged in the first chute, and the first elastic piece is respectively arranged at two limit positions of the sliding direction of the first connecting column The first engagement position.

In one of the embodiments, it further includes a second elastic piece, the second elastic piece is arranged in the second chute, and the second elastic piece is respectively arranged at two limit positions of the sliding direction of the second connecting column Second engagement position.

In one of the embodiments, a first damping position is set between the two first engaging positions of the first elastic piece, wherein the first connecting column moves from the first engaging position to the first When the damping position slides, the resistance becomes larger;

A second damping position is set between the two second engaging positions of the second elastic piece, wherein the resistance of the second connecting column becomes larger when sliding from the second engaging position to the second damping position .

In one of the embodiments, the first casing includes a first front casing and a first rear casing that are combined with each other, and the first sliding slot is opened on the first front casing; the second casing includes The second front shell and the second rear shell are combined with each other, and the second slide slot is opened on the second front shell.

In one of the embodiments, it further includes a first pressing piece, the first pressing piece is connected with the first front shell, and the first pressing piece stops the first connecting rod so that the first connecting rod is located at the first between a pressing piece and the first front shell;

It also includes a second pressing piece, the second pressing piece is connected with the second front shell, and the second pressing piece limits the second connecting rod so that the second connecting rod is located between the second pressing piece and the second front shell. between shells.

In one of the embodiments, the first rotating shaft is rotatably connected to the first sliding board; the second rotating shaft is rotatably connected to the second sliding board.

In one of the embodiments, it further includes a first connecting part, the first connecting part includes a first sleeve and a first connecting arm; the first rotating shaft passes through the first sleeve, and the first sleeve The cylinder can rotate relative to the first rotating shaft; the first connecting arm is fixed on the first sleeve, and the first connecting rod is hinged to the first connecting arm;

It also includes a second connecting part, the second connecting part includes a second sleeve and a second connecting arm; the second rotating shaft passes through the second sleeve, and the second sleeve can be opposite to the second The rotating shaft rotates; the second connecting arm is fixed on the second sleeve, and the second connecting rod is hinged to the second connecting arm.

A foldable mobile terminal, comprising a flexible display screen and the folding mechanism, the flexible display screen is arranged on the first casing and the second casing, the folding mechanism makes the first casing and the folding mechanism The second housing is foldable and the flexible display screen is outside the foldable mobile terminal when folded.

A technical effect of an embodiment of the present invention is to enable a foldable mobile terminal to adapt to size changes in different states without destroying the integrity of the appearance of the foldable mobile terminal.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain the drawings of other embodiments according to these drawings without creative work.

FIG. 1 is a schematic perspective view of a foldable mobile terminal in an unfolded state according to an embodiment of the present invention.

FIG. 2 is a schematic perspective view of the foldable mobile terminal shown in FIG. 1 in a folded state.

FIG. 3 is an exploded schematic diagram of the foldable mobile terminal shown in FIG. 1 .

FIG. 4 is a schematic three-dimensional structural view of some elements of the folding mechanism in the foldable mobile terminal shown in FIG. 1 in an unfolded state.

FIG. 5 is a schematic front view of some elements of the folding mechanism shown in FIG. 4 .

FIG. 6 is a three-dimensional structural diagram of the folding mechanism shown in FIG. 4 with part of the structure removed.

FIG. 7 is a partial front view of the unfolded state of the folding mechanism in the foldable mobile terminal shown in FIG. 1 .

FIG. 8 is a partial schematic diagram of the folding state of the folding mechanism shown in FIG. 7 .

Fig. 9 is a partial front view of the unfolded state of the folding mechanism provided by an embodiment of the present invention.

detailed description

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. A preferred embodiment of the invention is shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in Figure 1, the foldable mobile terminal 10 of one embodiment is a mobile phone, in other embodiments, the foldable mobile terminal 10 can also be a tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, sales terminals), wearable devices and other electronic devices. Examples of mobile terminals include, but are not limited to, satellite or cellular telephones. A Personal Communications System (PCS) terminal that can combine cellular radiotelephones with data processing, facsimile, and data communication capabilities. A PDA may include a radiotelephone, pager, Internet/Intranet access, Web browser, organizer, calendar, and/or a Global Positioning System (GPS) receiver. and conventional laptop and/or palm-type receivers or other electronic devices including radiotelephone transceivers.

2 and 3 at the same time, the foldable mobile terminal 10 includes a flexible display 100 and a folding mechanism 200, the folding mechanism 200 includes a first housing 210 and a second housing 220, and the first housing 210 and the second housing 220 It is used to set the flexible display screen 100. In one embodiment, the folding mechanism 200 makes the first housing 210 and the second housing 220 foldable and the flexible display 100 is outside the foldable mobile terminal 10 when folded. Referring to Fig. 1 and Fig. 2 again, the foldable mobile terminal 10 shown in Fig. 1 is in an unfolded state, the foldable mobile terminal 10 shown in Fig. 2 is in a folded state, and the first housing 210 and the second housing 220 are opposite to the foldable mobile terminal. 10 for bending position symmetry.

Referring to Fig. 4, Fig. 5 and Fig. 6 at the same time, the folding mechanism 200 also includes a first slide plate 230, a second slide plate 240, a first rotating shaft 250, a second rotating shaft 260, a connecting member 270, a first connecting rod 280 and a second connecting rod 290. The first sliding board 230 is disposed between the first housing 210 and the second housing 220 , the first sliding board 230 is at least partially accommodated in the first housing 210 and can slide and expand relative to the first housing 210 . The second sliding board 240 is disposed between the first housing 210 and the second housing 220 , the second sliding board 240 is at least partially accommodated in the second housing 220 and can slide and expand relative to the second housing 220 . The first rotating shaft 250 is disposed on the first sliding board 230 , and the second rotating shaft 260 is disposed on the second sliding board 240 . The connecting piece 270 connects the first rotating shaft 250 and the second rotating shaft 260 so that the distance between the first rotating shaft 250 and the second rotating shaft 260 remains unchanged. 250 and the hole through which the second rotating shaft 260 passes. A first end of the first connecting rod 280 is hinged on the first rotating shaft 250 , and a second end of the first connecting rod 280 is used for sliding connection with the first casing 210 . A first end of the second connecting rod 290 is hinged on the second rotating shaft 260 , and a second end of the second connecting rod 290 is used for sliding connection with the second casing 220 .

Referring to Fig. 7 and Fig. 8 at the same time, in one of the embodiments, the first housing 210 is provided with a first chute 212, and the second end of the first connecting rod 280 is provided with a first connecting column 282, the first connecting column 282 is located in the first slide slot 212 and is slidably connected with the first casing 210 . In one embodiment, a second sliding slot 222 is defined on the second casing 220 . The second end of the second connecting rod 290 is provided with a second connecting post 292 , and the second connecting post 292 is located in the second slide groove 222 and is slidably connected with the second casing 220 .

In the unfolded state, the extension length of the side of the folding mechanism 200 facing the flexible display 100 is the same as the extension length of the side facing away from the flexible display 100. Due to the thickness of the folding mechanism 200, in the folded state, the folding mechanism 200 faces The extension length of one side of the flexible display screen 100 is greater than the extension length of the side facing away from the flexible display screen 100, by setting the first sliding plate 230, the first rotating shaft 250, the first connecting rod 280, the second sliding plate 240, and the second rotating shaft 260 , the second link 290 , which can make the first casing 210 and the second casing 220 adapt to the length difference generated when switching between the unfolded state and the folded state.

In one embodiment, the first rotating shaft 250 , the second rotating shaft 260 , the connecting member 270 , the first connecting rod 280 and the second connecting rod 290 can be provided in two groups, and the first rotating shafts 250 of the two groups are all arranged on the first slide plate 230 Above, the second rotating shafts 260 of the two groups are all set on the second sliding plate 240 . Setting the above components into two groups can improve the reliability and stability of the connection.

Referring to FIG. 9 at the same time, in one embodiment, the folding mechanism 200 may further include a first elastic piece 310 , the first elastic piece 310 is arranged in the first sliding groove 212 , and the first elastic piece 310 is in the sliding direction of the first connecting column 282 . The first engaging positions 312 are respectively set at the two limit positions. The two first engaging positions 312 of the first elastic piece 310 correspond to the two ends of the sliding path of the first connecting post 282 on the first slide slot 212 . A certain degree of interference is formed between the first engaging position 312 and the first connecting column 282, so that the first engaging position 312 forms a certain clamping force on the first connecting column 282, preventing the position of the first connecting column 282 from being random. Therefore, the position of the first slide plate 230 relative to the first casing 210 can be stabilized, that is, the foldable mobile terminal 10 can be kept relatively stably in the folded state or the unfolded state.

In one embodiment, a first damping position 314 is provided between the two first engaging positions 312 of the first elastic piece 310, wherein the resistance of the first connecting column 282 when sliding from the first engaging position 312 to the first damping position 314 is get bigger. The increased resistance can be achieved by the fact that the clamping force applied to the first connecting column 282 by the first damping position 314 is greater than the clamping force applied to the first connecting column 282 by the first locking position 312 . For example, the first elastic piece 310 can be waist-shaped, two first engaging positions 312 are formed at both ends of the first elastic piece 310, a first damping position 314 is formed in the middle of the first elastic piece 310, and the first damping position 314 The gap for the first connecting column 282 to penetrate is smaller than the gap for the first connecting column 282 to pass through in the first engaging position 312 , so in the process from the first engaging position 312 to the first damping position 314 , the second The resistance received by the first connecting rod 280 becomes larger. By arranging the first elastic piece 310 in this way, when the first casing 210 and the second casing 220 of the foldable mobile terminal 10 are rotated, there is more damping feeling.

In an embodiment, the folding mechanism 200 may further include a second elastic piece 320, the second elastic piece 320 is arranged in the second sliding groove 222, and the second elastic piece 320 is respectively arranged at two limit positions of the sliding direction of the second connecting column 292. The second engaging position 322 . The two second engaging positions 322 of the second elastic piece 320 correspond to two ends of the sliding path of the second connecting post 292 on the second slide slot 222 . A certain degree of interference is formed between the second engaging position 322 and the second connecting post 292, so that the second engaging position 322 forms a certain clamping force on the second connecting post 292, preventing the second connecting post 292 from being positioned randomly. Therefore, the position of the second slide plate 240 relative to the second casing 220 can be stabilized, that is, the foldable mobile terminal 10 can be kept relatively stably in the folded state or the unfolded state.

In one embodiment, a second damping position 324 is provided between the two second engaging positions 322 of the second elastic piece 320 , wherein the second connecting column 292 resists when sliding from the second engaging position 322 to the second damping position 324 . get bigger. The increased resistance can be achieved by the fact that the clamping force applied to the second connecting column 292 by the second damping position 324 is greater than the clamping force applied to the second connecting column 292 by the second engaging position 322 . For example, the second elastic piece 320 can be waist-shaped, two second engaging positions 322 are formed at both ends of the second elastic piece 320, a second damping position 324 is formed in the middle of the second elastic piece 320, and the second damping position 324 The gap for the second connecting column 292 to penetrate is smaller than the gap for the second connecting column 292 to pass through in the second engaging position 322 , so in the process from the second engaging position 322 to the second damping position 324 , the second The resistance suffered by the second connecting rod 290 becomes larger. By arranging the second elastic piece 320 in this way, when the second shell 220 and the second shell 220 of the foldable mobile terminal 10 are rotated, there is more damping feeling.

Referring again to FIG. 3 , in one embodiment, the first housing 210 includes a first front shell 214 and a first rear shell 216 combined with each other, and the first slide slot 212 is defined on the first front shell 214 . The first front shell 214 and the first rear shell 216 can be snapped together, so as to facilitate installation. The second housing 220 includes a second front shell 224 and a second rear shell 226 that are combined with each other, and the second sliding slot 222 is opened on the second front shell 224 . The second front shell 224 and the second rear shell 226 can be snapped together to facilitate installation.

Referring to FIG. 7 again, further, in an embodiment, the folding mechanism 200 may further include a first pressing piece 330, the first pressing piece 330 is connected to the first front shell 214, and the first pressing piece 330 limits the first link 280 locates the first link 280 between the first pressing plate 330 and the first front shell 214 . In an embodiment, the folding mechanism 200 may further include a second pressing piece 340 connected to the second front case 224, the second pressing piece 340 limits the second link 290 so that the second link 290 is located Between the second pressing piece 340 and the second front shell 224 .

In one embodiment, the folding mechanism 200 may further include a first connecting portion 350 , and the first connecting portion 350 includes a first sleeve 352 and a first connecting arm 354 . The first shaft 250 passes through a first sleeve 352 , and the first sleeve 352 can rotate relative to the first shaft 250 . The first rotating shaft 250 can only be connected in rotation with respect to the first sleeve 352 , but not in sliding connection. The first connecting arm 354 is fixed on the first sleeve 352 , and the first connecting rod 280 is hinged to the first connecting arm 354 . In an embodiment, the folding mechanism 200 may further include a second connecting portion 360 , and the second connecting portion 360 includes a second sleeve 362 and a second connecting arm 364 . The second shaft 260 passes through a second sleeve 362 , and the second sleeve 362 can rotate relative to the second shaft 260 . The second rotating shaft 260 can only be connected in rotation with respect to the second sleeve 362 without sliding. The second connecting arm 364 is fixed on the second sleeve 362 , and the second connecting rod 290 is hinged to the second connecting arm 364 . In other embodiments, the position of the rotational connection may also be changed. Specifically, in one embodiment, the first rotating shaft 250 may be rotationally connected to the first sliding plate 230 . The second rotating shaft 260 can be rotatably connected with the second sliding plate 240 .

Referring to Fig. 6 and Fig. 7 again, in one embodiment, the first end of the first connecting rod 280 is provided with a first hinge post 284, and the first hinge post 284 passes through the hole opened on the first connecting arm 354 and the first The hole opened on the connecting rod 280 makes the first connecting arm 354 hinged to the first connecting rod 280 . In one embodiment, the second end of the second connecting rod 290 is provided with a second hinge post 294, and the second hinge post 294 passes through the hole opened on the second connecting arm 364 and the hole opened on the second link 290, The second connecting arm 364 is hinged to the second link 290 .

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A folding mechanism applied to a foldable mobile terminal for setting a flexible display screen, the folding mechanism comprising a first housing and a second housing, the first housing and the second housing It is used to set a flexible display screen; it is characterized in that the folding mechanism also includes: a first sliding plate, disposed between the first housing and the second housing, the first sliding plate is at least partially accommodated in the first housing and can slide and expand relative to the first housing; a second sliding plate, disposed between the first housing and the second housing, the second sliding plate is at least partially accommodated in the second housing and can slide and expand relative to the second housing; the first rotating shaft is arranged on the first sliding plate; the second rotating shaft is arranged on the second sliding plate; a connecting piece, connecting the first rotating shaft and the second rotating shaft; a first connecting rod, the first end of the first connecting rod is hinged on the first rotating shaft, and the second end of the first connecting rod is used for sliding connection with the first housing; and A second connecting rod, the first end of the second connecting rod is hinged on the second rotating shaft, and the second end of the second connecting rod is used for sliding connection with the second housing. 2. The folding mechanism according to claim 1, wherein a first chute is opened on the first casing, a second chute is opened on the second casing; the first connecting rod The second end of the second connecting rod is provided with a first connecting post, and the first connecting post is located in the first sliding groove and is slidably connected with the first housing; the second end of the second connecting rod is provided with a second connecting rod column, and the second connecting column is located in the second sliding groove and is slidably connected with the second housing. 3. The folding mechanism according to claim 2, further comprising a first elastic piece, the first elastic piece is arranged in the first chute, and the first elastic piece is on the side of the first connecting column. The two limit positions in the sliding direction are respectively provided with first engagement positions. 4. The folding mechanism according to claim 3, further comprising a second elastic piece, the second elastic piece is arranged in the second chute, and the second elastic piece is on the side of the second connecting column. The two extreme positions in the sliding direction are respectively provided with second engagement positions. 5. The folding mechanism according to claim 4, wherein a first damping position is set between the two first engagement positions of the first elastic piece, wherein the first connecting column is connected by the second When an engaging position slides toward the first damping position, the resistance becomes larger; A second damping position is set between the two second engaging positions of the second elastic piece, wherein the resistance of the second connecting column becomes larger when sliding from the second engaging position to the second damping position . 6. The folding mechanism according to claim 2, wherein the first housing comprises a first front shell and a first rear shell combined with each other, and the first slide slot is opened in the first front shell Above; the second housing includes a second front shell and a second rear shell combined with each other, and the second sliding slot is opened on the second front shell. 7. The folding mechanism according to claim 6, further comprising a first pressing piece, the first pressing piece is connected to the first front case, and the first pressing piece limits the first connecting rod making the first connecting rod located between the first pressing piece and the first front shell; It also includes a second pressing piece, the second pressing piece is connected with the second front shell, and the second pressing piece limits the second connecting rod so that the second connecting rod is located between the second pressing piece and the second front shell. between shells. 8 . The folding mechanism according to claim 1 , wherein the first rotating shaft is rotatably connected to the first sliding plate; the second rotating shaft is rotatably connected to the second sliding plate. 9. The folding mechanism according to claim 1, further comprising a first connecting portion, the first connecting portion includes a first sleeve and a first connecting arm; the first rotating shaft passes through the first connecting arm. a sleeve, the first sleeve can rotate relative to the first shaft; the first connecting arm is fixed on the first sleeve, and the first connecting rod is hinged to the first connecting arm; It also includes a second connecting part, the second connecting part includes a second sleeve and a second connecting arm; the second rotating shaft passes through the second sleeve, and the second sleeve can be opposite to the second The rotating shaft rotates; the second connecting arm is fixed on the second sleeve, and the second connecting rod is hinged to the second connecting arm. 10. A foldable mobile terminal, characterized by comprising a flexible display screen and the folding mechanism according to any one of claims 1-9, the flexible display screen being arranged on the first casing and the second casing Above, the folding mechanism makes the first casing and the second casing foldable and the flexible display screen is on the outside of the foldable mobile terminal when it is folded.