CN110769109B

CN110769109B - Folding mobile terminal

Info

Publication number: CN110769109B
Application number: CN201810848224.6A
Authority: CN
Inventors: 陈佳
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2021-06-25
Anticipated expiration: 2038-07-27
Also published as: CN110769109A

Abstract

The application relates to a folding mobile terminal, which comprises a shell assembly, a folding mechanism and a flexible display screen. The shell assembly comprises a first shell and a second shell. The folding mechanism comprises a folding assembly and a clamping assembly, the folding assembly comprises a first rotating rod and a second rotating rod, the clamping assembly comprises a first shaft sleeve, a fifth elastic piece and a clamping piece, a plurality of first clamping grooves are formed in the clamping piece along the circumferential direction of the first rotating rod, a first protrusion is arranged on the first shaft sleeve, and the first protrusion can be clamped in the first clamping grooves; when the first rotating rod rotates, the first protrusion can enter the other first clamping groove from one first clamping groove. The flexible display screen is covered on the first shell and the second shell; when the folding mobile terminal is folded, the flexible display screen is hidden between the first shell and the second shell. The folding mobile terminal can realize hand feeling feedback for a user through the blockage in the folding and unfolding processes.

Description

Folding mobile terminal

Technical Field

The present application relates to the field of mobile terminal technology, and more particularly, to a foldable mobile terminal.

Background

The flexible display has a bendable property, which makes it possible to switch the mobile terminal (e.g., a smartphone) between a folded state and an unfolded state. The foldable mobile terminal has difficulty in providing a user with a feeling feedback during the unfolding and folding processes.

Disclosure of Invention

The embodiment of the application provides a folding mobile terminal to solve the problem that the folding mobile terminal cannot provide hand feeling feedback in the unfolding and folding processes.

A folder-type mobile terminal comprising:

a housing assembly including a first housing and a second housing;

the folding mechanism comprises a folding assembly and a clamping assembly, the folding assembly comprises a first rotating rod and a second rotating rod, the first rotating rod is connected with the second rotating rod so that the first rotating rod can drive the second rotating rod to rotate, the first rotating rod is connected with the first shell, the second rotating rod is connected with the second shell, the first rotating rod can drive the first shell to rotate, and the second rotating rod can drive the second shell to rotate so as to realize the unfolding and folding of the shell assembly;

the clamping component comprises a first shaft sleeve, a fifth elastic piece and a clamping piece, the first shaft sleeve and the clamping piece are respectively sleeved on the first rotating rod, and the first shaft sleeve can slide along the extending direction of the rotating axis of the first rotating rod; the fifth elastic piece is connected with the first rotating rod and the first shaft sleeve so that the first shaft sleeve can slide and stretch along the axial direction of the first rotating rod; a plurality of first clamping grooves are formed in the clamping piece along the circumferential direction of the rotating axis of the first rotating rod, a first protrusion is arranged on the first shaft sleeve, and the first protrusion can be clamped in the first clamping grooves; when the first rotating rod rotates, the first shaft sleeve rotates along with the first rotating rod, so that the first shaft sleeve can rotate relative to the clamping piece, and the first protrusion can enter one first clamping groove from the other first clamping groove;

the flexible display screen is covered on the first shell and the second shell; when the folding mobile terminal is folded, the flexible display screen is hidden between the first shell and the second shell.

In one embodiment, the clamping assembly comprises a second shaft sleeve and a sixth elastic member, the clamping member is further sleeved on the second rotating rod, the second shaft sleeve is sleeved on the second rotating rod and is slidably connected with the second rotating rod, and the sixth elastic member is connected with the second rotating rod and the second shaft sleeve, so that the second shaft sleeve can slidably extend and retract along the extending direction of the rotating axis of the second rotating rod; a plurality of second clamping grooves are formed in the clamping piece along the circumferential direction of the rotating axis of the second rotating rod, a second protrusion is arranged on the second shaft sleeve, and the second protrusion can be clamped in the second clamping grooves;

when the second rotating rod rotates, the second shaft sleeve rotates along with the second rotating rod, so that the second shaft sleeve can rotate relative to the clamping piece, and the second protrusion can enter the other second clamping groove from one second clamping groove.

In one embodiment, the first slots are uniformly distributed along the circumferential direction of the rotation axis of the first rotating rod, and the central angle between two adjacent first slots is less than or equal to 15 °.

In one embodiment, the folding assembly includes a worm wheel, the first rotating rod is a first worm, the second rotating rod is a second worm, the worm wheel is respectively engaged with the first worm and the second worm, during the folding process of the folding mobile terminal, the first housing can drive the first worm to rotate, the first worm can drive the worm wheel to rotate, the worm wheel can drive the second worm to rotate, and the second worm can drive the second housing to turn.

In one embodiment, the housing assembly includes a first top plate, a second top plate, a first elastic member and a second elastic member, the first top plate is rotatable relative to the first housing, the second top plate is rotatable relative to the second housing, the first elastic member is connected to the first top plate and the first housing, respectively, and the second elastic member is connected to the second top plate and the second housing, respectively; in the unfolding and folding processes of the folding mobile terminal, the first top plate can abut against a bendable region of the flexible display screen through the first elastic piece, and the second top plate can abut against the bendable region through the second elastic piece.

In one embodiment, a first sliding groove is formed in one side, facing the flexible display screen, of the first shell, and a second sliding groove is formed in one side, facing the flexible display screen, of the second shell; the folding mechanism comprises a cover plate, the folding assembly comprises a third elastic piece, a first sliding rod, a second sliding rod and a fourth elastic piece, the third elastic piece is respectively connected with one end of the first sliding rod and the first shell, the first sliding rod is slidably arranged in the first sliding groove, the other end of the first sliding rod is sleeved with the first worm, and the first worm is rotatably connected with the cover plate; the fourth elastic piece is respectively connected with one end of the second sliding rod and the second shell, the second sliding rod is slidably arranged in the second sliding groove, one end of the second sliding rod is sleeved on the second worm, and the second worm is rotatably connected with the cover plate;

in the folding process of the folding mobile terminal, the first housing can drive the first worm to rotate through the first slide bar, the third elastic piece pushes the first slide bar to slide in the first sliding groove so as to drive the cover plate to move in the direction away from the bendable region, the first worm can drive the second housing to turn over through the worm wheel and the second worm, and the fourth elastic piece pushes the second slide bar to slide in the second sliding groove; the cover plate, the first top plate and the second top plate form an accommodating space for accommodating the bendable region; in the unfolding process of the folding mobile terminal, the first shell can drive the second shell to turn over through the folding mechanism, and the cover plate can move towards the direction close to the bendable area.

In one embodiment, the housing assembly includes a first baffle plate and a second baffle plate, the first baffle plate is covered on the first sliding groove and detachably connected with the first housing, and the second baffle plate is covered on the second sliding groove and detachably connected with the second housing.

In one embodiment, the first baffle plate comprises a first main body part and a first rotating shaft which are integrally formed, the first main body part is in threaded connection with the first shell, a first shaft hole is formed in the tail end of the first top plate, and the first rotating shaft is rotatably arranged in the first shaft hole so that the first top plate can rotate around the first baffle plate;

the first elastic piece is a torsion spring which is provided with two free ends; the torsion spring is sleeved on the first rotating shaft, one free end of the torsion spring is connected with the first top plate, and the other free end of the torsion spring is connected with the first shell.

In one embodiment, the mortice assembly comprises a stopping member fixed to the cover plate, and the fifth elastic member is located between the stopping member and the first shaft sleeve.

In one embodiment, the first sleeve has a first end and a second end opposite to each other, and the first protrusion is located at the first end; the stopping member is provided with a positioning groove, the fifth elastic member is a spring, one end of the spring abuts against the second end, and the other end of the fifth elastic member is accommodated in the positioning groove and abuts against the stopping member.

In one embodiment, when the foldable mobile terminal is unfolded, a side of the first top panel facing the bendable region is flush with a side of the second top panel facing the bendable region.

In one embodiment, the cover plate comprises a bottom wall, and a first side wall and a second side wall which extend from two opposite edges of the bottom wall, wherein a groove is formed by the first side wall, the second side wall and the bottom wall; when the folding mobile terminal is unfolded, the first side wall is abutted with the first top plate, and the second side wall is abutted with the second top plate; when the folding mobile terminal is folded, the tail end of the first top plate is accommodated in the groove and abutted against the first side wall, and the tail end of the second top plate is accommodated in the groove and abutted against the second side wall.

In one embodiment, the first housing is provided with a first sinking groove, the second housing is provided with a second sinking groove, and the cover plate is slidably arranged in the first sinking groove and the second sinking groove; when the foldable mobile terminal is unfolded, the bottom wall is accommodated in the first sinking groove and the second sinking groove, and the bottom wall is hidden in the housing assembly by the first housing and the second housing; when the folding mobile terminal is folded, a part of the first side wall is accommodated in the first sinking groove, a part of the second side wall is accommodated in the second sinking groove, and the other part of the first side wall, the other part of the second side wall and the bottom wall are exposed out of the shell assembly.

Above-mentioned foldable mobile terminal, at foldable mobile terminal expand with the in-process of foldeing, through the cooperation of card pause subassembly and folding assembly, first arch can get into another first draw-in groove in order to produce to pause and feel from a first draw-in groove to provide the feedback of feeling for the user, and then promote user experience.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings 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 for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a folded mobile terminal in a closed state according to an embodiment;

fig. 2 is a perspective view of another perspective view of the folder-type mobile terminal shown in fig. 1 in a closed state;

fig. 3 is a perspective view of a viewing angle of the folder-type mobile terminal shown in fig. 1 in an unfolded state;

fig. 4 is a perspective view of another viewing angle of the folder-type mobile terminal shown in fig. 3 in an unfolded state;

fig. 5 is an exploded view of the folder type mobile terminal shown in fig. 3;

fig. 6 is a partial view of a housing assembly of the folder-type mobile terminal shown in fig. 5;

fig. 7 is an enlarged schematic view of the folder type mobile terminal shown in fig. 5 at a;

fig. 8 is a partial view of a housing assembly of the folder-type mobile terminal shown in fig. 6 with a folder mechanism mounted thereon;

fig. 9 is a front view of the folder type mobile terminal shown in fig. 1;

fig. 10 is a sectional view of the folder-type mobile terminal of fig. 9 taken along B-B;

fig. 11 is an enlarged schematic view of the folder type mobile terminal C shown in fig. 10;

fig. 12 is a front view of the folder type mobile terminal shown in fig. 3;

fig. 13 is a sectional view of the folder-type mobile terminal of fig. 12 taken along D-D;

fig. 14 is a perspective view of the folding mechanism of the folding mobile terminal shown in fig. 3 in an unfolded state;

FIG. 15 is a perspective view of the folding mechanism of FIG. 14 in a closed position;

FIG. 16 is a perspective view of one perspective of a folding assembly of the folding mechanism of FIG. 14;

FIG. 17 is an exploded view of one perspective of the folding assembly of the folding mechanism of FIG. 16;

FIG. 18 is a perspective view of another perspective of the folding assembly of the folding mechanism shown in FIG. 16;

fig. 19 is an exploded view from another perspective of the folding assembly of the folding mechanism of fig. 18.

The mobile terminal 10, the housing assembly 20, the first housing 210, the first sliding slot 211, the boss 212, the first top plate 213, the first blocking plate 214, the first elastic member 215, the first sinking groove 217, the first left end surface 218, the first right end surface 219, the second housing 220, the second sliding slot 221, the second top plate 223, the shaft hole 2231, the second blocking plate 224, the body portion 2241, the rotating shaft 2243, the second elastic member 225, the second sinking groove 227, the second left end surface 228, the second right end surface 229, the folding mechanism 30, the cover plate 310, the bottom wall 311, the first side wall 313, the second side wall 315, the groove 317, the folding assembly 320, the third elastic member 321, the first sliding rod 322, the sliding portion 3221, the connecting portion 3223, the rotating portion 5, the second sliding rod 326, the fourth elastic member 327, the first shaft sleeve 3281, the first protrusion 3282, the fifth elastic member 3283, the first end 3284, the card-latching groove 3285, the first protrusion 3286, the stopping member 3287, the second end 3288, the second positioning groove 3288, the second end positioning groove 3289, and, Second shaft sleeve 3291, second protrusion 3292, sixth elastic element 3293, second clamping groove 3295, gear assembly 330, first worm 331, worm wheel 332, second worm 333, flexible display 40, and bendable region 410.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As used herein, "terminal device" refers to a device capable of receiving and/or transmitting communication signals including, but not limited to, devices connected via any one or more of the following connections:

(1) via wireline connections, such as via Public Switched Telephone Network (PSTN), Digital Subscriber Line (DSL), Digital cable, direct cable connections;

(2) via a Wireless interface means such as a cellular Network, a Wireless Local Area Network (WLAN), a digital television Network such as a DVB-H Network, a satellite Network, an AM-FM broadcast transmitter.

A terminal device arranged to communicate over a wireless interface may be referred to as a "mobile terminal". Examples of mobile terminals include, but are not limited to, the following electronic devices:

(1) satellite or cellular telephones;

(2) personal Communications Systems (PCS) terminals that may combine cellular radiotelephones with data processing, facsimile, and data Communications capabilities;

(3) radiotelephones, pagers, internet/intranet access, Web browsers, notebooks, calendars, Personal Digital Assistants (PDAs) equipped with Global Positioning System (GPS) receivers;

(4) conventional laptop and/or palmtop receivers;

(5) conventional laptop and/or palmtop radiotelephone transceivers, and the like.

As shown in fig. 1, 2, and 5, the present application provides a folder type mobile terminal 10. In one embodiment, the foldable mobile terminal 10 is a foldable smart phone. The folder-type mobile terminal 10 includes a housing assembly 20, a folding mechanism 30, and a flexible display 40. The housing assembly 20 includes a first housing 210 and a second housing 220. The folding mechanism 30 includes a folding assembly 320 and a clicking assembly. Folding assembly 320 includes first bull stick and second bull stick, and first bull stick and second bull stick are connected to make first bull stick can drive the second bull stick and rotate, first bull stick is connected with first casing 210, and the second bull stick is connected with second casing 220, and first bull stick can drive first casing 210 and rotate, and the second bull stick can drive second casing 220 and rotate, in order to realize the expansion and fold of casing assembly 20. As shown in fig. 15, 16 and 17, the clamping assembly includes a first shaft sleeve 3281, a fifth elastic member 3283 and a clamping member 3285, the first shaft sleeve 3281 and the clamping member 3285 are respectively sleeved on the first rotating rod, and the first shaft sleeve 3281 can slide along the extending direction of the rotating axis of the first rotating rod; a fifth elastic member 3283 connects the first rotating rod and the first sleeve 3281, so that the first sleeve 3281 can slide and extend along the extending direction of the rotating axis of the first rotating rod; a plurality of first clamping grooves 3286 are formed in the clamping piece 3285 along the circumferential direction of the rotation axis of the first rotating rod, a first boss 3282 is arranged on the first shaft sleeve 3281, and the first boss 3282 can be clamped in the first clamping grooves 3286; as the first lever rotates, the first boss 3286 rotates with the first lever, allowing the first boss 3286 to rotate relative to the first catch member 3285 and the first projection 3282 to enter one of the first catch grooves 3286 and the other first catch groove 3286. A flexible display 40 covering the first housing 210 and the second housing 220; when the folder-type mobile terminal 10 is closed, the flexible display 40 is hidden between the first housing 210 and the second housing 220. Wherein the flexible display 40 has a bendable characteristic, which can be used to display information and provide an interactive interface for a user, the housing assembly 20 can provide support for the flexible display 40 and can protect the flexible display 40.

As shown in fig. 3 and fig. 4, specifically, in the process of opening or closing the foldable mobile terminal 10, the first housing 210 drives the first rotating rod to rotate, the first rotating rod drives the second rotating rod to rotate, and the second rotating rod drives the second housing 220 to turn over, so that the first housing 210 and the second housing 220 rotate relatively, and the foldable mobile terminal 10 is opened or closed. During the rotation of the first rotating rod, the first shaft sleeve 3281 moves and rotates along with the first rotating rod, and simultaneously, the first shaft sleeve 3281 slides and extends along the extending direction of the rotation axis of the first rotating rod, so that the fifth elastic element 3283 is deformed, and thus the first protrusion 3282 can slide out of one first slot 3286 and then enter another first slot 3286 under the action of the fifth elastic element 3283. In this way, the first housing 210 can stop at a specific angle by the cooperation of the first card slot 3286 and the first protrusion 3282, and the cooperation of the first card slot 3286 and the first protrusion 3282 can give feedback on the hand feeling of the user. For example, when the first protrusion 3282 enters one first card slot 3286 from another first card slot 3286, a noticeable setback is generated, thereby facilitating an enhanced user experience.

As shown in fig. 17, 18 and 19, the folding assembly 320 includes a worm wheel 332, the first rotating rod is a first worm 331, the second rotating rod is a second worm 333, the worm wheel 332 is respectively engaged with the first worm 331 and the second worm 333, during the folding process of the folding mobile terminal 10, the first housing can drive the first worm 331 to rotate, the first worm 331 can drive the worm wheel 332 to rotate, the worm wheel 332 can drive the second worm 333 to rotate, and the second worm 333 can drive the second housing 220 to turn. Through the cooperation of the first worm 331, the worm wheel 332 and the second worm 333, the second worm 333 can drive the second worm 333 to rotate, and it is ensured that the first casing 210 and the second casing 220 can be stably rotated synchronously to be opened or closed.

The clamping component comprises a second shaft sleeve 3291 and a sixth elastic piece 3293, the clamping component 3285 is further sleeved on the second worm 333, the second shaft sleeve 3291 is in sliding connection with the second worm 333, and the sixth elastic piece 3293 is connected with the second worm 333 and the second shaft sleeve 3291, so that the second shaft sleeve 3291 can slide and stretch along the axial direction of the second worm 333; a plurality of second clamping grooves 3295 are formed in the clamping piece 3285 along the circumferential direction of the second worm 333, a second boss 3292 is formed on the second shaft sleeve 3291, and the second boss 3292 can be clamped in the second clamping grooves 3295; when the second worm 333 rotates, the second collar 3291 rotates with the second worm 333, so that the second collar 3291 can rotate relative to the latching member 3285, and the second protrusion 3292 can enter the second latching groove 3295 from one second latching groove 3295. When the second worm 333 rotates, the second collar 3291 can slide and extend along the axial direction of the second worm 333, and the second protrusion 3292 can enter into the second notch 3295 from one second notch 3295. The arrangement of the second clamping groove 3295 and the second protrusion 3292 is also beneficial to achieving pause of a plurality of specific positions, feedback on hand feeling of a user can be given, and user experience is promoted. It is understood that the first boss 3281 and the second boss 3291 may have the same structure, the first protrusion 3282 may have the same structure as the second protrusion 3292, and the first locking groove 3286 may have the same structure as the second locking groove 3295, which facilitates symmetrical forces on both sides of the worm gear 332 to enable the folding mobile terminal 10 to be unfolded and folded smoothly.

The first locking grooves 3286 are uniformly distributed along the circumferential direction of the first worm 331, and an included angle between two adjacent first locking grooves 3286 is smaller than or equal to 15 °. Similarly, second card slot 3295 is also arranged in the manner of first card slot 3286. This may allow for a relatively large angular dwell between the first housing 210 and the second housing 220. When the included angle between the adjacent first card slots 3286 is 15 °, both the first housing 210 and the second housing 220 may stop at 30 °, 60 °, 90 °, and the like. The housing assembly 20 shown in fig. 1 and 2 includes a first top plate 213, a second top plate 223, a first elastic member 215 and a second elastic member 225, the first top plate 213 can rotate relative to the first housing 210, the second top plate 223 can rotate relative to the second housing 220, the first elastic member 215 is connected to the first top plate 213 and the first housing 210, respectively, and the second elastic member 225 is connected to the second top plate 223 and the second housing 220, respectively; during the unfolding and folding of the folder-type mobile terminal 10, the first elastic member 215 can make the first top plate 213 abut against the bendable region 410 of the flexible display 40, and the second elastic member 225 can make the second top plate 223 abut against the bendable region 410. In an embodiment, when the foldable mobile terminal 10 is unfolded, the displayable areas of the flexible display 40 are located on the same plane, and the displayable areas are rectangular or rounded rectangular, and the foldable mobile terminal 10 in the unfolded state can obtain a large screen display effect. In one embodiment, the portion of the flexible display 40 covering the folding mechanism 30 is provided as a bendable region 410, and the bendable region 410 can be bent and deformed during the unfolding and folding of the folding mobile terminal 10. It is understood that the bendable region 410 is disposed corresponding to the folding mechanism 30, and when the position of the folding mechanism 30 is changed, the position of the bendable region 410 is changed accordingly.

Referring to fig. 8, 9 and 10, a first sliding groove 211 is formed in a side of the first housing 210 facing the flexible display screen 40, and a second sliding groove 221 is formed in a side of the second housing 220 facing the flexible display screen; the folding mechanism 30 includes a cover plate 310, the folding assembly 320 includes a third elastic member 321, a first sliding rod 322, a second sliding rod 326 and a fourth elastic member, the third elastic member 321 is respectively connected with one end of the first sliding rod 322 and the first housing 210, the first sliding rod 322 is slidably disposed in the first sliding slot 211, the other end of the first sliding rod 322 is sleeved on a first worm 331, and the first worm 331 is rotatably connected with the cover plate 310; the fourth elastic element is respectively connected to one end of the second sliding rod 326 and the second housing 220, the second sliding rod 326 is slidably disposed in the second sliding slot 221, one end of the second sliding rod 326 is sleeved on the second worm 333, and the second worm 333 is rotatably connected to the cover plate 310.

In the process of folding the foldable mobile terminal 10, the first housing 210 can drive the first worm 323 to rotate through the first sliding bar 322, and the first elastic member 321 drives the first sliding bar 322 to slide in the first sliding slot 211 to drive the cover plate 310 to move in the direction away from the bendable region 410 of the flexible display 40, the first worm 323 can drive the worm wheel 324 to rotate, the worm wheel 324 can drive the second worm 325 to rotate, the second worm 325 can drive the second housing 220 to turn over through the second sliding bar 326, and the second elastic member 327 drives the second sliding bar 326 to slide in the second sliding slot 221. The portion of the flexible display screen 40 covering the first housing 210 is driven by the first housing 210, the portion of the flexible display screen 40 covering the second housing 220 is driven by the second housing 220, the bendable region 410 of the flexible display screen 40 bends during the folding process of the foldable mobile terminal 10, and the cover plate 310, the first housing 210 and the second housing 220 form an accommodating space for accommodating the bendable region 410. Referring to fig. 11 and 12, during the unfolding of the foldable mobile terminal 10, the first housing 210 can bring the second housing 220 to turn over by the folding mechanism 30, and the cover plate 310 can move to a direction close to the bendable region 410. Specifically, the rotation of the first worm 323 is in a forward direction during the folding process of the folding mobile terminal 10, and during the unfolding process of the folding mobile terminal 10, the first housing 210 can drive the first worm 323 to rotate in a reverse direction through the first slide bar 322, and the first elastic member 321 pulls the first slide bar 322 to slide in the first slide slot 211 to drive the cover plate 310 to move in a direction close to the bendable region 410 of the flexible display 40, the first worm 323 can drive the worm wheel 324 to rotate, the worm wheel 324 can drive the second worm 325 to rotate, the second worm 325 can drive the second housing 220 to turn through the second slide bar 326, and the second elastic member 327 pulls the second slide bar 326 to slide in the second slide slot 221. The portion of the flexible display screen 40 covered on the first housing 210 is driven by the first housing 210, the portion of the flexible display screen 40 covered on the second housing 220 is driven by the second housing 220, and the bendable region 410 of the flexible display screen 40 is gradually flattened in the process of unfolding the foldable mobile terminal 10. In other embodiments, the folder-type mobile terminal 10 may be a tablet or the like.

In the folding process of the folding mobile terminal 10, the folding assembly 320 can drive the cover plate 310 to move, the cover plate 310, the first housing 210 and the second housing 220 can form a receiving space for receiving the bendable region 410 of the flexible display 40, and a length of a side of the folding mobile terminal 10 facing away from the flexible display 40 can be extended. The length of the side of the folder type mobile terminal 10 facing away from the flexible display 40 can be shortened during the unfolding of the folder type mobile terminal 10. The above structure can adapt to the size change of the side where the flexible display 40 is located and the side facing away from the flexible display 40 in different states, thereby facilitating the smooth unfolding and folding of the folding mobile terminal 10.

In an embodiment, the first elastic element 321 is a spring or an elastic column, and the elastic column may be a columnar structure made of a silicone material, a columnar structure made of a rubber material, or a columnar structure made of other elastic materials. When the folder-type mobile terminal 10 is unfolded, the first elastic member 321 is in a compressed state. During the folding process of the folding mobile terminal 10, the elastic potential energy of the first elastic member 321 is released to push the first sliding bar 322 to move in the first sliding slot 211, and further push the cover plate 310 to move away from the bendable region 410 of the flexible display 40 through the first sliding bar 322. The first elastic member 321 is compressed again during the folding of the folder-type mobile terminal 10. In an embodiment, the second elastic element 327 is a spring or an elastic column, and the structure of the second elastic element 327 may be the same as the structure of the first elastic element 321, and the description thereof is omitted. It is understood that the structure of the first sliding bar 322 may be the same as that of the second sliding bar 326, and the first sliding bar 322 and the second sliding bar 326 are disposed at two sides of the worm wheel 324 in an axisymmetrical manner; the first worm 323 may have the same structure as the second worm 325, and the first worm 323 and the second worm 325 are disposed on both sides of the worm wheel 324 in an axisymmetric manner. The structure enables the forces on both sides of the worm wheel 324 to be axisymmetrically distributed about the worm wheel 324 during the unfolding and folding processes of the folding mobile terminal 10, which is beneficial to realize the stable unfolding and folding of the folding mobile terminal 10.

Referring to fig. 7, the first housing 210 includes a first top plate 213 and a third elastic member 215, the second housing 220 includes a second top plate 223 and a fourth elastic member 225, the first top plate 213 is rotatably coupled to the first housing 210, the second top plate 223 is rotatably coupled to the second housing 220, the third elastic member 215 is coupled to the first top plate 213 and the first housing 210, respectively, and the fourth elastic member 225 is coupled to the second top plate 223 and the second housing 220, respectively. During the unfolding and folding of the folder-type mobile terminal 10, the third elastic element 215 can enable the first top board 213 to abut against the bendable region 410, and the fourth elastic element 225 can enable the second top board 223 to abut against the bendable region 410. Further, the first top plate 213 has a substantially rectangular thin plate shape, the second top plate 223 has a substantially rectangular thin plate shape, and when the folding mobile terminal 10 is unfolded, a side of the first top plate 213 facing the bendable region 410 is flush with a side of the second top plate 223 facing the bendable region 410. With the above arrangement, the bendable region 410 can be kept flat after being unfolded by the supporting function of the first top plate 213 and the second top plate 223 on the bendable region 410, so as to prevent the bendable region 410 from generating an uneven region.

In the embodiment shown in fig. 7, the third elastic member 215 is a torsion spring having two free ends. One of the first housing 210 and the first top plate 213 is provided with a rotation shaft, and the other is provided with a shaft hole, and the rotation shaft is rotatably provided in the shaft hole to rotatably connect the first top plate 213 with the first housing 210. The torsion spring is sleeved on the rotation shaft, one free end of the torsion spring is connected with the first top plate 213 and is fixed and unchangeable relative to the position of the first top plate 213, and the other free end of the torsion spring is connected with the first shell 210 and is fixed and unchangeable relative to the position of the first shell 210. When the foldable mobile terminal 10 is unfolded, the torsion spring exerts a pre-tightening force on the first top plate 213, so that the first top plate 213 abuts against and supports the bendable region 410. The torsion spring can keep the first top plate 213 in contact with the bendable region 410 during the folding and unfolding of the folder type mobile terminal 10 to effectively support the bendable region 410. It is understood that the structure and action principle of the fourth elastic element 225 may be the same as those of the third elastic element 215, and the description thereof is omitted.

In other embodiments, the third elastic member 215 may be a spring or an elastic column, one end of the third elastic member 215 is connected to the first housing 210, and the other end of the third elastic member 215 is connected to a side of the first top plate 213 facing away from the bendable region 410. When the foldable mobile terminal 10 is unfolded, the spring or the elastic column is in a compressed state, and a pre-tightening force can be generated on the first top plate 213, so that the first top plate 213 abuts against and supports the bendable region 410. The torsion spring can keep the first top plate 213 in contact with the bendable region 410 during the folding and unfolding of the folder type mobile terminal 10 to effectively support the bendable region 410. It is understood that the fourth elastic member 225 may also be a spring or an elastic column, and the structure and action principle thereof are the same as those of the third elastic member 215, and thus the description thereof is omitted.

Referring to fig. 13 and 14, in an embodiment, the cover plate 310 includes a bottom wall 311, and a first sidewall 313 and a second sidewall 315 extending from two opposite edges of the bottom wall 311, and the first sidewall 313, the second sidewall 315 and the bottom wall 311 are enclosed to form a groove 317, referring to fig. 12, when the foldable mobile terminal 10 is unfolded, a side of the first top plate 213 facing away from the bendable region 410 abuts against the first sidewall 313, and a side of the second top plate 223 facing away from the bendable region 410 abuts against the second sidewall 315. The above structure can support the first top plate 213 by the first sidewall 313 and support the second top plate 223 by the second sidewall 315, which is beneficial to the reliable positioning of the first top plate 213 and the second top plate 223. When the folder type mobile terminal 10 is closed, referring to fig. 10, the end of the first top plate 213 is received in the groove 317 and abuts against the first sidewall 313, the end of the second top plate 223 is received in the groove 317 and abuts against the second sidewall 315, and the first top plate 213, the first sidewall 313, the bottom wall 311, the second sidewall 315 and the second top plate 223 define a receiving space. The above arrangement can limit the first top plate 213 by the first side wall 313 and limit the second top plate 223 by the second side wall 315, so that the rotation range of the first top plate 213 and the second top plate 223 can be limited to prevent the first top plate 213 and the second top plate 223 from interfering with other components inside the folding mobile terminal 10 during the rotation process.

Referring to fig. 12, in an embodiment, the first housing 210 has a first sinking groove 217, the second housing 220 has a second sinking groove 227, and the cover plate 310 is slidably disposed in the first sinking groove 217 and the second sinking groove 227. When the foldable mobile terminal 10 is unfolded, the bottom wall 311 is received in the first sinking groove 217 and the second sinking groove 227, and the bottom wall 311 is hidden in the housing assembly 20 by the first housing 210 and the second housing 220. Referring to fig. 10, when the foldable mobile terminal 10 is folded, a portion of the first sidewall 313 is received in the first sinking groove 217, a portion of the second sidewall 315 is received in the second sinking groove 227, and another portion of the first sidewall 313, another portion of the second sidewall 315 and the bottom wall 311 are exposed from the housing assembly 20. With the above structure, the cover plate 310 can slide in the first sliding groove 211 and the second sliding groove 221, which facilitates the movement and the position limitation of the cover plate 310 on the housing assembly 20. Further, referring to fig. 9 and 10, the first housing 210 may include a first left end surface 218 and a first right end surface 219 that are opposite to each other, and the first sinking groove 217 extends through the first right end surface 219. The second housing 220 includes a second left end surface 228 and a second right end surface 229 that are opposite to each other, and the second sinking groove 227 penetrates through the second left end surface 228. Referring to fig. 12, when the folder-type mobile terminal 10 is unfolded, the first right end 219 abuts against the first left end 218. The above structure enables the folder type mobile terminal 10 to have a better appearance when unfolded and folded.

Referring to fig. 15 and 16, the first slide bar 322 may include a sliding portion 3221, a connecting portion 3223 and a rotating portion 3225 which are integrally formed, the sliding portion 3221 and the rotating portion 3225 are respectively connected to two ends of the connecting portion 3223, and referring to fig. 7, the rotating portion 3225 is connected to the first worm 323, the sliding portion 3221 is connected to the first elastic member 321, and the sliding portion 3221 and the connecting portion 3223 are slidably disposed in the first sliding groove 211. Referring to fig. 6, the first housing 210 is provided with a boss 212, the boss 212 is protruded into the first sliding groove 211, and when the sliding portion 3221 slides in the first sliding groove 211, the boss 212 can abut against the sliding portion 3221 to limit the sliding range of the sliding portion 3221. It is understood that the structure of the second sliding rod 326 may be the same as that of the first sliding rod 322, and the second sliding slot 221 may also be provided with a boss 212 for limiting the moving range of the second sliding rod 326, which is not described herein again.

Further, referring to fig. 5 and 6, the first housing 210 may include a baffle 214, and the baffle 214 is covered on the first sliding groove 211 and detachably connected to the first housing 210. The detachable connection may be in various manners, for example, the baffle 214 may be detachably connected to the first housing 210 by a screw structure, and the baffle 214 may also be detachably connected to the first housing 210 by a snap-fit manner. The baffle 214 is covered on the first sliding slot 211, and can limit the first sliding rod 322 and the first elastic element 321, so as to prevent the first sliding rod 322 and the first elastic element 321 from coming out of the first sliding slot 211 during the unfolding and folding processes of the folding mobile terminal 10. It is understood that the second sliding groove 221 may also be covered with a baffle 214 to limit the second sliding rod 326 and the second elastic member 327, which is not described herein again.

Referring to fig. 16, the inching assembly includes a stop member 3287, the stop member 3287 is fixed to the cover plate 310, and the fifth elastic member is located between the stop member and the first shaft sleeve. The first shaft sleeve 3281 has a first end 3284 and a second end 3289 opposite to each other, the first protrusion 3282 is located at the first end 3284, the stop member 3287 is provided with a positioning groove 3288, one end of the fifth elastic member 3283 abuts against the second end 3289, and the other end of the fifth elastic member 3283 is accommodated in the positioning groove 3288 and abuts against the stop member 3287. The above arrangement facilitates assembly and disassembly of the first boss 3281, the first worm 323, and the stopper 3287. It is understood that the position of the stop member 3287 corresponding to the sixth elastic member 3293 can also be provided with the same structure as the positioning groove 3288, so as to facilitate the assembly and disassembly of the second shaft sleeve 3291, the second worm 325 and the stop member 3287, which will not be described herein again. In one embodiment, the number of the folding members 320 is two, wherein one folding member 320 is connected to one end of the cover plate 310, and the other folding member 320 is connected to the other end of the cover plate 310. The above-described structure enables the folding mobile terminal 10 to be smoothly unfolded and folded. It is understood that the number of the folding assemblies 320 may be more than the third group, and will not be described herein.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A folder-type mobile terminal, comprising:

the shell assembly comprises a first shell, a second shell, a first top plate and a first elastic piece, wherein the first top plate can rotate relative to the first shell, and the first elastic piece is connected with the first top plate and the first shell respectively;

the clamping component comprises a first shaft sleeve, a fifth elastic piece and a clamping piece, the first shaft sleeve and the clamping piece are respectively sleeved on the first rotating rod, and the first shaft sleeve can slide along the extending direction of the rotating axis of the first rotating rod; the fifth elastic piece is connected with the first rotating rod and the first shaft sleeve so that the first shaft sleeve can slide and stretch along the axial direction of the first rotating rod; a plurality of first clamping grooves are formed in the clamping piece along the circumferential direction of the rotating axis of the first rotating rod, a first protrusion is arranged on the first shaft sleeve, and the first protrusion can be clamped in the first clamping grooves; when the first rotating rod rotates, the first shaft sleeve rotates along with the first rotating rod, so that the first shaft sleeve can rotate relative to the clamping piece, and the first protrusion can slide out of one first clamping groove and enter the other first clamping groove under the action of the fifth elastic piece; and

the flexible display screen is covered on the first shell and the second shell; when the folding mobile terminal is folded, the flexible display screen is hidden between the first shell and the second shell, and the first elastic piece enables the first top plate to abut against the bendable area of the flexible display screen in the unfolding and folding processes of the folding mobile terminal.

2. The folder-type mobile terminal according to claim 1, wherein the latching assembly includes a second sleeve and a sixth elastic member, the latching member is further sleeved on the second rotating rod, the second sleeve is slidably connected with the second rotating rod, and the sixth elastic member connects the second rotating rod and the second sleeve, so that the second sleeve can slidably extend and retract along an extending direction of a rotating axis of the second rotating rod; a plurality of second clamping grooves are formed in the clamping piece along the circumferential direction of the rotating axis of the second rotating rod, a second protrusion is arranged on the second shaft sleeve, and the second protrusion can be clamped in the second clamping grooves;

3. The folder-type mobile terminal according to claim 1, wherein the first card slots are uniformly distributed along a circumferential direction of the rotation axis of the first rotating lever, and a central angle between adjacent two of the first card slots is less than or equal to 15 °.

4. The folder-type mobile terminal of any one of claims 1-3, wherein the folder assembly comprises a worm gear, the first rotating bar is a first worm, the second rotating bar is a second worm, the worm gear is engaged with the first worm and the second worm, respectively, the first housing can drive the first worm to rotate, the first worm can drive the worm gear to rotate, the worm gear can drive the second worm to rotate, and the second worm can drive the second housing to turn during the folding of the folder-type mobile terminal.

5. The folder-type mobile terminal according to claim 4, wherein the housing assembly includes a second top plate and a second resilient member, the second top plate being rotatable with respect to the second housing, the second resilient member being connected to the second top plate and the second housing, respectively; the second elastic piece can enable the second top plate to abut against the bendable region in the process of unfolding and folding the folding mobile terminal.

6. The folding mobile terminal of claim 5, wherein a side of the first housing facing the flexible display screen is opened with a first sliding slot, and a side of the second housing facing the flexible display screen is opened with a second sliding slot; the folding mechanism comprises a cover plate, the folding assembly comprises a third elastic piece, a first sliding rod, a second sliding rod and a fourth elastic piece, the third elastic piece is respectively connected with one end of the first sliding rod and the first shell, the first sliding rod is slidably arranged in the first sliding groove, the other end of the first sliding rod is sleeved with the first worm, and the first worm is rotatably connected with the cover plate; the fourth elastic piece is respectively connected with one end of the second sliding rod and the second shell, the second sliding rod is slidably arranged in the second sliding groove, one end of the second sliding rod is sleeved on the second worm, and the second worm is rotatably connected with the cover plate;

7. The folding mobile terminal of claim 6, wherein the housing assembly comprises a first bezel that covers the first slot and is detachably connected to the first housing, and a second bezel that covers the second slot and is detachably connected to the second housing.

8. The folder-type mobile terminal according to claim 7, wherein the first bezel comprises a first body portion and a first hinge, the first body portion and the first housing are screwed together, a first shaft hole is formed at a distal end of the first top plate, and the first hinge is rotatably disposed in the first shaft hole to allow the first top plate to rotate around the first bezel;

9. The folding mobile terminal of claim 6, wherein the morton assembly comprises a stop member fixed to the cover plate, and the fifth resilient member is disposed between the stop member and the first sleeve.

10. The folding mobile terminal of claim 9, wherein said first sleeve has a first end and a second end opposite each other, said first protrusion being located at said first end; the stopping member is provided with a positioning groove, the fifth elastic member is a spring, one end of the spring abuts against the second end, and the other end of the fifth elastic member is accommodated in the positioning groove and abuts against the stopping member.

11. The folder-type mobile terminal of claim 6, wherein a side of the first top panel facing the bendable region is flush with a side of the second top panel facing the bendable region when the folder-type mobile terminal is unfolded.

12. The folding mobile terminal of claim 6, wherein said cover comprises a bottom wall, and a first side wall and a second side wall extending from two opposite edges of said bottom wall, and said first side wall, said second side wall and said bottom wall define a recess; when the folding mobile terminal is unfolded, the first side wall is abutted with the first top plate, and the second side wall is abutted with the second top plate; when the folding mobile terminal is folded, the tail end of the first top plate is accommodated in the groove and abutted against the first side wall, and the tail end of the second top plate is accommodated in the groove and abutted against the second side wall.

13. The foldable mobile terminal of claim 12, wherein the first housing defines a first sinking groove, the second housing defines a second sinking groove, and the cover is slidably disposed in the first sinking groove and the second sinking groove; when the foldable mobile terminal is unfolded, the bottom wall is accommodated in the first sinking groove and the second sinking groove, and the bottom wall is hidden in the housing assembly by the first housing and the second housing; when the folding mobile terminal is folded, a part of the first side wall is accommodated in the first sinking groove, a part of the second side wall is accommodated in the second sinking groove, and the other part of the first side wall, the other part of the second side wall and the bottom wall are exposed out of the shell assembly.