CN111583797B

CN111583797B - Folding screen assembly and electronic equipment

Info

Publication number: CN111583797B
Application number: CN202010405442.XA
Authority: CN
Inventors: 田竞
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2022-05-17
Anticipated expiration: 2040-05-14
Also published as: CN111583797A

Abstract

The present application relates to a folding screen assembly and an electronic device, the electronic device including: the shell is provided with an accommodating groove, and a bracket with a channel is arranged in the accommodating groove; the first winding mechanism comprises a first rotating shaft and a flexible assembly, the first rotating shaft is arranged in the accommodating groove, the flexible assembly comprises a flexible screen and a supporting piece, the flexible screen is attached to the supporting piece, the supporting piece has a winding and folding property, and the flexible assembly is wound on the first rotating shaft; the second winding mechanism comprises a second rotating shaft and an elastic belt, the second rotating shaft is arranged in the accommodating groove, the elastic belt is wound on the second rotating shaft, and the elastic belt penetrates through the channel through torsion and maintains the twisted shape to form a supporting part; the first rotating shaft can rotate to drive the flexible assembly to stretch out the containing groove, the second rotating shaft can rotate to drive the supporting part to stretch out the containing groove, and when the supporting part and the flexible assembly stretch out the containing groove, the supporting part can generate elastic force for resisting the flexible assembly to be rolled and folded, and the flexible screen is kept flat. This application can avoid the flexible assembly to stretch out the phenomenon that appears buckling behind the accepting groove.

Description

Folding screen assembly and electronic equipment

Technical Field

The application relates to the technical field of display screens, in particular to a folding screen assembly and an electronic device.

Background

Flexible screens have gained significant development in recent years as an application technology for OLEDs. Compared with a rigid screen, the flexible screen has remarkable advantages, such as the flexible screen is lighter and thinner in volume and lower in power consumption, and the flexible screen has the characteristics of being bendable, good in flexibility and the like, so that the application scenes of the flexible screen are more and more extensive, for example, the flexible screen can be applied to a folding screen, and the folding screen can be bent and wound more easily. However, when the flexible screen in the winding form is unfolded for use, the local area of the flexible screen is insufficient in rigidity, so that the bending phenomenon is easy to generate, and the use experience of a user is reduced.

Disclosure of Invention

The application discloses folding screen sub-assembly and electronic equipment to solve flexible screen and because of local area rigidity is not enough when expanding the use, easily produce the phenomenon of buckling, reduce the technical problem that the user used experience.

An electronic device, comprising:

the shell is provided with an accommodating groove, a support is arranged in the accommodating groove, and the support is provided with a channel;

the first winding mechanism comprises a first rotating shaft and a flexible assembly, the first rotating shaft is arranged in the accommodating groove, the flexible assembly comprises a flexible screen and a supporting piece, the flexible screen is attached to the supporting piece, the supporting piece is used for supporting the flexible screen and has a winding and folding property, and the flexible assembly is wound on the first rotating shaft; and

the second winding mechanism comprises a second rotating shaft and an elastic belt, the second rotating shaft is arranged in the accommodating groove, the elastic belt is wound on the second rotating shaft, and one end, far away from the second rotating shaft, of the elastic belt penetrates through the channel through torsion and maintains the twisted shape to form a supporting part; wherein, first pivot can rotate in order to drive flexible assembly stretches out the accepting groove, the second pivot can rotate in order to drive the supporting part stretches out the accepting groove, works as the supporting part with flexible assembly stretches out during the accepting groove, the supporting part can produce the opposition flexible assembly book elasticity of rolling over, in order to keep the exhibition of flexible screen is flat.

In one embodiment, the flexible screen is further from the first shaft relative to the support in a same-turn configuration in which the flexible member is wrapped around the first shaft.

In one embodiment, the support member comprises a plurality of support units arranged along the winding direction of the flexible assembly, and two adjacent support units are flexibly connected in a winding manner.

In one embodiment, the shape of the figure of the supporting unit sectioned by the reference surface is a trapezoid, the reference surface is a plane perpendicular to the extending direction of the first rotating shaft, and the upper bottom of the trapezoid is located on the side of the supporting unit away from the flexible screen.

In one embodiment, the supporting member forms a through groove penetrating through the supporting unit at each supporting unit, the through groove extends along the arrangement direction of the supporting units, and the through groove forms an opening at one side of the supporting unit away from the flexible screen; when the supporting part and the flexible assembly extend out of the accommodating groove, the supporting part is inserted into the through groove.

In one embodiment, the through slot comprises a first hole close to the flexible screen and a second hole far from the flexible screen, the second hole is communicated with the first hole and forms the opening on the side of the supporting unit far from the flexible screen; the elastic belt comprises a main body part and a protruding part, the edge of the main body part is connected with the edge of the protruding part, the main body part and the protruding part wound in the elastic belt of the second rotating shaft are arranged along the extending direction of the second rotating shaft, and the protruding part in the support part formed by twisting is close to the support part relative to the main body part; when the supporting part and the flexible assembly extend out of the accommodating groove, the protruding part positioned on the supporting part can be clamped in the first hole in a shape matched with the first hole, and the main body part positioned on the supporting part can be accommodated in the second hole in a shape matched with the second hole.

In one embodiment, the supporting member includes a locking unit, the locking unit is located at one end of the supporting units away from the first rotating shaft, and the end of the supporting portion away from the second rotating shaft is fixedly connected with the locking unit.

In one embodiment, the locking unit is provided with a groove, the groove is communicated with the through groove of the adjacent supporting unit, a clamping groove is formed in the bottom of the groove, a clamping block is arranged at a part of the supporting part fixedly connected with the locking unit, a part of the supporting part fixedly connected with the locking unit is inserted into the groove, and the clamping block is clamped in the clamping groove.

In one embodiment, the bracket has an overlapping surface, the channel is formed on one side of the bracket away from the overlapping surface, and the shell has a bearing surface positioned in the accommodating groove; the flexible assembly is lapped on the lapping surface, the locking unit is borne on the bearing surface, one end, far away from the second rotating shaft, of the elastic belt penetrates through the channel through torsion, and therefore the end, far away from the second rotating shaft, of the supporting portion is fixedly connected with the locking unit.

In one embodiment, the electronic device includes a roller disposed in the receiving slot, and when the locking unit extends out of the receiving slot from the bearing surface, a clamping force between the roller and the bearing surface can buckle the supporting member and the supporting portion with each other, so that the supporting portion is inserted into the through slot.

In one embodiment, the locking unit is provided with a limiting protrusion, and when the supporting portion and the flexible component are rolled back into the accommodating groove, the limiting protrusion is clamped on the shell to limit the supporting portion and the flexible component from being excessively rolled back into the accommodating groove.

In one embodiment, when the support portion and the flexible member are rolled back into the housing, an outer surface of the locking unit is flush with an outer surface of the housing.

In one embodiment, the second rotating shaft is spaced from the first rotating shaft, and the second rotating shaft is closer to the notch of the accommodating groove relative to the first rotating shaft.

In one embodiment, the second rotating shaft is located in the first rotating shaft, and the extending direction of the first rotating shaft is parallel to the extending direction of the second rotating shaft.

In one embodiment, the extending direction of the first rotating shaft is parallel to the extending direction of the second rotating shaft, and one end of the elastic band, which is far away from the second rotating shaft, is twisted by 90 degrees to penetrate through the channel and maintain the twisted shape to form the supporting part.

In one embodiment, the number of the second winding mechanisms is two and is equal to the number of the channels, and two support portions formed in the two second winding mechanisms are respectively connected to two opposite sides of the support member.

In one embodiment, the electronic device includes a display screen attached to an outer surface of the housing.

In one embodiment, the electronic device includes a ratchet mechanism disposed in the receiving slot, and the ratchet mechanism is configured to maintain unidirectional fixation of the flexible component and the elastic band when entering and exiting the receiving slot.

A folding screen assembly for mounting in a receiving slot of an electronic device, the receiving slot having a bracket disposed therein, the bracket having a passageway, the folding screen assembly comprising:

the first winding mechanism comprises a first rotating shaft and a flexible assembly, the flexible assembly comprises a flexible screen and a supporting piece, the flexible screen is attached to the supporting piece, the supporting piece is used for supporting the flexible screen and has a winding and folding property, and the flexible assembly is wound on the first rotating shaft; and

the second winding mechanism comprises a second rotating shaft and an elastic belt, and the elastic belt is wound on the second rotating shaft;

wherein, the elastic band is kept away from the one end of second pivot is used for wearing to locate through twisting the passageway and can maintain the form after twisting and form the supporting part, so that first pivot can drive through rotating the flexible subassembly stretches out the accepting groove, and make the second pivot can drive through rotating the supporting part stretches out the accepting groove, works as the supporting part with the flexible subassembly stretches out when the accepting groove, the supporting part can produce and resist the elasticity that the flexible subassembly was rolled over, in order to keep the exhibition of flexible screen is flat.

In one embodiment, the flexible screen is further from the first shaft relative to the support in a same-turn configuration in which the flexible assembly is wrapped around the first shaft.

In one embodiment, the supporting member forms a through groove penetrating through the supporting unit at each supporting unit, the through groove extends along the arrangement direction of the supporting units, and the through groove forms an opening at one side of the supporting unit away from the flexible screen; when the elastic band and the flexible member are extended, the support portion formed by twisting can be inserted into the through groove.

In one embodiment, the through slot comprises a first hole close to the flexible screen and a second hole far from the flexible screen, the second hole is communicated with the first hole and forms the opening on the side of the supporting unit far from the flexible screen; the elastic band comprises a main body part and a protruding part, the edge of the main body part is connected with the edge of the protruding part, the main body part and the protruding part in the elastic band wound on the second rotating shaft are arranged along the extending direction of the second rotating shaft, the protruding part in the supporting part formed by twisting can be matched with the shape of the first hole and clamped in the first hole, and the main body part in the supporting part formed by twisting can be matched with the shape of the second hole and contained in the second hole.

In one embodiment, the supporting member comprises a locking unit, the locking unit is located at one end of the plurality of supporting units far away from the first rotating shaft, and one end of the elastic belt far away from the second rotating shaft is fixedly connected with the locking unit; the protrusion in the portion of the elastic band fixedly connected with the locking unit is closer to the flexible screen than the main body portion.

In one embodiment, the locking unit is provided with a groove, the groove is communicated with the through groove of the adjacent supporting unit, a clamping groove is formed in the bottom of the groove, a clamping block is arranged at the part of the elastic belt connected with the locking unit, the part of the elastic belt connected with the locking unit is inserted into the groove, and the clamping block is clamped in the clamping groove.

In one embodiment, the number of the second rolling mechanisms is two, and the second rolling mechanisms are positioned on two opposite sides of the first rolling mechanism.

The application provides a folding screen sub-assembly and electronic equipment has following beneficial effect: because the one end that the second pivot was kept away from to the elastic webbing is worn to locate the passageway and is maintained the form after the torsion and form the supporting part to when the accepting groove was stretched out to flexible subassembly and supporting part, the supporting part can produce the elasticity of countering the flexible subassembly book and roll over, so the flexible screen can keep the state of flattening under the supporting role of supporting part, the phenomenon of buckling appears after avoiding flexible subassembly to stretch out the accepting groove. In addition, because the flexible screen is connected with the supporting piece, the unfolded part of the flexible screen can be supported by a straight and stable structure through the supporting piece, and the supporting piece also has the rolling and folding property, so that the supporting piece with the rolling and folding property can also ensure the rolling property of the flexible component, and when the flexible screen is not required to be used, the flexible component can be rolled in the first rotating shaft and retracted into the accommodating groove, so that the hidden purpose is achieved.

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 schematic structural diagram of an electronic device according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural view of the stent of FIG. 2;

FIG. 4 is a schematic view of the flexible member and the elastic band of FIG. 1 after they extend out of the receiving slot;

FIG. 5 is a schematic view of the structure of the elastic band of FIG. 4;

FIG. 6 is a schematic structural diagram of the supporting unit in FIG. 4;

FIG. 7 is an enlarged view of the structure at B in FIG. 6;

FIG. 8 is a schematic view of the locking unit shown in FIG. 2;

FIG. 9 is a schematic sectional view taken along line II-II in FIG. 8;

FIG. 10 is a schematic view of the connection between the first shaft and the second shaft in FIG. 2;

FIG. 11 is a schematic view of the flexible member and the elastic band extending out of the receiving slot according to one embodiment.

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.

Referring to fig. 1 and 2, the electronic device 10 will be described with reference to a smartphone as an example. Those skilled in the art will readily understand that the electronic device 10 of the present application may be any device having communication and storage functions, such as a smart terminal, for example, a smart phone, a tablet computer, a notebook computer, a mobile phone, a video phone, a digital still camera, an electronic book reader, a Portable Multimedia Player (PMP), a mobile medical device, etc., and the representation of the electronic device 10 is not limited herein. Of course, wearable devices such as smartwatches are also applicable to the electronic device 10 according to the embodiments of the present application.

The electronic device 10 includes a housing 100, a first winding mechanism 200, and a second winding mechanism 300.

The housing 100 has a receiving groove 101. In one embodiment, the housing 100 includes a front surface 110, a rear surface 120, and a side surface 130 connecting the front surface 110 and the rear surface 120, and the receiving groove 101 is opened at the side surface 130. In other embodiments, the receiving groove 101 may also be opened on the rear surface 120, and the present application does not limit the location of the receiving groove 101. The receiving groove 101 is provided with a bracket 140 therein, and as shown in fig. 3, the bracket 140 has a passage 1401. In one embodiment, the bracket 140 includes a housing 141 and a protrusion 142 connected to the housing 141, and the channel 1401 is formed on the protrusion 142 and extends along a width direction of the bracket 140. When the holder 140 is mounted in the receiving groove 101, the opposite sides of the housing 141 in the longitudinal direction are securely connected to the housing 100, and the width direction of the housing 141 is consistent with the extending direction of the receiving groove 101. The side of the housing 141 facing away from the protrusion 142 is a landing surface 1411. Fig. 3 illustrates that the number of the protrusions 142 is two and the protrusions are respectively located at two opposite sides of the housing 141, and the number of the protrusions 142 may also be one.

The first winding mechanism 200 includes a first rotating shaft 210 and a flexible assembly 220. Referring to fig. 2, the first rotating shaft 210 is disposed in the receiving groove 101, and an extending direction of the first rotating shaft 210 may be parallel to a length extending direction of the bracket 140. The flexible component 220 is wound around the first rotating shaft 210, and the first rotating shaft 210 can rotate to drive the flexible component 220 to extend out of the accommodating groove 101. For example, the first rotating shaft 210 can be driven to rotate by a motor, or a user can manually drive the first rotating shaft 210 to rotate.

In an embodiment, the flexible assembly 220 includes a flexible screen 221 and a support 222, the flexible screen 221 may be, for example, an OLED (organic electroluminescent) display panel, and the flexible screen 221 is stacked on the support 222, for example, in an embodiment, the flexible screen 221 is adhered to the support 222 through a soft adhesive layer, the soft adhesive layer may be a double-sided adhesive material, and the soft adhesive layer has a certain buffering effect and can eliminate unevenness of the surface of the support 222. When the flexible member 220 is wound around the first rotating shaft 210, the flexible screen 221 is farther away from the first rotating shaft 210 relative to the support member 222 in the same winding structure where the flexible member 220 is wound around the first rotating shaft 210. The "same-turn structure" is a structure formed by winding the flexible member 220 around the first rotating shaft 210. In other embodiments, the flexible screen 221 may be closer to the first rotating shaft 210 than the supporting member 222, and the flexible screen 221 is wrapped around the first rotating shaft 210 by the supporting member 222, so that there is a risk of being easily damaged and broken by clamping.

The supporting member 222 is used for supporting the flexible panel 221 to ensure the structural strength of the flexible panel 221, and meanwhile, in order to ensure that the flexible assembly 220 can be wound around the first rotating shaft 210, the supporting member 222 is also foldable. In an embodiment, the support member 222 includes a plurality of support units 2221 arranged along the winding direction of the flexible assembly 220, and two adjacent support units 2221 are flexibly connected in a winding manner. In this way, the support unit 2221 can support the flexible panel 221 when the flexible panel 221 is extended out of the receiving groove 101, and the support unit 2221 cannot prevent the flexible panel 221 from being folded when the flexible panel 221 is rolled into the receiving groove 101. In one embodiment, the shape of the support unit 2221 taken by the reference plane is a trapezoid, the reference plane is a plane perpendicular to the extending direction of the first rotating shaft 210, and the upper bottom of the trapezoid is located on the side of the support unit 2221 far from the flexible screen 221, so as to ensure that the support units 2221 do not interfere with each other when the flexible assembly 220 is in the winding state. The material of the support unit 2221 may be a hard material having a certain strength, such as metal, hard plastic, composite material, and the like.

The second winding mechanism 300 includes a second rotating shaft 310 and an elastic band 320. The second shaft 310 is disposed in the receiving slot 101, the elastic band 320 is wound around the second shaft 310, one end of the elastic band 320, which is away from the second shaft 310, is twisted to pass through the passage 1401 and maintain the twisted shape to form a supporting portion 320a, and the second shaft 310 can rotate to drive the supporting portion 320a to extend out of the receiving slot 101. Referring to fig. 4, when the flexible component 220 and the supporting portion 320a are driven by the first rotating shaft 210 and the second rotating shaft 310 to extend out of the accommodating slot 101, the supporting portion 320a can generate an elastic force to resist the flexible component 220 from being folded, so as to keep the flexible screen 221 flat.

In an embodiment, referring to fig. 5, the elastic band 320 includes a main body 321 and a protrusion 322, an edge of the main body 321 is connected to an edge of the protrusion 322, and an end of the elastic band 320 away from the second rotating shaft 310 is twisted to be inserted into the channel 1401, so that a portion of the elastic band 320 inserted into the channel 1401 forms a supporting portion 320 a. The main body 321 and the protrusion 322 of the elastic band 320 wound around the second rotating shaft 310 are arranged along the extending direction of the second rotating shaft 310, and the protrusion 322 of the twisted supporting portion 320a is close to the support 222 relative to the main body 321. In an embodiment, the extending direction of the second rotating shaft 310 is parallel to the extending direction of the first rotating shaft 210, and at this time, one end of the elastic band 320 far away from the second rotating shaft 310 may be twisted by 90 ° to be inserted into the channel 1401 to form the supporting portion 320 a. In other embodiments, when the extending direction of the first rotating shaft 210 forms an included angle with the extending direction of the second rotating shaft 320, one end of the elastic band 320 away from the second rotating shaft 310 may be twisted by an angle smaller than 90 degrees to form the supporting portion 320 a. Since the support portion 320a is formed to generate an elastic force against the rolling of the flexible assembly 220, it can be understood that the elastic band 320 of the present application has a strong bending resistance in the arrangement direction of the main body portion 321 and the protrusion portion 322, so as to keep the flexible screen 221 flat by twisting the support portion 320a formed by the elastic band 320. And the elastic band 320 is flexible in the extending direction of the elastic band 320, so that a part of the structure of the elastic band 320 before twisting can be ensured to be wound around the second rotating shaft 320.

In an embodiment, fig. 6 and 7 schematically illustrate one support unit 2221, the support member 222 forms a through slot 2222 penetrating the support unit 2221 in each support unit 2221, the through slot 2222 extends along the arrangement direction of the plurality of support units 2222, and the through slot 2222 forms an opening 2223 in a side of the support unit 2221 away from the flexible screen 221. When the supporting portion 320a and the flexible assembly 220 are extended out of the receiving slot 101, the supporting portion 320a is inserted into the through slot 2222 through the opening 2223, so as to further enhance the stability of the flexible screen 221 after being unfolded.

In an embodiment, the through slot 2222 includes a first hole 2224 near the flexible screen 211 and a second hole 2225 far from the flexible screen 211, and the second hole 2225 communicates with the first hole 2224 and forms the opening 2223 at a side of the support unit 2221 far from the flexible screen 211. When the supporting portion 320a and the flexible component 220 extend out of the receiving slot 101, the protrusion 322 located on the supporting portion 320a can be engaged with the first hole 2224 in a shape matching with the first hole 2224, and the main body 321 located on the supporting portion 320a can be received in the second hole 2225 in a shape matching with the second hole 2225. It is understood that, in this case, the shape of the figure of the elastic band 320 taken by the plane parallel to the second rotation axis 310 may be, but is not limited to, an arrow shape, an i-shape, etc.

In an embodiment, referring to fig. 2, 8 and 9, the support 222 includes a locking unit 223, the locking unit 223 is located at one end of the plurality of support units 2221 away from the first rotating shaft 210, and the end of the support portion 320a away from the second rotating shaft 310 is fixedly connected to the locking unit 223. Thus, the flexible component 220 and the elastic band 320 can be constrained to each other, and it is ensured that the flexible component 220 and the elastic band 320 are not completely wound around the first rotating shaft 210 and the second rotating shaft 310. In an embodiment, the locking unit 223 is provided with a groove 2231, the groove 2231 is communicated with the through groove 2222 of the adjacent supporting unit 2221, a slot 2232 is provided at a bottom of the groove 2231, a clamping block (not shown) is provided at a portion of the supporting portion 320a fixedly connected to the locking unit 223, a portion of the supporting portion 320a fixedly connected to the locking unit 223 is inserted into the groove 2231, and the clamping block is clamped in the slot 2232.

In an embodiment, referring to fig. 2 and 3, the housing 100 has a supporting surface 150 located in the receiving cavity 101, the flexible element 220 is overlapped on the overlapping surface 1411, and the locking unit 223 is supported on the supporting surface 150. One end of the elastic band 320 far away from the second rotating shaft 310 is twisted to pass through the channel 1401, so that the end of the formed supporting portion 320a far away from the second rotating shaft 310 is fixedly connected with the locking unit 223. The locking unit 223 can drive the supporting portion 320a and the supporting member 222 to extend out of the receiving cavity 101 from the supporting surface 150. In one embodiment, the overlapping surface 1411 has a curved surface 1412 adjacent to the opening of the receiving slot 101, the curved surface 1412 allows the supporting member 222 to smoothly move to the supporting surface 150 when the flexible member 220 extends out of the receiving slot 101, and the curved surface 1412 allows the supporting member 222 to smoothly roll back to the first rotating shaft 310 when the flexible member 220 rolls back to the receiving slot 101.

In an embodiment, referring to fig. 2, the electronic device 10 includes a roller 160 disposed in the receiving cavity 101, the locking unit 223 is disposed between the roller 160 and the supporting surface 150, when the locking unit 223 extends out of the receiving cavity 101 from the supporting surface 150, a clamping force between the roller 160 and the supporting surface 150 can buckle the supporting portion 222 and the supporting portion 320a to enable the supporting portion 320a to be inserted into the through groove 2222, and in addition, the roller 160 can reduce a friction force between the flexible screen 221 and the housing 100 to protect the flexible screen 221 and prolong a service life. In one embodiment, the outer surface of the roller 160 may be made of a soft material such as rubber or other composite materials to prevent relative movement between the roller 160 and the flexible screen 221.

In an embodiment, referring to fig. 2 and 8, the locking unit 223 is provided with a limiting protrusion 223a, and when the supporting portion 320a and the flexible component 220 are rolled back into the accommodating groove 101, the limiting protrusion 223a is clamped on the casing 100 to limit the supporting portion 320a and the flexible component 220 from being excessively rolled back into the accommodating groove 101. In one embodiment, the side surface 130 of the housing 100 is provided with a sunken groove 131, and the limiting protrusion 223a is clamped in the sunken groove 131 when the supporting portion 320a and the flexible component 220 are wound in the accommodating groove 101. As shown in fig. 2, when the supporting portion 320a and the flexible component 220 are rolled back to the receiving slot 101, the outer surface 223b of the locking unit 223 is flush with the side surface 130, that is, the outer surface 223b of the locking unit 223 is flush with the outer surface of the casing 100, so that the aesthetic appearance and integrity of the electronic device 10 can be maintained when the flexible screen 221 is not needed.

In an embodiment, referring to fig. 10, the second rotating shaft 310 is connected to the first rotating shaft 210, for example, the second rotating shaft 310 is located in the first rotating shaft 210, and the extending direction of the second rotating shaft 310 is parallel to the extending direction of the first rotating shaft 210. Synchronous rotation of the first rotating shaft 210 and the second rotating shaft 310 can be achieved, in which case the angular velocity of the first rotating shaft 210 is equal to the angular velocity of the second rotating shaft 310. For example, in the process of synchronously rotating the first rotating shaft 210 and the second rotating shaft 310 to extend the flexible assembly 220 and the elastic band 320, the extending lengths of the flexible assembly 220 and the elastic band 320 may be different due to the non-uniform thickness of the flexible assembly 220 and the elastic band 320, so that the thickness of the flexible assembly 220 should be equal to the thickness of the elastic band 320 in order to ensure the uniform extending length of the flexible assembly 220 and the extending length of the elastic band 320 under the condition of synchronously rotating the first rotating shaft 210 and the second rotating shaft 310. It should be noted that, when the second rotating shaft 310 is located in the first rotating shaft 210, the second rotating shaft 310 and the first rotating shaft 210 may still be driven by two motors, which is not limited to synchronous rotation.

In an embodiment, fig. 10 illustrates that the number of the second rotating shafts 310 is two, two second rotating shafts 310 are respectively located at two opposite sides of the first rotating shaft 210, the two second rotating shafts 310 can be respectively wound with the elastic bands 320, that is, the number of the second winding mechanisms 300 is two, and the number of the second winding mechanisms 300 corresponds to the number of the channels 1401. When the supporting portions 320a and the flexible component 220 extend out of the receiving slot 101, the two supporting portions 320a formed in the two second rolling mechanisms 300 are respectively connected to two opposite sides of the supporting member 222, so as to enhance the elastic force resisting the rolling of the flexible component 220 and ensure the flat state of the flexible screen 221.

Referring to fig. 11, in other embodiments, the second rotating shaft 310 is spaced apart from the first rotating shaft 210, the second rotating shaft 310 is closer to the notch of the accommodating cavity 101 relative to the first rotating shaft 210, at this time, the first rotating shaft 210 and the second rotating shaft 310 can be controlled separately, and the angular velocity of the first rotating shaft 210 and the angular velocity of the second rotating shaft 310 may be different as long as the extending length of the flexible component 220 is equal to the extending length of the elastic band 320. The second shaft 310 is disposed independently from the first shaft 210, so that the thickness of the elastic band 320 is reduced relative to the thickness of the flexible component 220 to avoid occupying the inner space of the electronic device 10 excessively.

In an embodiment, the electronic device 10 further includes a ratchet mechanism disposed in the receiving slot 101, and the ratchet mechanism is used for keeping the flexible component 220 and the elastic band 320 fixed in one direction when entering or exiting the receiving slot 101. In this way, by providing the ratchet mechanism, the position of the flexible screen 221 in any unfolded state (the accuracy depends on the number of the ratchets) is fixed without being curled, and the length of the flexible screen 221 extending out of the accommodating groove 101 in the unfolded state can be selected according to the use requirement of the user. In one embodiment, the ratchet mechanism includes a ratchet fixedly connected to one of the first rotating shaft 210 and the second rotating shaft 310 by a coil spring for providing a reverse rotational force to the ratchet when the first rotating shaft 210 is connected to the second rotating shaft 310 and can rotate synchronously, a pawl capable of engaging with a ratchet on the ratchet, so as to keep the flexible assembly 220 and the elastic band 320 fixed in one direction. When the pawl is disengaged from the ratchet teeth on the ratchet, the reverse rotational force provided by the coil spring can cause the first and

second shafts

210 and 310 to rotate in reverse, thereby allowing the flexible assembly 220 and the elastic band 320 to be wound and retracted. When the first rotating shaft 210 and the second rotating shaft 310 are independently arranged, the number of the ratchet mechanisms may be two, and the two ratchet mechanisms respectively correspond to the first rotating shaft 210 and the second rotating shaft 310 and are connected through a coil spring. Wherein the pawl may be exposed through the housing 100 for manual operation by a user.

In the electronic device 10 of the present application, since the end of the elastic band 320 far from the second rotating shaft 310 is twisted to pass through the channel 1401 and maintain the twisted form to form the supporting portion 320a, and when the flexible component 220 and the supporting portion 320a extend out of the accommodating slot 101, the supporting portion 320a can generate an elastic force to resist the rolling and folding of the flexible component 220, the flexible screen 221 can keep the flat state under the supporting effect of the supporting portion 320a, and the flexible component 220 is prevented from bending after extending out of the accommodating slot 101. In addition, because the flexible screen 221 is connected with the supporting member 222, the unfolded part of the flexible screen 221 can be supported by the supporting member 222 in a straight and stable structure, and the supporting member 222 also has a rolling property, so that the rolling property of the flexible assembly 220 can be ensured by the supporting member 222 with the rolling property, and when the flexible screen 221 is not needed, the flexible assembly 220 can be rolled in the first rotating shaft 210 and retracted into the accommodating groove 101, so as to achieve the purpose of hiding.

It should be noted that the first rolling mechanism 200 and the second rolling mechanism 300 of the present application can be combined to form a folding screen assembly, and can be separately manufactured, sold and used, when the folding screen assembly is not mounted in the receiving slot 101, the elastic band 320 can be maintained in a state of not being twisted to form the supporting portion 320a, and when the folding screen assembly is mounted in the receiving slot 101, the elastic band 320 can be twisted to pass through the passage 1401 to form the supporting portion 320 a.

In one embodiment, as shown with reference to FIG. 1, the electronic device 10 further includes a display screen 400, the display screen 400 being coupled to an outer surface of the housing 100, such as the display screen 400 being coupled to the front surface 110. Referring to fig. 4, when the flexible member 220 extends out of the receiving slot 101, the flexible screen 221 and the display screen 400 can cooperate. At this time, the flexible screen 221 may face the side of the display screen 400, that is, the display surface of the flexible screen 221 is located on the same side as the display surface of the display screen 400, and the user may view the contents displayed by the flexible screen 221 and the display screen 400 at the same time. It is understood that in other embodiments, when the flexible component 220 extends out of the receiving slot 101 and is unfolded, the flexible screen 221 may face away from the side of the display screen 400, that is, the display surface of the flexible screen 221 is opposite to the display surface of the display screen 400, and is available for two users to view.

In one embodiment, the Display screen 400 may be a Liquid Crystal Display (LCD) screen for displaying information, and the LCD screen may be a Thin Film Transistor (TFT) screen, an In-Plane Switching (IPS) screen, or a Liquid Crystal Display (SLCD) screen. In another embodiment, the display panel 400 may adopt an OLED (Organic Light-Emitting display) panel for displaying information, and the OLED panel may be an AMOLED (Active Matrix Organic Light-Emitting Diode) screen or a Super AMOLED (Super Active Matrix Organic Light-Emitting Diode) screen or a Super AMOLED Plus (Super Active Matrix Organic Light-Emitting Diode) screen, which will not be described herein again.

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. An electronic device, comprising:

the first winding mechanism comprises a first rotating shaft and a flexible assembly, the first rotating shaft is arranged in the accommodating groove, the flexible assembly comprises a flexible screen and a supporting piece, the flexible screen is attached to the supporting piece, the supporting piece is used for supporting the flexible screen and has a winding and folding property, and the flexible assembly is wound on the first rotating shaft; the supporting piece comprises a plurality of supporting units arranged along the winding direction of the flexible assembly, and a through groove penetrating through the supporting units is formed in each supporting unit; the through grooves extend along the arrangement direction of the plurality of supporting units; and

the second winding mechanism comprises a second rotating shaft and an elastic belt, the second rotating shaft is arranged in the accommodating groove, the elastic belt is wound on the second rotating shaft, the extending direction of the first rotating shaft is parallel to the extending direction of the second rotating shaft, and one end, far away from the second rotating shaft, of the elastic belt penetrates through the channel by being twisted for 90 degrees and maintains the twisted shape to form a supporting part; when the supporting part and the flexible component extend out of the accommodating groove, the supporting part is inserted into the through groove to generate elastic force resisting the rolling and folding of the flexible component so as to keep the flexible screen flat;

the elastic belt comprises a main body part and a protruding part, the edge of the main body part is connected with the edge of the protruding part, the main body part and the protruding part wound in the elastic belt of the second rotating shaft are arranged along the extending direction of the second rotating shaft, and the protruding part in the support part formed by twisting is close to the support part relative to the main body part; the through groove comprises a first hole close to the flexible screen and a second hole far away from the flexible screen, and the second hole is communicated with the first hole; when the supporting part and the flexible assembly extend out of the accommodating groove, the protruding part positioned on the supporting part can be clamped in the first hole in a shape matched with the first hole, and the main body part positioned on the supporting part can be accommodated in the second hole in a shape matched with the second hole.

2. The electronic device of claim 1, wherein the flexible screen is further from the first hinge relative to the support in a same-turn configuration in which the flexible assembly is wrapped around the first hinge.

3. The electronic device of claim 1, wherein adjacent two support units are flexibly connected in a foldable manner.

4. The electronic device of claim 3, wherein the shape of the figure of the supporting unit sectioned by the reference surface is a trapezoid, the reference surface is a plane perpendicular to the extending direction of the first rotating shaft, and the upper bottom of the trapezoid is located on the side of the supporting unit away from the flexible screen.

5. The electronic device of claim 3, wherein the through slot forms an opening at a side of the support unit remote from the flexible screen.

6. The electronic device of claim 5, wherein the second aperture and the first aperture form the opening on a side of the support unit away from the flexible screen.

7. The electronic device according to claim 6, wherein the supporting member comprises a locking unit, the locking unit is located at one end of the supporting units away from the first rotating shaft, and the end of the supporting part away from the second rotating shaft is fixedly connected with the locking unit.

8. The electronic device according to claim 7, wherein the locking unit is provided with a groove, the groove is communicated with the through groove of the adjacent supporting unit, a slot is formed at the bottom of the groove, a clamping block is arranged at a part of the supporting part fixedly connected with the locking unit, a part of the supporting part fixedly connected with the locking unit is inserted into the groove, and the clamping block is clamped in the slot.

9. The electronic device of claim 7, wherein the bracket has a landing surface, the channel is formed on a side of the bracket away from the landing surface, and the housing has a bearing surface located in the receiving slot; the flexible assembly is lapped on the lapping surface, the locking unit is borne on the bearing surface, one end, far away from the second rotating shaft, of the elastic belt penetrates through the channel through torsion, and therefore the end, far away from the second rotating shaft, of the supporting portion is fixedly connected with the locking unit.

10. The electronic device of claim 9, wherein the electronic device includes a roller disposed in the receiving slot, and when the locking unit protrudes from the supporting surface out of the receiving slot, a clamping force between the roller and the supporting surface can buckle the supporting member and the supporting portion to each other, so that the supporting portion is inserted into the through slot.

11. The electronic device of claim 7, wherein the locking unit is provided with a limiting protrusion, and when the supporting portion and the flexible component are rolled back into the receiving slot, the limiting protrusion is clamped on the housing to limit the supporting portion and the flexible component from being excessively rolled back into the receiving slot.

12. The electronic device of claim 11, wherein an outer surface of the locking unit is flush with an outer surface of the housing when the support portion and the flexible component are rolled into the receiving slot.

13. The electronic device of claim 1, wherein the second shaft is spaced apart from the first shaft, and the second shaft is closer to the notch of the receiving slot than the first shaft.

14. The electronic device of claim 1, wherein the second hinge is located in the first hinge, and an extending direction of the first hinge is parallel to an extending direction of the second hinge.

15. The electronic device according to any one of claims 1 to 14, wherein the number of the second winding mechanisms is two and equal to the number of the channels, and two support portions formed in the two second winding mechanisms are respectively connected to two opposite sides of the support member.

16. The electronic device of any of claims 1-14, comprising a display screen coupled to an outer surface of the housing.

17. The electronic device according to any one of claims 1 to 14, wherein the electronic device comprises a ratchet mechanism, the ratchet mechanism is disposed in the receiving slot, and the ratchet mechanism is configured to maintain unidirectional fixation of the flexible component and the elastic band when entering and exiting the receiving slot.

18. A foldable screen assembly for mounting in a receptacle of an electronic device, the receptacle having a bracket disposed therein, the bracket having a channel, the foldable screen assembly comprising:

the first winding mechanism comprises a first rotating shaft and a flexible assembly, the flexible assembly comprises a flexible screen and a supporting piece, the flexible screen is attached to the supporting piece, the supporting piece is used for supporting the flexible screen and has a winding and folding property, and the flexible assembly is wound on the first rotating shaft; the supporting piece comprises a plurality of supporting units arranged along the winding direction of the flexible assembly, and a through groove penetrating through the supporting units is formed in each supporting unit; the through grooves extend along the arrangement direction of the plurality of supporting units; and

the extending direction of the first rotating shaft is parallel to the extending direction of the second rotating shaft, one end of the elastic belt, which is far away from the second rotating shaft, is used for being twisted by 90 degrees to penetrate through the channel and maintaining the twisted shape to form a supporting part, so that the first rotating shaft can drive the flexible assembly to extend out of the accommodating groove through rotation, the second rotating shaft can drive the supporting part to extend out of the accommodating groove through rotation, and when the supporting part and the flexible assembly extend out of the accommodating groove, the supporting part is inserted into the through groove and can generate elastic force resisting the rolling and folding of the flexible assembly, so that the flexible screen is kept flat;

the elastic belt comprises a main body part and a protruding part, the edge of the main body part is connected with the edge of the protruding part, the main body part and the protruding part wound in the elastic belt of the second rotating shaft are arranged along the extending direction of the second rotating shaft, and the protruding part in the support part formed by twisting is close to the support part relative to the main body part; the through groove comprises a first hole close to the flexible screen and a second hole far away from the flexible screen, and the second hole is communicated with the first hole; the protrusion part in the support part formed by twisting can be clamped in the first hole in a shape matched with the shape of the first hole, and the main body part in the support part formed by twisting can be accommodated in the second hole in a shape matched with the shape of the second hole.

19. The folding screen assembly of claim 18 wherein the flexible screen is further from the first axis of rotation relative to the support member in a same-turn configuration in which the flexible member is wrapped around the first axis of rotation.

20. The folding screen assembly of claim 18, wherein adjacent two support units are flexibly foldably connected.

21. The folding screen assembly of claim 20, wherein the support unit is shaped as a trapezoid with a reference plane, the reference plane being a plane perpendicular to the extension direction of the first rotation axis, and an upper base of the trapezoid being located on a side of the support unit away from the flexible screen.

22. A folding screen assembly according to claim 20, wherein the through slot forms an opening in a side of the support unit remote from the flexible screen.

23. The folding screen assembly of claim 22, wherein the second aperture and the first aperture form the opening on a side of the support unit away from the flexible screen.

24. The folding screen assembly of claim 23, wherein the support member includes a locking unit at an end of the plurality of support units remote from the first pivot axis, an end of the elastic band remote from the second pivot axis being fixedly connected to the locking unit; the protrusion in the portion of the elastic band fixedly connected with the locking unit is closer to the flexible screen than the main body portion.

25. The foldable screen assembly of claim 24, wherein the locking unit is provided with a groove, the groove is communicated with the through groove of the adjacent supporting unit, a slot is formed at the bottom of the groove, a part of the elastic belt connected with the locking unit is provided with a clamping block, a part of the elastic belt connected with the locking unit is inserted into the groove, and the clamping block is clamped in the slot.

26. The folding screen assembly of claim 18, wherein the second shaft is located in the first shaft, the first shaft extending in a direction parallel to the second shaft.

27. The folding screen assembly of claim 26, wherein the second winding mechanism is two in number and is located on opposite sides of the first winding mechanism.