CN111583797A - Folding screen assemblies and electronic devices - Google Patents

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 assemblies and electronic devices

technical field

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

Background technique

As an application technology of OLED, flexible screen has achieved important development in recent years. Compared with rigid screens, flexible screens have significant advantages. For example, flexible screens are thinner and lighter in size and have lower power consumption. Moreover, thanks to the flexibility and good flexibility of flexible screens, the application scenarios of flexible screens are also increasing. More and more, for example, flexible screens can be applied to folding screens so that they can be easily bent and rolled. However, when the flexible screen in the form of winding is unfolded for use, the rigidity of the flexible screen is insufficient in local areas, which is prone to bending, which reduces the user experience.

SUMMARY OF THE INVENTION

The present application discloses a folding screen assembly and an electronic device to solve the technical problem that the flexible screen is prone to bending due to insufficient rigidity in a local area when it is unfolded for use, thereby reducing the user experience.

An electronic device comprising:

The casing is provided with a receiving groove, a bracket is arranged in the receiving groove, and the bracket has a channel;

The first winding mechanism includes a first rotating shaft and a flexible assembly, the first rotating shaft is arranged in the receiving groove, the flexible assembly includes a flexible screen and a support, the flexible screen is attached to the support, and the flexible screen is attached to the support. the support element is used for supporting the flexible screen and has rollability, and the flexible component is wound around the first shaft; and

The second winding mechanism includes a second rotating shaft and an elastic belt, the second rotating shaft is arranged in the receiving groove, the elastic belt is wound around the second rotating shaft, and the elastic belt is away from the second rotating shaft. One end is twisted through the channel and maintains the twisted shape to form a support portion; wherein, the first rotating shaft can rotate to drive the flexible component to extend out of the receiving groove, and the second rotating shaft can rotate to The supporting portion is driven to extend out of the accommodating slot. When the supporting portion and the flexible component protrude out of the accommodating slot, the supporting portion can generate an elastic force against the folding of the flexible component, so as to keep the Flattening of flexible screens.

In one embodiment, in the same-circle structure in which the flexible assembly is wound around the first rotating shaft, the flexible screen is further away from the first rotating shaft than the support member.

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

In one embodiment, the shape of the support unit cut by the reference plane is a trapezoid, the reference plane is a plane perpendicular to the extension direction of the first rotation axis, and the upper bottom of the trapezoid is located on the support The unit is away from the side of the flexible screen.

In one embodiment, the support member forms a through groove extending through the support unit in each of the support units, the through groove extends along the arrangement direction of the plurality of the support units, and the through groove is in the An opening is formed on a side of the supporting unit away from the flexible screen; when the supporting portion and the flexible assembly extend out of the receiving groove, the supporting portion is inserted into the through groove.

In one embodiment, the through slot includes a first hole close to the flexible screen and a second hole far away from the flexible screen, the second hole communicates with the first hole and is located in the support unit The opening is formed on the side away from the flexible screen; the elastic band includes a main body part and a protruding part, the edge of the main body part is connected with the edge of the protruding part, and is wound around the second rotating shaft The main body part and the protruding part in the elastic band 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 main body part. the supporting member; when the supporting portion and the flexible component extend out of the receiving groove, the protruding portion located on the supporting portion can match the shape of the first hole and be clamped in the first hole , the main body part located in the support part can match the shape of the second hole and be accommodated in the second hole.

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

In one embodiment, the locking unit is provided with a groove, the groove communicates with the through groove of the adjacent supporting unit, the groove bottom is provided with a clamping groove, and the supporting portion The part fixedly connected with the locking unit is provided with a clamping block, the part of the support 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 a side of the bracket away from the overlapping surface, and the housing has a bearing surface located in the receiving groove; the The flexible component is overlapped on the overlapping surface and the locking unit is carried on the bearing surface, and the end of the elastic band away from the second rotating shaft is twisted and passed through the channel, so that the formed The end of the support portion away from the second rotating shaft is fixedly connected with the locking unit.

In one embodiment, the electronic device includes a roller disposed in the receiving groove, and when the locking unit protrudes from the receiving groove from the receiving surface, there is a gap between the roller and the receiving surface. The clamping force can fasten the support piece and the support part to each other, so that the support part is inserted into the through groove.

In one embodiment, the locking unit is provided with a limiting protrusion, and when the support portion and the flexible component are rolled back into the receiving groove, the limiting protrusion is clamped on the casing, In order to restrict the support portion and the flexible component from being excessively rolled back into the receiving groove.

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

In one embodiment, the second rotating shaft is spaced apart from the first rotating shaft, and the second rotating shaft is closer to the notch of the receiving groove than 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 the end of the elastic band away from the second rotating shaft is twisted 90° through the channel and maintained The support portion is formed in a twisted form.

In one embodiment, the number of the second rewinding mechanisms is two, which is equal to the number of the channels, and the two supporting parts formed in the two second rewinding mechanisms are respectively connected to the the opposite sides of the support.

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

In one embodiment, the electronic device includes a ratchet mechanism, the ratchet mechanism is arranged in the receiving groove, and the ratchet mechanism is used to keep the flexible component and the elastic band in and out of the receiving groove unidirectional fixation.

A folding screen assembly is used to be installed in a receiving groove of an electronic device, a bracket is arranged in the receiving groove, and the bracket has a channel, and the folding screen assembly includes:

The first winding mechanism includes a first rotating shaft and a flexible assembly, the flexible assembly includes a flexible screen and a support member, the flexible screen is attached to the support member, and the support member is used to support the flexible screen and has a rollability, the flexible component is wound around the first shaft; and

The second winding mechanism includes a second rotating shaft and an elastic belt, and the elastic belt is wound around the second rotating shaft;

Wherein, the end of the elastic band away from the second rotating shaft is used to pass through the channel by twisting and can maintain the twisted shape to form a support part, so that the first rotating shaft can drive the flexible belt through rotation The assembly extends out of the receiving groove, and enables the second shaft to drive the support part to extend out of the receiving groove through rotation. When the support part and the flexible assembly extend out of the receiving groove, the The support part can generate an elastic force against the folding of the flexible component, so as to keep the flexible screen flat.

In one embodiment, in the same-circle structure in which the flexible assembly is wound around the first rotating shaft, the flexible screen is further away from the first rotating shaft than the support member.

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

In one embodiment, the shape of the support unit cut by the reference plane is a trapezoid, the reference plane is a plane perpendicular to the extension direction of the first rotation axis, and the upper bottom of the trapezoid is located on the support The unit is away from the side of the flexible screen.

In one embodiment, the support member forms a through groove running through the support unit in each support unit, the through groove extends along the arrangement direction of a plurality of the support units, and the through groove is formed in the support unit. An opening is formed on a side of the supporting unit away from the flexible screen; when the elastic band and the flexible component are extended, the twisted supporting portion can be inserted into the through groove.

In one embodiment, the through slot includes a first hole close to the flexible screen and a second hole far away from the flexible screen, the second hole communicates with the first hole and is located in the support unit The opening is formed on the side away from the flexible screen; the elastic band includes a main body part and a protruding part, the edge of the main body part is connected with the edge of the protruding part, and is wound around the second rotating shaft The main body portion and the protruding portion in the elastic band are arranged along the extending direction of the second rotating shaft, and the protruding portion in the support portion formed by twisting can match the first hole The shape of the torsion is clamped in the first hole, and the main body part in the support part formed by twisting can match the shape of the second hole and be accommodated in the second hole.

In one embodiment, the support member includes a locking unit, the locking unit is located at one end of the plurality of support units away from the first rotating shaft, and one end of the elastic band away from the second rotating shaft is connected to The locking unit is fixedly connected; the protruding part in the part where the elastic band is fixedly connected with the locking unit is closer to the flexible screen than the main body part.

In one embodiment, the locking unit is provided with a groove, the groove communicates with the through groove of the adjacent support unit, the groove bottom is provided with a clamping groove, and the elastic band The part connected with the locking unit is provided with a clamping block, the part of the elastic band connected with the locking unit is inserted into the groove, and the clamping block is clamped in the clamping groove.

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 number of the second rewinding mechanisms is two and located on opposite sides of the first rewinding mechanism.

The folding screen assembly and the electronic device provided by the present application have the following beneficial effects: the support portion is formed because the end of the elastic band away from the second rotating shaft is twisted through the channel and maintains the twisted state, and when the flexible component and the support portion extend When going out of the accommodating slot, the support part can generate elastic force against the folding of the flexible component, so the flexible screen can maintain a flat state under the support of the supporting part, avoiding the phenomenon of bending after the flexible component extends out of the accommodating slot. In addition, since the flexible screen is connected to the support, the unfolded part of the flexible screen can be supported by the support in a straight and stable structure, and the support also has a roll-up property, so that the support with roll-up performance can also ensure flexibility. The curling performance of the component, when the flexible screen is not needed, the flexible component can be rolled up on the first rotating shaft and retracted into the receiving groove, so as to achieve the purpose of hiding.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;

Fig. 2 is the enlarged structure schematic diagram of A place in Fig. 1;

Fig. 3 is the structural representation of the bracket in Fig. 2;

FIG. 4 is a schematic structural diagram of the flexible assembly and the elastic band in FIG. 1 after they extend out of the receiving groove;

Fig. 5 is the structural representation of the elastic band in Fig. 4;

Fig. 6 is the structural representation of the support unit in Fig. 4;

Fig. 7 is the enlarged schematic diagram of the B place in Fig. 6;

Fig. 8 is the structural representation of the locking unit in Fig. 2;

FIG. 9 is a schematic cross-sectional structure diagram along section line II-II in FIG. 8;

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

FIG. 11 is a schematic structural diagram of an embodiment of the flexible assembly and the elastic band extending out of the receiving groove.

Detailed ways

In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the related drawings. The preferred embodiments of the present application are shown in the accompanying drawings. However, the application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the disclosure of this application is provided.

Referring to FIG. 1 and FIG. 2 , the present application will take a smartphone as an example to describe the electronic device 10 . Those skilled in the art can easily understand that the electronic device 10 of the present application can be any device with communication and storage functions, such as smart phones, tablet computers, notebook computers, portable phones, video phones, digital still cameras, e-book readers, Smart terminals such as portable multimedia players (PMPs), mobile medical devices, and electronic equipment 10 are not limited in any way here. Of course, for a wearable device such as a smart watch, it is also applicable to the electronic device 10 of each embodiment 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 is provided with a receiving groove 101 . In one embodiment, the housing 100 includes a front surface 110 , a rear surface 120 , and a side peripheral surface 130 connecting the front surface 110 and the rear surface 120 , and the receiving groove 101 is opened in the side peripheral surface 130 . In other embodiments, the accommodating groove 101 may also be formed on the rear surface 120 , and the present application does not make any limitation on the location of the accommodating groove 101 . A bracket 140 is disposed in the receiving groove 101 , and as shown in FIG. 3 , the bracket 140 has a channel 1401 . In one embodiment, the bracket 140 includes a housing 141 and a protrusion 142 connected to the housing 141 , and a channel 1401 is formed on the protrusion 142 and extends along the width direction of the bracket 140 . When the bracket 140 is installed in the receiving groove 101 , the opposite sides of the length direction of the casing 141 can be connected to the casing 100 , and the width direction of the casing 141 is consistent with the extending direction of the receiving groove 101 . The side of the housing 141 facing away from the protrusions 142 is the overlapping surface 1411 . FIG. 3 shows that the number of bumps 142 is two and located on opposite sides of the housing 141 respectively, and the number of bumps 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 the extending direction of the first rotating shaft 210 can be kept parallel to the lengthwise 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 receiving slot 101 . For example, the first rotating shaft 210 can be rotated under the driving of a motor, or the user can manually drive the first rotating shaft 210 to rotate.

In one embodiment, the flexible component 220 includes a flexible screen 221 and a support member 222. The flexible screen 221 may be, for example, an OLED (organic electroluminescence) display panel, and the flexible screen 221 is stacked on the support member 222. For example, in one embodiment, The flexible screen 221 is bonded to the support member 222 through a soft glue layer. The soft glue layer can be a double-sided adhesive material. The soft glue layer has a certain buffering effect and can eliminate the uneven surface of the support member 222 . When the flexible component 220 is wound around the first rotating shaft 210 , in the same circle structure in which the flexible component 220 is wound around the first rotating shaft 210 , the flexible screen 221 is further away from the first rotating shaft 210 than the support member 222 . The so-called “same-circle structure” refers to a structure formed by winding the flexible component 220 around the first rotating shaft 210 once. In other embodiments, the flexible screen 221 may also be closer to the first rotating shaft 210 than the support member 222 . At this time, the flexible screen 221 is wrapped and wound around the first rotating shaft 210 by the support member 222 , and there is a risk of being easily clamped, damaged and broken.

The support member 222 is used to support the flexible screen 221 to ensure the structural strength of the flexible screen 221 , and at the same time, to ensure that the flexible component 220 can be wound around the first shaft 210 , the support member 222 also has rollability. In one embodiment, the support member 222 includes a plurality of support units 2221 arranged along the winding direction of the flexible component 220, and two adjacent support units 2221 are flexibly connected in a foldable manner. In this way, when the flexible screen 221 extends out of the receiving slot 101 , the supporting unit 2221 can support the flexible screen 221 , and at the same time, when the flexible screen 221 is rolled back into the receiving slot 101 , the supporting unit 2221 cannot hinder the rolling of the flexible screen 221 . fold. In one embodiment, the shape of the support unit 2221 cut 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 away from the flexible screen 221 . , so as to ensure that the supporting units 2221 do not interfere with each other when the flexible assembly 220 is wound. The material of the supporting unit 2221 may be a hard material with a certain strength, such as metal, hard plastic, and composite materials.

The second winding mechanism 300 includes a second rotating shaft 310 and an elastic band 320 . The second rotating shaft 310 is disposed in the receiving groove 101 , the elastic band 320 is wound around the second rotating shaft 310 , and the end of the elastic band 320 away from the second rotating shaft 310 is twisted through the channel 1401 and maintains the twisted shape to form the support portion 320 a , and the second rotating shaft 310 can rotate to drive the support portion 320 a to extend out of the receiving slot 101 . Referring to FIG. 4 , when the flexible component 220 and the supporting portion 320a extend out of the receiving slot 101 driven by the first rotating shaft 210 and the second rotating shaft 310 respectively, the supporting portion 320a can generate an elastic force against the folding of the flexible component 220 to maintain flexibility Flattening of the screen 221.

In one embodiment, as shown in FIG. 5 , the elastic band 320 includes a main body portion 321 and a protruding portion 322 , the edge of the main body portion 321 is connected with the edge of the protruding portion 322 , and the end of the elastic band 320 away from the second rotating shaft 310 is Twist and pass through the channel 1401 , so that the portion of the elastic band 320 passing through the channel 1401 forms the support portion 320 a. The main body portion 321 and the protruding portion 322 in 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 protruding portion 322 in the support portion 320 a formed by twisting is opposite to the main body portion. 321 is close to the support 222 . In one embodiment, the extending direction of the second rotating shaft 310 is parallel to the extending direction of the first rotating shaft 210 . In this case, the end of the elastic band 320 away from the second rotating shaft 310 can be twisted by 90° and pass through the channel 1401 to form the support. part 320a. In other embodiments, when the extending direction of the first rotating shaft 210 and the extending direction of the second rotating shaft 320 are arranged at an angle, the end of the elastic band 320 away from the second rotating shaft 310 can be twisted by an angle less than 90 degrees to form the support part 320a. Since the formed support portion 320a can generate an elastic force against the folding of the flexible component 220, it can be understood that the elastic band 320 of the present application has strong anti-bending performance in the arrangement direction of the main body portion 321 and the protruding portion 322, The flattening of the flexible screen 221 is maintained by the supporting portion 320 a formed by the twisting elastic band 320 . In addition, the elastic band 320 is easily bendable in the extending direction of the elastic band 320 , so that the partial structure of the elastic band 320 before being twisted can be wound around the second rotating shaft 320 .

In one embodiment, FIG. 6 and FIG. 7 schematically illustrate a support unit 2221 , the support member 222 forms a through groove 2222 in each support unit 2221 penetrating the support unit 2221 , and the through groove 2222 extends along the plurality of support units 2222 . The arrangement direction extends, and the through groove 2222 forms an opening 2223 on the side of the support unit 2221 away from the flexible screen 221 . When the support portion 320a and the flexible assembly 220 extend out of the receiving slot 101, the support 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 deployment.

In one embodiment, the through slot 2222 includes a first hole 2224 close to the flexible screen 211 and a second hole 2225 away from the flexible screen 211 . The opening 2223 is formed on one side. When the support portion 320a and the flexible component 220 extend out of the receiving slot 101 , the protruding portion 322 of the support portion 320a can match the shape of the first hole 2224 and be clamped to the first hole 2224, and the main body portion 321 of the support portion 320a can match the shape of the first hole 2224. The shape of the second hole 2225 is accommodated in the second hole 2225 . It can be understood that, in this case, the shape of the elastic band 320 cut by a plane parallel to the second rotating shaft 310 may be, but not limited to, an arrow shape, an I-shape, and the like.

In one embodiment, as shown in FIG. 2 , FIG. 8 and FIG. 9 , the support member 222 includes a locking unit 223 , and 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 support portion 320 a The end away from the second rotating shaft 310 is fixedly connected with the locking unit 223 . In this way, the flexible component 220 and the elastic band 320 can be mutually restrained to ensure 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 one embodiment, the locking unit 223 is provided with a groove 2231, and the groove 2231 communicates with the through groove 2222 of the adjacent supporting unit 2221. The fixed connection part of the unit 223 is provided with a clamping block (not shown), the fixed connection part of the support part 320a and the locking unit 223 is inserted in the groove 2231 , and the clamping block is clamped in the clamping groove 2232 .

In one embodiment, referring to FIGS. 2 and 3 , the housing 100 has a bearing surface 150 located in the receiving groove 101 , the flexible component 220 is overlapped on the overlapping surface 1411 and the locking unit 223 is supported on the bearing surface 150 . The end of the elastic band 320 away from the second rotating shaft 310 is twisted and passed through the channel 1401 , so that the end of the formed support portion 320 a away from the second rotating shaft 310 is fixedly connected to the locking unit 223 . The locking unit 223 can drive the support portion 320 a and the support member 222 to extend from the bearing surface 150 to the receiving slot 101 . In one embodiment, the overlapping surface 1411 has a curved surface 1412 close to the notch of the receiving groove 101 . When the flexible component 220 extends out of the receiving groove 101 , the curved surface 1412 can make the support member 222 move smoothly to the bearing surface 150 . When the assembly 220 is rolled back into the container 101 , the curved surface 1412 can smoothly roll the support 222 back to the first rotating shaft 310 .

In one embodiment, as shown in FIG. 2 , the electronic device 10 includes a roller 160 disposed in the receiving slot 101 , the locking unit 223 is disposed between the roller 160 and the bearing surface 150 , and the locking unit 223 extends from the bearing surface 150 . When the accommodating groove 101 is removed, the clamping force between the roller 160 and the bearing surface 150 can fasten the supporting member 222 and the supporting portion 320a to each other, so that the supporting portion 320a is inserted into the through groove 2222. In addition, the roller 160 is used in the form of The friction force between the flexible screen 221 and the casing 100 can also be reduced, so as to protect the flexible screen 221 and improve the service life. In one embodiment, the material of the outer surface of the roller 160 may be a soft material such as rubber or other composite materials, so as to prevent relative movement between the roller 160 and the flexible screen 221 .

In one embodiment, as shown in FIGS. 2 and 8 , the locking unit 223 is provided with a limiting protrusion 223a. When the support portion 320a and the flexible component 220 are rolled back into the accommodating groove 101, the limiting protrusion 223a is clamped on the shell. body 100 to restrict the support portion 320a and the flexible assembly 220 from being excessively rolled back into the container 101 . In one embodiment, the side peripheral surface 130 of the casing 100 is provided with a recessed groove 131 . When the support portion 320 a and the flexible component 220 are rolled back into the receiving groove 101 , the limiting protrusion 223 a is clamped in the recessed groove 131 . Please continue to refer to FIG. 2 , when the support portion 320 a and the flexible component 220 are rolled back into the container 101 , the outer surface 223 b of the locking unit 223 is flush with the side peripheral surface 130 , that is, the outer surface 223 b of the locking unit 223 is flush with the side surface 130 . The outer surface of the housing 100 is flush, so that the appearance and integrity of the electronic device 10 can be maintained when the flexible screen 221 is not required.

In one embodiment, referring to FIG. 10 , the second shaft 310 is connected to the first shaft 210 , for example, the second shaft 310 is located in the first shaft 210 , and the extension direction of the second shaft 310 and the first shaft 210 is parallel. The synchronous rotation of the first rotating shaft 210 and the second rotating shaft 310 can be realized, and at this time, the angular velocity of the first rotating shaft 210 is equal to the angular velocity of the second rotating shaft 310 . For example, during the synchronous rotation of the first rotating shaft 210 and the second rotating shaft 310 to extend the flexible component 220 and the elastic band 320, the extension length of the flexible component 220 and the elastic band 320 may be affected by the distance between the flexible component 220 and the elastic band 320. The thicknesses are inconsistent and different. Therefore, on the premise of rotating the first rotating shaft 210 and the second rotating shaft 310 synchronously, in order to ensure that the extension length of the flexible component 220 is consistent with that of the elastic band 320, the thickness of the flexible component 220 should be the same as that of the elastic band. 320 is equal in thickness. 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 can still be driven by two motors respectively, which are not limited to synchronous rotation.

In an embodiment, FIG. 10 shows that the number of the second rotating shafts 310 is two, the two second rotating shafts 310 are located on opposite sides of the first rotating shaft 210 respectively, and the two second rotating shafts 310 can be respectively wound elastically. The belt 320 , that is, the number of the second rewinding mechanisms 300 at this time is two, and the number of the second rewinding mechanisms 300 corresponds to the number of the channels 1401 . When the support portion 320a and the flexible assembly 220 extend out of the receiving slot 101, the two support portions 320a formed in the two second winding mechanisms 300 are respectively connected to opposite sides of the support member 222, so as to enhance the resistance to the flexible assembly 220 from being rolled up The elastic force ensures the flattened state of the flexible screen 221 .

Referring to FIG. 11 , in other embodiments, the second rotating shaft 310 and the first rotating shaft 210 are spaced apart, and the second rotating shaft 310 is closer to the notch of the receiving groove 101 than the first rotating shaft 210 . The two rotating shafts 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 can be different, as long as the extension length of the flexible component 220 is equal to that of the elastic band 320 . Disposing the second rotating shaft 310 independently of the first rotating shaft 210 can reduce the thickness of the elastic band 320 relative to the thickness of the flexible component 220 to avoid excessively occupying the internal space of the electronic device 10 .

In one embodiment, the electronic device 10 further includes a ratchet mechanism. The ratchet mechanism is disposed in the receiving slot 101 , and the ratchet mechanism is used to keep the flexible assembly 220 and the elastic band 320 unidirectionally fixed when entering and exiting the receiving slot 101 . In this way, by setting the ratchet mechanism, the position of the flexible screen 221 in any unfolded state (accuracy depends on the number of ratchets) is fixed without being curled, and the flexible screen 221 can be selected to extend in the unfolded state according to the user's usage requirements. The length of the receiving groove 101 . In one embodiment, the ratchet mechanism includes a ratchet wheel, a pawl and a coil spring. When the first rotating shaft 210 is connected to the second rotating shaft 310 and can rotate synchronously, the ratchet wheel is connected to the first rotating shaft 210 and the second rotating shaft 310 through the coil spring. One is fixedly connected, and the coil spring is used to provide a reverse rotation force for the ratchet wheel, and the pawl can be engaged with the ratchet teeth on the ratchet wheel, so that the flexible component 220 and the elastic band 320 can be kept fixed in one direction. When the pawl is separated from the ratchet teeth on the ratchet, the reverse rotation force provided by the coil spring can make the first rotation shaft 210 and the second rotation shaft 310 reversely rotate, so that the flexible component 220 and the elastic band 320 can be wound and retracted. When the first rotating shaft 210 and the second rotating shaft 310 are provided independently, the number of ratchet mechanisms may be two, and the two ratchet mechanisms correspond to the first rotating shaft 210 and the second rotating shaft 310 respectively and are connected by a coil spring. Wherein, the pawl can be penetrated through the casing 100 to be exposed for manual operation by the user.

In the electronic device 10 of the present application, since the end of the elastic band 320 away from the second rotating shaft 310 is twisted through the channel 1401 and maintains the twisted shape to form the support portion 320 a, and when the flexible component 220 and the support portion 320 a protrude from the receiving groove 101, the support portion 320a can generate an elastic force against the folding of the flexible component 220, so the flexible screen 221 can maintain a flat state under the support of the support portion 320a, preventing the flexible component 220 from being bent after extending out of the receiving slot 101. Phenomenon. In addition, since the flexible screen 221 is connected with the support member 222, the unfolded part of the flexible screen 221 can be supported by the support member 222 to have a straight and stable structure, and the support member 222 also has the ability to be rolled, so as to have the support of rolling performance. The component 222 can also ensure the curling performance of the flexible component 220. When the flexible screen 221 is not needed, the flexible component 220 can be rolled up on the first rotating shaft 210 and retracted into the receiving groove 101 to achieve the purpose of concealment.

It should be noted that the first rewinding mechanism 200 and the second rewinding mechanism 300 of the present application can be combined to form a folding screen assembly, which can be produced, sold and used separately. When the folding screen assembly is not installed in the receiving slot 101, the elastic The belt 320 can remain in a state where the support portion 320a is not formed without being twisted. When the folding screen assembly is installed in the receiving slot 101, the elastic belt 320 can be twisted through the channel 1401 to form the support portion 320a.

In one embodiment, as shown in FIG. 1 , the electronic device 10 further includes a display screen 400 , and the display screen 400 is connected to the outer surface of the housing 100 , for example, the display screen 400 is connected to the front surface 110 . Referring to FIG. 4 , when the flexible assembly 220 extends out of the receiving slot 101 and unfolds, the flexible screen 221 and the display screen 400 can work together. At this time, the flexible screen 221 may face the side where the display screen 400 is located, that is, the display surface of the flexible screen 221 and the display surface of the display screen 400 are located on the same side, and the user can observe the content displayed on the flexible screen 221 and the display screen 400 at the same time. It can be understood that, in other embodiments, when the flexible assembly 220 extends out of the receiving slot 101 and unfolds, the flexible screen 221 may face away from the side where the display screen 400 is located, that is, the display surface of the flexible screen 221 is opposite to the display surface of the display screen 400 . setting, which can be observed and used by two users at this time.

In one embodiment, the display screen 400 may use an LCD (Liquid Crystal Display, liquid crystal display) screen for displaying information, and the LCD screen may be a TFT (Thin Film Transistor, thin film transistor) screen or an IPS (In-Plane Switching, plane switching) screen. ) screen or SLCD (Splice Liquid Crystal Display, splicing special liquid crystal display) screen. In another embodiment, the display screen 400 may use an OLED (Organic Light-Emitting Diode, organic electric laser display) screen for displaying information, and the OLED screen may be an AMOLED (Active Matrix Organic Light Emitting Diode, an active matrix organic light-emitting diode). ) screen or Super AMOLED (Super Active Matrix Organic Light Emitting Diode, Super Active Drive Organic Light Emitting Diode) screen or Super AMOLED Plus (Super Active Matrix Organic Light Emitting Diode Plus, Magic Screen) screen, which will not be repeated here.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of the patent application. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the appended claims.

Claims (28)

1. an electronic device, is characterized in that, comprises: The casing is provided with a receiving groove, a bracket is arranged in the receiving groove, and the bracket has a channel; The first winding mechanism includes a first rotating shaft and a flexible assembly, the first rotating shaft is arranged in the receiving groove, the flexible assembly includes a flexible screen and a support, the flexible screen is attached to the support, and the flexible screen is attached to the support. the support element is used for supporting the flexible screen and has rollability, and the flexible component is wound around the first shaft; and The second winding mechanism includes a second rotating shaft and an elastic belt, the second rotating shaft is arranged in the receiving groove, the elastic belt is wound around the second rotating shaft, and the elastic belt is away from the second rotating shaft. One end is twisted through the channel and maintains the twisted shape to form a support portion; wherein, the first rotating shaft can rotate to drive the flexible component to extend out of the receiving groove, and the second rotating shaft can rotate to The supporting portion is driven to extend out of the accommodating slot. When the supporting portion and the flexible component protrude out of the accommodating slot, the supporting portion can generate an elastic force against the folding of the flexible component, so as to keep the Flattening of flexible screens. 2 . The electronic device according to claim 1 , wherein in the same-circle structure in which the flexible component is wound around the first rotating shaft, the flexible screen is farther away from the first rotating shaft than the support member. 3 . . 3 . The electronic device according to claim 1 , wherein the support member comprises a plurality of support units arranged along the winding direction of the flexible component, and two adjacent support units are flexibly connected in a foldable manner. 4 . 4 . The electronic device according to claim 3 , wherein the shape of the support unit cut by the reference plane is a trapezoid, and the reference plane is a plane perpendicular to the extending direction of the first rotation axis, so the The upper bottom of the trapezoid is located on the side of the support unit away from the flexible screen. 5 . The electronic device according to claim 3 , wherein the support member forms a through groove penetrating through the support unit in each of the support units, and the through groove is along a row of a plurality of the support units. 6 . extending in the direction of the cloth, the through groove forms an opening on the side of the support unit away from the flexible screen; when the support part and the flexible component extend out of the receiving groove, the support part is inserted into the through groove. groove. 6 . The electronic device according to claim 5 , wherein the through groove comprises a first hole close to the flexible screen and a second hole far away from the flexible screen, the second hole is connected with the first hole. 7 . A hole is connected and the opening is formed on the side of the support unit away from the flexible screen; The elastic band includes a main body part and a protruding part, the edge of the main body part is connected with the edge of the protruding part, and the main body part and the protruding part are wound around the second rotating shaft in the elastic band The protruding parts are arranged along the extending direction of the second rotating shaft, and the protruding parts in the support part formed by twisting are close to the support part relative to the main body part; between the support part and the flexible When the assembly protrudes out of the receiving groove, the protruding part located on the support part can match the shape of the first hole to be clamped in the first hole, and the main body part located on the support part can match the shape of the first hole. The shape of the second hole is accommodated in the second hole. 7 . The electronic device according to claim 6 , wherein the support member comprises a locking unit, and the locking unit is located at one end of the plurality of support units away from the first rotating shaft, and the support portion The end 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 communicates with the through groove of the adjacent support unit, and the groove bottom of the groove is A card slot is provided, the portion of the support portion that is fixedly connected to the locking unit is provided with a locking block, the portion of the support portion that is fixedly connected to the locking unit is inserted into the groove, and the card is inserted into the groove. The block is clamped in the slot. 9 . The electronic device according to claim 7 , wherein the bracket has an overlapping surface, the channel is formed on a side of the bracket away from the overlapping surface, and the housing has a surface located on the side of the bracket. 10 . A bearing surface in the receiving groove; the flexible component is overlapped on the overlapping surface and the locking unit is supported on the bearing surface, and the end of the elastic band away from the second rotating shaft is twisted and passed through the bearing surface. The channel is formed, so that the formed end of the supporting portion away from the second rotating shaft is fixedly connected with the locking unit. 10 . The electronic device according to claim 9 , wherein the electronic device comprises a roller disposed in the receiving groove, and when the locking unit extends out of the receiving groove from the bearing surface, the The clamping force between the roller and the bearing surface can fasten the support member and the support portion to each other, so that the support portion is inserted into the through groove. 11 . The electronic device according to claim 7 , wherein the locking unit is provided with a limiting protrusion, and when the support portion and the flexible component are rolled back into the receiving groove, the limiting protrusion is 11 . It is clamped on the casing to restrict the support portion and the flexible component from being excessively rolled back into the receiving groove. 12 . The electronic device according to claim 11 , wherein when the support portion and the flexible component are rolled back into the accommodating groove, the outer surface of the locking unit is flush with the outer surface of the housing. 13 . . 13 . The electronic device according to claim 1 , wherein the second rotating shaft is spaced apart from the first rotating shaft, and the second rotating shaft is closer to a notch of the receiving slot than the first rotating shaft. 14 . . 14 . The electronic device according to claim 1 , wherein the second rotating shaft is located in the first rotating shaft, and an extending direction of the first rotating shaft is parallel to an extending direction of the second rotating shaft. 15 . 15 . The electronic device according to claim 1 , wherein the extending direction of the first rotating shaft is parallel to the extending direction of the second rotating shaft, and an end of the elastic band away from the second rotating shaft is twisted by 90° 15 . °The support portion is formed by passing through the channel and maintaining the twisted shape. 16. The electronic device according to any one of claims 1 to 15, wherein the number of the second winding mechanisms is two and is equal to the number of the channels, and the number of two second winding mechanisms is equal to the number of the channels. The two supporting parts formed in the rolling mechanism are respectively connected to opposite sides of the supporting member. 17. The electronic device according to any one of claims 1 to 15, wherein the electronic device comprises a display screen, and the display screen is connected to the outer surface of the housing. 18. The electronic device according to any one of claims 1 to 15, wherein the electronic device comprises a ratchet mechanism, the ratchet mechanism is arranged in the receiving groove, and the ratchet mechanism is used to hold One-way fixing of the flexible component and the elastic band when entering and exiting the receiving groove. 19. A folding screen assembly for being installed in a receiving groove of an electronic device, wherein a bracket is provided in the receiving groove, and the bracket has a channel, wherein the folding screen assembly comprises: The first winding mechanism includes a first rotating shaft and a flexible assembly, the flexible assembly includes a flexible screen and a support member, the flexible screen is attached to the support member, and the support member is used to support the flexible screen and has a rollability, the flexible component is wound around the first shaft; and The second winding mechanism includes a second rotating shaft and an elastic belt, and the elastic belt is wound around the second rotating shaft; Wherein, the end of the elastic band away from the second rotating shaft is used to pass through the channel by twisting and can maintain the twisted shape to form a support part, so that the first rotating shaft can drive the flexible belt through rotation The assembly extends out of the receiving groove, and enables the second shaft to drive the support part to extend out of the receiving groove through rotation. When the support part and the flexible assembly extend out of the receiving groove, the The support part can generate an elastic force against the folding of the flexible component, so as to keep the flexible screen flat. 20 . The folding screen assembly according to claim 19 , wherein in the same-circle structure in which the flexible assembly is wound around the first rotating shaft, the flexible screen is farther away from the first rotating shaft than the supporting member. 21 . a reel. 21 . The folding screen assembly according to claim 19 , wherein the supporting member comprises a plurality of supporting units arranged along the winding direction of the flexible component, and two adjacent supporting units can be flexibly folded. 22 . connect. 22 . The folding screen assembly according to claim 21 , wherein the shape of the support unit cut by a reference plane is a trapezoid, and the reference plane is a plane perpendicular to the extending direction of the first rotation axis. 23 . , the upper bottom of the trapezoid is located on the side of the support unit away from the flexible screen. 23 . The folding screen assembly of claim 21 , wherein the support member forms a through groove penetrating through the support unit in each support unit, and the through groove is along the rows of a plurality of the support units. 24 . extending in the direction of the cloth, the through groove forms an opening on the side of the support unit away from the flexible screen; when the elastic band and the flexible component are extended, the support part formed by twisting can be inserted into the through slot. 24. The folding screen assembly according to claim 23, wherein the through groove comprises a first hole close to the flexible screen and a second hole far away from the flexible screen, the second hole being connected to the flexible screen. the first hole communicates with and forms the opening on the side of the support unit away from the flexible screen; The elastic band includes a main body part and a protruding part, the edge of the main body part is connected with the edge of the protruding part, and the main body part and the protruding part are wound around the second rotating shaft in the elastic band The protruding parts are arranged along the extending direction of the second rotating shaft, and the protruding parts in the support part formed by twisting can match the shape of the first hole and be clamped in the first hole; The main body part of the formed support part can be accommodated in the second hole according to the shape of the second hole. 25. The folding screen assembly according to claim 24, wherein the support member comprises a locking unit, and the locking unit is located at one end of the plurality of support units away from the first rotating shaft, the One end of the elastic band away from the second rotating shaft is fixedly connected with the locking unit; the protruding part in the part where the elastic band is fixedly connected with the locking unit is closer to the main body part than the protruding part Flexible screen. 26. The folding screen assembly according to claim 25, wherein the locking unit is provided with a groove, the groove communicates with the through groove of the adjacent support unit, and the groove is The bottom of the groove is provided with a card slot, the part of the elastic band connected to the locking unit is provided with a locking block, the part of the elastic band connected to the locking unit is inserted into the groove, and the clip The block is clamped in the slot. 27 . The folding screen assembly of claim 19 , wherein the second rotating shaft is located in the first rotating shaft, and an extending direction of the first rotating shaft is parallel to an extending direction of the second rotating shaft. 28 . 28. The folding screen assembly according to claim 27, wherein the number of the second winding mechanisms is two and located on opposite sides of the first winding mechanism.

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