CN116266848A - Electronic equipment and screen supporting assembly thereof - Google Patents

Abstract

The application relates to an electronic equipment and screen support assembly thereof, screen support assembly includes first support piece, second support piece and a plurality of rolling element, first support piece has first holding surface, a plurality of recesses have been seted up to first holding surface, the second support piece includes backbone strip and a plurality of skeletons that are connected with backbone strip, a plurality of skeletons movably set up in a plurality of recesses, a plurality of rolling element are connected with a plurality of skeletons, and can follow the skeleton along the recess and remove, the rolling element is used for rolling contact in one of screen and first support piece. The electronic equipment and the screen support assembly thereof are characterized in that the rolling piece of the second support piece is in rolling contact with one of the screen and the first support piece, so that sliding friction between the flexible screen and an adjacent structure of the second support piece is reduced, and the smoothness of the flexible screen motion is improved when the first support piece and the second support piece are used for playing a good supporting role on the screen.

Description

Electronic equipment and screen supporting assembly thereof

Technical Field

The application relates to the technical field of electronic equipment, in particular to electronic equipment and a screen supporting assembly thereof.

Background

In the current intelligent information age, users use mobile terminals more and more frequently, and the use scenes are diversified day by day. Most of the current portable intelligent mobile terminals have a screen size below 7 inches, and compared with flat-panel and pen-powered products, the screen display area is limited, and the user operation experience is limited.

The appearance of the flexible screen well solves the problem, and the large screen is contained in the small body through bending or curling of the flexible screen, so that the flexible screen is convenient for a user to carry. Meanwhile, the small screen is used as a normal mobile phone, when the large screen is switched to, news reading and social chat can be achieved, meanwhile, game operation experience of a user can be improved, and use scenes of the user are greatly enriched.

However, the current flexible screen structure still has a few problems. For example, when the flexible screen is curled to adjust the size of the display area, the flexible screen cannot be well supported to cause poor flatness of the display screen, or the flexible screen cannot be normally unfolded or folded even due to excessive resistance because of unsmooth stretching or shrinking process caused by the support structure.

Disclosure of Invention

The application provides electronic equipment and a screen supporting component thereof, which are used for solving the technical problem of how to improve the smoothness of flexible screen telescoping motion while maintaining good support of a flexible screen.

In a first aspect, embodiments of the present application provide a screen support assembly comprising:

the first supporting piece is provided with a first supporting surface, the first supporting surface is provided with a plurality of grooves, the grooves extend along a first direction and are parallel to each other and are distributed along a second direction, the second direction is perpendicular to the first direction,

the second supporting piece comprises a backbone strip and a plurality of skeletons connected with the backbone strip, the skeletons are arranged in a comb tooth shape, the skeletons are movably arranged in the grooves, the skeletons are provided with a second supporting surface, and the second supporting surface and the first supporting surface are used for supporting a screen together;

the rolling elements are connected with the skeletons and can move along the grooves along with the skeletons, and the rolling elements are used for being in rolling contact with one of the screen and the first supporting element.

In another aspect, an embodiment of the present application provides an electronic device, including a case assembly, a flexible screen, and a screen support assembly as described above, where the case assembly includes a first case and a second case, the first case and the second case are relatively movable along a first direction, the flexible screen is connected to the first case and the second case, a part of a structure of the flexible screen is extended from or received into the case assembly along with the relative movement of the first case and the second case, and the screen support assembly is used for supporting a part of the flexible screen extended from the case assembly.

In this embodiment of the application, at the flexible in-process of screen, can utilize first support piece and second support piece to support the screen, owing to set up in one of them rolling contact of second support piece only with screen and first support piece to can reduce the sliding friction between flexible screen flexible in-process and screen or first support piece of second support piece, with the smoothness nature of improving screen concertina movement.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a contracted state of an electronic device according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of an electronic device according to an embodiment of the present application;

fig. 3 is a schematic view of an extended state of an electronic device according to an embodiment of the present application;

fig. 4 is a schematic cross-sectional view of another state of the electronic device according to the embodiment of the present application;

FIG. 5 is a schematic view of a screen support assembly supporting a flexible screen according to an embodiment;

FIG. 6 is a schematic structural diagram of a screen support assembly of an electronic device according to an embodiment;

FIG. 7 is another state diagram of the screen support assembly shown in FIG. 6;

FIG. 8 is a schematic cross-sectional view of one of the states of a screen support assembly according to an embodiment;

FIG. 9 is a schematic cross-sectional view showing another state of the screen supporting assembly according to an embodiment;

FIG. 10 is an enlarged partial schematic view of the portion A structure of the screen support assembly shown in FIG. 7;

FIG. 11 is a schematic view illustrating a connection between a second support member and a rolling member in a screen support assembly according to an embodiment;

FIG. 12 is an enlarged partial schematic view of the structure of part B of the screen support assembly shown in FIG. 7;

FIG. 13 is a schematic view showing the connection of the second support member to the rolling member in the screen support assembly according to another embodiment;

FIG. 14 is an enlarged schematic view of a portion D of FIG. 13;

FIG. 15 is a schematic cross-sectional view of a screen support assembly according to an embodiment along a second direction;

fig. 16 is a partially enlarged schematic view of the D-portion structure in fig. 15.

Reference numerals illustrate:

100. an electronic device; 10. a housing assembly; 10a, a receiving cavity; 12. a first housing; 14. a second housing; 14a, a rear cover; 20. a flexible screen; 202. a fixing part; 204. a free portion; 20a, displaying an interface; 30. a traction member; 40. a driving mechanism; 50. a screen support assembly; 51. a first support; 51a, a first support surface; 511. a groove; 512. a limit groove; 52. a second support; 52a, a second support surface; 52b, the back; 521. a spinal rod; 521a, locating pins; 522. a skeleton; 53. a rolling member; 531. a roller; 532. a shaft; 54. a sliding fit; 541. a main body portion; 542. and a sliding fit portion.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As used herein, "electronic device" refers to a device capable of receiving and/or transmitting communication signals that includes, but is not limited to, a device connected via any one or several of the following connections:

(1) Via a wireline connection, such as via a public-switched telephone network (Public Switched Telephone Networks, PSTN), a digital subscriber line (Digital Subscriber Line, DSL), a digital cable, a direct cable connection;

(2) Via a wireless interface, such as a cellular network, a wireless local area network (Wireless Local Area Network, WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter.

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

(1) Satellite phones or cellular phones;

(2) A personal communications system (Personal Communications System, PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities;

(3) A radiotelephone, pager, internet/intranet access, web browser, notepad, calendar, personal digital assistant (Personal Digital Assistant, PDA) equipped with a global positioning system (Global Positioning System, GPS) receiver;

(4) Conventional laptop and/or palmtop receivers;

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

Referring to fig. 1 and 2, an electronic device 100 provided in the embodiments of the present application may be a mobile phone or a tablet computer, which is not limited herein.

The electronic device 100 includes a housing assembly 10 and a flexible screen 20. The housing assembly 10 forms a receiving chamber 10a, and the flexible screen 20 is connected to the housing assembly 10. The electronic device 100 may further include a circuit board (not shown) and a battery (not shown), both of which may be disposed within the receiving cavity 10a of the housing assembly 10. The circuit board may integrate the processor, power management module, memory unit, baseband chip, etc. of the electronic device 100. The flexible screen 20 is communicatively coupled to the processor and a battery is capable of powering the flexible screen 20 and the electronic components on the circuit board. Of course, the electronic device 100 may further include a camera module (not shown), where the camera module is communicatively connected to the circuit board, and the battery can supply power to the camera module. It is understood that the electronic device 100 according to the embodiment of the present application includes, but is not limited to, a terminal device such as a mobile phone, a tablet computer, or other portable electronic devices 100. In the embodiment of the present application, a mobile phone will be described as an example.

As seen in fig. 3 and 4, the housing assembly 10 includes a first housing 12 and a second housing 14, the second housing 14 and the first housing 12 being capable of relative movement in a first direction. Specifically, in the present embodiment, the second housing 14 and the first housing 12 are slidably connected. In other words, the second housing 14 is capable of sliding relative to the first housing 12. For example, one of the first and second housings 12 and 14 may be provided with a slide rail along which the other can slide to enable the first and second housings 12 and 14 to move telescopically with each other.

The flexible screen 20 is connected to the first housing 12 and the second housing 14. With the relative movement of the first and second housings 12, 14, a portion of the structure of the flexible screen 20 is either deployed from within the housing assembly 10 or is stowed within the housing assembly 10 for the purpose of adjusting the deployment length of the flexible screen 20.

Further, the second housing 14 is slidable in a first direction relative to the first housing 12 to a stowed position and a deployed position. As shown in fig. 1 and 2, the electronic device 100 has a relatively small external dimension when the second housing 14 is in the folded position, and is convenient to carry. As shown in fig. 3 and 4, when the second housing 14 is in the unfolded position, the electronic device 100 can obtain a relatively large display area, so as to obtain a visual experience of a large screen display, so as to improve the use experience of the electronic device 100. Thus, with this arrangement, the area of the display screen of the flexible screen 20 (hereinafter referred to as the display interface 20 a) can be adjusted by relative sliding expansion and contraction of the first housing 12 and the second housing 14.

It should be noted that, as a structural member of the electronic device 100 for displaying or touching, the flexible screen 20 has a display area, where the display area corresponds to an area of the flexible screen 20 corresponding to a maximum display screen, or when the first housing 12 and the second housing 14 are in the extended position during the sliding and stretching process, that is, when the display interface 20a is at a maximum, the display interface 20a is the same as the display area. Since the portion of the display area of the flexible screen 20 is housed inside without being exposed during the sliding expansion and contraction of the first housing 12 and the second housing 14 with respect to each other, this portion does not take a display screen. The display interface 20a refers to a portion of the display area exposed to the first housing 12 and the second housing 14. When the display interface 20a is turned on or the screen is displayed, the content displayed on the display interface 20a can be observed by the outside of the electronic device 100.

It is to be understood that in the embodiments described hereinafter, the collapsed position, the extended position, and the like refer to the relative positions of the second housing 14 and the first housing 12. For simplicity, similar expressions of "the second housing 14 is in the collapsed position" or "in the collapsed position" refer to the second housing 14 being in the collapsed position relative to the first housing 12, and similar expressions of "the second housing 14 is in the deployed position" or "in the deployed position" refer to the second housing 14 being in the deployed position relative to the first housing 12.

As shown in fig. 2 and 4, the flexible screen 20 may include a fixed portion 202 and a free portion 204 disposed opposite to each other, where the fixed portion 202 is disposed on the first housing 12 and is fixed relative to the first housing 12. When the second housing 14 is in the folded position, the free portion 204 of the flexible screen 20 is accommodated in the case assembly 10, so that a part of the structure of the flexible screen 20 is hidden in the case assembly 10, and the part of the flexible screen 20 hidden in the case assembly 10 may not be used for display. In other words, movement of the first housing 12 relative to the second housing 14 may cause at least a portion of the free portion 204 to be deployed in the second housing 14 or the free portion 204 deployed in the second housing 14 to be received within the housing assembly 10.

It will be appreciated that in the embodiments of the present application, the positions of the two objects are relatively fixed, that is, the two objects cannot generate relative motion under normal conditions, and the two objects with relatively fixed positions may be directly connected physically, or may be indirectly connected through an intermediate structure. Taking the fixing portion 202 and the first housing 12 as examples, the positions of the fixing portion 202 and the first housing 12 may be fixed relatively, for example, the fixing portion 202 and the first housing 12 may be in direct contact, for example, the fixing portion 202 and the first housing 12 may be directly fixed by a threaded fastener or a clamping manner, or the fixing portion 202 may be indirectly fixed to the first housing 12 by a structure such as an adhesive layer or an intermediate connection plate.

It will be appreciated that the fixed portion 202 and the free portion 204 can be distinguished in the following manner, and referring to fig. 2, when the second housing 14 is in the folded position relative to the first housing 12, the portion of the flexible screen 20 exposed outside the housing assembly 10 is the fixed portion 202 of the flexible screen 20, and the portion of the flexible screen 20 accommodated in the housing assembly 10 can be regarded as the free portion 204. In some embodiments, when the second housing 14 is in the folded position, the fixing portion 202 exposed outside the housing assembly 10 is generally rectangular, and its size may be 4.5 inches to 7 inches, which is equivalent to the size of the display screen of a typical smart phone, so that the electronic device 100 is convenient to carry and use.

In some embodiments, as shown in connection with fig. 4, the electronic device 100 is provided with a traction member 30, where the traction member 30 is disposed at an end of the second housing 14 away from the first housing 12, and during the process of switching the second housing 14 from the folded position to the unfolded position relative to the first housing 12, the traction member 30 may draw the flexible screen 20 to deform so that a portion of the flexible screen 20 unfolded from the second housing 14 is flat. When the second housing 14 is in the folded position, the free portion of the flexible screen 20 bypasses the traction member 30, and the traction member 30 can limit the bending radius of the flexible screen 20 within a proper range, so as to avoid damage to the flexible screen 20 caused by too small bending radius. Of course, the traction member 30 can also avoid the excessive thickness of the electronic device 100 caused by the excessive bending radius of the flexible screen 20.

In some embodiments, the traction member 30 may be a rotating shaft structure with teeth, and the flexible screen 20 is coupled with the traction member 30 by engagement or the like. When the second housing 14 slides relative to the first housing 12, the traction member 30 moves the portion of the flexible screen 20 engaged with the traction member 30 and is extended from the housing assembly 10 or retracted into the housing assembly 10.

In other embodiments, the traction members 30 are circular shafts without accompanying teeth. During the process of switching the second housing 14 from the folded position to the unfolded position, the traction member 30 is used to prop open the part of the flexible screen 20 attached to the traction member 30, so that more flexible screen 20 is exposed to the outside of the housing assembly 10 and is in the unfolded position. In this embodiment, the traction member 30 may be rotatably disposed on the second housing 14, and the traction member 30 may rotate with the movement of the flexible screen 20 during the gradual deployment of the flexible screen 20, so as to reduce the resistance of the flexible screen 20 during the deployment and reduce the abrasion of the contact portion of the traction member 30 and the flexible screen 20.

In some embodiments, the traction member 30 may also be fixed to the second housing 14, the traction member 30 having a smooth surface. The traction member 30 is slidably contacted with the flexible screen 20 through a smooth surface thereof during the process of expanding the flexible screen 20 to the second housing 14. In other words, in such an embodiment, the traction member 30 may be integrally formed with the second housing 14 or welded, and the traction member 30 may be considered as a portion of the second housing 14, with the free portion 204 of the flexible screen 20 bypassing an end of the second housing 14 remote from the first housing 12 and extending into the housing assembly 10.

During the process of switching the second housing 14 from the folded position to the unfolded position, the flexible screen 20 can be unfolded from the second housing 14 or retracted into the housing assembly 10 under the driving of the traction member 30. It can be appreciated that a plurality of intermediate positions may also be disposed between the folded position and the unfolded position, so as to position the second housing 14 relative to the first housing 12 at the plurality of intermediate positions, and enable the flexible screen 20 to have different display areas at different intermediate positions, thereby expanding the usage scenario of the electronic device 100.

The relative movement of the first housing 12 and the second housing 14 of the electronic device 100 may be accomplished manually or electronically.

For example, when the first housing 12 and the second housing 14 are manually held by a user, the second housing 14 may be placed in the deployed position when the user moves in a direction away from each other. Accordingly, when the second housing 14 is in the unfolded position, the electronic device 100 is only required to be folded when the first housing 12 and the second housing 14 are moved in a direction approaching each other.

As shown in connection with fig. 2 and 4, a drive mechanism 40 may be provided within the housing assembly 10 of the electronic device 100 when electronically controlled. Specifically, the driving mechanism 40 is disposed in the accommodating cavity 10a of the housing assembly 10, and is used for driving the first housing 12 and the second housing 14 to relatively move, so that the second housing 14 drives the flexible screen 20 to be unfolded from the housing assembly 10 or to be retracted into the housing assembly 10.

In some embodiments, the first housing 12 and the second housing 14 are connected to the driving mechanism 40 and move relatively under the driving of the driving mechanism 40. Specifically, the driving mechanism 40 has a fixed portion and a movable portion, and the movable portion is movable relative to the fixed portion when the driving mechanism 40 is operated. The fixed portion is connected with the first housing 12, and the movable portion is connected with the second housing 14 and is used for driving the second housing 14 to move relative to the first housing 12.

The second housing 14 may also include a rear cover 14a, the rear cover 14a covering the free portion 204 of the flexible screen 20 in the deployed position.

Further, the rear cover 14a may be provided with a light-transmitting area, and the portion of the flexible screen 20 that is received in the housing assembly 10 in the unfolded position may also be used for displaying, so that a user can view information displayed on the flexible screen 20 from the light-transmitting area, and further expand the usage scenario of the electronic device 100. For example, in this embodiment, the electronic device 100 can realize functions such as self-timer, video call, and the like by using a rear camera module without providing a front camera. The light-transmitting region may be made of transparent glass or may be formed by opening the rear cover 14 a. After the second housing 14 slides to the retracted position relative to the first housing 12, at least a portion of the flexible screen 20 housed in the housing assembly 10 is exposed. The exposed flexible screen 20 may be used for display such that the electronic device 100 has a relatively large display area to enhance the user's use experience.

Referring to fig. 5, the electronic device 100 includes a screen support assembly 50, where the screen support assembly 50 is used for supporting a portion of the flexible screen 20 that extends out from the housing assembly 10, so that the display interface 20a of the flexible screen 20 maintains good flatness, and the texture of the display screen is improved.

Specifically, as shown in connection with fig. 6 to 9, the screen support assembly 50 includes a first support 51, a second support 52, and a rolling member 53.

The first supporting member 51 has a first supporting surface 51a, the first supporting surface 51a is provided with a plurality of grooves 511, and the plurality of grooves 511 extend along a first direction and are arranged parallel to each other along a second direction, and the second direction is perpendicular to the first direction. The second supporting member 52 includes a spine 521, and a plurality of frames 522 connected to the spine 521, where the frames 522 are arranged in a comb shape, and the frames 522 are movably disposed in the grooves 511, and the frames 522 have a second supporting surface 52a, and the second supporting surface 52a and the first supporting surface 51a are used together to support the flexible screen 20. Because recess 511 extends in the first direction, backbone 522 is movable in the first direction within recess 511 to allow relative movement of first support 51 and second support 52 in the first direction as flexible screen 20 is telescoped with housing assembly 10 in the first direction to accommodate the need to support the portion of flexible screen 20 that is being extended from housing assembly 10.

The first support 51 is fixed relative to the first housing 12 and the spine 521 is fixed relative to the second housing 14 such that the backbone 522 on the spine 521 moves with the second housing 14. So that when the first housing 12 and the second housing 14 move relatively in the first direction, the skeleton 522 moves in the first direction relative to the first supporting member 51 under the driving of the second housing 14, and then the skeleton 522 moves along the corresponding groove 511 to provide support for the flexible screen 20.

In the embodiment of flexible screen 20 having fixed portion 202 and free portion 204, as shown in fig. 5 and 6, fixed portion 202 is connected to first support 51, and free portion 204 surrounds the side of second support 52 adjacent to spine 521 and is movable relative to second support 52 with the relative movement of first and second housings 12 and 14 so that first and second supports 51 and 52 are always capable of supporting the components of flexible screen 20 that are deployed from housing assembly 10 as flexible screen 20 expands or contracts with the relative movement of first and second housings 12 and 14.

The backbone bar 521 may be snap-fit with the second housing 14 or the backbone bar 521 may be screw-coupled with the second housing 14. The manner of connection between the spine 521 and the second housing 14 is not limited herein. By coupling the spine 521 with the second housing 14, the spine 521 is able to move with the second housing 14 relative to the first support 51. For example, as shown in conjunction with fig. 8 and 9, when the second housing 14 moves, the second support 52 moves with the second housing 14 relative to the first support 51, and the first support 51 and the second support 52 together support the expanded portion of the flexible screen 20. Since the rolling member 53 is in rolling contact with only one of the flexible screen 20 and the first support member 51 during the unfolding process of the flexible screen 20, sliding friction caused by the fact that the rolling member 53 is simultaneously in contact with the flexible screen 20 and the first support member 51 is avoided, and smoothness of telescopic movement of the flexible screen 20 is effectively improved.

It should be noted that the number of rolling members 53 may be plural, and the plural rolling members 53 are connected to the plural skeletons 522 and movable along the grooves 511 along with the skeletons 522, and the rolling members 53 are adapted to be in rolling contact with one of the flexible screen 20 and the first support member 51. So that sliding friction between the frame 522 and the first support 51 or between the frame 522 and the flexible screen 20 is reduced by rolling friction between the rolling members 53 and the corresponding structural members, thereby enabling smooth deployment of the flexible screen 20.

Referring to fig. 10, the skeleton 522 has a back 52b opposite to the second supporting surface 52a, the skeleton 522 is provided with a mounting groove penetrating through the second supporting surface 52a and the back 52b, the rolling element 53 is mounted on the mounting groove, and the rolling element 53 extends out of the mounting groove from the second supporting surface 52a and the back 52b, and the rolling diameter of the rolling element 53 is smaller than the distance between the screen and the bottom wall of the groove 511, so that the rolling element 53 can only contact with one of the flexible screen 20 and the bottom wall of the groove 511 in a rolling manner, thereby effectively improving the smoothness of the relative movement of the first supporting element 51 and the second supporting element 52.

In other embodiments, the second supporting surface 52a is provided with a mounting groove, the rolling element 53 is mounted in the mounting groove, and the rolling element 53 extends from the mounting groove to the side of the second supporting surface 52a of the skeleton 522 and is used for rolling contact with the flexible screen 20. In other embodiments, the frame 522 has a back 52b opposite to the second supporting surface 52a, the back 52b is provided with a mounting groove, the rolling element 53 is mounted on the mounting groove, and the rolling element 53 extends from the mounting groove to the side of the back 52b of the frame 522 and is used for rolling contact with the first supporting element 51.

With continued reference to fig. 10, in some embodiments, the rolling member 53 includes a roller 531 and a shaft 532, the roller 531 being rotatably coupled to the backbone 522 via the shaft 532.

Further, the first supporting member 51 and the second supporting member 52 are made of metal, and the roller 531 is made of polyoxymethylene, polyvinylidene fluoride or nylon 65.

In other embodiments, the rolling members 53 comprise cylindrical or spherical balls, with ball retainers disposed in the mounting grooves, and the cylindrical or spherical balls are coupled to the backbone 522 by the ball retainers.

The rolling member 53 is disposed at an end of the frame 522 away from the spine 521, and in the fully unfolded state of the flexible screen 20, the rolling member 53 is still positioned in the recess 511, specifically, the second supporting member 52 always has an overlapping portion with the first supporting member 51 in the third direction, so that the screen supporting assembly 50 can effectively support the flexible screen 20. Wherein the third direction is perpendicular to the first direction and the second direction.

The number of the rolling members 53 provided on the frame 522 is not limited, and for example, as shown in fig. 6 and 7, one rolling member 53 is provided on each frame 522. As another example. In some embodiments, a plurality of rolling elements 53, such as 2 or more rolling elements 53, are provided on each backbone 522. For example, as shown in fig. 11, 2 rolling members 53 are provided on each frame 522, so that the rolling members 53 can make the frame 522 stably support the flexible screen 20 by supporting the frame 522 while providing smoothness of movement of the frame 522 in the groove 511 by the rolling members 53.

As shown in fig. 12 to 14, the screen support assembly 50 includes a sliding engagement member 54, a groove wall of the groove 511 is provided with a limiting groove 512 extending along a first direction, the sliding engagement member 54 is connected with the frame 522, the sliding engagement member 54 is slidably engaged with the limiting groove 512, and then the sliding engagement member 54 slides along the limiting groove 512 when the first support member 51 and the second support member 52 relatively move along the first direction. In this embodiment, the sliding fit piece 54 is used for limiting the skeleton 522 along the second direction, so that a gap is kept between the skeleton 522 and the side wall of the groove 511, specifically, due to the matching of the sliding fit piece 54 and the limiting groove 512, a gap exists between the skeleton 522 and the side wall of the groove 511, then the contact surface between the skeleton 522 and the first support piece 51 is reduced, so that the contact friction force between the first support piece 51 and the second support piece 52 is reduced, the friction resistance between the first support piece 51 and the second support piece 52 is small, and the first support piece 51 and the second support piece 52 can smoothly move while supporting the flexible screen 20.

As shown in fig. 13, the slip fit 54 is disposed at an end of the frame 522 remote from the spine 521 such that the slip fit 54 provides a slip-aiding effect at the end of the frame 522.

In some embodiments, the sliding fitting 54 is made of polyoxymethylene, polyvinylidene fluoride or nylon 65, so that the sliding fitting 54 has a self-lubricating property, and the smoothness of the relative movement of the first support 51 and the second support 52 is improved.

As shown in fig. 13 and 14, the sliding fitting 54 includes a main body 541 and a sliding fitting portion, which are connected, the main body 541 is connected to the frame 522, and the sliding fitting portion protrudes from a side surface of the frame 522 and is slidably fitted in the limiting groove 512.

As shown in fig. 15 and 16, in the second direction, there is a gap between the sliding fit portion and the groove wall of the limiting groove 512, and the gap between the sliding fit portion and the groove wall of the limiting groove 512 is smaller than the gap between the skeleton 522 and the groove wall of the groove 511, so that in the moving process of the skeleton 522 along the groove 511, the sliding fit portion preferentially contacts the groove wall of the limiting groove 512 in the second direction, so that the skeleton 522 does not contact the groove wall of the groove 511, and the contact friction force between the skeleton 522 and the groove wall of the groove 511 is reduced, so that the movement of the skeleton 522 in the groove 511 is smoother, the smoothness of the telescopic movement of the screen support assembly 50 along with the shell assembly 10 is improved, and the smooth telescopic movement of the flexible screen 20 is ensured while good support is provided for the flexible screen 20.

In some embodiments, there is a gap between the slip fit portion and the groove wall of the limit groove 512 in the third direction, i.e., in the third direction, the slip fit portion is not in contact with the groove wall of the limit groove 512, so that the slip fit portion smoothly moves along the limit groove 512. In this embodiment, the gap between the sliding engagement portion and the wall of the limit groove 512 is larger than the gap between the rolling member 53 and the wall of the groove 511. Through this structure arrangement, the rolling member 53 can be preferentially contacted with the wall of the groove 511 in the third direction, so that rolling friction is formed between the rolling member 53 and the wall of the groove 511, and compared with sliding friction between the sliding fit portion and the wall of the limit groove 512, friction resistance in the process of moving the skeleton 522 along the groove 511 can be further reduced, so that smoothness of telescopic movement of the screen support assembly 50 along with the shell assembly 10 is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (13)

1. A screen support assembly, comprising:

the first supporting piece is provided with a first supporting surface, the first supporting surface is provided with a plurality of grooves, the grooves extend along a first direction and are parallel to each other and are distributed along a second direction, the second direction is perpendicular to the first direction,

the second supporting piece comprises a backbone strip and a plurality of skeletons connected with the backbone strip, the skeletons are arranged in a comb tooth shape, the skeletons are movably arranged in the grooves, the skeletons are provided with a second supporting surface, and the second supporting surface and the first supporting surface are used for supporting a screen together;

the rolling elements are connected with the skeletons and can move along the grooves along with the skeletons, and the rolling elements are used for being in rolling contact with one of the screen and the first supporting element.

2. The screen support assembly of claim 1, wherein the second support surface is provided with a mounting groove, the rolling element is mounted in the mounting groove, and the rolling element extends out of the mounting groove from the side of the second support surface of the framework and is used for rolling contact with the screen;

or the framework is provided with a back surface opposite to the second supporting surface, the back surface is provided with a mounting groove, the rolling element is mounted in the mounting groove, and extends out of the side of the back surface of the framework from the mounting groove and is used for rolling contact with the first supporting element;

or, the skeleton has with the back that the second holding surface is on the back, the mounting groove has been seted up to the skeleton, the mounting groove runs through the second holding surface with the back, the rolling element install in the mounting groove, just the rolling element follow the mounting groove stretch out in the second holding surface with the back, the rolling diameter of rolling element is less than the screen with interval between the diapire of recess.

3. The screen support assembly of claim 2 wherein the rolling element comprises a roller and a shaft, the roller being rotatably coupled to the frame by the shaft.

4. A screen support assembly according to claim 3, wherein the first support member and the second support member are made of metal material, and the roller is made of polyoxymethylene, polyvinylidene fluoride or nylon 65.

5. The screen support assembly of claim 2, wherein the rolling members comprise cylindrical balls or spherical balls, and wherein ball holders are disposed in the mounting grooves, and wherein the cylindrical balls or the spherical balls are connected to the frame through the ball holders.

6. The screen support assembly of claim 1, wherein the screen support assembly includes a slip fit member, a groove wall of the groove is provided with a limit groove extending along the first direction, the slip fit member is connected with the skeleton, the slip fit member is in slip fit with the limit groove, and the slip fit member is used for limiting the skeleton along the second direction, so that a gap is maintained between the skeleton and a side wall of the groove.

7. The screen support assembly of claim 6, wherein the slip fit is polyoxymethylene, polyvinylidene fluoride or nylon 65.

8. The screen support assembly of claim 6, wherein the slip fit member comprises a body portion and a slip fit portion connected, the body portion being connected to the backbone, the slip fit portion protruding from a side of the backbone and being slip fit with the limit slot.

9. The screen support assembly of claim 8, wherein in the second direction, a gap exists between the slip fit portion and a wall of the limit groove, and the gap between the slip fit portion and the wall of the limit groove is smaller than the gap between the backbone and the wall of the groove;

and/or, along a third direction, a gap exists between the sliding fit part and the groove wall of the limiting groove, and the gap between the sliding fit part and the groove wall of the limiting groove is larger than the gap between the rolling piece and the groove wall of the groove, wherein the third direction is perpendicular to the first direction and the second direction.

10. The screen support assembly of claim 6 wherein the slip fit is disposed at an end of the frame remote from the spine.

11. The screen support assembly of claim 1, wherein the rolling elements are disposed at an end of the skeletons remote from the spine or a plurality of rolling elements are disposed on each of the skeletons.

12. An electronic device comprising a housing assembly including a first housing and a second housing, the first housing and the second housing being relatively movable in a first direction, a flexible screen coupled to the first housing and the second housing, a portion of the flexible screen being structured to extend from or retract into the housing assembly in response to the relative movement of the first housing and the second housing, and a screen support assembly as claimed in any one of claims 1-11 for supporting a portion of the flexible screen extending from the housing assembly.

13. The electronic device of claim 12, wherein the first support is fixed relative to the first housing and the spine is fixed relative to the second housing, the flexible screen has a fixed portion and a free portion, the fixed portion is connected to the first support, and the free portion surrounds a side of the second support adjacent to the spine and is movable relative to the second support with relative movement of the first housing and the second housing.

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