CN115529371A

CN115529371A - Electronic equipment

Info

Publication number: CN115529371A
Application number: CN202110713522.6A
Authority: CN
Inventors: 李鹏飞; 刘振华
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-12-27

Abstract

The present disclosure provides an electronic device, which includes a housing including a first housing and a second housing, wherein the first housing and the second housing enclose to form an accommodating structure having an opening. The sliding rail mechanism comprises an elastic component. And the second shell is connected with the first shell and is arranged on the first shell in a sliding manner along the first direction. The first end and the elastic component cooperation of flexible display screen are connected, and elastic component provides the elastic force towards first casing to flexible display screen. The second end of the flexible display screen is connected with the first shell to cover the opening. The sensor assembly is arranged on the sliding rail mechanism and used for detecting a first displacement of the side, close to the opening, of the flexible display screen relative to the sliding rail mechanism and a second displacement of the side, far away from the opening, of the flexible display screen relative to the sliding rail mechanism. The sliding rail mechanism adjusts the moving speed relative to the first shell according to the difference value of the first displacement and the second displacement, and keeps synchronous with the withdrawing speed of the flexible display screen driven by elastic force, so that the flexible display screen is more smooth when being withdrawn.

Description

Electronic equipment

Technical Field

The utility model relates to a flexible screen product technical field especially relates to an electronic equipment.

Background

With the continuous progress of screen technology, the scale and volume production of the folding flexible screen, the worldwide 0.01mm thick flexible display screen is made, so that the terminal product forms are more and more abundant, and from the intelligent home worn by the user to the smart phone terminal, the ultrathin flexible screen can enable future product design to be multidirectional, such as folding mobile phones, annular mobile phones and end products with different curved surfaces. Meanwhile, all intelligent products are electrically connected due to the arrival of the 5G, so that the data transmission is accelerated, some modules of the intelligent terminal products can be separated from the intelligent terminal products, and functions such as a photographing module and a BOX acoustic module can also be realized. The battery technology is further developed, so that the size of a terminal product is smaller, the battery capacity is higher, and the design form of the terminal product is more flexible.

Along with the promotion of people to flexible screen product requirement, when handling different job tasks like seeing the video, when making a telephone call, need through increase or reduce display area in order to promote product experience degree, mainly include two kinds of screen extension structures at present: folding screen structure and flexible screen structure.

Disclosure of Invention

The present disclosure provides an electronic device to solve at least some problems in the related art.

An embodiment of the present disclosure provides an electronic device, including:

the shell comprises a first shell and a second shell, and the first shell and the second shell enclose to form an accommodating structure with an opening;

the sliding rail mechanism comprises an elastic component; the sliding rail mechanism is arranged in the accommodating structure and connected with the second shell, and the sliding rail mechanism is arranged on the first shell in a sliding manner along a first direction;

the first end of the flexible display screen is connected with the elastic component in a matched mode, and the elastic component provides elastic force towards the first shell for the first end of the flexible display screen; the second end of the flexible display screen is connected with the first shell to cover the opening;

the sensor assembly is arranged on the slide rail mechanism and used for detecting a first displacement of one side, close to the opening, of the flexible display screen relative to the slide rail mechanism and a second displacement of one side, far away from the opening, of the flexible display screen relative to the slide rail mechanism;

when the sliding rail mechanism moves relative to the first shell along the first direction, the second shell, the sliding rail mechanism and the first end of the flexible display screen are driven to move together; and the sliding rail mechanism adjusts the moving speed relative to the first shell according to the difference value between the first displacement and the second displacement.

In some possible embodiments, the sensor assembly includes a first sensor and a second sensor, the first sensor being located near a side of the opening for detecting the first amount of displacement; the second sensor is located on a side away from the opening and is used for detecting the second displacement.

In some possible embodiments, the slide rail mechanism further includes a rotating shaft assembly, and the second end of the flexible display screen is connected to the first housing after being wound around the rotating shaft assembly; the first sensor and the second sensor are distributed on two sides of the rotating shaft assembly.

In some possible embodiments, the slide rail mechanism further includes a bracket and a sliding member, the bracket is disposed on the second housing and slidably disposed on the first housing along the first direction, a first end of the elastic assembly is connected to the bracket, and a second end of the elastic assembly is connected to the sliding member so as to be cooperatively connected to the first end of the flexible display screen;

when the bracket moves relative to the first shell along the first direction, the bracket drives the second shell, the sliding part, the first end of the flexible display screen and the second end of the elastic component to move together; the bracket adjusts the speed of movement relative to the first housing according to the difference between the first displacement and the second displacement.

In some possible embodiments, the electronic device includes an extended state and a retracted state;

when the electronic equipment is switched from the retracted state to the deployed state, the bracket moves in a direction away from the first shell, and the elastic assembly provides an elastic force pointing to the first shell to the sliding piece;

when the electronic equipment is switched from the unfolding state to the folding state, the bracket moves along the direction close to the first shell, and the sliding piece moves along the direction close to the first shell under the driving of the elastic force; and the bracket adjusts the speed of moving relative to the first shell according to the difference between the first displacement and the second displacement so that the first displacement is not greater than the second displacement.

In some possible embodiments, when the electronic device is switched from the extended state to the retracted state, if the first displacement amount is less than or equal to the second displacement amount, the bracket maintains a moving speed relative to the first housing; if the first displacement is larger than the second displacement, the support reduces the speed of moving relative to the first shell.

In some possible embodiments, the sensor assembly further comprises a controller and a drive mechanism electrically connected to the controller, the controller being electrically connected to the sensor assembly; the driving mechanism is arranged on the first shell and used for driving the bracket to move relative to the first shell along the first direction;

the controller adjusts the driving speed of the driving mechanism for driving the support to move according to the difference value between the first displacement and the second displacement so as to change the speed of the support moving relative to the first shell.

In some possible embodiments, the driving mechanism comprises a driving motor, a screw connected with the driving motor, and a nut sleeved on the screw; the driving motor is arranged on the first shell and electrically connected with the controller, the screw rod extends along the first direction, and the nut is abutted with the bracket; the driving motor drives the screw rod to rotate, the nut moves along the first direction relative to the screw rod, and the bracket is driven to move along the first direction relative to the first shell;

the controller adjusts the rotating speed of the driving motor for controlling the rotation of the screw according to the difference value between the first displacement and the second displacement so as to change the moving speed of the nut relative to the screw, and further change the driving speed of the driving mechanism for driving the support to move.

In some possible embodiments, the bracket is provided with a plurality of guide rails, and the guide rails extend along the first direction;

the elastic component comprises at least one first elastic piece and at least one second elastic piece, the first end of the first elastic piece is connected with the support, the second end of the first elastic piece is connected with the sliding piece, at least one guide rail is sleeved with the second elastic piece, and the sliding piece is arranged on the guide rails in a sliding mode.

In some possible embodiments, the first elastic member includes an arc-shaped main body portion, a first connecting portion connected to one end of the arc-shaped main body portion, and a second connecting portion connected to the other end of the arc-shaped main body portion, the first connecting portion is connected to the bracket, and the second connecting portion is connected to the sliding member;

when the sliding part slides along the guide rail, the second connecting part is driven to move, so that the first elastic part is deformed.

The electronic equipment that this disclosure provided detects through sensor module that flexible display screen is close to the relative slide rail mechanism's of open-ended one side first displacement volume and flexible display screen are kept away from the relative slide rail mechanism's of open-ended one side second displacement volume, when slide rail mechanism removed the messenger flexible display screen and expandes relative first casing, elastic component can provide the elastic force towards first casing to flexible display screen. When the flexible display screen is withdrawn, the sliding rail mechanism adjusts the speed of moving relative to the first shell according to the difference value of the first displacement and the second displacement, and keeps synchronous with the speed of withdrawing the flexible display screen driven by elastic force, so that the flexible display screen is more smooth when being withdrawn, and the problems of screen bulging, distortion and the like in vision are prevented.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is an exploded view of a telescoping screen configuration according to an exemplary embodiment of the present disclosure;

FIG. 2 is an exploded view of a slide rail mechanism according to an exemplary embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a slide rail mechanism according to an exemplary embodiment of the present disclosure;

FIG. 4 is a cross-sectional view taken along the line X-X of FIG. 3;

FIG. 5 is an enlarged partial schematic view at A of FIG. 4;

fig. 6 and 7 are schematic views of an electronic device according to an exemplary embodiment of the present disclosure in a retracted state and an extended state of a flexible display screen;

FIG. 8 is a diagram illustrating a comparison of an electronic device with a flexible display in a retracted state and in an extended state according to an exemplary embodiment of the present disclosure;

fig. 9 is a schematic structural diagram of an electronic device according to an exemplary embodiment of the present disclosure after a housing is removed.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. Unless otherwise defined, technical or scientific terms used herein should have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and the like, as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The present disclosure provides an electronic device, which will be described in detail below with reference to the accompanying drawings, and features in the following embodiments and implementations may be combined with each other without conflict.

Referring to fig. 1 to 3, an embodiment of the present disclosure provides a slide rail mechanism for a retractable screen structure, including: bracket assembly 10 and glide track assembly 20. The carriage assembly 10 comprises a carriage 11, said carriage 11 being provided with a plurality of guide rails 24, said guide rails 24 extending in a first direction X (shown in fig. 3 as vertical). The slide rail assembly 20 includes a slider 22 and a resilient assembly 230 for coupling the flexible display screen 90 of the telescopic screen structure. The elastic assembly 230 includes at least one first elastic member 231 and at least one second elastic member 232, a first end 2311 of the first elastic member 231 is connected with the bracket 11, a second end 2312 of the first elastic member 231 is connected with the slider 22, and the second elastic member 232 is sleeved on at least one of the guide rails 24. The sliding member 22 is slidably disposed on the plurality of guide rails 24 along the first direction X, and when the sliding member 22 slides along the guide rails 24, the first elastic member 231, the second elastic member 232 and the flexible display 90 are driven to move together to move the elastic component 23030, which is stretched or compressed under the driving of the sliding member 22 to generate deformation, so as to generate a pretension force on the flexible display 90. It will be appreciated that the sliding member 22 slides along the guide rail 24 along the arrow direction in fig. 3 relative to the bracket 11, and presses the first elastic member 231 and the second elastic member 232 of the elastic assembly 230, so that the elastic assembly 230 generates a reverse pulling force on the flexible display screen, and the flexible display screen is maintained in a flat state when being unfolded.

Through the arrangement, according to the slide rail mechanism provided by the disclosure, the sliding part 22 moves along the first direction X relative to the support 11 along the guide rail 24, and can drive the flexible display screen 90 of the telescopic screen structure to move together, so that the flexible display screen 90 is unfolded and retracted. The sliding member 22 drives the first elastic member 231 and the second elastic member 232 of the elastic component 230 to move together, so as to stretch or extrude the elastic component 230, generate a pretension force on the flexible display screen 90, make the flexible display screen 90 more flat when being unfolded, and prevent the problems of screen bulging, twisting and the like caused by sliding of the whole machine in vision.

Referring to fig. 4 and 5, in some possible embodiments, the guide rail 24 includes a guide rod 240, the guide rod 240 extends along the first direction X, and the guide rod 240 is sleeved with the second elastic element 232. The sliding member 22 is provided with a plurality of sliding grooves 220 corresponding to the number of the guide rods 240, and the guide rods 240 are sleeved with the sliding grooves 220. The sliding member 22 is slidably disposed on the guide rail 24 through the sliding slot 220, and when the sliding member 22 slides along the guide rail 24, the second elastic member 232 sleeved on the guide rod 240 is driven to move and deform. It can be understood that the sliding direction of the slider 22 is limited to the extending direction along the guide rail 24, i.e. the first direction X, by the sleeve-fit of the sliding slot 220 and the guide rod 240, so that the slider 22 is prevented from moving away from the guide rail 24. Alternatively, the number of the guide rails 24 is an even number, and the guide rails are symmetrically arranged on the bracket 11. The number of the second elastic members 232 corresponds to the number of the guide rails 24, and each of the guide rails 24 is sleeved with one of the second elastic members 232. In this embodiment, the number of the guide rails 24 is six, and the guide rails are symmetrically disposed on the bracket 11, so that the sliding member 22 is more stable when sliding. In other examples, other numbers of guide rails 24 are possible, as the present disclosure is not limited in this regard.

In some possible embodiments, the slide rail assembly 20 further includes at least one limit stop 25, which is disposed at an end (the upper end in fig. 3) of the bracket 11 far from the bracket 11, and the sliding member 22 is provided with a limit portion 221 that is in abutting engagement with the limit stop 25. The limit stopper 25 is abutted and engaged with the limit portion 221 of the slider 22, and can limit the initial position of the slider 22 and prevent the slider 22 from being separated from the guide rail 24. In the present embodiment, the position-limiting portions 221 may be understood as grooves, the number of the position-limiting stoppers 25 is two, and the position-limiting stoppers are symmetrically disposed on the bracket 11, and the number of the position-limiting portions 221 is two and is disposed corresponding to the position-limiting stoppers 25, which is not limited in the present disclosure. In the example shown in fig. 3, the limit stop 25 is arranged at the upper end of the holder 11, the starting position of the slider 22 is located at the upper end of the holder 11, and the elastic element 230 is in a pretensioned state, applying an elastic pretension to the slider 22, and thereby holding the slider 22 in the starting position.

In some possible embodiments, the guide rod 240 is sleeved with a plastic member 224, and the sliding groove 220 is sleeved on the plastic member 224. The plastic member 224 can reduce the friction between the h-shaped sliding groove 220 and the guide rail 24, reduce the abrasion and ensure smooth sliding. In this embodiment, the plastic member 224 may be a POM (Polyoxymethylene) plastic, which is a self-lubricating plastic. The sliding groove 220 of the sliding member 22 and the plastic member 224 can be combined together as a single component through an insert-molding process (insert-molding), so that the sliding member 22 can only slide along the extending direction of the guide rail 24, i.e. the first direction X, to prevent the sliding member from falling off, thereby improving the structural stability.

In some possible embodiments, the first elastic member 231 includes an arc-shaped body portion 233, a first connecting portion 234 connected to one end of the arc-shaped body portion 233, and a second connecting portion 235 connected to the other end of the arc-shaped body portion 233, the first connecting portion 234 is connected to the bracket 11, and the second connecting portion 235 is connected to the sliding member 22. When the sliding member 22 slides along the guide rail 24, the second connecting portion 235 is driven to move, so that the first elastic member 231 is deformed, and a reverse elastic force is generated on the sliding member 22 and the flexible display screen, so that the flexible display screen is kept flat when being unfolded. Alternatively, the first elastic member 231 and the second elastic member 232 may be a spring, a tension spring, or other metal spring, and may have a pretension when assembled, so as to maintain the slider 22 at the initial position. When the sliding member 22 slides along the guide rail 24 relative to the bracket 11, the second connecting portion 235 of the first elastic member 231 and the second elastic member 232 are driven to move, so that the first elastic member 231 and the second elastic member 232 are deformed to generate a reverse elastic force on the sliding member 22. In the present embodiment, the arc-shaped main body 233 has a C-shape, and it is understood that the first elastic member 231 may be a C-shaped spring. The number of the first elastic members 231 is two, and the first elastic members are symmetrically disposed between the bracket 11 and the sliding member 22. The number of the second elastic members 232 is plural, a part of the second elastic members 232 is disposed between the two first elastic members 231, and the other part of the second elastic members 232 is disposed outside the two first elastic members 231. Through the hybrid use and the interval setting of two kinds of elastic members, can improve the whole elastic force of elastic component 230 to provide bigger elastic force to the flexible display screen, thereby the flexible display screen can have longer expansion stroke in the time. The elastic force can be kept basically constant, and the tension force of the flexible display screen is stable.

The carriage 11 may be provided with a guide groove arranged along the first direction X for assembling the guide rail 24. In assembly, the second connecting portion 235 of the first elastic member 231 and the sliding member 22 are first riveted together. Then, the guide rod 240 of the guide rail 24 is inserted along the guide groove of the lower side of the bracket 11, the sliding groove 220 and the second elastic member 232 of the sliding member 22 are inserted onto the guide rod 240 of the guide rail 24, and after the guide rod 240 is completely installed in the bracket 11, the tail end of the guide rod 240 is firmly fixed to the bracket 11 by spot welding. Finally, the first connecting portion 234 of the first elastic element 231 is fixed on the bracket 11 by riveting, and the assembly of the slide rail assembly 20 and the bracket 11 is completed.

In some possible embodiments, the support 11 may be a stamped metal plate, or a hollow-out weight-reducing design is adopted according to the spatial layout of the whole machine, so that the position with a large influence on the strength is conveniently adjusted to increase the space, the space utilization rate is better, and the light and thin effect of the whole machine can be achieved. The flexible display screen 90 is secured to the slider 22 of the slide assembly 20. The sliding member 22 can be formed by co-molding SUS stainless steel plate and POM plastic. The stainless steel plate can be used as a main body to play a role in supporting strength, and the sliding grooves can be formed by injection molding of POM plastic and can slide with the guide rails 24 to reduce friction force. The limit stopper 25 may be made of plastic material, and may limit the initial position of the sliding member 22 and prevent the sliding member 22 from separating from the guide rail 24. The guide rail 24 may be formed by a stainless steel stamping process and fixed to the bracket 11 by spot welding. And cooperates with the sliding slot 220 of the sliding member 22 to form a barbed structure to prevent the sliding member 22 from moving away from the guide rail 24 when sliding. The exposed surface of the slider 22 can be adhesively secured to the flexible display 90 as an adhesive area 226. The guide 240 may be a cylindrical rod made of metal.

Referring again to fig. 1, the disclosed embodiment provides a telescopic screen structure, including the sliding rail mechanism and the flexible display screen 90 as described in the above embodiment. A rotating shaft component 12 is arranged on one side of the bracket 11 far away from the slide rail component 20, and the axial direction of the rotating shaft component 12 is perpendicular to the first direction X. The first end of the flexible display screen 90 is connected to the sliding member 22, and the second end of the flexible display screen 90 is wound around the rotating shaft assembly 12.

Through the above arrangement, the sliding member 22 moves along the first direction X relative to the bracket 11, and can drive the flexible display screen 90 to move together, so as to realize the expansion and retraction of the flexible display screen 90. The sliding part 22 drives the elastic component 230 to move together, so that the elastic component 230 is stretched, a pretension force can be generated on the flexible display screen 90, the flexible display screen 90 is more flat when being unfolded, and the problems of screen bulging, distortion and the like caused by sliding of the whole machine in vision are prevented.

In some possible embodiments, the spindle assembly 12 includes a spindle mount 121, a spindle 122, and a wheel 123. The rotating shaft support 121 is disposed on a side of the bracket 11 away from the sliding rail assembly 20. The rotating shaft 122 is inserted into the rotating shaft support 121. The rotating wheel 123 is sleeved on the rotating shaft 122, and the second end of the flexible display screen 90 is wound on the rotating wheel 123. When the flexible display 90 moves along with the sliding member 22, the rotating wheel 123 rotates passively, so that the flexible display 90 is unfolded and retracted more smoothly.

In this embodiment, the flexible display 90 is formed by bonding a flexible OLED screen to a very thin stainless steel mesh, and has great flexibility. The plurality of the shaft supports 121 may be provided at intervals in a second direction perpendicular to the first direction X. The number of the rotating wheels 123 may be plural, one rotating wheel is assembled between two adjacent rotating shaft holders 121, and the rotating wheels may be divided into a large rotating wheel and a small rotating wheel according to the size between two adjacent rotating shaft holders 121, and are assembled at suitable positions. Engineering plastic POM injection molding can be adopted, a middle through hole is formed, the bearing 1230 can be placed in grooves at two ends of the middle through hole and sleeved on the rotating shaft 122, and the rotating shaft 122 can passively rotate on the rotating shaft 122 through the bearing 1230 after being assembled. The shaft 122 may be a D-shaped shaft, and the section of the D-shaped shaft is mainly used to fix the inner ring of the bearing and prevent the inner ring of the bearing and the shaft from rotating. Stainless steel can be used and the plurality of rotating shaft supports 121 are arranged in a penetrating mode. The two ends of the shaft 122 may be provided with threads 1220, which may be fixed to the middle frame of the electronic device by fasteners such as screws 126, thereby fixing the shaft. The screw 126 may be made of metal. The screw can comprise a primary screw and a secondary screw, one end of the primary screw is a screw rod, and the primary screw penetrates through the screw gasket and is locked on the rotating shaft to lock the screw gasket and the rotating shaft. The bearings 1230 are made of stainless steel or ceramic, and are mounted on the rotating wheels 123, and a bearing 1230 and a bearing gasket are respectively mounted at two ends of each rotating wheel 123. The bearing pad can be made of metal. When the installation runner was gone up to the pivot, a bearing gasket was all placed to the both sides of every runner, passed the hole of gasket with the pivot, passed through the screw locking back at the pivot both ends, and the screw gasket plays the fixed bearing inner circle, prevents that the bearing inner circle from following the bearing inner circle and rotating together to have the effect with bearing and support ground connection.

Referring to fig. 6 to 8, an embodiment of the present disclosure provides an electronic device, which may be a mobile phone, a mobile terminal, a tablet computer, a notebook computer, a terminal handheld device with a screen, an in-vehicle display device, or the like. The electronic device includes a housing, a retractable screen structure as described in the above embodiments, and a driving assembly 990.

The housing comprises a first housing 91 and a second housing 92 arranged on the first housing 91 in a sliding manner along the first direction X, and the first housing 91 and the second housing 92 enclose to form an accommodating structure 991 with an opening. The retractable screen structure is disposed in the accommodating structure 991, the rotating shaft assembly 12 is located at a side close to the second housing 92, the first end 901 of the flexible display screen 90 is located at a side close to the bottom of the housing, and the second end 902 of the flexible display screen 90 is connected to the first housing 91 to cover the opening. The driving component 990 is disposed in the accommodating structure 991 and connected to the first housing 91, and the driving component 990 is connected to the slide rail mechanism for driving the bracket 11 to move along the first direction X. Optionally, the first casing 91 may be provided with a supporting plate 93, the second end of the flexible display 90 is connected to the supporting plate 93, and the supporting plate 93 may support and protect the flexible display 90. In this embodiment, the driving assembly 990 is connected to the bracket 11 of the slide rail mechanism.

The driving assembly 990 drives the slide rail mechanism to move along the first direction X, so as to drive the second housing 92, the slide rail assembly 20, the first end of the flexible display screen 90, and the sliding element 22 to move along the first direction X relative to the first housing 91, so that the flexible display screen 90 is switched between the retracted state and the extended state.

As shown in fig. 6, the sliding member 22 is pre-stressed by the two elastic members of the elastic member 230 in the initial position, and the flexible display 90 is in the retracted state due to the position-limiting stopper 25 and maintains the resting state in the initial position.

The driving component 990 is fixed on the middle frame (i.e. the housing) of the whole device as a power source, and after the electronic device receives an instruction through the UI, the driving component 990 is controlled to drive the sliding rail mechanism to move along the first direction X (shown as moving leftward in fig. 7), so that the sliding rail mechanism slides out along the direction of the first housing 91 relative to the first housing 91. In the process, the first end of the flexible display screen 90 slides together with the sliding member 22, the rotating wheel of the rotating shaft assembly is passively rotated by the force of the flexible display screen 90, and the second end of the flexible display screen 90 is connected with the first shell 91, so that the flexible display screen 90 gradually expands along with the gradual sliding of the sliding rail mechanism, as shown in fig. 7. During the sliding process of the sliding rail mechanism, the sliding member 22 can move from one end of the bracket 11 to the other end under the pulling action of the flexible display, so as to further lengthen the extended length of the flexible display 90. In addition, in the sliding process, the elastic component 230 is stretched by the sliding part 22 to generate an elastic tensile force opposite to the sliding direction on the sliding part 22, and the flexible display screen 90 is always subjected to the tensile force in the opposite direction, which is equivalent to pulling the flexible display screen 90 to the right, so that the stretched flexible display screen 90 is smoother, the curved track of the flexible display screen 90 is ensured to move according to the design intention, and the problems of screen bulging, twisting and the like caused by sliding of the whole machine in the visual sense are prevented.

It will be appreciated that the slider 22 is pulled by the second end of the flexible display 90 and can move from one end of the support 11 to the other throughout the process. Assuming that the sliding stroke of the slide rail mechanism relative to the first housing 91 is S and the sliding stroke of the slider 22 is S, the first end of the flexible display 90 moves a distance of 2S relative to the first housing 91 along with the slide rail mechanism.

When the complete machine receives an external instruction, the complete machine retracts. The driving motor 130 starts to drive reversely, and retracts the slide rail mechanism and the flexible display screen. In this process, the bracket and the fixing base are driven by the driving assembly 990 to move in opposite directions, the flexible display screen and the sliding member are gradually retracted under the elastic force of the elastic assembly 230, and the sliding member is returned to the initial position under the elastic force of the elastic assembly 230, so as to return the flexible display screen to the retracted state. Therefore, the sliding rail mechanism disclosed by the invention can stably and effectively ensure that the flexible display screen keeps the bending form of the appearance in the sliding and retracting process of the whole machine, and ensure that the power loss caused by the friction force generated in the sliding and retracting process of the screen is at a lower level, has a scheme with operability and easy realization, and ensures the reliability of the product.

In some possible embodiments, as shown in figures 6 and 7, the support 11 is provided with a transmission 13. The driving assembly 990 comprises a driving motor 130, a screw 14 connected with the driving motor 130, and a nut 15 sleeved on the screw 14, wherein the screw 14 extends along the first direction X, and the nut 15 abuts against the transmission member 13. The driving motor 130 drives the screw 14 to rotate, so as to drive the nut 15 and the transmission member 13 to move along the first direction X, thereby driving the slide rail mechanism to move along the first direction X. The driving assembly 990 may also be configured as a rack and pinion, a worm gear, or the like.

It is understood that the elastic member 230 always provides the sliding member 22 and the first end 901 of the flexible display 90 with an elastic force toward the first housing 91 regardless of the extending process or the retracting process of the flexible display 90. In the unfolding process, the sliding member 22, the first end 901 of the flexible display 90, the bracket 11, and the second housing 92 are driven by the driving force of the driving mechanism to move away from the first housing 91, and the flexible display 90 is always attached to the bracket 11 and the rotating shaft assembly 12. However, during the retracting process, the driving force of the driving mechanism can only drive the bracket 11 to move towards the first housing 91, the driving force cannot be transmitted to the sliding member 22 and the first end 901 of the flexible display 90, and the retracting process of the flexible display 90 all depends on the elastic force provided by the elastic component 230 to pull the sliding member 22 and the first end 901 of the flexible display 90 back to the initial position.

In the process, self friction force and possibly additional friction force exist between the flexible display screen 90 and the appearance decoration part, the bracket 11 and the rotating shaft component 12, sudden change of the friction force can prevent the elastic force of the elastic component 230 from pulling the flexible display screen 90 back, so that the speed of withdrawing the flexible display screen 90 is delayed, the speed of withdrawing the flexible display screen 90 at the moment is inconsistent with the speed of withdrawing the bracket 11, the speed of withdrawing the flexible display screen 90 is slower than the speed of withdrawing the bracket 11, the problem that the screen withdrawing and the whole machine withdrawing are asynchronous occurs, and phenomena such as screen bulging and bulging can occur.

Referring to fig. 9, in some alternative embodiments, in order to reduce the above situation, the electronic device of the present disclosure may further include a sensor assembly 80, where the sensor assembly 80 is disposed on the bracket 11, and is used to detect a first displacement amount S1 of a side (understood as an upper side) of the flexible display 90 close to the opening relative to the bracket 11 and a second displacement amount S2 of a side (understood as a lower side) of the flexible display 90 far from the opening relative to the bracket 11.

When the bracket 11 moves along the first direction X relative to the first housing 91, the second housing 92, the sliding member 22, the first end of the flexible display 90 and the second end of the elastic component 230 are driven to move together. The support 11 adjusts the moving speed relative to the first housing 91 according to the difference between the first displacement S1 and the second displacement S2.

Through the above arrangement, the sensor assembly 80 detects a first displacement amount S1 of the side of the flexible display screen 90 close to the opening relative to the bracket 11 and a second displacement amount S2 of the side of the flexible display screen 90 far away from the opening relative to the bracket 11, and when the bracket 11 moves relative to the first housing 91 to expand the flexible display screen 90, the elastic assembly 230 can provide an elastic force towards the first housing 91 to the bracket 11. When the flexible display screen 90 retracts, the support 11 adjusts the moving speed of the first shell 91 according to the difference value between the first displacement S1 and the second displacement S2, and keeps synchronous with the speed of the elastic component 230 for driving the flexible display screen 90 to retract through elastic force, so that the flexible display screen 90 is more smooth when retracting, and the problems of screen bulging, distortion and the like in vision are prevented. It should be noted that, the sensor assembly 80 monitors the retraction condition of the flexible display, and can determine whether the moving speed of the bracket 11 should be reduced, that is, the rotating speed of the driving motor 130 is reduced to reduce the retraction speed of the whole machine according to a preset logic rule, so as to solve the problem that the retraction of the screen is not synchronous with the retraction of the whole machine.

In some possible embodiments, the electronic device includes an extended state (as shown in fig. 7) and a retracted state (as shown in fig. 6). When the electronic device is switched from the retracted state to the deployed state, the driving element 990 of the driving mechanism drives the bracket 11 to move in a direction away from the first housing 91, and the elastic element 230 provides an elastic force to the slider 22 in a direction toward the first housing 91.

When the electronic device is switched from the extended state to the retracted state, the bracket 11 moves in a direction approaching the first housing 91, and the slider 22 moves in the direction approaching the first housing 91 under the driving of the elastic force. The bracket 11 adjusts the moving speed relative to the first housing 91 according to the difference between the first displacement S1 and the second displacement S2, so that the first displacement S1 is not greater than the second displacement S2. Alternatively, when the difference between the first position S1 and the second displacement S2 is between 0.05mm and 0.1mm during the adjustment of the speed of the support 11, it is understood that the two sides of the flexible display 90 move synchronously with respect to the support 11, and the support 11 may stop adjusting the speed and keep moving at the current speed.

When the electronic device is switched from the extended state to the retracted state, if the first displacement S1 is less than or equal to the second displacement S2, the bracket 11 keeps moving at a speed relative to the first housing 91. If the first displacement amount S1 is greater than the second displacement amount S2, the bracket 11 reduces the moving speed relative to the first housing 91. It should be noted that, when the first displacement S1 is less than or equal to the second displacement S2, it can be understood that both sides of the flexible display 90 move synchronously relative to the bracket 11, and the moving speed of the bracket 11 does not need to be adjusted. When the first displacement S1 is greater than the second displacement S2, it may be understood that both sides of the flexible display screen 90 do not move synchronously with respect to the bracket 11, and the withdrawing speed of the flexible display screen 90 is less than the withdrawing speed of the bracket 11, and at this time, the moving speed of the bracket 11 needs to be reduced, so that the flexible display screen 90 and the bracket 11 keep a synchronous withdrawing state, and the phenomena of bulging, ballooning and the like of the screen are avoided.

In some possible embodiments, the sensor assembly 80 includes a first sensor 81 and a second sensor 82, the first sensor 81 is located near one side of the opening for detecting the first displacement amount S1. The second sensor 82 is located on a side away from the opening, and is configured to detect the second displacement amount S2. Alternatively, the first sensor 81 and the second sensor 82 may employ optical displacement sensors. In the example shown in the figure, the first sensor 81 and the second sensor 82 are distributed on two sides of the rotating shaft assembly 12, that is, the flexible displacement display screen 90 is wound on the upper and lower sides of the U-shaped bending region of the rotating shaft assembly 12.

In some possible embodiments, the electronic device may further include a controller electrically connected to the drive mechanism for controlling the drive mechanism, the controller also being electrically connected to the sensor assembly 80. The controller may be a CPU of the electronic device, and adjusts a driving speed of the driving mechanism for driving the support 11 to move according to a difference between the first displacement S1 and the second displacement S2, so as to change a moving speed of the support 11 relative to the first housing 91, so as to balance moving speeds of the flexible display 90 and the support 11, and enable the flexible display and the support 11 to be retracted synchronously. It is understood that the controller adjusts the driving speed of the driving mechanism for driving the bracket 11 to move according to the difference between the first displacement S1 and the second displacement S2, which may be that the controller adjusts the rotation speed of the driving motor 130 for controlling the rotation of the screw 14 according to the difference between the first displacement S1 and the second displacement S2, so as to change the moving speed of the nut 15 relative to the screw, and thus change the driving speed of the driving mechanism for driving the bracket 11 to move.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An electronic device, comprising:

the shell comprises a first shell and a second shell, and the first shell and the second shell are enclosed to form an accommodating structure with an opening;

2. The electronic device of claim 1, wherein the sensor assembly includes a first sensor and a second sensor, the first sensor being located on a side near the opening for detecting the first amount of displacement; the second sensor is located on a side away from the opening and is used for detecting the second displacement.

3. The electronic device of claim 2, wherein the slide rail mechanism further comprises a rotating shaft assembly, and the second end of the flexible display screen is connected with the first housing after being wound around the rotating shaft assembly; the first sensor and the second sensor are distributed on two sides of the rotating shaft assembly.

4. The electronic device of claim 1, wherein the slide rail mechanism further comprises a bracket and a sliding member, the bracket is disposed on the second housing and slidably disposed on the first housing along the first direction, a first end of the elastic component is connected to the bracket, and a second end of the elastic component is connected to the sliding member so as to be cooperatively connected to the first end of the flexible display screen;

when the bracket moves relative to the first shell along the first direction, the bracket drives the second shell, the sliding part, the first end of the flexible display screen and the second end of the elastic component to move together; and the bracket adjusts the moving speed relative to the first shell according to the difference value of the first displacement and the second displacement.

5. The electronic device of claim 4, wherein the electronic device comprises an extended state and a retracted state;

when the electronic equipment is switched from the retracted state to the deployed state, the bracket moves in a direction away from the first shell, and the elastic assembly provides an elastic force pointing to the first shell direction for the sliding piece;

when the electronic equipment is switched from the unfolding state to the folding state, the bracket moves along the direction close to the first shell, and the sliding piece moves along the direction close to the first shell under the driving of the elastic force; and the bracket adjusts the speed of moving relative to the first shell according to the difference value between the first displacement and the second displacement so that the first displacement is not greater than the second displacement.

6. The electronic device of claim 5, wherein when the electronic device is switched from the extended state to the retracted state, if the first displacement amount is less than or equal to the second displacement amount, the bracket maintains a moving speed relative to the first housing; if the first displacement is larger than the second displacement, the support reduces the speed of moving relative to the first shell.

7. The electronic device of claim 4, further comprising a controller and a drive mechanism electrically connected to the controller, the controller being electrically connected to the sensor assembly; the driving mechanism is arranged on the first shell and used for driving the bracket to move relative to the first shell along the first direction;

8. The electronic device of claim 7, wherein the driving mechanism comprises a driving motor, a screw connected with the driving motor, and a nut sleeved on the screw; the driving motor is arranged on the first shell and electrically connected with the controller, the screw rod extends along the first direction, and the nut is abutted with the bracket; the driving motor drives the screw rod to rotate, the nut moves along the first direction relative to the screw rod, and the bracket is driven to move along the first direction relative to the first shell;

9. The electronic device according to claim 4, wherein the stand is provided with a plurality of guide rails extending in the first direction;

the elastic component comprises at least one first elastic piece and at least one second elastic piece, the first end of the first elastic piece is connected with the support, the second end of the first elastic piece is connected with the sliding piece, at least one of the guide rails is sleeved with the second elastic piece, and the sliding piece is arranged in the guide rails in a sliding mode.

10. The electronic device according to claim 9, wherein the first elastic member includes an arc-shaped main body portion, a first connecting portion connected to one end of the arc-shaped main body portion, and a second connecting portion connected to the other end of the arc-shaped main body portion, the first connecting portion being connected to the bracket, and the second connecting portion being connected to the sliding member;