CN217216644U - Screen assembly and electronic equipment - Google Patents

Abstract

The application discloses screen assembly and electronic equipment, wherein, screen assembly includes: the shell comprises a fixed frame and a movable frame, and the movable frame can move relative to the fixed frame; the first roller is arranged on the fixed frame; the second roller is arranged on the movable frame; the flexible screen is arranged on the first surfaces of the movable frame and the fixed frame, at least part of the flexible screen is arranged in the shell, and the first idler wheel and the second idler wheel are located on two sides of at least part of the flexible screen in the shell. Among the technical scheme of this application, set up first gyro wheel and second gyro wheel respectively on fixed frame and movable frame, can be under the effect of two kinds of gyro wheels, the frictional force that keeps flexible screen expansion and retraction in-process is invariable, reduces the motor consumption on the one hand, on the other hand noise reduction.

Description

Screen Components and Electronics

technical field

The present application belongs to the technical field of electronic devices, and specifically relates to a screen assembly and an electronic device.

Background technique

With the development of technology, mobile terminals have a larger display area as a functional feature, which greatly attracts users to use. However, due to the inconvenience of carrying the larger display area, the prior art , by using the technology of flexible screen, a retractable scroll screen is provided to meet the needs of large screen and portability at the same time. However, in the prior art, when the scroll screen is in use, it is usually driven by a motor to expand the flexible screen, in order to ensure smoothness , the spring will be set to tighten it, but the elastic force of the spring is not constant, and the strength is related to the stretching length, so that when unfolding, the elastic force gradually increases, the work of the motor will gradually increase, and the power consumption will increase. The elastic force during retraction is gradually reduced, which will result in less force when fully retracted, unable to tighten the screen, and there will be a dedication to slack.

Utility model content

The present application aims to solve at least one of the technical problems existing in the prior art or related technologies.

The purpose of this application is to provide a screen assembly and an electronic device. By arranging a first roller and a second roller on the fixed frame and the movable frame, respectively, under the action of the two rollers, the flexible screen can be maintained in the process of unfolding and retracting. The friction force is constant, which reduces motor power consumption on the one hand and noise on the other.

In order to achieve the above purpose, the screen assembly provided by the embodiment of the first aspect of the present application includes: a casing, the casing includes a fixed frame and a movable frame, and the movable frame can move relative to the fixed frame; a first roller is provided on the fixed frame The second roller is arranged on the movable frame; the flexible screen is arranged on the first surface of the movable frame and the fixed frame, and at least part of the flexible screen is arranged in the casing, and the first scroll wheel and the second scroll wheel are located in the casing. at least partially on both sides of the flexible screen.

According to an embodiment of the screen assembly provided by the present application, it includes a casing and a flexible screen disposed on the first surface of the casing, wherein the casing includes a fixed frame and a movable frame that can be expanded and retracted, and the flexible screen is installed on the two frames superior. It should be emphasized that, in order to ensure that the screen assembly can stretch the flexible screen evenly during the unfolding and retracting process, the fixed frame and the movable frame are respectively provided with a first roller in contact with the flexible screen. And the second roller, the position of the first roller does not change, the second roller will move with the movement of the movable frame, so that the flexible screen can continue to cooperate with the first roller during the movement of unfolding and retracting, This makes the overall flexible screen tight and flat.

The flexible screen is arranged on the first surface of the casing, so that the corresponding image content can be displayed through the flexible screen on the first surface. In addition, since the casing is movable, the size of the first surface will also change accordingly. In order to ensure that the flexible screen can fill the entire first surface when the casing is active, a part of the flexible screen will be stored inside the casing. At this time, the two sides of the flexible screen stored inside the casing will pass through the first roller and the second roller. be flattened.

Further, since the two sides of the flexible screen are respectively offset by the first roller and the second roller, the screen can move smoothly between the two rollers during movement without any wrinkles.

Generally, in order to ensure the flat deployment and retraction of the flexible screen, the movement of the movable frame relative to the fixed frame is translation sliding.

Both ends of the flexible screen are connected to the fixed frame. Specifically, one end of the flexible screen is directly or indirectly connected to the reel located in the fixed frame. When the reel rotates, it will drive the flexible screen to extend outward or retract inward.

It can be understood that the fixed frame and the movable frame play a certain supporting role for the flexible screen. When the screen body is in a retracted state, when the screen body is unfolded between the movable frame and the fixed frame, the first support plate and the second support plate can be installed. Under the combined action of the screen, it provides support for the screen body, so as to improve the overall impact resistance of the screen assembly.

The screen assembly may be a scroll screen, and the scroll shaft can support the expansion and retraction of the flexible screen when the movable frame moves relative to the fixed frame.

In a second aspect, the present application provides an embodiment of an electronic device, including: a casing; and the screen assembly in any of the above embodiments is disposed on the casing.

The electronic device provided by the second aspect of the present application includes a casing and a screen assembly, wherein the screen assembly is arranged on the casing to facilitate the realization of basic functions such as communication and display of the electronic device. On this basis, the casing can be A certain protective effect is provided for the screen assembly. Since the electronic device includes the screen assembly in the above-mentioned embodiment of the first aspect, it has the beneficial effects of any of the above-mentioned embodiments, which will not be repeated here.

Wherein, the electronic device may be a smart phone, a tablet, a smart watch, a smart bracelet, or other devices that may have a scroll screen.

Additional aspects and advantages of the present application will become apparent in the description section below, or learned by practice of the present application.

Description of drawings

FIG. 1 shows a schematic structural diagram of a screen assembly in a retracted state according to an embodiment of the present application;

FIG. 2 shows a schematic diagram of a partial structure of a screen assembly according to an embodiment of the present application;

FIG. 3 shows a schematic structural diagram of a screen component in an expanded state according to an embodiment of the present application;

FIG. 4 shows a schematic structural diagram of an electronic device according to an embodiment of the present application;

FIG. 5 shows a schematic structural diagram of an outer casing according to an embodiment of the present application;

FIG. 6 shows a schematic structural diagram of the cooperation of the first support plate and the second support plate according to an embodiment of the present application.

Among them, the corresponding relationship between the reference numerals and the component names in Fig. 1 to Fig. 6 is:

100: screen assembly; 101: housing; 102: fixed frame; 1022: first support plate; 104: movable frame; 1042: second support plate; 106: scroll; 108: flexible screen; 1102: first roller; 1104 : second roller; 1122: lead screw; 1124: driving element; 1126: slider; 114: roller; 116: connecting belt; 118: soft fur layer; 200: electronic equipment; shell; 2103: buckle; 2104: second shell; 2105: card slot.

Detailed ways

Embodiments of the present application will be described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

The features of the terms "first" and "second" in the description and claims of this application may expressly or implicitly include one or more of such features. In the description of this application, unless stated otherwise, "plurality" means two or more. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The screen assemblies provided in the embodiments of the present application are mainly used in electronic devices, such as mobile terminals such as mobile phones, wearable devices, tablet computers, laptop computers, mobile computers, handheld game consoles, video recorders, camcorders, and the like. Of course, it can also be applied to other devices with scroll screens without being limited to electronic devices.

The screen assembly and the electronic device provided according to the embodiments of the present application are described below with reference to FIGS. 1 to 6 .

As shown in FIG. 1, an embodiment of the present application proposes a screen assembly 100, including: a housing 101, the housing 101 includes a fixed frame 102 and a movable frame 104, the movable frame 104 can move relative to the fixed frame 102; a first roller 1102 , set on the fixed frame 102; the second roller 1104, set on the movable frame 104; the flexible screen 108, the flexible screen 108 is set on the first surface of the movable frame 104 and the fixed frame 102, and at least part of the flexible screen 108 is set on the shell Inside the housing 101 , the first roller 1102 and the second roller 1104 are located on both sides of at least a part of the flexible screen 108 provided in the housing 101 .

According to the embodiment of the screen assembly 100 provided by the present application, it includes a casing 101 and a flexible screen 108 disposed on the first surface of the casing 101, wherein the casing 101 includes a fixed frame 102 and a movable frame 104 that can be expanded and retracted, Flexible screens 108 are mounted on the two midframes. It should be emphasized that, in order to ensure that the screen assembly 100 can stretch the flexible screen 108 more uniformly during the unfolding and retracting process, the fixed frame 102 and the movable frame 104 are respectively provided with a corresponding flexible screen 108. When the first roller 1102 and the second roller 1104 are in contact, the position of the first roller 1102 does not change, but the second roller 1104 moves with the movement of the movable frame 104 , so that the flexible screen 108 expands and retracts. During the process, it can continue to cooperate with the first roller 1102, so that the flexible screen 108 is stretched and relatively flat as a whole.

The flexible screen 108 is disposed on the first surface of the casing 101, so that the corresponding image content can be displayed through the flexible screen 108 on the first surface. In addition, since the casing 101 is movable, the size of the first surface will also vary with In order to ensure that the flexible screen 108 can fill the entire first surface when the casing 101 is active, a part of the flexible screen 108 will be accommodated inside the casing 101 . The sides are smoothed by the first roller 1102 and the second roller 1104 .

Further, since the two sides of the flexible screen 108 are respectively abutted by the first roller 1102 and the second roller 1104, the screen can move smoothly between the two rollers during movement without any wrinkles.

Generally, in order to ensure the flat deployment and retraction of the flexible screen 108, the movement of the movable frame 104 relative to the fixed frame 102 is translational sliding.

Wherein, both ends of the flexible screen 108 are connected to the fixed frame 102 , specifically, one end of the flexible screen 108 is directly or indirectly connected to the reel 106 located in the fixed frame 102 . When the reel 106 rotates, it will drive the flexible screen 108 to extend outward. or retracted inward.

It can be understood that the fixed frame 102 and the movable frame 104 play a certain supporting role for the flexible screen 108. As shown in FIG. 1 , when the screen body is in a retracted state, when the screen body is unfolded between the movable frame 104 and the fixed frame 102, As shown in FIG. 6 , under the combined action of the first support plate 1022 and the second support plate 1042 , the screen body can be supported to improve the overall impact resistance of the screen assembly 100 .

The screen assembly 100 is a scroll screen, and the scroll shaft 106 can support the expansion and retraction of the flexible screen 108 when the movable frame 104 moves relative to the fixed frame 102 .

In a specific embodiment, as shown in FIG. 3 , the line connecting the facing first roller 1102 and the second roller 1104 is perpendicular to the extending direction of the flexible screen.

Further, it also includes: a first support plate 1022, which is arranged on the fixed frame 102; a second support plate 1042, which is slidably connected to the first support plate 1022. When the movable frame 104 moves relative to the fixed frame 102, the second support plate 1042 is relatively slid with respect to the first support plate 1022 .

By arranging the first support plate 1022 on the fixed frame 102, the flexible screen 108 can be supported on one side. In addition, under the action of the second support plate 1042, the flexible screen 108 can be stretched and contracted The newly displayed part is supported during the state transition to the expanded state. It should be noted that the second support plate 1042 is slidable relative to the first support plate 1022, and the two support plates may be comb-shaped and support each other in a staggered manner, taking into account the two functions of sliding and supporting.

Wherein, when the flexible screen 108 is in the retracted state, the first support plate 1022 and the second support plate 1042 are alternately and overlapped to reduce the size of the display interface of the flexible screen 108, and when the flexible screen 108 is in the unfolded state, the The combined action of the first support plate 1022 and the second support plate 1042 provides support for the flexible screen 108 .

Wherein, the first support plate 1022 and the second support plate 1042 can be flat plates or curved plates, and can provide support for the flexible screen 108 no matter when the flexible screen 108 is in a contracted state or an expanded state.

Further, as shown in FIG. 1 , the fixed frame 102 is provided with a driving cavity, and the screen assembly 100 further includes: a lead screw 1122, which is arranged in the driving cavity; The lead screw 1122 is driven to rotate; the slider 1126 is connected to the lead screw 1122 in a driving manner.

The fixed frame 102 is provided with a drive cavity, and the drive cavity is provided with a lead screw 1122 mechanism, that is, the combination of the lead screw 1122 and the slider 1126, under the action of the driving member 1124, the lead screw 1122 will be driven to rotate, and the lead screw 1122 will rotate through the lead screw 1122. The transmission connection with the slider 1126, when the lead screw 1122 rotates, the slider 1126 will move accordingly. Since the slider 1126 is connected with the second support plate 1042, it will drive the second support plate 1042 It moves relative to the first support plate 1022 , thereby realizing the expansion and retraction of the entire flexible screen 108 .

It can be understood that the driving member 1124 may be arranged in the driving cavity, and may also be arranged at other positions, as long as it can drive the lead screw 1122 to rotate.

Wherein, the driving member 1124 can be a motor, as long as it can drive the lead screw 1122 to rotate, so that the horizontal position of the slider 1126 can be changed.

Further, one side of the fixed frame 102 is provided with an installation cavity, the installation cavity is provided with a reel 106 , one end of the flexible screen 108 is connected to the reel 106 , and the screen assembly 100 further includes: a roller 114 , which is connected to the second support plate 1042 , the flexible screens 108 are respectively connected to the fixed frame 102 around the rollers 114 .

By arranging an installation cavity in the fixed frame 102, the reel 106 can be put into the installation cavity, so that one end of the flexible screen 108 can be connected to the reel 106 in the installation cavity, and the flexible screen 108 can be wound around the roll connected to the second support plate 1042. The shaft 114 is wound back onto the stationary frame 102 . It can be understood that the portion of the flexible screen 108 used for display is the display segment extending from the roller 114 to the fixed frame 102 , rather than the display segment extending from the roller 114 to the scroll 106 .

The installation cavity is mainly disposed on the back side of the fixed frame 102 .

Further, it also includes: a connecting tape 116 , one end of the connecting tape 116 is connected to the reel 106 , and the other end is connected to one end of the flexible screen 108 .

By setting the connecting tape 116 , the flexible screen 108 can be indirectly connected to the reel 106 under the action of the connecting tape 116 . It can be understood that the function of the connecting strap 116 can reduce the required length of the flexible screen 108, and at the same time, the connecting strap 116 can ensure that in the process of stretching the screen, the force is relatively constant and the retracting speed is relatively stable, improving the user experience. .

Further, the number of the first rollers 1102 is multiple, the number of the second rollers 1104 is multiple, the distance between two adjacent first rollers 1102 is equal, and the distance between two adjacent second rollers 1104 is equal.

By arranging a plurality of first rollers 1102 and second rollers 1104 and restricting the first rollers 1102 and second rollers 1104 to be arranged at equal intervals, so that when the flexible screen 108 is expanded to any position, the first roller 1102 can be affected by the and the acting force of the second roller 1104, so that the frictional force between the screen and the roller is constant, which has a certain stability effect.

The distances between the first scroll wheel 1102 and the second scroll wheel 1104 from the flexible screen 108 are constant.

Further, as shown in FIG. 2 , it further includes: a soft wool layer 118 disposed on the outer side of the first roller 1102 and/or the second roller 1104 .

By arranging the soft fur layer 118 on the outside of the first roller 1102 or the second roller 1104, on the one hand, the friction force between the flexible screen 108 and the roller can be kept constant, and on the other hand, the screen can be protected to some extent. In addition, the soft fur layer 118 can also remove fingerprints or oil stains remaining on the screen surface.

Further, when the movable frame 104 moves to the unfolded position, the at least one first roller 1102 and the at least one second roller 1104 are oppositely disposed on both sides of the flexible screen 108 .

When the movable frame 104 moves to the unfolded position relative to the fixed frame 102, it belongs to an unfolded limit position. At this time, by restricting that at least one first roller 1102 and the second roller 1104 are arranged on both sides of the flexible screen 108 opposite to each other, it is possible to Ensure that the screen can still move smoothly between the two rollers at the extreme position, maintaining constant friction.

As shown in FIGS. 4 and 5 , another embodiment of the present application provides an electronic device 200 including an outer casing 210 and a screen assembly 100 , wherein the screen assembly 100 is disposed in the outer casing 210 to facilitate the realization of electronic The basic functions of the device 200, such as communication and display, are based on this, the outer casing 210 can provide a certain protection to the screen assembly 100. The beneficial effects of an embodiment are not repeated here.

The electronic device 200 may be a smart phone, a tablet, a smart watch, a smart bracelet, or other devices that can be used by a user.

Further, the outer casing 210 specifically includes: a first outer casing 2102 , a snap 2103 is provided at one end of the first outer casing 2102 close to the second outer casing 2104 ; There are a plurality of card slots 2105, wherein, the buckle 2103 can cooperate with each card slot 2105 to realize the fixation of the first shell 2102 and the second shell 2104 at different positions.

The outer casing 210 mainly includes a first casing 2102 and a second casing 2104. Since the outer casing 210 is wrapped outside the screen assembly 100, the first casing 2102 and the second casing 2104 also move relative to the retractable flexible screen 108. When the screen assembly 100 moves, the two shells are mainly fixed by the design of the buckle 2103 and the card slot 2105. Of course, since the screen assembly 100 can be stretched to any position for suspension, the first shell 2102 and the second shell 2104 The design, when moving to different positions, the buckle 2103 can be matched with different card slots 2105, so as to realize the fixing of the relative position.

In a specific embodiment, a mobile phone with a scroll screen is provided, which can meet the requirement that the rolling screen can be stretched and contracted in a small space without being wrinkled. Compared with the conventional solution, several rollers are added to the fixed frame 102, The movable frame 104 also adds several scroll wheels, but the number of scroll wheels (ie the second scroll wheel 1104 ) of the movable frame 104 is about twice the number of the scroll wheels (ie the first scroll wheel 1102 ) of the fixed frame 102 . When the screen is stretched, there are still a pair of scroll wheels. Rollers overlap. The tail end of the screen is wound on the scroll wheel on the fixed frame 102. During the unfolding and retracting process of the display screen (ie, the flexible screen 108), the screen movement is maintained by the constant gap between the upper and lower scroll wheels and the pulling force of the scroll shaft 106 at the end. Tensioned and flat.

Specifically, under the action of the driving motor, the screen moves on the bearing, and then the movable frame 104 moves horizontally relative to the fixed frame 102 . The fixed frame 102 is fixed with rollers, and the movable frame 104 also has fixed rollers. The gap between the upper and lower rollers is constant. During movement, the screen can move smoothly between the upper and lower rollers to ensure that the screen does not wrinkle. The tail of the screen is wound on the scroll wheel, and the scroll wheel also has a certain pulling force on the gear, thereby ensuring that the screen progresses up and down when the scroll wheel is in a flat state.

In addition, a soft fur layer (ie, the soft fur layer 118 ) is wrapped around the surface of the roller, which can ensure constant friction between the screen and the roller, protect the screen, and also remove oil stains such as fingerprints on the screen surface.

When the screen shrinks, the soft belt at the end of the screen (ie, the connecting belt 116 ) is gradually wound on the reel, which can ensure that the input and output ends of the screen can perform flat motion without wrinkles. In the maximum expansion state, it is necessary to ensure that the upper roller and the lower roller have a pair of rollers to keep overlapping, to ensure that the screen can move smoothly in the gap when the screen is shrunk.

Through the above embodiment, the use of the roller mechanism + the scroll mechanism is beneficial to the flat movement of the screen of the mobile phone with the curling screen, and there is no wrinkling phenomenon. The invention has the following advantages: during the unfolding and retracting stages of the display screen, the driving motor overcomes the constant friction force between the scroll wheel and the screen, does not increase the power consumption of the motor, and has a long battery life of the mobile phone. The noise generated by the motor is small and the motor life is long; the upper and lower rollers are more conducive to the flattening and expansion of the screen, and other structures do not need to cooperate with each other; the retraction speed of the display screen can be kept stable, and the user experience is good; the structural design is reliable, low cost, and easy to implement.

According to the embodiments of the screen assembly and the electronic device of the present application, the fixed frame and the movable frame are respectively provided with a first roller and a second roller, which can maintain the friction during the expansion and retraction of the flexible screen under the action of the two rollers. The force is constant, reducing motor power consumption on the one hand and noise on the other.

In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiment", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in this application at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.

Claims (10)

1. A screen assembly, comprising:

a housing including a fixed frame and a movable frame, the movable frame being movable relative to the fixed frame;

the first roller is arranged on the fixed frame;

the second roller is arranged on the movable frame;

the flexible screen, the flexible screen set up in movable frame with fixed frame's first surface, and at least part the flexible screen set up in the casing, first gyro wheel with the second gyro wheel is located locate at least part in the casing the both sides of flexible screen.

2. A screen assembly as recited in claim 1, further comprising:

the first supporting plate is arranged on the fixed frame;

and the second supporting plate is connected with the first supporting plate in a sliding manner, and when the movable frame moves relative to the fixed frame, the second supporting plate slides relative to the first supporting plate.

3. A screen assembly as recited in claim 2, wherein a drive cavity is provided in the fixed frame, the screen assembly further comprising:

the screw rod is arranged in the driving cavity;

the driving piece is in transmission connection with the lead screw and is used for driving the lead screw to rotate;

the sliding block is in transmission connection with the lead screw, is used for moving relative to the lead screw when the lead screw rotates, and is connected with the second supporting plate.

4. A screen assembly as recited in claim 3, wherein a mounting cavity is defined in one side of the fixed frame, a roller is defined in the mounting cavity, one end of the flexible screen is coupled to the roller, and the screen assembly further comprises:

and the rolling shaft is connected with the second supporting plate, and the flexible screen is wound around the rolling shaft and is respectively connected to the fixed frame.

5. The screen assembly of claim 4, further comprising:

one end of the connecting band is connected to the reel, and the other end of the connecting band is connected to one end of the flexible screen.

6. A screen assembly as recited in any one of claims 1-5, wherein the first scroll wheel is plural in number, the second scroll wheel is plural in number, a distance between two adjacent first scroll wheels is equal, and a distance between two adjacent second scroll wheels is equal.

7. The screen assembly of any of claims 1-5, further comprising:

the soft wool layer is arranged on the outer side of the first roller and/or the second roller.

8. A screen assembly as recited in any one of claims 1-5, wherein at least one of the first rollers and at least one of the second rollers are disposed on opposite sides of the flexible screen when the moveable frame is moved to the extended position.

9. An electronic device, comprising:

an outer housing;

the screen assembly of any one of claims 1 to 8, disposed on the outer housing.

10. The electronic device according to claim 9, wherein the outer housing specifically comprises:

a first housing;

a second shell, wherein one end of the first shell, which is close to the second shell, is provided with a buckle, the second shell is provided with a plurality of clamping grooves which are arranged along the extending direction of the screen component,

wherein the buckle can be matched with each clamping groove to realize the fixation of different positions of the first shell and the second shell.

Images