CN114125102A

CN114125102A - Screen rolling device and electronic equipment

Info

Publication number: CN114125102A
Application number: CN202111364377.1A
Authority: CN
Inventors: 朱乘军
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-03-01
Also published as: WO2023087918A1

Abstract

The application discloses a screen curling device and an electronic device. The screen curling device comprises a fixed piece, a sliding piece and a blocking piece, wherein the fixed piece and the sliding piece are arranged adjacent to each other, the flexible screen is fixed on one side, far away from the sliding piece, of the fixed piece and extends to one side, far away from the fixed piece, of the sliding piece to be connected with the sliding piece, the sliding piece can slide with the fixed piece, and when the sliding piece slides, the sliding piece pushes or pulls the flexible screen to enable the area of the flexible screen on one side of the fixed piece to be increased or reduced. The blocking piece is arranged between the sliding piece and the fixing piece and used for spacing the sliding piece and the blocking piece. Through the mode, the sliding piece and the fixing piece are separated by the blocking piece, sliding friction cannot be generated, and the use safety of the electronic equipment is guaranteed.

Description

Screen rolling device and electronic equipment

Technical Field

The present application relates to the field of electronic device technologies, and in particular, to a screen curling device and an electronic device.

Background

With the continuous development of the flexible screen technology, some electronic devices begin to apply the flexible screen to improve user experience, taking a mobile phone as an example, the flexible screen is installed on a foldable mobile phone, folding and unfolding of the flexible screen are realized by opening and closing two parts of shells on the mobile phone, and a display area on the mobile phone can only be fixed to present two modes; there are also some mobile phones using flexible screens, in which the flexible screen is wound around two housings, the two housings on the mobile phone move relatively to each other, and one end of the flexible screen is pulled, so that the display area on the flexible screen can be adjusted as needed, and finally the display area on the flexible screen can be in various states.

In the related art, the scroll screen mobile phone needs to expand or contract the flexible screen by means of relative movement of two shells of the screen rolling device. However, when the two housings move relative to each other, they may contact each other, causing sliding friction, which not only makes the flexible screen difficult to expand or contract, but also causes abrasion to the internal structure of the mobile phone.

Disclosure of Invention

The technical problem that this application mainly solved provides a screen crimping device and electronic equipment, can improve the problem that produces too big frictional force when the screen expandes in the spool screen.

In order to solve the technical problem, the application adopts a technical scheme that: the screen curling device comprises a fixed piece, a sliding piece and a blocking piece, wherein the fixed piece is arranged adjacent to the sliding piece, the flexible screen is fixed on one side of the fixed piece, which is far away from the sliding piece, and extends to one side of the sliding piece, which is far away from the fixed piece, to be connected with the sliding piece, the sliding piece can slide with the fixed piece, and when the sliding piece slides, the sliding piece pushes or pulls the flexible screen, so that the area of the flexible screen on one side of the fixed piece is increased or reduced;

the blocking piece is arranged between the sliding piece and the fixed piece and used for separating the sliding piece from the blocking piece.

In order to solve the above technical problem, another technical solution adopted by the present application is: an electronic device comprises a flexible screen and a screen curling device provided by the application, wherein the flexible screen is connected with the screen curling device.

The beneficial effect of this application is: being different from the condition of prior art, the screen crimping device of this application includes mounting, slider and separation piece, the mounting with the slider is adjacent to be set up, and flexible screen can be fixed in the mounting and keep away from the one side of slider, then extends to the slider and keeps away from the one side of mounting and is connected with the slider. When the sliding part slides with the fixing part, the flexible screen can be pulled or pushed, so that the area of the flexible screen on one side of the fixing part is reduced or increased, the effect of unfolding or recycling the screen is achieved, and the display area of the flexible screen on one side of the fixing part can be in various states. The blocking piece is arranged between the fixed piece and the sliding piece, so that the sliding piece and the fixed piece can be separated, the sliding friction force generated by the contact between the sliding piece and the fixed piece is prevented, the use safety of the sliding piece and the fixed piece is protected, and the service life of the electronic equipment is prolonged.

Drawings

FIG. 1 is a schematic front view of an electronic device according to an embodiment of the present disclosure when a screen is not unfolded;

FIG. 2 is a schematic diagram of the electronic device in the embodiment of FIG. 1 after the screen is unfolded;

FIG. 3 is a schematic structural diagram of an embodiment of a screen rolling device according to the present application;

FIG. 4 is a schematic structural view of section A-A' of FIG. 3;

FIG. 5 is a schematic diagram of the connection of the screen rolling device and the flexible screen in the embodiment of FIG. 4;

FIG. 6 is an exploded view of the screen curls in the embodiment of FIG. 3;

FIG. 7 is an enlarged view of the area in the embodiment of FIG. 6;

FIG. 8 is a schematic structural diagram of another embodiment of a screen rolling device according to the present application;

fig. 9 is a schematic structural diagram of another embodiment of the screen rolling device of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Embodiments of a screen curling device and an electronic device are provided below. As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

As shown in fig. 1 and fig. 2, fig. 1 is a schematic front structure diagram of an electronic device according to an embodiment of the present application when a screen is not unfolded, and fig. 2 is a schematic structure diagram of the electronic device in the embodiment of fig. 1 after the screen is unfolded. The electronic device 10 in the embodiment of the present application may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like. The present embodiment is described with reference to a mobile phone as an example.

Specifically, the electronic device 10 may include a flexible screen 20 and a screen curling device (not shown), the flexible screen 20 is connected to the screen curling device, and the flexible screen 20 may be an OLED (organic light-emitting diode) flexible display screen or an AMOLED (Active-matrix organic light-emitting diode) flexible display screen. The screen rolling device is the screen rolling device provided by the application.

When the flexible screen 20 is not unfolded, a part of the flexible screen 20 is exposed on the front surface of the electronic device 10 to serve as a display area of the electronic device 10, and another part of the flexible screen 20 is curled inside the electronic device 10 by a screen curling device; after the flexible screen 20 is unfolded, the flexible screen 20 is pushed out by the screen rolling device inside the electronic device 10, and the display area of the electronic device 10 is increased. The switching of the plurality of modes of the electronic device 10 can be realized by the screen rolling device.

Further, the electronic device 10 may further include a housing (not numbered), a circuit board (not shown), a camera module (not shown), and a battery (not shown). The casing with flexible screen 20 cooperation forms accommodation space, the screen crimping device circuit board and battery are located in the accommodation space, the screen crimping device with the circuit board with the camera module the battery and flexible screen 20 electricity is connected. When the flexible screen 20 needs to be unfolded or recovered, the circuit board can control the screen rolling device to unfold or recover the flexible screen 20; when needs were shot, the camera module can receive external light and carry out the formation of image. The battery is used for supplying power, and the circuit board is used for controlling the camera module the battery and the operating condition of display screen. The detailed technical features of other parts of the electronic device are within the understanding of those skilled in the art, and are not described herein. With regard to the screen rolling device provided in the present application, please continue to refer to the following description of the screen rolling device.

Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of an embodiment of the screen rolling device of the present application, and fig. 4 is a schematic structural diagram of a cross section a-a' in fig. 3. The screen rolling device 30 includes a fixing member 100, a sliding member 200, and a blocking member 300.

Specifically, the sliding member 200 is disposed adjacent to the fixed member 100, and the sliding member 200 can slide with respect to the fixed member 100. For example, in the present embodiment, the fixed member 100 and the sliding member 200 are disposed in parallel, the sliding member 200 can move relative to the fixed member, and the sliding member 200 and the fixed member 100 are always kept in a parallel state.

Alternatively, a motor-driven manner may be adopted, wherein the motor drives the sliding member 200 to move, so that the sliding member 200 can slide relative to the fixed member.

For better understanding the operation of the screen rolling device in the present embodiment, please refer to fig. 3 to 5, and fig. 5 is a schematic structural diagram of the connection between the screen rolling device and the flexible screen in the embodiment of fig. 4.

In this embodiment, a portion of the flexible screen 20 is fixed to a side of the fixed member 100 away from the sliding member 200, and another portion extends from the side of the fixed member 100 away from the sliding member 200 to a side of the sliding member 200 away from the fixed member 100. When the display device is used as a display device of an electronic apparatus, a portion of the flexible screen 20 on the side of the fixed member 100 serves as a display area, and the flexible screen 20 on the side of the sliding member 200 is hidden inside the electronic apparatus. When the electronic device needs to unfold the flexible screen 20, the sliding member 200 slides relative to the fixing member 100, and a part of the flexible screen 20 located inside the electronic device is pushed out by the sliding member, so as to form a new display area with the flexible screen 20 originally fixed on the fixing member 100, and the area of the display area is increased. When the electronic device needs to recover the flexible screen 20, the electronic device slides in the original direction relative to the fixing member 100, and the pushed-out portion of the flexible screen 20 is pulled back, so that the area of the display area of the electronic device is reduced.

Alternatively, the flexible panel 20 on the side of the fixed member 100 may be fixed to the fixed member 100 by means of adhesion, and the flexible panel 20 on the side of the sliding member 200 may be connected to the sliding member 200 by means of a lanyard or by means of adhesion.

In the related art, a certain distance is provided between the sliding member 200 and the fixed member 100 to prevent the sliding member 200 from contacting the fixed member 100 during the sliding process and generating sliding friction. However, in order to reduce the thickness of the electronic device, the sliding member 200 and the fixing member 100 cannot be designed too far away. Therefore, when the sliding member 200 slides with the fixed member 100, the sliding direction of the sliding member 200 may be deviated and slide toward the fixed member 100, so that it is inevitable that the sliding member contacts with the fixed member 100 to generate sliding friction. The sliding friction between the sliding member 200 and the fixed member 100 may not only cause the sliding member 200 to be locked and difficult to slide, but also cause the flexible screen 20 not to be unfolded or recycled. In addition, the sliding member 200 and the fixed member 100 are made of metal materials such as aluminum alloy, and the sliding member 200 or the fixed member 100 may be worn during sliding, which may damage the electronic device.

In order to solve the above problem, in the present embodiment, a blocking member 300 is disposed between the sliding member 200 and the fixed member 100. The blocking member 300 serves to space the fixing member 100 and the sliding member 200, and prevent the fixing member 100 from contacting the sliding member 200. When the sliding motion occurs between the sliding member 200 and the fixed member 100, the blocking member 300 prevents the sliding member 200 from directly contacting the fixed member 100, thereby protecting the sliding member 200 and the fixed member 100 from the sliding friction.

In this embodiment, the distance between the blocking member 300 and the sliding member is about 0.5mm, the blocking member 300 is disposed on the side of the sliding member 200 close to the fixed member 100, and the distance between the fixed member 100 and the blocking member 300 is about 0.1-0.2 mm. Ideally, the blocking member 300 does not contact the fixing member 100, and if the sliding member 200 is shifted during sliding and slides in the direction of the fixing member 100, the blocking member 300 contacts the fixing member 100 to space the sliding member 200 from the fixing member 100, thereby preventing sliding friction between the sliding member 200 and the fixing member 100.

In other embodiments, the blocking member 300 may also be disposed on a side of the fixing member 100 close to the sliding member 200, and the blocking member 300 is kept at a certain distance from the sliding member 200, which can achieve the same effect, and is not limited herein.

Further, the screen rolling device 30 may further include a decoration 400, and the decoration 400 is used for decoration and packaging, and may be disposed on a side of the sliding member 200 away from the fixing member 100, and connected to the sliding member 200.

Referring to fig. 5 and 6 together, fig. 6 is an exploded view of the screen curly decoration of the embodiment of fig. 3, and fig. 7 is an enlarged view of a region of the embodiment of fig. 6. In the present embodiment, the blocking member 300 includes a roller 301, and the roller 301 is used for converting the sliding friction force of the blocking member 300 and the fixing member 100 into the rolling friction force.

The roller 301 is disposed on one side of the sliding member 200 close to the fixing member 100, and the distance between the roller 301 and the fixing member 100 is about 0.1-0.2 mm. When the sliding member 200 slides relative to the fixed member 100, the blocking member 300 is not in contact with the fixed member 100 in an ideal state. However, in practical use, the sliding member 200 may shift toward the fixed member 100, so that the blocking member 300 contacts with the fixed member 100, and at this time, the roller 301 can roll on the fixed member 100, thereby generating rolling contact. Since the friction force of the rolling friction is smaller than the sliding friction, the friction force of the blocking member 300 after contacting the fixed member 100 can be effectively reduced by the way of the roller 301, and the sliding resistance between the sliding member 200 and the fixed member 100 is further reduced.

Specifically, in the above embodiment, the blocking member 300 may further include a rotating shaft 302 and two rotating shaft brackets 303. At least two grooves 201 are arranged in the sliding part 200, and the rotating shaft bracket 303 is fixedly arranged in the grooves 201 of the sliding part 200.

Alternatively, the shaft support 303 may be fixed in the groove 201 by means of bonding, screwing, snapping, or the like. For example, when the fastening manner is adopted, a fastening groove is formed in the groove 201, the rotating shaft support 303 is provided with a corresponding fastening buckle, and when the rotating shaft support 303 is installed in the groove 201, the fastening buckle is fastened with the fastening groove.

The rotating shaft brackets 303 are provided with shaft holes 3031, the shaft holes 3031 of the two rotating shaft brackets 303 respectively positioned in the two grooves 201 are oppositely arranged, and two rows of the rotating shafts 302 are inserted into the shaft holes 3031 and are fixedly kept with the two rotating shaft brackets 303.

The roller 301 is in a pipe shape, the roller 301 is sleeved on the rotating shaft 302, and when the roller 301 is in rolling contact with the fixing member 100, the roller 301 can rotate around the rotating shaft 302. In order to ensure that the roller 301 can normally roll, when the roller 301 is sleeved on the rotating shaft 302, the distance between the roller 301 and the rotating shaft 302 is kept within 0.01-0.03 mm, such as 0.01mm, 0.015mm, 0.02mm, 0.025mm, and 0.03 mm. At this distance, the roller 301 can rotate around the shaft 302 without loosening on the shaft 302.

Alternatively, the spindle carrier 303 may be made of a plastic material, for example PA + 50% GF material (nylon + 50% glass fibre) may be used. The plastic material has good processing performance and good formability, and can be prepared into a preset shape according to requirements, so that the rotating shaft support 303 prepared from the plastic material can be better installed in the groove 201.

Alternatively, the shaft 302 may be made of a metal material. Such as heat treated stainless steel 420, which has relatively high wear resistance, corrosion resistance, and hardness.

Alternatively, the roller 301 may be made of a resin material, and may be a POM material. The POM material has higher elastic modulus and hardness which is comparable to metal, but is light in weight and does not excessively increase the overall weight.

In an exemplary embodiment, the number of the rollers 301 is two, and each roller 301 has a hinge bracket 303 and a hinge 302 corresponding to the roller 301. The two rollers 301 are respectively disposed at different positions on one side of the sliding member 200 close to the fixed member 100, such as two corners of the sliding member 200 and two sides of the sliding member 200. The two rollers 301 can enhance the spacing effect of the blocking members 300, in other embodiments, the number of the blocking members 300 can be more than two, and each blocking member 300 is disposed at a different position on the side of the sliding member 200 close to the fixing member 100.

Therefore, in the above embodiment, the sliding member 200 is spaced from the fixed member 100 by the spacing member 300, so that the sliding member 200 is prevented from directly contacting the fixed member 100. Meanwhile, the blocking member 300 includes the roller 301, which reduces the amount of friction generated when the blocking member 300 contacts the fixing member 100, so that the sliding of the sliding member 200 is smoother, the screen does not generate a jerk when being pushed or pulled, and the risk that the fixing member 100 and the sliding member 200 are scratched is reduced.

Referring to fig. 8, fig. 8 is a schematic structural diagram of another embodiment of the screen rolling device according to the present application. In other embodiments, in order to reduce the cost of manufacturing the barrier 300, the screen rolling device 30 includes a fixing member 100, a sliding member 200 and the barrier 300, the barrier 300 may include a foam layer 310, and the fixing member 100 and the sliding member 200 have similar structures and functions to those of the above embodiments, and will not be described herein again.

Specifically, the foam layer 310 is a compressed compressible foam that is laid on the side of the slider 200 adjacent to the fastener 100 after compression. The foam layer 310 may be adhesively attached to the slider 200, and the foam layer 310 is used to space the fastener 100 from the slider 200. The distance between the barrier 300 and the sliding member is about 0.5mm, and the thickness of the foam layer 310 is about 0.2mm to 0.4 mm.

The foam layer 310 has certain elasticity and light weight, and can play a certain spacing effect. Meanwhile, the foam layer 310 is simple in structure and easy to prepare.

Alternatively, the foam layer 310 may also be disposed on a side of the fixing member 100 close to the sliding member 200, which is not limited herein.

Referring to fig. 9, fig. 9 is a schematic structural diagram of a screen rolling device according to another embodiment of the present application. In this embodiment, the screen rolling device 30 includes a fixing member 100, a sliding member 200 and a blocking member 300, the blocking member 300 may include a resin block 320, and the fixing member 100 and the sliding member 200 are similar in structure and function to those of the above embodiments and will not be described herein again.

The resin block 320 is fixed to the slider 200 on the side closer to the fixing member 100, and also functions to space the fixing member 100 and the slider 200 when the slider 200 is displaced toward the fixing member 100.

The resin block 320 may be selected from POM materials, which have high wear resistance. The number of the resin blocks 320 may be plural, and different resin blocks 320 are provided at different displacements of the side of the slider 200 close to the fixed member 100, and together play a role of supporting and spacing when the slider 200 slides toward the fixed member 100.

In further embodiments, the blocking member 300 may also be made of non-woven fabric, hydrogel, foam, and other materials, and any technical solution that a spacer is disposed on the fixing member 100 and the sliding member 200 to achieve the blocking effect is within the scope of the present application.

In summary, the present application provides an embodiment of a screen curling device and an electronic apparatus, where the screen curling device can effectively protect an internal structure, prevent sliding wear caused by direct contact between a sliding member and a fixing member, and prolong a service life of the electronic apparatus. The barrier piece can also use a roller structure, so that the friction force between the barrier piece and the fixing piece is further reduced, the sliding piece slides more smoothly, and the condition of pause and frustration of the conventional scroll screen electronic equipment during unfolding or recycling is improved.

In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, mechanism, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, mechanisms, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims

1. A screen curling device is applied to a flexible screen and is characterized by comprising a fixed piece, a sliding piece and a blocking piece, wherein the fixed piece is arranged adjacent to the sliding piece, the flexible screen is fixed on one side of the fixed piece, which is far away from the sliding piece, and extends to one side of the sliding piece, which is far away from the fixed piece, to be connected with the sliding piece, the sliding piece can slide with the fixed piece, and when the sliding piece slides, the sliding piece pushes or pulls the flexible screen, so that the area of the flexible screen on one side of the fixed piece is increased or reduced;

2. The screen curling device of claim 1,

the barrier piece comprises a foam layer, and the foam layer is laid on one side, close to the fixing piece, of the sliding piece.

3. The screen curling device of claim 1,

the blocking piece comprises a resin block, and the resin block is fixed on one side, close to the fixed piece, of the sliding piece.

4. The screen curling device of claim 1,

the blocking piece comprises a roller, the roller is arranged on one side of the sliding piece close to the fixed piece, and the roller is connected with the sliding piece; when the sliding occurs between the blocking piece and the fixing piece, the roller is in rolling contact with the fixing piece, and the roller can reduce the friction force between the blocking piece and the fixing piece.

5. The screen curling device of claim 4,

the blocking piece further comprises a rotating shaft and two rotating shaft supports, the two rotating shaft supports are fixed in the sliding piece, the two rotating shaft supports are respectively provided with a shaft hole, the two shaft holes are oppositely arranged, and two ends of the rotating shaft are inserted into the shaft holes and are fixedly kept with the two rotating shaft supports;

the roller is sleeved in the rotating shaft and can rotate around the rotating shaft.

6. The screen curling device of claim 5,

the roller is made of resin, the rotating shaft support is made of plastic, and the rotating shaft is made of metal.

7. The screen curling device of claim 5,

the distance between the roller and the rotating shaft is 0.01-0.03 mm.

8. The screen curling device of any one of claims 3 to 7,

the quantity of separation piece is two at least, and is different the separation piece is located the slider is close to the different positions of one side of mounting.

9. The screen curling device of any one of claims 1 to 7,

the distance between the blocking piece and the fixing piece is 0.1-0.2 mm.

10. An electronic device comprising a flexible screen and a screen curling device as claimed in any one of claims 1 to 9, wherein the flexible screen is connected to the screen curling device.