CN108519831B

CN108519831B - Bending telescopic mechanism

Info

Publication number: CN108519831B
Application number: CN201810180155.6A
Authority: CN
Inventors: 李盼; 里强
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2018-03-05
Filing date: 2018-03-05
Publication date: 2022-01-14
Anticipated expiration: 2038-03-05
Also published as: CN108519831A

Abstract

The embodiment of the invention discloses a bending telescopic mechanism, which comprises: a support layer and a stretch layer, wherein: a flexible display screen is arranged on the supporting layer; the telescopic layer is arranged on the surface of the supporting layer far away from the flexible display screen; if flexible display screen takes place to buckle, the supporting layer with flexible layer is linked and takes place to buckle, just flexible layer takes place to shrink, has solved current flexible screen and can influence the performance and the life's of flexible screen problem when buckling.

Description

Bending telescopic mechanism

Technical Field

The invention relates to the technical field of flexible terminals, in particular to a bending telescopic mechanism.

Background

With the rapid development of flexible screens, flexible terminals have become one of the new research and development hotspots in the mobile phone industry in the future. The flexible screen, i.e., the OLED display screen, is a screen composed of organic light emitting diodes, and has the advantages of low power consumption, high contrast, wide color gamut, wide viewing angle, being lighter and thinner, and being bendable, and thus will be widely applied to the next generation of terminal devices and change the form thereof. For example, the flexible bracelet is terminal, and it has two kinds of different forms of exhibition flat and bending, can satisfy user's user demand, can detain in wrist department when carrying simultaneously, conveniently carries liberation both hands.

However, the design structure of the existing flexible bracelet, because the flexible screen is on the surface layer of the bracelet terminal, the surface layer where the flexible screen is located will receive large tensile stress and be correspondingly elongated in the bending process. After a long period of use, the performance and service life of the flexible screen can be affected.

Disclosure of Invention

In view of this, the embodiment of the present invention is expected to provide a bending telescopic mechanism, which solves the problem that the performance and the service life of the flexible screen are affected when the existing flexible screen is bent, ensures the performance of the flexible screen, and prolongs the service life of the flexible screen.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

in a first aspect, a bending telescopic mechanism is provided, which comprises a supporting layer and a telescopic layer, wherein:

a flexible display screen is arranged on the supporting layer;

the telescopic layer is arranged on the surface of the supporting layer far away from the flexible display screen;

if the flexible display screen is bent, the supporting layer and the telescopic layer are linked to be bent, and the telescopic layer contracts.

Optionally, the support layer includes a support substrate.

Optionally, if the telescopic layer is bent, the telescopic layer has a sliding and contracting function.

Optionally, the telescopic layer includes: a drive member and a retraction member, wherein:

the driving part is connected with the contraction part in a sliding way;

when the driving part and the contraction part are bent, the driving part slides along the contraction part and contracts.

Optionally, the driving part at least comprises: a first powered steel blade, the retractor member comprising at least: a first volume block and a second volume block, wherein:

the first integral block is connected with one end of the first power steel sheet in a sliding manner;

the second volume block is fixedly or slidably connected with the other end of the first power steel sheet.

Optionally, the driving part at least comprises: a first powered steel blade, the retractor member comprising at least: a third volume block, a fourth volume block, and a fifth volume block, wherein:

the third volume block is connected with one end of the first power steel sheet in a sliding manner; the fifth volume block is fixedly connected with the other end of the first power steel sheet;

the fourth volume block is arranged at a preset position between the third volume block and the fifth volume block and is in sliding connection with the first power steel sheet.

the third volume block is connected with one end of the first power steel sheet in a sliding manner; the fifth volume block is connected with the other end of the first power steel sheet in a sliding manner;

the fourth volume block is arranged at a preset position between the third volume block and the fifth volume block and is fixedly connected with the first power steel sheet.

Optionally, the driving part at least comprises: the second power steel sheet and third power steel sheet, the shrink part includes at least: a third volume block, a fourth volume block, and a fifth volume block, wherein:

the third volume block is fixedly connected with one end of the second power steel sheet;

one end of the fourth volume block is connected with the other end of the second power steel sheet in a sliding mode, and the other end of the fourth volume block is connected with one end of the third power steel sheet in a sliding mode;

and the fifth volume block is fixedly connected with the other end of the third power steel sheet.

the third volume block is connected with one end of the second power steel sheet in a sliding manner;

one end of the third volume block is fixedly connected with the other end of the second power steel sheet, and the other end of the fourth volume block is fixedly connected with one end of the third power steel sheet;

and the fifth volume block is connected with the other end of the third power steel sheet in a sliding manner.

one end of the fourth volume block is fixedly connected with the other end of the second power steel sheet, and the other end of the fourth volume block is slidably connected with one end of the third power steel sheet;

Optionally, each of the first, second, third, fourth and fifth volume blocks includes a first portion and a second portion, wherein:

the first portion is close to the support layer and the second portion is far from the support layer;

the first portion and the second portion are fully snap-fitted;

a sliding groove is formed in the surface, close to the supporting layer, of the second part; the sliding groove is used for realizing the sliding of the first power steel sheet, the second power steel sheet and the third power steel sheet.

Optionally, each of the first, second and third power discs is in smooth contact with each of the first, second, third, fourth and fifth volume blocks.

Optionally, the telescopic layer further includes: a stop component, wherein:

the limiting component is used for realizing the fixed connection among the first power steel sheet, the second power steel sheet and the third power steel sheet and the first volume block, the second volume block, the third volume block, the fourth volume block and the fifth volume block;

the limiting component is also used for limiting the sliding termination positions of the first power steel sheet, the second power steel sheet and the third power steel sheet when the first power steel sheet, the second power steel sheet and the third power steel sheet are in sliding connection with the first volume block, the second volume block, the third volume block, the fourth volume block and the fifth volume block.

Optionally, the thicknesses of the first power steel sheet, the second power steel sheet and the third power steel sheet are all 01-0.2 mm.

Optionally, the first power steel sheet, the second power steel sheet and the third power steel sheet are made of spring steel materials;

the material of the first, second, third, fourth and fifth volumes comprises a hard glue.

The bending telescopic mechanism provided by the embodiment of the invention comprises: the flexible display screen comprises a supporting layer and a telescopic layer, wherein a flexible display screen is arranged on the supporting layer, the telescopic layer is arranged on the surface of the supporting layer, which is far away from the flexible display screen, and if the flexible display screen is bent, the supporting layer and the telescopic layer are linked to be bent and the telescopic layer is contracted; so, when the flexible screen takes place to buckle, the flexible layer that is located flexible screen lower floor can take place the shrink when buckling, can avoid the tensile to the flexible screen, and then has solved current flexible screen and can influence the performance and the life's of flexible screen problem when buckling, has guaranteed the performance of flexible screen, and has prolonged the life of flexible screen.

Drawings

Fig. 1 is a schematic hardware configuration diagram of an alternative mobile terminal implementing various embodiments of the present invention;

fig. 2 is a schematic structural diagram of a communication system in which a mobile terminal according to an embodiment of the present invention can operate;

FIG. 3 is a schematic cross-sectional view taken along line A-A of a bending and stretching mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of another bending and stretching mechanism provided in the embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line A-A of another bending and stretching mechanism provided in the embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view taken along line A-A of a bending and stretching mechanism according to another embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view taken along line A-A of another bending and stretching mechanism according to another embodiment of the present invention;

FIG. 8 is a schematic structural view of another bending and stretching mechanism according to another embodiment of the present invention;

FIG. 9 is a schematic structural view of a bending and stretching mechanism according to another embodiment of the present invention;

fig. 10 is a schematic top view of a bending and stretching mechanism according to an embodiment of the present invention;

fig. 11 is a schematic front view of a bending and stretching mechanism according to an embodiment of the present invention;

FIG. 12 is a schematic side view of a bending and stretching mechanism according to an embodiment of the present invention;

FIG. 13 is a schematic structural view of another bending and stretching mechanism according to another embodiment of the present invention;

fig. 14 is a schematic structural view of another bending and stretching mechanism according to another embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.

The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.

The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.

Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: a Radio Frequency (RF) unit 101, a Wi-Fi module 102, an audio output unit 103, an a/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.

The following describes each component of the mobile terminal in detail with reference to fig. 1:

the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access 2000(Code Division Multiple Access 2000, CDMA2000), Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), Frequency Division duplex Long Term Evolution (FDD-LTE), and Time Division duplex Long Term Evolution (TDD-LTE), etc.

Wi-Fi belongs to a short-distance wireless transmission technology, and a mobile terminal can help a user to receive and send emails, browse webpages, access streaming media and the like through a Wi-Fi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the Wi-Fi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the Wi-Fi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the Wi-Fi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.

Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.

The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.

Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.

In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.

Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes User Equipment (UE) 201, Evolved UMTS Terrestrial Radio Access Network (E-UTRAN) 202, Evolved Packet Core Network (EPC) 203, and IP service 204 of an operator, which are in communication connection in sequence.

Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.

The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.

The EPC203 may include a Mobility Management Entity (MME) 2031, a Home Subscriber Server (HSS) 2032, other MMEs 2033, a Serving Gateway (SGW) 2034, a packet data network gateway (PDN Gate Way, PGW)2035, and a Policy and Charging Rules Function (PCRF) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).

The IP services 204 may include the internet, intranets, IP Multimedia Subsystem (IMS) or other IP services, and the like.

Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.

Based on the above mobile terminal hardware structure and communication system, various embodiments of the present invention are proposed.

An embodiment of the present invention provides a bending and stretching mechanism, as shown in fig. 3, including: a support layer 1 and a stretch layer 2, wherein:

a flexible display screen 3 is arranged on the supporting layer 1;

the telescopic layer 2 is arranged on the surface of the supporting layer 1 far away from the flexible display screen 3;

if the flexible display screen 3 is bent, the supporting layer 1 and the telescopic layer 2 are linked to be bent, and the telescopic layer 2 is contracted.

The flexible display screen may also be called an Organic Light Emitting Diode (OLED) display screen, and is a screen formed by Organic Light Emitting diodes; the flexible display screen has the advantages of low power ratio, high contrast, wide color gamut, wide visual angle, thinness, flexibility, wide application in next generation terminal equipment and various forms; for example, the flexible display screen can be applied to wearable devices (such as flexible bracelets), tablets, mobile phones, televisions, computers and other terminals; of course, the flexible display screen can also be applied to equipment such as automobiles.

The support layer 1 is for enabling the provision of a flexible display screen.

Further, the support layer 1 includes a support substrate.

Wherein the thickness of the supporting substrate may be 0.1 mm; the supporting substrate has certain rigidity and better bending performance, and is mainly used for supporting the flexible display screen and limiting the bending shape of the flexible display screen. In one possible implementation, the material of the support substrate may include a spring steel material or the like.

Further, if the stretchable layer 2 is bent, the stretchable layer 2 has a function of sliding and shrinking.

That is, the stretchable layer is not only shrunk when it is bent, but also shrunk by sliding.

In other embodiments of the present invention, as shown in fig. 4, the telescopic layer 2 comprises: a drive member 21 and a retraction member 22, wherein:

the driving part 21 is connected with the contraction part 22 in a sliding way;

when the driving member 21 and the contracting member 22 are bent, the driving member 21 slides along the contracting member 22 and contracts.

The upper surface of the contraction member 22 is provided with a sliding groove, and when the driving member 21 and the contraction member 22 are bent together, the driving member 21 slides along the sliding groove on the upper surface of the contraction member 22 and contracts.

Further, in other embodiments of the present invention, as shown in fig. 5, the driving part 21 includes at least: the first power steel sheet 211, the contraction member 22 includes at least: a first volume block 221 and a second volume block 222, wherein:

the first integral block 221 is connected with one end of the first power steel sheet 211 in a sliding manner;

the second volume block 222 is fixedly or slidably connected with the other end of the first power steel sheet 211.

It should be noted that, in the embodiment, fig. 5 only schematically illustrates that, when the bending and stretching mechanism includes one power steel sheet (i.e., the first power steel sheet) and two volume blocks (i.e., the first volume block and the second volume block), the bending and stretching mechanism is not limited to include only the above number of power steel sheets and volume blocks, and the embodiment of the invention can be implemented according to actual requirements in a specific design. In addition, in an actual design, the positions of the first and second blocks may be interchanged, that is, in addition to fig. 5, after the positions of the first and second blocks are interchanged, the first block is disposed on the right side of the first power steel sheet, and the second block is disposed on the left side of the first power steel sheet.

Further, in other embodiments of the present invention, as shown in fig. 6, the driving part 21 includes at least: the first power steel sheet 211, the contraction member 22 includes at least: a third volume block 223, a fourth volume block 224, and a fifth volume block 225, wherein:

the third volume block 223 is connected with one end of the first power steel sheet 211 in a sliding way; the fifth volume block 225 is fixedly connected with the other end of the first power steel sheet 211;

the fourth volume block 224 is disposed at a predetermined position between the third volume block 223 and the fifth volume block 225, and is slidably coupled to the first power steel sheet 211.

The preset position can be a preset position which can ensure that the first power steel sheet slides and contracts on the third volume block, the fourth volume block and the fifth volume block when being bent. Preferably, the preset position may be a position at which a midpoint between the third volume block and the fourth volume block is located; therefore, the sliding distances of the first power steel sheet along the third volume block and the fifth volume block are consistent, and the contraction length of the first power steel sheet is further ensured to be consistent.

It should be noted that, in the embodiment, it is only schematically illustrated in fig. 6 that when the bending and stretching mechanism includes one power steel sheet (i.e., the first power steel sheet) and three volume blocks (i.e., the third volume block, the fourth volume block and the fifth volume block), and the preset position is the position of the midpoint between the third volume block and the fourth volume block, the schematic diagram of the bending and stretching mechanism is not limited to include the above number of power steel sheets and volume blocks, and the embodiment of the present invention can be implemented on the basis of the embodiment of the present invention according to actual requirements in a specific design. In addition, in the actual design, the positions of the third volume block and the fifth volume block may be interchanged, that is, after the positions of the third volume block and the fifth volume block are interchanged on the basis of fig. 6, the third volume block is disposed on the right side of the first power steel sheet, and the fifth volume block is disposed on the left side of the first power steel sheet.

Optionally, in other embodiments of the present invention, the driving part 21 includes at least: the first power steel sheet 211, the contraction member 22 includes at least: a third volume block 223, a fourth volume block 224, and a fifth volume block 225, wherein:

the third volume block 223 is connected with one end of the first power steel sheet 211 in a sliding way; the fifth volume block 225 is connected with the other end of the first power steel sheet 211 in a sliding manner;

the fourth volume block 224 is disposed at a predetermined position between the third volume block 223 and the fifth volume block 225, and is fixedly connected to the first power steel sheet 211.

It should be noted that the preset position in this embodiment is consistent with the description of the preset position in the above embodiment, and reference may be made to the description in the above embodiment, which is not described herein again.

Further, in other embodiments of the present invention, as shown in fig. 7, the driving part 21 includes at least: the second power steel sheet 212 and the third power steel sheet 213, the contraction part 22 includes at least: a third volume block 223, a fourth volume block 224, and a fifth volume block 225, wherein:

the third volume block 223 is fixedly connected with one end of the second power steel sheet 212;

one end of the fourth bulk mass 224 is slidably connected with the other end of the second power steel sheet 212, and the other end of the fourth bulk mass 224 is slidably connected with one end of the third power steel sheet 213;

and the fifth volume block 225 is fixedly connected with the other end of the third power steel sheet 213.

It should be noted that, in the embodiment, fig. 7 only schematically illustrates a schematic diagram of the bending and telescoping mechanism when the bending and telescoping mechanism includes two power steel plates (i.e., the second power steel plate and the third power steel plate) and three volume blocks (i.e., the third volume block, the fourth volume block and the fifth volume block); the number of the power steel sheets and the volume blocks is not limited, and the design can be realized on the basis of the embodiment of the invention according to actual requirements. In addition, the lengths of the second power steel sheet and the third power steel sheet can be the same or different in actual design.

Further, in other embodiments of the present invention, the driving part 21 includes at least: the second power steel sheet 212 and the third power steel sheet 213, the contraction part 22 includes at least: a third volume block 223, a fourth volume block 224, and a fifth volume block 225, wherein:

the third volume block 223 is connected with one end of the second power steel sheet 212 in a sliding way;

one end of the third bulk mass 223 is fixedly connected with the other end of the second power steel sheet 212, and the other end of the fourth bulk mass 224 is fixedly connected with one end of the third power steel sheet 213;

and the fifth volume block 225 is connected with the other end of the third power steel sheet 213 in a sliding way.

one end of the fourth bulk mass 224 is fixedly connected with the other end of the second power steel sheet 212, and the other end of the fourth bulk mass 224 is slidably connected with one end of the third power steel sheet 213;

In other embodiments of the present invention, as shown in fig. 8, each of the third, fourth and fifth volume blocks 223, 224, 225 includes a first portion a and a second portion b, wherein:

the first part a is close to the supporting layer, and the second part b is far away from the supporting layer;

the first part a and the second part b are completely buckled;

a sliding groove is arranged on the surface of the second part b close to the supporting layer 1; the sliding grooves are used for realizing the sliding of the first power steel sheet 211, the second power steel sheet 212 and the third power steel sheet 213.

Of course, the first and second volume blocks 221 and 222 also include first and second portions a and b.

It should be noted that the number and position of the chutes can be set according to specific design requirements. For example, the number of chutes may include 1-3.

Wherein each of the first, second and third

power steel discs

211, 212 and 213 is in smooth contact with each of the first, second, third, fourth and

fifth volumes

221, 222, 223, 224 and 225.

In other embodiments of the present invention, as shown in fig. 9, the telescopic layer 2 further comprises: a stopper member 23, wherein:

the limiting component 23 is used for realizing the fixed connection among the first power steel sheet 211, the second power steel sheet 212 and the third power steel sheet 213 as well as the first volume block 221, the second volume block 222, the third volume block 223, the fourth volume block 224 and the fifth volume block 225;

the limiting component 23 is further used for limiting the sliding termination positions of the first power steel sheet 211, the second power steel sheet 212 and the third power steel sheet 213 when the first power steel sheet 211, the second power steel sheet 212 and the third power steel sheet 213 are slidably connected with the first volume block 221, the second volume block 222, the third volume block 223, the fourth volume block 224 and the fifth volume block 225.

The position limiting member 23 may include a rivet or a screw. The driving part 21 includes: the two power steel sheets of the second power steel sheet 212 and the third power steel sheet 213, the contraction part 22 includes: the three volume blocks, i.e., the third volume block 223, the fourth volume block 224 and the fifth volume block 225, are taken as an example to describe the working principle of the limiting component 23: as shown in fig. 9, the second power steel sheet 212 and the third power steel sheet 213 are slidably connected with the fourth bulk block 224, an opening 24 is provided on the second power steel sheet 212 and the third power steel sheet 213, and the position and length of the opening 24 are preset; the limiting part 23 is contracted by sliding in the opening 24, and the sliding distance of the second power steel sheet 212 and the third power steel sheet 213 is limited by the boundary of the opening 24; the second power steel sheet 212 and the third power steel sheet 213 are fixedly connected with the third bulk piece 223 and the fifth bulk piece 225, at this time, the second power steel sheet 212 and the third bulk piece 223 can be fixed together at the contact position of the two through the limiting component 23, and the third power steel sheet 213 and the fifth bulk piece 225 can also be fixed together at the contact position of the two.

Wherein, the thicknesses of the first power steel sheet 211, the second power steel sheet 212 and the third power steel sheet 213 are all 0.1-0.2mm, etc. Preferably, the thickness of the first, second and third

power steel sheets

211, 212 and 213 may be 0.18mm or 0.2 mm.

Wherein, the materials of the first power steel sheet 211, the second power steel sheet 212 and the third power steel sheet 213 comprise spring steel materials and the like;

the material of the first, second, third, fourth and

fifth volume pieces

221, 222, 223, 224, 225 comprises a hard glue.

Specifically, in order to ensure that the length of the flexible display screen is not changed when the flexible display screen is bent, the structure below the flexible display screen, namely the whole bending mechanism needs to be compressed after being bent, the compression amount of the whole compression generated by each layer is equal to 2 pi delta R, and the unilateral compression amount is pi delta R; where Δ R is the distance from the flexible display screen where the layer that generates the compression is located.

In other embodiments of the present invention, if the bending and telescoping mechanism is not cut open, and the bending and telescoping mechanism includes three volume blocks and one power steel sheet, the top view can be as shown in fig. 10, and only the support layer 1 can be seen; the front view can be seen in fig. 11, where three volumes (i.e., third volume 223, fourth volume 224, and fifth volume 225) can be seen, as well as first power steel plate 211; the side view, as shown in fig. 12, may comprise a support layer 1 and a third volume piece (or a fifth volume piece).

It should be noted that FIGS. 3-7 may be based on the cross-sectional view A-A of FIG. 10; moreover, no matter the bending mechanism comprises a plurality of volume blocks and a plurality of power steel sheets, the top view (the power steel sheets are not visible) is similar to other structures except the number of the volume blocks; thus, FIGS. 3-7 may each be a cross-sectional view A-A taken on the basis of their corresponding top views.

Based on all the above embodiments, if the relationship between the power steel sheet and the volume block is that the power steel sheet in the middle slides and the power steel sheets at the two ends are fixed, the structure diagram shown in fig. 13 can be presented when the supporting layer is removed from the top view, and the third volume block 223, the fourth volume block 224 and the fifth volume block 225 can be seen; also, the opening 24 for determining the sliding stroke is visible, and in a position in the middle of the power steel sheet.

Alternatively, based on all the above embodiments, if the relationship between the power steel sheet and the volume blocks is that the power steel sheet in the middle is fixed and the power steel sheets at the two ends slide, the structure diagram shown in fig. 14 can be presented when the supporting layer is removed from the top view, and the third volume block 223, the fourth volume block 224 and the fifth volume block 225 can be seen; also, openings 24 for determining the sliding stroke are visible and at both ends of the power steel sheet.

The bending telescopic mechanism comprises a supporting layer and a telescopic layer, wherein a flexible display screen is arranged on the supporting layer, the telescopic layer is arranged on the surface of the supporting layer, which is far away from the flexible display screen, and if the flexible display screen is bent, the supporting layer and the telescopic layer are linked to be bent and the telescopic layer is contracted; so, when the flexible screen takes place to buckle, the flexible layer that is located flexible screen lower floor can take place the shrink when buckling, can avoid the tensile to the flexible screen, and then has solved current flexible screen and can influence the performance and the life's of flexible screen problem when buckling, has guaranteed the performance of flexible screen, and has prolonged the life of flexible screen.

The computer-readable storage medium may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read Only Memory (EPROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a magnetic Random Access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical Disc, or a Compact Disc Read-Only Memory (CD-ROM); and may be various electronic devices such as mobile phones, computers, tablet devices, personal digital assistants, etc., including one or any combination of the above-mentioned memories.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method described in the embodiments of the present invention.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a telescopic machanism buckles which characterized in that, telescopic machanism buckles includes: a support layer and a stretch layer, wherein:

a flexible display screen is arranged on the supporting layer;

if the flexible display screen is bent, the supporting layer and the telescopic layer are linked to be bent, and the telescopic layer contracts;

the telescopic layer comprises: the device comprises a driving part, a contraction part and a limiting part;

the driving part is connected with the contraction part in a sliding way;

when the driving part and the contraction part are bent, the driving part slides along the contraction part and contracts;

the drive member includes at least: the second power steel sheet and third power steel sheet, the shrink part includes at least: the second power steel sheet and the third power steel sheet are provided with openings; wherein: the fourth volume block is respectively connected with one end of the second power steel sheet and one end of the third power steel sheet in a sliding manner, and the third volume block and the fifth volume block are respectively fixedly connected with the other ends of the second power steel sheet and the third power steel sheet;

the limiting component achieves contraction through sliding in the opening, and the sliding distance of the second power steel sheet and the third power steel sheet is limited through the boundary of the opening.

2. The bend bellows mechanism of claim 1, wherein the support layer comprises a support base.

3. The buckle retraction mechanism according to claim 1, wherein each of the third, fourth and fifth volumes comprises a first portion and a second portion, wherein:

the first portion and the second portion are fully snap-fitted;

a sliding groove is formed in the surface, close to the supporting layer, of the second part; the sliding groove is used for realizing the sliding of the second power steel sheet and the third power steel sheet.

4. The buckle retractor mechanism of claim 1 wherein each of the second and third power steel plates is in smooth contact with each of the third, fourth and fifth volumes.

5. The buckle retractor mechanism of claim 1 wherein the stop member is retracted by sliding in the opening and the sliding distance of the second and third power steel plates is defined by the boundaries of the opening, comprising:

the limiting component is used for realizing the fixed connection between the second power steel sheet and the third volume block as well as between the fourth volume block and the fifth volume block;

the limiting component is also used for limiting the sliding termination positions of the second power steel sheet and the third power steel sheet when the second power steel sheet and the third power steel sheet are in sliding connection with the third volume block, the fourth volume block and the fifth volume block.

6. The buckle retractor mechanism of claim 1,

the materials of the second power steel sheet and the third power steel sheet comprise spring steel materials;

the material of the third, fourth and fifth volume blocks comprises a hard glue.