CN111147626A - Flexible screen expansion mechanism, expandable flexible screen assembly and terminal - Google Patents

Flexible screen expansion mechanism, expandable flexible screen assembly and terminal Download PDF

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Publication number
CN111147626A
CN111147626A CN201811308445.0A CN201811308445A CN111147626A CN 111147626 A CN111147626 A CN 111147626A CN 201811308445 A CN201811308445 A CN 201811308445A CN 111147626 A CN111147626 A CN 111147626A
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China
Prior art keywords
flexible screen
expansion mechanism
assembly
tooth
separation
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CN201811308445.0A
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CN111147626B (en
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曹丽
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ZTE Corp
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ZTE Corp
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Priority to CN201811308445.0A priority Critical patent/CN111147626B/en
Priority to PCT/CN2019/115364 priority patent/WO2020093975A1/en
Publication of CN111147626A publication Critical patent/CN111147626A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Telephone Set Structure (AREA)

Abstract

The application relates to a flexible screen expansion mechanism, an expandable flexible screen assembly and a terminal. The flexible screen expansion mechanism comprises a first storage assembly and a flat plate supporting assembly, wherein a first storage tooth-shaped structure is arranged on the first storage assembly, a flat plate tooth-shaped structure is formed on one side edge of the flat plate supporting assembly, the flat plate tooth-shaped structure and the first storage tooth-shaped structure are in staggered fit, and the first storage assembly can slide to be close to or far away from the flat plate supporting assembly. The flexible screen expansion mechanism and the expandable flexible screen assembly and the terminal comprising the flexible screen expansion mechanism can expand and recover the flexible screen by utilizing the characteristic that the flexible screen can be flexibly stored, so that when the large screen mode and the small screen mode are switched, a complete supporting surface is formed by the flat plate tooth-shaped structure and the first storage tooth-shaped structure which are arranged in a staggered matching mode, and the flexible screen is completely supported.

Description

Flexible screen expansion mechanism, expandable flexible screen assembly and terminal
Technical Field
The application relates to the technical field of display, in particular to a flexible screen expansion mechanism, an expandable flexible screen assembly with the same and a terminal.
Background
At present, display-type intelligent terminal products such as mobile phones and tablet computers have become a necessary development trend for bringing better sensory enjoyment to users. However, the larger the screen, the larger the size of the smart terminal, and the smart terminal is inconvenient to carry around. In the face of the dilemma, the flexible screen display type intelligent terminal product is produced at the right moment. The flexible screen can freely bend, and it makes the intelligent terminal product of demonstration type can break away from inherent rigid structure, realizes more diversified structural style, like crooked molding, the screen curls and accomodates etc to reduce the volume of demonstration type terminal intelligent terminal product, make the flexible screen cell-phone can have the sense organ enjoyment of big screen and the convenient carrying of little screen concurrently, become the important development direction of intelligent terminal product.
At present, a mobile terminal using a flexible screen mainly has two directions: one direction is the 3D curved surface cell-phone that uses the flexible screen, and the flexible screen of 3D curved surface can not carry out dynamic change in the use after making with the curved surface form. The advantages of this solution are: the production difficulty is relatively small, the process technology is mature, and large-scale mass production is realized; but the disadvantage is that only static curved surface application is carried out on the flexible screen, and the advantages of the flexible screen are not fully exerted. The other direction is applied to a folding machine, and the size conversion of the terminal screen size is realized in a turnover mode. However, the size of the terminal is not reduced in the mode, the thickness is increased while the screen is reduced, and the problem of inconvenience in carrying still exists; meanwhile, the double-screen folder already realizes the basic functions of the folder, so that the application of the flexible screen to the folder cannot bring brand new experience to users.
In the prior art, the invention patent with application number 2016112644013 discloses an adjusting mechanism of a flexible screen, which comprises: a fixed seat; the power device is arranged on the fixed seat; the telescopic piece is respectively coupled with the power device and the flexible screen, the power device is driven to extend or recover, the flexible screen is driven to extend when the flexible screen extends, and the flexible screen is driven to recover when the flexible screen recovers. Through the mode, although the technical effects of convenient flexible screen expansion recovery and convenient carrying are achieved, the supporting structure of the flexible screen part at the two sides of the flexible screen stretching rear fixing seat is lost, and the normal work of the flexible screen cannot be guaranteed.
Disclosure of Invention
To solve the above technical problem or at least partially solve the above technical problem, the present application provides a flexible screen expansion mechanism, an expandable flexible screen assembly and a terminal.
In a first aspect, an embodiment of the present application provides a flexible screen expansion mechanism.
According to the flexible screen expansion mechanism provided by the embodiment of the application, the flexible screen expansion mechanism comprises a first storage component and a flat plate supporting component, wherein a first storage tooth-shaped structure is arranged on the first storage component, and a flat plate tooth-shaped structure is formed on one side edge of the flat plate supporting component; the plate tooth-shaped structures are matched with the first accommodating tooth-shaped structures in a staggered mode, and the first accommodating assemblies can be close to or far away from the plate supporting assembly in a sliding mode.
Furthermore, the flat plate tooth-shaped structure and the first accommodating tooth-shaped structure respectively comprise a plurality of teeth, and the teeth on the two sides are matched in a staggered mode.
Furthermore, in the sliding stroke of the first accommodating component, the flat plate tooth-shaped structure and the first accommodating tooth-shaped structure are always in a staggered matching state.
Further, the first storage assembly further comprises a first rotating shaft and a first winding drum rotating around the first rotating shaft.
Further, the first containing assembly further comprises a first spring, and the first spring is gradually tightened along with the rotation of the first winding drum to generate a reset force.
Furthermore, the flexible screen expansion mechanism further comprises a second storage component, a plate tooth-shaped structure is formed on the edge of the other side, opposite to the plate support component, of the second storage component, the second storage component is provided with a second storage tooth-shaped structure, the plate tooth-shaped structure and the second storage tooth-shaped structure are matched in a staggered mode, and the first storage component can slide close to or far away from the plate support component.
Further, flexible screen extension mechanism still includes isolating construction, isolating construction include connecting rod, both ends respectively with connecting rod and the first outside release lever of accomodating the subassembly and rotating the connection, the connecting rod drives outside release lever switches between contraction state and expansion state.
Furthermore, the separation structure also comprises an inner side separation rod, two ends of which are respectively connected with the connecting rod and the flat plate supporting component in a rotating manner.
Furthermore, the separation structure is provided with a plurality of in series, the one end of the outside release lever of first separation structure with first storage component rotates and connects, the inboard release lever of last separation structure with dull and stereotyped supporting component rotates and connects, and the inboard release lever of last separation structure rotates with the outside release lever of next separation structure and is connected.
Furthermore, the outer separating rods and the inner separating rods are connected to the same position on the connecting rod in a one-to-one corresponding rotating mode.
Furthermore, a sliding block is arranged on the flat plate supporting component in a sliding mode, and the connecting rod is driven to move through the reciprocating sliding of the sliding block.
Furthermore, an inclined sliding groove is formed in the sliding block, and one end of the connecting rod is connected with the sliding groove in a sliding mode.
Furthermore, a push button protruding out of the flat plate supporting component is formed on the sliding block.
In a second aspect, the present application provides an expandable flexible assembly.
The expandable flexible screen assembly provided by the embodiment of the application comprises a flexible screen and a flexible screen expansion mechanism, wherein the flexible screen expansion mechanism is the flexible screen expansion mechanism provided by the embodiment of the application.
In a third aspect, an embodiment of the present application provides a terminal.
A terminal provided according to an embodiment of the present application includes the expandable flexible screen assembly provided by an embodiment of the present application.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: the flexible screen expansion mechanism, the expandable flexible screen assembly comprising the flexible screen expansion mechanism and the terminal can expand and recycle the flexible screen by utilizing the characteristic that the flexible screen can be flexibly stored, so that when the large screen mode and the small screen mode are switched, a complete supporting surface is formed by the flat plate tooth-shaped structure and the first storage tooth-shaped structure which are arranged in a staggered mode, and the flexible screen is completely supported.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a flexible screen expansion mechanism provided in an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a reference view of a flexible screen expansion mechanism provided in an embodiment of the present application in a retracted state;
FIG. 4 is a reference view of a flexible screen expansion mechanism provided in an embodiment of the present application in an expanded state;
fig. 5 is a schematic structural view of a first receiving assembly according to an embodiment of the present disclosure;
fig. 6 is an exploded view of a first receiving assembly according to an embodiment of the present disclosure;
FIG. 7 is an enlarged view of a portion of the structure shown in FIG. 6;
FIG. 8 is a schematic diagram illustrating an operation process of a flexible screen expansion mechanism according to an embodiment of the present application;
FIG. 9 is an enlarged view of a portion of FIG. 8;
FIG. 10 is a schematic diagram of a first separation structure provided in an embodiment of the present application in a recovery state;
fig. 11 is a schematic structural diagram of a first separation structure provided in an embodiment of the present application in an expanded state;
FIG. 12 is a schematic diagram of a second separation configuration provided by an embodiment of the present application;
FIG. 13 is an enlarged view of a portion of FIG. 12;
FIG. 14 is a schematic diagram of the operation of a second separation structure expansion process provided by an embodiment of the present application;
FIG. 15 is an enlarged view of a portion of FIG. 14;
FIG. 16 is a schematic diagram of the operation of a second separation structure recovery process provided by an embodiment of the present application;
FIG. 17 is an enlarged view of a portion of FIG. 16;
FIG. 18 is a schematic structural view of a third separation structure provided in an embodiment of the present application in a recovery state;
fig. 19 is a schematic structural diagram of a third separation structure provided in an embodiment of the present application in an expanded state.
In the figure, 1, a flexible screen; 2. a first receiving assembly; 201. a first receiving tooth-shaped structure; 202. a first reel; 203. a first rotating shaft; 204. a first spring; 3. a plate support assembly; 301. a planar support plate; 302. a push button; 303. a plate tooth structure; 304. a slider; 305. a chute; 4. a second receiving assembly; 401. a second receiving tooth structure; 402. a second reel; 5. a separation structure; 501. an outer separator bar; 502. an inside release lever; 503. a connecting rod.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, 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 partial embodiments of the present application, but not all 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying examples and figures 1-19.
Fig. 1 and fig. 2 are schematic structural diagrams of a flexible screen expansion mechanism provided in an embodiment of the present application. In the flexible screen expansion mechanism, the flexible screen expansion mechanism comprises a first accommodating component 2 and a flat plate supporting component 3, wherein a flat plate tooth-shaped structure 303 is formed at one side edge of the flat plate supporting component 3 for supporting the flexible screen 1, a first accommodating tooth-shaped structure 201 is arranged on the first accommodating component 2 for accommodating or releasing the flexible screen 1, the flat plate tooth-shaped structure 303 and the first accommodating tooth-shaped structure 201 are in staggered fit, and the first accommodating component 2 can slide to be close to or far away from the flat plate supporting component 3. Can drive flexible screen 1 and retrieve when first storage assembly 2 is close to dull and stereotyped supporting component 3, can drive flexible screen 1 extension when first storage assembly 2 keeps away from dull and stereotyped supporting component 3.
The flexible screen expansion mechanism in the above embodiment mainly includes a flat plate supporting component 3 and a first receiving component 2, where the flat plate supporting component is used for supporting the flexible screen 1, and the first receiving component 2 is used for receiving or releasing the flexible screen 1. The small screen state of the flexible screen is shown in fig. 3, at this time, the first receiving assembly 2 abuts against the panel supporting assembly 3, a part of the flexible screen is received in the first receiving assembly 2, and at this time, the panel tooth structures 303 arranged in a staggered fit are completely engaged with the first receiving tooth structure 201. When the flexible screen needs to be expanded, the first storage assembly 2 is driven to move in the direction away from the flat plate supporting assembly 3, and the flexible screen is driven to expand, so that the flexible screen stored in the first storage assembly 2 is gradually released, and the large screen state as shown in fig. 4 is realized. Specifically, the flat panel supporting assembly 3 includes a flat supporting plate 301 and a first accommodating assembly 2 disposed on one side of the flat supporting plate 301, wherein the flat supporting plate 301 serves as a main structure of the flat panel supporting assembly 3, when the flat panel is in a small-screen state as shown in fig. 3, the display surface of the flexible screen 1 is attached to and supported by the flat supporting plate 301 of the flat panel supporting assembly 3, and when the large-screen state as shown in fig. 4 is achieved, the staggered flat panel tooth structures 303 are gradually separated from the first accommodating tooth structures 201 from a completely engaged state, and since gaps of the tooth structures are small, the staggered tooth structures can still provide a rigid supporting plane for the flexible screen 1 thereon, thereby ensuring normal operation of the flexible screen of a newly expanded portion. It should be understood by those skilled in the art that the upper surfaces of the first receiving component and the flat plate supporting component should be kept in the same plane in the process that the flat plate tooth-shaped structure 303 approaches or leaves the first receiving tooth-shaped structure 201 to obtain the supporting effect on the flexible screen 1, and the specific implementation process may have various specific forms, for example, the teeth of the tooth-shaped structures at both sides are set as strip-shaped teeth, and are set in a mutually attached form in a matching state, and in the process of approaching or leaving, sliding limit may be generated between the mutually attached teeth, so as to ensure the linear sliding of the first receiving component; for another example, even if the teeth of the tooth-shaped structures on the two sides are in a wedge-shaped structure or a triangular structure, or the strip-shaped teeth on the two sides of the strip are not attached to each other in a matching state, and a gap is still left, a sliding limiting component can be arranged between the flat plate supporting component 3 and the first accommodating component 2 to realize linear sliding, and the sliding limiting component includes but is not limited to the matching of a sliding block and a sleeve and the matching of a convex block and a groove; for another example, in order to prevent the first receiving assembly 2 from rotating or translating in the up-and-down direction during the sliding process when approaching or departing from the tablet supporting assembly 3, a limiting assembly in another direction may be added, for example, the back surface of the tablet supporting assembly 3 and the back surface of the first receiving assembly 2 may be connected by a sliding structure that is engaged or buckled with each other, so as to achieve the limiting of the two in the rotating direction and the vertical direction.
Specifically, the plate tooth structure 303 and the first receiving tooth structure 201 both include a plurality of teeth, and the teeth on both sides are in staggered fit. The flat plate tooth-shaped structure 303 or the first tooth-shaped structure 201 for accommodating is specifically selected according to the use habit of the user and the characteristics of different flexible screens, as long as the tooth-shaped structure can be realized, the flexible screen covered on the flat plate tooth-shaped structure still can obtain good support without influencing the normal work of the flexible screen.
In order to achieve a better use effect, on the basis of the above embodiment, in the sliding stroke of the first receiving assembly 2, the plate tooth-shaped structure 303 and the first receiving tooth-shaped structure 201 are always in a staggered fit state, that is, the tooth tips of the two tooth-shaped structures are not separated from each other to generate a gap, so that the gap generated after the two tooth-shaped structures are separated from each other is prevented from being too wide to support the flexible screen. The sliding stroke of the first storage assembly 2 can be specifically limited in various ways, for example, a limiting member can be arranged at an extreme position for limiting the sliding of the first storage assembly 2, and the stroke range of the first storage assembly 2 can be limited by the size of the flexible screen.
It should be noted that, in the above embodiment, only a specific technical solution with one receiving assembly is listed, but a plurality of receiving assemblies may be further provided in the embodiment of the present application, so as to realize expansion of the flexible screen in multiple directions, and a common manner in actual use is to perform bidirectional expansion of the flexible screen on two opposite sides, for example, to realize expansion of a mobile phone screen on the left and right sides. Therefore, as a preferred embodiment, the opposite side edge of the plate supporting member 3 in the embodiment of the present application is further provided with a second receiving member 4, and the structure of the second receiving member 4 and the connection manner of the second receiving member 4 and the plate supporting member 3 are the same as those of the first receiving member 2. That is, the plate tooth-shaped structure 303 is formed on the opposite edge of the plate support member 3, the second receiving tooth-shaped structure 401 is disposed on the second receiving member 4, the plate tooth-shaped structure 303 and the second receiving tooth-shaped structure 401 are in staggered fit, and the second receiving member 4 can slide to approach or depart from the plate support member 3. Can drive flexible screen 1 and retrieve when second storage assembly 4 is close to dull and stereotyped supporting component 3, can drive flexible screen 1 extension when second storage assembly 4 keeps away from dull and stereotyped supporting component 3. This design concept is applicable to the embodiments described below in this document, and the extending direction of the flexible screen is not limited to one direction.
Fig. 5 to 7 are schematic structural views of a first receiving assembly according to an embodiment of the present disclosure. As can be seen, on the basis of the above embodiment, the first storage assembly 2 further includes a first rotating shaft 203 and a first winding drum 202 rotating around the first rotating shaft 203, and the first winding drum 202 is used for winding the flexible screen 1. One side of the flexible screen 1 can be wound and wound on the first reel 202, and the flexible screen 1 can be accommodated or released on the first reel 202 by the rotation of the first reel 202 around the first rotating shaft 203. Similarly, the second receiving assembly 4 for receiving or releasing the opposite flexible screen includes, in addition to the second receiving tooth structure 401 staggered with the plate tooth structure 303, a second rotating shaft connected to the second receiving tooth structure 401 and a second winding drum 402 rotating around the second rotating shaft, where the second winding drum 402 is used for winding the other side of the flexible screen 1. Two side edges of the flexible screen 1 can be wound on the first winding drum 202 and the second winding drum 402, and the flexible screen 1 can be accommodated or released on the first winding drum 202 and the second winding drum 402 through the rotation of the first winding drum 202 around the first rotating shaft 203 and the rotation of the second winding drum 402 around the second rotating shaft.
Fig. 8 and 9 are schematic diagrams illustrating an operation process of a flexible screen expansion mechanism according to an embodiment of the present application. As shown in the figure, when the flexible screen needs to be expanded, the first receiving assembly 3 and the second receiving assembly 4 are pushed in the direction of the arrow shown in the figure, the first receiving assembly 2 and the second receiving assembly 4 move to the two sides of the whole machine, the first winding drum 202 and the second winding drum 402 rotate in the direction of the arrow shown in fig. 8, and the flexible screen 1 which is coiled and received at the two sides is gradually released. Meanwhile, the plate tooth structures 303 on the two sides of the plate support component 3 are gradually separated from the first accommodating tooth structure 201 and the second accommodating tooth structure 401, and the staggered tooth structures can still provide a rigid support plane for the flexible screen 1 thereon because the gaps between the tooth structures are very small.
As a further example, as shown in fig. 6 and 7, the first housing assembly 2 further includes a first spring 204, the first spring 204 being gradually tightened as the first spool 202 rotates, generating a return force. Of course, the first spring 204 will gradually contract and generate a reset force when the first winding tube 202 rotates in one direction, and then the shape of the first spring 204 will gradually recover and the reset force will gradually disappear when the first winding tube 202 rotates in the opposite direction. For example, as the flexible screen 1 expands, the first spring 204 gradually tightens with the rotation of the first reel 202, generating a return force, and as the flexible screen 1 retracts, the tightened first spring 204 may power the rotation of the first reel 202. Likewise, the second housing assembly 4 may further include a second spring that is gradually tightened as the second winding drum 402 rotates to generate a restoring force when the flexible screen 1 is expanded. Upon retraction of the flexible screen 1, the second winding spring being wound may power the rotation of the second winding drum 402.
As shown in fig. 10, a slider 304 is slidably disposed on the plate support member 3, and the first receiving member 2 or the second receiving member 4 is driven to approach or separate from the plate support member 3 by the reciprocal sliding of the slider 304. Preferably, the sliding direction of the sliding block along the plate supporting component 3 is the same as the direction of the first receiving component 2 or the second receiving component 4 driven by the sliding block, so that a better use experience can be obtained during control.
In a preferred embodiment, the sliding block 304 is formed with a push button 302 protruding from the flat plate supporting component 3, and the sliding of the sliding block 304 can be controlled by the push button 302, so as to further achieve the recovery and expansion of the flexible screen. More preferably, as shown in fig. 10, the push button 302 is disposed near the center line of the whole machine.
Specifically, the flexible screen expansion mechanism further comprises a separation structure 5, and the first storage component 2 or the second storage component 4 is close to or far away from the flat plate support component 3 through the separation structure 5.
Fig. 10 and 11 are schematic structural diagrams of a first separation structure provided in an embodiment of the present application. Fig. 10 is a schematic structural view of a first separation structure in a flexible screen recovery state; fig. 11 is a schematic structural view of a first separation structure in an expanded state of the flexible screen.
As shown in the figure, the separating structure 5 includes a connecting rod 503, and an outside separating rod 501 with two ends respectively rotatably connected to the connecting rod 503 and the first accommodating component 2, and the connecting rod 503 drives the outside separating rod 501 to switch between a retracted state and an extended state. When the outer separating rod 501 is in the contracted state, the first accommodating component 2 or the second accommodating component 4 is in a position close to the flat plate supporting component 3, and at the moment, the flexible screen 1 is in the expanded state; when the outside separation lever 501 is in the extended state, the first storage assembly 2 or the second storage assembly 4 is in a position away from the flat panel support assembly 3, and the flexible screen 1 is in the retracted state.
In a further embodiment, the separating structure 5 may cooperate with the sliding block 304 in other embodiments, and the connecting rod 503 is driven to move by the reciprocating sliding of the sliding block 304. An inclined slide groove 305 is formed in the slide block 304, and one end of the link 503 is slidably connected to the slide groove 305.
When the flexible screen needs to be retracted, taking the separation structure on the left side in the figure as an example, the push button 302 is pushed to move rightwards, a thrust perpendicular to the inner inclined plane of the groove is generated on the contact point of the inclined groove 305 on the sliding block 304 driven by the push button 302 and the bottom end of the connecting rod 503, and according to the force decomposition principle, the thrust can be decomposed into a vertically downward thrust to drive the connecting rod 503 to move vertically downward. Along with the downward movement of the connecting rod 503, the outer separating rod 501 is gradually retracted, the included angle between the outer separating rod 501 and the connecting rod 503 is gradually reduced, and the first accommodating component 2 and the second accommodating component 4 are gradually combined with the flat plate supporting component 3, so that the flexible screen is retracted, and the state shown in fig. 10 is realized.
When the flexible screen needs to be expanded, taking the left separation structure as an example, the push button 302 is pushed to move leftward, a thrust perpendicular to the inner oblique surface of the groove is generated at a contact point of the oblique groove 305 on the slider 304 driven by the push button 302 and the bottom end of the connecting rod 503, and according to the force decomposition principle, the thrust is decomposed into a vertically upward thrust to push the connecting rod 503 to move vertically upward. With the upward movement of the link 503, the outside separation lever 501 is gradually flattened and tends to be perpendicular to the link 503, thereby pushing the first storage assembly 2 and the second storage assembly 4 to move to the left and right sides, respectively, to be separated from the flat plate support assembly 3, and thus achieving the state shown in fig. 11.
Fig. 12-17 are schematic structural views of a second separation structure provided in an embodiment of the present application. Wherein FIGS. 12 and 13 are schematic illustrations of the structure of a second separation structure; FIGS. 14 and 15 are schematic views illustrating the operation of the second separation structure during the expansion of the flexible screen; fig. 16 and 17 are schematic views illustrating the operation of the second separation structure during the recycling of the flexible screen.
As shown in fig. 12 and 13, the separating structure 5 includes a connecting rod 503 perpendicular to the expansion direction of the flexible screen 1, an outer separating rod 501 with two ends rotatably connected to the connecting rod 503 and the first storage assembly 2, respectively, an inclined sliding slot 305 is formed on the sliding block 304, one end of the connecting rod 503 is slidably connected to the sliding slot 305, and the separating structure 5 further includes an inner separating rod 502 with two ends rotatably connected to the connecting rod 503 and the flat plate support assembly 3, respectively. The second separation structure may further increase the deployed area of the flexible screen relative to the first separation structure.
When the flexible screen needs to be expanded, taking the left-side separation structure in fig. 14 as an example, the push button 302 is pushed to move to the left, as can be seen from the detail enlarged view in fig. 15, an inclined plane perpendicular to the groove inner surface is generated at the contact point of the inclined groove 305 on the slider 304 driven by the push button 302 and the bottom end of the connecting rod 503Upward and leftward thrust F1Thrust F according to the principle of force resolution1Can decompose vertical upward thrust F2The push link 503 moves vertically upward. With the upward movement of the link 503, the outside separation lever 501 and the inside separation lever 502 are gradually flattened, thereby pushing the first storage assembly 2 and the second storage assembly 4 to move to the left and right sides, respectively, to be separated from the flat plate support assembly 3, and achieving the state shown in fig. 14.
When the flexible screen needs to be retracted, taking the left-side separation structure of fig. 16 as an example, the push button 302 is pushed to move to the right, and as can be seen from the detailed enlarged view of fig. 17, a pushing force F perpendicular to the inner slope of the groove and downward to the right is generated on the contact point of the inclined groove 305 on the slider 304 driven by the push button 302 and the bottom end of the connecting rod 5031Thrust F according to the principle of force resolution1Can decompose vertical downward thrust F2The link 503 is driven to move vertically downward. With the downward movement of the link 503, the outside separation lever 501 and the inside separation lever 502 are gradually retracted. The first receiving assembly 2 and the second receiving assembly 4 are then gradually combined with the flat plate supporting assembly 3 to complete the retraction of the flexible screen, and the state shown in fig. 16 is realized.
It should be noted that, the outer separating rod 501 in the first separating structure or the outer separating rod 501 and the inner separating rod 502 in the second separating structure may be provided as one, or may be provided as a plurality of, preferably as a plurality of, so that the connection is firmer and the expansion and recovery processes are smoother.
In addition, the outer separating rods 501 and the inner separating rods 502 in the second separating structure can be rotatably connected to the same positions of the connecting rods 503 in a one-to-one correspondence manner, so that the outer separating rods 501 and the inner separating rods 502 can gradually change from the extended state of the linear structure to the contracted state of the V-shaped structure during the flexible screen recovery process, and the outer separating rods 501 and the inner separating rods 502 can gradually change from the contracted state of the V-shaped structure to the extended state of the linear structure during the flexible screen expansion process.
Fig. 18 and 19 are schematic structural diagrams of a third separation structure provided in an embodiment of the present application. Fig. 18 is a schematic structural view of a third separation structure in a flexible screen recovery state; fig. 19 is a schematic structural view of a third separation structure in an expanded state of the flexible screen.
The third kind of isolating construction establishes ties and is provided with a plurality of this application embodiments and provides the second isolating construction, and the one end and the first subassembly of accomodating of the outside release lever of first isolating construction rotate to be connected, and last isolating construction's inboard release lever rotates with dull and stereotyped supporting component to be connected, and last isolating construction's inboard release lever rotates with next isolating construction's outside release lever to be connected, and each isolating construction's connecting rod all corresponds there is a spout. The third separation structure may further increase the deployed area of the flexible screen relative to the second separation structure.
The third separation structure in fig. 18 and 19 is illustrated as a scheme of serially connecting two second separation structures, one end of the outer separation rod of the first second separation structure is rotatably connected with the first receiving assembly, the inner separation rod of the second separation structure is rotatably connected with the flat plate supporting assembly, the inner separation rod of the first second separation structure is rotatably connected with the outer separation rod of the second separation structure, and the connecting rods of the two second separation structures are provided with a sliding groove respectively. The principle of the third separation structure for realizing the flexible screen recovery and expansion is only the superposition of a plurality of second separation structures, and redundant description is not repeated here. When the outer separating rods 501 and the inner separating rods 502 are rotatably connected to the same positions of the connecting rods 503 in a one-to-one correspondence manner, in the process of expanding the flexible screen, the outer separating rods 501 and the inner separating rods 502 of the third separating structure shown in fig. 18 and 19 gradually change from the contracted state of the W-shaped structure form to the extended state of the straight line form, and in the process of recovering the flexible screen, the outer separating rods 501 and the inner separating rods 502 of the third separating structure shown in fig. 18 and 19 gradually change from the extended state of the straight line form to the contracted state of the W-shaped structure form.
In addition, the embodiment of the application also discloses an expandable flexible screen assembly, which comprises a flexible screen and a flexible screen expansion mechanism, wherein the flexible screen expansion mechanism is the flexible screen expansion mechanism provided by the embodiment of the invention. Therefore, the expandable flexible screen assembly with the flexible expansion mechanism also has all the technical effects, and the detailed description is omitted.
In addition, the embodiment of the application also discloses a terminal which comprises the expandable flexible screen assembly provided by the embodiment of the invention. Therefore, the terminal with the expandable flexible screen assembly also has all the technical effects, and the detailed description is omitted.
The terminal according to the above embodiments may be a mobile phone, a tablet computer, an e-reader, etc., and other configurations and operations of the terminal will be known to those skilled in the art and will not be described in detail herein.
Some embodiments in this specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (15)

1. The flexible screen expansion mechanism is characterized by comprising a first storage component (2) and a flat plate support component (3), wherein a first storage tooth-shaped structure (201) is arranged on the first storage component (2), and a flat plate tooth-shaped structure (303) is formed at one side edge of the flat plate support component (3);
the plate tooth-shaped structure (303) is matched with the first receiving tooth-shaped structure (201) in a staggered mode, and the first receiving component (2) can be close to or far away from the plate supporting component (3) in a sliding mode.
2. The flexible screen expansion mechanism of claim 1, wherein the plate teeth (303) and the first receiving teeth (201) each comprise a plurality of teeth, and the teeth on either side are interfitted.
3. The flexible screen expansion mechanism of claim 1, wherein the plate teeth (303) are always in a staggered engagement with the first receiving teeth (201) during the sliding stroke of the first receiving member (2).
4. The flexible screen expansion mechanism of claim 1, wherein the first receiving assembly (2) further comprises a first rotation shaft (203) and a first roller (202) rotating around the first rotation shaft (203).
5. A flexible screen expansion mechanism according to claim 4, wherein the first housing assembly (2) further comprises a first spring (204), the first spring (204) being progressively tightened as the first spool (202) rotates, generating a return force.
6. A flexible screen expansion mechanism according to any of claims 1 to 5, further comprising a second receiving member (4), wherein the plate support member (3) is formed with a plate tooth structure (303) at the opposite side edge, the second receiving member (4) is provided with a second receiving tooth structure (401), the plate tooth structure (303) and the second receiving tooth structure (401) are in staggered fit, and the second receiving member (4) is slidable to approach or move away from the plate support member (3).
7. The flexible screen expansion mechanism according to claim 1, further comprising a separation structure (5), wherein the separation structure (5) comprises a connecting rod (503) and an outer separation rod (501) with two ends respectively rotatably connected with the connecting rod (503) and the first storage assembly (2), and the connecting rod (503) drives the outer separation rod (501) to switch between a retracted state and an extended state.
8. The flexible screen expansion mechanism according to claim 7, wherein the separation structure (5) further comprises an inner separation rod (502) rotatably connected at both ends to the link (503) and the plate support assembly (3), respectively.
9. The flexible screen expansion mechanism according to claim 8, wherein a plurality of separation structures (5) are arranged in series, one end of the outer separation rod of the first separation structure is rotatably connected with the first receiving assembly, the inner separation rod of the last separation structure is rotatably connected with the flat plate supporting assembly, and the inner separation rod of the previous separation structure is rotatably connected with the outer separation rod of the next separation structure.
10. The flexible screen expansion mechanism according to claim 8 or 9, characterized in that the outer separating rods (501) and the inner separating rods (502) are rotatably connected to the same position on the connecting rod (503) in a one-to-one correspondence manner.
11. The flexible screen expansion mechanism according to any of claims 7-9, characterized in that a slider (304) is slidably arranged on the flat plate support assembly (3), and the link (503) is driven to move by the reciprocating sliding of the slider (304).
12. The flexible screen expansion mechanism according to claim 11, wherein an inclined sliding groove (305) is formed on the sliding block (304), and one end of the connecting rod (503) is slidably connected with the sliding groove (305).
13. The flexible screen expansion mechanism of claim 11, wherein the slider (304) is formed with a push button (302) protruding from the flat plate support member (3).
14. An expandable flexible screen assembly, comprising:
a flexible screen (1);
a flexible screen expansion mechanism, the flexible screen expansion mechanism being as claimed in any one of claims 1 to 13.
15. A terminal comprising the expandable flexible screen assembly of claim 14.
CN201811308445.0A 2018-11-05 2018-11-05 Flexible screen expansion mechanism, expandable flexible screen assembly and terminal Active CN111147626B (en)

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