CN113920872A - Electronic device - Google Patents
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- CN113920872A CN113920872A CN202111193368.0A CN202111193368A CN113920872A CN 113920872 A CN113920872 A CN 113920872A CN 202111193368 A CN202111193368 A CN 202111193368A CN 113920872 A CN113920872 A CN 113920872A
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- 238000005452 bending Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
The application discloses an electronic device, which comprises a first folding part, a second folding part, a rotating shaft and a display screen, wherein the first folding part and the second folding part are rotatably connected through the rotating shaft; when the electronic device is in an unfolded state, the distance between the first folding part and the second folding part is a first distance, and the first distance is greater than or equal to the length of the long axis of the elliptical section; under the condition that the electronic equipment is in a folded state, the distance between the first folding part and the second folding part is a second distance, and the second distance is smaller than the first distance.
Description
Technical Field
The application belongs to the technical field of electronic products, and particularly relates to an electronic device.
Background
With the development and progress of the flexible panel technology, the flexible folding screen is widely applied depending on the large screen performance and the folding characteristic of the flexible folding screen. However, during the folding process of the flexible folding screen, especially after being bent for multiple times, creases are easily formed at the bending positions, which further affects the service life of the flexible folding screen.
It can be seen that the flexible folding screen in the related art has a problem of short service life.
Disclosure of Invention
The application aims at providing an electronic device, which can solve the problem that a flexible folding screen in the related art is short in service life.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides an electronic device, including a first folding portion, a second folding portion, a rotating shaft, and a display screen, where the first folding portion and the second folding portion are rotatably connected by the rotating shaft, one end of the display screen is connected to the first folding portion, the other end of the display screen is connected to the second folding portion, the rotating shaft is an elliptic cylinder rotating shaft, and a radial cross section of the rotating shaft is an elliptic cross section;
when the electronic device is in an unfolded state, the distance between the first folding part and the second folding part is a first distance, and the first distance is greater than or equal to the length of the long axis of the elliptical section;
under the condition that the electronic equipment is in a folded state, the distance between the first folding part and the second folding part is a second distance, and the second distance is smaller than the first distance.
In the embodiment of the present application, since the second distance is smaller than the first distance, that is, the distance between the first folding portion and the second folding portion of the electronic device in the folded state is smaller than the distance between the first folding portion and the second folding portion of the electronic device in the unfolded state, namely, the extension size of the display screen in the folding state is not consistent with that in the unfolding state, namely the extension size of the display screen can be changed along with the folding operation or the unfolding operation of the electronic equipment, so that the rotating shaft can provide continuous support for the display screen and the display screen is always in a tight state in the folding or unfolding process of the electronic equipment, thereby avoiding the slight upward or downward arching and bending phenomenon of the part of the display screen corresponding to the rotating shaft, further, the electronic equipment is prevented from forming a crease at the bending position of the display screen in the unfolding process, and the purpose of prolonging the service life of the display screen is achieved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an exploded schematic view of an electronic device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an electronic device in an unfolded state according to an embodiment of the present application;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2;
FIG. 4 is a schematic view of an elliptical cross-section of a shaft provided by an embodiment of the present application;
FIG. 5 is a schematic structural diagram of an elliptic cylindrical surface of a rotating shaft provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device provided in an embodiment of the present application in a folded state;
fig. 7 is a schematic structural diagram of an electronic device in an intermediate state according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. 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.
The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 to 7, an embodiment of the present application provides an electronic device, which is a folding screen electronic device, and includes a first folding portion 10, a second folding portion 20, a rotating shaft 30 and a display screen 40, where the first folding portion 10 and the second folding portion 20 are rotatably connected through the rotating shaft 30, one end of the display screen 40 is connected to the first folding portion 10, the other end of the display screen 40 is connected to the second folding portion 20, the rotating shaft 30 is an elliptic cylindrical rotating shaft, and a radial cross section of the rotating shaft 30 is an elliptic cross section;
when the electronic device is in the unfolded state, the distance between the first folding part 10 and the second folding part 20 is a first distance, and the first distance is greater than or equal to the length of the major axis of the elliptical cross section;
in a case where the electronic apparatus is in a folded state, a distance between the first folding portion 10 and the second folding portion 20 is a second distance, and the second distance is smaller than the first distance.
It is understood that the display 40 in this embodiment may be a flexible display, and the display 40 may be bent or flattened along with the folding or unfolding of the electronic device, and has good bending performance.
The electronic device in the unfolded state may be understood as the electronic device in the fully unfolded state, and the electronic device in the folded state may be understood as the electronic device in the fully folded state.
Since the second distance is smaller than the first distance, i.e. the distance between the first folding part 10 and the second folding part 20 of the electronic device in the folded state is smaller than the distance between the first folding part 10 and the second folding part 20 of the electronic device in the unfolded state, that is, the extension size of the display screen 40 in the folded state and the extended state is not consistent, that is, the extension size of the display screen 40 may be changed with the folding operation or the extending operation of the electronic device, so that the rotating shaft 30 can provide continuous support for the display screen 40 during the folding or unfolding process of the electronic device, and the display screen 40 is always in a tight state, thereby preventing a slight upward or downward arching of the portion of the display screen 40 corresponding to the rotation axis 30, further, the electronic device is prevented from forming a crease at the bending position of the display screen 40 in the unfolding process, and the purpose of prolonging the service life of the display screen 40 is achieved.
It is understood that, during the folding or unfolding process of the electronic device, the first folding portion 10 and the second folding portion 20 can move along the elliptic cylindrical surface of the rotation shaft 30, that is, by moving along the elliptic cylindrical surface, so that the distance between the first folding portion 10 and the second folding portion 20 changes, and the extension size of the display screen 40 can be changed along with the change of the distance between the first folding portion 10 and the second folding portion 20.
In an example, the extension size of the display screen 40 may be changed synchronously with the distance between the first folding portion 10 and the second folding portion 20, so that the display screen 40 can be always in a tight state, and a crease is prevented from being formed at the bending position of the display screen 40 during the unfolding process of the electronic device.
Alternatively, as shown in fig. 4, two ends of the major axis of the elliptical cross section of the rotating shaft 30 are a first major axis end 31 and a second major axis end 32, respectively, and two ends of the minor axis of the elliptical cross section are a first minor axis end 33 and a second minor axis end 34, respectively;
when the electronic device is in the unfolded state, the first folding portion 10 abuts against a region corresponding to the first long shaft end 31 on the elliptic cylindrical surface of the rotating shaft 30, and the second folding portion 20 abuts against a region corresponding to the second long shaft end 32 on the elliptic cylindrical surface;
in the folded state of the electronic device, the first fold 10 and the second fold 20 each abut against a region of the elliptic cylinder corresponding to the first stub end 33.
In this embodiment, when the electronic device is in the unfolded state, the first folding portion 10 and the second folding portion 20 may be respectively abutted against two ends of the major axis of the elliptical cross section, so that the portion of the display screen 40 corresponding to the rotating shaft 30 may be completely unfolded; and under the condition that electronic equipment is in folded state, through all carrying out the butt with the region that first folding portion 10 and second folding portion 20 correspond with the one end of the minor axis of elliptical cross-section to make the elliptic cylinder of pivot 30 can provide the support to the screen part of the corresponding pivot 30 of display screen 40, the screen part of the corresponding pivot 30 of display screen 40 can paste on the elliptic cylinder of pivot 30 promptly, thereby avoid forming the crease in the bending position of display screen 40, and reach the purpose of extension display screen 40's life.
When the electronic device is in the unfolded state, the first folding part 10 abuts against an area corresponding to the first long shaft end 31 on the elliptic cylindrical surface of the rotating shaft 30, and the second folding part 20 abuts against an area corresponding to the second long shaft end 32 on the elliptic cylindrical surface; it is understood that, in the unfolded state of the electronic device, the first folded portion 10 abuts against a region of the elliptic cylinder directly facing the first long axis end 31 or the first folded portion 10 abuts against a region of the elliptic cylinder directly adjacent to the first long axis end 31, and the second folded portion 20 abuts against a region of the elliptic cylinder directly facing the second long axis end 32 or the second folded portion 20 abuts against a region of the elliptic cylinder directly adjacent to the second long axis end 32.
Accordingly, in the folded state of the electronic apparatus, the first folding portion 10 and the second folding portion 20 are both abutted with the region of the elliptic cylindrical surface corresponding to the first stub end 33; it is to be understood that, in the folded state of the electronic apparatus, the first folded portion 10 and the second folded portion 20 are both in abutment with the region of the elliptic cylinder directly opposite to the first stub end 33 or the first folded portion 10 and the second folded portion 20 are both in abutment with the adjacent region of the first stub end 33 of the elliptic cylinder.
Alternatively, as shown in fig. 5, the elliptic cylindrical surface includes a first straight line, a second straight line, a third straight line and a fourth straight line parallel to the axial center line of the rotating shaft 30, the first straight line is a straight line passing through the first long shaft end 31 on the elliptic cylindrical surface, the second straight line is a straight line passing through the second long shaft end 32 on the elliptic cylindrical surface, the third straight line is a straight line passing through the first short shaft end 33 on the elliptic cylindrical surface, and the fourth straight line is a straight line passing through the second short shaft end 34 on the elliptic cylindrical surface;
the first straight line and the third straight line divide the elliptic cylindrical surface into a first cylindrical surface area 35, the second straight line and the third straight line divide the elliptic cylindrical surface into a second cylindrical surface area 36, and the first cylindrical surface area 35 and the second cylindrical surface area 36 are positioned on the same side of the elliptic cylindrical surface;
when the electronic apparatus is switched from the unfolded state to the folded state, the first folded portion 10 moves along the region of the first cylindrical surface 35 corresponding to the first long axis end 31 to the region corresponding to the first short axis end 33, and the second folded portion 20 moves along the region of the second cylindrical surface 36 corresponding to the second long axis end 32 to the region corresponding to the first short axis end 33.
When the electronic device is switched from the folded state to the unfolded state, the first folded portion 10 moves along the region of the first cylindrical surface 35 corresponding to the first short axis end 33 to the region corresponding to the first long axis end 31, and the second folded portion 20 moves along the region of the second cylindrical surface 36 corresponding to the first short axis end 33 to the region corresponding to the second long axis end 32.
In the present embodiment, during the process of unfolding or folding the electronic device, the first folding portion 10 and the second folding portion 20 move along the first cylindrical surface 35 and the second cylindrical surface 36, respectively, and because during the process of folding or bending the electronic device, the first folding portion 10 and the second folding portion 20 are always abutted against the elliptic cylindrical surface of the rotating shaft 30; that is, in the process of unfolding or folding the electronic device, the distance between the first folding portion 10 and the second folding portion 20 is gradually changed, and the extension size of the display screen 40 can be changed synchronously with the distance between the first folding portion 10 and the second folding portion 20, so that the display screen 40 can be always in a tight state, thereby preventing the part of the display screen 40 corresponding to the rotating shaft 30 from being slightly bent upwards or downwards, further preventing the electronic device from forming a crease at the bending position of the display screen 40 in the process of unfolding, and achieving the purpose of prolonging the service life of the display screen 40.
It will be understood that the first cylindrical surface section 35 may be one-fourth the size of the elliptical cylinder and the second cylindrical surface section 36 may also be one-fourth the size of the elliptical cylinder, i.e., the first cylindrical surface section 35 and the second cylindrical surface section 36 may constitute one-half the size of the elliptical cylinder of the shaft 30.
Optionally, the first folding portion 10 includes a first frame 11, a first support plate 12 and a first elastic connector 13, the first support plate 12 is movably disposed on the first frame 11, and two ends of the first elastic connector 13 are respectively connected to the first frame 11 and the first support plate 12;
the second folding portion 20 includes a second frame 21, a second support plate 22 and a second elastic connecting member 23, the second support plate 22 is movably disposed on the second frame 21, and two ends of the second elastic connecting member 23 are respectively connected with the second frame 21 and the second support plate 22;
two ends of the rotating shaft 30 are respectively provided with a rotating shaft connecting part 50, the radial cross section of the rotating shaft connecting part 50 is a circular cross section, and the first frame body 11 and the second frame body 21 are rotationally connected through the rotating shaft connecting part 50;
one end of the display screen 40 is connected with the first support plate 12, and the other end is connected with the second support plate 22;
under the condition that the electronic equipment is in an unfolded state, the first support plate 11 is abutted with the area corresponding to the first long shaft end 31 on the elliptic cylindrical surface under the action of the first elastic connecting piece 13, and the second support plate 22 is abutted with the area corresponding to the second long shaft end 32 on the elliptic cylindrical surface under the action of the second elastic connecting piece 23;
in the folded state of the electronic device, and under the action of the first and second elastic connectors 13 and 23, the first and second support plates 12 and 22 are each abutted against the area of the elliptic cylindrical surface corresponding to the first stub end 33.
Wherein, the rotation shaft 30 and the rotation shaft connecting part 50 may be an integral structure.
In this embodiment, since the first support plate 12 is movably disposed on the first frame 11 and the second support plate 22 is movably disposed on the second frame 21, the electronic device can push the first support plate 12 and the second support plate 22 to move toward the display screen 40 through the rotating shaft 30 during the unfolding process, so as to prevent the portion of the display screen 40 corresponding to the rotating shaft 30 from slightly bending upwards or downwards, further prevent the electronic device from forming a crease mark at the bending position of the display screen 40 during the unfolding process, and achieve the purpose of prolonging the service life of the display screen 40.
It is understood that the first elastic connection member 13 may provide an elastic supporting force to abut the first support plate 12 against the rotation shaft 30; in addition, during the folding process of the electronic device, the elastic supporting force of the first elastic connecting part 13 can push the first supporting plate 12 to move relative to the first frame 11, so that the first supporting plate 12 can be always abutted against the rotating shaft 30.
Accordingly, the second elastic connection member 23 may also provide an elastic supporting force to make the second support plate 22 abut against the rotation shaft 30.
In addition, during the folding process of the electronic device, the elastic supporting force of the second elastic connecting member 23 can push the second supporting plate 22 to move relative to the second frame 21, so that the second supporting plate 22 can be always abutted against the rotating shaft 30.
In addition, in the present application, regardless of whether the electronic device is in the unfolding process or the folding process, the first elastic connector 13 and the second elastic connector 23 may be in the compressed state, and the elastic restoring force of the first elastic connector 13 and the second elastic connector 23 may be used as the corresponding elastic supporting force.
In some embodiments, the first and second elastic connectors 13 and 23 may each be a spring; in order to provide stable elastic acting force for the first elastic connecting piece 13 and the second elastic connecting piece 23, a plurality of uniformly distributed first elastic connecting pieces 13 can be arranged between the first frame body 11 and the first supporting plate 12; a plurality of uniformly distributed second elastic connecting members 23 may also be provided between the second frame body 21 and the second support plate 22.
In other embodiments, the first support plate 12 includes a first side surface and a second side surface that are opposite to each other, the first side surface is a side surface of the first support plate 12 that abuts against the elliptic cylindrical surface of the rotating shaft 30, and two ends of the first elastic connecting member 13 are respectively connected to the inner wall and the second side surface of the first frame 11; the second support plate 12 includes a third side and a fourth side that are opposite to each other, the third side is the side of the second support plate 12 that abuts against the elliptic cylindrical surface of the rotating shaft 30, and the two ends of the second elastic connecting member 23 are connected with the inner wall and the fourth side of the second frame 21, respectively.
Alternatively, the shaft 30 is a rigid shaft.
In this embodiment, the rotating shaft 30 is set as a rigid rotating shaft, so that in the process of unfolding or folding the electronic device, the distance between the first folding portion 10 and the second folding portion 20 can be gradually changed along with the change of the unfolding angle of the electronic device, thereby preventing the portion of the display screen 40 corresponding to the rotating shaft 30 from being slightly bent upwards or downwards, and achieving the purpose of prolonging the service life of the display screen 40.
Furthermore, the shape of the rotating shaft 30, particularly the size of the oval radial cross section, can be controlled such that the unfolding angle or folding angle of the electronic device corresponds one-to-one to the displacement of the first support plate 12 relative to the first frame 11 and/or the displacement of the second support plate 22 relative to the second frame 21, that is, the bending angle of the display screen 40 corresponds to the displacement of the first support plate 12 relative to the first frame 11 and/or the displacement of the second support plate 22 relative to the second frame 21, to achieve that the varying size of the display screen 40 during the unfolding or folding of the electronic device is synchronized with the corresponding displacement size of the first support plate 12 and/or the second support plate 22, thereby avoiding the phenomenon that the display screen 40 is pulled and folded during the unfolding or folding process of the electronic equipment, and the folding of the display screen 40 is avoided, so as to achieve the purpose of prolonging the service life of the display screen 40.
Further, by making the radial cross section of the rotating shaft connecting portion 50 a circular cross section, it is convenient for the first frame 11 or the second frame 21 and the rotating shaft connecting portion 50 to perform the rotating operation, and the convenience of the rotating connection between the first frame 11 or the second frame 21 and the rotating shaft connecting portion 50 is improved.
Alternatively, the rotation shaft connecting portion 50 is provided with first gear teeth and second gear teeth, the first frame body 11 is provided with third gear teeth engaged with the first gear teeth, and the second frame body 21 is provided with fourth gear teeth engaged with the second gear teeth;
the first frame body 11 is connected with the rotating shaft connecting part through the meshing of the third gear teeth and the first gear teeth;
the second frame 21 is connected to the rotation shaft connecting portion by engagement of the fourth gear teeth and the second gear teeth.
In this embodiment, the third gear teeth are engaged with the first gear teeth to realize the connection between the first frame body 11 and the rotating shaft connecting portion, and the fourth gear teeth are engaged with the second gear teeth to realize the connection between the second frame body 21 and the rotating shaft connecting portion, so that the structure of the transmission structure of the first frame body 11 and the rotating shaft connecting portion, and the transmission structure of the second frame body 21 and the rotating shaft connecting portion can be simplified, and the transmission structure of the first frame body 11 and the rotating shaft connecting portion, and the transmission structure of the second frame body 21 and the rotating shaft connecting portion are simple and efficient.
It is to be understood that the transmission of the first frame 11 and the rotation shaft connecting portion 50 and the transmission of the second frame 21 and the rotation shaft connecting portion 50 may be a transmission mechanism such as a lead screw-nut mechanism or a crank link mechanism.
Optionally, the electronic device further includes a first hinge 61 and a second hinge 62, the first housing 11 is connected to the rotation shaft connecting portion 50 through the first hinge 61, and the second housing 21 is connected to the rotation shaft connecting portion 50 through the second hinge 62.
In the present embodiment, the stability of the connection between the first and second housings 11 and 21 and the rotation shaft connection portion 50 can be improved by providing the first and second hinges 61 and 62.
In one example, the first hinge 61 includes a first fixing piece, a first rivet and a second rivet, one end of the first fixing piece is movably connected to the first frame 11 by the first rivet, and the other end of the first fixing piece is movably connected to the rotation shaft connecting portion 50 by the second rivet; the second hinge 62 includes a second fixing plate, a third rivet and a fourth rivet, one end of the second fixing plate is movably connected to the second frame 21 through the third rivet, and the other end of the second fixing plate is movably connected to the rotation shaft connecting portion 50 through the fourth rivet.
Wherein, the connection of first stationary blade and second stationary blade and pivot connecting portion 50 can share a rivet, and second rivet and fourth rivet can simplify to a rivet promptly, and then reach the purpose that reduces hinge structure's design cost.
Optionally, the first frame 11 is provided with a first slide rail, the first support plate 12 is provided with a first slide groove adapted to the first slide rail, and the first support plate 12 is movably disposed on the first frame 11 through the sliding connection between the first slide rail and the first slide groove;
the second frame 21 is provided with a second slide rail, the second support plate 22 is provided with a second slide groove adapted to the second slide rail, and the second support plate 22 is movably disposed on the second frame 21 through the sliding connection between the second slide rail and the second slide groove.
In this embodiment, the sliding connection between the first support plate 12 and the first frame 11 and the sliding connection between the second support plate 22 and the second frame 21 can be realized by the sliding connection of the sliding rail sliding grooves, so that the connection effect of the sliding connection between the first support plate 12 and the first frame 11 and the sliding connection between the second support plate 22 and the second frame 21 can be effectively improved.
Optionally, the first frame 11 is provided with a first brim, a first accommodating groove is formed between the first brim and the first support plate 12, a first edge of the display screen 40 is located in the first accommodating groove, and the first edge is an edge of a screen portion of the display screen 40, which is arranged on the first support plate 11;
the second frame 21 is provided with a second brim, a second accommodating groove is formed between the second brim and the second support plate 22, a second edge of the display screen 40 is located in the second accommodating groove, and the second edge is an edge of a screen portion of the display screen 40, which is arranged on the second support plate 21.
In this embodiment, by providing the first visor and the second visor, the edge portion of the display screen 40 can be hidden under the first visor and the second visor, so that the edge portion of the display screen 40 is prevented from being exposed to the outside, and the purpose of protecting the edge portion of the display screen 40 is achieved.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An electronic device is characterized by comprising a first folding part, a second folding part, a rotating shaft and a display screen, wherein the first folding part and the second folding part are rotatably connected through the rotating shaft;
when the electronic device is in an unfolded state, the distance between the first folding part and the second folding part is a first distance, and the first distance is greater than or equal to the length of the long axis of the elliptical section;
under the condition that the electronic equipment is in a folded state, the distance between the first folding part and the second folding part is a second distance, and the second distance is smaller than the first distance.
2. The electronic device of claim 1, wherein the two ends of the major axis of the elliptical cross-section are a first major axis end and a second major axis end, respectively, and the two ends of the minor axis of the elliptical cross-section are a first minor axis end and a second minor axis end, respectively;
under the condition that the electronic equipment is in the unfolded state, the first folding part is abutted with a region, corresponding to the first long shaft end, on the elliptic cylindrical surface of the rotating shaft, and the second folding part is abutted with a region, corresponding to the second long shaft end, on the elliptic cylindrical surface;
under the condition that the electronic equipment is in the folding state, the first folding part and the second folding part are abutted to the area, corresponding to the first short shaft end, on the elliptic cylindrical surface.
3. The electronic device according to claim 2, wherein the elliptic cylindrical surface includes a first straight line, a second straight line, a third straight line and a fourth straight line parallel to an axial center line of the rotating shaft, the first straight line is a straight line on the elliptic cylindrical surface passing through the first long axial end, the second straight line is a straight line on the elliptic cylindrical surface passing through the second long axial end, the third straight line is a straight line on the elliptic cylindrical surface passing through the first short axial end, and the fourth straight line is a straight line on the elliptic cylindrical surface passing through the second short axial end;
the first straight line and the third straight line divide the elliptic cylindrical surface into a first cylindrical surface area, the second straight line and the third straight line divide the elliptic cylindrical surface into a second cylindrical surface area, and the first cylindrical surface area and the second cylindrical surface area are positioned on the same side of the elliptic cylindrical surface;
the electronic device is from the expansion state to under the condition that folded state switches, first folded portion along first column face with correspond the region of first long axle end to corresponding the region of first stub end removes, the second folded portion along second column face with correspond the region of second long axle end to corresponding the region of first stub end removes.
4. The electronic device of claim 3,
the first folding part comprises a first frame body, a first supporting plate and a first elastic connecting piece, the first supporting plate is movably arranged on the first frame body, and two ends of the first elastic connecting piece are respectively connected with the first frame body and the first supporting plate;
the second folding part comprises a second frame body, a second support plate and a second elastic connecting piece, the second support plate is movably arranged on the second frame body, and two ends of the second elastic connecting piece are respectively connected with the second frame body and the second support plate;
the two ends of the rotating shaft are respectively provided with a rotating shaft connecting part, the radial cross section of the rotating shaft connecting part is a circular section, and the first frame body and the second frame body are rotationally connected through the rotating shaft connecting part;
one end of the display screen is connected with the first supporting plate, and the other end of the display screen is connected with the second supporting plate;
under the condition that the electronic equipment is in the unfolded state, the first support plate is abutted with the area, corresponding to the first long shaft end, on the elliptic cylindrical surface under the action of the first elastic connecting piece, and the second support plate is abutted with the area, corresponding to the second long shaft end, on the elliptic cylindrical surface under the action of the second elastic connecting piece;
electronic equipment is in under the condition of fold condition, and under first elastic connecting piece with second elastic connecting piece's effect, first backup pad with the second backup pad all with the last regional butt that corresponds of elliptical cylinder first stub end.
5. The electronic device according to claim 4, wherein the hinge connecting portion is provided with first gear teeth and second gear teeth, the first frame body is provided with third gear teeth engaged with the first gear teeth, and the second frame body is provided with fourth gear teeth engaged with the second gear teeth;
the first frame body is connected with the rotating shaft connecting part through the meshing of the third gear teeth and the first gear teeth;
the second frame body is connected with the rotating shaft connecting part through the fourth gear teeth and the second gear teeth.
6. The electronic device of claim 4,
the first supporting plate comprises a first side surface and a second side surface which are arranged in a back-to-back mode, the first side surface is the side surface of the first supporting plate, which is abutted against the elliptic cylindrical surface, and two ends of the first elastic connecting piece are respectively connected with the inner wall of the first frame body and the second side surface;
the second supporting plate comprises a third side face and a fourth side face which are arranged in a back-to-back mode, the third side face is the side face, abutted against the elliptic cylindrical surface, of the second supporting plate, and two ends of the second elastic connecting piece are connected with the inner wall of the second frame body and the fourth side face respectively.
7. The electronic device according to any one of claims 4 to 6, wherein the electronic device further comprises a first hinge and a second hinge, the first frame is hinged to the hinge via the first hinge, and the second frame is hinged to the hinge via the second hinge.
8. The electronic device of any of claims 4-6,
the first frame body is provided with a first slide rail, the first support plate is provided with a first slide groove matched with the first slide rail, and the first support plate is movably arranged on the first frame body through the sliding connection of the first slide rail and the first slide groove;
the second frame body is provided with a second slide rail, the second support plate is provided with a second slide groove matched with the second slide rail, and the second support plate is movably arranged on the second frame body through the sliding connection between the second slide rail and the second slide groove.
9. The electronic device according to any one of claims 4 to 6, wherein the first frame body is provided with a first visor, a first accommodating groove is formed between the first visor and the first support plate, a first edge of the display screen is located in the first accommodating groove, and the first edge is an edge of a screen portion of the display screen provided on the first support plate;
the second frame body is provided with a second brim, a second accommodating groove is formed between the second brim and the second supporting plate, a second edge of the flexible screen is located in the second accommodating groove, and the second edge is the edge of the screen part arranged on the second supporting plate of the display screen.
10. The electronic device of any of claims 1-6, wherein the hinge is a rigid hinge.
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| CN113920872B (en) | 2024-06-04 |
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