CN114263819B - Supporting assembly, supporting mechanism and display device - Google Patents

Abstract

The application provides a support assembly, a support mechanism and a display device, wherein the support assembly comprises a first support piece and a second support piece which are sequentially connected and can slide relatively; the first end of the first supporting piece and the second end of the second supporting piece are respectively adjacent to each other in the second direction; the first sliding surface of the first supporting piece and the second sliding surface of the second supporting piece are in face-to-face fit, and the first sliding structure arranged on the first sliding surface and the second sliding structure arranged on the second sliding surface are movably connected with each other in the second direction and can move relatively. The support mechanism includes a plurality of support assemblies. The display device comprises a flexible screen and a supporting mechanism. According to the technical scheme, the flexible screen loaded in the display device can be unfolded in any screen length, the function of stepless adjusting the size of the screen is achieved, good flatness and structural strength of the flexible screen during unfolding and storage can be guaranteed, and the flexible screen is simple in structure and easy to operate and use.

Description

Supporting assembly, supporting mechanism and display device

[ field of technology ]

The present application relates to the field of display technologies, and in particular, to a support assembly, a support mechanism, and a display device.

[ background Art ]

With the increasingly wide application of OLED (Organic Light-Emitting Diode) technology, an OLED display device gradually exhibits functions of scalability, stepless adjustment of screen size, and the like. Particularly, after the flexible screen is loaded in the OLED display device, the OLED display device gradually develops a bendable, foldable and telescopic function, and when the flexible screen is bent, folded or telescopic, a support member needs to be provided to provide strength support for the flexible screen. The existing supporting mechanism adapted to the flexible screen is complex in structure, and when the flexible screen stretches, the surface of the flexible screen cannot be enabled to achieve good flatness, the screen size range of flexible adjustment of the flexible screen is limited, and the function of stepless adjustment of the screen size is difficult to achieve.

[ application ]

In order to solve the above problems, the present application provides a supporting assembly, a supporting mechanism and a display device.

In a first aspect, the application discloses a support assembly for a flexible screen, the support assembly comprising a first support member and a second support member extending in a first direction, the first support member and the second support member being connected together in sequence in a second direction, the first direction being perpendicular to the second direction, the first support member and the second support member being relatively slidable in the first direction;

in the first direction, the first support has opposed first and second ends, the second support has opposed second and first ends, the first and second ends abut each other in the second direction, and the first and second ends abut each other in the second direction;

in the second direction, the first support piece is provided with a first connecting surface and a first sliding surface which are opposite, the second support piece is provided with a second connecting surface and a second sliding surface which are opposite, the first sliding surface and the second sliding surface are arranged in a face-to-face laminating mode, a first sliding structure is arranged on the first sliding surface, a second sliding structure is arranged on the second sliding surface, the first sliding structure extends between the first end and the first end along the first direction, the second sliding structure extends between the second end and the second end along the first direction, and the first sliding structure and the second sliding structure are movably connected with each other in the second direction and can move relatively.

In a second aspect, the present application discloses a support mechanism comprising a plurality of support assemblies according to the first aspect, the plurality of support assemblies being arranged along the second direction;

in the second direction, the first connection surface of the first support member is connected with the first connection surface of the first support member in the adjacent support member on one side of the first support member, and/or the second connection surface of the second support member is connected with the second connection surface of the second support member in the adjacent support member on one side of the second support member.

In a third aspect, the application discloses a display device comprising a flexible screen and a support mechanism as claimed in claim 13, the support mechanism having a support plane supporting the flexible screen, the flexible screen being arranged on the support plane.

According to the support assembly, the support mechanism and the display device disclosed by the embodiment of the application, the flexible screen loaded in the display device can be unfolded in any screen length, the function of stepless adjusting the screen size is achieved, the flexible screen can be ensured to have good flatness and structural strength during unfolding and storage, and the support assembly is simple in structure and easy to operate and use.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a support assembly according to an embodiment of the present application;

FIG. 2 is a schematic view of a support assembly according to an embodiment of the present application, wherein the first support and the second support are not yet engaged;

FIG. 3 is a schematic view of a support assembly according to an embodiment of the present application in an open position;

FIG. 4 is a schematic view of a support assembly according to an embodiment of the present application in a closed position;

FIG. 5 is another schematic view of a support assembly according to an embodiment of the present application in an open position;

FIG. 6 is another schematic view of the support assembly according to the embodiment of the present application in a closed state;

FIG. 7 is a schematic view of an end profile of a support assembly according to an embodiment of the present application;

FIG. 8 is a schematic illustration of a combination of cross-sectional shapes of section A-A of FIG. 4;

FIG. 9 is another schematic illustration of a combination of cross-sectional shapes of section A-A of FIG. 4;

FIG. 10 is another schematic illustration of a combination of cross-sectional shapes of section A-A of FIG. 4;

FIG. 11 is another schematic illustration of a combination of cross-sectional shapes of section A-A of FIG. 4;

FIG. 12 is another schematic illustration of a combination of cross-sectional shapes of section A-A of FIG. 4;

FIG. 13 is a schematic view of another embodiment of a support assembly according to the present application;

FIG. 14 is a schematic view of a support mechanism according to an embodiment of the present application in an open state;

FIG. 15 is a schematic view of a support mechanism according to an embodiment of the present application in a closed state;

fig. 16 is a schematic structural diagram of a display device according to an embodiment of the present application.

Reference numerals:

100-a support assembly;

110-a first support; 111-first formazan; 112-a first end b; 113-a first connection face; 114-a first sliding surface; 115-first sliding structure (first runner); 116-a first mount;

120-a second support; 121-second end; 122-second end; 123-a second connection face; 124-a second sliding surface; 125-a second sliding structure (second runner); 126-a second mount;

130-a first slider;

140-a second slider;

150-a third slider;

160-end profile; 161-groove bottom profile; 162-groove wall profile; 163-notch;

170-a first groove portion;

180-a first lobe;

190-an elastic member;

200-supporting mechanisms;

210-a support plane;

300-flexible screen;

400-display device;

d1—a first direction; d2—a second direction; d3—third direction.

[ detailed description ] of the application

For a better understanding of the technical solution of the present application, the following detailed description of the embodiments of the present application refers to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

It should be understood that although the terms first, second, third, etc. may be used in embodiments of the present application to describe directions and positions, etc., these directions and positions, etc. should not be limited to these terms. These terms are only used to distinguish one direction, position, or the like from another. For example, a first direction may also be referred to as a second direction, and similarly, a second direction may also be referred to as a first direction, without departing from the scope of embodiments of the present application.

The embodiment of the application discloses a support assembly, which is applied to a flexible screen. The flexible screen is movably connected to a winding shaft (not shown) provided in a winding housing (not shown), a portion of the flexible screen is provided on a support member, and one end of the support member is fixed to the winding housing. A winding shell can be fixed at two ends of the supporting component respectively, a winding shaft is arranged in each winding shell, and each winding shaft is connected with the flexible screen; the flexible screen can be a complete screen, and two ends of the flexible screen respectively extend into the two winding shells and are respectively connected to the two winding shafts; the flexible screen can also be two screens, and the one end of two flexible screens is connected respectively on two winding shafts, and the other end concatenation of two flexible screens is in the same place and is located supporting component. One end of the flexible screen, which is far away from the winding shaft, can be fixedly connected to the supporting component, and of course, the flexible screen can be disconnected, and whether the flexible screen is connected with the supporting component or not can be determined according to the requirements of specific use scenes.

The support component of the embodiment can provide strength support for the flexible screen, and meanwhile enables the flexible screen to realize electrodeless unfolding and storage, so that the function of electrodeless screen size adjustment is achieved. The flexible screen is unfolded and stored, namely, the flexible screen is released or rolled up by driving the winding shaft through the opening or closing movement of the supporting component, so that the screen length of the flexible screen arranged on the supporting component is increased or reduced. Electrodeless unfolding and stowing means that the flexible screen can be unfolded or stowed at any length without retracting or continuing to unfold.

As shown in fig. 1, the support assembly 100 according to an embodiment of the present application includes a first support 110 and a second support 120 extending along a first direction D1, the first support 110 and the second support 120 are sequentially connected together along a second direction D2, the first direction D1 is perpendicular to the second direction D2, and the first support 110 and the second support 120 are relatively slidable along the first direction D1; in a first direction D1, the first support 110 has opposite first and second ends 111, 112, and the second support 120 has opposite second and second ends 121, 122, the first and second ends 111, 121 abutting each other in a second direction D2, and the first and second ends 112, 122 abutting each other in the second direction D2; in the second direction D2, the first support 110 has a first connecting surface 113 and a first sliding surface 114 that are opposite, the second support 120 has a second connecting surface 123 and a second sliding surface 124 that are opposite, the first sliding surface 114 and the second sliding surface 124 are disposed in a face-to-face abutting manner, the first sliding surface 114 is provided with a first sliding structure 115, the second sliding surface 124 is provided with a second sliding structure 125, the first sliding structure 115 extends between the first end 111 and the first end 112 along the first direction D1, the second sliding structure 125 extends between the second end 121 and the second end 122 along the first direction D1, and the first sliding structure 115 and the second sliding structure 125 are movably connected to each other in the second direction D2 and are capable of moving relatively.

Specifically, in the support assembly 100 according to the embodiment of the present application, the first support member 110 and the second support member 120 may be elongated structures, and the first direction D1 in which the two extend is the extending direction from the second end to the first end in the respective long sides, and the second direction D2 in which the two extend is the extending direction of the respective short sides. In the second direction D2, the first and second supports 110 and 120 are alternately arranged at intervals. In the first direction D1, the first support 110 and the second support 120 each have two ends, and in some embodiments, the first ends 112 of the plurality of first supports 110 are connected by a first fastener 116 extending in the second direction D2, and the second ends 121 of the plurality of second supports 120 are connected by a second fastener 126 extending in the second direction D2, as shown in fig. 2-4; in fig. 2, the plurality of first supporting members 110 connected in series by the first fixing members 116 and the plurality of second supporting members 120 connected in series by the second fixing members 126 are of a detachable structure; in fig. 3, when the support assembly 100 is in the open state, the first ends 111 of the first plurality of support members 110 and the second ends 122 of the second plurality of support members 120 are in an adjacent and overlapping connection; in fig. 4, when the support assembly 100 is in the closed state, the first ends 111 of the first support members 110 and the first ends 112 of the second support members 120 are in an adjacent and overlapping connection relationship, the second ends 121 of the first support members 110 and the second ends 122 of the second support members 120 are in an adjacent and overlapping connection relationship, and the first ends 111 of the first support members 110 are in contact with the second fixing members 126, and the second ends 122 of the second support members 120 are in contact with the first fixing members 116. In the process of switching the support assembly 100 between the open state of fig. 3 and the closed state of fig. 4, the relative movement between the adjacent first support member 110 and second support member 120 along the first direction D1 is the sliding realized by the connection and the mutual cooperation between the first sliding structure 115 and the second sliding structure 125, and the first sliding structure 115 and the second sliding structure 125 play a guiding role on the first support member 110 and the second support member 120, so that the overall flatness of the support assembly 100 when the first support member 110 and the second support member 120 are unfolded or stored can be ensured, and the bending resistance and the torsion resistance rigidity of the support assembly 100 can be improved. The relative movement between the first slide structure 115 and the second slide structure 125 allows for a sliding degree of freedom in the first direction D1 while constraining translational and rotational degrees of freedom in other directions. At this time, the first sliding surface 114 and the second sliding surface 124 are in contact with each other, and the opening degree of the support assembly 100 can be maintained at an arbitrary length by friction generated by the contact. Of course, the first sliding surface 114 and the second sliding surface 124 may not be in contact with each other, and the present application is not limited thereto, but will not be described. Preferably, locking members (not shown in the drawings) may be disposed in the first sliding structure 115 and the second sliding structure 125, and the locking members may be a ratchet or other damping locking members, so as to ensure that the flexible screen can be unfolded in any screen length, so as to achieve the function of stepless adjusting the size of the plane.

As shown in fig. 5 to 7, in the support assembly 100 according to the embodiment of the present application, the first sliding structure 115 includes a first sliding groove 115, the second sliding structure 125 includes a second sliding groove 125, and the opening directions of the first sliding groove 115 and the second sliding groove 125 in the second direction D2 are opposite and are butted and communicated with each other; a first sliding piece 130 is arranged at the first end 111 of the first supporting piece 110, the first sliding piece 130 and the first chute 115 are fixedly connected to the first end 111, and the first sliding piece 130 and the second chute 125 are movably connected and can slide in the second chute 125 along the first direction D1; the second end 122 of the second supporting member 120 is provided with a second sliding member 140, the second sliding member 140 and the second sliding groove 125 are fixed at the second end 122, and the second sliding member 140 is movably connected with the first sliding groove 115 and can slide in the first sliding groove 115 along the first direction D1; when the support assembly 100 is in the closed state, the first sliding member 130 and the second sliding groove 125 are engaged with the second first end 121, and the second sliding member 140 and the first sliding groove 115 are engaged with the first second end 112; when the support assembly 100 is in the open state, the first slider 130 is stopped by the second slider 140 at the second end 122 of the second chute 125, and the second slider 140 is stopped by the first slider 130 at the first end 111 of the first chute 115.

Specifically, the end surface shape of the support assembly 100 according to the embodiment of the present application may be rectangular, the end surface shape of the first support member 110, the end surface shape of the second support member 120, and the cross-sectional shape of the first slider 130 are combined to form a rectangular end surface shape of one end, and the end surface shape of the first support member 110, the end surface shape of the second support member 120, and the cross-sectional shape of the second slider 140 are combined to form a rectangular end surface shape of the other end, and the end surface shape of the first support member 110 and the end surface shape of the second support member 120 enclose the end surface shape of the first slider 130 and the end surface shape of the second slider 140 at two ends, respectively. In fig. 5, the support assembly 100 is in an open state, in which the first sliding member 130 slides in the second sliding groove 125 to a maximum distance from the second end 121, the second sliding member 140 slides in the first sliding groove 115 to a maximum distance from the first end 111, the first sliding member 130 and the second sliding member 140 are blocked by each other and cannot slide further, and the first sliding member 130 and the second sliding member 140 are positioned, so that the support assembly 100 forms a steady structure. In fig. 6, the support assembly 100 is in a closed state, the whole support assembly 100 is in a cuboid shape, the first sliding member 130 cooperates with the second sliding member 140 from the first end 111 and the second first end 121 to seal a sliding space formed by abutting the first sliding groove 115 and the second sliding groove 125 from the first end 112 and the second end 122, and the first sliding member 130 and the second sliding member 140 are fixed with the first support member 110 and the second support member 120 to form a steady-state structure. It can be understood that the support assembly 100 not only has an open state and a closed state, but also has an intermediate state between the two states, and the intermediate state can be various, and according to practical application, the first support member 110 and the second support member 120 of the support assembly 100 can be moved relatively by any length, so that the support assembly 100 can be opened to any length, at this time, the first sliding member 130 can be positioned in the second sliding groove 125, and the second sliding member 140 can be positioned in the first sliding groove 115, which is not described in detail herein. It should be noted that, in the open state of the present application, the first support member 110 and the second support member 120 only refer to the state of the support assembly 100 when they move relatively to the maximum distance, the closed state only refers to the state of the support assembly 100 when the first support member 110 and the second support member 120 do not move relatively, and any other state is the middle state of the support assembly 100. As described above, a locking member (not shown) may be preferably disposed in the first chute 115 and the second chute 125, and may be disposed in the second direction D2 or the third direction D3, or may be disposed in other directions (not the first direction D1).

As shown in fig. 7, in the support assembly 100 according to the embodiment of the present application, each of the first chute 115 and the second chute 125 has an end surface profile 160, the end surface profile 160 has a slot bottom profile 161 and two slot wall profiles 162, the two slot wall profiles 162 are respectively connected to two ends of the slot bottom profile 161 in a third direction D3 perpendicular to the first direction D1 and the second direction D2, and a slot 163 is formed between ends of the two slot wall profiles 162 away from the slot bottom profile 161; in the third direction D3, the width of the junction of the groove wall profile 162 and the groove bottom profile 161 is the maximum width of the chute, and the width of the notch 163 is smaller than the maximum width.

Specifically, the end surface profiles 160 of the first chute 115 and the second chute 125 are symmetrical with respect to the first sliding surface 114 (or the second sliding surface 124), and since the first sliding surface 114 and the second sliding surface 124 are closely adhered together, both the first sliding surface 114 and the second sliding surface 124 can serve as symmetrical center surfaces of the end surface profiles 160 of the first chute 115 and the second chute 125. The third direction D3 is a thickness direction of the first support 110 (or the second support 120) in fig. 7. The end profile 160 refers to a continuously extending edge line describing the edge shape of the first runner 115 or the second runner 125 that the first runner 115 or the second runner 125 presents at the end of the first support 110 or the second support 120. In the end surface profile 160, the groove wall profile 162 refers to an edge line extending from the first sliding surface 114 (or the second sliding surface 124) toward the first connecting surface 113 (or the second connecting surface 123) toward the inside of the first support 110 (or the second support 120), and the groove wall profile 162 represents a portion of the first chute 115 (or the second chute 125) connected to the first sliding surface 114 (or the second sliding surface 124). The groove bottom profile 161 refers to an edge line connected between two groove wall profiles 162, and the groove bottom profile 161 is located at a middle portion of the first sliding groove 115 (or the second sliding groove 125), and represents a portion of the first sliding groove 115 (or the second sliding groove 125) that is not connected to the first sliding surface 114 (or the second sliding surface 124). The maximum width of the first sliding groove 115 (or the second sliding groove 125) at the connection point of the groove wall profile 162 and the groove bottom profile 161 means that the maximum distance between the two groove wall profiles 162 is the connection point with the groove bottom profile 161 in the thickness direction (i.e., the third direction D3) of the first supporting member 110 (or the second supporting member 120), which is advantageous for the engagement between the first sliding member 130 and the second sliding groove 125 and between the second sliding member 140 and the first sliding groove 115. The notch 163 refers to a notch formed between two groove wall profiles 162 on the first sliding surface 114 (or the second sliding surface 124), and the width of the notch 163 is the distance between the two groove wall profiles 162 in the third direction D3 on the first sliding surface 114 (or the second sliding surface 124), and the width of the notch 163 is smaller than the maximum width, so that the displacement of the first sliding member 130 or the second sliding member 140 can be limited in the second direction D2.

Referring again to fig. 7, the groove bottom profile 161 is an arc-shaped profile recessed inward away from the groove opening 163 in the second direction D2, the groove wall profile 162 is a circular arc-shaped profile protruding toward the groove bottom profile 161 in the third direction D3, and the width between the two groove wall profiles 162 in the third direction D3 becomes gradually larger in the direction from the groove opening 163 to the groove bottom profile 161, and the groove wall profile 162 and the groove bottom profile 161 are tangential. So that the stress generated between the first sliding member 130 and the first sliding groove 115 and the stress generated between the second sliding member 140 and the second sliding groove 125 can be dispersed in different positions by the arc-shaped profile and the arc-shaped profile, and the tangency of the groove wall profile 162 and the groove bottom profile 161 can better eliminate the stress generated at the connection position of the groove wall profile 162 and the groove bottom profile 161.

Further, the first support 110 and the second support 120 are support plates; in the second direction D2, the width of the support plate is L1, and the distance between the center of the groove bottom profile 161 and the notch 163 in the second direction D2 is L2; in the third direction D3, the height of the support plate is H1, the height between the center of the groove bottom profile 161 and the two surfaces of the support plate in the third direction D3 is H2, and the height between the notch 163 and the two surfaces of the support plate in the third direction D3 is H3; the radius of the groove bottom profile 161 is R1; the method meets the following conditions: h2 1/2H 1, 1/4H 1R 1/3H 1, 1/2L 1 l2+r1 l2/3L 1, 1/4H 1H 3 1/3H 1. Preferably, r1=1/4×h1, l2+r1=1/2×l1, h3=1/2×h1.

The first slider 130 and the second slider 140 are slider blocks having two connecting sections which are snapped into the first chute 115 and the second chute 125 and contact the groove bottom profile 161, and an intermediate section which is snapped into the first chute 115 and the second chute 125 and contacts the groove wall profile 162; in the third direction D3, the maximum width of the intermediate section is not greater than the minimum width of the connecting section. The first slider 130 and the second slider 140 are configured such that the middle section is thin and the connecting sections are thick when viewed from the end face. In this way, when the first slider 130 slides in the second chute 125 and the second slider 140 slides in the first chute 115, the displacement in the second direction D2 and the third direction D3 can be limited, so as to ensure the structural stability of the support assembly 100 during the opening and closing process. Preferably, the width of the intermediate section in the third direction D3 becomes gradually greater in the direction from the notch 163 to the groove bottom profile 161, enabling further relief of stresses generated during sliding between the intermediate section and the first and second runners 115, 125.

In the cross-section of the support assembly 100 along the second direction D2, the cross-sectional profile of the first slider 130 within the second runner 125 is the same as the cross-sectional profile of the second runner 125, and the cross-sectional profile of the second slider 140 within the first runner 115 is the same as the cross-sectional profile of the first runner 115. In connection with fig. 5 to 7, in the first sliding member 130 or the second sliding member 140, a part of the end surface contour 160 of the connecting section is similar to the groove bottom contour 161, another part is similar to the part of the groove wall contour 162 connected to the groove bottom contour 161, and the part of the end surface contour 160 of the intermediate section connected to the first sliding surface 114 (or the second sliding surface 124) of the groove wall contour 162 is similar to the part of the connecting section, so that the first sliding member 130 or the second sliding member 140 can be limited in the second direction D2 and the third direction D3, and friction force can be generated when the first sliding member 130 slides in the second sliding groove 125 and when the second sliding member 140 slides in the first sliding groove 115, so that the supporting assembly 100 can be controlled to be opened in any length, and the part of the first sliding member 130 extending into the second sliding groove 125 (half of one connecting section and half of the intermediate section) and the part of the second sliding member 140 extending into the first sliding groove 115 (half of one connecting section and half of the intermediate section) can be limited, so that vibration of the first sliding member 130 can not be limited in the third direction D3 and the third direction D3 or the amplitude of the disturbance can occur.

Of course, in the support assembly 100 according to the embodiment of the present application, other shapes and structures of the first support member 110 and the second support member 120 may be adopted. As shown in fig. 8 to 12, the first sliding structure 115 includes a first groove portion 170, and the second sliding structure 125 includes a first protrusion portion 180, and the first groove portion 170 and the first protrusion portion 180 are directly engaged with each other.

Specifically, in the first support 110 and the second support 120 of fig. 2 to 4, the first support 110 and the second support 120 have different end surface shapes, respectively, the first groove portion 170 forms the end surface shape of the first support 110, the first protrusion portion 180 forms the end surface shape of the second support 120, and the combination of the cross-sectional shapes of the first end 111 and the first second end 112 of the first support 110 and the second first end 121 and the second end 122 of the second support 120 may have various embodiments. In fig. 8, the sectional shapes are combined into a trapezoid member and an inverted trapezoid member, wherein the trapezoid member is preferably isosceles trapezoid, a rectangular supporting table with a length larger than the long side of the inverted trapezoid member in the second direction D2 is arranged on the short side of the inverted trapezoid member, the first groove 170 is a triangular recess formed between the inverted trapezoid member and the rectangular supporting table, the first protrusion 180 is a triangular protrusion formed by two waists and two bottom corners of the trapezoid member, and the short side of the trapezoid member and the long side of the inverted trapezoid member form a display surface of the flexible screen together. In fig. 9, the sectional shapes are combined into a rectangular member having semicircular projections on both sides in the second direction D2 and a rectangular member having semicircular recesses, the rectangular member having semicircular projections having a smaller length in the second direction D2 than the rectangular member having semicircular recesses, the first groove portion 170 is the semicircular recesses, and the first protrusion portion 180 is the semicircular projections. In fig. 10, the sectional shapes are combined into an inverted T-shaped boss and a T-shaped boss, a rectangular supporting table with a length greater than the length of the long side of the inverted T-shaped boss in the second direction D2 is provided on the short side of the inverted T-shaped boss, the first groove 170 is a rectangular recess formed between the T-shaped boss and the rectangular supporting table, the first protrusion 180 is a rectangular protrusion of the inverted T-shaped boss protruding on both sides of the long side, and the short side of the T-shaped boss and the long side of the inverted T-shaped boss together form a display surface of the flexible screen. In fig. 11, the sectional shape combinations are substantially the same as those of fig. 9, except that the difference between the lengths in the second direction D2 of the rectangular member having the semicircular projections and the rectangular member having the semicircular recesses is larger. In fig. 12, the cross-sectional shape is combined into a cross-shaped member and an i-shaped member, the first groove portion 170 is a concave groove on both sides of the i-shaped member, the first protrusion portion 180 is a convex protrusion on both sides of the cross-shaped member, and the length of the i-shaped member in the second direction D2 is greater than that of the cross-shaped member. It should be noted that, in the combination of the cross-sectional shapes in fig. 8 to 12, the first groove portion 170 may be disposed on the second supporting member 120, and the first protrusion may not be disposed on the first supporting member 110, so that the shape of the supporting assembly 100 is changed only by exchanging the first supporting member 110 with the second supporting member 120, which is described above, and the present application will not be repeated.

Referring again to fig. 5 and 6, in the support assembly 100 of the embodiment of the present application, at least one third sliding member 150 is further disposed between the first sliding member 130 and the second sliding member 140 in the first direction D1, and the third sliding member 150 is movably connected to the first sliding slot 115 and the second sliding slot 125, respectively, and can slide in the first direction D1 in the first sliding slot 115 and the second sliding slot 125; when the support assembly 100 is in the closed state, the third sliding member 150 is located at the middle portion of the first sliding groove 115 and the second sliding groove 125 and is spaced from the first sliding member 130 and the second sliding member 140; when the support assembly 100 is in the opened state, the third slider 150 is clamped by the first slider 130 and the second slider 140. When the support assembly 100 is switched between the open state and the closed state, the third sliding member 150 can provide support for the portion between the portions of the first support member 110 and the second support member 120, which are respectively contacted with the first sliding member 130 and the second sliding member 140, so as to avoid the problems of easy bending and easy torsion caused by the reduced bending resistance and torsion resistance due to the longer length of the support assembly 100 in the first direction D1. When the length of the support assembly 100 in the first direction D1 is set to be longer (for example, 50 cm) according to practical application requirements, the number of the third sliding members 150 may be one or more, and the number of the third sliding members 150 may be set to be matched according to the length of the support assembly 100 in the first direction D1, so that the intervals between two adjacent third sliding members 150 in the first direction D1 are the same. The deformation amount of the support assembly 100 shown in fig. 5, 9, 10 and 12 when the support plane is subjected to the same pressure is calculated, and after the normalized analysis calculation, the deformation amount of the support assembly 100 shown in fig. 5 is 1, and the deformation amounts of the support assembly 100 shown in fig. 9, 10 and 12 are 1.64, 1.64 and 1.05, respectively, so that the deformation amount of the support assembly 100 shown in fig. 5 is minimum and the support effect on the flexible screen is best.

As shown in fig. 13, the third sliding member 150 is connected to the first chute 115, and the third sliding member 150 is connected to the second chute 125 through an elastic member 190; one end of the elastic member 190 is fixed to the third sliding member 150, and the other end of the elastic member 190 is fixed to the first sliding groove 115 and the second sliding groove 125. The third slider 150 is always positioned at the middle portion between the first slider 130 and the second slider 140 by the elastic member 190, and the supporting forces of the portions of the first and second supporters 110 and 120 between the first and third sliders 130 and 150 and between the second and third sliders 140 and 150 are the same when the supporting assembly 100 is shifted between the opened and closed states, so that the best supporting effect is obtained.

In the support assembly 100 shown in fig. 5 to 12, the end surface shapes of the first sliding structure 115 and the second sliding structure 125 are at least one of a gourd shape, a triangle shape, a trapezoid shape, and a special shape, wherein the special shape is a rectangle with a convex arc as a short side, or a concave arc as a short side, or a convex square as a short side, or a concave square as a short side.

The support assembly 100 of the embodiment of the application can be arranged at any position of the flexible screen, so that the position where the support plane of the support assembly 100 contacts with the flexible screen can provide a support effect for the flexible screen, the expansion of any screen length is realized, and the function of stepless adjustment of the size of the plane is achieved.

As shown in fig. 14 and 15, another support mechanism 200 is disclosed in the embodiment of the present application, which includes a plurality of support assemblies 100 disclosed in the embodiment of the present application, and the plurality of support assemblies 100 are arranged along the second direction D2. In the second direction D2, in the support assembly 100, the first connection surface 113 of the first support 110 is connected with the first connection surface 113 of the first support 110 in the adjacent support assembly 100 located at one side of the first support 110, and/or the second connection surface 123 of the second support 120 is connected with the second connection surface 123 of the second support 120 in the adjacent support assembly 100 located at one side of the second support 120. The support assemblies 100 may be any one of the structures shown in fig. 5 to 12, and may be only one of the structures, or may be a combination of the structures, and the support assemblies 100 in the support mechanism 200 according to the embodiment of the present application preferably use one of the structures.

By adopting the supporting mechanism 200 provided by the embodiment of the application, better supporting effect can be provided for the flexible screen through more continuously arranged supporting components 100, the flatness, bending resistance and torsion resistance of each part of the flexible screen are ensured, the unfolding of any screen length is realized, and the function of stepless adjustment of the size of a plane is achieved.

As shown in fig. 16, an embodiment of the present application discloses a display device 400, which includes a flexible screen 300 and a supporting mechanism 200 disclosed in the embodiment of the present application, the supporting mechanism 200 has a supporting plane 210 for supporting the flexible screen 300, and the flexible screen 300 is disposed on the supporting plane 210.

According to the support assembly, the support mechanism 200 and the display device disclosed by the embodiment of the application, the flexible screen loaded in the display device can be unfolded in any screen length, the function of stepless adjusting the size of the screen is achieved, the flexible screen can be ensured to have good flatness and structural strength during unfolding and storage, and the support assembly is simple in structure and easy to operate and use.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.

Claims (13)

1. A support assembly for a flexible screen, the support assembly comprising a first support member and a second support member extending in a first direction, the first support member and the second support member being connected together in sequence in a second direction, the first direction being perpendicular to the second direction, the first support member and the second support member being relatively slidable in the first direction;

in the first direction, the first support has opposed first and second ends, the second support has opposed second and first ends, the first and second ends abut each other in the second direction, and the first and second ends abut each other in the second direction;

in the second direction, the first supporting piece is provided with a first connecting surface and a first sliding surface which are opposite, the second supporting piece is provided with a second connecting surface and a second sliding surface which are opposite, the first sliding surface and the second sliding surface are arranged in a face-to-face laminating way, a first sliding structure is arranged on the first sliding surface, a second sliding structure is arranged on the second sliding surface, the first sliding structure extends between the first end and the first end along the first direction, the second sliding structure extends between the second end and the second end along the first direction, and the first sliding structure and the second sliding structure are movably connected with each other in the second direction and can move relatively;

the first sliding structure comprises a first sliding groove, the second sliding structure comprises a second sliding groove, and the opening directions of the first sliding groove and the second sliding groove in the second direction are opposite and are mutually butted and communicated;

a first sliding piece is arranged at the first end of the first supporting piece, the first sliding piece and the first sliding groove are fixedly connected to the first end, and the first sliding piece is movably connected with the second sliding groove and can slide in the second sliding groove along the first direction;

a second sliding piece is arranged at the second end of the second supporting piece, the second sliding piece and the second sliding groove are fixed at the second end, and the second sliding piece is movably connected with the first sliding groove and can slide in the first sliding groove along the first direction;

when the support assembly is in a closed state, the first sliding piece and the second sliding groove are clamped at the second end A, and the second sliding piece and the first sliding groove are clamped at the first end B;

when the support assembly is in an open state, the first sliding piece is stopped at the second end of the second sliding groove by the second sliding piece, and the second sliding piece is stopped at the first end of the first sliding groove by the first sliding piece.

2. The support assembly of claim 1 wherein the support member comprises a plurality of support members,

the first sliding structure comprises a first groove part, the second sliding structure comprises a first protruding part, and the first groove part and the first protruding part are mutually and directly embedded.

3. The support assembly of claim 1, wherein the first runner and the second runner each have an end face profile having a groove bottom profile and two groove wall profiles, the two groove wall profiles being connected at respective ends of the groove bottom profile in a third direction perpendicular to both the first direction and the second direction, a notch being between ends of the two groove wall profiles remote from the groove bottom profile;

in the third direction, the width of the connecting part of the groove wall outline and the groove bottom outline is the maximum width of the chute, and the width of the notch is smaller than the maximum width.

4. The support assembly of claim 3 wherein the groove bottom profile is an arcuate profile that is concave inwardly away from the groove opening in the second direction, the groove wall profile is a circular arc profile that is convex toward the groove bottom profile in the third direction, a width between the two groove wall profiles in the third direction becomes progressively larger in a direction from the groove opening to the groove bottom profile, and the groove wall profile is tangential to the groove bottom profile.

5. The support assembly of claim 4, wherein the first support and the second support are support plates;

in the second direction, the width of the supporting plate is L1, and the distance between the center of the groove bottom outline and the notch in the second direction is L2;

in the third direction, the height of the supporting plate is H1, the height between the center of the groove bottom outline and the two surfaces of the supporting plate in the third direction is H2, and the height between the notch and the two surfaces of the supporting plate in the third direction is H3;

the radius of the groove bottom profile is R1;

the method meets the following conditions: h2 1/2H 1, 1/4H 1R 1/3H 1, 1/2L 1 l2+r1 l2/3L 1, 1/4H 1H 3 1/3H 1.

6. The support assembly of claim 3 wherein the first and second slides are sliders having two connecting sections that snap into the first and second runners and contact the groove bottom profile and an intermediate section that connects the two connecting sections that snap into the first and second runners and contact the groove wall profile;

in the third direction, a maximum width of the intermediate section is not greater than a minimum width of the connecting section.

7. The support assembly of claim 6 wherein the width of the intermediate section in the third direction becomes progressively greater in the direction from the slot to the slot bottom profile.

8. The support assembly of claim 1, wherein in a cross-section of the support assembly in the second direction, a cross-sectional profile of the first slider within the second runner is the same as a cross-sectional profile of the second runner, and a cross-sectional profile of the second slider within the first runner is the same as a cross-sectional profile of the first runner.

9. The support assembly of any one of claims 1 to 8, wherein in the first direction, at least one third slide is further provided between the first slide and the second slide, the third slide being movably connected with the first runner and the second runner, respectively, and being slidable in the first direction in the first runner and the second runner;

when the support assembly is in a closed state, the third sliding piece is positioned at the middle part of the first sliding groove and the second sliding groove and is spaced from the first sliding piece and the second sliding piece;

when the support assembly is in an open state, the third slider is held by the first slider and the second slider.

10. The support assembly of claim 9, wherein the third slide is connected to the first runner and the third slide is connected to the second runner by an elastic member;

one end of the elastic piece is fixed on the third sliding piece, and the other end of the elastic piece is fixed on the first sliding groove and the second sliding groove.

11. The support assembly of claim 1, wherein the end faces of the first and second sliding structures are at least one of gourd-shaped, triangular, trapezoidal, and shaped, wherein the shaped is a rectangle with a convex arc on a short side, a concave arc on a short side, a convex square on a short side, or a concave square on a short side.

12. A support mechanism comprising a plurality of support assemblies as claimed in any one of claims 1 to 11, the plurality of support assemblies being arranged in the second direction;

in the second direction, the first connection surface of the first support member is connected with the first connection surface of the first support member in the adjacent support member on one side of the first support member, and/or the second connection surface of the second support member is connected with the second connection surface of the second support member in the adjacent support member on one side of the second support member.

13. A display device comprising a flexible screen and the support mechanism of claim 12, the support mechanism having a support plane supporting the flexible screen, the flexible screen being disposed on the support plane.