TW202041126A - Bendable support apparatus for a flexible display - Google Patents

Abstract

A bendable support apparatus includes a support unit, at least one coaxially pivoting unit and at least one synchronously pivoting unit. The support unit includes a plurality of support members extending in a first direction and juxtaposed to each other. Each support member has opposite support and mounting major surfaces. The support major surfaces cooperatively define a support surface for a flexible display attached thereto. The coaxially pivoting unit includes a plurality of coaxially pivoting assemblies disposed to permit two adjacent support members to be coaxially pivoted to each other about a pivot axis at a neutral layer of the flexible display. The synchronously pivoting unit includes a plurality of synchronously pivoting assemblies each disposed among three adjacent support members to permit two lateral support members to be synchronously pivoted relative to a middle support member so as to shift the bendable support apparatus between unfolded and folded states.

Description

Bendable support frame

The invention relates to a bendable support frame, in particular to a bendable support frame for a flexible screen.

In recent years, the related research and development of flexible screens has gradually matured, and it is more and more commonly used in general electronic products. However, when designing products, the support frame or casing for the flexible screen is often unable to match The perimeter of the flexible screen changes when it is folded, and the flexible screen is pulled and gradually damaged when it is bent. Therefore, the design of the support frame or the casing is a serious issue.

Therefore, one objective of the present invention is to provide a bendable support frame that can improve at least one of the problems in the prior art.

Therefore, in some embodiments of the present invention, the bendable support frame is suitable for providing a flexible screen. The bendable support frame includes a support unit, at least a concentric pivot unit, and at least one Synchronous pivot unit. The supporting unit includes a plurality of supporting members extending in a first direction and arranged side by side in sequence. Each supporting member has a supporting surface and a setting surface opposite to the supporting surface, and the supporting surfaces are arranged adjacently in sequence For the flexible screen setting. The concentric pivot unit includes a plurality of concentric pivot groups respectively arranged between two adjacent support members, and each concentric pivot group includes a first pivot member provided on the setting surface of one of the support members, And a second pivoting member arranged on the setting surface of the other supporting member, the first pivoting member has a first sliding rail formed in the first direction and in an arc shape, and the second pivoting member has A second sliding block protruding from the first slide rail is formed toward the first direction and slidably corresponds to the center of curvature of the first slide rail. The neutral layer of the flexible screen in its thickness direction enables two adjacent support members to pivot relative to each other about a first axis passing through the center of curvature and parallel to the first direction. The synchronous pivoting unit includes a plurality of synchronous pivoting groups respectively arranged between three adjacent support members, and each synchronous pivoting group includes a first base provided on the setting surface of the support member located in the middle, Two second bases respectively provided on the installation surfaces of the support members located on both sides, and two synchronous pivot mechanisms provided on the first base and respectively provided on the two second bases, each synchronous pivot The rotating mechanism can be rotatably pivoted on the first base with a second axis parallel to the first direction as the axis, and can be rotatably pivoted on the corresponding base with a third axis parallel to the first direction as the axis. The two synchronous pivoting mechanisms can be connected to each other in a relatively rolling manner, so that the support members located on both sides can pivot synchronously relative to the support member located in the middle. The bendable support frame can be switched between an unfolded state and a folded state. In the unfolded state, the supporting surfaces of the supports are sequentially adjacent to each other along a second direction perpendicular to the first direction They are arranged and jointly form a supporting plane extending along the second direction. In the folded state, the supporting surfaces of the supporting members jointly form a supporting arc surface protruding outward.

In some embodiments, the second pivoting member further has a second sliding rail formed in the first direction and in an arc shape, and the first pivoting member further has a slidable rail formed in the first direction. Corresponding to a first slider protruding from the second slide rail, the first axis passes through the center of curvature of the first slide rail and the center of curvature of the second slide rail.

In some embodiments, the first sliding block has a cylindrical shape corresponding to the second sliding rail, and the second sliding block has a cylindrical shape corresponding to the first sliding rail.

In some embodiments, each synchronous pivoting mechanism has a synchronous pivoting member rotatably pivoted to the first base along a second axis parallel to the first direction, and is slidably connected to the The synchronous pivoting member is pivotable to a sliding member of the corresponding second base rotatably along a third axis parallel to the first direction, and the synchronous pivoting members of the two synchronous pivoting mechanisms are connected to each other in a relatively rolling manner .

In some embodiments, the contact surface between the two synchronous pivoting members is a toothed surface that meshes.

In some embodiments, the supporting members at the two ends are respectively two supporting shells, each supporting shell has an accommodating space inside, and the setting surface of the supporting shell faces the accommodating space .

In some embodiments, a covering unit is further included. The covering unit includes a base and two cover plates. The base extends along the first direction and is disposed on the setting surface of the middle of the support members. The base has two setting portions respectively provided on the adjacent two sides of the setting surface in the first direction, and a connection connected between the two setting portions and extending along the first direction at a distance from the support member The accommodating space of each supporting shell has an opening facing the base, the cover plates can be slidably penetrated through the openings in the second direction, and the cover plates can be perpendicular to the The first direction is slidably pivoted on the setting part of the base.

In some embodiments, each cover plate has a bottom plate portion opposite to the installation surfaces, and two side plates respectively extending from both side edges of the bottom plate portion in the first direction toward the installation surfaces unit.

In some implementations, each setting portion of the base has two pivoting sliding grooves facing the connecting portion and correspondingly pivoting the cover plates, and the pivoting sliding grooves are formed along the first direction and Abutting the connecting portion and extending in a direction perpendicular to the first direction, each cover plate also has two pivots extending from the bottom plate portion and respectively projecting from corresponding pivot sliding grooves of the setting portions. Connect the convex post.

In some embodiments, the torsion unit further includes at least one torsion unit. The torsion unit includes a third base and two torsion bar members. The third base is set on the installation surface of the middle of the support members. One end of the torsion rods is tightly fitted and pivoted on the third base, and the other end is pivoted on the side plate portions of the cover plates so as to be slidable along the second direction.

In some embodiments, it further includes at least two positioning mechanisms, the positioning mechanisms are respectively provided on the support shells and respectively correspond to the cover plates, and each positioning mechanism includes a positioning mechanism provided on the corresponding support shell. A fixing piece, an engaging piece slidably disposed on the fixing piece along the first direction, and an elastic element connected between the fixing piece and the engaging piece, the side plate portion of each cover faces the first At least one first engaging groove and at least one second engaging groove corresponding to the corresponding engaging member are formed in the direction, and in the expanded state, each engaging member is correspondingly engaged with the corresponding first engaging groove In the folded state, each engaging member is correspondingly engaged with the corresponding second engaging groove, and between the expanded state and the folded state, each engaging member abuts against the corresponding cover plate的边板部。 Side panels.

The present invention uses a plurality of concentric pivot groups respectively arranged between two adjacent support members, so that the adjacent two support members can lean against the first of the neutral layer of the flexible screen The axis is the axis relative to pivot to prevent the bendable support frame from pulling the flexible screen when switching between the unfolded state and the folded state, so as to prevent the flexible screen from being damaged, and by The synchronous pivot mechanism of the synchronous pivot groups enables the support members located on both sides of the three adjacent support members to pivot synchronously relative to the support member located in the middle, so that the support members can perform synchronously Pivot.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

1 to 4, an embodiment of the bendable support frame 10 of the present invention is suitable for setting a flexible screen 20. The bendable support frame 10 includes a support unit 1, three concentric The pivoting unit 2, two synchronous pivoting units 3, a covering unit 4, two torsion units 5, and four positioning mechanisms 6.

The supporting unit 1 includes a plurality of supporting members 11 extending in a first direction D1 and arranged side by side in sequence. The supporting members may be plastic or metal, for example. Each supporting member 11 has a supporting surface 111 and a setting surface 112 opposite to the supporting surface 111, and the supporting surfaces 111 are arranged adjacent to each other in order for the flexible screen 20 to be installed. In this embodiment, the two supporting members 11 at both ends are respectively two supporting shells 110 extending in a second direction D2 perpendicular to the first direction D1, and each supporting shell 110 has a cooperative assembly A first housing 110a and a second housing 110b, and an accommodating space 110c defined by the first housing 110a and the second housing 110b and located inside, the accommodating space 110c can accommodate and The flexible screen 20 is electrically connected to a plurality of electronic components (not shown) and other related parts (not shown). The supporting surface 111 and the setting surface 112 of the supporting shell 110 are located in the first housing 110 a, and the setting surface 112 of the supporting shell 110 faces the accommodating space 110 c. Each supporting member 11 also has a mounting groove 113 for accommodating the flexible screen 20, and the supporting surfaces 111 are respectively located at the bottom of the mounting grooves 113. It should be noted that, although the number of the support members 11 is seven in this embodiment, the number of the support members 11 can be adjusted according to requirements and is not limited thereto.

Referring to FIGS. 4 to 8, the concentric pivoting units 2 are arranged on the supporting members 11 at intervals along the first direction D1, and each concentric pivoting unit 2 includes two adjacent supporting members 11 respectively. Between the multiple concentric pivot groups 21. Each concentric pivot group 21 includes a first pivot member 211 provided on the setting surface 112 of one of the support members 11 and a second pivot member 212 provided on the setting surface 112 of the other support member 11. The first pivoting member 211 and the second pivoting member 212 may be metal members, for example. The first pivoting member 211 has a first sliding rail 211a formed in the first direction D1 and in an arc shape, and the second pivoting member 212 has a first sliding rail 211a formed in the first direction D1 and slidably protruding from A second sliding block 212a of the first sliding rail 211a. The center of curvature of the first sliding rail 211a is farther from the setting surface 112 than the supporting surface 111 and leaning against the flexible screen 20 in its thickness direction The neutral layer 20a, so that the two adjacent support members 11 can relatively pivot about the first axis A1 passing through the center of curvature and parallel to the first direction D1. In detail, in this embodiment, the center of curvature of the first slide rail 211a and the first axis A1 coincide with the neutral layer 20a, but in a modified embodiment, the center of curvature of the first slide rail 211a And the first axis A1 is leaning against the neutral layer 20a but not coincident with the neutral layer 20a, that is, the position of the center of curvature of the first slide rail 211a and the first axis A1 can follow The design requirements are slightly adjusted, which is not limited to this embodiment. In this embodiment, the second pivoting member 212 further has a second sliding rail 212b formed in the first direction D1 and in an arc shape, and the first pivoting member 211 also has a second sliding rail 212b formed in the first direction D1. And slidably corresponds to a first sliding block 211b protruding from the second sliding rail 212b, and the first axis A1 passes through the center of curvature of the first sliding rail 211a and the center of curvature of the second sliding rail 212b. The first sliding block 211b has a cylindrical shape corresponding to the second sliding rail 212b, and the second sliding block 212a has a cylindrical shape corresponding to the first sliding rail 211a. In addition, the first pivoting member 211 and the second pivoting member 212 are both composed of a plurality of stamping pieces, and the first sliding block 211b and the second sliding block 212a are in the form of rotating shafts and are inserted through The first pivoting member 211 and the second pivoting member 212, the first pivoting member 211 and the second pivoting member 212 made of stamping sheets not only have high accuracy, but also can save production costs, but not This is a limitation. It should be noted that in a modified embodiment, the second sliding rail 212b and the first sliding block 211b may also be omitted. In this modified embodiment, the structure of the second sliding block 212a is similar to that of the first sliding rail. 211a corresponds to the structure, that is, the shape of the second sliding block 212a needs to be matched with the concave and convex of the first sliding rail 211a to prevent the second sliding block 212a from facing each other when sliding in the first sliding rail 211a. The situation of turning.

4, 9 to 12, the synchronous pivoting units 3 are spaced apart from the supporting members 11 along the first direction D1, and are located between adjacent concentric pivoting units 2, and the Two wire passing spaces S are formed between the synchronous pivoting unit 3 and the concentric pivoting unit 2 located in the middle, for the connection wires (not shown) between the aforementioned electronic components to pass through, but the same concentric pivoting The arrangement of the units 2 and the synchronous pivoting units 3 can be changed according to requirements. Moreover, although in this embodiment, the number of concentric pivoting units 2 is three and the number of synchronous pivoting units 3 is two, the number of the two above only needs to be at least one and the number can be adjusted according to requirements , Is not limited to this embodiment. Each synchronizing pivot unit 3 includes a plurality of synchronizing pivot groups 31 respectively disposed between three adjacent support members 11, and each synchronizing pivot group 31 includes a setting surface 112 disposed on the middle support member 11 A first base 311, two second bases 312 respectively provided on the setting surface 112 of the support 11 on both sides, and provided on the first base 311 and are respectively provided on the two second bases 312 two synchronous pivoting mechanisms 313, each synchronous pivoting mechanism 313 can be pivoted on the first base 311 with a second axis A2 parallel to the first direction D1 as the axis, and can be parallel The third axis A3 in the first direction D1 is pivotally pivoted to the corresponding second base 312 as an axis. The two synchronous pivoting mechanisms 313 can be connected to each other in a relatively rolling manner, so that the supporting members 11 located on both sides It can pivot synchronously with respect to the support 11 located in the middle. In detail, each synchronous pivoting mechanism 313 has a synchronous pivoting member 314 rotatably pivoted on the first base 311 along a second axis A2 parallel to the first direction D1, and is slidably connected A sliding member 315 is pivotally pivoted to the corresponding second base 312 on the synchronous pivoting member 314 and rotatably along a third axis A3 parallel to the first direction D1. The synchronizing pivot members 314 of the two synchronizing pivot mechanisms 313 can be connected to each other in a relatively rolling manner, and the contact surface between the two synchronizing pivot members 314 is the meshing tooth surface 314a. In this embodiment, the synchronous pivoting member 314 has a sliding groove 314b extending along the second direction D2, and the sliding member 315 has a protrusion 315a slidably protruding from the sliding groove 314b, thereby The synchronous pivoting member 314 and the sliding member 315 are connected to each other in a relatively slidable manner. In a modified embodiment, the sliding groove 314 b is formed in the sliding member 315, and the protrusion 315 a is formed in the synchronous pivoting member 314. Each synchronous pivot group 31 also includes a plurality of rotating shaft members 316 penetrating between the first base 311 and the synchronous pivoting member 314, and between the second base 312 and the sliding member 315, so that the above-mentioned members can face each other. They are pivotally connected to each other, but not limited to this. The aforementioned synchronous pivoting units 3 occupy a small space ratio, and have a simple and reliable structure. In addition, it should be noted that the concentric pivoting unit 2 and the synchronous pivoting units 3 can be inserted through the supporting members 11 and fixed by means such as welding or gluing, as in this embodiment. In this case, it may also be fixed to the supporting members 11 through screw locking or other fixing methods.

Referring to Figure 4, Figure 13 to Figure 15, by means of the isocentric pivot unit 2 and the synchronous pivot units 3, the bendable support frame 10 can be switched between an unfolded state and a folded state (See Figure 13 to Figure 15). In the expanded state, the supporting surfaces 111 of the supporting members 11 are arranged adjacently in the second direction D2 and jointly form a supporting plane extending in the second direction D2. In the folded state, the supporting surfaces 111 The supporting surfaces 111 of the supporting member 11 jointly form a supporting arc surface protruding outward, and in this embodiment, in the folded state, the supporting shell members 110 are parallel to each other and abut against each other. With reference to Figures 8 and 12, the plurality of concentric pivot groups 21 are respectively provided between two adjacent support members 11, so that the adjacent two support members 11 can lean against the flexible The first axis A1 of the neutral layer 20a of the screen 20 is relatively pivoted to prevent the bendable support frame 10 from being able to pull the flexible screen when switching between the unfolded state and the folded state 20. Prevent the flexible screen 20 from being damaged, and by the synchronization pivot mechanism 313 of the synchronization pivot groups 31, the support members 11 on both sides of the three adjacent support members 11 can be synchronously opposed The support 11 in the middle pivots, so that the support 11 can pivot synchronously. It should be noted that the supporting surfaces 111 of the supporting members 11 are flat in this embodiment. Therefore, in the folded state, the supporting arc surface formed by the supporting surfaces 111 of the supporting members 11 is substantially The upper surface is composed of multiple planes. However, in a modified embodiment, the supporting surface 111 of the supporting member 11 may also be a curved surface, which should not be limited to this embodiment.

3, 16 to 19, the cover unit 4 includes a base 41, and two cover plates 42, the base 41 extends along the first direction D1 and is arranged in the middle of the support members 11面112. The base 41 has two semi-circular plate-shaped setting portions 411 respectively provided on the adjacent two sides of the setting surface 112 in the first direction D1, and two setting portions 411 connected between the two setting portions 411 and connected to the A connecting portion 412 of the support member 11 extending along the first direction D1 at intervals, the arc edges of the setting portions 411 face the setting surface 112 of the support member 11, so that the bendable support frame 10 is retracted In the closed state, the setting surfaces 112 of the supporting members 11 can lean against the arc edges of the setting portions 411. The accommodating space 110c of each supporting shell 110 has an opening 110d that faces the base 41 and allows the connection wires (not shown) between the aforementioned electronic components to pass through. The cover plates 42 can respectively extend along the second The direction D2 slidably penetrates through the openings 110 d, and the cover plates 42 can be slidably pivoted on the setting portion 411 of the base 41 in a direction perpendicular to the first direction D1. Each cover plate 42 has a bottom plate portion 421 opposite to the set surfaces 112, and respectively extend from the two side edges of the bottom plate portion 421 in the first direction D1 toward the set surfaces 112 and abut against the set surfaces 112. The two side plate portions 422 of the setting surface 112 are described. The base 41 and the cover plates 42 can cover the isocentric pivot unit 2, the synchronous pivot units 3, the connecting wires or other internal components between the aforementioned electronic components (see FIG. 4), Optimize the visual beauty. In more detail, each setting portion 411 of the base 41 has two pivoting sliding grooves 411a facing the connecting portion 412 and for pivoting the cover plates 42 correspondingly, and the pivoting sliding grooves 411a are along the first A direction D1 is formed and extends in a direction perpendicular to the first direction D1 adjacent to the connecting portion 412, and each cover plate 42 also has a portion extending from the bottom plate portion 421 and respectively protruding from the setting portions 411 The two pivoting protrusions 421a of the corresponding pivoting sliding groove 411a, through the pivoting sliding grooves 411a extending adjacent to the connecting portion 412, make the bendable support frame 10 in the unfolded state and the When switching between the folded states and the cover plates 42 respectively slide relative to the supporting shells 110 in the second direction D2, the bottom plate portion 421 of the cover plates 42 adjacent to the end edge of the connecting portion 412 can be close to The connecting portion 412 slides to more effectively cover the isocentric pivot unit 2, the synchronous pivot units 3, the connecting wires or other internal components between the aforementioned electronic components. Although, in this embodiment, the pivotal sliding grooves 411a are respectively inclined from the side of the setting portion 411 away from the setting surfaces 112 and extend opposite to each other toward the setting surfaces 112, and the pivots The angle between the extending direction of the sliding grooves 411a and the second direction D2 is 45 degrees, but the angle between the extending direction of the pivoting sliding grooves 411a and the aforementioned angle may follow the movement of the pivoting protrusions 421a of the cover plates 42 The adjustment of the trajectory is not limited to this embodiment.

Referring to FIG. 3 and FIG. 16 to FIG. 19, the torsion units 5 are disposed in the middle of the support members 11 and are respectively adjacent to the setting portions 411 of the base 41. Each torsion unit 5 includes a third base 51 and two torsion bar members 52, wherein the third base 51 is composed of a plurality of stamped pieces, but not limited thereto. The third base 51 is set on the installation surface 112 of the middle of the support members 11, one end of the torsion bar member 52 is pivotally mounted on the third base 51 in a tight fit, and the other end can be respectively along the The second direction D2 is slidably pivoted on the side plate portions 422 of the cover plates 42. In detail, the third base 51 is formed with two pivot holes 511 respectively corresponding to the torsion bars 52, and each side plate portion 422 of each cover plate 42 is formed with a corresponding torsion bar 52 and A pivoting sliding groove 422a extending along the second direction D2, each torsion bar member 52 has a first protruding column 521 located at one end and passing through the corresponding pivoting hole 511 tightly and interferingly, and located at the other One end is relatively slidable and rotatable through a second protruding post 522 of the corresponding pivoting sliding groove 422a. When the bendable support frame 10 is switched between the unfolded state and the folded state, the cover plates 42 are driven by the support shells 110 to pivot relative to the setting portion 411 of the base 41 to In turn, the torsion bars 52 of the torsion units 5 are driven to pivot relative to the third base 51, because the first protrusion 521 of the torsion bar 52 penetrates the third base 51 with tight fit and interference. The pivoting hole 511, so that when the torsion bar 52 pivots, the torsion bar 52 will generate a torsion force that prevents the torsion bar 52 from pivoting. The torsion force is transmitted to the supports through the cover plates 42. The shell 110 enables the bendable support frame 10 to be positioned in any state between the unfolded state and the collapsed state. It should be noted that in other modified implementation aspects, the number of torsion units 5 may also be one or more than three, which is not limited thereto. In addition, in this embodiment, each third base 51 is also formed with a slit 512 communicating between the pivot holes 511, and the third base 51 is easier to elastically deform through the slit 512. In this way, the first protrusions 521 of the torsion bars 52 can be easily installed in the pivot holes 511.

Continuing to refer to FIGS. 16 to 19, the positioning mechanisms 6 are provided in groups of the supporting shells 110 respectively, and the positioning mechanisms 6 respectively correspond to the side plate portions 422 of the cover plates 42. Each positioning mechanism 6 includes a fixing member 61 provided on the setting surface 112 of the corresponding support shell 110, an engaging member 62 slidably provided on the fixing member 61 along the first direction D1, and connected to the The fixing piece 61 and the elastic element 63 between the engaging piece 62, the engaging piece 62 and the elastic element 63 are arranged inside the fixing piece 61, and the engaging piece 62 has a side facing the corresponding side plate portion 422 The engaging part 621 is pushed by the elastic element 63 so that the engaging part 621 protrudes from the fixing part 61. Each side plate portion 422 of each cover plate 42 is formed with a first engaging groove 422b and a second engaging groove 422c corresponding to the engaging portion 621 of the corresponding engaging member 62 toward the first direction D1, In the unfolded state, the engaging portion 621 of each engaging member 62 is correspondingly engaged with the corresponding first engaging groove 422b, and in the folded state, the engaging portion 621 of each engaging member 62 corresponds to the card Is engaged with the corresponding second engaging groove 422c, when between the expanded state and the folded state, the engaging portion 621 of each engaging member 62 abuts against the side plate portion 422 of the corresponding cover plate 42 and is located in the first The part between the engaging groove 422b and the second engaging groove 422c. Thereby, the positioning and locking force of the bendable support frame 10 in the unfolded state and the folded state is strengthened to facilitate the operation of the user. It should be noted that, in a modified embodiment, the number of positioning mechanisms 6 may be only two, which is not limited to this embodiment.

In summary, the present invention uses a plurality of concentric pivot groups 21 respectively disposed between two adjacent support members 11, so that the adjacent two support members 11 can lean against the flexible The first axis A1 of the neutral layer 20a of the screen 20 is the axis of relative pivoting to prevent the bendable support frame 10 from being able to pull the flexible screen 20 when switching between the unfolded state and the folded state , To prevent the flexible screen 20 from being damaged, and by means of the synchronous pivoting mechanism 313 of the synchronous pivoting groups 31, the supporting members 11 on both sides of the three adjacent supporting members 11 can be synchronously relative to each other. The supporting member 11 in the middle pivots, so that the supporting members 11 can pivot synchronously.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.

10: Bendable support frame 1: Support unit 11: Support 110: Support shell 110a: first shell 110b: second housing 110c: accommodation space 110d: opening 111: support surface 112: Setting the surface 113: installation slot 2: Concentric pivot unit 21: Concentric pivot group 211: The first pivot 211a: The first slide 211b: The first slider 212: second pivot 212a: second slider 212b: second slide 3: Synchronous pivot unit 31: Synchronous pivot group 311: First Base 312: second base 313: Synchronous Pivot Mechanism 314: Synchronous pivot 314a: dentate surface 314b: Chute 315: Slider 315a: bump 316: Shaft 4: Covering unit 41: Base 411: Setting Department 411a: pivot chute 412: Connection 42: cover 421: bottom plate 421a: pivot boss 422: Side Board 422a: pivot chute 422b: The first engagement slot 422c: second engagement slot 5: Torque unit 51: third base 511: Pivot Hole 512: rift 52: Torsion member 521: first protruding column 522: second boss 6: positioning mechanism 61: fixed parts 62: clip 621: Card 63: elastic element 20: Flexible screen 20a: Neutral layer A1: The first axis A2: second axis A3: Third axis D1: First direction D2: second direction S: Crossing space

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view of an embodiment of the bendable support frame of the present invention; Figure 2 is a perspective view of the embodiment viewed from another angle; Figure 3 is a perspective exploded view of Figure 2; Figure 4 is a further perspective exploded view of Figure 3; Figure 5 is a perspective view illustrating the concentric pivot group of the concentric pivot unit of this embodiment; Figure 6 is a perspective exploded view of Figure 5; Figure 7 is a cross-sectional view illustrating the situation when the concentric pivot group of this embodiment has not yet relatively pivoted; Figure 8 is a cross-sectional view illustrating the condition of the concentric pivot group of this embodiment after relatively pivoting; Figure 9 is a perspective view illustrating the synchronous pivoting group of the synchronous pivoting unit of this embodiment; Figure 10 is a perspective exploded view of Figure 9; Figure 11 is a cross-sectional view illustrating the situation when the synchronous pivot group of this embodiment has not yet relatively pivoted; Figure 12 is a cross-sectional view illustrating the state of the synchronous pivot group of this embodiment after relatively pivoting; Figure 13 is a cross-sectional view of the embodiment in an expanded state; Figure 14 is a cross-sectional view of the embodiment between the expanded state and the folded state; Figure 15 is a cross-sectional view of the embodiment in the folded state; Figure 16 is an incomplete exploded perspective view of this embodiment, illustrating the covering unit, torsion unit and positioning mechanism of this embodiment, with the concentric pivot unit and synchronous pivot unit omitted in the figure; and 17 to 19 are multiple cross-sectional views of the process of transitioning from the expanded state to the folded state of this embodiment, illustrating the covering unit, torsion unit and positioning mechanism of this embodiment.

10: Bendable support frame

1: Support unit

11: Support

110: Support shell

110a: first shell

112: Setting the surface

2: Concentric pivot unit

21: Concentric pivot group

3: Synchronous pivot unit

31: Synchronous pivot group

4: Covering unit

41: Base

411: Setting Department

411a: pivot chute

412: Connection

42: cover

421: bottom plate

421a: pivot boss

422: Side Board

422a: pivot chute

422b: The first engagement slot

422c: second engagement slot

5: Torque unit

51: third base

52: Torsion member

522: second boss

6: positioning mechanism

61: fixed parts

62: clip

621: Card

D1: First direction

D2: second direction

S: Crossing space

Claims (11)

A bendable support frame suitable for setting up a flexible screen. The bendable support frame includes: A supporting unit includes a plurality of supporting members extending in a first direction and arranged side by side in sequence, each supporting member having a supporting surface and a setting surface opposite to the supporting surface, and the supporting surfaces are sequentially adjacent Arranged for the flexible screen to be set; The at least concentric pivot unit includes a plurality of concentric pivot groups respectively arranged between two adjacent support members, and each concentric pivot group includes a first pivot set on the setting surface of one of the support members Member, and a second pivoting member disposed on the setting surface of the other support member, the first pivoting member has a first sliding rail formed in the first direction and in an arc shape, and the second pivoting The member has a second sliding block formed in the first direction and slidably protruding from the first sliding rail. The center of curvature of the first sliding rail is farther from the supporting surface and leaning against the setting surface. A neutral layer in the thickness direction of the flexible screen, so that two adjacent support members can relatively pivot about a first axis passing through the center of curvature and parallel to the first direction as an axis; and At least one synchronous pivoting unit includes a plurality of synchronous pivoting groups respectively arranged between three adjacent support members, and each synchronous pivoting group includes a first base arranged on the setting surface of the support member located in the middle. A seat, two second bases respectively provided on the setting surfaces of the support members located on both sides, and two synchronous pivoting mechanisms provided on the first base and respectively provided on the two second bases, each The synchronous pivoting mechanism can be rotatably pivoted on the first base with a second axis parallel to the first direction as an axis, and can be pivoted rotatably with a third axis parallel to the first direction as an axis With respect to the corresponding second base, the two synchronous pivoting mechanisms can be connected to each other in a relatively rolling manner, so that the support members located on both sides can pivot synchronously relative to the support member located in the middle, The bendable support frame can be switched between an unfolded state and a folded state. In the unfolded state, the support surfaces of the supports are sequentially adjacent to each other along a second direction perpendicular to the first direction They are arranged and jointly form a supporting plane extending along the second direction. In the folded state, the supporting surfaces of the supporting members jointly form a supporting arc surface protruding outward. The bendable support frame according to claim 1, wherein the second pivoting member further has a second sliding rail formed in the first direction and in an arc shape, and the first pivoting member further has The first direction is formed and slidably corresponding to a first sliding block protruding from the second sliding rail, and the first axis passes through the center of curvature of the first sliding rail and the center of curvature of the second sliding rail. The bendable support frame according to claim 2, wherein the first sliding block has a cylindrical shape corresponding to the second sliding rail, and the second sliding block has a cylindrical shape corresponding to the first sliding rail. The bendable support frame according to claim 1, wherein each synchronous pivoting mechanism has a synchronous pivot pivotable on the first base rotatably along a second axis parallel to the first direction Member, and a sliding member slidably connected to the synchronous pivoting member and rotatably pivoted to the corresponding second base along a third axis parallel to the first direction, the synchronization of the two synchronous pivoting mechanisms The pivots can be connected to each other in a relatively rolling manner. The bendable support frame according to claim 4, wherein the contact surface between the two synchronous pivoting members is a tooth-like surface that meshes. The bendable support frame as described in any one of claims 1 to 5, wherein the two support shells at the two ends of the supports are respectively two support shells, and each support shell has a container located inside. The setting surface of the support shell faces the accommodating space. The bendable support frame according to claim 6, further comprising a covering unit, the covering unit comprising a base, and two cover plates, the base extends along the first direction and is arranged in the supporting parts The middle of the installation surface, the base has two installation portions respectively provided on the adjacent two sides of the installation surface in the first direction, and connected between the two installation portions and spaced from the support along the edge A connecting portion extending in the first direction, the accommodating space of each support shell has an opening facing the base, the cover plates are respectively slidable in the second direction and penetrate through the openings, and the The cover can be slidably pivoted on the setting part of the base along a direction perpendicular to the first direction. The bendable support frame according to claim 7, wherein each cover plate has a bottom plate portion opposite to the arrangement surfaces, and faces from both side edges of the bottom plate portion in the first direction. The two side plate portions extending from the set surfaces. The bendable support frame according to claim 8, wherein each setting portion of the base has two pivoting sliding grooves facing the connecting portion and respectively allowing the cover plates to be pivoted correspondingly, and the pivoting The sliding groove is formed along the first direction and extends in a direction perpendicular to the first direction adjacent to the connecting portion, and each cover plate further has a corresponding extending from the bottom plate portion and respectively protruding from the setting portions. The two pivoting bosses of the pivoting slide groove. The bendable support frame according to claim 8, further comprising at least one torsion unit, the torsion unit including a third base, and two torsion bars, the third base is provided in the support On the middle setting surface, one end of the torsion rods is tightly pivoted to the third base, and the other end is pivoted to the side plate portions of the cover plates slidably along the second direction. As described in claim 10, the bendable support frame further includes at least two positioning mechanisms, which are respectively provided on the support shells and respectively correspond to the cover plates, and each positioning mechanism includes A fixing piece corresponding to the supporting shell, an engaging piece slidably disposed on the fixing piece along the first direction, and an elastic element connected between the fixing piece and the engaging piece, each cover plate At least one first engaging groove and at least one second engaging groove are formed on the side plate portion of the corresponding engaging member in the first direction. In the unfolded state, each engaging member is correspondingly engaged with Corresponding first engaging groove, when in the folded state, each engaging member is correspondingly engaged with the corresponding second engaging groove, between the expanded state and the folded state, each engaging member Abut against the side plate part of the corresponding cover plate.

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