CN112581864A - Rotating shaft mechanism of flexible screen - Google Patents
Rotating shaft mechanism of flexible screen Download PDFInfo
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- CN112581864A CN112581864A CN202011011140.0A CN202011011140A CN112581864A CN 112581864 A CN112581864 A CN 112581864A CN 202011011140 A CN202011011140 A CN 202011011140A CN 112581864 A CN112581864 A CN 112581864A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 238000005452 bending Methods 0.000 abstract description 6
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- 230000001360 synchronised effect Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a rotating shaft mechanism of a flexible screen, which is arranged at the turnover folding part of the flexible screen and can be bent along with the turnover folding of the flexible screen, and comprises: the connecting shafts are used for fixedly connecting the rotating shaft chain belts, the number of the connecting shafts is two, and the two ends of the first rotating shaft chain belt and the last rotating shaft chain belt are respectively fixed at the first two ends of the two connecting shafts to form a rectangle. According to the invention, the four rotating shaft gear pieces are arranged on the rotating shaft chain belt and meshed together through the gears, so that when the rotating shaft mechanism is bent, the four rotating shaft gear pieces are matched with each other to compensate the length variable of the bent rotating shaft, the phenomenon that the rotating shaft and the flexible screen cannot be synchronized due to the shortened length of the bent rotating shaft is avoided, and in the bending process of the rotating shaft, the four rotating shaft gear pieces are matched with each other to thin the rotating shaft, so that the phenomenon that the rotating shaft mechanism is damaged and the flexible screen fails due to mutual extrusion among the gears is avoided.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to a rotating shaft mechanism of a flexible screen.
Background
With the continuous development of the technology, people pursue the display screen not only limited to the curved screen, but also foldable mobile terminals (such as foldable mobile phones, foldable tablet computers, etc.) gradually appear in the life of people. The foldable mobile terminal generally comprises a flexible screen, a coupling layer and a foldable component, wherein the flexible screen has the function of controlling the display of a device, and the foldable component has the functions of folding and unfolding; the coupling layer is typically an optical glue, and the flexible screen and the foldable module are bonded by the coupling layer. The flexible screen is generally made of materials with excellent flexibility, has the characteristics of low power consumption and flexibility, can be used for changing the appearance according to the requirements of people so as to meet the personal use, can be widely applied to personal intelligent terminals or wearable equipment, and can be used as the requirement for further extending out of the curved screen by people, namely the pursuit of people for the display screen.
The existing flexible screen is generally bent by adopting a rotating shaft to bend and assist the flexible screen to be bent, and the flexible screen is driven by two gears which are mutually attached, so that the tooth surfaces are mutually extruded to generate torsion. The defect of the rotating shaft mechanism is that the working mode is inflexible, after the rotating shaft is bent in a transmission mode through two mutually-laminated gears, the length of the rotating shaft can be shortened, the phenomenon that the rotating shaft and the flexible screen cannot be synchronized can be caused, and in the folding process, the bending part of the flexible screen can be extruded mutually by the two mutually-laminated gears, so that the phenomenon that the damaged flexible screen of the rotating shaft mechanism fails can be caused easily.
In view of the deficiencies of the prior art, a device for a rotating shaft mechanism of a flexible screen is urgently needed in the industry.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a rotating shaft mechanism of a flexible screen.
In order to achieve the purpose, the invention adopts the following technical scheme.
The invention provides a rotating shaft mechanism of a flexible screen, which is arranged at the turnover folding part of the flexible screen and can be bent along with the turnover folding of the flexible screen, and comprises: the connecting device comprises a plurality of rotating shaft chain belts arranged side by side at intervals and connecting shafts for fixedly connecting the rotating shaft chain belts, wherein the number of the connecting shafts is two, and two ends of a first rotating shaft chain belt and a last rotating shaft chain belt are respectively fixed at the first two ends of the two connecting shafts to form a rectangle; the rotating shaft chain belt comprises: a plurality of first pivot gear spare that the interval set up side by side is provided with second pivot gear spare between the adjacent every first pivot gear spare, the interval sets up in turn side by side between first pivot gear spare and the second pivot gear spare, be provided with third pivot gear spare directly over the first pivot gear spare, be provided with fourth pivot gear spare directly over the second pivot gear spare, wherein, all be provided with the gear on first pivot gear spare, second pivot gear spare, third pivot gear spare and the fourth pivot gear spare, first pivot gear spare is in the same place through gear engagement with fourth pivot gear spare, second pivot gear spare is in the same place through gear engagement with third pivot gear spare.
As a further improvement of the invention, the rotating shaft chain belt also comprises a rotating shaft chain belt connecting piece arranged at the left and right tail ends of the rotating shaft chain belt, one end of the rotating shaft chain belt connecting piece is fixedly connected with the connecting shaft, one end of the rotating shaft chain belt connecting piece, which is far away from the connecting shaft, is provided with a gear, and the rotating shaft chain belt connecting piece is meshed with a third rotating shaft gear piece together through the gear.
As a further improvement of the present invention, four corners of the first rotating shaft gear member are respectively provided with a first gear, the first gear is in a semi-cylindrical shape, the center of the first gear is provided with an elliptical first through hole, and the edge of the first through hole extends along the inner side of the first gear to form a boss.
As a further improvement of the present invention, four corners of the second rotating shaft gear piece are respectively provided with a second gear, the second gear is in a semi-cylindrical shape, a circular second through hole is arranged at the center of the second gear, first grooves for the second rotating shaft gear piece to be clamped in are arranged at the left and right ends of the first rotating shaft gear piece, the second rotating shaft gear piece can be clamped in the first rotating shaft gear piece after the second gear is matched with the first grooves, and an extension line of a cylindrical center line of the second through hole coincides with an extension line of a cylindrical center line of the first through hole after the second rotating shaft gear piece is clamped in the first rotating shaft gear piece.
As a further improvement of the present invention, a nut is disposed at one end of the rotating shaft chain belt connecting piece, a third gear is disposed at one end of the rotating shaft chain belt connecting piece away from the nut, the third gear is semi-cylindrical, a circular third through hole is disposed at the center of the third gear, the rotating shaft chain belt connecting piece can be clamped into the first rotating shaft gear piece after the third gear is matched with the first groove, and an extension line of a cylindrical center line of the third through hole coincides with an extension line of a cylindrical center line of the first through hole after the rotating shaft chain belt connecting piece is clamped into the first rotating shaft gear piece.
As a further improvement of the present invention, a second groove is provided right above the first rotating shaft gear, the third rotating shaft gear is provided in the second groove right above the first rotating shaft gear, fourth gears are provided at four corners of the third rotating shaft gear, the fourth gears are semi-cylindrical, and a circular fourth through hole is provided at the center of the fourth gears.
As a further improvement of the present invention, a third groove is provided right above the second rotating shaft gear, the fourth rotating shaft gear is provided in the third groove right above the second rotating shaft gear, fifth gears are provided at four corners of the fourth rotating shaft gear, the fifth gears are semi-cylindrical, and a circular fifth through hole is provided at the center of the fifth gears.
As a further improvement of the invention, a fourth groove is arranged between two adjacent fourth gears, a fifth groove is arranged between two adjacent second gears, a first connecting piece is arranged in a space where the fourth groove and the fifth groove are combined, a first lock catch and a second lock catch are arranged at two ends of the first connecting piece, the first lock catch and the second lock catch are both of cylindrical structures, the centers of the first lock catch and the second lock catch are respectively provided with a circular sixth through hole and a circular seventh through hole, the first lock catch can be clamped into the fourth groove, after the first lock catch is clamped into the fourth groove, the extension line of the cylindrical center line of the sixth through hole is superposed with the extension line of the cylindrical center line of the fourth through hole, the second lock catch can be clamped into the fifth groove, and after the second lock catch is clamped in the fifth groove, the extension line of the cylindrical center line of the seventh through hole is superposed with the extension line of the cylindrical center line of the second through hole.
As a further improvement of the invention, a sixth groove is arranged between two adjacent front and back fifth gears, a second connecting piece is arranged on the sixth groove, a first locking ring and a second locking ring are arranged at two ends of the second connecting piece, the first locking ring and the second locking ring are both semi-cylindrical, the centers of the first locking ring and the second locking ring are respectively provided with a circular eighth through hole and a circular ninth through hole, one end of the second connecting piece, which is provided with the first locking ring, can be clamped into the sixth groove, after the second connecting piece is clamped in the sixth groove, the extension line of the cylindrical center line of the eighth through hole is superposed with the extension line of the cylindrical center line of the fifth through hole, one end of the second connecting piece, which is provided with a second locking ring, can be clamped in the boss, and after the second connecting piece is clamped into the sixth groove, the extension line of the cylindrical center line of the ninth through hole is overlapped with the extension line of the cylindrical center line of the first through hole.
As a further improvement of the present invention, the rotating shaft chain belt further includes a first limiting rod, a second limiting rod, a third limiting rod and a fourth limiting rod, the first limiting rod sequentially penetrates through the first through hole, the ninth through hole, the second through hole and the seventh through hole, the second limiting rod sequentially penetrates through the fourth through hole and the sixth through hole, the third limiting rod sequentially penetrates through the fifth through hole and the eighth through hole, and the fourth limiting rod sequentially penetrates through the third through hole and the seventh through hole.
According to the rotating shaft mechanism of the flexible screen, the four rotating shaft gear pieces are arranged on the rotating shaft chain belt and meshed together through the gears, so that when the rotating shaft mechanism is bent, the four rotating shaft gear pieces are matched with each other to compensate length variation of the bent rotating shaft, the phenomenon that the rotating shaft and the flexible screen cannot be synchronized due to the fact that the length of the bent rotating shaft is shortened is avoided, in the process that the rotating shaft is bent, the four rotating shaft gear pieces are matched with each other to thin the rotating shaft, and the phenomenon that the flexible screen is damaged and fails due to mutual extrusion of the gears is avoided.
Drawings
FIG. 1 is a schematic perspective view of a rotating shaft mechanism of a flexible screen according to the present invention;
FIG. 2 is a schematic perspective view of the rotating shaft chain belt of the present invention;
FIG. 3 is a schematic view of a partial explosion of the shaft link according to the present invention.
Wherein: 1-a rotating shaft chain belt; 2-a connecting shaft; 101-a first shaft gear member; 102-a second spindle gear member; 103-third shaft gear member; 104-a fourth shaft gear member; 105-a shaft-link-belt connector; 106-a first connector; 107-a second connector; 108-a first stop bar; 109-a second stop bar; 110-a third stop bar; 111-a fourth stop bar; 101 a-a first gear; 101 b-a first via; 101 c-boss; 101 d-a first groove; 101 e-a second groove; 102 a-a second gear; 102 b-a second via; 102 c-a third groove; 102 d-fifth groove; 103 a-fourth gear; 103 b-a fourth via; 103 c-a fourth groove; 104 a-fifth gear; 104 b-a fifth via; 104 c-a sixth groove; 105 a-a nut; 105 b-a third gear; 105 c-a third via; 106 a-a first latch; 106 b-a second locking catch; 106 c-a sixth via; 106 d-seventh via; 107 a-first locking ring; 107 b-a second lock ring; 107 c-eighth via; 107 d-ninth via.
Detailed Description
The technical solutions will be described clearly and completely in the following with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, according to a first aspect of the present invention, there is provided a hinge mechanism of a flexible panel, for being disposed at a flip-fold portion of the flexible panel and being bendable along with the flip-fold of the flexible panel, comprising: the flexible screen comprises a plurality of rotating shaft chain belts 1 arranged side by side at intervals and connecting shafts 2 for fixedly connecting the rotating shaft chain belts 1, wherein the number of the connecting shafts 2 is two, two ends of a first rotating shaft chain belt 1 and two ends of a last rotating shaft chain belt 1 are respectively fixed at the head two ends of the two connecting shafts 2 to form a rectangle, and a rotating shaft mechanism of the flexible screen can be connected with the flexible screen.
As a preferred embodiment of the present invention, the number of the rotating shaft chain belts 1 is 3, the distance between every two adjacent rotating shaft chain belts 1 is the same, the rotating shaft chain belts 1 can be bent along with the turning and folding of the flexible screen, 5, 7 or 9 rotating shaft chain belts 1 can be arranged in parallel at intervals in the rotating shaft mechanism as required, the distance between every two adjacent rotating shaft chain belts 1 is the same, and the number of the rotating shaft chain belts 1 can be increased or decreased according to the screen size of the flexible screen and the weight of the flexible screen, so as to meet the requirements of the rotating shaft chain belts 1 on the supporting strength and the supporting stability when supporting the screen, and the number of the rotating shaft chain belts 1 is not particularly limited in the present application.
Referring to fig. 2, the rotation shaft link belt 1 includes: a plurality of first rotating shaft gear pieces 101 which are arranged side by side at intervals, a second rotating shaft gear piece 102 is arranged between every two adjacent first rotating shaft gear pieces 101, the first rotating shaft gear pieces 101 and the second rotating shaft gear pieces 102 are alternately arranged side by side at intervals, a third rotating shaft gear piece 103 is arranged right above the first rotating shaft gear pieces 101, and a fourth rotating shaft gear piece 104 is arranged right above the second rotating shaft gear pieces 102, wherein gears are arranged on the first rotating shaft gear pieces 101, the second rotating shaft gear pieces 102, the third rotating shaft gear pieces 103 and the fourth rotating shaft gear pieces 104, the first rotating shaft gear pieces 101 and the fourth rotating shaft gear pieces 104 are meshed together through the gears, the second rotating shaft gear pieces 102 and the third rotating shaft gear pieces 103 are meshed together through the gears, and when the rotating shaft chain belt 1 is in an unfolded state, a certain gap is formed between the third rotating shaft gear pieces 103 and the first rotating shaft gear pieces 101, in the process of bending the rotating shaft chain belt 1, due to the interaction of the gears, the third rotating shaft gear piece 103 can be slowly attached to the first rotating shaft gear piece 101 until being completely attached to the first rotating shaft gear piece 101, the thickness of the rotating shaft chain belt 1 is relatively thinned, the internal space of the rotating shaft chain belt 1 after the thinning is relatively large, and the flexible screen arranged in the rotating shaft chain belt 1 cannot generate the phenomenon of screen failure due to extrusion.
As a preferred embodiment of the present invention, the first rotary shaft gear members 101 are provided in 7, the third rotary shaft gear members 103 are provided in 7 corresponding to the first rotary shaft gear members 101, the second rotary shaft gear members 102 are provided in 6, the fourth rotary shaft gear members 104 are provided in 6 corresponding to the second rotary shaft gear members 102, a combination of one first rotary shaft gear member 101 and one third rotary shaft gear member 103 may be used as a first rotary shaft gear member group, one second rotary shaft gear member 102 and one third rotary shaft gear member 103 may be used as a second rotary shaft gear member group, one second rotary shaft gear member group is provided between each two adjacent first rotary shaft gear member groups, the number of first rotary shaft gear member groups in the present invention is 7, the number of second rotary shaft gear member groups is provided in 6, the number of first rotary shaft gear member groups may be set as required to be 8, the number of second rotary shaft gear members corresponding to 7, the number of the first rotating shaft gear group and the second rotating shaft gear group can be increased and reduced according to the bending angle of the rotating shaft, so that the requirement for the bending angle when the rotating shaft is bent is met, and the number of the first rotating shaft gear group and the second rotating shaft gear group is not particularly limited in the application.
The rotating shaft chain belt 1 further comprises a rotating shaft chain belt connecting piece 105 arranged at the left end and the right end of the rotating shaft chain belt 1, one end of the rotating shaft chain belt connecting piece 105 is fixedly connected with the connecting shaft 2, a gear is arranged at one end, far away from the connecting shaft 2, of the rotating shaft chain belt connecting piece 105, and the rotating shaft chain belt connecting piece 105 and the third rotating shaft gear piece 103 are meshed together through the gear.
Referring to fig. 3, the first gear 101a is disposed at four corners of the first rotating shaft gear 101, the first gear 101a is semi-cylindrical, an elliptical first through hole 101b is disposed at the center of the first gear 101a, and a boss 101c is formed by extending the edge of the first through hole 101b along the inner side of the first gear 101 a.
Four corners of the second rotating shaft gear piece 102 are provided with second gears 102a, the second gears 102a are semi-cylindrical, the center of the second gears 102a is provided with a second circular through hole 102b, the left and right ends of the first rotating shaft gear piece 101 are provided with first grooves 101d for the second rotating shaft gear piece 102 to be clamped in, the second rotating shaft gear piece 102 can be clamped in the first rotating shaft gear piece 101 after the second gears 102a and the first grooves 101d are mutually matched, and the extension line of the cylindrical center line of the second through hole 102b and the extension line of the cylindrical center line of the first through hole 101b coincide with each other after the second rotating shaft gear piece 102 is clamped in the first rotating shaft gear piece 101.
One end of the rotating shaft chain belt connecting piece 105 is provided with a nut 105a, one end of the rotating shaft chain belt connecting piece 105 far away from the nut 105a is provided with a third gear 105b, the third gear 105b is in a semi-cylindrical shape, a circular third through hole 105c is formed in the center of the third gear 105b, the rotating shaft chain belt connecting piece 105 can be clamped into the first rotating shaft gear piece 101 after the third gear 105b is matched with the first groove 101d, and the extension line of the cylindrical center line of the third through hole 105c is overlapped with the extension line of the cylindrical center line of the first through hole 101b after the rotating shaft chain belt connecting piece 105 is clamped into the first rotating shaft gear piece 101.
A second groove 101e is formed right above the first rotating shaft gear 101, the third rotating shaft gear 103 is arranged in the second groove 101e right above the first rotating shaft gear 101, fourth gears 103a are arranged at four corners of the third rotating shaft gear 103, the fourth gears 103a are semi-cylindrical, and a circular fourth through hole 103b is formed in the center of the fourth gears 103 a.
A third groove 102c is formed right above the second rotating shaft gear piece 102, the fourth rotating shaft gear piece 104 is arranged in the third groove 102c right above the second rotating shaft gear piece 102, fifth gears 104a are arranged at four corners of the fourth rotating shaft gear piece 104, the fifth gears 104a are semi-cylindrical, and a circular fifth through hole 104b is formed in the center of the fifth gears 104 a.
A fourth groove 103c is arranged between two adjacent front and rear fourth gears 103a, 2 fourth grooves 103c are arranged on each third rotating shaft gear 103, a fifth groove 102d is arranged between two adjacent front and rear second gears 102a, 2 fifth grooves 102d are arranged on each second rotating shaft gear 102, a first connecting piece 106 is arranged in a space where the fourth groove 103c is combined with the fifth groove 102d, a first lock 106a and a second lock 106b are arranged at two ends of the first connecting piece 106, the first lock 106a and the second lock 106b are both in a cylindrical structure, a circular sixth through hole 106c and a circular seventh through hole 106d are respectively arranged at the centers of the first lock 106a and the second lock 106b, the first lock 106a can be clamped into the fourth groove 103c, and the extension line of the four-way central line of the sixth through hole 106c is coincident with the extension line of the cylindrical central line of the fourth through hole 103b after the first lock 106a is clamped into the fourth groove 103c, the second locking catch 106b can be clamped in the fifth groove 102d, and after the second locking catch 106b is clamped in the fifth groove 102d, an extension line of a cylindrical center line of the seventh through hole 106d coincides with an extension line of a cylindrical center line of the second through hole 102 b.
A sixth groove 104c is provided between two adjacent front and rear fifth gears 104a, wherein two sixth grooves 104c are provided between two adjacent front and rear fifth gears 104a, 4 sixth grooves 104c are provided on each fourth rotating shaft gear 104, a second connecting member 107 is provided on the sixth groove 104c, a first locking ring 107a and a second locking ring 107b are provided at both ends of the second connecting member 107, the first locking ring 107a and the second locking ring 107b are semi-cylindrical, a circular eighth through hole 107c and a circular ninth through hole 107d are provided at the centers of the first locking ring 107a and the second locking ring 107b, one end of the second connecting member 107a provided with the first locking ring 107a can be clamped into the sixth groove 104c, and an extension line of a cylindrical center line of the eighth through hole 107c after the second connecting member 107 is clamped into the sixth groove 104c coincides with an extension line of a cylindrical center line of the fifth through hole 104b, one end of the second connecting piece 107 provided with the second locking ring 107b can be clamped into the boss 101c, and after the second connecting piece 107 is clamped into the sixth groove 104c, the extension line of the cylindrical center line of the ninth through hole 107d is overlapped with the extension line of the cylindrical center line of the first through hole 101 b.
The rotating shaft chain belt 1 further includes a first limiting rod 108, a second limiting rod 109, a third limiting rod 110 and a fourth limiting rod 111, the first limiting rod 108, the second limiting rod 109, the third limiting rod 110 and the fourth limiting rod 111 are limiting rods with the same diameter, the diameter of the first limiting rod 108, the second limiting rod 109, the third limiting rod 110 and the fourth limiting rod 111 is slightly smaller than the small diameter of the first through hole 101b, so that the first limiting rod 108, the second limiting rod 109, the third limiting rod 110 and the fourth limiting rod 111 can be displaced left and right in the first through hole 101b and can also be displaced front and back in the first through hole 101b after being inserted into the oval first through hole 101b, and the diameter of the first limiting rod 108, the second limiting rod 109, the third limiting rod 110 and the fourth limiting rod 111 is slightly smaller than the second through hole 102b, the third through hole 105c, the fourth through hole 103b, the fifth through hole 104b, The diameters of the sixth through hole 106c, the seventh through hole 106d, the eighth through hole 107c, and the ninth through hole 107d are such that the first stopper rod 108, the second stopper rod 109, the third stopper rod 110, and the fourth stopper rod 111 can be displaced back and forth within the second through hole 102b, the third through hole 105c, the fourth through hole 103b, the fifth through hole 104b, the sixth through hole 106c, the seventh through hole 106d, the eighth through hole 107c, and the ninth through hole 107d after being inserted into the second through hole 102b, the third through hole 105c, the fourth through hole 103b, the fifth through hole 104b, the sixth through hole 106c, the seventh through hole 106d, the eighth through hole 107c, and the ninth through hole 107d, respectively.
The first limiting rod 108 sequentially penetrates through the first through hole 101b, the ninth through hole 107d, the second through hole 102b and the seventh through hole 106d, the first limiting rod 108 penetrates through the first through hole 101b, the ninth through hole 107d, the second through hole 102b and the seventh through hole 106d, the first rotating shaft gear 101 is respectively limited with the second connecting piece 107, the second rotating shaft gear 102 and the first connecting piece 106, the second limiting rod 109 sequentially penetrates through the fourth through hole 103b and the sixth through hole 106c, the third rotating shaft gear 103 is limited with the first connecting piece 106, the third rotating shaft gear 103 is respectively limited with the first rotating shaft gear 101 and the second rotating shaft gear 102, the third limiting rod 110 sequentially penetrates through the fifth through hole 104b, the eighth through hole 107c, and the fifth limiting rod 110 sequentially penetrates through the fifth through hole 104b, the ninth through hole 107d, After the eighth through hole 107c, the fourth rotating shaft gear piece 104 and the second connecting piece 107 are mutually limited, so that the fourth rotating shaft gear piece 104 is mutually limited with the first rotating shaft gear piece 101, the second rotating shaft gear piece 102 and the third rotating shaft gear piece 103, the fourth limiting rod 111 sequentially penetrates through the third through hole 105c and the seventh through hole 106d, so that the rotating shaft chain belt connecting piece 105 and the first connecting piece 106 are mutually limited, so that the rotating shaft chain belt connecting piece 105 and the first rotating shaft gear piece 101 are mutually limited, all the parts are mutually limited through the limiting rods, the combined rotation between 7 groups of first rotating shaft gear pieces and 6 groups of second rotating shaft gear pieces is synchronous, when any one group of the first rotating shaft gear pieces or any one group of the second rotating shaft gear pieces in the rotating shaft chain belt 1 rotates, the rest first rotating shaft gear component groups and the rest second rotating shaft gear component groups also rotate along with the rotation, and the rotating angle of the rotating shaft chain belt 1 is the sum of the mutually matched rotating angles of all the first rotating shaft gear component groups and all the second rotating shaft gear component groups.
It is also noted that, by providing the first through hole 101b in an elliptical shape, since the elliptical first through hole 101b has a certain space in the direction of the large diameter, therefore, after the first stopper rod 108 is inserted into the first through hole 101b, the first stopper rod 108 can be displaced left and right in the major diameter direction of the first through hole 101b, and during the bending process of the rotating shaft chain belt 1, the first limiting rod 108 displaces in the major diameter direction of the first through hole 101b, the first limiting rod 108 attached to the left side of the first through hole 101b displaces to the right side of the first through hole 101b, the first limiting rod 108 attached to the right side of the first through hole 101b displaces to the left side of the first through hole 101b, so that the length variable of the bent rotating shaft can be compensated, the sum of the displacement in the first through holes 101b is the compensation amount for compensating the length variable after the rotating shaft is bent, so that the phenomenon that the rotating shaft and the flexible screen cannot be synchronized due to the fact that the length of the rotating shaft is shortened after the rotating shaft is bent is avoided.
According to the rotating shaft mechanism of the flexible screen, the four rotating shaft gear pieces are arranged on the rotating shaft chain belt and meshed together through the gears, so that when the rotating shaft mechanism is bent, the four rotating shaft gear pieces are matched with each other to compensate length variation of the bent rotating shaft, the phenomenon that the rotating shaft and the flexible screen cannot be synchronized due to the fact that the length of the bent rotating shaft is shortened is avoided, in the process that the rotating shaft is bent, the four rotating shaft gear pieces are matched with each other to thin the rotating shaft, and the phenomenon that the flexible screen is damaged and fails due to mutual extrusion of the gears is avoided.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (10)
1. The utility model provides a pivot mechanism of flexible screen for the setting is at flexible screen upset folding position, and can be folded and crooked along with the upset of flexible screen, its characterized in that includes: the connecting device comprises a plurality of rotating shaft chain belts arranged side by side at intervals and connecting shafts for fixedly connecting the rotating shaft chain belts, wherein the number of the connecting shafts is two, and two ends of a first rotating shaft chain belt and a last rotating shaft chain belt are respectively fixed at the first two ends of the two connecting shafts to form a rectangle;
the rotating shaft chain belt comprises: a plurality of first pivot gear spare that the interval set up side by side is provided with second pivot gear spare between the adjacent every first pivot gear spare, the interval sets up in turn side by side between first pivot gear spare and the second pivot gear spare, be provided with third pivot gear spare directly over the first pivot gear spare, be provided with fourth pivot gear spare directly over the second pivot gear spare, wherein, all be provided with the gear on first pivot gear spare, second pivot gear spare, third pivot gear spare and the fourth pivot gear spare, first pivot gear spare is in the same place through gear engagement with fourth pivot gear spare, second pivot gear spare is in the same place through gear engagement with third pivot gear spare.
2. The rotating shaft mechanism of the flexible screen according to claim 1, wherein the rotating shaft chain belt further comprises a rotating shaft chain belt connecting piece arranged at the left end and the right end of the rotating shaft chain belt, one end of the rotating shaft chain belt connecting piece is fixedly connected with the connecting shaft, a gear is arranged at one end of the rotating shaft chain belt connecting piece far away from the connecting shaft, and the rotating shaft chain belt connecting piece is meshed with a third rotating shaft gear piece through the gear.
3. The rotating shaft mechanism of a flexible screen according to claim 2, wherein the first gear is disposed at each of four corners of the first rotating shaft gear, the first gear is semi-cylindrical, an oval first through hole is disposed at the center of the first gear, and a boss is formed by extending the edge of the first through hole along the inner side of the first gear.
4. The rotating shaft mechanism of the flexible screen according to claim 3, wherein four corners of the second rotating shaft gear piece are provided with second gears, the second gears are semi-cylindrical, the center of the second gears is provided with a circular second through hole, first grooves for the second rotating shaft gear piece to be clamped are formed in the left and right ends of the first rotating shaft gear piece, the second rotating shaft gear piece can be clamped into the first rotating shaft gear piece after being mutually matched with the first grooves through the second gears, and the extension line of the cylindrical center line of the second through hole is coincided with the extension line of the cylindrical center line of the first through hole after the second rotating shaft gear piece is clamped into the first rotating shaft gear piece.
5. The rotating shaft mechanism of the flexible screen according to claim 4, characterized in that one end of the rotating shaft chain belt connecting piece is provided with a nut, one end of the rotating shaft chain belt connecting piece, which is far away from the nut, is provided with a third gear, the third gear is in a semi-cylindrical shape, a circular third through hole is arranged at the center of the third gear, the rotating shaft chain belt connecting piece can be clamped into the first rotating shaft gear piece after being mutually matched with the first groove through the third gear, and the extension line of the cylindrical center line of the third through hole is mutually overlapped with the extension line of the cylindrical center line of the first through hole after the rotating shaft chain belt connecting piece is clamped into the first rotating shaft gear piece.
6. The rotating shaft mechanism of the flexible screen according to claim 5, wherein a second groove is provided right above the first rotating shaft gear, the third rotating shaft gear is provided in the second groove right above the first rotating shaft gear, four corners of the third rotating shaft gear are provided with fourth gears, each fourth gear is in a semi-cylindrical shape, and a circular fourth through hole is provided at the center of each fourth gear.
7. The rotating shaft mechanism of the flexible screen according to claim 6, wherein a third groove is provided right above the second rotating shaft gear, the fourth rotating shaft gear is provided in the third groove right above the second rotating shaft gear, a fifth gear is provided at each of four corners of the fourth rotating shaft gear, the fifth gear is semi-cylindrical, and a fifth circular through hole is provided at the center of the fifth gear.
8. The rotating shaft mechanism of the flexible screen according to claim 7, wherein a fourth groove is arranged between the fourth gears, a fifth groove is arranged between the second gears, a first connecting piece is arranged in a space where the fourth groove and the fifth groove are combined, a first lock catch and a second lock catch are arranged at two ends of the first connecting piece, the first lock catch and the second lock catch are both of cylindrical structures, a circular sixth through hole and a circular seventh through hole are respectively arranged at the centers of the first lock catch and the second lock catch, the first lock catch can be clamped into the fourth groove, an extension line of a cylindrical center line of the sixth through hole after the first lock catch is clamped into the fourth groove and an extension line of a cylindrical center line of the fourth through hole coincide with each other, the second lock catch can be clamped into the fifth groove, and a cylindrical center line of the seventh through hole and a cylindrical center line of the second through hole after the second lock catch is clamped into the fifth groove The extension lines of the central lines are overlapped with each other.
9. The rotating shaft mechanism of a flexible screen according to claim 8, wherein a sixth groove is provided between two adjacent front and back fifth gears, a second connecting piece is arranged on the sixth groove, a first locking ring and a second locking ring are arranged at two ends of the second connecting piece, the first locking ring and the second locking ring are both semi-cylindrical, the centers of the first locking ring and the second locking ring are respectively provided with a circular eighth through hole and a circular ninth through hole, one end of the second connecting piece, which is provided with the first locking ring, can be clamped into the sixth groove, after the second connecting piece is clamped in the sixth groove, the extension line of the cylindrical center line of the eighth through hole is superposed with the extension line of the cylindrical center line of the fifth through hole, one end of the second connecting piece, which is provided with a second locking ring, can be clamped in the boss, and after the second connecting piece is clamped into the sixth groove, the extension line of the cylindrical center line of the ninth through hole is overlapped with the extension line of the cylindrical center line of the first through hole.
10. The rotating shaft mechanism of a flexible screen according to claim 9, wherein the rotating shaft chain belt further comprises a first limiting rod, a second limiting rod, a third limiting rod and a fourth limiting rod, the first limiting rod sequentially penetrates through the first through hole, the ninth through hole, the second through hole and the seventh through hole, the second limiting rod sequentially penetrates through the fourth through hole and the sixth through hole, the third limiting rod sequentially penetrates through the fifth through hole and the eighth through hole, and the fourth limiting rod sequentially penetrates through the third through hole and the seventh through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011011140.0A CN112581864A (en) | 2020-09-24 | 2020-09-24 | Rotating shaft mechanism of flexible screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011011140.0A CN112581864A (en) | 2020-09-24 | 2020-09-24 | Rotating shaft mechanism of flexible screen |
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| Publication Number | Publication Date |
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| CN112581864A true CN112581864A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011011140.0A Pending CN112581864A (en) | 2020-09-24 | 2020-09-24 | Rotating shaft mechanism of flexible screen |
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| CN (1) | CN112581864A (en) |
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| CN211370996U (en) * | 2019-07-15 | 2020-08-28 | 深圳市柔宇科技有限公司 | Folding device and electronic equipment |
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| US20180279489A1 (en) * | 2015-09-24 | 2018-09-27 | Sharp Kabushiki Kaisha | Flexible device |
| CN107408362A (en) * | 2015-12-31 | 2017-11-28 | 深圳市柔宇科技有限公司 | Bent mobile terminal |
| CN209414382U (en) * | 2018-03-12 | 2019-09-20 | 深圳市柔宇科技有限公司 | Hinge means, shell and electronic device |
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Effective date of registration: 20220614 Address after: 523000 No. 75, miaobianwang Road, Shipai town, Dongguan City, Guangdong Province Applicant after: Dongguan Yuzhou Precision Technology Co.,Ltd. Address before: 523000 Wenmiao Road, miaobianwang village, Shipai town, Dongguan City, Guangdong Province Applicant before: Dongguan City, Yu Zhou Hardware Products Co.,Ltd. |
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