CN107680488A - A kind of spreading mechanism device shown for cambered surface - Google Patents
A kind of spreading mechanism device shown for cambered surface Download PDFInfo
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- CN107680488A CN107680488A CN201711086463.4A CN201711086463A CN107680488A CN 107680488 A CN107680488 A CN 107680488A CN 201711086463 A CN201711086463 A CN 201711086463A CN 107680488 A CN107680488 A CN 107680488A
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- stiff sheet
- spreading mechanism
- drive
- cambered surface
- deformation
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of spreading mechanism device shown for cambered surface, including spreading mechanism and drive mechanism and housing, the spreading mechanism to include stiff sheet and support frame, and the stiff sheet both ends are flexibly connected with support frame；The drive mechanism is fixedly connected with the casing；The drive mechanism includes drive rod；The stiff sheet both ends include sliding block, and the sliding block includes the spacing hole of racetrack, and support frame as described above includes limit shaft；The limit shaft is flexibly connected with spacing hole, and the drive rod in axial direction outwardly or inwardly moves, and drives the stiff sheet evagination arc-shaped deformation or concave arc to deform；The radian of evagination arc-shaped deformation or the concave arc deformation of the stiff sheet is limited hole restriction.
Description
Technical field
The present invention relates to a kind of display, and in particular to a kind of spreading mechanism device shown for cambered surface.
Background technology
Display is also generally referred to as monitor.Existing display is typically only capable to plane and shown.In order to improve one
The more comfortable viewing screen of kind, while the fast development of flexible screen technology, in order to obtain more preferable viewing effect, at present
There is the display of inner concave shape.But plane can be taken into account and shown, and can realizes that the mechanism of the display screen of curved-surface display is all non-at present
It is often complicated, curved-surface display supporting construction is formed typically by multiple layout modes, or splice by hinge arrangement mode
Locate the supporting construction of curved-surface display.
It is simple and reliable in order to realize, and plane can be taken into account and shown, and can realizes what the cambered surface of curved-surface display was shown
Spreading mechanism device, it is that further development curved-surface display needs to solve the problems, such as.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of spreading mechanism device shown for cambered surface, from
And solve the above problems.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：A kind of support shown for cambered surface
Opening mechanism device, including spreading mechanism and drive mechanism and housing, the spreading mechanism include stiff sheet and support frame, institute
Stiff sheet both ends are stated to be flexibly connected with support frame；
The drive mechanism is fixedly connected with the casing；The drive mechanism includes drive rod；
The stiff sheet both ends include sliding block, and the sliding block includes the spacing hole of racetrack, and support frame as described above includes limit shaft；
The limit shaft is flexibly connected with spacing hole, and the drive rod in axial direction outwardly or inwardly moves, and drives the rigidity thin
Plate evagination arc-shaped deformation or concave arc deformation；The radian quilt of evagination arc-shaped deformation or the concave arc deformation of the stiff sheet
Spacing hole limits.
A kind of optional technical scheme, wherein, the interior stomidium and outer stomidium that the spacing hole includes, the interior stomidium and outer
The distance between stomidium D meets below equation：
And
C=2Rarcsin (L/2R)=L* (1+ δ)；
Wherein：
Transverse direction arc length during C=flexible display screen convex or concaves；
Horizontal chord length during L=flexible display screen convex or concaves；
Arcsin=arcsin functions；
δ=flexible display screen elongation；
R=radiuses；
Distance of the M=flexible display screens to stiff sheet；
The distance between stomidium and outer stomidium D in D=.
A kind of optional technical scheme, wherein, in addition to plastic deformation plate, the plastic deformation plate, the stiff sheet
It is adhesively fixed with plastic deformation plate, the evagination arc-shaped deformation or concave arc of the stiff sheet drive plastic deformation when deforming
Plate.
A kind of optional technical scheme, wherein, the plastic deformation plate includes overall flexibility plate or reticular lamina.
A kind of optional technical scheme, wherein, the plastic deformation plate includes the silica gel material with good ductility, rubber
Glue material.
A kind of optional technical scheme, wherein, the drive rod is connected by contiguous block with the stiff sheet；The company
Connect block and include long strip type rectangular slab, it is vertically arranged and is fixed in the middle part of the stiff sheet, the drive rod drive connection block
Deform stiff sheet.
A kind of optional technical scheme, wherein, stiff sheet includes stainless sheet steel, sheet plastic is made or composite
Thin plate.
The beneficial effect that is reached of the present invention is：A kind of spreading mechanism device shown for cambered surface, the device is can be with
For various sizes of flexible display screen, the switching between flexible display screen plane and curved surface is realized, the device can be used for
Mobile phone, on flat board or on television set, the screen of television set or computer can be become curved surface by plane, it is simple and reliable for structure.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the schematic perspective view of the display device of the present invention；
Fig. 2 is the sectional view of 2-2 shown in Fig. 1 of the present invention；
Fig. 3 is the enlarged diagram of 3-3 shown in Fig. 2 of the present invention；
Fig. 4 is the schematic diagram of stiff sheet shown in Fig. 3 of the present invention；
Fig. 5 is the partial schematic diagram of stiff sheet shown in Fig. 4 of the present invention；
Fig. 6 is inner sunken face schematic diagram shown in Fig. 2 of the present invention；
Fig. 7 is convex outward schematic diagram shown in Fig. 2 of the present invention；
Fig. 8 is the schematic perspective view of the display device of another embodiment of the present invention；
Fig. 9 is the sectional view of 9-9 shown in Fig. 8 of the present invention.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.In order to facilitate description, as shown in figure 1, the present invention retouches
State middle x-axis direction to be referred to as laterally, y-axis direction is referred to as longitudinal direction, and z-axis direction turns into axially, and the center of flexible display screen 10 is 0
Point position, it is every to be referred to as near-end close to 0 position along the z-axis direction, it is every, it is referred to as distal end away from 0 position along the z-axis direction.
Embodiment 1
As Figure 1-4, display equipment 1, including spreading mechanism device and flexible display screen 10.
The spreading mechanism device includes plastic deformation plate 20, spreading mechanism 40 and drive mechanism 30 and housing 50；Institute
Plastic deformation plate 20 is stated to fix with the back side of flexible display screen 10.The spreading mechanism 40 includes stiff sheet 41 and support frame 43,
The both ends of stiff sheet 41 are flexibly connected with support frame 43；The stiff sheet 41 is adhesively fixed with plastic deformation plate 20；
The housing 50 includes rear shell 51 and center 52, and the drive mechanism 30 is fixedly connected with the rear shell 51 of housing 50；It is described
Drive mechanism 30 includes drive rod 31, and the drive rod 31 in axial direction outwardly or inwardly moves, and drives the stiff sheet
41 evagination arc-shaped deformations or concave arc deformation realize that deformable display screen 10 is shown that being changed into convex outward shows or interior from plane
Concave curved surface is shown.
Also comprising the side board 21 for being arranged on the shown surrounding of flexible display screen 10, side board 21 and the plastic deformation plate 20
It is connected, the edge of the side board 21 and flexible display screen 10 is adhesively fixed, while is adhesively fixed with center 52.The side
Side plate 21 is made of semi-rigid material or flexible material, and the deformability of the side board 21 is much smaller than flexible display screen 10
Deformability, support restriction effect on the one hand is played to flexible display screen 10, on the other hand can also be in the mistake of flexible display screen 10
Plastic deformation plate 20 is carried out during degree deformation it is deformation-compensated, avoid the occurrence of deformation excessively cause flexible display screen 10 show it is abnormal very
To rupture.The plastic deformation plate 20 is made of flexible elastic material, including but not limited to the silica gel with good ductility
Material, elastomeric material, the bottom can also be by can be formed with the fiber cloth of transverse extension.The plastic deformation plate 20 includes whole
Body flexible board or reticular lamina.
The flexible display screen 10 includes flexible panel substrate 12 and several display units 11, and the flexible panel substrate 12 is adopted
It is made of deformable material, flexible plastic material or flexible fibrous material can be remembered.The flexible panel substrate 12 and the flexible change
Shape plate 20 is connected by being bonded, and bonding way includes bonding or netted bonding comprehensively.The flexible display screen 10 has and can stretched
The ability of long deformation, it can realize that convex or concave deforms in the case of by external force.
In deformation process, the evagination arc-shaped deformation of stiff sheet 41 or concave arc deformation, drive first described soft
Property deformed plate 20 deforms, and the plastic deformation plate 20 and then makes to be attached thereto the fixed flexible panel substrate 12 and deforms, so
On the one hand due to the buffering of plastic deformation plate 20, the stress of deformation is discharged, avoids causing the unbalance stress of flexible panel substrate 12
Rupture or deform inconsistent, cause display abnormal；Another deformation of aspect plastic deformation plate 20 can be to the stiff sheet
The camber for the local out-of-flatness that 41 evagination arc-shaped deformations or concave arc deformation occur carries out smoothly, making the flexible panel substrate 12
Deformation shows preferable cambered surface form.
As shown in figure 4, the drive rod 31 is connected by contiguous block 42 with the stiff sheet 41；The contiguous block 42 wraps
Rectangular slab containing long strip type or stripe board, it is vertically arranged along longitudinal direction and is fixed on the distal end centre position of stiff sheet 41, institute
Stating the drive connection block 42 of drive rod 31 deforms stiff sheet 41.As shown in figure 4, the contiguous block 42 is remote in stiff sheet 41
End middle part longitudinal direction is connected with stiff sheet 41, and the prior arts such as welding, riveting, bonding can be used to be attached, described
Contiguous block 42 includes rigid plastic material or metal material is made.The contiguous block 42 effectively can pass the drive rod 45
The strength passed is delivered to the centre position of stiff sheet 41 along longitudinal direction, plays a part of preferably scattering one's forces, ensure evagination or
The cambered surface of Inward deflection substantially meets circular shape, prevents stiff sheet 41 from gross distortion locally occur in stress point.
The drive mechanism 30 includes drive rod 31 and the (not shown) of motor 32, motor 32 pass through reduction gearing
34 (not shown) are engaged with the (not shown) of take-off lever 33, and the take-off lever 33 is connected with the screw thread of drive rod 31, motor
32 rotations drive take-off lever 33 to rotate, and drive rod 31 is moved proximally to vertically by proximate or distal end.Usual feelings
Under condition, it is assumed that undeformed lateral length L (the i.e. Flexible Displays of elongation δ and flexible display screen 10 of known flexible display screen 10
Shield chord length L horizontal during 10 convex or concave), then exceeded by controlling drive rod 31 to move axially distance and can avoid the occurrence of
The extension limit of flexible display screen 10, normally display is not damaged by protection flexible display screen 10.The movement of the drive rod 31 away from
Meet below equation from h：
C=L* (l+ δ)；
C=2Rarcsin (L/2R)；
Wherein：
Transverse direction arc length during C=10 convex or concaves of flexible display screen；
Horizontal chord length during L=10 convex or concaves of flexible display screen；
Arcsin=arcsin functions；
The elongation of δ=flexible display screen 10；
R=radiuses；
H=drive rods 31 move axially distance.
In the present embodiment, by pre-set programs drive rod 31 can be controlled to move axially distance motor 32, also may be used
Carried out with sending instruction to the control unit of motor 32 by modes such as bluetooth, wireless connections by mobile phone or other equipment
Control.
The stiff sheet 41 includes stainless sheet steel, sheet plastic is made or composite thin plate.The stiff sheet
When 41 materials are stainless sheet steel, its thickness is generally 0.1-0.2mmm, is made when using sheet plastic or composite thin plate
During stiff sheet 41, its thickness typically could be arranged to 0.2-0.3mm, both ensure the stiff sheet 41 to flexible display screen 10
There are enough supports, while also to meet the convex or concave arc that approximate circular arc is formed in deformation.
As illustrated in figures 4-5, the both ends of stiff sheet 41 include sliding block 410, and the sliding block 410 includes the spacing of racetrack
Hole 413, the spacing hole 413 includes running through the sliding block 410, it can also be provided that forming blind hole at 410 longitudinal both ends of sliding block.
Support frame as described above 43 includes limit shaft 44 and along 10 axially symmetric setting of flexible display screen；The limit shaft 44 and spacing hole 413
It is flexibly connected, the diameter of limit shaft 44 described in limit shaft 44 is more smaller than the bore dia at the both ends of spacing hole 413 or essentially identical.
In the present embodiment, limit shaft 44 can run through spacing hole 413, can also be arranged on longitudinal both ends and all set limit shaft 44.In order to
Ensure the distance between cambered surface uniform stressed, the limit shaft 44 of transverse ends and the lateral separation of flexible display screen 10 formed
Substantially it is suitable or slightly smaller.The spacing hole 413 includes interior stomidium 411 and outer stomidium 412.The drive rod 31 in axial direction to
Interior or move out, the radian of evagination arc-shaped deformation or the concave arc deformation of the stiff sheet 41 is limited hole 413 and limited,
And slided between interior stomidium 411 and outer stomidium 412.A kind of optional technical scheme, in order to play position-limiting action, spacing hole
The distance between 413 interior stomidium 411 and outer stomidium 412 D meet below equation：
C=2Rarcsin (L/2R)；
C=L* (1+ δ)；
Wherein：
Transverse direction arc length during C=10 convex or concaves of flexible display screen；
Horizontal chord length during L=10 convex or concaves of flexible display screen；
Arcsin=arcsin functions；
The elongation of δ=flexible display screen 10；
R=radiuses；
M=flexible display screens 10 arrive the distance of stiff sheet 41；
The distance between stomidium 411 and outer stomidium 412 D in D=.
Such as Fig. 4-7 and with reference to shown in Fig. 2, mainly depict a kind of flexible display screen 10 of multi-functional display equipment from
Flat state is changed into the process of inner concave arc surface or outer convex globoidal.
Flat state is deformed into the forming process of outer convex globoidal：First, as shown in Fig. 2 flexible display screen 10 is in plane
State, the drive mechanism 30 includes drive rod 31 and the (not shown) of motor 32, motor 32 pass through reduction gearing 34
(not shown) is engaged with the (not shown) of take-off lever 33, and the take-off lever 33 coordinates with the screw-driven of drive rod 31, driving electricity
The rotation of machine 32 drives take-off lever 33 to rotate, and makes drive rod 31 vertically by distally moving proximally to, so as to which drive rod 31 will push away
Power is transmitted to contiguous block 42, the contiguous block 42 by power disperse and drive with the stiff sheet 41, make among stiff sheet 41
Position is by distally proximally deforming, at the same time, because the both ends of stiff sheet 41 include sliding block 410, the spacing hole 413
Comprising interior stomidium 411 and outer stomidium 412, the both ends of the stiff sheet 41 limited by the limit shaft 44 of support frame as described above 43 to
Middle slip compensation deformation arc, the interior stomidium 411 is moved to outer stomidium 412, and is limited by outer stomidium 412, prevents it
Deformation is excessive, and the stiff sheet 41 forms the cambered surface of evagination, so as to drive plastic deformation plate 20 to deform, the plastic deformation plate
20 and then the flexible panel substrate 12 is deformed, ultimately form the flexible display screen 10 of outer convex.
Flat state is deformed into the forming process of inner concave arc surface：The drive mechanism 30 includes drive rod 31 and motor
32 (not shown), motor 32 are engaged by the (not shown) of reduction gearing 34 with the (not shown) of take-off lever 33, the take-off lever
33 coordinate with the screw-driven of drive rod 31, and the rotation of motor 32 drives take-off lever 33 to rotate (when direction is with outer convex globoidal
Conversely), and drive rod 31 is made to be moved vertically by proximate, so as to which pulling force is transmitted to contiguous block 42, institute by drive rod 31
State contiguous block 42 by pulling force disperse and drive with the stiff sheet 41, the centre position of stiff sheet 41 is become by proximate
Shape, at the same time, because the both ends of stiff sheet 41 include sliding block 410, the spacing hole 413 is comprising interior stomidium 411 and outside
Stomidium 412, the both ends of the stiff sheet 41 limited by the limit shaft 44 of support frame as described above 43 compensate to middle slip to be deformed
Arc, the interior stomidium 411 is moved to outer stomidium 412, and is limited by outer stomidium 412, and the stiff sheet 41 forms indent
Cambered surface, so as to drive plastic deformation plate 20 to deform, the plastic deformation plate 20 and then deform the flexible panel substrate 12, most
Flexible display screen 10 of the end form into concave arc.
It will be understood to those skilled in the art that flexible display screen 10 can also directly be deformed into imploded arcs by outer convex globoidal
Face, or outer convex globoidal is deformed into by inner concave arc surface.Evagination arc-shaped deformation or the concave arc deformation of the stiff sheet 41
The distance that radian is limited interior stomidium 411 and outer stomidium 412 in hole 413 is limited.Simultaneously by controlling drive rod 31 vertically
By distally proximally or the distance of proximate movement can to control flexible display screen 10 by plane deformation be convex or concave
The degree of cambered surface, but the displacement of drive rod 31 must not exceed the drive rod 31 set and move axially distance h.When by outer convex globoidal
Inner concave arc surface is directly deformed into, or outer convex globoidal is deformed into by inner concave arc surface, the displacement of drive rod 31 must not exceed setting
Drive rod 31 move axially twice of distance h.
Embodiment 2
As Figure 8-9, the present embodiment realizes the difference of plane mainly for flexible display screen 10 on the basis of embodiment 1
Direction screen stretching becomes big or reduced.
The spreading mechanism device includes plastic deformation plate 20, spreading mechanism 40 and drive mechanism 30 and housing 50；Institute
Plastic deformation plate 20 is stated to fix with the back side of flexible display screen 10.The spreading mechanism 40 includes stiff sheet 41 and support frame 43,
The both ends of stiff sheet 41 are flexibly connected with support frame 43；The stiff sheet 41 is adhesively fixed with plastic deformation plate 20；Institute
State housing 50 and include rear shell 51 and center 52, the drive mechanism 30 is fixedly connected with the rear shell 51 of housing 50；The driving machine
Structure 30 includes drive rod 31, and the drive rod 31 in axial direction outwardly or inwardly moves, and drives the evagination of stiff sheet 41
Arc-shaped deformation or concave arc deformation realize that deformable display screen 10 is shown that being changed into convex outward shows or inner sunken face from plane
Display.
The flexible display screen 10 includes flexible panel substrate 12 and several display units 11, and the flexible panel substrate 12 is adopted
It is made of deformable material, flexible plastic material or flexible fibrous material can be remembered.The flexible panel substrate 12 and the flexible change
Shape plate 20 is connected by being bonded, and bonding way includes bonding or netted bonding comprehensively.The flexible display screen 10 has and can stretched
The ability of long deformation, it can realize that convex or concave deforms in the case of by external force.
Also comprising being arranged on the side board 211 of the surrounding of flexible display screen 10, the shown distal end of side board 211 with it is described soft
Property the near-end of deformed plate 20 be connected, the side board 211 is Nian Jie with the edge of the flexible panel substrate 12 of flexible display screen 10 solid
Fixed, the outside of side board 211 sets the filling side 212 of fold-type, the filling proximal end face of side 212 be elastic linear 213 simultaneously
The support edge 214 of fold-type is connected, the elastic linear 213 all keeps plane when flexible display screen 10 stretches or recovers, and protects
Demonstrate,prove 2 positive aesthetic property of display equipment.While the support edge 214 supports elastic linear 213, also to the side
Plate 211 plays certain supporting role.Electric expansion bar 210 that what the outside of the side board 211 was connected also include, it is described electronic to stretch
The other end of contracting bar 210 is connected with center 52.The electric expansion bar 210 pulls side board 211 to deform by flexible.Simultaneously
Because the shown inner side of side board 211 on the outside of the plastic deformation plate 20 with being connected, when the electric expansion bar 210 is stretched, driving
Side board 211 drives plastic deformation plate 20 to deform together, and the side board 211 and plastic deformation plate 20 drive the yielding flexibility
Panel substrate 12 drives the flexible display screen 10 to become big or recover, and ensures the deformation process uniform force of flexible display screen 10.
The plastic deformation plate 20 is made of flexible elastic material, including but not limited to the silica gel with good ductility
Material, elastomeric material, the bottom can also be by can be formed with the fiber cloth of transverse extension.The plastic deformation plate 20 includes whole
Body flexible board or reticular lamina.
For the display equipment 2 of small size, such as when applied on mobile phone or flat board, the electric expansion bar
210 are symmetrical arranged along horizontal and vertical centre position, and each side of the surrounding of display equipment 2, which is set, is no less than 1 institute
State electric expansion bar 210.It is described for the display equipment 2 of large-size, such as when applied on TV or computer
Electric expansion bar 210 is symmetrical arranged along horizontal and vertical centre position, and each side setting of the surrounding of display equipment 2 is more
The individual electric expansion bar 210.
The display equipment 2 is provided with velocity sensor and controller built in also including, and when screen drops, is freely falling
Signal can be transmitted to controller by speed caused by body by velocity sensor, allow controller control electric expansion bar 210 with driving
The energization work of mechanism 30.The display equipment 2 also includes Bluetooth Receiver, and Bluetooth Receiver is electrically connected with controller, can
To connect bluetooth by mobile phone, the energization work of drive mechanism 30 is directly controlled by controller using mobile phone.
When applied on mobile phone or flat board, electric expansion bar can be passed through by the switch on mobile phone or flat board
The size of the 210 flexible panel substrates 12 of regulation, so as to allow flexible display screen 10 to become big or diminish, and can pass through electric expansion bar
210 allow the movement of either direction up and down of mobile phone or flat board from screen film, can also up-down stretch or left and right stretching or upper left,
Lower-left, upper right, bottom right stretching, the raised or recessed of screen can also be adjusted by drive mechanism 30, when mobile phone or flat board from
When being hurtled down by falling bodies, the velocity sensor on display base, speed can be sensed, then be allowed by controller electronic
Expansion link 210 retracts screen, and at the same time, drive mechanism 30 drives flexible display screen to be inwardly formed inner concave arc surface, so as to handle
Screen is recessed, does not have the phenomenon of breakage when screen is dropped.
Applied on TV or computer, Bluetooth Receiver and television set or electricity can be passed through by remote control or mobile phone
Controller in brain is connected, and directly controls electric expansion bar 210 and the energization work of drive mechanism 30 using controller by mobile phone
Make, make the screen of television set or computer recessed, can be according to the viewing situation of different crowd so as to become curved surface by plane
To adjust the degree of the convex outward of screen formation or inner sunken face, the screen of computer or television machine can also be allowed to become and diminished greatly,
Using the electric expansion bar 210 in the middle part of television set or computer surrounding, allow screen can unidirectional, two-way and four side stretchings, so as to increase
Screen, bring more preferable visual impression.
The beneficial effect that is reached of the present invention is：The device is a kind of multi-functional display equipment, and the screen can be used
In on mobile phone or flat board, the size of screen can be arbitrarily adjusted, and screen will not be destroyed when dropping, reduces people more
Change the expense of screen；It can be used on television set and computer, the screen of television set or computer can be become curved surface by plane, also
The size of television set or computer screen can be adjusted, a display screen more comfortably used is provided when to people's use.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (7)
1. a kind of spreading mechanism device shown for cambered surface, it is characterised in that including spreading mechanism (40) and drive mechanism
(30) and housing (50), the spreading mechanism (40) include stiff sheet (41) and support frame (43), the stiff sheet
(41) both ends are flexibly connected with support frame (43)；
The drive mechanism (30) is fixedly connected with housing (50)；The drive mechanism (30) includes drive rod (31)；
Stiff sheet (41) both ends include sliding block (410), and the sliding block (410) includes the spacing hole (413) of racetrack, institute
Stating support frame (43) includes limit shaft (44)；The limit shaft (44) is flexibly connected with spacing hole (413), the drive rod (31)
In axial direction outwardly or inwardly move, drive the stiff sheet (41) evagination arc-shaped deformation or concave arc to deform；It is described
The radian of evagination arc-shaped deformation or the concave arc deformation of stiff sheet (41) is limited hole (413) restriction.
A kind of 2. spreading mechanism device shown for cambered surface according to claim 1, it is characterised in that the spacing hole
(413) the interior stomidium (411) and outer stomidium (412) included, the distance between the interior stomidium (411) and outer stomidium (412) D expire
Sufficient below equation：
And
C=2R arcsin (L/2R)=L* (1+ δ)；
Wherein：
Transverse direction arc length during C=flexible display screens (10) convex or concave；
Horizontal chord length during L=flexible display screens (10) convex or concave；
Arcsin=arcsin functions；
δ=flexible display screen (10) elongation；
R=radiuses；
M=flexible display screens (10) arrive the distance of stiff sheet (41)；
The distance between stomidium (411) and outer stomidium (412) D in D=.
3. a kind of spreading mechanism device shown for cambered surface according to claim 1, it is characterised in that also include flexibility
Deformed plate (20), the plastic deformation plate (20), the stiff sheet (41) are adhesively fixed with plastic deformation plate (20), described firm
Property thin plate (41) evagination arc-shaped deformation or concave arc deform when drive plastic deformation plate (20).
A kind of 4. spreading mechanism device shown for cambered surface according to claim 3, it is characterised in that the flexible change
Shape plate (20) includes overall flexibility plate or reticular lamina.
A kind of 5. spreading mechanism device shown for cambered surface according to claim 3, it is characterised in that the flexible change
Shape plate (20) includes the silica gel material with good ductility, elastomeric material.
A kind of 6. spreading mechanism device shown for cambered surface according to claim 1, it is characterised in that the drive rod
(45) it is connected by contiguous block (42) with the stiff sheet (41)；The contiguous block (42) includes long strip type rectangular slab, and it is perpendicular
Straight to set and be fixed in the middle part of the stiff sheet (41), drive rod (45) the drive connection block (42) makes stiff sheet (41)
Deformation.
A kind of 7. spreading mechanism device shown for cambered surface according to claim 1, it is characterised in that stiff sheet
(41) stainless sheet steel is included, sheet plastic is made or composite thin plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086463.4A CN107680488A (en) | 2017-11-07 | 2017-11-07 | A kind of spreading mechanism device shown for cambered surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086463.4A CN107680488A (en) | 2017-11-07 | 2017-11-07 | A kind of spreading mechanism device shown for cambered surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107680488A true CN107680488A (en) | 2018-02-09 |
Family
ID=61145650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711086463.4A Withdrawn CN107680488A (en) | 2017-11-07 | 2017-11-07 | A kind of spreading mechanism device shown for cambered surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107680488A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021088972A1 (en) * | 2019-11-07 | 2021-05-14 | 维沃移动通信有限公司 | Electronic device and control method therefor |
-
2017
- 2017-11-07 CN CN201711086463.4A patent/CN107680488A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021088972A1 (en) * | 2019-11-07 | 2021-05-14 | 维沃移动通信有限公司 | Electronic device and control method therefor |
| JP2022553992A (en) * | 2019-11-07 | 2022-12-27 | 維沃移動通信有限公司 | Electronic device and its control method |
| JP7339441B2 (en) | 2019-11-07 | 2023-09-05 | 維沃移動通信有限公司 | Electronic device and its control method |
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Application publication date: 20180209 |
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| WW01 | Invention patent application withdrawn after publication |