CN109872630A - Folding device and electronic equipment - Google Patents
Folding device and electronic equipment Download PDFInfo
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- CN109872630A CN109872630A CN201910159758.2A CN201910159758A CN109872630A CN 109872630 A CN109872630 A CN 109872630A CN 201910159758 A CN201910159758 A CN 201910159758A CN 109872630 A CN109872630 A CN 109872630A
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- flexible screen
- folding device
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- synchronization
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Abstract
Present disclose provides a kind of folding devices.The folding device includes at least one structure with double rotating shafts and flexible screen bracket.Wherein, the structure with double rotating shafts includes two central spindles and two rotation connection structures.Described two central spindle parallel arrangements, and described two central spindles do not contact.Described two connection structures are respectively connected to one of described two central spindles, wherein each connection structure can be rotated around the coupled central spindle.The flexible screen bracket is mounted on above described two connection structures, covers at least part of described two central spindles.The disclosure additionally provides a kind of electronic equipment.
Description
Technical field
This disclosure relates to a kind of folding device and a kind of electronic equipment.
Background technique
For the electronic equipment shielded comprehensively, ultra-narrow frame and folded form are an important developing direction.But it is existing
Have in technology, can be realized screen towards interior folding shaft technology, often due to shaft need be higher than screen and can not accomplish to surpass
Narrow frame, so that user experience is poor.Meanwhile existing ultra-narrow frame electronic equipment generally only has the folding shape of screen outwardly
Formula is unfavorable for protecting screen.Limitation existing for existing pivot design, so that the electronic equipment shielded is difficult to realize simultaneously comprehensively in
It is not exposed to roll over form, ultra-narrow frame and shaft.
Summary of the invention
An aspect for the disclosure provides a kind of folding device, including at least one structure with double rotating shafts and flexible screen branch
Frame.Wherein, the structure with double rotating shafts includes two central spindles and two connection structures.Described two central spindle parallel arrangements, and it is described
Two central spindles do not contact.Described two connection structures are respectively connected to one of described two central spindles, wherein Mei Gesuo
Connection structure is stated to rotate around the coupled central spindle.The flexible screen bracket is mounted in described two connection structures
Side, covers at least part of described two central spindles.
Optionally, each connection structure includes the first connection structure and the second connection structure.The first connection knot
Structure is rotatably connected at the central spindle, and second connection structure is slidably connected with first connection structure, described
The glide direction being slidably connected is the axis direction perpendicular to the central spindle.Wherein, the flexible screen bracket is mounted on
Above described two connection structures, including the flexible screen bracket is fixedly connected on above second connection structure.
Optionally, the structure with double rotating shafts further includes support frame and cam pin, and second connection structure further includes end face
Interconnecting piece.Wherein, support frame as described above is used to support described two central spindles, and the end face interconnecting piece, which extends in support frame as described above, to hang down
It directly include track in the first end of the axis of the central spindle, the end face interconnecting piece.One end of the cam pin is fixed on
The other end of the first end of support frame as described above, the cam pin passes through the track.
Optionally, the shape of the track according to the flexible screen bracket from tiling to during folding, described the
Two connection structures are determined relative to the motion profile of the cam pin.
Optionally, first connection structure includes sliding rail, the axis for extending perpendicularly to the central spindle of the sliding rail
Line direction.Second connection structure includes sliding block, and the sliding block is slideably snapped in the sliding rail.
Optionally, the sliding rail is shaped to oval counterbore shape, the shape of the shape of the sliding block and the sliding rail
Shape matches.
Optionally, the folding device further includes synchronization structure, and the synchronization structure and described two connection structures are equal
Connection can be realized the mirror image synchronization movement of described two connection structures.
Optionally, the synchronization structure includes two the first synchronization structures and second synchronization structure.Wherein, Mei Gesuo
The first connecting pin for stating the first synchronization structure is articulated with one of described two connection structures, and second connection end is articulated with institute
State the second synchronization structure.Second synchronization structure is rigid structure, and the both ends of second synchronization structure are respectively slidably
It covers in described two central spindles.
Another aspect of the disclosure provides a kind of electronic equipment, including main body, flexible screen and as described above may be used
Folding device.Wherein, the main body includes two ontologies, and described two ontologies are connect with described two connection structures respectively, institute
Flexible screen is stated to be installed on the flexible screen bracket.
Optionally, the distance between the axis of described two central spindles, equal to the axis to the vertical of the flexible screen
Twice of distance.
Detailed description of the invention
In order to which the disclosure and its advantage is more fully understood, referring now to being described below in conjunction with attached drawing, in which:
Figure 1A and Figure 1B diagrammatically illustrates the application scenarios of folding device according to an embodiment of the present disclosure；
Fig. 2 diagrammatically illustrates the part-structure figure of electronic equipment according to an embodiment of the present disclosure；
Fig. 3 A and Fig. 3 B diagrammatically illustrate the part-structure figure of folding device according to an embodiment of the present disclosure；
Fig. 4 diagrammatically illustrates the structure chart of structure with double rotating shafts according to an embodiment of the present disclosure；
Fig. 5 diagrammatically illustrates flexible screen bracket under the different conditions of folding device according to an embodiment of the present disclosure
With the location diagram of central spindle；
Fig. 6 diagrammatically illustrates the part-structure figure of structure with double rotating shafts according to an embodiment of the present disclosure；
Fig. 7 diagrammatically illustrates the structure chart of synchronization structure according to an embodiment of the present disclosure；
Fig. 8 A~8E diagrammatically illustrates that cam pin exists under different conditions according to the folding device of the embodiment of the present disclosure
Position view in track；And
Fig. 9 A and Fig. 9 B diagrammatically illustrate the pattern curve geometrical relationship signal of track according to an embodiment of the present disclosure
Figure.
Specific embodiment
Hereinafter, will be described with reference to the accompanying drawings embodiment of the disclosure.However, it should be understood that these descriptions are only exemplary
, and it is not intended to limit the scope of the present disclosure.In the following detailed description, to elaborate many specific thin convenient for explaining
Section is to provide the comprehensive understanding to the embodiment of the present disclosure.It may be evident, however, that one or more embodiments are not having these specific thin
It can also be carried out in the case where section.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid
Unnecessarily obscure the concept of the disclosure.
Term as used herein is not intended to limit the disclosure just for the sake of description specific embodiment.It uses herein
The terms "include", "comprise" etc. show the presence of the feature, step, operation and/or component, but it is not excluded that in the presence of
Or add other one or more features, step, operation or component.
There are all terms (including technical and scientific term) as used herein those skilled in the art to be generally understood
Meaning, unless otherwise defined.It should be noted that term used herein should be interpreted that with consistent with the context of this specification
Meaning, without that should be explained with idealization or excessively mechanical mode.
It, in general should be according to this using statement as " at least one in A, B and C etc. " is similar to
Field technical staff is generally understood the meaning of the statement to make an explanation (for example, " system at least one in A, B and C "
Should include but is not limited to individually with A, individually with B, individually with C, with A and B, with A and C, have B and C, and/or
System etc. with A, B, C).Using statement as " at least one in A, B or C etc. " is similar to, generally come
Saying be generally understood the meaning of the statement according to those skilled in the art to make an explanation (for example, " having in A, B or C at least
One system " should include but is not limited to individually with A, individually with B, individually with C, with A and B, have A and C, have
B and C, and/or the system with A, B, C etc.).
Embodiment of the disclosure provides a kind of folding device, including at least one structure with double rotating shafts and flexible screen branch
Frame.Wherein, which includes two central spindles and two connection structures.Two central spindle parallel arrangements, and two axis
Core does not contact.Two connection structures, are respectively connected to one of two central spindles, wherein each connection structure around with
The rotation of its central spindle being connected.The flexible screen bracket is mounted on above two connection structures, covers two central spindles extremely
Few a part.Embodiment of the disclosure additionally provides corresponding electronic equipment.
According to the folding device of the embodiment of the present disclosure, which is installed on above two connection structures, and
Cover at least part of two central spindles.Since two central spindles are parallel and do not contact, after folding device folding, this two
Gap between central spindle is that the moving down for part that the flexible screen bracket is bent has reserved space, so that the flexible screen
Screen bracket can be realized infolding form.
Figure 1A and Figure 1B diagrammatically illustrates the application scenarios of folding device 100 according to an embodiment of the present disclosure.
As shown in FIG. 1A and 1B, folding device 100 can be applied to electronic equipment 1 (for example, laptop).
In accordance with an embodiment of the present disclosure, electronic equipment 1 includes main body, flexible screen 200 and folding device 100.Its
In, which includes the first noumenon 300 and the second ontology 400, and the first noumenon 300 and the second ontology 400 are connected to can
The two sides of folding device 100.The folding device 100 includes flexible screen bracket (in figure because hiding relation is not shown), soft
Property screen 200 is mounted on the flexible screen bracket.The flexible screen 200 can cover the first noumenon 300 at least simultaneously
At least part of a part and second ontology 400.In some embodiments, as shown in Figure 1A, electronic equipment 1 can be with
The edge for being flexible screen is the laptop of ultra-narrow frame.
Folding device 100 can be such that electronic equipment 1 folds.Specifically, for example, with reference to shown in Figure 1B, electronics is set
Along folding device 100 doubling can occur for standby 1 flexible screen 200, while in the first noumenon 300 and the second ontology 400
At least one is correspondingly rotated around the folding device 100.
It should be understood that the application scenarios in Fig. 1 are only a kind of examples, the electronic equipment 1 other than being laptop,
It can also be other electronic equipments, for example, various mobile phones, tablet computer, electronic dictionary, game machine, learning machine, various medical treatment are set
It is standby etc..
Fig. 2 diagrammatically illustrates the part-structure figure of electronic equipment 1 according to an embodiment of the present disclosure.Wherein, Fig. 2 is electricity
Sub- equipment 1 gets rid of flexible screen 200 and installs the schematic diagram after the flexible screen bracket of the flexible screen 200.
As shown in Fig. 2, in accordance with an embodiment of the present disclosure, folding device 100 includes at least one 110 He of structure with double rotating shafts
Flexible screen bracket (not shown).In some embodiments, which can also include synchronization structure 130,
The synchronization structure 130 is correspondingly arranged with structure with double rotating shafts 110.
, can according to the actual situation when designing electronic equipment 1, such as volume, weight and the purposes of electronic equipment 1 are come
Design the specific structure of the folding device 100.For example, the folding device 100 can if the small volume of the electronic equipment 1
To include two structure with double rotating shafts 110.For another example the folding device 100 may include if 1 volume of electronic equipment is larger
More structure with double rotating shafts 110.Specifically, the example folding device 100 includes three double shaft knots with continued reference to Fig. 2
Structure 110, and corresponding each structure with double rotating shafts 110 is provided with synchronization structure 130.
Fig. 3 A and Fig. 3 B diagrammatically illustrate the partial enlargement structure of folding device 100 according to an embodiment of the present disclosure
Figure.Wherein, the structure chart of the structure with double rotating shafts 110 in folding device 100 has been shown in particular in Fig. 3 A；Fig. 3 B is Fig. 3 A along A-A '
The enlarged cross sectional views in direction, and unshowned flexible screen bracket 120 in Fig. 3 A is further comprised in Fig. 3 B.
As shown in Figure 3A and Figure 3B, in accordance with an embodiment of the present disclosure, which includes at least one double shaft
Structure 110 and flexible screen bracket 120.It should be noted that in view of the flexible screen bracket 120 can be to the structure with double rotating shafts
110 at least part forms covering, for clarity of illustration, the flexible screen bracket 120 is not shown in figure 3 a.
With reference to Fig. 3 A and Fig. 3 B, structure with double rotating shafts 110 includes two central spindles 111 and 111 ' and two connection structures 112
With 112 '.Two central spindles 111 and 111 ' are arranged in parallel, and two central spindles 111 and 111 ' do not contact.Wherein, connection structure
112 are connected to central spindle 111, and connection structure 112 ' is connected to central spindle 111 '.Each connection structure 112 (or 112 ') is around coupled
Central spindle 111 (or 111 ') rotation connect.
As shown in Figure 3B, flexible screen bracket 120 is mounted on two connection structures, 112 and 112 ' top, cover this two
At least part of a central spindle 111 and 111 '.
In accordance with an embodiment of the present disclosure, the flexible screen bracket 120 is for installing flexible screen 200.The flexible screen branch
Frame 120 is mounted on two connection structures, 112 and 112 ' top, covers at least part of two central spindles 111 and 111 ', i.e., should
Structure with double rotating shafts 110 is located at 120 lower section (can refer to Fig. 3 B) of flexible screen bracket.When the connection structure 112 is around the central spindle 111
When rotation or when the connection structure 112 ' is rotated around the central spindle 111 ', the flexible screen bracket 120 can be made to roll over
It is folded, so that the flexible screen 200 being installed on the flexible screen bracket 120 folds.
With continued reference to Fig. 3 B, the region which bends is fold domain 121.Correspondingly, this is soft
Property screen mount 120 include the fold domain 121,121 left side of the fold domain first area 122 and the fold domain
The second area 123 on 121 right sides.Since two central spindles 111 and 111 ' of the folding device 100 are parallel and do not contact, into
After row folds, the gap between two central spindles 111 and 111 ' is the downward of the fold domain 121 of the flexible screen bracket 120
Electronic equipment 1 may be implemented so that the doubling of the flexible screen bracket 120 may be implemented in mobile slot milling by this method
The infolding of flexible screen 200.
In accordance with an embodiment of the present disclosure, which can be used for connecting the first noumenon 300, the connection structure
112 ' can be used for connecting the second ontology 400.Since the connection structure 112 connects the central spindle 111, and can be around the central spindle 111
Rotation and the connection structure 112 ' connect the central spindle 111 ', and can rotate around the central spindle 111 '.Therefore, electronic equipment 1
The first noumenon 300 can be rotated around central spindle 111 and 111 ' respectively with the second ontology 400.Specifically, for electronic equipment
1, when the angle between the first noumenon 300 and second ontology 400 is 180 °, which is in tiled state (such as
Shown in Figure 1A), to realize plate mode.It, should when the angle between the first noumenon 300 and second ontology 400 is 0 °
Electronic equipment 1 is in closed state (as shown in Figure 1B), carries convenient for user, and be conducive in carrying process to the flexible screen
200 protection.
Fig. 4 diagrammatically illustrates the structure chart of structure with double rotating shafts 110 according to an embodiment of the present disclosure.
As shown in figure 4, the connection structure 112 includes the first connection structure 1121a and the second connection structure 1122b.This
One connection structure 1121a is rotatably connected at the central spindle 111, the second connection structure 1122b and first connection structure
1121a is slidably connected, which is the direction perpendicular to the axis L of the central spindle 111.
The connection structure 112 ' includes the first connection structure 1121a ' and the second connection structure 1122b '.The first connection knot
Structure 1121a ' is rotatably connected at the central spindle 111 ', and the second connection structure 1122b ' and first connection structure 1121a ' can
It is slidably connected, which is the direction perpendicular to the axis L ' of the central spindle 111 '.
The flexible screen bracket 120 is mounted on two connection structures, the 112 and 112 ' top, including the flexible screen bracket
120 are fixedly connected on above the second connection structure 1122b and 1122b '.
More specifically, with continued reference to Fig. 4, in accordance with an embodiment of the present disclosure, first connection structure 1121a includes sliding rail
The direction of the axis L for extending perpendicularly to the central spindle 111 of 1123a, sliding rail 1123a.The second connection structure 1122b packet
Sliding block 1124b is included, sliding block 1124b is slideably snapped in sliding rail 1123a.So as to realize, the second connection knot
Structure 1122b is slidably connected with first connection structure 1121a, and the glide direction being slidably connected be perpendicular to
The direction of the axis L of the central spindle 111.
Correspondingly, first connection structure 1121a ' includes sliding rail 1123a ', and the extending direction of sliding rail 1123a ' is vertical
In the direction axis L ' of the central spindle 111 '.Second connection structure 1122b ' includes sliding block 1124b ', and sliding block 1124b ' can be slided
It is snapped in sliding rail 1123a ' dynamicly.So as to realize, the second connection structure 1122b ' and first connection structure
1121a ' is slidably connected, and the glide direction being slidably connected is the side perpendicular to the axis L ' of the central spindle 111 '
To
In accordance with an embodiment of the present disclosure, the shape of sliding rail 1123a and 1123a ' can be set to oval counterbore shape, should
The shape of sliding block 1124b and 1124b ' and the shape of sliding rail 1123a and 1123a ' match.
It in accordance with an embodiment of the present disclosure, on the one hand can be with when the first connection structure 1121a is rotated around the central spindle 111
The second connection structure 1122b is driven to rotate synchronously, on the other hand by sliding of the sliding block 1124b in sliding rail 1123a, so that
Second connection structure 1122b can be slided relative to first connection structure 1121a.Similarly, when first connection
Structure 1121a ' on the one hand can drive the second connection structure 1122b ' to rotate synchronously, separately around when rotating with the central spindle 111 '
On the one hand by sliding of the sliding block 1124b ' in sliding rail 1123a ', so that second connection structure 1122b ' can be relative to this
First connection structure 1121a ' is slided.
When folding device 100 folds, connection structure 112 and connection structure 112 ' are respectively around 111 He of central spindle
111 ' rotations, wherein the second connection structure 1122b and 1122b ' can be slided along the direction perpendicular to axis L and L '.It can refer to
Fig. 3 B, since the flexible screen bracket 120 is fixedly connected on above the second connection structure 1122b and 1122b ', the flexible screen
The first area 122 of screen bracket 120 and second area 123 are respectively with 1122b and 1122b ' along perpendicular to axis L and L '
Direction sliding, and then the fold domain 121 when folding device 100 folds can be reduced and moved down along 124 direction of medium line
Distance.Wherein, the medium line 124 is perpendicular to plane where the axis L and L ' of two central spindles 111 and 111 '.
When the folding device 100 is applied to electronic equipment 1, in conjunction with Figure 1A~Fig. 4, with the second connection structure
1122b and 1122b ' is slided along the direction perpendicular to axis L and L ', can make the first area 122 of flexible screen bracket 120
And second area 123 along perpendicular to axis L and L ' direction sliding, and then drive flexible screen 200 in the first noumenon 300
It is slided with the corresponding two parts of the second ontology 400 along the direction perpendicular to axis L and L ', so that the first noumenon
300 side and second ontology 400 close to the fold domain 121 keeps base at a distance from the side of the fold domain 121
This is constant.In this way, it is possible to avoid to a certain extent the fold domain 121 and on cover flexible screen 200 and be folded over
The problem of being squeezed or stretch in journey and causing the irreversible damages such as abrasion, fracture, and then flexible screen 200 is avoided because squeezing
Pressure stretches caused the problems such as failing.
Fig. 5 diagrammatically illustrates flexible screen under the different conditions of folding device 100 according to an embodiment of the present disclosure
The location diagram of bracket 120 and central spindle 111 and 111 '.Wherein, by the flexible screen bracket 120 under tiled state in Fig. 5
It is illustrated as solid line, the flexible screen bracket 120 under other positions and state is illustrated as dotted line.
As shown in figure 5, using the cross-section center of central spindle 111 as center of circle O1, and with center of circle O1 to the flexible screen bracket
120 distance is that radius R work is justified, available circle C1 as shown in Figure 5.Similarly, with the cross-section center of the central spindle 111 '
Justify for center of circle O1 ' and with radius R work, available circle C2 as shown in Figure 5.
As seen from Figure 5, the parallel discontiguous arrangement of two central spindles 111 and 111 ' is being folded over for fold domain 121
Moving up and down in journey remains space, so that process is folded inward around the fold domain 121 in the flexible screen bracket 120
In, which not will receive the extruding of two central spindles 111 and 111 '.
When the folding device 100 is in folding process, plane where the first area 122 (or second area 123)
Always plane where and the first area 122 (either second area 123) circumscribed with circle C1 (perhaps circle C2) and circle C1 (or
Circle C2) point of contact with the variation of the angle between the 122 place plane of first area and the 123 place plane of second area and
Change.Specifically, in conjunction with Fig. 3 B, Fig. 4 and Fig. 5 it is found that sliding block 1124b and 1124b ' be buckled in respectively sliding rail 1123a and
In 1123a ', when the second connection structure 1122b and 1122b ' is slided along the direction perpendicular to axis L and L ', the can be made
One region 122 and second area 123 are along the direction sliding perpendicular to axis L and L ', and the central spindle 111 and 111 ' arrives the flexibility
The distance of screen mount 120 remains unchanged, and then improves the stability of folding device 100.
Fig. 6 diagrammatically illustrates the part-structure figure of structure with double rotating shafts 110 according to an embodiment of the present disclosure.
As shown in Figure 4 and Figure 6, which further includes support frame 113 and cam pin 114 and 114 ', this second
Connection structure 1122b and 1122b ' further include end face interconnecting piece 116 and 116 '.
Wherein, which is used to support two central spindles 111 and 111 '.End face interconnecting piece 116 extends to the support frame
It include track 115 in end face interconnecting piece 116 perpendicular to the first end of the axis L of central spindle 111 in 113.End face interconnecting piece 116 '
It extends in support frame 113 perpendicular to the first end of the axis L ' of the central spindle 111 '.It include track in end face interconnecting piece 116 '
115’。
The first end of the support frame 113 is fixed in one end of the cam pin 114 and 114 '.The other end of cam pin 114
Across track 115.The other end of cam pin 114 ' passes through the track 115 '.
In accordance with an embodiment of the present disclosure, the shape of track 115 and 115 ' is according to flexible screen bracket 120 from tiling to folding
During, the second connection structure 1122b and 1122b ' is determined relative to the motion profile of the cam pin 114 and 114 '.
In accordance with an embodiment of the present disclosure, when folding device 100 folds, cam pin 114 and 114 ' is in track 115
With the sliding in 115 ', can limit the second connection structure 1122b and 1122b ' relative to the first connection structure 1121a and
The sliding distance of 1121a '.
Refering to what is shown in Fig. 6, in accordance with an embodiment of the present disclosure, which includes central spindle shell 1131, the central spindle shell
1131 cover at least part of two central spindles 111 and 111 '.When the electronic equipment 1 in the closure state, the central spindle
Shell 1131 is exposed, which covers (as shown in Figure 1B) by the central spindle shell 1131.When the electronic equipment
1 be in tiled state when, the central spindle shell 1131 by the first noumenon 300 and second ontology 400 masking (as shown in Figure 1A).
Therefore, in 1 rotation process of electronic equipment, which can be hidden in the shell of the electronic equipment 1, and one
Aspect improves the aesthetic measure of the electronic equipment 1, and external environment on the other hand can be avoided to turn this pair to a certain extent
The damage of axle construction 110.
With continued reference to Fig. 3 A, which further includes synchronization structure 130 (part that dotted line outlines in Fig. 3 A),
Two connection structures 112 and 112 ' of the synchronization structure 130 and this are all connected with, and can be realized two connection structures 112 and 112 '
Mirror image synchronization movement.
Fig. 7 diagrammatically illustrates the structure chart of synchronization structure 130 according to an embodiment of the present disclosure.
As shown in fig. 7, the synchronization structure 130 includes two the first synchronization structures 131 and 131 ' and a second synchronous knot
Structure 132.Wherein, as in Fig. 7 dotted line outline part, second synchronization structure 132 include Liang Ge first part 1321 and 1321 ',
An and second part 1322.
First connecting pin of first synchronization structure 131 is articulated with the second connection structure 1122b, first synchronization structure
131 ' the first connecting pin is articulated with second connection structure 1122b '.The second of this two the first synchronization structures 131 and 131 '
Connecting pin is articulated with second synchronization structure 132.That is, the second connection end of the first synchronization structure 131 is articulated with first part
The second connection end of 1321 one end, the first synchronization structure 131 ' is articulated with one end of first part 1321 '.
Second synchronization structure 132 is rigid structure, and the both ends of second synchronization structure 132 are respectively slidably covered at this
In two central spindles 111 and 111 '.
Specifically, as shown in fig. 7, one end of the first part 1321 slideably covers in the central spindle 111.This first
1321 ' one end is divided slideably to cover in central spindle 111 '.Also, the first part 1321 ' and 1321 mirror image of first part
It is symmetrical arranged.The both ends of the second part 1322 slideably cover in two central spindles 111 and 111 ' simultaneously.This two first
Part 1321 and 1321 ' and a second part 1322 can be rigid structure.Two in the second synchronization structure 132
Any one part in first part 1321 and 1321 ' and a second part 1322 will drive other portions along when moving
The movement divided.For example, the second connection structure 1122b is along the side perpendicular to axis L during folding device 100 folds
It rotates, and then can cause around with the second connection structure 1122b hinged hinge to when sliding, will drive the first synchronization structure 131
One end that first synchronization structure 131 is connect with first part 1321 is moved along the direction of the axis L of axis 111, and then causes
Synchronizing moving of two synchronization structures 132 along the direction of axis L.When the second synchronization structure 132 is along the direction of axis L when moving,
It will drive the first synchronization structure 131 ' again and generate and moved synchronously with the first synchronization structure 131 mirror image, to drive second to connect
Structure 1122b ' is slided along the direction perpendicular to axis L ', and then realizes the mirror image synchronization fortune of central spindle 111 and 111 ' two sides of central spindle
It is dynamic.
In accordance with an embodiment of the present disclosure, which can be realized the mirror image of two connection structures 112 and 112 '
It moves synchronously, so that the first noumenon 300 being separately connected with two connection structures 112 and 112 ' and second ontology
400 during rotation, can make mirror image synchronization movement about the medium line 124.
For example, will drive and the when the first noumenon 300 rotated one relative to its tiled state and is greater than 0 angle
The rotation for the connection structure 112 that one ontology 300 is connected.Specifically, the second connection structure 1122b is rotated on one side, on one side relatively
It is slided in the first connection structure 1121a along the direction far from the central spindle 111, to drive the synchronization of the first synchronization structure 131
Sliding.The sliding of first synchronization structure 131 will drive the synchronous slide of the second synchronization structure 132.In turn, the second synchronization structure
132 synchronous slide drives the synchronous slide of the first synchronization structure 131 ', so as to cause second one side connection structure 1122b ' phase
The first connection structure 1121a ' is slided along the direction far from the central spindle 111 ', is rotated on one side.By this method, energy is realized
Enough realize the mirror image synchronization movement of two connection structures 112 and 112 '.
It should be understood that above description be only the one of which in the specific embodiment of the synchronization structure 130 rather than only
One.
Fig. 8 A~8E diagrammatically illustrates according to the folding device 100 of the embodiment of the present disclosure cam pin under different conditions
114 and 114 ' in track 115 and 115 ' position view.
As shown in Figure 8 A, when electronic equipment 1 in the closure state, i.e., between the first noumenon 300 and the second ontology 400 weight
When conjunction, cam pin 114 is located at an end of track 115.With the angle between the first noumenon 300 and the second ontology 400
It is gradually increased, i.e., during the electronic equipment 1 is gradually opened to tiled state, the cam pin 114 is sliding in the track 115
It is dynamic, until another end of the track 115, as shown in Fig. 8 B~Fig. 8 E.Position of the cam pin 114 ' in track 115 ' with
Position of the cam pin 114 in the track 115 is repeated no more about 124 mirror symmetry of medium line.
In accordance with an embodiment of the present disclosure, during according to the flexible screen bracket 120 from tiling to folding, second company
Motion profile of the binding structure 1122b and 1122b ' relative to the cam pin 114 and 114 ', to determine the track 115 and 115 '
Shape.
The second connection structure 1122b and 1122b ' is bent relative to the track of the opposite sliding of the cam pin 114 and 114 '
Line can be determined with reference to Fig. 9 A and Fig. 9 B and associated description.
The pattern curve geometrical relationship that Fig. 9 A and Fig. 9 B diagrammatically illustrate track 115 according to an embodiment of the present disclosure is shown
It is intended to.
It should be understood that the disclosure only describes the pattern curve of the track 115 since 115 and 115 ' mirror surface of track is symmetrical
Calculating process, the pattern curve of track 115 ' can obtain according to similar method.
For the cross section shown in Fig. 9 A, the cross section is perpendicular to two central spindles 111 and 111 ', the flexible screen branch
The fold domain 121 of frame 120 is reduced to folding point O3 on the cross section.It is soft with this that folding point O3 is located at the medium line 124
The point of intersection of property screen mount 120.
It is possible, firstly, to assume the center of circle O1 of 111 cross section of central spindle to the vertical range of the flexible screen bracket 120 be h1
(for example, h1=3mm).Center of circle O1 to the medium line 124 horizontal distance be p1 (for example, p1=3mm), center of circle O1 arrive this
The center of circle O2 distance of cam pin 114 is m, and the value of the m obtains in calculating process.
As shown in Figure 9 A, when the electronic equipment 1 is in tiled state, i.e., plane locating for the first area 122 and this
When relative angle between plane locating for two regions 123 is 180 °, the center of circle O2 of the cam pin 114 to the flexible screen bracket
120 distance is h2 (for example, h2=1.2mm), and the horizontal distance of center of circle O2 to the medium line 124 is p2 (for example, p2=
4.2mm).Then the center of circle O2 distance of center of circle O1 to the cam pin 114 is m, can be obtained by following calculating.
As shown in Figure 9 B, it is assumed that the first area 122 has turned over an angle beta relative to tiled state, passes through the bias
The center of circle O2 of pin 114 makees the first vertical line of the flexible screen bracket 120, the friendship of first vertical line and the flexible screen bracket 120
Point hangs down point A1 for first, it assumes that first distance for hanging down point A1 to folding point O3 is X, the first vertical point A1 to the cam pin
The distance of 114 center of circle O2 is Y.
For ease of calculation, make the second vertical line of the flexible screen bracket 120 by the center of circle O1 of the central spindle 111, this
The intersection point of two vertical lines and the flexible screen bracket 120 is second to hang down point A2, wherein this second hang down the vertical point A1 of point A2 to first away from
From for Xa, which is Xb.In addition, cross the cam pin 114 center of circle O2 make this second
The third vertical line of vertical line, then the intersection point of the third vertical line and second vertical line is A3.
In this way, the line of center of circle O1 and folding point O3 of the central spindle 111 and the angle of the medium line 124 are a.The bias
The line of center of circle O1 and the angle of the third vertical line of the center of circle O2 and central spindle 111 of pin 114 is b.
Positional relationship (X, Y) of the cam pin 114 relative to the first area 122, can pass through geometric formula below
It obtains.
A=(90 ° of+β)/2
B=((180/ π) × arctan ((h1-h2)/(p2-p1)))-β
=((180/ π) × arctan ((3-1.2)/(4.2-3)))-β
=((180/ π) × arctan 1.5)-β
Xa=m × cos b=2.1633 × (((180/ π) × arctan 1.5)-β)
Xb=3/tan a=3/tan ((90 ° of+β)/2)
X=Xa+Xb
=3/tan ((90 ° of+β)/2)+2.1633 × ((180/ π) × arctan 1.5- β)
Y=3- (sin b × m)=3- (arctan 1.5- β) × 2.1633)
It, can be by setting different angle β according to the relational expression of the relational expression and Y of resulting X and angle beta and angle beta
(such as every 10 ° calculate primary), when the first area 122 rotation β angle is calculated, the cam pin 114 relative to this
The relative position in one region 122, i.e. (X, Y) value, such as shown in table 1, then obtained by way of described point such as Fig. 9 A and Fig. 9 B
Shown in sliding trace curve 116.Then the geometric locus 116 is mapped to the second connection structure 1122b ', so that it may obtain rail
Trace curve 116 '.According to the pattern curve of the available track 115 and 115 ' of the geometric locus 116 and 116 '.
Table 1
| Angle beta (°) | Distance X (mm) | Distance Y (mm) |
| 0 | 4.20 | 1.20 |
| 10 | 4.01 | 1.44 |
| 20 | 3.84 | 1.72 |
| 30 | 3.67 | 2.04 |
| 40 | 3.48 | 2.39 |
| 50 | 3.24 | 2.76 |
| 60 | 2.96 | 3.14 |
| 70 | 2.63 | 3.51 |
| 80 | 2.24 | 3.87 |
| 85 | 2.03 | 4.04 |
| 88 | 1.89 | 4.14 |
| 89 | 1.85 | 4.17 |
| 90 | 1.80 | 4.20 |
In accordance with an embodiment of the present disclosure, the distance between the axis L and L ' of two central spindles 111 and 111 ' is equal to axis L
(or axis L ') arrives twice of the vertical range of the flexible screen 200.
In the visual angle of Fig. 9 A and Fig. 9 B, the axis L and L ' of two central spindles 111 and 111 ' show as the center of circle of the central spindle
O1 and O1 '.Therefore, the distance between the axis L and L ' of two central spindles 111 and 111 ' is equal to axis L (or axis L ')
To twice of the vertical range of the flexible screen 200.That is, the distance between center of circle O1 and center of circle O1 ' are equal to center of circle O1
Or center of circle O1 ' arrives twice of the vertical range of the flexible screen 200.
It will be understood by those skilled in the art that the feature recorded in each embodiment and/or claim of the disclosure can
To carry out multiple combinations or/or combination, even if such combination or combination are not expressly recited in the disclosure.Particularly, exist
In the case where not departing from disclosure spirit or teaching, the feature recorded in each embodiment and/or claim of the disclosure can
To carry out multiple combinations and/or combination.All these combinations and/or combination each fall within the scope of the present disclosure.
Although the disclosure, art technology has shown and described referring to the certain exemplary embodiments of the disclosure
Personnel it should be understood that in the case where the spirit and scope of the present disclosure limited without departing substantially from the following claims and their equivalents,
A variety of changes in form and details can be carried out to the disclosure.Therefore, the scope of the present disclosure should not necessarily be limited by above-described embodiment,
But should be not only determined by appended claims, also it is defined by the equivalent of appended claims.
Claims (10)
1. a kind of folding device, comprising:
At least one structure with double rotating shafts, wherein the structure with double rotating shafts includes:
Two central spindles, described two central spindle parallel arrangements, and described two central spindles do not contact；
Two connection structures, are respectively connected to one of described two central spindles, wherein each connection structure around with its
The central spindle rotation being connected；
Flexible screen bracket is mounted on above described two connection structures, covers at least part of described two central spindles.
2. folding device according to claim 1, wherein each connection structure includes:
First connection structure is rotatably connected at the central spindle；
Second connection structure is slidably connected with first connection structure, and the glide direction being slidably connected is
Perpendicular to the axis direction of the central spindle；
Wherein, the flexible screen bracket is mounted on above described two connection structures, including the flexible screen bracket is fixed
It is connected to above second connection structure.
3. folding device according to claim 2, wherein the structure with double rotating shafts further includes support frame and cam pin,
Second connection structure further includes end face interconnecting piece, in which:
Support frame as described above is used to support described two central spindles；
The end face interconnecting piece extends to the first end of the axis in support frame as described above perpendicular to the central spindle, and the end face connects
It include track in socket part；
The first end of support frame as described above is fixed in one end of the cam pin, and the other end of the cam pin passes through described
Track.
4. folding device according to claim 3, in which:
The shape of the track according to the flexible screen bracket from tiling to during folding, the second connection structure phase
The motion profile of the cam pin is determined.
5. folding device according to claim 2, in which:
First connection structure includes sliding rail, the axis direction for extending perpendicularly to the central spindle of the sliding rail；
Second connection structure includes sliding block, and the sliding block is slideably snapped in the sliding rail.
6. folding device according to claim 5, in which:
The sliding rail is shaped to oval counterbore shape；
The shape of the sliding block and the shape of the sliding rail match.
7. folding device according to claim 1, wherein further include:
Synchronization structure is all connected with described two connection structures, can be realized the mirror image synchronization movement of described two connection structures.
8. folding device according to claim 7, the synchronization structure includes two the first synchronization structures and one the
Two synchronization structures, in which:
First connecting pin of each first synchronization structure is articulated with one of described two connection structures, the second connection
End is articulated with second synchronization structure；
Second synchronization structure is rigid structure, and the both ends of second synchronization structure are respectively slidably covered described two
In central spindle.
9. a kind of electronic equipment, comprising:
Main body, including two ontologies；
Flexible screen；
Folding device described in any one according to claim 1~8；
Wherein, described two ontologies are connect with described two connection structures respectively；
The flexible screen is installed on the flexible screen bracket.
10. electronic equipment according to claim 9, wherein the distance between the axis of described two central spindles is equal to described
Twice of vertical range to the flexible screen of axis.
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| CN201910159758.2A CN109872630B (en) | 2019-03-01 | 2019-03-01 | Foldable device and electronic equipment |
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