CN104132059B - The pivot device that a kind of Biaxial synchronous rotates - Google Patents
The pivot device that a kind of Biaxial synchronous rotates Download PDFInfo
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- CN104132059B CN104132059B CN201410335035.0A CN201410335035A CN104132059B CN 104132059 B CN104132059 B CN 104132059B CN 201410335035 A CN201410335035 A CN 201410335035A CN 104132059 B CN104132059 B CN 104132059B
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Abstract
The present invention relates to the pivot device that a kind of Biaxial synchronous rotates, including two shafts, synchronous piece, limiting plate and connecting plate；Two the first circular holes are provided with connecting plate, two shafts are inserted into two the first circular holes respectively；Two shafts are both provided with cylinder on the same side of connecting plate, spiral guide slot are symmetrically arranged with two cylinders, two spiral guide slots are oppositely oriented, and helix angle is identical；Synchronous piece is provided at both ends with protrusion, and the raised of the synchronous piece both ends is inserted into spiral guide slot, and synchronous piece and two shafts is all vertically arranged；One end of limiting plate is connected with connecting plate, and limiting plate and cylinder are in the same side of connecting plate, limiting plate be provided with the synchronous piece up and down contact and parallel plate face up and down, upper and lower plate face limits synchronization part move up and down, synchronous piece is moved horizontally along upper and lower plate face.
Description
Technical field
The present invention relates to a kind of pivot device, and in particular to a kind of pivot device of Biaxial synchronous linkage type.
Background technology
With science and technology it is growing, requirement of the people to electronic products such as laptop, e-book also becomes higher,
For folding electronic product, traditional coupling structure using twin shaft is without linkage effect, and when use is inconvenient, to single shaft
Unilateral it can only be rotated during applying power, it is impossible to meet the requirement of user；It is existing also to have the twin shaft with linkage effect
Pivot device, but be all the gear-driven mode that uses, gear drive use tooth there are the problem of intermittent, idle stroke
Requirement of the wheel transmission to installation is very high, and gear drive is easy to cause abrasion, so effect is less desirable, is passed to solve gear
The problems such as dynamic hysteresis, now need a kind of double-axis hinge that can reach synchronous rotation for substituting gear.
The content of the invention
It is an object of the invention to provide the pivot device that a kind of simple in structure, easy for installation, Biaxial synchronous rotates.
In order to solve above-mentioned purpose, the present invention provides the pivot device that a kind of Biaxial synchronous rotates, including first rotating shaft, the
Two shafts, synchronous piece, limiting plate and connecting plate；Two the first circular holes, the first rotating shaft and are provided with the connecting plate
Two shafts are inserted into two the first circular holes respectively；The first rotating shaft and the second shaft are respectively arranged with the same side of connecting plate
First cylinder and the second cylinder, are provided with the first spiral guide slot on first cylinder, on second cylinder
It is provided with the second spiral guide slot；First spiral guide slot and the second spiral guide slot are oppositely arranged, both are oppositely oriented；
The synchronous piece is provided at both ends with protrusion, and the protrusion at the synchronous piece both ends is inserted into the first spiral guide slot and the second spiral shell respectively
Revolve in guide groove；Described limiting plate one end is connected with the connecting plate, and the limiting plate is provided with to be connect up and down with the synchronous piece
Touch and parallel plate face up and down, the synchronous piece are moved horizontally along upper and lower plate face.
Further, the helix angle of first spiral guide slot and the second spiral guide slot is identical.
The present invention further includes the first cam equipped with first through hole, equipped with second in order to realize interfix state
The second cam, the first elastic component, the second elastic component, positioning plate, the first stop section and the second stop section of through hole, the positioning plate
On be provided with two the 3rd circular holes, the first rotating shaft is arranged the first cam, the first elastic component, the 3rd circle in connecting plate side successively
Hole and the first stop section, and all parts in first rotating shaft abut successively, and second shaft covers successively in connecting plate side
If another the 3rd circular hole and the second stop section on the second cam, the second elastic component, connecting plate, and it is each in the second shaft
A component abuts successively；At least one flat bevel, first cam and are designed with the first rotating shaft and the second shaft
Two cams are equipped with and flat matched first positioning surface of bevel, the flat bevel and positioning surface contact, and described first
Cam and the second cam are rotated with the rotation of first rotating shaft and the second shaft；Two are provided with first cam relatively
The first positioning convex portion set, is provided with two the second positioning convex portions being oppositely arranged, the connecting plate on second cam
With the first cam, the second cam contact surface on be provided with and match with first positioning convex portion, the second positioning convex portion
Location indentations, when the first positioning convex portion and the second positioning convex portion are rotated to corresponding location indentations, during the pivot device is in
Between positioning states；The first elastic component and the second elastic component in above-mentioned are spiral helicine compression spring；Pass through the positioning on cam
The cooperation of location indentations on convex portion and connecting plate so that two shafts produce the orientation angle of centre in rotation process, convenient
User uses.
Further, multigroup the 3rd opposite positioning convex portion is additionally provided with first cam, and on the second cam also
Multigroup the 4th opposite positioning convex portion is set, is provided with the connecting plate and the 3rd positioning convex portion and the 4th positioning convex portion
The location indentations to match, when the 3rd positioning convex portion and the 4th positioning convex portion enter corresponding location indentations, the hinge
Device is in interfix state；The present invention can also set multipair positioning convex portion and location indentations to realize multiple interfix angles
Degree, user can use according to personal use situation rotating shaft to suitable interfix angle.
Further, the end of the first rotating shaft and the second shaft is threaded portion, first stop section and second gear
The composition of stop is identical, including one be equipped with third through-hole flat gasket, one or several spring pads equipped with fourth hole
Piece and a nut, flat gasket and the positioning plate abutting contact, two spring shims connect against the flat gasket, the nut
Be connected on the threaded portion of the first rotating shaft and the second shaft, and with the spring shim contacts side surfaces；The third through-hole and
Fourth hole is provided with and matched second positioning surface of the flat bevel of the first rotating shaft, the second shaft, second positioning surface
Contacted with the flat bevel, the flat gasket and spring shim with first rotating shaft, the second shaft rotation and rotate, wherein
Spring shim is used for the torsion for adjusting first rotating shaft and the second shaft.
Present invention additionally comprises the sleeve of a hollow structure, the one end open of the sleeve, the other end is inside contracted equipped with a positioning
Platform, the locating platform are equipped with two the 4th circular holes, and the first rotating shaft and the second shaft stretch into simultaneously from the openend of sleeve
The 4th circular hole is pierced by respectively, and the positioning plate is described since the active force of the first elastic component and the second elastic component is resisted against
The inner surface of locating platform, first stop section and the second stop section are installed on the first rotating shaft from the outside of locating platform
With the end of the second shaft.
Further, the inner wall up and down of the sleeve is equipped with positioning convex surface, the limiting plate, connecting plate, positioning plate
Upper and lower surface is equipped with alignment concavity, and the positioning convex surface is stuck in the alignment concavity；By positioning convex surface and alignment concavity
Coordinate, make device closer, this design structure is simple.
Further, described first rotating shaft one end is connected with the first connector, and described second shaft one end is connected with second
Connector, first connector and second connector are flat, and and external connection；The connector of flat is convenient
And external connection.
Further, the edge of the plate face up and down of the limiting plate and the first cylinder, the second cylinder are arc transition
Contact, rotates two cylinders more suitable.
Further, the first rotating shaft and the opposite rotation angle of the second shaft for 0 degree to 180 degree, when described first
Shaft and the second shaft are rotated against from 0 degree of rotation to 180 degree, synchronous piece relative to first rotating shaft or the second shaft
90 degree.
Compared to the prior art the present invention, has the advantages that：
For the present invention by setting spiral guide slot in first rotating shaft and the second shaft, synchronous piece both ends are arranged on spirally-guided
In groove, and the limiting plate moved up and down equipped with limits synchronization part, the power of one side shaft is transmitted in addition on one side by synchronous piece, only
Need to rotate one of shaft, in addition shaft can reach the effect of synchronous rotation by the effect of mid-ambles part, the present invention
It is simple in structure, it is easy to install and use, in use, need not pin an axis is rotated further by an other axis, and there is gearing mode
Design it is more attractive；Relative to the gear drive for reaching synchronous effect, structure of the invention do not allow it is easy to wear, in transmission process not
The problem of idle stroke and transmission hysteresis can be produced, and gear-driven installation requirement is high, increases the requirement of installation.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structure diagram that Fig. 1 removes sleeve；
Fig. 3 is the entirety sectional view of Fig. 1；
Fig. 4 is the overall decomposition diagram of the present invention；
Fig. 5 is the decomposition diagram of double-action part；
Fig. 6 is the positional structure schematic diagram of synchronous piece when the present invention is in unfolded state；
Fig. 7 is the positional structure schematic diagram of synchronous piece when the present invention is in folded state；
Fig. 8 is the positional structure schematic diagram of synchronous piece and shaft when the present invention is in unfolded state and folded state；
Fig. 9 is Fig. 8 from the schematic diagram in terms of D directions；
Figure 10 is the structure diagram that the present invention is in unfolded state；
Figure 11 is the structure diagram that the present invention is in interfix state；
Figure 12 is the structure diagram that the present invention is in folded state；
Figure 13 is the structure diagram of cam of the present invention and connecting plate；
Figure 14 is the structure diagram of limiting plate of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Figure 13, a kind of pivot device of Biaxial synchronous rotation of the present invention, including first rotating shaft 3, the second shaft 4,
Synchronous piece 51, limiting plate 52 and connecting plate 6；3 and second shaft 4 of first rotating shaft is arranged in parallel, and both middle parts is same
The first cylinder 31 and the second cylinder 41 are provided with position, is provided with the first cylinder 31 and the second cylinder 41 symmetrical
The first spiral guide slot 32 and the second spiral guide slot 42, the first spiral guide slot 32 and the second spiral guide slot 42 is opposite sets
Put, both is oppositely oriented, and helix angle is identical；Synchronous piece 51 is cylinder design, and two is provided with prominent be symmetrical arranged
Protrusion；Connecting plate 6 is provided with two the first circular holes 61, and the same end of wherein 3 and second shaft 4 of first rotating shaft respectively penetrates two
A first circular hole 61 simultaneously causes the side of connecting plate 6 to be resisted against on the end face of cylinder 31 and cylinder 32, two the first circular holes
61 centre is provided with the second circular hole 62, and 52 one end of limiting plate is provided with the flange 521 for being threaded hole, flange 521 from first
31 and second cylinder of cylinder, 41 side is stretched into the second circular hole 62 of connecting plate 6, and by connector 63 from the another of connecting plate 6
Side is locked, and for the connector 63 used in specific implementation for screw, the protrusion at 51 both ends of synchronous piece is respectively arranged on the first circle
In first spiral guide slot 32 of cylinder 31 and the second spiral guide slot 42 of the second cylinder 41, and spiral it can be led along first
Moved to 32 and second spiral guide slot 42 of groove, wherein limiting plate 52 is provided with the plate face up and down contacted with synchronous piece about 51
522, upper and lower plate face 522 is is arranged in parallel up and down, and upper and lower 522 limits synchronization part 51 of plate face moves up and down, upper and lower plate face 522
Edge is set for circular arc, is connected with the first cylinder 31,41 arc transition of the second cylinder, makes the first cylinder 31 and the second circle
Cylinder 41 can be rotated smoothly；First rotating shaft 3 is provided with the first friction shim 33 between 6 and first cylinder 31 of connecting plate,
Second shaft 4 is provided with the second friction shim 43 between 6 and second cylinder 41 of connecting plate, and peace is provided with friction shim
The 3rd positioning surface that bevel coordinates, the first friction shim 33 and the second friction shim 43 can be with the first cams 3 and the second cam 4
Rotation and rotate, synchronous piece 51 is pin designs in a particular embodiment.
According to the above description, when rotating first rotating shaft 3, first rotating shaft 3 can be to the synchronous piece 51 arranged on spiral guide slot 32
Applying power, synchronous piece 51 to 4 applying power of the second shaft, make the second shaft 4 be synchronized with first rotating shaft 3 and opposite, reverse turn again
It is dynamic, synchronous piece 51 acted on while limiting plate 52, the first spiral guide slot 32 and the second spiral guide slot 42 under along spacing
Plate 52 moves horizontally, i.e., is moved axially along two shafts；The present invention in 3 and second shaft 4 of first rotating shaft by setting spiral shell
Guide groove is revolved, synchronous piece both ends are arranged in spiral guide slot, it is only necessary to rotate one of shaft, in addition shaft can pass through centre
The rotation of synchronous piece synchronization, the configuration of the present invention is simple is easy for installation, relative to the gear drive for reaching synchronous effect, the present invention
Easy to wear, the problem of idle stroke will not be produced in transmission process is not allowed, gear-driven installation accuracy requires high, structure of the present invention
Simply, installation is more convenient.
Referring to Fig. 6 to Figure 12, the angle that pivot device of the present invention is set is 0 degree (folded state) to 180 degree (unfolded state)
Between, state decomposition schematic diagram when wherein Fig. 6 and Figure 10 are 180 degree (unfolded state), Fig. 7 and Figure 12 are 0 degree of (rugosity
State) when state decomposition schematic diagram, Fig. 8 is the position relationship of single axle and synchronous piece 51 in 0 degree and two angles of 180 degree,
90 degree are have rotated around shaft equivalent to synchronous piece 51, when pivot device angle is 0 degree or 180 degree, 51 both ends of synchronous piece
End of the protrusion in the first spiral guide slot 32 and the second spiral guide slot 42, the first spiral guide slot 32 and second spiral are led
To two extreme positions that the endpoint of groove 42 is pivot device；Rather than the pivot device interlocked, revolved in shaft from 0 degree to 180 degree
When turning, it is necessary to unilateral rotation 180 degree, can just reach corresponding angle, comparatively, when pivot device of the invention uses
It is convenient, it is more suitable for the requirement of contemporary people.
Connecting plate 6 in above-mentioned is both provided with two opposite location indentations 64 at the edge of two the first circular holes 61, this
Invention is additionally provided with the first cam 71 and the second cam 72 abutted against with 6 the same side of connecting plate, is provided with the first cam 71
The first positioning convex portion 711 to match with the location indentations 64 on connecting plate 6, be provided with the second cam 72 with connecting plate 6
The second positioning convex portion 721 that matches of location indentations 64, be provided with first through hole 712, the second cam 72 on the first cam 71
On be provided with the second through hole 722, first through hole 712 is inserted into first rotating shaft 3 from connecting plate 6 away from 31 side of the first cylinder, second
Through hole 722 is inserted into the second shaft 4 from connecting plate 6 away from 41 side of the second cylinder, makes the first positioning convex portion 711 of the first cam 71
End, 721 end of the second positioning convex portion of the second cam 72 and connecting plate 6 are abutted against equipped with 64 side of location indentations.First rotating shaft 3 is
One cam, 71 side is equipped with the first elastic component 81, and the outside of the first elastic component 81 is equipped with the first stop section 91, and the second shaft 4 is convex second
Take turns 72 sides and be equipped with the second elastic component 82, the outside of the second elastic component 82 is equipped with the second stop section 92, the first elastic component 81 and the second bullet
Property part 82 is spiral compression spring, wherein the first stop section 91 and the second stop section 92 extrude the first elastic component 81 and second respectively
Elastic component 82 is so that the first cam 71 and the second cam 72 are resisted against on connecting plate 6 all the time.
Multigroup the 3rd opposite positioning convex portion can also be set on first cam 71 of the invention, can be with the second cam 72
Multigroup the 4th opposite positioning convex portion is set, wherein the 3rd positioning convex portion is as the first positioning convex portion structure, the 4th convex
The structure in portion is provided with the connecting plate 6 and determines with the 3rd positioning convex portion, the 4th as the structure of the second positioning convex portion
The location indentations that position convex portion matches, when the 3rd positioning convex portion and the 4th positioning convex portion enter corresponding location indentations, institute
State pivot device and be in interfix state, can so increase interfix state in two shaft rotation processes, can meet
User navigates to required angle according to a Man's Demands.
First rotating shaft 3 is provided with least one flat bevel 33 in the first cylinder 31 close to 71 side of the first cam, second turn
Axis 4 is provided with least one flat bevel 43 in the second cylinder 41 close to 72 side of the second cam, and first in the first cam 71 is logical
It is provided with the first positioning surface of peaceful bevel 33 matching contact in hole 712, is provided with the second through hole 722 in the second cam 72
First positioning surface of peaceful bevel 43 matching contact, the first cam 71 and the second cam 72 are by the first positioning surface respectively with first
Shaft 3, the flat bevel of the second shaft 4 are positioned, and prevent its relative rotation, when 3 and second shaft 4 of first rotating shaft is rotated
When, the first cam 71 and the second cam 72 can also rotate therewith, since the setting of connecting portion 6 is circular hole, first rotating shaft 3 and second
The meeting opposing connections 6 of shaft 4 rotate, wherein the first cam 71 and the second cam 72 are rotated relative to connecting plate 6, when the first positioning
When 711 and second positioning convex portion 721 of convex portion turns to the location indentations 64 of connecting plate 6,3 and second shaft 4 of first rotating shaft is in
The state of positioning, similarly the first circular hole of of the invention two cams and connecting plate multigroup positioning convex portion to match can also be set
Interfix is carried out with location indentations, the position that can adjust positioning convex portion and location indentations as needed sets the centre needed
Orientation angle, wherein the interfix angle in the specific embodiment of the present invention is 105 degree, referring to Figure 11.
3 and second shaft 4 of first rotating shaft in the present invention is connected to first connecting portion 1 and second connecting portion 2, and first
Connecting portion 1 and second connecting portion 2 connect the screen and host of laptop, or the other electricity for needing to overturn of connection respectively
In sub- product, wherein first connecting portion 1 and second connecting portion 2 are respectively flat pattern design.
The present invention is additionally provided with sleeve 10, and sleeve 10 is hollow structure, wherein one end open, and the other end is equipped with two confessions the
The 4th circular hole that one shaft 3 and the second shaft 4 are pierced by, the first stop section 91 and the second stop section 92 be arranged on shaft end and
It is positioned on the 4th circular hole of sleeve 10；Sleeve be provided with up and down on inner wall positioning convex surface 101, correspondingly, with sleeve 10
Limiting plate 52, connecting plate 6 and the positioning plate of inner wall contact are both provided with and position 101 matched alignment concavity of convex surface about 93
102, by alignment concavity above limiting plate 52, connecting plate 6 and 93 screens of positioning plate be in sleeve 10.
The first stop section 91 and the second stop section 92 in the present invention are to push down the first elastic component 81 and the second elasticity
Part 82, make the first cam 71 and the second cam 72 be constantly in against state, illustrated with 91 side of the first stop section, its
In the first stop section 91 include nut 913, the spring shim 912 equipped with fourth hole and the flat gasket equipped with third through-hole
911, first rotating shaft 3 first is stretched into sleeve 10, and positioning plate 93 is equipped with openend in the 4th circular hole of sleeve 10, positioning
Plate 93 is provided with two the 3rd circular holes, and 3 one end of first rotating shaft is penetrated in sleeve 10, and passes through the 3rd circular hole of positioning plate 93 again
The 4th circular hole of sleeve 10 is penetrated, wherein 93 one end of positioning plate applies extruding force by the first elastic component 81, and the other end is resisted against set
The side of 4th circular hole of cylinder 10, first rotating shaft 3 are arranged with flat gasket in side of the positioning plate 93 away from the first elastic component 81
911, first rotating shaft 3 is equipped with two spring shims 912 in the outer sheath of flat gasket 911, and the end of first rotating shaft 3 is provided with spiral shell
Line, wherein thread bush carry out spacing equipped with nut 913；Similarly, the component and company of the second stop section 92 and the first stop section 91
Connect that form is identical, the second stop section 92 includes nut 923, the spring shim 922 equipped with fourth hole and equipped with threeway
The flat gasket 921 in hole；Set in the fourth hole set on the third through-hole and spring shim wherein set on flat gasket
There is the second positioning surface to match with the flat bevel in the first rotating shaft 3, the second shaft 4 so that flat gasket and spring pad
Piece is rotated with the rotation of the first cam 3 and the second cam 4；Wherein described spring shim is used to adjust first rotating shaft 3 and the
The torsion of two shafts 4, spring shim are for one or several.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula make a change and modification.Therefore, the invention is not limited in embodiment disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although used in this specification
Some specific terms, but these terms are merely for convenience of description, do not limit the present invention in any way.
Claims (7)
1. the pivot device that a kind of Biaxial synchronous rotates, it is characterised in that including first rotating shaft, the second shaft, synchronous piece, limiting plate
With connecting plate, positioning plate, sleeve, the first cam, the second cam, the first elastic component, the second elastic component, stop section；The sleeve
For hollow structure, the one end open of the sleeve, the other end is inside contracted to be set on inner wall up and down equipped with a locating platform, the sleeve
There is positioning convex surface, the limiting plate, connecting plate, the upper and lower surface of positioning plate are equipped with and position the matched alignment concavity in convex surface, institute
Positioning convex surface is stated to be stuck in the alignment concavity；
Two the first circular holes are provided with the connecting plate, the first rotating shaft and the second shaft are inserted into two the first circular holes respectively
It is interior, the second circular hole is equipped between two first circular holes；The first rotating shaft and the second shaft are in the same side of connecting plate point
The first cylinder and the second cylinder are not provided with, are provided with the first spiral guide slot on first cylinder, described second
The second spiral guide slot is provided with cylinder；First spiral guide slot and the second spiral guide slot are oppositely arranged, both
It is oppositely oriented；
The synchronous piece is cylinder, and the synchronous piece is provided at both ends with protrusion, and the protrusion at the synchronous piece both ends is inserted respectively
Enter in the first spiral guide slot and the second spiral guide slot；Described limiting plate one end is connected with the connecting plate, the limiting plate
Be provided with the synchronous piece up and down contact and parallel plate face up and down, the synchronous piece moved horizontally along upper and lower plate face,
Described limiting plate one end is provided with flange, and the flange is locked through second circular hole from the connecting plate opposite side；
First elastic component and second elastic component are spiral compression spring, and the stop section extrudes first bullet respectively
Property part and second elastic component cause first cam and second cam to be resisted against all the time on connecting plate；
Edge and the first cylinder, the second cylinder of the plate face up and down of the limiting plate contact for arc transition.
2. pivot device according to claim 1, it is characterised in that first spiral guide slot and the second spiral guide slot
Helix angle it is identical.
3. pivot device according to claim 1, it is characterised in that first cam is equipped with first through hole, described second
Cam is equipped with the second through hole, the stop section includes the first stop section and the second stop section, two being provided with the positioning plate
3rd circular hole, the first rotating shaft are arranged the first cam, the first elastic component, the 3rd circular hole and the first block in connecting plate side successively
Portion, and all parts in first rotating shaft abut successively, and second shaft is arranged the second cam, in connecting plate side successively
Another the 3rd circular hole and the second stop section on two elastic components, positioning plate, and all parts in the second shaft are tight successively
Lean on；At least one flat bevel is designed with the first rotating shaft and the second shaft, the first through hole and the second through hole are equipped with
With flat matched first positioning surface of bevel, the flat bevel and positioning surface contact, first cam and second convex
Wheel is rotated with the rotation of first rotating shaft and the second shaft；
Two the first positioning convex portions being oppositely arranged are provided with first cam, two phases are provided with second cam
To the second positioning convex portion of setting, the connecting plate with the first cam, the second cam contact surface on be provided with and described
The location indentations that one positioning convex portion, the second positioning convex portion match, when the first positioning convex portion and the second positioning convex portion are rotated to phase
During the location indentations answered, the pivot device is in positioning states.
4. pivot device according to claim 3, it is characterised in that multigroup opposite is additionally provided with first cam
Three positioning convex portions, also set up multigroup the 4th opposite positioning convex portion on the second cam, are provided with the connecting plate and described
The location indentations that three positioning convex portions, the 4th positioning convex portion match, the 3rd positioning convex portion and the 4th the positioning convex portion entrance pair
During the location indentations answered, the pivot device is in positioning states.
5. pivot device according to claim 3, it is characterised in that the end of the first rotating shaft and the second shaft is screw thread
Portion, first stop section is identical with the composition of the second stop section, including one be equipped with third through-hole flat gasket, one or
Several spring shims and a nut equipped with fourth hole, flat gasket and the positioning plate abutting contact, two spring shims support
By the flat gasket, the nut is connected to the threaded portion of the first rotating shaft and the second shaft, and with the spring pad
Piece contacts side surfaces；
The third through-hole and fourth hole are provided with the second positioning matched with the flat bevel of the first rotating shaft, the second shaft
Face, second positioning surface and the flat bevel contact, the flat gasket and spring shim are with first rotating shaft, the second shaft
Rotation and rotate.
6. pivot device according to any one of claims 1 to 5, it is characterised in that described first rotating shaft one end is connected with
A connection piece, described second shaft one end are connected with the second connector, and first connector and second connector are flat
It is flat-shaped, and and external connection.
7. pivot device according to any one of claims 1 to 5, it is characterised in that the first rotating shaft and the second shaft phase
To rotation angle for 0 degree to 180 degree, when the first rotating shaft and the second shaft are rotated to 180 degree, the synchronous piece from 0 degree
90 degree have been rotated against relative to first rotating shaft or the second shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335035.0A CN104132059B (en) | 2014-07-15 | 2014-07-15 | The pivot device that a kind of Biaxial synchronous rotates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335035.0A CN104132059B (en) | 2014-07-15 | 2014-07-15 | The pivot device that a kind of Biaxial synchronous rotates |
Publications (2)
| Publication Number | Publication Date |
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| CN104132059A CN104132059A (en) | 2014-11-05 |
| CN104132059B true CN104132059B (en) | 2018-04-17 |
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| CN201410335035.0A Active CN104132059B (en) | 2014-07-15 | 2014-07-15 | The pivot device that a kind of Biaxial synchronous rotates |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092307B (en) * | 2017-03-15 | 2020-07-24 | 联想(北京)有限公司 | Rotating shaft structure and electronic equipment |
| CN112145542B (en) * | 2019-06-27 | 2022-01-11 | 华为技术有限公司 | Folding module and folding electronic equipment |
| CN113969933B (en) * | 2020-07-23 | 2023-01-13 | Oppo广东移动通信有限公司 | Locking mechanism of folding terminal, folding mechanism and folding terminal |
| TWI750986B (en) * | 2020-12-31 | 2021-12-21 | 兆利科技工業股份有限公司 | A biaxial hinge structure and a shell cover module using the same |
| CN114704543A (en) * | 2022-04-15 | 2022-07-05 | 京东方科技集团股份有限公司 | Rotating shaft assembly and foldable display device with same |
| CN115405616A (en) * | 2022-09-27 | 2022-11-29 | 合肥维信诺科技有限公司 | Folding device and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203627513U (en) * | 2013-09-04 | 2014-06-04 | 富世达股份有限公司 | Synchronous movement device for double-rotary-shaft system |
| CN203585063U (en) * | 2013-11-26 | 2014-05-07 | 连鋐科技股份有限公司 | Synchronizing mechanism of double-shaft torsion pivoting device |
| CN203655882U (en) * | 2013-12-03 | 2014-06-18 | 兆利科技工业股份有限公司 | Double-shaft rotary shaft capable of being synchronously linked |
| CN203614585U (en) * | 2013-12-11 | 2014-05-28 | 特源股份有限公司 | Displacement limitation synchronization mechanism of rotary controller in electronic equipment |
| CN203670440U (en) * | 2013-12-20 | 2014-06-25 | 富世达股份有限公司 | Parallelism fixing device for double rotating shafts |
| CN203685838U (en) * | 2014-01-16 | 2014-07-02 | 昆山玮硕恒基电子科技有限公司 | Spiral groove transmission-type 360-degree double-shaft synchronous damping rotating shaft |
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