CN104514801B - Double-shaft type pivot mechanism and related portable electronic device thereof - Google Patents
Double-shaft type pivot mechanism and related portable electronic device thereof Download PDFInfo
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- CN104514801B CN104514801B CN201310465298.9A CN201310465298A CN104514801B CN 104514801 B CN104514801 B CN 104514801B CN 201310465298 A CN201310465298 A CN 201310465298A CN 104514801 B CN104514801 B CN 104514801B
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- hinge device
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- 238000009434 installation Methods 0.000 claims description 4
- 241000209094 Oryza Species 0.000 claims 4
- 235000007164 Oryza sativa Nutrition 0.000 claims 4
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 claims 4
- 235000009566 rice Nutrition 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000994 depressogenic effect Effects 0.000 description 4
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- 238000005034 decoration Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001274660 Modulus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- G06F1/1618—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position the display being foldable up to the back of the other housing with a single degree of freedom, e.g. by 360° rotation over the axis defined by the rear edge of the base enclosure
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
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- Theoretical Computer Science (AREA)
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- Human Computer Interaction (AREA)
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- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Telephone Set Structure (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a double-shaft hinge mechanism and a portable electronic device related to the same. The double-shaft pivot mechanism comprises at least one fixing piece, a first rotating shaft, a first main gear, a second rotating shaft, a second main gear and a transmission gear set. The fixing member includes a first section and a second section. The first rotating shaft and the second rotating shaft are respectively arranged in the first section and the second section of the fixing piece and are respectively connected with the first shell and the second shell. The first main gear and the second main gear are respectively arranged on the first rotating shaft and the second rotating shaft. The transmission gear set is meshed with the first main gear and the second main gear. When the first main gear rotates along a first direction, the second main gear synchronously rotates along a second direction opposite to the first direction.
Description
Technical field
The present invention relates to a kind of twin axle hinge device and its portable electronic devices of correlation, more particularly, to one kind rotation
Gyration reaches 360 deg, and has the advantages that low manufacturing cost and the twin axle hinge device and its phase of preferable appearance design
The portable electronic devices of pass.
Background technology
Traditional notebook computer makees mechanism using hinge device generation screen end relative system end rotation.Refer to
Fig. 1, Fig. 1 are the partial schematic diagram of a traditional hinge device 10 of prior art.Hinge device 10 has one first cam 12, one
Second cam 14 and a bridge joint wheel 16.First cam 12 and the second cam 14 be connected respectively to electronic installation screen end 18 and
System end 20.As shown in figure 1, when the relative system end 20 of screen end 18 is opened, the first cam 12 can be rotated clockwise；
Now the second cam 14 is actionless state.Until the first cam 12 is rotated up to 180 degree, the first cam 12 is allowed
Depressed part 121 is entrenched in after bridge joint wheel 16, and bridge joint wheel 16 departs from the depressed part 141 of the second cam 14 so that hinge device 10 can
Relative system end 20 is rotated clockwise.Because two cams of hinge device 10 in different operating stages independently of one another
Separately rotation, and a default torque value is needed between the relative system end 20 of screen end 18, so hinge device 10 will be in the first cam
12 and second cam 14 all respectively set up to the torque value torsion springs.Consequently, it is possible to which the rotating shaft of traditional hinge device is held
The buckling of Yi Yingao torque values and damage, therefore can improve manufacturing cost and reduction service life.
In addition, referring to Fig. 2, Fig. 2 is the partial schematic diagram of another traditional hinge device 30 of prior art.Hinge device
30 have first gear 32 and second gear 34.The connection screen of first gear 32 end 36, the connection system end 38 of second gear 34, and
First gear 32 is directly engaged in second gear 34.When the relative system end 38 of screen end 36 is opened, screen end 36 drives first
Gear 32 rotates clockwise, and first gear 32 draws second gear 34 along counter clockwise direction synchronous rotary.Instead
It, when the relative system end 38 of screen end 36 is closed, then first gear 32 is along counterclockwise rotates, and second gear 34 is by first
The traction of gear 32 and synchronous rotary clockwise.Because the first gear 32 of hinge device 30 directly engages the second tooth
Wheel 34, therefore the size of two gears of hinge device 30 can directly correspond to screen end 36 and the structure height of system end 38 is poor.Lift
For example, if notebook computer designs for large scale, hinge device 30 need to accordingly use large scale gear；Notebook computer is light
Thin design, hinge device 30 is then corresponding to use small size gear.In other words, for the notebook computer of different model, hinge
Mechanism 30, which will arrange in pairs or groups, sets various sizes of gear, therefore the structural volume of hinge device 30 can also change with gear size.Cause
This, traditional hinge device must be designed with the model of notebook computer, with manufacturing cost costliness, assembling inconvenience and outward appearance
Not good shortcoming.
The content of the invention
It is an object of the invention to provide a kind of twin axle pivot with low manufacturing cost and preferable appearance design
Knob mechanism and its related portable electronic devices, the problem of to solve above-mentioned.
For up to above-mentioned purpose, the present invention discloses a kind of twin axle hinge device, for making a first shell body phase for one the
Two housings rotate.The twin axle hinge device includes an at least fixture, a first rotating shaft, one first master gear, one second
Rotating shaft, one second master gear and a driving gear set.The fixture includes one first section and one second section.This first turn
Axle is arranged on first section of the fixture, and connects first housing.First master gear is set in coaxial rotating mode
In in the first rotating shaft.Second rotating shaft is arranged on second section of the fixture, and connects second housing.Second master
Gear is arranged in second rotating shaft in coaxial rotating mode.The driving gear set is engaged in first master gear and second master
Between gear.First master gear along a first direction rotate when, the driving gear set is drawn by first master gear, and is driven
A second direction synchronous rotary of second master gear along the opposite first direction.
The present invention separately discloses the twin axle hinge device and has additionally comprised one first bolster and one second bolster.This first holds
Erection is placed in the first rotating shaft and affixed first housing, and second bolster is arranged at second rotating shaft and the affixed second shell
Body.
The present invention separately discloses the driving gear set and includes one first travelling gear and one second travelling gear.First transmission
Gear is engaged in first master gear and second travelling gear, second travelling gear be engaged in second master gear with this
One travelling gear.
The present invention separately disclose first master gear along the first direction rotate when, first travelling gear is along the second direction
Rotate, and second travelling gear rotates along the first direction.
The present invention separately discloses the twin axle hinge device and has additionally comprised multiple torsion elements, a locating part and multiple friction pads
Piece.The plurality of torsion elements are sheathed on the first rotating shaft.The locating part sets the first rotating shaft and applies pressure to the plurality of torsion elements.Should
Multiple friction shims are arranged between first master gear and the fixture, between the torsion elements and the fixture and the torsion
Between part and the locating part.
The number of teeth that the present invention separately discloses first master gear is substantially greater than 12, and the modulus of first master gear is substantially greater than
0.2 millimeter, and the pitch diameter of first master gear is the number of teeth and the multiplied value of the modulus.
The number of teeth that the present invention separately discloses first travelling gear is substantially greater than 8, and the modulus of first travelling gear is real
Matter is more than 0.2 millimeter.
The crown that the present invention separately discloses first master gear is substantially greater than 0.2 millimeter, and the external diameter of first master gear is
The totalling value of the pitch diameter and twice of crown.
It is be divided by value of the number of teeth to the pitch diameter that the present invention, which separately discloses the diametral pitch of first master gear,.
The crown that the present invention separately discloses first master gear is substantially greater than 0.2 millimeter, and the crown is the inverse of the diametral pitch
Value.
The present invention separately discloses a kind of portable electronic devices, and it includes one first housing, one second housing and a pair of
Shaft type hinge device.First housing connects second housing can relatively rotate mode.The twin axle hinge device is arranged at
Between first housing and second housing, second housing is rotated for drawing the first shell body phase.The twin axle hinge
Mechanism includes an at least fixture, a first rotating shaft, one first master gear, one second rotating shaft, one second master gear and one
Driving gear set.The fixture includes one first section and one second section.The first rotating shaft be arranged on the fixture this
One section, and connect first housing.First master gear is arranged in the first rotating shaft in coaxial rotating mode.This second turn
Axle is arranged on second section of the fixture, and connects second housing.Second master gear is set in coaxial rotating mode
In in second rotating shaft.The driving gear set is engaged between first master gear and second master gear.First master gear
When being rotated along a first direction, the driving gear set is drawn by first master gear, and drives second master gear to be somebody's turn to do along opposite
One second direction synchronous rotary of first direction.
The present invention separately disclose first housing along a preset direction relative to the twin axle hinge device rotate when, the twin shaft
Formula hinge device drives first housing along the preset direction with respect to the second housing synchronous axial system.
The present invention separately discloses the portable electronic devices and has additionally comprised a connecting line and a guard member.The two of the connecting line
End is electrically connected first housing and second housing, and the connecting line wears the twin axle hinge device and first housing
Between space.The guard member is covered on the twin axle hinge device and the connecting line.
The gear ratio that the present invention separately discloses first master gear and second master gear is 1, first master gear and this
The line of centres of two master gears is substantially parallel to the plane normal vector of second housing.
The gear ratio that the present invention separately discloses first master gear and second master gear is 0.8, first master gear and should
The line of centres of second master gear is substantially 10 degree relative to the angle of the plane normal vector of second housing.
The gear ratio that the present invention separately discloses first master gear and second master gear is 0.6, first master gear and should
The line of centres of second master gear is substantially 22.5 degree relative to the angle of the plane normal vector of second housing.
The gear ratio that the present invention separately discloses first master gear and second master gear is 0.5, first master gear and should
The line of centres of second master gear is substantially 30 degree relative to the angle of the plane normal vector of second housing.
The gear ratio that the present invention separately discloses first master gear and second master gear is 0.92, first master gear and should
The line of centres of second master gear is substantially 3.75 degree relative to the angle of the plane normal vector of second housing.
The present invention separately disclose the portable electronic devices also include a Magnetic Sensor, be arranged at first housing or this second
Housing.The twin axle hinge device additionally comprises a magnetic element, is arranged on the fixture and the neighbouring sensor.The first shell
The rotation of body can change the relative position of the magnetic element and the Magnetic Sensor.The Magnetic Sensor is used for sensing magnetic element production
Raw magnetic flux density, and a switching signal is exported according to the flux density magnitude.
When the present invention separately discloses the Magnetic Sensor and judges that the magnetic flux density is more than a threshold value, the switching signal close this
The self-turnover of one display surface of two housings, and start the operating function of an inputting interface of second housing.The magnetic is passed
When sensor judges that the magnetic flux density is less than the threshold value, the switching signal starts the self-turnover of the display surface, and closes
The operating function of the inputting interface.
The present invention, which separately discloses the magnetic element, has relative one first magnetic pole and one second magnetic pole.The magnetic element is with this
Second magnetic pole is that axle center rotates relative to the Magnetic Sensor, to change the relative distance of first magnetic pole and the Magnetic Sensor.
The present invention, which separately discloses the magnetic element, has relative one first magnetic pole and one second magnetic pole.The magnetic element is with this
The boundary of first magnetic pole and second magnetic pole rotates for axle center, and the magnetic flux density of Magnetic Sensor sensing is with the magnetic element
The anglec of rotation and change.
The present invention is not required in two rotating shafts set the torsion springs with total torque value, twin axle hinge of the invention
Torsion needed for mechanism respectively is designed in first rotating shaft and the second rotating shaft, implies that first rotating shaft and the second rotating shaft are set respectively
Only there are the torsion elements of half torque value, each element of twin axle hinge device can be so prevented effectively from because applying excessive external force
And damage.In addition, the present invention can be widely used in the portable electronic devices of arbitrary dimension.Due to the tooth of twin axle hinge device
Take turns as common size, it is not necessary to change gear size with the volume of portable electronic devices, therefore can still keep twin axle hinge
The compact outward appearance of mechanism.The present invention configures multiple travelling gears between two master gears of twin axle hinge device, by passing
The relative position change of moving gear, for example, be staggered or arranged in a straight line, can advantageously adjust the entirety of twin axle hinge device
Structure height, it is adaptable to the portable electronic devices of any model.Magnetic element changes with the rotation of twin axle hinge device
The distance of its relative Magnetic Sensor, change in magnetic flux density of the Magnetic Sensor according to obtained by sensing is cut between operating point and point of release
Change, with the power mode and contact panel pattern of the portable electronic devices that automatically switch.The present invention twin axle hinge device and
Portable electronic devices, which have, assembles easy, with low cost, high service life and the smooth easily advantage of operation.
Brief description of the drawings
Fig. 1 is the partial schematic diagram of traditional hinge device of prior art；
Fig. 2 is the partial schematic diagram of another traditional hinge device of prior art；
Fig. 3 is the schematic diagram of the portable electronic devices of the embodiment of the present invention；
Fig. 4 and Fig. 5 is respectively schematic diagram of the portable electronic devices in different operation modes of the embodiment of the present invention；
Fig. 6 is the element exploded view of the twin axle hinge device of the embodiment of the present invention；
Fig. 7 founds figure for the group of the twin axle hinge device of the embodiment of the present invention；
Fig. 8 A and Fig. 8 B are respectively the internal structure schematic diagram of the twin axle hinge device of different embodiments of the invention；
Fig. 9 A and Fig. 9 B are respectively the part-structure schematic diagram of the twin axle hinge device of different embodiments of the invention；
Figure 10 A and Figure 10 B are respectively the part-structure schematic diagram of the twin axle hinge device of different embodiments of the invention；
Figure 11 A and Figure 11 B are respectively the part-structure schematic diagram of the twin axle hinge device of different embodiments of the invention；
Figure 12 A and Figure 12 B are respectively the part-structure schematic diagram of the twin axle hinge device of different embodiments of the invention；
Figure 13 A to Figure 13 G are respectively that the portable electronic devices of the embodiment of the present invention show in the part of different operating stages
It is intended to；
Figure 14 is the partial schematic diagram of the present invention wherein portable electronic devices of an embodiment；
Figure 15 is the magnetic element of the embodiment of the present invention and the start graph of a relation of Magnetic Sensor；
Figure 16 is the partial schematic diagram of the portable electronic devices of another embodiment of the present invention.
Symbol description
10th, 30 hinge device
12 first cams
121 depressed parts
14 second cams
141 depressed parts
16 bridge joint wheels
18th, 36 screen end
20th, 38 system end
32 first gears
34 second gears
50 portable electronic devices
52 first housings
521 display surfaces
54 second housings
541 inputting interfaces
56 twin axle hinge devices
58 connecting lines
60 guard members
62 fixtures
621 first sections
623 second sections
64 first rotating shafts
66 first master gears
68 second rotating shafts
70 second master gears
72 driving gear sets
721 first travelling gears
723 second travelling gears
74 first bolsters
76 second bolsters
78 torsion elements
80 locating parts
82 friction shims
84th, 84 ' magnetic element
86 Magnetic Sensors
88 processors
D1 first directions
D2 second directions
The N numbers of teeth
M moduluses
D pitch diameters
S crowns
D ' external diameters
P diametral pitch
The line of centres of L master gears
The plane normal vector of the housings of V second
Embodiment
Fig. 3 to Fig. 5 is referred to, Fig. 3 is the schematic diagram of a portable electronic devices 50 of the embodiment of the present invention, Fig. 4 and Fig. 5
Respectively the portable electronic devices 50 of the embodiment of the present invention are in the schematic diagram of different operation modes.Portable electronic devices 50 are wrapped
Contain one first housing 52, one second housing 54 and two twin axle hinge devices 56.Portable electronic devices 50 can be notes
Type computer, and the first housing 52 is screen end, the second housing 54 is system end.Two twin axle hinge devices 56 are separately positioned on
Between first housing 52 and the second housing 54 so that the first housing 52 can be using twin axle hinge device 56 with respect to the second housing 54
Rotation.The present invention can be not limited to, using two twin axle hinge devices 56, hold depending on actual demand.Twin axle hinge device 56
Drawn using gear, and relative second housing 54 of the first housing 52 rotating range between zero degree to 360 deg it
Between.
Portable electronic devices 50 operate mould according to the anglec of rotation of relative second housing 54 of the first housing 52 to switch it
Formula.For example, as shown in figure 3, the first housing 52 and the second housing 54 of portable electronic devices 50 are respectively with its display surface
521 and inputting interface 541 towards user, now portable electronic devices 50 are the use pattern of notebook computer.Wherein, show
Show the display panel that face 521 is screen end, inputting interface 541 is the keyboard or Trackpad of system end.As shown in figure 4, first shell
The display surface 521 of body 52 is towards user, the dorsad user, but the first housing 52 is relative of inputting interface 541 of the second housing 54
There is a claming angle between second housing 54；Now portable electronic devices 50 are the standing pattern of contact panel.Wherein,
One housing 52 need to be the screen end with touch control screen.As shown in figure 5, the display surface 521 of the first housing 52 is towards user, and
The back side of second housing 54 is directly attached to the back side of first shell body 52, implies that parallel second housing 54 of the essence of the first housing 52,
Now portable electronic devices 50 are the plate mode of contact panel.
As shown in figure 3, portable electronic devices 50 can separately include a connecting line 58 and a guard member 60.Connecting line 58
Two ends there is joint, the electronic component of the first housing 52 and the second housing 54 is electrically connected respectively to, by the electronics of system end
Signal is transferred to screen end.Connecting line 58 is arranged on the space between twin axle hinge device 56 and adjacent housings, as long as will not
Hinder the position of gear operation that connecting line 58 all can be set.Guard member 60 has the dust-proof function with decoration, double for being covered in
On shaft type hinge device 56 and connecting line 58.Guard member 60 can prevent dust or foreign matter to be caught in the tooth of twin axle hinge device 56
Wheel, to ensure that the running of twin axle hinge device 56 is smooth, and guard member 60 can separately have masking twin axle hinge device 56
Function, to beautify the outward appearance of portable electronic devices 50.
Fig. 6 and Fig. 7 are referred to, Fig. 6 is the element exploded view of the twin axle hinge device 56 of the embodiment of the present invention, and Fig. 7 is
The vertical figure of the group of the twin axle hinge device 56 of the embodiment of the present invention.Twin axle hinge device 56 includes multiple fixtures 62, one
First rotating shaft 64, one first master gear 66, one second rotating shaft 68, one second master gear 70, a driving gear set 72,1 first are held
Frame 74, one second bolster 76, multiple torsion elements 78, two locating parts 80 and multiple friction shims 82.Guard member 60 can be fixed on
On one of fixture 62, to reach the purpose of masking twin axle hinge device 56.In addition, first rotating shaft 64, the second rotating shaft
68 and partial frictional pad 82 be arranged between the two of which of multiple fixtures 62.Torsion elements 78, locating part 80 and part are rubbed
Scrubbing pad piece 82 is separately arranged between the two of which of multiple fixtures 62.Fixture 62 is a long strip type structure, according to upper-lower position
It is divided into one first section 621 and one second section 623, is respectively intended to configure the elements such as corresponding rotating shaft, gear and bolster, thus
Isolate adjacent elements to prevent the phenomenon of recurring structure interference.
First rotating shaft 64 is arranged between the first section 621 of two adjacent fixtures 62.Partial first rotating shaft 64 is convex
Go out one of fixture 62, and connect the first housing 52.First master gear 66 sets first rotating shaft 64 using a wedge type borehole jack, makes
The first master gear 66 is obtained to be set in first rotating shaft 64 in coaxial rotating mode.Similarly, also relative set exists for the second rotating shaft 68
Between second section 623 of fixture 62 and the second housing 54 of connection, and the second master gear 70 also sets second using wedge type borehole jack
In rotating shaft 68, to reach the purpose of coaxial rotating.Driving gear set 72 can be made up of even number little gear, imply that driving gear set
72 gear size is less than the size of master gear.For example, driving gear set 72 can at least include one first travelling gear 721
With one second travelling gear 723, the first travelling gear 721 is engaged between the first master gear 66 and the second travelling gear 723, and
Second travelling gear 723 is engaged between the second master gear 70 and the first travelling gear 721.Because driving gear set 72 is engaged on
Between first master gear 66 and the second master gear 70, when the first master gear 66 rotates along a first direction D1, driving gear set
72 are drawn by the first master gear 66, and a second direction D2 of second master gear 70 along opposite first direction D1 can be driven synchronous
Rotation.
As shown in Figures 6 and 7, multiple torsion elements 78 are respectively sleeved in the rotating shaft 68 of first rotating shaft 64 and second, torsion elements
78 be spring washer, is rubbed for providing to produce torsion.Locating part 80 can be nut, and two locating parts 80 are separately positioned on the
One rotating shaft 64 and one end of the second rotating shaft 68.Locating part 80 is generally arranged in rotating shaft with locking mode, and thus press multiple turn round
Power part 78 produces corresponding torsion.Torque magnitude can change with locating part 80 in the sealed depth of rotating shaft.Multiple frictions
Pad 82 be then be separately positioned between the first master gear 66 and adjacent fixture 62, the second master gear 70 and adjacent fixture 62
Between, between each torsion elements 78 and adjacent fixture 78 between each torsion elements 78 and corresponding locating part 80.Friction shim 82
Effect is the abrasion between element to be avoided.In order to allow twin axle hinge device 56 is stable to engage the first housing 52 and the second housing
54, the first bolster 74 and the second bolster 76 are separately positioned in the rotating shaft 68 of first rotating shaft 64 and second, with affixed first housing 52
With the second housing 54.Bolster can be set directly at one end that rotating shaft protrudes from fixture 62, such as the second bolster 76；Or rotating shaft exists
Protruding the end of fixture 62 separately there is an extension to link for bolster, such as the first bolster 74.So actual use aspect can not be limited
In this, hold depending on design requirement.
Refer to the inside for the twin axle hinge device 56 that Fig. 8 A and Fig. 8 B, Fig. 8 A and Fig. 8 B are different embodiments of the invention
Structural representation.The size of first master gear 66 and the second master gear 70 is preferably greater than the first travelling gear 721 and second and passed
The size of moving gear 723.The scale visual design requirement of first master gear 66 is substantially greater than, less than or equal to the second master gear 70
Size, its related implementation aspect will chat bright after.When the first master gear 66, D1 rotates along a first direction, the first driving cog
D2 is rotated wheel 721 in a second direction, and then D1 is rotated the second travelling gear 723 in the first direction, to drive the edge of the second master gear 70
Second direction D2 and produce synchronous rotary.The overall knot of the adjustable twin axle hinge device 56 of relative position change of travelling gear
Structure height.
As shown in Figure 8 A, the first travelling gear 721 and the second travelling gear 723 are staggered in the first master gear 66 and
Between two master gears 70, now the structure height of twin axle hinge device 56 is smaller, it is adaptable to slim portable electronic devices 50.
On the other hand, in order to coordinate the portable electronic devices 50 of different model, the first housing 52 and the second housing 54 may need compared with
Big space, then twin axle hinge device 56 of the invention is without changing the size of master gear and travelling gear, it is only necessary to which adjustment is passed
The ornaments position of moving gear group 72.As shown in Figure 8 B, the first travelling gear 721 is set as the crow flies with the second travelling gear 723
On the line of centres L of the first master gear 66 and the second master gear 70 so that twin axle hinge device 56 can have higher structure
Highly, large-sized portable electronic devices 50 are useful in.
It is noted that each gear of twin axle hinge device 56 has the limitation that it optimizes size.For example,
The number N of teeth of one master gear 66 (or second master gear 70) is preferably greater than 12, and the first master gear 66 (or the second master gear
70) modulus M is preferably greater than 0.2 millimeter；The number N of teeth of first travelling gear 721 (or second travelling gear 723) is preferably big
In 8, and the modulus M of the first travelling gear 721 (or second travelling gear 723) is preferably greater than 0.2 millimeter.Consequently, it is possible to
The present invention can follow following equation to design twin axle hinge device 56 and used under foregoing number N of teeth and modulus M restrictive condition
Master gear and travelling gear parameters：
D=M × N (formula 1)
D'=D+2 × S (formula 2)
P=N/D (formula 3)
S=1/P (formula 4)
Wherein, the pitch diameter D of master gear and travelling gear is substantially equal to the value that counts that its number N of teeth is multiplied by its modulus M, such as
Formula 1.Pitch diameter D size need to be designed to that at least rotating shaft can be encased and still have sufficient intensity.Pitch diameter D is preferably more than 4
Millimeter, but the size of its respective axes of rotation and change.Modulus M is the size that master gear is meshed with travelling gear, needs that public affairs can be absorbed
Difference and with sufficient intensity.The crown S of master gear and travelling gear is preferably greater than 0.2 millimeter, can avoid being engaged not between gear
Really the mistake of idle stroke is caused.Correspondingly, the outer diameter D of master gear and travelling gear ' then be substantially equal to its pitch diameter D add
Its upper twice of the crown S value that counts, such as formula 2.Removed in addition, the diametral pitch P of master gear and travelling gear is substantially equal to its number N of teeth
With its pitch diameter D value that counts, and crown S can be substantially equal to diametral pitch P reciprocal value, such as formula 3 and formula 4.Such one
Come, according to above-mentioned formula and dimension reference value design gear, just can ensure that the first master gear 66 and the second master gear 70 have enough
Structural strength bear torque value needed for twin axle hinge device 56, and driving gear set 72 can stable engagement in the first master
Between the master gear 70 of gear 66 and second so that the anglec of rotation change of the first master gear 66 correctly can synchronously correspond to second
The anglec of rotation change of master gear 70.
With can have different gears between the first master gear 66 and the second master gear 70 of twin axle hinge device 56
Than the anglec of rotation ratio of relative second master gear 70 of the first master gear 66 is also different.As long as the first master gear 66 and the second master
The number of teeth of gear 70 value of being divided by is the integer numerical value of Infinite Cyclic (do not have), and its gear ratio is applied both to the twin shaft of the present invention
Formula hinge device 56.As shown in Figure 8, the gear ratio of relative second master gear 70 of the first master gear 66 is 1, therefore in unit
In, the substantially identical anglec of rotation in the second master gear 70 of the anglec of rotation of the first master gear 66.Work as portable electronic devices
50 will be from the notebook computer pattern switching shown in Fig. 3 to the plate mode of the contact panel shown in Fig. 5, and the first housing 52 is (glimmering
Curtain end) 180 degree are rotated, and the second housing 54 (system end) similarly rotates 180 degree.Due to the first housing 52 with
The anglec of rotation of second housing 54 is substantially synchronous and identical, therefore twin axle hinge device 56 is with the first master gear 66 and the second main tooth
The plane normal vector V of substantially parallel second housings 54 of line of centres L of wheel 70 mode is arranged between screen end and system end, by
This ensures the use fluency of portable electronic devices 50.Other several implementation aspects are as described below.
Refer to the part for the twin axle hinge device 56 that Fig. 9 A and Fig. 9 B, Fig. 9 A and Fig. 9 B are another embodiment of the present invention
Structural representation.The gear ratio of first master gear 66 and the second master gear 70 can be 0.8.As shown in Figure 9 A, when the first master gear
66 are more than the second master gear 70, and portable electronic devices 50 are from the use pattern of notebook computer and the plate mode of contact panel
When mutually switching, the maximum anglec of rotation of the first housing 52 (screen end) is a degrees, the second housing 54 (system end)
The maximum anglec of rotation is 200 degree；As shown in Figure 9 B, when the first master gear 66 is less than the second master gear 70, portable electronic devices
50 from the use pattern of notebook computer and the plate mode of contact panel mutually switch when, then first housing 52 (screen end)
The maximum anglec of rotation is 200 degree, and the maximum anglec of rotation of the second housing 54 (system end) is a degrees.First housing
52 and second housing 54 overturn after position as shown in Fig. 9 A and Fig. 9 B dotted line frame-type.In response to the change of gear ratio, this implementation
Plane of the twin axle hinge device 56 of example with the line of centres L of the first master gear 66 and the second master gear 70 with respect to the second housing 54
Normal vector V is substantially the mode of 10 degree of angles and is arranged between screen end and system end.
Refer to the twin axle hinge device 56 that Figure 10 A and Figure 10 B, Figure 10 A and Figure 10 B are another embodiment of the present invention
Part-structure schematic diagram.The gear ratio of first master gear 66 and the second master gear 70 can be 0.6.As shown in Figure 10 A, as the first master
Gear 66 is more than the second master gear 70, and portable electronic devices 50 are from the use pattern of notebook computer and the flat board of contact panel
When pattern mutually switches, the maximum anglec of rotation of the first housing 52 (screen end) is 135 degree, (system of the second housing 54
End) the maximum anglec of rotation be 225 degree；As shown in Figure 10 B, when the first master gear 66 be less than the second master gear 70, can
Portable electronic apparatus 50 from the use pattern of notebook computer and the plate mode of contact panel mutually switch when, then the first housing
The maximum anglec of rotation at 52 (screen ends) is 225 degree, and the maximum anglec of rotation of the second housing 54 (system end) is one
135 degree.Position after first housing 52 and the upset of the second housing 54 is as shown in the dotted line frame-type of the 10th figure.This embodiment
Twin axle hinge device 56 with the line of centres L of the first master gear 66 and the second master gear 70 with respect to the second housing 54 planar process
Vectorial V is substantially the mode of 22.5 degree of angles and is arranged between screen end and system end.
Refer to the twin axle hinge device 56 that Figure 11 A and Figure 11 B, Figure 11 A and Figure 11 B are another embodiment of the present invention
Part-structure schematic diagram.The gear ratio of first master gear 66 and the second master gear 70 can be 0.5.As shown in Figure 11 A, as the first master
Gear 66 is more than the second master gear 70, and portable electronic devices 50 are from the use pattern of notebook computer and the flat board of contact panel
When pattern mutually switches, the maximum anglec of rotation of the first housing 52 (screen end) is 120 degree, (system of the second housing 54
End) the maximum anglec of rotation be 240 degree；On the other hand, as shown in Figure 11 B, when the first master gear 66 is less than the second main tooth
Wheel 70, portable electronic devices 50 from the use pattern of notebook computer and the plate mode of contact panel mutually switch when, then
The maximum anglec of rotation of first housing 52 (screen end) is 240 degree, and the maximum anglec of rotation of the second housing 54 (system end)
Spend for 120 degree.The dotted line frame-type institute of first housing 52 and the postrotational position of the second housing 54 such as Figure 11 A and Figure 11 B
Show.The twin axle hinge device 56 of the present embodiment is with the line of centres L of the first master gear 66 and the second master gear 70 with respect to second shell
The plane normal vector V of body 54 is substantially the mode of 30 degree of angles and is arranged between screen end and system end.
Refer to the twin axle hinge device 56 that Figure 12 A and Figure 12 B, Figure 12 A and Figure 12 B are another embodiment of the present invention
Part-structure schematic diagram.The gear ratio of first master gear 66 and the second master gear 70 can be 0.92.As illustrated in fig. 12, when first
Master gear 66 is more than the second master gear 70, and portable electronic devices 50 are flat from the use pattern of notebook computer and contact panel
When plate mode mutually switches, the maximum anglec of rotation of the first housing 52 (screen end) is 1 points 5 degree, the second housing
The maximum anglec of rotation of 54 (system ends) is 1 points 5 degree；As shown in Figure 12 B, when the first master gear 66 is less than second
Master gear 70, portable electronic devices 50 mutually switch from the use pattern of notebook computer and the plate mode of contact panel
When, then the maximum anglec of rotation of the first housing 52 (screen end) is 1 points 5 degree, and the second housing 54 (system end)
The maximum anglec of rotation be 1 points 5 degree.First housing 52 and the postrotational position of the second housing 54 such as Figure 12 A and
Shown in Figure 12 B dotted line frame-type.The twin axle hinge device 56 of the present embodiment is with the first master gear 66 and the second master gear 70
Line of centres L is arranged on screen end and system end with respect to the plane normal vector V of the second housing 54 modes for being substantially 3.75 degree of angles
Between.
For synthesis, driving gear set 72 is arranged on the first master gear 66 and by twin axle hinge device 56 of the invention
Between two master gears 70, when the first master gear 66 is rotated along a specific direction (such as first direction D1), driving gear set
72 can drive other direction (such as second direction D2) synchronous rotary of the second master gear 70 along the opposite specific direction.From can
From the point of view of the overall appearance of portable electronic apparatus 50, user is when opening the first housing 52, and the first housing 52 can be along a default side
Rotated to (such as first direction D1) relative to twin axle hinge device 56；Simultaneously, twin axle hinge device 56 can be because the
The rotation of one housing 52 and along the preset direction with respect to the second housing 54 synchronous rotary so that the first housing 52 can be with respect to second
Housing 54 deploys.Wherein, plane normal vectors of the line of centres L of the first master gear 66 and the second master gear 70 with respect to the second housing 54
V angle can be not limited to described in above-described embodiment, held depending on design requirement；Screen end and the maximum anglec of rotation of system end
Corresponding line of centres L and plane normal vector V angle and change, no longer chat bright in detail in this.
Figure 13 A to Figure 13 G are referred to, Figure 13 A to Figure 13 G are the portable electronic devices 50 of the embodiment of the present invention in difference
The partial schematic diagram of operational phase.In figure 13a, portable electronic devices 50 are in the closed mode of notebook computer.Then,
Such as Figure 13 A to Figure 13 C, the first housing 52 of portable electronic devices 50 deploys to switch to the use pattern of notebook computer.
Then, such as Figure 13 C to Figure 13 F, the first housing 52 further increases its flip angle with respect to the second housing 54, will be portable
Electronic installation 50 switches to the standing pattern of contact panel.Finally, as shown in Figure 13 F to Figure 13 G, the back side of the first housing 52 is supported
It is against the back side of the second housing 54 so that portable electronic devices 50 switch to the plate mode of contact panel.
Figure 14 is referred to, Figure 14 is the partial schematic diagram of the portable electronic devices 50 of a wherein embodiment of the invention.Can
The use pattern of portable electronic apparatus 50 is rotated against and changed with the first housing 52 and the second housing 54, therefore display surface
521 and the function of inputting interface 541 switch also with the start of twin axle hinge device 56.Twin axle hinge device 56 separately may be used
Comprising a magnetic element 84, it is arranged on fixture 62.Magnetic element 84 has relative the first magnetic pole N and the second magnetic pole S, and
For long strip type structure.Portable electronic devices 50 also include a Magnetic Sensor 86, are arranged on the first housing 52 or the second housing
54.This, which is sentenced, is arranged on exemplified by the Magnetic Sensor 86 of the second housing 54.Magnetic Sensor 86 can be Hall sensor (Hall IC),
It is positioned adjacent to the position of magnetic element 84, and exportable signal is to drive the processor 88 of portable electronic devices 50.First
When the housing 54 of housing 52 and second is rotated against, magnetic element 84 is rotated using the second magnetic pole S as axle center relative to Magnetic Sensor 86, with
Change the first magnetic pole N and Magnetic Sensor 86 relative distance.Magnetic Sensor 86 just can be exported according to the change of magnetic flux density and controlled
The switching signal of display surface 521 or inputting interface 541 processed.
When the anglec of rotation essence of magnetic element 84 is between 0~90 degree, relative second housing 54 of the first housing 52
Anglec of rotation essence is between 0~180 degree, and portable electronic devices 50 are a power mode.The anglec of rotation of magnetic element 84
When essence is between 90~180 degree, the anglec of rotation essence of relative second housing 54 of the first housing 52 is between 180~360 degree
Between, portable electronic devices 50 are contact panel pattern.Therefore, when magnetic element 84 goes to about slightly 90 degree of scope, magnetic
The magnetic flux density that sensor 86 senses is minimum, and processor 88 can be according to the portable electricity of the switching signal of Magnetic Sensor 86 automatic switchover
The operator scheme of sub-device 50.
Figure 15 is referred to, Figure 15 is the magnetic element 84 of the embodiment of the present invention and the start graph of a relation of Magnetic Sensor 86.Figure
Start relation described in 15 is applied to the portable electronic devices 50 shown in Figure 14.When twin axle hinge device 56 (or magnetic force member
Part 84) go to 87~108.3 degree of scope from 0 degree clockwise, the magnetic flux density that Magnetic Sensor 86 senses is from maximum
On the occasion of progressively decline less than 2.2Tesla, Magnetic Sensor 86 can switch to point of release by operating point (operation point)
(release point).The output switching signal of Magnetic Sensor 86, to start the automatic turning of display surface 521 by processor 88
Function and the operating function for closing inputting interface 541, portable electronic devices 50 are switched to contact panel pattern.The opposing party
Face, when twin axle hinge device 56 (or magnetic element 84) goes to 95.4~74 degree of scope along counter clockwise direction from 180 degree,
The magnetic flux density that Magnetic Sensor 86 senses gradually is lifted from negative peak and more than 3.0Tesla, Magnetic Sensor 86 is cut by point of release
Change operating point into, its switching signal exported can trigger processor 88 and close the self-turnover of display surface 521 and start defeated
Enter the operating function at interface 541, portable electronic devices 50 are switched to a power mode.
Special one is mentioned that, depending on the scope foundation magnetic element 84 of threshold value and the property of Magnetic Sensor 86, this implementation
In example, threshold value can be preferably designed between 2.2~3.0Tesla, right not limited to this.The switching characteristic of Magnetic Sensor 86, twin shaft
Formula hinge device 56 is used for triggering the special angle of Magnetic Sensor 86, and the magnetic pole aspect of magnetic element 84 is all not limited to above-mentioned reality
Apply described in example, hold depending on design requirement.
Figure 16 is referred to, Figure 16 is the partial schematic diagram of the portable electronic devices 50 of another embodiment of the present invention.This reality
Apply in example, with embodiment illustrated in fig. 14 there is the element of identical numbering to have identical structure and function, be not repeated in this
It is bright.The difference of this embodiment and previous embodiment is that magnetic element 84 ' can be ring type structure.First magnetic pole N and the second magnetic pole
S is respectively half arc unit, and the two ends of two halves arc unit are connected to form ring-like magnetic element 84 '.Magnetic element 84 ' can
Rotated by axle center of the first magnetic pole N and the second magnetic pole S boundary.When magnetic element 84 ' the first magnetic pole N or the second magnetic pole S just
To in face of Magnetic Sensor 86, Magnetic Sensor 86 can sense larger magnetic flux density.When magnetic element 84 ' is with twin axle hinge
Mechanism 56 goes to about slightly 90 degree of angle of essence, the magnetic flux density that now Magnetic Sensor 86 senses it is minimum and can in operating point and
Switch between point of release.For example：Magnetic element 84 ' clockwise from 0 degree of position gone to more than 90 degree when, magnetic sensing
Device 86 activates the processor 88 of portable electronic devices 50, processor 88 is filled portable electronic according to the change of magnetic flux density
Put 50 and switch to contact panel pattern.Magnetic element 84 ' goes to the position less than 90 degree along counter clockwise direction from the position of 180 degree
When putting, portable electronic devices 50 are switched to the electric mould of pen by the actuation process device 88 of Magnetic Sensor 86 with the change according to magnetic flux density
Formula.
Compare prior art, and the present invention is not required in two rotating shafts set the torsion springs with total torque value, this
Torsion needed for the twin axle hinge device of invention respectively is designed in first rotating shaft and the second rotating shaft, imply that first rotating shaft and
Second rotating shaft sets the torsion elements only with half torque value respectively, can so be prevented effectively from each element of twin axle hinge device
Damaged because excessive external force is applied.In addition, the present invention can be widely used in the portable electronic devices of arbitrary dimension.Due to double
The gear of shaft type hinge device is common size, it is not necessary to change gear size with the volume of portable electronic devices, therefore still
The compact outward appearance of twin axle hinge device can be kept.The present invention configures multiple between two master gears of twin axle hinge device
Travelling gear, is changed by the relative position of travelling gear, for example, is staggered or arranged in a straight line, can advantageously adjust twin axle
The overall structure height of hinge device, it is adaptable to the portable electronic devices of any model.Magnetic element is with twin axle hinge
The rotation of mechanism changes its distance with respect to Magnetic Sensor, and change in magnetic flux density of the Magnetic Sensor according to obtained by sensing is in operating point
And switch between point of release, with the power mode and contact panel pattern of the portable electronic devices that automatically switch.The present invention's is double
Shaft type hinge device and portable electronic devices, which have, assembles easy, with low cost, high service life and operation smoothness easily
Advantage.
Presently preferred embodiments of the present invention is the foregoing is only, all equivalent changes done according to the claims in the present invention are with repairing
Decorations, should all belong to the covering scope of the present invention.
Claims (36)
1. a kind of twin axle hinge device a, it is adaptable to electronic installation, for making a first shell body phase be revolved for one second housing
Turn, wherein electronic installation includes a connecting line and a guard member, the two ends of the connecting line are electrically connected first housing with being somebody's turn to do
Second housing, and the connecting line wears the space between the twin axle hinge device and first housing, the guard member is covered in this
On twin axle hinge device and the connecting line,
The twin axle hinge device includes：
An at least fixture, includes the first section and the second section；
First rotating shaft, is arranged on first section of the fixture, and connects first housing；
First master gear, is arranged in the first rotating shaft in coaxial rotating mode；
Second rotating shaft, is arranged on second section of the fixture, and connects second housing；
Second master gear, is arranged in second rotating shaft in coaxial rotating mode；And
Driving gear set, is engaged between first master gear and second master gear, including the first travelling gear and second is passed
Moving gear, and first travelling gear and the second travelling gear be arranged on the line of centres of two master gears, first master gear
When being rotated along a first direction, the driving gear set is drawn by first master gear, and drives second master gear to be somebody's turn to do along opposite
One second direction synchronous rotary of first direction.
2. twin axle hinge device as claimed in claim 1, wherein the twin axle hinge device have been additionally comprised：
First bolster, is arranged at the first rotating shaft and affixed first housing；And
Second bolster, is arranged at second rotating shaft and affixed second housing.
3. twin axle hinge device as claimed in claim 2, the wherein driving gear set include the first travelling gear and second
Travelling gear, first travelling gear is engaged in first master gear and second travelling gear, second travelling gear engagement
In second master gear and first travelling gear.
4. twin axle hinge device as claimed in claim 3, wherein first master gear along the first direction rotate when, this
One travelling gear rotates along the second direction, and second travelling gear rotates along the first direction.
5. twin axle hinge device as claimed in claim 4, wherein the twin axle hinge device have been additionally comprised：
Multiple torsion elements, are sheathed on the first rotating shaft；
Locating part, sets the first rotating shaft and applies pressure to the plurality of torsion elements；And
Multiple friction shims, are arranged between first master gear and the fixture, between the torsion elements and the fixture and should
Between torsion elements and the locating part.
6. twin axle hinge device as claimed in claim 4, the number of teeth of wherein first master gear is substantially greater than 12, this
The modulus of one master gear is substantially greater than 0.2 millimeter, and the pitch diameter of first master gear being multiplied for the number of teeth and the modulus
Value.
7. twin axle hinge device as claimed in claim 3, the number of teeth of wherein first travelling gear is substantially greater than 8, and
The modulus of first travelling gear is substantially greater than 0.2 millimeter.
8. twin axle hinge device as claimed in claim 6, the crown of wherein first master gear is substantially greater than 0.2 millimeter,
And the external diameter of first master gear is the totalling value of the pitch diameter and twice of crown.
9. twin axle hinge device as claimed in claim 6, the wherein diametral pitch of first master gear are the number of teeth to the pitch circle
The value of being divided by of diameter.
10. twin axle hinge device as claimed in claim 9, the crown of wherein first master gear is substantially greater than 0.2 millimeter,
And the crown is the reciprocal value of the diametral pitch.
11. the gear ratio of twin axle hinge device as claimed in claim 5, wherein first master gear and second master gear
For 1,0.92,0.8,0.6 or 0.5.
12. the gear ratio of twin axle hinge device as claimed in claim 1, wherein first master gear and second master gear
For 1,0.92,0.8,0.6 or 0.5.
, should 13. twin axle hinge device as claimed in claim 1, the number of teeth of wherein first master gear is substantially greater than 12
The modulus of first master gear is substantially greater than 0.2 millimeter, and the pitch diameter of first master gear is the number of teeth and the phase of the modulus
Multiply value.
14. twin axle hinge device as claimed in claim 13, the crown of wherein first master gear is substantially greater than 0.2 milli
Rice, and the external diameter of first master gear is the totalling value of the pitch diameter and twice of crown.
15. twin axle hinge device as claimed in claim 13, the wherein diametral pitch of first master gear are the number of teeth to the section
The value of being divided by of circular diameter.
16. twin axle hinge device as claimed in claim 15, the crown of wherein first master gear is substantially greater than 0.2 milli
Rice, and the crown is the reciprocal value of the diametral pitch.
17. a kind of portable electronic devices, it includes：
First housing；
Second housing, first housing connects second housing can relatively rotate mode；
Twin axle hinge device, is arranged between first housing and second housing, for drawing the first shell body phase to this
Second housing rotates, and the twin axle hinge device includes：
An at least fixture, includes the first section and the second section；
First rotating shaft, is arranged on first section of the fixture, and connects first housing；
First master gear, is arranged in the first rotating shaft in coaxial rotating mode；
Second rotating shaft, is arranged on second section of the fixture, and connects second housing；
Second master gear, is arranged in second rotating shaft in coaxial rotating mode；And
Driving gear set, is engaged between first master gear and second master gear, including the first travelling gear and second is passed
Moving gear, and first travelling gear and the second travelling gear be arranged on the line of centres of two master gears, first master gear
When being rotated along a first direction, the driving gear set is drawn by first master gear, and drives second master gear to be somebody's turn to do along opposite
One second direction synchronous rotary of first direction；
Connecting line, the two ends of the connecting line are electrically connected first housing and second housing, and the connecting line wears this pair
Space between shaft type hinge device and first housing；And
Guard member, is covered on the twin axle hinge device and the connecting line.
18. portable electronic devices as claimed in claim 17, wherein first housing are along a preset direction with respect to this pair
When shaft type hinge device is rotated, the twin axle hinge device drives first housing along the preset direction with respect to second housing
Synchronous axial system.
19. portable electronic devices as claimed in claim 17, wherein the twin axle hinge device have been additionally comprised：
First bolster, is arranged at the first rotating shaft and affixed first housing；And
Second bolster, is arranged at second rotating shaft and affixed second housing.
20. portable electronic devices as claimed in claim 17, the wherein driving gear set include the first travelling gear and the
Two travelling gears, first travelling gear is engaged in first master gear and second travelling gear, and second travelling gear is nibbled
Together in second master gear and first travelling gear.
21. portable electronic devices as claimed in claim 20, wherein first master gear along the first direction rotate when, should
First travelling gear rotates along the second direction, and second travelling gear rotates along the first direction.
22. portable electronic devices as claimed in claim 17, wherein the twin axle hinge device have been additionally comprised：
Multiple torsion elements, are sheathed on the first rotating shaft；
Locating part, sets the first rotating shaft and applies pressure to the plurality of torsion elements；And
Multiple friction shims, are arranged between first master gear and the fixture, between the torsion elements and the fixture and should
Between torsion elements and the locating part.
, should 23. portable electronic devices as claimed in claim 17, the number of teeth of wherein first master gear is substantially greater than 12
The modulus of first master gear is substantially greater than 0.2 millimeter, and the pitch diameter of first master gear is the number of teeth and the phase of the modulus
Multiply value.
24. portable electronic devices as claimed in claim 20, the number of teeth of wherein first travelling gear is substantially greater than 8,
And the modulus of first travelling gear is substantially greater than 0.2 millimeter.
25. portable electronic devices as claimed in claim 23, the crown of wherein first master gear is substantially greater than 0.2 milli
Rice, and the external diameter of first master gear is the totalling value of the pitch diameter and twice of crown.
26. portable electronic devices as claimed in claim 23, the wherein diametral pitch of first master gear are the number of teeth to the section
The value of being divided by of circular diameter.
27. portable electronic devices as claimed in claim 26, the crown of wherein first master gear is substantially greater than 0.2 milli
Rice, and the crown is the reciprocal value of the diametral pitch.
28. the gear of portable electronic devices as claimed in claim 17, wherein first master gear and second master gear
Than for 1, the line of centres of first master gear and second master gear is substantially parallel to the plane normal vector of second housing.
29. the gear of portable electronic devices as claimed in claim 17, wherein first master gear and second master gear
Than for 0.8, angle of the line of centres relative to the plane normal vector of second housing of first master gear and second master gear
Substantially 10 degree.
30. the gear of portable electronic devices as claimed in claim 17, wherein first master gear and second master gear
Than for 0.6, angle of the line of centres relative to the plane normal vector of second housing of first master gear and second master gear
Substantially 22.5 degree.
31. the gear of portable electronic devices as claimed in claim 17, wherein first master gear and second master gear
Than for 0.5, angle of the line of centres relative to the plane normal vector of second housing of first master gear and second master gear
Substantially 30 degree.
32. the gear of portable electronic devices as claimed in claim 17, wherein first master gear and second master gear
Than for 0.92, angle of the line of centres relative to the plane normal vector of second housing of first master gear and second master gear
Substantially 3.75 degree.
33. portable electronic devices as claimed in claim 17, the wherein portable electronic devices are also sensed comprising a magnetic
Device, is arranged at first housing or second housing, and the twin axle hinge device additionally comprises a magnetic element, and the magnetic element is set
Put in the fixture and the neighbouring sensor, the rotation of first housing changes the magnetic element and the relative position of the Magnetic Sensor
Put, the Magnetic Sensor is used for sensing the magnetic flux density of magnetic element generation, and is switched according to flux density magnitude output one
Signal.
34. portable electronic devices as claimed in claim 33, the wherein Magnetic Sensor judge that the magnetic flux density is more than one
During threshold value, the switching signal closes the self-turnover of a display surface of second housing, and starts the one of second housing
The operating function of inputting interface, when the Magnetic Sensor judges that the magnetic flux density is less than the threshold value, the switching signal starts this and shown
Show the self-turnover in face and close the operating function of the inputting interface.
35. portable electronic devices as claimed in claim 33, the wherein magnetic element have relative the first magnetic pole and
Two magnetic poles, the magnetic element rotates by axle center of second magnetic pole relative to the Magnetic Sensor, to change first magnetic pole and the magnetic
The relative distance of sensor.
36. portable electronic devices as claimed in claim 33, the wherein magnetic element have relative the first magnetic pole and
Two magnetic poles, the magnetic element rotates by axle center of the boundary of first magnetic pole and second magnetic pole, and what the Magnetic Sensor sensed should
Magnetic flux density changes with the anglec of rotation of the magnetic element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102135912A TWI547651B (en) | 2013-06-05 | 2013-10-03 | Biaxial pivoting mechanism and portable electronic device thereof |
| TW102135912 | 2013-10-03 |
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| Publication Number | Publication Date |
|---|---|
| CN104514801A CN104514801A (en) | 2015-04-15 |
| CN104514801B true CN104514801B (en) | 2017-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310465298.9A Active CN104514801B (en) | 2013-10-03 | 2013-10-08 | Double-shaft type pivot mechanism and related portable electronic device thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555815A (en) * | 2015-09-25 | 2017-04-05 | 昆山玮硕恒基电子科技有限公司 | Variable rotary torsion twin shaft is with dynamic turning gear |
| CN105650106B (en) * | 2016-02-29 | 2020-12-18 | 联想(北京)有限公司 | Electronic equipment and double-shaft synchronous mechanism thereof |
| CN107688369A (en) * | 2016-08-05 | 2018-02-13 | 宏碁股份有限公司 | Portable electron device |
| US10912213B2 (en) | 2017-12-27 | 2021-02-02 | Lg Display Co., Ltd. | Foldable display device maintaining a folding angle by magnetic force |
| TWI776007B (en) * | 2018-01-02 | 2022-09-01 | 仁寶電腦工業股份有限公司 | Electronic device, hinge assembly and augmented reality interaction process for electronic device |
| CN112470094A (en) * | 2018-05-25 | 2021-03-09 | 深圳市柔宇科技股份有限公司 | Angle transfer mechanism, connecting device and bendable terminal |
| TWI705322B (en) * | 2019-03-22 | 2020-09-21 | 緯創資通股份有限公司 | Foldable electronic device and device protection method |
| CN215058838U (en) * | 2020-12-09 | 2021-12-07 | 杭州安费诺飞凤通信部品有限公司 | Double-shaft synchronous hinge |
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| CN1578613A (en) * | 2003-06-25 | 2005-02-09 | 卡西欧计算机株式会社 | Foldable electronic device and cable distribution method thereof |
| CN202402461U (en) * | 2011-12-23 | 2012-08-29 | 连鋐科技股份有限公司 | Double-shaft hinging device with gear ratio |
| CN103148088A (en) * | 2011-12-06 | 2013-06-12 | 仁宝电脑工业股份有限公司 | Hinge mechanism and foldable electronic device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090070961A1 (en) * | 2007-09-17 | 2009-03-19 | Chia-Ko Chung | Simultaneous-rotating hinge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1578613A (en) * | 2003-06-25 | 2005-02-09 | 卡西欧计算机株式会社 | Foldable electronic device and cable distribution method thereof |
| CN103148088A (en) * | 2011-12-06 | 2013-06-12 | 仁宝电脑工业股份有限公司 | Hinge mechanism and foldable electronic device |
| CN202402461U (en) * | 2011-12-23 | 2012-08-29 | 连鋐科技股份有限公司 | Double-shaft hinging device with gear ratio |
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