CN104514801A - 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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- CN104514801A CN104514801A CN201310465298.9A CN201310465298A CN104514801A CN 104514801 A CN104514801 A CN 104514801A CN 201310465298 A CN201310465298 A CN 201310465298A CN 104514801 A CN104514801 A CN 104514801A
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- gear
- portable electronic
- hinge device
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- 230000007246 mechanism Effects 0.000 title abstract description 4
- 230000004907 flux Effects 0.000 claims description 20
- 230000008859 change Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 24
- 230000008901 benefit Effects 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
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Classifications
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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
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 relevant portable electronic devices thereof, especially relate to a kind of angle of swing and reach 360 deg, and there is the twin axle hinge device of low manufacture cost and the advantage of better appearance design and relevant portable electronic devices thereof.
Background technique
Traditional notebook computer utilizes hinge device to produce the start mechanism of screen end relative system end rotation.Refer to Fig. 1, Fig. 1 is the partial schematic diagram of a traditional hinge device 10 of prior art.Hinge device 10 has one first cam 12,1 second cam 14 and bridge joint wheel 16.First cam 12 and the second cam 14 are connected respectively to screen end 18 and the system end 20 of electronic equipment.As shown in Figure 1, when screen end 18 relative system end 20 is opened, the first cam 12 can rotate clockwise; Now the second cam 14 is actionless state.Until the first cam 12 rotates reach 180 degree, after allowing the depressed part 121 of the first cam 12 be entrenched in bridge joint wheel 16, bridge joint wheel 16 departs from the depressed part 141 of the second cam 14, and hinge device 10 can be rotated by relative system end 20 clockwise.Because two cams of hinge device 10 separately rotated independently of one another in the different operating stage, and need a default torque value between screen end 18 relative system end 20, so hinge device 10 will arrange the torsion springs that can reach this torque value all respectively at the first cam 12 and the second cam 14.Thus, the rotating shaft of traditional hinge device is easily damaged because of the buckling of high torque value, therefore can improve manufacture cost and reduce working life.
In addition, refer to Fig. 2, Fig. 2 is the partial schematic diagram of another traditional hinge device 30 of prior art.Hinge device 30 has the first gear 32 and the second gear 34.First gear 32 connects screen end 36, second gear 34 connected system end 38, and the first gear 32 is directly engaged in the second gear 34.When screen end 36 relative system end 38 is opened, screen end 36 drives the first gear 32 to rotate clockwise, and the first gear 32 draws the second gear 34 along counter clockwise direction synchronous rotary.Otherwise when screen end 36 relative system end 38 closes, then the first gear 32 is along counterclockwise rotating, the second gear 34 is synchronous rotary clockwise by the traction of the first gear 32.Because the first gear 32 of hinge device 30 directly engages the second gear 34, therefore the structure height that the size of two gears of hinge device 30 directly can correspond to screen end 36 and system end 38 is poor.For example, if notebook computer designs for large scale, hinge device 30 needs corresponding employing large scale gear; Notebook computer is thin design, the corresponding use small size gear of hinge device 30.In other words, for the notebook computer of different model, hinge device 30 will be arranged in pairs or groups and be arranged the gear of different size, therefore the structural volume of hinge device 30 also can change along with gear size.Therefore, traditional hinge device must design along with the model of notebook computer, has manufacture cost costliness, assembles inconvenient and that outward appearance is not good shortcoming.
Summary of the invention
The object of the present invention is to provide and a kind ofly there is the twin axle hinge device of low manufacture cost and the advantage of better appearance design and relevant portable electronic devices thereof, to solve the above problems.
For reaching above-mentioned purpose, the present invention discloses a kind of twin axle hinge device, is used for one first housing is rotated relative to one second housing.This twin axle hinge device includes at least one fixed block, one first rotating shaft, one first master gear, one second rotating shaft, one second master gear and a driving gear set.This fixed block comprises one first section and one second section.This first rotating shaft is arranged on this first section of this fixed block, and connects this first housing.This first master gear is arranged in this first rotating shaft in coaxial rotating mode.This second rotating shaft is arranged on this second section of this fixed block, and connects this second housing.This second master gear is arranged in this second rotating shaft in coaxial rotating mode.This driving gear set is engaged between this first master gear and this second master gear.When this first master gear rotates along a first direction, this driving gear set is drawn by this first master gear, and drives this second master gear along a second direction synchronous rotary of this first direction contrary.
The present invention separately discloses this twin axle hinge device and separately includes one first bolster and one second bolster.This first bolster is arranged at this first rotating shaft and this first housing affixed, and this second bolster is arranged at this second rotating shaft and this second housing affixed.
The present invention separately discloses this driving gear set and comprises one first driving gear and one second driving gear.This first driving gear is engaged in this first master gear and this second driving gear, and this second driving gear is engaged in this second master gear and this first driving gear.
The present invention separately discloses this first master gear when rotating along this first direction, and this first driving gear rotates along this second direction, and this second driving gear rotates along this first direction.
The present invention separately discloses this twin axle hinge device and separately includes multiple torsion elements, a bounding means and multiple friction pads.The plurality of torsion elements is sheathed on this first rotating shaft.This bounding means arranges this first rotating shaft and applies pressure to the plurality of torsion elements.The plurality of friction pads is arranged between this first master gear and this fixed block, between this torsion elements and this fixed block and between this torsion elements and this bounding means.
The number of teeth essence that the present invention separately discloses this first master gear is greater than 12, and the modulus essence of this first master gear is greater than 0.2 millimeter, and the pitch diameter of this first master gear is the multiplied value of this number of teeth and this modulus.
The number of teeth essence that the present invention separately discloses this first driving gear is greater than 8, and the modulus essence of this first driving gear is greater than 0.2 millimeter.
The crown essence that the present invention separately discloses this first master gear is greater than 0.2 millimeter, and the external diameter of this first master gear be this pitch diameter and twice crown add total value.
The diametral pitch that the present invention separately discloses this first master gear is the be divided by value of this number of teeth to this pitch diameter.
The crown essence that the present invention separately discloses this first master gear is greater than 0.2 millimeter, and this crown is the reciprocal value of this diametral pitch.
The present invention separately discloses a kind of portable electronic devices, and it includes one first housing, one second housing and a twin axle hinge device.This first housing connects this second housing can relatively rotate mode.This twin axle hinge device is arranged between this first housing and this second housing, is used for drawing this first housing and rotates relative to this second housing.This twin axle hinge device includes at least one fixed block, one first rotating shaft, one first master gear, one second rotating shaft, one second master gear and a driving gear set.This fixed block comprises one first section and one second section.This first rotating shaft is arranged on this first section of this fixed block, and connects this first housing.This first master gear is arranged in this first rotating shaft in coaxial rotating mode.This second rotating shaft is arranged on this second section of this fixed block, and connects this second housing.This second master gear is arranged in this second rotating shaft in coaxial rotating mode.This driving gear set is engaged between this first master gear and this second master gear.When this first master gear rotates along a first direction, this driving gear set is drawn by this first master gear, and drives this second master gear along a second direction synchronous rotary of this first direction contrary.
The present invention separately discloses this first housing along a preset direction when this twin axle hinge device rotates, and this twin axle hinge device drives this first housing along this preset direction this second housing synchronous axial system relatively.
The present invention separately discloses this portable electronic devices and separately includes a connecting line and a guard member.The two ends of this connecting line are electrically connected this first housing and this second housing respectively, and this connecting line wears the space between this twin axle hinge device and this first housing.This guard member is covered on this twin axle hinge device and this connecting line.
The gear ratio that the present invention separately discloses this first master gear and this second master gear is 1, and the line of centers essence of this first master gear and this second master gear is parallel to the planar process vector of this second housing.
The gear ratio that the present invention separately discloses this first master gear and this second master gear is 0.8, and the line of centers of this first master gear and this second master gear is 10 degree relative to the angle essence of the planar process vector of this second housing.
The gear ratio that the present invention separately discloses this first master gear and this second master gear is 0.6, and the line of centers of this first master gear and this second master gear is 22.5 degree relative to the angle essence of the planar process vector of this second housing.
The gear ratio that the present invention separately discloses this first master gear and this second master gear is 0.5, and the line of centers of this first master gear and this second master gear is 30 degree relative to the angle essence of the planar process vector of this second housing.
The gear ratio that the present invention separately discloses this first master gear and this second master gear is 0.92, and the line of centers of this first master gear and this second master gear is 3.75 degree relative to the angle essence of the planar process vector of this second housing.
The present invention separately discloses this portable electronic devices and also comprises a magnetic quantity transducer, is arranged at this first housing or this second housing.This twin axle hinge device separately comprises a magnetic element, to be arranged on this fixed block and this sensor contiguous.The rotation of this first housing can change the relative position of this magnetic element and this magnetic quantity transducer.This magnetic quantity transducer is used for responding to the Magnetic flux density that this magnetic element produces, and exports a switching signal according to this flux density magnitude.
The present invention separately discloses this magnetic quantity transducer when judging that this Magnetic flux density is greater than a threshold value, and this switching signal closes the self-turnover of a display surface of this second housing, and starts the operating function of an inputting interface of this second housing.When this magnetic quantity transducer judges that this Magnetic flux density is less than this threshold value, this switching signal starts the self-turnover of this display surface, and closes the operating function of this inputting interface.
The present invention separately discloses this magnetic element and has one first relative magnetic pole and one second magnetic pole.This magnetic element with this second magnetic pole for axle center rotates relative to this magnetic quantity transducer, to change the relative distance of this first magnetic pole and this magnetic quantity transducer.
The present invention separately discloses this magnetic element and has one first relative magnetic pole and one second magnetic pole.This magnetic element is with the boundary of this first magnetic pole and this second magnetic pole for axle center rotates, and this Magnetic flux density of this magnetic quantity transducer induction changes along with the angle of swing of this magnetic element.
The present invention need not arrange the torsion springs with total torque value in two rotating shafts, torsion needed for twin axle hinge device of the present invention designs in the first rotating shaft and the second rotating shaft with dividing equally, meaning i.e. the first rotating shaft and the second rotating shaft arranges the torsion elements only with half torque value respectively, so can effectively avoid each element of twin axle hinge device to damage because applying excessive external force.In addition, the present invention can be widely used in the portable electronic devices of arbitrary dimension.Gear due to twin axle hinge device is common size, need not change gear size along with the volume of portable electronic devices, therefore still can keep the small and exquisite outward appearance of twin axle hinge device.The present invention configures multiple driving gear between two master gears of twin axle hinge device, changed by the relative position of driving gear, such as be staggered or linear array, the overall structure height of twin axle hinge device can be adjusted expediently, be applicable to the portable electronic devices of any model.Magnetic element changes the distance of its relative magnetic quantity transducer along with the rotation of twin axle hinge device, magnetic quantity transducer switches according to the change in magnetic flux density of induction gained, with a power mode of the portable electronic devices that automatically switches and touch panel pattern between operating point and point of release.Twin axle hinge device of the present invention and portable electronic devices have assembling easy, with low cost, high working life and operation smoothness advantage easily.
Accompanying drawing explanation
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 the schematic diagram of 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 is the vertical figure of group of the twin axle hinge device of the embodiment of the present invention;
Fig. 8 A and Fig. 8 B is 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 is 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 is 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 is 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 is 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 is respectively the partial schematic diagram of portable electronic devices in the different operating stage of the embodiment of the present invention;
Figure 14 is the partial schematic diagram of the present invention's 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 quantity transducer;
Figure 16 is the partial schematic diagram of the portable electronic devices of another embodiment of the present invention.
Symbol description
10,30 hinge devices
12 first cams
121 depressed parts
14 second cams
141 depressed parts
16 bridge joint wheels
18,36 screen ends
20,38 system ends
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 fixed blocks
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 set
721 first driving gears
723 second driving gears
74 first bolsters
76 second bolsters
78 torsion elements
80 bounding meanss
82 friction padss
84,84 ' magnetic element
86 magnetic quantity transducers
88 processors
D1 first direction
D2 second direction
The N number of teeth
M modulus
D pitch diameter
S crown
D ' external diameter
P diametral pitch
The line of centers of L master gear
The planar process vector of V second housing
Embodiment
Refer to Fig. 3 to Fig. 5, Fig. 3 is the schematic diagram of a portable electronic devices 50 of the embodiment of the present invention, and Fig. 4 and Fig. 5 is respectively the portable electronic devices 50 of the embodiment of the present invention in the schematic diagram of different operation modes.Portable electronic devices 50 includes one first housing 52,1 second housing 54 and two twin axle hinge devices 56.Portable electronic devices 50 can be notebook computer, and the first housing 52 is screen end, and the second housing 54 is system end.Two twin axle hinge devices 56 are separately positioned between the first housing 52 and the second housing 54, make the first housing 52 that twin axle hinge device 56 can be utilized to rotate relative to the second housing 54.The present invention can be not limited to use two twin axle hinge devices 56, looks closely actual demand and determines.Twin axle hinge device 56 utilizes gear to draw, and the rotating range of relative second housing 54 of the first housing 52 is between zero degree to 360 deg.
Portable electronic devices 50 switches its operator scheme according to the angle of swing of relative second housing 54 of the first housing 52.For example, as shown in Figure 3, the first housing 52 of portable electronic devices 50 and the second housing 54 respectively with its display surface 521 and inputting interface 541 towards user, now portable electronic devices 50 is the using forestland of notebook computer.Wherein, display surface 521 is the display floater of screen end, and inputting interface 541 is keyboard or the touch control board of system end.As shown in Figure 4, the display surface 521 of the first housing 52 towards user, inputting interface 541 user dorsad of the second housing 54, but between relative second housing 54 of the first housing 52, there is a clamping angle; Now portable electronic devices 50 is the pattern of standing of touch panel.Wherein, the first housing 52 is required 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 the second housing 54 is directly attached to the back side of the first housing 52, meaning i.e. parallel second housing 54 of the first housing 52 essence, and now portable electronic devices 50 is the plate mode of touch panel.
As shown in Figure 3, portable electronic devices 50 separately can include connecting line 58 and a guard member 60.The two ends of connecting line 58 have joint, are electrically connected to the electronic component of the first housing 52 and the second housing 54 respectively, so that the electronic signal of system end is passed to screen end.Connecting line 58 is arranged on the space between twin axle hinge device 56 and adjacent housings, as long as the position that gear can not be hindered to run all can arrange connecting line 58.Guard member 60 has function that is dust-proof and decoration, is used for covering twin axle hinge device 56 with on connecting line 58.Guard member 60 can prevent dust or foreign matter from snapping in the gear of twin axle hinge device 56, smooth and easy to guarantee the running of twin axle hinge device 56, and guard member 60 separately can have the function of covering twin axle hinge device 56, to beautify the outward appearance of portable electronic devices 50.
Refer to Fig. 6 and Fig. 7, 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 group of the twin axle hinge device 56 of the embodiment of the present invention.Twin axle hinge device 56 includes multiple fixed block 62,1 first rotating shaft 64,1 first master gear 66,1 second rotating shaft 68,1 second master gear 70, driving gear set 72,1 first bolster 74,1 second bolster 76, multiple torsion elements 78, two bounding means 80 and multiple friction pads 82.Guard member 60 can be fixed therein on a fixed block 62, to reach the object of covering twin axle hinge device 56.In addition, the first rotating shaft 64, second rotating shaft 68 and partial frictional pad 82 are arranged on wherein between two of multiple fixed block 62.Torsion elements 78, bounding means 80 and partial frictional pad 82 are separately arranged on wherein between two of multiple fixed block 62.Fixed block 62 is a galleyproof type structure, is divided into one first section 621 and one second section 623, is used for respectively configuring the elements such as corresponding rotating shaft, gear and bolster according to upper-lower position, isolates adjacent element thus with the phenomenon preventing recurring structure from interfering.
First rotating shaft 64 is arranged between the first section 621 of two adjacent fixed blocks 62.One of them fixed block 62 is protruded in first rotating shaft 64 of part, and connects the first housing 52.First master gear 66 utilizes a wedge type borehole jack to establish the first rotating shaft 64, and the first master gear 66 is set in the first rotating shaft 64 in coaxial rotating mode.Similarly, the second rotating shaft 68 also relative set connects the second housing 54 between the second section 623 of fixed block 62, and the second master gear 70 also utilizes wedge type borehole jack to establish in the second rotating shaft 68, to reach the object of coaxial rotating.Driving gear set 72 can be made up of even number small gear, and the gear size of meaning and driving gear set 72 is less than the size of master gear.For example, driving gear set 72 at least can comprise one first driving gear 721 and one second driving gear 723, first driving gear 721 is engaged between the first master gear 66 and the second driving gear 723, and the second driving gear 723 is engaged between the second master gear 70 and the first driving gear 721.Because driving gear set 72 is engaged between the 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 is drawn by the first master gear 66, and the second master gear 70 can be driven along a second direction D2 synchronous rotary of contrary first direction D1.
As shown in Figures 6 and 7, multiple torsion elements 78 is set in the first rotating shaft 64 and the second rotating shaft 68 respectively, and torsion elements 78 is spring washer, is used to provide friction to produce torsion.Bounding means 80 can be nut, and two bounding meanss 80 are separately positioned on one end of the first rotating shaft 64 and the second rotating shaft 68.Bounding means 80 is arranged in rotating shaft with locking mode usually, and multiple torsion elements 78 of exerting pressure thus is to produce corresponding torsion.Torque magnitude can change in the sealed degree of depth of rotating shaft along with bounding means 80.Multiple friction pads 82 is separately positioned between the first master gear 66 to adjacent fixed block 62, between the second master gear 70 and adjacent fixed block 62, between each torsion elements 78 and adjacent fixed block 78 and between each torsion elements 78 and corresponding bounding means 80.The abrasion between element are avoided in the effect of friction pads 82.In order to allow twin axle hinge device 56 stable engagement first housing 52 and the second housing 54, first bolster 74 and the second bolster 76 be separately positioned in the first rotating shaft 64 and the second rotating shaft 68, with affixed first housing 52 and the second housing 54.Bolster can be set directly at one end that rotating shaft protrudes from fixed block 62, as the second bolster 76; Or rotating shaft separately has an extension part for bolster link, as the first bolster 74 at this end protruding fixed block 62.Right reality uses aspect to be not limited thereto, and looks closely design requirement and determines.
Refer to the internal structure schematic diagram that Fig. 8 A and Fig. 8 B, Fig. 8 A and Fig. 8 B is the twin axle hinge device 56 of different embodiments of the invention.The size of the first master gear 66 and the second master gear 70 is preferably greater than the size of the first driving gear 721 and the second driving gear 723.The scale visual design requirement essence of the first master gear 66 is greater than, is less than or equal to the size of the second master gear 70, its relevant enforcement aspect will in after chat bright.When the first master gear 66 rotates along first direction D1, the first driving gear 721 rotates along second direction D2, and the second driving gear 723 rotates along first direction D1, produces synchronous rotary to drive the second master gear 70 along second direction D2.The overall structure height of the relative position change adjustable twin axle hinge device 56 of driving gear.
As shown in Figure 8 A, the first driving gear 721 and the second driving gear 723 are crisscross arranged between the first master gear 66 and the second master gear 70, and now the structure height of twin axle hinge device 56 is less, is applicable to slim portable electronic devices 50.On the other hand, in order to coordinate the portable electronic devices 50 of different model, first housing 52 and the second housing 54 may need larger space, then twin axle hinge device 56 of the present invention need not change the size of master gear and driving gear, only need the ornaments position adjusting driving gear set 72.As shown in Figure 8 B, first driving gear 721 and the second driving gear 723 are arranged on as the crow flies on the line of centers L of the first master gear 66 and the second master gear 70, make twin axle hinge device 56 can have higher structure height, be useful in large-sized portable electronic devices 50.
It is worth mentioning that, each gear of twin axle hinge device 56 has the restriction of its optimization size.For example, the number N of teeth of the first master gear 66 (or second master gear 70) is preferably greater than 12, and the modulus M of the first master gear 66 (or second master gear 70) is preferably greater than 0.2 millimeter; The number N of teeth of the first driving gear 721 (or second driving gear 723) is preferably greater than 8, and the modulus M of the first driving gear 721 (or second driving gear 723) is preferably greater than 0.2 millimeter.Thus, the present invention can under the restrictive condition of aforementioned number N of teeth and modulus M, the parameters of follow following formula to design master gear that twin axle hinge device 56 uses and driving gear:
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 essence of master gear and driving gear equals the value that counts that its number N of teeth is multiplied by its modulus M, as formula 1.The size of pitch diameter D need be designed at least can encase rotating shaft and still have a sufficient intensity.Pitch diameter D is better is greater than 4 millimeters, but the size of its respective axes of rotation and changing.Modulus M is the size that master gear is meshed with driving gear, needs absorb tolerance and have sufficient intensity.The crown S of master gear and driving gear is preferably greater than 0.2 millimeter, can avoid being engaged between gear and really not cause the mistake of idle stroke.Correspondingly, the outer diameter D of master gear and driving gear ' then essence equal the value that counts that its pitch diameter D adds its twice crown S, as formula 2.In addition, the diametral pitch P essence of master gear and driving gear is equal to the count value of its number N of teeth divided by its pitch diameter D, and crown S essence can equal the reciprocal value of diametral pitch P, as formula 3 and formula 4.Thus, according to above-mentioned formula and dimension reference value design gear, just can guarantee that the first master gear 66 and the second master gear 70 have enough structural strengths to bear torque value needed for twin axle hinge device 56, and driving gear set 72 Absorbable organic halogens is engaged between the first master gear 66 and the second master gear 70, make the change of the angle of swing of the first master gear 66 correctly synchronously can correspond to the angle of swing change of the second master gear 70.
Can have different gear ratios along with between the first master gear 66 of twin axle hinge device 56 and the second master gear 70, the angle of swing ratio of relative second master gear 70 of the first master gear 66 is also different.As long as the number of teeth of the first master gear 66 and the second master gear 70 is divided by, value is integer (not having the numerical value of Infinite Cyclic), and its gear ratio is all applicable to twin axle hinge device 56 of the present invention.As shown in Figure 8, the gear ratio of relative second master gear 70 of the first master gear 66 is 1, and therefore within the unit time, the angle of swing essence of the first master gear 66 is same as the angle of swing of the second master gear 70.When portable electronic devices 50 will be switched to the plate mode of the touch panel shown in Fig. 5 from the notebook computer pattern shown in Fig. 3, first housing 52 (screen end) rotates 180 degree, and the second housing 54 (system end) similarly rotates 180 degree.Because the first housing 52 is synchronous and identical with the angle of swing essence of the second housing 54, therefore twin axle hinge device 56 is arranged between screen end and system end in the mode of the planar process of parallel second housing 54 of line of centers L essence of the first master gear 66 and the second master gear 70 vector V, guarantees the use fluency of portable electronic devices 50 thus.Other several implement aspect as described below.
Refer to the part-structure schematic diagram that Fig. 9 A and Fig. 9 B, Fig. 9 A and Fig. 9 B is the twin axle hinge device 56 of another embodiment of the present invention.The gear ratio of the 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 is greater than the second master gear 70, when portable electronic devices 50 switches mutually from the using forestland of notebook computer and the plate mode of touch panel, the maximum angle of swing of the first housing 52 (screen end) is a degrees, and the maximum angle of swing of the second housing 54 (system end) is 200 degree; As shown in Figure 9 B, when the first master gear 66 is less than the second master gear 70, when portable electronic devices 50 switches mutually from the using forestland of notebook computer and the plate mode of touch panel, then the maximum angle of swing of the first housing 52 (screen end) is 200 degree, and the maximum angle of swing of the second housing 54 (system end) is a degrees.Position after first housing 52 and the second housing 54 overturn is as shown in the dotted line frame-type of Fig. 9 A and Fig. 9 B.In response to the change of gear ratio, the mode that the twin axle hinge device 56 of the present embodiment is 10 degree of angles with the planar process vector V essence of relative second housing 54 of line of centers L of the first master gear 66 and the second master gear 70 is arranged between screen end and system end.
Refer to the part-structure schematic diagram that Figure 10 A and Figure 10 B, Figure 10 A and Figure 10 B is the twin axle hinge device 56 of another embodiment of the present invention.The gear ratio of the first master gear 66 and the second master gear 70 can be 0.6.As shown in Figure 10 A, when the first master gear 66 is greater than the second master gear 70, when portable electronic devices 50 switches mutually from the using forestland of notebook computer and the plate mode of touch panel, the maximum angle of swing of the first housing 52 (screen end) is 135 degree, and the maximum angle of swing of the second housing 54 (system end) is 225 degree; As shown in Figure 10 B, when the first master gear 66 is less than the second master gear 70, when portable electronic devices 50 switches mutually from the using forestland of notebook computer and the plate mode of touch panel, then the maximum angle of swing of the first housing 52 (screen end) is 225 degree, and the maximum angle of swing of the second housing 54 (system end) is 135 degree.Position after first housing 52 and the second housing 54 overturn is as shown in the dotted line frame-type of the 10th figure.The mode that the twin axle hinge device 56 of this embodiment is 22.5 degree of angles with the planar process vector V essence of relative second housing 54 of line of centers L of the first master gear 66 and the second master gear 70 is arranged between screen end and system end.
Refer to the part-structure schematic diagram that Figure 11 A and Figure 11 B, Figure 11 A and Figure 11 B is the twin axle hinge device 56 of another embodiment of the present invention.The gear ratio of the first master gear 66 and the second master gear 70 can be 0.5.As shown in Figure 11 A, when the first master gear 66 is greater than the second master gear 70, when portable electronic devices 50 switches mutually from the using forestland of notebook computer and the plate mode of touch panel, the maximum angle of swing of the first housing 52 (screen end) is 120 degree, and the maximum angle of swing of the second housing 54 (system end) is 240 degree; On the other hand, as shown in Figure 11 B, when the first master gear 66 is less than the second master gear 70, when portable electronic devices 50 switches mutually from the using forestland of notebook computer and the plate mode of touch panel, then the maximum angle of swing of the first housing 52 (screen end) is 240 degree, and the maximum angle of swing of the second housing 54 (system end) is 120 degree.First housing 52 and the second postrotational position of housing 54 are as shown in the dotted line frame-type of Figure 11 A and Figure 11 B.The mode that the twin axle hinge device 56 of the present embodiment is 30 degree of angles with the planar process vector V essence of relative second housing 54 of line of centers L of the first master gear 66 and the second master gear 70 is arranged between screen end and system end.
Refer to the part-structure schematic diagram that Figure 12 A and Figure 12 B, Figure 12 A and Figure 12 B is the twin axle hinge device 56 of another embodiment of the present invention.The gear ratio of the first master gear 66 and the second master gear 70 can be 0.92.As illustrated in fig. 12, when the first master gear 66 is greater than the second master gear 70, when portable electronic devices 50 switches mutually from the using forestland of notebook computer and the plate mode of touch panel, the maximum angle of swing of the first housing 52 (screen end) is 15 degree, and the maximum angle of swing of the second housing 54 (system end) is 15 degree; As shown in Figure 12 B, when the first master gear 66 is less than the second master gear 70, when portable electronic devices 50 switches mutually from the using forestland of notebook computer and the plate mode of touch panel, then the maximum angle of swing of the first housing 52 (screen end) is 15 degree, and the maximum angle of swing of the second housing 54 (system end) is 15 degree.First housing 52 and the second postrotational position of housing 54 are as shown in the dotted line frame-type of Figure 12 A and Figure 12 B.The mode that the twin axle hinge device 56 of the present embodiment is 3.75 degree of angles with the planar process vector V essence of relative second housing 54 of line of centers L of the first master gear 66 and the second master gear 70 is arranged between screen end and system end.
Comprehensive, driving gear set 72 is arranged between the first master gear 66 and the second master gear 70 by twin axle hinge device 56 of the present invention, when the first master gear 66 rotates along a specific direction (such as first direction D1), driving gear set 72 can drive the second master gear 70 along other direction (the such as second direction D2) synchronous rotary of this specific direction contrary.From the overall appearance of portable electronic devices 50, user is when unlatching the first housing 52, and the first housing 52 can rotate along a preset direction (such as first direction D1) relative to twin axle hinge device 56; Simultaneously, twin axle hinge device 56 along relative second housing 54 synchronous rotary of this preset direction, can make the first housing 52 to launch by relative second housing 54 because of the rotation of the first housing 52.Wherein, the angle of the planar process vector V of the first master gear 66 second housing 54 relative to the line of centers L of the second master gear 70 can be not limited to described in above-described embodiment, looks closely design requirement and determines; The maximum angle of swing of screen end and system end also corresponding line of centers L and planar process vector V angle and change, chat bright no longer in detail in this.
Refer to Figure 13 A to Figure 13 G, Figure 13 A to Figure 13 G is the partial schematic diagram of portable electronic devices 50 in the different operating stage of the embodiment of the present invention.In figure 13a, portable electronic devices 50 is in the closed mode of notebook computer.Then, as Figure 13 A to Figure 13 C, the first housing 52 of portable electronic devices 50 launches the using forestland switching to notebook computer.Then, as Figure 13 C to Figure 13 F, the first housing 52 increases the flip angle of its relative second housing 54 further, portable electronic devices 50 to be switched to the pattern of standing of touch panel.Finally, as shown in Figure 13 F to Figure 13 G, the back side of the first housing 52 is resisted against the back side of the second housing 54, makes portable electronic devices 50 switch to the plate mode of touch panel.
Refer to Figure 14, Figure 14 is the partial schematic diagram of the present invention's wherein portable electronic devices 50 of an embodiment.The using forestland of portable electronic devices 50 changes with the relative rotation of the second housing 54 along with the first housing 52, therefore the function of display surface 521 and inputting interface 541 also switches along with the start of twin axle hinge device 56.Twin axle hinge device 56 separately can comprise a magnetic element 84, is arranged on fixed block 62.Magnetic element 84 has the first relative magnetic pole N and the second magnetic pole S, and is galleyproof type structure.Portable electronic devices 50 also comprises a magnetic quantity transducer 86, is arranged on the first housing 52 or the second housing 54.This sentences the magnetic quantity transducer 86 being arranged on the second housing 54 is example.Magnetic quantity transducer 86 can be Hall sensor (Hall IC), is arranged on the position of contiguous magnetic element 84, and exportable signal is to drive the processor 88 of portable electronic devices 50.First housing 52 is relative with the second housing 54 when rotating, and magnetic element 84 for rotating relative to magnetic quantity transducer 86 in axle center, changes the relative distance of the first magnetic pole N and magnetic quantity transducer 86 with the second magnetic pole S thereupon.Magnetic quantity transducer 86 just can export according to the change of Magnetic flux density the switching signal controlling display surface 521 or inputting interface 541.
When the angle of swing essence of magnetic element 84 is between 0 ~ 90 degree, the angle of swing essence of relative second housing 54 of the first housing 52 is between 0 ~ 180 degree, and portable electronic devices 50 is a power mode.When the angle of swing essence of magnetic element 84 is between 90 ~ 180 degree, the angle of swing essence of relative second housing 54 of the first housing 52 is between 180 ~ 360 degree, and portable electronic devices 50 is touch panel pattern.Therefore, when magnetic element 84 forwards the scope of about slightly 90 degree to, the Magnetic flux density that magnetic quantity transducer 86 is responded to is minimum, and processor 88 can according to the operator scheme of the switching signal automatic switchover portable electronic devices 50 of magnetic quantity transducer 86.
Refer to Figure 15, Figure 15 is the magnetic element 84 of the embodiment of the present invention and the start graph of a relation of magnetic quantity transducer 86.Start relation described in Figure 15 is applicable to the portable electronic devices 50 shown in Figure 14.When twin axle hinge device 56 (or magnetic element 84) forwards the scope of 87 ~ 108.3 degree clockwise to from 0 degree, the Magnetic flux density that magnetic quantity transducer 86 is responded to progressively declines from positive peak and is less than 2.2Tesla, and magnetic quantity transducer 86 can switch to point of release (release point) by operating point (operation point).Magnetic quantity transducer 86 output switching signal, with the operating function of the self-turnover and closedown inputting interface 541 that are started display surface 521 by processor 88, portable electronic devices 50 is switched to touch panel pattern.On the other hand, when twin axle hinge device 56 (or magnetic element 84) is along the scope counterclockwise forwarding 95.4 ~ 74 degree from 180 degree to, the Magnetic flux density that magnetic quantity transducer 86 is responded to promotes gradually from negative peak and is greater than 3.0Tesla, magnetic quantity transducer 86 switches to operating point by point of release, its switching signal exported can be closed the self-turnover of display surface 521 and starts the operating function of inputting interface 541 by Trigger processor 88, and portable electronic devices 50 is switched to a power mode.
Special one carries, and the scope of threshold value is determined according to magnetic element 84 and the character of magnetic quantity transducer 86, and in the present embodiment, threshold value is better to be designed between 2.2 ~ 3.0Tesla, is so not limited thereto.The switching characteristic of magnetic quantity transducer 86, twin axle hinge device 56 is used for triggering the special angle of magnetic quantity transducer 86, and the magnetic pole aspect of magnetic element 84 is neither limited to described in above-described embodiment, looks closely design requirement and determines.
Refer to Figure 16, Figure 16 is the partial schematic diagram of the portable electronic devices 50 of another embodiment of the present invention.In this embodiment, with the element with identical numbering embodiment illustrated in fig. 14, there is identical structure and fuction, in this no longer repeat specification.The difference of this embodiment and previous embodiment is, 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 and form ring-like magnetic element 84 '.Magnetic element 84 ' can the boundary of the first magnetic pole N and the second magnetic pole S be that axle center rotates.When the first magnetic pole N of magnetic element 84 ' or the second magnetic pole S forward are in the face of magnetic quantity transducer 86, magnetic quantity transducer 86 can sense larger Magnetic flux density.When magnetic element 84 ' along with twin axle hinge device 56 forwards the essence about slightly angle of 90 degree to, now the Magnetic flux density responded to of magnetic quantity transducer 86 is minimum and can switch between operating point and point of release.Such as: when magnetic element 84 ' forwards from 0 degree the position being greater than 90 degree to clockwise, magnetic quantity transducer 86 activates the processor 88 of portable electronic devices 50, makes processor 88, according to the change of Magnetic flux density, portable electronic devices 50 be switched to touch panel pattern.When magnetic element 84 ' forwards along the position counterclockwise from 180 degree the position being less than 90 degree to, portable electronic devices 50 is switched to a power mode with the change according to Magnetic flux density by magnetic quantity transducer 86 disposer activation 88.
To compare prior art, the present invention need not arrange the torsion springs with total torque value in two rotating shafts, torsion needed for twin axle hinge device of the present invention designs in the first rotating shaft and the second rotating shaft with dividing equally, meaning i.e. the first rotating shaft and the second rotating shaft arranges the torsion elements only with half torque value respectively, so can effectively avoid each element of twin axle hinge device to damage because applying excessive external force.In addition, the present invention can be widely used in the portable electronic devices of arbitrary dimension.Gear due to twin axle hinge device is common size, need not change gear size along with the volume of portable electronic devices, therefore still can keep the small and exquisite outward appearance of twin axle hinge device.The present invention configures multiple driving gear between two master gears of twin axle hinge device, changed by the relative position of driving gear, such as be staggered or linear array, the overall structure height of twin axle hinge device can be adjusted expediently, be applicable to the portable electronic devices of any model.Magnetic element changes the distance of its relative magnetic quantity transducer along with the rotation of twin axle hinge device, magnetic quantity transducer switches according to the change in magnetic flux density of induction gained, with a power mode of the portable electronic devices that automatically switches and touch panel pattern between operating point and point of release.Twin axle hinge device of the present invention and portable electronic devices have assembling easy, with low cost, high working life and operation smoothness advantage easily.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the claims in the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (37)
1. a twin axle hinge device, be used for one first housing is rotated relative to one second housing, this twin axle hinge device includes:
At least one fixed block, comprises the first section and the second section;
First rotating shaft, is arranged on this first section of this fixed block, and connects this first housing;
First master gear, is arranged in this first rotating shaft in coaxial rotating mode;
Second rotating shaft, is arranged on this second section of this fixed block, and connects this second housing;
Second master gear, is arranged in this second rotating shaft in coaxial rotating mode; And
Driving gear set, be engaged between this first master gear and this second master gear, when this first master gear rotates along a first direction, this driving gear set is drawn by this first master gear, and drives this second master gear along a second direction synchronous rotary of this first direction contrary.
2. twin axle hinge device as claimed in claim 1, wherein this twin axle hinge device separately includes:
First bolster, is arranged at this first rotating shaft and this first housing affixed; And
Second bolster, is arranged at this second rotating shaft and this second housing affixed.
3. twin axle hinge device as claimed in claim 2, wherein this driving gear set comprises the first driving gear and the second driving gear, this first driving gear is engaged in this first master gear and this second driving gear, and this second driving gear is engaged in this second master gear and this first driving gear.
4. twin axle hinge device as claimed in claim 3, when wherein this first master gear rotates along this first direction, this first driving gear rotates along this second direction, and this second driving gear rotates along this first direction.
5. twin axle hinge device as claimed in claim 4, wherein this twin axle hinge device separately includes:
Multiple torsion elements, is sheathed on this first rotating shaft;
Bounding means, arranges this first rotating shaft and applies pressure to the plurality of torsion elements; And
Multiple friction pads, is arranged between this first master gear and this fixed block, between this torsion elements and this fixed block and between this torsion elements and this bounding means.
6. twin axle hinge device as claimed in claim 4, wherein the number of teeth essence of this first master gear is greater than 12, and the modulus essence of this first master gear is greater than 0.2 millimeter, and the pitch diameter of this first master gear is the multiplied value of this number of teeth and this modulus.
7. twin axle hinge device as claimed in claim 3, wherein the number of teeth essence of this first driving gear is greater than 8, and the modulus essence of this first driving gear is greater than 0.2 millimeter.
8. twin axle hinge device as claimed in claim 6, wherein the crown essence of this first master gear is greater than 0.2 millimeter, and the external diameter of this first master gear be this pitch diameter and twice crown add total value.
9. twin axle hinge device as claimed in claim 6, wherein the diametral pitch of this first master gear is the be divided by value of this number of teeth to this pitch diameter.
10. twin axle hinge device as claimed in claim 9, wherein the crown essence of this first master gear is greater than 0.2 millimeter, and this crown is the reciprocal value of this diametral pitch.
11. twin axle hinge devices as claimed in claim 5, wherein the gear ratio of this first master gear and this second master gear is 1,0.92,0.8,0.6 or 0.5.
12. twin axle hinge devices as claimed in claim 1, wherein the gear ratio of this first master gear and this second master gear is 1,0.92,0.8,0.6 or 0.5.
13. twin axle hinge devices as claimed in claim 1, wherein the number of teeth essence of this first master gear is greater than 12, and the modulus essence of this first master gear is greater than 0.2 millimeter, and the pitch diameter of this first master gear is the multiplied value of this number of teeth and this modulus.
14. twin axle hinge devices as claimed in claim 13, wherein the crown essence of this first master gear is greater than 0.2 millimeter, and the external diameter of this first master gear be this pitch diameter and twice crown add total value.
15. twin axle hinge devices as claimed in claim 13, wherein the diametral pitch of this first master gear is the be divided by value of this number of teeth to this pitch diameter.
16. twin axle hinge devices as claimed in claim 15, wherein the crown essence of this first master gear is greater than 0.2 millimeter, and this crown is the reciprocal value of this diametral pitch.
17. 1 kinds of portable electronic devices, it includes:
First housing;
Second housing, this first housing connects this second housing can relatively rotate mode; And
Twin axle hinge device, is arranged between this first housing and this second housing, and be used for drawing this first housing and rotate relative to this second housing, this twin axle hinge device includes:
At least one fixed block, comprises the first section and the second section;
First rotating shaft, is arranged on this first section of this fixed block, and connects this first housing;
First master gear, is arranged in this first rotating shaft in coaxial rotating mode;
Second rotating shaft, is arranged on this second section of this fixed block, and connects this second housing;
Second master gear, is arranged in this second rotating shaft in coaxial rotating mode; And
Driving gear set, be engaged between this first master gear and this second master gear, when this first master gear rotates along a first direction, this driving gear set is drawn by this first master gear, and drives this second master gear along a second direction synchronous rotary of this first direction contrary.
18. portable electronic devices as claimed in claim 17, wherein this first housing is along a preset direction when this twin axle hinge device rotates, and this twin axle hinge device drives this first housing along this preset direction this second housing synchronous axial system relatively.
19. portable electronic devices as claimed in claim 17, it separately includes:
Connecting line, the two ends of this connecting line are electrically connected this first housing and this second housing respectively, and this connecting line wears the space between this twin axle hinge device and this first housing; And
Guard member, is covered on this twin axle hinge device and this connecting line.
20. portable electronic devices as claimed in claim 17, wherein this twin axle hinge device separately includes:
First bolster, is arranged at this first rotating shaft and this first housing affixed; And
Second bolster, is arranged at this second rotating shaft and this second housing affixed.
21. portable electronic devices as claimed in claim 17, wherein this driving gear set comprises the first driving gear and the second driving gear, this first driving gear is engaged in this first master gear and this second driving gear, and this second driving gear is engaged in this second master gear and this first driving gear.
22. portable electronic devices as claimed in claim 21, when wherein this first master gear rotates along this first direction, this first driving gear rotates along this second direction, and this second driving gear rotates along this first direction.
23. portable electronic devices as claimed in claim 17, wherein this twin axle hinge device separately includes:
Multiple torsion elements, is sheathed on this first rotating shaft;
Bounding means, arranges this first rotating shaft and applies pressure to the plurality of torsion elements; And
Multiple friction pads, is arranged between this first master gear and this fixed block, between this torsion elements and this fixed block and between this torsion elements and this bounding means.
24. portable electronic devices as claimed in claim 17, wherein the number of teeth essence of this first master gear is greater than 12, and the modulus essence of this first master gear is greater than 0.2 millimeter, and the pitch diameter of this first master gear is the multiplied value of this number of teeth and this modulus.
25. portable electronic devices as claimed in claim 21, wherein the number of teeth essence of this first driving gear is greater than 8, and the modulus essence of this first driving gear is greater than 0.2 millimeter.
26. portable electronic devices as claimed in claim 24, wherein the crown essence of this first master gear is greater than 0.2 millimeter, and the external diameter of this first master gear be this pitch diameter and twice crown add total value.
27. portable electronic devices as claimed in claim 24, wherein the diametral pitch of this first master gear is the be divided by value of this number of teeth to this pitch diameter.
28. portable electronic devices as claimed in claim 27, wherein the crown essence of this first master gear is greater than 0.2 millimeter, and this crown is the reciprocal value of this diametral pitch.
29. portable electronic devices as claimed in claim 17, wherein the gear ratio of this first master gear and this second master gear is 1, and the line of centers essence of this first master gear and this second master gear is parallel to the planar process vector of this second housing.
30. portable electronic devices as claimed in claim 17, wherein the gear ratio of this first master gear and this second master gear is 0.8, and the line of centers of this first master gear and this second master gear is 10 degree relative to the angle essence of the planar process vector of this second housing.
31. portable electronic devices as claimed in claim 17, wherein the gear ratio of this first master gear and this second master gear is 0.6, and the line of centers of this first master gear and this second master gear is 22.5 degree relative to the angle essence of the planar process vector of this second housing.
32. portable electronic devices as claimed in claim 17, wherein the gear ratio of this first master gear and this second master gear is 0.5, and the line of centers of this first master gear and this second master gear is 30 degree relative to the angle essence of the planar process vector of this second housing.
33. portable electronic devices as claimed in claim 17, wherein the gear ratio of this first master gear and this second master gear is 0.92, and the line of centers of this first master gear and this second master gear is 3.75 degree relative to the angle essence of the planar process vector of this second housing.
34. portable electronic devices as claimed in claim 17, wherein this portable electronic devices also comprises a magnetic quantity transducer, be arranged at this first housing or this second housing, this twin axle hinge device separately comprises a magnetic element, this magnetic element is arranged on this fixed block and this sensor contiguous, the rotation of this first housing changes the relative position of this magnetic element and this magnetic quantity transducer, this magnetic quantity transducer is used for responding to the Magnetic flux density that this magnetic element produces, and exports a switching signal according to this flux density magnitude.
35. portable electronic devices as claimed in claim 34, when wherein this magnetic quantity transducer judges that this Magnetic flux density is greater than a threshold value, this switching signal closes the self-turnover of a display surface of this second housing, and start the operating function of an inputting interface of this second housing, when this magnetic quantity transducer judges that this Magnetic flux density is less than this threshold value, this switching signal starts the self-turnover of this display surface and closes the operating function of this inputting interface.
36. portable electronic devices as claimed in claim 34, wherein this magnetic element has the first relative magnetic pole and the second magnetic pole, this magnetic element with this second magnetic pole for axle center rotates relative to this magnetic quantity transducer, to change the relative distance of this first magnetic pole and this magnetic quantity transducer.
37. portable electronic devices as claimed in claim 34, wherein this magnetic element has the first relative magnetic pole and the second magnetic pole, this magnetic element is with the boundary of this first magnetic pole and this second magnetic pole for axle center rotates, and this Magnetic flux density of this magnetic quantity transducer induction changes along with the angle of swing of this 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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| CN104514801A true CN104514801A (en) | 2015-04-15 |
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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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