CN109882497A - Biaxial hinge and portable electronic device - Google Patents
Biaxial hinge and portable electronic device Download PDFInfo
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- CN109882497A CN109882497A CN201910292855.9A CN201910292855A CN109882497A CN 109882497 A CN109882497 A CN 109882497A CN 201910292855 A CN201910292855 A CN 201910292855A CN 109882497 A CN109882497 A CN 109882497A
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- 238000005253 cladding Methods 0.000 claims description 8
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Abstract
The present invention relates to hinge field, it is related to a kind of biaxial hinge and portable electronic device.Biaxial hinge includes: the first transmission shaft, is formed with the first helical guide groove；Second driving shaft is formed with the second helical guide groove；The absolute value of the helical angle of first helical guide groove and the second helical guide groove differs, and the first helical guide groove is opposite with the hand of spiral of the second helical guide groove；Mobile member, between the first drive area and the second drive area, the both sides of mobile member are respectively formed with the first lug boss and the second lug boss, are respectively embedded in the first helical guide groove and the second helical guide groove；With angular speed different from each other, reciprocal direction of rotation, mobile member is moved along the direction parallel with first rotation and the second rotation axis for first transmission shaft and second driving shaft.In accordance with the invention it is possible to solve the problems, such as that the front end of two shells when the portable electronic device of application biaxial hinge is in 360 degree of closed states is in aligned condition always to cause user's operation inconvenient.
Description
Technical field
The present invention relates to hinge fields, particularly, are related to a kind of biaxial hinge and portable electronic device.
Background technique
With laptop, clamshell phone or E-book reader etc. portable electronic device it is gradually general
And change, user also gradually increases the individual requirement of this kind of portable electronic device.
Under normal conditions, the portable electronic device of such as laptop has two connected for example, by biaxial hinge
Part.Two bar axis by extending through biaxial hinge drive two parts rotation of portable electronic device, for example, taking down notes
When the display screen and keyboard of this computer rotate to 360 degree of closed states away form one another from 0 degree of closed state facing with each other, show
The front end of display screen and the front end of keyboard are in aligned condition always, and make in this way display screen and keyboard is away form one another
When hand being needed to go again towards 0 degree of closed state rotation facing with each other when 360 degree of closed states, the operation of user will cause not
Just.
Summary of the invention
The purpose of the present invention is to provide a kind of biaxial hinge and portable electronic device, using the biaxial hinge and
Portable electronic device with the biaxial hinge is able to solve at the portable electronic device of the above-mentioned biaxial hinge of application
The front end for two shells being connected to each other when 360 degree of closed states by biaxial hinge is in aligned condition always to cause to use
The inconvenient problem in family.
The first aspect of the present invention provides a kind of biaxial hinge, wherein the biaxial hinge includes:
First transmission shaft is provided with the first drive area and has first rotation, and the first of first transmission shaft passes
Dynamic area is formed with the first helical guide groove；
Second driving shaft is provided with the second drive area at position corresponding with first drive area and has the second rotation
Shaft axis, the first rotation are arranged in parallel with second rotation axis, the second drive area of the second driving shaft
It is formed with the second helical guide groove；The helical angle of the absolute value of the helical angle of first helical guide groove and second helical guide groove
Absolute value differ, and the hand of spiral of first helical guide groove is opposite with the hand of spiral of second helical guide groove；
And
Mobile member, between first transmission shaft the first drive area and the second driving shaft the second drive area it
Between and can be moved back and forth along the direction parallel with the first rotation, the mobile member in face of it is described first pass
The both sides of dynamic area and second drive area are respectively formed with the first lug boss and the second lug boss, first lug boss and
Second lug boss is respectively embedded in first helical guide groove and second helical guide groove；
When linking with first transmission shaft, the second driving shaft and the mobile member three, described
One transmission shaft and the second driving shaft are rotated with angular speed different from each other, reciprocal direction of rotation, and the movement
Component is moved along the direction parallel with the first rotation and second rotation axis.
Preferably, the spiral central diameter of first helical guide groove is equal with the spiral central diameter of second helical guide groove.
Preferably, the first drive area of first transmission shaft and the second drive area of the second driving shaft are all formed as
Cylindrical shape,
The formation of the mobile member has first lug boss and the both sides of second lug boss to be formed as distinguishing
With the matched concave circular arcs face in first drive area and second drive area；And/or
First lug boss and second lug boss be all formed as respectively with first helical guide groove and described
Two helical guide grooves are matched spiral-shaped.
Preferably, the biaxial hinge further includes storage case, and there are two through-holes, described first to pass for the storage case tool
Moving axis and the second driving shaft are arranged in respectively in two through-holes of the storage case, so that first transmission shaft and institute
Stating second driving shaft can rotate relative to the storage case, and the first drive area of first transmission shaft, described second pass
Second drive area of moving axis and the mobile member are between the inside of the storage case；
The mobile member is formed with guide part, and the guide part is to prolong along the direction parallel with the first rotation
The concave part or convex rib stretched, the part of the storage case faced with the guide part are formed with and the mobile member
Concave part or the corresponding convex rib of convex rib or concave part；And/or
The biaxial hinge further includes support plate, and first transmission shaft and the second driving shaft are extended through in described
Support plate, the support plate are formed with from support plate body towards the mobile member and extend across drawing for the mobile member
Guide rod, the mobile member are formed with the guiding groove with guiding bar cooperation, the quantity of the guiding bar be one, two or
More.
Preferably, the biaxial hinge further include:
Multiple torsion trimmers, be arranged in a manner of overlieing one another and elastomeric overmold described in the first transmission shaft and described the
Two transmission shafts adjust the torsion of first transmission shaft and the second driving shaft by adjusting the quantity of the torsion trimmer
Power；And/or
Distinguish the plate cladding that elastic tight coats first transmission shaft and the second driving shaft at least one both ends
Torsion elements；And/or
First torsion reed group and the second torsion reed group and two fastening nuts are arranged in first transmission respectively
Axis and the second driving shaft, for changing the torsion to be applied to first transmission shaft and the second driving shaft；It is described
Two fastening nuts are screwed in respectively on the end of first transmission shaft and the second driving shaft, to the multiple torsion
Trimmer and the first torsion reed group and the second torsion reed group press.
The second aspect of the present invention provides a kind of biaxial hinge, and the biaxial hinge includes:
First transmission shaft, is provided with the first drive area, and the peripheral part of the first drive area of first transmission shaft is formed with
First protruding portion；
Second driving shaft is provided with the second drive area at position corresponding with first drive area, and described first passes
Moving axis is arranged in parallel with the second driving shaft, and the second drive area of the second driving shaft is formed with the second protruding portion；
Plate coating member, including the first hole portion and the second hole portion, first transmission shaft and second driving shaft difference
It is arranged in the first hole portion and the second hole portion of the plate coating member, first hole portion is formed with perforation first hole portion
Side wall third helical guide groove, second hole portion is formed with the 4th helical guide groove for penetrating through the side wall of second hole portion,
First protruding portion and second protruding portion are inserted respectively into the third helical guide groove and the 4th helical guide groove
And by the third helical guide groove and the 4th helical guide groove exposure, the third helical guide groove and the 4th spiral are led
Slot is respectively provided with third rotation axis and the 4th rotation axis parallel to each other, the helical angle of the third helical guide groove it is absolute
The absolute value of value and the helical angle of the 4th helical guide groove differs, and the hand of spiral of the third helical guide groove with it is described
The hand of spiral of 4th helical guide groove is opposite；
When linking with first transmission shaft, the second driving shaft and the mobile member three, described
One transmission shaft and the second driving shaft are rotated with angular speed different from each other, reciprocal direction of rotation, and the plate
Coating member is moved along the direction parallel with the third rotation axis and the 4th rotation axis.
Preferably, the spiral central diameter of the third helical guide groove is equal with the spiral central diameter of the 4th helical guide groove.
Preferably, the first drive area of first transmission shaft and the second drive area of the second driving shaft are all formed as
Cylindrical shape,
The first hole portion and the second hole portion of the plate coating member be formed as respectively with first drive area and described
The matched round hole shape in two drive areas；And/or
First protruding portion and second protruding portion be all formed as respectively with the third helical guide groove and described
Four helical guide grooves are matched spiral-shaped.
Preferably, the biaxial hinge further includes storage case, and there are two through-holes, described first to pass for the storage case tool
Moving axis and the second driving shaft are arranged in respectively in two through-holes of the storage case, so that first transmission shaft and institute
Stating second driving shaft can rotate relative to the storage case, and the first drive area of first transmission shaft, described second pass
Second drive area of moving axis and the plate coating member between the inside of the storage case,
The biaxial hinge further include:
Multiple torsion trimmers, be arranged in a manner of overlieing one another and elastomeric overmold described in the first transmission shaft and described the
Two transmission shafts adjust the torsion of first transmission shaft and the second driving shaft by adjusting the quantity of the torsion trimmer
Power；And/or
Distinguish the plate cladding that elastic tight coats first transmission shaft and the second driving shaft at least one both ends
Torsion elements；And/or
First torsion reed group and the second torsion reed group and two fastening nuts are arranged in first transmission respectively
Axis and the second driving shaft, for changing the torsion to be applied to first transmission shaft and the second driving shaft；It is described
Two fastening nuts are screwed in respectively on the end of first transmission shaft and the second driving shaft, to the multiple torsion
Trimmer and the first torsion reed group and the second torsion reed group press.
The third aspect of the present invention provides a kind of biaxial hinge, including first shell, second shell and as described above pair
Pivot hinge；
The first shell is connected to first transmission shaft via the first connecting plate, and the second shell connects via second
Fishplate bar is connected to the second driving shaft,
The orientation of the first shell and the second shell includes: the first shell and the second shell face each other
Pair 0 degree in face of closure, the first shell and the second shell be each other in open and flat 180 degree and the first shell and institute
Second shell away form one another 360 degree is stated back to closure, is in 360 degree back to closing in the first shell and the second shell
When conjunction, the free end opposite with the biaxial hinge of the first shell and the second shell with the biaxial hinge phase
Anti- free end offsets one from another.
Compared with prior art, the invention has the benefit that
The biaxial hinge that first embodiment according to the present invention provides, passes through the absolute value of the helical angle of the first helical guide groove
With the spiral shell of absolute value not equal and the first helical guide groove the hand of spiral and the second helical guide groove of the helical angle of the second helical guide groove
It revolves contrary, the transmission direction of two bar axis of biaxial hinge can not only be changed, but also biaxial hinge can be changed
The transmission ratio of two bar axis.
The biaxial hinge that second embodiment according to the present invention provides, passes through the absolute value of the helical angle of third helical guide groove
With the spiral shell of absolute value not equal and third helical guide groove the hand of spiral and the 4th helical guide groove of the helical angle of the 4th helical guide groove
It revolves contrary, the transmission direction of two bar axis of biaxial hinge can not only be changed, but also biaxial hinge can be changed
The transmission ratio of two bar axis.
In addition, can be realized according to the portable electronic device of application biaxial hinge as described above in portable electronic
Equipment is in 360 degree back in the state of closure, and operator can be according to the free end of first shell and the freedom of second shell
End offsets one from another, and easily operating makes first shell and second shell generate rotation, to continue to adjust first shell and the
Two shells are formed by relative angle.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the main member of the biaxial hinge of first embodiment according to the present invention；
Fig. 2 is the schematic diagram of the biaxial hinge of first embodiment according to the present invention；
Fig. 3 is the schematic diagram of the mobile member of the biaxial hinge of first embodiment according to the present invention；
Fig. 4 is the schematic diagram of the main member of the biaxial hinge of second embodiment according to the present invention；
Fig. 5 is the schematic diagram of the plate coating member of the biaxial hinge of second embodiment according to the present invention；
Fig. 6 is the schematic diagram of the biaxial hinge of first embodiment according to the present invention；And
Fig. 7 is the signal of the removal storage case and plate coating member of the biaxial hinge of first embodiment according to the present invention
Figure.
Appended drawing reference:
1: the first transmission shaft, 11: the first helical guide grooves, 2: second driving shaft, 21: the second helical guide grooves, 3: mobile member,
31: concave part, 32: the first lug bosses, 33: the second lug bosses, 34: guiding groove, 4: storage case, 5: support plate, 51: guidance
Bar, 6: torsion trimmer, 7: torsion reed group, 8: nut, 9: supporting element；
10: the first transmission shafts, 101: the first protruding portions, 20: second driving shaft, 201: the second protruding portions, 30: plate cladding
Part, 301: third helical guide groove, 302: the four helical guide grooves, 303: the first hole portions, 304: the second hole portions, 40: storage case；
100: the first connecting plates；
200: the second connecting plates.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.
The component for the embodiment of the present invention for usually describing and showing in attached drawing here can be with a variety of different configurations
To arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
First embodiment
Fig. 1 is the schematic diagram of the main member of the biaxial hinge of first embodiment according to the present invention.Fig. 2 is according to this hair
The schematic diagram of the biaxial hinge of bright first embodiment.Fig. 3 is the movement of the biaxial hinge of first embodiment according to the present invention
The schematic diagram of component.
First embodiment according to the present invention provides a kind of biaxial hinge, as shown in Figure 1 to Figure 3, according to the present embodiment
Biaxial hinge includes the first transmission shaft 1, second driving shaft 2, mobile member 3, storage case 4, support plate 5, the adjustment of multiple torsion
Piece 6, torsion reed group 7, supporting element 9 and two fastening nuts 8.
Hereinafter, the structure and movement of the above-mentioned component of biaxial hinge according to first embodiment will be described in detail.
As shown in Figure 1, in the first embodiment, the first transmission shaft 1 may be provided with the first drive area and have the first rotation
Axis, the first drive area of the first transmission shaft 1 can be formed with the first helical guide groove 11；Second driving shaft 2 can be driven with first
It is provided with the second drive area at the corresponding position in area and there is the second rotation axis.Wherein, in embodiment, first rotation
It can be arranged in parallel with the second rotation axis, the second drive area of second driving shaft 2 can be formed with the second helical guide groove 21, and
The absolute value of the helical angle of one helical guide groove 11 can be differed with the absolute value of the helical angle of the second helical guide groove 21, and the first spiral is led
The hand of spiral of slot 11 can be opposite with the hand of spiral of the second helical guide groove 21.
As shown in figs. 1 and 3, in the first embodiment, mobile member 3 can between the first transmission shaft 1 the first drive area with
It can move back and forth between second drive area of second driving shaft 2 and along the direction parallel with first rotation.In addition,
In embodiment, the both sides in face of the first drive area and the second drive area of mobile member 3 can be respectively formed with the first protrusion
Portion 32 and the second lug boss 33, the first lug boss 32 and the second lug boss 33 are respectively embedded in the first helical guide groove 11 and the second spiral shell
It revolves in guide groove 21, so realizes the assembly of mobile member 3 and the first transmission shaft 1 and second driving shaft 2.
In the first embodiment, the absolute value of the helical angle of the first helical guide groove 11 and the spiral shell of the second helical guide groove 21 are utilized
The knot that the absolute value of swing angle does not wait and the hand of spiral of the first helical guide groove 11 is opposite with the hand of spiral of the second helical guide groove 21
Structure, when linking with the first transmission shaft 1, second driving shaft 2 and 3 three of mobile member, the first transmission shaft 1 and the second transmission
Axis 2 with angular speed different from each other, reciprocal direction of rotation rotate, and mobile member 3 along with first rotation and
The parallel direction of second rotation axis moves back and forth between the first transmission shaft 1 and second driving shaft 2.That is, by according to this hair
The above structure of bright first embodiment can not only change the transmission direction of this first transmission shaft 1 and second driving shaft 2, and
And the transmission ratio of the two transmission shafts can also be changed, it is described in detail below.For example, rotating clockwise in the first transmission shaft 1
When one predetermined angular, second driving shaft 2 rotates second predetermined angular different from the first predetermined angular counterclockwise.
In addition, in the first embodiment, the spiral central diameter of the first helical guide groove 11 can be with the spiral shell of the second helical guide groove 21
It is equal to revolve central diameter.
In addition, in the first embodiment of invention, as shown in Figure 1, for example, the first drive area of the first transmission shaft 1 and
Second drive area of two transmission shafts 2 can be formed as cylindrical shape, and accordingly, the formation of mobile member 3 has the first lug boss
32 and second lug boss 33 both sides can be formed as respectively with the matched concave circular arcs in the first drive area and the second drive area
Face.Using this structure as described above, the cylindrical outer surface of the first drive area and the second drive area and mobile member 3 are utilized
Both sides the matching of concave circular arcs face, so effectively mobile member 3 is limited, i.e., in mobile member 3 along with the
One rotation axis and the parallel direction of the second rotation axis, when being moved back and forth between the first transmission shaft 1 and second driving shaft 2,
It will not jump out or deviate its motion profile.
Furthermore in the embodiment of invention, the first lug boss 32 and the second lug boss 33 can be all formed as respectively with
One helical guide groove 11 and the second helical guide groove 21 are matched spiral-shaped, so can effectively mobile member 3 be driven first
Reciprocating movement between axis 1 and second driving shaft 2.
In addition, hereinafter, the specific structure of the storage case of biaxial hinge according to first embodiment will be described.
As shown, there are two through-holes for the tool of storage case 4, wherein the first transmission shaft 1 and second driving shaft 2 can be worn respectively
In two through-holes of storage case 4, the first transmission shaft 1 and second driving shaft 2 can be rotated relative to storage case 4, such as
This realizes the positioning to the first transmission shaft 1 and second driving shaft 2.In addition, the first drive area of the first transmission shaft 1, the second transmission
Second drive area of axis 2 and mobile member 3 are between the inside of storage case 4, that is to say, that above-mentioned three is positioned/is assembled to
The inside of storage case can so be effectively protected the first drive area of the first transmission shaft 1, the second of second driving shaft 2 passes
Dynamic area and mobile member 3 this three exempt to be affected by the outside factors.
As shown, mobile member 3 can be formed with guide part, for example, in fig. 1 and 2 shown in embodiment, it is mobile
The guide part of component 3 is two concave parts 31 (i.e. two strip slots) for moving along the moving direction of component 3 and extending, and right
Ying Di, the part of storage case 4 faced with the guide part of mobile member 3 could be formed with two convex ribs (i.e. two rib shape
Protrusion), such two convex ribs are slidably matched with two concave parts 31 respectively, to realize the mobile progress to mobile member 3
Guidance, while mobile member 3 is cooperated using guide part and storage case 4, also can be realized the limit to mobile member 3.
However, the generation type of the guide part of mobile member is without being limited thereto, for example, the guide part of mobile member can also be formed
To move along two convex ribs that the moving direction of component extends, and in this case, storage case and mobile member
The part that faces of guide part could be formed with two concave parts, so equally can be realized guidance to mobile member and right
The limit of mobile member.
In addition, the quantity of the convex rib or concave part that constitute guide part is also not particularly limited, as long as can be realized to shifting
The guidance and positioning of dynamic component, the convex rib or concave part of guide part can with one, three or more.
In addition, it should be noted that, the concave circular arcs face structure and pilot construction of mobile member can cooperate, more preferably
Ground guides mobile member, also can choose one of concave circular arcs face structure and pilot construction of mobile member, so
Simplify structure.If the not formed concave circular arcs face structure in the both sides of mobile member and merely with guide part guide mobile member
In the case where, two on the direction vertical with the plane determined by first rotation and the second rotation axis of mobile member
Side could be formed with guide part, equally could be formed with and leads in the inside portion in face of the guide part of storage case
To the matched part in portion.
In addition, the structure and movement of the other component of biaxial hinge hereinafter will be described in detail.
In addition, multiple torsion trimmers 6 can be arranged in a manner of overlieing one another and elasticity in the embodiment of invention
The first transmission shaft 1 and second driving shaft 2 are coated, adjusts the first transmission shaft 1 and second by adjusting the quantity of torsion trimmer 6
The required torsion of transmission shaft 2.For example, when need to make the first transmission shaft 1 and second driving shaft 2 torsion it is larger when, torsion can be increased
The quantity of power trimmer, when need to make the first transmission shaft 1 and second driving shaft 2 torsion it is smaller when, torsion trimmer 6 can be reduced
Quantity.
As long as torsion trimmer 6 can be realized the adjustment of the torsion to the first transmission shaft 1 and second driving shaft 2, do not limit
The concrete form of torsion trimmer 6.In the embodiment shown in the drawings, each torsion trimmer 6 may include two set axle portions
With the interconnecting piece that this two set axle portions link together.In embodiment, a pair that set axle portion can be separated from each other by ora terminalis
Bend arm is formed, and the first transmission shaft 1 and second driving shaft 2 can extend through two set axle portions in torsion trimmer 6, described
It covers axle portion and closely coats two transmission shafts radially, hinder transmission shaft to generate between two transmission shafts and set axle portion
The frictional resistance of rotation.Multiple torsion trimmers 6 of this form have mutually the same size and shape, so can basis
The implementation demand of biaxial hinge and torsion needed for precisely adjusting the first transmission shaft 1 and second driving shaft 2.That is,
When first transmission shaft 1 and second driving shaft 2 rotate, multiple torsion trimmers 6 are by way of radially coating to the first transmission shaft 1
It is limited with the position of second driving shaft 2.
As shown, in embodiment, torsion reed group 7 includes the first torsion reed group and the second torsion reed group, it is somebody's turn to do
Two torsion reed groups are arranged in respectively on the first transmission shaft 1 and second driving shaft 2, for changing to be applied to the first transmission shaft
1 and second driving shaft 2 torsion.For example, the first torsion reed group is identical with the structure of the second torsion reed group, herein only with
It is illustrated for one torsion reed group.Specifically, the first torsion reed group may include for example multiple disc spring pieces, i.e., will be multiple
Disc spring piece fits together to Close stack to provide rotary torsion with to the first transmission shaft each other, that is to say, that in this hair
In bright embodiment, by the first torsion reed group and the second torsion reed group as main torsion source.
In addition, as shown, in embodiment, two fastening nuts 8 can be screwed in the first transmission shaft 1 and second respectively
On the end of transmission shaft 2, to press to multiple torsion trimmers 6 with torsion reed group 7.As an example, the works such as spanner can be passed through
Fastening nut 8 is screwed into specified or desired torque level by tool.
Furthermore, it is possible to add washer with corresponding torsion reed group in fastening nut 8, the pretightning force pair of fastening nut is prevented
Corresponding torsion reed group causes a degree of damage.For example, washer can be taper washer.
Optionally, in addition, biaxial hinge may also include at least one both ends difference elastic tight coat the first transmission shaft and
The plate of second driving shaft coats torsion elements.However, biaxial hinge can only include that plate coats torsion according to actual design needs
Part, and replace above-mentioned torsion trimmer, torsion reed group and nut.
That is, in embodiment, biaxial hinge may include multiple torsion trimmers, plate cladding torsion elements and torsion
Any one or combination of power reed group and fastening nut.Specifically, according to actual design needs, biaxial hinge may include multiple
Any one or combination of torsion trimmer, plate cladding torsion elements and torsion reed group and fastening nut.
In addition, in embodiment, as shown in fig. 1, the first transmission shaft 1 and second driving shaft 2 are also extended through in dividing each other
Open up the support plate 5 set and supporting element 9, support plate 5 and supporting element 9 are located at moving for the first drive area and the second drive area
Two sides on the moving direction of dynamic component 3.In embodiment, the both ends of supporting element 9 are respectively arranged with folder axle portion, solid for clamping
Fixed first transmission shaft 1 and second driving shaft 2, so that mobile member 3 will not make the first transmission shaft 1 and second driving shaft when moving
2 dislocation, while the part of the connection of supporting element 9 two folder axle portions can equally limit mobile member 3.
In addition, in embodiment, as shown in Figure 1, support plate 5 be additionally arranged at torsion trimmer group 7 and storage case 4 it
Between, wherein support plate 5 could be formed with the guidance that mobile member 3 is extended across from the support plate body towards mobile member 3
Bar 51, in this case, mobile member 3 could be formed with guiding bar 51 cooperate guiding groove 34, so can replace as
The concave circular arcs face structure and pilot construction of the upper mobile member 3, limit mobile member 3 to equally play
Position and guidance.Certainly, in the case where being provided with storage case 4, storage case 4 should still be provided with perforative for guiding bar 51
Through-hole.In addition, in the embodiment shown in fig. 1, the quantity of guiding bar 51 is one, and but not limited to this, in order to preferably
The displacement of mobile member 3 is guided, the quantity of guiding bar 51 can also be two.In addition, in order to meet other demands, guiding bar 51
Quantity can also be more than two.
In addition, the first transmission shaft 1 and second driving shaft 2 of biaxial hinge can be respectively via the first connecting plates 100 and
Two connecting plates 200 are connected to two shells of portable electronic device, are described in detail again below.
Second embodiment
Fig. 4 is the schematic diagram of the main member of the biaxial hinge of second embodiment according to the present invention.Fig. 5 is according to this hair
The schematic diagram of the plate coating member of the biaxial hinge of bright second embodiment.Fig. 6 is the double of first embodiment according to the present invention
The schematic diagram of pivot hinge.Fig. 7 is the removal storage case and plate cladding of the biaxial hinge of first embodiment according to the present invention
The schematic diagram of part.
Second embodiment according to the present invention provides a kind of biaxial hinge, as shown in Figures 4 to 7, according to the present embodiment
Biaxial hinge includes the first transmission shaft 10, second driving shaft 20, plate coating member 30, storage case 40, support plate 5, multiple torsions
Power trimmer 6, torsion reed group 7, supporting element 9 and two fastening nuts 8.
Hereinafter, the structure and movement of the above-mentioned component of biaxial hinge according to the second embodiment will be described in detail.
As shown in Figures 4 to 7, in embodiment, the first transmission shaft 10 may be provided with the first drive area, the first transmission shaft 10
The peripheral part of the first drive area be formed with the first protruding portion 101；Second driving shaft 20 can be corresponding with the first drive area
The second drive area is provided at position, the first transmission shaft 10 can be arranged in parallel with second driving shaft 20, second driving shaft 20
Second drive area can be formed with the second protruding portion 201.
As shown in Figure 4 and Figure 5, in embodiment, plate coating member 30 includes the first hole portion 303 and the second hole portion 304, the
One transmission shaft 10 and second driving shaft 20 can be arranged in the first hole portion 303 and the second hole portion 304 of plate coating member 30 respectively
In.First hole portion 303 can be formed with the third helical guide groove 301 of the side wall of the first hole portion 303 of perforation, and the second hole portion 304 can shape
At the 4th helical guide groove 302 of the side wall for having the second hole portion 304 of perforation, the first protruding portion 101 and the second protruding portion 201 can divide
It is not inserted into third helical guide groove 301 and the 4th helical guide groove 302 and by third helical guide groove 301 and the 4th helical guide groove
302 exposures, third helical guide groove 301 and the 4th helical guide groove 302 are respectively provided with third rotation axis and the 4th parallel to each other
The absolute value of the helical angle of rotation axis, the absolute value of the helical angle of third helical guide groove 301 and the 4th helical guide groove 302 is not
Deng, and the hand of spiral of third helical guide groove 301 is opposite with the hand of spiral of the 4th helical guide groove 302.
In a second embodiment, the absolute value of the helical angle of third helical guide groove 301 and the 4th helical guide groove 302 are utilized
The absolute value of helical angle differs, and the hand of spiral phase of the hand of spiral of third helical guide groove 301 and the 4th helical guide groove 302
Anti- structure, when linking with the first transmission shaft 10, second driving shaft 20 and 30 three of plate coating member, the first transmission shaft
10 and second driving shaft 20 with angular speed different from each other, reciprocal direction of rotation rotate, and plate coating member 30 along
The direction parallel with third rotation axis and the 4th rotation axis is mobile.That is, passing through the upper of second embodiment according to the present invention
State structure, the transmission direction of this first transmission shaft 10 and second driving shaft 20 can not only be changed, but also can change this two
The transmission ratio of a transmission shaft, is described in detail below.For example, when the first transmission shaft 10 rotates clockwise the first predetermined angular, the
Two transmission shafts 20 rotate second predetermined angular different from the first predetermined angular counterclockwise.
In addition, the spiral central diameter of third helical guide groove 301 can be led with the 4th spiral in the second embodiment of the present invention
The spiral central diameter of slot 302 is equal.
In addition, in the second embodiment of invention, as shown, for example, the first drive area of the first transmission shaft 10 and
Second drive area of two transmission shafts 20 can be formed as cylindrical shape, accordingly, 303 He of the first hole portion of plate coating member 30
Second hole portion 304 can be formed as respectively with the matched round hole shape in the first drive area and the second drive area.Utilize institute as above
This structure stated utilizes the round hole shape of the cylindrical outer surface of the first drive area and the second drive area and plate coating member 30
First hole portion 303 of shape and the matching of the second hole portion 304, so effectively limit plate coating member 30, i.e., in plate packet
When covering part 30 along the direction reciprocating movement parallel with third rotation axis and the 4th rotation axis, stable movement rail is kept
Mark.
In addition, in a second embodiment, for example, the first protruding portion 101 and the second protruding portion 201 can be all formed as distinguishing
It is with third helical guide groove 301 and the 4th helical guide groove 302 matched spiral-shaped, it so being capable of effectively plate coating member 30
It moves back and forth.
In addition, it should be noted that, the storage case 40 in second embodiment and 4 class of storage case in first embodiment
Seemingly, difference is only in that, in the first embodiment, storage case 4 is formed with part corresponding with guide part, and in two embodiments
In, due to the specific shape of plate coating member 30, storage case 40 not necessarily forms similar part.
In addition, support plate 5, multiple torsion trimmers 6 in second embodiment, torsion reed group 7, supporting element 9, two are tightly
Gu nut 8, the first connecting plate 100 and the second connecting plate 200 are similar with the above-mentioned component in first embodiment, do not do again excessive
Explanation.
Hereinafter, generated beneficial to effect when will describe biaxial hinge as described above applied to portable electronic device
Fruit.
In addition, providing a kind of portable electronic device according to another aspect of the present invention comprising twin shaft as described above
Hinge, first shell and second shell.The side opposite with side where fastening nut of first transmission shaft of biaxial hinge is fixed
Ground is connected with the first connecting plate, and the side opposite with side where fastening nut of the second driving shaft of biaxial hinge fixedly connects
It is connected to the second connecting plate.Although first shell and second shell is not shown in the figure, it will be appreciated that in embodiment, the
One shell is connected to the first transmission shaft via the first connecting plate, and second shell is connected to second driving shaft via the second connecting plate.
In addition, portable electronic device as described above can be realized 360 degree of folding.Specifically, first shell and
The orientation of two shells include: first shell and second shell facing with each other 0 degree in face of closure, first shell and second shell that
This is in 180 degree is open and flat and first shell and second shell away form one another 360 degree are back to closure.For example, in first shell and
Second shell be in 360 degree back to be closed when, the free end and second shell opposite with biaxial hinge of first shell with it is double
The opposite free end of pivot hinge offsets one from another.
That is, according to embodiment, by make the first transmission shaft 1 and second driving shaft 2 with angular speed different from each other,
Reciprocal direction of rotation rotates in linkage, and the first shell and second shell for being equal to portable electronic device are staggered.
For example, portable electronic device be laptop in the case where, first shell can be keyboard case, second
Shell can be display housing, be in 360 degree of shapes back to closure in the keyboard case and display housing of laptop
Under state, operator can offset one from another according to the free end of keyboard case and the free end of display, and easily operating makes key
Disk shell and display housing generate rotation.
For example, in the case where portable electronic device is folding cell phone or tablet device, first shell and second shell
It can be display housing, when first shell and second shell are in the open and flat state of 180 degree, first shell and second
Biggish display screen can be collectively formed in shell, and for example, rolls in 360 degree back to when being closed in first shell and second shell
Folded mobile phone or the portable electronic device of tablet device can provide relatively small display screen, and when needing to change this state,
Operator can offset one from another according to the free end of first shell and the free end of second shell, and easily operating makes first shell
Body and second shell generate rotation.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of biaxial hinge, which is characterized in that the biaxial hinge includes:
First transmission shaft is provided with the first drive area and has first rotation, the first drive area of first transmission shaft
It is formed with the first helical guide groove；
Second driving shaft is provided with the second drive area at position corresponding with first drive area and has the second rotary shaft
Line, the first rotation are arranged in parallel with second rotation axis, and the second drive area of the second driving shaft is formed
There is the second helical guide groove；The absolute value of the helical angle of first helical guide groove is exhausted with the helical angle of second helical guide groove
Value is differed, and the hand of spiral of first helical guide groove is opposite with the hand of spiral of second helical guide groove；And
Mobile member, between the first drive area of first transmission shaft and the second drive area of the second driving shaft and
It can be moved back and forth along the direction parallel with the first rotation, the mobile member faces first drive area
The first lug boss and the second lug boss are respectively formed with the both sides of second drive area, first lug boss and described
Second lug boss is respectively embedded in first helical guide groove and second helical guide groove；
When linking with first transmission shaft, the second driving shaft and the mobile member three, described first is passed
Moving axis and the second driving shaft are rotated with angular speed different from each other, reciprocal direction of rotation, and the mobile member
It is moved along the direction parallel with the first rotation and second rotation axis.
2. biaxial hinge according to claim 1, which is characterized in that
The spiral central diameter of first helical guide groove is equal with the spiral central diameter of second helical guide groove.
3. biaxial hinge according to claim 1, which is characterized in that
First drive area of first transmission shaft and the second drive area of the second driving shaft are all formed as cylindrical shape,
The formation of the mobile member have the both sides of first lug boss and second lug boss be formed as respectively with institute
State the matched concave circular arcs face in the first drive area and second drive area；And/or
First lug boss and second lug boss be all formed as respectively with first helical guide groove and second spiral shell
It is matched spiral-shaped to revolve guide groove.
4. biaxial hinge according to any one of claim 1 to 3, which is characterized in that the biaxial hinge further includes receiving
Receive shell, there are two through-hole, first transmission shaft and the second driving shaft are arranged in described the storage case tool respectively
In two through-holes of storage case, enable first transmission shaft and the second driving shaft relative to the storage case
Rotation, the first drive area of first transmission shaft, the second drive area of the second driving shaft and the mobile member between
The inside of the storage case；
The mobile member is formed with guide part, and the guide part is to extend along the direction parallel with the first rotation
Concave part or convex rib, the part of the storage case faced with the guide part are formed with the groove with the mobile member
Portion or the corresponding convex rib of convex rib or concave part；And/or
The biaxial hinge further includes support plate, and first transmission shaft and the second driving shaft are extended through in the support
Plate, the support plate are formed with the guidance that the mobile member is extended across from support plate body towards the mobile member
Bar, the mobile member are formed with the guiding groove with guiding bar cooperation, and the quantity of the guiding bar is for one, two or more
It is multiple.
5. biaxial hinge according to any one of claim 1 to 3, which is characterized in that the biaxial hinge further include:
Multiple torsion trimmers are arranged in the first transmission shaft described in simultaneously elastomeric overmold and described second in a manner of overlieing one another and pass
Moving axis adjusts the torsion of first transmission shaft and the second driving shaft by adjusting the quantity of the torsion trimmer；
And/or
Distinguish the plate cladding torsion that elastic tight coats first transmission shaft and the second driving shaft at least one both ends
Part；And/or
First torsion reed group and the second torsion reed group and two fastening nuts, be arranged in respectively first transmission shaft and
The second driving shaft, for changing the torsion to be applied to first transmission shaft and the second driving shaft；It is described two
Fastening nut is screwed in respectively on the end of first transmission shaft and the second driving shaft, to adjust to the multiple torsion
Piece and the first torsion reed group and the second torsion reed group press.
6. a kind of biaxial hinge, which is characterized in that the biaxial hinge includes:
First transmission shaft, is provided with the first drive area, and the peripheral part of the first drive area of first transmission shaft is formed with first
Protruding portion；
Second driving shaft is provided with the second drive area, first transmission shaft at position corresponding with first drive area
It is arranged in parallel with the second driving shaft, the second drive area of the second driving shaft is formed with the second protruding portion；
Plate coating member, including the first hole portion and the second hole portion, first transmission shaft and the second driving shaft are worn respectively
In the first hole portion and the second hole portion of the plate coating member, first hole portion is formed with the side for penetrating through first hole portion
The third helical guide groove of wall, second hole portion is formed with the 4th helical guide groove for penetrating through the side wall of second hole portion, described
First protruding portion and second protruding portion are inserted respectively into the third helical guide groove and the 4th helical guide groove and lead to
Cross the third helical guide groove and the 4th helical guide groove exposure, the third helical guide groove and the 4th helical guide groove point
Third rotation axis and the 4th rotation axis that Ju You be not parallel to each other, the absolute value of the helical angle of the third helical guide groove with
The absolute value of the helical angle of 4th helical guide groove differs, and the hand of spiral of the third helical guide groove and the described 4th
The hand of spiral of helical guide groove is opposite；
When linking with first transmission shaft, the second driving shaft and the mobile member three, described first is passed
Moving axis and the second driving shaft are rotated with angular speed different from each other, reciprocal direction of rotation, and the plate coats
Part is moved along the direction parallel with the third rotation axis and the 4th rotation axis.
7. biaxial hinge according to claim 6, which is characterized in that
The spiral central diameter of the third helical guide groove is equal with the spiral central diameter of the 4th helical guide groove.
8. biaxial hinge according to claim 6, which is characterized in that
First drive area of first transmission shaft and the second drive area of the second driving shaft are all formed as cylindrical shape,
The first hole portion and the second hole portion of the plate coating member are formed as passing with first drive area and described second respectively
The dynamic matched round hole shape in area；And/or
First protruding portion and second protruding portion be all formed as respectively with the third helical guide groove and the 4th spiral shell
It is matched spiral-shaped to revolve guide groove.
9. the biaxial hinge according to any one of claim 6 to 8, which is characterized in that the biaxial hinge further includes receiving
Receive shell, there are two through-hole, first transmission shaft and the second driving shaft are arranged in described the storage case tool respectively
In two through-holes of storage case, enable first transmission shaft and the second driving shaft relative to the storage case
Rotation, the first drive area of first transmission shaft, the second drive area of the second driving shaft and the plate coating member are situated between
In the inside of the storage case,
The biaxial hinge further include:
Multiple torsion trimmers are arranged in the first transmission shaft described in simultaneously elastomeric overmold and described second in a manner of overlieing one another and pass
Moving axis adjusts the torsion of first transmission shaft and the second driving shaft by adjusting the quantity of the torsion trimmer；
And/or
Distinguish the plate cladding torsion that elastic tight coats first transmission shaft and the second driving shaft at least one both ends
Part；And/or
First torsion reed group and the second torsion reed group and two fastening nuts, be arranged in respectively first transmission shaft and
The second driving shaft, for changing the torsion to be applied to first transmission shaft and the second driving shaft；It is described two
Fastening nut is screwed in respectively on the end of first transmission shaft and the second driving shaft, to adjust to the multiple torsion
Piece and the first torsion reed group and the second torsion reed group press.
10. a kind of portable electronic device, which is characterized in that including first shell, second shell and according to claim 1 to 9
Any one of described in biaxial hinge；
The first shell is connected to first transmission shaft via the first connecting plate, and the second shell is via the second connecting plate
It is connected to the second driving shaft,
The orientation of the first shell and the second shell includes: that the first shell and the second shell are facing with each other
0 degree is in open and flat 180 degree and the first shell and described the in face of closure, the first shell and the second shell each other
Two shells away form one another 360 degree, back to closure, are in 360 degree back to closure in the first shell and the second shell
When, the free end opposite with the biaxial hinge of the first shell and the second shell it is opposite with the biaxial hinge
Free end offset one from another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292855.9A CN109882497A (en) | 2019-04-11 | 2019-04-11 | Biaxial hinge and portable electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292855.9A CN109882497A (en) | 2019-04-11 | 2019-04-11 | Biaxial hinge and portable electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109882497A true CN109882497A (en) | 2019-06-14 |
Family
ID=66937158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910292855.9A Withdrawn CN109882497A (en) | 2019-04-11 | 2019-04-11 | Biaxial hinge and portable electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882497A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116677705A (en) * | 2022-12-01 | 2023-09-01 | 荣耀终端有限公司 | Transmission assembly of hinge, hinge and foldable electronic equipment |
| CN116838699A (en) * | 2022-03-23 | 2023-10-03 | 荣耀终端有限公司 | Rotating mechanism and foldable electronic device |
| WO2024001127A1 (en) * | 2022-06-30 | 2024-01-04 | Oppo广东移动通信有限公司 | Rotation shaft assembly, folding housing, and electronic apparatus |
-
2019
- 2019-04-11 CN CN201910292855.9A patent/CN109882497A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116838699A (en) * | 2022-03-23 | 2023-10-03 | 荣耀终端有限公司 | Rotating mechanism and foldable electronic device |
| WO2024001127A1 (en) * | 2022-06-30 | 2024-01-04 | Oppo广东移动通信有限公司 | Rotation shaft assembly, folding housing, and electronic apparatus |
| CN116677705A (en) * | 2022-12-01 | 2023-09-01 | 荣耀终端有限公司 | Transmission assembly of hinge, hinge and foldable electronic equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190614 |