CN208669832U - Three-stage becomes torque structure and the twin shaft core shaft using it - Google Patents
Three-stage becomes torque structure and the twin shaft core shaft using it Download PDFInfo
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- CN208669832U CN208669832U CN201820007737.XU CN201820007737U CN208669832U CN 208669832 U CN208669832 U CN 208669832U CN 201820007737 U CN201820007737 U CN 201820007737U CN 208669832 U CN208669832 U CN 208669832U
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Abstract
The utility model discloses provide a kind of three-stage to become its twin shaft core shaft of torque structure and application, wherein, it includes two central spindles that three-stage, which becomes torque structure, first connecting plate, second connecting plate and at least a torsion piece A and at least a torsion piece B, torsion piece A and torsion piece B in the form of c-type through-hole elastomeric overmold in central spindle, and the medial surface of c-type through-hole forms the closure cambered surface for providing the torsion cambered surface of rotary torsion and being closed automatically, it is formed in central spindle and cuts open bevel, by the cooperation for cuing open closure cambered surface A and torsion cambered surface A on bevel and torsion piece A in central spindle, torsion piece A may be implemented in special angle self-closing function, by the cooperation for cuing open closure cambered surface B and two sections of torsion cambered surface B on bevel and torsion piece B in central spindle, while special angle self-closing function may be implemented, three sections of different rotations are provided Torsion, to meet different applications.
Description
Technical field
The present invention relates to a kind of twin shaft core shafts, are specifically related to a kind of three-stage change torque structure and the twin shaft using it
Core shaft.
Background technique
Shaft is also referred to as pivot device, is a kind of connecting element for being capable of providing and mutually rotating, is mainly used in the portion of rotation
Between part and its matrix, currently, being widely used in various digital products and electronic equipment, such as laptop, by turning
Axis rotates the folding function between ontology and display screen that laptop can be achieved.
In the prior art, the rotary torsion of shaft and self-closing function usually pass through the concave wheel being arranged in the central spindle of shaft
Concave point or salient point and cam on cooperation between salient point or concave point realize, i.e., the tight lock part being made of butterfly elastic slice, nut etc.
Part provides pretightning force, is rotated by central spindle band moving cam, so that the face contacted between cam and concave wheel is generated relative motion, to provide rotation
Turn torsion, when the salient point on cam is fallen into the concave point in concave wheel, rotary torsion is become smaller, it is produced from closure effect, but
It is, due to the slimming demand for development of the electronic equipments such as laptop, what the shaft of connection matrix and display screen can occupy
Space also more becomes to reducing, and the rotary torsion and self-closing structure of cam and concave wheel form generally require to occupy biggish space,
It can no longer meet electronic equipment slimization development need.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention proposes that a kind of three-stage becomes torque structure and turns using its twin shaft core
Axis realizes three sections of different rotary torsions, while realizing special angle self-closing function to meet different applied fields
It closes, and occupied space is smaller, can preferably meet the slimming growth requirement of the electronic equipments such as laptop.
The technical scheme of the present invention is realized as follows:
A kind of three-stage change torque structure, including two central spindles, the first connecting plate, the second connecting plate and an at least torsion piece
A and at least a torsion piece B, first connecting plate are set in two central spindles simultaneously, makes two central spindle intervals one
Set a distance, and relatively described first connecting plate of the central spindle only can circumferentially be freely rotated；Second connecting plate also covers simultaneously
It is located in two central spindles, and with first connecting plate between the upper and lower every setting, and the central spindle relatively described second connects
Plate only can circumferentially be freely rotated；
An at least torsion piece A and at least a torsion piece B is overlapped, and clamped it is positioned at first connecting plate and institute
It states between the second connecting plate, and the c-type through-hole A on the torsion piece A with corresponding with each central spindle with stroke；Institute
State the c-type through-hole B on torsion piece B with corresponding with each central spindle with stroke；
Two central spindles are led to by the c-type through-hole A and the c-type through-hole B elastomeric overmold, the central spindle by the c-type
The outer surface of the circular shaft part of hole A and c-type through-hole B cladding, which is cutd open, cuts, and forms one along the axial bevel that cuts open, the c-type is logical
The inner surface of hole A includes being closed cambered surface A and the torsion cambered surface A for being used to provide cladding power for cuing open bevel equivalent width and company
The climbing face A being connected between the closure cambered surface A and torsion cambered surface A；The inner surface of the c-type through-hole B includes arc of closure
Face B, it two sections of torsion cambered surface B for providing different cladding power, is connected between the closure cambered surface B and the torsion cambered surface B
The first climbing face B, the second climbing face B for being connected between two sections of torsion cambered surface B and be connected to the torsion cambered surface B
Third between the closure cambered surface B is climbed face B, and the sum of width of two sections of torsion cambered surface B and the bevel that cuts open
Equivalent width.
Further, the diameter of axle that a central spindle is coated by the torsion piece A and torsion piece B is less than another central spindle
The diameter of axle coated by the torsion piece A and torsion piece B, and the shapes and sizes of the torsion piece A and the torsion piece B are homogeneous
Together, the torsion piece A and torsion piece B is in the small long disc-shaped in the big one end in one end.
Further, the opening court of the opening direction and the c-type through-hole of the torsion piece B of the c-type through-hole of the torsion piece A
To difference.
Further, two sections of torsion cambered surface B of the torsion cambered surface A of the torsion piece A and the torsion piece B it is axial not
Overlapping.
A kind of twin shaft core shaft, including above-mentioned three-stage become torque structure, further include Biaxial synchronous structure, the twin shaft is same
Walking structure includes third connecting plate, the first driving wheel, the second driving wheel and transmission mechanism, and the third connecting plate is set in two
In the central spindle, and it is spaced apart with first connecting plate, and the relatively described third connecting plate of two central spindles can
Axial retention is circumferentially freely rotated；First driving wheel and second driving wheel are set to first connecting plate and described the
Between three connecting plates, first driving wheel tube is fixed in the central spindle, and second driving wheel tube is fixed in another institute
It states in central spindle, is sequentially connected between first driving wheel and second driving wheel by transmission mechanism, makes two axis
Core rotates synchronously.
Further, the first driving wheel in a central spindle, the transmission mechanism, in another described central spindle
Two driving wheels constitute Helical gear Transmission formula Biaxial synchronous mechanism or Worm Wheel System formula Biaxial synchronous mechanism or four gear drives
Formula Biaxial synchronous mechanism or helicla flute driven type Biaxial synchronous mechanism.
Further, relatively described first connecting plate of two central spindles, the second connecting plate and third connecting plate being capable of axis
The structure being circumferentially freely rotated to stop are as follows: stop edge and locking member, the stop edge pair are equipped in two central spindles
The outside of third connecting plate in its corresponding central spindle carries out backstop positioning, and the locking member is to the in its corresponding central spindle
The outside of two connecting plates carries out locking positioning.
Further, first driving wheel and the central spindle are integrally formed, second driving wheel and another
The central spindle is integrally formed, and the corresponding central spindle of the stop edge is integrally formed, and is formed with correspondence on the third connecting plate
The elastic notch of two first of two central spindles, the third connecting plate are positioned at the stop edge and first driving wheel
And between second driving wheel.
Further, it is equipped with the 4th connecting plate, two of corresponding two central spindles are formed on the 4th connecting plate
Second elastic notch, the elastic notch of the first of the third connecting plate are connected in the central spindle from the side of the central spindle, institute
The the second elastic notch for stating the 4th connecting plate is connected in the central spindle from the opposite other side of the central spindle, and the third connects
Fishplate bar and the 4th connecting plate are positioned between the stop edge and the first driving wheel and second driving wheel；Described first
The opposite two sides of connecting plate form the extension arm that the oriented third connecting plate and the 4th connecting plate extend, and the third connects
The notch of the corresponding extension arm is formed on fishplate bar and the 4th connecting plate, the extension arm is inserted in the notch.
Further, the locking member includes gasket, butterfly elastic slice and nut, the gasket, the butterfly elastic slice set
In its corresponding central spindle, and it is located at the outside of second connecting plate, the corresponding central spindle of the nut is threadedly coupled.
The beneficial effects of the present invention are: becoming torque structure the invention proposes a kind of three-stage and turning using its twin shaft core
Axis is the mode of a kind of new offer torsion and self-closing, is cutd open by the way that torsion piece A and torsion piece B is arranged and is formed in central spindle
Bevel may be implemented specific by the cooperation for cuing open closure cambered surface A and torsion cambered surface A on bevel and torsion piece A in central spindle
Angle self-closing function, by the cooperation for cuing open closure cambered surface B and two sections of torsion cambered surface B on bevel and torsion piece B in central spindle,
While special angle self-closing function may be implemented, three sections of different rotary torsions are provided, to meet different applications.
The technical principle of self-closing and rotary torsion is realized by torsion piece A are as follows: being formed on torsion piece A has the c-type of stroke logical
Hole A, c-type through-hole A can carry out elastomeric overmold to central spindle, that is, the cladding wall for surrounding c-type through-hole A, which constitutes one, has elasticity
Claw, set when in central spindle, can elastomeric overmold on central spindle lateral surface, in this way, due to coat power presence, central spindle turn
When dynamic, relative friction will be generated between central spindle and the medial surface of c-type through-hole A, using the rotary torsion relatively rotated as central spindle；?
The angle for needing to be closed, the non-bevel part of cuing open in central spindle are fallen into just in closure cambered surface A, and during this, c-type through-hole A is to axis
The cladding power of core becomes smaller, i.e., rotary torsion becomes smaller, it can be achieved that automatic closure.Bevel is cutd open in the angle for needing work, central spindle
It is crawled toward torsion cambered surface A by closure cambered surface through climbing face with the non-boundary line cutd open between bevel, during this, c-type through-hole A is to central spindle
Cladding power becomes larger, i.e., rotary torsion becomes larger, and needs biggish power just can be with rotating shaft core, to provide certain rotary torsion.
The technical principle of three sections of rotary torsions is realized by torsion piece B are as follows: the c-type through-hole B with stroke is formed on torsion piece B,
C type through-hole B can carry out elastomeric overmold to central spindle, that is, the cladding wall for surrounding c-type through-hole B constitutes a flexible card
Pawl, set when in central spindle, can elastomeric overmold on central spindle lateral surface, in this way, central spindle rotating due to the presence for coating power
When, relative friction will be generated between central spindle and the medial surface of c-type through-hole B, using the rotary torsion relatively rotated as central spindle；?
In one section of rotary torsion, non-in central spindle cuts open bevel part and is fallen into closure cambered surface B just, and during this, c-type through-hole B is to axis
The cladding power of core is minimum；In second segment rotary torsion, bevel and the non-boundary line cutd open between bevel are cutd open by arc of closure in central spindle
Face B crawls toward the torsion cambered surface B of first segment through the first climbing face, and during this, c-type through-hole B becomes larger to the cladding power of central spindle, that is, revolves
Turn torsion to become larger, needs biggish power just can be with rotating shaft core, to generate second segment rotary torsion.In third section rotary torsion
In, cut open bevel and the non-boundary line cutd open between bevel in central spindle crawl toward second through the second climbing face by the torsion cambered surface B of first segment
The torsion cambered surface B of section, during this, c-type through-hole B becomes larger to the cladding power of central spindle, i.e., rotary torsion becomes larger, and needs bigger power
It just can be with rotating shaft core, to generate third section rotary torsion.Preferably, the two of the torsion cambered surface A of torsion piece A and torsion piece B
Section torsion cambered surface B is not overlapped, in this way, when practical application, the sustainable generation chucking power of torsion piece A, and power is accommodated in 345-360 degree
It disappears, is produced from closure effect；And torsion piece B realizes first, second section of changes torsion in 0-340 degree, in 340-360 realization the
One section of change torsion, i.e. torsion transition at this time are produced from closure effect, and realize chucking power in folding.Three-stage of the present invention becomes
Torque structure can replace cam concave wheel closing structure, while providing three sections of rotary torsions, can realize self-closing in special angle
Function.Using its twin shaft core shaft, while different rotary torsion is provided and realizes special angle self-closing function, due to
Torsion piece A and torsion piece B are directly coated in central spindle, and the diameter of axle is programmable smaller, therefore, can reduce the sky of shaft occupancy
Between, it can preferably meet the slimming growth requirement of the electronic equipments such as laptop.
Detailed description of the invention
Fig. 1 is that three-stage of the present invention becomes torque structure schematic diagram；
Fig. 2 is torsion piece A structural schematic diagram in the present invention；
Fig. 3 is torsion piece A and central spindle fit structure schematic diagram in the present invention；
Fig. 4 is torsion piece B structure schematic diagram in the present invention；
Fig. 5 is torsion piece B and central spindle fit structure schematic diagram in the present invention；
Fig. 6 is torsion piece A and torsion piece B fit structure schematic diagram in the present invention；
Fig. 7 is one viewing angle constructions schematic diagram of twin shaft core shaft of the present invention；
Fig. 8 is another viewing angle constructions schematic diagram of twin shaft core shaft of the present invention；
Fig. 9 is the twin shaft core pivot structure schematic diagram of belt supporting frame of the present invention；
Figure 10 is two central spindle structural schematic diagrams in the present invention.
Specific embodiment
In order to be more clearly understood that technology contents of the invention, spy lifts following embodiment and is described in detail, and purpose is only
It is to be best understood from the protection scope that the contents of the present invention are not intended to limit the present invention.Each component part in the structure of embodiment attached drawing
It is not scaled by normal rates, therefore does not represent the practical relative size of each structure in embodiment.Wherein described structure or face is upper
Face or upside include intermediate the case where there are also other layer.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of three-stage change torque structure, including two central spindles 1,2,
First connecting plate 3, the second connecting plate 4 and an at least torsion piece A 5 and at least one torsion piece B 6, first connecting plate is simultaneously
It is set in two central spindles, keeps two central spindles spaced apart, and relatively described first connecting plate of the central spindle
Only can circumferentially it be freely rotated；Second connecting plate is also set in two central spindles simultaneously, and is connect with described first
Plate is between the upper and lower every setting, and relatively described second connecting plate of the central spindle only can circumferentially be freely rotated；An at least torsion piece A and
At least a torsion piece B is overlapped, and is clamped and is positioned between first connecting plate and second connecting plate, and is described
C-type through-hole A501 on torsion piece A with corresponding with each central spindle with stroke；On the torsion piece B have with it is each
The corresponding c-type through-hole B601 with stroke of central spindle；Two central spindles 1,2 are by the c-type through-hole A501 and the c-type
Through-hole B502 elastomeric overmold, the central spindle is by the outer surface quilt of the circular shaft part coated the c-type through-hole A and c-type through-hole B
It cuts open and cuts, form one in a central spindle and cut open bevel 101 along axial, form one in another central spindle and cut open bevel 201, institute along axial
State c-type through-hole A inner surface include be closed cambered surface A5011, with it is described cut open bevel equivalent width for provides coat power torsion
The power cambered surface A5012 and climbing face A5013 being connected between the closure cambered surface A and torsion cambered surface A；The c-type through-hole B
Inner surface include be closed cambered surface B6011, for provide it is different cladding power two sections of torsion cambered surface B6012,6013, be connected to institute
It states the first climbing face B6014 between the closure cambered surface B and torsion cambered surface B, be connected between two sections of torsion cambered surface B
Second climbing face B6015 and be connected to the torsion cambered surface B and it is described closure cambered surface B between third climbing face B6016, and
The sum of width of two sections of torsion cambered surface B and the equivalent width for cuing open bevel.
In above structure, is formed by setting torsion piece A and torsion piece B and in central spindle and cut open bevel, by central spindle
The cooperation for cuing open the closure cambered surface A and torsion cambered surface A on bevel and torsion piece A, may be implemented special angle self-closing function and rotation
Turn torsion, by the cooperation for cuing open closure cambered surface B and two sections of torsion cambered surface B on bevel and torsion piece B in central spindle, may be implemented
While special angle self-closing function, two sections of different rotary torsions are provided, to meet different applications.Pass through torsion
The technical principle of piece A realization self-closing and rotary torsion are as follows: c-type the through-hole A, the C with stroke are formed on torsion piece A
Type through-hole A can carry out elastomeric overmold to central spindle, that is, the cladding wall for surrounding c-type through-hole A constitutes a flexible claw,
Cover when in central spindle, can elastomeric overmold on central spindle lateral surface, in this way, due to coat power presence, central spindle rotation when, central spindle
Relative friction will be generated between the medial surface of c-type through-hole A, using the rotary torsion relatively rotated as central spindle；It is needing to be closed
Angle, the non-bevel part of cuing open in central spindle falls into just in closure cambered surface A, during this, cladding of the c-type through-hole A to central spindle
Power becomes smaller, i.e., rotary torsion becomes smaller, it can be achieved that automatic closure.The bevel that cuts open in the angle for needing work, central spindle is cut with non-cut open
Boundary line between face is crawled toward torsion cambered surface A by closure cambered surface through climbing face, during this, cladding power of the c-type through-hole A to central spindle
Become larger, i.e., rotary torsion becomes larger, and needs biggish power just can be with rotating shaft core, to provide certain rotary torsion.Pass through torsion
Power piece B realizes the technical principle of three sections of rotary torsions are as follows: the c-type through-hole B with stroke, the c-type are formed on torsion piece B
Through-hole B can carry out elastomeric overmold to central spindle, that is, the cladding wall for surrounding c-type through-hole B constitutes a flexible claw, set
When in central spindle, can elastomeric overmold on central spindle lateral surface, in this way, due to coat power presence, central spindle rotation when, central spindle with
Relative friction will be generated between the medial surface of c-type through-hole B, using the rotary torsion relatively rotated as central spindle；It is rotated in first segment
In torsion, non-in central spindle cuts open bevel part and is fallen into closure cambered surface B just, during this, cladding of the c-type through-hole B to central spindle
Power is minimum；In second segment rotary torsion, bevel and the non-boundary line cutd open between bevel are cutd open by closure cambered surface B through first in central spindle
Climbing face crawls toward the torsion cambered surface B of first segment, and during this, c-type through-hole B becomes larger to the cladding power of central spindle, i.e., rotary torsion becomes
Greatly, need biggish power just can be with rotating shaft core, to generate second segment rotary torsion.In third section rotary torsion, central spindle
On cut open bevel and the non-boundary line cutd open between bevel crawled toward the torsion of second segment by the torsion cambered surface B of first segment through the second climbing face
Cambered surface B, during this, c-type through-hole B becomes larger to the cladding power of central spindle, i.e., rotary torsion becomes larger, and needs bigger power just can be with
Rotating shaft core, to generate third section rotary torsion.Preferably, two sections of torsion of the torsion cambered surface A of torsion piece A and torsion piece B
Cambered surface B is not overlapped, in this way, when practical application, the sustainable generation chucking power of torsion piece A, and disappear in 345-360 degree aid power,
It is produced from closure effect；And torsion piece B realizes first, second section of change torsion in 0-340 degree, realizes that third section becomes in 340-360
Torsion, i.e. torsion transition at this time are produced from closure effect, and realize chucking power in folding.In this way, first segment rotary torsion can
Applied to the rotary torsion of common angle, second segment rotary torsion is larger, can be applied to touch control operation position, for example, user
When operating the display screen of folding type electronic product upper cover with touch control manner, good support effect can be provided, it is glimmering to reduce display
The shortcomings that curtain shakes, third section rotary torsion moment becomes smaller, and can be applied to self-closing when folding.Three-stage of the present invention becomes torsion
Structure can replace cam concave wheel closing structure, while providing three sections of rotary torsions, can realize self-closing function in special angle.
Using its twin shaft core shaft, while providing different rotary torsion and realizing special angle self-closing function, due to torsion
Piece A and torsion piece B are directly coated in central spindle, and the diameter of axle is programmable smaller, therefore, can reduce shaft the space occupied, can
Preferably meet the slimming growth requirement of the electronic equipments such as laptop.
In above structure, rotary torsion depends not only on the elasticity packet between central spindle and single torsion piece A and torsion piece B
Cover power, additionally depend on the friction area between central spindle and multiple torsion piece A and torsion piece B, therefore, by adjust torsion piece A and
The thickness or quantity of torsion piece B can obtain the rotary torsion of needs.And since torsion piece is directly coated in central spindle, by packet
It covers power and realizes rotary torsion, therefore, relative to cam and concave wheel, the diameter of axle of central spindle can design smaller, i.e. occupied space
It is smaller, it can preferably meet the slimming growth requirement of the electronic equipments such as laptop.
Theoretically, two central spindles, which may be designed to the identical diameter of axle, can also design the different diameters of axle, when being designed to the identical diameter of axle,
Occupied space is smaller in order to meet, and the diameter of axle of corresponding two central spindles of torsion piece can be as far as possible toward small design, to reach reduction product
The purpose of size, but if two central spindles all design very thin, the clad type rotary torsion that torsion piece provides will be unable to meet real
The requirement that border uses, therefore, as a kind of preferred embodiment, it is preferred that a central spindle by the torsion piece A and
The diameter of axle of torsion piece B cladding is less than the diameter of axle that another central spindle is coated by the torsion piece A and torsion piece B, and the torsion
Piece A and the shapes and sizes of the torsion piece B are all the same, and the torsion piece A and the torsion piece B are in that the big one end in one end is small
Long disc-shaped.I.e. by the relatively thick of central spindle design, to meet the integral strength need of the clad type rotary torsion of torsion piece offer
Ask, and another central spindle is designed as far as possible it is relatively thin, to meet the needs of reduction shaft occupied space.
The opening direction of the c-type through-hole A of torsion piece A can be overlapped with the opening of the c-type through-hole B of torsion B direction, can also
Not to be overlapped, it is preferred that referring to Fig. 6, the c-type through-hole of the opening direction and the torsion piece B of the c-type through-hole of the torsion piece A
Opening towards different, i.e. the opening of the c-type through-hole A of torsion piece A towards and the c-type through-hole B of torsion B opening towards not weighing
It is folded, to provide preferably cladding stability.
The torsion cambered surface A of torsion piece A and two sections of torsion cambered surface B of torsion piece B can be designed to Chong Die or not in the axial direction
Overlapping.Preferably, it is not weighed referring to two sections of torsion cambered surface B of Fig. 6, the torsion cambered surface A of torsion piece A and the torsion piece B axially
It is folded.
As shown in Fig. 1, Fig. 7, Fig. 8 and Fig. 9, a kind of twin shaft core shaft, including above-mentioned three-stage become torque structure, further include
Biaxial synchronous structure, the Biaxial synchronous structure include third connecting plate 7, the first driving wheel 8, the second driving wheel 9 and driver
Structure, the third connecting plate are set in two central spindles, and spaced apart with first connecting plate, described in two
The relatively described third connecting plate of central spindle can axial retention be circumferentially freely rotated；First driving wheel and second driving wheel
Between first connecting plate and the third connecting plate, first driving wheel tube is fixed in the central spindle, institute
It states the second driving wheel tube to be fixed in another described central spindle, passes through transmission between first driving wheel and second driving wheel
Mechanism driving connection rotates synchronously two central spindles.
Twin shaft core shaft of the present invention applies three-stage and becomes torque structure, due to reducing the diameter of axle of two central spindles, central spindle
And the size for the component being arranged thereon is reduced therewith, it, can in the hinge arrangement as electronic equipments such as laptops
It realizes special angle self-closing function, can also realize three sections of torsion variations, meanwhile, it can preferably meet the electricity such as laptop
The slimming growth requirement of sub- equipment.And can realize that twin shaft core rotates synchronously by Biaxial synchronous structure, to realize 360 degree rotation
The function of positioning, meets the synchronous on-off rotation at display screen of laptop and computer system end, and makes the connection of its rotary part more
It is perfect and smooth.
Preferably, the first driving wheel in a central spindle, the transmission mechanism, second in another described central spindle
Driving wheel constitutes Helical gear Transmission formula Biaxial synchronous mechanism or Worm Wheel System formula Biaxial synchronous mechanism or four gear driven types
Biaxial synchronous mechanism or helicla flute driven type Biaxial synchronous mechanism.As the driver between the first driving wheel and the second driving wheel
Structure, can be using Helical gear Transmission formula Biaxial synchronous mechanism or Worm Wheel System formula Biaxial synchronous mechanism or four gear driven types
Biaxial synchronous mechanism or helicla flute driven type Biaxial synchronous mechanism, these Biaxial synchronous mechanisms are the prior art, and connection is closed
System and operating principle, details are not described herein.
Preferably, referring to Fig. 7, relatively described first connecting plate of two central spindles, the second connecting plate and third connecting plate
It being capable of the structure that is circumferentially freely rotated of axial retention are as follows: stop edge 10 and locking member 11, institute are equipped in two central spindles
It states stop edge and backstop positioning is carried out to the outside of the third connecting plate in its corresponding central spindle, the locking member is corresponding to its
The outside of the second connecting plate in central spindle carries out locking positioning.In this way, passing through the cooperation of stop edge and locking member, may be implemented
The torsion chip self-closing structure and Biaxial synchronous structure that are arranged in two central spindles are positioned, realize two central spindles with respect to
The function that one connecting plate, the second connecting plate and third connecting plate axial retention are circumferentially freely rotated.Wherein locking member is used for cloth
It is placed in and turns the tip of the axis, axial compressing elastic force is provided.
As a preferred embodiment, a kind of gear driven type Biaxial synchronous mechanism is illustrated referring to Fig. 7,
In the first driving wheel, the second driving wheel be driving gear, transmission mechanism is two transmission gears 12, is set respectively in two central spindles
A driving gear is set, wherein the first connecting plate and third connecting plate are positioned at the both ends of two driving gears；Transmission gear is logical
It crosses shaft rotation to be set between the first connecting plate and third connecting plate, and is located between two driving gears, two driving gears
It engages with a transmission gear, is intermeshed between two transmission gears respectively, constitute the twin shaft core shaft of four gear driven types.
By the engaged transmission between driving gear and transmission gear, the 360 degree of free overturnings of twin shaft core shaft may be implemented, to meet pen
Remember the different deformation form of this grade product.
Two driving gears are sheathed in its corresponding central spindle in the present embodiment, in order to reduce the size of twin shaft core shaft,
Preferably, referring to figs. 7 and 8, the first driving wheel and a central spindle are integrally formed, second driving wheel and another institute
Central spindle integrated molding is stated, the corresponding central spindle of the stop edge is integrally formed, and corresponding two are formed on the third connecting plate
Two first of a central spindle elastic notches 701, the third connecting plate be positioned at the stop edge and the first driving wheel and
Between second driving wheel.In above structure, since the first driving wheel and the second driving wheel and central spindle are integrally formed, third connects
Fishplate bar and the first connecting plate cooperate, and for positioning to two transmission gears, therefore, third connecting plate can only be with the side of engaging
Formula is fastened in central spindle, by the elastic notch of setting first, it can be achieved that the cutting ferrule with central spindle is connect.
Since third connecting plate is the connection realized in a manner of engaging with central spindle, shaft during rotation, may be led
Cause is loosened in engagement direction, causes gear-driven unstable, it is preferred, therefore, that referring to Fig. 7, is equipped with the 4th connecting plate
13, the second elastic notch 1301 of corresponding two central spindles is formed on the 4th connecting plate；The third connecting plate
First elastic notch is connected in the central spindle from the side of the central spindle, and the elastic notch of the second of the 4th connecting plate is from institute
The opposite other side of central spindle is stated to be connected in the central spindle, and the third connecting plate and the 4th connecting plate be positioned at it is described
Between stop edge and the first driving wheel and second driving wheel, the opposite two sides of first connecting plate form oriented described
The extension arm 14 that three connecting plates and the 4th connecting plate extend is formed on the third connecting plate and the 4th connecting plate
The notch 15 of the corresponding extension arm, the extension arm are inserted in the notch.In this way, the 4th connecting plate is from the other side of central spindle
It is fastened in central spindle, and passes through the cooperation of extension arm and notch, limit third connecting plate and the 4th connecting plate in engagement direction
Movement therefore can be avoided loosening, cause gear drive unstable.
Preferably, referring to Fig. 7, the locking member includes gasket 1101, butterfly elastic slice 1102 and nut 1103, the pad
Piece, the butterfly elastic slice are sheathed in its corresponding central spindle, and are located at the outside of second connecting plate, and the nut is right with it
The central spindle answered is threadedly coupled.Locking member is for applying axial pressure, to the first connecting plate being arranged thereon, the second connection
Plate and torsion piece A and torsion piece B offer compression positioning function between them.
When twin shaft core shaft is applied in the electronic equipments such as laptop as hinge arrangement, referring to Fig. 9, it is also necessary to pacify
Bracket 16 is filled, to realize the connection between the body portion and display screen of the electronic equipments such as laptop, in this way, an axis
Core generally comprises coupling part 110, circular shaft part 120, non-circular portion 130 and the threaded portion 140 of sequence setting, another
A central spindle generally comprises coupling part 210, circular shaft part 220, non-circular portion 230 and the threaded portion 240 of sequence setting, ginseng
See Figure 10, coupling part is used for mounting bracket 16, to realize body portion and display screen with electronic equipments such as laptops
Between connection, circular shaft part becomes torque structure and Biaxial synchronous structure, opposite three sections of the installation in the part for installing three-stage
Formula, which becomes torque structure and Biaxial synchronous structure, to be circumferentially freely rotated, and the outer surface of the circular shaft part of a central spindle is cutd open and cuts shape
At bevel 101 is cutd open, the outer surface of the circular shaft part of another central spindle, which is cutd open to cut to be formed, cuts open bevel 201；Non-circular portion is for installing
Locking member, so that lock portion is rotated together with central spindle, threaded portion provides pretightning force for installing nut.
To sum up, the present invention proposes that a kind of three-stage becomes torque structure and the twin shaft core shaft using it, is realizing specific angle
While spending self-closing function, realize three sections of different rotary torsions, to meet different applications, and occupied space compared with
It is small, it can preferably meet the slimming growth requirement of the electronic equipments such as laptop.
Above embodiments are referring to attached drawing, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art
Member by above-described embodiment carry out various forms on modification or change, but without departing substantially from essence of the invention in the case where, all
It falls within the scope and spirit of the invention.
Claims (10)
1. a kind of three-stage becomes torque structure, it is characterised in that: including two central spindles, the first connecting plate, the second connecting plate and extremely
Lack a torsion piece A and at least a torsion piece B, first connecting plate are set in two central spindles simultaneously, make described in two
Central spindle is spaced apart, and relatively described first connecting plate of the central spindle only can circumferentially be freely rotated；Second connection
Plate is also set in two central spindles simultaneously, and with first connecting plate between the upper and lower every setting, and the central spindle is with respect to institute
Stating the second connecting plate only can circumferentially be freely rotated；
An at least torsion piece A and at least a torsion piece B is overlapped, and clamped it is positioned at first connecting plate and described the
Between two connecting plates, and the c-type through-hole A on the torsion piece A with corresponding with each central spindle with stroke；The torsion
C-type through-hole B on piece B with corresponding with each central spindle with stroke；
Two central spindles by the c-type through-hole A and the c-type through-hole B elastomeric overmold, the central spindle by the c-type through-hole A and
The outer surface of the circular shaft part of the c-type through-hole B cladding, which is cutd open, cuts, and forms one and cuts open bevel along axial, the c-type through-hole A's
Inner surface includes being closed cambered surface A and the torsion cambered surface A for being used to provide cladding power for cuing open bevel equivalent width and being connected to institute
State the climbing face A between the closure cambered surface A and torsion cambered surface A；The inner surface of the c-type through-hole B includes closure cambered surface B, uses
In first for providing two sections of torsion cambered surface B of different cladding power, being connected between the closure cambered surface B and torsion cambered surface B
Climbing face B, second be connected between two sections of torsion cambered surface B, which are climbed, face B and to be connected to the torsion cambered surface B and closes with described
Close the third climbing face B between cambered surface B, and the sum of width of two sections of torsion cambered surface B and the equivalent width for cuing open bevel.
2. three-stage according to claim 1 becomes torque structure, it is characterised in that: a central spindle is by the torsion piece
The diameter of axle of A and torsion piece B cladding is less than the diameter of axle that another central spindle is coated by the torsion piece A and torsion piece B, and the torsion
Power piece A and the shapes and sizes of the torsion piece B are all the same, and the torsion piece A and the torsion piece B are in that the big one end in one end is small
Long disc-shaped.
3. three-stage according to claim 2 becomes torque structure, it is characterised in that: the c-type through-hole of the torsion piece A is opened
Mouth direction is different from the opening of the c-type through-hole of torsion piece B direction.
4. three-stage according to claim 3 becomes torque structure, it is characterised in that: the torsion cambered surface A of the torsion piece A with
Two sections of torsion cambered surface B of the torsion piece B are not overlapped axially.
5. a kind of twin shaft core shaft, it is characterised in that: become torque structure including the described in any item three-stage of claim 1-4,
It further include Biaxial synchronous structure, the Biaxial synchronous structure includes third connecting plate, the first driving wheel, the second driving wheel and transmission
Mechanism, the third connecting plate are set in two central spindles, and spaced apart with first connecting plate, two institutes
State the relatively described third connecting plate of central spindle can axial retention be circumferentially freely rotated；First driving wheel and second transmission
Wheel is set between first connecting plate and the third connecting plate, and first driving wheel tube is fixed in the central spindle,
Second driving wheel tube is fixed in another described central spindle, passes through biography between first driving wheel and second driving wheel
The transmission connection of motivation structure rotates synchronously two central spindles.
6. twin shaft core shaft according to claim 5, it is characterised in that: the first driving wheel, institute in a central spindle
State transmission mechanism, the second driving wheel composition Helical gear Transmission formula Biaxial synchronous mechanism in another described central spindle or worm and gear
Driven type Biaxial synchronous mechanism or four gear driven type Biaxial synchronous mechanisms or helicla flute driven type Biaxial synchronous mechanism.
7. twin shaft core shaft according to claim 5, it is characterised in that: relatively described first connection of two central spindles
Plate, the second connecting plate and third connecting plate being capable of the structures that are circumferentially freely rotated of axial retention are as follows: are all provided in two central spindles
There are stop edge and locking member, the stop edge carries out backstop positioning to the outside of the third connecting plate in its corresponding central spindle,
The locking member carries out locking positioning to the outside of the second connecting plate in its corresponding central spindle.
8. twin shaft core shaft according to claim 7, it is characterised in that: first driving wheel and a central spindle one
Body formed, second driving wheel and another described central spindle are integrally formed, the corresponding central spindle one of the stop edge at
Type, two first elastic notches of corresponding two central spindles are formed on the third connecting plate, and the third connecting plate is fixed
Between the stop edge and first driving wheel and second driving wheel.
9. twin shaft core shaft according to claim 8, it is characterised in that: be equipped with the 4th connecting plate, the 4th connecting plate
On be formed with two second elastic notches of corresponding two central spindles, the elastic notch of the first of the third connecting plate is from described
The side of central spindle is connected in the central spindle, the elastic notch of the second of the 4th connecting plate other side opposite from the central spindle
It is connected in the central spindle, and the third connecting plate and the 4th connecting plate are positioned at the stop edge and the first driving wheel
And between second driving wheel；The opposite two sides of first connecting plate form the oriented third connecting plate and the described 4th
The extension arm that connecting plate extends is formed with the slot of the corresponding extension arm on the third connecting plate and the 4th connecting plate
Mouthful, the extension arm is inserted in the notch.
10. twin shaft core shaft according to claim 7, it is characterised in that: the locking member includes gasket, butterfly elastic slice
And nut, the gasket, the butterfly elastic slice are sheathed in its corresponding central spindle, and are located at the outside of second connecting plate,
The corresponding central spindle of the nut is threadedly coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007737.XU CN208669832U (en) | 2018-01-03 | 2018-01-03 | Three-stage becomes torque structure and the twin shaft core shaft using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007737.XU CN208669832U (en) | 2018-01-03 | 2018-01-03 | Three-stage becomes torque structure and the twin shaft core shaft using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669832U true CN208669832U (en) | 2019-03-29 |
Family
ID=65819801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820007737.XU Withdrawn - After Issue CN208669832U (en) | 2018-01-03 | 2018-01-03 | Three-stage becomes torque structure and the twin shaft core shaft using it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019418A (en) * | 2018-01-03 | 2018-05-11 | 昆山玮硕恒基智能科技股份有限公司 | Three-stage becomes torque structure and applies its twin shaft core shaft |
-
2018
- 2018-01-03 CN CN201820007737.XU patent/CN208669832U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019418A (en) * | 2018-01-03 | 2018-05-11 | 昆山玮硕恒基智能科技股份有限公司 | Three-stage becomes torque structure and applies its twin shaft core shaft |
| CN108019418B (en) * | 2018-01-03 | 2024-05-28 | 昆山玮硕恒基智能科技股份有限公司 | Three-section type torque-changing structure and double-shaft core rotating shaft using same |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190329 Effective date of abandoning: 20240528 |