CN106104037A - Shaft coupling - Google Patents
Shaft coupling Download PDFInfo
- Publication number
- CN106104037A CN106104037A CN201480068383.4A CN201480068383A CN106104037A CN 106104037 A CN106104037 A CN 106104037A CN 201480068383 A CN201480068383 A CN 201480068383A CN 106104037 A CN106104037 A CN 106104037A
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- CN
- China
- Prior art keywords
- component
- projection
- shaft coupling
- slit
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
- F16D3/185—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth radial teeth connecting concentric inner and outer coupling parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pivots And Pivotal Connections (AREA)
- Support Of The Bearing (AREA)
Abstract
A kind of shaft coupling, including internals (1), internals has the spherical periphery of the outer convex surface (S1) centered on central point (C).First internals has the moment of torsion axis (A1) extending through central point.Second component external rings (2) has the spherical periphery of inner concave surface, and the spherical periphery of this inner concave surface is complementary centered on central point and with the outer peripheral edge of internals.One of first internals (1) and second component have elongated projection (M1), and elongated projection is projected in the corresponding elongated slot (K1) of another component in the way of being parallel to the line extending radial to central point.Slit and projection extend in the plane being parallel to moment of torsion axis (A1).Projection and slit interact so that the moment of torsion around moment of torsion axis (A1) is transferred to another component from a component.The side that internals and second component can limit out in projection and slit relative to each other rotates upwards about described central point.
Description
Technical field
The present invention relates to a kind of shaft coupling.
Background technology
Mechanical coupling is well-known.Example includes: for couple the shaft coupling of axle of angular displacement, universal joint,
Constant velocity cardan joint, for drive shaft is attached to the shaft coupling of driven shaft, for torque axis is connected to such as suspension system
The shaft coupling of structural detail.
Content of the invention
According to the present invention, there is internals and the shaft coupling of outer annular member includes: one or more pairs of components, described
One or more pairs of components can include or can not include one of penetralia component and most external component or two, every pair of structure
Part is the first component and the second component having common axis and having public first center being positioned on described axis；
Described first component has the spherical periphery of outer convex surface；
Described second annular construction member has inner spherical concave surface periphery, the outer convex surface periphery of described first annular component
It is received in described inner spherical concave surface periphery；
Described outer convex surface periphery and described inner concave surface periphery are concentric and complimentary to one another with regard to described first center,
And interact with each other to transmit the axial load along described moment of torsion axis effect between；
Another component that at least one elongated projection is projected into this pair component from one of a pair component component
Elongated slot in, each projection and each slit containing or be parallel to be related to this in the plane of the central axis of component
Elongation, described slit and described projection project upwards in the side of described plane and be arranged to this to component interact with from
This penetralia component to component transmits moment of torsion to this another component to component；
Each component in addition to described internals has a pair of the half extension across its width diametrically
Opposed loading slit, so that the first component of a pair component can be incorporated into the inner concave surface week of this second component to component
In edge and axially kept by this second component to component.
For most of actual application, the plurality of component in addition to external member includes the ball with convenience center
Shape section.
Spherical segment is the part between the pair of parallel plane in spheroid.But, in some cases, wherein it is possible to
Consider to use spherical segment and its midplane is not parallel but non-intersect or cut off by circular cone in common axis for the tip
Situation, this replacement scheme can have the disadvantage in that in manufacturing, assemble and using and unlikely be used.
Appended description in the claims and/or finds other features of the present invention.
The shaft coupling according to the present invention can be used for having the situation of at least one rotary freedom
Any two structural detail of lower link couples.Some examples as being attached to the " structural solid of fixed structure by element
Determine shaft coupling " it is useful.Other examples are useful as " flexible coupling " coupling two rotation elements.
By way of example, the axle of connection angular displacement, such as universal joint, constant speed can be used according to the various shaft couplings of the present invention
Universal joint, for drive shaft is attached to the shaft coupling of driven shaft；For torque axis is connected to the structure of such as suspension system
The shaft coupling of element.
Brief description
The example of the present invention is described referring to the drawings, in the accompanying drawings:
Fig. 1 illustrates the reference frame of the operation of shaft coupling according to an embodiment of the invention；
Fig. 2 A to Fig. 2 D illustrates the example of the shaft coupling according to the present invention, Fig. 2 A be component misalignment in the case of shaft coupling
Normal axomometric drawing, Fig. 2 B is the axial side view of the shaft coupling in reference frame, Fig. 2 C be along Fig. 2 B axis A2 cut
The cross-sectional view taking, Fig. 2 D is the cross-sectional view intercepting along axis A3 of Fig. 2 B；
Fig. 3 A to Fig. 3 E illustrates the method for the shaft coupling assembling Fig. 2；
Fig. 4 A and Fig. 4 B illustrates the hub centre steering mechanism of the example including the shaft coupling according to the present invention；
The cross-sectional view of a pair shaft coupling that Fig. 5 A and 5B is connected together；
Fig. 6 A to Fig. 6 C is according to another example of the shaft coupling of the present invention, and Fig. 6 A is the cross section along axis A2 of Fig. 6 B
Figure, Fig. 6 B is the axonometric drawing along axis A1 of Fig. 1, and Fig. 6 C is the perspective view of the component misalignment of shaft coupling；
Fig. 7 A to 7C illustrates a pair shaft coupling linking together, and Fig. 7 A is the cross-sectional view of the element alignment of shaft coupling,
Fig. 7 B illustrates component misalignment, and Fig. 7 C is the normal axomometric drawing of component misalignment；
Fig. 8 A to Fig. 8 E illustrates another example of the shaft coupling according to the present invention, and Fig. 8 A is that the axle of the axis A1 along Fig. 1 regards
Figure, Fig. 8 B is the isometric axonometric drawing of the component misalignment illustrating shaft coupling, and Fig. 8 C is the cross-sectional view along axis A3, and Fig. 8 D is
Along the cross-sectional view of axis A2, Fig. 8 E is the side view of the shaft coupling as shown in Fig. 8 A；
Fig. 9 A to Fig. 9 E illustrates that, according to the bearing in the example of the shaft coupling of the present invention, Fig. 9 A is the axle of the element of shaft coupling
View, Fig. 9 B is the side view of the element of Fig. 9 A, and Fig. 9 C is the top view of the element of Fig. 9 A, and Fig. 9 D is the cross section of shaft coupling
Figure, Fig. 9 E is the normal axomometric drawing of shaft coupling；
Figure 10 illustrates the device rotating against of the element for limiting the shaft coupling according to the present invention；
Figure 11 is the schematic diagram of projection beneficial in the example according to the shaft coupling of the present invention and slit；
Figure 12 A is the cross-sectional view of the remodeling of the shaft coupling of accompanying drawing before illustrating misalignment element, and Figure 12 B is Figure 12 A
The normal axomometric drawing of shaft coupling；
Figure 13 A to Figure 13 C illustrates the another example shaft coupling according to the present invention, and Figure 13 A is that the axle of the axis A1 along Fig. 1 regards
Figure, Figure 13 B is the perspective view of the component misalignment illustrating shaft coupling.Figure 13 C is another of component misalignment illustrating shaft coupling
Normal axomometric drawing；
Figure 14 A to Figure 14 E illustrates another example of the shaft coupling according to the present invention, and Figure 14 A is that the element of shaft coupling is not right
The axonometric drawing of the accurate axis A1 along Fig. 1, Figure 14 B is that the axle of plane C-C along Figure 14 D regards cross-sectional view, and Figure 14 C is along figure
The cross-sectional view of plane A-A of 14A, Figure 14 D is the side view of the shaft coupling of Figure 14 A, and Figure 14 E is the normal axomometric drawing of shaft coupling；
Figure 15 A and Figure 15 B shows another example of the shaft coupling according to the present invention；
Projection that Figure 16 is shown in the part combining shaft coupling and the connection of the use with the axle in another part for the slit
The example of axial organ, wherein, Figure 16 A, 16B, 16D are the rear isometric view of the out-of-alignment shaft coupling of component, isometric front
With isometric side view；Figure 16 C is the cross-sectional view of shaft coupling, and
Figure 17 A to 17D illustrates another example of the shaft coupling according to the present invention, and Figure 17 A is the isometric forward sight of shaft coupling
Figure, Figure 17 B is the rear isometric view of shaft coupling, and Figure 17 C is the cross-sectional view on axis A3, and Figure 17 D is isometric side view.
Detailed description of the invention
The example of the present invention in Fig. 2 to 17 is described with reference to reference frame as shown in Figure 1.
Reference frame has the first axle A1 limiting axial direction.Second axis A2 is perpendicular to first axle A1.
It is the central point C on the concentric spherical surface of the concentric member of shaft coupling in the intersection of first axle and the second axis.First axle
Line and the second axis and central point are positioned in the first plane P1, and first axle is positioned at vertical with the first plane with central point
In two planes P2.It is perpendicular to two other plane through the 3rd plane P3 of central point C.It is perpendicular to the 3rd axle of axis A1 and A2
Line A3 is positioned in the 3rd plane and passes through central point C.
First axle A1 is that moment of torsion axis, such as drive shaft or driven shaft are connected to shaft coupling on first axle A1, the
Two axis A2 and the 3rd axis A3 are the axis rotating against of shaft coupling.
In some instances, shaft coupling has some components centered on central point C and with another central point C2 is
Other components at center, when component is on time, described another central point C2 offsets along first axle A1 from C.Inclined from C of C2
Shifting can be a small amount of e.g. a few tenths of a mm.It is respectively parallel to other two axial lines A21 of axis A2 and A3 and during A31 passes through
Heart point C2.
In fig. 2, shaft coupling includes a pair component 201 and 202, and inner annular member 201 and outer annular member 202 are each
From including spherical segment.Inner annular member 201 and has around axis A1 centered on the central point C being positioned on this axis
Outer peripheral edge surface S1, outer peripheral edge surface S1 are that convex surface is spherical and centered on central point C.Inner annular member 201 has
Having center port 40, center port 40 has the spline 42 for engaging corresponding splined shaft in this example.
Outer annular member 202 has an inner circumference concave spherical surface S21, inner circumference concave spherical surface S21 with
The convex surface outer surface S1 of internals 201 is complementary.Concave spherical surface S21 is centered on identical central point C.External member
The internal spherical surface S21 of 202 and outer spherical surface S1 of internals 201 are the sliding bearing surfaces of contact.
Elongated projection M1 and M11 radial to central point C and are parallel to from the convex surface spherical surface S1 of internals 201
One axis A1 extends.The outer surface of projection extends also parallel with spherical surface S1.Projection extends to the interior of outer annular member 202
In complementary slot K1 in portion's concave surface S21 and K11.Inner annular member and outer annular member are limited by projection and slit
One-tenth can relative to each other rotate around the second rotation A2, and the second rotation A2 passes through central point and is perpendicular to the first axle
Line.Projection M11 identical with projection M1 and slit K1 respectively with slit K11 and with projection M1 and slit K1 at diametrically opposite.Connection
Axial organ can work in the case of without projection M11 and slit K11, but less firm and be easy to lost efficacy.
The internally positioned component of central point C 201 of adjacent convex surface spherical surface and concave spherical surface S1, S21 axial
Between forward surface F1 and F3 and between exterior face F2 and F4 of externally-located component 202.Therefore, inner convex surface spherical surface exists
The radius of the periphery of the middle position being axially opposite between F1 and F3 of face is more than the concave surface of external member 202 in axial face
The radius of the periphery at F2 and F4.Therefore, the operation model that inner annular member rotates around the second axis in outer annular member 202
It is axially retained in enclosing in outer annular external member.
In example E1 shown in Fig. 2, in the centre bore of internals 201, there is to engage the spline 42 of axle.Can
To be additionally or alternatively provided for engaging the spline (not shown) of another axle in the outer peripheral edge of external member 202.
Shaft coupling can be allowed to slide relative to axle, thus axial freedom is provided.
In the illustrated example, projection M1, M11 are coupled to make at the both sides of projection and slit in association slit K1, K11
Both sides between there is minimum clearance.But, in another example, one of projection is projected in its association slit and makes
There is predetermined enough gaps to associate slit being engaged to it with minimum clearance between the both sides of projection and the both sides of slit
Another projection is standby in the case of inefficacy.
In fig. 2, internals 201 and external member 202 are all annular.Internals 201 and external member 202 are every
Individual is all the part of spheroid centered on the central point C of first axle A1 and the intersection of the second axis A2.
As shown in Fig. 2 A to Fig. 2 D, projection is projected into the slit of external member 202 from inner annular member 201
In.But, projection can be projected into the slit of inner annular member 201 from external member.
In fig. 2, spherical surface bears radial to axis and the load acting in the axial direction.In projection and slit transmission
The moment of torsion of the spaced winding first axle of portion's component and external member.Internals 201 and external member 202 include spherical segment.
In a purposes of shaft coupling, axle around first axle rotation from internals 201 pass through projection M1 and M11 with
And slit K1 and K11 is transferred to the external member 202 that rotates equally.External member can be connected to another axle.In another purposes
In, one of component component (such as external member) is fixing and static torque is transferred to external member from internals.
Fig. 3 A to Fig. 3 E illustrates how the shaft coupling of Fig. 2 assembles.Figure 4 below is to the every other shaft coupling shown in 17
Device uses identical method.External member 202 has two diametrically opposite loading slit L1 and L2.As shown in Fig. 3 E
, slit extends across the half of the width of external member.The opposed bottom surface 6 of the diameter being sized such that slit of slit
It is spaced apart the distance of the diameter of the outer surface S1 of internals 201.The width of each slit is equal to, or slightly larger than internals
Width.As shown in Fig. 3 A, 3B and 3C, internals 201 is with the side of its projection M1, M11 and slit K1, K11 alignment
Formula is introduced to slit from side, and is then rotated so that projection enters slit.
Other shaft couplings described below have the two or more annular construction members around internals concentric ring.Every a pair
Annular construction member can assemble according to the mode describing with reference to Fig. 3.It should be noted that Fig. 3 D and Fig. 3 E illustrates such as Fig. 6 A to Fig. 6 C
The annular construction member 602 of embodiment, the embodiment of Fig. 6 A to Fig. 6 C has two annular construction members, intermediate annular around internals
Component 602 is assemblied in outermost annular component 603.
The assemble method of Fig. 3 provides a kind of firm, solid shaft coupling.Which enables independent component by solid material
Part processes and makes the failure risk minimum causing that is bound up two component half.Described method can make
Described in this specification whole supporting surfaces be all continuous print, i.e. avoid by connected by bolt or weld together two
Any joint (and the atenuator region being consequently formed) of the junction of the component that individual half portion assembles.
The possible purposes of of the shaft coupling of Fig. 2 is the hub centre steering mechanism of vehicle.In the diagram, steering wheel hub 62
Being supported by supporting member 64, supporting member 64 is cantilever in this example.
Cantilever 64 is attached to steering wheel hub 62 by shaft coupling P1.Arm 64 is bonded on the first inside of shaft coupling by spline 42
In the center port 40 of annular construction member 201.Projection M1, M11 and slit K1, K11 allow outer annular member 202 around an axis
(steer axis) rotates relative to the first inner annular member 201 and arm 64.External member 202 supports wheel 62, wheel 62 energy
Enough rotations on bearing 63.Steering arm 60 be fixed to outer annular member 202 so that its relative to the first inner annular member and
Axle 64 rotates.
In this example, projection M1, M11 and slit K1, K11 provide and support to allow to rotate against, but not drive hub
62。
Fig. 5 A illustrates a kind of coupling system, and this coupling system includes that two are passed through connection member as shown in Figure 2
66 shaft couplings linking together.This structural member 66 is rigidly attached two shaft couplings.In fig. 5, this structural member connects shaft coupling
The external member 202 of device.The projection of two shaft couplings is relative to each other vertical, but can be with out of plumb.In the example of Fig. 5 A, even
Access node component is the pipeline coupling external member.In the remodeling of Fig. 6 A, one of shaft coupling fixing in the duct and another
Individual freely move axially in pipeline.
In another example shown in Fig. 5 B, the external member 202 of a shaft coupling is by with 68 companies schematically showing
Access node component is connected to another internals 201.
One exemplary application of this shaft coupling is crank.If the projection of two shaft couplings is identical orientation.At it
In his example, the projection of a shaft coupling is perpendicular to the projection of another shaft coupling.
In Fig. 6 A to 6C, shaft coupling includes the first inner annular member the 601st, annular intermediate member 602 and annular outermost
Portion's component 603.Component the 601st, the 602nd, each in 603 include the spherical segment with regard to center C.Inner annular member 601 with
Centered on first axle A1, inner annular member 601 has the spherical outer peripheral edge table of the convex surface centered on the some C of axis A1
Face S1.First inner annular member 601 has centre bore 40, and in this example, it is right that center circle cylindrical 40 has for engaging
The spline 42 of the splined shaft answered.
Intermediate annular component 602 has internal spherical surface S21, and internal spherical surface S21 is and the first internals 601
The complementary concave spherical of outer surface S1.In this example, the internal structure of the internal spherical surface S21 and first of intermediate member 602
Outer spherical surface S1 of part 601 is the sliding bearing surface of contact.
Diametrically opposite elongated projection M1 and M11 from the convex surface spherical surface S1 of internals 601 radial to the first axle
Line A1 and be parallel to first axle A1 extend.The radially-outer surface of projection extends also parallel with spherical surface S1.Projection extends
Complementary slot K1 in the inner concave surface surface S21 of intermediate member 602 and K11.Projection M1 and M11 and slit K1 and K11 limit
Make the first internals 601 and intermediate member 602 around through and perpendicular to first axle A1 the second rotation A2 relative to
Mutually rotating.
Intermediate member 602 has spherical outer peripheral edge S22 of convex surface.Outermost annular component 603 has internal spherical surface
S31, internal spherical surface S31 are the complementary concave spherical of the outer surface S22 with intermediate member 602.In this example, most external
Outer spherical surface S22 of the internal spherical surface S31 of component and intermediate member 602 is the sliding bearing surface of contact.
Second elongated projection M2 and M22 from the convex surface spherical surface S22 of intermediate member 602 along the radial direction of first axle and
It is parallel to first axle to extend.The radially-outer surface of the second projection M2 and M22 extends also parallel with spherical surface.
Projection M2 and M21 extend to the second complementary slit K2 in the inner concave surface surface of outermost annular component 603 and
K21.Second projection M2 and M21 and the second slit K2 and K21 are perpendicular to the first projection M1 and M11 and the first slit K1 and K11.The
Two projections M2 and M21 and the second slit K2 and K21 limit intermediate member 602 and most external component 603 around the 3rd rotation A3
Relative to each other rotating (seeing Fig. 1), the 3rd rotation A3 passes through central point C and is perpendicular to first axle A1 and vertical
In the second axis A2.
Internals 601 is maintained in intermediate member 602, and intermediate member 602 is maintained in most external component 603.
In this example, the second projection M2 and M21 and corresponding slit K2 and K21 can omit, but in situation about losing efficacy
Under less safe.
One purposes of the shaft coupling of Fig. 6 is as universal joint, and this is owing to it allows axle to pass through internals and outermost
Portion's component carries out angular displacement around rotating against of the second axis.
The shaft coupling of Fig. 6 has flange 44, and flange 44 is fixed to the 3rd annular construction member or integral with the 3rd annular construction member
In order to the 3rd annular construction member is connected to structural detail, such as axle.During flange 44 can pass through spline or some other connections
Replace.
In internals 601 and intermediate member 602, projection M1, M11 and M2, M21 can at intermediate member 602 and
External member 603 projects to slit K1 and K11, in K2, K21 respectively.
Multipair component 601 and 602 and 602 and 603 each include following claims implication in a pair component.
Fig. 7 illustrates a kind of coupling system, and this coupling system includes being filled by shaft coupling of the type shown in two Fig. 6
Put the 66 shaft coupling E2 linking together (without flange 44).This structural member is rigidly attached two shaft couplings.At Fig. 7, it connects
The most external component 603 of shaft coupling.In the example in figure 7, connection member is the pipeline coupling external member.In another example
In, replacing pipeline, the most external component of a shaft coupling is connected to another penetralia component.If one of shaft coupling
Projection or multiple projection be not orthogonal to another projection or multiple projection, an example of use of the shaft coupling of Fig. 7 is near
It is similar to dual cardan type U-joint device.One of shaft coupling E2 freely axially can move in pipeline 66.
In another example, depending on application, projection M1, M11, M2 and M21 of a shaft coupling can be perpendicular to another
The projection of person, or it is preferably parallel to the projection of another one.
At Fig. 8 A to Fig. 8 E, shaft coupling include the central point C on first axle A1 centered on inner annular member
801st, the second intermediate annular component, the second intermediate annular component and the 3rd intermediate annular component the 802nd, the 803rd, 804 and external rings
Shape component 805.Component 801 and 802 and its spherical bearing surface are concentric with regard to central point C.Component 804 and 805 and its ball
Shape supporting surface is concentric with regard to central point C2, inclined along axis A1 as described in the reference frame at Fig. 1 of central point C2
Move.Second intermediate member 803 has the internal spherical surface centered on C and the outer spherical surface centered on C2.
Inner annular member 801 has outer spherical surface S1, and outer spherical surface S1 is with the center of first axle A1
Convex surface centered on some C is spherical.Inner annular member 801 has center port, and middle foramen cordiforme has for engaging corresponding flower
The spline of key semiaxis.
First intermediate member 802 has internal spherical surface S21, and internal spherical surface S21 is and first annular component 801
The complementary concave spherical of outer surface S1.In this example, the internal spherical surface S21 of annular construction member 802 and first annular structure
Outer spherical surface S1 of part 801 is the sliding bearing surface of contact.
Diametrically opposite elongated projection M1 and M11 are from the concave spherical surface S1 of inner loop 801 along first axle A1's
Radially and be parallel to first axle A1 and extend.The radially-outer surface of projection M1 and M11 extends also parallel with spherical surface S1.Prominent
Act the first complementary slit K1 and K11 in the inner concave surface surface S21 extending to the first intermediate annular component 802.First dashes forward
Rise and the first slit limits a pair component including internals 801 and the first intermediate annular component 802 around being perpendicular to the first axle
The second axis A2 of line A1 relative to each other rotates.
First intermediate annular component 802 has spherical outer peripheral edge S22 of convex surface.Second intermediate annular component 803 has
Internal spherical surface S31, internal spherical surface S31 are the complementary concave surface balls of the outer surface S22 with the first intermediate annular component 802
Shape.In this example, the internal spherical surface S31 of the second intermediate member 803 and the outside of the first intermediate annular component 802 are spherical
Surface S22 is the sliding bearing surface of contact.
Second elongated projection M2 and M21 are from the concave spherical surface S22 of the first intermediate member 802 along the footpath of first axle A1
To and be parallel to first axle A1 extend.The radially-outer surface of the second projection M2 and M21 prolongs also parallel with spherical surface S22
Stretch.Projection extends in complementation the second slit K2 and K21 in the inner concave surface surface S31 of the second intermediate member 803.Second dashes forward
Play M2 and M21 and the second slit K2 and K21 and be perpendicular to the first projection M1 and M11 and the first slit K1 and K11.Second projection M2 and
M21 and the second slit K2 and K21 limit a pair component including the first intermediate annular component 802 and the second intermediate member 803 around
3rd axis A3 relative to each other rotates, and the 3rd axis A3 passes through central point C and is perpendicular to first axle A1 and the second axis
A2。
Second intermediate annular component 803 has spherical outer peripheral edge S32 of convex surface.3rd intermediate annular component 804 has
Internal spherical surface S41, internal spherical surface S41 are the complementary concave surface balls of the outer surface S32 with the first intermediate annular component 803
Shape.In this example, the outside of the internal spherical surface S41 of the 3rd intermediate annular component 804 and the second intermediate annular component 803
Spherical surface S32 is the sliding bearing surface of contact.
3rd elongated projection M3 and M31 are from the concave spherical surface S32 of the second intermediate annular component 803 along first axle A1
Radial direction and be parallel to first axle A1 extend.The radially-outer surface of projection M3 and M31 prolongs also parallel with spherical surface S32
Stretch.Projection M3 and M31 extend to the 3rd complementary slit K3 in the inner concave surface surface of the 3rd intermediate annular component 804 and
K31.3rd projection M3 and M31 and the 3rd slit K3 and K31 are in identical plane with projection M2 and M21 and slit K2 and K21,
Therefore a pair component including the second intermediate member 803 and the 3rd intermediate member 804 is limited around the axis A31 being parallel to axis A3
Relative to each other rotate.Can be appreciated that, the second intermediate annular component 803 is different from other annular construction members to be: in first
Between its internal slot K2 of cooperating with M21 of projection M2 of annular construction member 802 and K21 be in same level with projection M3 and M31.
3rd intermediate annular component 804 has spherical outer peripheral edge S42 of convex surface.Concave spherical and the 3rd annular construction member
The outer surface S42 of 804 is complementary.In this example, the internal spherical surface S51 of outermost annular component 805 and the 3rd intermediate annular
Outer spherical surface S42 of component 804 is the sliding bearing surface of contact.4th elongated projection M4 and M41 are from the 3rd annular structure
The concave spherical surface S42 of part 804 along first axle A1 radial direction and be parallel to first axle A1 extend.
The radially-outer surface of the 4th projection M4 and M41 extends also parallel with spherical surface.Projection extends to most external component
The 4th complementary slit K4 and K41 in the inner concave surface surface S51 of 805.4th projection M4, M41 and the 4th slit K4, K41
It is perpendicular to the 3rd projection M3, M31 and the 3rd slit K3, K31.4th projection M4, M41 and the 4th slit K4, K41 limit and include the
A pair component of three intermediate annular components 804 and most external component 805 relative to each other revolves around the axis A21 being parallel to axis A2
Turn, as shown in Fig. 8 D.Another axis A21 is through and perpendicular to first axle, and this is due to the 4th projection M4, M41 and the 4th
Slit K4, K41 are parallel to the first projection M1 and M11 and the first slit K1 and K11.
Component by with describe with reference to Fig. 3 identical in the way of assembled and be maintained in shaft coupling.
In former example, projection M11, M21, M31 and M41 and corresponding slit K11, K21, K31 and K41 can save
Omit, but less safe when losing efficacy.
In the example of fig. 8, it was found that, the 3rd intermediate member and most external component should be along axis A1 relative to the first structures
Part and second component skew.This can by by outer spherical surface S32 of the second intermediate member 803 from the second intermediate member
The internal spherical surface S31 axial dipole field of 803 realizes, as shown in Fig. 8 D.
One example of use of the shaft coupling of Fig. 8 is to be similar to constant velocity cardan joint or dual cardan type U-joint.Double at one
In the design of connection formula, inner annular member 801 can be configured to move in a horizontal plane, and the first intermediate annular component 802 is permissible
Being configured to move in vertical plane, the second intermediate annular component 803 can be configured in (but having side-play amount) vertical plane
Middle movement, the 3rd intermediate member 804 can be configured to move in a horizontal plane.In another design, inner annular member 801
Being configured to move in vertical plane, the first intermediate member 802 is mobile in a horizontal plane.
In the example of fig. 8, in inner annular member, projection can project to the slit of outer annular member.
Multipair component 801 and 802 and 802 and the 803rd, 803 and 804 and 804 and 805 each includes that following right is wanted
Seek a pair component in implication.
Component 801 and 802 includes the spherical segment with regard to center C.The 803rd, component 804 and 805 includes with regard to center C2's
Spherical segment.But, the spherical segment centered on the center port Shi Yi center C of the second intermediate member 803.
In the example of Fig. 2 to Fig. 8, spherical surface is entirely the sliding bearing surface of contact.Can be at a pair annular structure
Between the adjacent spherical surface of part, spherical roller or other rolling bearings are set.
Rolling bearing can be set in projection.
With reference to Fig. 9 A, 9B and 9C, arrange between the internals 901 of a pair component 901 and 902 and be maintained at two cages 91
In the rolling bearing of ball bearing 90 form.Alternatively embodiment or additionally, recessed in the both sides of projection M1 and M2
Portion L2 arranges the roller bearing 92 being maintained in cage G.
Returning to Figure 10, as discussed, radial load and axial load are born in the spherical surface cooperation of a pair adjacent component
Lotus.Can bear desired axial load and radial load in order to ensure shaft coupling, spherical surface needs overlapping fully.Cause
This, can arrange the device rotating against limiting a pair adjoining members.This restriction device also assists each inner annular structure
Part is maintained in the outer annular member of its association.In Fig. 10, limiting device and can including steady pin N, steady pin N is from a pair
The external member 1002 of component 1001 and 1002 is projected in the groove L of adjacent component, and in the present embodiment, steady pin is for being somebody's turn to do
In projection M1 of the inner annular member 1 of a pair component.This restriction device other examples include shaft coupling in retainer
With the supporting mechanism portion limiting movement.
Figure 11 illustrates the form of projection M1, M2... etc..Projection M is projected in slit K.As schematically shown in fig. 11
Go out, it is preferable that the radially-outer surface of projection is spaced apart to avoid with its radially outer end of slit or at least reduces the footpath in projection
To load.
The projection of any one in the example of the present invention and slit can have involute or pseudo-involute shape.Projection M
Its radially outer end can be spaced apart with slit K radially outside to reduce the radial load on projection and slit.
The purpose of involute shape is abutment pressure distribution and stress distribution in raising/reduction projection, as involute
The situation of spline.
End in Figure 11, the outer end of projection M1, M2... etc. is shown as the cross section of a part of cylinder profile, end
Portion can have the cross section of flat plate.Generally, longitudinally, the profile of end be annular construction member associated with it be concentric
's.But, if the slit of projection and association is sufficiently deep and allows enough between the outer end and the base portion of slit of projection
Gap, then surface can be spherical, columnar or smooth (straight through).
As shown in Figure 12, in order to increase the range of operation rotating against, in two pairs of adjoining members 1 and 2 or 2 and 3
External member 2 or 3 can be more than an internal component 1 or 2 in axial direction A 1.Figure 12 illustrates three annular construction members the 1st, 2
With 3.The principle of Figure 12 can apply to any one in each pair of annular construction member of the example of the present invention.In other words, by outside structure
The inner spherical concave surface periphery of part 2 or 3 is suitably larger than by the spherical convex surface in outside of internals 1 or 2 facing to the angle at center
Periphery is facing to the angle at center.
In all examples describing above by reference to Fig. 1 to 12, the slit K of each projection M and association limits and the first axle
Concentric sagittal plane P2 and P3 of line A1, wherein, the adjoining members being coupled by projection and slit is limited around axis A2, A3, A21
Or A31 relative to each other rotates.It should be noted that in example described above, projection and slit are all in axis A1
On the heart C or C2 radially projecting.
As figure 13 illustrates, in the adjacent each pair of component (figure 13 illustrates is 1 and 2) of example described above
Each single projection and the projection that can be opened by two (or multiple) parallel interval of the slit of association and slit replace.At Figure 13
In the example illustrating, each single projection and slit are replaced by two projections M16, M16' and slit K16, K16', relatively
A projection and slit and each projection and slit and the institute rotating against on every side of the described sagittal plane P rotating
State sagittal plane P apart from equal.In the example in figure 13, projection and slit every side of plane P2 and with plane P2 distance phase
Deng.
In other examples, single projection that each of example described above radially extends with associate slit can by from
The single projection that offsets through the sagittal plane of this projection radially extending and slit and be parallel in the plane of this plane and narrow
Groove is replaced.
Figure 14 illustrates the important embodiment of the present invention, and this important embodiment is in order to the height set up in such as aircraft industries
The strict application of security uses.It at Figure 14, in addition to projection M and slit K, is provided for coupling the axle of adjacent component
X.Figure 14 illustrates the remodeling of the shaft coupling of Fig. 6, and wherein, axle X2, X21 and X1, X11 are separately positioned on axis A2 and A3, axle X2,
X21 and X1, X11 are by projection M1 of the multipair adjacent component 601 and 602 and 602 and 603 rotating against, M11, M2, M21
Limit with slit K1, K11, K2, K21.The axle of connection adjoining members can include two diametrically opposite axles, and said two is straight
Axle opposed on footpath is fixed to the external member of two components and the internals being projected in two components an end
Outer surface hole in.Each this axle is used as the plain bearing of the internals in two components.Can be at a pair component
Internals encloses and sets around an axis roller or other rolling bearings.
Axle X has gap around the hole of the internals of a pair annular construction member.For example, in Figure 14 B, axle X2 and axle X21
There is in its hole of annular construction member 602 gap, and the base portion of axle X2 and axle X21 also not contact protrusion M1 and M11.At figure
In 14C, similarly, axle X1 and X11 does not contacts with inner annular member 601.Therefore, torque load is at component the 601st, the 602nd, 603
Between pass through the normal delivery such as projection and slit M1, M2 etc. and K1, K2.If projection M1 lost efficacy, projection M22 provides enough superfluous
Remaining is to realize normal operating.But, if projection M11 also lost efficacy, then axle X1 and X11 can replace projection M1 and M11 transmission
Torque load.Owing to even if one of axle X1 and X11 lost efficacy, shaft coupling can continue to work, accordingly, there exist further
Redundancy.This redundancy provides enough safety operation continuity can identify realization in normal maintenance, and thus replacement
Shaft coupling.
Previous paragraphs in, coupling design become make torque load can pass through projection and slit normal delivery.By setting
Count narrow projection (or broader slit) and reduce gap around axle, in the event of a failure, can lead to reversed position
Cross axle normally to bear load and projection and groove and be used as standby.
In addition to projection and slit, can some of the example with multipair component such as Fig. 6 and Fig. 8 to but non-
All to component on axle is set.For example, in addition to projection and slit, can interior to component (that is, the component of Fig. 6
801 and the 802 of 601 and 602 and Fig. 8) on axle is set.
Figure 15 illustrates another remodeling of the shaft coupling shown in Fig. 6.In fig .15, internals 601 have diametrically right
Radially projecting jut M1 and M11 putting, it is projected into the internal spherical surface of intermediate member 602 from outer spherical surface
Complementary slot K1 and K11.Jut limits the first component and second component relatively rotates in the plane of jut.
Intermediate member 602 has the outer spherical surface that the inside concave surface with most external component 603 engages.Second structure
Part and the 3rd component are coupled by coplanar with projection M1, M11 (alignment) semiaxis X23 and X23 so that this is to component 602 and 603
Rotating against of a pair component 601 and 602 can be perpendicular to.
This shaft coupling is beneficial, and this is owing to the moment of torsion between intermediate member with external member 602 and 603 is relative
Less than the moment of torsion between internals and the first intermediate member 601 and 602.
In the inner annular member 601 of the example of Figure 15, projection M1 and M11 can project to outer annular member 602
Slit.
Figure 16 illustrates the remodeling of the example of Fig. 8, wherein, including the second intermediate member and the 3rd intermediate member 803 and 804
A pair component and the projection that includes between the 3rd intermediate member 804 and a pair component of most external component 805 by X34, X341,
X45 and X451 replaces.Shown as ground, can there is a pair component 803 and 804 that will abut against and carry out with a pair component 804 and 805
The semiaxis coupling or two diametrically opposite semiaxis.3rd component more than Fig. 8 for the 3rd component thickness diametrically, this
It is owing to the 3rd component must accommodate the slit that the projection with second component associates and the 3rd component is connected to the 4th component
Semiaxis.As shown in Figure 8, the second intermediate member 803 internal group internals the 801st, the first intermediate member 802 with
And second intermediate member 803 and outside group the second intermediate member the 803rd, the 3rd intermediate member 804 and most external component 805 it
Between axial dipole field is set.
This shaft coupling is beneficial, this be due to outside group at moment of torsion relatively lower than applying to internal group
Moment of torsion.
With reference to Figure 17, Fig. 2, the 6th, the 8th, the 14th, any one example of the shaft coupling shown in 15 and 16 can be fixed on bearing 1701
In, bearing 1701 for example can be fixed to the fixed structure piece of such as dividing plate, floor or wall etc by flange 1702.This allows
Shaft coupling is attached to any two structural detail, and one, every side of fixed structure piece, shaft coupling must couple for making tool
There is at least two rotary freedom.For example, fixed structure can be the dividing plate of vehicle, and shaft coupling couple vehicle turn to machine
The section of structure.
Figure 17 bearing is shown in a shaft coupling.In the example of Fig. 5 and Fig. 7, by two of connection before and after pipeline 66
Individual shaft coupling can be supported in the bearing of pipeline 66.
In another arrangement, axle is fixed to the penetralia component of shaft coupling or becomes one with the penetralia component of shaft coupling
Body.In another arrangement, axle is fixed to the most external component of shaft coupling or is integrally formed with the most external component of shaft coupling.Axle
Can be fixed to the penetralia component of shaft coupling and most external component or with the penetralia component of shaft coupling and most external component
It is integrally formed.
Example described above can have in the internals of shaft coupling and/or in the peripheral edge surface of most external component
There is spline so that shaft coupling to be connected to structural detail to be coupled.
Alternatively, it is possible to use shaft coupling is connected to any other applicable device of structural detail.For example, outside week
Edge can have the screw thread for being connected to corresponding helicitic texture element.Similarly, center port as shown in Figure 2 can
There is screw thread or key to be attached to the axle with screw thread or keyway.Have two or more prominent on component especially for those
The example rising, projection should substantially equally divide carrying lotus.For sliding bearing surface, the surface of projection and slit should be exactly
Coupling.Equally, for sliding bearing surface, convex surface spherical surface and the concave spherical surface of cooperation should be mated exactly.This wants
Ask suitably accurately manufacturing of shaft coupling.
In the illustrative methods making shaft coupling, between projection and slit, inject lining material to provide accurately
Coordinate.Likewise it is possible to inject lining material between spherical bearing surface.Convex surface spherical surface can accurately be processed.Convex
Face spherical surface can be processed cursorily to form rough surface, and rough surface also can be the burst line being similar to curved surface
Property, can be that the lining material being injected between the convex surface of accurately processing and coarse concave surface is to form accurate match
Concave spherical surface.Convex surface spherical surface coating releasing agent before injection lining to shaft coupling.
Plastics can be injected to arrange supporting lining material；Component for some plastics of lining is not known, this
Be due to supplier's commerciality sensitive to its component.But, acetal resinBe can using
Know product or polytetrafluoroethylene (PTFE) (Polytetrafluoroethylene/PTFE) sill can be used.
Shaft coupling as described above can be made up of any applicable material.The example with sliding bearing surface is permissible
It is the metal of such as high-performance steel, brass, bronze, aluminium, titanium etc. processed shaping, or such as nylon, glass-filled Buddhist nun
Dragon, acetal, acrylonitrile-butadiene-styrene (ABS) (Acrylonitrile Butadiene StyreneAcrylonitrile
Butadiene Styrene/ABS), acetal resinPlastics and be molded or machine-shaping.Specifically,
It will be seen that use avoid manufacturing such as the loading slit describing with reference to Fig. 3 the annular construction member of two halfbodies and by the connection of its bolt,
Together, especially in the strict situation of security, this is the source of inferior position all the time for welding or die forging.It is to be noted that Fig. 6's
Shaft coupling can be configured to: internals 601 and most external component 603 are connected to axle or other structural details so that in the middle of only
Component 602 moves freely relative to other two components；This may cause designer to select brass or bronze in movement
Between component and select steel be used for internals 601 and most external component 603.Same principle can apply to other shaft couplings.
The desired use of shaft coupling is depended in the selection of material.
Above example is the illustrative examples of the present invention.Contemplate other embodiments of the present invention.It should be appreciated that with regard to
Any feature that any one embodiment describes can be used alone, or uses with other combinations of features describing, and also
Can use with one or more combinations of features of any other embodiment, or be combined with the combination of any other embodiment and make
With.On the premise of the scope of the present invention limiting in without departing from appended claims, can also use not described above
Equivalent and flexible program.
In the particular example of Fig. 2 to 17, internals is the annular construction member having center port to be fitted on axle.?
In some application, internals can not have a center port, and can be bolted on the end of axle or such as axle
Flange.Component in addition to internals has centre bore to allow this internals to be nested in this non-internals.
In all examples illustrating, component includes the spherical segment with parallel sides.Practicable is construction side
Uneven shaft coupling, but, in fact, this construction is likely to be not suitable for configuration.
In all examples, internals includes the annular spherical component receive with the center port of axle.But,
But internals can not have center port for example be bolted to the flange on axle.
In the illustrated example, for maximum tight ness rating, each component including spherical segment of a pair component has
Section is to the parallel sides being in common plane on time.Specifically:
In the arrangement of fig. 2, each component including spherical segment of a pair component has to being on time public flat
The parallel sides in face；
In the arrangement of Fig. 6, each component includes having the spherical segment to the parallel sides being in common plane on time；
In the arrangement of Fig. 8, the component (801,802) of first pair each includes having to being in common plane on time
The spherical segment of parallel sides, the component (804,805) of the component (803,804) of the 3rd pair and the 4th pair each includes having alignment
When be in the spherical segment of parallel sides of common plane.This is not suitable for the component (802,803) of second pair.
Previous paragraphs in discussion be unsuitable for following a pair component of shaft coupling as shown in Figure 12 significantly: the pair of
The external member of component has enhanced working range.
Claims (15)
1. a shaft coupling, has internals and outer annular member, and described shaft coupling includes one or more pairs of component, described
One or more pairs of components can include or can not include one of penetralia component and most external component or two, every pair of structure
Part is the first component and the second annular that have common axis (A1) and have public first center (C) being positioned on described axis
Component；Described first component has the spherical periphery of outer convex surface (S1)；Described second annular construction member has inner concave surface spherical week
Edge (S21), the outer convex surface periphery of described first annular component is received in the spherical periphery of described inner concave surface (S21)；Described
Outer convex surface periphery and described inner concave surface periphery are concentric and complimentary to one another with regard to described first center (C), and phase each other
Interaction is to transmit the axial load acting on along described moment of torsion axis (A1) between；At least one elongated projection (M) from
One of a pair component component be projected into this in the elongated slot (K) of another component in component, each projection (M) and every
Individual slit (K) containing or be parallel to elongation in the plane (P2) of this central axis to component that is related to, described slit (M) and
Described projection (K) project upwards in the side of described plane (P2) and be arranged to this to component interact with from this to component
Penetralia component to this to another component of component transmission moment of torsion；Each component in addition to described internals has horizontal stroke
A pair diametrically opposite loading slit that half across its width extends, so that the first component of a pair component can be incorporated into
In the inner concave surface periphery of this second component to component and axially kept by this second component to component.
2. shaft coupling according to claim 1, wherein, component in addition to described external member include having public in
The spherical segment of the heart (C, C2).
3. shaft coupling according to claim 1 and 2, including a pair elongated projection (M), the pair of elongated projection (M) from
One of the pair of component component is projected into this right to another component in component radial to described central axis (A1)
In the elongated slot (S) answered, described projection and described slit are in diametrically opposite each other and elongation in described plane.
4. according to shaft coupling in any one of the preceding claims wherein, wherein, the radial direction periphery in opposite directions of each projection (M) with should
The corresponding radial direction spaced surface in opposite directions that projection is projected into described slit (K) therein is opened.
5. according to shaft coupling in any one of the preceding claims wherein, wherein, the interaction as described shaft coupling supports
The described convex surface spherical surface on surface and described concave spherical surface (S1, S21...) are the sliding bearing surfaces of contact, described
The radial load of described shaft coupling is born on the sliding bearing surface of contact, and the sliding bearing surface of described contact is born described
The load along described moment of torsion axis effect of shaft coupling.
6. shaft coupling according to any one of claim 1 to 4, further includes at described convex surface spherical surface (S21)
And between described concave spherical surface (S1) and/or the elongated side in opposite directions of each described projection (M) is associated with slit (K)
Rolling element bearing (the 90th, 92) between corresponding elongated side.
7., according to shaft coupling in any one of the preceding claims wherein, there is an intermediate annular component (602), described inside
Component (601) and described intermediate member (602) form a pair component, and described intermediate member (602) and most external component
(603) form another and this is projected into structure from one of every pair of component component to component, at least one of which projection (M1, M2)
In at least one slit (K1, K2) of another component in part, and containing described intermediate member (602) and described most external structure
The plane of the slit between part (603) and projection be perpendicular to containing described internals (601) and described intermediate member (602) it
Between slit and the plane of projection.
8. shaft coupling according to any one of claim 1 to 6, has the first intermediate member (802), the second intermediate member
(803) and the 3rd intermediate member (804), described internals (801) and described first intermediate member (802) form a pair structure
Part, described first intermediate member (802) and described second intermediate member (803) are second pair of component, described second intermediate member
And described 3rd intermediate member (804) is the 3rd pair of component, and described 3rd intermediate member (804) and most external structure (803)
Part (805) is the 4th pair of component, and at least one of which projection (M) is projected into this to component from one of every pair of component component
Another component at least one slit (K) in, and in addition to described 3rd pair of component (the 803rd, 804), contain a pair structure
The plane of the slit between part and projection is perpendicular to the plane of the slit between a pair component containing next low ordinal number and projection,
Preferably, in the case of the 3rd pair of component, plane containing projection (M3, M31) and slit (K3, K31) with containing described the
The projection (M2, M21) of two pairs of components and the planar alignment of slit (K2, K21).
9. shaft coupling according to claim 8, wherein, described 3rd intermediate member (804) and described most external component
(805) there is public second center (C2), when described 3rd intermediate member (804) and described most external component (805) with described
Second intermediate member (803) is on time, and described public second center (C2) is along described central axis (A1) from described public first
Center (C) offsets.
10. shaft coupling according to claim 8 or claim 9, has it with described 3rd intermediate member and described most external component
Public second center (C2) centered on the spherical periphery of outer convex surface (S32) and its with described public first center (C) be
Inner spherical concave surface periphery (S31) at center.
11. shaft couplings according to according to any one of claim 7 to 10, a pair in addition to described first pair of component or
Having the axle (X) replacing projection and slit between multipair component, the axis of each described axle is the outside structure of the pair of component
The axis that part rotates around this internals to component.
12. shaft couplings according to any one of claim 1 to 10, also include at least one axle coupling each pair of component
(X), described axle is positioned at the axle that a component rotates along the direction that described projection and described slit limit out relative to another component
On line.
13. according to shaft coupling in any one of the preceding claims wherein, wherein, and the inner spherical concave surface week of described second component
Edge faces toward the angle that the angle at described center faces toward described center more than the spherical convex surface in outside of described first component.
14. 1 kinds of coupling systems, described coupling system includes two according in any one of the preceding claims wherein
Axial organ, wherein, connection member (the 66th, 68) connects two most external components (the 202nd, the 603rd, the 805th, 902) of described shaft coupling, or
The most external component of one shaft coupling of person (the 202nd, the 603rd, the 805th, 902) is connected to the interior of another shaft coupling by connection member
Portion's component (the 201st, the 601st, the 801st, 901), optionally, in addition, one of described shaft coupling shaft coupling is arranged to or is not set
It is set to freely to move axially relative to described connection member.
15. shaft couplings according to claim 1, including another elongated projection (M16'), another elongated projection described
(M16') it is projected into another slit (K16') of another component from one of a pair component component, another projection described
(M16') highlight in the plane parallel and spaced apart with described first plane with described another slit (K16') and extend.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1322096.7 | 2013-12-13 | ||
| GB1322096.7A GB2521208A (en) | 2013-12-13 | 2013-12-13 | Coupling |
| PCT/GB2014/053679 WO2015087080A2 (en) | 2013-12-13 | 2014-12-12 | Coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106104037A true CN106104037A (en) | 2016-11-09 |
Family
ID=50030905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480068383.4A Pending CN106104037A (en) | 2013-12-13 | 2014-12-12 | Shaft coupling |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP3080469A2 (en) |
| JP (1) | JP2016540176A (en) |
| KR (1) | KR20160097236A (en) |
| CN (1) | CN106104037A (en) |
| CA (1) | CA2932037A1 (en) |
| GB (2) | GB2521208A (en) |
| MX (1) | MX2016007693A (en) |
| WO (1) | WO2015087080A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036289A1 (en) * | 2019-08-28 | 2021-03-04 | 昆山睿唯景汽车科技有限公司 | Screw rod flexible transmission mechanism |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201518768D0 (en) * | 2015-10-22 | 2015-12-09 | Punk Couplings Ltd | Coupling and method of assembling a coupling |
| GB201510137D0 (en) * | 2015-06-11 | 2015-07-22 | Punk Couplings Ltd | Spragg and ratchet couplings |
| WO2016198867A1 (en) | 2015-06-11 | 2016-12-15 | Punk Couplings Limited | Coupling assembly and application to driven coupling, robotic arm and dual drive |
| GB2556235B (en) | 2015-06-11 | 2019-08-21 | Punk Couplings Ltd | Coupling seal |
| GB2564376A (en) * | 2017-05-25 | 2019-01-16 | Punk Couplings Ltd | Plaything |
| ES2934889T3 (en) * | 2019-08-30 | 2023-02-27 | Maqu Agricola Y Accesorios S L | Cardan joint connected to a drive shaft |
| GB2594492A (en) * | 2020-04-30 | 2021-11-03 | Punk Couplings Ltd | Damped coupling |
| DE102020102971B4 (en) | 2020-02-05 | 2022-09-29 | Edscha Engineering Gmbh | Joint part with a bearing element |
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| US1494465A (en) * | 1921-10-24 | 1924-05-20 | Alfred W Dunn | Universal joint |
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| CN2921433Y (en) * | 2006-07-14 | 2007-07-11 | 陈尚勇 | Spherical roller coupling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3084417A (en) * | 1959-11-14 | 1963-04-09 | Riv Officine Di Villar Perosa | Method of making a ball joint |
| FR2955162B1 (en) * | 2010-01-14 | 2012-06-29 | Patrick Marcouf Hubert Beguin | SEAL OF CARDAN SPERIC |
-
2013
- 2013-12-13 GB GB1322096.7A patent/GB2521208A/en not_active Withdrawn
-
2014
- 2014-12-12 CN CN201480068383.4A patent/CN106104037A/en active Pending
- 2014-12-12 WO PCT/GB2014/053679 patent/WO2015087080A2/en active Application Filing
- 2014-12-12 JP JP2016539108A patent/JP2016540176A/en active Pending
- 2014-12-12 CA CA2932037A patent/CA2932037A1/en not_active Abandoned
- 2014-12-12 EP EP14864999.9A patent/EP3080469A2/en not_active Withdrawn
- 2014-12-12 MX MX2016007693A patent/MX2016007693A/en unknown
- 2014-12-12 GB GB1422089.1A patent/GB2522767B/en active Active
- 2014-12-12 KR KR1020167017100A patent/KR20160097236A/en not_active Application Discontinuation
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|---|---|---|---|---|
| US1494465A (en) * | 1921-10-24 | 1924-05-20 | Alfred W Dunn | Universal joint |
| US2659217A (en) * | 1947-09-03 | 1953-11-17 | United Eng Foundry Co | Universal coupling |
| US5816926A (en) * | 1997-06-03 | 1998-10-06 | The Torrington Company | Ball and socket double cardan motion universal joint |
| CN1460582A (en) * | 2002-05-15 | 2003-12-10 | 株式会社神户制钢所 | Cutting device |
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| EP2075103A1 (en) * | 2007-12-27 | 2009-07-01 | The Japan Steel Works, Ltd. | Cutter device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036289A1 (en) * | 2019-08-28 | 2021-03-04 | 昆山睿唯景汽车科技有限公司 | Screw rod flexible transmission mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016540176A (en) | 2016-12-22 |
| EP3080469A2 (en) | 2016-10-19 |
| WO2015087080A2 (en) | 2015-06-18 |
| CA2932037A1 (en) | 2015-06-18 |
| GB2522767A (en) | 2015-08-05 |
| GB201322096D0 (en) | 2014-01-29 |
| GB2522767B (en) | 2016-07-06 |
| GB2521208A (en) | 2015-06-17 |
| WO2015087080A3 (en) | 2015-11-19 |
| KR20160097236A (en) | 2016-08-17 |
| MX2016007693A (en) | 2016-11-28 |
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