CN103534502A - A universal joint assembly for an automotive driveline system - Google Patents
A universal joint assembly for an automotive driveline system Download PDFInfo
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- CN103534502A CN103534502A CN201180067787.8A CN201180067787A CN103534502A CN 103534502 A CN103534502 A CN 103534502A CN 201180067787 A CN201180067787 A CN 201180067787A CN 103534502 A CN103534502 A CN 103534502A
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- jaw assembly
- lug
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- jaw
- annular wall
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- 230000005540 biological transmission Effects 0.000 claims description 36
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- 238000005728 strengthening Methods 0.000 abstract description 7
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- RNAMYOYQYRYFQY-UHFFFAOYSA-N 2-(4,4-difluoropiperidin-1-yl)-6-methoxy-n-(1-propan-2-ylpiperidin-4-yl)-7-(3-pyrrolidin-1-ylpropoxy)quinazolin-4-amine Chemical compound N1=C(N2CCC(F)(F)CC2)N=C2C=C(OCCCN3CCCC3)C(OC)=CC2=C1NC1CCN(C(C)C)CC1 RNAMYOYQYRYFQY-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
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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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
- Connection Of Plates (AREA)
Abstract
A die formed monolithic yoke assembly for a universal joint of an automotive driveline assembly subject to high torsional loads having a substantially uniformed thickness, including a cup-shaped portion, a pair of opposed lugs integral with and extending from an upper portion of the cup-shaped portion and an integral, outwardly deformed substantially continuous lip portion extending outwardly from the upper surface of the annular wall and the lugs substantially strengthening the yoke assembly particularly against torsional loads. In one embodiment, the upper end of the cup-shaped portion included concave arcuate portions on opposed sides of the lugs adjacent the lugs, such that the upper surface of the cup-shaped portion transitions from a concave surface to a convex surface strengthening the yoke.
Description
Technical field
The present invention relates generally to the drivetrain system for transmission for vehicles.More specifically, the present invention relates to a kind of universal joint member of the drivetrain system that stands high torque load and by punching press, form the method for this universal joint member.
Background technique
The transmission shaft component of motor vehicle is passed to driving wheel by the moment of torsion that comes from engine and speed changer.Transmission shaft component changes direction, the multiplication moment of torsion of power stream, and allows two friction speeds between driving wheel.A plurality of members that transmission shaft component comprises with operable communication engages each other.One in these members is universal joint, the high torque load that is conventionally greater than 2,000ft.lbs. that universal joint stands to apply in joint.Conventionally, universal joint comprises jaw or the jaw part of a pair of bifurcated, and this jaw or jaw are fixed on transmission shaft and are interconnected into cross, for around the rotation of axle independently.This cross comprises the crosshead of four quadratures, and wherein relative each is arranged in the hole of a pair of aligning in the jaw that is formed at bifurcated the crosshead of aiming at vertically.
Conventionally, bearing cup is fixed in each hole, and bearing unit remains in bearing cup, makes each jaw supported, for the pivotable with respect to a pair of crosshead, moves.The universal joint with the various routines of jaw part is known to the skilled in vehicle transmission system field, and is widely used in automobile industry now.Authorizing the 4th of Barnard, 307, No. 833; Authorize the 5th of Ohya, 601, No. 377; Authorize the 5th of Kostrzewa, 622, No. 085; Authorize Abe etc. the 5th, 845, No. 394; Authorize Barrett etc. the 6th, 162, No. 126; Authorize Wehner etc. the 6th, 280, No. 335; Authorize Kurecka etc. the 6th, 336, No. 868; Authorize the 6th of Sahr, 408, No. 708; Authorize Harer etc. the 6th, 591, No. 706; And authorize in the 6th, 736, No. 021 U. S. Patent of Adams etc. and disclose these universal joints.
For example, authorize the U. S. Patent the 5th of ohya, instructed the steering column for vehicles that the rotation of steering wheel is delivered to steering gear box 601, No. 377.In order to increase the degrees of freedom of the geometrical arrangements of steering system, steering column has by universal joint and a plurality of steering shaft connected to one another.By the U. S. Patent the 5th of authorizing Ohya, the universal joint of 601, No. 377 instructions has jaw and the cross portion of a pair of routine.Each jaw all there is base portion and in the diametric(al) of jaw toward each other and a pair of arm portion or the lug that on the axial direction of jaw, extend.Each arm portion all has circular opening and the sidepiece that becomes parallel relation to extend with the axial direction of jaw.Authorize the U. S. Patent the 5th of Ohya, the jaw of 601, No. 377 instructions is connected in steering shaft, and without undergoing in rotary moving in a large number, for example, as be connected to the jaw part on the universal joint of power train, and therefore do not think that it is feasible in power train, using.In addition, this jaw does not comprise in order to prevent the reinforcement feature of crooked any kind of arm portion during the rotation of jaw.
For example, authorize the U. S. Patent of Abe etc. and instructed the method for the jaw part with two isolated lugs of universal joint by the manufacture of metal sheet blank for the 5th, 845, No. 394, to obtain the jaw part of uniform thickness.Be similar to by the aforesaid U.S. Patent the 5th of authorizing Ohya, the jaw of 601, No. 377 instructions, isolated lug does not strengthen providing the structural integrity of jaw part.In addition, the jaw of instructing is connected in steering shaft, and for example, without undergoing (, as being connected to the jaw part on the universal joint of power train) in rotary moving in a large number, and therefore, do not think that it is feasible in drivetrain system, using.
In order to reduce the impact of vibration and the noise of generation, the universal joint that MANUFACTURER has used the whole bag of tricks to build transmission shaft and be connected thereto.Conventionally, the jaw of prior art is partly iron castings, so that serviceability to be provided but be difficult to balance.
Prior art has also proposed that (one of them plate comprises axle by U-shaped jaw parts bolt is connected to a plurality of plates, for example, as disclosed axle in No. the 4th, 702,722, the U. S. Patent of Narue etc.) on make the jaw for the universal joint of automotive transmission system.Yet if those of skill in the art are by understanding, any misalignment of these some members of this jaw assembly all will cause vibration or member may become misalignment after assembling.In addition, this jaw assembly is relatively costly, especially when comparing with improved universal joint of the present invention.
Prior art also comprises the fork for the jaw assembly of universal joint or constant velocity joint.U. S. Patent the 4th, the universal joint disclosing for steering column for 995, No. 849, it produces by stamped metal sheet material.Yet disclosed fork will be unsuitable for standing the universal joint of the vehicle transmission module of high torque load.
There is the chance of improving universal joint and manufacturing the method for universal joint, it will reduce the quality of jaw part, thereby reduces the impact of vibration and the noise of generation, increases the structural integrity of universal joint, make its easier balance, and improve the performance of power train application with low-cost and high power capacity.
Summary of the invention
A differential assembly for automotive transmission system, comprising: gear arrangement, differential cross pin, and at least one transmission shaft extending between gear arrangement and differential cross pin.There is operable communication in this transmission shaft and gear arrangement and differential cross pin.Universal joint assembly rotates around longitudinal axis, and has operable communication with gear arrangement and differential cross pin.Universal joint assembly of the present invention comprises at least one jaw part with dish or bowl-shaped portion, this jaw partly comprises tubulose or the sidewall of annular and the base wall of one, and the base wall of this one can have can be through the central opening of the expansion of rotating around longitudinal axis therebetween.A pair of relatively isolated arc ledge portion or lug and tubular sidewall are whole to be formed, and extends longitudinally from sidewall.Jaw of the present invention also comprises a pair of relative annulus of aiming at coaxially, and this sleeve integral body is gone out and extended from lug by each lug.The sheet metal that integrated type jaw of the present invention can have a basic uniform thickness by punching press forms.In one embodiment, the lug of integrated type jaw of the present invention or tab portion are divided and are comprised that cup-shaped substantially part, this cup-like portion comprise tubular portion or the annular portion with the diameter that is greater than bowl-shaped portion, and with the radial component of bowl-shaped portion one.In this embodiment of the present invention, the central opening of the expansion of the base wall by bowl-shaped portion has six ten at least percent diameter of the overall diameter that equals bowl-shaped portion, thereby fully reduces the weight of jaw.In addition,, in the present embodiment, bowl-shaped portion has continuous ，Qie Gai upper end, upper end and comprises the folding lip part extending radially outward from bowl-shaped portion.
Connector extends between jaw, and at least one in gear arrangement and differential cross pin is mechanically coupled to jaw part, thereby limit aforementioned operation, is communicated with.When universal joint rotates around longitudinal axis, jaw of the present invention has partly reduced to be connected to the vibration of the universal joint in the jaw part with equal substantially thickness.
If those of skill in the art are by understanding, for the jaw assembly of the universal joint of vehicle transmission module of the present invention, stand high torque load, be generally the torque load that is greater than 2000 Foot-Pounds.In typical case's application, this torque load can surpass 2,250 Foot-Pounds.In a preferred embodiment, jaw assembly forms by punching press a slice High-Strength Low-Alloy (HSLA) steel.If those of skill in the art are by understanding, punching press HSLA sheet job makes material hardens, has increased by about 30% intensity.Punching operation also causes the material attenuation slightly in regional area, is less than 20% or be less than about 10%.
In the new embodiment who utilizes the integrated type jaw assembly that mould forms of the universal joint of the disclosed vehicle transmission module of the present invention for the application, this integrated type jaw assembly comprises the cup-like portion (comprising base portion and upper surface) with annular wall, with have upper surface cup-like portion annular portion the whole combination of upper surface and from a pair of isolated relative lug or the lug of its extension, and one, the lip part of the basic continous being outwards out of shape, this lip part cardinal principle stretches out from upper surface and the lug of the annular wall of cup-like portion, further strengthening jaw is with opposing torque load.In disclosed embodiment, the upper surface of the annular wall of cup-like portion comprises the concave arcuate part of contiguous lug, at the lip of outwards distortion, partly locates from recessed surface transition to protruding surface, further strengthens jaw assembly with opposing torque load.In this embodiment, the lug of integrated type jaw assembly respectively comprises the relative tubular sleeve of aiming at coaxially.
Integrated type jaw assembly of the present invention is preferably has the thickness that is less than 10mm, but depends on size and the torque demand of vehicle, and this thickness can be from 3mm, and 4mm or 5mm change.In disclosed embodiment, lip extends around the upper surface of lug completely, and extends to the upper surface of the annular wall between lug and comprise this upper surface.Lip outwards extends transverse to the outer surface of lug and annular wall substantially.In a preferred embodiment, lip extends with the angle of about 45 degree with respect to the outer surface of lug and annular wall.Lip has is enough to strengthen jaw with the length of opposing torque load.In disclosed embodiment, lip has the length of the thickness that approximates at least greatly jaw.
The invention has the advantages that, improved jaw part for universal joint is provided, this jaw part can be stamped to form by metal sheet, the lightweight replacement scheme that the cast iron jaw part of vehicle transmission module well known in the prior art is provided, this has reduced the impact of vibration and the noise of generation.
Another advantage of the present invention is, the improved jaw part of the quality that reduces improved jaw part is provided, thereby has made its easier balance, and with low-cost and high power capacity, improved the performance of power train application.
Another advantage of the present invention is, improved jaw part is provided, wherein each isolated lug all provides central axis, it can have the oblique sidewall that arrives from the head neck inclination, thereby reduced to be applied to the stress in jaw part, and prevented that isolated lug is crooked when jaw part is rotated around longitudinal axis.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, will readily appreciate that other advantage of the present invention, because by describing in detail with reference to following, other advantage of the present invention becomes better understood, in the accompanying drawings:
Fig. 1 shows the elevational view of the vehicle frame with drivetrain system;
Fig. 2 is the decomposition view of universal joint assembly;
Fig. 3 is the perspective view of the jaw part of the universal joint assembly shown in Fig. 2;
Fig. 4 is the viewgraph of cross-section of the jaw part shown in Fig. 3;
Fig. 5 is the elevational view of the jaw part shown in Fig. 3;
Fig. 6 is sidepiece and the partial cross-sectional view that laser bonding or spin welding are connected to the jaw part shown in the Fig. 3 on the transmission shaft of various diameters;
Fig. 7 is the end view of the jaw part shown in Fig. 6;
Fig. 8 is the perspective view of alternative of the jaw part of universal joint assembly;
Fig. 9 is the viewgraph of cross-section of the jaw part shown in Fig. 8;
Figure 10 is the end view of the jaw part shown in Fig. 8; And
Figure 11 is sidepiece and the partial cross-sectional view of the jaw part shown in the Fig. 8 being mechanically connected on transmission shaft;
Figure 12 is for forming the top view in the progressive stamping stage of jaw part;
Figure 13 is the plane view of another alternative of integrated type jaw assembly of the present invention;
Figure 14 is the side view of the integrated type jaw assembly shown in Figure 13;
Figure 15 is the end view of the integrated type jaw assembly shown in Figure 13 and Figure 14;
Figure 16 is the top view of the integrated type jaw assembly shown in Figure 13 to Figure 15;
Figure 17 be direction along the view arrow 20-20 in Figure 16 at Figure 13 the side cross-sectional view to the integrated type jaw assembly shown in Figure 16;
Figure 18 is the perspective view of the integrated type jaw assembly shown in Figure 13 to Figure 17; And
Figure 19 is the side cross-sectional view that is welded to the integrated type jaw assembly on the vibrating part shown in Figure 18.
Embodiment
With reference to Fig. 1, substantially on the motor vehicle chassis shown in 10 places, comprise framework 12He power train mechanism.Power train mechanism comprises transmission assembly 14, differential assembly 16, and two universal joints substantially pointing out at 18 places, and this universal joint 18 extends between transmission assembly 14 and differential assembly 16, presents betwixt operable communication.Universal joint 18 rotates around longitudinal axis A during its operator scheme.As better shown in Figure 2, universal joint 18 comprises the first transmission shaft 19 and the second driving shaft 20 with a pair of jaw, for example, and the first jaw 24 and the second jaw 26.The first jaw 24 attaches on the first transmission shaft 19, and the second jaw or jaw part 26 attach on second driving shaft 20.
Substantially at the connector shown in 28 places or cruciform component, make the first jaw 24 and the second jaw 26 interconnection.Cruciform component 28 comprises the cross portion of substantially pointing out at 30 places, and this cruciform component 28 has center hub 32 and a pair of the first crosshead 34 and 36, and a pair of the second crosshead 38 and 40.The first crosshead 34 and 36 is with respect to the second crosshead 38 and 40 quadratures, and wherein all crossheads 34,36,38 and 40 are all arranged in common plane.The first crosshead 34 and 36 is cylindrical, and is applicable to insert in the first jaw 24.Equally, the second crosshead 38 and 40 is cylindrical, and is applicable to insert in the second jaw 26.Cruciform component 28 and the first jaw 24 are known to the skilled in differential mechanism field, and are not described in more detail and/or illustrate.
With reference to Fig. 3, to Fig. 7, illustrating in greater detail the second jaw 26, one embodiment of the present of invention have been shown.The second jaw 26 is connected on each end of second driving shaft 20, and the internal surface of substantially pointing out at 42 places and the outer surface of substantially pointing out at 44 places are provided.The second jaw 26 provides the thickness equating substantially limiting between internal surface 42 and outer surface 44.Cup part or the dish 46 of the second jaw 26 comprise frusto-conical configuration.This glass of part 46 has bottom or the base 50 being limited by upper, annular wall 52.
A pair of isolated lug 58 and 60 extends outwardly into head 62,64 from annular wall 52 respectively.Tiltedly sidewall 66 and 68 make each head 62 and 64 with annular wall 52 interconnection, to limit each isolated lug 58 that cardinal principle points out at 70 places and 60 neck.Each oblique sidewall 66 and 68 provides the acute angle limiting between axis A and each oblique sidewall 66 and 68.Each isolated lug 58 and 60 includes opening 72.As preferably, the diameter of opening 72 equals the distance limiting between the bottom of opening 72 and cup part 46 or base 50.Isolated lug 58 and 60 is relative to each other directed along diametric(al).Each isolated lug 58 and 60 comprises the annulus 74 with the whole combination of opening 72 and external opening 72.This annulus 74 stretches out from the internal surface 42 of the second jaw 26.Annulus 74 provides and a pair of first crosshead 34,36 of cruciform component 28 or the mechanically engaging of the second crosshead 38,40 in the mode known to the skilled in differential mechanism field.In addition, annulus 74 provides additional structural strengthening, for the first paired crosshead 34,36 or second crosshead 38,40 of cruciform component 28 are locked in isolated lug 58 and 60, and is locked between isolated lug 58 and 60.
A plurality of recesses 78 and 80 are limited in annular wall 52.A pair of relatively isolated auricle 82 and 84 is limited between each recess 78 and 80.Each isolated auricle 82 and 84 ends at folding lip part 86, to strengthen the second jaw 26 in this cutting zone.A pair of recess 90 and 92 is formed in each isolated lug 58 and 60.Each recess 90 and 92 is recessed bending, with the inclined-plane structure that limits the chamber of seeing from the outer surface 44 of jaw part and see from internal surface 42.Each recess 90 and 92 all extends to bottom or the base 50 of glass part 46 from each isolated lug 58 or 60, wherein described in each, recess 90 and 92 is formed at annulus 74 belows.Recess 90 and 92 is designed to strengthen isolated lug 58 and 60.
With reference to Fig. 6, jaw part 26 is connected by welding on first transmission shaft 19 or second driving shaft 20 of various diameters, and their diameter can change to 3.5'' from 3'' respectively.As preferably, use laser beam welding to fetch connection.Laser bonding is used and is amplified light as source, and to produce weld seam, that is, the specific wavelength of light completes welding process.As the welding process of high yield, laser bonding produces the degree of depth with minimum heat affected zone and penetrates welding, and has advantages of that the dissimilar metal of welding produces very low-heat simultaneously.For manufacturing conception of the present invention, laser bonding sooner, more clean and cost benefit is more worthwhile.
As alternative, jaw part 26 and transmission shaft 19 or 20 can fetch connection by spin welding or friction welding.Spin welding or friction welding use the heat by the spin friction generation at the joint line place limiting between jaw part 26 and transmission shaft 19 or 20 to weld them together.Machine (not shown) for example,, when a part of rotation (, jaw part 26), for example, is exerted pressure vertically against its static location counter pair (, transmission shaft 19 or 20), and the friction producing generates the molten heat together of part.The advantage of the spin welding technique of using in the present invention comprises, high-quality permanent joint, airtight sealing, lower equipment cost, simple and convenient assembly, energy efficient operation, do not need to ventilate, the sealing of handling, other part, far field Weldability at once, and there is no additional materials demand.Yet the constant thickness of jaw 26 of the present invention allows to use the not available MIG welding of casting jaw or the equivalent way of prior art.
The second jaw 26 comprises substantially at Fig. 8 to the first alternative shown in 100 places in Figure 11.The second jaw 100 provides and has been limited to the internal surface and the thickness that substantially equates of cardinal principle between 104 outer surfaces of pointing out of substantially pointing out at 102 places.Cup part or the dish 106 of the second jaw 100 comprise frusto-conical configuration.Cup part 106 has that limit by annular wall 110 and forms bottom or the base of glass part 106.Neck 112 stretches out from annular wall 110.Neck 112 has the diameter that size is specified to take in transmission shaft 20.
As illustrated better in Figure 10 and Figure 11, a plurality of circumferentially isolated female connector 116 are limited in neck 112, mechanically to engage second driving shaft 20.A plurality of public connectors or projection 118 are limited in the internal surface of transmission shaft 20.The public connector 118 of transmission shaft 20 mechanically engages the female connector 116 of the second jaw 100, thereby prevent that universal joint 18 is around the vertically moving and lateral movement of the second jaw 100 during longitudinal axis A rotation, this has reduced to be connected to the vibration of the universal joint 18 on the second jaw 100.
A pair of isolated lug 120 and 122 stretches out from cup part 106.Each isolated lug 120 and 122 all provides opening 124.Isolated lug 120 and 122 is relative to each other directed along diametric(al).Each isolated lug 120 and 122 includes the annulus 126 with the whole combination of opening 124 and external opening 124.Each isolated lug 120 and 122 includes the sidewall 128 and 130 with respect to longitudinal axis A deflection.As shown in Fig. 8 and Figure 10, dish 106 and each oblique sidewall 128 and 130 are interconnected by fan-shaped corner.As alternative, dish 106 and each oblique sidewall 128 and 130 unshowned non-fan-shaped corner in the present invention interconnect.Annulus 126 stretches out from the internal surface 102 of the second jaw 100.Annulus 126 provides and a pair of first crosshead 34,36 of cruciform component 28 or the mechanically engaging of the second crosshead 38,40 in the mode known to the skilled in differential mechanism field.In addition, annulus 126 provides additional structural strengthening, for the first paired crosshead 34,36 or second crosshead 38,40 of cruciform component 28 are locked in isolated lug 120 and 122, and is locked between isolated lug 120 and 122.A plurality of recesses 132 and 134 are limited in glass part 104.
A pair of relatively isolated auricle 136 and 138 is limited between each in each recess 132 and 134.Each isolated auricle 136 and 138 ends in folding lip part 140, to strengthen the second jaw 100 in this cutting zone.Recessed part or the class flesh part (muscle) substantially at 142 places, pointed out are out of shape in each isolated lug 120 and 122, for strengthening isolated lug 120 and 122.Class flesh part 142 forms by the outer surface 104 of punching press the second jaw 100, and to form recessed crooked chamber, from internal surface 102, this chamber extends to the convexly curved part of gusset 142.As preferably, gusset 142 provides the triangular construction of seeing from the outer surface 104 of the second jaw 100 and the inclined-plane triangular construction of seeing from internal surface 102.
By cardinal principle, the progressive stamping shown in 150 places in Figure 12 forms jaw part 26 and 100, this progressive stamping is different from machining (making metal forming (boring, sawing, grinding, turning, grinding etc.) by removing material), and be different from casting (wherein the metal of molten state is injected to mould, keep the shape of mould when it solidifies).Progressive stamping 150 is manufacturing technology, this technique can contain along with raw material metal, metal bar from reel (not shown) launch, by automatic feed system (not shown) supply with and punching, embossing, bending and change substantially at some alternate manners of 152 raw material metals of pointing out, metal bar.As discussed further below, automatic feed system promotes metal bar 152 through all stations or the platform of progressive stamping 150 along grading direction 154.One or more operations are carried out at each station, until formation finished product (as, jaw part 26 or 100).These operations are carried out by incremental pressing die (not shown).Incremental pressing die is placed on (not shown) in reciprocating punching machine.When reciprocating punching machine moves up, incremental pressing die is opened.When reciprocating punching machine moves down, incremental pressing die is closed.
As illustrated better in Figure 12, when stamping press is opened, by making automatic feed system promote metal bar 152 along grading direction 154, metal bar 152 is fed in stamping press.When stamping press is closed, incremental pressing die is carried out operation on raw material, incremental pressing die, as, the profile 156 of die-cut jaw part, it comprises the bottom of aforementioned isolated lug and jaw part.When progressive stamping 150 carries out, opening 72,124 is punched in each isolated lug, and the bottom punching press of jaw part or be deformed into aforesaid dish.When automatic feed system promotes metal bar 152 along grading direction 154, isolated lug bends to be approximately perpendicular to the bottom extension of jaw part.At metal bar 152, during along grading direction 154 charging, button parts 160 inserts between isolated lug, to be oriented at a pair of relative mould parts 162 and 164 supporting that forms annulus 74 or provide isolated lug at 126 o'clock.Relative mould parts 162 and 164 mechanical aspects are known to the skilled in punching press field.Corresponding relative mould parts 162 and 164 pair of sliding mechanism 166 and 168 end in pressing mold 170 and 172.Each pressing mold 170 and 172 diameter are all greater than opening 72,124 diameter, so that at slide mechanism 166 and 168 along corresponding die-cut direction 172 and 174 punching press annulus 74 when moving each other, 126, because pressing mold 170 and 172 forces opening 72,124, metal around enters in annulus 74 and 126.The final stage of progressive stamping 150 is separated finished product (that is, jaw part 26 and 100) and conveying-board or transmission carrier bar 178.Conveying-board or transmit carrier bar 178 and be used as discarded metal process together with the punched metal falling in operation before.
As above illustrated, some embodiments of integrated type jaw of the present invention can form by punching press HSLA steel sheets.High tensile steel has further been strengthened up to 30% in punching operation by sclerosis operation conventionally.The thickness of the integrated type jaw of sheet material and generation will depend on application, but depend on size and the torque demand of vehicle, be preferably and be less than 10mm, be generally 3mm, 4mm or 5mm.In typical case application, HSLA steel sheets will be in some localized areas during punching operation attenuation below 10% slightly.HSLA steel sheets has the intensity of 60ksi, but due to sclerosis operation, this sclerosis operation increases to about 90ksi by intensity.
Figure 13 to Figure 17 shows another the new embodiment for the integrated type jaw assembly that utilizes mould formation of the universal joint of vehicle transmission module of the present invention.This new embodiment of integrated type jaw assembly 200 is further strengthened by lip part one, the outside basic continous being out of shape hereinafter described.
Figure 13 comprises the cup-like portion 202 with annular wall 204 to the jaw assembly 200 that utilizes mould to form shown in Figure 19.In this embodiment, as illustrated best in Figure 17, annular wall 204 comprises by outward extending arcuate section 208 its upper part 206 separated with lower part 204.Jaw assembly 200 also comprise the upper part 206 with annular wall 204 whole in conjunction with and from a pair of relative lug or the lug 210 of its extension.As described above, this improved embodiment is preferably and comprises and the lip parts outer surface of lug 210 and the upper part 206 integrally formed one of annular wall 204, that be outwards out of shape.In disclosed embodiment, the lip part 212 of one is around continuous in the upper part of lug 210, and extends to the upper part 206 of annular wall 204 and extend around the upper part 206 of annular wall 204.In disclosed embodiment, outwards the lip of distortion is partly continuous; Yet, depending on application, this lip can interrupt at preposition place.In a preferred embodiment, the lip of distortion is partly basic continous, has improved significantly moment of torsion resistivity and the intensity of utilizing the jaw assembly that mould forms of the present invention.In addition, in disclosed embodiment, the upper part 206 of annular wall 204 comprises the concave arcuate part 214 of contiguous lug part as shown in Figure 13, and the lip part 212 of basic continous is extended around the concave arcuate part 214 as illustrated best in Figure 13 and Figure 14.In addition, the lip part 212 of distortion is outwards extended transverse to the outer surface of upper part 206 and the outer surface of lug 210 of annular wall 204 substantially; Yet in disclosed embodiment, as illustrated best in Figure 17, outwards the lip part 212 of distortion extends to the outer surface of lug 210 and the upper part 206 of annular wall 204 with the angle of about 45 degree.As mentioned before, outwards the object of the lip part 212 of distortion is the jaw assembly that strengthening utilizes mould to form, and especially stands the universal joint for vehicle transmission module of high torque load, and therefore this angle can change to almost vertical from about 45 degree.Concave arcuate part 216 has further been strengthened the integrated type jaw assembly that utilizes mould to form.
In disclosed embodiment, lug 210 is substantially plane, and comprises the tubulose annulus 216 that integral body is gone out.This sleeve 216 is in order to take in the crosshead 34,36 of the cruciform component 28 shown in Fig. 2, to be assembled in the universal joint of the vehicle transmission module that stands high torque load.Tubular sleeve 216 has smooth cylindrical form interior surface 218, to take in pivotally the crosshead 34 and 36 of cruciform component 28 as shown in Figure 2.As illustrated best in Figure 16, of the present inventionly utilize jaw assembly that mould forms to comprise to have the end wall 220 of columniform opening 222 and locating notch 224 substantially.If those of skill in the art are by understanding, the structure that comprises the end wall 220 of cylinder open 222 and locating notch 224 will depend on the application that utilizes the integrated type jaw assembly that mould forms of the present invention.
As described above, the integrated type jaw assembly 200 that utilizes mould to form of the present invention is preferably by stamped metal sheet material and forms, and is preferably steel, and most preferably is HSLA steel.The thickness of this sheet material also will depend on application, and can be from 3mm to 5mm or larger, but be preferably, be less than 10mm.If those of skill in the art are also by understanding, the intensity of integrated type jaw assembly is increased by sclerosis operation during punching operation, or has increased about 30% than the intensity of the master slice material entering during punching press.Because the integrated type jaw assembly that utilizes mould to form of the present invention forms by punching press, therefore total thickness of jaw assembly 200 is basically identical.Yet, due to metal sheet attenuation during punching press, therefore total varied in thickness is less than 20%, or be more preferably less than about 10%.If those of skill in the art are also by understanding, the integrated type jaw assembly that utilizes mould to form that is used for the universal joint of vehicle transmission module stands high torque load, therefore be typically about 2,250 ft lbs., and the industry mainly depends on casting jaw assembly and applies for this.As described above, the lip 212 of the outside distortion of basic continous and concave arcuate part 214 are (wherein, annular wall is from recessed surface transition to protruding surface) strengthened substantially the integrated type jaw assembly that utilizes mould to form of the present invention, especially resist torque load.Therefore, reduced substantially the weight of jaw assembly for the integrated type jaw assembly that utilizes mould to form of vehicle transmission module, this is the important goal of automobile industry.
Another advantage of the integrated type jaw assembly that mould forms of utilizing of the present invention is, connector flange can be welded direct in the annular wall of jaw assembly.As shown in Figure 18, connector flange 226 has the circumferential isolated radial lobes 228 in a plurality of edges, and each lug 228 all has the aperture through therebetween.Connector flange 226 also comprises the cylinder open 232 at center, and this opening 232 is closely taken in the outer surface of this embodiment's who utilizes the integrated type jaw assembly 200 that mould forms of the present invention annular wall 204.Then, can connector flange 226 for good and all be attached on the integrated type jaw assembly that utilizes mould formation by the welding shown in 234 places as in Figure 19 or other applicable mode.
Although described the present invention with reference to exemplary embodiment, those of skill in the art will be appreciated that without departing from the scope of the invention, can carry out various variations, and equivalent can be used for substituting element of the present invention.In addition, in the situation that not departing from base region of the present invention, can carry out many modification, so that specific situation or material adapt to the content of the present invention's instruction.Therefore, the present invention is not intended to be limited to and is disclosed as conceived for carrying out the specific embodiment of optimal mode of the present invention, but the present invention will comprise all embodiments of the scope that falls into claims.
Claims (16)
1. a jaw assembly that utilizes mould to form that stands the universal joint for vehicle transmission module of high torque load, described jaw assembly has basically identical thickness, and described jaw assembly comprises:
The cup-like portion with annular wall, described cup-like portion comprises base portion and upper surface;
A pair of isolated relative lug, described lug and the upper surface of described annular portion of described cup-like portion of upper surface with described annular wall whole in conjunction with and from its extension; And
One, the outside lip part of the basic continous of distortion, described lip part is extended perpendicular to described upper surface and the described lug of the described annular wall of described cup-like portion substantially, has fully strengthened described jaw.
2. the integrated type jaw assembly that utilizes mould to form according to claim 1, is characterized in that, described lug respectively comprises the relative tubular sleeve of aiming at coaxially, and described tubular sleeve is outstanding from the surface of described lug.
3. the integrated type jaw assembly that utilizes mould to form according to claim 1, is characterized in that, described integrated type jaw assembly has the thickness that is less than 10mm.
4. the integrated type jaw assembly that utilizes mould to form according to claim 3, is characterized in that, the variation of the total thickness of described jaw is less than 20%.
5. the integrated type jaw assembly that utilizes mould to form according to claim 1, is characterized in that, described jaw assembly is integrally formed by High Strength Low Alloy Steel sheet material by punching press.
6. the integrated type jaw assembly that utilizes mould to form according to claim 5, is characterized in that, the intensity of described sheet material has increased at least 20% during punching press.
7. the integrated type jaw assembly that utilizes mould to form according to claim 1, is characterized in that, described lip partly extends is enough to strengthen substantially described jaw assembly with the distance of opposing torque load.
8. the integrated type jaw assembly that utilizes mould to form according to claim 7, is characterized in that, described lip has the length of the thickness that approximates at least greatly described jaw assembly.
9. the integrated type jaw assembly that utilizes mould to form according to claim 1, is characterized in that, described lip extends with the angle of about 45 degree with respect to the outer surface of described lug and annular wall.
10. the integrated type jaw assembly that utilizes mould to form according to claim 1, it is characterized in that, described lip extends around the upper surface of described lug completely, and extends to the upper surface of the described annular wall between described lug and comprise the upper surface of the described annular wall between described lug.
The 11. integrated type jaw assemblies that utilize mould to form according to claim 1, it is characterized in that, between the upper surface of described annular wall and described lug, have concave arcuate part, described concave arcuate part is partly located from recessed surface transition to protruding surface at described lip.
12. 1 kinds of integrated type jaw assemblies that utilize mould to form that stand the universal joint for vehicle transmission module of high torque load, described jaw assembly has basically identical thickness, and described jaw assembly comprises:
The cup-like portion with annular wall, described cup-like portion comprises base portion and upper surface;
A pair of isolated relative lug, described lug and the upper surface of described annular portion of described cup-like portion with upper surface whole in conjunction with and from its extension;
The lip part of basic continous one, that be outwards out of shape, described lip part is extended from upper surface and the described lug of the annular wall of described cup-like portion, has fully strengthened described jaw assembly; And
In the upper surface of described annular wall and the concave arcuate part between described lug, described concave arcuate part is partly located, from recessed surface transition to protruding surface, further to have strengthened described jaw assembly at described lip.
The 13. integrated type jaw assemblies that utilize mould to form according to claim 12, is characterized in that, described lug respectively comprises the relative tubular sleeve extending internally of aiming at coaxially.
The 14. integrated type jaw assemblies that utilize mould to form according to claim 12, is characterized in that, described jaw assembly has the thickness that is less than 10mm.
The 15. integrated type jaw assemblies that utilize mould to form according to claim 14, is characterized in that, the variation of total thickness of described jaw assembly is less than 20%.
The 16. integrated type jaw assemblies that utilize mould to form according to claim 14, it is characterized in that, described lip extends around the upper surface of described lug completely, extend to the upper surface of the annular wall between described lug and comprise the upper surface of the annular wall between described lug, form continuous lip part.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201061459726P | 2010-12-17 | 2010-12-17 | |
| US61/459,726 | 2010-12-17 | ||
| US13/212,298 | 2011-08-18 | ||
| US13/212,298 US8182351B2 (en) | 2004-10-29 | 2011-08-18 | Universal joint assembly for an automotive driveline system |
| PCT/US2011/064955 WO2012082927A1 (en) | 2010-12-17 | 2011-12-14 | A universal joint assembly for an automotive driveline system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103534502A true CN103534502A (en) | 2014-01-22 |
Family
ID=46245096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180067787.8A Pending CN103534502A (en) | 2010-12-17 | 2011-12-14 | A universal joint assembly for an automotive driveline system |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103534502A (en) |
| MX (1) | MX2013006931A (en) |
| WO (1) | WO2012082927A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120095371A1 (en) | 2010-10-18 | 2012-04-19 | CardioSonic Ltd. | Ultrasound transducer and cooling thereof |
| US11357447B2 (en) | 2012-05-31 | 2022-06-14 | Sonivie Ltd. | Method and/or apparatus for measuring renal denervation effectiveness |
| WO2018173047A1 (en) | 2017-03-20 | 2018-09-27 | Sonivie Ltd. | Method for treating heart failure by improving ejection fraction of a patient |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4180989A (en) * | 1977-07-27 | 1980-01-01 | Lemforder Metallwaren Ag | Universal joint construction |
| US4522608A (en) * | 1982-08-09 | 1985-06-11 | Dana Corporation | Flange yoke |
| EP0194184A1 (en) * | 1985-02-25 | 1986-09-10 | Fuji Kiko Company, Limited | Universal joint yoke |
| US4881924A (en) * | 1987-12-07 | 1989-11-21 | Dana Corporation | Yoke for Hookes-type universal joint |
| CN1576628A (en) * | 2003-07-01 | 2005-02-09 | 达纳公司 | Method of manufacturing a combined driveshaft tube and yoke assembly |
| CN101327721A (en) * | 2007-06-22 | 2008-12-24 | 雷达工业公司 | Suspension systems for vehicles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7793954B2 (en) * | 2007-06-22 | 2010-09-14 | Radar Industries, Inc. | Suspension system for a vehicle |
-
2011
- 2011-12-14 WO PCT/US2011/064955 patent/WO2012082927A1/en active Application Filing
- 2011-12-14 MX MX2013006931A patent/MX2013006931A/en not_active Application Discontinuation
- 2011-12-14 CN CN201180067787.8A patent/CN103534502A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4180989A (en) * | 1977-07-27 | 1980-01-01 | Lemforder Metallwaren Ag | Universal joint construction |
| US4522608A (en) * | 1982-08-09 | 1985-06-11 | Dana Corporation | Flange yoke |
| EP0194184A1 (en) * | 1985-02-25 | 1986-09-10 | Fuji Kiko Company, Limited | Universal joint yoke |
| US4881924A (en) * | 1987-12-07 | 1989-11-21 | Dana Corporation | Yoke for Hookes-type universal joint |
| CN1576628A (en) * | 2003-07-01 | 2005-02-09 | 达纳公司 | Method of manufacturing a combined driveshaft tube and yoke assembly |
| CN101327721A (en) * | 2007-06-22 | 2008-12-24 | 雷达工业公司 | Suspension systems for vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012082927A1 (en) | 2012-06-21 |
| MX2013006931A (en) | 2013-12-02 |
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Application publication date: 20140122 |