CN103470647A - Connecting assembly for dual universal half shafts of vehicle driving axle - Google Patents
Connecting assembly for dual universal half shafts of vehicle driving axle Download PDFInfo
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- CN103470647A CN103470647A CN2013104234155A CN201310423415A CN103470647A CN 103470647 A CN103470647 A CN 103470647A CN 2013104234155 A CN2013104234155 A CN 2013104234155A CN 201310423415 A CN201310423415 A CN 201310423415A CN 103470647 A CN103470647 A CN 103470647A
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Abstract
The invention discloses a connecting assembly for dual universal half shafts of a vehicle driving axle. The connecting assembly comprises a connecting fork, wherein the connecting fork has a hollow cylindrical structure of which the two ends are open; a pair of first opposite lugs projects from the end face of the first axial end of the connecting fork; a pair of second opposite lugs projects from the end face of the second axial end of the connecting fork; a central connecting line between two the two first lugs is vertical to a central connecting line between the two second lugs. The connecting assembly has the beneficial effects that inner and outer half shafts do not occupy the corner space of each other while rotating along the same direction, the problem of incapability of meeting the requirement on the turning angle during running of the vehicle due to a small turning angle during running of the vehicle, caused by mutual interference of the conventional inner and outer half shafts rotating along the same direction is solved, the overall length of the connecting fork can be reduced, and the overall structure of the connecting fork is more compact; an eccentric structure and a cutting structure are not required, and the connecting assembly has the advantages of low manufacturing cost, high structural strength and long service life.
Description
Technical field
The present invention relates to a kind of vehicle drive axle, particularly the connecting assembly of the two universal semiaxis of a kind of vehicle drive axle.
Background technique
Existing various automobile, engineering truck, the connecting assembly of the vehicle drive axle semiaxis of loader and special vehicle can meet the angle that driving in Vehicle Driving Cycle and direction are turned, existing vehicle drive axle half axle assembly, its structure generally comprises outer semiaxis, inner shaft and the clevis be connected with inner shaft for outer semiaxis, it is ringent hollow cylinder structure that this clevis is two ends, should with the axial first end of this clevis, by the first Hooke's joint, be connected by outer semiaxis, convex with the first fork ear of a pair of opposed setting on the axial first end end face of this clevis, the respective ends of being somebody's turn to do outer semiaxis is provided with outer half hub section fork, this outer half hub section fork has the first jaw of a pair of opposed setting, the line of centres of the line of centres of two first jaws and two first fork ears is perpendicular, and a pair of connecting end of one of two first jaws and the first Hooke's joint links together by needle bearing, two first jaws can be rotated around the first Hooke's joint, another a pair of connecting end of two first fork ears and the first Hooke's joint links together by needle bearing, the first cross axle can be rotated around clevis, by this first Hooke's joint, making outer semiaxis can be horizontal and vertical direction rotates, this inner shaft is connected by the second Hooke's joint with axial second end of clevis, convex with the second fork ear of a pair of opposed setting on the axial second end end face of this clevis, the respective ends of this inner shaft is provided with inner shaft joint fork, this inner shaft joint fork has the second jaw of a pair of opposed setting, the line of centres of the line of centres of two second jaws and two second fork ears is perpendicular, the line of centres of two second jaws parallels with the line of centres of two first jaws, the line of centres of two second fork ears is connected and parallels with two first Cha Er centers, and a pair of connecting end of one of two second jaws and the second Hooke's joint links together by needle bearing, two second jaws can be rotated around the second Hooke's joint, another a pair of connecting end of two second fork ears and the second Hooke's joint links together by needle bearing, the second Hooke's joint can be rotated around clevis, by this second Hooke's joint, making inner shaft can be horizontal and vertical direction rotates.
This kind of vehicle drive axle half axle assembly, due to clevis two second the fork ears the lines of centres be connected and parallel setting with two first Cha Er centers, the line of centres of two second jaws of inner shaft parallels with the line of centres of two first jaws of outer semiaxis, , the rotation formula that outer semiaxis is the horizontal direction rotation is identical, the rotation formula that is the longitudinal direction rotation is identical, and the first Hooke's joint and the second Hooke's joint need angular space separately, like this, the first Hooke's joint and the second Hooke's joint rotating in same direction in clevis, larger spacing between the first Hooke's joint and the second Hooke's joint, must be in just can make, outer semiaxis rotates at an angle, this makes the entire length of clevis longer undoubtedly, cause the whole interior structure of clevis not compact, simultaneously, outer semiaxis the first Hooke's joint and second cross-axle universal shaft festival-gathering when making rotating in same direction are fought for angular space and have been formed and interfere with each other in the same space of clevis, in making, the joint rotation angle of outer semiaxis is less, and then make vehicle angle of turn under steam less.
In order to meet vehicle angle of turn under steam, generally Hooke's joint is designed to eccentric Hooke's joint, and will, eccentric Hooke's joint corresponding to interfering position to be cut, could meets the needed corner of vehicle.Though this change has met vehicle angle of turn under steam, but, do not eliminate the problem that overall structure is not compact, simultaneously, not in same plane, to processes, brought certain difficulty due to two cross directions of eccentric Hooke's joint, made manufacture cost high than the manufacture cost of Hooke's joint, and eccentric Hooke's joint has directly been affected to the structural strength of product corresponding to the cutting of interfering position, thereby affected the working life of vehicle drive axle.
In view of this, the inventor is furtherd investigate above-mentioned defect, then in this case, produces.
Summary of the invention
The connecting assembly that the purpose of this invention is to provide the two universal semiaxis of a kind of vehicle drive axle, can mutually not interfere when it can make inside and outside axle rotating in same direction, meet vehicle angle of turn under steam, there is compact overall structure, fabricating cost is low, the advantage of the high and long service life of structural strength.
Technological scheme of the present invention is such: the connecting assembly of the two universal semiaxis of a kind of vehicle drive axle, comprise clevis, it is ringent hollow columnar structures that this clevis is two ends, convex with the first fork ear of a pair of opposed setting on the axial first end end face of this clevis, be equipped with its part on two first fork ears and be distributed in the first fork ear place, another part is distributed in first mounting hole at clevis place, convex with the second fork ear of a pair of opposed setting on the axial second end end face of this clevis, be equipped with its part on two second fork ears and be distributed in the second fork ear place, another part is distributed in second mounting hole at clevis place, the line of centres between the line of centres between two above-mentioned the first fork ears and two above-mentioned the second fork ears is perpendicular.
Also include outer semiaxis and inner shaft, above-mentioned outer semiaxis is connected with the axial first end of above-mentioned clevis, the end extension that above-mentioned outer semiaxis is connected with above-mentioned clevis is provided with outer half hub section fork, above-mentioned outer half hub section fork has the first jaw of pair of opposing, the line of centres of the line of centres of two first jaws and two first fork ears is perpendicular, with the line of centres of two second fork ears, parallel, two above-mentioned the first jaws and two above-mentioned the first fork ears link together by one first Hooke's joint, and a pair of connecting end of the one of this first Hooke's joint is pitched in rotating mode and two above-mentioned first by needle bearing respectively, and ear is corresponding to link together, the a pair of connecting end of another of this first Hooke's joint respectively by needle bearing with rotating mode and corresponding the linking together of two above-mentioned the first jaws, above-mentioned inner shaft is connected with axial second end of above-mentioned clevis, the end extension that above-mentioned inner shaft is connected with above-mentioned clevis is provided with inner shaft joint fork, above-mentioned inner shaft joint fork has the second jaw of pair of opposing, the line of centres of the line of centres of two second jaws and two second fork ears is perpendicular, with the line of centres of two first fork ears, parallel, two above-mentioned the second jaws and two above-mentioned the second fork ears link together by one second Hooke's joint, and a pair of connecting end of the one of this second Hooke's joint links together with rotating mode and two above-mentioned the second fork ears by needle bearing respectively, the a pair of connecting end of another of this second Hooke's joint links together with rotating mode and two above-mentioned the second jaws by needle bearing respectively.
Also include outer semiaxis and inner shaft, the axis of above-mentioned outer semiaxis parallels with the axis of above-mentioned inner shaft, above-mentioned outer semiaxis is connected with the axial first end of above-mentioned clevis, the end that above-mentioned outer semiaxis is connected with above-mentioned clevis extends the outer semiaxis socket cap that is provided with the accumbency setting, the axis of this outer semiaxis socket cap and the axis of outer semiaxis are perpendicular, perpendicular with the line of centres of two first fork ears, above-mentioned outer semiaxis socket cap is connected with above-mentioned clevis by the first connecting sleeve, above-mentioned the first connecting sleeve stretches between two above-mentioned the first fork ears with the mode activity that can rotate along the axial direction of outer semiaxis socket cap, convex with corresponding the first installation shaft snapped in two above-mentioned the first mounting holes respectively on the outer side wall of above-mentioned the first connecting sleeve, two above-mentioned the first installation shaft are movably installed in two above-mentioned the first mounting holes in rotating mode, in above-mentioned the first connecting sleeve is concaved with and is inserted into for the activity of above-mentioned outer semiaxis socket cap on the sidewall of above-mentioned outer semiaxis socket cap first installed chamber, and it is indoor that above-mentioned outer semiaxis socket cap is movably installed in above-mentioned the first installation cavity in the mode that can rotate to the center line connecting direction of two above-mentioned the first fork ears, above-mentioned the first installation cavity is indoor has the space of rotating along the center line connecting directions of two above-mentioned the first fork ears for above-mentioned outer semiaxis socket cap, the end that above-mentioned inner shaft is connected with above-mentioned clevis extends to be provided with erects the inner shaft socket cap arranged, the axis of above-mentioned inner shaft socket cap and the axis of inner shaft are perpendicular, perpendicular with the line of centres of two second fork ears, above-mentioned inner shaft socket cap is connected with above-mentioned clevis by the second connecting sleeve, above-mentioned the second connecting sleeve stretches between two above-mentioned the second fork ears with the mode activity that can rotate along the axial direction of inner shaft socket cap, convex with corresponding the second installation shaft snapped in two above-mentioned the second mounting holes respectively on the outer side wall of above-mentioned the second connecting sleeve, two above-mentioned the second installation shaft are movably installed in two above-mentioned the second mounting holes in rotating mode, in above-mentioned the second connecting sleeve is concaved with and is inserted into for the activity of above-mentioned inner shaft socket cap on the sidewall of above-mentioned inner shaft socket cap second installed chamber, and it is indoor that above-mentioned inner shaft socket cap is movably installed in above-mentioned the second installation cavity in the mode that can rotate to the center line connecting direction of two above-mentioned the second fork ears, above-mentioned the second installation cavity is indoor has the space of rotating along the center line connecting directions of two above-mentioned the second fork ears for above-mentioned inner shaft socket cap.
Above-mentioned the first installation shaft and the second installation shaft are installed in above-mentioned the first mounting hole and above-mentioned the second mounting hole by needle bearing is corresponding respectively.
Above-mentioned outer semiaxis socket cap is installed on above-mentioned first by the clutch shaft bearing pin chamber is installed, above-mentioned outer semiaxis socket cap offers the clutch shaft bearing pin perforation of passing for the clutch shaft bearing pin, above-mentioned first installs chamber is provided with the clutch shaft bearing pin mounting hole in corresponding the snapping in a pair of end, axial two ends for the clutch shaft bearing pin, the line of centres of the hole heart line of two above-mentioned clutch shaft bearing pin mounting holes and two above-mentioned the first fork ears is perpendicular, and the end, axial two ends of above-mentioned clutch shaft bearing pin is installed in two above-mentioned clutch shaft bearing pin mounting holes by needle bearing is corresponding respectively; Above-mentioned inner shaft socket cap is installed on above-mentioned second by the second bearing pin chamber is installed, above-mentioned inner shaft socket cap offers the second bearing pin perforation of passing for the second bearing pin, above-mentioned second installs chamber is provided with the second bearing pin mounting hole in corresponding the snapping in end, axial two ends of a pair of confession the second bearing pin, the line of centres of the hole heart line of two above-mentioned the second bearing pin mounting holes and two above-mentioned the second fork ears is perpendicular, and the end, axial two ends of above-mentioned the second bearing pin is installed in two above-mentioned the second bearing pin mounting holes by needle bearing is corresponding respectively.
Above-mentioned the first connecting sleeve and above-mentioned the second connecting sleeve all are column structure, and above-mentioned the first installation chamber and above-mentioned second is installed chamber and is the arc cavity.
After adopting technique scheme, the connecting assembly of a kind of vehicle drive axle of the present invention, because the line of centres between the line of centres between two first fork ears and two second fork ears is perpendicular, like this, in, outer semiaxis is when being used as rotating in same direction otherwise the link that the axial first end of clevis is outer semiaxis directly to be connected with clevis around outer semiaxis rotation, axial the second end of clevis is that be connected with the clevis link of use of inner shaft rotates around clevis in axial second end of clevis, otherwise the axial first end of clevis is outer semiaxis, be connected with the clevis link of use rotates around clevis in the axial first end of clevis, axial the second end of clevis is directly be connected with clevis around the inner shaft link rotation of use of inner shaft, in making, the rotation formula that outer semiaxis is the horizontal direction rotation is not identical, not identical with the rotation formula that is the longitudinal direction rotation, and then in making, outer semiaxis does not all take the other side's angular space when same direction rotation, avoided traditional in, outer semiaxis can mutually be interfered and be caused vehicle angle of turn under steam little when same direction is rotated, can't meet the problem of vehicle angle of turn under steam, and the entire length of shortening clevis, can make the inner body structure of clevis comparatively compact, simultaneously, without bias and cutting geometry are set, there is fabricating cost low, the advantage of the high and long service life of structural strength.
The accompanying drawing explanation
The cut-away view that Fig. 1 is clevis in the present invention;
The cut-away view that Fig. 2 is another angle of clevis in the present invention;
Fig. 3 is that sectional perspective of the present invention is decomposed cut-away view;
Fig. 4 is the partial cutaway diagram after the present invention rotates.
In figure:
Clevis 1 first fork ear 11
The first mounting hole 111 second fork ears 12
The outer semiaxis 2 of the second mounting hole 121
Outer semiaxis socket cap 21 clutch shaft bearing pin perforation 211
The second bearing pin perforation 311 first connecting sleeves 4
The first installation shaft 41 first is installed chamber 42
Clutch shaft bearing pin mounting hole 421 needle bearings 5
Clutch shaft bearing pin 61 second connecting sleeves 7
The second installation shaft 71 second is installed chamber 72
The second bearing pin mounting hole 721 needle bearings 8
Embodiment
The connecting assembly of the two universal semiaxis of a kind of vehicle drive axle of the present invention, as Fig. 1, shown in 2, comprise clevis 1, it is ringent hollow columnar structures that this clevis 1 is two ends, convex with the first fork ear 11 of a pair of opposed setting on the axial first end end face of this clevis 1, be equipped with its part on two first fork ears 11 and be distributed in the first fork ear 11 places, another part is distributed in first mounting hole 111 at clevis 1 place, convex with the second fork ear 12 of a pair of opposed setting on the axial second end end face of this clevis 1, be equipped with its part on two second fork ears 12 and be distributed in the second fork ear 12 places, another part is distributed in second mounting hole 121 at clevis 12 places, the line of centres between the line of centres between two first fork ears 11 and two second fork ears 12 is perpendicular.
The connecting assembly of the two universal semiaxis of a kind of vehicle drive axle of the present invention, as shown in Figure 3, also include outer semiaxis 2 and inner shaft 3, the axis of outer semiaxis 2 parallels with the axis of inner shaft 3, the i.e. left side of outer semiaxis 2 in clevis 1, the right side of inner shaft 3 in clevis 1, outer semiaxis 2 is connected with the axial first end of clevis 1, the end that outer semiaxis 2 is connected with clevis 1 (being right-hand member) extends the outer semiaxis socket cap 21 that is provided with the accumbency setting, the axis of this outer semiaxis socket cap 21 and the axis of outer semiaxis 2 are perpendicular, perpendicular with the line of centres of two first fork ears 11, the length direction of outer semiaxis socket cap 21 extends along fore-and-aft direction, outer semiaxis socket cap 21 is connected with clevis 1 by the first connecting sleeve 4, the first connecting sleeve 4 is column structure, the first connecting sleeve 4 stretches between two first fork ears 11 with the mode activity that can rotate along the axial direction (being fore-and-aft direction) of outer semiaxis socket cap 21, convex with corresponding the first installation shaft 41 snapped in two first mounting holes 111 respectively on the outer side wall of the first connecting sleeve 4, two first installation shaft 41 are movably installed in two first mounting holes 111 in rotating mode, two first installation shaft 41 are installed in two first mounting holes 111 by needle bearing 5 is corresponding respectively, by this needle bearing 5, making the first installation shaft 41 be arranged on the first mounting hole 111 can rotate around the circumferencial direction of needle bearing 5 after interior, making the first connecting sleeve 4 do laterally (being fore-and-aft direction) around clevis 1 rotatablely moves, in this first connecting sleeve 4 is concaved with on the sidewall of semiaxis socket cap 21 outward and is inserted into for outer semiaxis socket cap 21 activities first installed chamber 42, the first installation chamber 42 is the arc cavity, and outer semiaxis socket cap 21 is movably installed in the first installation chamber 42 in the mode that can rotate to the center line connecting direction (being above-below direction) of two first fork ears 11, there is for outer semiaxis socket cap 21 space along the center line connecting directions rotation of two first fork ears 11 in the first installation chamber 42, , outer semiaxis socket cap 21 is installed on the first installation chamber 42 by clutch shaft bearing pin 61, outer semiaxis socket cap 21 offers the clutch shaft bearing pin perforation 211 of passing for clutch shaft bearing pin 61, first installs chamber 42 is provided with the clutch shaft bearing pin mounting hole 421 in corresponding the snapping in a pair of end, axial two ends for clutch shaft bearing pin 61, the line of centres of the hole heart line of two clutch shaft bearing pin mounting holes 421 and two first fork ears 11 is perpendicular, clutch shaft bearing pin 61 inserts in clutch shaft bearing pin perforation 211, and the end, axial two ends of this clutch shaft bearing pin 61 all passes, and clutch shaft bearing pin perforation 211 is outer also to be stretched into respectively in two clutch shaft bearing pin mounting holes 421, and be installed in two clutch shaft bearing pin mounting holes by the needle bearing (not shown) is corresponding, by making this clutch shaft bearing pin 61 and coordinating of needle bearing outer semiaxis 2 do vertically (being above-below direction) around clutch shaft bearing pin 61, rotatablely move.
The end that this inner shaft 3 is connected with clevis 1 extends to be provided with erects the inner shaft socket cap 31 arranged, the axis of the axis of inner shaft socket cap 31 and inner shaft 3 is perpendicular, perpendicular with the line of centres of two second fork ears 12, the length direction that is inner shaft socket cap 31 extends along the vertical direction, inner shaft socket cap 31 is connected with clevis 1 by the second connecting sleeve 7, the second connecting sleeve 7 is column structure, the second connecting sleeve 7 stretches between two second fork ears 12 with the mode activity that can rotate along the axial direction (being above-below direction) of inner shaft socket cap 31, convex with corresponding the second installation shaft 71 snapped in two second mounting holes 121 respectively on the outer side wall of the second connecting sleeve 7, two second installation shaft 71 are movably installed in two second mounting holes 121 in rotating mode, two second installation shaft 71 are installed in two second mounting holes 121 by needle bearing (not shown) respective activity respectively, by this needle bearing, making the second installation shaft 71 be arranged on the second mounting hole 121 can rotate around the circumferencial direction of needle bearing after interior, making the second connecting sleeve 7 do vertically (being above-below direction) around clevis 1 rotatablely moves, in this second connecting sleeve 7 is concaved with and is inserted into for 31 activities of inner shaft socket cap on the sidewall of inner shaft socket cap 31 second installed chamber 72, the second installation chamber 72 is the arc cavity, and inner shaft socket cap 31 is movably installed in the second installation chamber 72 in the mode that can rotate to the center line connecting direction (being fore-and-aft direction) of two second fork ears 12, there is for inner shaft socket cap 31 space along the center line connecting directions rotation of two second fork ears 12 in the second installation chamber 72,, inner shaft socket cap 31 is installed in the second installation chamber 72 by the second bearing pin 62, inner shaft socket cap 31 offers the second bearing pin perforation 311 of passing for the second bearing pin 62, second installs chamber 72 is provided with the second bearing pin mounting hole 721 in corresponding the snapping in end, axial two ends of a pair of confession the second bearing pin 62, the line of centres of the hole heart line of two second bearing pin mounting holes 721 and two second fork ears 12 is perpendicular, the second bearing pin 62 inserts in the second bearing pin perforation 311, and the end, axial two ends of the second bearing pin 62 passes respectively in the second bearing pin perforation 311, and by needle bearing 8 is corresponding, be installed in two second bearing pin mounting holes 311 respectively, by making this second bearing pin 62 and coordinating of needle bearing 8 inner shaft 3 do laterally (being fore-and-aft direction) around the second bearing pin 62, rotatablely move.
The connecting assembly of a kind of vehicle drive axle of the present invention, as shown in Figure 4, if outer semiaxis 2 and inner shaft 3 are when doing the longitudinal direction rotation, outer semiaxis 2 can directly be done vertically (being above-below direction) rotation around clutch shaft bearing pin 61, now the first connecting sleeve 4 is motionless, inner shaft 3 is done the above-below direction rotation through the second installation shaft 71 of the second connecting sleeve 7 around the second fork ear 12 can do vertically (being above-below direction) rotation, the rotation formula that outer like this semiaxis 2 and inner shaft 3 are made lateral rotation simultaneously is not identical, and the second connecting sleeve 7 is in the interior rotation of clevis 1, outer semiaxis 2 is in the interior rotation of the first connecting sleeve 4, the first connecting sleeve 4 does not rotate in clevis 1, rotation space while making outer semiaxis 2 and inner shaft 3 simultaneously make lateral rotation differs, can not take the other side's angular space, if outer semiaxis 2 and inner shaft 3 are when doing the horizontal direction rotation, outer semiaxis 2 is done the fore-and-aft direction rotation through the first installation shaft 41 of the first connecting sleeve 4 around the first fork ear 11 can do laterally (being fore-and-aft direction) rotation, inner shaft 3 can directly be done laterally (being fore-and-aft direction) rotation around the second bearing pin 62, now the second connecting sleeve 7 is motionless, like this, the rotation formula that outer semiaxis 2 and inner shaft 3 are done vertically rotation simultaneously is not identical, and the first connecting sleeve 4 is in the interior rotation of clevis 1, inner shaft 3 is in the interior rotation of the second connecting sleeve 7, the second connecting sleeve 7 does not rotate in clevis 1, rotation space while making outer semiaxis 2 and inner shaft 3 simultaneously do vertically to rotate differs, can not take the other side's angular space, in summary, outer semiaxis 2 and inner shaft 3 can mutually not interfered when doing same direction rotation.
Beneficial effect of the present invention is as follows:
(1) inside and outside semiaxis rotation side when making rotating Vortex is different, can mutually not interfere and take the other side's angular space, greatly met vehicle angle of turn under steam, avoided traditional inside and outside semiaxis can mutually interfere when same direction is rotated and caused vehicle angle of turn under steam little, can't meet the problem of vehicle angle of turn under steam;
(2) can shorten the spacing between the first connecting sleeve 4 and the second connecting sleeve 7, shorten the entire length of clevis, make the overall structure of clevis inside comparatively compact;
(3) first connecting sleeves 4 and the second connecting sleeve 7 can meet vehicle angle of turn under steam without being arranged to bias and cutting geometry, there is fabricating cost low, the advantage of the high and long service life of structural strength, avoided eccentric structure and cause the high and cutting geometry of fabricating cost and cause the low short problem in working life that reaches of overall construction intensity;
(4) structural strength of the joint fork of the joint of the more traditional outer semiaxis of structural strength of the inner shaft round end of the outer semiaxis socket cap of outer semiaxis and inner shaft fork and inner shaft is high, has improved the bulk strength of inside and outside semiaxis, has further extended working life;
(5) structure of this first connecting sleeve 4 and the second connecting sleeve 7 is equivalent to traditional Hooke's joint, and the structure of the first connecting sleeve 4 and the second connecting sleeve 7 is than the simple structure of traditional Hooke's joint, the convenient making, thus the integral manufacturing cost further reduced.
In the present invention, should with inner shaft 3, also can adopt the mode of joint fork to be connected with clevis 1 by outer semiaxis 2, the end extension that outer semiaxis is connected with clevis is provided with outer half hub section fork, outer half hub section fork has the first jaw of pair of opposing, the line of centres of the line of centres of two first jaws and two first fork ears is perpendicular, with the line of centres of two second fork ears, parallel, two first jaws and two first fork ears link together by one first Hooke's joint, and a pair of connecting end of the one of this first Hooke's joint is pitched in rotating mode and two first by needle bearing respectively, and ear is corresponding to link together, the a pair of connecting end of another of this first Hooke's joint respectively by needle bearing in rotating mode and two first jaw is corresponding links together, inner shaft is connected with axial second end of clevis, the end extension that inner shaft is connected with clevis is provided with inner shaft joint fork, inner shaft joint fork has the second jaw of pair of opposing, the line of centres of the line of centres of two second jaws and two second fork ears is perpendicular, with the line of centres of two first fork ears, parallel, two second jaws and two second fork ears link together by one second Hooke's joint, and a pair of connecting end of the one of this second Hooke's joint links together with rotating mode and two second fork ears by needle bearing respectively, the a pair of connecting end of another of this second Hooke's joint links together with rotating mode and two second jaws by needle bearing respectively.This kind of Placement is the same with the Placement of clevis with the inside and outside semiaxis of tradition, the applicant this no longer accompanying drawing tire out and state.Though adopt the Placement of joint fork identical with above-mentioned effect of getting by the Placement of first and second connecting sleeve, but in the Placement of employing joint fork, the structural strength of the joint fork of inside and outside semiaxis is lower simultaneously, easy-rupturing after long-term use, working life is shorter.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not breaking away from patent category of the present invention.
Claims (6)
1. the connecting assembly of the two universal semiaxis of a vehicle drive axle, comprise clevis, it is ringent hollow columnar structures that this clevis is two ends, convex with the first fork ear of a pair of opposed setting on the axial first end end face of this clevis, be equipped with its part on two first fork ears and be distributed in the first fork ear place, another part is distributed in first mounting hole at clevis place, convex with the second fork ear of a pair of opposed setting on the axial second end end face of this clevis, be equipped with its part on two second fork ears and be distributed in the second fork ear place, another part is distributed in second mounting hole at clevis place, it is characterized in that: the line of centres between the line of centres between two above-mentioned the first fork ears and two above-mentioned the second fork ears is perpendicular.
2. the connecting assembly of the two universal semiaxis of a kind of vehicle drive axle according to claim 1, it is characterized in that: also include outer semiaxis and inner shaft, above-mentioned outer semiaxis is connected with the axial first end of above-mentioned clevis, the end extension that above-mentioned outer semiaxis is connected with above-mentioned clevis is provided with outer half hub section fork, above-mentioned outer half hub section fork has the first jaw of pair of opposing, the line of centres of the line of centres of two first jaws and two first fork ears is perpendicular, with the line of centres of two second fork ears, parallel, two above-mentioned the first jaws and two above-mentioned the first fork ears link together by one first Hooke's joint, and a pair of connecting end of the one of this first Hooke's joint is pitched in rotating mode and two above-mentioned first by needle bearing respectively, and ear is corresponding to link together, the a pair of connecting end of another of this first Hooke's joint respectively by needle bearing with rotating mode and corresponding the linking together of two above-mentioned the first jaws, above-mentioned inner shaft is connected with axial second end of above-mentioned clevis, the end extension that above-mentioned inner shaft is connected with above-mentioned clevis is provided with inner shaft joint fork, above-mentioned inner shaft joint fork has the second jaw of pair of opposing, the line of centres of the line of centres of two second jaws and two second fork ears is perpendicular, with the line of centres of two first fork ears, parallel, two above-mentioned the second jaws and two above-mentioned the second fork ears link together by one second Hooke's joint, and a pair of connecting end of the one of this second Hooke's joint links together with rotating mode and two above-mentioned the second fork ears by needle bearing respectively, the a pair of connecting end of another of this second Hooke's joint links together with rotating mode and two above-mentioned the second jaws by needle bearing respectively.
3. the connecting assembly of the two universal semiaxis of a kind of vehicle drive axle according to claim 1, it is characterized in that: also include outer semiaxis and inner shaft, the axis of above-mentioned outer semiaxis parallels with the axis of above-mentioned inner shaft, above-mentioned outer semiaxis is connected with the axial first end of above-mentioned clevis, the end that above-mentioned outer semiaxis is connected with above-mentioned clevis extends the outer semiaxis socket cap that is provided with the accumbency setting, the axis of this outer semiaxis socket cap and the axis of outer semiaxis are perpendicular, perpendicular with the line of centres of two first fork ears, above-mentioned outer semiaxis socket cap is connected with above-mentioned clevis by the first connecting sleeve, above-mentioned the first connecting sleeve stretches between two above-mentioned the first fork ears with the mode activity that can rotate along the axial direction of outer semiaxis socket cap, convex with corresponding the first installation shaft snapped in two above-mentioned the first mounting holes respectively on the outer side wall of above-mentioned the first connecting sleeve, two above-mentioned the first installation shaft are movably installed in two above-mentioned the first mounting holes in rotating mode, in above-mentioned the first connecting sleeve is concaved with and is inserted into for the activity of above-mentioned outer semiaxis socket cap on the sidewall of above-mentioned outer semiaxis socket cap first installed chamber, and it is indoor that above-mentioned outer semiaxis socket cap is movably installed in above-mentioned the first installation cavity in the mode that can rotate to the center line connecting direction of two above-mentioned the first fork ears, above-mentioned the first installation cavity is indoor has the space of rotating along the center line connecting directions of two above-mentioned the first fork ears for above-mentioned outer semiaxis socket cap, the end that above-mentioned inner shaft is connected with above-mentioned clevis extends to be provided with erects the inner shaft socket cap arranged, the axis of above-mentioned inner shaft socket cap and the axis of inner shaft are perpendicular, perpendicular with the line of centres of two second fork ears, above-mentioned inner shaft socket cap is connected with above-mentioned clevis by the second connecting sleeve, above-mentioned the second connecting sleeve stretches between two above-mentioned the second fork ears with the mode activity that can rotate along the axial direction of inner shaft socket cap, convex with corresponding the second installation shaft snapped in two above-mentioned the second mounting holes respectively on the outer side wall of above-mentioned the second connecting sleeve, two above-mentioned the second installation shaft are movably installed in two above-mentioned the second mounting holes in rotating mode, in above-mentioned the second connecting sleeve is concaved with and is inserted into for the activity of above-mentioned inner shaft socket cap on the sidewall of above-mentioned inner shaft socket cap second installed chamber, and it is indoor that above-mentioned inner shaft socket cap is movably installed in above-mentioned the second installation cavity in the mode that can rotate to the center line connecting direction of two above-mentioned the second fork ears, above-mentioned the second installation cavity is indoor has the space of rotating along the center line connecting directions of two above-mentioned the second fork ears for above-mentioned inner shaft socket cap.
4. the connecting assembly of the two universal semiaxis of a kind of vehicle drive axle according to claim 3, it is characterized in that: above-mentioned the first installation shaft and the second installation shaft are installed in above-mentioned the first mounting hole and above-mentioned the second mounting hole by needle bearing is corresponding respectively.
5. the connecting assembly of the two universal semiaxis of a kind of vehicle drive axle according to claim 3, it is characterized in that: above-mentioned outer semiaxis socket cap is installed on above-mentioned first by the clutch shaft bearing pin chamber is installed, above-mentioned outer semiaxis socket cap offers the clutch shaft bearing pin perforation of passing for the clutch shaft bearing pin, above-mentioned first installs chamber is provided with the clutch shaft bearing pin mounting hole in corresponding the snapping in a pair of end, axial two ends for the clutch shaft bearing pin, the line of centres of the hole heart line of two above-mentioned clutch shaft bearing pin mounting holes and two above-mentioned the first fork ears is perpendicular, the end, axial two ends of above-mentioned clutch shaft bearing pin is installed in two above-mentioned clutch shaft bearing pin mounting holes by needle bearing is corresponding respectively, above-mentioned inner shaft socket cap is installed on above-mentioned second by the second bearing pin chamber is installed, above-mentioned inner shaft socket cap offers the second bearing pin perforation of passing for the second bearing pin, above-mentioned second installs chamber is provided with the second bearing pin mounting hole in corresponding the snapping in end, axial two ends of a pair of confession the second bearing pin, the line of centres of the hole heart line of two above-mentioned the second bearing pin mounting holes and two above-mentioned the second fork ears is perpendicular, and the end, axial two ends of above-mentioned the second bearing pin is installed in two above-mentioned the second bearing pin mounting holes by needle bearing is corresponding respectively.
6. the connecting assembly of the two universal semiaxis of a kind of vehicle drive axle according to claim 3, it is characterized in that: above-mentioned the first connecting sleeve and above-mentioned the second connecting sleeve all are column structure, and above-mentioned first installs chamber and above-mentioned second installs chamber and is the arc cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423415.5A CN103470647B (en) | 2013-09-17 | 2013-09-17 | A kind of connecting assembly of the double universal semiaxis of vehicle drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423415.5A CN103470647B (en) | 2013-09-17 | 2013-09-17 | A kind of connecting assembly of the double universal semiaxis of vehicle drive axle |
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| Publication Number | Publication Date |
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| CN103470647A true CN103470647A (en) | 2013-12-25 |
| CN103470647B CN103470647B (en) | 2016-08-17 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2813409A (en) * | 1954-11-08 | 1957-11-19 | Victor Lundy | Universal coupling |
| CN201539512U (en) * | 2009-09-28 | 2010-08-04 | 芜湖梦达尔机械实业有限公司 | Universal coupling |
| CN102444674A (en) * | 2010-10-11 | 2012-05-09 | 鸿富锦精密工业（深圳）有限公司 | Cardan joint with three degrees of freedom |
| CN202560867U (en) * | 2012-04-25 | 2012-11-28 | 龙岩市万腾车桥制造有限公司 | Two-way double-hinging transmission universal joint |
| WO2012161418A2 (en) * | 2011-05-24 | 2012-11-29 | 한국델파이주식회사 | Constant-velocity joint assembly |
| CN203516501U (en) * | 2013-09-17 | 2014-04-02 | 晋江闽阳汽车部件制造有限公司 | Connection assembly of double half universal shafts of automobile drive axle |
-
2013
- 2013-09-17 CN CN201310423415.5A patent/CN103470647B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2813409A (en) * | 1954-11-08 | 1957-11-19 | Victor Lundy | Universal coupling |
| CN201539512U (en) * | 2009-09-28 | 2010-08-04 | 芜湖梦达尔机械实业有限公司 | Universal coupling |
| CN102444674A (en) * | 2010-10-11 | 2012-05-09 | 鸿富锦精密工业（深圳）有限公司 | Cardan joint with three degrees of freedom |
| WO2012161418A2 (en) * | 2011-05-24 | 2012-11-29 | 한국델파이주식회사 | Constant-velocity joint assembly |
| CN202560867U (en) * | 2012-04-25 | 2012-11-28 | 龙岩市万腾车桥制造有限公司 | Two-way double-hinging transmission universal joint |
| CN203516501U (en) * | 2013-09-17 | 2014-04-02 | 晋江闽阳汽车部件制造有限公司 | Connection assembly of double half universal shafts of automobile drive axle |
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|---|---|
| CN103470647B (en) | 2016-08-17 |
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