CN103470647B - A kind of connecting assembly of the double universal semiaxis of vehicle drive axle - Google Patents
A kind of connecting assembly of the double universal semiaxis of vehicle drive axle Download PDFInfo
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- CN103470647B CN103470647B CN201310423415.5A CN201310423415A CN103470647B CN 103470647 B CN103470647 B CN 103470647B CN 201310423415 A CN201310423415 A CN 201310423415A CN 103470647 B CN103470647 B CN 103470647B
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Abstract
The present invention discloses the connecting assembly of the double universal semiaxis of a kind of vehicle drive axle, including connecting fork, this connection fork is ringent hollow columnar structures in two ends, it is convexly equipped with the first fork ear of a pair opposed setting on the axial first end end face of this connection fork, the axial second end end face of this connection fork is convexly equipped with the second fork ear of a pair opposed setting；The line of centres between the line of centres and two above-mentioned second fork ears between two above-mentioned first fork ears is perpendicular.The invention has the beneficial effects as follows: inside and outside semiaxis can be made when same direction rotates all to be not take up the angular space of the other side, avoid when traditional inside and outside semiaxis rotates in same direction and can interfere and cause vehicle angle of turn under steam little, the problem that cannot meet vehicle angle of turn under steam, and the entire length connecting fork can be shortened, the overall structure connecting fork is the compactest；Without arranging eccentric structure and cutting structure, there is cost of manufacture low, structural strength height and the advantage of length in service life.
Description
Technical field
The present invention relates to a kind of vehicle drive axle, particularly to the double universal semiaxis of a kind of vehicle drive axle
Connecting assembly.
Background technology
The company of the vehicle drive axle semiaxis of existing various automobile, engineering truck, loading machine and special vehicle
Connect assembly and can meet the driving during vehicle travels and the angle of direction turning, existing vehicle drive axle half
Axle assembly, its structure generally comprises outer semiaxis, inner shaft and is connected with inner shaft for outer semiaxis
Connecting fork, this connection fork is ringent hollow cylinder structure in two ends, and this outer semiaxis is connected fork with this
Axial first end by first Hooke's joint connect, this connection fork axial first end end face on
Being convexly equipped with the first fork ear of a pair opposed setting, the respective end of this outer semiaxis is provided with outer half hub section fork,
This outer half hub section fork has the first jaw of a pair opposed setting, the line of centres of two first jaws with
The line of centres of two first fork ears is perpendicular, and two first jaws and the one of the first Hooke's joint
Connect end a pair to be linked together by needle bearing, make two first jaws can be around the first cross axle ten thousand
Rotating to joint, another a pair connection end of two first fork ears and the first Hooke's joint is by needle roller axle
Hold and link together, make the first cross axle can rotate, by this first cross-axle universal shaft around connecting fork
Joint makes outer semiaxis can rotate in horizontal and vertical direction；This inner shaft leads to axial second end being connected fork
Cross second Hooke's joint connect, this connection fork axial second end end face on be convexly equipped with a pair relative
Erecting the second fork ear put, the respective end of this inner shaft is provided with inner shaft joint fork, this inner shaft joint fork
There are the second jaw of a pair opposed setting, the line of centres of two second jaws and two second fork ears
The line of centres is perpendicular, and the line of centres of two second jaws and the line of centres of two first jaws are parallel,
Two second fork ears the lines of centres with two first fork ears center connect parallel, and two second jaws and
The one of the second Hooke's joint is connected end for a pair and is linked together by needle bearing, makes two second
Jaw can rotate around the second Hooke's joint, two second fork ears and the second Hooke's joint another
One connects end for a pair is linked together by needle bearing, makes the second Hooke's joint can be around connection
Fork rotates, and makes inner shaft can rotate in horizontal and vertical direction by this second Hooke's joint.
This kind of vehicle drive axle half axle assembly, owing to connecting the line of centres and two of two second fork ears of fork
The center of the first fork ear connects parallel setting, the line of centres of two second jaws of inner shaft and outer half
The line of centres of two first jaws of axle is parallel, and the most inside and outside semiaxis is the rotation that horizontal direction rotates
Form is identical, and the rotation formula rotated in longitudinal direction is identical, and the first Hooke's joint and second
Hooke's joint needs respective angular space, so, the first Hooke's joint and the second cross
Shaft universal-joint is rotating in same direction within connecting fork, the first Hooke's joint and the second Hooke's joint it
Between inside and outside semiaxis just have to can be made to rotate at an angle in bigger spacing, this makes connection undoubtedly
The entire length of fork is longer, causes the whole interior structure connecting fork the compactest, the most inside and outside semiaxis
When making rotating in same direction, the first Hooke's joint and the second cross-axle universal shaft festival-gathering are connecting the same of fork
Fight for angular space in space to define and interfere with each other, make the junction rotational angle of inside and outside semiaxis relatively
Little, and then make vehicle angle of turn under steam less.
In order to meet vehicle angle of turn under steam, typically Hooke's joint is designed to bias
Hooke's joint, and also eccentric Hooke's joint is cut corresponding to interference position,
The corner required for vehicle could be met.Though this change meets vehicle angle of turn under steam,
But, do not eliminate the problem that overall structure is the compactest, simultaneously as eccentric Hooke's joint
Two ten word directions, not in approximately the same plane, bring certain difficulty to processes, make manufacture
Cost is high compared with the manufacturing cost of Hooke's joint, and to eccentric Hooke's joint corresponding to interference part
The cutting of position directly affects the structural strength of product, thus have impact on the service life of vehicle drive axle.
In view of this, drawbacks described above is furtherd investigate by the present inventor, then produces in this case.
Summary of the invention
It is an object of the invention to provide the connecting assembly of the double universal semiaxis of a kind of vehicle drive axle, it can make
Will not interfere during inside and outside axle rotating in same direction, meet vehicle angle of turn under steam, tool
Having compact overall structure, cost of manufacture is low, structural strength height and the advantage of length in service life.
The technical scheme is that such: the connecting assembly of the double universal semiaxis of a kind of vehicle drive axle,
Including connecting fork, this connection fork is ringent hollow columnar structures in two ends, and it is axial that this connection is pitched
It is convexly equipped with the first fork ear of a pair opposed setting on first end end face, two first fork ears are equipped with it
A part is distributed at the first fork ear, and another part is distributed in the first installing hole connected at fork, and this is even
Connect the second fork ear being convexly equipped with a pair opposed setting on the axial second end end face of fork, two second fork ears
On be equipped with one part and be distributed at the second fork ear, another part is distributed in the second peace connected at fork
Dress hole；The line of centres between the line of centres and two above-mentioned second fork ears between two above-mentioned first fork ears
Perpendicular.
Also include outer semiaxis and inner shaft, above-mentioned outer semiaxis and the above-mentioned axial first end phase being connected fork
Connecting, above-mentioned outer semiaxis extends and is provided with outer half hub section with the above-mentioned one end that is connected of fork that is connected and pitches, above-mentioned
Outer half hub section fork has the first jaw of pair of opposing, the line of centres of two first jaws and two
The line of centres of one fork ear is perpendicular, parallels with the line of centres of two second fork ears, and two above-mentioned first
Jaw and two above-mentioned first fork ears are linked together by one first Hooke's joint, and the 10th
It is pivotally above-mentioned with two by needle bearing respectively that the one of word shaft universal-joint connects end for a pair
First fork ear links together accordingly, and another a pair connection end of this first Hooke's joint leads to respectively
Cross needle bearing pivotally first jaw above-mentioned to two is corresponding and link together；In above-mentioned partly
Axle is connected with above-mentioned axial second end being connected fork, and above-mentioned inner shaft is connected what fork was connected with above-mentioned
One end extension is provided with inner shaft joint fork, and 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 two first fork ears
The line of centres is parallel, and two above-mentioned second jaws and two above-mentioned second fork ears are by one second cross axle ten thousand
Link together to joint, and the one of this second Hooke's joint connects end for a pair and passes through needle roller respectively
Bearing pivotally second fork ear above-mentioned with two links together, this second Hooke's joint
Another a pair connection end respectively by needle bearing pivotally second jaw above-mentioned with two even
It is connected together.
Also include outer semiaxis and inner shaft, the axis of above-mentioned outer semiaxis and the axis phase of above-mentioned inner shaft
Parallel, above-mentioned outer semiaxis is connected with above-mentioned axial first end being connected fork, and above-mentioned outer semiaxis is with above-mentioned
One end that connection fork is connected extends the outer half axial cylindrical head being provided with accumbency setting, this outer half axial cylindrical head
The axis perpendicular of axis and outer semiaxis, perpendicular with the line of centres of two first fork ears, above-mentioned outside
Semiaxis socket cap is connected fork connection by the first adapter sleeve with above-mentioned, and above-mentioned first adapter sleeve is with can be along outward
The mode activity that the axis direction of semiaxis socket cap rotates is stretched between two above-mentioned first fork ears, and above-mentioned the
The first installation snapped in the most accordingly in two above-mentioned first installing holes it is convexly equipped with on the lateral wall of one adapter sleeve
Axle, two above-mentioned first install axle is pivotally movably installed in two above-mentioned first installing holes,
Above-mentioned first adapter sleeve is concavely provided with for above-mentioned outer half axial cylindrical towards the sidewall of above-mentioned outer half axial cylindrical head
Head is movable is inserted into the first interior installation chamber, and above-mentioned outer half axial cylindrical head is with can be to two above-mentioned first
It is indoor that the mode that the center line connecting direction of fork ear rotates is movably installed in above-mentioned first installation cavity, and above-mentioned the
One installation cavity indoor have for above-mentioned outer half axial cylindrical head along two above-mentioned first center line connecting directions pitching ears
The space rotated；Above-mentioned inner shaft extends to be provided with to erect arrange with above-mentioned fork one end of being connected of being connected
Inner shaft socket cap, the axis of above-mentioned inner shaft socket cap and the axis perpendicular of inner shaft, with two the
The line of centres of y-bend ear is perpendicular, and above-mentioned inner shaft socket cap is connected with above-mentioned by the second adapter sleeve
Fork connects, the activity in the way of can rotating along the axis direction of inner shaft socket cap of above-mentioned second adapter sleeve
Stretch between two above-mentioned second fork ears, the lateral wall of above-mentioned second adapter sleeve is convexly equipped with the most corresponding card
Entering the second installation axle in two above-mentioned second installing holes, two above-mentioned second install axle pivotally
Being movably installed in two above-mentioned second installing holes, above-mentioned second adapter sleeve is towards above-mentioned inner shaft socket cap
Sidewall be concavely provided with and be inserted into interior second installation chamber for above-mentioned inner shaft socket cap activity, and on
State inner shaft socket cap activity can pacify in the way of the center line connecting direction rotation of two above-mentioned second fork ears
Being loaded on above-mentioned second installation cavity indoor, above-mentioned second installation cavity indoor have for above-mentioned inner shaft socket cap
The space rotated along the center line connecting direction of two above-mentioned second fork ears.
Above-mentioned first installation axle and second is installed axle and is installed on above-mentioned first accordingly by needle bearing respectively
In installing hole and above-mentioned second installing hole.
Above-mentioned outer half axial cylindrical head by clutch shaft bearing pin be installed on above-mentioned first install chamber, above-mentioned outside
Semiaxis socket cap offers the clutch shaft bearing pin perforation passed for clutch shaft bearing pin, above-mentioned first installation cavity
Room is provided with a pair end, axial two ends for clutch shaft bearing pin and snaps into interior clutch shaft bearing pin peace accordingly
Dress hole, the hole heart line of two above-mentioned clutch shaft bearing pin installing holes and the line of centres of two above-mentioned first fork ears
Perpendicular, the end, axial two ends of above-mentioned clutch shaft bearing pin is installed on two accordingly by needle bearing respectively
In above-mentioned clutch shaft bearing pin installing hole；Above-mentioned inner shaft socket cap is installed on above-mentioned by the second bearing pin
Second installs chamber, and above-mentioned inner shaft socket cap offers the second bearing pin passed for the second bearing pin
Perforation, above-mentioned second installation chamber is provided with a pair end, axial two ends for the second bearing pin and blocks accordingly
Enter the second interior bearing pin installing hole, on the hole heart line and two of two above-mentioned second bearing pin installing holes
The line of centres stating the second fork ear is perpendicular, and the end, axial two ends of above-mentioned second bearing pin is passed through respectively
Needle bearing is installed in two above-mentioned second bearing pin installing holes accordingly.
Above-mentioned first adapter sleeve and above-mentioned second adapter sleeve are all in column structure, and above-mentioned first installs chamber
With above-mentioned second, chamber is installed and is arch shaped cavity.
After using technique scheme, the connecting assembly of a kind of vehicle drive axle of the present invention, due to two
The line of centres between the line of centres and two second fork ears between first fork ear is perpendicular, so, interior,
Outer semiaxis when making rotating in same direction fork shaft to be not connected to the first end be outer semiaxis directed around outer semiaxis with
Connecting the connector rotation that fork is connected, connecting fork shaft to the second end is that inner shaft is connected with being connected fork
The connector connect connect fork axial second end in around connect fork rotate, fork shaft to be not connected to
First end be outer semiaxis be connected connector that fork is connected in axial first end connecting fork around
Connecting fork to rotate, connecting fork shaft is that inner shaft is connected with being connected fork directed around inner shaft to the second end
Connector rotate, make inside and outside semiaxis be horizontal direction rotate rotation formula differ, and in
The rotation formula that longitudinal direction rotates differs, and then makes inside and outside semiaxis equal when same direction rotates
It is not take up the angular space of the other side, it is to avoid can be mutually when traditional inside and outside semiaxis rotates in same direction
Interfere and cause vehicle angle of turn under steam little, it is impossible to meet vehicle turning under steam
The problem of angle, and shorten the entire length connecting fork, the inside overall structure that connection is pitched can be made more
Compact；Simultaneously, it is not necessary to bias and cutting structure are set, there is cost of manufacture low, structural strength high and
Service life length advantage.
Accompanying drawing explanation
Fig. 1 is the cut-away view connecting fork in the present invention；
Fig. 2 is the cut-away view connecting in the present invention and pitching another angle；
Fig. 3 is that the sectional perspective of the present invention decomposes cut-away view；
Fig. 4 is the fragmentary sectional view after the present invention rotates.
In figure:
Connect fork 1 first fork ear 11
First installing hole 111 second pitches ear 12
The second outer semiaxis of installing hole 121 2
Outer half axial cylindrical head 21 clutch shaft bearing pin perforation 211
Inner shaft 3 inner shaft socket cap 31
Second bearing pin perforation 311 first adapter sleeves 4
First installs axle 41 first installs chamber 42
Clutch shaft bearing pin installing hole 421 needle bearing 5
Clutch shaft bearing pin 61 second adapter sleeve 7
Second installs axle 71 second installs chamber 72
Second bearing pin installing hole 721 needle bearing 8
Detailed description of the invention
A kind of connecting assembly of the double universal semiaxis of the vehicle drive axle of the present invention, as shown in Figure 1, 2, bag
Including connection fork 1, it is ringent hollow columnar structures in two ends that this connection pitches 1, the axle of this connection fork 1
It is convexly equipped with the first fork ear 11 of a pair opposed setting, on the first end end face on two first fork ears 11 all
Being provided with one part and be distributed at the first fork ear 11, another part is distributed in the first peace connected at fork 1
Dress hole 111, the axial second end end face of this connection fork 1 is convexly equipped with the second fork of a pair opposed setting
Ear 12, two second fork ears 12 is equipped with one part and is distributed at the second fork ear 12, another part
It is distributed in the second installing hole 121 connected at fork 12；The line of centres and two between two first fork ears 11
The line of centres between second fork ear 12 is perpendicular.
The connecting assembly of the double universal semiaxis of a kind of vehicle drive axle of the present invention, as it is shown on figure 3, also wrap
Having included outer semiaxis 2 and inner shaft 3, the axis of outer semiaxis 2 is paralleled with the axis of inner shaft 3, i.e. outside
Semiaxis 2 is in the left side connecting fork 1, and inner shaft 3 is in the right side connecting fork 1, outer semiaxis 2 with
Axial first end connecting fork 1 is connected, and outer semiaxis 2 pitches (the i.e. right side, 1 one end being connected with being connected
End) extend the outer half axial cylindrical head 21 being provided with accumbency setting, the axis of this outer half axial cylindrical head 21 is with outer
The axis perpendicular of semiaxis 2, perpendicular with the line of centres of two first fork ears 11, i.e. outer half axial cylindrical
The length direction of 21 extends along the longitudinal direction, outer half axial cylindrical head 21 by the first adapter sleeve 4 with
Connecting fork 1 connection, the first adapter sleeve 4 is in column structure, and the first adapter sleeve 4 is can justify along outer semiaxis
The mode activity that the axis direction (i.e. fore-and-aft direction) of column cap 21 rotates stretch into two first fork ears 11 it
Between, the lateral wall of the first adapter sleeve 4 is convexly equipped with and snaps in the most accordingly in two first installing holes 111
First installs axle 41, and two first install axle 41 is pivotally movably installed in two first installing holes
In 111, i.e. two first install axle 41 is installed on two first installing holes accordingly by needle bearing 5 respectively
In 111, can after making the first installation axle 41 be arranged in the first installing hole 111 by this needle bearing 5
Circumferencial direction around needle bearing 5 rotates, and makes the first adapter sleeve 4 can make laterally around connecting fork 1
(i.e. fore-and-aft direction) rotary motion, this first adapter sleeve 4 is towards on the sidewall of outer half axial cylindrical head 21
Being arranged with and be inserted into the first interior installation chamber 42 for outer half axial cylindrical head 21 activity, first installs chamber
42 is arch shaped cavity, and outer half axial cylindrical head 21 with can to two first fork ears 11 center line connecting directions
The mode that (i.e. above-below direction) rotates is movably installed in the first installation chamber 42, and first installs chamber
There is in 42 the space rotated along two first center line connecting directions pitching ears 11 for outer half axial cylindrical head 21,
That is, outer half axial cylindrical head 21 is installed on the first installation chamber 42, outer semiaxis by clutch shaft bearing pin 61
Socket cap 21 offers the clutch shaft bearing pin perforation 211 passed for clutch shaft bearing pin 61, the first installation cavity
Room 42 is provided with a pair end, axial two ends for clutch shaft bearing pin 61 and snaps into the first interior axle accordingly
Consign installing hole 421, the hole heart line of two clutch shaft bearing pin installing holes 421 and two first fork ears 11
The line of centres is perpendicular, and clutch shaft bearing pin 61 inserts in clutch shaft bearing pin perforation 211, and this first axle
Consign 61 all to pass clutch shaft bearing pin perforation 211 outer and be respectively protruding into two first axles end, axial two ends
Consign in installing hole 421, and be installed on two first axles accordingly by needle bearing (not shown)
Consign in installing hole, make the outer semiaxis 2 can be around by coordinating of this clutch shaft bearing pin 61 and needle bearing
Clutch shaft bearing pin 61 makees longitudinally (i.e. above-below direction) rotary motion.
This inner shaft 3 be connected one end of being connected of fork 1 and extend to be provided with and erect the inner shaft cylinder arranged
31, the axis perpendicular of the axis of inner shaft socket cap 31 and inner shaft 3, with two second fork ears
The line of centres of 12 is perpendicular, i.e. the length direction of inner shaft socket cap 31 is vertically extending, interior
Semiaxis socket cap 31 is connected with being connected fork 1 by the second adapter sleeve 7, and the second adapter sleeve 7 is tied in column
Structure, the second adapter sleeve 7 is can rotate along the axis direction (i.e. above-below direction) of inner shaft socket cap 31
Mode activity stretch between two second fork ears 12, the lateral wall of the second adapter sleeve 7 is convexly equipped with respectively
Snapping in the second installation axle 71 in two second installing holes 121 accordingly, two second install axle 71 with rotatably
Mode be movably installed in two second installing holes 121, i.e. two second install axles 71 passes through needle roller respectively
Bearing (not shown) respective activity is installed in two second installing holes 121, by this needle roller axle
Holding can be around the circumferencial direction of needle bearing after making the second installation axle 71 be arranged in the second installing hole 121
Rotate, make the second adapter sleeve 7 can make longitudinally (i.e. above-below direction) rotary motion around connecting fork 1；
This second adapter sleeve 7 is concavely provided with for inner shaft socket cap 31 towards the sidewall of inner shaft socket cap 31
Activity is inserted into the second interior installation chamber 72, and the second installation chamber 72 is arch shaped cavity, and inner shaft
Socket cap 31 is with the side that can rotate to the center line connecting direction (i.e. fore-and-aft direction) of two second fork ears 12
Formula is movably installed in the second installation chamber 72, has for inner shaft cylinder in the second installation chamber 72
31 spaces rotated along the center line connecting directions of two second fork ears 12, i.e. inner shaft socket cap 31
Being installed in the second installation chamber 72 by the second bearing pin 62, inner shaft socket cap 31 offers confession
The second bearing pin perforation 311 that second bearing pin 62 passes, second installs chamber 72 is provided with a pair confession
The end, axial two ends of the second bearing pin 62 snaps into the second interior bearing pin installing hole 721 accordingly, and two
The line of centres of the hole heart line of the second bearing pin installing hole 721 and two second fork ears 12 is perpendicular, the
Two bearing pins 62 insert in the second bearing pin perforation 311, and the axial two ends end of the second bearing pin 62
Portion passes in the second bearing pin perforation 311 respectively, and is installed on two accordingly by needle bearing 8 respectively
In second bearing pin installing hole 311, by the coordinating and make of this second bearing pin 62 and needle bearing 8
Semiaxis 3 can make laterally (i.e. fore-and-aft direction) rotary motion around the second bearing pin 62.
A kind of connecting assembly of the vehicle drive axle of the present invention, as shown in Figure 4, if outer semiaxis 2 and interior
Semiaxis 3 is when making longitudinal direction and rotating, and outer semiaxis 2 can be made (the most i.e. directed around clutch shaft bearing pin 61
Above-below direction) rotate, now the first adapter sleeve 4 is motionless, and inner shaft 3 is through the of the second adapter sleeve 7
Two installation axles 71 are made above-below direction rotation around the second fork ear 12 and can be made longitudinally (i.e. above-below direction)
Rotating, outer semiaxis 2 and inner shaft 3 are made the rotation formula of lateral rotation simultaneously and are differed, and the
Two adapter sleeves 7 rotate within connecting fork 1, and outer semiaxis 2 rotates in the first adapter sleeve 4, and first even
Female connector 4 does not rotates within connecting fork 1, makes outer semiaxis 2 and inner shaft 3 make during lateral rotation two simultaneously
The rotation space of person differs, and will not take the angular space of the other side；If outer semiaxis 2 and inner shaft 3 exist
When making horizontal direction rotation, outer semiaxis 2 is pitched around first through the first installation axle 41 of the first adapter sleeve 4
Ear 11 is made fore-and-aft direction and is rotated and can make laterally (i.e. fore-and-aft direction) and rotate, inner shaft 3 can directly around
The second bearing pin 62 and make laterally (i.e. fore-and-aft direction) rotation, now the second adapter sleeve 7 is motionless, this
Sample, the rotation formula that outer semiaxis 2 and inner shaft 3 are made to longitudinally rotate simultaneously differs, and first connects
Set 4 rotates within connecting fork 1, and inner shaft 3 rotates in the second adapter sleeve 7, the second adapter sleeve 7
Do not rotate within connecting fork 1, turning when making outer semiaxis 2 and inner shaft 3 simultaneously longitudinally rotate
Differing in dynamic space, will not take the angular space of the other side；In summary, outer semiaxis 2 and inner shaft 3
Will not interfere when making the rotation of same direction.
Beneficial effects of the present invention is as follows:
(1) inside and outside semiaxis rotation side when making rotating Vortex is different, will not interfere and take
The angular space of the other side, meet vehicle angle of turn under steam significantly, it is to avoid in traditional,
Outer semiaxis can interfere when rotating in same direction and cause vehicle angle of turn under steam little,
The problem that cannot meet vehicle angle of turn under steam；
(2) spacing between the first adapter sleeve 4 and the second adapter sleeve 7 can be shortened, shorten connection
The entire length of fork, makes the overall structure within connection fork the compactest；
(3) first adapter sleeves 4 and the second adapter sleeve 7 are without being provided off and cutting structure
Meet vehicle angle of turn under steam, there is cost of manufacture low, structural strength height and service life
Long advantage, it is to avoid eccentric structure and cause the cost of manufacture high and cutting structure and cause overall structure
The problem that intensity is low and service life is short；
(4) structural strength of the inner shaft round end of the outer half axial cylindrical head of outer semiaxis and inner shaft relatively passes
The structural strength height that the joint saving fork and inner shaft of outer semiaxis of uniting is pitched, improves the entirety of inside and outside semiaxis
Intensity, extends service life further；
(5) structure of this first adapter sleeve 4 and the second adapter sleeve 7 is equivalent to tradition cross-axle universal shaft
Joint, and the structure of the first adapter sleeve 4 and the second adapter sleeve 7 is than the structure letter of traditional Hooke's joint
Easily, convenient making, thus reduce further integral manufacturing cost.
In the present invention, this outer semiaxis 2 and inner shaft 3 may be used without the mode of joint fork and connect with being connected fork 1
Connect, outer semiaxis be connected one end of being connected of fork and extend and be provided with outer half hub section fork, outer half hub section fork
There are the first jaw of pair of opposing, the line of centres of two first jaws and the center of two first fork ears
Line is perpendicular, parallels with the line of centres of two second fork ears, two first jaws and two first fork ears
Linked together by one first Hooke's joint, and the one of this first Hooke's joint a pair
By needle bearing, pivotally ear is corresponding links together to two first forks respectively to connect end,
Another a pair connection end of this first Hooke's joint is respectively by needle bearing pivotally
Corresponding to two first jaws link together；Inner shaft is connected with axial second end being connected fork, interior
Semiaxis be connected one end of being connected of fork and extend and be provided with inner shaft joint fork, inner shaft joint fork has a pair phase
To the second jaw arranged, the line of centres of the line of centres of two second jaws and two second fork ears hangs down mutually
Directly, paralleling with the lines of centres of two first fork ears, two second jaws pass through one the with two second fork ears
Two Hooke's joints link together, and the one of this second Hooke's joint connects end for a pair and divides
Pivotally do not linked together with two second fork ears by needle bearing, this second cross axle
Another a pair of universal joint connection end respectively by needle bearing pivotally with two second jaws
Link together.This kind of connected mode with semiaxis inside and outside tradition as the connected mode being connected fork, this
At this, no longer accompanying drawing is tired states for applicant.Use the connected mode of joint fork and above by first and second simultaneously
Though the effect that the connected mode of adapter sleeve is taken is identical, but use in the connected mode of joint fork inside and outside
The structural strength of the joint fork of semiaxis is relatively low, and easy fracture after Long-Time Service, service life is shorter.
Above-described embodiment and the product form of the graphic and non-limiting present invention and style, any belonging to technology
The those of ordinary skill in field is suitably changed what it did or modifies, and all should be regarded as without departing from the present invention
Patent category.
Claims (4)
1. a connecting assembly for the double universal semiaxis of vehicle drive axle, including connecting fork, this connection fork in
Two ends are ringent hollow columnar structures, and the axial first end end face of this connection fork is convexly equipped with a pair
First fork ear of opposed setting, two first fork ears is equipped with one part and is distributed at the first fork ear,
Another part is distributed in the first installing hole connected at fork, the axial second end end face epirelief of this connection fork
It is provided with the second fork ear of a pair opposed setting, two second fork ears is equipped with one part and is distributed in the
At y-bend ear, another part is distributed in the second installing hole connected at fork；It is characterized in that: two is above-mentioned
The line of centres between the line of centres and two above-mentioned second fork ears between first fork ear is perpendicular；
Also include outer semiaxis and inner shaft, the axis of above-mentioned outer semiaxis and the axis phase of above-mentioned inner shaft
Parallel, above-mentioned outer semiaxis is connected with above-mentioned axial first end being connected fork, and above-mentioned outer semiaxis is with above-mentioned
One end that connection fork is connected extends the outer half axial cylindrical head being provided with accumbency setting, this outer half axial cylindrical head
The axis perpendicular of axis and outer semiaxis, perpendicular with the line of centres of two first fork ears, above-mentioned outside
Semiaxis socket cap is connected fork connection by the first adapter sleeve with above-mentioned, and above-mentioned first adapter sleeve is with can be along outward
The mode activity that the axis direction of semiaxis socket cap rotates is stretched between two above-mentioned first fork ears, and above-mentioned the
The first installation snapped in the most accordingly in two above-mentioned first installing holes it is convexly equipped with on the lateral wall of one adapter sleeve
Axle, two above-mentioned first install axle is pivotally movably installed in two above-mentioned first installing holes,
Above-mentioned first adapter sleeve is concavely provided with for above-mentioned outer half axial cylindrical towards the sidewall of above-mentioned outer half axial cylindrical head
Head is movable is inserted into the first interior installation chamber, and above-mentioned outer half axial cylindrical head is with can be to two above-mentioned first
It is indoor that the mode that the center line connecting direction of fork ear rotates is movably installed in above-mentioned first installation cavity, and above-mentioned the
One installation cavity indoor have for above-mentioned outer half axial cylindrical head along two above-mentioned first center line connecting directions pitching ears
The space rotated；Above-mentioned inner shaft extends to be provided with to erect arrange with above-mentioned fork one end of being connected of being connected
Inner shaft socket cap, the axis of above-mentioned inner shaft socket cap and the axis perpendicular of inner shaft, with two the
The line of centres of y-bend ear is perpendicular, and above-mentioned inner shaft socket cap is connected with above-mentioned by the second adapter sleeve
Fork connects, the activity in the way of can rotating along the axis direction of inner shaft socket cap of above-mentioned second adapter sleeve
Stretch between two above-mentioned second fork ears, the lateral wall of above-mentioned second adapter sleeve is convexly equipped with the most corresponding card
Entering the second installation axle in two above-mentioned second installing holes, two above-mentioned second install axle pivotally
Being movably installed in two above-mentioned second installing holes, above-mentioned second adapter sleeve is towards above-mentioned inner shaft socket cap
Sidewall be concavely provided with and be inserted into interior second installation chamber for above-mentioned inner shaft socket cap activity, and on
State inner shaft socket cap activity can pacify in the way of the center line connecting direction rotation of two above-mentioned second fork ears
Being loaded on above-mentioned second installation cavity indoor, above-mentioned second installation cavity indoor have for above-mentioned inner shaft socket cap
The space rotated along the center line connecting direction of two above-mentioned second fork ears.
The connecting assembly of the double universal semiaxis of a kind of vehicle drive axle the most according to claim 1, its
It is characterised by: above-mentioned first installation axle and second is installed axle and is installed on accordingly by needle bearing respectively
State in the first installing hole and above-mentioned second installing hole.
The connecting assembly of the double universal semiaxis of a kind of vehicle drive axle the most according to claim 1, its
It is characterised by: above-mentioned outer half axial cylindrical head is installed on above-mentioned first by clutch shaft bearing pin and installs chamber,
Above-mentioned outer half axial cylindrical head offers the clutch shaft bearing pin passed for clutch shaft bearing pin and bores a hole, and above-mentioned first
Installation chamber is provided with a pair end, axial two ends for clutch shaft bearing pin and snaps into the first interior axle accordingly
Consign in installing hole, the hole heart line of two above-mentioned clutch shaft bearing pin installing holes and two above-mentioned first fork ears
Heart line is perpendicular, and the end, axial two ends of above-mentioned clutch shaft bearing pin is pacified accordingly by needle bearing respectively
It is loaded in two above-mentioned clutch shaft bearing pin installing holes；Above-mentioned inner shaft socket cap is installed by the second bearing pin
Installing chamber in above-mentioned second, above-mentioned inner shaft socket cap offers second passed for the second bearing pin
Bearing pin is bored a hole, and above-mentioned second installs chamber is provided with a pair end, axial two ends for the second bearing pin
Snap into the second interior bearing pin installing hole, the hole heart line of two above-mentioned second bearing pin installing holes accordingly
The line of centres of second fork ear above-mentioned with two is perpendicular, the axial two ends end portion of above-mentioned second bearing pin
Tong Guo not be installed on accordingly in two above-mentioned second bearing pin installing holes by needle bearing.
The connecting assembly of the double universal semiaxis of a kind of vehicle drive axle the most according to claim 1, its
It is characterised by: above-mentioned first adapter sleeve and above-mentioned second adapter sleeve are all in column structure, and above-mentioned first pacifies
Behave affectedly room and above-mentioned second install chamber be arch shaped 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470647A CN103470647A (en) | 2013-12-25 |
| CN103470647B true CN103470647B (en) | 2016-08-17 |
Family
ID=49795635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310423415.5A Active CN103470647B (en) | 2013-09-17 | 2013-09-17 | A kind of connecting assembly of the double universal semiaxis of vehicle drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103470647B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2813409A (en) * | 1954-11-08 | 1957-11-19 | Victor Lundy | 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539512U (en) * | 2009-09-28 | 2010-08-04 | 芜湖梦达尔机械实业有限公司 | Universal coupling |
-
2013
- 2013-09-17 CN CN201310423415.5A patent/CN103470647B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2813409A (en) * | 1954-11-08 | 1957-11-19 | Victor Lundy | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470647A (en) | 2013-12-25 |
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