CN109764065A - Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly - Google Patents
Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly Download PDFInfo
- Publication number
- CN109764065A CN109764065A CN201910218426.7A CN201910218426A CN109764065A CN 109764065 A CN109764065 A CN 109764065A CN 201910218426 A CN201910218426 A CN 201910218426A CN 109764065 A CN109764065 A CN 109764065A
- Authority
- CN
- China
- Prior art keywords
- dust
- spherical
- fixed joint
- preventing component
- connection end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of fixed joint dust preventing component, fixing type equal speed universal joint assembly and drive shaft assemblies.The fixed joint dust preventing component includes the fixed joint dust cover of the first sealing ring, annular sealing cover and metal material, in the dust cover: the medial surface of dust-proof main body constitutes inner cavity, the spherical shell of fixed joint in the inner cavity can be around section heart deflection, can extend into the intracorporal outer surface of dust-proof master on the spherical shell is spherical outer surface, and the centre of sphere of the spherical outer surface is overlapped with the section heart of fixed joint；First connecting pin is provided with the first connector for being connected with drive shaft shaft；The internal diameter of second connection end is greater than the diameter of the spherical outer surface of above-mentioned spherical shell；One end of annular sealing cover can be connected with second connection end, and the other end is for the first sealing ring to be encapsulated between second connection end and the spherical outer surface of spherical shell, to be sealed to the gap between second connection end and the spherical outer surface.
Description
Technical field
The present invention relates to technical field of vehicle manufacture, in particular to fixed joint dust preventing component, fixed-type constant-velocity ten thousand
To section assembly and drive shaft assembly.
Background technique
Drive shaft assembly is the important driving member in car transmissions, is connected to gearbox and driving wheel, for that will become
The torque of fast case output is transmitted to driving wheel, the final effect for realizing driving vehicle traveling.
Under normal circumstances, it is (referred to as fixed to be connected separately with fixing type equal speed universal joint assembly for the shaft both ends of drive shaft
Universal joint assembly) and sliding constant velocity cardan joint assembly (referred to as sliding universal joint assembly).Fixed joint assembly includes
Fixed joint and dust cover, sliding universal joint assembly include sliding universal joint and dust cover, and fixed joint is used
In connection drive shaft shaft and wheel, sliding universal joint is used for for connecting drive shaft shaft and differential mechanism, dust cover to ten thousand
Proofing dust and protecting is carried out to the junction of section and drive shaft shaft.
As shown in Figure 1, being provided with rubber between the shell 04 and drive shaft shaft 05 of fixed joint in the prior art
One end of the dust cover 02 of glue material, dust cover 02 is affixed on shaft 05 by the first clip 01, and the other end passes through the second card
Hoop 03 is affixed on the shell 04 of fixed joint.
In vehicle travel process, and the outer end of fixed joint (i.e. for installing half shaft portion of wheel, the part and solid
Shell 04 is generally an integral structure) it is influenced by wheel hop, it can be deflected upward or downward centered on saving the heart 06, to occur
Deflection angle, at this point, dust cover 02 can generate the variation even flexible deformation of planform with wheel hop.Wherein, dust cover
What 02 deformation relied on is the elasticity of its own wave structure and rubber material；Shaft 05 does not generate any relative to the section heart 06
Displacement；On the central axis of shaft 05, shaft 05 and fixed joint do not produce relative rotation, to realize transmitting torque
Purpose.
But the dust cover 02 of rubber material is only applicable to the fixed joint assembly for being provided with the dust cover 02
The vehicle of urban traffic situation or other horizontal good road surface travelings, and it is not suitable for offroad vehicle and other field operation vehicles.Because more
The traveling road conditions of wild vehicle and other field operation vehicles are often more severe, and the dust cover 02 of rubber material can be often subject to extraneous barrier
Hinder impact, scraping of object etc. to destroy, to be very easy to damaging problem occur, effective dust cannot be reached, influencing drive shaft just
Often work.
Therefore, fixed joint dust cover how to be enabled to can be avoided due to the impact of extraneous barrier, scraping etc. destroy
Occur damaging problem, be suitable for travel the severe offroad vehicle of road conditions and field operation vehicle, be current those skilled in the art urgently
Technical problem to be solved.
Summary of the invention
Consolidate in view of this, being provided with this purpose of the present invention is to provide a kind of fixed joint dust preventing component and one kind
The fixing type equal speed universal joint assembly and one kind of fixed pattern universal joint dust preventing component are provided with the fixing type equal speed universal joint assembly
Drive shaft assembly and dustproof construction is arranged to it due to the fixed joint dust cover using metal material, so as to
It enables fixed joint dust cover avoid damaging problem occur because the impact of extraneous barrier, scraping etc. destroy, is applicable in it
In traveling road conditions severe offroad vehicle and field operation vehicle.
To achieve the above object, the invention provides the following technical scheme:
A kind of fixed joint dust preventing component, including the fixed of the first sealing ring, annular sealing cover and metal material
Dust proof cover for universal joint, the fixed joint dust cover includes the first connecting pin and second connection end, and is located at described the
Dust-proof main body between one connecting pin and the second connection end, in which:
The medial surface of the dust-proof main body constitutes inner cavity, the spherical shell of the fixed joint in the inner cavity around
It is ball that the section heart can extend into the intracorporal outer surface of dust-proof master on predetermined angle range intrinsic deflection, the spherical shell
Shape outer surface, the centre of sphere of the spherical outer surface are overlapped with the section heart of the fixed joint；
First connecting pin is provided with the first connector for being connected with drive shaft shaft；
The second connection end is provided with the second connector, and the internal diameter of second connector is greater than the spherical shell
The diameter of spherical outer surface；
One end of the annular sealing cover can be connected with the second connection end, and the other end by described first for sealing
Circle is encapsulated between the second connection end and the spherical outer surface of the spherical shell, to the second connection end and the ball
Gap between shape outer surface is sealed.
Preferably, in above-mentioned fixed joint dust preventing component, first connecting pin and the second connection end point
It Wei not cylinder cartridge type connecting pin；
The medial surface of the dust-proof main body is spherical medial surface, and the diameter of the spherical shape medial surface is greater than the spherical shell
Spherical outer surface diameter, it is described spherical shape medial surface the centre of sphere be overlapped with the section heart；
The junction of the dust-proof main body and the second connection end constitutes round connecting line, circle connecting line place
Plane is close to the section heart or coplanar.
Preferably, in above-mentioned fixed joint dust preventing component, described second be arranged in the second connection end connects
The internal diameter of interface is greater than the outer diameter of the dust-proof main body；
Alternatively, the internal diameter for second connector being arranged in the second connection end is equal to the interior of the dust-proof main body
Diameter.
Preferably, in above-mentioned fixed joint dust preventing component, the cross section of the annular sealing cover is square, institute
It states a right-angle side in square to be used to be connected with the second connection end, another right-angle side by described first for sealing
Circle is encapsulated between the spherical outer surface of the spherical shell and the second connection end.
Preferably, in above-mentioned fixed joint dust preventing component, first sealing ring is labyrinth type sealing ring.
Preferably, in above-mentioned fixed joint dust preventing component, first connecting pin and the drive shaft shaft it
Between by spinning mode be connected, alternatively, being threadedly coupled between first connecting pin and the drive shaft shaft；
Preferably, in above-mentioned fixed joint dust preventing component, the end of the annular sealing cover and described second connects
It connects and is connected between end by spinning mode, alternatively, screw thread connects between the end of the annular sealing cover and the second connection end
It connects.
A kind of fixing type equal speed universal joint assembly, the spherical shell including fixed joint and with the fixed joint
The dust preventing component of body adaptation, in which:
The dust preventing component is fixed joint dust preventing component as described above；
The intracorporal outer surface of dust-proof master that can extend into the fixed joint dust preventing component on the spherical shell is
Spherical outer surface, the centre of sphere of the spherical outer surface are overlapped with the section heart of the fixed joint.
A kind of drive shaft assembly including drive shaft shaft and is separately mounted to the fixed etc. of drive shaft shaft both ends
Fast universal joint assembly and sliding constant velocity cardan joint assembly, the fixing type equal speed universal joint assembly are solid as described above
Fixed pattern constant velocity cardan joint assembly.
Preferably, in above-mentioned drive shaft assembly, the sliding constant velocity cardan joint assembly include sliding universal joint and
Sliding universal joint dust preventing component, the sliding universal joint dust preventing component include that the second sealing ring and sliding universal joint are dust-proof
Cover, in which:
The both ends of the sliding dust proof cover for universal joint are respectively third connecting pin and the 4th connecting pin, the third connection
The third connector for being connected with drive shaft shaft is provided in end, the 4th connecting pin is set in described sliding universal
The outside of the cylindrical shell of section, the cylindrical shell are cylinder barrel shape structure；
Second sealing ring is set in the outside of the cylindrical shell, and is located at the cylindrical shell and described sliding
Between dust proof cover for universal joint；
The retaining ring for preventing second sealing ring from falling off is provided on the inside of 4th connecting pin, and/or, it is described
The groove for preventing second sealing ring from falling off is provided on the outside of cylindrical shell.
It can be seen from the above technical proposal that in fixed joint dust preventing component provided by the invention:
(1) since the inner cavity of the medial surface composition of dust-proof main body is relatively large, it is free around the section heart that spherical shell can be accommodated
Deflection, thus, which can guarantee that the synchronization between fixed joint and drive shaft shaft turns
Dynamic and opposite deflection, does not influence the normal work of drive shaft.
(2) due to being sealed between annular sealing cover and the spherical outer surface of spherical shell by the first sealing ring, again
It is spherical outer surface, the centre of sphere of the spherical outer surface and fixation due to can extend into the intracorporal outer surface of dust-proof master on spherical shell
The section heart of formula universal joint is overlapped, thus, when spherical shell rotates in dust-proof main body: fixed joint dust preventing component and driving
Axis shaft is opposing stationary；Annular sealing cover and the first sealing ring are slided along the spherical outer surface of spherical shell, and guarantee that first is close
Contact sealing between seal and spherical shell, that is, guarantee the dust reduction capability of the fixed joint dust preventing component.
(3) due to the material of fixed joint dust cover use metal material (preferably steel material), hardness compared with
Greatly, thus, it is possible to avoid damaging problem occur because the impact of extraneous barrier, scraping etc. destroy, the fixed joint is enabled
Dust preventing component is applicable not only to the general vehicle in urban traffic situation or other horizontal good road surface travelings, and can be suitable for
Travel road conditions severe offroad vehicle and field operation vehicle.
In addition, in fixing type equal speed universal joint assembly provided by the invention and drive shaft assembly, it is above-mentioned solid due to being provided with
Fixed pattern universal joint dust preventing component, to also have above-mentioned beneficial effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of conventional fixing type equal speed universal joint assembly；
Fig. 2 is the structural schematic diagram for the fixed joint dust preventing component that the first specific embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the drive shaft assembly that third specific embodiment of the present invention provides；
Fig. 4 is the partial enlarged view in circular dashed line region in Fig. 3；
Fig. 5 is the structural schematic diagram for the fixed joint dust preventing component that the 4th specific embodiment of the invention provides；
Fig. 6 is the structural schematic diagram for the drive shaft assembly that the 6th specific embodiment of the invention provides；
Fig. 7 is the structural schematic diagram for the drive shaft assembly that the 7th specific embodiment of the invention provides.
Wherein:
The first clip of 01-, 02- dust cover, the second clip of 03-, 04- shell, 05- drive shaft shaft, 06- save the heart；
1- fixed joint dust cover, the first sealing ring of 2-, 3- annular sealing cover, 4- spherical shell, 5- sliding ten thousand
To section dust cover, the second sealing ring of 6-, 7- cylindrical shell,
10- circle connecting line, the first connecting pin 11-, the dust-proof main body of 12-, 13- second connection end.
Specific embodiment
The invention discloses a kind of fixed joint dust preventing components and one kind to be provided with dust-proof group of the fixed joint
The fixing type equal speed universal joint assembly of part and a kind of drive shaft assembly for being provided with the fixing type equal speed universal joint assembly, by
In the fixed joint dust cover using metal material, and dustproof construction is arranged to it, so as to enable fixed joint
Dust cover avoids damaging problem occur because the impact of extraneous barrier, scraping etc. destroy, and makes severe it is suitable for travelling road conditions
Offroad vehicle and field operation vehicle.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 2, the structure that Fig. 2 is the fixed joint dust preventing component that the first specific embodiment of the invention provides is shown
It is intended to.
First specific embodiment of the invention provides a kind of fixed joint dust preventing component.(fixed joint is anti-
Mounting structure between dirt component and fixed joint, and its mounting structure between drive shaft shaft, see Fig. 3.)
The fixed joint dust preventing component includes fixed the ten thousand of the first sealing ring 2, annular sealing cover 3 and metal material
To section dust cover 1.Fixed joint dust cover 1 includes the first connecting pin 11, dust-proof main body 12 and second connection end 13, dust-proof
Main body 12 is between the first connecting pin 11 and second connection end 13.Wherein:
The medial surface of dust-proof main body 12 constitutes inner cavity, and the spherical shell 4 of the fixed joint in the inner cavity can
It is spherical outer for can extend into the outer surface in dust-proof main body 12 on predetermined angle range intrinsic deflection, spherical shell 4 around the section heart 06
Surface, the centre of sphere of the spherical outer surface are overlapped with the section heart 06 of fixed joint；
First connecting pin 11 is provided with the first connector for being connected with drive shaft shaft 05；
Second connection end 13 is provided with the second connector, and the internal diameter of the second connector is greater than the spherical appearance of spherical shell 4
The diameter (please referring to Fig. 3) in face enables fixed in order to protrude into the spherical shell 4 of fixed joint in dust-proof main body 12
Universal joint is connect with drive shaft shaft 05；
One end of annular sealing cover 3 can be connected with second connection end 13, and the other end is for the first sealing ring 2 to be encapsulated in
Between second connection end 13 and the spherical outer surface of spherical shell 4, dustproof construction is constituted, to second connection end 13 and the spherical shape
Gap between outer surface is sealed, and prevents foreign matter from entering in universal joint；
First sealing ring 2 can be tightly connected with the spherical outer surface of spherical shell 4 and (contact sealing), and not stymy
Shape shell 4 is in dust-proof 12 intrinsic deflection of main body.
Specifically, described " deflection " herein refers to, is influenced by factors such as wheel hop, wheel steerings, fixed ten thousand
It can be that upward, downward, leftward or rightward turn occurs for center relative drive shaft shaft 05 to save the heart 06 to the spherical shell 4 of section
It is dynamic.
Specifically, above-mentioned " predetermined angle range " is arranged according to following factor: 1. the outer end of fixed joint is by wheel
Jumping effect, so that the deflection angle generated when rotating upward or downward occurs for relative drive shaft shaft 05 centered on saving the heart 06
Range size；2. the outer end of fixed joint is influenced by wheel steering, to be turned to the left or to the right centered on saving the heart 06
The range size of the deflection angle generated when dynamic.
Specifically, it upward deflects, deflect down to guarantee fixed joint in relative drive shaft shaft 05, to left avertence
Turn or when deflect to the right, do not hindered by fixed joint dust cover 1, do not deviate from yet fixed joint dust cover 1 it
Outside, thus, cavity volume that the medial surface of dust-proof main body 12 is constituted and relatively large sized, to enable the spherical shape of fixed joint
Shell 4 can be remained above zero clearance distance in static or deflection process with the medial surface.
It can be seen from the above technical proposal that in the fixed joint dust preventing component:
(1) since the inner cavity of the medial surface composition of dust-proof main body 12 is relatively large, spherical shell 4 can be accommodated around the section heart 06
Free deflection, thus, which can guarantee between fixed joint and drive shaft shaft 05
It rotates synchronously and deflects relatively, do not influence the normal work of drive shaft.
(2) due to being sealed between annular sealing cover 3 and the spherical outer surface of spherical shell 4 by the first sealing ring,
Again since the outer surface that can extend into dust-proof main body 12 on spherical shell 4 is spherical outer surface, the centre of sphere of the spherical outer surface
It is overlapped with the section heart 06 of fixed joint, thus, when spherical shell 4 rotates in dust-proof main body 12: fixed joint is anti-
Dirt component and drive shaft shaft 05 are opposing stationary；The spherical outer surface of annular sealing cover 3 and the first sealing ring 2 along spherical shell 4
Sliding, and guarantee the contact sealing between the first sealing ring 2 and spherical shell 4, that is, guarantee the fixed joint dust preventing component
Dust reduction capability.
(3) due to the material of fixed joint dust cover 1 use metal material (preferably steel material), hardness compared with
Greatly, thus, it is possible to avoid damaging problem occur because the impact of extraneous barrier, scraping etc. destroy, the fixed joint is enabled
Dust preventing component is applicable not only to the general vehicle in urban traffic situation or other horizontal good road surface travelings, and can be suitable for
Travel road conditions severe offroad vehicle and field operation vehicle.
Specifically, above-mentioned first connecting pin 11 and second connection end 13 are respectively cylinder cartridge type connecting pin.
Specifically, the medial surface of above-mentioned dust-proof main body 12 is spherical medial surface, and the diameter of the spherical shape medial surface is greater than spherical shape
The diameter of the spherical outer surface of shell 4, also, the spherical appearance of the centre of sphere of the spherical medial surface of dust-proof main body 12, spherical shell 4
The centre of sphere in face is overlapped with the section heart 06.Thus, it is possible to guarantee spherical shell 4 in dust-proof main body 12 around section 06 free deflection of the heart
When, the clearance distance that is kept constant between spherical shell 4 and dust-proof main body 12.
Specifically, the junction of above-mentioned dust-proof main body 12 and second connection end 13 constitutes round connecting line 10, and the circle is even
10 place plane of wiring is close to the section heart 06 or coplanar.That is:
If round connecting line 10 and the section heart 06 are coplanar, alternatively, round connecting line 10 and dust-proof main body 12 are all located at the section heart 06
The same side (side i.e. where drive shaft shaft 05), at this point, spherical shell 4 can just pass through the interior of second connection end 13
Hole (i.e. the second connector) is simultaneously inserted into dust-proof main body 12；
If round connecting line 10 and dust-proof main body 12 are located at the two sides (as shown in Figure 3) of the section heart 06, at this time, it may be necessary to
Guarantee that 10 place plane of round connecting line close to the section heart 06, that is, guarantees the distance between round connecting line 10 and the section heart 06 enough
It is small, to guarantee only to need lesser external force in the propulsion second connection end 13 of the spherical outer surface of spherical shell 4 and can will insert
Enter in dust-proof main body 12, while second connection end 13 will not generate moderate finite deformation.
In short, the specific structure and size of dust-proof main body 12 and second connection end 13, need to guarantee 4 energy of spherical shell
It reaches the inner hole across second connection end 13 and is inserted into dust-proof main body 12, while second connection end 13 will not generate moderate finite deformation.
Preferably, as shown in Fig. 2, above-mentioned first connecting pin 11, dust-proof main body 12 and second connection end 13 are coaxially arranged, and
And second connection end 13 is the ring-shaped step structure outside the dust-proof main body 12 of protrusion, it may be assumed that second connection end 13 and dust-proof main body 12
Internal diameter is all larger than the diameter of the spherical outer surface of spherical shell 4, also, the internal diameter of second connection end 13 is greater than dust-proof main body 12
Outer diameter.So as to enable the first sealing ring 2 that biggish thickness can be set, while second connection end 13 can be enabled to be relatively distant from vehicle
Wheel avoids wheel from encountering annular sealing cover 3 and fixed joint dust cover 1 when larger deflection occurs.
Specifically, the cross section of above-mentioned annular sealing cover 3 is square, and a right-angle side of square is used to connect with second
It connects end 13 to be connected, another right-angle side is used to for the first sealing ring 2 being encapsulated in spherical outer surface and the second connection of spherical shell 4
Between end 13.
Preferably, above-mentioned first sealing ring 2 is rubber material, specially conventional seals circle (seeing Fig. 2) or labyrinth
Formula sealing ring (sees Fig. 5).
Specifically, the first connecting pin 11 of fixed joint dust cover 1 is also known as miner diameter end.First connecting pin 11 and drive
Can be carried out by spinning mode between moving axis shaft 05 it is connected, alternatively, screw thread between the first connecting pin 11 and drive shaft shaft 05
Connection.
Specifically, the second connection end 13 of fixed joint dust cover 1 is also known as sealed end.The end of annular sealing cover 3
Be connected between portion and second connection end 13 by spinning mode, alternatively, the end of annular sealing cover 3 and the second connection end 13 it
Between be threadedly coupled.
Second specific embodiment of the invention provides a kind of fixing type equal speed universal joint assembly, the fixing type equal speed universal joint
Assembly includes fixed joint and the dust preventing component that is adapted to the spherical shell 4 of fixed joint.Wherein, the dust preventing component
For the fixed joint dust preventing component provided in above-mentioned first specific embodiment；It can extend on the spherical shell 4 fixed
Outer surface in the dust-proof main body 12 of universal joint dust preventing component is spherical outer surface, the centre of sphere of the spherical outer surface and fixed ten thousand
It is overlapped to the section heart 06 of section.
Fig. 3 and Fig. 4 are please referred to, Fig. 3 is the structural schematic diagram for the drive shaft assembly that third specific embodiment of the present invention provides,
Fig. 4 is the partial enlarged view in circular dashed line region in Fig. 3.
Third specific embodiment of the present invention provides a kind of drive shaft assembly.The drive shaft assembly includes drive shaft shaft 05
With the fixing type equal speed universal joint assembly and sliding constant velocity cardan joint assembly for being separately mounted to 05 both ends of drive shaft shaft, this is solid
Fixed pattern constant velocity cardan joint assembly is the fixing type equal speed universal joint assembly provided in above-mentioned second specific embodiment.
Referring to Fig. 5, the structure that Fig. 5 is the fixed joint dust preventing component that the 4th specific embodiment of the invention provides is shown
It is intended to.
4th specific embodiment of the invention provides a kind of fixed joint dust preventing component, and the fixed joint is dust-proof
Component is compared with the fixed joint dust preventing component provided in the first specific embodiment of the invention, and only fixed joint is dust-proof
The specific structure of second connection end 13 in cover 1 is different, and other structures are identical.
Specifically, as shown in figure 5, in the fixed joint dust preventing component that 4th specific embodiment of the invention provides, the
Two connecting pins 13 are the outer end ring structure that extends in parallel out outward of dust-proof main body 12, it may be assumed that the in second connection end 13
The internal diameter of two connectors is equal to the internal diameter of dust-proof main body 12, also, both greater than the diameter of the spherical outer surface of spherical shell 4
(please referring to Fig. 5 and Fig. 6), to guarantee enough clearance distances.
5th specific embodiment of the invention provides a kind of fixing type equal speed universal joint assembly, the fixing type equal speed universal joint
Assembly includes fixed joint and the dust preventing component that is adapted to the spherical shell 4 of fixed joint.Wherein, the dust preventing component
For the fixed joint dust preventing component provided in above-mentioned 4th specific embodiment；It can extend on the spherical shell 4 fixed
Outer surface in the dust-proof main body 12 of universal joint dust preventing component is spherical outer surface, the centre of sphere of the spherical outer surface and fixed ten thousand
It is overlapped to the section heart 06 of section.
Referring to Fig. 6, Fig. 6 is the structural schematic diagram for the drive shaft assembly that the 6th specific embodiment of the invention provides.
6th specific embodiment of the invention provides a kind of drive shaft assembly.The drive shaft assembly and third of the present invention are specific
The drive shaft assembly that embodiment provides is compared, and difference, which is only that, uses the 4th specific embodiment of the invention provides fixed ten thousand
To section dust preventing component, other structures are identical.
Specifically, in third specific embodiment of the present invention and the 6th specific embodiment of the invention, sliding constant velocity universal
The sliding universal joint dust preventing component in assembly is saved, the sliding dust proof cover for universal joint of conventional structure, rubber material is all made of.
In order to further strengthen the service life of sliding constant velocity cardan joint assembly, its rushing because of extraneous barrier is avoided
It hits, scrape etc. and destroying and damaging problem occur, to be suitable for travelling the severe offroad vehicle of road conditions and field operation vehicle.To this
It invents the 7th specific embodiment and provides a kind of drive shaft assembly, the drive shaft assembly and the 6th specific embodiment of the invention provide
Drive shaft assembly compare, difference be only that in sliding constant velocity cardan joint assembly sliding universal joint dust preventing component carry out
It improves.
Specifically, as shown in fig. 7, Fig. 7 is the structural representation for the drive shaft assembly that the 7th specific embodiment of the invention provides
Figure.
In the drive shaft assembly that 7th specific embodiment of the invention provides, sliding constant velocity cardan joint assembly includes sliding
Universal joint and sliding universal joint dust preventing component, the sliding universal joint dust preventing component include the second sealing ring 6 and sliding ten thousand
To section dust cover 5.Wherein:
The both ends of sliding dust proof cover for universal joint 5 are respectively third connecting pin and the 4th connecting pin, and third is set in connecting pin
It is equipped with the third connector for being connected with drive shaft shaft 05, the 4th connecting pin is set in the cylindrical shell of sliding universal joint
7 outside, cylindrical shell 7 are cylinder barrel shape structure；
Second sealing ring 6 is set in the outside of cylindrical shell 7, and is located at cylindrical shell 7 and sliding dust proof cover for universal joint 5
The 4th connecting pin between；
It is provided on the inside of 4th connecting pin of sliding dust proof cover for universal joint 5 for preventing the second sealing ring 6 from falling off
Retaining ring, and/or, the outside of cylindrical shell 7 is provided with the groove for preventing the second sealing ring 6 from falling off.
Specifically, above-mentioned retaining ring can be the integrally formed knot on the 4th connecting pin of sliding dust proof cover for universal joint 5
Structure is also possible to additionally mounted individual part.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of fixed joint dust preventing component, which is characterized in that including the first sealing ring (2), annular sealing cover (3) and gold
Belong to the fixed joint dust cover (1) of material, the fixed joint dust cover (1) includes the first connecting pin (11) and the
Two connecting pins (13), and the dust-proof main body between first connecting pin (11) and the second connection end (13)
(12), in which:
The medial surface of the dust-proof main body (12) constitutes inner cavity, the spherical shell of the fixed joint in the inner cavity
(4) the dust-proof main body can be can extend on predetermined angle range intrinsic deflection, the spherical shell (4) around the section heart (06)
(12) outer surface in is spherical outer surface, the section heart (06) weight of the centre of sphere of the spherical outer surface and the fixed joint
It closes；
First connecting pin (11) is provided with the first connector for being connected with drive shaft shaft (05)；
The second connection end (13) is provided with the second connector, and the internal diameter of second connector is greater than the spherical shell
(4) diameter of spherical outer surface；
One end of the annular sealing cover (3) can be connected with the second connection end (13), and the other end is used for described first
Sealing ring (2) is encapsulated between the second connection end (13) and the spherical outer surface of the spherical shell (4), to described second
Gap between connecting pin (13) and the spherical outer surface is sealed.
2. fixed joint dust preventing component according to claim 1, which is characterized in that first connecting pin (11) and
The second connection end (13) is respectively cylinder cartridge type connecting pin；
The medial surface of the dust-proof main body (12) is spherical medial surface, and the diameter of the spherical shape medial surface is greater than the spherical shell
(4) centre of sphere of the diameter of spherical outer surface, the spherical shape medial surface is overlapped with the section heart (06)；
The junction of the dust-proof main body (12) and the second connection end (13) constitutes round connecting line (10), and the circle is even
Plane is close to the section heart (06) or coplanar where wiring (10).
3. fixed joint dust preventing component according to claim 2, which is characterized in that on the second connection end (13)
The internal diameter for second connector being arranged is greater than the outer diameter of the dust-proof main body (12).
4. fixed joint dust preventing component according to claim 2, which is characterized in that on the second connection end (13)
The internal diameter for second connector being arranged is equal to the internal diameter of the dust-proof main body (12).
5. fixed joint dust preventing component according to claim 1, which is characterized in that the annular sealing cover (3)
Cross section is square, and in the square a right-angle side is used to be connected with the second connection end (13), another is straight
The arm of angle be used for by first sealing ring (2) be encapsulated in the spherical shell (4) spherical outer surface and the second connection end
(13) between.
6. fixed joint dust preventing component according to claim 1, which is characterized in that first sealing ring (2) is
Labyrinth type sealing ring.
7. fixed joint dust preventing component according to any one of claims 1 to 6, which is characterized in that described first connects
It connects and is connected between end (11) and the drive shaft shaft (05) by spinning mode, or be threadedly coupled；
And/or be connected between the end and the second connection end (13) of the annular sealing cover (3) by spinning mode, or
It is threadedly coupled.
8. a kind of fixing type equal speed universal joint assembly, which is characterized in that including fixed joint and with it is described fixed universal
The dust preventing component of spherical shell (4) adaptation of section, in which:
The dust preventing component is fixed joint dust preventing component as described in any one of claim 1 to 7；
It can extend into the outer surface in the dust-proof main body (12) of the fixed joint dust preventing component on the spherical shell (4)
For spherical outer surface, the centre of sphere of the spherical outer surface is overlapped with the section heart (06) of the fixed joint.
9. a kind of drive shaft assembly, which is characterized in that including drive shaft shaft (05) and be separately mounted to the drive shaft shaft
(05) the fixing type equal speed universal joint assembly at both ends and sliding constant velocity cardan joint assembly, the fixing type equal speed universal joint assembly
For fixing type equal speed universal joint assembly as claimed in claim 8.
10. drive shaft assembly according to claim 9, which is characterized in that the sliding constant velocity cardan joint assembly includes
Sliding universal joint and sliding universal joint dust preventing component, the sliding universal joint dust preventing component include the second sealing ring (6)
With sliding dust proof cover for universal joint (5), in which:
The both ends of the sliding dust proof cover for universal joint (5) are respectively third connecting pin and the 4th connecting pin, the third connection
The third connector for being connected with drive shaft shaft (05) is provided in end, the 4th connecting pin is set in described sliding
The outside of the cylindrical shell (7) of universal joint, the cylindrical shell (7) are cylinder barrel shape structure；
Second sealing ring (6) is set in the outside of the cylindrical shell (7), and is located at the cylindrical shell (7) and described
Between sliding dust proof cover for universal joint (5)；
The retaining ring for preventing second sealing ring (6) from falling off is provided on the inside of 4th connecting pin, and/or, it is described
The groove for preventing second sealing ring (6) from falling off is provided on the outside of cylindrical shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218426.7A CN109764065B (en) | 2019-03-21 | 2019-03-21 | Fixed constant velocity universal joint assembly, dustproof assembly thereof and driving shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218426.7A CN109764065B (en) | 2019-03-21 | 2019-03-21 | Fixed constant velocity universal joint assembly, dustproof assembly thereof and driving shaft assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109764065A true CN109764065A (en) | 2019-05-17 |
| CN109764065B CN109764065B (en) | 2023-10-13 |
Family
ID=66459601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910218426.7A Active CN109764065B (en) | 2019-03-21 | 2019-03-21 | Fixed constant velocity universal joint assembly, dustproof assembly thereof and driving shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109764065B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762104A (en) * | 2021-01-22 | 2021-05-07 | 中国第一汽车股份有限公司 | Cross lane movable universal joint pull-off prevention structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2206392A (en) * | 1987-07-03 | 1989-01-05 | Spicer Hardy Ltd | Universal joint having sealing enclosure |
| JPH0840005A (en) * | 1994-05-23 | 1996-02-13 | Ntn Corp | Drive shaft |
| US20070066407A1 (en) * | 2005-09-15 | 2007-03-22 | Akio Sakaguchi | Double constant velocity universal joint |
| DE102010009674A1 (en) * | 2010-02-27 | 2011-09-01 | Daimler Ag | Constant velocity joint for use in drive shaft of motor car, has anti-twist plate formed such that housing cover is not twisted against universal joint housing, where anti-twist plate is arranged in joint housing |
| JP2011190870A (en) * | 2010-03-15 | 2011-09-29 | Toyota Motor Corp | Power transmission device |
| CN102619891A (en) * | 2012-03-29 | 2012-08-01 | 南京冠盛汽配有限公司 | Single sphere drive shaft assembly for constant velocity universal joint |
| CN106151304A (en) * | 2016-08-30 | 2016-11-23 | 宁波纬尚汽车零部件有限公司 | A kind of drive shaft assembly seals structure and sealing member material |
| US20170328418A1 (en) * | 2016-05-13 | 2017-11-16 | Aircraft Gear Corporation | Seal for a constant velocity joint |
| CN209654456U (en) * | 2019-03-21 | 2019-11-19 | 浙江盘毂动力科技有限公司 | Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly |
-
2019
- 2019-03-21 CN CN201910218426.7A patent/CN109764065B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2206392A (en) * | 1987-07-03 | 1989-01-05 | Spicer Hardy Ltd | Universal joint having sealing enclosure |
| JPH0840005A (en) * | 1994-05-23 | 1996-02-13 | Ntn Corp | Drive shaft |
| US20070066407A1 (en) * | 2005-09-15 | 2007-03-22 | Akio Sakaguchi | Double constant velocity universal joint |
| DE102010009674A1 (en) * | 2010-02-27 | 2011-09-01 | Daimler Ag | Constant velocity joint for use in drive shaft of motor car, has anti-twist plate formed such that housing cover is not twisted against universal joint housing, where anti-twist plate is arranged in joint housing |
| JP2011190870A (en) * | 2010-03-15 | 2011-09-29 | Toyota Motor Corp | Power transmission device |
| CN102619891A (en) * | 2012-03-29 | 2012-08-01 | 南京冠盛汽配有限公司 | Single sphere drive shaft assembly for constant velocity universal joint |
| US20170328418A1 (en) * | 2016-05-13 | 2017-11-16 | Aircraft Gear Corporation | Seal for a constant velocity joint |
| CN106151304A (en) * | 2016-08-30 | 2016-11-23 | 宁波纬尚汽车零部件有限公司 | A kind of drive shaft assembly seals structure and sealing member material |
| CN209654456U (en) * | 2019-03-21 | 2019-11-19 | 浙江盘毂动力科技有限公司 | Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762104A (en) * | 2021-01-22 | 2021-05-07 | 中国第一汽车股份有限公司 | Cross lane movable universal joint pull-off prevention structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109764065B (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7607985B2 (en) | Constant velocity fixed joint | |
| JPS5944540B2 (en) | universal joint | |
| CN209654456U (en) | Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly | |
| US6267683B1 (en) | Assembly having a constant velocity joint and a receiving part | |
| CN102852978A (en) | Static sealing device for wheel hub assemblies connected to constant velocity joints | |
| CN109764065A (en) | Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly | |
| US4145896A (en) | Constant velocity joint | |
| JP5607542B2 (en) | Joint motion suppression device | |
| MXPA97004125A (en) | Flexi gear coupling | |
| KR940020013A (en) | Bellow Packing Body for Journal Knuckle Joint | |
| EP0275655A1 (en) | Drive shaft | |
| US7357725B2 (en) | Boot for constant velocity universal joint | |
| KR20190132184A (en) | Wheel bearing assembly | |
| CN116857292B (en) | Universal joint precision bearing | |
| EP0060834B1 (en) | Spherical joint with flexible seals | |
| CN217259397U (en) | Hub unit with ABS magnetic encoder | |
| CN212717683U (en) | Constant velocity universal joint transmission shaft assembly | |
| CN220365879U (en) | Constant velocity universal joint with novel interface structure | |
| CN209856257U (en) | Dust cover connecting structure for ball cage | |
| CN207377988U (en) | A kind of new construction steering universal joint | |
| JP4864500B2 (en) | Constant velocity universal joint | |
| JP2002250359A (en) | Constant velocity universal joint | |
| KR20220049931A (en) | Constant velocity joint | |
| KR200177772Y1 (en) | Cross and roller universal joint for car | |
| KR20240038411A (en) | Integratde drive axle assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Applicant after: Zhejiang Panhu Power Technology Co.,Ltd. Address before: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Applicant before: CORE DRIVE TECHNOLOGY (JINHUA) Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |