Wet separation clutch assembly and power assembly
Technical field
The utility model is related to automobile technical fields, in particular to a kind of wet separation clutch assembly and power
Assembly.
Background technology
Fig. 1 is the structural schematic diagram of the clutch of the prior art.
From figure 1 it appears that existing clutch assembly includes the input shaft 1 being connected with each other and output shaft 11, inner casing 2,
It friction plate steel disc group 3, shell 4, motor internal rotor 5, piston 6, the first needle bearing 7, sealing ring 8, the second needle bearing 9 and pushes away
Power bearing 10.Input shaft 1 and the connection of output shaft 11 are designed as 2 needle-type bearings (the first needle bearing 7 and the second needle bearing
9) combined with 1 thrust bearing 10, though this design can bear axial force, cannot two-sided axial limiting, so output shaft 11
Axial float have larger impact to the service life of assembly.
And needle bearing transmission efficiency is low.
Utility model content
The purpose of this utility model is to provide a kind of wet separation clutch assemblies, can preferably support input shaft
And output shaft, stable structure, structural strength are outstanding.And such wet separation clutch assembly is easy to operate, it can be significantly
The efficiency of power distribution is improved, it is easily manufactured, be conducive to large-scale pipeline production.
The another object of the utility model is to provide a kind of power assembly including above-mentioned wet separation clutch assembly,
It can export the power of predetermined manner, and service life is long.
What the embodiments of the present invention were realized in:
A kind of wet separation clutch assembly comprising:
Input shaft, output shaft, support arm, inner support, friction plate steel disc group, piston, electric machine support, the first needle bearing,
First ball bearing, the first baffle ring;
Input shaft and output shaft by the first needle bearing and the first ball bearing radial support,
Input shaft is axially supported with output shaft by the first ball bearing, and the first baffle ring axial limiting is passed through;
Inner support is fixedly connected with input shaft, and support arm is fixedly connected with output shaft, and electric machine support is fixed with output shaft to be connected
It connects;
Friction plate steel disc group is arranged between support arm and inner support, and friction plate steel disc group includes friction plate and steel disc,
Middle friction plate is connect with inner support, and steel disc is connect with support arm;Piston is arranged between friction plate steel disc group and support arm;
And the end face of piston, close to friction plate steel disc group, piston, which is configured as piston, can act on active force friction
In piece steel disc group, so that input shaft keeps linkage by hydraulic coupling and spring force with output shaft or detaches.
The input shaft and output axis connection of existing clutch assembly are designed as through 2 needle-type bearings and 1 thrust axis
Hold combination realize supporting role, though this design can bear axial force, cannot two-sided axial limiting, so the axial direction of output shaft
Play has larger impact to the service life of assembly.And needle bearing transmission efficiency is low.
Accordingly, inventor has invented a kind of wet separation clutch assembly, and input shaft passes through the first needle roller axis with output shaft
It holds and is axially supported by the first baffle ring with output shaft with the first ball bearing radial support, input shaft.Needle bearing and ball bearing tool
Big load is born, and has the bearing capacity of preferable radial load, it is thus possible to is preferable to complete to input shaft and output
The radial support of axis.First baffle ring then preferably makes the axially position of input shaft and input shaft, improves the axis of existing clutch
To play.Such wet separation clutch assembly is simple in structure, can preferably realize the diameter between input shaft and output shaft
To support and axial limiting, the service life of wet separation clutch assembly can be significantly promoted.
To sum up, such wet separation clutch assembly is simple in structure, safe and reliable, can significantly improve clutch
Job stability, and it is easily manufactured, be conducive to large-scale pipeline production.
In a kind of embodiment of the utility model:
Above-mentioned wet separation clutch assembly further includes sealing cover,
Sealing cover is arranged between the first baffle ring and the first ball bearing.
In a kind of embodiment of the utility model:
Above-mentioned sealing cover is set in the tip inside of input shaft, and the first sealing dress is provided between sealing cover and input shaft
It sets.
In a kind of embodiment of the utility model:
Above-mentioned first sealing device is preferably O-ring seals.
In a kind of embodiment of the utility model:
Above-mentioned output sleeve is located in input shaft;
The end of input shaft inner wall and sealing cover forms the first stepped hole, and output shaft has the close to the end set of sealing cover
Two stepped holes;
The outer ring of first ball bearing side is connected on the first stepped hole, and the inner ring of the first ball bearing other side is connected to
On two stepped holes.
In a kind of embodiment of the utility model:
Above-mentioned wet separation clutch assembly further includes the second baffle ring;
Second baffle ring sets the end far from sealing cover just on the second stepped hole.
In a kind of embodiment of the utility model:
Above-mentioned wet separation clutch assembly further includes elastic parts;
Elastic parts is configured to supply elastic force to pre-tighten and resetting piston.
In a kind of embodiment of the utility model:
Above-mentioned input shaft further includes the first oil inlet pipe, and output shaft further includes the first pipeline road;
The outlet of first oil inlet pipe is connect with the import of the first pipeline road, the outlet face piston of the first pipeline road
With output between centers cavity, to push piston motion that friction plate steel disc group is made to be combined with each other.
In a kind of embodiment of the utility model:
Above-mentioned input shaft further includes the second oil inlet pipe, and output shaft further includes the second pipeline road;
The outlet of second oil inlet pipe is connect with the import of the second pipeline road,
The one outlet of second pipeline road is opposite with piston, to lubricate piston;
Another outlet of second pipeline road is opposite with input shaft end face, with lubricating friction plate and the first needle bearing.
In a kind of embodiment of the utility model:
The outlet of above-mentioned first oil inlet pipe and the import both sides of the first pipeline road are by seal ring seal, to reduce oil
Leakage, keep oil pressure, and prevent the first pipeline road and the second pipeline road from ganging up;
In a kind of embodiment of the utility model:
Above-mentioned includes electric machine support;
Electric machine support with connect driving motor, driving motor power is transmitted on output shaft.
A kind of power assembly comprising the wet separation clutch assembly of any of the above-described.
Such power assembly includes whole advantageous effects of above-mentioned wet separation clutch assembly.
The advantageous effect of the utility model embodiment is:
A kind of wet separation clutch assembly comprising input shaft, output shaft, support arm, inner support, friction plate steel disc
Group, piston, electric machine support, the first needle bearing, the first ball bearing, the first baffle ring.Its input shaft passes through the first rolling with output shaft
Needle bearing and the first ball bearing radial support, input shaft are axially supported with output shaft by the first baffle ring.Needle bearing and ball axis
Hold with bearing big load, and have the bearing capacity of preferable radial load, it is thus possible to it is preferable complete to input shaft and
The radial support of output shaft.First baffle ring then preferably makes the axially position of input shaft and input shaft, improves existing clutch
Axial float.Such wet separation clutch assembly is simple in structure, can preferably realize between input shaft and output shaft
Radial support and axial limiting, can significantly promote the service life of wet separation clutch assembly.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the wet clutch of the prior art;
Fig. 2 is the structural schematic diagram for the wet clutch that the utility model embodiment provides;
Fig. 3 is the partial schematic diagram of Fig. 2.
Icon:1- input shafts;2- inner casings;3- friction plate steel disc groups;4- shells;5- motor internal rotors;6- pistons;7- first
Needle bearing;8- sealing rings;The second needle bearings of 9-;10- thrust bearings;11- output shafts;20- wet separation clutch assemblies;
110- input shafts;The first stepped holes of 111-;The first oil inlet pipes of 113-;The second oil inlet pipes of 114-;120- output shafts;121-
Two stepped holes;The first pipeline roads of 123-;The second pipeline roads of 124-;210- electric machine supports;220- support arms;230- friction plates
Steel disc group;241- pistons;250- inner supports;The first needle bearings of 261-;The first ball bearings of 262-;The first baffle rings of 263-;310-
Sealing cover;320- first sealing devices;The second baffle rings of 330-;340- elastic parts;410- input shaft splines;420- outer support axis
It holds;430- plug cocks;440- sealing rings.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that if occur term "center", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on ... shown in the drawings or position
Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality
With novel and simplified description, does not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third "
It is described etc. being only used for distinguishing, is not understood to indicate or imply relative importance.
If being not offered as requiring component abswolute level or outstanding in addition, there are the terms such as term "horizontal", "vertical", " pendency "
It hangs down, but can be slightly tilted.It is not to indicate to be somebody's turn to do if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical"
Structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, if there is art
Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be detachable for example, it may be being fixedly connected
Connection, or be integrally connected;It can be mechanical connection, can also be electrical connection;It can be directly connected, centre can also be passed through
Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 2 is please referred to, Fig. 2 is that a kind of structure for wet separation clutch assembly 20 that the utility model embodiment provides is shown
It is intended to.As can be seen from Figure 2 a kind of wet separation clutch assembly 20 includes input shaft 110, output shaft 120, support arm
220, inner support 250, friction plate steel disc group 230, piston 241, electric machine support 210, the first needle bearing 261, the first ball bearing
262, the first baffle ring 263.
Input shaft 110 passes through 262 radial support of the first needle bearing 261 and the first ball bearing, input shaft with output shaft 120
110 support with output shaft 120 by the way that the first baffle ring 263 is axial;
Inner support 250 is fixedly connected with input shaft 110, and support arm 220 is fixedly connected with output shaft 120, electric machine support 210
It is fixedly connected with output shaft 120;
Friction plate steel disc group 230 is arranged between support arm 220 and inner support 250, and friction plate steel disc group 230 includes friction
Piece and steel disc, wherein friction plate are connect with inner support 250, and steel disc is connect with support arm 220;Piston 241 is arranged in friction plate steel
Between piece group 230 and support arm 220;
And the end face of piston 241, close to friction plate steel disc group 230, piston 241, which is configured as piston 241, will act on
Force effect is in friction plate steel disc group 230, so that input shaft 110 keeps linking with output shaft 120 by hydraulic coupling and spring force
Or separation.
Input shaft 110 and output shaft 120 connection of existing clutch assembly are designed as through 2 needle-type bearings and 1
Thrust bearing combination realize supporting role, though this design can bear axial force, cannot two-sided axial limiting, so output shaft
120 axial float has larger impact to the service life of assembly.And needle bearing transmission efficiency is low.
Accordingly, inventor has invented a kind of wet separation clutch assembly 20, and input shaft 110 and output shaft 120 pass through the
262 radial support of one needle bearing 261 and the first ball bearing, input shaft 110, by the first ball bearing 262, lead to output shaft 120
Cross 263 axial limiting of the first baffle ring.Needle bearing and ball bearing, which have, bears big load, and has holding for preferable radial load
Loading capability, it is thus possible to the preferable radial support completed to input shaft 110 and output shaft 120.First baffle ring 263 is then preferably
The axially position for making input shaft 110 and input shaft 110 improves the axial float of existing clutch.Such wet separation from
Clutch assembly 20 is simple in structure, can preferably realize the radial support between input shaft 110 and output shaft 120 and axial limit
Position, can significantly promote the service life of wet separation clutch assembly 20.Such 20 knot of wet separation clutch assembly
Structure is simple, safe and reliable, can significantly improve the job stability of clutch, and easily manufactured, be conducive to extensive flowing water
Line produces.
It should be noted that it can be seen from the figure that end set of the input shaft 110 far from output shaft 120 has input shaft
110 splines can ensure the stability that 110 end power of input shaft transmits.
The outer support bearing 420 being spaced apart is additionally provided on the outer diameter direction of input shaft 110, to ensure that clutch arranges
The stationarity of work.
Wet separation clutch further includes sealing ring 440, and sealing ring 440 is arranged between input shaft 110 and output shaft 120
To seal gap between the two.And sealing ring 440 is located at the first side of the needle bearing 261 far from piston 241.
Fig. 2 and Fig. 3 are please referred to continue the CONSTRUCTED SPECIFICATION of understanding wet separation clutch.
In the present embodiment of the utility model, above-mentioned wet separation clutch assembly 20 further includes sealing cover 310, sealing
Lid 310 is arranged between the first baffle ring 263 and the first ball bearing 262.
Further, above-mentioned sealing cover 310 is set in the tip inside of input shaft 110, sealing cover 310 and input shaft 110
Between be provided with first sealing device 320.Preferentially, above-mentioned first sealing device 320 is preferably O-ring seals.In this way, to increase
The leakproofness of encryption capping 310 and input shaft 110.
In the present embodiment, input shaft 110 is propped up with output shaft 120 by the way that the first ball bearing 262 and sealing cover 310 are axial
Support.
From this figure it can be seen that in the present embodiment, above-mentioned output shaft 120 is set in input shaft 110;Input shaft 110
The end of inner wall and sealing cover 310 forms the first stepped hole 111, and output shaft 120 has second close to the end set of sealing cover 310
Stepped hole 121;The outer ring of first ball bearing, 262 side is connected on the first stepped hole 111,262 other side of the first ball bearing
Inner ring is connected on the second stepped hole 121.
That is, the limit space being enclosed in the first stepped hole 111 and the second stepped hole 121 is arranged in the first ball bearing 262
In.In this way, the first ball bearing 262 being total in the first stepped hole 111, the second stepped hole 121, sealing cover 310 and the first baffle ring 263
Under limiting, it cannot move axially, spline wear and bearing damage risk can be reduced.
Further, in the present embodiment, above-mentioned wet separation clutch assembly 20 further includes the second baffle ring 330;Second
Baffle ring 330 sets the end far from sealing cover 310 just on the second stepped hole 121.To improve the limit effect of the first ball bearing 262
Fruit.
In the present embodiment, input shaft 110 is propped up with output shaft 120 by the way that the first ball bearing 262 and sealing cover 310 are axial
Support, passes through 330 axial limiting of the first baffle ring 263 and the second baffle ring.
In the present embodiment, above-mentioned wet separation clutch assembly 20 further includes elastic parts 340;340 quilt of elastic parts
Elastic force is configured to provide for pre-tighten and resetting piston 241.
It can be seen from the figure that above-mentioned input shaft 110 further includes the first oil inlet pipe 113, output shaft 120 further includes first
Pipeline road 123;The outlet of first oil inlet pipe 113 is connect with the import of the first pipeline road 123, the first pipeline road 123
Outlet face piston 241 and output shaft 120 between cavity, with push piston 241 movement make friction plate steel disc group 230 mutually tie
It closes.Hydraulic oil liquid enters the first pipeline road 123 by the first oil inlet pipe 113, and 241 He of piston is pushed under the action of oil pressure
Elastic parts 340 moves, and friction plate steel disc group 230 is made to combine, and realizes that input shaft 110 and output shaft 120 rotate synchronously.
Above-mentioned input shaft 110 further includes the second oil inlet pipe 114, and output shaft 120 further includes the second pipeline road 124;The
The outlet of two oil inlet pipes 114 is connect with the import of the second pipeline road 124, the one outlet of the second pipeline road 124 and work
Plug 241 is opposite, to lubricate piston 241.Another outlet of second pipeline road 124 is opposite with 110 end face of input shaft, with lubrication
Friction plate and the first needle bearing 261.Optionally, the end of the first pipeline road 123 and the second pipeline road 124 is also set only
Plug cock 430.
Hydraulic oil liquid enters the second pipeline road 124 by the second oil inlet pipe 114, and fluid enters input shaft 110, output
Cavity between axis 120, and then lubricate the first needle bearing 261 and friction plate steel disc group 230.
From this figure it can be seen that the outlet and the import both sides of the first pipeline road 123 of the first oil inlet pipe 113 pass through
Sealing ring 440 seals, and to reduce the leakage of oil, keeps oil pressure, and prevent the first pipeline road 123 and the second pipeline road 124
It gangs up;
Further, wet separation clutch assembly 20 includes electric machine support 210;Electric machine support 210 with connect driving electricity
Driving motor power is transmitted on output shaft 120 by machine.
The embodiments of the present invention also provide a kind of power assembly comprising the wet separation clutch of any of the above-described
Assembly 20.Such power assembly includes whole advantageous effects of above-mentioned wet separation clutch assembly 20.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.