CN208123281U - A kind of constant velocity driving shaft with high abrasion housing alley - Google Patents

Abstract

The utility model relates to mechanical fitting technical fields, and disclose a kind of constant velocity driving shaft with high abrasion housing alley, including housing, the internal activity of the housing is socketed with cage, drive shaft is fixedly attached on the inside of the cage, one end movable sleeve of the housing is connected to dust cover, one end of the dust cover and the outer surface pivot bush unit of drive shaft, one end movable sleeve of the dust cover is connected to fixing sleeve, and the other end movable sleeve of the dust cover is connected to lock sleeve.The constant velocity driving shaft with high abrasion housing alley, it is contacted by friction plate with cage, avoids contacting with housing, prevent housing from contacting with cage, make housing modification, housing is damaged, and cooperates fixed rotating shaft, making the inner wall of friction plate and housing, there are spacing, movable spring is recycled to be supported friction plate, when making friction plate and cage, buffering is reduced, to improve the wearability of housing.

Description

A kind of constant velocity driving shaft with high abrasion housing alley

Technical field

The utility model relates to mechanical fitting technical field, specially a kind of constant-speed driving with high abrasion housing alley Moving axis.

Background technique

Constant velocity driving shaft is the axis connection that two axis are not overlapped, and transmits two axis with identical angular speed and transport Dynamic mechanism is the important component in vehicle drive system, and effect is that power of engine is delivered from speed changer to vapour The driving wheel of vehicle meets the requirement of vehicular transmission shaft outer end corner, thus the power of engine is steady, reliably pass to vehicle Wheel, constant velocity driving shaft adapts to axial movement variation, the ability of corner variation is one of most important index for measuring its quality, with The development of automotive engineering, constant velocity driving shaft have obtained more and more applications, housing constant velocity driving shaft on car or SUV It is the critical component in constant velocity driving shaft design, and effect is more practical more than other constant velocity driving shafts.

But as the time used increases, the defect of housing constant velocity driving shaft is with appearance, such as housing For fast drive shaft after rotating to the limit, cage can pass through repeatedly friction with the alley friction of pot shell, can make the alley of pot shell It is severely deformed, cause drive shaft to be scrapped and be not available, in addition pot shell and cage last time are added with dust cover, but dust cover is fixed It is insecure, it is often mobile so that dust enters pot shell, influence the service life of housing constant velocity driving shaft.

Utility model content

（One）The technical issues of solution

In view of the deficiencies of the prior art, the utility model provides a kind of constant speed driving with high abrasion housing alley Axis has the advantages that wearability for increasing housing and fixed dust cover, solves the alley friction of cage and pot shell, make slot The alley of shell is severely deformed, and in addition pot shell and cage last time are added with dust cover, but dust cover fixes insecure, often shifting Dynamic problem.

（Two）Technical solution

To realize that wearability and fixed dust cover purpose, the utility model of above-mentioned increase housing provide following technology Scheme：A kind of constant velocity driving shaft with high abrasion housing alley, including housing, the internal activity of the housing It is socketed with cage, drive shaft is fixedly attached on the inside of the cage, one end movable sleeve of the housing is connected to dust cover, One end of the dust cover and the outer surface pivot bush unit of drive shaft, one end movable sleeve of the dust cover are connected to fixing sleeve, The other end movable sleeve of the dust cover is connected to lock sleeve, and one end that the dust cover is located at lock sleeve is fixedly installed with activity Set, one end of the movable sleeve are fixedly installed with locating rod, and the outer surface of the drive shaft is fixedly installed with limit plate, described Locating rod one end runs through limit plate and extends to the outside of limit plate, and the inside movable sleeve of the outer surface of locating rod and limit plate Dress, the housing inner wall are fixedly installed with fixed rotating shaft, and the outer surface movable sleeve of the fixed rotating shaft is connected to friction plate, institute State friction plate and be located at the side of fixed rotating shaft and be fixedly installed with movable spring, one end of the movable spring and housing it is interior Wall is fixedly mounted, and the outer surface of side and cage of the friction plate far from fixed rotating shaft contacts with each other.

Preferably, the outer surface of the locating rod opens up fluted, and the quantity of the groove is two, two grooves It is evenly distributed on the outer surface of locating rod.

Preferably, being internally located at below groove for the locating rod offers movable chamber, and the bottom of the movable chamber is opened Equipped with shifting chute, it is interconnected between the groove, shifting chute and movable chamber.

Preferably, the inner wall of the groove is fixedly installed with movable rotation-shaft, the outer surface pivot bush unit of the movable rotation-shaft There is gag lever post, the side of the gag lever post is fixedly installed with positioning rotating shaft.

Preferably, the internal activity of the movable chamber is equipped with fixed spring, and one end of the fixed spring is flexibly connected There is sliding block, one end of the sliding block is sequentially connected by the inner wall of fixed spring and movable chamber.

Preferably, the side of the sliding block extends to the inside of groove by shifting chute and is fixedly installed with limit rotary shaft, The outer surface movable sleeve of the limit rotary shaft is connected to support rod, one end of the support rod and the outer surface movable sleeve of positioning rotating shaft It connects.

（Three）Beneficial effect

Compared with prior art, the utility model provides a kind of constant velocity driving shaft with high abrasion housing alley, Has following beneficial effect：

1, the constant velocity driving shaft with high abrasion housing alley is contacted by friction plate with cage, is avoided and three columns Pot shell contact, prevents housing from contacting with cage, makes housing modification, damage housing, and cooperates fixed rotating shaft, Making the inner wall of friction plate and housing, there are spacing, recycle movable spring to be supported friction plate, make friction plate and ball When cage, buffering is reduced, to improve the wearability of housing.

2, the constant velocity driving shaft with high abrasion housing alley carries out dust cover by fixing sleeve and lock sleeve It is fixed, it is fixed on dust cover on housing and drive shaft, cooperation gag lever post is contacted with limit plate, is stuck in drive shaft On limit plate, sliding block is recycled to move in movable chamber, it is mobile to make limit rotary shaft, to make gag lever post convenient for shrinking, reached just In fixed and disassembly effect.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is 1 side view of the utility model structure chart；

Fig. 3 is the utility model structure housing Local map；

Fig. 4 is the enlarged drawing of A in the utility model structure chart 1.

In figure：1 housing, 2 cages, 3 drive shafts, 4 dust covers, 5 fixing sleeves, 6 lock sleeves, 7 movable sleeves, 8 positioning Bar, 9 limit plates, 10 fixed rotating shafts, 11 friction plates, 12 movable springs, 13 grooves, 14 movable chambers, 15 shifting chutes, 16 activities turn Axis, 17 gag lever posts, 18 positioning rotating shafts, 19 fixed springs, 20 sliding blocks, 21 limit rotary shafts, 22 support rods.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-4, a kind of constant velocity driving shaft with high abrasion housing alley, including housing 1, three column slots The internal activity of shell 1 is socketed with cage 2, and the inside of cage 2 is fixedly attached drive shaft 3, one end pivot bush unit of housing 1 There are dust cover 4, one end of dust cover 4 and the outer surface pivot bush unit of drive shaft 3, one end movable sleeve of dust cover 4 is connected to solid Surely 5 are covered, the other end movable sleeve of dust cover 4 is connected to lock sleeve 6, by fixing sleeve 5 and lock sleeve 6, consolidates to dust cover 4 It is fixed, it is fixed on dust cover 4 on housing 1 and drive shaft 3, one end that dust cover 4 is located at lock sleeve 6 is fixedly installed with work Dynamic set 7, one end of movable sleeve 7 is fixedly installed with locating rod 8, and the outer surface of drive shaft 3 is fixedly installed with limit plate 9, positioning 8 one end of bar runs through limit plate 9 and extends to the outside of limit plate 9, and the outer surface of locating rod 8 and the activity of the inside of limit plate 9 Suit, 1 inner wall of housing are fixedly installed with fixed rotating shaft 10, and the outer surface movable sleeve of fixed rotating shaft 10 is connected to friction plate 11, The side that friction plate 11 is located at fixed rotating shaft 10 is fixedly installed with movable spring 12, one end of movable spring 12 and housing 1 Inner wall be fixedly mounted, and side of the friction plate 11 far from fixed rotating shaft 10 and the outer surface of cage 2 contact with each other, and pass through friction Plate 11 is contacted with cage 2, is avoided contacting with housing 1, is prevented housing 1 from contacting with cage 2, and 1 modification of housing is made, Housing 1 is damaged, and cooperates fixed rotating shaft 10, making the inner wall of friction plate 11 and housing 1, there are spacing, recycle and live Spring 12 of moving is supported friction plate 11, when making friction plate 11 and cage 2, buffering is reduced, to improve the resistance to of housing 1 Mill property, the outer surface of locating rod 8 open up fluted 13, and the quantity of groove 13 is two, and two grooves 13 are evenly distributed on positioning The outer surface of bar 8, the lower section for being internally located at groove 13 of locating rod 8 offer movable chamber 14, and the bottom of movable chamber 14 offers Shifting chute 15 is interconnected between groove 13, shifting chute 15 and movable chamber 14, and the inner wall of groove 13 is fixedly installed with movable rotation-shaft 16, the outer surface pivot bush unit of movable rotation-shaft 16 has gag lever post 17, and the side of gag lever post 17 is fixedly installed with positioning rotating shaft 18, living The internal activity of dynamic chamber 14 is equipped with fixed spring 19, sliding block 20 is acted on by fixed spring 19, so that the position of sliding block 20 Convenient for resetting, one end of fixed spring 19 is connected with sliding block 20, and one end of sliding block 20 passes through fixed spring 19 and movable chamber The side of 14 inner wall transmission connection, sliding block 20, which extends to the inside of groove 13 by shifting chute 15 and is fixedly installed with limit, to be turned Axis 21, the outer surface movable sleeve of limit rotary shaft 21 are connected to support rod 22, one end of support rod 22 and the outer surface of positioning rotating shaft 18 Pivot bush unit, gag lever post 17 are contacted with limit plate 9, are stuck in drive shaft 3 on limit plate 9, recycle sliding block 20 in movable chamber It is moved in 14, it is mobile to make limit rotary shaft 21, to make gag lever post 17 convenient for shrinking, have the function that lead to convenient for fixed and disassembly The cooperation of the above structure is crossed, so that the device has the advantages that wearability for increasing housing 1 and fixed dust cover 4, is solved The alley friction of cage 2 and pot shell, keeps the alley of pot shell severely deformed, and in addition pot shell and 2 last time of cage are added with dust cover 4, but insecure, the roving problem that dust cover 4 is fixed.

When work, by locating rod 8 by limit plate 9, gag lever post 17 is shunk, and limit rotary shaft 21 is mobile, makes sliding block 20 in work It is moved in dynamic chamber 14, fixed spring 19 is forced to be compressed, after locating rod 8 passes through limit plate 9, gag lever post 17 is popped up rapidly, and will Locating rod 8 is fixed on limit plate 9, then that fixing sleeve 5 and lock sleeve 6 is fixed, moves cage 2 on friction plate 11, and It is depressurized, is achieved the effect that wear-resisting by movable spring 12.

In conclusion the constant velocity driving shaft with high abrasion housing alley, is contacted by friction plate 11 with cage 2, It avoids contacting with housing 1, prevents housing 1 from contacting with cage 2, make 1 modification of housing, damage housing 1, And cooperate fixed rotating shaft 10, making the inner wall of friction plate 11 and housing 1, there are spacing, recycle movable spring 12 to friction plate 11 are supported, and when making friction plate 11 and cage 2, buffering are reduced, to improve the wearability of housing 1；Pass through fixing sleeve 5 With lock sleeve 6, dust cover 4 is fixed, is fixed on dust cover 4 on housing 1 and drive shaft 3, cooperates gag lever post 17 contact with limit plate 9, are stuck in drive shaft 3 on limit plate 9, recycle sliding block 20 to move in movable chamber 14, make to limit Shaft 21 is mobile, to make gag lever post 17 convenient for shrinking, has the function that convenient for fixed and disassembly；Solve cage 2 and pot shell Alley friction, keep the alley of pot shell severely deformed, in addition pot shell and 2 last time of cage are added with dust cover 4, but dust cover 4 Fixed is insecure, roving problem.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of constant velocity driving shaft with high abrasion housing alley, including housing（1）, it is characterised in that：Described three Column pot shell（1）Internal activity be socketed with cage（2）, the cage（2）Inside be fixedly attached drive shaft（3）, described three Column pot shell（1）One end movable sleeve be connected to dust cover（4）, the dust cover（4）One end and drive shaft（3）Outer surface it is living Dynamic socket, the dust cover（4）One end movable sleeve be connected to fixing sleeve（5）, the dust cover（4）Other end movable sleeve be connected to Lock sleeve（6）, the dust cover（4）Positioned at lock sleeve（6）One end be fixedly installed with movable sleeve（7）, the movable sleeve（7）'s One end is fixedly installed with locating rod（8）, the drive shaft（3）Outer surface be fixedly installed with limit plate（9）, the locating rod （8）Limit plate is run through in one end（9）And extend to limit plate（9）Outside, and locating rod（8）Outer surface and limit plate（9）'s Inside movable set, the housing（1）Inner wall is fixedly installed with fixed rotating shaft（10）, the fixed rotating shaft（10）Appearance Face movable sleeve is connected to friction plate（11）, the friction plate（11）Positioned at fixed rotating shaft（10）Side be fixedly installed with movable spring （12）, the movable spring（12）One end and housing（1）Inner wall be fixedly mounted, and friction plate（11）Turn far from fixed Axis（10）Side and cage（2）Outer surface contact with each other.

2. a kind of constant velocity driving shaft with high abrasion housing alley according to claim 1, it is characterised in that：It is described Locating rod（8）Outer surface open up it is fluted（13）, the groove（13）Quantity be two, two grooves（13）Uniformly It is distributed in locating rod（8）Outer surface.

3. a kind of constant velocity driving shaft with high abrasion housing alley according to claim 1, it is characterised in that：It is described Locating rod（8）Be internally located at groove（13）Lower section offer movable chamber（14）, the movable chamber（14）Bottom offer Shifting chute（15）, the groove（13）, shifting chute（15）And movable chamber（14）Between be interconnected.

4. a kind of constant velocity driving shaft with high abrasion housing alley according to claim 2, it is characterised in that：It is described Groove（13）Inner wall be fixedly installed with movable rotation-shaft（16）, the movable rotation-shaft（16）Outer surface pivot bush unit have gag lever post （17）, the gag lever post（17）Side be fixedly installed with positioning rotating shaft（18）.

5. a kind of constant velocity driving shaft with high abrasion housing alley according to claim 3, it is characterised in that：It is described Movable chamber（14）Internal activity fixed spring is installed（19）, the fixed spring（19）One end be connected with sliding block （20）, the sliding block（20）One end pass through fixed spring（19）With movable chamber（14）Inner wall transmission connection.

6. a kind of constant velocity driving shaft with high abrasion housing alley according to claim 5, it is characterised in that：It is described Sliding block（20）Side pass through shifting chute（15）Extend to groove（13）Inside and be fixedly installed with limit rotary shaft（21）, described Limit rotary shaft（21）Outer surface movable sleeve be connected to support rod（22）, the support rod（22）One end and positioning rotating shaft（18）'s Outer surface pivot bush unit.