CN206206534U - Electromagnetic push self-lock differential back axle - Google Patents
Electromagnetic push self-lock differential back axle Download PDFInfo
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- CN206206534U CN206206534U CN201621301619.7U CN201621301619U CN206206534U CN 206206534 U CN206206534 U CN 206206534U CN 201621301619 U CN201621301619 U CN 201621301619U CN 206206534 U CN206206534 U CN 206206534U
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- gear
- axle
- end tooth
- back axle
- clutch discs
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Abstract
The utility model discloses a kind of electromagnetic push self-lock differential back axle, belong to field of mechanical technique, it includes back axle casing, back axle case lid and input gear axle, differential casing, left half axle gear, right axle shaft gear and planetary gear and travelling gear are provided with rear axle box body, travelling gear is fixed with differential casing, it is connected with input gear axle, travelling gear inner circumferential is fixed with the end tooth clutch discs being coaxially disposed with left and right half gear, and the end tooth one of end tooth clutch discs is equipped with the end tooth two-phase of left half axle gear;The thrust clutch cover for promoting end tooth clutch discs to be axially moved is provided with back axle case lid, and for driving the electromagnetic push device of the thrust clutch cover, return unit is additionally provided between end tooth clutch discs and left half axle gear;Plane roller component is provided between thrust clutch cover and end tooth clutch discs.The utility model self-locking effect is good, and can reduce the abrasion of thrust clutch cover and end tooth clutch discs, the service life of prolonged mechanical.
Description
Technical field
The utility model is related to field of mechanical technique, specifically a kind of vehicle rear axle, especially a kind of electromagnetic push self-locking
Differential speed rear axle.
Background technology
Differential mechanism be it is a kind of with power transmission and power distribution function device, its effect be in the process of moving, when
When vehicle runs into turning, the rotating speed of inside and outside wheel can be automatically adjusted, to ensure that foreign steamer will not be dragged on road surface, it is to avoid tire
Abrasion aggravation, so as to ensure the safety coefficient of driving vehicle, improve the service life of decelerator.Common differential mechanism is running into
When comparing severe road conditions, when a certain bridge of such as beach buggy or farmer's car runs into miriness wet and slippery road surface, due to adhesive force not enough,
Skidding will be produced.
To prevent the generation of skidding, Chinese patent disclosed a kind of all-terrain vehicle electronic differential on April 8th, 2015
Back axle, Publication No. CN104500686A, it includes back axle casing, back axle case lid and input gear axle, is provided with rear axle box body
Differential housing, is provided with left half axle gear, end tooth axle shaft gear and planetary gear in differential housing, fastening is provided with rear axle box body
Big gear with curved teeth on the right side of differential housing, big gear with curved teeth is connected with input gear axle.Big gear with curved teeth inner circumferential be fixed with
The movable end-toothed disc that end tooth axle shaft gear is coaxially disposed, the end tooth one of movable end-toothed disc matches with the end tooth two of end tooth axle shaft gear
Close and set, the thrust structure for promoting movable end-toothed disc axially to be moved to end tooth axle shaft gear, end tooth are provided with back axle case lid
Return unit is provided between axle shaft gear and movable end-toothed disc.Thrust structure includes being connected in framework in back axle case lid, located at frame
Thrust electromagnetic coil and movable thrust sleeve in frame, after thrust electromagnetic coil is powered, under the influence of a magnetic field, movable thrust sleeve is to the left
Motion, flexible promotion activity end-toothed disc is moved to end tooth axle shaft gear direction, end tooth one is engaged with end tooth two, realizes locked shape
State, it is to avoid skid.
Because movable end-toothed disc is circumferentially fixed with big gear with curved teeth, always as big gear with curved teeth is rotated, and thrust structure is fixed
In back axle case lid, movable thrust sleeve is circumferentially fixed not to be rotated, therefore, in the presence of back-moving spring, movable thrust sleeve is always
The one side of the tooth slip relative with movable end-toothed disc for no reason of movable end-toothed disc is resisted against, lasting sliding friction easily causes movable end
The abrasion of fluted disc and movable thrust sleeve, shortens the service life of machinery.
Utility model content
Technical problem to be solved in the utility model is to overcome above mentioned problem, and provide a kind of self-locking effect it is good, mill
Damage less, the electromagnetic push self-lock differential back axle of long service life.
The technical solution of the utility model is:
A kind of electromagnetic push self-lock differential back axle, including back axle casing, the back axle case lid that is fastened on the left of back axle casing and
The input gear axle in rear axle box body is arranged in, differential casing and travelling gear are provided with described rear axle box body, it is described
Left half axle gear, right axle shaft gear are provided with differential carrier body and respectively with left and right half gear while the planet tooth for engaging
Wheel, described travelling gear is fastened on the left side of differential casing, is connected with input gear axle, it is characterised in that:It is described
Travelling gear inner circumferential be fixed with the end tooth clutch discs being coaxially disposed with left and right half gear, the right side of end tooth clutch discs
Be provided with end tooth one, the left side of left half axle gear is provided with the end tooth two being engaged with end tooth one, when end tooth clutch discs to the left
When axle shaft gear is axially mobile, end tooth one is gradually engaged with end tooth two, left half axle gear is combined with travelling gear, realizes lock
Only;It is provided with described back axle case lid for promoting the end tooth clutch discs axially mobile thrust clutch cover of axle shaft gear to the left, with
And for driving the electromagnetic push device of the thrust clutch cover, return unit is additionally provided between end tooth clutch discs and left half axle gear;
Plane roller component is provided between the thrust clutch cover and end tooth clutch discs.
End tooth clutch discs are circumferentially fixed with travelling gear, and always as travelling gear is rotated, and electromagnetic push device is fixed on
In back axle case lid, thrust clutch cover is circumferentially fixed not to be rotated, therefore, in the presence of back-moving spring, thrust clutch cover one is directed reach
Lean against the slip relative with end tooth clutch discs of one side of the end tooth clutch discs without end tooth.The utility model thrust clutch cover and end tooth from
Close and plane roller component is set between disk, sliding friction between the two is changed into rolling friction, reduce thrust clutch cover and
The abrasion of end tooth clutch discs, the service life of prolonged mechanical.
In above-mentioned electromagnetic push self-lock differential back axle, the plane roller component includes multiple rollers and a holding
Frame, offers the notch being radially distributed on described retainer, roller is placed in each notch.
In above-mentioned electromagnetic push self-lock differential back axle, the electromagnetic push device includes the frame being fixed in back axle case lid
Frame, the magnet coil in framework, and the electromagnetic core that can be moved right vertically after magnet coil is powered;It is described to push away
Power clutch cover is coaxially disposed with electromagnetic core, and is set in the inner ring of framework, may be axially movable, the periphery of thrust clutch cover
Face is provided with a circle flange;The right-hand member of the electromagnetic core is just set to the flange of thrust clutch cover, and left end is resisted against on framework.
In above-mentioned electromagnetic push self-lock differential back axle, the inner peripheral surface of the travelling gear is provided with internal tooth, end tooth clutch
The outer peripheral face of disk is provided with the external tooth being meshed with the internal tooth.
In above-mentioned electromagnetic push self-lock differential back axle, the return unit is spring.
The operation principle of this electromagnetic push self-lock differential back axle is as follows:
When smooth-riding surface travels, motor drives input gear axle to rotate, and input gear axle band nutating gear is rotated, and is passed
Moving gear drives differential casing and end tooth clutch discs to rotate, and left and right half pinion rotation is driven in the presence of planetary gear,
So as to realize that two speed of semiaxis are exported and differential.When vehicle runs into severe road conditions, manually or automatically open electromagnetism and push away
Power device, makes magnet coil be powered and produces magnetic field, and under the influence of a magnetic field, electromagnetic core is moved right, and is ordered about thrust clutch cover and is scratched
Property promote end tooth clutch discs move right, the end tooth one of end tooth clutch discs is progressively engaged with the end tooth two of left half axle gear, biography
Under the collective effect that the internal tooth of moving gear is engaged with the external tooth of end tooth clutch discs, left half axle gear is combined with travelling gear, is realized
Locking, it is to avoid skid.After returning to smooth-riding surface, manually or automatically close electromagnetic push device, electromagnetic core to left movement, end tooth from
Disk is closed under the action of the spring away from left half axle gear, end tooth one is gradually separated with end tooth two, release locking.
The beneficial effects of the utility model are:
The 1st, plane roller component is set between thrust clutch cover and end tooth clutch discs, sliding friction between the two is turned
It is changed into rolling friction, reduces the abrasion of thrust clutch cover and end tooth clutch discs, the service life of prolonged mechanical.
2nd, compact conformation, miniaturization, locking speed is sensitive, and locked power is big, can effectively improve the driveability of vehicle, is applicable
In all-terrain vehicle, duck, offroad vehicle, load wagon, engineering truck, agricultural vehicle and other refitted cars, can be used for manual gear
With automatic catch vehicle, the right side of car body can be both arranged on, can also be arranged on the left side of car body, it is applied widely.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the detonation configuration figure of the utility model embodiment.
Fig. 3 is the structural representation of plane roller component.
Fig. 4 is the structural representation of electromagnetic push device.
Specific embodiment
The utility model is further described in conjunction with drawings and Examples, but the utility model is not limited to these
Embodiment.
In description of the present utility model, it is to be understood that orientation or position indicated by the term such as "left", "right" are closed
System is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model, rather than instruction or hint
Signified device or original paper must have specific orientation, therefore it is not intended that to limitation of the present utility model.
As depicted in figs. 1 and 2, the electromagnetic push self-lock differential back axle of the present embodiment, including back axle casing 10, be fastened on after
The back axle case lid 11 in the left side of bridge casing 10 and the input gear axle 12 being arranged in back axle casing 10.Difference is provided with back axle casing 10
Fast device housing 20 and travelling gear 30, be provided with differential casing 20 left half axle gear 21, right axle shaft gear 22 and respectively with
The planetary gear 23 that left and right half gear is engaged simultaneously, travelling gear 30 is fastened on the left side of differential casing 20, with input tooth
Wheel shaft 12 is connected.
The inner circumferential of travelling gear 30 is fixed with the end tooth clutch discs 40 being coaxially disposed with left and right half gear, end tooth clutch
The right side of disk 40 is provided with end tooth 1, and the left side of left half axle gear 21 is provided with the end tooth two being engaged with end tooth 1
211, when end tooth clutch discs 40 are moved axially to left half axle gear 21, end tooth 1 is gradually engaged with end tooth 2 211, makes left half
Shaft gear 21 is combined with travelling gear 30, realizes locking.It is connected to ensure that end tooth clutch discs 40 are circumferential all the time with gear 30 of passing on Gong,
Internal tooth is provided with the inner peripheral surface of travelling gear 30, the outer peripheral face of end tooth clutch discs 40 is provided with the external tooth being meshed with the internal tooth.
Be additionally provided with back axle case lid 11 for the thrust for promoting end tooth clutch discs 40 to move axially to left half axle gear 21 from
Trap 50, and for driving the electromagnetic push device 60 of the thrust clutch cover 50, end tooth clutch discs 40 and left half axle gear 21
Between be additionally provided with return unit 70, the return unit in the present embodiment be wavy spring.
Worn and torn in order to avoid producing lasting sliding friction between thrust clutch cover 50 and end tooth clutch discs 40, thrust from
Plane roller component 80 is provided between trap 50 and end tooth clutch discs 40.As shown in figure 3, the plane roller component 80 includes multiple
Roller 81 and a retainer 82, offer the notch being radially distributed on retainer 82, roller 81 is placed in each notch.
As shown in Figure 1 and Figure 4, above-mentioned electromagnetic push device 60 includes the framework 61 being fixed in back axle case lid 11, is located at
Magnet coil 62 in framework 61, and the electromagnetic core 63 that can be moved right vertically after magnet coil 62 is powered.Thrust
Clutch cover 50 is coaxially disposed with electromagnetic core 63, and is set in the inner ring of framework 61, may be axially movable, thrust clutch cover 50
Outer peripheral face be provided with a circle flange 51.The right-hand member of electromagnetic core 63 is just set to the flange 51 of thrust clutch cover 50, left end against
On framework 61.Specifically, framework 61 includes the ring-shaped shell 611 with an annular groove, sealing on above-mentioned annular groove
Electromagnetism iron covering 612, and be co-axially located in the inner ring of ring-shaped shell 611 sliding support set 613, magnet coil 62 is arranged on
In annular groove, electromagnetic core 63 is annular in shape, is set on the outer peripheral face of sliding support set 613, positioned at ring-shaped shell 611 with it is sliding
Between dynamic support set 613, thrust clutch cover 50 is set in the inner ring of sliding support set 613.
It is understood that for the person of ordinary skill of the art, can be according to technology structure of the present utility model
Think of makes other various corresponding changes and deformation, and all these changes and deformation should all belong to the utility model claim
Protection domain.
Claims (5)
1. a kind of electromagnetic push self-lock differential back axle, including back axle casing, the back axle case lid being fastened on the left of back axle casing and wear
Input gear axle in rear axle box body, is provided with differential casing and travelling gear, described difference in described rear axle box body
Left half axle gear, right axle shaft gear are provided with fast device housing and respectively with left and right half gear while the planetary gear for engaging,
Described travelling gear is fastened on the left side of differential casing, is connected with input gear axle, it is characterised in that:
Described travelling gear inner circumferential is fixed with the end tooth clutch discs being coaxially disposed with left and right half gear, end tooth clutch discs
Right side be provided with end tooth one, the left side of left half axle gear is provided with the end tooth two being engaged with end tooth one, when end tooth from
When closing disk axle shaft gear axial direction movement to the left, end tooth one is gradually engaged with end tooth two, left half axle gear is combined with travelling gear,
Realize locking;
It is provided with described back axle case lid for promoting the end tooth clutch discs axially mobile thrust clutch cover of axle shaft gear to the left, with
And for driving the electromagnetic push device of the thrust clutch cover, return unit is additionally provided between end tooth clutch discs and left half axle gear;
Plane roller component is provided between the thrust clutch cover and end tooth clutch discs.
2. electromagnetic push self-lock differential back axle according to claim 1, it is characterised in that:The plane roller component includes
Multiple rollers and a retainer, offer the notch being radially distributed on described retainer, roller is placed in each notch
It is interior.
3. electromagnetic push self-lock differential back axle according to claim 1 and 2, it is characterised in that:The electromagnetic push device bag
Include framework, the magnet coil in framework being fixed in back axle case lid, and when after magnet coil energization can vertically to
The electromagnetic core of right motion;The thrust clutch cover is coaxially disposed with electromagnetic core, and is set in the inner ring of framework, can be along axle
To motion, the outer peripheral face of thrust clutch cover is provided with a circle flange;The right-hand member of the electromagnetic core is just to the flange of thrust clutch cover
Set, left end is resisted against on framework.
4. electromagnetic push self-lock differential back axle according to claim 1 and 2, it is characterised in that:The travelling gear it is interior
Side face is provided with internal tooth, and the outer peripheral face of end tooth clutch discs is provided with the external tooth being meshed with the internal tooth.
5. electromagnetic push self-lock differential back axle according to claim 1 and 2, it is characterised in that:The return unit is spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621301619.7U CN206206534U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic push self-lock differential back axle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621301619.7U CN206206534U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic push self-lock differential back axle |
Publications (1)
Publication Number | Publication Date |
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CN206206534U true CN206206534U (en) | 2017-05-31 |
Family
ID=58751993
Family Applications (1)
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CN201621301619.7U Active CN206206534U (en) | 2016-11-30 | 2016-11-30 | Electromagnetic push self-lock differential back axle |
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CN (1) | CN206206534U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107120389A (en) * | 2017-06-16 | 2017-09-01 | 江苏安捷利机电科技有限公司 | A kind of special rear axle of electric automobile gear train |
-
2016
- 2016-11-30 CN CN201621301619.7U patent/CN206206534U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107120389A (en) * | 2017-06-16 | 2017-09-01 | 江苏安捷利机电科技有限公司 | A kind of special rear axle of electric automobile gear train |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electromagnetism thrust auto -lock differential rear axle Effective date of registration: 20180926 Granted publication date: 20170531 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd Taizhou Wenling branch Pledgor: HUAXIN MACHINERY MANUFACTURING CO., LTD. Registration number: 2018330000286 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |