CN205654819U - Differential lock of manual automatically controlled locking - Google Patents
Differential lock of manual automatically controlled locking Download PDFInfo
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- CN205654819U CN205654819U CN201521141612.9U CN201521141612U CN205654819U CN 205654819 U CN205654819 U CN 205654819U CN 201521141612 U CN201521141612 U CN 201521141612U CN 205654819 U CN205654819 U CN 205654819U
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- lock
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- differential mechanism
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Abstract
The utility model belongs to a neotype differential lock of manual automatically controlled locking is refered in particular to in the auto parts field, include the differential mechanism casing that constitutes by differential mechanism epitheca and differential mechanism inferior valve fixed connection, install planetary gear axle and two differential side gear in the differential mechanism casing, the epaxial planetary gear that installs of planetary gear, the outer end of differential mechanism inferior valve is equipped with differential lock shell, differential side gear outwards extends the outband spline, the go -between that is equipped with the in -band spline is served in the extension, be equipped with the lock ring between go -between and differential side gear, the lock ring has the spline that can couple each other with the shaping of holding in opposite directions of go -between, be equipped with resetting means on the lock ring, the shaping has a plurality of protruding on the lock ring, the shaping has a plurality of limit to change the hole on the differential lock shell, the limit is passed to a plurality of arch changes hole and fixedly connected with magnetic sheet, the one end that differential mechanism was kept away from to the magnetic sheet is equipped with electromagnetic means, the utility model has the advantages of simple structure, safe and reliable, but active control differential lock ends.
Description
Technical field
This utility model belongs to auto parts field, refers in particular to a kind of novel hand electric-control lock differential lock only.
Background technology
When vehicle travels, left and right wheels is within the same time, and the stroke of rolling often differs, i.e. both sides car
There is speed discrepancy in wheel, especially Ackermann steer angle, both sides vehicle wheel rotational speed difference becomes apparent from, and differential mechanism is applied respectively
Planting on vehicle, purpose allows both sides vehicle wheel rotational speed inconsistent exactly.
The common open differential commonly used now, mainly by housing, planetary gear axle, planetary gear,
Axle shaft gear forms, and axle shaft gear is by semiaxis and drives wheel to couple, when good road surface travels,
Its performance is entirely capable of meeting vehicle driving requirements, but when vehicle travels on bad road surface, especially at ice
On snow, muddy, wet and slippery, gravel, rugged severe road surface, the adhesive force of both sides wheel there will be very
Big difference, the side that often adhesive force is little there will be skidding, idle running, causes vehicle not travel, even go out
Existing whipping is out of control.The part vehicle of some auto vendors, has chosen to install automatic-locking differential at present, although
Solve vehicle single wheel unsettled, thoroughly lose under the limiting case of adhesive force, the problem that vehicle travels,
But can not expect that road conditions carry out manual locking in the case of bad, thus at vehicle, the sky that skids occur
Turn and could realize locking, and often the most surprisingly have occurred and that this time, and when getting into a difficult position, have
Under a little extreme cases, owing to resistance is excessive, again without the inertia advanced, timely differential mechanism is locked out, the most very
Difficulty is above water.
Summary of the invention
The purpose of this utility model is to solve deficiency of the prior art, it is provided that a kind of simple in construction, peace
Complete reliable, can the hand electric-control lock differential lock only of active controlled differential mechanism locking.
The purpose of this utility model is achieved in that
A kind of hand electric-control lock differential lock only, connects structure including by differential mechanism upper casing and differential mechanism lower casing are fixing
The differential casing become, has an installing space in differential carrier body, is provided with row in installing space
Star gear shaft and two axle shaft gears, described planetary gear axle is provided with planetary gear, two axle shaft gears
All engaging with described planetary gear, the outer end of described differential mechanism lower casing is provided with differential lock shell, leans in differential mechanism
The axle shaft gear of nearly differential lock shell side extends outward the extended end of band external splines or external gear, extended end
Entering in differential lock shell through differential mechanism lower casing, described extended end is provided with the company of band internal spline or internal gear
T-Ring, is provided with lock ring between described connection ring and axle shaft gear, lock ring becomes respectively with the end in opposite directions being connected ring
Type has the spline that can be coupled to each other or mutually engageable tooth, and described lock ring is provided with and makes lock ring tend to remote
From the resetting means of connection ring, described lock ring forms several projections, differential away from one end of differential mechanism
Forming several limits on lock shell and turn hole, several protruding limits that pass of lock ring turn hole and are fixedly connected with
Magnetic sheet, described magnetic sheet is provided with calutron away from one end of differential mechanism, there is gap between calutron and magnetic sheet,
Magnetic sheet is opened and adsorbed to calutron, and magnetic sheet drives lock ring to move, make lock ring be connected ring and be connected or
Engagement.
Described planetary gear axle is cross planet axis.
The end in opposite directions of described differential mechanism upper casing and differential mechanism lower casing forms groove, and the groove being oppositely arranged merges
Becoming the installing hole matched with cross planet axis, cross planet axis is arranged in installing hole, and along with differential mechanism
Upper casing and differential mechanism lower casing synchronous axial system.
It is additionally provided with on described extended end to limit and connects the locating part that ring moves toward differential mechanism one end, described locating part
For being arranged on extended end the limited block near differential mechanism one end or baffle ring, described external splines is arranged on limited block
Or baffle ring is axially external, limited block or baffle ring are against on connection ring, limit limited block and move toward differential mechanism one end
Dynamic, the other end connecting ring is against on the inwall of differential mechanism shell.
It is additionally provided with on described extended end to limit and connects the locating part that ring moves toward differential mechanism one end, described locating part
For being arranged on extended end the limited block near differential mechanism one end or baffle ring, described external splines is arranged on limited block
Or baffle ring is axially external, limited block or baffle ring are against on connection ring, limit and connect ring and move toward differential mechanism one end
Dynamic, connect and between the other end of ring and the inwall of differential lock shell, be provided with pad, the other end connecting ring is against pad
On sheet, pad is against on differential lock outer casing inner wall.
Described limited block is one-body molded with external splines.
Described resetting means is spring, and one end of spring is against on lock ring, and the other end of spring is against differential
On lock shell, spring makes lock ring tend to away from connecting ring.
Described differential mechanism lower casing and differential lock shell are double fixing by bearing pin and pin.
Described axle shaft gear is positioned by axle shaft gear pad.
Described planetary gear is positioned by planet gear pad.
This utility model highlights and useful having the technical effect that compared to existing technology
1, this utility model by lock ring, connect ring and fix the magnetic sheet being connected and calutron with lock ring
Design, such that it is able to actively control the switch of calutron to control the locking of differential mechanism and to release locking,
When entering desert, ice and snow, the severe road surface such as muddy, wet and slippery, feel the feelings being likely to occur skiddings, dallying
Locking differential just can be actively removed under condition, the inertia advanced due to automobile, thus avoid at the very start
In getting into a difficult position.
2, this utility model passes through cross planet shaft design so that have four planetary gears in running, thus
Make original work more stable, safe and reliable.
3, this utility model is to be arranged on extended end the limited block near differential mechanism one end by locating part
Design, thus define the movement connecting ring so that structure is more stable, and limited block is with external splines integrally
Molding, saves installing space, reduces cost.
4, this utility model passes through bearing pin and the dual fixing design of pin so that differential lock and the company of differential mechanism
Connect more safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of hand electric-control lock differential lock only.
Fig. 2 is the sectional view of hand electric-control lock differential lock only.
Fig. 3 is the structural representation of axle shaft gear extended end.
Fig. 4 is the structural representation connecting ring.
Fig. 5 is the structural representation of lock ring.
Fig. 6 is the structural representation of differential lock shell.
Fig. 7 is the structural representation of cross planet axis.
1-differential lock shell；2-axle shaft gear；3-extended end；External splines on 31-extended end；4-connects ring；
41-connects the spline that ring is held in opposite directions；42-connects the internal spline on ring；5-lock ring；51-lock ring is in opposite directions
Spline on end；6-limited block；7-spring；8-is protruding；9-limit turns hole；10-magnetic sheet；11-calutron；
12-differential mechanism upper casing；13-differential mechanism lower casing；14-cross planet axis；15-planetary gear.
Detailed description of the invention
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings:
A kind of hand electric-control lock differential lock only, fixes including by differential mechanism upper casing 12 and differential mechanism lower casing 13
The differential casing connected and composed, has an installing space in differential carrier body, pacifies in installing space
Equipped with planetary gear axle and two axle shaft gears 2, described planetary gear axle is provided with planetary gear 15, two
Individual axle shaft gear 2 all engages with described planetary gear 15, and the outer end of described differential mechanism lower casing 13 is provided with differential
Lock shell 1, in differential mechanism, the axle shaft gear 2 near differential lock shell side extends outward band external splines 31
Or the extended end 3 of external gear, extended end 3 enters in differential lock shell 1 through differential mechanism lower casing 13, described
Extended end 3 is provided with the connection ring 4 of band internal spline 42 or internal gear, it is preferred that this utility model uses flower
The mode of key connecting, is provided with lock ring 5 between described connection ring 4 and axle shaft gear 2, lock ring 5 be connected ring
4 hold in opposite directions forms spline 51, the 41 or mutually engageable tooth that can be coupled to each other respectively, it is preferred that
This utility model uses the spline that can be coupled to each other, described lock ring 5 be provided with make lock ring 5 tend to away from
Connecting the resetting means of ring 4, described lock ring 5 forms several projections 8 away from one end of differential mechanism, poor
Forming several limits on speed lock shell 1 and turn hole 9, several projections 8 of lock ring 5 turn hole 9 also through limit
Being fixedly connected with magnetic sheet 10, limit turns hole 9 and limits lock ring 5 and rotate relative to differential lock shell 1, described magnetic sheet
10 are provided with calutron 11 away from one end of differential mechanism, there is gap between calutron 11 and magnetic sheet 10, electricity
Magnetic sheet 10 is opened and adsorbed to magnetic device 11, and magnetic sheet 10 drives lock ring 5 to move, and makes lock ring 5 and is connected
Ring 4 is connected or engages；Preferably, in the present embodiment: lock ring 5 and the free gap etc. being connected ring 4
Gap in magnetic sheet 10 with calutron 11.
Described planetary gear axle is cross planet axis 14.
The end in opposite directions of described differential mechanism upper casing 12 and differential mechanism lower casing 13 forms groove, and be oppositely arranged is recessed
Groove is merged into the installing hole matched with cross planet axis 14, and cross planet axis 14 is arranged in installing hole,
And along with differential mechanism upper casing 12 and differential mechanism lower casing 13 synchronous axial system.
It is additionally provided with on described extended end 3 to limit and connects the locating part that ring 4 moves toward differential mechanism one end, described limit
Position part is to be arranged on extended end 3 limited block 6 near differential mechanism one end or baffle ring, and described external splines 31 sets
That puts at limited block 6 or baffle ring is axially external, and limited block 6 or baffle ring are against on connection ring 4, limit spacing
Block 6 moves toward differential mechanism one end, and the other end connecting ring 4 is against on the inwall of differential mechanism shell 1.
It is additionally provided with on described extended end 3 to limit and connects the locating part that ring 4 moves toward differential mechanism one end, described limit
Position part is to be arranged on extended end 3 limited block 6 near differential mechanism one end or baffle ring, and described external splines 31 sets
That puts at limited block 6 or baffle ring is axially external, and limited block 6 or baffle ring are against on connection ring 4, limit spacing
Block 6 moves toward differential mechanism one end, connects and is provided with pad between the other end of ring 4 and the inwall of differential lock shell 1,
The other end connecting ring 4 is against on pad, and pad is against on differential lock shell 1 inwall.
Described limited block 6 is one-body molded with external splines 31.
Described resetting means is spring 7, and one end of spring 7 is against on lock ring 5, and the other end of spring 7 supports
On differential lock shell 1, spring 7 makes lock ring 5 tend to away from connecting ring 4.
Described housing and differential lock shell are double fixing by bearing pin and pin.
Described axle shaft gear 2 is positioned by axle shaft gear pad.
Described planetary gear 15 is positioned by planet gear pad.
Operation principle of the present utility model:
When driver feels that front road conditions are bad, when may skid or be absorbed in the predicament such as muddy, driver master
Dynamic calutron of opening, calutron attraction magnetic sheet is adjacent to calutron, owing to magnetic sheet and lock ring are fixing even
Connect, so lock ring is also the most mobile, again because lock ring is equal to magnetic sheet and electricity with the free gap being connected ring
The gap of magnetic device, so when magnetic sheet is adjacent to calutron, lock ring be connected the spline phase that ring is held in opposite directions
Couple, it is achieved lock ring be connected ring synchronous axial system；Engage with axle shaft gear owing to connecting ring, so connecting
Ring and axle shaft gear synchronous axial system, then owing to the projection of lock ring turns hole through the limit of differential lock shell, it is achieved
Lock ring and the fixing connection of differential lock shell synchronous axial system, differential lock shell and differential casing, finally make
Axle shaft gear and differential mechanism shell synchronous axial system, it is achieved locking.
This utility model has simple in construction, safe and reliable, can the automatically controlled locking of active controlled differential mechanism locking
Feature.
Of the present utility model ultimate principle and principal character and of the present utility model excellent have more than been shown and described
Point.Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, above-mentioned reality
Execute and principle of the present utility model is simply described, without departing from this utility model spirit described in example and description
On the premise of scope, this utility model also has various changes and modifications, and these changes and improvements both fall within
In the range of claimed this utility model.This utility model claims scope by appending claims
And equivalent defines.
Claims (10)
1. a hand electric-control lock differential lock only, connects including by differential mechanism upper casing and differential mechanism lower casing are fixing
The differential casing constituted, has an installing space in differential carrier body, is provided with in installing space
Planetary gear axle and two axle shaft gears, described planetary gear axle is provided with planetary gear, two half axle gears
Wheel all engages with described planetary gear, it is characterised in that the outer end of described differential mechanism lower casing is provided with outside differential lock
Shell, extends outward band external splines or external gear near the axle shaft gear of differential lock shell side in differential mechanism
Extended end, extended end enters in differential lock shell through differential mechanism lower casing, and described extended end is provided with flower in band
The connection ring of key or internal gear, is provided with lock ring between described connection ring and axle shaft gear, lock ring be connected ring
Hold in opposite directions and form the spline that can be coupled to each other or mutually engageable tooth respectively, described lock ring is provided with
Lock ring is made to tend to away from the resetting means connecting ring, if described lock ring forms away from one end of differential mechanism
Dry protruding, differential lock shell forms several limits and turns hole, and several protruding limits that pass of lock ring turn
Hole is also fixedly connected with magnetic sheet, and described magnetic sheet is provided with calutron away from one end of differential mechanism, calutron with
There is gap between magnetic sheet, magnetic sheet is opened and adsorbed to calutron, and magnetic sheet drives lock ring to move, and makes lock ring
It is connected with being connected ring or engages.
A kind of hand electric-control lock the most according to claim 1 differential lock only, it is characterised in that described
Planetary gear axle is cross planet axis.
A kind of hand electric-control lock the most according to claim 2 differential lock only, it is characterised in that described
The end in opposite directions of differential mechanism upper casing and differential mechanism lower casing forms groove, and the groove being oppositely arranged is merged into and cross
The installing hole that planet axis matches, cross planet axis is arranged in installing hole, and along with differential mechanism upper casing and difference
Speed device lower casing synchronous axial system.
A kind of hand electric-control lock the most according to claim 1 differential lock only, it is characterised in that described
Being additionally provided with on extended end to limit and connect the locating part that ring moves toward differential mechanism one end, described locating part is for being arranged on
Near the limited block of differential mechanism one end or baffle ring on extended end, described external splines is arranged on limited block or baffle ring
Axially external, limited block or baffle ring are against on connection ring, limit connection ring and move toward differential mechanism one end, connect
The other end of ring is against on the inwall of differential mechanism shell.
A kind of hand electric-control lock the most according to claim 1 differential lock only, it is characterised in that described
Being additionally provided with on extended end to limit and connect the locating part that ring moves toward differential mechanism one end, described locating part is for being arranged on
Near the limited block of differential mechanism one end or baffle ring on extended end, described external splines is arranged on limited block or baffle ring
Axially external, limited block or baffle ring are against on connection ring, limit limited block and move toward differential mechanism one end, connect
Being provided with pad between the other end of ring and the inwall of differential lock shell, the other end connecting ring is against on pad, pad
Sheet is against on differential lock outer casing inner wall.
6. the differential lock stopped according to a kind of hand electric-control lock described in claim 4 or 5, it is characterised in that
Described limited block is one-body molded with external splines.
A kind of hand electric-control lock the most according to claim 1 differential lock only, it is characterised in that described
Resetting means is spring, and one end of spring is against on lock ring, and the other end of spring is against on differential lock shell,
Spring makes lock ring tend to away from connecting ring.
A kind of hand electric-control lock the most according to claim 1 differential lock only, it is characterised in that described
Differential mechanism lower casing and differential lock shell are double fixing by bearing pin and pin.
A kind of hand electric-control lock the most according to claim 1 differential lock only, it is characterised in that described
Axle shaft gear is positioned by axle shaft gear pad.
A kind of hand electric-control lock the most according to claim 1 differential lock only, it is characterised in that institute
State planetary gear to be positioned by planet gear pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141612.9U CN205654819U (en) | 2015-12-31 | 2015-12-31 | Differential lock of manual automatically controlled locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521141612.9U CN205654819U (en) | 2015-12-31 | 2015-12-31 | Differential lock of manual automatically controlled locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654819U true CN205654819U (en) | 2016-10-19 |
Family
ID=57356563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521141612.9U Active CN205654819U (en) | 2015-12-31 | 2015-12-31 | Differential lock of manual automatically controlled locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205654819U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345566A (en) * | 2017-08-22 | 2017-11-14 | 卢华清 | Slidingtype differential locking-device |
| CN108571571A (en) * | 2018-04-19 | 2018-09-25 | 河南科技大学 | A kind of electric-controlled mechanical differential lock |
| CN112703335A (en) * | 2019-05-29 | 2021-04-23 | 郭放 | Differential locking mechanism |
| CN112918189A (en) * | 2021-04-02 | 2021-06-08 | 山东蓬翔汽车有限公司 | Coaxial electric drive axle with differential lock |
-
2015
- 2015-12-31 CN CN201521141612.9U patent/CN205654819U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345566A (en) * | 2017-08-22 | 2017-11-14 | 卢华清 | Slidingtype differential locking-device |
| CN108571571A (en) * | 2018-04-19 | 2018-09-25 | 河南科技大学 | A kind of electric-controlled mechanical differential lock |
| CN112703335A (en) * | 2019-05-29 | 2021-04-23 | 郭放 | Differential locking mechanism |
| CN112918189A (en) * | 2021-04-02 | 2021-06-08 | 山东蓬翔汽车有限公司 | Coaxial electric drive axle with differential lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |