CN106763638A - A kind of limited slip differential - Google Patents
A kind of limited slip differential Download PDFInfo
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- CN106763638A CN106763638A CN201710006768.3A CN201710006768A CN106763638A CN 106763638 A CN106763638 A CN 106763638A CN 201710006768 A CN201710006768 A CN 201710006768A CN 106763638 A CN106763638 A CN 106763638A
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- driven torus
- ring
- active ring
- torus
- limited slip
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/12—Differential gearings without gears having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of limited slip differential, belong to auto parts machinery field.A kind of limited slip differential of the invention, two groups of Formation of Axle Shaft Spline hubs for external left and right wheelses semiaxis are installed in the middle part of shell body, the medial end of two groups of Formation of Axle Shaft Spline hubs is provided with center ring by snap ring, the outside of center ring is socketed on the inside of active ring, engage respectively and left and right driven torus is installed in the both sides of active ring, left and right driven torus is connected with the Formation of Axle Shaft Spline hub engagement of respective side respectively, secondary spring is equipped with the lateral wall of left and right driven torus, between active ring and left driven torus, it is provided with to be intermeshed between active ring and right driven torus and is driven and makes when left driven torus and right driven torus are in the presence of certain speed discrepancy the reciprocal latch structure that the driven torus changed one's position soon is separated with active ring.Differential mechanism of the invention, simple structure, ingenious, the easy to use, reliable operation of design, when hanging slippery road surface is travelled, solve wheel-slip idle running problem, hence it is evident that improve the handling capacity of automobile well.
Description
Technical field
The present invention relates to a kind of automobile differential, more specifically to a kind of limited slip differential.
Background technology
Differential mechanism is mainly used on car transmissions, and open differential is by planetary gear, planetary wheel carrier (housing), half
The parts such as shaft gear are constituted, and the power of engine enters differential mechanism through power transmission shaft, directly drives planetary wheel carrier, then by planetary wheel carrier
Left and right semiaxis is driven, left and right wheelses are driven respectively, when automobile is kept straight on, left and right wheelses and planetary wheel carrier three's rotating speed are equal, keep
Poised state, during automobile turning, balance is broken, and outside wheel speed increases, and inner side wheel speed is reduced, and realizes speed difference, is done
To adjust automatically.But rugged, heavy road condition is run into, driving moment occurs skidding and even dallies completely, and differential mechanism can entirely
Portion's driving force is wasted onto the wheel for skidding, and driving power is acted on effective wheel, and now differential mechanism is just into car
The obstacle extricated oneself from a predicament.
Just because of the above-mentioned drawback that differential mechanism is present, occurs in that the differential lock opposite with differential mechanism effect, common differential
It is Manual mechanical differential lock (castellated) to lock, and the technology of this differential lock is simple, low production cost, but is still to be so far
Only the most reliable, the maximally effective drive system equipment for improving vehicle cross-country ability.It can realize that the power of two semiaxis is complete
Fully mechanical is combined, very firmly.But differential lock is used only under severe road conditions or limiting condition, is used in normally travel
Serious infringement can be caused to parts such as the tires of automobile.
Power can be distributed to opposite side wheel by existing castellated limited slip differential when single wheel skids, as in
State patent No. ZL200620158979.6, authorized announcement date is on November 21st, 2007, and invention and created name is：It is a kind of improved
Toothed differential gear box, this application case is related to a kind of improved toothed differential gear box, mainly by active ring, outer throw-out collar, center ring, disappear
Sound ring, Formation of Axle Shaft Spline set, spring reset component composition, it is carried out to active ring, outer throw-out collar, center ring, noise elimination ring engagement system
Improve, active ring, outer throw-out collar, center ring, noise elimination ring use end-tooth engagement system, outer throw-out collar power transmission tooth and to separate tooth contour
And tooth form is identical, noise elimination ring end face is only needed to process four boss and matched with center ring, without being machined to end face stepped tooth.Should
The differential mechanism of application case can be different according to the rotating speed of the left and right wheel of vehicle drive axle, and automatic clutch realizes that moment of torsion, rotating speed are only
Vertical distribution.But, although this application case has made improvement to the engagement system of toothed differential gear box, its internal structure is engaged still
Complex, differential mechanism inner body is more, it is desirable to coordinate tight, mechanism easily weares and teares, if abrasion condition is different, part has
There may be interfering, using effect is influenceed, service life is shorter；And if using special material, price can be uprised, technique
It is required that can also raise.
The content of the invention
1. the invention technical problem to be solved
It is an object of the invention to overcome existing differential mechanism above shortcomings, there is provided a kind of limited slip differential, use
Technical scheme, simple structure designs ingenious, easy to use, when hanging, slippery road surface is travelled, solves well
Wheel-slip idle running problem, and the safety of vehicle can be first considered when necessary, automobile is become by unilateral car
Wheel drive, drives running car, hence it is evident that improve the handling capacity of automobile using the wheel not skidded；Additionally, also having work
The advantages of reliability, long service life.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of limited slip differential of the invention, including shell body, Formation of Axle Shaft Spline hub, center ring, active ring, left driven torus,
Right driven torus, spring base, left redundant spring and right redundant spring, are provided with two groups for an external left side in the middle part of described shell body
The Formation of Axle Shaft Spline hub of right wheel semiaxis, two groups of medial ends of Formation of Axle Shaft Spline hub are respectively provided with a snap ring, described center ring peace
Loaded between two snap rings, it is slidably socketed on the inside of described active ring and is connected on the outside of the outside of center ring, active ring
On shell body, the both sides of described active ring are engaged be provided with left driven torus and right driven torus respectively, described left driven torus and
Right driven torus can engage axial slip with the Formation of Axle Shaft Spline hub of respective side be connected respectively, on the lateral wall of described left driven torus
Be provided with left redundant spring, the left redundant spring-compressed the spring base being installed in left hand side half shaft splined hub and left driven torus it
Between, the lateral wall of described right driven torus is provided with right redundant spring, and the right redundant spring-compressed is being installed on right axle flower
Between spring base and right driven torus on key hub, between described active ring and left driven torus, between active ring and right driven torus
Be provided with can be intermeshed transmission and make when left driven torus and right driven torus are in the presence of certain speed discrepancy the driven torus changed one's position soon with
The reciprocal latch structure that active ring is separated.
Further, described reciprocal latch structure includes the uniform convex clip tooth being located on active ring lateral wall, is uniformly located at
Recessed latch on left driven torus and right driven torus madial wall, described convex clip tooth is the projection of spherical structure, described recessed latch
It is the groove of cylindrical structure, described convex clip tooth is meshed with recessed latch.
Further, described reciprocal latch structure includes the uniform recessed latch being located on active ring lateral wall, is uniformly located at
Convex clip tooth on left driven torus and right driven torus madial wall, described convex clip tooth is the projection of spherical structure, described recessed latch
It is the groove of cylindrical structure, described convex clip tooth is meshed with recessed latch.
Further, it is additionally provided with silencing washer in described recessed latch.
Further, described spring base is using stop packing ring.
Further, the left and right two ends of described shell body are mounted on bearing.
Further, it is coated with antirust paint on the lateral wall of described shell body.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) a kind of limited slip differential of the invention, between its active ring and left driven torus, between active ring and right driven torus
Be provided with can be intermeshed transmission and make when left driven torus and right driven torus are in the presence of certain speed discrepancy the driven torus changed one's position soon with
The reciprocal latch structure that active ring is separated, it is only necessary to which reciprocal latch structure is set on active ring and driven torus, by left and right secondary spring
Pressure makes active ring and driven torus combine closely, and because of wheel-slip or hanging and exist between left driven torus and right driven torus
The driven torus changed one's position soon is separated with active ring during excessive speed discrepancy, and do not skid or hanging side driven torus with actively
Ring engagement is even closer, has the advantages that simple structure, design ingenious, easy to use, reliable operation and long service life, outstanding
When empty or slippery road surface is travelled, wheel-slip idle running problem is solved well, and can first consider vehicle when necessary
Safety, allow automobile to become to be driven by unilateral wheel, drive running car using the wheel that does not skid, hence it is evident that improve vapour
The handling capacity of car；
(2) a kind of limited slip differential of the invention, its reciprocal latch structure includes the uniform convex clip on active ring lateral wall
Tooth, recessed latch uniformly on left driven torus with right driven torus madial wall, or, reciprocal latch structure includes uniformly being located at active ring
Recessed latch on lateral wall, convex clip tooth uniformly on left driven torus with right driven torus madial wall, convex clip tooth are spherical structure
Projection, recessed latch is the groove of cylindrical structure, and convex clip tooth is meshed with recessed latch；Compared with existing toothed differential gear box,
It is simple structure, easy to make without set intermeshing stepped tooth between center ring and driven torus, and spherical structure
Convex clip tooth weares and teares small with feature side-wall, and without interference is rotated between part, fault rate is low, long service life；
(3) a kind of limited slip differential of the invention, silencing washer is additionally provided with its recessed latch, effectively prevent power transmission
Pulsation, noise and part abrasion.
Brief description of the drawings
Fig. 1 is a kind of cross section structure diagram of limited slip differential of the invention；
Fig. 2 is the structural representation of the convex clip tooth in the present invention；
Fig. 3 is the structural representation of the recessed latch in the present invention.
Label declaration in schematic diagram：
1st, shell body；2nd, Formation of Axle Shaft Spline hub；3rd, snap ring；4th, center ring；5th, active ring；6th, left driven torus；7th, right driven torus；
8th, spring base；9th, left redundant spring；10th, right redundant spring；11st, convex clip tooth；12nd, recessed latch；13rd, bearing；14th, silencing washer；
15th, center ring pilot hole.
Specific embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to shown in Fig. 1, a kind of limited slip differential of the present embodiment, including shell body 1, Formation of Axle Shaft Spline hub 2, center ring 4,
Active ring 5, left driven torus 6, right driven torus 7, spring base 8, left redundant spring 9 and right redundant spring 10, shell body 1 use two valves
Formula structure, and be connected by screw bolts and be structure as a whole, also there is the driver being connected with engine output shaft on shell body 1
Structure, the middle part of shell body 1 is provided with two groups of Formation of Axle Shaft Spline hubs 2 for external left and right wheelses semiaxis, left and right wheelses semiaxis difference
Spline connection is used with corresponding Formation of Axle Shaft Spline hub 2, easy for installation, driving torque is big；Two groups of medial ends of Formation of Axle Shaft Spline hub 2
One snap ring 3 is respectively installed, center ring 4 is installed between two snap rings 3, center ring 4 is limited between two snap rings 3 and cannot
Axial float, the inner side of active ring 5 is slidably socketed in the outside of center ring 4, and active ring 5 can be relatively rotated with center ring 4, main
The outside of rotating ring 5 is connected on shell body 1, similarly to the prior art, the outside of active ring 5 can 4 cylinders of vertical distribution, in ten
Shape structure, for connected with outer casing body 1；Engage respectively and left driven torus 6 and right driven torus 7, Zuo Cong are installed in the both sides of active ring 5
Rotating ring 6 and right driven torus 7 can engage axial slip with the Formation of Axle Shaft Spline hub 2 of respective side be connected respectively, specifically, left driven torus
6 and the endoporus of right driven torus 7 be provided with spline tooth, mesh together with the spline tooth socket in the outside of corresponding Formation of Axle Shaft Spline hub 2,
Radial direction transmitting torque, axially can Relative sliding；The lateral wall of left driven torus 6 is provided with left redundant spring 9, the left redundant spring 9
It is compressed between the spring base 8 and left driven torus 6 being installed in left hand side half shaft splined hub 2, makes left driven torus 6 tight with active ring 5
It is close to be combined together；The lateral wall of right driven torus 7 is provided with right redundant spring 10, and the right redundant spring 10 is compressed in and is installed on the right side
Between spring base 8 and right driven torus 7 on side Formation of Axle Shaft Spline hub 2, right driven torus 7 is set to be closely linked with active ring 5；It is main
Being provided between rotating ring 5 and left driven torus 6, between active ring 5 and right driven torus 7 can be intermeshed transmission and in left driven torus 6
The reciprocal latch structure for making the driven torus changed one's position soon be separated with active ring 5 during with right driven torus 7 in the presence of certain speed discrepancy, by left and right
The pressure of secondary spring makes active ring 5 and driven torus combine closely, it is only necessary to set reciprocal latch structure on active ring 5 and driven torus,
And between left driven torus 6 and right driven torus 7 because wheel-slip or it is hanging there is excessive speed discrepancy when make to change one's position soon from
Rotating ring is separated with active ring 5, and do not skid or hanging side driven torus engaged with active ring 5 it is even closer, with structure
Simply, the advantages of designing ingenious, easy to use, reliable operation and long service life, when hanging or slippery road surface is travelled, very well
Solve wheel-slip idle running problem, and can first consider the safety of vehicle when necessary, allow automobile become by
Unilateral wheel drives, and drives running car using the wheel not skidded, hence it is evident that improve the handling capacity of automobile.
With reference to shown in Fig. 2 and Fig. 3, in the present embodiment preferably, reciprocal latch structure includes uniformly being located at the lateral wall of active ring 5
On convex clip tooth 11, recessed latch 12 uniformly on left driven torus 6 and the madial wall of right driven torus 7, convex clip tooth 11 is sphere knot
The projection of structure, recessed latch 12 is the groove of cylindrical structure, and convex clip tooth 11 is meshed with recessed latch 12.Using above-mentioned latch knot
Structure, can increase the locking coefficient between left driven torus 6 and right driven torus 7 and active ring 5, and with athwartship moment, work as differential
When not big enough, convex clip tooth 11 is stuck in inside recessed latch 12, and when wheel differential is excessive, convex clip tooth 11 is produced in recessed latch 12, convex
Latch 11 only has spherical summit, maximized reduction friction with the face that recessed latch 12 is contacted, and increases driven torus to another
The engaging pressure of side, compared with existing toothed differential gear box, without setting intermeshing between center ring 4 and driven torus
Stepped tooth, structure is simpler, make and more facilitate, and the convex clip tooth 11 of spherical structure is small with feature side-wall abrasion, zero
Without interference is rotated between part, fault rate is low, long service life.In addition, in order to effectively reduce differential mechanism operation noise, in recessed latch
Silencing washer 14 (shown in Figure 1) is additionally provided with 12, it is possible to reduce the abrasion of left driven torus 6 and right driven torus 7 and active ring 5
And the sound produced during friction, reduce the generation of noise.In the present embodiment, the quantity of convex clip tooth 11 and recessed latch 12 and nibble
The depth of conjunction can according to specific needs depending on, meet the knot of convex clip tooth 11 and recessed latch 12 with reference to the effect of left and right secondary spring
Close and disengage and require.
Additionally, shown in hookup 1, using packing ring is stopped, simple structure sets convenient to the spring base 8 in the present embodiment.Outward
The left and right two ends of housing 1 are mounted on bearing 13, are easy to limited slip differential to be installed and used on support, better ensure that power is passed
It is dynamic.Antirust paint is also coated with the lateral wall of shell body 1, the service life of the limited slip differential can be increased.In center ring 4
Outside is additionally provided with center ring pilot hole 15, easily facilitates the installation and regulation of the limited slip differential.
Embodiment 2
A kind of limited slip differential of the present embodiment, its basic structure is with embodiment 1, difference：In the present embodiment
In, reciprocal latch structure includes the uniform recessed latch 12 being located on the lateral wall of active ring 5, is uniformly located at left driven torus 6 and right driven torus 7
Convex clip tooth 11 on madial wall, convex clip tooth 11 is the projection of spherical structure, and recessed latch 12 is the groove of cylindrical structure, convex clip tooth 11
It is meshed with recessed latch 12.The reciprocal latch structure can also play the effect similar to the reciprocal latch structure in embodiment 1.
Content for a better understanding of the present invention, one kind of the above embodiments 1 and embodiment 2 is illustrated in conjunction with Fig. 1
The operation principle of limited slip differential：
When in use, the moment of torsion of engine passes to shell body 1, drives shell body 1 to rotate, and shell body 1 drives active ring 5
Rotate, center ring 4 can freely be rotated relative to active ring 5, but limited by snap ring 3 and can not moved axially, and active ring 5 drives
Left and right driven torus is rotated, and left and right driven torus drives the Formation of Axle Shaft Spline hub 2 of respective side to rotate, the wheel in Formation of Axle Shaft Spline hub 2 and the external world
Semiaxis is connected, and drives vehicle wheel rotation.When automobile normal turn, the reciprocal latch structure (power transmission tooth) of two driven torus and active ring 5
Between press tighter, then active ring 5 preferably drives two driven torus to rotate, and then drives vehicle wheel rotation, although two cars
There is differential between wheel, but both speed discrepancies are insufficient to allow 12 points of convex clip tooth 11 and recessed latch due to the limitation of left and right secondary spring
From convex clip tooth 11 is stuck in inside recessed latch 12, it is to avoid the oscillation phenomenon of Ackermann steer angle.When automobile skids, skid
The driven torus that the wheel of side has fast-turn construction trend, the i.e. side has the trend relative to the fast-turn construction of active ring 5, and both sides wheel differential is excessive
Afterwards, convex clip tooth 11 is produced in recessed latch 12, and convex clip tooth 11 only has spherical summit with the face that recessed latch 12 is contacted, maximized to subtract
Small friction, reduces the coupling mechanism force of the side, and increases pressure of the driven torus to opposite side, and active ring 5 can more be stung tight another
The driven torus of side, controls vehicle body, it is ensured that automotive safety passes through by the wheel of the driven pulley drive opposite side of opposite side；Together
Sample, when single wheel is hanging or enters the road surfaces such as miriness, ice and snow, it is driven that the moment of torsion of active ring 5 can be fully allocated to opposite side
Ring, afterwards in the presence of secondary spring elastic force, the side driven torus can update with active ring 5 and engage again, and this separation contains with connecing
Constantly repeat, pulsation and the noise of power transmission can be caused, and increase the abrasion of part, by the silencing washer installed
14 can avoid such case.
A kind of limited slip differential of the invention, sets between active ring and left driven torus, between active ring and right driven torus
With the presence of can be intermeshed transmission and in left driven torus and the certain speed discrepancy of right driven torus make the driven torus changed one's position soon and master
The reciprocal latch structure that rotating ring is separated, it is only necessary to which reciprocal latch structure is set on active ring and driven torus, by the pressure of left and right secondary spring
Power makes active ring and driven torus combine closely, and between left driven torus and right driven torus because wheel-slip or it is hanging existed
The driven torus changed one's position soon is separated with active ring during big speed discrepancy, and do not skid or hanging side driven torus and active ring
Engagement is even closer, has the advantages that simple structure, design ingenious, easy to use, reliable operation and long service life, hanging
Or during slippery road surface traveling, wheel-slip idle running problem is solved well, and can first consider vehicle when necessary
Safety, allows automobile to become to be driven by unilateral wheel, drives running car using the wheel not skidded, hence it is evident that improve automobile
Handling capacity.
Below schematically the present invention and embodiments thereof are described, the description does not have restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if the common skill of this area
Art personnel enlightened by it, in the case where the invention objective is not departed from, without creatively designing and the technical scheme
Similar frame mode and embodiment, all should belong to protection scope of the present invention.
Claims (7)
1. a kind of limited slip differential, including shell body (1), Formation of Axle Shaft Spline hub (2), center ring (4), active ring (5), left driven torus
(6), right driven torus (7), spring base (8), left redundant spring (9) and right redundant spring (10), it is characterised in that：Described shell
Two groups of Formation of Axle Shaft Spline hubs (2) for external left and right wheelses semiaxis are installed in the middle part of body (1), two groups of Formation of Axle Shaft Spline hubs (2)
Medial end is respectively provided with a snap ring (3), and described center ring (4) is installed between two snap rings (3), described active ring
(5) outside in center ring (4) is slidably socketed on the inside of, is connected on the outside of active ring (5) on shell body (1), described master
The both sides of rotating ring (5) are engaged be provided with left driven torus (6) and right driven torus (7) respectively, and described left driven torus (6) and the right side are driven
Ring (7) respectively with the Formation of Axle Shaft Spline hub (2) of respective side can the engagement of axial slip ground be connected, the outside of described left driven torus (6)
Wall is provided with left redundant spring (9), and the left redundant spring (9) is compressed in the spring base being installed in left hand side half shaft splined hub (2)
(8) between left driven torus (6), the lateral wall of described right driven torus (7) is provided with right redundant spring (10), the right redundant bullet
Spring (10) is compressed between the spring base (8) and right driven torus (7) being installed in right axle splined hub (2), described active
Be provided between ring (5) and left driven torus (6), between active ring (5) and right driven torus (7) can be intermeshed transmission and a left side from
Rotating ring (6) and right driven torus (7) make the latch knot that the driven torus changed one's position soon is separated with active ring (5) when there is certain speed discrepancy
Structure.
2. a kind of limited slip differential according to claim 1, it is characterised in that：Described reciprocal latch structure includes uniformly being located at
Convex clip tooth (11) on active ring (5) lateral wall, recessed card uniformly on left driven torus (6) with right driven torus (7) madial wall
Tooth (12), described convex clip tooth (11) is the projection of spherical structure, and described recessed latch (12) is the groove of cylindrical structure, described
Convex clip tooth (11) be meshed with recessed latch (12).
3. a kind of limited slip differential according to claim 1, it is characterised in that：Described reciprocal latch structure includes uniformly being located at
Recessed latch (12) on active ring (5) lateral wall, convex clip uniformly on left driven torus (6) with right driven torus (7) madial wall
Tooth (11), described convex clip tooth (11) is the projection of spherical structure, and described recessed latch (12) is the groove of cylindrical structure, described
Convex clip tooth (11) be meshed with recessed latch (12).
4. a kind of limited slip differential according to Claims 2 or 3, it is characterised in that：Also set in described recessed latch (12)
There is silencing washer (14).
5. a kind of limited slip differential according to claim 4, it is characterised in that：Described spring base (8) uses stop washer
Circle.
6. a kind of limited slip differential according to claim 5, it is characterised in that：The left and right two ends of described shell body (1)
It is mounted on bearing (13).
7. a kind of limited slip differential according to claim 6, it is characterised in that：On the lateral wall of described shell body (1)
It is coated with antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710006768.3A CN106763638B (en) | 2017-01-05 | 2017-01-05 | Antiskid differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710006768.3A CN106763638B (en) | 2017-01-05 | 2017-01-05 | Antiskid differential mechanism |
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| Publication Number | Publication Date |
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| CN106763638A true CN106763638A (en) | 2017-05-31 |
| CN106763638B CN106763638B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710006768.3A Active CN106763638B (en) | 2017-01-05 | 2017-01-05 | Antiskid differential mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448577A (en) * | 2017-07-27 | 2017-12-08 | 孙超 | Differential drive mechanism |
| CN107448576A (en) * | 2017-07-27 | 2017-12-08 | 孙超 | Novel differential gear |
| CN109027179A (en) * | 2018-09-16 | 2018-12-18 | 萍乡市志和汽车配件有限公司 | A kind of castellated differential lock |
| CN111670644A (en) * | 2020-02-14 | 2020-09-18 | 盐城永弘机械有限公司 | Seedling bed seedling raising machine |
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| CN206347088U (en) * | 2017-01-05 | 2017-07-21 | 常州工程职业技术学院 | A kind of limited slip differential |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107448576B (en) * | 2017-07-27 | 2024-01-12 | 孙超 | Novel differential mechanism |
| CN109027179A (en) * | 2018-09-16 | 2018-12-18 | 萍乡市志和汽车配件有限公司 | A kind of castellated differential lock |
| CN111670644A (en) * | 2020-02-14 | 2020-09-18 | 盐城永弘机械有限公司 | Seedling bed seedling raising machine |
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| CN106763638B (en) | 2023-09-12 |
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