CN203703048U - Anti-skid differential mechanism, rear axle and vehicle - Google Patents
Anti-skid differential mechanism, rear axle and vehicle Download PDFInfo
- Publication number
- CN203703048U CN203703048U CN201320840408.0U CN201320840408U CN203703048U CN 203703048 U CN203703048 U CN 203703048U CN 201320840408 U CN201320840408 U CN 201320840408U CN 203703048 U CN203703048 U CN 203703048U
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- CN
- China
- Prior art keywords
- differential
- shell
- final drive
- drive casing
- collar
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Abstract
The utility model discloses an anti-skid differential mechanism, which comprises a differential gear set, a differential case and a differential lock, wherein the differential case comprises a left case (1) and a right case (2); the differential lock comprises an air cylinder (5), a shifting fork (6), a sliding meshing sleeve (7), a fixed meshing sleeve (8) and a snap spring (9); the left case comprises an axle neck part (10) and a case disk part (11); the fixed meshing sleeve (8) is connected to the axle neck part (10) through a spline; a snap spring groove (12) is formed in a position, close to a free end, on the axle neck part; the snap spring is clamped in the snap spring groove to fix the fixed meshing sleeve axially together with the case disk part; the sliding meshing sleeve is connected with a half axle (4) through a spline; a gap (13) extending towards the snap spring groove is formed in the free end of the axle neck part; the air cylinder can be used for pushing the shifting fork to mesh the sliding meshing sleeve with the fixed meshing sleeve in order to rigidly connect the left case with the half axle through the differential lock. Moreover, the utility model further discloses a rear axle comprising the anti-skid differential mechanism and a vehicle comprising the anti-skid differential mechanism.
Description
Technical field
The utility model relates to vehicular field, particularly, relates to a kind of limited slip differential.In addition, the utility model also relates to the back axle and the vehicle that comprise this limited slip differential.
Background technique
According to the differential principle of differential mechanism, be respectively n1 and n2 if establish the rotating speed of left and right half gear, the rotating speed of differential carrier is n
0, have n
1+ n
2=2n
0, the rotating speed sum of left and right sides differential gear is 2 times of differential carrier rotating speed, and has nothing to do with planetary pinion rotating speed.This distribution makes automobile in the time of good road surface straight line or turning driving, all have satisfied effect.
But, when automobile is during at bad road traveling, but have a strong impact on passing capacity.For example, in the time that a driving wheel touches muddy or ice and snow road, this wheel skids original place, and the vehicle that the be positioned at road surface on the contrary transfixion coaxial with it, vehicle can not advance.
In view of this, need to provide a kind of differential structure that can overcome above-mentioned prior art defect.
Model utility content
The purpose of this utility model is to provide a kind of limited slip differential, and this differential mechanism can be rigidly connected a side semiaxis and differential carrier as required, and the differential gear constant speed of the left and right sides is rotated.
To achieve these goals, the utility model provides a kind of limited slip differential, comprise differential gear set, differential carrier and differential lock, described differential carrier comprises left shell and right shell, described differential gear set is between described left shell and described right shell and be in transmission connection with semiaxis, described differential lock comprises cylinder, shift fork, slip engaging sleeve, fixed engagement cover and jump ring, described left shell comprises collar and shell dish portion, described fixed engagement cover by spline joint in described collar to rotate with described left shell constant speed, described collar is formed with jump-ring slot near free-ended position, described jump ring is connected in described jump-ring slot, with with described shell dish portion by described fixed engagement cover axial restraint, described slip engaging sleeve is connected with described semiaxis by spline, the free end of described collar is formed with the breach extending to described jump-ring slot, and described cylinder can promote described shift fork makes described slip engaging sleeve engage with described fixed engagement cover, so that described left shell is rigidly connected by described differential lock and described semiaxis.
Preferably, the outer rim of described shell dish portion is formed with bolt connecting hole, and the driven gear of main reducing gear is bolted in this shell dish portion, and, be formed with the strengthening rib radially extending near described collar one side in this shell dish portion, this strengthening rib is between described bolt connecting hole.
Preferably, described bolt connecting hole is formed with boss around.
Preferably, described shift fork is formed with lightening hole.
On this basis, the utility model also provides a kind of back axle, and this back axle comprises axle housing, main reducing gear, differential mechanism and final drive casing, wherein, described differential mechanism is above-mentioned limited slip differential, is formed with cylinder fitting seat on described final drive casing, and described cylinder is installed on this cylinder fitting seat.
Preferably, described final drive casing comprises first end and the second end, described first end is connected with described axle housing, described the second end is connected with the driving gear shaft bearing of described main reducing gear, and in the outer rim of described first end, be formed with the first bolt hole so that described final drive casing is bolted on described axle housing, the surrounding of this first bolt hole is formed with boss.
Preferably, the outer surface of described final drive casing is formed with stiffening rib, in the outer rim of described the second end, be formed with the second bolt hole so that described final drive casing is connected with described driving gear shaft bearing, described stiffening rib extends to described the second bolt hole from described the first bolt hole.
In addition, the utility model also provides a kind of vehicle, and this vehicle comprises above-mentioned limited slip differential or above-mentioned back axle.
Pass through technique scheme, controlling slip engaging sleeve engages with fixed engagement cover, differential carrier and a side semiaxis are rigidly connected, thereby according to differential principle, the differential gear constant speed of the left and right sides is rotated, even if the single wheel of vehicle is positioned at ice and snow road, still can drive Vehicle Driving Cycle by opposite side wheel.In limited slip differential of the present utility model, be formed on the free-ended breach of collar, make jump ring be easy to install, and there is the advantages such as simple in structure, handling facility.
Other feature and advantage of the present utility model are described in detail the embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is according to the explosive view of the limited slip differential of the utility model embodiment;
Fig. 2 is the left shell perspective view of differential carrier;
Fig. 3 is that in Fig. 2, the master of left shell looks schematic diagram;
Fig. 4 is the enlarged view of the collar of left shell in Fig. 2;
Fig. 5 is the left view of final drive casing;
Fig. 6 is the structural representation of shift fork.
Description of reference numerals
The right shell of 1 left shell 2
3 driven gear 4 semiaxis
5 cylinder 6 shift forks
7 slip engaging sleeve 8 fixed engagement covers
9 jump ring 10 collars
11 shell dish portion 12 jump-ring slots
13 breach 14 bolt connecting holes
15 strengthening rib 16 lightening holes
17 final drive casing 18 cylinder fitting seats
19 first bolt hole 20 stiffening ribs
21 first end 22 second ends
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
Referring to figs. 1 through Fig. 6, according to the limited slip differential of a kind of embodiment of the utility model, comprise differential gear set, differential carrier and differential lock, described differential carrier comprises left shell 1 and right shell 2, and this left shell 1 and right shell 2 all can be arranged on final drive casing 17 by bearing.The differential gear that described differential gear set comprises planet pin, is positioned at the planetary pinion of this planet pin axle head, engages in semiaxis and with described planetary pinion by spline joint, thereby and this differential gear set between described left shell 1 and described right shell 2, be in transmission connection with semiaxis 4.Described left shell 1 comprises collar 10 and shell dish portion 11, and described differential lock comprises cylinder 5, shift fork 6, slip engaging sleeve 7, fixed engagement cover 8 and jump ring 9.
Described fixed engagement cover 8 by spline joint in described collar 10 to rotate with described left shell 1 constant speed, described collar 10 is formed with jump-ring slot 12 near free-ended position, described jump ring 9 is connected in described jump-ring slot 12, described fixed engagement is overlapped to 8 axial restraints with described shell dish portion 11; Described slip engaging sleeve 7 is connected with described semiaxis 4 by spline and can slides axially along semiaxis 4.The free end of described collar 10 is formed with the breach 13 extending to described jump-ring slot 12, described cylinder 5 can promote described shift fork 6 makes described slip engaging sleeve 7 engage with described fixed engagement cover 8, so that described left shell 1 is rigidly connected by described differential lock and described semiaxis 4.
Particularly, slip engaging sleeve 7 and fixed engagement cover 8 are all being formed with engaging tooth with one end respect to one another, the outer rim of one end of shift fork 6 and slip engaging sleeve 7 is formed with circular arc engagement grooves, shift fork 6 can promote slip engaging sleeve 7 and slide along semiaxis 4, and slip engaging sleeve 7 can rotate around semiaxis 4 with respect to shift fork 6.
The jump ring 9 that is arranged on left shell 1 collar 10 makes fixed engagement cover 8 at axial restraint, simple in structure, easy for installation.Particularly be formed on the breach 13 that collar 10 forms, can be convenient to the dismounting of jump ring 9, in addition, breach 13 can also play loss of weight effect, as shown in Figure 4.
In conjunction with Fig. 2 and Fig. 3, the outer rim of shell dish portion 11 can be formed with bolt connecting hole 14, the driven gear 3 of main reducing gear is bolted in this shell dish portion 11, and, be formed with the strengthening rib 15 radially extending near described collar 10 1 sides in this shell dish portion 11, this strengthening rib 15 is between described bolt connecting hole 14.Driven gear 3 also can be by other means, and (as riveted joint) is connected in shell dish portion 11, and correspondingly, strengthening rib 15 is formed between riveted holes.
In addition, described bolt connecting hole 14 can also be formed with boss around.Above strengthening rib 15 and boss etc. are provided with the intensity that is beneficial to stiffened shell dish portion 11 targetedly, strengthen the join strength of bolt connecting hole 14 simultaneously.
In above-mentioned differential lock, as shown in Figure 6, described shift fork 6 can be formed with lightening hole 16, and in these lightening hole 16 both sides, stiffening rib can be set.
Of the present utility modelly also provide on the other hand a kind of back axle, comprise axle housing, main reducing gear, differential mechanism and final drive casing 17, the limited slip differential that described differential mechanism provides for the utility model, on described final drive casing 17, be formed with cylinder fitting seat 18, described cylinder 5 is installed on this cylinder fitting seat 18.
With the left shell 1 of above-mentioned differential mechanism similarly, with reference to Fig. 5, in order to strengthen pointedly structural strength, described final drive casing 17 comprises first end 21 and the second end 22, this first end 21 is respectively used to be connected with the driving gear shaft bearing of axle housing and main reducing gear with the second end 22, final drive casing 17 is connected on described axle housing by bolt thereby be formed with the first bolt hole 19 in the outer rim of described first end 21, the surrounding of this first bolt hole 19 can be formed with boss.
Further, the outer surface of described final drive casing 17 can be formed with stiffening rib 20, in the outer rim of described the second end 22, be formed with the second bolt hole so that described final drive casing 17 is connected with described driving gear shaft bearing, described stiffening rib 20 extends to described the second bolt hole from described the first bolt hole 19.
On the basis of technique scheme, the utility model also provides a kind of vehicle, and this vehicle comprises above-mentioned limited slip differential or above-mentioned back axle.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between various mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. a limited slip differential, comprise differential gear set, differential carrier and differential lock, described differential carrier comprises left shell (1) and right shell (2), described differential gear set is positioned between described left shell (1) and described right shell (2) and with semiaxis (4) and is in transmission connection, described differential lock comprises cylinder (5), shift fork (6), slip engaging sleeve (7), fixed engagement cover (8) and jump ring (9), it is characterized in that
Described left shell (1) comprises collar (10) and shell dish portion (11), described fixed engagement cover (8) by spline joint in described collar (10) to rotate with described left shell (1) constant speed, described collar (10) is formed with jump-ring slot (12) near free-ended position, described jump ring (9) is connected in described jump-ring slot (12), with with described shell dish portion (11) by described fixed engagement cover (8) axial restraint, described slip engaging sleeve (7) is connected with described semiaxis (4) by spline; The free end of described collar (10) is formed with the breach (13) extending to described jump-ring slot (12), described cylinder (5) can promote described shift fork (6) makes described slip engaging sleeve (7) engage with described fixed engagement cover (8), so that described left shell (1) is rigidly connected by described differential lock and described semiaxis (4).
2. limited slip differential according to claim 1, it is characterized in that, the outer rim of described shell dish portion (11) is formed with bolt connecting hole (14), the driven gear (3) of main reducing gear is bolted in this shell dish portion (11), and, be formed with the strengthening rib (15) radially extending near described collar (10) one sides in this shell dish portion (11), this strengthening rib (15) is positioned between described bolt connecting hole (14).
3. limited slip differential according to claim 2, is characterized in that, described bolt connecting hole (14) is formed with boss around.
4. limited slip differential according to claim 1, is characterized in that, described shift fork (6) is formed with lightening hole (16).
5. a back axle, comprise axle housing, main reducing gear, differential mechanism and final drive casing (17), it is characterized in that, described differential mechanism is the limited slip differential described in any one in claim 1 to 4, on described final drive casing (17), be formed with cylinder fitting seat (18), described cylinder (5) is installed on this cylinder fitting seat (18).
6. back axle according to claim 5, it is characterized in that, described final drive casing (17) comprises first end (21) and the second end (22), described first end (21) is connected with described axle housing, described the second end (22) is connected with the driving gear shaft bearing of described main reducing gear, and in the outer rim of described first end (21), be formed with the first bolt hole (19) so that described final drive casing (17) is bolted on described axle housing, the surrounding of this first bolt hole (19) is formed with boss.
7. back axle according to claim 6, it is characterized in that, the outer surface of described final drive casing (17) is formed with stiffening rib (20), in the outer rim of described the second end (22), be formed with the second bolt hole so that described final drive casing (17) is connected with described driving gear shaft bearing, described stiffening rib (20) extends to described the second bolt hole from described the first bolt hole (19).
8. a vehicle, is characterized in that, this vehicle comprises the back axle described in any one in the limited slip differential described in any one in claim 1 to 4 or claim 5 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320840408.0U CN203703048U (en) | 2013-12-18 | 2013-12-18 | Anti-skid differential mechanism, rear axle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320840408.0U CN203703048U (en) | 2013-12-18 | 2013-12-18 | Anti-skid differential mechanism, rear axle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703048U true CN203703048U (en) | 2014-07-09 |
Family
ID=51053494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320840408.0U Expired - Fee Related CN203703048U (en) | 2013-12-18 | 2013-12-18 | Anti-skid differential mechanism, rear axle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812924A (en) * | 2017-02-21 | 2017-06-09 | 陈洁 | A kind of transmission case for inside small size lathe |
| CN107345566A (en) * | 2017-08-22 | 2017-11-14 | 卢华清 | Slidingtype differential locking-device |
-
2013
- 2013-12-18 CN CN201320840408.0U patent/CN203703048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812924A (en) * | 2017-02-21 | 2017-06-09 | 陈洁 | A kind of transmission case for inside small size lathe |
| CN107345566A (en) * | 2017-08-22 | 2017-11-14 | 卢华清 | Slidingtype differential locking-device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |