CN218817968U - Integral differential case structure - Google Patents
Integral differential case structure Download PDFInfo
- Publication number
- CN218817968U CN218817968U CN202221870562.8U CN202221870562U CN218817968U CN 218817968 U CN218817968 U CN 218817968U CN 202221870562 U CN202221870562 U CN 202221870562U CN 218817968 U CN218817968 U CN 218817968U
- Authority
- CN
- China
- Prior art keywords
- differential
- arc
- reinforcing rib
- reinforcing ribs
- reinforcing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to an integral differential case structure, which comprises a differential left case, a differential right case, a flange, a reinforcing rib A, a reinforcing rib B, a reinforcing rib C, a reinforcing rib D and an annular groove; arranging a kidney-shaped round opening for assembling a planetary gear system; due to the design of the waist-shaped round opening, the rigidity and the strength of the left shell of the differential are weakened to a certain extent, so that the reinforcing ribs A, the reinforcing ribs B, the reinforcing ribs C and the reinforcing ribs D are respectively designed around the waist-shaped round opening, the rigidity of the left shell of the differential can be effectively increased, and stress concentration is avoided; the ring channel adopts multistage circular arc structure, makes the multistage circular arc tangent, can effectively avoid stress concentration, improves differential mechanism left side casing intensity, the utility model has the effects of simple structure is compact, small, the quality is light, intensity is high.
Description
Technical Field
The utility model relates to an automotive differential technical field especially relates to an integral differential case structure.
Background
The differential mechanism mainly comprises a planetary gear system, the planetary gear system is arranged in a commercial vehicle axle through a differential mechanism shell, and the differential mechanism shell plays a role in supporting, connecting and transmitting torque; in the traditional split type differential case, the left differential case, the flange and the right differential case are connected through bolts, so that the left differential case, the flange and the right differential case are difficult to disassemble during maintenance or repair, the structure is complex, the weight is heavy, a plurality of accessories are arranged, and the dead weight of an axle is increased due to the heavy weight; at present, under the background of emission limitation and efficient transportation, axles need to meet the technical requirements of light self weight, long service life and the like, so that an integral differential case is necessary to be used, an opening needs to be designed in order to guarantee the assembly requirement of a planetary gear system, and due to the design of the opening, the rigidity and the strength of the case are weakened to a certain extent, so that the traditional integral differential case is simple in structure and light in weight, but is weak in rigidity and low in strength, and is easy to break when the differential case acts, and the driving safety of a vehicle is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integral differential mechanism shell structure, the effectual integral differential mechanism shell rigidity of having solved tradition is not good, characteristics that intensity is low still have compact structure, small, the light effect of quality simultaneously.
In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:
an integral differential case structure comprises a differential left case, a differential right case, a flange, a reinforcing rib A, a reinforcing rib B, a reinforcing rib C, a reinforcing rib D and an annular groove; the differential left shell is provided with a waist-shaped round opening which penetrates through two sides of the differential left shell; the annular groove is arranged between the differential left shell and the flange, and is of a multi-section arc structure formed by tangentially connecting three arcs with different diameters. Arranging a kidney-shaped round opening for assembling a planetary gear system; due to the design of the waist-shaped round opening, the rigidity and the strength of the left shell of the differential mechanism can be weakened to a certain extent, so that the reinforcing ribs A, the reinforcing ribs B, the reinforcing ribs C and the reinforcing ribs D are respectively designed around the waist-shaped round opening, the rigidity of the left shell of the differential mechanism can be effectively improved, and stress concentration is avoided; the annular groove is of a multi-section arc structure formed by tangentially connecting three arcs with different diameters, stress concentration can be effectively avoided, and the rigidity of the joint of the left shell and the flange of the differential is improved.
Preferably, the waist-shaped circular opening includes an arc E, an arc F, a straight edge G, and a straight edge H.
Preferably, the reinforcing rib A is annular, the reinforcing rib A is sleeved on the left shell of the differential mechanism, the right side of the reinforcing rib A is connected with the annular groove, and the left side of the reinforcing rib A is overlapped with the straight edge E. The reinforcing rib A is arranged and connected with the annular groove and used for increasing the rigidity of the connection part of the waist-shaped circular opening and the flange and reducing the deformation of the waist-shaped circular opening during working.
Preferably, the reinforcing ribs B are arc-shaped, the four groups of reinforcing ribs B are arranged, and the reinforcing ribs B are correspondingly arranged on the upper end surface and the lower end surface of the waist-shaped round opening respectively. The reinforcing ribs B are arc-shaped, so that the rigidity of arc transition parts of the waist-shaped round openings is increased, and the deformation of the waist-shaped round openings during working is reduced.
Preferably, the number of the reinforcing ribs C is two, the reinforcing ribs C are respectively arranged on the waist-shaped round opening end face, and the side edges of the reinforcing ribs C are overlapped with the circular arc E and the straight edge H. The reinforcing ribs C are arranged, so that the rigidity of the arc transition part of the waist-shaped round opening is further increased, and the deformation of the waist-shaped round opening during working is reduced.
Preferably, the four reinforcing ribs D are arranged, the reinforcing ribs D are respectively arranged at the arc F, and the reinforcing rib A is connected with the reinforcing rib C through the reinforcing rib D. And the reinforcing ribs D are arranged to further increase the rigidity of the connection part of the waist-shaped round opening and the flange and reduce the deformation of the waist-shaped round opening during working.
Preferably, the multistage circular arc includes first circular arc, second circular arc and third circular arc, first circular arc one end with strengthening rib A connects, the first circular arc other end passes through the second circular arc with third circular arc one end is tangent to be connected, the third circular arc other end with flange joint. And the rigidity of the joint of the reinforcing rib A and the flange is increased by using multiple sections of circular arcs.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the multi-section reinforcing ribs are respectively designed around the waist-shaped circular opening of the left differential shell, so that the rigidity of the shell is effectively increased, stress concentration is avoided, the annular groove of a multi-section circular arc tangent structure is designed at the joint of the left differential shell and the flange, stress concentration is avoided, and the strength of the shell is improved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic view of the ring-shaped groove structure in fig. 1.
Description of the reference numerals
1. A waist-shaped round opening; 1-1, arc E;1-2, arc F;1-3, straight edge G;1-4, straight edge H; 2. a reinforcing rib A; 3. reinforcing ribs B; 4. a reinforcing rib C; 5. a reinforcing rib D; 6. an annular groove; 6-1, a first arc; 6-2, a second arc; 6-3, a third arc; 7. differential left shell, 8, flange, 9, differential right casing.
Detailed Description
As shown in fig. 1-3, an integral differential case structure comprises a differential left case 7, a differential right case 9, a flange 8, a reinforcing rib A2, a reinforcing rib B3, a reinforcing rib C4, a reinforcing rib D5 and an annular groove 6; the differential left shell 7 is provided with a waist-shaped round opening 1, and the waist-shaped round opening 1 penetrates through two sides of the differential left shell 7; the annular groove 6 is arranged between the differential left shell 7 and the flange 8, and the annular groove 6 is of a multi-section arc structure formed by tangentially connecting three arcs with different diameters. A kidney-shaped round opening 1 is arranged for assembling a planetary gear system; due to the design of the waist-shaped circular opening 1, the rigidity and the strength of the differential left shell 7 can be weakened to a certain extent, so that the reinforcing ribs A2, the reinforcing ribs B3, the reinforcing ribs C4 and the reinforcing ribs D5 are respectively designed around the waist-shaped circular opening 1, stress concentration is avoided, and the rigidity of the differential left shell 7 is improved; the annular groove 6 is arranged, and a multi-section arc structure formed by tangentially connecting three arcs with different diameters is used, so that stress concentration can be effectively avoided, and the rigidity of the joint of the differential left shell 7 and the flange 8 is improved.
The waist-shaped circular opening 1 comprises an arc E1-1, an arc F1-2, a straight edge G1-3 and a straight edge H1-4.
The reinforcing rib A2 is annular, the reinforcing rib A2 is sleeved on the differential left shell 7, the right side of the reinforcing rib A2 is connected with the annular groove 6, and the left side of the reinforcing rib A2 is overlapped with the straight edge E1-4. The reinforcing rib A2 is arranged and connected with the annular groove 6, and is used for increasing the rigidity of the joint of the waist-shaped circular opening 1 and the flange 8 and reducing the deformation of the waist-shaped circular opening 1 during working.
The strengthening ribs B3 are in the shape of an arc, the strengthening ribs B3 are in four groups, and the strengthening ribs B3 are respectively and correspondingly arranged on the upper end surface and the lower end surface of the waist-shaped round opening 1. The reinforcing rib B3 increases the rigidity of the arc transition part of the waist-shaped circular opening 1 and reduces the deformation of the waist-shaped circular opening 1 during work.
Two groups of reinforcing ribs C4 are arranged, the reinforcing ribs C4 are respectively arranged on the end face of the waist-shaped circular opening 1, and the side edges of the reinforcing ribs C4 are superposed with the circular arc E1-1 and the straight edge H1-4. And a reinforcing rib C4 is arranged to further increase the rigidity of the arc transition part of the waist-shaped circular opening 1 and reduce the deformation of the waist-shaped circular opening 1 during working.
The four groups of reinforcing ribs D5 are arranged, the reinforcing ribs D5 are respectively arranged at the arc F1-2, and the reinforcing rib A2 is connected with the reinforcing rib C4 through the reinforcing rib D5. And a reinforcing rib D5 is arranged and connected with the reinforcing rib A2 and the reinforcing rib C4, so that the rigidity of the joint of the waist-shaped circular opening 1 and the flange 8 is further increased, and the deformation of the waist-shaped circular opening 1 during working is reduced.
The multi-section circular arcs comprise a first circular arc 6-1, a second circular arc 6-2 and a third circular arc 6-3, one end of the first circular arc 6-1 is connected with the reinforcing rib A2, the other end of the first circular arc 6-1 is connected with one end of the third circular arc 6-3 in a tangent mode through the second circular arc 6-2, and the other end of the third circular arc 6-3 is connected with the flange 8. The first arc 6-1, the second arc 6-2 and the third arc 6-3 are tangentially connected to form a multi-section arc, so that stress concentration is avoided, and the rigidity of the joint of the reinforcing rib A2 and the flange 8 is increased.
Claims (7)
1. An integral differential case structure is characterized by comprising a differential left case (7), a differential right case (9), a flange (8), a reinforcing rib A (2), a reinforcing rib B (3), a reinforcing rib C (4), a reinforcing rib D (5) and an annular groove (6); the differential left shell (7) is provided with a waist-shaped round opening (1), and the waist-shaped round opening (1) penetrates through two sides of the differential left shell (7); the annular groove (6) is arranged between the differential left shell (7) and the flange (8), and the annular groove (6) is of a multi-section arc structure formed by tangentially connecting arcs with different diameters.
2. The one-piece differential carrier case structure according to claim 1, wherein the kidney-shaped circular opening (1) includes an arc E (1-1), an arc F (1-2), a straight side G (1-3), and a straight side H (1-4).
3. The integrated differential case structure according to claim 2, wherein the reinforcing rib a (2) is annular, the reinforcing rib a (2) is sleeved on the differential left case (7), the right side of the reinforcing rib a (2) is connected with the annular groove (6), and the left side of the reinforcing rib a (2) is overlapped with the straight sides H (1-4).
4. The integral differential case structure according to claim 1, wherein the reinforcing ribs B (3) are arc-shaped, the four groups of reinforcing ribs B (3) are provided, and the reinforcing ribs B (3) are respectively provided on the upper and lower end faces of the kidney-shaped round opening (1) correspondingly.
5. The integrated differential case structure according to claim 2, wherein there are two sets of the reinforcing ribs C (4), the reinforcing ribs C (4) are respectively provided on the end faces of the kidney-shaped circular opening (1), and the side edges of the reinforcing ribs C (4) coincide with the circular arc E (1-1) and the straight edges H (1-4).
6. The one-piece differential carrier case structure according to claim 2, wherein the reinforcing ribs D (5) are four groups, the reinforcing ribs D (5) are provided at the arcs F (1-2), respectively, and the reinforcing rib a (2) is connected to the reinforcing rib C (4) through the reinforcing rib D (5).
7. The one-piece differential carrier case structure according to claim 1, wherein the plurality of arcs include a first arc (6-1), a second arc (6-2), and a third arc (6-3), wherein one end of the first arc (6-1) is connected to the rib a (2), the other end of the first arc (6-1) is tangentially connected to one end of the third arc (6-3) through the second arc (6-2), and the other end of the third arc (6-3) is connected to the flange (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221870562.8U CN218817968U (en) | 2022-07-11 | 2022-07-11 | Integral differential case structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221870562.8U CN218817968U (en) | 2022-07-11 | 2022-07-11 | Integral differential case structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817968U true CN218817968U (en) | 2023-04-07 |
Family
ID=87046873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221870562.8U Active CN218817968U (en) | 2022-07-11 | 2022-07-11 | Integral differential case structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218817968U (en) |
-
2022
- 2022-07-11 CN CN202221870562.8U patent/CN218817968U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218817968U (en) | Integral differential case structure | |
| CN209977214U (en) | Small-size electric motor car differential case box | |
| CN104742650B (en) | Electric forklift and axle box thereof | |
| CN211009604U (en) | Novel steel wire processing equipment reinforcing and connecting assembly | |
| CN211335438U (en) | Split type double-motor coaxial wheel-side planet wheel speed reduction drive axle | |
| CN212192019U (en) | Quick-connecting device of differential gear backlash detection expansion sleeve | |
| CN216555272U (en) | Rear axle final drive shell | |
| CN217842436U (en) | Movable joint clamping fork seat of universal joint | |
| CN2217123Y (en) | Combination triple gear pump | |
| CN112591073A (en) | Wing body combines to connect and unmanned aerial vehicle | |
| CN206111994U (en) | Split type cross axle of high strength | |
| CN215059363U (en) | Aluminum reduction box end cover for transport vehicle | |
| CN213202093U (en) | Hoop for air duct | |
| CN105059113A (en) | Vehicle-bridge structure | |
| CN217502507U (en) | Miniaturized bolt connection type differential case for pure electric transmission | |
| CN2245691Y (en) | Strong spring coupling | |
| CN219282352U (en) | Differential mechanism assembly between commercial wheels | |
| CN216009493U (en) | Medium axle main reducer shell | |
| CN207877066U (en) | Elevator traction sheave | |
| CN217676266U (en) | Novel staircase driving sprocket structure | |
| CN213981852U (en) | Narrow channel straight plate chain | |
| CN216783184U (en) | Wheel hub for wheel hub driving system and wheel using wheel hub | |
| CN212272951U (en) | Speed reduction system without internal gear | |
| CN217437471U (en) | Elevator traction system and elevator | |
| CN215334255U (en) | Speed reduction transmission device and hoisting hoist |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |