CN210290641U - Light differential case - Google Patents
Light differential case Download PDFInfo
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- CN210290641U CN210290641U CN201920941778.0U CN201920941778U CN210290641U CN 210290641 U CN210290641 U CN 210290641U CN 201920941778 U CN201920941778 U CN 201920941778U CN 210290641 U CN210290641 U CN 210290641U
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Abstract
The utility model provides a lightweight differential mechanism shell, through adopting the differential mechanism left side shell structure of the punching and welding structure, replace original whole forging structure to set up hollow stud structure on the differential mechanism left side shell, reduced the weight and the material cost of differential mechanism left side shell, reduced the machine and add the cost, reduced forging equipment input, reduced the forging energy resource consumption, it is more environmental protection, adopt the hollow stud structure of punching press sunken out to replace traditional strengthening rib structure, promoted the reliability of axial atress; in addition, the axle hole interference fit is adopted between the side gear gasket and the side gear, so that the relative rotation and abrasion between the side gear gasket and the side gear are prevented.
Description
Technical Field
The utility model belongs to car axle subassembly field, concretely relates to lightweight differential mechanism shell.
Background
In the current domestic automobile axle, a differential left shell in a differential assembly mostly adopts an end face tooth structure, and end face teeth are meshed with a sliding meshing sleeve so as to realize the function of a differential lock. The left differential shell is of an integral forging structure, so that the strength of end face teeth is guaranteed, the pressure requirement of the integral forging structure on forging equipment is high, the energy consumption is high, the environment is not protected, the weight of the left differential shell is large, and the machining cost of the left differential shell is high.
Disclosure of Invention
The utility model discloses a solve in the current automobile axle because differential mechanism left shell adopts the whole forging structure to lead to forging equipment cost high, the many environmental protection of energy consumption, differential mechanism left shell weight great, the higher problem of differential mechanism left shell processing cost, provide a lightweight differential mechanism shell, reduce weight and cost.
The utility model discloses an adopt following technical scheme to realize:
a light differential case is connected with a driven bevel gear and a half axle gear and comprises a differential left case and a differential right case, wherein the differential left case comprises a differential left case body and an axle tube, the differential left case body comprises a journal part and a flange part, the journal part and the flange part are provided with a central round hole and are bent and transited, the differential left case is characterized in that four notches are uniformly distributed at intervals on the front end surface of the journal of the differential left case body, twelve differential left case first through holes which are uniformly distributed at intervals and used for being connected with the driven bevel gear through bolts are arranged on the flange surface of the differential left case body, two differential left case second through holes are uniformly distributed on the flange surface of the differential left case body, six hollow vertical ribs with angular sections are uniformly punched at intervals on the bending positions of the flange surface of the differential left case body and the journal, and the journal of the axle tube is arranged in the central round hole of the differential left case body, four welding seams are adopted at four gaps of the differential left shell body to weld the differential left shell body and the axle tube together, a differential right shell first through hole which is in one-to-one correspondence with a first through hole on a flange surface of the differential left shell body is arranged on a differential right shell, a differential right shell second through hole which is in one-to-one correspondence with a second through hole on a flange surface of the differential left shell body is arranged on a differential right shell, a cylindrical pin is sequentially pressed into the differential left shell second through hole and the differential right shell second through hole, a bolt sequentially penetrates through the differential left shell first through hole and the differential right shell first through hole and then is in threaded connection with a driven bevel gear, a shaft neck of the axle tube of the axle gear is arranged in a central round hole of the axle tube, and an axle gear gasket is arranged between the rear.
The further technical scheme is as follows:
the half shaft gear gasket adopts two segmentation ladder journal structures, the anterior little journal section of half shaft gear gasket has central round hole, the big journal section at half shaft gear gasket rear portion also has central round hole, the rear end face of the big journal section of half shaft gear gasket is the plane, interval evenly distributed has the oilhole of crossing of six circular through-hole structures on the rear end face of the big journal section of half shaft gear gasket, the central round hole suit of the little journal section of half shaft gear gasket is on the surface of the rear end of central siphon, the central round hole interference fit suit of the big journal section of half shaft gear gasket is on half shaft gear's journal, the rear end face of half shaft gear gasket is laminated with half shaft gear's circular bead.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pair of lightweight differential mechanism shell through adopting the differential mechanism left side shell structure of dashing and welding the structure, replaces original whole forging structure, has reduced the weight and the material cost of differential mechanism left side shell, has reduced the machine and has added the cost, has reduced the forging equipment input, has reduced the forging energy resource consumption, and environmental protection more adopts the punching press sunk structure to replace the founding muscle structure, has promoted the reliability of axial atress. In addition, the axle hole interference fit is adopted between the side gear gasket and the side gear, so that the relative rotation and abrasion between the side gear gasket and the side gear are prevented.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is a cross-sectional view of a differential case with a press-welded structure according to the present invention, applied to a differential assembly;
fig. 2 is a cross-sectional view of a left differential case in a differential case of a press-welded structure according to the present invention;
fig. 3 is a side view of a left differential case in a differential case of a press-welded structure according to the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a cross-sectional view of a side gear shim in a differential case of a press-welded construction in accordance with the present invention;
FIG. 6 is a side view of a side gear shim in a differential case of a press-welded construction in accordance with the present invention;
in the figure: 1. the differential mechanism comprises a tapered roller bearing, 2. a differential left shell, 3. a side gear, 4. a side gear gasket, 5. a differential right shell, 6. a cylindrical pin, 7. a bolt, 8. a driven bevel gear, 9. a differential left shell body, 10. an axle tube, 11. a differential left shell first through hole, 12. a differential left shell second through hole, 13. a stud and 14. an oil through hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, the utility model provides a light-weighted differential case, use on differential mechanism assembly, be connected with driven bevel gear 8 and side gear 3, including differential left side shell 2 and differential right side shell 5, as shown in fig. 2, differential left side shell 2 includes differential left side shell body 9 and central siphon 10, as shown in fig. 2 and 3, differential left side shell body 9 is including journal part and the flange face part that has central round hole, journal part and flange face part are buckled the transition, there are four interval evenly distributed's opening on the preceding terminal surface of the axle journal of differential left side shell body 9, there are twelve interval evenly distributed's the first through-hole 11 of differential left side shell that is used for bolted connection driven bevel gear 8 on the flange face of differential left side shell body 9, there are the differential left side shell second through-hole 12 of two equipartitions on the flange face of differential left side shell body 9 and the department of buckling of axle journal interval punching press out six sections for the angle type evenly The hollow stud 13, the axle journal of central siphon 10 is packed into the central round hole of differential left side shell body 9, adopts four welding seams to weld differential left side shell body 9 and central siphon 10 together at four openings of differential left side shell body 9, has the first through-hole of differential right side shell with the first through-hole one-to-one on the differential left side shell body 9 flange face on the differential right side shell 5, has the differential right side shell second through-hole with the second through-hole one-to-one on the differential left side shell body 9 flange face on the differential right side shell 5.
As shown in fig. 1, the cylindrical pin 6 is sequentially pressed into the second through hole of the left differential case and the second through hole of the right differential case, the bolt 7 sequentially penetrates through the first through hole of the left differential case and the first through hole of the right differential case and then is in threaded connection with the driven bevel gear 8, the shaft neck of the half axle gear 3 is arranged in the central circular hole of the shaft tube 10, the half axle gear gasket 4 is arranged between the rear end surface of the shaft tube 10 and the shoulder of the half axle gear 3, and the inner ring of the tapered roller bearing 1 is sleeved on the outer surface of the front part of the shaft neck of the. The front end face of the shaft tube 10 is provided with end face teeth for being meshed with the sliding meshing sleeve to realize the function of the differential lock.
As shown in fig. 5 and 6, the half axle gear gasket 4 adopts a two-section stepped journal structure, a small journal section in the front of the half axle gear gasket 4 has a central circular hole, a large journal section in the rear of the half axle gear gasket 4 also has a central circular hole, the rear end face of the large journal section of the half axle gear gasket 4 is a plane, oil passing holes 14 of six circular through hole structures are uniformly distributed on the rear end face of the large journal section of the half axle gear gasket 4 at intervals, the central circular hole of the small journal section of the half axle gear gasket 4 is sleeved on the outer surface of the rear end of the axle tube 10, the central circular hole of the large journal section of the half axle gear gasket 4 is sleeved on the journal of the half axle gear 3 in an interference fit manner, and the rear end face of the half axle gear gasket.
Claims (2)
1. The utility model provides a light-weighted differential mechanism shell, be connected with driven bevel gear (8) and side gear (3), including differential mechanism left side shell (2) and differential mechanism right side shell (5), differential mechanism left side shell (2) are including differential mechanism left side shell body (9) and central siphon (10), differential mechanism left side shell body (9) are including journal part and the flange face part that has central round hole, journal part and flange face part transition of buckling, a serial communication port, there are four opening that interval evenly distributed on the preceding terminal surface of the axle journal of differential mechanism left side shell body (9), there are twelve interval evenly distributed's differential mechanism left side shell first through-hole (11) that are used for bolted connection driven bevel gear (8) on the flange face of differential mechanism left side shell body (9), there are two differential mechanism left side shell second through-holes (12) of equipartition on the flange face of differential mechanism left side shell body (9) and the department of buckling of axle journal interval evenly goes out six sections for the angle type The axle journal of the axle tube (10) is arranged in a central round hole of a differential left shell body (9), four gaps of the differential left shell body (9) are welded together by four welding seams, a differential right shell (5) is provided with differential right shell first through holes which are in one-to-one correspondence with first through holes on a flange surface of the differential left shell body (9), a differential right shell (5) is provided with differential right shell second through holes which are in one-to-one correspondence with second through holes on the flange surface of the differential left shell body (9), a cylindrical pin (6) is sequentially pressed into the differential left shell second through holes and the differential right shell second through holes, a bolt (7) is connected with a driven bevel gear (8) through threads after sequentially passing through the differential left shell first through holes and the differential right shell first through holes, the axle journal of the half axle gear (3) is arranged in the central round hole of the axle tube (10), a side gear gasket (4) is arranged between the rear end of the shaft tube (10) and the shoulder of the side gear (3).
2. The light-weight differential case according to claim 1, characterized in that the half gear gasket (4) is of a two-section stepped journal structure, the small journal section in the front of the half gear gasket (4) is provided with a central circular hole, the large journal section in the rear of the half gear gasket (4) is also provided with a central circular hole, the rear end face of the large journal section of the half gear gasket (4) is a plane, the oil passing holes (14) of six circular through hole structures are uniformly distributed on the rear end face of the large journal section of the half gear gasket (4) at intervals, the central circular hole of the small journal section of the half gear gasket (4) is sleeved on the outer surface of the rear end of the axle tube (10), the central circular hole of the large journal section of the half gear gasket (4) is sleeved on the journal of the half gear (3) in an interference fit manner, and the rear end face of the half gear gasket (4) is attached to the shoulder of the half gear (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941778.0U CN210290641U (en) | 2019-06-21 | 2019-06-21 | Light differential case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941778.0U CN210290641U (en) | 2019-06-21 | 2019-06-21 | Light differential case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290641U true CN210290641U (en) | 2020-04-10 |
Family
ID=70097979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920941778.0U Active CN210290641U (en) | 2019-06-21 | 2019-06-21 | Light differential case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210290641U (en) |
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2019
- 2019-06-21 CN CN201920941778.0U patent/CN210290641U/en active Active
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