CN210290642U - Differential mechanism shell positioning and connecting structure - Google Patents
Differential mechanism shell positioning and connecting structure Download PDFInfo
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- CN210290642U CN210290642U CN201920941780.8U CN201920941780U CN210290642U CN 210290642 U CN210290642 U CN 210290642U CN 201920941780 U CN201920941780 U CN 201920941780U CN 210290642 U CN210290642 U CN 210290642U
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- differential
- shell
- differential mechanism
- case
- driven bevel
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Abstract
The utility model provides a differential mechanism shell location connection structure, through set up the blind hole structure that corresponds each other on differential mechanism left side shell and differential mechanism right side shell and adopt the cylindric lock to connect differential mechanism left side shell and differential mechanism right side shell, realize the radial positioning function of differential mechanism left side shell and differential mechanism right side shell, through set up the through-hole on differential mechanism left side shell and differential mechanism right side shell, set up the screw thread blind hole on driven bevel gear and adopt the bolt to link together differential mechanism left side shell, differential mechanism right side shell and driven bevel gear, this kind of structure is for original tang location structure, the material cost and the weight of differential mechanism left and right side shell have been reduced; the processing cost of the left and right shells of the differential is reduced.
Description
Technical Field
The utility model belongs to car axle subassembly field, concretely relates to differential mechanism shell location connection structure.
Background
In the current domestic automobile axle, a left differential shell and a right differential shell in a differential assembly are positioned and connected by adopting a spigot structure. The blanks of the left and right shells of the differential mechanism in the structure need to be reserved with materials, and the material cost is increased by using the structure of arranging the convex spigot and the concave spigot; the male and female spigots need to be machined precisely in radial dimension, increasing the machining cost.
Disclosure of Invention
The utility model discloses a thereby solve in the current car axle because the material cost who adopts the left and right shell tang position of differential mechanism that leads to of tang location between the left and right shell of differential mechanism increases, the processing cost increase scheduling problem of weight increase, the left and right shell tang position of differential mechanism, provide a differential mechanism shell location connection structure to reduce the cost and the weight of the left and right shell of differential mechanism.
The utility model discloses an adopt following technical scheme to realize:
a differential case positioning and connecting structure comprises a driven bevel gear, a differential right case and a differential left case, and is characterized in that the differential left case is of a flange surface structure, 12 differential left case through holes are uniformly distributed on the flange surface of the differential left case at intervals, 3 differential left case blind holes are uniformly distributed on the flange surface of the differential left case at intervals, the differential right case is of a flange surface structure, differential right case through holes which are in one-to-one correspondence with the differential left case through holes are distributed on the flange surface of the differential right case, differential right case blind holes which are in one-to-one correspondence with the differential left case blind holes are distributed on the flange surface of the differential right case, driven bevel gear blind holes which are in one-to-one correspondence with the differential right case through holes and the differential left case through holes are distributed on the upper end surface of the driven bevel gear with the tooth surface orientation of the driven bevel gear as the lower part, internal threads are arranged, the shaft diameter of the right differential shell is arranged in a central hole of the driven bevel gear, the lower end face of the right differential shell is attached to the upper end face of the driven bevel gear, and a through hole of the right differential shell is aligned with a blind hole of the driven bevel gear; the three cylindrical pins are respectively pressed into three blind holes of a left differential case of the differential, the blind holes of the left differential case are aligned with the blind holes of a right differential case, and the three cylindrical pins on the left differential case are respectively pressed into the blind holes of the right differential case, so that the flange surface of the left differential case is attached to the flange surface of the right differential case; and 12 bolts respectively penetrate through the through hole of the left differential case and the through hole of the right differential case, are screwed into the internal thread of the blind hole of the driven bevel gear and are screwed tightly.
The further technical scheme is as follows:
each differential left shell blind hole is located between two adjacent differential left shell through holes.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a differential mechanism shell location connection structure, through set up the blind hole structure that corresponds each other and adopt the cylindric lock to connect on differential mechanism left side shell and differential mechanism right side shell, realize the radial positioning function of differential mechanism left side shell and differential mechanism right side shell, through set up the through-hole on differential mechanism left side shell and differential mechanism right side shell, set up the screw thread blind hole on driven bevel gear and adopt the bolt to link together differential mechanism left side shell, differential mechanism right side shell and driven bevel gear, this kind of structure is for original tang location structure, reduced the material cost and the weight of differential mechanism left and right side shell; the processing cost of the left and right shells of the differential is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is a cross-sectional view of a differential case positioning and connecting structure according to the present invention;
fig. 2 is a front view of a left differential case of the positioning and connecting structure of a differential case according to the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
fig. 4 is a front view of a right differential case of the positioning and connecting structure of the differential case according to the present invention;
FIG. 5 is a sectional view taken along line B-B of FIG. 4;
in the figure: 1. the differential mechanism comprises a driven bevel gear, 2 a differential mechanism right shell, 3 a differential mechanism left shell, 4 a cylindrical pin, 5 a bolt, 6 a differential mechanism left shell through hole, 7 a differential mechanism left shell blind hole, 8 a differential mechanism right shell through hole and 9 a differential mechanism right shell blind hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
the utility model provides a differential mechanism shell location connection structure is applied to the differential mechanism assembly, as shown in fig. 1, including driven bevel gear 1, differential mechanism right side shell 2 and differential mechanism left side shell 3.
As shown in fig. 2 and 3, the differential left case 3 is of a flange surface structure, 12 differential left case through holes 6 are uniformly distributed on the flange surface of the differential left case 3 at intervals, and 3 differential left case blind holes 7 are uniformly distributed on the flange surface of the differential left case 3 at intervals. Each differential left shell blind hole 7 is positioned between two adjacent differential left shell through holes 6.
As shown in fig. 4 and 5, the differential right housing 2 has a flange surface structure, the flange surface of the differential right housing 2 is distributed with differential right housing through holes 8 corresponding to the differential left housing through holes 6 one by one, and the flange surface of the differential right housing 2 is distributed with differential right housing blind holes 9 corresponding to the differential left housing blind holes 7 one by one.
As shown in fig. 1, the direction of the tooth surface of the driven bevel gear 1 is taken as the lower part, driven bevel gear blind holes corresponding to the differential right shell through hole 8 and the differential left shell through hole 6 one by one are distributed on the upper end surface of the driven bevel gear 1, internal threads are arranged in the driven bevel gear blind holes, the shaft diameter of the differential right shell 2 is arranged in the central hole of the driven bevel gear 1, the lower end surface of the differential right shell 2 is attached to the upper end surface of the driven bevel gear 1, and the differential right shell through hole 8 is aligned to the driven bevel gear blind holes; the three cylindrical pins 4 are respectively pressed into three differential left shell blind holes 7 of the differential left shell 3, the differential left shell blind holes 7 are aligned with the differential right shell blind holes 9, and the three cylindrical pins 4 on the differential left shell 3 are respectively pressed into three differential right shell blind holes 9 of the differential right shell 2, so that the flange surface of the differential left shell 3 is attached to the flange surface of the differential right shell 2; 12 bolts 5 respectively penetrate through a through hole 6 of the left differential case and a through hole 8 of the right differential case, are screwed into the internal threads of the blind hole of the driven bevel gear and are tightened, and the left differential case 3, the right differential case 2 and the driven bevel gear 1 are connected together.
Claims (2)
1. A differential shell positioning and connecting structure comprises a driven bevel gear (1), a differential right shell (2) and a differential left shell (3), and is characterized in that the differential left shell (3) is of a flange surface structure, 12 differential left shell through holes (6) are uniformly distributed on the flange surface of the differential left shell (3) at intervals, 3 differential left shell blind holes (7) are uniformly distributed on the flange surface of the differential left shell (3) at intervals, the differential right shell (2) is of a flange surface structure, differential right shell through holes (8) which are in one-to-one correspondence with the differential left shell through holes (6) are distributed on the flange surface of the differential right shell (2), differential right shell blind holes (9) which are in one-to-one correspondence with the differential left shell blind holes (7) are distributed on the flange surface of the differential right shell (2), and the direction of the tooth surface of the driven bevel gear (1) is taken as the lower part, driven bevel gear blind holes which are in one-to-one correspondence with the differential right shell through hole (8) and the differential left shell through hole (6) are distributed on the upper end face of the driven bevel gear (1), internal threads are arranged in the driven bevel gear blind holes, the shaft diameter of the differential right shell (2) is arranged in a central hole of the driven bevel gear (1), the lower end face of the differential right shell (2) is attached to the upper end face of the driven bevel gear (1), and the differential right shell through hole (8) is aligned to the driven bevel gear blind holes; the three cylindrical pins (4) are respectively pressed into three blind holes (7) of a left differential case (3), the blind holes (7) of the left differential case are aligned with the blind holes (9) of a right differential case, and the three cylindrical pins (4) on the left differential case (3) are respectively pressed into the blind holes (9) of the right differential case (2), so that the flange surface of the left differential case (3) is attached to the flange surface of the right differential case (2); and 12 bolts (5) respectively penetrate through the left differential case through hole (6) and the corresponding right differential case through hole (8) and then are screwed into the internal threads of the blind holes of the driven bevel gears and are screwed down.
2. The differential case positioning and connecting structure according to claim 1, wherein each differential left case blind hole (7) is located between two adjacent differential left case through holes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941780.8U CN210290642U (en) | 2019-06-21 | 2019-06-21 | Differential mechanism shell positioning and connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941780.8U CN210290642U (en) | 2019-06-21 | 2019-06-21 | Differential mechanism shell positioning and connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290642U true CN210290642U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920941780.8U Active CN210290642U (en) | 2019-06-21 | 2019-06-21 | Differential mechanism shell positioning and connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210290642U (en) |
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2019
- 2019-06-21 CN CN201920941780.8U patent/CN210290642U/en active Active
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