CN209925557U - Circular arc tooth-shaped meshing structure of differential lock - Google Patents
Circular arc tooth-shaped meshing structure of differential lock Download PDFInfo
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- CN209925557U CN209925557U CN201920508056.6U CN201920508056U CN209925557U CN 209925557 U CN209925557 U CN 209925557U CN 201920508056 U CN201920508056 U CN 201920508056U CN 209925557 U CN209925557 U CN 209925557U
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Abstract
The utility model relates to an arc profile of tooth meshing structure of differential lock comprises differential mechanism shell, slip meshing cover, shift fork and semi-axis. The two forked ends of the shifting fork are matched with the annular groove of the sliding meshing sleeve; the spline hole of the sliding meshing sleeve is matched with the spline shaft of the half shaft; under the pushing of the pneumatic cylinder, the shifting fork drives the sliding meshing sleeve to move along the axial direction of the half shaft; eight arc-shaped bosses distributed on the circumference of the sliding meshing sleeve are engaged with eight arc-shaped grooves distributed on the circumference of the differential shell in a jaw-type manner. The utility model discloses the circular arc profile of tooth meshing structure of differential lock carries out the tooth and inlays the formula meshing through the convex terminal surface tooth that adopts the circumference to distribute between slip meshing cover and the differential mechanism shell, reduces the machining cost of differential mechanism shell, has promoted machining efficiency.
Description
Technical Field
The utility model belongs to the technical field of the car drive axle, concretely relates to circular arc profile of tooth meshing structure of differential lock is applicable to the reduction gear assembly.
Background
In the domestic automobile driving axle, the sliding meshing sleeve and the differential shell are meshed by adopting the trapezoidal teeth distributed circumferentially, and by adopting the structure, although the tooth form of the sliding meshing sleeve can be forged and formed, the tooth form of the differential shell needs to be machined and formed, the machining process is complex, the machining cost is increased, and the machining efficiency is reduced.
Disclosure of Invention
The utility model discloses an in solving current automobile drive axle, because the trapezoidal tooth meshing that adopts the circumference to distribute between slip meshing cover and the differential case leads to the profile of tooth processing difficulty of differential case, the processing cost increases and machining efficiency reduces the scheduling problem, provides an arc profile of tooth meshing structure of differential lock, reduces the processing cost of differential case, promotes machining efficiency.
The utility model aims at realizing through the following technical scheme:
an arc tooth-shaped meshing structure of a differential lock comprises a differential shell 1, a sliding meshing sleeve 2, a shifting fork 3 and a half shaft 4. The two forked ends of the shifting fork 3 are matched with the annular groove of the sliding meshing sleeve 2; the spline hole of the sliding meshing sleeve 2 is matched with the spline shaft of the half shaft 4; under the pushing of the pneumatic cylinder, the shifting fork 3 drives the sliding meshing sleeve 2 to move along the axial direction of the half shaft 4; eight arc-shaped bosses distributed on the circumference of the sliding engagement sleeve 2 are engaged with eight arc-shaped grooves distributed on the circumference of the differential case 1 in a jaw-type manner.
Furthermore, the sliding meshing sleeve 2 is connected with the half shaft 4 by adopting a spline hole structure; an annular groove structure is adopted to be matched with the shifting fork 3; one end adopts the face tooth structure, and the face tooth is eight arc bosss that the circumference distributes, meshes with 1 jaw type of differential mechanism shell.
Eight arc grooves distributed circumferentially are adopted on the end surface of the bearing diameter of the differential case 1, and the arc groove structure is easy to process and is engaged with the sliding engaging sleeve 2 in a jaw type.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the circular arc profile of tooth meshing structure of differential lock carries out the tooth and inlays the formula meshing through the convex terminal surface tooth that adopts the circumference to distribute between slip meshing cover and the differential mechanism shell, reduces the machining cost of differential mechanism shell, has promoted machining efficiency.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is a view of a reducer assembly, which is an application position of a circular-arc tooth-shaped meshing structure of a differential lock according to the present invention;
fig. 2a is a front view of a sliding meshing sleeve of an arc tooth-shaped meshing structure of a differential lock according to the present invention;
fig. 2b is a cross-sectional view of the sliding meshing sleeve of the circular-arc tooth-shaped meshing structure of the differential lock according to the present invention;
fig. 3a is a front view of a differential case of a circular-arc tooth-shaped meshing structure of a differential lock according to the present invention;
fig. 3b is a cross-sectional view of the differential case of the circular-arc tooth-shaped meshing structure of the differential lock of the present invention.
In the figure, 1, a differential shell 2, a sliding meshing sleeve 3, a shifting fork 4 and a half shaft.
Detailed Description
The invention is further elucidated with reference to the drawing.
As shown in figure 1, the arc tooth-shaped meshing structure of the differential lock is applied to a speed reducer assembly, and the two fork-shaped ends of a shifting fork 3 are matched with an annular groove of a sliding meshing sleeve 2; the spline hole of the sliding meshing sleeve 2 is matched with the spline shaft of the half shaft 4; under the pushing of the pneumatic cylinder, the shifting fork 3 drives the sliding meshing sleeve 2 to move along the axial direction of the half shaft 4; eight arc-shaped bosses distributed on the circumference of the sliding engagement sleeve 2 are engaged with eight arc-shaped grooves distributed on the circumference of the differential case 1 in a jaw-type manner.
As shown in fig. 2, the novel sliding meshing sleeve adopts a spline hole structure and is connected with the half shaft 4; an annular groove structure is adopted to be matched with the shifting fork 3; one end adopts the face tooth structure, and the face tooth is eight arc bosss that the circumference distributes, meshes with 1 jaw type of differential mechanism shell.
As shown in figure 3, eight arc grooves distributed circumferentially are adopted on the end surface of the bearing diameter of the novel differential case, and the arc groove structure is easy to process and is engaged with the sliding engaging sleeve 2 in a jaw type.
Claims (3)
1. The utility model provides an arc profile of tooth meshing structure of differential lock which characterized in that: consists of a differential case (1), a sliding meshing sleeve (2), a shifting fork (3) and a half shaft (4);
the two forked ends of the shifting fork (3) are matched with the annular groove of the sliding meshing sleeve (2); the spline hole of the sliding meshing sleeve (2) is matched with the spline shaft of the half shaft (4); the shifting fork (3) can drive the sliding meshing sleeve (2) to move along the axial direction of the half shaft (4) under the pushing of the pneumatic cylinder; eight arc-shaped bosses distributed on the circumference of the sliding meshing sleeve (2) are engaged with eight arc-shaped grooves distributed on the circumference of the differential shell (1) in a jaw-type manner.
2. The circular arc tooth-shaped meshing structure of a differential lock as claimed in claim 1, wherein: the sliding meshing sleeve (2) is provided with a spline hole connected with the half shaft (4) and an annular groove matched with the shifting fork (3); one end of the sliding meshing sleeve (2) adopts a face tooth structure, and the face teeth are eight arc-shaped bosses distributed circumferentially and meshed with the differential case (1) in a jaw type.
3. The circular arc tooth-shaped meshing structure of a differential lock as claimed in claim 1, wherein: eight arc grooves distributed circumferentially are adopted on the end surface of the bearing diameter of the differential case (1), and the arc grooves are engaged with the sliding engaging sleeve (2) in a jaw type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508056.6U CN209925557U (en) | 2019-04-16 | 2019-04-16 | Circular arc tooth-shaped meshing structure of differential lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508056.6U CN209925557U (en) | 2019-04-16 | 2019-04-16 | Circular arc tooth-shaped meshing structure of differential lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209925557U true CN209925557U (en) | 2020-01-10 |
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ID=69073573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920508056.6U Active CN209925557U (en) | 2019-04-16 | 2019-04-16 | Circular arc tooth-shaped meshing structure of differential lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209925557U (en) |
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2019
- 2019-04-16 CN CN201920508056.6U patent/CN209925557U/en active Active
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