CN215513088U - Speed-changing hub bearing unit - Google Patents
Speed-changing hub bearing unit Download PDFInfo
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- CN215513088U CN215513088U CN202121272339.9U CN202121272339U CN215513088U CN 215513088 U CN215513088 U CN 215513088U CN 202121272339 U CN202121272339 U CN 202121272339U CN 215513088 U CN215513088 U CN 215513088U
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- gear
- bearing unit
- hub bearing
- speed change
- groove
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Abstract
Speed change hub bearing unit. The main solution is that present variable speed wheel hub bearing unit structure is more complicated, and the cost is higher and the dismouting is more troublesome. The method is characterized in that: the inner circle axial is equipped with drive groove (21), be equipped with in the drive groove and mesh mutually and first gear (31) and second gear (32), first gear with the meshing of drive inslot wall still includes transfer line (4), transfer line one end is used for being connected with transmission shaft (9) linkage, and one end stretches into be equipped with in the drive groove with third gear (33) that the second gear meshed mutually, the diameter of third gear is greater than the diameter of first gear. The utility model provides a speed-changing hub bearing unit which is simple in structure, convenient to disassemble and assemble, capable of realizing speed change and low in cost.
Description
Technical Field
The utility model relates to the field of automobile parts, in particular to a speed change hub bearing unit.
Background
The hub bearing unit is used as an important part of an automobile and is mainly used for bearing and providing accurate guidance for the rotation of the hub bearing. At present, constant velocity universal joints are generally matched with a third-generation hub bearing unit on a car, the hub bearing unit is connected with a wheel, the constant velocity universal joints are matched with an inner flange through splines, and the structure has the advantages of multiple parts, complex assembly and small turning radius of the car. With the further development of science and technology, people further improve the requirements on the integration level and compactness of car parts.
At present, some hub bearing units (such as Chinese patent with publication number CN 106763523A) which can change speed are available on the market, and have complex structures, high cost and troublesome disassembly and assembly.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the background art, the utility model provides a speed-changing hub bearing unit, which mainly solves the problems that the structure of the existing speed-changing hub bearing unit is complex, the cost is high and the assembly and disassembly are troublesome.
The technical scheme adopted by the utility model is as follows:
speed change wheel hub bearing unit, including outer lane and inner circle, the inner circle axial is equipped with the transmission groove, be equipped with looks meshing and first gear and second gear in the transmission groove, first gear with the meshing of transmission inslot wall still includes the transfer line, transfer line one end is used for being connected with the transmission shaft linkage, and one end stretches into be equipped with in the transmission groove with the third gear of second gear looks meshing, the diameter of third gear is greater than the diameter of first gear.
The transmission rod comprises a rod body, one end of the rod body is used for being connected with the transmission shaft, a convex ring is arranged on the circumferential outer wall of the other end of the rod body, and the third gear is arranged on the boss.
The third gear with form the dead slot between the body of rod, first gear one end stretches into in the dead slot, the second gear is located first gear with between the third gear.
And a spline matched with the third gear is arranged in the transmission groove.
The inner wall of the transmission groove is provided with a blocking piece which is correspondingly arranged in front of the convex ring.
And bearings for limiting are arranged in front of and behind the third gear.
And one end of the transmission groove is provided with a sealing cover in clamping fit.
The utility model has the beneficial effects that: the utility model provides a speed-changing hub bearing unit which is simple in structure, convenient to disassemble and assemble, capable of realizing speed change and low in cost.
Drawings
Figure 1 is a schematic cross-sectional view of a first embodiment of the utility model (when fitted with a tyre and a propeller shaft).
Fig. 2 is a schematic partial cross-sectional view of a second embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view at AA in FIG. 2.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which: as shown in the figure, speed change wheel hub bearing unit, including outer lane 1 and inner circle 2, the inner circle axial is equipped with drive groove 21, be equipped with in the drive groove and mesh mutually and first gear 31 and second gear 32, first gear with the meshing of drive groove inner wall still includes transfer line 4, transfer line one end is used for being connected with the linkage of transmission shaft 9, and one end stretches into be equipped with in the drive groove with second gear engaged with third gear 33, the diameter of third gear is greater than the diameter of first gear. The utility model provides a speed-changing hub bearing unit which is simple in structure, convenient to disassemble and assemble, capable of realizing speed change and low in cost.
In the present invention, as shown in the figure, the transmission rod includes a rod body 41, one end of the rod body is used for connecting with the transmission shaft, a convex ring 43 is arranged on the circumferential outer wall of the other end of the rod body, and the third gear is arranged on the boss. The first gear can be sleeved on the rod body, and the first gear and the rod body are lubricated through lubricating oil.
In the present invention, as shown in the figure, a hollow groove 44 is formed between the third gear and the rod body, one end of the first gear extends into the hollow groove, the second gear is arranged in the hollow groove, and the second gear is arranged between the first gear and the third gear. The structure is compact.
In the present invention, as shown in the figure, the transmission groove and the third gear are provided with a spline 211 which is matched with each other.
In the utility model, as shown in the figure, the inner wall of the transmission groove is provided with a blocking piece 5, and the blocking piece is correspondingly arranged in front of the convex ring. Has the function of limiting.
In the utility model, as shown in the figure, bearings 6 for limiting are arranged in front of and behind the third gear. May be a planar bearing.
In the utility model, as shown in the figure, one end of the transmission groove is provided with a sealing cover 7 in clamping fit.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (7)
1. Speed change wheel hub bearing unit, including outer lane (1) and inner circle (2), its characterized in that: the inner circle axial is equipped with drive groove (21), be equipped with in the drive groove and mesh mutually and first gear (31) and second gear (32), first gear with the meshing of drive inslot wall still includes transfer line (4), transfer line one end is used for being connected with transmission shaft (9) linkage, and one end stretches into be equipped with in the drive groove with third gear (33) that the second gear meshed mutually, the diameter of third gear is greater than the diameter of first gear.
2. The speed change hub bearing unit of claim 1, wherein: the transfer line includes the body of rod (41), body of rod one end be used for with the transmission shaft is connected, body of rod other end circumference outer wall is equipped with bulge loop (43), the third gear is located on the boss.
3. The speed change hub bearing unit of claim 2, wherein: an empty groove (44) is formed between the third gear and the rod body, one end of the first gear extends into the empty groove, the second gear is arranged in the empty groove, and the second gear is arranged between the first gear and the third gear.
4. The speed change hub bearing unit of claim 3, wherein: and a spline (211) matched with the third gear is arranged in the transmission groove.
5. The speed change hub bearing unit of claim 4, wherein: the inner wall of the transmission groove is provided with a blocking piece (5), and the blocking piece is correspondingly arranged in front of the convex ring.
6. The speed change hub bearing unit of claim 5, wherein: and a bearing (6) for limiting is arranged in front of and behind the third gear.
7. The speed change hub bearing unit of claim 6, wherein: one end of the transmission groove is provided with a sealing cover (7) matched with the transmission groove in a clamping manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121272339.9U CN215513088U (en) | 2021-06-08 | 2021-06-08 | Speed-changing hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121272339.9U CN215513088U (en) | 2021-06-08 | 2021-06-08 | Speed-changing hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215513088U true CN215513088U (en) | 2022-01-14 |
Family
ID=79807153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121272339.9U Active CN215513088U (en) | 2021-06-08 | 2021-06-08 | Speed-changing hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215513088U (en) |
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2021
- 2021-06-08 CN CN202121272339.9U patent/CN215513088U/en active Active
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