CN212479948U - Disk hub convenient to processing equipment - Google Patents
Disk hub convenient to processing equipment Download PDFInfo
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- CN212479948U CN212479948U CN202020998180.8U CN202020998180U CN212479948U CN 212479948 U CN212479948 U CN 212479948U CN 202020998180 U CN202020998180 U CN 202020998180U CN 212479948 U CN212479948 U CN 212479948U
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- cylinder
- conical surface
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- hub
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Abstract
The utility model belongs to the technical field of the clutch accessory, especially, relate to a dish hub convenient to processing equipment. It has solved the low scheduling problem of prior art machining efficiency. This dish hub convenient to processing equipment includes the cylinder, and connect the flange in cylinder one end, the one end terminal surface of keeping away from the cylinder at the flange is connected with the guide cylinder, the one end inner wall that is equipped with the flange at the cylinder is equipped with the circular arc chamfer, be equipped with the internal cone face and the great diameter end and the circular arc chamfer of internal cone face are connected at the inner wall middle part of cylinder, the one end of keeping away from the circular arc chamfer at the inner wall of cylinder is equipped with the face of cylinder and the face of cylinder is connected with the less diameter end of internal cone face, the inner wall at the guide cylinder is equipped with conical surface one, and the excessive concave surface of arc is passed through to conical surface one less diameter end and is connected with the circular arc chamfer, outer conical surface is equipped with at the outer wall of guide cylinder. The application has the advantages that: the subsequent machining efficiency can be improved.
Description
Technical Field
The utility model belongs to the technical field of the clutch accessory, especially, relate to a dish hub convenient to processing equipment.
Background
The hub is an important fitting in the clutch.
The inner wall of the existing hub is a cylindrical surface, namely, a cylindrical surface with equal inner diameter, and then gear shaping is carried out on the cylindrical surface so as to be beneficial to the subsequent connection and meshing of the hub and a shaft.
The existing hub has some defects:
due to the structure of the cylindrical surface, the insertion of a gear shaft is inconvenient, the processing efficiency is influenced, and secondly, as in the Chinese patent CN201811156426.0, the hub of the EPSE power-assisted system and the manufacturing process thereof comprise a hub finished product, wherein the hub finished product consists of a hub main body, a central hole, an assembling boss and a concave ring, the central hole is arranged in the middle of the hub main body, the scheme utilizes the cylindrical assembling boss for assembling, the positioning must be formed by depending on the corresponding end surface of the hub main body, the contact surface is large, and the assembling efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a dish hub of being convenient for processing equipment that designs more rationally is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal: this dish hub convenient to processing equipment includes the cylinder, and connect the flange in cylinder one end, the one end terminal surface of keeping away from the cylinder at the flange is connected with the guide cylinder, the one end inner wall that is equipped with the flange at the cylinder is equipped with the circular arc chamfer, be equipped with the internal cone face and the great diameter end and the circular arc chamfer of internal cone face are connected at the inner wall middle part of cylinder, the one end of keeping away from the circular arc chamfer at the inner wall of cylinder is equipped with the face of cylinder and the face of cylinder is connected with the less diameter end of internal cone face, the inner wall at the guide cylinder is equipped with conical surface one, and the excessive concave surface of arc is passed through to conical surface one less diameter end and is connected with the circular arc chamfer, outer conical surface is equipped with at the outer wall of guide cylinder.
In the above hub convenient to machine and assemble, the circular cylinder, the flange and the guide cylinder are connected into an integral structure through forging.
In the above-mentioned disk hub convenient for processing and assembling, the axis of the circular cylinder coincides with the axis of the guide cylinder.
In the above hub which is easy to machine and assemble, the length of the inner conical surface is longer than that of the cylindrical surface.
In the above-mentioned hub convenient to process and assemble, a plurality of outward protrusions uniformly distributed circumferentially are arranged in the circumferential direction of the flange.
In the above-described hub which facilitates the manufacturing assembly, the circular cylinder length is longer than the guide cylinder length.
Compared with the prior art, this hub convenient to processing equipment's advantage lies in:
the conical surface I and the outer conical surface can reduce the contact surface between the assembly and other parts, and meanwhile, the conical surface I and the outer conical surface can realize self-positioning and invisibly improve the assembly efficiency.
The circular arc chamfer forms the direction, and the smooth of the gear shaping axle of its can being convenient for of internal conical surface inserts, to the gear shaping that forms on the internal conical surface inner wall, its because the tapering design of internal conical surface, its effective contact surface that can ensure the gear shaping to and the structural strength of gear shaping, satisfy subsequent intensity operation requirement equally, simultaneously, the follow-up external tooth axle that has of can also being convenient for of this kind of design inserts and meshes with the gear shaping, has improved packaging efficiency and production machining efficiency.
Drawings
Fig. 1 is a schematic structural diagram provided by the present invention.
Fig. 2 is a schematic view of a top view structure provided by the present invention.
Fig. 3 is a schematic view of the disk hub and the shaft provided by the present invention before being preassembled.
In the figure, a circular cylinder 1, an arc chamfer 10, an inner conical surface 11, a cylindrical surface 12, a flange 2, an outer convex part 20, a guide cylinder 3, a first conical surface 30, an arc transition concave surface 31 and an outer conical surface 32.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in FIG. 1, the hub for easy assembly comprises a circular cylinder 1 and a flange 2 connected to one end of the circular cylinder 1.
The end face of one end, far away from the circular cylinder 1, of the flange 2 is connected with the guide cylinder 3, and the circular cylinder 1, the flange 2 and the guide cylinder 3 are connected into an integral structure through forging. The length of the round tube 1 is longer than that of the guide tube 3. Avoid 3 length of guide cylinder to be longer and influence overall structure intensity to and follow-up and have the assembly efficiency of external tooth axle.
As shown in fig. 1 and 3, in order to facilitate machining of the inner gear, an inner wall of one end of the circular cylinder 1, which is provided with the flange 2, is provided with an arc chamfer 10, an inner conical surface 11 is arranged in the middle of the inner wall of the circular cylinder 1, the larger diameter end of the inner conical surface 11 is connected with the arc chamfer 10, one end of the inner wall of the circular cylinder 1, which is far away from the arc chamfer 10, is provided with a cylindrical surface 12, and the cylindrical surface 12 is connected with the smaller diameter end of the inner conical surface 11. The arc chamfer 10 forms the direction, and the smooth of the gear shaping axle that can be convenient for of interior conical surface 11 inserts, to the gear shaping that forms on interior conical surface 11 inner wall, its because the tapering design of interior conical surface 11, it can ensure the effective contact surface of gear shaping to and the structural strength of gear shaping, satisfy subsequent intensity operation requirement equally, simultaneously, the follow-up external tooth axle that has of can also being convenient for of this kind of design inserts and meshes with the gear shaping, has improved packaging efficiency and production machining efficiency.
Secondly, the length of the inner conical surface 11 is longer than the length of the cylindrical surface 12. An effective contact surface of the gear shaping and the toothed shaft with external toothing can be ensured.
The inner wall of the guide cylinder 3 is provided with a first conical surface 30, the smaller diameter end of the first conical surface 30 is connected with the arc chamfer 10 through an arc transition concave surface 31, the outer wall of the guide cylinder 3 is provided with an outer conical surface 32, and the wall thickness of the guide cylinder 3 is gradually reduced from the flange 2 end to the end far away from the flange 2.
This application has two kinds of location, promptly, outer conical surface 32 and conical surface 30, no matter which location, through conical surface it can realize axial from the location, can reduce the contact surface and influence the assembly degree of difficulty, promptly, can effectively restrict to have the degree of depth that external tooth axle inserted to the gear shaping in, play limiting displacement.
Of course, the outer wall with the external tooth socket can be provided with a limiting positioning surface matched with the conical surface one 30 or the external conical surface 32.
Preferably, the axis of the circular cylinder 1 and the axis of the guide cylinder 3 of the present embodiment coincide.
As shown in fig. 2, a plurality of outward protrusions 20 are provided in the circumferential direction of the flange 2 so as to be circumferentially uniformly distributed. The number of the convex portions 20 is four, and at the later stage, when the flange hole is processed, only one convex portion 20 is required to be arranged at a position equivalent to the position of the convex portion 20, and the structural strength of the position where the flange hole is arranged can be ensured by the convex portion 20.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A hub convenient for processing and assembling comprises a circular cylinder (1) and a flange (2) connected to one end of the circular cylinder (1), and is characterized in that a guide cylinder (3) is connected to the end face of one end, far away from the circular cylinder (1), of the flange (2), an arc chamfer (10) is arranged on the inner wall of one end, provided with an inner conical surface (11) in the middle of the inner wall of the circular cylinder (1), the larger diameter end of the inner conical surface (11) is connected with the arc chamfer (10), a cylindrical surface (12) is arranged at one end, far away from the arc chamfer (10), of the inner wall of the circular cylinder (1), the cylindrical surface (12) is connected with the smaller diameter end of the inner conical surface (11), a conical surface I (30) is arranged on the inner wall of the guide cylinder (3), and the smaller diameter end of the conical surface I (30) is connected with the arc chamfer (10) through, an outer conical surface (32) is arranged on the outer wall of the guide cylinder (3), and the wall thickness of the guide cylinder (3) is gradually reduced from the flange (2) end to the end far away from the flange (2).
2. A hub convenient to machine and assemble according to claim 1, wherein the circular cylinder (1), the flange (2) and the guide cylinder (3) are connected into a whole structure by forging.
3. A hub for facilitating assembly according to claim 1, wherein the axis of the circular cylinder (1) coincides with the axis of the guiding cylinder (3).
4. A hub for facilitating tooling assembly according to claim 1 wherein the length of the internal conical surface (11) is longer than the length of the cylindrical surface (12).
5. A hub facilitating assembly and manufacture according to claim 1, wherein the flange (2) is provided with a plurality of circumferentially evenly distributed protrusions (20) in the circumferential direction.
6. Hub facilitating tooling assembly according to claim 1, wherein the circular cylinder (1) has a length longer than the length of the guiding cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998180.8U CN212479948U (en) | 2020-06-03 | 2020-06-03 | Disk hub convenient to processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998180.8U CN212479948U (en) | 2020-06-03 | 2020-06-03 | Disk hub convenient to processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212479948U true CN212479948U (en) | 2021-02-05 |
Family
ID=74447508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020998180.8U Active CN212479948U (en) | 2020-06-03 | 2020-06-03 | Disk hub convenient to processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212479948U (en) |
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2020
- 2020-06-03 CN CN202020998180.8U patent/CN212479948U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Haiyan County of Jiaxing City, Zhejiang province 314311 Shendang Town Industrial Park Patentee after: Zhejiang Sanwei Datong Precision Forging Co.,Ltd. Address before: Haiyan County of Jiaxing City, Zhejiang province 314311 Shendang Town Industrial Park Patentee before: ZHEJIANG 3D DATONG COLD EXTRUSION Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |