CN116608240A - Hub coupled with shaft and processing method thereof - Google Patents
Hub coupled with shaft and processing method thereof Download PDFInfo
- Publication number
- CN116608240A CN116608240A CN202210118794.6A CN202210118794A CN116608240A CN 116608240 A CN116608240 A CN 116608240A CN 202210118794 A CN202210118794 A CN 202210118794A CN 116608240 A CN116608240 A CN 116608240A
- Authority
- CN
- China
- Prior art keywords
- hub
- spline teeth
- notches
- sides
- internal spline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003672 processing method Methods 0.000 title abstract description 7
- 230000009977 dual effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000008093 supporting effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/30—Flywheels
- F16F15/315—Flywheels characterised by their supporting arrangement, e.g. mountings, cages, securing inertia member to shaft
- F16F15/3153—Securing inertia members to the shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
Abstract
The application relates to a hub coupled with a shaft and a processing method thereof. The hub can be applied to a dual mass flywheel, the hub comprising: a hub body having a ring shape; the inner spline teeth are arranged on the inner surface of the hub main body, the number of the inner spline teeth is a plurality of, and the inner spline teeth are used for being in transmission fit with the outer spline teeth of the shaft; wherein, be located the breach in the circumference both sides of at least one internal spline tooth on the hub main part, the breach extends along the axial of hub main part, the part between the breach of the internal spline tooth that both sides were equipped with the breach is along the radial inwards slope of hub main part for with the external spline tooth laminating of axle. The hub with the internal spline and the processing method thereof have simple assembly and can avoid noise in the idling process.
Description
Technical Field
The application relates to the technical field of dual-mass flywheels. More particularly, the present application relates to a hub coupled with a shaft for a dual mass flywheel and a method of manufacturing the same.
Background
The double-mass flywheel with the internal spline is used for being matched with the shaft with the external spline, torque can be transmitted between the shaft and the double-mass flywheel through the matching of the internal spline and the external spline, and gaps still exist after the internal spline and the external spline are matched for assembly, so that under the working condition of idling of the whole vehicle, the internal spline and the external spline can be knocked and collide to generate noise, the matching gaps can be reduced through reducing the machining tolerance, the machining tolerance can be reduced, the machining difficulty is caused, the cost and the rejection rate are improved, and meanwhile, the assembly of the internal spline and the external spline can be difficult.
Disclosure of Invention
The present application is directed to a hub for a dual mass flywheel, which is simple to assemble and can prevent noise from being generated during idle speed, and a method of manufacturing the same.
The present application provides a hub coupled with a shaft, the hub being capable of being applied to a dual mass flywheel, the hub comprising:
a hub body having a ring shape;
the inner spline teeth are arranged on the inner surface of the hub main body, the number of the inner spline teeth is a plurality of, and the inner spline teeth are used for being in transmission fit with the outer spline teeth of the shaft;
the hub comprises a hub body, wherein notches are formed in two sides of the circumference of at least one inner spline tooth, the notches extend along the axial direction of the hub body, and parts, located between the notches, of the inner spline teeth provided with the notches are inclined inwards along the radial direction of the hub body so as to be used for being attached to outer spline teeth of the shaft.
According to an embodiment of the application, the notch is located at the first end of the hub body.
According to an embodiment of the present application, the thickness of the first end of the internal spline teeth provided with the notches at both sides is smaller than the thickness of the second end, and the second end and the first end are both ends of the hub main body in the axial direction.
According to an embodiment of the application, the notches are provided on both sides of the hub body in the circumferential direction of one of the internal spline teeth.
According to the embodiment of the application, the notches are arranged on the two sides of the hub main body in the circumferential direction of two of the internal spline teeth; the two internal spline teeth are disposed opposite along the diameter of the hub body.
According to an embodiment of the present application, the notches are provided on both sides of the hub main body in the circumferential direction of the plurality of the internal spline teeth therein; the plurality of internal spline teeth are uniformly distributed along the circumference of the hub body.
The application also provides a processing method of the hub with the internal spline, which comprises the following steps:
step one: machining a plurality of internal spline teeth on an inner surface of the hub body;
step two: machining axially extending notches in the hub body on both sides of the circumference of at least one of the internal spline teeth;
step three: and bending the parts, between the notches, of the internal spline teeth, which are provided with the notches at the two sides, inwards along the radial direction of the hub main body.
According to an embodiment of the present application, in step three: and bending the parts, between the notches, of the internal spline teeth, which are provided with the notches at two sides, inwards along the radial direction of the hub main body by stamping.
According to an embodiment of the present application, in step three: before bending, the parts, between the notches, of the internal spline teeth, which are provided with the notches at the two sides, are thinned.
In the hub with the internal spline and the processing method thereof, the hub comprises a hub main body and internal spline teeth, the internal spline teeth are used for being in transmission fit with external spline teeth of a shaft, notches are formed in two sides of the hub main body, which are positioned in the circumferential direction of at least one internal spline tooth, the notches extend along the axial direction of the hub main body, parts, positioned between the notches, of the internal spline teeth, which are positioned in the two sides, incline inwards along the radial direction of the hub main body, and when the hub is assembled to the shaft, the parts, positioned between the notches, of the internal spline teeth, which are positioned in the two sides, incline inwards along the radial direction of the hub main body, are attached to the external spline teeth of the shaft, namely zero clearance fit. During idle speed working condition, the internal spline teeth and the external spline teeth can not be knocked or collided, noise is avoided, when torque is increased, the parts between the notches of the internal spline teeth are slightly deformed due to the notches, and all the internal spline teeth and the external spline teeth are normally matched for smooth transmission.
Drawings
FIG. 1 is an axial schematic view of a hub having internal splines in an embodiment of the present application;
FIG. 2 is a cross-sectional view of a hub having internal splines in an embodiment of the present application;
FIG. 3 is an axial schematic view of a hub having internal splines in accordance with another embodiment of the present application;
FIG. 4 is a cross-sectional view of a hub having internal splines in another embodiment of the present application.
10-a hub body, 11-a first end, 12-a second end,
20-internal spline teeth,
30-notch.
Detailed Description
Specific embodiments according to the present application will be described below with reference to the accompanying drawings. The following detailed description and the accompanying drawings are provided to illustrate the principles of the application and not to limit the application to the preferred embodiments described, the scope of which is defined by the claims.
As shown in fig. 1-4, embodiments of the present application provide a hub with internal splines that can be applied to a dual mass flywheel that can be drive fitted with a shaft with external splines to transfer torque between the shaft and the dual mass flywheel.
The hub includes a hub body 10 and internal spline teeth 20, the hub body 10 may be ring-shaped, the internal spline teeth 20 are provided on an inner surface of the hub body 10, and the internal spline teeth 20 may be integrally provided with the hub body 10.
The number of the internal spline teeth 20 is plural, the plural internal spline teeth 20 are uniformly arranged on the inner surface of the hub main body 10, and the plural internal spline teeth 20 together constitute the internal spline of the hub.
The number of the external spline teeth of the shaft is plural, and the plural external spline teeth can be uniformly arranged on the outer surface of the shaft. The internal spline teeth 20 of the hub are adapted to drivingly mate with the external spline teeth of the shaft to transfer torque between the shaft and the dual mass flywheel.
Wherein, be located the both sides of the circumference of at least one internal spline tooth 20 on the hub main part 10 and be equipped with breach 30, namely, the tooth bottom of internal spline tooth 20 is equipped with breach 30, breach 30 extends along the axial of hub main part 10, the both sides are equipped with the inside spline tooth 20 of breach 30 be located the inside slope of radial along hub main part 10 between breach 30 for with the external spline tooth laminating of axle, can realize gapless cooperation with the external spline tooth of axle, avoid taking place to strike, collide, avoid producing the noise.
When the dual mass flywheel is assembled to the shaft, after the parts of the internal spline teeth 20, which are provided with the notches 30 at both sides, between the notches 30 incline inwards in the radial direction of the hub main body 10, the parts are attached to the external spline teeth of the shaft, and under the supporting action of the internal spline teeth 20 inclining inwards in the radial direction, no gap exists between the internal spline teeth 20 and the external spline teeth in idle working conditions, so that knocking and collision cannot occur, noise is avoided, and when the torque increases, due to the notches 30, the internal spline teeth 20 between the notches 30 generate slight elastic deformation, and all the internal spline teeth 20 and the external spline teeth are matched normally to realize stable transmission.
As shown in fig. 2 and 4, in the embodiment of the present application, the hub main body 10 has a first end 11 and a second end 12, and the second end 12 and the first end 11 are two ends of the hub main body 10 in the axial direction; the notch 30 is located at the first end 11 of the hub body 10. Due to the arrangement of the notches 30, the parts, between the notches 30, of the inner spline teeth 20 with the notches 30 on the two circumferential sides can incline inwards along the radial direction of the hub main body 10, and can be attached to the outer spline teeth of the shaft after being inclined, and after the inner spline teeth 20 of the dual mass flywheel are attached to the outer spline teeth of the shaft, under the supporting action of the inner spline teeth 20 inclining inwards along the radial direction in idle working conditions, the inner spline teeth 20 and the outer spline teeth cannot knock and collide, so that noise is avoided. And, when the torque increases, the portion between the notches 30 of the internal spline teeth 20 will be slightly elastically deformed due to the provision of the notches 30, and all of the internal spline teeth 20 and the external spline teeth will be normally engaged to smoothly transmit, thereby entering a normal transmission process.
As shown in fig. 4, the thickness of the first end 11 of the internal spline teeth 20 provided with notches 30 on both sides is smaller than the thickness of the second end 12, that is, the portion of the internal spline teeth 20 provided with notches 30 on both sides between the notches 30 is thinned, and the thickness of the first end 11 of the internal spline teeth 20 provided with notches 30 on both sides is smaller than the thickness of the second end 12, so that the portion of the internal spline teeth 20 provided with notches 30 on both sides between the notches 30 is bent inward in the radial direction of the hub body 10, so that the portion of the internal spline teeth 20 provided with notches 30 on both sides between the notches 30 is inclined inward in the radial direction of the hub body 10.
In the embodiment of the present application, the notches 30 may be provided only on both sides of the hub main body 10 in the circumferential direction of one of the internal spline teeth 20. That is, only through the portion of one of the internal spline teeth 20 located between the notches 30 is inclined inward in the radial direction of the hub main body 10 to be fitted with the external spline teeth of the shaft for support, so long as there is one internal spline tooth 20 for support, during idle operation, the internal spline teeth 20 and the external spline teeth will not be knocked or bumped, avoiding noise.
As shown in fig. 1 and 3, in the embodiment of the present application, notches 30 may be provided on both sides of the hub body 10 in the circumferential direction of two of the internal spline teeth 20; the two internal spline teeth 20 are disposed opposite to each other along the diameter of the hub main body 10, and the two internal spline teeth 20 are spaced apart 180 ° in the circumferential direction of the hub main body 10. That is, through the relative inward tilt of two relative internal spline that set up to laminate with the external spline tooth of axle, in order to support, consequently, laminate with the external spline tooth of axle in two relative positions, in order to support, when idle speed operating mode, the more stable of supporting between internal spline tooth 20 and the external spline tooth can not take place to strike, collide, avoid producing the noise.
In the embodiment of the present application, notches 30 may be provided on both sides of the hub main body 10 in the circumferential direction of the plurality of internal spline teeth 20 therein; the plurality of internal spline teeth 20 are uniformly distributed along the circumferential direction of the hub body 10. That is, through a plurality of internal spline relatively inwards slope of circumference evenly distributed to laminate with the external spline tooth of axle, in order to support, consequently, can laminate with the external spline tooth of axle in a plurality of positions, in order to support, when idle speed operating mode, the internal spline tooth 20 and external spline tooth between support more stable, can not take place to strike, collide, avoid producing the noise.
Alternatively, the hub body 10 may be provided with notches 30 on both sides of the three internal spline teeth 20 in the circumferential direction thereof, and the three internal spline teeth 20 are uniformly distributed in the circumferential direction of the hub body 10, that is, the three internal spline teeth 20 are spaced apart by 120 ° in the circumferential direction of the hub body 10.
The embodiment of the application also provides a processing method of the hub with the internal spline, which comprises the following steps:
step one: machining a plurality of internal spline teeth 20 on an inner surface of the hub main body 10; the internal spline teeth 20 are adapted for driving engagement with the external spline teeth of the shaft.
Step two: axially extending notches 30 are machined in the hub body 10 on either side of the circumference of the at least one internal spline tooth 20.
Step three: the portions of the internal spline teeth 20 provided with notches 30 on both sides between the notches 30 are bent inward in the radial direction of the hub main body 10. The portions of the internal spline teeth 20 having notches 30 on both sides thereof between the notches 30 may be bent inward in the radial direction of the hub body 10 by means of stamping such that the portions of the internal spline teeth 20 having notches 30 on both sides thereof between the notches 30 are inclined inward in the radial direction of the hub body 10 for fitting with the external spline teeth of the shaft.
Before bending, the portions of the internal spline teeth 20 provided with the notches 30 on both sides between the notches 30 are thinned. After the portion is thinned, the rigidity of the portion of the internal spline teeth 20 can be reduced, facilitating the bending inward of the portion of the internal spline teeth 20, which are provided with notches 30 on both sides, between the notches 30 in the radial direction of the hub main body 10.
In addition, after the portions of the internal spline teeth 20 having the notches 30 on both sides thereof located between the notches 30 are thinned, the portions of the internal spline teeth 20 having the notches 30 on both sides thereof located between the notches 30 may be bent inward in the radial direction of the hub main body 10 by punching.
The application also includes an assembly comprising a hub employing the hub of the application and a shaft having internally splined teeth and externally splined teeth that are rotationally engaged with the externally splined teeth when the hub is coupled to the shaft for transmitting torque between the hub and the shaft. Wherein, when the dual mass flywheel is assembled to the shaft, the portions of the inner spline teeth 20 provided with the notches 30 at both sides between the notches 30 are fitted with the outer spline teeth of the shaft after being inclined inward in the radial direction of the hub main body 10, thereby eliminating the circumferential gap between the inner spline teeth 20 provided with the notches 30 at both sides and the corresponding outer spline teeth.
The hub with the internal spline machined by the machining method of the hub with the internal spline can be applied to a dual-mass flywheel, when the dual-mass flywheel is assembled to a shaft, the parts, between the notches 30, of the internal spline teeth 20 with the notches 30 on two sides are attached to the external spline teeth of the shaft after being inclined inwards in the radial direction of the hub main body 10, and under the supporting effect of the internal spline teeth 20 inclined inwards in the radial direction, the internal spline teeth 20 and the external spline teeth cannot be knocked and collide under the idling working condition, noise is avoided, and when the torque is increased, the parts, between the notches 30 of the internal spline teeth 20, of all the internal spline teeth 20 and the external spline teeth are normally matched for smooth transmission due to the notches 30.
As described above, although the exemplary embodiments of the present application have been described in the specification with reference to the accompanying drawings, the present application is not limited to the above-described specific embodiments, and the scope of the present application should be defined by the claims and their equivalents.
Claims (10)
1. A hub having internal splines, the hub comprising:
a hub main body (10) which is annular;
the inner spline teeth (20) are arranged on the inner surface of the hub main body (10), the number of the inner spline teeth (20) is a plurality, and the inner spline teeth (20) are used for being in transmission fit with the outer spline teeth of the shaft;
the hub comprises a hub body (10), wherein notches (30) are formed in two sides of the circumference of at least one inner spline tooth (20), the notches (30) extend along the axial direction of the hub body (10), and parts, located between the notches (30), of the inner spline teeth (20) provided with the notches (30) on two sides can incline inwards along the radial direction of the hub body (10) so as to be used for being attached to outer spline teeth of the shaft.
2. Hub with internal splines according to claim 1, characterized in that the notch (30) is located at the first end (11) of the hub body (10).
3. Hub with internal splines according to claim 2, characterized in that the radial thickness of the first end (11) of the internal spline teeth (20) provided with said notches (30) on both sides is smaller than the radial thickness of the second end (12), the second end (12) and the first end (11) being axially opposite ends of the hub body (10); and/or the radial thickness of the internal spline teeth (20) provided with the notches (30) on two sides is smaller than the radial thickness of the internal spline teeth (20) which are positioned on two sides of the first end (11) and are not provided with the notches (30).
4. Hub with internal splines according to claim 1, characterized in that said notches (30) are provided on said hub body (10) on both sides of the circumference of one of said internal spline teeth (20); alternatively, the two circumferential sides of each of the two internal spline teeth (20) of the hub main body (10) are provided with the notches (30), and the two internal spline teeth (20) are oppositely arranged along the diameter of the hub main body (10); alternatively, the notches (30) are provided on both sides in the circumferential direction of each of the plurality of internal spline teeth (20) of the hub main body (10), and the plurality of internal spline teeth (20) are uniformly distributed in the circumferential direction of the hub main body (10).
5. A hub with internal splines according to any of claims 1-4, characterized in that the length of the gap (30) extending in the axial direction of the hub body (10) is 2% -30%, preferably 3% -10%, preferably 5% of the length of the axial extension of the hub body (10).
6. The internally splined hub of any one of claims 1 to 5, wherein the hub can be applied to a dual mass flywheel.
7. An assembly comprising a hub according to any one of claims 1 to 6 and a shaft having externally splined teeth, the internally splined teeth being in anti-torque engagement with the externally splined teeth when the hub is coupled with the shaft for transmitting torque between the hub and the shaft; when the hub is assembled to the shaft, the parts, between the notches, of the inner spline teeth provided with the notches on the two sides are attached to the outer spline teeth of the shaft after being inclined inwards in the radial direction of the hub main body, so that the circumferential gaps between the inner spline teeth provided with the notches on the two sides and the corresponding outer spline teeth can be eliminated.
8. A method of machining a hub having internal splines as claimed in any one of claims 1 to 6, comprising the steps of:
step one: machining a plurality of internal spline teeth (20) on the inner surface of the hub main body (10);
step two: -machining axially extending notches (30) on both circumferential sides of at least one of the internal spline teeth (20) on the hub body (10);
step three: and bending the parts of the internal spline teeth (20) with the notches (30) at two sides and positioned between the notches (30) inwards along the radial direction of the hub main body (10).
9. The method of claim 8, wherein in step three: the parts of the internal spline teeth (20) provided with the notches (30) on both sides and located between the notches (30) are bent inward in the radial direction of the hub main body (10) by punching.
10. The method of claim 8 or 9, wherein in step three: before bending, the parts of the internal spline teeth (20) provided with the notches (30) on two sides and positioned between the notches (30) are thinned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210118794.6A CN116608240A (en) | 2022-02-08 | 2022-02-08 | Hub coupled with shaft and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210118794.6A CN116608240A (en) | 2022-02-08 | 2022-02-08 | Hub coupled with shaft and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116608240A true CN116608240A (en) | 2023-08-18 |
Family
ID=87678746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210118794.6A Pending CN116608240A (en) | 2022-02-08 | 2022-02-08 | Hub coupled with shaft and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116608240A (en) |
-
2022
- 2022-02-08 CN CN202210118794.6A patent/CN116608240A/en active Pending
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