CN214036755U

CN214036755U - Hydraulic torque converter guide wheel of axial one-way clutch

Info

Publication number: CN214036755U
Application number: CN202022816116.6U
Authority: CN
Inventors: 邱毅凡; 陈祥
Original assignee: HASCO Powertrain Components Systems Shanghai Co Ltd
Current assignee: HASCO Powertrain Components Systems Shanghai Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-24
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a hydraulic torque converter guide wheel of an axial one-way clutch, which comprises a driving shell, a disc spring, a clutch disc and a torsion bearing disc, wherein the driving shell is pressed into the inner cavity of the guide wheel shell in an interference fit manner, so that the torsion bearing connection of the axial one-way clutch and the guide wheel is realized; the disc spring, the clutch disc and the torsion bearing disc are axially arranged in the inner cavity of the driving shell; at least one circle of clutch claws are arranged on the clutch disc, and the number of the clutch claws in each circle is any number of the clutch claws arranged in the radial direction; the torsion-bearing disc is provided with torsion-bearing grooves with the number corresponding to that of the clutch disc, and the number of the torsion-bearing grooves in each circle corresponds to that of the clutch claws; the external diameter department of spline has arranged the spline external tooth, and it corresponds with the internal tooth quantity of holding the torsion dish, realizes the torque transmission. The utility model has the advantages that have bigger ability of turning round in same space, equal turning round requires down, reduces the use in axial and radial space.

Description

Hydraulic torque converter guide wheel of axial one-way clutch

Technical Field

The utility model relates to a torque converter hydraulic element technical field, in particular to axial one way clutch's torque converter guide pulley.

Background

The hydraulic torque converter is mainly applied to a power assembly system of an automatic transmission automobile, is arranged on a part between an engine and a gearbox, and provides functions of vibration reduction, noise reduction, power transmission and torque conversion for the automobile.

In the hydraulic torque converter, a guide wheel is one of main components of three hydraulic components of the hydraulic torque converter, so that the hydraulic torque converter can realize the function of torque conversion, and the one-way clutches used in the existing guide wheel are basically in the structural forms of radial one-way clutches such as a ball type clutch and a wedge type clutch, and have the defects of more parts, complex assembly, low torque capacity and the like. This is where the application needs to be focused on.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an axial one way clutch's torque converter guide pulley is provided, realize bigger holding in equal space and turn round the ability, or turn round the use that requires to reduce axial and radial space at equal holding, reduced the quantity of part in the guide pulley, reduced the assembly degree of difficulty.

In order to solve the technical problem, the utility model provides an axial one way clutch's torque converter guide pulley, include

The axial one-way clutch comprises a driving shell, a disc spring, a clutch disc and a torsion bearing disc;

the driving shell is pressed into an inner cavity of the guide wheel shell in an interference fit mode, and the axial one-way clutch is connected with the guide wheel in a torque bearing mode;

the disc spring, the clutch disc and the torsion bearing disc are axially arranged in the inner cavity of the driving shell;

the clutch disc is provided with at least one circle of clutch claws, and the number of the clutch claws in each circle is any number of the clutch claws arranged in the radial direction;

the torsion bearing disc is provided with torsion bearing grooves with the number corresponding to that of the clutch disc, and the number of the torsion bearing grooves in each circle corresponds to that of the clutch claws;

and the outer diameter of the spline is provided with spline outer teeth, and the spline outer teeth correspond to the inner teeth of the torsion bearing disc in number, so that torque transmission is realized.

The outer diameter of the driving shell is radially provided with a plurality of groups of driving grooves, the outer diameter of the clutch disc is radially provided with a plurality of groups of driving angles in corresponding quantity, and the driving angles are arranged in the driving grooves to realize torque transmission.

The clutch claw is provided with a clutch claw inclination angle, the torque bearing groove is provided with a torque bearing groove inclination angle, and the two inclination angles are both larger than 90 degrees.

The clutch claw is provided with a clutch disc separation angle, the torque bearing groove is provided with a torque bearing disc separation angle, the two separation angles are in a shape of a fillet or a chamfer angle, and in the reverse rotation engineering of the clutch disc and the torque bearing disc, the separation angles play a role in guiding, so that the clutch disc generates axial movement, and the clutch disc and the torque bearing disc are ensured to be separated.

The guide wheel shell is assembled with the cover plate, and the total assembly of the guide wheel of the hydraulic torque converter is realized.

The axial one-way clutch has two working states, a combined state and a separated state. Under the combined state, the clutch disc and the torsion bearing disc are axially pressed close to each other by the thrust of the disc spring, the clutch claws and the torsion bearing grooves are in one-to-one contact torsion bearing, the inclination angle of each clutch claw is arranged on each clutch claw, the inclination angle of each torsion bearing groove is arranged on each torsion bearing groove, the angle is larger than 90 degrees, and the full combination torsion bearing under the combined state is ensured. Under the separation state, the clutch disc and the torsion bearing disc rotate reversely to compress the disc spring, a certain axial gap is formed between the clutch disc and the torsion bearing disc, the clutch claws are separated from the torsion bearing grooves, each clutch claw is provided with a clutch disc separation angle, each torsion bearing groove is provided with a torsion bearing disc separation angle, the clutch claws and the torsion bearing grooves are smooth arcs or chamfered angles, the full separation of the one-way clutch is guaranteed, and the hysteresis torque under the separation state is reduced.

The utility model discloses the superior efficiency of structure lies in:

1) the guide wheel of the utility model uses the axial one-way clutch, so that the number of parts is small and the assembly is simple;

2) the guide wheel of the utility model has larger torque capacity in the same space, and the use of axial and radial space is reduced under the same torque capacity requirement;

3) the utility model discloses the guide pulley mainly is applied to in the hydraulic torque converter of automatic transmission automobile power assembly, realizes higher torque conversion ability and reduction axial or radial space.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the assembly of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic cross-sectional view of the one-way clutch according to the present invention in the engaged state;

FIG. 4 is a schematic cross-sectional view of the one-way clutch according to the present invention in a disengaged state;

FIG. 5 is an enlarged view of a portion of FIG. 3;

description of the figures

1-a guide wheel shell;

2-a drive shell; 201-driving groove;

3-disc spring;

4-clutch disc;

401-drive angle; 402-outer race clutch pawls;

403-inner ring clutch pawls; 404-clutch pawl tilt angle;

405-clutch disc separation angle;

5-spline; 501-spline external teeth;

6-a torsion-bearing disc;

601-internal teeth of a torque receiving disc; 602-outer ring torque receiving grooves;

603-inner ring torque bearing grooves; 604-torsion groove inclination angle;

605-torsion cup separation angle;

7-cover plate.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 shows the assembly schematic diagram of the present invention, fig. 2 shows the decomposition schematic diagram of the present invention, fig. 3 is the cross-sectional schematic diagram of the one-way clutch combination state, fig. 4 is the cross-sectional schematic diagram of the one-way clutch separation state of the present invention, fig. 5 is the partial enlarged view of fig. 3.

As shown in figure 1, the utility model provides an axial one way clutch's torque converter guide pulley, including guide pulley shell 1, drive shell 2, dish spring 3, clutch disc 4, spline 5, hold and turn round dish 6 and apron 7.

The driving shell 2 is pressed into the inner cavity of the guide wheel shell 1 in an interference fit mode, and the torque-bearing connection of the axial one-way clutch and the guide wheel is achieved.

The axial one-way clutch comprises a driving shell 2, a disc spring 3, a clutch disc 4 and a torque bearing disc 6, as shown in fig. 2, a plurality of groups of driving grooves 201 are radially arranged at the outer diameter of the driving shell 2, a plurality of groups of driving angles 401 with corresponding quantity are radially arranged at the outer diameter of the clutch disc 4, and the driving angles 401 are arranged in the driving grooves 201 to realize the transmission of torque. The clutch disk 4 is provided with an outer ring clutch claw 402 and an inner ring clutch claw 403, which are two rings of clutch claws in the present embodiment, and the number of the clutch claws in each ring is any number of the clutch claws arranged in the radial direction. The torque receiving disc 6 is provided with a corresponding number of outer ring torque receiving grooves 602 and inner ring torque receiving grooves 603, and the number of the torque receiving grooves per ring corresponds to the number of the clutch pawls. The disc spring 3, the clutch disc 4 and the torque disc 6 are axially arranged in the inner cavity of the drive housing 2.

The outer diameter of the spline 5 is provided with spline outer teeth 501, the number of the spline outer teeth is corresponding to that of the torque bearing disc inner teeth 601 arranged on the inner diameter of the torque bearing disc 6, and torque transmission is achieved.

And the cover plate 7 is assembled with the guide wheel shell 1 in an interference fit or riveting manner finally, so that the total assembly of the guide wheel of the hydraulic torque converter is realized.

As shown in fig. 3-5, the axial one-way clutch has two operating states, an engaged state and a disengaged state. In a combined state, the clutch disc 4 and the torque-bearing disc 6 are axially pressed close by the thrust of the disc spring 3, the outer ring clutch claws 402 and the outer ring torque-bearing grooves 602 are in one-to-one contact torque-bearing, the inner ring clutch claws 403 and the inner ring torque-bearing grooves 603 are in the same one-to-one contact torque-bearing, each clutch claw is provided with a clutch claw inclination angle 404, each torque-bearing groove is provided with a torque-bearing groove inclination angle 604, and the angles of the two are larger than 90 degrees, so that the full combination torque-bearing in the combined state is ensured. In a separation state, the clutch disc 4 and the torque receiving disc 6 rotate reversely to compress the disc spring 3, a certain axial gap is formed between the clutch disc and the torque receiving disc, the outer ring clutch claw 402 is disengaged from the outer ring torque receiving groove 602, the inner ring clutch claw 403 is also disengaged from the inner ring torque receiving groove 603, a clutch disc separation angle 405 is arranged on each clutch claw, a torque receiving disc separation angle 605 is arranged on each torque receiving groove, the shapes of the clutch disc separation angle 405 and the torque receiving disc separation angle 605 are filleted angles or chamfer angles, in a reverse rotation process, the separation angles play a role of guiding to enable the clutch disc to move axially, the clutch disc and the torque receiving disc are ensured to be separated fully, and hysteresis torque in the separation state is reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an axial one way clutch's torque converter guide pulley which characterized in that: comprises that

2. The torque converter stator of an axial one-way clutch according to claim 1, wherein: the outer diameter of the driving shell is radially provided with a plurality of groups of driving grooves, the outer diameter of the clutch disc is radially provided with a plurality of groups of driving angles in corresponding quantity, and the driving angles are arranged in the driving grooves to realize torque transmission.

3. The torque converter stator of an axial one-way clutch according to claim 1, wherein: the clutch claw is provided with a clutch claw inclination angle, the torque bearing groove is provided with a torque bearing groove inclination angle, and the two inclination angles are both larger than 90 degrees.

4. The torque converter stator of an axial one-way clutch according to claim 1, wherein: the clutch claw is provided with a clutch disc separation angle, the torque bearing groove is provided with a torque bearing disc separation angle, and the two separation angles are fillets or chamfer angles.

5. The torque converter stator of an axial one-way clutch according to claim 1, wherein: the guide wheel shell is assembled with the cover plate, and the total assembly of the guide wheel of the hydraulic torque converter is realized.