DE-102025146060-A1 - constant velocity joint arrangement

DE102025146060A1DE 102025146060 A1DE102025146060 A1DE 102025146060A1DE-102025146060-A1

Abstract

The invention relates to a constant velocity joint assembly. The constant velocity joint assembly comprises a first constant velocity joint with a first outer race in which a first through-opening is formed, and with a first shaft; a second constant velocity joint with a second outer race in which a through-opening is formed, and with a second shaft; a connecting element with a plate-shaped area arranged between the first outer race and the second outer race; a first coupling section configured to allow an end section of the first shaft to engage with the first coupling section through the through-opening in the first outer race; a second coupling section configured to allow an end section of the second shaft to engage with the second coupling section through the through-opening in the second outer race; and a first retaining device arranged in the through-opening in the second outer race to prevent the connecting element from being displaced towards the second constant velocity joint.

Inventors

Chung Heon Hyun

Assignees

Hyundai Wia Corporation

Dates

Publication Date: 20260513
Application Date: 20251107
Priority Date: 20241108

Claims (13)

Constant velocity joint assembly comprising: a first constant velocity joint with a first outer race in which a through-hole is formed, and with a first shaft; a second constant velocity joint with a second outer race in which a through-hole is formed, and with a second shaft; a connecting member with a plate-shaped area arranged between the first outer race and the second outer race, a first coupling section configured to allow an end section of the first shaft to engage with the first coupling section through the through-hole in the first outer race, and a second coupling section configured to allow an end section of the second shaft to engage with the second coupling section through the through-hole in the second outer race; and a first retaining device arranged in the through-hole in the second outer race to prevent the connecting member from shifting towards the second constant velocity joint.
constant velocity joint arrangement according to Claim 1 , wherein the plate-shaped area has an outer diameter that is less than or equal to the diameter of the through-hole in the second outer running ring.
constant velocity joint arrangement according to Claim 1 , wherein the first holding device is designed in a ring shape.
constant velocity joint arrangement according to Claim 3 , wherein the first holding device has an inner diameter that is smaller than an outer diameter of the plate-shaped area.
constant velocity joint arrangement according to Claim 3 , wherein the first holding device has an outer diameter equal to the diameter of the through-hole in the second outer running ring.
constant velocity joint arrangement according to Claim 1 , wherein the plate-shaped area has an outer diameter that is larger than the diameter of the through-hole in the first outer running ring.
constant velocity joint arrangement according to Claim 1 , further comprising a first snap ring which is attached to an inner circumferential surface of the through-hole in the second outer running ring for fixing the first holding device.
constant velocity joint arrangement according to Claim 1 , further comprising a second holding device arranged in the through-opening in the first outer running ring to prevent the connecting element from shifting.
constant velocity joint arrangement according to Claim 8 , further comprising a second snap ring which is attached to an inner circumferential surface of the through-hole in the first outer running ring for securing the second retaining device.
constant velocity joint arrangement according to Claim 1 , wherein the first outer running ring and the second The outer running ring is formed in one piece.
constant velocity joint arrangement according to Claim 1 , wherein the first constant velocity joint further comprises a first inner race connected to the first shaft and arranged in the first outer race, and a first ball arranged between the first inner race and the first outer race, wherein the second constant velocity joint further comprises a second inner race connected to the second shaft and arranged in the second outer race, and a second ball arranged between the second inner race and the second outer race, wherein the end section of the first shaft has a region which is in direct contact with the first coupling section during joint movement, wherein the region in direct contact with the first coupling section is spherical or spherical, wherein the end section of the second shaft has a region which is in direct contact with the second coupling section during joint movement, wherein the region in direct contact with the second coupling section is spherical or spherical, and wherein the constant velocity joint arrangement satisfies at least one of the following parameter relationships: 1,005 ≤ A / B ≤ 1,020 1,005 ≤ C / D ≤ 1,020, where A represents an inner diameter of the first coupling section B, B represents a diameter of the spherical or ball-shaped area of the end section of the first shaft, C represents an inner diameter of the second coupling section, and D represents a diameter of the spherical or ball-shaped area of the second end section of the second shaft.
constant velocity joint arrangement according to Claim 11 , which furthermore satisfies at least one of the following parameter relationships: 0,2 ≤ E / F ≤ 0,3 0,2 ≤ E / G ≤ 0,3, where E represents a distance between the center of the spherical or spherical region of the end section of the first shaft and the center of the spherical or spherical region of the end section of the second shaft, F represents a pitch circle diameter (PCD) of the first constant velocity joint, and G represents a pitch circle diameter (PCD) of the second constant velocity joint.
constant velocity joint arrangement according to Claim 11 , which furthermore satisfies at least one of the following parameter relationships: 1,0 ≤ H / F ≤ 1,1 1,0 ≤ H / G ≤ 1,1, where F represents a pitch circle diameter (PCD) of the first constant velocity joint, G represents a pitch circle diameter (PCD) of the second constant velocity joint, and H represents a distance between a joint center of the first constant velocity joint and a joint center of the second constant velocity joint.

Description

BACKGROUND 1. Field of the invention The present invention relates to a constant velocity joint arrangement. 2. Description of the state of the art A constant velocity joint is used to transmit a rotational force between a drive shaft and a driven shaft that are arranged at an angle to each other, without changing the angular velocity. To achieve a larger articulation angle, a design with two combined constant velocity joints has been proposed. Such a design is described, for example, in US Patent No. 3,017,755. BRIEF DESCRIPTION OF THE INVENTION One aspect of the present invention is the provision of a constant velocity joint arrangement with two constant velocity joints and a connecting link, and the facilitation of the assembly of the connecting link. Another aspect of the present invention is the provision of a constant velocity joint arrangement in which the overall strength of an outer running ring can be improved. A constant velocity joint assembly according to the present invention comprises a first constant velocity joint with a first outer raceway having a through-opening formed therein and with a first shaft, a second constant velocity joint with a second outer raceway having a through-opening formed therein and with a second shaft, a connecting member with a plate-shaped area arranged between the first outer raceway and the second outer raceway, a first coupling section configured to allow engagement of an end section of the first shaft with the first coupling section via the through-opening in the first outer raceway, and a second coupling section configured to allow engagement of an end section of the second shaft with the second coupling section via the through-opening in the second outer raceway, and a first retaining device arranged in the through-opening in the second outer raceway to prevent displacement of the connecting member towards the second constant velocity joint. The plate-shaped area can have an outer diameter that is less than or equal to the diameter of the through-hole in the second outer running ring. The first holding device can be designed in a ring shape. The first holding device can have an inner diameter that is smaller than the outer diameter of the plate-shaped area. The first holding device can have an outer diameter that is less than or equal to the diameter of the through-hole in the second outer running ring. The plate-shaped area can have an outer diameter that is larger than the diameter of the through-hole in the first outer running ring. The constant velocity joint arrangement may further include a first snap ring which is attached to an inner circumferential surface of the through-hole in the second outer raceway to fix the first retaining device. The constant velocity joint arrangement may further include a second retaining device, which is arranged in the through-opening in the first outer race to prevent the connecting member from shifting. The constant velocity joint assembly may further include a second snap ring which is attached to an inner circumferential surface of the through-hole in the first outer race to secure the second retaining device. The first outer running ring and the second outer running ring can be formed in one piece. The first constant velocity joint can further comprise a first inner race connected to the first shaft and arranged in the first outer race, and a first ball arranged between the first inner race and the first outer race. The second constant velocity joint can further comprise a second inner race connected to the second shaft and arranged in the second outer race, and a second ball arranged between the second inner race and the second outer race. The end section of the first shaft can have a region that is in direct contact with the first coupling section during joint movement and that is spherical or ball-shaped. The end section of the second shaft can have a region The constant velocity joint assembly must have a component that is in direct contact with the second coupling section during joint movement and is spherical or ball-shaped. The constant velocity joint assembly can satisfy at least one of the following parameter relationships. 1,005≤A/B≤1,0201,005≤C/D≤1,020 Here, A represents the inner diameter of the first coupling section, B represents the diameter of the spherical or ball-shaped area of the end section of the first shaft, C represents the inner diameter of the second coupling section, and D represents the diameter of the spherical or ball-shaped area of the end section of the second shaft. Furthermore, the constant velocity joint arrangement can satisfy at least one of the following parameter relationships. 0,2≤E/F≤0,30,2≤E/G≤0,3 Here, E represents a distance between the center of the spherical or ball-shaped area of the end section of the first shaft and the center of the spherical or ball-shaped area of the end section of the second shaft, F represents the pitch circle diameter (PCD) of the first constant