Connection Device for a Shaft

Patent metadata

Field	Value
Publication number	US-2016003304-A1
Application number	US-201514851582-A
Country	US
Kind code	A1
Filing date	Sep 11, 2015
Priority date	Mar 12, 2013
Publication date	Jan 7, 2016
Grant date	—

Abstract

A lightweight construction connection device is provided for a shaft, formed from an end section of a pipe segment, over which the shaft can be slid and having a knurling on the radial outside surface thereof. A support ring is arranged in the interior of the end section of the pipe segment.

First claim

What is claimed is:

1 . A connection for a shaft, comprising:
a pipe segment having an end section, a radial outer surface of the end section of the pipe segment having an external toothing; and a supporting ring arranged in an interior of the end section of the pipe segment, wherein the end section of the pipe segment having the supporting ring and the radial outer surface with the external tooting are configured for the shaft to be slid over the end section.

2 . The connection according to claim 1 , wherein the end section of the pipe segment has a thin-walled construction with a wall thickness of between 1.2 and 2.5 millimeters.

3 . The connection according to claim 2 , wherein an outer diameter of the supporting ring is larger than an inner diameter of the end section of the pipe segment.

4 . The connection according to claim 1 , wherein an outer diameter of the supporting ring is larger than an inner diameter of the end section of the pipe segment.

5 . The connection according to claim 1 , further comprising a press-fit connection of the supporting ring in the interior of the end section of the pipe segment.

6 . The connection according to claim 3 , further comprising a press-fit connection of the supporting ring in the interior of the end section of the pipe segment.

7 . The connection according to claim 1 , wherein the supporting ring has an axial dimension of from 10 to 20 millimeters.

8 . The connection according to claim 6 , wherein the supporting ring has an axial dimension of from 10 to 20 millimeters.

9 . The connection according to claim 1 , wherein the external toothing is a milled knurling.

10 . The connection according to claim 9 , wherein the milled knurling extends in a longitudinal axis of the end section of the pipe segment.

11 . The connection according to claim 1 , wherein the end section of the pipe segment is reduced to a predetermined diameter.

12 . The connection according to claim 1 , wherein the end section of the pipe segment comprises a bead, the bead being configured as a predetermined breaking point.

13 . The connection according to claim 1 , wherein the pipe segment has a balancing area in an axial direction adjoining the end section of the pipe segment, the balancing area being configured to allow balancing weights to be mounted.

14 . The connection according to claim 12 , wherein the pipe segment has a balancing area in an axial direction adjoining the end section of the pipe segment, the balancing area being configured to allow balancing weights to be mounted.

15 . The connection according to claim 1 , wherein the pipe segment is made of steel.

16 . The connection according to claim 1 , wherein the shaft is made of fiber-reinforced plastic.

17 . The connection according to claim 16 , wherein the fiber-reinforced plastic is a carbon fiber reinforced plastic.

18 . The connection according to claim 17 , wherein the shaft is a drive shaft of a motor vehicle.

Assignees

• Bayerische Motoren Werke Ag

Inventors

• Streinz Wolfgang
• Zeilner Armin
• Reindl Johann
• Hofstetter Josef
• Gruenwald Heinrich

Classifications

• F16C3/023

  made of several parts, e.g. by welding · CPC title

• F16C2326/06

  Drive shafts · CPC title

• B60K17/22

  characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft · CPC title

• F16D1/10 Primary

  Quick-acting couplings in which the parts are connected by simply bringing them together axially · CPC title

• F16D2001/103

  the torque is transmitted via splined connections · CPC title