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Toothed chain with optimised chain joint and increased external flank angle

A technology of tooth surface angle and tooth chain, which is applied in the field of tooth chain to achieve the effect of increasing the hinge surface and high stability

Inactive Publication Date: 2009-04-29
IWIS MOTORSYSTEME GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the toothed chain in this application area is at its load limit, therefore, a small power increase of the motor would lead to a complete redesign of the entire chain drive

Method used

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  • Toothed chain with optimised chain joint and increased external flank angle
  • Toothed chain with optimised chain joint and increased external flank angle
  • Toothed chain with optimised chain joint and increased external flank angle

Examples

Experimental program
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Embodiment Construction

[0034] The toothed chain 1 according to the invention shown in FIG. 1 comprises outer chain links 2 and inner chain links 3 arranged alternately with one another, which are connected to one another via links 4 . The outer chain links 2 each consist of outer chain plates 5 arranged on the outside and extending parallel to one another, with holes aligned with each other, into which a respective hinge pin 6 is pressed or riveted.

[0035]The inner chain links 3 are positioned between the outer chain plates 5 of the outer chain links 2 and each comprise two chain plates 7 which are arranged facing each other parallel to the outer chain plates 5 . In this case, the link plates 7 are directed in an offset manner towards the outer link plates 5 located on the outside. Furthermore, the inner chain link 3 includes a guide plate 9 and two joint sleeves 10 in each case. Here, the guide plate 9 is arranged in the center of the inner link 3 , while the two link plates 7 are arranged on th...

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PUM

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Abstract

The invention relates to a toothed chain (1) with alternating inner and outer chain links (2, 3), joined by means of a chain joint (4), wherein the inner chain links (3) comprise at least one inner plate (7) and at least two joint bushes (10) running perpendicularly through the above, the outer chain links (2) comprise at least two outer plates (5) and at least two joint pins (6) running perpendicularly through the same. To form a chain joint a joint pin of the outer chain link (5) extends through a joint bush of the inner chain link and at least one inner plate (7) of the inner chain link and / or at least one outer plate of the outer chain link is embodied as a toothed plate with each having two teeth defined by an outer flank and an inner flank.; According to the invention, a toothed chain with improved life and improved design for the complete chain drivetrain can be achieved, wherein an outer flank angle given for both outer flanks of a toothed plate (5,7), is a = 65 DEG and = 75 DEG and the ratio VBa between a pitch T of the toothed chain (1) and the outer diameter dBa of the joint pin is = 2.65.

Description

technical field [0001] The invention relates to a toothed chain with alternating inner and outer links which are each connected to one another by means of a link hinge. In one embodiment of the invention, the inner link has at least one inner link and at least two joint sleeves extending transversely through the inner link, and the outer link has at least two outer links and at least two hinge pins transversely passing through the outer link plate, wherein, in order to form a link hinge, the hinge pins of each outer link respectively extend through the hinge sleeve of the inner link. Background technique [0002] Such a toothed chain is known, for example, from GB 2373833B. In such a chain, the inner chain link consists of two inner chain plates arranged parallel to one another, which are fixed to each other at a parallel distance by means of two hinge bushes. For this purpose, the hinge sleeve is pressed into the link plate. The outer chain link consists of two chain pla...

Claims

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Application Information

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IPC IPC(8): F16G13/04
CPCF16G13/04F16G13/08
Inventor 安德烈亚斯·邦加德沃尔克·赫希曼卢茨·韦尔克
Owner IWIS MOTORSYSTEME GMBH & CO KG
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