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Swing bridge for converting a rotary motion into an oscillating motion and use of same in an electrical device

A technology of rotating motion and oscillating motion, which is applied in the direction of mechanical equipment, transmission devices, belts/chains/gears, etc., can solve the problems of collision between the drive device and the vibration bridge, and increase the noise level, so as to achieve reduced complexity, good manufacturing tolerance, The effect of low manufacturing cost

Inactive Publication Date: 2009-06-03
BRAUN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, an increase in the manufacturing tolerances in the area of ​​the coupling will directly lead to an increase in the noise level, since every time the vibrating bridge changes direction, every play in this area must be reabsorbed and thus eventually drive Constant impact of the device onto the vibrating bridge

Method used

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  • Swing bridge for converting a rotary motion into an oscillating motion and use of same in an electrical device
  • Swing bridge for converting a rotary motion into an oscillating motion and use of same in an electrical device
  • Swing bridge for converting a rotary motion into an oscillating motion and use of same in an electrical device

Examples

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Embodiment Construction

[0015] exist figure 1 The dry shaving apparatus shown in has a housing 1 in which an electric motor 2 with a drive shaft 3 is fastened. Mounted on the drive shaft 3 is an eccentric part 4 , which is connected to the drive shaft 3 in a rotationally fixed and at the same time fixed manner in the axial direction. The eccentric part 4 has a pin 5 offset eccentrically relative to the drive shaft 3 , which engages in a coupling part 6 of a vibrating bridge 7 . For this purpose, the coupling part 6 has an opening 8 extending horizontally in the plane of the drawing, the width of which corresponds to the diameter of the pin 5 .

[0016] As soon as the drive shaft 3 of the electric motor 2 is driven in rotation, an oscillating movement is produced by the vibrating bridge, the direction of which is perpendicular to the plane of the drawing. The oscillating body 9 is provided in its upper region with a bearing pin on which the lower knife 11 of the shearing system is held. In a known ...

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Abstract

The invention relates to a swing bridge for converting a rotary motion into an oscillating motion in an electrical device. The housing (1) of the electrical device holds a drive mechanism (2) that is powered by rotation with a drive shaft (3) and that has a crank or cam-type section (4) and at least one coupling element (15) of the swing bridge (7). The swing bridge (7) has at least one swing arm (16) by means of which the coupling point (15) is elastically connected to the oscillating body (9). The oscillating body (9) carries a working medium (11) to be powered by oscillations and has a coupling (6) for the crank or cam-type section (4) of the drive shaft (3). The coupling (6) is formed as a separate component which is connected to the oscillating body (9).

Description

technical field [0001] The invention relates to a vibrating bridge for converting a rotational movement into an oscillating movement in an electrical device according to the preamble of claim 1 . Background technique [0002] Such a vibrating bridge is known, for example, from DE 32 24 223 C2 and is also used in electric dry shaving devices. For noise-optimized and weight-optimized reasons, vibration bridges of this type are usually produced from plastic in small electrical appliances, and moreover they are usually designed in one piece. In principle, different synthetic materials are suitable as raw material for the vibrating bridge, the individual synthetic materials having significantly different properties from one another with regard to service life, water absorption and also manufacturing tolerances, elasticity and slippage. The choice of raw material in known vibrating bridges therefore always represents a comprehensive consideration of the overall desired material p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26B19/28F16H21/22
CPCB26B19/28
Inventor 丹尼尔·迪策尔马蒂亚斯·韦策尔诺贝特·克罗伊茨福尔克尔·施滕格尤尔根·霍泽
Owner BRAUN AG
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