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Hand tools with ventilation

A technology for hand-held machine tools and ventilation devices, which can be used in cooling/ventilation devices, manufacturing tools, electromechanical devices, etc., and can solve problems such as increasing flow resistance and increasing the power demand of ventilation devices.

Active Publication Date: 2016-08-17
C.& E.泛音有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such guides or diversions increase the flow resistance and thus the power requirements of the ventilation

Method used

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  • Hand tools with ventilation
  • Hand tools with ventilation
  • Hand tools with ventilation

Examples

Experimental program
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Embodiment Construction

[0039] figure 1 An exemplary hand-held power tool 10 according to the invention is shown, which is embodied as an oscillating power tool in the exemplary embodiment. The housing 12 has a defined inner contour and is composed of two housing halves whose dividing planes run vertically, ie parallel to the plane of the drawing shown, through the longitudinal axis of the power tool 10 . In the second end region 4 of the housing 12 , which is opposite the tool device 15 , an air inlet opening 22 is provided in each housing half, which in the exemplary embodiment shown is implemented in two parts. In addition, the housing 12 is provided with a grip area 13, which is convenient for the operator to hold the machine tool in this area to operate the machine tool. Housing 12 surrounds electric drive unit device 14 , which drives machine tool 10 , as well as a region of tool device 15 , which is located in first end region 3 of housing 12 . The tool device 15 is provided with a drive spi...

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PUM

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Abstract

The invention relates to a hand-held power tool (10) having a housing (12) extending substantially along a longitudinal axis; an electric drive unit (14) housed in the housing; Tool Equipment (15). The housing of the power tool has a defined inner contour (20), and the electric drive unit and the tool device have a defined outer contour (19). The outer contour and the inner contour of the housing have a predetermined minimum distance from each other. At least one cooling air intake hole (22) is provided in the end region of the housing. The ventilation device (21) is driven by the electric drive unit, the ventilation device draws in cool air through at least one air intake opening, the cool air flows through the machine tool along the axis of rotation (11) approximately parallel to the electric drive unit, and is distributed in the machine tool Outflow from the shell on the outer contour.

Description

technical field [0001] The invention relates to a hand-held power tool, in particular a hand-held oscillating power tool, having a housing extending approximately in the direction of a longitudinal axis and a ventilation device. Background technique [0002] According to the prior art, hand-held power tools with a ventilation device are known, wherein the sucked-in cooling air flow can be divided into several cooling air flows by means of a guide device, and these cooling air flows are guided through the cooling air inlet and the The different areas of the machine tool housing that are largely sealed from the environment outside the outlet. In addition, the handheld power tool removes dust particles from the sucked-in cool air by means of a deflection device or a filter device. Such guides or deflectors increase the flow resistance and thus the power requirement of the ventilation device. [0003] The object of the present invention is to provide a hand-held power tool wit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25F5/00B25F5/02
CPCB25F5/008B25F5/02B23Q11/127H02K9/06H02K7/145
Inventor 阿希姆·赫斯乌维·弗鲁于尔根·布利克勒
Owner C.& E.泛音有限公司
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