DE202004006740U1 - Torque tools with color display for different units - Google Patents

Abstract

Torque tool (10) for measuring and / or for applying a torque, comprising an elongated housing (12) with a handle (16) at one end (14), a measuring device for detecting the torque in the housing (12) and a connecting member (20) is provided, which transmits the torque from a workpiece to the measuring device, a display (22) which shows the respectively applied or set torque, characterized in that the display (22) is designed to represent at least two different measuring units , with each measuring unit being assigned its own color.

Description

technical area

The innovation concerns a torque tool for measuring and / or for applying a torque, containing an elongated Housing with a handle at one end, with a measuring device for detecting of the torque in the housing and a connecting link is provided, which the torque from a workpiece transmits to the measuring device, a Display which shows the torque applied or set displays.

State of the art

Torque wrenches and screwdrivers with torque measuring and / or triggering devices are used to determine torques. The torque wrenches usually consist of an elongated lever arm with a handle, a measuring apparatus being provided on the lever arm. The lever arm is often designed as a housing, so that the measuring apparatus can be arranged therein. In order to transmit the torque that is generated with the torque wrench to a workpiece, a connecting element is provided at one end of the lever arm, which engages the workpiece to be measured. The torque wrenches are partially designed in such a way that they not only display the torque present but also trigger at certain torques, ie the torque is only transmitted up to a set size. Torque wrenches are used, for example, in the DE 3710401 A1 disclosed.

There are known ads that Display the respective torque or the torque settings. Usually will do this only one measuring unit used. If such a torque wrench, however to be sold in a country where other measurement units for torques the scale must be replaced. It is therefore also torque wrench known, in which two different measuring scales are used. However, this easily leads to confusion between the measuring scales, why setting and reading errors occur.

epiphany of innovation

It is therefore the task of the innovation to create a torque tool that has the disadvantages of the prior art the technology eliminated and a reading and thus the setting of the Measurement scale made easier.

According to the innovation, the task is solved in that with a torque tool for measuring and / or for application of a torque of the type mentioned at the beginning, the display for display is formed by at least two different measuring units, each measuring unit is assigned its own color.

In an advantageous embodiment is the torque tool as a torque wrench or trained as a screwdriver.

As a further advantageous embodiment the innovation turns out to be when the Display is digital. This means that the ad can be viewed on any any measuring unit can be switched, provided the display is electronic is controlled. The digital display is preferably colored, so that each measuring unit can be assigned its own color.

In a further embodiment of the The innovation is analog. This variant can be use especially in mechanical torque wrenches that have no Electronics. They are therefore not susceptible to electronic interference. Leave such torque wrenches are therefore more likely to be used in hazardous areas where there are no sparks may arise.

A preferred embodiment of the new torque wrench results also by different measuring units at the same time can be shown on the display. So that the different Measuring units can be compared with each other.

In a special configuration The innovation is of several orders of magnitude can be represented as a unit. This allows different orders of magnitude read and set. This is particularly important for the exact Fine adjustment of a torque wrench. So each can Color adjustment of a coarse adjustment, which enables quick and safe reading or setting.

There are further advantages the subject of the subclaims, and the drawing with the associated description.

Short description the drawing

1 shows in a schematic diagram a torque wrench according to the invention with a display which has two different measuring units.

preferred embodiment

In 1 10 denotes a torque tool according to the innovation, which is designed as a torque wrench. The torque wrench 10 contains a measuring device, which in an elongated housing 12 of the torque wrench 10 is provided. The measuring device is therefore not visible. At one end 14 of the torque wrench 10 there is a handle 16 around the elongated housing 12 and on the other The End 18 there is a connecting link 20 , The link 20 is usually a square on which a plug-on tool for connection to the workpiece to be measured is attached. The torque measured or preset by the measuring device is shown on a display 22 shown. In the present embodiment, the display is 22 trained analog. The ad 22 contains two different scale ranges 24 and 26 , the scale ranges 24 . 26 have different colors. The scale ranges 24 . 26 show two different scales 28 . 30 for different units. It is preferred to use colors that form good contrasts to make them easier to read.

Claims (7)

Torque tool ( 10 ) for measuring and / or for applying a torque, containing an elongated housing ( 12 ) with one handle ( 16 ) at one end ( 14 ), a measuring device for detecting the torque in the housing ( 12 ) and a connecting link ( 20 ) is provided, which transmits the torque from a workpiece to the measuring device, a display ( 22 ), which indicates the respectively applied or set torque, characterized in that the display ( 22 ) is designed to display at least two different measuring units, each measuring unit being assigned its own color. Torque tool ( 10 ) for measuring and / or for applying a torque according to claim 1, characterized in that the torque tool is designed as a torque wrench. Torque tool ( 10 ) for measuring and / or for applying a torque according to claim 1, characterized in that the torque tool is designed as a screwdriver. Torque tool ( 10 ) for measuring and / or for applying a torque according to one of claims 1 to 3, characterized in that the display ( 22 ) is digitally trained. Torque tool ( 10 ) for measuring and / or for applying a torque according to one of claims 1 to 4, characterized in that the display ( 22 ) is designed analogously. Torque tool ( 10 ) for measuring and / or for applying a torque according to one of claims 1 to 5, characterized in that different measuring units simultaneously on the display ( 22 ) can be displayed. Torque tool ( 10 ) for measuring and / or for applying a torque according to one of claims 1 to 6, characterized in that several orders of magnitude of a unit can be represented.