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Telescopic metering knife straight edge

A knife-edge, telescopic technology, used in measuring devices, instruments, etc., can solve the problems of limited measurement length, inability to effectively complete the measurement, and poor use effect.

Inactive Publication Date: 2016-04-20
SUZHOU LECC TESTING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The measuring length of the knife-edge ruler used in the prior art is limited, and can only measure the length within its scale range, beyond which the measurement cannot be effectively completed, and the use effect is not good

Method used

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  • Telescopic metering knife straight edge

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Embodiment Construction

[0010] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0011] Described in the present invention is a kind of retractable metering knife-edge ruler, such as figure 1 As shown, it includes a knife-edge ruler body 1 and telescopic slide rules 2 arranged at both ends of the knife-edge ruler body 1 .

[0012] The two ends of the knife-edge ruler body 2 are respectively provided with two slotted holes, an elastic pull rope 3 is arranged in any one of the slotted holes, and a telescopic slide rule 2 is arranged in the other slotted hole.

[0013] The telescopic sliding rule 2 is arranged in an L-shaped structure, one end of the L-shaped structure is arranged in the slot, and the other end of the L-shaped structure is arranged transversely on the end of th...

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Abstract

The invention discloses a telescopic metering knife straight edge which comprises a knife straight edge body and telescopic slide rulers at the two ends of the knife straight edge body. The two ends of the knife straight edge body are each provided with two groove holes, wherein an elastic pull rope is arranged in one of the groove holes, the other groove hole is internally provided with the corresponding telescopic slide ruler, the telescopic slide ruler is of an L-shaped structure, one end of the L-shaped structure is arranged in the corresponding groove hole, and the other end of the L-shaped structure is transversely arranged at one end of the knife straight edge body. By means of the elastic pull ropes, the telescopic slide rulers can effectively increase the measurement length, and the knife straight edge is convenient to use and simple in measurement.

Description

technical field [0001] The invention relates to the field of measuring equipment, in particular to a telescopic measuring knife-edge ruler. Background technique [0002] There are two types of knife-edge rulers: magnesium-aluminum alloy and steel, which are stabilized and demagnetized during processing. It is mainly used for straightness measurement and flatness measurement by light gap method, and it can also be used together with the gauge block to check the plane accuracy. [0003] The measuring length of the knife-edge ruler used in the prior art is limited, and can only measure the length within its scale range, beyond which the measurement cannot be effectively completed, and the use effect is not good. Contents of the invention [0004] The object of the present invention is to provide a telescopic measuring knife-edge ruler that can increase the effective measurement length under the use of the elastic pull cord through the telescopic slide rule, is easy to use, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/00
CPCG01B21/00
Inventor 朱迎晓张建华钱华
Owner SUZHOU LECC TESTING TECH
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