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Improved hand saw frame allowing vertical adjustment and extension

A saw frame and hand saw technology, applied in the field of hand saw frames, can solve problems such as uneven cutting and affecting product quality, and achieve the effect of simple structure

Inactive Publication Date: 2014-09-10
ZHAOYUAN ZEYANG TOOL MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the daily working environment, especially in the factory machining and maintenance workshop, it is the most common thing to use a hacksaw saw blade to cut iron blocks. It cannot be cut through at all, and needs to be cut again from the other end. If this is done, the cutting will be uneven, which will affect the quality of the product. It is necessary to make technical improvements to the hacksaw saw blade and saw frame to overcome this defect

Method used

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Embodiment Construction

[0009] The present invention will be further described below in conjunction with the front view.

[0010] In the view, an F-shaped saw base 1 is provided with a fixed iron plate 3 with a square hole in the middle, a handle 2, and a saw bow 10 with a square hole at the front end, and a fixed iron plate 3 and a saw bow 10 are respectively provided Shrinkable iron plate 5, a screw thread 9, a butterfly screw 7, each of the two shrinkable iron plates 5 is provided with an iron 8 and connected together by a hacksaw saw blade 6, when in use, first according to the cut For the depth of the iron block, adjust the use distance of the fixed iron plate 3 and the retractable iron plate 5 on the saw bow 10, and tighten the butterfly screw 7 on the fixed iron plate 3 and the saw bow 10 to fix the retractable iron plate 5. , the saw blade 6 is fixed on the iron 8 of the two retractable iron plates 5, and the set screw 4 is tightened to be ready for use. The structure is simple and easy to us...

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Abstract

The invention discloses an improved hand saw frame allowing vertical adjustment and extension. A fixed iron plate with the middle provided with a square hole, a handle and a saw bow with the front end provided with a square hole are arranged on the F-shaped saw frame; an extensible iron plate, a screw thread and a butterfly screw are respectively arranged on the fixed iron plate and the saw bow; every extensible iron plate is provided with an iron column; the iron columns are connected through a steel saw blade. The improved hand saw frame allowing vertical adjustment and extension has the advantages of extending the steel saw cutting distance, overcoming the limitation that the former steel saw blades cannot perform deep cutting and being simple and flexible in structure and good in utilization effect.

Description

Technical field [0001] The invention relates to an improved appliance for fixing a hacksaw blade, that is, an improved up and down adjustable telescopic hand saw frame. Background technique [0002] At present, in the daily working environment, especially in the factory machining and maintenance workshop, it is the most common thing to use a hacksaw saw blade to cut iron blocks. It cannot be cut through at all, and needs to be cut again from the other end. If this is done, there will be uneven cutting, which will affect the quality of the product. It is necessary to make some technical improvements to the hacksaw saw blade and saw frame to overcome this defect. Contents of the invention [0003] In order to solve the above-mentioned problems, the present invention provides an improved telescopic hand saw frame that can be adjusted up and down. The improved telescopic hand saw frame that can be adjusted up and down can extend the cutting depth of the hacksaw blade, which ov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D51/12B23D49/12
Inventor 秦永梅
Owner ZHAOYUAN ZEYANG TOOL MFG