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Flexible spanner with improved structure

An adjustable wrench and improved structure technology, applied in the field of adjustable wrench, can solve the problem of looseness between the slide rail and the movable collar, and achieve the best compressive strength effect

Inactive Publication Date: 2008-06-25
谢智庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, after long-term use, there will be loosening between the slide rail and the movable collar

Method used

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  • Flexible spanner with improved structure
  • Flexible spanner with improved structure
  • Flexible spanner with improved structure

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Embodiment Construction

[0025] An embodiment of the adjustable wrench of the improved structure of the present invention, as figure 1 and figure 2 As shown, the adjustable wrench 1 includes a handle 2 and a fixed collar 4 arranged at one end of the handle 2, a movable collar 3 and a slide rail 5, and the auxiliary recess 6 and the The protrusions 7 provided on the two lower edges of the movable collar 3 and matched with the auxiliary concave portion 6 together constitute an auxiliary engaging structure of the adjustable wrench 1 . With such an auxiliary engaging structure, the overall structural strength of the adjustable wrench 1 can be improved. During use, if a screw member with a larger torsion force is encountered, the larger contact area of ​​the auxiliary engaging structure can be used to provide a larger torsion force. In addition, due to the existence of the auxiliary recess 6, the movable collar 3 is fixed in an "M" shape at three points. This fixing method is more stable than the exist...

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Abstract

An adjustable spanner with improved structure has a handle and the fixed jaw, movable jaw, slide track and auxiliary fasten structure between slide track and movable jaw, which are at one end of said handle. Said auxiliary fasten structure is composed of an auxiliary concave part at external side of at least one top edge on slide track and a convex part on at least one lower edge of movable jaw. Its advantages are high compression and torsion strength, and high stability.

Description

technical field [0001] The invention relates to a hand tool, in particular to an adjustable wrench with improved structure. Background technique [0002] An adjustable wrench is a hand tool that is frequently used. Its development history is long, the technology is quite mature, and the competition is very fierce. Therefore, tools with a slight brand image emphasize lifetime warranty. The adjustable wrench needs to be used for screws of various sizes, and the existing structure cannot improve its strength, so the replacement rate is high. This seriously damages the brand image and increases the cost, so the pursuit of structural strength has become the mainstream of the design of such tools. [0003] Taiwan Patent Publication No. 450161 discloses the joint structure currently used for adjustable wrench, which mainly includes an inverted "Ω"-shaped slide rail on the head of the wrench, and accommodates the movable collar of the wrench therein. Since this slide rail is a s...

Claims

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Application Information

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IPC IPC(8): B25B13/12
Inventor 谢智庆
Owner 谢智庆
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