Long-distance precise line drawing tool
A line drawing tool and long-distance technology, which is applied in the field of long-distance precise line drawing tools, can solve the problems of not meeting the requirements of precision, difficulty in achieving precision, inconvenience, etc., and achieves easy operation, strong portability, and convenient screwing operation. Effect
Pending Publication Date: 2019-05-28
卢绿涵
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Problems solved by technology
[0002] In real life, it is necessary to accurately draw boxes and circles on many planes to meet different functional requirements, such as: various sports venues are strictly square, including football fields, tennis courts, basketball courts and badminton courts are all rules Among them, football fields and basketball courts also need to draw circles in the field; high-level competitions require more precise dimensions of sports fields; in addition, many fields for stacking materials and construction fields are also required to be strictly square; in To draw right angles and circles in a box in a small plane, using tools such as set squares and compasses can meet the required accuracy requirements, but to draw right angles in a box in a larger plane, use the right angles in set squares, the accuracy is often up to It does not meet the requirements; if you draw a larger-sized circle, if you use a large-sized compasses, it is neither convenient nor easy to achieve the desired accuracy
Method used
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[0032] Examples, see Figure 1 to Figure 4 As shown, a long-distance precise line-drawing tool of the present invention, a long-distance precise line-drawing tool, comprises a positioning part 100, a soft long ruler 200 and a line-drawing part 300, and the positioning part 100 is provided with a first A ruler clamp 110, a clamp bracket 120, a handle 130 with a screw rod and a raised positioning jack 140 on the side, the first ruler clamp 110 includes a fixed splint 111, a movable splint 112 and a hollow bolt 113 with a handle. The front end extension of the fixed splint 111 is fixedly connected to a positioning plate 116 provided with a positioning screw hole 115 through a set screw 114, and the movable splint 112 is fixedly connected to a positioning bolt 117, and the hollow bolt 113 is provided with external threads with opposite helical directions and Internal thread, the external thread and the internal thread are respectively engaged with the internal thread of the positi...
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The invention discloses a long-distance precise line drawing tool. The long-distance precise line drawing tool comprises a positioning part, a line drawing part and a ruler, wherein the positioning part comprises a fixture support, a positioning ejector column installed below the fixture support and a first ruler fixture rotationally installed on the fixture support, and the center line of the positioning ejector column is located on the rotation axis of the first ruler fixture; the line drawing part comprises a brush, a brush fixture an a second ruler fixture, the brush is detachably installed on the brush fixture, and the brush fixture is detachably arranged below the second ruler fixture; the ruler can be clamped on the first ruler fixture and the second ruler fixture respectively; andthe first ruler fixture is provided with a fixed clamping plate and a bolt, the fixed clamping plate is provided with a threaded hole, and the bolt can penetrate through the threaded hole in the fixedclamping plate to clamp and fix the ruler on the first ruler fixture. The long-distance precise line drawing tool has the advantages of being high in drawing precision, capable of realizing long-distance line drawing, high in portability and low in cost.
Description
technical field [0001] The invention relates to a long-distance precise line drawing tool. Background technique [0002] In real life, it is necessary to accurately draw boxes and circles on many planes to meet different functional requirements, such as: various sports venues are strictly square, including football fields, tennis courts, basketball courts and badminton courts are all rules Among them, football fields and basketball courts also need to draw circles in the field; high-level competitions require more precise dimensions of sports fields; in addition, many fields for stacking materials and construction fields are also required to be strictly square; in To draw right angles and circles in a box in a small plane, using tools such as set squares and compasses can meet the required accuracy requirements, but to draw right angles in a box in a larger plane, use the right angles in set squares, the accuracy is often up to It does not meet the requirements; if you draw...
Claims
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IPC IPC(8): B25H7/04
Inventor 卢绿涵
Owner 卢绿涵