Universal circle drawing and lofting vernier

By designing a universal circle drawing vernier, the problem of limited use of traditional tools in high-altitude or confined spaces was solved, enabling convenient and accurate circle drawing construction in complex environments.

CN223700815UActive Publication Date: 2025-12-23SHANDONG MARINE ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202422888766.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-12-23
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Existing auxiliary circle drawing tools are limited in use at high altitudes or in confined spaces, and the error increases with the diameter, making it difficult to meet the requirements of precise construction.

Method used

Design a universal circle drawing vernier, including a positioning cone and a clamping mechanism, for limiting the retraction of measuring tapes and drawing pens. It has a compact structure, is easy to extend and retract, and is suitable for complex environments.

Benefits of technology

It enables convenient circle drawing in complex environments with minimal error and accurate construction, making it suitable for widespread use, especially convenient to operate in high-altitude or confined spaces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a universal circle drawing and lofting vernier, and relates to the technical field of machining tools. The universal circle drawing and lofting vernier comprises a positioning cone and a second clamping mechanism, the positioning cone and the second clamping mechanism are arranged on a tape collecting tape, the positioning cone is provided with a first clamping mechanism, the first clamping mechanism is used for clamping and limiting the tape collecting tape, and the second clamping mechanism is used for clamping and limiting a paintbrush body. The all-purpose circle drawing and lofting vernier is compact in structure, convenient and fast to operate, portable, suitable for circle drawing and lofting tools in various complex environments, especially in limited spaces with complex environments and aloft work, free of limitation of fixed measuring tools, small in circle drawing error, more accurate in construction, simple in structure and convenient to popularize. Assembly is convenient, manufacturing cost is extremely low, practicability is high, and application and popularization are facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of machining tools, specifically a universal vernier for drawing circles and lofting. Background Technology

[0002] In the machinery industry, drawing circles and laying out is a common operation with a wide range of applications. For example, when drilling holes in a cylinder to install flange branch pipes, the first step is usually to draw circles and lay out the holes. Then, holes are drilled and branch pipes are installed according to the drawn circles. This process is also used when assembling circular chassis. The required circles are first drawn according to the drawings, and then cut and spliced. This process is used in almost every industry of machinery manufacturing.

[0003] However, in this process, especially when drawing large-diameter circles, the tools used for drawing circles are usually bulky and cannot be used in situations such as high-altitude or confined spaces during equipment modifications, causing difficulties or even burdens to production. The larger the diameter of the circle drawn using these traditional tools, the larger and longer the tools become. In construction requiring millimeter-level precision, the error of these large and cumbersome drawing tools also increases with the diameter, leading to some unavoidable errors. To address the shortcomings of existing technologies, this utility model provides a universal circle drawing and layout vernier to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a universal circle drawing and layout vernier. It has a compact structure, is easy to extend and retract during use, is convenient and quick to operate, and can be carried around. It is suitable for circle drawing and layout tools in various complex environments, especially in complex confined spaces and high-altitude operations. It breaks away from the limitations of fixed measuring tools, has small errors when drawing circles, and makes construction more accurate. This device has a simple structure, is easy to assemble, has extremely low cost, is highly practical, and is suitable for widespread use.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a universal circle drawing vernier, including a positioning cone and a second clamping mechanism set on a retractable measuring tape, wherein the positioning cone is provided with a first clamping mechanism, which is used to clamp and limit the retractable measuring tape;

[0006] The second clamping mechanism is used to clamp and limit the main body of the paintbrush.

[0007] Preferably, the first clamping mechanism includes a fixed rod disposed on a positioning cone and a nut seat fixedly connected to the fixed rod, wherein a first clamping bolt is threadedly connected to the nut seat.

[0008] Preferably, the positioning cone is provided with scale markings.

[0009] Preferably, the second clamping mechanism comprises a sleeve arranged at the initial position of the winding tape, and the inside of the sleeve is provided with a brush clamping groove, and the brush body is movably clamped in the brush clamping groove.

[0010] Preferably, the side surface of the sleeve is threadedly connected with a second clamping bolt for clamping the brush body.

[0011] The utility model discloses a kind of universal circle drawing loft cursor, and it has the beneficial effects as follows:

[0012] The universal circle drawing loft cursor is compact in structure, convenient to stretch or retract at will during use, easy to operate, can be carried on one's person, suitable for circle drawing loft tools in various complex environments, especially in complex environment limited space and aerial work, get rid of the restriction of fixed gauge, error is small when drawing circle, construction is more accurate, the device is simple in structure, easy to assemble, extremely low in cost, strong in practicality, and suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0014] Fig. 1 It is a whole structure schematic view of the present utility model;

[0015] Fig. 2 It is a structure schematic view of the first clamping mechanism of the present utility model;

[0016] Fig. 3 It is a structure schematic view of the second clamping mechanism of the present utility model.

[0017] In the drawing: 1, winding tape;2, positioning cone;21, scale mark;3, first clamping mechanism;31, fixed rod;32, nut seat;33, first clamping bolt;4, second clamping mechanism;41, sleeve;42, brush clamping groove;43, second clamping bolt;5, brush body. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present utility model more clear, the technical scheme in the embodiments of the present utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present utility model.

[0019] The embodiment of the present application provides a universal circle drawing and lofting cursor, solves the problem that the tools for assisting in drawing a circle are generally large in size and cannot be used once in a high altitude or a limited space such as equipment modification, and causes difficulty or even burden to production, and the larger the diameter of the circle drawn by using the traditional tool, the larger and longer the tool used.

[0020] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0021] The utility model discloses a universal circle drawing and lofting cursor, according to the attached Figs. 1-3 As shown in the figure, including setting on the winding ruler 1 positioning cone 2 and the second clamping mechanism 4, positioning cone 2 is equipped with scale mark 21, positioning cone 2 is used to center in target circle center position, to facilitate drawing circle lofting, scale mark 21 is convenient for indicating the scale mark on winding ruler 1, to determine the radius that needs to draw a circle;

[0022] Positioning cone 2 is equipped with the first clamping mechanism 3, and the first clamping mechanism 3 is used to clamp and limit winding ruler 1, and the first clamping mechanism 3 includes fixed rod 31 arranged on positioning cone 2 and nut seat 32 fixedly connected on fixed rod 31, and first clamping bolt 33 is screw connected on nut seat 32;

[0023] The device is designed through the first clamping mechanism 3, so that the first clamping mechanism 3 is convenient for realizing the clamping and limiting of the scale position of winding ruler 1, to determine the radius of circle lofting.

[0024] The second clamping mechanism 4 is used for clamping and limiting the brush body 5, and the second clamping mechanism 4 includes a sleeve 41 arranged at the initial position of the winding ruler 1, a brush clamping groove 42 is arranged in the sleeve 41, the brush body 5 is movably clamped in the brush clamping groove 42, and a second clamping bolt 43 for clamping the brush body 5 is screw connected on the side surface of the sleeve 41, and the device is designed through the second clamping mechanism 4, so that the brush body 5 is conveniently fixed in the inside of the sleeve 41, that is, fixed at the initial position of the measurement of the winding ruler 1;

[0025] The universal circle drawing and lofting cursor is used, first, the winding ruler 1 is lofted to the target radius length, then the ruler body of winding ruler 1 is clamped between positioning cone 2 and nut seat 32, at this time, scale mark 21 is aligned with the ruler body target length position of winding ruler 1, so that the ruler body is equal to the radius of the circle lofting, and first clamping bolt 33 is rotated, so that first clamping bolt 33 clamps and limits the ruler body.

[0026] Then the brush body 5 is clamped in the sleeve 41, the second clamping bolt 43 is rotated to clamp the brush body 5, then the positioning cone 2 is placed in the target center position, and the positioning cone 2 is rotated to drive the winding ruler 1 and the ruler body to rotate, so that the winding ruler 1 drives the second clamping mechanism 4 and the brush body 5 to rotate, and then the brush body 5 is used to draw a circle and lofting;

[0027] The universal circle drawing and lofting cursor has the advantages of compact structure, convenient and fast operation, portability, and suitability for circle drawing and lofting tools in various complex environments, especially in complex environment limited space and high-altitude operation, and can break the limitation of fixed measuring tools, has small error during circle drawing, and is more accurate in construction.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A universal circle drawing and layout cursor, comprising a positioning cone (2) and a second clamping mechanism (4) arranged on a winding tape (1), characterized in that, The positioning cone (2) is provided with a first clamping mechanism (3), which is used for clamping and limiting the winding ruler (1); The second clamping mechanism (4) is used for clamping and limiting the paint body (5); The first clamping mechanism (3) comprises a fixed rod (31) arranged on the positioning cone (2) and a nut seat (32) fixedly connected to the fixed rod (31), and the nut seat (32) is threadedly connected with a first clamping bolt (33); The positioning cone (2) is provided with a scale mark (21).

2. A universal circle setting-out cursor according to claim 1, wherein, The second clamping mechanism (4) comprises a sleeve (41) arranged at the initial position of the winding ruler (1), the inside of the sleeve (41) is provided with a paint clamping groove (42), and the paint body (5) is movably clamped in the paint clamping groove (42).

3. A universal circle setting-out cursor according to claim 2, wherein, The side surface of the sleeve (41) is threadedly connected with a second clamping bolt (43) used for clamping the paint body (5).