CN103465696A - Multipurpose surveying and mapping pen - Google Patents

Abstract

The invention relates to a multipurpose surveying and mapping pen, which consists of a main pen, an auxiliary pen, a ruler and a scale cover. The main pen includes the nib of the main pen, the upper shell of the main pen and the lower shell of the main pen; the auxiliary pen includes the nib of the auxiliary pen, the upper shell of the auxiliary pen and the lower shell of the auxiliary pen; The nib of the main pen is used as a support point for surveying and mapping, and the nib of the secondary pen is used for painting. The main pen and the auxiliary pen have grooves on the circumferential surface along their respective axes and positions of equal height, so that the two pens can be embedded in one body through a ruler, or can be disassembled so that the pen slides in the ruler to realize surveying and mapping straight line function. With the main pen as the center of rotation, the sub-pen can be fixed at any position on the ruler by turning the threaded knob. The sub-pen is driven by the ruler to rotate, and the angle can be determined through the scale sleeve clamped on the main pen, realizing the surveying and mapping of any circle. , arc, sector, and radius and angle functions. The invention has the advantages of simple structure, safe use, low cost and easy operation, without losing the drawing quality and improving the drawing efficiency.

Description

multi-purpose mapping pen

technical field

The invention relates to a multipurpose surveying and mapping pen capable of drawing and measuring elements such as straight lines, circles, circular arcs, fan shapes and specific angles.

Background technique

In the daily drawing process, draftsmen often need to use a series of surveying and drawing tools, such as rulers, compasses, T-squares, set squares, protractors, etc. to draw and measure elements such as straight lines, circles, arcs, sectors, and angles of specific angles. One or a combination of the above-mentioned surveying and mapping tools is often required in daily life and work. For example, when drawing a sector with a specific central angle, first use a straightedge to draw a straight line, then use a protractor to measure a specific angle, with the help of an auxiliary dotted line, use a straightedge to measure and draw another radius, and finally use a compass to draw a circle arc. When drawing more complex graphics, two or even three surveying and mapping tools are required to be used together, which makes it inconvenient for people to carry and the process of surveying and mapping is complicated.

Contents of the invention

In view of the above problems, a multi-purpose surveying pen is proposed, which can realize the drawing and measurement of elements such as straight lines, circles, arcs, sectors, and corners with specific angles without repositioning the ruler, and is easy to operate and high in accuracy.

The basic technical scheme is:

The multi-purpose surveying pen consists of a main pen, an auxiliary pen, a ruler and a scale set. The main pen includes the nib of the main pen, the upper shell of the main pen and the lower shell of the main pen; the auxiliary pen includes the nib of the auxiliary pen, the upper shell of the auxiliary pen and the lower shell of the auxiliary pen; arrow pointing. There is a knob on the top of the main pen upper shell. The connection between the main pen upper shell and the main pen lower shell is formed by connecting the cylinder with the external thread of the main pen lower shell with the internal threaded cylindrical groove of the main pen upper shell. The connection between the upper shell of the auxiliary pen and the lower shell of the auxiliary pen is formed by connecting the cylinder with the external thread of the lower shell of the auxiliary pen with the cylindrical groove of the inner thread of the upper shell of the auxiliary pen. The nib of the main pen is used as a support point for drawing and measuring straight lines, circles, arcs, fans and angles at specific angles, and the nib of the secondary pen is used for drawing. The main pen and the auxiliary pen have grooves on the circumferential surfaces along their respective axes and positions of equal height, so that the main pen and the auxiliary pen can be inlaid in one body through a ruler, and can also be disassembled, so that the main pen and the auxiliary pen can be placed in the ruler. Swipe back and forth to realize the functions of drawing and measuring straight lines. When drawing and measuring circles, arcs, sectors, and corners with a specific radius, the main pen is used as the center of rotation. By turning the knob, the secondary pen can be precisely fixed at any position on the ruler, and the secondary pen is driven by the ruler. Turn to realize the determination of a specific radius; by clamping the scale sleeve on the main pen, the angle of rotation can be accurately determined, so as to realize the function of measuring and drawing any circle, arc, fan, and radius and angle of a specific angle.

The beneficial effects of the present invention are:

1. Through the combination of main pen, auxiliary pen and ruler, the present invention realizes the combination of functions and structures of different surveying and mapping tools, and increases the integration of multi-purpose surveying and mapping pens;

2. The main pen, auxiliary pen, ruler and scale set designed by the present invention realize the function of measuring and drawing any straight line, circle, arc, sector and the radius and angle of a specific angle, increasing the versatility of the multi-purpose surveying and mapping pen and functionality;

3. The present invention has the advantages of simple structure, easy to carry, convenient to use, easy to operate, and low cost, without losing the drawing quality and improving the drawing efficiency.

Description of drawings

Accompanying drawing 1: Schematic diagram of the structure of the present invention.

Accompanying drawing 2: The schematic diagram when the present invention is integrated.

In the figure: 1 main pen nib, 2 main pen lower case, 3 scale set, 4 pair of pen nibs, 5 pair of pen lower case, 6 ruler, 7 main pen upper case, 8 pair of pen upper case.

Detailed ways

The specific structure and implementation mode of the present invention will be further described below in conjunction with the accompanying drawings.

The structure diagram of the present invention is shown in Fig. 1 . The multi-purpose surveying pen consists of the main pen nib (1), the main pen lower shell (2), the main pen upper shell (7), the main pen and the auxiliary pen nib (4), the auxiliary pen lower shell (5) and the auxiliary pen upper shell (8) Deputy pen, and ruler (6) and scale cover (3) constitute. The secondary pen nib (4) is used for painting, and the main pen nib (1) is used as a supporting point for drawing and measuring straight lines, circles, arcs, fan shapes and angles of specific angles. The main pen lower shell (2) has a cylinder with external threads, and is connected with the main pen upper shell (7) with a cylindrical groove with internal threads; the auxiliary pen lower shell (5) has a cylinder with external threads, and the auxiliary pen upper shell (8) ) cylindrical groove connection with internal thread. The ruler (6) utilizes its slotted structure and one end opening, and is installed on the sub-pen lower case (2), the sub-pen upper case (3), and the main pen upper case (6) and the main pen lower case (5). part of the groove. The scale cover (3) is stuck on the main pen lower shell (5), and is located below the ruler (6). In this way, the whole multipurpose surveying and mapping pen has been formed.

The working process of the present invention when in use is as follows:

When drawing a circle with a specific radius, tighten the knob on the main pen upper shell (7), so that the main pen composed of the main pen upper shell (7), the main pen lower shell (2) and the main pen nib (1) is fixed on the ruler (6 ), the accessory pen composed of the accessory pen upper shell (8), the accessory pen lower shell (2) and the accessory pen nib (4) slides back and forth on the ruler (6) along the scale on the ruler (6) until it slides To the predetermined scale position to determine the radius, and then fix the secondary pen. Hold the knob on the main pen and turn it around to draw a circle with a specific radius.

When drawing a sector with a specific central angle, first draw one of the radiuses, and make a mark at the end point of the radius, and then fix the upper shell (8), the lower shell (2) and the lower shell (2) according to the length of the radius. The secondary pen formed by the secondary pen nib (4) is on the corresponding scale of the ruler (6). The main pen consisting of the main pen upper shell (7), the main pen lower shell (2) and the main pen nib (1) is placed on the zero scale of the ruler (6) and the main pen nib (1) is placed at the center of the circle, and held by hand , use the other hand to hold the auxiliary pen, and drive the ruler (6) to rotate around the main pen together, use the scale of the scale sleeve (3) on the lower shell (2) of the main pen, and pass the indicator arrow on the ruler (6) , you can determine the angle of rotation, and use the secondary pen to draw the arc of the angle on the paper and connect the end point of the arc and the starting point of the radius to draw a sector with a specific central angle.

When measuring a straight line of a certain length, first stand the nib of the main pen (1) on one end point of the straight line, and put the upper shell (8) of the auxiliary pen, the lower shell of the auxiliary pen (2) and the nib of the auxiliary pen (4) The auxiliary pen moves to the other end point of the straight line along the ruler (6). At this time, the main pen and the auxiliary pen composed of the main pen upper shell (7), the main pen lower shell (2) and the main pen nib (1) are in the straight line. The scale difference clamped on the ruler (6) is the length of the straight line.

When measuring elements such as arcs, sectors or corners at a certain angle, first use the nib of the main pen (1) to stand on the center of the corner, and make the upper shell (8) of the auxiliary pen, the lower shell (2) and the nib of the auxiliary pen stand on the center of the angle. (4) Slide the secondary pen along the ruler (6) to a suitable position, and on the same straight line on one side of the corner, and then keep the main pen upper shell (7), the main pen lower shell (2) and the main pen nib ( 1) The composed main pen does not move, and the knob on the main pen is turned to the other side of the corner by hand. At this time, use the scale of the scale sleeve (3) on the lower shell (2) of the main pen to pass the scale on the ruler (6). By pointing the arrow, the angle of rotation can be determined, that is, the size of the measured angle can be obtained.

The schematic diagram when the present invention is integrated is shown in Fig. 2 . The multi-purpose surveying pen consists of the main pen nib (1), the main pen lower shell (2), the main pen upper shell (7), the main pen and the auxiliary pen nib (4), the auxiliary pen lower shell (5) and the auxiliary pen upper shell (8) Deputy pen, and ruler (6) and scale cover (3) constitute. The nib (4) of the auxiliary pen is stuck in the groove of the upper casing (7) of the main pen, so that the main pen and the auxiliary pen are combined into one. The ruler (6) utilizes its slotted structure and one end opening, and is installed on the sub-pen lower case (2), the sub-pen upper case (3), and the main pen upper case (6) and the main pen lower case (5). A groove portion in the axial direction. In this way, the form when the multifunctional pen is integrated into one body is formed.

Claims (1)

1. a kind of multipurpose surveying and mapping pen is made up of main pen, secondary pen, ruler and scale cover; It is characterized in that: described main pen comprises main pen nib, main pen upper shell and main pen lower shell; Described secondary pen comprises secondary pen nib, The upper shell of the auxiliary pen and the lower shell of the auxiliary pen; the ruler is slotted and one end is open, and an indicated arrow is printed on the length direction near the non-open end; the top of the upper shell of the main pen is provided with a knob; the upper shell of the main pen and the The connection of the lower shell of the main pen is formed by connecting the cylinder with external thread of the lower shell of the main pen with the cylindrical groove of the upper shell of the main pen with internal threads; the connection between the upper shell of the auxiliary pen and the lower shell of the auxiliary pen is through the lower shell of the auxiliary pen The cylinder with external thread is connected with the cylindrical groove with internal thread on the upper shell of the auxiliary pen; the tip of the main pen is used as a support point for drawing and measuring straight lines, circles, arcs, sectors and specific angles, and the auxiliary pen The nib is used for painting; the main pen and the auxiliary pen have grooves on the circumferential surface along their respective axes and equal height positions, so that the main pen and the auxiliary pen can be inlaid in one body by a ruler, and can also be disassembled, so that the main pen and the auxiliary pen It can slide back and forth in the ruler, so as to realize the function of drawing and measuring straight lines; when drawing and measuring circles, arcs, fan shapes and angles with a specific radius, the main pen acts as the center of rotation, and by turning the knob, the sub The pen is precisely fixed at any position of the ruler, and the auxiliary pen is driven by the ruler to determine the specific radius; by clamping the scale sleeve on the main pen, the angle of rotation can be accurately determined, so as to realize measuring and drawing any circle, Functions for arcs, sectors, and radii and angles for specific angles.

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