CN216139736U - Multifunctional drawing tool - Google Patents

Abstract

The utility model discloses a multifunctional drawing tool which comprises a handle and a ruler, wherein the handle comprises a connecting part and a free part, a first through hole is formed in the connecting part, the ruler is rotatably and/or movably arranged in the first through hole, a needle point is arranged on the handle, clamping grooves are formed in two ends of the ruler, and length scale marks are arranged on the ruler. The handle and the ruler are integrated into a whole, so that the ruler is convenient to carry, parallel lines, vertical lines, circular arcs, circles, concentric circles and the like can be drawn quickly and accurately according to given sizes, conversion of different tools in drawing is reduced, and drawing efficiency is improved; the utility model integrates the functions of the ruler, the protractor, the compasses and the like by utilizing the ingenious structural design, has simple structure, convenient drawing use and high drawing efficiency and accuracy, reduces the weight of a set of drawing tools, has low manufacturing cost and has good popularization and use values.

Description

Multifunctional drawing tool

Technical Field

The utility model relates to the technical field of drawing tools, in particular to a multifunctional drawing tool.

Background

In mechanical design drawing or site mapping or engineering communication, sketching is often performed by hand, which generally requires a tool other than a pen or a ruler. The prior common ruler and some drawing tools combined and invented have the problems of low accuracy, low efficiency and the like when drawing the most common parallel line segments, vertical line segments, circles and circular arcs. For example, when drawing parallel lines in on-site surveying and mapping, in order to meet drawing requirements, the straight ruler needs to be used for fixing points and then drawing, during drawing, the straight ruler needs to be used for measuring required length, then fixing points, repeating the steps for multiple times, and finally connecting a plurality of fixed points through the straight ruler to draw straight lines parallel to the edges, so that the whole process needs to move the position of the straight ruler back and forth, and the operation is inconvenient.

In view of the above, the present inventors have conducted extensive studies to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional drawing tool which is simple in structure, reasonable in design and capable of improving drawing efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a multifunctional drawing tool, including the handle and with the ruler of handle cross arrangement, the handle includes connecting portion and free portion, be provided with the confession on the connecting portion the first through-hole that the ruler was worn to put, the ruler sets up with rotatable and/or removal in the first through-hole, the handle is close to the one end of connecting portion is provided with the needle point, the both ends of ruler all are provided with the draw-in groove that supplies pencil or chalk to place, be provided with length scale on the ruler and mark.

Preferably, a locking member for limiting the mutual movement and/or rotation of the handle and the ruler is arranged at the position where the handle and the ruler intersect.

Preferably, the middle part of ruler is provided with the confession the recess that the retaining member worn to put and removed, the recess is followed the length direction of ruler extends, the recess by one side of ruler runs through to the opposite side.

Preferably, the handle is provided with a second through hole for the retaining member to penetrate through, and the retaining member penetrates through the second through hole and abuts against the ruler.

Preferably, the locking member is a bolt, and an internal thread matched with the external thread of the bolt is arranged on the side wall of the second through hole.

Preferably, the handle is provided with a groove for the needle tip to stretch, a pressing telescopic structure is arranged in the groove, and the pressing telescopic structure is connected with the needle tip so as to extend or retract the needle tip into the groove in a pressing mode.

Preferably, one end of the handle, which is far away from the connecting part, is provided with a concave part which is convenient for human fingers to hold, and the curved surface of the concave part conforms to the curve of the root of the finger.

Preferably, the handle is a second ruler, length scale marks are arranged on the second ruler, and angle measuring scale marks are arranged on the handle.

Preferably, a fixing part for fixing the pencil or the chalk to move is arranged at the clamping groove.

Preferably, the handle and the straightedge are both made of transparent material.

By adopting the design scheme, the utility model has the beneficial effects that: the handle drawn with the angle scale marks and the ruler drawn with the length scale marks are integrated into a whole, so that the portable ruler is convenient to carry, and parallel lines, vertical lines, circular arcs, circles, concentric circles and the like can be quickly and accurately drawn according to given sizes through function combination, so that the conversion of different tools in drawing is reduced, and the drawing efficiency is improved; meanwhile, the locking structure can prevent the change of the ruler, the pencil or the chalk in the drawing process. The utility model integrates the functions of the ruler, the protractor, the compasses and the like by utilizing the ingenious structural design, has simple structure, convenient drawing use and high drawing efficiency and accuracy, reduces the weight of a set of drawing tools, has low manufacturing cost and has good popularization and use values.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of another embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;

in the figure: the handle comprises a handle 1, a connecting part 11, a free part 12, a concave part 121, a first through hole 13, a first end 131, a second end 132, an angle scale mark 14, a straight scale 2, a length scale mark 21, a clamping groove 22, a groove 23, a bolt 3, a head 31, a plate 4, a needle point 5, a line segment a, a line segment b and an angle alpha.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

For convenience of description, the longitudinal direction of the handle 1 (described in detail below) is defined as a longitudinal direction, and the width direction of the handle 1 is defined as a transverse direction.

The first embodiment is as follows: refer to fig. 1 to 3

The utility model provides a multi-functional drawing tool, includes handle 1 and the ruler 2 of setting with handle 1 alternately, and handle 1 includes connecting portion 11 and free portion 12, is provided with the first through-hole 13 that supplies ruler 2 to wear to put on connecting portion 11, and ruler 2 sets up in first through-hole 13 rotatably and/or with removing. Specifically, the length of the first through hole 13 in the longitudinal direction (i.e., the line segment a) is greater than or equal to the length of the straight edge 2 in the longitudinal direction (i.e., the line segment b), i.e., when the length of the line segment a is equal to the length of the line segment b, the straight edge 2 can move only in the lateral direction of the first through hole 13; when the length of the line segment a is greater than the length of the line segment b, the straight edge 2 can move in the transverse direction of the first through hole 13 and can swing in the longitudinal direction, and the swing angle of the straight edge 2 is limited by the length of the line segment a. It is worth mentioning that the first through hole 13 comprises a first end 131 limiting the straight edge 2 to continue swinging upwards and a second end 132 limiting the straight edge 2 to continue swinging downwards in the longitudinal direction, the angle of swinging of the straight edge 2 depending on the setting of the length of the line segment a.

Further, the position that handle 1 and ruler 2 intersect is provided with and is used for restricting the two retaining member that removes and/or rotate each other, the retaining member is bolt 3, and is concrete, and bolt 3 includes head 31 and screw rod (not shown in the figure), and the middle part of ruler 2 sets up and supplies bolt 3 the recess 23 that the screw rod portion worn to put and remove, and recess 23 extends along the length direction of ruler 2, and runs through to the opposite side by one side of ruler 2, the diameter of screw rod is roughly the same with the width of recess 23. One end of the handle 1 close to the connecting part 11 is provided with a second through hole (not shown in the figure) for the bolt 3 to penetrate through, the bolt 3 penetrates through the second through hole and is tightly propped against the ruler 2, and the side wall of the second through hole is provided with an internal thread (not shown in the figure) matched with the external thread of the bolt 3. It should be noted that the locking member in this embodiment can be a bolt 3, but other locking structures can be used for locking, which are not described herein.

Further, the ruler 2 is provided with length scale marks 21, and the handle 1 is provided with angle scale marks 14. The handle 1 and the ruler 2 are made of transparent materials. The user can see the marks printed on the ruler 2 and the handle 1 clearly. The free part 12 of the handle 1 is provided with a concave part 121 which is convenient for human fingers to hold, and the curved surface of the concave part 121 conforms to the curve of the root of the finger. Of course, the handle 1 may also coincide with the straightedge 2, which is not described here.

As shown in fig. 2, in the present embodiment, when the present invention is used to measure the included angle between two straight lines, the included angle can be directly measured by the angle scale mark 14 of the handle 1; it is also possible to align the two straight lines with the handle 1 and the straightedge 2 and then read the value of the angle scale 14 of the handle 1.

In this embodiment, when two straight lines having an included angle are drawn by using the present invention, the handle 1 and the ruler 2 are rotated to adjust the required angle α, when the groove 23 of the ruler 2 is aligned with the angle scale mark 14 and is smaller than 90 °, the angle α is +90 ° measured when the groove 23 of the ruler 2 is aligned with the angle scale mark 14, and when the groove 23 of the ruler 2 is aligned with the angle scale mark 14 and is greater than 90 °, the angle α is-90 ° measured when the groove 23 of the ruler 2 is aligned with the angle scale mark 14, the bolt 3 locks the ruler 2 on the handle 1, and finally the direction and the length of the two straight lines are drawn through the ruler 2 and the handle 1.

In this embodiment, the handle 1 and the straightedge 2 can also be combined into a t-square structure, that is, when the groove 23 of the straightedge 2 is aligned with the angle scale mark 14 and equal to 0 ° or 180 °, two mutually perpendicular line segments can be conveniently drawn.

The utility model can directly measure and draw two straight lines with an included angle, does not need switching tools, and has simple operation and convenient carrying.

As shown in fig. 3, it is a matter of course that the embodiment may also draw lines parallel to the edges on the actual object (for example, the plate 4) with edges in field mapping or engineering technical communication, so as to facilitate the need of cutting and other processes in the later stage. Specifically, make pencil or chalk set up on having the position of certain distance in one side from handle 1 through removing ruler 2 earlier, place panel 4 in the contained angle department of handle 1 and ruler 2, then wait to draw the one end steady movement of parallel line through handheld handle 1 along panel 4, draw out the parallel line that has certain distance apart from one side of panel 4.

Example two: with reference to FIGS. 1 and 4

The second embodiment is different from the first embodiment only in that a groove (not shown) is formed at one end of the handle 1 close to the connecting part 11, a pressing telescopic structure is arranged in the groove, and a needle point 5 is arranged at the tail end of the pressing telescopic structure so as to extend or retract the needle point 5 into or out of the groove in a pressing manner. The setting of pressing extending structure in this embodiment has both made things convenient for the use, avoids 5 fish tail personnel of needle point when not using simultaneously. It should be noted that the pressing telescopic structure in the present embodiment may adopt a conventional pressing telescopic structure, which is not described herein.

Furthermore, both ends of the ruler 2 are provided with a plurality of clamping grooves 22 for placing pencils or chalks, and fixing parts (not shown in the figure) are arranged at the clamping grooves 22. It should be noted that the fixing member in this embodiment may have the same structure as the locking member (bolt 3) in the first embodiment, or may have different structures, and may be arranged according to actual situations, which is not described herein.

In the embodiment, when the utility model is used for drawing an arc line or a circle with a certain radius, a drawing tool such as a pencil or chalk is placed in one clamping groove 22, and the pencil or the chalk is locked in the clamping groove 22 by the corresponding fixing piece; then moving the straight ruler 2 to set a pencil or a chalk at a position with a certain distance from the needle point 5, and then locking the straight ruler 2 on the handle 1 by the corresponding fixing piece; and then the needle point 5 is extended out of the groove by pressing the telescopic structure, then the needle point 5 is placed on a plane of a graph to be drawn, the handle 1 is rotated by taking the needle point 5 as the center of a circle, and a required arc line or circle is drawn.

In the present embodiment, when the present invention is used to draw concentric circles with a certain radius, an arc or a circle is drawn in the same manner, except that a plurality of pencils or chalks are respectively placed on both sides of the handle 1, then the needle tip 5 is placed on a plane of a figure to be drawn, and the handle 1 is rotated around the needle tip 5 to draw a desired concentric circle.

Before an arc line, a circle or a concentric circle needs to be drawn, the pencil or the chalk is moved to the corresponding position according to the length scale mark 21 on the ruler 2, so that the radius of the arc line, the circle or the concentric circle is fixed, the conventional drawing mode that the distance between two support legs of the compass is measured through the graduated scale and is used as the radius is changed, and the drawing precision and the drawing accuracy are greatly improved.

By adopting the design scheme, the utility model has the beneficial effects that: the handle 1 drawn with the angle scale marks 14 and the ruler 2 drawn with the length scale marks 21 are integrated into a whole, so that the portable ruler is convenient to carry, and can be used for quickly and accurately drawing parallel lines, vertical lines, circular arcs, circles, concentric circles and the like according to given sizes through function combination, thereby reducing the conversion of different tools in drawing and improving the drawing efficiency; meanwhile, the locking structure can prevent the change of the straight ruler 2 or the pencil or the chalk in the drawing process. The utility model integrates the functions of the ruler, the protractor, the compasses and the like by utilizing the ingenious structural design, has simple structure, convenient drawing use and high drawing efficiency and accuracy, reduces the weight of a set of drawing tools, has low manufacturing cost and has good popularization and use values.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A multifunctional drawing tool is characterized in that: including the handle and with handle cross arrangement's ruler, the handle includes connecting portion and free portion, be provided with the confession on the connecting portion the first through-hole that the ruler was worn to put, the ruler sets up with rotatable and/or removal in the first through-hole, the handle is close to the one end of connecting portion is provided with the needle point, the both ends of ruler all are provided with the draw-in groove that supplies pencil or chalk to place, be provided with the length scale on the ruler and mark.

2. The multi-purpose drawing instrument of claim 1, wherein: and a locking piece for limiting the mutual movement and/or rotation of the handle and the ruler is arranged at the crossed position of the handle and the ruler.

3. A multi-functional drawing implement according to claim 2, wherein: the middle part of ruler is provided with the confession the retaining member wears to put and the recess that removes, the recess is followed the length direction of ruler extends, the recess by one side of ruler is run through to the opposite side.

4. A multi-functional drawing implement according to claim 2, wherein: the handle is provided with a second through hole for the locking piece to penetrate through, and the locking piece penetrates through the second through hole and tightly abuts against the ruler.

5. The multi-purpose drawing instrument of claim 4, wherein: the retaining member is a bolt, and an internal thread matched with the external thread of the bolt is arranged on the side wall of the second through hole.

6. The multi-purpose drawing instrument of claim 1, wherein: the handle is provided with a groove for the needle tip to stretch, a pressing telescopic structure is arranged in the groove and connected with the needle tip so as to enable the needle tip to extend out of or retract into the groove in a pressing mode.

7. The multi-purpose drawing instrument of claim 1, wherein: one end of the handle, which is far away from the connecting part, is provided with a concave part which is convenient for human fingers to hold, and the curved surface of the concave part conforms to the curve of the root of the finger.

8. The multi-purpose drawing instrument of claim 1, wherein: the handle is the second ruler, be provided with the angulation scale on the handle and mark, be provided with the length scale on the second ruler and mark.

9. The multi-purpose drawing instrument of claim 1, wherein: and a fixing piece for fixing the pencil or the chalk to move is arranged at the clamping groove.

10. The multi-purpose drawing instrument of claim 1, wherein: the handle and the ruler are made of transparent materials.

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