CN214449827U

CN214449827U - Length quick positioning ruler for drawing

Info

Publication number: CN214449827U
Application number: CN202120432287.0U
Authority: CN
Inventors: 李晓燕; 杨伟贤; 李毅; 徐张; 张鹏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-22
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a length quick positioning ruler for drawing, including the ruler, locating plate and positioner, the ruler includes bottom plate and scale plate, the bottom plate is installed on the bottom surface of scale plate, processing has the scale mark on the scale plate, bottom plate upper surface processing is fluted, processing has the bar groove on the scale plate, the locating plate is installed to bottom plate one end, install in the recess and to follow the gliding positioner of bar groove length direction, positioner includes the slide, preforming and spring, the one end processing that the slide is close to the locating plate has the bump that surpasss the scale plate, preforming one end is installed on the slide, the other end is to the perk on the bar groove, install the spring between preforming and the slide. The utility model discloses a set up positioner between bottom plate and scale, can remove the bump to appointed length's position fast according to the length of ruling, can draw the straight line of length standard fast, can remove the condition that length untimely causes the rule thickness to differ from simultaneously, make the drawing more pleasing to the eye.

Description

Length quick positioning ruler for drawing

Technical Field

The utility model relates to a drawing instrument field especially relates to a length quick positioning chi for drawing.

Background

When drawing, need confirm the length of drawing the lines through the ruler to measure the length of lines, but often can cause the marking off overlength because length is uncertain at the in-process of drawing, or because the length of marking off is uncertain make the drawing speed of straight line differ lead to the fact the straight line rear end thickness to differ, influence pleasing to the eye, consequently need a ruler with locate function to improve drawing speed and guarantee the pleasing to the eye of drawing.

Disclosure of Invention

An object of the utility model is to provide a length quick positioning chi for drawing.

The utility model aims at realizing through the following technical scheme:

a length quick positioning ruler for drawing comprises a ruler, a positioning plate and a positioning device, wherein the ruler comprises a bottom plate and a scale plate, the bottom plate is arranged on the bottom surface of the scale plate, scale marks are processed on the scale plate, grooves distributed along the length direction of the scale marks are processed on the upper surface of the bottom plate, a strip-shaped groove communicated with the groove is processed along the length direction of the scale plate, a positioning plate is arranged at one end of the bottom plate, the side wall of the positioning plate close to one end of the bottom plate is superposed with the 0 scale mark of the scale plate, a positioning device which can slide along the length direction of the strip-shaped groove is arranged in the groove, the positioning device comprises a sliding plate, a pressing plate and a spring, the sliding plate can slide in the groove, one end of the sliding plate close to the positioning plate is provided with a convex point exceeding the scale plate, one end of the pressing sheet is installed on the sliding plate, the other end of the pressing sheet tilts towards the strip-shaped groove, and a spring for jacking the pressing sheet is installed between the pressing sheet and the sliding plate.

The side wall of the scale plate with scale marks is wider than the bottom plate.

And a cavity for accommodating the salient points is processed at one end of the positioning plate close to the ruler.

And a limiting groove for limiting the spring is processed on the sliding plate.

The preforming comprises integrated into one piece's broadplate and leptoprosopy, the one end that the leptoprosopy was kept away from to the broadplate is fixed with the slide, the width of leptoprosopy and the width adaptation in bar groove, and the leptoprosopy is located the bar inslot.

The utility model provides a length quick positioning ruler for drawing has the beneficial effect of:

(1) the positioning device is arranged between the bottom plate and the graduated scale, so that the salient points can be quickly moved to the positions with the specified lengths according to the length of the marked lines, the lines are marked along the length of the graduated scale, after the positions of the salient points are met, straight lines with standard lengths can be quickly drawn, the condition that the marked lines are different in thickness due to irregular lengths can be avoided, and the drawing is more attractive;

(2) the width of the scale plate exceeds the width of the bottom plate, so that the condition that the marking pen and the bottom plate rub against each other in the drawing process can be prevented, and the drawing is smoother;

(3) the cavity for accommodating the salient points of the positioning device is processed on the positioning plate, so that the positioning device can be retracted without the need of positioning length, and the influence of the salient points on the positioning device on drawing is avoided;

(4) the limiting groove is processed on the sliding plate, so that the spring can be prevented from sliding and the positioning of the pressing sheet can be prevented from being influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in the embodiment of the present invention.

Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic top view of a positioning device according to an embodiment of the present invention.

Fig. 4 is a side view of a positioning device according to an embodiment of the present invention.

Reference numerals: 1. a straightedge; 11. a base plate; 12. a groove; 13. a scale plate; 14. scale lines; 15. a strip-shaped groove; 2. positioning a plate; 21. a cavity; 3. a positioning device; 31. a slide plate; 311. a limiting groove; 312. salient points; 32. tabletting; 321. a wide plate; 322. a narrow plate; 33. a spring.

Detailed Description

Examples

As shown in fig. 1 to 4, the length fast positioning ruler for drawing provided by this embodiment includes a ruler 1, a positioning plate 2 and a positioning device 3, where the ruler 1 includes a bottom plate 11 and a scale plate 13, the bottom plate 11 is installed on the bottom surface of the scale plate 13, scale marks 14 are processed on the scale plate 13, the side wall of the scale plate 13 where the scale marks 14 are processed is wider than the bottom plate 11, so as to avoid friction between a drawing pen and the bottom plate 11 during drawing, leaving marks on the ruler 1, which affects the beauty of the ruler 1, grooves 12 distributed along the length direction of the scale marks 14 are processed on the upper surface of the bottom plate 11, a strip-shaped groove 15 communicated with the grooves 12 is processed along the length direction of the scale plate 13, the positioning plate 2 is installed at one end of the bottom plate 11, and the side wall of the positioning plate 2 near one end of the bottom plate 11 coincides with the scale marks 14 of the scale plate 13, in order to ensure the adhesion between the ruler 1 and the drawing plate, the bottom surface of locating plate 2 and the bottom surface coplane of bottom plate 11, install in the recess 12 and follow the gliding positioner 3 of bar groove 15 length direction, positioner 3 includes slide 31, preforming 32 and spring 33, slide 31 can slide in recess 12, the one end processing that slide 31 is close to locating plate 2 has the bump 312 that surpasss scale plate 13, during the use, slides bump 312 to fixed position, and the length that shows the line aligns when the pen drawing moves bump 312, the one end processing that locating plate 2 is close to ruler 1 has the cavity 21 that holds bump 312, can hide bump 312 through cavity 21 when not needing location length to avoid bump 312 to influence normal marking off, preforming 32 one end is installed on slide 31, and the other end upwarps to bar groove 15, installs the spring 33 that jack up preforming 32 between preforming 32 and the slide 31, the spring 33 can increase the friction force between the pressing sheet 32 and the scale, so as to lock the position of the salient point 312 and prevent the salient point 312 from deviating after positioning, the sliding plate 31 is provided with a limiting groove 311 for limiting the spring 33, and the spring 33 is preferably a spring 33 sheet in order to reduce the thickness of the ruler 1.

In order to prevent the pressing sheet 32 from deviating, the pressing sheet 32 is composed of a wide plate 321 and a narrow plate 322 which are integrally formed, one end of the wide plate 321, which is far away from the narrow plate 322, is fixed with the sliding plate 31, the width of the narrow plate 322 is matched with the width of the strip-shaped groove 15, and the narrow plate 322 is located in the strip-shaped groove 15, so that when the positioning device is used, the wide plate 321 can increase the friction force between the wide plate 321 and the scale plate 13, and the positioning device 3 is ensured not to shake.

The utility model discloses a use method is:

when the positioning device is used, a drawing is placed on a drawing board, the drawing is pressed by the ruler 1, then the pressing sheet 32 is pressed according to the length of the drawn line according to the requirement, the spring 33 is compressed, the friction force between the pressing sheet 32 and the scale plate 13 disappears, then the pressing sheet is pressed to slide in the strip-shaped groove 15, the salient point 312 is moved to the position with the appointed length, then the pressing sheet is loosened, the spring 33 is recovered, the pressing sheet 32 is jacked up by the elastic force of the spring 33, the pressing sheet 32 is in contact with the scale plate 13, the salient point 312 of the positioning device 3 is prevented from sliding by the friction force between the pressing sheet 32 and the scale plate 13, and then a straight line with the corresponding length is drawn on the drawing board by the drawing pen. When the positioning length is not needed, the pressing piece 32 is pressed down, and the protruding points 312 on the positioning device 3 are pushed into the cavity 21 of the positioning plate 2, and the straight ruler 1 becomes a common drawing ruler.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted to avoid unnecessarily limiting the invention.

Claims

1. The utility model provides a length quick positioning chi for drawing which characterized in that: including ruler, locating plate and positioner, the ruler includes bottom plate and scale plate, and the bottom plate is installed on the bottom surface of scale plate, and processing has the scale mark on the scale plate, and processing of bottom plate upper surface has the recess that distributes along scale mark length direction, the scale plate has the bar groove with the recess intercommunication along length direction processing, and the locating plate is installed to bottom plate one end, and the locating plate is close to the lateral wall of bottom plate one end and the coincidence of 0 scale mark of scale plate, install in the recess and can follow the gliding positioner of bar groove length direction, positioner includes slide, preforming and spring, the slide can slide in the recess, and the one end processing that the slide is close to the locating plate has the bump that surpasss the scale plate, preforming one end is installed on the slide, and the other end perks on the bar groove, installs the spring of jack-up preforming between preforming and the slide.

2. A quick length positioning ruler for drawing according to claim 1, wherein: the side wall of the scale plate with scale marks is wider than the bottom plate.

3. A quick length positioning ruler for drawing according to claim 1, wherein: and a cavity for accommodating the salient points is processed at one end of the positioning plate close to the ruler.

4. A quick length positioning ruler for drawing according to claim 1, wherein: and a limiting groove for limiting the spring is processed on the sliding plate.

5. A quick length positioning ruler for drawing according to claim 1, wherein: the preforming comprises integrated into one piece's broadplate and leptoprosopy, the one end that the leptoprosopy was kept away from to the broadplate is fixed with the slide, the width of leptoprosopy and the width adaptation in bar groove, and the leptoprosopy is located the bar inslot.