CN212148162U - Multi-angle tracing and marking ruler - Google Patents
Multi-angle tracing and marking ruler Download PDFInfo
- Publication number
- CN212148162U CN212148162U CN202020904561.5U CN202020904561U CN212148162U CN 212148162 U CN212148162 U CN 212148162U CN 202020904561 U CN202020904561 U CN 202020904561U CN 212148162 U CN212148162 U CN 212148162U
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- CN
- China
- Prior art keywords
- ruler
- angle
- connecting shaft
- scale
- slider
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a multi-angle is traced and is dotted marking off chi, its characterized in that: comprises a straight ruler, an angle scale, a vacuum chuck and a slide block; the vacuum sucker comprises a connecting shaft and a sucker arranged at one end of the connecting shaft; the angle scale is fixedly arranged on the connecting shaft and is arranged on the same central shaft as the connecting shaft; one end of the straight ruler is sleeved on the connecting shaft so as to enable the straight ruler to do circular motion by taking the center line of the connecting shaft as an axis; the slider activity sets up on the ruler, and ruler axial reciprocating motion can be followed to it, the slider has the through-hole that can supply the pen-hold to pass, the utility model discloses simple structure adsorbs on the blackboard through vacuum chuck is fixed, and the ruler is rotatory around the connecting axle, and rotatory to required angle according to the scale mark of angle scale, and then draws the slash of required angle, and the slider draws the central point of different angular position along with the ruler rotation, and the slider can follow ruler axial motion, is convenient for draw the central point on the same angle slash to the progress of mr or student's teaching of solving the problem.
Description
Technical Field
The utility model relates to a multi-angle is traced and is dotted marking off chi.
Background
In the process of mathematical education or problem solving, teachers or students often need to draw angles or circles on a blackboard to perform auxiliary solving, but the existing angle oblique lines are drawn or points are drawn by means of compasses, circles can be drawn only through a straight ruler and a round ruler in a splicing mode, the oblique lines of the required angles cannot be drawn quickly, the oblique lines of the required angles can only be drawn through a set square, and multi-angle drawing cannot be achieved.
Disclosure of Invention
To the defect that above-mentioned prior art exists, the to-be-solved technical problem of the utility model is: a multi-angle tracing ruler is provided.
A multi-angle tracing and marking ruler comprises a straight ruler, an angle scale, a vacuum chuck and a slide block; the vacuum sucker comprises a connecting shaft and a sucker arranged at one end of the connecting shaft;
the angle scale is fixedly arranged on the connecting shaft and is arranged on the same central shaft as the connecting shaft; one end of the straight ruler is sleeved on the connecting shaft so as to enable the straight ruler to do circular motion by taking the center line of the connecting shaft as an axis; the sliding block is movably arranged on the ruler and can axially reciprocate along the ruler, and the sliding block is provided with a through hole through which a pen end can pass.
In one embodiment, the connecting shaft is global to be equipped with the external screw thread along the circumference, screw-thread fit has the retaining member on the external screw thread, the retaining member reciprocates along the external screw thread and supports and hold ruler or angle scale.
In one embodiment, a movable groove penetrates through the upper end face of the ruler, the movable groove and the ruler are arranged in the same axial direction, and the sliding block is movably arranged in the movable groove.
In one embodiment, the active slot centerline intersects the angular scale centerline.
In one embodiment, the lower end of the through hole is a conical surface, and the lower end opening of the through hole is larger than the diameter of the pen end so as to be in clearance fit with the pen end.
In one embodiment, the upper end of the sliding block is provided with a notch, the notch extension line is intersected with the central line of the through hole, and the notch is arranged in parallel with the scale mark of the straight scale.
In one embodiment, the ruler is arranged above the angle scale, the ruler is made of transparent materials, and the height of the ruler is larger than that of the angle scale.
In one embodiment, the angle scale is arranged above the ruler, and the angle scale is made of transparent materials.
To sum up, the utility model discloses for its beneficial effect of prior art is:
the utility model discloses simple structure, through the fixed absorption of vacuum chuck on the blackboard, the ruler is rotatory around the connecting axle, and according to the scale mark rotation of angle scale to required angle, and then portrays the slash of required angle, and the slider is portrayed the centre of a circle point of different angular position along with the ruler rotation, and the slider can follow ruler axial displacement, is convenient for portray the centre of a circle point on the same angle slash to accelerate the progress of mr or student's teaching of solving the problem.
Drawings
Fig. 1 is a schematic perspective view illustrating a multi-angle drawing ruler according to an embodiment of the present invention;
fig. 2 is an exploded view of a multi-angle tracing ruler according to an embodiment of the present invention;
fig. 3 is a schematic sectional view of a multi-angle tracing ruler according to an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:
as shown in fig. 1 to 3, the embodiment of the present invention preferably provides a multi-angle tracing and marking ruler, which comprises a ruler 1, an angle scale 2, a vacuum chuck 3 and a slide block 4; the vacuum sucker 3 comprises a connecting shaft 5 and a sucker 6 arranged at one end of the connecting shaft 5;
the angle scale 2 is fixedly arranged on the connecting shaft 5 and is arranged on the same central axis as the connecting shaft 5; one end of the straight scale 1 is sleeved on the connecting shaft 5 so as to enable the straight scale to do circular motion by taking the central line of the connecting shaft 5 as an axis; slider 4 activity sets up on ruler 1, and it can follow 1 axial reciprocating motion of ruler, slider 4 has the through-hole 7 that can supply the pen-hold to pass, and is concrete, through 3 fixed absorption on the blackboard of vacuum chuck, and ruler 1 is rotatory around connecting axle 5, and the scale mark according to angle scale 2 is rotatory to required angle, and then draws the slash of required angle, and slider 4 rotates the centre of a circle point of drawing different angular position along with ruler 1, and 1 axial motion of ruler can be followed to slider 4, is convenient for draw the centre of a circle point on the same angle slash to the progress of mr or student's solution teaching is accelerated.
5 global external screw threads 8 that are equipped with along the circumference of connecting axle, screw-thread fit has retaining member 9 on the external screw thread 8, retaining member 9 reciprocates along external screw thread 8 and supports and hold ruler 1 or angle scale 2, and is concrete, when vacuum suction disc 3 adsorbs when being fixed in on the blackboard, ruler 1 is rotatory to required angle back according to the scale mark of angle scale 2, through rotatory retaining member 9 so that reciprocate along external screw thread 8 and support and hold ruler 1 or angle scale 2 on, so that the centre gripping is fixed, be convenient for remove slider 4 and remove along ruler 1, draw the central point on the same angle slash, make the accessible compasses directly draw the circle according to the central point.
The upper end face of the ruler 1 penetrates through a movable groove 10, the movable groove 10 and the ruler 1 are arranged in the same axial direction, and the sliding block 4 is movably arranged in the movable groove 10.
The center line of the movable slot 10 is intersected with the center line of the angle scale 2.
The lower end of the through hole 7 is a conical surface, the opening of the lower end of the through hole is larger than the diameter of the pen end so as to be in clearance fit with the pen end, and the chalk end or the ink pen or the pencil can directly penetrate through the through hole 7 to draw a circle center point on a corresponding blackboard or paper.
4 upper ends of slider are equipped with nick 11, nick 11 extension line with through-hole 7 central line is crossing, nick 11 with ruler 1's scale mark parallel arrangement, it is specific, when slider 4 followed ruler 1 axial displacement, can judge the distance of single centre of a circle point or the distance size between a plurality of centre of a circle points according to nick 11 and ruler 1's scale mark coincidence position.
The angle scale 2 is arranged above the ruler 1, and the angle scale 2 is made of transparent materials.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A multi-angle drawing and marking ruler is characterized in that: comprises a ruler (1), an angle scale (2), a vacuum sucker (3) and a slide block (4); the vacuum sucker (3) comprises a connecting shaft (5) and a sucker (6) arranged at one end of the connecting shaft (5); the angle scale (2) is fixedly arranged on the connecting shaft (5) and is arranged with the connecting shaft (5) in the same central axis; one end of the straight scale (1) is sleeved on the connecting shaft (5) so as to enable the straight scale to do circular motion by taking the central line of the connecting shaft (5) as an axis; the slider (4) activity sets up on ruler (1), and it can follow ruler (1) axial reciprocating motion, slider (4) have through-hole (7) that can supply the pen end to pass.
2. A multi-angle scribing ruler as claimed in claim 1, wherein: connecting axle (5) is global to be equipped with external screw thread (8) along the circumference, screw-thread fit has retaining member (9) on external screw thread (8), retaining member (9) reciprocate along external screw thread (8) and support and hold ruler (1) or angle scale (2).
3. A multi-angle scribing ruler as claimed in claim 1, wherein: the upper end face of the ruler (1) penetrates through a movable groove (10), the movable groove (10) and the ruler (1) are arranged in the same axial direction, and the sliding block (4) is movably arranged in the movable groove (10).
4. A multi-angle scribing ruler as claimed in claim 3, wherein: the center line of the movable groove (10) is intersected with the center line of the angle scale (2).
5. A multi-angle scribing ruler as claimed in claim 4, wherein: the lower end of the through hole (7) is a conical surface, and the opening at the lower end of the through hole is larger than the diameter of the pen end so as to be in clearance fit with the pen end.
6. A multi-angle scribing ruler as claimed in any one of claims 1 to 5, wherein: slider (4) upper end is equipped with nick (11), nick (11) extension line with through-hole (7) central line is crossing, nick (11) with the scale mark parallel arrangement of ruler (1).
7. A multi-angle scribing ruler as claimed in claim 2, wherein: ruler (1) sets up in angle scale (2) top, ruler (1) is transparent material, ruler (1) height is greater than angle scale (2) height.
8. A multi-angle scribing ruler as claimed in claim 2, wherein: the angle scale (2) is arranged above the ruler (1), and the angle scale (2) is made of transparent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020904561.5U CN212148162U (en) | 2020-05-26 | 2020-05-26 | Multi-angle tracing and marking ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020904561.5U CN212148162U (en) | 2020-05-26 | 2020-05-26 | Multi-angle tracing and marking ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212148162U true CN212148162U (en) | 2020-12-15 |
Family
ID=73706943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020904561.5U Expired - Fee Related CN212148162U (en) | 2020-05-26 | 2020-05-26 | Multi-angle tracing and marking ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212148162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617413A (en) * | 2020-12-16 | 2021-04-09 | 河南科技学院 | Multifunctional workbench for garment structure design |
-
2020
- 2020-05-26 CN CN202020904561.5U patent/CN212148162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617413A (en) * | 2020-12-16 | 2021-04-09 | 河南科技学院 | Multifunctional workbench for garment structure design |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 Termination date: 20210526 |