CN201405632Y - Sliding perpendicular ruler - Google Patents
Sliding perpendicular ruler Download PDFInfo
- Publication number
- CN201405632Y CN201405632Y CN2009201495839U CN200920149583U CN201405632Y CN 201405632 Y CN201405632 Y CN 201405632Y CN 2009201495839 U CN2009201495839 U CN 2009201495839U CN 200920149583 U CN200920149583 U CN 200920149583U CN 201405632 Y CN201405632 Y CN 201405632Y
- Authority
- CN
- China
- Prior art keywords
- straight
- bar
- chute
- sliding
- sliding rail
- Prior art date
- 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)
Abstract
A sliding perpendicular ruler relates to drawing tools of student stationery, and can bring users the convenience in drawing the height, perpendicular lines and parallel lines of geometric figures. The ruler comprises two straight rods which are provided with a chute and a sliding rail respectively, wherein the chute and the sliding rail on the straight rods are matched with each other; the sliding rail on one straight rod is embedded in the chute of the other straight rod for fit connection; the sliding rail can be moved in the chute, and the two straight rods are always perpendicular to eachother during the sliding; and length graduation lines and marks are engraved on the two straight rods. When in use, one of the straight rods is fixed relatively, and the other straight rod is moved to an assigned position, so that a user can draw the height, perpendicular lines and parallel lines conveniently. The ruler is much more convenient than set squares and straight scales in drawing.
Description
Technical field
The utility model relates to the drawing instrument in the student stationery, especially a kind of sliding miter square that can help the student to make height easily, make vertical line, draw parallel lines.
Background technology
At present, in students in middle and primary schools, generally use set square to make height on the geometric figure base, make the vertical line of straight line, use the combination of set square and ruler to draw parallel lines, but in actual teaching, the student utilizes two right-angle sides of set square to do high being difficult to and holds, and utilizes the combination of set square and ruler to draw parallel lines and is difficult to operation, and these difficulties have very big relation with defectives of drawing tools.
Summary of the invention
For high to the student to geometric work, make vertical line and draw parallel lines to bring convenience, it is convenient to bring for the drawing designer when drawing, the utility model provides sliding miter square.
The technical solution of the utility model: sliding miter square, two straight-bars that have chute and slide rail, chute and slide rail on these two straight-bars complement one another, slide rail on straight-bar is embedded in the chute of another root straight-bar and is connected, and slide rail can move in chute, in the process of sliding, two straight-bars remain mutually vertically, are carved with graduation mark and the mark of representing length on two straight-bars.When using the utility model that a certain base of figure made height or made vertical line, as long as a straight-bar of sliding miter square is close on the base of figure, move another root straight-bar to assigned address, by just can make height or the vertical line on the figure appointment base easily in the method for its edge picture straight line; When using the utility model to draw parallel lines, the position relative fixed of a straight-bar moves another root straight-bar, whenever moves the line that once draws at its edge, has so just obtained one group of parallel lines.
Beneficial effect: because the utility model is made up of two straight-bars that agree with mutually, these two straight-bars are remaining dynamic vertical relation mutually in agreeing with mobile process, the student is as long as be close to the base to a straight-bar of sliding miter square, move another root straight-bar and just can make height easily to assigned address, Billy with set square do high, to make vertical line much easier, it is more apparent quick to utilize sliding miter square to draw parallel lines.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a kind of outline drawing of the present utility model.
In the drawings: 1. trough of belt straight-bar, 2. band rail straight-bar, 3. chute, 4. slide rail
The specific embodiment
In Fig. 1, have slide rail (4) on the band rail straight-bar (2), have chute (3) on the trough of belt straight-bar (1), slide rail (4) is embedded in the chute (3) and is connected, slide rail (4) can move up and down in chute (3), and it is vertical to be with rail straight-bar (2) and trough of belt straight-bar (1) to remain, and band rail straight-bar (2) respectively has a side in same plane with trough of belt straight-bar (1), make that band rail straight-bar (2) all can be close to paper with trough of belt straight-bar (1) when mapping.When drawing parallel lines, sliding miter square is placed on the paper, moves up and down band rail straight-bar (2) and just can be close to the edge of being with rail straight-bar (2) many straight lines that are parallel to each other that draw with pen; Do high, when making vertical line, can put the sliding miter square half-twist of Fig. 1 position, the edge of trough of belt straight-bar (1) overlaps with the base of figure, and move left and right band rail straight-bar (2) just can be close to pen and be with the edge of rail straight-bar (2) to make height easily, make vertical line in place.
Be carved with the graduation mark and the mark of expression length on band rail straight-bar (2) and trough of belt straight-bar (1), the utility model can also be used as common ruler use like this.
If 0 graduation mark of expression length above the band rail straight-bar (2) is overlapped with the edge of trough of belt straight-bar (1), the utility model can also be measured the distance that geometric height, metric point arrive straight line easily so.
Claims (3)
1. sliding miter square, it is characterized in that: two straight-bars that have chute and slide rail, chute and slide rail on the straight-bar complement one another, slide rail on straight-bar is embedded in the chute of another root straight-bar and is connected, this mode that is connected is: slide rail can move in chute, and two straight-bars are vertical mutually.
2. sliding miter square according to claim 1 is characterized in that: on two straight-bars graduation mark and the mark of representing length arranged.
3. sliding miter square according to claim 1 is characterized in that: wherein represent that 0 graduation mark of length overlaps with the edge of another root straight-bar on a straight-bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201495839U CN201405632Y (en) | 2009-05-04 | 2009-05-04 | Sliding perpendicular ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201495839U CN201405632Y (en) | 2009-05-04 | 2009-05-04 | Sliding perpendicular ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201405632Y true CN201405632Y (en) | 2010-02-17 |
Family
ID=41676559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201495839U Expired - Fee Related CN201405632Y (en) | 2009-05-04 | 2009-05-04 | Sliding perpendicular ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201405632Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691173A (en) * | 2015-01-09 | 2015-06-10 | 周维保 | Height gauge for plane figure |
-
2009
- 2009-05-04 CN CN2009201495839U patent/CN201405632Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691173A (en) * | 2015-01-09 | 2015-06-10 | 周维保 | Height gauge for plane figure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20110504 |