CN110843386A - T-shaped ruler for teaching - Google Patents
T-shaped ruler for teaching Download PDFInfo
- Publication number
- CN110843386A CN110843386A CN201810949668.9A CN201810949668A CN110843386A CN 110843386 A CN110843386 A CN 110843386A CN 201810949668 A CN201810949668 A CN 201810949668A CN 110843386 A CN110843386 A CN 110843386A
- Authority
- CN
- China
- Prior art keywords
- ruler
- shaped
- dovetail groove
- functional
- main body
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract 7
- 238000005259 measurement Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/005—Straightedges combined with other drawing aids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
- B43L7/12—Square and pivoted straightedges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
- B43L7/14—Square and sliding straight edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/02—Rulers with scales or marks for direct reading
- G01B3/04—Rulers with scales or marks for direct reading rigid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
- G01B3/563—Protractors
Abstract
The invention discloses a T-shaped ruler for teaching, which solves the problems that two perpendicular straight lines are complex to draw, the precision is low, long line segments cannot be drawn, and angle drawing and measurement cannot be performed in the prior art. The T-shaped ruler comprises an angle measuring ruler and a T-shaped ruler body, a dovetail groove with an installation groove at one end is arranged on the T-shaped ruler body, and a dovetail groove sliding block with a screw cap and a threaded column is arranged in the dovetail groove; the function ruler comprises a function ruler main body, and an installation head matched with the threaded column is arranged on the function ruler main body. The invention has simple structure, scientific and reasonable design, convenient use and high drawing precision, and can simultaneously operate and draw angles, two vertical straight lines and long line segments exceeding the ruler body of the T-shaped ruler.
Description
Technical Field
The invention relates to a T-shaped ruler for teaching.
Background
T type chi is the most common drawing rule, and current T type chi can not change the length of chi at will, and when the line that draws exceeded the length of chi body itself, external other chi draw the precision and can not obtain the guarantee completely to use conventional T type chi to draw two mutually perpendicular straight lines the operating procedure very loaded down with trivial details, current T type chi function is also very single simultaneously, can' T carry out the angle and draw and measure.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a T type chi is used in teaching, solves prior art and draws two mutually perpendicular straight lines very loaded down with trivial details precision low, can 'T draw the long line section and can' T carry out angle and draw and measured problem.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a T-shaped ruler for teaching comprises a T-shaped ruler and a functional ruler, wherein the T-shaped ruler comprises an angle measuring ruler and a T-shaped ruler body, one end of the T-shaped ruler body is vertically fixed on the linear edge of the angle measuring ruler and is provided with a main scale, a dovetail groove with a mounting groove at one end is formed in the longitudinal center line of one surface, provided with the main scale, of the T-shaped ruler body, the dovetail groove horizontally extends to the angle measuring ruler, is formed in the angle measuring ruler, is internally provided with a dovetail groove sliding block, is mounted in the dovetail groove through the mounting groove and can freely slide in the dovetail groove, a threaded column with a nut is fixed in the center of the top surface of the dovetail groove sliding block, is vertical to the T-shaped ruler body, and the free end of the threaded column extends out of the dovetail groove and is positioned above the T-shaped ruler body; the functional ruler comprises a functional ruler main body, wherein auxiliary scales are arranged on two sides of the functional ruler main body, an installing head is arranged at the free end of the functional ruler main body, a through hole matched with the threaded column is formed in the installing head, a fixing clamping groove matched with the T-shaped ruler body is formed between the installing head and the free end of the functional ruler main body, the functional ruler main body is used for the through hole, the threaded column and the nut which are detachably fixed on the dovetail groove sliding block and can freely slide relative to the T-shaped ruler body, the functional ruler main body slides to the free end of the T-shaped ruler body and rotates to be connected with the auxiliary scales on one side of the functional ruler main body when the T-shaped ruler body is located on the same straight line.
Further, the T-shaped ruler body and the functional ruler main body are consistent in width.
Furthermore, one end of the T-shaped ruler body is vertically fixed at the middle point of the straight line edge of the angle measuring ruler.
Furthermore, one end of the T-shaped ruler body and the middle point of the straight line edge of the angle measuring ruler are of an integral structure.
Furthermore, the dovetail groove sliding block and the thread column are of an integrated structure.
Further, the mounting head and the function ruler main body are of an integral structure.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention has simple structure, scientific and reasonable design, convenient use and high drawing precision, and can simultaneously operate and draw angles, two vertical straight lines and long line segments exceeding the ruler body of the T-shaped ruler.
(2) The angle measuring ruler is arranged, so that the angle can be conveniently drawn and measured.
(3) According to the invention, the T-shaped ruler body is provided with the functional ruler in sliding connection with the T-shaped ruler body, so that two vertical straight lines can be drawn conveniently and accurately, and the T-shaped ruler body and the functional ruler can be fixed at any angle through the through hole, the threaded column and the nut, so that the T-shaped ruler is convenient and flexible, and the application range of the T-shaped ruler is expanded.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
FIG. 3 is a schematic view showing a functional ruler main body and a T-shaped ruler body of the present invention in a straight line.
FIG. 4 is a side view of the functional ruler body of the present invention.
FIG. 5 is a schematic view of a dovetail slider structure.
Wherein, the names corresponding to the reference numbers are:
1-functional ruler body, 2-angle measuring ruler, 3-T type ruler body, 4-main scale, 5-mounting groove, 6-dovetail groove, 7-dovetail groove slide block, 8-threaded column, 11-mounting head, 12-through hole, 13-fixed slot, 14-nut and 15-auxiliary scale.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in figures 1-5, the T-shaped ruler for teaching provided by the invention has the advantages of simple structure, scientific and reasonable design, convenience in use and high drawing precision, and can be used for simultaneously drawing an angle, two vertical straight lines and a long line segment exceeding the body of the T-shaped ruler. The invention comprises a T-shaped ruler and a functional ruler which is connected with the T-shaped ruler in a sliding way, wherein the T-shaped ruler comprises an angle measuring ruler 2 and a T-shaped ruler body 3, one end of the T-shaped ruler body 3 is vertically fixed on the straight line side of the angle measuring ruler 2 and is provided with a main scale 4, and one end of the T-shaped ruler body 3 is vertically fixed at the middle point of the straight line side of the angle measuring ruler 2.
According to the invention, a dovetail groove 6 with a mounting groove 5 at one end is formed in the longitudinal center line of one surface, provided with main scales 4, of a T-shaped ruler body 3, the dovetail groove 6 horizontally extends to the angle ruler 2, the mounting groove 5 is formed in the angle ruler 2, a dovetail groove sliding block 7 is arranged in the dovetail groove 6, the dovetail groove sliding block 7 is mounted in the dovetail groove 6 through the mounting groove 5 and can freely slide in the dovetail groove 6, a threaded column 8 with a screw cap 14 is fixed in the center of the top surface of the dovetail groove sliding block 7, the threaded column 8 is vertical to the T-shaped ruler body 3, and the free end of the threaded column 8 extends out of the dovetail groove 6 and is positioned above the T-shaped ruler body 3.
According to the invention, the T-shaped ruler body is provided with the functional ruler in sliding connection with the T-shaped ruler body, so that two vertical straight lines can be drawn conveniently and accurately, and the T-shaped ruler body and the functional ruler can be fixed at any angle through the through hole, the threaded column and the nut, so that the T-shaped ruler is convenient and flexible, and the application range of the T-shaped ruler is expanded.
The functional ruler comprises a functional ruler main body 1, wherein auxiliary scales 15 are arranged on two sides of the functional ruler main body 1, a mounting head 11 is arranged at the free end of the functional ruler main body 1, a through hole 12 matched with the threaded column 8 is formed in the mounting head 11, a fixing clamping groove 13 matched with the T-shaped ruler body 3 is formed between the mounting head 11 and the free end of the functional ruler main body 1, the functional ruler main body 1 is used for the through hole 12, the threaded column 8 and the nut 14 are detachably fixed on the dovetail groove sliding block 7 and can freely slide relative to the T-shaped ruler body 3, the functional ruler main body 1 slides to the free end of the T-shaped ruler body 3 and rotates to be connected with the auxiliary scales 15 on one side of the functional ruler main body 1 and the main scales 4 when the T-shaped ruler body 3 is located on the same straight line.
In order to further ensure the precision of the invention when in use, the width of the T-shaped ruler body 3 is consistent with that of the functional ruler main body 1, one end of the T-shaped ruler body 3 and the middle point of the straight line side of the angle measuring ruler 2 are in an integral structure, the dovetail groove slide block 7 and the threaded column 8 are in an integral structure, and the mounting head 11 and the functional ruler main body 1 are in an integral structure.
The invention has ingenious conception and low manufacturing cost, can be produced in a large scale in a factory, and is suitable for being widely popularized and applied in the technical field.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a teaching is with T type chi which characterized in that: the T-shaped ruler comprises a T-shaped ruler and a functional ruler, wherein the T-shaped ruler comprises an angle measuring ruler (2) and a T-shaped ruler body (3) with one end vertically fixed on the straight line edge of the angle measuring ruler (2) and main scales (4), a dovetail groove (6) with an installation groove (5) at one end is formed in the longitudinal center line of one surface, with the main scales (4), of the T-shaped ruler body (3), the dovetail groove (6) horizontally extends to the angle measuring ruler (2) and the installation groove (5) is formed in the angle measuring ruler (2), a dovetail groove sliding block (7) is arranged in the dovetail groove (6), the dovetail groove sliding block (7) is installed in the dovetail groove (6) through the installation groove (5) and can freely slide in the dovetail groove (6), and a threaded column (8) with a nut (14) is fixed in the central position of the top surface of the dovetail groove sliding block (7), the T-shaped ruler body (3) of the threaded column (8) is vertical to each other, and the free end of the threaded column extends out of the dovetail groove (6) and is positioned above the T-shaped ruler body (3); the functional ruler comprises a functional ruler main body (1), auxiliary scales (15) are arranged on two sides of the functional ruler main body (1), an installation head (11) is arranged at the free end of the functional ruler main body (1), a through hole (12) matched with the threaded column (8) is formed in the installation head (11), a fixing clamping groove (13) matched with the T-shaped ruler body (3) is formed between the free end of the functional ruler main body (1), the functional ruler main body (1) is used for the through hole (12), the threaded column (8) and the nut (14) are detachably fixed on a dovetail groove sliding block (7) and can freely slide relative to the T-shaped ruler body (3), the functional ruler main body (1) slides to the T-shaped ruler body (3) free end and rotates to the T-shaped ruler body (3) and the auxiliary scales (15) on one side of the functional ruler main body (1) when the T-shaped ruler body (3) is located on the same straight line ) Is connected with the main scale (4).
2. A teaching T-ruler as claimed in claim 1, wherein: the width of the T-shaped ruler body (3) is consistent with that of the functional ruler main body (1).
3. A teaching T-ruler as claimed in claim 2, wherein: one end of the T-shaped ruler body (3) is vertically fixed at the middle point of the straight line edge of the angle measuring ruler (2).
4. A teaching T-ruler as claimed in claim 3, wherein: one end of the T-shaped ruler body (3) and the middle point of the straight line edge of the angle measuring ruler (2) are of an integral structure.
5. A teaching T-ruler as claimed in claim 4, wherein: the dovetail groove sliding block (7) and the threaded column (8) are of an integrated structure.
6. A teaching T-ruler as claimed in claim 5, wherein: the mounting head (11) and the functional ruler main body (1) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949668.9A CN110843386A (en) | 2018-08-20 | 2018-08-20 | T-shaped ruler for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949668.9A CN110843386A (en) | 2018-08-20 | 2018-08-20 | T-shaped ruler for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110843386A true CN110843386A (en) | 2020-02-28 |
Family
ID=69595134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810949668.9A Pending CN110843386A (en) | 2018-08-20 | 2018-08-20 | T-shaped ruler for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110843386A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09300882A (en) * | 1996-05-09 | 1997-11-25 | Yoshiyuki Kaneshiro | Portable drawing machine |
| CN2299724Y (en) * | 1997-09-19 | 1998-12-09 | 张金和 | Drawing instrument for use on blackboard |
| CN102774184A (en) * | 2011-09-23 | 2012-11-14 | 刘洋 | Cleaning-type drawing ruler with high locating accuracy |
| CN207594601U (en) * | 2017-08-17 | 2018-07-10 | 李宗霖 | Multifunctional ruler |
| CN108317925A (en) * | 2018-03-08 | 2018-07-24 | 成都众宜天成科技有限公司 | A kind of 360 ° of angle squares of portable |
-
2018
- 2018-08-20 CN CN201810949668.9A patent/CN110843386A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09300882A (en) * | 1996-05-09 | 1997-11-25 | Yoshiyuki Kaneshiro | Portable drawing machine |
| CN2299724Y (en) * | 1997-09-19 | 1998-12-09 | 张金和 | Drawing instrument for use on blackboard |
| CN102774184A (en) * | 2011-09-23 | 2012-11-14 | 刘洋 | Cleaning-type drawing ruler with high locating accuracy |
| CN207594601U (en) * | 2017-08-17 | 2018-07-10 | 李宗霖 | Multifunctional ruler |
| CN108317925A (en) * | 2018-03-08 | 2018-07-24 | 成都众宜天成科技有限公司 | A kind of 360 ° of angle squares of portable |
Non-Patent Citations (1)
| Title |
|---|
| 尹传恒: "GPS偏心分量的测量方法研究", 《铁道勘察》 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200228 |