CN113635695A - Telescopic folding multifunctional novel ruler for teaching and engineering drawing - Google Patents
Telescopic folding multifunctional novel ruler for teaching and engineering drawing Download PDFInfo
- Publication number
- CN113635695A CN113635695A CN202111039589.2A CN202111039589A CN113635695A CN 113635695 A CN113635695 A CN 113635695A CN 202111039589 A CN202111039589 A CN 202111039589A CN 113635695 A CN113635695 A CN 113635695A
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- ruler
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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
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
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Abstract
The invention discloses a telescopic folding multifunctional novel ruler for teaching and engineering drafting, which is characterized by comprising a centering disc, wherein the centering disc is rotatably connected with a first ruler strip and is provided with an angle dividing ruler, the first ruler strip is provided with a first sliding groove, the first sliding groove is slidably connected with a second ruler strip and is provided with a first dividing ruler, the second ruler strip is provided with a second sliding groove, the second sliding groove is slidably connected with a sliding block and is provided with a second dividing ruler, and the sliding block is provided with a pen cap. The invention has the following beneficial effects: the ruler can replace traditional geometric measurement and drawing tools such as rulers, compasses, protractors, gradienters and vernier calipers, has multiple purposes, is telescopic and foldable, occupies less space, and is easy to store and use.
Description
Technical Field
The invention relates to a ruler, in particular to a novel telescopic folding multifunctional ruler for teaching and engineering drafting.
Background
The traditional geometric measuring and drawing tools such as straightedges, compasses, protractors, gradienters and vernier calipers are independent of each other, have single function and need to be purchased respectively. The novel ruler and compass integrates various functions of measuring and drawing tools such as a ruler, compasses, a protractor, a level meter and a vernier caliper, realizes multiple purposes by one device, and realizes telescopic folding. The problems of a large variety of measuring and drawing tools, large occupied space, difficulty in storage, poor hand feeling and the like in the field of teaching and engineering drawing are solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel telescopic folding multifunctional ruler for teaching and engineering drafting.
In order to achieve the purpose, the invention provides the following technical scheme: teaching and engineering drawing are with scalable folding multi-functional novel ruler of drawing, including centering disc, centering disc rotates and is connected with first chi strip to be provided with the angle scale, first chi strip is provided with first spout, and first spout sliding connection has the second chi strip, and is provided with first scale, and the second chi strip is provided with the second spout, and second spout sliding connection has the slider, and is provided with the second scale, and the slider is provided with the pen socket.
The invention is further configured to: the first ruler strip is provided with a connecting ring, the centering disc is provided with a connecting column, the bottom of the centering disc is provided with a positioning piece which is coaxial with the connecting column, the connecting ring is sleeved on the connecting column, and the connecting column penetrates through the connecting ring and is connected with a fixing ring.
The invention is further configured to: the connecting ring is provided with a connecting hole, the connecting hole is in threaded connection with a connecting bolt, and one end of the connecting bolt extends into the connecting ring and is used for abutting against the connecting column.
The invention is further configured to: the pen cap is provided with a fixing hole, the fixing hole is in threaded connection with a fixing screw, and one end of the fixing screw extends into the pen cap to be abutted against the pen body.
The invention is further configured to: the inner walls of the two sides of the first sliding groove are provided with first limiting grooves, and the two sides of the second ruler strip are provided with first limiting blocks connected with the corresponding first limiting grooves in a sliding mode.
The invention is further configured to: and one side of the first ruler strip is also in threaded connection with a positioning screw, and one end of the positioning screw is used for extending into the corresponding first limiting groove to abut against a first limiting block in sliding connection with the first limiting groove.
The invention is further configured to: the inner walls of the two sides of the second sliding groove are respectively provided with a second limiting groove, the two sides of the sliding block are respectively provided with a second limiting block which is connected with the corresponding second limiting groove in a sliding mode, and the bottom of the front end of the second ruler strip is provided with a supporting block.
The invention is further configured to: the slider still is provided with the locating plate, and locating plate threaded connection has fastening screw, and fastening screw's one end is used for the butt on the second chi strip.
The invention is further configured to: the first ruler strip or the second ruler strip is also provided with a horizontal bubble.
The invention is further configured to: the positioning piece is detachably connected with a sucker.
In conclusion, the invention has the following beneficial effects: the centering disc is placed on the plane, on the paper like blackboard or desktop, adjust the angle of centering disc with angle scale, insert chalk or painting brush in the pen socket, and through the first chi strip pivoted angle of angle scale location, and then the accurate positioning painting brush is for the angle of positioning disc in the plane, through the sliding connection of second chi strip and first spout and the cooperation of first scale, flexible for first chi strip precision, through the cooperation of slider with second spout sliding connection and second scale, further accurate positioning to the position of slider and pen socket and painting brush, thereby can draw the figure accurately. The ruler can replace traditional geometric measurement and drawing tools such as rulers, compasses, protractors, gradienters and vernier calipers, has multiple purposes, is telescopic and foldable, occupies less space, and is easy to store and use. When drawing the straight line, with centering disc and first chi strip fixed connection, only need the second chi strip flexible, the pen socket of inserting the pen slides along with the slider, and first scale of cooperation and second scale avoid the pen to rock or skew, ensure that the line of drawing is straight and the size is accurate, has revolutionized traditional pen to touch and has hugged closely the scale border and carry out the drawing mode that slides. And the structure and the use mode of the traditional compasses are revolutionized. When drawing a circle, the positions of the second ruler strip and the slide block are adjusted, the second ruler strip and the slide block are fixed after the radius is determined, and then the centering disc is used as the circle center to rotate so as to draw the circle. This novel ruler, no longer need the two prong structures of traditional compasses. In order to draw the circumference of different radiuses, the novel ruler no longer needs to change the operation mode of span size between two support legs of the traditional compasses, and the radius is determined conveniently, quickly and accurately. By changing the length of the precise nesting structure between the inner chute and the outer chute, the folding, the contraction and the portability are realized, and the occupied space is reduced. In the field of teaching and engineering drawing, a teacher can draw on a blackboard conveniently, and a reduced version of the blackboard is convenient for students to draw on a homework book. The function of protractor can also be realized to cooperation angle scale.
Drawings
FIG. 1 is a first perspective view of a ruler;
FIG. 2 is a schematic view of a first attachment structure of the gauge;
FIG. 3 is a second perspective view of the ruler;
FIG. 4 is a second connecting structure of the ruler.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1-4, teaching and engineering drawing are with multi-functional novel ruler of scalable folding, including centering disc 1, centering disc 1 rotates and is connected with first chi strip 2 to be provided with the angle scale, first chi strip 2 is provided with first spout 21, first spout 21 sliding connection has second chi strip 3, and is provided with first scale, and second chi strip 3 is provided with second spout 31, and second spout 31 sliding connection has slider 4 to be provided with the second scale, and slider 4 is provided with pen socket 5.
Through the scheme, centering disc 1 is placed on the plane, if on the paper of blackboard or desktop, adjust centering disc 1's angle with the angle scale, insert chalk or painting brush in pen socket 5, and fix a position first chi strip 2 pivoted angle through the angle scale, and then the accurate positioning painting brush is in the plane for positioning disc 1's angle, sliding connection through second chi strip 3 and first spout 21 and the cooperation of first scale, it is flexible for 2 precision of first chi strip, cooperation through slider 4 and 31 sliding connection of second spout and second scale, further accurate positioning to the position of slider 4 and pen socket 5 and painting brush, thereby can accurately draw the figure. The ruler can replace traditional geometric measurement and drawing tools such as rulers, compasses, protractors, gradienters and vernier calipers, has multiple purposes, is telescopic and foldable, occupies less space, and is easy to store and use.
When drawing the straight line, with centering disc 1 and 2 fixed connection of first chi strip, only need second chi strip 3 flexible, the pen socket 5 of inserting the pen slides along with slider 4, and first scale of cooperation and second scale avoid the pen to rock or skew, ensure that the line of drawing is straight and the size is accurate, revolutionized traditional pen touch and hug closely the scale border and carry out the drawing mode that slides. And the structure and the use mode of the traditional compasses are revolutionized.
When drawing a circle, the positions of the second ruler strip 3 and the slide block 4 are adjusted, the radius is determined, the second ruler strip is fixed, and then the centering disc 1 is used as the circle center to rotate so as to draw the circle. This novel ruler, no longer need the two prong structures of traditional compasses. In order to draw the circumference of different radiuses, the novel ruler no longer needs to change the operation mode of span size between two support legs of the traditional compasses, and the radius is determined conveniently, quickly and accurately.
By changing the length of the precise nesting structure between the inner chute and the outer chute, the folding, the contraction and the portability are realized, and the occupied space is reduced. In the field of teaching and engineering drawing, a teacher can draw on a blackboard conveniently, and a reduced version of the blackboard is convenient for students to draw on a homework book. The function of protractor can also be realized to cooperation angle scale.
As a modified specific embodiment, the first ruler strip 2 is provided with a connecting ring 22, the centering disc 1 is provided with a connecting column 11, the bottom of the centering disc is provided with a positioning piece 12 which is coaxial with the connecting column 11, the connecting ring 22 is sleeved on the connecting column 11, and the connecting column 11 penetrates through the connecting ring 22 and is connected with a fixing ring 13.
Through the scheme, the lower end of the positioning piece 12 is in the shape of an inverted cone, so that the original point can be accurately positioned conveniently. The connecting ring 22 is sleeved on the connecting column 11 and is rotatably connected with the connecting column 11 so as to rotate, and the fixing ring 13 is matched with the centering disk 1 to limit the connecting ring 22 so as to be firmly connected and not easy to loosen.
As a modified embodiment, the connecting ring 22 is provided with a connecting hole 221, the connecting hole 221 is connected with a connecting bolt 222 in a threaded manner, and one end of the connecting bolt 222 extends into the connecting ring 22 to abut against the connecting column 11.
Through the above scheme, when the spacing angle is needed, the connecting bolt 222 is rotated, so that one end of the connecting bolt 222 abuts against the connecting column 11, the connecting ring 22 is fixedly connected with the connecting column 11, and the angle is ensured to be accurate and the connecting angle is unchanged for a long time.
As a modified specific embodiment, the pen cap 5 is provided with a fixing hole 51, a fixing screw 52 is connected to the fixing hole 51 in a threaded manner, and one end of the fixing screw 52 extends into the pen cap 5 to abut against the pen body.
Through the scheme, after the painting brush is inserted into the pen cap 5, the painting brush is fixed by rotating the fixing screw 52, and then the moving slide block 4 can drive the pen cap 5 and the painting brush to move, so that the painting is completed, and the painting brush is more convenient to use.
As a modified specific embodiment, the inner walls of the two sides of the first sliding groove 21 are provided with first limiting grooves 23, and the two sides of the second blade 3 are provided with first limiting blocks 32 slidably connected with the corresponding first limiting grooves 23.
Through the scheme, the sliding is more stable through the matching of the first limiting groove 23 and the first limiting block 32, and the deviation is not easy to occur.
As a modified specific embodiment, a positioning screw 33 is further connected to one side of the first blade 2 in a threaded manner, and one end of the positioning screw 33 is used for extending into the corresponding first limiting groove 23 to abut against a first limiting block 32 slidably connected with the first limiting groove 23.
Through above-mentioned scheme, rotate set screw 33, with first chi strip 2 and second chi strip 3 fixed connection to convenient to use guarantees the reduction deviation in the length direction.
As a modified specific embodiment, the inner walls of the two sides of the second sliding groove 31 are respectively provided with a second limiting groove 34, the two sides of the sliding block 4 are provided with a second limiting block 41 which is connected with the corresponding second limiting groove 34 in a sliding manner, and the bottom of the front end of the second blade 3 is provided with a supporting block 35.
Through the scheme, the supporting block 35 is convenient to place on a plane so as to support the second ruler strip 3 and keep the structure stable. The second limit groove 34 is matched with the second limit block 41 to guide the sliding block 4 to slide, so that the movement is more stable, the structure is more stable, the deviation is not easy to occur, and higher precision can be obtained to obtain better drawing effect.
As a modified specific embodiment, the sliding block 4 is further provided with a positioning plate 42, the positioning plate 42 is in threaded connection with a fastening screw 43, and one end of the fastening screw 43 is used for abutting against the second blade 3.
Through the scheme, two free moving parts in the length direction, the sliding block 4 and the second ruler strip 3 can be fixed at will so as to be capable of drawing accurately.
As a specific embodiment of the improvement, the first blade 2 or the second blade 3 is also provided with a horizontal bubble 24.
Through the scheme, the horizontal bubble 24 can be ensured to be at a relatively accurate angle, and whether the plane is stable or not, so that the drawing effect is ensured.
As a modified embodiment, the positioning member 12 is detachably connected with a suction cup 14.
Through above-mentioned scheme, the sucking disc 14 can adsorb on the plane, can loosen the hand, and other parts of bimanual operation to make can be more accurate operate, obtain better drawing effect, also can one-hand operation, it is more convenient to use.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. Teaching and engineering drawing are with scalable folding multi-functional novel chi rule, characterized by: including centering disc (1), centering disc (1) rotates and is connected with first chi strip (2) to be provided with the angle scale, first chi strip (2) are provided with first spout (21), first spout (21) sliding connection has second chi strip (3) to be provided with first scale, second chi strip (3) are provided with second spout (31), second spout (31) sliding connection has slider (4) to be provided with the second scale, slider (4) are provided with pen socket (5).
2. The novel retractable and foldable multifunctional ruler for teaching and engineering drafting as claimed in claim 1, wherein the novel ruler is characterized in that: first chi strip (2) are provided with go-between (22), centering disc (1) is provided with spliced pole (11) to the bottom is provided with setting element (12) with spliced pole (11) coaxial setting, go-between (22) cover is established on spliced pole (11), go-between (22) are passed in spliced pole (11) to be connected with solid fixed ring (13).
3. The novel retractable and foldable multifunctional ruler for teaching and engineering drafting as claimed in claim 2, wherein the novel ruler is characterized in that: the connecting rod (22) is provided with a connecting hole (221), the connecting hole (221) is in threaded connection with a connecting bolt (222), and one end of the connecting bolt (222) extends into the connecting rod (22) and is abutted to the connecting column (11).
4. The novel retractable and foldable multifunctional ruler for teaching and engineering drafting as claimed in claim 3, wherein the novel ruler is characterized in that: the pen cap (5) is provided with a fixing hole (51), the fixing hole (51) is in threaded connection with a fixing screw (52), and one end of the fixing screw (52) extends into the pen cap (5) to be used for abutting against the pen body.
5. The novel retractable and foldable multifunctional ruler for teaching and engineering drafting as claimed in claim 4, wherein the novel ruler is characterized in that: the two sides of the first sliding groove (21) are provided with first limiting grooves (23), and the two sides of the second ruler strip (3) are provided with first limiting blocks (32) which are connected with the corresponding first limiting grooves (23) in a sliding mode.
6. The novel retractable and foldable multifunctional ruler for teaching and engineering drafting as claimed in claim 5, wherein: and one side of the first ruler strip (2) is further in threaded connection with a positioning screw (33), and one end of the positioning screw (33) is used for extending into the corresponding first limiting groove (23) to abut against a first limiting block (32) in sliding connection with the first limiting groove (23).
7. The novel retractable and foldable multifunctional ruler for teaching and engineering drafting as claimed in claim 6, wherein: the inner walls of two sides of the second sliding groove (31) are respectively provided with a second limiting groove (34), two sides of the sliding block (4) are respectively provided with a second limiting block (41) which is connected with the corresponding second limiting groove (34) in a sliding mode, and the bottom of the front end of the second ruler strip (3) is provided with a supporting block (35).
8. The novel retractable and foldable multifunctional ruler for teaching and engineering drafting as claimed in claim 7, wherein: the slider (4) is further provided with a positioning plate (42), the positioning plate (42) is in threaded connection with a fastening screw (43), and one end of the fastening screw (43) is used for abutting against the second ruler strip (3).
9. The new telescopic folding ruler for teaching and engineering drafting as claimed in any one of claims 1-8, which is characterized in that: the first ruler strip (2) or the second ruler strip (3) is also provided with a horizontal bubble (24).
10. The novel retractable and foldable multifunctional ruler for teaching and engineering drafting according to any one of claims 2 to 8, which is characterized in that: the positioning piece (12) is detachably connected with a sucker (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039589.2A CN113635695A (en) | 2021-09-06 | 2021-09-06 | Telescopic folding multifunctional novel ruler for teaching and engineering drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039589.2A CN113635695A (en) | 2021-09-06 | 2021-09-06 | Telescopic folding multifunctional novel ruler for teaching and engineering drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113635695A true CN113635695A (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111039589.2A Pending CN113635695A (en) | 2021-09-06 | 2021-09-06 | Telescopic folding multifunctional novel ruler for teaching and engineering drawing |
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| CN203142175U (en) * | 2013-04-06 | 2013-08-21 | 翟英鑫 | Teaching tool capable of showing definition of circle in process of one-time drawing |
| CN203172274U (en) * | 2013-02-01 | 2013-09-04 | 张凡 | Modified compasses |
| CN107399189A (en) * | 2017-06-27 | 2017-11-28 | 梁泰山 | A kind of method and angle drawing device for drawing angle |
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| CN109109521A (en) * | 2017-06-26 | 2019-01-01 | 吴延明 | A kind of sucker compass |
| CN208881438U (en) * | 2018-05-15 | 2019-05-21 | 杨弘德 | A kind of five in one folding teaching has with ruler |
| CN209521453U (en) * | 2019-01-03 | 2019-10-22 | 邵阳学院 | A kind of colleges and universities' mathematics teaching drawing rule |
| CN210309697U (en) * | 2019-07-03 | 2020-04-14 | 魏子博 | Higher mathematics plotter |
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2021
- 2021-09-06 CN CN202111039589.2A patent/CN113635695A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2414922Y (en) * | 2000-03-08 | 2001-01-17 | 徐洪 | Multipurpose angle ruler |
| US20020104225A1 (en) * | 2001-02-02 | 2002-08-08 | Safe-T Products, Inc. | Drawing tool |
| CN2645932Y (en) * | 2003-08-11 | 2004-10-06 | 莱芜职业技术学院智能玩具研究所 | Pull type multifunctional compass for teaching |
| CN202163185U (en) * | 2011-07-20 | 2012-03-14 | 六盘水师范学院 | Multifunctional cyclograph |
| CN202463335U (en) * | 2012-01-17 | 2012-10-03 | 曹仲 | Portable teaching compass |
| CN203172274U (en) * | 2013-02-01 | 2013-09-04 | 张凡 | Modified compasses |
| CN203142175U (en) * | 2013-04-06 | 2013-08-21 | 翟英鑫 | Teaching tool capable of showing definition of circle in process of one-time drawing |
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| CN107399189A (en) * | 2017-06-27 | 2017-11-28 | 梁泰山 | A kind of method and angle drawing device for drawing angle |
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