CN114347701A - Product design drawing ruler with high practicability - Google Patents
Product design drawing ruler with high practicability Download PDFInfo
- Publication number
- CN114347701A CN114347701A CN202210204334.5A CN202210204334A CN114347701A CN 114347701 A CN114347701 A CN 114347701A CN 202210204334 A CN202210204334 A CN 202210204334A CN 114347701 A CN114347701 A CN 114347701A
- Authority
- CN
- China
- Prior art keywords
- wall
- rod
- sliding
- plate
- angle
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 230000001681 protective effect Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
- B43L19/0056—Holders for erasers
-
- 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
- B43L9/00—Circular curve-drawing or like instruments
Abstract
The invention discloses a product design drawing ruler with strong practicability, which comprises a drawing ruler, an angle supporting mechanism, an adjusting mechanism and an erasing mechanism, wherein the angle supporting mechanism is arranged on the drawing ruler; the angle supporting mechanism is used for supporting the adjusting mechanism and measuring the included angle, and is arranged on the drawing ruler; the adjusting mechanism is used for adjusting the radius of the arc and arranged on the angle supporting mechanism; the erasing mechanism is used for erasing the drawn line segment; the drawing rule itself can draw the line segment, and wipe the mechanism and can help the user to wipe the part of drawing the mistake to can not influence the line segment that has already been drawn, adjustment mechanism can assist the circle of drawing, and can adjust the radius of circle, make the circle of drawing accord with required radius length, angle supporting mechanism can assist the contained angle of drawing the angle difference, thereby improved the multifunctionality of drawing with the chi, improved the practicality of drawing with the chi.
Description
Technical Field
The present invention relates to drawing tools.
Background
The drawing ruler is an indispensable tool in the drawing process, and the basic function of the drawing ruler is to draw line segments.
The general drawing rule that uses at present all can draw straight line or specific pattern, and the function is less, leads to the drawing personnel to need carry more drawing rule to accomplish the drawing task, has increased the inconvenience of drawing to, when drawing wrong part line segment, need erase, and when using the eraser to erase, the line segment that will need is erased easily, finally leads to the inconvenience of drawing personnel.
Disclosure of Invention
The invention aims to overcome the defect that the conventional drawing rule is inconvenient to use, and provides a product design drawing rule with strong practicability.
The technical scheme for realizing the purpose is as follows: a product design drawing ruler with strong practicability comprises a drawing ruler, an angle supporting mechanism, an adjusting mechanism and an erasing mechanism, wherein the angle supporting mechanism is arranged on the drawing ruler;
the angle supporting mechanism is used for supporting the adjusting mechanism and measuring the included angle, and is arranged on the drawing ruler;
the adjusting mechanism is used for adjusting the radius of the arc and arranged on the angle supporting mechanism;
and the erasing mechanism is used for erasing the drawn line segment and is arranged on the drawing rule.
Preferably, the angle support mechanism comprises a round hole, a limiting hole, an annular groove, a sliding block, a support plate, a U-shaped plate, a guide rod, a support spring, a sliding ring, a connecting rod and a limiting rod, the round hole is formed in the upper end of the drawing ruler, angle scales are formed in the upper end of the round hole, the annular groove is formed in the inner wall of the round hole, the plurality of limiting holes are formed in the upper end of the annular groove, the sliding groove is formed in the lower end of the annular groove, the sliding block is connected to the inner wall of the sliding groove in a sliding mode, the support plate is connected to the upper end of the sliding block, and one end of the support plate is movably connected with the annular groove;
the outer wall of backup pad is connected with the U template, the inner wall of U template is connected with the guide arm, the outer wall swing joint of guide arm has the sliding ring, the lower extreme of sliding ring rotates and is connected with supporting spring, supporting spring's lower extreme is connected with the U template, the outer wall connection of sliding ring has the connecting rod, the upper end of connecting rod is connected with the gag lever post.
Preferably, the adjusting mechanism comprises a rotating ring, an outer pipe, an inner rod, a jack, a connecting plate, a screw rod, a supporting plate and a square hole, the lower end of the supporting plate is rotatably connected with the rotating ring, the circle center of the rotating ring and the circle center of the round hole are positioned on the same straight line, the outer wall of the rotating ring is connected with the outer pipe, the inner rod is slidably connected to the inner wall of the outer pipe, and the jack is arranged at one end, away from the outer pipe, of the inner rod;
the upper end of the outer tube is provided with a square hole, the upper surface of the outer tube is connected with a support plate, the outer wall of the support plate is in threaded connection with a screw rod, one end of the screw rod is rotatably connected with a connecting plate, and the lower end of the connecting plate is connected with the inner rod.
Preferably, it includes standing groove, U type pole, spacing groove, stopper, gleitbretter, square plate, coupling spring, places box, rubber block and protecting tube to erase the mechanism, the standing groove has been seted up to the outer wall of drawing rule, the inner wall connection of standing groove has U type pole, the spacing groove has been seted up to the outer wall of U type pole, the inner wall sliding connection of spacing groove has the stopper, the outer wall connection of stopper has the gleitbretter, the outer wall connection of gleitbretter has the square plate, the lower extreme of square plate is connected with coupling spring, coupling spring's lower extreme is connected with places the box, the inner wall of placing the box is inserted and is equipped with the rubber block, coupling spring's outside cover is equipped with the protecting tube, the upper end and the square plate of protecting tube are connected.
Preferably, the two ends of the drawing ruler are provided with scales with different unit lengths.
Preferably, the slide sheet is in a C shape.
Preferably, the slider is arc-shaped.
Preferably, the support plate, the outer tube and the inner rod are all made of transparent plastics.
The invention has the beneficial effects that:
1. the drawing rule itself can draw the line segment, and it can help the user to erase the part of drawing the mistake to erase the mechanism, and can not influence the line segment that has already been drawn, can also make the person of drawing needn't additionally carry the rubber, the loaded down with trivial details degree of use has been reduced, adjustment mechanism can assist the circle of drawing, and can adjust the radius of circle, make the circle of drawing accord with required radius length, angle supporting mechanism can assist the contained angle of drawing the angle difference, thereby the multifunctionality of the chi for drawing has been improved, the practicality of the chi for drawing has been improved.
2. Align one side and a line segment with the backup pad, then, with the connecting rod pulling downwards, the connecting rod drives the sliding ring downstream, sliding ring extrusion supporting spring, then, the connecting rod rotates, the connecting rod drives sliding ring and gag lever post and rotates, the gag lever post rotates the below in spacing hole, loosen the connecting rod, supporting spring upwards promotes the sliding ring, the sliding ring drives connecting rod upward movement, the connecting rod drives the gag lever post and inserts in spacing hole, thereby the position of fixed support board, at this moment, rely on the angle on the round hole, mark a scale point, rely on the drawing rule again to be connected the one end and the scale point of a line segment, thereby the contained angle of drawing specific angle has been realized.
3. When needs draw circle or circular arc, in inserting the jack with the pencil, the pole rotates in the pencil drives, and interior pole drives the outer tube and rotates, and the outer tube drives the change and rotates to realize drawing circular arc or circle, rotate the screw rod, the screw rod drives even board and removes, even board drives interior pole and removes, thereby adjusts the extension length of pole in, thereby can adjust the radius of drawing circle or circular arc.
Drawings
FIG. 1 is a schematic diagram of the right-view structure of the present invention;
FIG. 2 is a schematic diagram of a front view configuration of the present invention;
FIG. 3 is a rear view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 6 is an enlarged schematic view of the structure at B in FIG. 5;
FIG. 7 is an enlarged schematic view of the structure at C in FIG. 3;
FIG. 8 is an enlarged schematic view of FIG. 3 at D;
fig. 9 is an enlarged schematic view of the structure at E in fig. 4.
1. A drawing rule; 2. an angle support mechanism; 201. a circular hole; 202. a limiting hole; 203. an annular groove; 204. a chute; 205. a slider; 206. a support plate; 207. a U-shaped plate; 208. a guide bar; 209. a support spring; 210. a slip ring; 211. a connecting rod; 212. a limiting rod; 3. an adjustment mechanism; 301. rotating the ring; 302. an outer tube; 303. an inner rod; 304. a jack; 305. connecting plates; 306. a screw; 307. a support plate; 308. a square hole; 4. an erasing mechanism; 401. a placement groove; 402. a U-shaped rod; 403. a limiting groove; 404. a limiting block; 405. sliding blades; 406. a square plate; 407. a connecting spring; 408. placing the box; 409. a rubber block; 410. and (4) a protective pipe.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
The invention will be further explained with reference to the drawings.
Referring to fig. 1-9, a strong product design drawing ruler includes a drawing ruler 1 including an angle support mechanism 2, an adjustment mechanism 3 and an erasing mechanism 4;
the angle supporting mechanism 2 is used for supporting the adjusting mechanism 3 and measuring the included angle, and the angle supporting mechanism 2 is arranged on the drawing rule 1;
the adjusting mechanism 3 is used for adjusting the radius of the arc, and the adjusting mechanism 3 is arranged on the angle supporting mechanism 2;
and the erasing mechanism 4 is used for erasing the line segment, and the erasing mechanism 4 is arranged on the drawing rule 1.
Drawing rule 1 itself can draw the line segment, and erase mechanism 4 and can help the user to erase the part of drawing the mistake, and can not influence the line segment that has already been drawn, can also make the person of drawing needn't additionally carry the rubber, the loaded down with trivial details degree of use has been reduced, adjustment mechanism 3 can assist the circle of drawing, and can adjust the radius of circle, the circle that makes the drawing accords with required radius length, angle supporting mechanism 2 can assist the contained angle of drawing the angle difference, thereby the multifunctionality of drawing with the chi has been improved, the practicality of drawing with the chi has been improved.
Referring to fig. 1-9, the angle support mechanism 2 includes a circular hole 201, a limiting hole 202, an annular groove 203, a sliding groove 204, a sliding block 205, a support plate 206, a U-shaped plate 207, a guide rod 208, a support spring 209, a sliding ring 210, a connecting rod 211 and a limiting rod 212, the upper end of the drawing ruler 1 is provided with the circular hole 201, the upper end of the circular hole 201 is provided with angle scales, the inner wall of the circular hole 201 is provided with the annular groove 203, the upper end of the annular groove 203 is provided with a plurality of limiting holes 202, the lower end of the annular groove 203 is provided with the sliding groove 204, the inner wall of the sliding groove 204 is connected with the sliding block 205 in a sliding manner, the upper end of the sliding block 205 is connected with the support plate 206, and one end of the support plate 206 is movably connected with the annular groove 203;
the outer wall of supporting plate 206 is connected with U template 207, and the inner wall of U template 207 is connected with guide arm 208, and the outer wall swing joint of guide arm 208 has sliding ring 210, and sliding ring 210's lower extreme rotates and is connected with supporting spring 209, and supporting spring 209's lower extreme is connected with U template 207, and sliding ring 210's outer wall is connected with connecting rod 211, and the upper end of connecting rod 211 is connected with gag lever post 212.
Align one side of backup pad 206 with a line segment, then, with connecting rod 211 lapse, connecting rod 211 drives sliding ring 210 downstream, sliding ring 210 extrudes supporting spring 209, then, rotating connecting rod 211, connecting rod 211 drives sliding ring 210 and gag lever post 212 and rotates, gag lever post 212 rotates the below to spacing hole 202, loosen connecting rod 211, supporting spring 209 upwards promotes sliding ring 210, sliding ring 210 drives connecting rod 211 rebound, connecting rod 211 drives gag lever post 212 and inserts in spacing hole 202, thereby the position of fixed support plate 206, at this moment, rely on the angle on the round hole 201, mark a scale point, rely on drawing rule 1 again to be connected the one end and the scale point of a line segment, thereby realized the contained angle of drawing specific angle.
Referring to fig. 3-8, the adjusting mechanism 3 includes a rotating ring 301, an outer tube 302, an inner rod 303, an insertion hole 304, a connecting plate 305, a screw 306, a support plate 307 and a square hole 308, the lower end of the support plate 206 is rotatably connected with the rotating ring 301, the center of the rotating ring 301 and the center of the circular hole 201 are located on the same straight line, the outer wall of the rotating ring 301 is connected with the outer tube 302, the inner rod 303 is slidably connected to the inner wall of the outer tube 302, and the insertion hole 304 is formed in one end of the inner rod 303, which is far away from the outer tube 302;
the upper end of the outer tube 302 is provided with a square hole 308, the upper surface of the outer tube 302 is connected with a support plate 307, the outer wall of the support plate 307 is in threaded connection with a screw 306, one end of the screw 306 is rotatably connected with a connecting plate 305, and the lower end of the connecting plate 305 is connected with the inner rod 303.
When needing drawing circle or circular arc, insert the pencil in jack 304, the pencil drives interior pole 303 and rotates, and interior pole 303 drives outer tube 302 and rotates, and outer tube 302 drives swivel 301 and rotates to the realization draws circular arc or circle, rotates screw rod 306, and screw rod 306 drives even board 305 and removes, and even board 305 drives interior pole 303 and removes, thereby adjusts the extension length of interior pole 303, thereby can adjust the radius of drawing circle or circular arc.
Referring to fig. 2-5, the erasing mechanism 4 includes a placement groove 401, a U-shaped rod 402, a limiting groove 403, a limiting block 404, a sliding piece 405, a square plate 406, a connecting spring 407, a placement box 408, a rubber block 409 and a protection tube 410, the placement groove 401 has been seted up on the outer wall of the drawing ruler 1, the inner wall of the placement groove 401 is connected with the U-shaped rod 402, the limiting groove 403 has been seted up on the outer wall of the U-shaped rod 402, the inner wall of the limiting groove 403 is slidably connected with the limiting block 404, the outer wall of the limiting block 404 is connected with the sliding piece 405, the outer wall of the sliding piece 405 is connected with the square plate 406, the lower end of the square plate 406 is connected with the connecting spring 407, the lower end of the connecting spring 407 is connected with the placement box 408, the inner wall of the placement box 408 is inserted with the rubber block 409, the protection tube 410 is sleeved on the outer side of the connecting spring 407, and the upper end of the protection tube 410 is connected with the square plate 406.
When some line segments are wrongly drawn, one end of the drawing rule 1 is aligned with the wrong line segments, then the square plate 406 is pulled, the square plate 406 drives the sliding piece 405 to slide on the U-shaped rod 402, the limiting block 404 and the limiting groove 403 are used for limiting, so that the sliding piece 405 cannot fall off, the square plate 406 drives the connecting spring 407 to move, the connecting spring 407 drives the placing box 408 to move, the placing box 408 drives the rubber block 409 to move, when the rubber block 409 does not move to the position above the wrong line segments, the rubber block 409 is not in contact with the drawing paper, then the placing box 408 is pulled downwards at the moment, so that the rubber block 409 is in contact with the wrong line segments, the wrong line segments are erased, and the situation that other line segments are mistakenly erased is avoided.
Referring to fig. 1, two ends of the drawing rule 1 are provided with scales with different unit lengths, so as to facilitate drawing line segments with different lengths.
Referring to fig. 6, the slider 405 has a C-shape to facilitate sliding of the slider 405.
Referring to fig. 7, the slider 205 is shaped as an arc to avoid interference with the chute 204.
Referring to fig. 8, the support plate 206, the outer tube 302 and the inner rod 303 are made of transparent plastic to avoid blocking the drawing traces on the drawing paper.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A product design drawing ruler with strong practicability comprises a drawing ruler (1) and is characterized by comprising an angle supporting mechanism (2), an adjusting mechanism (3) and an erasing mechanism (4); the angle supporting mechanism (2) is used for supporting the adjusting mechanism (3) and measuring an included angle, and the angle supporting mechanism (2) is arranged on the drawing rule (1);
the adjusting mechanism (3) is used for adjusting the radius of the arc, and the adjusting mechanism (3) is arranged on the angle supporting mechanism (2); and the erasing mechanism (4) is used for erasing the drawn line segment, and the erasing mechanism (4) is arranged on the drawing rule (1).
2. The product design drawing ruler with strong practicability according to claim 1, wherein the angle supporting mechanism (2) comprises a round hole (201), a limiting hole (202), an annular groove (203), a sliding groove (204), a sliding block (205), a supporting plate (206), a U-shaped plate (207), a guide rod (208), a supporting spring (209), a sliding ring (210), a connecting rod (211) and a limiting rod (212), the round hole (201) is formed at the upper end of the drawing ruler (1), angle scales are formed at the upper end of the round hole (201), the annular groove (203) is formed on the inner wall of the round hole (201), the limiting holes (202) are formed at the upper end of the annular groove (203), the sliding groove (204) is formed at the lower end of the annular groove (203), the sliding block (205) is connected to the inner wall of the sliding groove (204), the supporting plate (206) is connected to the upper end of the sliding block (205), one end of the supporting plate (206) is movably connected with the annular groove (203); the outer wall of backup pad (206) is connected with U template (207), the inner wall of U template (207) is connected with guide arm (208), the outer wall swing joint of guide arm (208) has sliding ring (210), the lower extreme of sliding ring (210) rotates and is connected with supporting spring (209), the lower extreme and the U template (207) of supporting spring (209) are connected, the outer wall of sliding ring (210) is connected with connecting rod (211), the upper end of connecting rod (211) is connected with gag lever post (212).
3. The product design drawing ruler with the strong practicability according to claim 2, characterized in that the adjusting mechanism (3) comprises a rotating ring (301), an outer pipe (302), an inner rod (303), a jack (304), a connecting plate (305), a screw (306), a support plate (307) and a square hole (308), the lower end of the support plate (206) is rotatably connected with the rotating ring (301), the circle center of the rotating ring (301) and the circle center of the round hole (201) are positioned on the same straight line, the outer wall of the rotating ring (301) is connected with the outer pipe (302), the inner rod (303) is slidably connected with the inner wall of the outer pipe (302), and the jack (304) is formed in one end, far away from the outer pipe (302), of the inner rod (303); the upper end of the outer pipe (302) is provided with a square hole (308), the upper surface of the outer pipe (302) is connected with a support plate (307), the outer wall of the support plate (307) is in threaded connection with a screw rod (306), one end of the screw rod (306) is rotatably connected with a connecting plate (305), and the lower end of the connecting plate (305) is connected with the inner rod (303).
4. The product design drawing ruler with strong practicability according to claim 1, wherein the erasing mechanism (4) comprises a placing groove (401), a U-shaped rod (402), a limiting groove (403), a limiting block (404), a sliding piece (405), a square plate (406), a connecting spring (407), a placing box (408), a rubber block (409) and a protective tube (410), the placing groove (401) is formed in the outer wall of the drawing ruler (1), the U-shaped rod (402) is connected to the inner wall of the placing groove (401), the limiting groove (403) is formed in the outer wall of the U-shaped rod (402), the limiting block (404) is connected to the inner wall of the limiting groove (403) in a sliding manner, the sliding piece (405) is connected to the outer wall of the limiting block (404), the square plate (406) is connected to the outer wall of the sliding piece (405), and the connecting spring (407) is connected to the lower end of the square plate (406), the lower end of the connecting spring (407) is connected with a placing box (408), the inner wall of the placing box (408) is inserted with a rubber block (409), the outer side of the connecting spring (407) is sleeved with a protective pipe (410), and the upper end of the protective pipe (410) is connected with a square plate (406).
5. The drawing rule for product design and drawing with strong practicability according to claim 1, characterized in that the two ends of the drawing rule (1) are provided with scales with different unit lengths.
6. A practical product design drawing rule according to claim 4, characterized in that the slide (405) is C-shaped.
7. A practical product design drawing rule according to claim 2, characterized in that the slider (205) is arc-shaped.
8. A strong product design drawing rule according to claim 3, characterized in that the support plate (206), the outer tube (302) and the inner rod (303) are made of transparent plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204334.5A CN114347701A (en) | 2022-03-03 | 2022-03-03 | Product design drawing ruler with high practicability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204334.5A CN114347701A (en) | 2022-03-03 | 2022-03-03 | Product design drawing ruler with high practicability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114347701A true CN114347701A (en) | 2022-04-15 |
Family
ID=81094679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210204334.5A Pending CN114347701A (en) | 2022-03-03 | 2022-03-03 | Product design drawing ruler with high practicability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114347701A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014026655A2 (en) * | 2012-08-17 | 2014-02-20 | Bayona Salazar Victor Martin | Template for drawing exact geometric figures with a rotary circular disc and measurement checker, and method for assembly thereof |
| CN107499032A (en) * | 2017-09-29 | 2017-12-22 | 李月华 | A kind of mathematics solid geometry teaching teaching aid |
| CN210617687U (en) * | 2019-04-19 | 2020-05-26 | 华东交通大学理工学院 | Curve drawing device that university's mathematics teaching was used |
| CN212949878U (en) * | 2020-08-20 | 2021-04-13 | 绥化学院 | Ruler |
| CN213920454U (en) * | 2020-11-17 | 2021-08-10 | 商丘工学院 | Portable mathematical education drawing device |
| CN214396166U (en) * | 2021-03-05 | 2021-10-15 | 南京闻逸文化创意有限公司 | Drawing auxiliary assembly for industrial design |
| CN215096655U (en) * | 2021-03-30 | 2021-12-10 | 赵云聪 | Building engineering design is with supplementary drawing instrument |
-
2022
- 2022-03-03 CN CN202210204334.5A patent/CN114347701A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014026655A2 (en) * | 2012-08-17 | 2014-02-20 | Bayona Salazar Victor Martin | Template for drawing exact geometric figures with a rotary circular disc and measurement checker, and method for assembly thereof |
| CN107499032A (en) * | 2017-09-29 | 2017-12-22 | 李月华 | A kind of mathematics solid geometry teaching teaching aid |
| CN210617687U (en) * | 2019-04-19 | 2020-05-26 | 华东交通大学理工学院 | Curve drawing device that university's mathematics teaching was used |
| CN212949878U (en) * | 2020-08-20 | 2021-04-13 | 绥化学院 | Ruler |
| CN213920454U (en) * | 2020-11-17 | 2021-08-10 | 商丘工学院 | Portable mathematical education drawing device |
| CN214396166U (en) * | 2021-03-05 | 2021-10-15 | 南京闻逸文化创意有限公司 | Drawing auxiliary assembly for industrial design |
| CN215096655U (en) * | 2021-03-30 | 2021-12-10 | 赵云聪 | Building engineering design is with supplementary drawing instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7219437B2 (en) | Laser guided work device | |
| US6931734B2 (en) | Marking implement alignment and guide system | |
| CN114347701A (en) | Product design drawing ruler with high practicability | |
| CN211918213U (en) | Multifunctional teaching ruler for mathematics | |
| CN214775032U (en) | Drawing pen | |
| CN215435775U (en) | Compasses ruler with camera shooting and projection functions | |
| CN213984797U (en) | Measuring tool for building supervision | |
| CN210970467U (en) | Ruler for lattice drawing | |
| CN208205938U (en) | It is a kind of it is improved can system for automatic marker making label tape measure | |
| CN210116304U (en) | Multifunctional teaching aid for indoor use of Mongolian spindle training | |
| CN219256895U (en) | Scale compasses | |
| CN215397918U (en) | Multifunctional scale compasses | |
| CN219133684U (en) | Information recording device | |
| CN217032268U (en) | Marking ruler for recording leaf age of rice | |
| CN215321671U (en) | Multifunctional ruler | |
| CN212963258U (en) | Outer diameter detector for production and detection of fan sleeve | |
| CN213999713U (en) | 45 degree PET exempts from to handle door plant and cuts and use electron saw | |
| CN217541703U (en) | Special portable measuring device of architectural design | |
| CN219312389U (en) | Combined ruler | |
| CN219256894U (en) | Geometric pattern drawing tool | |
| CN219962228U (en) | Product design typesetting workstation | |
| CN220250928U (en) | Measuring device for building construction detection | |
| CN214747558U (en) | Slide caliper rule for animation teaching | |
| CN210300065U (en) | Drawing device for dress designing | |
| CN215751627U (en) | Ruler suitable for high school student uses |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220415 |