CN110217020B - Multifunctional painting color pen - Google Patents
Multifunctional painting color pen Download PDFInfo
- Publication number
- CN110217020B CN110217020B CN201910591136.7A CN201910591136A CN110217020B CN 110217020 B CN110217020 B CN 110217020B CN 201910591136 A CN201910591136 A CN 201910591136A CN 110217020 B CN110217020 B CN 110217020B
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- groove
- sliding
- limit
- rule
- pen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
- B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a multifunctional painting color pen, wherein a slide rule groove is arranged on a pen body, the slide rule groove is provided with an opening, and the opening direction is the side edge of a pen point; the sliding rule groove is slidably connected with a bar, and the bar slides out of the opening of the sliding rule groove for measurement; a gap is formed at the bottoms of the strip ruler and the sliding ruler groove; a limit post is arranged on one side of the bar, facing the slide rule groove, of the bar, a moving bar is further arranged in the slide rule groove, a limit groove is formed in the moving bar, a groove arm of the limit groove is positioned in the sliding direction of the bar, the limit groove is used for embedding the limit post to limit the sliding of the bar, and the moving bar is positioned in the gap; a restoring mechanism is arranged on the movement strip and keeps the limit groove to limit the limit column; the pen cap is provided with a push block, the push block is used for pushing the movement bar to move, so that the limit groove leaves the limit post, the limit of the limit groove to the limit post is released, and when the pen cap is covered with the pen point, the limit groove releases the limit to the limit post. When the ruler is used, the ruler slides out of the slide rule groove, so that the ruler can be normally used.
Description
Technical Field
The invention relates to the field of pens, in particular to a multifunctional painting color pen.
Background
A watercolor pen, a drawing tool. The watercolor pen is a common drawing tool for children, is generally 12-color, 24-color and 36-color boxes for sale, is generally round in pen point, is not well blended together, is generally suitable for drawing children, and can be used as a marker pen.
In the process of using the watercolor pencil, the ruler is often used, and the watercolor pencil in the prior art has single function and cannot be used as the ruler.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a multifunctional painting color pen with a ruler function.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The multifunctional painting color pen comprises a pen body and a pen cover, wherein a pen point used for writing is arranged on the pen body, the pen cover is used for covering the pen point, a sliding rule groove is arranged on the pen body, the sliding rule groove is provided with an opening, and the opening direction is the side edge of the pen point;
A bar is slidably connected in the sliding rule groove, and the bar is slidably moved out of an opening of the sliding rule groove for measurement;
A gap is formed at the bottoms of the strip ruler and the sliding ruler groove;
The sliding rule comprises a sliding rule groove, wherein a sliding rule arm is arranged on the sliding rule groove, a limiting column is arranged on one side of the sliding rule, facing the sliding rule groove, of the sliding rule, a moving strip is further arranged in the sliding rule groove, a limiting groove is formed in the moving strip, a groove arm of the limiting groove is positioned in the sliding direction of the sliding rule, the limiting groove is used for embedding the limiting column to limit sliding of the sliding rule, and the moving strip is positioned in a gap;
A restoring mechanism is arranged on the movement strip, and the restoring mechanism keeps the limiting groove to limit the limiting column;
the pen cap is provided with a push block, the push block is used for pushing the movement bar to move, so that the limit groove leaves the limit post, limit of the limit groove to the limit post is relieved, and when the pen cap is covered with the pen point, the limit groove releases limit of the limit post.
As a further improvement of the invention:
The sliding ruler is characterized in that a sliding groove is formed in the bottom of the sliding ruler groove, the restoring mechanism comprises a spring and a sliding column, the sliding column is arranged on the moving strip, the sliding column stretches into the sliding groove and is connected in the sliding groove in a sliding manner, the spring is located in the sliding groove, one end of the spring is abutted to the sliding column, and the other end of the spring is abutted to the sliding groove arm.
As a further improvement of the invention:
the pen is characterized in that a hollow groove is formed in one end, close to the pen point, of the pen body, and the pushing block enters the gap through the hollow groove.
As a further improvement of the invention:
the push block is provided with a slot in the direction opposite to the opening direction, and the bar is provided with a top block for sliding into the slot.
As a further improvement of the invention:
the sliding rule is characterized in that at least two waist-shaped holes which are parallel to each other are formed in the bar, a first threaded hole is formed in the bottom of the groove of the sliding rule, a first bolt is arranged in the waist-shaped holes, and the first bolt is in threaded connection with the first threaded hole.
As a further improvement of the invention:
The sliding ruler is characterized in that a sliding plate is arranged on the ruler, a sliding groove is formed in the side wall of the sliding ruler groove, and the sliding plate is connected in the sliding groove in a sliding mode.
As a further improvement of the invention:
The sliding rule groove is provided with a rotating strip on one side opposite to the opening, and the rotating strip is rotationally connected in the sliding rule groove.
As a further improvement of the invention:
The utility model discloses a slide rule groove, including the slide rule groove, the slide rule groove is provided with the slide rule groove, be provided with the rotation hole on the slide rule groove, the rotation is connected in the rotation hole, be provided with the through-hole on the rotation post, the rotation hole bottom is provided with the second screw hole, be provided with the second bolt in through-hole and the second screw hole, second bolt and second screw hole threaded connection, the second bolt has an tip, tip radius is greater than the through-hole, the slide rule groove is spacing between tip and slide rule groove to the rotation.
As a further improvement of the invention:
the rotating strip is provided with a concave groove for sinking the end part.
As a further improvement of the invention:
The ruler is provided with an accommodating groove for accommodating the rotating strip, and the accommodating groove is provided with a collision groove for enabling one end of the rotating strip to sink.
The application does not describe too much, the pen cap is covered and connected on the pen body in the initial state, the bar is positioned in the slide rule groove, and the bar is slid out of the slide rule groove and exposed out of the opening when the bar is needed to be used, so that the normal use of the bar can be carried out. In practical use, if the pen cap forgets to be closed and is directly used, the pen point is easy to stain the hand of a user, so that the technical scheme of the application is provided with the movement strip, when the pen cap is opened, the limit groove on the movement strip limits the limit post arranged on the rule under the action of the restoring mechanism, so that the rule cannot be slipped out, and only when the pen cap is closed, the push block on the pen cap stretches into the gap, so that the movement strip is pushed to move, the limit groove is separated from the limit post, the ruler can slide out from the slide rule groove, and after the pen cap is opened, the push block is separated from the movement strip, so that the limit groove is re-embedded into the limit post under the action of the restoring mechanism, and the limit of the rule is realized. Therefore, the ruler can be used only in a sliding way when the pen cover is closed, and cannot be moved out when the pen cover is opened, so that the problem that the pen point is stained with colors on the hands of a user due to forgetting to close the pen cover in the use process is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an exploded view of the overall structure of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a side view of an exploded view of an embodiment of the present invention;
fig. 4 is a partial enlarged view at a of an embodiment of the present invention.
Reference numerals:
1. A pen body; 2. a pen cap; 3. a pen point; 4. a slide rule groove; 5. an opening; 6. a rule; 7. a gap; 8. a limit column; 9. a sports bar; 10. a limit groove; 11. a return mechanism; 12. a pushing block; 13. a sliding groove; 14. a spring; 15. a sliding column; 16. a hollow groove; 17. slotting; 18. a top block; 19. a waist-shaped hole; 20. a first threaded hole; 21. a first bolt; 22. a slip plate; 23. a slip groove; 24. rotating the strip; 25. rotating the column; 26. a rotation hole; 27. a through hole; 28. a second threaded hole; 30. a second bolt; 31. an end portion; 32. a concave groove; 33. a collision groove; 34. a receiving groove; 35. a buckling groove; 36. a buckling block; 37. a first caulking groove; 38. and a screw-in portion.
Detailed Description
Embodiments of the present invention will be described with reference to fig. 1 to 4:
The multifunctional painting color pen comprises a pen body 1 and a pen cover 2, wherein a pen point 3 for writing is arranged on the pen body 1, the pen cover 2 is used for covering the pen point 3, a slide rule groove 4 is arranged on the pen body 1, the slide rule groove 4 is provided with an opening 5, and the direction of the opening 5 is the side edge of the pen point 3;
A bar 6 is slidably connected in the sliding rule groove 4, and the bar 6 slides out of the opening 5 of the sliding rule groove 4 for measurement;
a gap 7 is formed at the bottoms of the strip rule 6 and the slide rule groove 4;
A limit post 8 is arranged on one side of the bar 6 facing the slide rule groove 4, a moving bar 9 is further arranged in the slide rule groove 4, a limit groove 10 is arranged on the moving bar 9, a groove arm of the limit groove 10 is positioned in the sliding direction of the bar 6, the limit groove 10 is used for embedding the limit post 8 to limit the sliding of the bar 6, and the moving bar 9 is positioned in the gap 7;
a restoring mechanism 11 is arranged on the moving strip 9, and the restoring mechanism 11 keeps the limiting groove 10 to limit the limiting column 8;
the pen cap 2 is provided with a push block 12, the push block 12 is used for pushing the moving bar 9 to move, so that the limit groove 10 leaves the limit post 8, the limit of the limit groove 10 to the limit post 8 is released, and when the pen cap 2 is closed on the pen point 3, the limit groove 10 releases the limit of the limit post 8.
Through the above technical scheme, the pen body 1 is internally used for placing pigment, and the pen point 3 is used for writing, which is the prior art, the application does not describe too much, in the initial state, the pen cover 2 is connected to the pen body 1 in a covering way, and in the embodiment, the embodiment of the pen cover 2 covering the pen point 3 is provided, the buckling grooves 35 are arranged on two sides of the inside of the pen cover 2, the buckling blocks 36 are arranged on the pen point 3, the watercolor pen is made of plastic, the buckling blocks 36 can be buckled into the buckling grooves 35 through deformation of the plastic, the bar 6 is positioned in the sliding rule groove 4, and when the bar 6 is needed to be used, the bar 6 slides out of the sliding rule groove 4 and is exposed out of the opening 5, so that the normal use of the bar 6 can be carried out. In practical use, if the pen cap 2 is forgotten to be directly used, the pen tip 3 is easy to be stained with color on the hand of a user, so that the technical scheme of the application is provided with the moving strip 9, when the pen cap 2 is in an open state, under the action of the restoring mechanism 11, the limiting groove 10 on the moving strip 9 limits the limiting column 8 arranged on the bar 6, so that the bar 6 cannot be slipped out, and only when the pen cap 2 is covered, the push block 12 on the pen cap 2 stretches into the gap 7, so that the moving strip 9 is pushed to move, the limiting groove 10 is separated from the limiting column 8, the ruler can slide out from the slide rule groove 4, and after the pen cap 2 is opened, the push block 12 is separated from the moving strip 9, so that under the action of the restoring mechanism 11, the limiting groove 10 is re-embedded into the limiting column 8, and limiting of the bar 6 is realized. Therefore, the ruler 6 can slide out for use only in the state of closing the pen cap 2, and the ruler 6 cannot slide out when the pen cap 2 is opened, so that the problem that the pen point 3 is stained with colors on the hands of a user due to forgetting to close the pen cap 2 in the use process is avoided.
As a further improved embodiment:
the sliding rule groove 4 bottom is provided with sliding tray 13, return mechanism 11 includes spring 14 and slip post 15, slip post 15 sets up on motion strip 9, slip post 15 stretches into in the sliding tray 13, and slides and connect in sliding tray 13, spring 14 is located sliding tray 13, and one end is contradicted with slip post 15, and the other end is contradicted with sliding tray 13 groove arm.
Through above-mentioned technical scheme, reply mechanism 11 is spring 14 and slip post 15, and the setting makes the installation more convenient like this, only needs to put into the sliding tray 13 with spring 14 and slip post 15, can realize reply mechanism 11's function, and the equipment is simple.
As a further improved embodiment:
the pen body 1 is provided with the fretwork groove 16 near the one end of nib 3, push block 12 gets into clearance 7 through fretwork groove 16.
Through above-mentioned technical scheme, through the setting of routing groove 16, provide the passageway that supplies ejector pad 12 to go into for whole pen is whole more complete, does not have the breach.
As a further improved embodiment:
The push block 12 is provided with a slot 17 facing away from the opening 5, and the bar 6 is provided with a top block 18 for sliding into the slot 17.
Through above-mentioned technical scheme, through the cooperation of fluting 17 and kicking block 18 for when pen cap 2 lid closes, slide post chi 6, the kicking block 18 on the rule 6 can enter into fluting 17 in, play spacing to pen cap 2, make pen cap 2 can not be opened in the use of rule 6, avoided because open pen cap 2 in the use of rule 6, and nib 3 dye the colour to the user's hand. After use, the bar 6 is pushed back into position and the top block 18 is disengaged from the slot 17.
As a further improved embodiment:
The ruler 6 is provided with at least two waist-shaped holes 19 which are parallel to each other, the bottom of the ruler groove 4 is provided with a first threaded hole 20, a first bolt 21 is arranged in the waist-shaped holes 19, and the first bolt 21 is in threaded connection with the first threaded hole 20.
Through above-mentioned technical scheme, through the setting of first bolt 21, first bolt 21 screws in first screw hole 20, and in the sliding process of rule 6, the body of rod of first bolt 21 slides in waist type hole 19, plays the effect of a definite slip route to in this embodiment, still be provided with on waist type hole 19 and supply first screw to screw in the first caulking groove 37 of portion 38 embedding, can guarantee the planarization of whole pen body 1 surface better like this.
As a further improved embodiment:
The sliding plate 22 is arranged on the bar 6, the sliding groove 23 is arranged on the side wall of the sliding bar groove 4, and the sliding plate 22 is connected in the sliding groove 23 in a sliding way.
Through above-mentioned technical scheme, through the cooperation of sliding plate 22 and sliding groove 23 for bar 6 can slide under the spacing state of sliding plate 22 and sliding groove 23 in the slip process, thereby the slip track can have a assurance.
As a further improved embodiment:
The side of the slide groove 4 facing away from the opening 5 is provided with a rotating bar 24, and the rotating bar 24 is rotatably connected in the slide groove 4.
Through above-mentioned technical scheme, through the setting of rotating strip 24, can rotate the strip 24 when the strip chi 6 roll-off for the strip chi 6 is contradicted to the strip chi 24, makes strip chi 6 atress in the roll-in direction, can be contradicted in the use, and can not retract slide rule groove 4 when receiving external force.
As a further improved embodiment:
the rotating bar 24 is provided with a rotating column 25, the sliding rule groove 4 is provided with a rotating hole 26, the rotating column 25 is rotationally connected in the rotating hole 26, the rotating column 25 is provided with a through hole 27, the bottom of the rotating hole 26 is provided with a second threaded hole 28, the through hole 27 and the second threaded hole 28 are provided with a second bolt 30, the second bolt 30 is in threaded connection with the second threaded hole 28, the second bolt 30 is provided with an end 31, the radius of the end 31 is larger than that of the through hole 27, and the rotating bar 24 is limited between the end 31 and the sliding rule groove 4.
Through above-mentioned technical scheme, set up in the rotation hole through the rotation post 25 for whole rotation strip 24 can rotate, and pass through the through-hole 27 through second bolt 30 and screw in second screw hole 28, and tip 31 radius is greater than through-hole 27, can play the spacing to rotation post 25, rotation strip 24 can not break away from.
As a further improved embodiment:
The rotating bar 24 is provided with a recess 32 for the end 31 to sink into.
Through above-mentioned technical scheme, through the setting of indent 32 for tip 31 can imbed wherein, makes whole pen body 1 surface more level and smooth.
As a further improved embodiment:
The ruler 6 is provided with a containing groove 34 for containing the rotating bar 24, and the containing groove 34 is provided with a collision groove 33 for sinking one end of the rotating bar 24.
Through the above technical scheme, the setting of holding tank 34 makes the rule 6 when the state of withdrawal slide rule groove 4, can hold and rotate strip 24 for overall structure is compacter, and can make when rotating strip 24 through the setting of conflict groove 33, can sink into conflict groove 33 for rotate strip 24 and can not take place extra rotation when the atress.
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 examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a multifunctional painting color pen, includes body (1) and pen cap (2), be provided with nib (3) that are used for writing on body (1), pen cap (2) are used for closing nib (3), its characterized in that: the pen body (1) is provided with a slide rule groove (4), the slide rule groove (4) is provided with an opening (5), and the direction of the opening (5) is the side edge of the pen point (3);
A bar (6) is slidably connected in the sliding rule groove (4), and the bar (6) slides out of the opening (5) of the sliding rule groove (4) for measurement;
a gap (7) is formed at the bottoms of the strip rule (6) and the slide rule groove (4);
The sliding rule is characterized in that a limit column (8) is arranged on one side, facing the sliding rule groove (4), of the sliding rule groove (4), a moving strip (9) is further arranged in the sliding rule groove (4), a limit groove (10) is formed in the moving strip (9), a groove arm of the limit groove (10) is located in the sliding direction of the sliding rule (6), the limit groove (10) is used for embedding the limit column (8) to limit sliding of the sliding rule (6), and the moving strip (9) is located in the gap (7);
A return mechanism (11) is arranged on the moving strip (9), and the return mechanism (11) keeps a limit column (8) limited by a limit groove (10);
The pen cap (2) is provided with a push block (12), the push block (12) is used for pushing the moving bar (9) to move, so that the limit groove (10) is separated from the limit column (8), the limit of the limit groove (10) on the limit column (8) is released, and when the pen cap (2) covers the pen point (3), the limit groove (10) releases the limit of the limit column (8);
The sliding ruler comprises a sliding ruler body, a sliding ruler (4) and a return mechanism, wherein a sliding groove (13) is formed in the bottom of the sliding ruler groove (4), the return mechanism (11) comprises a spring (14) and a sliding column (15), the sliding column (15) is arranged on a moving strip (9), the sliding column (15) stretches into the sliding groove (13) and is connected in the sliding groove (13) in a sliding manner, the spring (14) is located in the sliding groove (13), one end of the spring is in contact with the sliding column (15), and the other end of the spring is in contact with a groove arm of the sliding groove (13);
One end of the pen body (1) close to the pen point (3) is provided with a hollowed groove (16), and the push block (12) enters the gap (7) through the hollowed groove (16).
2. A multi-functional painting brush as claimed in claim 1, wherein:
the push block (12) is provided with a slot (17) back to the direction of the opening (5), and the bar (6) is provided with a top block (18) for sliding into the slot (17).
3. A multi-functional painting brush as claimed in claim 1, wherein:
the novel ruler is characterized in that at least two waist-shaped holes (19) which are parallel to each other are formed in the ruler (6), a first threaded hole (20) is formed in the bottom of the ruler groove (4), a first bolt (21) is arranged in the waist-shaped holes (19), and the first bolt (21) is in threaded connection with the first threaded hole (20).
4. A multi-functional painting brush as claimed in claim 1, wherein:
The sliding ruler is characterized in that a sliding plate (22) is arranged on the ruler (6), a sliding groove (23) is formed in the side wall of the ruler groove (4), and the sliding plate (22) is connected in the sliding groove (23) in a sliding mode.
5. A multi-functional painting brush as claimed in claim 1, wherein:
And a rotating strip (24) is arranged on one side of the sliding rule groove (4) opposite to the opening (5), and the rotating strip (24) is rotationally connected in the sliding rule groove (4).
6. The multi-functional paint color pen according to claim 5, wherein:
The utility model discloses a slide rule groove, including slide rule groove (4) and slide rule groove, rotate strip (24) and be provided with rotation post (25), be provided with rotation hole (26) on slide rule groove (4), rotation post (25) rotate and connect in rotation hole (26), be provided with through-hole (27) on rotation post (25), rotation hole (26) bottom is provided with second screw hole (28), be provided with second bolt (30) in through-hole (27) and second screw hole (28), second bolt (30) and second screw hole (28) threaded connection, second bolt (30) have an tip (31), tip (31) radius is greater than through-hole (27), rotate strip (24) spacing between tip (31) and slide rule groove (4).
7. The multi-functional paint color pen according to claim 6, wherein:
the rotating strip (24) is provided with a concave groove (32) for sinking the end part (31).
8. The multi-functional paint color pen of claim 7, wherein:
The ruler (6) is provided with an accommodating groove (34) for accommodating the rotating strip (24), and the accommodating groove (34) is provided with a collision groove (33) for sinking one end of the rotating strip (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591136.7A CN110217020B (en) | 2019-07-02 | 2019-07-02 | Multifunctional painting color pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591136.7A CN110217020B (en) | 2019-07-02 | 2019-07-02 | Multifunctional painting color pen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110217020A CN110217020A (en) | 2019-09-10 |
| CN110217020B true CN110217020B (en) | 2024-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910591136.7A Active CN110217020B (en) | 2019-07-02 | 2019-07-02 | Multifunctional painting color pen |
Country Status (1)
| Country | Link |
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| CN (1) | CN110217020B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140772B (en) * | 2020-10-10 | 2022-04-19 | 北京新唐思创教育科技有限公司 | Ruler pen |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210257755U (en) * | 2019-07-02 | 2020-04-07 | 温州市繁丰文具有限公司 | Multifunctional painting color pen |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3735416A1 (en) * | 1987-10-20 | 1989-05-03 | Becker Hans Dieter | Combined writing, drawing and measuring instrument |
| US6752557B1 (en) * | 2003-10-23 | 2004-06-22 | Ming-Jen Hsieh | Retractile pen |
| DE102010007721B4 (en) * | 2010-02-10 | 2012-12-06 | Ralph-Dieter Schmidt | Universal instrument pen as marking, writing and drawing pen with compass, vernier caliper and protractor |
| CN202399736U (en) * | 2011-12-24 | 2012-08-29 | 姜伟月 | Multifunctional pen |
| CN204659267U (en) * | 2015-04-15 | 2015-09-23 | 浙江机电职业技术学院 | A kind of Multifunction compasses pencil |
| CN204870186U (en) * | 2015-06-23 | 2015-12-16 | 赵春雨 | Infant's water -color paint brush that can color by a large scale |
| CN205439700U (en) * | 2015-12-30 | 2016-08-10 | 谢志鑫 | Student uses ruler |
| CN206374416U (en) * | 2016-07-04 | 2017-08-04 | 罗岚馨 | A kind of Multkfunctional stationery |
| CN206690739U (en) * | 2017-03-10 | 2017-12-01 | 刘明烁 | A kind of Multifunctional stationery pen |
| KR102043499B1 (en) * | 2017-05-10 | 2019-12-02 | 우용성 | A Multifunction Pen |
| CN108656800A (en) * | 2018-04-08 | 2018-10-16 | 袁静 | A kind of new teaching ruler |
-
2019
- 2019-07-02 CN CN201910591136.7A patent/CN110217020B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210257755U (en) * | 2019-07-02 | 2020-04-07 | 温州市繁丰文具有限公司 | Multifunctional painting color pen |
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| CN110217020A (en) | 2019-09-10 |
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