CN108725085B - Carbon rod drawing holder for arts and crafts - Google Patents
Carbon rod drawing holder for arts and crafts Download PDFInfo
- Publication number
- CN108725085B CN108725085B CN201810774266.XA CN201810774266A CN108725085B CN 108725085 B CN108725085 B CN 108725085B CN 201810774266 A CN201810774266 A CN 201810774266A CN 108725085 B CN108725085 B CN 108725085B
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- Prior art keywords
- push
- piece
- rod
- holding tube
- clamping piece
- Prior art date
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 65
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000010422 painting Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 4
- 230000036541 health Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/22—Implements or apparatus for special techniques, e.g. for painting lines, for pouring varnish; Batik pencils
Abstract
The invention provides a carbon rod drawing holder for industrial arts, which comprises a holding tube, a spring, a push-pull device, a support, a driving piece and a clamping piece. The holding tube is a round tube with the top end closed and the bottom end opened, the annular structure at the top of the push-pull device is arranged in the holding tube, the spring is arranged in the holding tube, and the spring is clamped between the annular structure and the limiting ring at the top in the holding tube; a plurality of guide rods extend out of the outer cylindrical surface of the annular structure of the push-pull device and are arranged in guide grooves formed in the bottom end of the holding tube upwards; the guide rod is connected with a push-pull ring after being bent downwards, and a driving rod is processed on the push-pull ring; the sealing piece at the top of the support is welded at the opening of the holding pipe, the bottom of the sealing piece is provided with a stand column, and the bottom end of the stand column is provided with a support rod; the clamping piece is inverted L-shaped, and the corner is hinged on the supporting rod; the outer end of the driving piece is hinged on the driving rod, and the inner end face extends out of the drawing and inserting column and is inserted into the drawing and inserting hole at the top end of the clamping piece. The push-pull ring is pushed upwards, the driving piece moves upwards to drive the clamping piece to rotate, and the clamping piece clamps the carbon rod after the hand is released.
Description
Technical Field
The invention relates to an industrial art tool, in particular to a carbon rod painting holder for industrial art.
Background
The carbon strip, also called carbon lead, is specially used for drawing shorthand, and has carbon feel besides certain strength and hardness. The carbon strips are made of charcoal powder, carbon black powder and clay, and the process is basically the same as that of graphite clay lead cores, but oil immersion treatment is not needed. The carbon strips can have various colors after being added with other color materials.
The carbon bars are used for greatly shorthand and head portraits, and have rough and strong expression effect, clear black and white and large change. The side edge scribing is used, and the large piece of painting can be performed after the side edge scribing is used for lying, so that the general brightness and the inherent color are expressed. The lines drawn by the carbon strips are colorful, and the texture of the object is easily shown by matching with the middle level and the soft feel.
The carbon rod brush can be used infinitely, and if a layer of white bacterial plaque is not formed on the surface for a long time, the brush can be used continuously after being smeared with cloth. The common painting works fade and change color after a long time, only have subtle and obvious changes, and the works painted by the carbon strips are protected well, and the carbon powder on the paper surface can be stable and is not easy to fall by spraying the protective liquid. Secondly, the picture frame is mounted on the picture, so that long-term storage can be realized.
At present, when an author uses a carbon strip to draw, the palm holding the carbon strip is polluted by the carbon strip, the palm is difficult to clean, and the physical health of the author can be influenced even through diet after the creator contacts food. Therefore, a carbon rod drawing holder for industrial arts is needed, the extension length of the carbon rod at the end part of the holder can be adjusted, and the phenomenon that the carbon rod is easily broken due to too long extension is avoided. The method has important significance for avoiding the problem of palm pollution when the creator draws and guaranteeing the physical health of the creator.
Disclosure of Invention
Therefore, in order to avoid the problem that the palm of an author directly contacts the carbon rod during drawing, the invention provides the carbon rod drawing holder for industrial arts, the extending length of the carbon rod at the end part of the holder can be adjusted, and the carbon rod can be rapidly clamped and taken down.
The technical scheme adopted by the invention is as follows: a carbon rod drawing holder for industrial art is characterized in that: comprises a holding tube, a spring, a push-pull device, a supporting device, a driving piece and a clamping piece.
The holding pipe is in a circular pipe shape with a closed top and an open bottom, and four strip-shaped guide grooves are formed in the bottom end face of the holding pipe upwards along the central axis; an annular limiting ring is arranged in the holding tube and near the top of the holding tube and surrounds the central axis of the holding tube; the bottom surface of the limiting ring surrounds the central axis of the limiting ring and is provided with an annular spring top groove.
The top of the push-pull device is of a circular ring-shaped structure, the top surface of the ring-shaped structure surrounds the central axis of the ring-shaped structure, and an annular spring bottom groove is formed; the annular structure of the push-pull device is arranged in the holding tube, four guide rods are uniformly arranged on the outer cylindrical surface of the annular structure, and horizontally extend outwards to penetrate through the guide groove and then bend downwards; the bottom of guide bar is equipped with annular push-and-pull ring, the processing has four actuating levers on the push-and-pull ring.
Further, the cross section outline of the push-pull ring is circular.
Further, the driving rods are positioned at intervals of the guide rods, and each driving rod is positioned at an intermediate position of two adjacent guide rods.
The top end face of the spring is arranged in a spring top groove of the holding pipe, and the bottom end face of the spring is arranged in a spring bottom groove of the push-pull device.
The top of the support is a flat circular cylindrical sealing piece, and the sealing piece is welded at the bottom opening of the holding pipe; a square supporting hole is formed in the center of the sealing piece; four long-strip-shaped struts are arranged on the bottom surface of the sealing piece around the central axis of the sealing piece and around the supporting hole; both side surfaces of the bottom end of the support post are respectively provided with a horizontal thin cylindrical support rod.
Further, after the annular structure of the push-pull device is arranged in the holding pipe, the sealing piece of the support device is welded at the opening of the holding pipe, and the annular structure of the push-pull device is sealed in the holding pipe.
Further, the supporting holes of the supporting device are square through holes, and the outline of the supporting holes is the same as the outline of the horizontal cross section of the carbon strips.
Further, the distance between the central axes of the support rods on the two struts on two opposite sides of the support Kong Renyi is larger than the width of the support hole.
The outer side of the driving piece is hinged to a driving rod of the push-pull device, and two drawing and inserting posts extend out of the inner side end face of the driving piece and are inserted into drawing and inserting holes in the upper side end face of the clamping piece.
The clamping piece is in an inverted L shape with the horizontal part up and the vertical part down, and the bending part of the clamping piece is hinged on the supporting rod of the supporting device; the inner side surface of the vertical part of the clamping piece is processed into a rough surface, and stripes of the rough surface are in the horizontal direction; two drawing jacks are formed in the upper end face of the clamping piece.
Further, when the inner side surfaces of the vertical portions of any two opposite clips are parallel, the space between the inner side surfaces is equal to the width of the supporting hole.
Further, the cross section outline of the drawing and inserting column on the driving piece is the same as the outline of the drawing and inserting hole of the clamping piece.
The principle of the invention is as follows: the carbon strips are long-strip cylindrical, and the horizontal cross section profile of the carbon strips is square.
After the hand grasps the holding tube, the push-pull ring of the push-pull device is pulled upwards by fingers or the other hand, the driving rod drives the outer end of the driving piece to move upwards, the drawing and inserting column of the driving piece moves outwards from the drawing and inserting hole of the clamping piece, the top end of the clamping piece moves upwards, and the vertical part of the clamping piece rotates outwards.
After the vertical parts of the four clamping pieces are rotated outwards, gaps between the clamping pieces become larger, and the carbon strips are inserted into the supporting holes from the gaps between the clamping pieces.
After the push-pull ring of the push-pull device is released, the push-pull device is pushed by the spring to move downwards due to the elastic action of the spring until the four clamping pieces clamp the carbon strips.
The four clamping pieces and the supporting holes simultaneously clamp two positions of the carbon rod, so that the stability of the carbon rod is ensured; the clamping piece is opened and tightened by pulling the push-pull ring, the carbon rod exposed out of the bottom end of the clamping piece is adjusted, the exposed carbon rod is kept within a smaller length range, and the breakage of the carbon rod is prevented.
The carbon rod painting holder for industrial art has the following advantages:
(1) The push-pull device is combined with a spring structure, and the clamping piece is pushed by utilizing elasticity to clamp the carbon rod;
(2) The clamping piece is in an inverted L shape, and the pivot is arranged at the bending position of the clamping piece, so that the adjustment of the size of a gap between vertical parts of the clamping piece is realized;
(3) The push-pull device is limited to move within a certain length range by the guide groove and the sealing piece of the support device, and the guide groove limits the rotation of the push-pull device.
Therefore, the carbon rod drawing holder for industrial art has the advantages that the extending length of the carbon rod at the end part of the holder can be adjusted, the carbon rod can be rapidly clamped and taken down, the phenomenon that the carbon rod is easily broken when extending too long is avoided, the problem of palm pollution when an creator draws is avoided, and the physical health of the creator is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, or may be learned by practice of the invention.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic view of the overall assembly from the side view of the clip as it clamps the carbon strip.
FIG. 2 is a schematic view of the overall assembly from the bottom view of the clip as it clamps the carbon strip.
Fig. 3 is a schematic view of an internal assembly structure of the grip tube in a cut-away state.
Fig. 4 is a schematic view showing the internal structure of the grip tube in a broken state with the spring removed.
Fig. 5 is a schematic view of the internal structure of the grip tube in a broken state with the spring and carbon strips removed.
Fig. 6 is a schematic view of the outside structure of the grip tube.
Fig. 7 is a schematic view of the structure of the retainer ring in a broken-away state of the grip tube.
FIG. 8 is a schematic view of the assembled structure of the push-pull device and the grip tube.
FIG. 9 is a schematic illustration of the push-pull and grip tube disassembled.
FIG. 10 is a schematic diagram of a push-pull device.
Fig. 11 is a schematic view of an assembled structure of the supporter and the grip tube.
Fig. 12 is a schematic view of the support and grip tube in exploded view.
Fig. 13 is a schematic structural view of the supporter.
FIG. 14 is a schematic top structural view of the assembled structure of the push-pull device, the support, the driving plate and the clamping piece in the four-piece clamping piece tightened state.
FIG. 15 is a schematic view of the bottom structure of the assembled structure of the push-pull device, the support, the driving plate and the clamping piece in the four-piece clamping piece tightened state.
FIG. 16 is a schematic view of the bottom structure of the assembly of the push-pull device, the support, the driving plate, and the clip in the open state of the four clips.
FIG. 17 is a schematic view of the bottom structure of the assembled structure of the push-pull device, the support, the driving plate, and the clip in the tightened state of the single clip.
FIG. 18 is a schematic view of the bottom structure of the assembly of the push-pull device, the support, the driving plate, and the clip in the open state of the single clip.
Fig. 19 is a schematic view of the assembled structure of the driving plate and clip.
Fig. 20 is a schematic view of the driver blade and clip in exploded view.
Fig. 21 is a schematic view of the structure of the clip.
Figure 22 is a schematic view of the overall assembly from the side view of the clip as it opens.
Reference numerals in the drawings: 1-holding tube, 101-guide groove, 102-limit ring, 103-spring top groove, 2-spring, 3-push-pull device, 301-ring structure, 302-spring bottom groove, 303-guide rod, 304-push-pull ring, 305-driving rod, 4-support, 401-sealing piece, 402-support hole, 403-support column, 404-support rod, 5-driving piece, 501-plug-in column, 6-clamping piece, 601-rough surface, 602-plug-in hole and a-carbon rod.
Detailed Description
The carbon rod drawing holder for industrial art according to the present invention will be described in further detail with reference to the drawings and examples, wherein the direction is described with the closed end of the holding tube being up and the open end of the holding tube being down.
A carbon rod drawing holder for industrial art is characterized in that: comprises a holding tube 1, a spring 2, a push-pull device 3, a support 4, a driving piece 5 and a clamping piece 6.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the holding tube 1 is a circular tube with a closed top and an open bottom, and four elongated guide grooves 101 are provided on the bottom end surface of the holding tube 1 along the central axis; an annular limiting ring 102 is arranged in the holding tube 1 and near the top position and surrounds the central axis of the holding tube; the bottom surface of the limiting ring 102 surrounds the central axis of the limiting ring, and is provided with an annular spring top groove 103.
As shown in fig. 3, 4, 5, 8, 9 and 10, the top of the push-pull device 3 is a circular ring-shaped structure 301, and the top surface of the ring-shaped structure 301 surrounds the central axis of the ring-shaped structure and is provided with a ring-shaped spring bottom groove 302; the annular structure 301 of the push-pull device 3 is arranged in the holding tube 1, four guide rods 303 are uniformly arranged on the outer cylindrical surface of the annular structure 301, and the guide rods 303 horizontally extend outwards to penetrate through the guide grooves 101 and then bend downwards; an annular push-pull ring 304 is arranged at the bottom end of the guide rod 303, and four driving rods 305 are machined on the push-pull ring 304.
Further, the inner diameter of the push-pull ring 304 is larger than the outer diameter of the grip tube 1.
Further, the cross-sectional profile of the push-pull ring 304 is circular.
Further, the driving rods 305 are positioned at intervals of the guide rods 303, and each driving rod 305 is positioned at an intermediate position of two adjacent guide rods 303.
Further, the driving rod 305 is a thin cylindrical straight rod, and the outer diameter of the driving rod 305 is smaller than the outer diameter of other parts of the push-pull ring 304.
As shown in fig. 3, the top end surface of the spring 2 is installed in the spring top groove 103 of the holding tube 1, and the bottom end surface of the spring 2 is installed in the spring bottom groove 302 of the push-pull device 3.
As shown in fig. 11, 12 and 13, the top of the supporter 4 is an oblate cylindrical sealing piece 401, and the sealing piece 401 is welded at the bottom opening of the holding tube 1; a square supporting hole 402 is formed in the center of the sealing piece 401; around the central axis of the closing plate 401 and around the supporting hole 402, four elongated posts 403 are provided on the bottom surface of the closing plate 401; both side surfaces of the bottom end of the strut 403 are provided with horizontal thin cylindrical support rods 404.
Further, after the annular structure 301 of the push-pull device 3 is installed in the holding tube 1, the sealing piece 401 of the support 4 is welded at the opening of the holding tube 1, and the annular structure 301 of the push-pull device 3 is sealed in the holding tube 1.
Further, the bottom surface of the closing piece 401 is coplanar with the bottom end surface of the grip tube 1.
Further, the supporting hole 402 of the supporter 4 is a square through hole, and the contour of the supporting hole 402 is the same as the horizontal cross section contour of the carbon rod.
Further, the support holes 402 are spaced apart from the central axis of the support rods 404 on two columns 403 on either side of the support holes by a distance greater than the width of the support holes 402.
As shown in fig. 17, 18, 19 and 20, the outer side of the driving piece 5 is hinged to the driving rod 305 of the push-pull device 3, and two drawing and inserting posts 501 extend from the inner side end surface of the driving piece 5 and are inserted into drawing and inserting holes 602 on the upper side end surface of the clamping piece 6.
As shown in fig. 15, 16, 17, 18, 19, 20 and 21, the clamping piece 6 is in an inverted L shape with a horizontal part up and a vertical part down, and the bending part of the clamping piece 6 is hinged on the supporting rod 404 of the supporting device 4; the inner side surface of the vertical part of the clamping piece 6 is processed into a rough surface 601, and stripes of the rough surface 601 are in the horizontal direction; two drawing holes 602 are formed on the upper end surface of the clamping piece 6.
Further, when the inner sides of the vertical portions of any two facing clips 6 are parallel, the space between the inner sides is equal to the width of the support hole 402.
Further, the cross-sectional profile of the extraction post 501 on the driving plate 5 is the same as the profile of the extraction hole 602 of the clip 6.
The carbon strips are long-strip cylindrical, and the horizontal cross section profile of the carbon strips is square.
As shown in fig. 14, 15, 16, 17 and 18, after the hand grasps the grip tube 1, the finger or the other hand pulls the push-pull ring 304 of the push-pull device 3 upward, the driving rod 305 drives the outer end of the driving piece 5 to move upward, the inserting column 501 of the driving piece 5 moves outward from the inserting hole 602 of the clamping piece 6, the top end of the clamping piece 6 moves upward, and the vertical part of the clamping piece 6 rotates outward.
As shown in fig. 22, after the vertical portions of the four pieces of clips 6 are turned outward, the gap between the clips 6 becomes large, and the carbon rod is inserted into the supporting hole 402 from the gap between the clips 6.
As shown in fig. 1 and 2, after the push-pull ring 304 of the push-pull device 3 is released, the push-pull device 3 is pushed by the spring 2 to move downwards due to the elastic action of the spring 2 until the four clamping pieces 6 clamp the carbon strips.
The four clamping pieces 6 and the supporting holes 402 simultaneously clamp two positions of the carbon strips, so that the stability of the carbon strips is ensured; by pulling the push-pull ring 304, the clamping piece 6 is opened and tightened, the carbon rod exposed outside the bottom end of the clamping piece 6 is adjusted, the exposed carbon rod is kept within a smaller length range, and the breakage of the carbon rod is prevented.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. A carbon rod drawing holder for industrial art is characterized in that: comprises a holding tube (1), a spring (2), a push-pull device (3), a support (4), a driving piece (5) and a clamping piece (6);
the holding tube (1) is in a circular tube shape with a closed top and an open bottom, and four strip-shaped guide grooves (101) are formed in the bottom end face of the holding tube (1) upwards along the central axis; an annular limiting ring (102) is arranged in the holding tube (1) and near the top position and surrounds the central axis of the holding tube; the bottom surface of the limiting ring (102) surrounds the central axis of the limiting ring and is provided with an annular spring top groove (103);
the top of the push-pull device (3) is a circular ring-shaped structure (301), and the top surface of the ring-shaped structure (301) surrounds the central axis of the ring-shaped structure and is provided with a ring-shaped spring bottom groove (302); the annular structure (301) of the push-pull device (3) is arranged in the holding tube (1), four guide rods (303) are uniformly arranged on the outer cylindrical surface of the annular structure (301), and the guide rods (303) horizontally extend outwards to penetrate through the guide groove (101) and then bend downwards; an annular push-pull ring (304) is arranged at the bottom end of the guide rod (303), and four driving rods (305) are machined on the push-pull ring (304);
the top end face of the spring (2) is arranged in a spring top groove (103) of the holding pipe (1), and the bottom end face of the spring (2) is arranged in a spring bottom groove (302) of the push-pull device (3);
the top of the support (4) is an oblate cylindrical sealing piece (401), and the sealing piece (401) is welded at the bottom opening of the holding tube (1); a square supporting hole (402) is formed in the center of the sealing piece (401); four long-strip-shaped struts (403) are arranged on the bottom surface of the sealing sheet (401) around the central axis of the sealing sheet (401) and around the supporting holes (402); both side surfaces of the bottom end of the strut (403) are provided with horizontal thin cylindrical support rods (404);
the outer side of the driving piece (5) is hinged to a driving rod (305) of the push-pull device (3), two drawing and inserting columns (501) extend out of the inner side end surface of the driving piece (5) and are inserted into drawing and inserting holes (602) of the upper side end surface of the clamping piece (6);
the clamping piece (6) is in an inverted L shape with the horizontal part up and the vertical part down, and the bending part of the clamping piece (6) is hinged on the supporting rod (404) of the supporting device (4); the inner side surface of the vertical part of the clamping piece (6) is processed into a rough surface (601), and stripes of the rough surface (601) are in the horizontal direction; two drawing jacks (602) are formed in the upper end face of the clamping piece (6);
the driving rods (305) are positioned at intervals of the guide rods (303), and each driving rod (305) is positioned at the middle position of two adjacent guide rods (303);
the bottom surface of the sealing piece (401) is coplanar with the bottom end surface of the holding tube (1);
the supporting holes (402) of the supporting device (4) are square through holes, and the outline of the supporting holes (402) is the same as the horizontal cross section outline of the carbon strips.
2. The industrial art carbon strip painting holder of claim 1, wherein: the inner diameter of the push-pull ring (304) is larger than the outer diameter of the holding tube (1); the cross-sectional profile of the push-pull ring (304) is circular.
3. The industrial art carbon strip painting holder of claim 1, wherein: the driving rod (305) is a thin cylindrical straight rod, and the outer diameter of the driving rod (305) is smaller than the outer diameter of other parts of the push-pull ring (304).
4. The industrial art carbon strip painting holder of claim 1, wherein: after the annular structure (301) of the push-pull device (3) is arranged in the holding pipe (1), the sealing piece (401) of the support device (4) is welded at the opening of the holding pipe (1), and the annular structure (301) of the push-pull device (3) is sealed in the holding pipe (1).
5. The industrial art carbon strip painting holder of claim 1, wherein: the distance between the central axes of the support rods (404) on the two support columns (403) on any two opposite sides of the support hole (402) is larger than the width of the support hole (402).
6. The industrial art carbon strip painting holder of claim 1, wherein: when the inner side surfaces of the vertical parts of any two opposite clamping pieces (6) are parallel, the distance between the inner side surfaces is equal to the width of the supporting hole (402).
7. The industrial art carbon strip painting holder of claim 1, wherein: the cross section outline of the drawing and inserting column (501) on the driving piece (5) is the same as the outline of the drawing and inserting hole (602) of the clamping piece (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774266.XA CN108725085B (en) | 2018-07-16 | 2018-07-16 | Carbon rod drawing holder for arts and crafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774266.XA CN108725085B (en) | 2018-07-16 | 2018-07-16 | Carbon rod drawing holder for arts and crafts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108725085A CN108725085A (en) | 2018-11-02 |
| CN108725085B true CN108725085B (en) | 2023-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810774266.XA Active CN108725085B (en) | 2018-07-16 | 2018-07-16 | Carbon rod drawing holder for arts and crafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108725085B (en) |
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| CN105459677A (en) * | 2015-11-19 | 2016-04-06 | 华蓥市阳和镇小学 | Heating type hand guard chalk sleeve |
| CN206605669U (en) * | 2017-02-28 | 2017-11-03 | 醴陵市华旺瓷业有限公司 | A kind of manual cutting ceramic tile stationary fixture |
| CN106956103A (en) * | 2017-05-18 | 2017-07-18 | 安徽朗迪叶轮机械有限公司 | A kind of device welded for fan blade |
| CN107618286A (en) * | 2017-10-10 | 2018-01-23 | 王伟民 | A kind of education and instruction capable of preventing hand from injury chalk sleeve |
| CN208881474U (en) * | 2018-07-16 | 2019-05-21 | 宁德职业技术学院 | A kind of carbon item drawing holder of industrial art |
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| CN108725085A (en) | 2018-11-02 |
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