CN213757176U - Portable drawing device for green architectural design - Google Patents
Portable drawing device for green architectural design Download PDFInfo
- Publication number
- CN213757176U CN213757176U CN202022717533.5U CN202022717533U CN213757176U CN 213757176 U CN213757176 U CN 213757176U CN 202022717533 U CN202022717533 U CN 202022717533U CN 213757176 U CN213757176 U CN 213757176U
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- supporting
- rotating shaft
- rod
- bracing piece
- rear end
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000008602 contraction Effects 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010422 painting Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a green portable drawing device for architectural design, which comprises a mainboard, the front end of mainboard is provided with backup pad mechanism, backup pad mechanism includes curb plate, slide rail and through-hole, the front end of mainboard is provided with the curb plate, the inside of curb plate is provided with the slide rail, the rear end of slide rail is provided with the through-hole, the lower extreme of backup pad mechanism is provided with support frame structure, support frame structure includes slider shrink pole, first bracing piece, pivot post, second bracing piece, plasticity clamp supporting rod, first screw thread pivot, first commentaries on classics cap, first nut, second screw thread pivot, second commentaries on classics cap, second nut, first supporting legs and second supporting legs, the inside one end of slide rail is provided with slider shrink pole. The utility model discloses be convenient for folding shrink carries, during the use, can expand and support the drawing to can realize the regulation of multi-angle, it is nimble convenient to use, better satisfying the use needs.
Description
Technical Field
The utility model relates to a drawing device technical field specifically is a green portable drawing device for architectural design.
Background
The drawing support plate is a fiber board for drawing, which is a square panel used as a bottom plate of drawing paper, and is typically rectangular cork about 3/4 inches thick with a perfectly flat and smooth surface. But because supporting structure is too heavy, inconvenient carrying is difficult to the job site and carries out field design, leads to using the restriction to when carrying out the design at the job site, the on-the-spot room is mostly spacious, lacks facilities such as desk for the drawing, also brings a great deal of inconvenience for the drawing board is drawn a picture, so the scheme that can alleviate above-mentioned problem urgently needs one kind.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable drawing device is used in green architectural design to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a portable drawing device for green architectural design comprises a main board, wherein a supporting board mechanism is arranged at the front end of the main board and comprises a side board, a sliding rail and a through hole, the front end of the main board is provided with the side board, the sliding rail is arranged inside the side board, the rear end of the sliding rail is provided with the through hole, the lower end of the supporting board mechanism is provided with a supporting frame structure, the supporting frame structure comprises a sliding block contraction rod, a first supporting rod, a rotating shaft column, a second supporting rod, a plastic clamping supporting rod, a first threaded rotating shaft, a first rotating cap, a first nut, a second threaded rotating shaft, a second rotating cap, a second nut, a first supporting foot and a second supporting foot, the sliding block contraction rod is arranged at one end inside the sliding rail, the first supporting rod is arranged at the front end of the sliding block contraction rod, the rotating shaft column is arranged at the front end, close to one end, of the side board, and the second supporting rod is arranged at the lower end of the outer surface of the rotating shaft column, the lower extreme of first bracing piece and second bracing piece is provided with plasticity and presss from both sides tight bracing piece, the upper end that plasticity presss from both sides tight bracing piece is provided with first screw thread pivot with first bracing piece and the articulated department of second bracing piece, the rear end of first screw thread pivot is provided with first commentaries on classics cap, the outside that the front end that plasticity pressed from both sides tight bracing piece is close to first screw thread pivot is provided with first nut, the lower extreme that plasticity pressed from both sides tight bracing piece is provided with first supporting legs, the rear end of first supporting legs is provided with the second supporting legs, the lower extreme that plasticity pressed from both sides tight bracing piece is provided with second screw thread pivot with the articulated department of first supporting legs and second supporting legs, the rear end of second screw thread pivot is provided with the second and changes the cap, the outside that the front end that plasticity pressed from both sides tight bracing piece is close to second screw thread pivot is provided with the second nut.
Preferably, the rear end of the side plate is fixedly connected with the front end of the main plate, the slide rail is arranged in the side plate, and the through hole is arranged at the rear end of the slide rail.
Preferably, the outer surface of the slider contraction rod is in sliding connection with the inner surface of the slide rail, a movable projection is arranged at the rear end of the slider contraction rod, the outer surface of the movable projection is movably connected with the inner surface of the through hole, the front end of the slider contraction rod is fixedly connected with the rear end of the first support rod, and the rotating shaft column is arranged at the front end of the side plate and close to the other end.
Preferably, the surface lower extreme of pivot post is provided with the second bracing piece, the second bracing piece passes through to rotate between pivot post and the curb plate and is connected, plasticity presss from both sides tight bracing piece and installs the lower extreme at first bracing piece and second bracing piece, plasticity presss from both sides the upper end of pressing from both sides tight bracing piece and is provided with the first groove, the rear end swing joint in first bracing piece and first groove, the front end of second bracing piece and the front end swing joint in first groove, swing joint between the lower extreme of first bracing piece and the lower extreme of second bracing piece.
Preferably, first screw thread pivot runs through the front and back end in first bracing piece and the tight bracing piece first groove of second bracing piece and plasticity, the surface of first screw thread pivot is rotated with the surface that runs through in the tight bracing piece first groove of first bracing piece, second bracing piece and plasticity and is connected, first nut fixed mounting is in the rear end of first screw thread pivot, first nut fixed mounting is close to the outside in first screw thread pivot at the front end that plasticity presss from both sides tight bracing piece, the internal surface of first nut and the surface threaded connection of first screw thread pivot, the second groove has been seted up to the lower extreme that plasticity presss from both sides tight bracing piece, the front end of first supporting legs and the front end swing joint in second groove, the rear end of first supporting legs and the front end swing joint of second supporting legs.
Preferably, the rear end of second supporting legs and the rear end swing joint in second groove, second screw thread pivot runs through the front and back end in the tight bracing piece second groove of plasticity clamp and first supporting legs and second supporting legs, the surface of second screw thread pivot is connected with the surface rotation that runs through in the tight bracing piece second groove of first supporting legs, second supporting legs and plasticity clamp, the second is changeed the rear end of cap fixed mounting at second screw thread pivot, second nut fixed mounting is close to the outside of second screw thread pivot at the front end that the tight bracing piece was pressed from both sides to plasticity clamp, threaded connection between the internal surface of second nut and the surface of second screw thread pivot, backup pad mechanism and supporting frame structure all are provided with two sets ofly, the through-hole is provided with eleven and is organized.
Compared with the prior art, the beneficial effects of the utility model are as follows:
when the device needs to be used, the first supporting rod is manually pulled to enable the first supporting rod to drive the sliding block shrinkage rod to draw towards one end of the sliding rail in the sliding rail, the movable convex block at the rear end of the sliding block shrinkage rod is clamped in the through hole to fix the angular position of the first supporting rod, the first supporting rod and the second supporting rod are unfolded at the moment, the first threaded rotating shaft is in threaded connection with the first nut by rotating the first rotating cap, so that the first groove of the plastic clamping supporting rod clamps the lower ends of the first supporting rod and the second supporting rod, the integral angular position of the upper end of the plastic clamping supporting rod is fixed, the integral inclination of the upper end of the plastic clamping supporting rod is avoided, the angle between the first supporting foot and the second supporting foot is well adjusted, the second rotating cap is screwed tightly, the second threaded rotating shaft is in threaded connection with the second nut, and the second groove of the plastic clamping supporting rod is driven to clamp the first supporting foot and the second supporting foot, in order to strengthen stability, can fold first bracing piece, second bracing piece, the tight bracing piece of plasticity clamp, first supporting leg and second supporting leg after the use to carry, this device is convenient for fold and contracts and carries, during the use, can expand and support the painting, and can realize the regulation of multi-angle, it is nimble convenient to use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a structural diagram of the supporting frame of the present invention;
FIG. 3 is a schematic view of the reverse structure of the supporting frame structure of the present invention;
FIG. 4 is an enlarged schematic view of part A of the present invention;
FIG. 5 is an enlarged schematic view of the part B of the present invention;
FIG. 6 is an enlarged schematic view of the section C of the present invention;
FIG. 7 is a schematic view of the enlarged structure of the section D of the present invention;
fig. 8 is an enlarged schematic view of the part E of the present invention.
In the figure: 1. a main board; 2. a support plate mechanism; 3. a support frame structure; 201. a side plate; 202. a slide rail; 203. a through hole; 301. a slider retracting lever; 302. a first support bar; 303. a rotating shaft column; 304. a second support bar; 305. the supporting rod can be clamped in a plastic way; 306. a first threaded shaft; 307. a first swivel cap; 308. a first nut; 309. a second threaded shaft; 310. a second swivel cap; 311. a second nut; 312. a first supporting leg; 313. the second supporting leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are relative to each other, are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-8, the present invention provides an embodiment: a portable drawing device for green architectural design comprises a main board 1, a supporting board mechanism 2 is arranged at the front end of the main board 1, the supporting board mechanism 2 comprises a side board 201, a sliding rail 202 and a through hole 203, the side board 201 is arranged at the front end of the main board 1, the sliding rail 202 is arranged inside the side board 201, the through hole 203 is arranged at the rear end of the sliding rail 202, a supporting frame structure 3 is arranged at the lower end of the supporting board mechanism 2, the supporting frame structure 3 comprises a sliding block contraction rod 301, a first supporting rod 302, a rotating shaft column 303, a second supporting rod 304, a plastic clamping supporting rod 305, a first threaded rotating shaft 306, a first rotating cap 307, a first nut 308, a second threaded rotating shaft 309, a second rotating cap 310, a second nut 311, a first supporting leg 312 and a second supporting leg 313, the sliding block contraction rod 301 is arranged at one end inside the sliding rail 202, the first supporting rod 302 is arranged at the front end of the sliding block contraction rod 301, the rotating shaft column 303 is arranged at one end, the front end of the side board 201 is close to one end, the lower end of the outer surface of the rotating shaft column 303 is provided with a second support bar 304, the lower ends of the first support bar 302 and the second support bar 304 are provided with a plastic clamping support bar 305, a first threaded rotating shaft 306 is arranged at the hinged part of the upper end of the plastic clamping support rod 305 and the first support rod 302 and the second support rod 304, a first rotating cap 307 is arranged at the rear end of the first threaded rotating shaft 306, the front end of the plastic clamping support bar 305 near the outer side of the first threaded rotating shaft 306 is provided with a first nut 308, the lower end of the plastic clamping support bar 305 is provided with a first support leg 312, the rear end of the first support leg 312 is provided with a second support leg 313, a second threaded rotating shaft 309 is arranged at the hinged part of the lower end of the plastic clamping support rod 305 and the first support leg 312 and the second support leg 313, a second rotating cap 310 is arranged at the rear end of the second threaded rotating shaft 309, the front end of the plastic clamping support bar 305 is provided with a second nut 311 near the outer side of the second threaded rotating shaft 309.
The rear end of the side plate 201 is fixedly connected with the front end of the main plate 1, the slide rail 202 is arranged inside the side plate 201, and the through hole 203 is arranged at the rear end of the slide rail 202.
The outer surface of the sliding block contraction rod 301 is in sliding connection with the inner surface of the sliding rail 202, the rear end of the sliding block contraction rod 301 is provided with a movable convex block, the outer surface of the movable convex block is movably connected with the inner surface of the through hole 203, the front end of the sliding block contraction rod 301 is fixedly connected with the rear end of the first supporting rod 302, and the rotating shaft column 303 is installed at the front end of the side plate 201 and close to the other end.
The lower end of the outer surface of the rotating shaft column 303 is provided with a second support rod 304, the second support rod 304 is rotatably connected with the side plate 201 through the rotating shaft column 303, the plasticity clamping support rod 305 is installed at the lower ends of the first support rod 302 and the second support rod 304, the upper end of the plasticity clamping support rod 305 is provided with a first groove, the first support rod 302 is movably connected with the rear end of the first groove, the front end of the second support rod 304 is movably connected with the front end of the first groove, and the lower end of the first support rod 302 is movably connected with the lower end of the second support rod 304.
The first threaded rotating shaft 306 penetrates through the first supporting rod 302, the second supporting rod 304 and the front end and the rear end of the first groove of the plastic clamping supporting rod 305, the outer surface of the first threaded rotating shaft 306 is rotatably connected with the penetrating surfaces of the first grooves of the first supporting rod 302, the second supporting rod 304 and the plastic clamping supporting rod 305, the first rotating cap 307 is fixedly installed at the rear end of the first threaded rotating shaft 306, the first nut 308 is fixedly installed at the front end of the plastic clamping supporting rod 305 close to the outer side of the first threaded rotating shaft 306, the inner surface of the first nut 308 is in threaded connection with the outer surface of the first threaded rotating shaft 306, the lower end of the plastic clamping supporting rod 305 is provided with the second groove, the front end of the first supporting foot 312 is movably connected with the front end of the second groove, and the rear end of the first supporting foot 312 is movably connected with the front end of the second supporting foot 313.
The rear end of the second supporting leg 313 is movably connected with the rear end of the second groove, the second threaded rotating shaft 309 penetrates through the second groove of the plastic clamping supporting rod 305 and the front and rear ends of the first supporting leg 312 and the second supporting leg 313, the outer surface of the second threaded rotating shaft 309 is rotatably connected with the penetrating surfaces of the first supporting leg 312, the second supporting leg 313 and the second groove of the plastic clamping supporting rod 305, the second rotating cap 310 is fixedly installed at the rear end of the second threaded rotating shaft 309, the second nut 311 is fixedly installed at the front end of the plastic clamping supporting rod 305, which is close to the outer side of the second threaded rotating shaft 309, the inner surface of the second nut 311 is in threaded connection with the outer surface of the second threaded rotating shaft 309, two groups of supporting plate mechanisms 2 and two groups of supporting frame structures 3 are arranged, and eleven groups of through holes 203 are arranged; when the device needs to be used, the first supporting rod 302 is pulled manually, so that the first supporting rod 302 drives the sliding block shrinkage rod 301 to slide towards one end of the sliding rail 202 in the sliding rail 202, the movable convex block at the rear end of the sliding block shrinkage rod 301 is clamped in the through hole 203, so as to fix the angular position of the first supporting rod 302, at this time, the first supporting rod 302 and the second supporting rod 304 are unfolded, the first rotating cap 307 is rotated, so that the first threaded rotating shaft 306 and the first nut 308 are in threaded connection, the first groove of the plastic clamping supporting rod 305 clamps the lower ends of the first supporting rod 302 and the second supporting rod 304, so as to fix the integral angular position of the upper end of the plastic clamping supporting rod 305, avoid the integral inclination of the upper end of the plastic clamping supporting rod 305, then the angle between the first supporting leg 312 and the second supporting leg 313 is adjusted, the second rotating cap 310 is screwed, so that the second threaded rotating shaft 309 and the second nut 311 are in threaded connection, drive plasticity and press from both sides tight first supporting legs 312 of bracing piece 305 second groove and second supporting legs 313 to strengthen stability, can fold first supporting legs 302 after the use, second supporting legs 304, plasticity press from both sides tight bracing piece 305, first supporting legs 312 and second supporting legs 313, so that carry, this device is convenient for fold the shrink and is carried, during the use, can expand and support the painting, and can realize the regulation of multi-angle, it is nimble convenient to use.
The working principle is as follows: when the device needs to be used, the first supporting rod 302 is pulled manually, so that the first supporting rod 302 drives the sliding block shrinkage rod 301 to slide towards one end of the sliding rail 202 in the sliding rail 202, the movable convex block at the rear end of the sliding block shrinkage rod 301 is clamped in the through hole 203, so as to fix the angular position of the first supporting rod 302, at this time, the first supporting rod 302 and the second supporting rod 304 are unfolded, the first rotating cap 307 is rotated, so that the first threaded rotating shaft 306 and the first nut 308 are in threaded connection, the first groove of the plastic clamping supporting rod 305 clamps the lower ends of the first supporting rod 302 and the second supporting rod 304, so as to fix the integral angular position of the upper end of the plastic clamping supporting rod 305, avoid the integral inclination of the upper end of the plastic clamping supporting rod 305, then the angle between the first supporting leg 312 and the second supporting leg 313 is adjusted, the second rotating cap 310 is screwed, so that the second threaded rotating shaft 309 and the second nut 311 are in threaded connection, drive plasticity and press from both sides tight first supporting legs 312 of bracing piece 305 second groove and second supporting legs 313 to strengthen stability, can fold first supporting legs 302 after the use, second supporting legs 304, plasticity press from both sides tight bracing piece 305, first supporting legs 312 and second supporting legs 313, so that carry, this device is convenient for fold the shrink and is carried, during the use, can expand and support the painting, and can realize the regulation of multi-angle, it is nimble convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a portable drawing device for green architectural design, includes mainboard (1), its characterized in that: the front end of the main board (1) is provided with a supporting board mechanism (2), the supporting board mechanism (2) comprises a side board (201), a sliding rail (202) and a through hole (203), the front end of the main board (1) is provided with the side board (201), the sliding rail (202) is arranged inside the side board (201), the rear end of the sliding rail (202) is provided with the through hole (203), the lower end of the supporting board mechanism (2) is provided with a supporting frame structure (3), the supporting frame structure (3) comprises a sliding block contraction rod (301), a first supporting rod (302), a rotating shaft column (303), a second supporting rod (304), a plasticity clamping supporting rod (305), a first threaded rotating shaft (306), a first rotating cap (307), a first nut (308), a second threaded rotating shaft (309), a second rotating cap (310), a second nut (311), a first supporting leg (312) and a second supporting leg (313), a sliding block contraction rod (301) is arranged at one end inside the sliding rail (202), a first support rod (302) is arranged at the front end of the sliding block contraction rod (301), a rotating shaft column (303) is arranged at one end, close to the front end, of the side plate (201), a second support rod (304) is arranged at the lower end of the outer surface of the rotating shaft column (303), a plastic clamping support rod (305) is arranged at the lower ends of the first support rod (302) and the second support rod (304), a first threaded rotating shaft (306) is arranged at the hinged position of the upper end of the plastic clamping support rod (305) and the first support rod (302) and the second support rod (304), a first rotating cap (307) is arranged at the rear end of the first threaded rotating shaft (306), a first nut (308) is arranged at the outer side, close to the first threaded rotating shaft (306), of the front end of the plastic clamping support rod (305), and a first support leg (312) is arranged at the lower end of the plastic clamping support rod (305), the rear end of first supporting leg (312) is provided with second supporting leg (313), the articulated department of the lower extreme of the tight bracing piece of plasticity (305) and first supporting leg (312) and second supporting leg (313) is provided with second screw thread pivot (309), the rear end of second screw thread pivot (309) is provided with the second and changes cap (310), the outside that the front end of the tight bracing piece of plasticity (305) is close to second screw thread pivot (309) is provided with second nut (311).
2. The portable drawing device for green architectural design according to claim 1, wherein: the rear end of the side plate (201) is fixedly connected with the front end of the main plate (1), the sliding rail (202) is arranged in the side plate (201), and the through hole (203) is arranged at the rear end of the sliding rail (202).
3. The portable drawing device for green architectural design according to claim 1, wherein: the outer surface of the sliding block contraction rod (301) is in sliding connection with the inner surface of the sliding rail (202), a movable convex block is arranged at the rear end of the sliding block contraction rod (301), the outer surface of the movable convex block is movably connected with the inner surface of the through hole (203), the front end of the sliding block contraction rod (301) is fixedly connected with the rear end of the first supporting rod (302), and the rotating shaft column (303) is arranged at the front end of the side plate (201) and close to the other end.
4. The portable drawing device for green architectural design according to claim 1, wherein: the surface lower extreme of pivot post (303) is provided with second bracing piece (304), second bracing piece (304) are connected through rotating between pivot post (303) and curb plate (201), the plasticity presss from both sides tight bracing piece (305) and installs the lower extreme at first bracing piece (302) and second bracing piece (304), the upper end that the plasticity pressed from both sides tight bracing piece (305) is provided with first groove, the rear end swing joint in first bracing piece (302) and first groove, the front end of second bracing piece (304) and the front end swing joint in first groove, swing joint between the lower extreme of first bracing piece (302) and the lower extreme of second bracing piece (304).
5. The portable drawing device for green architectural design according to claim 1, wherein: the first thread rotating shaft (306) penetrates through the front end and the rear end of a first groove of the first supporting rod (302), the second supporting rod (304) and the plastic clamping supporting rod (305), the outer surface of the first thread rotating shaft (306) is rotatably connected with the penetrating surface of the first groove of the first supporting rod (302), the second supporting rod (304) and the plastic clamping supporting rod (305), the first rotating cap (307) is fixedly arranged at the rear end of the first thread rotating shaft (306), the first nut (308) is fixedly arranged at the outer side, close to the first thread rotating shaft (306), of the front end of the plastic clamping supporting rod (305), the inner surface of the first nut (308) is in threaded connection with the outer surface of the first thread rotating shaft (306), the lower end of the plastic clamping supporting rod (305) is provided with a second groove, the front end of the first supporting foot (312) is movably connected with the front end of the second groove, the rear end of the first supporting leg (312) is movably connected with the front end of the second supporting leg (313).
6. The portable drawing device for green architectural design according to claim 1, wherein: the rear end of the second supporting leg (313) is movably connected with the rear end of the second groove, the second thread rotating shaft (309) penetrates through the second groove of the plastic clamping supporting rod (305) and the front and rear ends of the first supporting leg (312) and the second supporting leg (313), the outer surface of the second thread rotating shaft (309) is rotatably connected with the penetrating surface of the second groove of the first supporting leg (312), the second supporting leg (313) and the plastic clamping supporting rod (305), the second rotating cap (310) is fixedly arranged at the rear end of the second thread rotating shaft (309), the second nut (311) is fixedly arranged at the outer side, close to the second thread rotating shaft (309), of the front end of the plastic clamping supporting rod (305), the inner surface of the second nut (311) is in threaded connection with the outer surface of the second thread rotating shaft (309), and the supporting plate mechanism (2) and the supporting frame structure (3) are both provided with two groups, the through holes (203) are provided with eleven groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022717533.5U CN213757176U (en) | 2020-11-23 | 2020-11-23 | Portable drawing device for green architectural design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022717533.5U CN213757176U (en) | 2020-11-23 | 2020-11-23 | Portable drawing device for green architectural design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213757176U true CN213757176U (en) | 2021-07-23 |
Family
ID=76880325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022717533.5U Expired - Fee Related CN213757176U (en) | 2020-11-23 | 2020-11-23 | Portable drawing device for green architectural design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213757176U (en) |
-
2020
- 2020-11-23 CN CN202022717533.5U patent/CN213757176U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |