CN211608797U - Engineering cost expandes fixing device with drawing - Google Patents
Engineering cost expandes fixing device with drawing Download PDFInfo
- Publication number
- CN211608797U CN211608797U CN201922441433.1U CN201922441433U CN211608797U CN 211608797 U CN211608797 U CN 211608797U CN 201922441433 U CN201922441433 U CN 201922441433U CN 211608797 U CN211608797 U CN 211608797U
- Authority
- CN
- China
- Prior art keywords
- pipe
- fixed
- movable
- white board
- fixed pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The drawing unfolding fixing device for the engineering cost comprises fixed support legs, movable support legs, a front fixed pipe, a rear fixed pipe, a fixed connecting pipe, a front movable pipe and a rear movable pipe, wherein the front movable pipe is slidably inserted into the front fixed pipe, the rear movable pipe is slidably inserted into the rear fixed pipe, the top of the front fixed pipe is rotatably connected with an external magnetic white board, the inside of the external magnetic white board is slidably connected with an internal magnetic white board, and the right end part of the lower side edge of the internal magnetic white board is hinged to the top of the front movable pipe through a second hinge; a frame is horizontally arranged between the lower parts of the four fixed supporting legs, and a telescopic sliding supporting mechanism is arranged between the rear side surface of the external magnetic whiteboard and the frame. The utility model discloses the principle science, compact structure, the operation of being convenient for, convenient to use not only can open and put a picture, adopts pull formula structure to expand simultaneously moreover and places two engineering drawings, has made things convenient for cost teacher's use, when not using, collapsible again, and the volume diminishes, and can use as the desktop, and the function is more various.
Description
Technical Field
The utility model belongs to the technical field of engineering cost, concretely relates to drawing expandes fixing device for engineering cost.
Background
The construction cost needs a construction cost engineer to carry out cost budget according to construction drawings, the breadth of the construction drawings is generally large, the construction drawings cannot be completely unfolded and placed in front of a computer desk display, the construction cost engineer operates a computer and checks the drawings, and both hands need to frequently switch between the drawings and a keyboard; also have when looking over the drawing and generally cleared up the article on the desktop earlier, pave the drawing on the desktop again, cost person carries out the cost budget on the computer, stands to bow before the drawing and looks over the drawing, sits again after looking over the drawing and carries out the computer operation, looks over a drawing and needs numerous operations such as standing, bowing, sit down, this kind of operation mode is fairly loaded down with trivial details, consumes more physical power moreover, influences work efficiency. In addition, many times need look over two drawings simultaneously, just can not pave simultaneously on a desktop like this, and the cost teacher just paves the subaerial of office with the drawing this moment, squats and looks over two drawings, just so inconvenient more.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a convenient operation, intensity of labour is little, can improve work efficiency's drawing for engineering cost expandes fixing device greatly.
In order to solve the technical problem, the utility model adopts the following technical scheme: the drawing unfolding fixing device for the engineering cost comprises four fixed supporting legs and two movable supporting legs which are vertically arranged, wherein the vertical projection of the four fixed supporting legs is positioned on four vertexes of a rectangle, a front fixed pipe is arranged between the upper ends of the two fixed supporting legs on the front side, a rear fixed pipe is arranged between the upper ends of the two fixed supporting legs on the rear side, and a fixed connecting pipe is arranged between the rear fixed pipe and the left end of the front fixed pipe; the two movable supporting legs are arranged at intervals in the front and the back, the upper end of the movable supporting leg at the front side is fixedly connected with a front movable pipe, the upper end of the movable supporting leg at the back side is fixedly connected with a back movable pipe, a front fixed pipe and a back fixed pipe, the front movable pipe and the rear movable pipe are horizontally arranged along the left-right direction, the left end of the front movable pipe is inserted into the front fixed pipe in a sliding mode through the right end opening of the front fixed pipe, the left end of the rear movable pipe is inserted into the rear fixed pipe in a sliding mode through the right end opening of the rear fixed pipe, the top of the front fixed pipe is rotatably connected with a rectangular external magnetic white board through a first hinge, the external magnetic white board is of a hollow double-layer structure, the left side edge, the upper side edge and the lower side edge of the double-layer structure are connected and sealed through strip-shaped boards, the inner portion of the external magnetic white board is connected with an internal magnetic white board in a sliding mode, the right side of the internal magnetic white board extends out of the external magnetic white board, and the right end portion; a frame is horizontally arranged between the lower parts of the four fixed supporting legs, and a telescopic sliding supporting mechanism is arranged between the rear side surface of the external magnetic whiteboard and the frame.
The telescopic sliding support mechanism comprises a guide rod, a guide sleeve, a guide pipe and a telescopic rod, wherein the guide rod is arranged in a manner of inclining from front to back, an upper connecting plate is fixedly arranged at the upper end of the guide rod, a lower connecting plate is fixedly arranged at the lower end of the guide rod, the upper connecting plate is connected to the bottom of a fixed connecting pipe through an upper bolt, the lower connecting plate is connected to the top of a frame through a lower bolt, the guide sleeve is arranged on the guide rod in a sliding manner, the lower end of the guide pipe is connected with the front side part of the guide sleeve through a lower hinge, the upper end of the telescopic rod is hinged to the upper part of the rear side surface of the external magnetic white board through an upper hinge, the lower part of the telescopic rod is inserted into the guide pipe through the upper port of the guide pipe in a sliding manner, the upper end of the guide pipe is in threaded connection with a first jack, and a second hand wheel is arranged at the outer end of the second jackscrew.
The lower ends of the four fixed supporting legs and the two movable supporting legs are provided with universal wheels.
The penetrating through-hole of right-hand member has been seted up along controlling the horizontal direction to the right part of preceding fixed pipe rear side and back fixed pipe front side, is equipped with the connecting rod that passes left side and right side through-hole between preceding movable tube and the back movable tube, is equipped with the horizontal pole between two movable leg, and connecting rod and horizontal pole all set up along the fore-and-aft direction level.
The right end part of the front side of the front fixed pipe is in threaded connection with a third jackscrew horizontally arranged along the left-right direction, the rear end of the third jackscrew is in jacking contact with the front side surface of the front movable pipe, and the front end of the third jackscrew is provided with a third hand wheel; the rear fixed pipe rear side right-hand member portion threaded connection has and sets up the fourth jackscrew along left and right sides direction level, and fourth jackscrew front end and back movable pipe back side roof pressure contact are equipped with the fourth hand wheel in the fourth jackscrew rear end.
The upper surfaces of the connecting rod, the rear fixing pipe and the fixing connecting pipe are all provided with backing plates, and the upper surfaces of the backing plates and the upper surface of the folded first hinge are located on the same horizontal plane.
Adopt above-mentioned technical scheme, the utility model discloses when using, when a drawing is looked over to needs, only need expand the drawing back spread on the external magnetic whiteboard, use a plurality of blank magnetic button to adsorb and make the drawing fix on the external magnetic whiteboard, handheld first hand wheel and second hand wheel, unscrew first jackscrew and second jackscrew, upwards take out the telescopic link from the pipe, drive guide pin bushing along guide arm rebound simultaneously, adjust the inclination of external magnetic whiteboard after, screw up first hand wheel and second hand wheel. Then will the utility model discloses remove the desk next door that the cost engineer carries out the budget operation, the height that highly is less than the display on the desk slightly of drawing is more convenient when twisting the head about the cost engineer and seeing the display like this. When two pictures need to be checked simultaneously, the front movable pipe and the rear movable pipe are pulled rightwards, the inner magnetic white board is pulled rightwards inside the outer magnetic white board at the same time until the length of the previous picture can be paved, and then the third hand wheel and the fourth hand wheel are screwed. And paving the second drawing on the internal magnetic white board, and adsorbing the second drawing on the internal magnetic white board by using a plurality of white board magnetic buttons so as to fix the second drawing on the internal magnetic white board.
When the utility model discloses when not using, with preceding movable tube and back movable tube push into preceding fixed tube and after-fixing respectively left in, inside the interior magnetic whiteboard pushed outer magnetic whiteboard, then screwed up third hand wheel and fourth hand wheel. And unscrewing the first hand wheel and the second hand wheel, retracting the telescopic rod into the guide pipe, simultaneously driving the guide sleeve to move downwards along the guide rod, enabling the inner magnetic white board to rotate backwards and downwards along with the fulcrum of the second hinge, enabling the outer magnetic white board to rotate backwards and downwards along with the fulcrum of the first hinge until the lower surface of the outer magnetic white board is in contact with the connecting rod, the rear fixing pipe and the base plate on the upper surface of the fixing connecting pipe, and screwing the first hand wheel and the second hand wheel. The external magnetic whiteboard can be used as a desktop for placing some articles or tools.
The utility model provides a backing plate and first hinge keep the level, play the effect of multiple spot support external magnetic white board.
The lower extreme of four fixed leg and two movable leg all is equipped with the universal wheel, and is convenient like this the utility model discloses remove in the office, movable tube, back movable tube and two movable leg before the push-and-pull of also being convenient for.
The telescopic sliding support mechanism adopts the telescopic rod to stretch in the guide pipe and the guide sleeve to slide on the guide rod, so that the inclination angles of the external magnetic white board and the internal magnetic white board can be conveniently adjusted, and the telescopic sliding support mechanism is suitable for manufacturing workers with different heights or sitting postures, is fixed by adopting a jackscrew and is simple and convenient to operate.
The connecting rod is connected preceding movable tube and back movable tube, plays the effect that the integrative left-right removal of preceding movable tube and back movable tube was controlled, also plays to inject before fixed tube and after fix between the tube right-hand member apart from, plays the effect of fixed tube and the fixed tube right-hand member stability of back before the reinforcing.
To sum up, the utility model discloses the principle science, compact structure, the operation of being convenient for, convenient to use not only can open and put a picture, adopts pull formula structure to expand simultaneously moreover and places two engineering drawings, has made things convenient for cost teacher's use, when not using, collapsible again, and the volume diminishes, and can use as the desktop, and the function is more various.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a top view of the front and rear mounting tubes of FIG. 1;
fig. 4 is a cross-sectional view B-B of fig. 4.
Detailed Description
As shown in fig. 1-4, the drawing unfolding fixing device for engineering cost of the present invention comprises four fixed legs 1 and two movable legs 2, which are all vertically disposed, wherein the vertical projection of the four fixed legs 1 is located at four vertexes of a rectangle, a front fixed tube 3 is disposed between the upper ends of the two fixed legs 1 at the front side, a rear fixed tube 4 is disposed between the upper ends of the two fixed legs 1 at the rear side, and a fixed connection tube 5 is disposed between the rear fixed tube 4 and the left end of the front fixed tube 3; the two movable supporting legs 2 are arranged at intervals front and back, the upper ends of the movable supporting legs 2 at the front side are fixedly connected with a front movable tube 6, the upper ends of the movable supporting legs 2 at the back side are fixedly connected with a back movable tube 7, the front fixed tube 3, the back fixed tube 4, the front movable tube 6 and the back movable tube 7 are horizontally arranged along the left-right direction, the front fixed tube 3, the back fixed tube 4, the front movable tube 6 and the back movable tube 7 are square tubes, the left end of the front movable tube 6 is slidably inserted into the front fixed tube 3 through the right port of the front fixed tube 3, the left end of the back movable tube 7 is slidably inserted into the back fixed tube 4 through the right port of the back fixed tube 4, the top of the front fixed tube 3 is rotatably connected with a rectangular external magnetic white board 9 through a first hinge 8, the external magnetic white board 9 is of a hollow double-layer structure, the left side edge, the upper side edge and the lower side edge of the double-layer structure are connected and sealed through external, the right side of the internal magnetic white plate 11 extends out of the external magnetic white plate 9, and the right end part of the lower side of the internal magnetic white plate 11 is hinged to the top of the front movable tube 6 through a second hinge 12; a frame 13 is horizontally arranged between the lower parts of the four fixed supporting legs 1, and a telescopic sliding supporting mechanism is arranged between the rear side surface of the external magnetic white board 9 and the frame 13.
The telescopic sliding support mechanism comprises a guide rod 14, a guide sleeve 15, a guide tube 16 and a telescopic rod 17, wherein the guide rod 14 is arranged in a manner of inclining from front to back, an upper connecting plate 19 is fixedly arranged at the upper end of the guide rod 14, a lower connecting plate 18 is fixedly arranged at the lower end of the guide rod 14, the upper connecting plate 19 is connected to the bottom of the fixed connecting tube 5 through an upper bolt, the lower connecting plate 18 is connected to the top of the frame 13 through a lower bolt, the guide sleeve 15 is arranged on the guide rod 14 in a sliding manner, the lower end of the guide tube 16 is connected with the front side part of the guide sleeve 15 through a lower hinge, the upper end of the telescopic rod 17 is hinged to the upper part of the rear side surface of the external magnetic white board 9 through an upper hinge, the lower part of the telescopic rod 17 is inserted into the guide tube 16 in a sliding manner through the upper port of the guide tube 16, the upper end part of the guide tube 16 is, the inner end of the second jackscrew is in jacking contact with the outer wall of the guide rod 14, and the outer end of the second jackscrew is provided with a second hand wheel 21.
The lower ends of the four fixed supporting legs 1 and the two movable supporting legs 2 are provided with universal wheels 22.
The penetrating through-hole 23 of right-hand member has been seted up along controlling the horizontal direction to the right part of preceding fixed pipe 3 rear side and the 4 front sides of back fixed pipe, is equipped with the connecting rod 24 that passes left side and right side through-hole 23 between preceding movable tube 6 and the back movable tube 7, is equipped with horizontal pole 25 between two movable landing legs 2, and connecting rod 24 and horizontal pole 25 all set up along the fore-and-aft direction level.
The right end part of the front side of the front fixed pipe 3 is in threaded connection with a third jackscrew horizontally arranged along the left-right direction, the rear end of the third jackscrew is in jacking contact with the front side surface of the front movable pipe 6, and the front end of the third jackscrew is provided with a third hand wheel 26; the right end part of the rear side of the rear fixed pipe 4 is in threaded connection with a fourth jackscrew horizontally arranged along the left-right direction, the front end of the fourth jackscrew is in jacking contact with the rear side surface of the rear movable pipe 7, and the rear end of the fourth jackscrew is provided with a fourth hand wheel 27.
The upper surfaces of the connecting rod 24, the rear fixing tube 4 and the fixing connecting tube 5 are all provided with backing plates 28, and the upper surfaces of the backing plates 28 and the upper surfaces of the folded first hinges 8 are located on the same horizontal plane.
The utility model discloses when using, when a drawing is looked over to needs, only need spread the drawing after the drawing expandes on the magnetic whiteboard 9, use a plurality of blank magnetism to detain and adsorb and make the drawing fix on the magnetic whiteboard 9, handheld first hand wheel 20 and second hand wheel 21, unscrew first jackscrew and second jackscrew, upwards take telescopic link 17 out from pipe 16, drive guide pin bushing 15 simultaneously and upwards remove along guide arm 14, adjust the inclination of magnetic whiteboard 9 after, screw up first hand wheel 20 and second hand wheel 21. Then will the utility model discloses remove the desk next door that the cost engineer carries out the budget operation, the height that highly is less than the display on the desk slightly of drawing is more convenient when twisting the head about the cost engineer and seeing the display like this. When two pictures need to be checked simultaneously, the front movable pipe 6 and the rear movable pipe 7 are pulled rightwards, the inner magnetic white board 11 is pulled rightwards inside the outer magnetic white board 9 at the same time, and the third hand wheel 26 and the fourth hand wheel 27 are screwed down until the length of one picture can be paved. And paving a second piece of drawing on the internal magnetic white board 11, and adsorbing the second piece of drawing on the internal magnetic white board 11 by using a plurality of white board magnetic buttons so as to fix the second piece of drawing on the internal magnetic white board 11.
When the utility model discloses when not using, push preceding movable tube 6 and back movable tube 7 left respectively before fixed tube 3 and after fixed tube 4 in, inside magnetic whiteboard 11 pushed external magnetic whiteboard 9, then screwed up third hand wheel 26 and fourth hand wheel 27. And unscrewing the first hand wheel 20 and the second hand wheel 21, retracting the telescopic rod 17 into the guide pipe 16, simultaneously driving the guide sleeve 15 to move downwards along the guide rod 14, enabling the inner magnetic white board 11 to rotate backwards and downwards at the fulcrum of the second hinge 12, enabling the outer magnetic white board 9 to rotate backwards and downwards at the fulcrum of the first hinge 8, and screwing the first hand wheel 20 and the second hand wheel 21 until the lower surface of the outer magnetic white board 9 is in contact with the connecting rod 24, the rear fixing pipe 4 and the backing plate 28 on the upper surface of the fixing connecting pipe 5. The external magnetic whiteboard 9 can now be used as a table for placing objects or tools.
The utility model provides a backing plate 28 and first hinge 8 keep the level, play the effect of multiple spot support external magnetic whiteboard 9.
The lower extreme of four fixed leg 1 and two movable leg 2 all is equipped with universal wheel 22, and is convenient like this the utility model discloses remove in the office, the preceding movable tube 6 of the push-and-pull of also being convenient for, back movable tube 7 and two movable leg 2.
The telescopic sliding support mechanism adopts the telescopic rod 17 to stretch in the guide pipe 16 and the guide sleeve 15 to slide on the guide rod 14, so that the inclination angles of the external magnetic white board 9 and the internal magnetic white board 11 can be conveniently adjusted, and the telescopic sliding support mechanism is suitable for manufacturers with different heights or sitting postures, is fixed by adopting a jackscrew and is simple and convenient to operate.
Connecting rod 24 connects preceding movable tube 6 and back movable tube 7, plays the effect that preceding movable tube 6 and back movable tube 7 an organic whole removed about, also plays to inject before fixed tube 3 and after fixed between 4 right-hand members apart from, plays the effect of fixed tube 3 before the reinforcing and after fixed tube 4 right-hand member stability.
The external magnetic whiteboard 9, the internal magnetic whiteboard 11 and the whiteboard magnetic buckle are all the existing mature technologies and can be purchased in the market.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (6)
1. Engineering cost expandes fixing device with drawing, its characterized in that: the four-leg-type foldable support leg comprises four fixed legs and two movable legs which are vertically arranged, wherein the vertical projection of the four fixed legs is positioned on four vertexes of a rectangle, a front fixed pipe is arranged between the upper ends of the two fixed legs at the front side, a rear fixed pipe is arranged between the upper ends of the two fixed legs at the rear side, and a fixed connecting pipe is arranged between the rear fixed pipe and the left end of the front fixed pipe; the two movable supporting legs are arranged at intervals in the front and the back, the upper end of the movable supporting leg at the front side is fixedly connected with a front movable pipe, the upper end of the movable supporting leg at the back side is fixedly connected with a back movable pipe, a front fixed pipe and a back fixed pipe, the front movable pipe and the rear movable pipe are horizontally arranged along the left-right direction, the left end of the front movable pipe is inserted into the front fixed pipe in a sliding mode through the right end opening of the front fixed pipe, the left end of the rear movable pipe is inserted into the rear fixed pipe in a sliding mode through the right end opening of the rear fixed pipe, the top of the front fixed pipe is rotatably connected with a rectangular external magnetic white board through a first hinge, the external magnetic white board is of a hollow double-layer structure, the left side edge, the upper side edge and the lower side edge of the double-layer structure are connected and sealed through strip-shaped boards, the inner portion of the external magnetic white board is connected with an internal magnetic white board in a sliding mode, the right side of the internal magnetic white board extends out of the external magnetic white board, and the right end portion; a frame is horizontally arranged between the lower parts of the four fixed supporting legs, and a telescopic sliding supporting mechanism is arranged between the rear side surface of the external magnetic whiteboard and the frame.
2. The construction cost drawing unfolding fixing device according to claim 1, characterized in that: the telescopic sliding support mechanism comprises a guide rod, a guide sleeve, a guide pipe and a telescopic rod, wherein the guide rod is arranged in a manner of inclining from front to back, an upper connecting plate is fixedly arranged at the upper end of the guide rod, a lower connecting plate is fixedly arranged at the lower end of the guide rod, the upper connecting plate is connected to the bottom of a fixed connecting pipe through an upper bolt, the lower connecting plate is connected to the top of a frame through a lower bolt, the guide sleeve is arranged on the guide rod in a sliding manner, the lower end of the guide pipe is connected with the front side part of the guide sleeve through a lower hinge, the upper end of the telescopic rod is hinged to the upper part of the rear side surface of the external magnetic white board through an upper hinge, the lower part of the telescopic rod is inserted into the guide pipe through the upper port of the guide pipe in a sliding manner, the upper end of the guide pipe is in threaded connection with a first jack, and a second hand wheel is arranged at the outer end of the second jackscrew.
3. The construction cost drawing unfolding fixing device according to claim 1 or 2, characterized in that: the lower ends of the four fixed supporting legs and the two movable supporting legs are provided with universal wheels.
4. The construction cost drawing unfolding fixing device according to claim 1 or 2, characterized in that: the penetrating through-hole of right-hand member has been seted up along controlling the horizontal direction to the right part of preceding fixed pipe rear side and back fixed pipe front side, is equipped with the connecting rod that passes left side and right side through-hole between preceding movable tube and the back movable tube, is equipped with the horizontal pole between two movable leg, and connecting rod and horizontal pole all set up along the fore-and-aft direction level.
5. The construction cost drawing unfolding fixing device according to claim 1 or 2, characterized in that: the right end part of the front side of the front fixed pipe is in threaded connection with a third jackscrew horizontally arranged along the left-right direction, the rear end of the third jackscrew is in jacking contact with the front side surface of the front movable pipe, and the front end of the third jackscrew is provided with a third hand wheel; the rear fixed pipe rear side right-hand member portion threaded connection has and sets up the fourth jackscrew along left and right sides direction level, and fourth jackscrew front end and back movable pipe back side roof pressure contact are equipped with the fourth hand wheel in the fourth jackscrew rear end.
6. The construction cost drawing unfolding fixing device according to claim 4, characterized in that: the upper surfaces of the connecting rod, the rear fixing pipe and the fixing connecting pipe are all provided with backing plates, and the upper surfaces of the backing plates and the upper surface of the folded first hinge are located on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441433.1U CN211608797U (en) | 2019-12-30 | 2019-12-30 | Engineering cost expandes fixing device with drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441433.1U CN211608797U (en) | 2019-12-30 | 2019-12-30 | Engineering cost expandes fixing device with drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211608797U true CN211608797U (en) | 2020-10-02 |
Family
ID=72633855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922441433.1U Expired - Fee Related CN211608797U (en) | 2019-12-30 | 2019-12-30 | Engineering cost expandes fixing device with drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211608797U (en) |
-
2019
- 2019-12-30 CN CN201922441433.1U patent/CN211608797U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10070719B2 (en) | Stand for supporting a computing device | |
| CN209185903U (en) | Multi-functional deformation fine arts drawing board bracket | |
| CN211608797U (en) | Engineering cost expandes fixing device with drawing | |
| CN210747929U (en) | Drawing table | |
| CN115005598B (en) | Multifunctional art workbench | |
| CN210144095U (en) | Foldable table | |
| CN206786425U (en) | A kind of easy-to-dismount intelligent lamp lampshade | |
| CN215423321U (en) | Lifting table with replaceable table top plate | |
| CN211065485U (en) | Multifunctional writing desk | |
| CN104002610A (en) | Portable sketching easel capable of being used in sitting and standing mode | |
| CN210124432U (en) | Portable architecture drawing desk of painting from life | |
| CN201958147U (en) | Portable multifunctional drawing desk | |
| CN219325674U (en) | Multifunctional bracket type writing board | |
| CN219125688U (en) | Desk with foldable supporting legs | |
| CN214928640U (en) | Animation design hand-drawing copying device convenient for drawing paper fixation | |
| CN204950096U (en) | Multi -functional drawing desk is used in design | |
| CN216043480U (en) | Supplementary ladder that interior decoration used | |
| CN220694649U (en) | Table convenient to unfold | |
| CN216602043U (en) | Portable drawing frame for art design | |
| CN210300063U (en) | Convertible two-sided table tennis difficulty degree exercise table | |
| CN215335595U (en) | Folding lifting base of LED display screen | |
| CN109602194A (en) | New culture artistic exchange drawing board | |
| CN214216010U (en) | Sharing bicycle is collapsible to use basket | |
| CN213768125U (en) | Fine arts drawing board | |
| CN212061571U (en) | Interactive teaching device of college english |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 Termination date: 20211230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |