CN210777688U - Engineering cost show board with adjustable many boards equipment - Google Patents
Engineering cost show board with adjustable many boards equipment Download PDFInfo
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- CN210777688U CN210777688U CN201921851951.4U CN201921851951U CN210777688U CN 210777688 U CN210777688 U CN 210777688U CN 201921851951 U CN201921851951 U CN 201921851951U CN 210777688 U CN210777688 U CN 210777688U
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Abstract
The utility model relates to an engineering cost show board with adjustable many boards equipment belongs to engineering cost apparatus technical field, and it includes the support and sets up the board on the support, the below that lies in the board on the support is provided with the backup pad, the length direction of backup pad is unanimous with the length direction of board, be provided with the drawing plywood in the backup pad, the length direction of drawing plywood is unanimous with the length direction of backup pad, be provided with the slide bar in the backup pad, the length direction of slide bar is unanimous with the length direction of backup pad, the bottom that the drawing plywood is close to the lateral wall is provided with the slide cartridge, slide cartridge sliding sleeve establishes on the slide bar, be provided with the support piece that carries out the drawing plywood and support when drawing plywood part roll-off support on the drawing. The utility model discloses can increase the usable area of show board, have the advantage that improves the utilization ratio of show board.
Description
Technical Field
The utility model belongs to the technical field of engineering cost apparatus technique and specifically relates to an engineering cost show board with adjustable multiplate equipment is related to.
Background
The construction cost refers to the construction price of a project, and refers to the total sum of all expected or actually required expenses for completing the construction of a project, namely the sum of one-time expenses for the project to carry out the regeneration of fixed assets in a planned way, form corresponding intangible assets and lay down liquidity funds.
In many cases, the data of the project cost budget needs to be discussed or demonstrated internally for the customer, and during the discussion or demonstration, auxiliary discussion or explanation is usually required by means of a display board.
Chinese patent No. CN209183219U proposes an auxiliary display board for engineering cost budget, which comprises an auxiliary display board, a height adjustment assembly disposed below the auxiliary display board, and an angle adjustment assembly disposed below the height adjustment assembly, and has the advantage of conveniently adjusting the height and angle of the auxiliary display board.
However, the above-mentioned prior art has a disadvantage that the area of the auxiliary display board for use is limited during each display process, and when a lot of discussion or engineering drawings need to be displayed, the area of the auxiliary display board is likely to be insufficient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engineering cost show board with adjustable many boards equipment can increase the usable area of show board, has the advantage that improves the utilization ratio of show board.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides an engineering cost show board with adjustable multiplate equipment, includes the support and sets up the board on the support, the below that lies in the board on the support is provided with the backup pad, the length direction of backup pad is unanimous with the length direction of board, be provided with the drawing plywood in the backup pad, the length direction of drawing plywood is unanimous with the length direction of backup pad, be provided with the slide bar in the backup pad, the length direction of slide bar is unanimous with the length direction of backup pad, the bottom that the drawing plywood is close to the lateral wall is provided with the slide cartridge, the slide cartridge slip cap is established on the slide bar, be provided with on the drawing plywood and carry out the support piece that supports with the drawing plywood when picture.
By implementing the technical scheme, when the display board is used, the sliding cylinder arranged on the picture layer plate is sleeved on the sliding rod in a sliding manner, so that the picture layer plate can be pulled out along the length direction of the sliding rod, and then the picture layer plate is fixed by using the supporting piece; after the display board is used, the picture layer board is pushed back, the occupied space of the display board can be reduced, and therefore the display board has the effect of being convenient to store.
Furthermore, the slide bar is a rectangular bar, a rectangular groove is formed in the slide cylinder, and the shape of the rectangular groove is consistent with that of the slide bar.
Implement above-mentioned technical scheme, through setting up the slide bar into the rectangular pole, then set up the rectangular channel unanimous with the shape of rectangular pole in the slide cartridge to make the picture plywood difficult emergence rotation at the removal in-process, have and let the picture plywood can be comparatively steadily along the gliding effect of length direction of slide bar.
Furthermore, the two ends of the slide bar are provided with anti-falling pieces for preventing the slide cylinder from falling off the slide bar.
By implementing the technical scheme, the anti-falling parts are arranged at the two ends of the sliding rod, so that the drawing layer plate can be prevented from falling off from the sliding rod to a certain extent.
Further, the support piece comprises a support rod and a support cylinder, the support rod is located above the support cylinder, the support cylinder is sleeved on the support rod in a sliding mode, a fastening bolt used for fastening the support rod in the support cylinder is arranged on the support cylinder in a penetrating mode through threads, and an anti-skid rubber block is arranged at the ground contact end of the support cylinder.
When the pattern layer plate is pulled out, the abutting bolt is loosened, the supporting cylinder is pulled down until the anti-skid rubber block of the supporting cylinder is tightly attached to the ground, and the abutting bolt is screwed down to tightly abut against the rod wall of the supporting rod after penetrating through the side wall of the supporting cylinder, so that the supporting rod and the supporting cylinder cannot slide relatively in the axial direction; the anti-skidding rubber blocks are arranged at the ground contact end of the supporting cylinder, so that the friction force between the supporting cylinder and the ground can be increased, and the fixing effect on the pattern plate can be enhanced.
Further, the picture layer board includes the bottom plate, fixes the first transparent plate that sets up on the bottom plate and rotates the second transparent plate that sets up on the bottom plate, the position that the second transparent plate is connected with the bottom plate is provided with the torsional spring, the torsional spring has the torsional trend with the second transparent plate to first transparent plate, leave the cavity in the middle of first transparent plate and the second transparent plate, the top of first transparent plate and second transparent plate is provided with the magnet group of inter attraction.
When the technical scheme is implemented, when the display board is used, the second transparent board is unscrewed outwards, a drawing or a report to be displayed is placed, then the second transparent board automatically rotates to the first transparent board under the action of the torsion spring, and finally the second transparent board is tightly attached to the first transparent board under the action of the magnet group; after the use is finished, the second transparent plate is unscrewed outwards, the drawing or the report is taken out of the cavity, and finally the second transparent plate is screwed back again; through the arrangement, the drawing or report can be conveniently loaded and unloaded.
Further, an air cylinder is arranged on the support, a piston cylinder of the air cylinder vertically extends upwards, and a piston rod of the air cylinder is connected with the supporting plate.
When the display board is used, the air cylinder is started, the piston rod of the air cylinder vertically extends upwards, so that the support plate connected to the piston rod of the air cylinder moves upwards until the writing board rises to a proper height; after the display board is used, the air cylinder is started, the piston rod of the air cylinder vertically contracts downwards, and therefore the supporting plate moves downwards, and the effect that the height of the supporting plate can be adjusted is achieved.
Furthermore, the bottom of the support is provided with a self-locking universal wheel.
By implementing the technical scheme, when the display board needs to be used, the self-locking universal wheel is locked, so that the display board can be prevented from sliding during writing to a certain extent; after the display board is used, the self-locking universal wheels are unlocked, so that the display board is convenient to move.
Further, a containing box is arranged below the support plate on the support and is divided into a plurality of cabins.
Implement above-mentioned technical scheme, before using the show board at every turn, will need the data or the instrument that use to place earlier in the containing box, through the containing box that sets up a plurality of cabins, can accomodate data or instrument classification back to have the effect that improves work efficiency.
Furthermore, a fluorescent lamp is arranged at the top end of the writing board, a solar cell panel is arranged at the top end of the fluorescent lamp, and the solar cell panel is electrically connected with the fluorescent lamp.
Implement above-mentioned technical scheme, if need use the show board on the workplace, set up the fluorescent lamp and can provide light to the board when light is not enough to be provided with solar cell panel on the board, have solar cell panel as the power of fluorescent lamp, thereby no longer need in addition with other power supply points of electric wire connection, have the effect of conveniently removing the show board.
Furthermore, the side wall of the writing board is rotatably connected with a cork board.
Implement above-mentioned technical scheme, be provided with the cork board on the board, can further improve the usable area of show board, and the cork board rotates to be connected on the board, has the effect of being convenient for to accomodate.
To sum up, the utility model discloses following beneficial effect has:
the picture layer plate can be slid to be pulled out when the picture layer plate is used, so that the usable area of the display board can be increased, the utilization rate of the display board can be improved, and the picture layer plate can be pushed back after the display board is used, so that the occupied space of the display board can be reduced, and the effect of convenient storage can be achieved;
the drawing layer board is divided into a first transparent board which is fixedly arranged and a second transparent board which is rotatably arranged, and the drawing layer board is provided with magnet groups which attract each other, so that the drawing layer board has the effect of conveniently loading and taking out drawings or reports;
thirdly, arranging an air cylinder on the support, adjusting the height of the support plate by utilizing the air cylinder, and having the effect of adjusting the height of the support plate, so that the writing board and the picture layer plate can be adjusted to be proper in height;
fourthly, through setting up the containing box that divide into a plurality of cabins, can accomodate after classifying with required data or instrument to have the effect that improves work efficiency.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present invention when not in use;
FIG. 2 is a schematic structural view of an embodiment of the present invention in use;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the embodiment of the present invention for showing the opening and closing of the drawing board.
Reference numerals: 1. a support; 11. a support plate; 111. a slide bar; 1111. a drop-off prevention member; 112. a slide cylinder; 1121. a rectangular groove; 12. a writing board; 121. a fluorescent lamp; 122. a solar panel; 123. a cork plate; 13. drawing the layer plate; 131. a support member; 1311. a support bar; 1312. a support cylinder; 1313. tightly abutting against the bolt; 1314. an anti-slip rubber block; 132. a base plate; 1321. a first transparent plate; 1322. a second transparent plate; 1323. a torsion spring; 1324. a cavity; 1325. a magnet group; 14. a cylinder; 15. a self-locking universal wheel; 16. a storage box.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a multi-board assembled adjustable project cost display board comprises a support 1 and a writing board 12 arranged on the support 1, a support plate 11 is arranged on the support 1 below the writing board 12, the length direction of the support plate 11 is consistent with the length direction of the writing board 12, a drawing board 13 is arranged on the support plate 11, the length direction of the drawing plate 13 is consistent with the length direction of the support plate 11, and referring to fig. 3, the support plate 11 is provided with a slide rod 111, the slide rod 111 is a rectangular rod, the length direction of the slide rod 111 is consistent with the length direction of the support plate 11, a slide cylinder 112 is arranged at the bottom end of the layer plate 13 close to the side wall, a rectangular groove 1121 is formed in the slide cylinder 112, the shape of the rectangular groove 1121 is consistent with that of the slide rod 111, the slide cylinder 112 is slidably sleeved on the slide rod 111, and anti-falling parts 1111 for preventing the slide cylinder 112 from falling off the slide rod 111 are arranged at two ends of the slide rod 111; in this embodiment, the area of the end surface of retaining member 1111 is larger than the area of the end surface of slide bar 111.
When the display board is used, the picture layer board 13 is pulled out of the support plate 11 along the length direction of the slide rod 111, and the slide cylinder 112 arranged at the bottom end of the picture layer board 13 slides along the slide rod 111 until the slide cylinder 112 is abutted to the anti-falling piece 1111 arranged on the slide rod 111; after the display board is used, the picture layer board 13 can be continuously pushed back into the supporting board, and through the arrangement, the usable area of the display board can be increased, the utilization rate of the display board is improved, the occupied space of the display board is reduced, and the display board is convenient to store; the anti-falling piece 1111 can prevent the drawing layer plate 13 from falling off from the sliding rod 111 to a certain extent, the sliding rod 111 is a rectangular rod, and the sliding cylinder 112 is provided with a rectangular groove 1121 with the same shape as the rectangular rod, so that the drawing layer plate 13 is not easy to rotate in the moving process, and the drawing layer plate 13 can stably slide along the length direction of the sliding rod 111.
As shown in fig. 1 and fig. 2, a support 131 is disposed on the coating plate 13, the support 131 can support the coating plate 13 when the coating plate 13 partially slides out of the bracket 1, the support 131 includes a support rod 1311 and a support cylinder 1312, the support rod 1311 is located above the support cylinder 1312, and the support cylinder 1312 is slidably sleeved on the support rod 1311; in this embodiment, the supporting cylinder 1312 is a hollow cylinder, the length of the supporting cylinder 1312 is greater than that of the supporting rod 1311, so that the supporting rod 1311 can completely enter the supporting cylinder 1312, a tightening bolt 1313 is threaded through a side wall of the supporting cylinder 1312 close to one end of the supporting rod 1311, the supporting rod 1311 can be tightened in the supporting cylinder 1312 by the tightening bolt 1313, and an anti-slip rubber block 1314 is disposed at a ground contact end of the supporting cylinder 1312.
When drawing the drawing plate 13 outward, first unscrewing the resisting bolt 1313, pulling down the support tube 1312 until the anti-slip rubber block 1314 collides with the ground, and then screwing the resisting bolt 1313, thereby having an effect of improving the stability of the drawing plate 13 in use; after the display board is used, the fastening bolts 1313 are unscrewed, the supporting cylinders 1312 are pushed upwards until the supporting rods 1311 completely enter the supporting cylinders 1312, and the fastening bolts 1313 are screwed again, so that the movement of the display board is not influenced; the anti-slip rubber 1314 is arranged at the ground contacting end of the supporting cylinder 1312, so that the friction force between the supporting cylinder 1312 and the ground can be increased, and the fixing effect on the picture layer plate 13 can be enhanced.
As shown in fig. 4, the picture layer 13 includes a bottom plate 132, a first transparent plate 1321 fixedly disposed on the bottom plate 132, and a second transparent plate 1322 rotatably disposed on the bottom plate 132, a torsion spring 1323 is disposed at a position where the second transparent plate 1322 is connected to the bottom plate 132, the torsion spring 1323 has a tendency of twisting the second transparent plate 1322 toward the first transparent plate 1321, a cavity 1324 is left between the first transparent plate 1321 and the second transparent plate 1322, and a magnet set 1325 attracting each other is disposed at top ends of the first transparent plate 1321 and the second transparent plate 1322, in this embodiment, the magnet set 1325 is composed of two magnets with opposite magnetism, the two magnets are disposed on the first transparent plate 1321 and the second transparent plate 1322, and the first transparent plate 1321 and the second transparent plate 1322 are both made of transparent glass plates capable of writing.
When the display board is used, the second transparent board 1322 is unscrewed outwards, a drawing or a report to be displayed is put in, the second transparent board 1322 is automatically screwed to the first transparent board 1321 under the action of the torsion spring 1323, and finally the second transparent board 1322 is tightly attached under the action of the magnet set 1325; after the use is finished, the second transparent plate 1322 is unscrewed outwards, the drawing or the report is taken out of the cavity 1324, and finally the second transparent plate 1322 is automatically rotated back again; through the arrangement, the drawing or report can be conveniently loaded and unloaded, and the first transparent plate 1321 and the second transparent plate 1322 can be used for writing, so that the key points on the drawing or report can be marked through the first transparent plate 1321 or the second transparent plate 1322 in the display process, the smoothness of the drawing and the report can be kept, and the drawing or report can be used repeatedly.
As shown in fig. 1, a fluorescent lamp 121 is disposed at the top end of the tablet 12, a solar cell panel 122 is disposed at the top end of the fluorescent lamp 121, the solar cell panel 122 is electrically connected to the fluorescent lamp 121, and a cork plate 123 is rotatably connected to the side wall of the tablet 12; in this embodiment, the cork board 123 is smaller in size than the tablet 12.
When the display board needs to be used, the cork board 123 is turned away, paper documents and the like can be nailed on the cork board 123 by using drawing pins due to the elasticity of the cork board 123, so that the usable area of the display board can be further increased, the cork board 123 is rotationally connected to the writing board 12, the storage effect is convenient, the size of the cork board 123 is smaller than that of the writing board 12, and the fluorescent lamp 121 cannot be influenced when the cork board 123 is attached to the writing board 12; when necessary, a conference needs to be carried out on the site, and if the outdoor light is insufficient, the solar cell panel 122 can be used for supplying power to the fluorescent lamp 121, so that the brightness of the writing board 12 is improved.
As shown in fig. 2, an air cylinder 14 is arranged on a support 1, a piston cylinder of the air cylinder 14 extends vertically upwards, a piston rod of the air cylinder 14 is connected with a support plate 11, a containing box 16 is arranged on the support 1 below the support plate 11, the containing box 16 is divided into a plurality of cabins, and a self-locking universal wheel 15 is arranged at the bottom of the support 1; when the display board needs to be used, the self-locking universal wheel 15 is locked firstly, the display board can be prevented from sliding during writing to a certain degree, then the air cylinder 14 is started, the piston rod of the air cylinder 14 vertically extends upwards, so that the supporting plate 11 connected to the piston rod of the air cylinder 14 moves upwards until the writing board 12 rises to a proper height, and then data needed to be used in the display project can be placed into the containing box 16 with a plurality of cabins in a classified mode, and the effect of improving the working efficiency is achieved; after the display board is used, the air cylinder 14 is started, the piston rod of the air cylinder 14 vertically contracts downwards, the supporting plate 11 moves downwards until the supporting plate 11 covers the storage box 16, and finally the self-locking universal wheel 15 is unlocked, so that the display board can be conveniently moved.
It is worth mentioning that, in this embodiment, the tablet 12, the graphic layer board 13 and the cork board 123 are all set as double-sided available, and in the process of displaying, after the available area of one side of the display board is not enough, the display board can be rotated to continue to utilize the other side to display, thereby increasing the available area of the display board again, and displaying more useful data information in the process of displaying.
The specific implementation process comprises the following steps: before the display board needs to be used, the display board is moved to a destination, the self-locking universal wheel 15 is locked, then the air cylinder 14 is started, the piston rod of the air cylinder 14 drives the support plate 11 to vertically move upwards, then the laminated plate 13 is pulled outwards towards the support 1 until the sliding cylinder 112 is abutted to the anti-falling part 1111, then the abutting bolt 1313 is unscrewed, the support cylinder 1312 is vertically moved downwards until the anti-sliding rubber block 1314 is abutted to the ground, then the magnet group 1325 is separated, the second transparent plate 1322 is unscrewed, a drawing or a report is placed in the cavity 1324, then the second transparent plate 1322 is screwed back under the action of the torsion spring 1323, the magnet group 1325 is attached again, and finally the cork plate 123 is unscrewed.
After the use of the display board is completed, the cork board 123 is screwed on the writing board 12 to be attached, then the magnet set 1325 is separated again and the second transparent board 1322 is unscrewed, then the drawing or report is taken out, then the second transparent board 1322 is screwed back continuously, the magnet set 1325 is attached again, then the retaining bolt 1313 is unscrewed, the supporting cylinder 1312 is moved vertically upwards, after the supporting rod 1311 completely enters the supporting cylinder 1312, the retaining bolt 1313 is screwed back again, then the drawing board 13 is pushed back, finally the air cylinder 14 is started, the piston rod of the air cylinder 14 is contracted, so that the supporting board 11 moves downwards to the top of the containing box 16, finally the self-locking universal wheel 15 is unlocked, and the display board is removed.
Claims (10)
1. The utility model provides an engineering cost show board with adjustable many boards equipment, includes support (1) and board (12) of setting on support (1), its characterized in that: the utility model discloses a writing board, including support (1), the length direction of backup pad (11) is unanimous with the length direction of writing board (12), be provided with picture plywood (13) on backup pad (11), the length direction of picture plywood (13) is unanimous with the length direction of backup pad (11), be provided with slide bar (111) on backup pad (11), the length direction of slide bar (111) is unanimous with the length direction of backup pad (11), the bottom that picture plywood (13) are close to the lateral wall is provided with slide cartridge (112), slide cartridge (112) slip cover is established on slide bar (111), be provided with on picture plywood (13) and carry out support piece (131) that support with picture plywood (13) when picture plywood (13) part roll-off support (1).
2. The multi-board assembled adjustable engineering cost display board of claim 1, wherein: the sliding rod (111) is a rectangular rod, a rectangular groove (1121) is formed in the sliding barrel (112), and the shape of the rectangular groove (1121) is consistent with that of the sliding rod (111).
3. The multi-board assembled adjustable engineering cost display board of claim 2, wherein: two ends of the sliding rod (111) are provided with anti-falling parts (1111) for preventing the sliding cylinder (112) from falling off the sliding rod (111).
4. The multi-board assembled adjustable engineering cost display board of claim 1, wherein: the supporting piece (131) comprises a supporting rod (1311) and a supporting cylinder (1312), the supporting rod (1311) is located above the supporting cylinder (1312), the supporting cylinder (1312) is sleeved on the supporting rod (1311) in a sliding mode, a abutting bolt (1313) used for abutting the supporting rod (1311) in the supporting cylinder (1312) is arranged on the supporting cylinder (1312) in a penetrating mode through threads, and an anti-skid rubber block (1314) is arranged at the ground contact end of the supporting cylinder (1312).
5. The multi-board assembled adjustable engineering cost display board of claim 1, wherein: the drawing layer plate (13) comprises a bottom plate (132), a first transparent plate (1321) fixedly arranged on the bottom plate (132) and a second transparent plate (1322) rotatably arranged on the bottom plate (132), a torsion spring (1323) is arranged at the position where the second transparent plate (1322) is connected with the bottom plate (132), the torsion spring (1323) has the tendency of twisting the second transparent plate (1322) to the first transparent plate (1321), a cavity (1324) is reserved between the first transparent plate (1321) and the second transparent plate (1322), and the top ends of the first transparent plate (1321322 1) and the second transparent plate (1322) are provided with magnet groups (1325) which are mutually attracted.
6. The multi-board assembled adjustable engineering cost display board of claim 1, wherein: the support is characterized in that an air cylinder (14) is arranged on the support (1), a piston cylinder of the air cylinder (14) vertically extends upwards, and a piston rod of the air cylinder (14) is connected with the support plate (11).
7. The multi-board assembled adjustable engineering cost display board of claim 6, wherein: the bottom of the support (1) is provided with a self-locking universal wheel (15).
8. The multi-board assembled adjustable engineering cost display board of claim 7, wherein: a containing box (16) is arranged below the supporting plate (11) on the support (1), and the containing box (16) is divided into a plurality of cabins.
9. The multi-board assembled adjustable engineering cost display board of claim 1, wherein: the top end of the writing board (12) is provided with a fluorescent lamp (121), the top end of the fluorescent lamp (121) is provided with a solar cell panel (122), and the solar cell panel (122) is electrically connected with the fluorescent lamp (121).
10. The multi-board assembled adjustable engineering cost display board of claim 9, wherein: the side wall of the writing board (12) is rotatably connected with a cork board (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921851951.4U CN210777688U (en) | 2019-10-31 | 2019-10-31 | Engineering cost show board with adjustable many boards equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921851951.4U CN210777688U (en) | 2019-10-31 | 2019-10-31 | Engineering cost show board with adjustable many boards equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210777688U true CN210777688U (en) | 2020-06-16 |
Family
ID=71040120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921851951.4U Expired - Fee Related CN210777688U (en) | 2019-10-31 | 2019-10-31 | Engineering cost show board with adjustable many boards equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210777688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112419933A (en) * | 2020-11-17 | 2021-02-26 | 许江丽 | Building engineering cost analytical equipment |
| CN113077700A (en) * | 2021-03-03 | 2021-07-06 | 龚赛钦 | Folding type city planning model |
-
2019
- 2019-10-31 CN CN201921851951.4U patent/CN210777688U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112419933A (en) * | 2020-11-17 | 2021-02-26 | 许江丽 | Building engineering cost analytical equipment |
| CN113077700A (en) * | 2021-03-03 | 2021-07-06 | 龚赛钦 | Folding type city planning model |
| CN113077700B (en) * | 2021-03-03 | 2022-11-08 | 龚赛钦 | Folding type city planning model |
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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: 20200616 Termination date: 20201031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |