CN114081279A - Civil fine arts workstation with rotation function and convenient storage - Google Patents
Civil fine arts workstation with rotation function and convenient storage Download PDFInfo
- Publication number
- CN114081279A CN114081279A CN202111368062.4A CN202111368062A CN114081279A CN 114081279 A CN114081279 A CN 114081279A CN 202111368062 A CN202111368062 A CN 202111368062A CN 114081279 A CN114081279 A CN 114081279A
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- base
- transmission
- belt pulley
- rotating
- plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims abstract description 62
- 230000003028 elevating effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B27/00—Drawing desks or tables; Carriers for drawing-boards
- A47B27/02—Adjustable drawing tables without balancing means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B1/00—Extensible tables
- A47B1/04—Extensible tables with supplementary leaves or drop leaves arranged at the periphery
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B27/00—Drawing desks or tables; Carriers for drawing-boards
- A47B27/14—Adjustable underframes
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Abstract
The invention discloses a civil art workbench with a rotating function and convenient storage, which comprises a base, wherein the upper end of the base is provided with a slideway which is communicated up and down, a sliding plate is arranged in the slideway in a sliding manner, the upper end of the sliding plate is rotatably penetrated and provided with a driving mechanism, the top of the base is rotatably provided with a first transmission mechanism matched with the driving mechanism, the bottom of the base is rotatably provided with a second transmission mechanism matched with the driving mechanism, the top surface of the base is rotatably penetrated and provided with a rotating mechanism, the rotating mechanism is in transmission connection with the first transmission mechanism, the upper end of the rotating mechanism is fixedly connected with a drawing table, a storage plate is fixedly arranged in the drawing table, and the lower end of the storage plate is rotatably provided with a lifting mechanism. The workbench is convenient to rotate in the using process, and can rotate at a constant speed, so that the stability of the workbench is ensured; in addition, through extension mechanism not only be convenient for accomodate of art supplies, but also can expand the working area of workstation.
Description
Technical Field
The invention relates to the technical field of art workbenches, in particular to a civil art workbench which has a rotating function and is convenient to store.
Background
The Chinese folk art is created by the masses of Chinese people, aims at beautifying the environment and enriching folk custom activities, is applied and popular in daily life, is an important factor for forming the tradition of various folk arts, and is a source of all art forms.
Present workstation that folk fine arts were used, need adjust workstation adjustment angle when using be not convenient for rotate, even when moving the workstation adjustment for the stability of workstation is relatively poor, and in addition, the workstation is not convenient for accomodate fine arts articles for use after using, in addition, the working area that still can not effectual expansion workstation, the workstation is used to folk fine arts that has rotation function and convenient storage for this reason provides.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a civil art workbench which has a rotating function and is convenient to store.
In order to achieve the purpose, the invention adopts the following technical scheme:
a civil art workbench with a rotating function and convenient storage comprises a base, wherein the upper end of the base is provided with a slideway which is communicated up and down, a sliding plate is arranged in the slideway in a sliding manner, the upper end of the sliding plate is rotatably penetrated and provided with a driving mechanism, the top of the base is rotatably provided with a first transmission mechanism matched with the driving mechanism, the bottom of the base is rotatably provided with a second transmission mechanism matched with the driving mechanism, the top surface of the base is rotatably penetrated and provided with a rotating mechanism, the rotating mechanism is in transmission connection with the first transmission mechanism, the upper end of the rotating mechanism is fixedly connected with a drawing table, a storage plate is fixedly arranged in the drawing table, the lower end of the storage plate is rotatably provided with a lifting mechanism, the lifting mechanism is penetrated and arranged through the rotating mechanism and is rotatably connected with the bottom of the base, and the lifting mechanism is in transmission connection with the second transmission mechanism, all be equipped with on the both ends lateral wall about the drawing platform and accomodate the groove, accomodate the groove and set up with the drawing platform intercommunication, accomodate the inslot and be equipped with extension mechanism, extension mechanism is located the part of drawing platform and its bottom sliding connection, extension mechanism rotates with elevating system and is connected.
Preferably, the driving mechanism comprises a driving rod which is rotatably arranged through the sliding plate, and the part of the driving rod, which is positioned in the base, is coaxially and fixedly connected with a first gear which is matched with the first transmission mechanism and the second transmission mechanism.
Preferably, first drive mechanism sets up the first transmission shaft on the base top surface including rotating, coaxial fixedly connected with and first gear assorted second gear on the first transmission shaft, coaxial fixedly connected with first belt pulley on the first transmission shaft, first belt pulley and rotary mechanism transmission are connected.
Preferably, second drive mechanism sets up the second transmission shaft on the base bottom including rotating, coaxial fixedly connected with and first gear assorted third gear on the second transmission shaft, coaxial fixedly connected with second belt pulley on the second transmission shaft, second belt pulley and elevating system transmission are connected.
Preferably, rotary mechanism runs through the rotatory pipe that the base top set up including rotating, coaxial fixedly connected with third belt pulley on the part that the rotatory pipe is located the base, the third belt pulley is connected with first belt pulley transmission, the upper end and the fixed intercommunication setting of drawing platform of rotatory pipe, elevating system runs through the rotatory pipe setting.
Preferably, elevating system sets up in the threaded rod of storage plate lower extreme including rotating, the lower extreme of threaded rod runs through the rotatory pipe setting and rotates with the lower terminal surface of base to be connected, the threaded rod is located coaxial fixedly connected with fourth belt pulley on the part of rotatory pipe below, fourth belt pulley is connected with the second belt pulley transmission, threaded connection has the lifter plate on the part that the threaded rod is located the drawing platform, both ends rotate with two extension mechanisms respectively and are connected about the lifter plate.
Preferably, the extension mechanism comprises an extension plate rotatably arranged in the accommodating groove, the lower end of the extension plate is rotatably connected with a first connecting rod, the lower end of the first connecting rod is rotatably connected with a sliding plate, the sliding plate slidably penetrates through the accommodating groove and extends into the drawing table, one end of the sliding plate, which is located in the drawing table, is rotatably connected with a second connecting rod, one end, which is far away from the sliding plate, of the second connecting rod is rotatably connected with the lifting plate, and the sliding plate is slidably connected with the bottom of the drawing table.
Preferably, the bottom of the drawing table is provided with two sliding grooves, sliding blocks are arranged in the two sliding grooves, and the upper ends of the two sliding blocks are fixedly connected with the lower ends of the sliding plates respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the driving mechanism, the first transmission mechanism and the rotating mechanism can drive the drawing table to rotate, so that the drawing table can be rotated to adjust the use angle when the art table is used, a user can control the driving mechanism with a hand at a constant speed, the drawing table can rotate at a constant speed, art supplies on the drawing table can be placed stably, the phenomenon of toppling over can not occur, and the stability of the art workbench can be effectively improved.
2. According to the invention, the driving mechanism, the second transmission mechanism, the lifting mechanism and the extension mechanism are arranged, so that the extension plate can be conveniently unfolded, art supplies can be conveniently stored on the storage plate of the drawing table while the extension plate is unfolded, in addition, the working area of the art workbench can be effectively increased due to the unfolding of the extension plate, and the practicability of the workbench in use is conveniently improved.
Drawings
Fig. 1 is a perspective view of a civil art work table with a rotation function and convenient storage according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a partial top view of a base of a civil art workbench with a rotary function and convenient storage according to the present invention;
fig. 4 is a schematic structural diagram of a driving mechanism, a first transmission mechanism and a second transmission mechanism in a civil art workbench which has a rotating function and is convenient to store;
fig. 5 is a partial perspective view of a rotary tube of a civil art work table that has a rotary function and is convenient to store.
In the figure: the automatic drawing machine comprises a base 1, a slideway 2, a sliding plate 3, a drawing table 4, a containing plate 5, a containing groove 6, a driving rod 7, a first gear 8, a first transmission shaft 9, a second gear 10, a first belt pulley 11, a second transmission shaft 12, a third gear 13, a second belt pulley 14, a rotating pipe 15, a third belt pulley 16, a threaded rod 17, a fourth belt pulley 18, a lifting plate 19, an extending plate 20, a first connecting rod 21, a sliding plate 22, a second connecting rod 23, a sliding chute 24 and a sliding block 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a civil art workbench with rotation function and convenient storage comprises a base 1, a slide way 2 which is communicated up and down is arranged at the upper end of the base 1, a slide plate 3 is arranged in the slide way 2 in a sliding manner, it is explained that a frosted layer is arranged on the side wall of the slide way 2, the slide plate 3 is convenient to position and fix in the slide way 2, the slide way 2 is communicated with the base 1, the parts in the base 1 are convenient to observe and connect in a matching manner, a driving mechanism is arranged at the upper end of the slide plate 3 in a rotating and penetrating manner, a first transmission mechanism matched with the driving mechanism is arranged at the top of the base 1 in a rotating manner, a second transmission mechanism matched with the driving mechanism is arranged at the bottom of the base 1 in a rotating manner, a rotating mechanism is arranged at the top surface of the base 1 in a rotating and penetrating manner, the rotating mechanism is connected with the first transmission mechanism in a driving manner, a drawing table 4 is fixedly connected at the upper end of the rotating mechanism, a storage plate 5 is fixedly arranged in the drawing table 4, the lower extreme of intake plate 5 rotates and is equipped with elevating system, it should be explained that, both ends are respectively with drawing platform 4 front and back both ends inner wall fixed connection around intake plate 5, be convenient for place the articles for use of fine arts drawing effect, elevating system runs through the rotary mechanism setting and rotates with base 1's bottom and is connected, elevating system is connected with the transmission of second drive mechanism, all be equipped with on the both ends lateral wall of controlling of drawing platform 4 and accomodate groove 6, accomodate groove 6 and drawing platform 4 intercommunication setting, wherein, accomodate groove 6 and be equipped with the opening, be convenient for place relevant articles for use with on intake plate 5, be convenient for accomodate relevant articles for use, accomodate the inslot 6 and be equipped with extension mechanism, extension mechanism is located the part in drawing platform 4 and its bottom sliding connection, extension mechanism rotates with elevating system and is connected.
Wherein, actuating mechanism runs through the actuating lever 7 that slide 3 set up including rotating, and coaxial fixedly connected with all with first drive mechanism and second drive mechanism assorted first gear 8 on the part that actuating lever 7 is located base 1, it needs to explain that, accessible manual promotion actuating lever 7 drives slide 3 and slides in slide 2 to can manual rotatory actuating lever 7 at the uniform velocity.
Wherein, first drive mechanism sets up first transmission shaft 9 on base 1 top surface including rotating, coaxial fixedly connected with and first gear 8 assorted second gear 10 on first transmission shaft 9, coaxial fixedly connected with first belt pulley 11 on first transmission shaft 9, first belt pulley 11 and rotary mechanism transmission are connected, it is required to explain that, accessible slide 3 slides in slide 2, can realize that first gear 8 and second gear 10 mesh mutually, be convenient for drive second gear 10 and rotate.
Wherein, second drive mechanism sets up second transmission shaft 12 on base 1 bottom including rotating, coaxial fixedly connected with and first gear 8 assorted third gear 13 on second transmission shaft 12, coaxial fixedly connected with second belt pulley 14 on second transmission shaft 12, second belt pulley 14 is connected with the elevating system transmission, it is worth mentioning that accessible slide 3 slides in slide 2, can realize first gear 8 and the meshing of third gear 13 mutually, be convenient for drive third gear 13 rotates.
More specifically, rotary mechanism runs through the rotatory pipe 15 that base 1 top set up including rotating, and coaxial fixedly connected with third belt pulley 16 is located on the part of base 1 in rotatory pipe 15, and third belt pulley 16 realizes being connected with first belt pulley 11 transmission through first belt, and the upper end and the drawing platform 4 of rotatory pipe 15 are fixed to be communicated and are set up, and elevating system runs through rotatory pipe 15 and sets up.
Wherein, elevating system sets up in the threaded rod 17 of storage plate 5 lower extreme including rotating, the lower extreme of threaded rod 17 runs through the setting of rotatory pipe 15 and rotates with the lower terminal surface of base 1 to be connected, threaded rod 17 is located the part of rotatory pipe 15 below and goes up coaxial fixedly connected with fourth belt pulley 18, fourth belt pulley 18 realizes through the second belt to be connected with the transmission of second belt pulley 14, threaded rod 17 is located threaded connection has lifter plate 19 on the part of drawing platform 4, both ends rotate with two extension mechanisms respectively about lifter plate 19 and are connected.
Wherein, extension mechanism sets up extension board 20 in accomodating groove 6 including rotating, extension board 20's lower extreme rotates and is connected with head rod 21, the lower extreme of head rod 21 rotates and is connected with sliding plate 22, sliding plate 22 slides and runs through to accomodate groove 6 and set up and extend to in drawing platform 4, sliding plate 22 is located the one end rotation of drawing platform 4 and is connected with second connecting rod 23, the one end that sliding plate 22 was kept away from to second connecting rod 23 rotates with lifter plate 19 to be connected, sliding plate 22 and the bottom sliding connection who draws platform 4.
Wherein, the bottom of drawing platform 4 is equipped with two spout 24, all is equipped with slider 25 in two spout 24, the upper end of two slider 25 respectively with sliding plate 22's lower extreme fixed connection, it is required to explain that, slide in spout 24 through the slider 25 that sets up, can make sliding plate 22 horizontal slip in drawing platform 4, be convenient for extend board 20 accomodate to accomodating in the groove 6, the concrete structure of rotation connection in this text is prior art, does not describe here any more.
According to the invention, the driving rod 7 can drive the sliding plate 3 to slide in the slideway 2 so as to drive the first gear 8 to move, the slideway 2 is used for observing that the first gear 8 is meshed with the second gear 10 or the third gear 13, when the first gear 8 is meshed with the second gear 10, the driving rod 7 can be rotated at a constant speed so as to drive the first gear 8 to rotate, the first gear 8 is meshed with the second gear 10, the first transmission shaft 9 and the first belt pulley 11 can be driven to rotate synchronously, and the first belt pulley 11 is in transmission connection with the third belt pulley 16, so that the rotating pipe 15 and the drawing table 4 can be driven to rotate synchronously at a constant speed, the direction of the drawing table 4 can be adjusted for use, and the stability of articles on the drawing table 4 and articles on the containing plate 5 can be ensured due to the constant speed rotation; when first gear 8 and third gear 13 mesh, rotatory actuating lever 7 can drive first gear 8 rotatory, then can take second transmission shaft 12 to rotate, because second belt pulley 14 and fourth belt pulley 18 transmission are connected, can make threaded rod 17 rotate, then can make lifter plate 19 go up and down in drawing platform 4, lifter plate 19 descends, can be sliding plate 22 to the outside motion of drawing platform 4 under the effect of second connecting rod 23, the effect of first connecting rod 21 can make extension board 20 expand, make the up end of extension board 20 and the up end of drawing platform 4 be in same horizontal plane, the area of work when effectual extension fine arts are drawn, and be convenient for accomodate article on the board 5 and use to accomodate groove 6 and go to put, otherwise, be convenient for accomodate extension board 20.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a civilian for fine arts workstation with rotation function and convenient storage, includes base (1), its characterized in that, the upper end of base (1) is equipped with slide (2) that communicate from top to bottom, it is equipped with slide (3) to slide in slide (2), slide (3) upper end is rotated and is run through and is equipped with actuating mechanism, the top of base (1) is rotated and is equipped with the first drive mechanism with actuating mechanism assorted, it is equipped with the second drive mechanism with actuating mechanism assorted to rotate on the bottom of base (1), the top surface of base (1) is rotated and is run through and is equipped with rotary mechanism, rotary mechanism is connected with the transmission of first drive mechanism, rotary mechanism's upper end fixedly connected with drawing platform (4), drawing platform (4) internal fixation is equipped with storage plate (5), the lower extreme of storage plate (5) rotates and is equipped with elevating system, elevating system runs through the setting of rotary mechanism and rotates with the bottom of base (1) to be connected, elevating system is connected with the transmission of second drive mechanism, all be equipped with on the both ends lateral wall of controlling of drawing platform (4) and accomodate groove (6), accomodate groove (6) and draw platform (4) intercommunication setting, it is equipped with extension mechanism in groove (6) to accomodate, extension mechanism is located the part of drawing platform (4) and its bottom sliding connection, extension mechanism rotates with elevating system to be connected.
2. The folk art workbench which has the rotating function and is convenient to store according to claim 1, wherein the driving mechanism comprises a driving rod (7) which is rotatably arranged through the sliding plate (3), and a part of the driving rod (7) positioned in the base (1) is coaxially and fixedly connected with a first gear (8) which is matched with the first transmission mechanism and the second transmission mechanism.
3. The folk art workbench which has the rotating function and is convenient to store as well as is characterized in that the first transmission mechanism comprises a first transmission shaft (9) which is rotatably arranged on the top surface of the base (1), a second gear (10) matched with the first gear (8) is coaxially and fixedly connected onto the first transmission shaft (9), a first belt pulley (11) is coaxially and fixedly connected onto the first transmission shaft (9), and the first belt pulley (11) is in transmission connection with the rotating mechanism.
4. The folk art workbench which has the rotating function and is convenient to store as well as is characterized in that the second transmission mechanism comprises a second transmission shaft (12) which is rotatably arranged at the bottom of the base (1), a third gear (13) matched with the first gear (8) is coaxially and fixedly connected onto the second transmission shaft (12), a second belt pulley (14) is coaxially and fixedly connected onto the second transmission shaft (12), and the second belt pulley (14) is in transmission connection with the lifting mechanism.
5. The folk art workbench with the rotating function and convenient storage according to claim 4, wherein the rotating mechanism comprises a rotating pipe (15) which is rotatably arranged through the top of the base (1), a third belt pulley (16) is coaxially and fixedly connected to the part of the rotating pipe (15) positioned in the base (1), the third belt pulley (16) is in transmission connection with the first belt pulley (11), the upper end of the rotating pipe (15) is fixedly communicated with the drawing table (4), and the lifting mechanism is arranged through the rotating pipe (15).
6. The work bench for folk art with rotatory function and convenient storage of claim 5, characterized in that, elevating system sets up in the threaded rod (17) of taking in the board (5) lower extreme including rotating, the lower extreme of threaded rod (17) runs through rotatory pipe (15) and sets up and is connected with the lower terminal surface rotation of base (1), coaxial fixedly connected with fourth belt pulley (18) on the part that threaded rod (17) are located rotatory pipe (15) below, fourth belt pulley (18) are connected with second belt pulley (14) transmission, threaded connection has lifter plate (19) on the part that threaded rod (17) are located drawing platform (4), both ends are rotated with two extension mechanisms respectively and are connected about lifter plate (19).
7. The folk art workbench with the rotating function and convenient storage according to claim 6, wherein the extending mechanism comprises an extending plate (20) rotatably disposed in the storage groove (6), the lower end of the extending plate (20) is rotatably connected with a first connecting rod (21), the lower end of the first connecting rod (21) is rotatably connected with a sliding plate (22), the sliding plate (22) is slidably disposed through the storage groove (6) and extends into the drawing table (4), one end of the sliding plate (22) located in the drawing table (4) is rotatably connected with a second connecting rod (23), one end of the second connecting rod (23) far away from the sliding plate (22) is rotatably connected with the lifting plate (19), and the sliding plate (22) is slidably connected with the bottom of the drawing table (4).
8. The folk art workbench with the rotation function and the convenient storage function according to claim 7, wherein the bottom of the drawing table (4) is provided with two sliding grooves (24), each sliding groove (24) is internally provided with a sliding block (25), and the upper ends of the two sliding blocks (25) are respectively fixedly connected with the lower end of the sliding plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111368062.4A CN114081279A (en) | 2021-11-18 | 2021-11-18 | Civil fine arts workstation with rotation function and convenient storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111368062.4A CN114081279A (en) | 2021-11-18 | 2021-11-18 | Civil fine arts workstation with rotation function and convenient storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114081279A true CN114081279A (en) | 2022-02-25 |
Family
ID=80301575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111368062.4A Pending CN114081279A (en) | 2021-11-18 | 2021-11-18 | Civil fine arts workstation with rotation function and convenient storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114081279A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207683229U (en) * | 2018-01-04 | 2018-08-03 | 吉林师范大学 | A kind of multifunctional combination fine arts drawing board |
| CN208708915U (en) * | 2018-01-28 | 2019-04-09 | 大连凡高装饰设计工程有限公司 | A kind of Multifunctional conference table |
| CN209106468U (en) * | 2018-05-18 | 2019-07-16 | 河北工业职业技术学院 | A kind of Teaching of English Listening folding table |
| CN211608586U (en) * | 2020-01-14 | 2020-10-02 | 江西骏牛家具有限公司 | Dining table convenient to carousel shrink |
| JP2020182779A (en) * | 2019-04-28 | 2020-11-12 | 广州利何機械科技有限公司 | Adjustable crystal table |
| CN214594776U (en) * | 2020-12-03 | 2021-11-05 | 辽宁师范大学 | Podium with adjust overall height |
-
2021
- 2021-11-18 CN CN202111368062.4A patent/CN114081279A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207683229U (en) * | 2018-01-04 | 2018-08-03 | 吉林师范大学 | A kind of multifunctional combination fine arts drawing board |
| CN208708915U (en) * | 2018-01-28 | 2019-04-09 | 大连凡高装饰设计工程有限公司 | A kind of Multifunctional conference table |
| CN209106468U (en) * | 2018-05-18 | 2019-07-16 | 河北工业职业技术学院 | A kind of Teaching of English Listening folding table |
| JP2020182779A (en) * | 2019-04-28 | 2020-11-12 | 广州利何機械科技有限公司 | Adjustable crystal table |
| CN211608586U (en) * | 2020-01-14 | 2020-10-02 | 江西骏牛家具有限公司 | Dining table convenient to carousel shrink |
| CN214594776U (en) * | 2020-12-03 | 2021-11-05 | 辽宁师范大学 | Podium with adjust overall height |
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Application publication date: 20220225 |
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