CN111568047A - Outdoor art design easel fixing device - Google Patents

Outdoor art design easel fixing device Download PDF

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Publication number
CN111568047A
CN111568047A CN202010406479.4A CN202010406479A CN111568047A CN 111568047 A CN111568047 A CN 111568047A CN 202010406479 A CN202010406479 A CN 202010406479A CN 111568047 A CN111568047 A CN 111568047A
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CN
China
Prior art keywords
angle
bevel gear
limiting
groove
block
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.)
Granted
Application number
CN202010406479.4A
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Chinese (zh)
Other versions
CN111568047B (en
Inventor
吴京垿
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Zhoukou Normal University
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Zhoukou Normal University
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Publication date
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Priority to CN202010406479.4A priority Critical patent/CN111568047B/en
Publication of CN111568047A publication Critical patent/CN111568047A/en
Application granted granted Critical
Publication of CN111568047B publication Critical patent/CN111568047B/en
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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
    • 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
    • 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
    • A47B91/00—Feet for furniture in general
    • A47B91/02—Adjustable feet
    • 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
    • A47B91/00—Feet for furniture in general
    • A47B91/06—Gliders or the like
    • A47B91/066—Swivel gliders
    • 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
    • A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Landscapes

  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses an outdoor art design easel fixing device which comprises an easel body and an adjusting seat, wherein the bottom of the adjusting seat is symmetrically provided with a mounting frame, a moving mechanism is arranged in the mounting frame, one side of the adjusting seat is provided with an angle groove, an angle mechanism is arranged in the angle groove, and the other side of the adjusting seat is provided with a supporting column. According to the angle adjusting device, the angle motor is started, the first bevel gear rotates, the second bevel gear is meshed with the first bevel gear, the second bevel gear rotates, the angle shaft rotates, the angle block is in threaded connection with the angle shaft, and the angle block can move on the angle shaft to drive the angle rod to move, so that the inclination angle of the mounting plate can be adjusted conveniently.

Description

Outdoor art design easel fixing device
Technical Field
The invention relates to the technical field of outdoor art design, in particular to a fixing device of an outdoor art design drawing frame.
Background
Painting is an art that manually imitates nature on a two-dimensional plane, in europe of the middle ages, because it imitates a scene as a monkey likes to imitate human activities. Before the 20 th century, the truer and more sophisticated technologies that painting mimics, but in the 20 th century, with the advent and development of photographic technology, painting began to turn to represent the artist's subjective direction. Painting is a form of capturing, recording and presenting different creative purposes, as well as the number of its participants. The nature of the drawing may be natural and pie-like, pictorial, abstract, narrative, symbolic, emotional, or political in nature.
Fixing device among the prior art can not adjust the easel angle, can not dismantle between easel and the fixing device simultaneously to it is not very convenient when leading to changing the easel.
Disclosure of Invention
The invention aims to provide a fixing device for an outdoor art design drawing frame, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an outdoor art design easel fixing device comprises an easel body and an adjusting seat, wherein the bottom of the adjusting seat is symmetrically provided with an installation frame, a moving mechanism is arranged in the installation frame, one side of the adjusting seat is provided with an angle groove, an angle mechanism is arranged in the angle groove, and the other side of the adjusting seat is provided with a supporting column;
the easel comprises an easel body, a support column, an angle mechanism, a limiting mechanism and a limiting mechanism, wherein the support column is hinged with one side of the mounting plate, the angle mechanism is connected with the other side of the mounting plate, an L-shaped mounting column is arranged at the bottom of the easel body, an L-shaped mounting groove is formed in the mounting plate, a clamping groove is formed in the L-shaped mounting column, and the clamping;
the L-shaped mounting column is also provided with a fixing groove, a positioning opening is arranged above the L-shaped mounting groove, a fixing motor is arranged in a cavity of the mounting plate, and an output shaft of the fixing motor is connected with a threaded lead screw;
the threaded screw rod is connected with a threaded screw block in a threaded manner, the threaded screw block is provided with a fixing clamping rod, the bottom end of the fixing clamping rod is provided with a fixing clamping block, and the fixing clamping block penetrates through the positioning hole and is fixedly limited with the fixing groove.
Preferably, the moving mechanism comprises a driving motor, an output shaft of the driving motor is connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is connected with a transmission shaft, the transmission shaft is connected with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, the fourth bevel gear is connected with an adjusting shaft, a threaded opening is formed in the bottom of the adjusting shaft, a screw rod is connected with the threaded opening in a threaded manner, and a sliding wheel is connected to the bottom end of the screw rod.
Preferably, the top of the adjusting shaft is connected with the inner top wall of the mounting frame through a bearing seat.
Preferably, the mounting frame lateral wall is equipped with the spacing groove, and the spacing inslot slides and is equipped with the stopper, and the stopper is connected with the lead screw.
Preferably, the angle mechanism comprises an angle motor, an output shaft of the angle motor is connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is connected with an angle shaft, an angle block is in threaded connection with the angle shaft, an angle rod is arranged on the upper portion of the angle block, and the angle rod is hinged to the mounting plate.
Preferably, the angle slot is internally provided with a stable matching slot, the stable matching slot is internally provided with a stable matching block in a sliding manner, and the stable matching block is connected with the angle block.
Preferably, stop gear includes spacing box, and the slip is equipped with the limiting plate in the spacing box, and limiting plate one side symmetry is equipped with spacing post, and two spacing posts pass spacing box and the spacing fixed setting in screens groove, and one side of limiting plate is connected with draws the post.
Preferably, the limiting spring is sleeved on the limiting column, one end of the limiting spring is connected with the limiting plate, and the other end of the limiting spring is connected with the limiting box.
Preferably, the number of the limiting springs is two.
Preferably, the pull column is provided with a pull block.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the angle motor is started, the first bevel gear rotates, the first bevel gear is meshed with the second bevel gear, the second bevel gear rotates, the angle shaft is in threaded connection with the angle block, and the angle block can move on the angle shaft to drive the angle rod to move, so that the inclination angle of the mounting plate can be conveniently adjusted, and the angle adjustment of the easel body is realized; put into L type mounting column L type mounting groove in, through the reseing of spacing spring to can drive spacing post with the spacing fixed in screens groove, simultaneously through starting fixed motor, the screw lead screw rotates, threaded connection has screw thread piece on the screw lead screw, thereby drives fixing clip pole downstream, and fixing clip pole bottom is equipped with fixed fixture block, and fixed fixture block passes the fixed spacing setting of location mouth and fixed slot, and then with L type mounting column spacing fixed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the moving mechanism of the present invention;
FIG. 3 is a schematic structural view of the angle mechanism of the present invention;
FIG. 4 is a schematic view of the disassembled structure of the easel body according to the present invention;
FIG. 5 is a schematic structural view of a spacing mechanism of the present invention;
fig. 6 is a schematic structural view of the fixing block and the positioning hole of the present invention.
In the figure: 1. an easel body; 2. an adjusting seat; 3. installing a frame; 4. a moving mechanism; 41. a drive motor; 42. a first bevel gear; 43. a second bevel gear; 44. a drive shaft; 45. a third bevel gear; 46. a fourth bevel gear; 47. an adjustment shaft; 48. a threaded opening; 49. a screw rod; 410. a sliding wheel; 411. a limiting groove; 412. a limiting block; 413. a bearing seat; 5. An angle mechanism; 51. an angle motor; 52. a first bevel gear; 53. a second bevel gear; 54. an angle axis; 55. an angle block; 56. an angle lever; 6. a pillar; 7. mounting a plate; 8. an angle groove; 9. a stable mating groove; 10. a stable mating block; 11. an L-shaped mounting post; 12. an L-shaped mounting groove; 13. a clamping groove; 14. a limiting mechanism; 141. a limiting box; 142. a limiting plate; 143. a limiting column; 144. pulling the column; 145. a limiting spring; 146. pulling the block; 15. fixing grooves; 16. positioning the opening; 17. Fixing a motor; 18. a threaded lead screw; 19. a threaded screw block; 20. fixing the clamping rod; 21. and fixing the clamping block.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the fixing device for the outdoor art design easel comprises an easel body 1 and an adjusting seat 2, wherein the bottom of the adjusting seat 2 is symmetrically provided with a mounting frame 3, a moving mechanism 4 is arranged in the mounting frame 3, one side of the adjusting seat 2 is provided with an angle groove 8, an angle mechanism 5 is arranged in the angle groove 8, and the other side is provided with a support 6;
the easel comprises an easel body 1, a supporting column 6, an angle mechanism 5, a limiting mechanism 14, an L-shaped mounting column 11, an L-shaped mounting groove 12, a clamping groove 13 and a limiting mechanism 6, wherein the supporting column 6 is hinged to one side of the mounting plate 7, the angle mechanism 5 is connected to the other side of the mounting plate 7, the L-shaped mounting column 11 is arranged at the bottom of the easel body 1, the L-shaped mounting groove 12 is arranged;
the L-shaped mounting column 11 is further provided with a fixing groove 15, a positioning opening 16 is arranged above the L-shaped mounting groove 12, a fixing motor 17 is arranged in a cavity of the mounting plate 7, and an output shaft of the fixing motor 17 is connected with a threaded screw rod 18;
the threaded screw rod 18 is in threaded connection with a threaded screw block 19, the threaded screw block 19 is provided with a fixed clamping rod 20, the bottom end of the fixed clamping rod 20 is provided with a fixed clamping block 21, and the fixed clamping block 21 penetrates through the positioning hole 16 and is fixedly limited with the fixed groove 15.
The moving mechanism 4 of the embodiment includes a driving motor 41, an output shaft of the driving motor 41 is connected with a first bevel gear 42, the first bevel gear 42 is engaged with a second bevel gear 43, the second bevel gear 43 is connected with a transmission shaft 44, the transmission shaft 44 is connected with a third bevel gear 45, the third bevel gear 45 is engaged with a fourth bevel gear 46, the fourth bevel gear 46 is connected with an adjusting shaft 47, a threaded opening 48 is arranged at the bottom of the adjusting shaft 47, the threaded opening 48 is connected with a screw rod 49 through threads, and the bottom end of the screw rod 49 is connected with a sliding wheel 410.
The top of the adjusting shaft 47 of this embodiment is connected to the inner top wall of the mounting frame 3 through a bearing seat 413.
The mounting frame 3 lateral wall of this embodiment is equipped with spacing groove 411, slides in the spacing groove 411 and is equipped with stopper 412, and stopper 412 is connected with lead screw 49.
Starting a driving motor 41, wherein an output shaft of the driving motor 41 is connected with a first bevel gear 42, the first bevel gear 42 rotates, the first bevel gear 42 is meshed with a second bevel gear 43, the second bevel gear 43 rotates to further drive a transmission shaft 44 to rotate, a third bevel gear 45 rotates, the third bevel gear 45 is meshed with a fourth bevel gear 46, an adjusting shaft 47 rotates, a threaded port 48 is in threaded connection with a screw rod 49, the screw rod 49 rotates, and a sliding wheel 410 rotates to facilitate walking;
the angle mechanism 5 of this embodiment includes angle motor 51, and angle motor 51 output shaft has bevel gear 52 No. one, and bevel gear 52 meshing has bevel gear 53 No. two, and bevel gear 53 No. two is connected with angle shaft 54, and threaded connection has angle block 55 on the angle shaft 54, and angle block 55 upper portion is equipped with angle rod 56, and angle rod 56 articulates with mounting panel 7 and sets up.
The angle groove 8 of this embodiment is provided with a stable matching groove 9, a stable matching block 10 is slidably provided in the stable matching groove 9, and the stable matching block 10 is connected with the angle block 55.
The angle motor 51 is started, the first bevel gear 52 rotates, the second bevel gear 53 is meshed with the first bevel gear 52, the second bevel gear 53 rotates, the angle shaft 54 rotates, the angle block 55 is connected to the angle shaft 54 in a threaded manner, and the angle block 55 can move on the angle shaft 54 to drive the angle rod 56 to move, so that the inclination angle of the mounting plate 7 can be adjusted conveniently, and the angle adjustment of the easel body 1 is realized;
the limiting mechanism 14 of this embodiment includes limiting box 141, and it is equipped with limiting plate 142 to slide in limiting box 141, and limiting plate 142 one side symmetry is equipped with spacing post 143, and two spacing posts 143 pass limiting box 141 and the spacing fixed setting in screens groove 13, and one side of limiting plate 142 is connected with draws post 144.
The limiting spring 145 is sleeved on the limiting column 143 of the embodiment, one end of the limiting spring 145 is connected with the limiting plate 142, and the other end of the limiting spring 145 is connected with the limiting box 141.
The number of the limit springs 145 of the present embodiment is 2.
The pull post 144 of this embodiment is provided with a pull block 146.
Put into L type erection column 11 in L type mounting groove 12, through the reseing of spacing spring 145, thereby can drive spacing post 143 with the spacing fixed of screens groove 13, simultaneously through starting fixed motor 17, screw lead screw 18 rotates, threaded connection has screw thread piece 19 on the screw lead screw 18, thereby drive fixing clip pole 20 and remove downwards, fixing clip pole 20 bottom is equipped with fixture block 21, fixture block 21 passes location mouth 16 and fixed spacing setting of fixed slot 15, and then with the spacing fixed of L type erection column.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. An outdoor art design easel fixing device comprises an easel body (1) and an adjusting seat (2), and is characterized in that the bottom of the adjusting seat (2) is symmetrically provided with a mounting frame (3), a moving mechanism (4) is arranged in the mounting frame (3), one side of the adjusting seat (2) is provided with an angle groove (8), an angle mechanism (5) is arranged in the angle groove (8), and the other side of the adjusting seat is provided with a support column (6);
the easel is characterized in that a support post (6) is hinged with one side of an installation plate (7), an angle mechanism (5) is connected with the other side of the installation plate (7), an L-shaped installation column (11) is arranged at the bottom of the easel body (1), an L-shaped installation groove (12) is arranged on the installation plate (7), a clamping groove (13) is arranged on the L-shaped installation column (11), and the clamping groove (13) is matched with a limiting mechanism (14);
the L-shaped mounting column (11) is further provided with a fixing groove (15), a positioning opening (16) is formed above the L-shaped mounting groove (12), a fixing motor (17) is arranged in a cavity of the mounting plate (7), and an output shaft of the fixing motor (17) is connected with a threaded screw rod (18);
the threaded screw rod (18) is connected with a threaded screw block (19) in a threaded manner, a fixing clamping rod (20) is arranged on the threaded screw block (19), a fixing clamping block (21) is arranged at the bottom end of the fixing clamping rod (20), and the fixing clamping block (21) penetrates through a positioning hole (16) and is fixed and limited with a fixing groove (15).
2. The outdoor art design drawing frame fixing device according to claim 1, wherein the moving mechanism (4) comprises a driving motor (41), an output shaft of the driving motor (41) is connected with a first bevel gear (42), the first bevel gear (42) is meshed with a second bevel gear (43), the second bevel gear (43) is connected with a transmission shaft (44), the transmission shaft (44) is connected with a third bevel gear (45), the third bevel gear (45) is meshed with a fourth bevel gear (46), the fourth bevel gear (46) is connected with an adjusting shaft (47), a threaded opening (48) is formed in the bottom of the adjusting shaft (47), the threaded opening (48) is in threaded connection with a screw rod (49), and the bottom end of the screw rod (49) is connected with a sliding wheel (410).
3. An outdoor art design easel fixing device according to claim 2, wherein the top of the adjusting shaft (47) is connected with the inner top wall of the mounting frame (3) through a bearing seat (413).
4. The outdoor art design easel fixing device according to claim 2, wherein the side wall of the mounting frame (3) is provided with a limiting groove (411), a limiting block (412) is slidably arranged in the limiting groove (411), and the limiting block (412) is connected with the screw rod (49).
5. The outdoor art design easel fixing device according to claim 2, wherein the angle mechanism (5) comprises an angle motor (51), an output shaft of the angle motor (51) is connected with a first bevel gear (52), the first bevel gear (52) is meshed with a second bevel gear (53), the second bevel gear (53) is connected with an angle shaft (54), an angle block (55) is connected to the angle shaft (54) in a threaded manner, an angle rod (56) is arranged at the upper part of the angle block (55), and the angle rod (56) is hinged with the mounting plate (7).
6. An outdoor art design easel fixing device according to claim 1 or 5, wherein a stable matching groove (9) is arranged in the angle groove (8), a stable matching block (10) is arranged in the stable matching groove (9) in a sliding way, and the stable matching block (10) is connected with the angle block (55).
7. The outdoor art design easel fixing device according to claim 1, wherein the limiting mechanism (14) comprises a limiting box (141), a limiting plate (142) is slidably arranged in the limiting box (141), limiting posts (143) are symmetrically arranged on one side of the limiting plate (142), the two limiting posts (143) penetrate through the limiting box (141) to be fixedly and limitedly arranged with the clamping groove (13), and one side of the limiting plate (142) is connected with a pull post (144).
8. The outdoor art design easel fixing device according to claim 7, wherein the limiting spring (145) is sleeved on the limiting column (143), one end of the limiting spring (145) is connected with the limiting plate (142), and the other end of the limiting spring is connected with the limiting box (141).
9. The outdoor art design easel securing device according to claim 8, wherein the number of the restraining springs (145) is 2.
10. The outdoor art design easel securing device according to claim 7, wherein the pull posts (144) are provided with pull blocks (146).
CN202010406479.4A 2020-05-14 2020-05-14 Outdoor art design easel fixing device Active CN111568047B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010406479.4A CN111568047B (en) 2020-05-14 2020-05-14 Outdoor art design easel fixing device

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Application Number Priority Date Filing Date Title
CN202010406479.4A CN111568047B (en) 2020-05-14 2020-05-14 Outdoor art design easel fixing device

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CN111568047A true CN111568047A (en) 2020-08-25
CN111568047B CN111568047B (en) 2022-06-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112237107A (en) * 2020-10-20 2021-01-19 殷朝武 Ecological frame of afforestation with automatic watering structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106490841A (en) * 2016-10-25 2017-03-15 长江师范学院 A kind of drawing board bracket structure for realizing body support
CN107997373A (en) * 2017-12-04 2018-05-08 方正圆 A kind of drawing teaching multi-purpose type drawing table
CN109654340A (en) * 2019-01-08 2019-04-19 陕西理工大学 A kind of angle adjustment device for photography and vedio recording
CN110448051A (en) * 2019-09-03 2019-11-15 黄河水利职业技术学院 A kind of Home Fashion & Design Shanghai plot exhibits device
CN110731621A (en) * 2019-11-13 2020-01-31 常州斑马智能科技有限公司 supporting frame with adjustable function for cartoon design
CN110786639A (en) * 2019-11-18 2020-02-14 苏州经贸职业技术学院 Folding telescopic drawing frame for environmental art

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106490841A (en) * 2016-10-25 2017-03-15 长江师范学院 A kind of drawing board bracket structure for realizing body support
CN107997373A (en) * 2017-12-04 2018-05-08 方正圆 A kind of drawing teaching multi-purpose type drawing table
CN109654340A (en) * 2019-01-08 2019-04-19 陕西理工大学 A kind of angle adjustment device for photography and vedio recording
CN110448051A (en) * 2019-09-03 2019-11-15 黄河水利职业技术学院 A kind of Home Fashion & Design Shanghai plot exhibits device
CN110731621A (en) * 2019-11-13 2020-01-31 常州斑马智能科技有限公司 supporting frame with adjustable function for cartoon design
CN110786639A (en) * 2019-11-18 2020-02-14 苏州经贸职业技术学院 Folding telescopic drawing frame for environmental art

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112237107A (en) * 2020-10-20 2021-01-19 殷朝武 Ecological frame of afforestation with automatic watering structure
CN112237107B (en) * 2020-10-20 2024-02-06 广东雅净环保技术有限公司 Afforestation ecological stand with automatic watering structure

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