CN114224077A - Customized furniture design device based on data visualization - Google Patents

Customized furniture design device based on data visualization Download PDF

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Publication number
CN114224077A
CN114224077A CN202111545934.XA CN202111545934A CN114224077A CN 114224077 A CN114224077 A CN 114224077A CN 202111545934 A CN202111545934 A CN 202111545934A CN 114224077 A CN114224077 A CN 114224077A
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CN
China
Prior art keywords
rod
plate
wall
limiting
drawing board
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.)
Pending
Application number
CN202111545934.XA
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Chinese (zh)
Inventor
薛忆思
林秋丽
胡茜雯
方海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong University of Technology
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Guangdong University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong University of Technology filed Critical Guangdong University of Technology
Priority to CN202111545934.XA priority Critical patent/CN114224077A/en
Publication of CN114224077A publication Critical patent/CN114224077A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B27/00Drawing desks or tables; Carriers for drawing-boards
    • A47B27/02Adjustable drawing tables without balancing means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B27/00Drawing desks or tables; Carriers for drawing-boards
    • A47B27/14Adjustable underframes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B27/00Drawing desks or tables; Carriers for drawing-boards
    • A47B27/18Locking means, e.g. for locking inclination of board
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B81/00Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B95/00Fittings for furniture
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/02Devices for holding or supporting maps, drawings, or the like, including means for preventing rolling-up
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

The invention relates to the technical field of furniture design, in particular to a customized furniture design device based on data visualization, which comprises a storage box, wherein a supporting plate is arranged in the storage box in a sliding mode, a fixing rod is arranged on the outer wall of the supporting plate, a drawing board is arranged on the outer side of the fixing rod in a rotating mode, a supporting rod is arranged on the outer wall of one side of the drawing board in a rotating mode, clamping grooves distributed at equal intervals are formed in the supporting plate, the end portions of the supporting rods are matched with the clamping grooves, a limiting rod is arranged on the outer wall of the supporting plate, a sliding plate is arranged on the limiting rod in a sliding mode, and a fixing cylinder is arranged on the outer wall of the sliding plate. The invention can project the general shape of the customized furniture through the holographic projector on the device according to the description of a customer, so that a designer can know the idea of the customer more conveniently, and in the drawing process, the holographic projector can be always kept in a state of being vertical to the horizontal plane, so that the designer can carry out drawing operation while observing the holographic projector, and the use effect is better.

Description

Customized furniture design device based on data visualization
Technical Field
The invention relates to the technical field of furniture design, in particular to a customized furniture design device based on data visualization.
Background
With the continuous change of market demand, the customized furniture also becomes more and more an essential important component in modern home decoration, and the customized furniture has the characteristics of being custom-made, environment-friendly, fashionable, professional and the like, and needs to be designed to a certain extent before the customized furniture is produced.
At present, in the design process of the drawing of the customized furniture, drawing and data labeling can be performed only according to the description of a customer, the description cannot be visualized, and the situation that the design scheme is inconsistent with the customer idea easily occurs, so that a design device of the customized furniture based on data visualization is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a customized furniture design device based on data visualization.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a customization furniture design device based on data visualization, includes the containing box, it is provided with the layer board to slide in the containing box, and the outer wall of layer board is provided with the dead lever, the outside of dead lever is rotated and is provided with the drawing board, one side outer wall of drawing board rotates and is provided with the bracing piece, set up the draw-in groove that the equidistance distributes on the layer board, and the tip and the draw-in groove of bracing piece agree with mutually, the outer wall of layer board is provided with the gag lever post, and slides on the gag lever post and be provided with the slide, the outer wall of slide is provided with solid fixed cylinder, and the activity is provided with the movable rod in the solid fixed cylinder, the tip of movable rod is provided with holographic projection appearance, one side outer wall of drawing board is provided with the installation pole, and the outer wall rotation of installation pole is provided with the support frame, fixed connection between the tip of support frame and the holographic projection appearance still includes:
the clamping mechanism is arranged on the drawing board and used for clamping the drawing on the drawing board;
the limiting mechanism is arranged on the containing box and used for limiting the position of the supporting plate;
and the buffer mechanism is arranged in the containing box and is used for carrying out buffer operation when the drawing board is contained.
As a still further scheme of the invention: the clamping mechanism comprises sliding grooves arranged on the outer walls of the two sides of the drawing board, sliding blocks are arranged in the sliding grooves in a sliding mode, the sliding blocks are adjacent to each other and connected through connecting rods, and moving clamping assemblies are arranged on the connecting rods.
As a still further scheme of the invention: the movable clamping assembly comprises a movable plate which is arranged on the connecting rod in a sliding mode, and a propping unit is arranged on the movable plate.
As a still further scheme of the invention: the supporting unit comprises a supporting rod penetrating through the moving plate, a supporting piece is arranged at one end of the supporting rod, a holding plate is arranged at the other end of the supporting rod, a first elastic piece is sleeved on the outer wall of the supporting rod, one end of the first elastic piece is connected with the holding plate, and the other end of the first elastic piece is connected with the moving plate.
As a still further scheme of the invention: the limiting mechanism comprises limiting blocks penetrating through the outer walls of the two sides of the containing box, pull plates are arranged at the end portions of the limiting blocks, elastic pieces II are sleeved on the outer walls of the limiting blocks, one ends of the elastic pieces II are connected with the pull plates, the other ends of the elastic pieces II are connected with the containing box, and limiting grooves matched with the other ends of the limiting blocks are formed in the outer walls of the two sides of the supporting plate.
As a still further scheme of the invention: and an oblique chamfer is formed at one side edge of the limiting block close to the buffer mechanism.
As a still further scheme of the invention: the buffer mechanism comprises a third elastic piece arranged on the inner wall of the containing box, and a buffer plate is arranged at the end part of the third elastic piece.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a customized furniture design device based on data visualization, which can project the general shape of the customized furniture through a holographic projector on the device according to the description of a customer, so that the designer can more conveniently know the idea of the customer, in the drawing process, the inclination angle of a drawing board can be conveniently adjusted through the matching of a support rod and different clamping grooves, in the adjusting process, a sliding plate can slide on a limit rod, a movable rod can slide in a fixed cylinder, so that the holographic projector can always keep the state vertical to the horizontal plane, the designer can more conveniently carry out drawing operation while observing, a clamping mechanism on the drawing board can fix drawings with different sizes, a supporting plate for supporting the drawing board can be limited at the box opening of a containing box through the limit mechanism, the effect of lifting the drawing board is achieved, after the drawing is finished, can relieve the restriction to the layer board through stop gear for layer board and drawing board are accomodate to the containing box together, and move down the in-process at the layer board, can play certain cushioning effect through buffer gear, effectively avoid holographic projector to take place to damage, and the result of use is better.
Drawings
Fig. 1 is a schematic cross-sectional structural diagram of a customized furniture design device based on data visualization according to an embodiment of the present invention;
fig. 2 is an enlarged schematic structural diagram of a clamping mechanism of a customized furniture design device based on data visualization according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a clamping mechanism of a customized furniture design device based on data visualization according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a limiting mechanism of a customized furniture design device based on data visualization according to an embodiment of the present invention.
In the figure: 1-containing box, 2-buffer mechanism, 3-supporting plate, 4-clamping groove, 5-fixed rod, 6-clamping mechanism, 7-drawing board, 8-supporting rod, 9-mounting rod, 10-holographic projector, 11-supporting frame, 12-movable rod, 13-fixed cylinder, 14-sliding plate, 15-limiting mechanism, 16-limiting rod, 17-sliding groove, 18-sliding block, 19-connecting rod, 20-moving plate, 21-resisting rod, 22-holding plate, 23-elastic piece I, 24-stopping block, 25-resisting piece, 26-limiting block, 27-pulling plate, 28-elastic piece II, 29-limiting groove, 30-moving clamping component, 31-resisting unit, 32-elastic piece III, 33-buffer plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
As shown in FIG. 1, a customized furniture design device based on data visualization is provided for an embodiment of the present invention, which includes a storage box 1, a supporting plate 3 is slidably disposed in the storage box 1, a fixing rod 5 is disposed on an outer wall of the supporting plate 3, a drawing board 7 is rotatably disposed on an outer side of the fixing rod 5, a supporting rod 8 is rotatably disposed on an outer wall of one side of the drawing board 7, slots 4 are disposed on the supporting plate 3 at equal intervals, end portions of the supporting rod 8 are engaged with the slots 4, a limiting rod 16 is disposed on an outer wall of the supporting plate 3, a sliding plate 14 is slidably disposed on the limiting rod 16, a fixed cylinder 13 is disposed on an outer wall of the sliding plate 14, a movable rod 12 is movably disposed in the fixed cylinder 13, a holographic projector 10 is disposed on an end portion of the movable rod 12, a mounting rod 9 is disposed on an outer wall of one side of the drawing board 7, a supporting frame 11 is rotatably disposed on an outer wall of the mounting rod 9, an end portion of the supporting frame 11 is fixedly connected with the holographic projector 10, further comprising:
the clamping mechanism 6 is arranged on the drawing board 7 and used for clamping the drawing on the drawing board 7;
the limiting mechanism 15 is arranged on the containing box 1, and is used for limiting the position of the supporting plate 3;
and a buffer mechanism 2, the buffer mechanism 2 being provided in the storage box 1, for performing a buffer operation when the drawing board 7 is stored.
The general shape of the customized furniture can be projected through the holographic projector 10 on the device according to the description of a customer, so that a designer can know the idea of the customer more conveniently, in the process of drawing, the inclination angle of the drawing board 7 can be adjusted conveniently through the matching of the support rod 8 and different clamping grooves 4, in the process of adjustment, the sliding plate 14 can slide on the limiting rod 16, the movable rod 12 can slide in the fixed cylinder 13, so that the holographic projector 10 can always keep a state vertical to the horizontal plane, so that the designer can carry out drawing operation while observing, the clamping mechanism 6 on the drawing board 7 can fix drawings with different sizes, the supporting plate 3 for lifting the drawing board 7 can be limited at the opening of the containing box 1 through the limiting mechanism 15, the effect of lifting the drawing board 7 is achieved, after drawing is finished, the limitation on the supporting plate 3 can be removed through the limiting mechanism 15, make layer board 3 and drawing board 7 accomodate to containing box 1 together in, save space more, and move the in-process down at layer board 3, can play certain cushioning effect through buffer gear 2, effectively avoid holographic projector 10 to take place to damage, the result of use is better.
Referring to fig. 2 and 3, as an embodiment of the present invention, the clamping mechanism 6 includes sliding grooves 17 formed on the outer walls of the two sides of the drawing board 7, sliding blocks 18 are slidably disposed in the sliding grooves 17, adjacent sliding blocks 18 are connected by a connecting rod 19, a movable clamping assembly 30 is disposed on the connecting rod 19, and the position of the sliding block 18 can be adjusted according to the length of the drawing.
Referring to fig. 2 and 3, as an embodiment of the present invention, the movable clamping assembly 30 includes a movable plate 20 slidably disposed on the connecting rod 19, the movable plate 20 is provided with a holding unit 31, and the movable plate 20 can slide on the connecting rod 19, so that the position of the holding unit 31 can be adjusted according to the width of the drawing, and the use is more flexible.
As an embodiment of the present invention, please refer to fig. 2 and 3, the abutting unit 31 includes an abutting rod 21 penetrating through the moving plate 20, one end of the abutting rod 21 is provided with an abutting member 25, the specific structure of the abutting member 25 is not limited, in this embodiment, preferably, the abutting member 25 is a rubber ball, the other end of the abutting rod 21 is provided with a holding plate 22, the outer wall of the abutting rod 21 is sleeved with a first elastic member 23, the specific structure of the first elastic member 23 is not limited, in this embodiment, preferably, the first elastic member 23 is a spring, one end of the first elastic member 23 is connected with the holding plate 22, and the other end of the first elastic member 23 is connected with the moving plate 20, the holding plate 22 is pulled, so that the first elastic member 23 is stretched, after the moving plate 20 moves to a proper position, the holding plate 22 can be released, the abutting member 25 at the end of the abutting rod 21 can clamp the drawing under the restoring action of the first elastic member 23, the use is very convenient.
As an embodiment of the present invention, please refer to fig. 4, the limiting mechanism 15 includes a limiting block 26 penetrating through outer walls of two sides of the containing box 1, an end of the limiting block 26 is provided with a pulling plate 27, and an outer wall of the limiting block 26 is sleeved with a second elastic member 28, and a specific structure of the second elastic member 28 is not limited.
As an embodiment of the present invention, please refer to fig. 4, an oblique chamfer is disposed on a side of the limiting block 26 close to the buffering mechanism 2, when the supporting plate 3 is lifted, the supporting plate 3 will contact with the oblique chamfer first, and the limiting block 26 can be pushed to move towards two sides directly, when the limiting block 26 is abutted to the limiting groove 29, the limiting block 26 can be automatically clamped into the limiting groove 29 under the resetting action of the second elastic element 28, so as to limit the supporting plate 3, and the use is very convenient.
Referring to fig. 1, as an embodiment of the present invention, the buffer mechanism 2 includes a third elastic member 32 disposed on the inner wall of the storage box 1, and the specific structure of the third elastic member 32 is not limited, in this embodiment, preferably, the third elastic member 32 is a spring, and an end of the third elastic member 32 is provided with a buffer plate 33, and when the supporting plate 3 falls, the buffer plate 33 contacts with the buffer plate 33 and causes the buffer plate 33 to compress the third elastic member 32, so that a certain buffer effect can be achieved, the holographic projector 10 is effectively prevented from being damaged, and the use effect is better.
When the device is used, the general shape of the customized furniture can be projected through the holographic projector 10 on the device according to the description of a customer, so that a designer can know the idea of the customer more conveniently, in the drawing process, the inclination angle of the drawing board 7 can be adjusted conveniently through the matching of the support rod 8 and different clamping grooves 4, in the adjusting process, the sliding plate 14 can slide on the limiting rod 16, the movable rod 12 can slide in the fixed cylinder 13, so that the holographic projector 10 can be kept in a state of being perpendicular to the horizontal plane all the time, the designer can carry out drawing operation while observing, the clamping mechanism 6 on the drawing board 7 can fix drawings with different sizes, the supporting plate 3 used for supporting the drawing board 7 can be limited at the box opening of the containing box 1 through the limiting mechanism 15, the effect of lifting the drawing board 7 is achieved, and after the drawing is finished, the limitation on the supporting plate 3 can be removed through the limiting mechanism 15, make layer board 3 and drawing board 7 accomodate to containing box 1 together in, and move the in-process down at layer board 3, can play certain cushioning effect through buffer gear 2, effectively avoid holographic projector 10 to take place to damage, the result of use is better.
It should be noted that although the present specification describes embodiments, not every embodiment includes only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims (7)

1. A customized furniture design device based on data visualization comprises a containing box, and is characterized in that a supporting plate is arranged in the containing box in a sliding manner, the outer wall of the supporting plate is provided with a fixed rod, the outer side of the fixed rod is rotatably provided with a drawing board, the outer wall of one side of the drawing board is rotatably provided with a supporting rod, the supporting plate is provided with clamping grooves which are distributed at equal intervals, the end part of the supporting rod is matched with the clamping groove, the outer wall of the supporting plate is provided with a limiting rod, the limiting rod is provided with a sliding plate in a sliding way, the outer wall of the sliding plate is provided with a fixed cylinder, a movable rod is movably arranged in the fixed cylinder, the end part of the movable rod is provided with a holographic projector, the outer wall of one side of the drawing board is provided with an installation rod, and the outer wall of installation pole rotates and is provided with the support frame, fixed connection still includes between the tip of support frame and the holographic projector:
the clamping mechanism is arranged on the drawing board and used for clamping the drawing on the drawing board;
the limiting mechanism is arranged on the containing box and used for limiting the position of the supporting plate;
and the buffer mechanism is arranged in the containing box and is used for carrying out buffer operation when the drawing board is contained.
2. The device for designing customized furniture based on data visualization of claim 1, wherein the clamping mechanism comprises sliding grooves formed on the outer walls of the two sides of the drawing board, sliding blocks are slidably arranged in the sliding grooves, adjacent sliding blocks are connected through a connecting rod, and a movable clamping assembly is arranged on the connecting rod.
3. The device of claim 2, wherein the movable clamping assembly comprises a movable plate slidably disposed on the connecting rod, and the movable plate is provided with a holding unit.
4. The device of claim 3, wherein the abutting unit comprises an abutting rod penetrating through the moving plate, an abutting member is arranged at one end of the abutting rod, a holding plate is arranged at the other end of the abutting rod, a first elastic member is sleeved on the outer wall of the abutting rod, one end of the first elastic member is connected with the holding plate, and the other end of the first elastic member is connected with the moving plate.
5. The customized furniture design device based on data visualization of claim 1, wherein the limiting mechanism comprises limiting blocks penetrating through outer walls of two sides of the storage box, pull plates are arranged at ends of the limiting blocks, the outer walls of the limiting blocks are sleeved with second elastic pieces, one ends of the second elastic pieces are connected with the pull plates, the other ends of the second elastic pieces are connected with the storage box, and limiting grooves matched with the other ends of the limiting blocks are formed in the outer walls of two sides of the supporting plate.
6. The customized furniture design device based on data visualization of claim 5, wherein a side of the limiting block near the buffering mechanism is provided with an oblique chamfer.
7. The custom furniture design device based on data visualization as claimed in claim 1, wherein the buffer mechanism comprises a third elastic member disposed on the inner wall of the storage box, and a buffer plate is disposed at an end of the third elastic member.
CN202111545934.XA 2021-12-16 2021-12-16 Customized furniture design device based on data visualization Pending CN114224077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111545934.XA CN114224077A (en) 2021-12-16 2021-12-16 Customized furniture design device based on data visualization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111545934.XA CN114224077A (en) 2021-12-16 2021-12-16 Customized furniture design device based on data visualization

Publications (1)

Publication Number Publication Date
CN114224077A true CN114224077A (en) 2022-03-25

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Application Number Title Priority Date Filing Date
CN202111545934.XA Pending CN114224077A (en) 2021-12-16 2021-12-16 Customized furniture design device based on data visualization

Country Status (1)

Country Link
CN (1) CN114224077A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210136566U (en) * 2019-03-12 2020-03-10 华东交通大学理工学院 Three-dimensional projection arrangement is used in college mathematics teaching
CN211659268U (en) * 2019-11-14 2020-10-13 梦之源(北京)科技有限公司 Children interactive doodle toy based on holographic imaging technology
CN212844364U (en) * 2020-06-24 2021-03-30 湖北高瞻科技有限责任公司 Balance car ramp of adjustable agent slope testing arrangement that rides
CN212878267U (en) * 2020-06-05 2021-04-06 南京林业大学 Multifunctional designer office table
CN112932075A (en) * 2021-02-08 2021-06-11 枣庄学院 Drawing board convenient to store for environmental art design
CN214548076U (en) * 2021-02-02 2021-11-02 三峡大学 Drawing auxiliary device for art design

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210136566U (en) * 2019-03-12 2020-03-10 华东交通大学理工学院 Three-dimensional projection arrangement is used in college mathematics teaching
CN211659268U (en) * 2019-11-14 2020-10-13 梦之源(北京)科技有限公司 Children interactive doodle toy based on holographic imaging technology
CN212878267U (en) * 2020-06-05 2021-04-06 南京林业大学 Multifunctional designer office table
CN212844364U (en) * 2020-06-24 2021-03-30 湖北高瞻科技有限责任公司 Balance car ramp of adjustable agent slope testing arrangement that rides
CN214548076U (en) * 2021-02-02 2021-11-02 三峡大学 Drawing auxiliary device for art design
CN112932075A (en) * 2021-02-08 2021-06-11 枣庄学院 Drawing board convenient to store for environmental art design

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