阅读说明：本技术 一种方便携带的初高中学生用画架及其使用方法 (Portable easel for students in junior high schools and use method thereof ) 是由 钱卓逸 于 2021-10-14 设计创作，主要内容包括：本发明公开了一种方便携带的初高中学生用画架及其使用方法,属于绘画器材技术领域,该方便携带的初高中学生用画架包括折叠架、画板以及收纳盒,通过转动调节板以及位于矩形放置槽内的支撑板,并将支撑板与调节板上的调节槽相抵,使原本相互折叠在一起的状态变成稳定的三角形状态,不仅便于收纳,还可以改变调节板与桌面之间的角度,已达到适宜画画的倾斜角度,完成的水粉画结束后,拉动面板上的把手槽,使面板以连接臂与面板的接触点为支点进行旋转,并在滑块向第二固定座滑动的状态下实现面板的翻转,使画纸翻转至槽盒内,不仅便于收纳还不易刮花画面。(The invention discloses a portable easel for students in junior high schools and a using method thereof, belonging to the technical field of drawing equipment, the portable easel for students in early and middle schools comprises a folding frame, a drawing board and a storage box, and is characterized in that through rotating an adjusting plate and a supporting plate positioned in a rectangular placing groove, the supporting plate is abutted against the adjusting groove on the adjusting plate, so that the original state of mutually folding together is changed into a stable triangular state, the storage is convenient, the angle between the adjusting plate and the desktop can be changed, the inclination angle suitable for drawing is reached, and after the finished gouache is finished, the handle groove on the panel is pulled to enable the panel to rotate by taking the contact point of the connecting arm and the panel as a fulcrum, and realize the upset of panel under the gliding state of slider to the second fixing base, make the drawing paper upset to the inslot box, not only be convenient for accomodate still difficult scraping colored picture.)

1. A portable easel for students in the early and high schools and a using method thereof are characterized by comprising the following steps:

the folding rack (1) comprises a rectangular frame (101) placed on a table top, a mounting plate (102) located above the rectangular frame (101) and an adjusting plate (103) connected to the mounting plate (102) in a rotating mode, a first lifting piece used for adjusting the height is installed between the rectangular frame (101) and the mounting plate (102), a pull rod groove box (104) and a telescopic pull rod (106) capable of being pulled out of the pull rod groove box (104) are installed at the upper end of the adjusting plate (103), and a fixing piece is installed on the telescopic pull rod (106);

the drawing board (2) is placed on the adjusting plate (103) and is movably mounted between the mounting plate (102) and the fixing piece;

receiver (3), receiver (3) fixed mounting is in one side of drawing board (2), equal sliding connection has drawer (20) in width direction's both sides is followed in receiver (3).

2. The portable easel for students in early and high schools according to claim 1, wherein: first lifting member includes sleeve (4) of four corners of fixed mounting on rectangular frame (101) upper surface, each sliding tray (401) that link up mutually around all seting up on sleeve (4), sliding connection has slide bar (5) in sleeve (4), the one end that sleeve (4) were kept away from in slide bar (5) is in the same place with mounting panel (102) fixed mounting, the one end that slide bar (5) are located sleeve (4) is rotated through the round pin axle and is connected with turning block (6), turning block (6) are kept away from the one end of round pin axle and are installed support post (7), support post (7) and sliding tray (401) looks adaptation.

3. The portable easel for students in early and high schools according to claim 2, wherein: a clamping seat (8) is installed on the sliding rod (5) located on one side of the pin shaft, an L-shaped elastic sheet (9) is arranged in the clamping seat (8), and a first groove (601) and a second groove (602) are formed in one side, close to the L-shaped elastic sheet (9), of the rotating block (6).

4. The portable easel for students in early and high schools according to claim 1, wherein: open on mounting panel (102) and have rectangle standing groove (1021), one side that regulating plate (103) were kept away from in mounting panel (102) is rotated and is connected with backup pad (105), regulating plate (103) are close to one side equidistance of backup pad (105) and are opened regulating groove (1031), backup pad (105) offset with regulating plate (103) through regulating groove (1031).

5. The portable easel for students in early and high schools according to claim 1, wherein: the mounting includes and installs base (10) together with telescopic pull rod (106), install first fixing base (11) through the bolt on base (10), the welding has first annular plate (12) on first fixing base (11), is located the welding has second annular plate (13) on first fixing base (11) in first annular plate (12), sliding connection has track piece (14) in second annular plate (13), sliding connection has bolt (15) on track piece (14), and bolt (15) coaxial slip is in second annular plate (13), sliding connection has according to cap (16) in first annular plate (12), be connected with spring (17) between according to cap (16) and bolt (15).

6. The portable easel for students in early and high schools according to claim 5, wherein: drawing board (2) are including groove box (201), open on groove box (201) have with jack (2011) of bolt (15) looks adaptation, all inlay in the curb plate of both sides about groove box (201) and be equipped with strip rail (202), from top to bottom equal sliding connection has slider (203) in strip rail (202), rotates between a pair of slider (203) and is connected with panel (204), and is a pair of the one end that slider (203) were kept away from in strip rail (202) all installs second fixing base (205), and is a pair of the middle part rotation of both sides about second fixing base (205) passes through linking arm and panel (204) links together.

7. The portable easel for students in early and high schools according to claim 6, wherein: the panel (204) is internally provided with a magnetic plate (18), the panel (204) is magnetically adsorbed with a pressing strip (19), and one side of the panel (204) is provided with a handle groove (2041) convenient to turn.

8. A method of using a portable easel for students in early and middle schools according to any one of claims 1 to 7, comprising the steps of:

s1: the telescopic pull rod (106) is pulled to a proper height, the pressing cap (16) is pressed to enable the plug pin (15) to retract, the drawing board (2) is placed on the adjusting plate (103), and the pressing cap (16) is loosened to enable the plug pin (15) to be inserted into the jack (2011) for fixing the drawing board (2);

s2: the supporting plate (105) is rotated and abutted against an adjusting groove (1031) on the adjusting plate (103), so that a stable triangle is formed among the supporting plate (105), the adjusting plate (103) and the mounting plate (102), and an angle suitable for drawing is formed between the panel (204) and the desktop;

s3: the height of the sliding rod (5) in the sleeve (4) is adjusted according to the height of the student, so that the panel 204 is lifted or lowered;

s4: after the finished gouache is finished, the handle groove (2041) on the panel (204) is pulled, so that the panel (204) rotates by taking the contact point of the connecting arm and the panel (204) as a fulcrum, and the panel (204) is turned over under the condition that the sliding block (203) slides to the second fixed seat (205).

Technical Field

The invention belongs to the technical field of drawing equipment, and particularly relates to a portable easel for students in the junior high schools and a using method thereof.

Background

With the continuous improvement of living standard of people, more and more parents begin to choose to cultivate interests and hobbies of children. Among them, painting is one of favorite hobbies of children. In the process of drawing learning, sketching and watercolor painting need to use an easel to fix the drawing board and then draw on the drawing board, and the easel is an indispensable tool in art classes in junior and senior schools.

Utility model a utility model an easel structure of fine arts study usefulness of publication number CN210161845U discloses one kind can carry out angle modulation, and can fold, the easel structure of portable of being convenient for accomodate. The elevation angle of the supporting plate of the drawing board can be freely adjusted. The drawing board adjusting device is characterized in that one end of a main drawing board supporting plate is arranged at one end of a supporting sleeve, one end of an auxiliary drawing board supporting plate is arranged at the other end of the supporting sleeve, one end of a drawing board adjusting knob penetrates through the supporting sleeve, a fixing nut is sleeved at one end of a painter adjusting knob, a thread is arranged on the outer side of one end of the drawing board adjusting knob and is in threaded connection with the fixing nut, two ends of the fixing rod are respectively connected with the other end of the main drawing board supporting plate and the other end of the auxiliary drawing board supporting plate, the main drawing board supporting plate and the auxiliary drawing board supporting plate are parallel to each other, supporting plates respectively extend from two ends of the main drawing board supporting plate, supporting plates respectively extend from two ends of the auxiliary drawing board supporting plate, two annular grooves are formed in the supporting sleeve, and the annular grooves penetrate through the supporting sleeve.

Most of the easels used in the prior art are of fixed structures, the size is large, the easels are inconvenient to carry during learning and use, matched drawing boards are used simultaneously in drawing packages needing to be drawn when drawing is finished, and the painting packages are easy to scrape colored pictures if the painting packages are plugged due to the fact that gouache is not easy to dry thoroughly.

Disclosure of Invention

The invention aims to provide a portable easel for students in junior high schools and a using method thereof, and aims to solve at least one problem in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a portable easel for students in the early and high schools and a using method thereof comprise the following steps: folding leg, drawing board and receiver.

Wherein, the folding frame comprises a rectangular frame placed on the desktop, a mounting plate positioned above the rectangular frame and an adjusting plate rotationally connected on the mounting plate, the rectangular frame is arranged to play a supporting role, in order to enhance the stability of the rectangular frame, a cross beam can be connected in the rectangular frame, a baffle plate is integrally arranged on one side of the mounting plate close to the adjusting plate for supporting the bottom of the drawing board, a first lifting piece for adjusting the height is arranged between the rectangular frame and the mounting plate, the height can be adjusted through the height of a student through the arranged first lifting piece, a draw bar groove box and a telescopic draw bar which can be pulled out from the draw bar groove box are arranged at the upper end of the adjusting plate, a fixing piece is arranged on the telescopic draw bar, and the student can conveniently place the drawing board horizontally or vertically through the draw bar groove box, and fixed by a fixing piece.

Wherein, the drawing board is placed on the regulating plate, and movable mounting is between mounting panel and mounting, and the drawing board of setting includes the groove box and rotates the panel of being connected in the groove box, when the student draws the gouache, because gouache is difficult to dry thoroughly, if fill in into drawing the package and easily scrape the flower picture, nevertheless through rotatory panel now, make in drawing paper upset to the groove box, not only be convenient for accomodate still difficult scraping the flower picture.

Wherein, receiver fixed mounting is in one side of drawing board, the equal sliding connection in both sides of width direction has the drawer along the receiver, and the drawer that sets up has at least one, and the specification variation in size for the student to the accomodating of pencil, pigment pen and various instruments, when the drawing, pull open the drawer simultaneously, still make things convenient for the student in time to select and change with the pen.

As a preferable scheme of the invention, the first lifting member comprises sleeves fixedly installed at four corners of the upper surface of the rectangular frame, each sleeve is provided with a sliding groove which is communicated with the front and the back, a sliding rod is connected in the sleeve in a sliding manner, one end of the sliding rod, which is far away from the sleeve, is fixedly installed together with the installation plate, one end of the sliding rod, which is located in the sleeve, is rotatably connected with a rotating block through a pin shaft, one end of the rotating block, which is far away from the pin shaft, is provided with a support column, and the support column is matched with the sliding groove.

As a preferable scheme of the invention, a clamping seat is arranged on the sliding rod positioned on one side of the pin shaft, an L-shaped elastic sheet is arranged in the clamping seat, and a first groove and a second groove are formed in one side of the rotating block close to the L-shaped elastic sheet.

As a preferable scheme of the invention, the mounting plate is provided with a rectangular placing groove, one side of the mounting plate, which is far away from the adjusting plate, is rotatably connected with a supporting plate, one side of the adjusting plate, which is close to the supporting plate, is provided with adjusting grooves at equal intervals, and the supporting plate is abutted against the adjusting plate through the adjusting grooves.

As a preferable scheme of the invention, the fixing member comprises a base mounted together with the telescopic pull rod, a first fixing seat is mounted on the base through a bolt, a first annular plate is welded on the first fixing seat, a second annular plate is welded on the first fixing seat positioned in the first annular plate, a track block is connected in the second annular plate in a sliding manner, a bolt is connected in the track block in a sliding manner, the bolt coaxially slides in the second annular plate, a pressing cap is connected in the first annular plate in a sliding manner, and a spring is connected between the pressing cap and the bolt.

According to a preferable scheme of the invention, the drawing board comprises a groove box, the groove box is provided with jacks matched with the pins, strip-shaped rails are embedded in side plates on the upper side and the lower side of the groove box, sliding blocks are connected in the upper strip-shaped rail and the lower strip-shaped rail in a sliding manner, a panel is connected between the pair of sliding blocks in a rotating manner, second fixing seats are mounted at one ends of the pair of strip-shaped rails far away from the sliding blocks, and the pair of second fixing seats are connected with the middle parts of the upper side and the lower side of the panel in a rotating manner through connecting arms.

As a preferable scheme of the present invention, a magnetic plate is disposed inside the panel, a pressing strip is magnetically adsorbed on the panel, and a handle slot facilitating turning is formed on one side of the panel.

A use method of the easel convenient to carry for students in the early and high schools comprises the following steps:

s1: pulling the telescopic pull rod to a proper height, pressing the pressing cap to retract the plug pin, placing the drawing board on the adjusting plate, and loosening the pressing cap to insert the plug pin into the jack for fixing the drawing board;

s2: the supporting plate is rotated and is abutted against the adjusting groove on the adjusting plate, so that a stable triangle is formed among the supporting plate, the adjusting plate and the mounting plate, and an angle suitable for drawing is formed between the panel and the desktop;

s3: the height of the sliding rod in the sleeve is adjusted according to the height of the student, so that the panel is lifted or lowered;

s4: after the finished gouache is finished, the handle groove on the panel is pulled, so that the panel rotates by taking the contact point of the connecting arm and the panel as a fulcrum, and the panel is turned over when the sliding block slides towards the second fixed seat.

The invention has the beneficial effects that:

1. according to the invention, the adjusting plate and the supporting plate positioned in the rectangular placing groove are rotated, and the supporting plate is abutted against the adjusting groove on the adjusting plate, so that the original state of mutually folding together is changed into a stable triangular state, the storage is convenient, the angle between the adjusting plate and the desktop can be changed, and the inclination angle suitable for drawing is achieved.

2. According to the invention, the drawing board is placed on the adjusting plate, the bottom of the drawing board is supported by the integrally formed baffle plate on one side, close to the adjusting plate, of the mounting plate, the telescopic pull rod is pulled to a proper height, the pressing cap is pressed simultaneously, the pressing cap is stressed to downwardly extrude the spring, the track block is driven by the pressing cap to slide to one side, so that the bolt is pulled to upwardly move, the bolt is retracted, then the pressing cap is released, the bolt is inserted into the jack under the resilience effect of the spring, the upper end of the drawing board is fixed, and the drawing board is fixed more simply and conveniently.

3. The drawing paper is fixed through the adsorption between the pressing strip and the magnetic plate, and the drawing paper is not limited by the size of the drawing paper and has strong practicability.

4. After the finished gouache is finished, the handle groove on the panel is pulled, so that the panel rotates by taking the contact point of the connecting arm and the panel as a fulcrum, the panel is overturned in a sliding state of the sliding block towards the second fixing seat, and the drawing paper is overturned into the groove box, so that the storage is facilitated, and the pattern is not easy to scrape.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the folding leg structure of the present invention;

FIG. 5 is a schematic structural view of a first lifter according to the present invention;

FIG. 6 is a schematic view of the fastener of the present invention;

fig. 7 is a schematic cross-sectional structural view of a panel according to the present invention.

In the figure: 1. a folding frame; 101. a rectangular frame; 102. mounting a plate; 1021. a rectangular placing groove; 103. an adjusting plate; 1031. an adjustment groove; 104. a draw bar slot box; 105. a support plate; 106. a telescopic pull rod; 2. a drawing board; 201. a slot box; 2011. a jack; 202. a strip rail; 203. a slider; 204. a panel; 2041. a handle slot; 205. a second fixed seat; 3. a storage box; 4. a sleeve; 401. a sliding groove; 5. a slide bar; 6. rotating the block; 601. a first groove; 602. a second groove; 7. supporting columns; 8. a card holder; 9. an L-shaped elastic sheet; 10. a base; 11. a first fixed seat; 12. a first annular plate; 13. a second annular plate; 14. a track block; 15. a bolt; 16. pressing the cap; 17. a spring; 18. a magnetic plate; 19. layering; 20. a drawer.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-2, a portable easel for students in junior high schools and a using method thereof includes: folding leg 1, drawing board 2 and receiver 3.

Wherein, the folding frame 1 comprises a rectangular frame 101 placed on a desktop, a mounting plate 102 positioned above the rectangular frame 101 and an adjusting plate 103 rotatably connected on the mounting plate 102, the rectangular frame 101 is arranged to play a supporting role, in order to enhance the stability of the rectangular frame 101, a cross beam not shown can be connected in the rectangular frame 101, a baffle is integrally arranged on one side of the mounting plate 102 close to the adjusting plate 103 for supporting the bottom of the drawing board 2, a first lifting piece for adjusting the height is arranged between the rectangular frame 101 and the mounting plate 102, the height can be adjusted through the height of a student through the arranged first lifting piece, a draw bar slot box 104 and a telescopic draw bar 106 which can be pulled out from the draw bar slot box 104 are arranged at the upper end of the adjusting plate 103, a fixing piece is arranged on the telescopic draw bar 106, and the student can conveniently place the drawing board 2 horizontally or vertically by stretching the draw bar slot box 104, and fixed by a fixing piece.

Wherein, drawing board 2 is placed on regulating plate 103, and movable mounting is between mounting panel 102 and mounting, and the drawing board 2 of setting includes groove box 201 and rotates the panel 204 of connecting in groove box 201, when the student draws the gouache, because gouache is difficult to dry thoroughly, if fill in into drawing package content and easily scrape colored picture, nevertheless now through rotatory panel 204, make in drawing paper upset to groove box 201, not only be convenient for accomodate still difficult the picture of scraping.

Wherein, 3 fixed mounting of receiver in one side of drawing board 2, the equal sliding connection in both sides of width direction has drawer 20 receiver 3, and the drawer 20 of setting has at least one, and the specification variation in size for the student is to accomodating of pencil, pigment pen and various instruments, and when the drawing, pull open drawer 20 simultaneously, still makes things convenient for the student in time to select and change and use the pen.

Specifically, referring to fig. 1 and 5, the first lifting member includes sleeves 4 fixedly mounted at four corners of the upper surface of the rectangular frame 101, each sleeve 4 is provided with a sliding groove 401 which is through from front to back, the sliding groove 401 includes a linear groove for direct sliding and a sawtooth groove for fixing located at one side of the linear groove, the sleeve 4 is connected with a sliding rod 5 in a sliding manner, one end of the sliding rod 5 far away from the sleeve 4 is fixedly mounted with the mounting plate 102, one end of the sliding rod 5 located in the sleeve 4 is connected with a rotating block 6 in a rotating manner through a pin shaft, one end of the rotating block 6 far away from the pin shaft is provided with a support post 7, the support post 7 is adapted to the sliding groove 401, the prop 7 is shifted into the linear groove, the slide bar 5 is pulled to carry out position lifting, after the position is determined, the support column 7 is fixed in the sawtooth groove on one side of the linear groove, and the limit of the support column 7 through the sawtooth groove achieves the fixing effect.

Specifically, referring to fig. 5, a clamping seat 8 is installed on the sliding rod 5 located at one side of the pin shaft, an L-shaped elastic piece 9 is installed in the clamping seat 8, the L-shaped elastic piece 9 is inclined towards the resisting column 7 under the condition of no stress, a first groove 601 and a second groove 602 are opened at one side of the rotating block 6 close to the L-shaped elastic piece 9, a notch of the first groove 601 is larger than a notch of the second groove 602, when the resisting column 7 is fixed in the sawtooth groove, because the L-shaped elastic piece 9 is inclined towards the resisting column 7 under the condition of no stress, the rotating block 6 can move to the top of the sliding groove 401 and clamp the L-shaped elastic piece 9 in the second groove 602, the resisting column 7 is fixed in the linear groove under the effect of the L-shaped elastic piece 9, thereby performing the lifting adjustment.

Specifically, referring to fig. 2, a rectangular placing groove 1021 is formed in the mounting plate 102, a supporting plate 105 is rotatably connected to one side of the mounting plate 102 away from the adjusting plate 103, the specification of the supporting plate 105 is matched with the rectangular placing groove 1021, the supporting plate 105 can be accommodated in the rectangular placing groove 1021 when not in use, adjusting grooves 1031 are formed in one side of the adjusting plate 103 close to the supporting plate 105 at equal intervals, the supporting plate 105 abuts against the adjusting plate 103 through the adjusting grooves 1031, and the supporting plate 105 abuts against the adjusting grooves 1031 at different positions through the supporting plate 105, so that the angle between the adjusting plate 103 and the desktop is changed, and the inclination angle suitable for drawing is achieved.

Specifically, referring to fig. 6, the fixing member includes a base 10 mounted with a telescopic rod 106, a first fixing seat 11 is mounted on the base 10 through bolts, a first annular plate 12 is welded on the first fixing seat 11, a second annular plate 13 is welded on the first fixing seat 11 positioned in the first annular plate 12, a track block 14 is slidably connected in the second annular plate 13, a bolt 15 is slidably connected on the track block 14, the bolt 15 coaxially slides in the second annular plate 13, a pressing cap 16 is slidably connected in the first annular plate 12, a spring 17 is connected between the pressing cap 16 and the bolt 15, through holes facilitating sliding of the bolt 15 are not shown in the first fixing seat 11 and the base 10, the track block 14 is arranged in a zigzag shape, both sides of the track block 14 contacting with the pressing cap 16 are inclined, facilitating pressing sliding, the spring 17 is arranged to upwardly support the pressing cap 16 in a natural state, the latch 15 is pressed downwards, the pressing cap 16 presses the spring 17 downwards in the pressed state, the track block 14 is driven by the pressing cap 16 to slide to one side, and therefore the latch 15 is pulled to move upwards.

Specifically, referring to fig. 2 and 3, the drawing board 2 includes a slot box 201, a jack 2011 adapted to the plug 15 is opened on the slot box 201, when the plug 15 moves upward, the fixing of the drawing board 2 is released, the side plates on the upper and lower sides of the slot box 201 are embedded with the bar rails 202, the upper and lower bar rails 202 are connected with the sliders 203 in a sliding manner, the pair of sliders 203 are connected with the panel 204 in a rotating manner, the second fixing seats 205 are installed on the ends of the pair of bar rails 202 far away from the sliders 203, the pair of second fixing seats 205 are connected with the middle portions of the upper and lower sides of the panel 204 in a rotating manner through the connecting arm, the panel 204 is pulled to rotate the panel 204 with the contact point of the connecting arm and the panel 204 as a fulcrum, and the panel 204 is turned over in a state that the slider 203 slides towards the second fixing seats 205.

Specifically, referring to fig. 7, a magnetic plate 18 is disposed inside the panel 204, a pressing strip 19 is magnetically adsorbed on the panel 204, a handle groove 2041 for facilitating turning is formed on one side of the panel 204, the handle groove 2041 facilitates the student to pull the panel 204, and the pressing strip 19 is adsorbed on the magnetic plate 18 to fix the drawing paper.

A use method of the easel convenient to carry for students in the early and high schools comprises the following steps:

s1: the telescopic pull rod 106 is pulled to a proper height, the pressing cap 16 is pressed, the pressing cap 16 is forced to downwards extrude the spring 17, the track block 14 is driven by the pressing cap 16 to slide to one side, the bolt 15 is pulled to upwards move, the bolt 15 is retracted, the drawing board 2 is placed on the adjusting plate 103, the pressing cap 16 is loosened, the bolt 15 is inserted into the insertion hole 2011 under the resilience effect of the spring 17, and the drawing board 2 is fixed;

s2: rotating the support plate 105 and abutting against the adjustment groove 1031 on the adjustment plate 103 to form a stable triangle among the support plate 105, the adjustment plate 103 and the mounting plate 102, and to form an angle suitable for drawing between the panel 204 and the desktop;

s3: the height of the sliding rod 5 in the sleeve 4 is adjusted according to the height of a student, the prop 7 is pushed into the linear groove, the sliding rod 5 is pulled to lift, after the position is determined, the prop 7 is fixed in the sawtooth groove on one side of the linear groove, the limit of the prop 7 is fixed through the sawtooth groove, and therefore the panel 204 is lifted or lowered;

s4: after the finished gouache is finished, the handle groove 2041 on the panel 204 is pulled, so that the panel 204 rotates with the contact point of the connecting arm and the panel 204 as a fulcrum, and the panel 204 is turned over in a state that the slider 203 slides towards the second fixed seat 205.

The working principle is as follows:

the device is placed on a desk of a student, an adjusting plate 103 and a supporting plate 105 positioned in a rectangular placing groove 1021 are rotated, the supporting plate 105 is abutted against an adjusting groove 1031 on the adjusting plate 103, so that the angle between the adjusting plate 103 and a desktop is changed, the inclination angle suitable for drawing is achieved, a drawing board 2 is placed on the adjusting plate 103, the bottom of the drawing board 2 is supported by a baffle integrally formed on one side of the mounting plate 102 close to the adjusting plate 103, a telescopic pull rod 106 is pulled to a proper height, a pressing cap 16 is pressed at the same time, the pressing cap 16 is forced to downwards press a spring 17, a track block 14 is driven by the pressing cap 16 to slide to one side, so that a bolt 15 is pulled to move upwards, the bolt 15 is retracted, the pressing cap 16 is loosened, the bolt 15 is inserted into a jack 2011 under the resilience effect of the spring 17 to fix the upper end of the drawing board 2, drawing paper is placed on a panel 204 and is adsorbed and fixed through a pressing strip 19, and after the finished gouache is finished, the handle groove 2041 on the panel 204 is pulled, so that the panel 204 rotates with the contact point of the connecting arm and the panel 204 as a fulcrum, and the panel 204 is turned over when the slider 203 slides towards the second fixing seat 205, so that the drawing paper is turned into the slot box 201, and the drawing paper is convenient to store and is not easy to scrape a pattern.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.