CN210553887U

CN210553887U - Fine arts training is drawn with portable toolbox

Info

Publication number: CN210553887U
Application number: CN201920929913.XU
Authority: CN
Inventors: 赵嗣发; 郑宇�
Original assignee: Jishou University Zhangjiajie College
Current assignee: Jishou University Zhangjiajie College
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-05-19
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a portable toolbox for painting and using in art training, which relates to the technical field of teaching tools, an inlet of a box body is articulated with an expandable cover plate, a drawing board clamping seat is arranged on the inner side surface of the expandable cover plate, a supporting inclined rod is articulated on the outer side surface of the expandable cover plate, a first sleeve is arranged on the front side surface and the rear side surface of the box body, a connecting rod with a jack is connected in the first sleeve in a sliding way, the bottom end of the supporting inclined rod is inserted on the connecting rod, a locking mechanism for locking the connecting rod is arranged on the first sleeve, the inlets of the front side surface and the rear side surface of the box body are both provided with a sliding groove along the horizontal direction, a sliding block is arranged in the sliding groove, the sliding block is connected with an articulated shaft arranged at the bottom of the expandable cover plate, a storage mechanism is also arranged at the inlet of the box body, but also can expand the integral design of the cover plate and the box body, and is convenient for carrying in trip.

Description

Fine arts training is drawn with portable toolbox

Technical Field

The utility model relates to a teaching aid technical field, concretely relates to fine arts training is written with portable toolbox.

Background

When painting from life in fine arts training, often need the mr to take the student to walk to the nature or go to look for the material and the painting inspiration of drawing in the open air, this will be with regard to carrying drawing toolbox and drawing board, in prior art, some drawing boards and drawing toolboxes are partd, relatively take up space, the difficulty of carrying has been increased, it is whole connection with the toolbox to write for some, but storage space is limited, can not save a large amount of drawing articles for use, consequently design a large capacity fine arts training and write with portable toolbox, and has very big practical value.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem among the prior art, provide a fine arts training is with portable toolbox.

The utility model provides a portable toolbox for art training and sketching, which comprises a box body, wherein an inlet of the box body is articulated with an expandable cover plate, the inner surface of the expandable cover plate is provided with a drawing board clamping seat, the outer surface of the expandable cover plate is articulated with a height-adjustable supporting inclined rod, the front side surface and the back side surface of the box body are both provided with a transverse first sleeve, the first sleeve is internally and slidably connected with a connecting rod, the connecting rod is provided with a jack, the bottom end of the supporting inclined rod is inserted on the connecting rod, the first sleeve is provided with a locking mechanism for locking the connecting rod, the inlets of the front side surface and the back side surface of the box body are both provided with a sliding groove along the horizontal direction, a sliding block is arranged in the sliding groove, the sliding block is connected with an articulated shaft arranged at the bottom of the expandable cover plate, the inlet of the box body, the rear side of the storage box is hinged with the rear side face of the box body through a second hinge part, the bottom face of the turnover outer cover is hinged to the right edge of the box body inlet, the turnover outer cover and the expandable cover plate cover the box body inlet to jointly form the top face of the box body, and the turnover outer cover is connected with the expandable cover plate through a buckle after being covered.

Preferably, the bottom of box is equipped with height-adjustable mechanism, height-adjustable mechanism is including the universal wheel that has brake function, bracing piece and supporting leg, the universal wheel is connected with the lower extreme of bracing piece, the upper end of bracing piece is connected with the supporting leg lower extreme, the upper end of supporting leg links to each other with the bottom half, the bottom of supporting leg is equipped with the recess, the upper end of bracing piece links to each other with the one end of spring, the spring other end links to each other with the top of recess, be equipped with the connecting hole on the right side wall of recess bottom, be equipped with a plurality of tenons that are used for spacingly on the bracing piece, the supporting leg.

Preferably, the expandable cover plate comprises a first cover plate, a second cover plate and a first bolt, the first cover plate is a hollow plate, the second cover plate is sleeved in the first cover plate, the two adjacent cover plates are connected in a sliding mode, the front side face and the rear side face of the first cover plate are provided with a plurality of threaded holes in the vertical direction, the front side face and the rear side face of the second cover plate are provided with a plurality of grooves in the vertical direction, the bolt penetrates through the threaded hole in the first cover plate and is connected with the grooves in the second cover plate, the outer surface of the first cover plate is hinged to the upper end of the supporting diagonal rod through a hinged shaft, the bottom of the first cover plate is provided with a hinged shaft connected with the sliding block, the drawing board is clamped on the inner surface of the first cover plate, and the outer surface of the first cover plate and the turnable cover.

Preferably, the supporting diagonal rod comprises a loop bar and a second sleeve, the second sleeve is sleeved outside the loop bar, the second sleeve and the loop bar are connected through threads to lock the set length, the upper end of the loop bar is hinged to the outer side face of the expandable cover plate, the lower end of the second sleeve is connected with a slot in the connecting rod in an inserting mode, and the lower end of the loop bar is connected with the upper end of the second sleeve in a threaded mode.

Preferably, the box upper end is equipped with the joint and detains, and the joint that the joint was detained and is equipped with on the expanded apron is connected.

Preferably, two opposite side surfaces of the box body are respectively provided with a buckle, and the buckles are connected with the straps.

Preferably, the first hinge member and the second hinge member are both two.

Preferably, the front side of the storage box is provided with a magnet, the inner side of the front side of the turnover outer cover is provided with an iron sheet, and the magnet is connected with the iron sheet.

Preferably, one end of the first hinge element is hinged to the front side surface of the storage box, the other end of the first hinge element is hinged to the right side surface of the inner wall of the box body, one end of the second hinge element is hinged to the rear side surface of the storage box, and the other end of the second hinge element is hinged to the right side surface of the inner wall of the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an expanded apron that box upper end set up and storage mechanism greatly increased the storing space of toolbox, it stores the mechanism including storing up and accomodates the box and can overturn the enclosing cover to be equipped with storage on the box, can overturn the enclosing cover and can expand the top surface of constituteing the box after the apron lid closes, can overturn the enclosing cover and can expand hasp connection between the apron and open, the expanded apron on the box overturns, the support can regard as the drawing board, store up the box all articulated with the medial surface of box through first articulated elements and second articulated elements at the back, it can remove along first articulated elements and second articulated elements in the box to store up the box, the storage demand has been satisfied.

2. The utility model discloses a height-adjustable mechanism is installed to the bottom half for fine arts training is drawn with portable toolbox homoenergetic and is used under the relief condition of difference, sets up universal wheel and the braces that has brake function simultaneously, can promote and back of the body move the toolbox, uses manpower sparingly.

3. The utility model discloses the setting supports down tube, connecting rod and slot and is used for supporting expanded apron, sets up articulated shaft, slide bar, sliding tray and is used for adjusting the service distance and the angle of expanded apron, and simultaneously expanded apron is fit for different drawing sizes's drawing requirement because it has expanded performance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a schematic view of the height-adjustable supporting diagonal rod of the present invention.

Fig. 5 is a schematic view of the height adjusting device of the present invention.

Description of reference numerals:

1. a box body; 2. an expandable cover plate; 201. a first drawing board; 202. a second drawing board; 203. a second bolt; 3, a drawing board clamping seat; 4. a height-adjustable support diagonal; 401. a loop bar; 402. a second sleeve; 5. a first sleeve; 6. a connecting rod; 7. a locking mechanism; 8. a chute; 9. a slider; 10. a storage mechanism; 1001. storing the box; 1002. the outer cover can be turned over; 1003. a first hinge member; 11. a hasp; 12. a height adjustable mechanism; 1201. a universal wheel; 1202. a support bar; 1203. supporting legs; 1204. a spring; 1205. riveting; 13. a clamping buckle; 14. a clamping head; and 15, buckling.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the utility model provides a portable toolbox for art training and sketching, an inlet of a box body 1 is hinged with an expandable cover plate 2, an inner surface of the expandable cover plate 2 is provided with a drawing board clamping seat 3, an outer surface of the expandable cover plate 2 is hinged with a height-adjustable supporting diagonal rod 4, a front side surface and a rear side surface of the box body 1 are both provided with a transverse first sleeve 5, a connecting rod 6 is connected in the first sleeve 5 in a sliding way, the connecting rod 6 is provided with a jack, the bottom end of the supporting diagonal rod 4 is inserted on the connecting rod 6, the first sleeve 5 is provided with a locking mechanism 7 for locking the connecting rod 6, inlets of the front side surface and the rear side surface of the box body 1 are both provided with a chute 8 along a horizontal direction, a slide block 9 is arranged in the chute 8, the slide block 9 is connected with a hinged shaft arranged at the bottom of the expandable cover plate, the front side of the storage box 1001 is hinged to the front side face of the box body 1 through a first hinge part 1003, the rear side of the storage box 1001 is hinged to the rear side face of the box body 1 through a second hinge part, the bottom face of the turnover outer cover 1002 is hinged to the right edge of the inlet of the box body 1, the turnover outer cover 1002 and the expandable cover plate 2 are covered on the inlet of the box body 1 to jointly form the top face of the box body 1, and the turnover outer cover 1002 is connected with the expandable cover plate 2 through a buckle 11 after being covered.

In this embodiment, an expandable cover plate 2 and a storage mechanism 10 are installed at the entrance of a box body 1, the expandable cover plate 2 and a turnable outer cover 1002 form a box body top cover of the box body 1 after being turned, in order to satisfy that the box body 1 has enough storage space, a hinge shaft connected with a slider 9 is arranged at the bottom of the expandable cover plate 2, so that the expandable cover plate 2 can be turned at the entrance of the box body 1, the expandable cover plate 2 is slidably connected in an entrance chute 8 of the box body 1, because a drawing board needs to be carried during painting, a supporting diagonal rod 4 is hinged on the outer side surface of the expandable cover plate 2, a connecting rod 6 is slidably connected between the supporting diagonal rod 4 and a transverse first sleeve 5 arranged on the front side surface and the rear side surface of the box body 1, a jack is arranged on the connecting rod 6, the bottom end of the supporting diagonal rod 4 is inserted on the, be equipped with the locking mechanical system 7 that is used for locking connecting rod 6 on the first sleeve 5, length through adjustment locking mechanical system 7 adjustment connecting rod 6, a use angle and the position of use for adjusting expanded apron 2, satisfy the user to the position of use and the requirement of angle of drawing board when painting from life, be equipped with drawing board cassette 3 at the internal surface of box 1 simultaneously, drawing board cassette 3 card when being used for the drawing establishes the drawing board, the front side of storing box 1001 among the storage mechanism 10 is articulated through the leading flank of first articulated elements 1003 and box 1, the rear side of storing box 1001 is articulated through the trailing flank of second articulated elements and box 1, make storing box 1001 can rotate along the articulated shaft of first articulated elements 1003 and second articulated elements on box 1, guarantee that box 1 has the enough big storage space.

As shown in fig. 5, further, a height adjustable mechanism 12 is arranged at the bottom of the box body 1, the height adjustable mechanism 12 comprises a universal wheel 1201 with a braking function, a supporting rod 1202 and a supporting leg 1203, the universal wheel 1201 is connected with the lower end of the supporting rod 1202, the upper end of the supporting rod 1202 is connected with the lower end of the supporting leg 1203, the upper end of the supporting leg 1203 is connected with the bottom of the box body 1, a groove is formed in the bottom of the supporting leg 1203, the upper end of the supporting rod 1202 is connected with one end of a spring 1204, the other end of the spring 1204 is connected with the top end of the groove, a connecting hole is formed in the right side wall of the bottom end of the groove, a plurality of limiting mortises are formed in the supporting rod.

In this embodiment, install height-adjustable mechanism 12 through 1 bottom of box for fine arts training is drawn with portable toolbox homoenergetic and is used under the relief condition of difference, sets up the universal wheel that has brake function simultaneously, can promote the toolbox, has saved the manpower.

Further, the expandable cover plate 2 includes a first cover plate 201, a second cover plate 202 and a first bolt 203, the first cover plate 201 is a hollow plate, the second cover plate 202 is sleeved in the first cover plate 201, two adjacent cover plates are connected in a sliding manner, a plurality of threaded holes are formed in the front side surface and the rear side surface of the first cover plate 201 along the vertical direction, a plurality of grooves are formed in the front side surface and the rear side surface of the second cover plate 202 along the vertical direction, the bolt 203 penetrates through one threaded hole in the first cover plate 201 and is connected with the groove of the second cover plate 202, the outer surface of the first cover plate 201 is hinged to the upper end of the supporting diagonal rod 4 through a hinged shaft, a hinged shaft connected with the slider 9 is arranged at the bottom of the first cover plate 201, the drawing board clamping seat 3 is arranged on the inner surface of the first cover plate 201, and the outer surface of the first cover plate 201 is connected with the turnable outer cover 1002 through.

In this embodiment, when using, because during the drawing, the size of drawing board is not of uniform size, carry out the rigidity to the use size of first apron 201 and second apron 202 through first bolt 203, the screw thread that vertical direction was equipped with is all followed to the leading flank and the trailing flank of first apron 201, the leading flank and the trailing flank and the recess of second apron 202, bolt 203 pass first apron 201 on a screw hole and with the groove connection of second apron 202, requirement when satisfying the drawing.

As shown in fig. 4, further, the supporting diagonal rod 4 includes a sleeve rod 401 and a second sleeve 402, the second sleeve 402 is sleeved outside the sleeve rod 401, the second sleeve 402 and the sleeve rod 401 are connected by a screw thread to lock a set length, the upper end of the sleeve rod 401 is hinged to the outer side surface of the expandable cover plate 2, the lower end of the second sleeve 402 is inserted into the slot of the connecting rod 6, and the lower end of the sleeve rod 401 is connected by a screw thread to the upper end of the second sleeve 402.

Furthermore, the upper end of the box body 1 is provided with a clamping buckle 13, and the clamping buckle 13 is connected with a clamping joint 14 arranged on the expandable cover plate 2.

In this embodiment, through set up joint knot 13 in box 1 upper end, set up joint 14 on expanded apron 2, in order to satisfy expanded apron 2 can be better after the upset the lid close to box 1 entry on.

Furthermore, two opposite side surfaces of the box body 1 are respectively provided with a snap ring 15, and the snap rings 15 are connected with the braces.

Further, the first hinge 1003 and the second hinge are two.

Further, a magnet is disposed on the front side of the storage box 1001, and an iron plate is disposed on the inner side of the front side of the turnable cover and connected to the magnet.

In this embodiment, be two in first articulated elements 1003 and second articulated elements and be for making the connection between storage box 1001 and the box 1 more firm, be provided with magnet on the leading flank of storage box 1001, the leading flank inboard of the enclosing cover that can overturn be equipped with magnet assorted iron sheet, be fixed for keeping the horizontal direction to storage box 1001, use as the paintbox when satisfying the drawing.

Further, one end of the first hinge 1003 is hinged to the front side of the storage box 1001, the other end of the first hinge 1003 is hinged to the right side of the inner wall of the box 1, one end of the second hinge is hinged to the rear side of the storage box 1001, and the other end of the second hinge is hinged to the right side of the inner wall of the box 1.

The working principle is as follows: the utility model relates to a portable toolbox for art training and sketching, when in use, firstly, according to the height of the terrain, the height adjusting mechanism 12 arranged at the bottom of the box body 1 is adjusted, the support rod 1202 is provided with a plurality of mortises for limiting, the right side of the support leg 1203 is provided with a rivet 1205, the rivet 1205 passes through the connecting hole to be connected with the mortises, the mortise-tenon connection between the support rod 1202 and the support leg 1203 is opened, the support rod 1202 is pulled downwards by hand, because the upper end of the support rod 1202 is connected with the top end of the groove of the support leg 1203 by the spring 1204, when the support rod 1202 is pulled downwards or lifted upwards by hand, the support rod 1202 can move upwards and downwards, when the height of the support leg is adjusted to be at the same level with other three support legs, the rivet 1205 arranged at the right side of the, the bottom of the box body 1 is set to be at the same horizontal height, and the universal wheels 4 are fixed by the brake keys; secondly, when drawing, the hasp 13 which covers the opening of the reversible outer cover 1002 at the inlet of the box body 1 and the expandable cover plate 2 is opened, the bottom surface of the reversible outer cover 1002 is hinged on the right edge of the inlet of the box body 1, the reversible outer cover 1002 is outwards turned to leak the storage box 1001 and the first hinge part 1003, the design enables the box body 1 to completely leak, the storage height of the article is increased, meanwhile, two ends of the first hinge part 1003 are respectively hinged with the front side of the storage box 1001 and the front side surface of the inner wall of the box body 1, two ends of the second hinge part are respectively hinged with the rear side of the storage box 1001 and the rear side surface of the inner wall of the box body 1, the storage box 1001 is pulled by hand, the first hinge part 1003 and the second hinge part can be driven to rotate along the hinge shaft, the requirement of the article stored in the box body 1 on the height of the storage box 1001 is met, the front side surface of the storage box 1001 is, the magnet is connected with the iron sheet and used for fixing the position of the storage box 1001 in the horizontal direction, so that the pigment used when the storage box 1001 is used for storing paintings cannot turn over; the expandable cover plate 2 is covered at the left upper end of the box body 1 again, the bottom of the expandable cover plate 2 is connected with a sliding block 9 through a hinged shaft, the sliding block 9 is arranged in a sliding groove 8 at the left upper end of the box body 1, the expandable cover plate 2 can slide in the sliding groove 8, when a user sits at the right side of the box body 1, the requirement of the arm and the expandable cover plate 2 on the drawing distance is met, the using angle and the drawing distance of the expandable cover plate 2 are set through a supporting inclined rod 4 arranged on the outer surface of the expandable cover plate 2, the supporting inclined rod 4 is a length-adjustable mechanism, the top end of the supporting inclined rod 4 is hinged with the outer surface of the expandable cover plate 2, the other end of the supporting inclined rod 4 is inserted into a slot arranged on a connecting rod 6 for fixing the supporting inclined rod 4, the connecting rod 6 is sleeved in a sleeve 5, and the length of the connecting, the extensible cover plate 2 is used for meeting different use angles of the extensible cover plate 2, the connection rod 6 and the supporting diagonal rod 4 are jointly used for fixing and supporting the extensible cover plate 2, the drawing board clamping seat 3 is arranged on the inner side of the extensible cover plate 2, the L-shaped groove is formed in the drawing board clamping seat 3 and is used for fixing a drawing board during drawing, the extensible cover plate 2 comprises a first cover plate 201, a second cover plate 202 and a first bolt 203, a plurality of threaded holes are formed in the front side face and the rear side face of the first cover plate 201 in the vertical direction, a plurality of grooves are formed in the front side face and the rear side face of the second cover plate 202 in the vertical direction, the first bolt is a bolt with an L-shaped handle, adjacent hollow plates are fixed through bolts with the L-shaped handles, the extensible cover plate is suitable for different drawing requirements, after use is finished, the use length of the supporting diagonal rod 4 is adjusted, the supporting diagonal rod is detached, the expandable cover plate 2 is horizontally placed on the left side of the inlet of the box body 1, a plurality of grooves are arranged on the outer side of the connecting rod 6, a threaded through hole matched with the grooves is formed in the outer side of the sleeve 5 in the horizontal direction parallel to the box body 1, a bolt sequentially penetrates through the threaded through hole and any threaded groove to realize locking between the connecting rod 6 and the sleeve 5, the expandable cover plate 2 slides to the end part of the upper left end of the box body 1, a clamping buckle 13 arranged at the upper end of the box body 1 is connected with a clamping joint 14 arranged on the expandable cover plate 2 to fix the position of the expandable cover plate 2 after being turned over, so that the expandable cover plate 2 and the turnable outer cover 1002 are prevented from being loosened to cause gaps, the turnable outer cover 1002 is turned upwards and covers the right side of the inlet of the box body 1, the turned-over expandable cover plate 2 and the turnable outer cover 1002, the height of the universal wheels 1201 arranged at the bottom of the box body 1 is consistent, the buckles 15 are arranged on the two sides of the box body 1, the buckles 15 are connected with the straps, the box body 1 is moved in a back-carrying or pushing mode, physical strength is saved through the design, and the carrying is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable toolbox for art training sketching comprises a box body (1) and is characterized in that an inlet of the box body (1) is hinged with an expandable cover plate (2), a drawing board clamping seat (3) is arranged on the inner surface of the expandable cover plate (2), a height-adjustable supporting inclined rod (4) is hinged on the outer surface of the expandable cover plate (2), transverse first sleeves (5) are arranged on the front side surface and the rear side surface of the box body (1), a connecting rod (6) is connected in the first sleeves (5) in a sliding mode, jacks are arranged on the connecting rod (6), the bottom end of the supporting inclined rod (4) is connected onto the connecting rod (6) in a plugging mode, a locking mechanism (7) used for locking the connecting rod (6) is arranged on the first sleeves (5), sliding chutes (8) are arranged in the horizontal direction at the inlets of the front side surface and the rear side surface of, slider (9) are connected with the articulated shaft that expanded apron (2) bottom was equipped with, and box (1) entry still is equipped with stores up and receives mechanism (10), stores up and receives mechanism (10) including storing up and accomodate box (1001) and can overturn enclosing cover (1002), the front side that stores up and accomodate box (1001) is articulated through the leading flank of first articulated elements (1003) with box (1), and the rear side that stores up and accomodate box (1001) is articulated through the trailing flank of second articulated elements with box (1), the bottom surface that can overturn enclosing cover (1002) articulates on the right flank of box (1) entry, can overturn enclosing cover (1002) and expanded apron (2) lid and close the top surface that constitutes box (1) jointly on box (1) entry, and can overturn enclosing cover (1002) lid and close the back and be connected through hasp (11) with expanded apron (2).

2. The portable toolbox for art training and sketching as claimed in claim 1, wherein a height adjustable mechanism (12) is provided at the bottom of the case (1), the height adjustable mechanism (12) comprises a universal wheel (1201) with a braking function, a support rod (1202) and a support leg (1203), the universal wheel (1201) is connected with the lower end of the support rod (1202), the upper end of the support rod (1202) is connected with the lower end of the support leg (1203), the upper end of the support leg (1203) is connected with the bottom of the case (1), the bottom of the support leg (1203) is provided with a groove, the upper end of the support rod (1202) is connected with one end of a spring (1204), the other end of the spring (1204) is connected with the top end of the groove, a connecting hole is provided on the right side wall of the bottom end of the groove, a plurality of mortises for limiting are provided on the support rod (1202), the rivet (1205) passes through the connecting hole and is connected with the mortise.

3. The portable toolbox for art training and sketching as claimed in claim 1, wherein the expandable cover plate (2) comprises a first cover plate (201), a second cover plate (202) and a first bolt (203), the first cover plate (201) is a hollow plate, the second cover plate (202) is sleeved in the first cover plate (201), two adjacent cover plates are connected in a sliding manner, the front side surface and the rear side surface of the first cover plate (201) are both provided with a plurality of threaded holes along the vertical direction, the front side surface and the rear side surface of the second cover plate (202) are both provided with a plurality of grooves along the vertical direction, the bolt (203) penetrates through one threaded hole of the first cover plate (201) and is connected with the groove of the second cover plate (202), the outer surface of the first cover plate (201) is hinged with the upper end of the supporting diagonal rod (4) through a hinge shaft, the bottom of the first cover plate (201) is provided with a hinge shaft connected with the sliding block (9), the drawing board clamping seat (3) is arranged on the inner surface of the first cover plate (201), and the outer surface of the first cover plate (201) is connected with the turnable outer cover (1002) through the hasp (11) after being covered.

4. The portable toolbox for artistic training and sketching as claimed in claim 1, wherein the supporting diagonal rod (4) comprises a sleeve rod (401) and a second sleeve (402), the second sleeve (402) is sleeved outside the sleeve rod (401), the second sleeve (402) and the sleeve rod (401) are locked, the upper end of the sleeve rod (401) is hinged to the outer side surface of the expandable cover plate (2), the lower end of the second sleeve (402) is inserted into the slot on the connecting rod (6), and the lower end of the sleeve rod (401) is in threaded connection with the upper end of the second sleeve (402).

5. The portable tool box for artistic training and sketching as claimed in claim 1, wherein a snap fastener (13) is provided at an upper end of the box body (1), and the snap fastener (13) is connected with a snap joint (14) provided on the expandable cover plate (2).

6. The portable tool box for artistic training and sketching as claimed in claim 1, wherein the two opposite sides of the box body (1) are provided with buckles (15), and the buckles (15) are connected with the straps.

7. The portable tool box for artistic training and sketching as claimed in claim 1, wherein the first hinge member (1003) and the second hinge member are two.

8. The portable toolbox for painting training and sketching as claimed in claim 1, wherein a magnet is provided on a front side of the storage box (1001), and an iron plate is provided on an inner side of a front side of the reversible outer cover, and the magnet is connected with the iron plate.

9. The portable toolbox for art training and sketching as claimed in claim 1, wherein one end of the first hinge member (1003) is hinged to the front side of the storage box (1001), the other end of the first hinge member (1003) is hinged to the right side of the inner wall of the case body (1), one end of the second hinge member is hinged to the rear side of the storage box (1001), and the other end of the second hinge member is hinged to the right side of the inner wall of the case body (1).