CN217917444U - Portable drawing box for art design - Google Patents

Abstract

The utility model discloses a portable drawing box for art design belongs to art design technical field, including drawing board, storage board, the drawing box body that is rectangle and inside cavity, drawing box body one side is equipped with the opening, is equipped with many first branch that are parallel to each other on the drawing box body inside wall, and first branch end all rotates and is equipped with first telescopic link, and the top drawing board of first telescopic link rotates to be connected, and the drawing board bottom still rotates and is equipped with many second telescopic links downwards; a plurality of second supporting rods which are parallel to each other are arranged on the inner side wall which is vertical to the first supporting rods, the tail ends of the second supporting rods are respectively rotatably provided with a third telescopic rod which is vertically upward, the top parts of the third telescopic rods are respectively rotatably connected with the object placing plate, and the bottom of the object placing plate is also rotatably provided with a plurality of fourth telescopic rods; the outer side wall of the drawing box body is provided with a plurality of universal wheels and a stretchable handle; a baffle plate for sealing the opening is arranged at one position of the opening of the drawing box body; the device is convenient for artists to carry the drawing board and the object placing board when the artists go out to paint from life, and the carrying time is shortened.

Description

Portable drawing box for art design

Technical Field

The utility model belongs to the technical field of art design, concretely relates to portable drawing case is used in art design.

Background

In the process of practice and study, a large amount of copying, hand drawing and sketching are generally required for the students in the art, and it is essential to carry corresponding painters to go out in the process. The existing easels, storage racks and stools are independent, and when people go out to a destination, the needed articles can be carried by carrying the easels from a vehicle for many times, which consumes time and labor.

For example, patent No. CN 109624595B, an easel for art design, which is convenient for ink to dry quickly when in use, but is not easy to store and move, and has no area for placing painting articles, which brings inconvenience when painting from life outdoors.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a portable drawing box is used in art design to solve the inconvenient problem of carrying the drawing board and putting the thing board of artist when going out.

In order to achieve the above purpose, the utility model provides a following technical scheme: a portable drawing box for art design comprises a drawing board, a storage board and a rectangular drawing box body which is hollow inside, wherein an opening is formed in one side of the drawing box body, a plurality of first supporting rods parallel to an inner bottom wall are arranged on the inner side wall of the drawing box body, the first supporting rods are parallel to each other, the tail ends of the first supporting rods are rotatably provided with vertically upward first telescopic rods, the tops of the first telescopic rods are rotatably connected with the drawing board, and one end of the bottom of the drawing board, far away from the first telescopic rods, is rotatably provided with a plurality of vertically downward second telescopic rods; a plurality of second support rods which are parallel to each other are further arranged on the other inner side wall of the drawing box body, the second support rods are parallel to each other, the inner side wall of each second support rod is perpendicular to the inner side wall of each first support rod, a third telescopic rod which is vertically upward is rotatably arranged at the tail end of each second support rod, the top of each third telescopic rod is rotatably connected with the storage plate, and a plurality of fourth telescopic rods which are vertically downward are rotatably arranged at one end, far away from the third telescopic rods, of the bottom of each storage plate; the outer side wall of the drawing box body is provided with a plurality of universal wheels, and the outer side wall opposite to the universal wheels is also provided with a stretchable handle; the flexible end of second telescopic link and fourth all is equipped with collapsible steadiness.

Furthermore, the tail end of the first support rod is in spherical hinge with the side wall of the first telescopic rod; the bottom of the drawing board is hinged with a first round hole seat, and the top of the first telescopic rod is in spherical hinge with the first round hole seat; a second round hole seat is hinged to one end, far away from the first round hole seat, of the bottom of the drawing board, and the top of the second telescopic rod is in spherical hinge with the second round hole seat; one end of the second round hole seat facing the first round hole seat is provided with a first open slot, the first open slot is matched with the diameter of the second telescopic rod and is communicated with the spherical hinge of the second round hole seat and the second telescopic rod; the tail end of the second support rod is in spherical hinge with the side wall of the third telescopic rod; the bottom of the object placing plate is hinged with a third round hole seat, and the top of the second telescopic rod is hinged with the third round hole seat in a spherical mode; a fourth round hole seat is hinged to one end, far away from the third round hole seat, of the bottom of the object placing plate, and the top of the fourth telescopic rod is hinged to the fourth round hole seat in a spherical mode; the second slotted has been seted up towards the one end of third round hole seat to the fourth round hole seat, and the second slotted and fourth telescopic link diameter adaptation, and with the spherical hinge department intercommunication of fourth round hole seat and fourth telescopic link.

Further, the stabilizing piece comprises a plurality of second sliding grooves which are vertically formed in the side wall of the second telescopic rod, and the plurality of second sliding grooves are uniformly distributed along the circumferential direction of the second telescopic rod; a second sliding block which vertically slides along the second sliding groove is arranged in each second sliding groove, and one end, far away from the bottom of each groove, of each second sliding block is hinged with a supporting column; the structure of the fixing piece at the tail end of the fourth telescopic rod is the same as that of the fixing piece at the tail end of the second telescopic rod.

Furthermore, transversely be equipped with first spout on setting up the inside wall of second branch, be equipped with a plurality of first sliders that match with second branch quantity in the first spout, the one end that the tank bottom was kept away from to first slider is connected with second branch.

Furthermore, a first clamping ring is further arranged between each second circular hole seat and each third circular hole seat at the bottom of the drawing board, and an opening is formed in one end, far away from the drawing board, of each first clamping ring; a second clamping ring is further arranged at the bottom of the object placing plate between each fifth round hole seat and each sixth round hole seat, and an opening is formed in one end, far away from the object placing plate, of each second clamping ring; the first clamping ring and the second clamping ring are made of elastic materials.

Further, the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod respectively comprise an inner rod, a middle rod and an outer rod which are hollow inside, a first thread ring is arranged on the inner wall of the outer rod, a second thread ring matched with the first thread ring is arranged on the outer wall of the middle rod, a third thread ring is arranged on the inner wall of the middle rod, and a fourth thread ring matched with the third thread ring is arranged on the outer wall of the inner rod; the first supporting rod is hinged to the outer rod side wall of the first telescopic rod, the first circular hole seat is hinged to the top of the inner rod of the first telescopic rod, the second circular hole seat is hinged to the top of the inner rod of the second telescopic rod, the third circular hole seat is hinged to the top of the inner rod of the third telescopic rod, the second supporting rod is hinged to the outer rod side wall of the third telescopic rod, and the fourth circular hole seat is hinged to the top of the inner rod of the fourth telescopic rod.

Furthermore, a baffle for sealing the opening is also arranged at one position of the opening of the drawing box body; the baffle is articulated with drawing case body opening part, and the one end of drawing case body opening part keeping away from articulated department is equipped with fixed stop's hasp, and the baffle is the elastic material that can roll up.

The beneficial effects of the utility model reside in that:

the utility model discloses be convenient for the artist go out to carry the drawing board when painting from life and put the thing board, needn't carry the drawing board alone after arriving the destination, put the thing board, shortened the transport time, can be so that the artist has more time to be used for the painting.

Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the specification which follows.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic bottom view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

fig. 4 is a partial schematic view of a first slot of the present invention;

fig. 5 is a partial schematic view of a second slot of the present invention.

The drawings are numbered as follows: drawing box body 1, opening 11, baffle 12, universal wheel 13, handle 14, first spout 15, first slider 16, drawing board 2, first round hole seat 21, second round hole seat 22, first fluting 221, first rand 23, put thing board 3, third round hole seat 31, fourth round hole seat 32, second fluting 321, second rand 33, first branch 4, first telescopic link 5, second telescopic link 6, second branch 7, third telescopic link 8, fourth telescopic link 9, steadiness 10, second spout 101, second slider 102, pillar 103.

Detailed Description

As shown in fig. 1 to 5, the utility model provides a portable drawing box for art design, including drawing box body 1, rectangular plate-shaped drawing board 2, object placing board 3 that are hollow inside and square, object placing board 3 surface is equipped with a plurality of areas for placing articles, drawing box body 1 one side is equipped with opening 11, the size that drawing board 2 and object placing board 3 merge is adapted with opening 11, be equipped with two first support rods 4 parallel with the inner bottom wall on the inside wall of drawing box body 1, two first support rods 4 are parallel to each other, the end of first support rod 4 is all rotated and is equipped with vertical upward first telescopic link 5, the top of first telescopic link 5 is all connected with drawing board 2 rotation, the end of drawing board 2 bottom that is far away from first telescopic link 5 is rotated and is equipped with two vertical downward second telescopic links 6; the other inner side wall of the drawing box body 1 is also provided with two second supporting rods 7 which are parallel to each other, the inner side wall of each second supporting rod 7 is perpendicular to the inner side wall of the corresponding first supporting rod 4, the tail ends of the corresponding second supporting rods 7 are respectively rotatably provided with a third telescopic rod 8 which is vertically upward, the top of each third telescopic rod 8 is rotatably connected with the corresponding object placing plate 3, one end, far away from the corresponding third telescopic rod 8, of the bottom of each object placing plate 3 is rotatably provided with two fourth telescopic rods 9 which are vertically downward, and the bottoms of the corresponding second telescopic rods 6 and the corresponding fourth telescopic rods 9 are respectively provided with a retractable stable piece 10; the first supporting rod 4 and the second supporting rod 7 are both away from the inner bottom wall of the drawing box body 1 for placing articles; set up two universal wheels 13 on drawing case body 1 lateral wall, universal wheel 13 is located outside the lateral wall that sets up second branch 7, still is equipped with outside the lateral wall just right with setting up universal wheel 13 and can tensile handle 14.

In the scheme, when an artist goes out, the artist only needs to carry a drawing box provided with the drawing board 2 and the object placing board 3, after the artist arrives at a destination, the baffle 12 is opened, the drawing board 2 is vertically stretched after the first telescopic rod 5 is upwards rotated, the drawing board 2 is outwards rotated by 180 degrees after being straightened, the drawing board 2 is vertically stretched downwards after being rotated, and the stable piece 10 at the bottom of the second telescopic rod 6 is abutted to the ground; after the drawing board 2 is unfolded, the third telescopic rod 8 is rotated upwards to be vertically stretched to extend, the third telescopic rod 8 is straightened and then the object placing board 3 is rotated 180 degrees outwards, the object placing board 3 is rotated and then the fourth telescopic rod 9 is straightened downwards, so that the stable part 10 at the bottom of the fourth telescopic rod 9 is abutted against the ground, and because the first support rod 4 and the second support rod 7 are at a certain distance from the inner bottom wall of the drawing box body 1, drawing objects can be placed in the drawing box body 1, and can be taken out and placed on the object placing board 3 when needed, so that an artist can draw pictures more conveniently; after using, withdraw steadiness spare 10, again with second telescopic link 6, fourth telescopic link 9 shortens the back and rotates, make second telescopic link 6 be close to the bottom of drawing board 2, fourth telescopic link 9 is close to the bottom of putting thing board 3 after, rotatory drawing board 2 again, put thing board 3, after shortening first telescopic link 5 again to the first telescopic link 5 of drawing box body internal rotation drive drawing board 2 and arrange drawing box body 1 in, after shortening fourth telescopic link 9 again to drawing box body internal rotation drive put thing board 3 and arrange drawing box body 1 in, finally stimulate baffle 12 with opening 11 seal can, the setting can tensile handle 14, universal wheel 13 is convenient for the artist and removes drawing box body 1.

The tail end of the first support rod 4 is in spherical hinge with the side wall of the first telescopic rod 5; the bottom of the drawing board 2 is hinged with a first round hole seat 21, and the top of the first telescopic rod 5 is hinged with the first round hole seat 21 in a spherical mode; a second round hole seat 22 is hinged to one end, far away from the first round hole seat 21, of the bottom of the drawing board 2, and the top of the second telescopic rod 6 is in spherical hinge with the second round hole seat 22; one end of the second round hole seat 22 facing the first round hole seat 21 is provided with a first open slot 221, the first open slot 221 is matched with the diameter of the second telescopic rod 6 and is communicated with the second round hole seat 22 and a spherical hinge of the second telescopic rod 6; the tail end of the second support rod 7 is hinged with the side wall of the third telescopic rod 8 in a spherical mode; the bottom of the object placing plate 3 is hinged with a third round hole seat 31, and the top of the second telescopic rod 6 is hinged with the third round hole seat 31 in a spherical manner; a fourth round hole seat 32 is hinged to one end of the bottom of the object placing plate 3, which is far away from the third round hole seat 31, and the top of the fourth telescopic rod 9 is in spherical hinge with the fourth round hole seat 32; a second slot 321 is formed in one end, facing the third circular hole seat 31, of the fourth circular hole seat 32, and the second slot 321 is matched with the diameter of the fourth telescopic rod 9 and communicated with the spherical hinge of the fourth circular hole seat 32 and the spherical hinge of the fourth telescopic rod 9.

In the scheme, the first telescopic rod 5 can be rotated vertically upwards by the spherical hinge rotation of the first telescopic rod 5 and the first support rod 4, then the first telescopic rod 5 is stretched upwards, the top of the first telescopic rod 5 rotates with the second round hole seat 22 in a spherical hinge manner when the drawing board 2 is rotated, the top of the second telescopic rod 6 rotates with the third round hole seat 31 in a spherical hinge manner when the second telescopic rod 6 is rotated, when the second telescopic rod 6 needs to be close to the drawing board 2, the second telescopic rod 6 is shortened, the second telescopic rod 6 is rotated towards the direction of the first telescopic rod 5, and the second telescopic rod 6 can enter the first open groove 221 and close to the bottom of the drawing board 2; when the third telescopic rod 8 is rotated, the third telescopic rod 8 can be turned upwards vertically by the spherical hinge rotation of the second support rod 7 on the side wall of the third telescopic rod 8, when the object placing plate 3 is rotated, the top of the third telescopic rod 8 and the fifth round hole seat are rotated in a spherical hinge manner, when the fourth telescopic rod 9 needs to be close to the object placing plate 3, the fourth telescopic rod is rotated towards the direction of the third telescopic rod 8, the fourth telescopic rod 9 can enter the second open groove 321 to be close to the bottom of the object placing plate 3, and the mode is convenient and quick when all the parts are rotated; need when the height of drawing board 2 is turned down to one side, shorten the telescopic link of turning down one end, the vertical downward and ground butt of all the needs all the time of telescopic link, first round hole seat 21, second round hole seat 22 is articulated with 2 bottoms of drawing board, fourth round hole seat 32, third round hole seat 31 with put the thing board 3 bottoms articulated, so can rotate and adjust certain angle, reach the inclination of adjusting drawing board 2, putting thing board 3 with this mode, make things convenient for the artist to use as required.

The stabilizing member 10 comprises three second sliding grooves 101 vertically formed in the side wall of the second telescopic rod 6, and the three second sliding grooves 101 are uniformly distributed along the circumferential direction of the second telescopic rod 6; a second sliding block 102 which vertically slides along the second sliding groove 101 is arranged in each second sliding groove 101, and a supporting column 103 is hinged to one end, far away from the bottom of each second sliding block 102, of each second sliding block; the steady piece 10 at the end of the fourth telescopic rod 9 has the same structure as the steady piece 10 at the end of the second telescopic rod 6.

In this scheme, after the telescopic link is straightened, make second slider 102 slide to the bottom of second spout 101, outwards pull pillar 103, make pillar 103 and ground butt, set up three pillar 103 and can make second telescopic link 6 butt more stable in ground, after finishing using, the second slider 102 that upwards slides pulls pillar 103 again, make pillar 103 be close to second spout 101 can.

First sliding grooves 15 are transversely formed in the inner side wall of the second supporting rod 7, first sliding blocks 16 matched with the second supporting rod 7 in number are arranged in the first sliding grooves 15, and one end, far away from the groove bottom, of each first sliding block 16 is connected with the second supporting rod 7.

In this scheme, put thing board 3 expansion back, to the one end slip first slider 16 of keeping away from drawing board 2, first slider 16 drives and puts thing board 3 and remove, can increase artists' area, the operation of being convenient for more.

A first clamping ring 23 is further arranged between each first round hole seat 21 and each second round hole seat 22 at the bottom of the drawing board 2, and one end opening 11 of the first clamping ring 23, which is far away from the drawing board 2, is provided with a first clamping ring; a second clamping ring 33 is further arranged at the bottom of the object placing plate 3 between each fourth round hole seat 32 and each fifth round hole seat, and the second clamping ring 33 is far away from an opening 11 at one end of the object placing plate 3; the first clamping ring 23 and the second clamping ring 33 are made of elastic materials.

In the scheme, after the second telescopic rod 6 is shortened and rotates to enter the first open slot 221, one end, far away from the first open slot 221, of the second telescopic rod 6 is clamped into the first clamping ring 23, so that the second telescopic rod 6 can be fixed at the bottom of the drawing board 2; after the fourth telescopic rod 9 is shortened and rotates to enter the second slot 321, the end, far away from the second slot 321, of the fourth telescopic rod 9 is clamped into the second clamping ring 33, so that the fourth telescopic rod 9 is fixed at the bottom of the object placing plate 3.

The first telescopic rod 5, the second telescopic rod 6, the third telescopic rod 8 and the fourth telescopic rod 9 respectively comprise an inner rod, a middle rod and an outer rod which are hollow inside, a first thread ring is arranged on the inner wall of the outer rod, a second thread ring matched with the first thread ring is arranged on the outer wall of the middle rod, a third thread ring is arranged on the inner wall of the middle rod, and a fourth thread ring matched with the third thread ring is arranged on the outer wall of the inner rod; the first support rod 4 is hinged to the outer rod side wall of the first telescopic rod 5, the first round hole seat 21 is hinged to the inner rod top of the first telescopic rod 5, the second round hole seat 22 is hinged to the inner rod top of the second telescopic rod 6, the third round hole seat 31 is hinged to the inner rod top of the third telescopic rod 8, the second support rod 7 is hinged to the outer rod side wall of the third telescopic rod 8, and the fourth round hole seat 32 is hinged to the inner rod top of the fourth telescopic rod 9.

In this scheme, when need tensile every telescopic link that corresponds, the well pole that will correspond the telescopic link is from outer pole rotation extension, and the pole is followed interior pole middle part rotation extension again with interior pole, takes the telescopic link that every correspondence of extension that this kind of mode can furthest, can furthest's shortening the telescopic link that corresponds when shortening, reduces to take up an area of space in drawing case body 1 with the telescopic link scaling.

A baffle plate 12 for sealing the opening 11 is also arranged at one position of the opening 11 of the drawing box body 1; the baffle 12 is hinged with the opening 11 of the painting box body 1, a lock catch (not shown in the figure) for fixing the baffle 12 is arranged at one end of the opening 11 of the painting box body 1 far away from the hinged part, and the baffle 12 is made of elastic materials capable of being rolled.

In this scheme, when need open drawing box body 1, separate baffle 12 from the hasp punishment, roll up baffle 12 again can, when needing to seal drawing box body 1, to hasp department expansion baffle 12, then pin baffle 12 and can seal, reduce drawing board 2, put the possibility that thing board 3 dropped.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (7)

1. The utility model provides a portable drawing case for art design, includes the drawing board, puts the thing board, is rectangle and inside hollow drawing case body, its characterized in that: an opening is formed in one side of the drawing box body, a plurality of first support rods parallel to the inner bottom wall are arranged on the inner side wall of the drawing box body, the first support rods are parallel to each other, a first telescopic rod which is vertically upward is rotatably arranged at the tail end of each first support rod, the top of each first telescopic rod is rotatably connected with the drawing board, and a plurality of second telescopic rods which are vertically downward are rotatably arranged at one end of the bottom of the drawing board, which is far away from the first telescopic rods; a plurality of second support rods which are parallel to each other are further arranged on the other inner side wall of the drawing box body, the second support rods are parallel to each other, the inner side wall of each second support rod is perpendicular to the inner side wall of each first support rod, a third telescopic rod which is vertically upward is rotatably arranged at the tail end of each second support rod, the top of each third telescopic rod is rotatably connected with the storage plate, and a plurality of fourth telescopic rods which are vertically downward are rotatably arranged at one end, far away from the third telescopic rods, of the bottom of each storage plate; the outer side wall of the drawing box body is provided with a plurality of universal wheels, and the outer side wall opposite to the universal wheels is also provided with a stretchable handle; the flexible end of second telescopic link and fourth all is equipped with collapsible steadiness.

2. The portable drawing box for art design according to claim 1, wherein: the tail end of the first support rod is in spherical hinge with the side wall of the first telescopic rod; the bottom of the drawing board is hinged with a first round hole seat, and the top of the first telescopic rod is hinged with the first round hole seat in a spherical manner; a second round hole seat is hinged to one end, far away from the first round hole seat, of the bottom of the drawing board, and the top of the second telescopic rod is in spherical hinge with the second round hole seat; one end of the second round hole seat facing the first round hole seat is provided with a first open slot, the first open slot is matched with the diameter of the second telescopic rod and is communicated with the spherical hinge of the second round hole seat and the second telescopic rod; the tail end of the second support rod is hinged with the side wall of the third telescopic rod in a spherical mode; the bottom of the object placing plate is hinged with a third round hole seat, and the top of the second telescopic rod is hinged with the third round hole seat in a spherical manner; a fourth round hole seat is hinged to one end, far away from the third round hole seat, of the bottom of the object placing plate, and the top of the fourth telescopic rod is hinged to the fourth round hole seat in a spherical mode; the second slotted has been seted up towards the one end of third round hole seat to the fourth round hole seat, and the second slotted and fourth telescopic link diameter adaptation, and with the spherical hinge department intercommunication of fourth round hole seat and fourth telescopic link.

3. The portable drawing box for art design according to claim 2, wherein: the fixing piece comprises a plurality of second sliding grooves which are vertically formed in the side wall of the second telescopic rod, and the plurality of second sliding grooves are uniformly distributed along the circumferential direction of the second telescopic rod; a second sliding block which vertically slides along the second sliding groove is arranged in each second sliding groove, and one end, far away from the bottom of each groove, of each second sliding block is hinged with a supporting column; the structure of the fixing piece at the tail end of the fourth telescopic rod is the same as that of the fixing piece at the tail end of the second telescopic rod.

4. The portable drawing box for art design according to claim 3, wherein: the inner side wall provided with the second supporting rods is provided with a transverse first sliding groove, a plurality of first sliding blocks matched with the second supporting rods in quantity are arranged in the first sliding groove, and one end, far away from the groove bottom, of each first sliding block is connected with the second supporting rods.

5. The portable drawing box for art design according to claim 4, wherein: a first clamping ring is further arranged between each second circular hole seat and each third circular hole seat at the bottom of the drawing board, and an opening is formed in one end, far away from the drawing board, of each first clamping ring; a second clamping ring is further arranged between each fifth round hole seat and each sixth round hole seat at the bottom of the article placing plate, and an opening is formed in one end, far away from the article placing plate, of each second clamping ring; the first clamping ring and the second clamping ring are made of elastic materials.

6. The portable drawing box for art design according to claim 5, wherein: the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod respectively comprise an inner rod, a middle rod and an outer rod which are hollow inside, a first thread ring is arranged on the inner wall of the outer rod, a second thread ring matched with the first thread ring is arranged on the outer wall of the middle rod, a third thread ring is arranged on the inner wall of the middle rod, and a fourth thread ring matched with the third thread ring is arranged on the outer wall of the inner rod; the first supporting rod is hinged to the outer rod side wall of the first telescopic rod, the first circular hole seat is hinged to the top of the inner rod of the first telescopic rod, the second circular hole seat is hinged to the top of the inner rod of the second telescopic rod, the third circular hole seat is hinged to the top of the inner rod of the third telescopic rod, the second supporting rod is hinged to the outer rod side wall of the third telescopic rod, and the fourth circular hole seat is hinged to the top of the inner rod of the fourth telescopic rod.

7. The portable drawing box for art design according to claim 6, wherein: a baffle plate for sealing the opening is also arranged at one position of the opening of the drawing box body; the baffle is articulated with drawing case body opening part, and the one end of drawing case body opening part keeping away from articulated department is equipped with fixed stop's hasp, and the baffle is the elastic material that can roll up.

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