CN211166140U

CN211166140U - Additional drawing board for children desk

Info

Publication number: CN211166140U
Application number: CN201921563574.4U
Authority: CN
Inventors: 孙广英
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-08-04
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses an additional drawing board for a children desk, which comprises a backing board, a dust removing structure, a drawing structure and a folding installation structure, wherein the dust removing structure is connected on the backing board and comprises a strip box, a clapboard, a centrifugal fan, a drawer net box, a cover plate, a connector and a U-shaped ventilation pipe, one side surface of the backing board close to a side wall is connected with the strip box, the strip box is close to a bottom connecting clapboard in the central position, one side surface of the clapboard is provided with the centrifugal fan, one side surface of the bottom of the strip box is provided with the drawer net box, the bottom side wall at one end of the U-shaped ventilation pipe is connected with the side surface of the backing board, the other end of the U-shaped ventilation pipe penetrates through the bottom side surface of the strip box, the dust removing structure is arranged on the surface of the blackboard, the chalk dust on the surface of the blackboard can be reduced to the, freeing the surface of the desk for completion of other courses.

Description

Additional drawing board for children desk

Technical Field

The utility model relates to an additional drawing board specifically is an additional drawing board is used to children's desk.

Background

The flat board used for drawing paper during sketching and drawing is usually placed on an easel, and also placed on a knee cap for drawing. The drawing board is fixed on the easel, some clamps are used, the adhesive tape is also used, the size of the drawing board is determined according to the requirements of a user, most of the drawing boards are made of wood, the hand feeling is light and smooth, art supplies stores are sold, and the drawing board can be manufactured by self. In addition, the plastic drawing board can be used for drawing on the board directly, can be wiped off, is suitable for drawing practice of children and is used for a plurality of toys.

The existing drawing board for the desk for the children often adopts a blackboard and a color chalk mode to provide a drawing instrument for the children, the color chalk can lead the surface of the blackboard to accumulate dust in the drawing process, and the children easily inhale into respiratory tracts to influence the breathing safety of the children.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a children's desk is with additional drawing board to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an additional drawing board for a desk for children comprises a base plate, a dust removing structure, a drawing structure and a folding installation structure, wherein the dust removing structure is connected to the base plate and comprises a long strip box, a partition plate, a centrifugal fan, a drawer net box, a cover plate, an interface and a U-shaped ventilation pipe, one side surface, close to a side wall, of the base plate is connected with the long strip box, the bottom of the long strip box, close to a central position, is connected with the partition plate, one side surface of the partition plate is provided with the centrifugal fan, one side surface, close to the bottom of the long strip box, is provided with the drawer net box, the side wall, at one end of the U-shaped ventilation pipe, is connected with the side surface of the base plate, the other end of the U-; the drawing structure is connected to the backing plate, and the folding mounting structure is connected to the backing plate

As a further aspect of the present invention: the outer side surface of the backing plate, which is far away from the strip box, is connected with a heightening plate.

As a further aspect of the present invention: the drawing outer side surface of the drawer net box is connected with a first pull ring, and the outer side surface of the cover plate is connected with a second pull ring.

As a further aspect of the present invention: the drawing structure comprises a blackboard and a frame, the base plate is connected with the frame near the center of the side face of the long-strip box, the blackboard is arranged inside the frame and fixedly connected with the adjacent side face of the base plate, and one end of the U-shaped ventilation pipe with the through hole penetrates through the front side wall of the frame and extends into the frame.

As a further aspect of the present invention: a groove which is symmetrical to the strip box is formed in one side face of the base plate, and a blackboard eraser is placed in the groove.

As a further aspect of the present invention: the folding installation structure comprises a sliding block, a clamping plate, a vertical frame, a lead screw, a handle, a transverse plate and hinges, wherein the side wall of the top of the base plate is connected with the transverse plate in a rotating mode through the hinges, the bottom side face of the transverse plate is connected with the vertical frame, the top of the vertical frame is connected with the lead screw in a rotating mode, the threaded hole is matched with the lead screw and is arranged in the sliding connection sliding block inside the vertical frame, the handle is connected to the bottom end of the lead screw, and the side.

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

1. the dust removal structure is arranged on the surface of the blackboard, so that chalk dust on the surface of the blackboard can be reduced to the maximum extent, the maximum possibility that children adsorb respiratory dust is reduced, and the breathing safety of the children is ensured;

2. the assembly mode with the desk plate is convenient for installation and operation of operators, the distance between the side walls of the desk in a larger range can be clamped, and the installation application range is increased;

3. when not in use, the whole base plate is rotated to the side wall of the desk for placing, and the surface of the desk is vacated, so that other courses can be completed.

Drawings

Fig. 1 is a schematic structural diagram in a front view direction in an assembling process of an additional drawing board for a child desk.

Fig. 2 is a schematic side view of the additional drawing board for a child desk.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a base plate; 2. a dust removal structure; 3. a step-up plate; 4. drawing structure; 5. a folding mounting structure; 21. a sliver can; 22. a partition plate; 23. a centrifugal fan; 24. a through hole; 25. a drawer mesh box; 26. a cover plate; 27. an interface; 28. a U-shaped vent pipe; 41. a blackboard; 42. a frame; 43. a blackboard eraser; 44. a groove; 51. a slider; 52. a splint; 53. a mullion; 54. a screw rod; 55. a handle; 56. a transverse plate; 57. and (4) a hinge.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, an additional drawing board for a children desk comprises a backing board 1, a dust removing structure 2, a drawing structure 4 and a folding installation structure 5, wherein the dust removing structure 2 is connected to the backing board 1, the dust removing structure 2 comprises a strip box 21, a partition plate 22, a centrifugal fan 23, a drawer net box 25, a cover plate 26, a connector 27 and a U-shaped ventilation pipe 28, one side surface of the backing board 1 close to a side wall is connected with the strip box 21, the bottom of the strip box 21 close to a center is connected with the partition plate 22, one side surface of the partition plate 22 is provided with the centrifugal fan 23, one side surface of the bottom of the strip box 21 is provided with the drawer net box 25, one end bottom side wall of the U-shaped ventilation pipe 28 is connected with the side surface of the backing board 1, the other end of the U-shaped ventilation pipe 28 penetrates through the bottom side surface of the strip box 21, the bottom side surface, when a child uses the blackboard, the child directly uses color chalk to draw on the blackboard 41, the centrifugal fan 23 is started, and generated dust can be sucked into the drawer net box 25 through the through hole in the U-shaped ventilation pipe 28, so that the accumulation of the chalk dust on the surface of the blackboard 41 is reduced, the phenomenon that the dust is sucked into the respiratory tract of the child to influence the breathing safety of the child is prevented, and the storage battery is arranged on one side surface of the backing plate 1 and can supply power to the centrifugal fan 23, and the related circuit and control are the prior art;

backing plate 1 keeps away from the lateral surface of rectangular box 21 and connects bed hedgehopping board 3, can let whole backing plate 1 place on the desktop can the level place, prevent to produce the slope, influence children's drawing process.

The drawer net box 25 is connected with a first pull ring through the drawing outer side face, the cover plate 26 is connected with a second pull ring through the outer side face, the drawer net box 25 can be drawn out periodically, the cover plate 26 is moved out, and chalk dust is cleaned.

Drawing structure 4 connects in backing plate 1, drawing structure includes blackboard 41 and frame 42, and backing plate 1 is close to rectangular box side central point and puts and connect frame 42, and blackboard 41 sets up inside frame 42 and the adjacent side fixed connection of backing plate 1, and U-shaped ventilation pipe 28 has the one end of through-hole 24 to run through the preceding lateral wall of frame 42 and extend to the inside of frame 42, supplies children to draw and write.

A groove 44 which is symmetrically arranged with the strip box 21 is formed in one side face of the base plate 1, the blackboard eraser 43 is placed in the groove 44, children can conveniently correct own works, a rubber pad is connected to the side of the blackboard eraser 43 and placed in the groove 44 to have certain friction force, and when the base plate 1 is vertically placed, the blackboard eraser 43 is not prone to falling.

Folding mounting structure 5 is connected in backing plate 1, folding mounting structure 5 includes slider 51, splint 52, mullion 53, lead screw 54, handle 55, diaphragm 56 and hinge 57, backing plate 1 top lateral wall rotates through a plurality of hinge 57 and connects diaphragm 56, mullion 53 is connected to the bottom side of diaphragm 56, top rotates in mullion 53 and connects lead screw 54, with the inside screw hole that is equipped with lead screw 54 assorted with mullion 53 inside sliding connection slider 51, handle 55 is connected to lead screw 54 bottom, slider 51 keeps away from the side of backing plate 1 and connects splint 52, through the transmission of lead screw 45, can splint 52 and diaphragm 56 compress tightly at desk side wall mounting, through hinge 57 rotatory use, rotatory desk side wall is placed when not using, vacate the desk surface, so that accomplish other courses.

The utility model discloses a theory of operation is: through folding mounting structure 5, install whole backing plate 1 in children's desk's lateral wall department, use to the desk surface through folding rotation, children's use, it is direct to draw on blackboard 41 with the colored chalk, open centrifugal fan 23, through-hole can let the inside that produces the dust and is inhaled drawer net box 25 on the ventilation pipe 28 of U-shaped, thereby it piles up to reduce blackboard 41 surperficial chalk dust, it is inside to prevent to inhale children's respiratory track, influence children breathing safety, after the use, it places to rotate the desk lateral wall once more, can not stop on the desk surface, so that other courses study.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An additional drawing board for a desk for children comprises a backing board (1), a dust removing structure (2), a drawing structure (4) and a folding mounting structure (5), and is characterized in that the dust removing structure (2) is connected to the backing board (1), the dust removing structure (2) comprises a strip box (21), a partition board (22), a centrifugal fan (23), a drawer net box (25), a cover board (26), an interface (27) and a U-shaped ventilation pipe (28), one side surface of the backing board (1) close to a side wall is connected with the strip box (21), the strip box (21) close to a central position is connected with the partition board (22) at the bottom, one side surface of the partition board (22) is provided with the centrifugal fan (23), the drawer net box (25) is installed at one side surface of the bottom of the strip box (21), the side wall of the bottom of one end of the U-shaped ventilation pipe (28) is connected with the side surface of the backing board (, the side surface of the bottom of the drawer net box (25) is provided with an interface (27) matched with the U-shaped ventilation pipe (28), and the side surface of the top of the drawer net box (25) is sleeved with a cover plate (26); the drawing structure (4) is connected to the backing plate (1); the folding mounting structure (5) is connected to the backing plate (1).

2. The picture-adding board for a children's desk according to claim 1, wherein the outer side of the backing board (1) far from the barrel (21) is connected with the heightening board (3).

3. The picture-adding board for a children's desk according to claim 1, wherein the drawer net (25) is drawn out of the outer side and connected to a first pull ring, and the cover plate (26) is drawn out of the outer side and connected to a second pull ring.

4. The additional drawing board for a children desk according to claim 1, wherein the drawing structure (4) comprises a blackboard (41) and a frame (42), the frame (42) is connected to the base plate (1) near the center of the side of the strip case (21), the blackboard (41) is arranged inside the frame (42) and the adjacent sides of the base plate (1) are fixedly connected, and one end of the U-shaped ventilation pipe (28) with the through hole (24) penetrates through the front side wall of the frame (42) and extends into the frame (42).

5. The picture-attaching board for a children desk according to claim 1, wherein a groove (44) symmetrically arranged with respect to the strip case (21) is formed in one side surface of the backing board (1), and a blackboard eraser (43) is placed inside the groove (44).

6. The auxiliary drawing board for a children desk as claimed in claim 1, wherein the folding mounting structure (5) comprises a sliding block (51), a clamping plate (52), a vertical frame (53), a screw rod (54), a handle (55), a horizontal plate (56) and hinges (57), the side wall of the top of the backing board (1) is rotatably connected with the horizontal plate (56) through a plurality of hinges (57), the bottom side of the horizontal plate (56) is connected with the vertical frame (53), the top of the inner part of the vertical frame (53) is rotatably connected with the screw rod (54), a threaded hole matched with the screw rod (54) is formed inside the sliding connection sliding block (51) inside the vertical frame (53), the handle (55) is connected with the bottom end of the screw rod (54), and the side of the sliding block (51) far away from the backing board (1) is.