CN213565245U

CN213565245U - Kindergarten mr uses drawing board convenient to use

Info

Publication number: CN213565245U
Application number: CN202022315319.7U
Authority: CN
Inventors: 程园
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-18
Filing date: 2020-10-18
Publication date: 2021-06-29
Anticipated expiration: 2030-10-18

Abstract

The utility model discloses a kindergarten mr uses drawing board convenient to use relates to the drawing board field, including the drawing board body, be equipped with two extension plates on the drawing board body, fixed mounting has mounting bar and fixed strip on the drawing board body, and the top side and the bottom side difference movable mounting of extension plate are equipped with same drive piece between two extension plates on the one side that mounting bar and fixed strip are close to each other, all rotate on two extension plates and install the drive pole, and two drive poles all rotate the installation on the drive piece, set up threaded hole on the drive piece. The utility model discloses, through the setting of two extension plates for the drawing board body is when using, if the area is not enough, can increase usable floor area through two extension plates, and then does not use a plurality of drawing boards at needs, both can reduce the shared space of drawing board, can reduce the use quantity of drawing board simultaneously, has reduced use cost, has satisfied people's demand.

Description

Kindergarten mr uses drawing board convenient to use

Technical Field

The utility model relates to a drawing board technical field especially relates to a kindergarten mr uses drawing board convenient to use.

Background

Drawing boards, flat boards for drawing paper during sketching and drawing, are often placed on easels and also on knees 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 directly used for drawing on the board and can be wiped off, is suitable for drawing practice of children, is used for a plurality of toys, and is often used for drawing by using the drawing board to teach children when teachers in kindergarten teach.

Among the prior art, the usable floor area of drawing board is fixed, the size is also fixed simultaneously, consequently, often cause the not enough condition of using of area of drawing board, under general this kind of condition, mr can increase the quantity of drawing board and satisfy the demand, but the more space that occupies of quantity of drawing board is big more, because the space in classroom is limited, more drawing board can occupy a large amount of spaces, the transport of not being convenient for simultaneously, and more drawing board need spend more purchase cost, consequently, the use cost of drawing board has also been increased, consequently, need a kindergarten mr who facilitates use to satisfy people's demand with the drawing board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a kindergarten teacher uses drawing board convenient to use, the usable floor area of the drawing board of proposing in solving above-mentioned background art is fixed, the size is also fixed simultaneously, consequently, often cause the not enough condition of using of area of drawing board, under general this kind of condition, the teacher can increase the quantity of drawing board and satisfy the demand, but the space that the quantity of drawing board is taken more is big more, because the space in classroom is limited, more drawing board can occupy a large amount of spaces, the transport is not convenient for simultaneously, and more drawing board needs the purchase cost that the cost is more spent, consequently, the use cost's of drawing board problem has also been increased.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a kindergarten teacher uses drawing board convenient to use, includes the drawing board body, be equipped with two extension plates on the drawing board body, fixed mounting has mounting bar and fixed strip on the drawing board body, and the top side and the bottom side of extension plate movable mounting respectively are equipped with same drive piece between two extension plates on one side that mounting bar and fixed strip are close to each other, all rotate on two extension plates and install the drive pole, and two drive poles all rotate the installation on the drive piece, set up threaded hole on the drive piece, threaded hole installs the threaded rod, has seted up the rotation hole on the mounting bar, and the top of threaded rod runs through rotation hole and fixed mounting has the handle.

Preferably, equal fixed mounting has the mount pad on two extension plates, has all seted up the mounting hole on two drive rods, all rotates in two mounting holes and installs the installation axle, and the one end that two installation axles kept away from each other is fixed mounting respectively on one side that two mount pads are close to each other.

Preferably, the two driving rods are provided with driving holes, the two driving holes are internally and rotatably provided with the same driving shaft, and the driving shaft is fixedly arranged on the driving block.

Preferably, the inner wall of the rotating hole is annularly provided with a rotating groove, a rotating sleeve is rotatably arranged in the rotating groove, and the rotating sleeve is fixedly sleeved on the threaded rod.

Preferably, two sliding grooves are formed in the bottom side of the mounting bar, sliding blocks are arranged in the two sliding grooves in a sliding mode, and the two sliding blocks are fixedly mounted on the two extension plates respectively.

Preferably, a T-shaped groove is formed in the top side of the fixing strip, two T-shaped blocks are arranged in the T-shaped groove in a sliding mode, and the two T-shaped blocks are fixedly arranged on the two extension plates respectively.

Preferably, the drawing board body is provided with a limiting groove, and the driving block is slidably mounted in the limiting groove.

The utility model has the advantages that:

the utility model discloses in, through the setting of two extension boards for the drawing board body is when using, if the area is not enough, can increase usable floor area through two extension boards, and then does not use a plurality of drawing boards at needs, both can reduce the shared space of drawing board, can reduce the use quantity of drawing board simultaneously, has reduced use cost, has satisfied people's demand.

The utility model discloses in, through the threaded rod, drive the setting of hole and drive pole, when needs use the extension plate, only need rotate the handle for the threaded rod rotates, and then makes the threaded rod at the screw hole internal rotation, can make to drive the piece and remove, drives the piece and removes and can drive two extension plates and stretch out, and on the same hand, can be convenient for accomodate the extension plate, thereby make the use convenience more of extension plate and be convenient for accomodate, further satisfied people's demand.

Drawings

Fig. 1 is a schematic structural view of a convenient drawing board for teachers in a kindergarten;

fig. 2 is a schematic back structural view of a convenient drawing board for teachers in a kindergarten;

fig. 3 is a schematic back sectional view of a convenient drawing board for teachers in a kindergarten;

fig. 4 is a schematic side sectional view of the convenient drawing board for kindergarten teachers.

In the figure: 1. a drawing board body; 2. an extension plate; 3. mounting a bar; 4. a fixing strip; 5. a T-shaped groove; 6. a T-shaped block; 7. a chute; 8. a slider; 9. driving the block; 10. driving the rod; 11. driving a shaft; 12. a mounting seat; 13. installing a shaft; 14. a limiting groove; 15. a threaded hole; 16. a threaded rod; 17. rotating the hole; 18. a rotating tank; 19. a rotating sleeve; 20. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a convenient drawing board for preschool teacher comprises a drawing board body 1, two extension boards 2 are arranged on the drawing board body 1, a mounting strip 3 and a fixing strip 4 are fixedly arranged on the drawing board body 1, the top side and the bottom side of each extension board 2 are respectively movably arranged on one side of the mounting strip 3 and the fixing strip 4, which are close to each other, a same driving block 9 is arranged between the two extension boards 2, driving rods 10 are respectively and rotatably arranged on the two extension boards 2, the two driving rods 10 are respectively and rotatably arranged on the driving block 9, threaded holes 15 are arranged on the driving block 9, threaded rods 16 are internally threaded in the threaded holes 15, rotating holes 17 are arranged on the mounting strip 3, the top ends of the threaded rods 16 penetrate through the rotating holes 17 and are fixedly provided with handles 20, the using area of the drawing board body 1 can be effectively increased through the arrangement of the two extension boards 2, and further, the teacher does, both can reduce the space that the drawing board occupy, reduced use cost simultaneously.

The utility model discloses in, equal fixed mounting has mount pad 12 on two extension plates 2, has all seted up the mounting hole on two drive rods 10, all rotates in two mounting holes and installs installation axle 13, and two one ends that installation axle 13 kept away from each other are fixed mounting respectively on one side that two mount pads 12 are close to each other, and when two drive rods 10 rotated, two installation axles 13 can drive two mount pads 12 through two and remove, and then can drive two extension plates 2 and remove.

The utility model discloses in, all seted up the drive hole on two drive bars 10, two drive downthehole rotations install same drive shaft 11, drive 11 fixed mounting of axle on drive piece 9, when drive piece 9 removed, can drive two drive bars 10 through drive shaft 11 and rotate.

The utility model discloses in, the swivelling chute 18 has been seted up to the annular on the inner wall of swivelling chute 17, and swivel sleeve 19 is installed to the swivel 18 internal rotation, and swivel sleeve 19 is fixed to be cup jointed on threaded rod 16, and threaded rod 16 can only rotate by restricted threaded rod 16 through swivel sleeve 19 when rotating.

The utility model discloses in, two spouts 7 have been seted up to the bottom side of mounting bar 3, and equal slidable mounting has slider 8 in two spouts 7, and two sliders 8 are fixed mounting respectively on two extension plates 2, and extension plate 2 slides in spout 7 through slider 8 to can restrict extension plate 2's moving direction.

The utility model discloses in, T type groove 5 has been seted up to the top side of fixed strip 4, and slidable mounting has two T type pieces 6 in T type groove 5, and two T type pieces 6 are fixed mounting respectively on two extension plates 2, and extension plate 2 passes through T type piece 6 at T type 5 internal horizontal slip, and then can be further restrict extension plate 2's moving direction.

The utility model discloses in, set up spacing groove 14 on the drawing board body 1, drive 9 slidable mounting of piece and drive piece and can be along 14 vertical migration in spacing groove 14 in the spacing groove 14, and then can restrict the moving direction of moving piece 9.

The utility model discloses the theory of operation:

when the area of the drawing board body 1 is not enough to be used, the handle 20 can be rotated, so that the handle 20 drives the threaded rod 16 to rotate, the threaded rod 16 rotates to drive the rotary sleeve 19 to rotate, the rotary sleeve 19 rotates in the rotary groove 18, and further the threaded rod 16 can only rotate, and simultaneously the threaded rod 16 rotates in the threaded hole 15, and further the drive block 9 can be driven to move, the drive block 9 moves to drive the two drive rods 10 to rotate through the drive shaft 11, and simultaneously the two drive rods 10 both rotate on the drive shaft 11 through the drive holes, the two drive rods 10 rotate to drive the two mounting seats 12 to move through the two mounting shafts 13, the two mounting seats 12 drive the two extension plates 2 to be far away from each other, the top sides of the extension plates 2 slide in the sliding grooves 7 through the sliding blocks 8, the bottom sides of the extension plates 2 slide in the T-shaped grooves 5 through the T-shaped blocks 6, meanwhile, after the extension board 2 extends out, the board handle 20 stops rotating, so that the extension board 2 can be made, and the use area of the drawing board can be increased.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a kindergarten mr uses drawing board convenient to use, includes drawing board body (1), its characterized in that: be equipped with two extension plates (2) on drawing board body (1), fixed mounting has mounting bar (3) and fixed strip (4) on drawing board body (1), and the top side and the bottom side of extension plate (2) are respectively movable mounting on one side that mounting bar (3) and fixed strip (4) are close to each other, are equipped with same drive piece (9) between two extension plates (2), all rotate on two extension plates (2) and install drive pole (10), and two drive pole (10) all rotate the installation and drive on piece (9), set up threaded hole (15) on drive piece (9), threaded hole (15) internal thread are installed threaded rod (16), have seted up rotation hole (17) on mounting bar (3), and the top of threaded rod (16) runs through rotation hole (17) and fixed mounting has handle (20).

2. A convenient kindergarten teacher drawing board according to claim 1, wherein: equal fixed mounting has mount pad (12) on two extension plates (2), has all seted up the mounting hole on two drive rods (10), all rotates in two mounting holes and installs installation axle (13), and the one end that two installation axles (13) kept away from each other is fixed mounting respectively on one side that two mount pads (12) are close to each other.

3. A convenient kindergarten teacher drawing board according to claim 1, wherein: the two driving rods (10) are provided with driving holes, the two driving holes are internally and rotatably provided with the same driving shaft (11), and the driving shaft (11) is fixedly arranged on the driving block (9).

4. A convenient kindergarten teacher drawing board according to claim 1, wherein: the inner wall of the rotating hole (17) is annularly provided with a rotating groove (18), a rotating sleeve (19) is rotatably arranged in the rotating groove (18), and the rotating sleeve (19) is fixedly sleeved on the threaded rod (16).

5. A convenient kindergarten teacher drawing board according to claim 1, wherein: two chutes (7) are formed in the bottom side of the mounting bar (3), sliding blocks (8) are arranged in the two chutes (7) in a sliding mode, and the two sliding blocks (8) are fixedly mounted on the two extension plates (2) respectively.

6. A convenient kindergarten teacher drawing board according to claim 1, wherein: t type groove (5) have been seted up to the top side of fixed strip (4), and slidable mounting has two T type blocks (6) in T type groove (5), and two T type blocks (6) are fixed mounting respectively on two extension plates (2).

7. A convenient kindergarten teacher drawing board according to claim 1, wherein: limiting grooves (14) are formed in the drawing board body (1), and the driving block (9) is slidably mounted in the limiting grooves (14).