CN213075063U

CN213075063U - Special drawing board of preschool education

Info

Publication number: CN213075063U
Application number: CN202020819525.9U
Authority: CN
Inventors: 黄加迪; 张可丹
Original assignee: Jian College
Current assignee: Jian College
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-04-30
Anticipated expiration: 2030-05-15

Abstract

The utility model belongs to the technical field of teaching articles for use, especially, be a special drawing board of preschool education, comprising a base plate, the joint support pole is rotated through the pivot in one side of bottom plate, bracing piece one side is rotated through the pivot and is connected with the connecting rod, the one end of connecting rod is connected with the slider through the pivot, slider sliding connection is on the guide arm, the one end fixed connection of guide arm is on the bottom plate, the opposite side fixedly connected with connecting plate of bracing piece, the fixed orifices has been seted up in the front of connecting plate, the inner wall of fixed orifices is equipped with the screw, the screw passes frame and fixed orifices threaded connection. The utility model discloses a pulling pull rod, reciprocating the supporting leg and unclamping the pull rod again, the pull rod card is in the pull rod groove, realizes highly adjusting the holistic of drawing board, is applicable to most height children, can adapt to the change of children's height through the height of adjusting the drawing board to the life cycle of extension drawing board.

Description

Special drawing board of preschool education

Technical Field

The utility model relates to a teaching articles for use technical field specifically is a special drawing board of preschool education.

Background

Along with the improvement of education level, people focus on child education more and more, when child does not reach the age of learning, just go on preschool education to child, write digit and picture on the drawing board, cultivate the interest and the imagination of child's study, but current drawing board height is unadjustable, child's height is grown very fast, the drawing board height is just unsuitable to be used, cause the use limitation, and current drawing board can only be drawn and used, single service function, for this, we propose a novel preschool education drawing board.

The drawing board for preschool education in the current market has the following problems:

1. in the prior art, the drawing board for preschool education has poor height adjusting capability, the height of children is fast, and the height of the drawing board is not suitable for use;

2. in the prior art, the angle of the drawing board is not easy to adjust for the drawing board for preschool education, and children can write and draw on one plane only.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a special drawing board of preschool education has solved the problem that high controllability is not good and the angle of drawing board is difficult for adjusting.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a drawing board special for preschool education comprises a bottom board, wherein one side of the bottom board is rotatably connected with a supporting rod through a rotating shaft, one side of the supporting rod is rotatably connected with a connecting rod through a rotating shaft, one end of the connecting rod is connected with a sliding block through a rotating shaft, the sliding block is slidably connected onto a guide rod, one end of the guide rod is fixedly connected onto the bottom board, the other side of the supporting rod is fixedly connected with a connecting board, the front side of the connecting board is provided with a fixing hole, the inner wall of the fixing hole is provided with a screw which penetrates through a picture frame to be in threaded connection with the fixing hole, the front side of the picture frame is provided with a paperweight groove, the inner wall of the paperweight groove is rotatably connected with an L-shaped board through a rotating shaft, the bottom surface of the L-shaped board is, a rod shell is fixedly connected to one side of the sleeve, a round hole is formed in the rod shell, a pull rod is connected to the inner wall of the round hole in a sliding mode, a spring II is fixedly connected to the surface of the pull rod, and a base is fixedly connected to the bottom surface of the sleeve.

As an optimal technical scheme of the utility model, the fixed surface of frame is connected with prevents falling the pad, the quantity of screw is four, four the position of screw distributes respectively in the four corners of frame.

As an optimal technical scheme of the utility model, the one end and the paperweight groove fixed connection of spring one, the one end fixedly connected with slipmat of L shaped plate.

As a preferred technical scheme of the utility model, the pinhole has been seted up to one side of guide arm, pinhole evenly distributed is on the guide arm, the inner wall of pinhole is pegged graft and is had the locating pin, the underrun string and bottom plate fixed connection of locating pin.

As a preferred technical scheme of the utility model, fixedly connected with splice bar between bottom plate and the supporting leg, the fixedly connected with triangle even board between sleeve and the base.

As a preferred technical scheme of the utility model, the board groove has been seted up to the upper surface of bottom plate, the pull rod groove has been seted up on telescopic surface, the inner wall and the pull rod sliding connection in pull rod groove, the one end and the pole shell fixed connection of spring two.

(III) advantageous effects

Compared with the prior art, the utility model provides a special drawing board of preschool education possesses following beneficial effect:

1. this special drawing board of preschool education through the pulling pull rod, reciprocates the supporting leg and loosens the pull rod again, and the pull rod card is in the pull rod groove, realizes highly adjusting the drawing board is holistic, is applicable to most height children, can adapt to the change of children's height through the height of adjusting the drawing board to the life cycle of extension drawing board.

2. This special drawing board of preschool education drives the connecting rod through rotating the frame and removes the slider, inserts the locating pin in a pinhole at the back of slider, the position of fixed slider to adjust the angle of drawing board, can carry out repeated regulation to the angle of drawing board, also can set level the frame, use as the desk, increase the practicality of drawing board.

Drawings

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

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the lifting rod of the present invention;

FIG. 4 is a schematic view of the structure of the paperweight groove of the present invention;

fig. 5 is a schematic view of the frame support structure of the present invention.

In the figure: 1. a base plate; 2. a support bar; 3. a connecting rod; 4. a slider; 5. a guide bar; 6. a connecting plate; 7. a fixing hole; 8. a screw; 9. a picture frame; 10. a paper pressing groove; 11. an L-shaped plate; 12. a first spring; 13. supporting legs; 14. a height fixing groove; 15. a sleeve; 16. a rod housing; 17. a circular hole; 18. a pull rod; 19. a second spring; 20. a base; 21. a pin hole; 22. positioning pins; 23. a plate groove; 24. a pull rod groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a drawing board special for preschool education comprises a bottom board 1, one side of the bottom board 1 is rotatably connected with a supporting rod 2 through a rotating shaft, one side of the supporting rod 2 is rotatably connected with a connecting rod 3 through a rotating shaft, one end of the connecting rod 3 is connected with a sliding block 4 through a rotating shaft, the sliding block 4 is slidably connected on a guide rod 5, one end of the guide rod 5 is fixedly connected on the bottom board 1, the other side of the supporting rod 2 is fixedly connected with a connecting plate 6, the front side of the connecting plate 6 is provided with a fixing hole 7, the inner wall of the fixing hole 7 is provided with a screw 8, the screw 8 penetrates through a picture frame 9 to be in threaded connection with the fixing hole 7, the front side of the picture frame 9 is provided with a paper-pressing groove 10, the inner wall of the paper-pressing groove 10 is rotatably connected with an L-shaped plate 11 through a rotating shaft, the, a rod shell 16 is fixedly connected to one side of the sleeve 15, a round hole 17 is formed in the rod shell 16, a pull rod 18 is connected to the inner wall of the round hole 17 in a sliding mode, a spring II 19 is fixedly connected to the surface of the pull rod 18, and a base 20 is fixedly connected to the bottom surface of the sleeve 15.

In this embodiment, through dismantling screw 8, can dismantle frame 9, frame 9 easily carries about, can supply children to use when being out, pulls up L shaped plate 11, puts the paper on frame 9, loosens L shaped plate 11, pushes down the paper, and the paper can not remove when drawing.

Specifically, the fixed surface of frame 9 is connected with prevents falling the pad, and the quantity of screw 8 is four, and four screws 8's position distributes respectively in the four corners of frame 9.

In this embodiment, four screws 8 distribute respectively in the four corners of frame 9, make fixed more stable of frame 9, when the exclusive use frame 9, prevent falling the damage that produces when the pad reduces frame 9 and drops.

Specifically, one end of the first spring 12 is fixedly connected with the paperweight groove 10, and one end of the L-shaped plate 11 is fixedly connected with the non-slip mat.

In this embodiment, the first spring 12 pulls the L-shaped plate 11, so that the L-shaped plate can press the paper, and the anti-slip pad reduces the slip of the paper.

Specifically, one side of the guide rod 5 is provided with pin holes 21, the pin holes 21 are uniformly distributed on the guide rod 5, the inner walls of the pin holes 21 are inserted with positioning pins 22, and the bottom surfaces of the positioning pins 22 are fixedly connected with the bottom plate 1 through strings.

In this embodiment, the position of the sliding block 4 is locked by the positioning pin 22 inserted into the inner wall of the pin hole 21, and the sliding block 4 fixes the supporting rod 2 through the connecting rod 3, so as to fix the angle of the drawing board.

Specifically, a connecting rib is fixedly connected between the bottom plate 1 and the supporting leg 13, and a triangular connecting plate is fixedly connected between the sleeve 15 and the base 20.

In this embodiment, the splice bar between bottom plate 1 and the supporting leg 13, reinforcing bottom plate 1's stability, the triangle between sleeve 15 and the base 20 is even the board, makes sleeve 15 be difficult for rocking, increases drawing board overall stability.

Specifically, the upper surface of the bottom plate 1 is provided with a plate groove 23, the surface of the sleeve 15 is provided with a pull rod groove 24, the inner wall of the pull rod groove 24 is slidably connected with the pull rod 18, and one end of the second spring 19 is fixedly connected with the rod housing 16.

In this embodiment, the plate groove 23 is used for accommodating the connecting plate 6 when the support rod 2 is placed horizontally, and the second spring 19 is in a compressed state, so that the pull rod 18 is not easy to slide in the horizontal direction.

The utility model discloses a theory of operation and use flow: pulling a pull rod 18, moving the supporting legs 13 up and down to a certain height, then loosening the pull rod 18 to realize the adjustment of the overall height of the drawing board, wherein a second spring 19 is in a compressed state, so that the pull rod 18 is not easy to slide in the horizontal direction, rotating the picture frame 9 to drive the connecting rod 3 through a rotating shaft so as to push the slider 4, inserting a positioning pin 22 into a pin hole 21 at the back of the slider 4 to adjust the angle of the drawing board, pulling up the L-shaped plate 11, putting paper on the picture frame 9, loosening the L-shaped plate 11 to press the paper, wherein the paper cannot move during drawing, it needs to be noted that the number of the L-shaped plates 11 is four, when in use, one L-shaped plate 11 at the upper end of the picture frame 9 is pulled up first, one corner of the paper is pressed, the other L-shaped plate 11 at the upper end of the picture frame 9 is pulled up, the other corner, carry out fixed paper surplus two angles of repeated operation, put bracing piece 2 to the level, connecting plate 6 is acceptd to board groove 23, the drawing board can use as the desk, through dismantling screw 8, can dismantle frame 9, frame 9 can the exclusive use, and frame 9 can hand-carry, increase the practicality of drawing board, the splice bar between bottom plate 1 and the supporting leg 13, reinforcing bottom plate 1's stability, make the drawing board be difficult for rocking when drawing, triangle between sleeve 15 and the base 20 links the board, increase drawing board overall stability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a special drawing board of preschool education, includes bottom plate (1), its characterized in that: one side of the bottom plate (1) is rotatably connected with a supporting rod (2) through a rotating shaft, one side of the supporting rod (2) is rotatably connected with a connecting rod (3) through the rotating shaft, one end of the connecting rod (3) is connected with a sliding block (4) through the rotating shaft, the sliding block (4) is slidably connected onto a guide rod (5), one end of the guide rod (5) is fixedly connected onto the bottom plate (1), the other side of the supporting rod (2) is fixedly connected with a connecting plate (6), a fixing hole (7) is formed in the front of the connecting plate (6), a screw (8) is arranged on the inner wall of the fixing hole (7), the screw (8) penetrates through the picture frame (9) to be in threaded connection with the fixing hole (7), a paper pressing groove (10) is formed in the front of the picture frame (9), an L-shaped plate (11) is rotatably connected to the inner wall of the paper pressing groove (, the bottom surface fixedly connected with supporting leg (13) of bottom plate (1), fixed height groove (14) have been seted up to one side of supporting leg (13), the sliding surface of supporting leg (13) is connected with sleeve (15), one side fixedly connected with pole shell (16) of sleeve (15), round hole (17) have been seted up in pole shell (16), the inner wall sliding connection of round hole (17) has pull rod (18), the fixed surface of pull rod (18) is connected with spring two (19), the bottom surface fixedly connected with base (20) of sleeve (15).

2. The special drawing board of preschool education of claim 1, characterized in that: the fixed surface of frame (9) is connected with prevents falling the pad, the quantity of screw (8) is four, four the position of screw (8) distributes respectively in the four corners of frame (9).

3. The special drawing board of preschool education of claim 1, characterized in that: one end of the first spring (12) is fixedly connected with the paperweight groove (10), and one end of the L-shaped plate (11) is fixedly connected with an anti-slip pad.

4. The special drawing board of preschool education of claim 1, characterized in that: one side of the guide rod (5) is provided with pin holes (21), the pin holes (21) are uniformly distributed on the guide rod (5), positioning pins (22) are inserted into the inner walls of the pin holes (21), and the bottom surfaces of the positioning pins (22) are fixedly connected with the bottom plate (1) through thin ropes.

5. The special drawing board of preschool education of claim 1, characterized in that: fixedly connected with splice bar between bottom plate (1) and supporting leg (13), fixedly connected with triangle even board between sleeve (15) and base (20).

6. The special drawing board of preschool education of claim 1, characterized in that: the upper surface of the bottom plate (1) is provided with a plate groove (23), the surface of the sleeve (15) is provided with a pull rod groove (24), the inner wall of the pull rod groove (24) is connected with the pull rod (18) in a sliding mode, and one end of the second spring (19) is fixedly connected with the rod shell (16).