CN211390819U

CN211390819U - Foldable drawing board of preschool education

Info

Publication number: CN211390819U
Application number: CN201921170331.4U
Authority: CN
Inventors: 全琪; 刘雅青
Original assignee: Xian Fanyi University
Current assignee: Xian Fanyi University
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-09-01
Anticipated expiration: 2029-07-24

Abstract

The utility model belongs to preschool education equipment field, especially, a foldable drawing board of preschool education, to the singleness of current drawing board and easel function, folding taking in of being not convenient for is placed, carries inconvenient problem, the scheme as follows now provides, and it includes first board, the fixed slot has been seted up to one side of first board, and the rotating turret is installed to the fixed slot internal rotation, and the bottom of rotating turret is seted up flutedly, and slidable mounting has the expansion bracket in the recess, and the bottom fixed mounting of expansion bracket has the bottom plate, rotate on the first board and install the second board, the mounting groove has been seted up at the top of second board, and the bottom fixed mounting of first board has the installation piece, and installation piece movable mounting is in the mounting groove, is equipped with fixed establishment in the mounting groove, fixed. The utility model discloses rational in infrastructure, convenient operation, this drawing board and easel are all collapsible to be accomodate, convenient to carry, and can stabilize the position after the expansion after the drawing board expandes.

Description

Foldable drawing board of preschool education

Technical Field

The utility model relates to a preschool education equipment technical field especially relates to a foldable drawing board of preschool education.

Background

At present, more and more people are studying painting, especially more and more people are studying artistic design painting, scenes of artistic design are very rich, the scenes are not only limited to indoor artistic design, but also a plurality of teachers often take students to write in the field in teaching the artistic design of students, and the method plays a very important role in expanding the thought of the artistic design of the students, improving the interest and innovation inspiration of the artistic design of the students, but when going out to carry out the artistic design, the easels need to be taken, and the easels are heavier, so that the method is very inconvenient for the students;

however, the existing drawing board and easel have single functions, are inconvenient to fold, store and place and are inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the singleness that has drawing board and easel function among the prior art, be not convenient for fold and accomodate and place, carry inconvenient shortcoming, and the foldable drawing board of preschool education that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a foldable drawing board of preschool education, includes the first board, the fixed slot has been seted up to one side of first board, and the rotating turret is installed to the fixed slot internal rotation, and the bottom of rotating turret is seted up flutedly, and slidable mounting has the expansion bracket in the recess, and the bottom fixed mounting of expansion bracket has the bottom plate, rotate on the first board and install the second board, the mounting groove has been seted up at the top of second board, and the bottom fixed mounting of first board has the installation piece, and installation piece movable mounting is equipped with fixed establishment in the mounting groove, fixed establishment and installation piece looks adaptation.

Preferably, fixed mounting has the mount pad on one side inner wall of fixed slot, and the standing groove has been seted up to one side of mount pad, and rotating turret movable mounting has all seted up the slide opening on the both sides inner wall of standing groove in the standing groove, and equal slidable mounting has the buffer beam in two slide openings, and the stationary blade drives the buffer beam and slides and press the pressure spring, promotes the bottom plate, and the bottom plate drives in the expansion bracket slides in the recess.

Preferably, the stationary blade is all welded to the one end that two buffer poles are close to each other, and two stationary blades all contact with the rotating turret, all fix the cover on two buffer poles and be equipped with the pressure spring, and the one end welding of pressure spring is in one side of stationary blade, and the other end welding of pressure spring is on one side inner wall of standing groove, loosens two stationary blades, because the elastic action of pressure spring drives the stationary blade removal that corresponds for two stationary blades are fixed the rotating turret centre gripping in the fixed slot.

Preferably, the fixed establishment includes two sliders, two movable blocks and two screws, the spout has all been seted up on the both sides inner wall of mounting groove, slider slidable mounting is in the spout that corresponds, the equal fixed mounting in one side that two sliders are close to each other has same connecting plate, connecting plate and installation piece looks adaptation, threaded hole has all been seted up at the top of two sliders, screw thread installs in the threaded hole that corresponds, the bottom of screw is rotated and is installed on the bottom inner wall of spout, the spread groove has all been seted up on the both sides inner wall of mounting groove, movable block slidable mounting is in the spread groove that corresponds, the connecting plate drives the slider and removes, the slider drives the screw rod and rotates, the screw rod drives.

Preferably, the equal fixed mounting in one side that two movable blocks are close to each other has splint, one side that two splint are close to each other all contacts with the installation piece, the thread groove has all been seted up to one side that two movable blocks were kept away from each other, the lead screw is installed to equal screw thread in two thread grooves, the one end that two lead screws were kept away from each other all rotates and installs in two spread grooves that correspond, all fixed cover is equipped with first bevel gear on two lead screws, second bevel gear has all been welded on the top of two lead screws, second bevel gear and the first bevel gear meshing that corresponds, second bevel gear drives first bevel gear and rotates, first bevel gear drives the lead screw and rotates, the lead screw drives.

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

(1) according to the scheme, the two fixing pieces are pulled to drive the buffer rod to slide and press the pressure spring, the two fixing pieces are loosened after the rotating frame is movably mounted in the placing groove, so that the two fixing pieces clamp and fix the rotating frame in the fixing groove, and when the drawing board needs to be unfolded, the first board is rotated;

(2) according to the scheme, the first plate drives the mounting block to be inserted into the mounting groove, the mounting block drives the connecting plate to move, and the moving block drives the clamping plate to move, so that the clamping plate clamps and fixes the mounting block in the mounting groove, and the drawing board can be unfolded for use;

the utility model discloses rational in infrastructure, convenient operation, this drawing board and easel are all collapsible to be accomodate, convenient to carry, and can stabilize the position after the expansion after the drawing board expandes.

Drawings

Fig. 1 is a schematic view of a folding drawing board for preschool education according to the present invention;

fig. 2 is a schematic structural view of a first plate, a rotating frame, a mounting seat, a buffer rod and a fixing plate of the folding drawing board for preschool education provided by the utility model;

fig. 3 is the utility model provides a foldable drawing board of preschool education's A part schematic structure.

In the figure: the device comprises a first plate 1, a fixed groove 2, a rotating frame 3, a groove 4, an expansion bracket 5, a bottom plate 6, a second plate 7, an installation block 8, an installation groove 9, a sliding block 10, a connecting plate 11, a moving block 12, a clamping plate 13, a lead screw 14, a first bevel gear 15, a screw 16, a second bevel gear 17, an installation seat 18, a buffer rod 19 and a fixing piece 20.

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.

Example 1

Referring to fig. 1-3, a folding drawing board of preschool education, including first board 1, fixed slot 2 has been seted up to one side of first board 1, the rotating turret 3 has been installed to 2 internal rotations in the fixed slot, the bottom of rotating turret 3 is seted up flutedly 4, slidable mounting has expansion bracket 5 in the recess 4, the bottom fixed mounting of expansion bracket 5 has bottom plate 6, rotate on the first board 1 and install second board 7, mounting groove 9 has been seted up at the top of second board 7, the bottom fixed mounting of first board 1 has installation piece 8, installation piece 8 movable mounting is in mounting groove 9, be equipped with fixed establishment in mounting groove 9, fixed establishment and 8 looks adaptations of installation piece.

In this embodiment, fixed mounting has mount pad 18 on one side inner wall of fixed slot 2, and the standing groove has been seted up to one side of

mount pad

18, and 3 movable mounting of rotating turret have all been seted up the slide opening on the both sides inner wall of standing groove in the standing groove, and equal slidable mounting has buffer beam 19 in two slide openings, and stationary blade 20 drives buffer beam 19 and slides and pressure move the pressure spring, promotes bottom plate 6, and bottom plate 6 drives in the expansion bracket 5 slides in recess 4.

In this embodiment, the one end that two buffer bar 19 are close to each other has all welded stationary blade 20, two stationary blades 20 all contact with rotating turret 3, all fixed cover is equipped with the pressure spring on two buffer bar 19, the one end welding of pressure spring is in one side of stationary blade 20, the other end welding of pressure spring is on one side inner wall of standing groove, loosen two stationary blades 20, because the elastic action of pressure spring drives the stationary blade 20 removal that corresponds, make two stationary blades 20 fix the 3 centre grippings of rotating turret in fixed slot 2.

In this embodiment, fixed establishment includes two sliders 10, two movable blocks 12 and two screw rods 16, the spout has all been seted up on the both sides inner wall of mounting groove 9, slider 10 slidable mounting is in the spout that corresponds, the equal fixed mounting in one side that two sliders 10 are close to each other has same connecting plate 11, connecting plate 11 and the 8 looks adaptations of installation piece, threaded hole has all been seted up at the top of two

sliders

10, 16 threaded mounting of screw rod is in the threaded hole that corresponds, install on the bottom inner wall of spout is rotated to screw rod 16's bottom, the spread groove has all been seted up on the both sides inner wall of mounting groove 9, movable block 12 slidable mounting is in the spread groove that corresponds, connecting plate 11 drives slider 10 and removes, slider 10 drives screw rod 16 and rotates, screw rod.

In this embodiment, the equal fixed mounting in one side that two movable blocks 12 are close to each other has splint 13, one side that two splint 13 are close to each other all contacts with installation piece 8, the thread groove has all been seted up to one side that two movable blocks 12 were kept away from each other, lead screw 14 is installed to equal screw thread in two thread grooves, the one end that two lead screws 14 were kept away from each other all rotates and installs in two spread grooves that correspond, it is equipped with first bevel gear 15 all to fix the cover on two lead screws 14, second bevel gear 17 all welds on the top of two screw rods 16, second bevel gear 17 meshes with the first bevel gear 15 that corresponds, second bevel gear 17 drives first bevel gear 15 and rotates, first bevel gear 15 drives lead screw 14 and rotates, lead screw 14 drives movable.

Example 2

Referring to fig. 1-3, a further improvement is made on the basis of example 1:

the utility model provides a foldable drawing board of preschool education, including first board 1, fixed slot 2 has been seted up to one side of first board 1, the rotating turret 3 is installed to 2 internal rotations of fixed slot, the bottom of rotating turret 3 is seted up flutedly 4, slidable mounting has expansion bracket 5 in the recess 4, bolt fixed mounting has bottom plate 6 is passed through to expansion bracket 5's bottom, rotate on the first board 1 and install second board 7, mounting groove 9 has been seted up at the top of second board 7, bolt fixed mounting has installation piece 8 bottom of

first board

1, 8 movable mounting of installation piece are in mounting groove 9, be equipped with fixed establishment in mounting groove 9, fixed establishment and 8 looks adaptations of installation piece.

In this embodiment, there is mount pad 18 through bolt fixed mounting on one side inner wall of fixed slot 2, and the standing groove has been seted up to one side of

mount pad

18, and 3 movable mounting of rotating turret have all been seted up the slide opening on the both sides inner wall of standing groove in the standing groove, and equal slidable mounting has buffer beam 19 in two slide openings, and stationary blade 20 drives buffer beam 19 and slides and press the pressure spring, promotes bottom plate 6, and bottom plate 6 drives expansion bracket 5 and slides in recess 4.

In this embodiment, fixed establishment includes two sliders 10, two movable blocks 12 and two screw rods 16, the spout has all been seted up on the both sides inner wall of mounting groove 9, slider 10 slidable mounting is in the spout that corresponds, one side that two sliders 10 are close to each other all has same connecting plate 11 through bolt fixed mounting, connecting

plate

11 and 8 looks adaptations of installation piece, threaded hole has all been seted up at the top of two

sliders

10, 16 threaded mounting of screw rod is in the threaded hole that corresponds, the bottom of screw rod 16 is rotated and is installed on the bottom inner wall of spout, the spread groove has all been seted up on the both sides inner wall of mounting groove 9, movable block 12 slidable mounting is in the spread groove that corresponds, connecting plate 11 drives slider 10 and removes, slider 10 drives screw rod 16 and rotates, screw rod 16 drives.

In this embodiment, one side that two movable blocks 12 are close to each other all has splint 13 through bolt fixed mounting, one side that two splint 13 are close to each other all contacts with installation piece 8, the thread groove has all been seted up to one side that two movable blocks 12 are kept away from each other, lead screw 14 is installed to equal screw thread in two thread grooves, the one end that two lead screws 14 were kept away from each other all rotates and installs in two spread grooves that correspond, equal fixed cover is equipped with first bevel gear 15 on two lead screws 14, second bevel gear 17 has all been welded on the top of two screw rods 16, second bevel gear 17 meshes with the first bevel gear 15 that corresponds, second bevel gear 17 drives first bevel gear 15 and rotates, first bevel gear 15 drives lead screw 14 and rotates, lead screw 14 drives movable block 12 and removes.

In this embodiment, by pulling the two fixing pieces 20, the fixing pieces 20 drive the buffer rod 19 to slide and press the compression spring, the bottom plate 6 is pushed, the bottom plate 6 drives the expansion bracket 5 to slide into the groove 4, the rotating bracket 3 is rotated in the fixing groove 2, after the rotating bracket 3 is movably mounted in the placing groove, the two fixing pieces 20 are loosened, the corresponding fixing pieces 20 are driven to move due to the elastic action of the compression spring, so that the two fixing pieces 20 clamp and fix the rotating bracket 3 in the fixing groove 2, when the drawing board needs to be unfolded, the first plate 1 is rotated, the first plate 1 drives the mounting block 8 to be inserted into the mounting groove 9, the mounting block 8 drives the connecting plate 11 to move, the connecting plate 11 drives the slider 10 to move, the slider 10 drives the screw 16 to rotate, the screw 16 drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the first bevel gear 15 to rotate, the lead screw 14 drives the moving block 12 to move, and the moving block 12 drives the clamping plate 13 to move, so that the clamping plate 13 clamps and fixes the mounting block 8 in the mounting groove 9, and the drawing board can be unfolded for use.

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 foldable drawing board of preschool education, includes first board (1), its characterized in that, fixed slot (2) have been seted up to one side of first board (1), and rotating turret (3) are installed to fixed slot (2) internal rotation, and recess (4) have been seted up to the bottom of rotating turret (3), and slidable mounting has expansion bracket (5) in recess (4), and the bottom fixed mounting of expansion bracket (5) has bottom plate (6), rotate on first board (1) and install second board (7), mounting groove (9) have been seted up at the top of second board (7), and the bottom fixed mounting of first board (1) has installation piece (8), and installation piece (8) movable mounting is equipped with fixed establishment in mounting groove (9), fixed establishment and installation piece (8) looks adaptation.

2. The folding drawing board for preschool education as claimed in claim 1, wherein a mounting seat (18) is fixedly mounted on one side of the inner wall of the fixing groove (2), a placing groove is formed on one side of the mounting seat (18), the rotating frame (3) is movably mounted in the placing groove, sliding holes are formed in the inner walls of the two sides of the placing groove, and the buffer rods (19) are slidably mounted in the two sliding holes.

3. The folding drawing board for preschool education as claimed in claim 2, wherein fixing pieces (20) are welded at one ends of the two buffer rods (19) close to each other, the two fixing pieces (20) are both in contact with the rotating frame (3), compression springs are fixedly sleeved on the two buffer rods (19), one ends of the compression springs are welded at one sides of the fixing pieces (20), and the other ends of the compression springs are welded on the inner wall of one side of the placing groove.

4. The folding drawing board for preschool education as claimed in claim 1, wherein the fixing mechanism comprises two sliding blocks (10), two moving blocks (12) and two screw rods (16), sliding grooves are formed in the inner walls of the two sides of the mounting groove (9), the sliding blocks (10) are slidably mounted in the corresponding sliding grooves, the same connecting plate (11) is fixedly mounted on the side, close to each other, of the two sliding blocks (10), the connecting plate (11) is matched with the mounting block (8), threaded holes are formed in the tops of the two sliding blocks (10), the screw rods (16) are threadedly mounted in the corresponding threaded holes, the bottom ends of the screw rods (16) are rotatably mounted on the inner wall of the bottom of the sliding grooves, connecting grooves are formed in the inner walls of the two sides of the mounting groove (9), and the moving blocks (12) are slidably mounted in the.

5. The foldable drawing board of preschool education of claim 4, characterized in that clamping plates (13) are fixedly mounted on the sides, close to each other, of the two moving blocks (12), the clamping plates (13) are in contact with the mounting block (8) on the sides, close to each other, of the two clamping plates (13), thread grooves are formed in the sides, far away from each other, of the two moving blocks (12), lead screws (14) are mounted in the thread grooves in a threaded mode, the ends, far away from each other, of the two lead screws (14) are rotatably mounted in the two corresponding connecting grooves, first bevel gears (15) are fixedly sleeved on the two lead screws (14), second bevel gears (17) are welded at the top ends of the two lead screws (16), and the second bevel gears (17) are meshed with the corresponding first bevel.