CN218876752U

CN218876752U - Drawing board convenient to it is folding

Info

Publication number: CN218876752U
Application number: CN202223206593.6U
Authority: CN
Inventors: 徐南; 郑欣
Original assignee: Luohe Vocational Technology College
Current assignee: Luohe Vocational Technology College
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-18
Anticipated expiration: 2032-12-01

Abstract

The utility model provides a drawing board convenient to it is folding, the effectual angle regulation and locking of being convenient for and the folding effect of being convenient for that has reached, which comprises a table, some first recesses are seted up to the upper end of desk, and the left and right sides of first recess all rotates even has the bracing piece, the spout has all been seted up to the left and right sides of first recess, the top of first recess is equipped with the drawing board body, the equal fixedly connected with traveller in the left and right sides of drawing board body, every traveller all sliding connection in the spout that corresponds, the drawing board body rotates with the bracing piece that corresponds to be connected, the inside stop gear that is equipped with of traveller that is located drawing board body right side, the utility model discloses novel structure thinks about ingeniously, and easy operation is convenient.

Description

Drawing board convenient to it is folding

Technical Field

The utility model belongs to the technical field of the drawing board technique and specifically relates to a drawing board convenient to it is folding is related to.

Background

1. Understanding that: preschool education is also called preschool education, which means that a mechanism for implementing preschool education can perform planned education on preschool children before going to primary schools according to a certain cultivation target and physical and mental characteristics of the preschool children, and the main task is to enable the preschool children to obtain the harmonious development of mind and body and prepare for the preschool children to receive the education at the primary school stage.

2. And (3) retrieval: related patents such as drawing boards in the field are searched in a patent library, and hundreds of patents are searched. Among them, the following two are more similar to the technical problems and technical features to be solved by the present application;

3. citation: the existing drawing board is supported by a tripod, when the angle of the drawing board is adjusted forwards, the distance between the front supporting leg and the rear supporting leg is too small, so that the inclination range is small, the stability is poor, when the angle of the drawing board is adjusted backwards, the distance between the front supporting leg and the rear supporting leg is too large, and the occupied space is also large.

4. In the utility model patent of chinese patent No. 202121114357.4, a portable drawing board for preschool education is disclosed, including the receiver, the spacing groove has all been seted up to the front and back side of receiver inner wall. The device makes second backup pad bottom and spacing groove break away from through the pulling handle, then rotates the second backup pad and laminates with first backup pad bottom, falls the apron again and covers the receiver to make the holistic volume of device reduce, portable, the pulling handle makes second backup pad bottom break away from the spacing groove, rotates the suitable angle of second backup pad adjustment and puts down the handle again, the bottom and the spacing groove block of second backup pad.

5. In the invention patent with the Chinese patent number of 202022689059.x, a drawing board for preschool education with good stability is disclosed, which comprises a table plate, a placing frame and a hollow cylinder, wherein a placing groove is formed in the upper side face of the table plate, a limiting block is arranged on the rear upper side face inside the placing groove, first connecting shafts are arranged on the left side face and the right side face inside the placing groove, the first connecting shafts are arranged on the front sides of the limiting blocks, a drawing board is arranged inside the placing groove, the drawing board is rotatably connected with the placing groove through the first connecting shafts, a handle is arranged on the rear upper side face of the drawing board, fixed blocks are arranged on the rear lower side face of the drawing board, supporting rods are arranged between the fixed blocks, and the supporting rods are connected with the fixed blocks through second connecting shafts.

6. To summarize: for this related patent, the inventors consider here: this patent is though can carry out angle modulation, and is more troublesome when angle modulation, still needs the card to advance the spacing inslot that corresponds to try until suitable angle, when secondly receiving external collision during the use, can lead to the second backup pad to lift up and rotate round the second dwang to cause the second backup pad card to advance other spacing grooves, still need carry out secondary control, can not carry out the locking.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a drawing board convenient to fold, the utility model discloses novel structure thinks about ingeniously, and easy operation is convenient, has effectually reached the angle regulation and the locking of being convenient for and the folding effect of being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a desk, first recess has been seted up to the upper end of desk, and the left and right sides of first recess all rotates even there is the bracing piece, the spout has all been seted up to the left and right sides of first recess, the top of first recess is equipped with the drawing board body, the equal fixedly connected with traveller of the left and right sides of drawing board body, every traveller all sliding connection in the spout that corresponds, the drawing board body rotates with the bracing piece that corresponds to be connected, the inside stop gear that is equipped with of traveller that is located drawing board body right side.

Preferably, stop gear including with the inside of drawing board body right side traveller seted up the through-hole, the inside sliding connection of through-hole has spacing post, the left end fixedly connected with spacing spring of spacing post, the second recess has been seted up to the upper end of drawing board body, and the inside of second recess rotates and is connected with the limiting plate, and a plurality of spacing grooves have been seted up to the first recess in right side is inside, and limiting plate, through-hole, spacing post and the cooperation that corresponds the spacing groove form the limit structure of drawing board body.

Preferably, a plurality of circular slots have all been seted up to the left and right sides of drawing board body, and the equal sliding connection in inside of every circular slot has the removal post, and the equal fixedly connected with clamp plate in upper end of every removal post, the outside of every removal post all is equipped with a buffer spring.

Preferably, the upper end of the drawing board body is provided with a portable groove.

Preferably, a plurality of storing chambeies have been seted up to the lower extreme of drawing board body.

Compared with the prior 202121114357.4 and 202022689059.x, the utility model has the following technical effects:

1. when the foldable drawing board is used, the drawing board body and the first groove are in an original state when being parallel and level, the limiting mechanism is opened, one hand is inserted into the hand groove, then the drawing board body is lifted upwards, the sliding columns on the left side and the right side of the drawing board body move backwards in the sliding grooves, meanwhile, when the drawing board moves backwards, the drawing board body rotates around the front ends of the supporting rods, the supporting rods on the left side and the right side are driven to ascend along with the lifting of the drawing board body and support the drawing board body, the limiting mechanism is limited when the drawing board body moves to a specified position, and therefore the angle of inclination of the drawing board body is adjusted, the foldable drawing board is suitable for different children, the drawing board body is restored to the original state when not used, namely the foldable drawing board body can be used as a desk, and the phenomenon that people forget to carry the drawing board when the drawing board body is used is avoided.

2. When using, upwards spur the clamp plate, the clamp plate drives the removal post and rises, removes the post and extrudees buffer spring when rising, when the clamp plate removed the assigned position, rotates the clamp plate and extrudees the drawing paper, and the fixed of other several angles is also according to this step, when not using, continues rotatory clamp plate buffer spring drive removal post and clamp plate down to move and reset, then the clamp plate is relieved spacing to the drawing paper.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic sectional view of the middle table of the present invention.

FIG. 3 is a schematic view of the cross section of the middle circular groove of the present invention

Reference numerals:

1: a table; 2: a first groove; 3: a support bar; 4: a chute; 5: a traveler; 6: a limiting mechanism; 601: a through hole; 602: a limiting column; 603: a limiting spring; 604: a second groove; 605: a limiting plate; 7: a circular groove; 8: moving the column; 9: pressing a plate; 10: a buffer spring; 11: a hand-held slot; 12: a storage chamber; 13: a drawing board body; a limiting groove 14.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 3. The contents of the following examples are all referred to in the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1, the utility model discloses a table 1, the first groove 2 with a large upper end of the table 1 is in a shape of a letter "convex", the rear ends of the supporting rods 3 on the left and right sides are rotatably connected with the first groove 2 in the rear end positions corresponding to the first groove 2, the front ends of the supporting rods 3 are rotated with the middle positions on the left and right sides of the drawing board body 13, the sliding chutes 4 are arranged on the left and right sides of the front end position of the first groove 2, the sliding posts 5 are fixed on the left and right sides of the front end position of the drawing board body 13, the sliding posts 5 on the left and right sides slide back and forth along the corresponding sliding chutes 4, the limiting mechanisms 6 are arranged inside the sliding posts 5 on the right side of the drawing board body 13, so as to limit the drawing board body 13 conveniently, and the transverse hand-held grooves 11 are arranged on the front end of the drawing board body 13;

when using, be primitive state when drawing board body 13 and first 2 parallel and level of recess, stop gear 6 is opened, one hand injects in portable groove 11, then lift up drawing board body 13, slide 5 of the left and right sides of drawing board body 13 carries out backward movement in spout 4, meanwhile when the drawing board moves backward, drawing board body 13 rotates round 3 front ends of bracing piece, also move the bracing piece 3 of the left and right sides along with the rising of drawing board body 13 and rise and support drawing board body 13, stop gear 6 carries on spacingly when drawing board body 13 moves to the assigned position, thereby reach and adjust the inclination of drawing board body 13, so as to adapt to different children, also conveniently fold when not using and use as the desk, avoided forgetting to carry when using.

In the second embodiment, based on the first embodiment, as shown in fig. 2, in order to achieve the purpose of limiting the drawing board body 13, the through hole 601 penetrates through the right slide post 5 from left to right, the second groove 604 is communicated with the through hole 601, the limiting post 602 slides in the through hole 601 and the second groove 604 from left to right in an L shape, the left end of the limiting post 602 is fixed by a limiting spring 603, the other end of the limiting spring 603 is fixed with the drawing board body 13, the upper end inside the second groove 604 is provided with a limiting plate 605, and the inside of the right first groove 2 is provided with limiting grooves 14 arranged in the front and back;

the limiting post 602 is clamped into the limiting groove 14 to be in an original state, when the limiting device is used, the limiting plate 605 is turned over, the limiting post 602 is pulled leftwards, the limiting post 602 extrudes the limiting spring 603, the limiting post 602 is separated from the limiting groove 14, the limiting post 602 falls into the range of the limiting plate 605 at the moment, the limiting plate 605 is rotated rightwards to be clamped at the upper end of the limiting post 602, and the limiting post 602 is limited.

Third embodiment, on the basis of the first embodiment, as shown in fig. 3, in order to achieve the purpose of limiting the drawing paper, circular grooves 7 are formed at the left end, the right end, the upper end and the lower end of a drawing board body 13, a pressing plate 9 is fixed at the upper end of a moving column 8, the moving column 8 can rotate up and down in the circular grooves 7, and a buffer spring 10 is sleeved outside the moving column 8;

when the automatic drawing device is used, the pressing plate 9 is pulled upwards, the pressing plate 9 drives the movable column 8 to ascend, the movable column 8 extrudes the buffer spring 10 when ascending, when the pressing plate 9 moves to a specified position, the pressing plate 9 is rotated by 90 degrees to extrude drawing paper, other angles are fixed according to the step, when the automatic drawing device is not used, the pressing plate 9 continues to rotate, the buffer spring 10 for 90 degrees drives the movable column 8 and the pressing plate 9 to move downwards to reset, and then the pressing plate 9 relieves the limitation on the drawing paper.

In a fourth embodiment, based on the first embodiment, as shown in fig. 3, in order to achieve the object of storing, the lower end of the drawing board body 13 is provided with a plurality of rectangular storage cavities 12 arranged left and right, and the rectangular storage cavities can be used for storing brushes.

The utility model discloses during the use: when the drawing board body 13 is level with the first groove 2, the drawing board body 13 is in an original state, one hand is inserted into the handheld groove 11, then the drawing board body 13 is lifted upwards, the sliding posts 5 on the left side and the right side of the drawing board body 13 move backwards in the sliding grooves 4, meanwhile, when the drawing board moves backwards, the drawing board body 13 rotates around the front ends of the supporting rods 3, the supporting rods 3 on the left side and the right side are also driven to ascend along with the lifting of the drawing board body 13 and support the drawing board body 13, when the drawing board body 13 moves to a specified position, the limiting mechanism 6 limits the position, the pressing plate 9 is pulled upwards, the pressing plate 9 drives the moving post 8 to ascend, the moving post 8 extrudes the limiting spring 603 when the moving post 8 ascends, when the pressing plate 9 moves to the specified position, the pressing plate 9 rotates 90 degrees to extrude the drawing paper, other angles are fixed according to the steps, when the drawing board is not used, the pressing plate 9 continuously rotates to drive the moving post 8 and the pressing plate 9 to move downwards for resetting for the limiting spring 603 for 90 degrees, then the pressing plate 9 is released, and the limiting paper is stored in the storage cavity 12.

The utility model discloses novel structure thinks about ingeniously, and easy operation is convenient, through this design effectually reached be convenient for angle regulation and locking and be convenient for folding effect.

While the present invention has been described in detail with respect to the preferred embodiments thereof, it will be understood that the above description should not be construed as limiting the present invention, but is intended to cover various modifications and alternative embodiments thereof which will become apparent to those skilled in the art upon reading the foregoing description. Therefore, the scope of the present invention should be defined by the appended claims.

Claims

1. The utility model provides a drawing board convenient to it is folding, includes desk (1), its characterized in that, first recess (2) have been seted up to the upper end of desk (1), and the left and right sides of first recess (2) all rotates and even has bracing piece (3), spout (4) have all been seted up to the left and right sides of first recess (2), the top of first recess (2) is equipped with drawing board body (13), the equal fixedly connected with traveller (5) of the left and right sides of drawing board body (13), and every traveller (5) all slide connection in spout (4) that correspond, drawing board body (13) rotate with bracing piece (3) that correspond and are connected, traveller (5) inside that is located drawing board body (13) right side is equipped with stop gear (6).

2. The drawing board convenient to fold as claimed in claim 1, wherein the limiting mechanism (6) comprises a through hole (601) formed inside a right sliding pillar (5) of the drawing board body (13), a limiting pillar (602) slidably connected inside the through hole (601), a limiting spring (603) fixedly connected to the left end of the limiting pillar (602), a second groove (604) formed in the upper end of the drawing board body (13), a limiting plate (605) rotatably connected to the inside of the second groove (604), a plurality of limiting grooves (14) formed inside a right first groove (2), and a limiting structure formed by matching the limiting plate (605), the through hole (601), the limiting pillar (602) and the corresponding limiting groove (14) to form the limiting structure of the drawing board body (13).

3. The drawing board convenient to fold as claimed in claim 1, wherein a plurality of circular grooves (7) are formed in the left side and the right side of the drawing board body (13), a moving column (8) is slidably connected inside each circular groove (7), a pressing plate (9) is fixedly connected to the upper end of each moving column (8), and a buffer spring (10) is sleeved on the outer side of each moving column (8).

4. A sketchpad convenient to fold according to claim 1, characterized in that a hand-held groove (11) is formed in the upper end of the sketchpad body (13).

5. The drawing board convenient to fold as claimed in claim 1, wherein the lower end of the drawing board body (13) is provided with a plurality of storage cavities (12).