CN211390824U

CN211390824U - Drawing board convenient to adjust for students

Info

Publication number: CN211390824U
Application number: CN201922121970.8U
Authority: CN
Inventors: 伍慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-01
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a drawing board convenient for adjustment for students, which comprises a fixed frame, wherein both sides of the inside of the fixed frame are all connected with an elongated plate in a sliding way, both side edges of the top of the fixed frame are provided with mounting grooves, the top of the mounting groove is movably inserted with a sliding rod, one end of the bottom of the sliding rod and positioned in the mounting groove is fixedly welded with the sliding plate, the surface of the sliding rod and positioned between the sliding plate and the top of the mounting groove are wound with a spring, the bottom of the sliding plate is welded with an inserting rod, the bottom of the inserting rod penetrates through the side wall of the fixed frame and extends to the inside of the fixed frame, the utility model effectively solves the problems that the prior drawing board is generally large, occupies most of the space of a backpack, is inconvenient for users to carry, leads to poor use experience of the users, and cannot adjust the angle when the drawing board is not, the use requirements of the user cannot be met.

Description

Drawing board convenient to adjust for students

Technical Field

The utility model relates to a drawing board technical field specifically is a student is with drawing board convenient to adjust.

Background

Drawing board: sketching and painting are often performed with a flat board on which a piece of paper is laid, often on a carriage, also on a square knee or on a desk.

However, there are some disadvantages in the conventional using process, such as:

1. the existing drawing board is usually large, occupies the space of most backpacks, is inconvenient for a user to carry, and causes poor use experience of the user.

2. When the existing drawing board is not matched with a easel for use, the angle can not be adjusted, and the use requirement of a user can not be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a student is with drawing board convenient to adjust to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the sliding type balance frame comprises a fixed frame, wherein both sides of the inside of the fixed frame are connected with lengthened plates in a sliding manner, mounting grooves are formed in the edges of both sides of the top of the fixed frame, a sliding rod is movably inserted in the top of the mounting groove, a sliding plate is fixedly welded at the bottom of the sliding rod and at one end inside the mounting groove, a spring is wound on the surface of the sliding rod and between the sliding plate and the top of the mounting groove, an insertion rod is welded at the bottom of the sliding plate, the bottom of the insertion rod penetrates through the side wall of the fixed frame and extends into the fixed frame, one end of the insertion rod extending into the fixed frame is connected with the top of the lengthened plates in a clamping manner, a limiting plate is fixedly welded at the top of the sliding rod, the top of the back of the fixed frame is connected with a support plate through a rotating seat in a rotating manner, a balance rod is rotatably connected to the surface, and a bolt is inserted into one side of the supporting plate in a threaded manner, and one end of the bolt, which is positioned inside the supporting plate, is in threaded connection with the balancing rod.

The handle is fixedly welded between the tops of the limiting plates, and the anti-slip sleeve is fixedly sleeved on the surface of the handle.

The two ends of one side of the lengthened plate, which is positioned inside the fixing frame, are fixedly provided with moving wheels, and the top and the bottom of the inner wall of the fixing frame are provided with sliding grooves matched with the moving wheels.

The top of the lengthened plate is provided with a plurality of clamping grooves matched with the inserted rods, and the clamping grooves are uniformly distributed on the top surface of the lengthened plate in a linear array at equal intervals.

And one side surface of the fixing frame is provided with an accommodating groove matched with the balance rod.

And handles are fixedly welded at the middle part of the surface of one side, away from each other, of the lengthened plate.

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

1. through fixed frame, the extension plate, the handle, the mounting groove, the slide bar, a spring, the sliding plate, the mating reaction of inserted bar and limiting plate, can be through the pulling handle, make the handle drive the limiting plate rebound on vertical direction, the limiting plate drives the slide bar and removes, the extrusion spring, the slide bar passes through the sliding plate and drives the inserted bar removal, make the inserted bar break away from with the extension plate, then the pulling extension plate removes to the direction of keeping away from each other or being close to, make taking in or expansion of extension plate, then loosen the handle, because the restitution elasticity effect of spring, make the spring resume initial position and extension plate block through promoting the sliding plate drive inserted bar, fix the extension plate, can reduce the volume of drawing board, and the user of being convenient for carries, user's use experience has been promoted.

2. Through the mating reaction of fixed frame, backup pad, balancing pole and bolt, rotate the backup pad earlier, then rotate the balancing pole to horizontal position, insert the inside of backup pad with the one end of balancing pole, then according to the angle of the drawing of user's needs, rotate the backup pad, then just tighten the bolt to the angle of fixed drawing board can be adjusted different angles and is drawn, satisfies user's demand.

Drawings

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

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

FIG. 3 is a rear view of the overall structure of the present invention;

fig. 4 is an enlarged structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1-fixing frames; 2-lengthening a plate; 3-a handle; 4-a balance bar; 5-a support plate; 6-bolt; 7-accommodating the tank; 8-a limiting plate; 9-mounting grooves; 10-a card slot; 11-a plunger; 12-a slide plate; 13-a spring; 14-slide bar.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the fixing frame comprises a fixing frame 1, wherein lengthened plates 2 are connected to two sides in the fixing frame 1 in a sliding manner, mounting grooves 9 are formed in two side edges of the top of the fixing frame 1, sliding rods 14 are movably inserted into the tops of the mounting grooves 9, a sliding plate 12 is fixedly welded to the bottom of each sliding rod 14 and one end of each sliding rod 14, which is located in each mounting groove 9, a spring 13 is wound on the surface of each sliding rod 14 and is located between each sliding plate 12 and the top of each mounting groove 9, an inserting rod 11 is welded to the bottom of each sliding plate 12, the bottom of each inserting rod 11 penetrates through the side wall of the fixing frame 1 and extends into the fixing frame 1, one end of each inserting rod 11, which extends into the fixing frame 1, is connected with the top of each lengthened plate 2 in a clamping manner, a limiting plate 8 is fixedly welded to the top of the back of the fixing frame 1, a supporting, one end, far away from the fixed frame 1, of the balance rod 4 penetrates through the supporting plate 5 and extends to the outside of the supporting plate 5, a bolt 6 is inserted into one side of the supporting plate 5 in a threaded mode, and one end, located inside the supporting plate 5, of the bolt 6 is in threaded connection with the balance rod 4.

Wherein, fixed welding has handle 3 between the top of limiting plate 8, and the fixed surface of handle 3 has cup jointed the antiskid cover, is convenient for spur the limiting plate 8 of both sides simultaneously, and is quick accomodate or expand this drawing board.

Wherein, the equal fixed mounting in both ends that extension board 2 is located fixed frame 1 inside one side has the removal wheel, and the spout with removing wheel looks adaptation is all seted up to the inner wall top and the bottom of fixed frame 1, has increased the smoothness that extension board 2 removed.

Wherein, a plurality of draw-in grooves 10 with 11 looks adaptations of inserted bar are all seted up at the top of extension board 2, and draw-in groove 10 is linear array equidistance even distribution at the top surface of extension board 2, can adjust the size of this drawing board according to the demand of drawing paper, has increased the practicality.

Wherein, holding tank 7 with balancing pole 4 looks adaptation is seted up to one side surface of fixed frame 1, accomodates balancing pole 4, the placing of backup pad 5 of being convenient for.

Wherein, the equal fixed welding in the department placed in the middle of one side surface that lengthened plate 2 kept away from each other has the handle, is convenient for spur lengthened plate 2 and removes, is convenient for hang this drawing board through the handle simultaneously and places.

The working principle is as follows: when the drawing board is used, the handle 3 can be pulled to enable the handle 3 to drive the limiting plate 8 to move upwards in the vertical direction, the limiting plate 8 drives the sliding rod 14 to move, the spring 13 is extruded, the sliding rod 14 drives the inserting rod 11 to move through the sliding plate 12, the inserting rod 11 is separated from the lengthened plate 2, then the lengthened plate 2 is pulled to move in the direction away from or close to each other, the lengthened plate 2 is stored or unfolded, then the handle 3 is loosened, due to the restoring elastic action of the spring 13, the spring 13 drives the inserting rod 11 to restore to the initial position through pushing the sliding plate 12 to be clamped with the lengthened plate 2, the lengthened plate 2 is fixed, the size of the drawing board can be reduced, the drawing board is convenient to carry by a user, the use experience of the user is improved, when the drawing board is used independently without being matched with an easel, the angle needs to be adjusted, the supporting plate 5 is rotated firstly, then, insert the inside of backup pad 5 with the one end of balancing pole 4, then according to the angle of the drawing of user's needs, rotate backup pad 5 to suitable angle, then just screw up bolt 6 to the angle of fixed drawing board can be adjusted different angles and is drawn, satisfies user's demand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a student is with drawing board convenient to adjust, includes fixed frame (1), its characterized in that: the fixing frame is characterized in that lengthened plates (2) are connected to two sides of the inside of the fixing frame (1) in a sliding mode, mounting grooves (9) are formed in the edges of two sides of the top of the fixing frame (1), sliding rods (14) are movably inserted into the tops of the mounting grooves (9), sliding plates (12) are fixedly welded to the bottoms of the sliding rods (14) and located at the ends inside the mounting grooves (9), springs (13) are wound on the surfaces of the sliding rods (14) and located between the sliding plates (12) and the tops of the mounting grooves (9), inserting rods (11) are welded to the bottoms of the sliding plates (12), the bottoms of the inserting rods (11) penetrate through the side walls of the fixing frame (1) and extend into the fixing frame (1), one ends of the inserting rods (11) extending into the fixing frame (1) are connected with the tops of the lengthened plates (2) in a clamping mode, and limiting plates (8) are fixedly welded, the utility model discloses a fixed frame, including fixed frame (1), backup pad (5), balancing pole (4), one end that fixed frame (1) was kept away from in balancing pole (4) runs through backup pad (5) and extends to the outside that extends to backup pad (5), one side screw thread grafting of backup pad (5) has bolt (6), bolt (6) are located backup pad (5) inside one end and balancing pole (4) threaded connection through rotating the seat rotation even there are backup pad (5) at the back top of fixed frame (1), the bottom rotation of fixed frame (1) is connected with balancing pole (4), the one end that fixed frame (1) was kept away from in balancing pole.

2. The adjustable drawing board for students according to claim 1, wherein: the handle (3) is fixedly welded between the tops of the limiting plates (8), and the anti-skid sleeve is fixedly sleeved on the surface of the handle (3).

3. The adjustable drawing board for students according to claim 1, wherein: the both ends that extension board (2) are located fixed frame (1) inside one side all fixed mounting have the removal wheel, and the spout with removing wheel looks adaptation is all seted up to the inner wall top and the bottom of fixed frame (1).

4. The adjustable drawing board for students according to claim 1, wherein: the top of the lengthened plate (2) is provided with a plurality of clamping grooves (10) matched with the inserting rods (11), and the clamping grooves (10) are uniformly distributed on the top surface of the lengthened plate (2) in a linear array at equal intervals.

5. The adjustable drawing board for students according to claim 1, wherein: and one side surface of the fixed frame (1) is provided with an accommodating groove (7) matched with the balance rod (4).

6. The adjustable drawing board for students according to claim 1, wherein: handles are fixedly welded at the middle part of the surface of one side, away from each other, of the lengthened plate (2).