CN218558435U

CN218558435U - Folding portable drawing board

Info

Publication number: CN218558435U
Application number: CN202222214146.9U
Authority: CN
Inventors: 余娟; 刘佳欢; 黄佳妮; 吕露; 冯秋萍
Original assignee: Individual
Current assignee: Xianning Vocational Technical College
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-03-03
Anticipated expiration: 2032-08-23

Abstract

The utility model provides a folding portable drawing board, which relates to the technical field of art supplies and comprises a bottom plate; the bottom plate top intermediate position is fixedly connected with the bottom intermediate position of branch, and the top front end position of branch rotates with to put a seat rear end position and is connected, puts the front end position fixedly connected with main drawing board of seat, puts the side intermediate position of seat and rotates and be connected with the two-way pole, and the body of rod of two-way pole is provided with two-way screw thread. When two are assisted drawing board synchronous motion front end position break away from with the main drawing board rear end position after the laminating, the spring of two bullet framves will be in the state of extending, makes it drive to assist the drawing board and impel forward, and then makes the front end position of two assistance drawing boards flush mutually with the front end position of main drawing board, accomplishes the expansion step of this device. In order to solve current folding fine arts slide and need both sides position to adjust respectively when both sides extend, can't carry out synchronous school and transfer, the more problem of elapsed time.

Description

Folding portable drawing board

Technical Field

The utility model belongs to the technical field of art supplies, more specifically say, in particular to foldable portable drawing board.

Background

The drawing board is a flat board which is often used for backing up drawing paper during sketch and drawing, is often placed on an easel and also can be placed on a knee for drawing, is mostly wooden, has a hollow structure and light weight, can be fixed on the drawing board by nails or adhesive tapes for drawing, and is mostly folded to be stored and carried by a portable drawing board for the use of portable drawing personnel.

The following shortcomings still exist for the current folding portable drawing board: the position of both sides needs to be adjusted respectively when present folding fine arts slide extends both sides, can't carry out synchronous school and transfer, and the elapsed time is more.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a foldable portable drawing board is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a foldable portable drawing board to solve current folding fine arts slide and need both sides position to adjust respectively when both sides extend, can't carry out synchronous school and transfer, the more problem of consumption time.

The utility model discloses purpose and the efficiency of foldable portable drawing board reach by following concrete technical means:

the folding portable drawing board comprises a bottom plate; the bottom plate top intermediate position is fixedly connected with the bottom intermediate position of branch, and the top front end position of branch rotates with to put a rear end position and is connected, puts the front end position fixedly connected with main drawing board of seat, puts the side intermediate position of seat and rotates and be connected with the two-way pole, and the body of rod of two-way pole is provided with two-way screw thread, and the left and right sides position of two-way pole rotates respectively and is connected with an interval piece, and two interval pieces are located respectively and put a both sides position.

Furthermore, the upper end and the lower end of each of the two spacing blocks are respectively and rotatably connected with a linkage frame, the linkage frames at the upper ends of the two spacing blocks are respectively and rotatably connected with the two sides of one expanding piece, the linkage frames at the lower ends of the two spacing blocks are respectively and rotatably connected with the two sides of the other expanding piece, and the two expanding pieces are symmetrically arranged.

Furthermore, the front end of the expanding piece is fixedly connected with a U-shaped extending frame, the front end of the extending frame is slidably connected into a groove in the middle inside the elastic frame, and the length of the groove in the middle of the elastic frame is twice that of the front end of the extending frame.

Furthermore, a spring is arranged in the middle of the front end of the inner side of the bullet frame, and the rear end of the spring of the bullet frame is attached to the middle of the front end of the extension frame.

Furthermore, the outer end positions of the elastic frames are provided with limit bolts, and the front ends of the two elastic frames are fixedly connected with an auxiliary drawing board respectively.

Furthermore, the height of the auxiliary drawing board is one third of that of the main drawing board.

Compared with the prior art, the utility model discloses following beneficial effect has:

rotate two-way pole and make its two interval pieces carry out opposite direction and move and be close to, cooperation through interval piece and interlock frame makes its two expand the interval between the piece and increase, and then make the position of two assistance drawing boards remove to the outside position, when two assist drawing board synchronous motion front end position break away from with main drawing board rear end position's laminating after, the spring of two bullet framves will be in the state of extending, make it drive assist the drawing board and impel forward, and then make two front end positions of assisting the drawing board flush with the front end position of main drawing board mutually, accomplish the expansion step of this device, the condition of traditional single folding position of adjusting can be avoided through the above-mentioned operation.

In addition, the height of the auxiliary drawing board is one third of that of the main drawing board, and when the two auxiliary drawing boards are stored at the rear end of the main drawing board, the whole range of the main drawing board cannot be exceeded.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a left side view structure diagram of the present invention.

Fig. 2 is a schematic diagram of a partially enlarged structure at a in fig. 1 according to the present invention.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is a schematic diagram of the structure of the rear side view of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base plate; 101. a strut; 2. placing a seat; 201. a bi-directional lever; 202. a spacing block; 203. a linkage frame; 204. expanding the workpiece; 205. an extending frame; 206. a cartridge frame; 207. a limit bolt; 3. a main drawing board; 4. and (5) assisting the drawing board.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a folding portable drawing board, which comprises a bottom plate 1; the bottom intermediate position fixed connection of 1 top intermediate position of bottom plate and branch 101, the top front position of branch 101 with put 2 rear ends positions and rotate and be connected, the front end position fixedly connected with main drawing board 3 of putting 2, the side intermediate position of putting 2 rotates and is connected with two-way pole 201, the body of rod of two-way pole 201 is provided with two-way screw thread, and the left and right sides position of two-way pole 201 rotates respectively and is connected with an interval piece 202, two interval pieces 202 are located respectively and put 2 both sides positions of seat, the upper and lower both ends position of two interval pieces 202 rotates respectively and is connected with an interlock frame 203, the interlock frame 203 of two interval pieces 202 upper ends rotates respectively with an extension piece 204 both sides position and is connected, and the interlock frame 203 of two interval pieces 202 lower extremes respectively with another extension piece 204 both sides position and rotates and is connected, two extension pieces 204 are the symmetry setting.

The front end of the expanding piece 204 is fixedly connected with a U-shaped extending frame 205, the front end of the extending frame 205 is slidably connected in a groove in the middle inside the elastic frame 206, the groove in the middle of the elastic frame 206 is twice the length of the front end of the extending frame 205, a spring is arranged in the middle of the front end of the inner side of the elastic frame 206, the rear end of the spring of the elastic frame 206 is attached to the middle of the front end of the extending frame 205, the outer end of the elastic frame 206 is provided with a limit bolt 207, the bottom of the limit bolt 207 is attached to the extending frame 205 by rotating, the positions of the extending frame 205 and the elastic frame 206 are limited, the front end of the two elastic frames 206 are fixedly connected with one auxiliary drawing board 4 respectively, the heights of the auxiliary drawing boards 4 are one third of the height of the main drawing board 3 respectively, and the whole range of the main drawing board 3 cannot be exceeded when the two auxiliary drawing boards 4 are accommodated in the rear end of the main drawing board 3.

The specific use mode and function of the embodiment are as follows:

when the device is used, the whole device is firstly assembled, when the device needs to be unfolded, the two-way rod 201 is rotated to enable the two spacing blocks 202 to move oppositely to be close, the spacing between the two expansion pieces 204 is increased through the cooperation of the spacing blocks 202 and the linkage frame 203, then the positions of the two auxiliary drawing boards 4 move towards the outer side position, when the two auxiliary drawing boards 4 move synchronously, the front end positions are separated from the fit with the rear end position of the main drawing board 3, the springs of the two spring frames 206 are in the stretching state, the auxiliary drawing boards 4 are driven to push forwards, then the front end positions of the two auxiliary drawing boards 4 are flush with the front end position of the main drawing board 3, the unfolding step of the device is completed, and the situation that the folding position is adjusted singly in the traditional mode can be avoided through the operation.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Foldable portable drawing board, its characterized in that: comprises a bottom plate (1); bottom plate (1) top intermediate position and the bottom intermediate position fixed connection of branch (101), the top front end position of branch (101) with put seat (2) rear end position and rotate and be connected, the front end position fixedly connected with main drawing board (3) of putting seat (2), the side intermediate position of putting seat (2) rotates and is connected with two-way pole (201), the body of rod of two-way pole (201) is provided with two-way screw thread, and the left and right sides position of two-way pole (201) rotates respectively and is connected with one interval piece (202), two interval pieces (202) are located respectively and put seat (2) both sides position.

2. A folding portable drawing board according to claim 1, wherein: the upper end and the lower end of each of the two spacing blocks (202) are respectively and rotatably connected with a linkage frame (203), the linkage frames (203) at the upper ends of the two spacing blocks (202) are respectively and rotatably connected with the positions at the two sides of one expanding piece (204), the linkage frames (203) at the lower ends of the two spacing blocks (202) are respectively and rotatably connected with the positions at the two sides of the other expanding piece (204), and the two expanding pieces (204) are symmetrically arranged.

3. A folding portable drawing board according to claim 2, wherein: the front end of the expanding piece (204) is fixedly connected with a U-shaped extending frame (205), the front end of the extending frame (205) is slidably connected in a groove in the middle inside the spring frame (206), and the groove in the middle of the spring frame (206) is twice the length of the front end of the extending frame (205).

4. A folding portable drawing board according to claim 3, wherein: the middle position of the front end of the inner side of the bullet frame (206) is provided with a spring, and the rear end position of the spring of the bullet frame (206) is attached to the middle position of the front end of the extension frame (205).

5. The folding portable drawing board of claim 4, wherein: the outer end positions of the bullet frames (206) are provided with limit bolts (207), and the front ends of the two bullet frames (206) are fixedly connected with one auxiliary drawing board (4) respectively.

6. The folding portable drawing board of claim 5, wherein: the height of the auxiliary drawing board (4) is one third of that of the main drawing board (3).