CN215321729U

CN215321729U - Adjusting device for adjusting height and angle of drawing board

Info

Publication number: CN215321729U
Application number: CN202121414225.3U
Authority: CN
Inventors: 毛新星
Original assignee: Xiangnan University
Current assignee: Xiangnan University
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-28
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses an adjusting device for adjusting the height and the angle of a drawing board, which comprises a telescopic column, wherein the upper end of the telescopic column is hinged with a vertical frame, the right side of the vertical frame is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding way, the right side of the sliding block is fixed with a sleeve pipe, the sleeve pipe is connected with a guide column of a transverse frame in a sliding way, the upper end of the transverse frame is connected with a pressing plate through a spring, the utility model reduces the volume and is convenient to carry through the folding design, when the angle of the drawing board needs to be finely adjusted, the split bolt can be rotated, the threaded rod and the adjusting frame are driven by the thread to move up and down for adjustment, when the adjustment is needed to be carried out to a large extent, the clamp is loosened, so that the thread of the split bolt is separated from the threaded rod, and the positions of the threaded rod and the adjusting frame can be quickly adjusted.

Description

Adjusting device for adjusting height and angle of drawing board

Technical Field

The utility model relates to the technical field of art supplies, in particular to an adjusting device for adjusting the height and the angle of a drawing board.

Background

At present, a painting lover needs to carry various art tools such as a drawing board and an easel when painting from life in the field, and needs to support the painting from life and adjust a certain angle of the painting from life in the field by depending on the easel when in use, so that the painting from life in the field needs to carry various auxiliary painters.

The existing adjusting device is inconvenient to carry and adjust. Therefore, the present invention provides an adjusting device for adjusting the height and angle of a drawing board, so as to solve the problems mentioned in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjusting device for adjusting the height and the angle of a drawing board, so as to solve the problems in the background technology.

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

the adjusting device for adjusting the height and the angle of the drawing board comprises a telescopic column, wherein the upper end of the telescopic column is hinged with a vertical frame, the right side of the vertical frame is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding manner, the right side of the sliding block is fixedly provided with a sleeve, the sleeve is connected with a guide column of a transverse frame in a sliding manner, and the upper end of the transverse frame is connected with a pressing plate through a spring;

the articulated two steady rests in left side of horizontal frame, the steady rest is central symmetry setting about the guide post, sliding connection has the adjustment frame on the flexible post, adjustment frame fixed connection threaded rod, and the threaded rod passes the through-hole at flexible capital portion, and the centre gripping has the clip on the threaded rod, and the clip internal rotation is connected with split bolt, and split bolt is half bolt component of two symmetries, and the board bolt passes through elastic connection piece and connects, makes its natural state can open, the right side of adjustment frame is equipped with the slit that corresponds the steady rest, is equipped with joint groove and briquetting in the slit, and the right side of briquetting is equipped with clamping bolt, drives the briquetting through clamping bolt and rotates for the cylinder of briquetting passes the through-hole of steady rest, fixes the steady rest.

As a further scheme of the utility model, the round piece is rotationally connected in the sleeve, and the spring is fixedly connected between the round piece and the guide post, so that the transverse frame can be accommodated in the sliding groove.

As a further scheme of the utility model, the lower end of the transverse frame and the pressing plate are U-shaped, so that the drawing board can be conveniently clamped.

As a further scheme of the utility model, the lower end of the telescopic column is hinged with two supporting legs, the upper sides of the supporting legs are provided with placing grooves, inclined rods are hinged in the placing grooves, and slots corresponding to the inclined rods are arranged on the telescopic column, so that the supporting area is increased, and the stability is improved.

As a further scheme of the present invention, an elastic pad is fixed at the lower end of the telescopic column, and the elastic pad is spherical to adapt to the inclination of the telescopic column.

As a still further aspect of the present invention, the lower end of the split bolt is rotatably coupled in the groove of the clip such that the split bolt cannot move up and down.

As a further scheme of the utility model, the pressing block can be replaced by an arc-shaped elastic sheet to fix the stabilizing frame.

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

1. the portable folding chair has the advantages that the folding design is adopted, the size is reduced, and the carrying is convenient.

2. When the angle of drawing board is finely tuned to needs, rotatable split bolt utilizes the screw thread to drive the threaded rod and the adjusting frame and reciprocates, adjusts, when needing to adjust by a wide margin, loosens the clip for split bolt's screw thread breaks away from the threaded rod, and quick adjustment threaded rod and adjusting frame's position can carry out quick adjustment.

Drawings

Fig. 1 is a front view structural diagram of a first embodiment of an adjusting device for adjusting the height and the angle of a drawing board.

Fig. 2 is a schematic top-view structural diagram of a first embodiment of an adjusting device for adjusting the height and the angle of a drawing board.

Fig. 3 is a schematic sectional view along the direction a-a in fig. 2.

Fig. 4 is an exploded view of a first embodiment of an adjusting device for adjusting the height and angle of a drawing board.

Fig. 5 is a schematic perspective structure diagram of a first embodiment of an adjusting device for adjusting the height and angle of a drawing board.

Fig. 6 is a schematic structural diagram of an adjusting frame in an adjusting device for adjusting the height and angle of a drawing board.

Fig. 7 is a schematic structural diagram of an adjusting frame of the second embodiment in an adjusting device for adjusting the height and the angle of the drawing board.

In the figure: 1. a telescopic column; 2. supporting legs; 3. a diagonal bar; 4. a vertical frame; 5. a transverse frame; 6. a sliding groove; 7. a slider; 8. pressing a plate; 9. a stabilizer frame; 10. an adjusting frame;

11. a threaded rod; 12. a clip; 13. a split bolt; 14. clamping the bolt; 15. briquetting; 16. an elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 6, in the embodiment of the present invention, an adjusting device for adjusting the height and the angle of a drawing board includes a telescopic column 1, an upper end of the telescopic column 1 is hinged to a vertical frame 4, a sliding groove 6 is arranged on the right side of the vertical frame 4, a sliding block 7 is slidably connected in the sliding groove 6, a sleeve is fixed on the right side of the sliding block 7, the sleeve is slidably connected to a guide post of a transverse frame 5, an upper end of the transverse frame 5 is connected to a pressing plate 8 through a spring, a wafer is rotatably connected in the sleeve, and a spring is fixedly connected between the wafer and the guide post, so that the transverse frame 5 can be accommodated in the sliding groove 6;

the lower end of the transverse frame 5 and the pressing plate 8 are both U-shaped, so that a drawing board can be conveniently clamped, the left side of the transverse frame 5 is hinged with two stabilizing frames 9, the stabilizing frames 9 are arranged in central symmetry relative to the guide column, the lower end of the telescopic column 1 is hinged with two supporting legs 2, the upper side of each supporting leg 2 is provided with a placing groove, an inclined rod 3 is hinged in the placing groove, a slot corresponding to the inclined rod 3 is formed in the telescopic column 1, the supporting area is increased, the stability is improved, an elastic cushion is fixed at the lower end of the telescopic column 1 and is spherical so as to adapt to the inclination of the telescopic column 1;

sliding connection has the adjusting frame 10 on the flexible post 1, adjusting frame 10 fixed connection threaded rod 11, and threaded rod 11 passes the through-hole at 1 top of flexible post, and the centre gripping has clip 12 on the threaded rod 11, and the rotation is connected with split bolt 13 in clip 12, and split bolt 13 is half the bolt component of two symmetries, and the board bolt passes through elastic connection piece and connects, makes its natural state can open, split bolt 13's lower extreme rotates to be connected in clip 12's recess for split bolt 13 can not the up-and-down motion, the right side of adjusting frame 10 is equipped with the slit that corresponds steadying frame 9, is equipped with joint groove and briquetting 15 in the slit, and the right side of briquetting 15 is equipped with clamping bolt 14, drives briquetting 15 through clamping bolt 14 and rotates for the cylinder of briquetting 15 passes the through-hole of steadying frame 9, fixes steadying frame 9.

Example two

Referring to fig. 7, in the embodiment of the present invention, the pressing block 15 may be replaced by an arc-shaped elastic sheet 16 to fix the stable frame 9.

The working principle of the utility model is as follows: during the use, increase area of contact through supporting leg 2 and down tube 3, improve stability, 1 height-adjusting of flexible post, take sliding tray 6 out with horizontal frame 5, utilize the spring to press horizontal frame 5 on vertical frame 4, adjust the position of horizontal frame 5 through slider 7, open steady rest 9 for the tip through-hole of steady rest 9 is located the slit of adjusting frame 10, rotate clamping bolt 14, articulate steady rest 9, fix the drawing board through clamp plate 8 again.

When the angle of drawing board is finely tuned to needs, rotatable split bolt 13 utilizes the screw thread to drive threaded rod 11 and adjusting frame 10 and reciprocates, adjusts, when needing to adjust by a wide margin, loosens clip 12 for split bolt 13's screw thread breaks away from threaded rod 11, and quick adjustment threaded rod 11 and adjusting frame 10's position can carry out quick adjustment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The adjusting device for adjusting the height and the angle of the drawing board comprises a telescopic column (1) and is characterized in that the upper end of the telescopic column (1) is hinged with a vertical frame (4), the right side of the vertical frame (4) is provided with a sliding groove (6), a sliding block (7) is connected in the sliding groove (6) in a sliding manner, the right side of the sliding block (7) is fixed with a sleeve, the sleeve is connected with a guide column of a transverse frame (5) in a sliding manner, and the upper end of the transverse frame (5) is connected with a pressing plate (8) through a spring;

articulated two steady rests (9) in left side of horizontal frame (5), steady rest (9) are central symmetry setting about the guide post, sliding connection has adjusting frame (10) on flexible post (1), adjusting frame (10) fixed connection threaded rod (11), and threaded rod (11) pass the through-hole at flexible post (1) top, and the centre gripping has clip (12) on threaded rod (11), and clip (12) internal rotation is connected with split bolt (13), the right side of adjusting frame (10) is equipped with the slit that corresponds steady rest (9), is equipped with joint groove and briquetting (15) in the slit, and the right side of briquetting (15) is equipped with clamping bolt (14).

2. The device for adjusting the height and the angle of the drawing board according to claim 1, wherein a disc is rotatably connected in the sleeve, and a spring is fixedly connected between the disc and the guide post.

3. The device for adjusting the height and angle of the drawing board according to claim 1, wherein the lower end of the transverse frame (5) and the pressing plate (8) are U-shaped.

4. The adjusting device for adjusting the height and the angle of the drawing board according to claim 1, wherein the lower end of the telescopic column (1) is hinged with two supporting legs (2), the upper side of each supporting leg (2) is provided with a placing groove, an inclined rod (3) is hinged in the placing groove, and the telescopic column (1) is provided with a slot corresponding to the inclined rod (3).

5. The device for adjusting the height and the angle of the drawing board according to claim 1, wherein an elastic cushion is fixed at the lower end of the telescopic column (1), and the elastic cushion is spherical.

6. The device for adjusting the height and angle of the drawing board according to claim 1, wherein the lower end of the split bolt (13) is rotatably connected in the groove of the clamp (12).

7. The device for adjusting the height and the angle of the drawing board according to claim 1, wherein the pressing block (15) can be replaced by an arc-shaped elastic sheet (16).