CN109624595B

CN109624595B - Easel for art design

Info

Publication number: CN109624595B
Application number: CN201910090490.1A
Authority: CN
Inventors: 张蕾; 徐圣煌
Original assignee: Zhengzhou Institute of Technology
Current assignee: Zhengzhou Institute of Technology
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-09-15
Anticipated expiration: 2039-01-30
Also published as: CN109624595A

Abstract

The invention relates to an easel for art design, which comprises a bracket, wherein the bracket is provided with a rotatable lower supporting plate and an arc-shaped slide rail which is arranged above the lower supporting plate and is coaxial with the lower supporting plate, the arc-shaped slide rail is provided with a slidable slide block, the slide block is provided with an upper supporting plate which is arranged between the lower supporting plate and the arc-shaped slide rail and is parallel to the lower supporting plate, the upper supporting plate is connected with the slide block in a radial sliding manner along the axis of the lower supporting plate, and the upper supporting plate slides centripetally under the action of; a locking device is arranged between the sliding block and the arc-shaped sliding rail; the lower supporting plate and the upper supporting plate are respectively provided with a clamping device; the photovoltaic plate is arranged above the arc-shaped sliding rail and the sliding block, a through groove penetrating through the photovoltaic plate is formed in the photovoltaic plate, and at least two roll shafts arranged in the through groove are arranged on the support; the drawing board is internally provided with a cavity, the drawing board is provided with a plurality of micropores arranged on one side of the cavity, and the air compression equipment is connected with the cavity through a hose; the invention can realize the full-face lamination of the drawing paper or the canvas and the quick drying of the printing ink.

Description

Easel for art design

Technical Field

The invention relates to an art design tool, in particular to an easel for art design.

Background

In the learning and practice process of art design, a large amount of hand drawing, copying or sketching is generally needed, so that the easel is an indispensable design tool for designers; most of the existing easels adopt a simple triangular support to fix a drawing board on the easel, then paper or canvas is laid and fixed on the drawing board by means of nails, sticking or magnetic attraction and the like to draw; the paper or the canvas is damaged to different degrees by nail pressing or sticking, and the drawing area of the paper or the canvas is occupied by the nail pressing or the magnetic attraction, so that the fixing mode is not reasonable and humanized; meanwhile, the function of the existing easel is single, and although general use requirements can be met, the existing easel has functional limitations and defects under the conditions of outdoor sketching or scene collection and the like, and cannot deal with the interference brought to the design process by outdoor variable environmental factors.

Disclosure of Invention

In order to overcome the technical defects in the prior art, the invention provides the easel for art design, so that the interference of environmental factors on the art design process is avoided and eliminated to a certain extent.

The technical scheme for solving the problem is as follows: the device comprises a support, wherein a rotatable lower supporting plate with a horizontally arranged axis is arranged on the support, an arc-shaped sliding rail is arranged on the support and is coaxial with the rotating axis of the lower supporting plate, a sliding block capable of sliding along the arc-shaped sliding rail is arranged on the arc-shaped sliding rail, an upper supporting plate is arranged on the sliding block and is arranged between the lower supporting plate and the arc-shaped sliding rail and parallel to the lower supporting plate, the upper supporting plate is connected with the sliding block in a radial sliding mode along the rotating axis of the lower supporting plate, a spring is arranged between the upper supporting plate and the sliding block, and the upper supporting plate slides centripetally towards the direction of the lower; a locking device is arranged between the sliding block and the arc-shaped sliding rail and used for stopping the sliding block; the lower supporting plate and the upper supporting plate are respectively provided with a clamping device and are arranged opposite to each other; the photovoltaic panel is arranged above the arc-shaped sliding rail and the sliding block, a through groove penetrating through the photovoltaic panel along the rotating axis direction of the lower supporting plate is formed in the photovoltaic panel, at least two roller shafts capable of rotating on the support are arranged in the through groove in the support, and the displacement of the photovoltaic panel is realized through friction rolling between the through groove and the roller shafts; still include drawing board and air compression equipment, the inside cavity that is equipped with of drawing board, have a plurality of micropores of arranging cavity one side in on the drawing board and make cavity and outside intercommunication, air compression equipment and cavity through the hose connection of arranging the cavity opposite side in, take out the gas in with the cavity through air compression equipment and hose and make the outside air constantly get into the cavity through the micropore to produce suction on the face that micropore corresponds on the drawing board, adsorb the paper on the drawing board.

The negative pressure adsorption type easel adopts a negative pressure adsorption mode to fix the drawing paper or the canvas, not only has the basic functions of the existing easel, but also has the functions of comprehensively adhering the drawing paper or the canvas and increasing the air flow on the surface of the drawing paper or the canvas, effectively ensures the smooth running of the design process, ensures the integrity and the sustainability of the design works, can greatly avoid and eliminate the negative influence of external environmental factors on the design process and the design works, and provides more convenient and comfortable design experience for designers.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a cross-sectional view a-a of the present invention.

Fig. 3 is an enlarged view of portion B of fig. 2 according to the present invention.

Fig. 4 is an axial cross-sectional view of the present invention.

Fig. 5 is a perspective view of the present invention.

Fig. 6 is a right side sectional view of the present invention in operation.

FIG. 7 is an axial cross-sectional view of the present invention in operation.

Fig. 8 is a perspective view showing the construction of the present invention in operation.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 8, the invention comprises a bracket 1, wherein a rotatable lower supporting plate 2 with a horizontal axis is arranged on the bracket 1, an arc-shaped slide rail 3 which is arranged above the lower supporting plate 2 and is coaxial with the rotation axis of the lower supporting plate 2 is arranged on the bracket 1, a slide block 4 which can slide along the arc-shaped slide rail 3 is arranged on the arc-shaped slide rail 3, an upper supporting plate 5 which is arranged between the lower supporting plate 2 and the arc-shaped slide rail 3 and is parallel to the lower supporting plate 2 is arranged on the slide block 4, the upper supporting plate 5 is connected with the slide block 4 in a radial sliding manner along the rotation axis of the lower supporting plate 2, a spring 6 is arranged between the upper supporting plate 5 and the slide block 4, and the upper supporting plate 5 is centripetally slid towards; a locking device 7 is arranged between the sliding block 4 and the arc-shaped sliding rail 3 and used for stopping the sliding block 4; the lower supporting plate 2 and the upper supporting plate 5 are respectively provided with a clamping device 8 and are arranged opposite to each other; the photovoltaic panel is characterized in that the support 1 is provided with a photovoltaic panel 9 arranged above the arc-shaped sliding rail 3 and the sliding block 4, the photovoltaic panel 9 is provided with a through groove 10 penetrating through the photovoltaic panel 9 along the rotating axis direction of the lower supporting plate 2, the support 1 is provided with at least two roller shafts 11 which are arranged in the through groove 10 and can rotate on the support 1, and the displacement of the photovoltaic panel 9 is realized through the friction rolling between the through groove 10 and the roller shafts 11; still include drawing board 12 and air compression equipment 13, drawing board 12 inside be equipped with cavity 14, have on drawing board 12 to arrange a plurality of micropores 15 of cavity 14 one side in and make cavity 14 and outside intercommunication, air compression equipment 13 be connected through the hose 16 of arranging cavity 14 opposite side in with cavity 14, take out the gas in cavity 14 through air compression equipment 13 and hose 16 and make outside air constantly get into cavity 14 through micropore 15 to produce suction on drawing board 12 the face that micropore 15 corresponds, adsorb the paper on drawing board 12.

Preferably, the locking device 7 is a locking screw which is screwed on the sliding block 4, the locking screw is arranged in parallel with the axial direction of the lower supporting plate 2 and corresponds to the arc-shaped sliding rail 3 in position, and when the locking screw is screwed, the screwing-in end of the locking screw is in pressing contact with the arc-shaped sliding rail 3, so that the sliding block 4 stops on the arc-shaped sliding rail 3.

Preferably, the locking device 7 includes a pin inserted into the slider 4 along the axial direction of the lower supporting plate 2, the arc-shaped slide rail 3 is provided with a plurality of insertion holes matched with the pin, and when the pin slides towards the arc-shaped slide rail 3 and is inserted into the insertion holes, the slider 4 stops on the arc-shaped slide rail 3.

Preferably, the clamping device 8 comprises a plurality of elastic clamping arms 801 distributed along the axial direction of the lower supporting plate 2, at least one elastic clamping arm 801 is fixedly connected with the lower supporting plate 2, and the rest elastic clamping arms 801 are connected with the lower supporting plate 2 in a sliding manner along the axial direction of the lower supporting plate 2, so that the distance between the elastic clamping arms 801 can be adjusted to adapt to drawing boards 12 of different sizes, and the drawing boards 12 can be fixed on the support 1 after being clamped without sliding along the axial direction of the lower supporting plate 2; the centre gripping end of elasticity centre gripping arm 801 has the axis to be on a parallel with the rotatable gyro wheel 802 that 2 axis directions of bottom plate set up to reduce the frictional resistance when drawing board 12 inserts, make drawing board 12 reliably static for the axial resistance that improves gyro wheel 802, gyro wheel 802 be the silica gel material.

Preferably, the roll shaft 11 is connected with the bracket 1 in a damping rotation mode, so that when the photovoltaic panel 9 moves to any position, the photovoltaic panel 9 can be reliably stopped by friction force between the roll shaft 11 and the bracket 1 and the through groove 10.

Preferably, the photovoltaic panel 9 and the through groove 10 are respectively arc-shaped structures coaxially arranged with the arc-shaped sliding rails 3, so that the photovoltaic panel 9 can absorb more sunlight conveniently, and meanwhile, the top of the photovoltaic panel 9 can be drained conveniently.

Preferably, the air compressing device 13 is a micro air pump, an air suction end of the micro air pump is connected to the cavity 14 through a hose 16, air inside the cavity 14 is drawn out by a pump suction of the micro air pump, and external air is continuously sucked into the cavity 14 through the micro holes 15, so that a suction force is generated on a board surface corresponding to the micro holes 15 on the drawing board 12.

Preferably, the air compression device 13 includes a fan 1301 and a venturi tube 1302, one end of the fan 1301 is communicated with one end of the venturi tube 1302, the hose 16 is vertically communicated with the throat of the venturi tube 1302, the fan 1301 accelerates the air flow inside the venturi tube 1302, when the air flow passes through the throat of the venturi tube 1302, the flow velocity of the air flow is further increased by the reduced flow cross section at the throat, and the increase of the flow velocity is accompanied by the decrease of the fluid pressure, so that low pressure is generated at the throat part to generate an adsorption effect on the air flow inside the hose 16, thereby drawing the air in the cavity 14, continuously sucking the outside air into the cavity 14 through the micropores 15, and further generating a suction force on the board surface corresponding to the micropores 15 on the drawing board 12.

Preferably, the lower part of the bracket 1 is a C-shaped frame, so that the area below the lower supporting plate 2 is an unobstructed area, which is convenient for the legs of the designer to extend and move.

Preferably, a universal wheel with a locking part is mounted at the bottom of the bracket 1 so as to move the bracket 1.

Preferably, the support 1 is a foldable support, and according to different shape structures, a reasonably designed folding mechanism is a conventional arrangement of a person skilled in the art, and such a foldable structure is visible everywhere in life, and is not illustrated or described in detail in this specification.

Preferably, the rack 1 is provided with a storage cabinet and a palette, which are ubiquitous and widely used in the prior art, and therefore, the storage cabinet and the palette are also conventional arrangements for those skilled in the art, and are not described in detail in this specification.

When the drawing board support is used, the support 1 is placed on the ground, the universal wheels are locked, so that the support 1 is reliably static, the lower supporting plate 2 is rotated to a proper angle, the lower end of the drawing board 12 is inserted between the two rollers 802 at the clamping tail end of the clamping arm 801, the friction force generated when the drawing board 12 is inserted can be effectively reduced due to the rolling of the rollers 802, and the drawing board 12 is easier to mount; pushing the upper supporting plate 5 to the arc-shaped sliding rail 3 to enable the upper supporting plate to slide centrifugally, and simultaneously rotating the lower supporting plate 2 to enable the lower supporting plate to be opposite to the upper supporting plate 5, namely enabling the upper end of the drawing board 12 to correspond to the clamping device 8 on the upper supporting plate 5; and (3) loosening the lower supporting plate 5 to enable the lower supporting plate to centripetally reset and slide under the action of the elastic force of the spring 6, and clamping the upper end of the drawing board 12 by the clamping device 8 on the lower supporting plate 5 to finish the fixation of the drawing board 12.

The locking device 7 is opened to enable the sliding block 4 to be in a slidable state and push the sliding block 4 to slide on the arc-shaped sliding rail 3, and as the arc-shaped axis of the arc-shaped sliding rail 3 and the rotation axis of the lower supporting plate 2 are coaxially arranged, the drawing board 12 rotates along the axis of the lower supporting plate 2 along with the sliding of the sliding block 4, so that the adjustment of the pitching angle of the drawing board 12 is realized; after the drawing board 12 is adjusted to a proper angle, the sliding block 4 is stopped by the locking device 7 again, and the drawing board 12 is reliably fixed at the current angle.

Lay drawing paper or canvas on drawing board 12 flatly, then open air compression equipment 13, the gas in the cavity 14 is taken out, and outside air inhales in cavity 14 through micropore 15 simultaneously, consequently, the suction that micropore 15 department produced firmly adsorbs drawing paper or canvas, needn't use according to the nail, paste or the traditional mode of magnetism absorption to fix, has not only reached fixed purpose, can not harm drawing paper or canvas moreover, also can not occupy the drawing space.

Simultaneously, because the adsorption of a plurality of densely covered micropores 15, each position of drawing paper or canvas all closely laminates on drawing board 12, when outside air current was through drawing paper or canvas, can't blow in drawing paper or draw and drawing board 12 between, consequently also can't blow up drawing paper or canvas to effectively avoid the bulging of drawing paper or canvas, tear or blow down, guarantee the normal clear of design process, the completion of protection design works.

In addition, in wet-type drawing design processes such as oil painting, wash painting, in order to make the drawing infiltration even and mummification rapidly, drawing paper or canvas all adopt the better material preparation of gas permeability, consequently, micropore 15's adsorption can accelerate the circulation of air and the infiltration rate on drawing paper and canvas surface simultaneously to make the infiltration effect of printing ink better, the speed of mummification is faster.

In the invention, the solar energy collected by the photovoltaic panel 9 is converted into the electric power required by the operation of the air compression equipment 13, so that the energy is saved and the environment is protected; meanwhile, the photovoltaic panel 9 is arranged above the drawing board 12 and can slide on the support 1, so that the position of the photovoltaic panel 9 can be adjusted to absorb more sunlight, and the photovoltaic panel can be used for rain prevention and dust prevention, and avoids the weather change from invading or damaging designers and design works.

In addition, the clamping device 8 has good universality, when the indoor design and other conditions do not need to start the air compression equipment 13 to adsorb and fix the drawing paper or the canvas, and the quick drying treatment is not needed, the common drawing board can be adopted to replace the drawing board 12 in the invention for design, and the clamping arm 801 with elasticity and adjustable position can be matched with common drawing boards with various thicknesses and sizes for use.

The negative pressure adsorption type ink drawing frame is compact in structure, convenient and fast to operate, and easy to install, replace and adjust angles of drawing boards, adopts a negative pressure adsorption mode to fix drawing paper or canvas, not only has the basic functions of the existing drawing frame, but also has the functions of comprehensively laminating the drawing paper or the canvas to avoid air flow influence and increasing air flow on the surface of the drawing paper or the canvas to accelerate ink permeation and drying, so that more convenient and humanized creation conditions are provided for designers, the smooth proceeding of a design process is effectively guaranteed, and the integrity and sustainability of design works are guaranteed.

The solar photovoltaic panel is energy-saving and environment-friendly due to the fact that solar energy is used for supplying energy, and can be used for shading, preventing dust and sheltering from rain, so that designers and design works can be prevented from being exposed to the sun and rain; therefore, by combining the technical effects, the invention can greatly avoid and eliminate the negative influence of external environmental factors on the design process and the design works, and provides more comfortable design experience for designers.

Claims

1. An easel for art design comprises a support (1) and is characterized in that a rotatable lower supporting plate (2) is arranged on the support (1), an arc-shaped sliding rail (3) which is arranged above the lower supporting plate (2) and is coaxial with the rotating axis of the lower supporting plate (2) is arranged on the support (1), a slidable sliding block (4) is arranged on the arc-shaped sliding rail (3), an upper supporting plate (5) which is arranged between the lower supporting plate (2) and the arc-shaped sliding rail (3) and is parallel to the lower supporting plate (2) is arranged on the sliding block (4), the upper supporting plate (5) and the sliding block (4) are in radial sliding connection along the rotating axis of the lower supporting plate (2), a spring (6) is arranged between the upper supporting plate (5) and the sliding block (4), and the upper supporting plate (5) slides centripetally under the elastic force action of the spring; a locking device (7) is arranged between the sliding block (4) and the arc-shaped sliding rail (3); the lower supporting plate (2) and the upper supporting plate (5) are respectively provided with a clamping device (8), the clamping device (8) comprises a plurality of elastic clamping arms (801) distributed along the axial direction of the lower supporting plate (2), at least one elastic clamping arm (801) is fixedly connected with the lower supporting plate (2), and the rest elastic clamping arms (801) are axially and slidably connected with the lower supporting plate (2); the clamping tail end of the elastic clamping arm (801) is provided with a rotatable roller (802); the photovoltaic panel is characterized in that a photovoltaic panel (9) is arranged on the support (1) and above the arc-shaped sliding rail (3) and the sliding block (4), a through groove (10) penetrating through the photovoltaic panel (9) along the rotating axis direction of the lower supporting plate (2) is formed in the photovoltaic panel (9), at least two roller shafts (11) arranged in the through groove (10) are arranged on the support (1), and the photovoltaic panel (9) is displaced through the through groove (10) and the roller shafts (11); still include drawing board (12) and air compression equipment (13), drawing board (12) inside be equipped with cavity (14), drawing board (12) are gone up and are placed a plurality of micropores (15) of cavity (14) one side in and make cavity (14) and outside intercommunication, air compression equipment (13) be connected through hose (16) with cavity (14).

2. An easel for artistic design according to claim 1, wherein the locking means (7) is a locking screw threadedly mounted on the slider (4), said locking screw being disposed axially parallel to the lower support plate (2) and corresponding to the arcuate slide rail (3).

3. An easel for artistic design according to claim 1, wherein the locking means (7) comprises a pin axially inserted into the slider (4) of the lower tray (2), and the curved track (3) has a plurality of sockets matching the pin.

4. An easel for artistic design according to claim 1, characterised in that the roller (11) is in damped rotational connection with the stand (1).

5. An easel for artistic design according to claim 1, characterised in that the photovoltaic panel (9) and the through slot (10) are each of arcuate configuration arranged coaxially with the arcuate slide (3).

6. An easel for artistic design according to claim 1, characterised in that the air compression means (13) is a micro air pump, the suction end of which is connected to the cavity (14) via a hose (16).

7. An easel for artistic designing according to claim 1, wherein the air compression device (13) comprises a fan (1301) and a venturi tube (1302), one end of the fan (1301) communicating with one end of the venturi tube (1302), the hose (16) communicating perpendicularly with the throat of the venturi tube (1302).

8. An easel for artistic design according to claim 1, characterised in that the lower part of the stand (1) is a C-shaped stand.

9. An easel for artistic design according to claim 1, characterised in that the bottom of the stand (1) is provided with universal wheels.