CN204210236U - Art easel - Google Patents
Art easel Download PDFInfo
- Publication number
- CN204210236U CN204210236U CN201420742360.4U CN201420742360U CN204210236U CN 204210236 U CN204210236 U CN 204210236U CN 201420742360 U CN201420742360 U CN 201420742360U CN 204210236 U CN204210236 U CN 204210236U
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- CN
- China
- Prior art keywords
- rodless cavity
- hydraulic cylinder
- piston
- support arm
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of art easel, belong to fine arts technique with the apparatus field, comprise fixed mount, fixed mount is provided with drawing board, fixed mount is provided with support arm, one end of drawing board is rotated by jointed shaft and is installed on support arm, a hydraulic cylinder is provided with between the other end of drawing board and support arm, the first Compress Spring is provided with in the rod chamber of hydraulic cylinder, the rodless cavity of hydraulic cylinder connects a piston cylinder by oil inlet pipe, one is slidably fitted with the piston of piston rod in piston cylinder, piston rod stretches out piston cylinder and connects the reciprocating pedal of a driven plunger, the second Compress Spring is provided with in the rodless cavity of piston cylinder, the rodless cavity of piston cylinder connects fuel tank by the first check valve, the rodless cavity of piston cylinder is communicated with the rodless cavity of hydraulic cylinder by the second check valve, the rodless cavity of hydraulic cylinder connects fuel tank by flowline, and flowline is provided with foot control valve.The both hands of painter are not taken during the utility model adjustment, easy to use, be widely used in sketch from life.
Description
Technical field
The utility model relates to fine arts technique with the apparatus field, particularly relates to a kind of art easel.
Background technology
At present, on fine arts lessons or field sketching time, easel is drawing fan indispensable instrument, and easel now used is mostly stationary structure, although the easel height adjustable of this structure, adjustment process is more loaded down with trivial details, uses inconvenience; And painter is when painting, generally the sight line of drawing board and painter is set to have certain angle, thus conveniently draw a picture, but existing easel is very inconvenient when operating, not easily regulate suitable angle of drawing a picture, and after angular adjustment completes, being not easily fixed again, thus impact drawing quality; In addition, painter is when drawing a picture, drawing paper is generally clipped on drawing board, a hand rest color matching box, the hand-held paintbrush of another is painted, and needs to put down these draw tools if will adjust angle, and this easel uses extremely inconvenient, not only impact drawing efficiency, also can affect the creation inspiration of painter.
Therefore, based on above-mentioned defect, in fine arts technique with the apparatus field, for the demand that art easel still exists research and improves, this is also a study hotspot in current fine arts technique with the apparatus field and emphasis, especially the starting point that is accomplished of the utility model and power place.
Utility model content
For many defects of above-mentioned existence, the present inventor, through a large amount of further investigations, after having paid sufficient creative work, thus completes the utility model.
Specifically, technical problem to be solved in the utility model is: provide a kind of art easel, does not take the both hands of painter during adjustment, easy to use.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of art easel is provided, described art easel comprises fixed mount, described fixed mount is provided with drawing board, described fixed mount is provided with support arm, one end of described drawing board is rotated by jointed shaft and is installed on described support arm, a hydraulic cylinder is provided with between the other end of described drawing board and described support arm, the cylinder body of described hydraulic cylinder is articulated with on described support arm, the piston rod of described hydraulic cylinder is articulated with on described drawing board, the first Compress Spring is provided with in the rod chamber of described hydraulic cylinder, the rodless cavity of described hydraulic cylinder connects a piston cylinder by oil inlet pipe, one is slidably fitted with the piston of piston rod in described piston cylinder, described piston rod stretches out described piston cylinder and connects the pedal that drives described reciprocating motion of the pistons, the second Compress Spring is provided with in the rodless cavity of described piston cylinder, the rodless cavity of described piston cylinder connects fuel tank by the first check valve, the rodless cavity of described piston cylinder is communicated with the rodless cavity of described hydraulic cylinder by the second check valve, the rodless cavity of described hydraulic cylinder connects described fuel tank by flowline, and described flowline is provided with foot control valve.
In art easel of the present utility model, as a kind of optimal technical scheme, described foot control valve comprises valve body, described valve body is provided with horizontally disposed fluid course, described valve body is provided with the slideway of vertical described fluid course, be slidably fitted with spool in described slideway, described spool is provided with through hole, is provided with back-moving spring between the end of described spool and valve body.
In art easel of the present utility model, as a kind of optimal technical scheme, described support arm is plugged on described fixed mount, is provided with holding screw between described support arm and fixed mount.
Have employed technique scheme, the beneficial effects of the utility model are: owing to being provided with pedal and foot control valve, painter can flexible with foot control hydraulic cylinder piston rod, thus the angle of drawing board, to meet the needs of painter, this has just liberated the both hands of painter, need not put down the article in hand, thus improve efficiency of teaching during adjustment.
To be plugged on fixed mount due to support arm and to be provided with holding screw between support arm and fixed mount, holding screw can be unclamped, the degree of depth in adjustment support arm insertion fixed mount is to adjust the height of drawing board, thus meet the use of the painter of different height, expand the scope of application of this art easel.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model embodiment;
Fig. 2 is the hydraulic schematic diagram of the utility model embodiment;
Fig. 3 is the structural representation of foot control valve;
Wherein, in Fig. 1, Fig. 2 and Fig. 3, each number designation refers to following concrete meaning, element or parts respectively.
In figure: 1, fixed mount, 2, support arm, 3, drawing board, 4, jointed shaft, 5, hydraulic cylinder, 6, holding screw, the 7, first Compress Spring, 8, piston cylinder, 9, piston, the 10, second Compress Spring, 11, rodless cavity, 12, piston rod, 13, pedal, 14, fuel tank, the 15, first check valve, the 16, second check valve, 17, foot control valve, 1701, valve body, 1702, fluid course, 1703, spool, 1704, back-moving spring, 1705, through hole, 18, oil inlet pipe, 19, flowline.
Detailed description of the invention
Below in conjunction with accompanying drawing; by specific embodiment the utility model is described in detail; but the purposes of these property enumerated embodiments and object are only used for enumerating the utility model; not any type of any restriction is formed to real protection scope of the present utility model, more non-protection domain of the present utility model is confined to this.
As Fig. 1 and Fig. 2 jointly shown in, art easel described in the utility model, comprise fixed mount 1, fixed mount 1 is provided with drawing board 3, fixed mount 1 is provided with support arm 2, highly can adjust in order to drawing board 3 can be made, support arm 2 is plugged on fixed mount 1, holding screw 6 is provided with between support arm 2 and fixed mount 1, rotate in sliding process to prevent support arm 2, usually the cross sectional shape of support arm 2 is designed to square or oval, and the cross sectional shape of fixed mount 1 also respective design squarely or ellipse.One end of drawing board 3 is rotated by jointed shaft 4 and is installed on support arm 2, a hydraulic cylinder 5 is provided with between the other end of drawing board 3 and support arm 2, the cylinder body of hydraulic cylinder 5 is articulated with on support arm 2, the piston rod of hydraulic cylinder 5 is articulated with on drawing board 3, the first Compress Spring 7 is provided with in the rod chamber of hydraulic cylinder 5, the rodless cavity of hydraulic cylinder 5 connects a piston cylinder 8 by oil inlet pipe 18, one is slidably fitted with the piston 9 of piston rod 12 in piston cylinder 8, piston rod 12 stretches out piston cylinder 8 and connects the reciprocating pedal 13 of a driven plunger 9, the second Compress Spring 10 is provided with in the rodless cavity 11 of piston cylinder 8, pedal 13 compresses the second Compress Spring 10 when stepping down, hydraulic oil in piston cylinder 8 is extruded, when unclamping pedal 13, the piston rod 12 of piston cylinder 8 pushes back by the second Compress Spring 10, negative pressure is formed in the rodless cavity 11 of piston cylinder 8, hydraulic oil in fuel tank 14 enters the rodless cavity 11 of piston cylinder 8, the rodless cavity 11 of piston cylinder 8 connects fuel tank 14 by the first check valve 15, the rodless cavity 11 of piston cylinder 8 is communicated with the rodless cavity of hydraulic cylinder 5 by the second check valve 16, the rodless cavity of hydraulic cylinder 5 connects fuel tank 14 by flowline 19, and flowline 19 is provided with foot control valve 17.
The kind of foot control valve 17 has a lot, in order to reduce costs, simplify structure, inventor have employed that a kind of structure is simple, the mode of dependable performance, as shown in Figure 3, foot control valve 17 comprises valve body 1701, and valve body 1701 is provided with horizontally disposed fluid course 1702, valve body 1701 is provided with the slideway of vertical fluid course 1702, be slidably fitted with spool 1703 in slideway, spool 1703 is provided with through hole 1705, is provided with back-moving spring 1704 between the end of spool 1703 and valve body 1701.
During use, painter needs repeatedly to step on pedal 13, hydraulic oil is constantly entered into the rodless cavity 11 of piston cylinder 8 by fuel tank 14, constantly entered again the rodless cavity of hydraulic cylinder 5 by the rodless cavity 11 of piston cylinder 8 through oil inlet pipe 18, compress the first Compress Spring 7, the piston rod promoting hydraulic cylinder 5 stretches out, thus drive drawing board 3 to rotate counterclockwise an angle along jointed shaft 4, after angle is suitable, painter stops trampling pedal 13, and drawing board 3 is just stabilized in this position.Painter steps on the top of spool 1703, through hole 1705 is communicated with fluid course 1702, under the effect of the first Compress Spring 7, just there is hydraulic oil to flow back to fuel tank 14 by flowline 19, thus drive drawing board 3 to rotate clockwise an angle, after leaving pin, under back-moving spring 1704 acts on, spool 1703 moves, fluid course 1702 is blocked, make the position of drawing board 3 be fixed on this place.
Although in order to the object of illustrating and describe, and describe structure and processing procedure shown in above-mentioned embodiment of the present utility model and accompanying drawing.But these are not detailed descriptions, can not by limit of the present utility model in this.For a person skilled in the art, numerous modifications and variations can be made to above-mentioned embodiment of the present utility model, and these all amendments and/or change are all included in as within claim limited range of the present utility model, do not depart from scope and spirit of the present utility model as defined by the appended claims.
Claims (3)
1. art easel, comprise fixed mount, described fixed mount is provided with drawing board, it is characterized in that, described fixed mount is provided with support arm, one end of described drawing board is rotated by jointed shaft and is installed on described support arm, a hydraulic cylinder is provided with between the other end of described drawing board and described support arm, the cylinder body of described hydraulic cylinder is articulated with on described support arm, the piston rod of described hydraulic cylinder is articulated with on described drawing board, the first Compress Spring is provided with in the rod chamber of described hydraulic cylinder, the rodless cavity of described hydraulic cylinder connects a piston cylinder by oil inlet pipe, one is slidably fitted with the piston of piston rod in described piston cylinder, described piston rod stretches out described piston cylinder and connects the pedal that drives described reciprocating motion of the pistons, the second Compress Spring is provided with in the rodless cavity of described piston cylinder, the rodless cavity of described piston cylinder connects fuel tank by the first check valve, the rodless cavity of described piston cylinder is communicated with the rodless cavity of described hydraulic cylinder by the second check valve, the rodless cavity of described hydraulic cylinder connects described fuel tank by flowline, and described flowline is provided with foot control valve.
2. art easel as claimed in claim 1, it is characterized in that, described foot control valve comprises valve body, described valve body is provided with horizontally disposed fluid course, described valve body is provided with the slideway of vertical described fluid course, be slidably fitted with spool in described slideway, described spool is provided with through hole, is provided with back-moving spring between the end of described spool and valve body.
3. art easel as claimed in claim 2, it is characterized in that, described support arm is plugged on described fixed mount, is provided with holding screw between described support arm and fixed mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742360.4U CN204210236U (en) | 2014-11-21 | 2014-11-21 | Art easel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742360.4U CN204210236U (en) | 2014-11-21 | 2014-11-21 | Art easel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204210236U true CN204210236U (en) | 2015-03-18 |
Family
ID=52978940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420742360.4U Expired - Fee Related CN204210236U (en) | 2014-11-21 | 2014-11-21 | Art easel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204210236U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839502A (en) * | 2018-06-27 | 2018-11-20 | 湖南城市学院 | A kind of outdoor fine arts drawing board support rack |
| CN109106104A (en) * | 2018-09-27 | 2019-01-01 | 裴琼均 | The chair and desk for pupils of rectifying seating posture |
| CN109806100A (en) * | 2018-12-25 | 2019-05-28 | 邓琴 | A kind of seat childbirth auxiliary chair |
| CN110722918A (en) * | 2019-11-24 | 2020-01-24 | 瀛ｅ姜 | Drawing board table with adjustable height and angle |
-
2014
- 2014-11-21 CN CN201420742360.4U patent/CN204210236U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839502A (en) * | 2018-06-27 | 2018-11-20 | 湖南城市学院 | A kind of outdoor fine arts drawing board support rack |
| CN108839502B (en) * | 2018-06-27 | 2020-07-21 | 湖南城市学院 | Outdoor fine arts drawing board support frame |
| CN109106104A (en) * | 2018-09-27 | 2019-01-01 | 裴琼均 | The chair and desk for pupils of rectifying seating posture |
| CN109806100A (en) * | 2018-12-25 | 2019-05-28 | 邓琴 | A kind of seat childbirth auxiliary chair |
| CN110722918A (en) * | 2019-11-24 | 2020-01-24 | 瀛ｅ姜 | Drawing board table with adjustable height and angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |