CN113558374A - Portable easel - Google Patents
Portable easel Download PDFInfo
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- CN113558374A CN113558374A CN202110870544.3A CN202110870544A CN113558374A CN 113558374 A CN113558374 A CN 113558374A CN 202110870544 A CN202110870544 A CN 202110870544A CN 113558374 A CN113558374 A CN 113558374A
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- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010422 painting Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B27/00—Drawing desks or tables; Carriers for drawing-boards
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B27/00—Drawing desks or tables; Carriers for drawing-boards
- A47B27/14—Adjustable underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/18—Boards or sheets with surfaces prepared for painting or drawing pictures; Stretching frames for canvases
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- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention discloses a portable easel which comprises two groups of supporting legs, wherein the lower parts of the two groups of supporting legs are fixedly connected with fixed sleeves, a lower adjusting support is arranged between the two groups of fixed sleeves, the upper parts of the two groups of supporting legs are connected with sliding sleeves in a sliding manner, an upper adjusting support is arranged between the two groups of sliding sleeves, a detection assembly is arranged on the upper adjusting support, the upper parts of the two groups of supporting legs are provided with a plurality of groups of threaded holes, bolts penetrate through the two groups of sliding sleeves and are matched with the threaded holes, and adjusting support rods are hinged to the rear sides of the two groups of supporting legs; can adjust the distance between two sets of landing legs through last regulation support and lower regulation support, portable can slide the sliding sleeve along the landing leg to adjust the distance between last regulation support and the lower regulation support, be convenient for carry on spacing fixedly to not unidimensional drawing board, can adjust the inclination of easel through the spacing fixed effect of determine module detectable to the drawing board, through adjusting the bracing piece.
Description
Technical Field
The invention relates to the technical field of easels, in particular to a portable easel.
Background
An easel is a stand-alone structure designed to hold a canvas or drawing board when an artist is drawing. Easels for use in paintrooms are usually fixed on square or rectangular bases by four rigid battens, the bases being equipped with foot wheels, two rigid struts intersecting at the top, and diagonal struts in the middle of the rear. The adjustable sliding groove is provided, and the spring hook of the adjustable sliding groove can be fixed in a segmented mode and supports the painting; the top end is fixed by a movable clamp. The sketching easel is made of wood or aluminum, has small volume, light weight and easy carrying, and can fold all accessories into compact volume; its design is between robust and portable. The most common sketching easel has three legs, two of which are at the front and support the post for painting, and the third of which is extended backwards to adjust the angle of the drawing board or canvas.
In fine arts drawing, the need of regularity is painted from life to the field, and current easel is inconvenient to be accomodate and is carried, leads to the easel to need to occupy great space, is unfavorable for carrying, and current easel is difficult to carry out effectual fixing to the drawing board simultaneously, leads to when painting from life in the field, and the gliding condition probably appears in the drawing board, leads to certain influence to the drawing.
Based on this, the invention designs a portable easel to solve the above mentioned problems.
Disclosure of Invention
The invention aims to provide a portable easel, wherein two groups of supporting legs are connected through an upper adjusting support and a lower adjusting support, the distance between the two groups of supporting legs can be adjusted through the upper adjusting support and the lower adjusting support, the portable easel is convenient to carry, a sliding sleeve can slide along the supporting legs, so that the distance between the upper adjusting support and the lower adjusting support can be adjusted, drawing boards with different sizes can be conveniently limited and fixed, the limiting and fixing effect on the drawing boards can be detected through a detection assembly, and the inclination angle of the easel can be adjusted through adjusting a supporting rod, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a portable easel, includes two sets of landing legs, and is two sets of the fixed cover of the equal fixedly connected with in landing leg lower part is two sets of be equipped with down between the fixed cover and adjust the support, and is two sets of the equal sliding connection in landing leg upper portion has the slip cap, and is two sets of be equipped with between the slip cap and adjust the support, on adjust and be equipped with the determine module on the support, it is two sets of multiunit screw hole has all been opened on landing leg upper portion, and is two sets of all there is the bolt to pass on the slip cap, the bolt cooperatees with the screw hole, and is two sets of the landing leg rear side all articulates there is the regulation bracing piece.
Preferably, the lower adjusting support comprises a lower sleeve, lower insertion rods are inserted into two sides of the lower sleeve, two groups of the lower insertion rods are fixedly connected with two groups of the fixed sleeves respectively, lower positioning holes are formed in the two groups of the lower insertion rods, lower positioning columns penetrate through two sides of the rear side of the lower sleeve, and the lower positioning columns are matched with the lower positioning holes; the lower part of the front side of the lower sleeve is fixedly connected with a lower limiting plate; and three groups of lower positioning holes are formed in the two groups of lower insertion rods.
Based on the technical characteristics, the lower adjusting bracket can be adjusted.
Preferably, the upper adjusting bracket comprises an upper sleeve, upper inserting rods are inserted into two sides of the upper sleeve, two groups of the upper inserting rods are fixedly connected with two groups of the sliding sleeves respectively, upper positioning holes are formed in the two groups of the upper inserting rods, upper positioning columns penetrate through two sides of the rear side of the upper sleeve, and the upper positioning columns are matched with the upper positioning holes; the upper limiting plate is fixedly connected to the upper part of the front side of the upper sleeve; three groups of upper positioning holes are formed in the two groups of upper insertion rods.
Based on the technical characteristics, the upper adjusting bracket can be adjusted.
Preferably, the detection assembly comprises an insulating shell, the insulating shell is fixedly connected with an upper limiting plate, a detection rod penetrates through the bottom of the insulating shell, the bottom end of the detection rod penetrates through the upper limiting plate, the top end of the detection rod is fixedly connected with a metal sheet, the metal sheet is connected with the bottom wall of the insulating shell through a spring, a first electrical contact block is arranged on the left side of the upper portion in the insulating shell, and a second electrical contact block is arranged on the right side of the upper portion in the insulating shell; roof is equipped with battery and controller in the insulating casing, the positive pole of battery is connected with electricity between controller and the first electric contact piece, the electricity is connected between the negative pole of battery and the second electric contact piece, it is equipped with the display lamp to go up the limiting plate top, controller control connection display lamp.
Based on above-mentioned technical characteristics, detect the spacing fixed effect to the drawing board through the determine module.
Preferably, the adjusting support rod comprises a telescopic rod, the telescopic rod is hinged to the support leg, a thread groove is formed in the bottom end of the telescopic rod, a thread column is screwed in the thread groove, and a conical head is fixedly connected to the bottom end of the thread column.
Based on the technical characteristics, the supporting legs are supported by adjusting the supporting rods.
Preferably, the telescopic link includes the outer pole, be equipped with the slide in the outer pole, fixedly connected with interior pole on the slide, it has the multiunit draw-in groove to open on the interior pole, it has the bayonet lock to pass on the outer pole, the bayonet lock cooperatees with the draw-in groove.
Based on above-mentioned technical characteristics, through adjusting the length of telescopic link, can adjust the inclination of easel.
The use method of the easel comprises the following steps:
s1, when the easel needs to be carried, the upper positioning column and the lower positioning column are pulled out, the upper positioning column and the lower positioning column are separated from the upper positioning hole and the lower positioning hole respectively, the upper insertion rod is inserted into the upper sleeve, the lower insertion rod is inserted into the lower sleeve, the distance between the two groups of supporting legs can be reduced, and then the upper insertion rod and the lower insertion rod are fixed through the upper positioning column and the lower positioning column, so that the easel is convenient to carry;
s2, when the easel needs to be used, the upper positioning column and the lower positioning column are pulled out, the distance between the two groups of supporting legs is adjusted, according to the use requirement, if the ground is earth, the conical head can be inserted into the ground, when the ground is hard, the conical head can be rotated to separate the threaded column from the threaded groove, the conical head is detached to prevent the conical head from damaging the ground, the clamping pin is pulled out, the length of the telescopic rod is adjusted, and therefore the inclination angle of the easel is adjusted;
s3, arrange the drawing board bottom in on the lower limiting plate, not hard up the bolt, drive the sliding sleeve through last regulation support and slide down along the landing leg, after the measuring bar contacts with the drawing board top, along with last regulation support continues downstream, the measuring bar drives the sheetmetal upward movement, the spring is stretched, when the measuring bar bottom moved to with last limiting plate parallel and level, the sheetmetal contacts with first electrical contact piece and second electrical contact piece, the controller circular telegram starts, controller control display lamp lights, remind the user to have accomplished the spacing fixed to the drawing board, the accessible bolt is fixed the sliding sleeve, thereby it fixes to last regulation support.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the two groups of supporting legs are connected through the upper adjusting support and the lower adjusting support, the distance between the two groups of supporting legs can be adjusted through the upper adjusting support and the lower adjusting support, the carrying is convenient, the sliding sleeve can slide along the supporting legs, so that the distance between the upper adjusting support and the lower adjusting support can be adjusted, the limiting and fixing of the drawing boards with different sizes can be conveniently carried out, the limiting and fixing effect on the drawing boards can be detected through the detection assembly, the inclination angle of the easel can be adjusted through the adjusting support rod, and the use is very convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a first perspective structure of the present invention;
FIG. 2 is a schematic view of a second perspective structure of the present invention;
FIG. 3 is a schematic view of a detecting assembly according to the present invention;
fig. 4 is a schematic view of the structure of the adjustable support rod of the present invention.
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.
Referring to fig. 1-2, the present invention provides a portable easel, which comprises: the device comprises two groups of supporting legs 1, a fixed sleeve 2, a lower adjusting bracket 3, a sliding sleeve 5, an upper adjusting bracket 7, a detection assembly 9, a plurality of groups of threaded holes 4, bolts 6 and adjusting supporting rods; through adjusting support 7 and adjusting support 3 down and being connected between two sets of landing legs, can adjust the distance between two sets of landing legs 1 through adjusting support 7 and adjusting support 3 down, portable, can slide 5 along landing leg 1, thereby adjust the distance between adjusting support 7 and adjusting support 3 down, be convenient for carry on spacing fixed to not unidimensional drawing board, the spacing fixed effect to the drawing board through 9 detectable detection subassemblies, can adjust the inclination of easel through adjusting the bracing piece.
Referring to fig. 1-2, the lower adjusting bracket 3 includes a lower sleeve 31, lower insertion rods 32 are inserted into two sides of the lower sleeve 31, two sets of the lower insertion rods 32 are respectively fixedly connected with two sets of the fixing sleeves 2, lower positioning holes 33 are formed in the two sets of the lower insertion rods 32, lower positioning pillars 35 penetrate through two sides of the rear side of the lower sleeve 31, and the lower positioning pillars 35 are matched with the lower positioning holes 33; the lower part of the front side of the lower sleeve 31 is fixedly connected with a lower limiting plate 34; three groups of lower positioning holes 33 are formed in the two groups of lower insertion rods 32; the upper adjusting bracket 7 comprises an upper sleeve 71, upper inserting rods 72 are inserted into two sides of the upper sleeve 71, two groups of the upper inserting rods 72 are fixedly connected with two groups of the sliding sleeves 5 respectively, upper positioning holes 73 are formed in the two groups of the upper inserting rods 72, upper positioning columns 75 penetrate through two sides of the rear side of the upper sleeve 71, and the upper positioning columns 75 are matched with the upper positioning holes 73; the upper limiting plate 74 is fixedly connected to the upper part of the front side of the upper sleeve 71; two sets of go up the inserted bar 72 and all open three groups and go up locating hole 73, when needing to carry the easel, extract upper positioning column 75 and lower positioning column 35, make upper positioning column 75 and lower positioning column 35 separate with upper positioning hole 73 and lower locating hole 33 respectively, insert in upper inserted bar 72 goes up sleeve pipe 71, insert lower inserted bar 32 in lower sleeve pipe 31, can reduce the distance between two sets of landing legs 1, then fix upper inserted bar 72 and lower inserted bar 32 through upper positioning column 75 and lower positioning column 35, be convenient for carry.
Referring to fig. 3, the detecting assembly 9 includes an insulating housing 91, the insulating housing 91 is fixedly connected to the upper limiting plate 74, a detecting rod 92 penetrates through the bottom of the insulating housing 91, the bottom end of the detecting rod 92 penetrates through the upper limiting plate 74, a metal sheet 94 is fixedly connected to the top end of the detecting rod 92, the metal sheet 94 is connected to the inner bottom wall of the insulating housing 91 through a spring 93, a first electrical contact block 95 is disposed on the left side of the upper portion of the insulating housing 91, and a second electrical contact block 96 is disposed on the right side of the upper portion of the insulating housing 91; the inner top wall of the insulating shell 91 is provided with a storage battery 97 and a controller 98, the anode of the storage battery 97 is electrically connected with the controller 98 and the first electric contact block 95, the negative pole of the accumulator 97 is electrically connected with the second electric contact block 96, the top of the upper limiting plate 74 is provided with a display lamp 8, the controller 98 is connected with the display lamp 8 in a control way, the sliding sleeve 5 is driven to slide downwards along the supporting leg 1 through the upper adjusting bracket 7, when the detection rod 92 contacts with the top of the drawing board, the detection rod 92 drives the metal sheet 94 to move upwards along with the downward movement of the upper adjusting bracket 7, the spring 93 is stretched, when the bottom end of the detection rod 92 moves to be flush with the upper limiting plate 74, the metal sheet 94 is in contact with the first electric contact block 95 and the second electric contact block 96, the controller 98 is powered on, and the controller 98 controls the display lamp 8 to light up to remind a user that the limiting and fixing of the drawing board are completed.
Referring to fig. 4, the adjusting support rod includes a telescopic rod 11, the telescopic rod 11 is hinged to the support leg 1, a threaded groove 13 is formed in the bottom end of the telescopic rod 11, a threaded column 12 is screwed in the threaded groove 13, a conical head 10 is fixedly connected to the bottom end of the threaded column 12, the conical head 10 can be inserted into the ground when the ground is made of soil according to use requirements, and when the ground is made of hard texture, the conical head 10 can be rotated to separate the threaded column 12 from the threaded groove 13, so that the conical head 10 is detached, and the conical head 10 is prevented from damaging the ground; the telescopic rod 11 comprises an outer rod 111, a sliding plate 112 is arranged in the outer rod 111, an inner rod 115 is fixedly connected to the sliding plate 112, a plurality of groups of clamping grooves 113 are formed in the inner rod 115, a clamping pin 114 penetrates through the outer rod 111, the clamping pin 114 is matched with the clamping grooves 113, the clamping pin 114 is extracted, the length of the telescopic rod 11 is adjusted, and therefore the inclination angle of the easel is adjusted.
The specific working principle is as follows:
s1, when the easel needs to be carried, the upper positioning column 75 and the lower positioning column 35 are pulled out, the upper positioning column 75 and the lower positioning column 35 are separated from the upper positioning hole 73 and the lower positioning hole 33 respectively, the upper insertion rod 72 is inserted into the upper sleeve 71, the lower insertion rod 32 is inserted into the lower sleeve 31, the distance between the two groups of supporting legs 1 can be reduced, and then the upper insertion rod 72 and the lower insertion rod 32 are fixed through the upper positioning column 75 and the lower positioning column 35, so that the easel is convenient to carry;
s2, when the easel needs to be used, the upper positioning column 75 and the lower positioning column 35 are pulled out, the distance between the two groups of supporting legs 1 is adjusted, according to the use requirement, if the ground is earth, the conical head 10 can be inserted below the ground, when the ground is hard, the conical head 10 can be rotated to separate the threaded column 12 from the threaded groove 13, the conical head 10 is detached, the conical head 10 is prevented from damaging the ground, the clamping pin 114 is pulled out, the length of the telescopic rod 11 is adjusted, and therefore the inclination angle of the easel is adjusted;
s3, the bottom end of the drawing board is placed on the lower limiting plate 34, the bolt 6 is loosened, the sliding sleeve 5 is driven to slide downwards along the supporting leg 1 through the upper adjusting support 7, after the detection rod 92 is contacted with the top of the drawing board, the detection rod 92 continues to move downwards along with the upper adjusting support 7, the detection rod 92 drives the metal sheet 94 to move upwards, the spring 93 is stretched, when the bottom end of the detection rod 92 moves to be flush with the upper limiting plate 74, the metal sheet 94 is contacted with the first electric contact block 95 and the second electric contact block 96, the controller 98 is powered on and started, the controller 98 controls the display lamp 8 to light up, a user is reminded of finishing limiting and fixing the drawing board, the sliding sleeve 5 can be fixed through the bolt 6, and therefore the upper adjusting support 7 is fixed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A portable easel comprises two sets of supporting legs (1), and is characterized in that: two sets of the fixed cover (2) of equal fixedly connected with in landing leg (1) lower part, it is two sets of be equipped with down between fixed cover (2) and adjust support (3), two sets of the equal sliding connection in landing leg (1) upper portion has sliding sleeve (5), and is two sets of be equipped with between sliding sleeve (5) and adjust support (7), it is equipped with determine module (9) on adjusting support (7), two sets of multiunit screw hole (4) have all been opened on landing leg (1) upper portion, and are two sets of all there is bolt (6) to pass on sliding sleeve (5), bolt (6) cooperate with screw hole (4), and are two sets of landing leg (1) rear side all articulates there is the regulation bracing piece.
2. A portable easel according to claim 1, further comprising: lower adjusting bracket (3) are including lower sleeve pipe (31), lower inserted bar (32) have all been pegged graft to lower sleeve pipe (31) both sides, and are two sets of lower inserted bar (32) respectively with two sets of fixed cover (2) between fixed connection, two sets of all opened down locating hole (33) on lower inserted bar (32), lower sleeve pipe (31) rear side both sides all have down reference column (35) to pass, lower reference column (35) cooperate with lower locating hole (33).
3. A portable easel according to claims 1-2, further comprising: the lower part of the front side of the lower sleeve (31) is fixedly connected with a lower limiting plate (34); three groups of lower positioning holes (33) are formed in the two groups of lower insertion rods (32).
4. A portable easel according to claim 1, further comprising: the upper adjusting support (7) comprises an upper sleeve (71), upper inserting rods (72) are inserted into two sides of the upper sleeve (71), the two groups of upper inserting rods (72) are fixedly connected with the two groups of sliding sleeves (5) respectively, upper positioning holes (73) are formed in the two groups of upper inserting rods (72), upper positioning columns (75) penetrate through two sides of the rear side of the upper sleeve (71), and the upper positioning columns (75) are matched with the upper positioning holes (73).
5. A portable easel according to claim 1, further comprising: the upper part of the front side of the upper sleeve (71) is fixedly connected with an upper limiting plate (74); three groups of upper positioning holes (73) are formed in the two groups of upper insertion rods (72).
6. A portable easel according to claim 1, further comprising: detection subassembly (9) include insulating casing (91), fixed connection between insulating casing (91) and last spacing board (74), insulating casing (91) bottom has detection pole (92) to pass, spacing board (74) are gone up in detection pole (92) bottom is passed, detection pole (92) top fixedly connected with sheetmetal (94), sheetmetal (94) are connected with insulating casing (91) inner bottom wall through spring (93), upper portion left side is equipped with first electrical contact piece (95) in insulating casing (91), upper portion right side is equipped with second electrical contact piece (96) in insulating casing (91).
7. A portable easel according to claims 1-6, further comprising: roof is equipped with battery (97) and controller (98) in insulating casing (91), the positive pole and controller (98) of battery (97) and first electric contact piece (95) between electricity be connected, the negative pole and the second electric contact piece (96) of battery (97) between electricity be connected, it is equipped with display lamp (8) to go up spacing board (74) top, display lamp (8) are connected in controller (98) control.
8. A portable easel according to claim 1, further comprising: the adjustable support rod comprises a telescopic rod (11), the telescopic rod (11) is hinged to the support leg (1), a thread groove (13) is formed in the bottom end of the telescopic rod (11), a thread column (12) is screwed in the thread groove (13), and a conical head (10) is fixedly connected to the bottom end of the thread column (12).
9. A portable easel according to claim 8, further comprising: the telescopic rod (11) comprises an outer rod (111), a sliding plate (112) is arranged in the outer rod (111), an inner rod (115) is fixedly connected to the sliding plate (112), a plurality of groups of clamping grooves (113) are formed in the inner rod (115), clamping pins (114) penetrate through the outer rod (111), and the clamping pins (114) are matched with the clamping grooves (113).
10. A portable easel according to claims 1-9, further comprising: the use method of the easel comprises the following steps:
s1, when the easel needs to be carried, the upper positioning column (75) and the lower positioning column (35) are pulled out, the upper positioning column (75) and the lower positioning column (35) are separated from the upper positioning hole (73) and the lower positioning hole (33) respectively, the upper insertion rod (72) is inserted into the upper sleeve (71), the lower insertion rod (32) is inserted into the lower sleeve (31), the distance between the two groups of supporting legs (1) can be reduced, and then the upper insertion rod (72) and the lower insertion rod (32) are fixed through the upper positioning column (75) and the lower positioning column (35), so that the easel is convenient to carry;
s2, when using as required, extract last reference column (75) and lower reference column (35), adjust the distance between two sets of landing legs (1), according to the use needs, if ground is when earth, can insert subaerial with conical head (10), when being hard texture face, rotatable conical head (10), make threaded post (12) and thread groove (13) separation, dismantle conical head (10), prevent that conical head (10) from causing the damage to ground, extract bayonet lock (114), adjust the length of telescopic link (11), thereby adjust the inclination of easel.
S3, the bottom end of the drawing board is placed on the lower limiting plate (34), the bolt (6) is loosened, the sliding sleeve (5) is driven to slide downwards along the supporting leg (1) through the upper adjusting support (7), after the detection rod (92) is contacted with the top of the drawing board, the detection rod (92) drives the metal sheet (94) to move upwards along with the upper adjusting support (7), the spring (93) is stretched, when the bottom end of the detection rod (92) moves to be flush with the upper limiting plate (74), the metal sheet (94) is contacted with the first electric contact block (95) and the second electric contact block (96), the controller (98) is electrified and started, the controller (98) controls the display lamp (8) to be lightened, a user is reminded that limiting fixing of the drawing board is completed, the sliding sleeve (5) can be fixed through the bolt (6), and therefore the upper adjusting support (7) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110870544.3A CN113558374A (en) | 2021-07-30 | 2021-07-30 | Portable easel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110870544.3A CN113558374A (en) | 2021-07-30 | 2021-07-30 | Portable easel |
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| Publication Number | Publication Date |
|---|---|
| CN113558374A true CN113558374A (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110870544.3A Pending CN113558374A (en) | 2021-07-30 | 2021-07-30 | Portable easel |
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| CN210066003U (en) * | 2019-06-03 | 2020-02-14 | 宜城市万众纱业有限责任公司 | Limiting device for chuck plate of strip lap combining machine |
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| CN211483423U (en) * | 2019-11-06 | 2020-09-15 | 扬州市职业大学(扬州市广播电视大学) | Fine arts easel |
| CN211533194U (en) * | 2020-02-17 | 2020-09-22 | 金婕 | Special cardboard rack of planar design |
| CN112401482A (en) * | 2020-11-06 | 2021-02-26 | 桃源县第九中学 | Easel with quick clamping function |
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Application publication date: 20211029 |