CN112998409A - Lifting type display rack for art teaching and control method thereof - Google Patents
Lifting type display rack for art teaching and control method thereof Download PDFInfo
- Publication number
- CN112998409A CN112998409A CN202110265632.0A CN202110265632A CN112998409A CN 112998409 A CN112998409 A CN 112998409A CN 202110265632 A CN202110265632 A CN 202110265632A CN 112998409 A CN112998409 A CN 112998409A
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- China
- Prior art keywords
- supporting rod
- support
- rod
- display board
- stand
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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
-
- 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
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a lifting type showing stand for art teaching, which comprises a showing plate; the first bracket is arranged on one side of the display board; the second bracket is arranged on the other side of the display board; the first sliding assembly is connected with the display board and can be sleeved on the first support in a sliding manner; and the second sliding assembly is connected with the display board and sleeved on the second support in a sliding manner so as to adjust the relative position of the display board and the support. The invention also discloses a control method of the display stand, the height of the display board is adjusted by sliding the first sliding assembly and the second sliding assembly along the first supporting rod, and the included angle between the first supporting rod and the second supporting rod is adjusted by sliding the third sliding assembly along the second supporting rod, so that the display stand is convenient to move and store, reasonable in design and applicable to various scenes.
Description
Technical Field
The invention relates to the technical field of art tools, in particular to a lifting type showing stand for art teaching and a control method thereof.
Background
Often need demonstrate the work of fine arts in the fine arts teaching, this just needs the show shelf to fix the work of fine arts, nevertheless in the actual teaching, often show the work directly on the easel, the easel that people used commonly at present, it is fixed that mostly the drawing board passes through the support, the material is mostly the stuff and forms through the screw connection, support angle control height and drawing board angle through adjusting a bracing piece, moreover, the steam generator is simple in structure, need install repeatedly and dismantle the screw when adjusting the easel, the flexibility, operability and steadiness are all relatively poor, it is heavy and remove inconveniently.
Disclosure of Invention
The display board is connected with the bracket through the sliding assembly, and the sliding assembly slides along the bracket to adjust the height of the display board. Through set up the alignment jig between first bracing piece and second bracing piece support to the regulation of first bracing piece and second bracing piece contained angle is realized to the messenger, and the folding of show shelf is accomodate. The flexibility is high, is applicable to multiple scenes.
The technical scheme of the invention is as follows:
the utility model provides a fine arts teaching is with over-and-under type show shelf, includes:
a display board;
the first bracket is arranged on one side of the display board;
the second bracket is arranged on the other side of the display board;
the first sliding assembly is connected with the display board and can be sleeved on the first support in a sliding manner;
and the second sliding assembly is connected with the display board and sleeved on the second support in a sliding manner so as to adjust the relative position of the display board and the support.
Preferably, the first bracket and the second bracket each include:
a first support rod having a plurality of limiting holes;
one end of the second supporting rod is hinged with the first supporting rod and is provided with a plurality of positioning holes;
the adjusting bracket is arranged between the first supporting rod and the second supporting rod and can change the included angle between the first supporting rod and the second supporting rod.
Preferably, the adjusting bracket includes:
the sleeving piece is sleeved on the first supporting rod;
the third sliding assembly is sleeved on the second supporting rod, can slide along the second supporting rod and is clamped with the positioning hole;
and the connecting rod is arranged between the socket piece and the third sliding assembly.
Preferably, the connecting rod includes:
the surface of the first connecting rod is provided with a plurality of fixing holes;
the second connecting rod is sleeved on the first connecting rod and can slide along the axial direction of the first connecting rod;
and the fourth sliding assembly is arranged at one end of the second connecting rod and can be clamped with the fixing hole.
Preferably, the first slide assembly and the second slide assembly each comprise:
a housing having a first through hole and capable of accommodating the holder;
a side position shell which is arranged at one side of the shell, is integrally connected with the shell, is provided with a second through hole and is communicated with the first through hole;
a rotating shaft supported on the side housing;
the pressing handle is rotatably sleeved on the rotating shaft;
and the limiting bulge is arranged on one side of the pressing handle, can rotate around the rotating shaft along with the pressing handle and is clamped with the limiting hole.
Preferably, the device further comprises a return spring which is sleeved on the rotating shaft and connected with the pressing handle, and the return spring can rotate and return the pressing handle.
Preferably, the display board comprises:
a support table, the surface of which is provided with a groove;
a first fixing part disposed at one side of the support platform;
a second fixing part disposed at the other side of the support platform;
a back plate supported between the first fixing portion and the second fixing portion;
the exhibit clamp is connected with the back plate through the pull rod and can slide along the back plate.
Preferably, the device further comprises a moving mechanism which is arranged at one end of the first bracket and/or one end of the second bracket.
It is preferable that the first and second liquid crystal layers are formed of,
the length of each of the first supporting rod and the second supporting rod is 1.5 m;
the third sliding assembly is clamped with the Nth positioning hole;
the included angle between the first supporting rod and the second supporting rod can be adjusted by 0-45 degrees;
wherein, the positioning hole serial number N is obtained by calculation:
wherein beta represents the angle of the included angle between the first support rod and the second support rod, N is a positive integer representing the number of the limiting holes, mmaxDenotes the maximum length of the draw-bar, mminThe minimum length of the pull rod is shown, a represents the distance between the positioning holes, and l is the distance from the first positioning hole to one end of the second supporting rod.
Preferably, the first sliding assembly and the second sliding assembly slide along the bracket to change the height of the display board;
wherein, the height is obtained by calculation:
L＝cotβ(k+(n-1)b)；
wherein, L is the height of the showing stand, beta represents the angle of the included angle between the first supporting rod and the second supporting rod, k represents the distance from the first limiting hole to one end of the first supporting rod, n represents the serial number of the limiting hole, and b represents the distance between the limiting holes.
The invention has the beneficial effects that:
the display board is connected with the bracket through the sliding assembly, and the sliding assembly slides along the bracket to adjust the height of the display board. In the practical teaching, the height and the use scene of the user can be flexibly adjusted.
The adjusting frame is arranged between the first supporting rod and the second supporting rod bracket, so that the included angle between the first supporting rod and the second supporting rod is adjusted, the display frame is folded and stored, the flexibility is high, and meanwhile, the moving mechanism is arranged at one end of the supporting rod, so that the storage and the moving are convenient.
The sliding assembly designed by the invention is provided with the limiting bulge, can be clamped with the limiting hole on the first supporting rod, and has the advantages of simple structure, stable connection and reasonable design.
Drawings
Fig. 1 is a schematic structural view of a lifting type showing stand for art teaching provided by the invention.
Fig. 2 is a schematic diagram of a first support structure according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a first sliding assembly according to an embodiment of the invention.
Fig. 4 is a schematic view of a display board according to an embodiment of the invention.
Fig. 5 is a schematic view of the structure of the exhibit clamp according to an embodiment of the invention.
Fig. 6 is a schematic view of a connector structure according to an embodiment of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "lateral", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides a lifting type display stand for art teaching, which is structurally shown in fig. 1 and comprises a display board 100, a first support 200, a second support 300, a first sliding assembly 400 and a second sliding assembly 500.
Wherein, the display board 100 is slidably connected to the first support 200 through the first sliding assembly 400, and is slidably connected to the second support 300 through the second sliding assembly 500, and the first sliding assembly 400 and the second sliding assembly 500 respectively slide along the first support 200 and the second support 300, so as to adjust the height of the display board 100.
The first bracket 200 and the second bracket 300 have the same structure, and the first bracket 200 is taken as an example and has a structure as shown in fig. 2, including a first support rod 210, a second support rod 220 and an adjusting bracket 230.
The first support rod 210 has a plurality of position-limiting holes 211, the second support rod 220 has a plurality of positioning holes 221, and the adjusting bracket 230 is disposed between the first support rod 210 and the second support rod 220, so as to change an included angle between the first support rod 210 and the second support rod 220.
Preferably, the moving mechanism 600 is disposed at one end of each of the first support bar 210 and the second support bar 220, so that the art teaching display shelf designed by the present invention can be moved conveniently.
Further, the adjusting bracket 230 includes a socket 231, a third sliding assembly 232, and a connecting rod 233.
The sleeve 231 is sleeved on the first support rod 210, the third sliding assembly 232 is sleeved on the second support rod 220, can slide along the second support rod 220 and is clamped with the positioning hole 221, and the connecting rod 233 is arranged between the sleeve 231 and the third sliding assembly 232.
As a preference, the connecting rod includes:
the surface of the first connecting rod is provided with a plurality of fixing holes;
the second connecting rod is sleeved on the first connecting rod and can slide along the axial direction of the first connecting rod; and the fourth sliding assembly is arranged at one end of the second connecting rod and can be clamped with the fixing hole.
The first sliding assembly and the second sliding assembly have the same structure, and the first sliding assembly 400 is taken as an example and has a structure as shown in fig. 3, and includes a housing 410, a side housing 420, a rotating shaft 430, a pressing handle 440 and a limiting protrusion 450.
The housing 410 has a first through hole capable of accommodating the first support rod 210; the side position shell 420 is arranged at one side of the shell 410, is integrally connected with the shell 410, is provided with a second through hole, and is communicated with the first through hole; the rotation shaft 430 is supported on the side case 420; the pressing handle 440 is rotatably sleeved on the rotating shaft 430; the limiting protrusion 450 is disposed at one side of the pressing handle 440, can rotate around the rotating shaft 430 along with the pressing handle 440, and is engaged with the limiting hole 211.
Preferably, a return spring is fitted around the rotation shaft 430, and the return spring is connected to the push lever 440 to rotatably return the push lever. In practical use, the pressing handle 440 is pressed, the pressing handle 440 and the limiting protrusion 450 rotate around the rotating shaft 430, so that the limiting protrusion 450 is separated from the limiting hole 211, and the sliding assembly can rotate along the axial direction of the bracket; the pressing handle 440 is loosened, the pressing handle 440 is rotated and reset by the reset spring, the limiting protrusion 450 rotates along with the pressing handle 440 and is clamped with the limiting hole 211 on the bracket, and the sliding assembly is stably connected with the bracket.
In one embodiment of the present invention, the display board 100 is constructed as shown in fig. 4-5, and includes a back plate 110, a supporting platform 120, a first fixing portion 130, a second fixing portion 140 and a display clip 150.
Furthermore, backplate 110 surface has limit rail 111, has draw-in groove 151a on the pull rod 151 of showpiece clamp 150, and limit rail 111 and the cooperation of draw-in groove 151a, showpiece clamp 150 can slide along the backplate, can slide the showpiece clamp according to the size of showpiece in the in-service use to make the showpiece place in the backplate surface firmly. Meanwhile, a groove 121 is further formed in the supporting table 120 and can be used for placing teaching aids or painters.
The structure of the exhibit rack according to one embodiment of the present invention is shown in fig. 5, and includes a pull rod 151 and a clip 152. Preferably, the pull rod 151 is provided with a clamping groove 151a, which can be matched with the limit guide rail 111 on the surface of the back plate 110, the exhibit clamp can slide on the surface of the back plate, and the exhibit clamp can slide according to the size of an exhibit in practical use, so that the exhibit can be stably placed on the surface of the back plate.
The contact surface of pressing from both sides 151 and backplate at the showpiece can also set up the elastic contact structure, like sponge, cushion etc. showpiece or drawing board canvas press from both sides tightly, prevent that showpiece or drawing board canvas from removing, landing, play the guard action to showpiece or drawing board canvas simultaneously, prevent to extrude the damage.
In an embodiment of the present invention, as shown in fig. 6, the first support bar 210 is connected to the second support bar 220 by a connecting member 700.
The further connecting member 700 is an elastic bent tube, one end of the connecting member 700 is connected with the first supporting rod 210 through a bearing 710, the other end of the connecting member 700 is connected with the second supporting rod through a bearing 710, and the first supporting rod 210 and the second supporting rod 220 can rotate around the bearing 710 to change the included angle between the first supporting rod 210 and the second supporting rod 220.
As a preference for the use of the composition,
the length of each of the first supporting rod and the second supporting rod is 1.5 m;
the third sliding assembly is clamped with the Nth positioning hole;
the included angle between the first supporting rod and the second supporting rod can be adjusted by 0-45 degrees;
wherein, the positioning hole serial number N is obtained by calculation:
wherein beta represents the angle of the included angle between the first support rod and the second support rod, N is a positive integer representing the number of the limiting holes, mmaxDenotes the maximum length of the draw-bar, mminThe minimum length of the pull rod is shown, a represents the distance between the positioning holes, and l is the distance from the first positioning hole to one end of the second supporting rod.
Preferably, the first sliding assembly and the second sliding assembly slide along the bracket to change the height of the display board;
wherein, the height is obtained by calculation:
L＝cotβ(k+(n-1)b)；
wherein, L is the height of the showing stand, beta represents the angle of the included angle between the first supporting rod and the second supporting rod, k represents the distance from the first limiting hole to one end of the first supporting rod, n represents the serial number of the limiting hole, and b represents the distance between the limiting holes.
The lifting type display rack for art teaching can be used for displaying works in art teaching and can also be used as a painting rack, when the display rack is used, the height of the display board can be flexibly adjusted according to the height and the environment of an actual user or a viewer, when the display rack is not used, the folding function of the display rack can be realized by adjusting the included angle between the supporting rods, and the lifting type display rack is small in size and convenient to store and move.
The lifting display rack for art teaching designed by the invention can be made of alloy, aluminum, polyethylene resin and the like, has a stable structure, is simple in control method, high in flexibility and long in service life, can be used in art rooms and outdoor sketching, and is wide in application range compared with the traditional simple batten art rack.
In the above embodiments, the technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the technical features.
The above descriptions are only examples of the present invention, and common general knowledge of known specific structures, characteristics, and the like in the schemes is not described herein too much, and it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the invention, several changes and modifications can be made, which should also be regarded as the protection scope of the invention, and these will not affect the effect of the invention and the practicality of the patent.
Claims (10)
1. The utility model provides an over-and-under type show shelf is used in fine arts teaching, its characterized in that you include:
a display board;
the first bracket is arranged on one side of the display board;
the second bracket is arranged on the other side of the display board;
the first sliding assembly is connected with the display board and can be sleeved on the first support in a sliding manner;
and the second sliding assembly is connected with the display board and sleeved on the second support in a sliding manner so as to adjust the relative position of the display board and the support.
2. The art teaching lifting display stand of claim 1, wherein the first support and the second support each comprise:
a first support rod having a plurality of limiting holes;
one end of the second supporting rod is hinged with the first supporting rod and is provided with a plurality of positioning holes;
the adjusting bracket is arranged between the first supporting rod and the second supporting rod and can change the included angle between the first supporting rod and the second supporting rod.
3. The elevating type display stand for art teaching as claimed in claim 2, wherein said adjusting stand comprises:
the sleeving piece is sleeved on the first supporting rod;
the third sliding assembly is sleeved on the second supporting rod, can slide along the second supporting rod and is clamped with the positioning hole;
a connecting rod disposed between the socket and the third slider.
4. The art teaching of claim 3 is with over-and-under type show shelf, characterized in that, the connecting rod includes:
the surface of the first connecting rod is provided with a plurality of fixing holes;
the second connecting rod is sleeved on the first connecting rod and can slide along the axial direction of the first connecting rod;
and the fourth sliding assembly is arranged at one end of the second connecting rod and can be clamped with the fixing hole.
5. The art teaching of claim 4 wherein the first and second slide assemblies each comprise:
a housing having a first through hole capable of accommodating the holder;
a side position housing which is provided on one side of the housing, is integrally connected to the housing, has a second through hole, and communicates with the first through hole;
a rotating shaft supported on the side housing;
the pressing handle is rotatably sleeved on the rotating shaft;
and the limiting protrusion is arranged on one side of the pressing handle, can rotate around the rotating shaft along with the pressing handle, and is clamped with the limiting hole.
6. The elevating type display stand for art teaching as claimed in claim 5, further comprising a return spring fitted around the rotation shaft and connected to the pressing handle, so as to rotationally return the pressing handle.
7. The lifting type display stand for art teaching as claimed in claim 6, wherein the display board comprises:
a support table, the surface of which is provided with a groove;
a first fixing portion provided on one side of the support table;
a second fixing part disposed at the other side of the support table;
a back plate supported between the first fixing portion and the second fixing portion;
the exhibit clamp is connected with the back plate through a pull rod and can slide along the back plate.
8. The elevating type display stand for art teaching as claimed in claim 7, further comprising a moving mechanism provided at one end of the first stand support and/or one end of the second stand.
9. The elevating display stand for art teaching as set forth in claim 8, further comprising:
the length of each of the first supporting rod and the second supporting rod is 1.5 m;
the third sliding assembly is clamped with the Nth positioning hole so as to realize the adjustment of the included angle between the first supporting rod and the second supporting rod, and the adjustment range of the included angle between the first supporting rod and the second supporting rod is 0-45 degrees;
the positioning hole serial number N is obtained through calculation, and the calculation formula is as follows:
wherein beta represents the angle of the included angle between the first support rod and the second support rod, N is a positive integer representing the serial number of the positioning hole, mmaxDenotes the maximum length of the draw-bar, mminThe minimum length of the pull rod is shown, a represents the distance between the positioning holes, and l is the distance from the first positioning hole to one end of the second supporting rod.
10. The method of controlling an elevating type display stand for art teaching as set forth in claim 9, wherein the first sliding unit and the second sliding unit slide along the stand to change the height of the display board;
wherein the height is calculated as:
L＝cotβ(k+(n-1)b)；
wherein, L is the height of the showing stand, beta represents the angle of the included angle between the first supporting rod and the second supporting rod, k represents the distance from the first limiting hole to one end of the first supporting rod, n represents the serial number of the limiting hole, and b represents the distance between the limiting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110265632.0A CN112998409A (en) | 2021-03-11 | 2021-03-11 | Lifting type display rack for art teaching and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110265632.0A CN112998409A (en) | 2021-03-11 | 2021-03-11 | Lifting type display rack for art teaching and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112998409A true CN112998409A (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110265632.0A Pending CN112998409A (en) | 2021-03-11 | 2021-03-11 | Lifting type display rack for art teaching and control method thereof |
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| US20100308196A1 (en) * | 2009-06-05 | 2010-12-09 | Cheol Joong Lee | Telescopic prop-up pole device |
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| CN204263830U (en) * | 2014-10-22 | 2015-04-15 | 奥光动漫集团有限公司 | A kind of double-faced drawing board |
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| CN204599746U (en) * | 2015-04-24 | 2015-09-02 | 路华（厦门）贸易有限公司 | A kind of height-adjustable folding table |
| CN208435016U (en) * | 2018-01-30 | 2019-01-29 | 东莞市澳星视听器材有限公司 | A kind of easel |
| CN209898644U (en) * | 2019-04-02 | 2020-01-07 | 泰州职业技术学院 | Indoor design draft holder |
| CN210634342U (en) * | 2019-07-30 | 2020-05-29 | 重庆工商大学 | Portable easel for art design |
| CN211961314U (en) * | 2020-03-12 | 2020-11-20 | 杭州可能创意设计有限公司 | Adjustable direct-seeding counter |
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2021
- 2021-03-11 CN CN202110265632.0A patent/CN112998409A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100308196A1 (en) * | 2009-06-05 | 2010-12-09 | Cheol Joong Lee | Telescopic prop-up pole device |
| TWM483011U (en) * | 2013-11-29 | 2014-08-01 | Shern Dar Ind Corp | Easily pullable automatic returning device |
| CN204263830U (en) * | 2014-10-22 | 2015-04-15 | 奥光动漫集团有限公司 | A kind of double-faced drawing board |
| CN204599747U (en) * | 2015-04-24 | 2015-09-02 | 路华（厦门）贸易有限公司 | A kind of height-adjustable dual crossing folding table |
| CN204599746U (en) * | 2015-04-24 | 2015-09-02 | 路华（厦门）贸易有限公司 | A kind of height-adjustable folding table |
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| CN211961314U (en) * | 2020-03-12 | 2020-11-20 | 杭州可能创意设计有限公司 | Adjustable direct-seeding counter |
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