CN109584675B - Display device for literature and art teaching - Google Patents
Display device for literature and art teaching Download PDFInfo
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- CN109584675B CN109584675B CN201910046904.0A CN201910046904A CN109584675B CN 109584675 B CN109584675 B CN 109584675B CN 201910046904 A CN201910046904 A CN 201910046904A CN 109584675 B CN109584675 B CN 109584675B
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- painting
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
- G09B11/10—Teaching painting
Abstract
The invention belongs to the technical field of teaching equipment, in particular to a display device for literature and art teaching; the device comprises a mounting seat, a mounting plate, a supporting upright post, a universal wheel, a rotating roller, an upper clamp, a limiting plate, a lower clamp, a limiting plate, a power unit and an amplifying unit; the mounting plate is fixedly connected to the upper side face of the mounting seat, and one end of the supporting stand column is fixedly connected to the lower side face of the mounting plate; by arranging the upper clamp, the spring and the lower clamp, the painting can be straightened, and the phenomenon that the painting is folded during display to influence the display of the painting is avoided; at the moment, the universal wheels are pushed, so that the painting can be well displayed in a classroom; when the painting is required to be rolled up, the positions of the heavy weight and the light weight are exchanged, the rotating roller rotates to drive the two upper clamps to rotate together, the painting is rolled up, rolling is very convenient, and time is saved.
Description
Technical Field
The invention belongs to the technical field of teaching equipment, and particularly relates to a display device for literature and art teaching.
Background
The literature and art is a subject which takes literature as an object, discloses basic laws of literature and introduces related knowledge,
three branches were included, namely, literary theory, literary criticism, and literary history. These three branches have different subjects and tasks. They are independent of each other, and are mutually connected and permeated. The literature theory is used as a subject for researching the general law of literature, has unique research objects and tasks, and has distinct practical and value orientation.
Teacher often need show outstanding student's drawing to the student in literature teaching, does not all have specialized display device at present, all directly hangs on the podium, but hangs when the podium, because do not fix, the fold can appear in the drawing, influences the effect of show, and simultaneously when the rolling of drawing, the classroom needs to spend long time to roll up the drawing, and the drawing can be rolled up the wrinkle of fold in addition very easily, is unfavorable for the save to the drawing. In order to solve the above difficulties, it is necessary to develop a teaching aid for art and literature having a function of displaying pictures.
Disclosure of Invention
The invention provides a display device for literature and art teaching, which aims to make up for the defects in the prior art and solve the problems of drawing wrinkles and difficult rolling.
The technical scheme adopted by the invention for solving the technical problems is as follows: the display device for literature and art teaching comprises a mounting seat, a mounting plate, a supporting upright post, a universal wheel, a rotating roller, an upper clamp, a limiting plate, a lower clamp, a limiting plate, a power unit and an amplifying unit, wherein the mounting plate is arranged on the mounting seat; the mounting plate is fixedly connected to the upper side face of the mounting seat, and one end of the supporting stand column is fixedly connected to the lower side face of the mounting plate; the other end of the supporting upright post is provided with a universal wheel; the mounting plate is rotatably connected with a rotating roller; a first sliding groove is formed in one side, close to each other, of the two mounting plates, and a lower clamp is connected in the first sliding groove in a sliding mode; the rotating roller is provided with a second sliding chute, an upper clamp is connected in the second sliding chute in a sliding mode, and the upper clamp is connected with the side wall of the second sliding chute through a spring; two slots are formed in the side, close to each other, of each upper clamp, limiting plates are inserted in the slots in a sliding mode, and the length of each limiting plate is adjustable so as to be suitable for paintings with different widths; the rotating roller is provided with a winding groove; a power unit is arranged in the winding groove; the power unit comprises a rope, a front hook claw, a rear hook claw, a heavy weight and a light weight; the rope is wound in the winding groove, two ends of the rope are fixedly connected with a front hook claw and a rear hook claw respectively, heavy weights are hung on the front hook claw, and light weights are hung on the rear hook claw; the amplifying unit is arranged on the mounting plate and comprises a first sliding rod, a second sliding rod, a sliding block, a first locking knob, a second locking knob and a magnifying lens; the first sliding rod is fixedly connected to the mounting plate and horizontally arranged, a sliding block is sleeved on the first sliding rod in a sliding mode, a first locking knob is connected to the sliding block in a threaded mode and is in contact with the first sliding rod, and the first locking knob is used for fixing the sliding block on the first sliding rod; a second sliding rod penetrates through the sliding block in a sliding mode in the vertical direction, the second sliding rod is perpendicular to the first sliding rod, and a second locking knob is connected to the sliding block in a threaded mode; the second locking knob is in contact with the second slide bar and used for fixing the position of the second slide bar in the slide block, and a magnifier is fixedly mounted at the lower end of the second slide bar and used for magnifying details in painting.
As an implementation mode of the invention, the supporting upright post is a telescopic rod, a positioning plate is fixedly connected to a movable section of the telescopic rod, and one end of a first hinge rod is hinged to the positioning plate; the other end of the first hinge rod is hinged on the shaft sleeve; one end of a second hinge rod is hinged to the shaft sleeve, the other end of the second hinge rod is hinged to the lower side surface of the mounting seat, a threaded rod penetrates through the shaft sleeve in a threaded manner, a handle is fixedly connected to the end portion of the threaded rod, the threaded rod penetrates through the telescopic end of the telescopic plate in a rotating manner through a bearing, and the telescopic plate is fixedly connected to the lower side surface of the mounting seat; through the twist grip, can remove about the threaded rod drives the axle sleeve, through the cooperation between axle sleeve, an articulated arm and No. two articulated arms for the telescopic link is flexible, thereby adjusts the height of painting.
As an implementation mode of the invention, the lower clamp is fixedly connected with the balancing weight, so that the picture can be in a tensioned state when being rolled, and no wrinkles are generated. The limiting plate which is the same as the upper clip is inserted between the two lower clips, and the limiting plate is tightly attached to the painting under the action of the lower clips, so that the painting is guaranteed to be evenly stressed, and the painting is prevented from being pulled and damaged.
As an implementation mode of the invention, the universal wheel is a self-locking universal wheel which is convenient to move and fix.
As an embodiment of the present invention, an anti-slip rubber pad is disposed on a surface of the upper clip contacting the painting, the anti-slip rubber pad has a rectangular structure, the anti-slip rubber pad is disposed to be attached to a clamping surface of the upper clip, an edge of a plane of the anti-slip rubber pad attached to the upper clip is fixedly connected to the upper clip, so that the anti-slip rubber pad is turned outwards, a tension detection sensor for detecting a tension of the spring is connected between the spring and a side wall of the second chute, the tension detection sensor is electrically connected to the controller, and the controller controls the alarm to give an alarm.
When the size of the painting is small, the spring is under certain tension, the anti-skid rubber pad is in a flattened state, the painting is clamped through the upper clamp, the tension sensor transmits the force applied to the spring to the controller, and when the stress of the spring reaches or exceeds a preset value, the controller controls the alarm to give an alarm, so that the painting is prevented from being torn and damaged;
when the size of the painting is just to enable the stress of the spring to be zero, the anti-skid rubber pad is in a flattening state, and the anti-skid rubber pad can improve the friction force between the anti-skid rubber pad and the painting;
when the size of the painting is large, the edges of the left side and the right side of the painting can be rolled up, and the anti-skid rubber pads are simultaneously rolled up, so that the free ends of the anti-skid rubber pads are in contact with the painting, sufficient gaps are ensured to be left in the upper clamp for storing the rolled redundant painting, and the edges of the painting can be prevented from being pressed out of creases;
under the above-mentioned three kinds of size condition of drawing, when the wind blows the drawing and makes the spring receive certain pulling force, if the pulling force value that tension sensor detected is less than the default, the siren does not send out the police dispatch newspaper, otherwise sends out the police dispatch newspaper.
As an embodiment of the present invention, a bearing seat is disposed at a rotational connection portion between the rotating roller and the mounting plate, and the bearing seat is used for reducing friction between the rotating roller and the mounting plate and increasing a service life of the rotating roller.
The invention has the following beneficial effects:
1. according to the invention, the upper clamp, the spring and the lower clamp are arranged, so that the painting can be straightened, and the phenomenon that the painting is folded during display to influence the display of the painting is avoided; at the moment, the universal wheels are pushed, so that the painting can be well displayed in a classroom; when the painting is required to be rolled up, the positions of the heavy weight and the light weight are exchanged, the rotating roller rotates to drive the two upper clamps to rotate together, the painting is rolled up, rolling is very convenient, and time is saved.
2. According to the invention, the counterweight block and the spring are arranged, so that the painting can be in a tensioned state when being rolled, and the rolled painting does not generate wrinkles, so that the painting can be well stored; through opening lower clip, will descend clip and drawing to make the separation, open the clip again, in the clip pull back second spout will be gone up to the spring this moment, limiting plate and last clip break away from this moment, will roll up the drawing of good and take off to pour the limiting plate can, convenient to use has improved teaching efficiency.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a view showing an operation of the anti-slip rubber pad;
FIG. 4 is another operation of the anti-slip rubber pad;
in the figure: the mounting base comprises a mounting base 1, a mounting plate 2, a supporting upright post 3, a positioning plate 31, a first hinge rod 32, a shaft sleeve 33, a second hinge rod 34, a threaded rod 35, a universal wheel 4, a rotating roller 5, an upper clamp 6, an anti-skid rubber pad 61, a lower clamp 7, a balancing weight 71, a limiting plate 8, a power unit 9, a rope 91, a front hook claw 92, a rear hook claw 93, a heavy weight 94, a light weight 95, an amplification unit 10, a first sliding rod 101, a second sliding rod 102, a sliding block 103, a first locking knob 104, a second locking knob 105 and a magnifying lens 106.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the display device for literature and art teaching comprises a mounting base 1, a mounting plate 2, a supporting upright post 3, a universal wheel 4, a rotating roller 5, an upper clamp 6, a lower clamp 7, a limiting plate 8, a power unit 9 and an amplifying unit 10; the mounting plate 2 is fixedly connected to the upper side surface of the mounting base 1, and one end of the supporting upright post 3 is fixedly connected to the lower side surface of the mounting plate 2; the other end of the supporting upright post 3 is provided with a universal wheel 4; the mounting plate 2 is rotatably connected with a rotating roller 5; a first sliding groove is formed in one side, close to each other, of the two mounting plates 2, and a lower clamp 7 is connected in the first sliding groove in a sliding mode; a second sliding groove is formed in the rotating roller 5, an upper clamp 6 is connected in the second sliding groove in a sliding mode, and the upper clamp 6 is connected with the side wall of the second sliding groove through a spring; two slots are formed in the side, close to each other, of each of the two upper clamps 6, a limiting plate 8 is inserted in each slot in a sliding mode, and the length of each limiting plate 8 is adjustable so as to be suitable for paintings with different widths; a winding groove is formed in the rotating roller 5; a power unit 9 is arranged in the winding groove; the power unit 9 comprises a rope 91, a front hook 92, a rear hook 93, a heavy weight 94 and a light weight 95; the rope 91 is wound in the winding groove, two ends of the rope 91 are fixedly connected with a front hook 92 and a rear hook 93 respectively, a heavy weight 94 is hung on the front hook 92, and a light weight 95 is hung on the rear hook 93; the amplifying unit 10 is arranged on the mounting plate 2, and the amplifying unit 10 comprises a first sliding rod 101, a second sliding rod 102, a sliding block 103, a first locking knob 104, a second locking knob 105 and a magnifying lens 106; the first sliding rod 101 is fixedly connected to the mounting plate 2, the first sliding rod 101 is horizontally arranged, a sliding block 103 is sleeved on the first sliding rod 101 in a sliding mode, a first locking knob 104 is connected to the sliding block 103 in a threaded mode, the first locking knob 104 is in contact with the first sliding rod 101, and the first locking knob 104 is used for fixing the sliding block 103 on the first sliding rod 101; a second sliding rod 102 penetrates through the sliding block 103 in a sliding mode in the vertical direction, the second sliding rod 102 is perpendicular to the first sliding rod 101, and a second locking knob 105 is connected to the sliding block 103 in a threaded mode; the second locking knob 105 is in contact with the second sliding rod 102, the second locking knob 105 is used for fixing the position of the second sliding rod 102 in the sliding block 103, the lower end of the second sliding rod 102 is fixedly provided with a magnifier 106, and the magnifier 106 is used for magnifying details in painting.
As an embodiment of the present invention, the supporting upright 3 is a telescopic rod, a positioning plate 31 is fixedly connected to a movable section of the telescopic rod, and one end of a first hinge rod 32 is hinged to the positioning plate 31; the other end of the first hinge rod 32 is hinged on the shaft sleeve 33; one end of a second hinge rod 34 is hinged to the shaft sleeve 33, the other end of the second hinge rod 34 is hinged to the lower side surface of the mounting seat 1, a threaded rod 35 penetrates through the shaft sleeve 33 in a threaded manner, a handle is fixedly connected to the end portion of the threaded rod 35, the threaded rod 35 penetrates through the telescopic end of the telescopic plate in a rotating manner through a bearing, and the telescopic plate is fixedly connected to the lower side surface of the mounting seat 1; through the twist grip, can remove about driving axle sleeve 33 through threaded rod 35, through the cooperation between axle sleeve 33, an articulated arm 32 and No. two articulated arms 34 for the telescopic link is flexible, thereby adjusts the height of painting.
In an embodiment of the present invention, the lower clip 7 is fixedly connected with a weight 71, which can be under tension when the painting is rolled, and no wrinkles are generated. The limiting plate 8 which is the same as the upper clip 6 is inserted between the two lower clips 7, and the limiting plate 8 is tightly attached to the painting under the action of the lower clips 7, so that the uniform stress of the painting is guaranteed, and the painting is prevented from being pulled and damaged.
As an embodiment of the present invention, the universal wheel 4 is a self-locking universal wheel, which is convenient to move and fix.
As an embodiment of the present invention, an anti-slip rubber pad 61 is disposed on a surface of the upper clip 6 contacting with the painting, the anti-slip rubber pad 61 is in a rectangular structure, the anti-slip rubber pad 61 is arranged to be attached to a clamping surface of the upper clip 6, an edge of a plane of the anti-slip rubber pad 61 attached to the upper clip 6 is fixedly connected to the upper clip 6, so that the anti-slip rubber pad 61 is folded outwards, a tension detection sensor for detecting a tension of the spring is connected between the spring and a side wall of the second chute, the tension detection sensor is electrically connected to the controller, and the controller controls the alarm to give an alarm.
When the size of the painting is small, the spring is under certain tension, the anti-skid rubber pad 61 is in a flattened state, the painting is clamped through the upper clamp 6, the tension sensor transmits the force applied to the spring to the controller, and when the stress of the spring reaches or exceeds a preset value, the controller controls the alarm to give an alarm, so that the painting is prevented from being torn and damaged;
when the size of the painting is just to enable the stress of the spring to be zero, the anti-skid rubber pad 61 is in a flattening state, and the anti-skid rubber pad 61 can improve the friction force between the anti-skid rubber pad 61 and the painting;
when the size of the painting is large, the edges of the left side and the right side of the painting can be rolled up, and the anti-skid rubber pad 61 is rolled up at the same time, so that the free end of the anti-skid rubber pad 61 is in contact with the painting, sufficient clearance is reserved for storing the rolled redundant painting, and the edge of the painting can be prevented from being pressed with creases;
under the above-mentioned three kinds of size condition of drawing, when the wind blows the drawing and makes the spring receive certain pulling force, if the pulling force value that tension sensor detected is less than the default, the siren does not send out the police dispatch newspaper, otherwise sends out the police dispatch newspaper.
In one embodiment of the present invention, a bearing seat is disposed at a rotational connection portion between the rotating roller 5 and the mounting plate 2, and the bearing seat is used for reducing friction between the rotating roller 5 and the mounting plate 2 and prolonging a service life of the rotating roller 5.
In the scheme, the upper part of the painting is clamped by using the upper clamp 6, the spring is in a stretching state at the moment, and the painting is straightened by matching the spring with the upper clamp 6, so that the painting is prevented from being folded and the display of the painting is prevented from being influenced; the lower part of the painting is clamped by using a lower clamp 7, and the painting is tensioned downwards by the lower clamp 7 at the moment, so that the painting is fixed; at the moment, the universal wheels 4 are pushed, so that the paintings can be well displayed in a classroom. When the painting is required to be rolled up, the positions of the heavy weight 94 and the light weight 95 are only required to be exchanged, so that the heavy weight 94 drives the rear hook claw 93 to move downwards, at the moment, the front hook claw 92 moves upwards, the rotating roller 5 rotates through the cooperation among the heavy weight 94, the rear hook claw 93, the front hook claw 92 and the rope 91, the limiting plate 8 is arranged between the two upper clamps 6, the limiting plate 8 is used for transmission, the rotating roller 5 rotates to drive the two upper clamps 6 to rotate together, the painting is rolled up, the rolling is very convenient, the time is saved, the painting can be in a tensioned state when the painting is rolled up through the arrangement of the balancing weight 71 and the spring, and the painting after rolling up can not generate wrinkles, so that the painting can be well stored; through opening lower clip 7, will descend clip 7 and the separation of drawing, open clip 6 again, in clip 6 pull back second spout will be gone up to the spring this moment, limiting plate 8 breaks away from with last clip 6 this moment, will roll up drawing good and take off to pour limiting plate 8 can, convenient to use has improved teaching efficiency.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a display device is used in literature and literature teaching, includes mount pad (1), its characterized in that: the device also comprises a mounting plate (2), a supporting upright post (3), a universal wheel (4), a rotating roller (5), an upper clamp (6), a lower clamp (7), a limiting plate (8), a power unit (9) and an amplifying unit (10); the mounting plate (2) is fixedly connected to the upper side face of the mounting base (1), and one end of the supporting upright post (3) is fixedly connected to the lower side face of the mounting plate (2); the other end of the supporting upright post (3) is provided with a universal wheel (4); the mounting plate (2) is rotatably connected with a rotating roller (5); a first sliding groove is formed in one side, close to each other, of the two mounting plates (2), and a lower clamp (7) is connected in the first sliding groove in a sliding mode; a second sliding groove is formed in the rotating roller (5), an upper clamp (6) is connected in the second sliding groove in a sliding mode, and the upper clamp (6) is connected with the side wall of the second sliding groove through a spring; two slots are formed in the side, close to each other, of each of the two upper clamps (6), limiting plates (8) are inserted in the slots in a sliding mode, and the length of each limiting plate (8) is adjustable; a winding groove is formed in the rotating roller (5); a power unit (9) is arranged in the winding groove; the power unit (9) comprises a rope (91), a front hook claw (92), a rear hook claw (93), a heavy weight (94) and a light weight (95); the rope (91) is wound in the winding groove, two ends of the rope (91) are fixedly connected with a front hook claw (92) and a rear hook claw (93) respectively, a heavy weight (94) is hung on the front hook claw (92), and a light weight (95) is hung on the rear hook claw (93); the magnifying unit (10) is arranged on the mounting plate (2), and the magnifying unit (10) comprises a first sliding rod (101), a second sliding rod (102), a sliding block (103), a first locking knob (104), a second locking knob (105) and a magnifying lens (106); the first sliding rod (101) is fixedly connected to the mounting plate (2), the first sliding rod (101) is horizontally arranged, the first sliding rod (101) is sleeved with a sliding block (103) in a sliding mode, a first locking knob (104) is connected to the sliding block (103) in a threaded mode, and the first locking knob (104) is in contact with the first sliding rod (101); a second sliding rod (102) penetrates through the sliding block (103) in a sliding mode in the vertical direction, the second sliding rod (102) is perpendicular to the first sliding rod (101), a second locking knob (105) is connected to the sliding block (103) in a threaded mode, the second locking knob (105) is in contact with the second sliding rod (102), and a magnifying lens (106) is fixedly installed at the lower end of the second sliding rod (102);
the supporting upright posts (3) are telescopic rods, the movable sections of the telescopic rods are fixedly connected with positioning plates (31), and one ends of first hinge rods (32) are hinged to the positioning plates (31); the other end of the first hinge rod (32) is hinged on the shaft sleeve (33); one end of a second hinge rod (34) is hinged to the shaft sleeve (33), the other end of the second hinge rod (34) is hinged to the lower side surface of the mounting seat (1), a threaded rod (35) penetrates through the shaft sleeve (33) in a threaded manner, the end part of the threaded rod (35) is fixedly connected with a handle, the threaded rod (35) penetrates through the telescopic end of the telescopic plate through the rotation of a bearing, and the telescopic plate is fixedly connected to the lower side surface of the mounting seat (1);
the lower clips (7) are fixedly connected with balancing weights (71), and a limiting plate (8) which is the same as the upper clip (6) is inserted between the two lower clips (7);
the universal wheel (4) is a self-locking universal wheel (4);
an anti-skid rubber pad (61) is arranged on the surface, in contact with the painting, of the upper clamp (6), the anti-skid rubber pad (61) is of a rectangular structure, the anti-skid rubber pad (61) is arranged by being attached to the clamping surface of the upper clamp (6), the edge of the plane, attached to the upper clamp (6), of the anti-skid rubber pad (61) is fixedly connected with the upper clamp (6) so that the anti-skid rubber pad (61) can be turned outwards, a tension detection sensor for detecting the tension of the spring is connected between the spring and the side wall of the second chute, the tension detection sensor is electrically connected with a controller, and the controller controls the alarm to give an alarm;
the upper part of the painting is clamped by using the upper clamp (6), the spring is in a stretching state at the moment, and the painting is straightened by matching the spring with the upper clamp (6), so that the painting is prevented from being folded and the display of the painting is prevented from being influenced; clamping the lower part of the painting by using a lower clamp (7), and tensioning the painting downwards by using the lower clamp (7) at the moment so as to fix the painting; at the moment, the universal wheel (4) is pushed; when the painting is required to be collected, the positions of the heavy weight (94) and the light weight (95) are only required to be exchanged, the heavy weight (94) drives the rear hook claw (93) to move downwards, at the moment, the front hook claw (92) moves upwards, the rotating roller (5) rotates through the matching among the heavy weight (94), the rear hook claw (93), the front hook claw (92) and the rope (91), because a limiting plate (8) is arranged between the two upper clamps (6), the limiting plate (8) is used for transmission, the rotating roller (5) rotates to drive the two upper clamps (6) to rotate together, the painting is collected, the collection is very convenient, the time is saved, the lower clamps (7) are separated from the painting through opening the lower clamps (7), the upper clamps (6) are opened again, at the moment, the upper clamps (6) are pulled back into the second sliding grooves by springs, at the moment, the limiting plate (8) is separated from the upper clamps (6), and taking down the coiled picture, and pouring out the limiting plate (8).
2. The display device for literature and art teaching of claim 1, wherein: and a bearing seat is arranged at the rotary connection part of the rotating roller (5) and the mounting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046904.0A CN109584675B (en) | 2019-01-18 | 2019-01-18 | Display device for literature and art teaching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046904.0A CN109584675B (en) | 2019-01-18 | 2019-01-18 | Display device for literature and art teaching |
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| CN109584675A CN109584675A (en) | 2019-04-05 |
| CN109584675B true CN109584675B (en) | 2020-10-30 |
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| CN201910046904.0A Active CN109584675B (en) | 2019-01-18 | 2019-01-18 | Display device for literature and art teaching |
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| CN110288863A (en) * | 2019-07-26 | 2019-09-27 | 牡丹江师范学院 | A kind of literature and art teaching long-distance educational system |
| CN110733948B (en) * | 2019-10-21 | 2022-02-11 | 杭州职业技术学院 | Multifunctional control panel assembly in elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201477832U (en) * | 2009-08-26 | 2010-05-19 | 李寿星 | Device for displaying information of pictures |
| CN104732837A (en) * | 2013-12-19 | 2015-06-24 | 张源静 | Positioning device for animation teaching |
| CN108201272B (en) * | 2016-12-19 | 2020-12-25 | 浙江海洋大学 | Literature teaching auxiliary assembly |
| CN206946886U (en) * | 2017-06-16 | 2018-01-30 | 张福涛 | Campus culture publicity exhibition board |
| CN207597758U (en) * | 2017-11-01 | 2018-07-10 | 浙江金柯金属制品有限公司 | A kind of railing pendant connects system component |
| CN208315154U (en) * | 2018-06-14 | 2019-01-01 | 宋艳 | A kind of interim advertisement support frame of human resources |
| CN109124203A (en) * | 2018-11-07 | 2019-01-04 | 胡丹 | A kind of urban and rural planning layout displaying device |
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