阅读说明：本技术 一种视觉传达专业教学用演示装置 (Presentation device is used in teaching of visual transmission specialty ) 是由 张丽娟 王建强 葛庆洋 钱亚军 李玮 李楠 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种视觉传达专业教学用演示装置,属于教学用具技术领域,包括第一支撑板,第一支撑板的一侧设置有限位框体,限位框体的内部设置有展示板,所述第一支撑板的另一侧间隔设置有第二支撑板,第二支撑板朝向限位框体的一侧设置有用于对第一支撑板起到高度调节作用的高度调节机构,第二支撑板的另一侧设置有第一限位板；本发明结构简单,使用方便,使用时通过多机构之间的联动配合对装置的高度进行联动提升,使用户对演示装置的高度调节效果更好,其次,本装置通过多机构之间的联动配合对装置的支撑面积进行联动调节,显著提升演示装置的可靠性,避免演示装置在使用时发生倾倒。(The invention discloses a demonstration device for visual transmission major teaching, which belongs to the technical field of teaching aids and comprises a first supporting plate, wherein one side of the first supporting plate is provided with a limiting frame body, a display plate is arranged inside the limiting frame body, the other side of the first supporting plate is provided with second supporting plates at intervals, one side of each second supporting plate, which faces the limiting frame body, is provided with a height adjusting mechanism for adjusting the height of the first supporting plate, and the other side of each second supporting plate is provided with a first limiting plate; the height adjusting device is simple in structure and convenient to use, the height of the device is lifted in a linkage mode through linkage coordination among the multiple mechanisms during use, so that the height adjusting effect of a user on the demonstration device is better, and secondly, the device adjusts the supporting area of the device in a linkage mode through linkage coordination among the multiple mechanisms, so that the reliability of the demonstration device is remarkably improved, and the demonstration device is prevented from toppling during use.)

1. The utility model provides a presentation device is used in teaching of visual transmission specialty, includes first backup pad, and one side of first backup pad is provided with spacing framework, and the inside of spacing framework is provided with show board, its characterized in that: the opposite side interval of first backup pad is provided with the second backup pad, and the second backup pad is provided with the height control mechanism who is used for playing the altitude mixture control effect to first backup pad towards one side of spacing framework, and the opposite side of second backup pad is provided with first limiting plate, and the both sides of first limiting plate are provided with the spacing supporting mechanism who is used for playing the supporting role to the second backup pad, be provided with the first driving piece that sets up with the linkage of height control mechanism on the first limiting plate, the flexible end of first driving piece be provided with spacing supporting mechanism sliding connection's spacing driving piece.

2. A presentation device for visual communication professionally teaching according to claim 1, wherein: the height adjusting mechanism comprises a limiting base, height adjusting pieces corresponding to the second supporting plate are arranged at two ends of the limiting base, and second driving pieces corresponding to the first supporting plate are further arranged at two ends of the limiting base.

3. A presentation device for visual communication professionally teaching according to claim 2, wherein: the inside of spacing base is provided with the stripper plate, and one side of stripper plate is provided with the fixed plate corresponding with the second backup pad, and the one end that the second backup pad was kept away from to the fixed plate is provided with the third driving piece, and the junction of third driving piece and first driving piece is provided with coupling hose, and coupling hose is linked together with the second driving piece.

4. A presentation device for visual communication professionally teaching according to claim 3, wherein: the flexible end of third driving piece is provided with the flexible driving piece that is used for the flexible end shrink of drive first driving piece, and flexible driving piece is spring or the spacing pipe of rubber elasticity.

5. A presentation device for visual communication professionally teaching according to claim 2, wherein: and warning plates for warning are further arranged at two ends of the limiting base.

6. A presentation device for visual communication professionally teaching according to claim 1, wherein: the limiting support mechanism comprises a support sliding plate which is in sliding connection with the limiting driving piece, a land wheel is arranged on the lower surface of the support sliding plate, a limiting sliding rail corresponding to the second support plate is arranged on one side of the support sliding plate, and a limiting sliding plate which is in sliding connection with the limiting sliding rail is arranged on the side surface of the support sliding plate.

7. A presentation device for visual communication professionally teaching according to claim 6, wherein: one end of the limiting sliding plate is provided with a second limiting plate, and the two sides of the first limiting plate are provided with elastic resetting pieces used for driving the second limiting plate to move.

8. A presentation device for visual communication professionally teaching according to claim 7, wherein: the elastic reset piece is a spring or an elastic rubber belt.

9. A presentation device for visual communication of professions teaching according to any of claims 1 to 8, wherein: the one end that first backup pad was kept away from to spacing framework is provided with the lighting lamp area that is used for playing the illumination effect.

10. A presentation device for visual communication professionally teaching according to claim 9, wherein: one side of the second supporting plate facing the first supporting plate is provided with a storage battery for preventing the second supporting plate from toppling over, and the storage battery is electrically connected with the lighting lamp strip.

Technical Field

The invention belongs to the technical field of teaching aids, and particularly relates to a demonstration device for visual transmission professional teaching.

Background

The visual transmission refers to artistic creation mainly taking characters, figures and colors as basic elements, influences the feelings and concepts of people by unique artistic charm in the field of mental culture, plays an important role in the daily life of people, and the visual transmission professional needs to use a demonstration device frequently to show teaching contents in the teaching process;

the traditional demonstration device comprises a frame body, a first telescopic rod, a second telescopic rod, a third telescopic rod and a fixed block, and has the advantages that a height adjusting structure is arranged, so that the height of the frame body can be adjusted according to use requirements;

however, the height adjusting structure of the demonstration device is simple, so that when the height of the frame body is lifted by a user, the demonstration device is prone to toppling over more and more when the demonstration device is used along with continuous lifting of the height of the frame body, and the reliability of the demonstration device is poor.

Disclosure of Invention

The invention aims to provide a demonstration device for visual transmission professional teaching, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a presentation device is used in teaching of visual transmission specialty, includes first backup pad, and one side of first backup pad is provided with spacing framework, and the inside of spacing framework is provided with the show board, the opposite side interval of first backup pad is provided with the second backup pad, and the second backup pad is provided with the height adjustment mechanism who is used for playing the height control effect to first backup pad towards one side of spacing framework, and the opposite side of second backup pad is provided with first limiting plate, and the both sides of first limiting plate are provided with the spacing supporting mechanism who is used for playing the supporting role to the second backup pad, are provided with the first driving piece that sets up with the linkage of height adjustment mechanism on the first limiting plate, and the flexible end of first driving piece is provided with the spacing driving piece with spacing supporting mechanism sliding connection.

As a further scheme of the invention: the height adjusting mechanism comprises a limiting base, height adjusting pieces corresponding to the second supporting plate are arranged at two ends of the limiting base, and second driving pieces corresponding to the first supporting plate are further arranged at two ends of the limiting base.

As a still further scheme of the invention: the inside of spacing base is provided with the stripper plate, and one side of stripper plate is provided with the fixed plate corresponding with the second backup pad, and the one end that the second backup pad was kept away from to the fixed plate is provided with the third driving piece, and the junction of third driving piece and first driving piece is provided with coupling hose, and coupling hose is linked together with the second driving piece.

As a still further scheme of the invention: the flexible end of third driving piece is provided with the flexible driving piece that is used for the flexible end shrink of drive first driving piece, and flexible driving piece is spring or the spacing pipe of rubber elasticity.

As a still further scheme of the invention: and warning plates for warning are further arranged at two ends of the limiting base.

As a still further scheme of the invention: the limiting support mechanism comprises a support sliding plate which is in sliding connection with the limiting driving piece, a land wheel is arranged on the lower surface of the support sliding plate, a limiting sliding rail corresponding to the second support plate is arranged on one side of the support sliding plate, and a limiting sliding plate which is in sliding connection with the limiting sliding rail is arranged on the side surface of the support sliding plate.

As a still further scheme of the invention: one end of the limiting sliding plate is provided with a second limiting plate, and the two sides of the first limiting plate are provided with elastic resetting pieces used for driving the second limiting plate to move.

As a still further scheme of the invention: the elastic reset piece is a spring or an elastic rubber belt.

As a still further scheme of the invention: the one end that first backup pad was kept away from to spacing framework is provided with the lighting lamp area that is used for playing the illumination effect.

As a still further scheme of the invention: one side of the second supporting plate facing the first supporting plate is provided with a storage battery for preventing the second supporting plate from toppling over, and the storage battery is electrically connected with the lighting lamp strip.

Compared with the prior art, the invention has the beneficial effects that: the height adjusting device is simple in structure and convenient to use, the height of the device is lifted in a linkage mode through linkage coordination among multiple mechanisms during use, so that the height adjusting effect of a user on the demonstration device is better, secondly, the device adjusts the supporting area of the device in a linkage mode through linkage coordination among the multiple mechanisms, the reliability of the demonstration device is remarkably improved, the demonstration device is prevented from toppling over during use, in addition, the device has a warning function, the function of the demonstration device is enabled to be richer, and the device is worthy of popularization and use.

Drawings

FIG. 1 is a schematic diagram of a presentation device for teaching visual communication of major;

FIG. 2 is a schematic diagram of a height adjustment mechanism in a presentation device for visual communication of professional teaching;

FIG. 3 is a bottom view of a second support plate of the presentation device for visual communication of professions;

FIG. 4 is a schematic structural diagram of a limiting slide plate in a demonstration device for visual transmission of professional teaching;

in the figure: 1-limiting frame body, 2-first supporting plate, 3-height adjusting mechanism, 4-second supporting plate, 5-limiting supporting mechanism, 6-first driving piece, 7-first limiting plate, 8-lighting lamp strip, 9-storage battery, 10-limiting driving piece, 11-elastic resetting piece, 12-display plate, 31-limiting base, 32-height adjusting piece, 33-second driving piece, 34-connecting hose, 35-third driving piece, 36-extrusion plate, 37-fixing plate, 38-elastic driving piece, 39-warning plate, 51-limiting slide rail, 52-second limiting plate, 53-limiting slide plate, 54-supporting slide plate and 55-ground wheel.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed.

The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 and 3, the embodiment provides a demonstration apparatus for visual transmission professional teaching, including a first support plate 2, a limiting frame 1 is disposed on one side of the first support plate 2, a display board 12 is disposed inside the limiting frame 1, second support plates 4 are disposed on the other side of the first support plate 2 at intervals, a height adjusting mechanism 3 for adjusting the height of the first support plate 2 is disposed on one side of the second support plate 4 facing the limiting frame 1, a first limiting plate 7 is disposed on the other side of the second support plate 4, limiting support mechanisms 5 for supporting the second support plate 4 are disposed on two sides of the first limiting plate 7, a first driving member 6 linked with the height adjusting mechanism 3 is disposed on the first limiting plate 7, and a limiting driving member 10 slidably connected with the limiting support mechanisms 5 is disposed on a telescopic end of the first driving member 6;

the structure of the first driving member 6 is not limited, in this embodiment, preferably, the first driving member 6 is a piston hydraulic cylinder or a piston air cylinder, and when in use, the limit driving member 10 is driven by the first driving member 6 to slide closely to the second supporting plate 4;

referring to fig. 2, in an embodiment, in order to make the use of the height adjusting mechanism 3 more convenient, in the embodiment, preferably, the height adjusting mechanism 3 includes a limiting base 31, two ends of the limiting base 31 are provided with height adjusting parts 32 corresponding to the second supporting plate 4, and two ends of the limiting base 31 are further provided with second driving parts 33 corresponding to the first supporting plate 2;

the structure of the height adjusting member 32 is not limited, in this embodiment, preferably, the height adjusting member 32 is an electric telescopic rod or a hydraulic cylinder, the structure of the second driving member 33 is not limited, and the second driving member 33 is a piston hydraulic cylinder or a piston cylinder;

referring to fig. 2, in an embodiment, in order to improve the linkage effect of the height adjustment mechanism 3, in the embodiment, preferably, an extrusion plate 36 is fixedly connected inside the limiting base 31, a fixing plate 37 corresponding to the second support plate 4 is disposed on one side of the extrusion plate 36, a third driving member 35 is fixedly connected to one end of the fixing plate 37 far away from the second support plate 4, a connection hose 34 is disposed at a connection position of the third driving member 35 and the first driving member 6, and the connection hose 34 is communicated with the second driving member 33;

the structure of the third driving element 35 is not limited, in this embodiment, preferably, the third driving element 35 is a piston hydraulic cylinder or a piston air cylinder, the structures of the first driving element 6, the second driving element 33 and the third driving element 35 are the same, and when in use, the first driving element 6 and the second driving element 33 are driven to contract or extend correspondingly by the expansion or contraction of the third driving element 35;

referring to fig. 2, in an embodiment, in order to make the restoring effect of the telescopic end of the third driving member 35 better, in the embodiment, preferably, the telescopic end of the third driving member 35 is provided with an elastic driving member 38 for driving the telescopic end of the first driving member 6 to contract, and the elastic driving member 38 is a spring or a rubber elastic limiting tube;

referring to fig. 2, in an embodiment, in order to make the function of the height adjusting mechanism 3 more abundant, in this embodiment, preferably, warning plates 39 for warning are further disposed at two ends of the limiting base 31, and the warning plates 39 are light reflecting plates or fluorescent plates, and when in use, the warning plates 39 are disposed to warn;

in another embodiment, in order to make the cost of the height adjusting mechanism 3 lower, the height adjusting mechanism 3 includes a limiting base 31, both ends of the limiting base 31 are provided with scissor jacks, both ends of the limiting base 31 are further provided with second driving members 33 corresponding to the first support plate 2, an extrusion plate 36 is fixedly connected inside the limiting base 31, one side of the extrusion plate 36 is provided with a fixing plate 37 corresponding to the second support plate 4, one end of the fixing plate 37 far away from the second support plate 4 is fixedly connected with a third driving member 35, and a connection hose 34 is arranged at the connection position of the third driving member 35 and the first driving member 6;

referring to fig. 3 and 4, in an embodiment, in order to make the limiting support mechanism 5 have a better anti-toppling effect, in the embodiment, preferably, the limiting support mechanism 5 includes a support sliding plate 54 slidably connected to the limiting driving member 10, a ground wheel 55 is disposed on a lower surface of the support sliding plate 54, the ground wheel 55 is a universal wheel, a limiting sliding rail 51 corresponding to the second support plate 4 is disposed on one side of the support sliding plate 54, and a limiting sliding plate 53 slidably connected to the limiting sliding rail 51 is disposed on a side surface of the support sliding plate 54;

the structure of the limiting slide rail 51 is not limited, in this embodiment, preferably, the limiting slide rail 51 is a "T" shaped structure, and when in use, the limiting slide rail 51 and the limiting slide plate 53 are matched with each other to limit the supporting slide plate 54, so as to prevent the supporting slide plate 54 from inclining when in use;

referring to fig. 3, in an embodiment, in order to improve the resetting effect of the limiting sliding plate 53, in the embodiment, preferably, a second limiting plate 52 is disposed at one end of the limiting sliding plate 53, elastic resetting pieces 11 for driving the second limiting plate 52 to move are disposed at two sides of the first limiting plate 7, and the elastic resetting pieces 11 are springs or elastic rubber belts;

the elastic reset piece 11 is located below the limit driving piece 10, and when the elastic reset piece 11 is used, two groups of second limit plates 52 which are located on the same side of the first limit plate 7 and are arranged at intervals can be quickly restored to the initial position shown in fig. 3 when the driving action of the limit driving piece 10 is lost;

in another embodiment, in order to make the cost of the limit support mechanism 5 lower, the limit support mechanism 5 includes a support sliding plate 54 to which the limit driving member 10 is slidably connected, a ground wheel 55 is disposed on the lower surface of the support sliding plate 54, the ground wheel 55 is a universal wheel, a limit sliding rail 51 corresponding to the second support plate 4 is disposed on one side of the support sliding plate 54, limit sliding members slidably connected to the limit sliding rail 51 are disposed on both ends of the second support plate 4, and the limit sliding members are in an "Contraband" shape structure, so that the limit sliding rail 51 is prevented from tilting during use by the limit sliding members;

referring to fig. 1, in an embodiment, in order to make the use of the demonstration apparatus more humanized, in the embodiment, preferably, an illumination lamp strip 8 for illumination is disposed at one end of the limiting frame 1 away from the first support plate 2;

referring to fig. 1, in an embodiment, in order to improve the stability of the demonstration apparatus, in the embodiment, preferably, a side of the second support plate 4 facing the first support plate 2 is provided with a storage battery 9 for preventing the second support plate 4 from tilting, and the storage battery 9 is electrically connected to the lighting strip 8.

The working principle and the using process of the invention are as follows: when the teaching demonstration device is used, teaching demonstration is carried out through the display board 12, and when light is not good, the power supply of the illuminating lamp strip 8 is switched on, so that the illuminating lamp strip 8 is electrified to emit light, and students can conveniently watch the contents displayed on the display board 12;

when a user needs to lift the height of the limiting frame body 1, the height adjusting piece 32 is driven to extend, the height of the limiting base 31 is lifted at the moment, so that the height of the limiting frame body 1 is correspondingly lifted, in the height lifting process of the limiting base 31, the extrusion plate 36 moves upwards along with the limiting base 31, the third driving piece 35 is extruded through the extrusion plate 36, the telescopic end of the third driving piece 35 is contracted, the telescopic end of the second driving piece 33 extends at the moment, so that the height of the limiting frame body 1 is further lifted, the height of the limiting frame body 1 is doubly lifted, and the height lifting effect of the user on the limiting frame body 1 is obviously improved;

secondly, when third driving piece 35 contracts, the corresponding extension of first driving piece 6, remove to the direction of keeping away from first limiting plate 7 through first driving piece 6 drive spacing driving piece 10, thereby two support slide 54 that make spacing driving piece 10 drive symmetry set up remove to the direction of keeping away from each other, this moment along with the continuous promotion of spacing framework 1 height, the length crescent of the outside roll-off of support slide 54, thereby make the bearing area crescent of four group's spacing supporting mechanism 5 constitutions, effectively avoid presentation device to lead to its focus to shift up easily to take place to empty owing to spacing framework 1's high promotion, thereby show the stability that increases presentation device, realize multiple linkage adjustment effect through simple altitude mixture control, be worth promoting and using.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.